carbon-language/carbon-lang
1
0
Fork 0
mirror of https://github.com/carbon-language/carbon-lang.git synced 2026-09-29 16:04:58 +01:00
Code Issues Packages Projects Releases 10 Wiki Activity
Files
e1cf833c458acb33bc877e2e5ee504c19bb67f05
carbon-lang/toolchain/check/testdata/interop/cpp/operators/deref.carbon
T
Richard Smith cefa0397bb More fixes to package and library fingerprinting. (#7297) 
Fix import logic to make all imported packages be children of the
`NameScopeId::Package` scope. Previously, indirectly-imported packages
would end up as children of their importing package's scope, which
resulted in them not being treated as packages at all, and in particular
not being fingerprinted as packages.

Fixing that caused a failure in the fingerprinting logic as we started
to encounter packages with no correspoding import scopes. Instead of
looking for import scopes, use a simpler mechanism to map packages to
their package names, and clean up.

Unfortunately the latter change churns all the fingerprints again :(
Hopefully this is the last time for a while.
2026-06-04 17:41:46 +00:00

235 lines
13 KiB
Plaintext
Raw Blame History

// 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/full.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/operators/deref.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/operators/deref.carbon
// --- const_deref.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''c++
class ConstDeref {
public:
auto operator*() const -> int&;
};
''';
fn TestDerefPass(var int_ptr: Cpp.ConstDeref) -> ref i32 {
//@dump-sem-ir-begin
return int_ptr.(Core.CppUnsafeDeref.Op)();
//@dump-sem-ir-end
}
// --- mutable_deref.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''c++
class MutableDeref {
public:
auto operator*() -> int&;
};
''';
fn TestDerefPass(var int_ptr: Cpp.MutableDeref) -> ref i32 {
//@dump-sem-ir-begin
return int_ptr.(Core.CppUnsafeDeref.Op)();
//@dump-sem-ir-end
}
// --- fail_todo_multi_deref.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''c++
class MultiDeref {
public:
auto operator*() & -> int&;
auto operator*() const& -> const int&;
auto operator*() && -> int&&;
auto operator*() const&& -> int const&&;
};
''';
fn TestDerefPass(var int_ptr: Cpp.MultiDeref) -> ref i32 {
// CHECK:STDERR: fail_todo_multi_deref.carbon:[[@LINE+4]]:10: error: semantics TODO: `operator* overload sets not implemented yet` [SemanticsTodo]
// CHECK:STDERR: return int_ptr.(Core.CppUnsafeDeref.Op)();
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
return int_ptr.(Core.CppUnsafeDeref.Op)();
}
// --- fail_todo_maybe_deref.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''c++
template<class T, class U>
concept SameImpl = __is_same(T, U);
template<class T, class U>
concept SameAs = SameImpl<T, U> && SameImpl<U, T>;
template<class T>
class MaybeDeref {
public:
auto operator*() const -> int&
requires SameAs<T, int>;
auto operator*() const -> const T&;
};
''';
fn TestDerefPass(var int_ptr: Cpp.MaybeDeref(i32)) -> ref i32 {
// CHECK:STDERR: fail_todo_maybe_deref.carbon:[[@LINE+4]]:10: error: semantics TODO: `operator* overload sets not implemented yet` [SemanticsTodo]
// CHECK:STDERR: return int_ptr.(Core.CppUnsafeDeref.Op)();
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
return int_ptr.(Core.CppUnsafeDeref.Op)();
}
// --- fail_not_a_ptr.carbon
library "[[@TEST_NAME]]";
import Cpp inline '''c++
class NotAPtr {};
''';
fn TestDerefFail(not_ptr: Cpp.NotAPtr) {
// CHECK:STDERR: fail_not_a_ptr.carbon:[[@LINE+4]]:3: error: cannot access member of interface `Core.CppUnsafeDeref` in type `Cpp.NotAPtr` that does not implement that interface [MissingImplInMemberAccess]
// CHECK:STDERR: not_ptr.(Core.CppUnsafeDeref.Op)();
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
not_ptr.(Core.CppUnsafeDeref.Op)();
}
// CHECK:STDOUT: --- const_deref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %ConstDeref: type = class_type @ConstDeref [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %CppUnsafeDeref.type: type = facet_type <@CppUnsafeDeref> [concrete]
