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- #define ASTMM_LIBC ASTMM_REDIRECT
- #include "asterisk.h"
- #line 2 "ast_expr2f.c"
- #line 4 "ast_expr2f.c"
- #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 35
- #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;
- #endif /* ! C99 */
- /* 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 /* ! 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 ast_yyrestart(yyin ,yyscanner )
- #define YY_END_OF_BUFFER_CHAR 0
- /* Size of default input buffer. */
- #ifndef YY_BUF_SIZE
- #define YY_BUF_SIZE 16384
- #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
- #define EOB_ACT_CONTINUE_SCAN 0
- #define EOB_ACT_END_OF_FILE 1
- #define EOB_ACT_LAST_MATCH 2
- #define YY_LESS_LINENO(n)
-
- /* 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_TYPEDEF_YY_SIZE_T
- #define YY_TYPEDEF_YY_SIZE_T
- typedef size_t yy_size_t;
- #endif
- #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.
- */
- int 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 ast_yyrestart()), 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 ast_yyrestart (FILE *input_file ,yyscan_t yyscanner );
- void ast_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
- YY_BUFFER_STATE ast_yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
- void ast_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
- void ast_yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
- void ast_yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
- void ast_yypop_buffer_state (yyscan_t yyscanner );
- static void ast_yyensure_buffer_stack (yyscan_t yyscanner );
- static void ast_yy_load_buffer_state (yyscan_t yyscanner );
- static void ast_yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
- #define YY_FLUSH_BUFFER ast_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
- YY_BUFFER_STATE ast_yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
- YY_BUFFER_STATE ast_yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
- YY_BUFFER_STATE ast_yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner );
- void *ast_yyalloc (yy_size_t ,yyscan_t yyscanner );
- void *ast_yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );
- void ast_yyfree (void * ,yyscan_t yyscanner );
- #define yy_new_buffer ast_yy_create_buffer
- #define yy_set_interactive(is_interactive) \
- { \
- if ( ! YY_CURRENT_BUFFER ){ \
- ast_yyensure_buffer_stack (yyscanner); \
- YY_CURRENT_BUFFER_LVALUE = \
- ast_yy_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 ){\
- ast_yyensure_buffer_stack (yyscanner); \
- YY_CURRENT_BUFFER_LVALUE = \
- ast_yy_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 ast_yywrap(n) 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; \
- yyg->yytext_ptr -= yyg->yy_more_len; \
- yyleng = (size_t) (yy_cp - yyg->yytext_ptr); \
- yyg->yy_hold_char = *yy_cp; \
- *yy_cp = '\0'; \
- yyg->yy_c_buf_p = yy_cp;
- #define YY_NUM_RULES 38
- #define YY_END_OF_BUFFER 39
- /* 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[63] =
- { 0,
- 0, 0, 0, 0, 35, 35, 39, 38, 27, 29,
- 21, 38, 31, 38, 19, 2, 24, 25, 17, 14,
- 15, 16, 18, 30, 22, 10, 3, 9, 20, 1,
- 38, 38, 34, 33, 35, 37, 37, 13, 0, 28,
- 31, 0, 26, 5, 31, 30, 23, 12, 6, 7,
- 11, 4, 8, 0, 34, 33, 35, 0, 36, 32,
- 30, 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, 2, 4, 5, 6, 7, 8, 9, 6, 10,
- 11, 12, 13, 14, 15, 16, 17, 18, 18, 18,
- 18, 18, 18, 18, 18, 18, 18, 19, 6, 20,
- 21, 22, 23, 6, 6, 6, 6, 6, 6, 6,
- 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
- 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
- 1, 6, 1, 6, 6, 1, 6, 6, 6, 6,
- 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
- 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
- 6, 6, 24, 25, 26, 27, 1, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
- 28, 28, 28, 28, 28
- } ;
- static yyconst flex_int32_t yy_meta[29] =
- { 0,
- 1, 2, 2, 2, 1, 3, 3, 2, 2, 2,
- 2, 2, 2, 1, 2, 3, 2, 3, 2, 2,
- 2, 2, 2, 1, 2, 1, 1, 3
- } ;
- static yyconst flex_int16_t yy_base[70] =
- { 0,
- 0, 0, 5, 6, 32, 60, 73, 130, 130, 130,
- 51, 66, 63, 45, 130, 59, 130, 130, 130, 130,
- 130, 130, 130, 83, 45, 42, 13, 41, 130, 32,
- 28, 17, 130, 130, 47, 130, 29, 130, 47, 130,
- 44, 25, 130, 130, 29, 0, 130, 130, 130, 130,
- 130, 130, 130, 18, 130, 130, 38, 12, 130, 130,
- 0, 130, 111, 114, 117, 32, 120, 123, 126
