[FileSystem] Remove GetPermissions() and Readable() from FileSpec

This patch removes the GetPermissions and GetReadable methods from
FileSpec and updates its uses with calls to the FileSystem.

Differential revision: https://reviews.llvm.org/D53831

llvm-svn: 345843

13 files changed, 17 insertions, 50 deletions

diff --git a/lldb/include/lldb/Utility/FileSpec.h b/lldb/include/lldb/Utility/FileSpec.h
index 467e7b6..a51ebf8 100644
--- a/lldb/include/lldb/Utility/FileSpec.h
+++ b/lldb/include/lldb/Utility/FileSpec.h
@@ -281,15 +281,6 @@ public:
   bool Exists() const;
 
   //------------------------------------------------------------------
-  /// Check if a file is readable by the current user
-  ///
-  /// @return
-  ///     \b true if the file exists on disk and is readable, \b false
-  ///     otherwise.
-  //------------------------------------------------------------------
-  bool Readable() const;
-
-  //------------------------------------------------------------------
   /// Expanded existence test.
   ///
   /// Call into the Host to see if it can help find the file (e.g. by
@@ -451,19 +442,6 @@ public:
   ConstString GetFileNameStrippingExtension() const;
 
   //------------------------------------------------------------------
-  /// Return the current permissions of the path.
-  ///
-  /// Returns a bitmask for the current permissions of the file ( zero or more
-  /// of the permission bits defined in File::Permissions).
-  ///
-  /// @return
-  ///     Zero if the file doesn't exist or we are unable to get
-  ///     information for the file, otherwise one or more permission
-  ///     bits from the File::Permissions enumeration.
-  //------------------------------------------------------------------
-  uint32_t GetPermissions() const;
-
-  //------------------------------------------------------------------
   /// Get the memory cost of this object.
   ///
   /// Return the size in bytes that this object takes in memory. This returns
diff --git a/lldb/source/API/SBPlatform.cpp b/lldb/source/API/SBPlatform.cpp
index 5f29f00..bce3fd7 100644
--- a/lldb/source/API/SBPlatform.cpp
+++ b/lldb/source/API/SBPlatform.cpp
@@ -364,7 +364,7 @@ SBError SBPlatform::Get(SBFileSpec &src, SBFileSpec &dst) {
 SBError SBPlatform::Put(SBFileSpec &src, SBFileSpec &dst) {
   return ExecuteConnected([&](const lldb::PlatformSP &platform_sp) {
     if (src.Exists()) {
-      uint32_t permissions = src.ref().GetPermissions();
+      uint32_t permissions = FileSystem::Instance().GetPermissions(src.ref());
       if (permissions == 0) {
         if (llvm::sys::fs::is_directory(src.ref().GetPath()))
           permissions = eFilePermissionsDirectoryDefault;
diff --git a/lldb/source/Commands/CommandObjectTarget.cpp b/lldb/source/Commands/CommandObjectTarget.cpp
index 134dd61..524df3a 100644
--- a/lldb/source/Commands/CommandObjectTarget.cpp
+++ b/lldb/source/Commands/CommandObjectTarget.cpp
@@ -280,7 +280,7 @@ protected:
         result.SetStatus(eReturnStatusFailed);
         return false;
       }
-      if (!core_file.Readable()) {
+      if (!FileSystem::Instance().Readable(core_file)) {
         result.AppendErrorWithFormat("core file '%s' is not readable",
                                      core_file.GetPath().c_str());
         result.SetStatus(eReturnStatusFailed);
@@ -292,7 +292,7 @@ protected:
       FileSpec symfile(m_symbol_file.GetOptionValue().GetCurrentValue());
       if (symfile) {
         if (symfile.Exists()) {
-          if (!symfile.Readable()) {
+          if (!FileSystem::Instance().Readable(symfile)) {
             result.AppendErrorWithFormat("symbol file '%s' is not readable",
                                          symfile.GetPath().c_str());
             result.SetStatus(eReturnStatusFailed);
@@ -405,7 +405,7 @@ protected:
           char core_path[PATH_MAX];
           core_file.GetPath(core_path, sizeof(core_path));
           if (core_file.Exists()) {
-            if (!core_file.Readable()) {
+            if (!FileSystem::Instance().Readable(core_file)) {
               result.AppendMessageWithFormat(
                   "Core file '%s' is not readable.\n", core_path);
               result.SetStatus(eReturnStatusFailed);
diff --git a/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
index f5ecb52..363745f 100644
--- a/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
@@ -2536,7 +2536,7 @@ bool RenderScriptRuntime::LoadAllocation(Stream &strm, const uint32_t alloc_id,
     return false;
   }
 
