mirror of
https://gitlab.com/freepascal.org/fpc/source.git
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535 lines
15 KiB
ObjectPascal
535 lines
15 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1998-2002 by Florian Klaempfl and Pierre Muller
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Support routines for creating the browser log
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit browlog;
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{$i fpcdefs.inc}
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interface
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uses
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cclasses,
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globtype,
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fmodule,finput,
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symbase,symconst,symtype,symsym,symdef,symtable;
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const
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logbufsize = 16384;
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type
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pbrowserlog=^tbrowserlog;
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tbrowserlog=object
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fname : string;
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logopen : boolean;
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stderrlog : boolean;
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f : file;
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elements_to_list : tstringlist;
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buf : pchar;
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bufidx : longint;
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identidx : longint;
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constructor init;
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destructor done;
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procedure setfilename(const fn:string);
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procedure createlog;
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procedure flushlog;
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procedure addlog(const s:string);
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procedure addlogrefs(p:tref);
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procedure closelog;
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procedure ident;
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procedure unident;
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procedure browse_symbol(const sr : string);
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procedure list_elements;
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procedure list_debug_infos;
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end;
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var
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browserlog : tbrowserlog;
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procedure WriteBrowserLog;
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procedure InitBrowserLog;
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procedure DoneBrowserLog;
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implementation
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uses
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cutils,comphook,
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globals,systems,
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ppu;
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function get_file_line(ref:tref): string;
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var
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inputfile : tinputfile;
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begin
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get_file_line:='';
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with ref do
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begin
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inputfile:=get_source_file(moduleindex,posinfo.fileindex);
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if assigned(inputfile) then
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if status.use_gccoutput then
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{ for use with rhide
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add warning so that it does not interpret
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this as an error !! }
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get_file_line:=lower(inputfile.name^)
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+':'+tostr(posinfo.line)+': warning: '+tostr(posinfo.column)+':'
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else
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get_file_line:=inputfile.name^
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+'('+tostr(posinfo.line)+','+tostr(posinfo.column)+')'
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else
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if status.use_gccoutput then
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get_file_line:='file_unknown:'
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+tostr(posinfo.line)+': warning: '+tostr(posinfo.column)+':'
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else
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get_file_line:='file_unknown('
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+tostr(posinfo.line)+','+tostr(posinfo.column)+')'
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end;
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end;
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{****************************************************************************
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TBrowser
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****************************************************************************}
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constructor tbrowserlog.init;
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begin
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fname:=FixFileName('browser.log');
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logopen:=false;
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elements_to_list:=TStringList.Create;
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end;
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destructor tbrowserlog.done;
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begin
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if logopen then
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closelog;
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elements_to_list.free;
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end;
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procedure tbrowserlog.setfilename(const fn:string);
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begin
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fname:=FixFileName(fn);
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end;
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procedure tbrowserlog.createlog;
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begin
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if logopen then
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closelog;
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assign(f,fname);
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{$I-}
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rewrite(f,1);
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{$I+}
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if ioresult<>0 then
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exit;
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logopen:=true;
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getmem(buf,logbufsize);
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bufidx:=0;
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identidx:=0;
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end;
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procedure tbrowserlog.flushlog;
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begin
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if logopen then
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if not stderrlog then
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blockwrite(f,buf^,bufidx)
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else
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begin
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buf[bufidx]:=#0;
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{$ifdef FPC}
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write(stderr,buf);
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{$else FPC}
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write(buf);
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{$endif FPC}
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end;
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bufidx:=0;
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end;
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procedure tbrowserlog.closelog;
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begin
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if logopen then
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begin
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flushlog;
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close(f);
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freemem(buf,logbufsize);
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logopen:=false;
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end;
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end;
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procedure tbrowserlog.list_elements;
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begin
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stderrlog:=true;
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getmem(buf,logbufsize);
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logopen:=true;
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while not elements_to_list.empty do
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browse_symbol(elements_to_list.getfirst);
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flushlog;
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logopen:=false;
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freemem(buf,logbufsize);
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stderrlog:=false;
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end;
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procedure tbrowserlog.list_debug_infos;
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{$ifndef debug}
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begin
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end;
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{$else debug}
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var
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hp : tmodule;
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ff : tinputfile;
