[Reproducer] Add reproducer dump command.

This adds a reproducer dump commands which makes it possible to inspect
a reproducer from inside LLDB. Currently it supports the Files, Commands
and Version providers. I'm planning to add support for the GDB Remote
provider in a follow-up patch.

Differential revision: https://reviews.llvm.org/D67474

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@371909 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/VirtualFileSystem.h b/include/llvm/Support/VirtualFileSystem.h
index 31c9e851daed9c643b48da185c98919a00d7f813..627831ea7cb377b24e63c45f41eedebe60c5dbbc 100644 (file)
--- a/include/llvm/Support/VirtualFileSystem.h
+++ b/include/llvm/Support/VirtualFileSystem.h
@@ -730,9 +730,10 @@ public:
 
   StringRef getExternalContentsPrefixDir() const;
 
+  void dump(raw_ostream &OS) const;
+  void dumpEntry(raw_ostream &OS, Entry *E, int NumSpaces = 0) const;
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
   LLVM_DUMP_METHOD void dump() const;
-  LLVM_DUMP_METHOD void dumpEntry(Entry *E, int NumSpaces = 0) const;
 #endif
 };
 

diff --git a/lib/Support/VirtualFileSystem.cpp b/lib/Support/VirtualFileSystem.cpp
index e4197c18cc99cd3f26a1b09ce29660573e61115b..f4b77fc3145e6aeb21b30def35c904c63d4479a1 100644 (file)
--- a/lib/Support/VirtualFileSystem.cpp
+++ b/lib/Support/VirtualFileSystem.cpp
@@ -1082,20 +1082,19 @@ StringRef RedirectingFileSystem::getExternalContentsPrefixDir() const {
   return ExternalContentsPrefixDir;
 }
 
-#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-LLVM_DUMP_METHOD void RedirectingFileSystem::dump() const {
+void RedirectingFileSystem::dump(raw_ostream &OS) const {
   for (const auto &Root : Roots)
-    dumpEntry(Root.get());
+    dumpEntry(OS, Root.get());
 }
 
-LLVM_DUMP_METHOD void
-RedirectingFileSystem::dumpEntry(RedirectingFileSystem::Entry *E,
-                                 int NumSpaces) const {
+void RedirectingFileSystem::dumpEntry(raw_ostream &OS,
+                                      RedirectingFileSystem::Entry *E,
+                                      int NumSpaces) const {
   StringRef Name = E->getName();
   for (int i = 0, e = NumSpaces; i < e; ++i)
-    dbgs() << " ";
-  dbgs() << "'" << Name.str().c_str() << "'"
-         << "\n";
+    OS << " ";
+  OS << "'" << Name.str().c_str() << "'"
+     << "\n";
 
   if (E->getKind() == RedirectingFileSystem::EK_Directory) {
     auto *DE = dyn_cast<RedirectingFileSystem::RedirectingDirectoryEntry>(E);
@@ -1103,9 +1102,12 @@ RedirectingFileSystem::dumpEntry(RedirectingFileSystem::Entry *E,
 
     for (std::unique_ptr<Entry> &SubEntry :
          llvm::make_range(DE->contents_begin(), DE->contents_end()))
-      dumpEntry(SubEntry.get(), NumSpaces + 2);
+      dumpEntry(OS, SubEntry.get(), NumSpaces + 2);
   }
 }
+
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+LLVM_DUMP_METHOD void RedirectingFileSystem::dump() const { dump(dbgs()); }
 #endif
 
 /// A helper class to hold the common YAML parsing state.