nilist = Safe_alloc (sizeof (initList));
nilist->type = type;
- nilist->lineno = yylineno;
+ nilist->lineno = mylineno;
+ nilist->filename = currFname;
switch (type)
{
{
return FALSE;
}
-
- if (!IS_AST_LIT_VALUE(decorateType(resolveSymbols(iLoop->init.node))))
+
+ if (!IS_AST_LIT_VALUE(decorateType(resolveSymbols(iLoop->init.node), RESULT_CHECK)))
{
return FALSE;
}
iLoop = iLoop->next;
}
-
+
// We've now established that the initializer list contains only literal values.
-
+
iLoop = src->init.deep;
while (iLoop)
{
double val = AST_LIT_VALUE(iLoop->init.node);
-
+
if (last && last->literalValue == val)
{
last->count++;
/*------------------------------------------------------------------*/
/* list2int - converts the first element of the list to value */
/*------------------------------------------------------------------*/
-double
+double
list2int (initList * val)
{
initList *i = val;
/*------------------------------------------------------------------*/
/* resolveIvalSym - resolve symbols in initial values */
/*------------------------------------------------------------------*/
-void
-resolveIvalSym (initList * ilist)
+void
+resolveIvalSym (initList * ilist, sym_link * type)
{
+ RESULT_TYPE resultType;
+
if (!ilist)
return;
if (ilist->type == INIT_NODE)
- ilist->init.node = decorateType (resolveSymbols (ilist->init.node));
+ {
+ if (IS_PTR (type))
+ resultType = RESULT_TYPE_INT;
+ else
+ resultType = getResultTypeFromType (getSpec (type));
+ ilist->init.node = decorateType (resolveSymbols (ilist->init.node),
+ resultType);
+ }
if (ilist->type == INIT_DEEP)
- resolveIvalSym (ilist->init.deep);
+ resolveIvalSym (ilist->init.deep, type);
- resolveIvalSym (ilist->next);
+ resolveIvalSym (ilist->next, type);
}
/*-----------------------------------------------------------------*/
}
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 defined(REDUCE_LITERALS)
/*--------------------------------------------------------------------*/
/* cheapestVal - convert a val to the cheapest as possible value */
/*--------------------------------------------------------------------*/
-value *cheapestVal (value *val) {
- long sval=0;
- unsigned long uval=0;
+static value *cheapestVal (value *val) {
+ TYPE_DWORD sval=0;
+ TYPE_UDWORD uval=0;
if (IS_FLOAT(val->type) || IS_CHAR(val->type))
return val;
if (SPEC_USIGN(val->type)) {
if (uval<=0xffff) {
SPEC_LONG(val->type)=0;
- SPEC_CVAL(val->type).v_uint = uval;
+ SPEC_CVAL(val->type).v_uint = (TYPE_UWORD)uval;
if (uval<=0xff) {
SPEC_NOUN(val->type)=V_CHAR;
}
if (sval<0) {
if (sval>=-32768) {
SPEC_LONG(val->type)=0;
- SPEC_CVAL(val->type).v_int = sval;
+ SPEC_CVAL(val->type).v_int = (TYPE_WORD)sval;
if (sval>=-128) {
SPEC_NOUN(val->type)=V_CHAR;
}
}
} else { // sval>=0
- SPEC_USIGN(val->type)=1;
- if (sval<=65535) {
+ if (sval<=32767) {
SPEC_LONG(val->type)=0;
- SPEC_CVAL(val->type).v_int = sval;
- if (sval<=255) {
+ SPEC_CVAL(val->type).v_int = (TYPE_WORD)sval;
+ if (sval<=127) {
SPEC_NOUN(val->type)=V_CHAR;
}
}
return val;
}
+#else
+
+static value *cheapestVal (value *val)
+{
+ if (IS_FLOAT (val->type) || IS_CHAR (val->type))
+ return val;
+
+ /* - signed/unsigned must not be changed.
+ - long must not be changed.
