public void Visit(NAssign nAssign)
{
string lexeme = nAssign.AnchorToken.Lexeme;
if (currentFunction.GetLocalVariableSymbolByLexeme(lexeme) != null || semanticAnalyzer.GetGlobalVariableSymbolByLexeme(lexeme) != null)
{
Visit((dynamic)nAssign[0]);
}
else
{
throw new SemanticError("Variable not in scope", nAssign.AnchorToken);
}
}
// Loads variable into stack (push) by resolving if it is a local, global or parameter one
string loadVariable(string lexeme)
{
VariableSym varSym = currentFunction.GetLocalVariableSymbolByLexeme(lexeme);
if (varSym != null) // Lexeme represents local variable or parameter
{
if (varSym.kind == VariableSymKind.PARAMETER)
{
return("\t\tldarg '" + lexeme + "'\n");
}
else
{
return("\t\tldloc '" + lexeme + "'\n");
}
}
else // Lexeme represents global variable
{
return("\t\tldsfld int64 Int64Program::'" + lexeme + "'\n");
}
}
