author | Claus Gittinger <cg@exept.de> |
Mon, 11 Nov 1996 14:31:06 +0100 | |
changeset 437 | 994414f5126a |
parent 436 | b34370bb0a74 |
child 528 | 0a35ed44989f |
permissions | -rw-r--r-- |
0 | 1 |
" |
4 | 2 |
COPYRIGHT (c) 1989 by Claus Gittinger |
47 | 3 |
All Rights Reserved |
0 | 4 |
|
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
|
11 |
" |
|
12 |
||
13 |
ParseNode subclass:#MessageNode |
|
166
9f6c57a3bce1
no line number bytecode in if-else if not needed
Claus Gittinger <cg@exept.de>
parents:
163
diff
changeset
|
14 |
instanceVariableNames:'receiver selector argArray lineNr' |
9f6c57a3bce1
no line number bytecode in if-else if not needed
Claus Gittinger <cg@exept.de>
parents:
163
diff
changeset
|
15 |
classVariableNames:'' |
9f6c57a3bce1
no line number bytecode in if-else if not needed
Claus Gittinger <cg@exept.de>
parents:
163
diff
changeset
|
16 |
poolDictionaries:'' |
9f6c57a3bce1
no line number bytecode in if-else if not needed
Claus Gittinger <cg@exept.de>
parents:
163
diff
changeset
|
17 |
category:'System-Compiler-Support' |
0 | 18 |
! |
19 |
||
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
20 |
!MessageNode class methodsFor:'documentation'! |
20 | 21 |
|
22 |
copyright |
|
23 |
" |
|
24 |
COPYRIGHT (c) 1989 by Claus Gittinger |
|
47 | 25 |
All Rights Reserved |
20 | 26 |
|
27 |
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 |
|
32 |
hereby transferred. |
|
33 |
" |
|
34 |
! |
|
35 |
||
36 |
documentation |
|
37 |
" |
|
38 |
node for parse-trees, representing message sends |
|
261 | 39 |
This is a helper class for the compiler. |
263 | 40 |
|
41 |
[author:] |
|
42 |
Claus Gittinger |
|
20 | 43 |
" |
44 |
! ! |
|
0 | 45 |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
46 |
!MessageNode class methodsFor:'instance creation'! |
0 | 47 |
|
48 |
receiver:recNode selector:selectorString |
|
49 |
^ (self basicNew) receiver:recNode selector:selectorString args:nil lineno:0 |
|
50 |
! |
|
51 |
||
140 | 52 |
receiver:recNode selector:selectorString arg1:argNode1 arg2:argNode2 fold:folding |
53 |
|result recVal argVal selector| |
|
54 |
||
55 |
" |
|
56 |
This is just a demonstration - of how complex constants can be folded. |
|
57 |
This was inspired by some discussion in c.l.s about enhancing the language - I prefer |
|
58 |
enhancing the compiler .... |
|
59 |
The following optimization will convert '#(...) with:#(...) collect:[...]' into an array constant, |
|
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
60 |
allowing constant arrays of complex objects. |
140 | 61 |
|
62 |
Notice: this method is normally disabled - its just a demo after all. |
|
63 |
" |
|
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
64 |
folding notNil ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
65 |
"/ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
66 |
"/ do constant folding ... |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
67 |
"/ |
140 | 68 |
(recNode isConstant and:[argNode1 isConstant]) ifTrue:[ |
69 |
"check if we can do it ..." |
|
70 |
selector := selectorString asSymbolIfInterned. |
|
71 |
selector notNil ifTrue:[ |
|
72 |
recVal := recNode evaluate. |
|
73 |
(recVal respondsTo:selector) ifTrue:[ |
|
74 |
" |
|
75 |
we could do much more here - but then, we need a dependency from |
|
76 |
the folded selectors method to the method we generate code for ... |
|
77 |
limit optimizations to those that will never change |
|
78 |
(or - if you change them - you will crash so bad ...) |
|
79 |
" |
|
80 |
argVal := argNode1 evaluate. |
|
81 |
((recVal isMemberOf:Array) and:[argVal isMemberOf:Array]) ifTrue:[ |
|
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
82 |
folding == #full ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
83 |
(selector == #with:collect:) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
84 |
(argNode2 isMemberOf:BlockNode) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
85 |
SignalSet anySignal handle:[:ex | |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
86 |
^ 'error in constant expression (' , ex errorString , ')' |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
87 |
] do:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
88 |
result := recVal perform:selector with:argVal with:(argNode2 evaluate). |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
89 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
90 |
^ ConstantNode type:(ConstantNode typeOfConstant:result) value:result |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
91 |
] |
140 | 92 |
] |
93 |
] |
|
94 |
] |
|
95 |
] |
|
96 |
] |
|
97 |
] |
|
98 |
]. |
|
99 |
^ (self basicNew) receiver:recNode selector:selectorString args:(Array with:argNode1 with:argNode2) lineno:0 |
|
100 |
! |
|
101 |
||
0 | 102 |
receiver:recNode selector:selectorString arg:argNode |
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
103 |
^ self receiver:recNode selector:selectorString arg:argNode fold:nil |
0 | 104 |
! |
105 |
||
106 |
receiver:recNode selector:selectorString arg:argNode fold:folding |
|
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
107 |
|result recVal argVal selector globalName canFold| |
0 | 108 |
|
20 | 109 |
" |
110 |
The constant folding code can usually not optimize much |
|
111 |
- this may change when some kind of constant/macro declaration is added to smalltalk. |
|
112 |
" |
|
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
113 |
folding notNil ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
114 |
selector := selectorString asSymbolIfInterned. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
115 |
selector notNil ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
116 |
|
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
117 |
"/ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
118 |
"/ do constant folding ... |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
119 |
"/ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
120 |
canFold := false. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
121 |
|
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
122 |
(recNode isGlobal and:[argNode isConstant]) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
123 |
globalName := recNode name. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
124 |
recVal := recNode evaluate. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
125 |
|
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
126 |
(globalName = 'SmallInteger') ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
127 |
( #( bitMaskFor: ) includes:selector) |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
128 |
ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
129 |
canFold := true |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
130 |
] |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
131 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
132 |
(globalName = 'Float') ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
133 |
( #( pi unity zero ) includes:selector) |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
134 |
ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
135 |
(recVal respondsTo:selector) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
136 |
canFold := true |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
137 |
] |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
138 |
] |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
139 |
] |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
140 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
141 |
|
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
142 |
(recNode isConstant and:[argNode isConstant]) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
143 |
"check if we can do it ..." |
47 | 144 |
recVal := recNode evaluate. |
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
145 |
" |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
146 |
we could do much more here - but then, we need a dependency from |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
147 |
the folded selectors method to the method we generate code for ... |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
148 |
limit optimizations to those that will never change |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
149 |
(or - if you change them - you will crash so bad ...) |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
150 |
" |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
151 |
argVal := argNode evaluate. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
152 |
(recVal respondsToArithmetic and:[argVal respondsToArithmetic]) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
153 |
( #( + - * / // \\ min: max: quo:) includes:selector) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
154 |
(#( / // \\ ) includes:selector) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
155 |
argVal = 0 ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
156 |
^ 'division by zero in constant expression' |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
157 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
158 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
159 |
canFold := true |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
160 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
161 |
( #( @ ) includes:selector) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
162 |
canFold := (folding == #full) |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
163 |
] |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
164 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
165 |
(recVal isMemberOf:String) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
166 |
(argVal isInteger and:[selector == #at:]) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
167 |
canFold := (folding >= #level2) or:[folding == #full]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
168 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
169 |
((argVal isMemberOf:String) and:[selector == #',']) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
170 |
canFold := (folding >= #level2) or:[folding == #full]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
171 |
] |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
172 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
173 |
]. |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
174 |
|
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
175 |
canFold ifTrue:[ |
47 | 176 |
(recVal respondsTo:selector) ifTrue:[ |
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
177 |
SignalSet anySignal handle:[:ex | |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
178 |
^ 'error in constant expression (' , ex errorString , ')' |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
179 |
