diff options
Diffstat (limited to 'server/util_expr_scan.c')
| -rw-r--r-- | server/util_expr_scan.c | 2669 |
1 files changed, 2669 insertions, 0 deletions
diff --git a/server/util_expr_scan.c b/server/util_expr_scan.c new file mode 100644 index 0000000..ba759f2 --- /dev/null +++ b/server/util_expr_scan.c @@ -0,0 +1,2669 @@ +#line 2 "util_expr_scan.c" + +#line 4 "util_expr_scan.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; + +/* 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 ap_expr_yyrestart(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 + +#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 ap_expr_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 ap_expr_yyrestart (FILE *input_file ,yyscan_t yyscanner ); +void ap_expr_yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +YY_BUFFER_STATE ap_expr_yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner ); +void ap_expr_yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void ap_expr_yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner ); +void ap_expr_yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner ); +void ap_expr_yypop_buffer_state (yyscan_t yyscanner ); + +static void ap_expr_yyensure_buffer_stack (yyscan_t yyscanner ); +static void ap_expr_yy_load_buffer_state (yyscan_t yyscanner ); +static void ap_expr_yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner ); + +#define YY_FLUSH_BUFFER ap_expr_yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner) + +YY_BUFFER_STATE ap_expr_yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner ); +YY_BUFFER_STATE ap_expr_yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner ); +YY_BUFFER_STATE ap_expr_yy_scan_bytes (yyconst char *bytes,int len ,yyscan_t yyscanner ); + +void *ap_expr_yyalloc (yy_size_t ,yyscan_t yyscanner ); +void *ap_expr_yyrealloc (void *,yy_size_t ,yyscan_t yyscanner ); +void ap_expr_yyfree (void * ,yyscan_t yyscanner ); + +#define yy_new_buffer ap_expr_yy_create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + ap_expr_yyensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + ap_expr_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 ){\ + ap_expr_yyensure_buffer_stack (yyscanner); \ + YY_CURRENT_BUFFER_LVALUE = \ + ap_expr_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 ap_expr_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; \ + 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 67 +#define YY_END_OF_BUFFER 68 +/* 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[124] = + { 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 68, 66, 1, 43, 2, 66, 66, 66, + 65, 66, 44, 26, 63, 32, 30, 34, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, 64, 66, + 14, 4, 3, 17, 17, 67, 17, 23, 4, 22, + 20, 21, 67, 16, 16, 24, 27, 29, 28, 1, + 31, 37, 19, 18, 39, 63, 59, 59, 59, 59, + 59, 59, 33, 30, 36, 35, 64, 64, 57, 64, + 55, 54, 58, 53, 52, 25, 25, 56, 64, 40, + 64, 41, 14, 13, 15, 12, 5, 6, 10, 11, + + 7, 8, 9, 20, 60, 46, 48, 50, 45, 49, + 51, 47, 38, 64, 42, 64, 5, 6, 64, 61, + 5, 62, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 1, 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, 5, 10, + 10, 1, 1, 11, 12, 13, 14, 15, 15, 15, + 15, 15, 15, 15, 15, 16, 16, 17, 6, 18, + 19, 20, 6, 1, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, + 1, 22, 1, 6, 23, 1, 24, 25, 21, 26, + + 27, 28, 29, 21, 30, 21, 21, 31, 32, 33, + 34, 21, 35, 36, 37, 38, 39, 21, 21, 21, + 21, 21, 40, 41, 42, 43, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 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[44] = + { 0, + 1, 1, 2, 1, 2, 1, 2, 2, 1, 1, + 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, + 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, + 1, 2, 1 + } ; + +static yyconst flex_int16_t yy_base[133] = + { 0, + 0, 0, 41, 47, 89, 0, 130, 136, 0, 0, + 147, 146, 175, 275, 54, 28, 275, 43, 134, 164, + 275, 164, 275, 275, 45, 152, 32, 151, 0, 136, + 133, 143, 26, 133, 35, 194, 38, 129, 128, 