Method PerformAssign

source/script.cpp:11640–11661

ResultType Line::PerformAssign()
{
	// Note: This line's args have not yet been dereferenced in this case (i.e. ExpandArgs() hasn't been called).
	// Currently, ACT_ASSIGNEXPR can occur even when mArg[1].is_expression==false, such as things like var:=5
	// and var:="string".  Search on "is_expression = " to find such cases in the script-loading/parsing routines.
	
	if (!mArg[1].is_expression)
	{
		ASSERT(mArg[1].postfix);
		// Examples of assignments this covers:
		//		x := 123
		//		x := 1.0
		//		x := "quoted literal string"
		//		x := normal_var  ; but not VAR_VIRTUAL or VAR_CONSTANT
		if (mArg[1].postfix->symbol == SYM_VAR && mArg[1].postfix->var->IsUninitialized())
			return g_script.VarUnsetError(mArg[1].postfix->var); // !is_expression implies VAR_NORMAL, so InitializeConstant() isn't needed here.
		Var *output_var = VAR(mArg[0]);
		return output_var->Assign(*mArg[1].postfix);
	}

	return ExpandArgs(); // ExpandExpression() will also take care of the assignment (for performance).
}