1 /*-------------------------------------------------------------------------
2 SDCCsymt.h - Header file for Symbols table related structures and MACRO's.
3 Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 2, or (at your option) any
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 In other words, you are welcome to use, share and improve this program.
20 You are forbidden to forbid anyone else to use, share and improve
21 what you give them. Help stamp out software-hoarding!
22 -------------------------------------------------------------------------*/
27 #define MAX_NEST_LEVEL 256
28 #define SDCC_SYMNAME_MAX 64
29 #define SDCC_NAME_MAX 3*SDCC_SYMNAME_MAX // big enough for _<func>_<var>_etc
30 #include "SDCChasht.h"
31 #include "SDCCglobl.h"
33 #define INTNO_MAX 255 /* maximum allowed interrupt number */
34 #define INTNO_UNSPEC (INTNO_MAX+1) /* interrupt number unspecified */
60 // values for first byte of generic pointer.
64 #define GPTYPE_XSTACK 3
65 #define GPTYPE_GPTR 4 // Never used?
66 #define GPTYPE_IDATA 5
68 #define HASHTAB_SIZE 256
70 /* hash table bucket */
73 void *sym; /* pointer to the object */
74 char name[SDCC_NAME_MAX + 1]; /* name of this symbol */
75 int level; /* nest level for this symbol */
76 int block; /* belongs to which block */
77 struct bucket *prev; /* ptr 2 previous bucket */
78 struct bucket *next; /* ptr 2 next bucket */
82 typedef struct structdef
84 char tag[SDCC_NAME_MAX + 1]; /* tag part of structure */
85 unsigned char level; /* Nesting level */
86 struct symbol *fields; /* pointer to fields */
87 unsigned size; /* sizeof the table in bytes */
91 /* noun definitions */
127 /* specifier is the last in the type-chain */
128 typedef struct specifier
130 NOUN noun; /* CHAR INT STRUCTURE LABEL */
131 STORAGE_CLASS sclass; /* REGISTER,AUTO,FIX,CONSTANT */
132 struct memmap *oclass; /* output storage class */
133 unsigned _long:1; /* 1=long */
134 unsigned _short:1; /* 1=short int */
135 unsigned _unsigned:1; /* 1=unsigned, 0=signed */
136 unsigned _signed:1; /* just for sanity checks only*/
137 unsigned _static:1; /* 1=static keyword found */
138 unsigned _extern:1; /* 1=extern found */
139 unsigned _absadr:1; /* absolute address specfied */
140 unsigned _volatile:1; /* is marked as volatile */
141 unsigned _const:1; /* is a constant */
142 unsigned _typedef:1; /* is typedefed */
143 unsigned _isregparm:1; /* is the first parameter */
144 unsigned _isenum:1; /* is an enumerated type */
145 unsigned _addr; /* address of symbol */
146 unsigned _stack; /* stack offset for stacked v */
147 unsigned _bitStart; /* bit start position */
148 int _bitLength; /* bit length */
149 int argreg; /* reg no for regparm */
151 { /* Values if constant or enum */
152 TYPE_WORD v_int; /* 2 bytes: int and char values */
153 char *v_char; /* character string */
154 TYPE_UWORD v_uint; /* 2 bytes: unsigned int const value */
155 TYPE_DWORD v_long; /* 4 bytes: long constant value */
156 TYPE_UDWORD v_ulong; /* 4 bytes: unsigned long constant val */
157 double v_float; /* floating point constant value */
158 struct symbol *v_enum; /* ptr 2 enum_list if enum==1 */
161 struct structdef *v_struct; /* structure pointer */
165 /* types of declarators */
168 POINTER = 0, /* pointer to near data */
169 FPOINTER, /* pointer to far data */
170 CPOINTER, /* pointer to code space */
171 GPOINTER, /* _generic pointer */
172 PPOINTER, /* paged area pointer */
173 IPOINTER, /* pointer to upper 128 bytes */
