#include "common.h"
#include "newalloc.h"
+value *aggregateToPointer (value *val);
+
+void printFromToType(sym_link *from, sym_link *to) {
+ fprintf (stderr, "from type '");
+ printTypeChain (from, stderr);
+ fprintf (stderr, "'\nto type '");
+ printTypeChain (to, stderr);
+ fprintf (stderr, "'\n");
+}
+
/* noun strings */
char *nounName(sym_link *sl) {
switch (SPEC_NOUN(sl))
{
bucket *bp;
- bp = Safe_calloc (1, sizeof (bucket));
+ bp = Safe_alloc ( sizeof (bucket));
return bp;
}
bucket *bp; /* temp bucket * */
if (checkType) {
+ symbol *csym = (symbol *)sym;
+
if (getenv("DEBUG_SANITY")) {
fprintf (stderr, "addSym: %s ", sname);
}
/* make sure the type is complete and sane */
- checkTypeSanity(((symbol *)sym)->etype, ((symbol *)sym)->name);
+ checkTypeSanity(csym->etype, csym->name);
+ }
+
+ /* prevent overflow of the (r)name buffers */
+ if (strlen(sname)>SDCC_SYMNAME_MAX) {
+ werror (W_SYMBOL_NAME_TOO_LONG, SDCC_SYMNAME_MAX);
+ sname[SDCC_SYMNAME_MAX]='\0';
}
/* 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 = Safe_alloc ( 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 */
+ strncpyz (bp->name, sname, sizeof(bp->name)); /* copy the name into place */
/* if this is the first entry */
if (stab[i] == NULL)
{
symbol *sym;
- sym = Safe_calloc (1, sizeof (symbol));
+ sym = Safe_alloc ( sizeof (symbol));
- strcpy (sym->name, name); /* copy the name */
+ strncpyz (sym->name, name, sizeof(sym->name)); /* copy the name */
sym->level = scope; /* set the level */
sym->block = currBlockno;
sym->lineDef = yylineno; /* set the line number */
/* newLink - creates a new link (declarator,specifier) */
/*------------------------------------------------------------------*/
sym_link *
-newLink ()
+newLink (SYM_LINK_CLASS select)
{
sym_link *p;
- p = Safe_calloc (1, sizeof (sym_link));
+ p = Safe_alloc ( sizeof (sym_link));
+ p->class=select;
return p;
}
{
structdef *s;
- s = Safe_calloc (1, sizeof (structdef));
+ s = Safe_alloc ( sizeof (structdef));
- strcpy (s->tag, tag); /* copy the tag */
+ strncpyz (s->tag, tag, sizeof(s->tag)); /* copy the tag */
return s;
}
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) = POINTER;
break;
case S_CODE:
- DCL_PTR_CONST (ptr) = port->mem.code_ro;
DCL_TYPE (ptr) = CPOINTER;
break;
case S_EEPROM:
DCL_TYPE (ptr) = EEPPOINTER;
break;
default:
- DCL_TYPE (ptr) = GPOINTER;
+ DCL_TYPE (ptr) = port->unqualified_pointer;
break;
}
/* the storage class of type ends here */
- SPEC_SCLS (type) =
+ SPEC_SCLS (type) =
SPEC_CONST (type) =
SPEC_VOLATILE (type) = 0;
}
while (ptr)
{
if (!IS_SPEC (ptr) && DCL_TYPE (ptr) == UPOINTER)
- DCL_TYPE (ptr) = GPOINTER;
+ DCL_TYPE (ptr) = port->unqualified_pointer;
ptr = ptr->next;
}
while (type)
{
if (!IS_SPEC (type) && DCL_TYPE (type) == UPOINTER)
- DCL_TYPE (type) = GPOINTER;
+ DCL_TYPE (type) = port->unqualified_pointer;
type = type->next;
}
sym_link *tail;
sym_link *t;
+ if (getenv("SDCC_DEBUG_FUNCTION_POINTERS"))
+ fprintf (stderr, "SDCCsymt.c:addDecl(%s,%d,%p)\n", sym->name, type, p);
+
/* if we are passed a link then set head & tail */
if (p)
{
}
else
{
- head = tail = newLink ();
+ head = tail = newLink (DECLARATOR);
DCL_TYPE (head) = type;
}
}
/* if the type is an unknown pointer and has
- a tspec then take the storage class const & volatile
+ a tspec then take the const & volatile
attribute from the tspec & make it those of this
symbol */
+
if (p &&
- !IS_SPEC (p) &&
- //DCL_TYPE (p) == UPOINTER &&
+ IS_DECL (p) &&
+ DCL_TYPE (p) == UPOINTER &&
DCL_TSPEC (p))
{
+ // only for declarators
+ wassert (IS_DECL(sym->type));
+
if (!IS_SPEC (sym->etype))
{
- sym->etype = sym->etype->next = newLink ();
- sym->etype->class = SPECIFIER;
