author | Claus Gittinger <cg@exept.de> |
Thu, 26 Oct 2000 22:03:25 +0200 | |
changeset 1104 | 0ffcaab55dbc |
parent 1103 | b75a71996388 |
child 1181 | 6e8a54535097 |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1989 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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7 |
inclusion of the above copyright notice. This software may not |
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8 |
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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"{ Package: 'stx:libcomp' }" |
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Object subclass:#Scanner |
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instanceVariableNames:'typeArray actionArray source lineNr token tokenType tokenPosition |
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tokenValue tokenName tokenLineNr hereChar peekChar peekChar2 |
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requestor exitBlock errorFlag ignoreErrors ignoreWarnings |
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saveComments currentComments collectedSource |
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allowUnderscoreInIdentifier allowDollarInIdentifier |
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scanColonAsKeyword warnSTXSpecialComment |
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warnUnderscoreInIdentifier warnOldStyleAssignment |
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warnCommonMistakes outStream outCol warnSTXNameSpaceUse |
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warnPossibleIncompatibilities warnDollarInIdentifier' |
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classVariableNames:'TypeArray ActionArray AllowUnderscoreInIdentifier Warnings |
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beginners common error warnings
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WarnSTXSpecials WarnOldStyleAssignment WarnUnderscoreInIdentifier |
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WarnCommonMistakes WarnPossibleIncompatibilities |
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WarnDollarInIdentifier AllowDollarInIdentifier |
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EmptySourceNotificationSignal AllowSqueakExtensions |
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AllowQualifiedNames' |
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poolDictionaries:'' |
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category:'System-Compiler' |
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! |
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Object subclass:#Comment |
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instanceVariableNames:'commentType commentString' |
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classVariableNames:'' |
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poolDictionaries:'' |
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privateIn:Scanner |
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! |
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!Scanner class methodsFor:'documentation'! |
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bugs |
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" |
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array constant containing keywords as in: |
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#( |
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foo:bar: |
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fee:baz: |
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) |
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is scanned as 4-element array containing ( #foo: #bar: #fee: #baz: ) |
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this MUST be fixed. |
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workaround: |
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#( |
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#'foo:bar:' |
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#'fee:baz:' |
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) |
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" |
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! |
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copyright |
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" |
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COPYRIGHT (c) 1989 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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Scanner reads from a stream and returns individual smalltalk tokens |
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Its main method is #nextToken, which reads and returns the next token |
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Possibly placing additional information (such as tokenValue) into |
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instance variables as a side effect. |
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TODO: |
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some testers noticed, that ST-80's scanner methods are called |
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xLetter, xDigit etc. For code using these (internals), the nextNumber, |
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nextIdentifier etc. methods should be renamed. |
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(to me, these seem to be internal private methods; |
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their public use is not a good idea ..) |
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|
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Scanner is typically subclassed for parsing and #nextToken |
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invoked via #self-sends. |
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This should be changed and scanner ought to be an instance variable |
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of Parser - this allows more flexible use of the scanner/parser |
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framework (i.e. changing the scanner without affecting the parser). |
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|
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[author:] |
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Claus Gittinger |
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|
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[see also:] |
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Parser |
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" |
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! ! |
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!Scanner class methodsFor:'initialization'! |
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binarySelectorCharacters |
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"return a collection of characters which are allowed in |
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binary selectors" |
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|
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^ #( $& $- $+ $= $* $/ $\ $< $> $~ $@ $, $? $!! $| $%) |
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|
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added #% as binop in typeTable.
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"Created: / 4.1.1997 / 14:13:24 / cg" |
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added #% as binop in typeTable.
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"Modified: / 27.2.1998 / 02:01:28 / cg" |
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! |
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|
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setupActions |
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"initialize the scanners actionTables - these are used to dispatch |
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into scanner methods as characters are read" |
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|block| |
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124 |
ActionArray := Array new:256. |
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TypeArray := Array new:256. |
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block := [:s :char | s nextNumber]. |
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($0 asciiValue) to:($9 asciiValue) do:[:index | |
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ActionArray at:index put:block |
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]. |
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block := [:s :char | s nextSpecial]. |
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self binarySelectorCharacters do:[:binop | |
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TypeArray at:(binop asciiValue) put:#special. |
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ActionArray at:(binop asciiValue) put:block |
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]. |
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"/ that one is a special case (both binarySelector AND syntax). |
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TypeArray at:($| asciiValue) put:nil. |
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|
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block := [:s :char | s nextToken:char]. |
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#( $; $. $( $) $[ $] "$!!" $^ $| $_ ) do:[:ch | |
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ActionArray at:(ch asciiValue) put:block |
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]. |
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AllowSqueakExtensions ifTrue:[ |
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ActionArray at:${ asciiValue put:block. |
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ActionArray at:$} asciiValue put:block. |
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]. |
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AllowQualifiedNames ifTrue:[ |
150 |
ActionArray at:$} asciiValue put:block. |
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151 |
]. |
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87 | 152 |
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block := [:s :char | s nextIdentifier]. |
154 |
($a asciiValue) to:($z asciiValue) do:[:index | |
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ActionArray at:index put:block |
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]. |
157 |
($A asciiValue) to:($Z asciiValue) do:[:index | |
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ActionArray at:index put:block |
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]. |
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AllowUnderscoreInIdentifier ifTrue:[ |
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ActionArray at:$_ asciiValue put:block |
71 | 162 |
]. |
33 | 163 |
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164 |
"kludge: action is characterToken, but type is special" |
|
165 |
TypeArray at:($| asciiValue) put:#special. |
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166 |
||
80 | 167 |
"kludge: action is nextColonOrAssign, but type is special" |
168 |
TypeArray at:($: asciiValue) put:#special. |
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169 |
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33 | 170 |
ActionArray at:($' asciiValue) put:[:s :char | s nextString]. |
171 |
ActionArray at:($$ asciiValue) put:[:s :char | s nextCharacter]. |
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172 |
ActionArray at:($# asciiValue) put:[:s :char | s nextHash]. |
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173 |
ActionArray at:($% asciiValue) put:[:s :char | s nextPrimitive]. |
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174 |
ActionArray at:($: asciiValue) put:[:s :char | s nextColonOrAssign] |
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175 |
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176 |
" |
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Scanner setupActions |
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" |
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"Modified: 23.5.1997 / 12:07:55 / cg" |
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! ! |
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!Scanner class methodsFor:'instance creation'! |
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185 |
for:aStringOrStream |
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"create & return a new scanner reading from aStringOrStream" |
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188 |
^ (super new) initializeFor:aStringOrStream |
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|
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"Modified: 23.5.1997 / 12:08:42 / cg" |
854 | 191 |
! |
192 |
||
193 |
new |
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194 |
"create & return a new scanner" |
|
195 |
||
859 | 196 |
^ self basicNew initialize. |
854 | 197 |
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198 |
"Modified: / 23.5.1997 / 12:08:42 / cg" |
|
199 |
"Created: / 26.5.1999 / 12:02:16 / stefan" |
|
141 | 200 |
! ! |
201 |
||
717 | 202 |
!Scanner class methodsFor:'Signal constants'! |
203 |
||
204 |
emptySourceNotificationSignal |
|
205 |
^ EmptySourceNotificationSignal |
|
206 |
||
207 |
"Created: / 16.5.1998 / 15:55:14 / cg" |
|
208 |
! ! |
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209 |
||
210 |
!Scanner class methodsFor:'class initialization'! |
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211 |
||
212 |
initialize |
|
213 |
"initialize the classes defaults. Typically, these are changed |
|
214 |
later in the 'private.rc' file." |
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215 |
||
216 |
EmptySourceNotificationSignal isNil ifTrue:[ |
|
217 |
EmptySourceNotificationSignal := QuerySignal new mayProceed:true. |
|
218 |
EmptySourceNotificationSignal notifierString:'empty source given to evaluate'. |
|
219 |
EmptySourceNotificationSignal nameClass:self message:#emptySourceNotificationSignal. |
|
220 |
]. |
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221 |
||
222 |
Warnings := true. |
|
1002
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223 |
WarnSTXSpecials := false. |
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|
224 |
WarnUnderscoreInIdentifier := false. |
717 | 225 |
WarnDollarInIdentifier := true. |
226 |
WarnOldStyleAssignment := true. |
|
227 |
WarnCommonMistakes := true. |
|
228 |
WarnPossibleIncompatibilities := false. |
|
1002
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229 |
|
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230 |
AllowUnderscoreInIdentifier := true. "/ underscores in identifiers |
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AllowDollarInIdentifier := false. "/ st80-vms dollars in identifiers |
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AllowSqueakExtensions := false. "/ squeak computed array |
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233 |
AllowQualifiedNames := false. "/ vw3 qualified names |
717 | 234 |
|
235 |
" |
|
236 |
self initialize |
|
237 |
" |
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238 |
||
239 |
"Modified: / 16.5.1998 / 15:55:41 / cg" |
|
240 |
! ! |
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241 |
||
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242 |
!Scanner class methodsFor:'defaults'! |
141 | 243 |
|
608 | 244 |
allowDollarInIdentifier |
245 |
"return true, if $-characters are allowed in identifiers. |
|
246 |
Notice, that dollars are NEVER allowed as the first character in an identifier." |
|
247 |
||
248 |
^ AllowDollarInIdentifier |
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249 |
||
250 |
"Created: 7.9.1997 / 01:32:18 / cg" |
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251 |
"Modified: 7.9.1997 / 01:39:44 / cg" |
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252 |
! |
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253 |
||
254 |
allowDollarInIdentifier:aBoolean |
|
255 |
"this allows turning on/off $-characters in identifiers. |
|
256 |
Notice, that dollars are NEVER allowed as the first character in an identifier. |