// CHECK:STDOUT: %Self.d49: %CppUnsafeDeref.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %CppUnsafeDeref.WithSelf.Op.type.463: type = fn_type @CppUnsafeDeref.WithSelf.Op, @CppUnsafeDeref.WithSelf(%Self.d49) [symbolic]
// CHECK:STDOUT: %CppUnsafeDeref.WithSelf.Op.a01: %CppUnsafeDeref.WithSelf.Op.type.463 = struct_value () [symbolic]
// CHECK:STDOUT: %CppUnsafeDeref.assoc_type: type = assoc_entity_type @CppUnsafeDeref [concrete]
// CHECK:STDOUT: %assoc1: %CppUnsafeDeref.assoc_type = assoc_entity element1, imports.%Core.import_ref.ef0 [concrete]
// CHECK:STDOUT: %ConstDeref.cpp_operator.type: type = fn_type @ConstDeref.cpp_operator [concrete]
// CHECK:STDOUT: %ConstDeref.cpp_operator: %ConstDeref.cpp_operator.type = struct_value () [concrete]
// CHECK:STDOUT: %operator_Star__carbon_thunk.type: type = fn_type @operator_Star__carbon_thunk [concrete]
// CHECK:STDOUT: %operator_Star__carbon_thunk: %operator_Star__carbon_thunk.type = struct_value () [concrete]
// CHECK:STDOUT: %ConstDeref.Op.type: type = fn_type @ConstDeref.Op [concrete]
// CHECK:STDOUT: %ConstDeref.Op: %ConstDeref.Op.type = struct_value () [concrete]
// CHECK:STDOUT: %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT: %custom_witness.9fe: <witness> = custom_witness (%i32, %ConstDeref.Op), @CppUnsafeDeref [concrete]
// CHECK:STDOUT: %CppUnsafeDeref.facet.7c1: %CppUnsafeDeref.type = facet_value %ConstDeref, (%custom_witness.9fe) [concrete]
// CHECK:STDOUT: %CppUnsafeDeref.WithSelf.Op.type.edc: type = fn_type @CppUnsafeDeref.WithSelf.Op, @CppUnsafeDeref.WithSelf(%CppUnsafeDeref.facet.7c1) [concrete]
// CHECK:STDOUT: %.e2e: type = fn_type_with_self_type %CppUnsafeDeref.WithSelf.Op.type.edc, %CppUnsafeDeref.facet.7c1 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .CppUnsafeDeref = %Core.CppUnsafeDeref
// CHECK:STDOUT: .Copy = %Core.Copy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.CppUnsafeDeref: type = import_ref Core//prelude/operators/deref, CppUnsafeDeref, loaded [concrete = constants.%CppUnsafeDeref.type]
// CHECK:STDOUT: %Core.import_ref.4bf: %CppUnsafeDeref.assoc_type = import_ref Core//prelude/operators/deref, loc{{\d+_\d+}}, loaded [concrete = constants.%assoc1]
// CHECK:STDOUT: %Core.import_ref.ef0: @CppUnsafeDeref.WithSelf.%CppUnsafeDeref.WithSelf.Op.type (%CppUnsafeDeref.WithSelf.Op.type.463) = import_ref Core//prelude/operators/deref, loc{{\d+_\d+}}, loaded [symbolic = @CppUnsafeDeref.WithSelf.%CppUnsafeDeref.WithSelf.Op (constants.%CppUnsafeDeref.WithSelf.Op.a01)]
// CHECK:STDOUT: %ConstDeref.cpp_operator.decl: %ConstDeref.cpp_operator.type = fn_decl @ConstDeref.cpp_operator [concrete = constants.%ConstDeref.cpp_operator] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %operator_Star__carbon_thunk.decl: %operator_Star__carbon_thunk.type = fn_decl @operator_Star__carbon_thunk [concrete = constants.%operator_Star__carbon_thunk] {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Copy: type = import_ref Core//prelude/copy, Copy, loaded [concrete = constants.%Copy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestDerefPass(%int_ptr.param: ref %ConstDeref) -> ref %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_ptr.ref: ref %ConstDeref = name_ref int_ptr, %int_ptr
// CHECK:STDOUT: %Core.ref: <namespace> = name_ref Core, imports.%Core [concrete = imports.%Core]
// CHECK:STDOUT: %CppUnsafeDeref.ref: type = name_ref CppUnsafeDeref, imports.%Core.CppUnsafeDeref [concrete = constants.%CppUnsafeDeref.type]
// CHECK:STDOUT: %Op.ref.loc13_38: %CppUnsafeDeref.assoc_type = name_ref Op, imports.%Core.import_ref.4bf [concrete = constants.%assoc1]
// CHECK:STDOUT: %impl_witness_assoc_constant: type = impl_witness_assoc_constant constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %impl.elem1: %.e2e = impl_witness_access constants.%custom_witness.9fe, element1 [concrete = constants.%ConstDeref.Op]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_ptr.ref, %impl.elem1
// CHECK:STDOUT: %.loc13: %ConstDeref = acquire_value %int_ptr.ref
