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; /* 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 */
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)
{
SPEC_VOLATILE (sym->etype) = 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;
}
sym_link *symlink=dest;
if (!IS_SPEC(dest) || !IS_SPEC(src)) {
+#if 0
werror (E_INTERNAL_ERROR, __FILE__, __LINE__, "cannot merge declarator");
exit (1);
- }
-
- if (getenv("DEBUG_mergeSpec")) {
- fprintf (stderr, "mergeSpec: \"%s\"\n", name);
+#else
+ werror (E_SYNTAX_ERROR, yytext);
+ // the show must go on
+ return newIntLink();
+#endif
}
if (SPEC_NOUN(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_VOLATILE (dest) |= SPEC_VOLATILE (src);
SPEC_ADDR (dest) |= SPEC_ADDR (src);
SPEC_BLEN (dest) |= SPEC_BLEN (src);
SPEC_BSTR (dest) |= SPEC_BSTR (src);
SPEC_TYPEDEF (dest) |= SPEC_TYPEDEF (src);
+ SPEC_ENUM (dest) |= SPEC_ENUM (src);
if (IS_STRUCT (dest) && SPEC_STRUCT (dest) == NULL)
SPEC_STRUCT (dest) = SPEC_STRUCT (src);
/* 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);
sum += getSize (loop->type);
}
+#if 0 // jwk: this is done now in addDecl()
/* if function then do the arguments for it */
if (funcInChain (loop->type)) {
- processFuncArgs (loop, 1);
+ processFuncArgs (loop);
}
+#endif
loop = loop->next;
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 */
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);
{
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;
case S_FIXED:
if (SPEC_OCLS(val->etype)) {
DCL_TYPE(val->type)=PTR_TYPE(SPEC_OCLS(val->etype));
- }
- break;
-
- if (TARGET_IS_DS390)
- {
+ } else {
+#if 1
+ // this happens for (external) function parameters
+ DCL_TYPE (val->type) = GPOINTER;
+#else
+ 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;
}
- if (options.model==MODEL_LARGE) {
- DCL_TYPE (val->type) = FPOINTER;
- break;
+ if (options.model==MODEL_LARGE) {
+ DCL_TYPE (val->type) = FPOINTER;
+ break;
+ }
+#endif
}
- /* fall through! */
+ break;
case S_AUTO:
case S_DATA:
case S_REGISTER:
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 (compareType (exargs->type, checkValue->type) <= 0)
{
werror (E_ARG_TYPE, argCnt);
+ printFromToType(exargs->type, checkValue->type);
return 0;
}
}
/* 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 (IFFUNC_HASVARARGS(func->type))
- FUNC_ISREENT(func->type)=1;
+ if (IFFUNC_HASVARARGS(funcType))
+ FUNC_ISREENT(funcType)=1;
/* check if this function is defined as calleeSaves
then mark it as such */
- FUNC_CALLEESAVES(func->type) = inCalleeSaveList (func->name);
+ FUNC_CALLEESAVES(funcType) = inCalleeSaveList (func->name);
/* loop thru all the arguments */
- val = FUNC_ARGS(func->type);
+ val = FUNC_ARGS(funcType);
/* if it is void then remove parameters */
if (val && IS_VOID (val->type))
{
- FUNC_ARGS(func->type) = NULL;
+ FUNC_ARGS(funcType) = NULL;
return;
}
/* mark it as a register parameter if
the function does not have VA_ARG
and as port dictates */
- if (!IFFUNC_HASVARARGS(func->type) &&
+ if (!IFFUNC_HASVARARGS(funcType) &&
(*port->reg_parm) (val->type))
{
SPEC_REGPARM (val->etype) = 1;
{
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 (IFFUNC_ISREENT(func->type)) {
+ if (IFFUNC_ISREENT(funcType)) {
return;
}
} else {
/* if this function is reentrant or */
/* automatics r 2b stacked then nothing */
- if (IFFUNC_ISREENT (func->type) || options.stackAuto)
+ if (IFFUNC_ISREENT (funcType) || options.stackAuto)
return;
}
- val = FUNC_ARGS(func->type);
+ val = FUNC_ARGS(funcType);
pNum = 1;
while (val)
{
}
if (start==NULL) {
- fprintf (of, "**err**");
+ fprintf (of, "void");
return;
}
switch (DCL_TYPE (type))
{
case FUNCTION:
- fprintf (of, "function ");
+ fprintf (of, "function %s", (IFFUNC_ISBUILTIN(type) ? "__builtin__" : " "));
break;
case GPOINTER:
if (DCL_PTR_CONST (type))
fprintf (of, "const ");
- fprintf (of, "* generic ");
+ fprintf (of, "generic * ");
break;
case CPOINTER:
if (DCL_PTR_CONST (type))
fprintf (of, "const ");
- fprintf (of, "* code ");
+ fprintf (of, "code * ");
break;
case FPOINTER:
if (DCL_PTR_CONST (type))
fprintf (of, "const ");
- fprintf (of, "* xdata ");
+ fprintf (of, "xdata * ");
break;
case EEPPOINTER:
if (DCL_PTR_CONST (type))
fprintf (of, "const ");
- fprintf (of, "* eeprom ");
+ fprintf (of, "eeprom * ");
break;
case POINTER:
if (DCL_PTR_CONST (type))
fprintf (of, "const ");
- fprintf (of, "* near ");
+ fprintf (of, "near *");
break;
case IPOINTER:
if (DCL_PTR_CONST (type))
fprintf (of, "const ");
- fprintf (of, "* idata ");
+ fprintf (of, "idata * ");
break;
case PPOINTER:
if (DCL_PTR_CONST (type))
fprintf (of, "const ");
- fprintf (of, "* pdata ");
+ fprintf (of, "pdata * ");
break;
case UPOINTER:
if (DCL_PTR_CONST (type))
fprintf (of, "const ");
- fprintf (of, "* unkown ");
+ fprintf (of, "unkown * ");
break;
case ARRAY:
fprintf (of, "[] ");
}
}
+/*-----------------------------------------------------------------*/
+/* 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 */
+/* examples : "ig*" - generic int * */
+/* "cx*" - char xdata * */
+/* "ui" - unsigned int */
+/*-----------------------------------------------------------------*/
+sym_link *typeFromStr (char *s)
+{
+ sym_link *r = newLink();
+ 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) = GPOINTER;
+ break;
+ case 'g':
+ case 'x':
+ case 'p':
+ case 'd':
+ assert(*(s+1)=='*');
+ nr = newLink();
+ nr->next = r;
+ r = nr;
+ r->class = DECLARATOR ;
+ 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;
+ }
+ s++;
+ break;
+ default:
+ werror(E_INTERNAL_ERROR,"typeFromStr");
+ break;
+ }
+ if (IS_SPEC(r) && usign) {
+ SPEC_USIGN(r) = 1;
+ usign = 0;
+ }
+ s++;
+ } while (*s);
+ return r;
+}
+
/*-----------------------------------------------------------------*/
/* initCSupport - create functions for C support routines */
/*-----------------------------------------------------------------*/
}
}
}
+
+/*-----------------------------------------------------------------*/
+/* 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;
+ }
+}
projects / fw / sdcc / blobdiff