|
257 |
If turned off (the default), dollars are not allowed in identifiers, |
|
258 |
but instead are scanned as character-constant prefix. |
|
259 |
If turned on, dollars are in identifiers are allowed, while extra |
|
260 |
dollars are still scanned as constant character prefix. |
|
261 |
If you have to fileIn old VW-Vsn2.x classes, turn this off |
|
262 |
before filing them in; i.e.: |
|
263 |
Compiler allowDollarInIdentifiers:false" |
|
264 |
||
265 |
AllowDollarInIdentifier := aBoolean. |
|
266 |
self setupActions |
|
267 |
||
268 |
"Created: 7.9.1997 / 01:34:49 / cg" |
|
269 |
"Modified: 7.9.1997 / 01:39:30 / cg" |
|
270 |
! |
|
271 |
||
922
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allowQualifiedNames |
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"return true, if #{..} qualified names are allowed" |
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|
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^ AllowQualifiedNames |
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276 |
! |
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|
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allowQualifiedNames:aBoolean |
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"this allows turning on/off support for qualifiedNames #{ .., } as in vw3. |
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If you want to fileIn vw3 or later classes, enable this with: |
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Compiler allowQualifiedNames:true |
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Notice, that qualified names are not really supported semantically |
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(they are parsed, but treated like regular globals) |
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" |
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285 |
|
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AllowQualifiedNames := aBoolean. |
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self setupActions |
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|
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289 |
" |
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290 |
self allowQualifiedNames:true |
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self allowQualifiedNames:false |
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292 |
" |
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293 |
! |
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294 |
|
895 | 295 |
allowSqueakExtensions |
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"return true, if {..} computed arrays are allowed" |
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297 |
|
896 | 298 |
^ AllowSqueakExtensions |
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299 |
! |
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|
895 | 301 |
allowSqueakExtensions:aBoolean |
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"this allows turning on/off support for computed arrays { .., } as in squeak. |
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303 |
If you want to fileIn Squeak classes, enable this with: |
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Compiler allowSqueakComputedArrays:true" |
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305 |
|
896 | 306 |
AllowSqueakExtensions := aBoolean. |
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307 |
self setupActions |
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308 |
|
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309 |
" |
895 | 310 |
self allowSqueakExtensions:true |
311 |
self allowSqueakExtensions:false |
|
893
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312 |
" |
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313 |
! |
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314 |
|
141 | 315 |
allowUnderscoreInIdentifier |
316 |
"return true, if underscores are allowed in identifiers" |
|
317 |
||
318 |
^ AllowUnderscoreInIdentifier |
|
319 |
! |
|
320 |
||
321 |
allowUnderscoreInIdentifier:aBoolean |
|
322 |
"this allows turning on/off underscores in identifiers. |
|
323 |
If turned off (the default), underscores are not allowed in identifiers, |
|
324 |
but instead scanned as assignment character (old ST/80 syntax). |
|
325 |
If turned on, underscores are in identifiers are allowed, while extra |
|
326 |
underscores are still scanned as assignment. |
|
608 | 327 |
If you have to fileIn old VW-Vsn2.x classes, |
328 |
turn them off with: |
|
329 |
Compiler allowUnderscoreInIdentifiers:false" |
|
141 | 330 |
|
331 |
AllowUnderscoreInIdentifier := aBoolean. |
|
332 |
self setupActions |
|
608 | 333 |
|
334 |
"Modified: 7.9.1997 / 01:35:19 / cg" |
|
141 | 335 |
! |
336 |
||
310
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|
337 |
warnCommonMistakes |
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338 |
"return true, if common beginners mistakes are to be warned about" |
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|
339 |
|
1001 | 340 |
^ Warnings and:[WarnCommonMistakes] |
310
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|
341 |
! |
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|
342 |
|
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|
343 |
warnCommonMistakes:aBoolean |
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|
344 |
"this allows turning on/off warnings about common beginners mistakes. |
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|
345 |
Those are not really errors in the strict sense, but often lead to |
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|
346 |
run time errors later. |
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|
347 |
Examples are: expr or:expr2, where expr2 is not a block. |
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|
348 |
If you get bored by those warnings, turn them off by adding |
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|
349 |
a line as: |
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|
350 |
Compiler warnCommonMistakes:false |
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|
351 |
in your 'private.rc' file" |
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|
352 |
|
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|
353 |
WarnCommonMistakes := aBoolean |
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|
354 |
! |
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|
355 |
|
608 | 356 |
warnDollarInIdentifier |
357 |
"return true, if $-characters in identifiers are to be warned about" |
|
358 |
||
1001 | 359 |
^ Warnings and:[WarnDollarInIdentifier] |
608 | 360 |
|
361 |
"Created: 7.9.1997 / 01:36:17 / cg" |
|
362 |
! |
|
363 |
||
364 |
warnDollarInIdentifier:aBoolean |
|
365 |
"this allows turning on/off warnings about $-characters in identifiers. |
|
366 |
You may find those warnings useful, to make certain that your code |
|
367 |
is portable to other smalltalk versions, which do not allow this |
|
368 |
(i.e. VW releases 2.x and maybe others). |
|
369 |
Notice, that dollars are NEVER allowed as the first character in an identifier. |
|
370 |
If you get bored by those warnings, turn them off by adding |
|
371 |
a line as: |
|
372 |
Compiler warnDollarInIdentifier:false |
|
373 |
in your 'private.rc' file" |
|
374 |
||
375 |
WarnDollarInIdentifier := aBoolean |
|
376 |
||
377 |
"Created: 7.9.1997 / 01:37:42 / cg" |
|
378 |
"Modified: 7.9.1997 / 01:40:02 / cg" |
|
379 |
! |
|
380 |
||
141 | 381 |
warnOldStyleAssignment |
382 |
"return true, if underscore-assignment (pre ST-80v4 syntax) are to be warned about" |
|
383 |
||
1001 | 384 |
^ Warnings and:[WarnOldStyleAssignment] |
141 | 385 |
! |
386 |
||
387 |
warnOldStyleAssignment:aBoolean |
|
388 |
"this allows turning on/off warnings about underscore-assignment (pre ST-80v4 syntax). |
|
389 |
If you get bored by those warnings, turn them off by adding |
|
390 |
a line as: |
|
391 |
Compiler warnOldStyleAssignment:false |
|
392 |
in your 'private.rc' file" |
|
393 |
||
394 |
WarnOldStyleAssignment := aBoolean |
|
395 |
! |
|
396 |
||
526
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|
397 |
warnPossibleIncompatibilities |
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|
398 |
"return true, if possible incompatibilities (with other ST systems) |
adb8aed3a691
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changeset
|
399 |
are to be warned about" |
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changeset
|
400 |
|
1001 | 401 |
^ Warnings and:[WarnPossibleIncompatibilities] |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
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diff
changeset
|
402 |
|
adb8aed3a691
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diff
changeset
|
403 |
"Modified: 23.5.1997 / 12:02:02 / cg" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
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diff
changeset
|
404 |
! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
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parents:
505
diff
changeset
|
405 |
|
adb8aed3a691
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changeset
|
406 |
warnPossibleIncompatibilities:aBoolean |
adb8aed3a691
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parents:
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diff
changeset
|
407 |
"this turns warnings about possible incompatibilities (with other ST systems) |
adb8aed3a691
added compatibility warnings for '-' without whitespace
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diff
changeset
|
408 |
on or off. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
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505
diff
changeset
|
409 |
If you get bored by those warnings, turn them off by adding |
adb8aed3a691
added compatibility warnings for '-' without whitespace
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parents:
505
diff
changeset
|
410 |
a line as: |
adb8aed3a691
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parents:
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changeset
|
411 |
Compiler warnPossibleIncompatibilities:false |
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changeset
|
412 |
in your 'private.rc' file." |
adb8aed3a691
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changeset
|
413 |
|
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changeset
|
414 |
WarnPossibleIncompatibilities := aBoolean |
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changeset
|
415 |
|
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changeset
|
416 |
"Created: 23.5.1997 / 12:02:45 / cg" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
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diff
changeset
|
417 |
! |
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changeset
|
418 |
|
141 | 419 |
warnSTXSpecials |
420 |
"return true, if ST/X specials are to be warned about" |
|
421 |
||
1001 | 422 |
^ Warnings and:[WarnSTXSpecials] |
141 | 423 |
! |
424 |
||
425 |
warnSTXSpecials:aBoolean |
|
426 |
"this allows turning on/off warnings about stx specials. |
|
427 |
If you get bored by those warnings, turn them off by adding |
|
428 |
a line as: |
|
429 |
Compiler warnSTXSpecials:false |
|
430 |
in your 'private.rc' file" |
|
431 |
||
432 |
WarnSTXSpecials := aBoolean |
|
433 |
! |
|
434 |
||
435 |
warnUnderscoreInIdentifier |
|
436 |
"return true, if underscores in identifiers are to be warned about" |
|
437 |
||
1001 | 438 |
^ Warnings and:[WarnUnderscoreInIdentifier] |
141 | 439 |
! |
440 |
||
441 |
warnUnderscoreInIdentifier:aBoolean |
|
442 |
"this allows turning on/off warnings about underscores in identifiers. |
|
608 | 443 |
You may find those warnings useful, to make certain that your code |
444 |
is portable to other smalltalk versions, which do not allow this |
|
445 |
(i.e. VW releases 2.x). |
|
141 | 446 |
If you get bored by those warnings, turn them off by adding |
447 |
a line as: |
|
608 | 448 |
Compiler warnUnderscoreInIdentifier:false |
141 | 449 |
in your 'private.rc' file" |
450 |
||
451 |
WarnUnderscoreInIdentifier := aBoolean |
|
608 | 452 |
|
453 |
"Modified: 7.9.1997 / 01:37:13 / cg" |
|
141 | 454 |
! |
455 |
||
456 |
warnings |
|
457 |
"return true, if any warnings are to be shown" |
|
458 |
||
459 |
^ Warnings |
|
460 |
! |
|
461 |
||
462 |
warnings:aBoolean |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
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diff
changeset
|
463 |
"this allows turning on/off all warnings; the default is on. |
141 | 464 |
You can turn off warnings in your 'private.rc' file with |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
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parents:
505
diff
changeset
|
465 |
Compiler warnings:false |
141 | 466 |
" |
467 |
||
468 |
Warnings := aBoolean |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
469 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
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parents:
505
diff
changeset
|
470 |
"Modified: 23.5.1997 / 12:03:05 / cg" |
141 | 471 |
! ! |
472 |
||
737
4062aa740959
support for readSmalltalkSyntax
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parents:
717
diff
changeset
|
473 |
!Scanner class methodsFor:'utility scanning'! |
4062aa740959
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parents:
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diff
changeset
|
474 |
|
4062aa740959
support for readSmalltalkSyntax
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parents:
717
diff
changeset
|
475 |
scanNumberFrom:aStream |
4062aa740959
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Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
476 |
"utility - helper for Number>>readSmalltalkSyntaxFrom:" |
4062aa740959
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Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
477 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
478 |
^ self basicNew scanNumberFrom:aStream |
4062aa740959
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Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
479 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
480 |
" |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
481 |
|s| |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
482 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
483 |
s := '12345abcd' readStream. |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
484 |
Transcript showCR:(self scanNumberFrom:s). |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
485 |
Transcript showCR:(s upToEnd). |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
486 |
" |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
487 |
" |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
488 |
|s| |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
489 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
490 |
s := '16rffffxabcd' readStream. |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
491 |
Transcript showCR:(self scanNumberFrom:s). |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
492 |
Transcript showCR:(s upToEnd). |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
493 |
" |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
494 |
" |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
495 |
|s| |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
496 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
497 |
s := '1.2345abcd' readStream. |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
498 |
Transcript showCR:(self scanNumberFrom:s). |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
499 |
Transcript showCR:(s upToEnd). |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
500 |
" |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
501 |
" |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
502 |
|s| |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
503 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
504 |
s := '1.abcd' readStream. |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
505 |
Transcript showCR:(self scanNumberFrom:s). |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
506 |
Transcript showCR:(s upToEnd). |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
507 |
" |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