] do:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
180 |
result := recVal perform:selector with:argVal. |
47 | 181 |
]. |
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
182 |
^ ConstantNode type:(ConstantNode typeOfConstant:result) value:result |
47 | 183 |
] |
184 |
] |
|
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
185 |
] |
0 | 186 |
]. |
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
187 |
|
0 | 188 |
^ (self basicNew) receiver:recNode selector:selectorString args:(Array with:argNode) lineno:0 |
189 |
! |
|
190 |
||
191 |
receiver:recNode selector:selectorString args:anArray |
|
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
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 |
||
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
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 ..." |
212
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
205 |
(numArgs == 2) ifTrue:[ |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
206 |
^ self receiver:recNode selector:selectorString arg1:(argArray at:1) arg2:(argArray at:2) fold:folding |
ff39051e219f
more constant folding options
Claus Gittinger <cg@exept.de>
parents:
204
diff
changeset
|
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 |
|
140 | 229 |
lineNumber |
230 |
^ lineNr |
|
0 | 231 |
! |
232 |
||
140 | 233 |
lineNumber:num |
234 |
lineNr := num |
|
235 |
! |
|
0 | 236 |
|
140 | 237 |
receiver |
238 |
^ receiver |
|
239 |
! |
|
0 | 240 |
|
140 | 241 |
receiver:r selector:s args:a lineno:l |
242 |
receiver := r. |
|
243 |
selector := s asSymbol. |
|
244 |
argArray := a. |
|
245 |
lineNr := l |
|
246 |
! |
|
247 |
||
248 |
selector |
|
249 |
^ selector |
|
0 | 250 |
! ! |
251 |
||
252 |
!MessageNode methodsFor:'checks'! |
|
253 |
||
254 |
plausibilityCheck |
|
255 |
|rec arg operand| |
|
256 |
||
3 | 257 |
" |
258 |
it once took me almost an hour, to find a '==' which |
|
259 |
should have been an '=' (you cannot compare floats with ==) |
|
19 | 260 |
(well, I looked at the '==' at least 50 times - |
261 |
- but didn't think about it ...). |
|
262 |
thats reason enough to add this check here. |
|
263 |
I will add more as heuristic knowledge increases ... |
|
264 |
(send me comments on common programming errors ...) |
|
265 |
" |
|
266 |
||
267 |
" |
|
268 |
check #== appled to Floats, Strings or Fractions |
|
0 | 269 |
" |
270 |
((selector == #==) or:[selector == #~~]) ifTrue:[ |
|
47 | 271 |
receiver isConstant ifTrue:[ |
272 |
rec := receiver evaluate. |
|
273 |
((rec isMemberOf:String) or:[ |
|
274 |
(rec isMemberOf:Float) or:[ |
|
275 |
(rec isMemberOf:Fraction)]]) ifTrue:[ |
|
276 |
operand := rec |
|
277 |
]. |
|
278 |
]. |
|
279 |
(argArray at:1) isConstant ifTrue:[ |
|
280 |
arg := (argArray at:1) evaluate. |
|
281 |
((arg isMemberOf:String) or:[ |
|
282 |
(arg isMemberOf:Float) or:[ |
|
283 |
(arg isMemberOf:Fraction)]]) ifTrue:[ |
|
284 |
operand := arg |
|
285 |
]. |
|
286 |
]. |
|
287 |
operand notNil ifTrue:[ |
|
288 |
(selector == #==) ifTrue:[ |
|
289 |
^ 'identity compare is unsafe here' |
|
290 |
]. |
|
291 |
^ 'identity compare will usually return true here' |
|
292 |
] |
|
0 | 293 |
]. |
3 | 294 |
|
295 |
" |
|
19 | 296 |
[...] ifTrue:... |
3 | 297 |
an error often occuring when you are a beginner ... |
298 |
" |
|
299 |
((selector == #ifTrue:) or:[selector == #ifFalse:]) ifTrue:[ |
|
47 | 300 |
receiver isBlock ifTrue:[ |
301 |
(Block canUnderstand:selector) ifFalse:[ |
|
302 |
^ 'blocks usually do not respond to ' , selector , ' messages' |
|
303 |
]. |
|
304 |
]. |
|
305 |
(argArray at:1) isBlock ifFalse:[ |
|
306 |
^ 'will fail at runtime, if argument to ' , selector , ' does not evaluate to a block' |
|
307 |
] |
|
3 | 308 |
]. |
19 | 309 |
((selector == #ifTrue:ifFalse:) or:[selector == #ifFalse:ifTrue:]) ifTrue:[ |
47 | 310 |
receiver isBlock ifTrue:[ |
311 |
(Block canUnderstand:selector) ifFalse:[ |
|
312 |
^ 'blocks usually do not respond to ' , selector , ' messages' |
|
313 |
]. |
|
314 |
]. |
|
315 |
(argArray at:1) isBlock ifFalse:[ |
|
316 |
^ 'will fail at runtime, if 1st. argument to ' , selector , ' does not evaluate to a block' |
|
317 |
]. |
|
318 |
(argArray at:2) isBlock ifFalse:[ |
|
319 |
^ 'will fail at runtime, if 2nd. argument to ' , selector , ' does not evaluate to a block' |
|
320 |
] |
|
3 | 321 |
]. |
19 | 322 |
|
323 |
" |
|
324 |
(...) whileTrue:[ |
|
325 |
" |
|
3 | 326 |
((selector == #whileTrue:) or:[selector == #whileFalse:]) ifTrue:[ |
47 | 327 |
receiver isBlock ifFalse:[ |
328 |
" |
|
329 |
only warn, if code was originally parenthized |
|
330 |
" |
|
331 |
receiver parenthized ifTrue:[ |
|
332 |
^ 'will fail at runtime, if receiver of ' , selector , ' does not evaluate to a block' |
|
333 |
] |
|
334 |
]. |
|
335 |
(argArray at:1) isBlock ifFalse:[ |
|
336 |
^ 'will fail at runtime, if argument to ' , selector , ' does not evaluate to a block' |
|
337 |
]. |
|
3 | 338 |
]. |
0 | 339 |
^ nil |
340 |
! ! |
|
341 |
||
342 |
!MessageNode methodsFor:'code generation'! |
|
343 |
||
338
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
344 |
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
|
345 |
"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
|
346 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
347 |
|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
|
348 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
349 |
theByteCode := #falseJump. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
350 |
theReceiver := receiver receiver. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
351 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
352 |
optByteCode := self optimizedConditionFor:theReceiver |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
353 |
with:theByteCode. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
354 |
optByteCode notNil ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
355 |
((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
|
356 |
theArg := theReceiver arg1 |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
357 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
358 |
theReceiver := theReceiver receiver. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
359 |
theByteCode := optByteCode |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
360 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
361 |
"/ 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
|
362 |
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
|
363 |
theArg notNil ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
364 |
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
|
365 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
366 |
aStream nextPut:theByteCode. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
367 |
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
|
368 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
369 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
370 |
"/ 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
|
371 |
theReceiver := receiver arg1. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
372 |
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
|
373 |
(selector == #ifTrue:ifFalse:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
374 |
jmp := #falseJump |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
375 |
] ifFalse:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
376 |
jmp := #trueJump |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
377 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
378 |
aStream nextPut:jmp. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
379 |
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
|
380 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
381 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
382 |
code := aStream contents. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
383 |
(selector == #ifFalse:ifTrue:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
384 |
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
|
385 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
386 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
387 |
"/ code the if-block |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
388 |
(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
|
389 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
390 |
aStream nextPut:#jump. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
391 |
pos3 := aStream position. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
392 |
aStream nextPut:0. |
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 |
here := aStream position. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
395 |
(selector == #ifTrue:ifFalse:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
396 |
code at:pos1 put:here |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
397 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
398 |
code at:pos2 put:here. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
399 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
400 |
"/ code the else-block |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
401 |
(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
|
402 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
403 |
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
|
404 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
405 |
"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
|
406 |
! |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
407 |
|
140 | 408 |
codeAndIfOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
409 |
"generate code for (x and:[y]) ifxxx:[ ... ]" |
|
410 |
||
411 |
|theByteCode optByteCode theReceiver theArg pos1 pos2 pos3 code here jmp| |
|
412 |
||
413 |
||
414 |
theByteCode := #falseJump. |
|
415 |
theReceiver := receiver receiver. |
|
0 | 416 |
|
140 | 417 |
optByteCode := self optimizedConditionFor:theReceiver |
418 |
with:theByteCode. |
|
419 |
optByteCode notNil ifTrue:[ |
|
420 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
|
421 |
theArg := theReceiver arg1 |
|
422 |
]. |
|
423 |
theReceiver := theReceiver receiver. |
|
424 |
theByteCode := optByteCode |
|
425 |
]. |
|
104 | 426 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
140 | 427 |
theArg notNil ifTrue:[ |
428 |
theArg codeOn:aStream inBlock:b for:aCompiler |
|
429 |
]. |
|
430 |
aStream nextPut:theByteCode. |
|
431 |
pos1 := aStream position. |
|
432 |
aStream nextPut:0. |
|
0 | 433 |
|
140 | 434 |
theReceiver := receiver arg1. |
435 |
theReceiver codeInlineOn:aStream inBlock:b for:aCompiler. |
|
436 |
(selector == #ifTrue:) ifTrue:[ |
|
437 |
jmp := #falseJump |
|
438 |
] ifFalse:[ |
|
439 |
jmp := #trueJump |
|
440 |
]. |
|
441 |
aStream nextPut:jmp. |
|
0 | 442 |
