[clang-doc] Fix use of source-root flag

The value, if any, of --source-root flag was not being used.
This has been fixed and the logic was moved to the ClangDocContext
contructor.

Differential revision: https://reviews.llvm.org/D66268

llvm-svn: 369065

1 files changed, 1 insertions, 7 deletions

diff --git a/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp b/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp
index e569d89ed8f..5cb6e9e672d 100644
--- a/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp
+++ b/clang-tools-extra/clang-doc/tool/ClangDocMain.cpp
@@ -203,17 +203,11 @@ int main(int argc, const char **argv) {
                                   tooling::ArgumentInsertPosition::END),
         ArgAdjuster);
 
-  llvm::SmallString<128> SourceRootDir;
-  // Check if the --source-root flag has a value
-  if (SourceRoot.empty())
-    // If it's empty the current path is used as the default
-    llvm::sys::fs::current_path(SourceRootDir);
-
   clang::doc::ClangDocContext CDCtx = {
       Exec->get()->getExecutionContext(),
       PublicOnly,
       OutDirectory,
-      SourceRootDir.str(),
+      SourceRoot,
       RepositoryUrl,
       {UserStylesheets.begin(), UserStylesheets.end()},
       {"index.js", "index_json.js"}};