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pp.pas
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Pascal/Delphi Source File
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1998-09-24
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15KB
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535 lines
{
$Id: pp.pas,v 1.1.1.1.2.2 1998/08/18 13:35:47 carl Exp $
Copyright (c) 1993-98 by Florian Klaempfl
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************}
{
possible compiler switches (* marks a currently required switch):
-----------------------------------------------------------------
USE_RHIDE generates errors and warning in an format recognized
by rhide
TP to compile the compiler with Turbo or Borland Pascal
GDB* support of the GNU Debugger
I386 generate a compiler for the Intel i386+
M68K generate a compiler for the M68000
MULLER release special debug code of Pierre Muller
(needs some extra units)
USEOVERLAY compiles a TP version which uses overlays
EXTDEBUG some extra debug code is executed
SUPPORT_MMX only i386: releases the compiler switch
MMX which allows the compiler to generate
MMX instructions
EXTERN_MSG Don't compile the msgfiles in the compiler, always
use external messagefiles
BIG_ENDIAN Target machine where compiler will run is
a BIG ENDIAN machine (such as m68k)
-----------------------------------------------------------------
-----------------------------------------------------------------
Required switches for a i386 compiler be compiled by Free Pascal Compiler:
GDB;I386
Required switches for a i386 compiler be compiled by Turbo Pascal:
GDB;I386;TP
Required switches for a 68000 compiler be compiled by Turbo Pascal:
GDB;M68k;TP
}
{$ifdef FPC}
{$ifndef GDB}
{$error The compiler switch GDB must be defined}
{$endif GDB}
{$ifndef I386}
{$ifndef M68K}
{$error One of the switches I386 or M68K must be defined}
{$endif M68K}
{$endif I386}
{$ifdef support_mmx}
{$ifndef i386}
{$error I386 switch must be on}
{$endif i386}
{$endif support_mmx}
{$endif}
{$ifdef TP}
{$IFNDEF DPMI}
{$M 24576,0,655360}
{$ELSE}
{$M 49152}
{$ENDIF DPMI}
{$E+,N+,F+,S-,R-}
{$endif TP}
program pp;
{$IFDEF TP}
{$UNDEF PROFILE}
{$IFDEF DPMI}
{$UNDEF USEOVERLAY}
{$ENDIF}
{$ENDIF}
{$ifdef FPC}
{$UNDEF USEOVERLAY}
{$UNDEF USEPMD}
{$ENDIF}
uses
{$ifdef fpc}
{$ifdef GO32V2}
emu387,
dpmiexcp,
{$endif GO32V2}
{$endif}
{$ifdef useoverlay}
{$ifopt o+}
Overlay,ppovin,
{$else}
{ warn when not $O+ is used }
- You must compile with the $O+ switch
{$endif}
{$endif useoverlay}
{$ifdef lock}
lock,
{$endif lock}
{$ifdef profile}
profile,
{$endif profile}
{$ifdef muller}
openfile,
{$ifdef usepmd}
usepmd,
{$endif usepmd}
{$endif}
{$ifdef LINUX}
catch,
{$endif LINUX}
dos,objects,cobjects,
globals,parser,systems,tree,symtable,options,link,import,files,
verb_def,verbose;
{$ifdef useoverlay}
{$O files}
{$O globals}
{$O hcodegen}
{$O pass_1}
{$O tree}
{$O types}
{$O objects}
{$O options}
{$O cobjects}
{$O globals}
{$O systems}
{$O parser}
{$O dos}
{$O scanner}
{$O symtable}
{$O objects}
{$O aasm}
{$ifdef gdb}
{$O gdb}
{$endif gdb}
{$ifdef i386}
{$O opts386}
{$O cgi386}
{$O aopt386}
{$O cgai386}
{$O i386}
{$O radi386}
{$O rai386}
{$O ratti386}
{$O tgeni386}
{$endif}
{$ifdef m68k}
{$O opts68k}
{$O cg68k}
{$O ra68k}
{$O ag68kgas}
{$endif}
{$endif useoverlay}