174 UPOINTER, /* unknown pointer used only when parsing */
175 EEPPOINTER, /* pointer to eeprom */
181 typedef struct declarator
183 DECLARATOR_TYPE dcl_type; /* POINTER,ARRAY or FUNCTION */
184 unsigned int num_elem; /* # of elems if type==array */
185 unsigned ptr_const:1; /* pointer is constant */
186 unsigned ptr_volatile:1; /* pointer is volatile */
187 struct sym_link *tspec; /* pointer type specifier */
195 #define DECLSPEC2TXT(select) (select==DECLARATOR?"DECLARATOR":select==SPECIFIER?"SPECIFIER":"UNKNOW")
197 typedef struct sym_link
199 SYM_LINK_CLASS class; /* DECLARATOR or SPECIFIER */
200 unsigned tdef:1; /* current link created by */
201 /* typedef if this flag is set */
204 specifier s; /* if CLASS == SPECIFIER */
205 declarator d; /* if CLASS == DECLARATOR */
208 /* function attributes */
210 struct value *args; /* the defined arguments */
211 unsigned hasVargs:1; /* functions has varargs */
212 unsigned calleeSaves:1; /* functions uses callee save */
213 unsigned hasbody:1; /* function body defined */
214 unsigned hasFcall:1; /* does it call other functions */
215 unsigned reent:1; /* function is reentrant */
216 unsigned naked:1; /* naked function */
218 unsigned nonbanked:1; /* function has the nonbanked attribute */
219 unsigned banked:1; /* function has the banked attribute */
220 unsigned critical:1; /* critical function */
221 unsigned intrtn:1; /* this is an interrupt routin */
222 unsigned rbank:1; /* seperate register bank */
223 unsigned intno; /* 1=Interrupt svc routine */
224 unsigned regbank; /* register bank 2b used */
225 unsigned builtin; /* is a builtin function */
226 unsigned javaNative; /* is a JavaNative Function (TININative ONLY) */
227 unsigned overlay; /* force parameters & locals into overlay segment */
228 unsigned hasStackParms; /* function has parameters on stack */
231 struct sym_link *next; /* next element on the chain */
235 typedef struct symbol
237 char name[SDCC_SYMNAME_MAX + 1]; /* Input Variable Name */
238 char rname[SDCC_NAME_MAX + 1]; /* internal name */
240 short level; /* declration lev,fld offset */
241 short block; /* sequential block # of defintion */
243 unsigned implicit:1; /* implicit flag */
244 unsigned undefined:1; /* undefined variable */
245 unsigned _isparm:1; /* is a parameter */
246 unsigned ismyparm:1; /* is parameter of the function being generated */
247 unsigned isitmp:1; /* is an intermediate temp */
248 unsigned islbl:1; /* is a temporary label */
249 unsigned isref:1; /* has been referenced */
250 unsigned isind:1; /* is a induction variable */
251 unsigned isinvariant:1; /* is a loop invariant */
252 unsigned cdef:1; /* compiler defined symbol */
253 unsigned addrtaken:1; /* address of the symbol was taken */
254 unsigned isreqv:1; /* is the register quivalent of a symbol */
255 unsigned udChked:1; /* use def checking has been already done */
257 /* following flags are used by the backend
258 for code generation and can be changed
259 if a better scheme for backend is thought of */
260 unsigned isLiveFcall:1; /* is live at or across a function call */
261 unsigned isspilt:1; /* has to be spilt */
262 unsigned spillA:1; /* spilt be register allocator */
263 unsigned remat:1; /* can be remateriazed */
264 unsigned isptr:1; /* is a pointer */
265 unsigned uptr:1; /* used as a pointer */
266 unsigned isFree:1; /* used by register allocator */
267 unsigned islocal:1; /* is a local variable */
268 unsigned blockSpil:1; /* spilt at block level */
