#include <limits.h>
#include "newalloc.h"
-#if defined(__BORLANDC__) || defined(_MSC_VER)
-#define LONG_LONG __int64
-#else
-#define LONG_LONG long long
-#endif
-
int cNestLevel;
/*-----------------------------------------------------------------*/
}
if (*sym->rname)
- sprintf (val->name, "%s", sym->rname);
+ {
+ SNPRINTF (val->name, sizeof(val->name), "%s", sym->rname);
+ }
else
- sprintf (val->name, "_%s", sym->name);
-
+ {
+ SNPRINTF (val->name, sizeof(val->name), "_%s", sym->name);
+ }
return val;
}
}
if (SPEC_USIGN(val->type)) {
- if (uval<=0xff) {
- SPEC_NOUN(val->type)=V_CHAR;
+ if (uval<=0xffff) {
SPEC_LONG(val->type)=0;
- } else {
- if (uval<=0xffff) {
- SPEC_LONG(val->type)=0;
+ SPEC_CVAL(val->type).v_uint = uval;
+ if (uval<=0xff) {
+ SPEC_NOUN(val->type)=V_CHAR;
}
}
- } else {
+ } else { // not unsigned
if (sval<0) {
- if (sval>=-128) {
- SPEC_NOUN(val->type)=V_CHAR;
+ if (sval>=-32768) {
SPEC_LONG(val->type)=0;
- } else {
- if (sval>=-32768) {
- SPEC_LONG(val->type)=0;
+ SPEC_CVAL(val->type).v_int = sval;
+ if (sval>=-128) {
+ SPEC_NOUN(val->type)=V_CHAR;
}
}
- } else {
- if (sval<=127) {
- SPEC_NOUN(val->type)=V_CHAR;
+ } else { // sval>=0
+ SPEC_USIGN(val->type)=1;
+ if (sval<=65535) {
SPEC_LONG(val->type)=0;
- } else {
- if (sval<=32767) {
- SPEC_LONG(val->type)=0;
+ SPEC_CVAL(val->type).v_int = sval;
+ if (sval<=255) {
+ SPEC_NOUN(val->type)=V_CHAR;
}
}
}
if ((((long) lit) - lit) == 0)
{
- sprintf (buffer, "%ld", (long) lit);
+ SNPRINTF (buffer, sizeof(buffer), "%ld", (long) lit);
return constVal (buffer);
}
- sprintf (buffer, "%f", lit);
+ SNPRINTF (buffer, sizeof(buffer), "%f", lit);
return constFloatVal (buffer);
}
return constVal ("0");
}
- val->type = val->etype = newLink ();
- val->type->class = SPECIFIER;
+ val->type = val->etype = newLink (SPECIFIER);
SPEC_NOUN (val->type) = V_FLOAT;
SPEC_SCLS (val->type) = S_LITERAL;
SPEC_CVAL (val->type).v_float = sval;
short hex = 0, octal = 0;
char scanFmt[10];
int scI = 0;
- LONG_LONG sval;
+ double dval;
val = newValue (); /* alloc space for value */
- val->type = val->etype = newLink (); /* create the spcifier */
- val->type->class = SPECIFIER;
+ val->type = val->etype = newLink (SPECIFIER); /* create the spcifier */
SPEC_SCLS (val->type) = S_LITERAL;
// let's start with an unsigned char
SPEC_NOUN (val->type) = V_CHAR;
SPEC_USIGN (val->type) = 1;
- /* set the _long flag if 'lL' is found */
- if (strchr (s, 'l') || strchr (s, 'L'))
- SPEC_LONG (val->type) = 1;
-
hex = ((strchr (s, 'x') || strchr (s, 'X')) ? 1 : 0);
/* set the octal flag */
/* create the scan string */
scanFmt[scI++] = '%';
- scanFmt[scI++] = 'L';
+ scanFmt[scI++] = 'l';
if (octal)
scanFmt[scI++] = 'o';
else if (hex)
scanFmt[scI++] = 'x';
else
- scanFmt[scI++] = 'd';
+ scanFmt[scI++] = 'f';
scanFmt[scI++] = '\0';
