File: PragmaCommentHandler.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (36 lines) | stat: -rw-r--r-- 1,267 bytes parent folder | download | duplicates (22)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
//===-- PragmaCommentHandler.cpp - find all symbols -----------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "PragmaCommentHandler.h"
#include "FindAllSymbols.h"
#include "HeaderMapCollector.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/Support/Regex.h"

namespace clang {
namespace find_all_symbols {
namespace {
const char IWYUPragma[] = "// IWYU pragma: private, include ";
} // namespace

bool PragmaCommentHandler::HandleComment(Preprocessor &PP, SourceRange Range) {
  StringRef Text =
      Lexer::getSourceText(CharSourceRange::getCharRange(Range),
                           PP.getSourceManager(), PP.getLangOpts());
  size_t Pos = Text.find(IWYUPragma);
  if (Pos == StringRef::npos)
    return false;
  StringRef RemappingFilePath = Text.substr(Pos + std::strlen(IWYUPragma));
  Collector->addHeaderMapping(
      PP.getSourceManager().getFilename(Range.getBegin()),
      RemappingFilePath.trim("\"<>"));
  return false;
}

} // namespace find_all_symbols
} // namespace clang