function print_status(const status : tcompilestatus) : boolean;
begin
print_status:=false;
if (abslines=1) then
Message1(general_i_kb_free,tostr(memavail shr 10));
if (status.currentline mod 100=0) then
Message2(general_l_lines_and_free,tostr(status.currentline),tostr(memavail shr 10));
{$ifdef tp}
if (use_big) then
begin
{$ifdef dpmi}
Message1(general_i_stream_kb_free,tostr(symbolstream.getsize shr 10));
{$else}
Message1(general_i_ems_kb_free,tostr(symbolstream.getsize shr 10));
{$endif}
end;
{$endif}
end;
function getrealtime : real;
var
h,m,s,s100 : word;
begin
dos.gettime(h,m,s,s100);
getrealtime:=h*3600.0+m*60.0+s+s100/100.0;
end;
var
oldexit : pointer;
procedure myexit;{$ifndef FPC}far;{$endif}
begin
exitproc:=oldexit;
{$ifdef tp}
if use_big then
symbolstream.done;
{$endif}
if (erroraddr<>nil) then
begin
case exitcode of
202 : begin
erroraddr:=nil;
Writeln('Error: Stack Overflow');
end;
203 : begin
erroraddr:=nil;
Writeln('Error: Out of memory');
end;
end;
{when the module is assigned, then the messagefile is also loaded}
if assigned(current_module) and assigned(current_module^.current_inputfile) then
Writeln('Compilation aborted at line ',current_module^.current_inputfile^.line_no);
end;
{ Close all remaining opened files }
CloseAll;
end;
{$ifdef tp}
procedure do_streamerror;
begin
if symbolstream.status=-2 then
WriteLn('Error: Not enough EMS memory')
else
WriteLn('Error: EMS Error ',symbolstream.status);
{$ifndef MULLER}
halt(1);
{$else MULLER}
runerror(190);
{$endif MULLER}
end;
{$ifdef USEOVERLAY}
function _heaperror(size:word):integer;far;
type
heaprecord=record
next:pointer;
values:longint;
end;
var
l,m:longint;
begin
l:=ovrgetbuf-ovrminsize;
if (size>maxavail) and (l>=size) then
begin
m:=((longint(size)+$3fff) and $ffffc000);
{Clear the overlay buffer.}
ovrclearbuf;
{Shrink it.}
ovrheapend:=ovrheapend-m shr 4;
heaprecord(ptr(ovrheapend,0)^).next:=freelist;
heaprecord(ptr(ovrheapend,0)^).values:=m shl 12;
heaporg:=ptr(ovrheapend,0);
freelist:=heaporg;
Writeln('Warning: Overlay buffer shrinked, because of memory shortage');
_heaperror:=2;
end
else
_heaperror:=0;
end;
{$endif USEOVERLAY}
{$endif TP}
var
start : real;
{$IfDef Extdebug}
EntryMemAvail : longint;
{$EndIf}
begin
oldexit:=exitproc;
exitproc:=@myexit;
start:=getrealtime;
{$ifdef EXTDEBUG}
EntryMemAvail:=MemAvail;
{$endif}
{$ifdef MULLER}
{$ifdef DPMI}
HeapBlock:=$ff00;
{$endif DPMI}
{$endif MULLER}
{$ifdef TP}
{$IFDEF USEOVERLAY}
heaperror:=@_heaperror;
{$ENDIF USEOVERLAY}
if use_big then
begin
streamerror:=@do_streamerror;
{ symbolstream.init('TMPFILE',stcreate,16000); }
{$ifndef dpmi}
symbolstream.init(10000,4000000); {using ems streams}
{$else}
symbolstream.init(1000000,16000); {using memory streams}
{$endif}
if symbolstream.errorinfo=stiniterror then
do_streamerror;
{ write something, because pos 0 means nil pointer }
symbolstream.writestr(@inputfile);
end;
{$endif tp}
{$ifndef TP}
compilestatusproc:=@print_status;
{$else}
compilestatusproc:=print_status;
{$endif}
{ inits which need to be done before the arguments are parsed }
get_exepath;
init_tree;
globalsinit;
init_symtable;
linker.init;
{ read the arguments }
read_arguments;
{ inits which depend on arguments }
initparser;
initimport;
{show some info}
Message1(general_i_compilername,FixFileName(paramstr(0)));
Message1(general_i_unitsearchpath,unitsearchpath