--- gforth/etags.fs 1994/08/31 16:37:45 1.1 +++ gforth/etags.fs 2007/03/31 21:43:18 1.15 @@ -1,5 +1,24 @@ \ Etags support for GNU Forth. +\ Copyright (C) 1995,1998,2001,2003 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 2 +\ of the License, or (at your option) any later version. + +\ This program is distributed in the hope that it will be useful, +\ but WITHOUT ANY WARRANTY; without even the implied warranty of +\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +\ GNU General Public License for more details. + +\ You should have received a copy of the GNU General Public License +\ along with this program; if not, write to the Free Software +\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. + + \ This does not work like etags; instead, the TAGS file is updated \ during the normal Forth interpretation/compilation process. @@ -18,6 +37,15 @@ \ header, NAME>STRING must convert that pointer to a string, and \ 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 ) \ for now I use just TAGS; this may become more flexible in the \ future @@ -45,21 +73,15 @@ create tags-line 128 chars allot endif 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! : put-load-file-name ( file-id -- ) >r - loadfilename 2@ last-loadfilename 2@ d<> + sourcefilename last-loadfilename 2@ d<> if #ff r@ emit-file throw #lf r@ emit-file throw - loadfilename 2@ 2dup + sourcefilename 2dup r@ write-file throw last-loadfilename 2! s" ,0" r@ write-line throw @@ -70,16 +92,18 @@ create emit-file-char 0 c, \ 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 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 + current @ locals-list <> and \ not a local name + latest 0<> and \ not an anonymous (i.e. noname) header if tags-file-id >r r@ put-load-file-name source drop >in @ r@ write-file throw 127 r@ emit-file throw - last @ name>string r@ write-file throw +\ bl r@ emit-file throw + latest name>string r@ write-file throw +\ bl 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 \ the character position in the file; not strictly necessary AFAIK \ instead of using 0, we could use file-position and subtract