+
+ the only possible reduction is from signed int to 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 (IS_INT(val->type) &&
+ !SPEC_USIGN(val->type) &&
+ !SPEC_LONG(val->type) &&
+ SPEC_CVAL(val->type).v_int >= -128 &&
+ SPEC_CVAL(val->type).v_int < 0)
+
+ {
+ SPEC_NOUN(val->type) = V_CHAR;
+ }
+ /* 'unsigned char' promotes to 'signed int', so that we can
+ reduce it the other way */
+ if (IS_INT(val->type) &&
+ !SPEC_USIGN(val->type) &&
+ !SPEC_LONG(val->type) &&
+ SPEC_CVAL(val->type).v_int >= 0 &&
+ SPEC_CVAL(val->type).v_int <= 255)
+
+ {
+ SPEC_NOUN(val->type) = V_CHAR;
+ SPEC_USIGN(val->type) = 1;
+ }
+ return (val);
+}
+#endif
+
/*-----------------------------------------------------------------*/
/* valueFromLit - creates a value from a literal */
/*-----------------------------------------------------------------*/
{
char buffer[50];
- if ((((long) lit) - lit) == 0)
+ if ((((TYPE_DWORD) lit) - lit) == 0)
{
- sprintf (buffer, "%ld", (long) lit);
+ SNPRINTF (buffer, sizeof(buffer), "%d", (TYPE_DWORD) 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;
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
+ // let's start with a signed char
SPEC_NOUN (val->type) = V_CHAR;
- SPEC_USIGN (val->type) = 1;
+ SPEC_USIGN (val->type) = 0;
hex = ((strchr (s, 'x') || strchr (s, 'X')) ? 1 : 0);
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
- SPEC_USIGN (val->type) = 0;
if (dval<-128) { // check if we have to promote to int
SPEC_NOUN (val->type) = V_INT;
}
SPEC_LONG (val->type) = 1;
}
} else { // >=0
- if (dval>0xff) { // check if we have to promote to int
+ 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;
}
- if (dval>0xffff) { // check if we have to promote to long 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) {
+ SPEC_USIGN (val->type) = 1;
+ } else {
+ SPEC_LONG (val->type) = 1;
+ if (dval>0x7fffffff) {
+ SPEC_USIGN (val->type) = 1;
+ }
+ }
+ }
}
if (SPEC_LONG (val->type))
{
if (SPEC_USIGN (val->type))
{
- SPEC_CVAL (val->type).v_ulong = dval;
+ SPEC_CVAL (val->type).v_ulong = (TYPE_UDWORD)dval;
}
else
{
- SPEC_CVAL (val->type).v_long = dval;
+ SPEC_CVAL (val->type).v_long = (TYPE_DWORD)dval;
}
}
else
{
if (SPEC_USIGN (val->type))
{
- SPEC_CVAL (val->type).v_uint = dval;
+ SPEC_CVAL (val->type).v_uint = (TYPE_UWORD)dval;
}
else
{
- SPEC_CVAL (val->type).v_int = dval;
+ SPEC_CVAL (val->type).v_int = (TYPE_WORD)dval;
}
}
{
char *s ;
unsigned long value ;
-
+
(*src)++ ; /* Skip over the 'x' */
s = *src ; /* Save for error detection */
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);
charVal (char *s)
{
value *val;
-// unsigned uValue ;
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' :
/*------------------------------------------------------------------*/
/* floatFromVal - value to double float conversion */
/*------------------------------------------------------------------*/
-double
+double
floatFromVal (value * val)
{
if (!val)
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;
}
if (IS_BITVAR(val->etype)) {
- return (double) SPEC_CVAL (val->etype).v_ulong;
+ return (double) SPEC_CVAL (val->etype).v_uint;
}
if (SPEC_NOUN (val->etype) == V_VOID) {
return 0;
}
-
/*------------------------------------------------------------------*/
/* valUnaryPM - does the unary +/- operation on a constant */
/*------------------------------------------------------------------*/
}
// -(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;
}
/* create a new value */
val = newValue ();
- val->type = val->etype = newLink ();
- val->type->class = 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) = 1;
+ 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
+ /* 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))
+ SPEC_CVAL (val->type).v_ulong = (TYPE_UDWORD) floatFromVal (lval) *
+ (TYPE_UDWORD) floatFromVal (rval);
+ else if (SPEC_USIGN (val->type)) /* unsigned int */
{
- 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);
- }
+ TYPE_UDWORD ul = (TYPE_UWORD) floatFromVal (lval) *
+ (TYPE_UWORD) floatFromVal (rval);
+
+ SPEC_CVAL (val->type).v_uint = (TYPE_UWORD) ul;
+ if (ul != (TYPE_UWORD) ul)
+ werror (W_INT_OVL);
}
- return cheapestVal(val);
+ else /* signed int */
