author | Claus Gittinger <cg@exept.de> |
Fri, 06 Dec 2002 11:51:02 +0100 | |
changeset 6920 | ff7892b5b41a |
parent 6859 | 5ef85865e8db |
child 6945 | 9536335d243b |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1993 by Claus Gittinger |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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"{ Package: 'stx:libbasic' }" |
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Object subclass:#GenericException |
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instanceVariableNames:'signal parameter errorString suspendedContext handlerContext |
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rejected originator proceedable handlingException' |
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classVariableNames:'StrictRaising' |
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poolDictionaries:'' |
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category:'Kernel-Exceptions' |
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GenericException class instanceVariableNames:'NotifierString' |
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" |
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No other class instance variables are inherited by this class. |
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" |
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! |
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!GenericException class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1993 by Claus Gittinger |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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! |
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documentation |
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" |
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Note: |
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The instance based Signal framework is being replaced by |
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class based exceptions. |
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I.e. what used to be instances of Signal/QuerySignal is beeing |
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rewritten into subclasses of Exception/Error/Query and Warning. |
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Although the functionality is basically unchanged, the new |
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class based exceptions are easier to instanciate (no need for |
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creation in a classes initialize method), easier to use (no real |
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need for SIgnal-constant accessors) and allow for easier parameter |
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passing (not only a single parameter, but allows for individual |
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exception subclasses to add additional state). |
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GenericException and its subclasses implement the same protocol as Signal. |
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So class based exceptions may be implemented as subclasses of GenericException. |
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Instances of Exception are passed to a Signal handling block as argument. |
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The handler block may perform various actions by sending corresponding messages |
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to the exception object. The following actions are possible: |
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reject - don't handle this signal; |
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another handler will be searched for, |
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upper in the calling hierarchy |
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proceed - return from the Signal>>raise, with nil as value |
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proceedWith:val - same, but return val from Signal>>raise |
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return - return from the Signal>>handle:do:, with nil as value |
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returnWith:val - same, but return val from Signal>>handle:do: |
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(this is also the handlers default, |
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if it falls through; taking the handlerBlocks value |
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as return value) |
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restart - restart the Signal>>handle:do:, after repairing |
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Via the Exception object, the handler can also query the state of execution: |
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where the Signal was raised, where the handler is, the signal which caused |
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the error and the errorString passed when the signal was raised. Also, an optional |
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parameter can be passed - the use is signal specific. |
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[instance variables:] |
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signal <Signal> the signal which caused the exception |
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parameter <Object> a parameter (if any) which was passed when raising |
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the signal (only if raised with #raiseWith:aParameter) |
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errorString <String> an errorString |
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(usually the signals own errorString, but sometimes |
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changed explicitely in #raiseWith:errorString:) |
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suspendedContext <Context> the context in which the raise occured |
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handlerContext <Context> the context of the handler (if any) |
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In case of an unhandled signal raise, Exceptions EmergenyHandler will be evaluated. |
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The default emergeny handler will enter the debugger. |
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For applications, which do not want Debuggers to come up, other handlers are |
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possible. |
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For example, to get the typical C++ behavior, use: |
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Exception emergencyHandler:[:ex | Smalltalk exitWithCoreDump] |
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Raising: |
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two different raising messages are to be used, |
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depending on whether the exception is proceedable or not |
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For some stupid reason, someone decided that the raise-code checks if |
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the raising messages matches to what the signal thinks is its proceedability. |
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(i.e. not only do both the sender and the signal itself specify proceedability, |
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this is checked by the raise code and a warning is generated if there is a mismatch) |
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This used to be even worse (WrongProceedabilityError), but we relaxed this to |
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a message sent to stderr. |
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123 |
|
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124 |
That means, that PROCEEDABLE signals must be raised with: |
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125 |
raiseRequest |
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126 |
and NON-PROCEEDABLE signals must be raised with: |
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127 |
raise |
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128 |
|
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129 |
If you dont know/care as a raiser, you can use |
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130 |
raiseSignal |
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131 |
which checks for proceedability and sends the appropriate message. |
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132 |
(sigh) |
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133 |
|
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134 |
all of the 3 messages above come in various flavours: |
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135 |
raiseXXX - do not pass any additional parameter; |
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136 |
default errorString |
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137 |
|
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138 |
raiseXXXWith: - pass additional parameter; |
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139 |
default errorString |
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140 |
|
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141 |
raiseXXXErrorString: - do not pass any additional parameter; |
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142 |
given errorString |
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143 |
|
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raiseXXXWith:errorString: |
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145 |
- pass any additional parameter; |
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146 |
AND given errorString |
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147 |
|
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148 |
|
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149 |
[see also:] |
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150 |
Signal SignalSet QuerySignal |
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151 |
Context Block |
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152 |
Object DebugView |
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153 |
(``Exception handling and signals'': programming/exceptions.html) |
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154 |
|
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155 |
[author:] |
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156 |
Claus Gittinger |
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157 |
" |
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158 |
! |
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159 |
|
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160 |
examples |
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161 |
" |
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162 |
Examples on Exception-raising & handling are found in the doc/coding |
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163 |
section (CodingExamples). |
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164 |
|
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165 |
The emergencyHandler stuff is very useful, to prevent endUser applications |
4554 | 166 |
from entering the debugger. See the examples in NoHandlerError. |
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167 |
" |
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168 |
! ! |
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169 |
|
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170 |
!GenericException class methodsFor:'initialization'! |
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171 |
|
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172 |
initialize |
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173 |
|
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174 |
NotifierString := 'unknown exception'. |
6598 | 175 |
StrictRaising := false. "set to true to check weather a signal may be raised proceedable" |
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176 |
|
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177 |
"Modified: / 4.8.1999 / 09:06:26 / stefan" |
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178 |
! ! |
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179 |
|
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180 |
!GenericException class methodsFor:'instance creation'! |
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181 |
|
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182 |
signal:aSignal originator:origin |
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183 |
"create a new instance and set the fields in preparation for a raise. |
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184 |
- only to be sent from the signal when raising" |
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185 |
|
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186 |
"{ Pragma: +inlineNew }" |
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187 |
|
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188 |
^ (self basicNew) signal:aSignal originator:origin. |
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189 |
|
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190 |
"Created: / 23.7.1999 / 13:40:45 / stefan" |
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191 |
! |
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192 |
|
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193 |
signal:aSignal parameter:aParameter errorString:aString suspendedContext:sContext originator:origin |
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194 |
"create a new instance and set the fields in preparation for a raise. |
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195 |
- only to be sent from the signal when raising" |
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196 |
|
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197 |
"{ Pragma: +inlineNew }" |
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198 |
|
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199 |
^ (self basicNew) |
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200 |
signal:aSignal |
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201 |
parameter:aParameter |
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202 |
errorString:aString |
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203 |
suspendedContext:sContext |
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204 |
originator:origin. |
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205 |
! ! |
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206 |
|
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207 |
!GenericException class methodsFor:'Compatibility - ANSI'! |
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208 |
|
5697
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raiseSignal / raiseSignal: / raiseSignal:with:
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209 |
raiseSignal:errorMessage |
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210 |
"actually raise an exception (whatever the proceedability is)." |
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raiseSignal / raiseSignal: / raiseSignal:with:
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211 |
|
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212 |
^ self raiseSignal:errorMessage with:nil |
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213 |
! |
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214 |
|
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215 |
raiseSignal:errorMessage with:aParameter |
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216 |
"actually raise an exception (whatever the proceedability is)." |
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217 |
|
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218 |
self mayProceed ifFalse:[ |
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219 |
^ self raiseWith:aParameter errorString:errorMessage |
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220 |
]. |
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221 |
^ self raiseRequestWith:aParameter errorString:errorMessage |
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222 |
! |
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223 |
|
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224 |
signalWith:errorString |
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225 |
self raiseErrorString:errorString |
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226 |
! ! |
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|
227 |
|
6246 | 228 |
!GenericException class methodsFor:'Compatibility - Dolphin'! |
229 |
||
230 |
signal:errorString |
|
6250 | 231 |
"raise a signal proceedable or nonproceedable (whichever is right). |
232 |
The argument is used as errorString." |
|
233 |
||
234 |
<context: #return> |
|
235 |
||
6430
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236 |
^ (self newException |
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237 |
suspendedContext:thisContext sender |
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238 |
errorString:errorString) |
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239 |
raiseSignal. |
6246 | 240 |
! ! |
241 |
||
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242 |
!GenericException class methodsFor:'Signal constants'! |
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243 |
|
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244 |
noHandlerError |
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245 |
|
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246 |
^ NoHandlerError |
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247 |
|
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248 |
"Created: / 4.8.1999 / 08:33:35 / stefan" |
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249 |
! |
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250 |
|
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251 |
proceedError |
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252 |
|
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253 |
^ ProceedError |
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|
254 |
|
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|
255 |
"Created: / 4.8.1999 / 08:34:30 / stefan" |
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|
256 |
! |
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|
257 |
|
4519
fb4904d6787b
Implement RecursiveExceptionError. as class based exception.
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|
258 |
recursiveExceptionError |
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|
259 |
"return the signal used to handle recursive signals in the handlers" |
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|
260 |
|
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|
261 |
^ RecursiveExceptionError |
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|
262 |
|
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parents:
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|
263 |
"Created: / 4.8.1999 / 09:05:06 / stefan" |
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Implement RecursiveExceptionError. as class based exception.
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parents:
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changeset
|
264 |
! |
fb4904d6787b
Implement RecursiveExceptionError. as class based exception.
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parents:
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diff
changeset
|
265 |
|
fb4904d6787b
Implement RecursiveExceptionError. as class based exception.
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parents:
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changeset
|
266 |
recursiveExceptionSignal |
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Implement RecursiveExceptionError. as class based exception.
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parents:
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diff
changeset
|
267 |
"return the signal used to handle recursive signals in the handlers. |
fb4904d6787b
Implement RecursiveExceptionError. as class based exception.
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parents:
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diff
changeset
|
268 |
This is for backward compatinility. Use recursiveExceptionError" |
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Implement RecursiveExceptionError. as class based exception.
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parents:
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changeset
|
269 |
|
fb4904d6787b
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parents:
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|
270 |
^ RecursiveExceptionError |
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Implement RecursiveExceptionError. as class based exception.