269 unsigned remainSpil:1; /* spilt because not used in remainder */
270 unsigned stackSpil:1; /* has been spilt on temp stack location */
271 unsigned onStack:1; /* this symbol allocated on the stack */
272 unsigned iaccess:1; /* indirect access */
273 unsigned ruonly:1; /* used in return statement only */
274 unsigned spildir:1; /* spilt in direct space */
275 unsigned ptrreg:1; /* this symbol assigned to a ptr reg */
276 unsigned noSpilLoc:1; /* cannot be assigned a spil location */
277 unsigned isstrlit; /* is a string literal and it's usage count */
278 unsigned accuse; /* can be left in the accumulator
279 On the Z80 accuse is devided into
280 ACCUSE_A and ACCUSE_HL as the idea
283 unsigned dptr; /* 8051 variants with multiple DPTRS
284 currently implemented in DS390 only
286 int allocreq ; /* allocation is required for this variable */
287 int stack; /* offset on stack */
288 int xstack; /* offset on xternal stack */
289 short nRegs; /* number of registers required */
290 short regType; /* type of register required */
292 struct regs *regs[4]; /* can have at the most 4 registers */
293 struct asmop *aop; /* asmoperand for this symbol */
294 struct iCode *fuse; /* furthest use */
295 struct iCode *rematiCode; /* rematerialse with which instruction */
296 struct operand *reqv; /* register equivalent of a local variable */
299 struct symbol *spillLoc; /* register spil location */
300 struct set *itmpStack; /* symbols spilt @ this stack location */
303 short bitVar; /* this is a bit variable */
304 unsigned offset; /* offset from top if struct */
306 int lineDef; /* defined line number */
307 int lastLine; /* for functions the last line */
308 struct sym_link *type; /* 1st link to declator chain */
309 struct sym_link *etype; /* last link to declarator chn */
310 struct symbol *next; /* crosslink to next symbol */
311 struct symbol *localof; /* local variable of which function */
312 struct initList *ival; /* ptr to initializer if any */
313 struct bitVect *defs; /* bit vector for definitions */
314 struct bitVect *uses; /* bit vector for uses */
315 struct bitVect *regsUsed; /* for functions registers used */
316 int liveFrom; /* live from iCode sequence number */
317 int liveTo; /* live to sequence number */
318 int used; /* no. of times this was used */
319 int recvSize; /* size of first argument */
320 struct bitVect *clashes; /* overlaps with what other symbols */
324 extern sym_link *validateLink(sym_link *l,
330 /* Easy Access Macros */
331 #define DCL_TYPE(l) validateLink(l, "DCL_TYPE", #l, DECLARATOR, __FILE__, __LINE__)->select.d.dcl_type
332 #define DCL_ELEM(l) validateLink(l, "DCL_ELEM", #l, DECLARATOR, __FILE__, __LINE__)->select.d.num_elem
333 #define DCL_PTR_CONST(l) validateLink(l, "DCL_PTR_CONST", #l, DECLARATOR, __FILE__, __LINE__)->select.d.ptr_const
334 #define DCL_PTR_VOLATILE(l) validateLink(l, "DCL_PTR_VOLATILE", #l, DECLARATOR, __FILE__, __LINE__)->select.d.ptr_volatile
335 #define DCL_TSPEC(l) validateLink(l, "DCL_TSPEC", #l, DECLARATOR, __FILE__, __LINE__)->select.d.tspec
337 #define FUNC_DEBUG //assert(IS_FUNC(x));
338 #define FUNC_HASVARARGS(x) (x->funcAttrs.hasVargs)
339 #define IFFUNC_HASVARARGS(x) (IS_FUNC(x) && FUNC_HASVARARGS(x))
340 #define FUNC_ARGS(x) (x->funcAttrs.args)
341 #define IFFUNC_ARGS(x) (IS_FUNC(x) && FUNC_ARGS(x))
342 #define FUNC_HASFCALL(x) (x->funcAttrs.hasFcall)
343 #define IFFUNC_HASFCALL(x) (IS_FUNC(x) && FUNC_HASFCALL(x))
344 #define FUNC_HASBODY(x) (x->funcAttrs.hasbody)
