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Rev | Author | Line No. | Line |
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7983 | leency | 1 | (* |
7597 | akron1 | 2 | BSD 2-Clause License |
3 | |||
8859 | leency | 4 | Copyright (c) 2018-2021, 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; |
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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; |
||
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; |
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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; |
||
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; |
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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; |
||
7597 | akron1 | 49 | win64* = 10; _win64* = win64 + 1; |
8859 | leency | 50 | default64* = 12; _default64* = default64 + 1; |
51 | systemv* = 14; _systemv* = systemv + 1; |
||
52 | default16* = 16; _default16* = default16 + 1; |
||
53 | code* = 18; _code* = code + 1; |
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7597 | akron1 | 54 | |
7693 | akron1 | 55 | noalign* = 22; |
7597 | akron1 | 56 | |
8859 | leency | 57 | callee_clean_up* = {default32, _default32, stdcall, _stdcall, default64, _default64}; |
7597 | akron1 | 58 | |
8859 | leency | 59 | sf_stdcall* = 0; sf_oberon* = 1; sf_cdecl* = 2; sf_ccall* = 3; |
60 | sf_win64* = 4; sf_systemv* = 5; sf_windows* = 6; sf_linux* = 7; |
||
61 | sf_code* = 8; |
||
62 | sf_noalign* = 9; |
||
7693 | akron1 | 63 | |
8859 | leency | 64 | proc_flags* = {sf_stdcall, sf_cdecl, sf_ccall, sf_win64, sf_systemv, sf_windows, sf_linux, sf_code, sf_oberon}; |
7693 | akron1 | 65 | rec_flags* = {sf_noalign}; |
66 | |||
7597 | akron1 | 67 | STACK_FRAME = 2; |
68 | |||
69 | |||
70 | TYPE |
||
71 | |||
7693 | akron1 | 72 | OPTIONS* = RECORD |
73 | |||
7696 | akron1 | 74 | version*, stack*, ram*, rom*: INTEGER; |
8097 | maxcodehac | 75 | pic*, lower*: BOOLEAN; |
7693 | akron1 | 76 | checking*: SET |
77 | |||
78 | END; |
||
79 | |||
7597 | akron1 | 80 | IDENT* = POINTER TO rIDENT; |
81 | |||
82 | UNIT* = POINTER TO rUNIT; |
||
83 | |||
8097 | maxcodehac | 84 | _TYPE* = POINTER TO rTYPE; |
7597 | akron1 | 85 | |
86 | FRWPTR* = POINTER TO RECORD (LISTS.ITEM) |
||
87 | |||
8097 | maxcodehac | 88 | _type: _TYPE; |
7597 | akron1 | 89 | baseIdent: SCAN.IDENT; |
90 | linked: BOOLEAN; |
||
91 | |||
92 | pos*: SCAN.POSITION; |
||
93 | notRecord*: BOOLEAN |
||
94 | |||
95 | END; |
||
96 | |||
97 | PROC* = POINTER TO RECORD (LISTS.ITEM) |
||
98 | |||
99 | label*: INTEGER; |
||
100 | used*: BOOLEAN; |
||
101 | processed*: BOOLEAN; |
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8097 | maxcodehac | 102 | _import*: LISTS.ITEM; |
7597 | akron1 | 103 | using*: LISTS.LIST; |
104 | enter*, |
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105 | leave*: LISTS.ITEM |
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106 | |||
107 | END; |
||
108 | |||
109 | USED_PROC = POINTER TO RECORD (LISTS.ITEM) |
||
110 | |||
111 | proc: PROC |
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112 | |||
113 | END; |
||
114 | |||
115 | rUNIT = RECORD (LISTS.ITEM) |
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116 | |||
8859 | leency | 117 | fname*: PATHS.PATH; |
7597 | akron1 | 118 | name*: SCAN.IDENT; |
7693 | akron1 | 119 | idents*: LISTS.LIST; |
7597 | akron1 | 120 | frwPointers: LISTS.LIST; |
121 | gscope: IDENT; |
||
122 | closed*: BOOLEAN; |
||
123 | scopeLvl*: INTEGER; |
||
124 | sysimport*: BOOLEAN; |
||
7693 | akron1 | 125 | scopes*: ARRAY MAXSCOPE OF PROC |
7597 | akron1 | 126 | |
127 | END; |
||
128 | |||
129 | FIELD* = POINTER TO rFIELD; |
||
130 | |||
131 | PARAM* = POINTER TO rPARAM; |
||
132 | |||
8097 | maxcodehac | 133 | rTYPE = RECORD (LISTS.ITEM) |
7597 | akron1 | 134 | |
135 | typ*: INTEGER; |
||
136 | size*: INTEGER; |
||
7693 | akron1 | 137 | parSize*: INTEGER; |
7597 | akron1 | 138 | length*: INTEGER; |
139 | align*: INTEGER; |
||
8097 | maxcodehac | 140 | base*: _TYPE; |
7693 | akron1 | 141 | fields*: LISTS.LIST; |
142 | params*: LISTS.LIST; |
||
7597 | akron1 | 143 | unit*: UNIT; |
144 | closed*: BOOLEAN; |
||
145 | num*: INTEGER; |
||
146 | call*: INTEGER; |
||
8097 | maxcodehac | 147 | _import*: BOOLEAN; |
7597 | akron1 | 148 | noalign*: BOOLEAN |
149 | |||
150 | END; |
||
151 | |||
152 | rFIELD = RECORD (LISTS.ITEM) |
||
153 | |||
8097 | maxcodehac | 154 | _type*: _TYPE; |
7597 | akron1 | 155 | name*: SCAN.IDENT; |
156 | export*: BOOLEAN; |
||
157 | offset*: INTEGER |
||
158 | |||
159 | END; |
||
160 | |||
161 | rPARAM = RECORD (LISTS.ITEM) |
||
162 | |||
163 | name*: SCAN.IDENT; |
||
8097 | maxcodehac | 164 | _type*: _TYPE; |
7597 | akron1 | 165 | vPar*: BOOLEAN; |
166 | offset*: INTEGER |
||
167 | |||
168 | END; |
||
169 | |||
170 | rIDENT = RECORD (LISTS.ITEM) |
||
171 | |||
172 | name*: SCAN.IDENT; |
||
173 | typ*: INTEGER; |
||
174 | export*: BOOLEAN; |
||
8097 | maxcodehac | 175 | _import*: LISTS.ITEM; |
7597 | akron1 | 176 | unit*: UNIT; |
177 | value*: ARITH.VALUE; |
||
8097 | maxcodehac | 178 | _type*: _TYPE; |
7597 | akron1 | 179 | stproc*: INTEGER; |
180 | global*: BOOLEAN; |
||
181 | scopeLvl*: INTEGER; |
||
182 | offset*: INTEGER; |
||
183 | proc*: PROC; |
||
184 | pos*: SCAN.POSITION |
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185 | |||
186 | END; |
||
187 | |||
8097 | maxcodehac | 188 | PROGRAM = RECORD |
7597 | akron1 | 189 | |
