diff options
Diffstat (limited to 'src/lib/eval/lexer.cc')
| -rw-r--r-- | src/lib/eval/lexer.cc | 2996 |
1 files changed, 2996 insertions, 0 deletions
diff --git a/src/lib/eval/lexer.cc b/src/lib/eval/lexer.cc new file mode 100644 index 0000000..5855ede --- /dev/null +++ b/src/lib/eval/lexer.cc @@ -0,0 +1,2996 @@ +#line 1 "lexer.cc" + +#line 3 "lexer.cc" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +/* %not-for-header */ +/* %if-c-only */ +/* %if-not-reentrant */ +#define yy_create_buffer eval_create_buffer +#define yy_delete_buffer eval_delete_buffer +#define yy_scan_buffer eval_scan_buffer +#define yy_scan_string eval_scan_string +#define yy_scan_bytes eval_scan_bytes +#define yy_init_buffer eval_init_buffer +#define yy_flush_buffer eval_flush_buffer +#define yy_load_buffer_state eval_load_buffer_state +#define yy_switch_to_buffer eval_switch_to_buffer +#define yypush_buffer_state evalpush_buffer_state +#define yypop_buffer_state evalpop_buffer_state +#define yyensure_buffer_stack evalensure_buffer_stack +#define yy_flex_debug eval_flex_debug +#define yyin evalin +#define yyleng evalleng +#define yylex evallex +#define yylineno evallineno +#define yyout evalout +#define yyrestart evalrestart +#define yytext evaltext +#define yywrap evalwrap +#define yyalloc evalalloc +#define yyrealloc evalrealloc +#define yyfree evalfree + +/* %endif */ +/* %endif */ +/* %ok-for-header */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 6 +#define YY_FLEX_SUBMINOR_VERSION 4 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* %if-c++-only */ +/* %endif */ + +/* %if-c-only */ +#ifdef yy_create_buffer +#define eval_create_buffer_ALREADY_DEFINED +#else +#define yy_create_buffer eval_create_buffer +#endif + +#ifdef yy_delete_buffer +#define eval_delete_buffer_ALREADY_DEFINED +#else +#define yy_delete_buffer eval_delete_buffer +#endif + +#ifdef yy_scan_buffer +#define eval_scan_buffer_ALREADY_DEFINED +#else +#define yy_scan_buffer eval_scan_buffer +#endif + +#ifdef yy_scan_string +#define eval_scan_string_ALREADY_DEFINED +#else +#define yy_scan_string eval_scan_string +#endif + +#ifdef yy_scan_bytes +#define eval_scan_bytes_ALREADY_DEFINED +#else +#define yy_scan_bytes eval_scan_bytes +#endif + +#ifdef yy_init_buffer +#define eval_init_buffer_ALREADY_DEFINED +#else +#define yy_init_buffer eval_init_buffer +#endif + +#ifdef yy_flush_buffer +#define eval_flush_buffer_ALREADY_DEFINED +#else +#define yy_flush_buffer eval_flush_buffer +#endif + +#ifdef yy_load_buffer_state +#define eval_load_buffer_state_ALREADY_DEFINED +#else +#define yy_load_buffer_state eval_load_buffer_state +#endif + +#ifdef yy_switch_to_buffer +#define eval_switch_to_buffer_ALREADY_DEFINED +#else +#define yy_switch_to_buffer eval_switch_to_buffer +#endif + +#ifdef yypush_buffer_state +#define evalpush_buffer_state_ALREADY_DEFINED +#else +#define yypush_buffer_state evalpush_buffer_state +#endif + +#ifdef yypop_buffer_state +#define evalpop_buffer_state_ALREADY_DEFINED +#else +#define yypop_buffer_state evalpop_buffer_state +#endif + +#ifdef yyensure_buffer_stack +#define evalensure_buffer_stack_ALREADY_DEFINED +#else +#define yyensure_buffer_stack evalensure_buffer_stack +#endif + +#ifdef yylex +#define evallex_ALREADY_DEFINED +#else +#define yylex evallex +#endif + +#ifdef yyrestart +#define evalrestart_ALREADY_DEFINED +#else +#define yyrestart evalrestart +#endif + +#ifdef yylex_init +#define evallex_init_ALREADY_DEFINED +#else +#define yylex_init evallex_init +#endif + +#ifdef yylex_init_extra +#define evallex_init_extra_ALREADY_DEFINED +#else +#define yylex_init_extra evallex_init_extra +#endif + +#ifdef yylex_destroy +#define evallex_destroy_ALREADY_DEFINED +#else +#define yylex_destroy evallex_destroy +#endif + +#ifdef yyget_debug +#define evalget_debug_ALREADY_DEFINED +#else +#define yyget_debug evalget_debug +#endif + +#ifdef yyset_debug +#define evalset_debug_ALREADY_DEFINED +#else +#define yyset_debug evalset_debug +#endif + +#ifdef yyget_extra +#define evalget_extra_ALREADY_DEFINED +#else +#define yyget_extra evalget_extra +#endif + +#ifdef yyset_extra +#define evalset_extra_ALREADY_DEFINED +#else +#define yyset_extra evalset_extra +#endif + +#ifdef yyget_in +#define evalget_in_ALREADY_DEFINED +#else +#define yyget_in evalget_in +#endif + +#ifdef yyset_in +#define evalset_in_ALREADY_DEFINED +#else +#define yyset_in evalset_in +#endif + +#ifdef yyget_out +#define evalget_out_ALREADY_DEFINED +#else +#define yyget_out evalget_out +#endif + +#ifdef yyset_out +#define evalset_out_ALREADY_DEFINED +#else +#define yyset_out evalset_out +#endif + +#ifdef yyget_leng +#define evalget_leng_ALREADY_DEFINED +#else +#define yyget_leng evalget_leng +#endif + +#ifdef yyget_text +#define evalget_text_ALREADY_DEFINED +#else +#define yyget_text evalget_text +#endif + +#ifdef yyget_lineno +#define evalget_lineno_ALREADY_DEFINED +#else +#define yyget_lineno evalget_lineno +#endif + +#ifdef yyset_lineno +#define evalset_lineno_ALREADY_DEFINED +#else +#define yyset_lineno evalset_lineno +#endif + +#ifdef yywrap +#define evalwrap_ALREADY_DEFINED +#else +#define yywrap evalwrap +#endif + +/* %endif */ + +#ifdef yyalloc +#define evalalloc_ALREADY_DEFINED +#else +#define