author | Claus Gittinger <cg@exept.de> |
Fri, 20 Jun 1997 12:06:27 +0200 | |
changeset 543 | de47f8969fd9 |
parent 539 | 69a1cd05c7d6 |
child 550 | b69b0193058e |
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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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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ParseNode subclass:#MessageNode |
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instanceVariableNames:'receiver selector argArray lineNr' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'System-Compiler-Support' |
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! |
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!MessageNode class methodsFor:'documentation'! |
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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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|
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This software is furnished under a license and may be used |
|
28 |
only in accordance with the terms of that license and with the |
|
29 |
inclusion of the above copyright notice. This software may not |
|
30 |
be provided or otherwise made available to, or used by, any |
|
31 |
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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||
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documentation |
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" |
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node for parse-trees, representing message sends |
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This is a helper class for the compiler. |
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[author:] |
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Claus Gittinger |
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" |
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! ! |
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!MessageNode class methodsFor:'instance creation'! |
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receiver:recNode selector:selectorString |
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^ (self basicNew) receiver:recNode selector:selectorString args:nil lineno:0 |
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! |
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receiver:recNode selector:selectorString arg1:argNode1 arg2:argNode2 fold:folding |
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|result recVal argVal selector| |
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" |
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This is just a demonstration - of how complex constants can be folded. |
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This was inspired by some discussion in c.l.s about enhancing the language - I prefer |
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enhancing the compiler .... |
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The following optimization will convert '#(...) with:#(...) collect:[...]' into an array constant, |
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allowing constant arrays of complex objects. |
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Notice: this method is normally disabled - its just a demo after all. |
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" |
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folding notNil ifTrue:[ |
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"/ |
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"/ do constant folding ... |
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"/ |
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(recNode isConstant and:[argNode1 isConstant]) ifTrue:[ |
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"check if we can do it ..." |
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selector := selectorString asSymbolIfInterned. |
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selector notNil ifTrue:[ |
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recVal := recNode evaluate. |
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(recVal respondsTo:selector) ifTrue:[ |
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" |
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we could do much more here - but then, we need a dependency from |
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the folded selectors method to the method we generate code for ... |
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limit optimizations to those that will never change |
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(or - if you change them - you will crash so bad ...) |
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" |
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argVal := argNode1 evaluate. |
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((recVal isMemberOf:Array) and:[argVal isMemberOf:Array]) ifTrue:[ |
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folding == #full ifTrue:[ |
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(selector == #with:collect:) ifTrue:[ |
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(argNode2 isMemberOf:BlockNode) ifTrue:[ |
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SignalSet anySignal handle:[:ex | |
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^ 'error in constant expression (' , ex errorString , ')' |
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] do:[ |
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result := recVal perform:selector with:argVal with:(argNode2 evaluate). |
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]. |
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^ ConstantNode type:(ConstantNode typeOfConstant:result) value:result |
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] |
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] |
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] |
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] |
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] |
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] |
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] |
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]. |
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^ (self basicNew) receiver:recNode selector:selectorString args:(Array with:argNode1 with:argNode2) lineno:0 |
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! |
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receiver:recNode selector:selectorString arg:argNode |
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^ self receiver:recNode selector:selectorString arg:argNode fold:nil |
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! |
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receiver:recNode selector:selectorString arg:argNode fold:folding |
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|result recVal argVal selector globalName canFold| |
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" |
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The constant folding code can usually not optimize much |
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- this may change when some kind of constant/macro declaration is added to smalltalk. |
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" |
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folding notNil ifTrue:[ |
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selector := selectorString asSymbolIfInterned. |
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selector notNil ifTrue:[ |
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|
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"/ |
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"/ do constant folding ... |
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"/ |
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canFold := false. |
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|
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(recNode isGlobal and:[argNode isConstant]) ifTrue:[ |
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globalName := recNode name. |
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recVal := recNode evaluate. |
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|
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(globalName = 'SmallInteger') ifTrue:[ |
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( #( bitMaskFor: ) includes:selector) |
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ifTrue:[ |
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canFold := true |
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] |
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]. |
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(globalName = 'Float') ifTrue:[ |
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( #( pi unity zero ) includes:selector) |
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ifTrue:[ |
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(recVal respondsTo:selector) ifTrue:[ |
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canFold := true |
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] |
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138 |
] |
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] |
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]. |
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141 |
|
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(recNode isConstant and:[argNode isConstant]) ifTrue:[ |
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143 |
"check if we can do it ..." |
47 | 144 |
recVal := recNode evaluate. |
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" |
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146 |
we could do much more here - but then, we need a dependency from |
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147 |
the folded selectors method to the method we generate code for ... |
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148 |
limit optimizations to those that will never change |
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(or - if you change them - you will crash so bad ...) |
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" |
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151 |
argVal := argNode evaluate. |
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152 |
(recVal respondsToArithmetic and:[argVal respondsToArithmetic]) ifTrue:[ |
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153 |
( #( + - * / // \\ min: max: quo:) includes:selector) ifTrue:[ |
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(#( / // \\ ) includes:selector) ifTrue:[ |
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argVal = 0 ifTrue:[ |
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^ 'division by zero in constant expression' |
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157 |
]. |
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158 |
]. |
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159 |
canFold := true |
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160 |
]. |
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161 |
( #( @ ) includes:selector) ifTrue:[ |
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162 |
canFold := (folding == #full) |
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163 |
] |
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164 |
]. |
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(recVal isMemberOf:String) ifTrue:[ |
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166 |
(argVal isInteger and:[selector == #at:]) ifTrue:[ |
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canFold := (folding >= #level2) or:[folding == #full]. |
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168 |
]. |
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((argVal isMemberOf:String) and:[selector == #',']) ifTrue:[ |
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canFold := (folding >= #level2) or:[folding == #full]. |
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171 |
] |
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172 |
]. |
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173 |
]. |
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174 |
|
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|
175 |
canFold ifTrue:[ |
47 | 176 |
(recVal respondsTo:selector) ifTrue:[ |
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177 |
SignalSet anySignal handle:[:ex | |
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178 |
^ 'error in constant expression (' , ex errorString , ')' |
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179 |
] do:[ |
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180 |
result := recVal perform:selector with:argVal. |
47 | 181 |
]. |
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182 |
^ ConstantNode type:(ConstantNode typeOfConstant:result) value:result |
47 | 183 |
] |
184 |
] |
|
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185 |
] |
0 | 186 |
]. |
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187 |
|
0 | 188 |
^ (self basicNew) receiver:recNode selector:selectorString args:(Array with:argNode) lineno:0 |
189 |
! |
|
190 |
||
191 |
receiver:recNode selector:selectorString args:anArray |
|
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192 |
