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Rev | Author | Line No. | Line |
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7983 | leency | 1 | (* |
7597 | akron1 | 2 | BSD 2-Clause License |
3 | |||
9847 | akron1 | 4 | Copyright (c) 2018-2022, Anton Krotov |
7597 | akron1 | 5 | All rights reserved. |
6 | *) |
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7 | |||
8 | MODULE PROG; |
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9 | |||
8859 | leency | 10 | IMPORT SCAN, LISTS, ARITH, ERRORS, C := COLLECTIONS, IL, UTILS, TARGETS, STRINGS, PATHS; |
7597 | akron1 | 11 | |
12 | |||
13 | CONST |
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14 | |||
15 | MAXARRDIM* = 5; |
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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; |
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21 | idPROC* = 8; idVPAR* = 9; idPARAM* = 10; idSYSFUNC* = 11; |
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22 | idSYSPROC* = 12; idIMP* = 13; |
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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; |
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8097 | maxcodehac | 27 | tCARD32* = 13; tANYREC* = 14; tWCHAR* = 15; tNONE* = 16; |
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; |
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34 | stEXCL* = 13; stINC* = 14; stINCL* = 15; stNEW* = 16; |
||
35 | stPACK* = 17; stUNPK* = 18; sysADR* = 19; sysSIZE* = 20; |
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36 | sysGET* = 21; sysPUT* = 22; |
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37 | |||
8097 | maxcodehac | 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; |
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41 | sysPUT8* = 35; sysPUT16* = 36; stCOPY* = 37; stWCHR* = 38; |
||
42 | sysWSADR* = 39; sysPUT32* = 40; (*sysNOP* = 41; sysEINT* = 42; |
||
43 | sysDINT* = 43;*)sysGET8* = 44; sysGET16* = 45; sysGET32* = 46; |
||
7597 | akron1 | 44 | |
8097 | maxcodehac | 45 | default32* = 2; _default32* = default32 + 1; |
7597 | akron1 | 46 | stdcall* = 4; _stdcall* = stdcall + 1; |
8859 | leency | 47 | cdecl* = 6; _cdecl* = cdecl + 1; |
48 | ccall* = 8; _ccall* = ccall + 1; |
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7597 | akron1 | 49 | win64* = 10; _win64* = win64 + 1; |
8859 | leency | 50 | default64* = 12; _default64* = default64 + 1; |
51 | systemv* = 14; _systemv* = systemv + 1; |
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52 | default16* = 16; _default16* = default16 + 1; |
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53 | code* = 18; _code* = code + 1; |
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9847 | akron1 | 54 | fastcall* = 20; _fastcall* = fastcall + 1; |
7597 | akron1 | 55 | |
7693 | akron1 | 56 | noalign* = 22; |
7597 | akron1 | 57 | |
9847 | akron1 | 58 | callee_clean_up* = {default32, _default32, stdcall, _stdcall, default64, _default64, fastcall, _fastcall}; |
7597 | akron1 | 59 | |
8859 | leency | 60 | sf_stdcall* = 0; sf_oberon* = 1; sf_cdecl* = 2; sf_ccall* = 3; |
61 | sf_win64* = 4; sf_systemv* = 5; sf_windows* = 6; sf_linux* = 7; |
||
9847 | akron1 | 62 | sf_code* = 8; sf_fastcall* = 9; |
63 | sf_noalign* = 10; |
||
7693 | akron1 | 64 | |
9847 | akron1 | 65 | proc_flags* = {sf_stdcall, sf_cdecl, sf_ccall, sf_win64, sf_systemv, sf_windows, sf_linux, sf_code, sf_oberon, sf_fastcall}; |
7693 | akron1 | 66 | rec_flags* = {sf_noalign}; |
67 | |||
7597 | akron1 | 68 | STACK_FRAME = 2; |
69 | |||
70 | |||
71 | TYPE |
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72 | |||
7693 | akron1 | 73 | OPTIONS* = RECORD |
74 | |||
9177 | akron1 | 75 | version*, stack*, ram*, rom*, tab*: INTEGER; |
9579 | akron1 | 76 | pic*, lower*, uses*: BOOLEAN; |
7693 | akron1 | 77 | checking*: SET |
78 | |||
79 | END; |
||
80 | |||
7597 | akron1 | 81 | IDENT* = POINTER TO rIDENT; |
82 | |||
83 | UNIT* = POINTER TO rUNIT; |
||
84 | |||
8097 | maxcodehac | 85 | _TYPE* = POINTER TO rTYPE; |
7597 | akron1 | 86 | |
87 | FRWPTR* = POINTER TO RECORD (LISTS.ITEM) |
||
88 | |||
8097 | maxcodehac | 89 | _type: _TYPE; |
7597 | akron1 | 90 | baseIdent: SCAN.IDENT; |
91 | linked: BOOLEAN; |
||
92 | |||
93 | pos*: SCAN.POSITION; |
||
94 | notRecord*: BOOLEAN |
||
95 | |||
96 | END; |
||
97 | |||
98 | PROC* = POINTER TO RECORD (LISTS.ITEM) |
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99 | |||
100 | label*: INTEGER; |
||
101 | used*: BOOLEAN; |
||
102 | processed*: BOOLEAN; |
||
8097 | maxcodehac | 103 | _import*: LISTS.ITEM; |
7597 | akron1 | 104 | using*: LISTS.LIST; |
105 | enter*, |
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106 | leave*: LISTS.ITEM |
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107 | |||
108 | END; |
||
109 | |||
110 | USED_PROC = POINTER TO RECORD (LISTS.ITEM) |
||
111 | |||
112 | proc: PROC |
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113 | |||
114 | END; |
||
115 | |||
116 | rUNIT = RECORD (LISTS.ITEM) |
||
117 | |||
8859 | leency | 118 | fname*: PATHS.PATH; |
7597 | akron1 | 119 | name*: SCAN.IDENT; |
7693 | akron1 | 120 | idents*: LISTS.LIST; |
7597 | akron1 | 121 | frwPointers: LISTS.LIST; |
122 | gscope: IDENT; |
||
123 | closed*: BOOLEAN; |
||
124 | scopeLvl*: INTEGER; |
||
125 | sysimport*: BOOLEAN; |
||
7693 | akron1 | 126 | scopes*: ARRAY MAXSCOPE OF PROC |
7597 | akron1 | 127 | |
128 | END; |
||
129 | |||
130 | FIELD* = POINTER TO rFIELD; |
||
