[Commands] Remove dead code for unused `args` command.
It wasn't even registered. (lldb) apropos args No commands found pertaining to 'args'. Try 'help' to see a complete list of debugger commands. llvm-svn: 328370
This commit is contained in:
Davide Italiano
parent
e4d34c0d56
commit
88ad88667c
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@ -379,7 +379,6 @@
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2689000F13353DB600698AC0 /* StoppointLocation.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7E1710F1B83100F91463 /* StoppointLocation.cpp */; };
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2689001113353DB600698AC0 /* Watchpoint.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7E1810F1B83100F91463 /* Watchpoint.cpp */; };
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2689001213353DDE00698AC0 /* CommandObjectApropos.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4CA9637911B6E99A00780E28 /* CommandObjectApropos.cpp */; };
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2689001313353DDE00698AC0 /* CommandObjectArgs.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 499F381F11A5B3F300F5CE02 /* CommandObjectArgs.cpp */; };
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2689001413353DDE00698AC0 /* CommandObjectBreakpoint.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 26BC7E2D10F1B84700F91463 /* CommandObjectBreakpoint.cpp */; };
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2689001513353DDE00698AC0 /* CommandObjectBreakpointCommand.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 9A42976211861AA600FE05CD /* CommandObjectBreakpointCommand.cpp */; };
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2689001613353DDE00698AC0 /* CommandObjectCommands.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4C5DBBC611E3FEC60035160F /* CommandObjectCommands.cpp */; };
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@ -2510,8 +2509,6 @@
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4987FB1C1F30EC6000E5C17D /* SBProcessInfo.i */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c.preprocessed; path = SBProcessInfo.i; sourceTree = "<group>"; };
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4987FB1E1F30EC7E00E5C17D /* SBProcessInfo.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SBProcessInfo.cpp; path = source/API/SBProcessInfo.cpp; sourceTree = "<group>"; };
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4987FB201F30EC9900E5C17D /* SBProcessInfo.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = SBProcessInfo.h; path = include/lldb/API/SBProcessInfo.h; sourceTree = "<group>"; };
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499F381E11A5B3F300F5CE02 /* CommandObjectArgs.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = CommandObjectArgs.h; path = source/Commands/CommandObjectArgs.h; sourceTree = "<group>"; };
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499F381F11A5B3F300F5CE02 /* CommandObjectArgs.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CommandObjectArgs.cpp; path = source/Commands/CommandObjectArgs.cpp; sourceTree = "<group>"; };
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49A1CAC11430E21D00306AC9 /* ExpressionSourceCode.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ExpressionSourceCode.h; path = include/lldb/Expression/ExpressionSourceCode.h; sourceTree = "<group>"; };
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49A1CAC31430E8BD00306AC9 /* ExpressionSourceCode.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = ExpressionSourceCode.cpp; path = source/Expression/ExpressionSourceCode.cpp; sourceTree = "<group>"; };
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49A8A39F11D568A300AD3B68 /* ASTResultSynthesizer.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = ASTResultSynthesizer.cpp; path = ExpressionParser/Clang/ASTResultSynthesizer.cpp; sourceTree = "<group>"; };
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@ -5170,8 +5167,6 @@
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children = (
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4CA9637A11B6E99A00780E28 /* CommandObjectApropos.h */,
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4CA9637911B6E99A00780E28 /* CommandObjectApropos.cpp */,
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499F381E11A5B3F300F5CE02 /* CommandObjectArgs.h */,
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499F381F11A5B3F300F5CE02 /* CommandObjectArgs.cpp */,
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26BC7D1410F1B76300F91463 /* CommandObjectBreakpoint.h */,
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26BC7E2D10F1B84700F91463 /* CommandObjectBreakpoint.cpp */,
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9A42976111861A9F00FE05CD /* CommandObjectBreakpointCommand.h */,
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@ -7529,7 +7524,6 @@
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AE44FB4C1BB4BB540033EB62 /* GoFormatterFunctions.cpp in Sources */,
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8C3BD9961EF45DA50016C343 /* MainThreadCheckerRuntime.cpp in Sources */,
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23042D121976CA1D00621B2C /* PlatformKalimba.cpp in Sources */,
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2689001313353DDE00698AC0 /* CommandObjectArgs.cpp in Sources */,
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2689001413353DDE00698AC0 /* CommandObjectBreakpoint.cpp in Sources */,
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2689001513353DDE00698AC0 /* CommandObjectBreakpointCommand.cpp in Sources */,
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2689001613353DDE00698AC0 /* CommandObjectCommands.cpp in Sources */,
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@ -1,234 +0,0 @@
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//===-- CommandObjectArgs.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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// 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 "CommandObjectArgs.h"
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#include "Plugins/ExpressionParser/Clang/ClangExpressionVariable.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/Value.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Host/OptionParser.h"
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#include "lldb/Interpreter/Args.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/Symbol/ClangASTContext.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Symbol/Variable.h"
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#include "lldb/Target/ABI.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/Target.h"
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#include "lldb/Target/Thread.h"
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#include "llvm/ADT/StringSwitch.h"
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using namespace lldb;
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using namespace lldb_private;
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// This command is a toy. I'm just using it to have a way to construct the
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// arguments to
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// calling functions.
