--- gforth/etags.fs 1995/09/06 21:00:14 1.2 +++ gforth/etags.fs 2007/12/31 18:40:24 1.17 @@ -1,5 +1,23 @@ \ Etags support for GNU Forth. +\ Copyright (C) 1995,1998,2001,2003,2007 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 \ during the normal Forth interpretation/compilation process. @@ -18,6 +36,15 @@ \ 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 +72,15 @@ 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 @@ -70,24 +91,24 @@ 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 - bl r@ emit-file throw - last @ name>string r@ write-file throw - bl r@ emit-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 \ the line length rdrop - endif cr ; + endif ; : (tags-header) ( -- ) defers header