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https://gitlab.com/freepascal.org/fpc/source.git
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1433 lines
41 KiB
ObjectPascal
1433 lines
41 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1996-98 by Florian Klaempfl
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This unit implements an extended file management and the first loading
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and searching of the modules (ppufiles)
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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 files;
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{$ifdef TP}
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{$V+}
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{$endif}
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{$ifdef TP}
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{$define SHORTASMPREFIX}
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{$endif}
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{$ifdef go32v1}
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{$define SHORTASMPREFIX}
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{$endif}
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{$ifdef go32v2}
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{$define SHORTASMPREFIX}
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{$endif}
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{$ifdef OS2}
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{ Allthough OS/2 supports long filenames I play it safe and
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use 8.3 filenames, because this allows the compiler to run
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on a FAT partition. (DM) }
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{$define SHORTASMPREFIX}
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{$endif}
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interface
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uses
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globtype,
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cobjects,globals,ppu;
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const
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{$ifdef FPC}
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maxunits = 1024;
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InputFileBufSize=32*1024;
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linebufincrease=512;
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{$else}
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maxunits = 128;
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InputFileBufSize=1024;
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linebufincrease=64;
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{$endif}
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type
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trecompile_reason = (rr_unknown,rr_noppu,rr_sourcenewer,
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rr_build,rr_libolder,rr_objolder,rr_asmolder,rr_crcchanged);
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{$ifdef FPC}
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tlongintarr = array[0..1000000] of longint;
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{$else}
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tlongintarr = array[0..16000] of longint;
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{$endif}
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plongintarr = ^tlongintarr;
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pinputfile = ^tinputfile;
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tinputfile = object
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path,name : pstring; { path and filename }
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next : pinputfile; { next file for reading }
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f : file; { current file handle }
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is_macro,
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endoffile, { still bytes left to read }
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closed : boolean; { is the file closed }
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buf : pchar; { buffer }
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bufstart, { buffer start position in the file }
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bufsize, { amount of bytes in the buffer }
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maxbufsize : longint; { size in memory for the buffer }
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saveinputpointer : pchar; { save fields for scanner variables }
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savelastlinepos,
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saveline_no : longint;
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linebuf : plongintarr; { line buffer to retrieve lines }
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maxlinebuf : longint;
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ref_count : longint; { to handle the browser refs }
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ref_index : longint;
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ref_next : pinputfile;
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constructor init(const fn:string);
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destructor done;
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procedure setpos(l:longint);
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procedure seekbuf(fpos:longint);
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procedure readbuf;
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function open:boolean;
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procedure close;
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procedure tempclose;
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function tempopen:boolean;
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procedure setmacro(p:pchar;len:longint);
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procedure setline(line,linepos:longint);
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function getlinestr(l:longint):string;
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end;
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pfilemanager = ^tfilemanager;
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tfilemanager = object
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files : pinputfile;
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last_ref_index : longint;
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cacheindex : longint;
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cacheinputfile : pinputfile;
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constructor init;
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destructor done;
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procedure register_file(f : pinputfile);
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procedure inverse_register_indexes;
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function get_file(l:longint) : pinputfile;
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function get_file_name(l :longint):string;
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function get_file_path(l :longint):string;