^ self receiver:recNode selector:selectorString args:anArray fold:nil |
0 | 193 |
! |
194 |
||
195 |
receiver:recNode selector:selectorString args:argArray fold:folding |
|
117 | 196 |
|numArgs| |
197 |
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|
198 |
folding notNil ifTrue:[ |
231 | 199 |
numArgs := argArray size. |
200 |
(numArgs == 1) ifTrue:[ |
|
201 |
^ self receiver:recNode selector:selectorString arg:(argArray at:1) fold:folding |
|
202 |
]. |
|
20 | 203 |
|
231 | 204 |
"uncomment the follwoing for a nice array initializer optimization ..." |
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205 |
(numArgs == 2) ifTrue:[ |
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206 |
^ self receiver:recNode selector:selectorString arg1:(argArray at:1) arg2:(argArray at:2) fold:folding |
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207 |
]. |
231 | 208 |
numArgs > Method maxNumberOfArguments ifTrue:[ |
209 |
^ 'too many arguments for current VM implementation'. |
|
210 |
]. |
|
0 | 211 |
]. |
117 | 212 |
|
0 | 213 |
^ (self basicNew) receiver:recNode selector:selectorString args:argArray lineno:0 |
117 | 214 |
|
215 |
"Modified: 3.9.1995 / 16:41:39 / claus" |
|
231 | 216 |
"Modified: 21.3.1996 / 16:07:34 / cg" |
0 | 217 |
! ! |
218 |
||
140 | 219 |
!MessageNode methodsFor:'accessing'! |
0 | 220 |
|
140 | 221 |
arg1 |
222 |
^ argArray at:1 |
|
223 |
! |
|
0 | 224 |
|
140 | 225 |
args |
226 |
^ argArray |
|
227 |
! |
|
0 | 228 |
|
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|
229 |
arguments |
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|
230 |
^ argArray ? #() |
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|
231 |
|
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|
232 |
"Created: 19.6.1997 / 17:31:14 / cg" |
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parents:
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|
233 |
"Modified: 19.6.1997 / 17:32:25 / cg" |
de47f8969fd9
more ST80 compatible enumeration
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|
234 |
! |
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|
235 |
|
140 | 236 |
lineNumber |
237 |
^ lineNr |
|
0 | 238 |
! |
239 |
||
140 | 240 |
lineNumber:num |
241 |
lineNr := num |
|
242 |
! |
|
0 | 243 |
|
140 | 244 |
receiver |
245 |
^ receiver |
|
246 |
! |
|
0 | 247 |
|
140 | 248 |
receiver:r selector:s args:a lineno:l |
249 |
receiver := r. |
|
250 |
selector := s asSymbol. |
|
251 |
argArray := a. |
|
252 |
lineNr := l |
|
253 |
! |
|
254 |
||
255 |
selector |
|
256 |
^ selector |
|
0 | 257 |
! ! |
258 |
||
259 |
!MessageNode methodsFor:'checks'! |
|
260 |
||
261 |
plausibilityCheck |
|
262 |
|rec arg operand| |
|
263 |
||
3 | 264 |
" |
265 |
it once took me almost an hour, to find a '==' which |
|
266 |
should have been an '=' (you cannot compare floats with ==) |
|
19 | 267 |
(well, I looked at the '==' at least 50 times - |
268 |
- but didn't think about it ...). |
|
269 |
thats reason enough to add this check here. |
|
270 |
I will add more as heuristic knowledge increases ... |
|
271 |
(send me comments on common programming errors ...) |
|
272 |
" |
|
273 |
||
274 |
" |
|
275 |
check #== appled to Floats, Strings or Fractions |
|
0 | 276 |
" |
277 |
((selector == #==) or:[selector == #~~]) ifTrue:[ |
|
47 | 278 |
receiver isConstant ifTrue:[ |
279 |
rec := receiver evaluate. |
|
280 |
((rec isMemberOf:String) or:[ |
|
281 |
(rec isMemberOf:Float) or:[ |
|
282 |
(rec isMemberOf:Fraction)]]) ifTrue:[ |
|
283 |
operand := rec |
|
284 |
]. |
|
285 |
]. |
|
286 |
(argArray at:1) isConstant ifTrue:[ |
|
287 |
arg := (argArray at:1) evaluate. |
|
288 |
((arg isMemberOf:String) or:[ |
|
289 |
(arg isMemberOf:Float) or:[ |
|
290 |
(arg isMemberOf:Fraction)]]) ifTrue:[ |
|
291 |
operand := arg |
|
292 |
]. |
|
293 |
]. |
|
294 |
operand notNil ifTrue:[ |
|
295 |
(selector == #==) ifTrue:[ |
|
296 |
^ 'identity compare is unsafe here' |
|
297 |
]. |
|
298 |
^ 'identity compare will usually return true here' |
|
299 |
] |
|
0 | 300 |
]. |
3 | 301 |
|
302 |
" |
|
19 | 303 |
[...] ifTrue:... |
3 | 304 |
an error often occuring when you are a beginner ... |
305 |
" |
|
306 |
((selector == #ifTrue:) or:[selector == #ifFalse:]) ifTrue:[ |
|
47 | 307 |
receiver isBlock ifTrue:[ |
308 |
(Block canUnderstand:selector) ifFalse:[ |
|
309 |
^ 'blocks usually do not respond to ' , selector , ' messages' |
|
310 |
]. |
|
311 |
]. |
|
312 |
(argArray at:1) isBlock ifFalse:[ |
|
313 |
^ 'will fail at runtime, if argument to ' , selector , ' does not evaluate to a block' |
|
314 |
] |
|
3 | 315 |
]. |
19 | 316 |
((selector == #ifTrue:ifFalse:) or:[selector == #ifFalse:ifTrue:]) ifTrue:[ |
47 | 317 |
receiver isBlock ifTrue:[ |
318 |
(Block canUnderstand:selector) ifFalse:[ |
|
319 |
^ 'blocks usually do not respond to ' , selector , ' messages' |
|
320 |
]. |
|
321 |
]. |
|
322 |
(argArray at:1) isBlock ifFalse:[ |
|
323 |
^ 'will fail at runtime, if 1st. argument to ' , selector , ' does not evaluate to a block' |
|
324 |
]. |
|
325 |
(argArray at:2) isBlock ifFalse:[ |
|
326 |
^ 'will fail at runtime, if 2nd. argument to ' , selector , ' does not evaluate to a block' |
|
327 |
] |
|
3 | 328 |
]. |
19 | 329 |
|
330 |
" |
|
331 |
(...) whileTrue:[ |
|
332 |
" |
|
3 | 333 |
((selector == #whileTrue:) or:[selector == #whileFalse:]) ifTrue:[ |
47 | 334 |
receiver isBlock ifFalse:[ |
335 |
" |
|
336 |
only warn, if code was originally parenthized |
|
337 |
" |
|
338 |
receiver parenthized ifTrue:[ |
|
339 |
^ 'will fail at runtime, if receiver of ' , selector , ' does not evaluate to a block' |
|
340 |
] |
|
341 |
]. |
|
342 |
(argArray at:1) isBlock ifFalse:[ |
|
343 |
^ 'will fail at runtime, if argument to ' , selector , ' does not evaluate to a block' |
|
344 |
]. |
|
3 | 345 |
]. |
0 | 346 |
^ nil |
347 |
! ! |
|
348 |
||
349 |
!MessageNode methodsFor:'code generation'! |
|
350 |
||
338
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
351 |
codeAndIfElseOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
352 |
"generate code for (x and:[y]) ifxxx:[ ... ] ifyyy:[ ... ]" |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
353 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
354 |
|theByteCode optByteCode theReceiver theArg pos1 pos2 pos3 code here jmp| |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
355 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
356 |
theByteCode := #falseJump. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
357 |
theReceiver := receiver receiver. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
358 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
359 |
optByteCode := self optimizedConditionFor:theReceiver |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
360 |
with:theByteCode. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
361 |
optByteCode notNil ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
362 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
363 |
theArg := theReceiver arg1 |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
364 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
365 |
theReceiver := theReceiver receiver. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
366 |
theByteCode := optByteCode |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
367 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
368 |
"/ code the left-of the and-part |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
369 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
370 |
theArg notNil ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
371 |
theArg codeOn:aStream inBlock:b for:aCompiler |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
372 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
373 |
aStream nextPut:theByteCode. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
374 |
pos1 := aStream position. "/ remember branch target of left-fail branch |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
375 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
376 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
377 |
"/ code the right of the and-part |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
378 |
theReceiver := receiver arg1. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
379 |
theReceiver codeInlineOn:aStream inBlock:b for:aCompiler. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
380 |
(selector == #ifTrue:ifFalse:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
381 |
jmp := #falseJump |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
382 |
] ifFalse:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
383 |
jmp := #trueJump |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
384 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
385 |
aStream nextPut:jmp. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
386 |
pos2 := aStream position. "/ remember branch target of right-fail branch |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
387 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
388 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
389 |
code := aStream contents. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
390 |
(selector == #ifFalse:ifTrue:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
391 |
code at:pos1 put:(aStream position) |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
392 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
393 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
394 |
"/ code the if-block |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
395 |
(argArray at: 1) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
396 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
397 |
aStream nextPut:#jump. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
398 |
pos3 := aStream position. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
399 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
400 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
401 |
here := aStream position. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
402 |
(selector == #ifTrue:ifFalse:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
403 |
code at:pos1 put:here |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
404 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
405 |
code at:pos2 put:here. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
406 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
407 |
"/ code the else-block |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
408 |
(argArray at: 2) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
409 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
410 |
code at:pos3 put:(aStream position) |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
411 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
412 |
"Created: 6.9.1996 / 12:56:23 / cg" |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
413 |
! |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
414 |
|
140 | 415 |
codeAndIfOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
416 |
"generate code for (x and:[y]) ifxxx:[ ... ]" |
|
417 |
||
418 |
|theByteCode optByteCode theReceiver theArg pos1 pos2 pos3 code here jmp| |
|
419 |
||
420 |
||
421 |
theByteCode := #falseJump. |
|
422 |
theReceiver := receiver receiver. |
|
0 | 423 |
|
140 | 424 |
optByteCode := self optimizedConditionFor:theReceiver |
425 |
with:theByteCode. |
|
426 |
optByteCode notNil ifTrue:[ |
|
427 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
|
428 |
theArg := theReceiver arg1 |
|
429 |
]. |
|
430 |
theReceiver := theReceiver receiver. |
|
431 |
theByteCode := optByteCode |
|
432 |
]. |
|
104 | 433 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
140 | 434 |
theArg notNil ifTrue:[ |
435 |
theArg codeOn:aStream inBlock:b for:aCompiler |
|
436 |
]. |
|
437 |
aStream nextPut:theByteCode. |
|
438 |
pos1 := aStream position. |
|
439 |
aStream nextPut:0. |
|
0 | 440 |
|
140 | 441 |
theReceiver := receiver arg1. |
442 |
theReceiver codeInlineOn:aStream inBlock:b for:aCompiler. |
|
443 |
(selector == #ifTrue:) ifTrue:[ |
|
444 |
jmp := #falseJump |
|
445 |
] ifFalse:[ |
|
446 |
jmp := #trueJump |
|
447 |
]. |
|
448 |
aStream nextPut:jmp. |
|
0 | 449 |
pos2 := aStream position. |
450 |
aStream nextPut:0. |
|
451 |
||
140 | 452 |
code := aStream contents. |
453 |
(selector == #ifFalse:) ifTrue:[ |
|
454 |
code at:pos1 put:(aStream position) |
|
455 |
]. |
|
456 |
(argArray at: 1) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
457 |
||
458 |
valueNeeded ifTrue:[ |
|
459 |
aStream nextPut:#jump. |
|
460 |
pos3 := aStream position. |
|
461 |
aStream nextPut:0. |
|
462 |
here := aStream position. |
|
463 |
(selector == #ifTrue:) ifTrue:[ |
|
464 |
code at:pos1 put:here |
|
465 |
]. |
|
466 |
code at:pos2 put:here. |
|
467 |
aStream nextPut:#pushNil. |
|
468 |
code at:pos3 put:(aStream position) |
|
469 |
] ifFalse:[ |
|
470 |
here := aStream position. |
|
471 |
(selector == #ifTrue:) ifTrue:[ |
|
472 |
code at:pos1 put:here |
|
473 |
]. |
|
474 |
code at:pos2 put:here |
|
475 |
] |
|
476 |
! |
|
477 |
||
289 | 478 |
codeAndOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
479 |
"generate code for (x and:[y])" |
|
140 | 480 |
|
289 | 481 |
|pos1 rightExpr| |
482 |
||
483 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
|
484 |
valueNeeded ifTrue:[ |
|
485 |
aStream nextPut:#dup. |
|
140 | 486 |
]. |
289 | 487 |
aStream nextPut:#falseJump. |
488 |
pos1 := aStream position. |
|
489 |