- sscanf (s, scanFmt, &sval);
+ if (octal || hex) {
+ unsigned long sval;
+ sscanf (s, scanFmt, &sval);
+ dval=sval;
+ } else {
+ sscanf (s, scanFmt, &dval);
+ }
- if (sval<0) { // "-28u" will still be signed and negative
+ /* Setup the flags first */
+ /* set the _long flag if 'lL' is found */
+ if (strchr (s, 'l') || strchr (s, 'L')) {
+ SPEC_NOUN (val->type) = V_INT;
+ SPEC_LONG (val->type) = 1;
+ }
+
+ if (dval<0) { // "-28u" will still be signed and negative
SPEC_USIGN (val->type) = 0;
- if (sval<-32768) { // check if we have to promote to long
+ if (dval<-128) { // check if we have to promote to int
SPEC_NOUN (val->type) = V_INT;
+ }
+ if (dval<-32768) { // check if we have to promote to long int
SPEC_LONG (val->type) = 1;
- SPEC_CVAL (val->type).v_long=sval;
- } else {
- SPEC_CVAL (val->type).v_int=sval;
- if (sval<-128) { // check if we have to promote to int
- SPEC_NOUN (val->type) = V_INT;
- }
}
- } else {
- if (sval>0xffff) { // check if we have to promote to long
+ } else { // >=0
+ if (dval>0xff) { // check if we have to promote to int
SPEC_NOUN (val->type) = V_INT;
+ }
+ if (dval>0xffff) { // check if we have to promote to long int
SPEC_LONG (val->type) = 1;
- SPEC_CVAL (val->type).v_ulong=sval;
- } else {
- SPEC_CVAL (val->type).v_uint=sval;
- if (sval>0xff) { // check if we have to promote to int
- SPEC_NOUN (val->type) = V_INT;
- }
}
}
+ if (SPEC_LONG (val->type))
+ {
+ if (SPEC_USIGN (val->type))
+ {
+ SPEC_CVAL (val->type).v_ulong = dval;
+ }
+ else
+ {
+ SPEC_CVAL (val->type).v_long = dval;
+ }
+ }
+ else
+ {
+ if (SPEC_USIGN (val->type))
+ {
+ SPEC_CVAL (val->type).v_uint = dval;
+ }
+ else
+ {
+ SPEC_CVAL (val->type).v_int = dval;
+ }
+ }
+
return val;
}
/param src Pointer to 'x' from start of hex character value
*/
-char hexEscape(char **src)
-
+unsigned char hexEscape(char **src)
{
-char *s ;
-unsigned long value ;
-
-(*src)++ ; /* Skip over the 'x' */
-s = *src ; /* Save for error detection */
-
-value = strtol (*src, src, 16);
-
-if (s == *src)
- {
- // no valid hex found
- werror(E_INVALID_HEX);
- }
-
-else
- {
- if (value > 255)
- {
- werror(W_ESC_SEQ_OOR_FOR_CHAR);
+ char *s ;
+ unsigned long value ;
+
+ (*src)++ ; /* Skip over the 'x' */
+ s = *src ; /* Save for error detection */
+
+ value = strtol (*src, src, 16);
+
+ if (s == *src) {
+ // no valid hex found
+ werror(E_INVALID_HEX);
+ } else {
+ if (value > 255) {
+ werror(W_ESC_SEQ_OOR_FOR_CHAR);
}
}
-
-return (char) value;
+ return (char) value;
}
+
/*------------------------------------------------------------------*/
/* octalEscape - process an octal constant of max three digits */
/* return the octal value, throw a warning for illegal octal */
/* adjust src to point at the last proccesed char */
/*------------------------------------------------------------------*/
-char octalEscape (char **str) {
