| //===-- CommandObjectSource.cpp ---------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "CommandObjectSource.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Interpreter/Args.h" |
| #include "lldb/Core/Debugger.h" |
| #include "lldb/Interpreter/CommandInterpreter.h" |
| #include "lldb/Interpreter/CommandReturnObject.h" |
| #include "lldb/Core/FileSpec.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Core/SourceManager.h" |
| #include "lldb/Target/TargetList.h" |
| #include "lldb/Interpreter/CommandCompletions.h" |
| #include "lldb/Interpreter/Options.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectSourceList |
| //------------------------------------------------------------------------- |
| |
| class CommandObjectSourceInfo : public CommandObject |
| { |
| |
| class CommandOptions : public Options |
| { |
| public: |
| CommandOptions () : |
| Options() |
| { |
| } |
| |
| ~CommandOptions () |
| { |
| } |
| |
| Error |
| SetOptionValue (int option_idx, const char *option_arg) |
| { |
| Error error; |
| const char short_option = g_option_table[option_idx].short_option; |
| switch (short_option) |
| { |
| case 'l': |
| start_line = Args::StringToUInt32 (option_arg, 0); |
| if (start_line == 0) |
| error.SetErrorStringWithFormat("Invalid line number: '%s'.\n", option_arg); |
| break; |
| |
| case 'f': |
| file_name = option_arg; |
| break; |
| |
| default: |
| error.SetErrorStringWithFormat("Unrecognized short option '%c'.\n", short_option); |
| break; |
| } |
| |
| return error; |
| } |
| |
| void |
| ResetOptionValues () |
| { |
| Options::ResetOptionValues(); |
| |
| file_spec.Clear(); |
| file_name.clear(); |
| start_line = 0; |
| } |
| |
| const lldb::OptionDefinition* |
| GetDefinitions () |
| { |
| return g_option_table; |
| } |
| static lldb::OptionDefinition g_option_table[]; |
| |
| // Instance variables to hold the values for command options. |
| FileSpec file_spec; |
| std::string file_name; |
| uint32_t start_line; |
| |
| }; |
| |
| public: |
| CommandObjectSourceInfo() : |
| CommandObject ("source info", |
| "Display info on the source lines from the current executable's debug info.", |
| "source info [<cmd-options>]") |
| { |
| } |
| |
| ~CommandObjectSourceInfo () |
| { |
| } |
| |
| |
| Options * |
| GetOptions () |
| { |
| return &m_options; |
| } |
| |
| |
| bool |
| Execute |
| ( |
| CommandInterpreter &interpreter, |
| Args& args, |
| CommandReturnObject &result |
| ) |
| { |
| result.AppendError ("Not yet implemented"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| protected: |
| CommandOptions m_options; |
| }; |
| |
| lldb::OptionDefinition |
| CommandObjectSourceInfo::CommandOptions::g_option_table[] = |
| { |
| { LLDB_OPT_SET_1, false, "line", 'l', required_argument, NULL, 0, "<line>", "The line number at which to start the display source."}, |
| { LLDB_OPT_SET_1, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, "<file>", "The file from which to display source."}, |
| { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL } |
| }; |
| |
| #pragma mark CommandObjectSourceList |
| //------------------------------------------------------------------------- |
| // CommandObjectSourceList |
| //------------------------------------------------------------------------- |
| |
| class CommandObjectSourceList : public CommandObject |
| { |
| |
| class CommandOptions : public Options |
| { |
| public: |
| CommandOptions () : |
| Options() |
| { |
| } |
| |
| ~CommandOptions () |
| { |
| } |
| |
| Error |
| SetOptionValue (int option_idx, const char *option_arg) |
| { |
| Error error; |
| const char short_option = g_option_table[option_idx].short_option; |
| switch (short_option) |
| { |
| case 'l': |
| start_line = Args::StringToUInt32 (option_arg, 0); |
| if (start_line == 0) |
| error.SetErrorStringWithFormat("Invalid line number: '%s'.\n", option_arg); |
| break; |
| |
| case 'n': |
| num_lines = Args::StringToUInt32 (option_arg, 0); |
| if (num_lines == 0) |
| error.SetErrorStringWithFormat("Invalid line count: '%s'.\n", option_arg); |
| break; |
| |
| case 'f': |
| file_name = option_arg; |
| break; |
| |
| default: |
| error.SetErrorStringWithFormat("Unrecognized short option '%c'.\n", short_option); |
| break; |
| } |
| |
| return error; |
| } |
| |
| void |
| ResetOptionValues () |
| { |
| Options::ResetOptionValues(); |
| |
| file_spec.Clear(); |
| file_name.clear(); |
| start_line = 0; |
| num_lines = 10; |
| } |
| |
| const lldb::OptionDefinition* |
| GetDefinitions () |
| { |
| return g_option_table; |
| } |