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end;
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plinkcontaineritem=^tlinkcontaineritem;
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tlinkcontaineritem=object(tcontaineritem)
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data : pstring;
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needlink : longint;
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constructor init(const s:string;m:longint);
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destructor done;virtual;
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end;
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plinkcontainer=^tlinkcontainer;
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tlinkcontainer=object(tcontainer)
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constructor Init;
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procedure insert(const s : string;m:longint);
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function get(var m:longint) : string;
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function getusemask(mask:longint) : string;
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function find(const s:string):boolean;
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end;
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{$ifndef NEWMAP}
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tunitmap = array[0..maxunits-1] of pointer;
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punitmap = ^tunitmap;
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pmodule = ^tmodule;
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{$else NEWMAP}
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pmodule = ^tmodule;
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tunitmap = array[0..maxunits-1] of pmodule;
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punitmap = ^tunitmap;
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{$endif NEWMAP}
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tmodule = object(tlinkedlist_item)
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ppufile : pppufile; { the PPU file }
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crc,
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interface_crc,
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flags : longint; { the PPU flags }
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compiled, { unit is already compiled }
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do_reload, { force reloading of the unit }
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do_assemble, { only assemble the object, don't recompile }
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do_compile, { need to compile the sources }
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sources_avail, { if all sources are reachable }
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is_unit,
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in_compile, { is it being compiled ?? }
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in_second_compile, { is this unit being compiled for the 2nd time? }
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in_second_load, { is this unit PPU loaded a 2nd time? }
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in_implementation, { processing the implementation part? }
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in_global : boolean; { allow global settings }
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recompile_reason : trecompile_reason; { the reason why the unit should be recompiled }
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islibrary : boolean; { if it is a library (win32 dll) }
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map : punitmap; { mapping of all used units }
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unitcount : word; { local unit counter }
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unit_index : word; { global counter for browser }
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globalsymtable, { pointer to the local/static symtable of this unit }
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localsymtable : pointer; { pointer to the psymtable of this unit }
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scanner : pointer; { scanner object used }
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loaded_from : pmodule;
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uses_imports : boolean; { Set if the module imports from DLL's.}
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imports : plinkedlist;
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_exports : plinkedlist;
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sourcefiles : pfilemanager;
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resourcefiles : tstringcontainer;
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linkunitofiles,
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linkunitstaticlibs,
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linkunitsharedlibs,
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linkotherofiles, { objects,libs loaded from the source }
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linkothersharedlibs, { using $L or $LINKLIB or import lib (for linux) }
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linkotherstaticlibs : tlinkcontainer;
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used_units : tlinkedlist;
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dependent_units : tlinkedlist;
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localunitsearchpath, { local searchpaths }
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localobjectsearchpath,
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localincludesearchpath,
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locallibrarysearchpath : TSearchPathList;
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path, { path where the module is find/created }
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modulename, { name of the module in uppercase }
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objfilename, { fullname of the objectfile }
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asmfilename, { fullname of the assemblerfile }
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ppufilename, { fullname of the ppufile }
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staticlibfilename, { fullname of the static libraryfile }
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sharedlibfilename, { fullname of the shared libraryfile }
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exefilename, { fullname of the exefile }
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asmprefix, { prefix for the smartlink asmfiles }
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mainsource : pstring; { name of the main sourcefile }
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{$ifdef Test_Double_checksum}
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crc_array : pointer;
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crc_size : longint;
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crc_array2 : pointer;
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crc_size2 : longint;
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{$endif def Test_Double_checksum}
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constructor init(const s:string;_is_unit:boolean);
