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Disallow global variable declarations with an initializer.

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E.g.
extern int i = 42;
This commit is contained in:
Piotr Fusik 2017-02-13 19:41:05 +01:00
parent 287c5d6cd3
commit 1f12a06f7c
1 changed files with 2 additions and 5 deletions
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7
src/cc65/compile.c
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@ -144,17 +144,14 @@ static void Parse (void)
** **
** - if it is not a typedef or function, ** - if it is not a typedef or function,
** - if we don't had a storage class given ("int i") ** - if we don't had a storage class given ("int i")
** - if the storage class is explicitly specified as static, ** or the storage class is explicitly specified as static.
** - or if there is an initialization.
** **
** This means that "extern int i;" will not get storage allocated. ** This means that "extern int i;" will not get storage allocated.
*/ */
if ((Decl.StorageClass & SC_FUNC) != SC_FUNC && if ((Decl.StorageClass & SC_FUNC) != SC_FUNC &&
(Decl.StorageClass & SC_TYPEMASK) != SC_TYPEDEF && (Decl.StorageClass & SC_TYPEMASK) != SC_TYPEDEF &&
((Spec.Flags & DS_DEF_STORAGE) != 0 || ((Spec.Flags & DS_DEF_STORAGE) != 0 ||
(Decl.StorageClass & (SC_EXTERN|SC_STATIC)) == SC_STATIC || (Decl.StorageClass & (SC_EXTERN|SC_STATIC)) == SC_STATIC)) {
((Decl.StorageClass & SC_EXTERN) != 0 &&
CurTok.Tok == TOK_ASSIGN))) {
/* We will allocate storage */ /* We will allocate storage */
Decl.StorageClass |= SC_STORAGE | SC_DEF; Decl.StorageClass |= SC_STORAGE | SC_DEF;