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carbon-lang/toolchain/check/testdata/interop/cpp/impls/destroy.carbon
T
Jon Ross-Perkins 47e551141f Change the package namespace to use the package name (#6495) 
Instead of naming the root namespace `package` (because it's accessed by
the `package` keyword), change it to use the current package name. Note,
buried in the checksum changes,
`toolchain/check/testdata/package_expr/fail_not_found.carbon`:

```
-  // CHECK:STDERR: fail_not_found.carbon:[[@LINE+4]]:16: error: member name `x` not found in `package` [MemberNameNotFoundInInstScope]
+  // CHECK:STDERR: fail_not_found.carbon:[[@LINE+4]]:16: error: member name `x` not found in `Main` [MemberNameNotFoundInInstScope]
```

for:

```
  // CHECK:STDERR:   var y: i32 = package.x;
  // CHECK:STDERR:                ^~~~~~~~~
```

I'll leave it to you if you prefer this; the alternative I see is to
just rename `IsCorePackage` to `IsImportedCorePackage`, and/or change it
to a helper that takes a `Context` and does the right thing with
`parse_tree` (which, I need for `Destroy`-related reasons and was my
default approach).
2025-12-16 01:33:53 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
// EXTRA-ARGS: --clang-arg=--std=c++20
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/impls/destroy.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/impls/destroy.carbon
// --- types.h
class PublicDestructor {
public:
~PublicDestructor();
};
class TrivialDestructor {
public:
~TrivialDestructor() = default;
};
template<int N = 0>
class AmbiguousDestructorT {
public:
~AmbiguousDestructorT() requires (N != 1);
~AmbiguousDestructorT() requires (N != 2);
};
using AmbiguousDestructor = AmbiguousDestructorT<>;
class DeletedDestructor {
public:
~DeletedDestructor() = delete;
};
class PrivateDestructor {
private:
~PrivateDestructor();
};
class ProtectedDestructor {
protected:
~ProtectedDestructor();
};
// --- destroy_destroyable.carbon
library "[[@TEST_NAME]]";
import Cpp library "types.h";
fn PublicDestroy() {
//@dump-sem-ir-begin
var a: Cpp.PublicDestructor = {};
//@dump-sem-ir-end
}
fn TrivialDestroy() {
//@dump-sem-ir-begin
var a: Cpp.TrivialDestructor = {};
//@dump-sem-ir-end
}
// --- destroy_protected_base_destructor.carbon
library "[[@TEST_NAME]]";
import Cpp library "types.h";
class Derived {
extend base: Cpp.ProtectedDestructor;
}
fn DestroyClassWithProtectedBaseDestructor() {
//@dump-sem-ir-begin
var a: Derived = {.base = {}};
//@dump-sem-ir-end
}
// --- todo_fail_destroy_private_base_destructor.carbon
library "[[@TEST_NAME]]";
import Cpp library "types.h";
class Derived {
extend base: Cpp.PrivateDestructor;
}
fn DestroyClassWithPrivateBaseDestructor() {
//@dump-sem-ir-begin
// TODO: We should not allow this, as the destructor of the base class is private.
