public static IADNode Condition()
{
MainFSM.GetNextToken();
if (MainFSM.GetNextToken().Type != TokenType.leftRBType)
{
ParserFunctions.SyntaxError("Byl ocekavan znak \'(\'");
}
var result = new ADCondition();
result.Condition = PrecedenceSyntaxAnalysis.Precedence(TokenType.rightRBType);
MainFSM.GetNextToken();
if (MainFSM.GetNextToken().Type != TokenType.leftCBType)
{
ParserFunctions.SyntaxError("Byl ocekavan znak \'{\'");
}
ParserFunctions.STablesStack.Push(new STable());
result.IfBody = ParserFunctions.statement_list();
if (MainFSM.GetNextToken().Type != TokenType.rightCBType)
{
ParserFunctions.SyntaxError("Byl ocekavan znak \'}\'");
}
ParserFunctions.STablesStack.Pop();
if (MainFSM.PeekNextToken().Type != TokenType.elseType)
{
return(result);
}
else
{
MainFSM.GetNextToken();
if (MainFSM.GetNextToken().Type != TokenType.leftCBType)
{
ParserFunctions.SyntaxError("Byl ocekavan znak \'{\'");
}
ParserFunctions.STablesStack.Push(new STable());
result.ElseBody = ParserFunctions.statement_list();
if (MainFSM.GetNextToken().Type != TokenType.rightCBType)
{
ParserFunctions.SyntaxError("Byl ocekavan znak \'}\'");
}
ParserFunctions.STablesStack.Pop();
return(result);
}
}
public static void PrintCondition(ADCondition condition, string breakLabel = "", string continueLabel = "", string returnLabel = "", IADExpression forIncrement = null)
{
var endLabel = GenerateLabel();
var elseLabel = GenerateLabel();
var bodyLabel = GenerateLabel();
if (condition.ElseBody != null)
{
Console.WriteLine(PrintExpression(condition.Condition, false, false, elseLabel, bodyLabel));
EvalCondition(elseLabel);
}
else
{
Console.WriteLine(PrintExpression(condition.Condition, false, false, endLabel, bodyLabel));
EvalCondition(endLabel);
}
Console.WriteLine($"{bodyLabel}:");
foreach (var item in condition.IfBody)
{
if (item is ADContinue && forIncrement != null)
{
Console.WriteLine(PrintExpression(forIncrement));
}
PrintNode(item, breakLabel, continueLabel, returnLabel);
}
Console.WriteLine($"jmp {endLabel}");
if (condition.ElseBody != null)
{
Console.WriteLine($"{elseLabel}:");
foreach (var item in condition.ElseBody)
{
if (item is ADBreak)
{
PrintBreak(breakLabel);
}
else
{
PrintNode(item, breakLabel, continueLabel, returnLabel);
}
}
}
Console.WriteLine($"{endLabel}:");
}
public static void PrintCondition(ADCondition condition, string tab)
{
Console.WriteLine($"{tab}|- Condition:");
Console.WriteLine($"{tab}\t If:");
PrintExpression(condition.Condition, tab + "\t");
if (condition.IfBody.Count() > 0)
{
foreach (var node in condition.IfBody)
{
PrintNode(node, tab + "\t\t");
}
}
if (condition.ElseBody != null && condition.ElseBody.Count() > 0)
{
Console.WriteLine($"{tab}\t Else:");
foreach (var node in condition.ElseBody)
{
PrintNode(node, tab + "\t\t");
}
}
}