+ {
+ TYPE_DWORD l = (TYPE_WORD) floatFromVal (lval) *
+ (TYPE_WORD) floatFromVal (rval);
+
+ SPEC_CVAL (val->type).v_int = (TYPE_WORD) l;
+ if (l != (TYPE_WORD) l)
+ werror (W_INT_OVL);
+ }
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
/* create a new value */
val = newValue ();
- val->type = val->etype = newLink();
- val->type->class = 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 (SPEC_LONG (val->type))
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_ulong = (TYPE_UDWORD) floatFromVal (lval) /
+ (TYPE_UDWORD) floatFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_long = (TYPE_DWORD) floatFromVal (lval) /
+ (TYPE_DWORD) floatFromVal (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_UWORD) floatFromVal (lval) /
+ (TYPE_UWORD) 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);
- }
- }
+ SPEC_CVAL (val->type).v_int = (TYPE_WORD) floatFromVal (lval) /
+ (TYPE_WORD) floatFromVal (rval);
}
- return cheapestVal(val);
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
value *val;
/* create a new value */
- val = newValue ();
- val->type = val->etype = newLink ();
- val->type->class = 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_UDWORD) floatFromVal (lval) %
+ (TYPE_UDWORD) floatFromVal (rval);
else
- SPEC_CVAL (val->type).v_long = (unsigned long) floatFromVal (lval) %
- (unsigned long) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_long = (TYPE_DWORD) floatFromVal (lval) %
+ (TYPE_DWORD) 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 = (unsigned) floatFromVal (lval) %
- (unsigned) floatFromVal (rval);
- }
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_uint = (TYPE_UWORD) floatFromVal (lval) %
+ (TYPE_UWORD) floatFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_int = (TYPE_WORD) floatFromVal (lval) %
+ (TYPE_WORD) floatFromVal (rval);
}
-
- return cheapestVal(val);
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
value *val;
/* create a new value */
- val = newValue ();
- val->type = val->etype = newLink ();
- val->type->class = 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 (SPEC_LONG (val->type))
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_ulong = (TYPE_UDWORD) floatFromVal (lval) +
+ (TYPE_UDWORD) floatFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_long = (TYPE_DWORD) floatFromVal (lval) +
+ (TYPE_DWORD) floatFromVal (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_UWORD) floatFromVal (lval) +
+ (TYPE_UWORD) floatFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_int = (TYPE_WORD) floatFromVal (lval) +
+ (TYPE_WORD) floatFromVal (rval);
}
- return cheapestVal(val);
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
value *val;
/* create a new value */
- val = newValue ();
- val->type = val->etype = newLink ();
- val->type->class = 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
+ 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_UDWORD) floatFromVal (lval) -
+ (TYPE_UDWORD) 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);
- }
- }
+ SPEC_CVAL (val->type).v_long = (TYPE_DWORD) floatFromVal (lval) -
+ (TYPE_DWORD) floatFromVal (rval);
}
- return cheapestVal(val);
+ else
+ {
+ if (SPEC_USIGN (val->type))
+ SPEC_CVAL (val->type).v_uint = (TYPE_UWORD) floatFromVal (lval) -
+ (TYPE_UWORD) floatFromVal (rval);
+ else
+ SPEC_CVAL (val->type).v_int = (TYPE_WORD) floatFromVal (lval) -
+ (TYPE_WORD) floatFromVal (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_UDWORD) floatFromVal (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_UDWORD) floatFromVal (lval) << (TYPE_UDWORD) floatFromVal (rval) : \
+ (TYPE_UDWORD) floatFromVal (lval) >> (TYPE_UDWORD) floatFromVal (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_DWORD) floatFromVal (lval) << (TYPE_UDWORD) floatFromVal (rval) : \
+ (TYPE_DWORD) floatFromVal (lval) >> (TYPE_UDWORD) floatFromVal (rval);
+ }
}
-
- return cheapestVal(val);
+ else
+ {
+ if (SPEC_USIGN (val->type))
+ {
+ SPEC_CVAL (val->type).v_uint = lr ?
+ (TYPE_UWORD) floatFromVal (lval) << (TYPE_UDWORD) floatFromVal (rval) : \
+ (TYPE_UWORD) floatFromVal (lval) >> (TYPE_UDWORD) floatFromVal (rval);
+ }
+ else
+ {
+ SPEC_CVAL (val->type).v_int = lr ?
