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arangodb/lib/V8/v8-json.cpp

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#line 2 "lib/V8/v8-json.ll"
////////////////////////////////////////////////////////////////////////////////
/// @brief json parser
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2011 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2011, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#include "Basics/Common.h"
#include "V8/v8-json.h"
#include "V8/v8-globals.h"
#include "Basics/tri-strings.h"
#include "Basics/logging.h"
#define YY_NO_INPUT
#line 42 "lib/V8/v8-json.cpp"
#define YY_INT_ALIGNED short int
/* A lexical scanner generated by flex */
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#define YY_FLEX_SUBMINOR_VERSION 39
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
/* First, we deal with platform-specific or compiler-specific issues. */
/* begin standard C headers. */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
/* end standard C headers. */
/* flex integer type definitions */
#ifndef FLEXINT_H
#define FLEXINT_H
/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
* if you want the limit (max/min) macros for int types.
*/
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t;
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;
/* Limits of integral types. */
#ifndef INT8_MIN
#define INT8_MIN (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN (-32767 - 1)
#endif
#ifndef INT32_MIN
#define INT32_MIN (-2147483647 - 1)
#endif
#ifndef INT8_MAX
#define INT8_MAX (127)
#endif
#ifndef INT16_MAX
#define INT16_MAX (32767)
#endif
#ifndef INT32_MAX
#define INT32_MAX (2147483647)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX (255U)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX (65535U)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX (4294967295U)
#endif
#endif /* ! C99 */
#endif /* ! FLEXINT_H */
#ifdef __cplusplus
/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST
#else /* ! __cplusplus */
/* C99 requires __STDC__ to be defined as 1. */
#if defined(__STDC__)
#define YY_USE_CONST
#endif /* defined (__STDC__) */
#endif /* ! __cplusplus */
#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif
/* Returned upon end-of-file. */
#define YY_NULL 0
/* Promotes a possibly negative, possibly signed char to an unsigned
* integer for use as an array index. If the signed char is negative,
* we want to instead treat it as an 8-bit unsigned char, hence the
* double cast.
*/
#define YY_SC_TO_UI(c) ((unsigned int)(unsigned char)c)
/* An opaque pointer. */
#ifndef YY_TYPEDEF_YY_SCANNER_T
#define YY_TYPEDEF_YY_SCANNER_T
typedef void *yyscan_t;
#endif
/* For convenience, these vars (plus the bison vars far below)
are macros in the reentrant scanner. */
#define yyin yyg->yyin_r
#define yyout yyg->yyout_r
#define yyextra yyg->yyextra_r
#define yyleng yyg->yyleng_r
#define yytext yyg->yytext_r
#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
#define yy_flex_debug yyg->yy_flex_debug_r
/* Enter a start condition. This macro really ought to take a parameter,
* but we do it the disgusting crufty way forced on us by the ()-less
* definition of BEGIN.
*/
#define BEGIN yyg->yy_start = 1 + 2 *
/* Translate the current start state into a value that can be later handed
* to BEGIN to return to the state. The YYSTATE alias is for lex
* compatibility.
*/
#define YY_START ((yyg->yy_start - 1) / 2)
#define YYSTATE YY_START
/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE tri_v8_restart(yyin, yyscanner)
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
* Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
* Ditto for the __ia64__ case accordingly.
*/
#define YY_BUF_SIZE 32768
#else
#define YY_BUF_SIZE 16384
#endif /* __ia64__ */
#endif
/* The state buf must be large enough to hold one state per character in the
* main buffer.
*/
#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#endif
#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
#define YY_LESS_LINENO(n)
#define YY_LINENO_REWIND_TO(ptr)
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
do { \
/* Undo effects of setting up yytext. */ \
int yyless_macro_arg = (n); \
YY_LESS_LINENO(yyless_macro_arg); \
*yy_cp = yyg->yy_hold_char; \
YY_RESTORE_YY_MORE_OFFSET \
yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
} while (0)
#define unput(c) yyunput(c, yyg->yytext_ptr, yyscanner)
#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state {
FILE *yy_input_file;
char *yy_ch_buf; /* input buffer */
char *yy_buf_pos; /* current position in input buffer */
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
yy_size_t yy_buf_size;
/* Number of characters read into yy_ch_buf, not including EOB
* characters.
*/
yy_size_t yy_n_chars;
/* Whether we "own" the buffer - i.e., we know we created it,
* and can realloc() it to grow it, and should free() it to
* delete it.
*/
int yy_is_our_buffer;
/* Whether this is an "interactive" input source; if so, and
* if we're using stdio for input, then we want to use getc()
* instead of fread(), to make sure we stop fetching input after
* each newline.
*/
int yy_is_interactive;
/* Whether we're considered to be at the beginning of a line.
* If so, '^' rules will be active on the next match, otherwise
* not.
*/
int yy_at_bol;
int yy_bs_lineno; /**< The line count. */
int yy_bs_column; /**< The column count. */
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
int yy_fill_buffer;
int yy_buffer_status;
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
/* When an EOF's been seen but there's still some text to process
* then we mark the buffer as YY_EOF_PENDING, to indicate that we
* shouldn't try reading from the input source any more. We might
* still have a bunch of tokens to match, though, because of
* possible backing-up.
*
* When we actually see the EOF, we change the status to "new"
* (via tri_v8_restart()), so that the user can continue scanning by
* just pointing yyin at a new input file.
*/
#define YY_BUFFER_EOF_PENDING 2
};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */
/* We provide macros for accessing buffer states in case in the
* future we want to put the buffer states in a more general
* "scanner state".
*
* Returns the top of the stack, or NULL.
*/
#define YY_CURRENT_BUFFER \
(yyg->yy_buffer_stack ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] : NULL)
/* Same as previous macro, but useful when we know that the buffer stack is not
* NULL or when we need an lvalue. For internal use only.
*/
#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
void tri_v8_restart(FILE *input_file, yyscan_t yyscanner);
void tri_v8__switch_to_buffer(YY_BUFFER_STATE new_buffer, yyscan_t yyscanner);
YY_BUFFER_STATE tri_v8__create_buffer(FILE *file, int size, yyscan_t yyscanner);
void tri_v8__delete_buffer(YY_BUFFER_STATE b, yyscan_t yyscanner);
void tri_v8__flush_buffer(YY_BUFFER_STATE b, yyscan_t yyscanner);
void tri_v8_push_buffer_state(YY_BUFFER_STATE new_buffer, yyscan_t yyscanner);
void tri_v8_pop_buffer_state(yyscan_t yyscanner);
static void tri_v8_ensure_buffer_stack(yyscan_t yyscanner);
static void tri_v8__load_buffer_state(yyscan_t yyscanner);
static void tri_v8__init_buffer(YY_BUFFER_STATE b, FILE *file,
yyscan_t yyscanner);
#define YY_FLUSH_BUFFER tri_v8__flush_buffer(YY_CURRENT_BUFFER, yyscanner)
YY_BUFFER_STATE tri_v8__scan_buffer(char *base, yy_size_t size,
yyscan_t yyscanner);
YY_BUFFER_STATE tri_v8__scan_string(yyconst char *yy_str, yyscan_t yyscanner);
YY_BUFFER_STATE tri_v8__scan_bytes(yyconst char *bytes, yy_size_t len,
yyscan_t yyscanner);
void *tri_v8_alloc(yy_size_t, yyscan_t yyscanner);
void *tri_v8_realloc(void *, yy_size_t, yyscan_t yyscanner);
void tri_v8_free(void *, yyscan_t yyscanner);
#define yy_new_buffer tri_v8__create_buffer
#define yy_set_interactive(is_interactive) \
{ \
if (!YY_CURRENT_BUFFER) { \
tri_v8_ensure_buffer_stack(yyscanner); \
YY_CURRENT_BUFFER_LVALUE = \
tri_v8__create_buffer(yyin, YY_BUF_SIZE, yyscanner); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
}
#define yy_set_bol(at_bol) \
{ \
if (!YY_CURRENT_BUFFER) { \
tri_v8_ensure_buffer_stack(yyscanner); \
YY_CURRENT_BUFFER_LVALUE = \
tri_v8__create_buffer(yyin, YY_BUF_SIZE, yyscanner); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
}
#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
/* Begin user sect3 */
#define tri_v8_wrap(yyscanner) 1
#define YY_SKIP_YYWRAP
typedef unsigned char YY_CHAR;
typedef int yy_state_type;
#define yytext_ptr yytext_r
static yy_state_type yy_get_previous_state(yyscan_t yyscanner);
static yy_state_type yy_try_NUL_trans(yy_state_type current_state,
yyscan_t yyscanner);
static int yy_get_next_buffer(yyscan_t yyscanner);
static void yy_fatal_error(yyconst char msg[], yyscan_t yyscanner);
/* Done after the current pattern has been matched and before the
* corresponding action - sets up yytext.
