Golang TypeGraph.AwaitableTypeReference方法代码示例

//.........这里部分代码省略.........
		decorator.CreateReturnable(member.Node(), returnType)

		// Constructors have custom signature types that return 'any' to allow them to match
		// interfaces.
		var signatureType = graph.FunctionTypeReference(graph.AnyTypeReference())
		signatureType, _ = stc.addSRGParameterTypes(member, signatureType, graph, reporter)
		decorator.SignatureType(signatureType)

	case srg.OperatorMember:
		memberKind = typegraph.OperatorMemberSignature

		// Operators are read-only.
		isReadOnly = true

		// Operators have type function<DeclaredType>(parameters).
		returnType, _ := stc.resolvePossibleType(member.Node(), member.DeclaredType, graph, reporter)
		functionType := graph.NewTypeReference(graph.FunctionType(), returnType)
		memberType, _ = stc.addSRGParameterTypes(member, functionType, graph, reporter)

		// Make sure instance members under interfaces do not have bodies (and static members do).
		if parent.IsType() {
			parentType := parent.AsType()
			if parentType.TypeKind() == typegraph.ImplicitInterfaceType {
				opDef, found := graph.GetOperatorDefinition(member.Name())

				// Note: If not found, the type graph will emit an error.
				if found {
					if member.HasImplementation() != opDef.IsStatic {
						if opDef.IsStatic {
							reporter.ReportError(member.GraphNode, "Static operator %v under %v %v must have an implementation", member.Name(), parentType.Title(), parentType.Name())
						} else {
							reporter.ReportError(member.GraphNode, "Instance operator %v under %v %v cannot have an implementation", member.Name(), parentType.Title(), parentType.Name())
						}
					}
				}
			}
		}

		// Note: Operators get decorated with a returnable by the construction system automatically.

	case srg.FunctionMember:
		memberKind = typegraph.FunctionMemberSignature

		// Functions are read-only.
		isReadOnly = true

		// Functions have type function<ReturnType>(parameters).
		returnType, _ := stc.resolvePossibleType(member.Node(), member.ReturnType, graph, reporter)

		// Decorate the function with its return type.
		decorator.CreateReturnable(member.Node(), returnType)

		// If the function is an async function, make it non-promising and return a Awaitable instead.
		if member.IsAsyncFunction() {
			isPromising = false
			returnType = graph.AwaitableTypeReference(returnType)
		}

		functionType := graph.NewTypeReference(graph.FunctionType(), returnType)
		memberType, _ = stc.addSRGParameterTypes(member, functionType, graph, reporter)
	}

	// Decorate the member with whether it is exported.
	decorator.Exported(member.IsExported())

	// Decorate the member with whether it is an async function.
	decorator.InvokesAsync(member.IsAsyncFunction())

	// If the member is under a module, then it is static.
	decorator.Static(isStatic || !parent.IsType())

	// Decorate the member with whether it is promising.
	decorator.Promising(isPromising)

	// Decorate the member with whether it has a default value.
	decorator.HasDefaultValue(hasDefaultValue)

	// Decorate the member with whether it is a field.
	decorator.Field(isField)

	// Decorate the member with whether it is implicitly called.
	decorator.ImplicitlyCalled(isImplicitlyCalled)

	// Decorate the member with whether it is read-only.
	decorator.ReadOnly(isReadOnly)

	// Decorate the member with its type.
	decorator.MemberType(memberType)

	// Decorate the member with its kind.
	decorator.MemberKind(memberKind)

	// Decorate the member with its tags, if any.
	for name, value := range member.Tags() {
		decorator.WithTag(name, value)
	}

	// Finalize the member.
	decorator.Decorate()
}