/* This file is automatically generated from parser.rl by using ragel */ #line 1 "parser.rl" #include "ruby.h" #include "../fbuffer/fbuffer.h" static VALUE mJSON, mExt, cParser, eNestingError, Encoding_UTF_8; static VALUE CNaN, CInfinity, CMinusInfinity; static ID i_json_creatable_p, i_json_create, i_create_id, i_chr, i_deep_const_get, i_match, i_aset, i_aref, i_leftshift, i_new, i_try_convert, i_uminus, i_encode; static VALUE sym_max_nesting, sym_allow_nan, sym_allow_trailing_comma, sym_symbolize_names, sym_freeze, sym_create_additions, sym_create_id, sym_object_class, sym_array_class, sym_decimal_class, sym_match_string; static int binary_encindex; static int utf8_encindex; #ifdef HAVE_RB_CATEGORY_WARN # define json_deprecated(message) rb_category_warn(RB_WARN_CATEGORY_DEPRECATED, message) #else # define json_deprecated(message) rb_warn(message) #endif static const char deprecated_create_additions_warning[] = "JSON.load implicit support for `create_additions: true` is deprecated " "and will be removed in 3.0, use JSON.unsafe_load or explicitly " "pass `create_additions: true`"; #ifndef HAVE_RB_GC_MARK_LOCATIONS // For TruffleRuby void rb_gc_mark_locations(const VALUE *start, const VALUE *end) { VALUE *value = start; while (value < end) { rb_gc_mark(*value); value++; } } #endif #ifndef HAVE_RB_HASH_BULK_INSERT // For TruffleRuby void rb_hash_bulk_insert(long count, const VALUE *pairs, VALUE hash) { long index = 0; while (index < count) { VALUE name = pairs[index++]; VALUE value = pairs[index++]; rb_hash_aset(hash, name, value); } RB_GC_GUARD(hash); } #endif /* name cache */ #include #include // Object names are likely to be repeated, and are frozen. // As such we can re-use them if we keep a cache of the ones we've seen so far, // and save much more expensive lookups into the global fstring table. // This cache implementation is deliberately simple, as we're optimizing for compactness, // to be able to fit safely on the stack. // As such, binary search into a sorted array gives a good tradeoff between compactness and // performance. #define JSON_RVALUE_CACHE_CAPA 63 typedef struct rvalue_cache_struct { int length; VALUE entries[JSON_RVALUE_CACHE_CAPA]; } rvalue_cache; static rb_encoding *enc_utf8; #define JSON_RVALUE_CACHE_MAX_ENTRY_LENGTH 55 static inline VALUE build_interned_string(const char *str, const long length) { # ifdef HAVE_RB_ENC_INTERNED_STR return rb_enc_interned_str(str, length, enc_utf8); # else VALUE rstring = rb_utf8_str_new(str, length); return rb_funcall(rb_str_freeze(rstring), i_uminus, 0); # endif } static inline VALUE build_symbol(const char *str, const long length) { return rb_str_intern(build_interned_string(str, length)); } static void rvalue_cache_insert_at(rvalue_cache *cache, int index, VALUE rstring) { MEMMOVE(&cache->entries[index + 1], &cache->entries[index], VALUE, cache->length - index); cache->length++; cache->entries[index] = rstring; } static inline int rstring_cache_cmp(const char *str, const long length, VALUE rstring) { long rstring_length = RSTRING_LEN(rstring); if (length == rstring_length) { return memcmp(str, RSTRING_PTR(rstring), length); } else { return (int)(length - rstring_length); } } static VALUE rstring_cache_fetch(rvalue_cache *cache, const char *str, const long length) { if (RB_UNLIKELY(length > JSON_RVALUE_CACHE_MAX_ENTRY_LENGTH)) { // Common names aren't likely to be very long. So we just don't // cache names above an arbitrary threshold. return Qfalse; } if (RB_UNLIKELY(!isalpha(str[0]))) { // Simple heuristic, if the first character isn't a letter, // we're much less likely to see this string again. // We mostly want to cache strings that are likely to be repeated. return Qfalse; } int low = 0; int high = cache->length - 1; int mid = 0; int last_cmp = 0; while (low <= high) { mid = (high + low) >> 1; VALUE entry = cache->entries[mid]; last_cmp = rstring_cache_cmp(str, length, entry); if (last_cmp == 0) { return entry; } else if (last_cmp > 0) { low = mid + 1; } else { high = mid - 1; } } if (RB_UNLIKELY(memchr(str, '\\', length))) { // We assume the overwhelming majority of names don't need to be escaped. // But if they do, we have to fallback to the slow path. return Qfalse; } VALUE rstring = build_interned_string(str, length); if (cache->length < JSON_RVALUE_CACHE_CAPA) { if (last_cmp > 0) { mid += 1; } rvalue_cache_insert_at(cache, mid, rstring); } return rstring; } static VALUE rsymbol_cache_fetch(rvalue_cache *cache, const char *str, const long length) { if (RB_UNLIKELY(length > JSON_RVALUE_CACHE_MAX_ENTRY_LENGTH)) { // Common names aren't likely to be very long. So we just don't // cache names above an arbitrary threshold. return Qfalse; } if (RB_UNLIKELY(!isalpha(str[0]))) { // Simple heuristic, if the first character isn't a letter, // we're much less likely to see this string again. // We mostly want to cache strings that are likely to be repeated. return Qfalse; } int low = 0; int high = cache->length - 1; int mid = 0; int last_cmp = 0; while (low <= high) { mid = (high + low) >> 1; VALUE entry = cache->entries[mid]; last_cmp = rstring_cache_cmp(str, length, rb_sym2str(entry)); if (last_cmp == 0) { return entry; } else if (last_cmp > 0) { low = mid + 1; } else { high = mid - 1; } } if (RB_UNLIKELY(memchr(str, '\\', length))) { // We assume the overwhelming majority of names don't need to be escaped. // But if they do, we have to fallback to the slow path. return Qfalse; } VALUE rsymbol = build_symbol(str, length); if (cache->length < JSON_RVALUE_CACHE_CAPA) { if (last_cmp > 0) { mid += 1; } rvalue_cache_insert_at(cache, mid, rsymbol); } return rsymbol; } /* rvalue stack */ #define RVALUE_STACK_INITIAL_CAPA 128 enum rvalue_stack_type { RVALUE_STACK_HEAP_ALLOCATED = 0, RVALUE_STACK_STACK_ALLOCATED = 1, }; typedef struct rvalue_stack_struct { enum rvalue_stack_type type; long capa; long head; VALUE *ptr; } rvalue_stack; static rvalue_stack *rvalue_stack_spill(rvalue_stack *old_stack, VALUE *handle, rvalue_stack **stack_ref); static rvalue_stack *rvalue_stack_grow(rvalue_stack *stack, VALUE *handle, rvalue_stack **stack_ref) { long required = stack->capa * 2; if (stack->type == RVALUE_STACK_STACK_ALLOCATED) { stack = rvalue_stack_spill(stack, handle, stack_ref); } else { REALLOC_N(stack->ptr, VALUE, required); stack->capa = required; } return stack; } static void rvalue_stack_push(rvalue_stack *stack, VALUE value, VALUE *handle, rvalue_stack **stack_ref) { if (RB_UNLIKELY(stack->head >= stack->capa)) { stack = rvalue_stack_grow(stack, handle, stack_ref); } stack->ptr[stack->head] = value; stack->head++; } static inline VALUE *rvalue_stack_peek(rvalue_stack *stack, long count) { return stack->ptr + (stack->head - count); } static inline void rvalue_stack_pop(rvalue_stack *stack, long count) { stack->head -= count; } static void rvalue_stack_mark(void *ptr) { rvalue_stack *stack = (rvalue_stack *)ptr; rb_gc_mark_locations(stack->ptr, stack->ptr + stack->head); } static void rvalue_stack_free(void *ptr) { rvalue_stack *stack = (rvalue_stack *)ptr; if (stack) { ruby_xfree(stack->ptr); ruby_xfree(stack); } } static size_t rvalue_stack_memsize(const void *ptr) { const rvalue_stack *stack = (const rvalue_stack *)ptr; return sizeof(rvalue_stack) + sizeof(VALUE) * stack->capa; } static const rb_data_type_t JSON_Parser_rvalue_stack_type = { "JSON::Ext::Parser/rvalue_stack", { .dmark = rvalue_stack_mark, .dfree = rvalue_stack_free, .dsize = rvalue_stack_memsize, }, 0, 0, RUBY_TYPED_FREE_IMMEDIATELY, }; static rvalue_stack *rvalue_stack_spill(rvalue_stack *old_stack, VALUE *handle, rvalue_stack **stack_ref) { rvalue_stack *stack; *handle = TypedData_Make_Struct(0, rvalue_stack, &JSON_Parser_rvalue_stack_type, stack); *stack_ref = stack; MEMCPY(stack, old_stack, rvalue_stack, 1); stack->capa = old_stack->capa << 1; stack->ptr = ALLOC_N(VALUE, stack->capa); stack->type = RVALUE_STACK_HEAP_ALLOCATED; MEMCPY(stack->ptr, old_stack->ptr, VALUE, old_stack->head); return stack; } static void rvalue_stack_eagerly_release(VALUE handle) { rvalue_stack *stack; TypedData_Get_Struct(handle, rvalue_stack, &JSON_Parser_rvalue_stack_type, stack); RTYPEDDATA_DATA(handle) = NULL; rvalue_stack_free(stack); } /* unicode */ static const signed char digit_values[256] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }; static uint32_t unescape_unicode(const unsigned char *p) { const uint32_t replacement_char = 0xFFFD; signed char b; uint32_t result = 0; b = digit_values[p[0]]; if (b < 0) return replacement_char; result = (result << 4) | (unsigned char)b; b = digit_values[p[1]]; if (b < 0) return replacement_char; result = (result << 4) | (unsigned char)b; b = digit_values[p[2]]; if (b < 0) return replacement_char; result = (result << 4) | (unsigned char)b; b = digit_values[p[3]]; if (b < 0) return replacement_char; result = (result << 4) | (unsigned char)b; return result; } static int convert_UTF32_to_UTF8(char *buf, uint32_t ch) { int len = 1; if (ch <= 0x7F) { buf[0] = (char) ch; } else if (ch <= 0x07FF) { buf[0] = (char) ((ch >> 6) | 0xC0); buf[1] = (char) ((ch & 0x3F) | 0x80); len++; } else if (ch <= 0xFFFF) { buf[0] = (char) ((ch >> 12) | 0xE0); buf[1] = (char) (((ch >> 6) & 0x3F) | 0x80); buf[2] = (char) ((ch & 0x3F) | 0x80); len += 2; } else if (ch <= 0x1fffff) { buf[0] =(char) ((ch >> 18) | 0xF0); buf[1] =(char) (((ch >> 12) & 0x3F) | 0x80); buf[2] =(char) (((ch >> 6) & 0x3F) | 0x80); buf[3] =(char) ((ch & 0x3F) | 0x80); len += 3; } else { buf[0] = '?'; } return len; } typedef struct JSON_ParserStruct { VALUE Vsource; char *source; long len; char *memo; VALUE create_id; VALUE object_class; VALUE array_class; VALUE decimal_class; VALUE match_string; FBuffer fbuffer; int in_array; int max_nesting; bool allow_nan; bool allow_trailing_comma; bool parsing_name; bool symbolize_names; bool freeze; bool create_additions; bool deprecated_create_additions; rvalue_cache name_cache; rvalue_stack *stack; VALUE stack_handle; } JSON_Parser; #define GET_PARSER \ GET_PARSER_INIT; \ if (!json->Vsource) rb_raise(rb_eTypeError, "uninitialized instance") #define GET_PARSER_INIT \ JSON_Parser *json; \ TypedData_Get_Struct(self, JSON_Parser, &JSON_Parser_type, json) #define MinusInfinity "-Infinity" #define EVIL 0x666 static const rb_data_type_t JSON_Parser_type; static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result); static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting); static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting); static char *JSON_parse_number(JSON_Parser *json, char *p, char *pe, VALUE *result); static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting); #define PARSE_ERROR_FRAGMENT_LEN 32 #ifdef RBIMPL_ATTR_NORETURN RBIMPL_ATTR_NORETURN() #endif static void raise_parse_error(const char *format, const char *start) { char buffer[PARSE_ERROR_FRAGMENT_LEN + 1]; size_t len = strnlen(start, PARSE_ERROR_FRAGMENT_LEN); const char *ptr = start; if (len == PARSE_ERROR_FRAGMENT_LEN) { MEMCPY(buffer, start, char, PARSE_ERROR_FRAGMENT_LEN); buffer[PARSE_ERROR_FRAGMENT_LEN] = '\0'; ptr = buffer; } rb_enc_raise(enc_utf8, rb_path2class("JSON::ParserError"), format, ptr); } #line 475 "parser.rl" #line 457 "parser.c" enum {JSON_object_start = 1}; enum {JSON_object_first_final = 32}; enum {JSON_object_error = 0}; enum {JSON_object_en_main = 1}; #line 515 "parser.rl" #define PUSH(result) rvalue_stack_push(json->stack, result, &json->stack_handle, &json->stack) static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting) { int cs = EVIL; if (json->max_nesting && current_nesting > json->max_nesting) { rb_raise(eNestingError, "nesting of %d is too deep", current_nesting); } long stack_head = json->stack->head; #line 481 "parser.c" { cs = JSON_object_start; } #line 530 "parser.rl" #line 488 "parser.c" { short _widec; if ( p == pe ) goto _test_eof; switch ( cs ) { case 1: if ( (*p) == 123 ) goto st2; goto st0; st0: cs = 0; goto _out; st2: if ( ++p == pe ) goto _test_eof2; case 2: switch( (*p) ) { case 13: goto st2; case 32: goto st2; case 34: goto tr2; case 47: goto st28; case 125: goto tr4; } if ( 9 <= (*p) && (*p) <= 10 ) goto st2; goto st0; tr2: #line 494 "parser.rl" { char *np; json->parsing_name = true; np = JSON_parse_string(json, p, pe, result); json->parsing_name = false; if (np == NULL) { p--; {p++; cs = 3; goto _out;} } else { PUSH(*result); {p = (( np))-1;} } } goto st3; st3: if ( ++p == pe ) goto _test_eof3; case 3: #line 533 "parser.c" switch( (*p) ) { case 13: goto st3; case 32: goto st3; case 47: goto st4; case 58: goto st8; } if ( 9 <= (*p) && (*p) <= 10 ) goto st3; goto st0; st4: if ( ++p == pe ) goto _test_eof4; case 4: switch( (*p) ) { case 42: goto st5; case 47: goto st7; } goto st0; st5: if ( ++p == pe ) goto _test_eof5; case 5: if ( (*p) == 42 ) goto st6; goto st5; st6: if ( ++p == pe ) goto _test_eof6; case 6: switch( (*p) ) { case 42: goto st6; case 47: goto st3; } goto st5; st7: if ( ++p == pe ) goto _test_eof7; case 7: if ( (*p) == 10 ) goto st3; goto st7; st8: if ( ++p == pe ) goto _test_eof8; case 8: switch( (*p) ) { case 13: goto st8; case 32: goto st8; case 34: goto tr11; case 45: goto tr11; case 47: goto st24; case 73: goto tr11; case 78: goto tr11; case 91: goto tr11; case 102: goto tr11; case 110: goto tr11; case 116: goto tr11; case 123: goto tr11; } if ( (*p) > 10 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto tr11; } else if ( (*p) >= 9 ) goto st8; goto st0; tr11: #line 483 "parser.rl" { char *np = JSON_parse_value(json, p, pe, result, current_nesting); if (np == NULL) { p--; {p++; cs = 9; goto _out;} } else { {p = (( np))-1;} } } goto st9; st9: if ( ++p == pe ) goto _test_eof9; case 9: #line 614 "parser.c" _widec = (*p); if ( (*p) < 13 ) { if ( (*p) > 9 ) { if ( 10 <= (*p) && (*p) <= 10 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) >= 9 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) > 13 ) { if ( (*p) < 44 ) { if ( 32 <= (*p) && (*p) <= 32 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) > 44 ) { if ( 47 <= (*p) && (*p) <= 47 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 125: goto tr4; case 269: goto st10; case 288: goto st10; case 300: goto st11; case 303: goto st16; case 525: goto st9; case 544: goto st9; case 556: goto st2; case 559: goto st20; } if ( _widec > 266 ) { if ( 521 <= _widec && _widec <= 522 ) goto st9; } else if ( _widec >= 265 ) goto st10; goto st0; tr4: #line 505 "parser.rl" { p--; {p++; cs = 32; goto _out;} } goto st32; st32: if ( ++p == pe ) goto _test_eof32; case 32: #line 682 "parser.c" goto st0; st10: if ( ++p == pe ) goto _test_eof10; case 10: switch( (*p) ) { case 13: goto st10; case 32: goto st10; case 44: goto st11; case 47: goto st16; case 125: goto tr4; } if ( 9 <= (*p) && (*p) <= 10 ) goto st10; goto st0; st11: if ( ++p == pe ) goto _test_eof11; case 11: switch( (*p) ) { case 13: goto st11; case 32: goto st11; case 34: goto tr2; case 47: goto st12; } if ( 9 <= (*p) && (*p) <= 10 ) goto st11; goto st0; st12: if ( ++p == pe ) goto _test_eof12; case 12: switch( (*p) ) { case 42: goto st13; case 47: goto st15; } goto st0; st13: if ( ++p == pe ) goto _test_eof13; case 13: if ( (*p) == 42 ) goto st14; goto st13; st14: if ( ++p == pe ) goto _test_eof14; case 14: switch( (*p) ) { case 42: goto st14; case 47: goto st11; } goto