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|
271 |
|
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parents:
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|
272 |
"Modified: / 4.8.1999 / 09:05:59 / stefan" |
4517
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|
273 |
! |
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parents:
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|
274 |
|
8c539600fb63
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|
275 |
wrongProceedabilityError |
8c539600fb63
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|
276 |
|
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|
277 |
^ WrongProceedabilityError |
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|
278 |
|
8c539600fb63
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|
279 |
"Created: / 4.8.1999 / 08:34:19 / stefan" |
4481
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|
280 |
! ! |
f3f7e1af7489
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|
281 |
|
4562 | 282 |
!GenericException class methodsFor:'accessing'! |
283 |
||
284 |
notifierString:aString |
|
285 |
||
286 |
NotifierString := aString |
|
287 |
! ! |
|
288 |
||
4481
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diff
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|
289 |
!GenericException class methodsFor:'compatibility - accessing'! |
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|
290 |
|
f3f7e1af7489
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|
291 |
errorString |
4562 | 292 |
"#errorString is deprecated, use description instead" |
4481
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diff
changeset
|
293 |
|
6859
5ef85865e8db
Print exception description with #printOn:
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|
294 |
<resource:#obsolete> |
5ef85865e8db
Print exception description with #printOn:
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|
295 |
|
4562 | 296 |
^ self description |
4481
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|
297 |
! |
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|
298 |
|
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|
299 |
handlerBlock |
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parents:
diff
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|
300 |
"Compatibility with Signal. Class based exeptions do not have a handler |
f3f7e1af7489
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parents:
diff
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|
301 |
block. They redefine the #action method instead" |
f3f7e1af7489
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|
302 |
|
f3f7e1af7489
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parents:
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|
303 |
^ nil |
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parents:
diff
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|
304 |
|
f3f7e1af7489
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parents:
diff
changeset
|
305 |
"Created: / 23.7.1999 / 14:43:18 / stefan" |
f3f7e1af7489
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parents:
diff
changeset
|
306 |
"Modified: / 24.7.1999 / 20:52:10 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
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parents:
diff
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|
307 |
! ! |
f3f7e1af7489
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parents:
diff
changeset
|
308 |
|
4562 | 309 |
!GenericException class methodsFor:'compatibility - defaults'! |
310 |
||
311 |
emergencyHandler |
|
312 |
||
313 |
^ NoHandlerError emergencyHandler. |
|
314 |
! |
|
315 |
||
316 |
emergencyHandler:aOneArgBlock |
|
317 |
"set the handler used for unhandled exceptions. |
|
318 |
The default (a nil-handler) leads to a debugger to be shown." |
|
319 |
||
320 |
^ NoHandlerError emergencyHandler:aOneArgBlock. |
|
321 |
||
322 |
"ST-80 behavior of first showing a notifier: |
|
323 |
(I prefer to get right into the debugger, though) |
|
324 |
||
325 |
Exception |
|
326 |
emergencyHandler: |
|
327 |
[:ex | self errorNotify:ex errorString ] |
|
328 |
" |
|
329 |
||
330 |
"ST-X behavior of going right into the debugger: |
|
331 |
||
332 |
Exception |
|
333 |
emergencyHandler:nil |
|
334 |
" |
|
335 |
||
336 |
"automatically aborting current operation, on error: |
|
337 |
(may be useful for end-user apps; make certain, |
|
338 |
you have abortSignal handlers at appropriate places) |
|
339 |
||
340 |
Exception |
|
341 |
emergencyHandler: |
|
342 |
[:ex | Object abortSignal raise. ex return. ] |
|
343 |
" |
|
344 |
||
345 |
"finally, traditional language system behavior; dump core ;-) |
|
346 |
||
347 |
Exception |
|
348 |
emergencyHandler: |
|
349 |
[:ex | Smalltalk exitWithCoreDump. ] |
|
350 |
" |
|
351 |
||
352 |
"Modified: 15.1.1997 / 20:49:06 / cg" |
|
353 |
||
354 |
! ! |
|
355 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
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parents:
diff
changeset
|
356 |
!GenericException class methodsFor:'compatibility - queries'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
357 |
|
f3f7e1af7489
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parents:
diff
changeset
|
358 |
accepts:aSignal |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
359 |
"return true, if the receiver accepts the argument, aSignal. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
360 |
(i.e. the receiver is aSignal or a parent of it). False otherwise." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
361 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
362 |
|s| |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
363 |
|
4527 | 364 |
self == aSignal ifTrue:[^ true]. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
365 |
aSignal isQuerySignal ifTrue:[^ false]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
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parents:
diff
changeset
|
366 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
367 |
s := aSignal. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
368 |
[s notNil] whileTrue:[ |
4527 | 369 |
self == s ifTrue:[^ true]. |
370 |
s := s parent |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
371 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
372 |
^ false |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
373 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
374 |
"Created: / 23.7.1999 / 14:00:47 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
375 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
376 |
|
4676 | 377 |
exception:anExceptionOrSignal isHandledIn:aContext |
378 |
"return true, if there is a handler for the receiver signal in the |
|
379 |
contextChain starting with aContext." |
|
380 |
||
381 |
|con r| |
|
382 |
||
383 |
con := Context findFirstSpecialHandle:true raise:false. |
|
384 |
[con notNil] whileTrue:[ |
|
385 |
((r := con receiver) notNil |
|
386 |
and:[(r handlerForSignal:anExceptionOrSignal context:con originator:nil) notNil] |
|
387 |
) ifTrue:[ |
|
388 |
"found a handler context" |
|
389 |
^ true |
|
390 |
]. |
|
391 |
con := con findSpecialHandle:true raise:false. |
|
392 |
]. |
|
393 |
^ false |
|
394 |
||
395 |
! |
|
396 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
397 |
handlerForSignal:signal context:theContext originator:originator |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
398 |
"answer the handler block for the signal from originator. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
399 |
The block is retrieved from aContext. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
400 |
Answer nil if the signal is not handled" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
401 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
402 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
403 |
(theContext selector ~~ #'handle:from:do:' |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
404 |
or:[(theContext argAt:2) == originator]) ifTrue:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
405 |
(self == signal or:[self accepts:signal]) ifTrue:[ |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
406 |
^ theContext argAt:1 |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
407 |
] |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
408 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
409 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
410 |
^ nil |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
411 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
412 |
"Created: / 25.7.1999 / 19:52:58 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
413 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
414 |
|
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
415 |
handlerProtectedBlock:doBlock inContext:context |
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
416 |
"set the handlerProtectedBlock in context" |
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
417 |
|
5590 | 418 |
|sel| |
419 |
||
420 |
sel := context selector. |
|
421 |
sel == #handle:do: ifTrue:[ |
|
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
422 |
context argAt:2 put:doBlock. |
5590 | 423 |
] ifFalse:[sel == #handle:from:do: ifTrue:[ |
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
424 |
context argAt:3 put:doBlock. |
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
425 |
]]. |
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
426 |
! |
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
427 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
428 |
handlingExceptionInContext:theContext |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
429 |
"answer the handling exception from aContext." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
430 |
|
5590 | 431 |
|sel| |
432 |
||
433 |
sel := theContext selector. |
|
434 |
(sel == #'handle:from:do:' |
|
435 |
or:[sel == #'handle:do:']) ifTrue:[ |
|
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
436 |
^ theContext receiver |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
437 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
438 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
439 |
^ nil |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
440 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
441 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
442 |
inheritsFrom:anotherSignal |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
443 |
"return true, if the receiver is a child of anotherSignal |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
444 |
(i.e. if handling anotherSignal also handles the receiver) |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
445 |
This is almost the same as accepts, but returns false, if |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
446 |
the receiver is identical to anotherSignal." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
447 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
448 |
self == anotherSignal ifTrue:[^ false]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
449 |
^ anotherSignal accepts:self |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
450 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
451 |
"Created: / 23.7.1999 / 13:59:51 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
452 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
453 |
|
6630
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
454 |
isExceptionCreator |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
455 |
"return true, if the receiver can create exceptions, |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
456 |
this includes #raise, #raiseRequest as well as the behavior of |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
457 |
an exception handler, such as the #accepts: and #handles: messages" |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
458 |
|
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
459 |
^ true |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
460 |
! |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
461 |
|
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
462 |
isExceptionHandler |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
463 |
"return true, if the receiver responds to the exception handler protocol, |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
464 |
especially to the #accepts: and #handles: messages" |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
465 |
^ true |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
466 |
|
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
467 |
"Created: / 23.7.1999 / 13:49:59 / stefan" |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
468 |
! |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
469 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
470 |
isHandled |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
471 |
"return true, if there is a handler for the receiver signal. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
472 |
Raising an unhandled signal will usually lead into the debugger, |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
473 |
but can be caught globally by setting Exceptions EmergencyHandler." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
474 |
|
4676 | 475 |
^ self exception:self isHandledIn:(thisContext sender). |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
476 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
477 |
"Created: / 23.7.1999 / 14:03:50 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
478 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
479 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
480 |
isHandledIn:aContext |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
481 |
"return true, if there is a handler for the receiver signal in the |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
482 |
contextChain starting with aContext." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
483 |
|
4676 | 484 |
^ self exception:self isHandledIn:aContext |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
485 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
486 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
487 |
isQuerySignal |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
488 |
"return true, if this is a querySignal - always return false here" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
489 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
490 |
^ false |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
491 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
492 |
"Created: / 23.7.1999 / 13:50:16 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
493 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
494 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
495 |
mayProceed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
496 |
"return true, if the exception handler is allowed to proceed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
497 |
the execution where the exception occured. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
498 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
499 |
Subclasses may redefine this." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
500 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
501 |
^ true |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
502 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
503 |
"Modified: / 23.7.1999 / 14:50:11 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
504 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
505 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
506 |
parent |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
507 |
"return the parent Signal/Exception of myself. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
508 |
Subclasses may redefine this to install themself as child of |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
509 |
existing Signals." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
510 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
511 |
self == GenericException ifTrue:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
512 |
^ nil |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
513 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
514 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
515 |
^ self superclass |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
516 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
517 |
"Created: / 23.7.1999 / 14:01:29 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
518 |
"Modified: / 23.7.1999 / 16:15:38 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
519 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
520 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
521 |
!GenericException class methodsFor:'compatibility - raising'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
522 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
523 |
new |
4496 | 524 |
"{ Pragma: +inlineNew }" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
525 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
526 |
^ self basicNew signal:self. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
527 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
528 |
"Modified: / 23.7.1999 / 13:53:12 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
529 |
"Created: / 24.7.1999 / 13:21:13 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
530 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
531 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
532 |
newException |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
533 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
534 |
^ self new |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
535 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
536 |
"Created: / 23.7.1999 / 13:45:49 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
537 |
"Modified: / 24.7.1999 / 13:21:25 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
538 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
539 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
540 |
newExceptionFrom:originator |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
541 |
"answer a new exception object for this signal. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
542 |
Set the originator. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
543 |
Subclasses may redefine this method" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
544 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
545 |
^ self new originator:originator |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
546 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
547 |
"Created: / 23.7.1999 / 13:47:07 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
548 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
549 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
550 |
raise |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
551 |
"raise a signal nonproceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
552 |
The signals notifierString is used as errorString." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
553 |
|
4556 | 554 |
<context: #return> |
555 |
||
4538
25c5124b8c79
minidebugger entry protocol changed;
Claus Gittinger <cg@exept.de>
parents:
4533
diff
changeset
|
556 |
^ self newException |
25c5124b8c79
minidebugger entry protocol changed;
Claus Gittinger <cg@exept.de>
parents:
4533
diff
changeset
|
557 |
suspendedContext:thisContext sender; |
25c5124b8c79
minidebugger entry protocol changed;
Claus Gittinger <cg@exept.de>
parents:
4533
diff
changeset
|
558 |
raise |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
559 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
560 |
"Modified: / 2.5.1996 / 16:36:23 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
561 |
"Modified: / 5.3.1998 / 16:44:36 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
562 |
"Created: / 23.7.1999 / 14:07:17 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
563 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
564 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
565 |
raiseErrorString:aString |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
566 |
"raise a signal nonproceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
567 |
The argument is used as errorString." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
568 |
|
4556 | 569 |
<context: #return> |
570 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
571 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
572 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
573 |
errorString:aString) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
574 |
raise. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
575 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
576 |
"Modified: / 9.5.1996 / 15:17:59 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
577 |
"Modified: / 12.3.1998 / 15:15:22 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
578 |
"Created: / 23.7.1999 / 14:07:33 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
579 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
580 |
|
5684 | 581 |
raiseErrorString:aString in:aContext |
582 |