508 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
509 |
"Modified: / 18.6.1998 / 23:10:39 / cg" |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
510 |
! ! |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
511 |
|
1020 | 512 |
!Scanner methodsFor:'Compatibility - ST80'! |
98 | 513 |
|
514 |
endOfLastToken |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
515 |
"return the position of the token which was just read. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
516 |
This method was required by some PD program. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
517 |
It is not maintained and may be removed without notice." |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
518 |
|
98 | 519 |
^ source position |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
520 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
521 |
"Modified: 23.5.1997 / 12:14:27 / cg" |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
522 |
! |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
523 |
|
630 | 524 |
scan:aStringOrStream |
525 |
"initialize the scanner: set the source-stream and |
|
526 |
preread the first token" |
|
527 |
||
528 |
self initializeFor:aStringOrStream. |
|
529 |
self nextToken |
|
530 |
||
531 |
"Created: / 30.10.1997 / 16:59:39 / cg" |
|
532 |
! |
|
533 |
||
534 |
scanToken |
|
535 |
"read the next token from my input stream" |
|
536 |
||
537 |
^ self nextToken |
|
538 |
||
539 |
"Created: / 30.10.1997 / 17:00:16 / cg" |
|
540 |
! |
|
541 |
||
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
542 |
scanTokens:aStringOrStream |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
543 |
"return a collection of symbolic tokens from the passed input" |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
544 |
|
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
545 |
|tokens| |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
546 |
|
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
547 |
self initializeFor:aStringOrStream. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
548 |
tokens := OrderedCollection new. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
549 |
self nextToken. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
550 |
[token notNil] whileTrue:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
551 |
tokens add:token. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
552 |
self nextToken |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
553 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
554 |
^ tokens |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
555 |
|
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
556 |
" |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
557 |
Scanner new |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
558 |
scanTokens:'Boolean subclass:#True |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
559 |
instanceVariableNames:'''' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
560 |
classVariableNames:'''' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
561 |
poolDictionaries:'''' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
562 |
category:''Kernel-Objects'' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
563 |
' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
564 |
" |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
565 |
|
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
566 |
"Modified: 20.6.1997 / 18:22:58 / cg" |
98 | 567 |
! ! |
568 |
||
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
569 |
!Scanner methodsFor:'accessing'! |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
570 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
571 |
comments |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
572 |
"not yet implemented" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
573 |
|
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
574 |
^ currentComments |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
575 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
576 |
"Created: 20.4.1996 / 20:07:01 / cg" |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
577 |
"Modified: 23.5.1997 / 12:14:45 / cg" |
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
578 |
! |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
579 |
|
859 | 580 |
lineNumber |
581 |
^ lineNr |
|
582 |
! |
|
583 |
||
795 | 584 |
newSourceStream:aStream |
585 |
source := aStream. |
|
586 |
self nextToken. |
|
587 |
||
588 |
"Created: / 29.10.1998 / 21:59:33 / cg" |
|
589 |
! |
|
590 |
||
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
591 |
saveComments:aBoolean |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
592 |
"not yet implemented" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
593 |
|
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
594 |
saveComments := aBoolean |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
595 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
596 |
"Created: 20.4.1996 / 20:03:56 / cg" |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
597 |
"Modified: 23.5.1997 / 12:14:49 / cg" |
254
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
598 |
! |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
599 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
600 |
sourceStream |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
601 |
^ source |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
602 |
|
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
603 |
"Created: 20.4.1996 / 19:59:58 / cg" |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
604 |
! ! |
edfcf93d821f
changes to allow parsing for comments
Claus Gittinger <cg@exept.de>
parents:
241
diff
changeset
|
605 |
|
81 | 606 |
!Scanner methodsFor:'directives'! |
607 |
||
74 | 608 |
parseDirective |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
609 |
"parse a directive - this is an ST/X special" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
610 |
|
81 | 611 |
|directive packageName namespace list| |
74 | 612 |
|
613 |
source next. |
|
614 |
source skipSeparatorsExceptCR. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
615 |
hereChar := source peekOrNil. |
74 | 616 |
hereChar isLetter ifTrue:[ |
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
617 |
directive := source nextWord asLowercase. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
618 |
source peekOrNil == $: ifTrue:[ |
413 | 619 |
source next. |
620 |
source skipSeparatorsExceptCR. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
621 |
hereChar := source peekOrNil. |
74 | 622 |
|
413 | 623 |
" |
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
624 |
package: 'name-of-package' |
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
625 |
package: packageId |
413 | 626 |
" |
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
627 |
directive = 'package' ifTrue:[ |
413 | 628 |
packageName := self parseDirectiveStringArg. |
629 |
packageName notNil ifTrue:[ |
|
630 |
(requestor respondsTo:#setPackage:) ifTrue:[ |
|
631 |
requestor setPackage:packageName |
|
632 |
]. |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
633 |
] ifFalse:[ |
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
634 |
Transcript showCR:'unrecognized ''package'' directive'. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
635 |
^ false |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
636 |
] |
413 | 637 |
]. |
74 | 638 |
|
413 | 639 |
" |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
640 |
Namespace: 'nameSpaceIdentifier' |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
641 |
Namespace: nameSpaceIdentifier |
413 | 642 |
" |
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
643 |
(directive = 'namespace') ifTrue:[ |
413 | 644 |
namespace := self parseDirectiveStringArg. |
645 |
namespace notNil ifTrue:[ |
|
646 |
(requestor respondsTo:#setNameSpace:) ifTrue:[ |
|
647 |
requestor setNameSpace:namespace |
|
426
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
648 |
] ifFalse:[ |
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
649 |
self setNameSpace:namespace |
413 | 650 |
]. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
651 |
] ifFalse:[ |
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
652 |
Transcript showCR:'unrecognized ''namespace'' directive'. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
653 |
^ false |
413 | 654 |
]. |
655 |
]. |
|
81 | 656 |
|
413 | 657 |
" |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
658 |
Uses: 'nameSpace1', ... , 'nameSpaceN' |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
659 |
Uses: nameSpaceId1, ... , nameSpaceIdN |
413 | 660 |
" |
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
661 |
directive = 'uses' ifTrue:[ |
413 | 662 |
list := self parseDirectiveStringListArg. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
663 |
list notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
664 |
(requestor respondsTo:#addNameSpaces:) ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
665 |
requestor addNameSpaces:list |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
666 |
] |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
667 |
] ifFalse:[ |
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
668 |
Transcript showCR:'unrecognized ''uses'' directive'. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
669 |
^ false |
426
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
670 |
] |
413 | 671 |
]. |
672 |
||
673 |
" |
|
674 |
Prerequisites: 'name-of-package', ... , 'name-of-package' |
|
675 |
" |
|
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
676 |
directive = 'prerequisites' ifTrue:[ |
413 | 677 |
list := self parseDirectiveStringListArg. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
678 |
list notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
679 |
(requestor respondsTo:#requirePackages:) ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
680 |
requestor requirePackages:list |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
681 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
682 |
] ifFalse:[ |
947
5d1d5931e9ee
ignore case in package, uses etc. directive
Claus Gittinger <cg@exept.de>
parents:
923
diff
changeset
|
683 |
Transcript showCR:'unrecognized ''prerequisites'' directive'. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
684 |
^ false |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
685 |
] |
413 | 686 |
]. |
687 |
] |
|
74 | 688 |
]. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
689 |
hereChar := source peekOrNil. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
690 |
^ true. |
413 | 691 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
692 |
"Modified: / 5.3.1998 / 02:55:32 / cg" |
141 | 693 |
! |
694 |
||
695 |
parseDirectiveStringArg |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
696 |
"helper for parsing a directive" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
697 |
|
141 | 698 |
hereChar == $' ifTrue:[ |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
699 |
self nextString. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
700 |
tokenType == #String ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
701 |
^ tokenValue |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
702 |
] |
141 | 703 |
]. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
704 |
(hereChar isLetter or:[hereChar == $_]) ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
705 |
self nextIdentifier. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
706 |
tokenType == #Identifier ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
707 |
^ tokenName |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
708 |
] |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
709 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
710 |
|
141 | 711 |
^ nil |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
712 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
713 |
"Modified: 23.5.1997 / 12:15:46 / cg" |
141 | 714 |
! |
715 |
||
716 |
parseDirectiveStringListArg |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
717 |
"helper for parsing a directive" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
718 |
|
141 | 719 |
|list| |
720 |
||
721 |
list := OrderedCollection new. |
|
722 |
||
723 |
[hereChar == $'] whileTrue:[ |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
724 |
list addLast:self parseDirectiveStringArg. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
725 |
source skipSeparatorsExceptCR. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
726 |
hereChar := source peekOrNil. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
727 |
(hereChar == $,) ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
728 |
source next. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
729 |
source skipSeparatorsExceptCR. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
730 |
hereChar := source peekOrNil. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
731 |
]. |
141 | 732 |
]. |
733 |
^ list |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
734 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
735 |
"Modified: / 5.3.1998 / 02:55:40 / cg" |
0 | 736 |
! ! |
737 |
||
659
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
738 |
!Scanner methodsFor:'dummy - syntax highlighting'! |
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
739 |
|
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
740 |
markCommentFrom:pos1 to:pos2 |
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
741 |
|
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
742 |
"Created: / 31.3.1998 / 13:34:45 / cg" |
661 | 743 |
! |
744 |
||
671 | 745 |
markConstantFrom:pos1 to:pos2 |
746 |
||
747 |
"Created: / 1.4.1998 / 13:02:56 / cg" |
|
748 |
! |
|
749 |
||
661 | 750 |
markStringFrom:pos1 to:pos2 |
751 |
||
752 |
"Created: / 31.3.1998 / 16:37:18 / cg" |
|
671 | 753 |
! |
754 |
||
755 |
markSymbolFrom:pos1 to:pos2 |
|
756 |
||
757 |
"Created: / 1.4.1998 / 12:58:42 / cg" |
|
659
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
758 |
! ! |
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
759 |
|
0 | 760 |
!Scanner methodsFor:'error handling'! |
761 |
||
709 | 762 |
correctableError:message position:pos1 to:pos2 |
763 |
"report an error which can be corrected by compiler - |
|
874 | 764 |
return non-false, if correction is wanted (there is more than |
765 |
true/false returned here)" |
|
709 | 766 |
|
767 |
|correctIt| |
|
768 |
||
769 |
requestor isNil ifTrue:[ |
|
828 | 770 |
"/ self showErrorMessage:message position:pos1. |
771 |
correctIt := false |
|
709 | 772 |
] ifFalse:[ |
828 | 773 |
correctIt := requestor correctableError:message position:pos1 to:pos2 from:self |
709 | 774 |
]. |
873 | 775 |
correctIt == false ifTrue:[ |
828 | 776 |
exitBlock notNil ifTrue:[exitBlock value] |
709 | 777 |
]. |
778 |
^ correctIt |
|
779 |
||
780 |
"Created: / 13.5.1998 / 16:45:56 / cg" |
|
781 |
! |
|
782 |
||
1023 | 783 |
correctableSelectorWarning:message position:pos1 to:pos2 |
784 |
"report a warning which can be corrected by compiler - |
|
785 |
return non-false, if correction is wanted (there is more than |
|
786 |
true/false returned here)" |
|
787 |
||
788 |
|correctIt| |
|
789 |
||
790 |
requestor isNil ifTrue:[ |
|
791 |
correctIt := false |
|
792 |
] ifFalse:[ |
|
793 |
correctIt := requestor correctableSelectorWarning:message position:pos1 to:pos2 from:self |
|
794 |
]. |
|
795 |
correctIt == false ifTrue:[ |
|
796 |
exitBlock notNil ifTrue:[exitBlock value] |
|
797 |
]. |
|
798 |
^ correctIt |
|
799 |
||
800 |
"Created: / 19.1.2000 / 16:28:03 / cg" |
|
801 |
! |
|
802 |
||
1073 | 803 |
errorMessagePrefix |
804 |
^ 'Error:' |
|
805 |
! |
|
806 |
||
431
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
807 |
lastTokenLineNumber |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
808 |
"return the line number of the token which was just read." |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
809 |
|
431
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
810 |
^ tokenLineNr |
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
811 |
|
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
812 |
"Created: 8.11.1996 / 18:46:36 / cg" |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
