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carbon-lang/toolchain/check/testdata/interop/cpp/no_prelude/cpp_diagnostics.carbon
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Boaz Brickner 5b70a3ea91 Generate AST when importing a cpp file (#4790) 
Ignore the AST and support a single Cpp import, for now.
Report cpp compilation errors and warnings.
Part of #4666
2025-01-14 20:45:50 +00:00

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// 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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interop/cpp/no_prelude/cpp_diagnostics.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interop/cpp/no_prelude/cpp_diagnostics.carbon
// --- one_error.h
#error "error1"
// --- fail_import_cpp_file_with_one_error.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_import_cpp_file_with_one_error.carbon:[[@LINE+8]]:1: error: 1 error and 0 warnings in `Cpp` import `one_error.h`:
// CHECK:STDERR: one_error.h:2:2: error: "error1"
// CHECK:STDERR: 2 | #error "error1"
// CHECK:STDERR: | ^
// CHECK:STDERR: [CppInteropParseError]
// CHECK:STDERR: import Cpp library "one_error.h";
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Cpp library "one_error.h";
// --- multiple_errors.h
#error "error1"
#error "error2"
// --- fail_import_cpp_file_with_multiple_errors.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_import_cpp_file_with_multiple_errors.carbon:[[@LINE+11]]:1: error: 2 errors and 0 warnings in `Cpp` import `multiple_errors.h`:
// CHECK:STDERR: multiple_errors.h:2:2: error: "error1"
// CHECK:STDERR: 2 | #error "error1"
// CHECK:STDERR: | ^
// CHECK:STDERR: multiple_errors.h:3:2: error: "error2"
// CHECK:STDERR: 3 | #error "error2"
// CHECK:STDERR: | ^
// CHECK:STDERR: [CppInteropParseError]
// CHECK:STDERR: import Cpp library "multiple_errors.h";
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Cpp library "multiple_errors.h";
// --- one_warning.h
#warning "warning1"
// --- import_cpp_file_with_one_warning.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: import_cpp_file_with_one_warning.carbon:[[@LINE+8]]:1: warning: 1 warning in `Cpp` import `one_warning.h`:
// CHECK:STDERR: one_warning.h:2:2: warning: "warning1"
// CHECK:STDERR: 2 | #warning "warning1"
// CHECK:STDERR: | ^
// CHECK:STDERR: [CppInteropParseWarning]
// CHECK:STDERR: import Cpp library "one_warning.h";
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Cpp library "one_warning.h";
// --- multiple_warnings.h
#warning "warning1"
#warning "warning2"
#warning "warning3"
// --- import_cpp_file_with_multiple_warnings.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: import_cpp_file_with_multiple_warnings.carbon:[[@LINE+14]]:1: warning: 3 warnings in `Cpp` import `multiple_warnings.h`:
// CHECK:STDERR: multiple_warnings.h:2:2: warning: "warning1"
// CHECK:STDERR: 2 | #warning "warning1"
// CHECK:STDERR: | ^
// CHECK:STDERR: multiple_warnings.h:3:2: warning: "warning2"
// CHECK:STDERR: 3 | #warning "warning2"
// CHECK:STDERR: | ^
// CHECK:STDERR: multiple_warnings.h:4:2: warning: "warning3"
// CHECK:STDERR: 4 | #warning "warning3"
// CHECK:STDERR: | ^
// CHECK:STDERR: [CppInteropParseWarning]
// CHECK:STDERR: import Cpp library "multiple_warnings.h";
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Cpp library "multiple_warnings.h";
// --- one_error_and_one_warning.h
#error "error1"
#warning "warning1"
// --- fail_import_cpp_file_with_one_error_and_one_warning.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_import_cpp_file_with_one_error_and_one_warning.carbon:[[@LINE+11]]:1: error: 1 error and 1 warning in `Cpp` import `one_error_and_one_warning.h`:
// CHECK:STDERR: one_error_and_one_warning.h:2:2: error: "error1"
// CHECK:STDERR: 2 | #error "error1"
// CHECK:STDERR: | ^
// CHECK:STDERR: one_error_and_one_warning.h:3:2: warning: "warning1"
// CHECK:STDERR: 3 | #warning "warning1"
// CHECK:STDERR: | ^
// CHECK:STDERR: [CppInteropParseError]
// CHECK:STDERR: import Cpp library "one_error_and_one_warning.h";
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
import Cpp library "one_error_and_one_warning.h";
// --- multiple_errors_and_multiple_warnings.h
#error "error1"
#error "error2"
#warning "warning1"
#warning "warning2"
#warning "warning3"
// --- fail_import_cpp_file_with_multiple_errors_and_multiple_warnings.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_import_cpp_file_with_multiple_errors_and_multiple_warnings.carbon:[[@LINE+19]]:1: error: 2 errors and 3 warnings in `Cpp` import `multiple_errors_and_multiple_warnings.h`:
// CHECK:STDERR: multiple_errors_and_multiple_warnings.h:2:2: error: "error1"
// CHECK:STDERR: 2 | #error "error1"
// CHECK:STDERR: | ^
// CHECK:STDERR: multiple_errors_and_multiple_warnings.h:3:2: error: "error2"
// CHECK:STDERR: 3 | #error "error2"
// CHECK:STDERR: | ^
// CHECK:STDERR: multiple_errors_and_multiple_warnings.h:4:2: warning: "warning1"
// CHECK:STDERR: 4 | #warning "warning1"
// CHECK:STDERR: | ^
// CHECK:STDERR: multiple_errors_and_multiple_warnings.h:5:2: warning: "warning2"
// CHECK:STDERR: 5 | #warning "warning2"
// CHECK:STDERR: | ^
// CHECK:STDERR: multiple_errors_and_multiple_warnings.h:6:2: warning: "warning3"
// CHECK:STDERR: 6 | #warning "warning3"
// CHECK:STDERR: | ^
// CHECK:STDERR: [CppInteropParseError]
// CHECK:STDERR: import Cpp library "multiple_errors_and_multiple_warnings.h";
// CHECK:STDERR: ^~~~~~
import Cpp library "multiple_errors_and_multiple_warnings.h";
// CHECK:STDOUT: --- fail_import_cpp_file_with_one_error.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_cpp_file_with_multiple_errors.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_cpp_file_with_one_warning.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- import_cpp_file_with_multiple_warnings.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_cpp_file_with_one_error_and_one_warning.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_import_cpp_file_with_multiple_errors_and_multiple_warnings.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
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