// CHECK:STDOUT: %Op.ref.loc13_43: %ConstDeref.cpp_operator.type = name_ref Op, imports.%ConstDeref.cpp_operator.decl [concrete = constants.%ConstDeref.cpp_operator]
// CHECK:STDOUT: %ConstDeref.cpp_operator.bound: <bound method> = bound_method %.loc13, %Op.ref.loc13_43
// CHECK:STDOUT: %operator_Star__carbon_thunk.call: ref %i32 = call imports.%operator_Star__carbon_thunk.decl(%.loc13)
// CHECK:STDOUT: return %operator_Star__carbon_thunk.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- mutable_deref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %MutableDeref: type = class_type @MutableDeref [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %CppUnsafeDeref.type: type = facet_type <@CppUnsafeDeref> [concrete]
// CHECK:STDOUT: %Self: %CppUnsafeDeref.type = symbolic_binding Self, 0 [symbolic]
// CHECK:STDOUT: %CppUnsafeDeref.WithSelf.Op.type.463: type = fn_type @CppUnsafeDeref.WithSelf.Op, @CppUnsafeDeref.WithSelf(%Self) [symbolic]
// CHECK:STDOUT: %CppUnsafeDeref.WithSelf.Op.a01: %CppUnsafeDeref.WithSelf.Op.type.463 = struct_value () [symbolic]
// CHECK:STDOUT: %CppUnsafeDeref.assoc_type: type = assoc_entity_type @CppUnsafeDeref [concrete]
// CHECK:STDOUT: %assoc1: %CppUnsafeDeref.assoc_type = assoc_entity element1, imports.%Core.import_ref.ef0 [concrete]
// CHECK:STDOUT: %MutableDeref.cpp_operator.type: type = fn_type @MutableDeref.cpp_operator [concrete]
// CHECK:STDOUT: %MutableDeref.cpp_operator: %MutableDeref.cpp_operator.type = struct_value () [concrete]
// CHECK:STDOUT: %custom_witness.a86: <witness> = custom_witness (%i32, %MutableDeref.cpp_operator), @CppUnsafeDeref [concrete]
// CHECK:STDOUT: %CppUnsafeDeref.facet.ea0: %CppUnsafeDeref.type = facet_value %MutableDeref, (%custom_witness.a86) [concrete]
// CHECK:STDOUT: %CppUnsafeDeref.WithSelf.Op.type.fdc: type = fn_type @CppUnsafeDeref.WithSelf.Op, @CppUnsafeDeref.WithSelf(%CppUnsafeDeref.facet.ea0) [concrete]
// CHECK:STDOUT: %.e52: type = fn_type_with_self_type %CppUnsafeDeref.WithSelf.Op.type.fdc, %CppUnsafeDeref.facet.ea0 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .CppUnsafeDeref = %Core.CppUnsafeDeref
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: %Core.CppUnsafeDeref: type = import_ref Core//prelude/operators/deref, CppUnsafeDeref, loaded [concrete = constants.%CppUnsafeDeref.type]
// CHECK:STDOUT: %Core.import_ref.4bf: %CppUnsafeDeref.assoc_type = import_ref Core//prelude/operators/deref, loc{{\d+_\d+}}, loaded [concrete = constants.%assoc1]
// CHECK:STDOUT: %Core.import_ref.ef0: @CppUnsafeDeref.WithSelf.%CppUnsafeDeref.WithSelf.Op.type (%CppUnsafeDeref.WithSelf.Op.type.463) = import_ref Core//prelude/operators/deref, loc{{\d+_\d+}}, loaded [symbolic = @CppUnsafeDeref.WithSelf.%CppUnsafeDeref.WithSelf.Op (constants.%CppUnsafeDeref.WithSelf.Op.a01)]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TestDerefPass(%int_ptr.param: ref %MutableDeref) -> ref %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_ptr.ref: ref %MutableDeref = name_ref int_ptr, %int_ptr
// CHECK:STDOUT: %Core.ref: <namespace> = name_ref Core, imports.%Core [concrete = imports.%Core]
// CHECK:STDOUT: %CppUnsafeDeref.ref: type = name_ref CppUnsafeDeref, imports.%Core.CppUnsafeDeref [concrete = constants.%CppUnsafeDeref.type]
// CHECK:STDOUT: %Op.ref: %CppUnsafeDeref.assoc_type = name_ref Op, imports.%Core.import_ref.4bf [concrete = constants.%assoc1]
// CHECK:STDOUT: %impl_witness_assoc_constant: type = impl_witness_assoc_constant constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %impl.elem1: %.e52 = impl_witness_access constants.%custom_witness.a86, element1 [concrete = constants.%MutableDeref.cpp_operator]
// CHECK:STDOUT: %bound_method: <bound method> = bound_method %int_ptr.ref, %impl.elem1
// CHECK:STDOUT: %.loc13: %MutableDeref = acquire_value %int_ptr.ref
// CHECK:STDOUT: %MutableDeref.cpp_operator.call: ref %i32 = call %bound_method(%.loc13)
// CHECK:STDOUT: return %MutableDeref.cpp_operator.call
// CHECK:STDOUT: }
// CHECK:STDOUT:
Reference in New Issue View Git Blame Copy Permalink