131 | |||
132 | PARAM* = POINTER TO rPARAM; |
||
133 | |||
8097 | maxcodehac | 134 | rTYPE = RECORD (LISTS.ITEM) |
7597 | akron1 | 135 | |
136 | typ*: INTEGER; |
||
137 | size*: INTEGER; |
||
7693 | akron1 | 138 | parSize*: INTEGER; |
7597 | akron1 | 139 | length*: INTEGER; |
140 | align*: INTEGER; |
||
8097 | maxcodehac | 141 | base*: _TYPE; |
7693 | akron1 | 142 | fields*: LISTS.LIST; |
143 | params*: LISTS.LIST; |
||
7597 | akron1 | 144 | unit*: UNIT; |
145 | closed*: BOOLEAN; |
||
146 | num*: INTEGER; |
||
147 | call*: INTEGER; |
||
8097 | maxcodehac | 148 | _import*: BOOLEAN; |
7597 | akron1 | 149 | noalign*: BOOLEAN |
150 | |||
151 | END; |
||
152 | |||
153 | rFIELD = RECORD (LISTS.ITEM) |
||
154 | |||
8097 | maxcodehac | 155 | _type*: _TYPE; |
7597 | akron1 | 156 | name*: SCAN.IDENT; |
157 | export*: BOOLEAN; |
||
158 | offset*: INTEGER |
||
159 | |||
160 | END; |
||
161 | |||
162 | rPARAM = RECORD (LISTS.ITEM) |
||
163 | |||
164 | name*: SCAN.IDENT; |
||
8097 | maxcodehac | 165 | _type*: _TYPE; |
7597 | akron1 | 166 | vPar*: BOOLEAN; |
167 | offset*: INTEGER |
||
168 | |||
169 | END; |
||
170 | |||
171 | rIDENT = RECORD (LISTS.ITEM) |
||
172 | |||
173 | name*: SCAN.IDENT; |
||
174 | typ*: INTEGER; |
||
175 | export*: BOOLEAN; |
||
8097 | maxcodehac | 176 | _import*: LISTS.ITEM; |
7597 | akron1 | 177 | unit*: UNIT; |
178 | value*: ARITH.VALUE; |
||
8097 | maxcodehac | 179 | _type*: _TYPE; |
7597 | akron1 | 180 | stproc*: INTEGER; |
181 | global*: BOOLEAN; |
||
182 | scopeLvl*: INTEGER; |
||
183 | offset*: INTEGER; |
||
184 | proc*: PROC; |
||
185 | pos*: SCAN.POSITION |
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186 | |||
187 | END; |
||
188 | |||
8097 | maxcodehac | 189 | PROGRAM = RECORD |
7597 | akron1 | 190 | |
191 | recCount: INTEGER; |
||
7693 | akron1 | 192 | units*: LISTS.LIST; |
7597 | akron1 | 193 | types*: LISTS.LIST; |
194 | sysunit*: UNIT; |
||
195 | rtl*: UNIT; |
||
196 | bss*: INTEGER; |
||
197 | locsize*: INTEGER; |
||
198 | |||
199 | procs*: LISTS.LIST; |
||
200 | |||
7983 | leency | 201 | sysflags*: SET; |
202 | options*: OPTIONS; |
||
203 | |||
7693 | akron1 | 204 | stTypes*: RECORD |
7597 | akron1 | 205 | |
7693 | akron1 | 206 | tINTEGER*, tBYTE*, tCHAR*, tWCHAR*, tSET*, tBOOLEAN*, tREAL*, |
8097 | maxcodehac | 207 | tSTRING*, tNIL*, tCARD32*, tANYREC*, tNONE*: _TYPE |
7597 | akron1 | 208 | |
7693 | akron1 | 209 | END |
7597 | akron1 | 210 | |
211 | END; |
||
212 | |||
8097 | maxcodehac | 213 | DELIMPORT = PROCEDURE (_import: LISTS.ITEM); |
7597 | akron1 | 214 | |
215 | |||
216 | VAR |
||
217 | |||
8859 | leency | 218 | LowerCase*: BOOLEAN; |
7597 | akron1 | 219 | idents: C.COLLECTION; |
8097 | maxcodehac | 220 | program*: PROGRAM; |
7597 | akron1 | 221 | |
222 | |||
223 | PROCEDURE NewIdent (): IDENT; |
||
224 | VAR |
||
225 | ident: IDENT; |
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226 | citem: C.ITEM; |
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227 | |||
228 | BEGIN |
||
229 | citem := C.pop(idents); |
||
230 | IF citem = NIL THEN |
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231 | NEW(ident) |
||
232 | ELSE |
||
233 | ident := citem(IDENT) |
||
234 | END |
||
235 | |||
236 | RETURN ident |
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237 | END NewIdent; |
||
238 | |||
239 | |||
8097 | maxcodehac | 240 | PROCEDURE getOffset* (varIdent: IDENT): INTEGER; |
7597 | akron1 | 241 | VAR |
242 | size: INTEGER; |
||
243 | |||
244 | BEGIN |
||
245 | IF varIdent.offset = -1 THEN |
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8097 | maxcodehac | 246 | size := varIdent._type.size; |
7597 | akron1 | 247 | IF varIdent.global THEN |
8097 | maxcodehac | 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 |
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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 |
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265 | ERRORS.Error(204) |
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7597 | akron1 | 266 | END |
267 | END |
||
268 | |||
269 | RETURN varIdent.offset |
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270 | END getOffset; |
||
271 | |||
272 | |||
7693 | akron1 | 273 | PROCEDURE closeUnit* (unit: UNIT); |
7597 | akron1 | 274 | VAR |
275 | ident, prev: IDENT; |
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276 | offset: INTEGER; |
||
277 | |||
278 | BEGIN |
||
279 | ident := unit.idents.last(IDENT); |
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280 | WHILE (ident # NIL) & (ident.typ # idGUARD) DO |
||
281 | IF (ident.typ = idVAR) & (ident.offset = -1) THEN |
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7693 | akron1 | 282 | ERRORS.HintMsg(ident.name.s, ident.pos.line, ident.pos.col, 0); |
7597 | akron1 | 283 | IF ident.export THEN |
8097 | maxcodehac | 284 | offset := getOffset(ident) |
7597 | akron1 | 285 | END |
286 | END; |
||
287 | ident := ident.prev(IDENT) |
||
288 | END; |
||
289 | |||
290 | ident := unit.idents.last(IDENT); |
||
291 | WHILE ident # NIL DO |
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292 | prev := ident.prev(IDENT); |
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293 | IF ~ident.export THEN |
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294 | LISTS.delete(unit.idents, ident); |
||
295 | C.push(idents, ident) |
||
296 | END; |
||
297 | ident := prev |
||
298 | END; |
||
299 | |||
300 | unit.closed := TRUE |
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7693 | akron1 | 301 | END closeUnit; |
