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Code Issues Projects Releases Wiki Activity

Move logic away from ragel machine

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pull/13171/head
Bo Yang 6 years ago
parent f1d7570f30
commit d4caefaade
2 changed files with 316 additions and 281 deletions
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  1. 388
      upb/json/parser.c
  2. 209
      upb/json/parser.rl

388
upb/json/parser.c
Unescape View File

@ -42,6 +42,27 @@ static const char *kBoolValueFullMessageName = "google.protobuf.BoolValue";
static const char *kStringValueFullMessageName = "google.protobuf.StringValue";
static const char *kBytesValueFullMessageName = "google.protobuf.BytesValue";
/* Forward declare */
static bool is_top_level(upb_json_parser *p);
static bool is_number_wrapper_object(upb_json_parser *p);
static bool does_number_wrapper_start(upb_json_parser *p);
static bool does_number_wrapper_end(upb_json_parser *p);
static bool is_string_wrapper_object(upb_json_parser *p);
static bool does_string_wrapper_start(upb_json_parser *p);
static bool does_string_wrapper_end(upb_json_parser *p);
static bool is_boolean_wrapper_object(upb_json_parser *p);
static bool does_boolean_wrapper_start(upb_json_parser *p);
static bool does_boolean_wrapper_end(upb_json_parser *p);
static void start_wrapper_object(upb_json_parser *p);
static void end_wrapper_object(upb_json_parser *p);
static bool start_subobject(upb_json_parser *p);
static void end_subobject(upb_json_parser *p);
typedef struct {
upb_sink sink;
@ -620,14 +641,27 @@ static bool end_text(upb_json_parser *p, const char *ptr) {
return capture_end(p, ptr);
}
static void start_number(upb_json_parser *p, const char *ptr) {
static bool start_number(upb_json_parser *p, const char *ptr) {
if (is_top_level(p)) {
if (!is_number_wrapper_object(p)) {
return false;
}
start_wrapper_object(p);
} else if (does_number_wrapper_start(p)) {
if (!start_subobject(p)) {
return false;
}
start_wrapper_object(p);
}
multipart_startaccum(p);
capture_begin(p, ptr);
return true;
}
static bool parse_number(upb_json_parser *p, bool is_quoted);
static bool end_number(upb_json_parser *p, const char *ptr) {
static bool end_number_nontop(upb_json_parser *p, const char *ptr) {
if (!capture_end(p, ptr)) {
return false;
}
@ -640,6 +674,21 @@ static bool end_number(upb_json_parser *p, const char *ptr) {
return parse_number(p, false);
}
static bool end_number(upb_json_parser *p, const char *ptr) {
if (!end_number_nontop(p, ptr)) {
return false;
}
if (does_number_wrapper_end(p)) {
end_wrapper_object(p);
if (!is_top_level(p)) {
end_subobject(p);
}
}
return true;
}
/* |buf| is NULL-terminated. |buf| itself will never include quotes;
* |is_quoted| tells us whether this text originally appeared inside quotes. */
static bool parse_number_from_buffer(upb_json_parser *p, const char *buf,
@ -807,7 +856,46 @@ static bool parser_putbool(upb_json_parser *p, bool val) {
return true;
}
static bool end_bool(upb_json_parser *p, bool val) {
if (is_top_level(p)) {
if (!is_boolean_wrapper_object(p)) {
return false;
}
start_wrapper_object(p);
} else if (does_boolean_wrapper_start(p)) {
if (!start_subobject(p)) {
return false;
}
start_wrapper_object(p);
}
if (!parser_putbool(p, val)) {
return false;
}
if (does_boolean_wrapper_end(p)) {
end_wrapper_object(p);
if (!is_top_level(p)) {
end_subobject(p);
}
}
return true;
}
static bool start_stringval(upb_json_parser *p) {
if (is_top_level(p)) {
if (!is_string_wrapper_object(p)) {
return false;
}
