private void BeginHandler(Event e)
{
// code generation start here
EmitHandlerHeader(e.Name);
EmitEnterBlock();
_gc = new GateConverter();
// process labels before they are added ...
_gc.OnBeforeAddLabel = EvaluateCodeLabelBefore;
_guards = new GuardCollection();
_effectsbefore = new EffectsCollection();
_effectsafter = new EffectsCollection();
}
internal CodeLabel(GateConverter gc, int stage, int index, string name, IGate g)
: this(index, name)
{
_gc = gc;
_originalgate = _gate = g;
Stage = stage;
Debug.Assert(!(g is CodeLabel));
// if (g is IVariableCondition)
{
_gate = new LabelGate(this);
}
}
internal CodeLabel(GateConverter gc, int stage, int index, string name, IGate g)
: this(index, name)
{
_gc = gc;
_originalgate = _gate = g;
Stage = stage;
Debug.Assert(!(g is CodeLabel));
// if (g is IVariableCondition)
{
_gate = new LabelGate(this);
}
}
private void EndHandler()
{
if (TraceFlags.ShowLabel)
{
Trace("labels:\n{0}", _gc.ToDebugString());
}
_guards = null;
_effectsbefore = null;
_effectsafter = null;
_gc.Dispose();
_gc = null;
EmitLeaveBlock();
Writer.AppendComment();
}
private IGate Convert(GateConverter gc, int stage, IGate c)
{
//return gc.ConvertToGate(stage, c);
return c;
}
/*internal IGate EvaluateAndCompose(GateConverter gc, IGate pre, IGate post)
{
switch (GuardType)
{
case GuardType.LEAVE:
pre = Gate.ComposeAND(pre, PreCondition);
break;
case GuardType.TRANSITION:
c = Gate.ComposeAND(c, Convert(gc, 0, PreCondition));
c = Gate.ComposeAND(c, Convert(gc, 1, PostCondition));
break;
case GuardType.ENTER:
c = Gate.ComposeAND(c, Convert(gc, 1, PostCondition));
break;
default:
throw new ArgumentException("invalid guard type.");
}
return c;
}*/
private IGate Compose(GateConverter gc, IGate c, IGate a)
{
return Gate.ComposeAND(c, a);
//return Gate.ComposeAND(c, Convert(gc, 0, a));
}
private void EndHandler()
{
if(TraceFlags.ShowLabel)
{
Trace("labels:\n{0}", _gc.ToDebugString());
}
_guards = null;
_effectsbefore = null;
_effectsafter = null;
_gc.Dispose();
_gc = null;
EmitLeaveBlock();
Writer.AppendComment();
}
protected CodeGenerator(CodeWriter writer)
{
this._writer = writer;
_gc = null;
Parameters = new CodeParameters();
}
private void BeginHandler(Event e)
{
// code generation start here
EmitHandlerHeader(e.Name);
EmitEnterBlock();
_gc = new GateConverter();
// process labels before they are added ...
_gc.OnBeforeAddLabel = EvaluateCodeLabelBefore;
_guards = new GuardCollection();
_effectsbefore = new EffectsCollection();
_effectsafter = new EffectsCollection();
}
protected CodeGenerator(CodeWriter writer)
{
this._writer = writer;
_gc = null;
Parameters = new CodeParameters();
}
public void SMG_04_03_CodeLabels()
{
GateCache.Instance.Purge();
var cc = new StateMachineCompiler();
var sm = cc.CompileString(
"SMG test " +
"DECLARE State (a, b, c) s, t " +
"TRIGGER e WHEN s(a => b) AND t(b) " +
"GUARD WHEN s(* => b) AND t(b) CALL m1 " +
""
);
sm.Calculate();
PrintEventEffectConditions(sm);
var ev = sm.Events.Where(e => e.Name == "e").First();
using (var gc = new GateConverter())
{
ev.EffectsAfter.Schedule(gc);
var cle = new SimpleCodeLabelEvaluator();
// Trace("gc: \n{0}", gc.ToDebugString());
gc.Emit(cle, 0);
}
var eclist = ev.EffectsAfter.GetEffectConditions();
var ec = eclist.Where(a => a.Effect.UniqueID == "CALL m1").First();
Assert.AreEqual("<_c0><_c1>", ec.ConditionLabel.ToString());
/*var sb = new StringBuilder();
using (var w = new StringWriter(sb))
{
w.Write(sm.GenerateCode());
}
Trace("code:\n{0}", sb);*/
}