+ sym->etype = sym->etype->next = newLink (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_PTR_CONST (sym->type) = SPEC_CONST (DCL_TSPEC (p));
+ DCL_PTR_VOLATILE (sym->type) = SPEC_VOLATILE (DCL_TSPEC (p));
DCL_TSPEC (p) = NULL;
}
+
+ // if there is a function in this type chain
+ if (p && funcInChain(sym->type)) {
+ processFuncArgs (sym);
+ }
+
return;
}
noun=nounName(etype);
if (getenv("DEBUG_SANITY")) {
- fprintf (stderr, "checking sanity for %s %x\n", name, (int)etype);
+ fprintf (stderr, "checking sanity for %s %p\n", name, etype);
}
if ((SPEC_NOUN(etype)==V_CHAR ||
sym_link *
mergeSpec (sym_link * dest, sym_link * src, char *name)
{
-
- sym_link *symlink;
-
- if (!IS_SPEC(dest)) {
- // This can happen for pointers, find the end type
- while (dest && !IS_SPEC(dest))
- dest=dest->next;
- }
- if (!IS_SPEC(src)) {
- // here we have a declarator as source, reverse them
- symlink=src;
- src=dest;
- dest=symlink;
- while (dest && !IS_SPEC(dest)) {
- // and find the specifier
- dest=dest->next;
- }
- } else {
- symlink=dest;
- }
-
if (!IS_SPEC(dest) || !IS_SPEC(src)) {
- werror (E_INTERNAL_ERROR, __FILE__, __LINE__, "cannot merge declarator");
- exit (1);
- }
-
- if (getenv("DEBUG_mergeSpec")) {
- fprintf (stderr, "mergeSpec: \"%s\"\n", name);
+ werror (E_SYNTAX_ERROR, yytext);
}
if (SPEC_NOUN(src)) {
/* 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_CONST(dest) |= SPEC_CONST (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);
-
+ SPEC_ENUM (dest) |= SPEC_ENUM (src);
+ if (SPEC_ARGREG(src) && !SPEC_ARGREG(dest))
+ SPEC_ARGREG(dest) = SPEC_ARGREG(src);
+
if (IS_STRUCT (dest) && SPEC_STRUCT (dest) == NULL)
SPEC_STRUCT (dest) = SPEC_STRUCT (src);
- return symlink;
-}
-
-/*------------------------------------------------------------------*/
-/* cloneSpec - copies the entire spec and returns a new spec */
-/*------------------------------------------------------------------*/
-sym_link *
-cloneSpec (sym_link * src)
-{
- sym_link *spec;
-
- /* go thru chain till we find the specifier */
- while (src && src->class != SPECIFIER)
- src = src->next;
+ /* these are the only function attributes that will be set
+ in a specifier while parsing */
+ FUNC_NONBANKED(dest) |= FUNC_NONBANKED(src);
+ FUNC_BANKED(dest) |= FUNC_BANKED(src);
+ FUNC_ISCRITICAL(dest) |= FUNC_ISCRITICAL(src);
+ FUNC_ISREENT(dest) |= FUNC_ISREENT(src);
+ FUNC_ISNAKED(dest) |= FUNC_ISNAKED(src);
+ FUNC_ISISR(dest) |= FUNC_ISISR(src);
+ FUNC_ISJAVANATIVE(dest) |= FUNC_ISJAVANATIVE(src);
+ FUNC_ISBUILTIN(dest) |= FUNC_ISBUILTIN(src);
+ FUNC_ISOVERLAY(dest) |= FUNC_ISOVERLAY(src);
+ FUNC_INTNO(dest) |= FUNC_INTNO(src);
+ FUNC_REGBANK(dest) |= FUNC_REGBANK(src);
- spec = newLink ();
- memcpy (spec, src, sizeof (sym_link));
- return spec;
+ return dest;
}
/*------------------------------------------------------------------*/
static int gCount = 0;
static char gname[SDCC_NAME_MAX + 1];
- sprintf (gname, "__%04d%04d", level, gCount++);
+ SNPRINTF (gname, sizeof(gname), "__%04d%04d", level, gCount++);
return gname;
}
{
sym_link *p;
- p = newLink ();
- p->class = SPECIFIER;
+ p = newLink (SPECIFIER);
SPEC_NOUN (p) = V_CHAR;
return p;
{
sym_link *p;
- p = newLink ();
- p->class = SPECIFIER;
+ p = newLink (SPECIFIER);
SPEC_NOUN (p) = V_FLOAT;
return p;
{
sym_link *p;
- p = newLink ();
- p->class = SPECIFIER;
+ p = newLink (SPECIFIER);
SPEC_NOUN (p) = V_INT;
SPEC_LONG (p) = 1;
{
sym_link *p;
- p = newLink ();
- p->class = SPECIFIER;
+ p = newLink (SPECIFIER);
SPEC_NOUN (p) = V_INT;
return p;
/* this is a specifier */
switch (DCL_TYPE (p))
{
- case FUNCTION:
- return 2;
case ARRAY:
- return DCL_ELEM (p) * getSize (p->next);
+ if (DCL_ELEM(p)) {
+ return DCL_ELEM (p) * getSize (p->next);
+ } else {
+ // werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ // "can not tell the size of an array[]");
+ return 0;
+ }
case IPOINTER:
case PPOINTER:
case POINTER:
case EEPPOINTER:
case FPOINTER:
case CPOINTER:
+ case FUNCTION:
return (FPTRSIZE);
case GPOINTER:
return (GPTRSIZE);
/* this is a specifier */
switch (DCL_TYPE (p))
{
- case FUNCTION:
- return 2;
case ARRAY:
return DCL_ELEM (p) * getSize (p->next) * 8;
case IPOINTER:
case EEPPOINTER:
case FPOINTER:
case CPOINTER:
+ case FUNCTION:
return (FPTRSIZE * 8);
case GPOINTER:
return (GPTRSIZE * 8);
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;
}
werror (E_EXTERN_MISMATCH, csym->name);
continue;
}
- /* delete current entry */
- deleteSym (SymbolTab, csym, csym->name);
} else {
/* not extern */
- werror (E_DUPLICATE, sym->name);
- continue;
+ if (compareType (csym->type, sym->type) != 1) {
+ werror (E_DUPLICATE, sym->name);
+ continue;
+ }
}
+ /* delete current entry */
+ deleteSym (SymbolTab, csym, csym->name);
+ deleteFromSeg(csym);
}
/* add new entry */
/* structElemType - returns the type info of a sturct member */
/*------------------------------------------------------------------*/
sym_link *
-structElemType (sym_link * stype, value * id, value ** argsp)
+structElemType (sym_link * stype, value * id)
{
symbol *fields = (SPEC_STRUCT (stype) ? SPEC_STRUCT (stype)->fields : NULL);
sym_link *type, *etype;
sym_link *petype = getSpec (stype);
- if (!fields || !id)
- return NULL;
+ if (fields && id) {
+
+ /* look for the id */
+ while (fields)
+ {
+ if (strcmp (fields->rname, id->name) == 0)
+ {
+ 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;
+ }
+ }
- /* look for the id */
- while (fields)
- {
- if (strcmp (fields->rname, id->name) == 0)
- {
- if (argsp)
- {
- *argsp = fields->args;
- }
- 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;
- }
werror (E_NOT_MEMBER, id->name);
-
- return NULL;
+
+ // the show must go on
+ return newIntLink();
}
/*------------------------------------------------------------------*/
while (loop) {
/* create the internal name for this variable */
- sprintf (loop->rname, "_%s", loop->name);
+ SNPRINTF (loop->rname, sizeof(loop->rname), "_%s", loop->name);
loop->offset = (su == UNION ? sum = 0 : sum);
SPEC_VOLATILE (loop->etype) |= (su == UNION ? 1 : 0);
sum += getSize (loop->type);
}
- /* if function then do the arguments for it */
- if (funcInChain (loop->type)) {
- processFuncArgs (loop, 1);
- }
-
loop = loop->next;
/* if this is not a bitfield but the */
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 absolute address given then it mark it as
- volatile */
- if (IS_ABSOLUTE (sym->etype))
- SPEC_VOLATILE (sym->etype) = 1;
+ volatile -- except in the PIC port */
+
+#if !OPT_DISABLE_PIC
+ /* The PIC port uses a different peep hole optimizer based on "pCode" */
+ if (!TARGET_IS_PIC)
+#endif
+
+ if (IS_ABSOLUTE (sym->etype))
+ SPEC_VOLATILE (sym->etype) = 1;
+
/* global variables declared const put into code */
+ /* if no other storage class specified */
if (sym->level == 0 &&
- SPEC_CONST (sym->etype)) {
+ SPEC_CONST (sym->etype) &&
+ SPEC_SCLS(sym->etype) == S_FIXED &&
+ !IS_FUNC(sym->type)) {
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;
-
+ port->mem.code_ro) {
+ if (IS_SPEC(sym->type)) {
+ SPEC_CONST (sym->type) = 1;
+ } else {
+ DCL_PTR_CONST (sym->type) = 1;
+ }
+ }
/* if bit variable then no storage class can be */
/* specified since bit is already a storage */
if (sym->level && SPEC_SCLS (sym->etype) == S_FIXED &&
!IS_STATIC(sym->etype))
{
- if (options.stackAuto || (currFunc && IS_RENT (currFunc->etype)))
+ if (options.stackAuto || (currFunc && IFFUNC_ISREENT (currFunc->type)))
{
SPEC_SCLS (sym->etype) = (options.useXstack ?
