#include <math.h>
#include <stdlib.h>
#include <limits.h>
+#include <errno.h>
#include "newalloc.h"
int cNestLevel;
{
initList *iLoop;
literalList *head, *last, *newL;
-
+
head = last = NULL;
-
+
if (!src || src->type != INIT_DEEP)
{
- return FALSE;
+ return FALSE;
}
-
+
iLoop = src->init.deep;
-
+
while (iLoop)
{
if (iLoop->type != INIT_NODE)
return FALSE;
}
- if (!IS_AST_LIT_VALUE(decorateType(resolveSymbols(iLoop->init.node), RESULT_CHECK)))
+ if (!IS_AST_LIT_VALUE(decorateType(resolveSymbols(iLoop->init.node), RESULT_TYPE_NONE)))
{
return FALSE;
}
newL->literalValue = val;
newL->count = 1;
newL->next = NULL;
-
+
if (last)
{
last->next = newL;
}
iLoop = iLoop->next;
}
-
- if (!head)
+
+ if (!head)
{
return FALSE;
}
-
+
*lList = head;
return TRUE;
}
copyLiteralList(literalList *src)
{
literalList *head, *prev, *newL;
-
+
head = prev = NULL;
-
+
while (src)
{
newL = Safe_alloc(sizeof(literalList));
-
+
newL->literalValue = src->literalValue;
newL->count = src->count;
newL->next = NULL;
-
+
if (prev)
{
prev->next = newL;
prev = newL;
src = src->next;
}
-
+
return head;
}
TYPE_DWORD sval=0;
TYPE_UDWORD uval=0;
- if (IS_FLOAT(val->type) || IS_CHAR(val->type))
+ if (IS_FLOAT(val->type) || IS_FIXED(val->type) || IS_CHAR(val->type))
return val;
if (SPEC_LONG(val->type)) {
static value *cheapestVal (value *val)
{
- if (IS_FLOAT (val->type) || IS_CHAR (val->type))
+ if (IS_FLOAT (val->type) || IS_FIXED (val->type) || IS_CHAR (val->type))
return val;
/* - signed/unsigned must not be changed.
return val;
}
+/*-----------------------------------------------------------------*/
+/* constFixed16x16Val - converts a FIXED16X16 constant to value */
+/*-----------------------------------------------------------------*/
+value *
+constFixed16x16Val (char *s)
+{
+ value *val = newValue ();
+ double sval;
+
+ if (sscanf (s, "%lf", &sval) != 1)
+ {
+ werror (E_INVALID_FLOAT_CONST, s);
+ return constVal ("0");
+ }
+
+ val->type = val->etype = newLink (SPECIFIER);
+ SPEC_NOUN (val->type) = V_FLOAT;
+ SPEC_SCLS (val->type) = S_LITERAL;
+ SPEC_CVAL (val->type).v_fixed16x16 = fixed16x16FromDouble ( sval );
+
+ return val;
+}
+
/*-----------------------------------------------------------------*/
/* constVal - converts an INTEGER constant into a cheapest value */
/*-----------------------------------------------------------------*/
{
value *val;
short hex = 0, octal = 0;
- char scanFmt[10];
- int scI = 0;
double dval;
val = newValue (); /* alloc space for value */
if (!hex && *s == '0' && *(s + 1))
octal = 1;
- /* create the scan string */
- scanFmt[scI++] = '%';
-
- scanFmt[scI++] = 'l';
-
- if (octal)
- scanFmt[scI++] = 'o';
- else if (hex)
- scanFmt[scI++] = 'x';
- else
- scanFmt[scI++] = 'f';
-
- scanFmt[scI++] = '\0';
-
- if (octal || hex) {
+ errno = 0;
+ if (hex || octal) {
unsigned long sval;
- sscanf (s, scanFmt, &sval);
+ sval = strtoul (s, NULL, 0);