- } ;
- static yyconst flex_int16_t yy_def[70] =
- { 0,
- 62, 1, 63, 63, 64, 64, 62, 62, 62, 62,
- 62, 65, 66, 67, 62, 62, 62, 62, 62, 62,
- 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
- 62, 68, 62, 62, 69, 62, 62, 62, 65, 62,
- 66, 67, 62, 62, 41, 24, 62, 62, 62, 62,
- 62, 62, 62, 68, 62, 62, 69, 62, 62, 62,
- 45, 0, 62, 62, 62, 62, 62, 62, 62
- } ;
- static yyconst flex_int16_t yy_nxt[159] =
- { 0,
- 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
- 18, 19, 20, 21, 22, 13, 23, 24, 25, 26,
- 27, 28, 29, 8, 30, 8, 31, 13, 33, 33,
- 34, 34, 35, 49, 41, 59, 35, 35, 37, 50,
- 55, 55, 56, 56, 58, 35, 61, 35, 60, 35,
- 42, 40, 59, 58, 53, 35, 52, 35, 35, 35,
- 35, 51, 48, 47, 35, 35, 37, 44, 43, 42,
- 40, 38, 62, 35, 62, 35, 62, 35, 62, 62,
- 62, 62, 62, 35, 62, 35, 35, 35, 41, 42,
- 62, 62, 62, 62, 62, 62, 62, 62, 45, 62,
- 46, 62, 62, 62, 62, 62, 62, 62, 62, 62,
- 41, 32, 32, 32, 36, 36, 36, 39, 39, 39,
- 41, 41, 41, 54, 54, 54, 57, 62, 57, 7,
- 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
- 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
- 62, 62, 62, 62, 62, 62, 62, 62
- } ;
- static yyconst flex_int16_t yy_chk[159] =
- { 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, 3, 4,
- 3, 4, 5, 27, 66, 58, 5, 5, 5, 27,
- 32, 54, 32, 54, 57, 5, 45, 5, 42, 5,
- 41, 39, 37, 35, 31, 5, 30, 5, 5, 5,
- 6, 28, 26, 25, 6, 6, 6, 16, 14, 13,
- 12, 11, 7, 6, 0, 6, 0, 6, 0, 0,
- 0, 0, 0, 6, 0, 6, 6, 6, 24, 24,
- 0, 0, 0, 0, 0, 0, 0, 0, 24, 0,
- 24, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 24, 63, 63, 63, 64, 64, 64, 65, 65, 65,
- 67, 67, 67, 68, 68, 68, 69, 0, 69, 62,
- 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
- 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
- 62, 62, 62, 62, 62, 62, 62, 62
- } ;
- /* 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() (yyg->yy_more_flag = 1)
- #define YY_MORE_ADJ yyg->yy_more_len
- #define YY_RESTORE_YY_MORE_OFFSET
- #line 1 "ast_expr2.fl"
- #line 2 "ast_expr2.fl"
- /*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2006, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
- /*! \file
- *
- * \brief Dialplan Expression Lexical Scanner
- */
- #include <sys/types.h>
- #include <stdio.h>
- #if defined(STANDALONE)
- #ifndef __USE_ISOC99
- #define __USE_ISOC99 1
- #endif
- #endif
- #ifdef __USE_ISOC99
- #define FP___PRINTF "%.18Lg"
- #define FP___FMOD fmodl
- #define FP___STRTOD strtold
- #define FP___TYPE long double
- #else
- #define FP___PRINTF "%.16g"
- #define FP___FMOD fmod
- #define FP___STRTOD strtod
- #define FP___TYPE double
- #endif
- #include <stdlib.h>
- #include <string.h>
- #include <locale.h>
- #include <ctype.h>
- #if !defined(SOLARIS) && !defined(__CYGWIN__)
- /* #include <err.h> */
- #else
- #define quad_t int64_t
- #endif
- #include <errno.h>
- #include <regex.h>
- #include <limits.h>
- #include "asterisk/ast_expr.h"
- #include "asterisk/logger.h"
- #ifndef STANDALONE
- #include "asterisk/strings.h"
- #include "asterisk/channel.h"
- #endif
- /* Conditionally redefine the macro from flex 2.5.35, in case someone uses flex <2.5.35 to regenerate this file. */
- #ifndef ECHO
- #define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
- #endif
- enum valtype {
- AST_EXPR_number, AST_EXPR_numeric_string, AST_EXPR_string
- } ;
- struct val {
- enum valtype type;
- union {
- char *s;
- FP___TYPE i; /* long double or just double if it's a bad day */
- } u;
- } ;
- #include "ast_expr2.h" /* the o/p of the bison on ast_expr2.y */
- #define SET_COLUMNS do { \
- yylloc_param->first_column = (int)(yyg->yytext_r - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf); \
- yylloc_param->last_column += yyleng - 1; \
- yylloc_param->first_line = yylloc_param->last_line = 1; \
- } while (0)
- #define SET_STRING do { \
- yylval_param->val = calloc(1, sizeof(struct val)); \
- yylval_param->val->type = AST_EXPR_string; \
- yylval_param->val->u.s = strdup(yytext); \
- } while (0)
- #define SET_NUMERIC_STRING do { \
- yylval_param->val = calloc(1, sizeof(struct val)); \
- yylval_param->val->type = AST_EXPR_numeric_string; \
- yylval_param->val->u.s = strdup(yytext); \
- } while (0)
- struct parse_io
- {
- char *string;
- struct val *val;
- yyscan_t scanner;
- struct ast_channel *chan;
- };
-
- void ast_yyset_column(int column_no, yyscan_t yyscanner);
- int ast_yyget_column(yyscan_t yyscanner);