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destructor done;virtual;
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procedure reset;
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procedure setfilename(const fn:string;allowoutput:boolean);
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function openppu:boolean;
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function search_unit(const n : string;onlysource:boolean):boolean;
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end;
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pused_unit = ^tused_unit;
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tused_unit = object(tlinkedlist_item)
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unitid : word;
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name : pstring;
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checksum,
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interface_checksum : longint;
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loaded : boolean;
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in_uses,
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in_interface,
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is_stab_written : boolean;
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u : pmodule;
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constructor init(_u : pmodule;intface:boolean);
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constructor init_to_load(const n:string;c,intfc:longint;intface:boolean);
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destructor done;virtual;
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end;
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pdependent_unit = ^tdependent_unit;
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tdependent_unit = object(tlinkedlist_item)
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u : pmodule;
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constructor init(_u : pmodule);
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end;
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var
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main_module : pmodule; { Main module of the program }
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current_module : pmodule; { Current module which is compiled or loaded }
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compiled_module : pmodule; { Current module which is compiled }
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current_ppu : pppufile; { Current ppufile which is read }
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global_unit_count : word;
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usedunits : tlinkedlist; { Used units for this program }
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loaded_units : tlinkedlist; { All loaded units }
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function get_source_file(moduleindex,fileindex : word) : pinputfile;
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implementation
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uses
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{$ifdef Delphi}
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dmisc,
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{$else Delphi}
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dos,
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{$endif Delphi}
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verbose,systems,
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symtable,scanner;
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{****************************************************************************
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TINPUTFILE
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****************************************************************************}
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constructor tinputfile.init(const fn:string);
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var
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p:dirstr;
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n:namestr;
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e:extstr;
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begin
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FSplit(fn,p,n,e);
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name:=stringdup(n+e);
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path:=stringdup(p);
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next:=nil;
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{ file info }
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is_macro:=false;
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endoffile:=false;
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closed:=true;
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buf:=nil;
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bufstart:=0;
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bufsize:=0;
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maxbufsize:=InputFileBufSize;
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{ save fields }
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saveinputpointer:=nil;
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saveline_no:=0;
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savelastlinepos:=0;
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{ indexing refs }
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ref_next:=nil;
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ref_count:=0;
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ref_index:=0;
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{ line buffer }
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linebuf:=nil;
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maxlinebuf:=0;
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end;
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destructor tinputfile.done;
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begin
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if not closed then
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close;
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stringdispose(path);
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stringdispose(name);
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{ free memory }
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if assigned(linebuf) then
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freemem(linebuf,maxlinebuf shl 2);
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end;
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procedure tinputfile.setpos(l:longint);
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begin
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bufstart:=l;
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end;
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procedure tinputfile.seekbuf(fpos:longint);
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begin
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if closed then
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exit;
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seek(f,fpos);
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bufstart:=fpos;
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bufsize:=0;