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//
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static OptionDefinition g_arg_options[] = {
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// clang-format off
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{ LLDB_OPT_SET_1, false, "debug", 'g', OptionParser::eNoArgument, nullptr, nullptr, 0, eArgTypeNone, "Enable verbose debug logging of the expression parsing and evaluation." },
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// clang-format on
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};
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CommandObjectArgs::CommandOptions::CommandOptions(
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CommandInterpreter &interpreter)
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: Options() {
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// Keep only one place to reset the values to their defaults
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OptionParsingStarting(nullptr);
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}
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CommandObjectArgs::CommandOptions::~CommandOptions() = default;
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Status CommandObjectArgs::CommandOptions::SetOptionValue(
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uint32_t option_idx, llvm::StringRef option_arg,
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ExecutionContext *execution_context) {
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Status error;
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const int short_option = m_getopt_table[option_idx].val;
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error.SetErrorStringWithFormat("invalid short option character '%c'",
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short_option);
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return error;
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}
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void CommandObjectArgs::CommandOptions::OptionParsingStarting(
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ExecutionContext *execution_context) {}
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llvm::ArrayRef<OptionDefinition>
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CommandObjectArgs::CommandOptions::GetDefinitions() {
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return llvm::makeArrayRef(g_arg_options);
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}
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CommandObjectArgs::CommandObjectArgs(CommandInterpreter &interpreter)
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: CommandObjectParsed(interpreter, "args",
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"When stopped at the start of a function, reads "
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"function arguments of type (u?)int(8|16|32|64)_t, "
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"(void|char)*",
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"args"),
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m_options(interpreter) {}
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CommandObjectArgs::~CommandObjectArgs() = default;
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Options *CommandObjectArgs::GetOptions() { return &m_options; }
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bool CommandObjectArgs::DoExecute(Args &args, CommandReturnObject &result) {
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ConstString target_triple;
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Process *process = m_exe_ctx.GetProcessPtr();
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if (!process) {
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result.AppendError("Args found no process.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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const ABI *abi = process->GetABI().get();
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if (!abi) {
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result.AppendError("The current process has no ABI.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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if (args.empty()) {
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result.AppendError("args requires at least one argument");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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Thread *thread = m_exe_ctx.GetThreadPtr();
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if (!thread) {
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result.AppendError("args found no thread.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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lldb::StackFrameSP thread_cur_frame = thread->GetSelectedFrame();
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if (!thread_cur_frame) {
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result.AppendError("The current thread has no current frame.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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ModuleSP thread_module_sp(
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thread_cur_frame->GetFrameCodeAddress().GetModule());
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if (!thread_module_sp) {
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result.AppendError("The PC has no associated module.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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TypeSystem *type_system =
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thread_module_sp->GetTypeSystemForLanguage(eLanguageTypeC);
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if (type_system == nullptr) {
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result.AppendError("Unable to create C type system.");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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ValueList value_list;
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for (auto &arg_entry : args.entries()) {
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llvm::StringRef arg_type = arg_entry.ref;
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Value value;
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value.SetValueType(Value::eValueTypeScalar);
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CompilerType compiler_type;
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std::size_t int_pos = arg_type.find("int");
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if (int_pos != llvm::StringRef::npos) {
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Encoding encoding = eEncodingSint;
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int width = 0;
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if (int_pos > 1) {
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result.AppendErrorWithFormat("Invalid format: %s.\n",
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arg_entry.c_str());
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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if (int_pos == 1 && arg_type[0] != 'u') {
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result.AppendErrorWithFormat("Invalid format: %s.\n",
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arg_entry.c_str());