var a: Derived = {.base = {}};
//@dump-sem-ir-end
}
// --- fail_destroy_nondestroyable.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_destroy_nondestroyable.carbon:[[@LINE+16]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./types.h:13:7: error: destructor of class 'AmbiguousDestructorT<>' is ambiguous [CppInteropParseError]
// CHECK:STDERR: 13 | class AmbiguousDestructorT {
// CHECK:STDERR: | ^
// CHECK:STDERR: fail_destroy_nondestroyable.carbon:[[@LINE+12]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./types.h:13:7: note: in instantiation of template class 'AmbiguousDestructorT<>' requested here [CppInteropParseNote]
// CHECK:STDERR: 13 | class AmbiguousDestructorT {
// CHECK:STDERR: | ^
// CHECK:STDERR: fail_destroy_nondestroyable.carbon:[[@LINE+8]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./types.h:15:3: note: candidate function [CppInteropParseNote]
// CHECK:STDERR: 15 | ~AmbiguousDestructorT() requires (N != 1);
// CHECK:STDERR: | ^
// CHECK:STDERR: fail_destroy_nondestroyable.carbon:[[@LINE+4]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./types.h:16:3: note: candidate function [CppInteropParseNote]
// CHECK:STDERR: 16 | ~AmbiguousDestructorT() requires (N != 2);
// CHECK:STDERR: | ^
import Cpp library "types.h";
fn AmbiguousDestroy() {
// CHECK:STDERR: fail_destroy_nondestroyable.carbon:[[@LINE+4]]:10: note: while completing C++ type `Cpp.AmbiguousDestructorT` [InCppTypeCompletion]
// CHECK:STDERR: var a: Cpp.AmbiguousDestructor = {};
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var a: Cpp.AmbiguousDestructor = {};
}
fn DeletedDestroy() {
// CHECK:STDERR: fail_destroy_nondestroyable.carbon:[[@LINE+8]]:3: error: attempt to use a deleted function [CppInteropParseError]
// CHECK:STDERR: 39 | var a: Cpp.DeletedDestructor = {};
// CHECK:STDERR: | ^
// CHECK:STDERR: fail_destroy_nondestroyable.carbon:[[@LINE-14]]:10: in file included here [InCppInclude]
// CHECK:STDERR: ./types.h:23:3: note: '~DeletedDestructor' has been explicitly marked deleted here [CppInteropParseNote]
// CHECK:STDERR: 23 | ~DeletedDestructor() = delete;
// CHECK:STDERR: | ^
// CHECK:STDERR:
var a: Cpp.DeletedDestructor = {};
}
fn PrivateDestroy() {
// CHECK:STDERR: fail_destroy_nondestroyable.carbon:[[@LINE+5]]:3: error: cannot access private member `<C++ destructor>` of type `Cpp.PrivateDestructor` [ClassInvalidMemberAccess]
// CHECK:STDERR: var a: Cpp.PrivateDestructor = {};
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_destroy_nondestroyable.carbon: note: declared here [ClassMemberDeclaration]
// CHECK:STDERR:
var a: Cpp.PrivateDestructor = {};
}
fn ProtectedDestroy() {
// CHECK:STDERR: fail_destroy_nondestroyable.carbon:[[@LINE+5]]:3: error: cannot access protected member `<C++ destructor>` of type `Cpp.ProtectedDestructor` [ClassInvalidMemberAccess]
// CHECK:STDERR: var a: Cpp.ProtectedDestructor = {};
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_destroy_nondestroyable.carbon: note: declared here [ClassMemberDeclaration]
// CHECK:STDERR:
var a: Cpp.ProtectedDestructor = {};
}
// --- destroy_generically.carbon
library "[[@TEST_NAME]]";
import Cpp library "types.h";
fn Destroy[T:! Core.Copy & Core.Destroy](c: T) {
var d: T = c;
}
fn DoDestroy() {
Destroy({} as Cpp.PublicDestructor);
}
class Wrap(T:! Core.Destroy) {}
fn EqualWitnesses(p: Wrap(Cpp.PublicDestructor)*) -> Wrap(Cpp.PublicDestructor)* {
return p;
}
// CHECK:STDOUT: --- destroy_destroyable.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %PublicDestructor: type = class_type @PublicDestructor [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type.27d: type = pattern_type %PublicDestructor [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %PublicDestructor.val: %PublicDestructor = struct_value () [concrete]
// CHECK:STDOUT: %PublicDestructor.cpp_destructor.type: type = fn_type @PublicDestructor.cpp_destructor [concrete]
// CHECK:STDOUT: %PublicDestructor.cpp_destructor: %PublicDestructor.cpp_destructor.type = struct_value () [concrete]
// CHECK:STDOUT: %TrivialDestructor: type = class_type @TrivialDestructor [concrete]
// CHECK:STDOUT: %pattern_type.1b8: type = pattern_type %TrivialDestructor [concrete]
// CHECK:STDOUT: %TrivialDestructor.val: %TrivialDestructor = struct_value () [concrete]
// CHECK:STDOUT: %TrivialDestructor.cpp_destructor.type: type = fn_type @TrivialDestructor.cpp_destructor [concrete]
// CHECK:STDOUT: %TrivialDestructor.cpp_destructor: %TrivialDestructor.cpp_destructor.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
// CHECK:STDOUT: .PublicDestructor = %PublicDestructor.decl
// CHECK:STDOUT: .TrivialDestructor = %TrivialDestructor.decl
// CHECK:STDOUT: import Cpp//...
