diff options
author | Erik Verbruggen <erikjv@me.com> | 2017-12-06 09:02:52 +0000 |
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committer | Erik Verbruggen <erikjv@me.com> | 2017-12-06 09:02:52 +0000 |
commit | 0a795a46dcfa5d1e413d5ee1fafda620dedeeee1 (patch) | |
tree | afdea0c7f5dfa777783607f0802add8bb6c3e1f4 /tools | |
parent | e792818a7bc14878111ee3145ca030e24109a4f1 (diff) |
[libclang] Add function to get the buffer for a file
This can be used by clients in conjunction with an offset returned by
e.g. clang_getFileLocation. Now those clients do not need to also
open/read the file.
Differential Revision: https://reviews.llvm.org/D40643
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319881 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools')
-rw-r--r-- | tools/libclang/CIndex.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp index b2edd42cb0..49a1726ac5 100644 --- a/tools/libclang/CIndex.cpp +++ b/tools/libclang/CIndex.cpp @@ -4162,6 +4162,27 @@ CXFile clang_getFile(CXTranslationUnit TU, const char *file_name) { return const_cast<FileEntry *>(FMgr.getFile(file_name)); } +const char *clang_getFileContents(CXTranslationUnit TU, CXFile file, + size_t *size) { + if (isNotUsableTU(TU)) { + LOG_BAD_TU(TU); + return nullptr; + } + + const SourceManager &SM = cxtu::getASTUnit(TU)->getSourceManager(); + FileID fid = SM.translateFile(static_cast<FileEntry *>(file)); + bool Invalid = true; + llvm::MemoryBuffer *buf = SM.getBuffer(fid, &Invalid); + if (Invalid) { + if (size) + *size = 0; + return nullptr; + } + if (size) + *size = buf->getBufferSize(); + return buf->getBufferStart(); +} + unsigned clang_isFileMultipleIncludeGuarded(CXTranslationUnit TU, CXFile file) { if (isNotUsableTU(TU)) { |