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mods to use "default" typemap instead of default arguments for new default argument wrapping approach. Mainly %extend mods.

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@6307 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2004-10-04 20:27:55 +00:00
commit ebc7b406dd
1 changed files with 48 additions and 35 deletions
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83
SWIG/Source/Swig/cwrap.c
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@ -48,8 +48,8 @@ Swig_cparm_name(Parm *p, int i) {
* and user defined types to pointers. * and user defined types to pointers.
* ----------------------------------------------------------------------------- */ * ----------------------------------------------------------------------------- */
String * static String *
Swig_clocal(SwigType *t, String_or_char *name, String_or_char *value) { Swig_clocal(SwigType *t, const String_or_char *name, const String_or_char *value) {
String *decl; String *decl;
decl = NewString(""); decl = NewString("");
@ -155,7 +155,8 @@ int Swig_cargs(Wrapper *w, ParmList *p) {
pt = Getattr(p,"type"); pt = Getattr(p,"type");
if ((SwigType_type(pt) != T_VOID)) { if ((SwigType_type(pt) != T_VOID)) {
pname = Getattr(p,"name"); pname = Getattr(p,"name");
pvalue = Getattr(p,"value"); /* pvalue = Getattr(p,"value");*/
pvalue = 0;
altty = Getattr(p,"alttype"); altty = Getattr(p,"alttype");
type = Getattr(p,"type"); type = Getattr(p,"type");
tycode = SwigType_type(type); tycode = SwigType_type(type);
@ -174,7 +175,7 @@ int Swig_cargs(Wrapper *w, ParmList *p) {
if (!altty) { if (!altty) {
local = Swig_clocal(pt,lname,pvalue); local = Swig_clocal(pt,lname,pvalue);
} else { } else {
local = Swig_clocal(altty,lname, pvalue); local = Swig_clocal(altty,lname,pvalue);
} }
Wrapper_add_localv(w,lname,local,NIL); Wrapper_add_localv(w,lname,local,NIL);
i++; i++;
@ -512,7 +513,7 @@ Swig_ref_call(Node *n, const String* lname) {
/* ----------------------------------------------------------------------------- /* -----------------------------------------------------------------------------
* Swig_cdestructor_call() * Swig_cdestructor_call()
* *
* Creates a string that calls a C constructor function. * Creates a string that calls a C destructor function.
* *
* free((char *) arg0); * free((char *) arg0);
* ----------------------------------------------------------------------------- */ * ----------------------------------------------------------------------------- */
@ -529,7 +530,7 @@ Swig_cdestructor_call(Node *n) {
/* ----------------------------------------------------------------------------- /* -----------------------------------------------------------------------------
* Swig_cppdestructor_call() * Swig_cppdestructor_call()
* *
* Creates a string that calls a C constructor function. * Creates a string that calls a C destructor function.
* *
* delete arg0; * delete arg0;
* ----------------------------------------------------------------------------- */ * ----------------------------------------------------------------------------- */
@ -660,33 +661,36 @@ Swig_MethodToFunction(Node *n, String *classname, int flags) {
if (!(flags & CWRAP_EXTEND)) { if (!(flags & CWRAP_EXTEND)) {
Setattr(n,"wrap:action", Swig_cresult(Getattr(n,"type"),"result", Swig_cmethod_call(name,p,self))); Setattr(n,"wrap:action", Swig_cresult(Getattr(n,"type"),"result", Swig_cmethod_call(name,p,self)));
} else { } else {
String *code; /* Methods with default arguments are wrapped with additional methods for each default argument,
String *mangled; * however, only one extra %extend method is generated. */
String *membername = Swig_name_member(classname, name);
mangled = Swig_name_mangle(membername); String *defaultargs = Getattr(n,"defaultargs");
String *code = Getattr(n,"code");
String *membername = Swig_name_member(classname, name);
String *mangled = Swig_name_mangle(membername);
code = Getattr(n,"code");
type = Getattr(n,"type"); type = Getattr(n,"type");
/* Check if the method is overloaded. If so, and it has code attached, we append an extra suffix /* Check if the method is overloaded. If so, and it has code attached, we append an extra suffix