7597 | akron1 | 302 | |
303 | |||
8859 | leency | 304 | PROCEDURE IdEq* (a, b: SCAN.IDENT): BOOLEAN; |
305 | RETURN (a.hash = b.hash) & (a.s = b.s) |
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306 | END IdEq; |
||
307 | |||
308 | |||
7597 | akron1 | 309 | PROCEDURE unique (unit: UNIT; ident: SCAN.IDENT): BOOLEAN; |
310 | VAR |
||
311 | item: IDENT; |
||
312 | |||
313 | BEGIN |
||
314 | item := unit.idents.last(IDENT); |
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8859 | leency | 315 | WHILE (item.typ # idGUARD) & ~IdEq(item.name, ident) DO |
7597 | akron1 | 316 | item := item.prev(IDENT) |
317 | END |
||
318 | |||
319 | RETURN item.typ = idGUARD |
||
320 | END unique; |
||
321 | |||
322 | |||
7693 | akron1 | 323 | PROCEDURE addIdent* (unit: UNIT; ident: SCAN.IDENT; typ: INTEGER): IDENT; |
7597 | akron1 | 324 | VAR |
7693 | akron1 | 325 | item: IDENT; |
326 | res: BOOLEAN; |
||
327 | proc: PROC; |
||
7597 | akron1 | 328 | |
329 | BEGIN |
||
330 | ASSERT(unit # NIL); |
||
331 | |||
332 | res := unique(unit, ident); |
||
333 | |||
334 | IF res THEN |
||
335 | item := NewIdent(); |
||
336 | |||
8097 | maxcodehac | 337 | item.name := ident; |
338 | item.typ := typ; |
||
339 | item.unit := NIL; |
||
340 | item.export := FALSE; |
||
341 | item._import := NIL; |
||
342 | item._type := NIL; |
||
7597 | akron1 | 343 | item.value.typ := 0; |
344 | item.stproc := 0; |
||
345 | |||
346 | item.global := unit.scopeLvl = 0; |
||
347 | item.scopeLvl := unit.scopeLvl; |
||
348 | item.offset := -1; |
||
349 | |||
350 | IF item.typ IN {idPROC, idIMP} THEN |
||
351 | NEW(proc); |
||
8097 | maxcodehac | 352 | proc._import := NIL; |
7597 | akron1 | 353 | proc.label := 0; |
354 | proc.used := FALSE; |
||
355 | proc.processed := FALSE; |
||
356 | proc.using := LISTS.create(NIL); |
||
8097 | maxcodehac | 357 | LISTS.push(program.procs, proc); |
7597 | akron1 | 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 | |||
8097 | maxcodehac | 396 | PROCEDURE setVarsType* (unit: UNIT; _type: _TYPE); |
7597 | akron1 | 397 | VAR |
398 | item: IDENT; |
||
399 | |||
400 | BEGIN |
||
8097 | maxcodehac | 401 | ASSERT(_type # NIL); |
7597 | akron1 | 402 | |
403 | item := unit.idents.last(IDENT); |
||
8097 | maxcodehac | 404 | WHILE (item # NIL) & (item.typ = idVAR) & (item._type = NIL) DO |
405 | item._type := _type; |
||
7597 | akron1 | 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 | item := unit.idents.last(IDENT); |
||
417 | |||
7693 | akron1 | 418 | IF item # NIL THEN |
7597 | akron1 | 419 | |
7693 | akron1 | 420 | IF currentScope THEN |
8859 | leency | 421 | WHILE (item.typ # idGUARD) & ~IdEq(item.name, ident) DO |
7693 | akron1 | 422 | item := item.prev(IDENT) |
423 | END; |
||
8859 | leency | 424 | IF item.typ = idGUARD THEN |
7693 | akron1 | 425 | item := NIL |
426 | END |
||
427 | ELSE |
||
8859 | leency | 428 | WHILE (item # NIL) & ~IdEq(item.name, ident) DO |
7693 | akron1 | 429 | item := item.prev(IDENT) |
430 | END |
||
7597 | akron1 | 431 | END |
7693 | akron1 | 432 | |
7597 | akron1 | 433 | END |
434 | |||
435 | RETURN item |
||
436 | END getIdent; |
||
437 | |||
438 | |||
7693 | akron1 | 439 | PROCEDURE openScope* (unit: UNIT; proc: PROC): BOOLEAN; |
7597 | akron1 | 440 | VAR |
441 | item: IDENT; |
||
442 | res: BOOLEAN; |
||
443 | |||
444 | BEGIN |
||
445 | INC(unit.scopeLvl); |
||
446 | |||
447 | res := unit.scopeLvl < MAXSCOPE; |
||
448 | |||
449 | IF res THEN |
||
450 | |||
451 | unit.scopes[unit.scopeLvl] := proc; |
||
452 | |||
453 | NEW(item); |
||
454 | item := NewIdent(); |
||
455 | |||
8859 | leency | 456 | item.name.s := ""; |
457 | item.name.hash := 0; |
||
7597 | akron1 | 458 | item.typ := idGUARD; |
459 | |||
460 | LISTS.push(unit.idents, item) |
||
461 | END |
||
462 | |||
463 | RETURN res |
||
464 | END openScope; |
||
465 | |||
466 | |||
8859 | leency | 467 | PROCEDURE closeScope* (unit: UNIT); |
7597 | akron1 | 468 | VAR |
469 | item: IDENT; |
||
470 | del: IDENT; |
||
471 | |||
472 | BEGIN |
||
473 | item := unit.idents.last(IDENT); |
||
474 | |||
475 | WHILE (item # NIL) & (item.typ # idGUARD) DO |
||
476 | del := item; |
||
477 | item := item.prev(IDENT); |
||
478 | IF (del.typ = idVAR) & (del.offset = -1) THEN |
||
7693 | akron1 | 479 | ERRORS.HintMsg(del.name.s, del.pos.line, del.pos.col, 0) |
7597 | akron1 | 480 | END; |
481 | LISTS.delete(unit.idents, del); |
||
482 | C.push(idents, del) |
||
483 | END; |
||
484 | |||
485 | IF (item # NIL) & (item.typ = idGUARD) THEN |
||
486 | LISTS.delete(unit.idents, item); |
||
487 | C.push(idents, item) |
||
488 | END; |
||
489 | |||
490 | DEC(unit.scopeLvl) |
||
491 | END closeScope; |
||
492 | |||
493 | |||
8097 | maxcodehac | 494 | PROCEDURE frwPtr* (unit: UNIT; _type: _TYPE; baseIdent: SCAN.IDENT; pos: SCAN.POSITION); |
7597 | akron1 | 495 | VAR |
496 | newptr: FRWPTR; |
||
497 | |||
498 | BEGIN |
||
499 | ASSERT(unit # NIL); |
||
8097 | maxcodehac | 500 | ASSERT(_type # NIL); |
7597 | akron1 | 501 | |
502 | NEW(newptr); |
||
503 | |||
8097 | maxcodehac | 504 | newptr._type := _type; |
7693 | akron1 | 505 | newptr.baseIdent := baseIdent; |
506 | newptr.pos := pos; |
||
507 | newptr.linked := FALSE; |
||
508 | newptr.notRecord := FALSE; |
||
7597 | akron1 | 509 | |
510 | LISTS.push(unit.frwPointers, newptr) |
||
7693 | akron1 | 511 | END frwPtr; |
7597 | akron1 | 512 | |
513 | |||
7693 | akron1 | 514 | PROCEDURE linkPtr* (unit: UNIT): FRWPTR; |
7597 | akron1 | 515 | VAR |
