/*-------------------------------------------------------------------------
- SDCCsymt.c - Code file for Symbols table related structures and MACRO's.
- Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
+ SDCCsymt.c - Code file for Symbols table related structures and MACRO's.
+ Written By - Sandeep Dutta . sandeep.dutta@usa.net (1998)
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
- what you give them. Help stamp out software-hoarding!
+ what you give them. Help stamp out software-hoarding!
-------------------------------------------------------------------------*/
#include "common.h"
+#include "newalloc.h"
+
+/* noun strings */
+char *nounName(sym_link *sl) {
+ switch (SPEC_NOUN(sl))
+ {
+ case V_INT: {
+ if (SPEC_LONG(sl)) return "long";
+ if (sl->select.s._short) return "short";
+ return "int";
+ }
+ case V_FLOAT: return "float";
+ case V_CHAR: return "char";
+ case V_VOID: return "void";
+ case V_STRUCT: return "struct";
+ case V_LABEL: return "label";
+ case V_BIT: return "bit";
+ case V_SBIT: return "sbit";
+ case V_DOUBLE: return "double";
+ }
+ return "unknown";
+};
-bucket *SymbolTab [256] ; /* the symbol table */
-bucket *StructTab [256] ; /* the structure table */
-bucket *TypedefTab[256] ; /* the typedef table */
-bucket *LabelTab [256] ; /* the Label table */
-bucket *enumTab [256] ; /* enumerated table */
-
-extern struct set *publics;
+bucket *SymbolTab[256]; /* the symbol table */
+bucket *StructTab[256]; /* the structure table */
+bucket *TypedefTab[256]; /* the typedef table */
+bucket *LabelTab[256]; /* the Label table */
+bucket *enumTab[256]; /* enumerated table */
/*------------------------------------------------------------------*/
/* initSymt () - initialises symbol table related stuff */
/*------------------------------------------------------------------*/
-void initSymt ()
+void
+initSymt ()
{
- int i = 0 ;
+ int i = 0;
+
+ for (i = 0; i < 256; i++)
+ SymbolTab[i] = StructTab[i] = (void *) NULL;
+
- for ( i = 0 ; i < 256 ; i++ )
- SymbolTab[i] = StructTab[i] = (void *) NULL ;
-
-
}
/*-----------------------------------------------------------------*/
-/* newBucket - allocates & returns a new bucket */
+/* newBucket - allocates & returns a new bucket */
/*-----------------------------------------------------------------*/
-bucket *newBucket ()
+bucket *
+newBucket ()
{
- bucket *bp ;
-
- ALLOC(bp,sizeof(bucket));
-
- return bp ;
+ bucket *bp;
+
+ bp = Safe_calloc (1, sizeof (bucket));
+
+ return bp;
}
/*-----------------------------------------------------------------*/
/* hashKey - computes the hashkey given a symbol name */
/*-----------------------------------------------------------------*/
-int hashKey (const char *s)
+int
+hashKey (const char *s)
{
- unsigned long key = 0;
+ unsigned long key = 0;
- while (*s)
- key += *s++ ;
- return key % 256 ;
+ while (*s)
+ key += *s++;
+ return key % 256;
}
/*-----------------------------------------------------------------*/
/* addSym - adds a symbol to the hash Table */
/*-----------------------------------------------------------------*/
-void addSym ( bucket **stab ,
- void *sym ,
- char *sname ,
- int level ,
- int block)
+void
+addSym (bucket ** stab,
+ void *sym,
+ char *sname,
+ int level,
+ int block,
+ int checkType)
{
- int i ; /* index into the hash Table */
- bucket *bp ; /* temp bucket * */
-
- /* the symbols are always added at the head of the list */
- i = hashKey(sname) ;
- /* get a free entry */
- ALLOC(bp,sizeof(bucket));
-
- bp->sym = sym ; /* update the symbol pointer */
- bp->level = level; /* update the nest level */
- bp->block = block;
- strcpy(bp->name,sname); /* copy the name into place */
-
- /* if this is the first entry */
- if (stab[i] == NULL) {
- bp->prev = bp->next = (void *) NULL ; /* point to nothing */
- stab[i] = bp ;
- }
- /* not first entry then add @ head of list */
- else {
- bp->prev = NULL ;
- stab[i]->prev = bp ;
- bp->next = stab[i] ;
- stab[i] = bp ;
+ int i; /* index into the hash Table */
+ bucket *bp; /* temp bucket * */
+
+ if (checkType) {
+ if (getenv("DEBUG_SANITY")) {
+ fprintf (stderr, "addSym: %s ", sname);
+ }
+ /* make sure the type is complete and sane */
+ checkTypeSanity(((symbol *)sym)->etype, ((symbol *)sym)->name);
+ }
+
+ /* the symbols are always added at the head of the list */
+ i = hashKey (sname);
+ /* get a free entry */
+ bp = Safe_calloc (1, sizeof (bucket));
+
+ bp->sym = sym; /* update the symbol pointer */
+ bp->level = level; /* update the nest level */
+ bp->block = block;
+ strcpy (bp->name, sname); /* copy the name into place */
+
+ /* if this is the first entry */
+ if (stab[i] == NULL)
+ {
+ bp->prev = bp->next = (void *) NULL; /* point to nothing */
+ stab[i] = bp;
+ }
+ /* not first entry then add @ head of list */
+ else
+ {
+ bp->prev = NULL;
+ stab[i]->prev = bp;
+ bp->next = stab[i];
+ stab[i] = bp;
}
}
/*-----------------------------------------------------------------*/
-/* deleteSym - deletes a symbol from the hash Table entry */
+/* deleteSym - deletes a symbol from the hash Table entry */
/*-----------------------------------------------------------------*/
-void deleteSym ( bucket **stab, void *sym, char *sname)
+void
+deleteSym (bucket ** stab, void *sym, char *sname)
{
- int i = 0 ;
- bucket *bp ;
-
- i = hashKey(sname) ;
-
- bp = stab[i] ;
- /* find the symbol */
- while (bp) {
- if (bp->sym == sym) /* found it then break out */
- break ; /* of the loop */
- bp = bp->next ;
- }
-
- if (!bp) /* did not find it */
- return ;
- /* if this is the first one in the chain */
- if ( ! bp->prev ) {
- stab[i] = bp->next ;
- if ( stab[i] ) /* if chain ! empty */
- stab[i]->prev = (void *) NULL ;
- }
- /* middle || end of chain */
- else {
- if ( bp->next ) /* if not end of chain */
- bp->next->prev = bp->prev ;
-
- bp->prev->next = bp->next ;
- }
-
+ int i = 0;
+ bucket *bp;
+
+ i = hashKey (sname);
+
+ bp = stab[i];
+ /* find the symbol */
+ while (bp)
+ {
+ if (bp->sym == sym) /* found it then break out */
+ break; /* of the loop */
+ bp = bp->next;
+ }
+
+ if (!bp) /* did not find it */
+ return;
+ /* if this is the first one in the chain */
+ if (!bp->prev)
+ {
+ stab[i] = bp->next;
+ if (stab[i]) /* if chain ! empty */
+ stab[i]->prev = (void *) NULL;
+ }
+ /* middle || end of chain */
+ else
+ {
+ if (bp->next) /* if not end of chain */
+ bp->next->prev = bp->prev;
+
+ bp->prev->next = bp->next;
+ }
+
}
/*-----------------------------------------------------------------*/
-/* findSym - finds a symbol in a table */
+/* findSym - finds a symbol in a table */
/*-----------------------------------------------------------------*/
-void *findSym ( bucket **stab, void *sym, const char *sname)
+void *
+findSym (bucket ** stab, void *sym, const char *sname)
{
- bucket *bp ;
-
- bp = stab[hashKey(sname)] ;
- while (bp)
- {
- if ( bp->sym == sym || strcmp (bp->name,sname) == 0 )
- break ;
- bp = bp->next ;
- }
+ bucket *bp;
+
+ bp = stab[hashKey (sname)];
+ while (bp)
+ {
+ if (bp->sym == sym || strcmp (bp->name, sname) == 0)
+ break;
+ bp = bp->next;
+ }
- return ( bp ? bp->sym : (void *) NULL ) ;
+ return (bp ? bp->sym : (void *) NULL);
}
/*-----------------------------------------------------------------*/
/* findSymWithLevel - finds a symbol with a name & level */
/*-----------------------------------------------------------------*/
-void *findSymWithLevel ( bucket **stab, symbol *sym)
+void *
+findSymWithLevel (bucket ** stab, symbol * sym)
{
- bucket *bp ;
+ bucket *bp;
- bp = stab[hashKey(sym->name)];
+ bp = stab[hashKey (sym->name)];
/**
- ** do the search from the head of the list since the
+ ** do the search from the head of the list since the
** elements are added at the head it is ensured that
** we will find the deeper definitions before we find
- ** the global ones. we need to check for symbols with
+ ** the global ones. we need to check for symbols with
** level <= to the level given, if levels match then block
** numbers need to match as well
**/
- while (bp) {
-
- if ( strcmp(bp->name,sym->name) == 0 && bp->level <= sym->level) {
- /* if this is parameter then nothing else need to be checked */
- if (((symbol *)(bp->sym))->_isparm)
- return (bp->sym) ;
- /* if levels match then block numbers hsould also match */
- if (bp->level && bp->level == sym->level && bp->block == sym->block )
- return ( bp->sym );
- /* if levels don't match then we are okay */
- if (bp->level && bp->level != sym->level)
- return ( bp->sym );
- /* if this is a global variable then we are ok too */
- if (bp->level == 0 )
- return (bp->sym);
- }
-
- bp = bp->next;
- }
+ while (bp)
+ {
+
+ if (strcmp (bp->name, sym->name) == 0 && bp->level <= sym->level)
+ {
+ /* if this is parameter then nothing else need to be checked */
+ if (((symbol *) (bp->sym))->_isparm)
+ return (bp->sym);
+ /* if levels match then block numbers hsould also match */
+ if (bp->level && bp->level == sym->level && bp->block == sym->block)
+ return (bp->sym);
+ /* if levels don't match then we are okay */
+ if (bp->level && bp->level != sym->level && bp->block <= sym->block)
+ return (bp->sym);
+ /* if this is a global variable then we are ok too */
+ if (bp->level == 0)
+ return (bp->sym);
+ }
- return (void *) NULL ;
+ bp = bp->next;
+ }
+
+ return (void *) NULL;
}
/*-----------------------------------------------------------------*/
/* findSymWithBlock - finds a symbol with name in with a block */
/*-----------------------------------------------------------------*/
-void *findSymWithBlock ( bucket **stab, symbol *sym, int block)
+void *
+findSymWithBlock (bucket ** stab, symbol * sym, int block)
{
- bucket *bp ;
-
- bp = stab[hashKey(sym->name)] ;
- while (bp)
- {
- if ( strcmp (bp->name,sym->name) == 0 &&
- bp->block <= block )
- break ;
- bp = bp->next ;
- }
-
- return ( bp ? bp->sym : (void *) NULL ) ;
+ bucket *bp;
+
+ bp = stab[hashKey (sym->name)];
+ while (bp)
+ {
+ if (strcmp (bp->name, sym->name) == 0 &&
+ bp->block <= block)
+ break;
+ bp = bp->next;
+ }
+
+ return (bp ? bp->sym : (void *) NULL);
}
/*------------------------------------------------------------------*/
/* newSymbol () - returns a new pointer to a symbol */
/*------------------------------------------------------------------*/
-symbol *newSymbol (char *name, int scope )
+symbol *
+newSymbol (char *name, int scope)
{
- symbol *sym ;
-
- ALLOC(sym,sizeof(symbol));
-
- strcpy(sym->name,name); /* copy the name */
- sym->level = scope ; /* set the level */
- sym->block = currBlockno ;
- sym->lineDef = yylineno ; /* set the line number */
- return sym ;
+ symbol *sym;
+
+ sym = Safe_calloc (1, sizeof (symbol));
+
+ strcpy (sym->name, name); /* copy the name */
+ sym->level = scope; /* set the level */
+ sym->block = currBlockno;
+ sym->lineDef = yylineno; /* set the line number */
+ return sym;
}
/*------------------------------------------------------------------*/
/* newLink - creates a new link (declarator,specifier) */
/*------------------------------------------------------------------*/
-link *newLink ()
+sym_link *
+newLink ()
{
- link *p ;
+ sym_link *p;
- ALLOC(p,sizeof(link));
+ p = Safe_calloc (1, sizeof (sym_link));
- return p;
+ return p;
}
/*------------------------------------------------------------------*/
/* newStruct - creats a new structdef from the free list */
/*------------------------------------------------------------------*/
-structdef *newStruct ( char *tag )
+structdef *
+newStruct (char *tag)
{
- structdef *s;
+ structdef *s;
- ALLOC(s,sizeof(structdef));
-
- strcpy(s->tag,tag) ; /* copy the tag */
- return s ;
+ s = Safe_calloc (1, sizeof (structdef));
+
+ strcpy (s->tag, tag); /* copy the tag */
+ return s;
}
/*------------------------------------------------------------------*/
/* pointerTypes - do the computation for the pointer types */
/*------------------------------------------------------------------*/
-void pointerTypes (link *ptr, link *type)
-{
- if (IS_SPEC(ptr))
- return ;
-
- /* find the first pointer type */
- while (ptr && !IS_PTR(ptr))
- ptr = ptr->next;
-
- /* could not find it */
- if (!ptr || IS_SPEC(ptr) ||
- DCL_TYPE(ptr) != UPOINTER)
- return ;
-
- /* change the pointer type depending on the
- storage class of the type */
- if (IS_SPEC(type)) {
- DCL_PTR_CONST(ptr) = SPEC_CONST(type);
- DCL_PTR_VOLATILE(ptr) = SPEC_VOLATILE(type);
- switch (SPEC_SCLS(type)) {
+void
+pointerTypes (sym_link * ptr, sym_link * type)
+{
+ if (IS_SPEC (ptr))
+ return;
+
+ /* find the first pointer type */
+ while (ptr && !IS_PTR (ptr))
+ ptr = ptr->next;
+
+ /* could not find it */
+ if (!ptr || IS_SPEC (ptr) ||
+ DCL_TYPE (ptr) != UPOINTER)
