f8d10d5ac9
Pull out common base class for formatting unit tests, removing duplicate code that accumulated over the years. Pull out macro expansion test into its own test file.
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
//===- unittest/Format/FormatTestUtils.h - Formatting unit tests ----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines utility functions for Clang-Format related tests.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_UNITTESTS_FORMAT_FORMATTESTUTILS_H
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#define LLVM_CLANG_UNITTESTS_FORMAT_FORMATTESTUTILS_H
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#include "clang/Format/Format.h"
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#include "llvm/ADT/StringRef.h"
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namespace clang {
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namespace format {
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namespace test {
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inline FormatStyle getGoogleStyle() {
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return getGoogleStyle(FormatStyle::LK_Cpp);
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}
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// When HandleHash is false, preprocessor directives starting with hash will not
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// be on separate lines. This is needed because Verilog uses hash for other
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// purposes.
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inline std::string messUp(llvm::StringRef Code, bool HandleHash = true) {
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std::string MessedUp(Code.str());
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bool InComment = false;
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bool InPreprocessorDirective = false;
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bool JustReplacedNewline = false;
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for (unsigned i = 0, e = MessedUp.size() - 1; i != e; ++i) {
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if (MessedUp[i] == '/' && MessedUp[i + 1] == '/') {
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if (JustReplacedNewline)
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MessedUp[i - 1] = '\n';
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InComment = true;
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} else if (HandleHash && MessedUp[i] == '#' &&
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(JustReplacedNewline || i == 0 || MessedUp[i - 1] == '\n')) {
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if (i != 0)
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MessedUp[i - 1] = '\n';
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InPreprocessorDirective = true;
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} else if (MessedUp[i] == '\\' && MessedUp[i + 1] == '\n') {
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MessedUp[i] = ' ';
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MessedUp[i + 1] = ' ';
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} else if (MessedUp[i] == '\n') {
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if (InComment) {
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InComment = false;
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} else if (InPreprocessorDirective) {
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InPreprocessorDirective = false;
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} else {
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JustReplacedNewline = true;
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MessedUp[i] = ' ';
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}
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} else if (MessedUp[i] != ' ') {
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JustReplacedNewline = false;
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}
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}
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std::string WithoutWhitespace;
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if (MessedUp[0] != ' ')
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WithoutWhitespace.push_back(MessedUp[0]);
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for (unsigned i = 1, e = MessedUp.size(); i != e; ++i)
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if (MessedUp[i] != ' ' || MessedUp[i - 1] != ' ')
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WithoutWhitespace.push_back(MessedUp[i]);
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return WithoutWhitespace;
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}
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} // end namespace test
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} // end namespace format
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} // end namespace clang
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#endif
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