"raise a signal nonproceedable. |
|
583 |
The argument is used as errorString." |
|
584 |
||
585 |
<context: #return> |
|
586 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
587 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
588 |
suspendedContext:aContext |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
589 |
errorString:aString) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
590 |
raise. |
5684 | 591 |
|
592 |
"Modified: / 9.5.1996 / 15:17:59 / cg" |
|
593 |
"Modified: / 12.3.1998 / 15:15:22 / stefan" |
|
594 |
"Created: / 23.7.1999 / 14:07:33 / stefan" |
|
595 |
! |
|
596 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
597 |
raiseFrom:something |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
598 |
"raise a signal nonproceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
599 |
The argument, something is passed both as parameter and originator." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
600 |
|
4556 | 601 |
<context: #return> |
602 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
603 |
^ ((self newExceptionFrom:something) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
604 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
605 |
parameter:something) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
606 |
raise |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
607 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
608 |
"Modified: / 2.5.1996 / 16:36:38 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
609 |
"Modified: / 5.3.1998 / 16:49:55 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
610 |
"Created: / 23.7.1999 / 14:07:59 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
611 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
612 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
613 |
raiseRequest |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
614 |
"raise a signal proceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
615 |
The signals notifierString is used as errorString." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
616 |
|
4556 | 617 |
<context: #return> |
618 |
||
619 |
^ self newException |
|
620 |
suspendedContext:thisContext sender; |
|
621 |
raiseRequest. |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
622 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
623 |
"Modified: / 2.5.1996 / 16:36:52 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
624 |
"Modified: / 5.3.1998 / 16:50:46 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
625 |
"Created: / 23.7.1999 / 14:08:24 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
626 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
627 |
|
4758
91b5a25f29c5
added #raiseRequestErrorString
Claus Gittinger <cg@exept.de>
parents:
4676
diff
changeset
|
628 |
raiseRequestErrorString:aString |
91b5a25f29c5
added #raiseRequestErrorString
Claus Gittinger <cg@exept.de>
parents:
4676
diff
changeset
|
629 |
"raise a signal proceedable. |
91b5a25f29c5
added #raiseRequestErrorString
Claus Gittinger <cg@exept.de>
parents:
4676
diff
changeset
|
630 |
The argument, aString is used as errorString." |
91b5a25f29c5
added #raiseRequestErrorString
Claus Gittinger <cg@exept.de>
parents:
4676
diff
changeset
|
631 |
|
91b5a25f29c5
added #raiseRequestErrorString
Claus Gittinger <cg@exept.de>
parents:
4676
diff
changeset
|
632 |
<context: #return> |
91b5a25f29c5
added #raiseRequestErrorString
Claus Gittinger <cg@exept.de>
parents:
4676
diff
changeset
|
633 |
|
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
634 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
635 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
636 |
errorString:aString) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
637 |
raiseRequest |
4758
91b5a25f29c5
added #raiseRequestErrorString
Claus Gittinger <cg@exept.de>
parents:
4676
diff
changeset
|
638 |
! |
91b5a25f29c5
added #raiseRequestErrorString
Claus Gittinger <cg@exept.de>
parents:
4676
diff
changeset
|
639 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
640 |
raiseRequestFrom:something |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
641 |
"raise a signal proceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
642 |
The argument, something is passed both as parameter and originator." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
643 |
|
4556 | 644 |
<context: #return> |
645 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
646 |
^ ((self newExceptionFrom:something) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
647 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
648 |
parameter:something) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
649 |
raiseRequest. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
650 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
651 |
"Modified: / 2.5.1996 / 16:36:38 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
652 |
"Modified: / 5.3.1998 / 16:52:46 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
653 |
"Created: / 23.7.1999 / 14:08:36 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
654 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
655 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
656 |
raiseRequestWith:aParameter |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
657 |
"raise a signal proceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
658 |
The signals notifierString is used as errorString." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
659 |
|
4556 | 660 |
<context: #return> |
661 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
662 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
663 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
664 |
parameter:aParameter) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
665 |
raiseRequest. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
666 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
667 |
"Modified: / 9.5.1996 / 15:13:20 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
668 |
"Modified: / 12.3.1998 / 15:16:57 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
669 |
"Created: / 23.7.1999 / 14:08:48 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
670 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
671 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
672 |
raiseRequestWith:aParameter errorString:aString |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
673 |
"raise a signal proceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
674 |
The argument, aString is used as errorString." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
675 |
|
4556 | 676 |
<context: #return> |
677 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
678 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
679 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
680 |
parameter:aParameter |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
681 |
errorString:aString) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
682 |
raiseRequest |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
683 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
684 |
"Modified: / 9.5.1996 / 15:13:35 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
685 |
"Modified: / 12.3.1998 / 15:17:52 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
686 |
"Created: / 23.7.1999 / 14:08:57 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
687 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
688 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
689 |
raiseRequestWith:aParameter errorString:aString in:aContext |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
690 |
"raise a signal proceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
691 |
The argument, aString is used as errorString. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
692 |
The additional context is passed as the context responsible for the raise, |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
693 |
allowing a raise to mimicri the exception happened somewhere else." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
694 |
|
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
695 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
696 |
suspendedContext:aContext |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
697 |
parameter:aParameter |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
698 |
errorString:aString) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
699 |
raiseRequest |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
700 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
701 |
"Modified: / 26.7.1996 / 16:29:27 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
702 |
"Modified: / 12.3.1998 / 15:18:34 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
703 |
"Created: / 23.7.1999 / 14:09:07 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
704 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
705 |
|
5259 | 706 |
raiseRequestWith:aParameter in:aContext |
707 |
"raise a signal proceedable. |
|
708 |
The additional context is passed as the context responsible for the raise, |
|
709 |
allowing a raise to mimicri the exception happened somewhere else." |
|
710 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
711 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
712 |
suspendedContext:aContext |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
713 |
parameter:aParameter) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
714 |
raiseRequest |
5259 | 715 |
! |
716 |
||
6174 | 717 |
raiseSignal |
718 |
"raise a signal (proceedable or not, whatever the proceedability is). |
|
719 |
The signals notifierString is used as errorString." |
|
720 |
||
721 |
<context: #return> |
|
722 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
723 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
724 |
suspendedContext:thisContext sender) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
725 |
raiseSignal |
6174 | 726 |
|
727 |
"Modified: / 10.11.2001 / 15:13:34 / cg" |
|
728 |
! |
|
729 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
730 |
raiseSignalErrorString:aString |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
731 |
"raise a signal (proceedable or not, whatever the proceedability is). |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
732 |
The argument, aString is used as errorString." |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
733 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
734 |
<context: #return> |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
735 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
736 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
737 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
738 |
errorString:aString) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
739 |
raiseSignal. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
740 |
! |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
741 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
742 |
raiseSignalWith:aParameter |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
743 |
"raise a signal (proceedable or not, whatever the proceedability is). |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
744 |
The argument, aParameter is passed as parameter." |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
745 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
746 |
<context: #return> |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
747 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
748 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
749 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
750 |
parameter:aParameter) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
751 |
raiseSignal. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
752 |
! |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
753 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
754 |
raiseSignalWith:aParameter errorString:aString |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
755 |
"raise a signal (proceedable or not, whatever the proceedability is). |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
756 |
The argument, aString is used as errorString, |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
757 |
aParameter is passed as exception parameter." |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
758 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
759 |
<context: #return> |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
760 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
761 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
762 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
763 |
parameter:aParameter |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
764 |
errorString:aString) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
765 |
raiseSignal. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
766 |
! |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
767 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
768 |
raiseWith:aParameter |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
769 |
"raise a signal nonproceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
770 |
The argument, aParameter is passed as parameter." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
771 |
|
4556 | 772 |
<context: #return> |
773 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
774 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
775 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
776 |
parameter:aParameter) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
777 |
raise. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
778 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
779 |
"Modified: / 9.5.1996 / 15:14:24 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
780 |
"Modified: / 12.3.1998 / 15:19:11 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
781 |
"Created: / 23.7.1999 / 14:09:27 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
782 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
783 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
784 |
raiseWith:aParameter errorString:aString |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
785 |
"raise a signal nonproceedable. |
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
786 |
The argument, aString is used as errorString, |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
787 |
aParameter is passed as exception parameter." |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
788 |
|
4556 | 789 |
<context: #return> |
790 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
791 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
792 |
suspendedContext:thisContext sender |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
793 |
parameter:aParameter |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
794 |
errorString:aString) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
795 |
raise. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
796 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
797 |
"Modified: / 9.5.1996 / 15:14:32 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
798 |
"Modified: / 12.3.1998 / 15:19:40 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
799 |
"Created: / 23.7.1999 / 14:09:36 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
800 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
801 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
802 |
raiseWith:aParameter errorString:aString in:aContext |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
803 |
"raise a signal nonproceedable. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
804 |
The argument, aString is used as errorString, aParameter is passed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
805 |
as exception parameter. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
806 |
The additional context is passed as the context responsible for the raise, |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
807 |
allowing a raise to mimicri the exception happened somewhere else." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
808 |
|
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
809 |
^ (self newException |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
810 |
suspendedContext:aContext |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
811 |
parameter:aParameter |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
812 |
errorString:aString) |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
813 |
raise. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
814 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
815 |
"Modified: / 26.7.1996 / 16:29:42 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
816 |
"Modified: / 12.3.1998 / 15:20:12 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
817 |
"Created: / 23.7.1999 / 14:09:46 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
818 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
819 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
820 |
!GenericException class methodsFor:'compatibility - save evaluation'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
821 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
822 |
catch:aBlock |
4496 | 823 |
"evaluate the argument, aBlock. |
824 |
If the receiver-signal is raised during evaluation, abort |
|
825 |
the evaluation and return true; otherwise return false. |
|
826 |
This is the catch & throw mechanism found in other languages, |
|
827 |
where the returned value indicates if an exception occured." |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
828 |
|
4496 | 829 |
|raiseOccurred| |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
830 |
|
4496 | 831 |
raiseOccurred := false. |
832 |
self handle:[:ex | raiseOccurred := true. ex return] do:aBlock. |
|
833 |
^ raiseOccurred |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
834 |
|
4496 | 835 |
" |
836 |
Object messageNotUnderstoodSignal catch:[ |
|
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
837 |
123 size open |
6426 | 838 |
] |
4496 | 839 |
" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
840 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
841 |
"Created: / 23.7.1999 / 14:06:01 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
842 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
843 |
|
6396
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
844 |
deferAfter:aBlock |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
845 |
"evaluate the argument, aBlock. |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
846 |
Ignore the receiver-signal during evaluation - i.e. simply continue, |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
847 |
but remember if the signal was raised. |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
848 |
After the block evaluation, finally raise the signal - if it was raised in the block. |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
849 |
If the signal is raised multiple times, only the first raises parameter is remembered, |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
850 |
and only a single raise is performed after the blocks evaluation. |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
851 |
|
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
852 |
Deferring makes sense for some signals, such as UserInterrupt or AbortSignal, |
6426 | 853 |
which must occasionally be delayed temporarily until a save place is reached |
6396
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
854 |
(especially when packages are sent across a communication channel, and you dont want |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
855 |
partial packages to be generated by user interruptions)." |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
856 |
|
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
857 |
|coughtException result| |
6396
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
858 |
|
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
859 |
self handle:[:ex | |
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
860 |
coughtException isNil ifTrue:[ |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
861 |
coughtException := ex. |
6396
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
862 |
]. |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
863 |
ex proceedWith:nil |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
864 |
] do:[ |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
865 |
result := aBlock value. |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
866 |
]. |
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
867 |
coughtException notNil ifTrue:[ |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
868 |
coughtException suspendedContext:thisContext. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
869 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
870 |
"/ the exception was raised during the execution of aBlock above. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
871 |
"/ Raise it now (delayed). |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
872 |
coughtException raiseSignal |
6396
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
873 |
]. |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
874 |
