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Defined CF_ENUM.

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This commit is contained in:
Martin Mares 1999-11-15 11:35:41 +00:00
parent cbc3183007
commit 944f008af7
4 changed files with 20 additions and 4 deletions
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14
conf/cf-lex.l
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@ -9,14 +9,14 @@
%{
#undef REJECT /* Avoid name clashes */
#include "filter/filter.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include "nest/bird.h"
#include "nest/route.h"
#include "filter/filter.h"
#include "conf/conf.h"
#include "conf/cf-parse.tab.h"
@ -119,7 +119,15 @@ WHITE [ \t]
while (k)
{
if (!strcmp(k->name, yytext))
return k->value;
{
if (k->value > 0)
return k->value;
else
{
cf_lval.i = -k->value;
return ENUM;
}
}
k=k->next;
}
cf_lval.s = cf_find_sym(yytext, h);

2
conf/confbase.Y
View file

@ -38,7 +38,7 @@ CF_DECLS
}
%token END CLI_MARKER
%token <i> NUM
%token <i> NUM ENUM
%token <i32> RTRID
%token <a> IPA
%token <s> SYM

5
conf/gen_keywords.m4
View file

@ -22,6 +22,11 @@ m4_define(CF_KEYWORDS, `m4_define([[CF_toks]],[[]])CF_iterate([[CF_keywd]], [[$@
m4_define(CF_CLI, `CF_KEYWORDS(m4_translit($1, [[ ]], [[,]]))
')
# Enums are translated to C initializers: use CF_ENUM(typename, prefix, values)
m4_define(CF_enum, `m4_divert(0){ "CF_enum_prefix[[]]$1", -((CF_enum_type<<16) | CF_enum_prefix[[]]$1) },
m4_divert(-1)')
m4_define(CF_ENUM, `m4_define([[CF_enum_type]],$1)m4_define([[CF_enum_prefix]],$2)CF_iterate([[CF_enum]], [[m4_shift(m4_shift($@))]])DNL')
# As we are processing C source, we must access all M4 primitives via
# m4_* and also set different quoting convention: `[[' and ']]'
m4_changequote([[,]])

3
conf/gen_parser.m4
View file

@ -44,6 +44,9 @@ m4_divert(2)CF_KEYWORDS(m4_translit($1, [[ ]], [[,]]))
m4_divert(3)CF_ADDTO(cli_cmd, CF_cmd)
CF_cmd: $1 ')
# ENUM declarations are ignored
m4_define(CF_ENUM, `')
# After all configuration templates end, we finally generate the grammar file.
m4_m4wrap(`
m4_divert(0)DNL