|
public static CreateFullyResolved ( System.TypeSpec types ) : |
||
| types | System.TypeSpec | |
| Résultat | ||
public PredefinedMembers (ModuleContainer module)
{
var types = module.PredefinedTypes;
var atypes = module.PredefinedAttributes;
var btypes = module.Compiler.BuiltinTypes;
var tp = new TypeParameter (0, new MemberName ("T"), null, null, Variance.None);
ActivatorCreateInstance = new PredefinedMember<MethodSpec> (module, types.Activator,
MemberFilter.Method ("CreateInstance", 1, ParametersCompiled.EmptyReadOnlyParameters, null));
AsyncTaskMethodBuilderCreate = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilder,
MemberFilter.Method ("Create", 0, ParametersCompiled.EmptyReadOnlyParameters, types.AsyncTaskMethodBuilder.TypeSpec));
AsyncTaskMethodBuilderSetResult = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilder,
MemberFilter.Method ("SetResult", 0, ParametersCompiled.EmptyReadOnlyParameters, btypes.Void));
AsyncTaskMethodBuilderSetStateMachine = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilder,
"SetStateMachine", MemberKind.Method, () => new[] {
types.IAsyncStateMachine.TypeSpec
}, btypes.Void);
AsyncTaskMethodBuilderSetException = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilder,
MemberFilter.Method ("SetException", 0,
ParametersCompiled.CreateFullyResolved (btypes.Exception), btypes.Void));
AsyncTaskMethodBuilderOnCompleted = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilder,
MemberFilter.Method ("AwaitOnCompleted", 2,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
new ParameterData (null, Parameter.Modifier.REF)
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
new TypeParameterSpec (1, tp, SpecialConstraint.None, Variance.None, null)
}, false),
btypes.Void));
AsyncTaskMethodBuilderOnCompletedUnsafe = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilder,
MemberFilter.Method ("AwaitUnsafeOnCompleted", 2,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
new ParameterData (null, Parameter.Modifier.REF)
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
new TypeParameterSpec (1, tp, SpecialConstraint.None, Variance.None, null)
}, false),
btypes.Void));
AsyncTaskMethodBuilderStart = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilder,
MemberFilter.Method ("Start", 1,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
}, false),
btypes.Void));
AsyncTaskMethodBuilderTask = new PredefinedMember<PropertySpec> (module, types.AsyncTaskMethodBuilder,
MemberFilter.Property ("Task", null));
AsyncTaskMethodBuilderGenericCreate = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilderGeneric,
MemberFilter.Method ("Create", 0, ParametersCompiled.EmptyReadOnlyParameters, types.AsyncVoidMethodBuilder.TypeSpec));
AsyncTaskMethodBuilderGenericSetResult = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilderGeneric,
"SetResult", MemberKind.Method, () => new TypeSpec[] {
types.AsyncTaskMethodBuilderGeneric.TypeSpec.MemberDefinition.TypeParameters[0]
}, btypes.Void);
AsyncTaskMethodBuilderGenericSetStateMachine = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilderGeneric,
"SetStateMachine", MemberKind.Method, () => new[] {
types.IAsyncStateMachine.TypeSpec
}, btypes.Void);
AsyncTaskMethodBuilderGenericSetException = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilderGeneric,
MemberFilter.Method ("SetException", 0,
ParametersCompiled.CreateFullyResolved (btypes.Exception), btypes.Void));
AsyncTaskMethodBuilderGenericOnCompleted = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilderGeneric,
MemberFilter.Method ("AwaitOnCompleted", 2,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
new ParameterData (null, Parameter.Modifier.REF)
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
new TypeParameterSpec (1, tp, SpecialConstraint.None, Variance.None, null)
}, false),
btypes.Void));
AsyncTaskMethodBuilderGenericOnCompletedUnsafe = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilderGeneric,
MemberFilter.Method ("AwaitUnsafeOnCompleted", 2,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
new ParameterData (null, Parameter.Modifier.REF)
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
new TypeParameterSpec (1, tp, SpecialConstraint.None, Variance.None, null)
}, false),
btypes.Void));
AsyncTaskMethodBuilderGenericStart = new PredefinedMember<MethodSpec> (module, types.AsyncTaskMethodBuilderGeneric,
MemberFilter.Method ("Start", 1,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
}, false),
btypes.Void));
AsyncTaskMethodBuilderGenericTask = new PredefinedMember<PropertySpec> (module, types.AsyncTaskMethodBuilderGeneric,
