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|
unit PasPrep;
interface
uses
Comments;
const
PasNesting:longbool=true;
procedure do_pascal(__buf:pointer;size:longint;proc:pointer);
implementation
type
at=array[1..1]of char;
pat=^at;
str255=string[255];
procedure do_pascal(__buf:pointer;size:longint;proc:pointer);
var
old,i:longint;
buf:pat absolute __buf;
const
GetWord_Pos:longint=0;
LastWord:str255='';
StringBody:longbool=false;
procedure GetWord;
begin
LastWord:='';
if GetWord_Pos>size then
exit;
while buf^[GetWord_Pos]<=#32 do
begin
if GetWord_Pos>size then
exit;
inc(GetWord_Pos);
end;
repeat
if buf^[GetWord_Pos]=''''then
StringBody:=not StringBody;
LastWord:=LastWord+upcase(buf^[GetWord_Pos]);
inc(GetWord_Pos);
if GetWord_Pos>size then
break;
if(buf^[GetWord_Pos]in[#0..#32,';'])and not StringBody then
break;
until false;
while(length(LastWord)>1)and(lastWord[1]=';')do
begin
inc(GetWord_Pos);
delete(LastWord,1,1);
end;
end;
function IsTypeDef(pos:longint):longbool;
var
i:longint;
begin
IsTypeDef:=false;
for i:=pos downto 1 do
if buf^[i]>=#32 then
begin
IsTypeDef:=buf^[i]in['=',':'];
exit;
end;
end;
procedure JumpToNext;
var iLastword: Longint;
begin
repeat
iLastword:=GetWord_Pos;
if GetWord_Pos>size then
exit;
GetWord;
i:=GetWord_Pos;
if(LastWord='EXTERNAL')or(LastWord='FORWARD')or(LastWord='INLINE')then
break
else if (LastWord='CONST')then begin
GetWord_Pos:=iLastword;
break;
end;
until false;
end;
procedure JumpToEnd;
var
mainBegin:str255;
procedure do_body;
var
level:longint;
begin
level:=1;
while level>0 do
begin
if GetWord_Pos>size then
exit;
GetWord;
if (LastWord='BEGIN')or(LastWord='ASM')or(LastWord='CASE')then
inc(level)
else if (LastWord='END')then
dec(level);
end;
end;
begin
mainBegin:='BEGIN';
repeat
if GetWord_Pos>size then
exit;
GetWord;
i:=GetWord_Pos;
if((LastWord='PROCEDURE')or(lastword='FUNCTION')or(lastword='OPERATOR'))and not isTypedef(old)then
JumpToEnd
else if(LastWord='EXTERNAL')or(LastWord='FORWARD')or(LastWord='INLINE')then
exit
else if (LastWord='ASSEMBLER')then
mainBegin:='ASM';
until LastWord=mainBegin;
do_body;
end;
procedure do_consts(savefunc:pointer);
type
Tpushfunc=procedure(const key,value:str255;CaseSent:longbool);
var
old,k,kk:longint;
s:str255;
ss:array[1..2]of str255;
pushfunc:Tpushfunc absolute SaveFunc;
begin
repeat
if GetWord_Pos>size then
exit;
old:=GetWord_Pos;
GetWord;
if(((LastWord='PROCEDURE')or(lastword='FUNCTION')or(lastword='OPERATOR'))and not isTypedef(old))
or(lastword='TYPE')
or(lastword='CONST')
or(lastword='VAR')then
begin
GetWord_Pos:=old;
exit;
end
else
begin
s:=LastWord;
while LastWord<>';'do
begin
GetWord;
if GetWord_Pos>size then
exit;
s:=s+LastWord;
end;
if s[length(s)]=';'then
dec(s[0]);
if s<>''then
if pos(':',s)=0 then
if pos('=',s)>0 then
begin
ss[1]:='';
ss[2]:='';
kk:=1;
for k:=1 to length(s)do
begin
if s[k]>#32 then
begin
if(s[k]='=')and(kk=1)then
inc(kk)
else
ss[kk]:=ss[kk]+s[k];
end;
end;
TpushFunc(PushFunc)(ss[1],ss[2],false);
end;
end;
until false;
end;
begin
ClearComments(PasNesting,buf,size);
i:=1;
GetWord_Pos:=0;
while i<=size do
begin
old:=GetWord_Pos;
GetWord;
i:=GetWord_Pos;
if (lastword='OPERATOR')and not isTypedef(old)then
JumpToEnd
else if ((LastWord='PROCEDURE')or(lastword='FUNCTION')) and not isTypedef(old) then
JumpToNext
else if LastWord='CONST'then
Do_Consts(proc)
else if LastWord='IMPLEMENTATION'then
exit;
end;
end;
end.
|
