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Rev | Author | Line No. | Line |
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7983 | leency | 1 | (* |
7597 | akron1 | 2 | BSD 2-Clause License |
3 | |||
7696 | akron1 | 4 | Copyright (c) 2018-2019, Anton Krotov |
7597 | akron1 | 5 | All rights reserved. |
6 | *) |
||
7 | |||
8 | MODULE PROG; |
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9 | |||
7983 | leency | 10 | IMPORT SCAN, LISTS, ARITH, ERRORS, C := COLLECTIONS, IL, UTILS, TARGETS; |
7597 | akron1 | 11 | |
12 | |||
13 | CONST |
||
14 | |||
15 | MAXARRDIM* = 5; |
||
16 | MAXSCOPE = 16; |
||
17 | MAXSYSVPARAM* = 26; |
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18 | |||
19 | idNONE* = 0; idGUARD = 1; idMODULE* = 2; idCONST* = 3; |
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20 | idTYPE* = 4; idSTFUNC* = 5; idSTPROC* = 6; idVAR* = 7; |
||
21 | idPROC* = 8; idVPAR* = 9; idPARAM* = 10; idSYSFUNC* = 11; |
||
22 | idSYSPROC* = 12; idIMP* = 13; |
||
23 | |||
24 | tINTEGER* = 1; tBYTE* = 2; tCHAR* = 3; tSET* = 4; |
||
25 | tBOOLEAN* = 5; tREAL* = 6; tARRAY* = 7; tRECORD* = 8; |
||
26 | tPOINTER* = 9; tPROCEDURE* = 10; tSTRING* = 11; tNIL* = 12; |
||
7696 | akron1 | 27 | tCARD32* = 13; tANYREC* = 14; tWCHAR* = 15; |
7597 | akron1 | 28 | |
7696 | akron1 | 29 | BASICTYPES* = {tINTEGER, tBYTE, tCHAR, tSET, tBOOLEAN, tREAL, tCARD32, tWCHAR}; |
7597 | akron1 | 30 | |
31 | stABS* = 1; stASR* = 2; stCHR* = 3; stFLOOR* = 4; |
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32 | stFLT* = 5; stLEN* = 6; stLSL* = 7; stODD* = 8; |
||
33 | stORD* = 9; stROR* = 10; stASSERT* = 11; stDEC* = 12; |
||
34 | stEXCL* = 13; stINC* = 14; stINCL* = 15; stNEW* = 16; |
||
35 | stPACK* = 17; stUNPK* = 18; sysADR* = 19; sysSIZE* = 20; |
||
36 | sysGET* = 21; sysPUT* = 22; |
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37 | |||
38 | stDISPOSE* = 23; stLSR* = 24; stBITS* = 25; sysCODE* = 26; |
||
39 | sysMOVE* = 27; stLENGTH* = 28; stMIN* = 29; stMAX* = 30; |
||
40 | sysSADR* = 31; sysTYPEID* = 32; sysCOPY* = 33; sysINF* = 34; |
||
41 | sysPUT8* = 35; sysPUT16* = 36; stCOPY* = 37; stWCHR* = 38; |
||
7693 | akron1 | 42 | sysWSADR* = 39; sysPUT32* = 40; (*sysNOP* = 41; sysEINT* = 42; |
43 | sysDINT* = 43;*) |
||
7597 | akron1 | 44 | |
7693 | akron1 | 45 | default32* = 2; |
7597 | akron1 | 46 | stdcall* = 4; _stdcall* = stdcall + 1; |
47 | ccall* = 6; _ccall* = ccall + 1; |
||
48 | ccall16* = 8; _ccall16* = ccall16 + 1; |
||
49 | win64* = 10; _win64* = win64 + 1; |
||
50 | stdcall64* = 12; _stdcall64* = stdcall64 + 1; |
||
51 | default64* = 14; |
||
52 | systemv* = 16; _systemv* = systemv + 1; |
||
7693 | akron1 | 53 | default16* = 18; |
54 | code* = 20; _code* = code + 1; |
||
7597 | akron1 | 55 | |
7693 | akron1 | 56 | noalign* = 22; |
7597 | akron1 | 57 | |
7693 | akron1 | 58 | callee_clean_up* = {default32, stdcall, _stdcall, default64, stdcall64, _stdcall64}; |
7597 | akron1 | 59 | |
7693 | akron1 | 60 | sf_stdcall* = 0; sf_stdcall64* = 1; sf_ccall* = 2; sf_ccall16* = 3; |
61 | sf_win64* = 4; sf_systemv* = 5; sf_windows* = 6; sf_linux* = 7; |
||
62 | sf_code* = 8; |
||
63 | sf_noalign* = 9; |
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64 | |||
65 | proc_flags* = {sf_stdcall, sf_stdcall64, sf_ccall, sf_ccall16, sf_win64, sf_systemv, sf_windows, sf_linux, sf_code}; |
||
66 | rec_flags* = {sf_noalign}; |
||
67 | |||
7597 | akron1 | 68 | STACK_FRAME = 2; |
69 | |||
70 | |||
71 | TYPE |
||
72 | |||
7693 | akron1 | 73 | OPTIONS* = RECORD |
74 | |||
7696 | akron1 | 75 | version*, stack*, ram*, rom*: INTEGER; |
7693 | akron1 | 76 | pic*: BOOLEAN; |
77 | checking*: SET |
||
78 | |||
79 | END; |
||
80 | |||
7597 | akron1 | 81 | IDENT* = POINTER TO rIDENT; |
82 | |||
83 | UNIT* = POINTER TO rUNIT; |
||
84 | |||
85 | PROGRAM* = POINTER TO rPROGRAM; |
||
86 | |||
87 | TYPE_* = POINTER TO rTYPE_; |
||
88 | |||
89 | FRWPTR* = POINTER TO RECORD (LISTS.ITEM) |
||
90 | |||
91 | type: TYPE_; |
||
92 | baseIdent: SCAN.IDENT; |
||
93 | linked: BOOLEAN; |
||
94 | |||
95 | pos*: SCAN.POSITION; |
||
96 | notRecord*: BOOLEAN |
||
97 | |||
98 | END; |
||
99 | |||
100 | PROC* = POINTER TO RECORD (LISTS.ITEM) |
||
101 | |||
102 | label*: INTEGER; |
||
103 | used*: BOOLEAN; |
||
104 | processed*: BOOLEAN; |
||
105 | import*: LISTS.ITEM; |
||
106 | using*: LISTS.LIST; |
||
107 | enter*, |
||
108 | leave*: LISTS.ITEM |
||
109 | |||
110 | END; |
||
111 | |||
112 | USED_PROC = POINTER TO RECORD (LISTS.ITEM) |
||
113 | |||
114 | proc: PROC |
||
115 | |||
116 | END; |
||
117 | |||
118 | rUNIT = RECORD (LISTS.ITEM) |
||
119 | |||
120 | program*: PROGRAM; |
||
121 | name*: SCAN.IDENT; |
||
7693 | akron1 | 122 | idents*: LISTS.LIST; |
7597 | akron1 | 123 | frwPointers: LISTS.LIST; |
124 | gscope: IDENT; |
||
125 | closed*: BOOLEAN; |
||
126 | scopeLvl*: INTEGER; |
||
127 | sysimport*: BOOLEAN; |
||
7693 | akron1 | 128 | scopes*: ARRAY MAXSCOPE OF PROC |
7597 | akron1 | 129 | |
130 | END; |
||
131 | |||
132 | FIELD* = POINTER TO rFIELD; |
||
133 | |||
134 | PARAM* = POINTER TO rPARAM; |
||
135 | |||
136 | rTYPE_ = RECORD (LISTS.ITEM) |
||
137 | |||
