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llvm-project/clang
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Fangrui Song e46ac5fb9d [libclang] Add clang_File_tryGetRealPathName 
Summary:
clang_getFileName() may return a path relative to WorkingDir.
On Arch Linux, during clang_indexTranslationUnit(), clang_getFileName() on
CXIdxIncludedIncludedFileInfo::file may return
"/../lib64/gcc/x86_64-pc-linux-gnu/7.3.0/../../../../include/c++/7.3.0/string",
for `#include <string>`.

I presume WorkingDir is somehow changed to /usr/lib or /usr/include and
clang_getFileName() returns a path relative to WorkingDir.

clang_File_tryGetRealPathName() returns "/usr/include/c++/7.3.0/string"
which is more useful for the indexer in this case.

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D42893

llvm-svn: 329515
 		2018-04-07 20:50:35 +00:00
..
INPUTS
…
bindings Fix typos in clang 2018-04-06 15:14:32 +00:00
cmake Fix typos in clang 2018-04-06 15:14:32 +00:00
docs [Sema] Extend -Wself-assign and -Wself-assign-field to warn on overloaded self-assignment (classes) 2018-04-07 10:39:21 +00:00
examples clang-interpreter example cmake fix 2018-03-21 12:05:19 +00:00
include [libclang] Add clang_File_tryGetRealPathName 2018-04-07 20:50:35 +00:00
lib Generalize the swiftcall API since being passed indirectly isn't 2018-04-07 20:16:47 +00:00
runtime [clang] Use add_llvm_install_targets 2017-11-30 22:35:02 +00:00
test [Driver] Update GCC libraries detection logic for Gentoo. 2018-04-07 19:59:58 +00:00
tools [libclang] Add clang_File_tryGetRealPathName 2018-04-07 20:50:35 +00:00
unittests [libclang] Add clang_File_tryGetRealPathName 2018-04-07 20:50:35 +00:00
utils Fix typos in clang 2018-04-06 15:14:32 +00:00
www Fix typos in clang 2018-04-06 15:14:32 +00:00
.arcconfig [clang] Set up .arcconfig to point to new Diffusion C repository 2017-11-27 17:21:24 +00:00
.clang-format
…
.clang-tidy Backport changes from llvm/.clang_tidy to clang/.clang_tidy configs 2018-03-20 14:39:12 +00:00
.gitignore
…
CMakeLists.txt CMake option to allow enabling experimental new pass manager by default 2018-04-06 00:53:00 +00:00
CODE_OWNERS.TXT Change code owner for Clang Static Analyzer to Devin Coughlin. 2017-11-17 23:19:04 +00:00
INSTALL.txt
…
LICENSE.TXT
…
ModuleInfo.txt
…
NOTES.txt
…
README.txt Test commit 2017-10-21 16:03:17 +00:00

README.txt 

//===----------------------------------------------------------------------===//
// C Language Family Front-end
//===----------------------------------------------------------------------===//

Welcome to Clang.  This is a compiler front-end for the C family of languages
(C, C++, Objective-C, and Objective-C++) which is built as part of the LLVM
compiler infrastructure project.

Unlike many other compiler frontends, Clang is useful for a number of things
beyond just compiling code: we intend for Clang to be host to a number of
different source-level tools.  One example of this is the Clang Static Analyzer.

If you're interested in more (including how to build Clang) it is best to read
the relevant web sites.  Here are some pointers:

Information on Clang:             http://clang.llvm.org/
Building and using Clang:         http://clang.llvm.org/get_started.html
Clang Static Analyzer:            http://clang-analyzer.llvm.org/
Information on the LLVM project:  http://llvm.org/

If you have questions or comments about Clang, a great place to discuss them is
on the Clang development mailing list:
  http://lists.llvm.org/mailman/listinfo/cfe-dev

If you find a bug in Clang, please file it in the LLVM bug tracker:
  http://llvm.org/bugs/