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end;
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procedure tinputfile.readbuf;
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{$ifdef TP}
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var
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w : word;
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{$endif}
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begin
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if is_macro then
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endoffile:=true;
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if closed then
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exit;
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inc(bufstart,bufsize);
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{$ifdef VER70}
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blockread(f,buf^,maxbufsize-1,w);
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bufsize:=w;
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{$else}
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blockread(f,buf^,maxbufsize-1,bufsize);
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{$endif}
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buf[bufsize]:=#0;
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endoffile:=eof(f);
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end;
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function tinputfile.open:boolean;
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var
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ofm : byte;
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begin
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open:=false;
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if not closed then
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Close;
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ofm:=filemode;
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filemode:=0;
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Assign(f,path^+name^);
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{$I-}
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reset(f,1);
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{$I+}
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filemode:=ofm;
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if ioresult<>0 then
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exit;
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{ file }
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endoffile:=false;
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closed:=false;
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Getmem(buf,MaxBufsize);
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bufstart:=0;
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bufsize:=0;
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open:=true;
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end;
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procedure tinputfile.close;
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var
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i : word;
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begin
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if is_macro then
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begin
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if assigned(buf) then
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Freemem(buf,maxbufsize);
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buf:=nil;
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{is_macro:=false;
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still needed for dispose in scanner PM }
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closed:=true;
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exit;
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end;
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if not closed then
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begin
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{$I-}
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system.close(f);
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{$I+}
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i:=ioresult;
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closed:=true;
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end;
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if assigned(buf) then
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begin
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Freemem(buf,maxbufsize);
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buf:=nil;
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end;
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bufstart:=0;
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end;
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procedure tinputfile.tempclose;
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var
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i : word;
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begin
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if is_macro then
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exit;
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if not closed then
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begin
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{$I-}
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system.close(f);
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{$I+}
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i:=ioresult;
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Freemem(buf,maxbufsize);
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buf:=nil;
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closed:=true;
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end;
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end;
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function tinputfile.tempopen:boolean;
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var
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ofm : byte;
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begin
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tempopen:=false;
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if is_macro then
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begin
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{ seek buffer postion to bufstart }
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if bufstart>0 then
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begin
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move(buf[bufstart],buf[0],bufsize-bufstart+1);
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bufstart:=0;
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end;
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tempopen:=true;
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exit;
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end;
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if not closed then
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exit;
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ofm:=filemode;
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filemode:=0;
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Assign(f,path^+name^);