-  if (!file.Readable()) {
+  if (!FileSystem::Instance().Readable(file)) {
     strm.Printf("Error: File %s does not have readable permissions", path);
     strm.EOL();
     return false;
diff --git a/lldb/source/Plugins/Platform/MacOSX/PlatformAppleTVSimulator.cpp b/lldb/source/Plugins/Platform/MacOSX/PlatformAppleTVSimulator.cpp
index 0283284..72cac26 100644
--- a/lldb/source/Plugins/Platform/MacOSX/PlatformAppleTVSimulator.cpp
+++ b/lldb/source/Plugins/Platform/MacOSX/PlatformAppleTVSimulator.cpp
@@ -228,7 +228,7 @@ Status PlatformAppleTVSimulator::ResolveExecutable(
     }
 
     if (error.Fail() || !exe_module_sp) {
-      if (resolved_module_spec.GetFileSpec().Readable()) {
+      if (FileSystem::Instance().Readable(resolved_module_spec.GetFileSpec())) {
         error.SetErrorStringWithFormat(
             "'%s' doesn't contain any '%s' platform architectures: %s",
             resolved_module_spec.GetFileSpec().GetPath().c_str(),
diff --git a/lldb/source/Plugins/Platform/MacOSX/PlatformAppleWatchSimulator.cpp b/lldb/source/Plugins/Platform/MacOSX/PlatformAppleWatchSimulator.cpp
index 144a828..71dc807 100644
--- a/lldb/source/Plugins/Platform/MacOSX/PlatformAppleWatchSimulator.cpp
+++ b/lldb/source/Plugins/Platform/MacOSX/PlatformAppleWatchSimulator.cpp
@@ -228,7 +228,7 @@ Status PlatformAppleWatchSimulator::ResolveExecutable(
     }
 
     if (error.Fail() || !exe_module_sp) {
-      if (resolved_module_spec.GetFileSpec().Readable()) {
+      if (FileSystem::Instance().Readable(resolved_module_spec.GetFileSpec())) {
         error.SetErrorStringWithFormat(
             "'%s' doesn't contain any '%s' platform architectures: %s",
             resolved_module_spec.GetFileSpec().GetPath().c_str(),
diff --git a/lldb/source/Plugins/Platform/MacOSX/PlatformRemoteDarwinDevice.cpp b/lldb/source/Plugins/Platform/MacOSX/PlatformRemoteDarwinDevice.cpp
index 73c70e1..88a181b 100644
--- a/lldb/source/Plugins/Platform/MacOSX/PlatformRemoteDarwinDevice.cpp
+++ b/lldb/source/Plugins/Platform/MacOSX/PlatformRemoteDarwinDevice.cpp
@@ -119,7 +119,7 @@ Status PlatformRemoteDarwinDevice::ResolveExecutable(
     }
 
     if (error.Fail() || !exe_module_sp) {
-      if (resolved_module_spec.GetFileSpec().Readable()) {
+      if (FileSystem::Instance().Readable(resolved_module_spec.GetFileSpec())) {
         error.SetErrorStringWithFormat(
             "'%s' doesn't contain any '%s' platform architectures: %s",
             resolved_module_spec.GetFileSpec().GetPath().c_str(),
diff --git a/lldb/source/Plugins/Platform/MacOSX/PlatformiOSSimulator.cpp b/lldb/source/Plugins/Platform/MacOSX/PlatformiOSSimulator.cpp
index 2266bd4..af90f29 100644
--- a/lldb/source/Plugins/Platform/MacOSX/PlatformiOSSimulator.cpp
+++ b/lldb/source/Plugins/Platform/MacOSX/PlatformiOSSimulator.cpp
@@ -234,7 +234,7 @@ Status PlatformiOSSimulator::ResolveExecutable(
     }
 
