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mirror of https://gitlab.nic.cz/labs/bird.git synced 2024-11-08 20:28:43 +00:00

Conf: Show the line:char position where the syntax error happens

This commit is contained in:
Jan Maria Matejka 2018-09-11 16:55:41 +02:00
parent b1f6c439f5
commit afa14f1868
4 changed files with 11 additions and 6 deletions

View File

@ -100,6 +100,7 @@ static struct include_file_stack *ifs_head;
#define YY_INPUT(buf,result,max) result = cf_read_hook(buf, max, ifs->fd);
#define YY_NO_UNPUT
#define YY_FATAL_ERROR(msg) cf_error(msg)
#define YY_USER_ACTION ifs->chno += yyleng; ifs->toklen = yyleng;
static void cf_include(char *arg, int alen);
static int check_eof(void);
@ -237,7 +238,7 @@ else: {
{WHITE}+
\n ifs->lino++;
\n ifs->lino++; ifs->chno = 0;
# BEGIN(COMMENT);
@ -247,13 +248,14 @@ else: {
<COMMENT>\n {
ifs->lino++;
ifs->chno = 0;
BEGIN(INITIAL);
}
<COMMENT>.
<CCOMM>\*\/ BEGIN(INITIAL);
<CCOMM>\n ifs->lino++;
<CCOMM>\n ifs->lino++; ifs->chno = 0;
<CCOMM>\/\* cf_error("Comment nesting not supported");
<CCOMM><<EOF>> cf_error("Unterminated comment");
<CCOMM>.

View File

@ -515,6 +515,7 @@ cf_error(char *msg, ...)
va_end(args);
new_config->err_msg = cfg_strdup(buf);
new_config->err_lino = ifs->lino;
new_config->err_chno = ifs->chno - ifs->toklen + 1;
new_config->err_file_name = ifs->file_name;
cf_lex_unwind();
longjmp(conf_jmpbuf, 1);

View File

@ -48,6 +48,7 @@ struct config {
u32 watchdog_timeout; /* Watchdog timeout (in seconds, 0 = disabled) */
char *err_msg; /* Parser error message */
int err_lino; /* Line containing error */
int err_chno; /* Character where the parser stopped */
char *err_file_name; /* File name containing error */
char *file_name; /* Name of main configuration file */
int file_fd; /* File descriptor of main configuration file */
@ -141,6 +142,8 @@ struct include_file_stack {
char *file_name; /* File name */
int fd; /* File descriptor */
int lino; /* Current line num */
int chno; /* Current char num (on current line) */
int toklen; /* Current token length */
int depth; /* Include depth, 0 = cannot include */
struct include_file_stack *prev; /* Previous record in stack */
@ -149,7 +152,6 @@ struct include_file_stack {
extern struct include_file_stack *ifs;
int cf_lex(void);
void cf_lex_init(int is_cli, struct config *c);
void cf_lex_unwind(void);

View File

@ -212,7 +212,7 @@ read_config(void)
if (!unix_read_config(&conf, config_name))
{
if (conf->err_msg)
die("%s, line %d: %s", conf->err_file_name, conf->err_lino, conf->err_msg);
die("%s:%d:%d %s", conf->err_file_name, conf->err_lino, conf->err_chno, conf->err_msg);
else
die("Unable to open configuration file %s: %m", config_name);
}
@ -229,7 +229,7 @@ async_config(void)
if (!unix_read_config(&conf, config_name))
{
if (conf->err_msg)
log(L_ERR "%s, line %d: %s", conf->err_file_name, conf->err_lino, conf->err_msg);
log(L_ERR "%s:%d:%d %s", conf->err_file_name, conf->err_lino, conf->err_chno, conf->err_msg);
else
log(L_ERR "Unable to open configuration file %s: %m", config_name);
config_free(conf);
@ -250,7 +250,7 @@ cmd_read_config(char *name)
if (!unix_read_config(&conf, name))
{
if (conf->err_msg)
cli_msg(8002, "%s, line %d: %s", conf->err_file_name, conf->err_lino, conf->err_msg);
cli_msg(8002, "%s:%d:%d %s", conf->err_file_name, conf->err_lino, conf->err_chno, conf->err_msg);
else
cli_msg(8002, "%s: %m", name);
config_free(conf);