138 | typ*: INTEGER; |
||
139 | size*: INTEGER; |
||
7693 | akron1 | 140 | parSize*: INTEGER; |
7597 | akron1 | 141 | length*: INTEGER; |
142 | align*: INTEGER; |
||
143 | base*: TYPE_; |
||
7693 | akron1 | 144 | fields*: LISTS.LIST; |
145 | params*: LISTS.LIST; |
||
7597 | akron1 | 146 | unit*: UNIT; |
147 | closed*: BOOLEAN; |
||
148 | num*: INTEGER; |
||
149 | call*: INTEGER; |
||
150 | import*: BOOLEAN; |
||
151 | noalign*: BOOLEAN |
||
152 | |||
153 | END; |
||
154 | |||
155 | rFIELD = RECORD (LISTS.ITEM) |
||
156 | |||
157 | type*: TYPE_; |
||
158 | name*: SCAN.IDENT; |
||
159 | export*: BOOLEAN; |
||
160 | offset*: INTEGER |
||
161 | |||
162 | END; |
||
163 | |||
164 | rPARAM = RECORD (LISTS.ITEM) |
||
165 | |||
166 | name*: SCAN.IDENT; |
||
167 | type*: TYPE_; |
||
168 | vPar*: BOOLEAN; |
||
169 | offset*: INTEGER |
||
170 | |||
171 | END; |
||
172 | |||
173 | rIDENT = RECORD (LISTS.ITEM) |
||
174 | |||
175 | name*: SCAN.IDENT; |
||
176 | typ*: INTEGER; |
||
177 | export*: BOOLEAN; |
||
178 | import*: LISTS.ITEM; |
||
179 | unit*: UNIT; |
||
180 | value*: ARITH.VALUE; |
||
181 | type*: TYPE_; |
||
182 | stproc*: INTEGER; |
||
183 | global*: BOOLEAN; |
||
184 | scopeLvl*: INTEGER; |
||
185 | offset*: INTEGER; |
||
186 | proc*: PROC; |
||
187 | pos*: SCAN.POSITION |
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188 | |||
189 | END; |
||
190 | |||
191 | rPROGRAM = RECORD |
||
192 | |||
193 | recCount: INTEGER; |
||
7693 | akron1 | 194 | units*: LISTS.LIST; |
7597 | akron1 | 195 | types*: LISTS.LIST; |
196 | sysunit*: UNIT; |
||
197 | rtl*: UNIT; |
||
198 | bss*: INTEGER; |
||
199 | locsize*: INTEGER; |
||
200 | |||
201 | procs*: LISTS.LIST; |
||
202 | |||
7983 | leency | 203 | sysflags*: SET; |
204 | options*: OPTIONS; |
||
205 | |||
7693 | akron1 | 206 | stTypes*: RECORD |
7597 | akron1 | 207 | |
7693 | akron1 | 208 | tINTEGER*, tBYTE*, tCHAR*, tWCHAR*, tSET*, tBOOLEAN*, tREAL*, |
7696 | akron1 | 209 | tSTRING*, tNIL*, tCARD32*, tANYREC*: TYPE_ |
7597 | akron1 | 210 | |
7693 | akron1 | 211 | END |
7597 | akron1 | 212 | |
213 | END; |
||
214 | |||
215 | DELIMPORT = PROCEDURE (import: LISTS.ITEM); |
||
216 | |||
217 | |||
218 | VAR |
||
219 | |||
220 | idents: C.COLLECTION; |
||
221 | |||
222 | |||
223 | PROCEDURE NewIdent (): IDENT; |
||
224 | VAR |
||
225 | ident: IDENT; |
||
226 | citem: C.ITEM; |
||
227 | |||
228 | BEGIN |
||
229 | citem := C.pop(idents); |
||
230 | IF citem = NIL THEN |
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231 | NEW(ident) |
||
232 | ELSE |
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233 | ident := citem(IDENT) |
||
234 | END |
||
235 | |||
236 | RETURN ident |
||
237 | END NewIdent; |
||
238 | |||
239 | |||
240 | PROCEDURE getOffset* (program: PROGRAM; varIdent: IDENT): INTEGER; |
||
241 | VAR |
||
242 | size: INTEGER; |
||
243 | |||
244 | BEGIN |
||
245 | IF varIdent.offset = -1 THEN |
||
7696 | akron1 | 246 | size := varIdent.type.size; |
7597 | akron1 | 247 | IF varIdent.global THEN |
7693 | akron1 | 248 | IF UTILS.Align(program.bss, varIdent.type.align) THEN |
7696 | akron1 | 249 | IF UTILS.maxint - program.bss >= size THEN |
7597 | akron1 | 250 | varIdent.offset := program.bss; |
7696 | akron1 | 251 | INC(program.bss, size) |
7597 | akron1 | 252 | END |
253 | END |
||
254 | ELSE |
||
7983 | leency | 255 | IF UTILS.Align(size, TARGETS.WordSize) THEN |
256 | size := size DIV TARGETS.WordSize; |
||
7597 | akron1 | 257 | IF UTILS.maxint - program.locsize >= size THEN |
258 | INC(program.locsize, size); |
||
7696 | akron1 | 259 | varIdent.offset := program.locsize |
7597 | akron1 | 260 | END |
261 | END |
||
7696 | akron1 | 262 | END; |
263 | |||
264 | IF varIdent.offset = -1 THEN |
||
265 | ERRORS.Error(204) |
||
7597 | akron1 | 266 | END |
267 | END |
||
268 | |||
269 | RETURN varIdent.offset |
||
270 | END getOffset; |
||
271 | |||
272 | |||
7693 | akron1 | 273 | PROCEDURE closeUnit* (unit: UNIT); |
7597 | akron1 | 274 | VAR |
275 | ident, prev: IDENT; |
||
276 | offset: INTEGER; |
||
277 | |||
278 | BEGIN |
||
279 | ident := unit.idents.last(IDENT); |
||
280 | WHILE (ident # NIL) & (ident.typ # idGUARD) DO |
||
281 | IF (ident.typ = idVAR) & (ident.offset = -1) THEN |
||
7693 | akron1 | 282 | ERRORS.HintMsg(ident.name.s, ident.pos.line, ident.pos.col, 0); |
7597 | akron1 | 283 | IF ident.export THEN |
284 | offset := getOffset(unit.program, ident) |
||
285 | END |
||
286 | END; |
||
287 | ident := ident.prev(IDENT) |
||
288 | END; |
||
289 | |||
290 | ident := unit.idents.last(IDENT); |
||
291 | WHILE ident # NIL DO |
||
292 | prev := ident.prev(IDENT); |
||
293 | IF ~ident.export THEN |
||
294 | LISTS.delete(unit.idents, ident); |
||
295 | C.push(idents, ident) |
||
296 | END; |
||
297 | ident := prev |
||
298 | END; |
||
299 | |||
300 | unit.closed := TRUE |
||
7693 | akron1 | 301 | END closeUnit; |
7597 | akron1 | 302 | |
303 | |||
304 | PROCEDURE unique (unit: UNIT; ident: SCAN.IDENT): BOOLEAN; |
||
305 | VAR |
||
306 | item: IDENT; |
||
307 | |||
308 | BEGIN |
||
309 | ASSERT(ident # NIL); |
||
310 | |||
311 | item := unit.idents.last(IDENT); |
||
312 | WHILE (item.typ # idGUARD) & (item.name # ident) DO |