st13; st15: if ( ++p == pe ) goto _test_eof15; case 15: if ( (*p) == 10 ) goto st11; goto st15; st16: if ( ++p == pe ) goto _test_eof16; case 16: switch( (*p) ) { case 42: goto st17; case 47: goto st19; } goto st0; st17: if ( ++p == pe ) goto _test_eof17; case 17: if ( (*p) == 42 ) goto st18; goto st17; st18: if ( ++p == pe ) goto _test_eof18; case 18: switch( (*p) ) { case 42: goto st18; case 47: goto st10; } goto st17; st19: if ( ++p == pe ) goto _test_eof19; case 19: if ( (*p) == 10 ) goto st10; goto st19; st20: if ( ++p == pe ) goto _test_eof20; case 20: _widec = (*p); if ( (*p) > 42 ) { if ( 47 <= (*p) && (*p) <= 47 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) >= 42 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 298: goto st17; case 303: goto st19; case 554: goto st21; case 559: goto st23; } goto st0; st21: if ( ++p == pe ) goto _test_eof21; case 21: _widec = (*p); if ( (*p) < 42 ) { if ( (*p) <= 41 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) > 42 ) { if ( 43 <= (*p) ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 298: goto st18; case 554: goto st22; } if ( _widec > 383 ) { if ( 384 <= _widec && _widec <= 639 ) goto st21; } else if ( _widec >= 128 ) goto st17; goto st0; st22: if ( ++p == pe ) goto _test_eof22; case 22: _widec = (*p); if ( (*p) < 43 ) { if ( (*p) > 41 ) { if ( 42 <= (*p) && (*p) <= 42 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) > 46 ) { if ( (*p) > 47 ) { if ( 48 <= (*p) ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) >= 47 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 298: goto st18; case 303: goto st10; case 554: goto st22; case 559: goto st9; } if ( _widec > 383 ) { if ( 384 <= _widec && _widec <= 639 ) goto st21; } else if ( _widec >= 128 ) goto st17; goto st0; st23: if ( ++p == pe ) goto _test_eof23; case 23: _widec = (*p); if ( (*p) < 10 ) { if ( (*p) <= 9 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) > 10 ) { if ( 11 <= (*p) ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 492 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 266: goto st10; case 522: goto st9; } if ( _widec > 383 ) { if ( 384 <= _widec && _widec <= 639 ) goto st23; } else if ( _widec >= 128 ) goto st19; goto st0; st24: if ( ++p == pe ) goto _test_eof24; case 24: switch( (*p) ) { case 42: goto st25; case 47: goto st27; } goto st0; st25: if ( ++p == pe ) goto _test_eof25; case 25: if ( (*p) == 42 ) goto st26; goto st25; st26: if ( ++p == pe ) goto _test_eof26; case 26: switch( (*p) ) { case 42: goto st26; case 47: goto st8; } goto st25; st27: if ( ++p == pe ) goto _test_eof27; case 27: if ( (*p) == 10 ) goto st8; goto st27; st28: if ( ++p == pe ) goto _test_eof28; case 28: switch( (*p) ) { case 42: goto st29; case 47: goto st31; } goto st0; st29: if ( ++p == pe ) goto _test_eof29; case 29: if ( (*p) == 42 ) goto st30; goto st29; st30: if ( ++p == pe ) goto _test_eof30; case 30: switch( (*p) ) { case 42: goto st30; case 47: goto st2; } goto st29; st31: if ( ++p == pe ) goto _test_eof31; case 31: if ( (*p) == 10 ) goto st2; goto st31; } _test_eof2: cs = 2; goto _test_eof; _test_eof3: cs = 3; goto _test_eof; _test_eof4: cs = 4; goto _test_eof; _test_eof5: cs = 5; goto _test_eof; _test_eof6: cs = 6; goto _test_eof; _test_eof7: cs = 7; goto _test_eof; _test_eof8: cs = 8; goto _test_eof; _test_eof9: cs = 9; goto _test_eof; _test_eof32: cs = 32; goto _test_eof; _test_eof10: cs = 10; goto _test_eof; _test_eof11: cs = 11; goto _test_eof; _test_eof12: cs = 12; goto _test_eof; _test_eof13: cs = 13; goto _test_eof; _test_eof14: cs = 14; goto _test_eof; _test_eof15: cs = 15; goto _test_eof; _test_eof16: cs = 16; goto _test_eof; _test_eof17: cs = 17; goto _test_eof; _test_eof18: cs = 18; goto _test_eof; _test_eof19: cs = 19; goto _test_eof; _test_eof20: cs = 20; goto _test_eof; _test_eof21: cs = 21; goto _test_eof; _test_eof22: cs = 22; goto _test_eof; _test_eof23: cs = 23; goto _test_eof; _test_eof24: cs = 24; goto _test_eof; _test_eof25: cs = 25; goto _test_eof; _test_eof26: cs = 26; goto _test_eof; _test_eof27: cs = 27; goto _test_eof; _test_eof28: cs = 28; goto _test_eof; _test_eof29: cs = 29; goto _test_eof; _test_eof30: cs = 30; goto _test_eof; _test_eof31: cs = 31; goto _test_eof; _test_eof: {} _out: {} } #line 531 "parser.rl" if (cs >= JSON_object_first_final) { long count = json->stack->head - stack_head; if (RB_UNLIKELY(json->object_class)) { VALUE object = rb_class_new_instance(0, 0, json->object_class); long index = 0; VALUE *items = rvalue_stack_peek(json->stack, count); while (index < count) { VALUE name = items[index++]; VALUE value = items[index++]; rb_funcall(object, i_aset, 2, name, value); } *result = object; } else { VALUE hash; #ifdef HAVE_RB_HASH_NEW_CAPA hash = rb_hash_new_capa(count >> 1); #else hash = rb_hash_new(); #endif rb_hash_bulk_insert(count, rvalue_stack_peek(json->stack, count), hash); *result = hash; } rvalue_stack_pop(json->stack, count); if (RB_UNLIKELY(json->create_additions)) { VALUE klassname; if (json->object_class) { klassname = rb_funcall(*result, i_aref, 1, json->create_id); } else { klassname = rb_hash_aref(*result, json->create_id); } if (!NIL_P(klassname)) { VALUE klass = rb_funcall(mJSON, i_deep_const_get, 1, klassname); if (RTEST(rb_funcall(klass, i_json_creatable_p, 0))) { if (json->deprecated_create_additions) { json_deprecated(deprecated_create_additions_warning); } *result = rb_funcall(klass, i_json_create, 1, *result); } } } return p + 1; } else { return NULL; } } #line 1073 "parser.c" enum {JSON_value_start = 1}; enum {JSON_value_first_final = 29}; enum {JSON_value_error = 0}; enum {JSON_value_en_main = 1}; #line 664 "parser.rl" static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting) { int cs = EVIL; #line 1089 "parser.c" { cs = JSON_value_start; } #line 671 "parser.rl" #line 1096 "parser.c" { if ( p == pe ) goto _test_eof; switch ( cs ) { st1: if ( ++p == pe ) goto _test_eof1; case 1: switch( (*p) ) { case 13: goto st1; case 32: goto st1; case 34: goto tr2; case 45: goto tr3; case 47: goto st6; case 73: goto st10; case 78: goto st17; case 91: goto tr7; case 102: goto st19; case 110: goto st23; case 116: goto st26; case 123: goto tr11; } if ( (*p) > 10 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto tr3; } else if ( (*p) >= 9 ) goto st1; goto st0; st0: cs = 0; goto _out; tr2: #line 609 "parser.rl" { char *np = JSON_parse_string(json, p, pe, result); if (np == NULL) { p--; {p++; cs = 29; goto _out;} } else { {p = (( np))-1;} } } goto st29; tr3: #line 619 "parser.rl" { char *np; if(pe > p + 8 && !strncmp(MinusInfinity, p, 9)) { if (json->allow_nan) { *result = CMinusInfinity; {p = (( p + 10))-1;} p--; {p++; cs = 29; goto _out;} } else { raise_parse_error("unexpected token at '%s'", p); } } np = JSON_parse_number(json, p, pe, result); if (np != NULL) { {p = (( np))-1;} } p--; {p++; cs = 29; goto _out;} } goto st29; tr7: #line 637 "parser.rl" { char *np; json->in_array++; np = JSON_parse_array(json, p, pe, result, current_nesting + 1); json->in_array--; if (np == NULL) { p--; {p++; cs = 29; goto _out;} } else {p = (( np))-1;} } goto st29; tr11: #line 645 "parser.rl" { char *np; np = JSON_parse_object(json, p, pe, result, current_nesting + 1); if (np == NULL) { p--; {p++; cs = 29; goto _out;} } else {p = (( np))-1;} } goto st29; tr25: #line 602 "parser.rl" { if (json->allow_nan) { *result = CInfinity; } else { raise_parse_error("unexpected token at '%s'", p - 7); } } goto st29; tr27: #line 595 "parser.rl" { if (json->allow_nan) { *result = CNaN; } else { raise_parse_error("unexpected token at '%s'", p - 2); } } goto st29; tr31: #line 589 "parser.rl" { *result = Qfalse; } goto st29; tr34: #line 586 "parser.rl" { *result = Qnil; } goto st29; tr37: #line 592 "parser.rl" { *result = Qtrue; } goto st29; st29: if ( ++p == pe ) goto _test_eof29; case 29: #line 651 "parser.rl" { p--; {p++; cs = 29; goto _out;} } #line 1223 "parser.c" switch( (*p) ) { case 13: goto st29; case 32: goto st29; case 47: goto st2; } if ( 9 <= (*p) && (*p) <= 10 ) goto st29; goto st0; st2: if ( ++p == pe ) goto _test_eof2; case 2: switch( (*p) ) { case 42: goto st3; case 47: goto st5; } goto st0; st3: if ( ++p == pe ) goto _test_eof3; case 3: if ( (*p) == 42 ) goto st4; goto st3; st4: if ( ++p == pe ) goto _test_eof4; case 4: switch( (*p) ) { case 42: goto st4; case 47: goto st29; } goto st3; st5: if ( ++p == pe ) goto _test_eof5; case 5: if ( (*p) == 10 ) goto st29; goto st5; st6: if ( ++p == pe ) goto _test_eof6; case 6: switch( (*p) ) { case 42: goto st7; case 47: goto st9; } goto st0; st7: if ( ++p == pe ) goto _test_eof7; case 7: if ( (*p) == 42 ) goto st8; goto st7; st8: if ( ++p == pe ) goto _test_eof8; case 8: switch( (*p) ) { case 42: goto st8; case 47: goto st1; } goto st7; st9: if ( ++p == pe ) goto _test_eof9; case 9: if ( (*p) == 10 ) goto st1; goto st9; st10: if ( ++p == pe ) goto _test_eof10; case 10: if ( (*p) == 110 ) goto st11; goto st0; st11: if ( ++p == pe ) goto _test_eof11; case 11: if ( (*p) == 102 ) goto st12; goto st0; st12: if ( ++p == pe ) goto _test_eof12; case 12: if ( (*p) == 105 ) goto st13; goto st0; st13: if ( ++p == pe ) goto _test_eof13; case 13: if ( (*p) == 110 ) goto st14; goto st0; st14: if ( ++p == pe ) goto _test_eof14; case 14: if ( (*p) == 105 ) goto st15; goto st0; st15: if ( ++p == pe ) goto _test_eof15; case 15: if ( (*p) == 116 ) goto st16; goto st0; st16: if ( ++p == pe ) goto _test_eof16; case 16: if ( (*p) == 121 ) goto tr25; goto st0; st17: if ( ++p == pe ) goto _test_eof17; case 17: if ( (*p) == 97 ) goto st18; goto st0; st18: if ( ++p == pe ) goto _test_eof18; case 18: if ( (*p) == 78 ) goto tr27; goto st0; st19: if ( ++p == pe ) goto _test_eof19; case 19: if ( (*p) == 97 ) goto st20; goto st0; st20: if ( ++p == pe ) goto _test_eof20; case 20: if ( (*p) == 108 ) goto st21; goto st0; st21: if ( ++p == pe ) goto _test_eof21; case 21: if ( (*p) == 115 ) goto st22; goto st0; st22: if ( ++p == pe ) goto _test_eof22; case 22: if ( (*p) == 101 ) goto tr31; goto st0; st23: if ( ++p == pe ) goto _test_eof23; case 23: if ( (*p) == 117 ) goto st24; goto st0; st24: if ( ++p == pe ) goto _test_eof24; case 24: if ( (*p) == 108 ) goto st25; goto st0; st25: if ( ++p == pe ) goto _test_eof25; case 25: if ( (*p) == 108 ) goto tr34; goto st0; st26: if ( ++p == pe ) goto _test_eof26; case 26: if ( (*p) == 114 ) goto st27; goto st0; st27: if ( ++p == pe ) goto _test_eof27; case 27: if ( (*p) == 117 ) goto st28; goto st0; st28: if ( ++p == pe ) goto _test_eof28; case 28: if ( (*p) == 101 ) goto tr37; goto st0; } _test_eof1: cs = 1; goto _test_eof; _test_eof29: cs = 29; goto _test_eof; _test_eof2: cs = 2; goto _test_eof; _test_eof3: cs = 3; goto _test_eof; _test_eof4: cs = 4; goto _test_eof; _test_eof5: cs = 5; goto _test_eof; _test_eof6: cs = 6; goto _test_eof; _test_eof7: cs = 7; goto _test_eof; _test_eof8: cs = 8; goto _test_eof; _test_eof9: cs = 9; goto _test_eof; _test_eof10: cs = 10; goto _test_eof; _test_eof11: cs = 11; goto _test_eof; _test_eof12: cs = 12; goto _test_eof; _test_eof13: cs = 13; goto _test_eof; _test_eof14: cs = 14; goto _test_eof; _test_eof15: cs = 15; goto _test_eof; _test_eof16: cs = 16; goto _test_eof; _test_eof17: cs = 17; goto _test_eof; _test_eof18: cs = 18; goto _test_eof; _test_eof19: cs = 19; goto _test_eof; _test_eof20: cs = 20; goto _test_eof; _test_eof21: cs = 21; goto _test_eof; _test_eof22: cs = 22; goto _test_eof; _test_eof23: cs = 23; goto _test_eof; _test_eof24: cs = 24; goto _test_eof; _test_eof25: cs = 25; goto _test_eof; _test_eof26: cs = 26; goto _test_eof; _test_eof27: cs = 27; goto _test_eof; _test_eof28: cs = 28; goto _test_eof; _test_eof: {} _out: {} } #line 672 "parser.rl" if (json->freeze) { OBJ_FREEZE(*result); } if (cs >= JSON_value_first_final) { PUSH(*result); return p; } else { return NULL; } } #line 1479 "parser.c" enum {JSON_integer_start = 1}; enum {JSON_integer_first_final = 3}; enum {JSON_integer_error = 0}; enum {JSON_integer_en_main = 1}; #line 693 "parser.rl" #define MAX_FAST_INTEGER_SIZE 18 static inline VALUE fast_parse_integer(char *p, char *pe) { bool negative = false; if (*p == '-') { negative = true; p++; } long long memo = 0; while (p < pe) { memo *= 10; memo += *p - '0'; p++; } if (negative) { memo = -memo; } return LL2NUM(memo); } static char *JSON_decode_integer(JSON_Parser *json, char *p, VALUE *result) { long len = p - json->memo; if (RB_LIKELY(len < MAX_FAST_INTEGER_SIZE)) { *result = fast_parse_integer(json->memo, p); } else { fbuffer_clear(&json->fbuffer); fbuffer_append(&json->fbuffer, json->memo, len); fbuffer_append_char(&json->fbuffer, '\0'); *result = rb_cstr2inum(FBUFFER_PTR(&json->fbuffer), 10); } return p + 1; } #line 1527 "parser.c" enum {JSON_float_start = 1}; enum {JSON_float_first_final = 6}; enum {JSON_float_error = 0}; enum {JSON_float_en_main = 1}; #line 745 "parser.rl" static char *JSON_parse_number(JSON_Parser *json, char *p, char *pe, VALUE *result) { int cs = EVIL; bool is_float = false; #line 1544 "parser.c" { cs = JSON_float_start; } #line 753 "parser.rl" json->memo = p; #line 1552 "parser.c" { if ( p == pe ) goto _test_eof; switch ( cs ) { case 1: switch( (*p) ) { case 45: goto st2; case 48: goto st6; } if ( 49 <= (*p) && (*p) <= 57 ) goto st10; goto st0; st0: cs = 0; goto _out; st2: if ( ++p == pe ) goto _test_eof2; case 2: if ( (*p) == 48 ) goto st6; if ( 49 <= (*p) && (*p) <= 57 ) goto st10; goto st0; st6: if ( ++p == pe ) goto _test_eof6; case 6: switch( (*p) ) { case 45: goto st0; case 46: goto tr8; case 69: goto tr9; case 101: goto tr9; } if ( 48 <= (*p) && (*p) <= 57 ) goto st0; goto tr7; tr7: #line 737 "parser.rl" { p--; {p++; cs = 7; goto _out;} } goto st7; st7: if ( ++p == pe ) goto _test_eof7; case 7: #line 1599 "parser.c" goto st0; tr8: #line 738 "parser.rl" { is_float = true; } goto st3; st3: if ( ++p == pe ) goto _test_eof3; case 3: #line 1609 "parser.c" if ( 48 <= (*p) && (*p) <= 57 ) goto st8; goto st0; st8: if ( ++p == pe ) goto _test_eof8; case 8: switch( (*p) ) { case 69: goto st4; case 101: goto st4; } if ( (*p) > 46 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto st8; } else if ( (*p) >= 45 ) goto st0; goto tr7; tr9: #line 738 "parser.rl" { is_float = true; } goto st4; st4: if ( ++p == pe ) goto _test_eof4; case 4: #line 1635 "parser.c" switch( (*p) ) { case 43: goto st5; case 45: goto st5; } if ( 48 <= (*p) && (*p) <= 57 ) goto st9; goto st0; st5: if ( ++p == pe ) goto _test_eof5; case 5: if ( 48 <= (*p) && (*p) <= 57 ) goto st9; goto st0; st9: if ( ++p == pe ) goto _test_eof9; case 9: switch( (*p) ) { case 69: goto st0; case 101: goto st0; } if ( (*p) > 46 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto st9; } else if ( (*p) >= 45 ) goto st0; goto tr7; st10: if ( ++p == pe ) goto _test_eof10; case 10: switch( (*p) ) { case 45: goto st0; case 46: goto tr8; case 69: goto tr9; case 101: goto tr9; } if ( 48 <= (*p) && (*p) <= 57 ) goto st10; goto tr7; } _test_eof2: cs = 2; goto _test_eof; _test_eof6: cs = 6; goto _test_eof; _test_eof7: cs = 7; goto _test_eof; _test_eof3: cs = 3; goto _test_eof; _test_eof8: cs = 8; goto _test_eof; _test_eof4: cs = 4; goto _test_eof; _test_eof5: cs = 5; goto _test_eof; _test_eof9: cs = 9; goto _test_eof; _test_eof10: cs = 10; goto _test_eof; _test_eof: {} _out: {} } #line 755 "parser.rl" if (cs >= JSON_float_first_final) { if (!is_float) { return JSON_decode_integer(json, p, result); } VALUE mod = Qnil; ID method_id = 0; if (json->decimal_class) { if (rb_respond_to(json->decimal_class, i_try_convert)) { mod = json->decimal_class; method_id = i_try_convert; } else if (rb_respond_to(json->decimal_class, i_new)) { mod = json->decimal_class; method_id = i_new; } else if (RB_TYPE_P(json->decimal_class, T_CLASS)) { VALUE name = rb_class_name(json->decimal_class); const char *name_cstr = RSTRING_PTR(name); const char *last_colon = strrchr(name_cstr, ':'); if (last_colon) { const char *mod_path_end = last_colon - 1; VALUE mod_path = rb_str_substr(name, 0, mod_path_end - name_cstr); mod = rb_path_to_class(mod_path); const char *method_name_beg = last_colon + 1; long before_len = method_name_beg - name_cstr; long len = RSTRING_LEN(name) - before_len; VALUE method_name = rb_str_substr(name, before_len, len); method_id = SYM2ID(rb_str_intern(method_name)); } else { mod = rb_mKernel; method_id = SYM2ID(rb_str_intern(name)); } } } long len = p - json->memo; fbuffer_clear(&json->fbuffer); fbuffer_append(&json->fbuffer, json->memo, len); fbuffer_append_char(&json->fbuffer, '\0'); if (method_id) { VALUE text = rb_str_new2(FBUFFER_PTR(&json->fbuffer)); *result = rb_funcallv(mod, method_id, 1, &text); } else { *result = DBL2NUM(rb_cstr_to_dbl(FBUFFER_PTR(&json->fbuffer), 1)); } return p + 1; } else { return NULL; } } #line 1748 "parser.c" enum {JSON_array_start = 1}; enum {JSON_array_first_final = 22}; enum {JSON_array_error = 0}; enum {JSON_array_en_main = 1}; #line 835 "parser.rl" static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting) { int cs = EVIL; if (json->max_nesting && current_nesting > json->max_nesting) { rb_raise(eNestingError, "nesting of %d is too deep", current_nesting); } long stack_head = json->stack->head; #line 1769 "parser.c" { cs = JSON_array_start; } #line 847 "parser.rl" #line 1776 "parser.c" { short _widec; if ( p == pe ) goto _test_eof; switch ( cs ) { case 1: if ( (*p) == 91 ) goto st2; goto st0; st0: cs = 0; goto _out; st2: if ( ++p == pe ) goto _test_eof2; case 2: switch( (*p) ) { case 13: goto st2; case 32: goto st2; case 34: goto tr2; case 45: goto tr2; case 47: goto st18; case 73: goto tr2; case 78: goto tr2; case 91: goto tr2; case 93: goto tr4; case 102: goto tr2; case 110: goto tr2; case 116: goto tr2; case 123: goto tr2; } if ( (*p) > 10 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto tr2; } else if ( (*p) >= 9 ) goto st2; goto st0; tr2: #line 815 "parser.rl" { VALUE v = Qnil; char *np = JSON_parse_value(json, p, pe, &v, current_nesting); if (np == NULL) { p--; {p++; cs = 3; goto _out;} } else { {p = (( np))-1;} } } goto st3; st3: if ( ++p == pe ) goto _test_eof3; case 3: #line 1831 "parser.c" _widec = (*p); if ( 44 <= (*p) && (*p) <= 44 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 13: goto st3; case 32: goto st3; case 47: goto st4; case 93: goto tr4; case 300: goto st8; case 556: goto st13; } if ( 9 <= _widec && _widec <= 10 ) goto st3; goto st0; st4: if ( ++p == pe ) goto _test_eof4; case 4: switch( (*p) ) { case 42: goto st5; case 47: goto st7; } goto st0; st5: if ( ++p == pe ) goto _test_eof5; case 5: if ( (*p) == 42 ) goto st6; goto st5; st6: if ( ++p == pe ) goto _test_eof6; case 6: switch( (*p) ) { case 42: goto st6; case 47: goto st3; } goto st5; st7: if ( ++p == pe ) goto _test_eof7; case 7: if ( (*p) == 10 ) goto st3; goto st7; tr4: #line 827 "parser.rl" { p--; {p++; cs = 22; goto _out;} } goto st22; st22: if ( ++p == pe ) goto _test_eof22; case 22: #line 1890 "parser.c" goto st0; st8: if ( ++p == pe ) goto _test_eof8; case 8: switch( (*p) ) { case 13: goto st8; case 32: goto st8; case 34: goto tr2; case 45: goto tr2; case 47: goto st9; case 73: goto tr2; case 78: goto tr2; case 91: goto tr2; case 102: goto tr2; case 110: goto tr2; case 116: goto tr2; case 123: goto tr2; } if ( (*p) > 10 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto tr2; } else if ( (*p) >= 9 ) goto st8; goto st0; st9: if ( ++p == pe ) goto _test_eof9; case 9: switch( (*p) ) { case 42: goto st10; case 47: goto st12; } goto st0; st10: if ( ++p == pe ) goto _test_eof10; case 10: if ( (*p) == 42 ) goto st11; goto st10; st11: if ( ++p == pe ) goto _test_eof11; case 11: switch( (*p) ) { case 42: goto st11; case 47: goto st8; } goto st10; st12: if ( ++p == pe ) goto _test_eof12; case 12: if ( (*p) == 10 ) goto st8; goto st12; st13: if ( ++p == pe ) goto _test_eof13; case 13: _widec = (*p); if ( (*p) < 13 ) { if ( (*p) > 9 ) { if ( 10 <= (*p) && (*p) <= 10 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) >= 9 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) > 13 ) { if ( (*p) > 32 ) { if ( 47 <= (*p) && (*p) <= 47 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) >= 32 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 34: goto tr2; case 45: goto tr2; case 73: goto tr2; case 78: goto tr2; case 91: goto tr2; case 93: goto tr4; case 102: goto tr2; case 110: goto tr2; case 116: goto tr2; case 123: goto tr2; case 269: goto st8; case 288: goto st8; case 303: goto st9; case 525: goto st13; case 544: goto st13; case 559: goto st14; } if ( _widec < 265 ) { if ( 48 <= _widec && _widec <= 57 ) goto tr2; } else if ( _widec > 266 ) { if ( 521 <= _widec && _widec <= 522 ) goto st13; } else goto st8; goto st0; st14: if ( ++p == pe ) goto _test_eof14; case 14: _widec = (*p); if ( (*p) > 42 ) { if ( 47 <= (*p) && (*p) <= 47 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) >= 42 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 298: goto st10; case 303: goto st12; case 554: goto st15; case 559: goto st17; } goto st0; st15: if ( ++p == pe ) goto _test_eof15; case 15: _widec = (*p); if ( (*p) < 42 ) { if ( (*p) <= 41 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) > 42 ) { if ( 43 <= (*p) ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 298: goto st11; case 554: goto st16; } if ( _widec > 383 ) { if ( 384 <= _widec && _widec <= 639 ) goto st15; } else if ( _widec >= 128 ) goto st10; goto st0; st16: if ( ++p == pe ) goto _test_eof16; case 16: _widec = (*p); if ( (*p) < 43 ) { if ( (*p) > 41 ) { if ( 42 <= (*p) && (*p) <= 42 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) > 46 ) { if ( (*p) > 47 ) { if ( 48 <= (*p) ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) >= 47 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 298: goto st11; case 303: goto st8; case 554: goto st16; case 559: goto st13; } if ( _widec > 383 ) { if ( 384 <= _widec && _widec <= 639 ) goto st15; } else if ( _widec >= 128 ) goto st10; goto st0; st17: if ( ++p == pe ) goto _test_eof17; case 17: _widec = (*p); if ( (*p) < 10 ) { if ( (*p) <= 9 ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else if ( (*p) > 10 ) { if ( 11 <= (*p) ) { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } } else { _widec = (short)(128 + ((*p) - -128)); if ( #line 825 "parser.rl" json->allow_trailing_comma ) _widec += 256; } switch( _widec ) { case 266: goto st8; case 522: goto st13; } if ( _widec > 383 ) { if ( 384 <= _widec && _widec <= 639 ) goto st17; } else if ( _widec >= 128 ) goto st12; goto st0; st18: if ( ++p == pe ) goto _test_eof18; case 18: switch( (*p) ) { case 42: goto st19; case 47: goto st21; } goto st0; st19: if ( ++p == pe ) goto _test_eof19; case 19: if ( (*p) == 42 ) goto st20; goto st19; st20: if ( ++p == pe ) goto _test_eof20; case 20: switch( (*p) ) { case 42: goto st20; case 47: goto st2; } goto st19; st21: if ( ++p == pe ) goto _test_eof21; case 21: if ( (*p) == 10 ) goto st2; goto st21; } _test_eof2: cs = 2; goto _test_eof; _test_eof3: cs = 3; goto _test_eof; _test_eof4: cs = 4; goto _test_eof; _test_eof5: cs = 5; goto _test_eof; _test_eof6: cs = 6; goto _test_eof; _test_eof7: cs = 7; goto _test_eof; _test_eof22: cs = 22; goto _test_eof; _test_eof8: cs = 8; goto _test_eof; _test_eof9: cs = 9; goto _test_eof; _test_eof10: cs = 10; goto _test_eof; _test_eof11: cs = 11; goto _test_eof; _test_eof12: cs = 12; goto _test_eof; _test_eof13: cs = 13; goto _test_eof; _test_eof14: cs = 14; goto _test_eof; _test_eof15: cs = 15; goto _test_eof; _test_eof16: cs = 16; goto _test_eof; _test_eof17: cs = 17; goto _test_eof; _test_eof18: cs = 18; goto _test_eof; _test_eof19: cs = 19; goto _test_eof; _test_eof20: cs = 20; goto _test_eof; _test_eof21: cs = 21; goto _test_eof; _test_eof: {} _out: {} } #line 848 "parser.rl" if(cs >= JSON_array_first_final) { long count = json->stack->head - stack_head; if (RB_UNLIKELY(json->array_class)) { VALUE array = rb_class_new_instance(0, 0, json->array_class); VALUE *items = rvalue_stack_peek(json->stack, count); long index; for (index = 0; index < count; index++) { rb_funcall(array, i_leftshift, 1, items[index]); } *result = array; } else { VALUE array = rb_ary_new_from_values(count, rvalue_stack_peek(json->stack, count)); *result = array; } rvalue_stack_pop(json->stack, count); return p + 1; } else { raise_parse_error("unexpected token at '%s'", p); return NULL; } } static inline VALUE build_string(const char *start, const char *end, bool intern, bool symbolize) { if (symbolize) { intern = true; } VALUE result; # ifdef HAVE_RB_ENC_INTERNED_STR if (intern) { result = rb_enc_interned_str(start, (long)(end - start), enc_utf8); } else { result = rb_utf8_str_new(start, (long)(end - start)); } # else result = rb_utf8_str_new(start, (long)(end - start)); if (intern) { result = rb_funcall(rb_str_freeze(result), i_uminus, 0); } # endif if (symbolize) { result = rb_str_intern(result); } return result; } static VALUE json_string_fastpath(JSON_Parser *json, char *string, char *stringEnd, bool is_name, bool intern, bool symbolize) { size_t bufferSize = stringEnd - string; if (is_name && json->in_array) { VALUE cached_key; if (RB_UNLIKELY(symbolize)) { cached_key = rsymbol_cache_fetch(&json->name_cache, string, bufferSize); } else { cached_key = rstring_cache_fetch(&json->name_cache, string, bufferSize); } if (RB_LIKELY(cached_key)) { return cached_key; } } return build_string(string, stringEnd, intern, symbolize); } static VALUE json_string_unescape(JSON_Parser *json, char *string, char *stringEnd, bool is_name, bool intern, bool symbolize) { size_t bufferSize = stringEnd - string; char *p = string, *pe = string, *unescape, *bufferStart, *buffer; int unescape_len; char buf[4]; if (is_name && json->in_array) { VALUE cached_key; if (RB_UNLIKELY(symbolize)) { cached_key = rsymbol_cache_fetch(&json->name_cache, string, bufferSize); } else { cached_key = rstring_cache_fetch(&json->name_cache, string, bufferSize); } if (RB_LIKELY(cached_key)) { return cached_key; } } pe = memchr(p, '\\', bufferSize); if (RB_UNLIKELY(pe == NULL)) { return build_string(string, stringEnd, intern, symbolize); } VALUE result = rb_str_buf_new(bufferSize); rb_enc_associate_index(result, utf8_encindex); buffer = bufferStart = RSTRING_PTR(result); while (pe < stringEnd) { if (*pe == '\\') { unescape = (char *) "?"; unescape_len = 1; if (pe > p) { MEMCPY(buffer, p, char, pe - p); buffer += pe - p; } switch (*++pe) { case 'n': unescape = (char *) "\n"; break; case 'r': unescape = (char *) "\r"; break; case 't': unescape = (char *) "\t"; break; case '"': unescape = (char *) "\""; break; case '\\': unescape = (char *) "\\"; break; case 'b': unescape = (char *) "\b"; break; case 'f': unescape = (char *) "\f"; break; case 'u': if (pe > stringEnd - 4) { raise_parse_error("incomplete unicode character escape sequence at '%s'", p); } else { uint32_t ch = unescape_unicode((unsigned char *) ++pe); pe += 3; /* To handle values above U+FFFF, we take a sequence of * \uXXXX escapes in the U+D800..U+DBFF then * U+DC00..U+DFFF ranges, take the low 10 bits from each * to make a 20-bit number, then add 0x10000 to get the * final codepoint. * * See Unicode 15: 3.8 "Surrogates", 5.3 "Handling * Surrogate Pairs in UTF-16", and 23.6 "Surrogates * Area". */ if ((ch & 0xFC00) == 0xD800) { pe++; if (pe > stringEnd - 6) { raise_parse_error("incomplete surrogate pair at '%s'", p); } if (pe[0] == '\\' && pe[1] == 'u') { uint32_t sur = unescape_unicode((unsigned char *) pe + 2); ch = (((ch & 0x3F) << 10) | ((((ch >> 6) & 0xF) + 1) << 16) | (sur & 0x3FF)); pe += 5; } else { unescape = (char *) "?"; break; } } unescape_len = convert_UTF32_to_UTF8(buf, ch); unescape = buf; } break; default: p = pe; continue; } MEMCPY(buffer, unescape, char, unescape_len); buffer += unescape_len; p = ++pe; } else { pe++; } } if (pe > p) { MEMCPY(buffer, p, char, pe - p); buffer += pe - p; } rb_str_set_len(result, buffer - bufferStart); if (symbolize) { result = rb_str_intern(result); } else if (intern) { result = rb_funcall(rb_str_freeze(result), i_uminus, 0); } return result; } #line 2413 "parser.c" enum {JSON_string_start = 1}; enum {JSON_string_first_final = 9}; enum {JSON_string_error = 0}; enum {JSON_string_en_main = 1}; #line 1071 "parser.rl" static int match_i(VALUE regexp, VALUE klass, VALUE memo) { if (regexp == Qundef) return ST_STOP; if (RTEST(rb_funcall(klass, i_json_creatable_p, 0)) && RTEST(rb_funcall(regexp, i_match, 1, rb_ary_entry(memo, 0)))) { rb_ary_push(memo, klass); return ST_STOP; } return ST_CONTINUE; } static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result) { int cs = EVIL; VALUE match_string; #line 2442 "parser.c" { cs = JSON_string_start; } #line 1091 "parser.rl" json->memo = p; #line 2450 "parser.c" { if ( p == pe ) goto _test_eof; switch ( cs ) { case 1: if ( (*p) == 34 ) goto st2; goto st0; st0: cs = 0; goto _out; st2: if ( ++p == pe ) goto _test_eof2; case 2: switch( (*p) ) { case 34: goto tr2; case 92: goto st3; } if ( 0 <= (signed char)(*(p)) && (*(p)) <= 31 ) goto st0; goto st2; tr2: #line 1053 "parser.rl" { *result = json_string_fastpath(json, json->memo + 1, p, json->parsing_name, json->parsing_name || json-> freeze, json->parsing_name && json->symbolize_names); {p = (( p + 1))-1;} p--; {p++; cs = 9; goto _out;} } #line 1046 "parser.rl" { *result = json_string_unescape(json, json->memo + 1, p, json->parsing_name, json->parsing_name || json-> freeze, json->parsing_name && json->symbolize_names); {p = (( p + 1))-1;} p--; {p++; cs = 9; goto _out;} } goto st9; tr6: #line 1046 "parser.rl" { *result = json_string_unescape(json, json->memo + 1, p, json->parsing_name, json->parsing_name || json-> freeze, json->parsing_name && json->symbolize_names); {p = (( p + 1))-1;} p--; {p++; cs = 9; goto _out;} } goto st9; st9: if ( ++p == pe ) goto _test_eof9; case 9: #line 2503 "parser.c" goto st0; st3: if ( ++p == pe ) goto _test_eof3; case 3: if ( (*p) == 117 ) goto st5; if ( 0 <= (signed char)(*(p)) && (*(p)) <= 31 ) goto st0; goto st4; st4: if ( ++p == pe ) goto _test_eof4; case 4: switch( (*p) ) { case 34: goto tr6; case 92: goto st3; } if ( 0 <= (signed char)(*(p)) && (*(p)) <= 31 ) goto st0; goto st4; st5: if ( ++p == pe ) goto _test_eof5; case 5: if ( (*p) < 65 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto st6; } else if ( (*p) > 70 ) { if ( 97 <= (*p) && (*p) <= 102 ) goto st6; } else goto st6; goto st0; st6: if ( ++p == pe ) goto _test_eof6; case 6: if ( (*p) < 65 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto st7; } else if ( (*p) > 70 ) { if ( 97 <= (*p) && (*p) <= 102 ) goto st7; } else goto st7; goto st0; st7: if ( ++p == pe ) goto _test_eof7; case 7: if ( (*p) < 65 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto st8; } else if ( (*p) > 70 ) { if ( 97 <= (*p) && (*p) <= 102 ) goto st8; } else goto st8; goto st0; st8: if ( ++p == pe ) goto _test_eof8; case 8: if ( (*p) < 65 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto st4; } else if ( (*p) > 70 ) { if ( 97 <= (*p) && (*p) <= 102 ) goto st4; } else goto st4; goto st0; } _test_eof2: cs = 2; goto _test_eof; _test_eof9: cs = 9; goto _test_eof; _test_eof3: cs = 3; goto _test_eof; _test_eof4: cs = 4; goto _test_eof; _test_eof5: cs = 5; goto _test_eof; _test_eof6: cs = 6; goto _test_eof; _test_eof7: cs = 7; goto _test_eof; _test_eof8: cs = 8; goto _test_eof; _test_eof: {} _out: {} } #line 1093 "parser.rl" if (json->create_additions && RTEST(match_string = json->match_string)) { VALUE klass; VALUE memo = rb_ary_new2(2); rb_ary_push(memo, *result); rb_hash_foreach(match_string, match_i, memo); klass = rb_ary_entry(memo, 1); if (RTEST(klass)) { *result = rb_funcall(klass, i_json_create, 1, *result); } } if (cs >= JSON_string_first_final) { return p + 1; } else { return NULL; } } /* * Document-class: JSON::Ext::Parser * * This is the JSON parser implemented as a C extension. It can be configured * to be used by setting * * JSON.parser = JSON::Ext::Parser * * with the method parser= in JSON. * */ static VALUE convert_encoding(VALUE source) { int encindex = RB_ENCODING_GET(source); if (RB_LIKELY(encindex == utf8_encindex)) { return source; } if (encindex == binary_encindex) { // For historical reason, we silently reinterpret binary strings as UTF-8 return rb_enc_associate_index(rb_str_dup(source), utf8_encindex); } return rb_funcall(source, i_encode, 1, Encoding_UTF_8); } static int configure_parser_i(VALUE key, VALUE val, VALUE data) { JSON_Parser *json = (JSON_Parser *)data; if (key == sym_max_nesting) { json->max_nesting = RTEST(val) ? FIX2INT(val) : 0; } else if (key == sym_allow_nan) { json->allow_nan = RTEST(val); } else if (key == sym_allow_trailing_comma) { json->allow_trailing_comma = RTEST(val); } else if (key == sym_symbolize_names) { json->symbolize_names = RTEST(val); } else if (key == sym_freeze) { json->freeze = RTEST(val); } else if (key == sym_create_id) { json->create_id = RTEST(val) ? val : Qfalse; } else if (key == sym_object_class) { json->object_class = RTEST(val) ? val : Qfalse; } else if (key == sym_array_class) { json->array_class = RTEST(val) ? val : Qfalse; } else if (key == sym_decimal_class) { json->decimal_class = RTEST(val) ? val : Qfalse; } else if (key == sym_match_string) { json->match_string = RTEST(val) ? val : Qfalse; } else if (key == sym_create_additions) { if (NIL_P(val)) { json->create_additions = true; json->deprecated_create_additions = true; } else { json->create_additions = RTEST(val); json->deprecated_create_additions = false; } } return ST_CONTINUE; } static void parser_init(JSON_Parser *json, VALUE source, VALUE opts) { if (json->Vsource) { rb_raise(rb_eTypeError, "already initialized instance"); } json->fbuffer.initial_length = FBUFFER_INITIAL_LENGTH_DEFAULT; json->max_nesting = 100; if (!NIL_P(opts)) { Check_Type(opts, T_HASH); if (RHASH_SIZE(opts) > 0) { // We assume in most cases few keys are set so it's faster to go over // the provided keys than to check all possible keys. rb_hash_foreach(opts, configure_parser_i, (VALUE)json); if (json->symbolize_names && json->create_additions) { rb_raise(rb_eArgError, "options :symbolize_names and :create_additions cannot be " " used in conjunction"); } if (json->create_additions && !json->create_id) { json->create_id = rb_funcall(mJSON, i_create_id, 0); } } } source = convert_encoding(StringValue(source)); StringValue(source); json->len = RSTRING_LEN(source); json->source = RSTRING_PTR(source); json->Vsource = source; } /* * call-seq: new(source, opts => {}) * * Creates a new JSON::Ext::Parser instance for the string _source_. * * It will be configured by the _opts_ hash. _opts_ can have the following * keys: * * _opts_ can have the following keys: * * *max_nesting*: The maximum depth of nesting allowed in the parsed data * structures. Disable depth checking with :max_nesting => false|nil|0, it * defaults to 100. * * *allow_nan*: If set to true, allow NaN, Infinity and -Infinity in * defiance of RFC 4627 to be parsed by the Parser. This option defaults to * false. * * *symbolize_names*: If set to true, returns symbols for the names * (keys) in a JSON object. Otherwise strings are returned, which is * also the default. It's not possible to use this option in * conjunction with the *create_additions* option. * * *create_additions*: If set to false, the Parser doesn't create * additions even if a matching class and create_id was found. This option * defaults to false. * * *object_class*: Defaults to Hash. If another type is provided, it will be used * instead of Hash to represent JSON objects. The type must respond to * +new+ without arguments, and return an object that respond to +[]=+. * * *array_class*: Defaults to Array If another type is provided, it will be used * instead of Hash to represent JSON arrays. The type must respond to * +new+ without arguments, and return an object that respond to +<<+. * * *decimal_class*: Specifies which class to use instead of the default * (Float) when parsing decimal numbers. This class must accept a single * string argument in its constructor. */ static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self) { GET_PARSER_INIT; rb_check_arity(argc, 1, 2); parser_init(json, argv[0], argc == 2 ? argv[1] : Qnil); return self; } #line 2744 "parser.c" enum {JSON_start = 1}; enum {JSON_first_final = 10}; enum {JSON_error = 0}; enum {JSON_en_main = 1}; #line 1259 "parser.rl" /* * call-seq: parse() * * Parses the current JSON text _source_ and returns the complete data * structure as a result. * It raises JSON::ParserError if fail to parse. */ static VALUE cParser_parse(VALUE self) { char *p, *pe; int cs = EVIL; VALUE result = Qnil; GET_PARSER; char stack_buffer[FBUFFER_STACK_SIZE]; fbuffer_stack_init(&json->fbuffer, FBUFFER_INITIAL_LENGTH_DEFAULT, stack_buffer, FBUFFER_STACK_SIZE); VALUE rvalue_stack_buffer[RVALUE_STACK_INITIAL_CAPA]; rvalue_stack stack = { .type = RVALUE_STACK_STACK_ALLOCATED, .ptr = rvalue_stack_buffer, .capa = RVALUE_STACK_INITIAL_CAPA, }; json->stack = &stack; #line 2781 "parser.c" { cs = JSON_start; } #line 1287 "parser.rl" p = json->source; pe = p + json->len; #line 2790 "parser.c" { if ( p == pe ) goto _test_eof; switch ( cs ) { st1: if ( ++p == pe ) goto _test_eof1; case 1: switch( (*p) ) { case 13: goto st1; case 32: goto st1; case 34: goto tr2; case 45: goto tr2; case 47: goto st6; case 73: goto tr2; case 78: goto tr2; case 91: goto tr2; case 102: goto tr2; case 110: goto tr2; case 116: goto tr2; case 123: goto tr2; } if ( (*p) > 10 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto tr2; } else if ( (*p) >= 9 ) goto st1; goto st0; st0: cs = 0; goto _out; tr2: #line 1251 "parser.rl" { char *np = JSON_parse_value(json, p, pe, &result, 0); if (np == NULL) { p--; {p++; cs = 10; goto _out;} } else {p = (( np))-1;} } goto st10; st10: if ( ++p == pe ) goto _test_eof10; case 10: #line 2834 "parser.c" switch( (*p) ) { case 13: goto st10; case 32: goto st10; case 47: goto st2; } if ( 9 <= (*p) && (*p) <= 10 ) goto st10; goto st0; st2: if ( ++p == pe ) goto _test_eof2; case 2: switch( (*p) ) { case 42: goto st3; case 47: goto st5; } goto st0; st3: if ( ++p == pe ) goto _test_eof3; case 3: if ( (*p) == 42 ) goto st4; goto st3; st4: if ( ++p == pe ) goto _test_eof4; case 4: switch( (*p) ) { case 42: goto st4; case 