| private InsertMethodName ( string methodName ) : void | ||
| methodName | string | |
| return | void | |
internal override void BuildMethodMissingCallNoFlow(MetaObjectBuilder/*!*/ metaBuilder, CallArguments/*!*/ args, string/*!*/ name) {
var globalScope = args.TargetClass.GlobalScope;
var context = globalScope.Context;
if (name.LastCharacter() == '=') {
var normalizedArgs = RubyOverloadResolver.NormalizeArguments(metaBuilder, args, 1, 1);
if (!metaBuilder.Error) {
var scopeVar = metaBuilder.GetTemporary(typeof(Scope), "#scope");
metaBuilder.AddInitialization(
Ast.Assign(scopeVar, Methods.GetGlobalScopeFromScope.OpCall(AstUtils.Convert(args.MetaScope.Expression, typeof(RubyScope))))
);
var interopSetter = context.MetaBinderFactory.InteropSetMember(name.Substring(0, name.Length - 1));
metaBuilder.SetMetaResult(
interopSetter.Bind(
new DynamicMetaObject(
scopeVar,
BindingRestrictions.Empty,
globalScope.Scope
),
new[] { normalizedArgs[0] }
),
true
);
}
} else {
RubyOverloadResolver.NormalizeArguments(metaBuilder, args, 0, 0);
Expression errorExpr = metaBuilder.Error ? Ast.Throw(metaBuilder.Result, typeof(object)) : null;
var scopeVar = metaBuilder.GetTemporary(typeof(Scope), "#scope");
var scopeLookupResultVar = metaBuilder.GetTemporary(typeof(object), "#result");
metaBuilder.AddInitialization(
Ast.Assign(scopeVar, Methods.GetGlobalScopeFromScope.OpCall(AstUtils.Convert(args.MetaScope.Expression, typeof(RubyScope))))
);
Expression scopeLookupResultExpr = errorExpr ?? scopeLookupResultVar;
Expression fallbackExp;
if (name == "scope") {
fallbackExp = errorExpr ?? args.TargetExpression;
} else {
// super(methodName, ...args...) - ignore argument error:
args.InsertMethodName(name);
fallbackExp = AstUtils.LightDynamic(
context.MetaBinderFactory.Call(Symbols.MethodMissing,
new RubyCallSignature(
args.Signature.ArgumentCount + 1,
args.Signature.Flags | RubyCallFlags.HasImplicitSelf | RubyCallFlags.IsSuperCall
)
),
typeof(object),
args.GetCallSiteArguments(args.TargetExpression)
);
}
var scopeLookup = Ast.NotEqual(
Ast.Assign(scopeLookupResultVar, AstUtils.LightDynamic(RubyMetaBinderFactory.InteropTryGetMemberExact(name), typeof(object), scopeVar)),
Expression.Constant(OperationFailed.Value)
);
string unmanagled = RubyUtils.TryUnmangleMethodName(name);
if (unmanagled != null) {
scopeLookup = Ast.OrElse(
scopeLookup,
Ast.NotEqual(
Ast.Assign(scopeLookupResultVar, AstUtils.LightDynamic(RubyMetaBinderFactory.InteropTryGetMemberExact(unmanagled), typeof(object), scopeVar)),
Expression.Constant(OperationFailed.Value)
)
);
}
metaBuilder.Result = Ast.Condition(
scopeLookup,
scopeLookupResultExpr,
fallbackExp
);
}
}
internal override void BuildInvoke(MetaObjectBuilder/*!*/ metaBuilder, CallArguments/*!*/ args) {
args.InsertMethodName(_methodNameArg);
base.BuildInvoke(metaBuilder, args);
}
internal override void BuildMethodMissingCallNoFlow(MetaObjectBuilder /*!*/ metaBuilder, CallArguments /*!*/ args, string /*!*/ name)
{
var globalScope = args.TargetClass.GlobalScope;
var context = globalScope.Context;
if (name.LastCharacter() == '=')
{
var normalizedArgs = RubyOverloadResolver.NormalizeArguments(metaBuilder, args, 1, 1);
if (!metaBuilder.Error)
{
var scopeVar = metaBuilder.GetTemporary(typeof(Scope), "#scope");
metaBuilder.AddInitialization(
Ast.Assign(scopeVar, Methods.GetGlobalScopeFromScope.OpCall(AstUtils.Convert(args.MetaScope.Expression, typeof(RubyScope))))
);
var interopSetter = context.MetaBinderFactory.InteropSetMember(name.Substring(0, name.Length - 1));
metaBuilder.SetMetaResult(
interopSetter.Bind(
new DynamicMetaObject(
scopeVar,
