#include <math.h>
#include <stdlib.h>
#include <limits.h>
+#include <errno.h>
#include "newalloc.h"
int cNestLevel;
/* newValue - allocates and returns a new value */
/*-----------------------------------------------------------------*/
value *
-newValue ()
+newValue (void)
{
value *val;
{
initList *nilist;
-
nilist = Safe_alloc (sizeof (initList));
nilist->type = type;
- nilist->lineno = mylineno;
+ nilist->filename = lexFilename;
+ nilist->lineno = lexLineno;
switch (type)
{
}
/*------------------------------------------------------------------*/
-/* revinit - reverses the initial values for a value chain */
+/* revinit - reverses the initial values for a value chain */
/*------------------------------------------------------------------*/
initList *
revinit (initList * val)
}
bool
-convertIListToConstList(initList *src, literalList **lList)
+convertIListToConstList(initList *src, literalList **lList, int size)
{
+ int cnt = 0;
initList *iLoop;
literalList *head, *last, *newL;
-
+
head = last = NULL;
-
- if (!src || src->type != INIT_DEEP)
+
+ if (src && src->type != INIT_DEEP)
{
- return FALSE;
+ return FALSE;
}
-
- iLoop = src->init.deep;
-
+
+ iLoop = src ? src->init.deep : NULL;
+
while (iLoop)
{
- if (iLoop->type != INIT_NODE)
- {
- return FALSE;
- }
-
- if (!IS_AST_LIT_VALUE(decorateType(resolveSymbols(iLoop->init.node))))
- {
- return FALSE;
- }
- iLoop = iLoop->next;
- }
-
- // We've now established that the initializer list contains only literal values.
-
- iLoop = src->init.deep;
- while (iLoop)
+ if (iLoop->type != INIT_NODE)
+ {
+ return FALSE;
+ }
+
+ if (!IS_AST_LIT_VALUE(decorateType(resolveSymbols(iLoop->init.node), RESULT_TYPE_NONE)))
+ {
+ return FALSE;
+ }
+ iLoop = iLoop->next;
+ cnt++;
+ }
+ if (!size)
+ {
+ size = cnt;
+ }
+
+ /* We've now established that the initializer list contains only literal values. */
+
+ iLoop = src ? src->init.deep : NULL;
+ while (size--)
{
- double val = AST_LIT_VALUE(iLoop->init.node);
-
- if (last && last->literalValue == val)
- {
- last->count++;
- }
- else
- {
- newL = Safe_alloc(sizeof(literalList));
- newL->literalValue = val;
- newL->count = 1;
- newL->next = NULL;
-
- if (last)
- {
- last->next = newL;
- }
- else
- {
- head = newL;
- }
- last = newL;
- }
- iLoop = iLoop->next;
- }
-
- if (!head)
- {
- return FALSE;
- }
-
+ double val = iLoop ? AST_FLOAT_VALUE(iLoop->init.node) : 0;
+
+ if (last && last->literalValue == val)
+ {
+ last->count++;
+ }
+ else
+ {
+ newL = Safe_alloc(sizeof(literalList));
+ newL->literalValue = val;
+ newL->count = 1;
+ newL->next = NULL;
+
+ if (last)
+ {
+ last->next = newL;
+ }
+ else
+ {
+ head = newL;
+ }
+ last = newL;
+ }
+ iLoop = iLoop ? iLoop->next : NULL;
+ }
+
+ 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;
- }
- else
- {
- head = newL;
- }
- prev = newL;
- src = src->next;
- }
-
+ newL = Safe_alloc(sizeof(literalList));
+
+ newL->literalValue = src->literalValue;
+ newL->count = src->count;
+ newL->next = NULL;
+
+ if (prev)
+ {
+ prev->next = newL;
+ }
+ else
+ {
+ head = newL;
+ }
+ prev = newL;
+ src = src->next;
+ }
+
return head;
}
/*------------------------------------------------------------------*/
-/* copyIlist - copy initializer list */
+/* copyIlist - copy initializer list */
/*------------------------------------------------------------------*/
initList *
copyIlist (initList * src)
/*------------------------------------------------------------------*/
/* list2int - converts the first element of the list to value */
/*------------------------------------------------------------------*/
-double
+double
list2int (initList * val)
{
initList *i = val;
ast *
list2expr (initList * ilist)
{
+ if (!ilist)
+ return NULL;
if (ilist->type == INIT_DEEP)
return list2expr (ilist->init.deep);
return ilist->init.node;
/*------------------------------------------------------------------*/
/* resolveIvalSym - resolve symbols in initial values */
/*------------------------------------------------------------------*/
-void
-resolveIvalSym (initList * ilist)
+void
+resolveIvalSym (initList * ilist, sym_link * type)
{
- if (!ilist)
- return;
+ int is_ptr = IS_PTR (type);
+ RESULT_TYPE resultType = getResultTypeFromType (getSpec (type));
- if (ilist->type == INIT_NODE)
- ilist->init.node = decorateType (resolveSymbols (ilist->init.node));
-
- if (ilist->type == INIT_DEEP)
- resolveIvalSym (ilist->init.deep);
+ while (ilist)
+ {
+ if (ilist->type == INIT_NODE)
+ {
+ ilist->init.node = decorateType (resolveSymbols (ilist->init.node),
+ is_ptr ? RESULT_TYPE_INT : resultType);
+ }
+ else if (ilist->type == INIT_DEEP)
+ {
+ resolveIvalSym (ilist->init.deep, type);
+ }
- resolveIvalSym (ilist->next);
+ ilist = ilist->next;
+ }
}
-/*-----------------------------------------------------------------*/
-/* symbolVal - creates a value for a symbol */
-/*-----------------------------------------------------------------*/
+/*------------------------------------------------------------------*/
+/* symbolVal - creates a value for a symbol */
+/*------------------------------------------------------------------*/
value *
symbolVal (symbol * sym)
{
if (*sym->rname)
{
- SNPRINTF (val->name, sizeof(val->name), "%s", sym->rname);
+ SNPRINTF (val->name, sizeof(val->name), "%s", sym->rname);
}
else
{
- SNPRINTF (val->name, sizeof(val->name), "_%s", sym->name);
+ SNPRINTF (val->name, sizeof(val->name), "_%s", sym->name);
}
return val;
}
/*--------------------------------------------------------------------*/
-/* cheapestVal - convert a val to the cheapest as possible value */
+/* cheapestVal - try to reduce 'signed int' to 'char' */
/*--------------------------------------------------------------------*/
-value *cheapestVal (value *val) {
- TYPE_DWORD sval=0;
- TYPE_UDWORD uval=0;
+static value *
+cheapestVal (value *val)
+{
+ /* only int can be reduced */
+ if (!IS_INT(val->type))
+ return val;
- if (IS_FLOAT(val->type) || IS_CHAR(val->type))
+ /* long must not be changed */
+ if (SPEC_LONG(val->type))
return val;
- if (SPEC_LONG(val->type)) {
- if (SPEC_USIGN(val->type)) {
- uval=SPEC_CVAL(val->type).v_ulong;
- } else {
- sval=SPEC_CVAL(val->type).v_long;
- }
- } else {
- if (SPEC_USIGN(val->type)) {
- uval=SPEC_CVAL(val->type).v_uint;
- } else {
- sval=SPEC_CVAL(val->type).v_int;
- }
- }
-
- if (SPEC_USIGN(val->type)) {
- if (uval<=0xffff) {
- SPEC_LONG(val->type)=0;
- SPEC_CVAL(val->type).v_uint = uval;
- if (uval<=0xff) {
- SPEC_NOUN(val->type)=V_CHAR;
- }
+ /* unsigned must not be changed */
+ if (SPEC_USIGN(val->type))
+ return val;
+
+ /* the only possible reduction is from signed int to (un)signed char,
+ because it's automatically promoted back to signed int.