S_XSTACK : S_STACK);
for (p = sym->type; p; p = p->next)
{
if (!IS_SPEC (p) && DCL_TYPE (p) == UPOINTER)
- DCL_TYPE (p) = GPOINTER;
+ DCL_TYPE (p) = port->unqualified_pointer;
if (IS_PTR (p) && IS_FUNC (p->next))
DCL_TYPE (p) = CPOINTER;
}
sym_link *head, *curr, *loop;
curr = p;
- head = loop = (curr ? newLink () : (void *) NULL);
+ head = loop = (curr ? newLink (p->class) : (void *) NULL);
while (curr)
{
memcpy (loop, curr, sizeof (sym_link)); /* copy it */
- loop->next = (curr->next ? newLink () : (void *) NULL);
+ loop->next = (curr->next ? newLink (curr->next->class) : (void *) NULL);
loop = loop->next;
curr = curr->next;
}
else if (IS_BITVAR (etype2) && !IS_BITVAR (etype1))
rType = copyLinkChain (type1);
else
- /* if one of them is a pointer then that
+ /* if one of them is a pointer or array then that
prevails */
- if (IS_PTR (type1))
+ if (IS_PTR (type1) || IS_ARRAY (type1))
rType = copyLinkChain (type1);
- else if (IS_PTR (type2))
+ else if (IS_PTR (type2) || IS_ARRAY (type2))
rType = copyLinkChain (type2);
else if (getSize (type1) > getSize (type2))
rType = copyLinkChain (type1);
reType = getSpec (rType);
- /* if either of them unsigned then make this unsigned */
- if ((SPEC_USIGN (etype1) || SPEC_USIGN (etype2)) && !IS_FLOAT (reType))
+ /* if either of them unsigned but not val then make this unsigned */
+ if (((!IS_LITERAL(type1) && SPEC_USIGN (etype1)) ||
+ (!IS_LITERAL(type2) && SPEC_USIGN (etype2))) &&
+ !IS_FLOAT (reType))
SPEC_USIGN (reType) = 1;
-
+ else
+ SPEC_USIGN (reType) = 0;
+
/* if result is a literal then make not so */
if (IS_LITERAL (reType))
SPEC_SCLS (reType) = S_REGISTER;
{
if (IS_DECL (src))
{
- if (DCL_TYPE (src) == DCL_TYPE (dest))
+ if (DCL_TYPE (src) == DCL_TYPE (dest)) {
+ if (IS_FUNC(src)) {
+ //checkFunction(src,dest);
+ }
return compareType (dest->next, src->next);
- if (IS_PTR (src) && IS_PTR (dest))
- return -1;
- if (IS_PTR (dest) && IS_ARRAY (src))
+ }
+ if (IS_PTR (dest) && IS_GENPTR (src) && IS_VOID(src->next)) {
+ return 1;
+ }
+ if (IS_PTR (src) && IS_GENPTR (dest))
return -1;
+ if (IS_PTR (dest) && IS_ARRAY (src)) {
+ value *val=aggregateToPointer (valFromType(src));
+ int res=compareType (dest, val->type);
+ Safe_free(val->type);
+ Safe_free(val);
+ return res;
+ }
if (IS_PTR (dest) && IS_FUNC (dest->next) && IS_FUNC (src))
- return -1 * compareType (dest->next, src);
+ return compareType (dest->next, src);
return 0;
}
else if (IS_PTR (dest) && IS_INTEGRAL (src))
{
int i;
+ if (options.all_callee_saves) return 1;
for (i = 0; options.calleeSaves[i]; i++)
if (strcmp (options.calleeSaves[i], s) == 0)
return 1;
}
/*-----------------------------------------------------------------*/
-/* aggregateArgToPointer: change an agggregate type function */
+/* aggregateToPointer: change an agggregate type function */
/* argument to a pointer to that type. */
/*-----------------------------------------------------------------*/
-void
-aggregateArgToPointer (value * val)
+value *
+aggregateToPointer (value * val)
{
if (IS_AGGREGATE (val->type))
{
sym_link *p = val->type;
werror (W_STRUCT_AS_ARG, val->name);
- val->type = newLink ();
+ val->type = newLink (DECLARATOR);
val->type->next = p;
}
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! */
+ if (SPEC_OCLS(val->etype)) {
+ DCL_TYPE(val->type)=PTR_TYPE(SPEC_OCLS(val->etype));
+ } else {
+ // this happens for (external) function parameters
+ DCL_TYPE (val->type) = port->unqualified_pointer;
+ }
+ break;
case S_AUTO:
case S_DATA:
case S_REGISTER:
DCL_TYPE (val->type) = EEPPOINTER;
break;
default:
- DCL_TYPE (val->type) = GPOINTER;
+ DCL_TYPE (val->type) = port->unqualified_pointer;
}
-
+
/* is there is a symbol associated then */
/* change the type of the symbol as well */
if (val->sym)
