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a701509229
accessed by the objects that own the settings. The previous approach wasn't very usable and made for a lot of unnecessary code just to access variables that were already owned by the objects. While I fixed those things, I saw that CommandObject objects should really have a reference to their command interpreter so they can access the terminal with if they want to output usaage. Fixed up all CommandObjects to take an interpreter and cleaned up the API to not need the interpreter to be passed in. Fixed the disassemble command to output the usage if no options are passed down and arguments are passed (all disassebmle variants take options, there are no "args only"). llvm-svn: 114252
429 lines
15 KiB
C++
429 lines
15 KiB
C++
//===-- CommandObjectTarget.cpp ---------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "CommandObjectTarget.h"
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// C Includes
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#include <errno.h>
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#include <sys/errno.h>
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Interpreter/Args.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Core/Timer.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/CommandReturnObject.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/StackFrame.h"
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#include "lldb/Target/Thread.h"
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using namespace lldb;
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using namespace lldb_private;
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#pragma mark CommandObjectTargetImageSearchPaths
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class CommandObjectTargetImageSearchPathsAdd : public CommandObject
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{
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public:
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CommandObjectTargetImageSearchPathsAdd (CommandInterpreter &interpreter) :
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CommandObject (interpreter,
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"target image-search-paths add",
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"Add new image search paths substitution pairs to the current target.",
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"target image-search-paths add <path-prefix> <new-path-prefix> [<path-prefix> <new-path-prefix>] ...")
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{
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}
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~CommandObjectTargetImageSearchPathsAdd ()
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{
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}
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bool
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Execute (Args& command,
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CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (target)
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{
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uint32_t argc = command.GetArgumentCount();
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if (argc & 1)
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{
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result.AppendError ("add requires an even number of arguments");
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result.SetStatus (eReturnStatusFailed);
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}
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else
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{
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for (uint32_t i=0; i<argc; i+=2)
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{
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const char *from = command.GetArgumentAtIndex(i);
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const char *to = command.GetArgumentAtIndex(i+1);
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if (from[0] && to[0])
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{
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bool last_pair = ((argc - i) == 2);
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target->GetImageSearchPathList().Append (ConstString(from),
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ConstString(to),
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last_pair); // Notify if this is the last pair
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}
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else
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{
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if (from[0])
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result.AppendError ("<path-prefix> can't be empty");
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else
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result.AppendError ("<new-path-prefix> can't be empty");
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result.SetStatus (eReturnStatusFailed);
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}
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}
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}
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}
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else
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{
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result.AppendError ("invalid target");
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result.SetStatus (eReturnStatusFailed);
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}
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return result.Succeeded();
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}
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};
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class CommandObjectTargetImageSearchPathsClear : public CommandObject
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{
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public:
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CommandObjectTargetImageSearchPathsClear (CommandInterpreter &interpreter) :
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CommandObject (interpreter,
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"target image-search-paths clear",
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"Clear all current image search path substitution pairs from the current target.",
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"target image-search-paths clear")
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{
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}
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~CommandObjectTargetImageSearchPathsClear ()
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{
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}
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bool
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Execute (Args& command,
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CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (target)
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{
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bool notify = true;
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target->GetImageSearchPathList().Clear(notify);
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}
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else
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{
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result.AppendError ("invalid target");
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result.SetStatus (eReturnStatusFailed);
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}
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return result.Succeeded();
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}
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};
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class CommandObjectTargetImageSearchPathsInsert : public CommandObject
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{
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public:
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CommandObjectTargetImageSearchPathsInsert (CommandInterpreter &interpreter) :
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CommandObject (interpreter,
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"target image-search-paths insert",
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"Insert a new image search path substitution pair into the current target at the specified index.",
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"target image-search-paths insert <index> <path-prefix> <new-path-prefix> [<path-prefix> <new-path-prefix>] ...")