516 | item: FRWPTR; |
||
517 | ident: IDENT; |
||
518 | res: FRWPTR; |
||
519 | |||
520 | BEGIN |
||
521 | res := NIL; |
||
522 | item := unit.frwPointers.last(FRWPTR); |
||
523 | |||
524 | WHILE (item # NIL) & ~item.linked & (res = NIL) DO |
||
7693 | akron1 | 525 | ident := getIdent(unit, item.baseIdent, TRUE); |
7597 | akron1 | 526 | |
527 | IF (ident # NIL) THEN |
||
8097 | maxcodehac | 528 | IF (ident.typ = idTYPE) & (ident._type.typ = tRECORD) THEN |
529 | item._type.base := ident._type; |
||
7597 | akron1 | 530 | item.linked := TRUE |
531 | ELSE |
||
532 | item.notRecord := TRUE; |
||
533 | res := item |
||
534 | END |
||
535 | ELSE |
||
536 | item.notRecord := FALSE; |
||
537 | res := item |
||
538 | END; |
||
539 | |||
540 | item := item.prev(FRWPTR) |
||
541 | END |
||
542 | |||
543 | RETURN res |
||
7693 | akron1 | 544 | END linkPtr; |
7597 | akron1 | 545 | |
546 | |||
8097 | maxcodehac | 547 | PROCEDURE isTypeEq* (t1, t2: _TYPE): BOOLEAN; |
7597 | akron1 | 548 | VAR |
549 | res: BOOLEAN; |
||
550 | param1, param2: LISTS.ITEM; |
||
551 | |||
552 | BEGIN |
||
553 | IF t1 = t2 THEN |
||
554 | res := TRUE |
||
555 | ELSIF (t1 = NIL) OR (t2 = NIL) THEN |
||
556 | res := FALSE |
||
557 | ELSIF (t1.typ = tPROCEDURE) & (t2.typ = tPROCEDURE) THEN |
||
558 | |||
559 | param1 := t1.params.first; |
||
560 | param2 := t2.params.first; |
||
561 | |||
7693 | akron1 | 562 | res := ((t1.call = t2.call) OR (t1.call IN {code, _code}) OR (t2.call IN {code, _code})) & ((param1 # NIL) = (param2 # NIL)); |
7597 | akron1 | 563 | |
564 | WHILE res & (param1 # NIL) & (param2 # NIL) DO |
||
8097 | maxcodehac | 565 | res := (param1(PARAM).vPar = param2(PARAM).vPar) & isTypeEq(param1(PARAM)._type, param2(PARAM)._type); |
7597 | akron1 | 566 | param1 := param1.next; |
567 | param2 := param2.next; |
||
568 | res := res & ((param1 # NIL) = (param2 # NIL)) |
||
569 | END; |
||
570 | |||
571 | res := res & isTypeEq(t1.base, t2.base) |
||
572 | |||
573 | ELSIF (t1.typ = tARRAY) & (t2.typ = tARRAY) THEN |
||
574 | res := (t1.length = 0) & (t2.length = 0) & isTypeEq(t1.base, t2.base) |
||
575 | ELSE |
||
576 | res := FALSE |
||
577 | END |
||
578 | |||
579 | RETURN res |
||
580 | END isTypeEq; |
||
581 | |||
582 | |||
8097 | maxcodehac | 583 | PROCEDURE isBaseOf* (t0, t1: _TYPE): BOOLEAN; |
7597 | akron1 | 584 | VAR |
585 | res: BOOLEAN; |
||
586 | |||
587 | BEGIN |
||
7693 | akron1 | 588 | res := (t0.typ = t1.typ) & (t0.typ IN {tPOINTER, tRECORD}); |
7597 | akron1 | 589 | |
7693 | akron1 | 590 | IF res & (t0.typ = tPOINTER) THEN |
7597 | akron1 | 591 | t0 := t0.base; |
592 | t1 := t1.base |
||
593 | END; |
||
594 | |||
7693 | akron1 | 595 | IF res THEN |
596 | WHILE (t1 # NIL) & (t1 # t0) DO |
||
597 | t1 := t1.base |
||
598 | END; |
||
599 | res := t1 # NIL |
||
7597 | akron1 | 600 | END |
601 | |||
7693 | akron1 | 602 | RETURN res |
7597 | akron1 | 603 | END isBaseOf; |
604 | |||
605 | |||
8097 | maxcodehac | 606 | PROCEDURE isOpenArray* (t: _TYPE): BOOLEAN; |
7597 | akron1 | 607 | RETURN (t.typ = tARRAY) & (t.length = 0) |
608 | END isOpenArray; |
||
609 | |||
610 | |||
8097 | maxcodehac | 611 | PROCEDURE arrcomp* (src, dst: _TYPE): BOOLEAN; |
7696 | akron1 | 612 | RETURN (dst.typ = tARRAY) & isOpenArray(src) & |
613 | ~isOpenArray(src.base) & ~isOpenArray(dst.base) & |
||
614 | isTypeEq(src.base, dst.base) |
||
615 | END arrcomp; |
||
616 | |||
617 | |||
8859 | leency | 618 | PROCEDURE getUnit* (name: PATHS.PATH): UNIT; |
7597 | akron1 | 619 | VAR |
620 | item: UNIT; |
||
621 | |||
622 | BEGIN |
||
7693 | akron1 | 623 | item := program.units.first(UNIT); |
7597 | akron1 | 624 | |
8859 | leency | 625 | WHILE (item # NIL) & (item.fname # name) DO |
7597 | akron1 | 626 | item := item.next(UNIT) |
627 | END; |
||
628 | |||
8859 | leency | 629 | IF (item = NIL) & ((name = "SYSTEM") OR LowerCase & (name = "system")) THEN |
7693 | akron1 | 630 | item := program.sysunit |
7597 | akron1 | 631 | END |
632 | |||
633 | RETURN item |
||
7693 | akron1 | 634 | END getUnit; |
7597 | akron1 | 635 | |
636 | |||
8097 | maxcodehac | 637 | PROCEDURE enterStTypes (unit: UNIT); |
7597 | akron1 | 638 | |
639 | |||
8859 | leency | 640 | PROCEDURE enter (unit: UNIT; nameStr: SCAN.IDSTR; _type: _TYPE); |
8097 | maxcodehac | 641 | VAR |
642 | ident: IDENT; |
||
8859 | leency | 643 | upper: SCAN.IDSTR; |
644 | name: SCAN.IDENT; |
||
7597 | akron1 | 645 | |
8097 | maxcodehac | 646 | BEGIN |
647 | IF LowerCase THEN |
||
8859 | leency | 648 | SCAN.setIdent(name, nameStr); |
649 | ident := addIdent(unit, name, idTYPE); |
||
8097 | maxcodehac | 650 | ident._type := _type |
651 | END; |
||
8859 | leency | 652 | upper := nameStr; |
8097 | maxcodehac | 653 | STRINGS.UpCase(upper); |
8859 | leency | 654 | SCAN.setIdent(name, upper); |
655 | ident := addIdent(unit, name, idTYPE); |
||
8097 | maxcodehac | 656 | ident._type := _type |
657 | END enter; |
||
7597 | akron1 | 658 | |
659 | |||
8097 | maxcodehac | 660 | BEGIN |
661 | enter(unit, "integer", program.stTypes.tINTEGER); |
||
662 | enter(unit, "byte", program.stTypes.tBYTE); |
||
663 | enter(unit, "char", program.stTypes.tCHAR); |
||
664 | enter(unit, "set", program.stTypes.tSET); |
||
665 | enter(unit, "boolean", program.stTypes.tBOOLEAN); |
||
7597 | akron1 | 666 | |
7983 | leency | 667 | IF TARGETS.RealSize # 0 THEN |
8097 | maxcodehac | 668 | enter(unit, "real", program.stTypes.tREAL) |
7983 | leency | 669 | END; |
7597 | akron1 | 670 | |
7983 | leency | 671 | IF TARGETS.BitDepth >= 32 THEN |
