HASH_DEFINE_REHASH_FN(SYM, struct symbol)
-struct sym_scope *conf_this_scope;
struct sym_scope *global_root_scope;
static pool *global_root_scope_pool;
return 0;
}
-static inline void cf_swap_soft_scope(void);
+static inline void cf_swap_soft_scope(struct config *conf);
static struct symbol *
-cf_new_symbol(const byte *c)
+cf_new_symbol(struct sym_scope *scope, pool *p, struct linpool *lp, const byte *c)
{
struct symbol *s;
if (l > SYM_MAX_LEN)
cf_error("Symbol too long");
- cf_swap_soft_scope();
-
- 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, };
+ s = lp_alloc(lp, sizeof(struct symbol) + l + 1);
+ *s = (struct symbol) { .scope = scope, .class = SYM_VOID, };
strcpy(s->name, c);
- if (!conf_this_scope->hash.data)
- HASH_INIT(conf_this_scope->hash, p, SYM_ORDER);
+ if (!scope->hash.data)
+ HASH_INIT(scope->hash, p, SYM_ORDER);
- HASH_INSERT2(conf_this_scope->hash, SYM, p, s);
+ HASH_INSERT2(scope->hash, SYM, p, s);
- if (conf_this_scope == new_config->root_scope)
+ if (new_config && (scope == new_config->root_scope))
add_tail(&(new_config->symbols), &(s->n));
return s;
}
-struct symbol *
-cf_symbol_from_keyword(const struct keyword *kw)
-{ return cf_new_symbol(kw->name); }
-
/**
* cf_find_symbol_scope - find a symbol by name
* @scope: config scope
* existing symbol is found.
*/
struct symbol *
-cf_get_symbol(const byte *c)
+cf_get_symbol(struct config *conf, const byte *c)
{
- return cf_find_symbol_scope(conf_this_scope, c) ?: cf_new_symbol(c);
+ return cf_find_symbol_scope(conf->current_scope, c) ?: (
+ cf_swap_soft_scope(conf),
+ cf_new_symbol(conf->current_scope, conf->pool, conf->mem, c)
+ );
}
/**
* for purposes of cf_define_symbol().
*/
struct symbol *
-cf_localize_symbol(struct symbol *sym)
+cf_localize_symbol(struct config *conf, struct symbol *sym)
{
/* If the symbol type is void, it has been recently allocated just in this scope. */
if (!sym->class)
return sym;
/* If the scope is the current, it is already defined in this scope. */
- if (cf_symbol_is_local(sym))
+ if (cf_symbol_is_local(conf, sym))
cf_error("Symbol already defined");
/* Not allocated here yet, doing it now. */
- return cf_new_symbol(sym->name);
+ cf_swap_soft_scope(conf);
+ return cf_new_symbol(conf->current_scope, conf->pool, conf->mem, sym->name);
}
struct symbol *
-cf_default_name(char *template, int *counter)
+cf_default_name(struct config *conf, char *template, int *counter)
{
char buf[SYM_MAX_LEN];
struct symbol *s;
for(;;)
{
bsprintf(buf, template, ++(*counter));
- s = cf_get_symbol(buf);
+ s = cf_get_symbol(conf, buf);
if (s->class == SYM_VOID)
return s;
if (!perc)
cf_lex_symbol(const char *data)
{
/* Have we defined such a symbol? */
- struct symbol *sym = cf_get_symbol(data);
+ struct symbol *sym = cf_get_symbol(new_config, data);
cf_lval.s = sym;
switch (sym->class)
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));
+ linpool *kwlp = lp_new(global_root_scope_pool);
+ global_root_scope = lp_allocz(kwlp, 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);
+ {
+ struct symbol *sym = cf_new_symbol(global_root_scope, global_root_scope_pool, kwlp, k->name);
+ sym->class = SYM_KEYWORD;
+ sym->keyword = k;
+ }
}
ifs_head = ifs = push_ifs(NULL);
else
BEGIN(INITIAL);
- c->root_scope = cfg_allocz(sizeof(struct sym_scope));
- conf_this_scope = c->root_scope;
- conf_this_scope->active = 1;
+ c->root_scope = c->current_scope = cfg_allocz(sizeof(struct sym_scope));
if (is_cli)
- conf_this_scope->next = config->root_scope;
+ c->current_scope->next = config->root_scope;
else
- conf_this_scope->next = global_root_scope;
+ c->current_scope->next = global_root_scope;
}
/**
* in all scopes stored on the stack.