||
313 | item := item.prev(IDENT) |
||
314 | END |
||
315 | |||
316 | RETURN item.typ = idGUARD |
||
317 | END unique; |
||
318 | |||
319 | |||
7693 | akron1 | 320 | PROCEDURE addIdent* (unit: UNIT; ident: SCAN.IDENT; typ: INTEGER): IDENT; |
7597 | akron1 | 321 | VAR |
7693 | akron1 | 322 | item: IDENT; |
323 | res: BOOLEAN; |
||
324 | proc: PROC; |
||
325 | procs: LISTS.LIST; |
||
7597 | akron1 | 326 | |
327 | BEGIN |
||
328 | ASSERT(unit # NIL); |
||
329 | ASSERT(ident # NIL); |
||
330 | |||
331 | res := unique(unit, ident); |
||
332 | |||
333 | IF res THEN |
||
334 | item := NewIdent(); |
||
335 | |||
336 | item.name := ident; |
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337 | item.typ := typ; |
||
338 | item.unit := NIL; |
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339 | item.export := FALSE; |
||
340 | item.import := NIL; |
||
341 | item.type := NIL; |
||
342 | item.value.typ := 0; |
||
343 | item.stproc := 0; |
||
344 | |||
345 | item.global := unit.scopeLvl = 0; |
||
346 | item.scopeLvl := unit.scopeLvl; |
||
347 | item.offset := -1; |
||
348 | |||
349 | IF item.typ IN {idPROC, idIMP} THEN |
||
350 | NEW(proc); |
||
351 | proc.import := NIL; |
||
352 | proc.label := 0; |
||
353 | proc.used := FALSE; |
||
354 | proc.processed := FALSE; |
||
355 | proc.using := LISTS.create(NIL); |
||
356 | procs := unit.program.procs; |
||
357 | LISTS.push(procs, proc); |
||
358 | item.proc := proc |
||
359 | END; |
||
360 | |||
361 | LISTS.push(unit.idents, item) |
||
362 | ELSE |
||
363 | item := NIL |
||
364 | END |
||
365 | |||
366 | RETURN item |
||
367 | END addIdent; |
||
368 | |||
369 | |||
370 | PROCEDURE UseProc* (unit: UNIT; call_proc: PROC); |
||
371 | VAR |
||
7693 | akron1 | 372 | procs: LISTS.LIST; |
373 | cur: LISTS.ITEM; |
||
374 | proc: USED_PROC; |
||
7597 | akron1 | 375 | |
376 | BEGIN |
||
377 | IF unit.scopeLvl = 0 THEN |
||
378 | call_proc.used := TRUE |
||
379 | ELSE |
||
380 | procs := unit.scopes[unit.scopeLvl].using; |
||
381 | |||
382 | cur := procs.first; |
||
383 | WHILE (cur # NIL) & (cur(USED_PROC).proc # call_proc) DO |
||
384 | cur := cur.next |
||
385 | END; |
||
386 | |||
387 | IF cur = NIL THEN |
||
388 | NEW(proc); |
||
389 | proc.proc := call_proc; |
||
390 | LISTS.push(procs, proc) |
||
391 | END |
||
392 | END |
||
393 | END UseProc; |
||
394 | |||
395 | |||
7693 | akron1 | 396 | PROCEDURE setVarsType* (unit: UNIT; type: TYPE_); |
7597 | akron1 | 397 | VAR |
398 | item: IDENT; |
||
399 | |||
400 | BEGIN |
||
401 | ASSERT(type # NIL); |
||
402 | |||
403 | item := unit.idents.last(IDENT); |
||
404 | WHILE (item # NIL) & (item.typ = idVAR) & (item.type = NIL) DO |
||
405 | item.type := type; |
||
406 | item := item.prev(IDENT) |
||
407 | END |
||
7693 | akron1 | 408 | END setVarsType; |
7597 | akron1 | 409 | |
410 | |||
7693 | akron1 | 411 | PROCEDURE getIdent* (unit: UNIT; ident: SCAN.IDENT; currentScope: BOOLEAN): IDENT; |
7597 | akron1 | 412 | VAR |
413 | item: IDENT; |
||
414 | |||
415 | BEGIN |
||
416 | ASSERT(ident # NIL); |
||
417 | |||
418 | item := unit.idents.last(IDENT); |
||
419 | |||
7693 | akron1 | 420 | IF item # NIL THEN |
7597 | akron1 | 421 | |
7693 | akron1 | 422 | IF currentScope THEN |
423 | WHILE (item.name # ident) & (item.typ # idGUARD) DO |
||
424 | item := item.prev(IDENT) |
||
425 | END; |
||
426 | IF item.name # ident THEN |
||
427 | item := NIL |
||
428 | END |
||
429 | ELSE |
||
430 | WHILE (item # NIL) & (item.name # ident) DO |
||
431 | item := item.prev(IDENT) |
||
432 | END |
||
7597 | akron1 | 433 | END |
7693 | akron1 | 434 | |
7597 | akron1 | 435 | END |
436 | |||
437 | RETURN item |
||
438 | END getIdent; |
||
439 | |||
440 | |||
7693 | akron1 | 441 | PROCEDURE openScope* (unit: UNIT; proc: PROC): BOOLEAN; |
7597 | akron1 | 442 | VAR |
443 | item: IDENT; |
||
444 | res: BOOLEAN; |
||
445 | |||
446 | BEGIN |
||
447 | INC(unit.scopeLvl); |
||
448 | |||
449 | res := unit.scopeLvl < MAXSCOPE; |
||
450 | |||
451 | IF res THEN |
||
452 | |||
453 | unit.scopes[unit.scopeLvl] := proc; |
||
454 | |||
455 | NEW(item); |
||
456 | item := NewIdent(); |
||
457 | |||
458 | item.name := NIL; |
||
459 | item.typ := idGUARD; |
||
460 | |||
461 | LISTS.push(unit.idents, item) |
||
462 | END |
||
463 | |||
464 | RETURN res |
||
465 | END openScope; |
||
466 | |||
467 | |||
7693 | akron1 | 468 | PROCEDURE closeScope* (unit: UNIT; variables: LISTS.LIST); |
7597 | akron1 | 469 | VAR |
470 | item: IDENT; |
||
471 | del: IDENT; |
||
7693 | akron1 | 472 | lvar: IL.LOCALVAR; |
7597 | akron1 | 473 | |
474 | BEGIN |
||
475 | item := unit.idents.last(IDENT); |
||
476 | |||
477 | WHILE (item # NIL) & (item.typ # idGUARD) DO |
||
478 | del := item; |
||
479 | item := item.prev(IDENT); |
||
480 | IF (del.typ = idVAR) & (del.offset = -1) THEN |
||
7693 | akron1 | 481 | ERRORS.HintMsg(del.name.s, del.pos.line, del.pos.col, 0) |
7597 | akron1 | 482 | END; |
483 | IF (variables # NIL) & (del.typ IN {idVAR, idPARAM}) & (del.offset # -1) THEN |
||
484 | IF del.type.typ IN BASICTYPES - {tREAL} + {tPOINTER, tPROCEDURE} THEN |
||
7693 | akron1 | 485 | lvar := IL.NewVar(); |