190 | recCount: INTEGER; |
||
7693 | akron1 | 191 | units*: LISTS.LIST; |
7597 | akron1 | 192 | types*: LISTS.LIST; |
193 | sysunit*: UNIT; |
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194 | rtl*: UNIT; |
||
195 | bss*: INTEGER; |
||
196 | locsize*: INTEGER; |
||
197 | |||
198 | procs*: LISTS.LIST; |
||
199 | |||
7983 | leency | 200 | sysflags*: SET; |
201 | options*: OPTIONS; |
||
202 | |||
7693 | akron1 | 203 | stTypes*: RECORD |
7597 | akron1 | 204 | |
7693 | akron1 | 205 | tINTEGER*, tBYTE*, tCHAR*, tWCHAR*, tSET*, tBOOLEAN*, tREAL*, |
8097 | maxcodehac | 206 | tSTRING*, tNIL*, tCARD32*, tANYREC*, tNONE*: _TYPE |
7597 | akron1 | 207 | |
7693 | akron1 | 208 | END |
7597 | akron1 | 209 | |
210 | END; |
||
211 | |||
8097 | maxcodehac | 212 | DELIMPORT = PROCEDURE (_import: LISTS.ITEM); |
7597 | akron1 | 213 | |
214 | |||
215 | VAR |
||
216 | |||
8859 | leency | 217 | LowerCase*: BOOLEAN; |
7597 | akron1 | 218 | idents: C.COLLECTION; |
8097 | maxcodehac | 219 | program*: PROGRAM; |
7597 | akron1 | 220 | |
221 | |||
222 | PROCEDURE NewIdent (): IDENT; |
||
223 | VAR |
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224 | ident: IDENT; |
||
225 | citem: C.ITEM; |
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226 | |||
227 | BEGIN |
||
228 | citem := C.pop(idents); |
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229 | IF citem = NIL THEN |
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230 | NEW(ident) |
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231 | ELSE |
||
232 | ident := citem(IDENT) |
||
233 | END |
||
234 | |||
235 | RETURN ident |
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236 | END NewIdent; |
||
237 | |||
238 | |||
8097 | maxcodehac | 239 | PROCEDURE getOffset* (varIdent: IDENT): INTEGER; |
7597 | akron1 | 240 | VAR |
241 | size: INTEGER; |
||
242 | |||
243 | BEGIN |
||
244 | IF varIdent.offset = -1 THEN |
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8097 | maxcodehac | 245 | size := varIdent._type.size; |
7597 | akron1 | 246 | IF varIdent.global THEN |
8097 | maxcodehac | 247 | IF UTILS.Align(program.bss, varIdent._type.align) THEN |
7696 | akron1 | 248 | IF UTILS.maxint - program.bss >= size THEN |
7597 | akron1 | 249 | varIdent.offset := program.bss; |
7696 | akron1 | 250 | INC(program.bss, size) |
7597 | akron1 | 251 | END |
252 | END |
||
253 | ELSE |
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7983 | leency | 254 | IF UTILS.Align(size, TARGETS.WordSize) THEN |
255 | size := size DIV TARGETS.WordSize; |
||
7597 | akron1 | 256 | IF UTILS.maxint - program.locsize >= size THEN |
257 | INC(program.locsize, size); |
||
7696 | akron1 | 258 | varIdent.offset := program.locsize |
7597 | akron1 | 259 | END |
260 | END |
||
7696 | akron1 | 261 | END; |
262 | |||
263 | IF varIdent.offset = -1 THEN |
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264 | ERRORS.Error(204) |
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7597 | akron1 | 265 | END |
266 | END |
||
267 | |||
268 | RETURN varIdent.offset |
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269 | END getOffset; |
||
270 | |||
271 | |||
7693 | akron1 | 272 | PROCEDURE closeUnit* (unit: UNIT); |
7597 | akron1 | 273 | VAR |
274 | ident, prev: IDENT; |
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275 | offset: INTEGER; |
||
276 | |||
277 | BEGIN |
||
278 | ident := unit.idents.last(IDENT); |
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279 | WHILE (ident # NIL) & (ident.typ # idGUARD) DO |
||
280 | IF (ident.typ = idVAR) & (ident.offset = -1) THEN |
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7693 | akron1 | 281 | ERRORS.HintMsg(ident.name.s, ident.pos.line, ident.pos.col, 0); |
7597 | akron1 | 282 | IF ident.export THEN |
8097 | maxcodehac | 283 | offset := getOffset(ident) |
7597 | akron1 | 284 | END |
285 | END; |
||
286 | ident := ident.prev(IDENT) |
||
287 | END; |
||
288 | |||
289 | ident := unit.idents.last(IDENT); |
||
290 | WHILE ident # NIL DO |
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291 | prev := ident.prev(IDENT); |
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292 | IF ~ident.export THEN |
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293 | LISTS.delete(unit.idents, ident); |
||
294 | C.push(idents, ident) |
||
295 | END; |
||
296 | ident := prev |
||
297 | END; |
||
298 | |||
299 | unit.closed := TRUE |
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7693 | akron1 | 300 | END closeUnit; |
7597 | akron1 | 301 | |
302 | |||
8859 | leency | 303 | PROCEDURE IdEq* (a, b: SCAN.IDENT): BOOLEAN; |
304 | RETURN (a.hash = b.hash) & (a.s = b.s) |
||
305 | END IdEq; |
||
306 | |||
307 | |||
7597 | akron1 | 308 | PROCEDURE unique (unit: UNIT; ident: SCAN.IDENT): BOOLEAN; |
309 | VAR |
||
310 | item: IDENT; |
||
311 | |||
312 | BEGIN |
||
313 | item := unit.idents.last(IDENT); |
||
8859 | leency | 314 | WHILE (item.typ # idGUARD) & ~IdEq(item.name, ident) DO |
7597 | akron1 | 315 | item := item.prev(IDENT) |
316 | END |
||
317 | |||
318 | RETURN item.typ = idGUARD |
||
319 | END unique; |
||
320 | |||
321 | |||
7693 | akron1 | 322 | PROCEDURE addIdent* (unit: UNIT; ident: SCAN.IDENT; typ: INTEGER): IDENT; |
7597 | akron1 | 323 | VAR |
7693 | akron1 | 324 | item: IDENT; |
325 | res: BOOLEAN; |
||
326 | proc: PROC; |
||
7597 | akron1 | 327 | |
328 | BEGIN |
||
329 | ASSERT(unit # NIL); |
||
330 | |||
331 | res := unique(unit, ident); |
||