^ result |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
875 |
|
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
876 |
" |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
877 |
UserInterrupt deferAfter:[ |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
878 |
Transcript showCR:'1 - now raising, but will be deferred.'. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
879 |
UserInterrupt raiseRequestWith:'hello'. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
880 |
Transcript showCR:'2 - after the raise, deferred exception will be handled soon.'. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
881 |
]. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
882 |
Transcript showCR:'3 - here after the protected block.'. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
883 |
" |
6396
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
884 |
! |
74d5b0b588a6
added deferAfter: - defer exceptions until some later time
Claus Gittinger <cg@exept.de>
parents:
6364
diff
changeset
|
885 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
886 |
handle:handleBlock do:aBlock |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
887 |
"evaluate the argument, aBlock. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
888 |
If the receiver-signal is raised during evaluation, |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
889 |
evaluate the handleBlock passing it an Exception argument. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
890 |
The handler may decide how to react to the signal by sending |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
891 |
a corresponding message to the exception (see there). |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
892 |
If the signal is not raised, return the value of evaluating |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
893 |
aBlock." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
894 |
|
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
895 |
<context: #return> |
4488
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
896 |
<exception: #handle> |
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
897 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
898 |
"/ thisContext markForHandle. -- same as above pragma |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
899 |
^ aBlock value "the real logic is in Exception>>doRaise" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
900 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
901 |
" |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
902 |
Object messageNotUnderstoodSignal handle:[:ex | |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
903 |
'oops' printNL. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
904 |
ex return |
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
905 |
] do:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
906 |
123 size open |
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
907 |
] |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
908 |
" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
909 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
910 |
" |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
911 |
|num| |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
912 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
913 |
num := 0. |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
914 |
Number divisionByZeroSignal handle:[:ex | |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
915 |
'oops' printNL. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
916 |
ex return |
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
917 |
] do:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
918 |
123 / num |
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
919 |
] |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
920 |
" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
921 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
922 |
"Created: / 23.7.1999 / 14:06:13 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
923 |
"Modified: / 25.7.1999 / 19:44:05 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
924 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
925 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
926 |
handle:handleBlock from:anObject do:aBlock |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
927 |
"evaluate the argument, aBlock. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
928 |
If the receiver-signal is raised during evaluation, |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
929 |
and the exception originated from anObject, |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
930 |
evaluate the handleBlock passing it an Exception argument. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
931 |
The handler may decide how to react to the signal by sending |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
932 |
a corresponding message to the exception (see there). |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
933 |
If the signal is not raised, return the value of evaluating |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
934 |
aBlock." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
935 |
|
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
936 |
<context: #return> |
4488
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
937 |
<exception: #handle> |
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
938 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
939 |
"/ thisContext markForHandle. -- same as above pragma |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
940 |
^ aBlock value "the real logic is in Exception>>doRaise" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
941 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
942 |
" |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
943 |
the first open will be caught; the second not: |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
944 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
945 |
|o1 o2| |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
946 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
947 |
o1 := 123. |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
948 |
o2 := nil. |
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
949 |
Object messageNotUnderstoodSignal |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
950 |
handle: |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
951 |
[:ex | |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
952 |
'oops' printNL. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
953 |
ex proceed |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
954 |
] |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
955 |
from:o1 |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
956 |
do: |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
957 |
[ |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
958 |
o1 open. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
959 |
o2 open |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
960 |
] |
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
961 |
" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
962 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
963 |
"Created: / 23.7.1999 / 14:06:26 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
964 |
"Modified: / 25.7.1999 / 19:44:13 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
965 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
966 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
967 |
ignoreIn:aBlock |
4496 | 968 |
"evaluate the argument, aBlock. |
6426 | 969 |
Ignore the receiver-signal during evaluation - i.e. simply continue. |
4496 | 970 |
This makes only sense for some signals, such as UserInterrupt |
971 |
or AbortSignal, because continuing after an exception without any cleanup |
|
972 |
often leads to followup-errors." |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
973 |
|
4496 | 974 |
^ self handle:[:ex | ex proceedWith:nil] do:aBlock. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
975 |
|
4496 | 976 |
" |
977 |
Object messageNotUnderstoodSignal ignoreIn:[ |
|
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
978 |
123 size open |
4496 | 979 |
] |
980 |
" |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
981 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
982 |
"Created: / 23.7.1999 / 14:06:40 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
983 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
984 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
985 |
!GenericException class methodsFor:'compatibility - signal creation'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
986 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
987 |
newSignal |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
988 |
"create a new signal, using the receiver as a prototype and |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
989 |
setting the parent of the new signal to the receiver." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
990 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
991 |
^ self newSignalMayProceed:self mayProceed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
992 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
993 |
"Created: / 23.7.1999 / 20:13:23 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
994 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
995 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
996 |
newSignalMayProceed:proceed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
997 |
"create a new signal, using the receiver as a prototype and |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
998 |
setting the parent of the new signal to the receiver." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
999 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1000 |
^ (Signal basicNew) mayProceed:proceed; |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1001 |
notifierString:NotifierString; |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1002 |
parent:self |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1003 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1004 |
"Created: / 23.7.1999 / 20:12:43 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1005 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1006 |
|
5837
f5510a4c6f75
Add signals to SignalSets with #,
Stefan Vogel <sv@exept.de>
parents:
5697
diff
changeset
|
1007 |
!GenericException class methodsFor:'converting'! |
f5510a4c6f75
Add signals to SignalSets with #,
Stefan Vogel <sv@exept.de>
parents:
5697
diff
changeset
|
1008 |
|
f5510a4c6f75
Add signals to SignalSets with #,
Stefan Vogel <sv@exept.de>
parents:
5697
diff
changeset
|
1009 |
, anException |
f5510a4c6f75
Add signals to SignalSets with #,
Stefan Vogel <sv@exept.de>
parents:
5697
diff
changeset
|
1010 |
"return a SignalSet with myself and anException" |
f5510a4c6f75
Add signals to SignalSets with #,
Stefan Vogel <sv@exept.de>
parents:
5697
diff
changeset
|
1011 |
|
f5510a4c6f75
Add signals to SignalSets with #,
Stefan Vogel <sv@exept.de>
parents:
5697
diff
changeset
|
1012 |
^ SignalSet with:self with:anException |
f5510a4c6f75
Add signals to SignalSets with #,
Stefan Vogel <sv@exept.de>
parents:
5697
diff
changeset
|
1013 |
! ! |
f5510a4c6f75
Add signals to SignalSets with #,
Stefan Vogel <sv@exept.de>
parents:
5697
diff
changeset
|
1014 |
|
4562 | 1015 |
!GenericException class methodsFor:'printing'! |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1016 |
|
4562 | 1017 |
description |
1018 |
"return the notifier string. |
|
1019 |
If the notifier string starts with space, prepend |
|
1020 |
the parents notifier string. |
|
1021 |
Subclasses may redefine this method." |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1022 |
|
5927
6239b98251a6
avoid recursive error in #description if parent is nil
Claus Gittinger <cg@exept.de>
parents:
5867
diff
changeset
|
1023 |
|parent| |
6239b98251a6
avoid recursive error in #description if parent is nil
Claus Gittinger <cg@exept.de>
parents:
5867
diff
changeset
|
1024 |
|
4562 | 1025 |
NotifierString isNil ifTrue:[ |
1026 |
^ self name asString |
|
4606 | 1027 |
]. |
1028 |
(NotifierString startsWith:Character space) ifTrue:[ |
|
5927
6239b98251a6
avoid recursive error in #description if parent is nil
Claus Gittinger <cg@exept.de>
parents:
5867
diff
changeset
|
1029 |
(parent := self parent) notNil ifTrue:[ |
6239b98251a6
avoid recursive error in #description if parent is nil
Claus Gittinger <cg@exept.de>
parents:
5867
diff
changeset
|
1030 |
^ parent description, NotifierString |
6239b98251a6
avoid recursive error in #description if parent is nil
Claus Gittinger <cg@exept.de>
parents:
5867
diff
changeset
|
1031 |
]. |
4606 | 1032 |
]. |
1033 |
^ NotifierString |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1034 |
|
4562 | 1035 |
" |
4606 | 1036 |
Object errorSignal description |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1037 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1038 |
|
4562 | 1039 |
"Created: / 23.7.1999 / 14:22:25 / stefan" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1040 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1041 |
|
6200 | 1042 |
!GenericException class methodsFor:'queries'! |
1043 |
||
1044 |
isControlInterrupt |
|
1045 |
^ false |
|
1046 |
||
1047 |
"Created: / 16.11.2001 / 16:11:54 / cg" |
|
1048 |
! ! |
|
1049 |
||
4936 | 1050 |
!GenericException class methodsFor:'useful handlers'! |
1051 |
||
1052 |
abortingEmergencyHandler |
|
1053 |
"return a block (usable as an emergency handler), |
|
1054 |
which aborts after showing a warnBox. |
|
1055 |
This is useful for endUser applications. |
|
1056 |
||
1057 |
WARNING: this method belongs to NoHandlerError, and may eventually be |
|
1058 |
moved there - it is (for now) left here for backward compatibility." |
|
1059 |
||
5295 | 1060 |
^ [:ex | self warn:'Error: ' , ex description. |
4936 | 1061 |
AbortSignal raise |
1062 |
] |
|
1063 |
||
1064 |
"test with (try a few halts or CTRL-C's): |
|
1065 |
NoHandlerError emergencyHandler:(NoHandlerError abortingEmergencyHandler) |
|
1066 |
" |
|
1067 |
||
1068 |
"back with: |
|
1069 |
NoHandlerError emergencyHandler:(NoHandlerError notifyingEmergencyHandler) |
|
1070 |
NoHandlerError emergencyHandler:nil |
|
1071 |
" |
|
1072 |
||
1073 |
"Created: 15.1.1997 / 20:13:06 / cg" |
|
1074 |
"Modified: 15.1.1997 / 20:15:02 / cg" |
|
1075 |
! |
|
1076 |
||
1077 |
dumpingEmergencyHandler |
|
1078 |
"return a block (usable as an emergency handler), |
|
1079 |
which dumps the stackBacktrace to a trace file and |
|
1080 |
aborts after showing a warnBox. |
|
1081 |
This is useful, for endUser application, which are still being |
|
1082 |
debugged (i.e. the programmers may have a look at the traceFile |
|
1083 |
from time to time). |
|
1084 |
||
1085 |
Notice: |
|
1086 |
The code below is just an example; you may want to change the |
|
1087 |
name of the error-file in your application |
|
1088 |
(but please: copy the code; do not modify here) |
|
1089 |
||
1090 |
WARNING: this method belongs to NoHandlerError, and may eventually be |
|
1091 |
moved there - it is (for now) left here for backward compatibility." |
|
1092 |
||
1093 |
^ [:ex | |
|
1094 |
|str printedException| |
|
1095 |
||
1096 |
ex signal == NoHandlerError ifTrue:[ |
|
1097 |
printedException := ex parameter. |
|
1098 |
] ifFalse:[ |
|
1099 |
printedException := ex |
|
1100 |
]. |
|
1101 |
||
1102 |
"/ user interruption is handled specially: |
|
1103 |
"/ allow user to choose between proceeding or aborting |
|
1104 |
"/ but never dump that information to the file. |
|
1105 |
||
1106 |
printedException signal == Object userInterruptSignal ifTrue:[ |
|
1107 |
(self confirm:'abort current action ?') ifTrue:[ |
|
1108 |
AbortSignal raise |
|
1109 |
]. |
|
1110 |
ex proceedWith:nil |
|
1111 |
]. |
|
1112 |
||
1113 |
"/ |
|
1114 |
"/ dump it to 'errorTrace.stx' |
|
1115 |
"/ |
|
1116 |
str := 'errorTrace.stx' asFilename appendingWriteStream. |
|
1117 |
||
1118 |
str nextPutLine:('******************************* ' |
|
1119 |
, AbsoluteTime now printString |
|
1120 |
, ' *******************************'). |
|
1121 |
str cr. |
|
1122 |
||
5295 | 1123 |
str nextPutLine:('** Error: ' , printedException description). |
4936 | 1124 |
str nextPutLine:('** Signal: ' , printedException signal printString). |
1125 |
str nextPutLine:('** Parameter: ' , printedException parameter printString). |
|
1126 |
str nextPutLine:('** Process: ' , Processor activeProcess printString). |
|
1127 |
str nextPutLine:('** Backtrace:'). |
|
1128 |
str cr. |
|
1129 |
||
1130 |
printedException suspendedContext fullPrintAllOn:str. |
|
1131 |
str cr. |
|
1132 |
str cr. |
|
1133 |
str close. |
|
1134 |
||
1135 |
"/ send a line to stdErr |
|
1136 |
||
5295 | 1137 |
('[warning]: ignored error: ' , printedException description) errorPrintCR. |
4936 | 1138 |
('[warning]: error information appended to ''errorTrace.stx''') errorPrintCR. |
1139 |
||
1140 |
AbortSignal raise |
|
1141 |
] |
|
1142 |
||
1143 |
"test with (try a few halts or CTRL-C's): |
|
1144 |
NoHandlerError emergencyHandler:(NoHandlerError dumpingEmergencyHandler) |
|
1145 |
" |
|
1146 |
||
1147 |
"back with: |
|
1148 |
NoHandlerError emergencyHandler:(NoHandlerError notifyingEmergencyHandler) |
|
1149 |
NoHandlerError emergencyHandler:nil |
|
1150 |
" |
|
1151 |
||
1152 |
"Created: / 15.1.1997 / 20:14:52 / cg" |
|
1153 |
"Modified: / 24.1.1997 / 20:36:21 / cg" |
|
1154 |
"Modified: / 4.8.1999 / 08:11:20 / stefan" |
|
1155 |
! |
|
1156 |
||
1157 |
mailingEmergencyHandler |
|
1158 |
"return a block (usable as an emergency handler), |
|
1159 |
which shows a warnBox and optionally mails a stackBacktrace to a maintainer. |
|
1160 |
This is useful, for endUser application, which are still being |
|
1161 |
debugged (i.e. the programmers may have a look at the errors). |
|
1162 |
||
1163 |
Notice: the stuff here is a demonstration only; it should be modified |
|
1164 |
for your particular environment ... |
|
1165 |
... but please: copy the code and modify there; |
|
1166 |
leave the stuff below as it is. |
|
1167 |
||
1168 |
WARNING: this method belongs to NoHandlerError, and may eventually be |
|
1169 |
moved there - it is (for now) left here for backward compatibility." |
|
1170 |
||
1171 |
^ [:ex | |
|
1172 |
|str printedException doMail emergencyMailReceiver pipe| |
|
1173 |
||
1174 |
ex signal == NoHandlerError ifTrue:[ |
|
1175 |
printedException := ex parameter. |
|
1176 |
] ifFalse:[ |
|
1177 |
printedException := ex |
|
1178 |
]. |
|
1179 |
||
1180 |
"/ user interruption is handled specially: |
|
1181 |
"/ allow user to choose between proceeding or aborting |
|
1182 |
"/ but never dump that information to the file. |
|
1183 |
||
1184 |
printedException signal == Object userInterruptSignal ifTrue:[ |
|
1185 |
(self confirm:'abort current action ?') ifTrue:[ |
|
1186 |
AbortSignal raise |
|
1187 |
]. |
|
1188 |
ex proceedWith:nil |
|
1189 |
]. |
|
1190 |
||
1191 |
"/ somehow get the name of the guy to receive the mail |
|
1192 |
"/ you have to implement that yourself. |
|
1193 |
||
1194 |
"/ emergencyMailReceiver := OneOfYourClass getEmergencyMailReceiver. |
|
1195 |
emergencyMailReceiver := OperatingSystem getLoginName. |
|
1196 |
||
1197 |
emergencyMailReceiver isNil ifTrue:[ |
|
5295 | 1198 |
self warn:(printedException description |
4936 | 1199 |
, '\\No mailing to service people possible.') withCRs. |
1200 |
doMail := false. |
|
1201 |
] ifFalse:[ |
|
5295 | 1202 |
doMail := self confirm:(printedException description |
4936 | 1203 |
, '\\Mail error information to the service people (' |
1204 |
, emergencyMailReceiver , ') ?') withCRs |
|
1205 |
]. |
|
1206 |
doMail ifTrue:[ |
|
1207 |
str := '' writeStream. |
|
1208 |
||
1209 |
str nextPutLine:('Error notification from ' |
|
1210 |
, OperatingSystem getLoginName |
|
1211 |
, '@' |
|
1212 |
, OperatingSystem getHostName). |
|
1213 |
str cr. |
|
1214 |
||
1215 |
str nextPutLine:('Time: ' , AbsoluteTime now printString). |
|
5295 | 1216 |
str nextPutLine:('Error: ', printedException description). |
4936 | 1217 |
str nextPutLine:('Signal: ', printedException signal printString). |
1218 |
str nextPutLine:('Parameter: ', printedException parameter printString). |
|
1219 |
str nextPutLine:('Process: ', Processor activeProcess printString). |
|
1220 |
str nextPutLine:'Backtrace:'. |
|
1221 |
str cr. |
|
1222 |
||
1223 |
printedException suspendedContext fullPrintAllOn:str. |
|
1224 |
str cr;cr. |
|
1225 |
||
1226 |
str close. |
|
1227 |
||
1228 |
pipe := PipeStream |
|
1229 |
writingTo:'mail ', emergencyMailReceiver. |
|
1230 |
pipe notNil ifTrue:[ |
|
1231 |
pipe nextPutLine:'Subject: automatic error report'. |
|
1232 |
pipe nextPutAll:str contents. |
|
1233 |
pipe cr. |
|
1234 |
pipe close. |
|
1235 |
] |
|
1236 |
]. |
|
1237 |
||
1238 |
AbortSignal raise |
|
1239 |
] |
|
1240 |
||
1241 |
"test with (try a few halts or CTRL-C's): |
|
6581 | 1242 |
NoHandlerError emergencyHandler:(NoHandlerError mailingEmergencyHandler) |
4936 | 1243 |
" |
1244 |
||
1245 |
"back with: |
|
6581 | 1246 |
NoHandlerError emergencyHandler:(NoHandlerError notifyingEmergencyHandler) |
4936 | 1247 |
NoHandlerError emergencyHandler:nil |
