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IDE: fixed save as change case, bug #10368

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git-svn-id: trunk@35909 -
This commit is contained in:
mattias 2012-03-12 22:16:30 +00:00
parent 13538c50cc
commit 2a417ff43a
3 changed files with 95 additions and 88 deletions
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10
components/codetools/sourcelog.pas
View File

@ -870,7 +870,6 @@ end;
function TSourceLog.SaveToFile(const Filename: string): boolean;
var
fs: TFileStream;
TheFilename: String;
s: String;
begin
{$IFDEF VerboseCTSave}
@ -881,14 +880,13 @@ begin
LastError:='';
try
// keep filename case on disk
TheFilename := FindDiskFilename(Filename);
if FileExistsUTF8(TheFilename) then begin
InvalidateFileStateCache(TheFilename);
fs := TFileStream.Create(UTF8ToSys(TheFilename), fmOpenWrite or fmShareDenyNone);
if FileExistsUTF8(Filename) then begin
InvalidateFileStateCache(Filename);
fs := TFileStream.Create(UTF8ToSys(Filename), fmOpenWrite or fmShareDenyNone);
fs.Size := 0;
end else begin
InvalidateFileStateCache; // invalidate all (samba shares)
fs := TFileStream.Create(UTF8ToSys(TheFilename), fmCreate);
fs := TFileStream.Create(UTF8ToSys(Filename), fmCreate);
end;
try
s := Source;

5
ide/dialogprocs.pas
View File

@ -272,7 +272,10 @@ var
begin
if Backup then begin
Result:=BackupFileInteractive(Filename);
if Result<>mrOk then exit;
if Result<>mrOk then begin
debugln(['SaveCodeBufferToFile backup failed: "',Filename,'"']);
exit;
end;
end else
Result:=mrOk;
repeat

168
ide/main.pp
View File

@ -719,13 +719,13 @@ type
// methods for 'save unit'
function DoShowSaveFileAsDialog(var AFilename: string; AnUnitInfo: TUnitInfo;
var ResourceCode: TCodeBuffer; CanAbort: boolean): TModalResult;
var LFMCode, LRSCode: TCodeBuffer; CanAbort: boolean): TModalResult;
function DoSaveUnitComponent(AnUnitInfo: TUnitInfo;
ResourceCode, LFMCode: TCodeBuffer; Flags: TSaveFlags): TModalResult;
LRSCode, LFMCode: TCodeBuffer; Flags: TSaveFlags): TModalResult;
function DoRemoveDanglingEvents(AnUnitInfo: TUnitInfo;
OkOnCodeErrors: boolean): TModalResult;
function DoRenameUnit(AnUnitInfo: TUnitInfo; NewFilename, NewUnitName: string;
var ResourceCode: TCodeBuffer): TModalresult;
var LFMCode, LRSCode: TCodeBuffer): TModalresult;
// methods for 'open unit' and 'open main unit'
function DoOpenNotExistingFile(const AFileName:string;
@ -735,7 +735,7 @@ type
function DoOpenFileInSourceEditor(AnEditorInfo: TUnitEditorInfo;
PageIndex, WindowIndex: integer; Flags: TOpenFlags): TModalResult;
function DoLoadResourceFile(AnUnitInfo: TUnitInfo;
var LFMCode, ResourceCode: TCodeBuffer;
var LFMCode, LRSCode: TCodeBuffer;
IgnoreSourceErrors, AutoCreateResourceCode, ShowAbort: boolean): TModalResult;
function DoLoadLFM(AnUnitInfo: TUnitInfo; OpenFlags: TOpenFlags;
CloseFlags: TCloseFlags): TModalResult;
@ -5374,7 +5374,7 @@ begin
end;
function TMainIDE.DoLoadResourceFile(AnUnitInfo: TUnitInfo;
var LFMCode, ResourceCode: TCodeBuffer;
var LFMCode, LRSCode: TCodeBuffer;
IgnoreSourceErrors, AutoCreateResourceCode, ShowAbort: boolean): TModalResult;
var
LFMFilename: string;
@ -5382,7 +5382,7 @@ var
ResType: TResourceType;
begin
LFMCode:=nil;
ResourceCode:=nil;
LRSCode:=nil;