813 |
"Modified: 23.5.1997 / 12:16:12 / cg" |
431
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
814 |
! |
058e1ce760ea
added access to lastTokenLineNr
Claus Gittinger <cg@exept.de>
parents:
426
diff
changeset
|
815 |
|
0 | 816 |
notifyError:aMessage position:position to:endPos |
817 |
"notify requestor of an error - if there is no requestor |
|
53 | 818 |
put it on the transcript. Requestor is typically the CodeView |
819 |
in which the accept/doIt was triggered, or the PositionableStream |
|
820 |
which does the fileIn. The requestor may decide how to highlight the |
|
821 |
error (and/or to abort the compile). |
|
0 | 822 |
Return the result passed back by the requestor." |
823 |
||
53 | 824 |
ignoreErrors ifFalse:[ |
825 |
requestor isNil ifTrue:[ |
|
826 |
self showErrorMessage:aMessage position:position. |
|
827 |
^ false |
|
828 |
]. |
|
83 | 829 |
^ requestor error:aMessage position:position to:endPos from:self |
0 | 830 |
]. |
53 | 831 |
^ false |
0 | 832 |
! |
833 |
||
834 |
notifyWarning:aMessage position:position to:endPos |
|
835 |
"notify requestor of an warning - if there is no requestor |
|
836 |
put it on the transcript. |
|
837 |
Return the result passed back by the requestor." |
|
838 |
||
53 | 839 |
ignoreWarnings ifFalse:[ |
828 | 840 |
requestor isNil ifTrue:[ |
841 |
"/ self showErrorMessage:aMessage position:position. |
|
842 |
^ false |
|
843 |
]. |
|
844 |
^ requestor warning:aMessage position:position to:endPos from:self |
|
0 | 845 |
]. |
53 | 846 |
^ false |
0 | 847 |
! |
848 |
||
709 | 849 |
parseError:aMessage |
850 |
"report an error" |
|
851 |
||
852 |
^ self parseError:aMessage position:tokenPosition to:nil |
|
853 |
||
854 |
"Created: / 13.5.1998 / 16:45:13 / cg" |
|
855 |
! |
|
856 |
||
857 |
parseError:aMessage position:position |
|
858 |
"report an error" |
|
859 |
||
860 |
^ self parseError:aMessage position:position to:nil |
|
861 |
||
862 |
"Created: / 13.5.1998 / 16:45:05 / cg" |
|
863 |
! |
|
864 |
||
865 |
parseError:aMessage position:position to:endPos |
|
866 |
"report an error" |
|
867 |
||
868 |
|m| |
|
869 |
||
870 |
errorFlag := true. |
|
1073 | 871 |
m := (self errorMessagePrefix) , ' ' , (aMessage ? '???'). |
709 | 872 |
self notifyError:m position:position to:endPos. |
873 |
exitBlock notNil ifTrue:[exitBlock value]. |
|
874 |
^ false |
|
875 |
||
876 |
"Created: / 13.5.1998 / 16:44:55 / cg" |
|
783
611d7b234115
care for nil error message (can happen when lastError is nil
Claus Gittinger <cg@exept.de>
parents:
737
diff
changeset
|
877 |
"Modified: / 28.9.1998 / 19:29:27 / cg" |
709 | 878 |
! |
879 |
||
141 | 880 |
showErrorMessage:aMessage position:pos |
881 |
"show an errormessage on the Transcript" |
|
0 | 882 |
|
141 | 883 |
ignoreErrors ifFalse:[ |
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
884 |
Smalltalk silentLoading == true ifFalse:[ |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
885 |
Transcript showCR:(pos printString , ' [line: ' , tokenLineNr printString , '] ' , aMessage) |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
886 |
] |
141 | 887 |
] |
274 | 888 |
|
889 |
"Modified: 18.5.1996 / 15:44:35 / cg" |
|
141 | 890 |
! |
891 |
||
892 |
syntaxError:aMessage |
|
893 |
"a syntax error happened - position is not known" |
|
894 |
||
895 |
^ self syntaxError:aMessage position:tokenPosition |
|
0 | 896 |
! |
897 |
||
898 |
syntaxError:aMessage position:position |
|
899 |
"a syntax error happened - only start position is known" |
|
900 |
||
901 |
^ self syntaxError:aMessage position:position to:nil |
|
902 |
! |
|
903 |
||
141 | 904 |
syntaxError:aMessage position:position to:endPos |
905 |
"a syntax error happened" |
|
0 | 906 |
|
1073 | 907 |
self notifyError:((self errorMessagePrefix) , ' ' , aMessage) position:position to:endPos. |
141 | 908 |
exitBlock notNil ifTrue:[exitBlock value]. |
909 |
^ false |
|
87 | 910 |
! |
911 |
||
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
912 |
warnCommonMistake:msg at:position |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
913 |
"warn about a common beginners mistake" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
914 |
|
311 | 915 |
self warnCommonMistake:msg position:position to:position |
916 |
||
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
917 |
"Modified: 23.5.1997 / 12:16:34 / cg" |
311 | 918 |
! |
919 |
||
920 |
warnCommonMistake:msg position:pos1 to:pos2 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
921 |
"warn about a common beginners mistake" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
922 |
|
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
923 |
ignoreWarnings ifFalse:[ |
311 | 924 |
warnCommonMistakes ifTrue:[ |
925 |
self |
|
926 |
warning:msg |
|
927 |
position:pos1 to:pos2. |
|
928 |
] |
|
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
929 |
] |
311 | 930 |
|
931 |
"Created: 18.7.1996 / 10:28:38 / cg" |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
932 |
"Modified: 23.5.1997 / 12:16:39 / cg" |
310
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
933 |
! |
27ed956b591e
beginners common error warnings
Claus Gittinger <cg@exept.de>
parents:
288
diff
changeset
|
934 |
|
608 | 935 |
warnDollarAt:position |
936 |
"warn about $-character in an identifier" |
|
937 |
||
938 |
ignoreWarnings ifFalse:[ |
|
939 |
warnDollarInIdentifier ifTrue:[ |
|
940 |
self |
|
941 |
warning:'$-characters in identifiers/symbols are nonportable' |
|
942 |
position:position to:position. |
|
943 |
" |
|
944 |
only warn once (per method) |
|
945 |
" |
|
946 |
warnDollarInIdentifier := false |
|
947 |
] |
|
948 |
] |
|
949 |
||
950 |
"Created: 7.9.1997 / 01:50:24 / cg" |
|
951 |
"Modified: 7.9.1997 / 01:51:13 / cg" |
|
952 |
! |
|
953 |
||
87 | 954 |
warnOldStyleAssignmentAt:position |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
955 |
"warn about an oldStyle assignment" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
956 |
|
87 | 957 |
ignoreWarnings ifFalse:[ |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
958 |
warnOldStyleAssignment ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
959 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
960 |
warning:'old style assignment - please change to use '':=''' |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
961 |
position:position to:position. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
962 |
" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
963 |
only warn once (per method) |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
964 |
" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
965 |
warnOldStyleAssignment := false |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
966 |
] |
87 | 967 |
] |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
968 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
969 |
"Modified: 23.5.1997 / 12:16:48 / cg" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
970 |
! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
971 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
972 |
warnPossibleIncompatibility:msg position:pos1 to:pos2 |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
973 |
"warn about a possible incompatibility with other ST systems" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
974 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
975 |
ignoreWarnings ifFalse:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
976 |
warnPossibleIncompatibilities ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
977 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
978 |
warning:('Possible incompatibility.\\' , msg) withCRs |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
979 |
position:pos1 to:pos2. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
980 |
] |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
981 |
] |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
982 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
983 |
"Created: 23.5.1997 / 12:17:54 / cg" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
984 |
"Modified: 23.5.1997 / 12:22:37 / cg" |
87 | 985 |
! |
986 |
||
987 |
warnUnderscoreAt:position |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
988 |
"warn about an underscore in an identifier" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
989 |
|
87 | 990 |
ignoreWarnings ifFalse:[ |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
991 |
warnUnderscoreInIdentifier ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
992 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
993 |
warning:'underscores in identifiers/symbols are nonportable' |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
994 |
position:position to:position. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
995 |
" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
996 |
only warn once (per method) |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
997 |
" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
998 |
warnUnderscoreInIdentifier := false |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
999 |
] |
87 | 1000 |
] |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1001 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1002 |
"Modified: 23.5.1997 / 12:17:06 / cg" |
141 | 1003 |
! |
1004 |
||
1005 |
warning:aMessage |
|
1006 |
"a warning - position is not known" |
|
1007 |
||
1008 |
^ self warning:aMessage position:tokenPosition |
|
1009 |
! |
|
1010 |
||
1011 |
warning:aMessage position:position |
|
1012 |
"a warning - only start position is known" |
|
1013 |
||
1014 |
^ self warning:aMessage position:position to:nil |
|
1015 |
! |
|
1016 |
||
1017 |
warning:aMessage position:position to:endPos |
|
1018 |
"a warning" |
|
1019 |
||
1073 | 1020 |
^ self notifyWarning:((self warningMessagePrefix) , ' ' , aMessage) position:position to:endPos |
1021 |
! |
|
1022 |
||
1023 |
warningMessagePrefix |
|
1024 |
^ 'Warning:' |
|
0 | 1025 |
! ! |
1026 |
||
17 | 1027 |
!Scanner methodsFor:'general scanning'! |
1028 |
||
737
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1029 |
scanNumberFrom:aStringOrStream |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1030 |
"scan aSourceString for the next number in smalltalk syntax |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1031 |
Return the number or nil." |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1032 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1033 |
|oldPos| |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1034 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1035 |
self initializeFor:aStringOrStream. |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1036 |
oldPos := source position. |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1037 |
self nextToken. |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1038 |
(tokenType == #Integer or:[tokenType == #Float]) ifTrue:[ |
996
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1039 |
"/ must keep stream positioned correctly |
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1040 |
"/ (undo lookahead) |
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1041 |
peekChar notNil ifTrue:[ |
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1042 |
peekChar2 notNil ifTrue:[ |
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1043 |
source skip:-1 |
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1044 |
]. |
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1045 |
source skip:-1 |
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1046 |
]. |
737
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1047 |
^ tokenValue |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1048 |
]. |
996
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1049 |
"/ backup in case of error; return nil |
737
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1050 |
source position:oldPos. |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1051 |
^ nil. |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1052 |
|
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1053 |
"Created: / 18.6.1998 / 23:05:22 / cg" |
996
53dbf13d1aa0
keep stream positioned correctly after scanNumberFrom:
Claus Gittinger <cg@exept.de>
parents:
983
diff
changeset
|
1054 |
"Modified: / 19.11.1999 / 18:25:52 / cg" |
737
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1055 |
! |
4062aa740959
support for readSmalltalkSyntax
Claus Gittinger <cg@exept.de>
parents:
717
diff
changeset
|
1056 |
|
17 | 1057 |
scanPositionsFor:aTokenString inString:aSourceString |
1058 |
"scan aSourceString for occurrances of aTokenString. |
|
1059 |
Return a collection of start positions. |
|
1060 |
Added for VW compatibility (to support syntax-highlight)." |
|
1061 |
||
1062 |
|searchType searchName searchValue positions t| |
|
1063 |
||
1064 |
" |
|
1065 |
first, look what kind of token we have to search for |
|
1066 |
" |
|
1067 |
self initializeFor:(ReadStream on:aTokenString). |
|
1068 |
self nextToken. |
|
1069 |
searchType := tokenType. |
|
1070 |
searchName := tokenName. |
|
1071 |
searchValue := tokenValue. |
|
1072 |
||
1073 |
" |
|
1074 |
start the real work ... |
|
1075 |
" |
|
1076 |
self initializeFor:(ReadStream on:aSourceString). |
|
1077 |
positions := OrderedCollection new. |
|
1078 |
||
1079 |
[(t := self nextToken) ~~ #EOF] whileTrue:[ |
|
45 | 1080 |
searchType == t ifTrue:[ |
1081 |
(searchName isNil or:[tokenName = searchName]) ifTrue:[ |
|
1082 |
(searchValue isNil or:[tokenValue = searchValue]) ifTrue:[ |
|
1083 |
positions add:tokenPosition. |
|
1084 |
] |
|
1085 |
] |
|
1086 |
] |
|
17 | 1087 |
]. |
1088 |
||
1089 |
^ positions |
|
1090 |
||
1091 |
" |
|
30 | 1092 |
Scanner new scanPositionsFor:'hello' inString:'foo bar hello baz hello' |
1093 |
Scanner new scanPositionsFor:'3.14' inString:'foo 3.145 bar hello 3.14 baz hello 3.14' |
|
1094 |
Scanner new scanPositionsFor:'16' inString:'foo 16 bar hello 16r10 baz hello 2r10000' |
|
17 | 1095 |
" |
1096 |
! ! |
|
1097 |
||
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1098 |
!Scanner methodsFor:'initialization'! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1099 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1100 |
initialize |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1101 |
"initialize the scanner" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1102 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1103 |
errorFlag := false. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1104 |
tokenPosition := 1. |
610 | 1105 |
tokenLineNr := lineNr := 1. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1106 |
currentComments := nil. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1107 |
saveComments := false. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1108 |
ignoreErrors := false. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1109 |
ignoreWarnings := Warnings not. |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1110 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1111 |
warnSTXSpecialComment := WarnSTXSpecials. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1112 |
warnSTXNameSpaceUse := WarnSTXSpecials. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1113 |
warnUnderscoreInIdentifier := WarnUnderscoreInIdentifier. |
608 | 1114 |
warnDollarInIdentifier := WarnDollarInIdentifier. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1115 |
warnOldStyleAssignment := WarnOldStyleAssignment. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1116 |
warnCommonMistakes := WarnCommonMistakes. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1117 |
warnPossibleIncompatibilities := WarnPossibleIncompatibilities. |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1118 |
|
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1119 |
allowUnderscoreInIdentifier := AllowUnderscoreInIdentifier. |
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1120 |
allowDollarInIdentifier := AllowDollarInIdentifier. |
900 | 1121 |
|
1122 |
"/ not used here, but eases subclassing for other languages. |
|
1123 |
scanColonAsKeyword := true. |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1124 |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1125 |
ActionArray isNil ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1126 |
self class setupActions |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1127 |