val->sym->etype = getSpec (val->sym->type);
}
}
+ return val;
}
/*------------------------------------------------------------------*/
/* checkFunction - does all kinds of check on a function */
/*------------------------------------------------------------------*/
int
-checkFunction (symbol * sym)
+checkFunction (symbol * sym, symbol *csym)
{
- symbol *csym;
value *exargs, *acargs;
value *checkValue;
int argCnt = 0;
/* check if this function is defined as calleeSaves
then mark it as such */
- sym->calleeSave = inCalleeSaveList (sym->name);
+ FUNC_CALLEESAVES(sym->type) = inCalleeSaveList (sym->name);
/* if interrupt service routine */
/* then it cannot have arguments */
- if (sym->args && IS_ISR (sym->etype) && !IS_VOID (sym->args->type))
+ if (IFFUNC_ARGS(sym->type) && FUNC_ISISR (sym->type))
{
- werror (E_INT_ARGS, sym->name);
- sym->args = NULL;
+ if (!IS_VOID(FUNC_ARGS(sym->type)->type)) {
+ werror (E_INT_ARGS, sym->name);
+ FUNC_ARGS(sym->type)=NULL;
+ }
+ }
+
+ for (argCnt=1, acargs = FUNC_ARGS(sym->type);
+ acargs;
+ acargs=acargs->next, argCnt++) {
+ if (!acargs->sym) {
+ // this can happen for reentrant functions
+ werror(E_PARAM_NAME_OMITTED, sym->name, argCnt);
+ // the show must go on: synthesize a name and symbol
+ SNPRINTF (acargs->name, sizeof(acargs->name), "_%s_PARM_%d", sym->name, argCnt);
+ acargs->sym = newSymbol (acargs->name, 1);
+ SPEC_OCLS (acargs->etype) = istack;
+ acargs->sym->type = copyLinkChain (acargs->type);
+ acargs->sym->etype = getSpec (acargs->sym->type);
+ acargs->sym->_isparm = 1;
+ strncpyz (acargs->sym->rname, acargs->name, sizeof(acargs->sym->rname));
+ } else if (strcmp(acargs->sym->name, acargs->sym->rname)==0) {
+ // synthesized name
+ werror(E_PARAM_NAME_OMITTED, sym->name, argCnt);
}
+ }
- if (!(csym = findSym (SymbolTab, sym, sym->name)))
+ if (!csym && !(csym = findSym (SymbolTab, sym, sym->name)))
return 1; /* not defined nothing more to check */
/* check if body already present */
- if (csym && csym->fbody)
+ if (csym && IFFUNC_HASBODY(csym->type))
{
werror (E_FUNC_BODY, sym->name);
return 0;
if (compareType (csym->type, sym->type) <= 0)
{
werror (E_PREV_DEF_CONFLICT, csym->name, "type");
- werror (W_CONTINUE, "previous definition type ");
- printTypeChain (csym->type, stderr);
- fprintf (stderr, "\n");
- werror (W_CONTINUE, "current definition type ");
- printTypeChain (sym->type, stderr);
- fprintf (stderr, "\n");
+ printFromToType(csym->type, sym->type);
return 0;
}
- if (SPEC_INTRTN (csym->etype) != SPEC_INTRTN (sym->etype))
+ if (FUNC_ISISR (csym->type) != FUNC_ISISR (sym->type))
{
werror (E_PREV_DEF_CONFLICT, csym->name, "interrupt");
}
- if (SPEC_BANK (csym->etype) != SPEC_BANK (sym->etype))
+ if (FUNC_REGBANK (csym->type) != FUNC_REGBANK (sym->type))
{
werror (E_PREV_DEF_CONFLICT, csym->name, "using");
}
- if (SPEC_NAKED (csym->etype) != SPEC_NAKED (sym->etype))
+ if (IFFUNC_ISNAKED (csym->type) != IFFUNC_ISNAKED (sym->type))
{
werror (E_PREV_DEF_CONFLICT, csym->name, "_naked");
}
- /* compare expected agrs with actual args */
- exargs = csym->args;
- acargs = sym->args;
+ /* compare expected args with actual args */
+ exargs = FUNC_ARGS(csym->type);
+ acargs = FUNC_ARGS(sym->type);
/* for all the expected args do */
for (argCnt = 1;
if (IS_AGGREGATE (acargs->type))
{
checkValue = copyValue (acargs);
- aggregateArgToPointer (checkValue);
+ aggregateToPointer (checkValue);
}
else
{
if (compareType (exargs->type, checkValue->type) <= 0)
{
werror (E_ARG_TYPE, argCnt);
+ printFromToType(exargs->type, checkValue->type);
return 0;
}
}
/* replace with this defition */
sym->cdef = csym->cdef;
deleteSym (SymbolTab, csym, csym->name);
+ deleteFromSeg(csym);
addSym (SymbolTab, sym, sym->name, sym->level, sym->block, 1);
if (IS_EXTERN (csym->etype) && !
