protected override void GenerateCodeInner(AbsynCodeGenerator codeGen, StructureNode node, AbsynStatementEmitter emitter)
{
List <AbsynStatement> loopBody = new List <AbsynStatement>();
AbsynStatementEmitter bodyEmitter = new AbsynStatementEmitter(loopBody);
if (node.IsLatchNode())
{
codeGen.EmitLinearBlockStatements(node, bodyEmitter);
}
else
{
if (node.Conditional != null)
{
node.Conditional.GenerateCode(codeGen, node, Latch, bodyEmitter);
}
else
{
codeGen.EmitLinearBlockStatements(node, bodyEmitter);
if (node.OutEdges.Count != 1)
{
throw new NotSupportedException(string.Format("Expected top of PostTestedLoop {0} to have only 1 out edge, but found {1} out edges.", node.Name, node.OutEdges.Count));
}
codeGen.GenerateCode(node.OutEdges[0], Latch, bodyEmitter);
}
}
emitter.EmitDoWhile(loopBody, codeGen.BranchCondition(Latch));
}
public void GenerateCode(
StructureNode node,
StructureNode latchNode,
AbsynStatementEmitter emitter)
{
if (followStack.Contains(node) && followStack.Peek() == node)
{
return;
}
if (IsVisited(node))
{
return;
}
visited.Add(node);
if (NeedsLabel(node))
{
GenerateLabel(node, emitter);
}
if (node.IsLoopHeader())
{
node.Loop.GenerateCode(this, node, latchNode, emitter);
}
else if (node.Conditional != null)
{
node.Conditional.GenerateCode(this, node, latchNode, emitter);
}
else
{
EmitLinearBlockStatements(node, emitter);
if (EndsWithReturnInstruction(node))
{
emitter.EmitStatement(node.Instructions.Last);
return;
}
if (node.IsLatchNode())
{
return;
}
if (node.OutEdges.Count == 1)
{
StructureNode succ = node.OutEdges[0];
if (ShouldJumpFromSequentialNode(node, succ))
{
EmitGotoAndForceLabel(node, succ, emitter);
}
else
{
GenerateCode(succ, latchNode, emitter);
}
}
}
}
