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Diffstat (limited to 'lldb/source/Commands/CommandObjectSourceFile.cpp')
| -rw-r--r-- | lldb/source/Commands/CommandObjectSourceFile.cpp | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/lldb/source/Commands/CommandObjectSourceFile.cpp b/lldb/source/Commands/CommandObjectSourceFile.cpp new file mode 100644 index 00000000000..df70bc9aea3 --- /dev/null +++ b/lldb/source/Commands/CommandObjectSourceFile.cpp @@ -0,0 +1,206 @@ +//===-- CommandObjectSourceFile.cpp -----------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "CommandObjectSourceFile.h" + +// C Includes +// C++ Includes +// Other libraries and framework includes +// Project includes +#include "lldb/Core/Args.h" +#include "lldb/Interpreter/CommandContext.h" +#include "lldb/Interpreter/CommandInterpreter.h" +#include "lldb/Interpreter/CommandReturnObject.h" +#include "lldb/Target/Process.h" +#include "lldb/Core/SourceManager.h" +#include "lldb/Target/TargetList.h" +#include "lldb/Interpreter/CommandCompletions.h" + +using namespace lldb; +using namespace lldb_private; + +CommandObjectSourceFile::CommandOptions::CommandOptions () : + Options() +{ +} + +CommandObjectSourceFile::CommandOptions::~CommandOptions () +{ +} + +Error +CommandObjectSourceFile::CommandOptions::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 +CommandObjectSourceFile::CommandOptions::ResetOptionValues () +{ + Options::ResetOptionValues(); + + file_spec.Clear(); + file_name.clear(); + start_line = 0; + num_lines = 10; +} + +const lldb::OptionDefinition* +CommandObjectSourceFile::CommandOptions::GetDefinitions () +{ + return g_option_table; +} + +lldb::OptionDefinition +CommandObjectSourceFile::CommandOptions::g_option_table[] = +{ +{ 0, false, "line", 'l', required_argument, NULL, 0, "<line>", "The line number at which to start the display source."}, +{ 0, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, "<file>", "The file from which to display source."}, +{ 0, false, "count", 'n', required_argument, NULL, 0, "<count>", "The number of source lines to display."}, +{ 0, false, NULL, 0, 0, NULL, 0, NULL, NULL } +}; + + + +//------------------------------------------------------------------------- +// CommandObjectSourceFile +//------------------------------------------------------------------------- + +CommandObjectSourceFile::CommandObjectSourceFile() : + CommandObject ("source-file", + "Display source files from the current executable's debug info.", + "source-file [<cmd-options>] [<filename>]") +{ +} + +CommandObjectSourceFile::~CommandObjectSourceFile () +{ +} + + +Options * +CommandObjectSourceFile::GetOptions () +{ + return &m_options; +} + + +bool +CommandObjectSourceFile::Execute +( + Args& args, + CommandContext *context, + CommandInterpreter *interpreter, + 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(context->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->GetSourceManager().DisplayMoreWithLineNumbers (&result.GetOutputStream())) + { + result.SetStatus (eReturnStatusSuccessFinishResult); + } + } + else + { + if (interpreter->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 = context->GetTarget(); + 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->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(); +} + |