8097 | maxcodehac | 672 | enter(unit, "wchar", program.stTypes.tWCHAR) |
7693 | akron1 | 673 | END |
7597 | akron1 | 674 | END enterStTypes; |
675 | |||
676 | |||
677 | PROCEDURE enterStProcs (unit: UNIT); |
||
678 | |||
679 | |||
8859 | leency | 680 | PROCEDURE Enter (unit: UNIT; nameStr: SCAN.IDSTR; nfunc, tfunc: INTEGER); |
7597 | akron1 | 681 | VAR |
682 | ident: IDENT; |
||
8859 | leency | 683 | upper: SCAN.IDSTR; |
684 | name: SCAN.IDENT; |
||
8097 | maxcodehac | 685 | |
7597 | akron1 | 686 | BEGIN |
8097 | maxcodehac | 687 | IF LowerCase THEN |
8859 | leency | 688 | SCAN.setIdent(name, nameStr); |
689 | ident := addIdent(unit, name, tfunc); |
||
690 | ident.stproc := nfunc; |
||
8097 | maxcodehac | 691 | ident._type := program.stTypes.tNONE |
692 | END; |
||
8859 | leency | 693 | upper := nameStr; |
8097 | maxcodehac | 694 | STRINGS.UpCase(upper); |
8859 | leency | 695 | SCAN.setIdent(name, upper); |
696 | ident := addIdent(unit, name, tfunc); |
||
697 | ident.stproc := nfunc; |
||
8097 | maxcodehac | 698 | ident._type := program.stTypes.tNONE |
8859 | leency | 699 | END Enter; |
7597 | akron1 | 700 | |
701 | |||
702 | BEGIN |
||
8859 | leency | 703 | Enter(unit, "assert", stASSERT, idSTPROC); |
704 | Enter(unit, "dec", stDEC, idSTPROC); |
||
705 | Enter(unit, "excl", stEXCL, idSTPROC); |
||
706 | Enter(unit, "inc", stINC, idSTPROC); |
||
707 | Enter(unit, "incl", stINCL, idSTPROC); |
||
708 | Enter(unit, "new", stNEW, idSTPROC); |
||
709 | Enter(unit, "copy", stCOPY, idSTPROC); |
||
7597 | akron1 | 710 | |
8859 | leency | 711 | Enter(unit, "abs", stABS, idSTFUNC); |
712 | Enter(unit, "asr", stASR, idSTFUNC); |
||
713 | Enter(unit, "chr", stCHR, idSTFUNC); |
||
714 | Enter(unit, "len", stLEN, idSTFUNC); |
||
715 | Enter(unit, "lsl", stLSL, idSTFUNC); |
||
716 | Enter(unit, "odd", stODD, idSTFUNC); |
||
717 | Enter(unit, "ord", stORD, idSTFUNC); |
||
718 | Enter(unit, "ror", stROR, idSTFUNC); |
||
719 | Enter(unit, "bits", stBITS, idSTFUNC); |
||
720 | Enter(unit, "lsr", stLSR, idSTFUNC); |
||
721 | Enter(unit, "length", stLENGTH, idSTFUNC); |
||
722 | Enter(unit, "min", stMIN, idSTFUNC); |
||
723 | Enter(unit, "max", stMAX, idSTFUNC); |
||
7693 | akron1 | 724 | |
7983 | leency | 725 | IF TARGETS.RealSize # 0 THEN |
8859 | leency | 726 | Enter(unit, "pack", stPACK, idSTPROC); |
727 | Enter(unit, "unpk", stUNPK, idSTPROC); |
||
728 | Enter(unit, "floor", stFLOOR, idSTFUNC); |
||
729 | Enter(unit, "flt", stFLT, idSTFUNC) |
||
7983 | leency | 730 | END; |
7693 | akron1 | 731 | |
7983 | leency | 732 | IF TARGETS.BitDepth >= 32 THEN |
8859 | leency | 733 | Enter(unit, "wchr", stWCHR, idSTFUNC) |
7983 | leency | 734 | END; |
735 | |||
736 | IF TARGETS.Dispose THEN |
||
8859 | leency | 737 | Enter(unit, "dispose", stDISPOSE, idSTPROC) |
7693 | akron1 | 738 | END |
739 | |||
7597 | akron1 | 740 | END enterStProcs; |
741 | |||
742 | |||
8097 | maxcodehac | 743 | PROCEDURE newUnit* (name: SCAN.IDENT): UNIT; |
7597 | akron1 | 744 | VAR |
7693 | akron1 | 745 | unit: UNIT; |
7597 | akron1 | 746 | |
747 | BEGIN |
||
748 | NEW(unit); |
||
749 | |||
750 | unit.name := name; |
||
751 | unit.closed := FALSE; |
||
7693 | akron1 | 752 | unit.idents := LISTS.create(NIL); |
7597 | akron1 | 753 | unit.frwPointers := LISTS.create(NIL); |
754 | |||
7693 | akron1 | 755 | ASSERT(openScope(unit, NIL)); |
7597 | akron1 | 756 | |
8097 | maxcodehac | 757 | enterStTypes(unit); |
7597 | akron1 | 758 | enterStProcs(unit); |
759 | |||
7693 | akron1 | 760 | ASSERT(openScope(unit, NIL)); |
7597 | akron1 | 761 | |
762 | unit.gscope := unit.idents.last(IDENT); |
||
763 | |||
7693 | akron1 | 764 | LISTS.push(program.units, unit); |
7597 | akron1 | 765 | |
766 | unit.scopeLvl := 0; |
||
767 | unit.scopes[0] := NIL; |
||
768 | |||
769 | unit.sysimport := FALSE; |
||
770 | |||
7983 | leency | 771 | IF unit.name.s = UTILS.RTL_NAME THEN |
7693 | akron1 | 772 | program.rtl := unit |
7597 | akron1 | 773 | END |
774 | |||
775 | RETURN unit |
||
7693 | akron1 | 776 | END newUnit; |
7597 | akron1 | 777 | |
778 | |||
8097 | maxcodehac | 779 | PROCEDURE getField* (self: _TYPE; name: SCAN.IDENT; unit: UNIT): FIELD; |
7597 | akron1 | 780 | VAR |
7693 | akron1 | 781 | field: FIELD; |
7597 | akron1 | 782 | |
783 | BEGIN |
||
784 | ASSERT(self # NIL); |
||
785 | ASSERT(unit # NIL); |
||
786 | |||
787 | field := NIL; |
||
788 | WHILE (self # NIL) & (field = NIL) DO |
||
789 | |||
790 | field := self.fields.first(FIELD); |
||
791 | |||
8859 | leency | 792 | WHILE (field # NIL) & ~IdEq(field.name, name) DO |
7597 | akron1 | 793 | field := field.next(FIELD) |
794 | END; |
||
795 | |||
796 | IF field = NIL THEN |
||
797 | self := self.base |
||
798 | END |
||
799 | |||
800 | END; |
||
801 | |||
802 | IF (field # NIL) & (self.unit # unit) & ~field.export THEN |
||
803 | field := NIL |
||
804 | END |
||
805 | |||
806 | RETURN field |
||
807 | END getField; |
||
808 | |||
809 | |||
8097 | maxcodehac | 810 | PROCEDURE addField* (self: _TYPE; name: SCAN.IDENT; export: BOOLEAN): BOOLEAN; |
7597 | akron1 | 811 | VAR |
7693 | akron1 | 812 | field: FIELD; |
813 | res: BOOLEAN; |
||
7597 | akron1 | 814 | |
815 | BEGIN |
||
816 | res := getField(self, name, self.unit) = NIL; |
||
817 | |||
818 | IF res THEN |
||
819 | NEW(field); |
||
820 | |||
821 | field.name := name; |
||
822 | field.export := export; |
||
8097 | maxcodehac | 823 | field._type := NIL; |
7597 | akron1 | 824 | field.offset := self.size; |
825 | |||
826 | LISTS.push(self.fields, field) |