+
+ a reduction from unsigned int to unsigned char is a bug,
+ because an _unsigned_ char is promoted to _signed_ int! */
+ if (SPEC_CVAL(val->type).v_int < -128 ||
+ SPEC_CVAL(val->type).v_int > 255)
+ {
+ /* not in the range of (un)signed char */
+ return val;
}
- } else { // not unsigned
- if (sval<0) {
- 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 { // sval>=0
- SPEC_USIGN(val->type)=1;
- if (sval<=65535) {
- SPEC_LONG(val->type)=0;
- SPEC_CVAL(val->type).v_int = sval;
- if (sval<=255) {
- SPEC_NOUN(val->type)=V_CHAR;
- }
+
+ SPEC_NOUN(val->type) = V_CHAR;
+
+ /* 'unsigned char' promotes to 'signed int', so that we can
+ reduce it the other way */
+ if (SPEC_CVAL(val->type).v_int >= 0)
+ {
+ SPEC_USIGN(val->type) = 1;
+ }
+ return (val);
+}
+
+/*--------------------------------------------------------------------*/
+/* checkConstantRange - check if constant fits in numeric range of */
+/* var type in comparisons and assignments */
+/*--------------------------------------------------------------------*/
+CCR_RESULT
+checkConstantRange (sym_link *var, sym_link *lit, int op, bool exchangeLeftRight)
+{
+ sym_link *reType;
+ double litVal;
+ int varBits;
+
+ litVal = floatFromVal (valFromType (lit));
+ varBits = bitsForType (var);
+
+ /* sanity checks */
+ if ( IS_FLOAT (var)
+ || IS_FIXED (var))
+ return CCR_OK;
+ if (varBits < 1)
+ return CCR_ALWAYS_FALSE;
+ if (varBits > 32)
+ return CCR_ALWAYS_TRUE;
+
+ /* special: assignment */
+ if (op == '=')
+ {
+ if (IS_BIT (var))
+ return CCR_OK;
+
+ if (getenv ("SDCC_VERY_PEDANTIC"))
+ {
+ if (SPEC_USIGN (var))
+ {
+ TYPE_TARGET_ULONG maxVal = 0xffffffffu >> (32 - varBits);
+
+ if ( litVal < 0
+ || litVal > maxVal)
+ return CCR_OVL;
+ return CCR_OK;
+ }
+ else
+ {
+ TYPE_TARGET_LONG minVal = 0xffffffff << (varBits - 1);
+ TYPE_TARGET_LONG maxVal = 0x7fffffff >> (32 - varBits);
+
+ if ( litVal < minVal
+ || litVal > maxVal)
+ return CCR_OVL;
+ return CCR_OK;
+ }
+ }
+ else
+ {
+ /* ignore signedness, e.g. allow everything
+ from -127...+255 for (unsigned) char */
+ TYPE_TARGET_LONG minVal = 0xffffffff << (varBits - 1);
+ TYPE_TARGET_ULONG maxVal = 0xffffffffu >> (32 - varBits);
+
+ if ( litVal < minVal
+ || litVal > maxVal)
+ return CCR_OVL;
+ return CCR_OK;
+ }
+ }
+
+ if (exchangeLeftRight)
+ switch (op)
+ {
+ case EQ_OP: break;
+ case NE_OP: break;
+ case '>': op = '<'; break;
+ case GE_OP: op = LE_OP; break;
+ case '<': op = '>'; break;
+ case LE_OP: op = GE_OP; break;
+ default: return CCR_ALWAYS_FALSE;
}
+
+ reType = computeType (var, lit, RESULT_TYPE_NONE, op);
+
+ if (SPEC_USIGN (reType))
+ {
+ /* unsigned operation */
+ TYPE_TARGET_ULONG minValP, maxValP, minValM, maxValM;
+ TYPE_TARGET_ULONG opBitsMask = 0xffffffffu >> (32 - bitsForType (reType));
+
+ if (SPEC_USIGN (lit) && SPEC_USIGN (var))
+ {
+ /* both operands are unsigned, this is easy */
+ minValP = 0;
+ maxValP = 0xffffffffu >> (32 - varBits);
+ /* there's only range, just copy it to 2nd set */
+ minValM = minValP;
+ maxValM = maxValP;
+ }
+ else if (SPEC_USIGN (var))
+ {
+ /* lit is casted from signed to unsigned, e.g.:
+ unsigned u;
+ u == (char) -17
+ -> u == 0xffef'
+ */
+ minValP = 0;
+ maxValP = 0xffffffffu >> (32 - varBits);
+ /* there's only one range, just copy it to 2nd set */
+ minValM = minValP;
+ maxValM = maxValP;
+
+ /* it's an unsigned operation */
+ if ( IS_CHAR (reType)
+ || IS_INT (reType))
+ {
+ /* make signed literal unsigned and
+ limit no of bits to size of return type */
+ litVal = (TYPE_TARGET_ULONG) double2ul (litVal) & opBitsMask;
+ }
+ }
+ else /* SPEC_USIGN (lit) */
+ {
+ /* var is casted from signed to unsigned, e.g.:
+ signed char c;
+ c == (unsigned) -17
+ -> c == 0xffef'
+
+ The possible values after casting var
+ split up in two, nonconsecutive ranges:
+
+ minValP = 0; positive range: 0...127
+ maxValP = 0x7f;
+ minValM = 0xff80; negative range: -128...-1
+ maxValM = 0xffff;
+ */
+
+ /* positive range */
+ minValP = 0;
+ maxValP = 0x7fffffffu >> (32 - varBits);
+
+ /* negative range */
+ minValM = 0xffffffff << (varBits - 1);
+ maxValM = 0xffffffffu; /* -1 */
+ /* limit no of bits to size of return type */
+ minValM &= opBitsMask;
+ maxValM &= opBitsMask;
+ }
+
+ switch (op)
+ {
+ case EQ_OP: /* var == lit */
+ if ( litVal <= maxValP
+ && litVal >= minValP) /* 0 */
+ return CCR_OK;
+ if ( litVal <= maxValM
+ && litVal >= minValM)
+ return CCR_OK;
+ return CCR_ALWAYS_FALSE;
+ case NE_OP: /* var != lit */
+ if ( litVal <= maxValP
+ && litVal >= minValP) /* 0 */
+ return CCR_OK;
+ if ( litVal <= maxValM
+ && litVal >= minValM)
+ return CCR_OK;
+ return CCR_ALWAYS_TRUE;
+ case '>': /* var > lit */
+ if (litVal >= maxValM)
+ return CCR_ALWAYS_FALSE;
+ if (litVal < minValP) /* 0 */
+ return CCR_ALWAYS_TRUE;
+ return CCR_OK;
+ case GE_OP: /* var >= lit */
+ if (litVal > maxValM)
+ return CCR_ALWAYS_FALSE;
+ if (litVal <= minValP) /* 0 */
+ return CCR_ALWAYS_TRUE;
+ return CCR_OK;
+ case '<': /* var < lit */
+ if (litVal > maxValM)
+ return CCR_ALWAYS_TRUE;
+ if (litVal <= minValP) /* 0 */
+ return CCR_ALWAYS_FALSE;
+ return CCR_OK;
+ case LE_OP: /* var <= lit */
+ if (litVal >= maxValM)
+ return CCR_ALWAYS_TRUE;
+ if (litVal < minValP) /* 0 */
+ return CCR_ALWAYS_FALSE;
+ return CCR_OK;
+ default:
+ return CCR_ALWAYS_FALSE;
+ }
+ }
+ else
+ {
+ /* signed operation */
+ TYPE_TARGET_LONG minVal, maxVal;
+
+ if (SPEC_USIGN (var))
+ {
+ /* unsigned var, but signed operation. This happens
+ when var is promoted to signed int.