+ return;
+
+ /* change the pointer type depending on the
+ storage class of the type */
+ if (IS_SPEC (type))
+ {
+ DCL_PTR_CONST (ptr) = SPEC_CONST (type);
+ DCL_PTR_VOLATILE (ptr) = SPEC_VOLATILE (type);
+ switch (SPEC_SCLS (type))
+ {
case S_XDATA:
- DCL_TYPE(ptr) = FPOINTER;
- break;
+ DCL_TYPE (ptr) = FPOINTER;
+ break;
case S_IDATA:
- DCL_TYPE(ptr) = IPOINTER ;
- break;
+ DCL_TYPE (ptr) = IPOINTER;
+ break;
case S_PDATA:
- DCL_TYPE(ptr) = PPOINTER ;
- break;
+ DCL_TYPE (ptr) = PPOINTER;
+ break;
case S_DATA:
- DCL_TYPE(ptr) = POINTER ;
- break;
+ DCL_TYPE (ptr) = POINTER;
+ break;
case S_CODE:
- DCL_PTR_CONST(ptr) = port->mem.code_ro;
- DCL_TYPE(ptr) = CPOINTER ;
- break;
+ DCL_PTR_CONST (ptr) = port->mem.code_ro;
+ DCL_TYPE (ptr) = CPOINTER;
+ break;
case S_EEPROM:
- DCL_TYPE(ptr) = EEPPOINTER;
- break;
+ DCL_TYPE (ptr) = EEPPOINTER;
+ break;
default:
- DCL_TYPE(ptr) = GPOINTER;
- break;
+ DCL_TYPE (ptr) = GPOINTER;
+ break;
}
- /* the storage class of type ends here */
- SPEC_SCLS(type) =
- SPEC_CONST(type) =
- SPEC_VOLATILE(type) = 0;
- }
-
- /* now change all the remaining unknown pointers
- to generic pointers */
- while (ptr) {
- if (!IS_SPEC(ptr) && DCL_TYPE(ptr) == UPOINTER)
- DCL_TYPE(ptr) = GPOINTER;
- ptr = ptr->next;
- }
-
- /* same for the type although it is highly unlikely that
- type will have a pointer */
- while (type) {
- if (!IS_SPEC(type) && DCL_TYPE(type) == UPOINTER)
- DCL_TYPE(type) = GPOINTER;
- type = type->next;
+ /* the storage class of type ends here */
+ SPEC_SCLS (type) =
+ SPEC_CONST (type) =
+ SPEC_VOLATILE (type) = 0;
+ }
+
+ /* now change all the remaining unknown pointers
+ to generic pointers */
+ while (ptr)
+ {
+ if (!IS_SPEC (ptr) && DCL_TYPE (ptr) == UPOINTER)
+ DCL_TYPE (ptr) = GPOINTER;
+ ptr = ptr->next;
+ }
+
+ /* same for the type although it is highly unlikely that
+ type will have a pointer */
+ while (type)
+ {
+ if (!IS_SPEC (type) && DCL_TYPE (type) == UPOINTER)
+ DCL_TYPE (type) = GPOINTER;
+ type = type->next;
}
}
/*------------------------------------------------------------------*/
/* addDecl - adds a declarator @ the end of a chain */
/*------------------------------------------------------------------*/
-void addDecl ( symbol *sym, int type , link *p )
+void
+addDecl (symbol * sym, int type, sym_link * p)
{
- link *head;
- link *tail;
- link *t ;
-
- /* if we are passed a link then set head & tail */
- if ( p ) {
- tail = head = p ;
- while ( tail->next )
- tail = tail->next ;
- }
- else {
- head = tail = newLink() ;
- DCL_TYPE(head) = type ;
- }
-
- /* if this is the first entry */
- if ( !sym->type ) {
- sym->type = head ;
- sym->etype = tail ;
- }
- else {
- if ( IS_SPEC(sym->etype) && IS_SPEC(head) && head == tail ) {
- sym->etype = mergeSpec(sym->etype,head);
+ sym_link *head;
+ sym_link *tail;
+ sym_link *t;
+
+ /* if we are passed a link then set head & tail */
+ if (p)
+ {
+ tail = head = p;
+ while (tail->next)
+ tail = tail->next;
+ }
+ else
+ {
+ head = tail = newLink ();
+ DCL_TYPE (head) = type;
+ }
+
+ /* if this is the first entry */
+ if (!sym->type)
+ {
+ sym->type = head;
+ sym->etype = tail;
+ }
+ else
+ {
+ if (IS_SPEC (sym->etype) && IS_SPEC (head) && head == tail)
+ {
+ sym->etype = mergeSpec (sym->etype, head, sym->name);
}
- else {
- if ( IS_SPEC(sym->etype) && !IS_SPEC(head) && head == tail ) {
- t = sym->type ;
- while (t->next != sym->etype) t = t->next ;
- t->next = head ;
- tail->next = sym->etype;
- } else {
- sym->etype->next = head;
- sym->etype = tail;
+ else
+ {
+ if (IS_SPEC (sym->etype) && !IS_SPEC (head) && head == tail)
+ {
+ t = sym->type;
+ while (t->next != sym->etype)
+ t = t->next;
+ t->next = head;
+ tail->next = sym->etype;
+ }
+ else
+ {
+ sym->etype->next = head;
+ sym->etype = tail;
}
}
}
-
- /* if the type is a unknown pointer and has
- a tspec then take the storage class const & volatile
- attribute from the tspec & make it those of this
- symbol */
- if (p &&
- !IS_SPEC(p) &&
- DCL_TYPE(p) == UPOINTER &&
- DCL_TSPEC(p)) {
- if (!IS_SPEC(sym->etype)) {
- sym->etype = sym->etype->next = newLink();
- sym->etype->class = SPECIFIER;
+
+ /* if the type is a unknown pointer and has
+ a tspec then take the storage class const & volatile
+ attribute from the tspec & make it those of this
+ symbol */
+ if (p &&
+ !IS_SPEC (p) &&
+ DCL_TYPE (p) == UPOINTER &&
+ DCL_TSPEC (p))
+ {
+ if (!IS_SPEC (sym->etype))
+ {
+ sym->etype = sym->etype->next = newLink ();
+ sym->etype->class = SPECIFIER;
}
- SPEC_SCLS(sym->etype) = SPEC_SCLS(DCL_TSPEC(p));
- SPEC_CONST(sym->etype) = SPEC_CONST(DCL_TSPEC(p));
- SPEC_VOLATILE(sym->etype) = SPEC_VOLATILE(DCL_TSPEC(p));
- DCL_TSPEC(p) = NULL;
+ SPEC_SCLS (sym->etype) = SPEC_SCLS (DCL_TSPEC (p));
+ SPEC_CONST (sym->etype) = SPEC_CONST (DCL_TSPEC (p));
+ SPEC_VOLATILE (sym->etype) = SPEC_VOLATILE (DCL_TSPEC (p));
+ DCL_TSPEC (p) = NULL;
+ }
+ return;
+}
+
+/*------------------------------------------------------------------
+ checkTypeSanity: prevent the user from doing e.g.:
+ unsigned float uf;
+ ------------------------------------------------------------------*/
+void checkTypeSanity(sym_link *etype, char *name) {
+ char *noun;
+
+ if (!etype) {
+ if (getenv("DEBUG_SANITY")) {
+ fprintf (stderr, "sanity check skipped for %s (etype==0)\n", name);
}
- return ;
+ return;
+ }
+
+ if (!IS_SPEC(etype)) {
+ if (getenv("DEBUG_SANITY")) {
+ fprintf (stderr, "sanity check skipped for %s (!IS_SPEC)\n", name);
+ }
+ return;
+ }
+
+ noun=nounName(etype);
+
+ if (getenv("DEBUG_SANITY")) {
+ fprintf (stderr, "checking sanity for %s %x\n", name, (int)etype);
+ }
+
+ if ((SPEC_NOUN(etype)==V_CHAR ||
+ SPEC_NOUN(etype)==V_FLOAT ||
+ SPEC_NOUN(etype)==V_DOUBLE ||
+ SPEC_NOUN(etype)==V_VOID) &&
+ (etype->select.s._short || SPEC_LONG(etype))) {
+ // long or short for char float double or void
+ werror (E_LONG_OR_SHORT_INVALID, noun, name);
+ }
+ if ((SPEC_NOUN(etype)==V_FLOAT ||
+ SPEC_NOUN(etype)==V_DOUBLE ||
+ SPEC_NOUN(etype)==V_VOID) &&
+ (etype->select.s._signed || SPEC_USIGN(etype))) {
+ // signed or unsigned for float double or void
+ werror (E_SIGNED_OR_UNSIGNED_INVALID, noun, name);
+ }
+
+ // special case for "short"
+ if (etype->select.s._short) {
+ SPEC_NOUN(etype) = options.shortis8bits ? V_CHAR : V_INT;
+ etype->select.s._short = 0;
+ }
+
+ /* if no noun e.g.
+ "const a;" or "data b;" or "signed s" or "long l"
+ assume an int */
+ if (!SPEC_NOUN(etype)) {
+ SPEC_NOUN(etype)=V_INT;
+ }
+
+ if (etype->select.s._signed && SPEC_USIGN(etype)) {
+ // signed AND unsigned
+ werror (E_SIGNED_AND_UNSIGNED_INVALID, noun, name);
+ }
+ if (etype->select.s._short && SPEC_LONG(etype)) {
+ // short AND long
+ werror (E_LONG_AND_SHORT_INVALID, noun, name);
+ }
+
}
/*------------------------------------------------------------------*/
-/* mergeSpec - merges two specifiers and returns the new one */
+/* mergeSpec - merges two specifiers and returns the new one */
/*------------------------------------------------------------------*/
-link *mergeSpec ( link *dest, link *src )
+#define LAST_MINUTE_2_3_0_FIX
+sym_link *
+mergeSpec (sym_link * dest, sym_link * src, char *name)
{
- /* if noun different then src overrides */
- if ( SPEC_NOUN(dest) != SPEC_NOUN(src) && !SPEC_NOUN(dest))
- SPEC_NOUN(dest) = SPEC_NOUN(src) ;
-
- if (! SPEC_SCLS(dest)) /* if destination has no storage class */
- SPEC_SCLS(dest) = SPEC_SCLS(src) ;
-
- /* copy all the specifications */
- SPEC_LONG(dest) |= SPEC_LONG(src);
- SPEC_SHORT(dest) |= SPEC_SHORT(src);
- SPEC_USIGN(dest) |= SPEC_USIGN(src);
- SPEC_STAT(dest) |= SPEC_STAT(src);
- SPEC_EXTR(dest) |= SPEC_EXTR(src);
- SPEC_ABSA(dest) |= SPEC_ABSA(src);
- SPEC_RENT(dest) |= SPEC_RENT(src);
- SPEC_INTN(dest) |= SPEC_INTN(src);
- SPEC_BANK(dest) |= SPEC_BANK(src);
- SPEC_VOLATILE(dest) |= SPEC_VOLATILE(src);
- SPEC_CRTCL(dest) |= SPEC_CRTCL(src);
- SPEC_ADDR(dest) |= SPEC_ADDR(src);
- SPEC_OCLS(dest) = SPEC_OCLS(src);
- SPEC_BLEN(dest) |= SPEC_BLEN(src);
- SPEC_BSTR(dest) |= SPEC_BSTR(src);
- SPEC_TYPEDEF(dest) |= SPEC_TYPEDEF(src);
- SPEC_NONBANKED(dest) |= SPEC_NONBANKED(src);
-
- if ( IS_STRUCT(dest) && SPEC_STRUCT(dest) == NULL )
- SPEC_STRUCT(dest) = SPEC_STRUCT(src);
-
- return dest ;
+
+#ifdef LAST_MINUTE_2_3_0_FIX
+ sym_link *symlink;
+
+ if (!IS_SPEC(dest)) {
+ // This should not happen
+ fprintf (stderr, "*** internal error: can't merge declarators\n");
+ }
+ if (!IS_SPEC(src)) {
+ // here we have a declarator as source, reverse them
+ symlink=src;
+ src=dest;
+ dest=symlink;
+ while (!IS_SPEC(dest)) {
+ // and find the specifier
+ dest=dest->next;
+ }
+ } else {
+ symlink=dest;
+ }
+#endif
+
+ if (getenv("DEBUG_mergeSpec")) {
+ fprintf (stderr, "mergeSpec: \"%s\"\n", name);
+ }
+
+ if (SPEC_NOUN(src)) {
+ if (!SPEC_NOUN(dest)) {
+ SPEC_NOUN(dest)=SPEC_NOUN(src);
+ } else {
+ /* we shouldn't redeclare the type */
+ if (getenv("DEBUG_SANITY")) {
+ fprintf (stderr, "mergeSpec: ");
+ }
+ werror(E_TWO_OR_MORE_DATA_TYPES, name);
+ }
+ }
+
+ if (SPEC_SCLS(src)) {
+ /* if destination has no storage class */
+ if (!SPEC_SCLS (dest) || SPEC_SCLS(dest)==S_REGISTER) {
+ SPEC_SCLS (dest) = SPEC_SCLS (src);
+ } else {
+ if (getenv("DEBUG_SANITY")) {
+ fprintf (stderr, "mergeSpec: ");
+ }
+ werror(E_TWO_OR_MORE_STORAGE_CLASSES, name);
+ }
+ }
+
+ /* copy all the specifications */
+
+ // we really should do:
+#if 0
+ if (SPEC_what(src)) {
+ if (SPEC_what(dest)) {
+ werror(W_DUPLICATE_SPEC, "what");
+ }
+ SPEC_what(dst)|=SPEC_what(src);
+ }
+#endif
+ // but there are more important thing right now
+
+ SPEC_LONG (dest) |= SPEC_LONG (src);
+ dest->select.s._short|=src->select.s._short;
+ SPEC_USIGN (dest) |= SPEC_USIGN (src);
+ dest->select.s._signed|=src->select.s._signed;
+ SPEC_STAT (dest) |= SPEC_STAT (src);
+ SPEC_EXTR (dest) |= SPEC_EXTR (src);
+ SPEC_ABSA (dest) |= SPEC_ABSA (src);
+ SPEC_RENT (dest) |= SPEC_RENT (src);
+ SPEC_INTN (dest) |= SPEC_INTN (src);
+ SPEC_BANK (dest) |= SPEC_BANK (src);
+ SPEC_VOLATILE (dest) |= SPEC_VOLATILE (src);
+ SPEC_CRTCL (dest) |= SPEC_CRTCL (src);
+ SPEC_ADDR (dest) |= SPEC_ADDR (src);
+ SPEC_OCLS (dest) = SPEC_OCLS (src);
+ SPEC_BLEN (dest) |= SPEC_BLEN (src);
+ SPEC_BSTR (dest) |= SPEC_BSTR (src);
+ SPEC_TYPEDEF (dest) |= SPEC_TYPEDEF (src);
+ SPEC_NONBANKED (dest) |= SPEC_NONBANKED (src);
+ SPEC_NAKED (dest) |= SPEC_NAKED (src);
+
+ if (IS_STRUCT (dest) && SPEC_STRUCT (dest) == NULL)
+ SPEC_STRUCT (dest) = SPEC_STRUCT (src);
+
+#ifdef LAST_MINUTE_2_3_0_FIX
+ return symlink;
+#else
+ return dest;
+#endif
}
/*------------------------------------------------------------------*/
/* cloneSpec - copies the entire spec and returns a new spec */
/*------------------------------------------------------------------*/
-link *cloneSpec ( link *src )
+sym_link *
+cloneSpec (sym_link * src)
{
- link *spec ;
-
- /* go thru chain till we find the specifier */
- while ( src && src->class != SPECIFIER )
- src = src->next ;
-
- spec = newLink() ;
- memcpy (spec,src,sizeof(link));
- return spec ;
+ sym_link *spec;
+
+ /* go thru chain till we find the specifier */
+ while (src && src->class != SPECIFIER)
+ src = src->next;
+
+ spec = newLink ();
+ memcpy (spec, src, sizeof (sym_link));
+ return spec;
}
/*------------------------------------------------------------------*/
-/* genSymName - generates and returns a name used for anonymous vars*/
+/* genSymName - generates and returns a name used for anonymous vars */
/*------------------------------------------------------------------*/
-char *genSymName ( int level )
+char *
+genSymName (int level)
{
- static int gCount = 0 ;
- static char gname[SDCC_NAME_MAX+1] ;
-
- sprintf (gname,"__%04d%04d",level,gCount++);
- return gname ;
+ static int gCount = 0;
+ static char gname[SDCC_NAME_MAX + 1];
+
+ sprintf (gname, "__%04d%04d", level, gCount++);
+ return gname;
}
/*------------------------------------------------------------------*/
/* getSpec - returns the specifier part from a declaration chain */
/*------------------------------------------------------------------*/
-link *getSpec ( link *p )
+sym_link *
+getSpec (sym_link * p)
{
- link *loop ;
-
- loop = p ;
- while ( p && ! (IS_SPEC(p)))
- p = p->next ;
-
- return p ;
+ sym_link *loop;
+
+ loop = p;
+ while (p && !(IS_SPEC (p)))
+ p = p->next;
+
+ return p;
}
/*------------------------------------------------------------------*/
-/* newCharLink() - creates an int type */
+/* newCharLink() - creates an char type */
/*------------------------------------------------------------------*/
-link *newCharLink()
+sym_link *
+newCharLink ()
{
- link *p;
-
- p = newLink();
- p->class = SPECIFIER ;