||
827 | END |
||
828 | |||
829 | RETURN res |
||
830 | END addField; |
||
831 | |||
832 | |||
8097 | maxcodehac | 833 | PROCEDURE setFields* (self: _TYPE; _type: _TYPE): BOOLEAN; |
7597 | akron1 | 834 | VAR |
835 | item: FIELD; |
||
836 | res: BOOLEAN; |
||
837 | |||
838 | BEGIN |
||
8097 | maxcodehac | 839 | ASSERT(_type # NIL); |
7597 | akron1 | 840 | |
841 | item := self.fields.first(FIELD); |
||
842 | |||
8097 | maxcodehac | 843 | WHILE (item # NIL) & (item._type # NIL) DO |
7597 | akron1 | 844 | item := item.next(FIELD) |
845 | END; |
||
846 | |||
847 | res := TRUE; |
||
848 | |||
8097 | maxcodehac | 849 | WHILE res & (item # NIL) & (item._type = NIL) DO |
850 | item._type := _type; |
||
7597 | akron1 | 851 | IF ~self.noalign THEN |
8097 | maxcodehac | 852 | res := UTILS.Align(self.size, _type.align) |
7597 | akron1 | 853 | ELSE |
854 | res := TRUE |
||
855 | END; |
||
856 | item.offset := self.size; |
||
8097 | maxcodehac | 857 | res := res & (UTILS.maxint - self.size >= _type.size); |
7597 | akron1 | 858 | IF res THEN |
8097 | maxcodehac | 859 | INC(self.size, _type.size) |
7597 | akron1 | 860 | END; |
861 | item := item.next(FIELD) |
||
862 | END |
||
863 | |||
864 | RETURN res |
||
865 | END setFields; |
||
866 | |||
867 | |||
8097 | maxcodehac | 868 | PROCEDURE getParam* (self: _TYPE; name: SCAN.IDENT): PARAM; |
7597 | akron1 | 869 | VAR |
7693 | akron1 | 870 | item: PARAM; |
7597 | akron1 | 871 | |
872 | BEGIN |
||
873 | item := self.params.first(PARAM); |
||
874 | |||
8859 | leency | 875 | WHILE (item # NIL) & ~IdEq(item.name, name) DO |
7597 | akron1 | 876 | item := item.next(PARAM) |
877 | END |
||
878 | |||
879 | RETURN item |
||
880 | END getParam; |
||
881 | |||
882 | |||
8097 | maxcodehac | 883 | PROCEDURE addParam* (self: _TYPE; name: SCAN.IDENT; vPar: BOOLEAN): BOOLEAN; |
7597 | akron1 | 884 | VAR |
7693 | akron1 | 885 | param: PARAM; |
886 | res: BOOLEAN; |
||
7597 | akron1 | 887 | |
888 | BEGIN |
||
7693 | akron1 | 889 | res := getParam(self, name) = NIL; |
7597 | akron1 | 890 | |
891 | IF res THEN |
||
892 | NEW(param); |
||
893 | |||
8097 | maxcodehac | 894 | param.name := name; |
895 | param._type := NIL; |
||
896 | param.vPar := vPar; |
||
7597 | akron1 | 897 | |
898 | LISTS.push(self.params, param) |
||
899 | END |
||
900 | |||
901 | RETURN res |
||
902 | END addParam; |
||
903 | |||
904 | |||
8097 | maxcodehac | 905 | PROCEDURE Dim* (t: _TYPE): INTEGER; |
7597 | akron1 | 906 | VAR |
907 | res: INTEGER; |
||
908 | |||
909 | BEGIN |
||
910 | res := 0; |
||
911 | WHILE isOpenArray(t) DO |
||
912 | t := t.base; |
||
913 | INC(res) |
||
914 | END |
||
915 | RETURN res |
||
916 | END Dim; |
||
917 | |||
918 | |||
8097 | maxcodehac | 919 | PROCEDURE OpenBase* (t: _TYPE): _TYPE; |
7597 | akron1 | 920 | BEGIN |
921 | WHILE isOpenArray(t) DO t := t.base END |
||
922 | RETURN t |
||
923 | END OpenBase; |
||
924 | |||
925 | |||
8097 | maxcodehac | 926 | PROCEDURE getFloatParamsPos* (self: _TYPE; maxoffs: INTEGER; VAR int, flt: INTEGER): SET; |
7597 | akron1 | 927 | VAR |
928 | res: SET; |
||
929 | param: PARAM; |
||
930 | |||
931 | BEGIN |
||
932 | res := {}; |
||
933 | int := 0; |
||
934 | flt := 0; |
||
935 | param := self.params.first(PARAM); |
||
936 | WHILE (param # NIL) & (param.offset <= maxoffs + STACK_FRAME) DO |
||
8097 | maxcodehac | 937 | IF ~param.vPar & (param._type.typ = tREAL) THEN |
7597 | akron1 | 938 | INCL(res, param.offset - STACK_FRAME); |
939 | INC(flt) |
||
940 | END; |
||
941 | param := param.next(PARAM) |
||
942 | END; |
||
943 | |||
7693 | akron1 | 944 | int := self.parSize - flt |
7597 | akron1 | 945 | |
946 | RETURN res |
||
947 | END getFloatParamsPos; |
||
948 | |||
949 | |||
8097 | maxcodehac | 950 | PROCEDURE setParams* (self: _TYPE; _type: _TYPE); |
7597 | akron1 | 951 | VAR |
952 | item: LISTS.ITEM; |
||
953 | param: PARAM; |
||
954 | word, size: INTEGER; |
||
955 | |||
956 | BEGIN |
||
8097 | maxcodehac | 957 | ASSERT(_type # NIL); |
7597 | akron1 | 958 | |
7693 | akron1 | 959 | word := UTILS.target.bit_depth DIV 8; |
7597 | akron1 | 960 | |
961 | item := self.params.first; |
||
962 | |||
8097 | maxcodehac | 963 | WHILE (item # NIL) & (item(PARAM)._type # NIL) DO |
7597 | akron1 | 964 | item := item.next |
965 | END; |
||
966 | |||
8097 | maxcodehac | 967 | WHILE (item # NIL) & (item(PARAM)._type = NIL) DO |
7597 | akron1 | 968 | param := item(PARAM); |
8097 | maxcodehac | 969 | param._type := _type; |
7597 | akron1 | 970 | IF param.vPar THEN |
8097 | maxcodehac | 971 | IF _type.typ = tRECORD THEN |
7597 | akron1 | 972 | size := 2 |
8097 | maxcodehac | 973 | ELSIF isOpenArray(_type) THEN |
974 | size := Dim(_type) + 1 |
||
7597 | akron1 | 975 | ELSE |
976 | size := 1 |
||
977 | END; |
||
8097 | maxcodehac | 978 | param.offset := self.parSize + ORD(_type.typ = tRECORD) + Dim(_type) + STACK_FRAME; |
7693 | akron1 | 979 | INC(self.parSize, size) |
7597 | akron1 | 980 | ELSE |
8097 | maxcodehac | 981 | IF _type.typ IN {tRECORD, tARRAY} THEN |
982 | IF isOpenArray(_type) THEN |
||
983 | size := Dim(_type) + 1 |
||
7597 | akron1 | 984 | ELSE |
985 | size := 1 |
||
986 | END |
||
987 | ELSE |
||
8097 | maxcodehac | 988 | size := _type.size; |
7693 | akron1 | 989 | ASSERT(UTILS.Align(size, word)); |
7597 | akron1 | 990 | size := size DIV word |
991 | END; |
||
8097 | maxcodehac | 992 | param.offset := self.parSize + Dim(_type) + STACK_FRAME; |
7693 | akron1 | 993 | INC(self.parSize, size) |
7597 | akron1 | 994 | END; |