- static int curlycount = 0;
- static char *expr2_token_subst(const char *mess);
- #line 600 "ast_expr2f.c"
- #define INITIAL 0
- #define var 1
- #define trail 2
- #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
- #ifndef YY_EXTRA_TYPE
- #define YY_EXTRA_TYPE void *
- #endif
- /* 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;
- int yy_n_chars;
- int 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;
- YYSTYPE * yylval_r;
- YYLTYPE * yylloc_r;
- }; /* end struct yyguts_t */
- static int yy_init_globals (yyscan_t yyscanner );
- /* This must go here because YYSTYPE and YYLTYPE are included
- * from bison output in section 1.*/
- # define yylval yyg->yylval_r
-
- # define yylloc yyg->yylloc_r
-
- int ast_yylex_init (yyscan_t* scanner);
- int ast_yylex_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 ast_yylex_destroy (yyscan_t yyscanner );
- int ast_yyget_debug (yyscan_t yyscanner );
- void ast_yyset_debug (int debug_flag ,yyscan_t yyscanner );
- YY_EXTRA_TYPE ast_yyget_extra (yyscan_t yyscanner );
- void ast_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
- FILE *ast_yyget_in (yyscan_t yyscanner );
- void ast_yyset_in (FILE * in_str ,yyscan_t yyscanner );
- FILE *ast_yyget_out (yyscan_t yyscanner );
- void ast_yyset_out (FILE * out_str ,yyscan_t yyscanner );
- int ast_yyget_leng (yyscan_t yyscanner );
- char *ast_yyget_text (yyscan_t yyscanner );
- int ast_yyget_lineno (yyscan_t yyscanner );
- void ast_yyset_lineno (int line_number ,yyscan_t yyscanner );
- YYSTYPE * ast_yyget_lval (yyscan_t yyscanner );
- void ast_yyset_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );
- YYLTYPE *ast_yyget_lloc (yyscan_t yyscanner );
-
- void ast_yyset_lloc (YYLTYPE * yylloc_param ,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 ast_yywrap (yyscan_t yyscanner );
- #else
- extern int ast_yywrap (yyscan_t yyscanner );
- #endif
- #endif
- static void yyunput (int c,char *buf_ptr ,yyscan_t yyscanner);
-
- #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
- #define YY_READ_BUF_SIZE 8192
- #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 fwrite( yytext, yyleng, 1, yyout )
- #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 = '*'; \
- int 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 ast_yylex \
- (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);
- #define YY_DECL int ast_yylex \
- (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , 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
- {
- register yy_state_type yy_current_state;
- register char *yy_cp, *yy_bp;
- register int yy_act;
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- #line 128 "ast_expr2.fl"
- #line 846 "ast_expr2f.c"
- yylval = yylval_param;
- yylloc = yylloc_param;
- 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 ) {
- ast_yyensure_buffer_stack (yyscanner);
- YY_CURRENT_BUFFER_LVALUE =
- ast_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
- }
- ast_yy_load_buffer_state(yyscanner );
- }
- while ( 1 ) /* loops until end-of-file is reached */
- {
- yyg->yy_more_len = 0;
- if ( yyg->yy_more_flag )
- {
- yyg->yy_more_len = yyg->yy_c_buf_p - yyg->yytext_ptr;
- yyg->yy_more_flag = 0;
- }
- 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
- {
- register 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 >= 63 )
- 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 != 62 );
- 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
- #line 130 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_OR;}
- YY_BREAK
- case 2:
- YY_RULE_SETUP
- #line 131 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_AND;}
- YY_BREAK
- case 3:
- YY_RULE_SETUP
- #line 132 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_EQ;}
- YY_BREAK
- case 4:
- YY_RULE_SETUP
- #line 133 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_OR;}
- YY_BREAK
- case 5:
- YY_RULE_SETUP
- #line 134 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_AND;}
- YY_BREAK
- case 6:
- YY_RULE_SETUP
- #line 135 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_EQ;}
- YY_BREAK
- case 7:
- YY_RULE_SETUP
- #line 136 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_EQTILDE;}
- YY_BREAK
- case 8:
- YY_RULE_SETUP
- #line 137 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_TILDETILDE;}
- YY_BREAK
- case 9:
- YY_RULE_SETUP
