labath updated this revision to Diff 76573.
labath marked 2 inline comments as done.
labath added a comment.
- cleanup constructors
- use llvm's stat() implementation
https://reviews.llvm.org/D25392
Files:
include/lldb/Core/Module.h
include/lldb/Core/ModuleSpec.h
include/lldb/Core/SourceManager.h
include/lldb/Host/FileSpec.h
include/lldb/Host/FileSystem.h
include/lldb/Host/TimeValue.h
include/lldb/Interpreter/OptionValueFileSpec.h
source/Core/Module.cpp
source/Core/ModuleList.cpp
source/Core/SourceManager.cpp
source/Host/common/FileSpec.cpp
source/Host/common/FileSystem.cpp
source/Interpreter/OptionValueFileSpec.cpp
source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
source/Plugins/Platform/Android/AdbClient.cpp
source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp
source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h
unittests/Host/CMakeLists.txt
unittests/Host/FileSystemTest.cpp
Index: unittests/Host/FileSystemTest.cpp
===================================================================
--- /dev/null
+++ unittests/Host/FileSystemTest.cpp
@@ -0,0 +1,32 @@
+//===-- FileSystemTest.cpp --------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "gtest/gtest.h"
+
+#include "lldb/Host/FileSystem.h"
+
+extern const char *TestMainArgv0;
+
+using namespace lldb_private;
+
+TEST(FileSystemTest, FileAndDirectoryComponents) {
+ using namespace std::chrono;
+
+ const bool resolve = true;
+#ifdef _WIN32
+ FileSpec fs1("C:\\FILE\\THAT\\DOES\\NOT\\EXIST.TXT", !resolve);
+#else
+ FileSpec fs1("/file/that/does/not/exist.txt", !resolve);
+#endif
+ FileSpec fs2(TestMainArgv0, resolve);
+
+ EXPECT_EQ(system_clock::time_point(), FileSystem::GetModificationTime(fs1));
+ EXPECT_LT(system_clock::time_point() + hours(24 * 365 * 20),
+ FileSystem::GetModificationTime(fs2));
+}
Index: unittests/Host/CMakeLists.txt
===================================================================
--- unittests/Host/CMakeLists.txt
+++ unittests/Host/CMakeLists.txt
@@ -1,5 +1,6 @@
add_lldb_unittest(HostTests
FileSpecTest.cpp
+ FileSystemTest.cpp
SocketAddressTest.cpp
SocketTest.cpp
SymbolsTest.cpp
Index: source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h
===================================================================
--- source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h
+++ source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.h
@@ -14,6 +14,7 @@
#include <vector>
#include "lldb/Core/RangeMap.h"
+#include "lldb/Host/TimeValue.h"
#include "lldb/Symbol/SymbolFile.h"
#include "UniqueDWARFASTType.h"
Index: source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp
===================================================================
--- source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp
+++ source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp
@@ -21,6 +21,7 @@
#include "lldb/Core/RangeMap.h"
#include "lldb/Core/RegularExpression.h"
#include "lldb/Core/Section.h"
+#include "lldb/Host/FileSystem.h"
//#define DEBUG_OSO_DMAP // DO NOT CHECKIN WITH THIS NOT COMMENTED OUT
#if defined(DEBUG_OSO_DMAP)
@@ -424,7 +425,7 @@
FileSpec oso_file(oso_path, false);
ConstString oso_object;
if (oso_file.Exists()) {
- TimeValue oso_mod_time(oso_file.GetModificationTime());
+ TimeValue oso_mod_time(FileSystem::GetModificationTime(oso_file));
if (oso_mod_time != comp_unit_info->oso_mod_time) {
obj_file->GetModule()->ReportError(
"debug map object file '%s' has changed (actual time is "
Index: source/Plugins/Platform/Android/AdbClient.cpp
===================================================================
--- source/Plugins/Platform/Android/AdbClient.cpp
