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-rw-r--r--conf/cf-lex.l65
-rw-r--r--conf/conf.h2
-rw-r--r--conf/gen_keywords.m48
3 files changed, 32 insertions, 43 deletions
diff --git a/conf/cf-lex.l b/conf/cf-lex.l
index 8637de40..fb2ffb32 100644
--- a/conf/cf-lex.l
+++ b/conf/cf-lex.l
@@ -54,7 +54,6 @@
struct keyword {
byte *name;
int value;
- struct keyword *next;
};
#include "conf/keywords.h"
@@ -67,12 +66,6 @@ struct keyword {
static uint cf_hash(const byte *c);
-#define KW_KEY(n) n->name
-#define KW_NEXT(n) n->next
-#define KW_EQ(a,b) !strcmp(a,b)
-#define KW_FN(k) cf_hash(k)
-#define KW_ORDER 8 /* Fixed */
-
#define SYM_KEY(n) n->name
#define SYM_NEXT(n) n->next
#define SYM_EQ(a,b) !strcmp(a,b)
@@ -85,10 +78,9 @@ static uint cf_hash(const byte *c);
HASH_DEFINE_REHASH_FN(SYM, struct symbol)
-HASH(struct keyword) kw_hash;
-
struct sym_scope *conf_this_scope;
struct sym_scope *global_root_scope;
+static pool *global_root_scope_pool;
linpool *cfg_mem;
@@ -576,14 +568,19 @@ cf_new_symbol(const byte *c)
cf_swap_soft_scope();
- s = cfg_allocz(sizeof(struct symbol) + l + 1);
+ pool *p = new_config->pool;
+
+ if (conf_this_scope == global_root_scope)
+ s = mb_allocz(p = global_root_scope_pool, sizeof(struct symbol) + l + 1);
+ else
+ s = cfg_allocz(sizeof(struct symbol) + l + 1);
*s = (struct symbol) { .scope = conf_this_scope, .class = SYM_VOID, };
strcpy(s->name, c);
if (!conf_this_scope->hash.data)
- HASH_INIT(conf_this_scope->hash, new_config->pool, SYM_ORDER);
+ HASH_INIT(conf_this_scope->hash, p, SYM_ORDER);
- HASH_INSERT2(conf_this_scope->hash, SYM, new_config->pool, s);
+ HASH_INSERT2(conf_this_scope->hash, SYM, p, s);
if (conf_this_scope == new_config->root_scope)
add_tail(&(new_config->symbols), &(s->n));
@@ -684,36 +681,20 @@ cf_lex_symbol(const char *data)
struct symbol *sym = cf_get_symbol(data);
cf_lval.s = sym;
- /* Is it a keyword? Prefer the keyword. */
- struct keyword *k = HASH_FIND(kw_hash, KW, data);
- if (k)
+ switch (sym->class)
{
- if (k->value > 0)
- return k->value;
- else
+ case SYM_KEYWORD:
{
- cf_lval.i = -k->value;
+ int val = sym->keyword->value;
+ if (val > 0) return val;
+ cf_lval.i = -val;
return ENUM;
}
+ case SYM_VOID:
+ return CF_SYM_UNDEFINED;
+ default:
+ return CF_SYM_KNOWN;
}
-
- /* OK, only a symbol. */
- if (sym->class == SYM_VOID)
- return CF_SYM_UNDEFINED;
- else
- return CF_SYM_KNOWN;
-}
-
-static void
-cf_lex_init_kh(void)
-{
- HASH_INIT(kw_hash, &root_pool, KW_ORDER);
-
- struct keyword *k;
- for (k=keyword_list; k->name; k++)
- HASH_INSERT(kw_hash, KW, k);
-
- global_root_scope = mb_allocz(&root_pool, sizeof(*global_root_scope));
}
/**
@@ -727,8 +708,14 @@ cf_lex_init_kh(void)
void
cf_lex_init(int is_cli, struct config *c)
{
- if (!kw_hash.data)
- cf_lex_init_kh();
+ if (!global_root_scope_pool)
+ {
+ global_root_scope_pool = rp_new(&root_pool, "Keywords pool");
+ conf_this_scope = global_root_scope = mb_allocz(global_root_scope_pool, sizeof(*global_root_scope));
+
+ for (const struct keyword *k = keyword_list; k->name; k++)
+ cf_define_symbol(cf_get_symbol(k->name), SYM_KEYWORD, keyword, k);
+ }
ifs_head = ifs = push_ifs(NULL);
if (!is_cli)
diff --git a/conf/conf.h b/conf/conf.h
index fe8ee5bf..12f1a6b3 100644
--- a/conf/conf.h
+++ b/conf/conf.h
@@ -123,6 +123,7 @@ struct symbol {
struct f_dynamic_attr *attribute; /* For SYM_ATTRIBUTE */
struct f_val *val; /* For SYM_CONSTANT */
uint offset; /* For SYM_VARIABLE */
+ const struct keyword *keyword; /* For SYM_KEYWORD */
};
char name[0];
@@ -157,6 +158,7 @@ struct bytestring {
#define SYM_FILTER 4
#define SYM_TABLE 5
#define SYM_ATTRIBUTE 6
+#define SYM_KEYWORD 7
#define SYM_VARIABLE 0x100 /* 0x100-0x1ff are variable types */
#define SYM_VARIABLE_RANGE SYM_VARIABLE ... (SYM_VARIABLE | 0xff)
diff --git a/conf/gen_keywords.m4 b/conf/gen_keywords.m4
index 4ab6d50d..4e8651f6 100644
--- a/conf/gen_keywords.m4
+++ b/conf/gen_keywords.m4
@@ -23,7 +23,7 @@ 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_define(CF_handle_kw, `m4_divert(1){ "m4_translit($1,[[A-Z]],[[a-z]])", $1 },
m4_divert(-1)')
m4_define(CF_keywd, `m4_ifdef([[CF_tok_$1]],,[[m4_define([[CF_tok_$1]],1)CF_handle_kw($1)]])')
m4_define(CF_KEYWORDS, `CF_iterate([[CF_keywd]], [[$@]])DNL')
@@ -35,7 +35,7 @@ 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_define(CF_enum, `m4_divert(1){ "CF_enum_prefix_ext[[]]$1", -((CF_enum_type<<16) | CF_enum_prefix_int[[]]$1) },
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')
@@ -43,8 +43,8 @@ m4_define(CF_ENUM_PX, `m4_define([[CF_enum_type]],$1)m4_define([[CF_enum_prefix_
# After all configuration templates end, we generate the
m4_m4wrap(`
m4_divert(0)
-static struct keyword keyword_list[] = {
-m4_undivert(1){ NULL, -1, NULL } };
+static const struct keyword keyword_list[] = {
+m4_undivert(1){ NULL, -1 } };
')
# As we are processing C source, we must access all M4 primitives via