MemberFilter.Property ("Task", null));
AsyncVoidMethodBuilderCreate = new PredefinedMember<MethodSpec> (module, types.AsyncVoidMethodBuilder,
MemberFilter.Method ("Create", 0, ParametersCompiled.EmptyReadOnlyParameters, types.AsyncVoidMethodBuilder.TypeSpec));
AsyncVoidMethodBuilderSetException = new PredefinedMember<MethodSpec> (module, types.AsyncVoidMethodBuilder,
MemberFilter.Method ("SetException", 0, null, btypes.Void));
AsyncVoidMethodBuilderSetResult = new PredefinedMember<MethodSpec> (module, types.AsyncVoidMethodBuilder,
MemberFilter.Method ("SetResult", 0, ParametersCompiled.EmptyReadOnlyParameters, btypes.Void));
AsyncVoidMethodBuilderSetStateMachine = new PredefinedMember<MethodSpec> (module, types.AsyncVoidMethodBuilder,
"SetStateMachine", MemberKind.Method, () => new[] {
types.IAsyncStateMachine.TypeSpec
}, btypes.Void);
AsyncVoidMethodBuilderOnCompleted = new PredefinedMember<MethodSpec> (module, types.AsyncVoidMethodBuilder,
MemberFilter.Method ("AwaitOnCompleted", 2,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
new ParameterData (null, Parameter.Modifier.REF)
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
new TypeParameterSpec (1, tp, SpecialConstraint.None, Variance.None, null)
}, false),
btypes.Void));
AsyncVoidMethodBuilderOnCompletedUnsafe = new PredefinedMember<MethodSpec> (module, types.AsyncVoidMethodBuilder,
MemberFilter.Method ("AwaitUnsafeOnCompleted", 2,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
new ParameterData (null, Parameter.Modifier.REF)
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
new TypeParameterSpec (1, tp, SpecialConstraint.None, Variance.None, null)
}, false),
btypes.Void));
AsyncVoidMethodBuilderStart = new PredefinedMember<MethodSpec> (module, types.AsyncVoidMethodBuilder,
MemberFilter.Method ("Start", 1,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
}, false),
btypes.Void));
AsyncStateMachineAttributeCtor = new PredefinedMember<MethodSpec> (module, atypes.AsyncStateMachine,
MemberFilter.Constructor (ParametersCompiled.CreateFullyResolved (
btypes.Type)));
DebuggerBrowsableAttributeCtor = new PredefinedMember<MethodSpec> (module, atypes.DebuggerBrowsable,
MemberFilter.Constructor (null));
DecimalCtor = new PredefinedMember<MethodSpec> (module, btypes.Decimal,
MemberFilter.Constructor (ParametersCompiled.CreateFullyResolved (
btypes.Int, btypes.Int, btypes.Int, btypes.Bool, btypes.Byte)));
DecimalCtorInt = new PredefinedMember<MethodSpec> (module, btypes.Decimal,
MemberFilter.Constructor (ParametersCompiled.CreateFullyResolved (btypes.Int)));
DecimalCtorLong = new PredefinedMember<MethodSpec> (module, btypes.Decimal,
MemberFilter.Constructor (ParametersCompiled.CreateFullyResolved (btypes.Long)));
DecimalConstantAttributeCtor = new PredefinedMember<MethodSpec> (module, atypes.DecimalConstant,
MemberFilter.Constructor (ParametersCompiled.CreateFullyResolved (
btypes.Byte, btypes.Byte, btypes.UInt, btypes.UInt, btypes.UInt)));
DefaultMemberAttributeCtor = new PredefinedMember<MethodSpec> (module, atypes.DefaultMember,
MemberFilter.Constructor (ParametersCompiled.CreateFullyResolved (btypes.String)));
DelegateCombine = new PredefinedMember<MethodSpec> (module, btypes.Delegate, "Combine", btypes.Delegate, btypes.Delegate);
DelegateRemove = new PredefinedMember<MethodSpec> (module, btypes.Delegate, "Remove", btypes.Delegate, btypes.Delegate);
DelegateEqual = new PredefinedMember<MethodSpec> (module, btypes.Delegate,
new MemberFilter (Operator.GetMetadataName (Operator.OpType.Equality), 0, MemberKind.Operator, null, btypes.Bool));
DelegateInequal = new PredefinedMember<MethodSpec> (module, btypes.Delegate,
new MemberFilter (Operator.GetMetadataName (Operator.OpType.Inequality), 0, MemberKind.Operator, null, btypes.Bool));
DynamicAttributeCtor = new PredefinedMember<MethodSpec> (module, atypes.Dynamic,
MemberFilter.Constructor (ParametersCompiled.CreateFullyResolved (
ArrayContainer.MakeType (module, btypes.Bool))));
FieldInfoGetFieldFromHandle = new PredefinedMember<MethodSpec> (module, types.FieldInfo,
"GetFieldFromHandle", MemberKind.Method, types.RuntimeFieldHandle);
FieldInfoGetFieldFromHandle2 = new PredefinedMember<MethodSpec> (module, types.FieldInfo,
"GetFieldFromHandle", MemberKind.Method, types.RuntimeFieldHandle, new PredefinedType (btypes.RuntimeTypeHandle));
FixedBufferAttributeCtor = new PredefinedMember<MethodSpec> (module, atypes.FixedBuffer,
MemberFilter.Constructor (ParametersCompiled.CreateFullyResolved (btypes.Type, btypes.Int)));
IDisposableDispose = new PredefinedMember<MethodSpec> (module, btypes.IDisposable, "Dispose", TypeSpec.EmptyTypes);