aStream nextPut:0. |
|
490 |
valueNeeded ifTrue:[ |
|
491 |
aStream nextPut:#drop. |
|
140 | 492 |
]. |
289 | 493 |
rightExpr := argArray at:1. |
494 |
rightExpr codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
163 | 495 |
|
289 | 496 |
(aStream contents) at:pos1 put:(aStream position) |
497 |
||
498 |
"Created: 17.6.1996 / 15:46:42 / cg" |
|
499 |
"Modified: 17.6.1996 / 15:47:44 / cg" |
|
140 | 500 |
! |
501 |
||
502 |
codeForCascadeOn:aStream inBlock:b for:aCompiler |
|
503 |
"like codeOn, but always leave the receiver instead of the result" |
|
504 |
||
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
505 |
|nargs isBuiltIn code codeL litIndex cls clsLitIndex| |
140 | 506 |
|
507 |
argArray isNil ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
508 |
nargs := 0 |
140 | 509 |
] ifFalse:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
510 |
nargs := argArray size |
140 | 511 |
]. |
512 |
||
513 |
isBuiltIn := false. |
|
0 | 514 |
|
140 | 515 |
(nargs == 0) ifTrue:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
516 |
isBuiltIn := aCompiler isBuiltInUnarySelector:selector forReceiver:receiver |
140 | 517 |
]. |
518 |
(nargs == 1) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
519 |
isBuiltIn := aCompiler isBuiltIn1ArgSelector:selector forReceiver:receiver |
140 | 520 |
]. |
521 |
(nargs == 2) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
522 |
isBuiltIn := aCompiler isBuiltIn2ArgSelector:selector forReceiver:receiver |
140 | 523 |
]. |
524 |
||
525 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
|
526 |
aStream nextPut:#dup. |
|
527 |
||
528 |
"can we use a send-bytecode ?" |
|
529 |
isBuiltIn ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
530 |
receiver isSuper ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
531 |
(nargs > 0) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
532 |
(argArray at:1) codeOn:aStream inBlock:b for:aCompiler. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
533 |
(nargs > 1) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
534 |
(argArray at:2) codeOn:aStream inBlock:b for:aCompiler |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
535 |
] |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
536 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
537 |
aStream nextPut:selector. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
538 |
(aCompiler hasLineNumber:selector) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
539 |
aStream nextPut:lineNr. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
540 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
541 |
aStream nextPut:#drop. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
542 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
543 |
] |
140 | 544 |
]. |
545 |
||
546 |
"no - generate a send" |
|
547 |
argArray notNil ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
548 |
argArray do:[:arg | |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
549 |
arg codeOn:aStream inBlock:b for:aCompiler |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
550 |
] |
140 | 551 |
]. |
552 |
litIndex := aCompiler addLiteral:selector. |
|
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
553 |
|
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
554 |
receiver isSuper ifTrue:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
555 |
cls := aCompiler targetClass. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
556 |
receiver isHere ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
557 |
code := #hereSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
558 |
codeL := #hereSendL. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
559 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
560 |
code := #superSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
561 |
codeL := #superSendL. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
562 |
cls := cls superclass. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
563 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
564 |
clsLitIndex := aCompiler addLiteral:cls. |
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
565 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
566 |
(litIndex <= 255 and:[clsLitIndex <= 255]) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
567 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:nargs; nextPut:clsLitIndex; nextPut:#drop. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
568 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
569 |
]. |
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
570 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
571 |
"need 16bit litIndex" |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
572 |
aStream nextPut:codeL; nextPut:lineNr; nextPut:litIndex; nextPut:0; nextPut:nargs; nextPut:clsLitIndex; nextPut:0; nextPut:#drop. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
573 |
^ self |
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
574 |
]. |
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
575 |
|
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
576 |
litIndex <= 255 ifTrue:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
577 |
(nargs <= 3) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
578 |
code := #(sendDrop0 sendDrop1 sendDrop2 sendDrop3) at:(nargs+1). |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
579 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
580 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
581 |
]. |
140 | 582 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
583 |
aStream nextPut:#sendDrop; nextPut:lineNr; nextPut:litIndex; nextPut:nargs. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
584 |
^ self |
140 | 585 |
]. |
586 |
"need 16bit litIndex" |
|
587 |
aStream nextPut:#sendDropL; nextPut:lineNr; nextPut:litIndex; nextPut:0; nextPut:nargs |
|
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
588 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
589 |
"Modified: 17.4.1996 / 22:33:24 / cg" |
140 | 590 |
! |
591 |
||
592 |
codeForSideEffectOn:aStream inBlock:b for:aCompiler |
|
593 |
self codeOn:aStream inBlock:b valueNeeded:false for:aCompiler |
|
0 | 594 |
! |
595 |
||
104 | 596 |
codeIfElseOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
0 | 597 |
"generate code for x ifxxx:[ ... ] yyy:[ ...]" |
598 |
||
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
599 |
|pos pos2 theReceiver theArg theByteCode optByteCode subsel code needLineNr |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
600 |
needJump block1| |
0 | 601 |
|
602 |
theReceiver := receiver. |
|
76 | 603 |
|
604 |
(theReceiver isMessage) ifTrue:[ |
|
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
605 |
subsel := theReceiver selector. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
606 |
(subsel == #and:) ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
607 |
self codeAndIfElseOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
608 |
^ self |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
609 |
]. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
610 |
(subsel == #or:) ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
611 |
self codeOrIfElseOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
612 |
^ self |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
613 |
] |
76 | 614 |
]. |
0 | 615 |
(selector == #ifTrue:ifFalse:) ifTrue:[ |
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
616 |
theByteCode := #falseJump |
0 | 617 |
] ifFalse:[ |
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
618 |
(selector == #ifFalse:ifTrue:) ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
619 |
theByteCode := #trueJump |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
620 |
] |
0 | 621 |
]. |
622 |
optByteCode := self optimizedConditionFor:theReceiver |
|
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
623 |
with:theByteCode. |
0 | 624 |
optByteCode notNil ifTrue:[ |
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
625 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
626 |
theArg := theReceiver arg1 |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
627 |
]. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
628 |
theReceiver := theReceiver receiver. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
629 |
theByteCode := optByteCode |
0 | 630 |
]. |
631 |
theByteCode notNil ifTrue:[ |
|
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
632 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
53 | 633 |
|
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
634 |
needLineNr := true. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
635 |
theArg isNil ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
636 |
theReceiver isMessage ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
637 |
(aCompiler hasLineNumber:(theReceiver selector)) ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
638 |
theReceiver lineNumber == lineNr ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
639 |
needLineNr := false |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
640 |
] |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
641 |
] |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
642 |
] |
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
643 |
] ifFalse:[ |
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
644 |
theArg codeOn:aStream inBlock:b for:aCompiler |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
645 |
]. |
53 | 646 |
|
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
647 |
needLineNr ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
648 |
(lineNr between:1 and:255) ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
649 |
aStream nextPut:#lineno; nextPut:lineNr. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
650 |
] |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
651 |
]. |
166
9f6c57a3bce1
no line number bytecode in if-else if not needed
Claus Gittinger <cg@exept.de>
parents:
163
diff
changeset
|
652 |
|
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
653 |
aStream nextPut:theByteCode. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
654 |
pos := aStream position. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
655 |
aStream nextPut:0. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
656 |
block1 := argArray at:1. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
657 |
block1 codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
658 |
needJump := true. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
659 |
(block1 isBlock and:[block1 endsWithReturn]) ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
660 |
needJump := false |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
661 |
]. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
662 |
needJump ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
663 |
aStream nextPut:#jump. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
664 |
pos2 := aStream position. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
665 |
aStream nextPut:0. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
666 |
]. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
667 |
code := aStream contents. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
668 |
code at:pos put:(aStream position). |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
669 |
(argArray at:2) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
670 |
needJump ifTrue:[ |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
671 |
code at:pos2 put:(aStream position) |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
672 |
] |
0 | 673 |
] |
166
9f6c57a3bce1
no line number bytecode in if-else if not needed
Claus Gittinger <cg@exept.de>
parents:
163
diff
changeset
|
674 |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
675 |
"Modified: 9.11.1996 / 19:53:52 / cg" |
0 | 676 |
! |
677 |
||
104 | 678 |
codeIfOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
0 | 679 |
"generate code for x ifxxx:[ ... ]" |
680 |
||
103 | 681 |
|pos pos2 theReceiver theArg theByteCode optByteCode subsel code |
682 |
needLineNr| |
|
0 | 683 |
|
684 |
theReceiver := receiver. |
|
685 |
||
76 | 686 |
(theReceiver isMessage) ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
687 |
subsel := theReceiver selector. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
688 |
|
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
689 |
(subsel == #and:) ifTrue:[ |
309 | 690 |
theReceiver arg1 isBlock ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
691 |
self codeAndIfOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
692 |
^ self |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
693 |
] |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
694 |
]. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
695 |
(subsel == #or:) ifTrue:[ |
309 | 696 |
theReceiver arg1 isBlock ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
697 |
self codeOrIfOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
698 |
^ self |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
699 |
] |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
700 |
] |
0 | 701 |
]. |
702 |
(selector == #ifTrue:) ifTrue:[ |
|
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
703 |
theByteCode := #falseJump |
0 | 704 |
] ifFalse:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
705 |
theByteCode := #trueJump |
0 | 706 |
]. |
707 |
optByteCode := self optimizedConditionFor:theReceiver |
|
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