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{$I-}
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reset(f,1);
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{$I+}
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filemode:=ofm;
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if ioresult<>0 then
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exit;
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closed:=false;
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{ get new mem }
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Getmem(buf,maxbufsize);
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{ restore state }
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seek(f,BufStart);
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bufsize:=0;
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readbuf;
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tempopen:=true;
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end;
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procedure tinputfile.setmacro(p:pchar;len:longint);
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begin
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{ create new buffer }
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getmem(buf,len+1);
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move(p^,buf^,len);
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buf[len]:=#0;
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{ reset }
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bufstart:=0;
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bufsize:=len;
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maxbufsize:=len+1;
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is_macro:=true;
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endoffile:=true;
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closed:=true;
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end;
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procedure tinputfile.setline(line,linepos:longint);
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var
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oldlinebuf : plongintarr;
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begin
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if line<1 then
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exit;
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while (line>=maxlinebuf) do
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begin
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oldlinebuf:=linebuf;
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{ create new linebuf and move old info }
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getmem(linebuf,(maxlinebuf+linebufincrease) shl 2);
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if assigned(oldlinebuf) then
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begin
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move(oldlinebuf^,linebuf^,maxlinebuf shl 2);
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freemem(oldlinebuf,maxlinebuf shl 2);
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end;
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fillchar(linebuf^[maxlinebuf],linebufincrease shl 2,0);
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inc(maxlinebuf,linebufincrease);
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end;
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linebuf^[line]:=linepos;
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end;
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function tinputfile.getlinestr(l:longint):string;
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var
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c : char;
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i,
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fpos : longint;
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p : pchar;
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begin
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getlinestr:='';
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if l<maxlinebuf then
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begin
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fpos:=linebuf^[l];
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{ fpos is set negativ if the line was already written }
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{ but we still know the correct value }
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if fpos<0 then
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fpos:=-fpos+1;
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if closed then
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open;
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{ in current buf ? }
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if (fpos<bufstart) or (fpos>bufstart+bufsize) then
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begin
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seekbuf(fpos);
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readbuf;
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end;
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{ the begin is in the buf now simply read until #13,#10 }
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i:=0;
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p:=@buf[fpos-bufstart];
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repeat
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c:=p^;
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if c=#0 then
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begin
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if endoffile then
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break;
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readbuf;
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p:=buf;
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c:=p^;
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end;
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if c in [#10,#13] then
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break;
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inc(i);
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getlinestr[i]:=c;
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inc(longint(p));
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until (i=255);
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{$ifndef TP}
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{$ifopt H+}
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setlength(getlinestr,i);
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{$else}
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getlinestr[0]:=chr(i);
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{$endif}
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{$else}
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getlinestr[0]:=chr(i);
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{$endif}
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end;
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end;
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|
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{****************************************************************************
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TFILEMANAGER