*/
#define YY_DO_BEFORE_ACTION \
yyg->yytext_ptr = yy_bp; \
yyleng = (size_t)(yy_cp - yy_bp); \
yyg->yy_hold_char = *yy_cp; \
*yy_cp = '\0'; \
yyg->yy_c_buf_p = yy_cp;
#define YY_NUM_RULES 15
#define YY_END_OF_BUFFER 16
/* This struct is not used in this scanner,
but its presence is necessary. */
struct yy_trans_info {
flex_int32_t yy_verify;
flex_int32_t yy_nxt;
};
static yyconst flex_int16_t
yy_accept[45] = {0, 13, 13, 16, 14, 13, 13, 14, 14, 11, 6, 6, 12, 14, 14,
14, 9, 10, 7, 8, 13, 0, 0, 4, 0, 6, 6, 0, 0, 6,
0, 0, 0, 5, 6, 0, 6, 0, 0, 0, 0, 2, 3, 1, 0};
static yyconst flex_int32_t yy_ec[256] = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 2, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 5, 6, 5, 5, 5,
5, 5, 5, 5, 5, 7, 8, 9, 10, 5, 11, 12, 12, 12, 12, 12, 12, 12, 12,
12, 13, 5, 5, 5, 5, 5, 5, 14, 5, 5, 5, 15, 16, 5, 5, 5, 5, 5,
17, 5, 18, 5, 5, 5, 19, 20, 21, 22, 5, 5, 5, 5, 5, 23, 24, 25, 5,
5, 5, 26, 5, 5, 5,
27, 28, 5, 5, 5, 5, 5, 29, 5, 30, 5, 5, 5, 31, 32, 33, 34, 5, 5,
5, 5, 5, 35, 5, 36, 5, 5, 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 yyconst flex_int32_t
yy_meta[37] = {0, 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 yyconst flex_int16_t yy_base[47] = {
0, 0, 0, 114, 126, 35, 38, 42, 35, 126, 40, 41, 126, 35, 35, 39,
126, 126, 126, 126, 60, 48, 72, 126, 89, 50, 70, 72, 79, 83, 42, 70,
67, 126, 91, 93, 96, 80, 92, 96, 98, 126, 126, 126, 126, 78, 75};
static yyconst flex_int16_t yy_def[47] = {
0, 44, 1, 44, 44, 44, 44, 45, 44, 44, 44, 44, 44, 44, 44, 44,
44, 44, 44, 44, 44, 46, 45, 44, 46, 44, 44, 44, 44, 44, 44, 44,
44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 0, 44, 44};
static yyconst flex_int16_t yy_nxt[163] = {
0, 4, 5, 6, 5, 4, 7, 8, 9, 8, 4, 10, 11, 12, 4, 4, 13,
4, 14, 4, 4, 15, 4, 16, 4, 17, 4, 4, 13, 4, 14, 4, 4, 15,
4, 18, 19, 20, 20, 20, 20, 20, 20, 21, 21, 21, 25, 26, 23, 30, 27,
27, 29, 29, 33, 28, 28, 31, 32, 37, 27, 30, 20, 20, 20, 28, 24, 28,
28, 31, 32, 37, 24, 21, 21, 21, 21, 28, 23, 22, 27, 29, 29, 34, 34,
28, 35, 38, 35, 39, 36, 36, 44, 27, 29, 29, 24, 28, 28, 38, 40,
39, 34, 34, 36, 36, 28, 36, 36, 41, 28, 42, 40, 43, 44, 44, 44, 44,
28, 44, 44, 41, 44, 42, 44, 43, 3, 44, 44, 44, 44, 44, 44, 44, 44,
44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44,
44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44};
static yyconst flex_int16_t yy_chk[163] = {
0, 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, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 7, 13, 10,
11, 11, 11, 21, 10, 11, 14, 15, 30, 25, 13, 20, 20, 20, 25, 7, 10,
11, 14, 15, 30, 21, 22, 22, 22, 46, 25, 22, 45, 26, 26, 26, 27, 27,
26, 28, 31, 28, 32, 28, 28, 24, 29, 29, 29, 22, 26, 29, 31, 37,
32, 34, 34, 35, 35, 34, 36, 36, 38, 29, 39, 37, 40, 3, 0, 0, 0,
34, 0, 0, 38, 0, 39, 0, 40, 44, 44, 44, 44, 44, 44, 44, 44, 44,
44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44,
44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44};
/* The intent behind this definition is that it'll catch
* any uses of REJECT which flex missed.
*/
#define REJECT reject_used_but_not_detected
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
#define END_OF_FILE 0
#define FALSE_CONSTANT 1
#define TRUE_CONSTANT 2
#define NULL_CONSTANT 3
#define NUMBER_CONSTANT 4
#define STRING_CONSTANT 5
#define OPEN_BRACE 6
#define CLOSE_BRACE 7
#define OPEN_BRACKET 8
#define CLOSE_BRACKET 9
#define COMMA 10
#define COLON 11
#define UNQUOTED_STRING 12
#define STRING_CONSTANT_ASCII 13
struct jsonData {
char const *_message;
TRI_memory_zone_t *_memoryZone;
};
#define YY_FATAL_ERROR(a) \
do { \
LOG_DEBUG("v8-json: %s", (a)); \
if (false) { \
yy_fatal_error(a, nullptr); \
} \
} while (0)
#define INITIAL 0
#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
* down here because we want the user's section 1 to have been scanned first.
* The user has a chance to override it with an option.
*/
#include <unistd.h>
#endif
#define YY_EXTRA_TYPE struct jsonData
/* Holds the entire state of the reentrant scanner. */
struct yyguts_t {
/* User-defined. Not touched by flex. */
YY_EXTRA_TYPE yyextra_r;
/* The rest are the same as the globals declared in the non-reentrant scanner.
*/
FILE *yyin_r, *yyout_r;
size_t yy_buffer_stack_top; /**< index of top of stack. */
size_t yy_buffer_stack_max; /**< capacity of stack. */
YY_BUFFER_STATE *yy_buffer_stack; /**< Stack as an array. */
char yy_hold_char;
yy_size_t yy_n_chars;
yy_size_t yyleng_r;
char *yy_c_buf_p;
int yy_init;
int yy_start;
int yy_did_buffer_switch_on_eof;
int yy_start_stack_ptr;
int yy_start_stack_depth;
int *yy_start_stack;
yy_state_type yy_last_accepting_state;
char *yy_last_accepting_cpos;
int yylineno_r;
int yy_flex_debug_r;
char *yytext_r;
int yy_more_flag;
int yy_more_len;
}; /* end struct yyguts_t */
static int yy_init_globals(yyscan_t yyscanner);
int tri_v8_lex_init(yyscan_t *scanner);
int tri_v8_lex_init_extra(YY_EXTRA_TYPE user_defined, yyscan_t *scanner);
/* Accessor methods to globals.