pos2 := aStream position. |
443 |
aStream nextPut:0. |
|
444 |
||
140 | 445 |
code := aStream contents. |
446 |
(selector == #ifFalse:) ifTrue:[ |
|
447 |
code at:pos1 put:(aStream position) |
|
448 |
]. |
|
449 |
(argArray at: 1) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
450 |
||
451 |
valueNeeded ifTrue:[ |
|
452 |
aStream nextPut:#jump. |
|
453 |
pos3 := aStream position. |
|
454 |
aStream nextPut:0. |
|
455 |
here := aStream position. |
|
456 |
(selector == #ifTrue:) ifTrue:[ |
|
457 |
code at:pos1 put:here |
|
458 |
]. |
|
459 |
code at:pos2 put:here. |
|
460 |
aStream nextPut:#pushNil. |
|
461 |
code at:pos3 put:(aStream position) |
|
462 |
] ifFalse:[ |
|
463 |
here := aStream position. |
|
464 |
(selector == #ifTrue:) ifTrue:[ |
|
465 |
code at:pos1 put:here |
|
466 |
]. |
|
467 |
code at:pos2 put:here |
|
468 |
] |
|
469 |
! |
|
470 |
||
289 | 471 |
codeAndOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
472 |
"generate code for (x and:[y])" |
|
140 | 473 |
|
289 | 474 |
|pos1 rightExpr| |
475 |
||
476 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
|
477 |
valueNeeded ifTrue:[ |
|
478 |
aStream nextPut:#dup. |
|
140 | 479 |
]. |
289 | 480 |
aStream nextPut:#falseJump. |
481 |
pos1 := aStream position. |
|
482 |
aStream nextPut:0. |
|
483 |
valueNeeded ifTrue:[ |
|
484 |
aStream nextPut:#drop. |
|
140 | 485 |
]. |
289 | 486 |
rightExpr := argArray at:1. |
487 |
rightExpr codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
163 | 488 |
|
289 | 489 |
(aStream contents) at:pos1 put:(aStream position) |
490 |
||
491 |
"Created: 17.6.1996 / 15:46:42 / cg" |
|
492 |
"Modified: 17.6.1996 / 15:47:44 / cg" |
|
140 | 493 |
! |
494 |
||
495 |
codeForCascadeOn:aStream inBlock:b for:aCompiler |
|
496 |
"like codeOn, but always leave the receiver instead of the result" |
|
497 |
||
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
498 |
|nargs isBuiltIn code codeL litIndex cls clsLitIndex| |
140 | 499 |
|
500 |
argArray isNil ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
501 |
nargs := 0 |
140 | 502 |
] ifFalse:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
503 |
nargs := argArray size |
140 | 504 |
]. |
505 |
||
506 |
isBuiltIn := false. |
|
0 | 507 |
|
140 | 508 |
(nargs == 0) ifTrue:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
509 |
isBuiltIn := aCompiler isBuiltInUnarySelector:selector forReceiver:receiver |
140 | 510 |
]. |
511 |
(nargs == 1) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
512 |
isBuiltIn := aCompiler isBuiltIn1ArgSelector:selector forReceiver:receiver |
140 | 513 |
]. |
514 |
(nargs == 2) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
515 |
isBuiltIn := aCompiler isBuiltIn2ArgSelector:selector forReceiver:receiver |
140 | 516 |
]. |
517 |
||
518 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
|
519 |
aStream nextPut:#dup. |
|
520 |
||
521 |
"can we use a send-bytecode ?" |
|
522 |
isBuiltIn ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
523 |
receiver isSuper ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
524 |
(nargs > 0) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
525 |
(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
|
526 |
(nargs > 1) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
527 |
(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
|
528 |
] |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
529 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
530 |
aStream nextPut:selector. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
531 |
(aCompiler hasLineNumber:selector) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
532 |
aStream nextPut:lineNr. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
533 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
534 |
aStream nextPut:#drop. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
535 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
536 |
] |
140 | 537 |
]. |
538 |
||
539 |
"no - generate a send" |
|
540 |
argArray notNil ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
541 |
argArray do:[:arg | |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
542 |
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
|
543 |
] |
140 | 544 |
]. |
545 |
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
|
546 |
|
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
547 |
receiver isSuper ifTrue:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
548 |
cls := aCompiler targetClass. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
549 |
receiver isHere ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
550 |
code := #hereSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
551 |
codeL := #hereSendL. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
552 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
553 |
code := #superSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
554 |
codeL := #superSendL. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
555 |
cls := cls superclass. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
556 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
557 |
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
|
558 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
559 |
(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
|
560 |
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
|
561 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
562 |
]. |
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
563 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
564 |
"need 16bit litIndex" |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
565 |
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
|
566 |
^ self |
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
567 |
]. |
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
568 |
|
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
569 |
litIndex <= 255 ifTrue:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
570 |
(nargs <= 3) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
571 |
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
|
572 |
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
|
573 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
574 |
]. |
140 | 575 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
576 |
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
|
577 |
^ self |
140 | 578 |
]. |
579 |
"need 16bit litIndex" |
|
580 |
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
|
581 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
582 |
"Modified: 17.4.1996 / 22:33:24 / cg" |
140 | 583 |
! |
584 |
||
585 |
codeForSideEffectOn:aStream inBlock:b for:aCompiler |
|
586 |
self codeOn:aStream inBlock:b valueNeeded:false for:aCompiler |
|
0 | 587 |
! |
588 |
||
104 | 589 |
codeIfElseOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
0 | 590 |
"generate code for x ifxxx:[ ... ] yyy:[ ...]" |
591 |
||
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
592 |
|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
|
593 |
needJump block1| |
0 | 594 |
|
595 |
theReceiver := receiver. |
|
76 | 596 |
|
597 |
(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
|
598 |
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
|
599 |
(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
|
600 |
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
|
601 |
^ self |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
602 |
]. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
603 |
(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
|
604 |
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
|
605 |
^ self |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
606 |
] |
76 | 607 |
]. |
0 | 608 |
(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
|
609 |
theByteCode := #falseJump |
0 | 610 |
] 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
|
611 |
(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
|
612 |
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
|
613 |
] |
0 | 614 |
]. |
615 |
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
|
616 |
with:theByteCode. |
0 | 617 |
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
|
618 |
((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
|
619 |
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
|
620 |
]. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
621 |
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
|
622 |
theByteCode := optByteCode |
0 | 623 |
]. |
624 |
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
|
625 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
53 | 626 |
|
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
627 |
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
|
628 |
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
|
629 |
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
|
630 |
(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
|
631 |
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
|
632 |
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
|
633 |
] |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
634 |
] |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
635 |
] |
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
636 |
] 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
|
637 |
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
|
638 |
]. |
53 | 639 |
|
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
640 |
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
|
641 |
(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
|
642 |
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
|
643 |
] |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
644 |
]. |
166
9f6c57a3bce1
no line number bytecode in if-else if not needed
Claus Gittinger <cg@exept.de>
parents:
163
diff
changeset
|
645 |
|
334
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
646 |
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
|
647 |
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
|
648 |
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
|
649 |
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
|
650 |
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
|
651 |
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
|
652 |
(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
|
653 |
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
|
654 |
]. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
655 |
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
|
656 |
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
|
657 |
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
|
658 |
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
|
659 |
]. |
cd7491b7ad33
dont code a jump after if-part if it ends in a return.
