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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
c06165d3e0
It's not enough for field types of Carbon classes to be complete in SemIR. If the field is exported to Clang, we also need the type to be complete in Clang's AST, since Clang assumes it has a definition available for the types of all fields of a complete class.
185 lines
4.3 KiB
Plaintext
185 lines
4.3 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/class/export/field.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/class/export/field.carbon
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// --- field.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 x: i32;
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var y: i32;
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}
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inline Cpp '''
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void F() {
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Carbon::A a;
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a.x = 12;
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a.y = 34;
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}
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''';
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// --- field_inheritence.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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base class A {
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var x: i32;
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}
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class B {
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extend base: A;
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var y: i32;
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}
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inline Cpp '''
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void F() {
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Carbon::B b;
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b.x = 12;
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b.y = 34;
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}
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''';
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// --- class_field.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class ClassField {}
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class ClassWithClassField {
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var c: ClassField;
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}
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inline Cpp '''
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void g() {
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// In order for this to work, we need both class definitions to be exported to
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// Clang.
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Carbon::ClassWithClassField c;
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}
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''';
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// --- fail_nonexistent_field.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class A {}
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inline Cpp '''
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void F() {
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Carbon::A a;
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// CHECK:STDERR: fail_nonexistent_field.carbon:[[@LINE+4]]:5: error: no member named 'x' in 'Carbon::A' [CppInteropParseError]
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// CHECK:STDERR: 13 | a.x = 12;
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// CHECK:STDERR: | ~ ^
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// CHECK:STDERR:
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a.x = 12;
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// CHECK:STDERR: fail_nonexistent_field.carbon:[[@LINE+4]]:5: error: no member named 'y' in 'Carbon::A' [CppInteropParseError]
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// CHECK:STDERR: 18 | a.y = 34;
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// CHECK:STDERR: | ~ ^
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// CHECK:STDERR:
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a.y = 34;
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}
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''';
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// --- fail_unsupported_field_type.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class A {
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// CHECK:STDERR: fail_unsupported_field_type.carbon:[[@LINE+4]]:7: error: semantics TODO: `failed to map Carbon type to C++` [SemanticsTodo]
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// CHECK:STDERR: var x: ();
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR:
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var x: ();
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// CHECK:STDERR: fail_unsupported_field_type.carbon:[[@LINE+4]]:7: error: semantics TODO: `failed to map Carbon type to C++` [SemanticsTodo]
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// CHECK:STDERR: var y: ();
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR:
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var y: ();
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}
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inline Cpp '''
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void F() {
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Carbon::A a;
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// CHECK:STDERR: fail_unsupported_field_type.carbon:[[@LINE+4]]:5: error: no member named 'x' in 'Carbon::A' [CppInteropParseError]
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// CHECK:STDERR: 24 | a.x;
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// CHECK:STDERR: | ~ ^
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// CHECK:STDERR:
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a.x;
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// CHECK:STDERR: fail_unsupported_field_type.carbon:[[@LINE+4]]:5: error: no member named 'y' in 'Carbon::A' [CppInteropParseError]
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// CHECK:STDERR: 29 | a.y;
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// CHECK:STDERR: | ~ ^
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// CHECK:STDERR:
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a.y;
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}
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''';
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// --- fail_adapter.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class A {
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adapt ();
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}
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inline Cpp '''
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void F() {
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Carbon::A a;
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// CHECK:STDERR: fail_adapter.carbon:[[@LINE+4]]:5: error: no member named 'x' in 'Carbon::A' [CppInteropParseError]
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// CHECK:STDERR: 15 | a.x = 12;
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// CHECK:STDERR: | ~ ^
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// CHECK:STDERR:
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a.x = 12;
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}
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''';
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// --- fail_invalid.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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// This should not cause a crash.
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class A {
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// CHECK:STDERR: fail_invalid.carbon:[[@LINE+4]]:16: error: name `Whoops` not found [NameNotFound]
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// CHECK:STDERR: extend base: Whoops;
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// CHECK:STDERR: ^~~~~~
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// CHECK:STDERR:
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extend base: Whoops;
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}
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inline Cpp '''
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Carbon::A x;
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''';
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// --- fail_private_field.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class C {
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fn Make() -> C {
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return {.x = 123};
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}
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private var x: i32;
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}
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inline Cpp '''
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int F() {
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auto c = Carbon::C::Make();
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// CHECK:STDERR: fail_private_field.carbon:[[@LINE+7]]:12: error: 'x' is a private member of 'Carbon::C' [CppInteropParseError]
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// CHECK:STDERR: 22 | return c.x;
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// CHECK:STDERR: | ^
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// CHECK:STDERR: fail_private_field.carbon:[[@LINE-9]]:16: note: implicitly declared private here [CppInteropParseNote]
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// CHECK:STDERR: 9 | private var x: i32;
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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return c.x;
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}
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''';
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