*/
void
-cf_push_scope(struct symbol *sym)
+cf_push_scope(struct config *conf, struct symbol *sym)
{
struct sym_scope *s = cfg_allocz(sizeof(struct sym_scope));
- s->next = conf_this_scope;
- conf_this_scope = s;
+ s->next = conf->current_scope;
+ conf->current_scope = s;
s->active = 1;
s->name = sym;
s->slots = 0;
* invisible to the rest of the config.
*/
void
-cf_pop_scope(void)
+cf_pop_scope(struct config *conf)
{
- ASSERT(!conf_this_scope->soft_scopes);
+ ASSERT(!conf->current_scope->soft_scopes);
- conf_this_scope->active = 0;
- conf_this_scope = conf_this_scope->next;
+ conf->current_scope->active = 0;
+ conf->current_scope = conf->current_scope->next;
- ASSERT(conf_this_scope);
+ ASSERT(conf->current_scope);
}
/**
* Such scope will be converted to a regular scope on first use.
*/
void
-cf_push_soft_scope(void)
+cf_push_soft_scope(struct config *conf)
{
- if (conf_this_scope->soft_scopes < 0xfe)
- conf_this_scope->soft_scopes++;
+ if (conf->current_scope->soft_scopes < 0xfe)
+ conf->current_scope->soft_scopes++;
else
- cf_push_block_scope();
+ cf_push_block_scope(conf);
}
/**
* Leave a soft scope entered by cf_push_soft_scope().
*/
void
-cf_pop_soft_scope(void)
+cf_pop_soft_scope(struct config *conf)
{
- if (conf_this_scope->soft_scopes)
- conf_this_scope->soft_scopes--;
+ if (conf->current_scope->soft_scopes)
+ conf->current_scope->soft_scopes--;
else
- cf_pop_block_scope();
+ cf_pop_block_scope(conf);
}
/**
* on first use. It is done automatically by cf_new_symbol().
*/
static inline void
-cf_swap_soft_scope(void)
+cf_swap_soft_scope(struct config *conf)
{
- if (conf_this_scope->soft_scopes)
+ if (conf->current_scope->soft_scopes)
{
- conf_this_scope->soft_scopes--;
- cf_push_block_scope();
+ conf->current_scope->soft_scopes--;
+ cf_push_block_scope(conf);
}
}
int file_fd; /* File descriptor of main configuration file */
struct sym_scope *root_scope; /* Scope for root symbols */
+ struct sym_scope *current_scope; /* Current scope where we are actually in while parsing */
int obstacle_count; /* Number of items blocking freeing of this config */
int shutdown; /* This is a pseudo-config for daemon shutdown */
int gr_down; /* This is a pseudo-config for graceful restart */
extern struct include_file_stack *ifs;
-extern struct sym_scope *conf_this_scope;
-
int cf_lex(void);
void cf_lex_init(int is_cli, struct config *c);
void cf_lex_unwind(void);
struct sym_scope: cf_find_symbol_scope \
)((where), (what))
-struct symbol *cf_get_symbol(const byte *c);
-struct symbol *cf_default_name(char *template, int *counter);
-struct symbol *cf_localize_symbol(struct symbol *sym);
+struct symbol *cf_get_symbol(struct config *conf, const byte *c);
+struct symbol *cf_default_name(struct config *conf, char *template, int *counter);
+struct symbol *cf_localize_symbol(struct config *conf, struct symbol *sym);
-static inline int cf_symbol_is_local(struct symbol *sym)
-{ return (sym->scope == conf_this_scope) && !conf_this_scope->soft_scopes; }
+static inline int cf_symbol_is_local(struct config *conf, struct symbol *sym)
+{ return (sym->scope == conf->current_scope) && !conf->current_scope->soft_scopes; }
/**
* cf_define_symbol - define meaning of a symbol
* Result: Pointer to the newly defined symbol. If we are in the top-level
* scope, it's the same @sym as passed to the function.