//DebugLn(['TMainIDE.DoLoadResourceFile ',AnUnitInfo.Filename,' HasResources=',AnUnitInfo.HasResources,' IgnoreSourceErrors=',IgnoreSourceErrors,' AutoCreateResourceCode=',AutoCreateResourceCode]);
if AnUnitInfo.HasResources then begin
//writeln('TMainIDE.DoLoadResourceFile A "',AnUnitInfo.Filename,'" "',AnUnitInfo.ResourceFileName,'"');
@ -5391,12 +5391,12 @@ begin
if ResType=rtLRS then begin
LRSFilename:=MainBuildBoss.FindLRSFilename(AnUnitInfo,false);
if LRSFilename<>'' then begin
Result:=LoadCodeBuffer(ResourceCode,LRSFilename,[lbfUpdateFromDisk],ShowAbort);
Result:=LoadCodeBuffer(LRSCode,LRSFilename,[lbfUpdateFromDisk],ShowAbort);
if Result<>mrOk then exit;
end else begin
LRSFilename:=MainBuildBoss.GetDefaultLRSFilename(AnUnitInfo);
if AutoCreateResourceCode then begin
ResourceCode:=CodeToolBoss.CreateFile(LRSFilename);
LRSCode:=CodeToolBoss.CreateFile(LRSFilename);
end else begin
DebugLn(['TMainIDE.DoLoadResourceFile .lrs file not found of unit ',AnUnitInfo.Filename]);
exit(mrCancel);
@ -5404,7 +5404,7 @@ begin
end;
end else begin
LRSFilename:='';
ResourceCode:=nil;
LRSCode:=nil;
end;
// if no resource file found (i.e. normally the .lrs file)
@ -5500,7 +5500,7 @@ end;
function TMainIDE.DoShowSaveFileAsDialog(var AFilename: string;
AnUnitInfo: TUnitInfo;
var ResourceCode: TCodeBuffer; CanAbort: boolean): TModalResult;
var LFMCode, LRSCode: TCodeBuffer; CanAbort: boolean): TModalResult;
var
SaveDialog: TSaveDialog;
SaveAsFilename, SaveAsFileExt, NewFilename, NewUnitName, NewFilePath,
@ -5600,6 +5600,7 @@ begin
exit;
end;
NewFilename:=ExpandFileNameUTF8(SaveDialog.Filename);
//debugln(['TMainIDE.DoShowSaveFileAsDialog SaveDialog.Filename="',SaveDialog.Filename,'" NewFilename="',NewFilename,'"']);
finally
InputHistories.StoreFileDialogSettings(SaveDialog);
SaveDialog.Free;
@ -5637,7 +5638,6 @@ begin
mtWarning,[mbIgnore,mbCancel],CanAbort);
if Result in [mrCancel,mrAbort] then exit;
NewUnitName:=AlternativeUnitName;
Result:=mrCancel;
end;
if Project1.IndexOfUnitWithName(NewUnitName,true,AnUnitInfo)>=0 then
begin
@ -5693,7 +5693,7 @@ begin
if AnUnitInfo<>nil then begin
// rename unit
Result:=DoRenameUnit(AnUnitInfo,NewFilename,NewUnitName,ResourceCode);
Result:=DoRenameUnit(AnUnitInfo,NewFilename,NewUnitName,LFMCode,LRSCode);
AFilename:=AnUnitInfo.Filename;
if Result<>mrOk then exit;
end else begin
@ -5752,7 +5752,7 @@ begin
end;
function TMainIDE.DoSaveUnitComponent(AnUnitInfo: TUnitInfo;
ResourceCode, LFMCode: TCodeBuffer; Flags: TSaveFlags): TModalResult;
LRSCode, LFMCode: TCodeBuffer; Flags: TSaveFlags): TModalResult;
function IsI18NEnabled(UnitOwners: TFPList): boolean;
var
@ -5817,7 +5817,7 @@ begin
// <ClassName>.<PropertyName>=<PropertyValue>
LRSFilename:='';
ResType:=MainBuildBoss.GetResourceType(AnUnitInfo);
ResourceCode:=nil;
LRSCode:=nil;
if (AnUnitInfo.Component<>nil) then begin
// stream component to resource code and to lfm file
@ -5893,9 +5893,9 @@ begin
// create lazarus form resource code
if ComponentSavingOk and (LRSFilename<>'') then begin
if ResourceCode=nil then begin
ResourceCode:=CodeToolBoss.CreateFile(LRSFilename);
ComponentSavingOk:=(ResourceCode<>nil);
if LRSCode=nil then begin
LRSCode:=CodeToolBoss.CreateFile(LRSFilename);
ComponentSavingOk:=(LRSCode<>nil);
end;
if ComponentSavingOk then begin
// there is no bug in the source, so the resource code should be
@ -5924,28 +5924,28 @@ begin
// if resource name has changed, delete old resource
