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Fix #2408232. Improve shared_ptr and intrusive_ptr wrappers for classes in an inheritance hierarchy. No special treatment is needed for derived classes, the SWIG_SHARED_PTR_DERIVED macro is deprecated.

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12036 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2010-05-22 22:49:47 +00:00
commit 12cfc251e4
13 changed files with 124 additions and 104 deletions
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31
Source/Modules/typepass.cxx
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@ -231,6 +231,37 @@ class TypePass:private Dispatcher {
Node *bclass = n; /* Getattr(n,"class"); */
Hash *scopes = Getattr(bclass, "typescope");
SwigType_inherit(clsname, bname, cast, 0);
String *smartptr = Getattr(first, "feature:smartptr");
if (smartptr) {
SwigType *smart = 0;
SwigType *spt = Swig_cparse_type(smartptr);
if (spt) {
smart = SwigType_typedef_resolve_all(spt);
Delete(spt);
/* Record a (fake) inheritance relationship between smart pointer
and smart pointer to base class, so that smart pointer upcasts
are automatically generated. */
SwigType *bsmart = Copy(smart);
SwigType *rclsname = SwigType_typedef_resolve_all(clsname);
SwigType *rbname = SwigType_typedef_resolve_all(bname);
Replaceall(bsmart, rclsname, rbname);
Delete(rclsname);
Delete(rbname);
String *smartnamestr = SwigType_namestr(smart);
String *bsmartnamestr = SwigType_namestr(bsmart);
/* construct casting code */
String *convcode = NewStringf("\n *newmemory = SWIG_CAST_NEW_MEMORY;\n return (void *) new %s(*(%s *)$from);\n", bsmartnamestr, smartnamestr);
Delete(bsmartnamestr);
Delete(smartnamestr);
/* setup inheritance relationship between smart pointer templates */
SwigType_inherit(smart, bsmart, 0, convcode);
Delete(convcode);
Delete(bsmart);
Delete(smart);
} else {
Swig_error(Getfile(first), Getline(first), "Invalid type (%s) in 'smartptr' feature for class %s.\n", smartptr, clsname);
}
}
if (!importmode) {
String *btype = Copy(bname);
SwigType_add_pointer(btype);