remove llvm-db: it is completely broken and if anyone wants to do a debugger,

they should not base it on llvm-db (which not following almost any "best practices").


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83288 91177308-0d34-0410-b5e6-96231b3b80d8

9 files changed, 1 insertions, 1621 deletions

diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index a253b33..8b5d77e 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -27,7 +27,6 @@ add_subdirectory(llvm-link)
 add_subdirectory(lli)
 
 add_subdirectory(llvm-extract)
-add_subdirectory(llvm-db)
 
 add_subdirectory(bugpoint)
 add_subdirectory(llvm-bcanalyzer)
diff --git a/tools/Makefile b/tools/Makefile
index caf8b2f..0340c7f 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -19,7 +19,7 @@ DIRS := llvm-config
 PARALLEL_DIRS := opt llvm-as llvm-dis \
                  llc llvm-ranlib llvm-ar llvm-nm \
                  llvm-ld llvm-prof llvm-link \
-                 lli llvm-extract llvm-db \
+                 lli llvm-extract \
                  bugpoint llvm-bcanalyzer llvm-stub \
                  llvm-mc llvmc
 
diff --git a/tools/llvm-db/CLICommand.h b/tools/llvm-db/CLICommand.h
deleted file mode 100644
index 0beec91..0000000
--- a/tools/llvm-db/CLICommand.h
+++ /dev/null
@@ -1,111 +0,0 @@
-//===- CLICommand.h - Classes used to represent commands --------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines a small class hierarchy used to represent the various types
-// of commands in the CLI debugger front-end.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef CLICOMMAND_H
-#define CLICOMMAND_H
-
-#include <string>
-#include <vector>
-#include <cassert>
-
-namespace llvm {
-  class CLIDebugger;
-
-  /// CLICommand - Base class of the hierarchy, used to provide the abstract
-  /// interface common to all commands.
-  ///
-  class CLICommand {
-    /// ShortHelp, LongHelp - The short and long helps strings printed for the
-    /// command.  The ShortHelp string should be a single line of text without a
-    /// newline.  The LongHelp string should be a full description with
-    /// terminating newline.
-    std::string ShortHelp, LongHelp;
-
-    /// RefCount - This contains the number of entries in the CLIDebugger
-    /// CommandTable that points to this command.
-    unsigned RefCount;
-
-    /// OptionNames - This contains a list of names for the option.  Keeping
-    /// track of this is done just to make the help output more helpful.
-    ///
-    std::vector<std::string> OptionNames;
-  public:
-    CLICommand(const std::string &SH, const std::string &LH)
-      : ShortHelp(SH), LongHelp(LH), RefCount(0) {}
-
-    virtual ~CLICommand() {}
-
-    /// addRef/dropRef - Implement a simple reference counting scheme to make
-    /// sure we delete commands that are no longer used.
-    void addRef() { ++RefCount; }
-    void dropRef() {
-      if (--RefCount == 0) delete this;
-    }
-
-    /// getPrimaryOptionName - Return the first name the option was added under.
-    /// This is the name we report for the option in the help output.
-    std::string getPrimaryOptionName() const {
-      return OptionNames.empty() ? "" : OptionNames[0];
-    }
-
-    /// getOptionName - Return all of the names the option is registered as.
-    ///
-    const std::vector<std::string> &getOptionNames() const {
-      return OptionNames;
-    }
-
-    /// addOptionName - Add a name that this option is known as.
-    ///
-    void addOptionName(const std::string &Name) {
-      OptionNames.push_back(Name);
-    }
-
-    /// removeOptionName - Eliminate one of the names for this option.
-    ///
-    void removeOptionName(const std::string &Name) {
-      unsigned i = 0;
-      for (; OptionNames[i] != Name; ++i)
-        assert(i+1 < OptionNames.size() && "Didn't find option name!");
-      OptionNames.erase(OptionNames.begin()+i);
-    }
-
-
-    /// getShortHelp - Return the short help string for this command.
-    ///
-    const std::string &getShortHelp() { return ShortHelp; }
-
-    /// getLongHelp - Return the long help string for this command, if it
-    /// exists.
-    const std::string &getLongHelp() { return LongHelp; }
-
-    virtual void runCommand(CLIDebugger &D, std::string &Arguments) = 0;
-  };
-
-  /// BuiltinCLICommand - This class represents commands that are built directly
-  /// into the debugger.
-  class BuiltinCLICommand : public CLICommand {
-    // Impl - Pointer to the method that implements the command
-    void (CLIDebugger::*Impl)(std::string&);
-  public:
-    BuiltinCLICommand(const std::string &ShortHelp, const std::string &LongHelp,
-                      void (CLIDebugger::*impl)(std::string&))
-      : CLICommand(ShortHelp, LongHelp), Impl(impl) {}
-
-    void runCommand(CLIDebugger &D, std::string &Arguments) {
-      (D.*Impl)(Arguments);
-    }
-  };
-}
-
-#endif
diff --git a/tools/llvm-db/CLIDebugger.cpp b/tools/llvm-db/CLIDebugger.cpp
deleted file mode 100644
index 31476f7..0000000
--- a/tools/llvm-db/CLIDebugger.cpp
+++ /dev/null
@@ -1,309 +0,0 @@
-//===-- CLIDebugger.cpp - Command Line Interface to the Debugger ----------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the main implementation of the Command Line Interface to
-// the debugger.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CLIDebugger.h"
-#include "CLICommand.h"
-#include "llvm/Debugger/SourceFile.h"
-#include "llvm/ADT/StringExtras.h"
-#include <iostream>
-using namespace llvm;
-
-/// CLIDebugger constructor - This initializes the debugger to its default
-/// state, and initializes the command table.