IEnumerableGetEnumerator = new PredefinedMember<MethodSpec> (module, btypes.IEnumerable,
"GetEnumerator", TypeSpec.EmptyTypes);
InterlockedCompareExchange = new PredefinedMember<MethodSpec> (module, types.Interlocked,
MemberFilter.Method ("CompareExchange", 0,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
new ParameterData (null, Parameter.Modifier.NONE),
new ParameterData (null, Parameter.Modifier.NONE)
},
new[] {
btypes.Int, btypes.Int, btypes.Int
},
false),
btypes.Int));
InterlockedCompareExchange_T = new PredefinedMember<MethodSpec> (module, types.Interlocked,
MemberFilter.Method ("CompareExchange", 1,
new ParametersImported (
new[] {
new ParameterData (null, Parameter.Modifier.REF),
new ParameterData (null, Parameter.Modifier.NONE),
new ParameterData (null, Parameter.Modifier.NONE)
},
new[] {
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
new TypeParameterSpec (0, tp, SpecialConstraint.None, Variance.None, null),
}, false),
null));
MethodInfoGetMethodFromHandle = new PredefinedMember<MethodSpec> (module, types.MethodBase,
"GetMethodFromHandle", MemberKind.Method, types.RuntimeMethodHandle);
MethodInfoGetMethodFromHandle2 = new PredefinedMember<MethodSpec> (module, types.MethodBase,
"GetMethodFromHandle", MemberKind.Method, types.RuntimeMethodHandle, new PredefinedType (btypes.RuntimeTypeHandle));
MonitorEnter = new PredefinedMember<MethodSpec> (module, types.Monitor, "Enter", btypes.Object);
MonitorEnter_v4 = new PredefinedMember<MethodSpec> (module, types.Monitor,
MemberFilter.Method ("Enter", 0,
new ParametersImported (new[] {
new ParameterData (null, Parameter.Modifier.NONE),
new ParameterData (null, Parameter.Modifier.REF)
},
new[] {
btypes.Object, btypes.Bool
}, false), null));
MonitorExit = new PredefinedMember<MethodSpec> (module, types.Monitor, "Exit", btypes.Object);
RuntimeCompatibilityWrapNonExceptionThrows = new PredefinedMember<PropertySpec> (module, atypes.RuntimeCompatibility,
MemberFilter.Property ("WrapNonExceptionThrows", btypes.Bool));
RuntimeHelpersInitializeArray = new PredefinedMember<MethodSpec> (module, types.RuntimeHelpers,
"InitializeArray", btypes.Array, btypes.RuntimeFieldHandle);
RuntimeHelpersOffsetToStringData = new PredefinedMember<PropertySpec> (module, types.RuntimeHelpers,
MemberFilter.Property ("OffsetToStringData", btypes.Int));
SecurityActionRequestMinimum = new PredefinedMember<ConstSpec> (module, types.SecurityAction, "RequestMinimum",
MemberKind.Field, types.SecurityAction);
StringEmpty = new PredefinedMember<FieldSpec> (module, btypes.String, MemberFilter.Field ("Empty", btypes.String));
StringEqual = new PredefinedMember<MethodSpec> (module, btypes.String,
new MemberFilter (Operator.GetMetadataName (Operator.OpType.Equality), 0, MemberKind.Operator, null, btypes.Bool));
StringInequal = new PredefinedMember<MethodSpec> (module, btypes.String,
new MemberFilter (Operator.GetMetadataName (Operator.OpType.Inequality), 0, MemberKind.Operator, null, btypes.Bool));
StructLayoutAttributeCtor = new PredefinedMember<MethodSpec> (module, atypes.StructLayout,
MemberFilter.Constructor (ParametersCompiled.CreateFullyResolved (btypes.Short)));
StructLayoutCharSet = new PredefinedMember<FieldSpec> (module, atypes.StructLayout, "CharSet",
MemberKind.Field, types.CharSet);
StructLayoutSize = new PredefinedMember<FieldSpec> (module, atypes.StructLayout,
MemberFilter.Field ("Size", btypes.Int));
TypeGetTypeFromHandle = new PredefinedMember<MethodSpec> (module, btypes.Type, "GetTypeFromHandle", btypes.RuntimeTypeHandle);
}
protected override bool DoDefineMembers()
{
PredefinedType builder_type;
PredefinedMember <MethodSpec> bf;
PredefinedMember <MethodSpec> bs;
PredefinedMember <MethodSpec> sr;
PredefinedMember <MethodSpec> se;
PredefinedMember <MethodSpec> sm;
bool has_task_return_type = false;
var pred_members = Module.PredefinedMembers;
if (return_type.Kind == MemberKind.Void)
{
builder_type = Module.PredefinedTypes.AsyncVoidMethodBuilder;
bf = pred_members.AsyncVoidMethodBuilderCreate;
bs = pred_members.AsyncVoidMethodBuilderStart;
sr = pred_members.AsyncVoidMethodBuilderSetResult;
se = pred_members.AsyncVoidMethodBuilderSetException;
sm = pred_members.AsyncVoidMethodBuilderSetStateMachine;
}
else if (return_type == Module.PredefinedTypes.Task.TypeSpec)
{
builder_type = Module.PredefinedTypes.AsyncTaskMethodBuilder;
bf = pred_members.AsyncTaskMethodBuilderCreate;
bs = pred_members.AsyncTaskMethodBuilderStart;
sr = pred_members.AsyncTaskMethodBuilderSetResult;
se = pred_members.AsyncTaskMethodBuilderSetException;