Claus Gittinger <cg@exept.de>
parents:
309
diff
changeset
|
660 |
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
|
661 |
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
|
662 |
(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
|
663 |
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
|
664 |
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
|
665 |
] |
0 | 666 |
] |
166
9f6c57a3bce1
no line number bytecode in if-else if not needed
Claus Gittinger <cg@exept.de>
parents:
163
diff
changeset
|
667 |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
668 |
"Modified: 9.11.1996 / 19:53:52 / cg" |
0 | 669 |
! |
670 |
||
104 | 671 |
codeIfOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
0 | 672 |
"generate code for x ifxxx:[ ... ]" |
673 |
||
103 | 674 |
|pos pos2 theReceiver theArg theByteCode optByteCode subsel code |
675 |
needLineNr| |
|
0 | 676 |
|
677 |
theReceiver := receiver. |
|
678 |
||
76 | 679 |
(theReceiver isMessage) ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
680 |
subsel := theReceiver selector. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
681 |
|
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
682 |
(subsel == #and:) ifTrue:[ |
309 | 683 |
theReceiver arg1 isBlock ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
684 |
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
|
685 |
^ self |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
686 |
] |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
687 |
]. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
688 |
(subsel == #or:) ifTrue:[ |
309 | 689 |
theReceiver arg1 isBlock ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
690 |
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
|
691 |
^ self |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
692 |
] |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
693 |
] |
0 | 694 |
]. |
695 |
(selector == #ifTrue:) ifTrue:[ |
|
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
696 |
theByteCode := #falseJump |
0 | 697 |
] ifFalse:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
698 |
theByteCode := #trueJump |
0 | 699 |
]. |
700 |
optByteCode := self optimizedConditionFor:theReceiver |
|
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
701 |
with:theByteCode. |
0 | 702 |
optByteCode notNil ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
703 |
((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
|
704 |
theArg := theReceiver arg1 |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
705 |
]. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
706 |
theReceiver := theReceiver receiver. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
707 |
theByteCode := optByteCode |
0 | 708 |
]. |
709 |
||
104 | 710 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
0 | 711 |
theArg notNil ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
712 |
theArg codeOn:aStream inBlock:b for:aCompiler |
0 | 713 |
]. |
53 | 714 |
|
103 | 715 |
needLineNr := true. |
716 |
theArg isNil ifTrue:[ |
|
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
717 |
theReceiver isMessage ifTrue:[ |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
718 |
(aCompiler hasLineNumber:(theReceiver selector)) ifTrue:[ |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
719 |
theReceiver lineNumber == lineNr ifTrue:[ |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
720 |
needLineNr := false |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
721 |
] |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
722 |
] |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
723 |
] |
103 | 724 |
]. |
725 |
||
726 |
needLineNr ifTrue:[ |
|
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
727 |
(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
|
728 |
aStream nextPut:#lineno; nextPut:lineNr. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
729 |
] |
53 | 730 |
]. |
731 |
||
0 | 732 |
aStream nextPut:theByteCode. |
733 |
pos := aStream position. |
|
734 |
aStream nextPut:0. |
|
104 | 735 |
(argArray at: 1) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
76 | 736 |
|
737 |
code := aStream contents. |
|
0 | 738 |
valueNeeded ifTrue:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
739 |
aStream nextPut:#jump. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
740 |
pos2 := aStream position. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
741 |
aStream nextPut:0. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
742 |
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
|
743 |
aStream nextPut:#pushNil. |
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
744 |
code at:pos2 put:(aStream position) |
0 | 745 |
] ifFalse:[ |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
746 |
code at:pos put:(aStream position) |
0 | 747 |
] |
308
fe3b95e6d9c0
oops - dont try to inline: (expr or:expr2) ifXXX
Claus Gittinger <cg@exept.de>
parents:
289
diff
changeset
|
748 |
|
309 | 749 |
"Modified: 18.7.1996 / 10:04:13 / cg" |
0 | 750 |
! |
751 |
||
140 | 752 |
codeOn:aStream inBlock:b for:aCompiler |
753 |
self codeOn:aStream inBlock:b valueNeeded:true for:aCompiler |
|
0 | 754 |
! |
755 |
||
104 | 756 |
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
|
757 |
|recType nargs isBuiltIn litIndex cls clsLitIndex code isSpecial |
436 | 758 |
stackTop arg1| |
0 | 759 |
|
760 |
argArray isNil ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
761 |
nargs := 0 |
0 | 762 |
] ifFalse:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
763 |
nargs := argArray size |
0 | 764 |
]. |
765 |
||
199
1b3b350a3f59
moved bytecode query methods into compiler;
Claus Gittinger <cg@exept.de>
parents:
189
diff
changeset
|
766 |
isBuiltIn := isSpecial := false. |
117 | 767 |
recType := receiver type. |
0 | 768 |
|
769 |
(nargs == 0) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
770 |
(recType == #ThisContext) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
771 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
772 |
"for now, only do it in methods" |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
773 |
b isNil ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
774 |
(selector == #restart) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
775 |
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
|
776 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
777 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
778 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
779 |
(selector == #return) ifTrue:[ "^ nil" |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
780 |
aStream nextPut:#retNil. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
781 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
782 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
783 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
784 |
]. |
52 | 785 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
786 |
receiver isBlock ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
787 |
selector == #value ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
788 |
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
|
789 |
^ self |
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 |
((selector == #whileTrue) or:[selector == #whileFalse]) ifTrue:[ |
436 | 792 |
^ 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
|
793 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
794 |
]. |
436 | 795 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
796 |
isBuiltIn := aCompiler isBuiltInUnarySelector:selector forReceiver:receiver. |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
797 |
isBuiltIn ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
798 |
isSpecial := aCompiler isSpecialSendSelector:selector |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
799 |
] |
0 | 800 |
]. |
801 |
||
802 |
(nargs == 1) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
803 |
(recType == #ThisContext) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
804 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
805 |
(selector == #return:) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
806 |
(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
|
807 |
aStream nextPut:#retTop. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
808 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
809 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
810 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
811 |
]. |
19 | 812 |
|
436 | 813 |
arg1 := argArray at:1. |
814 |
(arg1 isBlock) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
815 |
((selector == #ifTrue:) or:[selector == #ifFalse:]) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
816 |
receiver isBlock ifFalse:[ |
436 | 817 |
^ 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
|
818 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
819 |
]. |
289 | 820 |
|
821 |
(selector == #or:) ifTrue:[ |
|
436 | 822 |
^ 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
|
823 |
]. |
289 | 824 |
|
825 |
(selector == #and:) ifTrue:[ |
|
436 | 826 |
^ self codeAndOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
289 | 827 |
]. |
828 |
||
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
829 |
(selector == #timesRepeat:) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
830 |
(receiver isConstant and:[receiver evaluate isNumber]) ifTrue:[ |
436 | 831 |
^ 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
|
832 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
833 |
]. |
0 | 834 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
835 |
((selector == #whileTrue:) or:[selector == #whileFalse:]) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
836 |
(receiver isBlock) ifTrue:[ |
436 | 837 |
^ 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
|
838 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
839 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
840 |
]. |
436 | 841 |
|
842 |
selector == #? ifTrue:[ |
|
843 |
arg1 isMessage ifFalse:[ |
|
844 |
^ self codeQuestOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
845 |
] |
|
846 |
]. |
|
847 |
||
400
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
848 |
isBuiltIn := aCompiler isBuiltIn1ArgSelector:selector forReceiver:receiver. |
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
849 |
isBuiltIn ifFalse:[ |
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
850 |
isSpecial := aCompiler isSpecialSendSelector:selector |
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
851 |
] |
0 | 852 |
]. |
853 |
||
854 |
(nargs == 2) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
855 |
((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
|
856 |
receiver isBlock ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
857 |
(argArray at:1) isBlock ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
858 |
(argArray at:2) isBlock ifTrue:[ |
436 | 859 |
^ 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
|
860 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
861 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
862 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
863 |
]. |
400
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
864 |
isBuiltIn := aCompiler isBuiltIn2ArgSelector:selector forReceiver:receiver. |
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
865 |
isBuiltIn ifFalse:[ |
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
866 |
isSpecial := aCompiler isSpecialSendSelector:selector |
e5cfc008be47
bytecode changes - some more are now special-send codes
Claus Gittinger <cg@exept.de>
parents:
395
diff
changeset
|
867 |
] |
0 | 868 |
]. |
869 |
||
870 |
"can we use a send-bytecode ?" |
|
199
1b3b350a3f59
moved bytecode query methods into compiler;
Claus Gittinger <cg@exept.de>
parents:
189
diff
changeset
|
871 |
(isBuiltIn or:[isSpecial]) ifTrue:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
872 |
receiver isSuper ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
873 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
874 |
(nargs > 0) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
