Hi, I'm trying to get information about a script class's methods and parameters. Getting the name of the method and then the type id of each of the parameters works just fine, but when I try to get the name or default arguments it gives me a nullptr. I saw in asIScriptFunction::GetParam you have a comment that says that it doesn't work with pre-compiled bytecode w/o debug symbols, but this wasn't pre-compiled. The size of parameterNames in asIScriptFunction is 0.

Thanks,

dkrusu

Is this for all script functions or just in some cases? What does the script function look like?

Is this for all script functions or just in some cases? What does the script function look like?

None work, here is a test case

#include <angelscript.h>
#include <scripthelper.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>

void MessageCallback(const asSMessageInfo *msg, void *param)
{
	const char *type = "ERR ";
	if( msg->type == asMSGTYPE_WARNING ) 
		type = "WARN";
	else if( msg->type == asMSGTYPE_INFORMATION ) 
		type = "INFO";

	printf("%s (%d, %d) : %s : %s\n", msg->section, msg->row, msg->col, type, msg->message);
}

void printMethods(void *ref, int typeId)
{
    asIObjectType* objType = asGetActiveContext()->GetEngine()->GetObjectTypeById(typeId);
    uint32_t count = objType->GetMethodCount();
    for( uint32_t i=0; i<count; i++ )
    {
        asIScriptFunction* method = objType->GetMethodByIndex(i);
        uint32_t paramCount = method->GetParamCount();
        for( uint32_t j=0; j<count; j++ )
        {
            int paramTypeId;
            const char *paramName;
            method->GetParam(j, &paramTypeId, 0, &paramName);
            printf("%s\n", paramName);
        }        
    }
}

const char *script = 
            "class Test {\n"
            "   void test(int argumentName) { }\n"
            "}\n"
            "void test() {\n"
            "   Test t;\n"
            "   printMethods(t);\n"
            "}\n";

int main()
{
    asIScriptEngine *engine = asCreateScriptEngine(ANGELSCRIPT_VERSION);
    engine->SetMessageCallback(asFUNCTION(MessageCallback), 0, asCALL_CDECL);

    int r = engine->RegisterGlobalFunction("void printMethods(?&in)", asFUNCTION(printMethods), asCALL_CDECL); assert(r>=0);
    asIScriptModule *mod = engine->GetModule(0, asGM_ALWAYS_CREATE);

    r = mod->AddScriptSection("script", script, strlen(script));assert(r>=0);
    r = mod->Build(); assert(r>=0);

    asIScriptContext* ctx = engine->CreateContext();
    ctx->Prepare(mod->GetFunctionByDecl("void test()"));
    ctx->Execute();

    engine->Release();

    return 0;

}

Am I doing something wrong?

Try getting the non-virtual function descriptor for the class method. That one should hold the name of the parameters.

asIScriptFunction* method = objType->GetMethodByIndex(I, false); // get actual method implementation

Yes! Thanks for your excellent support and library.