sm = pred_members.AsyncTaskMethodBuilderSetStateMachine;
task = pred_members.AsyncTaskMethodBuilderTask.Get();
}
else
{
builder_type = Module.PredefinedTypes.AsyncTaskMethodBuilderGeneric;
bf = pred_members.AsyncTaskMethodBuilderGenericCreate;
bs = pred_members.AsyncTaskMethodBuilderGenericStart;
sr = pred_members.AsyncTaskMethodBuilderGenericSetResult;
se = pred_members.AsyncTaskMethodBuilderGenericSetException;
sm = pred_members.AsyncTaskMethodBuilderGenericSetStateMachine;
task = pred_members.AsyncTaskMethodBuilderGenericTask.Get();
has_task_return_type = true;
}
set_result = sr.Get();
set_exception = se.Get();
builder_factory = bf.Get();
builder_start = bs.Get();
var istate_machine = Module.PredefinedTypes.IAsyncStateMachine;
var set_statemachine = sm.Get();
if (!builder_type.Define() || !istate_machine.Define() || set_result == null || builder_factory == null ||
set_exception == null || set_statemachine == null || builder_start == null ||
!Module.PredefinedTypes.INotifyCompletion.Define())
{
Report.Error(1993, Location,
"Cannot find compiler required types for asynchronous functions support. Are you targeting the wrong framework version?");
return(base.DoDefineMembers());
}
var bt = builder_type.TypeSpec;
//
// Inflate generic Task types
//
if (has_task_return_type)
{
var task_return_type = return_type.TypeArguments;
if (mutator != null)
{
task_return_type = mutator.Mutate(task_return_type);
}
bt = bt.MakeGenericType(Module, task_return_type);
set_result = MemberCache.GetMember(bt, set_result);
set_exception = MemberCache.GetMember(bt, set_exception);
set_statemachine = MemberCache.GetMember(bt, set_statemachine);
if (task != null)
{
task = MemberCache.GetMember(bt, task);
}
}
builder = AddCompilerGeneratedField("$builder", new TypeExpression(bt, Location));
var set_state_machine = new Method(this, new TypeExpression(Compiler.BuiltinTypes.Void, Location),
Modifiers.COMPILER_GENERATED | Modifiers.DEBUGGER_HIDDEN | Modifiers.PUBLIC,
new MemberName("SetStateMachine"),
ParametersCompiled.CreateFullyResolved(
new Parameter(new TypeExpression(istate_machine.TypeSpec, Location), "stateMachine", Parameter.Modifier.NONE, null, Location),
istate_machine.TypeSpec),
null);
ToplevelBlock block = new ToplevelBlock(Compiler, set_state_machine.ParameterInfo, Location);
block.IsCompilerGenerated = true;
set_state_machine.Block = block;
Members.Add(set_state_machine);
if (!base.DoDefineMembers())
{
return(false);
}
//
// Fabricates SetStateMachine method
//
// public void SetStateMachine (IAsyncStateMachine stateMachine)
// {
// $builder.SetStateMachine (stateMachine);
// }
//
var mg = MethodGroupExpr.CreatePredefined(set_statemachine, bt, Location);
mg.InstanceExpression = new FieldExpr(builder, Location);
var param_reference = block.GetParameterReference(0, Location);
param_reference.Type = istate_machine.TypeSpec;
param_reference.eclass = ExprClass.Variable;
var args = new Arguments(1);
args.Add(new Argument(param_reference));
set_state_machine.Block.AddStatement(new StatementExpression(new Invocation(mg, args)));
if (has_task_return_type)
{
hoisted_return = LocalVariable.CreateCompilerGenerated(bt.TypeArguments[0], StateMachineMethod.Block, Location);
}
return(true);
}
protected override bool DoDefineMembers()
{
var builtin_types = Compiler.BuiltinTypes;
var ctor_parameters = ParametersCompiled.CreateFullyResolved(
new [] {
new Parameter(new TypeExpression(builtin_types.Object, Location), "object", Parameter.Modifier.NONE, null, Location),
new Parameter(new TypeExpression(builtin_types.IntPtr, Location), "method", Parameter.Modifier.NONE, null, Location)
},
new [] {
builtin_types.Object,
builtin_types.IntPtr
}
);
Constructor = new Constructor(this, Constructor.ConstructorName,
Modifiers.PUBLIC, null, ctor_parameters, null, Location);
Constructor.Define();
//
// Here the various methods like Invoke, BeginInvoke etc are defined
//
// First, call the `out of band' special method for
// defining recursively any types we need:
//
var p = parameters;
if (!p.Resolve(this))
{
return(false);
}
//
// Invoke method
//
// Check accessibility
foreach (var partype in p.Types)
{
if (!IsAccessibleAs(partype))
{
Report.SymbolRelatedToPreviousError(partype);
Report.Error(59, Location,
"Inconsistent accessibility: parameter type `{0}' is less accessible than delegate `{1}'",
TypeManager.CSharpName(partype), GetSignatureForError());
}
}
var ret_type = ReturnType.ResolveAsType(this);
if (ret_type == null)
{
return(false);
}
//
// We don't have to check any others because they are all
// guaranteed to be accessible - they are standard types.
