mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-12-22 09:41:54 +00:00
53 lines
2.0 KiB
Plaintext
53 lines
2.0 KiB
Plaintext
m4_divert(-1)m4_dnl
|
|
#
|
|
# BIRD -- Generator of Configuration Keyword List
|
|
#
|
|
# (c) 1998--2000 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
|
|
#
|
|
# Can be freely distributed and used under the terms of the GNU GPL.
|
|
#
|
|
|
|
# Common aliases
|
|
m4_define(DNL, `m4_dnl')
|
|
|
|
# Diversions used:
|
|
# 1 keywords
|
|
|
|
# Simple iterator
|
|
m4_define(CF_itera, `m4_ifelse($#, 1, [[CF_iter($1)]], [[CF_iter($1)[[]]CF_itera(m4_shift($@))]])')
|
|
m4_define(CF_iterate, `m4_define([[CF_iter]], m4_defn([[$1]]))CF_itera($2)')
|
|
|
|
# We include all the headers
|
|
m4_define(CF_HDR, `m4_divert(0)')
|
|
m4_define(CF_DECLS, `m4_divert(-1)')
|
|
m4_define(CF_DEFINES, `m4_divert(-1)')
|
|
|
|
# Keywords are translated to C initializers
|
|
m4_define(CF_handle_kw, `m4_divert(1){ "m4_translit($1,[[A-Z]],[[a-z]])", $1, NULL },
|
|
m4_divert(-1)')
|
|
m4_define(CF_keywd, `m4_ifdef([[CF_tok_$1]],,[[m4_define([[CF_tok_$1]],1)CF_handle_kw($1)]])')
|
|
m4_define(CF_KEYWORDS, `m4_define([[CF_toks]],[[]])CF_iterate([[CF_keywd]], [[$@]])m4_ifelse(CF_toks,,,%token[[]]CF_toks
|
|
)DNL')
|
|
|
|
# CLI commands generate keywords as well
|
|
m4_define(CF_CLI, `CF_KEYWORDS(m4_translit($1, [[ ]], [[,]]))
|
|
')
|
|
|
|
# Enums are translated to C initializers: use CF_ENUM(typename, prefix, values)
|
|
# For different prefix: CF_ENUM_PX(typename, external prefix, C prefix, values)
|
|
m4_define(CF_enum, `m4_divert(1){ "CF_enum_prefix_ext[[]]$1", -((CF_enum_type<<16) | CF_enum_prefix_int[[]]$1), NULL },
|
|
m4_divert(-1)')
|
|
m4_define(CF_ENUM, `m4_define([[CF_enum_type]],$1)m4_define([[CF_enum_prefix_ext]],$2)m4_define([[CF_enum_prefix_int]],$2)CF_iterate([[CF_enum]], [[m4_shift(m4_shift($@))]])DNL')
|
|
m4_define(CF_ENUM_PX, `m4_define([[CF_enum_type]],$1)m4_define([[CF_enum_prefix_ext]],$2)m4_define([[CF_enum_prefix_int]],$3)CF_iterate([[CF_enum]], [[m4_shift(m4_shift(m4_shift($@)))]])DNL')
|
|
|
|
# After all configuration templates end, we generate the
|
|
m4_m4wrap(`
|
|
m4_divert(0)
|
|
static struct keyword keyword_list[] = {
|
|
m4_undivert(1){ NULL, -1, NULL } };
|
|
')
|
|
|
|
# As we are processing C source, we must access all M4 primitives via
|
|
# m4_* and also set different quoting convention: `[[' and ']]'
|
|
m4_changequote([[,]])
|