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****************************************************************************}
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|
|
constructor tfilemanager.init;
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|
begin
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files:=nil;
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last_ref_index:=0;
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cacheindex:=0;
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cacheinputfile:=nil;
|
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end;
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|
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|
destructor tfilemanager.done;
|
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var
|
|
hp : pinputfile;
|
|
begin
|
|
hp:=files;
|
|
while assigned(hp) do
|
|
begin
|
|
files:=files^.ref_next;
|
|
dispose(hp,done);
|
|
hp:=files;
|
|
end;
|
|
last_ref_index:=0;
|
|
end;
|
|
|
|
|
|
procedure tfilemanager.register_file(f : pinputfile);
|
|
begin
|
|
{ don't register macro's }
|
|
if f^.is_macro then
|
|
exit;
|
|
inc(last_ref_index);
|
|
f^.ref_next:=files;
|
|
f^.ref_index:=last_ref_index;
|
|
files:=f;
|
|
{ update cache }
|
|
cacheindex:=last_ref_index;
|
|
cacheinputfile:=f;
|
|
{$ifdef FPC}
|
|
{$ifdef heaptrc}
|
|
writeln(stderr,f^.name^,' index ',current_module^.unit_index*100000+f^.ref_index);
|
|
{$endif heaptrc}
|
|
{$endif FPC}
|
|
end;
|
|
|
|
|
|
{ this procedure is necessary after loading the
|
|
sources files from a PPU file PM }
|
|
procedure tfilemanager.inverse_register_indexes;
|
|
var
|
|
f : pinputfile;
|
|
begin
|
|
f:=files;
|
|
while assigned(f) do
|
|
begin
|
|
f^.ref_index:=last_ref_index-f^.ref_index+1;
|
|
f:=f^.ref_next;
|
|
end;
|
|
{ reset cache }
|
|
cacheindex:=0;
|
|
cacheinputfile:=nil;
|
|
end;
|
|
|
|
|
|
|
|
function tfilemanager.get_file(l :longint) : pinputfile;
|
|
var
|
|
ff : pinputfile;
|
|
begin
|
|
{ check cache }
|
|
if (l=cacheindex) and assigned(cacheinputfile) then
|
|
begin
|
|
get_file:=cacheinputfile;
|
|
exit;
|
|
end;
|
|
ff:=files;
|
|
while assigned(ff) and (ff^.ref_index<>l) do
|
|
ff:=ff^.ref_next;
|
|
get_file:=ff;
|
|
end;
|
|
|
|
|
|
function tfilemanager.get_file_name(l :longint):string;
|
|
var
|
|
hp : pinputfile;
|
|
begin
|
|
hp:=get_file(l);
|
|
if assigned(hp) then
|
|
get_file_name:=hp^.name^
|
|
else
|
|
get_file_name:='';
|
|
end;
|
|
|
|
|
|
function tfilemanager.get_file_path(l :longint):string;
|
|
var
|
|
hp : pinputfile;
|
|
begin
|
|
hp:=get_file(l);
|
|
if assigned(hp) then
|
|
get_file_path:=hp^.path^
|
|
else
|
|
get_file_path:='';
|
|
end;
|
|
|
|
|
|
function get_source_file(moduleindex,fileindex : word) : pinputfile;
|
|
var
|
|
hp : pmodule;
|
|
f : pinputfile;
|
|
begin
|
|
hp:=pmodule(loaded_units.first);
|
|
while assigned(hp) and (hp^.unit_index<>moduleindex) do
|
|
hp:=pmodule(hp^.next);
|
|
get_source_file:=nil;
|
|
if not assigned(hp) then
|
|
exit;
|
|
f:=pinputfile(hp^.sourcefiles^.files);
|
|
while assigned(f) do
|
|
begin
|
|
if f^.ref_index=fileindex then
|
|
begin
|
|
get_source_file:=f;
|
|
exit;
|
|
end;
|
|
f:=pinputfile(f^.ref_next);
|
|
end;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TLinkContainerItem
|
|
****************************************************************************}
|
|
|
|
constructor TLinkContainerItem.Init(const s:string;m:longint);
|
|
begin
|
|
inherited Init;
|
|
data:=stringdup(s);
|
|
needlink:=m;
|
|
end;
|
|
|
|
|
|
destructor TLinkContainerItem.Done;
|
|
begin
|
|
stringdispose(data);
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TLinkContainer
|
|
****************************************************************************}
|
|
|
|
constructor TLinkContainer.Init;
|
|
begin
|
|
inherited init;
|
|
end;
|
|
|
|
|
|
procedure TLinkContainer.insert(const s : string;m:longint);
|
|
var
|
|
newnode : plinkcontaineritem;
|
|
begin
|
|
{if find(s) then
|
|
exit; }
|
|
new(newnode,init(s,m));
|
|
inherited insert(newnode);
|
|
end;
|
|
|
|
|
|
function TLinkContainer.get(var m:longint) : string;
|
|
var
|
|
p : plinkcontaineritem;
|
|
begin
|
|
p:=plinkcontaineritem(inherited get);
|
|
if p=nil then
|
|
begin
|
|
get:='';
|
|
m:=0;
|
|
exit;
|
|
end;
|
|
get:=p^.data^;
|
|
m:=p^.needlink;
|
|
dispose(p,done);
|
|
end;
|
|
|
|
|
|
function TLinkContainer.getusemask(mask:longint) : string;
|
|
var
|
|
p : plinkcontaineritem;
|
|
found : boolean;
|
|
begin
|
|
found:=false;
|
|
repeat
|
|
p:=plinkcontaineritem(inherited get);
|
|
if p=nil then
|
|
begin
|
|
getusemask:='';
|
|
exit;
|
|
end;
|
|
getusemask:=p^.data^;
|
|
found:=(p^.needlink and mask)<>0;
|
|
dispose(p,done);
|
|
until found;
|
|
end;
|
|
|
|
|
|
function TLinkContainer.find(const s:string):boolean;
|
|
var
|
|
newnode : plinkcontaineritem;
|
|
begin
|
|
find:=false;
|
|
newnode:=plinkcontaineritem(root);
|
|
while assigned(newnode) do
|
|
begin
|
|
if newnode^.data^=s then
|
|
begin
|
|
find:=true;
|
|
exit;
|
|
end;
|
|
newnode:=plinkcontaineritem(newnode^.next);
|
|
end;
|
|
end;
|
|
|
|
|
|
|
|
{****************************************************************************
|
|
TMODULE
|
|
****************************************************************************}
|
|
|
|
procedure tmodule.setfilename(const fn:string;allowoutput:boolean);
|
|
var
|
|
p : dirstr;
|
|
n : NameStr;
|
|
e : ExtStr;
|
|
begin
|
|
stringdispose(objfilename);
|
|
stringdispose(asmfilename);
|
|
stringdispose(ppufilename);
|
|
stringdispose(staticlibfilename);
|
|
stringdispose(sharedlibfilename);
|
|
stringdispose(exefilename);
|
|
stringdispose(path);
|
|
{ Create names }
|
|
fsplit(fn,p,n,e);
|
|
n:=FixFileName(n);
|
|
{ set path }
|
|
path:=stringdup(FixPath(p,false));
|
|
{ obj,asm,ppu names }
|
|
p:=path^;
|
|
if AllowOutput then
|
|
begin
|
|
if (OutputUnitDir<>'') then
|
|
p:=OutputUnitDir
|
|
else
|
|
if (OutputExeDir<>'') then
|
|
p:=OutputExeDir;
|
|
end;
|
|
objfilename:=stringdup(p+n+target_info.objext);
|
|
asmfilename:=stringdup(p+n+target_info.asmext);
|
|
ppufilename:=stringdup(p+n+target_info.unitext);
|
|
{ lib and exe could be loaded with a file specified with -o }
|
|
if AllowOutput and (OutputFile<>'') then
|
|
n:=OutputFile;
|
|
staticlibfilename:=stringdup(p+target_os.libprefix+n+target_os.staticlibext);
|
|
if target_info.target=target_i386_WIN32 then
|
|
sharedlibfilename:=stringdup(p+n+target_os.sharedlibext)
|
|
else
|
|
sharedlibfilename:=stringdup(p+target_os.libprefix+n+target_os.sharedlibext);
|
|
{ output dir of exe can be specified separatly }
|
|
if AllowOutput and (OutputExeDir<>'') then
|
|
p:=OutputExeDir
|
|
else
|
|
p:=path^;
|
|
exefilename:=stringdup(p+n+target_info.exeext);
|
|
end;
|
|
|
|
|
|
function tmodule.openppu:boolean;
|
|
var
|
|
objfiletime,
|
|
ppufiletime,
|
|
asmfiletime : longint;
|
|
begin
|
|
openppu:=false;
|
|
Message1(unit_t_ppu_loading,ppufilename^);
|
|
{ Get ppufile time (also check if the file exists) }
|
|
ppufiletime:=getnamedfiletime(ppufilename^);
|
|
if ppufiletime=-1 then
|
|
exit;
|
|
{ Open the ppufile }
|
|
Message1(unit_u_ppu_name,ppufilename^);
|
|
ppufile:=new(pppufile,init(ppufilename^));
|
|
ppufile^.change_endian:=source_os.endian<>target_os.endian;
|
|
if not ppufile^.open then
|
|
begin
|
|
dispose(ppufile,done);
|
|
Message(unit_u_ppu_file_too_short);
|
|
exit;
|
|
end;
|
|
{ check for a valid PPU file }
|
|
if not ppufile^.CheckPPUId then
|
|
begin
|
|
dispose(ppufile,done);
|
|
Message(unit_u_ppu_invalid_header);
