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| program LabelsToNum;
{$APPTYPE CONSOLE}
uses
Windows,
SysUtils,
classes,
graphics;
var FFile,TFile:string; //FFile:From File (source File), TFIle:To File (Target)
f2:tstringList;
PileFichiersTraites:TStringList;
BoucleInfinie:TStringList;
IndexDebutBoucle:integer;
LinkedFile:TStringList;
type TTLabel=record
name:string;
line:string;
end;
TTypeLine=(TLNumbered,TLnotNumbered);
TFileContains=set of TTypeLine;
TError=(ECircularLink,EFileMissing);
TErrors=set of TError;
TScanState=(inCode,inString,inComment1,inComment2);
procedure RemoveComments(ASL:TStringList);
const _QUOTE=34;
_SLASH=47;
_BACKSLASH=92;
_STAR=42;
_LF=10; _CR=13;
var StreamIn,StreamOut :TMemoryStream;
c,previous:byte;
ScanState,NewState,PreviousState:TScanState;
begin
StreamIn:=TMemoryStream.Create;
StreamOut:=TMemoryStream.Create;
try
ScanState:=inCode;
NewState:=inCode;
PreviousState:=inCode;
previous:=0;
StreamIn.Clear;
StreamOut.Clear;
ASL.SaveToStream(StreamIn);
StreamIn.Position:=0;
while StreamIn.Position<StreamIn.Size do
begin
StreamIn.Read(c,1);
case ScanState of
inCode:begin
if ((previous=_SLASH) and (not (c in [_SLASH,_STAR]))
and (PreviousState<>inComment2))
then StreamOut.Write(previous,1);
case c of
_QUOTE:begin
NewState:=inString;
StreamOut.Write(c,1);
end;
_SLASH:if previous=_SLASH then NewState:=inComment1
else StreamOut.Write(c,1);
_STAR:if previous=_SLASH then NewState:=inComment2
else StreamOut.Write(c,1);
else StreamOut.Write(c,1);
end;
end;
inString:begin
if (c in [_QUOTE,_CR,_LF]) then NewState:=inCode;
StreamOut.Write(c,1);
end;
inComment1:begin
if c in [_CR,_LF] then begin
NewState:=inCode;
StreamOut.Write(c,1);
end;
end;
inComment2:if ((c=_SLASH) and (previous=_STAR))
then NewState:=inCode;
end;
PreviousState:=ScanState;
ScanState:=NewState;
previous:=c;
end;
StreamOut.position:=0;
ASL.Clear;
ASL.LoadFromStream(StreamOut);
finally
StreamIn.Free;
StreamOut.Free;
end
end;
function ScanFile(Fichier : String):TErrors;
var
Index : Integer;
WorkFile : TStringList;
Dest : String;
s,strimmed:string;
begin
if not FileExists(ExtractFilePath(FFile)+Fichier)
then begin
Result:=[EFileMissing];
exit;
end;
result:=[ECircularLink];
if PileFichiersTraites.indexOf(fichier)>-1
then begin
IndexDebutBoucle:=PileFichiersTraites.indexOf(fichier);
exit; //On sort de la fonction on a un duplicata
end;
result:=[];
PileFichiersTraites.Add(Fichier);
WorkFile := TStringList.Create;
try
WorkFile.LoadFromFile(Fichier);
//remove comments if any
RemoveComments(WorkFile);
Index:=0;
while ((Index<WorkFile.Count) and (result=[])) do
begin
s:=WorkFile.Strings[Index];
strimmed:=Trim(s);
if strimmed='' then begin
inc(Index);
Continue;
end;
if strimmed[1]='#' then
begin
Dest:=Copy(WorkFile.Strings[Index],2,Length(strimmed) - 1);
result:=ScanFile(Dest);
if result<>[] //On a eu une boucle infinie ou un fichier manquant
//alors on prépare un rapport d'erreurs
then if IndexDebutBoucle<=PileFichiersTraites.Count
then BoucleInfinie.Insert(0,Dest);
end
else LinkedFile.Add(s);
inc(Index);
end;
PileFichiersTraites.Delete(PileFichiersTraites.Count-1);
finally
WorkFile.free;
end;
end;
function DoLink(Fichier : String):TErrors;