- SPEC_NOUN(p) = V_CHAR ;
-
- return p;
+ sym_link *p;
+
+ p = newLink ();
+ p->class = SPECIFIER;
+ SPEC_NOUN (p) = V_CHAR;
+
+ return p;
}
/*------------------------------------------------------------------*/
/* newFloatLink - a new Float type */
/*------------------------------------------------------------------*/
-link *newFloatLink()
+sym_link *
+newFloatLink ()
{
- link *p;
-
- p = newLink();
- p->class = SPECIFIER ;
- SPEC_NOUN(p) = V_FLOAT ;
-
- return p;
+ sym_link *p;
+
+ p = newLink ();
+ p->class = SPECIFIER;
+ SPEC_NOUN (p) = V_FLOAT;
+
+ return p;
}
/*------------------------------------------------------------------*/
/* newLongLink() - new long type */
/*------------------------------------------------------------------*/
-link *newLongLink()
+sym_link *
+newLongLink ()
{
- link *p;
-
- p = newLink();
- p->class = SPECIFIER ;
- SPEC_NOUN(p) = V_INT ;
- SPEC_LONG(p) = 1;
-
- return p;
+ sym_link *p;
+
+ p = newLink ();
+ p->class = SPECIFIER;
+ SPEC_NOUN (p) = V_INT;
+ SPEC_LONG (p) = 1;
+
+ return p;
}
/*------------------------------------------------------------------*/
/* newIntLink() - creates an int type */
/*------------------------------------------------------------------*/
-link *newIntLink()
+sym_link *
+newIntLink ()
{
- link *p;
-
- p = newLink();
- p->class = SPECIFIER ;
- SPEC_NOUN(p) = V_INT ;
-
- return p;
+ sym_link *p;
+
+ p = newLink ();
+ p->class = SPECIFIER;
+ SPEC_NOUN (p) = V_INT;
+
+ return p;
}
/*------------------------------------------------------------------*/
/* getSize - returns size of a type chain in bits */
/*------------------------------------------------------------------*/
-unsigned int getSize ( link *p )
+unsigned int
+getSize (sym_link * p)
{
- /* if nothing return 0 */
- if ( ! p )
- return 0 ;
- if ( IS_SPEC(p) ) { /* if this is the specifier then */
- switch (SPEC_NOUN(p)) { /* depending on the specifier type */
+ /* if nothing return 0 */
+ if (!p)
+ return 0;
+ if (IS_SPEC (p))
+ { /* if this is the specifier then */
+ switch (SPEC_NOUN (p))
+ { /* depending on the specifier type */
case V_INT:
- return (IS_LONG(p) ? LONGSIZE : ( IS_SHORT(p) ? SHORTSIZE: INTSIZE)) ;
+ return (IS_LONG (p) ? LONGSIZE : INTSIZE);
case V_FLOAT:
- return FLOATSIZE ;
+ return FLOATSIZE;
case V_CHAR:
- return CHARSIZE ;
+ return CHARSIZE;
case V_VOID:
- return 0 ;
+ return 0;
case V_STRUCT:
- return SPEC_STRUCT(p)->size ;
+ return SPEC_STRUCT (p)->size;
case V_LABEL:
- return 0 ;
+ return 0;
case V_SBIT:
- return BITSIZE ;
+ return BITSIZE;
case V_BIT:
- return ((SPEC_BLEN(p) / 8) + (SPEC_BLEN(p) % 8 ? 1 : 0)) ;
- default :
- return 0 ;
+ return ((SPEC_BLEN (p) / 8) + (SPEC_BLEN (p) % 8 ? 1 : 0));
+ default:
+ return 0;
}
}
-
- /* this is a specifier */
- switch (DCL_TYPE(p)) {
+
+ /* this is a specifier */
+ switch (DCL_TYPE (p))
+ {
case FUNCTION:
- return 2;
+ return 2;
case ARRAY:
- return DCL_ELEM(p) * getSize (p->next) ;
+ return DCL_ELEM (p) * getSize (p->next);
case IPOINTER:
case PPOINTER:
case POINTER:
- return ( PTRSIZE ) ;
+ return (PTRSIZE);
case EEPPOINTER:
case FPOINTER:
case CPOINTER:
- return ( FPTRSIZE );
- case GPOINTER:
- return ( GPTRSIZE );
-
- default :
- return 0 ;
+ return (FPTRSIZE);
+ case GPOINTER:
+ return (GPTRSIZE);
+
+ default:
+ return 0;
}
}
/*------------------------------------------------------------------*/
/* bitsForType - returns # of bits required to store this type */
/*------------------------------------------------------------------*/
-unsigned int bitsForType ( link *p )
+unsigned int
+bitsForType (sym_link * p)
{
- /* if nothing return 0 */
- if ( ! p )
- return 0 ;
-
- if ( IS_SPEC(p) ) { /* if this is the specifier then */
-
- switch (SPEC_NOUN(p)) { /* depending on the specifier type */
+ /* if nothing return 0 */
+ if (!p)
+ return 0;
+
+ if (IS_SPEC (p))
+ { /* if this is the specifier then */
+
+ switch (SPEC_NOUN (p))
+ { /* depending on the specifier type */
case V_INT:
- return (IS_LONG(p) ? LONGSIZE*8 : ( IS_SHORT(p) ? SHORTSIZE*8: INTSIZE*8)) ;
+ return (IS_LONG (p) ? LONGSIZE * 8 : INTSIZE * 8);
case V_FLOAT:
- return FLOATSIZE*8 ;
+ return FLOATSIZE * 8;
case V_CHAR:
- return CHARSIZE*8 ;
+ return CHARSIZE * 8;
case V_VOID:
- return 0 ;
+ return 0;
case V_STRUCT:
- return SPEC_STRUCT(p)->size*8 ;
+ return SPEC_STRUCT (p)->size * 8;
case V_LABEL:
- return 0 ;
+ return 0;
case V_SBIT:
- return 1 ;
+ return 1;
case V_BIT:
- return SPEC_BLEN(p);
- default :
- return 0 ;
+ return SPEC_BLEN (p);
+ default:
+ return 0;
}
}
-
- /* this is a specifier */
- switch (DCL_TYPE(p)) {
+
+ /* this is a specifier */
+ switch (DCL_TYPE (p))
+ {
case FUNCTION:
- return 2;
+ return 2;
case ARRAY:
- return DCL_ELEM(p) * getSize (p->next) *8 ;
+ return DCL_ELEM (p) * getSize (p->next) * 8;
case IPOINTER:
case PPOINTER:
case POINTER:
- return ( PTRSIZE * 8) ;
+ return (PTRSIZE * 8);
case EEPPOINTER:
case FPOINTER:
case CPOINTER:
- return ( FPTRSIZE * 8);
+ return (FPTRSIZE * 8);
case GPOINTER:
- return ( GPTRSIZE * 8);
-
- default :
- return 0 ;
+ return (GPTRSIZE * 8);
+
+ default:
+ return 0;
}
}
/*------------------------------------------------------------------*/
/* copySymbolChain - copies a symbol chain */
/*------------------------------------------------------------------*/
-symbol *copySymbolChain (symbol *src)
+symbol *
+copySymbolChain (symbol * src)
{
- symbol *dest ;
+ symbol *dest;
- if (!src)
- return NULL ;
+ if (!src)
+ return NULL;
- dest = copySymbol(src);
- dest->next = copySymbolChain(src->next);
- return dest ;
+ dest = copySymbol (src);
+ dest->next = copySymbolChain (src->next);
+ return dest;
}
/*------------------------------------------------------------------*/
/* copySymbol - makes a copy of a symbol */
/*------------------------------------------------------------------*/
-symbol *copySymbol (symbol *src)
+symbol *
+copySymbol (symbol * src)
{
- symbol *dest;
-
- if (!src )
- return NULL ;
-
- dest = newSymbol( src->name, src->level );
- memcpy(dest,src,sizeof(symbol));
- dest->level = src->level ;
- dest->block = src->block ;
- dest->ival = copyIlist(src->ival);
- dest->type = copyLinkChain(src->type);
- dest->etype= getSpec(dest->type);
- dest->next = NULL ;
- dest->args = copyValueChain (src->args);
- dest->key = src->key;
- dest->calleeSave = src->calleeSave;
- dest->allocreq = src->allocreq;
- return dest;
+ symbol *dest;
+
+ if (!src)
+ return NULL;
+
+ dest = newSymbol (src->name, src->level);
+ memcpy (dest, src, sizeof (symbol));
+ dest->level = src->level;
+ dest->block = src->block;
+ dest->ival = copyIlist (src->ival);
+ dest->type = copyLinkChain (src->type);
+ dest->etype = getSpec (dest->type);
+ dest->next = NULL;
+ dest->args = copyValueChain (src->args);
+ dest->key = src->key;
+ dest->calleeSave = src->calleeSave;
+ dest->allocreq = src->allocreq;
+ return dest;
}
/*------------------------------------------------------------------*/
/* reverseSyms - reverses the links for a symbol chain */
/*------------------------------------------------------------------*/
-symbol *reverseSyms ( symbol *sym)
+symbol *
+reverseSyms (symbol * sym)
{
- symbol *prev , *curr, *next ;
-
- if (!sym)
- return NULL ;
-
- prev = sym ;
- curr = sym->next ;
-
- while (curr)
- {
- next = curr->next ;
- curr->next = prev ;
- prev = curr ;
- curr = next ;
- }
- sym->next = (void *) NULL ;
- return prev ;
+ symbol *prev, *curr, *next;
+
+ if (!sym)
+ return NULL;
+
+ prev = sym;
+ curr = sym->next;
+
+ while (curr)
+ {
+ next = curr->next;
+ curr->next = prev;
+ prev = curr;
+ curr = next;
+ }
+ sym->next = (void *) NULL;
+ return prev;
}
/*------------------------------------------------------------------*/
/* reverseLink - reverses the links for a type chain */
/*------------------------------------------------------------------*/
-link *reverseLink ( link *type)
+sym_link *
+reverseLink (sym_link * type)
{
- link *prev , *curr, *next ;
-
- if (!type)
- return NULL ;
-
- prev = type ;
- curr = type->next ;
-
- while (curr)
- {
- next = curr->next ;
- curr->next = prev ;
- prev = curr ;
- curr = next ;
- }
- type->next = (void *) NULL ;
- return prev ;
+ sym_link *prev, *curr, *next;
+
+ if (!type)
+ return NULL;
+
+ prev = type;
+ curr = type->next;
+
+ while (curr)
+ {
+ next = curr->next;
+ curr->next = prev;
+ prev = curr;
+ curr = next;
+ }
+ type->next = (void *) NULL;
+ return prev;
}
/*------------------------------------------------------------------*/
/* addSymChain - adds a symbol chain to the symboltable */
/*------------------------------------------------------------------*/
-void addSymChain ( symbol *symHead )
+void
+addSymChain (symbol * symHead)
{
- symbol *sym = symHead ;
- symbol *csym = NULL ;
-
- for (;sym != NULL ; sym = sym->next ) {
-
- /* if already exists in the symbol table then check if
- the previous was an extern definition if yes then
- then check if the type match, if the types match then
- delete the current entry and add the new entry */
- if ((csym = findSymWithLevel (SymbolTab,sym)) &&
- csym->level == sym->level) {
-
- /* previous definition extern ? */
- if ( IS_EXTERN(csym->etype) ) {
- /* do types match ? */
- if (checkType ( csym->type,sym->type) != 1)
- /* no then error */
- werror (E_DUPLICATE,csym->name);
-
- /* delete current entry */
- deleteSym (SymbolTab, csym, csym->name );
- /* add new entry */
- addSym (SymbolTab, sym, sym->name, sym->level,sym->block);
- } else /* not extern */
- werror(E_DUPLICATE,sym->name) ;
- continue ;
- }
-
- /* check if previously defined */
- if (csym && csym->level == sym->level ) {
- /* if the previous one was declared as extern */
- /* then check the type with the current one */
- if ( IS_EXTERN(csym->etype) ) {
- if ( checkType (csym->type, sym->type ) <= 0 )
- werror (W_EXTERN_MISMATCH,csym->name);
- }
+ symbol *sym = symHead;
+ symbol *csym = NULL;
+
+
+ for (; sym != NULL; sym = sym->next)
+ {
+ changePointer(sym);
+
+ /* if already exists in the symbol table then check if
+ the previous was an extern definition if yes then
+ then check if the type match, if the types match then
+ delete the current entry and add the new entry */
+ if ((csym = findSymWithLevel (SymbolTab, sym)) &&
+ csym->level == sym->level)
+ {
+
+ /* previous definition extern ? */
+ if (IS_EXTERN (csym->etype))
+ {
+ /* do types match ? */
+ if (compareType (csym->type, sym->type) != 1)
+ /* no then error */
+ werror (E_DUPLICATE, csym->name);
+
+ /* delete current entry */
+ deleteSym (SymbolTab, csym, csym->name);
+ /* add new entry */
+ addSym (SymbolTab, sym, sym->name, sym->level, sym->block, 1);
+ }
+ else /* not extern */
+ werror (E_DUPLICATE, sym->name);
+ continue;
+ }
+
+ /* check if previously defined */
+ if (csym && csym->level == sym->level)
+ {
+ /* if the previous one was declared as extern */
+ /* then check the type with the current one */
+ if (IS_EXTERN (csym->etype))
+ {
+ if (compareType (csym->type, sym->type) <= 0)
+ werror (W_EXTERN_MISMATCH, csym->name);
+ }
+ }
+ addSym (SymbolTab, sym, sym->name, sym->level, sym->block, 1);
}
-
- addSym (SymbolTab,sym,sym->name,sym->level,sym->block) ;
- }
}
/*------------------------------------------------------------------*/
/* funcInChain - DCL Type 'FUNCTION' found in type chain */
/*------------------------------------------------------------------*/
-int funcInChain (link *lnk)
+int
+funcInChain (sym_link * lnk)
{
- while (lnk) {
- if (IS_FUNC(lnk))
- return 1;
- lnk = lnk->next;
+ while (lnk)
+ {
+ if (IS_FUNC (lnk))
+ return 1;
+ lnk = lnk->next;
}
- return 0;
+ return 0;
}
/*------------------------------------------------------------------*/
/* structElemType - returns the type info of a sturct member */
/*------------------------------------------------------------------*/
-link *structElemType (link *stype, value *id ,value **argsp)
+sym_link *
+structElemType (sym_link * stype, value * id, value ** argsp)
{
- symbol *fields = (SPEC_STRUCT(stype) ? SPEC_STRUCT(stype)->fields : NULL);
-
- if ( ! fields || ! id)
- return NULL ;
-
- /* look for the id */
- while (fields) {
- if (strcmp(fields->rname,id->name) == 0) {
- if (argsp) {
- *argsp = fields->args;
+ symbol *fields = (SPEC_STRUCT (stype) ? SPEC_STRUCT (stype)->fields : NULL);
+ sym_link *type, *etype;
+ sym_link *petype = getSpec (stype);
+
+ if (!fields || !id)
+ return NULL;
+
+ /* look for the id */
+ while (fields)
+ {
+ if (strcmp (fields->rname, id->name) == 0)
+ {
+ if (argsp)
+ {
+ *argsp = fields->args;
}
- return copyLinkChain (fields->type) ;
+ type = copyLinkChain (fields->type);
+ etype = getSpec (type);
+ SPEC_SCLS (etype) = (SPEC_SCLS (petype) == S_REGISTER ?