yyalloc evalalloc +#endif + +#ifdef yyrealloc +#define evalrealloc_ALREADY_DEFINED +#else +#define yyrealloc evalrealloc +#endif + +#ifdef yyfree +#define evalfree_ALREADY_DEFINED +#else +#define yyfree evalfree +#endif + +/* %if-c-only */ + +#ifdef yytext +#define evaltext_ALREADY_DEFINED +#else +#define yytext evaltext +#endif + +#ifdef yyleng +#define evalleng_ALREADY_DEFINED +#else +#define yyleng evalleng +#endif + +#ifdef yyin +#define evalin_ALREADY_DEFINED +#else +#define yyin evalin +#endif + +#ifdef yyout +#define evalout_ALREADY_DEFINED +#else +#define yyout evalout +#endif + +#ifdef yy_flex_debug +#define eval_flex_debug_ALREADY_DEFINED +#else +#define yy_flex_debug eval_flex_debug +#endif + +#ifdef yylineno +#define evallineno_ALREADY_DEFINED +#else +#define yylineno evallineno +#endif + +/* %endif */ + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +/* %if-c-only */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> +/* %endif */ + +/* %if-tables-serialization */ +/* %endif */ +/* end standard C headers. */ + +/* %if-c-or-c++ */ +/* 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 + +#ifndef SIZE_MAX +#define SIZE_MAX (~(size_t)0) +#endif + +#endif /* ! C99 */ + +#endif /* ! FLEXINT_H */ + +/* %endif */ + +/* begin standard C++ headers. */ +/* %if-c++-only */ +/* %endif */ + +/* TODO: this is always defined, so inline it */ +#define yyconst const + +#if defined(__GNUC__) && __GNUC__ >= 3 +#define yynoreturn __attribute__((__noreturn__)) +#else +#define yynoreturn +#endif + +/* %not-for-header */ +/* Returned upon end-of-file. */ +#define YY_NULL 0 +/* %ok-for-header */ + +/* %not-for-header */ +/* Promotes a possibly negative, possibly signed char to an + * integer in range [0..255] for use as an array index. + */ +#define YY_SC_TO_UI(c) ((YY_CHAR) (c)) +/* %ok-for-header */ + +/* %if-reentrant */ +/* %endif */ + +/* %if-not-reentrant */ + +/* %endif */ + +/* 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 (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 (((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 yyrestart( yyin ) +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k. + * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. + * Ditto for the __ia64__ case accordingly. + */ +#define YY_BUF_SIZE 32768 +#else +#define YY_BUF_SIZE 16384 +#endif /* __ia64__ */ +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +/* %if-not-reentrant */ +extern int yyleng; +/* %endif */ + +/* %if-c-only */ +/* %if-not-reentrant */ +extern FILE *yyin, *yyout; +/* %endif */ +/* %endif */ + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires + * access to the local variable yy_act. Since yyless() is a macro, it would break + * existing scanners that call yyless() from OUTSIDE yylex. + * One obvious solution it to make yy_act a global. I tried that, and saw + * a 5% performance hit in a non-yylineno scanner, because yy_act is + * normally declared as a register variable-- so it is not worth it. + */ + #define YY_LESS_LINENO(n) \ + do { \ + int yyl;\ + for ( yyl = n; yyl < yyleng; ++yyl )\ + if ( yytext[yyl] == '\n' )\ + --yylineno;\ + }while(0) + #define YY_LINENO_REWIND_TO(dst) \ + do {\ + const char *p;\ + for ( p = yy_cp-1; p >= (dst); --p)\ + if ( *p == '\n' )\ + --yylineno;\ + }while(0) + +/* 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 = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (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, (yytext_ptr) ) + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { +/* %if-c-only */ + FILE *yy_input_file; +/* %endif */ + +/* %if-c++-only */ +/* %endif */ + + 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. + */ + int 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 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 */ + +/* %if-c-only Standard (non-C++) definition */ +/* %not-for-header */ +/* %if-not-reentrant */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */ +/* %endif */ +/* %ok-for-header */ + +/* %endif */ + +/* 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 ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(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 (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* %if-c-only Standard (non-C++) definition */ + +/* %if-not-reentrant */ +/* %not-for-header */ +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static int yy_n_chars; /* number of characters read into yy_ch_buf */ +int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = NULL; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; +/* %ok-for-header */ + +/* %endif */ + +void yyrestart ( FILE *input_file ); +void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size ); +void yy_delete_buffer ( YY_BUFFER_STATE b ); +void yy_flush_buffer ( YY_BUFFER_STATE b ); +void yypush_buffer_state ( YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state ( void ); + +static void yyensure_buffer_stack ( void ); +static void yy_load_buffer_state ( void ); +static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file ); +#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size ); +YY_BUFFER_STATE yy_scan_string ( const char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len ); + +/* %endif */ + +void *yyalloc ( yy_size_t ); +void *yyrealloc ( void *, yy_size_t ); +void yyfree ( void * ); + +#define yy_new_buffer yy_create_buffer +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer( yyin, YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer( yyin, YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* %% [1.0] yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go here */ +/* Begin user sect3 */ + +#define evalwrap() (/*CONSTCOND*/1) +#define YY_SKIP_YYWRAP + +#define FLEX_DEBUG +typedef flex_uint8_t YY_CHAR; + +FILE *yyin = NULL, *yyout = NULL; + +typedef int yy_state_type; + +extern int yylineno; +int yylineno = 1; + +extern char *yytext; +#ifdef yytext_ptr +#undef yytext_ptr +#endif +#define yytext_ptr yytext + +/* %% [1.5] DFA */ + +/* %if-c-only Standard (non-C++) definition */ + +static yy_state_type yy_get_previous_state ( void ); +static yy_state_type yy_try_NUL_trans ( yy_state_type current_state ); +static int yy_get_next_buffer ( void ); +static void yynoreturn yy_fatal_error ( const char* msg ); + +/* %endif */ + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ +/* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\ + yyleng = (int) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ +/* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\ + (yy_c_buf_p) = yy_cp; +/* %% [4.0] data tables for the DFA and the user's section 1 definitions go here */ +#define YY_NUM_RULES 63 +#define YY_END_OF_BUFFER 64 +/* 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 const flex_int16_t yy_accept[279] = + { 0, + 0, 0, 64, 62, 1, 2, 62, 55, 56, 60, + 61, 59, 62, 54, 5, 5, 62, 62, 62, 62, + 57, 58, 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 62, 62, 62, 62, 62, 62, 62, 62, + 1, 2, 0, 3, 5, 0, 5, 0, 0, 0, + 0, 7, 8, 0, 0, 0, 0, 6, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 52, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 4, 7, 0, 39, 51, 0, + + 0, 0, 20, 0, 0, 0, 15, 0, 0, 0, + 0, 0, 21, 0, 23, 0, 0, 50, 0, 0, + 17, 0, 0, 0, 19, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 35, 0, 0, 0, 0, + 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 22, 30, 0, 0, 0, 0, 14, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 25, 18, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 38, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 26, 40, 0, 16, 27, 0, + + 41, 0, 0, 0, 0, 53, 0, 9, 0, 10, + 11, 29, 0, 0, 0, 0, 0, 33, 28, 7, + 0, 0, 0, 0, 0, 0, 0, 31, 0, 0, + 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 13, 12, 0, 0, 0, 0, 0, 0, 0, + 42, 0, 0, 0, 37, 0, 0, 0, 0, 43, + 36, 0, 0, 44, 0, 0, 0, 0, 45, 46, + 0, 0, 47, 0, 48, 49, 34, 0 + } ; + +static const YY_CHAR 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, 1, 1, 1, 1, 1, 1, 4, 5, + 6, 7, 8, 9, 10, 11, 1, 12, 13, 14, + 15, 16, 17, 18, 17, 19, 17, 20, 1, 1, + 21, 1, 1, 1, 22, 22, 22, 22, 22, 22, + 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, + 23, 23, 23, 23, 23, 23, 23, 24, 23, 23, + 25, 1, 26, 1, 27, 1, 28, 29, 30, 31, + + 32, 33, 34, 35, 36, 23, 37, 38, 39, 40, + 41, 42, 23, 43, 44, 45, 46, 47, 23, 48, + 49, 23, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 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 const YY_CHAR yy_meta[50] = + { 0, + 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, + 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, + 1, 6, 1, 1, 1, 1, 1, 6, 6, 6, + 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1 + } ; + +static const flex_int16_t yy_base[288] = + { 0, + 0, 0, 383, 384, 380, 378, 376, 384, 384, 384, + 384, 384, 0, 384, 39, 36, 359, 357, 86, 124, + 384, 384, 35, 38, 34, 37, 341, 48, 43, 58, + 63, 335, 22, 60, 343, 122, 116, 338, 341, 336, + 369, 367, 365, 384, 0, 0, 121, 348, 347, 0, + 346, 0, 384, 147, 158, 0, 0, 384, 334, 326, + 332, 334, 321, 315, 314, 313, 321, 328, 307, 322, + 304, 119, 307, 311, 310, 319, 309, 313, 301, 300, + 0, 312, 298, 304, 313, 302, 309, 309, 289, 308, + 295, 294, 305, 321, 0, 0, 288, 0, 0, 299, + + 299, 300, 0, 295, 282, 294, 280, 283, 280, 291, + 282, 157, 0, 282, 0, 289, 272, 0, 280, 272, + 159, 286, 282, 276, 0, 267, 265, 269, 263, 276, + 275, 0, 260, 273, 275, 0, 259, 256, 269, 254, + 0, 266, 265, 252, 277, 280, 248, 264, 259, 241, + 248, 260, 0, 0, 238, 255, 240, 239, 0, 239, + 166, 241, 250, 269, 238, 235, 232, 234, 231, 231, + 230, 0, 0, 240, 226, 225, 228, 237, 224, 224, + 225, 233, 162, 220, 0, 219, 225, 242, 245, 213, + 214, 213, 0, 210, 0, 0, 211, 0, 0, 217, + + 0, 211, 210, 205, 218, 0, 216, 0, 216, 0, + 0, 0, 210, 214, 199, 198, 201, 231, 0, 0, + 208, 203, 198, 192, 191, 203, 191, 0, 190, 192, + 0, 190, 189, 184, 160, 180, 183, 192, 193, 192, + 175, 0, 0, 188, 176, 175, 187, 180, 172, 184, + 0, 167, 166, 168, 0, 180, 179, 162, 176, 0, + 0, 147, 144, 0, 140, 139, 138, 138, 0, 0, + 129, 126, 0, 123, 0, 0, 0, 384, 190, 162, + 193, 107, 196, 199, 203, 78, 77 + } ; + +static const flex_int16_t yy_def[288] = + { 0, + 278, 1, 278, 278, 278, 278, 279, 278, 278, 278, + 278, 278, 280, 278, 278, 15, 281, 278, 278, 19, + 278, 278, 19, 19, 19, 19, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 278, 278, 279, 278, 280, 282, 15, 281, 283, 284, + 281, 285, 278, 278, 