//
if (!IsAccessibleAs(ret_type))
{
Report.SymbolRelatedToPreviousError(ret_type);
Report.Error(58, Location,
"Inconsistent accessibility: return type `" +
TypeManager.CSharpName(ret_type) + "' is less " +
"accessible than delegate `" + GetSignatureForError() + "'");
return(false);
}
CheckProtectedModifier();
if (Compiler.Settings.StdLib && ret_type.IsSpecialRuntimeType)
{
Method.Error1599(Location, ret_type, Report);
return(false);
}
TypeManager.CheckTypeVariance(ret_type, Variance.Covariant, this);
var resolved_rt = new TypeExpression(ret_type, Location);
InvokeBuilder = new Method(this, null, resolved_rt, MethodModifiers, new MemberName(InvokeMethodName), p, null);
InvokeBuilder.Define();
//
// Don't emit async method for compiler generated delegates (e.g. dynamic site containers)
//
if (!IsCompilerGenerated)
{
DefineAsyncMethods(Parameters.CallingConvention, resolved_rt);
}
return(true);
}
public override bool Resolve(BlockContext bc)
{
if (!base.Resolve(bc))
{
return(false);
}
type = expr.Type;
//
// The task result is of dynamic type
//
if (expr.Type.BuiltinType == BuiltinTypeSpec.Type.Dynamic)
{
throw new NotImplementedException("dynamic await");
}
//
// Check whether the expression is awaitable
//
Expression ama = new AwaitableMemberAccess(expr).Resolve(bc);
if (ama == null)
{
return(false);
}
Arguments args = new Arguments(0);
var errors_printer = new SessionReportPrinter();
var old = bc.Report.SetPrinter(errors_printer);
ama = new Invocation(ama, args).Resolve(bc);
if (errors_printer.ErrorsCount > 0 || !MemberAccess.IsValidDotExpression(ama.Type))
{
bc.Report.SetPrinter(old);
Error_WrongGetAwaiter(bc, loc, expr.Type);
return(false);
}
var awaiter_type = ama.Type;
awaiter = ((AsyncTaskStorey)machine_initializer.Storey).AddAwaiter(awaiter_type, loc);
expr = ama;
//
// Predefined: bool IsCompleted { get; }
//
var is_completed_ma = new MemberAccess(expr, "IsCompleted").Resolve(bc);
if (is_completed_ma != null)
{
is_completed = is_completed_ma as PropertyExpr;
if (is_completed != null && is_completed.Type.BuiltinType == BuiltinTypeSpec.Type.Bool && is_completed.IsInstance && is_completed.Getter != null)
{
// valid
}
else
{
bc.Report.SetPrinter(old);
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
}
bc.Report.SetPrinter(old);
if (errors_printer.ErrorsCount > 0)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
//
// Predefined: OnCompleted (Action)
//
if (bc.Module.PredefinedTypes.Action.Define())
{
on_completed = MemberCache.FindMember(awaiter_type, MemberFilter.Method("OnCompleted", 0,
ParametersCompiled.CreateFullyResolved(bc.Module.PredefinedTypes.Action.TypeSpec), bc.Module.Compiler.BuiltinTypes.Void),
BindingRestriction.InstanceOnly) as MethodSpec;
if (on_completed == null)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
}
//
// Predefined: GetResult ()
//
// The method return type is also result type of await expression
//
get_result = MemberCache.FindMember(awaiter_type, MemberFilter.Method("GetResult", 0,
ParametersCompiled.EmptyReadOnlyParameters, null),
BindingRestriction.InstanceOnly) as MethodSpec;
if (get_result == null)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
return(true);
}
//
// Fabricates stack forwarder based on stack types which copies all
// parameters to type fields
//
public MethodSpec GetStackForwarder(TypeSpec[] types, out FieldSpec[] fields)
{
if (stack_forwarders == null)
{
stack_forwarders = new Dictionary <TypeSpec[], Tuple <MethodSpec, FieldSpec[]> > (TypeSpecComparer.Default);
}
else
{
//
// Does same forwarder method with same types already exist
//
Tuple <MethodSpec, FieldSpec[]> method;
if (stack_forwarders.TryGetValue(types, out method))
{
fields = method.Item2;
return(method.Item1);
}
}
Parameter[] p = new Parameter[types.Length + 1];
TypeSpec[] ptypes = new TypeSpec[p.Length];
fields = new FieldSpec[types.Length];
for (int i = 0; i < types.Length; ++i)
{
var t = types[i];
TypeSpec parameter_type = t;
if (parameter_type == InternalType.CurrentTypeOnStack)
{
parameter_type = CurrentType;
}
p[i] = new Parameter(new TypeExpression(parameter_type, Location), null, 0, null, Location);
ptypes[i] = parameter_type;
if (t == InternalType.CurrentTypeOnStack)
{
// Null means the type is `this' we can optimize by ignoring