122, + 0, 275, 275, 51, 122, 221, 275, 275, 275, 275, + 0, 275, 275, 61, 121, 275, 275, 275, 275, 76, + 275, 275, 275, 275, 275, 65, 0, 125, 47, 126, + 107, 130, 275, 275, 275, 275, 0, 130, 0, 124, + 0, 0, 0, 0, 0, 275, 0, 0, 104, 0, + 101, 275, 0, 275, 275, 275, 71, 131, 275, 275, + + 275, 275, 275, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 99, 0, 61, 133, 135, 57, 0, + 138, 0, 275, 259, 262, 265, 79, 67, 268, 271, + 65, 42 + } ; + +static yyconst flex_int16_t yy_def[133] = + { 0, + 123, 1, 124, 124, 123, 5, 124, 124, 125, 125, + 126, 126, 123, 123, 123, 123, 123, 123, 123, 123, + 123, 127, 123, 123, 123, 123, 123, 123, 128, 128, + 128, 128, 128, 128, 128, 128, 128, 128, 128, 123, + 129, 123, 123, 123, 123, 130, 123, 123, 123, 123, + 131, 123, 123, 123, 123, 123, 123, 123, 123, 123, + 123, 123, 123, 123, 123, 123, 132, 132, 132, 132, + 132, 132, 123, 123, 123, 123, 128, 128, 128, 128, + 128, 128, 128, 128, 128, 123, 128, 128, 128, 128, + 128, 123, 129, 123, 123, 123, 123, 123, 123, 123, + + 123, 123, 123, 131, 132, 132, 132, 132, 132, 132, + 132, 132, 128, 128, 128, 128, 123, 123, 128, 128, + 123, 128, 0, 123, 123, 123, 123, 123, 123, 123, + 123, 123 + } ; + +static yyconst flex_int16_t yy_nxt[319] = + { 0, + 14, 15, 15, 16, 17, 14, 18, 19, 20, 21, + 21, 22, 23, 24, 25, 25, 21, 26, 27, 28, + 29, 14, 14, 30, 29, 29, 31, 32, 33, 34, + 35, 36, 37, 38, 29, 29, 29, 39, 29, 21, + 40, 21, 14, 42, 105, 43, 61, 44, 45, 42, + 74, 43, 81, 44, 45, 60, 60, 63, 63, 66, + 66, 84, 46, 82, 88, 94, 94, 104, 46, 77, + 62, 89, 85, 107, 75, 94, 94, 60, 60, 66, + 66, 67, 47, 122, 108, 117, 118, 120, 47, 48, + 48, 49, 48, 48, 48, 48, 48, 48, 48, 48, + + 48, 48, 48, 48, 48, 50, 48, 48, 48, 51, + 48, 48, 51, 51, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 51, 51, 51, 51, 48, 48, + 52, 48, 42, 110, 53, 119, 54, 55, 42, 116, + 53, 115, 54, 55, 111, 118, 118, 121, 118, 118, + 118, 46, 118, 118, 114, 113, 112, 46, 109, 106, + 95, 95, 92, 91, 90, 83, 80, 79, 78, 76, + 73, 56, 65, 64, 123, 59, 59, 56, 66, 66, + 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, + 68, 123, 69, 70, 71, 123, 72, 86, 86, 86, + + 86, 86, 123, 123, 86, 86, 86, 86, 123, 123, + 86, 123, 123, 123, 123, 123, 87, 123, 123, 123, + 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, + 123, 123, 123, 123, 86, 97, 98, 123, 123, 123, + 123, 123, 123, 123, 123, 99, 123, 123, 100, 123, + 123, 123, 123, 101, 123, 123, 102, 123, 103, 41, + 41, 41, 57, 57, 57, 58, 58, 58, 93, 123, + 93, 96, 96, 96, 13, 123, 123, 123, 123, 123, + 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, + 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, + + 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, + 123, 123, 123, 123, 123, 123, 123, 123 + } ; + +static yyconst flex_int16_t yy_chk[319] = + { 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, 1, 1, 1, 1, + 1, 1, 1, 3, 132, 3, 16, 3, 3, 4, + 27, 4, 33, 4, 4, 15, 15, 18, 18, 25, + 25, 35, 3, 33, 37, 44, 44, 131, 4, 128, + 16, 37, 35, 69, 27, 54, 54, 60, 60, 66, + 66, 127, 3, 119, 69, 97, 97, 116, 4, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 7, 71, 7, 114, 7, 7, 8, 91, + 8, 89, 8, 8, 71, 98, 98, 117, 117, 118, + 118, 7, 121, 121, 80, 78, 72, 8, 70, 68, + 55, 45, 40, 39, 38, 34, 32, 31, 30, 28, + 26, 7, 20, 19, 13, 12, 11, 8, 22, 22, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 22, 0, 22, 22, 22, 0, 22, 36, 36, 36, + + 36, 36, 0, 0, 36, 36, 36, 36, 0, 0, + 36, 0, 0, 0, 0, 0, 36, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 36, 46, 46, 0, 0, 0, + 0, 0, 0, 0, 0, 46, 0, 0, 46, 0, + 0, 0, 0, 46, 0, 0, 46, 0, 46, 124, + 124, 124, 125, 125, 125, 126, 126, 126, 129, 0, + 129, 130, 130, 130, 123, 123, 123, 123, 123, 123, + 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, + 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, + + 123, 123, 123, 123, 123, 123, 123, 123, 123, 123, + 123, 123, 123, 123, 123, 123, 123, 123 + } ; + +/* 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 +#line 1 "util_expr_scan.l" +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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. + */ +/* + * ap_expr_scan.l, based on ssl_expr_scan.l from mod_ssl + */ +/* _________________________________________________________________ +** +** Expression Scanner +** _________________________________________________________________ +*/ +#define YY_NO_INPUT 1 + + + + +#line 43 "util_expr_scan.l" +#include "util_expr_private.h" +#include "util_expr_parse.h" + +#undef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ +{ \ + if ((result = MIN(max_size, yyextra->inputbuf \ + + yyextra->inputlen \ + - yyextra->inputptr)) <= 0) \ + { \ + result = YY_NULL; \ + } \ + else { \ + memcpy(buf, yyextra->inputptr, result); \ + yyextra->inputptr += result; \ + } \ +} + +#define YY_EXTRA_TYPE ap_expr_parse_ctx_t* + +#define PERROR(msg) do { yyextra->error2 = msg ; return T_ERROR; } while (0) + +#define str_ptr (yyextra->scan_ptr) +#define str_buf (yyextra->scan_buf) +#define str_del (yyextra->scan_del) + +#define STR_APPEND(c) do { \ + *str_ptr++ = (c); \ + if (str_ptr >= str_buf + sizeof(str_buf)) \ + PERROR("String too long"); \ + } while (0) + +#line 615 "util_expr_scan.c" + +#define INITIAL 0 +#define str 1 +#define var 2 +#define vararg 3 +#define regex 4 +#define regex_flags 5 + +#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; + + }; /* 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 + +int ap_expr_yylex_init (yyscan_t* scanner); + +int ap_expr_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 ap_expr_yylex_destroy (yyscan_t yyscanner ); + +int ap_expr_yyget_debug (yyscan_t yyscanner ); + +void ap_expr_yyset_debug (int debug_flag ,yyscan_t yyscanner ); + +YY_EXTRA_TYPE ap_expr_yyget_extra (yyscan_t yyscanner ); + +void ap_expr_yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner ); + +FILE *ap_expr_yyget_in (yyscan_t yyscanner ); + +void ap_expr_yyset_in (FILE * in_str ,yyscan_t yyscanner ); + +FILE *ap_expr_yyget_out (yyscan_t yyscanner ); + +void ap_expr_yyset_out (FILE * out_str ,yyscan_t yyscanner ); + +int ap_expr_yyget_leng (yyscan_t yyscanner ); + +char *ap_expr_yyget_text (yyscan_t yyscanner ); + +int ap_expr_yyget_lineno (yyscan_t yyscanner ); + +void ap_expr_yyset_lineno (int line_number ,yyscan_t yyscanner ); + +YYSTYPE * ap_expr_yyget_lval (yyscan_t yyscanner ); + +void ap_expr_yyset_lval (YYSTYPE * yylval_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 ap_expr_yywrap (yyscan_t yyscanner ); +#else +extern int ap_expr_yywrap (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 + + static void yy_push_state (int new_state ,yyscan_t yyscanner); + + static void yy_pop_state (yyscan_t yyscanner ); + +/* 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 ap_expr_yylex \ + (YYSTYPE * yylval_param ,yyscan_t yyscanner); + +#define YY_DECL int ap_expr_yylex \ + (YYSTYPE * yylval_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 78 "util_expr_scan.l" + + + char regex_buf[MAX_STRING_LEN]; + char *regex_ptr = NULL; + char regex_del = '\0'; + + + /* + * Set initial state for string expressions + */ + if (yyextra->at_start) { + yyextra->at_start = 0; + if (yyextra->flags & AP_EXPR_FLAG_STRING_RESULT) { + BEGIN(str); + return T_EXPR_STRING; + } + else { + return T_EXPR_BOOL; + } + } + + + /* + * Whitespaces + */ +#line 886 "util_expr_scan.c" + + yylval = yylval_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 ) { + ap_expr_yyensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + ap_expr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + ap_expr_yy_load_buffer_state(yyscanner ); + } + + 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 + { + 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 >= 124 ) + 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 != 123 ); + 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: +/* rule 1 can match eol */ +YY_RULE_SETUP +#line 103 "util_expr_scan.l" +{ + /* NOP */ +} + YY_BREAK +/* + * strings ("..." and '...') + */ +case 2: +YY_RULE_SETUP +#line 110 "util_expr_scan.l" +{ + str_ptr = str_buf; + str_del = yytext[0]; + BEGIN(str); + return T_STR_BEGIN; +} + YY_BREAK +case 3: +YY_RULE_SETUP +#line 116 "util_expr_scan.l" +{ + if (yytext[0] == str_del) { + if (YY_START == var) { + PERROR("Unterminated variable in string"); + } + else if (str_ptr == str_buf) { + BEGIN(INITIAL); + return T_STR_END; + } + else { + /* return what we have so far and scan delimiter again */ + *str_ptr = '\0'; + yylval->cpVal = apr_pstrdup(yyextra->pool, str_buf); + yyless(0); + str_ptr = str_buf; + return T_STRING; + } + } + else { + STR_APPEND(yytext[0]); + } +} + YY_BREAK +case 4: +/* rule 4 can match eol */ +YY_RULE_SETUP +#line 138 "util_expr_scan.l" +{ + PERROR("Unterminated string or variable"); +} + YY_BREAK +case YY_STATE_EOF(var): +case YY_STATE_EOF(vararg): +#line 141 "util_expr_scan.l" +{ + PERROR("Unterminated string or variable"); +} + YY_BREAK +case YY_STATE_EOF(str): +#line 144 "util_expr_scan.l" +{ + if (!(yyextra->flags & AP_EXPR_FLAG_STRING_RESULT)) { + PERROR("Unterminated string or variable"); + } + else { + *str_ptr = '\0'; + yylval->cpVal = apr_pstrdup(yyextra->pool, str_buf); + str_ptr = str_buf; + BEGIN(INITIAL); + return T_STRING; + } +} + YY_BREAK +case 5: +YY_RULE_SETUP +#line 157 "util_expr_scan.l" +{ + int result; + + (void)sscanf(yytext+1, "%o", &result); + if (result > 0xff) { + PERROR("Escape sequence out of bound"); + } + else { + STR_APPEND(result); + } +} + YY_BREAK +case 6: +YY_RULE_SETUP +#line 168 "util_expr_scan.l" +{ + PERROR("Bad escape sequence"); +} + YY_BREAK +case 7: +YY_RULE_SETUP +#line 171 "util_expr_scan.l" +{ STR_APPEND('\n'); } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 172 "util_expr_scan.l" +{ STR_APPEND('\r'); } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 173 "util_expr_scan.l" +{ STR_APPEND('\t'); } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 174 "util_expr_scan.l" +{ STR_APPEND('\b'); } + YY_BREAK +case 11: +YY_RULE_SETUP +#line 175 "util_expr_scan.l" +{ STR_APPEND('\f'); } + YY_BREAK +case 12: +/* rule 12 can match eol */ +YY_RULE_SETUP +#line 176 "util_expr_scan.l" +{ STR_APPEND(yytext[1]); } + YY_BREAK +/* regexp backref inside string/arg */ +case 13: +YY_RULE_SETUP +#line 179 "util_expr_scan.l" +{ + if (str_ptr != str_buf) { + /* return what we have so far and scan '$x' again */ + *str_ptr = '\0'; + yylval->cpVal = apr_pstrdup(yyextra->pool, str_buf); + str_ptr = str_buf; + yyless(0); + return T_STRING; + } + else { + yylval->num = yytext[1] - '0'; + return T_REGEX_BACKREF; + } +} + YY_BREAK +case 14: +YY_RULE_SETUP +#line 194 "util_expr_scan.l" +{ + char *cp = yytext; + while (*cp != '\0') { + STR_APPEND(*cp); + cp++; + } +} + YY_BREAK +/* variable inside string/arg */ +case 15: +YY_RULE_SETUP +#line 203 "util_expr_scan.l" +{ + if (str_ptr != str_buf) { + /* return what we have so far and scan '%{' again */ + *str_ptr = '\0'; + yylval->cpVal = apr_pstrdup(yyextra->pool, str_buf); + yyless(0); + str_ptr = str_buf; + return T_STRING; + } + else { + yy_push_state(var, yyscanner); + return T_VAR_BEGIN; + } +} + YY_BREAK +case 16: +YY_RULE_SETUP +#line 218 "util_expr_scan.l" +{ + STR_APPEND(yytext[0]); +} + YY_BREAK +case 17: +YY_RULE_SETUP +#line 222 "util_expr_scan.l" +{ + STR_APPEND(yytext[0]); +} + YY_BREAK +case 18: +YY_RULE_SETUP +#line 226 "util_expr_scan.l" +{ + yy_push_state(var, yyscanner); + return T_VAR_BEGIN; +} + YY_BREAK +case 19: +YY_RULE_SETUP +#line 231 "util_expr_scan.l" +{ + yylval->num = yytext[1] - '0'; + return T_REGEX_BACKREF; +} + YY_BREAK +/* + * fixed name variable expansion %{XXX} and function call in %{func:arg} syntax + */ +case 20: +YY_RULE_SETUP +#line 239 "util_expr_scan.l" +{ + yylval->cpVal = apr_pstrdup(yyextra->pool, yytext); + return T_ID; +} + YY_BREAK +case 21: +YY_RULE_SETUP +#line 244 "util_expr_scan.l" +{ + yy_pop_state(yyscanner); + return T_VAR_END; +} + YY_BREAK +case 22: +YY_RULE_SETUP +#line 249 "util_expr_scan.l" +{ + BEGIN(vararg); + return yytext[0]; +} + YY_BREAK +case 23: +/* rule 23 can match eol */ +YY_RULE_SETUP +#line 254 "util_expr_scan.l" +{ + char *msg = apr_psprintf(yyextra->pool, + "Invalid character in variable name '%c'", yytext[0]); + PERROR(msg); +} + YY_BREAK +case 24: +YY_RULE_SETUP +#line 260 "util_expr_scan.l" +{ + if (str_ptr != str_buf) { + /* return what we have so far and scan '}' again */ + *str_ptr = '\0'; + yylval->cpVal = apr_pstrdup(yyextra->pool, str_buf); + str_ptr = str_buf; + yyless(0); + return T_STRING; + } + else { + yy_pop_state(yyscanner); + return T_VAR_END; + } +} + YY_BREAK +/* + * Regular Expression + */ +case 25: +YY_RULE_SETUP +#line 278 "util_expr_scan.l" +{ + regex_del = yytext[1]; + regex_ptr = regex_buf; + BEGIN(regex); +} + YY_BREAK +case 26: +YY_RULE_SETUP +#line 283 "util_expr_scan.l" +{ + regex_del = yytext[0]; + regex_ptr = regex_buf; + BEGIN(regex); +} + YY_BREAK +case 27: +/* rule 27 can match eol */ +YY_RULE_SETUP +#line 288 "util_expr_scan.l" +{ + if (yytext[0] == regex_del) { + *regex_ptr = '\0'; + BEGIN(regex_flags); + } + else { + *regex_ptr++ = yytext[0]; + if (regex_ptr >= regex_buf + sizeof(regex_buf)) + PERROR("Regexp too long"); + } +} + YY_BREAK +case 28: +YY_RULE_SETUP +#line 299 "util_expr_scan.l" +{ + yylval->cpVal = apr_pstrdup(yyextra->pool, regex_buf); + BEGIN(INITIAL); + return T_REGEX_I; +} + YY_BREAK +case 29: +/* rule 29 can match eol */ +YY_RULE_SETUP +#line 304 "util_expr_scan.l" +{ + yylval->cpVal = apr_pstrdup(yyextra->pool, regex_buf); + yyless(0); + BEGIN(INITIAL); + return T_REGEX; +} + YY_BREAK +case YY_STATE_EOF(regex_flags): +#line 310 "util_expr_scan.l" +{ + yylval->cpVal = apr_pstrdup(yyextra->pool, regex_buf); + BEGIN(INITIAL); + return T_REGEX; +} + YY_BREAK +/* + * Operators + */ +case 30: +YY_RULE_SETUP +#line 319 "util_expr_scan.l" +{ return T_OP_STR_EQ; } + YY_BREAK +case 31: +YY_RULE_SETUP +#line 320 "util_expr_scan.l" +{ return T_OP_STR_NE; } + YY_BREAK +case 32: +YY_RULE_SETUP +#line 321 "util_expr_scan.l" +{ return T_OP_STR_LT; } + YY_BREAK +case 33: +YY_RULE_SETUP +#line 322 "util_expr_scan.l" +{ return T_OP_STR_LE; } + YY_BREAK +case 34: +YY_RULE_SETUP +#line 323 "util_expr_scan.l" +{ return T_OP_STR_GT; } + YY_BREAK +case 35: +YY_RULE_SETUP +#line 324 "util_expr_scan.l" +{ return T_OP_STR_GE; } + YY_BREAK +case 36: +YY_RULE_SETUP +#line 325 "util_expr_scan.l" +{ return T_OP_REG; } + YY_BREAK +case 37: +YY_RULE_SETUP +#line 326 "util_expr_scan.l" +{ return T_OP_NRE; } + YY_BREAK +case 38: +YY_RULE_SETUP +#line 327 "util_expr_scan.l" +{ return T_OP_AND; } + YY_BREAK +case 39: +YY_RULE_SETUP +#line 328 "util_expr_scan.l" +{ return T_OP_AND; } + YY_BREAK +case 40: +YY_RULE_SETUP +#line 329 "util_expr_scan.l" +{ return T_OP_OR; } + YY_BREAK +case 41: +YY_RULE_SETUP +#line 330 "util_expr_scan.l" +{ return T_OP_OR; } + YY_BREAK +case 42: +YY_RULE_SETUP +#line 331 "util_expr_scan.l" +{ return T_OP_NOT; } + YY_BREAK +case 43: +YY_RULE_SETUP +#line 332 "util_expr_scan.l" +{ return T_OP_NOT; } + YY_BREAK +case 44: +YY_RULE_SETUP +#line 333 "util_expr_scan.l" +{ return T_OP_CONCAT; } + YY_BREAK +case 45: +YY_RULE_SETUP +#line 334 "util_expr_scan.l" +{ return T_OP_IN; } + YY_BREAK +case 46: +YY_RULE_SETUP +#line 335 "util_expr_scan.l" +{ return T_OP_EQ; } + YY_BREAK +case 47: +YY_RULE_SETUP +#line 336 "util_expr_scan.l" +{ return T_OP_NE; } + YY_BREAK +case 48: +YY_RULE_SETUP +#line 337 "util_expr_scan.l" +{ return T_OP_GE; } + YY_BREAK +case 49: +YY_RULE_SETUP +#line 338 "util_expr_scan.l" +{ return T_OP_LE; } + YY_BREAK +case 50: +YY_RULE_SETUP +#line 339 "util_expr_scan.l" +{ return T_OP_GT; } + YY_BREAK +case 51: +YY_RULE_SETUP +#line 340 "util_expr_scan.l" +{ return T_OP_LT; } + YY_BREAK +/* for compatibility with ssl_expr */ +case 52: +YY_RULE_SETUP +#line 343 "util_expr_scan.l" +{ return T_OP_LT; } + YY_BREAK +case 53: +YY_RULE_SETUP +#line 344 "util_expr_scan.l" +{ return T_OP_LE; } + YY_BREAK +case 54: +YY_RULE_SETUP +#line 345 "util_expr_scan.l" +{ return T_OP_GT; } + YY_BREAK +case 55: +YY_RULE_SETUP +#line 346 "util_expr_scan.l" +{ return T_OP_GE; } + YY_BREAK +case 56: +YY_RULE_SETUP +#line 347 "util_expr_scan.l" +{ return T_OP_NE; } + YY_BREAK +case 57: +YY_RULE_SETUP +#line 348 "util_expr_scan.l" +{ return T_OP_EQ; } + YY_BREAK +case 58: +YY_RULE_SETUP +#line 349 "util_expr_scan.l" +{ return T_OP_IN; } + YY_BREAK +case 59: +YY_RULE_SETUP +#line 351 "util_expr_scan.l" +{ + yylval->cpVal = apr_pstrdup(yyextra->pool, yytext + 1); + return T_OP_UNARY; +} + YY_BREAK +case 60: +YY_RULE_SETUP +#line 356 "util_expr_scan.l" +{ + yylval->cpVal = apr_pstrdup(yyextra->pool, yytext + 1); + return T_OP_BINARY; +} + YY_BREAK +/* + * Specials + */ +case 61: +YY_RULE_SETUP +#line 364 "util_expr_scan.l" +{ return T_TRUE; } + YY_BREAK +case 62: +YY_RULE_SETUP +#line 365 "util_expr_scan.l" +{ return T_FALSE; } + YY_BREAK +/* + * Digits + */ +case 63: +YY_RULE_SETUP +#line 370 "util_expr_scan.l" +{ + yylval->cpVal = apr_pstrdup(yyextra->pool, yytext); + return T_DIGIT; +} + YY_BREAK +/* + * Identifiers + */ +case 64: +YY_RULE_SETUP +#line 378 "util_expr_scan.l" +{ + yylval->cpVal = apr_pstrdup(yyextra->pool, yytext); + return T_ID; +} + YY_BREAK +/* + * These are parts of the grammar and are returned as is + */ +case 65: +YY_RULE_SETUP +#line 386 "util_expr_scan.l" +{ + return yytext[0]; +} + YY_BREAK +/* + * Anything else is an error + */ +case 66: +/* rule 66 can match eol */ +YY_RULE_SETUP +#line 393 "util_expr_scan.l" +{ + char *msg = apr_psprintf(yyextra->pool, "Parse error near '%c'", yytext[0]); + PERROR(msg); +} + YY_BREAK +case 67: +YY_RULE_SETUP +#line 398 "util_expr_scan.l" +YY_FATAL_ERROR( "flex scanner jammed" ); + YY_BREAK +#line 1523 "util_expr_scan.c" +case YY_STATE_EOF(INITIAL): +case YY_STATE_EOF(regex): + 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 + * ap_expr_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 ( ap_expr_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 ap_expr_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. */ + ap_expr_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; + ap_expr_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 *) ap_expr_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 >= 124 ) + 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 >= 124 ) + 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 == 123); + + 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 */ + 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. */ + ap_expr_yyrestart(yyin ,yyscanner); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( ap_expr_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 ap_expr_yyrestart (FILE * input_file , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + if ( ! YY_CURRENT_BUFFER ){ + ap_expr_yyensure_buffer_stack (yyscanner); + YY_CURRENT_BUFFER_LVALUE = + ap_expr_yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); + } + + ap_expr_yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner); + ap_expr_yy_load_buffer_state(yyscanner ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * @param yyscanner The scanner object. + */ + void ap_expr_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 + * ap_expr_yypop_buffer_state(); + * ap_expr_yypush_buffer_state(new_buffer); + */ + ap_expr_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; + ap_expr_yy_load_buffer_state(yyscanner ); + + /* We don't actually know whether we did this switch during + * EOF (ap_expr_yywrap()) processing, but the only time this flag + * is looked at is after ap_expr_yywrap() is called, so it's safe + * to go ahead and always set it. + */ + yyg->yy_did_buffer_switch_on_eof = 1; +} + +static void ap_expr_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 ap_expr_yy_create_buffer (FILE * file, int size , yyscan_t