vedgy updated this revision to Diff 481913.
vedgy edited the summary of this revision.
vedgy added a comment.
Extract identical code from the two Path.inc files into Path.cpp
One of the Path.inc files is #include-d into this Path.cpp file and nowhere
else.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D139774/new/
https://reviews.llvm.org/D139774
Files:
clang/docs/ReleaseNotes.rst
clang/include/clang-c/Index.h
clang/tools/libclang/CIndex.cpp
clang/tools/libclang/libclang.map
llvm/include/llvm/Support/Path.h
llvm/lib/Support/Path.cpp
llvm/lib/Support/Unix/Path.inc
llvm/lib/Support/Windows/Path.inc
llvm/unittests/Support/Path.cpp
Index: llvm/unittests/Support/Path.cpp
===================================================================
--- llvm/unittests/Support/Path.cpp
+++ llvm/unittests/Support/Path.cpp
@@ -591,6 +591,26 @@
EXPECT_TRUE(!TempDir.empty());
}
+TEST(Support, SetTempDirectory) {
+ SmallString<64> DefaultTempDir;
+ path::system_temp_directory(true, DefaultTempDir);
+ EXPECT_TRUE(!DefaultTempDir.empty());
+
+ auto CustomTempDir = DefaultTempDir;
+ path::append(CustomTempDir, "/llvm/test_temp_dir");
+ path::native(CustomTempDir);
+ path::set_system_temp_directory_erased_on_reboot(CustomTempDir.c_str());
+
+ SmallString<64> TempDir;
+ path::system_temp_directory(true, TempDir);
+ EXPECT_EQ(CustomTempDir, TempDir);
+
+ path::set_system_temp_directory_erased_on_reboot(nullptr);
+ TempDir.clear();
+ path::system_temp_directory(true, TempDir);
+ EXPECT_EQ(DefaultTempDir, TempDir);
+}
+
#ifdef _WIN32
static std::string path2regex(std::string Path) {
size_t Pos = 0;
Index: llvm/lib/Support/Windows/Path.inc
===================================================================
--- llvm/lib/Support/Windows/Path.inc
+++ llvm/lib/Support/Windows/Path.inc
@@ -1472,11 +1472,16 @@
(void)ErasedOnReboot;
Result.clear();
+ if (tempDirErasedOnRebootUtf8) {
+ const auto len = strlen(tempDirErasedOnRebootUtf8);
+ Result.append(tempDirErasedOnRebootUtf8, tempDirErasedOnRebootUtf8 + len);
+ }
+
// Check whether the temporary directory is specified by an environment var.
// This matches GetTempPath logic to some degree. GetTempPath is not used
// directly as it cannot handle evn var longer than 130 chars on Windows 7
// (fixed on Windows 8).
- if (getTempDirEnvVar(Result)) {
+ if (!Result.empty() || getTempDirEnvVar(Result)) {
assert(!Result.empty() && "Unexpected empty path");
native(Result); // Some Unix-like shells use Unix path separator in $TMP.
fs::make_absolute(Result); // Make it absolute if not already.
Index: llvm/lib/Support/Unix/Path.inc
===================================================================
--- llvm/lib/Support/Unix/Path.inc
+++ llvm/lib/Support/Unix/Path.inc
@@ -1451,8 +1451,11 @@
Result.clear();
if (ErasedOnReboot) {
+ const char *RequestedDir = tempDirErasedOnRebootUtf8;
// There is no env variable for the cache directory.
- if (const char *RequestedDir = getEnvTempDir()) {
+ if (!RequestedDir)
+ RequestedDir = getEnvTempDir();
+ if (RequestedDir) {
Result.append(RequestedDir, RequestedDir + strlen(RequestedDir));
return;
}
Index: llvm/lib/Support/Path.cpp
===================================================================
--- llvm/lib/Support/Path.cpp
+++ llvm/lib/Support/Path.cpp
@@ -780,6 +780,12 @@
return true;
}
+static const char *tempDirErasedOnRebootUtf8 = nullptr;
+
+void set_system_temp_directory_erased_on_reboot(const char *tempDirUtf8) {
+ tempDirErasedOnRebootUtf8 = tempDirUtf8;
+}
+
} // end namespace path
namespace fs {
Index: llvm/include/llvm/Support/Path.h
===================================================================
--- llvm/include/llvm/Support/Path.h
+++ llvm/include/llvm/Support/Path.h
@@ -412,6 +412,16 @@
/// @param result Holds the resulting path name.
void system_temp_directory(bool erasedOnReboot, SmallVectorImpl<char> &result);
+/// Override the temporary directory path returned by
+/// system_temp_directory(true, result).