dval=sval;
+ if (errno) {
+ dval = 4294967295.0;
+ werror (W_INVALID_INT_CONST, s, dval);
+ }
} else {
- sscanf (s, scanFmt, &dval);
+ sscanf (s, "%lf", &dval);
}
/* 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;
- }
-
/* set the unsigned flag if 'uU' is found */
if (strchr (s, 'u') || strchr (s, 'U')) {
SPEC_USIGN (val->type) = 1;
}
- if (dval<0) { // "-28u" will still be signed and negative
- 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;
- }
- } else { // >=0
- if (dval>0xff || /* check if we have to promote to int */
- SPEC_USIGN (val->type)) { /* if it's unsigned, we can't use unsigned
- char. After an integral promotion it will
- be a signed int; this certainly isn't what
- the programer wants */
- SPEC_NOUN (val->type) = V_INT;
- }
- else { /* store char's always as unsigned; this helps other optimizations */
- SPEC_USIGN (val->type) = 1;
- }
- if (dval>0xffff && SPEC_USIGN (val->type)) { // check if we have to promote to long
- SPEC_LONG (val->type) = 1;
- }
- else if (dval>0x7fff && !SPEC_USIGN (val->type)) { // check if we have to promote to long int
- if ((hex || octal) && /* hex or octal constants may be stored in unsigned type */
- dval<=0xffff) {
+ /* set the b_long flag if 'lL' is found */
+ if (strchr (s, 'l') || strchr (s, 'L')) {
+ SPEC_NOUN (val->type) = V_INT;
+ SPEC_LONG (val->type) = 1;
+ } else {
+ if (dval<0) { // "-28u" will still be signed and negative
+ 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;
+ }
+ } else { // >=0
+ if (dval>0xff || /* check if we have to promote to int */
+ SPEC_USIGN (val->type)) { /* if it's unsigned, we can't use unsigned
+ char. After an integral promotion it will
+ be a signed int; this certainly isn't what
+ the programer wants */
+ SPEC_NOUN (val->type) = V_INT;
+ }
+ else { /* store char's always as unsigned; this helps other optimizations */
SPEC_USIGN (val->type) = 1;
- } else {
+ }
+ if (dval>0xffff && SPEC_USIGN (val->type)) { // check if we have to promote to long
SPEC_LONG (val->type) = 1;
- if (dval>0x7fffffff) {
+ }
+ else if (dval>0x7fff && !SPEC_USIGN (val->type)) { // check if we have to promote to long int
+ if ((hex || octal) && /* hex or octal constants may be stored in unsigned type */
+ dval<=0xffff) {
SPEC_USIGN (val->type) = 1;
- }
+ } else {
+ SPEC_LONG (val->type) = 1;
+ if (dval>0x7fffffff) {
+ SPEC_USIGN (val->type) = 1;
+ }
+ }
}
}
}
+ /* check for out of range */
+ if (dval<-2147483648.0) {
+ dval = -2147483648.0;
+ werror (W_INVALID_INT_CONST, s, dval);
+ }
+ if (dval>2147483647.0 && !SPEC_USIGN (val->type)) {
+ dval = 2147483647.0;
+ werror (W_INVALID_INT_CONST, s, dval);
+ }
+ if (dval>4294967295.0) {
+ dval = 4294967295.0;
+ werror (W_INVALID_INT_CONST, s, dval);
+ }
+
if (SPEC_LONG (val->type))
{
if (SPEC_USIGN (val->type))
(*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);
return value;
}
-/*!
+/*!
