mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 08:41:06 +01:00
Jon Ross-Perkins
d944347e7b
This is in particular to avoid churn from changes such as #4370. I think the import list can be helpful (particularly to understand what the library is aware of), but it's a different trade-off for the prelude package due to the implicit imports.
277 lines
15 KiB
Plaintext
277 lines
15 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_self.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_self.carbon
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class Class {
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// CHECK:STDERR: fail_self.carbon:[[@LINE+4]]:8: error: `self` can only be declared in an implicit parameter list [SelfOutsideImplicitParamList]
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// CHECK:STDERR: fn F(self: Self);
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// CHECK:STDERR: ^~~~~~~~~~
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// CHECK:STDERR:
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fn F(self: Self);
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fn G() -> Self;
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}
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// CHECK:STDERR: fail_self.carbon:[[@LINE+4]]:12: error: `self` can only be declared in an implicit parameter list [SelfOutsideImplicitParamList]
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// CHECK:STDERR: fn Class.F(self: Self) {
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// CHECK:STDERR: ^~~~~~~~~~
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// CHECK:STDERR:
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fn Class.F(self: Self) {
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}
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fn Class.G() -> Self {
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// CHECK:STDERR: fail_self.carbon:[[@LINE+4]]:7: error: `self` can only be declared in an implicit parameter list [SelfOutsideImplicitParamList]
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// CHECK:STDERR: var self: Self;
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// CHECK:STDERR: ^~~~~~~~~~
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// CHECK:STDERR:
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var self: Self;
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// CHECK:STDERR: fail_self.carbon:[[@LINE+4]]:10: error: cannot copy value of type `Class` [CopyOfUncopyableType]
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// CHECK:STDERR: return self;
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// CHECK:STDERR: ^~~~
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// CHECK:STDERR:
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return self;
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}
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class WrongSelf {
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fn F[self: Class]();
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}
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fn CallWrongSelf(ws: WrongSelf) {
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// CHECK:STDERR: fail_self.carbon:[[@LINE+9]]:3: error: cannot implicitly convert from `WrongSelf` to `Class` [ImplicitAsConversionFailure]
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// CHECK:STDERR: ws.F();
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// CHECK:STDERR: ^~
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// CHECK:STDERR: fail_self.carbon:[[@LINE+6]]:3: note: type `WrongSelf` does not implement interface `ImplicitAs` [MissingImplInMemberAccessNote]
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// CHECK:STDERR: ws.F();
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// CHECK:STDERR: ^~
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// CHECK:STDERR: fail_self.carbon:[[@LINE-10]]:8: note: initializing function parameter [InCallToFunctionParam]
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// CHECK:STDERR: fn F[self: Class]();
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// CHECK:STDERR: ^~~~~~~~~~~
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ws.F();
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}
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// CHECK:STDOUT: --- fail_self.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %Class: type = class_type @Class [template]
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// CHECK:STDOUT: %F.type.1: type = fn_type @F.1 [template]
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// CHECK:STDOUT: %.1: type = tuple_type () [template]
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// CHECK:STDOUT: %F.1: %F.type.1 = struct_value () [template]
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// CHECK:STDOUT: %G.type: type = fn_type @G [template]
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// CHECK:STDOUT: %G: %G.type = struct_value () [template]
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// CHECK:STDOUT: %.2: type = struct_type {} [template]
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// CHECK:STDOUT: %.3: <witness> = complete_type_witness %.2 [template]
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// CHECK:STDOUT: %.4: type = ptr_type %.2 [template]
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// CHECK:STDOUT: %WrongSelf: type = class_type @WrongSelf [template]