+++ source/Plugins/Platform/Android/AdbClient.cpp
@@ -22,6 +22,7 @@
#include "lldb/Core/StreamString.h"
#include "lldb/Host/ConnectionFileDescriptor.h"
#include "lldb/Host/FileSpec.h"
+#include "lldb/Host/FileSystem.h"
#include "lldb/Host/PosixApi.h"
#include <limits.h>
@@ -475,8 +476,11 @@
if (error.Fail())
return Error("Failed to send file chunk: %s", error.AsCString());
}
- error = SendSyncRequest(kDONE, local_file.GetModificationTime().seconds(),
- nullptr);
+ error = SendSyncRequest(
+ kDONE, std::chrono::duration_cast<std::chrono::seconds>(
+ FileSystem::GetModificationTime(local_file).time_since_epoch())
+ .count(),
+ nullptr);
if (error.Fail())
return error;
Index: source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
===================================================================
--- source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
+++ source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp
@@ -34,6 +34,7 @@
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/Stream.h"
#include "lldb/Core/Timer.h"
+#include "lldb/Host/Filesystem.h"
#include "lldb/Symbol/ObjectFile.h"
using namespace lldb;
@@ -452,7 +453,7 @@
data.SetData(data_sp, data_offset, data_sp->GetByteSize());
if (file && data_sp && ObjectContainerBSDArchive::MagicBytesMatch(data)) {
const size_t initial_count = specs.GetSize();
- TimeValue file_mod_time = file.GetModificationTime();
+ TimeValue file_mod_time = FileSystem::GetModificationTime(file);
Archive::shared_ptr archive_sp(Archive::FindCachedArchive(
file, ArchSpec(), file_mod_time, file_offset));
bool set_archive_arch = false;
Index: source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
===================================================================
--- source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
+++ source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
@@ -7,6 +7,8 @@
//
//===----------------------------------------------------------------------===//
+#include "DynamicLoaderDarwin.h"
+
#include "lldb/Breakpoint/StoppointCallbackContext.h"
#include "lldb/Core/DataBuffer.h"
#include "lldb/Core/DataBufferHeap.h"
@@ -18,6 +20,7 @@
#include "lldb/Core/Section.h"
#include "lldb/Core/State.h"
#include "lldb/Expression/DiagnosticManager.h"
+#include "lldb/Host/FileSystem.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Symbol/Function.h"
#include "lldb/Symbol/ObjectFile.h"
@@ -30,8 +33,6 @@
#include "lldb/Target/ThreadPlanCallFunction.h"
#include "lldb/Target/ThreadPlanRunToAddress.h"
-#include "DynamicLoaderDarwin.h"
-
//#define ENABLE_DEBUG_PRINTF // COMMENT THIS LINE OUT PRIOR TO CHECKIN
#ifdef ENABLE_DEBUG_PRINTF
#include <stdio.h>
@@ -114,7 +115,7 @@
// No UUID, we must rely upon the cached module modification
// time and the modification time of the file on disk
if (module_sp->GetModificationTime() !=
- module_sp->GetFileSpec().GetModificationTime())
+ FileSystem::GetModificationTime(module_sp->GetFileSpec()))
module_sp.reset();
}
Index: source/Interpreter/OptionValueFileSpec.cpp
===================================================================
--- source/Interpreter/OptionValueFileSpec.cpp
+++ source/Interpreter/OptionValueFileSpec.cpp
@@ -9,12 +9,9 @@
#include "lldb/Interpreter/OptionValueFileSpec.h"
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
#include "lldb/Core/State.h"
#include "lldb/DataFormatters/FormatManager.h"
+#include "lldb/Host/FileSystem.h"
#include "lldb/Interpreter/Args.h"
#include "lldb/Interpreter/CommandCompletions.h"
#include "lldb/Interpreter/CommandInterpreter.h"
@@ -120,7 +117,8 @@
const lldb::DataBufferSP &
OptionValueFileSpec::GetFileContents(bool null_terminate) {
if (m_current_value) {