to avoid a name-clash in the generated wrappers. This allows overloaded methods to be defined to avoid a name-clash in the generated wrappers. This allows overloaded methods to be defined
in C. */ in C. */
if (Getattr(n,"sym:overloaded") && code) { if (Getattr(n,"sym:overloaded") && code) {
Append(mangled,Getattr(n,"sym:overname")); Append(mangled,Getattr(defaultargs ? defaultargs : n,"sym:overname"));
} }
Setattr(n,"wrap:action", Swig_cresult(Getattr(n,"type"),"result", Swig_cfunction_call(mangled,p)));
/* See if there is any code that we need to emit */ /* See if there is any code that we need to emit */
if (code) { if (!defaultargs && code) {
String *body; String *body;
String *tmp = NewStringf("%s(%s)", mangled, ParmList_str(p)); String *tmp = NewStringf("%s(%s)", mangled, ParmList_str_defaultargs(p));
body = SwigType_str(type,tmp); body = SwigType_str(type,tmp);
Delete(tmp); Delete(tmp);
Printv(body,code,"\n",NIL); Printv(body,code,"\n",NIL);
Setattr(n,"wrap:code",body); Setattr(n,"wrap:code",body);
Delete(body);
} }
Setattr(n,"wrap:action", Swig_cresult(Getattr(n,"type"),"result", Swig_cfunction_call(mangled,p)));
Delete(membername); Delete(membername);
Delete(mangled); Delete(mangled);
} }
@ -775,17 +779,12 @@ Swig_ConstructorToFunction(Node *n, String *classname,
Parm *p; Parm *p;
ParmList *directorparms; ParmList *directorparms;
SwigType *type; SwigType *type;
String *membername;
String *mangled;
Node *classNode; Node *classNode;
int use_director; int use_director;
classNode = Swig_methodclass(n); classNode = Swig_methodclass(n);
use_director = Swig_directorclass(n); use_director = Swig_directorclass(n);
membername = Swig_name_construct(classname);
mangled = Swig_name_mangle(membername);
parms = CopyParmList(nonvoid_parms(Getattr(n,"parms"))); parms = CopyParmList(nonvoid_parms(Getattr(n,"parms")));
/* Prepend the list of prefix_args (if any) */ /* Prepend the list of prefix_args (if any) */
@ -826,20 +825,36 @@ Swig_ConstructorToFunction(Node *n, String *classname,
SwigType_add_pointer(type); SwigType_add_pointer(type);
if (flags & CWRAP_EXTEND) { if (flags & CWRAP_EXTEND) {
/* Constructors with default arguments are wrapped with additional constructor methods for each default argument,
* however, only one extra %extend method is generated. */
String *defaultargs = Getattr(n,"defaultargs");
String *code = Getattr(n,"code"); String *code = Getattr(n,"code");
if (code) { String *membername = Swig_name_construct(classname);
String *wrap, *s; String *mangled = Swig_name_mangle(membername);
if (Getattr(n,"sym:overloaded") && code) {
Append(mangled,Getattr(n,"sym:overname")); /* Check if the constructor is overloaded. If so, and it has code attached, we append an extra suffix
} to avoid a name-clash in the generated wrappers. This allows overloaded constructors to be defined
s = NewStringf("%s(%s)", mangled, ParmList_str(parms)); in C. */
wrap = SwigType_str(type,s); if (Getattr(n,"sym:overloaded") && code) {
Delete(s); Append(mangled,Getattr(defaultargs ? defaultargs : n,"sym:overname"));
Printv(wrap,code,"\n",NIL);
Setattr(n,"wrap:code",wrap);
Delete(wrap);
} }
/* See if there is any code that we need to emit */
if (!defaultargs && code) {
String *body, *tmp;
tmp = NewStringf("%s(%s)", mangled, ParmList_str_defaultargs(parms));
body = SwigType_str(type,tmp);
Delete(tmp);
Printv(body,code,"\n",NIL);
Setattr(n,"wrap:code",body);
Delete(body);
}
Setattr(n,"wrap:action", Swig_cresult(type,"result", Swig_cfunction_call(mangled,parms))); Setattr(n,"wrap:action", Swig_cresult(type,"result", Swig_cfunction_call(mangled,parms)));
Delete(membername);
Delete(mangled);
} else { } else {
if (cplus) { if (cplus) {
/* if a C++ director class exists, create it rather than the original class */ /* if a C++ director class exists, create it rather than the original class */
@ -898,8 +913,6 @@ Swig_ConstructorToFunction(Node *n, String *classname,
if (directorparms != parms) if (directorparms != parms)
Delete(directorparms); Delete(directorparms);
Delete(parms); Delete(parms);
Delete(mangled);
Delete(membername);
return SWIG_OK; return SWIG_OK;
} }