20, 19, 20, 278, 19, 20, + 20, 20, 20, 19, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 282, 284, 285, 19, 20, 20, 20, + + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 286, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 286, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 287, 20, 20, 20, 20, 20, 20, 20, + + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 287, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 20, 20, 20, 0, 278, 278, + 278, 278, 278, 278, 278, 278, 278 + } ; + +static const flex_int16_t yy_nxt[434] = + { 0, + 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, + 14, 15, 16, 16, 16, 16, 16, 16, 16, 17, + 18, 19, 20, 20, 21, 22, 4, 23, 19, 24, + 25, 26, 19, 27, 28, 29, 20, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 20, 40, 46, + 47, 47, 47, 47, 47, 47, 47, 47, 48, 278, + 49, 64, 50, 80, 81, 59, 49, 49, 49, 49, + 49, 49, 60, 62, 61, 72, 66, 65, 63, 69, + 220, 164, 73, 278, 67, 70, 50, 54, 54, 74, + 76, 82, 71, 75, 77, 55, 83, 56, 56, 56, + + 56, 56, 56, 56, 56, 48, 78, 56, 57, 57, + 94, 58, 55, 56, 56, 56, 56, 56, 56, 57, + 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 57, 57, 57, 57, 57, 57, 57, + 57, 57, 57, 278, 278, 57, 110, 89, 54, 54, + 111, 57, 57, 57, 57, 57, 57, 85, 90, 278, + 278, 278, 278, 86, 87, 45, 277, 88, 278, 145, + 276, 146, 58, 275, 153, 147, 154, 210, 188, 211, + 189, 274, 273, 278, 190, 278, 272, 271, 270, 248, + 43, 269, 43, 43, 43, 43, 51, 51, 51, 49, + + 49, 49, 95, 268, 95, 96, 96, 96, 96, 267, + 266, 265, 264, 263, 262, 261, 260, 259, 258, 257, + 256, 255, 254, 253, 252, 251, 250, 249, 247, 246, + 245, 244, 243, 242, 241, 240, 239, 238, 237, 236, + 235, 234, 233, 232, 231, 230, 229, 228, 227, 226, + 225, 224, 223, 222, 221, 219, 218, 217, 216, 215, + 214, 213, 212, 209, 208, 207, 206, 205, 204, 203, + 202, 201, 200, 199, 198, 197, 196, 195, 194, 193, + 192, 191, 187, 186, 185, 184, 183, 182, 181, 180, + 179, 178, 177, 176, 175, 174, 173, 172, 171, 170, + + 169, 168, 167, 166, 165, 163, 162, 161, 160, 159, + 158, 157, 156, 155, 152, 151, 150, 149, 148, 144, + 143, 142, 141, 140, 139, 138, 137, 136, 135, 134, + 133, 132, 131, 130, 129, 128, 127, 126, 125, 124, + 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, + 113, 112, 109, 108, 107, 106, 105, 104, 103, 102, + 101, 100, 99, 98, 97, 52, 48, 52, 44, 42, + 41, 93, 92, 91, 84, 79, 68, 53, 52, 44, + 42, 41, 278, 3, 278, 278, 278, 278, 278, 278, + 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, + + 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, + 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, + 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, + 278, 278, 278 + } ; + +static const flex_int16_t yy_chk[434] = + { 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, 1, 1, 1, 1, 1, 1, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, + 15, 25, 15, 33, 33, 23, 15, 15, 15, 15, + 15, 15, 23, 24, 23, 29, 26, 25, 24, 28, + 287, 286, 29, 16, 26, 28, 15, 19, 19, 30, + 31, 34, 28, 30, 31, 19, 34, 19, 19, 19, + + 19, 19, 19, 19, 19, 19, 31, 19, 19, 19, + 282, 19, 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, + 20, 20, 20, 20, 47, 20, 72, 37, 54, 54, + 72, 20, 20, 20, 20, 20, 20, 36, 37, 55, + 55, 235, 235, 36, 36, 280, 274, 36, 47, 112, + 272, 112, 54, 271, 121, 112, 121, 183, 161, 183, + 161, 268, 267, 55, 161, 235, 266, 265, 263, 235, + 279, 262, 279, 279, 279, 279, 281, 281, 281, 283, + + 283, 283, 284, 259, 284, 285, 285, 285, 285, 258, + 257, 256, 254, 253, 252, 250, 249, 248, 247, 246, + 245, 244, 241, 240, 239, 238, 237, 236, 234, 233, + 232, 230, 229, 227, 226, 225, 224, 223, 222, 221, + 218, 217, 216, 215, 214, 213, 209, 207, 205, 204, + 203, 202, 200, 197, 194, 192, 191, 190, 189, 188, + 187, 186, 184, 182, 181, 180, 179, 178, 177, 176, + 175, 174, 171, 170, 169, 168, 167, 166, 165, 164, + 163, 162, 160, 158, 157, 156, 155, 152, 151, 150, + 149, 148, 147, 146, 145, 144, 143, 142, 140, 139, + + 138, 137, 135, 134, 133, 131, 130, 129, 128, 127, + 126, 124, 123, 122, 120, 119, 117, 116, 114, 111, + 110, 109, 108, 107, 106, 105, 104, 102, 101, 100, + 97, 94, 93, 92, 91, 90, 89, 88, 87, 86, + 85, 84, 83, 82, 80, 79, 78, 77, 76, 75, + 74, 73, 71, 70, 69, 68, 67, 66, 65, 64, + 63, 62, 61, 60, 59, 51, 49, 48, 43, 42, + 41, 40, 39, 38, 35, 32, 27, 18, 17, 7, + 6, 5, 3, 278, 278, 278, 278, 278, 278, 278, + 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, + + 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, + 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, + 278, 278, 278, 278, 278, 278, 278, 278, 278, 278, + 278, 278, 278 + } ; + +/* Table of booleans, true if rule could match eol. */ +static const flex_int32_t yy_rule_can_match_eol[64] = + { 0, +0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, }; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int yy_flex_debug; +int yy_flex_debug = 1; + +static const flex_int16_t yy_rule_linenum[63] = + { 0, + 106, 111, 117, 127, 133, 151, 175, 189, 190, 191, + 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, + 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, + 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, + 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, + 