start_wrapper_object(p);
} else if (does_string_wrapper_start(p)) {
if (!start_subobject(p)) {
return false;
}
start_wrapper_object(p);
}
if (p->top->f == NULL) {
multipart_startaccum(p);
return true;
@ -859,7 +947,7 @@ static bool start_stringval(upb_json_parser *p) {
}
}
static bool end_stringval(upb_json_parser *p) {
static bool end_stringval_nontop(upb_json_parser *p) {
bool ok = true;
if (p->top->f == NULL) {
@ -926,6 +1014,21 @@ static bool end_stringval(upb_json_parser *p) {
return ok;
}
static bool end_stringval(upb_json_parser *p) {
if (!end_stringval_nontop(p)) {
return false;
}
if (does_string_wrapper_end(p)) {
end_wrapper_object(p);
if (!is_top_level(p)) {
end_subobject(p);
}
}
return true;
}
static void start_member(upb_json_parser *p) {
UPB_ASSERT(!p->top->f);
multipart_startaccum(p);
@ -1109,6 +1212,10 @@ static void end_member(upb_json_parser *p) {
}
static bool start_subobject(upb_json_parser *p) {
if (is_top_level(p)) {
return true;
}
if (p->top->f == NULL) {
upb_jsonparser_frame *inner;
if (!check_stack(p)) return false;
@ -1172,6 +1279,10 @@ static bool start_subobject(upb_json_parser *p) {
}
static void end_subobject(upb_json_parser *p) {
if (is_top_level(p)) {
return;
}
if (p->top->is_map) {
upb_selector_t sel;
p->top--;
@ -1378,25 +1489,24 @@ static bool is_boolean_wrapper_object(upb_json_parser *p) {
* final state once, when the closing '"' is seen. */
#line 1557 "upb/json/parser.rl"
#line 1592 "upb/json/parser.rl"
#line 1386 "upb/json/parser.c"
#line 1497 "upb/json/parser.c"
static const char _json_actions[] = {
0, 1, 0, 1, 1, 1, 3, 1,
4, 1, 6, 1, 7, 1, 8, 1,
9, 1, 11, 1, 13, 1, 14, 1,
15, 1, 16, 1, 17, 1, 18, 1,
20, 1, 22, 1, 23, 1, 24, 1,
25, 1, 26, 1, 27, 1, 28, 1,
29, 1, 30, 2, 4, 9, 2, 5,
6, 2, 7, 3, 2, 7, 9, 2,
12, 10, 2, 14, 16, 2, 15, 16,
2, 19, 2, 2, 20, 30, 2, 21,
10, 2, 24, 30, 2, 26, 30, 2,
27, 30, 2, 29, 30, 3, 15, 12,
10
25, 1, 26, 1, 27, 1, 28, 2,
4, 9, 2, 5, 6, 2, 7, 3,
2, 7, 9, 2, 12, 10, 2, 14,
16, 2, 15, 16, 2, 19, 2, 2,
20, 28, 2, 21, 10, 2, 23, 28,
2, 24, 28, 2, 25, 28, 2, 27,
28, 3, 15, 12, 10
};
static const unsigned char _json_key_offsets[] = {
@ -1538,21 +1648,21 @@ static const char _json_trans_targs[] = {
};
static const char _json_trans_actions[] = {
0, 0, 78, 72, 27, 39, 0, 35,
45, 33, 17, 0, 29, 0, 0, 0,
0, 0, 74, 68, 27, 0, 0, 0,
41, 33, 17, 0, 29, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 23, 93, 69, 0, 63, 25, 19,
0, 0, 17, 21, 21, 66, 0, 0,
0, 23, 89, 65, 0, 59, 25, 19,
0, 0, 17, 21, 21, 62, 0, 0,
0, 0, 0, 3, 0, 0, 0, 0,
0, 5, 15, 0, 0, 51, 7, 13,
0, 54, 9, 9, 9, 57, 60, 11,
78, 72, 27, 39, 0, 35, 45, 33,
49, 75, 17, 0, 29, 0, 0, 0,
0, 0, 0, 84, 0, 0, 0, 87,
0, 0, 0, 81, 23, 93, 69, 0,
63, 25, 19, 0, 0, 17, 21, 21,
66, 0, 0, 90, 0, 31, 41, 43,
37, 47
0, 5, 15, 0, 0, 47, 7, 13,
0, 50, 9, 9, 9, 53, 56, 11,
74, 68, 27, 0, 0, 0, 41, 33,
45, 71, 17, 0, 29, 0, 0, 0,
0, 0, 0, 80, 0, 0, 0, 83,
0, 0, 0, 77, 23, 89, 65, 0,
59, 25, 19, 0, 0, 17, 21, 21,
62, 0, 0, 86, 0, 31, 37, 39,
35, 43
};
static const char _json_eof_actions[] = {
@ -1565,7 +1675,7 @@ static const char _json_eof_actions[] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 31,
41, 43, 37, 47, 0, 0, 0
37, 39, 35, 43, 0, 0, 0
};
static const int json_start = 1;
@ -1576,7 +1686,7 @@ static const int json_en_value_machine = 41;
static const int json_en_main = 1;
#line 1560 "upb/json/parser.rl"
#line 1595 "upb/json/parser.rl"
size_t parse(void *closure, const void *hd, const char *buf, size_t size,
const upb_bufhandle *handle) {