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// CHECK:STDOUT: %F.type.2: type = fn_type @F.2 [template]
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// CHECK:STDOUT: %F.2: %F.type.2 = struct_value () [template]
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// CHECK:STDOUT: %CallWrongSelf.type: type = fn_type @CallWrongSelf [template]
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// CHECK:STDOUT: %CallWrongSelf: %CallWrongSelf.type = struct_value () [template]
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// CHECK:STDOUT: %ImplicitAs.type.1: type = generic_interface_type @ImplicitAs [template]
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// CHECK:STDOUT: %ImplicitAs: %ImplicitAs.type.1 = struct_value () [template]
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// CHECK:STDOUT: %Dest: type = bind_symbolic_name Dest, 0 [symbolic]
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// CHECK:STDOUT: %ImplicitAs.type.2: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic]
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// CHECK:STDOUT: %Self.1: @ImplicitAs.%ImplicitAs.type (%ImplicitAs.type.2) = bind_symbolic_name Self, 1 [symbolic]
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// CHECK:STDOUT: %Dest.patt: type = symbolic_binding_pattern Dest, 0 [symbolic]
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// CHECK:STDOUT: %Self.2: %ImplicitAs.type.2 = bind_symbolic_name Self, 1 [symbolic]
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// CHECK:STDOUT: %Convert.type.1: type = fn_type @Convert, @ImplicitAs(%Dest) [symbolic]
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// CHECK:STDOUT: %Convert.1: %Convert.type.1 = struct_value () [symbolic]
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// CHECK:STDOUT: %.5: type = assoc_entity_type %ImplicitAs.type.2, %Convert.type.1 [symbolic]
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// CHECK:STDOUT: %.6: %.5 = assoc_entity element0, imports.%import_ref.5 [symbolic]
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// CHECK:STDOUT: %ImplicitAs.type.3: type = interface_type @ImplicitAs, @ImplicitAs(%Class) [template]
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// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert, @ImplicitAs(%Class) [template]
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// CHECK:STDOUT: %Convert.2: %Convert.type.2 = struct_value () [template]
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// CHECK:STDOUT: %.7: type = assoc_entity_type %ImplicitAs.type.3, %Convert.type.2 [template]
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// CHECK:STDOUT: %.8: %.7 = assoc_entity element0, imports.%import_ref.5 [template]
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// CHECK:STDOUT: %.9: %.5 = assoc_entity element0, imports.%import_ref.6 [symbolic]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
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// CHECK:STDOUT: .ImplicitAs = %import_ref.1
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %import_ref.1: %ImplicitAs.type.1 = import_ref Core//prelude/operators/as, inst+49, loaded [template = constants.%ImplicitAs]
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// CHECK:STDOUT: %import_ref.2 = import_ref Core//prelude/operators/as, inst+55, unloaded
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// CHECK:STDOUT: %import_ref.3: @ImplicitAs.%.1 (%.5) = import_ref Core//prelude/operators/as, inst+77, loaded [symbolic = @ImplicitAs.%.2 (constants.%.9)]
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// CHECK:STDOUT: %import_ref.4 = import_ref Core//prelude/operators/as, inst+70, unloaded
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// CHECK:STDOUT: %import_ref.5 = import_ref Core//prelude/operators/as, inst+70, unloaded
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// CHECK:STDOUT: %import_ref.6 = import_ref Core//prelude/operators/as, inst+70, unloaded
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .Class = %Class.decl
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// CHECK:STDOUT: .WrongSelf = %WrongSelf.decl
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// CHECK:STDOUT: .CallWrongSelf = %CallWrongSelf.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %Class.decl: type = class_decl @Class [template = constants.%Class] {} {}
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// CHECK:STDOUT: %F.decl: %F.type.1 = fn_decl @F.1 [template = constants.%F.1] {
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// CHECK:STDOUT: %self.patt: %Class = binding_pattern self
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// CHECK:STDOUT: %self.param_patt: %Class = value_param_pattern %self.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %Self.ref.loc25: type = name_ref Self, constants.%Class [template = constants.%Class]
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// CHECK:STDOUT: %self.param.loc25: %Class = value_param runtime_param0
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// CHECK:STDOUT: %self.loc25: %Class = bind_name self, %self.param.loc25
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {
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// CHECK:STDOUT: %return.patt: %Class = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %Class = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %Self.ref.loc28: type = name_ref Self, constants.%Class [template = constants.%Class]