+unsigned char octalEscape (char **str) {
int digits;
unsigned value=0;
val = newValue (); /* get a new one */
/* get a declarator */
- val->type = newLink ();
+ val->type = newLink (DECLARATOR);
DCL_TYPE (val->type) = ARRAY;
- val->type->next = val->etype = newLink ();
- val->etype->class = SPECIFIER;
+ val->type->next = val->etype = newLink (SPECIFIER);
SPEC_NOUN (val->etype) = V_CHAR;
SPEC_SCLS (val->etype) = S_LITERAL;
dest = newValue ();
dest->sym = copySymbol (src->sym);
- strcpy (dest->name, src->name);
+ strncpyz (dest->name, src->name, SDCC_NAME_MAX);
dest->type = (src->type ? copyLinkChain (src->type) : NULL);
dest->etype = (src->type ? getSpec (dest->type) : NULL);
val = newValue ();
- val->type = val->etype = newLink ();
- val->type->class = SPECIFIER;
+ val->type = val->etype = newLink (SPECIFIER);
SPEC_NOUN (val->type) = V_CHAR;
SPEC_USIGN(val->type) = 1;
SPEC_SCLS (val->type) = S_LITERAL;
switch (*s)
{
case 'n':
- SPEC_CVAL (val->type).v_int = '\n';
+ SPEC_CVAL (val->type).v_uint = '\n';
break;
case 't':
- SPEC_CVAL (val->type).v_int = '\t';
+ SPEC_CVAL (val->type).v_uint = '\t';
break;
case 'v':
- SPEC_CVAL (val->type).v_int = '\v';
+ SPEC_CVAL (val->type).v_uint = '\v';
break;
case 'b':
- SPEC_CVAL (val->type).v_int = '\b';
+ SPEC_CVAL (val->type).v_uint = '\b';
break;
case 'r':
- SPEC_CVAL (val->type).v_int = '\r';
+ SPEC_CVAL (val->type).v_uint = '\r';
break;
case 'f':
- SPEC_CVAL (val->type).v_int = '\f';
+ SPEC_CVAL (val->type).v_uint = '\f';
break;
case 'a':
- SPEC_CVAL (val->type).v_int = '\a';
+ SPEC_CVAL (val->type).v_uint = '\a';
break;
case '\\':
- SPEC_CVAL (val->type).v_int = '\\';
+ SPEC_CVAL (val->type).v_uint = '\\';
break;
case '\?':
- SPEC_CVAL (val->type).v_int = '\?';
+ SPEC_CVAL (val->type).v_uint = '\?';
break;
case '\'':
- SPEC_CVAL (val->type).v_int = '\'';
+ SPEC_CVAL (val->type).v_uint = '\'';
break;
case '\"':
- SPEC_CVAL (val->type).v_int = '\"';
+ SPEC_CVAL (val->type).v_uint = '\"';
break;
case '0' :
case '5' :
case '6' :
case '7' :
- SPEC_CVAL (val->type).v_int = octalEscape(&s);
+ SPEC_CVAL (val->type).v_uint = octalEscape(&s);
break;
case 'x':
- SPEC_CVAL (val->type).v_int = hexEscape(&s) ;
+ SPEC_CVAL (val->type).v_uint = hexEscape(&s) ;
break;
default:
- SPEC_CVAL (val->type).v_int = *s;
+ SPEC_CVAL (val->type).v_uint = (unsigned char)*s;
break;
}
}
else /* not a backslash */
- SPEC_CVAL (val->type).v_int = *s;
+ SPEC_CVAL (val->type).v_uint = (unsigned char)*s;
return val;
}
}
/*------------------------------------------------------------------*/
-/* floatFromVal - value to unsinged integer conversion */
+/* floatFromVal - value to double float conversion */
/*------------------------------------------------------------------*/
double
floatFromVal (value * val)
if (SPEC_NOUN (val->etype) == V_FLOAT)