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begin
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hp:=tmodule(loaded_units.first);
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while assigned(hp) do
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begin
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addlog('Unit '+hp.modulename^+' has index '+tostr(hp.unit_index));
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ff:=hp.sourcefiles.files;
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while assigned(ff) do
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begin
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addlog('File '+ff.name^+' index '+tostr(ff.ref_index));
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ff:=ff.ref_next;
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end;
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hp:=tmodule(hp.next);
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end;
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end;
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{$endif debug}
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procedure tbrowserlog.addlog(const s:string);
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begin
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if not logopen then
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exit;
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{ add ident }
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if (identidx>0) and not stderrlog then
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begin
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if bufidx+identidx>logbufsize then
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flushlog;
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fillchar(buf[bufidx],identidx,' ');
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inc(bufidx,identidx);
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end;
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{ add text }
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if bufidx+length(s)>logbufsize-2 then
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flushlog;
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move(s[1],buf[bufidx],length(s));
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inc(bufidx,length(s));
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{ add crlf }
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buf[bufidx]:=target_info.newline[1];
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inc(bufidx);
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if length(target_info.newline)=2 then
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begin
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buf[bufidx]:=target_info.newline[2];
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inc(bufidx);
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end;
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end;
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procedure tbrowserlog.addlogrefs(p:tref);
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var
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ref : tref;
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begin
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ref:=p;
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Ident;
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while assigned(ref) do
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begin
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Browserlog.AddLog(get_file_line(ref));
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ref:=ref.nextref;
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end;
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Unident;
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end;
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procedure tbrowserlog.browse_symbol(const sr : string);
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var
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sym,symb : tstoredsym;
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symt : tsymtable;
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hp : tmodule;
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s,ss : string;
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p : byte;
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procedure next_substring;
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begin
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p:=pos('.',s);
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if p>0 then
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begin
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ss:=copy(s,1,p-1);
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s:=copy(s,p+1,255);
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end
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else
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begin
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ss:=s;
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s:='';
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end;
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addlog('substring : '+ss);
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end;
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begin
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{ don't create a new reference when
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looking for the symbol !! }
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make_ref:=false;
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s:=sr;
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symt:=symtablestack;
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next_substring;
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if assigned(symt) then
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begin
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sym:=tstoredsym(symt.search(ss));
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if sym=nil then
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sym:=tstoredsym(symt.search(upper(ss)));
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end
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else
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sym:=nil;
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if assigned(sym) and (sym.typ=unitsym) and (s<>'') then
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begin
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addlog('Unitsym found !');
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symt:=tunitsym(sym).unitsymtable;
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if assigned(symt) then
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begin
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next_substring;
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sym:=tstoredsym(symt.search(ss));
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end
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else
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sym:=nil;
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end;
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if not assigned(sym) then
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begin
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symt:=nil;
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{ try all loaded_units }
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hp:=tmodule(loaded_units.first);
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while assigned(hp) do
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begin
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if hp.modulename^=upper(ss) then
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begin
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symt:=hp.globalsymtable;
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break;
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end;
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hp:=tmodule(hp.next);
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end;
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if not assigned(symt) then
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begin
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addlog('!!!Symbol '+ss+' not found !!!');
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make_ref:=true;
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exit;
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end
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else
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begin
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next_substring;
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sym:=tstoredsym(symt.search(ss));
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if sym=nil then
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sym:=tstoredsym(symt.search(upper(ss)));
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end;
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end;
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while assigned(sym) and (s<>'') do
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begin
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next_substring;
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case sym.typ of
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typesym :
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begin
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if ttypesym(sym).restype.def.deftype in [recorddef,objectdef] then
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begin
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if ttypesym(sym).restype.def.deftype=recorddef then
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symt:=trecorddef(ttypesym(sym).restype.def).symtable
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else
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symt:=tobjectdef(ttypesym(sym).restype.def).symtable;
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sym:=tstoredsym(symt.search(ss));
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if sym=nil then
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sym:=tstoredsym(symt.search(upper(ss)));
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end;
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end;
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varsym :
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begin
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if tvarsym(sym).vartype.def.deftype in [recorddef,objectdef] then
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begin
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if tvarsym(sym).vartype.def.deftype=recorddef then
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symt:=trecorddef(tvarsym(sym).vartype.def).symtable
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else
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symt:=tobjectdef(tvarsym(sym).vartype.def).symtable;
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sym:=tstoredsym(symt.search(ss));
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if sym=nil then