708 |
with:theByteCode. |
0 | 709 |
optByteCode notNil ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
710 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
711 |
theArg := theReceiver arg1 |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
712 |
]. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
713 |
theReceiver := theReceiver receiver. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
714 |
theByteCode := optByteCode |
0 | 715 |
]. |
716 |
||
104 | 717 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
0 | 718 |
theArg notNil ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
719 |
theArg codeOn:aStream inBlock:b for:aCompiler |
0 | 720 |
]. |
53 | 721 |
|
103 | 722 |
needLineNr := true. |
723 |
theArg isNil ifTrue:[ |
|
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
724 |
theReceiver isMessage ifTrue:[ |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
725 |
(aCompiler hasLineNumber:(theReceiver selector)) ifTrue:[ |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
726 |
theReceiver lineNumber == lineNr ifTrue:[ |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
727 |
needLineNr := false |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
728 |
] |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
729 |
] |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
730 |
] |
103 | 731 |
]. |
732 |
||
733 |
needLineNr ifTrue:[ |
|
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
734 |
(lineNr between:1 and:255) ifTrue:[ |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
735 |
aStream nextPut:#lineno; nextPut:lineNr. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
736 |
] |
53 | 737 |
]. |
738 |
||
0 | 739 |
aStream nextPut:theByteCode. |
740 |
pos := aStream position. |
|
741 |
aStream nextPut:0. |
|
104 | 742 |
(argArray at: 1) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
76 | 743 |
|
744 |
code := aStream contents. |
|
0 | 745 |
valueNeeded ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
746 |
aStream nextPut:#jump. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
747 |
pos2 := aStream position. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
748 |
aStream nextPut:0. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
749 |
code at:pos put:(aStream position). |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
750 |
aStream nextPut:#pushNil. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
751 |
code at:pos2 put:(aStream position) |
0 | 752 |
] ifFalse:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
753 |
code at:pos put:(aStream position) |
0 | 754 |
] |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
755 |
|
309 | 756 |
"Modified: 18.7.1996 / 10:04:13 / cg" |
0 | 757 |
! |
758 |
||
140 | 759 |
codeOn:aStream inBlock:b for:aCompiler |
760 |
self codeOn:aStream inBlock:b valueNeeded:true for:aCompiler |
|
0 | 761 |
! |
762 |
||
104 | 763 |
codeOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
764 |
|recType nargs isBuiltIn litIndex cls clsLitIndex code isSpecial |
531 | 765 |
specialCode stackTop arg1| |
0 | 766 |
|
767 |
argArray isNil ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
768 |
nargs := 0 |
0 | 769 |
] ifFalse:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
770 |
nargs := argArray size |
0 | 771 |
]. |
772 |
||
199
1b3b350a3f59
moved bytecode query methods into compiler;
Claus Gittinger <cg@exept.de>
parents:
189
diff
changeset
|
773 |
isBuiltIn := isSpecial := false. |
117 | 774 |
recType := receiver type. |
0 | 775 |
|
776 |
(nargs == 0) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
777 |
(recType == #ThisContext) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
778 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
779 |
"for now, only do it in methods" |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
780 |
b isNil ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
781 |
(selector == #restart) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
782 |
aStream nextPut:#jump; nextPut:1. "jump to start" |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
783 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
784 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
785 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
786 |
(selector == #return) ifTrue:[ "^ nil" |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
787 |
aStream nextPut:#retNil. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
788 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
789 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
790 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
791 |
]. |
52 | 792 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
793 |
receiver isBlock ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
794 |
selector == #value ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
795 |
receiver codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
796 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
797 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
798 |
((selector == #whileTrue) or:[selector == #whileFalse]) ifTrue:[ |
436 | 799 |
^ self codeWhileOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
800 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
801 |
]. |
436 | 802 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
803 |
isBuiltIn := aCompiler isBuiltInUnarySelector:selector forReceiver:receiver. |
0 | 804 |
]. |
805 |
||
806 |
(nargs == 1) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
807 |
(recType == #ThisContext) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
808 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
809 |
(selector == #return:) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
810 |
(argArray at:1) codeOn:aStream inBlock:b for:aCompiler. "^ value" |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
811 |
aStream nextPut:#retTop. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
812 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
813 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
814 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
815 |
]. |
19 | 816 |
|
436 | 817 |
arg1 := argArray at:1. |
818 |
(arg1 isBlock) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
819 |
((selector == #ifTrue:) or:[selector == #ifFalse:]) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
820 |
receiver isBlock ifFalse:[ |
436 | 821 |
^ self codeIfOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
822 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
823 |
]. |
289 | 824 |
|
825 |
(selector == #or:) ifTrue:[ |
|
436 | 826 |
^ self codeOrOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
827 |
]. |
289 | 828 |
|
829 |
(selector == #and:) ifTrue:[ |
|
436 | 830 |
^ self codeAndOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
289 | 831 |
]. |
832 |
||
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
833 |
(selector == #timesRepeat:) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
834 |
(receiver isConstant and:[receiver evaluate isNumber]) ifTrue:[ |
436 | 835 |
^ self codeTimesRepeatOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
836 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
837 |
]. |
0 | 838 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
839 |
((selector == #whileTrue:) or:[selector == #whileFalse:]) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
840 |
(receiver isBlock) ifTrue:[ |
436 | 841 |
^ self codeWhileOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
842 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
843 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
844 |
]. |
436 | 845 |
|
846 |
selector == #? ifTrue:[ |
|
847 |
arg1 isMessage ifFalse:[ |
|
848 |
^ self codeQuestOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
849 |
] |
|
850 |
]. |
|
851 |
||
400
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
852 |
isBuiltIn := aCompiler isBuiltIn1ArgSelector:selector forReceiver:receiver. |
0 | 853 |
]. |
854 |
||
855 |
(nargs == 2) ifTrue:[ |
|
536
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
856 |
arg1 := argArray at:1. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
857 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
858 |
((selector == #ifTrue:ifFalse:) or:[selector == #ifFalse:ifTrue:]) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
859 |
receiver isBlock ifFalse:[ |
536
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
860 |
arg1 isBlock ifTrue:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
861 |
(argArray at:2) isBlock ifTrue:[ |
436 | 862 |
^ self codeIfElseOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
863 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
864 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
865 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
866 |
]. |
536
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
867 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
868 |
selector == #to:do: ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
869 |
(receiver isConstant |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
870 |
and:[receiver type == #Integer]) ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
871 |
(arg1 isConstant |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
872 |
and:[arg1 type == #Integer]) ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
873 |
receiver value <= arg1 value ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
874 |
(argArray at:2) isBlock ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
875 |
(argArray at:2) blockArgAccessed ifFalse:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
876 |
'inline to:do: as timesRepeat ...' infoPrintCR. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
877 |
^ self codeSimpleToDoOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
878 |
] |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
879 |
]. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
880 |
] |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
881 |
] |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
882 |
] |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
883 |
]. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
884 |
|
400
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
885 |
isBuiltIn := aCompiler isBuiltIn2ArgSelector:selector forReceiver:receiver. |
531 | 886 |
]. |
887 |
||
888 |
isBuiltIn ifFalse:[ |
|
889 |
specialCode := aCompiler specialSendCodeFor:selector. |
|
890 |
isSpecial := specialCode notNil. |
|
0 | 891 |
]. |
892 |
||
893 |
"can we use a send-bytecode ?" |
|
199
1b3b350a3f59
moved bytecode query methods into compiler;
Claus Gittinger <cg@exept.de>
parents:
189
diff
changeset
|
894 |
(isBuiltIn or:[isSpecial]) ifTrue:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
895 |
receiver isSuper ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
896 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
897 |
(nargs > 0) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
898 |
(argArray at:1) codeOn:aStream inBlock:b for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
899 |
(nargs > 1) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
900 |
(argArray at:2) codeOn:aStream inBlock:b for:aCompiler |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
901 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
902 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
903 |
aStream nextPut:selector. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
904 |
(aCompiler hasLineNumber:selector) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
905 |
aStream nextPut:lineNr. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
906 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
907 |
isSpecial ifTrue:[ |
531 | 908 |
aStream nextPut:specialCode |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
909 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
910 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
911 |
aStream nextPut:#drop |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
912 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
913 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
914 |
] |
0 | 915 |
]. |
916 |
||
917 |
((nargs == 0) and:[selector == #yourself]) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
918 |
"yourself is often added to get the receiver - |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
919 |
we get it without the yourself-message" |
0 | 920 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
921 |
valueNeeded ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
922 |
receiver codeOn:aStream inBlock:b for:aCompiler |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
923 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
924 |
^ self |
0 | 925 |
]. |
926 |
||
927 |
"no - generate a send" |
|
117 | 928 |
|
929 |
receiver isSuper ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
930 |
cls := aCompiler targetClass. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
931 |
receiver isHere ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
932 |
code := #hereSend. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
933 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
934 |
code := #superSend. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
935 |
cls := cls superclass. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
936 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
937 |