*/
-#define cf_define_symbol(osym_, type_, var_, def_) ({ \
- struct symbol *sym_ = cf_localize_symbol(osym_); \
+#define cf_define_symbol(conf_, osym_, type_, var_, def_) ({ \
+ struct symbol *sym_ = cf_localize_symbol(conf_, osym_); \
sym_->class = type_; \
sym_->var_ = def_; \
sym_; })
-void cf_push_scope(struct symbol *);
-void cf_pop_scope(void);
-void cf_push_soft_scope(void);
-void cf_pop_soft_scope(void);
+void cf_push_scope(struct config *, struct symbol *);
+void cf_pop_scope(struct config *);
+void cf_push_soft_scope(struct config *);
+void cf_pop_soft_scope(struct config *);
-static inline void cf_push_block_scope(void)
-{ cf_push_scope(NULL); conf_this_scope->block = 1; }
+static inline void cf_push_block_scope(struct config *conf)
+{ cf_push_scope(conf, NULL); conf->current_scope->block = 1; }
-static inline void cf_pop_block_scope(void)
-{ ASSERT(conf_this_scope->block); cf_pop_scope(); }
+static inline void cf_pop_block_scope(struct config *conf)
+{ ASSERT(conf->current_scope->block); cf_pop_scope(conf); }
char *cf_symbol_class_name(struct symbol *sym);
DEFINE symbol '=' term ';' {
struct f_val *val = cfg_allocz(sizeof(struct f_val));
if (f_eval(f_linearize($4, 1), cfg_mem, val) > F_RETURN) cf_error("Runtime error");
- cf_define_symbol($2, SYM_CONSTANT | val->type, val, val);
+ cf_define_symbol(new_config, $2, SYM_CONSTANT | val->type, val, val);
}
;
conf: filter_def ;
filter_def:
- FILTER symbol { $2 = cf_define_symbol($2, SYM_FILTER, filter, NULL); cf_push_scope( $2 ); }
+ FILTER symbol { $2 = cf_define_symbol(new_config, $2, SYM_FILTER, filter, NULL); cf_push_scope( new_config, $2 ); }
filter_body {
struct filter *f = cfg_alloc(sizeof(struct filter));
*f = (struct filter) { .sym = $2, .root = $4 };
$2->filter = f;
- cf_pop_scope();
+ cf_pop_scope(new_config);
}
;
conf: custom_attr ;
custom_attr: ATTRIBUTE type symbol ';' {
- cf_define_symbol($3, SYM_ATTRIBUTE, attribute, ca_lookup(new_config->pool, $3->name, $2)->fda);
+ cf_define_symbol(new_config, $3, SYM_ATTRIBUTE, attribute, ca_lookup(new_config->pool, $3->name, $2)->fda);
};
conf: bt_test_suite ;
| function_argsn type symbol ';' {
if ($3->scope->slots >= 0xfe) cf_error("Too many declarations, at most 255 allowed");
$$ = cfg_alloc(sizeof(struct f_arg));
- $$->arg = cf_define_symbol($3, SYM_VARIABLE | $2, offset, sym_->scope->slots++);
+ $$->arg = cf_define_symbol(new_config, $3, SYM_VARIABLE | $2, offset, sym_->scope->slots++);
$$->next = $1;
}
;
'(' ')' { $$ = NULL; }
| '(' function_argsn type symbol ')' {
$$ = cfg_alloc(sizeof(struct f_arg));
- $$->arg = cf_define_symbol($4, SYM_VARIABLE | $3, offset, sym_->scope->slots++);
+ $$->arg = cf_define_symbol(new_config, $4, SYM_VARIABLE | $3, offset, sym_->scope->slots++);
$$->next = $2;
}
;
function_vars:
/* EMPTY */ { $$ = 0; }
| function_vars type symbol ';' {
- cf_define_symbol($3, SYM_VARIABLE | $2, offset, f_new_var(sym_->scope));
+ cf_define_symbol(new_config, $3, SYM_VARIABLE | $2, offset, f_new_var(sym_->scope));
$$ = $1 + 1;
}
;
cf_assert_symbol($1, SYM_FILTER);
$$ = $1->filter;
}
- | { cf_push_scope(NULL); } filter_body {
+ | { cf_push_scope(new_config, NULL); } filter_body {