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{
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}
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~CommandObjectTargetImageSearchPathsInsert ()
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{
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}
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bool
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Execute (Args& command,
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CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (target)
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{
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uint32_t argc = command.GetArgumentCount();
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// check for at least 3 arguments and an odd nubmer of parameters
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if (argc >= 3 && argc & 1)
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{
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bool success = false;
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uint32_t insert_idx = Args::StringToUInt32(command.GetArgumentAtIndex(0), UINT32_MAX, 0, &success);
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if (!success)
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{
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result.AppendErrorWithFormat("<index> parameter is not an integer: '%s'.\n", command.GetArgumentAtIndex(0));
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result.SetStatus (eReturnStatusFailed);
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return result.Succeeded();
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}
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// shift off the index
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command.Shift();
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argc = command.GetArgumentCount();
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for (uint32_t i=0; i<argc; i+=2, ++insert_idx)
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{
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const char *from = command.GetArgumentAtIndex(i);
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const char *to = command.GetArgumentAtIndex(i+1);
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if (from[0] && to[0])
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{
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bool last_pair = ((argc - i) == 2);
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target->GetImageSearchPathList().Insert (ConstString(from),
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ConstString(to),
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insert_idx,
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last_pair);
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}
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else
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{
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if (from[0])
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result.AppendError ("<path-prefix> can't be empty");
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else
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result.AppendError ("<new-path-prefix> can't be empty");
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result.SetStatus (eReturnStatusFailed);
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return false;
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}
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}
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}
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else
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{
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result.AppendError ("insert requires at least three arguments");
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result.SetStatus (eReturnStatusFailed);
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return result.Succeeded();
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}
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}
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else
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{
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result.AppendError ("invalid target");
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result.SetStatus (eReturnStatusFailed);
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}
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return result.Succeeded();
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}
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};
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class CommandObjectTargetImageSearchPathsList : public CommandObject
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{
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public:
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CommandObjectTargetImageSearchPathsList (CommandInterpreter &interpreter) :
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CommandObject (interpreter,
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"target image-search-paths list",
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"List all current image search path substitution pairs in the current target.",
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"target image-search-paths list")
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{
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}
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~CommandObjectTargetImageSearchPathsList ()
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{
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}
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bool
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Execute (Args& command,
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CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (target)
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{
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if (command.GetArgumentCount() != 0)
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{
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result.AppendError ("list takes no arguments");
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result.SetStatus (eReturnStatusFailed);
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return result.Succeeded();
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}
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target->GetImageSearchPathList().Dump(&result.GetOutputStream());
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}
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else
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{
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result.AppendError ("invalid target");
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result.SetStatus (eReturnStatusFailed);
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}
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return result.Succeeded();
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}
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};
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class CommandObjectTargetImageSearchPathsQuery : public CommandObject
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{
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public:
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CommandObjectTargetImageSearchPathsQuery (CommandInterpreter &interpreter) :
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CommandObject (interpreter,
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"target image-search-paths query",
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"Transform a path using the first applicable image search path.",
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"target image-search-paths query <path>")
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{
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}
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~CommandObjectTargetImageSearchPathsQuery ()
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{
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}
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bool
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Execute (Args& command,
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CommandReturnObject &result)
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{
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Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get();
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if (target)
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{
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if (command.GetArgumentCount() != 1)
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{
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result.AppendError ("query requires one argument");
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result.SetStatus (eReturnStatusFailed);
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return result.Succeeded();
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}
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ConstString orig(command.GetArgumentAtIndex(0));
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ConstString transformed;
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if (target->GetImageSearchPathList().RemapPath(orig, transformed))
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result.GetOutputStream().Printf("%s\n", transformed.GetCString());
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else
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result.GetOutputStream().Printf("%s\n", orig.GetCString());
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}
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else
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{
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result.AppendError ("invalid target");
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result.SetStatus (eReturnStatusFailed);
