Method PrepareFunctionCall

sdk/angelscript/source/as_compiler.cpp:2312–2355

}

int asCCompiler::PrepareFunctionCall(int funcId, asCByteCode *bc, asCArray<asCExprContext *> &args)
{
	// When a match has been found, compile the final byte code using correct parameter types
	asCScriptFunction *descr = builder->GetFunctionDescription(funcId);

	asASSERT( (descr->IsVariadic() && args.GetLength() >= descr->parameterTypes.GetLength() - 1) || descr->parameterTypes.GetLength() == args.GetLength() );

	// If the function being called is the opAssign or copy constructor for the same type
	// as the argument, then we should avoid making temporary copy of the argument
	bool makingCopy = false;
	if( descr->parameterTypes.GetLength() == 1 &&
		descr->parameterTypes[0].IsEqualExceptRefAndConst(args[0]->type.dataType) &&
		(((descr->name == "opAssign" || descr->name == "$beh0") && descr->objectType && descr->objectType == args[0]->type.dataType.GetTypeInfo()) ||
		 (descr->objectType == 0 && args[0]->type.dataType.GetTypeInfo() && descr->name == args[0]->type.dataType.GetTypeInfo()->name)) )
		makingCopy = true;

	// Add code for arguments
	asCExprContext e(engine);
	for( int n = (int)args.GetLength()-1; n >= 0; n-- )
	{
		// Make sure PrepareArgument doesn't use any variable that is already
		// being used by the argument or any of the following argument expressions
		int l = int(reservedVariables.GetLength());
		for( int m = n; m >= 0; m-- )
			args[m]->bc.GetVarsUsed(reservedVariables);

		asUINT realParamIdx = n;
		if (descr->IsVariadic())
		{
			if (n >= (int)descr->parameterTypes.GetLength() - 1)
				realParamIdx = descr->parameterTypes.GetLength() - 1;
		}

		int r = PrepareArgument2(&e, args[n], &descr->parameterTypes[realParamIdx], true, descr->inOutFlags[realParamIdx], makingCopy);
		reservedVariables.SetLength(l);

		if (r < 0)
			return r;
	}

	bc->AddCode(&e.bc);

	return 0;
}

void asCCompiler::MoveArgsToStack(int funcId, asCByteCode *bc, asCArray<asCExprContext *> &args, bool addOneToOffset)
{