IS_EXTERN (sym->etype))
/* processFuncArgs - does some processing with function args */
/*-----------------------------------------------------------------*/
void
-processFuncArgs (symbol * func, int ignoreName)
+processFuncArgs (symbol * func)
{
value *val;
int pNum = 1;
+ sym_link *funcType=func->type;
+
+ if (getenv("SDCC_DEBUG_FUNCTION_POINTERS"))
+ fprintf (stderr, "SDCCsymt.c:processFuncArgs(%s)\n", func->name);
+
+ // if this is a pointer to a function
+ if (IS_PTR(funcType)) {
+ funcType=funcType->next;
+ }
/* if this function has variable argument list */
/* then make the function a reentrant one */
- if (func->hasVargs)
- SPEC_RENT (func->etype) = 1;
+ if (IFFUNC_HASVARARGS(funcType) || (options.stackAuto && !func->cdef))
+ FUNC_ISREENT(funcType)=1;
/* check if this function is defined as calleeSaves
then mark it as such */
- func->calleeSave = inCalleeSaveList (func->name);
+ FUNC_CALLEESAVES(funcType) = inCalleeSaveList (func->name);
- val = func->args; /* loop thru all the arguments */
+ /* loop thru all the arguments */
+ val = FUNC_ARGS(funcType);
/* if it is void then remove parameters */
if (val && IS_VOID (val->type))
{
- func->args = NULL;
+ FUNC_ARGS(funcType) = NULL;
return;
}
/* change it to pointer to the same type */
while (val)
{
+ int argreg = 0;
/* 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))
+ if (!IFFUNC_HASVARARGS(funcType) &&
+ (argreg = (*port->reg_parm) (val->type)))
{
SPEC_REGPARM (val->etype) = 1;
+ SPEC_ARGREG(val->etype) = argreg;
+ } else if (IFFUNC_ISREENT(funcType)) {
+ FUNC_HASSTACKPARM(funcType) = 1;
}
if (IS_AGGREGATE (val->type))
{
- aggregateArgToPointer (val);
+ aggregateToPointer (val);
}
+
val = val->next;
pNum++;
}
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)) {
+ if (IFFUNC_ISREENT(funcType)) {
return;
}
} else {
/* if this function is reentrant or */
/* automatics r 2b stacked then nothing */
- if (IS_RENT (func->etype) || options.stackAuto)
+ if (IFFUNC_ISREENT (funcType) || options.stackAuto)
return;
}
- val = func->args;
+ val = FUNC_ARGS(funcType);
pNum = 1;
while (val)
{
/* synthesize a variable name */
if (!val->sym)
{
-
- sprintf (val->name, "_%s_PARM_%d", func->name, pNum++);
+ SNPRINTF (val->name, sizeof(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);
+ strncpyz (val->sym->rname, val->name, sizeof(val->sym->rname));
+ if (IS_SPEC(func->etype)) {
+ 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);
+ SNPRINTF (val->name, sizeof(val->name), "_%s_PARM_%d", func->name, pNum++);
+ strncpyz (val->sym->rname, val->name, sizeof(val->sym->rname));
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);
+ if (IS_SPEC(func->etype)) {
+ SPEC_STAT (val->etype) = SPEC_STAT (val->sym->etype) =
+ SPEC_STAT (func->etype);
+ }
}
+ if (!isinSet(operKeyReset, val->sym)) {
+ addSet (&operKeyReset, val->sym);
+ applyToSet (operKeyReset, resetParmKey);
+ }
val = val->next;
}
}
/*-----------------------------------------------------------------*/
/* printTypeChain - prints the type chain in human readable form */
/*-----------------------------------------------------------------*/
-void
-printTypeChain (sym_link * type, FILE * of)
+void
+printTypeChain (sym_link * start, FILE * of)
{
int nlr = 0;
+ sym_link * type, * search;
+ STORAGE_CLASS scls;
if (!of)
{
nlr = 1;
}
+ if (start==NULL) {
+ fprintf (of, "void");
+ return;
+ }
+
+ /* Print the chain as it is written in the source: */
+ /* start with the last entry. */
+ /* However, the storage class at the end of the */
+ /* chain reall applies to the first in the chain! */
+
+ for (type = start; type && type->next; type = type->next)
+ ;
+ scls=SPEC_SCLS(type);
while (type)
{
+ if (type==start) {
+ switch (scls)
+ {
+ case S_DATA: fprintf (of, "data-"); break;
+ case S_XDATA: fprintf (of, "xdata-"); break;
+ case S_SFR: fprintf (of, "sfr-"); break;
+ case S_SBIT: fprintf (of, "sbit-"); break;
+ case S_CODE: fprintf (of, "code-"); break;
