public SafeLabel GetLabel(string Name)
{
if (!Labels.ContainsKey(Name))
{
Labels.Add(Name, SafeILGenerator.DefineLabel(Name));
}
return(Labels[Name]);
}
public void SwitchStatement(CParser.SwitchStatement SwitchStatement)
{
PutDebugLine(SwitchStatement);
SafeILGenerator.SaveRestoreTypeStack(() =>
{
// TODO: improve speed with tables and proper switch instead of lot of "if" checks.
var MapLabels = new Dictionary <int, SafeLabel>();
var DefaultLabel = SafeILGenerator.DefineLabel("SwitchDefault");
var EndLabel = SafeILGenerator.DefineLabel("SwitchEnd");
//var SwitchExpressionLocal = SafeILGenerator.DeclareLocal<long>("SwitchReference");
//SafeILGenerator.LoadLocal(SwitchExpressionLocal);
//foreach (var SwitchCaseStatement in SwitchStatement.Statements.Statements.Where(Item => Item is CParser.SwitchCaseStatement).Cast<CParser.SwitchCaseStatement>())
foreach (var Statement in SwitchStatement.Statements.Statements)
{
var SwitchCaseStatement = Statement as CParser.SwitchCaseStatement;
var SwitchDefaultStatement = Statement as CParser.SwitchDefaultStatement;
if (SwitchCaseStatement != null)
{
var Value = SwitchCaseStatement.Value.GetConstantValue <int>(null);
var CaseLabel = SafeILGenerator.DefineLabel("SwitchCase");
SwitchCaseStatement.Tag = CaseLabel;
//Console.WriteLine("Value: {0}", Value);
MapLabels.Add(Value, CaseLabel);
}
else if (SwitchDefaultStatement != null)
{
SwitchDefaultStatement.Tag = DefaultLabel;
}
}
Traverse(SwitchStatement.ReferenceExpression);
SafeILGenerator.Switch(MapLabels, DefaultLabel);
Scopable.RefScope(ref BreakableContext, new LabelContext(EndLabel), () =>
{
Traverse(SwitchStatement.Statements);
});
if (!DefaultLabel.Marked)
{
DefaultLabel.Mark();
}
EndLabel.Mark();
});
}