These are made visible to non-reentrant scanners for convenience. */
int tri_v8_lex_destroy(yyscan_t yyscanner);
int tri_v8_get_debug(yyscan_t yyscanner);
void tri_v8_set_debug(int debug_flag, yyscan_t yyscanner);
YY_EXTRA_TYPE tri_v8_get_extra(yyscan_t yyscanner);
void tri_v8_set_extra(YY_EXTRA_TYPE user_defined, yyscan_t yyscanner);
FILE *tri_v8_get_in(yyscan_t yyscanner);
void tri_v8_set_in(FILE *in_str, yyscan_t yyscanner);
FILE *tri_v8_get_out(yyscan_t yyscanner);
void tri_v8_set_out(FILE *out_str, yyscan_t yyscanner);
yy_size_t tri_v8_get_leng(yyscan_t yyscanner);
char *tri_v8_get_text(yyscan_t yyscanner);
int tri_v8_get_lineno(yyscan_t yyscanner);
void tri_v8_set_lineno(int line_number, yyscan_t yyscanner);
int tri_v8_get_column(yyscan_t yyscanner);
void tri_v8_set_column(int column_no, yyscan_t yyscanner);
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int tri_v8_wrap(yyscan_t yyscanner);
#else
extern int tri_v8_wrap(yyscan_t yyscanner);
#endif
#endif
#ifndef yytext_ptr
static void yy_flex_strncpy(char *, yyconst char *, int, yyscan_t yyscanner);
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen(yyconst char *, yyscan_t yyscanner);
#endif
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput(yyscan_t yyscanner);
#else
static int input(yyscan_t yyscanner);
#endif
#endif
/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k */
#define YY_READ_BUF_SIZE 16384
#else
#define YY_READ_BUF_SIZE 8192
#endif /* __ia64__ */
#endif
/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
#define ECHO \
do { \
if (fwrite(yytext, yyleng, 1, yyout)) { \
} \
} while (0)
#endif
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
* is returned in "result".
*/
#ifndef YY_INPUT
#define YY_INPUT(buf, result, max_size) \
if (YY_CURRENT_BUFFER_LVALUE->yy_is_interactive) { \
int c = '*'; \
size_t n; \
for (n = 0; n < max_size && (c = getc(yyin)) != EOF && c != '\n'; ++n) \
buf[n] = (char)c; \
if (c == '\n') buf[n++] = (char)c; \
if (c == EOF && ferror(yyin)) \
YY_FATAL_ERROR("input in flex scanner failed"); \
result = n; \
} else { \
errno = 0; \
while ((result = fread(buf, 1, max_size, yyin)) == 0 && ferror(yyin)) { \
if (errno != EINTR) { \
YY_FATAL_ERROR("input in flex scanner failed"); \
break; \
} \
errno = 0; \
clearerr(yyin); \
} \
}
#endif
/* No semi-colon after return; correct usage is to write "yyterminate();" -
* we don't want an extra ';' after the "return" because that will cause
* some compilers to complain about unreachable statements.
*/
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif
/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif
/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error(msg, yyscanner)
#endif
/* end tables serialization structures and prototypes */
/* Default declaration of generated scanner - a define so the user can
* easily add parameters.
*/
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1
extern int tri_v8_lex(yyscan_t yyscanner);
#define YY_DECL int tri_v8_lex(yyscan_t yyscanner)
#endif /* !YY_DECL */
/* Code executed at the beginning of each rule, after yytext and yyleng
* have been set up.
*/
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif
/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif
#define YY_RULE_SETUP YY_USER_ACTION
/** The main scanner function which does all the work.
*/
YY_DECL {
yy_state_type yy_current_state;
char *yy_cp, *yy_bp;
int yy_act;
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
if (!yyg->yy_init) {
yyg->yy_init = 1;
#ifdef YY_USER_INIT
YY_USER_INIT;
#endif
if (!yyg->yy_start) yyg->yy_start = 1; /* first start state */
if (!yyin) yyin = stdin;
if (!yyout) yyout = stdout;
if (!YY_CURRENT_BUFFER) {
tri_v8_ensure_buffer_stack(yyscanner);
YY_CURRENT_BUFFER_LVALUE =
tri_v8__create_buffer(yyin, YY_BUF_SIZE, yyscanner);
}
tri_v8__load_buffer_state(yyscanner);
}
{
/* -----------------------------------------------------------------------------
* keywords
* -----------------------------------------------------------------------------
*/
while (1) /* loops until end-of-file is reached */
{
yy_cp = yyg->yy_c_buf_p;
/* Support of yytext. */
*yy_cp = yyg->yy_hold_char;
/* yy_bp points to the position in yy_ch_buf of the start of
* the current run.
*/
yy_bp = yy_cp;
yy_current_state = yyg->yy_start;
yy_match:
do {
YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
if (yy_accept[yy_current_state]) {
yyg->yy_last_accepting_state = yy_current_state;
yyg->yy_last_accepting_cpos = yy_cp;
}
while (yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state) {
yy_current_state = (int)yy_def[yy_current_state];
if (yy_current_state >= 45) yy_c = yy_meta[(unsigned int)yy_c];
}
yy_current_state =
yy_nxt[yy_base[yy_current_state] + (unsigned int)yy_c];
++yy_cp;
} while (yy_current_state != 44);
yy_cp = yyg->yy_last_accepting_cpos;
yy_current_state = yyg->yy_last_accepting_state;
yy_find_action:
yy_act = yy_accept[yy_current_state];
YY_DO_BEFORE_ACTION;
do_action: /* This label is used only to access EOF actions. */
switch (yy_act) { /* beginning of action switch */
case 0: /* must back up */
/* undo the effects of YY_DO_BEFORE_ACTION */
*yy_cp = yyg->yy_hold_char;
yy_cp = yyg->yy_last_accepting_cpos;
yy_current_state = yyg->yy_last_accepting_state;
goto yy_find_action;
case 1:
YY_RULE_SETUP { return FALSE_CONSTANT; }
YY_BREAK
case 2:
YY_RULE_SETUP { return NULL_CONSTANT; }
YY_BREAK
case 3:
YY_RULE_SETUP { return TRUE_CONSTANT; }
YY_BREAK
/* -----------------------------------------------------------------------------
* strings
* -----------------------------------------------------------------------------
*/
case 4:
YY_RULE_SETUP {
// performance optimisation for all-ASCII strings without escape
// characters
// this matches the ASCII chars with ordinal numbers 35 (x23) to 127
// (x7f),
// plus space (32) and ! (33) but no quotation marks (34, x22) and
// backslashes (92, x5c)
return STRING_CONSTANT_ASCII;
}
YY_BREAK
case 5:
/* rule 5 can match eol */
YY_RULE_SETUP { return STRING_CONSTANT; }
YY_BREAK
/* -----------------------------------------------------------------------------
* numbers
* -----------------------------------------------------------------------------
*/
case 6:
YY_RULE_SETUP { return NUMBER_CONSTANT; }
YY_BREAK
/* -----------------------------------------------------------------------------
* special characters
* -----------------------------------------------------------------------------
*/
case 7:
YY_RULE_SETUP { return OPEN_BRACE; }
YY_BREAK
case 8:
YY_RULE_SETUP { return CLOSE_BRACE; }
YY_BREAK
case 9:
YY_RULE_SETUP { return OPEN_BRACKET; }
YY_BREAK
case 10:
YY_RULE_SETUP { return CLOSE_BRACKET; }
YY_BREAK
case 11:
YY_RULE_SETUP { return COMMA; }
YY_BREAK
case 12:
YY_RULE_SETUP { return COLON; }
YY_BREAK
/* -----------------------------------------------------------------------------
* Skip whitespaces. Whatever is left, should be an unquoted string
* appearing
* somewhere. This will be reported as an error.