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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if (arg_type[0] == 'u') {
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encoding = eEncodingUint;
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}
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llvm::StringRef width_spec = arg_type.drop_front(int_pos + 3);
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auto exp_result = llvm::StringSwitch<llvm::Optional<int>>(width_spec)
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.Case("8_t", 8)
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.Case("16_t", 16)
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.Case("32_t", 32)
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.Case("64_t", 64)
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.Default(llvm::None);
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if (!exp_result.hasValue()) {
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result.AppendErrorWithFormat("Invalid format: %s.\n",
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arg_entry.c_str());
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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width = *exp_result;
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compiler_type =
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type_system->GetBuiltinTypeForEncodingAndBitSize(encoding, width);
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if (!compiler_type.IsValid()) {
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result.AppendErrorWithFormat(
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"Couldn't get Clang type for format %s (%s integer, width %d).\n",
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arg_entry.c_str(),
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(encoding == eEncodingSint ? "signed" : "unsigned"), width);
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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} else if (arg_type == "void*") {
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compiler_type =
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type_system->GetBasicTypeFromAST(eBasicTypeVoid).GetPointerType();
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} else if (arg_type == "char*") {
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compiler_type =
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type_system->GetBasicTypeFromAST(eBasicTypeChar).GetPointerType();
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} else {
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result.AppendErrorWithFormat("Invalid format: %s.\n", arg_entry.c_str());
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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value.SetCompilerType(compiler_type);
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value_list.PushValue(value);
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}
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if (!abi->GetArgumentValues(*thread, value_list)) {
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result.AppendError("Couldn't get argument values");
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result.SetStatus(eReturnStatusFailed);
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return false;
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}
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result.GetOutputStream().Printf("Arguments : \n");
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for (auto entry : llvm::enumerate(args.entries())) {
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result.GetOutputStream().Printf(
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"%" PRIu64 " (%s): ", (uint64_t)entry.index(), entry.value().c_str());
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value_list.GetValueAtIndex(entry.index())->Dump(&result.GetOutputStream());
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result.GetOutputStream().Printf("\n");
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}
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return result.Succeeded();
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}
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@ -1,52 +0,0 @@
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//===-- CommandObjectArgs.h -------------------------------------*- 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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#ifndef liblldb_CommandObjectArgs_h_
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#define liblldb_CommandObjectArgs_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/CommandObject.h"
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#include "lldb/Interpreter/Options.h"
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namespace lldb_private {
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class CommandObjectArgs : public CommandObjectParsed {
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public:
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class CommandOptions : public Options {
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public:
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CommandOptions(CommandInterpreter &interpreter);
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~CommandOptions() override;
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Status SetOptionValue(uint32_t option_idx, llvm::StringRef option_arg,
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ExecutionContext *execution_context) override;
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void OptionParsingStarting(ExecutionContext *execution_context) override;
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llvm::ArrayRef<OptionDefinition> GetDefinitions() override;
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};
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CommandObjectArgs(CommandInterpreter &interpreter);
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~CommandObjectArgs() override;
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Options *GetOptions() override;
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protected:
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CommandOptions m_options;
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bool DoExecute(Args &command, CommandReturnObject &result) override;
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};
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} // namespace lldb_private
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#endif // liblldb_CommandObjectArgs_h_
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@ -15,7 +15,6 @@
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#include "lldb/Interpreter/CommandObjectRegexCommand.h"
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#include "../Commands/CommandObjectApropos.h"
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#include "../Commands/CommandObjectArgs.h"
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#include "../Commands/CommandObjectBreakpoint.h"
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#include "../Commands/CommandObjectBugreport.h"
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#include "../Commands/CommandObjectCommands.h"
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