1248 |
" |
|
1249 |
||
1250 |
"Created: / 15.1.1997 / 20:14:52 / cg" |
|
1251 |
"Modified: / 15.1.1997 / 21:10:28 / cg" |
|
1252 |
"Modified: / 4.8.1999 / 08:11:26 / stefan" |
|
1253 |
! |
|
1254 |
||
1255 |
notifyingEmergencyHandler |
|
1256 |
"return a block (usable as an emergency handler for exceptions), |
|
1257 |
which does errorNotification before going into the debugger. |
|
6198
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1258 |
Halts and breakpoints go directly into the debugger (without asking) |
4936 | 1259 |
|
1260 |
WARNING: this method belongs to NoHandlerError, and may eventually be |
|
1261 |
moved there - it is (for now) left here for backward compatibility." |
|
1262 |
||
6198
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1263 |
^ [:ex | |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1264 |
(ex signal == NoHandlerError |
6581 | 1265 |
and:[ex parameter signal inheritsFrom:ControlInterrupt]) ifTrue:[ |
6198
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1266 |
"/ go directly into the debugger ... |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1267 |
Debugger |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1268 |
enter:ex suspendedContext |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1269 |
withMessage:ex description |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1270 |
mayProceed:true |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1271 |
] ifFalse:[ |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1272 |
"/ ask, and maybe go into the debugger ... |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1273 |
nil |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1274 |
errorNotify:ex description |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1275 |
from:ex suspendedContext |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1276 |
allowDebug:true |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1277 |
] |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1278 |
] |
4936 | 1279 |
|
6581 | 1280 |
"test with (NOTE: halt, breakpoints or CTRL-C's still go straight into the debugger): |
1281 |
NoHandlerError emergencyHandler:(NoHandlerError notifyingEmergencyHandler). |
|
1282 |
Object bla. |
|
4936 | 1283 |
" |
1284 |
||
1285 |
"back with: |
|
1286 |
NoHandlerError emergencyHandler:nil |
|
1287 |
" |
|
1288 |
||
6198
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1289 |
"Modified: / 16.11.2001 / 16:07:05 / cg" |
5058
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1290 |
! |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1291 |
|
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1292 |
notifyingEmergencyHandlerForUserProcesses |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1293 |
"return a block (usable as an emergency handler for exceptions), |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1294 |
which does errorNotification before going into the debugger, |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1295 |
but only for exceptions occurring in user processes; |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1296 |
systemProcesses are not debugged. |
6198
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1297 |
Halts and breakpoints go directly into the debugger (without asking) |
5058
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1298 |
|
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1299 |
WARNING: this method belongs to NoHandlerError, and may eventually be |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1300 |
moved there - it is (for now) left here for backward compatibility." |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1301 |
|
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1302 |
^ [:ex | |
5059 | 1303 |
|
1304 |
|theException| |
|
1305 |
||
5058
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1306 |
Processor activeProcessIsSystemProcess ifTrue:[ |
5061 | 1307 |
'EmergencyHandler [info]: exception cought: ' errorPrint. |
5059 | 1308 |
ex signal == NoHandlerError ifTrue:[ |
1309 |
theException := ex parameter. |
|
1310 |
] ifFalse:[ |
|
1311 |
theException := ex |
|
1312 |
]. |
|
5295 | 1313 |
theException description errorPrintCR. |
6198
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1314 |
AbortSignal raise. |
5058
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1315 |
] ifFalse:[ |
6198
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1316 |
(ex signal == NoHandlerError |
6581 | 1317 |
and:[ex parameter signal inheritsFrom:ControlInterrupt]) ifTrue:[ |
6198
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1318 |
"/ go directly into the debugger ... |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1319 |
Debugger |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1320 |
enter:ex suspendedContext |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1321 |
withMessage:ex description |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1322 |
mayProceed:true |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1323 |
] ifFalse:[ |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1324 |
"/ ask, and maybe go into the debugger ... |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1325 |
nil |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1326 |
errorNotify:ex description |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1327 |
from:ex suspendedContext |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1328 |
allowDebug:true |
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1329 |
] |
5058
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1330 |
] |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1331 |
] |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1332 |
|
6581 | 1333 |
"test with: |
1334 |
NoHandlerError emergencyHandler:(NoHandlerError notifyingEmergencyHandlerForUserProcesses) |
|
1335 |
Object bla. |
|
5058
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1336 |
" |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1337 |
|
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1338 |
"back with: |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1339 |
NoHandlerError emergencyHandler:nil |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1340 |
" |
42e732f3497c
added another useful handler
Claus Gittinger <cg@exept.de>
parents:
4936
diff
changeset
|
1341 |
|
6198
9c2324d1befa
better emergencyHandlers (do not ask for breaks/halts)
Claus Gittinger <cg@exept.de>
parents:
6174
diff
changeset
|
1342 |
"Modified: / 16.11.2001 / 16:06:54 / cg" |
4936 | 1343 |
! ! |
1344 |
||
5680 | 1345 |
!GenericException methodsFor:'Compatibility - ANSI'! |
1346 |
||
5933
af2939dac9bf
added #pass for compatibility
Claus Gittinger <cg@exept.de>
parents:
5927
diff
changeset
|
1347 |
pass |
af2939dac9bf
added #pass for compatibility
Claus Gittinger <cg@exept.de>
parents:
5927
diff
changeset
|
1348 |
^ self reject |
af2939dac9bf
added #pass for compatibility
Claus Gittinger <cg@exept.de>
parents:
5927
diff
changeset
|
1349 |
! |
af2939dac9bf
added #pass for compatibility
Claus Gittinger <cg@exept.de>
parents:
5927
diff
changeset
|
1350 |
|
5985 | 1351 |
retry |
1352 |
"same as #restart - ANSI & VW compatibility" |
|
1353 |
||
1354 |
self restart |
|
1355 |
||
1356 |
"Created: / 7.9.2001 / 13:31:02 / cg" |
|
1357 |
! |
|
1358 |
||
5680 | 1359 |
signalWith:errorString |
5697
ce78c7d9ddbd
raiseSignal / raiseSignal: / raiseSignal:with:
Claus Gittinger <cg@exept.de>
parents:
5684
diff
changeset
|
1360 |
^ self raiseErrorString:errorString |
ce78c7d9ddbd
raiseSignal / raiseSignal: / raiseSignal:with:
Claus Gittinger <cg@exept.de>
parents:
5684
diff
changeset
|
1361 |
! ! |
5680 | 1362 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1363 |
!GenericException methodsFor:'accessing'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1364 |
|
4562 | 1365 |
creator |
1366 |
"return the creator of the exception" |
|
1367 |
||
6453 | 1368 |
signal == nil ifTrue:[ |
1369 |
^ self class |
|
1370 |
]. |
|
4562 | 1371 |
^ signal |
1372 |
! |
|
1373 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1374 |
errorString |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1375 |
"return the errorString passsed with the signal raise |
4562 | 1376 |
(or nil, if there was none). |
1377 |
#errorString is deprecated, use description instead" |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1378 |
|
6859
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
1379 |
<resource:#obsolete> |
4562 | 1380 |
|
1381 |
^ self description |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1382 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1383 |
"Modified: / 12.3.1998 / 15:13:28 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1384 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1385 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1386 |
errorString:aString |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1387 |
"set the errorString. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1388 |
If it starts with a space, the signals errorString is prepended, |
4562 | 1389 |
if it ends with a space, it is appended. |
1390 |
#errorString: is deprecated, use messageText: instead" |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1391 |
|
6859
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
1392 |
<resource:#obsolete> |
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
1393 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1394 |
errorString := aString |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1395 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1396 |
"Created: / 5.3.1998 / 16:45:29 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1397 |
"Modified: / 12.3.1998 / 15:30:45 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1398 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1399 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1400 |
handlerContext |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1401 |
"return the context of the handler" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1402 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1403 |
^ handlerContext |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1404 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1405 |
|
4483 | 1406 |
handlingException |
1407 |
"return the handling exception (or signalSet or Exception). |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1408 |
This is only valid during handler evaluation, and answers |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1409 |
the object which accepted the actual signal. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1410 |
(i.e. the parent or signalSet or handlerCollection)" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1411 |
|
4483 | 1412 |
^ handlingException |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1413 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1414 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1415 |
isResumable |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1416 |
"return true, if the exception is resumable" |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1417 |
|
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1418 |
^ proceedable |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1419 |
|
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1420 |
"Modified: / 2.3.1998 / 12:20:43 / stefan" |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1421 |
! |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1422 |
|
5950 | 1423 |
messageText |
1424 |
"return the explicit given messageText - nil, if signaller did not provide one." |
|
1425 |
||
1426 |
^ errorString |
|
1427 |
! |
|
1428 |
||
4562 | 1429 |
messageText:aString |
1430 |
"set the messageText. |
|
1431 |
If it starts with a space, the signals errorString is prepended, |
|
1432 |
if it ends with a space, it is appended." |
|
1433 |
||
1434 |
errorString := aString |
|
1435 |
||
1436 |
"Created: / 5.3.1998 / 16:45:29 / stefan" |
|
1437 |
"Modified: / 12.3.1998 / 15:30:45 / stefan" |
|
1438 |
! |
|
1439 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1440 |
originator |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1441 |
"return the originator passsed with the signal raise |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1442 |
(or nil, if there was none)" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1443 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1444 |
^ originator |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1445 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1446 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1447 |
originator:anObject |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1448 |
"set the originator" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1449 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1450 |
originator := anObject |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1451 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1452 |
"Created: / 5.3.1998 / 16:34:56 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1453 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1454 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1455 |
parameter |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1456 |
"return the parameter passsed with the signal raise |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1457 |
(or nil, if there was none)" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1458 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1459 |
^ parameter |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1460 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1461 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1462 |
parameter:anObject |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1463 |
"set the parameter of the exception" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1464 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1465 |
parameter := anObject |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1466 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1467 |
"Created: / 5.3.1998 / 16:34:22 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1468 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1469 |
|
6036 | 1470 |
proceedable:aBoolean |
1471 |
proceedable := aBoolean |
|
1472 |
! |
|
1473 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1474 |
rejected |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1475 |
"return true, if any other of the exceptions handlers has rejected |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1476 |
Uncertain, if this is really interesting to anybody. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1477 |
This is only valid during handler execution. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1478 |
(i.e. an outer handler can find out, if any other handler has already |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1479 |
rejected). |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1480 |
Currently only used to change the 'unhandled-exception' errorString |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1481 |
into 'rejected-exception' for information). |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1482 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1483 |
|
4564 | 1484 |
^ rejected == true |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1485 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1486 |
|
5697
ce78c7d9ddbd
raiseSignal / raiseSignal: / raiseSignal:with:
Claus Gittinger <cg@exept.de>
parents:
5684
diff
changeset
|
1487 |
searchFrom:raisingContext |
ce78c7d9ddbd
raiseSignal / raiseSignal: / raiseSignal:with:
Claus Gittinger <cg@exept.de>
parents:
5684
diff
changeset
|
1488 |
suspendedContext := raisingContext |
ce78c7d9ddbd
raiseSignal / raiseSignal: / raiseSignal:with:
Claus Gittinger <cg@exept.de>
parents:
5684
diff
changeset
|
1489 |
! |
ce78c7d9ddbd
raiseSignal / raiseSignal: / raiseSignal:with:
Claus Gittinger <cg@exept.de>
parents:
5684
diff
changeset
|
1490 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1491 |
signal |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1492 |
"return the signal, that caused the exception" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1493 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1494 |
^ signal |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1495 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1496 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1497 |
signal:aSignal |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1498 |
"set the signal, that caused the exception" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1499 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1500 |
signal := aSignal |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1501 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1502 |
"Created: / 5.3.1998 / 16:02:46 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1503 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1504 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1505 |
suspendedContext |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1506 |
"return the context in which the raise occured" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1507 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1508 |
^ suspendedContext |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1509 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1510 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1511 |
suspendedContext:something |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1512 |
"set the value of the instance variable 'suspendedContext' (automatically generated)" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1513 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1514 |
suspendedContext := something. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1515 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1516 |
"Created: / 2.3.1998 / 12:43:20 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1517 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1518 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1519 |
willProceed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1520 |
"return true, if the exception is proceedable" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1521 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1522 |
^ self isResumable |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1523 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1524 |
"Modified: / 2.3.1998 / 12:20:43 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1525 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1526 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1527 |
!GenericException methodsFor:'copying'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1528 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1529 |
postCopy |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1530 |
"set the internal state to nil" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1531 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1532 |
suspendedContext := handlerContext := rejected := nil |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1533 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1534 |
"Created: / 2.3.1998 / 12:30:06 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1535 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1536 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1537 |
!GenericException methodsFor:'default actions'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1538 |
|
4527 | 1539 |
defaultAction |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1540 |
"perform a action for the exception if it hasn't been catched |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1541 |
We arrive here, if either no handler was found, or none of the |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1542 |
handlers did a return (i.e. every handler rejected). |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1543 |
|
4562 | 1544 |
The default is to evaluate the signal's handlerBlock or |
1545 |
to raise the noHandlerSignal. |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1546 |
Subclasses may redefine this." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1547 |
|
4562 | 1548 |
|handlerBlock| |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1549 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1550 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1551 |
try per signal handler |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1552 |
" |
4562 | 1553 |
(handlerBlock := signal handlerBlock) notNil ifTrue:[ |
1554 |
"... and call it" |
|
1555 |
^ handlerBlock value:self. |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1556 |
]. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1557 |
|
4562 | 1558 |
"/ if its a querySignal, ignore it |
1559 |
signal isQuerySignal ifTrue:[^ nil]. |
|
1560 |
^ self noHandler. |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1561 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1562 |
"Created: / 23.7.1999 / 14:38:03 / stefan" |
4517
8c539600fb63
Implement NoHandlerException etc. as class based exceptions.