@ -1599,7 +1709,7 @@ size_t parse(void *closure, const void *hd, const char *buf, size_t size,
capture_resume(parser, buf);
#line 1603 "upb/json/parser.c"
#line 1713 "upb/json/parser.c"
{
int _klen;
unsigned int _trans;
@ -1674,200 +1784,118 @@ _match:
switch ( *_acts++ )
{
case 1:
#line 1395 "upb/json/parser.rl"
#line 1506 "upb/json/parser.rl"
{ p--; {cs = stack[--top]; goto _again;} }
break;
case 2:
#line 1397 "upb/json/parser.rl"
#line 1508 "upb/json/parser.rl"
{ p--; {stack[top++] = cs; cs = 24; goto _again;} }
break;
case 3:
#line 1401 "upb/json/parser.rl"
#line 1512 "upb/json/parser.rl"
{ start_text(parser, p); }
break;
case 4:
#line 1402 "upb/json/parser.rl"
#line 1513 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_text(parser, p)); }
break;
case 5:
#line 1408 "upb/json/parser.rl"
#line 1519 "upb/json/parser.rl"
{ start_hex(parser); }
break;
case 6:
#line 1409 "upb/json/parser.rl"
#line 1520 "upb/json/parser.rl"
{ hexdigit(parser, p); }
break;
case 7:
#line 1410 "upb/json/parser.rl"
#line 1521 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_hex(parser)); }
break;
case 8:
#line 1416 "upb/json/parser.rl"
#line 1527 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(escape(parser, p)); }
break;
case 9:
#line 1422 "upb/json/parser.rl"
#line 1533 "upb/json/parser.rl"
{ p--; {cs = stack[--top]; goto _again;} }
break;
case 10:
#line 1425 "upb/json/parser.rl"
#line 1536 "upb/json/parser.rl"
{ {stack[top++] = cs; cs = 33; goto _again;} }
break;
case 11:
#line 1427 "upb/json/parser.rl"
#line 1538 "upb/json/parser.rl"
{ p--; {stack[top++] = cs; cs = 41; goto _again;} }
break;
case 12:
#line 1432 "upb/json/parser.rl"
#line 1543 "upb/json/parser.rl"
{ start_member(parser); }
break;
case 13:
#line 1433 "upb/json/parser.rl"
#line 1544 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_membername(parser)); }
break;
case 14:
#line 1436 "upb/json/parser.rl"
#line 1547 "upb/json/parser.rl"
{ end_member(parser); }
break;
case 15:
#line 1442 "upb/json/parser.rl"
#line 1553 "upb/json/parser.rl"
{ start_object(parser); }
break;
case 16:
#line 1445 "upb/json/parser.rl"
#line 1556 "upb/json/parser.rl"
{ end_object(parser); }
break;
case 17:
#line 1451 "upb/json/parser.rl"
#line 1562 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(start_array(parser)); }
break;
case 18:
#line 1455 "upb/json/parser.rl"
#line 1566 "upb/json/parser.rl"
{ end_array(parser); }
break;
case 19:
#line 1460 "upb/json/parser.rl"
{
if (is_top_level(parser)) {
CHECK_RETURN_TOP(is_number_wrapper_object(parser));
start_wrapper_object(parser);
} else if (does_number_wrapper_start(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
start_wrapper_object(parser);
}
start_number(parser, p);
}
#line 1571 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(start_number(parser, p)); }
break;
case 20:
#line 1470 "upb/json/parser.rl"
{
CHECK_RETURN_TOP(end_number(parser, p));
if (does_number_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
#line 1572 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_number(parser, p)); }
break;
case 21:
#line 1480 "upb/json/parser.rl"
{
if (is_top_level(parser)) {
CHECK_RETURN_TOP(is_string_wrapper_object(parser));
start_wrapper_object(parser);
} else if (does_string_wrapper_start(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
start_wrapper_object(parser);
}
CHECK_RETURN_TOP(start_stringval(parser));
}
#line 1574 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(start_stringval(parser)); }
break;
case 22:
#line 1490 "upb/json/parser.rl"
{
