mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 21:50:14 +01:00
Richard Smith
f31e1685fd
Instead of exporting a class or namespace each time a new C++ name lookup discovers it, track that we have exported the entity on its name scope, and if a new name lookup finds the same entity, produce the same clang declaration.
124 lines
3.2 KiB
Plaintext
124 lines
3.2 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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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
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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/interop/cpp/reverse/class.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/interop/cpp/reverse/class.carbon
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// --- static_members.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class A {
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fn F() {}
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}
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inline Cpp '''
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void G() {
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Carbon::A::F();
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}
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''';
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// --- nested.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class A {
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class B {
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class C {
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}
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}
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}
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inline Cpp '''
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void G() {
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Carbon::A::B::C *p = nullptr;
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}
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''';
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// --- fail_incomplete_concrete.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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// CHECK:STDERR: fail_incomplete_concrete.carbon:[[@LINE+4]]:1: error: class was forward declared here [ClassForwardDeclaredHere]
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// CHECK:STDERR: class A;
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// CHECK:STDERR: ^~~~~~~~
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// CHECK:STDERR:
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class A;
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inline Cpp '''
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// CHECK:STDERR: fail_incomplete_concrete.carbon:[[@LINE+4]]:11: error: variable has incomplete type 'Carbon::A' [CppInteropParseError]
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// CHECK:STDERR: 16 | Carbon::A a;
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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Carbon::A a;
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''';
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// --- fail_todo_monomorphization_failure.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class B(N:! i32) {
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var a: array(i8, N);
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}
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// TODO: Once we allow this, we should produce an "invalid array bound" error
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// during monomorphization triggered by the C++ code.
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// CHECK:STDERR: fail_todo_monomorphization_failure.carbon:[[@LINE+4]]:11: error: alias initializer must be a name reference [AliasRequiresNameRef]
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// CHECK:STDERR: alias T = B(-1);
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR:
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alias T = B(-1);
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inline Cpp '''
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// CHECK:STDERR: fail_todo_monomorphization_failure.carbon:[[@LINE+4]]:9: error: no type named 'T' in namespace 'Carbon' [CppInteropParseError]
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// CHECK:STDERR: 22 | Carbon::T t;
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// CHECK:STDERR: | ~~~~~~~~^
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// CHECK:STDERR:
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Carbon::T t;
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''';
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// --- fail_todo_fields.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class A {
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var a: i32;
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var b: i32;
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}
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inline Cpp '''
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// CHECK:STDERR: fail_todo_fields.carbon:[[@LINE+7]]:15: error: static assertion failed due to requirement 'sizeof(Carbon::A) == 2 * sizeof(int)' [CppInteropParseError]
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// CHECK:STDERR: 18 | static_assert(sizeof(Carbon::A) == 2 * sizeof(int));
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// CHECK:STDERR: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR: fail_todo_fields.carbon:[[@LINE+4]]:33: note: expression evaluates to '1 == 8' [CppInteropParseNote]
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// CHECK:STDERR: 18 | static_assert(sizeof(Carbon::A) == 2 * sizeof(int));
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// CHECK:STDERR: | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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static_assert(sizeof(Carbon::A) == 2 * sizeof(int));
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''';
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// --- alias_identity.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class A {}
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alias B = A;
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inline Cpp '''
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// OK, Carbon::A and Carbon::B are the same type.
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Carbon::A *pa;
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Carbon::B *pb = pa;
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''';
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