* -----------------------------------------------------------------------------
*/
case 13:
/* rule 13 can match eol */
YY_RULE_SETUP {}
YY_BREAK
case 14:
YY_RULE_SETUP { return UNQUOTED_STRING; }
YY_BREAK
case 15:
YY_RULE_SETUP
ECHO;
YY_BREAK
case YY_STATE_EOF(INITIAL):
yyterminate();
case YY_END_OF_BUFFER: {
/* Amount of text matched not including the EOB char. */
int yy_amount_of_matched_text = (int)(yy_cp - yyg->yytext_ptr) - 1;
/* Undo the effects of YY_DO_BEFORE_ACTION. */
*yy_cp = yyg->yy_hold_char;
YY_RESTORE_YY_MORE_OFFSET
if (YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW) {
/* We're scanning a new file or input source. It's
* possible that this happened because the user
* just pointed yyin at a new source and called
* tri_v8_lex(). If so, then we have to assure
* consistency between YY_CURRENT_BUFFER and our
* globals. Here is the right place to do so, because
* this is the first action (other than possibly a
* back-up) that will match for the new input source.
*/
yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
}
/* Note that here we test for yy_c_buf_p "<=" to the position
* of the first EOB in the buffer, since yy_c_buf_p will
* already have been incremented past the NUL character
* (since all states make transitions on EOB to the
* end-of-buffer state). Contrast this with the test
* in input().
*/
if (yyg->yy_c_buf_p <=
&YY_CURRENT_BUFFER_LVALUE
->yy_ch_buf[yyg->yy_n_chars]) { /* This was really a NUL. */
yy_state_type yy_next_state;
yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state(yyscanner);
/* Okay, we're now positioned to make the NUL
* transition. We couldn't have
* yy_get_previous_state() go ahead and do it
* for us because it doesn't know how to deal
* with the possibility of jamming (and we don't
* want to build jamming into it because then it
* will run more slowly).
*/
yy_next_state = yy_try_NUL_trans(yy_current_state, yyscanner);
yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
if (yy_next_state) {
/* Consume the NUL. */
yy_cp = ++yyg->yy_c_buf_p;
yy_current_state = yy_next_state;
goto yy_match;
}
else {
yy_cp = yyg->yy_last_accepting_cpos;
yy_current_state = yyg->yy_last_accepting_state;
goto yy_find_action;
}
}
else
switch (yy_get_next_buffer(yyscanner)) {
case EOB_ACT_END_OF_FILE: {
yyg->yy_did_buffer_switch_on_eof = 0;
if (tri_v8_wrap(yyscanner)) {
/* Note: because we've taken care in
* yy_get_next_buffer() to have set up
* yytext, we can now set up
* yy_c_buf_p so that if some total
* hoser (like flex itself) wants to
* call the scanner after we return the
* YY_NULL, it'll still work - another
* YY_NULL will get returned.
*/
yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;
yy_act = YY_STATE_EOF(YY_START);
goto do_action;
}
else {
if (!yyg->yy_did_buffer_switch_on_eof) YY_NEW_FILE;
}
break;
}
case EOB_ACT_CONTINUE_SCAN:
yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
yy_current_state = yy_get_previous_state(yyscanner);
yy_cp = yyg->yy_c_buf_p;
yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
goto yy_match;
case EOB_ACT_LAST_MATCH:
yyg->yy_c_buf_p =
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];
yy_current_state = yy_get_previous_state(yyscanner);
yy_cp = yyg->yy_c_buf_p;
yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
goto yy_find_action;
}
break;
}
default:
YY_FATAL_ERROR("fatal flex scanner internal error--no action found");
} /* end of action switch */
} /* end of scanning one token */
} /* end of user's declarations */
} /* end of tri_v8_lex */
/* yy_get_next_buffer - try to read in a new buffer
*
* Returns a code representing an action:
* EOB_ACT_LAST_MATCH -
* EOB_ACT_CONTINUE_SCAN - continue scanning from current position
* EOB_ACT_END_OF_FILE - end of file
*/
static int yy_get_next_buffer(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
char *source = yyg->yytext_ptr;
int number_to_move, i;
int ret_val;
if (yyg->yy_c_buf_p >
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1])
YY_FATAL_ERROR("fatal flex scanner internal error--end of buffer missed");
if (YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer ==
0) { /* Don't try to fill the buffer, so this is an EOF. */
if (yyg->yy_c_buf_p - yyg->yytext_ptr - YY_MORE_ADJ == 1) {
/* We matched a single character, the EOB, so
* treat this as a final EOF.
*/
return EOB_ACT_END_OF_FILE;
}
else {
/* We matched some text prior to the EOB, first
* process it.
*/
return EOB_ACT_LAST_MATCH;
}
}
/* Try to read more data. */
/* First move last chars to start of buffer. */
number_to_move = (int)(yyg->yy_c_buf_p - yyg->yytext_ptr) - 1;
for (i = 0; i < number_to_move; ++i) *(dest++) = *(source++);
if (YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING)
/* don't do the read, it's not guaranteed to return an EOF,
* just force an EOF
*/
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars = 0;
else {
yy_size_t num_to_read =
YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
while (num_to_read <= 0) { /* Not enough room in the buffer - grow it. */
/* just a shorter name for the current buffer */
YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
int yy_c_buf_p_offset = (int)(yyg->yy_c_buf_p - b->yy_ch_buf);
if (b->yy_is_our_buffer) {
yy_size_t new_size = b->yy_buf_size * 2;
if (new_size <= 0)
b->yy_buf_size += b->yy_buf_size / 8;
else
b->yy_buf_size *= 2;
b->yy_ch_buf = (char *)
/* Include room in for 2 EOB chars. */
tri_v8_realloc((void *)b->yy_ch_buf, b->yy_buf_size + 2, yyscanner);
} else
/* Can't grow it, we don't own it. */
b->yy_ch_buf = 0;
if (!b->yy_ch_buf)
YY_FATAL_ERROR("fatal error - scanner input buffer overflow");
yyg->yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
}
if (num_to_read > YY_READ_BUF_SIZE) num_to_read = YY_READ_BUF_SIZE;
/* Read in more data. */
YY_INPUT((&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
yyg->yy_n_chars, num_to_read);
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
}
if (yyg->yy_n_chars == 0) {
if (number_to_move == YY_MORE_ADJ) {
ret_val = EOB_ACT_END_OF_FILE;
tri_v8_restart(yyin, yyscanner);
}
else {
ret_val = EOB_ACT_LAST_MATCH;
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_EOF_PENDING;
}
}
else
ret_val = EOB_ACT_CONTINUE_SCAN;
if ((yy_size_t)(yyg->yy_n_chars + number_to_move) >
YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
/* Extend the array by 50%, plus the number we really need. */
yy_size_t new_size =
yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1);
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *)tri_v8_realloc(
(void *)YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, new_size, yyscanner);
if (!YY_CURRENT_BUFFER_LVALUE->yy_ch_buf)
YY_FATAL_ERROR("out of dynamic memory in yy_get_next_buffer()");
}
yyg->yy_n_chars += number_to_move;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] =
YY_END_OF_BUFFER_CHAR;
yyg->yytext_ptr = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
return ret_val;
}
/* yy_get_previous_state - get the state just before the EOB char was reached */
static yy_state_type yy_get_previous_state(yyscan_t yyscanner) {
yy_state_type yy_current_state;
char *yy_cp;
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
yy_current_state = yyg->yy_start;
for (yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p;
++yy_cp) {
YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
if (yy_accept[yy_current_state]) {
yyg->yy_last_accepting_state = yy_current_state;
yyg->yy_last_accepting_cpos = yy_cp;
}
while (yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state) {
yy_current_state = (int)yy_def[yy_current_state];
if (yy_current_state >= 45) yy_c = yy_meta[(unsigned int)yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int)yy_c];
}
return yy_current_state;
}
/* yy_try_NUL_trans - try to make a transition on the NUL character
*
* synopsis
* next_state = yy_try_NUL_trans( current_state );
*/
static yy_state_type yy_try_NUL_trans(yy_state_type yy_current_state,
yyscan_t yyscanner) {
int yy_is_jam;
struct yyguts_t *yyg = (struct yyguts_t *)
yyscanner; /* This var may be unused depending upon options. */
char *yy_cp = yyg->yy_c_buf_p;
YY_CHAR yy_c = 1;
if (yy_accept[yy_current_state]) {
yyg->yy_last_accepting_state = yy_current_state;
yyg->yy_last_accepting_cpos = yy_cp;
}
while (yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state) {
yy_current_state = (int)yy_def[yy_current_state];
if (yy_current_state >= 45) yy_c = yy_meta[(unsigned int)yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int)yy_c];
yy_is_jam = (yy_current_state == 44);
(void)yyg;
return yy_is_jam ? 0 : yy_current_state;
}
#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput(yyscan_t yyscanner)
#else
static int input(yyscan_t yyscanner)
#endif
{
int c;
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
*yyg->yy_c_buf_p = yyg->yy_hold_char;
if (*yyg->yy_c_buf_p == YY_END_OF_BUFFER_CHAR) {
/* yy_c_buf_p now points to the character we want to return.