875 |
(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
|
876 |
(nargs > 1) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
877 |
(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
|
878 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
879 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
880 |
aStream nextPut:selector. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
881 |
(aCompiler hasLineNumber:selector) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
882 |
aStream nextPut:lineNr. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
883 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
884 |
isSpecial ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
885 |
aStream nextPut:(aCompiler specialSendCodeFor:selector) |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
886 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
887 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
888 |
aStream nextPut:#drop |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
889 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
890 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
891 |
] |
0 | 892 |
]. |
893 |
||
894 |
((nargs == 0) and:[selector == #yourself]) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
895 |
"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
|
896 |
we get it without the yourself-message" |
0 | 897 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
898 |
valueNeeded ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
899 |
receiver codeOn:aStream inBlock:b for:aCompiler |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
900 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
901 |
^ self |
0 | 902 |
]. |
903 |
||
904 |
"no - generate a send" |
|
117 | 905 |
|
906 |
receiver isSuper ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
907 |
cls := aCompiler targetClass. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
908 |
receiver isHere ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
909 |
code := #hereSend. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
910 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
911 |
code := #superSend. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
912 |
cls := cls superclass. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
913 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
914 |
clsLitIndex := aCompiler addLiteral:cls. |
117 | 915 |
] ifFalse:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
916 |
clsLitIndex := 0. |
0 | 917 |
]. |
106 | 918 |
|
117 | 919 |
litIndex := aCompiler addLiteral:selector. |
920 |
(litIndex <= 255 and:[clsLitIndex <= 255]) ifTrue:[ |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
921 |
stackTop := nil. |
117 | 922 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
923 |
(recType ~~ #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
924 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
925 |
receiver isConstant ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
926 |
stackTop := receiver |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
927 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
928 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
929 |
argArray notNil ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
930 |
argArray do:[:arg | |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
931 |
(stackTop notNil |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
932 |
and:[arg canReuseAsArg:stackTop]) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
933 |
aStream nextPut:#dup. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
934 |
"/ '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
|
935 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
936 |
arg codeOn:aStream inBlock:b for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
937 |
stackTop := arg. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
938 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
939 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
940 |
]. |
106 | 941 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
942 |
receiver isSuper ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
943 |
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
|
944 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
945 |
aStream nextPut:#drop |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
946 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
947 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
948 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
949 |
|
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
950 |
(nargs <= 3) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
951 |
|codes| |
106 | 952 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
953 |
valueNeeded ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
954 |
(receiver type == #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
955 |
codes := #(sendSelf0 sendSelf1 sendSelf2 sendSelf3) |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
956 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
957 |
codes := #(send0 send1 send2 send3) |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
958 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
959 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
960 |
(receiver type == #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
961 |
codes := #(sendSelfDrop0 sendSelfDrop1 sendSelfDrop2 sendSelfDrop3) |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
962 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
963 |
codes := #(sendDrop0 sendDrop1 sendDrop2 sendDrop3) |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
964 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
965 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
966 |
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
|
967 |
^ self |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
968 |
]. |
106 | 969 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
970 |
(recType == #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
971 |
code := #sendSelf |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
972 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
973 |
valueNeeded ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
974 |
code := #send |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
975 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
976 |
code := #sendDrop |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
977 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
978 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
979 |
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
|
980 |
valueNeeded ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
981 |
(recType == #Self) ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
982 |
aStream nextPut:#drop |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
983 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
984 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
985 |
^ self |
106 | 986 |
]. |
987 |
||
988 |
"needs 16bit literal index" |
|
117 | 989 |
|
48 | 990 |
receiver isSuper ifTrue:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
991 |
argArray notNil ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
992 |
argArray do:[:arg | |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
993 |
arg codeOn:aStream inBlock:b for:aCompiler |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
994 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
995 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
996 |
receiver isHere ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
997 |
code := #hereSendL |
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 := #superSendL. |
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 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:0; nextPut:nargs; nextPut:clsLitIndex; nextPut:0. |
117 | 1002 |
] ifFalse:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1003 |
recType ~~ #Self ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1004 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1005 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1006 |
argArray notNil ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1007 |
argArray do:[:arg | |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1008 |
arg codeOn:aStream inBlock:b for:aCompiler |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1009 |
] |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1010 |
]. |
117 | 1011 |
|
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1012 |
recType == #Self ifTrue:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1013 |
code := #sendSelfL |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1014 |
] ifFalse:[ |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1015 |
code := #sendL |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1016 |
]. |
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1017 |
aStream nextPut:code; nextPut:lineNr; nextPut:litIndex; nextPut:0; nextPut:nargs. |
0 | 1018 |
]. |
117 | 1019 |
valueNeeded ifFalse:[ |
245
8a78aa886351
use dup if possible when pushing args
Claus Gittinger <cg@exept.de>
parents:
231
diff
changeset
|
1020 |
aStream nextPut:#drop |
0 | 1021 |
]. |
117 | 1022 |
|
1023 |
"Modified: 3.9.1995 / 12:55:42 / claus" |
|
436 | 1024 |
"Modified: 10.11.1996 / 18:30:10 / cg" |
0 | 1025 |
! |
1026 |
||
338
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1027 |
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
|
1028 |
"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
|
1029 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1030 |
|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
|
1031 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1032 |
theByteCode := #trueJump. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1033 |
theReceiver := receiver receiver. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1034 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1035 |
optByteCode := self optimizedConditionFor:theReceiver |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1036 |
with:theByteCode. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1037 |
optByteCode notNil ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1038 |
((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
|
1039 |
theArg := theReceiver arg1 |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1040 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1041 |
theReceiver := theReceiver receiver. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1042 |
theByteCode := optByteCode |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1043 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1044 |
"/ 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
|
1045 |
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
|
1046 |
theArg notNil ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1047 |
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
|
1048 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1049 |
aStream nextPut:theByteCode. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1050 |
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
|
1051 |
aStream nextPut:0. |
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 |
"/ 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
|
1054 |
theReceiver := receiver arg1. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1055 |
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
|
1056 |
(selector == #ifTrue:ifFalse:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1057 |
jmp := #falseJump |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1058 |
] ifFalse:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1059 |
jmp := #trueJump |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1060 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1061 |
aStream nextPut:jmp. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1062 |
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
|
1063 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1064 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1065 |