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, + 242, 243 + } ; + +/* 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 +char *yytext; +#line 1 "lexer.ll" +/* Copyright (C) 2015-2022 Internet Systems Consortium, Inc. ("ISC") + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +#line 8 "lexer.ll" + +/* Generated files do not make clang static analyser so happy */ +#ifndef __clang_analyzer__ + +#include <cerrno> +#include <climits> +#include <cstdlib> +#include <string> +#include <eval/eval_context.h> +#include <eval/parser.h> +#include <asiolink/io_address.h> +#include <boost/lexical_cast.hpp> + +/* Please avoid C++ style comments (// ... eol) as they break flex 2.6.2 */ + +/* Work around an incompatibility in flex (at least versions + 2.5.31 through 2.5.33): it generates code that does + not conform to C89. See Debian bug 333231 + <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=333231>. */ +# undef yywrap +# define yywrap() 1 + +/* The location of the current token. The lexer will keep updating it. This + variable will be useful for logging errors. */ +static isc::eval::location loc; + +namespace { + bool start_token_flag = false; + isc::eval::EvalContext::ParserType start_token_value; +}; + +/* To avoid the call to exit... oops! */ +#define YY_FATAL_ERROR(msg) isc::eval::EvalContext::fatal(msg) +#line 1044 "lexer.cc" +/* noyywrap disables automatic rewinding for the next file to parse. Since we + always parse only a single string, there's no need to do any wraps. And + using yywrap requires linking with -lfl, which provides the default yywrap + implementation that always returns 1 anyway. */ +/* nounput simplifies the lexer, by removing support for putting a character + back into the input stream. We never use such capability anyway. */ +/* batch means that we'll never use the generated lexer interactively. */ +/* Enables debug mode. To see the debug messages, one needs to also set + eval_flex_debug to 1, then the debug messages will be printed on stderr. */ +/* I have no idea what this option does, except it was specified in the bison + examples and Postgres folks added it to remove gcc 4.3 warnings. Let's + be on the safe side and keep it. */ +#define YY_NO_INPUT 1 +/* This line tells flex to track the line numbers. It's not really that + useful for client classes, which typically are one-liners, but it may be + useful in more complex cases. */ +/* These are not token expressions yet, just convenience expressions that + can be used during actual token definitions. Note some can match + incorrect inputs (e.g., IP addresses) which must be checked. */ +#line 80 "lexer.ll" +/* This code run each time a pattern is matched. It updates the location + by moving it ahead by yyleng bytes. yyleng specifies the length of the + currently matched token. */ +#define YY_USER_ACTION loc.columns(evalleng); +#line 1069 "lexer.cc" +#line 1070 "lexer.cc" + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +/* %if-c-only */ +#include <unistd.h> +/* %endif */ +/* %if-c++-only */ +/* %endif */ +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +/* %if-c-only Reentrant structure and macros (non-C++). */ +/* %if-reentrant */ +/* %if-c-only */ + +static int yy_init_globals ( void ); + +/* %endif */ +/* %if-reentrant */ +/* %endif */ +/* %endif End reentrant structures and macros. */ + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int yylex_destroy ( void ); + +int yyget_debug ( void ); + +void yyset_debug ( int debug_flag ); + +YY_EXTRA_TYPE yyget_extra ( void ); + +void yyset_extra ( YY_EXTRA_TYPE user_defined ); + +FILE *yyget_in ( void ); + +void yyset_in ( FILE * _in_str ); + +FILE *yyget_out ( void ); + +void yyset_out ( FILE * _out_str ); + + int yyget_leng ( void ); + +char *yyget_text ( void ); + +int yyget_lineno ( void ); + +void yyset_lineno ( int _line_number ); + +/* %if-bison-bridge */ +/* %endif */ + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap ( void ); +#else +extern int yywrap ( void ); +#endif +#endif + +/* %not-for-header */ +#ifndef YY_NO_UNPUT + +#endif +/* %ok-for-header */ + +/* %endif */ + +#ifndef yytext_ptr +static void yy_flex_strncpy ( char *, const char *, int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen ( const char * ); +#endif + +#ifndef YY_NO_INPUT +/* %if-c-only Standard (non-C++) definition */ +/* %not-for-header */ +#ifdef __cplusplus +static int yyinput ( void ); +#else +static int input ( void ); +#endif +/* %ok-for-header */ + +/* %endif */ +#endif + +/* %if-c-only */ + +/* %endif */ + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k */ +#define YY_READ_BUF_SIZE 16384 +#else +#define YY_READ_BUF_SIZE 8192 +#endif /* __ia64__ */ +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* %if-c-only Standard (non-C++) definition */ +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0) +/* %endif */ +/* %if-c++-only C++ definition */ +/* %endif */ +#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) \ +/* %% [5.0] fread()/read() definition of YY_INPUT goes here unless we're doing C++ \ */\ + 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 = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ +/* %if-c++-only C++ definition \ */\ +/* %endif */ + +#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 +/* %if-c-only */ +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +#endif + +/* %if-tables-serialization structures and prototypes */ +/* %not-for-header */ +/* %ok-for-header */ + +/* %not-for-header */ +/* %tables-yydmap generated elements */ +/* %endif */ +/* end tables serialization structures and prototypes */ + +/* %ok-for-header */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 +/* %if-c-only Standard (non-C++) definition */ + +extern int yylex (void); + +#define YY_DECL int yylex (void) +/* %endif */ +/* %if-c++-only C++ definition */ +/* %endif */ +#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 /*LINTED*/break; +#endif + +/* %% [6.0] YY_RULE_SETUP definition goes here */ +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/* %not-for-header */ +/** The main scanner function which does all the work. + */ +YY_DECL +{ + yy_state_type yy_current_state; + char *yy_cp, *yy_bp; + int yy_act; + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) +/* %if-c-only */ + yyin = stdin; +/* %endif */ +/* %if-c++-only */ +/* %endif */ + + if ( ! yyout ) +/* %if-c-only */ + yyout = stdout; +/* %endif */ +/* %if-c++-only */ +/* %endif */ + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer( yyin, YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + { +/* %% [7.0] user's declarations go here */ +#line 86 "lexer.ll" + + + +#line 90 "lexer.ll" + /* Code run each time evallex is called. */ + loc.step(); + + if (start_token_flag) { + start_token_flag = false; + switch (start_token_value) { + case EvalContext::PARSER_BOOL: + return isc::eval::EvalParser::make_TOPLEVEL_BOOL(loc); + default: + case EvalContext::PARSER_STRING: + return isc::eval::EvalParser::make_TOPLEVEL_STRING(loc); + } + } + + + +#line 1369 "lexer.cc" + + while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */ + { +/* %% [8.0] yymore()-related code goes here */ + yy_cp = (yy_c_buf_p); + + /* Support of yytext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + +/* %% [9.0] code to set up and find next match goes here */ + yy_current_state = (yy_start); +yy_match: + do + { + YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (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 >= 279 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + ++yy_cp; + } + while ( yy_current_state != 278 ); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + +yy_find_action: +/* %% [10.0] code to find the action number goes here */ + yy_act = yy_accept[yy_current_state]; + + YY_DO_BEFORE_ACTION; + +/* %% [11.0] code for yylineno update goes here */ + + if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] ) + { + int yyl; + for ( yyl = 0; yyl < yyleng; ++yyl ) + if ( yytext[yyl] == '\n' ) + + yylineno++; +; + } + +do_action: /* This label is used only to access EOF actions. */ + +/* %% [12.0] debug code goes here */ + if ( yy_flex_debug ) + { + if ( yy_act == 0 ) + fprintf( stderr, "--scanner backing up\n" ); + else if ( yy_act < 63 ) + fprintf( stderr, "--accepting rule at line %ld (\"%s\")\n", + (long)yy_rule_linenum[yy_act], yytext ); + else if ( yy_act == 63 ) + fprintf( stderr, "--accepting default rule (\"%s\")\n", + yytext ); + else if ( yy_act == 64 ) + fprintf( stderr, "--(end of buffer or a NUL)\n" ); + else + fprintf( stderr, "--EOF (start condition %d)\n", YY_START ); + } + + switch ( yy_act ) + { /* beginning of action switch */ +/* %% [13.0] actions go here */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 106 "lexer.ll" +{ + /* Ok, we found a with space. Let's ignore it and update loc variable. */ + loc.step(); +} + YY_BREAK +case 2: +/* rule 2 can match eol */ +YY_RULE_SETUP +#line 111 "lexer.ll" +{ + /* Newline found. Let's update the location and continue. */ + loc.lines(evalleng); + loc.step(); +} + YY_BREAK +case 3: +YY_RULE_SETUP +#line 117 "lexer.ll" +{ + /* A string has been matched. It contains the actual string and single quotes. + We need to get those quotes out of the way and just use its content, e.g. + for 'foo' we should get foo */ + std::string tmp(evaltext+1); + tmp.resize(tmp.size() - 1); + + return isc::eval::EvalParser::make_STRING(tmp, loc); +} + YY_BREAK +case 4: +YY_RULE_SETUP +#line 127 "lexer.ll" +{ + /* A hex string has been matched. It contains the '0x' or '0X' header + followed by at least one hexadecimal digit. */ + return isc::eval::EvalParser::make_HEXSTRING(evaltext, loc); +} + YY_BREAK +case 5: +YY_RULE_SETUP +#line 133 "lexer.ll" +{ + /* An integer was found. */ + std::string tmp(evaltext); + + try { + /* In substring we want to use negative values (e.g. -1). + In enterprise-id we need to use values up to 0xffffffff. + To cover both of those use cases, we need at least + int64_t. */ + static_cast<void>(boost::lexical_cast<int64_t>(tmp)); + } catch (const boost::bad_lexical_cast &) { + driver.error(loc, "Failed to convert " + tmp + " to an integer."); + } + + /* The parser needs the string form as double conversion is no lossless */ + return isc::eval::EvalParser::make_INTEGER(tmp, loc); +} + YY_BREAK +case 6: +/* rule 6 can match eol */ +*yy_cp = (yy_hold_char); /* undo effects of setting up yytext */ +YY_LINENO_REWIND_TO(yy_cp - 1); +(yy_c_buf_p) = yy_cp -= 1; +YY_DO_BEFORE_ACTION; /* set up yytext again */ +YY_RULE_SETUP +#line 151 "lexer.ll" +{ + /* This string specifies option name starting with a letter + and further containing letters, digits, hyphens and + underscores and finishing by letters or digits. */ + /* Moved from a variable trailing context to C++ code as it was too slow */ + std::string tmp(evaltext); + /* remove possible trailing blanks or newlines */ + while (tmp.size() > 1) { + char last = tmp[tmp.size() - 1]; + if ((last != ' ') && (last != '\t') && (last != '\n')) { + break; + } + if (last == '\n') { + /* Take embedded newlines into account */ + /* Can make it more complex to handle spaces after the last + newline but currently keep it simple... */ + loc.lines(); + loc.step(); + } + tmp.resize(tmp.size() - 1); + } + return isc::eval::EvalParser::make_OPTION_NAME(tmp, loc); +} + YY_BREAK +case 7: +YY_RULE_SETUP +#line 175 "lexer.ll" +{ + /* IPv4 or IPv6 address */ + std::string tmp(evaltext); + + /* Some incorrect addresses can match so we have to check. */ + try { + isc::asiolink::IOAddress ip(tmp); + } catch (...) { + driver.error(loc, "Failed to convert " + tmp + " to an IP address."); + } + + return isc::eval::EvalParser::make_IP_ADDRESS(evaltext, loc); +} + YY_BREAK +case 8: +YY_RULE_SETUP +#line 189 "lexer.ll" +return isc::eval::EvalParser::make_EQUAL(loc); + YY_BREAK +case 9: +YY_RULE_SETUP +#line 190 "lexer.ll" +return isc::eval::EvalParser::make_OPTION(loc); + YY_BREAK +case 10: +YY_RULE_SETUP +#line 191 "lexer.ll" +return isc::eval::EvalParser::make_RELAY4(loc); + YY_BREAK +case 11: +YY_RULE_SETUP +#line 192 "lexer.ll" +return isc::eval::EvalParser::make_RELAY6(loc); + YY_BREAK +case 12: +YY_RULE_SETUP +#line 193 "lexer.ll" +return isc::eval::EvalParser::make_PEERADDR(loc); + YY_BREAK +case 13: +YY_RULE_SETUP +#line 194 "lexer.ll" +return isc::eval::EvalParser::make_LINKADDR(loc); + YY_BREAK +case 14: +YY_RULE_SETUP +#line 195 "lexer.ll" +return isc::eval::EvalParser::make_TEXT(loc); + YY_BREAK +case 15: +YY_RULE_SETUP +#line 196 "lexer.ll" +return isc::eval::EvalParser::make_HEX(loc); + YY_BREAK +case 16: +YY_RULE_SETUP +#line 197 "lexer.ll" +return isc::eval::EvalParser::make_EXISTS(loc); + YY_BREAK +case 17: +YY_RULE_SETUP +#line 198 "lexer.ll" +return isc::eval::EvalParser::make_PKT(loc); + YY_BREAK +case 18: +YY_RULE_SETUP +#line 199 "lexer.ll" +return isc::eval::EvalParser::make_IFACE(loc); + YY_BREAK +case 19: +YY_RULE_SETUP +#line 200 "lexer.ll" +return isc::eval::EvalParser::make_SRC(loc); + YY_BREAK +case 20: +YY_RULE_SETUP +#line 201 "lexer.ll" +return isc::eval::EvalParser::make_DST(loc); + YY_BREAK +case 21: +YY_RULE_SETUP +#line 202 "lexer.ll" +return isc::eval::EvalParser::make_LEN(loc); + YY_BREAK +case 22: +YY_RULE_SETUP +#line 203 "lexer.ll" +return isc::eval::EvalParser::make_PKT4(loc); + YY_BREAK +case 23: +YY_RULE_SETUP +#line 204 "lexer.ll" +return isc::eval::EvalParser::make_CHADDR(loc); + YY_BREAK +case 24: +YY_RULE_SETUP +#line 205 "lexer.ll" +return isc::eval::EvalParser::make_HLEN(loc); + YY_BREAK +case 25: +YY_RULE_SETUP +#line 206 "lexer.ll" +return isc::eval::EvalParser::make_HTYPE(loc); + YY_BREAK +case 26: +YY_RULE_SETUP +#line 207 "lexer.ll" +return isc::eval::EvalParser::make_CIADDR(loc); + YY_BREAK +case 27: +YY_RULE_SETUP +#line 208 "lexer.ll" +return isc::eval::EvalParser::make_GIADDR(loc); + YY_BREAK +case 28: +YY_RULE_SETUP +#line 209 "lexer.ll" +return isc::eval::EvalParser::make_YIADDR(loc); + YY_BREAK +case 29: +YY_RULE_SETUP +#line 210 "lexer.ll" +return isc::eval::EvalParser::make_SIADDR(loc); + YY_BREAK +case 30: +YY_RULE_SETUP +#line 211 "lexer.ll" +return isc::eval::EvalParser::make_PKT6(loc); + YY_BREAK +case 31: +YY_RULE_SETUP +#line 212 "lexer.ll" +return isc::eval::EvalParser::make_MSGTYPE(loc); + YY_BREAK +case 32: +YY_RULE_SETUP +#line 213 "lexer.ll" +return isc::eval::EvalParser::make_TRANSID(loc); + YY_BREAK +case 33: +YY_RULE_SETUP +#line 214 "lexer.ll" +return isc::eval::EvalParser::make_VENDOR(loc); + YY_BREAK +case 34: +YY_RULE_SETUP +#line 215 "lexer.ll" +return isc::eval::EvalParser::make_VENDOR_CLASS(loc); + YY_BREAK +case 35: +YY_RULE_SETUP +#line 216 "lexer.ll" +return isc::eval::EvalParser::make_DATA(loc); + YY_BREAK +case 36: +YY_RULE_SETUP +#line 217 "lexer.ll" +return isc::eval::EvalParser::make_ENTERPRISE(loc); + YY_BREAK +case 37: +YY_RULE_SETUP +#line 218 "lexer.ll" +return isc::eval::EvalParser::make_SUBSTRING(loc); + YY_BREAK +case 38: +YY_RULE_SETUP +#line 219 "lexer.ll" +return isc::eval::EvalParser::make_SPLIT(loc); + YY_BREAK +case 39: +YY_RULE_SETUP +#line 220 "lexer.ll" +return isc::eval::EvalParser::make_ALL(loc); + YY_BREAK +case 40: +YY_RULE_SETUP +#line 221 "lexer.ll" +return isc::eval::EvalParser::make_CONCAT(loc); + YY_BREAK +case 41: +YY_RULE_SETUP +#line 222 "lexer.ll" +return isc::eval::EvalParser::make_IFELSE(loc); + YY_BREAK +case 42: +YY_RULE_SETUP +#line 223 "lexer.ll" +return isc::eval::EvalParser::make_TOHEXSTRING(loc); + YY_BREAK +case 43: +YY_RULE_SETUP +#line 224 "lexer.ll" +return isc::eval::EvalParser::make_ADDRTOTEXT(loc); + YY_BREAK +case 44: +YY_RULE_SETUP +#line 225 "lexer.ll" +return