7597 | akron1 | 486 | lvar.offset := del.offset; |
487 | lvar.size := del.type.size; |
||
488 | IF del.typ = idVAR THEN |
||
489 | lvar.offset := -lvar.offset |
||
490 | END; |
||
491 | LISTS.push(variables, lvar) |
||
492 | END |
||
493 | END; |
||
494 | LISTS.delete(unit.idents, del); |
||
495 | C.push(idents, del) |
||
496 | END; |
||
497 | |||
498 | IF (item # NIL) & (item.typ = idGUARD) THEN |
||
499 | LISTS.delete(unit.idents, item); |
||
500 | C.push(idents, item) |
||
501 | END; |
||
502 | |||
503 | DEC(unit.scopeLvl) |
||
504 | END closeScope; |
||
505 | |||
506 | |||
7693 | akron1 | 507 | PROCEDURE frwPtr* (unit: UNIT; type: TYPE_; baseIdent: SCAN.IDENT; pos: SCAN.POSITION); |
7597 | akron1 | 508 | VAR |
509 | newptr: FRWPTR; |
||
510 | |||
511 | BEGIN |
||
512 | ASSERT(unit # NIL); |
||
513 | ASSERT(type # NIL); |
||
514 | ASSERT(baseIdent # NIL); |
||
515 | |||
516 | NEW(newptr); |
||
517 | |||
7693 | akron1 | 518 | newptr.type := type; |
519 | newptr.baseIdent := baseIdent; |
||
520 | newptr.pos := pos; |
||
521 | newptr.linked := FALSE; |
||
522 | newptr.notRecord := FALSE; |
||
7597 | akron1 | 523 | |
524 | LISTS.push(unit.frwPointers, newptr) |
||
7693 | akron1 | 525 | END frwPtr; |
7597 | akron1 | 526 | |
527 | |||
7693 | akron1 | 528 | PROCEDURE linkPtr* (unit: UNIT): FRWPTR; |
7597 | akron1 | 529 | VAR |
530 | item: FRWPTR; |
||
531 | ident: IDENT; |
||
532 | res: FRWPTR; |
||
533 | |||
534 | BEGIN |
||
535 | res := NIL; |
||
536 | item := unit.frwPointers.last(FRWPTR); |
||
537 | |||
538 | WHILE (item # NIL) & ~item.linked & (res = NIL) DO |
||
7693 | akron1 | 539 | ident := getIdent(unit, item.baseIdent, TRUE); |
7597 | akron1 | 540 | |
541 | IF (ident # NIL) THEN |
||
542 | IF (ident.typ = idTYPE) & (ident.type.typ = tRECORD) THEN |
||
543 | item.type.base := ident.type; |
||
544 | item.linked := TRUE |
||
545 | ELSE |
||
546 | item.notRecord := TRUE; |
||
547 | res := item |
||
548 | END |
||
549 | ELSE |
||
550 | item.notRecord := FALSE; |
||
551 | res := item |
||
552 | END; |
||
553 | |||
554 | item := item.prev(FRWPTR) |
||
555 | END |
||
556 | |||
557 | RETURN res |
||
7693 | akron1 | 558 | END linkPtr; |
7597 | akron1 | 559 | |
560 | |||
561 | PROCEDURE isTypeEq* (t1, t2: TYPE_): BOOLEAN; |
||
562 | VAR |
||
563 | res: BOOLEAN; |
||
564 | param1, param2: LISTS.ITEM; |
||
565 | |||
566 | BEGIN |
||
567 | IF t1 = t2 THEN |
||
568 | res := TRUE |
||
569 | ELSIF (t1 = NIL) OR (t2 = NIL) THEN |
||
570 | res := FALSE |
||
571 | ELSIF (t1.typ = tPROCEDURE) & (t2.typ = tPROCEDURE) THEN |
||
572 | |||
573 | param1 := t1.params.first; |
||
574 | param2 := t2.params.first; |
||
575 | |||
7693 | akron1 | 576 | res := ((t1.call = t2.call) OR (t1.call IN {code, _code}) OR (t2.call IN {code, _code})) & ((param1 # NIL) = (param2 # NIL)); |
7597 | akron1 | 577 | |
578 | WHILE res & (param1 # NIL) & (param2 # NIL) DO |
||
579 | res := (param1(PARAM).vPar = param2(PARAM).vPar) & isTypeEq(param1(PARAM).type, param2(PARAM).type); |
||
580 | param1 := param1.next; |
||
581 | param2 := param2.next; |
||
582 | res := res & ((param1 # NIL) = (param2 # NIL)) |
||
583 | END; |
||
584 | |||
585 | res := res & isTypeEq(t1.base, t2.base) |
||
586 | |||
587 | ELSIF (t1.typ = tARRAY) & (t2.typ = tARRAY) THEN |
||
588 | res := (t1.length = 0) & (t2.length = 0) & isTypeEq(t1.base, t2.base) |
||
589 | ELSE |
||
590 | res := FALSE |
||
591 | END |
||
592 | |||
593 | RETURN res |
||
594 | END isTypeEq; |
||
595 | |||
596 | |||
597 | PROCEDURE isBaseOf* (t0, t1: TYPE_): BOOLEAN; |
||
598 | VAR |
||
599 | res: BOOLEAN; |
||
600 | |||
601 | BEGIN |
||
7693 | akron1 | 602 | res := (t0.typ = t1.typ) & (t0.typ IN {tPOINTER, tRECORD}); |
7597 | akron1 | 603 | |
7693 | akron1 | 604 | IF res & (t0.typ = tPOINTER) THEN |
7597 | akron1 | 605 | t0 := t0.base; |
606 | t1 := t1.base |
||
607 | END; |
||
608 | |||
7693 | akron1 | 609 | IF res THEN |
610 | WHILE (t1 # NIL) & (t1 # t0) DO |
||
611 | t1 := t1.base |
||
612 | END; |
||
613 | res := t1 # NIL |
||
7597 | akron1 | 614 | END |
615 | |||
7693 | akron1 | 616 | RETURN res |
7597 | akron1 | 617 | END isBaseOf; |
618 | |||
619 | |||
620 | PROCEDURE isOpenArray* (t: TYPE_): BOOLEAN; |
||
621 | RETURN (t.typ = tARRAY) & (t.length = 0) |
||
622 | END isOpenArray; |
||
623 | |||
624 | |||
7696 | akron1 | 625 | PROCEDURE arrcomp* (src, dst: TYPE_): BOOLEAN; |
626 | RETURN (dst.typ = tARRAY) & isOpenArray(src) & |
||
627 | ~isOpenArray(src.base) & ~isOpenArray(dst.base) & |
||
628 | isTypeEq(src.base, dst.base) |
||
629 | END arrcomp; |
||
630 | |||
631 | |||
7693 | akron1 | 632 | PROCEDURE getUnit* (program: PROGRAM; name: SCAN.IDENT): UNIT; |
7597 | akron1 | 633 | VAR |
634 | item: UNIT; |
||
635 | |||
636 | BEGIN |
||
637 | ASSERT(name # NIL); |
||
638 | |||
7693 | akron1 | 639 | item := program.units.first(UNIT); |
7597 | akron1 | 640 | |
641 | WHILE (item # NIL) & (item.name # name) DO |
||
642 | item := item.next(UNIT) |
||
643 | END; |
||
644 | |||
645 | IF (item = NIL) & (name.s = "SYSTEM") THEN |
||
7693 | akron1 | 646 | item := program.sysunit |
7597 | akron1 | 647 | END |
648 | |||
649 | RETURN item |
||
7693 | akron1 | 650 | END getUnit; |