yyscanner) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) ap_expr_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in ap_expr_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 *) ap_expr_yyalloc(b->yy_buf_size + 2 ,yyscanner ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in ap_expr_yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + ap_expr_yy_init_buffer(b,file ,yyscanner); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with ap_expr_yy_create_buffer() + * @param yyscanner The scanner object. + */ + void ap_expr_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 ) + ap_expr_yyfree((void *) b->yy_ch_buf ,yyscanner ); + + ap_expr_yyfree((void *) b ,yyscanner ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a ap_expr_yyrestart() or at EOF. + */ + static void ap_expr_yy_init_buffer (YY_BUFFER_STATE b, FILE * file , yyscan_t yyscanner) + +{ + int oerrno = errno; + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + ap_expr_yy_flush_buffer(b ,yyscanner); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then ap_expr_yy_init_buffer was _probably_ + * called from ap_expr_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 = 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 ap_expr_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 ) + ap_expr_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 ap_expr_yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (new_buffer == NULL) + return; + + ap_expr_yyensure_buffer_stack(yyscanner); + + /* This block is copied from ap_expr_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 ap_expr_yy_switch_to_buffer. */ + ap_expr_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 ap_expr_yypop_buffer_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if (!YY_CURRENT_BUFFER) + return; + + ap_expr_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) { + ap_expr_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 ap_expr_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**)ap_expr_yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + , yyscanner); + if ( ! yyg->yy_buffer_stack ) + YY_FATAL_ERROR( "out of dynamic memory in ap_expr_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**)ap_expr_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 ap_expr_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 ap_expr_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) ap_expr_yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in ap_expr_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; + + ap_expr_yy_switch_to_buffer(b ,yyscanner ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to ap_expr_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 + * ap_expr_yy_scan_bytes() instead. + */ +YY_BUFFER_STATE ap_expr_yy_scan_string (yyconst char * yystr , yyscan_t yyscanner) +{ + + return ap_expr_yy_scan_bytes(yystr,strlen(yystr) ,yyscanner); +} + +/** Setup the input buffer state to scan the given bytes. The next call to ap_expr_yylex() 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 ap_expr_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 *) ap_expr_yyalloc(n ,yyscanner ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in ap_expr_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 = ap_expr_yy_scan_buffer(buf,n ,yyscanner); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in ap_expr_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; +} + + static void yy_push_state (int new_state , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if ( yyg->yy_start_stack_ptr >= yyg->yy_start_stack_depth ) + { + yy_size_t new_size; + + yyg->yy_start_stack_depth += YY_START_STACK_INCR; + new_size = yyg->yy_start_stack_depth * sizeof( int ); + + if ( ! yyg->yy_start_stack ) + yyg->yy_start_stack = (int *) ap_expr_yyalloc(new_size ,yyscanner ); + + else + yyg->yy_start_stack = (int *) ap_expr_yyrealloc((void *) yyg->yy_start_stack,new_size ,yyscanner ); + + if ( ! yyg->yy_start_stack ) + YY_FATAL_ERROR( "out of memory expanding start-condition