Initial checkin of lldb code from internal Apple repo.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@105619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Commands/CommandObjectSourceFile.cpp b/source/Commands/CommandObjectSourceFile.cpp
new file mode 100644
index 0000000..df70bc9
--- /dev/null
+++ b/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();
+}
+