[lldb-dap] Remove g_dap references from lldb-dap/LLDBUtils. (#115933)

This refactor removes g_dap references from lldb-dap/LLDBUtils.{h,cpp}
to allow us to create more than one g_dap instance in the future.

lldb/tools/lldb-dap/DAP.cpp

@@ -548,7 +548,7 @@ bool DAP::RunLLDBCommands(llvm::StringRef prefix,
                           llvm::ArrayRef<std::string> commands) {
   bool required_command_failed = false;
   std::string output =
-      ::RunLLDBCommands(prefix, commands, required_command_failed);
+      ::RunLLDBCommands(debugger, prefix, commands, required_command_failed);
   SendOutput(OutputType::Console, output);
   return !required_command_failed;
 }

lldb/tools/lldb-dap/LLDBUtils.cpp

@@ -15,7 +15,7 @@
 
 namespace lldb_dap {
 
-bool RunLLDBCommands(llvm::StringRef prefix,
+bool RunLLDBCommands(lldb::SBDebugger &debugger, llvm::StringRef prefix,
                      const llvm::ArrayRef<std::string> &commands,
                      llvm::raw_ostream &strm, bool parse_command_directives) {
   if (commands.empty())
@@ -23,7 +23,7 @@ bool RunLLDBCommands(llvm::StringRef prefix,
 
   bool did_print_prefix = false;
 
-  lldb::SBCommandInterpreter interp = g_dap.debugger.GetCommandInterpreter();
+  lldb::SBCommandInterpreter interp = debugger.GetCommandInterpreter();
   for (llvm::StringRef command : commands) {
     lldb::SBCommandReturnObject result;
     bool quiet_on_success = false;
@@ -78,23 +78,23 @@ bool RunLLDBCommands(llvm::StringRef prefix,
   return true;
 }
 
-std::string RunLLDBCommands(llvm::StringRef prefix,
+std::string RunLLDBCommands(lldb::SBDebugger &debugger, llvm::StringRef prefix,
                             const llvm::ArrayRef<std::string> &commands,
                             bool &required_command_failed,
                             bool parse_command_directives) {
   required_command_failed = false;
   std::string s;
   llvm::raw_string_ostream strm(s);
-  required_command_failed =
-      !RunLLDBCommands(prefix, commands, strm, parse_command_directives);
+  required_command_failed = !RunLLDBCommands(debugger, prefix, commands, strm,
+                                             parse_command_directives);
   return s;
 }
 
 std::string
-RunLLDBCommandsVerbatim(llvm::StringRef prefix,
+RunLLDBCommandsVerbatim(lldb::SBDebugger &debugger, llvm::StringRef prefix,
                         const llvm::ArrayRef<std::string> &commands) {
   bool required_command_failed = false;
-  return RunLLDBCommands(prefix, commands, required_command_failed,
+  return RunLLDBCommands(debugger, prefix, commands, required_command_failed,
                          /*parse_command_directives=*/false);
 }
 

lldb/tools/lldb-dap/LLDBUtils.h

@@ -10,6 +10,7 @@
 #define LLDB_TOOLS_LLDB_DAP_LLDBUTILS_H
 
 #include "DAPForward.h"
+#include "lldb/API/SBDebugger.h"
 #include "lldb/API/SBEnvironment.h"
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/StringRef.h"
@@ -30,6 +31,9 @@ namespace lldb_dap {
 /// emitted regardless, and \b false is returned without executing the
 /// remaining commands.
 ///
+/// \param[in] debugger
+///     The debugger that will execute the lldb commands.
+///
 /// \param[in] prefix
 ///     A string that will be printed into \a strm prior to emitting
 ///     the prompt + command and command output. Can be NULL.
@@ -48,7 +52,7 @@ namespace lldb_dap {
 /// \return
 ///     \b true, unless a command prefixed with \b ! fails and parsing of
 ///     command directives is enabled.
-bool RunLLDBCommands(llvm::StringRef prefix,
+bool RunLLDBCommands(lldb::SBDebugger &debugger, llvm::StringRef prefix,
                      const llvm::ArrayRef<std::string> &commands,
                      llvm::raw_ostream &strm, bool parse_command_directives);
 
@@ -57,6 +61,9 @@ bool RunLLDBCommands(llvm::StringRef prefix,
 /// All output from every command, including the prompt + the command
 /// is returned in the std::string return value.
 ///
+/// \param[in] debugger
+///     The debugger that will execute the lldb commands.
+///
 /// \param[in] prefix
 ///     A string that will be printed into \a strm prior to emitting
 ///     the prompt + command and command output. Can be NULL.
@@ -75,14 +82,14 @@ bool RunLLDBCommands(llvm::StringRef prefix,
 /// \return
 ///     A std::string that contains the prefix and all commands and
 ///     command output.
-std::string RunLLDBCommands(llvm::StringRef prefix,
+std::string RunLLDBCommands(lldb::SBDebugger &debugger, llvm::StringRef prefix,
                             const llvm::ArrayRef<std::string> &commands,
                             bool &required_command_failed,
                             bool parse_command_directives = true);
 
 /// Similar to the method above, but without parsing command directives.
 std::string
-RunLLDBCommandsVerbatim(llvm::StringRef prefix,
+RunLLDBCommandsVerbatim(lldb::SBDebugger &debugger, llvm::StringRef prefix,
                         const llvm::ArrayRef<std::string> &commands);
 
 /// Check if a thread has a stop reason.

lldb/tools/lldb-dap/lldb-dap.cpp

@@ -1615,8 +1615,8 @@ void request_evaluate(const llvm::json::Object &request) {
     if (frame.IsValid()) {
       g_dap.focus_tid = frame.GetThread().GetThreadID();
     }
-    auto result =
-        RunLLDBCommandsVerbatim(llvm::StringRef(), {std::string(expression)});
+    auto result = RunLLDBCommandsVerbatim(g_dap.debugger, llvm::StringRef(),
+                                          {std::string(expression)});
     EmplaceSafeString(body, "result", result);
     body.try_emplace("variablesReference", (int64_t)0);
   } else {