+ case S_IDATA: fprintf (of, "idata-"); break;
+ case S_PDATA: fprintf (of, "pdata-"); break;
+ case S_LITERAL: fprintf (of, "literal-"); break;
+ case S_STACK: fprintf (of, "stack-"); break;
+ case S_XSTACK: fprintf (of, "xstack-"); break;
+ case S_BIT: fprintf (of, "bit-"); break;
+ case S_EEPROM: fprintf (of, "eeprom-"); break;
+ default: break;
+ }
+ }
+
if (IS_DECL (type))
{
- if (DCL_PTR_VOLATILE(type)) {
- fprintf (of, "volatile ");
+ if (!IS_FUNC(type)) {
+ if (DCL_PTR_VOLATILE (type)) {
+ fprintf (of, "volatile-");
+ }
+ if (DCL_PTR_CONST (type)) {
+ fprintf (of, "const-");
+ }
}
switch (DCL_TYPE (type))
{
case FUNCTION:
- fprintf (of, "function ");
+ fprintf (of, "function %s %s",
+ (IFFUNC_ISBUILTIN(type) ? "__builtin__" : " "),
+ (IFFUNC_ISJAVANATIVE(type) ? "_JavaNative" : " "));
break;
case GPOINTER:
- fprintf (of, "_generic * ");
- if (DCL_PTR_CONST (type))
- fprintf (of, "const ");
+ fprintf (of, "generic* ");
break;
case CPOINTER:
- fprintf (of, "_code * ");
- if (DCL_PTR_CONST (type))
- fprintf (of, "const ");
+ fprintf (of, "code* ");
break;
case FPOINTER:
- fprintf (of, "_far * ");
- if (DCL_PTR_CONST (type))
- fprintf (of, "const ");
+ fprintf (of, "xdata* ");
break;
case EEPPOINTER:
- fprintf (of, "_eeprom * ");
- if (DCL_PTR_CONST (type))
- fprintf (of, "const ");
+ fprintf (of, "eeprom* ");
break;
-
case POINTER:
- fprintf (of, "_near * ");
- if (DCL_PTR_CONST (type))
- fprintf (of, "const ");
+ fprintf (of, "near* ");
break;
case IPOINTER:
- fprintf (of, "_idata *");
- if (DCL_PTR_CONST (type))
- fprintf (of, "const ");
+ fprintf (of, "idata* ");
break;
case PPOINTER:
- fprintf (of, "_pdata *");
- if (DCL_PTR_CONST (type))
- fprintf (of, "const ");
+ fprintf (of, "pdata* ");
break;
case UPOINTER:
- fprintf (of, " _unkown *");
- if (DCL_PTR_CONST (type))
- fprintf (of, "const ");
+ fprintf (of, "unkown* ");
break;
case ARRAY:
- fprintf (of, "array of ");
+ if (DCL_ELEM(type)) {
+ fprintf (of, "[%d] ", DCL_ELEM(type));
+ } else {
+ fprintf (of, "[] ");
+ }
break;
}
}
else
{
if (SPEC_VOLATILE (type))
- fprintf (of, "volatile ");
- if (SPEC_USIGN (type))
- fprintf (of, "unsigned ");
+ fprintf (of, "volatile-");
if (SPEC_CONST (type))
- fprintf (of, "const ");
-
+ fprintf (of, "const-");
+ if (SPEC_USIGN (type))
+ fprintf (of, "unsigned-");
switch (SPEC_NOUN (type))
{
case V_INT:
if (IS_LONG (type))
- fprintf (of, "long ");
- fprintf (of, "int ");
+ fprintf (of, "long-");
+ fprintf (of, "int");
break;
case V_CHAR:
- fprintf (of, "char ");
+ fprintf (of, "char");
break;
case V_VOID:
- fprintf (of, "void ");
+ fprintf (of, "void");
break;
case V_FLOAT:
- fprintf (of, "float ");
+ fprintf (of, "float");
break;
case V_STRUCT:
break;
case V_SBIT:
- fprintf (of, "sbit ");
+ fprintf (of, "sbit");
break;
case V_BIT:
break;
case V_DOUBLE:
- fprintf (of, "double ");
+ fprintf (of, "double");
break;
default:
- fprintf (of, "unknown type ");
+ fprintf (of, "unknown type");
break;
}
}
- type = type->next;
+ /* search entry in list before "type" */
+ for (search = start; search && search->next != type;)
+ search = search->next;
+ type = search;
+ if (type)
+ fputc (' ', of);
}
if (nlr)
fprintf (of, "\n");
/*-----------------------------------------------------------------*/
/* cdbTypeInfo - print the type information for debugger */
/*-----------------------------------------------------------------*/
-void
+void
cdbTypeInfo (sym_link * type, FILE * of)
{
fprintf (of, "{%d}", getSize (type));
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));
+ fprintf (of, ",%d,%d,%d", FUNC_ISISR (sym->type),
+ FUNC_INTNO (sym->type), FUNC_REGBANK (sym->type));
/* alternate location to find this symbol @ : eg registers
or spillication */
}
}
+/*-----------------------------------------------------------------*/
+/* typeFromStr - create a typechain from an encoded string */
+/* basic types - 'c' - char */
+/* 's' - short */
+/* 'i' - int */
+/* 'l' - long */