struct filter *f = cfg_alloc(sizeof(struct filter));
*f = (struct filter) { .root = $2 };
$$ = f;
- cf_pop_scope();
+ cf_pop_scope(new_config);
}
;
function_def:
FUNCTION symbol {
DBG( "Beginning of function %s\n", $2->name );
- $2 = cf_define_symbol($2, SYM_FUNCTION, function, NULL);
- cf_push_scope($2);
+ $2 = cf_define_symbol(new_config, $2, SYM_FUNCTION, function, NULL);
+ cf_push_scope(new_config, $2);
} function_args {
/* Make dummy f_line for storing function prototype */
struct f_line *dummy = cfg_allocz(sizeof(struct f_line));
$6->args = $2->function->args;
$6->arg_list = $2->function->arg_list;
$2->function = $6;
- cf_pop_scope();
+ cf_pop_scope(new_config);
}
;
| cmds_int { $$ = $1.begin; }
;
-cmds_scoped: { cf_push_soft_scope(); } cmds { cf_pop_soft_scope(); $$ = $2; } ;
+cmds_scoped: { cf_push_soft_scope(new_config); } cmds { cf_pop_soft_scope(new_config); $$ = $2; } ;
cmd_var: var | cmd ;
var:
type symbol var_init ';' {
- struct symbol *sym = cf_define_symbol($2, SYM_VARIABLE | $1, offset, f_new_var(sym_->scope));
+ struct symbol *sym = cf_define_symbol(new_config, $2, SYM_VARIABLE | $1, offset, f_new_var(sym_->scope));
$$ = f_new_inst(FI_VAR_INIT, $3, sym);
}
for_var:
- type symbol { $$ = cf_define_symbol($2, SYM_VARIABLE | $1, offset, f_new_var(sym_->scope)); }
+ type symbol { $$ = cf_define_symbol(new_config, $2, SYM_VARIABLE | $1, offset, f_new_var(sym_->scope)); }
| CF_SYM_KNOWN { $$ = $1; cf_assert_symbol($1, SYM_VARIABLE); }
;
}
| FOR {
/* Reserve space for walk data on stack */
- cf_push_block_scope();
- conf_this_scope->slots += 2;
+ cf_push_block_scope(new_config);
+ new_config->current_scope->slots += 2;
} for_var IN
/* Parse term in the parent scope */
- { conf_this_scope->active = 0; } term { conf_this_scope->active = 1; }
+ { new_config->current_scope->active = 0; } term { new_config->current_scope->active = 1; }
DO cmd {
- cf_pop_block_scope();
+ cf_pop_block_scope(new_config);
$$ = f_new_inst(FI_FOR_INIT, $6, $3);
$$->next = f_new_inst(FI_FOR_NEXT, $3, $9);
}
proto_name:
/* EMPTY */ {
- struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
+ struct symbol *s = cf_default_name(new_config, this_proto->protocol->template, &this_proto->protocol->name_counter);
s->class = this_proto->class;
s->proto = this_proto;
this_proto->name = s->name;
}
| symbol {
- cf_define_symbol($1, this_proto->class, proto, this_proto);
+ cf_define_symbol(new_config, $1, this_proto->class, proto, this_proto);
this_proto->name = $1->name;
}
| FROM CF_SYM_KNOWN {
if (($2->class != SYM_TEMPLATE) && ($2->class != SYM_PROTO)) cf_error("Template or protocol name expected");
- struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
+ struct symbol *s = cf_default_name(new_config, this_proto->protocol->template, &this_proto->protocol->name_counter);
s->class = this_proto->class;
s->proto = this_proto;
this_proto->name = s->name;
| symbol FROM CF_SYM_KNOWN {
if (($3->class != SYM_TEMPLATE) && ($3->class != SYM_PROTO)) cf_error("Template or protocol name expected");
- cf_define_symbol($1, this_proto->class, proto, this_proto);
+ cf_define_symbol(new_config, $1, this_proto->class, proto, this_proto);
this_proto->name = $1->name;
