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https://github.com/carbon-language/carbon-lang.git
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Richard SmithandChandler Carruth
c588eadb57
Fix a bunch of cases where we use the same external name to mean multiple different things in the same test. We've historically gotten away with this, but under `--share-cpp-ast`, it becomes an error, at least if the entity is either defined in, or used from, C++ code. Assisted-by: Gemini via Antigravity (original change) and Claude Code (suggested edits in review) --------- Co-authored-by: Chandler Carruth <chandlerc@gmail.com>
114 lines
4.8 KiB
Plaintext
114 lines
4.8 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/function/export/array.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/function/export/array.carbon
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// --- array_value_param.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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fn FArrayValueParam(a: array(i32, 5)) -> i32 { return a[2]; }
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inline Cpp '''
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int GArrayValueParam() {
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int arr[5];
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//@dump-sem-ir-begin
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return Carbon::FArrayValueParam(arr);
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//@dump-sem-ir-end
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}
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int HArrayValueParam() {
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//@dump-sem-ir-begin
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return Carbon::FArrayValueParam({1, 2, 3, 4, 5});
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//@dump-sem-ir-end
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}
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''';
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// --- fail_todo_array_var_param.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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// We do not currently support C++ calls to functions with by-var array
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// parameters, as C++ does not have such parameters.
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// TODO: Support this, perhaps using Clang's `ArrayParameterType`, which is an
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// HLSL extension, or by mapping to a `std::array` parameter.
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// TODO: These diagnostics are very bad.
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// CHECK:STDERR: fail_todo_array_var_param.carbon:[[@LINE+8]]:1: error: semantics TODO: `by-var array parameter` [SemanticsTodo]
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// CHECK:STDERR: fn FArrayVarParam(var a: array(i32, 5)) -> i32 { return a[2]; }
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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// CHECK:STDERR: fail_todo_array_var_param.carbon:[[@LINE+4]]:1: error: semantics TODO: `failed to map C++ type to Carbon` [SemanticsTodo]
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// CHECK:STDERR: fn FArrayVarParam(var a: array(i32, 5)) -> i32 { return a[2]; }
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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fn FArrayVarParam(var a: array(i32, 5)) -> i32 { return a[2]; }
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inline Cpp '''
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int GArrayVarParam() {
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//@dump-sem-ir-begin
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// CHECK:STDERR: fail_todo_array_var_param.carbon:[[@LINE+15]]:10: error: no member named 'FArrayVarParam' in namespace 'Carbon'; did you mean 'GArrayVarParam'? [CppInteropParseError]
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// CHECK:STDERR: 39 | return Carbon::FArrayVarParam({1, 2, 3, 4, 5});
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// CHECK:STDERR: | ^~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR: | GArrayVarParam
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// CHECK:STDERR: fail_todo_array_var_param.carbon:[[@LINE-6]]:5: note: 'GArrayVarParam' declared here [CppInteropParseNote]
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// CHECK:STDERR: 22 | int GArrayVarParam() {
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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// CHECK:STDERR: fail_todo_array_var_param.carbon:[[@LINE+7]]:33: error: too many arguments to function call, expected 0, have 1 [CppInteropParseError]
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// CHECK:STDERR: 39 | return Carbon::FArrayVarParam({1, 2, 3, 4, 5});
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// CHECK:STDERR: | ~~~~~~~~~~~~~~ ^~~~~~~~~~~~~~~
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// CHECK:STDERR: fail_todo_array_var_param.carbon:[[@LINE-13]]:5: note: 'GArrayVarParam' declared here [CppInteropParseNote]
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// CHECK:STDERR: 22 | int GArrayVarParam() {
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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return Carbon::FArrayVarParam({1, 2, 3, 4, 5});
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//@dump-sem-ir-end
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}
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''';
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// --- fail_todo_array_return.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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// We do not currently support C++ calls to functions with array return
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// types, as C++ does not have such return types.
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// TODO: Support this, perhaps by returning a `std::array`.
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// CHECK:STDERR: fail_todo_array_return.carbon:[[@LINE+4]]:1: error: semantics TODO: `array return type` [SemanticsTodo]
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// CHECK:STDERR: fn FArrayReturn() -> array(i32, 5) {
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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fn FArrayReturn() -> array(i32, 5) {
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return (1, 2, 3, 4, 5);
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}
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inline Cpp '''
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int GArrayReturn() {
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// CHECK:STDERR: fail_todo_array_return.carbon:[[@LINE+8]]:16: error: no member named 'FArrayReturn' in namespace 'Carbon'; did you mean 'GArrayReturn'? [CppInteropParseError]
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// CHECK:STDERR: 27 | auto &&arr = Carbon::FArrayReturn();
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// CHECK:STDERR: | ^~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR: | GArrayReturn
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// CHECK:STDERR: fail_todo_array_return.carbon:[[@LINE-5]]:5: note: 'GArrayReturn' declared here [CppInteropParseNote]
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// CHECK:STDERR: 18 | int GArrayReturn() {
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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auto &&arr = Carbon::FArrayReturn();
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// CHECK:STDERR: fail_todo_array_return.carbon:[[@LINE+4]]:13: error: subscripted value is not an array, pointer, or vector [CppInteropParseError]
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// CHECK:STDERR: 32 | return arr[0];
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// CHECK:STDERR: | ~~~^~
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// CHECK:STDERR:
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return arr[0];
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}
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''';
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