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// CHECK:STDOUT: %return.param.loc28: ref %Class = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %Class = return_slot %return.param.loc28
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %WrongSelf.decl: type = class_decl @WrongSelf [template = constants.%WrongSelf] {} {}
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// CHECK:STDOUT: %CallWrongSelf.decl: %CallWrongSelf.type = fn_decl @CallWrongSelf [template = constants.%CallWrongSelf] {
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// CHECK:STDOUT: %ws.patt: %WrongSelf = binding_pattern ws
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// CHECK:STDOUT: %ws.param_patt: %WrongSelf = value_param_pattern %ws.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %WrongSelf.ref: type = name_ref WrongSelf, file.%WrongSelf.decl [template = constants.%WrongSelf]
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// CHECK:STDOUT: %ws.param: %WrongSelf = value_param runtime_param0
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// CHECK:STDOUT: %ws: %WrongSelf = bind_name ws, %ws.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: generic interface @ImplicitAs(constants.%Dest: type) {
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// CHECK:STDOUT: %Dest: type = bind_symbolic_name Dest, 0 [symbolic = %Dest (constants.%Dest)]
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// CHECK:STDOUT: %Dest.patt: type = symbolic_binding_pattern Dest, 0 [symbolic = %Dest.patt (constants.%Dest.patt)]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !definition:
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// CHECK:STDOUT: %ImplicitAs.type: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %ImplicitAs.type (constants.%ImplicitAs.type.2)]
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// CHECK:STDOUT: %Self: %ImplicitAs.type.2 = bind_symbolic_name Self, 1 [symbolic = %Self (constants.%Self.2)]
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// CHECK:STDOUT: %Convert.type: type = fn_type @Convert, @ImplicitAs(%Dest) [symbolic = %Convert.type (constants.%Convert.type.1)]
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// CHECK:STDOUT: %Convert: @ImplicitAs.%Convert.type (%Convert.type.1) = struct_value () [symbolic = %Convert (constants.%Convert.1)]
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// CHECK:STDOUT: %.1: type = assoc_entity_type @ImplicitAs.%ImplicitAs.type (%ImplicitAs.type.2), @ImplicitAs.%Convert.type (%Convert.type.1) [symbolic = %.1 (constants.%.5)]
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// CHECK:STDOUT: %.2: @ImplicitAs.%.1 (%.5) = assoc_entity element0, imports.%import_ref.5 [symbolic = %.2 (constants.%.6)]
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = imports.%import_ref.2
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// CHECK:STDOUT: .Convert = imports.%import_ref.3
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// CHECK:STDOUT: witness = (imports.%import_ref.4)
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Class {
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// CHECK:STDOUT: %F.decl: %F.type.1 = fn_decl @F.1 [template = constants.%F.1] {
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// CHECK:STDOUT: %self.patt: %Class = binding_pattern self
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// CHECK:STDOUT: %self.param_patt: %Class = value_param_pattern %self.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %Self.ref.loc16: type = name_ref Self, constants.%Class [template = constants.%Class]
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// CHECK:STDOUT: %self.param.loc16: %Class = value_param runtime_param0
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// CHECK:STDOUT: %self.loc16: %Class = bind_name self, %self.param.loc16
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {
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// CHECK:STDOUT: %return.patt: %Class = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %Class = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %Self.ref.loc18: type = name_ref Self, constants.%Class [template = constants.%Class]
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// CHECK:STDOUT: %return.param.loc18: ref %Class = out_param runtime_param0
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// CHECK:STDOUT: %.loc18: ref %Class = return_slot %return.param.loc18
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %.loc19: <witness> = complete_type_witness %.2 [template = constants.%.3]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%Class
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// CHECK:STDOUT: .F = %F.decl
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// CHECK:STDOUT: .G = %G.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @WrongSelf {
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// CHECK:STDOUT: %F.decl: %F.type.2 = fn_decl @F.2 [template = constants.%F.2] {
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// CHECK:STDOUT: %self.patt: %Class = binding_pattern self
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// CHECK:STDOUT: %self.param_patt: %Class = value_param_pattern %self.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
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// CHECK:STDOUT: %self.param: %Class = value_param runtime_param0
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// CHECK:STDOUT: %self: %Class = bind_name self, %self.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %.loc43: <witness> = complete_type_witness %.2 [template = constants.%.3]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%WrongSelf