7597 | akron1 | 651 | |
652 | |||
653 | PROCEDURE enterStTypes (unit: UNIT; program: PROGRAM); |
||
654 | VAR |
||
7693 | akron1 | 655 | ident: IDENT; |
7597 | akron1 | 656 | |
657 | BEGIN |
||
7693 | akron1 | 658 | ident := addIdent(unit, SCAN.enterid("INTEGER"), idTYPE); |
7597 | akron1 | 659 | ident.type := program.stTypes.tINTEGER; |
660 | |||
7693 | akron1 | 661 | ident := addIdent(unit, SCAN.enterid("BYTE"), idTYPE); |
7597 | akron1 | 662 | ident.type := program.stTypes.tBYTE; |
663 | |||
7693 | akron1 | 664 | ident := addIdent(unit, SCAN.enterid("CHAR"), idTYPE); |
7597 | akron1 | 665 | ident.type := program.stTypes.tCHAR; |
666 | |||
7693 | akron1 | 667 | ident := addIdent(unit, SCAN.enterid("SET"), idTYPE); |
7597 | akron1 | 668 | ident.type := program.stTypes.tSET; |
669 | |||
7693 | akron1 | 670 | ident := addIdent(unit, SCAN.enterid("BOOLEAN"), idTYPE); |
7597 | akron1 | 671 | ident.type := program.stTypes.tBOOLEAN; |
672 | |||
7983 | leency | 673 | IF TARGETS.RealSize # 0 THEN |
7693 | akron1 | 674 | ident := addIdent(unit, SCAN.enterid("REAL"), idTYPE); |
7983 | leency | 675 | ident.type := program.stTypes.tREAL |
676 | END; |
||
7597 | akron1 | 677 | |
7983 | leency | 678 | IF TARGETS.BitDepth >= 32 THEN |
7693 | akron1 | 679 | ident := addIdent(unit, SCAN.enterid("WCHAR"), idTYPE); |
680 | ident.type := program.stTypes.tWCHAR |
||
681 | END |
||
682 | |||
7597 | akron1 | 683 | END enterStTypes; |
684 | |||
685 | |||
686 | PROCEDURE enterStProcs (unit: UNIT); |
||
687 | |||
688 | |||
7693 | akron1 | 689 | PROCEDURE EnterProc (unit: UNIT; name: SCAN.LEXSTR; proc: INTEGER); |
7597 | akron1 | 690 | VAR |
691 | ident: IDENT; |
||
692 | BEGIN |
||
7693 | akron1 | 693 | ident := addIdent(unit, SCAN.enterid(name), idSTPROC); |
7597 | akron1 | 694 | ident.stproc := proc |
695 | END EnterProc; |
||
696 | |||
697 | |||
7693 | akron1 | 698 | PROCEDURE EnterFunc (unit: UNIT; name: SCAN.LEXSTR; func: INTEGER); |
699 | VAR |
||
700 | ident: IDENT; |
||
701 | BEGIN |
||
702 | ident := addIdent(unit, SCAN.enterid(name), idSTFUNC); |
||
703 | ident.stproc := func |
||
704 | END EnterFunc; |
||
705 | |||
706 | |||
7597 | akron1 | 707 | BEGIN |
7693 | akron1 | 708 | EnterProc(unit, "ASSERT", stASSERT); |
709 | EnterProc(unit, "DEC", stDEC); |
||
710 | EnterProc(unit, "EXCL", stEXCL); |
||
711 | EnterProc(unit, "INC", stINC); |
||
712 | EnterProc(unit, "INCL", stINCL); |
||
713 | EnterProc(unit, "NEW", stNEW); |
||
714 | EnterProc(unit, "COPY", stCOPY); |
||
7597 | akron1 | 715 | |
7693 | akron1 | 716 | EnterFunc(unit, "ABS", stABS); |
717 | EnterFunc(unit, "ASR", stASR); |
||
718 | EnterFunc(unit, "CHR", stCHR); |
||
719 | EnterFunc(unit, "LEN", stLEN); |
||
720 | EnterFunc(unit, "LSL", stLSL); |
||
721 | EnterFunc(unit, "ODD", stODD); |
||
722 | EnterFunc(unit, "ORD", stORD); |
||
723 | EnterFunc(unit, "ROR", stROR); |
||
724 | EnterFunc(unit, "BITS", stBITS); |
||
725 | EnterFunc(unit, "LSR", stLSR); |
||
726 | EnterFunc(unit, "LENGTH", stLENGTH); |
||
727 | EnterFunc(unit, "MIN", stMIN); |
||
728 | EnterFunc(unit, "MAX", stMAX); |
||
729 | |||
7983 | leency | 730 | IF TARGETS.RealSize # 0 THEN |
731 | EnterProc(unit, "PACK", stPACK); |
||
732 | EnterProc(unit, "UNPK", stUNPK); |
||
733 | EnterFunc(unit, "FLOOR", stFLOOR); |
||
734 | EnterFunc(unit, "FLT", stFLT) |
||
735 | END; |
||
7693 | akron1 | 736 | |
7983 | leency | 737 | IF TARGETS.BitDepth >= 32 THEN |
738 | EnterFunc(unit, "WCHR", stWCHR) |
||
739 | END; |
||
740 | |||
741 | IF TARGETS.Dispose THEN |
||
742 | EnterProc(unit, "DISPOSE", stDISPOSE) |
||
7693 | akron1 | 743 | END |
744 | |||
7597 | akron1 | 745 | END enterStProcs; |
746 | |||
747 | |||
7693 | akron1 | 748 | PROCEDURE newUnit* (program: PROGRAM; name: SCAN.IDENT): UNIT; |
7597 | akron1 | 749 | VAR |
7693 | akron1 | 750 | unit: UNIT; |
7597 | akron1 | 751 | |
752 | BEGIN |
||
7693 | akron1 | 753 | ASSERT(program # NIL); |
7597 | akron1 | 754 | ASSERT(name # NIL); |
755 | |||
756 | NEW(unit); |
||
757 | |||
7693 | akron1 | 758 | unit.program := program; |
7597 | akron1 | 759 | unit.name := name; |
760 | unit.closed := FALSE; |
||
7693 | akron1 | 761 | unit.idents := LISTS.create(NIL); |
7597 | akron1 | 762 | unit.frwPointers := LISTS.create(NIL); |
763 | |||
7693 | akron1 | 764 | ASSERT(openScope(unit, NIL)); |
7597 | akron1 | 765 | |
7693 | akron1 | 766 | enterStTypes(unit, program); |
7597 | akron1 | 767 | enterStProcs(unit); |
768 | |||
7693 | akron1 | 769 | ASSERT(openScope(unit, NIL)); |
7597 | akron1 | 770 | |
771 | unit.gscope := unit.idents.last(IDENT); |
||
772 | |||
7693 | akron1 | 773 | LISTS.push(program.units, unit); |
7597 | akron1 | 774 | |
775 | unit.scopeLvl := 0; |
||
776 | unit.scopes[0] := NIL; |
||
777 | |||
778 | unit.sysimport := FALSE; |
||
779 | |||
7983 | leency | 780 | IF unit.name.s = UTILS.RTL_NAME THEN |
7693 | akron1 | 781 | program.rtl := unit |
7597 | akron1 | 782 | END |
783 | |||
784 | RETURN unit |
||
7693 | akron1 | 785 | END newUnit; |
7597 | akron1 | 786 | |
787 | |||
7693 | akron1 | 788 | PROCEDURE getField* (self: TYPE_; name: SCAN.IDENT; unit: UNIT): FIELD; |
7597 | akron1 | 789 | VAR |
