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https://github.com/opnsense/src.git
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1c3bbb013d
Notable upstream commits (upstream revision in parens): - Add a JSON producer to LLDB (228636) - Don't crash on bad DWARF expression (228729) - Add support of DWARFv3 DW_OP_form_tls_address (231342) - Assembly profiler for MIPS64 (232619) - Handle FreeBSD/arm64 core files (233273) - Read/Write register for MIPS64 (233685) - Rework LLDB system initialization (233758) - SysV ABI for aarch64 (236098) - MIPS software single stepping (236696) - FreeBSD/arm live debugging support (237303) - Assembly profiler for mips32 (237420) - Parse function name from DWARF DW_AT_abstract_origin (238307) - Improve LLDB prompt handling (238313) - Add real time signals support to FreeBSDSignals (238316) - Fix race in IOHandlerProcessSTDIO (238423) - MIPS64 Branch instruction emulation for SW single stepping (238820) - Improve OSType initialization in elf object file's arch_spec (239148) - Emulation of MIPS64 floating-point branch instructions (239996) - ABI Plugin for MIPS32 (239997) - ABI Plugin for MIPS64 (240123) - MIPS32 branch emulation and single stepping (240373) - Improve instruction emulation based stack unwinding on ARM (240533) - Add branch emulation to aarch64 instruction emulator (240769)
117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
//===-- CommandObjectSyntax.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 "CommandObjectSyntax.h"
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// C Includes
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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/Interpreter/Options.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/Interpreter/CommandObjectMultiword.h"
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using namespace lldb;
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using namespace lldb_private;
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//-------------------------------------------------------------------------
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// CommandObjectSyntax
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//-------------------------------------------------------------------------
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CommandObjectSyntax::CommandObjectSyntax (CommandInterpreter &interpreter) :
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CommandObjectParsed (interpreter,
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"syntax",
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"Shows the correct syntax for a given debugger command.",
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"syntax <command>")
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{
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CommandArgumentEntry arg;
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CommandArgumentData command_arg;
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// Define the first (and only) variant of this arg.
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command_arg.arg_type = eArgTypeCommandName;
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command_arg.arg_repetition = eArgRepeatPlain;
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// There is only one variant this argument could be; put it into the argument entry.
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arg.push_back (command_arg);
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// Push the data for the first argument into the m_arguments vector.
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m_arguments.push_back (arg);
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}
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CommandObjectSyntax::~CommandObjectSyntax()
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{
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}
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bool
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CommandObjectSyntax::DoExecute (Args& command, CommandReturnObject &result)
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{
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CommandObject::CommandMap::iterator pos;
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CommandObject *cmd_obj;
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const size_t argc = command.GetArgumentCount();
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if (argc > 0)
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{
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cmd_obj = m_interpreter.GetCommandObject (command.GetArgumentAtIndex(0));
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bool all_okay = true;
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for (size_t i = 1; i < argc; ++i)
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{
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std::string sub_command = command.GetArgumentAtIndex (i);
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if (!cmd_obj->IsMultiwordObject())
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{
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all_okay = false;
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break;
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}
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else
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{
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cmd_obj = cmd_obj->GetSubcommandObject(sub_command.c_str());
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if (!cmd_obj)
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{
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all_okay = false;
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break;
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}
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}
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}
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if (all_okay && (cmd_obj != NULL))
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{
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Stream &output_strm = result.GetOutputStream();
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if (cmd_obj->GetOptions() != NULL)
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{
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output_strm.Printf ("\nSyntax: %s\n", cmd_obj->GetSyntax());
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output_strm.Printf ("(Try 'help %s' for more information on command options syntax.)\n",
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cmd_obj->GetCommandName());
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result.SetStatus (eReturnStatusSuccessFinishNoResult);
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}
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else
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{
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output_strm.Printf ("\nSyntax: %s\n", cmd_obj->GetSyntax());
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result.SetStatus (eReturnStatusSuccessFinishNoResult);
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}
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}
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else
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{
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std::string cmd_string;
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command.GetCommandString (cmd_string);
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result.AppendErrorWithFormat ("'%s' is not a known command.\n", cmd_string.c_str());
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result.AppendError ("Try 'help' to see a current list of commands.");
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result.SetStatus (eReturnStatusFailed);
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}
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}
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else
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{
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result.AppendError ("Must call 'syntax' with a valid command.");
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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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