+ (TYPE_WORD) floatFromVal (lval) << (TYPE_UDWORD) floatFromVal (rval) : \
+ (TYPE_WORD) floatFromVal (lval) >> (TYPE_UDWORD) floatFromVal (rval);
+ }
+ }
+ return cheapestVal (val);
}
/*------------------------------------------------------------------*/
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
+ {
+ /* integrals: ignore signedness */
+ TYPE_UDWORD l, r;
+
+ l = (TYPE_UDWORD) floatFromVal (lval);
+ r = (TYPE_UDWORD) floatFromVal (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_UWORD) r;
+ l = (TYPE_UWORD) 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
+ {
+ /* integrals: ignore signedness */
+ TYPE_UDWORD l, r;
+
+ l = (TYPE_UDWORD) floatFromVal (lval);
+ r = (TYPE_UDWORD) floatFromVal (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_UWORD) r;
+ l = (TYPE_UWORD) l;
+ }
+ SPEC_CVAL (val->type).v_int = l != r;
+ }
break;
}
/* create a new value */
val = newValue ();
- val->type = copyLinkChain (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)
{
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_UDWORD) floatFromVal (lval) &
+ (TYPE_UDWORD) floatFromVal (rval);
else
- SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) &
- (long) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_long = (TYPE_DWORD) floatFromVal (lval) &
+ (TYPE_DWORD) floatFromVal (rval);
}
else
{
if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_uint = (unsigned) floatFromVal (lval) &
- (unsigned) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_uint = (TYPE_UWORD) floatFromVal (lval) &
+ (TYPE_UWORD) floatFromVal (rval);
else
- SPEC_CVAL (val->type).v_int = (int) floatFromVal (lval) & (int) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_int = (TYPE_WORD) floatFromVal (lval) & (TYPE_WORD) floatFromVal (rval);
}
break;
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_UDWORD) floatFromVal (lval) |
+ (TYPE_UDWORD) floatFromVal (rval);
else
- SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) |
- (long) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_long = (TYPE_DWORD) floatFromVal (lval) |
+ (TYPE_DWORD) floatFromVal (rval);
}
else
{
if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_uint = (unsigned) floatFromVal (lval) |
- (unsigned) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_uint = (TYPE_UWORD) floatFromVal (lval) |
+ (TYPE_UWORD) floatFromVal (rval);
else
SPEC_CVAL (val->type).v_int =
- (int) floatFromVal (lval) | (int) floatFromVal (rval);
+ (TYPE_WORD) floatFromVal (lval) | (TYPE_WORD) floatFromVal (rval);
}
break;
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_UDWORD) floatFromVal (lval) ^
+ (TYPE_UDWORD) floatFromVal (rval);
else
- SPEC_CVAL (val->type).v_long = (long) floatFromVal (lval) ^
- (long) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_long = (TYPE_DWORD) floatFromVal (lval) ^
+ (TYPE_DWORD) floatFromVal (rval);
}
else
{
if (SPEC_USIGN (val->type))
- SPEC_CVAL (val->type).v_uint = (unsigned) floatFromVal (lval) ^
- (unsigned) floatFromVal (rval);
+ SPEC_CVAL (val->type).v_uint = (TYPE_UWORD) floatFromVal (lval) ^
+ (TYPE_UWORD) floatFromVal (rval);
else
SPEC_CVAL (val->type).v_int =
- (int) floatFromVal (lval) ^ (int) floatFromVal (rval);
+ (TYPE_WORD) floatFromVal (lval) ^ (TYPE_WORD) floatFromVal (rval);
}
break;
}
-
+
return cheapestVal(val);
}
val->type = val->etype = newCharLink ();
val->type->class = SPECIFIER;
SPEC_SCLS (val->type) = S_LITERAL; /* will remain literal */
- SPEC_USIGN (val->type) = 0;
+ SPEC_USIGN (val->type) = 1;
switch (op)
{
valCastLiteral (sym_link * dtype, double fval)
{
value *val;
+ TYPE_UDWORD l = (TYPE_UDWORD)fval;
if (!dtype)
return NULL;
val = newValue ();
val->etype = getSpec (val->type = copyLinkChain (dtype));
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;
+ SPEC_CVAL (val->etype).v_ulong = l;
return val;
}
if (SPEC_NOUN (val->etype) == V_FLOAT)
SPEC_CVAL (val->etype).v_float = fval;
- else {
- unsigned long l = fval;
+ else if (SPEC_NOUN (val->etype) == V_BIT ||
+ SPEC_NOUN (val->etype) == V_SBIT)
+ SPEC_CVAL (val->etype).v_uint = l & 1;
+ else if (SPEC_NOUN (val->etype) == V_BITFIELD)
+ SPEC_CVAL (val->etype).v_uint = l &
+ (0xffffu >> (16 - SPEC_BLEN (val->etype)));
+ else if (SPEC_NOUN (val->etype) == V_CHAR) {
+ if (SPEC_USIGN (val->etype))
+ SPEC_CVAL (val->etype).v_uint= (TYPE_UBYTE) l;
+ else
+ SPEC_CVAL (val->etype).v_int = (TYPE_BYTE) l;
+ } else {
if (SPEC_LONG (val->etype)) {
if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_ulong = (unsigned long) l;
+ SPEC_CVAL (val->etype).v_ulong = (TYPE_UDWORD) l;
else
- SPEC_CVAL (val->etype).v_long = (long) l;
+ SPEC_CVAL (val->etype).v_long = (TYPE_DWORD) l;
} else {
if (SPEC_USIGN (val->etype))
- SPEC_CVAL (val->etype).v_uint = (unsigned short)l;
+ SPEC_CVAL (val->etype).v_uint = (TYPE_UWORD)l;
else
- SPEC_CVAL (val->etype).v_int = (short)l;
+ SPEC_CVAL (val->etype).v_int = (TYPE_WORD)l;
}
}
return val;
/*------------------------------------------------------------------*/
/* getNelements - determines # of elements from init list */
/*------------------------------------------------------------------*/
-int
+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);
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;
- 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)
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;
- 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 ();
- 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;
projects / fw / sdcc / blobdiff