332 | |||
333 | IF res THEN |
||
334 | item := NewIdent(); |
||
335 | |||
8097 | maxcodehac | 336 | item.name := ident; |
337 | item.typ := typ; |
||
338 | item.unit := NIL; |
||
339 | item.export := FALSE; |
||
340 | item._import := NIL; |
||
341 | item._type := NIL; |
||
7597 | akron1 | 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); |
||
8097 | maxcodehac | 351 | proc._import := NIL; |
7597 | akron1 | 352 | proc.label := 0; |
353 | proc.used := FALSE; |
||
354 | proc.processed := FALSE; |
||
355 | proc.using := LISTS.create(NIL); |
||
8097 | maxcodehac | 356 | LISTS.push(program.procs, proc); |
7597 | akron1 | 357 | item.proc := proc |
358 | END; |
||
359 | |||
360 | LISTS.push(unit.idents, item) |
||
361 | ELSE |
||
362 | item := NIL |
||
363 | END |
||
364 | |||
365 | RETURN item |
||
366 | END addIdent; |
||
367 | |||
368 | |||
369 | PROCEDURE UseProc* (unit: UNIT; call_proc: PROC); |
||
370 | VAR |
||
7693 | akron1 | 371 | procs: LISTS.LIST; |
372 | cur: LISTS.ITEM; |
||
373 | proc: USED_PROC; |
||
7597 | akron1 | 374 | |
375 | BEGIN |
||
376 | IF unit.scopeLvl = 0 THEN |
||
377 | call_proc.used := TRUE |
||
378 | ELSE |
||
379 | procs := unit.scopes[unit.scopeLvl].using; |
||
380 | |||
381 | cur := procs.first; |
||
382 | WHILE (cur # NIL) & (cur(USED_PROC).proc # call_proc) DO |
||
383 | cur := cur.next |
||
384 | END; |
||
385 | |||
386 | IF cur = NIL THEN |
||
387 | NEW(proc); |
||
388 | proc.proc := call_proc; |
||
389 | LISTS.push(procs, proc) |
||
390 | END |
||
391 | END |
||
392 | END UseProc; |
||
393 | |||
394 | |||
8097 | maxcodehac | 395 | PROCEDURE setVarsType* (unit: UNIT; _type: _TYPE); |
7597 | akron1 | 396 | VAR |
397 | item: IDENT; |
||
398 | |||
399 | BEGIN |
||
8097 | maxcodehac | 400 | ASSERT(_type # NIL); |
7597 | akron1 | 401 | |
402 | item := unit.idents.last(IDENT); |
||
8097 | maxcodehac | 403 | WHILE (item # NIL) & (item.typ = idVAR) & (item._type = NIL) DO |
404 | item._type := _type; |
||
7597 | akron1 | 405 | item := item.prev(IDENT) |
406 | END |
||
7693 | akron1 | 407 | END setVarsType; |
7597 | akron1 | 408 | |
409 | |||
7693 | akron1 | 410 | PROCEDURE getIdent* (unit: UNIT; ident: SCAN.IDENT; currentScope: BOOLEAN): IDENT; |
7597 | akron1 | 411 | VAR |
412 | item: IDENT; |
||
413 | |||
414 | BEGIN |
||
415 | item := unit.idents.last(IDENT); |
||
416 | |||
7693 | akron1 | 417 | IF item # NIL THEN |
7597 | akron1 | 418 | |
7693 | akron1 | 419 | IF currentScope THEN |
8859 | leency | 420 | WHILE (item.typ # idGUARD) & ~IdEq(item.name, ident) DO |
7693 | akron1 | 421 | item := item.prev(IDENT) |
422 | END; |
||
8859 | leency | 423 | IF item.typ = idGUARD THEN |
7693 | akron1 | 424 | item := NIL |
425 | END |
||
426 | ELSE |
||
8859 | leency | 427 | WHILE (item # NIL) & ~IdEq(item.name, ident) DO |
7693 | akron1 | 428 | item := item.prev(IDENT) |
429 | END |
||
7597 | akron1 | 430 | END |
7693 | akron1 | 431 | |
7597 | akron1 | 432 | END |
433 | |||
434 | RETURN item |
||
435 | END getIdent; |
||
436 | |||
437 | |||
7693 | akron1 | 438 | PROCEDURE openScope* (unit: UNIT; proc: PROC): BOOLEAN; |
7597 | akron1 | 439 | VAR |
440 | item: IDENT; |
||
441 | res: BOOLEAN; |
||
442 | |||
443 | BEGIN |
||
444 | INC(unit.scopeLvl); |
||
445 | |||
446 | res := unit.scopeLvl < MAXSCOPE; |
||
447 | |||
448 | IF res THEN |
||
449 | |||
450 | unit.scopes[unit.scopeLvl] := proc; |
||
451 | |||
452 | NEW(item); |
||
453 | item := NewIdent(); |
||
454 | |||
8859 | leency | 455 | item.name.s := ""; |
456 | item.name.hash := 0; |
||
7597 | akron1 | 457 | item.typ := idGUARD; |
458 | |||
459 | LISTS.push(unit.idents, item) |
||
460 | END |
||
461 | |||
462 | RETURN res |
||
463 | END openScope; |
||
464 | |||
465 | |||
8859 | leency | 466 | PROCEDURE closeScope* (unit: UNIT); |
7597 | akron1 | 467 | VAR |
468 | item: IDENT; |
||
469 | del: IDENT; |
||
470 | |||
471 | BEGIN |
||
472 | item := unit.idents.last(IDENT); |
||
473 | |||
474 | WHILE (item # NIL) & (item.typ # idGUARD) DO |
||
475 | del := item; |
||
476 | item := item.prev(IDENT); |
||
477 | IF (del.typ = idVAR) & (del.offset = -1) THEN |
||
7693 | akron1 | 478 | ERRORS.HintMsg(del.name.s, del.pos.line, del.pos.col, 0) |
7597 | akron1 | 479 | END; |
480 | LISTS.delete(unit.idents, del); |
||
481 | C.push(idents, del) |
||
482 | END; |
||
483 | |||
484 | IF (item # NIL) & (item.typ = idGUARD) THEN |
||
485 | LISTS.delete(unit.idents, item); |
||
486 | C.push(idents, item) |
||
487 | END; |
||
488 | |||
489 | DEC(unit.scopeLvl) |
||
490 | END closeScope; |
||
491 | |||
492 | |||
8097 | maxcodehac | 493 | PROCEDURE frwPtr* (unit: UNIT; _type: _TYPE; baseIdent: SCAN.IDENT; pos: SCAN.POSITION); |
7597 | akron1 | 494 | VAR |
495 | newptr: FRWPTR; |
||
496 | |||
497 | BEGIN |
||
498 | ASSERT(unit # NIL); |
||
8097 | maxcodehac | 499 | ASSERT(_type # NIL); |
7597 | akron1 | 500 | |
501 | NEW(newptr); |
||
502 | |||
8097 | maxcodehac | 503 | newptr._type := _type; |
7693 | akron1 | 504 | newptr.baseIdent := baseIdent; |
505 | newptr.pos := pos; |
||
506 | newptr.linked := FALSE; |
||
507 | newptr.notRecord := FALSE; |
||
7597 | akron1 | 508 | |
509 | LISTS.push(unit.frwPointers, newptr) |
||
7693 | akron1 | 510 | END frwPtr; |
7597 | akron1 | 511 | |
512 | |||
7693 | akron1 | 513 | PROCEDURE linkPtr* (unit: UNIT): FRWPTR; |
7597 | akron1 | 514 | VAR |
515 | item: FRWPTR; |
||
516 | ident: IDENT; |
||
517 | res: FRWPTR; |
||
518 | |||
519 | BEGIN |
||
520 | res := NIL; |
||