- const TimeValue file_mod_time = m_current_value.GetModificationTime();
+ const TimeValue file_mod_time =
+ FileSystem::GetModificationTime(m_current_value);
if (m_data_sp && m_data_mod_time == file_mod_time)
return m_data_sp;
if (null_terminate)
Index: source/Host/common/FileSystem.cpp
===================================================================
--- source/Host/common/FileSystem.cpp
+++ source/Host/common/FileSystem.cpp
@@ -9,6 +9,7 @@
#include "lldb/Host/FileSystem.h"
+#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MD5.h"
#include <algorithm>
@@ -90,3 +91,12 @@
digest_str = result_str.c_str();
return true;
}
+
+llvm::sys::TimePoint<>
+FileSystem::GetModificationTime(const FileSpec &file_spec) {
+ llvm::sys::fs::file_status status;
+ std::error_code ec = llvm::sys::fs::status(file_spec.GetPath(), status);
+ if (ec)
+ return llvm::sys::TimePoint<>();
+ return status.getLastModificationTime();
+}
Index: source/Host/common/FileSpec.cpp
===================================================================
--- source/Host/common/FileSpec.cpp
+++ source/Host/common/FileSpec.cpp
@@ -745,14 +745,6 @@
return file_permissions;
}
-TimeValue FileSpec::GetModificationTime() const {
- TimeValue mod_time;
- struct stat file_stats;
- if (GetFileStats(this, &file_stats))
- mod_time.OffsetWithSeconds(file_stats.st_mtime);
- return mod_time;
-}
-
//------------------------------------------------------------------
// Directory string get accessor.
//------------------------------------------------------------------
Index: source/Core/SourceManager.cpp
===================================================================
--- source/Core/SourceManager.cpp
+++ source/Core/SourceManager.cpp
@@ -18,6 +18,7 @@
#include "lldb/Core/Module.h"
#include "lldb/Core/RegularExpression.h"
#include "lldb/Core/Stream.h"
+#include "lldb/Host/FileSystem.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Symbol/Function.h"
#include "lldb/Symbol/SymbolContext.h"
@@ -330,22 +331,19 @@
SourceManager::File::File(const FileSpec &file_spec,
lldb::DebuggerSP debugger_sp)
: m_file_spec_orig(file_spec), m_file_spec(file_spec),
- m_mod_time(file_spec.GetModificationTime()), m_source_map_mod_id(0),
- m_data_sp(), m_offsets(), m_debugger_wp(debugger_sp) {
+ m_mod_time(FileSystem::GetModificationTime(file_spec)),
+ m_debugger_wp(debugger_sp) {
CommonInitializer(file_spec, nullptr);
}
SourceManager::File::File(const FileSpec &file_spec, Target *target)
: m_file_spec_orig(file_spec), m_file_spec(file_spec),
- m_mod_time(file_spec.GetModificationTime()), m_source_map_mod_id(0),
- m_data_sp(), m_offsets(),
+ m_mod_time(FileSystem::GetModificationTime(file_spec)),
m_debugger_wp(target ? target->GetDebugger().shared_from_this()
: DebuggerSP()) {
CommonInitializer(file_spec, target);
}
-SourceManager::File::~File() {}
-
void SourceManager::File::CommonInitializer(const FileSpec &file_spec,
Target *target) {
if (!m_mod_time.IsValid()) {
@@ -384,7 +382,7 @@
SymbolContext sc;
sc_list.GetContextAtIndex(0, sc);
m_file_spec = sc.comp_unit;
- m_mod_time = m_file_spec.GetModificationTime();
+ m_mod_time = FileSystem::GetModificationTime(m_file_spec);
}
}
}
@@ -399,7 +397,7 @@
if (target->GetSourcePathMap().FindFile(m_file_spec, new_file_spec) ||
target->GetImages().FindSourceFile(m_file_spec, new_file_spec)) {
m_file_spec = new_file_spec;
- m_mod_time = m_file_spec.GetModificationTime();
+ m_mod_time = FileSystem::GetModificationTime(m_file_spec);
}
}
}
@@ -479,7 +477,7 @@
// TODO: use host API to sign up for file modifications to anything in our
// source cache and only update when we determine a file has been updated.
