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Fix for friend declarations, and other 'repeated' declarations.

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Now, this doesn't generate warnings:

 class A; class B*;

 int foo(A*, B*);

 struct A {
   friend int foo(A*, B*);
 };

but this generates

 struct B {
   friend double foo(A*, B*);
 };

which is correct, since they have different return types.

See the redefined.i file for most cases where
repeated (but not redefined) declarations are
not generating warnings now, such as:

// no warning
#define REPEATED 1
#define REPEATED 1

// yes warning
#define REDEFINED 1
#define REDEFINED 2

this is following the C, C++ and preprocessor
standard behavior.

The function 'need_redefined_warn(..)' was added to
util.c, if some strange corner appears, and therefore,
the parser.y file doesn't need to be changed latter.

Also, the redefined warning format in parser.y
was changed, so now it respond to William's -Fmicrosoft
flag.


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@5633 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Marcelo Matus 2004-01-15 03:16:40 +00:00
commit eaa0062cd2
5 changed files with 205 additions and 11 deletions
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3
Source/CParse/cparse.h
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@ -49,6 +49,9 @@ extern void Swig_cparse_replace_descriptor(String *s);
extern void cparse_normalize_void(Node *);
extern int need_protected(Node *n, int dirprot_mode);
extern Parm *Swig_cparse_parm(String *s);
extern int need_name_warning(Node *n);
extern int need_redefined_warn(Node* a, Node* b, int InClass);
/* templ.c */
extern int Swig_cparse_template_expand(Node *n, String *rname, ParmList *tparms);