521 | item := unit.frwPointers.last(FRWPTR); |
||
522 | |||
523 | WHILE (item # NIL) & ~item.linked & (res = NIL) DO |
||
7693 | akron1 | 524 | ident := getIdent(unit, item.baseIdent, TRUE); |
7597 | akron1 | 525 | |
526 | IF (ident # NIL) THEN |
||
8097 | maxcodehac | 527 | IF (ident.typ = idTYPE) & (ident._type.typ = tRECORD) THEN |
528 | item._type.base := ident._type; |
||
7597 | akron1 | 529 | item.linked := TRUE |
530 | ELSE |
||
531 | item.notRecord := TRUE; |
||
532 | res := item |
||
533 | END |
||
534 | ELSE |
||
535 | item.notRecord := FALSE; |
||
536 | res := item |
||
537 | END; |
||
538 | |||
539 | item := item.prev(FRWPTR) |
||
540 | END |
||
541 | |||
542 | RETURN res |
||
7693 | akron1 | 543 | END linkPtr; |
7597 | akron1 | 544 | |
545 | |||
8097 | maxcodehac | 546 | PROCEDURE isTypeEq* (t1, t2: _TYPE): BOOLEAN; |
7597 | akron1 | 547 | VAR |
548 | res: BOOLEAN; |
||
549 | param1, param2: LISTS.ITEM; |
||
550 | |||
551 | BEGIN |
||
552 | IF t1 = t2 THEN |
||
553 | res := TRUE |
||
554 | ELSIF (t1 = NIL) OR (t2 = NIL) THEN |
||
555 | res := FALSE |
||
556 | ELSIF (t1.typ = tPROCEDURE) & (t2.typ = tPROCEDURE) THEN |
||
557 | |||
558 | param1 := t1.params.first; |
||
559 | param2 := t2.params.first; |
||
560 | |||
7693 | akron1 | 561 | res := ((t1.call = t2.call) OR (t1.call IN {code, _code}) OR (t2.call IN {code, _code})) & ((param1 # NIL) = (param2 # NIL)); |
7597 | akron1 | 562 | |
563 | WHILE res & (param1 # NIL) & (param2 # NIL) DO |
||
8097 | maxcodehac | 564 | res := (param1(PARAM).vPar = param2(PARAM).vPar) & isTypeEq(param1(PARAM)._type, param2(PARAM)._type); |
7597 | akron1 | 565 | param1 := param1.next; |
566 | param2 := param2.next; |
||
567 | res := res & ((param1 # NIL) = (param2 # NIL)) |
||
568 | END; |
||
569 | |||
570 | res := res & isTypeEq(t1.base, t2.base) |
||
571 | |||
572 | ELSIF (t1.typ = tARRAY) & (t2.typ = tARRAY) THEN |
||
573 | res := (t1.length = 0) & (t2.length = 0) & isTypeEq(t1.base, t2.base) |
||
574 | ELSE |
||
575 | res := FALSE |
||
576 | END |
||
577 | |||
578 | RETURN res |
||
579 | END isTypeEq; |
||
580 | |||
581 | |||
8097 | maxcodehac | 582 | PROCEDURE isBaseOf* (t0, t1: _TYPE): BOOLEAN; |
7597 | akron1 | 583 | VAR |
584 | res: BOOLEAN; |
||
585 | |||
586 | BEGIN |
||
7693 | akron1 | 587 | res := (t0.typ = t1.typ) & (t0.typ IN {tPOINTER, tRECORD}); |
7597 | akron1 | 588 | |
7693 | akron1 | 589 | IF res & (t0.typ = tPOINTER) THEN |
7597 | akron1 | 590 | t0 := t0.base; |
591 | t1 := t1.base |
||
592 | END; |
||
593 | |||
7693 | akron1 | 594 | IF res THEN |
595 | WHILE (t1 # NIL) & (t1 # t0) DO |
||
596 | t1 := t1.base |
||
597 | END; |
||
598 | res := t1 # NIL |
||
7597 | akron1 | 599 | END |
600 | |||
7693 | akron1 | 601 | RETURN res |
7597 | akron1 | 602 | END isBaseOf; |
603 | |||
604 | |||
8097 | maxcodehac | 605 | PROCEDURE isOpenArray* (t: _TYPE): BOOLEAN; |
7597 | akron1 | 606 | RETURN (t.typ = tARRAY) & (t.length = 0) |
607 | END isOpenArray; |
||
608 | |||
609 | |||
8097 | maxcodehac | 610 | PROCEDURE arrcomp* (src, dst: _TYPE): BOOLEAN; |
7696 | akron1 | 611 | RETURN (dst.typ = tARRAY) & isOpenArray(src) & |
612 | ~isOpenArray(src.base) & ~isOpenArray(dst.base) & |
||
613 | isTypeEq(src.base, dst.base) |
||
614 | END arrcomp; |
||
615 | |||
616 | |||
8859 | leency | 617 | PROCEDURE getUnit* (name: PATHS.PATH): UNIT; |
7597 | akron1 | 618 | VAR |
619 | item: UNIT; |
||
620 | |||
621 | BEGIN |
||
7693 | akron1 | 622 | item := program.units.first(UNIT); |
7597 | akron1 | 623 | |
8859 | leency | 624 | WHILE (item # NIL) & (item.fname # name) DO |
7597 | akron1 | 625 | item := item.next(UNIT) |
626 | END; |
||
627 | |||
8859 | leency | 628 | IF (item = NIL) & ((name = "SYSTEM") OR LowerCase & (name = "system")) THEN |
7693 | akron1 | 629 | item := program.sysunit |
7597 | akron1 | 630 | END |
631 | |||
632 | RETURN item |
||
7693 | akron1 | 633 | END getUnit; |
7597 | akron1 | 634 | |
635 | |||
8097 | maxcodehac | 636 | PROCEDURE enterStTypes (unit: UNIT); |
7597 | akron1 | 637 | |
638 | |||
8859 | leency | 639 | PROCEDURE enter (unit: UNIT; nameStr: SCAN.IDSTR; _type: _TYPE); |
8097 | maxcodehac | 640 | VAR |
641 | ident: IDENT; |
||
8859 | leency | 642 | upper: SCAN.IDSTR; |
643 | name: SCAN.IDENT; |
||
7597 | akron1 | 644 | |
8097 | maxcodehac | 645 | BEGIN |
646 | IF LowerCase THEN |
||
8859 | leency | 647 | SCAN.setIdent(name, nameStr); |
648 | ident := addIdent(unit, name, idTYPE); |
||
8097 | maxcodehac | 649 | ident._type := _type |
650 | END; |
||
8859 | leency | 651 | upper := nameStr; |
8097 | maxcodehac | 652 | STRINGS.UpCase(upper); |
8859 | leency | 653 | SCAN.setIdent(name, upper); |
654 | ident := addIdent(unit, name, idTYPE); |
||
8097 | maxcodehac | 655 | ident._type := _type |
656 | END enter; |
||
7597 | akron1 | 657 | |
658 | |||
8097 | maxcodehac | 659 | BEGIN |
660 | enter(unit, "integer", program.stTypes.tINTEGER); |
||
661 | enter(unit, "byte", program.stTypes.tBYTE); |
||
662 | enter(unit, "char", program.stTypes.tCHAR); |
||
663 | enter(unit, "set", program.stTypes.tSET); |
||
664 | enter(unit, "boolean", program.stTypes.tBOOLEAN); |
||
7597 | akron1 | 665 | |
7983 | leency | 666 | IF TARGETS.RealSize # 0 THEN |
8097 | maxcodehac | 667 | enter(unit, "real", program.stTypes.tREAL) |
7983 | leency | 668 | END; |
7597 | akron1 | 669 | |
7983 | leency | 670 | IF TARGETS.BitDepth >= 32 THEN |
8097 | maxcodehac | 671 | enter(unit, "wchar", program.stTypes.tWCHAR) |