|
|
exit;
|
|
end;
|
|
{ check for allowed PPU versions }
|
|
if not (ppufile^.GetPPUVersion = CurrentPPUVersion) then
|
|
begin
|
|
dispose(ppufile,done);
|
|
Message1(unit_u_ppu_invalid_version,tostr(ppufile^.GetPPUVersion));
|
|
exit;
|
|
end;
|
|
{ check the target processor }
|
|
if ttargetcpu(ppufile^.header.cpu)<>target_cpu then
|
|
begin
|
|
dispose(ppufile,done);
|
|
Message(unit_u_ppu_invalid_processor);
|
|
exit;
|
|
end;
|
|
{ check target }
|
|
if ttarget(ppufile^.header.target)<>target_info.target then
|
|
begin
|
|
dispose(ppufile,done);
|
|
Message(unit_u_ppu_invalid_target);
|
|
exit;
|
|
end;
|
|
{ Load values to be access easier }
|
|
flags:=ppufile^.header.flags;
|
|
crc:=ppufile^.header.checksum;
|
|
interface_crc:=ppufile^.header.interface_checksum;
|
|
{ Show Debug info }
|
|
Message1(unit_u_ppu_time,filetimestring(ppufiletime));
|
|
Message1(unit_u_ppu_flags,tostr(flags));
|
|
Message1(unit_u_ppu_crc,tostr(ppufile^.header.checksum));
|
|
Message1(unit_u_ppu_crc,tostr(ppufile^.header.interface_checksum)+' (intfc)');
|
|
{ check the object and assembler file to see if we need only to
|
|
assemble, only if it's not in a library }
|
|
do_compile:=false;
|
|
if (flags and uf_in_library)=0 then
|
|
begin
|
|
if (flags and uf_smart_linked)<>0 then
|
|
begin
|
|
objfiletime:=getnamedfiletime(staticlibfilename^);
|
|
Message2(unit_u_check_time,staticlibfilename^,filetimestring(objfiletime));
|
|
if (ppufiletime<0) or (objfiletime<0) or (ppufiletime>objfiletime) then
|
|
begin
|
|
recompile_reason:=rr_libolder;
|
|
Message(unit_u_recompile_staticlib_is_older);
|
|
do_compile:=true;
|
|
exit;
|
|
end;
|
|
end;
|
|
if (flags and uf_static_linked)<>0 then
|
|
begin
|
|
{ the objectfile should be newer than the ppu file }
|
|
objfiletime:=getnamedfiletime(objfilename^);
|
|
Message2(unit_u_check_time,objfilename^,filetimestring(objfiletime));
|
|
if (ppufiletime<0) or (objfiletime<0) or (ppufiletime>objfiletime) then
|
|
begin
|
|
{ check if assembler file is older than ppu file }
|
|
asmfileTime:=GetNamedFileTime(asmfilename^);
|
|
Message2(unit_u_check_time,asmfilename^,filetimestring(asmfiletime));
|
|
if (asmfiletime<0) or (ppufiletime>asmfiletime) then
|
|
begin
|
|
Message(unit_u_recompile_obj_and_asm_older);
|
|
recompile_reason:=rr_objolder;
|
|
do_compile:=true;
|
|
exit;
|
|
end
|
|
else
|
|
begin
|
|
Message(unit_u_recompile_obj_older_than_asm);
|
|
if not(cs_asm_extern in aktglobalswitches) then
|
|
begin
|
|
do_compile:=true;
|
|
recompile_reason:=rr_asmolder;
|
|
exit;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
openppu:=true;
|
|
end;
|
|
|
|
|
|
function tmodule.search_unit(const n : string;onlysource:boolean):boolean;
|
|
var
|
|
singlepathstring,
|
|
filename : string;
|
|
|
|
Function UnitExists(const ext:string):boolean;
|
|
begin
|
|
Message1(unit_t_unitsearch,Singlepathstring+filename+ext);
|
|
UnitExists:=FileExists(Singlepathstring+FileName+ext);
|
|
end;
|
|
|
|
Function SearchPath(const s:string):boolean;
|
|
var
|
|
found : boolean;
|
|
ext : string[8];
|
|
begin
|
|
Found:=false;
|
|
singlepathstring:=FixPath(s,false);
|
|
if not onlysource then
|
|
begin
|
|
{ Check for PPL file }
|
|
if not Found then
|
|
begin
|
|
Found:=UnitExists(target_info.unitlibext);
|
|
if Found then
|
|
Begin
|
|
SetFileName(SinglePathString+FileName,false);
|
|
Found:=OpenPPU;
|
|
End;
|
|
end;
|
|
{ Check for PPU file }
|
|
if not Found then
|
|
begin
|
|
Found:=UnitExists(target_info.unitext);
|
|
if Found then
|
|
Begin
|
|
SetFileName(SinglePathString+FileName,false);
|
|
Found:=OpenPPU;
|
|
End;
|
|
end;
|
|
end;
|
|
{ Check for Sources }
|
|
if not Found then
|
|
begin
|
|
ppufile:=nil;
|
|
do_compile:=true;
|
|
recompile_reason:=rr_noppu;
|
|
{Check for .pp file}
|
|
Found:=UnitExists(target_os.sourceext);
|
|
if Found then
|
|
Ext:=target_os.sourceext
|
|
else
|
|
begin
|
|
{Check for .pas}
|
|
Found:=UnitExists(target_os.pasext);
|
|
if Found then
|
|
Ext:=target_os.pasext;
|
|
end;
|
|
stringdispose(mainsource);
|
|
if Found then
|
|
begin
|
|
sources_avail:=true;
|
|
{Load Filenames when found}
|
|
mainsource:=StringDup(SinglePathString+FileName+Ext);
|
|
SetFileName(SinglePathString+FileName,false);
|
|
end
|
|
else
|
|
sources_avail:=false;
|
|
end;
|
|
SearchPath:=Found;
|
|
end;
|
|
|
|
Function SearchPathList(list:TSearchPathList):boolean;
|
|
var
|
|
hp : PStringQueueItem;
|
|
found : boolean;
|
|
begin
|
|
found:=false;
|
|
hp:=list.First;
|
|
while assigned(hp) do
|
|
begin
|
|
found:=SearchPath(hp^.data^);
|
|
if found then
|
|
break;
|
|
hp:=hp^.next;
|
|
end;
|
|
SearchPathList:=found;
|
|
end;
|
|
|
|
var
|
|
fnd : boolean;
|
|
begin
|
|
filename:=FixFileName(n);
|
|
{ try to find unit
|
|
1. cwd
|
|
2. local unit path
|
|
3. global unit path }
|
|
fnd:=SearchPath('.');
|
|
if (not fnd) then
|
|
fnd:=SearchPathList(current_module^.LocalUnitSearchPath);
|
|
if (not fnd) then
|
|
fnd:=SearchPathList(UnitSearchPath);
|
|
|
|
{ try to find a file with the first 8 chars of the modulename, like
|
|
dos }
|
|
if (not fnd) and (length(filename)>8) then
|
|
begin
|
|
filename:=copy(filename,1,8);
|
|
fnd:=SearchPath('.');
|
|
if (not fnd) then
|
|
fnd:=SearchPathList(current_module^.LocalUnitSearchPath);
|
|
if not fnd then
|
|
fnd:=SearchPathList(UnitSearchPath);
|
|
end;
|
|
search_unit:=fnd;
|
|
end;
|
|
|
|
|
|
|
|
procedure tmodule.reset;
|
|
var
|
|
pm : pdependent_unit;
|
|
begin
|
|
if assigned(scanner) then
|
|
pscannerfile(scanner)^.invalid:=true;
|
|
if assigned(globalsymtable) then
|
|
begin
|
|
dispose(punitsymtable(globalsymtable),done);
|
|
globalsymtable:=nil;
|
|
end;
|
|
if assigned(localsymtable) then
|
|
begin
|
|
dispose(punitsymtable(localsymtable),done);
|
|
localsymtable:=nil;
|
|
end;
|
|
if assigned(map) then
|
|
begin
|
|
dispose(map);
|
|
map:=nil;
|
|
end;
|
|
if assigned(ppufile) then
|
|
begin
|
|
dispose(ppufile,done);
|
|
ppufile:=nil;
|
|
end;
|
|
sourcefiles^.done;
|
|
sourcefiles^.init;
|
|
imports^.done;
|
|
imports^.init;
|
|
_exports^.done;
|
|
_exports^.init;
|
|
used_units.done;
|
|
used_units.init;
|
|
{ all units that depend on this one must be recompiled ! }
|
|
pm:=pdependent_unit(dependent_units.first);
|
|
while assigned(pm) do
|
|
begin
|
|
if pm^.u^.in_second_compile then
|
|
Comment(v_debug,'No reload already in second compile: '+pm^.u^.modulename^)
|
|
else
|
|
begin
|
|
pm^.u^.do_reload:=true;
|
|
Comment(v_debug,'Reloading '+pm^.u^.modulename^+' needed because '+modulename^+' is reloaded');
|
|
end;
|
|
pm:=pdependent_unit(pm^.next);
|
|
end;
|
|
dependent_units.done;
|
|
dependent_units.init;
|
|
resourcefiles.done;
|
|
resourcefiles.init;
|
|
linkunitofiles.done;
|
|
linkunitofiles.init;
|
|
linkunitstaticlibs.done;
|
|
linkunitstaticlibs.init;
|
|
linkunitsharedlibs.done;
|
|
linkunitsharedlibs.init;
|
|
linkotherofiles.done;
|
|
linkotherofiles.init;
|
|
linkotherstaticlibs.done;
|
|
linkotherstaticlibs.init;
|
|
linkothersharedlibs.done;
|
|
linkothersharedlibs.init;
|
|
uses_imports:=false;
|
|
do_assemble:=false;
|
|
do_compile:=false;
|
|
{ sources_avail:=true;
|
|
should not be changed PM }
|
|
compiled:=false;
|
|
in_implementation:=false;
|
|
in_global:=true;
|
|
{loaded_from:=nil;
|
|
should not be changed PFV }
|
|
flags:=0;
|
|
crc:=0;
|
|
interface_crc:=0;
|
|
unitcount:=1;
|
|
recompile_reason:=rr_unknown;
|
|
end;
|
|
|
|
|
|
constructor tmodule.init(const s:string;_is_unit:boolean);
|
|
var
|
|
p : dirstr;
|
|
n : namestr;
|
|
e : extstr;
|
|