clsLitIndex := aCompiler addLiteral:cls. |
117 | 938 |
] ifFalse:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
939 |
clsLitIndex := 0. |
0 | 940 |
]. |
106 | 941 |
|
117 | 942 |
litIndex := aCompiler addLiteral:selector. |
943 |
(litIndex <= 255 and:[clsLitIndex <= 255]) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
944 |
stackTop := nil. |
117 | 945 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
946 |
(recType ~~ #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
947 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
948 |
receiver isConstant ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
949 |
stackTop := receiver |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
950 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
951 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
952 |
argArray notNil ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
953 |
argArray do:[:arg | |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
954 |
(stackTop notNil |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
955 |
and:[arg canReuseAsArg:stackTop]) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
956 |
aStream nextPut:#dup. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
957 |
"/ 'reuse:' print. stackTop print. ' in ' print. aCompiler selector printNL. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
958 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
959 |
arg codeOn:aStream inBlock:b for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
960 |
stackTop := arg. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
961 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
962 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
963 |
]. |
106 | 964 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
965 |
receiver isSuper ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
966 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:nargs; nextPut:clsLitIndex. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
967 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
968 |
aStream nextPut:#drop |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
969 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
970 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
971 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
972 |
|
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
973 |
(nargs <= 3) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
974 |
|codes| |
106 | 975 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
976 |
valueNeeded ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
977 |
(receiver type == #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
978 |
codes := #(sendSelf0 sendSelf1 sendSelf2 sendSelf3) |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
979 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
980 |
codes := #(send0 send1 send2 send3) |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
981 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
982 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
983 |
(receiver type == #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
984 |
codes := #(sendSelfDrop0 sendSelfDrop1 sendSelfDrop2 sendSelfDrop3) |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
985 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
986 |
codes := #(sendDrop0 sendDrop1 sendDrop2 sendDrop3) |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
987 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
988 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
989 |
aStream nextPut:(codes at:(nargs + 1)); nextPut:lineNr; nextPut:litIndex. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
990 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
991 |
]. |
106 | 992 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
993 |
(recType == #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
994 |
code := #sendSelf |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
995 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
996 |
valueNeeded ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
997 |
code := #send |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
998 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
999 |
code := #sendDrop |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1000 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1001 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1002 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:nargs. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1003 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1004 |
(recType == #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1005 |
aStream nextPut:#drop |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1006 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1007 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1008 |
^ self |
106 | 1009 |
]. |
1010 |
||
1011 |
"needs 16bit literal index" |
|
117 | 1012 |
|
48 | 1013 |
receiver isSuper ifTrue:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1014 |
argArray notNil ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1015 |
argArray do:[:arg | |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1016 |
arg codeOn:aStream inBlock:b for:aCompiler |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1017 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1018 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1019 |
receiver isHere ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1020 |
code := #hereSendL |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1021 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1022 |
code := #superSendL. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1023 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1024 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:0; nextPut:nargs; nextPut:clsLitIndex; nextPut:0. |
117 | 1025 |
] ifFalse:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1026 |
recType ~~ #Self ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1027 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1028 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1029 |
argArray notNil ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1030 |
argArray do:[:arg | |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1031 |
arg codeOn:aStream inBlock:b for:aCompiler |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1032 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1033 |
]. |
117 | 1034 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1035 |
recType == #Self ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1036 |
code := #sendSelfL |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1037 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1038 |
code := #sendL |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1039 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1040 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:0; nextPut:nargs. |
0 | 1041 |
]. |
117 | 1042 |
valueNeeded ifFalse:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1043 |
aStream nextPut:#drop |
0 | 1044 |
]. |
117 | 1045 |
|
1046 |
"Modified: 3.9.1995 / 12:55:42 / claus" |
|
536
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1047 |
"Modified: 18.6.1997 / 11:52:17 / cg" |
0 | 1048 |
! |
1049 |
||
338
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1050 |
codeOrIfElseOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1051 |
"generate code for (x or:[y]) ifxxx:[ ... ] ifyyy:[ ... ]" |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1052 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1053 |
|theByteCode optByteCode theReceiver theArg pos1 pos2 pos3 code here jmp| |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1054 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1055 |
theByteCode := #trueJump. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1056 |
theReceiver := receiver receiver. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1057 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1058 |
optByteCode := self optimizedConditionFor:theReceiver |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1059 |
with:theByteCode. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1060 |
optByteCode notNil ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1061 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1062 |
theArg := theReceiver arg1 |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1063 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1064 |
theReceiver := theReceiver receiver. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1065 |
theByteCode := optByteCode |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1066 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1067 |
"/ code the left-of the or-part |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1068 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1069 |
theArg notNil ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1070 |
theArg codeOn:aStream inBlock:b for:aCompiler |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1071 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1072 |
aStream nextPut:theByteCode. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1073 |
pos1 := aStream position. "/ remember branch target of left-ok branch |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1074 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1075 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1076 |
"/ code the right of the and-part |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1077 |
theReceiver := receiver arg1. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1078 |
theReceiver codeInlineOn:aStream inBlock:b for:aCompiler. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1079 |
(selector == #ifTrue:ifFalse:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1080 |
jmp := #falseJump |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1081 |
] ifFalse:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1082 |
jmp := #trueJump |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1083 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1084 |
aStream nextPut:jmp. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1085 |
pos2 := aStream position. "/ remember branch target of right-fail branch |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1086 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1087 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1088 |
code := aStream contents. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1089 |
(selector == #ifTrue:ifFalse:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1090 |
code at:pos1 put:(aStream position) |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1091 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1092 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1093 |
"/ code the if-block |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1094 |
(argArray at: 1) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1095 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1096 |
aStream nextPut:#jump. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1097 |
pos3 := aStream position. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1098 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1099 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1100 |
here := aStream position. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1101 |
(selector == #ifFalse:ifTrue:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1102 |
code at:pos1 put:here |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1103 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1104 |
code at:pos2 put:here. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1105 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1106 |
"/ code the else-block |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1107 |
(argArray at: 2) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1108 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1109 |
code at:pos3 put:(aStream position) |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1110 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1111 |
"Created: 6.9.1996 / 13:08:52 / cg" |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1112 |
! |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1113 |
|
140 | 1114 |
codeOrIfOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
1115 |
"generate code for (x or:[y]) ifxxx:[ ... ]" |
|
1116 |
||
1117 |
|theByteCode optByteCode theReceiver theArg pos1 pos2 pos3 code here jmp| |
|
1118 |
||
1119 |
theByteCode := #trueJump. |
|
1120 |
theReceiver := receiver receiver. |
|
1121 |
||
1122 |
optByteCode := self optimizedConditionFor:theReceiver with:theByteCode. |
|
1123 |
optByteCode notNil ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1124 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1125 |
theArg := theReceiver arg1 |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1126 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1127 |
theReceiver := theReceiver receiver. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1128 |
theByteCode := optByteCode |
140 | 1129 |
]. |
1130 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
|
1131 |
theArg notNil ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1132 |
theArg codeOn:aStream inBlock:b for:aCompiler |
140 | 1133 |
]. |
1134 |
aStream nextPut:theByteCode. |