-///
-CLIDebugger::CLIDebugger(LLVMContext& ctxt)
-  : Context(ctxt), TheProgramInfo(0), TheRuntimeInfo(0),
-    Prompt("(llvm-db) "), ListSize(10) {
-  // Initialize instance variables
-  CurrentFile = 0;
-  LineListedStart = 1;
-  LineListedEnd = 1;
-  LastCurrentFrame = 0;
-  CurrentLanguage = 0;
-
-  CLICommand *C;
-  //===--------------------------------------------------------------------===//
-  // Program startup and shutdown options
-  //
-  addCommand("file", new BuiltinCLICommand(
-    "Use specified file as the program to be debugged",
-    "The debugger looks in the current directory and the program $PATH for the"
-    " specified LLVM program.  It then unloads the currently loaded program and"
-    " loads the specified program.\n",
-    &CLIDebugger::fileCommand));
-
-  addCommand("create", new BuiltinCLICommand(
-    "Start the program, halting its execution in main",
-    "This command creates an instance of the current program, but stops"
-    "\nexecution immediately.\n",
-    &CLIDebugger::createCommand));
-
-  addCommand("kill", new BuiltinCLICommand(
-    "Kills the execution of the current program being debugged", "",
-    &CLIDebugger::killCommand));
-
-  addCommand("quit", new BuiltinCLICommand(
-    "Exit the debugger", "",
-    &CLIDebugger::quitCommand));
-
-  //===--------------------------------------------------------------------===//
-  // Program execution commands
-  //
-  addCommand("run", C = new BuiltinCLICommand(
-    "Start the program running from the beginning", "",
-    &CLIDebugger::runCommand));
-  addCommand("r", C);
-
-  addCommand("cont", C = new BuiltinCLICommand(
-    "Continue program being debugged until the next stop point", "",
-    &CLIDebugger::contCommand));
-  addCommand("c", C); addCommand("fg", C);
-
-  addCommand("step", C = new BuiltinCLICommand(
-    "Step program until it reaches a new source line", "",
-    &CLIDebugger::stepCommand));
-  addCommand("s", C);
-
-  addCommand("next", C = new BuiltinCLICommand(
-    "Step program until it reaches a new source line, stepping over calls", "",
-    &CLIDebugger::nextCommand));
-  addCommand("n", C);
-
-  addCommand("finish", new BuiltinCLICommand(
-    "Execute until the selected stack frame returns",
-   "Upon return, the value returned is printed and put in the value history.\n",
-    &CLIDebugger::finishCommand));
-
-  //===--------------------------------------------------------------------===//
-  // Stack frame commands
-  //
-  addCommand("backtrace", C = new BuiltinCLICommand(
-   "Print backtrace of all stack frames, or innermost COUNT frames",
-   "FIXME: describe.  Takes 'n', '-n' or 'full'\n",
-    &CLIDebugger::backtraceCommand));
-  addCommand("bt", C);
-
-  addCommand("up", new BuiltinCLICommand(
-    "Select and print stack frame that called this one",
-    "An argument says how many frames up to go.\n",
-    &CLIDebugger::upCommand));
-
-  addCommand("down", new BuiltinCLICommand(
-    "Select and print stack frame called by this one",
-    "An argument says how many frames down go.\n",
-    &CLIDebugger::downCommand));
-
-  addCommand("frame", C = new BuiltinCLICommand(
-    "Select and print a stack frame",
- "With no argument, print the selected stack frame.  (See also 'info frame').\n"
- "An argument specifies the frame to select.\n",
-    &CLIDebugger::frameCommand));
-  addCommand("f", C);
-
-  //===--------------------------------------------------------------------===//
-  // Breakpoint related commands
-  //
-  addCommand("break", C = new BuiltinCLICommand(
-   "Set breakpoint at specified line or function",
-   "FIXME: describe.\n",
-    &CLIDebugger::breakCommand));
-  addCommand("b", C);
-
-
-  //===--------------------------------------------------------------------===//
-  // Miscellaneous commands
-  //
-  addCommand("info", new BuiltinCLICommand(
-    "Generic command for showing things about the program being debugged",
-    "info functions: display information about functions in the program.\ninfo"
-    " source : display information about the current source file.\ninfo source"
-    "s : Display source file names for the program\ninfo target : print status"
-    " of inferior process\n",
-    &CLIDebugger::infoCommand));
-
-  addCommand("list", C = new BuiltinCLICommand(
-    "List specified function or line",
-    "FIXME: document\n",
-    &CLIDebugger::listCommand));
-  addCommand("l", C);
-
-  addCommand("set", new BuiltinCLICommand(
-    "Change program or debugger variable",
-    "FIXME: document\n",
-    &CLIDebugger::setCommand));
-
-  addCommand("show", new BuiltinCLICommand(
-    "Generic command for showing things about the debugger",
-    "FIXME: document\n",
-    &CLIDebugger::showCommand));
-
-  addCommand("help", C = new BuiltinCLICommand(
-    "Prints information about available commands", "",
-    &CLIDebugger::helpCommand));
-  addCommand("h", C);
-}
-
-
-/// addCommand - Add a command to the CommandTable, potentially displacing a
-/// preexisting command.
-void CLIDebugger::addCommand(const std::string &Option, CLICommand *Cmd) {
-  assert(Cmd && "Cannot set a null command!");
-  CLICommand *&CS = CommandTable[Option];
-  if (CS == Cmd) return; // noop
-
-  // If we already have a command, decrement the command's reference count.
-  if (CS) {
-    CS->removeOptionName(Option);
-    CS->dropRef();
-  }
-  CS = Cmd;
-
-  // Remember that we are using this command.
-  Cmd->addRef();
-  Cmd->addOptionName(Option);
-}
-
-static bool isValidPrefix(const std::string &Prefix, const std::string &Option){
-  return Prefix.size() <= Option.size() &&
-         Prefix == std::string(Option.begin(), Option.begin()+Prefix.size());
-}
-
-/// getCommand - This looks up the specified command using a fuzzy match.
-/// If the string exactly matches a command or is an unambiguous prefix of a
-/// command, it returns the command.  Otherwise it throws an exception
-/// indicating the possible ambiguous choices.
-CLICommand *CLIDebugger::getCommand(const std::string &Command) {
-
-  // Look up the command in the table.
-  std::map<std::string, CLICommand*>::iterator CI =
-    CommandTable.lower_bound(Command);
-
-  if (Command == "") {
-    throw "Null command should not get here!";
-  } else if (CI == CommandTable.end() ||
-             !isValidPrefix(Command, CI->first)) {
-    // If this command has no relation to anything in the command table,
-    // print the error message.
-    throw "Unknown command: '" + Command +
-          "'.  Use 'help' for list of commands.";
-  } else if (CI->first == Command) {
-    // We have an exact match on the command
-    return CI->second;
-  } else {
-    // Otherwise, we have a prefix match.  Check to see if this is
-    // unambiguous, and if so, run it.
-    std::map<std::string, CLICommand*>::iterator CI2 = CI;
-
-    // If the next command is a valid completion of this one, we are
-    // ambiguous.
-    if (++CI2 != CommandTable.end() && isValidPrefix(Command, CI2->first)) {
-      std::string ErrorMsg =
-        "Ambiguous command '" + Command + "'.  Options: " + CI->first;
-      for (++CI; CI != CommandTable.end() &&
-             isValidPrefix(Command, CI->first); ++CI)
-        ErrorMsg += ", " + CI->first;
-      throw ErrorMsg;
-    } else {
-      // It's an unambiguous prefix of a command, use it.
-      return CI->second;
-    }
-  }
-}
-
-
-/// run - Start the debugger, returning when the user exits the debugger.  This
-/// starts the main event loop of the CLI debugger.
-///
-int CLIDebugger::run() {
-  std::string Command;
-  std::cout << Prompt;
-
-  // Keep track of the last command issued, so that we can reissue it if the
-  // user hits enter as the command.
-  CLICommand *LastCommand = 0;
-  std::string LastArgs;
-
-  // Continue reading commands until the end of file.
-  while (getline(std::cin, Command)) {
-    std::string Arguments = Command;
-
-    // Split off the command from the arguments to the command.
-    Command = getToken(Arguments, " \t\n\v\f\r\\/;.*&");
-
-    try {
-      CLICommand *CurCommand;
-
-      if (Command == "") {
-        CurCommand = LastCommand;
-        Arguments = LastArgs;
-      } else {
-        CurCommand = getCommand(Command);
-      }
-
-      // Save the command we are running in case the user wants us to repeat it
-      // next time.
-      LastCommand = CurCommand;
-      LastArgs = Arguments;
-
-      // Finally, execute the command.
-      if (CurCommand)
-        CurCommand->runCommand(*this, Arguments);
-
-    } catch (int RetVal) {
-      // The quit command exits the command loop by throwing an integer return
-      // code.
-      return RetVal;
-    } catch (const std::string &Error) {
-      std::cout << "Error: " << Error << "\n";
-    } catch (const char *Error) {
-      std::cout << "Error: " << Error << "\n";
-    } catch (const NonErrorException &E) {
-      std::cout << E.getMessage() << "\n";
-    } catch (...) {
-      std::cout << "ERROR: Debugger caught unexpected exception!\n";
-      // Attempt to continue.
-    }
-
-    // Write the prompt to get the next bit of user input
-    std::cout << Prompt;
-  }
-
-  return 0;
-}
-
-
-/// askYesNo - Ask the user a question, and demand a yes/no response.  If
-/// the user says yes, return true.
