private MSA.Expression /*!*/ TransformBody(AstGenerator /*!*/ gen, MSA.Expression /*!*/ methodDefinitionVariable)
{
string encodedName = gen.EncodeMethodName(_name, Location);
ScopeBuilder scope = new ScopeBuilder();
MSA.Expression parentScope = gen.CurrentScopeVariable;
MSA.ParameterExpression[] parameters = DefineParameters(gen, scope);
MSA.Expression currentMethodVariable = scope.DefineHiddenVariable("#method", typeof(RubyMethodInfo));
MSA.Expression rfcVariable = scope.DefineHiddenVariable("#rfc", typeof(RuntimeFlowControl));
MSA.Expression scopeVariable = scope.DefineHiddenVariable("#scope", typeof(RubyMethodScope));
MSA.Expression selfParameter = parameters[0];
MSA.Expression blockParameter = parameters[1];
gen.EnterMethodDefinition(
scope,
selfParameter,
scopeVariable,
blockParameter,
rfcVariable,
currentMethodVariable,
_name,
_parameters
);
DefinedScope.TransformLocals(scope);
MSA.ParameterExpression unwinder = scope.DefineHiddenVariable("#unwinder", typeof(MethodUnwinder));
MSA.Expression body = AstFactory.MakeUserMethodBody(
gen, Location.End.Line,
blockParameter,
rfcVariable,
unwinder,
Ast.Block(
Ast.Assign(currentMethodVariable, methodDefinitionVariable),
Ast.Assign(scopeVariable, Methods.CreateMethodScope.OpCall(
scope.VisibleVariables(), parentScope, currentMethodVariable, rfcVariable, selfParameter, blockParameter)
),
_parameters.TransformOptionalsInitialization(gen),
gen.TraceEnabled ? Methods.TraceMethodCall.OpCall(scopeVariable, Ast.Convert(Ast.Constant(gen.SourceUnit.Path), typeof(string)), Ast.Constant(Location.Start.Line)) : Ast.Empty(),
Body.TransformResult(gen, ResultOperation.Return),
Ast.Empty()
),
ResultOperation.Return,
(gen.Profiler != null) ? gen.Profiler.GetTickIndex(encodedName) : -1,
(gen.Profiler != null) ? scope.DefineHiddenVariable("#stamp", typeof(long)) : null,
gen.ReturnLabel
);
body = gen.AddReturnTarget(scope.CreateScope(body));
gen.LeaveMethodDefinition();
return(CreateLambda(
encodedName,
parameters,
body
));
}