+ SPEC_SCLS (etype) : SPEC_SCLS (petype));
+ return type;
}
- fields = fields->next ;
+ fields = fields->next;
}
- werror(E_NOT_MEMBER,id->name);
-
- return NULL ;
+ werror (E_NOT_MEMBER, id->name);
+
+ return NULL;
}
/*------------------------------------------------------------------*/
/* getStructElement - returns element of a tructure definition */
/*------------------------------------------------------------------*/
-symbol *getStructElement ( structdef *sdef, symbol *sym)
+symbol *
+getStructElement (structdef * sdef, symbol * sym)
{
- symbol *field ;
-
- for ( field = sdef->fields ; field ; field = field->next )
- if ( strcmp(field->name,sym->name) == 0)
- return field ;
-
- werror(E_NOT_MEMBER,sym->name);
-
- return sdef->fields ;
+ symbol *field;
+
+ for (field = sdef->fields; field; field = field->next)
+ if (strcmp (field->name, sym->name) == 0)
+ return field;
+
+ werror (E_NOT_MEMBER, sym->name);
+
+ return sdef->fields;
}
/*------------------------------------------------------------------*/
/* compStructSize - computes the size of a structure */
/*------------------------------------------------------------------*/
-int compStructSize (int su, structdef *sdef )
+int
+compStructSize (int su, structdef * sdef)
{
- int sum = 0 , usum =0;
- int bitOffset = 0 ;
- symbol *loop ;
-
+ int sum = 0, usum = 0;
+ int bitOffset = 0;
+ symbol *loop;
+
/* for the identifiers */
- loop = sdef->fields ;
- while ( loop ) {
+ loop = sdef->fields;
+ while (loop) {
/* create the internal name for this variable */
- sprintf (loop->rname,"_%s",loop->name);
- loop->offset = ( su == UNION ? sum = 0 : sum ) ;
- SPEC_VOLATILE(loop->etype) |= (su == UNION ? 1 : 0);
+ sprintf (loop->rname, "_%s", loop->name);
+ loop->offset = (su == UNION ? sum = 0 : sum);
+ SPEC_VOLATILE (loop->etype) |= (su == UNION ? 1 : 0);
/* if this is a bit field */
- if (loop->bitVar) {
-
+ if (loop->bitVar) {
+
/* change it to a unsigned bit */
- SPEC_NOUN(loop->etype) = V_BIT ;
- SPEC_USIGN(loop->etype) = 1 ;
+ SPEC_NOUN (loop->etype) = V_BIT;
+ SPEC_USIGN (loop->etype) = 1;
/* check if this fit into the remaining */
/* bits of this byte else align it to the */
/* next byte boundary */
- if ((SPEC_BLEN(loop->etype)=loop->bitVar) <= (8 - bitOffset)) {
- SPEC_BSTR(loop->etype) = bitOffset ;
- sum += (loop->bitVar / 8) ;
+ if ((SPEC_BLEN (loop->etype) = loop->bitVar) <= (8 - bitOffset)) {
+ SPEC_BSTR (loop->etype) = bitOffset;
+ if ((bitOffset += (loop->bitVar % 8)) == 8)
+ sum++;
+ }
+ else /* does not fit */ {
+ bitOffset = 0;
+ SPEC_BSTR (loop->etype) = bitOffset;
+ sum += (loop->bitVar / 8);
bitOffset += (loop->bitVar % 8);
- }
- else /* does not fit */
- {
- bitOffset = 0 ;
- loop->offset++; /* go to the next byte */
- sum++ ;
- SPEC_BSTR(loop->etype) = bitOffset ;
- sum += (loop->bitVar / 8) ;
- bitOffset += (loop->bitVar % 8);
- }
+ }
/* if this is the last field then pad */
- if (!loop->next && bitOffset) {
- bitOffset = 0 ;
- sum++ ;
+ if (!loop->next && bitOffset && bitOffset != 8) {
+ bitOffset = 0;
+ sum++;
}
}
else {
checkDecl (loop);
- sum += getSize (loop->type) ;
+ sum += getSize (loop->type);
}
/* if function then do the arguments for it */
- if (funcInChain(loop->type)) {
+ if (funcInChain (loop->type)) {
processFuncArgs (loop, 1);
}
- loop = loop->next ;
+ loop = loop->next;
/* if this is not a bitfield but the */
/* previous one was and did not take */
/* the whole byte then pad the rest */
if ((loop && !loop->bitVar) && bitOffset) {
- bitOffset = 0 ;
- sum++ ;
+ bitOffset = 0;
+ sum++;
}
-
+
/* if union then size = sizeof larget field */
- if (su == UNION)
- usum = max(usum,sum);
-
+ if (su == UNION)
+ usum = max (usum, sum);
+
}
-
+
return (su == UNION ? usum : sum);
}
/*------------------------------------------------------------------*/
/* checkSClass - check the storage class specification */
/*------------------------------------------------------------------*/
-static void checkSClass ( symbol *sym )
-{
- /* type is literal can happen foe enums change
- to auto */
- if (SPEC_SCLS(sym->etype) == S_LITERAL && !SPEC_ENUM(sym->etype))
- SPEC_SCLS(sym->etype) = S_AUTO;
-
- /* if sfr or sbit then must also be */
- /* volatile the initial value will be xlated */
- /* to an absolute address */
- if (SPEC_SCLS(sym->etype) == S_SBIT ||
- SPEC_SCLS(sym->etype) == S_SFR ) {
- SPEC_VOLATILE(sym->etype) = 1;
- /* if initial value given */
- if (sym->ival) {
- SPEC_ABSA(sym->etype) = 1;
- SPEC_ADDR(sym->etype) =
- (int) list2int(sym->ival);
- sym->ival = NULL;
+static void
+checkSClass (symbol * sym)
+{
+ if (getenv("DEBUG_SANITY")) {
+ fprintf (stderr, "checkSClass: %s \n", sym->name);
+ }
+ if (strcmp(sym->name, "_testsGlobal")==0) {
+ printf ("oach\n");
+ }
+
+ /* type is literal can happen foe enums change
+ to auto */
+ if (SPEC_SCLS (sym->etype) == S_LITERAL && !SPEC_ENUM (sym->etype))
+ SPEC_SCLS (sym->etype) = S_AUTO;
+
+ /* if sfr or sbit then must also be */
+ /* volatile the initial value will be xlated */
+ /* to an absolute address */
+ if (SPEC_SCLS (sym->etype) == S_SBIT ||
+ SPEC_SCLS (sym->etype) == S_SFR)
+ {
+ SPEC_VOLATILE (sym->etype) = 1;
+ /* if initial value given */
+ if (sym->ival)
+ {
+ SPEC_ABSA (sym->etype) = 1;
+ SPEC_ADDR (sym->etype) =
+ (int) list2int (sym->ival);
+ sym->ival = NULL;
}
}
+
+ /* if absolute address given then it mark it as
+ volatile */
+ if (IS_ABSOLUTE (sym->etype))
+ SPEC_VOLATILE (sym->etype) = 1;
+
+ /* global variables declared const put into code */
+ if (sym->level == 0 &&
+ SPEC_CONST (sym->etype)) {
+ SPEC_SCLS (sym->etype) = S_CODE;
+ }
+
+ /* global variable in code space is a constant */
+ if (sym->level == 0 &&
+ SPEC_SCLS (sym->etype) == S_CODE &&
+ port->mem.code_ro)
+ SPEC_CONST (sym->etype) = 1;
+
+
+ /* if bit variable then no storage class can be */
+ /* specified since bit is already a storage */
+ if (IS_BITVAR (sym->etype) &&
+ (SPEC_SCLS (sym->etype) != S_FIXED &&
+ SPEC_SCLS (sym->etype) != S_SBIT &&
+ SPEC_SCLS (sym->etype) != S_BIT)
+ )
+ {
+ werror (E_BITVAR_STORAGE, sym->name);
+ SPEC_SCLS (sym->etype) = S_FIXED;
+ }
+
+ /* extern variables cannot be initialized */
+ if (IS_EXTERN (sym->etype) && sym->ival)
+ {
+ werror (E_EXTERN_INIT, sym->name);
+ sym->ival = NULL;
+ }
+
+#if 0
+ /* if this is an automatic symbol then */
+ /* storage class will be ignored and */
+ /* symbol will be allocated on stack/ */
+ /* data depending on flag */
+ if (sym->level &&
+ (options.stackAuto || reentrant) &&
+ (SPEC_SCLS (sym->etype) != S_AUTO &&
+ SPEC_SCLS (sym->etype) != S_FIXED &&
+ SPEC_SCLS (sym->etype) != S_REGISTER &&
+ SPEC_SCLS (sym->etype) != S_STACK &&
+ SPEC_SCLS (sym->etype) != S_XSTACK))
+ {
+ werror (E_AUTO_ASSUMED, sym->name);
+ SPEC_SCLS (sym->etype) = S_AUTO;
+ }
+#else
+ /* if this is an atomatic symbol */
+ if (sym->level && (options.stackAuto || reentrant)) {
+ if ((SPEC_SCLS (sym->etype) == S_AUTO ||
+ SPEC_SCLS (sym->etype) == S_FIXED ||
+ SPEC_SCLS (sym->etype) == S_REGISTER ||
+ SPEC_SCLS (sym->etype) == S_STACK ||
+ SPEC_SCLS (sym->etype) == S_XSTACK)) {
+ SPEC_SCLS (sym->etype) = S_AUTO;
+ } else {
+ /* storage class may only be specified for statics */
+ if (!IS_STATIC(sym->etype)) {
+ werror (E_AUTO_ASSUMED, sym->name);
+ }
+ }
+ }
+#endif
+
+ /* automatic symbols cannot be given */
+ /* an absolute address ignore it */
+ if (sym->level &&
+ SPEC_ABSA (sym->etype) &&
+ (options.stackAuto || reentrant))
+ {
+ werror (E_AUTO_ABSA, sym->name);
+ SPEC_ABSA (sym->etype) = 0;
+ }
+
+ /* arrays & pointers cannot be defined for bits */
+ /* SBITS or SFRs or BIT */
+ if ((IS_ARRAY (sym->type) || IS_PTR (sym->type)) &&
+ (SPEC_NOUN (sym->etype) == V_BIT ||
+ SPEC_NOUN (sym->etype) == V_SBIT ||
+ SPEC_SCLS (sym->etype) == S_SFR))
+ werror (E_BIT_ARRAY, sym->name);
+
+ /* if this is a bit|sbit then set length & start */
+ if (SPEC_NOUN (sym->etype) == V_BIT ||
+ SPEC_NOUN (sym->etype) == V_SBIT)
+ {
+ SPEC_BLEN (sym->etype) = 1;
+ SPEC_BSTR (sym->etype) = 0;
+ }
- /* if absolute address given then it mark it as
- volatile */
- if (IS_ABSOLUTE(sym->etype))
- SPEC_VOLATILE(sym->etype) = 1;
-
- /* global variables declared const put into code */
- if (sym->level == 0 &&
- SPEC_SCLS(sym->etype) == S_CONSTANT) {
- SPEC_SCLS(sym->etype) = S_CODE ;
- SPEC_CONST(sym->etype) = 1;
- }
-
- /* global variable in code space is a constant */
- if (sym->level == 0 &&
- SPEC_SCLS(sym->etype) == S_CODE &&
- port->mem.code_ro )
- SPEC_CONST(sym->etype) = 1;
-
-
- /* if bit variable then no storage class can be */
- /* specified since bit is already a storage */
- if ( IS_BITVAR(sym->etype) &&
- ( SPEC_SCLS(sym->etype) != S_FIXED &&
- SPEC_SCLS(sym->etype) != S_SBIT &&
- SPEC_SCLS(sym->etype) != S_BIT )
- ) {
- werror (E_BITVAR_STORAGE,sym->name);
- SPEC_SCLS(sym->etype) = S_FIXED ;
- }
-
- /* extern variables cannot be initialized */
- if (IS_EXTERN(sym->etype) && sym->ival) {
- werror(E_EXTERN_INIT,sym->name);
- sym->ival = NULL;
- }
-
- /* if this is an automatic symbol then */
- /* storage class will be ignored and */
- /* symbol will be allocated on stack/ */
- /* data depending on flag */
- if ( sym->level &&
- (options.stackAuto || reentrant ) &&
- ( SPEC_SCLS(sym->etype) != S_AUTO &&
- SPEC_SCLS(sym->etype) != S_FIXED &&
- SPEC_SCLS(sym->etype) != S_REGISTER &&
- SPEC_SCLS(sym->etype) != S_STACK &&
- SPEC_SCLS(sym->etype) != S_XSTACK &&
- SPEC_SCLS(sym->etype) != S_CONSTANT )) {
-
- werror(E_AUTO_ASSUMED,sym->name) ;
- SPEC_SCLS(sym->etype) = S_AUTO ;
- }
-
- /* automatic symbols cannot be given */
- /* an absolute address ignore it */
- if ( sym->level &&
- SPEC_ABSA(sym->etype) &&
- (options.stackAuto || reentrant) ) {
- werror(E_AUTO_ABSA,sym->name);
- SPEC_ABSA(sym->etype) = 0 ;
- }
-
- /* arrays & pointers cannot be defined for bits */
- /* SBITS or SFRs or BIT */
- if ((IS_ARRAY(sym->type) || IS_PTR(sym->type)) &&
- ( SPEC_NOUN(sym->etype) == V_BIT ||
- SPEC_NOUN(sym->etype) == V_SBIT ||
- SPEC_SCLS(sym->etype) == S_SFR ))
- werror(E_BIT_ARRAY,sym->name);
-
- /* if this is a bit|sbit then set length & start */
- if (SPEC_NOUN(sym->etype) == V_BIT ||
- SPEC_NOUN(sym->etype) == V_SBIT ) {
- SPEC_BLEN(sym->etype) = 1 ;
- SPEC_BSTR(sym->etype) = 0 ;
- }
-
- /* variables declared in CODE space must have */
- /* initializers if not an extern */
- if (SPEC_SCLS(sym->etype) == S_CODE &&
- sym->ival == NULL &&
- !sym->level &&
- port->mem.code_ro &&
- !IS_EXTERN(sym->etype))
- werror(E_CODE_NO_INIT,sym->name);
-
- /* if parameter or local variable then change */
- /* the storage class to reflect where the var will go */
- if ( sym->level && SPEC_SCLS(sym->etype) == S_FIXED) {
- if ( options.stackAuto || (currFunc && IS_RENT(currFunc->etype)))
+ /* variables declared in CODE space must have */
+ /* initializers if not an extern */
+ if (SPEC_SCLS (sym->etype) == S_CODE &&
+ sym->ival == NULL &&
+ !sym->level &&
+ port->mem.code_ro &&
+ !IS_EXTERN (sym->etype) &&
+ !funcInChain (sym->type))
+ werror (E_CODE_NO_INIT, sym->name);
+
+ /* if parameter or local variable then change */
+ /* the storage class to reflect where the var will go */
+ if (sym->level && SPEC_SCLS (sym->etype) == S_FIXED &&
+ !IS_STATIC(sym->etype))
+ {
+ if (options.stackAuto || (currFunc && IS_RENT (currFunc->etype)))
{
- SPEC_SCLS(sym->etype) = (options.useXstack ?
