// kdyz vlezu do smeru dolu tak level zvetsim asi a kdyz se vyleze tam zmensit
public override int VisitDef_one_function([NotNull] GrammarParser.Def_one_functionContext context)
{
inFunction = true;
localSymbolTable = new SymbolTable();
if (!jmpToMainDone)
{
DoMainJmp(0);
}
FuncItem newItem = createFunction(context);
if (!globalSymbolTable.ContainsFuncItem(newItem.GetName()))
{
globalSymbolTable.AddFuncItem(newItem);
}
else
{
//Console.WriteLine("Funkce s timhle jmenem uz existuje!\n");
errors.Add("Funkce " + newItem.GetName() + " už existuje!\n");
}
AddINT(3 + newItem.GetParameters().Count);
level += 1;
//inFunctionAddress = 3 + newItem.GetParameters().Count;
inFunctionAddress = 3;
for (int i = 0; i < newItem.GetParameters().Count; i++)
{
VarConstItem parItem = new VarConstItem(newItem.GetParameters()[i].getName(), "neni potreba",
VarConstType.Var, newItem.GetParameters()[i].getDataType(), inFunctionAddress, 0);
localSymbolTable.AddVarConstItem(parItem);
inFunctionAddress += 1;
}
base.VisitDef_one_function(context);
level -= 1;
Console.WriteLine(localSymbolTable.VarConstToString());
AddRET(0, 0);
inFunction = false;
localSymbolTable = null;
return(456);
}
private FuncItem createFunction(GrammarParser.Def_one_functionContext context)
{
String name = context.Identifier().GetText();;
DataType returnDataType = DataType.Int;
List <FunctionParameter> parameters = new List <FunctionParameter>();
if (context.function_return_data_typ().Data_type_void() != null)
{
returnDataType = DataType.Void;
}
else if (context.function_return_data_typ().data_type().Data_type_bool() != null)
{
returnDataType = DataType.Bool;
}
else if (context.function_return_data_typ().data_type().Data_type_double() != null)
{
returnDataType = DataType.Double;
}
GrammarParser.ParametersContext paramContext = context.parameters();
while (paramContext != null && paramContext.Identifier() != null)
{
DataType dType = DataType.Int;
if (paramContext.data_type().Data_type_double() != null)
{
dType = DataType.Double;
}
else if (paramContext.data_type().Data_type_bool() != null)
{
dType = DataType.Bool;
}
parameters.Add(new FunctionParameter(paramContext.Identifier().GetText(), dType));
paramContext = paramContext.parameters();
}
return(new FuncItem(name, returnDataType, instructionCount, parameters));
}
/// <summary>
/// Exit a parse tree produced by <see cref="GrammarParser.def_one_function"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitDef_one_function([NotNull] GrammarParser.Def_one_functionContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="GrammarParser.def_one_function"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitDef_one_function([NotNull] GrammarParser.Def_one_functionContext context)
{
return(VisitChildren(context));
}