]. |
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1128 |
actionArray := ActionArray. |
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1129 |
typeArray := TypeArray. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1130 |
|
785
14d0ec37a754
added hook for subclasses which do not want to scan
Claus Gittinger <cg@exept.de>
parents:
783
diff
changeset
|
1131 |
"Modified: / 17.10.1998 / 15:48:06 / cg" |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1132 |
! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1133 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1134 |
initializeFor:aStringOrStream |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1135 |
"initialize the new scanner & prepare for reading from aStringOrStream" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1136 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1137 |
self initialize. |
847 | 1138 |
self source:aStringOrStream. |
1139 |
! |
|
1140 |
||
1141 |
source:aStringOrStream |
|
1142 |
"prepare for reading from aStringOrStream" |
|
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1143 |
|
854 | 1144 |
errorFlag := false. |
1145 |
tokenPosition := 1. |
|
1146 |
tokenLineNr := lineNr := 1. |
|
1147 |
currentComments := nil. |
|
1148 |
||
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1149 |
aStringOrStream isStream ifFalse:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1150 |
source := ReadStream on:aStringOrStream |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1151 |
] ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1152 |
source := aStringOrStream. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1153 |
]. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1154 |
|
854 | 1155 |
"Modified: / 26.5.1999 / 12:02:16 / stefan" |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1156 |
! ! |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1157 |
|
141 | 1158 |
!Scanner methodsFor:'private'! |
3 | 1159 |
|
141 | 1160 |
backupPosition |
1161 |
"if reading from a stream, at the end we might have read |
|
1162 |
one token too many" |
|
20 | 1163 |
|
141 | 1164 |
(tokenType == #EOF) ifFalse:[ |
1165 |
source position:tokenPosition |
|
1166 |
] |
|
1167 |
! |
|
15 | 1168 |
|
141 | 1169 |
beginComment |
1170 |
^ self |
|
1171 |
! |
|
1172 |
||
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1173 |
checkForKeyword:string |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1174 |
"check if string is a keyword (as opposed to an identifier). |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1175 |
That is, its one of 'self', 'super', 'nil', 'true', 'false', |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1176 |
or 'thisContext'. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1177 |
'here' is handled elsewhere (since it must be treated as an |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1178 |
identifier, if declared locally." |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1179 |
|
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1180 |
|firstChar| |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1181 |
|
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1182 |
firstChar := string at:1. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1183 |
(firstChar == $s) ifTrue:[ |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1184 |
(string = 'self') ifTrue:[tokenType := #Self. ^true]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1185 |
(string = 'super') ifTrue:[tokenType := #Super. ^true] |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1186 |
]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1187 |
(firstChar == $n) ifTrue:[ |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1188 |
(string = 'nil') ifTrue:[tokenType := #Nil. ^true] |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1189 |
]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1190 |
(firstChar == $t) ifTrue:[ |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1191 |
(string = 'true') ifTrue:[tokenType := #True. ^true]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1192 |
(string = 'thisContext') ifTrue:[tokenType := #ThisContext. ^true] |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1193 |
]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1194 |
(firstChar == $f) ifTrue:[ |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1195 |
(string = 'false') ifTrue:[tokenType := #False. ^true] |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1196 |
]. |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1197 |
^ false |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1198 |
|
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1199 |
"Modified: / 13.5.1998 / 14:59:55 / cg" |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1200 |
! |
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1201 |
|
141 | 1202 |
collectedSource |
1203 |
^ collectedSource |
|
1204 |
! |
|
74 | 1205 |
|
141 | 1206 |
endComment:comment |
1207 |
saveComments ifTrue:[ |
|
1208 |
currentComments isNil ifTrue:[ |
|
1209 |
currentComments := OrderedCollection with:comment |
|
45 | 1210 |
] ifFalse:[ |
141 | 1211 |
currentComments add:comment |
45 | 1212 |
] |
3 | 1213 |
]. |
1214 |
! |
|
1215 |
||
648 | 1216 |
endComment:commentString type:commentType |
1217 |
|comment| |
|
1218 |
||
1219 |
saveComments ifTrue:[ |
|
1220 |
comment := Comment new. |
|
1221 |
comment commentString:commentString; commentType:commentType. |
|
1222 |
||
1223 |
currentComments isNil ifTrue:[ |
|
1224 |
currentComments := OrderedCollection with:comment |
|
1225 |
] ifFalse:[ |
|
1226 |
currentComments add:comment |
|
1227 |
] |
|
1228 |
]. |
|
1229 |
||
1230 |
"Created: / 17.2.1998 / 14:48:49 / cg" |
|
1231 |
! |
|
1232 |
||
141 | 1233 |
ignoreErrors |
1234 |
"turn off notification of errors" |
|
1235 |
||
1236 |
ignoreErrors := true |
|
1237 |
! |
|
0 | 1238 |
|
141 | 1239 |
ignoreWarnings |
1240 |
"turn off notification of warnings" |
|
1241 |
||
1242 |
ignoreWarnings := true |
|
1243 |
! |
|
0 | 1244 |
|
714 | 1245 |
isCommentCharacter:ch |
1246 |
"return true, if ch is the comment-start character. |
|
1247 |
Brought into a separate method to allow for easier subclassing" |
|
1248 |
||
1249 |
^ ch == $" |
|
1250 |
||
1251 |
"Created: / 14.5.1998 / 20:51:42 / cg" |
|
1252 |
"Modified: / 14.5.1998 / 20:53:01 / cg" |
|
1253 |
! |
|
1254 |
||
141 | 1255 |
notifying:anObject |
1256 |
"set the requestor to be notified" |
|
1257 |
||
1258 |
requestor := anObject |
|
426
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1259 |
! |
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1260 |
|
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1261 |
setNameSpace:aNameSpace |
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1262 |
"/ ignored here |
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1263 |
|
871231a532fc
remember nameSpace as scanned from directive
Claus Gittinger <cg@exept.de>
parents:
417
diff
changeset
|
1264 |
"Created: 8.11.1996 / 13:33:10 / cg" |
141 | 1265 |
! ! |
1266 |
||
1267 |
!Scanner methodsFor:'reading next token'! |
|
1268 |
||
1269 |
nextCharacter |
|
1270 |
"a $ has been read - return a character token" |
|
1271 |
||
1103
b75a71996388
ensure that token follows tomeName & tokenValue
Claus Gittinger <cg@exept.de>
parents:
1102
diff
changeset
|
1272 |
|nextChar t| |
141 | 1273 |
|
0 | 1274 |
source next. |
141 | 1275 |
nextChar := source next. |
1276 |
nextChar notNil ifTrue:[ |
|
1103
b75a71996388
ensure that token follows tomeName & tokenValue
Claus Gittinger <cg@exept.de>
parents:
1102
diff
changeset
|
1277 |
t := nextChar. |
671 | 1278 |
tokenType := #Character. |
141 | 1279 |
] ifFalse:[ |
1103
b75a71996388
ensure that token follows tomeName & tokenValue
Claus Gittinger <cg@exept.de>
parents:
1102
diff
changeset
|
1280 |
t := nil. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1281 |
tokenType := #EOF |
141 | 1282 |
]. |
1103
b75a71996388
ensure that token follows tomeName & tokenValue
Claus Gittinger <cg@exept.de>
parents:
1102
diff
changeset
|
1283 |
tokenValue := token := t. |
0 | 1284 |
^ tokenType |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1285 |
|
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1286 |
"Modified: / 13.5.1998 / 15:09:50 / cg" |
0 | 1287 |
! |
1288 |
||
1289 |
nextColonOrAssign |
|
1290 |
"colon has been read - look for = to make it an assign" |
|
1291 |
||
120 | 1292 |
"/ special kludge for identifier:= (without spaces inbetween) |
1293 |
"/ here we needed two characters lookahead after the identifier ... |
|
1294 |
||
1295 |
peekChar == $= ifTrue:[ |
|
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1296 |
source next. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1297 |
peekChar := nil. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1298 |
tokenType := token := #':='. |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1299 |
^ tokenType |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1300 |
]. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1301 |
|
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1302 |
"/ special kludge for nameSpace:: (without spaces inbetween) |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1303 |
"/ here we needed two characters lookahead after the identifier ... |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1304 |
|
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1305 |
peekChar == $: ifTrue:[ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1306 |
source next. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1307 |
peekChar := nil. |
1027
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1308 |
tokenType := token := #'::'. |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1309 |
^ tokenType |
120 | 1310 |
]. |
1311 |
||
0 | 1312 |
(source nextPeek == $=) ifTrue:[ |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1313 |
source next. |
1004
708e1ca35c3b
dont unify := and _ tokens (otherwise, highlighter would not know
Claus Gittinger <cg@exept.de>
parents:
1002
diff
changeset
|
1314 |
tokenType := token := #':=' |
0 | 1315 |
] ifFalse:[ |
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1316 |
tokenType := token := $: |
0 | 1317 |
]. |
1318 |
^ tokenType |
|
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1319 |
|
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1320 |
"Modified: / 13.5.1998 / 15:10:04 / cg" |
0 | 1321 |
! |
1322 |
||
141 | 1323 |
nextHash |
1026 | 1324 |
"a # has been read - return a symbol, HashLeftParen (for '#('), |
1325 |
#HashLeftBrack (for '#['), or HashLeftBrace (for '#{' and AllowQualifiedNames)" |
|
1326 |
||
500 | 1327 |
|nextChar string part| |
0 | 1328 |
|
141 | 1329 |
nextChar := source nextPeek. |
1330 |
nextChar notNil ifTrue:[ |
|
620 | 1331 |
(nextChar isLetterOrDigit |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1332 |
or:[(allowUnderscoreInIdentifier == true) and:[nextChar == $_]]) ifTrue:[ |
500 | 1333 |
string := ''. |
1334 |
[nextChar notNil |
|
1335 |
and:[nextChar isLetterOrDigit |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1336 |
or:[allowUnderscoreInIdentifier == true |
500 | 1337 |
and:[nextChar == $_]] |
1338 |
] |
|
1339 |
] whileTrue:[ |
|
1340 |
part := source nextAlphaNumericWord. |
|
1341 |
part notNil ifTrue:[ |
|
1342 |
string := string , part. |
|
1343 |
]. |
|
1344 |
nextChar := source peek. |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1345 |
allowUnderscoreInIdentifier == true ifTrue:[ |
500 | 1346 |
nextChar == $_ ifTrue:[ |
1347 |
self warnUnderscoreAt:source position. |
|
1348 |
]. |
|
1349 |
[nextChar == $_] whileTrue:[ |
|
1350 |
string := string copyWith:nextChar. |
|
1351 |
nextChar := source nextPeek. |
|
1352 |
(nextChar isAlphaNumeric) ifTrue:[ |
|
1353 |
string := string , source nextAlphaNumericWord. |
|
1354 |
nextChar := source peek. |
|
1355 |
] |
|
1356 |
]. |
|
1357 |
]. |
|
1358 |
(nextChar == $:) ifFalse:[ |
|
671 | 1359 |
self markSymbolFrom:tokenPosition to:(source position-1). |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1360 |
tokenValue := token := string asSymbol. |
500 | 1361 |
tokenType := #Symbol. |
1362 |
^ tokenType |
|
1363 |
]. |
|
1364 |
string := string copyWith:nextChar. |
|
1365 |
nextChar := source nextPeek |
|
1366 |
]. |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1367 |
tokenValue := token := string asSymbol. |
500 | 1368 |
tokenType := #Symbol. |
1369 |
^ tokenType |
|
1370 |
]. |
|
1371 |
(nextChar == $( ) ifTrue:[ |
|
1372 |
source next. |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1373 |
token := '#('. |
500 | 1374 |
tokenType := #HashLeftParen. |
1375 |
^ tokenType |
|
1376 |
]. |
|
922
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1377 |
|
500 | 1378 |
(nextChar == $[ ) ifTrue:[ |
922
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1379 |
"ST-80 & ST/X support Constant ByteArrays as #[...]" |
500 | 1380 |
source next. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1381 |
token := '#['. |
500 | 1382 |
tokenType := #HashLeftBrack. |
1383 |
^ tokenType |
|
1384 |
]. |
|
922
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1385 |
|
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1386 |
(nextChar == ${ ) ifTrue:[ |
1074 | 1387 |
" ${ ... } is one of: |
1388 |
${ Foo.Bar.Baz } VW3 and later qualified name |
|
1389 |
${ xx-xx-xx-xx-...-xx } StAgents UUID |
|
1390 |
${ URL } url object qualifier |
|
1391 |
" |
|
1102 | 1392 |
AllowQualifiedNames ifTrue:[ |
922
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1393 |
"VW3 and later supports QualifiedNames as #{ id ... id }" |
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1394 |
source next. |
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1395 |
token := '#{'. |
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1396 |
tokenType := #HashLeftBrace. |
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1397 |
^ tokenType |
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1398 |
] |
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1399 |
]. |
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1400 |
|
500 | 1401 |
(nextChar == $' ) ifTrue:[ |
922
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1402 |
"ST-80 and ST/X support arbitrary symbols as #'...'" |
500 | 1403 |
self nextString. |
671 | 1404 |
self markSymbolFrom:tokenPosition to:(source position-1). |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1405 |
tokenValue := token := tokenValue asSymbol. |
500 | 1406 |
tokenType := #Symbol. |
1407 |
^ tokenType |
|
1408 |
]. |
|
922
77c58cc5bebc
support for vw3 qualifiedNames
Claus Gittinger <cg@exept.de>
parents:
921
diff
changeset
|
1409 |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1410 |
((typeArray at:(nextChar asciiValue)) == #special) ifTrue:[ |
500 | 1411 |
string := source next asString. |
1412 |
nextChar := source peek. |
|
1413 |
nextChar notNil ifTrue:[ |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1414 |
((typeArray at:(nextChar asciiValue)) == #special) ifTrue:[ |
500 | 1415 |
source next. |
1416 |
string := string copyWith:nextChar |
|
1417 |
] |
|
1418 |
]. |
|
671 | 1419 |
self markSymbolFrom:tokenPosition to:(source position-1). |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1420 |
tokenValue := token := string asSymbol. |
500 | 1421 |
tokenType := #Symbol. |
1422 |
^ tokenType |
|
1423 |
] |
|
0 | 1424 |
]. |
141 | 1425 |
"this allows hash to be used as binop - |
1426 |
I dont know, if this is correct ..." |
|
1427 |
||
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1428 |
tokenName := token := '#'. |
0 | 1429 |
tokenType := #BinaryOperator. |
1430 |
^ tokenType |
|
141 | 1431 |
" |
1432 |
self syntaxError:'unexpected end-of-input in Symbol' |
|
500 | 1433 |
position:tokenPosition to:(tokenPosition + 1). |
141 | 1434 |
^ #Error |
1435 |
" |
|
671 | 1436 |
. |
500 | 1437 |
|
671 | 1438 |
"Modified: / 1.4.1998 / 13:02:45 / cg" |
0 | 1439 |
! |
1440 |
||
1441 |
nextId |
|
1026 | 1442 |
"no longer used here - remains for backwardCompatibility for |
1443 |
subclass users ... (sigh)" |
|
1444 |
||
0 | 1445 |
|nextChar string oldString |
1446 |
index "{ Class: SmallInteger }" |
|
1447 |
max "{ Class: SmallInteger }" | |
|
1448 |
||
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1449 |
nextChar := source peekOrNil. |