-///
-bool CLIDebugger::askYesNo(const std::string &Message) const {
-  std::string Answer;
-  std::cout << Message << " (y or n) " << std::flush;
-  while (getline(std::cin, Answer)) {
-    std::string Val = getToken(Answer);
-    if (getToken(Answer).empty()) {
-      if (Val == "yes" || Val == "y" || Val == "YES" || Val == "Y" ||
-          Val == "Yes")
-        return true;
-      if (Val == "no" || Val == "n" || Val == "NO" || Val == "N" ||
-          Val == "No")
-        return false;
-    }
-
-    std::cout << "Please answer y or n.\n" << Message << " (y or n) "
-              << std::flush;
-  }
-
-  // Ran out of input?
-  return false;
-}
diff --git a/tools/llvm-db/CLIDebugger.h b/tools/llvm-db/CLIDebugger.h
deleted file mode 100644
index 0595b3d..0000000
--- a/tools/llvm-db/CLIDebugger.h
+++ /dev/null
@@ -1,208 +0,0 @@
-//===- CLIDebugger.h - LLVM Command Line Interface Debugger -----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the CLIDebugger class, which implements a command line
-// interface to the LLVM Debugger library.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef CLIDEBUGGER_H
-#define CLIDEBUGGER_H
-
-#include "llvm/Debugger/Debugger.h"
-#include <map>
-
-namespace llvm {
-  class CLICommand;
-  class SourceFile;
-  struct SourceLanguage;
-  class ProgramInfo;
-  class RuntimeInfo;
-  class LLVMContext;
-
-  /// CLIDebugger - This class implements the command line interface for the
-  /// LLVM debugger.
-  class CLIDebugger {
-    LLVMContext& Context;
-    
-    /// Dbg - The low-level LLVM debugger object that we use to do our dirty
-    /// work.
-    Debugger Dbg;
-
-    /// CommandTable - This table contains a mapping from command names to the
-    /// CLICommand object that implements the command.
-    std::map<std::string, CLICommand*> CommandTable;
-
-    //===------------------------------------------------------------------===//
-    // Data related to the program that is currently loaded.  Note that the Dbg
-    // variable also captures some information about the loaded program.  This
-    // pointer is non-null iff Dbg.isProgramLoaded() is true.
-    //
-    ProgramInfo *TheProgramInfo;
-
-    //===------------------------------------------------------------------===//
-    // Data related to the program that is currently executing, but has stopped.
-    // Note that the Dbg variable also captures some information about the
-    // loaded program.  This pointer is non-null iff Dbg.isProgramRunning() is
-    // true.
-    //
-    RuntimeInfo *TheRuntimeInfo;
-
-    /// LastCurrentFrame - This variable holds the Frame ID of the top-level
-    /// stack frame from the last time that the program was executed.  We keep
-    /// this because we only want to print the source location when the current
-    /// function changes.
-    void *LastCurrentFrame;
-
-    //===------------------------------------------------------------------===//
-    // Data directly exposed through the debugger prompt
-    //
-    std::string Prompt;   // set prompt, show prompt
-    unsigned ListSize;    // set listsize, show listsize
-
-    //===------------------------------------------------------------------===//
-    // Data to support user interaction
-    //
-
-    /// CurrentFile - The current source file we are inspecting, or null if
-    /// none.
-    const SourceFile *CurrentFile;
-    unsigned LineListedStart, LineListedEnd;
-
-    /// CurrentLanguage - This contains the source language in use, if one is
-    /// explicitly set by the user.  If this is null (the default), the language
-    /// is automatically determined from the current stack frame.
-    ///
-    const SourceLanguage *CurrentLanguage;
-
-  public:
-    CLIDebugger(LLVMContext& ctxt);
-
-    /// getDebugger - Return the current LLVM debugger implementation being
-    /// used.
-    Debugger &getDebugger() { return Dbg; }
-
-    /// run - Start the debugger, returning when the user exits the debugger.
-    /// This starts the main event loop of the CLI debugger.
-    ///
-    int run();
-
-    /// addCommand - Add a command to the CommandTable, potentially displacing a
-    /// preexisting command.
-    void addCommand(const std::string &Option, CLICommand *Cmd);
-
-    /// addSourceDirectory - Add a directory to search when looking for the
-    /// source code of the program.
-    void addSourceDirectory(const std::string &Dir) {
-      // FIXME: implement
-    }
-
-    /// getCurrentLanguage - Return the current source language that the user is
-    /// playing around with.  This is aquired from the current stack frame of a
-    /// running program if one exists, but this value can be explicitly set by
-    /// the user as well.
-    const SourceLanguage &getCurrentLanguage() const;
-
-    /// getProgramInfo - Return a reference to the ProgramInfo object for the
-    /// currently loaded program.  If there is no program loaded, throw an
-    /// exception.
-    ProgramInfo &getProgramInfo() const {
-      if (TheProgramInfo == 0)
-        throw "No program is loaded.";
-      return *TheProgramInfo;
-    }
-
-    /// getRuntimeInfo - Return a reference to the current RuntimeInfo object.
-    /// If there is no program running, throw an exception.
-    RuntimeInfo &getRuntimeInfo() const {
-      if (TheRuntimeInfo == 0)
-        throw "No program is running.";
-      return *TheRuntimeInfo;
-    }
-
-  private:   // Internal implementation methods
-
-    /// getCommand - This looks up the specified command using a fuzzy match.
-    /// If the string exactly matches a command or is an unambiguous prefix of a
-    /// command, it returns the command.  Otherwise it throws an exception
-    /// indicating the possible ambiguous choices.
-    CLICommand *getCommand(const std::string &Command);
-
-    /// askYesNo - Ask the user a question, and demand a yes/no response.  If
-    /// the user says yes, return true.
-    bool askYesNo(const std::string &Message) const;
-
-    /// printProgramLocation - Given a loaded and created child process that has
-    /// stopped, print its current source location.
-    void printProgramLocation(bool PrintLocation = true);
-
-    /// eliminateRunInfo - We are about to run the program.  Forget any state
-    /// about how the program used to be stopped.
-    void eliminateRunInfo();
-
-    /// programStoppedSuccessfully - This method updates internal data
-    /// structures to reflect the fact that the program just executed a while,
-    /// and has successfully stopped.
-    void programStoppedSuccessfully();
-
-  public:   /// Builtin debugger commands, invokable by the user
-    // Program startup and shutdown options
-    void fileCommand(std::string &Options);   // file
-    void createCommand(std::string &Options); // create
-    void killCommand(std::string &Options);   // kill
-    void quitCommand(std::string &Options);   // quit
-
-    // Program execution commands
-    void runCommand(std::string &Options);    // run|r
-    void contCommand(std::string &Options);   // cont|c|fg
-    void stepCommand(std::string &Options);   // step|s [count]
-    void nextCommand(std::string &Options);   // next|n [count]
-    void finishCommand(std::string &Options); // finish
-
-    // Stack frame commands
-    void backtraceCommand(std::string &Options); // backtrace|bt [count]
-    void upCommand(std::string &Options);        // up
-    void downCommand(std::string &Options);      // down
-    void frameCommand(std::string &Options);     // frame
-
-
-    // Breakpoint related commands
-    void breakCommand(std::string &Options);  // break|b <id>
-
-    // Miscellaneous commands
-    void infoCommand(std::string &Options);   // info
-    void listCommand(std::string &Options);   // list
-    void setCommand(std::string &Options);    // set
-    void showCommand(std::string &Options);   // show
-    void helpCommand(std::string &Options);   // help
-
-  private:
-    /// startProgramRunning - If the program has been updated, reload it, then
-    /// start executing the program.
-    void startProgramRunning();
-
-    /// printSourceLine - Print the specified line of the current source file.
-    /// If the specified line is invalid (the source file could not be loaded or
-    /// the line number is out of range), don't print anything, but return true.