if (AnUnitInfo.ComponentName<>AnUnitInfo.ComponentResourceName)
and (AnUnitInfo.ComponentResourceName<>'') then begin
CodeToolBoss.RemoveLazarusResource(ResourceCode,
CodeToolBoss.RemoveLazarusResource(LRSCode,
'T'+AnUnitInfo.ComponentResourceName);
end;
// add comment to resource file (if not already exists)
if (not CodeToolBoss.AddLazarusResourceHeaderComment(ResourceCode,
if (not CodeToolBoss.AddLazarusResourceHeaderComment(LRSCode,
LRSComment)) then
begin
ACaption:=lisResourceSaveError;
AText:=Format(lisUnableToAddResourceHeaderCommentToResourceFile, [
#13, '"', ResourceCode.FileName, '"', #13]);
#13, '"', LRSCode.FileName, '"', #13]);
Result:=MessageDlg(ACaption,AText,mtError,[mbIgnore,mbAbort],0);
if Result<>mrIgnore then exit;
end;
// add resource to resource file
if (not CodeToolBoss.AddLazarusResource(ResourceCode,
if (not CodeToolBoss.AddLazarusResource(LRSCode,
'T'+AnUnitInfo.ComponentName,CompResourceCode)) then
begin
ACaption:=lisResourceSaveError;
AText:=Format(
lisUnableToAddResourceTFORMDATAToResourceFileProbably, [
AnUnitInfo.ComponentName,
#13, '"', ResourceCode.FileName, '"', #13]
#13, '"', LRSCode.FileName, '"', #13]
);
Result:=MessageDlg(ACaption, AText, mtError, [mbIgnore, mbAbort],0);
if Result<>mrIgnore then exit;
@ -5953,7 +5953,7 @@ begin
AnUnitInfo.ComponentResourceName:=AnUnitInfo.ComponentName;
end;
end else begin
ResourceCode.Source:=CompResourceCode;
LRSCode.Source:=CompResourceCode;
end;
end;
end;
@ -6062,24 +6062,24 @@ begin
writeln('TMainIDE.SaveFileResources F ',ResourceCode.Modified);
{$ENDIF}
// save binary stream (.lrs)
if ResourceCode<>nil then begin
if LRSCode<>nil then begin
if (not (sfSaveToTestDir in Flags)) then
begin
if (ResourceCode.Modified) then begin
if FilenameIsAbsolute(ResourceCode.Filename) then
LRSFilename:=ResourceCode.Filename
if (LRSCode.Modified) then begin
if FilenameIsAbsolute(LRSCode.Filename) then
LRSFilename:=LRSCode.Filename
else if LRSFilename='' then
LRSFilename:=MainBuildBoss.FindLRSFilename(AnUnitInfo,true);
Result:=ForceDirectoryInteractive(ExtractFilePath(LRSFilename),[mbRetry]);
if not Result=mrOk then exit;
Result:=SaveCodeBufferToFile(ResourceCode,LRSFilename);
Result:=SaveCodeBufferToFile(LRSCode,LRSFilename);
if not Result=mrOk then exit;
end;
end else begin
TestFilename:=MainBuildBoss.GetTestUnitFilename(AnUnitInfo);
Result:=SaveCodeBufferToFile(ResourceCode,
Result:=SaveCodeBufferToFile(LRSCode,
ChangeFileExt(TestFilename,
ExtractFileExt(ResourceCode.Filename)));
ExtractFileExt(LRSCode.Filename)));
if not Result=mrOk then exit;
end;
end;
@ -6127,17 +6127,17 @@ end;
function TMainIDE.DoRenameUnit(AnUnitInfo: TUnitInfo;
NewFilename, NewUnitName: string;
var ResourceCode: TCodeBuffer): TModalresult;
var LFMCode, LRSCode: TCodeBuffer): TModalresult;
var
NewLFMFilename: String;
OldSourceCode: String;
NewSource: TCodeBuffer;
NewFilePath: String;
NewResFilePath: String;
NewLRSFilePath: String;
OldFilePath: String;
OldResFilePath: String;
OldLRSFilePath: String;
OldFilename: String;
NewResFilename: String;
NewLRSFilename: String;
NewHighlighter: TLazSyntaxHighlighter;
AmbiguousFiles: TStringList;
AmbiguousText: string;
@ -6149,7 +6149,7 @@ var
OldPPUFilename: String;
OutDir: string;
Owners: TFPList;
LFMBuf: TCodeBuffer;
OldFileExisted: Boolean;
begin
Project1.BeginUpdate(false);
try