return (double) SPEC_CVAL (val->etype).v_float;
- else
+
+ if (SPEC_LONG (val->etype))
{
- if (SPEC_LONG (val->etype))
- {
- if (SPEC_USIGN (val->etype))
- return (double) SPEC_CVAL (val->etype).v_ulong;
- else
- return (double) SPEC_CVAL (val->etype).v_long;
- }
+ if (SPEC_USIGN (val->etype))
+ return (double) SPEC_CVAL (val->etype).v_ulong;
else
- {
- if (SPEC_USIGN (val->etype))
- return (double) SPEC_CVAL (val->etype).v_uint;
- else
- return (double) SPEC_CVAL (val->etype).v_int;
- }
+ return (double) SPEC_CVAL (val->etype).v_long;
}
+
+ if (SPEC_NOUN (val->etype) == V_INT) {
+ if (SPEC_USIGN (val->etype))
+ return (double) SPEC_CVAL (val->etype).v_uint;
+ else
+ return (double) SPEC_CVAL (val->etype).v_int;
+ }
+
+ if (SPEC_NOUN (val->etype) == V_CHAR) {
+ if (SPEC_USIGN (val->etype))
+ return (double) (unsigned char)SPEC_CVAL (val->etype).v_uint;
+ else
+ return (double) (signed char)SPEC_CVAL (val->etype).v_int;
+ }
+
+ if (IS_BITVAR(val->etype)) {
+ return (double) SPEC_CVAL (val->etype).v_uint;
+ }
+
+ if (SPEC_NOUN (val->etype) == V_VOID) {
+ return (double) SPEC_CVAL (val->etype).v_ulong;
+ }
+
+ // we are lost !
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__,
+ "floatFromVal: unknown value");
+ return 0;
}
SPEC_CVAL (val->etype).v_int = -SPEC_CVAL (val->etype).v_int;
}
}
+ // -(unsigned 3) now really is signed
+ SPEC_USIGN(val->etype)=0;
+ // -(unsigned char)135 now really is an int
+ if (SPEC_NOUN(val->etype) == V_CHAR) {
+ if (SPEC_CVAL(val->etype).v_int < -128) {
+ SPEC_NOUN(val->etype) = V_INT;
+ }
+ }
return val;
}
else
SPEC_CVAL (val->etype).v_int = ~SPEC_CVAL (val->etype).v_int;
}
+ // ~(unsigned 3) now really is signed
+ SPEC_USIGN(val->etype)=0;
return val;
}
/* create a new value */
val = newValue ();
- val->type = val->etype = newLink ();
- val->type->class = SPECIFIER;
+ val->type = val->etype = newLink (SPECIFIER);
SPEC_NOUN (val->type) = (IS_FLOAT (lval->etype) ||
IS_FLOAT (rval->etype) ? V_FLOAT : V_INT);
SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
SPEC_USIGN (val->type) = (SPEC_USIGN (lval->etype) & SPEC_USIGN (rval->etype));
- SPEC_LONG (val->type) = (SPEC_LONG (lval->etype) | SPEC_LONG (rval->etype));
+ SPEC_LONG (val->type) = 1;
if (IS_FLOAT (val->type))
SPEC_CVAL (val->type).v_float = floatFromVal (lval) * floatFromVal (rval);
SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) *
(long) floatFromVal (rval);
}
- else
- {
- if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_uint = (unsigned) floatFromVal (lval) *
- (unsigned) floatFromVal (rval);
- else
- SPEC_CVAL (val->type).v_int = (int) floatFromVal (lval) *
- (int) floatFromVal (rval);
- }
}
return cheapestVal(val);
}
/* create a new value */
val = newValue ();
- val->type = val->etype = newLink();
- val->type->class = SPECIFIER;