// For now we check each time we want to display info for the file.
- TimeValue curr_mod_time(m_file_spec.GetModificationTime());
+ TimeValue curr_mod_time(FileSystem::GetModificationTime(m_file_spec));
if (curr_mod_time.IsValid() && m_mod_time != curr_mod_time) {
m_mod_time = curr_mod_time;
Index: source/Core/ModuleList.cpp
===================================================================
--- source/Core/ModuleList.cpp
+++ source/Core/ModuleList.cpp
@@ -19,6 +19,7 @@
#include "lldb/Core/Log.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleSpec.h"
+#include "lldb/Host/FileSystem.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/Symbols.h"
#include "lldb/Symbol/ObjectFile.h"
@@ -855,8 +856,8 @@
// If we didn't have a UUID in mind when looking for the object file,
// then we should make sure the modification time hasn't changed!
if (platform_module_spec.GetUUIDPtr() == nullptr) {
- TimeValue file_spec_mod_time(
- located_binary_modulespec.GetFileSpec().GetModificationTime());
+ TimeValue file_spec_mod_time(FileSystem::GetModificationTime(
+ located_binary_modulespec.GetFileSpec()));
if (file_spec_mod_time.IsValid()) {
if (file_spec_mod_time != module_sp->GetModificationTime()) {
if (old_module_sp_ptr)
Index: source/Core/Module.cpp
===================================================================
--- source/Core/Module.cpp
+++ source/Core/Module.cpp
@@ -30,6 +30,7 @@
#include "lldb/Core/Section.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Core/Timer.h"
+#include "lldb/Host/Filesystem.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/Symbols.h"
#include "lldb/Interpreter/CommandInterpreter.h"
@@ -139,12 +140,7 @@
#endif
Module::Module(const ModuleSpec &module_spec)
- : m_mutex(), m_mod_time(), m_arch(), m_uuid(), m_file(), m_platform_file(),
- m_remote_install_file(), m_symfile_spec(), m_object_name(),
- m_object_offset(), m_object_mod_time(), m_objfile_sp(), m_symfile_ap(),
- m_type_system_map(), m_source_mappings(), m_sections_ap(),
- m_did_load_objfile(false), m_did_load_symbol_vendor(false),
- m_did_parse_uuid(false), m_file_has_changed(false),
+ : m_object_offset(0), m_file_has_changed(false),
m_first_file_changed_log(false) {
// Scope for locker below...
{
@@ -186,9 +182,10 @@
return;
if (module_spec.GetFileSpec())
- m_mod_time = module_spec.GetFileSpec().GetModificationTime();
+ m_mod_time = FileSystem::GetModificationTime(module_spec.GetFileSpec());
else if (matching_module_spec.GetFileSpec())
- m_mod_time = matching_module_spec.GetFileSpec().GetModificationTime();
+ m_mod_time =
+ FileSystem::GetModificationTime(matching_module_spec.GetFileSpec());
// Copy the architecture from the actual spec if we got one back, else use the
// one that was specified
@@ -233,12 +230,8 @@
Module::Module(const FileSpec &file_spec, const ArchSpec &arch,
const ConstString *object_name, lldb::offset_t object_offset,
const TimeValue *object_mod_time_ptr)
- : m_mutex(), m_mod_time(file_spec.GetModificationTime()), m_arch(arch),
- m_uuid(), m_file(file_spec), m_platform_file(), m_remote_install_file(),
- m_symfile_spec(), m_object_name(), m_object_offset(object_offset),
- m_object_mod_time(), m_objfile_sp(), m_symfile_ap(), m_type_system_map(),
- m_source_mappings(), m_sections_ap(), m_did_load_objfile(false),
- m_did_load_symbol_vendor(false), m_did_parse_uuid(false),
+ : m_mod_time(FileSystem::GetModificationTime(file_spec)), m_arch(arch),
+ m_file(file_spec), m_object_offset(object_offset),
m_file_has_changed(false), m_first_file_changed_log(false) {
// Scope for locker below...