// CHECK:STDOUT: }
// CHECK:STDOUT: %PublicDestructor.decl: type = class_decl @PublicDestructor [concrete = constants.%PublicDestructor] {} {}
// CHECK:STDOUT: %TrivialDestructor.decl: type = class_decl @TrivialDestructor [concrete = constants.%TrivialDestructor] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @PublicDestroy() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.27d = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.27d = var_pattern %a.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %PublicDestructor = var %a.var_patt
// CHECK:STDOUT: %.loc8_34.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc8_34.2: init %PublicDestructor = class_init (), %a.var [concrete = constants.%PublicDestructor.val]
// CHECK:STDOUT: %.loc8_3: init %PublicDestructor = converted %.loc8_34.1, %.loc8_34.2 [concrete = constants.%PublicDestructor.val]
// CHECK:STDOUT: assign %a.var, %.loc8_3
// CHECK:STDOUT: %.loc8_13: type = splice_block %PublicDestructor.ref [concrete = constants.%PublicDestructor] {
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %PublicDestructor.ref: type = name_ref PublicDestructor, imports.%PublicDestructor.decl [concrete = constants.%PublicDestructor]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %PublicDestructor = ref_binding a, %a.var
// CHECK:STDOUT: %PublicDestructor.cpp_destructor.bound: <bound method> = bound_method %a.var, constants.%PublicDestructor.cpp_destructor
// CHECK:STDOUT: %PublicDestructor.cpp_destructor.call: init %empty_tuple.type = call %PublicDestructor.cpp_destructor.bound(%a.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TrivialDestroy() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.1b8 = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.1b8 = var_pattern %a.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %TrivialDestructor = var %a.var_patt
// CHECK:STDOUT: %.loc14_35.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc14_35.2: init %TrivialDestructor = class_init (), %a.var [concrete = constants.%TrivialDestructor.val]
// CHECK:STDOUT: %.loc14_3: init %TrivialDestructor = converted %.loc14_35.1, %.loc14_35.2 [concrete = constants.%TrivialDestructor.val]
// CHECK:STDOUT: assign %a.var, %.loc14_3
// CHECK:STDOUT: %.loc14_13: type = splice_block %TrivialDestructor.ref [concrete = constants.%TrivialDestructor] {
// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
// CHECK:STDOUT: %TrivialDestructor.ref: type = name_ref TrivialDestructor, imports.%TrivialDestructor.decl [concrete = constants.%TrivialDestructor]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %TrivialDestructor = ref_binding a, %a.var
// CHECK:STDOUT: %TrivialDestructor.cpp_destructor.bound: <bound method> = bound_method %a.var, constants.%TrivialDestructor.cpp_destructor
// CHECK:STDOUT: %TrivialDestructor.cpp_destructor.call: init %empty_tuple.type = call %TrivialDestructor.cpp_destructor.bound(%a.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- destroy_protected_base_destructor.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Derived: type = class_type @Derived [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %ProtectedDestructor: type = class_type @ProtectedDestructor [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type.9f6: type = pattern_type %Derived [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %struct_type.base.f5e: type = struct_type {.base: %empty_struct_type} [concrete]
// CHECK:STDOUT: %struct: %struct_type.base.f5e = struct_value (%empty_struct) [concrete]
// CHECK:STDOUT: %ProtectedDestructor.val: %ProtectedDestructor = struct_value () [concrete]
// CHECK:STDOUT: %Derived.val: %Derived = struct_value (%ProtectedDestructor.val) [concrete]
// CHECK:STDOUT: %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT: %facet_value: %type_where = facet_value %Derived, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.da2: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.fdc: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.da2 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @DestroyClassWithProtectedBaseDestructor() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.9f6 = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.9f6 = var_pattern %a.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %Derived = var %a.var_patt