96 | 1450 |
string := String basicNew:20. |
0 | 1451 |
index := 0. |
1452 |
max := 10. |
|
1453 |
[true] whileTrue:[ |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1454 |
(nextChar notNil and:[nextChar isLetterOrDigit]) ifFalse:[ |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1455 |
^ string copyTo:index |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1456 |
]. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1457 |
(index == max) ifTrue:[ |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1458 |
oldString := string. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1459 |
string := String basicNew:(max * 2). |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1460 |
string replaceFrom:1 to:max with:oldString. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1461 |
max := max * 2 |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1462 |
]. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1463 |
index := index + 1. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1464 |
string at:index put:nextChar. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1465 |
nextChar := source nextPeek |
0 | 1466 |
] |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1467 |
|
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1468 |
"Modified: / 5.3.1998 / 02:53:57 / cg" |
0 | 1469 |
! |
1470 |
||
1471 |
nextIdentifier |
|
1026 | 1472 |
"an alpha character (or underscor if AllowUnderscore) has been read. |
1473 |
Return the next identifier." |
|
1474 |
||
1027
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1475 |
|nextChar string ok pos ch2| |
0 | 1476 |
|
87 | 1477 |
hereChar == $_ ifTrue:[ |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1478 |
"/ |
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1479 |
"/ no need to check for allowUnderscoreInIdentifier here; |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1480 |
"/ could not arrive here if it was off |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1481 |
"/ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1482 |
nextChar := source nextPeek. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1483 |
(nextChar isAlphaNumeric or:[nextChar == $_]) ifFalse:[ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1484 |
"oops: a single underscore is an old-style assignement" |
467
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1485 |
nextChar ~~ $: ifTrue:[ |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1486 |
self warnOldStyleAssignmentAt:tokenPosition. |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1487 |
source next. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1488 |
tokenType := token := $_. |
467
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1489 |
^ tokenType |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1490 |
] |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1491 |
]. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1492 |
string := '_'. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1493 |
self warnUnderscoreAt:tokenPosition. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1494 |
[nextChar == $_] whileTrue:[ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1495 |
string := string copyWith:$_. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1496 |
nextChar := source nextPeek. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1497 |
]. |
467
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1498 |
nextChar isAlphaNumeric ifTrue:[ |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1499 |
string := string , source nextAlphaNumericWord. |
feaacb47b0b5
allow degenerated keyword '_:'
Claus Gittinger <cg@exept.de>
parents:
462
diff
changeset
|
1500 |
] |
87 | 1501 |
] ifFalse:[ |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1502 |
string := source nextAlphaNumericWord "self nextId". |
87 | 1503 |
]. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1504 |
nextChar := source peekOrNil. |
87 | 1505 |
|
608 | 1506 |
(nextChar == $_ |
1507 |
or:[nextChar == $$]) ifTrue:[ |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1508 |
ok := (nextChar == $_) ifTrue:[allowUnderscoreInIdentifier] ifFalse:[allowDollarInIdentifier]. |
608 | 1509 |
ok ifTrue:[ |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1510 |
pos := source position. |
608 | 1511 |
nextChar == $_ ifTrue:[ |
610 | 1512 |
self warnUnderscoreAt:pos. |
608 | 1513 |
] ifFalse:[ |
610 | 1514 |
self warnDollarAt:pos. |
608 | 1515 |
]. |
1516 |
[ok] whileTrue:[ |
|
1517 |
string := string copyWith:nextChar. |
|
1518 |
nextChar := source nextPeek. |
|
802
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1519 |
nextChar isNil ifTrue:[ |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1520 |
ok := false |
608 | 1521 |
] ifFalse:[ |
802
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1522 |
(nextChar isAlphaNumeric) ifTrue:[ |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1523 |
string := string , source nextAlphaNumericWord. |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1524 |
nextChar := source peekOrNil. |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1525 |
]. |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1526 |
(nextChar == $_) ifTrue:[ |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1527 |
ok := allowUnderscoreInIdentifier |
608 | 1528 |
] ifFalse:[ |
802
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1529 |
(nextChar == $$) ifTrue:[ |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1530 |
ok := allowDollarInIdentifier |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1531 |
] ifFalse:[ |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1532 |
ok := false |
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1533 |
] |
608 | 1534 |
] |
1535 |
] |
|
1536 |
]. |
|
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1537 |
]. |
60 | 1538 |
]. |
1539 |
||
785
14d0ec37a754
added hook for subclasses which do not want to scan
Claus Gittinger <cg@exept.de>
parents:
783
diff
changeset
|
1540 |
(nextChar == $: and:[scanColonAsKeyword]) ifTrue:[ |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1541 |
source next. |
1027
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1542 |
ch2 := source peekOrNil. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1543 |
"/ colon follows - care for '::' (nameSpace separator) or ':=' (assignment) |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1544 |
(ch2 == $=) ifFalse:[ |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1545 |
(ch2 == $:) ifFalse:[ |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1546 |
tokenName := token := string copyWith:nextChar. |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1547 |
tokenType := #Keyword. |
1104
0ffcaab55dbc
oops - nextIdentifier must return a tokenType
Claus Gittinger <cg@exept.de>
parents:
1103
diff
changeset
|
1548 |
^ tokenType |
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1549 |
]. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1550 |
peekChar := $:. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1551 |
peekChar2 := $:. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1552 |
] ifTrue:[ |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1553 |
peekChar := $:. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1554 |
peekChar2 := $=. |
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
1555 |
] |
1027
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1556 |
] ifFalse:[ |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1557 |
(nextChar == $. and:[AllowQualifiedNames]) ifTrue:[ |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1558 |
"/ period follows - if next-after character is an identifier character, |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1559 |
"/ make peekSym a #NameSpaceSeparator; otherwise a $. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1560 |
source next. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1561 |
ch2 := source peekOrNil. |
1029 | 1562 |
(ch2 notNil |
1563 |
and:[ch2 isLetter or:[ch2 == $_ and:[AllowUnderscoreInIdentifier]]]) ifTrue:[ |
|
1027
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1564 |
peekChar := #'::'. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1565 |
] ifFalse:[ |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1566 |
peekChar := $. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1567 |
]. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1568 |
]. |
0 | 1569 |
]. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1570 |
|
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1571 |
nextChar == $- ifTrue:[ |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1572 |
pos := source position. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1573 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1574 |
warnPossibleIncompatibility:'add a space before ''-'' for compatibility with other systems' |
610 | 1575 |
position:pos to:pos. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1576 |
]. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1577 |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1578 |
tokenName := token := string. |
1026 | 1579 |
(self checkForKeyword:string) ifFalse:[ |
1580 |
tokenType := #Identifier. |
|
1581 |
]. |
|
0 | 1582 |
^ tokenType |
120 | 1583 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1584 |
"Created: / 13.9.1995 / 12:56:42 / claus" |
802
5c6e7db91d5f
bug fix if source ends with underline(-identifier)
Claus Gittinger <cg@exept.de>
parents:
795
diff
changeset
|
1585 |
"Modified: / 2.2.1999 / 22:29:57 / cg" |
0 | 1586 |
! |
1587 |
||
141 | 1588 |
nextMantissa:radix |
1026 | 1589 |
"read the mantissa of a radix number" |
1590 |
||
141 | 1591 |
|nextChar value factor| |
1592 |
||
1593 |
value := 0. |
|
1594 |
factor := 1.0 / radix. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1595 |
nextChar := source peekOrNil. |
141 | 1596 |
[(nextChar notNil and:[nextChar isDigitRadix:radix])] whileTrue:[ |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1597 |
value := value + (nextChar digitValue * factor). |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1598 |
factor := factor / radix. |
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1599 |
nextChar := source nextPeek |
141 | 1600 |
]. |
1601 |
^ value |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1602 |
|
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1603 |
"Modified: / 5.3.1998 / 02:54:11 / cg" |
141 | 1604 |
! |
1605 |
||
1606 |
nextNumber |
|
1026 | 1607 |
"scan a number; handles radix prefix, mantissa and exponent. |
1608 |
Does not yet handle fixNums. Allows for e, d or q to be used as exponent |
|
1609 |
limiter." |
|
1610 |
||
441 | 1611 |
|nextChar value s tokenRadix| |
141 | 1612 |
|
1613 |
tokenRadix := 10. |
|
1614 |
value := Integer readFrom:source radix:tokenRadix. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1615 |
nextChar := source peekOrNil. |
141 | 1616 |
(nextChar == $r) ifTrue:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1617 |
tokenRadix := value. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1618 |
source next. |
820
5db3668f751d
syntax error if radix is not in 2..36
Claus Gittinger <cg@exept.de>
parents:
802
diff
changeset
|
1619 |
|
5db3668f751d
syntax error if radix is not in 2..36
Claus Gittinger <cg@exept.de>
parents:
802
diff
changeset
|
1620 |
(tokenRadix between:2 and:36) ifFalse:[ |
5db3668f751d
syntax error if radix is not in 2..36
Claus Gittinger <cg@exept.de>
parents:
802
diff
changeset
|
1621 |
self syntaxError:'bad radix (must be 2 .. 36)' |
5db3668f751d
syntax error if radix is not in 2..36
Claus Gittinger <cg@exept.de>
parents:
802
diff
changeset
|
1622 |
position:tokenPosition to:(source position - 1). |
5db3668f751d
syntax error if radix is not in 2..36
Claus Gittinger <cg@exept.de>
parents:
802
diff
changeset
|
1623 |
]. |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1624 |
s := 1. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1625 |
source peekOrNil == $- ifTrue:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1626 |
source next. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1627 |
s := -1 |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1628 |
]. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1629 |
value := Integer readFrom:source radix:tokenRadix. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1630 |
value := value * s. |
982
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1631 |
nextChar := source peekOrNil. |
141 | 1632 |
]. |
821
bc543afcc1e6
give a warning if radix>14 and an e/E is encountered in a float
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1633 |
|
141 | 1634 |
(nextChar == $.) ifTrue:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1635 |
nextChar := source nextPeek. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1636 |
(nextChar notNil and:[nextChar isDigitRadix:tokenRadix]) ifTrue:[ |
821
bc543afcc1e6
give a warning if radix>14 and an e/E is encountered in a float
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1637 |
(tokenRadix > 14 and:[nextChar == $e or:[nextChar == $E]]) ifTrue:[ |
bc543afcc1e6
give a warning if radix>14 and an e/E is encountered in a float
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1638 |
self warning:'float with radix > 14 - (e/E are valid digits; not exponent-leaders)' |
bc543afcc1e6
give a warning if radix>14 and an e/E is encountered in a float
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1639 |
position:tokenPosition to:(source position - 1). |
bc543afcc1e6
give a warning if radix>14 and an e/E is encountered in a float
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1640 |
]. |
bc543afcc1e6
give a warning if radix>14 and an e/E is encountered in a float
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1641 |
|
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1642 |
value := value asFloat + (self nextMantissa:tokenRadix). |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1643 |
nextChar := source peekOrNil |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1644 |
] ifFalse:[ |
610 | 1645 |
"/ nextChar == (Character cr) ifTrue:[ |
1646 |
"/ lineNr := lineNr + 1. |
|
1647 |
"/ ]. |
|
499 | 1648 |
nextChar := peekChar := $.. |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1649 |
] |
141 | 1650 |
]. |
821
bc543afcc1e6
give a warning if radix>14 and an e/E is encountered in a float
Claus Gittinger <cg@exept.de>
parents:
820
diff
changeset
|
1651 |
|
1026 | 1652 |
('eEdDqQ' includes:nextChar) ifTrue:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1653 |
nextChar := source nextPeek. |
982
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1654 |
(nextChar notNil and:[(nextChar isDigit"Radix:tokenRadix") or:['+-' includes:nextChar]]) ifTrue:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1655 |
s := 1. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1656 |
(nextChar == $+) ifTrue:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1657 |
nextChar := source nextPeek |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1658 |
] ifFalse:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1659 |
(nextChar == $-) ifTrue:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1660 |
nextChar := source nextPeek. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1661 |
s := s negated |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1662 |
] |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1663 |
]. |
982
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1664 |
tokenRadix == 10 ifTrue:[ |
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1665 |
"/ for backward compatibility, generate a float with base 10 |
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1666 |
value := value asFloat |
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1667 |
* (10 raisedToInteger:((Integer readFrom:source) * s)). |
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1668 |
] ifFalse:[ |
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1669 |
value := value |
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1670 |
* (tokenRadix raisedToInteger:((Integer readFrom:source) * s)). |
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1671 |
]. |
983 | 1672 |
nextChar := source peek. |
982
f0cc45f113b3
exponent after [eE] is always taken base 10.