- #line 138 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_GT;}
- YY_BREAK
- case 10:
- YY_RULE_SETUP
- #line 139 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_LT;}
- YY_BREAK
- case 11:
- YY_RULE_SETUP
- #line 140 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_GE;}
- YY_BREAK
- case 12:
- YY_RULE_SETUP
- #line 141 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_LE;}
- YY_BREAK
- case 13:
- YY_RULE_SETUP
- #line 142 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_NE;}
- YY_BREAK
- case 14:
- YY_RULE_SETUP
- #line 143 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_PLUS;}
- YY_BREAK
- case 15:
- YY_RULE_SETUP
- #line 144 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_COMMA;}
- YY_BREAK
- case 16:
- YY_RULE_SETUP
- #line 145 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_MINUS;}
- YY_BREAK
- case 17:
- YY_RULE_SETUP
- #line 146 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_MULT;}
- YY_BREAK
- case 18:
- YY_RULE_SETUP
- #line 147 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_DIV;}
- YY_BREAK
- case 19:
- YY_RULE_SETUP
- #line 148 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_MOD;}
- YY_BREAK
- case 20:
- YY_RULE_SETUP
- #line 149 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_COND;}
- YY_BREAK
- case 21:
- YY_RULE_SETUP
- #line 150 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_COMPL;}
- YY_BREAK
- case 22:
- YY_RULE_SETUP
- #line 151 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_COLON;}
- YY_BREAK
- case 23:
- YY_RULE_SETUP
- #line 152 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_COLONCOLON;}
- YY_BREAK
- case 24:
- YY_RULE_SETUP
- #line 153 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_LP;}
- YY_BREAK
- case 25:
- YY_RULE_SETUP
- #line 154 "ast_expr2.fl"
- { SET_COLUMNS; SET_STRING; return TOK_RP;}
- YY_BREAK
- case 26:
- YY_RULE_SETUP
- #line 155 "ast_expr2.fl"
- {
- /* gather the contents of ${} expressions, with trailing stuff,
- * into a single TOKEN.
- * They are much more complex now than they used to be
- */
- curlycount = 0;
- BEGIN(var);
- yymore();
- }
- YY_BREAK
- case 27:
- YY_RULE_SETUP
- #line 165 "ast_expr2.fl"
- {}
- YY_BREAK
- case 28:
- /* rule 28 can match eol */
- YY_RULE_SETUP
- #line 166 "ast_expr2.fl"
- {SET_COLUMNS; SET_STRING; return TOKEN;}
- YY_BREAK
- case 29:
- /* rule 29 can match eol */
- YY_RULE_SETUP
- #line 168 "ast_expr2.fl"
- {/* what to do with eol */}
- YY_BREAK
- case 30:
- YY_RULE_SETUP
- #line 169 "ast_expr2.fl"
- {
- SET_COLUMNS;
- /* the original behavior of the expression parser was
- * to bring in numbers as a numeric string
- */
- SET_NUMERIC_STRING;
- return TOKEN;
- }
- YY_BREAK
- case 31:
- /* rule 31 can match eol */
- YY_RULE_SETUP
- #line 178 "ast_expr2.fl"
- {
- SET_COLUMNS;
- SET_STRING;
- return TOKEN;
- }
- YY_BREAK
- case 32:
- /* rule 32 can match eol */
- YY_RULE_SETUP
- #line 184 "ast_expr2.fl"
- {
- curlycount = 0;
- BEGIN(var);
- yymore();
- }
- YY_BREAK
- case 33:
- /* rule 33 can match eol */
- YY_RULE_SETUP
- #line 190 "ast_expr2.fl"
- {
- curlycount--;
- if (curlycount < 0) {
- BEGIN(trail);
- yymore();
- } else {
- yymore();
- }
- }
- YY_BREAK
- case 34:
- /* rule 34 can match eol */
- YY_RULE_SETUP
- #line 200 "ast_expr2.fl"
- {
- curlycount++;
- yymore();
- }
- YY_BREAK
- case 35:
- YY_RULE_SETUP
- #line 206 "ast_expr2.fl"
- {
- BEGIN(0);
- SET_COLUMNS;
- SET_STRING;
- return TOKEN;
- }
- YY_BREAK
- case 36:
- YY_RULE_SETUP
- #line 213 "ast_expr2.fl"
- {
- curlycount = 0;
- BEGIN(var);
- yymore();
- }
- YY_BREAK
- case 37:
- /* rule 37 can match eol */
- YY_RULE_SETUP
- #line 219 "ast_expr2.fl"
- {
- char c = yytext[yyleng-1];
- BEGIN(0);
- unput(c);
- SET_COLUMNS;
- SET_STRING;
- return TOKEN;
- }
- YY_BREAK
- case YY_STATE_EOF(trail):
- #line 228 "ast_expr2.fl"
- {
- BEGIN(0);
- SET_COLUMNS;
- SET_STRING;
- return TOKEN;
- /*actually, if an expr is only a variable ref, this could happen a LOT */
- }
- YY_BREAK
- case 38:
- YY_RULE_SETUP
- #line 236 "ast_expr2.fl"
- ECHO;
- YY_BREAK
- #line 1192 "ast_expr2f.c"
- case YY_STATE_EOF(INITIAL):
- case YY_STATE_EOF(var):
- 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
- * ast_yylex(). 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 ( ast_yywrap(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 ast_yylex */