7693 | akron1 | 672 | END |
7597 | akron1 | 673 | END enterStTypes; |
674 | |||
675 | |||
676 | PROCEDURE enterStProcs (unit: UNIT); |
||
677 | |||
678 | |||
8859 | leency | 679 | PROCEDURE Enter (unit: UNIT; nameStr: SCAN.IDSTR; nfunc, tfunc: INTEGER); |
7597 | akron1 | 680 | VAR |
681 | ident: IDENT; |
||
8859 | leency | 682 | upper: SCAN.IDSTR; |
683 | name: SCAN.IDENT; |
||
8097 | maxcodehac | 684 | |
7597 | akron1 | 685 | BEGIN |
8097 | maxcodehac | 686 | IF LowerCase THEN |
8859 | leency | 687 | SCAN.setIdent(name, nameStr); |
688 | ident := addIdent(unit, name, tfunc); |
||
689 | ident.stproc := nfunc; |
||
8097 | maxcodehac | 690 | ident._type := program.stTypes.tNONE |
691 | END; |
||
8859 | leency | 692 | upper := nameStr; |
8097 | maxcodehac | 693 | STRINGS.UpCase(upper); |
8859 | leency | 694 | SCAN.setIdent(name, upper); |
695 | ident := addIdent(unit, name, tfunc); |
||
696 | ident.stproc := nfunc; |
||
8097 | maxcodehac | 697 | ident._type := program.stTypes.tNONE |
8859 | leency | 698 | END Enter; |
7597 | akron1 | 699 | |
700 | |||
701 | BEGIN |
||
8859 | leency | 702 | Enter(unit, "assert", stASSERT, idSTPROC); |
703 | Enter(unit, "dec", stDEC, idSTPROC); |
||
704 | Enter(unit, "excl", stEXCL, idSTPROC); |
||
705 | Enter(unit, "inc", stINC, idSTPROC); |
||
706 | Enter(unit, "incl", stINCL, idSTPROC); |
||
707 | Enter(unit, "new", stNEW, idSTPROC); |
||
708 | Enter(unit, "copy", stCOPY, idSTPROC); |
||
7597 | akron1 | 709 | |
8859 | leency | 710 | Enter(unit, "abs", stABS, idSTFUNC); |
711 | Enter(unit, "asr", stASR, idSTFUNC); |
||
712 | Enter(unit, "chr", stCHR, idSTFUNC); |
||
713 | Enter(unit, "len", stLEN, idSTFUNC); |
||
714 | Enter(unit, "lsl", stLSL, idSTFUNC); |
||
715 | Enter(unit, "odd", stODD, idSTFUNC); |
||
716 | Enter(unit, "ord", stORD, idSTFUNC); |
||
717 | Enter(unit, "ror", stROR, idSTFUNC); |
||
718 | Enter(unit, "bits", stBITS, idSTFUNC); |
||
719 | Enter(unit, "lsr", stLSR, idSTFUNC); |
||
720 | Enter(unit, "length", stLENGTH, idSTFUNC); |
||
721 | Enter(unit, "min", stMIN, idSTFUNC); |
||
722 | Enter(unit, "max", stMAX, idSTFUNC); |
||
7693 | akron1 | 723 | |
7983 | leency | 724 | IF TARGETS.RealSize # 0 THEN |
8859 | leency | 725 | Enter(unit, "pack", stPACK, idSTPROC); |
726 | Enter(unit, "unpk", stUNPK, idSTPROC); |
||
727 | Enter(unit, "floor", stFLOOR, idSTFUNC); |
||
728 | Enter(unit, "flt", stFLT, idSTFUNC) |
||
7983 | leency | 729 | END; |
7693 | akron1 | 730 | |
7983 | leency | 731 | IF TARGETS.BitDepth >= 32 THEN |
8859 | leency | 732 | Enter(unit, "wchr", stWCHR, idSTFUNC) |
7983 | leency | 733 | END; |
734 | |||
735 | IF TARGETS.Dispose THEN |
||
8859 | leency | 736 | Enter(unit, "dispose", stDISPOSE, idSTPROC) |
7693 | akron1 | 737 | END |
738 | |||
7597 | akron1 | 739 | END enterStProcs; |
740 | |||
741 | |||
8097 | maxcodehac | 742 | PROCEDURE newUnit* (name: SCAN.IDENT): UNIT; |
7597 | akron1 | 743 | VAR |
7693 | akron1 | 744 | unit: UNIT; |
7597 | akron1 | 745 | |
746 | BEGIN |
||
747 | NEW(unit); |
||
748 | |||
749 | unit.name := name; |
||
750 | unit.closed := FALSE; |
||
7693 | akron1 | 751 | unit.idents := LISTS.create(NIL); |
7597 | akron1 | 752 | unit.frwPointers := LISTS.create(NIL); |
753 | |||
7693 | akron1 | 754 | ASSERT(openScope(unit, NIL)); |
7597 | akron1 | 755 | |
8097 | maxcodehac | 756 | enterStTypes(unit); |
7597 | akron1 | 757 | enterStProcs(unit); |
758 | |||
7693 | akron1 | 759 | ASSERT(openScope(unit, NIL)); |
7597 | akron1 | 760 | |
761 | unit.gscope := unit.idents.last(IDENT); |
||
762 | |||
7693 | akron1 | 763 | LISTS.push(program.units, unit); |
7597 | akron1 | 764 | |
765 | unit.scopeLvl := 0; |
||
766 | unit.scopes[0] := NIL; |
||
767 | |||
768 | unit.sysimport := FALSE; |
||
769 | |||
7983 | leency | 770 | IF unit.name.s = UTILS.RTL_NAME THEN |
7693 | akron1 | 771 | program.rtl := unit |
7597 | akron1 | 772 | END |
773 | |||
774 | RETURN unit |
||
7693 | akron1 | 775 | END newUnit; |
7597 | akron1 | 776 | |
777 | |||
8097 | maxcodehac | 778 | PROCEDURE getField* (self: _TYPE; name: SCAN.IDENT; unit: UNIT): FIELD; |
7597 | akron1 | 779 | VAR |
7693 | akron1 | 780 | field: FIELD; |
7597 | akron1 | 781 | |
782 | BEGIN |
||
783 | ASSERT(self # NIL); |
||
784 | ASSERT(unit # NIL); |
||
785 | |||
786 | field := NIL; |
||
787 | WHILE (self # NIL) & (field = NIL) DO |
||
788 | |||
789 | field := self.fields.first(FIELD); |
||
790 | |||
8859 | leency | 791 | WHILE (field # NIL) & ~IdEq(field.name, name) DO |
7597 | akron1 | 792 | field := field.next(FIELD) |
793 | END; |
||
794 | |||
795 | IF field = NIL THEN |
||
796 | self := self.base |
||
797 | END |
||
798 | |||
799 | END; |
||
800 | |||
801 | IF (field # NIL) & (self.unit # unit) & ~field.export THEN |
||
802 | field := NIL |
||
803 | END |
||
804 | |||
805 | RETURN field |
||
806 | END getField; |
||
807 | |||
808 | |||
8097 | maxcodehac | 809 | PROCEDURE addField* (self: _TYPE; name: SCAN.IDENT; export: BOOLEAN): BOOLEAN; |
7597 | akron1 | 810 | VAR |
7693 | akron1 | 811 | field: FIELD; |
812 | res: BOOLEAN; |
||
7597 | akron1 | 813 | |
814 | BEGIN |
||
815 | res := getField(self, name, self.unit) = NIL; |
||
816 | |||
817 | IF res THEN |
||
818 | NEW(field); |
||
819 | |||
820 | field.name := name; |
||
821 | field.export := export; |
||
8097 | maxcodehac | 822 | field._type := NIL; |
7597 | akron1 | 823 | field.offset := self.size; |
824 | |||
825 | LISTS.push(self.fields, field) |
||
826 | END |
||
827 | |||