continue;
}
var reference = t as ReferenceContainer;
if (reference != null)
{
t = reference.Element;
}
fields[i] = CreateStackValueField(t);
}
var this_parameter = new Parameter(new TypeExpression(CurrentType, Location), null, 0, null, Location);
p[types.Length] = this_parameter;
ptypes[types.Length] = CurrentType;
var parameters = ParametersCompiled.CreateFullyResolved(p, ptypes);
var m = new Method(this, null, new TypeExpression(Compiler.BuiltinTypes.Void, Location),
Modifiers.STATIC | Modifiers.PRIVATE | Modifiers.COMPILER_GENERATED | Modifiers.DEBUGGER_HIDDEN,
new MemberName("<>s__" + stack_forwarders.Count.ToString("X")), parameters, null);
m.Block = new ToplevelBlock(Compiler, parameters, Location);
m.Block.AddScopeStatement(new ParametersLoadStatement(fields, ptypes));
m.Define();
Methods.Add(m);
stack_forwarders.Add(types, Tuple.Create(m.Spec, fields));
return(m.Spec);
}
public override bool Resolve(BlockContext bc)
{
if (!base.Resolve(bc))
{
return(false);
}
Arguments args = new Arguments(0);
type = expr.Type;
//
// The await expression is of dynamic type
//
if (type.BuiltinType == BuiltinTypeSpec.Type.Dynamic)
{
result_type = type;
awaiter = ((AsyncTaskStorey)machine_initializer.Storey).AddAwaiter(type, loc);
expr = new Invocation(new MemberAccess(expr, "GetAwaiter"), args).Resolve(bc);
return(true);
}
//
// Check whether the expression is awaitable
//
Expression ama = new AwaitableMemberAccess(expr).Resolve(bc);
if (ama == null)
{
return(false);
}
var errors_printer = new SessionReportPrinter();
var old = bc.Report.SetPrinter(errors_printer);
ama = new Invocation(ama, args).Resolve(bc);
bc.Report.SetPrinter(old);
if (errors_printer.ErrorsCount > 0 || !MemberAccess.IsValidDotExpression(ama.Type))
{
bc.Report.Error(1986, expr.Location,
"The `await' operand type `{0}' must have suitable GetAwaiter method",
expr.Type.GetSignatureForError());
return(false);
}
var awaiter_type = ama.Type;
awaiter = ((AsyncTaskStorey)machine_initializer.Storey).AddAwaiter(awaiter_type, loc);
expr = ama;
//
// Predefined: bool IsCompleted { get; }
//
is_completed = MemberCache.FindMember(awaiter_type, MemberFilter.Property("IsCompleted", bc.Module.Compiler.BuiltinTypes.Bool),
BindingRestriction.InstanceOnly) as PropertySpec;
if (is_completed == null || !is_completed.HasGet)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
//
// Predefined: OnCompleted (Action)
//
if (bc.Module.PredefinedTypes.Action.Define())
{
on_completed = MemberCache.FindMember(awaiter_type, MemberFilter.Method("OnCompleted", 0,
ParametersCompiled.CreateFullyResolved(bc.Module.PredefinedTypes.Action.TypeSpec), bc.Module.Compiler.BuiltinTypes.Void),
BindingRestriction.InstanceOnly) as MethodSpec;
if (on_completed == null)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
}
//
// Predefined: GetResult ()
//
// The method return type is also result type of await expression
//
get_result = MemberCache.FindMember(awaiter_type, MemberFilter.Method("GetResult", 0,
ParametersCompiled.EmptyReadOnlyParameters, null),
BindingRestriction.InstanceOnly) as MethodSpec;
if (get_result == null)
{
Error_WrongAwaiterPattern(bc, awaiter_type);
return(false);
}
result_type = get_result.ReturnType;
return(true);
}
Method GenerateNumberMatcher()
{
var loc = Location;
var parameters = ParametersCompiled.CreateFullyResolved(
new [] {
new Parameter(new TypeExpression(Compiler.BuiltinTypes.Object, loc), "obj", 0, null, loc),
new Parameter(new TypeExpression(Compiler.BuiltinTypes.Object, loc), "value", 0, null, loc),
new Parameter(new TypeExpression(Compiler.BuiltinTypes.Bool, loc), "enumType", 0, null, loc),
},
new [] {
Compiler.BuiltinTypes.Object,
Compiler.BuiltinTypes.Object,
Compiler.BuiltinTypes.Bool
});
var m = new Method(this, new TypeExpression(Compiler.BuiltinTypes.Bool, loc),
Modifiers.PUBLIC | Modifiers.STATIC | Modifiers.DEBUGGER_HIDDEN, new MemberName("NumberMatcher", loc),
parameters, null);
parameters [0].Resolve(m, 0);
parameters [1].Resolve(m, 1);
parameters [2].Resolve(m, 2);
ToplevelBlock top_block = new ToplevelBlock(Compiler, parameters, loc);
m.Block = top_block;
//
// if (enumType)
// return Equals (obj, value);
//
var equals_args = new Arguments(2);
equals_args.Add(new Argument(top_block.GetParameterReference(0, loc)));
