6611103cfe
to the debugger from GUI windows. Previously there was one global debugger
instance that could be accessed that had its own command interpreter and
current state (current target/process/thread/frame). When a GUI debugger
was attached, if it opened more than one window that each had a console
window, there were issues where the last one to setup the global debugger
object won and got control of the debugger.
To avoid this we now create instances of the lldb_private::Debugger that each
has its own state:
- target list for targets the debugger instance owns
- current process/thread/frame
- its own command interpreter
- its own input, output and error file handles to avoid conflicts
- its own input reader stack
So now clients should call:
SBDebugger::Initialize(); // (static function)
SBDebugger debugger (SBDebugger::Create());
// Use which ever file handles you wish
debugger.SetErrorFileHandle (stderr, false);
debugger.SetOutputFileHandle (stdout, false);
debugger.SetInputFileHandle (stdin, true);
// main loop
SBDebugger::Terminate(); // (static function)
SBDebugger::Initialize() and SBDebugger::Terminate() are ref counted to
ensure nothing gets destroyed too early when multiple clients might be
attached.
Cleaned up the command interpreter and the CommandObject and all subclasses
to take more appropriate arguments.
llvm-svn: 106615
442 lines
12 KiB
C++
442 lines
12 KiB
C++
//===-- CommandCompletions.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 "lldb/Interpreter/Args.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Core/FileSpecList.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Interpreter/CommandCompletions.h"
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using namespace lldb_private;
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CommandCompletions::CommonCompletionElement
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CommandCompletions::g_common_completions[] =
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{
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{eCustomCompletion, NULL},
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{eSourceFileCompletion, CommandCompletions::SourceFiles},
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{eDiskFileCompletion, NULL},
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{eSymbolCompletion, CommandCompletions::Symbols},
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{eModuleCompletion, CommandCompletions::Modules},
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{eNoCompletion, NULL} // This one has to be last in the list.
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};
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bool
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CommandCompletions::InvokeCommonCompletionCallbacks
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(
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CommandInterpreter &interpreter,
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uint32_t completion_mask,
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const char *completion_str,
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int match_start_point,
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int max_return_elements,
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SearchFilter *searcher,
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StringList &matches
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)
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{
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bool handled = false;
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if (completion_mask & eCustomCompletion)
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return false;
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for (int i = 0; ; i++)
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{
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if (g_common_completions[i].type == eNoCompletion)
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break;
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else if ((g_common_completions[i].type & completion_mask) == g_common_completions[i].type
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&& g_common_completions[i].callback != NULL)
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{
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handled = true;
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g_common_completions[i].callback (interpreter,
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completion_str,
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match_start_point,
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max_return_elements,
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searcher,
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matches);
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}
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}
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return handled;
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}
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int
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CommandCompletions::SourceFiles
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(
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CommandInterpreter &interpreter,
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const char *partial_file_name,
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int match_start_point,
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int max_return_elements,
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SearchFilter *searcher,
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StringList &matches
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)
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{
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// Find some way to switch "include support files..."
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SourceFileCompleter completer (interpreter,
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false,
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partial_file_name,
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match_start_point,
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max_return_elements,
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matches);
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if (searcher == NULL)
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{
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lldb::TargetSP target_sp = interpreter.GetDebugger().GetCurrentTarget();
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SearchFilter null_searcher (target_sp);
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completer.DoCompletion (&null_searcher);
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}
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else
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{
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completer.DoCompletion (searcher);
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}
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return matches.GetSize();
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}
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int
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CommandCompletions::Modules
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(
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CommandInterpreter &interpreter,
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const char *partial_file_name,
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int match_start_point,
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int max_return_elements,
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SearchFilter *searcher,
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StringList &matches
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)
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{
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ModuleCompleter completer (interpreter,
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partial_file_name,
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match_start_point,
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max_return_elements,
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matches);
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if (searcher == NULL)
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{
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lldb::TargetSP target_sp = interpreter.GetDebugger().GetCurrentTarget();
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SearchFilter null_searcher (target_sp);
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completer.DoCompletion (&null_searcher);
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}
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else
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{
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completer.DoCompletion (searcher);
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}
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return matches.GetSize();
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}
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int
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CommandCompletions::Symbols
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(
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CommandInterpreter &interpreter,
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const char *partial_file_name,
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int match_start_point,
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int max_return_elements,
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SearchFilter *searcher,
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StringList &matches)
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{
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SymbolCompleter completer (interpreter,
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partial_file_name,
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match_start_point,
