public override void Generate(ModuleContext context)
{
context.BeginLoop();
var bindIndex = new BindExpression(indexExp, beginExp);
bindIndex.Generate(context);
context.Add(new ByteCode {
opCode = ByteCode.OpCode.Clear
});
var beginLabel = new LabelExpression(context.NewUID(), indexExp.debugInfo);
beginLabel.Generate(context);
var jumpBegin = new LuaLabel(context.vm, beginLabel.value, beginLabel.index);
condExp.Generate(context);
var endLabel = new LabelExpression(context.NewUID(), indexExp.debugInfo);
var jumpEnd = new LuaLabel(context.vm, endLabel.value, endLabel.index);
context.Add(new ByteCode {
opCode = ByteCode.OpCode.JumpIf, opArg = jumpEnd
});
context.Add(new ByteCode {
opCode = ByteCode.OpCode.Clear
});
moduleExp.Generate(context);
changeExp.Generate(context);
context.Add(new ByteCode {
opCode = ByteCode.OpCode.Jump, opArg = jumpBegin
});
endLabel.Generate(context);
jumpEnd.index = endLabel.index;
context.EndLoop(jumpEnd);
}
public override void Generate(ModuleContext context)
{
var jumpEnd = new LuaLabel(context.vm, null, 0);
context.OnBreak(jumpEnd);
context.Add(new ByteCode {
opCode = ByteCode.OpCode.Jump, opArg = jumpEnd
});
}
public void EndLoop(LuaLabel endLabel)
{
var queue = breakStack.Pop();
while (queue.Count > 0)
{
var item = queue.Dequeue();
item.value = endLabel.value;
item.index = endLabel.index;
}
}
public override void Generate(ModuleContext context)
{
condExp.Generate(context);
var endLabel = new LabelExpression(context.NewUID(), condExp.debugInfo);
var jumpEnd = new LuaLabel(context.vm, endLabel.value, endLabel.index);
context.Add(new ByteCode {
opCode = ByteCode.OpCode.JumpNot, opArg = jumpEnd
});
moduleExp.Generate(context);
endLabel.Generate(context);
jumpEnd.index = endLabel.index;
}
public void Jump(LuaLabel label)
{
position = label.index;
}
public void OnBreak(LuaLabel label)
{
breakStack.Peek().Enqueue(label);
}