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Removed a Py_None from cwrap.c.

Browse source 
Added SetNoneComparison in lang.cxx, which allows the language module to
specify how to determine whether the empty argument was given for the
'self' pointer.


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4473 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Art Yerkes 2003-03-08 03:25:09 +00:00
commit 636daff4e1
4 changed files with 24 additions and 5 deletions
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11
SWIG/Source/Swig/cwrap.c
View file

@ -609,7 +609,8 @@ Swig_directormap(Node *module, String *type) {
* ----------------------------------------------------------------------------- */
int
Swig_ConstructorToFunction(Node *n, String *classname, int cplus, int flags)
Swig_ConstructorToFunction(Node *n, String *classname,
String *none_comparison, int cplus, int flags)
{
ParmList *parms;
SwigType *type;
@ -649,16 +650,22 @@ Swig_ConstructorToFunction(Node *n, String *classname, int cplus, int flags)
String *name = Getattr(parent, "sym:name");
String* directorname = NewStringf("__DIRECTOR__%s", name);
String* action = NewString("");
String* tmp_none_comparison = Copy(none_comparison);
Replaceall( tmp_none_comparison, "$arg", "arg1" );
/* if Python class has been subclassed, create a director instance.
* otherwise, just create a normal instance.
*/
Printv(action, "if (arg1 != Py_None) { // subclassed\n",
// arty: arg1 != Py_None => tmp_none_comparison
Printv(action, "if (",tmp_none_comparison,") { // subclassed\n",
Swig_cresult(type, "result", Swig_cppconstructor_director_call(directorname, parms)),
"} else {\n",
Swig_cresult(type, "result", Swig_cppconstructor_nodirector_call(classname, parms)),
"}\n",
NULL);
Setattr(n, "wrap:action", action);
Delete(tmp_none_comparison);
Delete(action);
Delete(directorname);
} else {

4
SWIG/Source/Swig/swig.h
View file

@ -436,7 +436,9 @@ extern String *Swig_cmemberget_call(String_or_char *name, SwigType *t, String
/* --- Transformations --- */
extern int Swig_MethodToFunction(Node *n, String *classname, int flags);
extern int Swig_ConstructorToFunction(Node *n, String *classname, int cplus, int flags);
extern int Swig_ConstructorToFunction(Node *n, String *classname,
String *none_comparison,
int cplus, int flags);
extern int Swig_DestructorToFunction(Node *n, String *classname, int cplus, int flags);
extern int Swig_MembersetToFunction(Node *n, String *classname, int flags);
extern int Swig_MembergetToFunction(Node *n, String *classname, int flags);