     if (error.Fail() || !exe_module_sp) {
-      if (resolved_module_spec.GetFileSpec().Readable()) {
+      if (FileSystem::Instance().Readable(resolved_module_spec.GetFileSpec())) {
         error.SetErrorStringWithFormat(
             "'%s' doesn't contain any '%s' platform architectures: %s",
             resolved_module_spec.GetFileSpec().GetPath().c_str(),
diff --git a/lldb/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp b/lldb/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp
index 3cced0c..0016a5c 100644
--- a/lldb/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp
+++ b/lldb/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp
@@ -143,8 +143,8 @@ PlatformPOSIX::ResolveExecutable(const ModuleSpec &module_spec,
     if (resolved_module_spec.GetFileSpec().Exists())
       error.Clear();
     else {
-      const uint32_t permissions =
-          resolved_module_spec.GetFileSpec().GetPermissions();
+      const uint32_t permissions = FileSystem::Instance().GetPermissions(
+          resolved_module_spec.GetFileSpec());
       if (permissions && (permissions & eFilePermissionsEveryoneR) == 0)
         error.SetErrorStringWithFormat(
             "executable '%s' is not readable",
@@ -237,7 +237,8 @@ PlatformPOSIX::ResolveExecutable(const ModuleSpec &module_spec,
       }
 
       if (error.Fail() || !exe_module_sp) {
-        if (resolved_module_spec.GetFileSpec().Readable()) {
+        if (FileSystem::Instance().Readable(
+                resolved_module_spec.GetFileSpec())) {
           error.SetErrorStringWithFormat(
               "'%s' doesn't contain any '%s' platform architectures: %s",
               resolved_module_spec.GetFileSpec().GetPath().c_str(),
diff --git a/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp b/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
index 966d1c5..fd1a402 100644
--- a/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
+++ b/lldb/source/Plugins/Platform/Windows/PlatformWindows.cpp
@@ -262,7 +262,8 @@ Status PlatformWindows::ResolveExecutable(
       }
 
       if (error.Fail() || !exe_module_sp) {
-        if (resolved_module_spec.GetFileSpec().Readable()) {
+        if (FileSystem::Instance().Readable(
+                resolved_module_spec.GetFileSpec())) {
           error.SetErrorStringWithFormat(
               "'%s' doesn't contain any '%s' platform architectures: %s",
               resolved_module_spec.GetFileSpec().GetPath().c_str(),
diff --git a/lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp b/lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp
index 7f86d6d..1a9dc92 100644
--- a/lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp
+++ b/lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp
@@ -142,7 +142,7 @@ Status PlatformRemoteGDBServer::ResolveExecutable(
     }
 
     if (error.Fail() || !exe_module_sp) {
-      if (resolved_module_spec.GetFileSpec().Readable()) {
+      if (FileSystem::Instance().Readable(resolved_module_spec.GetFileSpec())) {
         error.SetErrorStringWithFormat(
             "'%s' doesn't contain any '%s' platform architectures: %s",
             resolved_module_spec.GetFileSpec().GetPath().c_str(),
diff --git a/lldb/source/Target/Platform.cpp b/lldb/source/Target/Platform.cpp
index 54d72b9..ff1cbce 100644
--- a/lldb/source/Target/Platform.cpp
+++ b/lldb/source/Target/Platform.cpp
@@ -709,7 +709,7 @@ Status Platform::Install(const FileSpec &src, const FileSpec &dst) {
     switch (fs::get_file_type(src.GetPath(), false)) {
     case fs::file_type::directory_file: {
       llvm::sys::fs::remove(fixed_dst.GetPath());
-      uint32_t permissions = src.GetPermissions();
+      uint32_t permissions = FileSystem::Instance().GetPermissions(src);
       if (permissions == 0)
         permissions = eFilePermissionsDirectoryDefault;
       error = MakeDirectory(fixed_dst, permissions);
diff --git a/lldb/source/Utility/FileSpec.cpp b/lldb/source/Utility/FileSpec.cpp
index f94f8dd..c41a0643 100644
--- a/lldb/source/Utility/FileSpec.cpp
+++ b/lldb/source/Utility/FileSpec.cpp
@@ -458,10 +458,6 @@ void FileSpec::Dump(Stream *s) const {
 //------------------------------------------------------------------
 bool FileSpec::Exists() const { return llvm::sys::fs::exists(GetPath()); }
 
-bool FileSpec::Readable() const {
-  return GetPermissions() & llvm::sys::fs::perms::all_read;
-}
-
 bool FileSpec::ResolveExecutableLocation() {
   // CLEANUP: Use StringRef for string handling.
   if (!m_directory) {
@@ -509,15 +505,6 @@ bool FileSpec::ResolvePath() {
 
 FileSpec::Style FileSpec::GetPathStyle() const { return m_style; }
 
-uint32_t FileSpec::GetPermissions() const {
-  namespace fs = llvm::sys::fs;
-  fs::file_status st;
-  if (fs::status(GetPath(), st, false))
-    return fs::perms::perms_not_known;
-
-  return st.permissions();
-}
-
 //------------------------------------------------------------------
 // Directory string get accessor.
 //------------------------------------------------------------------