-    bool printSourceLine(unsigned LineNo);
-
-    /// parseLineSpec - Parses a line specifier, for use by the 'list' command.
-    /// If SourceFile is returned as a void pointer, then it was not specified.
-    /// If the line specifier is invalid, an exception is thrown.
-    void parseLineSpec(std::string &LineSpec, const SourceFile *&SourceFile,
-                       unsigned &LineNo);
-
-    /// parseProgramOptions - This method parses the Options string and loads it
-    /// as options to be passed to the program.  This is used by the run command
-    /// and by 'set args'.
-    void parseProgramOptions(std::string &Options);
-  };
-}
-
-#endif
diff --git a/tools/llvm-db/CMakeLists.txt b/tools/llvm-db/CMakeLists.txt
deleted file mode 100644
index af64908..0000000
--- a/tools/llvm-db/CMakeLists.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-set(LLVM_LINK_COMPONENTS debugger)
-set(LLVM_REQUIRES_EH 1)
-
-add_llvm_tool(llvm-db
-  CLIDebugger.cpp
-  Commands.cpp
-  llvm-db.cpp
-  )
diff --git a/tools/llvm-db/Commands.cpp b/tools/llvm-db/Commands.cpp
deleted file mode 100644
index d759ddd..0000000
--- a/tools/llvm-db/Commands.cpp
+++ /dev/null
@@ -1,866 +0,0 @@
-//===-- Commands.cpp - Implement various commands for the CLI -------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements many builtin user commands.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CLIDebugger.h"
-#include "CLICommand.h"
-#include "llvm/Debugger/ProgramInfo.h"
-#include "llvm/Debugger/RuntimeInfo.h"
-#include "llvm/Debugger/SourceLanguage.h"
-#include "llvm/Debugger/SourceFile.h"
-#include "llvm/Debugger/InferiorProcess.h"
-#include "llvm/Support/FileUtilities.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/StringExtras.h"
-#include <cstdlib>
-using namespace llvm;
-
-/// getCurrentLanguage - Return the current source language that the user is
-/// playing around with.  This is aquired from the current stack frame of a
-/// running program if one exists, but this value can be explicitly set by the
-/// user as well.
-const SourceLanguage &CLIDebugger::getCurrentLanguage() const {
-  // If the user explicitly switched languages with 'set language', use what
-  // they asked for.
-  if (CurrentLanguage) {
-    return *CurrentLanguage;
-  } else if (Dbg.isProgramRunning()) {
-    // Otherwise, if the program is running, infer the current language from it.
-    const GlobalVariable *FuncDesc =
-      getRuntimeInfo().getCurrentFrame().getFunctionDesc();
-    return getProgramInfo().getFunction(FuncDesc).getSourceFile().getLanguage();
-  } else {
-    // Otherwise, default to C like GDB apparently does.
-    return SourceLanguage::getCFamilyInstance();
-  }
-}
-
-/// startProgramRunning - If the program has been updated, reload it, then
-/// start executing the program.
-void CLIDebugger::startProgramRunning() {
-  eliminateRunInfo();
-
-  // If the program has been modified, reload it!
-  sys::PathWithStatus Program(Dbg.getProgramPath());
-  std::string Err;
-  const sys::FileStatus *Status = Program.getFileStatus(false, &Err);
-  if (!Status)
-    throw Err;
-  if (TheProgramInfo->getProgramTimeStamp() != Status->getTimestamp()) {
-    outs() << "'" << Program.str() << "' has changed; re-reading program.\n";
-
-    // Unload an existing program.  This kills the program if necessary.
-    Dbg.unloadProgram();
-    delete TheProgramInfo;
-    TheProgramInfo = 0;
-    CurrentFile = 0;
-
-    Dbg.loadProgram(Program.str(), Context);
-    TheProgramInfo = new ProgramInfo(Dbg.getProgram());
-  }
-
-  outs() << "Starting program: " << Dbg.getProgramPath() << "\n";
-  Dbg.createProgram();
-
-  // There was no current frame.
-  LastCurrentFrame = 0;
-}
-
-/// printSourceLine - Print the specified line of the current source file.
-/// If the specified line is invalid (the source file could not be loaded or
-/// the line number is out of range), don't print anything, but return true.
-bool CLIDebugger::printSourceLine(unsigned LineNo) {
-  assert(CurrentFile && "There is no current source file to print!");
-  const char *LineStart, *LineEnd;
-  CurrentFile->getSourceLine(LineNo-1, LineStart, LineEnd);
-  if (LineStart == 0) return true;
-  outs() << LineNo;
-
-  // If this is the line the program is currently stopped at, print a marker.
-  if (Dbg.isProgramRunning()) {
-    unsigned CurLineNo, CurColNo;
-    const SourceFileInfo *CurSFI;
-    getRuntimeInfo().getCurrentFrame().getSourceLocation(CurLineNo, CurColNo,
-                                                         CurSFI);
-
-    if (CurLineNo == LineNo && CurrentFile == &CurSFI->getSourceText())
-      outs() << " ->";
-  }
-
-  outs() << "\t" << std::string(LineStart, LineEnd) << "\n";
-  return false;
-}
-
-/// printProgramLocation - Print a line of the place where the current stack
-/// frame has stopped and the source line it is on.
-///
-void CLIDebugger::printProgramLocation(bool PrintLocation) {
-  assert(Dbg.isProgramLoaded() && Dbg.isProgramRunning() &&
-         "Error program is not loaded and running!");
-
-  // Figure out where the program stopped...
-  StackFrame &SF = getRuntimeInfo().getCurrentFrame();
-  unsigned LineNo, ColNo;
-  const SourceFileInfo *FileDesc;
-  SF.getSourceLocation(LineNo, ColNo, FileDesc);
-
-  // If requested, print out some program information about WHERE we are.
-  if (PrintLocation) {
-    // FIXME: print the current function arguments
-    if (const GlobalVariable *FuncDesc = SF.getFunctionDesc())
-      outs() << getProgramInfo().getFunction(FuncDesc).getSymbolicName();
-    else
-      outs() << "<unknown function>";
-
-    CurrentFile = &FileDesc->getSourceText();
-
-    outs() << " at " << CurrentFile->getFilename() << ":" << LineNo;
-    if (ColNo) outs() << ":" << ColNo;
-    outs() << "\n";
-  }
-
-  if (printSourceLine(LineNo))
-    outs() << "<could not load source file>\n";
-  else {
-    LineListedStart = LineNo-ListSize/2+1;
-    if ((int)LineListedStart < 1) LineListedStart = 1;
-    LineListedEnd = LineListedStart+1;
-  }
-}
-
-/// eliminateRunInfo - We are about to run the program.  Forget any state
-/// about how the program used to be stopped.
-void CLIDebugger::eliminateRunInfo() {
-  delete TheRuntimeInfo;
-  TheRuntimeInfo = 0;
-}
-
-/// programStoppedSuccessfully - This method updates internal data
-/// structures to reflect the fact that the program just executed a while,
-/// and has successfully stopped.
-void CLIDebugger::programStoppedSuccessfully() {
-  assert(TheRuntimeInfo==0 && "Someone forgot to release the old RuntimeInfo!");
-
-  TheRuntimeInfo = new RuntimeInfo(TheProgramInfo, Dbg.getRunningProcess());
-
-  // FIXME: if there are any breakpoints at the current location, print them as
-  // well.
-
-  // Since the program as successfully stopped, print its location.
