public override bool EvalStep(out object answer, ref Control expression, ref Environment environment)
{
#if DEBUG
Warm ("SimpleLambda");
if (this.staticMapping == null)
throw new NotImplementedException("Static mapping should not be null.");
#endif
this.closeCount += 1;
object [] cells = environment.GetValueCells (this.staticMapping);
#if DEBUG
SCode.location = "SimpleLambda";
#endif
// Use the base environment for lookup.
answer = new SimpleClosure (this, environment.BaseEnvironment, cells);
return false;
}
public override bool EvalStep(out object answer, ref Control expression, ref Environment environment)
{
#if DEBUG
Warm ("-");
NoteCalls (this.rator);
SCode.location = "StaticLet2QQ";
#endif
object ev1 = this.rand1Value;
object ev0 = this.rand0Value;
object [] cells = environment.GetValueCells (this.lambda.StaticMapping);
#if DEBUG
SCode.location = "StaticLet2QQ";
#endif
// StaticClosure cl = new StaticClosure ((StaticLambda) this.rator, environment);
StaticClosure cl = new StaticClosure (this.lambda, environment.BaseEnvironment, cells);
expression = this.body;
environment = new StaticEnvironment (cl, new object [] { ev0, ev1 });
answer = null;
return true;
}
public override bool EvalStep(out object answer, ref Control expression, ref Environment environment)
{
#if DEBUG
Warm ("StaticLambda");
#endif
this.closeCount += 1;
object [] cells = environment.GetValueCells (this.staticMapping);
#if DEBUG
SCode.location = "StaticLambda";
#endif
answer = new StaticClosure (this, environment.BaseEnvironment, cells);
return false;
}
public override bool EvalStep(out object answer, ref Control expression, ref Environment environment)
{
#if DEBUG
Warm ("-");
NoteCalls (this.rator);
NoteCalls (this.rand1);
rand1TypeHistogram.Note (this.rand1Type);
SCode.location = "StaticLet2Q";
#endif
object ev1;
Environment env = environment;
Control unev = this.rand1;
while (unev.EvalStep (out ev1, ref unev, ref env)) { };
#if DEBUG
SCode.location = "StaticLet2Q";
#endif
if (ev1 == Interpreter.UnwindStack) {
((UnwinderState) env).AddFrame (new Combination2Frame0 (this, environment));
environment = env;
answer = Interpreter.UnwindStack;
return false;
}
object ev0 = this.rand0Value;
object [] cells = environment.GetValueCells (this.lambda.StaticMapping);
#if DEBUG
SCode.location = "StaticLet2Q";
#endif
// StaticClosure cl = new StaticClosure ((StaticLambda) this.rator, environment);
StaticClosure cl = new StaticClosure (this.lambda, environment.BaseEnvironment, cells);
expression = this.body;
environment = new StaticEnvironment (cl, new object [] { ev0, ev1 });
answer = null;
return true;
}