public override void Compile(Emitter.Emitter emitter)
{
var methodType = emitter.CurrentMethod.Type.Signature;
var exprType = "void";
if (Expression != null)
{
exprType = GetExpressionType(emitter);
Expression.Compile(emitter);
}
if(!emitter.TypeIsParent(methodType, exprType))
Error(String.Format(Resources.errReturnTypeMismatch, emitter.CurrentMethod.Name, emitter.CurrentMethod.Type.Signature, exprType));
emitter.EmitReturn();
}
public override void Compile(Emitter.Emitter emitter)
{
if (!BuiltIn)
{
emitter.CurrentMethod = this;
// special cases for constructors
if(Name == ".ctor")
{
// invoke base constructor
emitter.EmitLoadThis();
if(emitter.CurrentType.Parent != "")
emitter.EmitCall(emitter.FindMethod(emitter.CurrentType.Parent, ".ctor"));
else
emitter.EmitCall(emitter.AssemblyImport(typeof(object).GetConstructor(new Type[] { } )));
// invoke initializer
if (emitter.MethodNameExists(emitter.CurrentType.Name, ".init"))
{
emitter.EmitLoadThis();
emitter.EmitCall(emitter.FindMethod(emitter.CurrentType.Name, ".init"));
}
}
Body.Compile(emitter);
if (!Body.AllPathsReturn)
{
if (Type.Signature == "void")
emitter.EmitReturn();
else
Error(String.Format(Resources.errNotAllPathsReturn, Name));
}
emitter.CurrentMethod = null;
}
}
/// <summary>
/// Generate action and condition (possibly) for the currently defined emitter
/// </summary>
/// <param name="emitter"></param>
private void CompileBody(Emitter.Emitter emitter)
{
// compile action
emitter.CurrentMethod = emitter.FindMethod(PlannerID, "Action", "flow[]", "symbol");
emitter.MakeMethodVirtual(emitter.CurrentMethod);
LoadClosuredVariables(Closures, emitter);
emitter.EmitLoadParameter(0);
emitter.EmitLoadParameter(1);
Action.Compile(emitter);
// append the arguments to the user
emitter.EmitReturn();
}
/// <summary>
/// Generate action and condition (possibly) for the currently defined emitter
/// </summary>
/// <param name="emitter"></param>
private void CompileBody(Emitter.Emitter emitter)
{
// compile action
emitter.CurrentMethod = emitter.FindMethod(EmitterID, "Action");
emitter.MakeMethodVirtual(emitter.CurrentMethod);
LoadClosuredVariables(ActionClosures, emitter);
Action.Compile(emitter);
if (!Action.GetExpressionType(emitter).IsAnyOf("void", ""))
emitter.EmitPop();
emitter.EmitReturn();
// compile condition, if any
if (Condition != null)
{
if (Condition.GetExpressionType(emitter) != "bool")
Error(Resources.errEmitConditionExpected);
emitter.CurrentMethod = emitter.FindMethod(EmitterID, "Condition");
emitter.MakeMethodVirtual(emitter.CurrentMethod);
LoadClosuredVariables(ConditionClosures, emitter);
Condition.Compile(emitter);
emitter.EmitReturn();
}
}