Ruby 2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)

parser.h
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1 #ifndef _PARSER_H_
2 #define _PARSER_H_
3
4 #include "ruby.h"
5
6 #ifndef HAVE_RUBY_RE_H
7 #include "re.h"
8 #endif
9
10 #ifdef HAVE_RUBY_ST_H
11 #include "ruby/st.h"
12 #else
13 #include "st.h"
14 #endif
15
16 #define option_given_p(opts, key) RTEST(rb_funcall(opts, i_key_p, 1, key))
17
18 /* unicode */
19
20 typedef unsigned long UTF32; /* at least 32 bits */
21 typedef unsigned short UTF16; /* at least 16 bits */
22 typedef unsigned char UTF8; /* typically 8 bits */
23
24 #define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
25 #define UNI_SUR_HIGH_START (UTF32)0xD800
26 #define UNI_SUR_HIGH_END (UTF32)0xDBFF
27 #define UNI_SUR_LOW_START (UTF32)0xDC00
28 #define UNI_SUR_LOW_END (UTF32)0xDFFF
29
30 typedef struct JSON_ParserStruct {
31 VALUE Vsource;
32 char *source;
33 long len;
34 char *memo;
35 VALUE create_id;
36 int max_nesting;
37 int allow_nan;
38 int parsing_name;
39 int symbolize_names;
40 VALUE object_class;
41 VALUE array_class;
42 VALUE decimal_class;
43 int create_additions;
44 VALUE match_string;
45 FBuffer *fbuffer;
46 } JSON_Parser;
47
48 #define GET_PARSER \
49 GET_PARSER_INIT; \
50 if (!json->Vsource) rb_raise(rb_eTypeError, "uninitialized instance")
51 #define GET_PARSER_INIT \
52 JSON_Parser *json; \
53 TypedData_Get_Struct(self, JSON_Parser, &JSON_Parser_type, json)
54
55 #define MinusInfinity "-Infinity"
56 #define EVIL 0x666
57
58 static UTF32 unescape_unicode(const unsigned char *p);
59 static int convert_UTF32_to_UTF8(char *buf, UTF32 ch);
60 static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting);
61 static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting);
62 static char *JSON_parse_integer(JSON_Parser *json, char *p, char *pe, VALUE *result);
63 static char *JSON_parse_float(JSON_Parser *json, char *p, char *pe, VALUE *result);
64 static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting);
65 static VALUE json_string_unescape(VALUE result, char *string, char *stringEnd);
66 static char *JSON_parse_string(JSON_Parser *json, char *p, char *pe, VALUE *result);
67 static VALUE convert_encoding(VALUE source);
68 static VALUE cParser_initialize(int argc, VALUE *argv, VALUE self);
69 static VALUE cParser_parse(VALUE self);
70 static void JSON_mark(void *json);
71 static void JSON_free(void *json);
72 static VALUE cJSON_parser_s_allocate(VALUE klass);
73 static VALUE cParser_source(VALUE self);
74 #ifndef ZALLOC
75 #define ZALLOC(type) ((type *)ruby_zalloc(sizeof(type)))
76 static inline void *ruby_zalloc(size_t n)
77 {
78 void *p = ruby_xmalloc(n);
79 memset(p, 0, n);
80 return p;
81 }
82 #endif
83 #ifdef TypedData_Make_Struct
84 static const rb_data_type_t JSON_Parser_type;
85 #define NEW_TYPEDDATA_WRAPPER 1
86 #else
87 #define TypedData_Make_Struct(klass, type, ignore, json) Data_Make_Struct(klass, type, NULL, JSON_free, json)
88 #define TypedData_Get_Struct(self, JSON_Parser, ignore, json) Data_Get_Struct(self, JSON_Parser, json)
89 #endif
90
91 #endif
UTF32
unsigned long UTF32
Definition: parser.h:20
JSON_ParserStruct::memo
char * memo
Definition: parser.h:34
memset
void * memset(void *, int, size_t)
JSON_ParserStruct::max_nesting
int max_nesting
Definition: parser.h:36
JSON_ParserStruct::len
long len
Definition: parser.h:33
ruby_xmalloc
void * ruby_xmalloc(size_t size)
Definition: gc.c:11950
re.h
JSON_ParserStruct::create_id
VALUE create_id
Definition: parser.h:35
VALUE
unsigned long VALUE
Definition: ruby.h:102
JSON_Parser
struct JSON_ParserStruct JSON_Parser
JSON_ParserStruct::create_additions
int create_additions
Definition: parser.h:43
UTF16
unsigned short UTF16
Definition: parser.h:21
UTF8
unsigned char UTF8
Definition: parser.h:22
st.h
JSON_ParserStruct::decimal_class
VALUE decimal_class
Definition: parser.h:42
JSON_ParserStruct::match_string
VALUE match_string
Definition: parser.h:44
ruby.h
JSON_ParserStruct::fbuffer
FBuffer * fbuffer
Definition: parser.h:45
JSON_ParserStruct::allow_nan
int allow_nan
Definition: parser.h:37
JSON_ParserStruct::parsing_name
int parsing_name
Definition: parser.h:38
n
const char size_t n
Definition: rb_mjit_min_header-2.7.0.h:5456
buf
unsigned char buf[MIME_BUF_SIZE]
Definition: nkf.c:4322
JSON_ParserStruct::Vsource
VALUE Vsource
Definition: parser.h:31
argv
char ** argv
Definition: ruby.c:223
UTF32
unsigned long UTF32
Definition: generator.h:29
klass
VALUE klass
Definition: rb_mjit_min_header-2.7.0.h:13254
argc
int argc
Definition: ruby.c:222
FBufferStruct
Definition: fbuffer.h:46
rb_data_type_struct
Definition: ruby.h:1148
JSON_ParserStruct::array_class
VALUE array_class
Definition: parser.h:41
JSON_ParserStruct::object_class
VALUE object_class
Definition: parser.h:40
JSON_ParserStruct
Definition: parser.h:30
JSON_ParserStruct::symbolize_names
int symbolize_names
Definition: parser.h:39
JSON_ParserStruct::source
char * source
Definition: parser.h:32