345 #define IFFUNC_HASBODY(x) (IS_FUNC(x) && FUNC_HASBODY(x))
346 #define FUNC_CALLEESAVES(x) (x->funcAttrs.calleeSaves)
347 #define IFFUNC_CALLEESAVES(x) (IS_FUNC(x) && FUNC_CALLEESAVES(x))
348 #define FUNC_ISISR(x) (x->funcAttrs.intrtn)
349 #define IFFUNC_ISISR(x) (IS_FUNC(x) && FUNC_ISISR(x))
350 #define IFFUNC_RBANK(x) (IS_FUNC(x) && FUNC_RBANK(x))
351 #define FUNC_INTNO(x) (x->funcAttrs.intno)
352 #define FUNC_REGBANK(x) (x->funcAttrs.regbank)
353 #define FUNC_HASSTACKPARM(x) (x->funcAttrs.hasStackParms)
355 #define FUNC_ISREENT(x) (x->funcAttrs.reent)
356 #define IFFUNC_ISREENT(x) (IS_FUNC(x) && FUNC_ISREENT(x))
357 #define FUNC_ISNAKED(x) (x->funcAttrs.naked)
358 #define IFFUNC_ISNAKED(x) (IS_FUNC(x) && FUNC_ISNAKED(x))
359 #define FUNC_NONBANKED(x) (x->funcAttrs.nonbanked)
360 #define IFFUNC_NONBANKED(x) (IS_FUNC(x) && FUNC_NONBANKED(x))
361 #define FUNC_BANKED(x) (x->funcAttrs.banked)
362 #define IFFUNC_BANKED(x) (IS_FUNC(x) && FUNC_BANKED(x))
363 #define FUNC_ISCRITICAL(x) (x->funcAttrs.critical)
364 #define IFFUNC_ISCRITICAL(x) (IS_FUNC(x) && FUNC_ISCRITICAL(x))
365 #define FUNC_ISBUILTIN(x) (x->funcAttrs.builtin)
366 #define IFFUNC_ISBUILTIN(x) (IS_FUNC(x) && FUNC_ISBUILTIN(x))
367 #define FUNC_ISJAVANATIVE(x) (x->funcAttrs.javaNative)
368 #define IFFUNC_ISJAVANATIVE(x) (IS_FUNC(x) && FUNC_ISJAVANATIVE(x))
369 #define FUNC_ISOVERLAY(x) (x->funcAttrs.overlay)
370 #define IFFUNC_ISOVERLAY(x) (IS_FUNC(x) && FUNC_ISOVERLAY(x))
372 #define IFFUNC_ISBANKEDCALL(x) (!IFFUNC_NONBANKED(x) && \
373 (options.model == MODEL_LARGE || \
374 options.model == MODEL_MEDIUM || \
377 #define SPEC_NOUN(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.noun
378 #define SPEC_LONG(x) validateLink(x, "SPEC_LONG", #x, SPECIFIER, __FILE__, __LINE__)->select.s._long
379 #define SPEC_USIGN(x) validateLink(x, "SPEC_USIGN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._unsigned
380 #define SPEC_SCLS(x) validateLink(x, "SPEC_SCLS", #x, SPECIFIER, __FILE__, __LINE__)->select.s.sclass
381 #define SPEC_ENUM(x) validateLink(x, "SPEC_ENUM", #x, SPECIFIER, __FILE__, __LINE__)->select.s._isenum
382 #define SPEC_OCLS(x) validateLink(x, "SPEC_OCLS", #x, SPECIFIER, __FILE__, __LINE__)->select.s.oclass
383 #define SPEC_STAT(x) validateLink(x, "SPEC_STAT", #x, SPECIFIER, __FILE__, __LINE__)->select.s._static
384 #define SPEC_EXTR(x) validateLink(x, "SPEC_EXTR", #x, SPECIFIER, __FILE__, __LINE__)->select.s._extern
385 #define SPEC_CODE(x) validateLink(x, "SPEC_CODE", #x, SPECIFIER, __FILE__, __LINE__)->select.s._codesg
386 #define SPEC_ABSA(x) validateLink(x, "SPEC_ABSA", #x, SPECIFIER, __FILE__, __LINE__)->select.s._absadr
387 #define SPEC_BANK(x) validateLink(x, "SPEC_BANK", #x, SPECIFIER, __FILE__, __LINE__)->select.s._regbank
388 #define SPEC_ADDR(x) validateLink(x, "SPEC_ADDR", #x, SPECIFIER, __FILE__, __LINE__)->select.s._addr
389 #define SPEC_STAK(x) validateLink(x, "SPEC_STAK", #x, SPECIFIER, __FILE__, __LINE__)->select.s._stack
390 #define SPEC_CVAL(x) validateLink(x, "SPEC_CVAL", #x, SPECIFIER, __FILE__, __LINE__)->select.s.const_val
391 #define SPEC_BSTR(x) validateLink(x, "SPEC_BSTR", #x, SPECIFIER, __FILE__, __LINE__)->select.s._bitStart
392 #define SPEC_BLEN(x) validateLink(x, "SPEC_BLEN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._bitLength
394 /* Sleaze: SPEC_ISR_SAVED_BANKS is only used on
395 * function type symbols, which obviously cannot
396 * be of BIT type. Therefore, we recycle the
397 * _bitStart field instead of defining a new field.