|
1135 |
pos1 := aStream position. |
|
1136 |
aStream nextPut:0. |
|
1137 |
||
1138 |
||
1139 |
theReceiver := receiver arg1. |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1140 |
theArg := nil. |
140 | 1141 |
|
1142 |
"new:" |
|
1143 |
(selector == #ifTrue:) ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1144 |
theByteCode := #falseJump |
140 | 1145 |
] ifFalse:[ |
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1146 |
theByteCode := #trueJump |
140 | 1147 |
]. |
1148 |
optByteCode := self optimizedConditionFor:theReceiver with:theByteCode. |
|
1149 |
optByteCode notNil ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1150 |
theReceiver isBlock ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1151 |
theReceiver := theReceiver statements expression |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1152 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1153 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1154 |
theArg := theReceiver arg1 |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1155 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1156 |
theReceiver := theReceiver receiver. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1157 |
theByteCode := optByteCode. |
140 | 1158 |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1159 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1160 |
theArg notNil ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1161 |
theArg codeOn:aStream inBlock:b for:aCompiler |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1162 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1163 |
aStream nextPut:theByteCode. |
140 | 1164 |
|
1165 |
] ifFalse:[ |
|
1166 |
"org" |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1167 |
theReceiver codeInlineOn:aStream inBlock:b for:aCompiler. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1168 |
(selector == #ifTrue:) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1169 |
jmp := #falseJump |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1170 |
] ifFalse:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1171 |
jmp := #trueJump |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1172 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1173 |
aStream nextPut:jmp |
140 | 1174 |
]. |
1175 |
pos2 := aStream position. |
|
1176 |
aStream nextPut:0. |
|
1177 |
(selector == #ifTrue:) ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1178 |
(aStream contents) at:pos1 put:(aStream position) |
140 | 1179 |
]. |
1180 |
(argArray at: 1) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
1181 |
||
1182 |
code := aStream contents. |
|
1183 |
valueNeeded ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1184 |
aStream nextPut:#jump. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1185 |
pos3 := aStream position. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1186 |
aStream nextPut:0. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1187 |
here := aStream position. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1188 |
(selector == #ifFalse:) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1189 |
code at:pos1 put:here |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1190 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1191 |
code at:pos2 put:here. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1192 |
aStream nextPut:#pushNil. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1193 |
code at:pos3 put:(aStream position) |
140 | 1194 |
] ifFalse:[ |
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1195 |
here := aStream position. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1196 |
(selector == #ifFalse:) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1197 |
code at:pos1 put:here |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1198 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1199 |
code at:pos2 put:here |
140 | 1200 |
] |
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1201 |
|
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1202 |
"Modified: 9.11.1996 / 19:52:26 / cg" |
140 | 1203 |
! |
1204 |
||
289 | 1205 |
codeOrOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
1206 |
"generate code for (x or:[y])" |
|
1207 |
||
1208 |
|pos1 rightExpr| |
|
1209 |
||
1210 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
|
1211 |
valueNeeded ifTrue:[ |
|
1212 |
aStream nextPut:#dup. |
|
1213 |
]. |
|
1214 |
aStream nextPut:#trueJump. |
|
1215 |
pos1 := aStream position. |
|
1216 |
aStream nextPut:0. |
|
1217 |
valueNeeded ifTrue:[ |
|
1218 |
aStream nextPut:#drop. |
|
1219 |
]. |
|
1220 |
rightExpr := argArray at:1. |
|
1221 |
rightExpr codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
1222 |
||
1223 |
(aStream contents) at:pos1 put:(aStream position) |
|
1224 |
||
1225 |
"Created: 17.6.1996 / 15:40:22 / cg" |
|
1226 |
"Modified: 17.6.1996 / 15:47:22 / cg" |
|
1227 |
! |
|
1228 |
||
436 | 1229 |
codeQuestOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
1230 |
"generate code for x ? y. However, this is only done for non-send |
|
1231 |
args." |
|
1232 |
||
1233 |
|pos code| |
|
1234 |
||
1235 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
|
1236 |
aStream nextPut:#dup. |
|
1237 |
aStream nextPut:#notNilJump. |
|
1238 |
pos := aStream position. |
|
437 | 1239 |
aStream nextPut:0. |
436 | 1240 |
|
1241 |
aStream nextPut:#drop. |
|
1242 |
(argArray at: 1) codeOn:aStream inBlock:b for:aCompiler. |
|
1243 |
||
1244 |
code := aStream contents. |
|
1245 |
code at:pos put:(aStream position) |
|
1246 |
||
1247 |
"Created: 10.11.1996 / 18:28:57 / cg" |
|
1248 |
! |
|
1249 |
||
104 | 1250 |
codeSendOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
0 | 1251 |
"like code on, but assumes that receiver has already been |
1252 |
coded onto stack - needed for cascade" |
|
1253 |
||
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
1254 |
|nargs isBuiltIn code codeL litIndex cls clsLitIndex| |
0 | 1255 |
|
1256 |
argArray isNil ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1257 |
nargs := 0 |
0 | 1258 |
] ifFalse:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1259 |
nargs := argArray size |
0 | 1260 |
]. |
1261 |
||
1262 |
isBuiltIn := false. |
|
1263 |
||
1264 |
(nargs == 0) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1265 |
isBuiltIn := aCompiler isBuiltInUnarySelector:selector forReceiver:receiver |
0 | 1266 |
]. |
1267 |
(nargs == 1) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1268 |
isBuiltIn := aCompiler isBuiltIn1ArgSelector:selector forReceiver:receiver |
0 | 1269 |
]. |
1270 |
(nargs == 2) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1271 |
isBuiltIn := aCompiler isBuiltIn2ArgSelector:selector forReceiver:receiver |
0 | 1272 |
]. |
1273 |
||
1274 |
"can we use a send-bytecode ?" |
|
1275 |
isBuiltIn ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1276 |
receiver isSuper ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1277 |
(nargs > 0) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1278 |
(argArray at:1) codeOn:aStream inBlock:b for:aCompiler. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1279 |
(nargs > 1) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1280 |
(argArray at:2) codeOn:aStream inBlock:b for:aCompiler |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1281 |
] |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1282 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1283 |
aStream nextPut:selector. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1284 |
(aCompiler hasLineNumber:selector) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1285 |
aStream nextPut:lineNr. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1286 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1287 |
valueNeeded ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1288 |
aStream nextPut:#drop |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1289 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1290 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1291 |
] |
0 | 1292 |
]. |
1293 |
||
1294 |
argArray notNil ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1295 |
argArray do:[:arg | |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1296 |
arg codeOn:aStream inBlock:b for:aCompiler |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1297 |
] |
0 | 1298 |
]. |
1299 |
||
48 | 1300 |
receiver isSuper ifTrue:[ |
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
1301 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1302 |
cls := aCompiler targetClass. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1303 |
receiver isHere ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1304 |
code := #hereSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1305 |
codeL := #hereSendL |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1306 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1307 |
code := #superSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1308 |
codeL := #superSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1309 |
cls := cls superclass. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1310 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1311 |
clsLitIndex := aCompiler addLiteral:cls. |
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
1312 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1313 |
litIndex := aCompiler addLiteral:selector. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1314 |
(litIndex <= 255 and:[clsLitIndex <= 255]) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1315 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:nargs; nextPut:clsLitIndex. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1316 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1317 |
aStream nextPut:codeL; nextPut:lineNr; nextPut:litIndex; nextPut:0; nextPut:nargs; nextPut:clsLitIndex; nextPut:0. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1318 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1319 |
valueNeeded ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1320 |
aStream nextPut:#drop |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1321 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1322 |
^ self |
0 | 1323 |
]. |
1324 |
(nargs == 0) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1325 |
(selector == #yourself) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1326 |
"yourself is often added to get the receiver - |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1327 |
we get it without the yourself-message" |
0 | 1328 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1329 |
valueNeeded ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1330 |
aStream nextPut:#drop |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1331 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1332 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1333 |
]. |
49 | 1334 |
]. |
0 | 1335 |
|
117 | 1336 |
litIndex := aCompiler addLiteral:selector. |
1337 |
litIndex <= 255 ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1338 |
(nargs <= 3) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1339 |
valueNeeded ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1340 |
code := #(send0 send1 send2 send3) at:(nargs+1). |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1341 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1342 |
code := #(sendDrop0 sendDrop1 sendDrop2 sendDrop3) at:(nargs+1). |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1343 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1344 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1345 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1346 |
]. |
106 | 1347 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1348 |
valueNeeded ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1349 |
code := #send |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1350 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1351 |
code := #sendDrop |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1352 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1353 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:nargs. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1354 |
^ self |
0 | 1355 |
]. |
49 | 1356 |
|
0 | 1357 |
valueNeeded ifTrue:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1358 |
code := #sendL |
0 | 1359 |
] ifFalse:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1360 |
code := #sendDropL |
0 | 1361 |
]. |
117 | 1362 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:0; nextPut:nargs |
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
1363 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1364 |
"Modified: 17.4.1996 / 22:33:35 / cg" |
0 | 1365 |
! |
1366 |
||
536
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1367 |
codeSimpleToDoOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1368 |
"generate code for n to:n do:[:unusedArg | ... ]" |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1369 |
|
537 | 1370 |
|pos pos2 start stop lateEval| |
536
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1371 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1372 |
start := receiver. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1373 |
stop := (argArray at:1). |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1374 |
stop isConstant ifFalse:[self halt:'should not happen']. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1375 |