code := aStream contents. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1066 |
(selector == #ifTrue:ifFalse:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1067 |
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
|
1068 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1069 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1070 |
"/ code the if-block |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1071 |
(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
|
1072 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1073 |
aStream nextPut:#jump. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1074 |
pos3 := aStream position. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1075 |
aStream nextPut:0. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1076 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1077 |
here := aStream position. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1078 |
(selector == #ifFalse:ifTrue:) ifTrue:[ |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1079 |
code at:pos1 put:here |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1080 |
]. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1081 |
code at:pos2 put:here. |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1082 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1083 |
"/ code the else-block |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1084 |
(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
|
1085 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1086 |
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
|
1087 |
|
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1088 |
"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
|
1089 |
! |
8ab1a2715ab1
better code for (expr and:/or:[expr2]) ifXXX:[ .. ] ifYYY:[ ... ]
Claus Gittinger <cg@exept.de>
parents:
334
diff
changeset
|
1090 |
|
140 | 1091 |
codeOrIfOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
1092 |
"generate code for (x or:[y]) ifxxx:[ ... ]" |
|
1093 |
||
1094 |
|theByteCode optByteCode theReceiver theArg pos1 pos2 pos3 code here jmp| |
|
1095 |
||
1096 |
theByteCode := #trueJump. |
|
1097 |
theReceiver := receiver receiver. |
|
1098 |
||
1099 |
optByteCode := self optimizedConditionFor:theReceiver with:theByteCode. |
|
1100 |
optByteCode notNil ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1101 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1102 |
theArg := theReceiver arg1 |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1103 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1104 |
theReceiver := theReceiver receiver. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1105 |
theByteCode := optByteCode |
140 | 1106 |
]. |
1107 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
|
1108 |
theArg notNil ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1109 |
theArg codeOn:aStream inBlock:b for:aCompiler |
140 | 1110 |
]. |
1111 |
aStream nextPut:theByteCode. |
|
1112 |
pos1 := aStream position. |
|
1113 |
aStream nextPut:0. |
|
1114 |
||
1115 |
||
1116 |
theReceiver := receiver arg1. |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1117 |
theArg := nil. |
140 | 1118 |
|
1119 |
"new:" |
|
1120 |
(selector == #ifTrue:) ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1121 |
theByteCode := #falseJump |
140 | 1122 |
] ifFalse:[ |
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1123 |
theByteCode := #trueJump |
140 | 1124 |
]. |
1125 |
optByteCode := self optimizedConditionFor:theReceiver with:theByteCode. |
|
1126 |
optByteCode notNil ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1127 |
theReceiver isBlock ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1128 |
theReceiver := theReceiver statements expression |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1129 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1130 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1131 |
theArg := theReceiver arg1 |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1132 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1133 |
theReceiver := theReceiver receiver. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1134 |
theByteCode := optByteCode. |
140 | 1135 |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1136 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1137 |
theArg notNil ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1138 |
theArg codeOn:aStream inBlock:b for:aCompiler |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1139 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1140 |
aStream nextPut:theByteCode. |
140 | 1141 |
|
1142 |
] ifFalse:[ |
|
1143 |
"org" |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1144 |
theReceiver codeInlineOn:aStream inBlock:b for:aCompiler. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1145 |
(selector == #ifTrue:) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1146 |
jmp := #falseJump |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1147 |
] ifFalse:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1148 |
jmp := #trueJump |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1149 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1150 |
aStream nextPut:jmp |
140 | 1151 |
]. |
1152 |
pos2 := aStream position. |
|
1153 |
aStream nextPut:0. |
|
1154 |
(selector == #ifTrue:) ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1155 |
(aStream contents) at:pos1 put:(aStream position) |
140 | 1156 |
]. |
1157 |
(argArray at: 1) codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
1158 |
||
1159 |
code := aStream contents. |
|
1160 |
valueNeeded ifTrue:[ |
|
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1161 |
aStream nextPut:#jump. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1162 |
pos3 := aStream position. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1163 |
aStream nextPut:0. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1164 |
here := aStream position. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1165 |
(selector == #ifFalse:) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1166 |
code at:pos1 put:here |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1167 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1168 |
code at:pos2 put:here. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1169 |
aStream nextPut:#pushNil. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1170 |
code at:pos3 put:(aStream position) |
140 | 1171 |
] ifFalse:[ |
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1172 |
here := aStream position. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1173 |
(selector == #ifFalse:) ifTrue:[ |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1174 |
code at:pos1 put:here |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1175 |
]. |
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1176 |
code at:pos2 put:here |
140 | 1177 |
] |
434
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1178 |
|
c48a356d8a34
oops - optimizable or: ... ifTrue/ifFalse generated
Claus Gittinger <cg@exept.de>
parents:
429
diff
changeset
|
1179 |
"Modified: 9.11.1996 / 19:52:26 / cg" |
140 | 1180 |
! |
1181 |
||
289 | 1182 |
codeOrOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
1183 |
"generate code for (x or:[y])" |
|
1184 |
||
1185 |
|pos1 rightExpr| |
|
1186 |
||
1187 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
|
1188 |
valueNeeded ifTrue:[ |
|
1189 |
aStream nextPut:#dup. |
|
1190 |
]. |
|
1191 |
aStream nextPut:#trueJump. |
|
1192 |
pos1 := aStream position. |
|
1193 |
aStream nextPut:0. |
|
1194 |
valueNeeded ifTrue:[ |
|
1195 |
aStream nextPut:#drop. |
|
1196 |
]. |
|
1197 |
rightExpr := argArray at:1. |
|
1198 |
rightExpr codeInlineOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler. |
|
1199 |
||
1200 |
(aStream contents) at:pos1 put:(aStream position) |
|
1201 |
||
1202 |
"Created: 17.6.1996 / 15:40:22 / cg" |
|
1203 |
"Modified: 17.6.1996 / 15:47:22 / cg" |
|
1204 |
! |
|
1205 |
||
436 | 1206 |
codeQuestOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
1207 |
"generate code for x ? y. However, this is only done for non-send |
|
1208 |
args." |
|
1209 |
||
1210 |
|pos code| |
|
1211 |
||
1212 |
receiver codeOn:aStream inBlock:b for:aCompiler. |
|
1213 |
aStream nextPut:#dup. |
|
1214 |
aStream nextPut:#notNilJump. |
|
1215 |
pos := aStream position. |
|
437 | 1216 |
aStream nextPut:0. |
436 | 1217 |
|
1218 |
aStream nextPut:#drop. |
|
1219 |
(argArray at: 1) codeOn:aStream inBlock:b for:aCompiler. |
|
1220 |
||
1221 |
code := aStream contents. |
|
1222 |
code at:pos put:(aStream position) |
|
1223 |
||
1224 |
"Created: 10.11.1996 / 18:28:57 / cg" |
|
1225 |
! |
|
1226 |
||
104 | 1227 |
codeSendOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
0 | 1228 |
"like code on, but assumes that receiver has already been |
1229 |
coded onto stack - needed for cascade" |
|
1230 |
||
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
1231 |
|nargs isBuiltIn code codeL litIndex cls clsLitIndex| |
0 | 1232 |
|
1233 |
argArray isNil ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1234 |
nargs := 0 |
0 | 1235 |
] ifFalse:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1236 |
nargs := argArray size |
0 | 1237 |
]. |
1238 |
||
1239 |
isBuiltIn := false. |
|
1240 |
||
1241 |
(nargs == 0) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1242 |
isBuiltIn := aCompiler isBuiltInUnarySelector:selector forReceiver:receiver |
0 | 1243 |
]. |
1244 |
(nargs == 1) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1245 |
isBuiltIn := aCompiler isBuiltIn1ArgSelector:selector forReceiver:receiver |
0 | 1246 |
]. |
1247 |
(nargs == 2) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1248 |
isBuiltIn := aCompiler isBuiltIn2ArgSelector:selector forReceiver:receiver |
0 | 1249 |
]. |
1250 |
||
1251 |
"can we use a send-bytecode ?" |
|
1252 |
isBuiltIn ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1253 |
receiver isSuper ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1254 |
(nargs > 0) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1255 |
(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
|
1256 |
(nargs > 1) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1257 |
(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
|
1258 |
] |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1259 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1260 |
aStream nextPut:selector. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1261 |
(aCompiler hasLineNumber:selector) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1262 |
aStream nextPut:lineNr. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1263 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1264 |
valueNeeded ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1265 |
aStream nextPut:#drop |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1266 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1267 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1268 |
] |
0 | 1269 |
]. |
1270 |
||
1271 |
argArray notNil ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1272 |
argArray do:[:arg | |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1273 |
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
|
1274 |
] |
0 | 1275 |
]. |
1276 |
||
48 | 1277 |
receiver isSuper ifTrue:[ |
189
673580572edd
fixed cascades involving super sends (i.e. super foo; bar)
Claus Gittinger <cg@exept.de>
parents:
186
diff
changeset
|
1278 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1279 |
cls := aCompiler targetClass. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1280 |
receiver isHere ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1281 |
code := #hereSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1282 |
codeL := #hereSendL |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1283 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1284 |
code := #superSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1285 |
codeL := #superSend. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1286 |