+ Set actual min/max values of var. */
+ minVal = 0;
+ maxVal = 0xffffffff >> (32 - varBits);
+ }
+ else
+ {
+ /* signed var */
+ minVal = 0xffffffff << (varBits - 1);
+ maxVal = 0x7fffffff >> (32 - varBits);
+ }
+
+ switch (op)
+ {
+ case EQ_OP: /* var == lit */
+ if ( litVal > maxVal
+ || litVal < minVal)
+ return CCR_ALWAYS_FALSE;
+ return CCR_OK;
+ case NE_OP: /* var != lit */
+ if ( litVal > maxVal
+ || litVal < minVal)
+ return CCR_ALWAYS_TRUE;
+ return CCR_OK;
+ case '>': /* var > lit */
+ if (litVal >= maxVal)
+ return CCR_ALWAYS_FALSE;
+ if (litVal < minVal)
+ return CCR_ALWAYS_TRUE;
+ return CCR_OK;
+ case GE_OP: /* var >= lit */
+ if (litVal > maxVal)
+ return CCR_ALWAYS_FALSE;
+ if (litVal <= minVal)
+ return CCR_ALWAYS_TRUE;
+ return CCR_OK;
+ case '<': /* var < lit */
+ if (litVal > maxVal)
+ return CCR_ALWAYS_TRUE;
+ if (litVal <= minVal)
+ return CCR_ALWAYS_FALSE;
+ return CCR_OK;
+ case LE_OP: /* var <= lit */
+ if (litVal >= maxVal)
+ return CCR_ALWAYS_TRUE;
+ if (litVal < minVal)
+ return CCR_ALWAYS_FALSE;
+ return CCR_OK;
+ default:
+ return CCR_ALWAYS_FALSE;
+ }
}
- }
- return val;
}
/*-----------------------------------------------------------------*/
{
char buffer[50];
- if ((((TYPE_DWORD) lit) - lit) == 0)
+ if ((((TYPE_TARGET_LONG) lit) - lit) == 0)
{
- SNPRINTF (buffer, sizeof(buffer), "%d", (TYPE_DWORD) lit);
+ SNPRINTF (buffer, sizeof(buffer), "%d", (TYPE_TARGET_LONG) lit);
return constVal (buffer);
}
/* constFloatVal - converts a FLOAT constant to value */
/*-----------------------------------------------------------------*/
value *
-constFloatVal (char *s)
+constFloatVal (const char *s)
{
value *val = newValue ();
double sval;
+ char *p;
- if (sscanf (s, "%lf", &sval) != 1)
+ sval = strtod(s, &p);
+ if (p == s)
{
werror (E_INVALID_FLOAT_CONST, s);
- return constVal ("0");
+ return constCharVal (0);
}
val->type = val->etype = newLink (SPECIFIER);
return val;
}
+/*-----------------------------------------------------------------*/
+/* constFixed16x16Val - converts a FIXED16X16 constant to value */
+/*-----------------------------------------------------------------*/
+value *
+constFixed16x16Val (const char *s)
+{
+ value *val = newValue ();
+ double sval;
+ char *p;
+
+ sval = strtod(s, &p);
+ if (p == s)
+ {
+ werror (E_INVALID_FLOAT_CONST, s);
+ return constCharVal (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 *constVal (char *s)
+value *constVal (const char *s)
{
value *val;
- short hex = 0, octal = 0;
- char scanFmt[10];
- int scI = 0;
+ char *p;
double dval;
+ bool is_integral = 0;
- val = newValue (); /* alloc space for value */
+ val = newValue (); /* alloc space for value */
- val->type = val->etype = newLink (SPECIFIER); /* create the spcifier */
+ val->type = val->etype = newLink (SPECIFIER); /* create the specifier */
SPEC_SCLS (val->type) = S_LITERAL;
- // let's start with an unsigned char
+ /* let's start with a signed char */
SPEC_NOUN (val->type) = V_CHAR;
SPEC_USIGN (val->type) = 0;
- hex = ((strchr (s, 'x') || strchr (s, 'X')) ? 1 : 0);
-
- /* set the octal flag */
- 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';
+ errno = 0;
+ if (s[0] == '0')
+ {
+ if (s[1] == 'b' || s[1] == 'B')
+ dval = strtoul (s + 2, &p, 2);
+ else
+ dval = strtoul (s, &p, 0);
+ is_integral = 1;
+ }
else
- scanFmt[scI++] = 'f';
-
- scanFmt[scI++] = '\0';
+ dval = strtod (s, &p);
- if (octal || hex) {
- unsigned long sval;
- sscanf (s, scanFmt, &sval);
- dval=sval;
- SPEC_USIGN (val->type) = 1;
- } else {
- sscanf (s, scanFmt, &dval);
- }
+ if (errno)
+ {
+ dval = 4294967295.0;
+ werror (W_INVALID_INT_CONST, s, 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 (strchr (p, 'u') || strchr (p, '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
+ /* set the b_long flag if 'lL' is found */
+ if (strchr (p, 'l') || strchr (p, 'L'))
+ {
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 && SPEC_USIGN (val->type)) { // check if we have to promote to int
- SPEC_NOUN (val->type) = V_INT;
+ 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;
+ }
+ 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 (is_integral && /* integral (hex, octal and binary) 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;
+ }
+ }
+ }
+ }
}
- else if (dval>0x7f && !SPEC_USIGN (val->type)) { // check if we have to promote to int
- SPEC_NOUN (val->type) = V_INT;
+
+ /* check for out of range */
+ if (dval < -2147483648.0)
+ {
+ dval = -2147483648.0;
+ werror (W_INVALID_INT_CONST, s, dval);
}
- if (dval>0xffff && SPEC_USIGN (val->type)) { // check if we have to promote to long
- SPEC_LONG (val->type) = 1;
+ if (dval > 2147483647.0 && !SPEC_USIGN (val->type))
+ {
+ dval = 2147483647.0;
+ werror (W_INVALID_INT_CONST, s, dval);
}
- else if (dval>0x7fff && !SPEC_USIGN (val->type)) { // check if we have to promote to long int
- SPEC_LONG (val->type) = 1;
+ if (dval > 4294967295.0)
+ {
+ dval = 4294967295.0;
+ werror (W_INVALID_INT_CONST, s, dval);
}
- }
if (SPEC_LONG (val->type))
{
if (SPEC_USIGN (val->type))
{
- SPEC_CVAL (val->type).v_ulong = dval;
+ SPEC_CVAL (val->type).v_ulong = (TYPE_TARGET_ULONG) double2ul (dval);
}
else
{
- SPEC_CVAL (val->type).v_long = dval;
+ SPEC_CVAL (val->type).v_long = (TYPE_TARGET_LONG) double2ul (dval);
}
}
else
{
if (SPEC_USIGN (val->type))
{
- SPEC_CVAL (val->type).v_uint = dval;
+ SPEC_CVAL (val->type).v_uint = (TYPE_TARGET_UINT) double2ul (dval);
}
else
{
- SPEC_CVAL (val->type).v_int = dval;
+ SPEC_CVAL (val->type).v_int = (TYPE_TARGET_INT) double2ul (dval);
}
}
return val;
}
-/*! /fn char hexEscape(char **src)
-
- /param src Pointer to 'x' from start of hex character value
-*/
-
-unsigned char hexEscape(char **src)
+value *constCharVal (unsigned char v)
{
- 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;
-}
+ value *val = newValue (); /* alloc space for 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 */
-/*------------------------------------------------------------------*/
+ val->type = val->etype = newLink (SPECIFIER); /* create the specifier */
+ SPEC_SCLS (val->type) = S_LITERAL;
-unsigned char octalEscape (char **str) {
- int digits;
- unsigned value=0;
+ SPEC_NOUN (val->type) = V_CHAR;
- for (digits=0; digits<3; digits++) {
- if (**str>='0' && **str<='7') {
- value = value*8 + (**str-'0');
- (*str)++;
- } else {
- break;
- }
- }
- if (digits) {
- if (value > 255 /* || (**str>='0' && **str<='7') */ ) {
- werror (W_ESC_SEQ_OOR_FOR_CHAR);
+ if (options.unsigned_char)
+ {
+ SPEC_USIGN (val->type) = 1;
+ SPEC_CVAL (val->type).v_uint = (unsigned char) v;
}
- }
- return value;
-}
-
-/*!