BindingRestrictions.Empty,
globalScope.Scope
),
new[] { normalizedArgs[0] }
),
true
);
}
}
else
{
RubyOverloadResolver.NormalizeArguments(metaBuilder, args, 0, 0);
Expression errorExpr = metaBuilder.Error ? Ast.Throw(metaBuilder.Result, typeof(object)) : null;
var scopeVar = metaBuilder.GetTemporary(typeof(Scope), "#scope");
var scopeLookupResultVar = metaBuilder.GetTemporary(typeof(object), "#result");
metaBuilder.AddInitialization(
Ast.Assign(scopeVar, Methods.GetGlobalScopeFromScope.OpCall(AstUtils.Convert(args.MetaScope.Expression, typeof(RubyScope))))
);
Expression scopeLookupResultExpr = errorExpr ?? scopeLookupResultVar;
Expression fallbackExp;
if (name == "scope")
{
fallbackExp = errorExpr ?? args.TargetExpression;
}
else
{
// super(methodName, ...args...) - ignore argument error:
args.InsertMethodName(name);
fallbackExp = AstUtils.LightDynamic(
context.MetaBinderFactory.Call(Symbols.MethodMissing,
new RubyCallSignature(
args.Signature.ArgumentCount + 1,
args.Signature.Flags | RubyCallFlags.HasImplicitSelf | RubyCallFlags.IsSuperCall
)
),
typeof(object),
args.GetCallSiteArguments(args.TargetExpression)
);
}
var scopeLookup = Ast.NotEqual(
Ast.Assign(scopeLookupResultVar, AstUtils.LightDynamic(context.MetaBinderFactory.InteropTryGetMemberExact(name), typeof(object), scopeVar)),
Expression.Constant(OperationFailed.Value)
);
string unmanagled = RubyUtils.TryUnmangleMethodName(name);
if (unmanagled != null)
{
scopeLookup = Ast.OrElse(
scopeLookup,
Ast.NotEqual(
Ast.Assign(scopeLookupResultVar, AstUtils.LightDynamic(context.MetaBinderFactory.InteropTryGetMemberExact(unmanagled), typeof(object), scopeVar)),
Expression.Constant(OperationFailed.Value)
)
);
}
metaBuilder.Result = Ast.Condition(
scopeLookup,
scopeLookupResultExpr,
fallbackExp
);
}
}
internal virtual void BuildMethodMissingCallNoFlow(MetaObjectBuilder/*!*/ metaBuilder, CallArguments/*!*/ args, string/*!*/ name)
{
args.InsertMethodName(name);
BuildCallNoFlow(metaBuilder, args, Symbols.MethodMissing);
}
internal virtual void BuildMethodMissingCallNoFlow(MetaObjectBuilder /*!*/ metaBuilder, CallArguments /*!*/ args, string /*!*/ name)
{
args.InsertMethodName(name);
BuildCallNoFlow(metaBuilder, args, Symbols.MethodMissing);
}
internal static bool BindToMethodMissing(MetaObjectBuilder/*!*/ metaBuilder, CallArguments/*!*/ args, string/*!*/ methodName,
RubyMemberInfo methodMissing, RubyMethodVisibility incompatibleVisibility, bool isSuperCall, bool defaultFallback) {
// Assumption: args already contain method name.
// TODO: better check for builtin method
if (methodMissing == null ||
methodMissing.DeclaringModule == methodMissing.Context.KernelModule && methodMissing is RubyLibraryMethodInfo) {
if (isSuperCall) {
metaBuilder.SetError(Methods.MakeMissingSuperException.OpCall(AstUtils.Constant(methodName)));
} else if (incompatibleVisibility == RubyMethodVisibility.Private) {
metaBuilder.SetError(Methods.MakePrivateMethodCalledError.OpCall(
AstUtils.Convert(args.MetaContext.Expression, typeof(RubyContext)), args.TargetExpression, AstUtils.Constant(methodName))
);
} else if (incompatibleVisibility == RubyMethodVisibility.Protected) {
metaBuilder.SetError(Methods.MakeProtectedMethodCalledError.OpCall(
AstUtils.Convert(args.MetaContext.Expression, typeof(RubyContext)), args.TargetExpression, AstUtils.Constant(methodName))
);
} else if (defaultFallback) {
args.InsertMethodName(methodName);
methodMissing.BuildCall(metaBuilder, args, methodName);
} else {
return false;
}
} else {
args.InsertMethodName(methodName);
methodMissing.BuildCall(metaBuilder, args, methodName);
}
return true;
}