828 | RETURN res |
||
829 | END addField; |
||
830 | |||
831 | |||
8097 | maxcodehac | 832 | PROCEDURE setFields* (self: _TYPE; _type: _TYPE): BOOLEAN; |
7597 | akron1 | 833 | VAR |
834 | item: FIELD; |
||
835 | res: BOOLEAN; |
||
836 | |||
837 | BEGIN |
||
8097 | maxcodehac | 838 | ASSERT(_type # NIL); |
7597 | akron1 | 839 | |
840 | item := self.fields.first(FIELD); |
||
841 | |||
8097 | maxcodehac | 842 | WHILE (item # NIL) & (item._type # NIL) DO |
7597 | akron1 | 843 | item := item.next(FIELD) |
844 | END; |
||
845 | |||
846 | res := TRUE; |
||
847 | |||
8097 | maxcodehac | 848 | WHILE res & (item # NIL) & (item._type = NIL) DO |
849 | item._type := _type; |
||
7597 | akron1 | 850 | IF ~self.noalign THEN |
8097 | maxcodehac | 851 | res := UTILS.Align(self.size, _type.align) |
7597 | akron1 | 852 | ELSE |
853 | res := TRUE |
||
854 | END; |
||
855 | item.offset := self.size; |
||
8097 | maxcodehac | 856 | res := res & (UTILS.maxint - self.size >= _type.size); |
7597 | akron1 | 857 | IF res THEN |
8097 | maxcodehac | 858 | INC(self.size, _type.size) |
7597 | akron1 | 859 | END; |
860 | item := item.next(FIELD) |
||
861 | END |
||
862 | |||
863 | RETURN res |
||
864 | END setFields; |
||
865 | |||
866 | |||
8097 | maxcodehac | 867 | PROCEDURE getParam* (self: _TYPE; name: SCAN.IDENT): PARAM; |
7597 | akron1 | 868 | VAR |
7693 | akron1 | 869 | item: PARAM; |
7597 | akron1 | 870 | |
871 | BEGIN |
||
872 | item := self.params.first(PARAM); |
||
873 | |||
8859 | leency | 874 | WHILE (item # NIL) & ~IdEq(item.name, name) DO |
7597 | akron1 | 875 | item := item.next(PARAM) |
876 | END |
||
877 | |||
878 | RETURN item |
||
879 | END getParam; |
||
880 | |||
881 | |||
8097 | maxcodehac | 882 | PROCEDURE addParam* (self: _TYPE; name: SCAN.IDENT; vPar: BOOLEAN): BOOLEAN; |
7597 | akron1 | 883 | VAR |
7693 | akron1 | 884 | param: PARAM; |
885 | res: BOOLEAN; |
||
7597 | akron1 | 886 | |
887 | BEGIN |
||
7693 | akron1 | 888 | res := getParam(self, name) = NIL; |
7597 | akron1 | 889 | |
890 | IF res THEN |
||
891 | NEW(param); |
||
892 | |||
8097 | maxcodehac | 893 | param.name := name; |
894 | param._type := NIL; |
||
895 | param.vPar := vPar; |
||
7597 | akron1 | 896 | |
897 | LISTS.push(self.params, param) |
||
898 | END |
||
899 | |||
900 | RETURN res |
||
901 | END addParam; |
||
902 | |||
903 | |||
8097 | maxcodehac | 904 | PROCEDURE Dim* (t: _TYPE): INTEGER; |
7597 | akron1 | 905 | VAR |
906 | res: INTEGER; |
||
907 | |||
908 | BEGIN |
||
909 | res := 0; |
||
910 | WHILE isOpenArray(t) DO |
||
911 | t := t.base; |
||
912 | INC(res) |
||
913 | END |
||
914 | RETURN res |
||
915 | END Dim; |
||
916 | |||
917 | |||
8097 | maxcodehac | 918 | PROCEDURE OpenBase* (t: _TYPE): _TYPE; |
7597 | akron1 | 919 | BEGIN |
920 | WHILE isOpenArray(t) DO t := t.base END |
||
921 | RETURN t |
||
922 | END OpenBase; |
||
923 | |||
924 | |||
8097 | maxcodehac | 925 | PROCEDURE getFloatParamsPos* (self: _TYPE; maxoffs: INTEGER; VAR int, flt: INTEGER): SET; |
7597 | akron1 | 926 | VAR |
927 | res: SET; |
||
928 | param: PARAM; |
||
929 | |||
930 | BEGIN |
||
931 | res := {}; |
||
932 | int := 0; |
||
933 | flt := 0; |
||
934 | param := self.params.first(PARAM); |
||
935 | WHILE (param # NIL) & (param.offset <= maxoffs + STACK_FRAME) DO |
||
8097 | maxcodehac | 936 | IF ~param.vPar & (param._type.typ = tREAL) THEN |
7597 | akron1 | 937 | INCL(res, param.offset - STACK_FRAME); |
938 | INC(flt) |
||
939 | END; |
||
940 | param := param.next(PARAM) |
||
941 | END; |
||
942 | |||
7693 | akron1 | 943 | int := self.parSize - flt |
7597 | akron1 | 944 | |
945 | RETURN res |
||
946 | END getFloatParamsPos; |
||
947 | |||
948 | |||
8097 | maxcodehac | 949 | PROCEDURE setParams* (self: _TYPE; _type: _TYPE); |
7597 | akron1 | 950 | VAR |
951 | item: LISTS.ITEM; |
||
952 | param: PARAM; |
||
953 | word, size: INTEGER; |
||
954 | |||
955 | BEGIN |
||
8097 | maxcodehac | 956 | ASSERT(_type # NIL); |
7597 | akron1 | 957 | |
7693 | akron1 | 958 | word := UTILS.target.bit_depth DIV 8; |
7597 | akron1 | 959 | |
960 | item := self.params.first; |
||
961 | |||
8097 | maxcodehac | 962 | WHILE (item # NIL) & (item(PARAM)._type # NIL) DO |
7597 | akron1 | 963 | item := item.next |
964 | END; |
||
965 | |||
8097 | maxcodehac | 966 | WHILE (item # NIL) & (item(PARAM)._type = NIL) DO |
7597 | akron1 | 967 | param := item(PARAM); |
8097 | maxcodehac | 968 | param._type := _type; |
7597 | akron1 | 969 | IF param.vPar THEN |
8097 | maxcodehac | 970 | IF _type.typ = tRECORD THEN |
7597 | akron1 | 971 | size := 2 |
8097 | maxcodehac | 972 | ELSIF isOpenArray(_type) THEN |
973 | size := Dim(_type) + 1 |
||
7597 | akron1 | 974 | ELSE |
975 | size := 1 |
||
976 | END; |
||
8097 | maxcodehac | 977 | param.offset := self.parSize + ORD(_type.typ = tRECORD) + Dim(_type) + STACK_FRAME; |
7693 | akron1 | 978 | INC(self.parSize, size) |
7597 | akron1 | 979 | ELSE |
8097 | maxcodehac | 980 | IF _type.typ IN {tRECORD, tARRAY} THEN |
981 | IF isOpenArray(_type) THEN |
||
982 | size := Dim(_type) + 1 |
||
7597 | akron1 | 983 | ELSE |
984 | size := 1 |
||
985 | END |
||
986 | ELSE |
||
8097 | maxcodehac | 987 | size := _type.size; |
7693 | akron1 | 988 | ASSERT(UTILS.Align(size, word)); |
7597 | akron1 | 989 | size := size DIV word |
990 | END; |
||
8097 | maxcodehac | 991 | param.offset := self.parSize + Dim(_type) + STACK_FRAME; |
7693 | akron1 | 992 | INC(self.parSize, size) |
7597 | akron1 | 993 | END; |
994 | |||