- /fn int copyStr (char *dest, char *src)
-
- Copies a source string to a dest buffer interpreting escape sequences
- and special characters
-
- /param dest Buffer to receive the resultant string
- /param src Buffer containing the source string with escape sequecnes
- /return Number of characters in output string
-
-*/
-
-int
-copyStr (char *dest, char *src)
-
-{
- char *OriginalDest = dest ;
-
- while (*src)
- {
- if (*src == '\"')
- src++;
- else if (*src == '\\')
- {
- src++;
- switch (*src)
- {
- case 'n':
- *dest++ = '\n';
- break;
- case 't':
- *dest++ = '\t';
- break;
- case 'v':
- *dest++ = '\v';
- break;
- case 'b':
- *dest++ = '\b';
- break;
- case 'r':
- *dest++ = '\r';
- break;
- case 'f':
- *dest++ = '\f';
- break;
- case 'a':
- *dest++ = '\a';
- break;
-
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- *dest++ = octalEscape(&src);
- src-- ;
- break;
-
- case 'x':
- *dest++ = hexEscape(&src) ;
- src-- ;
- break ;
-
- case '\\':
- *dest++ = '\\';
- break;
- case '\?':
- *dest++ = '\?';
- break;
- case '\'':
- *dest++ = '\'';
- break;
- case '\"':
- *dest++ = '\"';
- break;
- default:
- *dest++ = *src;
- }
- src++;
- }
- else
- *dest++ = *src++;
+ else
+ {
+ SPEC_CVAL (val->type).v_int = (signed char) v;
}
- *dest++ = '\0';
-
- return dest - OriginalDest ;
+ return val;
}
/*------------------------------------------------------------------*/
-/* strVal - converts a string constant to a value */
+/* strVal - converts a string constant to a value */
/*------------------------------------------------------------------*/
value *
-strVal (char *s)
+strVal (const char *s)
{
value *val;
- val = newValue (); /* get a new one */
+ val = newValue (); /* get a new one */
/* get a declarator */
val->type = newLink (DECLARATOR);
}
/*------------------------------------------------------------------*/
-/* charVal - converts a character constant to a value */
+/* charVal - converts a character constant to a value */
/*------------------------------------------------------------------*/
value *
-charVal (char *s)
+charVal (const char *s)
{
- value *val;
-
- val = newValue ();
-
- val->type = val->etype = newLink (SPECIFIER);
- SPEC_NOUN (val->type) = V_CHAR;
- SPEC_USIGN(val->type) = 1;
- SPEC_SCLS (val->type) = S_LITERAL;
-
- s++; /* get rid of quotation */
+ /* get rid of quotation */
/* if \ then special processing */
- if (*s == '\\')
- {
- s++; /* go beyond the backslash */
- switch (*s)
- {
- case 'n':
- SPEC_CVAL (val->type).v_uint = '\n';
- break;
- case 't':
- SPEC_CVAL (val->type).v_uint = '\t';
- break;
- case 'v':
- SPEC_CVAL (val->type).v_uint = '\v';
- break;
- case 'b':
- SPEC_CVAL (val->type).v_uint = '\b';
- break;
- case 'r':
- SPEC_CVAL (val->type).v_uint = '\r';
- break;
- case 'f':
- SPEC_CVAL (val->type).v_uint = '\f';
- break;
- case 'a':
- SPEC_CVAL (val->type).v_uint = '\a';
- break;
- case '\\':
- SPEC_CVAL (val->type).v_uint = '\\';
- break;
- case '\?':
- SPEC_CVAL (val->type).v_uint = '\?';
- break;
- case '\'':
- SPEC_CVAL (val->type).v_uint = '\'';
- break;
- case '\"':
- SPEC_CVAL (val->type).v_uint = '\"';
- break;
-
- case '0' :
- case '1' :
- case '2' :
- case '3' :
- case '4' :
- case '5' :
- case '6' :
- case '7' :
- SPEC_CVAL (val->type).v_uint = octalEscape(&s);
- break;
-
- case 'x':
- SPEC_CVAL (val->type).v_uint = hexEscape(&s) ;
- break;
-
- default:
- SPEC_CVAL (val->type).v_uint = (unsigned char)*s;
- break;
- }
- }
- else /* not a backslash */
- SPEC_CVAL (val->type).v_uint = (unsigned char)*s;
-
- return val;
+ if (*++s == '\\')
+ {
+ switch (*++s) /* go beyond the backslash */
+ {
+ case 'n':
+ return constCharVal ('\n');
+ case 't':
+ return constCharVal ('\t');
+ case 'v':
+ return constCharVal ('\v');
+ case 'b':
+ return constCharVal ('\b');
+ case 'r':
+ return constCharVal ('\r');
+ case 'f':
+ return constCharVal ('\f');
+ case 'a':
+ return constCharVal ('\a');
+ case '\\':
+ return constCharVal ('\\');
+ case '\?':
+ return constCharVal ('\?');
+ case '\'':
+ return constCharVal ('\'');
+ case '\"':
+ return constCharVal ('\"');
+
+ case '0' :
+ case '1' :
+ case '2' :
+ case '3' :
+ case '4' :
+ case '5' :
+ case '6' :
+ case '7' :
+ return constCharVal (octalEscape (&s));
+
+ case 'x':
+ return constCharVal (hexEscape (&s));
+
+ default:
+ return constCharVal (*s);
+ }
+ }
+ else /* not a backslash */
+ return constCharVal (*s);
}
/*------------------------------------------------------------------*/
/*------------------------------------------------------------------*/
/* floatFromVal - value to double float conversion */
/*------------------------------------------------------------------*/
-double
+double
floatFromVal (value * val)
{
if (!val)
/* if it is not a specifier then we can assume that */
/* it will be an unsigned long */
if (!IS_SPEC (val->type))
- return (double) SPEC_CVAL (val->etype).v_ulong;
+ return SPEC_CVAL (val->etype).v_ulong;
if (SPEC_NOUN (val->etype) == V_FLOAT)
- return (double) SPEC_CVAL (val->etype).v_float;
+ return SPEC_CVAL (val->etype).v_float;
+
+ if (SPEC_NOUN (val->etype) == V_FIXED16X16)
+ return doubleFromFixed16x16 (SPEC_CVAL (val->etype).v_fixed16x16);
if (SPEC_LONG (val->etype))
{
if (SPEC_USIGN (val->etype))
- return (double) SPEC_CVAL (val->etype).v_ulong;
+ return SPEC_CVAL (val->etype).v_ulong;
else
- 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 SPEC_CVAL (val->etype).v_long;
+ }
+
+ if (SPEC_NOUN (val->etype) == V_INT)
+ {
+ if (SPEC_USIGN (val->etype))
+ return SPEC_CVAL (val->etype).v_uint;
+ else
+ return SPEC_CVAL (val->etype).v_int;
+ }
+
+ if (SPEC_NOUN (val->etype) == V_CHAR)
+ {
+ if (SPEC_USIGN (val->etype))
+ return (unsigned char) SPEC_CVAL (val->etype).v_uint;
+ else
+ return (signed char) SPEC_CVAL (val->etype).v_int;
+ }
+
+ if (IS_BITVAR(val->etype))
+ return SPEC_CVAL (val->etype).v_uint;
+
+ if (SPEC_NOUN (val->etype) == V_VOID)
+ return SPEC_CVAL (val->etype).v_ulong;
+
+ /* we are lost ! */
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__, "floatFromVal: unknown value");
return 0;
}
+/*------------------------------------------------------------------*/
+/* ulFromVal - value to unsigned long conversion */
+/*------------------------------------------------------------------*/
+unsigned long
+ulFromVal (value * val)
+{
+ if (!val)
+ return 0;
+
+ if (val->etype && SPEC_SCLS (val->etype) != S_LITERAL)
+ {
+ werror (E_CONST_EXPECTED, val->name);
+ return 0;
+ }
+
+ /* if it is not a specifier then we can assume that */