399 #define SPEC_ISR_SAVED_BANKS(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._bitStart
400 #define SPEC_VOLATILE(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._volatile
401 #define SPEC_CONST(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._const
402 #define SPEC_STRUCT(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.v_struct
403 #define SPEC_TYPEDEF(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._typedef
404 #define SPEC_REGPARM(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s._isregparm
405 #define SPEC_ARGREG(x) validateLink(x, "SPEC_NOUN", #x, SPECIFIER, __FILE__, __LINE__)->select.s.argreg
407 /* type check macros */
408 #define IS_DECL(x) ( x && x->class == DECLARATOR )
409 #define IS_SPEC(x) ( x && x->class == SPECIFIER )
410 #define IS_ARRAY(x) (IS_DECL(x) && DCL_TYPE(x) == ARRAY)
411 #define IS_DATA_PTR(x) (IS_DECL(x) && DCL_TYPE(x) == POINTER)
412 #define IS_PTR(x) (IS_DECL(x) && (DCL_TYPE(x) == POINTER || \
413 DCL_TYPE(x) == FPOINTER || \
414 DCL_TYPE(x) == GPOINTER || \
415 DCL_TYPE(x) == IPOINTER || \
416 DCL_TYPE(x) == PPOINTER || \
417 DCL_TYPE(x) == EEPPOINTER || \
418 DCL_TYPE(x) == CPOINTER || \
419 DCL_TYPE(x) == UPOINTER ))
420 #define IS_PTR_CONST(x) (IS_PTR(x) && DCL_PTR_CONST(x))
421 #define IS_FARPTR(x) (IS_DECL(x) && DCL_TYPE(x) == FPOINTER)
422 #define IS_CODEPTR(x) (IS_DECL(x) && DCL_TYPE(x) == CPOINTER)
423 #define IS_GENPTR(x) (IS_DECL(x) && DCL_TYPE(x) == GPOINTER)
424 #define IS_FUNC(x) (IS_DECL(x) && DCL_TYPE(x) == FUNCTION)
425 #define IS_LONG(x) (IS_SPEC(x) && x->select.s._long)
426 #define IS_UNSIGNED(x) (IS_SPEC(x) && x->select.s._unsigned)
427 #define IS_TYPEDEF(x)(IS_SPEC(x) && x->select.s._typedef)
428 #define IS_CONSTANT(x) (!x ? 0 : \
430 x->select.s._const : \
431 x->select.d.ptr_const)
432 #define IS_STRUCT(x) (IS_SPEC(x) && x->select.s.noun == V_STRUCT)
433 #define IS_ABSOLUTE(x) (IS_SPEC(x) && x->select.s._absadr )
434 #define IS_REGISTER(x) (IS_SPEC(x) && SPEC_SCLS(x) == S_REGISTER)
435 #define IS_RENT(x) (IS_SPEC(x) && x->select.s._reent )
436 #define IS_STATIC(x) (IS_SPEC(x) && SPEC_STAT(x))
437 #define IS_INT(x) (IS_SPEC(x) && x->select.s.noun == V_INT)
438 #define IS_VOID(x) (IS_SPEC(x) && x->select.s.noun == V_VOID)
439 #define IS_CHAR(x) (IS_SPEC(x) && x->select.s.noun == V_CHAR)
440 #define IS_EXTERN(x) (IS_SPEC(x) && x->select.s._extern)
441 #define IS_VOLATILE(x) (!x ? 0 : \
443 x->select.s._volatile : \
444 x->select.d.ptr_volatile)
445 #define IS_INTEGRAL(x) (IS_SPEC(x) && (x->select.s.noun == V_INT || \
446 x->select.s.noun == V_CHAR || \
447 x->select.s.noun == V_BIT || \
448 x->select.s.noun == V_SBIT ))
449 #define IS_BITFIELD(x) (IS_SPEC(x) && (x->select.s.noun == V_BIT))
450 #define IS_BITVAR(x) (IS_SPEC(x) && (x->select.s.noun == V_BIT || \
451 x->select.s.noun == V_SBIT ))
452 #define IS_FLOAT(x) (IS_SPEC(x) && x->select.s.noun == V_FLOAT)
453 #define IS_ARITHMETIC(x) (IS_INTEGRAL(x) || IS_FLOAT(x))
454 #define IS_AGGREGATE(x) (IS_ARRAY(x) || IS_STRUCT(x))
455 #define IS_LITERAL(x) (IS_SPEC(x) && x->select.s.sclass == S_LITERAL)
456 #define IS_CODE(x) (IS_SPEC(x) && SPEC_SCLS(x) == S_CODE)
457 #define IS_REGPARM(x) (IS_SPEC(x) && SPEC_REGPARM(x))
459 /* forward declaration for the global vars */
460 extern bucket *SymbolTab[];
461 extern bucket *StructTab[];
462 extern bucket *TypedefTab[];
463 extern bucket *LabelTab[];