* If this occurs *before* the EOB characters, then it's a
* valid NUL; if not, then we've hit the end of the buffer.
*/
if (yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars])
/* This was really a NUL. */
*yyg->yy_c_buf_p = '\0';
else { /* need more input */
yy_size_t offset = yyg->yy_c_buf_p - yyg->yytext_ptr;
++yyg->yy_c_buf_p;
switch (yy_get_next_buffer(yyscanner)) {
case EOB_ACT_LAST_MATCH:
/* This happens because yy_g_n_b()
* sees that we've accumulated a
* token and flags that we need to
* try matching the token before
* proceeding. But for input(),
* there's no matching to consider.
* So convert the EOB_ACT_LAST_MATCH
* to EOB_ACT_END_OF_FILE.
*/
/* Reset buffer status. */
tri_v8_restart(yyin, yyscanner);
/*FALLTHROUGH*/
case EOB_ACT_END_OF_FILE: {
if (tri_v8_wrap(yyscanner)) return EOF;
if (!yyg->yy_did_buffer_switch_on_eof) YY_NEW_FILE;
#ifdef __cplusplus
return yyinput(yyscanner);
#else
return input(yyscanner);
#endif
}
case EOB_ACT_CONTINUE_SCAN:
yyg->yy_c_buf_p = yyg->yytext_ptr + offset;
break;
}
}
}
c = *(unsigned char *)yyg->yy_c_buf_p; /* cast for 8-bit char's */
*yyg->yy_c_buf_p = '\0'; /* preserve yytext */
yyg->yy_hold_char = *++yyg->yy_c_buf_p;
return c;
}
#endif /* ifndef YY_NO_INPUT */
/** Immediately switch to a different input stream.
* @param input_file A readable stream.
* @param yyscanner The scanner object.
* @note This function does not reset the start condition to @c INITIAL .
*/
void tri_v8_restart(FILE *input_file, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
if (!YY_CURRENT_BUFFER) {
tri_v8_ensure_buffer_stack(yyscanner);
YY_CURRENT_BUFFER_LVALUE =
tri_v8__create_buffer(yyin, YY_BUF_SIZE, yyscanner);
}
tri_v8__init_buffer(YY_CURRENT_BUFFER, input_file, yyscanner);
tri_v8__load_buffer_state(yyscanner);
}
/** Switch to a different input buffer.
* @param new_buffer The new input buffer.
* @param yyscanner The scanner object.
*/
void tri_v8__switch_to_buffer(YY_BUFFER_STATE new_buffer, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
/* TODO. We should be able to replace this entire function body
* with
* tri_v8_pop_buffer_state();
* tri_v8_push_buffer_state(new_buffer);
*/
tri_v8_ensure_buffer_stack(yyscanner);
if (YY_CURRENT_BUFFER == new_buffer) return;
if (YY_CURRENT_BUFFER) {
/* Flush out information for old buffer. */
*yyg->yy_c_buf_p = yyg->yy_hold_char;
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
}
YY_CURRENT_BUFFER_LVALUE = new_buffer;
tri_v8__load_buffer_state(yyscanner);
/* We don't actually know whether we did this switch during
* EOF (tri_v8_wrap()) processing, but the only time this flag
* is looked at is after tri_v8_wrap() is called, so it's safe
* to go ahead and always set it.
*/
yyg->yy_did_buffer_switch_on_eof = 1;
}
static void tri_v8__load_buffer_state(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
yyg->yy_hold_char = *yyg->yy_c_buf_p;
}
/** Allocate and initialize an input buffer state.
* @param file A readable stream.
* @param size The character buffer size in bytes. When in doubt, use @c
* YY_BUF_SIZE.
* @param yyscanner The scanner object.
* @return the allocated buffer state.
*/
YY_BUFFER_STATE tri_v8__create_buffer(FILE *file, int size,
yyscan_t yyscanner) {
YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE)tri_v8_alloc(sizeof(struct yy_buffer_state), yyscanner);
if (!b) YY_FATAL_ERROR("out of dynamic memory in tri_v8__create_buffer()");
b->yy_buf_size = size;
/* yy_ch_buf has to be 2 characters longer than the size given because
* we need to put in 2 end-of-buffer characters.
*/
b->yy_ch_buf = (char *)tri_v8_alloc(b->yy_buf_size + 2, yyscanner);
if (!b->yy_ch_buf)
YY_FATAL_ERROR("out of dynamic memory in tri_v8__create_buffer()");
b->yy_is_our_buffer = 1;
tri_v8__init_buffer(b, file, yyscanner);
return b;
}
/** Destroy the buffer.
* @param b a buffer created with tri_v8__create_buffer()
* @param yyscanner The scanner object.
*/
void tri_v8__delete_buffer(YY_BUFFER_STATE b, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
if (!b) return;
if (b == YY_CURRENT_BUFFER) /* Not sure if we should pop here. */
YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE)0;
if (b->yy_is_our_buffer) tri_v8_free((void *)b->yy_ch_buf, yyscanner);
tri_v8_free((void *)b, yyscanner);
}
/* Initializes or reinitializes a buffer.
* This function is sometimes called more than once on the same buffer,
* such as during a tri_v8_restart() or at EOF.
*/
static void tri_v8__init_buffer(YY_BUFFER_STATE b, FILE *file,
yyscan_t yyscanner)
{
int oerrno = errno;
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
tri_v8__flush_buffer(b, yyscanner);
b->yy_input_file = file;
b->yy_fill_buffer = 1;
/* If b is the current buffer, then tri_v8__init_buffer was _probably_
* called from tri_v8_restart() or through yy_get_next_buffer.
* In that case, we don't want to reset the lineno or column.
*/
if (b != YY_CURRENT_BUFFER) {
b->yy_bs_lineno = 1;
b->yy_bs_column = 0;
}
b->yy_is_interactive = file ? (isatty(fileno(file)) > 0) : 0;
errno = oerrno;
}
/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
* @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
* @param yyscanner The scanner object.
*/
void tri_v8__flush_buffer(YY_BUFFER_STATE b, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
if (!b) return;
b->yy_n_chars = 0;
/* We always need two end-of-buffer characters. The first causes
* a transition to the end-of-buffer state. The second causes
* a jam in that state.