Stefan Vogel <sv@exept.de>
parents:
4513
diff
changeset
|
1563 |
"Modified: / 4.8.1999 / 08:11:05 / stefan" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1564 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1565 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1566 |
mayProceed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1567 |
"return true, if the exception handler is allowed to proceed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1568 |
the execution where the exception occured. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1569 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1570 |
Subclasses may redefine this." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1571 |
|
6920
ff7892b5b41a
no longer raise ProceedError
Claus Gittinger <cg@exept.de>
parents:
6859
diff
changeset
|
1572 |
proceedable notNil ifTrue:[^ proceedable]. |
ff7892b5b41a
no longer raise ProceedError
Claus Gittinger <cg@exept.de>
parents:
6859
diff
changeset
|
1573 |
signal notNil ifTrue:[^ signal mayProceed]. |
ff7892b5b41a
no longer raise ProceedError
Claus Gittinger <cg@exept.de>
parents:
6859
diff
changeset
|
1574 |
^ self class mayProceed |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1575 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1576 |
"Created: / 23.7.1999 / 14:48:26 / stefan" |
4562 | 1577 |
! |
1578 |
||
1579 |
noHandler |
|
1580 |
"raise the NoHandlerError. |
|
1581 |
NohandlerError redefines this method to avoid recursive invocations" |
|
1582 |
||
4564 | 1583 |
<context: #return> |
1584 |
||
4562 | 1585 |
|msg| |
1586 |
||
4564 | 1587 |
rejected == true ifTrue:[ |
4562 | 1588 |
msg := 'unhandled (rejected)' |
1589 |
] ifFalse:[ |
|
1590 |
msg := 'unhandled' |
|
1591 |
]. |
|
5295 | 1592 |
msg := msg , ' exception: (' , self description , ')'. |
4564 | 1593 |
self mayProceed ifTrue:[ |
1594 |
^ NoHandlerError |
|
1595 |
raiseRequestWith:self |
|
1596 |
errorString:msg |
|
1597 |
in:suspendedContext. |
|
1598 |
]. |
|
1599 |
NoHandlerError |
|
1600 |
raiseWith:self |
|
1601 |
errorString:msg |
|
1602 |
in:suspendedContext. |
|
4562 | 1603 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1604 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1605 |
|
5984
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1606 |
!GenericException methodsFor:'default values'! |
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1607 |
|
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1608 |
defaultResumeValue |
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1609 |
^ nil |
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1610 |
! |
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1611 |
|
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1612 |
defaultReturnValue |
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1613 |
^ nil |
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1614 |
! ! |
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1615 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1616 |
!GenericException methodsFor:'handler actions'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1617 |
|
5985 | 1618 |
exit |
1619 |
"either resume or return - depending on the receivers resumability. |
|
1620 |
VW compatibility." |
|
1621 |
||
1622 |
self isResumable ifTrue:[ |
|
1623 |
self resume:(self defaultResumeValue) |
|
1624 |
] ifFalse:[ |
|
1625 |
self return:(self defaultReturnValue) |
|
1626 |
] |
|
1627 |
||
1628 |
"Modified: / 7.9.2001 / 13:28:54 / cg" |
|
1629 |
! |
|
1630 |
||
1631 |
exit:value |
|
1632 |
"either resume or return - depending on the receivers resumability. |
|
1633 |
VW compatibility." |
|
1634 |
||
1635 |
self isResumable ifTrue:[ |
|
1636 |
self resume:value |
|
1637 |
] ifFalse:[ |
|
1638 |
self return:value |
|
1639 |
] |
|
1640 |
||
1641 |
"Created: / 7.9.2001 / 13:29:55 / cg" |
|
1642 |
"Modified: / 7.9.2001 / 13:30:00 / cg" |
|
1643 |
! |
|
1644 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1645 |
proceed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1646 |
"Continue after the raise - the raise returns nil" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1647 |
|
5984
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1648 |
self proceedWith:(self defaultResumeValue). |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1649 |
|
4556 | 1650 |
"cg: a strange example: |
1651 |
there are two cought errors here - can you spot them ? |
|
1652 |
||
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1653 |
Object errorSignal handle:[:ex| |
4556 | 1654 |
'proceeding' printCR. |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1655 |
ex proceed |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1656 |
] do:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1657 |
Object errorSignal raiseRequest |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1658 |
]. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1659 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1660 |
|
4517
8c539600fb63
Implement NoHandlerException etc. as class based exceptions.
Stefan Vogel <sv@exept.de>
parents:
4513
diff
changeset
|
1661 |
"Modified: / 4.8.1999 / 08:42:12 / stefan" |
5985 | 1662 |
"Modified: / 7.9.2001 / 13:29:08 / cg" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1663 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1664 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1665 |
proceedWith:value |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1666 |
"Continue after the raise - the raise returns value" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1667 |
|
4507 | 1668 |
|con| |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1669 |
|
6920
ff7892b5b41a
no longer raise ProceedError
Claus Gittinger <cg@exept.de>
parents:
6859
diff
changeset
|
1670 |
"/ proceedable ifFalse:[ |
ff7892b5b41a
no longer raise ProceedError
Claus Gittinger <cg@exept.de>
parents:
6859
diff
changeset
|
1671 |
"/ "proceed from ProceedError to recover from this error" |
ff7892b5b41a
no longer raise ProceedError
Claus Gittinger <cg@exept.de>
parents:
6859
diff
changeset
|
1672 |
"/ ProceedError raiseRequestWith:self. |
ff7892b5b41a
no longer raise ProceedError
Claus Gittinger <cg@exept.de>
parents:
6859
diff
changeset
|
1673 |
"/ proceedable := true. |
ff7892b5b41a
no longer raise ProceedError
Claus Gittinger <cg@exept.de>
parents:
6859
diff
changeset
|
1674 |
"/ ]. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1675 |
|
4556 | 1676 |
thisContext evaluateUnwindActionsUpTo:suspendedContext. |
1677 |
suspendedContext resumeIgnoringErrors:value. |
|
1678 |
||
1679 |
"/ arrive here, if suspended context is not resumable - |
|
1680 |
"/ sigh; resume our raise context ... |
|
1681 |
"/ ... consider this a fallBack kludge, for the case that |
|
1682 |
"/ a raising context is not returnable. |
|
1683 |
||
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1684 |
"/ find my raise context |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1685 |
con := Context findFirstSpecialHandle:false raise:true. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1686 |
[con notNil |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1687 |
and:[con receiver ~~ self]] whileTrue:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1688 |
con := con findSpecialHandle:false raise:true. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1689 |
]. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1690 |
"/ now, have the doCallXXX context at-hand |
4488
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
1691 |
con := con sender. |
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
1692 |
"/ now, have the doRaise context at-hand |
4632 | 1693 |
con := con sender. |
1694 |
"/ now, have the raise context at-hand |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1695 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1696 |
handlerContext := suspendedContext := nil. |
4556 | 1697 |
con resume:value. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1698 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1699 |
"Modified: / 27.3.1997 / 16:45:57 / cg" |
4517
8c539600fb63
Implement NoHandlerException etc. as class based exceptions.
