private VarConstItem createVar(GrammarParser.Def_varContext context)
{
String name, value = "";
DataType dt = DataType.Int;
name = context.Identifier().GetText();
if (context.Data_type_bool() != null)
{
dt = DataType.Bool;
value = BoolToInt(context.Bool().GetText());
}
else if (context.Data_type_double() != null)
{
dt = DataType.Double;
value = context.Double().GetText();
}
else
{
value = context.Int().GetText();
}
int addr = 0;
if (inFunction)
{
addr = inFunctionAddress;
}
else
{
addr = globalAddress;
}
return(new VarConstItem(name, value, VarConstType.Var, dt, addr, level));
}
public override int VisitDef_var([NotNull] GrammarParser.Def_varContext context)
{
VarConstItem newItem = createVar(context);
if (inFunction)
{
if (!localSymbolTable.ContainsVarConstItem(newItem.GetName()))
{
localSymbolTable.AddVarConstItem(newItem);
}
else
{
errors.Add("Promena " + newItem.GetName() + " uz existuje!\n");
Console.WriteLine("Promena " + newItem.GetName() + " uz existuje!\n");
}
inFunctionAddress += 1;
}
else
{
if (!globalSymbolTable.ContainsVarConstItem(newItem.GetName()))
{
globalSymbolTable.AddVarConstItem(newItem);
}
else
{
errors.Add("Promena " + newItem.GetName() + " uz existuje!\n");
Console.WriteLine("Promena " + newItem.GetName() + " uz existuje!\n");
}
globalAddress += 1;
}
Boolean isNeg = isNegative(newItem.GetValue());
String value = removeUnaryOperator(newItem.GetValue());
AddLIT(value);
if (isNeg)
{
AddOPR(Instruction.UNARY_MINUS);
}
base.VisitDef_var(context);
return(0);
}
/// <summary>
/// Enter a parse tree produced by <see cref="GrammarParser.def_var"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void EnterDef_var([NotNull] GrammarParser.Def_varContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="GrammarParser.def_var"/>.
/// <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_var([NotNull] GrammarParser.Def_varContext context)
{
return(VisitChildren(context));
}