- S_XSTACK : S_STACK ) ;
+ SPEC_SCLS (sym->etype) = (options.useXstack ?
+ S_XSTACK : S_STACK);
}
- else
+ else
{
- /* hack-o-matic! I see no reason why the useXstack option should ever
- * control this allcoation, but the code was originally that way, and
- * changing it for non-390 ports breaks the compiler badly.
- */
- extern PORT ds390_port;
- bool useXdata = (port == &ds390_port) ? options.model : options.useXstack;
- SPEC_SCLS(sym->etype) = (useXdata ?
- S_XDATA : S_DATA ) ;
+ /* hack-o-matic! I see no reason why the useXstack option should ever
+ * control this allcoation, but the code was originally that way, and
+ * changing it for non-390 ports breaks the compiler badly.
+ */
+ bool useXdata = TARGET_IS_DS390 ? 1 : options.useXstack;
+ SPEC_SCLS (sym->etype) = (useXdata ?
+ S_XDATA : S_FIXED);
}
}
}
/*------------------------------------------------------------------*/
/* changePointer - change pointer to functions */
/*------------------------------------------------------------------*/
-void changePointer (symbol *sym)
+void
+changePointer (symbol * sym)
{
- link *p ;
-
- /* go thru the chain of declarations */
- /* if we find a pointer to a function */
- /* unconditionally change it to a ptr */
- /* to code area */
- for ( p = sym->type ; p ; p = p->next) {
- if ( !IS_SPEC(p) && DCL_TYPE(p) == UPOINTER)
- DCL_TYPE(p) = GPOINTER ;
- if ( IS_PTR(p) && IS_FUNC(p->next))
- DCL_TYPE(p) = CPOINTER ;
+ sym_link *p;
+
+ /* go thru the chain of declarations */
+ /* if we find a pointer to a function */
+ /* unconditionally change it to a ptr */
+ /* to code area */
+ for (p = sym->type; p; p = p->next)
+ {
+ if (!IS_SPEC (p) && DCL_TYPE (p) == UPOINTER)
+ DCL_TYPE (p) = GPOINTER;
+ if (IS_PTR (p) && IS_FUNC (p->next))
+ DCL_TYPE (p) = CPOINTER;
}
}
/*------------------------------------------------------------------*/
/* checkDecl - does semantic validation of a declaration */
/*------------------------------------------------------------------*/
-int checkDecl ( symbol *sym )
+int
+checkDecl (symbol * sym)
{
-
- checkSClass (sym); /* check the storage class */
- changePointer(sym); /* change pointers if required */
- /* if this is an array without any dimension
- then update the dimension from the initial value */
- if (IS_ARRAY(sym->type) && !DCL_ELEM(sym->type))
- DCL_ELEM(sym->type) = getNelements (sym->type,sym->ival);
+ checkSClass (sym); /* check the storage class */
+ changePointer (sym); /* change pointers if required */
- return 0 ;
+ /* if this is an array without any dimension
+ then update the dimension from the initial value */
+ if (IS_ARRAY (sym->type) && !DCL_ELEM (sym->type))
+ DCL_ELEM (sym->type) = getNelements (sym->type, sym->ival);
+
+ return 0;
}
/*------------------------------------------------------------------*/
/* copyLinkChain - makes a copy of the link chain & rets ptr 2 head */
/*------------------------------------------------------------------*/
-link *copyLinkChain ( link *p)
+sym_link *
+copyLinkChain (sym_link * p)
{
- link *head, *curr , *loop;
-
- curr = p ;
- head = loop = ( curr ? newLink() : (void *) NULL) ;
- while (curr) {
- memcpy(loop,curr,sizeof(link)) ; /* copy it */
- loop->next = (curr->next ? newLink() : (void *) NULL) ;
- loop = loop->next ;
- curr = curr->next ;
- }
-
- return head ;
+ sym_link *head, *curr, *loop;
+
+ curr = p;
+ head = loop = (curr ? newLink () : (void *) NULL);
+ while (curr)
+ {
+ memcpy (loop, curr, sizeof (sym_link)); /* copy it */
+ loop->next = (curr->next ? newLink () : (void *) NULL);
+ loop = loop->next;
+ curr = curr->next;
+ }
+
+ return head;
}
/* cleanUpBlock - cleansup the symbol table specified for all the */
/* symbols in the given block */
/*------------------------------------------------------------------*/
-void cleanUpBlock ( bucket **table, int block)
-{
- int i ;
- bucket *chain;
-
- /* go thru the entire table */
- for ( i = 0 ; i < 256; i++ ) {
- for ( chain = table[i]; chain ; chain = chain->next ) {
- if (chain->block >= block) {
- deleteSym (table,chain->sym,chain->name);
- }
+void
+cleanUpBlock (bucket ** table, int block)
+{
+ int i;
+ bucket *chain;
+
+ /* go thru the entire table */
+ for (i = 0; i < 256; i++)
+ {
+ for (chain = table[i]; chain; chain = chain->next)
+ {
+ if (chain->block >= block)
+ {
+ deleteSym (table, chain->sym, chain->name);
+ }
}
}
}
/* cleanUpLevel - cleansup the symbol table specified for all the */
/* symbols in the given level */
/*------------------------------------------------------------------*/
-void cleanUpLevel (bucket **table, int level )
+void
+cleanUpLevel (bucket ** table, int level)
{
- int i ;
- bucket *chain;
-
- /* go thru the entire table */
- for ( i = 0 ; i < 256; i++ ) {
- for ( chain = table[i]; chain ; chain = chain->next ) {
- if (chain->level >= level) {
- deleteSym (table,chain->sym,chain->name);
- }
+ int i;
+ bucket *chain;
+
+ /* go thru the entire table */
+ for (i = 0; i < 256; i++)
+ {
+ for (chain = table[i]; chain; chain = chain->next)
+ {
+ if (chain->level >= level)
+ {
+ deleteSym (table, chain->sym, chain->name);
+ }
}
}
}
/*------------------------------------------------------------------*/
/* computeType - computes the resultant type from two types */
/*------------------------------------------------------------------*/
-link *computeType ( link *type1, link *type2)
+sym_link *
+computeType (sym_link * type1, sym_link * type2)
{
- link *rType ;
- link *reType;
- link *etype1 = getSpec(type1);
- link *etype2 = getSpec(type2);
-
- /* if one of them is a float then result is a float */
- /* here we assume that the types passed are okay */
- /* and can be cast to one another */
- /* which ever is greater in size */
- if (IS_FLOAT(etype1) || IS_FLOAT(etype2))
- rType = newFloatLink();
- else
- /* if only one of them is a bit variable
- then the other one prevails */
- if (IS_BITVAR(etype1) && !IS_BITVAR(etype2))
- rType = copyLinkChain(type2);
- else
- if (IS_BITVAR(etype2) && !IS_BITVAR(etype1))
- rType = copyLinkChain(type1);
- else
- /* if one of them is a pointer then that
- prevails */
- if (IS_PTR(type1))
- rType = copyLinkChain(type1);
- else
- if (IS_PTR(type2))
- rType = copyLinkChain(type2);
- else
- if (getSize (type1) > getSize(type2) )
- rType = copyLinkChain(type1);
- else
- rType = copyLinkChain(type2);
-
- reType = getSpec(rType);
-
- /* if either of them unsigned then make this unsigned */
- if ((SPEC_USIGN(etype1) || SPEC_USIGN(etype2)) && !IS_FLOAT(reType))
- SPEC_USIGN(reType) = 1;
-
- /* if result is a literal then make not so */
- if (IS_LITERAL(reType))
- SPEC_SCLS(reType) = S_REGISTER ;
-
- return rType;
+ sym_link *rType;
+ sym_link *reType;
+ sym_link *etype1 = getSpec (type1);
+ sym_link *etype2 = getSpec (type2);
+
+ /* if one of them is a float then result is a float */
+ /* here we assume that the types passed are okay */
+ /* and can be cast to one another */
+ /* which ever is greater in size */
+ if (IS_FLOAT (etype1) || IS_FLOAT (etype2))
+ rType = newFloatLink ();
+ else
+ /* if only one of them is a bit variable
+ then the other one prevails */
+ if (IS_BITVAR (etype1) && !IS_BITVAR (etype2))
+ rType = copyLinkChain (type2);
+ else if (IS_BITVAR (etype2) && !IS_BITVAR (etype1))
+ rType = copyLinkChain (type1);
+ else
+ /* if one of them is a pointer then that
+ prevails */
+ if (IS_PTR (type1))
+ rType = copyLinkChain (type1);
+ else if (IS_PTR (type2))
+ rType = copyLinkChain (type2);
+ else if (getSize (type1) > getSize (type2))
+ rType = copyLinkChain (type1);
+ else
+ rType = copyLinkChain (type2);
+
+ reType = getSpec (rType);
+
+ /* if either of them unsigned then make this unsigned */
+ if ((SPEC_USIGN (etype1) || SPEC_USIGN (etype2)) && !IS_FLOAT (reType))
+ SPEC_USIGN (reType) = 1;
+
+ /* if result is a literal then make not so */
+ if (IS_LITERAL (reType))
+ SPEC_SCLS (reType) = S_REGISTER;
+
+ return rType;
}
/*------------------------------------------------------------------*/
-/* checkType - will do type check return 1 if match */
+/* compareType - will do type check return 1 if match */
/*------------------------------------------------------------------*/
-int checkType ( link *dest, link *src )
+int
+compareType (sym_link * dest, sym_link * src)
{
- if ( !dest && !src)
- return 1;
-
- if (dest && !src)
- return 0;
-
- if (src && !dest)
- return 0;
-
- /* if dest is a declarator then */
- if (IS_DECL(dest)) {
- if (IS_DECL(src)) {
- if (DCL_TYPE(src) == DCL_TYPE(dest))
- return checkType(dest->next,src->next);
- else
- if (IS_PTR(src) && IS_PTR(dest))
- return -1;
- else
- if (IS_PTR(dest) && IS_ARRAY(src))
- return -1;
- else
- if (IS_PTR(dest) && IS_FUNC(dest->next) && IS_FUNC(src))
- return -1 * checkType (dest->next,src) ;
- else
- return 0;
- }
- else
- if (IS_PTR(dest) && IS_INTEGRAL(src))
- return -1;
- else
- return 0;
- }
-
- /* if one of them is a void then ok */
- if (SPEC_NOUN(dest) == V_VOID &&
- SPEC_NOUN(src) != V_VOID )
- return -1 ;
-
- if (SPEC_NOUN(dest) != V_VOID &&
- SPEC_NOUN(src) == V_VOID )
- return -1;
-
- /* char === to short */
- if (SPEC_NOUN(dest) == V_CHAR &&
- SPEC_NOUN(src) == V_INT &&
- SPEC_SHORT(src) )
- return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
-
- if (SPEC_NOUN(src) == V_CHAR &&
- SPEC_NOUN(dest) == V_INT &&
- SPEC_SHORT(dest) )
- return (SPEC_USIGN(src) == SPEC_USIGN(dest) ? 1 : -2);
-
- /* if they are both bitfields then if the lengths
- and starts don't match */
- if (IS_BITFIELD(dest) && IS_BITFIELD(src) &&
- (SPEC_BLEN(dest) != SPEC_BLEN(src) ||
- SPEC_BSTR(dest) != SPEC_BSTR(src)))
- return -1;
+ if (!dest && !src)
+ return 1;
- /* it is a specifier */
- if (SPEC_NOUN(dest) != SPEC_NOUN(src)) {
- if (SPEC_USIGN(dest) == SPEC_USIGN(src) &&
- IS_INTEGRAL(dest) && IS_INTEGRAL(src) &&
- getSize(dest) == getSize(src))
- return 1;
- else
- if (IS_ARITHMETIC(dest) && IS_ARITHMETIC(src))
- return -1;
- else
+ if (dest && !src)
+ return 0;
+
+ if (src && !dest)
+ return 0;
+
+ /* if dest is a declarator then */
+ if (IS_DECL (dest))
+ {
+ if (IS_DECL (src))
+ {
+ if (DCL_TYPE (src) == DCL_TYPE (dest))
+ return compareType (dest->next, src->next);
+ else if (IS_PTR (src) && IS_PTR (dest))
+ return -1;
+ else if (IS_PTR (dest) && IS_ARRAY (src))
+ return -1;
+ else if (IS_PTR (dest) && IS_FUNC (dest->next) && IS_FUNC (src))
+ return -1 * compareType (dest->next, src);
+ else
return 0;
- }
- else
- if (IS_STRUCT(dest)) {
- if (SPEC_STRUCT(dest) != SPEC_STRUCT(src))
- return 0 ;
- else
- return 1 ;
}
- if (SPEC_LONG(dest) != SPEC_LONG(src))
+ else if (IS_PTR (dest) && IS_INTEGRAL (src))
return -1;
-
- if (SPEC_SHORT(dest) != SPEC_SHORT(src))
+ else
+ return 0;
+ }
+
+ /* if one is a specifier and the other is not */
+ if ((IS_SPEC (src) && !IS_SPEC (dest)) ||
+ (IS_SPEC (dest) && !IS_SPEC (src)))
+ return 0;
+
+ /* if one of them is a void then ok */
+ if (SPEC_NOUN (dest) == V_VOID &&
+ SPEC_NOUN (src) != V_VOID)
+ return -1;
+
+ if (SPEC_NOUN (dest) != V_VOID &&
+ SPEC_NOUN (src) == V_VOID)
+ return -1;
+
+ /* if they are both bitfields then if the lengths
+ and starts don't match */
+ if (IS_BITFIELD (dest) && IS_BITFIELD (src) &&
+ (SPEC_BLEN (dest) != SPEC_BLEN (src) ||
+ SPEC_BSTR (dest) != SPEC_BSTR (src)))
+ return -1;
+
+ /* it is a specifier */
+ if (SPEC_NOUN (dest) != SPEC_NOUN (src))
+ {
+ if (SPEC_USIGN (dest) == SPEC_USIGN (src) &&
+ IS_INTEGRAL (dest) && IS_INTEGRAL (src) &&
+ getSize (dest) == getSize (src))
+ return 1;
+ else if (IS_ARITHMETIC (dest) && IS_ARITHMETIC (src))
return -1;
-
- if (SPEC_USIGN(dest) != SPEC_USIGN(src))
- return -2;
-
- return 1;
+ else
+ return 0;
+ }
+ else if (IS_STRUCT (dest))
+ {
+ if (SPEC_STRUCT (dest) != SPEC_STRUCT (src))
+ return 0;
+ else
+ return 1;
+ }
+ if (SPEC_LONG (dest) != SPEC_LONG (src))
+ return -1;
+
+ if (SPEC_USIGN (dest) != SPEC_USIGN (src))
+ return -2;
+
+ return 1;
}
/*------------------------------------------------------------------*/
-/* inCalleeSaveList - return 1 if found in calle save list */
+/* inCalleeSaveList - return 1 if found in callee save list */
/*------------------------------------------------------------------*/
-bool inCalleeSaveList ( char *s)
+bool
+inCalleeSaveList (char *s)
{
- int i;
-
- for (i = 0 ; options.calleeSaves[i] ; i++ )
- if (strcmp(options.calleeSaves[i],s) == 0)
- return 1;
+ int i;
- return 0;
+ for (i = 0; options.calleeSaves[i]; i++)
+ if (strcmp (options.calleeSaves[i], s) == 0)
+ return 1;
+
+ return 0;
}
+/*-----------------------------------------------------------------*/
+/* aggregateArgToPointer: change an agggregate type function */
+/* argument to a pointer to that type. */
+/*-----------------------------------------------------------------*/
+void
+aggregateArgToPointer (value * val)
+{
+ if (IS_AGGREGATE (val->type))
+ {
+ /* if this is a structure */
+ /* then we need to add a new link */
+ if (IS_STRUCT (val->type))
+ {
+ /* first lets add DECLARATOR type */
+ sym_link *p = val->type;
+
+ werror (W_STRUCT_AS_ARG, val->name);
+ val->type = newLink ();
+ val->type->next = p;
+ }
+
+ /* change to a pointer depending on the */
+ /* storage class specified */
+ switch (SPEC_SCLS (val->etype))
+ {
+ case S_IDATA:
+ DCL_TYPE (val->type) = IPOINTER;
+ break;
+ case S_PDATA:
+ DCL_TYPE (val->type) = PPOINTER;
+ break;
+ case S_FIXED:
+ if (TARGET_IS_DS390)
+ {
+ /* The AUTO and REGISTER classes should probably
+ * also become generic pointers, but I haven't yet
+ * devised a test case for that.
