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Add support for type-based dispatching of overloaded functions.

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/oliverb-javascript-v8@13779 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Oliver Buchtala 2012-09-08 01:02:16 +00:00
commit 07d5ec24ce
2 changed files with 54 additions and 23 deletions
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50
Lib/javascript/jsc/javascriptcode.swg
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@ -58,21 +58,37 @@ JSValueRef ${functionname}(JSContextRef context, JSObjectRef function, JSObjectR
}
%}
/**************************************************************************************
function_dispatch_case: This template is used for the function which is overloaded
***************************************************************************************/
%fragment ("JS_functionwrapper_overload", "templates")
%{
int ${functionname}(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argc, const JSValueRef argv[], JSValueRef* exception, JSValueRef* result)
{
${LOCALS}
${CODE}
*result = jsresult;
return SWIG_OK;
goto fail;
fail:
return SWIG_TypeError;
}
%}
/***********************************************************************
* JS_function_dispatch_case:
* This template is used to create a branch for dispatching
* to an overloaded function.
***********************************************************************/
%fragment ("JS_function_dispatch_case", "templates")
%{if(argc == ${argcount}) {
jsresult = ${functionwrapper}(context, function, thisObject, argc, argv, exception);
} else %}
res = ${functionwrapper}(context, function, thisObject, argc, argv, exception, &jsresult);
if(res == SWIG_OK) { *exception = 0; return jsresult; }
}
%}
%fragment ("JS_function_dispatch_case_default", "templates")
%{
{
// TODO: throw JS exception
throw "Invalid function arguments.";
}
SWIG_exception_fail(SWIG_ERROR, "Illegal arguments for function ${functionname}.");
%}
/* Added template for function declaration */
@ -173,18 +189,16 @@ void _wrap_${classname_mangled}_finalize(JSObjectRef thisObject)
JSObjectRef _wrap_create_${classname_mangled}(JSContextRef context, JSObjectRef ctorObject,
size_t argc, const JSValueRef argv[], JSValueRef* exception)
{
JSObjectRef thisObject;
JSObjectRef thisObject = NULL;
// switch all cases by means of series of if-returns.
${DISPATCH_CASES}
{
// TODO: handle illegal arguments
SWIG_exception_fail(SWIG_ERROR, "Illegal arguments for contruction of ${classname_mangled}");
}
return thisObject;
// default:
SWIG_exception_fail(SWIG_ERROR, "Illegal arguments for contruction of ${classname_mangled}");
fail:
return NULL;
return thisObject;
}
%}
@ -195,7 +209,9 @@ ctor_dispatch_case: This template is used for the constructor which is overloade
%fragment ("JS_ctor_dispatch_case", "templates")
%{if(argc == ${argcount}) {
thisObject = _wrap_create_${classname_mangled}${overloadext}(context, NULL, argc, argv, exception);
} else %}
if(thisObject != NULL) { *exception=0; return thisObject; } /* reset exception and return */
}
%}
%fragment ("JS_ctordefn", "templates")