{
@@ -264,12 +257,7 @@
}
Module::Module()
- : m_mutex(), m_mod_time(), m_arch(), m_uuid(), m_file(), m_platform_file(),
- m_remote_install_file(), m_symfile_spec(), m_object_name(),
- m_object_offset(0), m_object_mod_time(), m_objfile_sp(), m_symfile_ap(),
- m_type_system_map(), m_source_mappings(), m_sections_ap(),
- m_did_load_objfile(false), m_did_load_symbol_vendor(false),
- m_did_parse_uuid(false), m_file_has_changed(false),
+ : m_object_offset(0), m_file_has_changed(false),
m_first_file_changed_log(false) {
std::lock_guard<std::recursive_mutex> guard(
GetAllocationModuleCollectionMutex());
@@ -1076,7 +1064,7 @@
// Container objects whose paths do not specify a file directly can call
// this function to correct the file and object names.
m_file = file;
- m_mod_time = file.GetModificationTime();
+ m_mod_time = FileSystem::GetModificationTime(file);
m_object_name = object_name;
}
@@ -1138,7 +1126,8 @@
bool Module::FileHasChanged() const {
if (!m_file_has_changed)
- m_file_has_changed = (m_file.GetModificationTime() != m_mod_time);
+ m_file_has_changed =
+ (FileSystem::GetModificationTime(m_file) != m_mod_time);
return m_file_has_changed;
}
Index: include/lldb/Interpreter/OptionValueFileSpec.h
===================================================================
--- include/lldb/Interpreter/OptionValueFileSpec.h
+++ include/lldb/Interpreter/OptionValueFileSpec.h
@@ -10,13 +10,11 @@
#ifndef liblldb_OptionValueFileSpec_h_
#define liblldb_OptionValueFileSpec_h_
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
-#include "lldb/Host/FileSpec.h"
#include "lldb/Interpreter/OptionValue.h"
+#include "lldb/Host/FileSpec.h"
+#include "lldb/Host/TimeValue.h"
+
namespace lldb_private {
class OptionValueFileSpec : public OptionValue {
Index: include/lldb/Host/TimeValue.h
===================================================================
--- include/lldb/Host/TimeValue.h
+++ include/lldb/Host/TimeValue.h
@@ -10,15 +10,14 @@
#ifndef liblldb_TimeValue_h_
#define liblldb_TimeValue_h_
-// C Includes
#include "lldb/Host/PosixApi.h"
-#include <stdint.h>
-// C++ Includes
-// Other libraries and framework includes
-// Project includes
#include "lldb/lldb-private.h"
+#include <chrono>
+
+#include <stdint.h>
+
namespace lldb_private {
class TimeValue {
@@ -35,6 +34,10 @@
TimeValue(const TimeValue &rhs);
TimeValue(const struct timespec &ts);
explicit TimeValue(uint32_t seconds, uint64_t nanos = 0);
+ TimeValue(std::chrono::time_point<std::chrono::system_clock,
+ std::chrono::nanoseconds>
+ point)
+ : m_nano_seconds(point.time_since_epoch().count()) {}
~TimeValue();
//------------------------------------------------------------------
Index: include/lldb/Host/FileSystem.h
===================================================================
--- include/lldb/Host/FileSystem.h
+++ include/lldb/Host/FileSystem.h
@@ -10,14 +10,15 @@
#ifndef liblldb_Host_FileSystem_h
#define liblldb_Host_FileSystem_h
-#include <stdint.h>
-#include <stdio.h>
-#include <sys/stat.h>
+#include "lldb/Core/Error.h"
+#include "lldb/Host/FileSpec.h"
+#include "llvm/Support/Chrono.h"
#include "lldb/lldb-types.h"
-#include "lldb/Core/Error.h"
-#include "lldb/Host/FileSpec.h"
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/stat.h>
namespace lldb_private {
class FileSystem {
@@ -65,6 +66,8 @@
/// Wraps ::stat in a platform-independent way.
