Method RegisterGlobalFunction

sdk/angelscript/source/as_scriptengine.cpp:3078–3185

interface

// interface
int asCScriptEngine::RegisterGlobalFunction(const char *declaration, const asSFuncPtr &funcPointer, asDWORD callConv, void *auxiliary)
{
#ifdef AS_MAX_PORTABILITY
	if( callConv != asCALL_GENERIC )
		return ConfigError(asNOT_SUPPORTED, "RegisterGlobalFunction", declaration, 0);
#endif

	asSSystemFunctionInterface internal;
	int r = DetectCallingConvention(false, funcPointer, callConv, auxiliary, &internal);
	if( r < 0 )
		return ConfigError(r, "RegisterGlobalFunction", declaration, 0);

	isPrepared = false; // TODO: Only set this after the validations have been completed, to avoid unnecessary Prepare in case no change was made

	// Put the system function in the list of system functions
	asSSystemFunctionInterface *newInterface = asNEW(asSSystemFunctionInterface)(internal);
	if( newInterface == 0 )
		return ConfigError(asOUT_OF_MEMORY, "RegisterGlobalFunction", declaration, 0);

	asCScriptFunction *func = asNEW(asCScriptFunction)(this, 0, asFUNC_SYSTEM);
	if( func == 0 )
	{
		asDELETE(newInterface, asSSystemFunctionInterface);
		return ConfigError(asOUT_OF_MEMORY, "RegisterGlobalFunction", declaration, 0);
	}

	func->sysFuncIntf = newInterface;

	asCBuilder bld(this, 0);
	r = bld.ParseFunctionDeclaration(0, declaration, func, true, &newInterface->paramAutoHandles, &newInterface->returnAutoHandle, defaultNamespace);
	if( r < 0 )
	{
		// Set as dummy function before deleting
		func->funcType = asFUNC_DUMMY;
		asDELETE(func,asCScriptFunction);
		return ConfigError(asINVALID_DECLARATION, "RegisterGlobalFunction", declaration, 0);
	}

	if (func->templateSubTypes.GetLength())
	{
		func->funcType = asFUNC_TEMPLATE;

		// Template functions are only supported for generic calling convention
		if (callConv != asCALL_GENERIC)
			return ConfigError(asNOT_SUPPORTED, "RegisterGlobalFunction", declaration, 0);
	}

	if (func->IsVariadic())
	{
		// Variadic functions are only supported for generic calling convention
		if(callConv != asCALL_GENERIC)
			return ConfigError(asNOT_SUPPORTED, "RegisterGlobalFunction", declaration, 0);
	}

	// TODO: namespace: What if the declaration defined an explicit namespace?
	func->nameSpace = defaultNamespace;

	// Check name conflicts