+ */
+ DCL_TYPE (val->type) = GPOINTER;
+ break;
+ }
+ /* fall through! */
+ case S_AUTO:
+ case S_DATA:
+ case S_REGISTER:
+ DCL_TYPE (val->type) = POINTER;
+ break;
+ case S_CODE:
+ DCL_TYPE (val->type) = CPOINTER;
+ break;
+ case S_XDATA:
+ DCL_TYPE (val->type) = FPOINTER;
+ break;
+ case S_EEPROM:
+ DCL_TYPE (val->type) = EEPPOINTER;
+ break;
+ default:
+ DCL_TYPE (val->type) = GPOINTER;
+ }
+
+ /* is there is a symbol associated then */
+ /* change the type of the symbol as well */
+ if (val->sym)
+ {
+ val->sym->type = copyLinkChain (val->type);
+ val->sym->etype = getSpec (val->sym->type);
+ }
+ }
+}
/*------------------------------------------------------------------*/
/* checkFunction - does all kinds of check on a function */
/*------------------------------------------------------------------*/
-int checkFunction (symbol *sym)
+int
+checkFunction (symbol * sym)
{
- symbol *csym ;
- value *exargs, *acargs ;
- int argCnt = 0 ;
-
- /* if not type then some kind of error */
- if ( !sym->type )
- return 0;
-
- /* if the function has no type then make it return int */
- if ( !sym->type->next )
- sym->type->next = sym->etype = newIntLink();
-
- /* function cannot return aggregate */
- if (IS_AGGREGATE(sym->type->next)) {
- werror(E_FUNC_AGGR,sym->name);
- return 0;
- }
-
- /* function cannot return bit */
- if (IS_BITVAR(sym->type->next)) {
- werror(E_FUNC_BIT,sym->name);
- return 0;
+ symbol *csym;
+ value *exargs, *acargs;
+ value *checkValue;
+ int argCnt = 0;
+
+ if (getenv("DEBUG_SANITY")) {
+ fprintf (stderr, "checkFunction: %s ", sym->name);
+ }
+
+ /* make sure the type is complete and sane */
+ checkTypeSanity(((symbol *)sym)->etype, ((symbol *)sym)->name);
+
+ /* if not type then some kind of error */
+ if (!sym->type)
+ return 0;
+
+ /* if the function has no type then make it return int */
+ if (!sym->type->next)
+ sym->type->next = sym->etype = newIntLink ();
+
+ /* function cannot return aggregate */
+ if (IS_AGGREGATE (sym->type->next))
+ {
+ werror (E_FUNC_AGGR, sym->name);
+ return 0;
}
-
- /* check if this function is defined as calleeSaves
- then mark it as such */
- sym->calleeSave = inCalleeSaveList(sym->name);
-
- /* if interrupt service routine */
- /* then it cannot have arguments */
- if ( sym->args && IS_ISR(sym->etype) && !IS_VOID(sym->args->type)) {
- werror(E_INT_ARGS,sym->name);
- sym->args = NULL ;
- }
-
- if (!(csym = findSym (SymbolTab, sym, sym->name )))
- return 1 ; /* not defined nothing more to check */
-
- /* check if body already present */
- if ( csym && csym->fbody ) {
- werror(E_FUNC_BODY,sym->name);
- return 0;
+
+ /* function cannot return bit */
+ if (IS_BITVAR (sym->type->next))
+ {
+ werror (E_FUNC_BIT, sym->name);
+ return 0;
}
-
- /* check the return value type */
- if (checkType (csym->type,sym->type) <= 0) {
- werror(E_PREV_DEF_CONFLICT,csym->name,"type") ;
- werror (E_CONTINUE,"previous defintion type ");
- printTypeChain(csym->type,stderr);fprintf(stderr,"\n");
- werror (E_CONTINUE,"current definition type ");
- printTypeChain(sym->type,stderr);fprintf(stderr,"\n");
- return 0;
+
+ /* check if this function is defined as calleeSaves
+ then mark it as such */
+ sym->calleeSave = inCalleeSaveList (sym->name);
+
+ /* if interrupt service routine */
+ /* then it cannot have arguments */
+ if (sym->args && IS_ISR (sym->etype) && !IS_VOID (sym->args->type))
+ {
+ werror (E_INT_ARGS, sym->name);
+ sym->args = NULL;
}
- if ( SPEC_INTRTN(csym->etype) != SPEC_INTRTN(sym->etype)) {
- werror (E_PREV_DEF_CONFLICT,csym->name,"interrupt");
- return 0;
+ if (!(csym = findSym (SymbolTab, sym, sym->name)))
+ return 1; /* not defined nothing more to check */
+
+ /* check if body already present */
+ if (csym && csym->fbody)
+ {
+ werror (E_FUNC_BODY, sym->name);
+ return 0;
}
- if (SPEC_BANK(csym->etype) != SPEC_BANK(sym->etype)) {
- werror (E_PREV_DEF_CONFLICT,csym->name,"using");
- return 0;
+ /* check the return value type */
+ if (compareType (csym->type, sym->type) <= 0)
+ {
+ werror (E_PREV_DEF_CONFLICT, csym->name, "type");
+ werror (E_CONTINUE, "previous definition type ");
+ printTypeChain (csym->type, stderr);
+ fprintf (stderr, "\n");
+ werror (E_CONTINUE, "current definition type ");
+ printTypeChain (sym->type, stderr);
+ fprintf (stderr, "\n");
+ return 0;
}
- /* compare expected agrs with actual args */
- exargs = csym->args ;
- acargs = sym->args ;
-
- /* for all the expected args do */
- for (argCnt = 1 ;
- exargs && acargs ;
- exargs = exargs->next, acargs = acargs->next, argCnt++ ) {
- if ( checkType(exargs->type,acargs->type) <= 0) {
- werror(E_ARG_TYPE,argCnt);
- return 0;
+ if (SPEC_INTRTN (csym->etype) != SPEC_INTRTN (sym->etype))
+ {
+ werror (E_PREV_DEF_CONFLICT, csym->name, "interrupt");
+ }
+
+ if (SPEC_BANK (csym->etype) != SPEC_BANK (sym->etype))
+ {
+ werror (E_PREV_DEF_CONFLICT, csym->name, "using");
+ }
+
+ if (SPEC_NAKED (csym->etype) != SPEC_NAKED (sym->etype))
+ {
+ werror (E_PREV_DEF_CONFLICT, csym->name, "_naked");
+ }
+
+ /* compare expected agrs with actual args */
+ exargs = csym->args;
+ acargs = sym->args;
+
+ /* for all the expected args do */
+ for (argCnt = 1;
+ exargs && acargs;
+ exargs = exargs->next, acargs = acargs->next, argCnt++)
+ {
+ if (getenv("DEBUG_SANITY")) {
+ fprintf (stderr, "checkFunction: %s ", exargs->name);
+ }
+ /* make sure the type is complete and sane */
+ checkTypeSanity(exargs->etype, exargs->name);
+
+ /* If the actual argument is an array, any prototype
+ * will have modified it to a pointer. Duplicate that
+ * change here.
+ */
+ if (IS_AGGREGATE (acargs->type))
+ {
+ checkValue = copyValue (acargs);
+ aggregateArgToPointer (checkValue);
+ }
+ else
+ {
+ checkValue = acargs;
+ }
+
+ if (compareType (exargs->type, checkValue->type) <= 0)
+ {
+ werror (E_ARG_TYPE, argCnt);
+ return 0;
}
}
-
- /* if one them ended we have a problem */
- if ((exargs && !acargs && !IS_VOID(exargs->type)) ||
- (!exargs && acargs && !IS_VOID(acargs->type)))
- werror(E_ARG_COUNT);
-
- /* replace with this defition */
- sym->cdef = csym->cdef;
- deleteSym (SymbolTab,csym,csym->name);
- addSym (SymbolTab,sym,sym->name,sym->level,sym->block);
- if (IS_EXTERN(csym->etype) && !
- IS_EXTERN(sym->etype)) {
- addSet(&publics,sym);
- }
- return 1 ;
+
+ /* if one them ended we have a problem */
+ if ((exargs && !acargs && !IS_VOID (exargs->type)) ||
+ (!exargs && acargs && !IS_VOID (acargs->type)))
+ werror (E_ARG_COUNT);
+
+ /* replace with this defition */
+ sym->cdef = csym->cdef;
+ deleteSym (SymbolTab, csym, csym->name);
+ addSym (SymbolTab, sym, sym->name, sym->level, sym->block, 1);
+ if (IS_EXTERN (csym->etype) && !