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sym:=tstoredsym(symt.search(upper(ss)));
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end;
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end;
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procsym :
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begin
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symt:=tprocsym(sym).first_procdef.parast;
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symb:=tstoredsym(symt.search(ss));
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if symb=nil then
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symb:=tstoredsym(symt.search(upper(ss)));
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if not assigned(symb) then
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begin
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symt:=tprocsym(sym).first_procdef.localst;
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sym:=tstoredsym(symt.search(ss));
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if symb=nil then
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symb:=tstoredsym(symt.search(upper(ss)));
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end
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else
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sym:=symb;
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end;
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end;
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end;
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if assigned(sym) then
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begin
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if assigned(sym.defref) then
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begin
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browserlog.AddLog('***'+sym.name+'***');
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browserlog.AddLogRefs(sym.defref);
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end;
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end
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else
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addlog('!!!Symbol '+ss+' not found !!!');
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make_ref:=true;
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end;
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procedure tbrowserlog.ident;
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begin
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inc(identidx,2);
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end;
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procedure tbrowserlog.unident;
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begin
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dec(identidx,2);
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end;
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procedure writesymtable(p:Tsymtable);forward;
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procedure writelocalsymtables(p:Tprocdef;arg:pointer);
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begin
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if assigned(p.defref) then
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begin
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browserlog.AddLog('***'+p.mangledname);
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browserlog.AddLogRefs(p.defref);
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if (current_module.flags and uf_local_browser)<>0 then
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begin
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if assigned(p.parast) then
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writesymtable(p.parast);
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if assigned(p.localst) then
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writesymtable(p.localst);
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end;
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end;
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end;
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procedure writesymtable(p:tsymtable);
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var
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hp : tstoredsym;
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prdef : pprocdeflist;
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begin
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if cs_browser in aktmoduleswitches then
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begin
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if assigned(p.name) then
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Browserlog.AddLog('---Symtable '+p.name^)
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else
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begin
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if (p.symtabletype=recordsymtable) and
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assigned(tdef(p.defowner).typesym) then
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Browserlog.AddLog('---Symtable '+tdef(p.defowner).typesym.name)
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else
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Browserlog.AddLog('---Symtable with no name');
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end;
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Browserlog.Ident;
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hp:=tstoredsym(p.symindex.first);
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while assigned(hp) do
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begin
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if assigned(hp.defref) then
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begin
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browserlog.AddLog('***'+hp.name+'***');
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browserlog.AddLogRefs(hp.defref);
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end;
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case hp.typ of
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typesym :
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begin
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if (ttypesym(hp).restype.def.deftype=recorddef) then
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writesymtable(trecorddef(ttypesym(hp).restype.def).symtable);
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if (ttypesym(hp).restype.def.deftype=objectdef) then
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writesymtable(tobjectdef(ttypesym(hp).restype.def).symtable);
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end;
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procsym :
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Tprocsym(hp).foreach_procdef_static({$IFDEF FPCPROCVAR}@{$ENDIF}writelocalsymtables,nil);
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end;
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hp:=tstoredsym(hp.indexnext);
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end;
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browserlog.Unident;
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end;
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end;
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{****************************************************************************
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Helpers
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****************************************************************************}
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procedure WriteBrowserLog;
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var
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p : tstoredsymtable;
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hp : tmodule;
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begin
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browserlog.CreateLog;
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browserlog.list_debug_infos;
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hp:=tmodule(loaded_units.first);
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while assigned(hp) do
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begin
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p:=tstoredsymtable(hp.globalsymtable);
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if assigned(p) then
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writesymtable(p);
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if cs_local_browser in aktmoduleswitches then
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begin
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p:=tstoredsymtable(hp.localsymtable);
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if assigned(p) then
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writesymtable(p);
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end;
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hp:=tmodule(hp.next);
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end;
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browserlog.CloseLog;
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end;
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procedure InitBrowserLog;
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begin
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browserlog.init;
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end;
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procedure DoneBrowserLog;
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begin
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browserlog.done;
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end;
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end.
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{
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$Log$
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Revision 1.15 2002-08-20 10:31:26 daniel
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* Tcallnode.det_resulttype rewritten
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Revision 1.14 2002/07/23 09:51:22 daniel
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* Tried to make Tprocsym.defs protected. I didn't succeed but the cleanups
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are worth comitting.
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Revision 1.13 2002/05/18 13:34:05 peter
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* readded missing revisions
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Revision 1.12 2002/05/16 19:46:35 carl
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+ defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand
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+ try to fix temp allocation (still in ifdef)
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+ generic constructor calls
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+ start of tassembler / tmodulebase class cleanup
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}
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