-  void *CurrentFrame = getRuntimeInfo().getCurrentFrame().getFrameID();
-  printProgramLocation(CurrentFrame != LastCurrentFrame);
-  LastCurrentFrame = CurrentFrame;
-}
-
-
-
-/// getUnsignedIntegerOption - Get an unsigned integer number from the Val
-/// string.  Check to make sure that the string contains an unsigned integer
-/// token, and if not, throw an exception.  If isOnlyOption is set, also throw
-/// an exception if there is extra junk at the end of the string.
-static unsigned getUnsignedIntegerOption(const char *Msg, std::string &Val,
-                                         bool isOnlyOption = true) {
-  std::string Tok = getToken(Val);
-  if (Tok.empty() || (isOnlyOption && !getToken(Val).empty()))
-    throw std::string(Msg) + " expects an unsigned integer argument.";
-
-  char *EndPtr;
-  unsigned Result = strtoul(Tok.c_str(), &EndPtr, 0);
-  if (EndPtr != Tok.c_str()+Tok.size())
-    throw std::string(Msg) + " expects an unsigned integer argument.";
-
-  return Result;
-}
-
-/// getOptionalUnsignedIntegerOption - This method is just like
-/// getUnsignedIntegerOption, but if the argument value is not specified, a
-/// default is returned instead of causing an error.
-static unsigned
-getOptionalUnsignedIntegerOption(const char *Msg, unsigned Default,
-                                 std::string &Val, bool isOnlyOption = true) {
-  // Check to see if the value was specified...
-  std::string TokVal = getToken(Val);
-  if (TokVal.empty()) return Default;
-
-  // If it was specified, add it back to the value we are parsing...
-  Val = TokVal+Val;
-
-  // And parse normally.
-  return getUnsignedIntegerOption(Msg, Val, isOnlyOption);
-}
-
-
-/// parseProgramOptions - This method parses the Options string and loads it
-/// as options to be passed to the program.  This is used by the run command
-/// and by 'set args'.
-void CLIDebugger::parseProgramOptions(std::string &Options) {
-  // FIXME: tokenizing by whitespace is clearly incorrect.  Instead we should
-  // honor quotes and other things that a shell would.  Also in the future we
-  // should support redirection of standard IO.
-
-  std::vector<std::string> Arguments;
-  for (std::string A = getToken(Options); !A.empty(); A = getToken(Options))
-    Arguments.push_back(A);
-  Dbg.setProgramArguments(Arguments.begin(), Arguments.end());
-}
-
-
-//===----------------------------------------------------------------------===//
-//                   Program startup and shutdown options
-//===----------------------------------------------------------------------===//
-
-
-/// file command - If the user specifies an option, search the PATH for the
-/// specified program/bitcode file and load it.  If the user does not specify
-/// an option, unload the current program.
-void CLIDebugger::fileCommand(std::string &Options) {
-  std::string Prog = getToken(Options);
-  if (!getToken(Options).empty())
-    throw "file command takes at most one argument.";
-
-  // Check to make sure the user knows what they are doing
-  if (Dbg.isProgramRunning() &&
-      !askYesNo("A program is already loaded.  Kill it?"))
-    return;
-
-  // Unload an existing program.  This kills the program if necessary.
-  eliminateRunInfo();
-  delete TheProgramInfo;
-  TheProgramInfo = 0;
-  Dbg.unloadProgram();
-  CurrentFile = 0;
-
-  // If requested, start the new program.
-  if (Prog.empty()) {
-    outs() << "Unloaded program.\n";
-  } else {
-    outs() << "Loading program... ";
-    outs().flush();
-    Dbg.loadProgram(Prog, Context);
-    assert(Dbg.isProgramLoaded() &&
-           "loadProgram succeeded, but not program loaded!");
-    TheProgramInfo = new ProgramInfo(Dbg.getProgram());
-    outs() << "successfully loaded '" << Dbg.getProgramPath() << "'!\n";
-  }
-}
-
-
-void CLIDebugger::createCommand(std::string &Options) {
-  if (!getToken(Options).empty())
-    throw "create command does not take any arguments.";
-  if (!Dbg.isProgramLoaded()) throw "No program loaded.";
-  if (Dbg.isProgramRunning() &&
-      !askYesNo("The program is already running.  Restart from the beginning?"))
-    return;
-
-  // Start the program running.
-  startProgramRunning();
-
-  // The program stopped!
-  programStoppedSuccessfully();
-}
-
-void CLIDebugger::killCommand(std::string &Options) {
-  if (!getToken(Options).empty())
-    throw "kill command does not take any arguments.";
-  if (!Dbg.isProgramRunning())
-    throw "No program is currently being run.";
-
-  if (askYesNo("Kill the program being debugged?"))
-    Dbg.killProgram();
-  eliminateRunInfo();
-}
-
-void CLIDebugger::quitCommand(std::string &Options) {
-  if (!getToken(Options).empty())
-    throw "quit command does not take any arguments.";
-
-  if (Dbg.isProgramRunning() &&
-      !askYesNo("The program is running.  Exit anyway?"))
-    return;
-
-  // Throw exception to get out of the user-input loop.
-  throw 0;
-}
-
-
-//===----------------------------------------------------------------------===//
-//                        Program execution commands
-//===----------------------------------------------------------------------===//
-
-void CLIDebugger::runCommand(std::string &Options) {
-  if (!Dbg.isProgramLoaded()) throw "No program loaded.";
-  if (Dbg.isProgramRunning() &&
-      !askYesNo("The program is already running.  Restart from the beginning?"))
-    return;
-
-  // Parse all of the options to the run command, which specify program
-  // arguments to run with.
-  parseProgramOptions(Options);
-
-  eliminateRunInfo();
-
-  // Start the program running.
-  startProgramRunning();
-
-  // Start the program running...
-  Options = "";
-  contCommand(Options);
-}
-
-void CLIDebugger::contCommand(std::string &Options) {
-  if (!getToken(Options).empty()) throw "cont argument not supported yet.";
-  if (!Dbg.isProgramRunning()) throw "Program is not running.";
-
-  eliminateRunInfo();
-
-  Dbg.contProgram();
-
-  // The program stopped!
-  programStoppedSuccessfully();
-}
-
-void CLIDebugger::stepCommand(std::string &Options) {
-  if (!Dbg.isProgramRunning()) throw "Program is not running.";
-
-  // Figure out how many times to step.
-  unsigned Amount =
-    getOptionalUnsignedIntegerOption("'step' command", 1, Options);
-
-  eliminateRunInfo();
-
-  // Step the specified number of times.
-  for (; Amount; --Amount)
-    Dbg.stepProgram();
-
-  // The program stopped!
-  programStoppedSuccessfully();
-}
-
-void CLIDebugger::nextCommand(std::string &Options) {
-  if (!Dbg.isProgramRunning()) throw "Program is not running.";
-  unsigned Amount =
-    getOptionalUnsignedIntegerOption("'next' command", 1, Options);
-
-  eliminateRunInfo();
-
-  for (; Amount; --Amount)
-    Dbg.nextProgram();
-
-  // The program stopped!
-  programStoppedSuccessfully();
-}
-
-void CLIDebugger::finishCommand(std::string &Options) {
-  if (!getToken(Options).empty())
-    throw "finish command does not take any arguments.";
-  if (!Dbg.isProgramRunning()) throw "Program is not running.";
-
-  // Figure out where we are exactly.  If the user requests that we return from
-  // a frame that is not the top frame, make sure we get it.
-  void *CurrentFrame = getRuntimeInfo().getCurrentFrame().getFrameID();
-
-  eliminateRunInfo();
-
-  Dbg.finishProgram(CurrentFrame);
-
-  // The program stopped!