begin
IndexDebutBoucle:=-1;
PileFichiersTraites.Clear;
BoucleInfinie.Clear;
LinkedFile.Clear;
result:=ScanFile(Fichier);
end;
procedure SortLabelArray(var ALabelArray:array of TTLabel);
var i,j,N:integer;
temp:TTLabel;
begin
N:=High(ALabelArray);
for i:=0 to N-1 do //on fait varier i de 0 à N-2
for j:=N downto (i+1) do //on fait varier j de N-1 à (i+1)
if ALabelArray[j].name>ALabelArray[i].name then
begin
temp:=ALabelArray[i];
ALabelArray[i]:=ALabelArray[j];
ALabelArray[j]:=temp;
end;
end;
function KindOfFile:TFileContains;
var i:integer;
s,strimmed:string;
begin
for i:=0 to LinkedFile.Count-1 do
begin
s:=LinkedFile.Strings[i];
strimmed:=Trim(s);
if strimmed='' then Continue;
case strimmed[1] of
'0'..'9':include(Result,TLNumbered);
'$','/':begin
//
end
else include(Result,TLnotNumbered);
end;
end;
end;
procedure ProcessFiles(f1,f2:TStringList;Firstn,Stepn:integer);
var LabelArray:array of TTLabel;
i:integer;
CurrentLine,LabelIndex:integer;
s,strimmed:string;
temp:TTLabel;
begin
CurrentLine:=Firstn;
for i:=0 to f1.Count-1 do
begin
s:=f1.Strings[i];
strimmed:=Trim(s);
if strimmed='' then Continue;
case strimmed[1] of
'&':begin
SetLength(LabelArray,Length(LabelArray)+1);
LabelIndex:=High(labelArray);
LabelArray[LabelIndex].name:=strimmed;
LabelArray[LabelIndex].line:=trim(IntToStr(CurrentLine));
end
else begin
f2.Add(IntToStr(CurrentLine)+' '+s);
Inc(CurrentLine,Stepn);
end;
end;
end;
////Sort LabelArray
SortLabelArray(LabelArray);
//Second Pass : replace Labels by linenumbers
for i:=0 to High(LabelArray) do
begin
temp:=LabelArray[i];
f2.Text:=StringReplace(f2.Text,temp.name,temp.line,[rfReplaceAll,rfIgnoreCase]);
end;
end;
//Tips and Info display
procedure Tips;
begin
writeln('"Labelized BASIC" to Oric BASIC converter for OSDK v1.3');
writeln('Wilfrid AVRILLON - 2007');
writeln;
writeln('Syntax : ',ExtractFileName(ParamStr(0)),' <FromFile> <ToFile> <FirstLineNum> <Step> -v');
writeln;
writeln('<FromFile>.... : File to be processed - mandatory');
writeln('<ToFile>.... : Target file, result of the process - mandatory');
writeln('<FirstLineNum> : Index of the first Line');
writeln(' of the Basic Program.');
writeln(' default=1 - this field is optional');
writeln('<Step>........ : Step used for the numbering of the BASIC program.');
writeln(' default=1 - this field is optional');
writeln;
writeln('Example : ',ExtractFileName(ParamStr(0)),' myprogram.txt myprogram.bas 5 5');
writeln;
end;
procedure SetColor(fg: byte; bg: byte);
begin
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),fg + (bg * 16));
end;
procedure DisplayError;
begin
setcolor(12,0);
write('Error : ');
setcolor(7,0);
end;
function FileNameIsValid(FileName:string):boolean;
var F:file;
begin
result:=true;
if FileExists(FileName) then exit;
try
AssignFile(F,Filename);
Rewrite(F);
CloseFile(F);
DeleteFile(FileName);
except
on EInOutError do result:=false;
end;
end;
procedure ExecuteProgram;
var firstlinenum:integer;
firstlinnums:string;
stepnum:integer;
stepnums:string;
b1,b2:boolean;
PossibleErrors:TErrors;
i:integer;
FileContains:TFileContains;
begin
if ParamCount<2
then begin
if ParamCount=0
then begin
DisplayError;
writeln('Not enough parameters !')