cls := cls superclass. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1287 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1288 |
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
|
1289 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1290 |
litIndex := aCompiler addLiteral:selector. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1291 |
(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
|
1292 |
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
|
1293 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1294 |
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
|
1295 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1296 |
valueNeeded ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1297 |
aStream nextPut:#drop |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1298 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1299 |
^ self |
0 | 1300 |
]. |
1301 |
(nargs == 0) ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1302 |
(selector == #yourself) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1303 |
"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
|
1304 |
we get it without the yourself-message" |
0 | 1305 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1306 |
valueNeeded ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1307 |
aStream nextPut:#drop |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1308 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1309 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1310 |
]. |
49 | 1311 |
]. |
0 | 1312 |
|
117 | 1313 |
litIndex := aCompiler addLiteral:selector. |
1314 |
litIndex <= 255 ifTrue:[ |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1315 |
(nargs <= 3) ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1316 |
valueNeeded ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1317 |
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
|
1318 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1319 |
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
|
1320 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1321 |
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
|
1322 |
^ self |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1323 |
]. |
106 | 1324 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1325 |
valueNeeded ifTrue:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1326 |
code := #send |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1327 |
] ifFalse:[ |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1328 |
code := #sendDrop |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1329 |
]. |
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1330 |
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
|
1331 |
^ self |
0 | 1332 |
]. |
49 | 1333 |
|
0 | 1334 |
valueNeeded ifTrue:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1335 |
code := #sendL |
0 | 1336 |
] ifFalse:[ |
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1337 |
code := #sendDropL |
0 | 1338 |
]. |
117 | 1339 |
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
|
1340 |
|
253
759ba0ddb672
oops - must check for receiver when attempting built-in basicNew
Claus Gittinger <cg@exept.de>
parents:
245
diff
changeset
|
1341 |
"Modified: 17.4.1996 / 22:33:35 / cg" |
0 | 1342 |
! |
1343 |
||
140 | 1344 |
codeTimesRepeatOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
1345 |
"generate code for n timesRepeat:[ ... ]" |
|
1346 |
||
349
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1347 |
|pos pos2 theReceiver lateEval| |
140 | 1348 |
|
1349 |
theReceiver := receiver. |
|
1350 |
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
|
1351 |
|
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1352 |
lateEval := false. |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1353 |
valueNeeded ifTrue:[ |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1354 |
theReceiver isConstant ifTrue:[ |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1355 |
(theReceiver evaluate isMemberOf:SmallInteger) ifTrue:[ |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1356 |
lateEval := true. |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1357 |
] |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1358 |
]. |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1359 |
]. |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1360 |
lateEval ifFalse:[aStream nextPut:#dup]. |
96 | 1361 |
|
140 | 1362 |
pos := aStream position. |
1363 |
"/ aStream nextPut:#dup; nextPut:#push0; nextPut:#>; nextPut:lineNr; nextPut:#falseJump. |
|
1364 |
"/ aStream nextPut:#dup; nextPut:#gt0; nextPut:lineNr; nextPut:#falseJump. |
|
1365 |
aStream nextPut:#pushgt0; nextPut:lineNr; nextPut:#falseJump. |
|
1366 |
pos2 := aStream position. |
|
1367 |
aStream nextPut:0. |
|
1368 |
||
1369 |
(argArray at:1) codeInlineOn:aStream inBlock:b valueNeeded:false for:aCompiler. |
|
1370 |
aStream nextPut:#minus1; nextPut:lineNr; nextPut:#jump; nextPut:pos. |
|
1371 |
||
1372 |
(aStream contents) at:pos2 put:(aStream position). |
|
1373 |
aStream nextPut:#drop. |
|
349
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1374 |
lateEval ifTrue:[ |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1375 |
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
|
1376 |
] |
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1377 |
|
7632e597a3df
no need to keep receiver on stack for
Claus Gittinger <cg@exept.de>
parents:
338
diff
changeset
|
1378 |
"Modified: 8.10.1996 / 14:44:49 / cg" |
140 | 1379 |
! |
1380 |
||
1381 |
codeWhileOn:aStream inBlock:b valueNeeded:valueNeeded for:aCompiler |
|
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1382 |
"generate code for |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1383 |
[...] whileXXX:[ ... ] |
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1384 |
and also |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1385 |
[...] whileXXX |
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1386 |
" |
140 | 1387 |
|
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1388 |
|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
|
1389 |
hasLoopBlock fastReceiver| |
0 | 1390 |
|
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1391 |
hasLoopBlock := true. |
140 | 1392 |
(selector == #whileTrue:) ifTrue:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1393 |
theByteCode := #falseJump. |
0 | 1394 |
] ifFalse:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1395 |
(selector == #whileFalse:) ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1396 |
theByteCode := #trueJump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1397 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1398 |
hasLoopBlock := false. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1399 |
(selector == #whileTrue) ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1400 |
theByteCode := #trueJump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1401 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1402 |
theByteCode := #falseJump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1403 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1404 |
] |
140 | 1405 |
]. |
1406 |
||
1407 |
theReceiver := receiver. |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1408 |
|
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1409 |
(receiver isBlock |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1410 |
and:[receiver statements notNil |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1411 |
and:[receiver statements nextStatement isNil |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1412 |
and:[receiver statements expression notNil]]]) |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1413 |
ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1414 |
fastReceiver := receiver statements expression. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1415 |
optByteCode := self optimizedConditionFor:fastReceiver with:theByteCode. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1416 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1417 |
optByteCode := self optimizedConditionFor:theReceiver with:theByteCode. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1418 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1419 |
|
140 | 1420 |
optByteCode notNil ifTrue:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1421 |
((optByteCode == #eqJump) or:[optByteCode == #notEqJump]) ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1422 |
theArg := receiver statements expression arg1 |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1423 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1424 |
theReceiver := receiver statements expression receiver. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1425 |
theByteCode := optByteCode |
140 | 1426 |
]. |
1427 |
||
1428 |
"/ OLD: |
|
1429 |
"/ valueNeeded ifTrue:[aStream nextPut:#pushNil]. |
|
1430 |
"/ |
|
167 | 1431 |
needLineNr := true. |
1432 |
||
140 | 1433 |
pos := aStream position. |
386 | 1434 |
|
389
8aa5f9f08139
care for lineNumber in while-loop
Claus Gittinger <cg@exept.de>
parents:
386
diff
changeset
|
1435 |
"/ aCompiler lineNumberInfo == #full ifTrue:[ |
386 | 1436 |
ParseNode codeLineNumber:lineNr on:aStream for:aCompiler. |
389
8aa5f9f08139
care for lineNumber in while-loop
Claus Gittinger <cg@exept.de>
parents:
386
diff
changeset
|
1437 |
needLineNr := false. |
8aa5f9f08139
care for lineNumber in while-loop
Claus Gittinger <cg@exept.de>
parents:
386
diff
changeset
|
1438 |
"/ ]. |
386 | 1439 |
|
140 | 1440 |
optByteCode notNil ifTrue:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1441 |
theReceiver codeOn:aStream inBlock:b for:aCompiler. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1442 |
theArg notNil ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1443 |
theArg codeOn:aStream inBlock:b for:aCompiler |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1444 |
] |
140 | 1445 |
] ifFalse:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1446 |
fastReceiver notNil ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1447 |
theByteCode == #trueJump ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1448 |
fastReceiver isConstant ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1449 |
fastReceiver evaluate == true ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1450 |
theByteCode := #jump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1451 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1452 |
fastReceiver evaluate == false ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1453 |
theByteCode := #never |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1454 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1455 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1456 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1457 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1458 |
theByteCode == #falseJump ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1459 |
fastReceiver isConstant ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1460 |
fastReceiver evaluate == false ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1461 |
theByteCode := #jump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1462 |
] ifFalse:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1463 |
fastReceiver evaluate == true ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1464 |
theByteCode := #never |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1465 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1466 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1467 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1468 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1469 |
] |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1470 |
]. |
167 | 1471 |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1472 |
(theByteCode ~~ #jump |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1473 |
and:[theByteCode ~~ #never]) ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1474 |