// CHECK:STDOUT: %.loc12_30.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc12_31.1: %struct_type.base.f5e = struct_literal (%.loc12_30.1) [concrete = constants.%struct]
// CHECK:STDOUT: %.loc12_31.2: ref %ProtectedDestructor = class_element_access %a.var, element0
// CHECK:STDOUT: %.loc12_30.2: init %ProtectedDestructor = class_init (), %.loc12_31.2 [concrete = constants.%ProtectedDestructor.val]
// CHECK:STDOUT: %.loc12_31.3: init %ProtectedDestructor = converted %.loc12_30.1, %.loc12_30.2 [concrete = constants.%ProtectedDestructor.val]
// CHECK:STDOUT: %.loc12_31.4: init %Derived = class_init (%.loc12_31.3), %a.var [concrete = constants.%Derived.val]
// CHECK:STDOUT: %.loc12_3: init %Derived = converted %.loc12_31.1, %.loc12_31.4 [concrete = constants.%Derived.val]
// CHECK:STDOUT: assign %a.var, %.loc12_3
// CHECK:STDOUT: %Derived.ref: type = name_ref Derived, file.%Derived.decl [concrete = constants.%Derived]
// CHECK:STDOUT: %a: ref %Derived = ref_binding a, %a.var
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound: <bound method> = bound_method %a.var, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.fdc
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %a.var, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method(%a.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- todo_fail_destroy_private_base_destructor.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Derived: type = class_type @Derived [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %PrivateDestructor: type = class_type @PrivateDestructor [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type.9f6: type = pattern_type %Derived [concrete]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [concrete]
// CHECK:STDOUT: %struct_type.base.f5e: type = struct_type {.base: %empty_struct_type} [concrete]
// CHECK:STDOUT: %struct: %struct_type.base.f5e = struct_value (%empty_struct) [concrete]
// CHECK:STDOUT: %PrivateDestructor.val: %PrivateDestructor = struct_value () [concrete]
// CHECK:STDOUT: %Derived.val: %Derived = struct_value (%PrivateDestructor.val) [concrete]
// CHECK:STDOUT: %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT: %facet_value: %type_where = facet_value %Derived, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.da2: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.fdc: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.da2 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @DestroyClassWithPrivateBaseDestructor() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.9f6 = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.9f6 = var_pattern %a.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %Derived = var %a.var_patt
// CHECK:STDOUT: %.loc13_30.1: %empty_struct_type = struct_literal () [concrete = constants.%empty_struct]
// CHECK:STDOUT: %.loc13_31.1: %struct_type.base.f5e = struct_literal (%.loc13_30.1) [concrete = constants.%struct]
// CHECK:STDOUT: %.loc13_31.2: ref %PrivateDestructor = class_element_access %a.var, element0
// CHECK:STDOUT: %.loc13_30.2: init %PrivateDestructor = class_init (), %.loc13_31.2 [concrete = constants.%PrivateDestructor.val]
// CHECK:STDOUT: %.loc13_31.3: init %PrivateDestructor = converted %.loc13_30.1, %.loc13_30.2 [concrete = constants.%PrivateDestructor.val]
// CHECK:STDOUT: %.loc13_31.4: init %Derived = class_init (%.loc13_31.3), %a.var [concrete = constants.%Derived.val]
// CHECK:STDOUT: %.loc13_3: init %Derived = converted %.loc13_31.1, %.loc13_31.4 [concrete = constants.%Derived.val]
// CHECK:STDOUT: assign %a.var, %.loc13_3
// CHECK:STDOUT: %Derived.ref: type = name_ref Derived, file.%Derived.decl [concrete = constants.%Derived]
// CHECK:STDOUT: %a: ref %Derived = ref_binding a, %a.var
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound: <bound method> = bound_method %a.var, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.fdc
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %a.var, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method(%a.var)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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