end
else begin
if ((pos('?',ParamStr(1))=0) and (pos('HELP',uppercase(ParamStr(1)))=0))
then begin
DisplayError;
writeln('Not enough parameters !')
end;
end;
tips;
exit;
end;
if ParamCount>4
then begin
DisplayError;
writeln('Too many parameters !');
tips;
exit;
end;
//number of parameters between 2 and 4
FFile:=ParamStr(1);
TFile:=ParamStr(2);
firstlinnums:=ParamStr(3);
stepnums:=ParamStr(4);
b1:=FileExists(Ffile);
if not b1
then begin
DisplayError;
write('The file ');
setcolor(15,0);
write(FFile);
setcolor(7,0);
writeln(' does not exist...');
Tips;
exit;
end;
b2:=FileNameIsValid(Tfile);
if not b2
then begin
DisplayError;
write('The file name ');
setcolor(15,0);
write(TFile);
setcolor(7,0);
writeln(' is not valid...');
tips;
exit;
end;
PossibleErrors:=DoLink(Ffile);
if EFileMissing in PossibleErrors
then begin
DisplayError;
Writeln('File not found :');
for i:=0 to BoucleInfinie.Count-1 do
begin
Write(' ',BoucleInfinie.strings[i]);
if i<>(BoucleInfinie.Count-1)
then begin
if i=0
then writeln(' calls')
else writeln(' which calls')
end
else begin
setcolor(15,0);
writeln(' which does not exist !');
setcolor(7,0);
end;
end;
exit;
end;
if ECircularLink in PossibleErrors
then begin
DisplayError;
Writeln('Circular link found :');
//Afficher Le Contenu de BoucleInfinie
for i:=0 to BoucleInfinie.Count-1 do
begin
Write(' ',BoucleInfinie.strings[i]);
if i<>(BoucleInfinie.Count-1)
then begin
if i=0
then writeln(' calls')
else writeln(' which calls')
end;
end;
exit;
end;
//TODO : vérifier si le fichier est numéroté ou non
FileContains:=KindOfFile;
if FileContains=[TLNumbered]//regular Basic file
then begin
LinkedFile.SaveToFile(TFile);
exit;
end;
if FileContains=[TLNumbered,TLnotNumbered]
then begin
DisplayError;
Writeln('Error : you mixed regular BASIC with labelized Basic !');
exit;
end;
//All is OK, continue
firstlinenum:=StrToIntDef(firstlinnums,1);
stepnum:=StrToIntDef(stepnums,1);
f2:=TStringList.Create;
try
if FileExists(TFile) then DeleteFile(TFile);
f2.Clear;
f2.Add('#file '+ExtractFileName(FFile));
writeln('Building the program LABELS');
ProcessFiles(LinkedFile,f2,firstlinenum,stepnum);
f2.SaveToFile(TFile);
finally
f2.Free;
end;
end;
begin
PileFichiersTraites:=TStringList.Create;
BoucleInfinie:=TStringList.Create;
LinkedFile:=TStringList.Create;
try
try
ExecuteProgram;
except
//Gérer la condition d'erreur
Writeln('Error encountered, this program terminates...');
//Définit ExitCode <> 0 pour indiquer la condition d'erreur (par convention)
ExitCode := 1;
end;
finally
PileFichiersTraites.Free;
BoucleInfinie.Free;
LinkedFile.Free;
end;
end. |
Demande de service : compilation Linux
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