Diff for /gforth/etags.fs between versions 1.2 and 1.21

version 1.2, 1995/09/06 21:00:14 version 1.21, 2012/12/31 15:25:18
Line 1 Line 1
 \ Etags support for GNU Forth.  \ Etags support for GNU Forth.
   
   \ Copyright (C) 1995,1998,2001,2003,2007,2008,2012 Free Software Foundation, Inc.
   
   \ This file is part of Gforth.
   
   \ Gforth is free software; you can redistribute it and/or
   \ modify it under the terms of the GNU General Public License
   \ as published by the Free Software Foundation, either version 3
   \ of the License, or (at your option) any later version.
   
   \ This program is distributed in the hope that it will be useful,
   \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   \ GNU General Public License for more details.
   
   \ You should have received a copy of the GNU General Public License
   \ along with this program. If not, see http://www.gnu.org/licenses/.
   
   
 \ This does not work like etags; instead, the TAGS file is updated  \ This does not work like etags; instead, the TAGS file is updated
 \ during the normal Forth interpretation/compilation process.  \ during the normal Forth interpretation/compilation process.
   
Line 14 Line 32
 \ (e.g. via shared memory)  \ (e.g. via shared memory)
   
 \ This is ANS Forth with the following serious environmental  \ This is ANS Forth with the following serious environmental
 \ dependences: the variable LAST must contain a pointer to the last  \ dependences: the word LATEST must return a pointer to the last
 \ header, NAME>STRING must convert that pointer to a string, and  \ header, NAME>STRING must convert that pointer to a string, and
 \ HEADER must be a deferred word that is called to create the name.  \ HEADER must be a deferred word that is called to create the name.
   
   \ Changes by David: Removed the blanks before and after the explicit
   \ tag name, since that conflicts with Emacs' auto-completition. In
   \ fact those blanks are not necessary, since search is performed on
   \ the tag-text, rather than the tag name.
   
   require search.fs
   require environ.fs
   require extend.fs
   
 : tags-file-name ( -- c-addr u )  : tags-file-name ( -- c-addr u )
     \ for now I use just TAGS; this may become more flexible in the      \ for now I use just TAGS; this may become more flexible in the
     \ future      \ future
Line 45  create tags-line 128 chars allot Line 72  create tags-line 128 chars allot
     endif      endif
     tags-file @ ;      tags-file @ ;
   
 create emit-file-char 0 c,  
   
 : emit-file ( c file-id -- )  
     swap emit-file-char c!  
     emit-file-char 1 chars rot write-file ;  
   
 2variable last-loadfilename 0 0 last-loadfilename 2!  2variable last-loadfilename 0 0 last-loadfilename 2!
   
 : put-load-file-name ( file-id -- )  : put-load-file-name ( file-id -- )
     >r      >r
     loadfilename 2@ last-loadfilename 2@ d<>      sourcefilename last-loadfilename 2@ d<>
     if      if
         #ff r@ emit-file throw          #ff r@ emit-file throw
         #lf r@ emit-file throw          #lf r@ emit-file throw
         loadfilename 2@ 2dup          sourcefilename 2dup
         r@ write-file throw          r@ write-file throw
         last-loadfilename 2!          last-loadfilename 2!
         s" ,0" r@ write-line throw          s" ,0" r@ write-line throw
     endif      endif
     rdrop ;      rdrop ;
   
 : put-tags-entry ( -- )  : put-tags-string ( c-addr u -- )
     \ write the entry for the last name to the TAGS file      2>r source-id dup 0<> swap -1 <> and        \ input from a file
     \ if the input is from a file and it is not a local name      current @ locals-list <> and        \ not a local name
     source-id dup 0<> swap -1 <> and    \ input from a file  
     get-current locals-list <> and      \ not a local name  
     last @ 0<> and      \ not an anonymous (i.e. noname) header  
     if      if
         tags-file-id >r           tags-file-id >r 
         r@ put-load-file-name          r@ put-load-file-name
         source drop >in @ r@ write-file throw          source drop >in @ r@ write-file throw
         127 r@ emit-file throw          127 r@ emit-file throw
         bl r@ emit-file throw          r> 2r> rot dup >r write-file throw
         last @ name>string r@ write-file throw  
         bl r@ emit-file throw  
         1 r@ emit-file throw          1 r@ emit-file throw
         base @ decimal loadline @ 0 <# #s #> r@ write-file throw base !          base @ decimal sourceline# 0 <# #s #> r@ write-file throw base !
         s" ,0" r@ write-line throw          s" ,0" r@ write-line throw
         \ the character position in the file; not strictly necessary AFAIK          \ the character position in the file; not strictly necessary AFAIK
         \ instead of using 0, we could use file-position and subtract          \ instead of using 0, we could use file-position and subtract
         \ the line length          \ the line length
         rdrop          rdrop
     endif cr ;      else
           2r> 2drop
       endif ;
   
   : put-tags-name ( -- )
       >in @ parse-name put-tags-string >in ! ;
   
   ' put-tags-name is record-name
   
   : put-tags-entry ( -- )
       \ write the entry for the last name to the TAGS file
       \ if the input is from a file and it is not a local name
       latest 0<> if
           latest name>string put-tags-string
       then ;
   
 : (tags-header) ( -- )  : (tags-header) ( -- )
     defers header      defers header

Removed from v.1.2  
changed lines
  Added in v.1.21


FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>