stack" ); + } + + yyg->yy_start_stack[yyg->yy_start_stack_ptr++] = YY_START; + + BEGIN(new_state); +} + + static void yy_pop_state (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + if ( --yyg->yy_start_stack_ptr < 0 ) + YY_FATAL_ERROR( "start-condition stack underflow" ); + + BEGIN(yyg->yy_start_stack[yyg->yy_start_stack_ptr]); +} + +#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 ap_expr_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 ap_expr_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. + */ + +/** Get the input stream. + * @param yyscanner The scanner object. + */ +FILE *ap_expr_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 *ap_expr_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 ap_expr_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 *ap_expr_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 ap_expr_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 ap_expr_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( "ap_expr_yyset_lineno called with no buffer" , yyscanner); + + yylineno = line_number; +} + +/** Set the current column. + * @param line_number + * @param yyscanner The scanner object. + */ + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * @param yyscanner The scanner object. + * @see ap_expr_yy_switch_to_buffer + */ +void ap_expr_yyset_in (FILE * in_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyin = in_str ; +} + +void ap_expr_yyset_out (FILE * out_str , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yyout = out_str ; +} + +int ap_expr_yyget_debug (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yy_flex_debug; +} + +void ap_expr_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 * ap_expr_yyget_lval (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + return yylval; +} + +void ap_expr_yyset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + yylval = yylval_param; +} + +/* User-visible API */ + +/* ap_expr_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 ap_expr_yylex_init(yyscan_t* ptr_yy_globals) + +{ + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) ap_expr_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 ); +} + +/* ap_expr_yylex_init_extra has the same functionality as ap_expr_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 ap_expr_yyalloc in + * the yyextra field. + */ + +int ap_expr_yylex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals ) + +{ + struct yyguts_t dummy_yyguts; + + ap_expr_yyset_extra (yy_user_defined, &dummy_yyguts); + + if (ptr_yy_globals == NULL){ + errno = EINVAL; + return 1; + } + + *ptr_yy_globals = (yyscan_t) ap_expr_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)); + + ap_expr_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 ap_expr_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 + * ap_expr_yylex_init() + */ + return 0; +} + +/* ap_expr_yylex_destroy is for both reentrant and non-reentrant scanners. */ +int ap_expr_yylex_destroy (yyscan_t yyscanner) +{ + struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + ap_expr_yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner ); + YY_CURRENT_BUFFER_LVALUE = NULL; + ap_expr_yypop_buffer_state(yyscanner); + } + + /* Destroy the stack itself. */ + ap_expr_yyfree(yyg->yy_buffer_stack ,yyscanner); + yyg->yy_buffer_stack = NULL; + + /* Destroy the start condition stack. */ + ap_expr_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 + * ap_expr_yylex() is called, initialization will occur. */ + yy_init_globals( yyscanner); + + /* Destroy the main struct (reentrant only). */ + ap_expr_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 *ap_expr_yyalloc (yy_size_t size , yyscan_t yyscanner) +{ + return (void *) malloc( size ); +} + +void *ap_expr_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 ); +} + +void ap_expr_yyfree (void * ptr , yyscan_t yyscanner) +{ + free( (char *) ptr ); /* see ap_expr_yyrealloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 398 "util_expr_scan.l" + + + + + |