1 | //===--- Parsing.h - Parsing library for Transformer ------------*- C++ -*-===// |
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 | /// \file |
10 | /// Defines parsing functions for Transformer types. |
11 | /// FIXME: Currently, only supports `RangeSelectors` but parsers for other |
12 | /// Transformer types are under development. |
13 | /// |
14 | //===----------------------------------------------------------------------===// |
15 | |
16 | #ifndef LLVM_CLANG_TOOLING_TRANSFORMER_PARSING_H |
17 | #define LLVM_CLANG_TOOLING_TRANSFORMER_PARSING_H |
18 | |
19 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
20 | #include "clang/Basic/SourceLocation.h" |
21 | #include "clang/Tooling/Transformer/RangeSelector.h" |
22 | #include "llvm/Support/Error.h" |
23 | #include <functional> |
24 | |
25 | namespace clang { |
26 | namespace transformer { |
27 | |
28 | /// Parses a string representation of a \c RangeSelector. The grammar of these |
29 | /// strings is closely based on the (sub)grammar of \c RangeSelectors as they'd |
30 | /// appear in C++ code. However, this language constrains the set of permissible |
31 | /// strings (for node ids) -- it does not support escapes in the |
32 | /// string. Additionally, the \c charRange combinator is not supported, because |
33 | /// there is no representation of values of type \c CharSourceRange in this |
34 | /// (little) language. |
35 | llvm::Expected<RangeSelector> parseRangeSelector(llvm::StringRef Input); |
36 | |
37 | } // namespace transformer |
38 | } // namespace clang |
39 | |
40 | #endif // LLVM_CLANG_TOOLING_TRANSFORMER_PARSING_H |
41 | |