Claus Gittinger <cg@exept.de>
parents:
947
diff
changeset
|
1673 |
]. |
141 | 1674 |
]. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1675 |
nextChar == $- ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1676 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1677 |
warnPossibleIncompatibility:'add a space before ''-'' for compatibility with other systems' |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1678 |
position:(source position) to:source position. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1679 |
]. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1680 |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1681 |
tokenValue := token := value. |
141 | 1682 |
(value isMemberOf:Float) ifTrue:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1683 |
(nextChar == $d) ifTrue:[ |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1684 |
source next |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1685 |
]. |
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1686 |
tokenType := #Float |
141 | 1687 |
] ifFalse:[ |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1688 |
tokenType := #Integer |
141 | 1689 |
]. |
671 | 1690 |
"/ self markConstantFrom:tokenPosition to:(source position - 1). |
141 | 1691 |
^ tokenType |
313
ee72a11af9a2
handle trailing 'd' after a float (ST-80 compatible Doubles)
Claus Gittinger <cg@exept.de>
parents:
311
diff
changeset
|
1692 |
|
671 | 1693 |
"Modified: / 1.4.1998 / 13:06:28 / cg" |
141 | 1694 |
! |
1695 |
||
0 | 1696 |
nextPrimitive |
1026 | 1697 |
"scan an inline C-primitive." |
1698 |
||
0 | 1699 |
|nextChar inPrimitive string |
1700 |
index "{ Class: SmallInteger }" |
|
1701 |
len "{ Class: SmallInteger }" | |
|
1702 |
||
1703 |
nextChar := source nextPeek. |
|
1704 |
string := String new:500. |
|
1705 |
len := 500. |
|
1706 |
index := 1. |
|
1707 |
(nextChar == ${) ifTrue:[ |
|
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1708 |
nextChar := source nextPeek. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1709 |
inPrimitive := true. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1710 |
[inPrimitive] whileTrue:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1711 |
[nextChar == $%] whileFalse:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1712 |
nextChar isNil ifTrue:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1713 |
self syntaxError:'unterminated primitive' |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1714 |
position:tokenPosition to:source position. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1715 |
^ #Error |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1716 |
]. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1717 |
string at:index put:nextChar. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1718 |
(index == len) ifTrue:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1719 |
string := string , (String new:len). |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1720 |
len := len * 2 |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1721 |
]. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1722 |
index := index + 1. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1723 |
nextChar := source next |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1724 |
]. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1725 |
(source peekOrNil == $}) ifTrue:[ |
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1726 |
inPrimitive := false |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1727 |
] ifFalse:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1728 |
string at:index put:nextChar. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1729 |
(index == len) ifTrue:[ |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1730 |
string := string , (String new:len). |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1731 |
len := len * 2 |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1732 |
]. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1733 |
index := index + 1. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1734 |
nextChar := source next |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1735 |
] |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1736 |
]. |
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1737 |
source next. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1738 |
tokenValue := token := string copyTo:(index - 1). |
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1739 |
tokenType := #Primitive. |
610 | 1740 |
lineNr := lineNr + (tokenValue occurrencesOf:(Character cr)). |
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1741 |
^ tokenType |
0 | 1742 |
]. |
1743 |
||
1744 |
"a % alone is a binary operator" |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1745 |
tokenName := token := '%'. |
0 | 1746 |
tokenType := #BinaryOperator. |
1747 |
^ tokenType. |
|
1748 |
" |
|
1749 |
self syntaxError:('invalid character: ''' , nextChar asString , '''') |
|
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1750 |
position:tokenPosition to:(tokenPosition + 1). |
0 | 1751 |
^ #Error |
1752 |
" |
|
505
793f88ee6269
handle end of input while scanning a primitive
Claus Gittinger <cg@exept.de>
parents:
500
diff
changeset
|
1753 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1754 |
"Modified: / 5.3.1998 / 02:54:43 / cg" |
0 | 1755 |
! |
1756 |
||
141 | 1757 |
nextSpecial |
1758 |
"a special character has been read, look for another one. |
|
1759 |
also -number is handled here" |
|
1760 |
||
1761 |
|firstChar secondChar thirdChar string p| |
|
0 | 1762 |
|
141 | 1763 |
firstChar := source next. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1764 |
secondChar := source peekOrNil. |
241
418eb41350d3
no debugger when parsing '-' (which is wrong anyway ...)
Claus Gittinger <cg@exept.de>
parents:
148
diff
changeset
|
1765 |
((firstChar == $-) and:[secondChar notNil]) ifTrue:[ |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1766 |
secondChar isDigit ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1767 |
self nextNumber. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1768 |
tokenValue := token := tokenValue negated. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1769 |
^ tokenType |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1770 |
] |
0 | 1771 |
]. |
141 | 1772 |
string := firstChar asString. |
1773 |
secondChar notNil ifTrue:[ |
|
708
11837544357d
made scanner tables instVars - for easier subclassability
Claus Gittinger <cg@exept.de>
parents:
707
diff
changeset
|
1774 |
((typeArray at:(secondChar asciiValue)) == #special) ifTrue:[ |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1775 |
(secondChar == $-) ifTrue:[ |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1776 |
"special- look if minus belongs to number following" |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1777 |
p := source position. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1778 |
source next. |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1779 |
thirdChar := source peekOrNil. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1780 |
source position:p. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1781 |
thirdChar isDigit ifTrue:[ |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1782 |
tokenName := token := string. |
526
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1783 |
tokenType := #BinaryOperator. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1784 |
self |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1785 |
warnPossibleIncompatibility:'add a space before ''-'' for compatibility with other ST systems' |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1786 |
position:p-1 |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1787 |
to:p. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1788 |
^ tokenType |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1789 |
] |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1790 |
]. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1791 |
source next. |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1792 |
string := string copyWith:secondChar |
adb8aed3a691
added compatibility warnings for '-' without whitespace
Claus Gittinger <cg@exept.de>
parents:
505
diff
changeset
|
1793 |
]. |
141 | 1794 |
]. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1795 |
tokenName := token := string. |
45 | 1796 |
tokenType := #BinaryOperator. |
3 | 1797 |
^ tokenType |
241
418eb41350d3
no debugger when parsing '-' (which is wrong anyway ...)