theReceiver codeInlineOn:aStream inBlock:b for:aCompiler. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1475 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1476 |
|
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1477 |
"/ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1478 |
"/ cannot enable code below |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1479 |
"/ (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
|
1480 |
"/ think about it ... |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1481 |
"/ |
386 | 1482 |
blockExpr := theReceiver simpleSendBlockExpression. |
1483 |
blockExpr notNil ifTrue:[ |
|
1484 |
blockExpr isMessage ifTrue:[ |
|
1485 |
(aCompiler hasLineNumber:(blockExpr selector)) ifTrue:[ |
|
1486 |
blockExpr lineNumber == lineNr ifTrue:[ |
|
1487 |
needLineNr := false |
|
1488 |
] |
|
1489 |
] |
|
1490 |
] |
|
1491 |
]. |
|
140 | 1492 |
]. |
1493 |
||
167 | 1494 |
needLineNr ifTrue:[ |
386 | 1495 |
ParseNode codeLineNumber:lineNr on:aStream for:aCompiler. |
0 | 1496 |
]. |
1497 |
||
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1498 |
hasLoopBlock ifFalse:[ |
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1499 |
"/ simple [...] whileXXX |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1500 |
theByteCode ~~ #never ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1501 |
aStream nextPut:theByteCode; nextPut:pos. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1502 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1503 |
|
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1504 |
valueNeeded ifTrue:[aStream nextPut:#pushNil]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1505 |
^ self |
200
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1506 |
]. |
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1507 |
|
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1508 |
"/ [...] whileXXX:[...] |
b2f77bd77070
inline code for [...] whileXXX
Claus Gittinger <cg@exept.de>
parents:
199
diff
changeset
|
1509 |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1510 |
theByteCode ~~ #never ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1511 |
aStream nextPut:theByteCode. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1512 |
pos2 := aStream position. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1513 |
aStream nextPut:0. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1514 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1515 |
|
140 | 1516 |
(argArray at:1) codeInlineOn:aStream inBlock:b valueNeeded:false for:aCompiler. |
1517 |
aStream nextPut:#jump; nextPut:pos. |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1518 |
theByteCode ~~ #never ifTrue:[ |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1519 |
(aStream contents) at:pos2 put:(aStream position). |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1520 |
]. |
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1521 |
|
140 | 1522 |
valueNeeded ifTrue:[aStream nextPut:#pushNil]. |
167 | 1523 |
|
389
8aa5f9f08139
care for lineNumber in while-loop
Claus Gittinger <cg@exept.de>
parents:
386
diff
changeset
|
1524 |
"Modified: 22.10.1996 / 21:34:37 / cg" |
140 | 1525 |
! |
1526 |
||
1527 |
optimizedConditionFor:aReceiver with:aByteCode |
|
186 | 1528 |
|rec sel stats| |
0 | 1529 |
|
140 | 1530 |
rec := aReceiver. |
1531 |
(rec isBlock) ifTrue:[ |
|
186 | 1532 |
(stats := rec statements) notNil ifTrue:[ |
1533 |
stats nextStatement isNil ifTrue:[ |
|
1534 |
rec := rec statements expression |
|
1535 |
] |
|
140 | 1536 |
] |
1537 |
]. |
|
1538 |
(rec isUnaryMessage) ifTrue:[ |
|
1539 |
sel := rec selector. |
|
1540 |
(sel == #isNil) ifTrue:[ |
|
1541 |
"/ |
|
1542 |
"/ isNil trueJmp -> nilJump |
|
1543 |
"/ isNil falseJmp -> notNilJump |
|
1544 |
"/ |
|
1545 |
(aByteCode == #trueJump) ifTrue:[^ #nilJump]. |
|
1546 |
(aByteCode == #falseJump) ifTrue:[^ #notNilJump] |
|
1547 |
]. |
|
1548 |
(sel == #notNil) ifTrue:[ |
|
1549 |
"/ |
|
1550 |
"/ notNil trueJmp -> notNilJump |
|
1551 |
"/ notNil falseJmp -> nilJump |
|
1552 |
"/ |
|
1553 |
(aByteCode == #trueJump) ifTrue:[^ #notNilJump]. |
|
1554 |
(aByteCode == #falseJump) ifTrue:[^ #nilJump] |
|
1555 |
]. |
|
1556 |
(sel == #not) ifTrue:[ |
|
1557 |
"/ |
|
1558 |
"/ not trueJmp -> falseJump |
|
1559 |
"/ not falseJmp -> trueJump |
|
1560 |
"/ |
|
1561 |
(aByteCode == #trueJump) ifTrue:[^ #falseJump]. |
|
1562 |
(aByteCode == #falseJump) ifTrue:[^ #trueJump] |
|
1563 |
]. |
|
1564 |
^ nil |
|
0 | 1565 |
]. |
140 | 1566 |
(rec isBinaryMessage) ifTrue:[ |
1567 |
sel := rec selector. |
|
1568 |
rec arg1 isConstant ifTrue:[ |
|
1569 |
(rec arg1 value == 0) ifTrue:[ |
|
1570 |
"/ |
|
1571 |
"/ ==0 trueJmp -> zeroJump |
|
1572 |
"/ ==0 falseJmp -> notZeroJump |
|
1573 |
"/ |
|
1574 |
(sel == #==) ifTrue:[ |
|
1575 |
(aByteCode == #trueJump) ifTrue:[^ #zeroJump]. |
|
1576 |
(aByteCode == #falseJump) ifTrue:[^ #notZeroJump] |
|
1577 |
]. |
|
1578 |
"/ |
|
1579 |
"/ ~~0 trueJmp -> notZeroJump |
|
1580 |
"/ ~~0 falseJmp -> zeroJump |
|
1581 |
"/ |
|
1582 |
(sel == #~~) ifTrue:[ |
|
1583 |
(aByteCode == #falseJump) ifTrue:[^ #zeroJump]. |
|
1584 |
(aByteCode == #trueJump) ifTrue:[^ #notZeroJump] |
|
1585 |
]. |
|
1586 |
^ nil |
|
1587 |
] |
|
1588 |
]. |
|
1589 |
(sel == #==) ifTrue:[ |
|
1590 |
"/ |
|
1591 |
"/ == trueJmp -> eqJump |
|
1592 |
"/ == falseJmp -> notEqJump |
|
1593 |
"/ |
|
1594 |
(aByteCode == #trueJump) ifTrue:[^ #eqJump]. |
|
1595 |
(aByteCode == #falseJump) ifTrue:[^ #notEqJump] |
|
1596 |
]. |
|
1597 |
(sel == #~~) ifTrue:[ |
|
1598 |
"/ |
|
1599 |
"/ ~~ trueJmp -> notEqJump |
|
1600 |
"/ ~~ falseJmp -> eqJump |
|
1601 |
"/ |
|
1602 |
(aByteCode == #falseJump) ifTrue:[^ #eqJump]. |
|
1603 |
(aByteCode == #trueJump) ifTrue:[^ #notEqJump] |
|
1604 |
] |
|
1605 |
]. |
|
1606 |
^ nil |
|
1607 |
! ! |
|
1608 |
||
1609 |
!MessageNode methodsFor:'evaluating'! |
|
1610 |
||
1611 |
evaluate |
|
1612 |
|r nargs argValueArray class| |
|
1613 |
||
1614 |
receiver isSuper ifTrue:[ |
|
1615 |
r := receiver value. |
|
1616 |
receiver isHere ifTrue:[ |
|
1617 |
class := receiver definingClass. |
|
1618 |
] ifFalse:[ |
|
1619 |
class := receiver definingClass superclass. |
|
1620 |
]. |
|
1621 |
argArray notNil ifTrue:[ |
|
1622 |
argValueArray := argArray collect:[:arg | arg evaluate]. |
|
1623 |
] ifFalse:[ |
|
1624 |
argValueArray := #() |
|
1625 |
]. |
|
1626 |
^ r perform:selector inClass:class withArguments:argValueArray |
|
1627 |
]. |
|
1628 |
||
1629 |
||
1630 |
argArray isNil ifTrue:[ |
|
1631 |
^ (receiver evaluate) perform:selector |
|
1632 |
]. |
|
1633 |
nargs := argArray size. |
|
0 | 1634 |
(nargs == 1) ifTrue:[ |
140 | 1635 |
^ (receiver evaluate) perform:selector with:(argArray at:1) evaluate |
0 | 1636 |
]. |
1637 |
(nargs == 2) ifTrue:[ |
|
140 | 1638 |
^ (receiver evaluate) perform:selector |
1639 |
with:(argArray at:1) evaluate |
|
1640 |
with:(argArray at:2) evaluate |
|
1641 |
]. |
|
1642 |
(nargs == 3) ifTrue:[ |
|
1643 |
^ (receiver evaluate) perform:selector |
|
1644 |
with:(argArray at:1) evaluate |
|
1645 |
with:(argArray at:2) evaluate |
|
1646 |
with:(argArray at:3) evaluate |
|
1647 |
]. |
|
1648 |
r := receiver evaluate. |
|
1649 |
argValueArray := argArray collect:[:arg | arg evaluate]. |
|
1650 |
^ r perform:selector withArguments:argValueArray |
|
1651 |
! |
|
1652 |
||
1653 |
evaluateForCascade |
|
1654 |
|r nargs argValueArray class| |
|
1655 |
||
1656 |
receiver isSuper ifTrue:[ |
|
1657 |
r := receiver value. |
|
1658 |
class := receiver definingClass. |
|
1659 |
receiver isHere ifFalse:[ |
|
1660 |
class := class superclass. |
|
1661 |
]. |
|
1662 |
argArray notNil ifTrue:[ |
|
1663 |
argValueArray := argArray collect:[:arg | arg evaluate]. |
|
1664 |
] ifFalse:[ |
|
1665 |
argValueArray := #() |
|
1666 |
]. |
|
1667 |
r perform:selector inClass:class withArguments:argValueArray. |
|
1668 |
^ r |
|
0 | 1669 |
]. |
1670 |
||
140 | 1671 |
r := receiver evaluate. |
1672 |
argArray isNil ifTrue:[ |
|
1673 |
r perform:selector. |
|
1674 |
^ r |
|
1675 |
]. |
|
1676 |
nargs := argArray size. |
|
1677 |
(nargs == 1) ifTrue:[ |
|
1678 |
r perform:selector with:(argArray at:1) evaluate. |
|
1679 |
^ r |
|
1680 |
]. |
|
1681 |
(nargs == 2) ifTrue:[ |
|
1682 |
r perform:selector with:(argArray at:1) evaluate |
|
1683 |
with:(argArray at:2) evaluate. |
|
1684 |
^ r |
|
1685 |
]. |
|
1686 |
(nargs == 3) ifTrue:[ |
|
1687 |
r perform:selector with:(argArray at:1) evaluate |
|
1688 |
with:(argArray at:2) evaluate |
|
1689 |
with:(argArray at:3) evaluate. |
|
1690 |
^ r |
|
1691 |
]. |
|
1692 |
argValueArray := argArray collect:[:arg | arg evaluate]. |
|
1693 |
r perform:selector withArguments:argValueArray. |
|
1694 |
^ r |
|
1695 |
! ! |
|
1696 |
||
1697 |
!MessageNode methodsFor:'printing'! |
|
1698 |
||
1699 |
printOn:aStream indent:i |
|
1700 |
|needParen selectorParts index index2 arg| |
|
1701 |
||
1702 |
(#(whileTrue: whileFalse:) includes:selector) ifTrue:[ |
|
1703 |
receiver isBlock ifTrue:[ |
|
1704 |
^ self printWhileOn:aStream indent:i |
|
1705 |
]. |
|
1706 |
]. |
|
0 | 1707 |
|
140 | 1708 |
index := 1. |
1709 |
selectorParts := OrderedCollection new. |
|
1710 |
[index == 0] whileFalse:[ |
|
1711 |
index2 := selector indexOf:$: startingAt:index. |
|
1712 |
index2 ~~ 0 ifTrue:[ |
|
1713 |
selectorParts add:(selector copyFrom:index to:index2). |
|
1714 |
index2 := index2 + 1 |
|
1715 |
]. |
|
1716 |
index := index2 |
|
1717 |
]. |
|
1718 |
||
1719 |
needParen := false. |
|
1720 |
receiver isMessage ifTrue:[ |
|
1721 |
receiver isUnaryMessage ifFalse:[ |
|
1722 |
receiver isBinaryMessage ifFalse:[ |
|
1723 |
needParen := true |
|
1724 |
]. |
|
1725 |
]. |
|
1726 |
]. |
|
1727 |
needParen ifTrue:[ |
|
1728 |
aStream nextPutAll:'(' |
|
1729 |
]. |
|
1730 |
receiver printOn:aStream indent:i. |
|
1731 |
needParen ifTrue:[ |
|
1732 |
aStream nextPutAll:')' |
|
1733 |
]. |
|
1734 |
||
1735 |
1 to:(argArray size) do:[:argIndex | |
|
1736 |
aStream space. |
|
1737 |
(selectorParts at:argIndex) printOn:aStream. |
|
1738 |
aStream space. |
|
1739 |
arg := argArray at:argIndex. |
|
1740 |
needParen := false. |
|
1741 |
arg isMessage ifTrue:[ |
|
1742 |
arg isBinaryMessage ifFalse:[ |
|
1743 |
arg isUnaryMessage ifFalse:[ |
|
1744 |
needParen := true |
|
47 | 1745 |
] |
1746 |
]. |
|
140 | 1747 |
]. |
1748 |
needParen ifTrue:[ |
|
1749 |
aStream nextPutAll:'(' |
|
1750 |
]. |
|
1751 |
arg printOn:aStream indent:i. |
|
1752 |
needParen ifTrue:[ |
|
1753 |
aStream nextPutAll:') ' |
|
1754 |
]. |
|
1755 |
] |
|
1756 |
! |
|
1757 |
||
1758 |
printWhileOn:aStream indent:i |
|
1759 |
|needParen arg| |
|
0 | 1760 |
|
140 | 1761 |
"special handling of whileTrue/whileFalse" |
1762 |
||
1763 |
aStream nextPutAll:'['. |
|
1764 |
receiver statements printOn:aStream indent:i. |
|
1765 |
aStream nextPutAll:'] whileTrue: '. |
|
1766 |
||
1767 |
arg := argArray at:1. |
|
1768 |
needParen := false. |
|
1769 |
arg isMessage ifTrue:[ |
|
1770 |
arg isBinaryMessage ifFalse:[ |
|
1771 |
arg isUnaryMessage ifFalse:[ |
|
1772 |
needParen := true |
|
1773 |
] |
|
1774 |
]. |
|
0 | 1775 |
]. |
140 | 1776 |
needParen ifTrue:[ |
1777 |
aStream nextPutAll:'(' |
|
1778 |
]. |
|
1779 |
arg printOn:aStream indent:i. |
|
1780 |
needParen ifTrue:[ |
|
1781 |
aStream nextPutAll:') ' |
|
1782 |
]. |
|
1783 |
! ! |
|
106 | 1784 |
|
140 | 1785 |
!MessageNode methodsFor:'queries'! |
1786 |
||
395 | 1787 |
collectBlocksInto:aCollection |
1788 |
receiver collectBlocksInto:aCollection. |
|
1789 |
argArray size > 0 ifTrue:[ |
|
1790 |
argArray do:[:arg | |
|
1791 |
arg collectBlocksInto:aCollection. |
|
1792 |
] |
|
1793 |
]. |
|
1794 |
||
1795 |
"Created: 23.10.1996 / 15:44:49 / cg" |
|
1796 |
"Modified: 23.10.1996 / 16:03:46 / cg" |
|
1797 |
! |
|
1798 |
||
140 | 1799 |
isMessage |
1800 |
^ true |
|
0 | 1801 |
! ! |
140 | 1802 |
|
370
09c13380b03b
slightly better code for "[true] whileTrue:[ ...]"
Claus Gittinger <cg@exept.de>
parents:
349
diff
changeset
|
1803 |
!MessageNode class methodsFor:'documentation'! |
148 | 1804 |
|
1805 |
version |
|
437 | 1806 |
^ '$Header: /cvs/stx/stx/libcomp/MessageNode.st,v 1.63 1996-11-11 13:31:06 cg Exp $' |
148 | 1807 |
! ! |