+ val->type = val->etype = newLink(SPECIFIER);
SPEC_NOUN (val->type) = (IS_FLOAT (lval->etype) ||
IS_FLOAT (rval->etype) ? V_FLOAT : V_INT);
SPEC_SCLS (val->etype) = S_LITERAL;
/* create a new value */
val = newValue ();
- val->type = val->etype = newLink ();
- val->type->class = SPECIFIER;
+ val->type = val->etype = newLink (SPECIFIER);
SPEC_NOUN (val->type) = V_INT; /* type is int */
SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
SPEC_USIGN (val->type) = (SPEC_USIGN (lval->etype) & SPEC_USIGN (rval->etype));
/* create a new value */
val = newValue ();
- val->type = val->etype = newLink ();
- val->type->class = SPECIFIER;
+ val->type = val->etype = newLink (SPECIFIER);
SPEC_NOUN (val->type) = (IS_FLOAT (lval->etype) ||
IS_FLOAT (rval->etype) ? V_FLOAT : V_INT);
SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
SPEC_USIGN (rval->etype) &&
(floatFromVal(lval)+floatFromVal(rval))>=0;
- SPEC_LONG (val->type) = (SPEC_LONG (lval->etype) | SPEC_LONG (rval->etype));
+ SPEC_LONG (val->type) = 1;
if (IS_FLOAT (val->type))
SPEC_CVAL (val->type).v_float = floatFromVal (lval) + floatFromVal (rval);
SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) +
(long) floatFromVal (rval);
}
- else
- {
- if (SPEC_USIGN (val->type)) {
- SPEC_CVAL (val->type).v_uint = (unsigned) floatFromVal (lval) +
- (unsigned) floatFromVal (rval);
- } else {
- SPEC_CVAL (val->type).v_int = (int) floatFromVal (lval) +
- (int) floatFromVal (rval);
- }
- }
}
return cheapestVal(val);
}
/* create a new value */
val = newValue ();
- val->type = val->etype = newLink ();
- val->type->class = SPECIFIER;
+ val->type = val->etype = newLink (SPECIFIER);
SPEC_NOUN (val->type) = (IS_FLOAT (lval->etype) ||
IS_FLOAT (rval->etype) ? V_FLOAT : V_INT);
SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
val->type = val->etype = newIntLink ();
SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
SPEC_USIGN (val->type) = (SPEC_USIGN (lval->etype) & SPEC_USIGN (rval->etype));
- SPEC_LONG (val->type) = (SPEC_LONG (lval->etype) | SPEC_LONG (rval->etype));
+ SPEC_LONG (val->type) = 1;
if (SPEC_LONG (val->type))
{
(long) floatFromVal (lval) << (long) floatFromVal (rval) : \
(long) floatFromVal (lval) >> (long) floatFromVal (rval);
}
- else
- {
- if (SPEC_USIGN (val->type)) {
- SPEC_CVAL (val->type).v_uint = lr ?
- (unsigned) floatFromVal (lval) << (unsigned) floatFromVal (rval) :\
- (unsigned) floatFromVal (lval) >> (unsigned) floatFromVal (rval);
- } else {
- SPEC_CVAL (val->type).v_int = lr ?
- (int) floatFromVal (lval) << (int) floatFromVal (rval) : \
- (int) floatFromVal (lval) >> (int) floatFromVal (rval);
- }
- }
return cheapestVal(val);
}
/* create a new value */
val = newValue ();
- val->type = copyLinkChain (lval->type);
+ val->type = copyLinkChain (getSize(rval->type) > getSize(lval->type) ?