equals_args.Add(new Argument(top_block.GetParameterReference(1, loc)));
var if_type = new If(
top_block.GetParameterReference(2, loc),
new Return(new Invocation(new SimpleName("Equals", loc), equals_args), loc),
loc);
top_block.AddStatement(if_type);
//
// if (obj is Enum || obj == null)
// return false;
//
var if_enum = new If(
new Binary(Binary.Operator.LogicalOr,
new Is(top_block.GetParameterReference(0, loc), new TypeExpression(Compiler.BuiltinTypes.Enum, loc), loc),
new Binary(Binary.Operator.Equality, top_block.GetParameterReference(0, loc), new NullLiteral(loc))),
new Return(new BoolLiteral(Compiler.BuiltinTypes, false, loc), loc),
loc);
top_block.AddStatement(if_enum);
var system_convert = new MemberAccess(new QualifiedAliasMember("global", "System", loc), "Convert", loc);
var expl_block = new ExplicitBlock(top_block, loc, loc);
//
// var converted = System.Convert.ChangeType (obj, System.Convert.GetTypeCode (value));
//
var lv_converted = LocalVariable.CreateCompilerGenerated(Compiler.BuiltinTypes.Object, top_block, loc);
var arguments_gettypecode = new Arguments(1);
arguments_gettypecode.Add(new Argument(top_block.GetParameterReference(1, loc)));
var gettypecode = new Invocation(new MemberAccess(system_convert, "GetTypeCode", loc), arguments_gettypecode);
var arguments_changetype = new Arguments(1);
arguments_changetype.Add(new Argument(top_block.GetParameterReference(0, loc)));
arguments_changetype.Add(new Argument(gettypecode));
var changetype = new Invocation(new MemberAccess(system_convert, "ChangeType", loc), arguments_changetype);
expl_block.AddStatement(new StatementExpression(new SimpleAssign(new LocalVariableReference(lv_converted, loc), changetype, loc)));
//
// return converted.Equals (value)
//
var equals_arguments = new Arguments(1);
equals_arguments.Add(new Argument(top_block.GetParameterReference(1, loc)));
var equals_invocation = new Invocation(new MemberAccess(new LocalVariableReference(lv_converted, loc), "Equals"), equals_arguments);
expl_block.AddStatement(new Return(equals_invocation, loc));
var catch_block = new ExplicitBlock(top_block, loc, loc);
catch_block.AddStatement(new Return(new BoolLiteral(Compiler.BuiltinTypes, false, loc), loc));
top_block.AddStatement(new TryCatch(expl_block, new List <Catch> ()
{
new Catch(catch_block, loc)
}, loc, false));
m.Define();
m.PrepareEmit();
AddMember(m);
return(m);
}
public T Get()
{
if (member != null)
{
return(member);
}
if (declaring_type == null)
{
if (!declaring_type_predefined.Define())
{
return(null);
}
declaring_type = declaring_type_predefined.TypeSpec;
}
if (parameters_predefined != null)
{
TypeSpec[] types = new TypeSpec [parameters_predefined.Length];
for (int i = 0; i < types.Length; ++i)
{
var p = parameters_predefined [i];
if (!p.Define())
{
return(null);
}
types[i] = p.TypeSpec;
}
if (filter.Kind == MemberKind.Field)
{
filter = new MemberFilter(filter.Name, filter.Arity, filter.Kind, null, types [0]);
}
else
{
filter = new MemberFilter(filter.Name, filter.Arity, filter.Kind, ParametersCompiled.CreateFullyResolved(types), filter.MemberType);
}
}
member = MemberCache.FindMember(declaring_type, filter, BindingRestriction.DeclaredOnly) as T;
if (member == null)
{
return(null);
}
if (!member.IsAccessible(module))
{
return(null);
}
return(member);
}
public PredefinedMember(ModuleContainer module, BuiltinTypeSpec type, string name, params TypeSpec[] types)
: this(module, type, MemberFilter.Method(name, 0, ParametersCompiled.CreateFullyResolved(types), null))
{
}
//
// Returns the method specification for a method named `name' defined
// in type `t' which takes arguments of types `args'
//
public static MethodSpec GetPredefinedMethod(TypeSpec t, string name, Location loc, params TypeSpec [] args)
{
var pc = ParametersCompiled.CreateFullyResolved(args);
return(GetPredefinedMethod(t, MemberFilter.Method(name, 0, pc, null), false, loc));
}
//
// Returns the ConstructorInfo for "args"
//
public static MethodSpec GetPredefinedConstructor(TypeSpec t, Location loc, params TypeSpec [] args)
{
var pc = ParametersCompiled.CreateFullyResolved(args);
return(GetPredefinedMember(t, MemberFilter.Constructor(pc), false, loc) as MethodSpec);
}
//
// Processes "see" or "seealso" elements.
// Checks cref attribute.