begin
|
|
FSplit(s,p,n,e);
|
|
{ Programs have the name program to don't conflict with dup id's }
|
|
if _is_unit then
|
|
{$ifdef UNITALIASES}
|
|
modulename:=stringdup(GetUnitAlias(Upper(n)))
|
|
{$else}
|
|
modulename:=stringdup(Upper(n))
|
|
{$endif}
|
|
else
|
|
modulename:=stringdup('PROGRAM');
|
|
mainsource:=stringdup(s);
|
|
ppufilename:=nil;
|
|
objfilename:=nil;
|
|
asmfilename:=nil;
|
|
staticlibfilename:=nil;
|
|
sharedlibfilename:=nil;
|
|
exefilename:=nil;
|
|
{ Dos has the famous 8.3 limit :( }
|
|
{$ifdef SHORTASMPREFIX}
|
|
asmprefix:=stringdup(FixFileName('as'));
|
|
{$else}
|
|
asmprefix:=stringdup(FixFileName(n));
|
|
{$endif}
|
|
path:=nil;
|
|
setfilename(p+n,true);
|
|
localunitsearchpath.init;
|
|
localobjectsearchpath.init;
|
|
localincludesearchpath.init;
|
|
locallibrarysearchpath.init;
|
|
used_units.init;
|
|
dependent_units.init;
|
|
new(sourcefiles,init);
|
|
resourcefiles.init;
|
|
linkunitofiles.init;
|
|
linkunitstaticlibs.init;
|
|
linkunitsharedlibs.init;
|
|
linkotherofiles.init;
|
|
linkotherstaticlibs.init;
|
|
linkothersharedlibs.init;
|
|
ppufile:=nil;
|
|
scanner:=nil;
|
|
map:=nil;
|
|
globalsymtable:=nil;
|
|
localsymtable:=nil;
|
|
loaded_from:=nil;
|
|
flags:=0;
|
|
crc:=0;
|
|
interface_crc:=0;
|
|
do_reload:=false;
|
|
unitcount:=1;
|
|
inc(global_unit_count);
|
|
unit_index:=global_unit_count;
|
|
do_assemble:=false;
|
|
do_compile:=false;
|
|
sources_avail:=true;
|
|
compiled:=false;
|
|
recompile_reason:=rr_unknown;
|
|
in_second_load:=false;
|
|
in_compile:=false;
|
|
in_second_compile:=false;
|
|
in_implementation:=false;
|
|
in_global:=true;
|
|
is_unit:=_is_unit;
|
|
islibrary:=false;
|
|
uses_imports:=false;
|
|
imports:=new(plinkedlist,init);
|
|
_exports:=new(plinkedlist,init);
|
|
{ search the PPU file if it is an unit }
|
|
if is_unit then
|
|
search_unit(modulename^,false);
|
|
end;
|
|
|
|
|
|
destructor tmodule.done;
|
|
{$ifdef MEMDEBUG}
|
|
var
|
|
d : tmemdebug;
|
|
{$endif}
|
|
begin
|
|
if assigned(map) then
|
|
dispose(map);
|
|
if assigned(ppufile) then
|
|
dispose(ppufile,done);
|
|
ppufile:=nil;
|
|
if assigned(imports) then
|
|
dispose(imports,done);
|
|
imports:=nil;
|
|
if assigned(_exports) then
|
|
dispose(_exports,done);
|
|
_exports:=nil;
|
|
if assigned(scanner) then
|
|
pscannerfile(scanner)^.invalid:=true;
|
|
if assigned(sourcefiles) then
|
|
dispose(sourcefiles,done);
|
|
sourcefiles:=nil;
|
|
used_units.done;
|
|
dependent_units.done;
|
|
resourcefiles.done;
|
|
linkunitofiles.done;
|
|
linkunitstaticlibs.done;
|
|
linkunitsharedlibs.done;
|
|
linkotherofiles.done;
|
|
linkotherstaticlibs.done;
|
|
linkothersharedlibs.done;
|
|
stringdispose(objfilename);
|
|
stringdispose(asmfilename);
|
|
stringdispose(ppufilename);
|
|
stringdispose(staticlibfilename);
|
|
stringdispose(sharedlibfilename);
|
|
stringdispose(exefilename);
|
|
stringdispose(path);
|
|
stringdispose(modulename);
|
|
stringdispose(mainsource);
|
|
stringdispose(asmprefix);
|
|
localunitsearchpath.done;
|
|
localobjectsearchpath.done;
|
|
localincludesearchpath.done;
|
|
locallibrarysearchpath.done;
|
|
{$ifdef MEMDEBUG}
|
|
d.init('symtable');
|
|
{$endif}
|
|
if assigned(globalsymtable) then
|
|
dispose(punitsymtable(globalsymtable),done);
|
|
globalsymtable:=nil;
|
|
if assigned(localsymtable) then
|
|
dispose(punitsymtable(localsymtable),done);
|
|
localsymtable:=nil;
|
|
{$ifdef MEMDEBUG}
|
|
d.done;
|
|
{$endif}
|
|
inherited done;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TUSED_UNIT
|
|
****************************************************************************}
|
|
|
|
constructor tused_unit.init(_u : pmodule;intface:boolean);
|
|
begin
|
|
u:=_u;
|
|
in_interface:=intface;
|
|
in_uses:=false;
|
|
is_stab_written:=false;
|
|
loaded:=true;
|
|
name:=stringdup(_u^.modulename^);
|
|
checksum:=_u^.crc;
|
|
interface_checksum:=_u^.interface_crc;
|
|
unitid:=0;
|
|
end;
|
|
|
|
|
|
constructor tused_unit.init_to_load(const n:string;c,intfc:longint;intface:boolean);
|
|
begin
|
|
u:=nil;
|
|
in_interface:=intface;
|
|
in_uses:=false;
|
|
is_stab_written:=false;
|
|
loaded:=false;
|
|
name:=stringdup(n);
|
|
checksum:=c;
|
|
interface_checksum:=intfc;
|
|
unitid:=0;
|
|
end;
|
|
|
|
|
|
destructor tused_unit.done;
|
|
begin
|
|
stringdispose(name);
|
|
inherited done;
|
|
end;
|
|
|
|
|
|
{****************************************************************************
|
|
TDENPENDENT_UNIT
|
|
****************************************************************************}
|
|
|
|
constructor tdependent_unit.init(_u : pmodule);
|
|
begin
|
|
u:=_u;
|
|
end;
|
|
|
|
end.
|
|
{
|
|
$Log$
|
|
Revision 1.111 1999-12-08 01:01:11 peter
|
|
* fixed circular unit reference checking. loaded_from was reset after
|
|
reseting a unit, so no loaded_from info was available anymore.
|
|
|
|
Revision 1.110 1999/11/16 23:39:04 peter
|
|
* use outputexedir for link.res location
|
|
|
|
Revision 1.109 1999/11/12 11:03:50 peter
|
|
* searchpaths changed to stringqueue object
|
|
|
|
Revision 1.108 1999/11/06 14:34:20 peter
|
|
* truncated log to 20 revs
|
|
|
|
Revision 1.107 1999/11/04 23:13:25 peter
|
|
* moved unit alias support into ifdef
|
|
|
|
Revision 1.106 1999/11/04 10:54:02 peter
|
|
+ -Ua<oldname>=<newname> unit alias support
|
|
|
|
Revision 1.105 1999/10/28 13:14:00 pierre
|
|
* allow doubles in TLinkContainer needed for double libraries
|
|
|
|
Revision 1.104 1999/09/27 23:40:12 peter
|
|
* fixed macro within macro endless-loop
|
|
|
|
Revision 1.103 1999/09/16 08:00:50 pierre
|
|
+ compiled_module to avoid wrong file info when load PPU files
|
|
|
|
Revision 1.102 1999/08/31 15:51:10 pierre
|
|
* in_second_compile cleaned up, in_compile and in_second_load added
|
|
|
|
Revision 1.101 1999/08/27 10:43:20 pierre
|
|
+ interface CRC check with ifdef Test_double_checksum added
|
|
|
|
Revision 1.100 1999/08/24 13:14:01 peter
|
|
* MEMDEBUG to see the sizes of asmlist,asmsymbols,symtables
|
|
|
|
Revision 1.99 1999/07/18 14:47:26 florian
|
|
* bug 487 fixed, (inc(<property>) isn't allowed)
|
|
* more fixes to compile with Delphi
|
|
|
|
Revision 1.98 1999/07/18 10:19:51 florian
|
|
* made it compilable with Dlephi 4 again
|
|
+ fixed problem with large stack allocations on win32
|
|
|
|
Revision 1.97 1999/07/14 21:19:03 florian
|
|
+ implemented a better error message if a PPU file isn't found as suggested
|
|
by Lee John
|
|
|
|
Revision 1.96 1999/07/03 00:29:47 peter
|
|
* new link writing to the ppu, one .ppu is needed for all link types,
|
|
static (.o) is now always created also when smartlinking is used
|
|
|
|
Revision 1.95 1999/05/13 21:59:25 peter
|
|
* removed oldppu code
|
|
* warning if objpas is loaded from uses
|
|
* first things for new deref writing
|
|
|
|
Revision 1.94 1999/05/04 21:44:42 florian
|
|
* changes to compile it with Delphi 4.0
|
|
|
|
Revision 1.93 1999/04/26 13:31:29 peter
|
|
* release storenumber,double_checksum
|
|
|
|
Revision 1.92 1999/04/25 15:08:36 peter
|
|
* small fixes for double_checksum
|
|
|
|
Revision 1.91 1999/04/21 09:43:36 peter
|
|
* storenumber works
|
|
* fixed some typos in double_checksum
|
|
+ incompatible types type1 and type2 message (with storenumber)
|
|
|
|
Revision 1.90 1999/04/14 09:14:48 peter
|
|
* first things to store the symbol/def number in the ppu
|
|
|
|
Revision 1.89 1999/04/07 15:39:29 pierre
|
|
+ double_checksum code added
|
|
|
|
Revision 1.88 1999/03/25 16:55:29 peter
|
|
+ unitpath,librarypath,includepath,objectpath directives
|
|
|
|
}
|