+ /* it will be an unsigned long */
+ if (!IS_SPEC (val->type))
+ return SPEC_CVAL (val->etype).v_ulong;
+
+ if (SPEC_NOUN (val->etype) == V_FLOAT)
+ return double2ul (SPEC_CVAL (val->etype).v_float);
+
+ if (SPEC_NOUN (val->etype) == V_FIXED16X16)
+ return double2ul (doubleFromFixed16x16 (SPEC_CVAL (val->etype).v_fixed16x16));
+
+ if (SPEC_LONG (val->etype))
+ {
+ if (SPEC_USIGN (val->etype))
+ return SPEC_CVAL (val->etype).v_ulong;
+ else
+ return SPEC_CVAL (val->etype).v_long;
+ }
+
+ if (SPEC_NOUN (val->etype) == V_INT)
+ {
+ if (SPEC_USIGN (val->etype))
+ return SPEC_CVAL (val->etype).v_uint;
+ else
+ return SPEC_CVAL (val->etype).v_int;
+ }
+
+ if (SPEC_NOUN (val->etype) == V_CHAR)
+ {
+ if (SPEC_USIGN (val->etype))
+ return (unsigned char) SPEC_CVAL (val->etype).v_uint;
+ else
+ return (signed char) SPEC_CVAL (val->etype).v_int;
+ }
+
+ if (IS_BITVAR(val->etype))
+ return SPEC_CVAL (val->etype).v_uint;
+
+ if (SPEC_NOUN (val->etype) == V_VOID)
+ return SPEC_CVAL (val->etype).v_ulong;
+
+ /* we are lost ! */
+ werror (E_INTERNAL_ERROR, __FILE__, __LINE__, "ulFromVal: unknown value");
+ return 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* doubleFromFixed16x16 - convert a fixed16x16 to double */
+/*-----------------------------------------------------------------*/
+double doubleFromFixed16x16(TYPE_TARGET_ULONG value)
+{
+#if 0
+ /* This version is incorrect negative values. */
+ double tmp=0, exp=2;
+
+ tmp = (value & 0xffff0000) >> 16;
+
+ while(value) {
+ value &= 0xffff;
+ if(value & 0x8000)tmp += 1/exp;
+ exp *= 2;
+ value <<= 1;
+ }
+
+ return (tmp);
+#else
+ return ((double)(value * 1.0) / (double)(1UL << 16));
+#endif
+}
+
+TYPE_TARGET_ULONG fixed16x16FromDouble(double value)
+{
+#if 0
+ /* This version is incorrect negative values. */
+ unsigned int tmp=0, pos=16;
+ TYPE_TARGET_ULONG res;
+
+ tmp = floor( value );
+ res = tmp << 16;
+ value -= tmp;
+
+ tmp = 0;
+ while(pos--) {
+ value *= 2;
+ if(value >= 1.0)tmp |= (1 << pos);
+ value -= floor( value );
+ }
+
+ res |= tmp;
+
+ return (res);
+#else
+ return double2ul (value * (double)(1UL << 16));
+#endif
+}
/*------------------------------------------------------------------*/
/* valUnaryPM - does the unary +/- operation on a constant */
/* depending on type */
if (SPEC_NOUN (val->etype) == V_FLOAT)
SPEC_CVAL (val->etype).v_float = -1.0 * SPEC_CVAL (val->etype).v_float;
+ else if (SPEC_NOUN (val->etype) == V_FIXED16X16)
+ SPEC_CVAL (val->etype).v_fixed16x16 = (TYPE_TARGET_ULONG) -((long) SPEC_CVAL (val->etype).v_fixed16x16);
else
{
if (SPEC_LONG (val->etype))
- {
- if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_ulong = 0-SPEC_CVAL (val->etype).v_ulong;
- else
- SPEC_CVAL (val->etype).v_long = -SPEC_CVAL (val->etype).v_long;
- }
+ {
+ if (SPEC_USIGN (val->etype))
+ SPEC_CVAL (val->etype).v_ulong = 0-SPEC_CVAL (val->etype).v_ulong;
+ else
+ SPEC_CVAL (val->etype).v_long = -SPEC_CVAL (val->etype).v_long;
+ }
else
- {
- if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_uint = 0-SPEC_CVAL (val->etype).v_uint;
- else
- 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;
- }
- }
+ {
+ if (SPEC_USIGN (val->etype))
+ SPEC_CVAL (val->etype).v_uint = 0-SPEC_CVAL (val->etype).v_uint;
+ else
+ SPEC_CVAL (val->etype).v_int = -SPEC_CVAL (val->etype).v_int;
+
+ if (SPEC_NOUN(val->etype) == V_CHAR)
+ {
+ /* promote to 'signed int', cheapestVal() might reduce it again */
+ SPEC_USIGN(val->etype) = 0;
+ SPEC_NOUN(val->etype) = V_INT;
+ }
+ return cheapestVal (val);
+ }
+ }
return val;
}
if (SPEC_LONG (val->etype))
{
if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_ulong = ~SPEC_CVAL (val->etype).v_ulong;
+ SPEC_CVAL (val->etype).v_ulong = ~SPEC_CVAL (val->etype).v_ulong;
else
- SPEC_CVAL (val->etype).v_long = ~SPEC_CVAL (val->etype).v_long;
+ SPEC_CVAL (val->etype).v_long = ~SPEC_CVAL (val->etype).v_long;
}
else
{
if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_uint = ~SPEC_CVAL (val->etype).v_uint;
+ SPEC_CVAL (val->etype).v_uint = ~SPEC_CVAL (val->etype).v_uint;
else
- SPEC_CVAL (val->etype).v_int = ~SPEC_CVAL (val->etype).v_int;
+ SPEC_CVAL (val->etype).v_int = ~SPEC_CVAL (val->etype).v_int;
+
+ if (SPEC_NOUN(val->etype) == V_CHAR)
+ {
+ /* promote to 'signed int', cheapestVal() might reduce it again */
+ SPEC_USIGN(val->etype) = 0;
+ SPEC_NOUN(val->etype) = V_INT;
+ }
+ return cheapestVal (val);
}
- // ~(unsigned 3) now really is signed
- SPEC_USIGN(val->etype)=0;
return val;
}
if (SPEC_LONG (val->etype))
{
if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_ulong = !SPEC_CVAL (val->etype).v_ulong;
+ SPEC_CVAL (val->etype).v_int = !SPEC_CVAL (val->etype).v_ulong;
else
- SPEC_CVAL (val->etype).v_long = !SPEC_CVAL (val->etype).v_long;
+ SPEC_CVAL (val->etype).v_int = !SPEC_CVAL (val->etype).v_long;
}
else
{
if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_uint = !SPEC_CVAL (val->etype).v_uint;
+ SPEC_CVAL (val->etype).v_int = !SPEC_CVAL (val->etype).v_uint;
else
- SPEC_CVAL (val->etype).v_int = !SPEC_CVAL (val->etype).v_int;
+ SPEC_CVAL (val->etype).v_int = !SPEC_CVAL (val->etype).v_int;
+
}
+ /* ANSI: result type is int, value is 0 or 1 */
+ /* sdcc will hold this in an 'unsigned char' */
+ SPEC_USIGN(val->etype) = 1;
+ SPEC_LONG (val->etype) = 0;
+ SPEC_NOUN(val->etype) = V_CHAR;
return val;
}
/* create a new value */
val = newValue ();
- 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));
+ val->type = val->etype = computeType (lval->etype,
+ rval->etype,
+ 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));
/* signed and unsigned mul are the same, as long as the precision of the
result isn't bigger than the precision of the operands. */
- if (SPEC_LONG (val->type))
- SPEC_CVAL (val->type).v_ulong = (TYPE_UDWORD) floatFromVal (lval) *
- (TYPE_UDWORD) floatFromVal (rval);
- else
- {
- TYPE_UDWORD ul = (TYPE_UWORD) floatFromVal (lval) *
- (TYPE_UWORD) floatFromVal (rval);
-
- SPEC_CVAL (val->type).v_uint = (TYPE_UWORD) ul;
- if (!options.lessPedantic)
- {
- if (SPEC_USIGN (val->type))
- {
- if (ul != SPEC_CVAL (val->type).v_uint)
- werror (W_INT_OVL);
- }
- else /* signed result */
- {
- if ((TYPE_DWORD) ul != SPEC_CVAL (val->type).v_int)
- werror (W_INT_OVL);
- }
- }
- }
+ else if (SPEC_LONG (val->type))
+ SPEC_CVAL (val->type).v_ulong = (TYPE_TARGET_ULONG) ulFromVal (lval) *
+ (TYPE_TARGET_ULONG) ulFromVal (rval);
+ else if (SPEC_USIGN (val->type)) /* unsigned int */
+ {
+ TYPE_TARGET_ULONG ul = (TYPE_TARGET_UINT) ulFromVal (lval) *