-  programStoppedSuccessfully();
-}
-
-//===----------------------------------------------------------------------===//
-//                           Stack frame commands
-//===----------------------------------------------------------------------===//
-
-void CLIDebugger::backtraceCommand(std::string &Options) {
-  // Accepts "full", n, -n
-  if (!getToken(Options).empty())
-    throw "FIXME: bt command argument not implemented yet!";
-
-  RuntimeInfo &RI = getRuntimeInfo();
-  ProgramInfo &PI = getProgramInfo();
-
-  try {
-    for (unsigned i = 0; ; ++i) {
-      StackFrame &SF = RI.getStackFrame(i);
-      outs() << "#" << i;
-      if (i == RI.getCurrentFrameIdx())
-        outs() << " ->";
-      outs() << "\t" << SF.getFrameID() << " in ";
-      if (const GlobalVariable *G = SF.getFunctionDesc())
-        outs() << PI.getFunction(G).getSymbolicName();
-
-      unsigned LineNo, ColNo;
-      const SourceFileInfo *SFI;
-      SF.getSourceLocation(LineNo, ColNo, SFI);
-      if (!SFI->getBaseName().empty()) {
-        outs() << " at " << SFI->getBaseName();
-        if (LineNo) {
-          outs() << ":" << LineNo;
-          if (ColNo)
-            outs() << ":" << ColNo;
-        }
-      }
-
-      // FIXME: when we support shared libraries, we should print ' from foo.so'
-      // if the stack frame is from a different object than the current one.
-
-      outs() << "\n";
-    }
-  } catch (...) {
-    // Stop automatically when we run off the bottom of the stack.
-  }
-}
-
-void CLIDebugger::upCommand(std::string &Options) {
-  unsigned Num =
-    getOptionalUnsignedIntegerOption("'up' command", 1, Options);
-
-  RuntimeInfo &RI = getRuntimeInfo();
-  unsigned CurFrame = RI.getCurrentFrameIdx();
-
-  // Check to see if we go can up the specified number of frames.
-  try {
-    RI.getStackFrame(CurFrame+Num);
-  } catch (...) {
-    if (Num == 1)
-      throw "Initial frame selected; you cannot go up.";
-    else
-      throw "Cannot go up " + utostr(Num) + " frames!";
-  }
-
-  RI.setCurrentFrameIdx(CurFrame+Num);
-  printProgramLocation();
-}
-
-void CLIDebugger::downCommand(std::string &Options) {
-  unsigned Num =
-    getOptionalUnsignedIntegerOption("'down' command", 1, Options);
-
-  RuntimeInfo &RI = getRuntimeInfo();
-  unsigned CurFrame = RI.getCurrentFrameIdx();
-
-  // Check to see if we can go up the specified number of frames.
-  if (CurFrame < Num) {
-    if (Num == 1)
-      throw "Bottom (i.e., innermost) frame selected; you cannot go down.";
-    else
-      throw "Cannot go down " + utostr(Num) + " frames!";
-  }
-
-  RI.setCurrentFrameIdx(CurFrame-Num);
-  printProgramLocation();
-}
-
-void CLIDebugger::frameCommand(std::string &Options) {
-  RuntimeInfo &RI = getRuntimeInfo();
-  unsigned CurFrame = RI.getCurrentFrameIdx();
-
-  unsigned Num =
-    getOptionalUnsignedIntegerOption("'frame' command", CurFrame, Options);
-
-  // Check to see if we go to the specified frame.
-  RI.getStackFrame(Num);
-
-  RI.setCurrentFrameIdx(Num);
-  printProgramLocation();
-}
-
-
-//===----------------------------------------------------------------------===//
-//                        Breakpoint related commands
-//===----------------------------------------------------------------------===//
-
-void CLIDebugger::breakCommand(std::string &Options) {
-  // Figure out where the user wants a breakpoint.
-  const SourceFile *File;
-  unsigned LineNo;
-
-  // Check to see if the user specified a line specifier.
-  std::string Option = getToken(Options);  // strip whitespace
-  if (!Option.empty()) {
-    Options = Option + Options;  // reconstruct string
-
-    // Parse the line specifier.
-    parseLineSpec(Options, File, LineNo);
-  } else {
-    // Build a line specifier for the current stack frame.
-    throw "FIXME: breaking at the current location is not implemented yet!";
-  }
-
-  if (!File) File = CurrentFile;
-  if (File == 0)
-    throw "Unknown file to place breakpoint!";
-
-  errs() << "Break: " << File->getFilename() << ":" << LineNo << "\n";
-
-  throw "breakpoints not implemented yet!";
-}
-
-//===----------------------------------------------------------------------===//
-//                          Miscellaneous commands
-//===----------------------------------------------------------------------===//
-
-void CLIDebugger::infoCommand(std::string &Options) {
-  std::string What = getToken(Options);
-
-  if (What.empty() || !getToken(Options).empty()){
-    std::string infoStr("info");
-    helpCommand(infoStr);
-    return;
-  }
-
-  if (What == "frame") {
-  } else if (What == "functions") {
-    const std::map<const GlobalVariable*, SourceFunctionInfo*> &Functions
-      = getProgramInfo().getSourceFunctions();
-    outs() << "All defined functions:\n";
-    // FIXME: GDB groups these by source file.  We could do that I guess.
-    for (std::map<const GlobalVariable*, SourceFunctionInfo*>::const_iterator
-           I = Functions.begin(), E = Functions.end(); I != E; ++I) {
-      outs() << I->second->getSymbolicName() << "\n";
-    }
-
-  } else if (What == "source") {
-    if (CurrentFile == 0)
-      throw "No current source file.";
-
-    // Get the SourceFile information for the current file.
-    const SourceFileInfo &SF =
-      getProgramInfo().getSourceFile(CurrentFile->getDescriptor());
-
-    outs() << "Current source file is: " << SF.getBaseName() << "\n"
-            << "Compilation directory is: " << SF.getDirectory() << "\n";
-    if (unsigned NL = CurrentFile->getNumLines())
-      outs() << "Located in: " << CurrentFile->getFilename() << "\n"
-              << "Contains " << NL << " lines\n";
-    else
-      outs() << "Could not find source file.\n";
-    outs() << "Source language is "
-           << SF.getLanguage().getSourceLanguageName() << "\n";
-
-  } else if (What == "sources") {
-    const std::map<const GlobalVariable*, SourceFileInfo*> &SourceFiles =
-      getProgramInfo().getSourceFiles();
-    outs() << "Source files for the program:\n";
-    for (std::map<const GlobalVariable*, SourceFileInfo*>::const_iterator I =
-           SourceFiles.begin(), E = SourceFiles.end(); I != E;) {
-      outs() << I->second->getDirectory() << "/"
-             << I->second->getBaseName();
-      ++I;
-      if (I != E) outs() << ", ";
-    }
-    outs() << "\n";
-  } else if (What == "target") {
-    outs() << Dbg.getRunningProcess().getStatus();
-  } else {
-    // See if this is something handled by the current language.
-    if (getCurrentLanguage().printInfo(What))
-      return;
-
-    throw "Unknown info command '" + What + "'.  Try 'help info'.";
-  }
-}
-
-/// parseLineSpec - Parses a line specifier, for use by the 'list' command.
-/// If SourceFile is returned as a void pointer, then it was not specified.
-/// If the line specifier is invalid, an exception is thrown.
-void CLIDebugger::parseLineSpec(std::string &LineSpec,
-                                const SourceFile *&SourceFile,
-                                unsigned &LineNo) {
-  SourceFile = 0;
-  LineNo = 0;
-
-  // First, check to see if we have a : separator.
-  std::string FirstPart = getToken(LineSpec, ":");
-  std::string SecondPart = getToken(LineSpec, ":");
-  if (!getToken(LineSpec).empty()) throw "Malformed line specification!";
-
-  // If there is no second part, we must have either "function", "number",
-  // "+offset", or "-offset".