995 | |||
996 | item := item.next |
||
997 | END |
||
998 | |||
999 | END setParams; |
||
1000 | |||
1001 | |||
8097 | maxcodehac | 1002 | PROCEDURE enterType* (typ, size, length: INTEGER; unit: UNIT): _TYPE; |
7597 | akron1 | 1003 | VAR |
8097 | maxcodehac | 1004 | t: _TYPE; |
7597 | akron1 | 1005 | |
1006 | BEGIN |
||
1007 | NEW(t); |
||
1008 | |||
1009 | t.typ := typ; |
||
1010 | t.size := size; |
||
1011 | t.length := length; |
||
1012 | t.align := 0; |
||
1013 | t.base := NIL; |
||
7693 | akron1 | 1014 | t.fields := LISTS.create(NIL); |
1015 | t.params := LISTS.create(NIL); |
||
7597 | akron1 | 1016 | t.unit := unit; |
1017 | t.num := 0; |
||
7693 | akron1 | 1018 | |
7983 | leency | 1019 | CASE TARGETS.BitDepth OF |
7693 | akron1 | 1020 | |16: t.call := default16 |
1021 | |32: t.call := default32 |
||
1022 | |64: t.call := default64 |
||
7597 | akron1 | 1023 | END; |
7693 | akron1 | 1024 | |
8097 | maxcodehac | 1025 | t._import := FALSE; |
7597 | akron1 | 1026 | t.noalign := FALSE; |
7693 | akron1 | 1027 | t.parSize := 0; |
7597 | akron1 | 1028 | |
1029 | IF typ IN {tARRAY, tRECORD} THEN |
||
1030 | t.closed := FALSE; |
||
1031 | IF typ = tRECORD THEN |
||
1032 | INC(program.recCount); |
||
1033 | t.num := program.recCount |
||
1034 | END |
||
1035 | ELSE |
||
1036 | t.closed := TRUE |
||
1037 | END; |
||
1038 | |||
1039 | LISTS.push(program.types, t) |
||
1040 | |||
1041 | RETURN t |
||
1042 | END enterType; |
||
1043 | |||
1044 | |||
8097 | maxcodehac | 1045 | PROCEDURE getType* (typ: INTEGER): _TYPE; |
7597 | akron1 | 1046 | VAR |
8097 | maxcodehac | 1047 | res: _TYPE; |
7597 | akron1 | 1048 | |
1049 | BEGIN |
||
1050 | |||
7696 | akron1 | 1051 | CASE typ OF |
1052 | |ARITH.tINTEGER: res := program.stTypes.tINTEGER |
||
1053 | |ARITH.tREAL: res := program.stTypes.tREAL |
||
1054 | |ARITH.tSET: res := program.stTypes.tSET |
||
1055 | |ARITH.tBOOLEAN: res := program.stTypes.tBOOLEAN |
||
1056 | |ARITH.tCHAR: res := program.stTypes.tCHAR |
||
1057 | |ARITH.tWCHAR: res := program.stTypes.tWCHAR |
||
1058 | |ARITH.tSTRING: res := program.stTypes.tSTRING |
||
1059 | END |
||
7597 | akron1 | 1060 | |
1061 | RETURN res |
||
1062 | END getType; |
||
1063 | |||
1064 | |||
8097 | maxcodehac | 1065 | PROCEDURE createSysUnit; |
7597 | akron1 | 1066 | VAR |
1067 | ident: IDENT; |
||
1068 | unit: UNIT; |
||
8859 | leency | 1069 | name: SCAN.IDENT; |
7597 | akron1 | 1070 | |
1071 | |||
8859 | leency | 1072 | PROCEDURE EnterProc (sys: UNIT; nameStr: SCAN.IDSTR; idtyp, proc: INTEGER); |
7597 | akron1 | 1073 | VAR |
1074 | ident: IDENT; |
||
8859 | leency | 1075 | upper: SCAN.IDSTR; |
1076 | name: SCAN.IDENT; |
||
8097 | maxcodehac | 1077 | |
7597 | akron1 | 1078 | BEGIN |
8097 | maxcodehac | 1079 | IF LowerCase THEN |
8859 | leency | 1080 | SCAN.setIdent(name, nameStr); |
1081 | ident := addIdent(sys, name, idtyp); |
||
8097 | maxcodehac | 1082 | ident.stproc := proc; |
1083 | ident._type := program.stTypes.tNONE; |
||
1084 | ident.export := TRUE |
||
1085 | END; |
||
8859 | leency | 1086 | upper := nameStr; |
8097 | maxcodehac | 1087 | STRINGS.UpCase(upper); |
8859 | leency | 1088 | SCAN.setIdent(name, upper); |
1089 | ident := addIdent(sys, name, idtyp); |
||
7597 | akron1 | 1090 | ident.stproc := proc; |
8097 | maxcodehac | 1091 | ident._type := program.stTypes.tNONE; |
7597 | akron1 | 1092 | ident.export := TRUE |
1093 | END EnterProc; |
||
1094 | |||
1095 | |||
1096 | BEGIN |
||
8859 | leency | 1097 | SCAN.setIdent(name, "$SYSTEM"); |
1098 | unit := newUnit(name); |
||
1099 | unit.fname := "SYSTEM"; |
||
7597 | akron1 | 1100 | |
8097 | maxcodehac | 1101 | EnterProc(unit, "adr", idSYSFUNC, sysADR); |
1102 | EnterProc(unit, "size", idSYSFUNC, sysSIZE); |
||
1103 | EnterProc(unit, "sadr", idSYSFUNC, sysSADR); |
||
1104 | EnterProc(unit, "typeid", idSYSFUNC, sysTYPEID); |
||
7597 | akron1 | 1105 | |
8097 | maxcodehac | 1106 | EnterProc(unit, "get", idSYSPROC, sysGET); |
1107 | EnterProc(unit, "get8", idSYSPROC, sysGET8); |
||
1108 | EnterProc(unit, "put", idSYSPROC, sysPUT); |
||
1109 | EnterProc(unit, "put8", idSYSPROC, sysPUT8); |
||
1110 | EnterProc(unit, "code", idSYSPROC, sysCODE); |
||
1111 | EnterProc(unit, "move", idSYSPROC, sysMOVE); |
||
7693 | akron1 | 1112 | (* |
1113 | IF program.target.sys = mConst.Target_iMSP430 THEN |
||
8097 | maxcodehac | 1114 | EnterProc(unit, "nop", idSYSPROC, sysNOP); |
1115 | EnterProc(unit, "eint", idSYSPROC, sysEINT); |
||
1116 | EnterProc(unit, "dint", idSYSPROC, sysDINT) |
||
7693 | akron1 | 1117 | END; |
1118 | *) |
||
7983 | leency | 1119 | IF TARGETS.RealSize # 0 THEN |
8097 | maxcodehac | 1120 | EnterProc(unit, "inf", idSYSFUNC, sysINF); |
7983 | leency | 1121 | END; |
1122 | |||
1123 | IF TARGETS.CPU IN {TARGETS.cpuX86, TARGETS.cpuAMD64} THEN |
||
8097 | maxcodehac | 1124 | EnterProc(unit, "copy", idSYSPROC, sysCOPY) |
7983 | leency | 1125 | END; |
1126 | |||
1127 | IF TARGETS.BitDepth >= 32 THEN |
||
8097 | maxcodehac | 1128 | EnterProc(unit, "wsadr", idSYSFUNC, sysWSADR); |
1129 | EnterProc(unit, "put16", idSYSPROC, sysPUT16); |
||
1130 | EnterProc(unit, "put32", idSYSPROC, sysPUT32); |
||
1131 | EnterProc(unit, "get16", idSYSPROC, sysGET16); |
||
1132 | EnterProc(unit, "get32", idSYSPROC, sysGET32); |
||
7597 | akron1 | 1133 | |
8097 | maxcodehac | 1134 | IF LowerCase THEN |
8859 | leency | 1135 | SCAN.setIdent(name, "card32"); |
1136 | ident := addIdent(unit, name, idTYPE); |
||
8097 | maxcodehac | 1137 | ident._type := program.stTypes.tCARD32; |
