//Should it be Func_expr or Func_stmt?
public override void EnterFunc_expr([NotNull] GrammarParser.Func_exprContext context)
{
ScopeNode LocalScope = new ScopeNode();
Scopes.Add(LocalScope);
LocalScope.Parent = currentScope;
currentScope = LocalScope;
base.EnterFunc_expr(context);
}
public override void EnterIter_stmt([NotNull] GrammarParser.Iter_stmtContext context)
{
ScopeNode LocalScope = new ScopeNode();
Scopes.Add(LocalScope);
LocalScope.Parent = currentScope;
currentScope = LocalScope;
base.EnterIter_stmt(context);
}
public override void EnterProgram([NotNull] GrammarParser.ProgramContext context)
{
ScopeNode GlobalScope = new ScopeNode();
Scopes.Add(currentScope);
Scopes.Add(GlobalScope);
currentScope = GlobalScope;
base.EnterProgram(context);
}
private bool LookUpScope(string expression)
{
ScopeNode Scope = currentScope;
while (Scope != null)
{
if (Scope.SymbolTable.ContainsKey(expression))
{
return(true);
}
else
{
Scope = Scope.Parent;
}
}
return(false);
}
public override void ExitFunc_expr([NotNull] GrammarParser.Func_exprContext context)
{
currentScope = currentScope.Parent;
base.ExitFunc_expr(context);
}
public override void ExitCond_stmt([NotNull] GrammarParser.Cond_stmtContext context)
{
currentScope = currentScope.Parent;
base.ExitCond_stmt(context);
}