- /* 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;
- register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
- register char *source = yyg->yytext_ptr;
- register 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
- {
- int 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;
- int yy_c_buf_p_offset =
- (int) (yyg->yy_c_buf_p - b->yy_ch_buf);
- if ( b->yy_is_our_buffer )
- {
- int 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. */
- ast_yyrealloc((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, (size_t) 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;
- ast_yyrestart(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 *) ast_yyrealloc((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)
- {
- register yy_state_type yy_current_state;
- register 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 )
- {
- register 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 >= 63 )
- 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)
- {
- register int yy_is_jam;
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
- register char *yy_cp = yyg->yy_c_buf_p;
- register 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 >= 63 )
- 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 == 62);
- return yy_is_jam ? 0 : yy_current_state;
- }
- static void yyunput (int c, register char * yy_bp , yyscan_t yyscanner)
- {
- register char *yy_cp;
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- yy_cp = yyg->yy_c_buf_p;
- /* undo effects of setting up yytext */
- *yy_cp = yyg->yy_hold_char;
- if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
- { /* need to shift things up to make room */
- /* +2 for EOB chars. */
- register int number_to_move = yyg->yy_n_chars + 2;
- register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
- YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
- register char *source =
- &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
- while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
- *--dest = *--source;
- yy_cp += (int) (dest - source);
- yy_bp += (int) (dest - source);
- YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
- yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
- if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
- YY_FATAL_ERROR( "flex scanner push-back overflow" );
- }
- *--yy_cp = (char) c;
- yyg->yytext_ptr = yy_bp;
- yyg->yy_hold_char = *yy_cp;
- yyg->yy_c_buf_p = yy_cp;
- }
- #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 */
- int 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. */
- ast_yyrestart(yyin ,yyscanner);
- /*FALLTHROUGH*/
- case EOB_ACT_END_OF_FILE:
- {
- if ( ast_yywrap(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 ast_yyrestart (FILE * input_file , yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- if ( ! YY_CURRENT_BUFFER ){
- ast_yyensure_buffer_stack (yyscanner);
- YY_CURRENT_BUFFER_LVALUE =
- ast_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
- }
- ast_yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
- ast_yy_load_buffer_state(yyscanner );
- }
- /** Switch to a different input buffer.
- * @param new_buffer The new input buffer.
- * @param yyscanner The scanner object.
- */
- void ast_yy_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
- * ast_yypop_buffer_state();
- * ast_yypush_buffer_state(new_buffer);
- */
- ast_yyensure_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;
- ast_yy_load_buffer_state(yyscanner );
- /* We don't actually know whether we did this switch during
- * EOF (ast_yywrap()) processing, but the only time this flag
- * is looked at is after ast_yywrap() is called, so it's safe
- * to go ahead and always set it.
- */
- yyg->yy_did_buffer_switch_on_eof = 1;
- }
- static void ast_yy_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 ast_yy_create_buffer (FILE * file, int size , yyscan_t yyscanner)
- {
- YY_BUFFER_STATE b;
-
- b = (YY_BUFFER_STATE) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
- if ( ! b )
- YY_FATAL_ERROR( "out of dynamic memory in ast_yy_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 *) ast_yyalloc(b->yy_buf_size + 2 ,yyscanner );
- if ( ! b->yy_ch_buf )
- YY_FATAL_ERROR( "out of dynamic memory in ast_yy_create_buffer()" );
- b->yy_is_our_buffer = 1;
- ast_yy_init_buffer(b,file ,yyscanner);
- return b;
- }
- /** Destroy the buffer.