7693 | akron1 | 790 | field: FIELD; |
7597 | akron1 | 791 | |
792 | BEGIN |
||
793 | ASSERT(self # NIL); |
||
794 | ASSERT(name # NIL); |
||
795 | ASSERT(unit # NIL); |
||
796 | |||
797 | field := NIL; |
||
798 | WHILE (self # NIL) & (field = NIL) DO |
||
799 | |||
800 | field := self.fields.first(FIELD); |
||
801 | |||
802 | WHILE (field # NIL) & (field.name # name) DO |
||
803 | field := field.next(FIELD) |
||
804 | END; |
||
805 | |||
806 | IF field = NIL THEN |
||
807 | self := self.base |
||
808 | END |
||
809 | |||
810 | END; |
||
811 | |||
812 | IF (field # NIL) & (self.unit # unit) & ~field.export THEN |
||
813 | field := NIL |
||
814 | END |
||
815 | |||
816 | RETURN field |
||
817 | END getField; |
||
818 | |||
819 | |||
7693 | akron1 | 820 | PROCEDURE addField* (self: TYPE_; name: SCAN.IDENT; export: BOOLEAN): BOOLEAN; |
7597 | akron1 | 821 | VAR |
7693 | akron1 | 822 | field: FIELD; |
823 | res: BOOLEAN; |
||
7597 | akron1 | 824 | |
825 | BEGIN |
||
826 | ASSERT(name # NIL); |
||
827 | |||
828 | res := getField(self, name, self.unit) = NIL; |
||
829 | |||
830 | IF res THEN |
||
831 | NEW(field); |
||
832 | |||
833 | field.name := name; |
||
834 | field.export := export; |
||
835 | field.type := NIL; |
||
836 | field.offset := self.size; |
||
837 | |||
838 | LISTS.push(self.fields, field) |
||
839 | END |
||
840 | |||
841 | RETURN res |
||
842 | END addField; |
||
843 | |||
844 | |||
7693 | akron1 | 845 | PROCEDURE setFields* (self: TYPE_; type: TYPE_): BOOLEAN; |
7597 | akron1 | 846 | VAR |
847 | item: FIELD; |
||
848 | res: BOOLEAN; |
||
849 | |||
850 | BEGIN |
||
851 | ASSERT(type # NIL); |
||
852 | |||
853 | item := self.fields.first(FIELD); |
||
854 | |||
855 | WHILE (item # NIL) & (item.type # NIL) DO |
||
856 | item := item.next(FIELD) |
||
857 | END; |
||
858 | |||
859 | res := TRUE; |
||
860 | |||
861 | WHILE res & (item # NIL) & (item.type = NIL) DO |
||
862 | item.type := type; |
||
863 | IF ~self.noalign THEN |
||
7693 | akron1 | 864 | res := UTILS.Align(self.size, type.align) |
7597 | akron1 | 865 | ELSE |
866 | res := TRUE |
||
867 | END; |
||
868 | item.offset := self.size; |
||
869 | res := res & (UTILS.maxint - self.size >= type.size); |
||
870 | IF res THEN |
||
871 | INC(self.size, type.size) |
||
872 | END; |
||
873 | item := item.next(FIELD) |
||
874 | END |
||
875 | |||
876 | RETURN res |
||
877 | END setFields; |
||
878 | |||
879 | |||
7693 | akron1 | 880 | PROCEDURE getParam* (self: TYPE_; name: SCAN.IDENT): PARAM; |
7597 | akron1 | 881 | VAR |
7693 | akron1 | 882 | item: PARAM; |
7597 | akron1 | 883 | |
884 | BEGIN |
||
885 | ASSERT(name # NIL); |
||
886 | |||
887 | item := self.params.first(PARAM); |
||
888 | |||
889 | WHILE (item # NIL) & (item.name # name) DO |
||
890 | item := item.next(PARAM) |
||
891 | END |
||
892 | |||
893 | RETURN item |
||
894 | END getParam; |
||
895 | |||
896 | |||
7693 | akron1 | 897 | PROCEDURE addParam* (self: TYPE_; name: SCAN.IDENT; vPar: BOOLEAN): BOOLEAN; |
7597 | akron1 | 898 | VAR |
7693 | akron1 | 899 | param: PARAM; |
900 | res: BOOLEAN; |
||
7597 | akron1 | 901 | |
902 | BEGIN |
||
903 | ASSERT(name # NIL); |
||
904 | |||
7693 | akron1 | 905 | res := getParam(self, name) = NIL; |
7597 | akron1 | 906 | |
907 | IF res THEN |
||
908 | NEW(param); |
||
909 | |||
910 | param.name := name; |
||
911 | param.type := NIL; |
||
912 | param.vPar := vPar; |
||
913 | |||
914 | LISTS.push(self.params, param) |
||
915 | END |
||
916 | |||
917 | RETURN res |
||
918 | END addParam; |
||
919 | |||
920 | |||
921 | PROCEDURE Dim* (t: TYPE_): INTEGER; |
||
922 | VAR |
||
923 | res: INTEGER; |
||
924 | |||
925 | BEGIN |
||
926 | res := 0; |
||
927 | WHILE isOpenArray(t) DO |
||
928 | t := t.base; |
||
929 | INC(res) |
||
930 | END |
||
931 | RETURN res |
||
932 | END Dim; |
||
933 | |||
934 | |||
935 | PROCEDURE OpenBase* (t: TYPE_): TYPE_; |
||
936 | BEGIN |
||
937 | WHILE isOpenArray(t) DO t := t.base END |
||
938 | RETURN t |
||
939 | END OpenBase; |
||
940 | |||
941 | |||
7693 | akron1 | 942 | PROCEDURE getFloatParamsPos* (self: TYPE_; maxoffs: INTEGER; VAR int, flt: INTEGER): SET; |
7597 | akron1 | 943 | VAR |
944 | res: SET; |
||
945 | param: PARAM; |
||
946 | |||
947 | BEGIN |
||
948 | res := {}; |
||
949 | int := 0; |
||
950 | flt := 0; |
||
951 | param := self.params.first(PARAM); |
||
952 | WHILE (param # NIL) & (param.offset <= maxoffs + STACK_FRAME) DO |
||
953 | IF ~param.vPar & (param.type.typ = tREAL) THEN |
||
954 | INCL(res, param.offset - STACK_FRAME); |
||
955 | INC(flt) |
||
956 | END; |
||
957 | param := param.next(PARAM) |
||
958 | END; |
||
959 | |||
7693 | akron1 | 960 | int := self.parSize - flt |
7597 | akron1 | 961 | |
962 | RETURN res |
||
963 | END getFloatParamsPos; |
||
964 | |||
965 | |||
7693 | akron1 | 966 | PROCEDURE setParams* (self: TYPE_; type: TYPE_); |
7597 | akron1 | 967 | VAR |
968 | item: LISTS.ITEM; |
||
969 | param: PARAM; |
||
970 | word, size: INTEGER; |
||
971 | |||
972 | BEGIN |
||
973 | ASSERT(type # NIL); |
||
974 | |||
7693 | akron1 | 975 | word := UTILS.target.bit_depth DIV 8; |
7597 | akron1 | 976 | |
977 | item := self.params.first; |