47: goto st10; } goto st3; st5: if ( ++p == pe ) goto _test_eof5; case 5: if ( (*p) == 10 ) goto st10; goto st5; st6: if ( ++p == pe ) goto _test_eof6; case 6: switch( (*p) ) { case 42: goto st7; case 47: goto st9; } goto st0; st7: if ( ++p == pe ) goto _test_eof7; case 7: if ( (*p) == 42 ) goto st8; goto st7; st8: if ( ++p == pe ) goto _test_eof8; case 8: switch( (*p) ) { case 42: goto st8; case 47: goto st1; } goto st7; st9: if ( ++p == pe ) goto _test_eof9; case 9: if ( (*p) == 10 ) goto st1; goto st9; } _test_eof1: cs = 1; goto _test_eof; _test_eof10: cs = 10; goto _test_eof; _test_eof2: cs = 2; goto _test_eof; _test_eof3: cs = 3; goto _test_eof; _test_eof4: cs = 4; goto _test_eof; _test_eof5: cs = 5; goto _test_eof; _test_eof6: cs = 6; goto _test_eof; _test_eof7: cs = 7; goto _test_eof; _test_eof8: cs = 8; goto _test_eof; _test_eof9: cs = 9; goto _test_eof; _test_eof: {} _out: {} } #line 1290 "parser.rl" if (json->stack_handle) { rvalue_stack_eagerly_release(json->stack_handle); } if (cs >= JSON_first_final && p == pe) { return result; } else { raise_parse_error("unexpected token at '%s'", p); return Qnil; } } static VALUE cParser_m_parse(VALUE klass, VALUE source, VALUE opts) { char *p, *pe; int cs = EVIL; VALUE result = Qnil; JSON_Parser _parser = {0}; JSON_Parser *json = &_parser; parser_init(json, source, opts); char stack_buffer[FBUFFER_STACK_SIZE]; fbuffer_stack_init(&json->fbuffer, FBUFFER_INITIAL_LENGTH_DEFAULT, stack_buffer, FBUFFER_STACK_SIZE); VALUE rvalue_stack_buffer[RVALUE_STACK_INITIAL_CAPA]; rvalue_stack stack = { .type = RVALUE_STACK_STACK_ALLOCATED, .ptr = rvalue_stack_buffer, .capa = RVALUE_STACK_INITIAL_CAPA, }; json->stack = &stack; #line 2959 "parser.c" { cs = JSON_start; } #line 1325 "parser.rl" p = json->source; pe = p + json->len; #line 2968 "parser.c" { if ( p == pe ) goto _test_eof; switch ( cs ) { st1: if ( ++p == pe ) goto _test_eof1; case 1: switch( (*p) ) { case 13: goto st1; case 32: goto st1; case 34: goto tr2; case 45: goto tr2; case 47: goto st6; case 73: goto tr2; case 78: goto tr2; case 91: goto tr2; case 102: goto tr2; case 110: goto tr2; case 116: goto tr2; case 123: goto tr2; } if ( (*p) > 10 ) { if ( 48 <= (*p) && (*p) <= 57 ) goto tr2; } else if ( (*p) >= 9 ) goto st1; goto st0; st0: cs = 0; goto _out; tr2: #line 1251 "parser.rl" { char *np = JSON_parse_value(json, p, pe, &result, 0); if (np == NULL) { p--; {p++; cs = 10; goto _out;} } else {p = (( np))-1;} } goto st10; st10: if ( ++p == pe ) goto _test_eof10; case 10: #line 3012 "parser.c" switch( (*p) ) { case 13: goto st10; case 32: goto st10; case 47: goto st2; } if ( 9 <= (*p) && (*p) <= 10 ) goto st10; goto st0; st2: if ( ++p == pe ) goto _test_eof2; case 2: switch( (*p) ) { case 42: goto st3; case 47: goto st5; } goto st0; st3: if ( ++p == pe ) goto _test_eof3; case 3: if ( (*p) == 42 ) goto st4; goto st3; st4: if ( ++p == pe ) goto _test_eof4; case 4: switch( (*p) ) { case 42: goto st4; case 47: goto st10; } goto st3; st5: if ( ++p == pe ) goto _test_eof5; case 5: if ( (*p) == 10 ) goto st10; goto st5; st6: if ( ++p == pe ) goto _test_eof6; case 6: switch( (*p) ) { case 42: goto st7; case 47: goto st9; } goto st0; st7: if ( ++p == pe ) goto _test_eof7; case 7: if ( (*p) == 42 ) goto st8; goto st7; st8: if ( ++p == pe ) goto _test_eof8; case 8: switch( (*p) ) { case 42: goto st8; case 47: goto st1; } goto st7; st9: if ( ++p == pe ) goto _test_eof9; case 9: if ( (*p) == 10 ) goto st1; goto st9; } _test_eof1: cs = 1; goto _test_eof; _test_eof10: cs = 10; goto _test_eof; _test_eof2: cs = 2; goto _test_eof; _test_eof3: cs = 3; goto _test_eof; _test_eof4: cs = 4; goto _test_eof; _test_eof5: cs = 5; goto _test_eof; _test_eof6: cs = 6; goto _test_eof; _test_eof7: cs = 7; goto _test_eof; _test_eof8: cs = 8; goto _test_eof; _test_eof9: cs = 9; goto _test_eof; _test_eof: {} _out: {} } #line 1328 "parser.rl" if (json->stack_handle) { rvalue_stack_eagerly_release(json->stack_handle); } if (cs >= JSON_first_final && p == pe) { return result; } else { raise_parse_error("unexpected token at '%s'", p); return Qnil; } } static void JSON_mark(void *ptr) { JSON_Parser *json = ptr; rb_gc_mark(json->Vsource); rb_gc_mark(json->create_id); rb_gc_mark(json->object_class); rb_gc_mark(json->array_class); rb_gc_mark(json->decimal_class); rb_gc_mark(json->match_string); rb_gc_mark(json->stack_handle); const VALUE *name_cache_entries = &json->name_cache.entries[0]; rb_gc_mark_locations(name_cache_entries, name_cache_entries + json->name_cache.length); } static void JSON_free(void *ptr) { JSON_Parser *json = ptr; fbuffer_free(&json->fbuffer); ruby_xfree(json); } static size_t JSON_memsize(const void *ptr) { const JSON_Parser *json = ptr; return sizeof(*json) + FBUFFER_CAPA(&json->fbuffer); } static const rb_data_type_t JSON_Parser_type = { "JSON/Parser", {JSON_mark, JSON_free, JSON_memsize,}, 0, 0, RUBY_TYPED_FREE_IMMEDIATELY, }; static VALUE cJSON_parser_s_allocate(VALUE klass) { JSON_Parser *json; VALUE obj = TypedData_Make_Struct(klass, JSON_Parser, &JSON_Parser_type, json); fbuffer_stack_init(&json->fbuffer, 0, NULL, 0); return obj; } /* * call-seq: source() * * Returns a copy of the current _source_ string, that was used to construct * this Parser. */ static VALUE cParser_source(VALUE self) { GET_PARSER; return rb_str_dup(json->Vsource); } void Init_parser(void) { #ifdef HAVE_RB_EXT_RACTOR_SAFE rb_ext_ractor_safe(true); #endif #undef rb_intern rb_require("json/common"); mJSON = rb_define_module("JSON"); mExt = rb_define_module_under(mJSON, "Ext"); cParser = rb_define_class_under(mExt, "Parser", rb_cObject); eNestingError = rb_path2class("JSON::NestingError"); rb_gc_register_mark_object(eNestingError); rb_define_alloc_func(cParser, cJSON_parser_s_allocate); rb_define_method(cParser, "initialize", cParser_initialize, -1); rb_define_method(cParser, "parse", cParser_parse, 0); rb_define_method(cParser, "source", cParser_source, 0); rb_define_singleton_method(cParser, "parse", cParser_m_parse, 2); CNaN = rb_const_get(mJSON, rb_intern("NaN")); rb_gc_register_mark_object(CNaN); CInfinity = rb_const_get(mJSON, rb_intern("Infinity")); rb_gc_register_mark_object(CInfinity); CMinusInfinity = rb_const_get(mJSON, rb_intern("MinusInfinity")); rb_gc_register_mark_object(CMinusInfinity); rb_global_variable(&Encoding_UTF_8); Encoding_UTF_8 = rb_const_get(rb_path2class("Encoding"), rb_intern("UTF_8")); sym_max_nesting = ID2SYM(rb_intern("max_nesting")); sym_allow_nan = ID2SYM(rb_intern("allow_nan")); sym_allow_trailing_comma = ID2SYM(rb_intern("allow_trailing_comma")); sym_symbolize_names = ID2SYM(rb_intern("symbolize_names")); sym_freeze = ID2SYM(rb_intern("freeze")); sym_create_additions = ID2SYM(rb_intern("create_additions")); sym_create_id = ID2SYM(rb_intern("create_id")); sym_object_class = ID2SYM(rb_intern("object_class")); sym_array_class = ID2SYM(rb_intern("array_class")); sym_decimal_class = ID2SYM(rb_intern("decimal_class")); sym_match_string = ID2SYM(rb_intern("match_string")); i_create_id = rb_intern("create_id"); i_json_creatable_p = rb_intern("json_creatable?"); i_json_create = rb_intern("json_create"); i_chr = rb_intern("chr"); i_match = rb_intern("match"); i_deep_const_get = rb_intern("deep_const_get"); i_aset = rb_intern("[]="); i_aref = rb_intern("[]"); i_leftshift = rb_intern("<<"); i_new = rb_intern("new"); i_try_convert = rb_intern("try_convert"); i_uminus = rb_intern("-@"); i_encode = rb_intern("encode"); binary_encindex = rb_ascii8bit_encindex(); utf8_encindex = rb_utf8_encindex(); enc_utf8 = rb_utf8_encoding(); } /* * Local variables: * mode: c * c-file-style: ruby * indent-tabs-mode: nil * End: */