(stop evaluate isMemberOf:SmallInteger) ifFalse:[self halt:'should not happen']. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1376 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1377 |
start codeOn:aStream inBlock:b for:aCompiler. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1378 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1379 |
lateEval := false. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1380 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1381 |
valueNeeded ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1382 |
"/ easily reconstructable - no need to keep on stack |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1383 |
start isConstant ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1384 |
(start evaluate isMemberOf:SmallInteger) ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1385 |
lateEval := true. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1386 |
] |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1387 |
]. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1388 |
lateEval ifFalse:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1389 |
aStream nextPut:#dup |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1390 |
]. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1391 |
]. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1392 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1393 |
pos := aStream position. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1394 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1395 |
aStream nextPut:#dup. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1396 |
stop codeOn:aStream inBlock:b for:aCompiler. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1397 |
aStream nextPut:#>. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1398 |
(aCompiler hasLineNumber:selector) ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1399 |
aStream nextPut:lineNr. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1400 |
]. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1401 |
aStream nextPut:#trueJump. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1402 |
pos2 := aStream position. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1403 |
aStream nextPut:0. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1404 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1405 |
(argArray at:2) codeInlineOn:aStream inBlock:b valueNeeded:false for:aCompiler. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1406 |
aStream nextPut:#plus1; nextPut:lineNr; nextPut:#jump; nextPut:pos. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1407 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1408 |
(aStream contents) at:pos2 put:(aStream position). |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1409 |
aStream nextPut:#drop. "/ drop run variable |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1410 |
lateEval ifTrue:[ |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1411 |
start codeOn:aStream inBlock:b for:aCompiler. |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1412 |
] |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1413 |
|
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1414 |
"Created: 18.6.1997 / 11:51:53 / cg" |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1415 |
"Modified: 18.6.1997 / 11:55:50 / cg" |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1416 |
! |
9fe0b3be6672
better code for <int> to: <int> do:[unusedArg | ...]
Claus Gittinger <cg@exept.de>
parents:
531
diff
changeset
|
1417 |
|
140 | 1418 |
codeTimesRepeatOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
1419 |
"generate code for n timesRepeat:[ ... ]" |
|
1420 |
||
349
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1421 |
|pos pos2 theReceiver lateEval| |
140 | 1422 |
|
1423 |
theReceiver := receiver. |
|
1424 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
|
349
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1425 |
|
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1426 |
lateEval := false. |
528
0a35ed44989f
oops - timesRepeat dupped one too many
Claus Gittinger <cg@exept.de>
parents:
437
diff
changeset
|
1427 |
|
349
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1428 |
valueNeeded ifTrue:[ |
528
0a35ed44989f
oops - timesRepeat dupped one too many
Claus Gittinger <cg@exept.de>
parents:
437
diff
changeset
|
1429 |
"/ easily reconstructable - no need to keep on stack |
349
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1430 |
theReceiver isConstant ifTrue:[ |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1431 |
(theReceiver evaluate isMemberOf:SmallInteger) ifTrue:[ |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1432 |
lateEval := true. |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1433 |
] |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1434 |
]. |
528
0a35ed44989f
oops - timesRepeat dupped one too many
Claus Gittinger <cg@exept.de>
parents:
437
diff
changeset
|
1435 |
lateEval ifFalse:[ |
0a35ed44989f
oops - timesRepeat dupped one too many
Claus Gittinger <cg@exept.de>
parents:
437
diff
changeset
|
1436 |
aStream nextPut:#dup |
0a35ed44989f
oops - timesRepeat dupped one too many
Claus Gittinger <cg@exept.de>
parents:
437
diff
changeset
|
1437 |
]. |
349
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1438 |
]. |
96 | 1439 |
|
140 | 1440 |
pos := aStream position. |
1441 |
aStream nextPut:#pushgt0; nextPut:lineNr; nextPut:#falseJump. |
|
1442 |
pos2 := aStream position. |
|
1443 |
aStream nextPut:0. |
|
1444 |
||
1445 |
(argArray at:1) codeInlineOn:aStream inBlock:b valueNeeded:false for:aCompiler. |
|
1446 |
aStream nextPut:#minus1; nextPut:lineNr; nextPut:#jump; nextPut:pos. |
|
1447 |
||
1448 |
(aStream contents) at:pos2 put:(aStream position). |
|
528
0a35ed44989f
oops - timesRepeat dupped one too many
Claus Gittinger <cg@exept.de>
parents:
437
diff
changeset
|
1449 |
aStream nextPut:#drop. "/ drop run variable |
349
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1450 |
lateEval ifTrue:[ |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1451 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1452 |
] |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1453 |
|
528
0a35ed44989f
oops - timesRepeat dupped one too many
Claus Gittinger <cg@exept.de>
parents:
437
diff
changeset
|
1454 |
"Modified: 27.5.1997 / 14:28:49 / cg" |
140 | 1455 |
! |
1456 |
||
1457 |
codeWhileOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
|
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1458 |
"generate code for |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1459 |
[...] whileXXX:[ ... ] |
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1460 |
and also |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1461 |
[...] whileXXX |
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1462 |
" |
140 | 1463 |
|
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1464 |
|pos pos2 theReceiver theArg theByteCode optByteCode needLineNr blockExpr |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1465 |
hasLoopBlock fastReceiver| |
0 | 1466 |
|
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1467 |
hasLoopBlock := true. |
140 | 1468 |
(selector == #whileTrue:) ifTrue:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1469 |
theByteCode := #falseJump. |
0 | 1470 |
] ifFalse:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1471 |
(selector == #whileFalse:) ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1472 |
theByteCode := #trueJump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1473 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1474 |
hasLoopBlock := false. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1475 |
(selector == #whileTrue) ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1476 |
theByteCode := #trueJump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1477 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1478 |
theByteCode := #falseJump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1479 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1480 |
] |
140 | 1481 |
]. |
1482 |
||
1483 |
theReceiver := receiver. |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1484 |
|
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1485 |
(receiver isBlock |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1486 |
and:[receiver statements notNil |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1487 |
and:[receiver statements nextStatement isNil |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1488 |
and:[receiver statements expression notNil]]]) |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1489 |
ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1490 |
fastReceiver := receiver statements expression. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1491 |
optByteCode := self optimizedConditionFor:fastReceiver with:theByteCode. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1492 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1493 |
optByteCode := self optimizedConditionFor:theReceiver with:theByteCode. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1494 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1495 |
|
140 | 1496 |
optByteCode notNil ifTrue:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1497 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1498 |
theArg := receiver statements expression arg1 |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1499 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1500 |
theReceiver := receiver statements expression receiver. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1501 |
theByteCode := optByteCode |
140 | 1502 |
]. |
1503 |
||
1504 |
"/ OLD: |
|
1505 |
"/ valueNeeded ifTrue:[aStream nextPut:#pushNil]. |
|
1506 |
"/ |
|
167 | 1507 |
needLineNr := true. |
1508 |
||
140 | 1509 |
pos := aStream position. |
386 | 1510 |
|
389
8aa5f9f08139
care for lineNumber in while-loop
Claus Gittinger <cg@exept.de>
parents:
386
diff
changeset
|
1511 |
"/ aCompiler lineNumberInfo == #full ifTrue:[ |
386 | 1512 |
ParseNode codeLineNumber:lineNr on:aStream for:aCompiler. |
389
8aa5f9f08139
care for lineNumber in while-loop
Claus Gittinger <cg@exept.de>
parents:
386
diff
changeset
|
1513 |
needLineNr := false. |
8aa5f9f08139
care for lineNumber in while-loop
Claus Gittinger <cg@exept.de>
parents:
386
diff
changeset
|
1514 |
"/ ]. |
386 | 1515 |
|
140 | 1516 |
optByteCode notNil ifTrue:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1517 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1518 |
theArg notNil ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1519 |
theArg codeOn:aStream inBlock:b for:aCompiler |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1520 |
] |
140 | 1521 |
] ifFalse:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1522 |
fastReceiver notNil ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1523 |
theByteCode == #trueJump ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1524 |
fastReceiver isConstant ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1525 |
fastReceiver evaluate == true ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1526 |
theByteCode := #jump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1527 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1528 |
fastReceiver evaluate == false ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1529 |
theByteCode := #never |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1530 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1531 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1532 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1533 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1534 |
theByteCode == #falseJump ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1535 |
fastReceiver isConstant ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1536 |
fastReceiver evaluate == false ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1537 |
theByteCode := #jump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1538 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1539 |
fastReceiver evaluate == true ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1540 |
theByteCode := #never |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1541 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1542 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1543 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1544 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1545 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1546 |
]. |
167 | 1547 |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1548 |
(theByteCode ~~ #jump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1549 |
and:[theByteCode ~~ #never]) ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1550 |
theReceiver codeInlineOn:aStream inBlock:b for:aCompiler. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1551 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1552 |
|
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1553 |
"/ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1554 |
"/ cannot enable code below |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1555 |
"/ (tiny loops would not be debuggable with next, since lineNo remains the same) |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1556 |
"/ think about it ... |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1557 |
"/ |
386 | 1558 |
blockExpr := theReceiver simpleSendBlockExpression. |
1559 |
blockExpr notNil ifTrue:[ |
|
1560 |