Stefan Vogel <sv@exept.de>
parents:
4513
diff
changeset
|
1700 |
"Modified: / 4.8.1999 / 08:42:17 / stefan" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1701 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1702 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1703 |
reject |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1704 |
"handler decided not to handle this signal - |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1705 |
system will look for another handler" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1706 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1707 |
|con| |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1708 |
|
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1709 |
"/ find my raise context |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1710 |
con := Context findFirstSpecialHandle:false raise:true. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1711 |
[con notNil |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1712 |
and:[con receiver ~~ self]] whileTrue:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1713 |
con := con findSpecialHandle:false raise:true. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1714 |
]. |
4488
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
1715 |
"/ now, have the doCallXXX context at-hand |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1716 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1717 |
rejected := true. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1718 |
con unwind:nil. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1719 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1720 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1721 |
Object errorSignal handle:[:ex | |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1722 |
'1' printCR. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1723 |
ex reject |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1724 |
] do:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1725 |
Object errorSignal handle:[:ex | |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1726 |
'2' printCR. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1727 |
ex reject |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1728 |
] do:[ |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1729 |
#() at:1 |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1730 |
] |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1731 |
] |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1732 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1733 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1734 |
|
4556 | 1735 |
resignalAs:anotherException |
1736 |
"resignal anotherException, as if it was raised in the first place" |
|
1737 |
||
1738 |
|con| |
|
1739 |
||
1740 |
con := suspendedContext. |
|
6364
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1741 |
con canReturn ifFalse:[ |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1742 |
"the context that triggered the exception cannot return. |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1743 |
This is a fallback: return the the context of the raise*. |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1744 |
We know, that this context is returnable" |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1745 |
|
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1746 |
con := Context findFirstSpecialHandle:false raise:true. |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1747 |
[con notNil and:[con receiver ~~ self]] whileTrue:[ |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1748 |
con := con findSpecialHandle:false raise:true. |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1749 |
]. |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1750 |
[con notNil and:[con sender ~~ suspendedContext]] whileTrue:[ |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1751 |
con := con sender. |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1752 |
]. |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1753 |
]. |
4556 | 1754 |
handlerContext := suspendedContext := nil. |
6364
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1755 |
con unwindThenDo:[anotherException raiseSignal]. |
4556 | 1756 |
|
1757 |
" |
|
6364
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1758 |
|rslt| |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1759 |
|
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1760 |
Number divisionByZeroSignal handle:[:ex | |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1761 |
ex resignalAs:Number domainErrorSignal |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1762 |
] do:[ |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1763 |
rslt := 5 // 0 |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1764 |
]. |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1765 |
rslt |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1766 |
" |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1767 |
|
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1768 |
" |
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1769 |
|rslt| |
4556 | 1770 |
|
1771 |
Object messageNotUnderstoodSignal handle:[:ex | |
|
6364
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1772 |
ex resignalAs:Number domainErrorSignal |
4556 | 1773 |
] do:[ |
6364
b7d1a52ec256
Workaround for non-returnable contexts in #resignalAs:
Stefan Vogel <sv@exept.de>
parents:
6264
diff
changeset
|
1774 |
rslt := 1 perform:#foo |
4556 | 1775 |
]. |
1776 |
rslt |
|
1777 |
" |
|
1778 |
! |
|
1779 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1780 |
restart |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1781 |
"restart the handle:do: - usually after some repair work is done |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1782 |
in the handler" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1783 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1784 |
|con| |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1785 |
|
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1786 |
con := handlerContext. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1787 |
handlerContext := suspendedContext := nil. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1788 |
con unwindAndRestart |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1789 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1790 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1791 |
|rslt n| |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1792 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1793 |
Object errorSignal handle:[:ex | |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1794 |
'fixing divisor ...' printCR. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1795 |
n := 1. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1796 |
ex restart. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1797 |
] do:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
1798 |
rslt := 5 / n. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1799 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1800 |
rslt |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1801 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1802 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1803 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1804 |
restartDo:aBlock |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1805 |
"restart the handle:do: but execute the argument, aBlock instead of the |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1806 |
original do-block - usually after some repair work is done in handler" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1807 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1808 |
|con| |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1809 |
|
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1810 |
con := handlerContext. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1811 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1812 |
"/ handlerContext unwindThenDo:[ |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1813 |
"/ handlerContext receiver |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1814 |
"/ handle:(handlerContext argAt:1) |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1815 |
"/ do:aBlock |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1816 |
"/ ]. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1817 |
handlerContext := suspendedContext := nil. |
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1818 |
con receiver handlerProtectedBlock:aBlock inContext:con. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1819 |
con unwindAndRestart |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1820 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1821 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1822 |
|sig rslt| |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1823 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1824 |
sig := Signal new. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1825 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1826 |
sig handle:[:ex | |
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1827 |
ex restartDo:[ rslt := 999 ] |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1828 |
] do:[ |
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1829 |
rslt := 0. |
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1830 |
sig raise |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1831 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1832 |
Transcript showCR:rslt |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1833 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1834 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1835 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1836 |
|sig rslt| |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1837 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1838 |
Object errorSignal handle:[:ex | |
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1839 |
ex restartDo:[ rslt := 999 ] |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1840 |
] do:[ |
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1841 |
rslt := nil foo. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1842 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1843 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1844 |
Transcript showCR:rslt |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1845 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1846 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1847 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1848 |
|sig rslt| |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1849 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1850 |
Object errorSignal handle:[:ex | |
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1851 |
ex restartDo:[ 'handler' printCR. rslt := nil foo ] |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1852 |
] do:[ |
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1853 |
rslt := nil foo. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1854 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1855 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1856 |
Transcript showCR:rslt |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1857 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1858 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1859 |
"Modified: / 8.11.1997 / 18:52:28 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1860 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1861 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1862 |
resume |
5985 | 1863 |
"Continue after the raise - the raise returns nil" |
1864 |
||
1865 |
"/ obsolete (use #proceed), retained for backwards compatibility" |
|
1866 |
"/ no - ANSI defines #resume - sigh |
|
1867 |
"/ <resource:#obsolete> |
|
1868 |
"/ |
|
1869 |
"/ self obsoleteMethodWarning:'use #proceed'. |
|
1870 |
||
5984
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1871 |
^ self proceedWith:(self defaultResumeValue) |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1872 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1873 |
"Modified: / 2.3.1998 / 10:51:55 / stefan" |
5985 | 1874 |
"Modified: / 7.9.2001 / 13:28:34 / cg" |
1875 |
! |
|
1876 |
||
1877 |
resume:value |
|
1878 |
"Continue after the raise - the raise returns value" |
|
1879 |
||
1880 |
^ self proceedWith:value |
|
1881 |
||
1882 |
"Modified: / 7.9.2001 / 13:28:49 / cg" |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1883 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1884 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1885 |
resumeWith:value |
5985 | 1886 |
"Continue after the raise - the raise returns value" |
1887 |
||
1888 |
"/ obsolete (use #proceedWith:), retained for backwards compatibility |
|
1889 |
"/ no - ANSI defines #resume: - sigh |
|
1890 |
"/<resource:#obsolete> |
|
1891 |
"/ |
|
1892 |
"/ self obsoleteMethodWarning:'use #proceedWith:'. |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1893 |
^ self proceedWith:value |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1894 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1895 |
"Modified: / 2.3.1998 / 10:51:48 / stefan" |
5985 | 1896 |
"Modified: / 7.9.2001 / 13:29:26 / cg" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1897 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1898 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1899 |
return |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1900 |
"Continue after the handle:do: - the handle:do: returns nil" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1901 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1902 |
|con| |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1903 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1904 |
con := handlerContext. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1905 |
handlerContext := suspendedContext := nil. |
5984
2d5c04c9fab6
ANSI; added #defaultResumeValue and #defaultReturnValue.
Claus Gittinger <cg@exept.de>
parents:
5950
diff
changeset
|
1906 |
con unwind:(self defaultReturnValue) |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1907 |
|
5985 | 1908 |
"Modified: / 7.9.2001 / 13:29:34 / cg" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1909 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1910 |
|
5939 | 1911 |
return:value |
1912 |
"Continue after the handle:do: - the handle:do: returns value" |
|
1913 |
||
1914 |
|con| |
|
1915 |
||
1916 |
con := handlerContext. |
|
1917 |
handlerContext := suspendedContext := nil. |
|
1918 |
con unwind:value |
|
1919 |
||
1920 |
"Modified: 27.3.1997 / 16:46:51 / cg" |
|
1921 |
! |
|
1922 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1923 |
returnDoing:aBlock |
4544
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1924 |
"Continue after the handle:do: - the handle:do: returns aBlock value |
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1925 |
Be careful when debugging. You cannot see the context with #returnDoing: |
2a0e3853d320
#returnDoing works for any exception handler.
Stefan Vogel <sv@exept.de>
parents:
4538
diff
changeset
|
1926 |
in the debugger if aBlock raises a signal" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1927 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1928 |
|con| |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1929 |
|
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1930 |
con := handlerContext. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1931 |
handlerContext := suspendedContext := nil. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1932 |
con unwindThenDo:aBlock |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1933 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1934 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1935 |
returnWith:value |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1936 |
"Continue after the handle:do: - the handle:do: returns value" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1937 |
|
5939 | 1938 |
self return:value |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1939 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1940 |
|
5570 | 1941 |
!GenericException methodsFor:'printing & storing'! |
4562 | 1942 |
|
1943 |
description |
|
1944 |
"return the description string of the signal" |
|
1945 |
||
6248
1898c39ebdfa
care for non-string description
Claus Gittinger <cg@exept.de>
parents:
6246
diff
changeset
|
1946 |
|sigDescr| |
1898c39ebdfa
care for non-string description
Claus Gittinger <cg@exept.de>
parents:
6246
diff
changeset
|
1947 |
|
1898c39ebdfa
care for non-string description
Claus Gittinger <cg@exept.de>
parents:
6246
diff
changeset
|
1948 |
sigDescr := signal description. |
1898c39ebdfa
care for non-string description
Claus Gittinger <cg@exept.de>
parents:
6246
diff
changeset
|
1949 |
(errorString isNil or:[ errorString isString not]) |
1898c39ebdfa
care for non-string description
Claus Gittinger <cg@exept.de>
parents:
6246
diff
changeset
|
1950 |
ifTrue:[ |
1898c39ebdfa
care for non-string description
Claus Gittinger <cg@exept.de>
parents:
6246
diff
changeset
|
1951 |
^ sigDescr |
4562 | 1952 |
]. |
1953 |
(errorString startsWith:Character space) ifTrue:[ |
|
6248
1898c39ebdfa
care for non-string description
Claus Gittinger <cg@exept.de>
parents:
6246
diff
changeset
|
1954 |
^ sigDescr, errorString. |
4562 | 1955 |
]. |
1956 |
(errorString endsWith:Character space) ifTrue:[ |
|
6248
1898c39ebdfa
care for non-string description
Claus Gittinger <cg@exept.de>
parents:
6246
diff
changeset
|
1957 |
^ errorString, sigDescr. |
4562 | 1958 |
]. |
1959 |
||
1960 |
^ errorString |
|
1961 |
||
1962 |
" |
|
1963 |
(Error new messageText:'bla') description |
|
1964 |
(Error new messageText:' bla') description |
|
1965 |
(Error new messageText:'bla ') description |
|
1966 |
" |
|
1967 |
||
1968 |
"Modified: / 12.3.1998 / 15:13:28 / stefan" |
|
6859
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
1969 |
! |
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
1970 |
|
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
1971 |
printOn:aStream |
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
1972 |
|
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
1973 |
super printOn:aStream. |
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
1974 |
aStream nextPut:$(; nextPutAll:self description; nextPut:$) |
4562 | 1975 |
! ! |
1976 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1977 |
!GenericException methodsFor:'private'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1978 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1979 |
doCallAction |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1980 |
"call the action proper |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1981 |
- needed an extra method to have a raise-marked context around |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1982 |
( see implementation of #reject and #proceed)." |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1983 |
|
4488
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
1984 |
<context: #return> |
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
1985 |
<exception: #raise> |
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
1986 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
1987 |
"/ thisContext markForRaise. -- same as above pragma |
4527 | 1988 |
^ self defaultAction |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1989 |
! |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1990 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1991 |
doCallHandler:aHandlerBlock |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1992 |
"call the handler proper |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1993 |
- needed an extra method to have a raise-marked context around. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
1994 |
( see implementation of #reject and #proceed)." |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1995 |
|
4488
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
1996 |
<context: #return> |
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
1997 |
<exception: #raise> |
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
1998 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
1999 |
|val| |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2000 |
|
4491
5041cae5651c
use new pragma to flag exception frames.