||
978 | |||
979 | WHILE (item # NIL) & (item(PARAM).type # NIL) DO |
||
980 | item := item.next |
||
981 | END; |
||
982 | |||
983 | WHILE (item # NIL) & (item(PARAM).type = NIL) DO |
||
984 | param := item(PARAM); |
||
985 | param.type := type; |
||
986 | IF param.vPar THEN |
||
987 | IF type.typ = tRECORD THEN |
||
988 | size := 2 |
||
989 | ELSIF isOpenArray(type) THEN |
||
990 | size := Dim(type) + 1 |
||
991 | ELSE |
||
992 | size := 1 |
||
993 | END; |
||
7693 | akron1 | 994 | param.offset := self.parSize + ORD(type.typ = tRECORD) + Dim(type) + STACK_FRAME; |
995 | INC(self.parSize, size) |
||
7597 | akron1 | 996 | ELSE |
997 | IF type.typ IN {tRECORD, tARRAY} THEN |
||
998 | IF isOpenArray(type) THEN |
||
999 | size := Dim(type) + 1 |
||
1000 | ELSE |
||
1001 | size := 1 |
||
1002 | END |
||
1003 | ELSE |
||
1004 | size := type.size; |
||
7693 | akron1 | 1005 | ASSERT(UTILS.Align(size, word)); |
7597 | akron1 | 1006 | size := size DIV word |
1007 | END; |
||
7693 | akron1 | 1008 | param.offset := self.parSize + Dim(type) + STACK_FRAME; |
1009 | INC(self.parSize, size) |
||
7597 | akron1 | 1010 | END; |
1011 | |||
1012 | item := item.next |
||
1013 | END |
||
1014 | |||
1015 | END setParams; |
||
1016 | |||
1017 | |||
7693 | akron1 | 1018 | PROCEDURE enterType* (program: PROGRAM; typ, size, length: INTEGER; unit: UNIT): TYPE_; |
7597 | akron1 | 1019 | VAR |
7693 | akron1 | 1020 | t: TYPE_; |
7597 | akron1 | 1021 | |
1022 | BEGIN |
||
1023 | NEW(t); |
||
1024 | |||
1025 | t.typ := typ; |
||
1026 | t.size := size; |
||
1027 | t.length := length; |
||
1028 | t.align := 0; |
||
1029 | t.base := NIL; |
||
7693 | akron1 | 1030 | t.fields := LISTS.create(NIL); |
1031 | t.params := LISTS.create(NIL); |
||
7597 | akron1 | 1032 | t.unit := unit; |
1033 | t.num := 0; |
||
7693 | akron1 | 1034 | |
7983 | leency | 1035 | CASE TARGETS.BitDepth OF |
7693 | akron1 | 1036 | |16: t.call := default16 |
1037 | |32: t.call := default32 |
||
1038 | |64: t.call := default64 |
||
7597 | akron1 | 1039 | END; |
7693 | akron1 | 1040 | |
7597 | akron1 | 1041 | t.import := FALSE; |
1042 | t.noalign := FALSE; |
||
7693 | akron1 | 1043 | t.parSize := 0; |
7597 | akron1 | 1044 | |
1045 | IF typ IN {tARRAY, tRECORD} THEN |
||
1046 | t.closed := FALSE; |
||
1047 | IF typ = tRECORD THEN |
||
1048 | INC(program.recCount); |
||
1049 | t.num := program.recCount |
||
1050 | END |
||
1051 | ELSE |
||
1052 | t.closed := TRUE |
||
1053 | END; |
||
1054 | |||
1055 | LISTS.push(program.types, t) |
||
1056 | |||
1057 | RETURN t |
||
1058 | END enterType; |
||
1059 | |||
1060 | |||
7693 | akron1 | 1061 | PROCEDURE getType* (program: PROGRAM; typ: INTEGER): TYPE_; |
7597 | akron1 | 1062 | VAR |
1063 | res: TYPE_; |
||
1064 | |||
1065 | BEGIN |
||
1066 | |||
7696 | akron1 | 1067 | CASE typ OF |
1068 | |ARITH.tINTEGER: res := program.stTypes.tINTEGER |
||
1069 | |ARITH.tREAL: res := program.stTypes.tREAL |
||
1070 | |ARITH.tSET: res := program.stTypes.tSET |
||
1071 | |ARITH.tBOOLEAN: res := program.stTypes.tBOOLEAN |
||
1072 | |ARITH.tCHAR: res := program.stTypes.tCHAR |
||
1073 | |ARITH.tWCHAR: res := program.stTypes.tWCHAR |
||
1074 | |ARITH.tSTRING: res := program.stTypes.tSTRING |
||
1075 | END |
||
7597 | akron1 | 1076 | |
1077 | RETURN res |
||
1078 | END getType; |
||
1079 | |||
1080 | |||
1081 | PROCEDURE createSysUnit (program: PROGRAM); |
||
1082 | VAR |
||
1083 | ident: IDENT; |
||
1084 | unit: UNIT; |
||
1085 | |||
1086 | |||
1087 | PROCEDURE EnterProc (sys: UNIT; name: SCAN.LEXSTR; idtyp, proc: INTEGER); |
||
1088 | VAR |
||
1089 | ident: IDENT; |
||
1090 | BEGIN |
||
1091 | ident := addIdent(sys, SCAN.enterid(name), idtyp); |
||
1092 | ident.stproc := proc; |
||
1093 | ident.export := TRUE |
||
1094 | END EnterProc; |
||
1095 | |||
1096 | |||
1097 | BEGIN |
||
7693 | akron1 | 1098 | unit := newUnit(program, SCAN.enterid("$SYSTEM")); |
7597 | akron1 | 1099 | |
1100 | EnterProc(unit, "ADR", idSYSFUNC, sysADR); |
||
1101 | EnterProc(unit, "SIZE", idSYSFUNC, sysSIZE); |
||
1102 | EnterProc(unit, "SADR", idSYSFUNC, sysSADR); |
||
1103 | EnterProc(unit, "TYPEID", idSYSFUNC, sysTYPEID); |
||
1104 | |||
1105 | EnterProc(unit, "GET", idSYSPROC, sysGET); |
||
7693 | akron1 | 1106 | EnterProc(unit, "PUT8", idSYSPROC, sysPUT8); |
7597 | akron1 | 1107 | EnterProc(unit, "PUT", idSYSPROC, sysPUT); |
1108 | EnterProc(unit, "CODE", idSYSPROC, sysCODE); |
||
1109 | EnterProc(unit, "MOVE", idSYSPROC, sysMOVE); |
||
7693 | akron1 | 1110 | (* |
1111 | IF program.target.sys = mConst.Target_iMSP430 THEN |
||
1112 | EnterProc(unit, "NOP", idSYSPROC, sysNOP); |
||
1113 | EnterProc(unit, "EINT", idSYSPROC, sysEINT); |
||
1114 | EnterProc(unit, "DINT", idSYSPROC, sysDINT) |
||
1115 | END; |
||
1116 | *) |
||
7983 | leency | 1117 | IF TARGETS.RealSize # 0 THEN |
1118 | EnterProc(unit, "INF", idSYSFUNC, sysINF); |
||
1119 | END; |
||
1120 | |||
1121 | IF TARGETS.CPU IN {TARGETS.cpuX86, TARGETS.cpuAMD64} THEN |
||
1122 | EnterProc(unit, "COPY", idSYSPROC, sysCOPY) |
||
1123 | END; |
||
1124 | |||
1125 | IF TARGETS.BitDepth >= 32 THEN |
||
7693 | akron1 | 1126 | EnterProc(unit, "WSADR", idSYSFUNC, sysWSADR); |