blockExpr isMessage ifTrue:[ |
|
1561 |
(aCompiler hasLineNumber:(blockExpr selector)) ifTrue:[ |
|
1562 |
blockExpr lineNumber == lineNr ifTrue:[ |
|
1563 |
needLineNr := false |
|
1564 |
] |
|
1565 |
] |
|
1566 |
] |
|
1567 |
]. |
|
140 | 1568 |
]. |
1569 |
||
167 | 1570 |
needLineNr ifTrue:[ |
386 | 1571 |
ParseNode codeLineNumber:lineNr on:aStream for:aCompiler. |
0 | 1572 |
]. |
1573 |
||
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1574 |
hasLoopBlock ifFalse:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1575 |
"/ simple [...] whileXXX |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1576 |
theByteCode ~~ #never ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1577 |
aStream nextPut:theByteCode; nextPut:pos. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1578 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1579 |
|
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1580 |
valueNeeded ifTrue:[aStream nextPut:#pushNil]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1581 |
^ self |
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1582 |
]. |
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1583 |
|
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1584 |
"/ [...] whileXXX:[...] |
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1585 |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1586 |
theByteCode ~~ #never ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1587 |
aStream nextPut:theByteCode. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1588 |
pos2 := aStream position. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1589 |
aStream nextPut:0. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1590 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1591 |
|
140 | 1592 |
(argArray at:1) codeInlineOn:aStream inBlock:b valueNeeded:false for:aCompiler. |
1593 |
aStream nextPut:#jump; nextPut:pos. |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1594 |
theByteCode ~~ #never ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1595 |
(aStream contents) at:pos2 put:(aStream position). |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1596 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1597 |
|
140 | 1598 |
valueNeeded ifTrue:[aStream nextPut:#pushNil]. |
167 | 1599 |
|
389
8aa5f9f08139
care for lineNumber in while-loop
Claus Gittinger <cg@exept.de>
parents:
386
diff
changeset
|
1600 |
"Modified: 22.10.1996 / 21:34:37 / cg" |
140 | 1601 |
! |
1602 |
||
1603 |
optimizedConditionFor:aReceiver with:aByteCode |
|
186 | 1604 |
|rec sel stats| |
0 | 1605 |
|
140 | 1606 |
rec := aReceiver. |
1607 |
(rec isBlock) ifTrue:[ |
|
186 | 1608 |
(stats := rec statements) notNil ifTrue:[ |
1609 |
stats nextStatement isNil ifTrue:[ |
|
1610 |
rec := rec statements expression |
|
1611 |
] |
|
140 | 1612 |
] |
1613 |
]. |
|
1614 |
(rec isUnaryMessage) ifTrue:[ |
|
1615 |
sel := rec selector. |
|
1616 |
(sel == #isNil) ifTrue:[ |
|
1617 |
"/ |
|
1618 |
"/ isNil trueJmp -> nilJump |
|
1619 |
"/ isNil falseJmp -> notNilJump |
|
1620 |
"/ |
|
1621 |
(aByteCode == #trueJump) ifTrue:[^ #nilJump]. |
|
1622 |
(aByteCode == #falseJump) ifTrue:[^ #notNilJump] |
|
1623 |
]. |
|
1624 |
(sel == #notNil) ifTrue:[ |
|
1625 |
"/ |
|
1626 |
"/ notNil trueJmp -> notNilJump |
|
1627 |
"/ notNil falseJmp -> nilJump |
|
1628 |
"/ |
|
1629 |
(aByteCode == #trueJump) ifTrue:[^ #notNilJump]. |
|
1630 |
(aByteCode == #falseJump) ifTrue:[^ #nilJump] |
|
1631 |
]. |
|
1632 |
(sel == #not) ifTrue:[ |
|
1633 |
"/ |
|
1634 |
"/ not trueJmp -> falseJump |
|
1635 |
"/ not falseJmp -> trueJump |
|
1636 |
"/ |
|
1637 |
(aByteCode == #trueJump) ifTrue:[^ #falseJump]. |
|
1638 |
(aByteCode == #falseJump) ifTrue:[^ #trueJump] |
|
1639 |
]. |
|
1640 |
^ nil |
|
0 | 1641 |
]. |
140 | 1642 |
(rec isBinaryMessage) ifTrue:[ |
1643 |
sel := rec selector. |
|
1644 |
rec arg1 isConstant ifTrue:[ |
|
1645 |
(rec arg1 value == 0) ifTrue:[ |
|
1646 |
"/ |
|
1647 |
"/ ==0 trueJmp -> zeroJump |
|
1648 |
"/ ==0 falseJmp -> notZeroJump |
|
1649 |
"/ |
|
1650 |
(sel == #==) ifTrue:[ |
|
1651 |
(aByteCode == #trueJump) ifTrue:[^ #zeroJump]. |
|
1652 |
(aByteCode == #falseJump) ifTrue:[^ #notZeroJump] |
|
1653 |
]. |
|
1654 |
"/ |
|
1655 |
"/ ~~0 trueJmp -> notZeroJump |
|
1656 |
"/ ~~0 falseJmp -> zeroJump |
|
1657 |
"/ |
|
1658 |
(sel == #~~) ifTrue:[ |
|
1659 |
(aByteCode == #falseJump) ifTrue:[^ #zeroJump]. |
|
1660 |
(aByteCode == #trueJump) ifTrue:[^ #notZeroJump] |
|
1661 |
]. |
|
1662 |
^ nil |
|
1663 |
] |
|
1664 |
]. |
|
1665 |
(sel == #==) ifTrue:[ |
|
1666 |
"/ |
|
1667 |
"/ == trueJmp -> eqJump |
|
1668 |
"/ == falseJmp -> notEqJump |
|
1669 |
"/ |
|
1670 |
(aByteCode == #trueJump) ifTrue:[^ #eqJump]. |
|
1671 |
(aByteCode == #falseJump) ifTrue:[^ #notEqJump] |
|
1672 |
]. |
|
1673 |
(sel == #~~) ifTrue:[ |
|
1674 |
"/ |
|
1675 |
"/ ~~ trueJmp -> notEqJump |
|
1676 |
"/ ~~ falseJmp -> eqJump |
|
1677 |
"/ |
|
1678 |
(aByteCode == #falseJump) ifTrue:[^ #eqJump]. |
|
1679 |
(aByteCode == #trueJump) ifTrue:[^ #notEqJump] |
|
1680 |
] |
|
1681 |
]. |
|
1682 |
^ nil |
|
1683 |
! ! |
|
1684 |
||
539
69a1cd05c7d6
added node-walk facility (ST80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
537
diff
changeset
|
1685 |
!MessageNode methodsFor:'enumeration'! |
69a1cd05c7d6
added node-walk facility (ST80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
537
diff
changeset
|
1686 |
|
69a1cd05c7d6
added node-walk facility (ST80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
537
diff
changeset
|
1687 |
nodeDo:anEnumerator |
69a1cd05c7d6
added node-walk facility (ST80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
537
diff
changeset
|
1688 |
"helper for parse tree walking" |
69a1cd05c7d6
added node-walk facility (ST80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
537
diff
changeset
|
1689 |
|
543
de47f8969fd9
more ST80 compatible enumeration
Claus Gittinger <cg@exept.de>
parents:
539
diff
changeset
|
1690 |
|args| |
de47f8969fd9
more ST80 compatible enumeration
Claus Gittinger <cg@exept.de>
parents:
539
diff
changeset
|
1691 |
|
de47f8969fd9
more ST80 compatible enumeration
Claus Gittinger <cg@exept.de>
parents:
539
diff
changeset
|
1692 |
args := argArray ? #(). |
de47f8969fd9
more ST80 compatible enumeration
Claus Gittinger <cg@exept.de>
parents:
539
diff
changeset
|
1693 |
^ anEnumerator doMessage:self receiver:receiver selector:selector arguments:args |
539
69a1cd05c7d6
added node-walk facility (ST80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
537
diff
changeset
|
1694 |
|
69a1cd05c7d6
added node-walk facility (ST80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
537
diff
changeset
|
1695 |
"Created: 19.6.1997 / 16:46:39 / cg" |
543
de47f8969fd9
more ST80 compatible enumeration
Claus Gittinger <cg@exept.de>
parents:
539
diff
changeset
|
1696 |
"Modified: 19.6.1997 / 17:08:28 / cg" |
539
69a1cd05c7d6
added node-walk facility (ST80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
537
diff
changeset
|
1697 |
! ! |
69a1cd05c7d6
added node-walk facility (ST80 compatibility)
Claus Gittinger <cg@exept.de>
parents:
537
diff
changeset
|
1698 |
|
140 | 1699 |
!MessageNode methodsFor:'evaluating'! |
1700 |
||
1701 |
evaluate |
|
1702 |
|r nargs argValueArray class| |
|
1703 |
||
1704 |
receiver isSuper ifTrue:[ |
|
1705 |
r := receiver value. |
|
1706 |
receiver isHere ifTrue:[ |
|
1707 |
class := receiver definingClass. |
|
1708 |
] ifFalse:[ |
|
1709 |
class := receiver definingClass superclass. |
|
1710 |
]. |
|
1711 |
argArray notNil ifTrue:[ |
|
1712 |
argValueArray := argArray collect:[:arg | arg evaluate]. |
|
1713 |
] ifFalse:[ |
|
1714 |
argValueArray := #() |
|
1715 |
]. |
|
1716 |
^ r perform:selector inClass:class withArguments:argValueArray |
|
1717 |
]. |
|
1718 |
||
1719 |
||
1720 |
argArray isNil ifTrue:[ |
|
1721 |
^ (receiver evaluate) perform:selector |
|
1722 |
]. |
|
1723 |
nargs := argArray size. |
|
0 | 1724 |
(nargs == 1) ifTrue:[ |
140 | 1725 |
^ (receiver evaluate) perform:selector with:(argArray at:1) evaluate |
0 | 1726 |
]. |
1727 |
(nargs == 2) ifTrue:[ |
|
140 | 1728 |
^ (receiver evaluate) perform:selector |
1729 |
with:(argArray at:1) evaluate |
|
1730 |
with:(argArray at:2) evaluate |
|
1731 |
]. |
|
1732 |
(nargs == 3) ifTrue:[ |
|
1733 |
^ (receiver evaluate) perform:selector |
|
1734 |
with:(argArray at:1) evaluate |
|
1735 |
with:(argArray at:2) evaluate |
|
1736 |
with:(argArray at:3) evaluate |
|
1737 |
]. |
|
1738 |
r := receiver evaluate. |
|
1739 |
argValueArray := argArray collect:[:arg | arg evaluate]. |
|
1740 |
^ r perform:selector withArguments:argValueArray |
|
1741 |
! |
|
1742 |
||
1743 |
evaluateForCascade |
|
1744 |
|r nargs argValueArray class| |
|
1745 |
||
1746 |
receiver isSuper ifTrue:[ |
|
1747 |
r := receiver value. |
|
1748 |
class := receiver definingClass. |
|
1749 |
receiver isHere ifFalse:[ |
|
1750 |
class := class superclass. |
|
1751 |
]. |
|
1752 |
argArray notNil ifTrue:[ |
|
1753 |
argValueArray := argArray collect:[:arg | arg evaluate]. |
|
1754 |
] ifFalse:[ |
|
1755 |
argValueArray := #() |
|
1756 |
]. |
|
1757 |
r perform:selector inClass:class withArguments:argValueArray. |
|
1758 |
^ r |
|
0 | 1759 |
]. |
1760 |
||
140 | 1761 |
r := receiver evaluate. |
1762 |
argArray isNil ifTrue:[ |
|
1763 |
r perform:selector. |
|
1764 |
^ r |
|
1765 |
]. |
|
1766 |
nargs := argArray size. |
|
1767 |
(nargs == 1) ifTrue:[ |
|
1768 |
r perform:selector with:(argArray at:1) evaluate. |
|
1769 |
^ r |
|
1770 |
]. |
|
1771 |
(nargs == 2) ifTrue:[ |
|
1772 |
r perform:selector with:(argArray at:1) evaluate |
|
1773 |
with:(argArray at:2) evaluate. |
|
1774 |
^ r |
|
1775 |
]. |
|
1776 |
(nargs == 3) ifTrue:[ |
|
1777 |
r perform:selector with:(argArray at:1) evaluate |
|
1778 |
with:(argArray at:2) evaluate |
|
1779 |
with:(argArray at:3) evaluate. |
|
1780 |
^ r |
|
1781 |
]. |
|
1782 |
argValueArray := argArray collect:[:arg | arg evaluate]. |
|
1783 |
r perform:selector withArguments:argValueArray. |
|
1784 |
^ r |
|
1785 |
! ! |
|
1786 |
||
1787 |
!MessageNode methodsFor:'printing'! |
|
1788 |
||
1789 |
printOn:aStream indent:i |
|
1790 |
|needParen selectorParts index index2 arg| |
|
1791 |
||
1792 |
(#(whileTrue: whileFalse:) includes:selector) ifTrue:[ |
|
1793 |
receiver isBlock ifTrue:[ |
|
1794 |
^ self printWhileOn:aStream indent:i |
|
1795 |
]. |
|
1796 |
]. |
|
0 | 1797 |
|
140 | 1798 |
index := 1. |
1799 |
selectorParts := OrderedCollection new. |
|
1800 |
[index == 0] whileFalse:[ |
|
1801 |
index2 := selector indexOf:$: startingAt:index. |
|
1802 |
index2 ~~ 0 ifTrue:[ |
|
1803 |
selectorParts add:(selector copyFrom:index to:index2). |
|
1804 |
index2 := index2 + 1 |
|
1805 |
]. |
|
1806 |
index := index2 |
|
1807 |
]. |
|
1808 |
||
1809 |
needParen := false. |
|
1810 |
receiver isMessage ifTrue:[ |
|
1811 |
receiver isUnaryMessage ifFalse:[ |
|
1812 |
receiver isBinaryMessage ifFalse:[ |
|
1813 |
needParen := true |
|
1814 |
]. |
|
1815 |
]. |
|
1816 |
]. |
|
1817 |
needParen ifTrue:[ |
|
1818 |
aStream nextPutAll:'(' |
|
1819 |
]. |
|
1820 |
receiver printOn:aStream indent:i. |
|
1821 |
needParen ifTrue:[ |
|
1822 |
aStream nextPutAll:')' |
|
1823 |
]. |
|
1824 |
||
1825 |
1 to:(argArray size) do:[:argIndex | |
|
1826 |
aStream space. |
|
1827 |
(selectorParts at:argIndex) printOn:aStream. |
|
1828 |
aStream space. |
|
1829 |
arg := argArray at:argIndex. |
|
1830 |
needParen := false. |
|
1831 |
arg isMessage ifTrue:[ |
|
1832 |
arg isBinaryMessage ifFalse:[ |
|
1833 |
arg isUnaryMessage ifFalse:[ |
|
1834 |
needParen := true |
|
47 | 1835 |
] |
1836 |
]. |
|
140 | 1837 |
]. |
1838 |
needParen ifTrue:[ |
|
1839 |
aStream nextPutAll:'(' |
|
1840 |
]. |
|
1841 |
arg printOn:aStream indent:i. |
|
1842 |
needParen ifTrue:[ |
|
1843 |
aStream nextPutAll:') ' |
|
1844 |
]. |
|
1845 |
] |
|
1846 |
! |
|
1847 |
||
1848 |
printWhileOn:aStream indent:i |
|
1849 |
|needParen arg| |
|
0 | 1850 |
|
140 | 1851 |
"special handling of whileTrue/whileFalse" |
1852 |
||
1853 |
aStream nextPutAll:'['. |
|
1854 |
receiver statements printOn:aStream indent:i. |
|
1855 |
aStream nextPutAll:'] whileTrue: '. |
|
1856 |
||
1857 |
arg := argArray at:1. |
|
1858 |
needParen := false. |
|
1859 |
arg isMessage ifTrue:[ |
|
1860 |
arg isBinaryMessage ifFalse:[ |
|
1861 |
arg isUnaryMessage ifFalse:[ |
|
1862 |
needParen := true |
|
1863 |
] |
|
1864 |
]. |
|
0 | 1865 |
]. |
140 | 1866 |
needParen ifTrue:[ |
1867 |
aStream nextPutAll:'(' |
|
1868 |
]. |
|
1869 |
arg printOn:aStream indent:i. |
|
1870 |
needParen ifTrue:[ |
|
1871 |
aStream nextPutAll:') ' |
|
1872 |
]. |
|
1873 |
! ! |
|
106 | 1874 |
|
140 | 1875 |
!MessageNode methodsFor:'queries'! |
1876 |
||
395 | 1877 |
collectBlocksInto:aCollection |
1878 |
receiver collectBlocksInto:aCollection. |
|
1879 |
argArray size > 0 ifTrue:[ |
|
1880 |
argArray do:[:arg | |
|
1881 |
arg collectBlocksInto:aCollection. |
|
1882 |
] |
|
1883 |
]. |
|
1884 |
||
1885 |
"Created: 23.10.1996 / 15:44:49 / cg" |
|
1886 |
"Modified: 23.10.1996 / 16:03:46 / cg" |
|
1887 |
! |
|
1888 |
||
140 | 1889 |
isMessage |
1890 |
^ true |
|
0 | 1891 |
! ! |
140 | 1892 |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1893 |
!MessageNode class methodsFor:'documentation'! |
148 | 1894 |
|
1895 |
version |
|
543
de47f8969fd9
more ST80 compatible enumeration
Claus Gittinger <cg@exept.de>
parents:
539
diff
changeset
|
1896 |
^ '$Header: /cvs/stx/stx/libcomp/Attic/MessageNd.st,v 1.69 1997-06-20 10:06:27 cg Exp $' |
148 | 1897 |
! ! |