private void rightSideValue(GrammarParser.AssignmentContext context)
{
String newValue = "";
if (context.Int() != null)
{
newValue = context.Int().GetText();
}
else if (context.Bool() != null)
{
newValue = BoolToInt(context.Bool().GetText());
}
else if (context.Double() != null)
{
newValue = context.Double().GetText();
}
Boolean isNeg = isNegative(newValue);
String value = removeUnaryOperator(newValue);
AddLIT(value);
if (isNeg)
{
AddOPR(Instruction.UNARY_MINUS);
}
/*int varLevel = retValTo.GetLevel();
* int varAddress = retValTo.GetAddress();
* int levelToMove = Math.Abs(level - varLevel);
* AddSTO(levelToMove, varAddress);*/
}
private void rightSideVarConst(GrammarParser.AssignmentContext context)
{
String rightSideName = context.Identifier(1).GetText();
VarConstItem rightSideVar = null;
if (localSymbolTable.ContainsVarConstItem(rightSideName))
{
rightSideVar = localSymbolTable.GetVarConstItemByName(rightSideName);
}
else if (globalSymbolTable.ContainsVarConstItem(rightSideName))
{
rightSideVar = globalSymbolTable.GetVarConstItemByName(rightSideName);
}
else
{
Console.WriteLine("Promena na prave strane neexistuje");
}
int varLevel = rightSideVar.GetLevel();
int levelToMove = Math.Abs(level - varLevel);
AddLOD(levelToMove, rightSideVar.GetAddress());
/*varLevel = retValTo.GetLevel();
* levelToMove = Math.Abs(level - varLevel);
* AddSTO(levelToMove, retValTo.GetAddress());*/
}
public override int VisitAssignment([NotNull] GrammarParser.AssignmentContext context)
{
String retValToName = context.Identifier(0).GetText();
if (localSymbolTable.ContainsVarConstItem(retValToName))
{
retValTo = localSymbolTable.GetVarConstItemByName(retValToName);
}
else if (globalSymbolTable.ContainsVarConstItem(retValToName))
{
retValTo = globalSymbolTable.GetVarConstItemByName(retValToName);
}
else
{
Console.WriteLine("Promena na levy strane neexistuje");
}
if (context.function_call() != null)
{
Console.WriteLine("PRAVA strana: function");
}
else if (context.expression() != null)
{
Console.WriteLine("PRAVA strana: expression");
}
else if (context.Identifier(1) != null)
{
Console.WriteLine("PRAVA strana: identifier");
rightSideVarConst(context);
}
else // jinak je na pravo nejaka hodnota int, double, bool
{
Console.WriteLine("PRAVA strana: int, double, bool hodnota");
rightSideValue(context);
}
base.VisitAssignment(context);
// pokud se neco returnuje, tady muzu resit kam to dat
// z VisitFunction_return bude navrcholu zasobniku nejaky cislo, pokud teda bude
// tyhle radky maj vsechny prirazeni spolecny, vsechny nechaj na vrcholu neco, co se potom musi storenout nekam (krome kdyz se jen vola fce)
// funkce se jeste musi udelat pres tu specialni misto v pameti asi
if (retValTo != null)
{
int varLevel = retValTo.GetLevel();
int varAddress = retValTo.GetAddress();
int levelToMove = Math.Abs(level - varLevel);
AddSTO(levelToMove, varAddress);
}
/*int varLevel = retValTo.GetLevel();
* int levelToMove = Math.Abs(level - varLevel);
* AddSTO(levelToMove, retValTo.GetAddress());*/
retValTo = null;
return(0);
}
/// <summary>
/// Exit a parse tree produced by <see cref="GrammarParser.assignment"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitAssignment([NotNull] GrammarParser.AssignmentContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="GrammarParser.assignment"/>.
/// <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 VisitAssignment([NotNull] GrammarParser.AssignmentContext context)
{
return(VisitChildren(context));
}