CHECK_RETURN_TOP(end_stringval(parser));
if (does_string_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
#line 1575 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_stringval(parser)); }
break;
case 23:
#line 1500 "upb/json/parser.rl"
{
if (is_top_level(parser)) {
CHECK_RETURN_TOP(is_boolean_wrapper_object(parser));
start_wrapper_object(parser);
} else if (does_boolean_wrapper_start(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
start_wrapper_object(parser);
}
}
#line 1577 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_bool(parser, true)); }
break;
case 24:
#line 1509 "upb/json/parser.rl"
{
CHECK_RETURN_TOP(parser_putbool(parser, true));
if (does_boolean_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
#line 1579 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_bool(parser, false)); }
break;
case 25:
#line 1519 "upb/json/parser.rl"
{
if (is_top_level(parser)) {
CHECK_RETURN_TOP(is_boolean_wrapper_object(parser));
start_wrapper_object(parser);
} else if (does_boolean_wrapper_start(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
start_wrapper_object(parser);
}
}
#line 1581 "upb/json/parser.rl"
{ /* null value */ }
break;
case 26:
#line 1528 "upb/json/parser.rl"
{
CHECK_RETURN_TOP(parser_putbool(parser, false));
if (does_boolean_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
#line 1583 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(start_subobject(parser)); }
break;
case 27:
#line 1538 "upb/json/parser.rl"
{ /* null value */ }
#line 1584 "upb/json/parser.rl"
{ end_subobject(parser); }
break;
case 28:
#line 1540 "upb/json/parser.rl"
{
if (!is_top_level(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
}
}
break;
case 29:
#line 1545 "upb/json/parser.rl"
{
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
break;
case 30:
#line 1554 "upb/json/parser.rl"
#line 1589 "upb/json/parser.rl"
{ p--; {cs = stack[--top]; goto _again;} }
break;
#line 1871 "upb/json/parser.c"
#line 1899 "upb/json/parser.c"
}
}
@ -1884,7 +1912,7 @@ _again:
while ( __nacts-- > 0 ) {
switch ( *__acts++ ) {
case 0:
#line 1389 "upb/json/parser.rl"
#line 1500 "upb/json/parser.rl"
{
if (parser->ready_to_end) {
p--; {cs = stack[--top]; goto _again;}
@ -1892,52 +1920,24 @@ _again:
}
break;
case 20:
#line 1470 "upb/json/parser.rl"
{
CHECK_RETURN_TOP(end_number(parser, p));
if (does_number_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
#line 1572 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_number(parser, p)); }
break;
case 24:
#line 1509 "upb/json/parser.rl"
{
CHECK_RETURN_TOP(parser_putbool(parser, true));
if (does_boolean_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
case 23:
#line 1577 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_bool(parser, true)); }
break;
case 26:
#line 1528 "upb/json/parser.rl"
{
CHECK_RETURN_TOP(parser_putbool(parser, false));
if (does_boolean_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
case 24:
#line 1579 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_bool(parser, false)); }
break;
case 27:
#line 1538 "upb/json/parser.rl"
case 25:
#line 1581 "upb/json/parser.rl"
{ /* null value */ }
break;
case 29:
#line 1545 "upb/json/parser.rl"
{
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
case 27:
#line 1584 "upb/json/parser.rl"
{ end_subobject(parser); }
break;
#line 1943 "upb/json/parser.c"
}
@ -1947,7 +1947,7 @@ _again:
_out: {}
}
#line 1582 "upb/json/parser.rl"
#line 1617 "upb/json/parser.rl"
if (p != pe) {
upb_status_seterrf(&parser->status, "Parse error at '%.*s'\n", pe - p, p);