464 extern bucket *enumTab[];
465 extern symbol *__fsadd;
466 extern symbol *__fssub;
467 extern symbol *__fsmul;
468 extern symbol *__fsdiv;
469 extern symbol *__fseq;
470 extern symbol *__fsneq;
471 extern symbol *__fslt;
472 extern symbol *__fslteq;
473 extern symbol *__fsgt;
474 extern symbol *__fsgteq;
476 /* Dims: mul/div/mod, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
477 extern symbol *__muldiv[3][3][2];
478 /* Dims: BYTE/WORD/DWORD SIGNED/UNSIGNED */
479 extern sym_link *__multypes[3][2];
480 /* Dims: to/from float, BYTE/WORD/DWORD, SIGNED/USIGNED */
481 extern symbol *__conv[2][3][2];
482 /* Dims: shift left/shift right, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
483 extern symbol *__rlrr[2][3][2];
485 #define CHARTYPE __multypes[0][0]
486 #define UCHARTYPE __multypes[0][1]
487 #define INTTYPE __multypes[1][0]
488 #define UINTTYPE __multypes[1][1]
489 #define LONGTYPE __multypes[2][0]
490 #define ULONGTYPE __multypes[2][1]
493 extern sym_link *floatType;
497 /* forward definitions for the symbol table related functions */
499 symbol *newSymbol (char *, int);
500 sym_link *newLink (SYM_LINK_CLASS);
501 sym_link *newFloatLink ();
502 structdef *newStruct (char *);
503 void addDecl (symbol *, int, sym_link *);
504 sym_link *mergeSpec (sym_link *, sym_link *, char *name);
505 symbol *reverseSyms (symbol *);
506 sym_link *reverseLink (sym_link *);
507 symbol *copySymbol (symbol *);
508 symbol *copySymbolChain (symbol *);
509 void printSymChain (symbol *, int);
510 void printStruct (structdef *, int);
511 char *genSymName (int);
512 sym_link *getSpec (sym_link *);
513 char *genSymName (int);
514 int compStructSize (int, structdef *);
515 sym_link *copyLinkChain (sym_link *);
516 int checkDecl (symbol *, int);
517 void checkBasic (sym_link *, sym_link *);
518 value *checkPointerIval (sym_link *, value *);
519 value *checkStructIval (symbol *, value *);
520 value *checkArrayIval (sym_link *, value *);
521 value *checkIval (sym_link *, value *);
522 unsigned int getSize (sym_link *);
523 unsigned int bitsForType (sym_link *);
524 sym_link *newIntLink ();
525 sym_link *newCharLink ();
526 sym_link *newLongLink ();
527 int compareType (sym_link *, sym_link *);
528 int checkFunction (symbol *, symbol *);
529 void cleanUpLevel (bucket **, int);
530 void cleanUpBlock (bucket **, int);
531 int funcInChain (sym_link *);
532 void addSymChain (symbol *);
533 sym_link *structElemType (sym_link *, value *);
534 symbol *getStructElement (structdef *, symbol *);
535 sym_link *computeType (sym_link *, sym_link *);
536 void processFuncArgs (symbol *);
537 int isSymbolEqual (symbol *, symbol *);
538 int powof2 (unsigned long);
539 void printTypeChain (sym_link *, FILE *);
540 void initCSupport ();
541 void initBuiltIns ();
542 void pointerTypes (sym_link *, sym_link *);
543 void cdbStructBlock (int);
545 bucket *newBucket ();
546 void addSym (bucket **, void *, char *, int, int, int checkType);
547 void deleteSym (bucket **, void *, char *);
548 void *findSym (bucket **, void *, const char *);
549 void *findSymWithLevel (bucket **, struct symbol *);
550 void *findSymWithBlock (bucket **, struct symbol *, int);
551 void changePointer (symbol * sym);
552 void checkTypeSanity(sym_link *etype, char *name);
553 sym_link *typeFromStr (char *) ;
556 extern char *nounName(sym_link *); /* noun strings */
557 extern void printFromToType (sym_link *, sym_link *);