995 | item := item.next |
||
996 | END |
||
997 | |||
998 | END setParams; |
||
999 | |||
1000 | |||
8097 | maxcodehac | 1001 | PROCEDURE enterType* (typ, size, length: INTEGER; unit: UNIT): _TYPE; |
7597 | akron1 | 1002 | VAR |
8097 | maxcodehac | 1003 | t: _TYPE; |
7597 | akron1 | 1004 | |
1005 | BEGIN |
||
1006 | NEW(t); |
||
1007 | |||
1008 | t.typ := typ; |
||
1009 | t.size := size; |
||
1010 | t.length := length; |
||
1011 | t.align := 0; |
||
1012 | t.base := NIL; |
||
7693 | akron1 | 1013 | t.fields := LISTS.create(NIL); |
1014 | t.params := LISTS.create(NIL); |
||
7597 | akron1 | 1015 | t.unit := unit; |
1016 | t.num := 0; |
||
7693 | akron1 | 1017 | |
7983 | leency | 1018 | CASE TARGETS.BitDepth OF |
7693 | akron1 | 1019 | |16: t.call := default16 |
1020 | |32: t.call := default32 |
||
1021 | |64: t.call := default64 |
||
7597 | akron1 | 1022 | END; |
7693 | akron1 | 1023 | |
8097 | maxcodehac | 1024 | t._import := FALSE; |
7597 | akron1 | 1025 | t.noalign := FALSE; |
7693 | akron1 | 1026 | t.parSize := 0; |
7597 | akron1 | 1027 | |
1028 | IF typ IN {tARRAY, tRECORD} THEN |
||
1029 | t.closed := FALSE; |
||
1030 | IF typ = tRECORD THEN |
||
1031 | INC(program.recCount); |
||
1032 | t.num := program.recCount |
||
1033 | END |
||
1034 | ELSE |
||
1035 | t.closed := TRUE |
||
1036 | END; |
||
1037 | |||
1038 | LISTS.push(program.types, t) |
||
1039 | |||
1040 | RETURN t |
||
1041 | END enterType; |
||
1042 | |||
1043 | |||
8097 | maxcodehac | 1044 | PROCEDURE getType* (typ: INTEGER): _TYPE; |
7597 | akron1 | 1045 | VAR |
8097 | maxcodehac | 1046 | res: _TYPE; |
7597 | akron1 | 1047 | |
1048 | BEGIN |
||
1049 | |||
7696 | akron1 | 1050 | CASE typ OF |
1051 | |ARITH.tINTEGER: res := program.stTypes.tINTEGER |
||
1052 | |ARITH.tREAL: res := program.stTypes.tREAL |
||
1053 | |ARITH.tSET: res := program.stTypes.tSET |
||
1054 | |ARITH.tBOOLEAN: res := program.stTypes.tBOOLEAN |
||
1055 | |ARITH.tCHAR: res := program.stTypes.tCHAR |
||
1056 | |ARITH.tWCHAR: res := program.stTypes.tWCHAR |
||
1057 | |ARITH.tSTRING: res := program.stTypes.tSTRING |
||
1058 | END |
||
7597 | akron1 | 1059 | |
1060 | RETURN res |
||
1061 | END getType; |
||
1062 | |||
1063 | |||
8097 | maxcodehac | 1064 | PROCEDURE createSysUnit; |
7597 | akron1 | 1065 | VAR |
1066 | ident: IDENT; |
||
1067 | unit: UNIT; |
||
8859 | leency | 1068 | name: SCAN.IDENT; |
7597 | akron1 | 1069 | |
1070 | |||
8859 | leency | 1071 | PROCEDURE EnterProc (sys: UNIT; nameStr: SCAN.IDSTR; idtyp, proc: INTEGER); |
7597 | akron1 | 1072 | VAR |
1073 | ident: IDENT; |
||
8859 | leency | 1074 | upper: SCAN.IDSTR; |
1075 | name: SCAN.IDENT; |
||
8097 | maxcodehac | 1076 | |
7597 | akron1 | 1077 | BEGIN |
8097 | maxcodehac | 1078 | IF LowerCase THEN |
8859 | leency | 1079 | SCAN.setIdent(name, nameStr); |
1080 | ident := addIdent(sys, name, idtyp); |
||
8097 | maxcodehac | 1081 | ident.stproc := proc; |
1082 | ident._type := program.stTypes.tNONE; |
||
1083 | ident.export := TRUE |
||
1084 | END; |
||
8859 | leency | 1085 | upper := nameStr; |
8097 | maxcodehac | 1086 | STRINGS.UpCase(upper); |
8859 | leency | 1087 | SCAN.setIdent(name, upper); |
1088 | ident := addIdent(sys, name, idtyp); |
||
7597 | akron1 | 1089 | ident.stproc := proc; |
8097 | maxcodehac | 1090 | ident._type := program.stTypes.tNONE; |
7597 | akron1 | 1091 | ident.export := TRUE |
1092 | END EnterProc; |
||
1093 | |||
1094 | |||
1095 | BEGIN |
||
8859 | leency | 1096 | SCAN.setIdent(name, "$SYSTEM"); |
1097 | unit := newUnit(name); |
||
1098 | unit.fname := "SYSTEM"; |
||
7597 | akron1 | 1099 | |
8097 | maxcodehac | 1100 | EnterProc(unit, "adr", idSYSFUNC, sysADR); |
1101 | EnterProc(unit, "size", idSYSFUNC, sysSIZE); |
||
1102 | EnterProc(unit, "sadr", idSYSFUNC, sysSADR); |
||
1103 | EnterProc(unit, "typeid", idSYSFUNC, sysTYPEID); |
||
7597 | akron1 | 1104 | |
8097 | maxcodehac | 1105 | EnterProc(unit, "get", idSYSPROC, sysGET); |
1106 | EnterProc(unit, "get8", idSYSPROC, sysGET8); |
||
1107 | EnterProc(unit, "put", idSYSPROC, sysPUT); |
||
1108 | EnterProc(unit, "put8", idSYSPROC, sysPUT8); |
||
1109 | EnterProc(unit, "code", idSYSPROC, sysCODE); |
||
1110 | EnterProc(unit, "move", idSYSPROC, sysMOVE); |
||
7693 | akron1 | 1111 | (* |
1112 | IF program.target.sys = mConst.Target_iMSP430 THEN |
||
8097 | maxcodehac | 1113 | EnterProc(unit, "nop", idSYSPROC, sysNOP); |
1114 | EnterProc(unit, "eint", idSYSPROC, sysEINT); |
||
1115 | EnterProc(unit, "dint", idSYSPROC, sysDINT) |
||
7693 | akron1 | 1116 | END; |
1117 | *) |
||
7983 | leency | 1118 | IF TARGETS.RealSize # 0 THEN |
8097 | maxcodehac | 1119 | EnterProc(unit, "inf", idSYSFUNC, sysINF); |
7983 | leency | 1120 | END; |
1121 | |||
1122 | IF TARGETS.CPU IN {TARGETS.cpuX86, TARGETS.cpuAMD64} THEN |
||
8097 | maxcodehac | 1123 | EnterProc(unit, "copy", idSYSPROC, sysCOPY) |
7983 | leency | 1124 | END; |
1125 | |||
1126 | IF TARGETS.BitDepth >= 32 THEN |
||
8097 | maxcodehac | 1127 | EnterProc(unit, "wsadr", idSYSFUNC, sysWSADR); |
1128 | EnterProc(unit, "put16", idSYSPROC, sysPUT16); |
||
1129 | EnterProc(unit, "put32", idSYSPROC, sysPUT32); |
||
1130 | EnterProc(unit, "get16", idSYSPROC, sysGET16); |
||
1131 | EnterProc(unit, "get32", idSYSPROC, sysGET32); |
||
7597 | akron1 | 1132 | |
8097 | maxcodehac | 1133 | IF LowerCase THEN |
8859 | leency | 1134 | SCAN.setIdent(name, "card32"); |
1135 | ident := addIdent(unit, name, idTYPE); |
||
8097 | maxcodehac | 1136 | ident._type := program.stTypes.tCARD32; |
