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Using typdefs, it is possible to construct types that have qualifiers

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attached to an array (not the elementtype). Fix these problems by tranfering
the qualifiers to the elements.


git-svn-id: svn://svn.cc65.org/cc65/trunk@3774 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2007-03-18 18:26:00 +00:00
parent 4c91b95d30
commit 030ce6ad28
1 changed files with 49 additions and 20 deletions
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53
src/cc65/declare.c
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@ -125,7 +125,7 @@ static TypeCode OptionalQualifiers (TypeCode Q)
static void optionalint (void) static void OptionalInt (void)
/* Eat an optional "int" token */ /* Eat an optional "int" token */
{ {
if (CurTok.Tok == TOK_INT) { if (CurTok.Tok == TOK_INT) {
@ -136,7 +136,7 @@ static void optionalint (void)
static void optionalsigned (void) static void OptionalSigned (void)
/* Eat an optional "signed" token */ /* Eat an optional "signed" token */
{ {
if (CurTok.Tok == TOK_SIGNED) { if (CurTok.Tok == TOK_SIGNED) {
@ -212,6 +212,32 @@ static void AddArrayToDeclaration (Declaration* D, long Size)
static void FixArrayQualifiers (Type* T)
/* Using typedefs, it is possible to generate declarations that have
* type qualifiers attached to an array, not the element type. Go and
* fix these here.
*/
{
TypeCode Q = T_QUAL_NONE;
while (T->C != T_END) {
if (IsTypeArray (T)) {
/* Extract any type qualifiers */
Q |= T->C & T_MASK_QUAL;
T->C = UnqualifiedType (T->C);
} else {
/* Add extracted type qualifiers here */
T->C |= Q;
Q = T_QUAL_NONE;
}
++T;
}
/* Q must be empty now */
CHECK (Q == T_QUAL_NONE);
}
static void ParseStorageClass (DeclSpec* D, unsigned DefStorage) static void ParseStorageClass (DeclSpec* D, unsigned DefStorage)
/* Parse a storage class */ /* Parse a storage class */
{ {
@ -453,12 +479,12 @@ static void ParseTypeSpec (DeclSpec* D, long Default, TypeCode Qualifiers)
NextToken (); NextToken ();
if (CurTok.Tok == TOK_UNSIGNED) { if (CurTok.Tok == TOK_UNSIGNED) {
NextToken (); NextToken ();
optionalint (); OptionalInt ();
D->Type[0].C = T_ULONG; D->Type[0].C = T_ULONG;
D->Type[1].C = T_END; D->Type[1].C = T_END;
} else { } else {
optionalsigned (); OptionalSigned ();
optionalint (); OptionalInt ();
D->Type[0].C = T_LONG; D->Type[0].C = T_LONG;
D->Type[1].C = T_END; D->Type[1].C = T_END;
} }
@ -468,12 +494,12 @@ static void ParseTypeSpec (DeclSpec* D, long Default, TypeCode Qualifiers)
NextToken (); NextToken ();
if (CurTok.Tok == TOK_UNSIGNED) { if (CurTok.Tok == TOK_UNSIGNED) {
NextToken (); NextToken ();
optionalint (); OptionalInt ();
D->Type[0].C = T_USHORT; D->Type[0].C = T_USHORT;
D->Type[1].C = T_END; D->Type[1].C = T_END;
} else { } else {
optionalsigned (); OptionalSigned ();
optionalint (); OptionalInt ();
D->Type[0].C = T_SHORT; D->Type[0].C = T_SHORT;
D->Type[1].C = T_END; D->Type[1].C = T_END;
} }
@ -497,14 +523,14 @@ static void ParseTypeSpec (DeclSpec* D, long Default, TypeCode Qualifiers)
case TOK_SHORT: case TOK_SHORT:
NextToken (); NextToken ();
optionalint (); OptionalInt ();
D->Type[0].C = T_SHORT; D->Type[0].C = T_SHORT;
D->Type[1].C = T_END; D->Type[1].C = T_END;
break; break;
case TOK_LONG: case TOK_LONG:
NextToken (); NextToken ();
optionalint (); OptionalInt ();
D->Type[0].C = T_LONG; D->Type[0].C = T_LONG;
D->Type[1].C = T_END; D->Type[1].C = T_END;
break; break;
@ -532,14 +558,14 @@ static void ParseTypeSpec (DeclSpec* D, long Default, TypeCode Qualifiers)
case TOK_SHORT: case TOK_SHORT:
NextToken (); NextToken ();
optionalint (); OptionalInt ();
D->Type[0].C = T_USHORT; D->Type[0].C = T_USHORT;
D->Type[1].C = T_END; D->Type[1].C = T_END;
break; break;
case TOK_LONG: case TOK_LONG:
NextToken (); NextToken ();
optionalint (); OptionalInt ();
D->Type[0].C = T_ULONG; D->Type[0].C = T_ULONG;
D->Type[1].C = T_END; D->Type[1].C = T_END;
break; break;
@ -1131,6 +1157,9 @@ void ParseDecl (const DeclSpec* Spec, Declaration* D, unsigned Mode)
NeedTypeSpace (D, TypeLen (Spec->Type) + 1); /* Bounds check */ NeedTypeSpace (D, TypeLen (Spec->Type) + 1); /* Bounds check */
TypeCpy (D->Type + D->Index, Spec->Type); TypeCpy (D->Type + D->Index, Spec->Type);
/* Fix any type qualifiers attached to an array type */
FixArrayQualifiers (D->Type);
/* Check the size of the generated type */ /* Check the size of the generated type */
if (!IsTypeFunc (D->Type) && !IsTypeVoid (D->Type)) { if (!IsTypeFunc (D->Type) && !IsTypeVoid (D->Type)) {
unsigned Size = SizeOf (D->Type); unsigned Size = SizeOf (D->Type);