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max_return_elements,
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matches);
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if (searcher == NULL)
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{
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lldb::TargetSP target_sp = interpreter.GetDebugger().GetCurrentTarget();
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SearchFilter null_searcher (target_sp);
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completer.DoCompletion (&null_searcher);
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}
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else
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{
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completer.DoCompletion (searcher);
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}
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return matches.GetSize();
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}
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CommandCompletions::Completer::Completer
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(
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CommandInterpreter &interpreter,
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const char *completion_str,
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int match_start_point,
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int max_return_elements,
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StringList &matches
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) :
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m_interpreter (interpreter),
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m_completion_str (completion_str),
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m_match_start_point (match_start_point),
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m_max_return_elements (max_return_elements),
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m_matches (matches)
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{
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}
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CommandCompletions::Completer::~Completer ()
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{
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}
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//----------------------------------------------------------------------
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// SourceFileCompleter
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//----------------------------------------------------------------------
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CommandCompletions::SourceFileCompleter::SourceFileCompleter
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(
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CommandInterpreter &interpreter,
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bool include_support_files,
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const char *completion_str,
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int match_start_point,
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int max_return_elements,
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StringList &matches
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) :
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CommandCompletions::Completer (interpreter, completion_str, match_start_point, max_return_elements, matches),
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m_include_support_files (include_support_files),
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m_matching_files()
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{
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FileSpec partial_spec (m_completion_str.c_str());
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m_file_name = partial_spec.GetFilename().GetCString();
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m_dir_name = partial_spec.GetDirectory().GetCString();
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}
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Searcher::Depth
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CommandCompletions::SourceFileCompleter::GetDepth()
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{
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return eDepthCompUnit;
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}
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Searcher::CallbackReturn
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CommandCompletions::SourceFileCompleter::SearchCallback (
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SearchFilter &filter,
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SymbolContext &context,
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Address *addr,
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bool complete
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)
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{
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if (context.comp_unit != NULL)
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{
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if (m_include_support_files)
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{
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FileSpecList supporting_files = context.comp_unit->GetSupportFiles();
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for (size_t sfiles = 0; sfiles < supporting_files.GetSize(); sfiles++)
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{
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const FileSpec &sfile_spec = supporting_files.GetFileSpecAtIndex(sfiles);
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const char *sfile_file_name = sfile_spec.GetFilename().GetCString();
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const char *sfile_dir_name = sfile_spec.GetFilename().GetCString();
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bool match = false;
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if (m_file_name && sfile_file_name
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&& strstr (sfile_file_name, m_file_name) == sfile_file_name)
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match = true;
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if (match && m_dir_name && sfile_dir_name
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&& strstr (sfile_dir_name, m_dir_name) != sfile_dir_name)
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match = false;
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if (match)
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{
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m_matching_files.AppendIfUnique(sfile_spec);
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}
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}
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}
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else
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{
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const char *cur_file_name = context.comp_unit->GetFilename().GetCString();
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const char *cur_dir_name = context.comp_unit->GetDirectory().GetCString();
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bool match = false;
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if (m_file_name && cur_file_name
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&& strstr (cur_file_name, m_file_name) == cur_file_name)
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match = true;
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if (match && m_dir_name && cur_dir_name
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&& strstr (cur_dir_name, m_dir_name) != cur_dir_name)
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match = false;
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if (match)
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{
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m_matching_files.AppendIfUnique(context.comp_unit);
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}
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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size_t
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CommandCompletions::SourceFileCompleter::DoCompletion (SearchFilter *filter)
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{
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filter->Search (*this);
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// Now convert the filelist to completions:
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for (size_t i = 0; i < m_matching_files.GetSize(); i++)
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{
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m_matches.AppendString (m_matching_files.GetFileSpecAtIndex(i).GetFilename().GetCString());
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}
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return m_matches.GetSize();
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}
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//----------------------------------------------------------------------
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// SymbolCompleter
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//----------------------------------------------------------------------
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static bool
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regex_chars (const char comp)
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{
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if (comp == '[' || comp == ']' || comp == '(' || comp == ')')
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return true;
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else
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return false;
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}
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CommandCompletions::SymbolCompleter::SymbolCompleter