+ (TYPE_TARGET_UINT) ulFromVal (rval);
+
+ SPEC_CVAL (val->type).v_uint = (TYPE_TARGET_UINT) ul;
+ if (ul != (TYPE_TARGET_UINT) ul)
+ werror (W_INT_OVL);
}
- return cheapestVal(val);
+ else /* signed int */
+ {
+ TYPE_TARGET_LONG l = (TYPE_TARGET_INT) floatFromVal (lval) *
+ (TYPE_TARGET_INT) floatFromVal (rval);
+
+ SPEC_CVAL (val->type).v_int = (TYPE_TARGET_INT) l;
+ if (l != (TYPE_TARGET_INT) l)
+ werror (W_INT_OVL);
+ }
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
/* create a new value */
val = newValue ();
- 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;
- SPEC_USIGN (val->type) = (SPEC_USIGN (lval->etype) | SPEC_USIGN (rval->etype));
- SPEC_LONG (val->type) = (SPEC_LONG (lval->etype) | SPEC_LONG (rval->etype));
+ val->type = val->etype = computeType (lval->etype,
+ rval->etype,
+ 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_ulong = (TYPE_TARGET_ULONG) ulFromVal (lval) /
+ (TYPE_TARGET_ULONG) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_long = (TYPE_TARGET_LONG) ulFromVal (lval) /
+ (TYPE_TARGET_LONG) ulFromVal (rval);
+ }
else
{
- if (SPEC_LONG (val->type))
- {
- if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_ulong =
- (unsigned long) floatFromVal (lval) /
- (unsigned long) floatFromVal (rval);
- else
- SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) /
- (long) floatFromVal (rval);
- }
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_uint = (TYPE_TARGET_UINT) ulFromVal (lval) /
+ (TYPE_TARGET_UINT) ulFromVal (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);
- }
- }
+ SPEC_CVAL (val->type).v_int = (TYPE_TARGET_INT) ulFromVal (lval) /
+ (TYPE_TARGET_INT) ulFromVal (rval);
}
- return cheapestVal(val);
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
value *val;
/* create a new value */
- val = newValue ();
- 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));
- SPEC_LONG (val->type) = (SPEC_LONG (lval->etype) | SPEC_LONG (rval->etype));
+ val = newValue();
+ val->type = val->etype = computeType (lval->etype,
+ rval->etype,
+ RESULT_TYPE_INT,
+ '%');
+ SPEC_SCLS (val->etype) = S_LITERAL; /* will remain literal */
if (SPEC_LONG (val->type))
{
if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_ulong = (unsigned long) floatFromVal (lval) %
- (unsigned long) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_ulong = (TYPE_TARGET_ULONG) ulFromVal (lval) %
+ (TYPE_TARGET_ULONG) ulFromVal (rval);
else
- SPEC_CVAL (val->type).v_long = (unsigned long) floatFromVal (lval) %
- (unsigned long) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_long = (TYPE_TARGET_LONG) ulFromVal (lval) %
+ (TYPE_TARGET_LONG) ulFromVal (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 = (unsigned) floatFromVal (lval) %
- (unsigned) floatFromVal (rval);
- }
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_uint = (TYPE_TARGET_UINT) ulFromVal (lval) %
+ (TYPE_TARGET_UINT) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_int = (TYPE_TARGET_INT) ulFromVal (lval) %
+ (TYPE_TARGET_INT) ulFromVal (rval);
}
-
- return cheapestVal(val);
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
value *val;
/* create a new value */
- val = newValue ();
- 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) &&
- (floatFromVal(lval)+floatFromVal(rval))>=0;
-
- SPEC_LONG (val->type) = 1;
+ val = newValue();
+ val->type = val->etype = computeType (lval->etype,
+ rval->etype,
+ 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_LONG (val->type))
- {
- if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_ulong = (unsigned long) floatFromVal (lval) +
- (unsigned long) floatFromVal (rval);
- else
- SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) +
- (long) floatFromVal (rval);
- }
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_ulong = (TYPE_TARGET_ULONG) ulFromVal (lval) +
+ (TYPE_TARGET_ULONG) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_long = (TYPE_TARGET_LONG) ulFromVal (lval) +
+ (TYPE_TARGET_LONG) ulFromVal (rval);
}
- return cheapestVal(val);
+ else
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_uint = (TYPE_TARGET_UINT) ulFromVal (lval) +
+ (TYPE_TARGET_UINT) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_int = (TYPE_TARGET_INT) ulFromVal (lval) +
+ (TYPE_TARGET_INT) ulFromVal (rval);
+ }
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
value *val;
/* create a new value */
- val = newValue ();
- 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) &&
- (floatFromVal(lval)-floatFromVal(rval))>=0;
-
- SPEC_LONG (val->type) = (SPEC_LONG (lval->etype) | SPEC_LONG (rval->etype));
+ val = newValue();
+ val->type = val->etype = computeType (lval->etype,
+ rval->etype,
+ 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_LONG (val->type))
- {
- if (SPEC_USIGN (val->type)) {
- SPEC_CVAL (val->type).v_ulong =
- (unsigned long) floatFromVal (lval) -
- (unsigned long) floatFromVal (rval);
- } else {
- SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) -
- (long) floatFromVal (rval);
- }
- }
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_ulong = (TYPE_TARGET_ULONG) ulFromVal (lval) -
+ (TYPE_TARGET_ULONG) ulFromVal (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);
- }
- }
+ SPEC_CVAL (val->type).v_long = (TYPE_TARGET_LONG) ulFromVal (lval) -
+ (TYPE_TARGET_LONG) ulFromVal (rval);
}
- return cheapestVal(val);
+ else
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_uint = (TYPE_TARGET_UINT) ulFromVal (lval) -
+ (TYPE_TARGET_UINT) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_int = (TYPE_TARGET_INT) ulFromVal (lval) -
+ (TYPE_TARGET_INT) ulFromVal (rval);
+ }
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
value *val;
/* create a new value */
- val = newValue ();
- 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) = 1;
+ val = newValue();
+ val->type = val->etype = computeType (lval->etype,
+ NULL,
+ RESULT_TYPE_INT,
+ 'S');
+ SPEC_SCLS (val->etype) = S_LITERAL; /* will remain literal */
+
+ if (getSize (val->type) * 8 <= (TYPE_TARGET_ULONG) ulFromVal (rval) &&
+ /* left shift */
+ (lr ||
+ /* right shift and unsigned */
+ (!lr && SPEC_USIGN (rval->type))))
+ {
+ werror (W_SHIFT_CHANGED, (lr ? "left" : "right"));
+ }
if (SPEC_LONG (val->type))
{
if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_ulong = lr ?
- (unsigned long) floatFromVal (lval) << (unsigned long) floatFromVal (rval) : \
- (unsigned long) floatFromVal (lval) >> (unsigned long) floatFromVal (rval);
+ {
+ SPEC_CVAL (val->type).v_ulong = lr ?