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// CHECK:STDOUT: .F = %F.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F.1(%self.param_patt: %Class) {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @G() -> %return: %Class {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Self.ref.loc33: type = name_ref Self, constants.%Class [template = constants.%Class]
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// CHECK:STDOUT: %self.var: ref %Class = var self
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// CHECK:STDOUT: %self: ref %Class = bind_name self, %self.var
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// CHECK:STDOUT: %self.ref: ref %Class = name_ref self, %self
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// CHECK:STDOUT: %.loc38: %Class = bind_value %self.ref
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// CHECK:STDOUT: return <error> to %return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F.2[%self.param_patt: %Class]();
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @CallWrongSelf(%ws.param_patt: %WrongSelf) {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %ws.ref: %WrongSelf = name_ref ws, %ws
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// CHECK:STDOUT: %F.ref: %F.type.2 = name_ref F, @WrongSelf.%F.decl [template = constants.%F.2]
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// CHECK:STDOUT: %.loc55_5: <bound method> = bound_method %ws.ref, %F.ref
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// CHECK:STDOUT: %ImplicitAs.type: type = interface_type @ImplicitAs, @ImplicitAs(constants.%Class) [template = constants.%ImplicitAs.type.3]
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// CHECK:STDOUT: %.loc55_3.1: %.7 = specific_constant imports.%import_ref.3, @ImplicitAs(constants.%Class) [template = constants.%.8]
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// CHECK:STDOUT: %Convert.ref: %.7 = name_ref Convert, %.loc55_3.1 [template = constants.%.8]
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// CHECK:STDOUT: %.loc55_3.2: %Class = converted %ws.ref, <error> [template = <error>]
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// CHECK:STDOUT: %F.call: init %.1 = call %.loc55_5(<error>)
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: generic fn @Convert(constants.%Dest: type, constants.%Self.1: @ImplicitAs.%ImplicitAs.type (%ImplicitAs.type.2)) {
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// CHECK:STDOUT: %Dest: type = bind_symbolic_name Dest, 0 [symbolic = %Dest (constants.%Dest)]
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// CHECK:STDOUT: %ImplicitAs.type: type = interface_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic = %ImplicitAs.type (constants.%ImplicitAs.type.2)]
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// CHECK:STDOUT: %Self: %ImplicitAs.type.2 = bind_symbolic_name Self, 1 [symbolic = %Self (constants.%Self.2)]
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn[%self.param_patt: @Convert.%Self (%Self.2)]() -> @Convert.%Dest (%Dest);
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @ImplicitAs(constants.%Dest) {
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// CHECK:STDOUT: %Dest => constants.%Dest
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// CHECK:STDOUT: %Dest.patt => constants.%Dest
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @ImplicitAs(@ImplicitAs.%Dest) {
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// CHECK:STDOUT: %Dest => constants.%Dest
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// CHECK:STDOUT: %Dest.patt => constants.%Dest
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @ImplicitAs(@Convert.%Dest) {
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// CHECK:STDOUT: %Dest => constants.%Dest
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// CHECK:STDOUT: %Dest.patt => constants.%Dest
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @Convert(constants.%Dest, constants.%Self.1) {
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// CHECK:STDOUT: %Dest => constants.%Dest
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// CHECK:STDOUT: %ImplicitAs.type => constants.%ImplicitAs.type.2
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// CHECK:STDOUT: %Self => constants.%Self.1
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @ImplicitAs(constants.%Class) {
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// CHECK:STDOUT: %Dest => constants.%Class
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// CHECK:STDOUT: %Dest.patt => constants.%Class
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// CHECK:STDOUT:
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// CHECK:STDOUT: !definition:
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// CHECK:STDOUT: %ImplicitAs.type => constants.%ImplicitAs.type.3
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// CHECK:STDOUT: %Self => constants.%Self.2
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// CHECK:STDOUT: %Convert.type => constants.%Convert.type.2
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// CHECK:STDOUT: %Convert => constants.%Convert.2
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// CHECK:STDOUT: %.1 => constants.%.7
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// CHECK:STDOUT: %.2 => constants.%.8
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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