@ -1980,7 +1980,7 @@ bool end(void *closure, const void *hd) {
return parser->current_state >=
#line 1982 "upb/json/parser.c"
70
#line 1611 "upb/json/parser.rl"
#line 1646 "upb/json/parser.rl"
;
}
@ -2001,7 +2001,7 @@ static void json_parser_reset(upb_json_parser *p) {
top = 0;
}
#line 1625 "upb/json/parser.rl"
#line 1660 "upb/json/parser.rl"
p->current_state = cs;
p->parser_top = top;
accumulate_clear(p);

209
upb/json/parser.rl
Unescape View File

@ -40,6 +40,27 @@ static const char *kBoolValueFullMessageName = "google.protobuf.BoolValue";
static const char *kStringValueFullMessageName = "google.protobuf.StringValue";
static const char *kBytesValueFullMessageName = "google.protobuf.BytesValue";
/* Forward declare */
static bool is_top_level(upb_json_parser *p);
static bool is_number_wrapper_object(upb_json_parser *p);
static bool does_number_wrapper_start(upb_json_parser *p);
static bool does_number_wrapper_end(upb_json_parser *p);
static bool is_string_wrapper_object(upb_json_parser *p);
static bool does_string_wrapper_start(upb_json_parser *p);
static bool does_string_wrapper_end(upb_json_parser *p);
static bool is_boolean_wrapper_object(upb_json_parser *p);
static bool does_boolean_wrapper_start(upb_json_parser *p);
static bool does_boolean_wrapper_end(upb_json_parser *p);
static void start_wrapper_object(upb_json_parser *p);
static void end_wrapper_object(upb_json_parser *p);
static bool start_subobject(upb_json_parser *p);
static void end_subobject(upb_json_parser *p);
typedef struct {
upb_sink sink;
@ -618,14 +639,27 @@ static bool end_text(upb_json_parser *p, const char *ptr) {
return capture_end(p, ptr);
}
static void start_number(upb_json_parser *p, const char *ptr) {
static bool start_number(upb_json_parser *p, const char *ptr) {
if (is_top_level(p)) {
if (!is_number_wrapper_object(p)) {
return false;
}
start_wrapper_object(p);
} else if (does_number_wrapper_start(p)) {
if (!start_subobject(p)) {
return false;
}
start_wrapper_object(p);
}
multipart_startaccum(p);
capture_begin(p, ptr);
return true;
}
static bool parse_number(upb_json_parser *p, bool is_quoted);
static bool end_number(upb_json_parser *p, const char *ptr) {
static bool end_number_nontop(upb_json_parser *p, const char *ptr) {
if (!capture_end(p, ptr)) {
return false;
}
@ -638,6 +672,21 @@ static bool end_number(upb_json_parser *p, const char *ptr) {
return parse_number(p, false);
}
static bool end_number(upb_json_parser *p, const char *ptr) {
if (!end_number_nontop(p, ptr)) {
return false;
}
if (does_number_wrapper_end(p)) {
end_wrapper_object(p);
if (!is_top_level(p)) {
end_subobject(p);
}
}
return true;
}
/* |buf| is NULL-terminated. |buf| itself will never include quotes;
* |is_quoted| tells us whether this text originally appeared inside quotes. */
static bool parse_number_from_buffer(upb_json_parser *p, const char *buf,
@ -805,7 +854,46 @@ static bool parser_putbool(upb_json_parser *p, bool val) {
return true;
}
static bool end_bool(upb_json_parser *p, bool val) {
if (is_top_level(p)) {
if (!is_boolean_wrapper_object(p)) {
return false;
}
start_wrapper_object(p);
} else if (does_boolean_wrapper_start(p)) {
if (!start_subobject(p)) {
return false;
}
start_wrapper_object(p);
}
if (!parser_putbool(p, val)) {
return false;
}
if (does_boolean_wrapper_end(p)) {
end_wrapper_object(p);
if (!is_top_level(p)) {
end_subobject(p);
}
}
return true;
}
static bool start_stringval(upb_json_parser *p) {
if (is_top_level(p)) {
if (!is_string_wrapper_object(p)) {
return false;
}
start_wrapper_object(p);