static int Stat(const char *path, struct stat *stats);
+
+ static llvm::sys::TimePoint<> GetModificationTime(const FileSpec &file_spec);
};
}
Index: include/lldb/Host/FileSpec.h
===================================================================
--- include/lldb/Host/FileSpec.h
+++ include/lldb/Host/FileSpec.h
@@ -19,7 +19,6 @@
// Project includes
#include "lldb/Core/ConstString.h"
#include "lldb/Core/STLUtils.h"
-#include "lldb/Host/TimeValue.h"
#include "lldb/lldb-private.h"
namespace lldb_private {
@@ -377,8 +376,6 @@
//------------------------------------------------------------------
bool IsAbsolute() const;
- TimeValue GetModificationTime() const;
-
//------------------------------------------------------------------
/// Extract the full path to the file.
///
Index: include/lldb/Core/SourceManager.h
===================================================================
--- include/lldb/Core/SourceManager.h
+++ include/lldb/Core/SourceManager.h
@@ -19,6 +19,7 @@
// Other libraries and framework includes
// Project includes
#include "lldb/Host/FileSpec.h"
+#include "lldb/Host/TimeValue.h"
#include "lldb/lldb-private.h"
namespace lldb_private {
@@ -33,7 +34,7 @@
public:
File(const FileSpec &file_spec, Target *target);
File(const FileSpec &file_spec, lldb::DebuggerSP debugger_sp);
- ~File();
+ ~File() = default;
void UpdateIfNeeded();
@@ -72,9 +73,10 @@
// m_file_spec_orig)
TimeValue m_mod_time; // Keep the modification time that this file data is
// valid for
- uint32_t m_source_map_mod_id; // If the target uses path remappings, be sure
- // to clear our notion of a source file if the
- // path modification ID changes
+
+ // If the target uses path remappings, be sure to clear our notion of a
+ // source file if the path modification ID changes
+ uint32_t m_source_map_mod_id = 0;
lldb::DataBufferSP m_data_sp;
typedef std::vector<uint32_t> LineOffsets;
LineOffsets m_offsets;
Index: include/lldb/Core/ModuleSpec.h
===================================================================
--- include/lldb/Core/ModuleSpec.h
+++ include/lldb/Core/ModuleSpec.h
@@ -21,6 +21,7 @@
#include "lldb/Core/Stream.h"
#include "lldb/Core/UUID.h"
#include "lldb/Host/FileSpec.h"
+#include "lldb/Host/TimeValue.h"
#include "lldb/Target/PathMappingList.h"
namespace lldb_private {
Index: include/lldb/Core/Module.h
===================================================================
--- include/lldb/Core/Module.h
+++ include/lldb/Core/Module.h
@@ -1065,9 +1065,9 @@
///is used by the ObjectFile and and
///ObjectFile instances for the debug info
- std::atomic<bool> m_did_load_objfile;
- std::atomic<bool> m_did_load_symbol_vendor;
- std::atomic<bool> m_did_parse_uuid;
+ std::atomic<bool> m_did_load_objfile{false};
+ std::atomic<bool> m_did_load_symbol_vendor{false};
+ std::atomic<bool> m_did_parse_uuid{false};
mutable bool m_file_has_changed : 1,
m_first_file_changed_log : 1; /// See if the module was modified after it
/// was initially opened.
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