| static lldb::OptionDefinition g_option_table[]; |
| |
| // Instance variables to hold the values for command options. |
| FileSpec file_spec; |
| std::string file_name; |
| uint32_t start_line; |
| uint32_t num_lines; |
| |
| }; |
| |
| public: |
| CommandObjectSourceList() : |
| CommandObject ("source list", |
| "Display source files from the current executable's debug info.", |
| "source list [<cmd-options>] [<filename>]") |
| { |
| } |
| |
| ~CommandObjectSourceList () |
| { |
| } |
| |
| |
| Options * |
| GetOptions () |
| { |
| return &m_options; |
| } |
| |
| |
| bool |
| Execute |
| ( |
| CommandInterpreter &interpreter, |
| Args& args, |
| CommandReturnObject &result |
| ) |
| { |
| const int argc = args.GetArgumentCount(); |
| |
| if (argc != 0) |
| { |
| result.AppendErrorWithFormat("'%s' takes no arguments, only flags.\n", GetCommandName()); |
| result.SetStatus (eReturnStatusFailed); |
| } |
| |
| ExecutionContext exe_ctx(interpreter.GetDebugger().GetExecutionContext()); |
| if (m_options.file_name.empty()) |
| { |
| // Last valid source manager context, or the current frame if no |
| // valid last context in source manager. |
| // One little trick here, if you type the exact same list command twice in a row, it is |
| // more likely because you typed it once, then typed it again |
| if (m_options.start_line == 0) |
| { |
| if (interpreter.GetDebugger().GetSourceManager().DisplayMoreWithLineNumbers (&result.GetOutputStream())) |
| { |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| } |
| else |
| { |
| if (interpreter.GetDebugger().GetSourceManager().DisplaySourceLinesWithLineNumbersUsingLastFile( |
| m_options.start_line, // Line to display |
| 0, // Lines before line to display |
| m_options.num_lines, // Lines after line to display |
| "", // Don't mark "line" |
| &result.GetOutputStream())) |
| { |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| } |
| |
| } |
| } |
| else |
| { |
| const char *filename = m_options.file_name.c_str(); |
| Target *target = interpreter.GetDebugger().GetCurrentTarget().get(); |
| if (target == NULL) |
| { |
| result.AppendError ("invalid target, set executable file using 'file' command"); |
| result.SetStatus (eReturnStatusFailed); |
| return false; |
| } |
| |
| |
| bool check_inlines = false; |
| SymbolContextList sc_list; |
| size_t num_matches = target->GetImages().ResolveSymbolContextForFilePath (filename, |
| 0, |
| check_inlines, |
| eSymbolContextModule | eSymbolContextCompUnit, |
| sc_list); |
| if (num_matches > 0) |
| { |
| SymbolContext sc; |
| if (sc_list.GetContextAtIndex(0, sc)) |
| { |
| if (sc.comp_unit) |
| { |
| interpreter.GetDebugger().GetSourceManager().DisplaySourceLinesWithLineNumbers (sc.comp_unit, |
| m_options.start_line, // Line to display |
| 0, // Lines before line to display |
| m_options.num_lines, // Lines after line to display |
| "", // Don't mark "line" |
| &result.GetOutputStream()); |
| |
| result.SetStatus (eReturnStatusSuccessFinishResult); |
| |
| } |
| } |
| } |
| } |
| |
| return result.Succeeded(); |
| } |
| |
| virtual const char *GetRepeatCommand (Args ¤t_command_args, uint32_t index) |
| { |
| return m_cmd_name.c_str(); |
| } |
| |
| protected: |
| CommandOptions m_options; |
| |
| }; |
| |
| lldb::OptionDefinition |
| CommandObjectSourceList::CommandOptions::g_option_table[] = |
| { |
| { LLDB_OPT_SET_1, false, "line", 'l', required_argument, NULL, 0, "<line>", "The line number at which to start the display source."}, |
| { LLDB_OPT_SET_1, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, "<file>", "The file from which to display source."}, |
| { LLDB_OPT_SET_1, false, "count", 'n', required_argument, NULL, 0, "<count>", "The number of source lines to display."}, |
| { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL } |
| }; |
| |
| #pragma mark CommandObjectMultiwordSource |
| |
| //------------------------------------------------------------------------- |
| // CommandObjectMultiwordSource |
| //------------------------------------------------------------------------- |
| |
| CommandObjectMultiwordSource::CommandObjectMultiwordSource (CommandInterpreter &interpreter) : |
| CommandObjectMultiword ("source", |
| "Commands for accessing source file information", |
| "source <subcommand> [<subcommand-options>]") |
| { |
| LoadSubCommand (interpreter, "info", CommandObjectSP (new CommandObjectSourceInfo ())); |
| LoadSubCommand (interpreter, "list", CommandObjectSP (new CommandObjectSourceList ())); |
| } |
| |
| CommandObjectMultiwordSource::~CommandObjectMultiwordSource () |
| { |
| } |
| |