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json: Eliminate lexer state IN_ERROR

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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180831075841.13363-6-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2018-08-31 09:58:40 +02:00
parent 0f07a5d5f1
commit 2ce4ee64c4
2 changed files with 9 additions and 8 deletions
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9
qobject/json-lexer.c
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@ -100,8 +100,7 @@
*/
enum json_lexer_state {
IN_ERROR = 0, /* must really be 0, see json_lexer[] */
IN_RECOVERY,
IN_RECOVERY = 1,
IN_DQ_STRING_ESCAPE,
IN_DQ_STRING,
IN_SQ_STRING_ESCAPE,
@ -121,6 +120,8 @@ enum json_lexer_state {
IN_START_INTERP, /* must be IN_START + 1 */
};
QEMU_BUILD_BUG_ON(JSON_ERROR != 0);
QEMU_BUILD_BUG_ON(IN_RECOVERY != JSON_ERROR + 1);
QEMU_BUILD_BUG_ON((int)JSON_MIN <= (int)IN_START_INTERP);
QEMU_BUILD_BUG_ON(JSON_MAX >= 0x80);
QEMU_BUILD_BUG_ON(IN_START_INTERP != IN_START + 1);
@ -176,7 +177,7 @@ static const uint8_t json_lexer[][256] = {
/* Zero */
[IN_ZERO] = {
TERMINAL(JSON_INTEGER),
['0' ... '9'] = IN_ERROR,
['0' ... '9'] = JSON_ERROR,
['.'] = IN_MANTISSA,
},
@ -328,7 +329,7 @@ static void json_lexer_feed_char(JSONLexer *lexer, char ch, bool flush)
case IN_START:
new_state = lexer->start_state;
break;
case IN_ERROR:
case JSON_ERROR:
json_message_process_token(lexer, lexer->token, JSON_ERROR,
lexer->x, lexer->y);
new_state = IN_RECOVERY;