/fn int copyStr (char *dest, char *src)
-
+
Copies a source string to a dest buffer interpreting escape sequences
and special characters
*/
-int
+int
copyStr (char *dest, char *src)
{
src-- ;
break;
- case 'x':
+ case 'x':
*dest++ = hexEscape(&src) ;
src-- ;
break ;
if (SPEC_NOUN (val->etype) == V_FLOAT)
return (double) SPEC_CVAL (val->etype).v_float;
+ if (SPEC_NOUN (val->etype) == V_FIXED16X16)
+ return (double) doubleFromFixed16x16( SPEC_CVAL (val->etype).v_fixed16x16 );
+
if (SPEC_LONG (val->etype))
{
if (SPEC_USIGN (val->etype))
/* depending on type */
if (SPEC_NOUN (val->etype) == V_FLOAT)
SPEC_CVAL (val->etype).v_float = -1.0 * SPEC_CVAL (val->etype).v_float;
+ if (SPEC_NOUN (val->etype) == V_FIXED16X16)
+ SPEC_CVAL (val->etype).v_fixed16x16 = -SPEC_CVAL (val->etype).v_fixed16x16;
else
{
if (SPEC_LONG (val->etype))
if (IS_FLOAT (val->type))
SPEC_CVAL (val->type).v_float = floatFromVal (lval) * floatFromVal (rval);
+ else
+ if (IS_FIXED16X16 (val->type))
+ SPEC_CVAL (val->type).v_fixed16x16 = fixed16x16FromDouble(floatFromVal (lval) * floatFromVal (rval));
/* signed and unsigned mul are the same, as long as the precision of the
result isn't bigger than the precision of the operands. */
else if (SPEC_LONG (val->type))
if (IS_FLOAT (val->type))
SPEC_CVAL (val->type).v_float = floatFromVal (lval) / floatFromVal (rval);
+ else
+ if (IS_FIXED16X16 (val->type))
+ SPEC_CVAL (val->type).v_fixed16x16 = fixed16x16FromDouble( floatFromVal (lval) / floatFromVal (rval) );
else if (SPEC_LONG (val->type))
{
if (SPEC_USIGN (val->type))
RESULT_TYPE_INT,
'+');
SPEC_SCLS (val->etype) = S_LITERAL; /* will remain literal */
-
+
if (IS_FLOAT (val->type))
SPEC_CVAL (val->type).v_float = floatFromVal (lval) + floatFromVal (rval);
+ else
+ if (IS_FIXED16X16 (val->type))
+ SPEC_CVAL (val->type).v_fixed16x16 = fixed16x16FromDouble( floatFromVal (lval) + floatFromVal (rval) );
else if (SPEC_LONG (val->type))
{
if (SPEC_USIGN (val->type))
RESULT_TYPE_INT,
'-');
SPEC_SCLS (val->etype) = S_LITERAL; /* will remain literal */
-
+
if (IS_FLOAT (val->type))
SPEC_CVAL (val->type).v_float = floatFromVal (lval) - floatFromVal (rval);
+ else
+ if (IS_FIXED16X16 (val->type))
+ SPEC_CVAL (val->type).v_fixed16x16 = fixed16x16FromDouble( floatFromVal (lval) - floatFromVal (rval) );
else if (SPEC_LONG (val->type))
{
if (SPEC_USIGN (val->type))
{
SPEC_CVAL (val->type).v_int = floatFromVal (lval) == floatFromVal (rval);
}
+ else
+ if (SPEC_NOUN(lval->type) == V_FIXED16X16 ||
+ SPEC_NOUN(rval->type) == V_FIXED16X16)
+ {
+ SPEC_CVAL (val->type).v_int = floatFromVal (lval) == floatFromVal (rval);
+ }
else
{
/* integrals: ignore signedness */
{
SPEC_CVAL (val->type).v_int = floatFromVal (lval) != floatFromVal (rval);
}
+ else
+ if (SPEC_NOUN(lval->type) == V_FIXED16X16 ||
+ SPEC_NOUN(rval->type) == V_FIXED16X16)
+ {
+ SPEC_CVAL (val->type).v_int = floatFromVal (lval) != floatFromVal (rval);
+ }
else
{
/* integrals: ignore signedness */
}
break;
}
-
+
return cheapestVal(val);
}
return NULL;
val = newValue ();
- val->etype = getSpec (val->type = copyLinkChain (dtype));
+ if (dtype)
+ val->etype = getSpec (val->type = copyLinkChain (dtype));
+ else
+ {
+ val->etype = val->type = newLink (SPECIFIER);
+ SPEC_NOUN (val->etype) = V_VOID;
+ }
SPEC_SCLS (val->etype) = S_LITERAL;
/* if it is not a specifier then we can assume that */
if (SPEC_NOUN (val->etype) == V_FLOAT)
SPEC_CVAL (val->etype).v_float = fval;
+ else if (SPEC_NOUN (val->etype) == V_FIXED16X16)
+ SPEC_CVAL (val->etype).v_fixed16x16 = fixed16x16FromDouble( fval );
else if (SPEC_NOUN (val->etype) == V_BIT ||
SPEC_NOUN (val->etype) == V_SBIT)
- SPEC_CVAL (val->etype).v_uint = l & 1;
+ SPEC_CVAL (val->etype).v_uint = l ? 1 : 0;
else if (SPEC_NOUN (val->etype) == V_BITFIELD)
SPEC_CVAL (val->etype).v_uint = l &
(0xffffu >> (16 - SPEC_BLEN (val->etype)));
projects / fw / sdcc / blobdiff