-  if (SecondPart.empty()) {
-    if (FirstPart.empty()) throw "Malformed line specification!";
-    if (FirstPart[0] == '+') {
-      FirstPart.erase(FirstPart.begin(), FirstPart.begin()+1);
-      // For +n, return LineListedEnd+n
-      LineNo = LineListedEnd +
-               getUnsignedIntegerOption("Line specifier '+'", FirstPart);
-
-    } else if (FirstPart[0] == '-') {
-      FirstPart.erase(FirstPart.begin(), FirstPart.begin()+1);
-      // For -n, return LineListedEnd-n
-      LineNo = LineListedEnd -
-               getUnsignedIntegerOption("Line specifier '-'", FirstPart);
-      if ((int)LineNo < 1) LineNo = 1;
-    } else if (FirstPart[0] == '*') {
-      throw "Address expressions not supported as source locations!";
-    } else {
-      // Ok, check to see if this is just a line number.
-      std::string Saved = FirstPart;
-      try {
-        LineNo = getUnsignedIntegerOption("", Saved);
-      } catch (...) {
-        // Ok, it's not a valid line number.  It must be a source-language
-        // entity name.
-        std::string Name = getToken(FirstPart);
-        if (!getToken(FirstPart).empty())
-          throw "Extra junk in line specifier after '" + Name + "'.";
-        SourceFunctionInfo *SFI =
-          getCurrentLanguage().lookupFunction(Name, getProgramInfo(),
-                                              TheRuntimeInfo);
-        if (SFI == 0)
-          throw "Unknown identifier '" + Name + "'.";
-
-        unsigned L, C;
-        SFI->getSourceLocation(L, C);
-        if (L == 0) throw "Could not locate '" + Name + "'!";
-        LineNo = L;
-        SourceFile = &SFI->getSourceFile().getSourceText();
-        return;
-      }
-    }
-
-  } else {
-    // Ok, this must be a filename qualified line number or function name.
-    // First, figure out the source filename.
-    std::string SourceFilename = getToken(FirstPart);
-    if (!getToken(FirstPart).empty())
-      throw "Invalid filename qualified source location!";
-
-    // Next, check to see if this is just a line number.
-    std::string Saved = SecondPart;
-    try {
-      LineNo = getUnsignedIntegerOption("", Saved);
-    } catch (...) {
-      // Ok, it's not a valid line number.  It must be a function name.
-      throw "FIXME: Filename qualified function names are not support "
-            "as line specifiers yet!";
-    }
-
-    // Ok, we got the line number.  Now check out the source file name to make
-    // sure it's all good.  If it is, return it.  If not, throw exception.
-    SourceFile =&getProgramInfo().getSourceFile(SourceFilename).getSourceText();
-  }
-}
-
-void CLIDebugger::listCommand(std::string &Options) {
-  if (!Dbg.isProgramLoaded())
-    throw "No program is loaded.  Use the 'file' command.";
-
-  // Handle "list foo," correctly, by returning " " as the second token
-  Options += " ";
-
-  std::string FirstLineSpec = getToken(Options, ",");
-  std::string SecondLineSpec = getToken(Options, ",");
-  if (!getToken(Options, ",").empty())
-    throw "list command only expects two source location specifiers!";
-
-  // StartLine, EndLine - The starting and ending line numbers to print.
-  unsigned StartLine = 0, EndLine = 0;
-
-  if (SecondLineSpec.empty()) {    // No second line specifier provided?
-    // Handle special forms like "", "+", "-", etc.
-    std::string TmpSpec = FirstLineSpec;
-    std::string Tok = getToken(TmpSpec);
-    if (getToken(TmpSpec).empty() && (Tok == "" || Tok == "+" || Tok == "-")) {
-      if (Tok == "+" || Tok == "") {
-        StartLine = LineListedEnd;
-        EndLine = StartLine + ListSize;
-      } else {
-        assert(Tok == "-");
-        StartLine = LineListedStart-ListSize;
-        EndLine = LineListedStart;
-        if ((int)StartLine <= 0) StartLine = 1;
-      }
-    } else {
-      // Must be a normal line specifier.
-      const SourceFile *File;
-      unsigned LineNo;
-      parseLineSpec(FirstLineSpec, File, LineNo);
-
-      // If the user only specified one file specifier, we should display
-      // ListSize lines centered at the specified line.
-      if (File != 0) CurrentFile = File;
-      StartLine = LineNo - (ListSize+1)/2;
-      if ((int)StartLine <= 0) StartLine = 1;
-      EndLine = StartLine + ListSize;
-    }
-
-  } else {
-    // Parse two line specifiers...
-    const SourceFile *StartFile, *EndFile;
-    unsigned StartLineNo, EndLineNo;
-    parseLineSpec(FirstLineSpec, StartFile, StartLineNo);
-    unsigned SavedLLE = LineListedEnd;
-    LineListedEnd = StartLineNo;
-    try {
-      parseLineSpec(SecondLineSpec, EndFile, EndLineNo);
-    } catch (...) {
-      LineListedEnd = SavedLLE;
-      throw;
-    }
-
-    // Inherit file specified by the first line spec if there was one.
-    if (EndFile == 0) EndFile = StartFile;
-
-    if (StartFile != EndFile)
-      throw "Start and end line specifiers are in different files!";
-    CurrentFile = StartFile;
-    StartLine = StartLineNo;
-    EndLine = EndLineNo+1;
-  }
-
-  assert((int)StartLine > 0 && (int)EndLine > 0 && StartLine <= EndLine &&
-         "Error reading line specifiers!");
-
-  // If there was no current file, and the user didn't specify one to list, we
-  // have an error.
-  if (CurrentFile == 0)
-    throw "There is no current file to list.";
-
-  // Remember for next time.
-  LineListedStart = StartLine;
-  LineListedEnd = StartLine;
-
-  for (unsigned LineNo = StartLine; LineNo != EndLine; ++LineNo) {
-    // Print the source line, unless it is invalid.
-    if (printSourceLine(LineNo))
-      break;
-    LineListedEnd = LineNo+1;
-  }
-
-  // If we didn't print any lines, find out why.
-  if (LineListedEnd == StartLine) {
-    // See if we can read line #0 from the file, if not, we couldn't load the
-    // file.
-    const char *LineStart, *LineEnd;
-    CurrentFile->getSourceLine(0, LineStart, LineEnd);
-    if (LineStart == 0)
-      throw "Could not load source file '" + CurrentFile->getFilename() + "'!";
-    else
-      outs() << "<end of file>\n";
-  }
-}
-
-void CLIDebugger::setCommand(std::string &Options) {
-  std::string What = getToken(Options);
-
-  if (What.empty())
-    throw "set command expects at least two arguments.";
-  if (What == "args") {
-    parseProgramOptions(Options);
-  } else if (What == "language") {
-    std::string Lang = getToken(Options);
-    if (!getToken(Options).empty())
-      throw "set language expects one argument at most.";
-    if (Lang == "") {
-      outs() << "The currently understood settings are:\n\n"
-             << "local or auto  Automatic setting based on source file\n"
-             << "c              Use the C language\n"
-             << "c++            Use the C++ language\n"
-             << "unknown        Use when source language is not supported\n";
-    } else if (Lang == "local" || Lang == "auto") {
-      CurrentLanguage = 0;
-    } else if (Lang == "c") {
-      CurrentLanguage = &SourceLanguage::getCFamilyInstance();
-    } else if (Lang == "c++") {
-      CurrentLanguage = &SourceLanguage::getCPlusPlusInstance();
-    } else if (Lang == "unknown") {
-      CurrentLanguage = &SourceLanguage::getUnknownLanguageInstance();
-    } else {
-      throw "Unknown language '" + Lang + "'.";
-    }
-
-  } else if (What == "listsize") {
-    ListSize = getUnsignedIntegerOption("'set prompt' command", Options);
-  } else if (What == "prompt") {
-    // Include any trailing whitespace or other tokens, but not leading
-    // whitespace.