- * @param b a buffer created with ast_yy_create_buffer()
- * @param yyscanner The scanner object.
- */
- void ast_yy_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 )
- ast_yyfree((void *) b->yy_ch_buf ,yyscanner );
- ast_yyfree((void *) b ,yyscanner );
- }
- #ifndef __cplusplus
- extern int isatty (int );
- #endif /* __cplusplus */
-
- /* Initializes or reinitializes a buffer.
- * This function is sometimes called more than once on the same buffer,
- * such as during a ast_yyrestart() or at EOF.
- */
- static void ast_yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner)
- {
- int oerrno = errno;
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- ast_yy_flush_buffer(b ,yyscanner);
- b->yy_input_file = file;
- b->yy_fill_buffer = 1;
- /* If b is the current buffer, then ast_yy_init_buffer was _probably_
- * called from ast_yyrestart() 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 ast_yy_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 )
- ast_yy_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 ast_yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- if (new_buffer == NULL)
- return;
- ast_yyensure_buffer_stack(yyscanner);
- /* This block is copied from ast_yy_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 ast_yy_switch_to_buffer. */
- ast_yy_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 ast_yypop_buffer_state (yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- if (!YY_CURRENT_BUFFER)
- return;
- ast_yy_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) {
- ast_yy_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 ast_yyensure_buffer_stack (yyscan_t yyscanner)
- {
- int 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**)ast_yyalloc
- (num_to_alloc * sizeof(struct yy_buffer_state*)
- , yyscanner);
- if ( ! yyg->yy_buffer_stack )
- YY_FATAL_ERROR( "out of dynamic memory in ast_yyensure_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**)ast_yyrealloc
- (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 ast_yyensure_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 ast_yy_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) ast_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
- if ( ! b )
- YY_FATAL_ERROR( "out of dynamic memory in ast_yy_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;
- ast_yy_switch_to_buffer(b ,yyscanner );
- return b;
- }
- /** Setup the input buffer state to scan a string. The next call to ast_yylex() 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
- * ast_yy_scan_bytes() instead.
- */
- YY_BUFFER_STATE ast_yy_scan_string (yyconst char * yystr , yyscan_t yyscanner)
- {
-
- return ast_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
- }
- /** Setup the input buffer state to scan the given bytes. The next call to ast_yylex() will
- * scan from a @e copy of @a bytes.
- * @param bytes the byte buffer to scan
- * @param 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 ast_yy_scan_bytes (yyconst char * yybytes, int _yybytes_len , yyscan_t yyscanner)
- {
- YY_BUFFER_STATE b;
- char *buf;
- yy_size_t n;
- int i;
-
- /* Get memory for full buffer, including space for trailing EOB's. */
- n = _yybytes_len + 2;
- buf = (char *) ast_yyalloc(n ,yyscanner );
- if ( ! buf )
- YY_FATAL_ERROR( "out of dynamic memory in ast_yy_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 = ast_yy_scan_buffer(buf,n ,yyscanner);
- if ( ! b )
- YY_FATAL_ERROR( "bad buffer in ast_yy_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 ast_yyget_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 ast_yyget_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 ast_yyget_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 *ast_yyget_in (yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- return yyin;
- }
- /** Get the output stream.
- * @param yyscanner The scanner object.
- */
- FILE *ast_yyget_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.
- */
- int ast_yyget_leng (yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- return yyleng;
- }
- /** Get the current token.
- * @param yyscanner The scanner object.
- */
- char *ast_yyget_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 ast_yyset_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 ast_yyset_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( "ast_yyset_lineno called with no buffer" , yyscanner);
-
- yylineno = line_number;
- }
- /** Set the current column.
- * @param line_number
- * @param yyscanner The scanner object.
- */
- void ast_yyset_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( "ast_yyset_column called with no buffer" , yyscanner);
-
- 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 ast_yy_switch_to_buffer
- */
- void ast_yyset_in (FILE * in_str , yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- yyin = in_str ;
- }
- void ast_yyset_out (FILE * out_str , yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- yyout = out_str ;
- }
- int ast_yyget_debug (yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- return yy_flex_debug;
- }
- void ast_yyset_debug (int bdebug , yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- yy_flex_debug = bdebug ;
- }
- /* Accessor methods for yylval and yylloc */
- YYSTYPE * ast_yyget_lval (yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- return yylval;
- }
- void ast_yyset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- yylval = yylval_param;
- }
- YYLTYPE *ast_yyget_lloc (yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- return yylloc;
- }
-
- void ast_yyset_lloc (YYLTYPE * yylloc_param , yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- yylloc = yylloc_param;
- }
-
- /* User-visible API */
- /* ast_yylex_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 ast_yylex_init(yyscan_t* ptr_yy_globals)
- {
- if (ptr_yy_globals == NULL){
- errno = EINVAL;
- return 1;
- }
- *ptr_yy_globals = (yyscan_t) ast_yyalloc ( 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 );
- }
- /* ast_yylex_init_extra has the same functionality as ast_yylex_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 ast_yyalloc in
- * the yyextra field.