1137 | ident.export := TRUE |
||
1138 | END; |
||
8859 | leency | 1139 | SCAN.setIdent(name, "CARD32"); |
1140 | ident := addIdent(unit, name, idTYPE); |
||
8097 | maxcodehac | 1141 | ident._type := program.stTypes.tCARD32; |
1142 | ident.export := TRUE; |
||
7693 | akron1 | 1143 | END; |
7597 | akron1 | 1144 | |
7693 | akron1 | 1145 | closeUnit(unit); |
7597 | akron1 | 1146 | |
1147 | program.sysunit := unit |
||
1148 | END createSysUnit; |
||
1149 | |||
1150 | |||
8097 | maxcodehac | 1151 | PROCEDURE DelUnused* (DelImport: DELIMPORT); |
7597 | akron1 | 1152 | VAR |
7693 | akron1 | 1153 | proc: PROC; |
1154 | flag: BOOLEAN; |
||
7597 | akron1 | 1155 | |
1156 | |||
1157 | PROCEDURE process (proc: PROC); |
||
1158 | VAR |
||
1159 | used_proc: LISTS.ITEM; |
||
1160 | |||
1161 | BEGIN |
||
1162 | proc.processed := TRUE; |
||
1163 | |||
1164 | used_proc := proc.using.first; |
||
1165 | WHILE used_proc # NIL DO |
||
1166 | used_proc(USED_PROC).proc.used := TRUE; |
||
1167 | used_proc := used_proc.next |
||
1168 | END |
||
1169 | |||
1170 | END process; |
||
1171 | |||
1172 | |||
1173 | BEGIN |
||
1174 | |||
1175 | REPEAT |
||
1176 | flag := FALSE; |
||
1177 | proc := program.procs.first(PROC); |
||
1178 | |||
1179 | WHILE proc # NIL DO |
||
1180 | IF proc.used & ~proc.processed THEN |
||
1181 | process(proc); |
||
1182 | flag := TRUE |
||
1183 | END; |
||
1184 | proc := proc.next(PROC) |
||
1185 | END |
||
1186 | |||
1187 | UNTIL ~flag; |
||
1188 | |||
1189 | proc := program.procs.first(PROC); |
||
1190 | |||
1191 | WHILE proc # NIL DO |
||
1192 | IF ~proc.used THEN |
||
8097 | maxcodehac | 1193 | IF proc._import = NIL THEN |
7693 | akron1 | 1194 | IL.delete2(proc.enter, proc.leave) |
7597 | akron1 | 1195 | ELSE |
8097 | maxcodehac | 1196 | DelImport(proc._import) |
7597 | akron1 | 1197 | END |
1198 | END; |
||
1199 | proc := proc.next(PROC) |
||
1200 | END |
||
1201 | |||
1202 | END DelUnused; |
||
1203 | |||
1204 | |||
8097 | maxcodehac | 1205 | PROCEDURE ResetLocSize*; |
1206 | BEGIN |
||
1207 | program.locsize := 0 |
||
1208 | END ResetLocSize; |
||
7597 | akron1 | 1209 | |
8097 | maxcodehac | 1210 | |
1211 | PROCEDURE create* (options: OPTIONS); |
||
7597 | akron1 | 1212 | BEGIN |
8097 | maxcodehac | 1213 | LowerCase := options.lower; |
1214 | SCAN.init(options.lower); |
||
7597 | akron1 | 1215 | idents := C.create(); |
1216 | |||
7983 | leency | 1217 | UTILS.SetBitDepth(TARGETS.BitDepth, TARGETS.RealSize = 8); |
7597 | akron1 | 1218 | |
7983 | leency | 1219 | program.options := options; |
7597 | akron1 | 1220 | |
7983 | leency | 1221 | CASE TARGETS.OS OF |
8859 | leency | 1222 | |TARGETS.osWIN32: program.sysflags := {sf_oberon, sf_windows, sf_stdcall, sf_cdecl, sf_ccall, sf_noalign} |
1223 | |TARGETS.osLINUX32: program.sysflags := {sf_oberon, sf_linux, sf_stdcall, sf_cdecl, sf_ccall, sf_noalign} |
||
1224 | |TARGETS.osKOS: program.sysflags := {sf_oberon, sf_stdcall, sf_cdecl, sf_ccall, sf_noalign} |
||
1225 | |TARGETS.osWIN64: program.sysflags := {sf_oberon, sf_windows, sf_win64, sf_systemv, sf_ccall, sf_noalign} |
||
1226 | |TARGETS.osLINUX64: program.sysflags := {sf_oberon, sf_linux, sf_win64, sf_systemv, sf_ccall, sf_noalign} |
||
7983 | leency | 1227 | |TARGETS.osNONE: program.sysflags := {sf_code} |
7693 | akron1 | 1228 | END; |
1229 | |||
7597 | akron1 | 1230 | program.recCount := -1; |
1231 | program.bss := 0; |
||
1232 | |||
7693 | akron1 | 1233 | program.units := LISTS.create(NIL); |
7597 | akron1 | 1234 | program.types := LISTS.create(NIL); |
1235 | program.procs := LISTS.create(NIL); |
||
1236 | |||
8097 | maxcodehac | 1237 | program.stTypes.tINTEGER := enterType(tINTEGER, TARGETS.WordSize, 0, NIL); |
1238 | program.stTypes.tBYTE := enterType(tBYTE, 1, 0, NIL); |
||
1239 | program.stTypes.tCHAR := enterType(tCHAR, 1, 0, NIL); |
||
1240 | program.stTypes.tSET := enterType(tSET, TARGETS.WordSize, 0, NIL); |
||
1241 | program.stTypes.tBOOLEAN := enterType(tBOOLEAN, 1, 0, NIL); |
||
7693 | akron1 | 1242 | |
7983 | leency | 1243 | program.stTypes.tINTEGER.align := TARGETS.WordSize; |
1244 | program.stTypes.tBYTE.align := 1; |
||
1245 | program.stTypes.tCHAR.align := 1; |
||
1246 | program.stTypes.tSET.align := TARGETS.WordSize; |
||
1247 | program.stTypes.tBOOLEAN.align := 1; |
||
1248 | |||
1249 | IF TARGETS.BitDepth >= 32 THEN |
||
8097 | maxcodehac | 1250 | program.stTypes.tWCHAR := enterType(tWCHAR, 2, 0, NIL); |
1251 | program.stTypes.tCARD32 := enterType(tCARD32, 4, 0, NIL); |
||
7983 | leency | 1252 | program.stTypes.tWCHAR.align := 2; |
1253 | program.stTypes.tCARD32.align := 4 |
||
7693 | akron1 | 1254 | END; |
1255 | |||
7983 | leency | 1256 | IF TARGETS.RealSize # 0 THEN |
8097 | maxcodehac | 1257 | program.stTypes.tREAL := enterType(tREAL, TARGETS.RealSize, 0, NIL); |
7983 | leency | 1258 | program.stTypes.tREAL.align := TARGETS.RealSize |
1259 | END; |
||
7693 | akron1 | 1260 | |
8097 | maxcodehac | 1261 | program.stTypes.tSTRING := enterType(tSTRING, TARGETS.WordSize, 0, NIL); |
1262 | program.stTypes.tNIL := enterType(tNIL, TARGETS.WordSize, 0, NIL); |
||
1263 | program.stTypes.tNONE := enterType(tNONE, 0, 0, NIL); |
||
1264 | program.stTypes.tANYREC := enterType(tRECORD, 0, 0, NIL); |
||
7597 | akron1 | 1265 | program.stTypes.tANYREC.closed := TRUE; |
1266 | |||
8097 | maxcodehac | 1267 | createSysUnit |
7597 | akron1 | 1268 | END create; |
1269 | |||
1270 | |||
7983 | leency | 1271 | END PROG.=>> |