Claus Gittinger <cg@exept.de>
parents:
4488
diff
changeset
|
2001 |
"/ thisContext markForRaise. -- same as above pragma |
6158
7fb96896ed4b
support 0-arg handler blocks
Claus Gittinger <cg@exept.de>
parents:
6036
diff
changeset
|
2002 |
aHandlerBlock numArgs == 0 ifTrue:[ |
7fb96896ed4b
support 0-arg handler blocks
Claus Gittinger <cg@exept.de>
parents:
6036
diff
changeset
|
2003 |
"/ 0-arg handler - not interested in the ex - object |
7fb96896ed4b
support 0-arg handler blocks
Claus Gittinger <cg@exept.de>
parents:
6036
diff
changeset
|
2004 |
val := aHandlerBlock value |
7fb96896ed4b
support 0-arg handler blocks
Claus Gittinger <cg@exept.de>
parents:
6036
diff
changeset
|
2005 |
] ifFalse:[ |
7fb96896ed4b
support 0-arg handler blocks
Claus Gittinger <cg@exept.de>
parents:
6036
diff
changeset
|
2006 |
"/ 1-arg handler - pass myself as ex-arg |
7fb96896ed4b
support 0-arg handler blocks
Claus Gittinger <cg@exept.de>
parents:
6036
diff
changeset
|
2007 |
val := aHandlerBlock value:self. |
7fb96896ed4b
support 0-arg handler blocks
Claus Gittinger <cg@exept.de>
parents:
6036
diff
changeset
|
2008 |
]. |
7fb96896ed4b
support 0-arg handler blocks
Claus Gittinger <cg@exept.de>
parents:
6036
diff
changeset
|
2009 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2010 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2011 |
handler fall through - is just like a returnWith:blocks-value |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2012 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2013 |
self returnWith:val |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2014 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2015 |
"Modified: / 26.7.1999 / 14:41:55 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2016 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2017 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2018 |
doRaise |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2019 |
"search through the context-calling chain for a handle-context |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2020 |
to the raising signal, a parent of it, or a SignalSet which includes |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2021 |
the raising signal. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2022 |
If found, ask the receiver for the handler and evaluate |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2023 |
it with the receiver exception as argument. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2024 |
If no handler is found, perform the default #action method. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2025 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2026 |
ATTENTION: the code below depends on being called by #raise or |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2027 |
#raiseRequest for proper operation (it skips the sending context)." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2028 |
|
4488
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
2029 |
<context: #return> |
db914d752859
must mark returned contexts as returnable
Claus Gittinger <cg@exept.de>
parents:
4484
diff
changeset
|
2030 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2031 |
|theContext handler |
5197
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2032 |
theSignal c ex1 sig1 activeHandlers |
4504 | 2033 |
"lastHandler" h r firstHandler searchForHandle| |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2034 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2035 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2036 |
"/ is nil a valid originator? If so, we need an extra |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2037 |
"/ instanceVariable to record the originator setting. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2038 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2039 |
originator isNil ifTrue:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2040 |
originator := suspendedContext homeReceiver |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2041 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2042 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2043 |
theSignal := signal. |
6630
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
2044 |
theSignal isExceptionCreator ifFalse:[ |
0f6ecb272b09
#isExceptionCreator instead of #isSignal
Stefan Vogel <sv@exept.de>
parents:
6598
diff
changeset
|
2045 |
self halt:'unexpected non-ExceptionCreator in calling context'. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2046 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2047 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2048 |
"/ 'search handler for: ' print. theSignal displayString printCR. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2049 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2050 |
"/ since the exceptionHandler is evaluated on top of the |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2051 |
"/ contextChain, we must skip active handlers before searching. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2052 |
"/ otherwise, we get into trouble, when re-raising an exception |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2053 |
"/ from within a handler (which would lead to re-executing the |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2054 |
"/ same handler) |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2055 |
"/ the code below collects active handlers ... |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2056 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2057 |
"/ on the fly, look for the first handle - context, |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2058 |
"/ and remember it (as firstHandler) to avoid walking the context chain twice |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2059 |
"/ in most cases ... |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2060 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2061 |
firstHandler := nil. |
4504 | 2062 |
searchForHandle := true. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2063 |
|
4504 | 2064 |
c := Context findFirstSpecialHandle:searchForHandle raise:true. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2065 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
2066 |
[c notNil] whileTrue:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2067 |
(c isRaiseContext) ifTrue:[ |
5197
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2068 |
ex1 := c receiver. "exception, that has been raised before" |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2069 |
h := ex1 handlerContext. "the context of the previous exception handler" |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2070 |
h notNil ifTrue:[ |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2071 |
sig1 := ex1 signal. "the signal that has been raised before" |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2072 |
(sig1 == theSignal "are we going to raise the same signal again" |
4521 | 2073 |
|
5197
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2074 |
"/ mhmh - if not ==, the raised signal there is not ours, |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2075 |
"/ but the handler could still be for a signalSet, parentSig |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2076 |
"/ or other thingy which accepts our signal. |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2077 |
"/ If we omit that check, a signalSet-handler gets invoked |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2078 |
"/ again by an exception occuring inside its handler. |
4521 | 2079 |
|
5197
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2080 |
"/ to avoid overhead, only do it if the |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2081 |
"/ handlers receiver is not of the signals class... |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2082 |
"/ ...i.e. knowing that most are r handle:do: contexts, |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2083 |
"/ where the receiver is the handling signal. |
4521 | 2084 |
|
5197
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2085 |
"is the signal that has been raised different |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2086 |
from the signal that has been handled?" |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2087 |
or:[(h receiver handlingExceptionInContext:h) ~~ sig1 |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2088 |
and:[ex1 handlingException accepts:theSignal]]) ifTrue:[ |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2089 |
"...and will the previous handler accept the signal |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2090 |
we are going to raise?" |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2091 |
activeHandlers isNil ifTrue:[ |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2092 |
activeHandlers := OrderedCollection new |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2093 |
]. |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2094 |
|
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2095 |
activeHandlers add:h. |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2096 |
"/ lastHandler := h. |
14331ce13d51
Fix detection of active handlers (change for class based exceptions)
Stefan Vogel <sv@exept.de>
parents:
5061
diff
changeset
|
2097 |
c := h. |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2098 |
] |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2099 |
] |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2100 |
] ifFalse:[ |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2101 |
"/ must be a handle context ... |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2102 |
firstHandler := c. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2103 |
searchForHandle := false. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2104 |
]. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2105 |
c := c findSpecialHandle:searchForHandle raise:true. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2106 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2107 |
|
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
2108 |
h := nil. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
2109 |
c := nil. |
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
2110 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2111 |
"/ now, start searching for a handler, |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2112 |
"/ start search above the last active handler. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2113 |
"/ Or start with the first handle context, if one |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2114 |
"/ was found as a side effect of the previous handler search. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2115 |
"/ If nil, then there is no handler and we can directly proceed |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2116 |
"/ to the unhandled code below. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2117 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2118 |
"/ lastHandler notNil ifTrue:[ |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2119 |
"/ theContext := lastHandler. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2120 |
"/ theContext := lastHandler findNextHandleContext |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2121 |
"/ ] ifFalse:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2122 |
theContext := firstHandler. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2123 |
"/ ]. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
2124 |
firstHandler := nil. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2125 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2126 |
[theContext notNil] whileTrue:[ |
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2127 |
"/ |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2128 |
"/ ask the Signal instance/Exception class for the handler. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2129 |
"/ nil is returned, if the signal is not accepted |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2130 |
"/ |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2131 |
r := theContext receiver. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2132 |
(r notNil and:[(handler := r handlerForSignal:signal |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2133 |
context:theContext |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2134 |
originator:originator) notNil] |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2135 |
) ifTrue:[ |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2136 |
(activeHandlers notNil |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2137 |
and:[activeHandlers includesIdentical:theContext]) ifTrue:[ |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2138 |
"/ 'skip activeHandler: ' print. theContext displayString printCR. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2139 |
|
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2140 |
] ifFalse:[ |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2141 |
"call the handler" |
4521 | 2142 |
|
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2143 |
handlerContext := theContext. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2144 |
"/ remember the handling signal, sigSet, or exception |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2145 |
"/ for the #accepts: check above |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2146 |
handlingException := r handlingExceptionInContext:theContext. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2147 |
theContext := nil. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2148 |
self doCallHandler:handler. |
4521 | 2149 |
|
4548
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2150 |
"/ if the handler rejects, we arrive here |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2151 |
"/ continue search for another handler |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2152 |
theContext := handlerContext. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2153 |
handlerContext := nil. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2154 |
]. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2155 |
]. |
8349abc6b796
Add #handlerProtectedBlock:inContext
Stefan Vogel <sv@exept.de>
parents:
4544
diff
changeset
|
2156 |
theContext := theContext findSpecialHandle:true raise:false. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2157 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2158 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2159 |
"/ help GC a bit, by clearing things we no longer need |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2160 |
"/ (especially useful for contexts ...) |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
2161 |
activeHandlers := handler := ex1 := firstHandler := nil. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2162 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2163 |
" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2164 |
we arrive here, if either no handler was found, |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2165 |
or every handler rejected. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2166 |
" |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
2167 |
^ self doCallAction |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2168 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2169 |
"Created: / 12.5.1996 / 15:09:39 / cg" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2170 |
"Modified: / 9.11.1997 / 14:48:44 / cg" |
4504 | 2171 |
"Modified: / 3.8.1999 / 11:20:41 / stefan" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2172 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2173 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2174 |
!GenericException methodsFor:'raising'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2175 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2176 |
raise |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
2177 |
"actually raise a non-proceedable exception" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2178 |
|
4556 | 2179 |
<context: #return> |
2180 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2181 |
suspendedContext isNil ifTrue:[ |
4538
25c5124b8c79
minidebugger entry protocol changed;
Claus Gittinger <cg@exept.de>
parents:
4533
diff
changeset
|
2182 |
suspendedContext := thisContext sender |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2183 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2184 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2185 |
proceedable := false. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2186 |
^ self doRaise |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2187 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2188 |
"Modified: / 12.5.1996 / 15:09:47 / cg" |
4507 | 2189 |
"Modified: / 3.8.1999 / 13:33:01 / stefan" |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2190 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2191 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2192 |
raiseRequest |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2193 |
"actually raise a proceedable exception." |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2194 |
|
4556 | 2195 |
<context: #return> |
2196 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2197 |
suspendedContext isNil ifTrue:[ |
4538
25c5124b8c79
minidebugger entry protocol changed;
Claus Gittinger <cg@exept.de>
parents:
4533
diff
changeset
|
2198 |
suspendedContext := thisContext sender |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2199 |
]. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2200 |
|
6598 | 2201 |
self mayProceed ifFalse:[ |
2202 |
StrictRaising ifTrue:[ |
|
6264
250dea266e37
no longer raise WrongProceedabilityError - it pisses me off
Claus Gittinger <cg@exept.de>
parents:
6250
diff
changeset
|
2203 |
"/ proceeding from wrongProceedabilitySignal grants the raiseRequest |
250dea266e37
no longer raise WrongProceedabilityError - it pisses me off
Claus Gittinger <cg@exept.de>
parents:
6250
diff
changeset
|
2204 |
WrongProceedabilityError raiseRequestWith:signal |
6598 | 2205 |
] ifFalse:[ |
2206 |
'Exception [warning]: WrongProceedability' infoPrintCR. |
|
2207 |
] |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2208 |
]. |
4484
9476c82921d0
eliminated proceedBlock and rejectBlock;
Claus Gittinger <cg@exept.de>
parents:
4483
diff
changeset
|
2209 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2210 |
proceedable := true. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2211 |
^ self doRaise |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2212 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2213 |
"Modified: / 12.5.1996 / 15:09:44 / cg" |
4517
8c539600fb63
Implement NoHandlerException etc. as class based exceptions.
Stefan Vogel <sv@exept.de>
parents:
4513
diff
changeset
|
2214 |
"Modified: / 4.8.1999 / 08:05:12 / stefan" |
5680 | 2215 |
! |
2216 |
||
2217 |
raiseSignal |
|
2218 |
"actually raise an exception (whatever the proceedability is)." |
|
2219 |
||
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2220 |
<context: #return> |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2221 |
|
5680 | 2222 |
self mayProceed ifFalse:[ |
2223 |
^ self raise |
|
2224 |
]. |
|
5697
ce78c7d9ddbd
raiseSignal / raiseSignal: / raiseSignal:with:
Claus Gittinger <cg@exept.de>
parents:
5684
diff
changeset
|
2225 |
^ self raiseRequest |
ce78c7d9ddbd
raiseSignal / raiseSignal: / raiseSignal:with:
Claus Gittinger <cg@exept.de>
parents:
5684
diff
changeset
|
2226 |
! ! |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2227 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2228 |
!GenericException methodsFor:'setup'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2229 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2230 |
signal:aSignal originator:origin |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2231 |
"set the fields usable for inspection by the handler |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2232 |
- only to be sent from the signal when raising" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2233 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2234 |
signal := aSignal. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2235 |
originator := origin. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2236 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2237 |
"Created: / 23.7.1999 / 13:39:35 / stefan" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2238 |
! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2239 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2240 |
signal:aSignal parameter:aParameter errorString:aString suspendedContext:sContext originator:origin |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2241 |
"set the fields usable for inspection by the handler |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2242 |
- only to be sent from the signal when raising" |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2243 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2244 |
signal := aSignal. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2245 |
parameter := aParameter. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2246 |
errorString := aString. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2247 |
suspendedContext := sContext. |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2248 |
originator := origin. |
6430
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2249 |
! |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2250 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2251 |
suspendedContext:sContext errorString:aString |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2252 |
"set required fields |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2253 |
- only to be sent from the signal when raising" |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2254 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2255 |
errorString := aString. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2256 |
suspendedContext := sContext. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2257 |
! |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2258 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2259 |
suspendedContext:sContext parameter:aParameter |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2260 |
"set required fields |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2261 |
- only to be sent from the signal when raising" |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2262 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2263 |
parameter := aParameter. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2264 |
suspendedContext := sContext. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2265 |
! |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2266 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2267 |
suspendedContext:sContext parameter:aParameter errorString:aString |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2268 |
"set required fields |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2269 |
- only to be sent from the signal when raising" |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2270 |
|
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2271 |
parameter := aParameter. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2272 |
errorString := aString. |
9a1580465dd2
better impl. of #deferAfter:
Claus Gittinger <cg@exept.de>
parents:
6426
diff
changeset
|
2273 |
suspendedContext := sContext. |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2274 |
! ! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2275 |
|
6220 | 2276 |
!GenericException methodsFor:'testing'! |
2277 |
||
2278 |
isException |
|
2279 |
^ true |
|
2280 |
||
2281 |
"Created: / 17.11.2001 / 18:37:27 / cg" |
|
2282 |
! ! |
|
2283 |
||
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2284 |
!GenericException class methodsFor:'documentation'! |
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2285 |
|
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2286 |
version |
6920
ff7892b5b41a
no longer raise ProceedError
Claus Gittinger <cg@exept.de>
parents:
6859
diff
changeset
|
2287 |
^ '$Header: /cvs/stx/stx/libbasic/GenericException.st,v 1.70 2002-12-06 10:51:02 cg Exp $' |
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2288 |
! ! |
6859
5ef85865e8db
Print exception description with #printOn:
Stefan Vogel <sv@exept.de>
parents:
6630
diff
changeset
|
2289 |
|
4481
f3f7e1af7489
added GenericException in-between, to allow for some exceptions
Claus Gittinger <cg@exept.de>
parents:
diff
changeset
|
2290 |
GenericException initialize! |