+ rval->type : lval->type);
val->etype = getSpec (val->type);
switch (op)
SPEC_SCLS (val->etype) = S_LITERAL;
/* if it is not a specifier then we can assume that */
/* it will be an unsigned long */
- if (!IS_SPEC (val->type))
- {
+ if (!IS_SPEC (val->type)) {
SPEC_CVAL (val->etype).v_ulong = (unsigned long) fval;
return val;
- }
+ }
if (SPEC_NOUN (val->etype) == V_FLOAT)
- SPEC_CVAL (val->etype).v_float = fval;
- else
- {
- if (SPEC_LONG (val->etype))
- {
+ SPEC_CVAL (val->etype).v_float = fval;
+ else {
+ unsigned long l = fval;
+ if (SPEC_LONG (val->etype)) {
if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_ulong = (unsigned long) fval;
+ SPEC_CVAL (val->etype).v_ulong = (unsigned long) l;
else
- SPEC_CVAL (val->etype).v_long = (long) fval;
- }
- else
- {
+ SPEC_CVAL (val->etype).v_long = (long) l;
+ } else {
if (SPEC_USIGN (val->etype))
- if (SPEC_NOUN (val->etype)==V_CHAR) {
- SPEC_CVAL (val->etype).v_uint = (unsigned char) fval;
- } else {
- SPEC_CVAL (val->etype).v_uint = (unsigned int) fval;
- }
+ SPEC_CVAL (val->etype).v_uint = (unsigned short)l;
else
- if (SPEC_NOUN (val->etype)==V_CHAR) {
- SPEC_CVAL (val->etype).v_int = (char) fval;
- } else {
- SPEC_CVAL (val->etype).v_int = (int) fval;
- }
- }
- }
+ SPEC_CVAL (val->etype).v_int = (short)l;
+ }
+ }
return val;
}
int
getNelements (sym_link * type, initList * ilist)
{
- sym_link *etype = getSpec (type);
int i;
if (!ilist)
/* if type is a character array and there is only one
(string) initialiser then get the length of the string */
- if (IS_ARRAY (type) && IS_CHAR (etype) && !ilist->next)
+ if (IS_ARRAY (type) && IS_CHAR (type->next) && !ilist->next)
{
ast *iast = ilist->init.node;
value *v = (iast->type == EX_VALUE ? iast->opval.val : NULL);
if (!v)
{
- werror (W_INIT_WRONG);
+ werror (E_CONST_EXPECTED);
return 0;
}
i++;
ilist = ilist->next;
}
-
return i;
}
val = newValue ();
if (!lval)
- sprintf (buffer, "%s", AST_SYMBOL (arrExpr->left)->rname);
+ {
+ SNPRINTF (buffer, sizeof(buffer), "%s", AST_SYMBOL (arrExpr->left)->rname);
+ }
else
- sprintf (buffer, "%s", lval->name);
+ {
+ SNPRINTF (buffer, sizeof(buffer), "%s", lval->name);
+ }
- sprintf (val->name, "(%s + %d)", buffer,
+ SNPRINTF (val->name, sizeof(val->name), "(%s + %d)", buffer,
(int) AST_LIT_VALUE (arrExpr->right) * size);
- val->type = newLink ();
+ val->type = newLink (DECLARATOR);
if (SPEC_SCLS (arrExpr->left->etype) == S_CODE)
{
DCL_TYPE (val->type) = CPOINTER;
val = newValue ();
if (!lval)
- sprintf (buffer, "%s", AST_SYMBOL (structT)->rname);
+ {
+ SNPRINTF(buffer, sizeof(buffer), "%s", AST_SYMBOL (structT)->rname);
+ }
else
- sprintf (buffer, "%s", lval->name);
+ {
+ SNPRINTF (buffer, sizeof(buffer), "%s", lval->name);
+ }
- sprintf (val->name, "(%s + %d)", buffer,
+ SNPRINTF (val->name, sizeof(val->name), "(%s + %d)", buffer,
(int) sym->offset);
- val->type = newLink ();
+ val->type = newLink (DECLARATOR);
if (SPEC_SCLS (structT->etype) == S_CODE)
{
DCL_TYPE (val->type) = CPOINTER;
val = newValue ();
- sprintf (val->name, "(%s %c %d)",
+ SNPRINTF (val->name, sizeof(val->name), "(%s %c %d)",
AST_SYMBOL (aexpr)->rname, op,
getSize (type->next) * (int) AST_LIT_VALUE (cnst));
val = newValue ();
- sprintf (val->name, "(%s)",
+ SNPRINTF (val->name, sizeof(val->name), "(%s)",
AST_SYMBOL (aexpr)->rname);
val->type = type;