[PATCH] D96123: [clangd] Expose actOnAllPArentDirectories helper
Kadir Cetinkaya via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Feb 5 05:05:25 PST 2021
kadircet created this revision.
kadircet added a reviewer: sammccall.
Herald added subscribers: usaxena95, arphaman.
kadircet requested review of this revision.
Herald added subscribers: cfe-commits, MaskRay, ilya-biryukov.
Herald added a project: clang.
Will be used in other components that need ancestor traversal.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D96123
Files:
clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
clang-tools-extra/clangd/support/Path.cpp
clang-tools-extra/clangd/support/Path.h
Index: clang-tools-extra/clangd/support/Path.h
===================================================================
--- clang-tools-extra/clangd/support/Path.h
+++ clang-tools-extra/clangd/support/Path.h
@@ -28,6 +28,10 @@
std::string maybeCaseFoldPath(PathRef Path);
bool pathEqual(PathRef, PathRef);
+// Runs the given action on all parent directories of filename, starting from
+// deepest directory and going up to root. Stops whenever action succeeds.
+void actOnAllParentDirectories(PathRef FileName,
+ llvm::function_ref<bool(PathRef)> Action);
} // namespace clangd
} // namespace clang
Index: clang-tools-extra/clangd/support/Path.cpp
===================================================================
--- clang-tools-extra/clangd/support/Path.cpp
+++ clang-tools-extra/clangd/support/Path.cpp
@@ -7,8 +7,27 @@
//===----------------------------------------------------------------------===//
#include "support/Path.h"
+#include "llvm/Support/Path.h"
+
namespace clang {
namespace clangd {
+namespace {
+// Variant of parent_path that operates only on absolute paths.
+PathRef absoluteParent(PathRef Path) {
+ assert(llvm::sys::path::is_absolute(Path));
+#if defined(_WIN32)
+ // llvm::sys says "C:\" is absolute, and its parent is "C:" which is relative.
+ // This unhelpful behavior seems to have been inherited from boost.
+ if (llvm::sys::path::relative_path(Path).empty()) {
+ return PathRef();
+ }
+#endif
+ PathRef Result = llvm::sys::path::parent_path(Path);
+ assert(Result.empty() || llvm::sys::path::is_absolute(Result));
+ return Result;
+}
+
+} // namespace
std::string maybeCaseFoldPath(PathRef Path) {
#if defined(_WIN32) || defined(__APPLE__)
@@ -26,5 +45,11 @@
#endif
}
+void actOnAllParentDirectories(PathRef FileName,
+ llvm::function_ref<bool(PathRef)> Action) {
+ for (auto Path = absoluteParent(FileName); !Path.empty() && !Action(Path);
+ Path = absoluteParent(Path))
+ ;
+}
} // namespace clangd
} // namespace clang
Index: clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
===================================================================
--- clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
+++ clang-tools-extra/clangd/GlobalCompilationDatabase.cpp
@@ -41,34 +41,6 @@
namespace clang {
namespace clangd {
-namespace {
-
-// Variant of parent_path that operates only on absolute paths.
-PathRef absoluteParent(PathRef Path) {
- assert(llvm::sys::path::is_absolute(Path));
-#if defined(_WIN32)
- // llvm::sys says "C:\" is absolute, and its parent is "C:" which is relative.
- // This unhelpful behavior seems to have been inherited from boost.
- if (llvm::sys::path::relative_path(Path).empty()) {
- return PathRef();
- }
-#endif
- PathRef Result = llvm::sys::path::parent_path(Path);
- assert(Result.empty() || llvm::sys::path::is_absolute(Result));
- return Result;
-}
-
-// Runs the given action on all parent directories of filename, starting from
-// deepest directory and going up to root. Stops whenever action succeeds.
-void actOnAllParentDirectories(PathRef FileName,
- llvm::function_ref<bool(PathRef)> Action) {
- for (auto Path = absoluteParent(FileName); !Path.empty() && !Action(Path);
- Path = absoluteParent(Path))
- ;
-}
-
-} // namespace
-
tooling::CompileCommand
GlobalCompilationDatabase::getFallbackCommand(PathRef File) const {
std::vector<std::string> Argv = {"clang"};
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