public AbsynSwitch EmitSwitch(StructureNode node, Expression exp, List <AbsynStatement> stmts)
{
AbsynSwitch switchStm = new AbsynSwitch(exp, stmts);
stms.Add(switchStm);
return(switchStm);
}
public override void GenerateCode(AbsynCodeGenerator codeGen, StructureNode node, StructureNode latchNode, AbsynStatementEmitter emitter)
{
codeGen.EmitLinearBlockStatements(node, emitter);
Expression exp = ((SwitchInstruction)node.Instructions.Last.Instruction).Expression;
AbsynSwitch switchStm = emitter.EmitSwitch(node, exp, new List <AbsynStatement>());
AbsynStatementEmitter emitSwitchBranches = new AbsynStatementEmitter(switchStm.Statements);
if (Follow == null)
{
throw new NotSupportedException(string.Format("Null follow node for case statement at {0} is not supported.", node.Name));
}
codeGen.PushFollow(Follow);
for (int i = 0; i < node.OutEdges.Count; i++)
{
emitSwitchBranches.EmitCaseLabel(node, i);
StructureNode succ = node.OutEdges[i];
if (codeGen.IsVisited(succ))
{
codeGen.EmitGotoAndForceLabel(node, succ, emitSwitchBranches);
}
else
{
codeGen.GenerateCode(succ, latchNode, emitSwitchBranches);
emitSwitchBranches.EmitBreak();
}
}
codeGen.PopFollow();
codeGen.GenerateCode(Follow, latchNode, emitter);
}
public AbsynStatement VisitSwitch(AbsynSwitch absynSwitch)
{
for (int i = 0; i < absynSwitch.Statements.Count; ++i)
{
absynSwitch.Statements[i] = absynSwitch.Statements[i].Accept(this);
}
return(absynSwitch);
}
public void VisitSwitch(AbsynSwitch s)
{
writer.Indent();
writer.WriteKeyword("switch");
writer.Write(" (");
WriteExpression(s.Expression);
writer.Terminate(")");
WriteIndentedStatements(s.Statements, false);
}
public void VisitSwitch(AbsynSwitch absynSwitch)
{
stms.Add(absynSwitch);
}
public bool VisitSwitch(AbsynSwitch absynSwitch)
{
return(false);
}