-    Prompt = getToken(Options);  // Strip leading whitespace
-    Prompt += Options;           // Keep trailing whitespace or other stuff
-  } else {
-    // FIXME: Try to parse this as a source-language program expression.
-    throw "Don't know how to set '" + What + "'!";
-  }
-}
-
-void CLIDebugger::showCommand(std::string &Options) {
-  std::string What = getToken(Options);
-
-  if (What.empty() || !getToken(Options).empty())
-    throw "show command expects one argument.";
-
-  if (What == "args") {
-    outs() << "Argument list to give program when started is \"";
-    // FIXME: This doesn't print stuff correctly if the arguments have spaces in
-    // them, but currently the only way to get that is to use the --args command
-    // line argument.  This should really handle escaping all hard characters as
-    // needed.
-    for (unsigned i = 0, e = Dbg.getNumProgramArguments(); i != e; ++i)
-      outs() << (i ? " " : "") << Dbg.getProgramArgument(i);
-    outs() << "\"\n";
-
-  } else if (What == "language") {
-    outs() << "The current source language is '";
-    if (CurrentLanguage)
-      outs() << CurrentLanguage->getSourceLanguageName();
-    else
-      outs() << "auto; currently "
-             << getCurrentLanguage().getSourceLanguageName();
-    outs() << "'.\n";
-  } else if (What == "listsize") {
-    outs() << "Number of source lines llvm-db will list by default is "
-           << ListSize << ".\n";
-  } else if (What == "prompt") {
-    outs() << "llvm-db's prompt is \"" << Prompt << "\".\n";
-  } else {
-    throw "Unknown show command '" + What + "'.  Try 'help show'.";
-  }
-}
-
-void CLIDebugger::helpCommand(std::string &Options) {
-  // Print out all of the commands in the CommandTable
-  std::string Command = getToken(Options);
-  if (!getToken(Options).empty())
-    throw "help command takes at most one argument.";
-
-  // Getting detailed help on a particular command?
-  if (!Command.empty()) {
-    CLICommand *C = getCommand(Command);
-    outs() << C->getShortHelp() << ".\n" << C->getLongHelp();
-
-    // If there are aliases for this option, print them out.
-    const std::vector<std::string> &Names = C->getOptionNames();
-    if (Names.size() > 1) {
-      outs() << "The '" << Command << "' command is known as: '"
-             << Names[0] << "'";
-      for (unsigned i = 1, e = Names.size(); i != e; ++i)
-        outs() << ", '" << Names[i] << "'";
-      outs() << "\n";
-    }
-
-  } else {
-    unsigned MaxSize = 0;
-    for (std::map<std::string, CLICommand*>::iterator I = CommandTable.begin(),
-           E = CommandTable.end(); I != E; ++I)
-      if (I->first.size() > MaxSize &&
-          I->first == I->second->getPrimaryOptionName())
-        MaxSize = I->first.size();
-
-    // Loop over all of the commands, printing the short help version
-    for (std::map<std::string, CLICommand*>::iterator I = CommandTable.begin(),
-           E = CommandTable.end(); I != E; ++I)
-      if (I->first == I->second->getPrimaryOptionName())
-        outs() << I->first << std::string(MaxSize - I->first.size(), ' ')
-               << " - " << I->second->getShortHelp() << "\n";
-  }
-}
diff --git a/tools/llvm-db/Makefile b/tools/llvm-db/Makefile
deleted file mode 100644
index df81649..0000000
--- a/tools/llvm-db/Makefile
+++ /dev/null
@@ -1,15 +0,0 @@
-##===- tools/llvm-db/Makefile ------------------------------*- Makefile -*-===##
-# 
-#                     The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-# 
-##===----------------------------------------------------------------------===##
-
-LEVEL = ../..
-TOOLNAME = llvm-db
-LINK_COMPONENTS := debugger
-REQUIRES_EH := 1
-
-include $(LEVEL)/Makefile.common
diff --git a/tools/llvm-db/llvm-db.cpp b/tools/llvm-db/llvm-db.cpp
deleted file mode 100644
index 463a1bd..0000000
--- a/tools/llvm-db/llvm-db.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-//===- llvm-db.cpp - LLVM Debugger ----------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This utility implements a simple text-mode front-end to the LLVM debugger
-// library.
-//
-//===----------------------------------------------------------------------===//
-
-#include "CLIDebugger.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Signals.h"
-using namespace llvm;
-
-namespace {
-  // Command line options for specifying the program to debug and options to use
-  cl::opt<std::string>
-  InputFile(cl::desc("<program>"), cl::Positional, cl::init(""));
-
-  cl::list<std::string>
-  InputArgs("args", cl::Positional, cl::desc("<program and arguments>"),
-            cl::ZeroOrMore);
-
-  // Command line options to control various directory related stuff
-  cl::list<std::string>
-  SourceDirectories("directory", cl::value_desc("directory"),
-                    cl::desc("Add directory to the search for source files"));
-  cl::alias SDA("d", cl::desc("Alias for --directory"),
-                cl::aliasopt(SourceDirectories));
-
-  cl::opt<std::string>
-  WorkingDirectory("cd", cl::desc("Use directory as current working directory"),
-                   cl::value_desc("directory"));
-
-  // Command line options specific to the llvm-db debugger driver
-  cl::opt<bool> Quiet("quiet", cl::desc("Do not print introductory messages"));
-  cl::alias QA1("silent", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
-  cl::alias QA2("q", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
-}
-
-//===----------------------------------------------------------------------===//
-// main Driver function
-//
-int main(int argc, char **argv, char * const *envp) {
-  // Print a stack trace if we signal out.
-  sys::PrintStackTraceOnErrorSignal();
-  PrettyStackTraceProgram X(argc, argv);
-  
-  LLVMContext &Context = getGlobalContext();
-  llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
-  outs() << "NOTE: llvm-db is known useless right now.\n";
-  try {
-    cl::ParseCommandLineOptions(argc, argv,
-                                "llvm source-level debugger\n");
-
-    if (!Quiet)
-      outs() << "llvm-db: The LLVM source-level debugger\n";
-
-    // Merge Inputfile and InputArgs into the InputArgs list...
-    if (!InputFile.empty() && InputArgs.empty())
-      InputArgs.push_back(InputFile);
-
-    // Create the CLI debugger...
-    CLIDebugger D(Context);
-
-    // Initialize the debugger with the command line options we read...
-    Debugger &Dbg = D.getDebugger();
-
-    // Initialize the debugger environment.
-    Dbg.initializeEnvironment(envp);
-    Dbg.setWorkingDirectory(WorkingDirectory);
-    for (unsigned i = 0, e = SourceDirectories.size(); i != e; ++i)
-      D.addSourceDirectory(SourceDirectories[i]);
-
-    if (!InputArgs.empty()) {
-      try {
-        D.fileCommand(InputArgs[0]);
-      } catch (const std::string &Error) {
-        outs() << "Error: " << Error << "\n";
-      }
-
-      Dbg.setProgramArguments(InputArgs.begin()+1, InputArgs.end());
-    }
-
-    // Now that we have initialized the debugger, run it.
-    return D.run();
-  } catch (const std::string& msg) {
-    errs() << argv[0] << ": " << msg << "\n";
-  } catch (...) {
-    errs() << argv[0] << ": Unexpected unknown exception occurred.\n";
-  }
-  return 1;
-}