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}
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return result.Succeeded();
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}
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};
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// TODO: implement the target select later when we start doing multiple targets
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//#pragma mark CommandObjectTargetSelect
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//
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////-------------------------------------------------------------------------
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//// CommandObjectTargetSelect
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////-------------------------------------------------------------------------
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//
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//class CommandObjectTargetSelect : public CommandObject
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//{
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//public:
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//
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// CommandObjectTargetSelect () :
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// CommandObject (interpreter,
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// frame select",
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// "Select the current frame by index in the current thread.",
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// "frame select <frame-index>")
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// {
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// }
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//
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// ~CommandObjectTargetSelect ()
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// {
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// }
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//
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// bool
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// Execute (Args& command,
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// Debugger *context,
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// CommandInterpreter &m_interpreter,
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// CommandReturnObject &result)
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// {
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// ExecutionContext exe_ctx (context->GetExecutionContext());
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// if (exe_ctx.thread)
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// {
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// if (command.GetArgumentCount() == 1)
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// {
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// const char *frame_idx_cstr = command.GetArgumentAtIndex(0);
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//
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// const uint32_t num_frames = exe_ctx.thread->GetStackFrameCount();
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// const uint32_t frame_idx = Args::StringToUInt32 (frame_idx_cstr, UINT32_MAX, 0);
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// if (frame_idx < num_frames)
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// {
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// exe_ctx.thread->SetSelectedFrameByIndex (frame_idx);
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// exe_ctx.frame = exe_ctx.thread->GetSelectedFrame ().get();
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//
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// if (exe_ctx.frame)
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// {
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// if (DisplayFrameForExecutionContext (exe_ctx.thread,
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// exe_ctx.frame,
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// m_interpreter,
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// result.GetOutputStream(),
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// true,
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// true,
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// 3,
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// 3))
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// {
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// result.SetStatus (eReturnStatusSuccessFinishResult);
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// return result.Succeeded();
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// }
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// }
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// }
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// if (frame_idx == UINT32_MAX)
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// result.AppendErrorWithFormat ("Invalid frame index: %s.\n", frame_idx_cstr);
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// else
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// result.AppendErrorWithFormat ("Frame index (%u) out of range.\n", frame_idx);
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// }
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// else
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// {
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// result.AppendError ("invalid arguments");
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// result.AppendErrorWithFormat ("Usage: %s\n", m_cmd_syntax.c_str());
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// }
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// }
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// else
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// {
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// result.AppendError ("no current thread");
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// }
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// result.SetStatus (eReturnStatusFailed);
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// return false;
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// }
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//};
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#pragma mark CommandObjectMultiwordTarget
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//-------------------------------------------------------------------------
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// CommandObjectMultiwordImageSearchPaths
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//-------------------------------------------------------------------------
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class CommandObjectMultiwordImageSearchPaths : public CommandObjectMultiword
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{
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public:
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CommandObjectMultiwordImageSearchPaths (CommandInterpreter &interpreter) :
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CommandObjectMultiword (interpreter,
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"target image-search-paths",
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"A set of commands for operating on debugger target image search paths.",
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"target image-search-paths <subcommand> [<subcommand-options>]")
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{
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LoadSubCommand ("add", CommandObjectSP (new CommandObjectTargetImageSearchPathsAdd (interpreter)));
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LoadSubCommand ("clear", CommandObjectSP (new CommandObjectTargetImageSearchPathsClear (interpreter)));
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LoadSubCommand ("insert", CommandObjectSP (new CommandObjectTargetImageSearchPathsInsert (interpreter)));
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LoadSubCommand ("list", CommandObjectSP (new CommandObjectTargetImageSearchPathsList (interpreter)));
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LoadSubCommand ("query", CommandObjectSP (new CommandObjectTargetImageSearchPathsQuery (interpreter)));
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}
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~CommandObjectMultiwordImageSearchPaths()
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{
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}
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};
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#pragma mark CommandObjectMultiwordTarget
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//-------------------------------------------------------------------------
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// CommandObjectMultiwordTarget
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//-------------------------------------------------------------------------
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CommandObjectMultiwordTarget::CommandObjectMultiwordTarget (CommandInterpreter &interpreter) :
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CommandObjectMultiword (interpreter,
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"target",
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"A set of commands for operating on debugger targets.",
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"target <subcommand> [<subcommand-options>]")
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{
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LoadSubCommand ("image-search-paths", CommandObjectSP (new CommandObjectMultiwordImageSearchPaths (interpreter)));
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}
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CommandObjectMultiwordTarget::~CommandObjectMultiwordTarget ()
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{
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}
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