//
void HandleXrefCommon(MemberCore mc, DeclSpace ds, XmlElement xref)
{
string cref = xref.GetAttribute("cref").Trim(wsChars);
// when, XmlReader, "if (cref == null)"
if (!xref.HasAttribute("cref"))
{
return;
}
if (cref.Length == 0)
{
Report.Warning(1001, 1, mc.Location, "Identifier expected");
}
// ... and continue until CS1584.
string signature; // "x:" are stripped
string name; // method invokation "(...)" are removed
string parameters; // method parameter list
// When it found '?:' ('T:' 'M:' 'F:' 'P:' 'E:' etc.),
// MS ignores not only its member kind, but also
// the entire syntax correctness. Nor it also does
// type fullname resolution i.e. "T:List(int)" is kept
// as T:List(int), not
// T:System.Collections.Generic.List<System.Int32>
if (cref.Length > 2 && cref [1] == ':')
{
return;
}
else
{
signature = cref;
}
// Also note that without "T:" any generic type
// indication fails.
int parens_pos = signature.IndexOf('(');
int brace_pos = parens_pos >= 0 ? -1 :
signature.IndexOf('[');
if (parens_pos > 0 && signature [signature.Length - 1] == ')')
{
name = signature.Substring(0, parens_pos).Trim(wsChars);
parameters = signature.Substring(parens_pos + 1, signature.Length - parens_pos - 2).Trim(wsChars);
}
else if (brace_pos > 0 && signature [signature.Length - 1] == ']')
{
name = signature.Substring(0, brace_pos).Trim(wsChars);
parameters = signature.Substring(brace_pos + 1, signature.Length - brace_pos - 2).Trim(wsChars);
}
else
{
name = signature;
parameters = null;
}
Normalize(mc, ref name);
string identifier = GetBodyIdentifierFromName(name);
// Check if identifier is valid.
// This check is not necessary to mark as error, but
// csc specially reports CS1584 for wrong identifiers.
string [] name_elems = identifier.Split('.');
for (int i = 0; i < name_elems.Length; i++)
{
string nameElem = GetBodyIdentifierFromName(name_elems [i]);
if (i > 0)
{
Normalize(mc, ref nameElem);
}
if (!Tokenizer.IsValidIdentifier(nameElem) &&
nameElem.IndexOf("operator") < 0)
{
Report.Warning(1584, 1, mc.Location, "XML comment on `{0}' has syntactically incorrect cref attribute `{1}'",
mc.GetSignatureForError(), cref);
xref.SetAttribute("cref", "!:" + signature);
return;
}
}
// check if parameters are valid
AParametersCollection parameter_types;
if (parameters == null)
{
parameter_types = null;
}
else if (parameters.Length == 0)
{
parameter_types = ParametersCompiled.EmptyReadOnlyParameters;
}
else
{
string [] param_list = parameters.Split(',');
var plist = new List <TypeSpec> ();
for (int i = 0; i < param_list.Length; i++)
{
string param_type_name = param_list [i].Trim(wsChars);
Normalize(mc, ref param_type_name);
TypeSpec param_type = FindDocumentedType(mc, param_type_name, ds, cref);
if (param_type == null)
{
Report.Warning(1580, 1, mc.Location, "Invalid type for parameter `{0}' in XML comment cref attribute `{1}'",
(i + 1).ToString(), cref);
return;
}
plist.Add(param_type);
}
parameter_types = ParametersCompiled.CreateFullyResolved(plist.ToArray());
}
TypeSpec type = FindDocumentedType(mc, name, ds, cref);
if (type != null
// delegate must not be referenced with args
&& (!type.IsDelegate ||
parameter_types == null))
{
string result = GetSignatureForDoc(type)
+ (brace_pos < 0 ? String.Empty : signature.Substring(brace_pos));
xref.SetAttribute("cref", "T:" + result);
return; // a type
}
int period = name.LastIndexOf('.');
if (period > 0)
{
string typeName = name.Substring(0, period);
string member_name = name.Substring(period + 1);
string lookup_name = member_name == "this" ? MemberCache.IndexerNameAlias : member_name;
Normalize(mc, ref lookup_name);
Normalize(mc, ref member_name);
type = FindDocumentedType(mc, typeName, ds, cref);
int warn_result;
if (type != null)
{
var mi = FindDocumentedMember(mc, type, lookup_name, parameter_types, ds, out warn_result, cref, true, name);
if (warn_result > 0)
{
return;
}
if (mi != null)
{
// we cannot use 'type' directly
// to get its name, since mi
// could be from DeclaringType
// for nested types.
xref.SetAttribute("cref", GetMemberDocHead(mi) + GetSignatureForDoc(mi.DeclaringType) + "." + member_name + GetParametersFormatted(mi));
return; // a member of a type
}
}
}
else
{
int warn_result;
var mi = FindDocumentedMember(mc, ds.PartialContainer.Definition, name, parameter_types, ds, out warn_result, cref, true, name);
if (warn_result > 0)
{
return;
}
if (mi != null)
{
// we cannot use 'type' directly
// to get its name, since mi
// could be from DeclaringType
// for nested types.
xref.SetAttribute("cref", GetMemberDocHead(mi) + GetSignatureForDoc(mi.DeclaringType) + "." + name + GetParametersFormatted(mi));
return; // local member name
}
}
// It still might be part of namespace name.
Namespace ns = ds.NamespaceEntry.NS.GetNamespace(name, false);
if (ns != null)
{
xref.SetAttribute("cref", "N:" + ns.GetSignatureForError());
return; // a namespace
}
if (mc.Module.GlobalRootNamespace.IsNamespace(name))
{
xref.SetAttribute("cref", "N:" + name);
return; // a namespace
}
Report.Warning(1574, 1, mc.Location, "XML comment on `{0}' has cref attribute `{1}' that could not be resolved",
mc.GetSignatureForError(), cref);
xref.SetAttribute("cref", "!:" + name);
}