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Parser: Display token where parser fell down

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For example I misspelled device protocol
  bird: bird.conf, line 11 (nearby 'demice'): syntax error

It would be better to display whole err line. We can read it from
config->err_file_name again and display the line at config->err_lino.
This commit is contained in:
Pavel Tvrdik 2016-11-11 18:40:03 +01:00 committed by Jan Maria Matejka
parent 179e2a0934
commit 4d62bdd636
4 changed files with 8 additions and 4 deletions
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3
conf/conf.c
View File

@ -61,6 +61,8 @@ static jmp_buf conf_jmpbuf;
struct config *config, *new_config;
char *cf_text; /* Actual position from parser */
static struct config *old_config; /* Old configuration */
static struct config *future_config; /* New config held here if recon requested during recon */
static int old_cftype; /* Type of transition old_config -> config (RECONFIG_SOFT/HARD) */
@ -511,6 +513,7 @@ cf_error(const char *msg, ...)
strcpy(buf, "<bug: error message too long>");
va_end(args);
new_config->err_msg = cfg_strdup(buf);
new_config->err_token = cfg_strdup(cf_text);
new_config->err_lino = ifs->lino;
new_config->err_file_name = ifs->file_name;
cf_lex_unwind();

1
conf/conf.h
View File

@ -49,6 +49,7 @@ struct config {
int err_lino; /* Line containing error */
char *err_file_name; /* File name containing error */
char *file_name; /* Name of main configuration file */
char *err_token; /* Token where parser fell down */
int file_fd; /* File descriptor of main configuration file */
HASH(struct symbol) sym_hash; /* Lexer: symbol hash table */
struct config *fallback; /* Link to regular config for CLI parsing */

2
nest/cli.c
View File

@ -270,7 +270,7 @@ cli_command(struct cli *c)
lp_flush(c->parser_pool);
res = cli_parse(&f);
if (!res)
cli_printf(c, 9001, f.err_msg);
cli_printf(c, 9001, "Bad command (nearby '%s'): %s", f.err_token, f.err_msg);
config_free(&f);
}

6
sysdep/unix/main.c
View File

@ -213,7 +213,7 @@ 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, line %d (nearby '%s'): %s", conf->err_file_name, conf->err_lino, conf->err_token, conf->err_msg);
else
die("Unable to open configuration file %s: %m", config_name);
}
@ -230,7 +230,7 @@ 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, line %d (nearby '%s'): %s", conf->err_file_name, conf->err_lino, conf->err_token, conf->err_msg);
else
log(L_ERR "Unable to open configuration file %s: %m", config_name);
config_free(conf);
@ -251,7 +251,7 @@ 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, line %d (nearby '%s'): %s", conf->err_file_name, conf->err_lino, conf->err_token, conf->err_msg);
else
cli_msg(8002, "%s: %m", name);
config_free(conf);