Claus Gittinger <cg@exept.de>
parents:
148
diff
changeset
|
1798 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1799 |
"Modified: / 5.3.1998 / 02:54:54 / cg" |
0 | 1800 |
! |
1801 |
||
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1802 |
nextString |
1026 | 1803 |
"a single quote has been scanned; scan the string (caring for doubled quotes" |
1804 |
||
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1805 |
|nextChar string pos |
0 | 1806 |
index "{ Class: SmallInteger }" |
1807 |
len "{ Class: SmallInteger }" |
|
1808 |
inString| |
|
1809 |
||
96 | 1810 |
string := String basicNew:20. |
0 | 1811 |
len := 20. |
1812 |
index := 1. |
|
1813 |
pos := source position. |
|
1814 |
source next. |
|
1815 |
nextChar := source next. |
|
1816 |
inString := true. |
|
1817 |
||
1818 |
[inString] whileTrue:[ |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1819 |
nextChar isNil ifTrue:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1820 |
self syntaxError:'unexpected end-of-input in String' |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1821 |
position:pos to:(source position - 1). |
661 | 1822 |
self markStringFrom:pos to:source position-1. |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1823 |
token := nil. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1824 |
tokenType := #EOF. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1825 |
^ tokenType |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1826 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1827 |
(nextChar == Character cr) ifTrue:[ |
610 | 1828 |
lineNr := lineNr + 1 |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1829 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1830 |
(nextChar == Character quote) ifTrue:[ |
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1831 |
(source peekOrNil == Character quote) ifTrue:[ |
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1832 |
source next |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1833 |
] ifFalse:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1834 |
inString := false |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1835 |
] |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1836 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1837 |
inString ifTrue:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1838 |
string at:index put:nextChar. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1839 |
(index == len) ifTrue:[ |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1840 |
string := string , (String new:len). |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1841 |
len := len * 2 |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1842 |
]. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1843 |
index := index + 1. |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1844 |
nextChar := source next |
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1845 |
] |
0 | 1846 |
]. |
661 | 1847 |
self markStringFrom:pos to:source position-1. |
1848 |
||
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1849 |
tokenValue := token := string copyTo:(index - 1). |
0 | 1850 |
tokenType := #String. |
1851 |
^ tokenType |
|
546
db5ce842f64f
added #scanTokens for ST80 compatibility
Claus Gittinger <cg@exept.de>
parents:
526
diff
changeset
|
1852 |
|
661 | 1853 |
"Modified: / 31.3.1998 / 17:33:14 / cg" |
141 | 1854 |
! |
1855 |
||
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1856 |
nextToken |
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1857 |
"return the next token from the source-stream" |
141 | 1858 |
|
793
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1859 |
|skipping actionBlock v ch tok| |
141 | 1860 |
|
793
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1861 |
[true] whileTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1862 |
peekChar notNil ifTrue:[ |
1027
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1863 |
"/ kludge - should be called peekSym. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1864 |
"/ used when xlating Foo.Bar into Foo::Bar |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1865 |
peekChar isSymbol ifTrue:[ |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1866 |
token := nil. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1867 |
tokenType := peekChar. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1868 |
peekChar := nil. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1869 |
^ tokenType |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1870 |
]. |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1871 |
|
793
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1872 |
peekChar isSeparator ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1873 |
peekChar == (Character cr) ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1874 |
lineNr := lineNr + 1. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1875 |
]. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1876 |
peekChar := peekChar2. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1877 |
peekChar2 := nil. |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1878 |
]. |
793
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1879 |
]. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1880 |
|
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1881 |
peekChar notNil ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1882 |
ch := peekChar. |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1883 |
peekChar := peekChar2. |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1884 |
peekChar2 := nil. |
793
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1885 |
hereChar := nil. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1886 |
] ifFalse:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1887 |
skipping := true. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1888 |
[skipping] whileTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1889 |
|
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1890 |
outStream notNil ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1891 |
hereChar := source peekOrNil. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1892 |
[(hereChar == Character space) |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1893 |
or:[hereChar isSeparator] |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1894 |
] whileTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1895 |
source next. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1896 |
outStream space. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1897 |
outCol := outCol + 1. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1898 |
] |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1899 |
] ifFalse:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1900 |
hereChar := source skipSeparatorsExceptCR. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1901 |
]. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1902 |
|
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1903 |
hereChar == (Character cr) ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1904 |
lineNr := lineNr + 1. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1905 |
source next. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1906 |
outStream notNil ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1907 |
outStream cr. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1908 |
outCol := 1 |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1909 |
] |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1910 |
] ifFalse:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1911 |
hereChar == (Character return) ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1912 |
outStream notNil ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1913 |
outStream nextPut:hereChar. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1914 |
outCol := 1 |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1915 |
]. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1916 |
source next. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1917 |
] ifFalse:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1918 |
(self isCommentCharacter:hereChar) ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1919 |
"start of a comment" |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1920 |
|
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1921 |
self skipComment. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1922 |
hereChar := source peekOrNil. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1923 |
] ifFalse:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1924 |
skipping := false |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1925 |
] |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1926 |
] |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1927 |
] |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1928 |
]. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1929 |
hereChar isNil ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1930 |
token := nil. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1931 |
tokenType := #EOF. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1932 |
^ tokenType |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1933 |
]. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1934 |
ch := hereChar |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1935 |
]. |
793
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1936 |
tokenPosition := source position. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1937 |
tokenLineNr := lineNr. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1938 |
|
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1939 |
(v := ch asciiValue) == 0 ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1940 |
v := Character space asciiValue |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1941 |
]. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1942 |
actionBlock := actionArray at:v. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1943 |
actionBlock notNil ifTrue:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1944 |
tok := actionBlock value:self value:ch. |
1027
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1945 |
tok notNil ifTrue:[ |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1946 |
^ tok |
c944d9be2a69
silently scan Foo.Bar as Foo::Bar,
Claus Gittinger <cg@exept.de>
parents:
1026
diff
changeset
|
1947 |
]. |
793
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1948 |
] ifFalse:[ |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1949 |
self syntaxError:('invalid character: ''' , ch asString , ''' ', |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1950 |
'(' , v printString , ')') |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1951 |
position:tokenPosition to:tokenPosition. |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1952 |
source next. |
1103
b75a71996388
ensure that token follows tomeName & tokenValue
Claus Gittinger <cg@exept.de>
parents:
1102
diff
changeset
|
1953 |
tokenName := token := nil. |
b75a71996388
ensure that token follows tomeName & tokenValue
Claus Gittinger <cg@exept.de>
parents:
1102
diff
changeset
|
1954 |
tokenType := #Error. |
793
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1955 |
^ #Error |
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1956 |
] |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1957 |
]. |
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1958 |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1959 |
"Modified: / 13.9.1995 / 12:56:14 / claus" |
793
3ee3ebe0145e
allow for action to skip something and continue in nextToken
Claus Gittinger <cg@exept.de>
parents:
785
diff
changeset
|
1960 |
"Modified: / 22.10.1998 / 22:15:27 / cg" |
141 | 1961 |
! |
1962 |
||
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1963 |
nextToken:aCharacter |
1026 | 1964 |
"return a character token" |
1965 |
||
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1966 |
tokenType := token := aCharacter. |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1967 |
hereChar notNil ifTrue:[source next]. |
141 | 1968 |
^ tokenType |
603
021722b8a427
correctly scan trailing period after a number in a block (as in x := x + 1.]
Claus Gittinger <cg@exept.de>
parents:
546
diff
changeset
|
1969 |
|
707
2fe4b3a7708a
extracted keyword detection into a separate method for easier
Claus Gittinger <cg@exept.de>
parents:
671
diff
changeset
|
1970 |
"Modified: / 13.5.1998 / 15:10:23 / cg" |
141 | 1971 |
! |
1972 |
||
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
1973 |
skipComment |
1026 | 1974 |
"skip over a comment; handles ST/X eol comments." |
1975 |
||
648 | 1976 |
|commentStream commentType startPos| |
141 | 1977 |
|
1978 |
saveComments ifTrue:[ |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1979 |
commentStream := WriteStream on:''. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1980 |
self beginComment. |
141 | 1981 |
]. |
1982 |
||
1983 |
outStream notNil ifTrue:[ |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1984 |
outStream nextPut:Character doubleQuote. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
1985 |
outCol := outCol + 1 |
141 | 1986 |
]. |
1987 |
||
1988 |
startPos := source position. |
|
1989 |
source next. |
|
656
e4249b285fd8
using #peekOrNil makes it some 10% faster when scanning
Claus Gittinger <cg@exept.de>
parents:
650
diff
changeset
|
1990 |
hereChar := source peekOrNil. |
141 | 1991 |
|
1992 |
" |
|
1993 |
special ST/X addition: |
|
1994 |
a $/ right after the initial double quote makes it an up-to-end-of-line comment, |
|
1995 |
which is very useful to comment out parts of filed-in source code. |
|
1996 |
Since this is non-standard, use it in very rare cases only. |
|
1997 |
(maybe the upcoming ansi-standard adds something similar - in this case, I will |
|
1998 |
change it without notice)" |
|
1999 |
||
2000 |
hereChar == $/ ifTrue:[ |
|
648 | 2001 |
commentType := #eolComment. |
2002 |
||
2003 |
hereChar := source nextPeek. |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2004 |
[hereChar notNil and:[hereChar ~~ Character cr]] whileTrue:[ |
648 | 2005 |
commentStream notNil ifTrue:[ |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2006 |
commentStream nextPut:hereChar |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2007 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2008 |
outStream notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2009 |
outStream nextPut:hereChar. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2010 |
outCol := outCol + 1 |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2011 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2012 |
hereChar := source nextPeek. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2013 |
]. |
659
2bbc270156c7
support for syntaxHighlighting
Claus Gittinger <cg@exept.de>
parents:
656
diff
changeset
|
2014 |
self markCommentFrom:startPos to:(source position). |
610 | 2015 |
lineNr := lineNr + 1. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2016 |
ignoreWarnings ifFalse:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2017 |
warnSTXSpecialComment ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2018 |
self warning:'end-of-line comments are a nonstandard feature of ST/X' |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2019 |
position:startPos to:(source position). |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2020 |
" |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2021 |
only warn once |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2022 |
" |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2023 |
warnSTXSpecialComment := false |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2024 |
] |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2025 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2026 |
outStream notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2027 |
outStream cr. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2028 |
outCol := 1 |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2029 |
]. |
141 | 2030 |
] ifFalse:[ |
648 | 2031 |
commentType := #regularComment. |
2032 |
||
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2033 |
hereChar == ${ ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2034 |
" |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2035 |
special ST/X addition: |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2036 |
a ${ right after the initial double quote starts a directive |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2037 |
" |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2038 |
self parseDirective |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2039 |
]. |
141 | 2040 |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2041 |
[hereChar notNil and:[hereChar ~~ (Character doubleQuote)]] whileTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2042 |
hereChar == (Character cr) ifTrue:[ |
610 | 2043 |
lineNr := lineNr + 1. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2044 |
]. |
648 | 2045 |
commentStream notNil ifTrue:[ |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2046 |
commentStream nextPut:hereChar |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2047 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2048 |
outStream notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2049 |
outStream nextPut:hereChar. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2050 |
outCol := outCol + 1 |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2051 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2052 |
hereChar := source nextPeek |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2053 |
]. |
666 | 2054 |
|
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2055 |
hereChar isNil ifTrue:[ |
666 | 2056 |
self markCommentFrom:startPos to:(source size). |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2057 |
self warning:'unclosed comment' position:startPos to:(source position) |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2058 |
] ifFalse:[ |
666 | 2059 |
self markCommentFrom:startPos to:(source position). |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2060 |
outStream notNil ifTrue:[ |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2061 |
outStream nextPut:(Character doubleQuote). |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2062 |
outCol := outCol + 1 |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2063 |
]. |
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2064 |
] |
141 | 2065 |
]. |
2066 |
||
2067 |
"skip final dQuote or cr" |
|
2068 |
source next. |
|
2069 |
||
2070 |
saveComments ifTrue:[ |
|
648 | 2071 |
self endComment:(commentStream contents) type:commentType. |
141 | 2072 |
]. |
460
c023e3713433
handle identifier in directives;
Claus Gittinger <cg@exept.de>
parents:
453
diff
changeset
|
2073 |
|
666 | 2074 |
"Modified: / 31.3.1998 / 23:45:26 / cg" |
648 | 2075 |
! ! |
2076 |
||
2077 |
!Scanner::Comment methodsFor:'accessing'! |
|
2078 |
||
2079 |
commentString |
|
2080 |
"return the value of the instance variable 'commentString' (automatically generated)" |
|
2081 |
||
2082 |
^ commentString |
|
2083 |
||
2084 |
"Created: / 17.2.1998 / 14:44:33 / cg" |
|
2085 |
! |
|
2086 |
||
2087 |
commentString:something |
|
2088 |
"set the value of the instance variable 'commentString' (automatically generated)" |
|
2089 |
||
2090 |
commentString := something. |
|
2091 |
||
2092 |
"Created: / 17.2.1998 / 14:44:33 / cg" |
|
2093 |
! |
|
2094 |
||
2095 |
commentType |
|
2096 |
"return the value of the instance variable 'commentType' (automatically generated)" |
|
2097 |
||
2098 |
^ commentType |
|
2099 |
||
2100 |
"Created: / 17.2.1998 / 14:44:33 / cg" |
|
2101 |
! |
|
2102 |
||
2103 |
commentType:something |
|
2104 |
"set the value of the instance variable 'commentType' (automatically generated)" |
|
2105 |
||
2106 |
commentType := something. |
|
2107 |
||
2108 |
"Created: / 17.2.1998 / 14:44:33 / cg" |
|
2109 |
! |
|
2110 |
||
2111 |
string |
|
2112 |
^ commentString |
|
2113 |
||
2114 |
"Created: / 17.2.1998 / 14:49:52 / cg" |
|
0 | 2115 |
! ! |
141 | 2116 |
|
359
5c3718455360
support for nameSpaces (space::name)
Claus Gittinger <cg@exept.de>
parents:
313
diff
changeset
|
2117 |
!Scanner class methodsFor:'documentation'! |
148 | 2118 |
|
264
f10298cba622
oops - corrupted version checked in
Claus Gittinger <cg@exept.de>
parents:
263
diff
changeset
|
2119 |
version |
1104
0ffcaab55dbc
oops - nextIdentifier must return a tokenType
Claus Gittinger <cg@exept.de>
parents:
1103
diff
changeset
|
2120 |
^ '$Header: /cvs/stx/stx/libcomp/Scanner.st,v 1.124 2000-10-26 20:03:25 cg Exp $' |
148 | 2121 |
! ! |
141 | 2122 |
Scanner initialize! |