| \ Etags support for GNU Forth. |
\ Etags support for GNU Forth. |
| |
|
| \ Copyright (C) 1995,1998,2001 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1998,2001,2003,2007,2008 Free Software Foundation, Inc. |
| |
|
| \ This file is part of Gforth. |
\ This file is part of Gforth. |
| |
|
| \ Gforth is free software; you can redistribute it and/or |
\ Gforth is free software; you can redistribute it and/or |
| \ modify it under the terms of the GNU General Public License |
\ modify it under the terms of the GNU General Public License |
| \ as published by the Free Software Foundation; either version 2 |
\ as published by the Free Software Foundation, either version 3 |
| \ of the License, or (at your option) any later version. |
\ of the License, or (at your option) any later version. |
| |
|
| \ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
| \ GNU General Public License for more details. |
\ GNU General Public License for more details. |
| |
|
| \ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
| \ along with this program; if not, write to the Free Software |
\ along with this program. If not, see http://www.gnu.org/licenses/. |
| \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
|
| |
|
| |
|
| \ This does not work like etags; instead, the TAGS file is updated |
\ This does not work like etags; instead, the TAGS file is updated |
| \ (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. |
| |
|
| \ the tag-text, rather than the tag name. |
\ the tag-text, rather than the tag name. |
| |
|
| require search.fs |
require search.fs |
| |
require environ.fs |
| require extend.fs |
require extend.fs |
| |
|
| : tags-file-name ( -- c-addr u ) |
: tags-file-name ( -- c-addr u ) |
| 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 |
|
| source-id dup 0<> swap -1 <> and \ input from a file |
|
| current @ locals-list <> and \ not a local name |
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 sourceline# 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 |
| \ 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 |
| |
else |
| |
2r> 2drop |
| endif ; |
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 |
| put-tags-entry ; |
put-tags-entry ; |
