0
0
mirror of https://gitlab.nic.cz/labs/bird.git synced 2024-11-14 23:28:43 +00:00

Lexer: Passing the buffer to Flex directly.

This commit is contained in:
Jan Maria Matejka 2018-08-23 21:54:35 +02:00
parent 02297d3c54
commit 118c443aba
5 changed files with 15 additions and 19 deletions

View File

@ -355,6 +355,12 @@ cf_free_state(struct cf_context *ctx, struct conf_state *cs)
/* The state structure is allocated from linpool, will be auto-freed. */
}
void
cf_scan_bytes(struct cf_context *ctx, const char *buf, uint len)
{
yy_scan_bytes(buf, len, ctx->yyscanner);
}
static void
cf_include(char *arg, int alen, yyscan_t yyscanner)
{

View File

@ -157,6 +157,8 @@ cli_parse(struct conf_order *order)
struct cf_context *ctx = cf_new_context(1, order);
cf_scan_bytes(ctx, order->buf, order->len);
int ok = 0;
if (setjmp(ctx->jmpbuf))
goto done;

View File

@ -65,6 +65,8 @@ struct conf_order {
struct conf_state *state;
struct pool *pool; /* If set, use this resource pool */
struct linpool *lp; /* If set, use this linpool */
const char *buf;
uint len;
int (*cf_read_hook)(struct conf_order *order, byte *buf, uint max);
void (*cf_include)(struct conf_order *order, char *name, uint len);
int (*cf_outclude)(struct conf_order *order);

View File

@ -34,6 +34,9 @@ void cf_free_context(struct cf_context *);
struct conf_state *cf_new_state(struct cf_context *ctx, const char *name);
void cf_free_state(struct cf_context *ctx, struct conf_state *cs);
/* Lexer input is a memory buffer */
void cf_scan_bytes(struct cf_context *, const char *, uint);
/* Init keyword hash is called once from global init */
void cf_init_kh(void);

View File

@ -242,24 +242,8 @@ struct cli *this_cli;
struct cli_conf_order {
struct conf_order co;
struct cli *cli;
const char *pos;
uint len;
};
static int
cli_cmd_read_hook(struct conf_order *co, byte *buf, uint max)
{
struct cli_conf_order *cco = (struct cli_conf_order *) co;
if (max > cco->len)
max = cco->len;
memcpy(buf, cco->pos, cco->len);
cco->pos += max;
cco->len -= max;
return max;
}
static void
cli_cmd_error(struct conf_order *co, const char *msg, va_list args)
{
@ -279,15 +263,14 @@ cli_command(struct cli *c)
.co = {
.ctx = NULL,
.state = &state,
.cf_read_hook = cli_cmd_read_hook,
.buf = c->rx_buf,
.len = strlen(c->rx_buf),
.cf_include = NULL,
.cf_outclude = NULL,
.cf_error = cli_cmd_error,
.lp = c->parser_pool,
.pool = c->pool,
},
.pos = c->rx_buf,
.len = strlen(c->rx_buf),
.cli = c,
};