Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===--- Parsing.h - Parsing library for Transformer ------------*- C++ -*-===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

///

///  \file

///  Defines parsing functions for Transformer types.

///  FIXME: Currently, only supports `RangeSelectors` but parsers for other

///  Transformer types are under development.

///

//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_TOOLING_TRANSFORMER_PARSING_H

#define LLVM_CLANG_TOOLING_TRANSFORMER_PARSING_H

#include "clang/ASTMatchers/ASTMatchFinder.h"

#include "clang/Basic/SourceLocation.h"

#include "clang/Tooling/Transformer/RangeSelector.h"

#include "llvm/Support/Error.h"

#include <functional>

namespace clang {

namespace transformer {

/// Parses a string representation of a \c RangeSelector. The grammar of these

/// strings is closely based on the (sub)grammar of \c RangeSelectors as they'd

/// appear in C++ code. However, this language constrains the set of permissible

/// strings (for node ids) -- it does not support escapes in the

/// string. Additionally, the \c charRange combinator is not supported, because

/// there is no representation of values of type \c CharSourceRange in this

/// (little) language.

llvm::Expected<RangeSelector> parseRangeSelector(llvm::StringRef Input);

} // namespace transformer

} // namespace clang

#endif // LLVM_CLANG_TOOLING_TRANSFORMER_PARSING_H