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https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 21:50:14 +01:00
Richard Smith
047555bb1c
For certain kinds of error, clang's parser will succeed but produce an expression marked as "contains error". Clang's constant evaluator asserts if given one of those, so return early if we encounter one.
59 lines
2.4 KiB
Plaintext
59 lines
2.4 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/primitives.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/macros/invalid.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/macros/invalid.carbon
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// --- fail_macro_with_error.carbon
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library "[[@TEST_NAME]]";
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import Cpp inline '''
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// CHECK:STDERR: fail_macro_with_error.carbon:[[@LINE+4]]:1: error: unknown type name 'error' [CppInteropParseError]
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// CHECK:STDERR: 9 | error has_error;
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// CHECK:STDERR: | ^
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// CHECK:STDERR:
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error has_error;
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#define macro_with_error has_error.member
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''';
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fn F() {
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//@dump-sem-ir-begin
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// CHECK:STDERR: fail_macro_with_error.carbon:[[@LINE+11]]:3: error: failed to parse macro Cpp.macro_with_error to a valid constant expression [InCppMacroEvaluation]
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// CHECK:STDERR: Cpp.macro_with_error;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR: fail_macro_with_error.carbon:[[@LINE+8]]:3: note: in `Cpp` name lookup for `macro_with_error` [InCppNameLookup]
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// CHECK:STDERR: Cpp.macro_with_error;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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// CHECK:STDERR: fail_macro_with_error.carbon:[[@LINE+4]]:3: error: member name `macro_with_error` not found in `Cpp` [MemberNameNotFoundInInstScope]
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// CHECK:STDERR: Cpp.macro_with_error;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR:
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Cpp.macro_with_error;
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//@dump-sem-ir-end
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}
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// CHECK:STDOUT: --- fail_macro_with_error.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Cpp: <namespace> = namespace file.%Cpp.import_cpp, [concrete] {
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// CHECK:STDOUT: .macro_with_error = <poisoned>
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// CHECK:STDOUT: import Cpp//...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Cpp.ref: <namespace> = name_ref Cpp, imports.%Cpp [concrete = imports.%Cpp]
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// CHECK:STDOUT: %macro_with_error.ref: <error> = name_ref macro_with_error, <error> [concrete = <error>]
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// CHECK:STDOUT: <elided>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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