@ -6160,7 +6160,7 @@ begin
OldLFMFilename:=ChangeFileExt(OldFilename,'.dfm');
if NewUnitName='' then
NewUnitName:=AnUnitInfo.Unit_Name;
debugln(['TMainIDE.DoRenameUnit ',AnUnitInfo.Filename,' NewUnitName=',NewUnitName,' OldUnitName=',AnUnitInfo.Unit_Name,' ResourceCode=',ResourceCode<>nil,' NewFilename="',NewFilename,'"']);
debugln(['TMainIDE.DoRenameUnit ',AnUnitInfo.Filename,' NewUnitName=',NewUnitName,' OldUnitName=',AnUnitInfo.Unit_Name,' LFMCode=',LFMCode<>nil,' LRSCode=',LRSCode<>nil,' NewFilename="',NewFilename,'"']);
// check new resource file
NewLFMFilename:=ChangeFileExt(NewFilename,'.lfm');
@ -6216,42 +6216,58 @@ begin
end;
end;
// rename lfm file
if FilenameIsAbsolute(NewLFMFilename) then begin
if (LFMCode=nil)
and (OldLFMFilename<>'')
and FilenameIsAbsolute(OldLFMFilename) and FileExistsUTF8(OldLFMFilename) then
LFMCode:=CodeToolBoss.LoadFile(OldLFMFilename,false,false);
if (LFMCode<>nil) then begin
Result:=SaveCodeBufferToFile(LFMCode,NewLFMFilename,true);
if not (Result in [mrOk,mrIgnore]) then begin
DebugLn(['TMainIDE.DoRenameUnit SaveCodeBufferToFile failed for "',NewLFMFilename,'"']);
exit;
end;
LFMCode:=CodeToolBoss.LoadFile(NewLFMFilename,true,false);
end;
end;
// rename Resource file (.lrs)
if (ResourceCode<>nil) then begin
if (LRSCode<>nil) then begin
// the resource include line in the code will be changed later after
// changing the unitname
if AnUnitInfo.IsPartOfProject
and (not Project1.IsVirtual)
and (pfLRSFilesInOutputDirectory in Project1.Flags) then begin
NewResFilename:=MainBuildBoss.GetDefaultLRSFilename(AnUnitInfo);
NewResFilename:=AppendPathDelim(ExtractFilePath(NewResFilename))
NewLRSFilename:=MainBuildBoss.GetDefaultLRSFilename(AnUnitInfo);
NewLRSFilename:=AppendPathDelim(ExtractFilePath(NewLRSFilename))
+ExtractFileNameOnly(NewFilename)+ResourceFileExt;
end else begin
OldResFilePath:=ExtractFilePath(ResourceCode.Filename);
NewResFilePath:=OldResFilePath;
OldLRSFilePath:=ExtractFilePath(LRSCode.Filename);
NewLRSFilePath:=OldLRSFilePath;
if FilenameIsAbsolute(OldFilePath)
and FileIsInPath(OldResFilePath,OldFilePath) then begin
and FileIsInPath(OldLRSFilePath,OldFilePath) then begin
// resource code was in the same or in a sub directory of source
// -> try to keep this relationship
NewResFilePath:=NewFilePath
+copy(ResourceCode.Filename,length(OldFilePath)+1,
length(ResourceCode.Filename));
if not DirPathExists(NewResFilePath) then
NewResFilePath:=NewFilePath;
NewLRSFilePath:=NewFilePath
+copy(LRSCode.Filename,length(OldFilePath)+1,
length(LRSCode.Filename));
if not DirPathExists(NewLRSFilePath) then
NewLRSFilePath:=NewFilePath;
end else begin
// resource code was not in the same or in a sub directory of source
// copy resource into the same directory as the source
NewResFilePath:=NewFilePath;
NewLRSFilePath:=NewFilePath;
end;
NewResFilename:=NewResFilePath
NewLRSFilename:=NewLRSFilePath
+ExtractFileNameOnly(NewFilename)+ResourceFileExt;
end;
Result:=ForceDirectoryInteractive(ExtractFilePath(NewResFilename),[mbRetry,mbIgnore]);
Result:=ForceDirectoryInteractive(ExtractFilePath(NewLRSFilename),[mbRetry,mbIgnore]);
if Result=mrCancel then exit;
if Result=mrOk then begin
if not CodeToolBoss.SaveBufferAs(ResourceCode,NewResFilename,ResourceCode)
if not CodeToolBoss.SaveBufferAs(LRSCode,NewLRSFilename,LRSCode)
then
