| 1 | //===- unittests/Driver/SimpleDiagnosticConsumer.h ------------------------===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | // |
|---|
| 9 | // Simple diagnostic consumer to grab up diagnostics for testing. |
|---|
| 10 | // |
|---|
| 11 | //===----------------------------------------------------------------------===// |
|---|
| 12 | |
|---|
| 13 | #ifndef CLANG_UNITTESTS_SIMPLEDIAGNOSTICCONSUMER_H |
|---|
| 14 | #define CLANG_UNITTESTS_SIMPLEDIAGNOSTICCONSUMER_H |
|---|
| 15 | |
|---|
| 16 | #include "clang/Driver/Driver.h" |
|---|
| 17 | #include "clang/Basic/Diagnostic.h" |
|---|
| 18 | #include "llvm/ADT/SmallString.h" |
|---|
| 19 | #include "llvm/Support/VirtualFileSystem.h" |
|---|
| 20 | |
|---|
| 21 | struct SimpleDiagnosticConsumer : public clang::DiagnosticConsumer { |
|---|
| 22 | void HandleDiagnostic(clang::DiagnosticsEngine::Level DiagLevel, |
|---|
| 23 | const clang::Diagnostic &Info) override { |
|---|
| 24 | if (DiagLevel == clang::DiagnosticsEngine::Level::Error) { |
|---|
| 25 | Errors.emplace_back(); |
|---|
| 26 | Info.FormatDiagnostic(OutStr&: Errors.back()); |
|---|
| 27 | } else { |
|---|
| 28 | Msgs.emplace_back(); |
|---|
| 29 | Info.FormatDiagnostic(OutStr&: Msgs.back()); |
|---|
| 30 | } |
|---|
| 31 | } |
|---|
| 32 | void clear() override { |
|---|
| 33 | Msgs.clear(); |
|---|
| 34 | Errors.clear(); |
|---|
| 35 | DiagnosticConsumer::clear(); |
|---|
| 36 | } |
|---|
| 37 | std::vector<llvm::SmallString<32>> Msgs; |
|---|
| 38 | std::vector<llvm::SmallString<32>> Errors; |
|---|
| 39 | }; |
|---|
| 40 | |
|---|
| 41 | // Using SimpleDiagnosticConsumer, this function makes a clang Driver, suitable |
|---|
| 42 | // for testing situations where it will only ever be used for emitting |
|---|
| 43 | // diagnostics, such as being passed to `MultilibSet::select`. |
|---|
| 44 | inline clang::driver::Driver diagnostic_test_driver() { |
|---|
| 45 | llvm::IntrusiveRefCntPtr<clang::DiagnosticIDs> DiagID( |
|---|
| 46 | new clang::DiagnosticIDs()); |
|---|
| 47 | llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem( |
|---|
| 48 | new llvm::vfs::InMemoryFileSystem); |
|---|
| 49 | auto *DiagConsumer = new SimpleDiagnosticConsumer; |
|---|
| 50 | clang::DiagnosticOptions DiagOpts; |
|---|
| 51 | clang::DiagnosticsEngine Diags(DiagID, DiagOpts, DiagConsumer); |
|---|
| 52 | return clang::driver::Driver("/bin/clang" , "" , Diags, "" , InMemoryFileSystem); |
|---|
| 53 | } |
|---|
| 54 | |
|---|
| 55 | #endif // CLANG_UNITTESTS_SIMPLEDIAGNOSTICCONSUMER_H |
|---|
| 56 | |
|---|
