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//===- unittest/Format/FormatTestUtils.h - Formatting unit tests ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines utility functions for Clang-Format related tests.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_UNITTESTS_FORMAT_FORMATTESTUTILS_H
#define LLVM_CLANG_UNITTESTS_FORMAT_FORMATTESTUTILS_H
#include "llvm/ADT/StringRef.h"
namespace clang {
namespace format {
namespace test {
inline std::string messUp(llvm::StringRef Code) {
std::string MessedUp(Code.str());
bool InComment = false;
bool InPreprocessorDirective = false;
bool JustReplacedNewline = false;
for (unsigned i = 0, e = MessedUp.size() - 1; i != e; ++i) {
if (MessedUp[i] == '/' && MessedUp[i + 1] == '/') {
if (JustReplacedNewline)
MessedUp[i - 1] = '\n';
InComment = true;
} else if (MessedUp[i] == '#' && (JustReplacedNewline || i == 0)) {
if (i != 0)
MessedUp[i - 1] = '\n';
InPreprocessorDirective = true;
} else if (MessedUp[i] == '\\' && MessedUp[i + 1] == '\n') {
MessedUp[i] = ' ';
MessedUp[i + 1] = ' ';
} else if (MessedUp[i] == '\n') {
if (InComment) {
InComment = false;
} else if (InPreprocessorDirective) {
InPreprocessorDirective = false;
} else {
JustReplacedNewline = true;
MessedUp[i] = ' ';
}
} else if (MessedUp[i] != ' ') {
JustReplacedNewline = false;
}
}
std::string WithoutWhitespace;
if (MessedUp[0] != ' ')
WithoutWhitespace.push_back(MessedUp[0]);
for (unsigned i = 1, e = MessedUp.size(); i != e; ++i) {
if (MessedUp[i] != ' ' || MessedUp[i - 1] != ' ')
WithoutWhitespace.push_back(MessedUp[i]);
}
return WithoutWhitespace;
}
} // end namespace test
} // end namespace format
} // end namespace clang
#endif
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