public void Accept(SwitchNode node)
{
}
public void Accept(SwitchNode node)
{
if (!table.ContainsSymbol((++labelIndex).ToString()))
table.AddSymbol(labelIndex.ToString());
int tmp = table.GetSymbol(labelIndex.ToString());
int endSwitch = nextLabel();
node.Expression.Visit(this);
method.Emit(node.SourceLocation, InstructionType.StoreLocal, tmp);
foreach (var case_ in node.Cases)
{
int trueLabel = nextLabel();
int falseLabel = nextLabel();
foreach (var expression in case_.Expressions)
{
method.Emit(node.SourceLocation, InstructionType.LoadLocal, tmp);
expression.Visit(this);
method.Emit(node.SourceLocation, InstructionType.BinaryOperation, (int)case_.Operation);
method.Emit(node.SourceLocation, InstructionType.JumpIfTrue, trueLabel);
}
method.Emit(node.SourceLocation, InstructionType.Jump, falseLabel);
method.EmitLabel(node.SourceLocation, trueLabel);
case_.Body.Visit(this);
method.Emit(node.SourceLocation, InstructionType.Jump, endSwitch);
method.EmitLabel(node.SourceLocation, falseLabel);
}
node.DefaultCase.Visit(this);
method.EmitLabel(node.SourceLocation, endSwitch);
}