*/
b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
b->yy_buf_pos = &b->yy_ch_buf[0];
b->yy_at_bol = 1;
b->yy_buffer_status = YY_BUFFER_NEW;
if (b == YY_CURRENT_BUFFER) tri_v8__load_buffer_state(yyscanner);
}
/** Pushes the new state onto the stack. The new state becomes
* the current state. This function will allocate the stack
* if necessary.
* @param new_buffer The new state.
* @param yyscanner The scanner object.
*/
void tri_v8_push_buffer_state(YY_BUFFER_STATE new_buffer, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
if (new_buffer == NULL) return;
tri_v8_ensure_buffer_stack(yyscanner);
/* This block is copied from tri_v8__switch_to_buffer. */
if (YY_CURRENT_BUFFER) {
/* Flush out information for old buffer. */
*yyg->yy_c_buf_p = yyg->yy_hold_char;
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
}
/* Only push if top exists. Otherwise, replace top. */
if (YY_CURRENT_BUFFER) yyg->yy_buffer_stack_top++;
YY_CURRENT_BUFFER_LVALUE = new_buffer;
/* copied from tri_v8__switch_to_buffer. */
tri_v8__load_buffer_state(yyscanner);
yyg->yy_did_buffer_switch_on_eof = 1;
}
/** Removes and deletes the top of the stack, if present.
* The next element becomes the new top.
* @param yyscanner The scanner object.
*/
void tri_v8_pop_buffer_state(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
if (!YY_CURRENT_BUFFER) return;
tri_v8__delete_buffer(YY_CURRENT_BUFFER, yyscanner);
YY_CURRENT_BUFFER_LVALUE = NULL;
if (yyg->yy_buffer_stack_top > 0) --yyg->yy_buffer_stack_top;
if (YY_CURRENT_BUFFER) {
tri_v8__load_buffer_state(yyscanner);
yyg->yy_did_buffer_switch_on_eof = 1;
}
}
/* Allocates the stack if it does not exist.
* Guarantees space for at least one push.
*/
static void tri_v8_ensure_buffer_stack(yyscan_t yyscanner) {
yy_size_t num_to_alloc;
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
if (!yyg->yy_buffer_stack) {
/* First allocation is just for 2 elements, since we don't know if this
* scanner will even need a stack. We use 2 instead of 1 to avoid an
* immediate realloc on the next call.
*/
num_to_alloc = 1;
yyg->yy_buffer_stack = (struct yy_buffer_state **)tri_v8_alloc(
num_to_alloc * sizeof(struct yy_buffer_state *), yyscanner);
if (!yyg->yy_buffer_stack)
YY_FATAL_ERROR("out of dynamic memory in tri_v8_ensure_buffer_stack()");
memset(yyg->yy_buffer_stack, 0,
num_to_alloc * sizeof(struct yy_buffer_state *));
yyg->yy_buffer_stack_max = num_to_alloc;
yyg->yy_buffer_stack_top = 0;
return;
}
if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1) {
/* Increase the buffer to prepare for a possible push. */
int grow_size = 8 /* arbitrary grow size */;
num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
yyg->yy_buffer_stack = (struct yy_buffer_state **)tri_v8_realloc(
yyg->yy_buffer_stack, num_to_alloc * sizeof(struct yy_buffer_state *),
yyscanner);
if (!yyg->yy_buffer_stack)
YY_FATAL_ERROR("out of dynamic memory in tri_v8_ensure_buffer_stack()");
/* zero only the new slots.*/
memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0,
grow_size * sizeof(struct yy_buffer_state *));
yyg->yy_buffer_stack_max = num_to_alloc;
}
}
/** Setup the input buffer state to scan directly from a user-specified
* character buffer.
* @param base the character buffer
* @param size the size in bytes of the character buffer
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
*/
YY_BUFFER_STATE tri_v8__scan_buffer(char *base, yy_size_t size,
yyscan_t yyscanner) {
YY_BUFFER_STATE b;
if (size < 2 || base[size - 2] != YY_END_OF_BUFFER_CHAR ||
base[size - 1] != YY_END_OF_BUFFER_CHAR)
/* They forgot to leave room for the EOB's. */
return 0;
b = (YY_BUFFER_STATE)tri_v8_alloc(sizeof(struct yy_buffer_state), yyscanner);
if (!b) YY_FATAL_ERROR("out of dynamic memory in tri_v8__scan_buffer()");
b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
b->yy_buf_pos = b->yy_ch_buf = base;
b->yy_is_our_buffer = 0;
b->yy_input_file = 0;
b->yy_n_chars = b->yy_buf_size;
b->yy_is_interactive = 0;
b->yy_at_bol = 1;
b->yy_fill_buffer = 0;
b->yy_buffer_status = YY_BUFFER_NEW;
tri_v8__switch_to_buffer(b, yyscanner);
return b;
}
/** Setup the input buffer state to scan a string. The next call to tri_v8_lex()
* will
* scan from a @e copy of @a str.
* @param yystr a NUL-terminated string to scan
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
* @note If you want to scan bytes that may contain NUL values, then use
* tri_v8__scan_bytes() instead.
*/
YY_BUFFER_STATE tri_v8__scan_string(yyconst char *yystr, yyscan_t yyscanner) {
return tri_v8__scan_bytes(yystr, strlen(yystr), yyscanner);
}
/** Setup the input buffer state to scan the given bytes. The next call to
* tri_v8_lex() will
* scan from a @e copy of @a bytes.
* @param yybytes the byte buffer to scan
* @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
* @param yyscanner The scanner object.
* @return the newly allocated buffer state object.
*/
YY_BUFFER_STATE tri_v8__scan_bytes(yyconst char *yybytes,
yy_size_t _yybytes_len, yyscan_t yyscanner) {
YY_BUFFER_STATE b;
char *buf;
yy_size_t n;
yy_size_t i;
/* Get memory for full buffer, including space for trailing EOB's. */
n = _yybytes_len + 2;
buf = (char *)tri_v8_alloc(n, yyscanner);
if (!buf) YY_FATAL_ERROR("out of dynamic memory in tri_v8__scan_bytes()");
for (i = 0; i < _yybytes_len; ++i) buf[i] = yybytes[i];
buf[_yybytes_len] = buf[_yybytes_len + 1] = YY_END_OF_BUFFER_CHAR;
b = tri_v8__scan_buffer(buf, n, yyscanner);
if (!b) YY_FATAL_ERROR("bad buffer in tri_v8__scan_bytes()");
/* It's okay to grow etc. this buffer, and we should throw it
* away when we're done.
*/
b->yy_is_our_buffer = 1;
return b;
}
#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif
static void yy_fatal_error(yyconst char *msg, yyscan_t yyscanner) {
(void)fprintf(stderr, "%s\n", msg);
exit(YY_EXIT_FAILURE);
}
/* Redefine yyless() so it works in section 3 code. */
#undef yyless
#define yyless(n) \
do { \
/* Undo effects of setting up yytext. */ \
int yyless_macro_arg = (n); \
YY_LESS_LINENO(yyless_macro_arg); \
yytext[yyleng] = yyg->yy_hold_char; \
yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
yyg->yy_hold_char = *yyg->yy_c_buf_p; \
*yyg->yy_c_buf_p = '\0'; \
yyleng = yyless_macro_arg; \
} while (0)
/* Accessor methods (get/set functions) to struct members. */
/** Get the user-defined data for this scanner.
* @param yyscanner The scanner object.
*/
YY_EXTRA_TYPE tri_v8_get_extra(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
return yyextra;
}
/** Get the current line number.
* @param yyscanner The scanner object.
*/
int tri_v8_get_lineno(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
if (!YY_CURRENT_BUFFER) return 0;
return yylineno;
}
/** Get the current column number.
* @param yyscanner The scanner object.
*/
int tri_v8_get_column(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
if (!YY_CURRENT_BUFFER) return 0;
return yycolumn;
}
/** Get the input stream.