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(
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CommandInterpreter &interpreter,
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const char *completion_str,
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int match_start_point,
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int max_return_elements,
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StringList &matches
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) :
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CommandCompletions::Completer (interpreter, completion_str, match_start_point, max_return_elements, matches)
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{
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std::string regex_str ("^");
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regex_str.append(completion_str);
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regex_str.append(".*");
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std::string::iterator pos;
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pos = find_if(regex_str.begin(), regex_str.end(), regex_chars);
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while (pos < regex_str.end()) {
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pos = regex_str.insert(pos, '\\');
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pos += 2;
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pos = find_if(pos, regex_str.end(), regex_chars);
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}
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m_regex.Compile(regex_str.c_str());
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}
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Searcher::Depth
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CommandCompletions::SymbolCompleter::GetDepth()
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{
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return eDepthModule;
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}
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Searcher::CallbackReturn
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CommandCompletions::SymbolCompleter::SearchCallback (
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SearchFilter &filter,
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SymbolContext &context,
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Address *addr,
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bool complete
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)
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{
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SymbolContextList func_list;
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SymbolContextList sym_list;
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if (context.module_sp != NULL)
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{
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if (context.module_sp)
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{
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context.module_sp->FindSymbolsMatchingRegExAndType (m_regex, lldb::eSymbolTypeCode, sym_list);
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context.module_sp->FindFunctions (m_regex, true, func_list);
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}
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SymbolContext sc;
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// Now add the functions & symbols to the list - only add if unique:
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for (int i = 0; i < func_list.GetSize(); i++)
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{
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if (func_list.GetContextAtIndex(i, sc))
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{
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if (sc.function)
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{
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m_match_set.insert (sc.function->GetMangled().GetDemangledName());
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}
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}
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}
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for (int i = 0; i < sym_list.GetSize(); i++)
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{
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if (sym_list.GetContextAtIndex(i, sc))
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{
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if (sc.symbol && sc.symbol->GetAddressRangePtr())
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{
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m_match_set.insert (sc.symbol->GetMangled().GetDemangledName());
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}
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}
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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size_t
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CommandCompletions::SymbolCompleter::DoCompletion (SearchFilter *filter)
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{
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filter->Search (*this);
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collection::iterator pos = m_match_set.begin(), end = m_match_set.end();
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for (pos = m_match_set.begin(); pos != end; pos++)
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m_matches.AppendString((*pos).GetCString());
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return m_matches.GetSize();
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}
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//----------------------------------------------------------------------
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// ModuleCompleter
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//----------------------------------------------------------------------
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CommandCompletions::ModuleCompleter::ModuleCompleter
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(
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CommandInterpreter &interpreter,
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const char *completion_str,
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int match_start_point,
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int max_return_elements,
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StringList &matches
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) :
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CommandCompletions::Completer (interpreter, completion_str, match_start_point, max_return_elements, matches)
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{
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FileSpec partial_spec (m_completion_str.c_str());
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m_file_name = partial_spec.GetFilename().GetCString();
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m_dir_name = partial_spec.GetDirectory().GetCString();
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}
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Searcher::Depth
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CommandCompletions::ModuleCompleter::GetDepth()
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{
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return eDepthModule;
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}
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Searcher::CallbackReturn
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CommandCompletions::ModuleCompleter::SearchCallback (
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SearchFilter &filter,
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SymbolContext &context,
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Address *addr,
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bool complete
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)
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{
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if (context.module_sp != NULL)
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{
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const char *cur_file_name = context.module_sp->GetFileSpec().GetFilename().GetCString();
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const char *cur_dir_name = context.module_sp->GetFileSpec().GetDirectory().GetCString();
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bool match = false;
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if (m_file_name && cur_file_name
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&& strstr (cur_file_name, m_file_name) == cur_file_name)
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match = true;
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if (match && m_dir_name && cur_dir_name
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&& strstr (cur_dir_name, m_dir_name) != cur_dir_name)
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match = false;
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if (match)
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{
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m_matches.AppendString (cur_file_name);
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}
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}
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return Searcher::eCallbackReturnContinue;
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}
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size_t
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CommandCompletions::ModuleCompleter::DoCompletion (SearchFilter *filter)
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{
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filter->Search (*this);
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return m_matches.GetSize();
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}
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