1138 | ident.export := TRUE |
||
1139 | END; |
||
8859 | leency | 1140 | SCAN.setIdent(name, "CARD32"); |
1141 | ident := addIdent(unit, name, idTYPE); |
||
8097 | maxcodehac | 1142 | ident._type := program.stTypes.tCARD32; |
1143 | ident.export := TRUE; |
||
7693 | akron1 | 1144 | END; |
7597 | akron1 | 1145 | |
7693 | akron1 | 1146 | closeUnit(unit); |
7597 | akron1 | 1147 | |
1148 | program.sysunit := unit |
||
1149 | END createSysUnit; |
||
1150 | |||
1151 | |||
8097 | maxcodehac | 1152 | PROCEDURE DelUnused* (DelImport: DELIMPORT); |
7597 | akron1 | 1153 | VAR |
7693 | akron1 | 1154 | proc: PROC; |
1155 | flag: BOOLEAN; |
||
7597 | akron1 | 1156 | |
1157 | |||
1158 | PROCEDURE process (proc: PROC); |
||
1159 | VAR |
||
1160 | used_proc: LISTS.ITEM; |
||
1161 | |||
1162 | BEGIN |
||
1163 | proc.processed := TRUE; |
||
1164 | |||
1165 | used_proc := proc.using.first; |
||
1166 | WHILE used_proc # NIL DO |
||
1167 | used_proc(USED_PROC).proc.used := TRUE; |
||
1168 | used_proc := used_proc.next |
||
1169 | END |
||
1170 | |||
1171 | END process; |
||
1172 | |||
1173 | |||
1174 | BEGIN |
||
1175 | |||
1176 | REPEAT |
||
1177 | flag := FALSE; |
||
1178 | proc := program.procs.first(PROC); |
||
1179 | |||
1180 | WHILE proc # NIL DO |
||
1181 | IF proc.used & ~proc.processed THEN |
||
1182 | process(proc); |
||
1183 | flag := TRUE |
||
1184 | END; |
||
1185 | proc := proc.next(PROC) |
||
1186 | END |
||
1187 | |||
1188 | UNTIL ~flag; |
||
1189 | |||
1190 | proc := program.procs.first(PROC); |
||
1191 | |||
1192 | WHILE proc # NIL DO |
||
1193 | IF ~proc.used THEN |
||
8097 | maxcodehac | 1194 | IF proc._import = NIL THEN |
7693 | akron1 | 1195 | IL.delete2(proc.enter, proc.leave) |
7597 | akron1 | 1196 | ELSE |
8097 | maxcodehac | 1197 | DelImport(proc._import) |
7597 | akron1 | 1198 | END |
1199 | END; |
||
1200 | proc := proc.next(PROC) |
||
1201 | END |
||
1202 | |||
1203 | END DelUnused; |
||
1204 | |||
1205 | |||
8097 | maxcodehac | 1206 | PROCEDURE ResetLocSize*; |
1207 | BEGIN |
||
1208 | program.locsize := 0 |
||
1209 | END ResetLocSize; |
||
7597 | akron1 | 1210 | |
8097 | maxcodehac | 1211 | |
1212 | PROCEDURE create* (options: OPTIONS); |
||
7597 | akron1 | 1213 | BEGIN |
8097 | maxcodehac | 1214 | LowerCase := options.lower; |
1215 | SCAN.init(options.lower); |
||
7597 | akron1 | 1216 | idents := C.create(); |
1217 | |||
7983 | leency | 1218 | UTILS.SetBitDepth(TARGETS.BitDepth, TARGETS.RealSize = 8); |
7597 | akron1 | 1219 | |
7983 | leency | 1220 | program.options := options; |
7597 | akron1 | 1221 | |
7983 | leency | 1222 | CASE TARGETS.OS OF |
9847 | akron1 | 1223 | |TARGETS.osWIN32: program.sysflags := {sf_oberon, sf_windows, sf_stdcall, sf_cdecl, sf_ccall, sf_fastcall, sf_noalign} |
1224 | |TARGETS.osLINUX32: program.sysflags := {sf_oberon, sf_linux, sf_stdcall, sf_cdecl, sf_ccall, sf_fastcall, sf_noalign} |
||
1225 | |TARGETS.osKOS: program.sysflags := {sf_oberon, sf_stdcall, sf_cdecl, sf_ccall, sf_fastcall, sf_noalign} |
||
8859 | leency | 1226 | |TARGETS.osWIN64: program.sysflags := {sf_oberon, sf_windows, sf_win64, sf_systemv, sf_ccall, sf_noalign} |
1227 | |TARGETS.osLINUX64: program.sysflags := {sf_oberon, sf_linux, sf_win64, sf_systemv, sf_ccall, sf_noalign} |
||
7983 | leency | 1228 | |TARGETS.osNONE: program.sysflags := {sf_code} |
7693 | akron1 | 1229 | END; |
1230 | |||
7597 | akron1 | 1231 | program.recCount := -1; |
1232 | program.bss := 0; |
||
1233 | |||
7693 | akron1 | 1234 | program.units := LISTS.create(NIL); |
7597 | akron1 | 1235 | program.types := LISTS.create(NIL); |
1236 | program.procs := LISTS.create(NIL); |
||
1237 | |||
8097 | maxcodehac | 1238 | program.stTypes.tINTEGER := enterType(tINTEGER, TARGETS.WordSize, 0, NIL); |
1239 | program.stTypes.tBYTE := enterType(tBYTE, 1, 0, NIL); |
||
1240 | program.stTypes.tCHAR := enterType(tCHAR, 1, 0, NIL); |
||
1241 | program.stTypes.tSET := enterType(tSET, TARGETS.WordSize, 0, NIL); |
||
1242 | program.stTypes.tBOOLEAN := enterType(tBOOLEAN, 1, 0, NIL); |
||
7693 | akron1 | 1243 | |
7983 | leency | 1244 | program.stTypes.tINTEGER.align := TARGETS.WordSize; |
1245 | program.stTypes.tBYTE.align := 1; |
||
1246 | program.stTypes.tCHAR.align := 1; |
||
1247 | program.stTypes.tSET.align := TARGETS.WordSize; |
||
1248 | program.stTypes.tBOOLEAN.align := 1; |
||
1249 | |||
1250 | IF TARGETS.BitDepth >= 32 THEN |
||
8097 | maxcodehac | 1251 | program.stTypes.tWCHAR := enterType(tWCHAR, 2, 0, NIL); |
1252 | program.stTypes.tCARD32 := enterType(tCARD32, 4, 0, NIL); |
||
7983 | leency | 1253 | program.stTypes.tWCHAR.align := 2; |
1254 | program.stTypes.tCARD32.align := 4 |
||
7693 | akron1 | 1255 | END; |
1256 | |||
7983 | leency | 1257 | IF TARGETS.RealSize # 0 THEN |
8097 | maxcodehac | 1258 | program.stTypes.tREAL := enterType(tREAL, TARGETS.RealSize, 0, NIL); |
7983 | leency | 1259 | program.stTypes.tREAL.align := TARGETS.RealSize |
1260 | END; |
||
7693 | akron1 | 1261 | |
8097 | maxcodehac | 1262 | program.stTypes.tSTRING := enterType(tSTRING, TARGETS.WordSize, 0, NIL); |
1263 | program.stTypes.tNIL := enterType(tNIL, TARGETS.WordSize, 0, NIL); |
||
1264 | program.stTypes.tNONE := enterType(tNONE, 0, 0, NIL); |
||
1265 | program.stTypes.tANYREC := enterType(tRECORD, 0, 0, NIL); |
||
7597 | akron1 | 1266 | program.stTypes.tANYREC.closed := TRUE; |
1267 | |||
8097 | maxcodehac | 1268 | createSysUnit |
7597 | akron1 | 1269 | END create; |
1270 | |||
1271 | |||
7983 | leency | 1272 | END PROG.=>> |