* @param yyscanner The scanner object.
*/
FILE *tri_v8_get_in(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
return yyin;
}
/** Get the output stream.
* @param yyscanner The scanner object.
*/
FILE *tri_v8_get_out(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
return yyout;
}
/** Get the length of the current token.
* @param yyscanner The scanner object.
*/
yy_size_t tri_v8_get_leng(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
return yyleng;
}
/** Get the current token.
* @param yyscanner The scanner object.
*/
char *tri_v8_get_text(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
return yytext;
}
/** Set the user-defined data. This data is never touched by the scanner.
* @param user_defined The data to be associated with this scanner.
* @param yyscanner The scanner object.
*/
void tri_v8_set_extra(YY_EXTRA_TYPE user_defined, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
yyextra = user_defined;
}
/** Set the current line number.
* @param line_number
* @param yyscanner The scanner object.
*/
void tri_v8_set_lineno(int line_number, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
/* lineno is only valid if an input buffer exists. */
if (!YY_CURRENT_BUFFER)
YY_FATAL_ERROR("tri_v8_set_lineno called with no buffer");
yylineno = line_number;
}
/** Set the current column.
* @param line_number
* @param yyscanner The scanner object.
*/
void tri_v8_set_column(int column_no, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
/* column is only valid if an input buffer exists. */
if (!YY_CURRENT_BUFFER)
YY_FATAL_ERROR("tri_v8_set_column called with no buffer");
yycolumn = column_no;
}
/** Set the input stream. This does not discard the current
* input buffer.
* @param in_str A readable stream.
* @param yyscanner The scanner object.
* @see tri_v8__switch_to_buffer
*/
void tri_v8_set_in(FILE *in_str, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
yyin = in_str;
}
void tri_v8_set_out(FILE *out_str, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
yyout = out_str;
}
int tri_v8_get_debug(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
return yy_flex_debug;
}
void tri_v8_set_debug(int bdebug, yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
yy_flex_debug = bdebug;
}
/* Accessor methods for yylval and yylloc */
/* User-visible API */
/* tri_v8_lex_init is special because it creates the scanner itself, so it is
* the ONLY reentrant function that doesn't take the scanner as the last
* argument.
* That's why we explicitly handle the declaration, instead of using our macros.
*/
int tri_v8_lex_init(yyscan_t *ptr_yy_globals)
{
if (ptr_yy_globals == NULL) {
errno = EINVAL;
return 1;
}
*ptr_yy_globals = (yyscan_t)tri_v8_alloc(sizeof(struct yyguts_t), NULL);
if (*ptr_yy_globals == NULL) {
errno = ENOMEM;
return 1;
}
/* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for
* releases. */
memset(*ptr_yy_globals, 0x00, sizeof(struct yyguts_t));
return yy_init_globals(*ptr_yy_globals);
}
/* tri_v8_lex_init_extra has the same functionality as tri_v8_lex_init, but
* follows the
* convention of taking the scanner as the last argument. Note however, that
* this is a *pointer* to a scanner, as it will be allocated by this call (and
* is the reason, too, why this function also must handle its own declaration).
* The user defined value in the first argument will be available to
* tri_v8_alloc in
* the yyextra field.
*/
int tri_v8_lex_init_extra(YY_EXTRA_TYPE yy_user_defined,
yyscan_t *ptr_yy_globals)
{
struct yyguts_t dummy_yyguts;
tri_v8_set_extra(yy_user_defined, &dummy_yyguts);
if (ptr_yy_globals == NULL) {
errno = EINVAL;
return 1;
}
*ptr_yy_globals =
(yyscan_t)tri_v8_alloc(sizeof(struct yyguts_t), &dummy_yyguts);
if (*ptr_yy_globals == NULL) {
errno = ENOMEM;
return 1;
}
/* By setting to 0xAA, we expose bugs in
yy_init_globals. Leave at 0x00 for releases. */
memset(*ptr_yy_globals, 0x00, sizeof(struct yyguts_t));
tri_v8_set_extra(yy_user_defined, *ptr_yy_globals);
return yy_init_globals(*ptr_yy_globals);
}
static int yy_init_globals(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
/* Initialization is the same as for the non-reentrant scanner.
* This function is called from tri_v8_lex_destroy(), so don't allocate here.
*/
yyg->yy_buffer_stack = 0;
yyg->yy_buffer_stack_top = 0;
yyg->yy_buffer_stack_max = 0;
yyg->yy_c_buf_p = (char *)0;
yyg->yy_init = 0;
yyg->yy_start = 0;
yyg->yy_start_stack_ptr = 0;
yyg->yy_start_stack_depth = 0;
yyg->yy_start_stack = NULL;
/* Defined in main.c */
#ifdef YY_STDINIT
yyin = stdin;
yyout = stdout;
#else
yyin = (FILE *)0;
yyout = (FILE *)0;
#endif
/* For future reference: Set errno on error, since we are called by
* tri_v8_lex_init()
*/
return 0;
}
/* tri_v8_lex_destroy is for both reentrant and non-reentrant scanners. */
int tri_v8_lex_destroy(yyscan_t yyscanner) {
struct yyguts_t *yyg = (struct yyguts_t *)yyscanner;
/* Pop the buffer stack, destroying each element. */
while (YY_CURRENT_BUFFER) {
tri_v8__delete_buffer(YY_CURRENT_BUFFER, yyscanner);
YY_CURRENT_BUFFER_LVALUE = NULL;
tri_v8_pop_buffer_state(yyscanner);
}
/* Destroy the stack itself. */
tri_v8_free(yyg->yy_buffer_stack, yyscanner);
yyg->yy_buffer_stack = NULL;
/* Destroy the start condition stack. */
tri_v8_free(yyg->yy_start_stack, yyscanner);
yyg->yy_start_stack = NULL;
/* Reset the globals. This is important in a non-reentrant scanner so the next
* time
* tri_v8_lex() is called, initialization will occur. */
yy_init_globals(yyscanner);
/* Destroy the main struct (reentrant only). */
tri_v8_free(yyscanner, yyscanner);
yyscanner = NULL;
return 0;
}
/*
* Internal utility routines.
*/
#ifndef yytext_ptr
static void yy_flex_strncpy(char *s1, yyconst char *s2, int n,
yyscan_t yyscanner) {
int i;
for (i = 0; i < n; ++i) s1[i] = s2[i];
}
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen(yyconst char *s, yyscan_t yyscanner) {
int n;
for (n = 0; s[n]; ++n)
;
return n;
}
#endif
void *tri_v8_alloc(yy_size_t size, yyscan_t yyscanner) {
return (void *)malloc(size);
}
void *tri_v8_realloc(void *ptr, yy_size_t size, yyscan_t yyscanner) {
/* The cast to (char *) in the following accommodates both
* implementations that use char* generic pointers, and those
* that use void* generic pointers. It works with the latter
* because both ANSI C and C++ allow castless assignment from
* any pointer type to void*, and deal with argument conversions
* as though doing an assignment.