- */
- int ast_yylex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals )
- {
- struct yyguts_t dummy_yyguts;
- ast_yyset_extra (yy_user_defined, &dummy_yyguts);
- if (ptr_yy_globals == NULL){
- errno = EINVAL;
- return 1;
- }
-
- *ptr_yy_globals = (yyscan_t) ast_yyalloc ( 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));
-
- ast_yyset_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 ast_yylex_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
- * ast_yylex_init()
- */
- return 0;
- }
- /* ast_yylex_destroy is for both reentrant and non-reentrant scanners. */
- int ast_yylex_destroy (yyscan_t yyscanner)
- {
- struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
- /* Pop the buffer stack, destroying each element. */
- while(YY_CURRENT_BUFFER){
- ast_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
- YY_CURRENT_BUFFER_LVALUE = NULL;
- ast_yypop_buffer_state(yyscanner);
- }
- /* Destroy the stack itself. */
- ast_yyfree(yyg->yy_buffer_stack ,yyscanner);
- yyg->yy_buffer_stack = NULL;
- /* Destroy the start condition stack. */
- ast_yyfree(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
- * ast_yylex() is called, initialization will occur. */
- yy_init_globals( yyscanner);
- /* Destroy the main struct (reentrant only). */
- ast_yyfree ( 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)
- {
- register 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)
- {
- register int n;
- for ( n = 0; s[n]; ++n )
- ;
- return n;
- }
- #endif
- void *ast_yyalloc (yy_size_t size , yyscan_t yyscanner)
- {
- return (void *) malloc( size );
- }
- void *ast_yyrealloc (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 );
- }
- #define YYTABLES_NAME "yytables"
- #line 236 "ast_expr2.fl"
- /* I'm putting the interface routine to the whole parse here in the flexer input file
- mainly because of all the flexer initialization that has to be done. Shouldn't matter
- where it is, as long as it's somewhere. I didn't want to define a prototype for the
- ast_yy_scan_string in the .y file, because then, I'd have to define YY_BUFFER_STATE there...
- UGH! that would be inappropriate. */
- int ast_yyparse(void *); /* need to/should define this prototype for the call to yyparse */
- int ast_yyerror(const char *, YYLTYPE *, struct parse_io *); /* likewise */
- void ast_yyfree(void *ptr, yyscan_t yyscanner)
- {
- /* the normal generated ast_yyfree func just frees its first arg;
- this get complaints on some systems, as sometimes this
- arg is a nil ptr! It's usually not fatal, but is irritating! */
- free( (char *) ptr );
- }
- int ast_expr(char *expr, char *buf, int length, struct ast_channel *chan)
- {
- struct parse_io io = { .string = expr, .chan = chan };
- int return_value = 0;
- ast_yylex_init(&io.scanner);
- ast_yy_scan_string(expr, io.scanner);
- ast_yyparse ((void *) &io);
- ast_yylex_destroy(io.scanner);
- if (!io.val) {
- if (length > 1) {
- strcpy(buf, "0");
- return_value = 1;
- }
- } else {
- if (io.val->type == AST_EXPR_number) {
- int res_length;
- res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i);
- return_value = (res_length <= length) ? res_length : length;
- } else {
- if (io.val->u.s)
- #if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE)
- strncpy(buf, io.val->u.s, length - 1);
- #else /* !STANDALONE && !LOW_MEMORY */
- ast_copy_string(buf, io.val->u.s, length);
- #endif /* STANDALONE || LOW_MEMORY */
- else
- buf[0] = 0;
- return_value = strlen(buf);
- free(io.val->u.s);
- }
- free(io.val);
- }
- return return_value;
- }
- #ifndef STANDALONE
- int ast_str_expr(struct ast_str **str, ssize_t maxlen, struct ast_channel *chan, char *expr)
- {
- struct parse_io io = { .string = expr, .chan = chan };
- ast_yylex_init(&io.scanner);
- ast_yy_scan_string(expr, io.scanner);
- ast_yyparse ((void *) &io);
- ast_yylex_destroy(io.scanner);
- if (!io.val) {
- ast_str_set(str, maxlen, "0");
- } else {
- if (io.val->type == AST_EXPR_number) {