+ IS_EXTERN (sym->etype))
+ {
+ addSet (&publics, sym);
+ }
+ return 1;
}
/*-----------------------------------------------------------------*/
/* processFuncArgs - does some processing with function args */
/*-----------------------------------------------------------------*/
-void processFuncArgs (symbol *func, int ignoreName)
+void
+processFuncArgs (symbol * func, int ignoreName)
{
- value *val ;
- int pNum = 1;
-
-
- /* if this function has variable argument list */
- /* then make the function a reentrant one */
- if (func->hasVargs)
- SPEC_RENT(func->etype) = 1;
-
- /* check if this function is defined as calleeSaves
- then mark it as such */
- func->calleeSave = inCalleeSaveList(func->name);
-
- val = func->args; /* loop thru all the arguments */
-
- /* if it is void then remove parameters */
- if (val && IS_VOID(val->type)) {
- func->args = NULL ;
- return ;
- }
-
- /* reset regparm for the port */
- (*port->reset_regparms)();
- /* if any of the arguments is an aggregate */
- /* change it to pointer to the same type */
- while (val) {
- /* mark it as a register parameter if
- the function does not have VA_ARG
- and as port dictates
- not inhibited by command line option or #pragma */
- if (!func->hasVargs &&
- !options.noregparms &&
- !IS_RENT(func->etype) &&
- (*port->reg_parm)(val->type)) {
- SPEC_REGPARM(val->etype) = 1;
+ value *val;
+ int pNum = 1;
+
+ /* if this function has variable argument list */
+ /* then make the function a reentrant one */
+ if (func->hasVargs)
+ SPEC_RENT (func->etype) = 1;
+
+ /* check if this function is defined as calleeSaves
+ then mark it as such */
+ func->calleeSave = inCalleeSaveList (func->name);
+
+ val = func->args; /* loop thru all the arguments */
+
+ /* if it is void then remove parameters */
+ if (val && IS_VOID (val->type))
+ {
+ func->args = NULL;
+ return;
+ }
+
+ /* reset regparm for the port */
+ (*port->reset_regparms) ();
+ /* if any of the arguments is an aggregate */
+ /* change it to pointer to the same type */
+ while (val)
+ {
+ /* mark it as a register parameter if
+ the function does not have VA_ARG
+ and as port dictates */
+ if (!func->hasVargs &&
+ (*port->reg_parm) (val->type))
+ {
+ SPEC_REGPARM (val->etype) = 1;
}
-
- if ( IS_AGGREGATE(val->type)) {
- /* if this is a structure */
- /* then we need to add a new link */
- if (IS_STRUCT(val->type)) {
- /* first lets add DECLARATOR type */
- link *p = val->type ;
-
- werror(W_STRUCT_AS_ARG,val->name);
- val->type = newLink();
- val->type->next = p ;
- }
-
- /* change to a pointer depending on the */
- /* storage class specified */
- switch (SPEC_SCLS(val->etype)) {
- case S_IDATA:
- DCL_TYPE(val->type) = IPOINTER;
- break;
- case S_PDATA:
- DCL_TYPE(val->type) = PPOINTER;
- break;
- case S_FIXED:
- case S_AUTO:
- case S_DATA:
- case S_REGISTER:
- DCL_TYPE(val->type) = POINTER ;
- break;
- case S_CODE:
- DCL_TYPE(val->type) = CPOINTER;
- break;
- case S_XDATA:
- DCL_TYPE(val->type) = FPOINTER;
- break;
- case S_EEPROM:
- DCL_TYPE(val->type) = EEPPOINTER;
- break;
- default :
- DCL_TYPE(val->type) = GPOINTER;
- }
-
- /* is there is a symbol associated then */
- /* change the type of the symbol as well*/
- if ( val->sym ) {
- val->sym->type = copyLinkChain(val->type);
- val->sym->etype = getSpec(val->sym->type);
- }
+
+ if (IS_AGGREGATE (val->type))
+ {
+ aggregateArgToPointer (val);
}
-
- val = val->next ;
- pNum++;
+ val = val->next;
+ pNum++;
+ }
+
+ /* if this is an internal generated function call */
+ if (func->cdef) {
+ /* ignore --stack-auto for this one, we don't know how it is compiled */
+ /* simply trust on --int-long-reent or --float-reent */
+ if (IS_RENT(func->etype)) {
+ return;
}
-
+ } else {
/* if this function is reentrant or */
/* automatics r 2b stacked then nothing */
- if (IS_RENT(func->etype) || options.stackAuto )
- return ;
-
- val = func->args;
- pNum = 1;
- while (val) {
-
- /* if a symbolname is not given */
- /* synthesize a variable name */
- if (!val->sym) {
-
- sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
- val->sym = newSymbol(val->name,1);
- SPEC_OCLS(val->etype) = (options.model ? xdata : data);
- val->sym->type = copyLinkChain (val->type);
- val->sym->etype = getSpec (val->sym->type);
- val->sym->_isparm = 1;
- strcpy (val->sym->rname,val->name);
- SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
- SPEC_STAT(func->etype);
- addSymChain(val->sym);
-
+ if (IS_RENT (func->etype) || options.stackAuto)
+ return;
+ }
+
+ val = func->args;
+ pNum = 1;
+ while (val)
+ {
+
+ /* if a symbolname is not given */
+ /* synthesize a variable name */
+ if (!val->sym)
+ {
+
+ sprintf (val->name, "_%s_PARM_%d", func->name, pNum++);
+ val->sym = newSymbol (val->name, 1);
+ SPEC_OCLS (val->etype) = port->mem.default_local_map;
+ val->sym->type = copyLinkChain (val->type);
+ val->sym->etype = getSpec (val->sym->type);
+ val->sym->_isparm = 1;
+ strcpy (val->sym->rname, val->name);
+ SPEC_STAT (val->etype) = SPEC_STAT (val->sym->etype) =
+ SPEC_STAT (func->etype);
+ addSymChain (val->sym);
+
}
- else /* symbol name given create synth name */ {
-
- sprintf(val->name,"_%s_PARM_%d",func->name,pNum++);
- strcpy (val->sym->rname,val->name);
- val->sym->_isparm = 1;
- SPEC_OCLS(val->etype) = SPEC_OCLS(val->sym->etype) =
- (options.model ? xdata : data);
- SPEC_STAT(val->etype) = SPEC_STAT(val->sym->etype) =
- SPEC_STAT(func->etype);
+ else /* symbol name given create synth name */
+ {
+
+ sprintf (val->name, "_%s_PARM_%d", func->name, pNum++);
+ strcpy (val->sym->rname, val->name);
+ val->sym->_isparm = 1;
+ SPEC_OCLS (val->etype) = SPEC_OCLS (val->sym->etype) =
+ (options.model != MODEL_SMALL ? xdata : data);
+ SPEC_STAT (val->etype) = SPEC_STAT (val->sym->etype) =
+ SPEC_STAT (func->etype);
}
- val = val->next ;
+ val = val->next;
}
}
/*-----------------------------------------------------------------*/
/* isSymbolEqual - compares two symbols return 1 if they match */
/*-----------------------------------------------------------------*/
-int isSymbolEqual (symbol *dest, symbol *src)
+int
+isSymbolEqual (symbol * dest, symbol * src)
{
- /* if pointers match then equal */
- if (dest == src)
- return 1;
+ /* if pointers match then equal */
+ if (dest == src)
+ return 1;
- /* if one of them is null then don't match */
- if (!dest || !src)
- return 0;
-
- /* if both of them have rname match on rname */
- if (dest->rname[0] && src->rname[0])
- return (!strcmp(dest->rname,src->rname));
-
- /* otherwise match on name */
- return (!strcmp(dest->name,src->name));
+ /* if one of them is null then don't match */
+ if (!dest || !src)
+ return 0;
+
+ /* if both of them have rname match on rname */
+ if (dest->rname[0] && src->rname[0])
+ return (!strcmp (dest->rname, src->rname));
+
+ /* otherwise match on name */
+ return (!strcmp (dest->name, src->name));
}
-/*-----------------------------------------------------------------*/
+void PT(sym_link *type)
+{
+ printTypeChain(type,0);
+}
+/*-----------------------------------------------------------------*/
/* printTypeChain - prints the type chain in human readable form */
-/*-----------------------------------------------------------------*/
-void printTypeChain (link *type, FILE *of)
+/*-----------------------------------------------------------------*/
+void
+printTypeChain (sym_link * type, FILE * of)
{
- int nlr = 0;
+ int nlr = 0;
- if (!of) {
- of = stdout;
- nlr = 1;
+ if (!of)
+ {
+ of = stdout;
+ nlr = 1;
}
- while (type) {
- if (IS_DECL(type)) {
- switch (DCL_TYPE(type)) {
+ while (type)
+ {
+ if (IS_DECL (type))
+ {
+ if (DCL_PTR_VOLATILE(type)) {
+ fprintf (of, "volatile ");
+ }
+ switch (DCL_TYPE (type))
+ {
case FUNCTION:
- fprintf (of,"function ");
- break;
+ fprintf (of, "function ");
+ break;
case GPOINTER:
- fprintf (of,"_generic * ");
- if (DCL_PTR_CONST(type))
- fprintf(of,"const ");
- break;
+ fprintf (of, "_generic * ");
+ if (DCL_PTR_CONST (type))
+ fprintf (of, "const ");
+ break;
case CPOINTER:
- fprintf (of,"_code * ");
- if (DCL_PTR_CONST(type))
- fprintf(of,"const ");
- break;
+ fprintf (of, "_code * ");
+ if (DCL_PTR_CONST (type))
+ fprintf (of, "const ");
+ break;
case FPOINTER:
- fprintf (of,"_far * ");
- if (DCL_PTR_CONST(type))
- fprintf(of,"const ");
- break;
+ fprintf (of, "_far * ");
+ if (DCL_PTR_CONST (type))
+ fprintf (of, "const ");
+ break;
case EEPPOINTER:
- fprintf (of,"_eeprom * ");
- if (DCL_PTR_CONST(type))
- fprintf(of,"const ");
- break;
-
+ fprintf (of, "_eeprom * ");
+ if (DCL_PTR_CONST (type))
+ fprintf (of, "const ");
+ break;
+
case POINTER:
- fprintf (of,"_near * ");
- if (DCL_PTR_CONST(type))
- fprintf(of,"const ");
- break;
+ fprintf (of, "_near * ");
+ if (DCL_PTR_CONST (type))
+ fprintf (of, "const ");
+ break;
case IPOINTER:
- fprintf (of,"_idata *");
- if (DCL_PTR_CONST(type))
- fprintf(of,"const ");
- break;
+ fprintf (of, "_idata *");
+ if (DCL_PTR_CONST (type))
+ fprintf (of, "const ");
+ break;
case PPOINTER:
- fprintf (of,"_pdata *");
- if (DCL_PTR_CONST(type))
- fprintf(of,"const ");
- break;
+ fprintf (of, "_pdata *");
+ if (DCL_PTR_CONST (type))
+ fprintf (of, "const ");
+ break;
case UPOINTER:
- fprintf (of," _unkown *");
- if (DCL_PTR_CONST(type))
- fprintf(of,"const ");
- break;
-
- case ARRAY :
- fprintf (of,"array of ");
- break;
+ fprintf (of, " _unkown *");
+ if (DCL_PTR_CONST (type))
+ fprintf (of, "const ");
+ break;
+ case ARRAY:
+ fprintf (of, "array of ");
+ break;
}
- } else {
- if (SPEC_VOLATILE(type))
- fprintf (of,"volatile ");
- if (SPEC_USIGN(type))
- fprintf (of,"unsigned ");
-
- switch (SPEC_NOUN(type)) {
+ }
+ else
+ {
+ if (SPEC_VOLATILE (type))
+ fprintf (of, "volatile ");
+ if (SPEC_USIGN (type))
+ fprintf (of, "unsigned ");
+ if (SPEC_CONST (type))
+ fprintf (of, "const ");
+
+ switch (SPEC_NOUN (type))
+ {
case V_INT:
- if (IS_LONG(type))
- fprintf (of,"long ");
- else
- if (IS_SHORT(type))
- fprintf (of,"short ");
- else
- fprintf (of,"int ");
- break;
+ if (IS_LONG (type))
+ fprintf (of, "long ");
+ fprintf (of, "int ");
+ break;
case V_CHAR:
- fprintf(of,"char ");
- break;
+ fprintf (of, "char ");
+ break;
case V_VOID:
- fprintf(of,"void ");
- break;
+ fprintf (of, "void ");
+ break;
- case V_FLOAT:
- fprintf(of,"float ");
- break;
+ case V_FLOAT:
+ fprintf (of, "float ");
+ break;
case V_STRUCT:
- fprintf(of,"struct %s",SPEC_STRUCT(type)->tag);
- break;
-
+ fprintf (of, "struct %s", SPEC_STRUCT (type)->tag);
+ break;
+
case V_SBIT:
- fprintf(of,"sbit ");
- break;
+ fprintf (of, "sbit ");
+ break;
case V_BIT:
- fprintf(of,"bit {%d,%d}",SPEC_BSTR(type),SPEC_BLEN(type));
- break;
-
+ fprintf (of, "bit {%d,%d}", SPEC_BSTR (type), SPEC_BLEN (type));
+ break;
+
+ case V_DOUBLE:
+ fprintf (of, "double ");
+ break;
+
default:
- break;
+ fprintf (of, "unknown type ");
+ break;
}
}
- type = type->next;
+ type = type->next;
}
- if (nlr)
- fprintf(of,"\n");
+ if (nlr)
+ fprintf (of, "\n");
}
-/*-----------------------------------------------------------------*/
+/*-----------------------------------------------------------------*/
/* cdbTypeInfo - print the type information for debugger */
/*-----------------------------------------------------------------*/
-void cdbTypeInfo (link *type,FILE *of)
+void
+cdbTypeInfo (sym_link * type, FILE * of)
{
- fprintf(of,"{%d}",getSize(type));
- while (type) {
- if (IS_DECL(type)) {
- switch (DCL_TYPE(type)) {
+ fprintf (of, "{%d}", getSize (type));
+ while (type)
+ {
+ if (IS_DECL (type))
+ {
+ switch (DCL_TYPE (type))
+ {
case FUNCTION:
- fprintf (of,"DF,");
- break;
+ fprintf (of, "DF,");
+ break;
case GPOINTER:
- fprintf (of,"DG,");
- break;
+ fprintf (of, "DG,");
+ break;
case CPOINTER:
- fprintf (of,"DC,");
- break;
+ fprintf (of, "DC,");
+ break;
case FPOINTER:
- fprintf (of,"DX,");
- break;
+ fprintf (of, "DX,");
+ break;
case POINTER:
- fprintf (of,"DD,");
- break;
+ fprintf (of, "DD,");
+ break;
case IPOINTER:
- fprintf (of,"DI,");
- break;
+ fprintf (of, "DI,");
+ break;
case PPOINTER:
- fprintf (of,"DP,");
- break;
+ fprintf (of, "DP,");
+ break;
case EEPPOINTER:
- fprintf (of,"DA,");
- break;
- case ARRAY :
- fprintf (of,"DA%d,",DCL_ELEM(type));
- break;
+ fprintf (of, "DA,");
+ break;
+ case ARRAY:
+ fprintf (of, "DA%d,", DCL_ELEM (type));
+ break;
default:
- break;
+ break;
}
- } else {
- switch (SPEC_NOUN(type)) {
+ }
+ else
+ {
+ switch (SPEC_NOUN (type))
+ {
case V_INT:
- if (IS_LONG(type))
- fprintf (of,"SL");
- else
- if (IS_SHORT(type))
- fprintf (of,"SS");
- else
- fprintf (of,"SI");
- break;
+ if (IS_LONG (type))
+ fprintf (of, "SL");
+ else
+ fprintf (of, "SI");
+ break;
case V_CHAR:
- fprintf(of,"SC");
- break;
+ fprintf (of, "SC");
+ break;
case V_VOID:
- fprintf(of,"SV");
- break;
+ fprintf (of, "SV");
+ break;
- case V_FLOAT:
- fprintf(of,"SF");
- break;
+ case V_FLOAT:
+ fprintf (of, "SF");
+ break;
case V_STRUCT:
- fprintf(of,"ST%s",SPEC_STRUCT(type)->tag);
- break;
-
+ fprintf (of, "ST%s", SPEC_STRUCT (type)->tag);
+ break;
+
case V_SBIT:
- fprintf(of,"SX");
- break;
+ fprintf (of, "SX");
+ break;