} else if (does_string_wrapper_start(p)) {
if (!start_subobject(p)) {
return false;
}
start_wrapper_object(p);
}
if (p->top->f == NULL) {
multipart_startaccum(p);
return true;
@ -857,7 +945,7 @@ static bool start_stringval(upb_json_parser *p) {
}
}
static bool end_stringval(upb_json_parser *p) {
static bool end_stringval_nontop(upb_json_parser *p) {
bool ok = true;
if (p->top->f == NULL) {
@ -924,6 +1012,21 @@ static bool end_stringval(upb_json_parser *p) {
return ok;
}
static bool end_stringval(upb_json_parser *p) {
if (!end_stringval_nontop(p)) {
return false;
}
if (does_string_wrapper_end(p)) {
end_wrapper_object(p);
if (!is_top_level(p)) {
end_subobject(p);
}
}
return true;
}
static void start_member(upb_json_parser *p) {
UPB_ASSERT(!p->top->f);
multipart_startaccum(p);
@ -1107,6 +1210,10 @@ static void end_member(upb_json_parser *p) {
}
static bool start_subobject(upb_json_parser *p) {
if (is_top_level(p)) {
return true;
}
if (p->top->f == NULL) {
upb_jsonparser_frame *inner;
if (!check_stack(p)) return false;
@ -1170,6 +1277,10 @@ static bool start_subobject(upb_json_parser *p) {
}
static void end_subobject(upb_json_parser *p) {
if (is_top_level(p)) {
return;
}
if (p->top->is_map) {
upb_selector_t sel;
p->top--;
@ -1457,96 +1568,20 @@ static bool is_boolean_wrapper_object(upb_json_parser *p) {
value =
number
>{
if (is_top_level(parser)) {
CHECK_RETURN_TOP(is_number_wrapper_object(parser));
start_wrapper_object(parser);
} else if (does_number_wrapper_start(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
start_wrapper_object(parser);
}
start_number(parser, p);
}
%{
CHECK_RETURN_TOP(end_number(parser, p));
if (does_number_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
>{ CHECK_RETURN_TOP(start_number(parser, p)); }
%{ CHECK_RETURN_TOP(end_number(parser, p)); }
| string
>{
if (is_top_level(parser)) {
CHECK_RETURN_TOP(is_string_wrapper_object(parser));
start_wrapper_object(parser);
} else if (does_string_wrapper_start(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
start_wrapper_object(parser);
}
CHECK_RETURN_TOP(start_stringval(parser));
}
@{
CHECK_RETURN_TOP(end_stringval(parser));
if (does_string_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
>{ CHECK_RETURN_TOP(start_stringval(parser)); }
@{ CHECK_RETURN_TOP(end_stringval(parser)); }
| "true"
>{
if (is_top_level(parser)) {
CHECK_RETURN_TOP(is_boolean_wrapper_object(parser));
start_wrapper_object(parser);
} else if (does_boolean_wrapper_start(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
start_wrapper_object(parser);
}
}
%{
CHECK_RETURN_TOP(parser_putbool(parser, true));
if (does_boolean_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
%{ CHECK_RETURN_TOP(end_bool(parser, true)); }
| "false"
>{
if (is_top_level(parser)) {
CHECK_RETURN_TOP(is_boolean_wrapper_object(parser));
start_wrapper_object(parser);
} else if (does_boolean_wrapper_start(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
start_wrapper_object(parser);
}
}
%{
CHECK_RETURN_TOP(parser_putbool(parser, false));
if (does_boolean_wrapper_end(parser)) {
end_wrapper_object(parser);
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
}
%{ CHECK_RETURN_TOP(end_bool(parser, false)); }
| "null"
%{ /* null value */ }
| object
>{
if (!is_top_level(parser)) {
CHECK_RETURN_TOP(start_subobject(parser));
}
}
%{
if (!is_top_level(parser)) {
end_subobject(parser);
}
}
>{ CHECK_RETURN_TOP(start_subobject(parser)); }
%{ end_subobject(parser); }
| array;
value_machine :=

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