proto_copy_config(this_proto, $3->proto);
/* This is hack, we would like to share config, but we need to copy it now */
new_config = new;
cfg_mem = new->mem;
- conf_this_scope = new->root_scope;
- sym = cf_get_symbol(oc->name);
+ new->current_scope = new->root_scope;
+ sym = cf_get_symbol(new, oc->name);
proto_clone_config(sym, parsym->proto);
new_config = NULL;
cfg_mem = NULL;
{
init_list(&c->tables);
- rt_new_table(cf_get_symbol("master4"), NET_IP4);
- rt_new_table(cf_get_symbol("master6"), NET_IP6);
+ rt_new_table(cf_get_symbol(c, "master4"), NET_IP4);
+ rt_new_table(cf_get_symbol(c, "master6"), NET_IP6);
}
void
struct rtable_config *c = cfg_allocz(sizeof(struct rtable_config));
- cf_define_symbol(s, SYM_TABLE, table, c);
+ cf_define_symbol(new_config, s, SYM_TABLE, table, c);
c->name = s->name;
c->addr_type = addr_type;
c->gc_threshold = 1000;
/* This is hack, we would like to share config, but we need to copy it now */
new_config = config;
cfg_mem = config->mem;
- conf_this_scope = config->root_scope;
- sym = cf_default_name(fmt, &(pp->dynamic_name_counter));
+ config->current_scope = config->root_scope;
+ sym = cf_default_name(config, fmt, &(pp->dynamic_name_counter));
proto_clone_config(sym, pp->p.cf);
new_config = NULL;
cfg_mem = NULL;
#ifdef PATH_IPROUTE_DIR
static inline void
-add_num_const(char *name, int val, const char *file, const uint line)
+add_num_const(struct config *conf, char *name, int val, const char *file, const uint line)
{
struct f_val *v = cfg_alloc(sizeof(struct f_val));
*v = (struct f_val) { .type = T_INT, .val.i = val };
- struct symbol *sym = cf_get_symbol(name);
- if (sym->class && cf_symbol_is_local(sym))
+ struct symbol *sym = cf_get_symbol(conf, name);
+ if (sym->class && cf_symbol_is_local(conf, sym))
cf_error("Error reading value for %s from %s:%d: already defined", name, file, line);
- cf_define_symbol(sym, SYM_CONSTANT | T_INT, val, v);
+ cf_define_symbol(conf, sym, SYM_CONSTANT | T_INT, val, v);
}
/* the code of read_iproute_table() is based on
rtnl_tab_initialize() from iproute2 package */
static void
-read_iproute_table(char *file, char *prefix, uint max)
+read_iproute_table(struct config *conf, char *file, char *prefix, uint max)
{
char buf[512], namebuf[512];
char *name;
if ((*p < 'a' || *p > 'z') && (*p < 'A' || *p > 'Z') && (*p < '0' || *p > '9') && (*p != '_'))
*p = '_';
- add_num_const(namebuf, val, file, line);
+ add_num_const(conf, namebuf, val, file, line);
}
fclose(fp);
c->watchdog_warning = UNIX_DEFAULT_WATCHDOG_WARNING;
#ifdef PATH_IPROUTE_DIR
- read_iproute_table(PATH_IPROUTE_DIR "/rt_protos", "ipp_", 255);
- read_iproute_table(PATH_IPROUTE_DIR "/rt_realms", "ipr_", 0xffffffff);
- read_iproute_table(PATH_IPROUTE_DIR "/rt_scopes", "ips_", 255);
- read_iproute_table(PATH_IPROUTE_DIR "/rt_tables", "ipt_", 0xffffffff);
+ read_iproute_table(c, PATH_IPROUTE_DIR "/rt_protos", "ipp_", 255);
+ read_iproute_table(c, PATH_IPROUTE_DIR "/rt_realms", "ipr_", 0xffffffff);
+ read_iproute_table(c, PATH_IPROUTE_DIR "/rt_scopes", "ips_", 255);
+ read_iproute_table(c, PATH_IPROUTE_DIR "/rt_tables", "ipt_", 0xffffffff);
#endif
}
projects / thirdparty / bird.git / commitdiff
