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Move some storage class handling and checking for implicit into from locals.c

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and compile.c into ParseDecl() (declare.c).


git-svn-id: svn://svn.cc65.org/cc65/trunk@3867 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2008-08-03 18:20:12 +00:00
parent 841ea0e686
commit 24c6e1ce5b
3 changed files with 33 additions and 32 deletions
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35
src/cc65/compile.c
View File

@ -83,7 +83,6 @@ static void Parse (void)
DeclSpec Spec;
Declaration Decl;
int NeedStorage;
/* Check for empty statements */
if (CurTok.Tok == TOK_SEMI) {
@ -123,16 +122,6 @@ static void Parse (void)
continue;
}
/* Check if we must reserve storage for the variable. We do
* this if we don't had a storage class given ("int i") or
* if the storage class is explicitly specified as static.
* This means that "extern int i" will not get storage
* allocated.
*/
NeedStorage = (Spec.StorageClass & SC_TYPEDEF) == 0 &&
((Spec.Flags & DS_DEF_STORAGE) != 0 ||
(Spec.StorageClass & (SC_STATIC | SC_EXTERN)) == SC_STATIC);
/* Read declarations for this type */
Entry = 0;
comma = 0;
@ -145,17 +134,19 @@ static void Parse (void)
break;
}
/* Get the symbol flags */
if (IsTypeFunc (Decl.Type)) {
Decl.StorageClass |= SC_FUNC;
} else if ((Decl.StorageClass & SC_TYPEDEF) == 0) {
if ((Spec.Flags & DS_DEF_TYPE) != 0 && IS_Get (&Standard) >= STD_C99) {
Warning ("Implicit `int' is an obsolete feature");
}
if (NeedStorage) {
/* We will allocate storage, variable is defined */
Decl.StorageClass |= SC_STORAGE | SC_DEF;
}
/* Check if we must reserve storage for the variable. We do this,
* if it is not a typedef or function, if we don't had a storage
* class given ("int i") or if the storage class is explicitly
* specified as static. This means that "extern int i" will not
* get storage allocated.
*/
if ((Decl.StorageClass & SC_FUNC) == 0 &&
(Decl.StorageClass & SC_TYPEDEF) == 0 &&
((Spec.Flags & DS_DEF_STORAGE) != 0 ||
(Decl.StorageClass & (SC_STATIC | SC_EXTERN)) == SC_STATIC)) {
/* We will allocate storage */
Decl.StorageClass |= SC_STORAGE | SC_DEF;
}
/* Add an entry to the symbol table */

18
src/cc65/declare.c
View File

@ -1160,6 +1160,11 @@ void ParseDecl (const DeclSpec* Spec, Declaration* D, unsigned Mode)
/* Fix any type qualifiers attached to an array type */
FixArrayQualifiers (D->Type);
/* If we have a function, add a special storage class */
if (IsTypeFunc (D->Type)) {
D->StorageClass |= SC_FUNC;
}
/* Check several things for function or function pointer types */
if (IsTypeFunc (D->Type) || IsTypeFuncPtr (D->Type)) {
@ -1200,6 +1205,19 @@ void ParseDecl (const DeclSpec* Spec, Declaration* D, unsigned Mode)
}
/* For anthing that is not a function or typedef, check for an implicit
* int declaration.
*/
if ((D->StorageClass & SC_FUNC) != SC_FUNC &&
(D->StorageClass & SC_TYPEDEF) != SC_TYPEDEF) {
/* If the standard was not set explicitly to C89, print a warning
* for variables with implicit int type.
*/
if ((Spec->Flags & DS_DEF_TYPE) != 0 && IS_Get (&Standard) >= STD_C99) {
Warning ("Implicit `int' is an obsolete feature");
}
}
/* Check the size of the generated type */
if (!IsTypeFunc (D->Type) && !IsTypeVoid (D->Type)) {
unsigned Size = SizeOf (D->Type);

12
src/cc65/locals.c
View File

@ -388,13 +388,12 @@ static void ParseOneDecl (const DeclSpec* Spec)
ParseDecl (Spec, &Decl, DM_NEED_IDENT);
/* Set the correct storage class for functions */
if (IsTypeFunc (Decl.Type)) {
if ((Decl.StorageClass & SC_FUNC) == SC_FUNC) {
/* Function prototypes are always external */
if ((Decl.StorageClass & SC_EXTERN) == 0) {
Warning ("Function must be extern");
}
Decl.StorageClass |= SC_FUNC | SC_EXTERN;
Decl.StorageClass |= SC_EXTERN;
}
/* If we don't have a name, this was flagged as an error earlier.
@ -437,13 +436,6 @@ static void ParseOneDecl (const DeclSpec* Spec)
} else {
Internal ("Invalid storage class in ParseOneDecl: %04X", Decl.StorageClass);
}
/* If the standard was not set explicitly to C89, print a warning
* for variables with implicit int type.
*/
if ((Spec->Flags & DS_DEF_TYPE) != 0 && IS_Get (&Standard) >= STD_C99) {
Warning ("Implicit `int' is an obsolete feature");
}
}
/* If the symbol is not marked as external, it will be defined now */