+ (TYPE_TARGET_ULONG) ulFromVal (lval) << (TYPE_TARGET_ULONG) ulFromVal (rval) : \
+ (TYPE_TARGET_ULONG) ulFromVal (lval) >> (TYPE_TARGET_ULONG) ulFromVal (rval);
+ }
else
- SPEC_CVAL (val->type).v_long = lr ?
- (long) floatFromVal (lval) << (long) floatFromVal (rval) : \
- (long) floatFromVal (lval) >> (long) floatFromVal (rval);
+ {
+ SPEC_CVAL (val->type).v_long = lr ?
+ (TYPE_TARGET_LONG) ulFromVal (lval) << (TYPE_TARGET_ULONG) ulFromVal (rval) : \
+ (TYPE_TARGET_LONG) ulFromVal (lval) >> (TYPE_TARGET_ULONG) ulFromVal (rval);
+ }
}
-
- return cheapestVal(val);
+ else
+ {
+ if (SPEC_USIGN (val->type))
+ {
+ SPEC_CVAL (val->type).v_uint = lr ?
+ (TYPE_TARGET_UINT) ulFromVal (lval) << (TYPE_TARGET_ULONG) ulFromVal (rval) : \
+ (TYPE_TARGET_UINT) ulFromVal (lval) >> (TYPE_TARGET_ULONG) ulFromVal (rval);
+ }
+ else
+ {
+ SPEC_CVAL (val->type).v_int = lr ?
+ (TYPE_TARGET_INT) ulFromVal (lval) << (TYPE_TARGET_ULONG) ulFromVal (rval) : \
+ (TYPE_TARGET_INT) ulFromVal (lval) >> (TYPE_TARGET_ULONG) ulFromVal (rval);
+ }
+ }
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
val = newValue ();
val->type = val->etype = newCharLink ();
val->type->class = SPECIFIER;
- SPEC_NOUN (val->type) = V_CHAR; /* type is char */
+ SPEC_NOUN (val->type) = V_CHAR; /* type is char */
SPEC_USIGN (val->type) = 1;
- SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
+ SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
switch (ctype)
{
break;
case EQ_OP:
- SPEC_CVAL (val->type).v_int = floatFromVal (lval) == floatFromVal (rval);
+ if (SPEC_NOUN(lval->type) == V_FLOAT ||
+ SPEC_NOUN(rval->type) == V_FLOAT)
+ {
+ 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 */
+ TYPE_TARGET_ULONG l, r;
+
+ l = (TYPE_TARGET_ULONG) ulFromVal (lval);
+ r = (TYPE_TARGET_ULONG) ulFromVal (rval);
+ /* In order to correctly compare 'signed int' and 'unsigned int' it's
+ neccessary to strip them to 16 bit.
+ Literals are reduced to their cheapest type, therefore left and
+ right might have different types. It's neccessary to find a
+ common type: int (used for char too) or long */
+ if (!IS_LONG (lval->etype) &&
+ !IS_LONG (rval->etype))
+ {
+ r = (TYPE_TARGET_UINT) r;
+ l = (TYPE_TARGET_UINT) l;
+ }
+ SPEC_CVAL (val->type).v_int = l == r;
+ }
break;
-
case NE_OP:
- SPEC_CVAL (val->type).v_int = floatFromVal (lval) != floatFromVal (rval);
+ if (SPEC_NOUN(lval->type) == V_FLOAT ||
+ SPEC_NOUN(rval->type) == V_FLOAT)
+ {
+ 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 */
+ TYPE_TARGET_ULONG l, r;
+
+ l = (TYPE_TARGET_ULONG) ulFromVal (lval);
+ r = (TYPE_TARGET_ULONG) ulFromVal (rval);
+ /* In order to correctly compare 'signed int' and 'unsigned int' it's
+ neccessary to strip them to 16 bit.
+ Literals are reduced to their cheapest type, therefore left and
+ right might have different types. It's neccessary to find a
+ common type: int (used for char too) or long */
+ if (!IS_LONG (lval->etype) &&
+ !IS_LONG (rval->etype))
+ {
+ r = (TYPE_TARGET_UINT) r;
+ l = (TYPE_TARGET_UINT) l;
+ }
+ SPEC_CVAL (val->type).v_int = l != r;
+ }
break;
}
/* create a new value */
val = newValue ();
- val->type = copyLinkChain (getSize(rval->type) > getSize(lval->type) ?
- rval->type : lval->type);
+ val->type = computeType (lval->etype, rval->etype, RESULT_TYPE_CHAR, op);
val->etype = getSpec (val->type);
+ SPEC_SCLS (val->etype) = S_LITERAL;
switch (op)
{
case '&':
if (SPEC_LONG (val->type))
- {
- if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_ulong = (unsigned long) floatFromVal (lval) &
- (unsigned long) floatFromVal (rval);
- else
- SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) &
- (long) floatFromVal (rval);
- }
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_ulong = (TYPE_TARGET_ULONG) ulFromVal (lval) &
+ (TYPE_TARGET_ULONG) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_long = (TYPE_TARGET_LONG) ulFromVal (lval) &
+ (TYPE_TARGET_LONG) ulFromVal (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);
- }
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_uint = (TYPE_TARGET_UINT) ulFromVal (lval) &
+ (TYPE_TARGET_UINT) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_int = (TYPE_TARGET_INT) ulFromVal (lval) &
+ (TYPE_TARGET_INT) ulFromVal (rval);
+ }
break;
case '|':
if (SPEC_LONG (val->type))
- {
- if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_ulong = (unsigned long) floatFromVal (lval) |
- (unsigned long) floatFromVal (rval);
- else
- SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) |
- (long) floatFromVal (rval);
- }
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_ulong = (TYPE_TARGET_ULONG) ulFromVal (lval) |
+ (TYPE_TARGET_ULONG) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_long = (TYPE_TARGET_LONG) ulFromVal (lval) |
+ (TYPE_TARGET_LONG) ulFromVal (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);
- }
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_uint = (TYPE_TARGET_UINT) ulFromVal (lval) |
+ (TYPE_TARGET_UINT) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_int =
+ (TYPE_TARGET_INT) ulFromVal (lval) | (TYPE_TARGET_INT) ulFromVal (rval);
+ }
break;
case '^':
if (SPEC_LONG (val->type))
- {
- if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_ulong = (unsigned long) floatFromVal (lval) ^
- (unsigned long) floatFromVal (rval);
- else
- SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) ^
- (long) floatFromVal (rval);
- }
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_ulong = (TYPE_TARGET_ULONG) ulFromVal (lval) ^
+ (TYPE_TARGET_ULONG) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_long = (TYPE_TARGET_LONG) ulFromVal (lval) ^
+ (TYPE_TARGET_LONG) ulFromVal (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);
- }
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_uint = (TYPE_TARGET_UINT) ulFromVal (lval) ^
+ (TYPE_TARGET_UINT) ulFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_int =
+ (TYPE_TARGET_INT) ulFromVal (lval) ^ (TYPE_TARGET_INT) ulFromVal (rval);
+ }
break;
}
val = newValue ();
val->type = val->etype = newCharLink ();
val->type->class = SPECIFIER;
- SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
- SPEC_USIGN (val->type) = 0;
+ SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
+ SPEC_USIGN (val->type) = 1;
switch (op)
{
valCastLiteral (sym_link * dtype, double fval)
{
value *val;
+ unsigned long l = double2ul (fval);
if (!dtype)
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 */
/* it will be an unsigned long */
- if (!IS_SPEC (val->type)) {
- SPEC_CVAL (val->etype).v_ulong = (unsigned long) fval;
+ if (!IS_SPEC (val->type))
+ {
+ SPEC_CVAL (val->etype).v_ulong = (TYPE_TARGET_ULONG) l;
return val;
- }
+ }
- if (SPEC_NOUN (val->etype) == V_FLOAT)
+ switch (SPEC_NOUN (val->etype))
+ {
+ case V_FLOAT:
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) l;
- else
- SPEC_CVAL (val->etype).v_long = (long) l;
- } else {
- if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_uint = (unsigned short)l;
- else
- SPEC_CVAL (val->etype).v_int = (short)l;
- }
- }
+ break;
+
+ case V_FIXED16X16:
+ SPEC_CVAL (val->etype).v_fixed16x16 = fixed16x16FromDouble (fval);
+ break;
+
+ case V_BIT:
+ case V_SBIT:
+ SPEC_CVAL (val->etype).v_uint = fval ? 1 : 0;
+ break;
+
+ case V_BITFIELD:
+ l &= (0xffffffffu >> (32 - SPEC_BLEN (val->etype)));
+ if (SPEC_USIGN (val->etype))
+ SPEC_CVAL (val->etype).v_uint = (TYPE_TARGET_UINT) l;
+ else
+ SPEC_CVAL (val->etype).v_int = (TYPE_TARGET_INT) l;
+ break;
+
+ case V_CHAR:
+ if (SPEC_USIGN (val->etype))
+ SPEC_CVAL (val->etype).v_uint = (TYPE_TARGET_UCHAR) l;
+ else
+ SPEC_CVAL (val->etype).v_int = (TYPE_TARGET_CHAR) l;
+ break;
+
+ default:
+ if (SPEC_LONG (val->etype))
+ {
+ if (SPEC_USIGN (val->etype))
+ SPEC_CVAL (val->etype).v_ulong = (TYPE_TARGET_ULONG) l;
+ else
+ SPEC_CVAL (val->etype).v_long = (TYPE_TARGET_LONG) l;
+ }
+ else
+ {
+ if (SPEC_USIGN (val->etype))
+ SPEC_CVAL (val->etype).v_uint = (TYPE_TARGET_UINT) l;
+ else
+ SPEC_CVAL (val->etype).v_int = (TYPE_TARGET_INT) l;
+ }
+ }
+
return val;
}
/*------------------------------------------------------------------*/
/* getNelements - determines # of elements from init list */
/*------------------------------------------------------------------*/
-int
+int
getNelements (sym_link * type, initList * ilist)
{
int i;
ast *iast = ilist->init.node;
value *v = (iast->type == EX_VALUE ? iast->opval.val : NULL);
if (!v)
- {
- werror (E_CONST_EXPECTED);
- return 0;
- }
+ {
+ werror (E_CONST_EXPECTED);
+ return 0;
+ }
if (IS_ARRAY (v->type) && IS_CHAR (v->etype))
- // yep, it's a string
- {
- return DCL_ELEM (v->type);
- }
+ /* yep, it's a string */
+ {
+ return DCL_ELEM (v->type);
+ }
}
i = 0;
if (IS_AST_OP (arrExpr->left))
{
if (arrExpr->left->opval.op == '[')
- lval = valForArray (arrExpr->left);
+ lval = valForArray (arrExpr->left);
else if (arrExpr->left->opval.op == '.')
- lval = valForStructElem (arrExpr->left->left,
- arrExpr->left->right);
+ lval = valForStructElem (arrExpr->left->left,
+ arrExpr->left->right);
else if (arrExpr->left->opval.op == PTR_OP &&
- IS_ADDRESS_OF_OP (arrExpr->left->left))
- lval = valForStructElem (arrExpr->left->left->left,
- arrExpr->left->right);
+ IS_ADDRESS_OF_OP (arrExpr->left->left))
+ lval = valForStructElem (arrExpr->left->left->left,
+ arrExpr->left->right);
else
- return NULL;
+ return NULL;
}
else if (!IS_AST_SYM_VALUE (arrExpr->left))
val = newValue ();
if (!lval)
{
- SNPRINTF (buffer, sizeof(buffer), "%s", AST_SYMBOL (arrExpr->left)->rname);
+ SNPRINTF (buffer, sizeof(buffer), "%s", AST_SYMBOL (arrExpr->left)->rname);
}
else
{
- SNPRINTF (buffer, sizeof(buffer), "%s", lval->name);
+ SNPRINTF (buffer, sizeof(buffer), "%s", lval->name);
}
SNPRINTF (val->name, sizeof(val->name), "(%s + %d)", buffer,
- (int) AST_LIT_VALUE (arrExpr->right) * size);
+ AST_ULONG_VALUE (arrExpr->right) * size);
val->type = newLink (DECLARATOR);
if (SPEC_SCLS (arrExpr->left->etype) == S_CODE)
- {
- DCL_TYPE (val->type) = CPOINTER;
- DCL_PTR_CONST (val->type) = port->mem.code_ro;
- }
+ DCL_TYPE (val->type) = CPOINTER;
else if (SPEC_SCLS (arrExpr->left->etype) == S_XDATA)
DCL_TYPE (val->type) = FPOINTER;
else if (SPEC_SCLS (arrExpr->left->etype) == S_XSTACK)
DCL_TYPE (val->type) = EEPPOINTER;
else
DCL_TYPE (val->type) = POINTER;
- val->type->next = arrExpr->left->ftype;
+ val->type->next = arrExpr->left->ftype->next;
val->etype = getSpec (val->type);
return val;
}
if (IS_AST_OP (structT))
{
if (structT->opval.op == '[')
- lval = valForArray (structT);
+ lval = valForArray (structT);
else if (structT->opval.op == '.')
- lval = valForStructElem (structT->left, structT->right);
+ lval = valForStructElem (structT->left, structT->right);
else if (structT->opval.op == PTR_OP &&
- IS_ADDRESS_OF_OP (structT->left))
- lval = valForStructElem (structT->left->left,
- structT->right);
+ IS_ADDRESS_OF_OP (structT->left))
+ lval = valForStructElem (structT->left->left,
+ structT->right);
else
- return NULL;
+ return NULL;
}
if (!IS_AST_SYM_VALUE (elemT))
return NULL;
if ((sym = getStructElement (SPEC_STRUCT (structT->etype),
- AST_SYMBOL (elemT))) == NULL)
+ AST_SYMBOL (elemT))) == NULL)
{
return NULL;
}
val = newValue ();
if (!lval)
{
- SNPRINTF(buffer, sizeof(buffer), "%s", AST_SYMBOL (structT)->rname);
+ SNPRINTF(buffer, sizeof(buffer), "%s", AST_SYMBOL (structT)->rname);
}
else
{
- SNPRINTF (buffer, sizeof(buffer), "%s", lval->name);
+ SNPRINTF (buffer, sizeof(buffer), "%s", lval->name);
}
SNPRINTF (val->name, sizeof(val->name), "(%s + %d)", buffer,
- (int) sym->offset);
+ (int) sym->offset);
val->type = newLink (DECLARATOR);
if (SPEC_SCLS (structT->etype) == S_CODE)
- {
- DCL_TYPE (val->type) = CPOINTER;
- DCL_PTR_CONST (val->type) = port->mem.code_ro;
- }
+ DCL_TYPE (val->type) = CPOINTER;
else if (SPEC_SCLS (structT->etype) == S_XDATA)
DCL_TYPE (val->type) = FPOINTER;
else if (SPEC_SCLS (structT->etype) == S_XSTACK)
val = newValue ();
SNPRINTF (val->name, sizeof(val->name), "(%s %c %d)",
- AST_SYMBOL (aexpr)->rname, op,
- getSize (type->next) * (int) AST_LIT_VALUE (cnst));
+ AST_SYMBOL (aexpr)->rname, op,
+ getSize (type->next) * AST_ULONG_VALUE (cnst));
val->type = type;
val->etype = getSpec (val->type);
val = newValue ();
SNPRINTF (val->name, sizeof(val->name), "(%s)",
- AST_SYMBOL (aexpr)->rname);
+ AST_SYMBOL (aexpr)->rname);
val->type = type;
val->etype = getSpec (val->type);
projects / fw / sdcc / blobdiff