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Support special variable expansion in %extend.

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@13871 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2012-10-11 19:28:02 +00:00
commit b17a77c6ea
9 changed files with 117 additions and 40 deletions
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51
Source/Swig/cwrap.c
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@ -759,6 +759,46 @@ String *Swig_cmemberget_call(const_String_or_char_ptr name, SwigType *t, String
return func;
}
/* -----------------------------------------------------------------------------
* Swig_replace_special_variables()
*
* Replaces special variables with a value from the supplied node
* ----------------------------------------------------------------------------- */
void Swig_replace_special_variables(Node *n, Node *parentnode, String *code) {
Node *parentclass = parentnode;
String *overloaded = Getattr(n, "sym:overloaded");
Replaceall(code, "$name", Getattr(n, "name"));
Replaceall(code, "$symname", Getattr(n, "sym:name"));
Replaceall(code, "$wrapname", Getattr(n, "wrap:name"));
Replaceall(code, "$overname", overloaded ? Char(Getattr(n, "sym:overname")) : "");
if (Strstr(code, "$decl")) {
String *decl = Swig_name_decl(n);
Replaceall(code, "$decl", decl);
Delete(decl);
}
if (Strstr(code, "$fulldecl")) {
String *fulldecl = Swig_name_fulldecl(n);
Replaceall(code, "$fulldecl", fulldecl);
Delete(fulldecl);
}
if (parentclass && !Equal(nodeType(parentclass), "class"))
parentclass = 0;
if (Strstr(code, "$parentclasssymname")) {
String *parentclasssymname = 0;
if (parentclass)
parentclasssymname = Getattr(parentclass, "sym:name");
Replaceall(code, "$parentclasssymname", parentclasssymname ? parentclasssymname : "");
}
if (Strstr(code, "$parentclassname")) {
String *parentclassname = 0;
if (parentclass)
parentclassname = Getattr(parentclass, "name");
Replaceall(code, "$parentclassname", parentclassname ? parentclassname : "");
}
}
/* -----------------------------------------------------------------------------
* extension_code()
*
@ -767,14 +807,17 @@ String *Swig_cmemberget_call(const_String_or_char_ptr name, SwigType *t, String
* return_type function_name(parms) code
*
* ----------------------------------------------------------------------------- */
static String *extension_code(const String *function_name, ParmList *parms, SwigType *return_type, const String *code, int cplusplus, const String *self) {
static String *extension_code(Node *n, const String *function_name, ParmList *parms, SwigType *return_type, const String *code, int cplusplus, const String *self) {
String *parms_str = cplusplus ? ParmList_str_defaultargs(parms) : ParmList_str(parms);
String *sig = NewStringf("%s(%s)", function_name, parms_str);
String *rt_sig = SwigType_str(return_type, sig);
String *body = NewStringf("SWIGINTERN %s", rt_sig);
Printv(body, code, "\n", NIL);
if (self)
Replaceall(body, "$self", self);
if (Strstr(body, "$")) {
Swig_replace_special_variables(n, parentNode(parentNode(n)), body);
if (self)
Replaceall(body, "$self", self);
}
Delete(parms_str);
Delete(sig);
Delete(rt_sig);
@ -791,7 +834,7 @@ static String *extension_code(const String *function_name, ParmList *parms, Swig
*
* ----------------------------------------------------------------------------- */
int Swig_add_extension_code(Node *n, const String *function_name, ParmList *parms, SwigType *return_type, const String *code, int cplusplus, const String *self) {
String *body = extension_code(function_name, parms, return_type, code, cplusplus, self);
String *body = extension_code(n, function_name, parms, return_type, code, cplusplus, self);
Setattr(n, "wrap:code", body);
Delete(body);
return SWIG_OK;