+/* 'f' - float */
+/* 'v' - void */
+/* '*' - pointer - default (GPOINTER) */
+/* modifiers - 'u' - unsigned */
+/* pointer modifiers - 'g' - generic */
+/* 'x' - xdata */
+/* 'p' - code */
+/* 'd' - data */
+/* 'F' - function */
+/* examples : "ig*" - generic int * */
+/* "cx*" - char xdata * */
+/* "ui" - unsigned int */
+/*-----------------------------------------------------------------*/
+sym_link *typeFromStr (char *s)
+{
+ sym_link *r = newLink(DECLARATOR);
+ int usign = 0;
+
+ do {
+ sym_link *nr;
+ switch (*s) {
+ case 'u' :
+ usign = 1;
+ s++;
+ continue ;
+ break ;
+ case 'c':
+ r->class = SPECIFIER;
+ SPEC_NOUN(r) = V_CHAR;
+ break;
+ case 's':
+ case 'i':
+ r->class = SPECIFIER;
+ SPEC_NOUN(r) = V_INT;
+ break;
+ case 'l':
+ r->class = SPECIFIER;
+ SPEC_NOUN(r) = V_INT;
+ SPEC_LONG(r) = 1;
+ break;
+ case 'f':
+ r->class = SPECIFIER;
+ SPEC_NOUN(r) = V_FLOAT;
+ break;
+ case 'v':
+ r->class = SPECIFIER;
+ SPEC_NOUN(r) = V_VOID;
+ break;
+ case '*':
+ DCL_TYPE(r) = port->unqualified_pointer;
+ break;
+ case 'g':
+ case 'x':
+ case 'p':
+ case 'd':
+ case 'F':
+ assert(*(s+1)=='*');
+ nr = newLink(DECLARATOR);
+ nr->next = r;
+ r = nr;
+ switch (*s) {
+ case 'g':
+ DCL_TYPE(r) = GPOINTER;
+ break;
+ case 'x':
+ DCL_TYPE(r) = FPOINTER;
+ break;
+ case 'p':
+ DCL_TYPE(r) = CPOINTER;
+ break;
+ case 'd':
+ DCL_TYPE(r) = POINTER;
+ break;
+ case 'F':
+ DCL_TYPE(r) = FUNCTION;
+ nr = newLink(DECLARATOR);
+ nr->next = r;
+ r = nr;
+ DCL_TYPE(r) = CPOINTER;
+ break;
+ }
+ s++;
+ break;
+ default:
+ werror(E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "typeFromStr: unknown type");
+ break;
+ }
+ if (IS_SPEC(r) && usign) {
+ SPEC_USIGN(r) = 1;
+ usign = 0;
+ }
+ s++;
+ } while (*s);
+ return r;
+}
+
/*-----------------------------------------------------------------*/
/* initCSupport - create functions for C support routines */
/*-----------------------------------------------------------------*/
for (bwd = 0; bwd < 3; bwd++)
{
- sym_link *l;
+ sym_link *l = NULL;
switch (bwd)
{
case 0:
{
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);
+ SNPRINTF (buffer, sizeof(buffer), "__fs2%s%s", ssu[su], sbwd[bwd]);
+ __conv[tofrom][bwd][su] = funcOfType (buffer, __multypes[bwd][su], floatType, 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);
+ SNPRINTF (buffer, sizeof(buffer), "__%s%s2fs", ssu[su], sbwd[bwd]);
+ __conv[tofrom][bwd][su] = funcOfType (buffer, floatType, __multypes[bwd][su], 1, options.float_rent);
}
}
}
{
for (su = 0; su < 2; su++)
{
- sprintf (buffer, "_%s%s%s",
+ SNPRINTF (buffer, sizeof(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;
+ FUNC_NONBANKED (__muldiv[muldivmod][bwd][su]->type) = 1;
}
}
}
{
for (su = 0; su < 2; su++)
{
- sprintf (buffer, "_%s%s%s",
+ SNPRINTF (buffer, sizeof(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;
+ FUNC_NONBANKED (__rlrr[rlrr][bwd][su]->type) = 1;
}
}
}
}
+
+/*-----------------------------------------------------------------*/
+/* initBuiltIns - create prototypes for builtin functions */
+/*-----------------------------------------------------------------*/
+void initBuiltIns()
+{
+ int i;
+ symbol *sym;
+
+ if (!port->builtintable) return ;
+
+ for (i = 0 ; port->builtintable[i].name ; i++) {
+ sym = funcOfTypeVarg(port->builtintable[i].name,port->builtintable[i].rtype,
+ port->builtintable[i].nParms,port->builtintable[i].parm_types);
+ FUNC_ISBUILTIN(sym->type) = 1;
+ FUNC_ISREENT(sym->type) = 0; /* can never be reentrant */
+ }
+}
+
+sym_link *validateLink(sym_link *l,
+ const char *macro,
+ const char *args,
+ const char select,
+ const char *file,
+ unsigned line)
+{
+ if (l && l->class==select)
+ {
+ return l;
+ }
+ fprintf(stderr,
+ "Internal error: validateLink failed in %s(%s) @ %s:%u:"
+ " expected %s, got %s\n",
+ macro, args, file, line,
+ DECLSPEC2TXT(select), l ? DECLSPEC2TXT(l->class) : "null-link");
+ exit(-1);
+ return l; // never reached, makes compiler happy.
+}