- ast_str_set(str, maxlen, FP___PRINTF, io.val->u.i);
- } else if (io.val->u.s) {
- ast_str_set(str, maxlen, "%s", io.val->u.s);
- free(io.val->u.s);
- }
- free(io.val);
- }
- return ast_str_strlen(*str);
- }
- #endif
- char extra_error_message[4095];
- int extra_error_message_supplied = 0;
- void ast_expr_register_extra_error_info(char *message);
- void ast_expr_clear_extra_error_info(void);
- void ast_expr_register_extra_error_info(char *message)
- {
- extra_error_message_supplied=1;
- strcpy(extra_error_message, message);
- }
- void ast_expr_clear_extra_error_info(void)
- {
- extra_error_message_supplied=0;
- extra_error_message[0] = 0;
- }
- static const char * const expr2_token_equivs1[] =
- {
- "TOKEN",
- "TOK_COND",
- "TOK_COLONCOLON",
- "TOK_OR",
- "TOK_AND",
- "TOK_EQ",
- "TOK_GT",
- "TOK_LT",
- "TOK_GE",
- "TOK_LE",
- "TOK_NE",
- "TOK_PLUS",
- "TOK_MINUS",
- "TOK_MULT",
- "TOK_DIV",
- "TOK_MOD",
- "TOK_COMPL",
- "TOK_COLON",
- "TOK_EQTILDE",
- "TOK_COMMA",
- "TOK_RP",
- "TOK_LP"
- };
- static const char * const expr2_token_equivs2[] =
- {
- "<token>",
- "?",
- "::",
- "|",
- "&",
- "=",
- ">",
- "<",
- ">=",
- "<=",
- "!=",
- "+",
- "-",
- "*",
- "/",
- "%",
- "!",
- ":",
- "=~",
- ",",
- ")",
- "("
- };
- static char *expr2_token_subst(const char *mess)
- {
- /* calc a length, malloc, fill, and return; yyerror had better free it! */
- int len=0,i;
- const char *p;
- char *res, *s;
- const char *t;
- int expr2_token_equivs_entries = sizeof(expr2_token_equivs1)/sizeof(char*);
- for (p=mess; *p; p++) {
- for (i=0; i<expr2_token_equivs_entries; i++) {
- if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 )
- {
- len+=strlen(expr2_token_equivs2[i])+2;
- p += strlen(expr2_token_equivs1[i])-1;
- break;
- }
- }
- len++;
- }
- res = (char*)malloc(len+1);
- res[0] = 0;
- s = res;
- for (p=mess; *p;) {
- int found = 0;
- for (i=0; i<expr2_token_equivs_entries; i++) {
- if ( strncmp(p,expr2_token_equivs1[i],strlen(expr2_token_equivs1[i])) == 0 ) {
- *s++ = '\'';
- for (t=expr2_token_equivs2[i]; *t;) {
- *s++ = *t++;
- }
- *s++ = '\'';
- p += strlen(expr2_token_equivs1[i]);
- found = 1;
- break;
- }
- }
- if( !found )
- *s++ = *p++;
- }
- *s++ = 0;
- return res;
- }
- int ast_yyerror (const char *s, yyltype *loc, struct parse_io *parseio )
- {
- struct yyguts_t * yyg = (struct yyguts_t*)(parseio->scanner);
- char spacebuf[8000]; /* best safe than sorry */
- int i=0;
- char *s2 = expr2_token_subst(s);
- spacebuf[0] = 0;
- for (i = 0; i < (int)(yytext - YY_CURRENT_BUFFER_LVALUE->yy_ch_buf); i++) {
- spacebuf[i] = ' ';
- }
- /* uh... assuming yyg is defined, then I can use the yycolumn macro,
- which is the same thing as... get this:
- yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]->yy_bs_column
- I was tempted to just use yy_buf_pos in the STATE, but..., well:
- a. the yy_buf_pos is the current position in the buffer, which
- may not relate to the entire string/buffer because of the
- buffering.
- b. but, analysis of the situation is that when you use the
- ast_yy_scan_string func, it creates a single buffer the size of
- string, so the two would be the same...
- so, in the end, the yycolumn macro is available, shorter, therefore easier. */
- spacebuf[i++] = '^';
- spacebuf[i] = 0;
- #ifdef STANDALONE3
- /* easier to read in the standalone version */
- printf("ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",
- (extra_error_message_supplied ? extra_error_message : ""), s2, parseio->string, spacebuf);
- #else
- ast_log(LOG_WARNING,"ast_yyerror(): %s syntax error: %s; Input:\n%s\n%s\n",
- (extra_error_message_supplied ? extra_error_message : ""), s2, parseio->string, spacebuf);
- #endif
- #ifndef STANDALONE
- ast_log(LOG_WARNING,"If you have questions, please refer to https://docs.asterisk.org/Configuration/Dialplan/Variables/Channel-Variables/\n");
- #endif
- free(s2);
- return(0);
- }
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