1127 | EnterProc(unit, "PUT32", idSYSPROC, sysPUT32); |
||
1128 | EnterProc(unit, "PUT16", idSYSPROC, sysPUT16); |
||
7597 | akron1 | 1129 | |
7693 | akron1 | 1130 | ident := addIdent(unit, SCAN.enterid("CARD32"), idTYPE); |
1131 | ident.type := program.stTypes.tCARD32; |
||
1132 | ident.export := TRUE |
||
1133 | END; |
||
7597 | akron1 | 1134 | |
7693 | akron1 | 1135 | closeUnit(unit); |
7597 | akron1 | 1136 | |
1137 | program.sysunit := unit |
||
1138 | END createSysUnit; |
||
1139 | |||
1140 | |||
1141 | PROCEDURE DelUnused* (program: PROGRAM; DelImport: DELIMPORT); |
||
1142 | VAR |
||
7693 | akron1 | 1143 | proc: PROC; |
1144 | flag: BOOLEAN; |
||
7597 | akron1 | 1145 | |
1146 | |||
1147 | PROCEDURE process (proc: PROC); |
||
1148 | VAR |
||
1149 | used_proc: LISTS.ITEM; |
||
1150 | |||
1151 | BEGIN |
||
1152 | proc.processed := TRUE; |
||
1153 | |||
1154 | used_proc := proc.using.first; |
||
1155 | WHILE used_proc # NIL DO |
||
1156 | used_proc(USED_PROC).proc.used := TRUE; |
||
1157 | used_proc := used_proc.next |
||
1158 | END |
||
1159 | |||
1160 | END process; |
||
1161 | |||
1162 | |||
1163 | BEGIN |
||
1164 | |||
1165 | REPEAT |
||
1166 | flag := FALSE; |
||
1167 | proc := program.procs.first(PROC); |
||
1168 | |||
1169 | WHILE proc # NIL DO |
||
1170 | IF proc.used & ~proc.processed THEN |
||
1171 | process(proc); |
||
1172 | flag := TRUE |
||
1173 | END; |
||
1174 | proc := proc.next(PROC) |
||
1175 | END |
||
1176 | |||
1177 | UNTIL ~flag; |
||
1178 | |||
1179 | proc := program.procs.first(PROC); |
||
1180 | |||
1181 | WHILE proc # NIL DO |
||
1182 | IF ~proc.used THEN |
||
1183 | IF proc.import = NIL THEN |
||
7693 | akron1 | 1184 | IL.delete2(proc.enter, proc.leave) |
7597 | akron1 | 1185 | ELSE |
1186 | DelImport(proc.import) |
||
1187 | END |
||
1188 | END; |
||
1189 | proc := proc.next(PROC) |
||
1190 | END |
||
1191 | |||
1192 | END DelUnused; |
||
1193 | |||
1194 | |||
7983 | leency | 1195 | PROCEDURE create* (options: OPTIONS): PROGRAM; |
7597 | akron1 | 1196 | VAR |
1197 | program: PROGRAM; |
||
1198 | |||
1199 | BEGIN |
||
1200 | idents := C.create(); |
||
1201 | |||
7983 | leency | 1202 | UTILS.SetBitDepth(TARGETS.BitDepth, TARGETS.RealSize = 8); |
7597 | akron1 | 1203 | NEW(program); |
1204 | |||
7983 | leency | 1205 | program.options := options; |
7597 | akron1 | 1206 | |
7983 | leency | 1207 | CASE TARGETS.OS OF |
1208 | |TARGETS.osWIN32: program.sysflags := {sf_windows, sf_stdcall, sf_ccall, sf_ccall16, sf_noalign} |
||
1209 | |TARGETS.osLINUX32: program.sysflags := {sf_linux, sf_stdcall, sf_ccall, sf_ccall16, sf_noalign} |
||
1210 | |TARGETS.osKOS: program.sysflags := {sf_stdcall, sf_ccall, sf_ccall16, sf_noalign} |
||
1211 | |TARGETS.osWIN64: program.sysflags := {sf_windows, sf_stdcall64, sf_win64, sf_systemv, sf_noalign} |
||
1212 | |TARGETS.osLINUX64: program.sysflags := {sf_linux, sf_stdcall64, sf_win64, sf_systemv, sf_noalign} |
||
1213 | |TARGETS.osNONE: program.sysflags := {sf_code} |
||
7693 | akron1 | 1214 | END; |
1215 | |||
7597 | akron1 | 1216 | program.recCount := -1; |
1217 | program.bss := 0; |
||
1218 | |||
7693 | akron1 | 1219 | program.units := LISTS.create(NIL); |
7597 | akron1 | 1220 | program.types := LISTS.create(NIL); |
1221 | program.procs := LISTS.create(NIL); |
||
1222 | |||
7983 | leency | 1223 | program.stTypes.tINTEGER := enterType(program, tINTEGER, TARGETS.WordSize, 0, NIL); |
1224 | program.stTypes.tBYTE := enterType(program, tBYTE, 1, 0, NIL); |
||
1225 | program.stTypes.tCHAR := enterType(program, tCHAR, 1, 0, NIL); |
||
1226 | program.stTypes.tSET := enterType(program, tSET, TARGETS.WordSize, 0, NIL); |
||
1227 | program.stTypes.tBOOLEAN := enterType(program, tBOOLEAN, 1, 0, NIL); |
||
7693 | akron1 | 1228 | |
7983 | leency | 1229 | program.stTypes.tINTEGER.align := TARGETS.WordSize; |
1230 | program.stTypes.tBYTE.align := 1; |
||
1231 | program.stTypes.tCHAR.align := 1; |
||
1232 | program.stTypes.tSET.align := TARGETS.WordSize; |
||
1233 | program.stTypes.tBOOLEAN.align := 1; |
||
1234 | |||
1235 | IF TARGETS.BitDepth >= 32 THEN |
||
1236 | program.stTypes.tWCHAR := enterType(program, tWCHAR, 2, 0, NIL); |
||
1237 | program.stTypes.tCARD32 := enterType(program, tCARD32, 4, 0, NIL); |
||
1238 | program.stTypes.tWCHAR.align := 2; |
||
1239 | program.stTypes.tCARD32.align := 4 |
||
7693 | akron1 | 1240 | END; |
1241 | |||
7983 | leency | 1242 | IF TARGETS.RealSize # 0 THEN |
1243 | program.stTypes.tREAL := enterType(program, tREAL, TARGETS.RealSize, 0, NIL); |
||
1244 | program.stTypes.tREAL.align := TARGETS.RealSize |
||
1245 | END; |
||
7693 | akron1 | 1246 | |
7983 | leency | 1247 | program.stTypes.tSTRING := enterType(program, tSTRING, TARGETS.WordSize, 0, NIL); |
1248 | program.stTypes.tNIL := enterType(program, tNIL, TARGETS.WordSize, 0, NIL); |
||
1249 | |||
1250 | program.stTypes.tANYREC := enterType(program, tRECORD, 0, 0, NIL); |
||
7597 | akron1 | 1251 | program.stTypes.tANYREC.closed := TRUE; |
1252 | |||
1253 | createSysUnit(program) |
||
1254 | |||
1255 | RETURN program |
||
1256 | END create; |
||
1257 | |||
1258 | |||
7983 | leency | 1259 | END PROG.=>> |