CAS configuration

Author: cachemeifyoucan

lldb/include/lldb/Core/ModuleList.h

@@ -100,6 +100,12 @@ class ModuleListProperties : public Properties {
   bool GetSwiftEnableASTContext() const;
   // END SWIFT
 
+  // START CAS
+  FileSpec GetCASOnDiskPath() const;
+  FileSpec GetCASPluginPath() const;
+  std::vector<std::pair<std::string, std::string>> GetCASPluginOptions() const;
+  // END CAS
+
   FileSpec GetClangModulesCachePath() const;
   bool SetClangModulesCachePath(const FileSpec &path);
   bool GetEnableExternalLookup() const;

lldb/source/Core/CoreProperties.td

@@ -74,6 +74,19 @@ let Definition = "modulelist" in {
     DefaultTrue,
     Desc<"Enable instantiating Swift AST contexts.">;
 // END SWIFT
+// BEGIN CAS
+  def CASOnDiskPath: Property<"cas-path", "FileSpec">,
+    Global,
+    DefaultStringValue<"">,
+    Desc<"The path for CAS storage">;
+  def CASPluginPath: Property<"cas-plugin-path", "FileSpec">,
+    Global,
+    DefaultStringValue<"">,
+    Desc<"The path for CAS plugin dynamic library">;
+  def CASPluginOptions: Property<"cas-plugin-options", "Array">,
+    ElementType<"String">,
+    Desc<"A list of options to be passed to CAS plugins">;
+// END CAS
   def SymLinkPaths: Property<"debug-info-symlink-paths", "FileSpecList">,
     Global,
     DefaultStringValue<"">,

lldb/source/Core/ModuleList.cpp

@@ -282,6 +282,32 @@ bool ModuleListProperties::GetSwiftEnableASTContext() const {
 }
 // END SWIFT
 
+// START CAS
+FileSpec ModuleListProperties::GetCASOnDiskPath() const {
+  const uint32_t idx = ePropertyCASOnDiskPath;
+  return GetPropertyAtIndexAs<FileSpec>(idx, {});
+}
+
+FileSpec ModuleListProperties::GetCASPluginPath() const {
+  const uint32_t idx = ePropertyCASPluginPath;
+  return GetPropertyAtIndexAs<FileSpec>(idx, {});
+}
+
+std::vector<std::pair<std::string, std::string>>
+ModuleListProperties::GetCASPluginOptions() const {
+  Args args;
+  const uint32_t idx = ePropertyCASPluginOptions;
+  m_collection_sp->GetPropertyAtIndexAsArgs(idx, args);
+  std::vector<std::pair<std::string, std::string>> options;
+  for (auto &arg: args) {
+    llvm::StringRef opt = arg.c_str();
+    auto splitted = opt.split("=");
+    options.emplace_back(splitted.first.str(), splitted.second.str());
+  }
+  return options;
+}
+// END CAS
+
 FileSpec ModuleListProperties::GetLLDBIndexCachePath() const {
   const uint32_t idx = ePropertyLLDBIndexCachePath;
   return GetPropertyAtIndexAs<FileSpec>(idx, {});