+///
+/// @param tempDirUtf8 UTF-8-encoded path to the desired temporary directory.
+/// The pointer is owned by the caller and must be always valid. Pass nullptr to
+/// this function in order to reset the temporary directory to the default value
+/// from the environment. Such a resetting should be done before deleting a
+/// tempDirUtf8 pointer previously passed to this function.
+void set_system_temp_directory_erased_on_reboot(const char *tempDirUtf8);
+
/// Get the user's home directory.
///
/// @param result Holds the resulting path name.
Index: clang/tools/libclang/libclang.map
===================================================================
--- clang/tools/libclang/libclang.map
+++ clang/tools/libclang/libclang.map
@@ -407,6 +407,7 @@
LLVM_16 {
global:
+ clang_setTemporaryDirectory;
clang_getUnqualifiedType;
clang_getNonReferenceType;
clang_CXXMethod_isDeleted;
Index: clang/tools/libclang/CIndex.cpp
===================================================================
--- clang/tools/libclang/CIndex.cpp
+++ clang/tools/libclang/CIndex.cpp
@@ -48,6 +48,7 @@
#include "llvm/Support/Format.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Support/SaveAndRestore.h"
#include "llvm/Support/Signals.h"
@@ -3637,6 +3638,12 @@
static llvm::ManagedStatic<RegisterFatalErrorHandler>
RegisterFatalErrorHandlerOnce;
+void clang_setTemporaryDirectory(const char *tempDirUtf8) {
+ // libclang uses only erased-on-reboot temporary directory, so only it needs
+ // to be set here.
+ llvm::sys::path::set_system_temp_directory_erased_on_reboot(tempDirUtf8);
+}
+
CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
int displayDiagnostics) {
// We use crash recovery to make some of our APIs more reliable, implicitly
Index: clang/include/clang-c/Index.h
===================================================================
--- clang/include/clang-c/Index.h
+++ clang/include/clang-c/Index.h
@@ -34,7 +34,7 @@
* compatible, thus CINDEX_VERSION_MAJOR is expected to remain stable.
*/
#define CINDEX_VERSION_MAJOR 0
-#define CINDEX_VERSION_MINOR 62
+#define CINDEX_VERSION_MINOR 63
#define CINDEX_VERSION_ENCODE(major, minor) (((major)*10000) + ((minor)*1))
@@ -69,6 +69,17 @@
* @{
*/
+/**
+ * Override the temporary directory path used by Clang.
+ *
+ * \param tempDirUtf8 UTF-8-encoded path to the desired temporary directory.
+ * The pointer is owned by the caller and must be always valid. Pass nullptr to
+ * this function in order to reset the temporary directory to the default value
+ * from the environment. Such a resetting should be done before deleting a
+ * tempDirUtf8 pointer previously passed to this function.
+ */
+CINDEX_LINKAGE void clang_setTemporaryDirectory(const char *tempDirUtf8);
+
/**
* An "index" that consists of a set of translation units that would
* typically be linked together into an executable or library.
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -859,6 +859,8 @@
- Introduced the new function ``clang_CXXMethod_isMoveAssignmentOperator``,
which identifies whether a method cursor is a move-assignment
operator.
+- Introduced the new function ``clang_setTemporaryDirectory``,
+ which allows to override the temporary directory path used by Clang.
- ``clang_Cursor_getNumTemplateArguments``, ``clang_Cursor_getTemplateArgumentKind``,
``clang_Cursor_getTemplateArgumentType``, ``clang_Cursor_getTemplateArgumentValue`` and
``clang_Cursor_getTemplateArgumentUnsignedValue`` now work on struct, class,
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