DebugLn(['TMainIDE.DoRenameUnit CodeToolBoss.SaveBufferAs failed: NewResFilename="',NewResFilename,'"']);
DebugLn(['TMainIDE.DoRenameUnit CodeToolBoss.SaveBufferAs failed: NewResFilename="',NewLRSFilename,'"']);
end;
{$IFDEF IDE_DEBUG}
@ -6260,7 +6276,7 @@ begin
if ResourceCode<>nil then debugln('*** ResourceFileName ',ResourceCode.Filename);
{$ENDIF}
end else begin
NewResFilename:='';
NewLRSFilename:='';
end;
// rename unit name of jit class
if (AnUnitInfo.Component<>nil) then
@ -6270,19 +6286,6 @@ begin
debugln(['TMainIDE.DoRenameUnit D ',ResourceCode<>nil]);
{$ENDIF}
// save new lfm
if FilenameIsAbsolute(OldLFMFilename) and FileExistsUTF8(OldLFMFilename) then
begin
LFMBuf:=CodeToolBoss.LoadFile(OldLFMFilename,false,false);
if (LFMBuf<>nil) and FilenameIsAbsolute(NewLFMFilename) then begin
Result:=SaveCodeBufferToFile(LFMBuf,NewLFMFilename,true);
if Result<>mrOk then begin
DebugLn(['TMainIDE.DoRenameUnit SaveCodeBufferToFile failed for ',NewLFMFilename]);
end;
if Result=mrAbort then exit;
end;
end;
// set new codebuffer in unitinfo and sourceeditor
AnUnitInfo.Source:=NewSource;
AnUnitInfo.ClearModifieds;
@ -6293,12 +6296,12 @@ begin
// change unitname in lpi and in main source file
AnUnitInfo.Unit_Name:=NewUnitName;
if ResourceCode<>nil then begin
if LRSCode<>nil then begin
// change resource filename in the source include directive
if not CodeToolBoss.RenameMainInclude(AnUnitInfo.Source,
ExtractFilename(ResourceCode.Filename),false)
ExtractFilename(LRSCode.Filename),false)
then
DebugLn(['TMainIDE.DoRenameUnit CodeToolBoss.RenameMainInclude failed: AnUnitInfo.Source="',AnUnitInfo.Source,'" ResourceCode="',ExtractFilename(ResourceCode.Filename),'"']);
DebugLn(['TMainIDE.DoRenameUnit CodeToolBoss.RenameMainInclude failed: AnUnitInfo.Source="',AnUnitInfo.Source,'" ResourceCode="',ExtractFilename(LRSCode.Filename),'"']);
end;
// change unitname on SourceNotebook
@ -6327,6 +6330,8 @@ begin
AnUnitInfo.IsPartOfProject);
if Result=mrAbort then exit;
OldFileExisted:=FilenameIsAbsolute(OldFilename) and FileExistsUTF8(OldFilename);
// delete ambiguous files
NewFilePath:=ExtractFilePath(NewFilename);
AmbiguousFiles:=
@ -6393,7 +6398,7 @@ begin
// delete old pas, .pp, .ppu
if (CompareFilenames(NewFilename,OldFilename)<>0)
and FilenameIsAbsolute(OldFilename) and FileExistsUTF8(OldFilename) then begin
and OldFileExisted then begin
if MessageDlg(lisDeleteOldFile2,
Format(lisDeleteOldFile, ['"', OldFilename, '"']),
mtConfirmation,[mbYes,mbNo],0)=mrYes then
@ -6401,6 +6406,7 @@ begin
Result:=DeleteFileInteractive(OldFilename,[mbAbort]);
if Result=mrAbort then exit;
// delete old lfm
//debugln(['TMainIDE.DoRenameUnit NewLFMFilename=',NewLFMFilename,' exists=',FileExistsUTF8(NewLFMFilename),' Old=',OldLFMFilename,' exists=',FileExistsUTF8(OldLFMFilename)]);
if FileExistsUTF8(NewLFMFilename) then begin
// the new file has a lfm, so it is safe to delete the old
// (if NewLFMFilename does not exist, it didn't belong to the unit
@ -6412,7 +6418,7 @@ begin
end;
end;
// delete old lrs
if (ResourceCode<>nil) and FileExistsUTF8(ResourceCode.Filename) then begin
if (LRSCode<>nil) and FileExistsUTF8(LRSCode.Filename) then begin
// the new file has a lrs, so it is safe to delete the old
// (if the new lrs does not exist, it didn't belong to the unit
// or there was an error during delete. Never delete files in doubt.)