*/
return (void *)realloc((char *)ptr, size);
}
void tri_v8_free(void *ptr, yyscan_t yyscanner) {
free((char *)ptr); /* see tri_v8_realloc() for (char *) cast */
}
#define YYTABLES_NAME "yytables"
// -----------------------------------------------------------------------------
// --SECTION-- forward declarations
// -----------------------------------------------------------------------------
static v8::Handle<v8::Value> ParseObject(v8::Isolate *isolate,
yyscan_t scanner);
static v8::Handle<v8::Value> ParseValue(v8::Isolate *isolate, yyscan_t scanner,
int c);
// -----------------------------------------------------------------------------
// --SECTION-- private functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief parses an array
////////////////////////////////////////////////////////////////////////////////
static v8::Handle<v8::Value> ParseArray(v8::Isolate *isolate,
yyscan_t scanner) {
v8::EscapableHandleScope scope(isolate);
struct yyguts_t *yyg = (struct yyguts_t *)scanner;
v8::Handle<v8::Array> array = v8::Array::New(isolate);
uint32_t pos = 0;
int c = tri_v8_lex(scanner);
while (c != END_OF_FILE) {
if (c == CLOSE_BRACKET) {
return scope.Escape<v8::Value>(array);
}
if (pos > 0) {
if (c != COMMA) {
yyextra._message = "expecting comma";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
c = tri_v8_lex(scanner);
}
v8::Handle<v8::Value> sub = ParseValue(isolate, scanner, c);
if (sub->IsUndefined()) {
yyextra._message = "cannot create value";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
array->Set(pos++, sub);
c = tri_v8_lex(scanner);
}
yyextra._message = "expecting an array element, got end-of-file";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
////////////////////////////////////////////////////////////////////////////////
/// @brief parses an object
////////////////////////////////////////////////////////////////////////////////
static v8::Handle<v8::Value> ParseObject(v8::Isolate *isolate,
yyscan_t scanner) {
v8::EscapableHandleScope scope(isolate);
struct yyguts_t *yyg = (struct yyguts_t *)scanner;
v8::Handle<v8::Object> object = v8::Object::New(isolate);
bool comma = false;
int c = tri_v8_lex(scanner);
while (c != END_OF_FILE) {
if (c == CLOSE_BRACE) {
return scope.Escape<v8::Value>(object);
}
if (comma) {
if (c != COMMA) {
yyextra._message = "expecting comma";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
c = tri_v8_lex(scanner);
} else {
comma = true;
}
// attribute name
v8::Handle<v8::String> attributeName;
if (c == STRING_CONSTANT) {
// utf-8 attribute name
size_t outLength;
char *name = TRI_UnescapeUtf8String(yyextra._memoryZone, yytext + 1,
yyleng - 2, &outLength);
if (name == nullptr) {
yyextra._message = "out-of-memory";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
attributeName = TRI_V8_PAIR_STRING(name, outLength);
TRI_FreeString(yyextra._memoryZone, name);
} else if (c == STRING_CONSTANT_ASCII) {
// ASCII-only attribute name
attributeName = TRI_V8_ASCII_PAIR_STRING(yytext + 1, yyleng - 2);
} else {
yyextra._message = "expecting attribute name";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
// followed by a colon
c = tri_v8_lex(scanner);
if (c != COLON) {
yyextra._message = "expecting colon";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
// followed by an object
c = tri_v8_lex(scanner);
v8::Handle<v8::Value> sub = ParseValue(isolate, scanner, c);
if (sub->IsUndefined()) {
yyextra._message = "cannot create value";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
object->ForceSet(attributeName, sub);
c = tri_v8_lex(scanner);
}
yyextra._message =
"expecting an object attribute name or element, got end-of-file";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
////////////////////////////////////////////////////////////////////////////////
/// @brief parses an object
////////////////////////////////////////////////////////////////////////////////
static v8::Handle<v8::Value> ParseValue(v8::Isolate *isolate, yyscan_t scanner,
int c) {
v8::EscapableHandleScope scope(isolate);
struct yyguts_t *yyg = (struct yyguts_t *)scanner;
switch (c) {
case END_OF_FILE: {
yyextra._message = "expecting atom, got end-of-file";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
case FALSE_CONSTANT: {
return scope.Escape<v8::Value>(v8::False(isolate));
}
case TRUE_CONSTANT: {
return scope.Escape<v8::Value>(v8::True(isolate));
}
case NULL_CONSTANT: {
return scope.Escape<v8::Value>(v8::Null(isolate));
}
case NUMBER_CONSTANT: {
char *ep;
if ((size_t)yyleng >= 512) {
yyextra._message = "number too big";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
// need to reset errno because return value of 0 is not distinguishable
// from an error on Linux
errno = 0;
// yytext is null-terminated. can use it directly without copying it into
// a temporary buffer
double d = strtod(yytext, &ep);
if (d == HUGE_VAL && errno == ERANGE) {
yyextra._message = "number too big";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
if (d == 0.0 && errno == ERANGE) {
yyextra._message = "number too small";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
if (ep != yytext + yyleng) {
yyextra._message = "cannot parse number";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
return scope.Escape<v8::Value>(v8::Number::New(isolate, d));
}
case STRING_CONSTANT: {
if (yyleng <= 2) {
// string is empty
return scope.Escape<v8::Value>(v8::String::Empty(isolate));
}
// string is not empty
size_t outLength;
char *ptr = TRI_UnescapeUtf8String(yyextra._memoryZone, yytext + 1,
yyleng - 2, &outLength);
if (ptr == nullptr || outLength == 0) {
yyextra._message = "out-of-memory";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
v8::Handle<v8::String> str = TRI_V8_PAIR_STRING(ptr, outLength);
TRI_FreeString(yyextra._memoryZone, ptr);
return scope.Escape<v8::Value>(str);
}
case STRING_CONSTANT_ASCII: {
if (yyleng <= 2) {
// string is empty
return scope.Escape<v8::Value>(v8::String::Empty(isolate));
}
// string is not empty
return scope.Escape<v8::Value>(
TRI_V8_ASCII_PAIR_STRING(yytext + 1, yyleng - 2));
}
case OPEN_BRACE: {
return scope.Escape<v8::Value>(ParseObject(isolate, scanner));
}
case CLOSE_BRACE: {
yyextra._message = "expected value, got '}'";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
case OPEN_BRACKET: {
return scope.Escape<v8::Value>(ParseArray(isolate, scanner));
}
case CLOSE_BRACKET: {
yyextra._message = "expected value, got ']'";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
case COMMA: {
yyextra._message = "expected value, got ','";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
case COLON: {
yyextra._message = "expected value, got ':'";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
case UNQUOTED_STRING: {
yyextra._message = "expected value, got unquoted string";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
}
yyextra._message = "unknown atom";
return scope.Escape<v8::Value>(v8::Undefined(isolate));
}
// -----------------------------------------------------------------------------
// --SECTION-- public functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief parses a json string
////////////////////////////////////////////////////////////////////////////////
v8::Handle<v8::Value> TRI_FromJsonString(v8::Isolate *isolate, char const *text,
char **error) {
v8::EscapableHandleScope scope(isolate);
yyscan_t scanner;
tri_v8_lex_init(&scanner);
struct yyguts_t *yyg = (struct yyguts_t *)scanner;
yyextra._memoryZone = TRI_UNKNOWN_MEM_ZONE;
YY_BUFFER_STATE buf = tri_v8__scan_string(text, scanner);
int c = tri_v8_lex(scanner);
v8::Handle<v8::Value> value = ParseValue(isolate, scanner, c);
if (value->IsUndefined()) {
LOG_DEBUG("failed to parse JSON value: '%s'", yyextra._message);
} else {
c = tri_v8_lex(scanner);
if (c != END_OF_FILE) {
value = v8::Undefined(isolate);
LOG_DEBUG("failed to parse JSON value: expecting EOF");
}
}
if (error != nullptr) {
if (yyextra._message != nullptr) {
*error = TRI_DuplicateString(TRI_UNKNOWN_MEM_ZONE, yyextra._message);
} else {
*error = nullptr;
}
}
tri_v8__delete_buffer(buf, scanner);
tri_v8_lex_destroy(scanner);
return scope.Escape<v8::Value>(value);
}
// -----------------------------------------------------------------------------
// --SECTION-- END-OF-FILE
// -----------------------------------------------------------------------------
// Local Variables:
// mode: C
// mode: outline-minor
// outline-regexp: "^\\(/// @brief\\|/// @addtogroup\\|// --SECTION--\\)"
// End:
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