case V_BIT:
- fprintf(of,"SB%d$%d",SPEC_BSTR(type),SPEC_BLEN(type));
- break;
+ fprintf (of, "SB%d$%d", SPEC_BSTR (type), SPEC_BLEN (type));
+ break;
default:
- break;
+ break;
}
- fputs(":",of);
- if (SPEC_USIGN(type))
- fputs("U",of);
- else
- fputs("S",of);
+ fputs (":", of);
+ if (SPEC_USIGN (type))
+ fputs ("U", of);
+ else
+ fputs ("S", of);
}
- type = type->next;
+ type = type->next;
}
}
-/*-----------------------------------------------------------------*/
+/*-----------------------------------------------------------------*/
/* cdbSymbol - prints a symbol & its type information for debugger */
-/*-----------------------------------------------------------------*/
-void cdbSymbol ( symbol *sym, FILE *of, int isStructSym, int isFunc)
+/*-----------------------------------------------------------------*/
+void
+cdbSymbol (symbol * sym, FILE * of, int isStructSym, int isFunc)
{
- memmap *map;
-
- if (!sym)
- return ;
- if (!of)
- of = stdout;
-
- if (isFunc)
- fprintf(of,"F:");
- else
- fprintf(of,"S:"); /* symbol record */
- /* if this is not a structure symbol then
- we need to figure out the scope information */
- if (!isStructSym) {
- if (!sym->level) {
- /* global */
- if (IS_STATIC(sym->etype))
- fprintf(of,"F%s$",moduleName); /* scope is file */
- else
- fprintf(of,"G$"); /* scope is global */
+ memmap *map;
+
+ if (!sym)
+ return;
+ if (!of)
+ of = stdout;
+
+ if (isFunc)
+ fprintf (of, "F:");
+ else
+ fprintf (of, "S:"); /* symbol record */
+ /* if this is not a structure symbol then
+ we need to figure out the scope information */
+ if (!isStructSym)
+ {
+ if (!sym->level)
+ {
+ /* global */
+ if (IS_STATIC (sym->etype))
+ fprintf (of, "F%s$", moduleName); /* scope is file */
+ else
+ fprintf (of, "G$"); /* scope is global */
}
- else
- /* symbol is local */
- fprintf(of,"L%s$",(sym->localof ? sym->localof->name : "-null-"));
- } else
- fprintf(of,"S$"); /* scope is structure */
-
- /* print the name, & mangled name */
- fprintf(of,"%s$%d$%d(",sym->name,
- sym->level,sym->block);
-
- cdbTypeInfo(sym->type,of);
- fprintf(of,"),");
-
- /* print the address space */
- map = SPEC_OCLS(sym->etype);
- fprintf(of,"%c,%d,%d",
- (map ? map->dbName : 'Z') ,sym->onStack,SPEC_STAK(sym->etype));
-
- /* if assigned to registers then output register names */
- /* if this is a function then print
- if is it an interrupt routine & interrupt number
- and the register bank it is using */
- if (isFunc)
- fprintf(of,",%d,%d,%d",SPEC_INTRTN(sym->etype),
- SPEC_INTN(sym->etype),SPEC_BANK(sym->etype));
- /* alternate location to find this symbol @ : eg registers
- or spillication */
-
- if (!isStructSym)
- fprintf(of,"\n");
-}
-
-/*-----------------------------------------------------------------*/
+ else
+ /* symbol is local */
+ fprintf (of, "L%s$", (sym->localof ? sym->localof->name : "-null-"));
+ }
+ else
+ fprintf (of, "S$"); /* scope is structure */
+
+ /* print the name, & mangled name */
+ fprintf (of, "%s$%d$%d(", sym->name,
+ sym->level, sym->block);
+
+ cdbTypeInfo (sym->type, of);
+ fprintf (of, "),");
+
+ /* print the address space */
+ map = SPEC_OCLS (sym->etype);
+ fprintf (of, "%c,%d,%d",
+ (map ? map->dbName : 'Z'), sym->onStack, SPEC_STAK (sym->etype));
+
+ /* if assigned to registers then output register names */
+ /* if this is a function then print
+ if is it an interrupt routine & interrupt number
+ and the register bank it is using */
+ if (isFunc)
+ fprintf (of, ",%d,%d,%d", SPEC_INTRTN (sym->etype),
+ SPEC_INTN (sym->etype), SPEC_BANK (sym->etype));
+ /* alternate location to find this symbol @ : eg registers
+ or spillication */
+
+ if (!isStructSym)
+ fprintf (of, "\n");
+}
+
+/*-----------------------------------------------------------------*/
/* cdbStruct - print a structure for debugger */
/*-----------------------------------------------------------------*/
-void cdbStruct ( structdef *sdef,int block,FILE *of,
- int inStruct, char *tag)
+void
+cdbStruct (structdef * sdef, int block, FILE * of,
+ int inStruct, char *tag)
{
- symbol *sym;
-
- fprintf(of,"T:");
- /* if block # then must have function scope */
- fprintf(of,"F%s$",moduleName);
- fprintf(of,"%s[",(tag ? tag : sdef->tag));
- for (sym=sdef->fields ; sym ; sym = sym->next) {
- fprintf(of,"({%d}",sym->offset);
- cdbSymbol(sym,of,TRUE,FALSE);
- fprintf(of,")");
- }
- fprintf(of,"]");
- if (!inStruct)
- fprintf(of,"\n");
+ symbol *sym;
+
+ fprintf (of, "T:");
+ /* if block # then must have function scope */
+ fprintf (of, "F%s$", moduleName);
+ fprintf (of, "%s[", (tag ? tag : sdef->tag));
+ for (sym = sdef->fields; sym; sym = sym->next)
+ {
+ fprintf (of, "({%d}", sym->offset);
+ cdbSymbol (sym, of, TRUE, FALSE);
+ fprintf (of, ")");
+ }
+ fprintf (of, "]");
+ if (!inStruct)
+ fprintf (of, "\n");
}
/*------------------------------------------------------------------*/
/* cdbStructBlock - calls struct printing for a blcks */
/*------------------------------------------------------------------*/
-void cdbStructBlock (int block , FILE *of)
-{
- int i ;
- bucket **table = StructTab;
- bucket *chain;
- wassert(of);
-
- /* go thru the entire table */
- for ( i = 0 ; i < 256; i++ ) {
- for ( chain = table[i]; chain ; chain = chain->next ) {
- if (chain->block >= block) {
- cdbStruct((structdef *)chain->sym, chain->block ,of,0,NULL);
- }
+void
+cdbStructBlock (int block, FILE * of)
+{
+ int i;
+ bucket **table = StructTab;
+ bucket *chain;
+ wassert (of);
+
+ /* go thru the entire table */
+ for (i = 0; i < 256; i++)
+ {
+ for (chain = table[i]; chain; chain = chain->next)
+ {
+ if (chain->block >= block)
+ {
+ cdbStruct ((structdef *) chain->sym, chain->block, of, 0, NULL);
+ }
}
}
}
-
-/*-----------------------------------------------------------------*/
+
+/*-----------------------------------------------------------------*/
/* powof2 - returns power of two for the number if number is pow 2 */
-/*-----------------------------------------------------------------*/
-int powof2 (unsigned long num)
+/*-----------------------------------------------------------------*/
+int
+powof2 (unsigned long num)
{
- int nshifts = 0;
- int n1s = 0 ;
-
- while (num) {
- if (num & 1) n1s++ ;
- num >>= 1 ;
- nshifts++ ;
- }
-
- if (n1s > 1 || nshifts == 0) return 0;
- return nshifts - 1 ;
+ int nshifts = 0;
+ int n1s = 0;
+
+ while (num)
+ {
+ if (num & 1)
+ n1s++;
+ num >>= 1;
+ nshifts++;
+ }
+
+ if (n1s > 1 || nshifts == 0)
+ return 0;
+ return nshifts - 1;
}
-symbol *__fsadd ;
-symbol *__fssub ;
-symbol *__fsmul ;
-symbol *__fsdiv ;
-symbol *__fseq ;
-symbol *__fsneq ;
-symbol *__fslt ;
+symbol *__fsadd;
+symbol *__fssub;
+symbol *__fsmul;
+symbol *__fsdiv;
+symbol *__fseq;
+symbol *__fsneq;
+symbol *__fslt;
symbol *__fslteq;
-symbol *__fsgt ;
+symbol *__fsgt;
symbol *__fsgteq;
/* Dims: mul/div/mod, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
symbol *__muldiv[3][3][2];
/* Dims: BYTE/WORD/DWORD SIGNED/UNSIGNED */
-link *__multypes[3][2];
+sym_link *__multypes[3][2];
/* Dims: to/from float, BYTE/WORD/DWORD, SIGNED/USIGNED */
symbol *__conv[2][3][2];
+/* Dims: shift left/shift right, BYTE/WORD/DWORD, SIGNED/UNSIGNED */
+symbol *__rlrr[2][3][2];
-link *floatType;
+sym_link *floatType;
-static void _makeRegParam(symbol *sym)
+static char *
+_mangleFunctionName(char *in)
{
- value *val ;
-
- val = sym->args; /* loop thru all the arguments */
-
- /* reset regparm for the port */
- (*port->reset_regparms)();
- while (val) {
- SPEC_REGPARM(val->etype) = 1;
- sym->argStack -= getSize(val->type);
- val = val->next ;
+ if (port->getMangledFunctionName)
+ {
+ return port->getMangledFunctionName(in);
+ }
+ else
+ {
+ return in;
}
}
-/*-----------------------------------------------------------------*/
+/*-----------------------------------------------------------------*/
/* initCSupport - create functions for C support routines */
-/*-----------------------------------------------------------------*/
-void initCSupport ()
+/*-----------------------------------------------------------------*/
+void
+initCSupport ()
{
- const char *smuldivmod[] = {
- "mul", "div", "mod"
- };
- const char *sbwd[] = {
- "char", "int", "long"
- };
- const char *ssu[] = {
- "s", "u"
- };
-
- int bwd, su, muldivmod, tofrom;
-
- floatType= newFloatLink();
-
- for (bwd = 0; bwd < 3; bwd++) {
- link *l;
- switch (bwd) {
+ const char *smuldivmod[] =
+ {
+ "mul", "div", "mod"
+ };
+ const char *sbwd[] =
+ {
+ "char", "int", "long"
+ };
+ const char *ssu[] =
+ {
+ "s", "u"
+ };
+ const char *srlrr[] =
+ {
+ "rl", "rr"
+ };
+
+ int bwd, su, muldivmod, tofrom, rlrr;
+
+ floatType = newFloatLink ();
+
+ for (bwd = 0; bwd < 3; bwd++)
+ {
+ sym_link *l;
+ switch (bwd)
+ {
case 0:
- l = newCharLink();
- break;
+ l = newCharLink ();
+ break;
case 1:
- l = newIntLink();
- break;
+ l = newIntLink ();
+ break;
case 2:
- l = newLongLink();
- break;
+ l = newLongLink ();
+ break;
default:
- assert(0);
+ assert (0);
}
- __multypes[bwd][0] = l;
- __multypes[bwd][1] = copyLinkChain(l);
- SPEC_USIGN(__multypes[bwd][1]) = 1;
- }
-
- __fsadd = funcOfType ("__fsadd", floatType, floatType, 2, options.float_rent);
- __fssub = funcOfType ("__fssub", floatType, floatType, 2, options.float_rent);
- __fsmul = funcOfType ("__fsmul", floatType, floatType, 2, options.float_rent);
- __fsdiv = funcOfType ("__fsdiv", floatType, floatType, 2, options.float_rent);
- __fseq = funcOfType ("__fseq", CHARTYPE, floatType, 2, options.float_rent);
- __fsneq = funcOfType ("__fsneq", CHARTYPE, floatType, 2, options.float_rent);
- __fslt = funcOfType ("__fslt", CHARTYPE, floatType, 2, options.float_rent);
- __fslteq= funcOfType ("__fslteq", CHARTYPE, floatType, 2, options.float_rent);
- __fsgt = funcOfType ("__fsgt", CHARTYPE, floatType, 2, options.float_rent);
- __fsgteq= funcOfType ("__fsgteq", CHARTYPE, floatType, 2, options.float_rent);
-
- for (tofrom = 0; tofrom < 2; tofrom++) {
- for (bwd = 0; bwd < 3; bwd++) {
- for (su = 0; su < 2; su++) {
- if (tofrom) {
- sprintf(buffer, "__fs2%s%s", ssu[su], sbwd[bwd]);
- __conv[tofrom][bwd][su] = funcOfType(buffer, __multypes[bwd][su], floatType, 1, options.float_rent);
+ __multypes[bwd][0] = l;
+ __multypes[bwd][1] = copyLinkChain (l);
+ SPEC_USIGN (__multypes[bwd][1]) = 1;
+ }
+
+ __fsadd = funcOfType ("__fsadd", floatType, floatType, 2, options.float_rent);
+ __fssub = funcOfType ("__fssub", floatType, floatType, 2, options.float_rent);
+ __fsmul = funcOfType ("__fsmul", floatType, floatType, 2, options.float_rent);
+ __fsdiv = funcOfType ("__fsdiv", floatType, floatType, 2, options.float_rent);
+ __fseq = funcOfType ("__fseq", CHARTYPE, floatType, 2, options.float_rent);
+ __fsneq = funcOfType ("__fsneq", CHARTYPE, floatType, 2, options.float_rent);
+ __fslt = funcOfType ("__fslt", CHARTYPE, floatType, 2, options.float_rent);
+ __fslteq = funcOfType ("__fslteq", CHARTYPE, floatType, 2, options.float_rent);
+ __fsgt = funcOfType ("__fsgt", CHARTYPE, floatType, 2, options.float_rent);
+ __fsgteq = funcOfType ("__fsgteq", CHARTYPE, floatType, 2, options.float_rent);
+
+ for (tofrom = 0; tofrom < 2; tofrom++)
+ {
+ for (bwd = 0; bwd < 3; bwd++)
+ {
+ for (su = 0; su < 2; su++)
+ {
+ if (tofrom)
+ {
+ sprintf (buffer, "__fs2%s%s", ssu[su], sbwd[bwd]);
+ __conv[tofrom][bwd][su] = funcOfType (_mangleFunctionName(buffer), __multypes[bwd][su], floatType, 1, options.float_rent);
}
- else {
- sprintf(buffer, "__%s%s2fs", ssu[su], sbwd[bwd]);
- __conv[tofrom][bwd][su] = funcOfType(buffer, floatType, __multypes[bwd][su], 1, options.float_rent);
+ else
+ {
+ sprintf (buffer, "__%s%s2fs", ssu[su], sbwd[bwd]);
+ __conv[tofrom][bwd][su] = funcOfType (_mangleFunctionName(buffer), floatType, __multypes[bwd][su], 1, options.float_rent);
}
}
}
}
- for (muldivmod = 0; muldivmod < 3; muldivmod++) {
- for (bwd = 0; bwd < 3; bwd++) {
- for (su = 0; su < 2; su++) {
- sprintf(buffer, "_%s%s%s",
- smuldivmod[muldivmod],
- ssu[su],
- sbwd[bwd]);
- __muldiv[muldivmod][bwd][su] = funcOfType(buffer, __multypes[bwd][su], __multypes[bwd][su], 2, options.intlong_rent);
- SPEC_NONBANKED(__muldiv[muldivmod][bwd][su]->etype) = 1;
- if (bwd < port->muldiv.force_reg_param_below)
- _makeRegParam(__muldiv[muldivmod][bwd][su]);
+ for (muldivmod = 0; muldivmod < 3; muldivmod++)
+ {
+ for (bwd = 0; bwd < 3; bwd++)
+ {
+ for (su = 0; su < 2; su++)
+ {
+ sprintf (buffer, "_%s%s%s",
+ smuldivmod[muldivmod],
+ ssu[su],
+ sbwd[bwd]);
+ __muldiv[muldivmod][bwd][su] = funcOfType (_mangleFunctionName(buffer), __multypes[bwd][su], __multypes[bwd][su], 2, options.intlong_rent);
+ SPEC_NONBANKED (__muldiv[muldivmod][bwd][su]->etype) = 1;
+ }
+ }
+ }
+
+ for (rlrr = 0; rlrr < 2; rlrr++)
+ {
+ for (bwd = 0; bwd < 3; bwd++)
+ {
+ for (su = 0; su < 2; su++)
+ {
+ sprintf (buffer, "_%s%s%s",
+ srlrr[rlrr],
+ ssu[su],
+ sbwd[bwd]);
+ __rlrr[rlrr][bwd][su] = funcOfType (_mangleFunctionName(buffer), __multypes[bwd][su], __multypes[0][0], 2, options.intlong_rent);
+ SPEC_NONBANKED (__rlrr[rlrr][bwd][su]->etype) = 1;
}
}
}
projects / fw / sdcc / blobdiff