@ -9015,7 +9021,7 @@ function TMainIDE.DoSaveEditorFile(AEditor: TSourceEditorInterface;
var
AnUnitInfo: TUnitInfo;
TestFilename, DestFilename: string;
ResourceCode, LFMCode: TCodeBuffer;
LRSCode, LFMCode: TCodeBuffer;
MainUnitInfo: TUnitInfo;
OldUnitName: String;
OldFilename: String;
@ -9106,10 +9112,10 @@ begin
// load old resource file
LFMCode:=nil;
ResourceCode:=nil;
LRSCode:=nil;
if WasPascalSource then
begin
Result:=DoLoadResourceFile(AnUnitInfo,LFMCode,ResourceCode,
Result:=DoLoadResourceFile(AnUnitInfo,LFMCode,LRSCode,
not (sfSaveAs in Flags),true,CanAbort);
if not (Result in [mrIgnore,mrOk]) then
exit;
@ -9123,10 +9129,9 @@ begin
if [sfSaveAs,sfSaveToTestDir]*Flags=[sfSaveAs] then begin
// let user choose a filename
NewFilename:=OldFilename;
Result:=DoShowSaveFileAsDialog(NewFilename,AnUnitInfo,ResourceCode,CanAbort);
Result:=DoShowSaveFileAsDialog(NewFilename,AnUnitInfo,LFMCode,LRSCode,CanAbort);
if not (Result in [mrIgnore,mrOk]) then
exit;
LFMCode:=nil;
end;
// save source
@ -9177,8 +9182,8 @@ begin
{$ENDIF}
{$IFDEF IDE_MEM_CHECK}CheckHeapWrtMemCnt('TMainIDE.DoSaveEditorFile B');{$ENDIF}
// save resource file and lfm file
if (ResourceCode<>nil) or (AnUnitInfo.Component<>nil) then begin
Result:=DoSaveUnitComponent(AnUnitInfo,ResourceCode,LFMCode,Flags);
if (LRSCode<>nil) or (AnUnitInfo.Component<>nil) then begin
Result:=DoSaveUnitComponent(AnUnitInfo,LRSCode,LFMCode,Flags);
if not (Result in [mrIgnore, mrOk]) then
exit;
end;
@ -13245,7 +13250,7 @@ var
OldShortFilename: String;
NewFilename: String;
NewShortFilename: String;
ResourceCode: TCodeBuffer;
LFMCode, LRSCode: TCodeBuffer;
NewUnitName: String;
begin
Result:=mrOk;
@ -13272,8 +13277,9 @@ begin
AnUnitInfo.ReadUnitNameFromSource(false);
NewUnitName:=AnUnitInfo.CreateUnitName;
end;
ResourceCode:=nil;
Result:=DoRenameUnit(AnUnitInfo,NewFilename,NewUnitName,ResourceCode);
LFMCode:=nil;
LRSCode:=nil;
Result:=DoRenameUnit(AnUnitInfo,NewFilename,NewUnitName,LFMCode,LRSCode);
end;
function TMainIDE.DoCheckFilesOnDisk(Instantaneous: boolean): TModalResult;