isc::eval::EvalParser::make_INT8TOTEXT(loc); + YY_BREAK +case 45: +YY_RULE_SETUP +#line 226 "lexer.ll" +return isc::eval::EvalParser::make_INT16TOTEXT(loc); + YY_BREAK +case 46: +YY_RULE_SETUP +#line 227 "lexer.ll" +return isc::eval::EvalParser::make_INT32TOTEXT(loc); + YY_BREAK +case 47: +YY_RULE_SETUP +#line 228 "lexer.ll" +return isc::eval::EvalParser::make_UINT8TOTEXT(loc); + YY_BREAK +case 48: +YY_RULE_SETUP +#line 229 "lexer.ll" +return isc::eval::EvalParser::make_UINT16TOTEXT(loc); + YY_BREAK +case 49: +YY_RULE_SETUP +#line 230 "lexer.ll" +return isc::eval::EvalParser::make_UINT32TOTEXT(loc); + YY_BREAK +case 50: +YY_RULE_SETUP +#line 231 "lexer.ll" +return isc::eval::EvalParser::make_NOT(loc); + YY_BREAK +case 51: +YY_RULE_SETUP +#line 232 "lexer.ll" +return isc::eval::EvalParser::make_AND(loc); + YY_BREAK +case 52: +YY_RULE_SETUP +#line 233 "lexer.ll" +return isc::eval::EvalParser::make_OR(loc); + YY_BREAK +case 53: +YY_RULE_SETUP +#line 234 "lexer.ll" +return isc::eval::EvalParser::make_MEMBER(loc); + YY_BREAK +case 54: +YY_RULE_SETUP +#line 235 "lexer.ll" +return isc::eval::EvalParser::make_DOT(loc); + YY_BREAK +case 55: +YY_RULE_SETUP +#line 236 "lexer.ll" +return isc::eval::EvalParser::make_LPAREN(loc); + YY_BREAK +case 56: +YY_RULE_SETUP +#line 237 "lexer.ll" +return isc::eval::EvalParser::make_RPAREN(loc); + YY_BREAK +case 57: +YY_RULE_SETUP +#line 238 "lexer.ll" +return isc::eval::EvalParser::make_LBRACKET(loc); + YY_BREAK +case 58: +YY_RULE_SETUP +#line 239 "lexer.ll" +return isc::eval::EvalParser::make_RBRACKET(loc); + YY_BREAK +case 59: +YY_RULE_SETUP +#line 240 "lexer.ll" +return isc::eval::EvalParser::make_COMA(loc); + YY_BREAK +case 60: +YY_RULE_SETUP +#line 241 "lexer.ll" +return isc::eval::EvalParser::make_ANY(loc); + YY_BREAK +case 61: +YY_RULE_SETUP +#line 242 "lexer.ll" +return isc::eval::EvalParser::make_PLUS(loc); + YY_BREAK +case 62: +YY_RULE_SETUP +#line 243 "lexer.ll" +driver.error (loc, "Invalid character: " + std::string(evaltext)); + YY_BREAK +case YY_STATE_EOF(INITIAL): +#line 244 "lexer.ll" +return isc::eval::EvalParser::make_END(loc); + YY_BREAK +case 63: +YY_RULE_SETUP +#line 245 "lexer.ll" +ECHO; + YY_BREAK +#line 1849 "lexer.cc" + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (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 + * 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. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; +/* %if-c-only */ + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; +/* %endif */ +/* %if-c++-only */ +/* %endif */ + 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 ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* 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 ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { +/* %% [14.0] code to do back-up for compressed tables and set up yy_cp goes here */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( yywrap( ) ) + { + /* 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. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ + } /* end of user's declarations */ +} /* end of yylex */ +/* %ok-for-header */ + +/* %if-c++-only */ +/* %not-for-header */ +/* %ok-for-header */ + +/* %endif */ + +/* 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 + */ +/* %if-c-only */ +static int yy_get_next_buffer (void) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + char *source = (yytext_ptr); + int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(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 ( (yy_c_buf_p) - (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) ((yy_c_buf_p) - (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 = (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_LVALUE; + + int yy_c_buf_p_offset = + (int) ((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. */ + yyrealloc( (void *) b->yy_ch_buf, + (yy_size_t) (b->yy_buf_size + 2) ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = NULL; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (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]), + (yy_n_chars), num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart( yyin ); + } + + 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_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc( + (void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + /* "- 2" to take care of EOB's */ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (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 */ + +/* %if-c-only */ +/* %not-for-header */ + static yy_state_type yy_get_previous_state (void) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + yy_state_type yy_current_state; + char *yy_cp; + +/* %% [15.0] code to get the start state into yy_current_state goes here */ + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { +/* %% [16.0] code to find the next state goes here */ + YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (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 >= 279 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + 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 ); + */ +/* %if-c-only */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + int yy_is_jam; + /* %% [17.0] code to find the next state, and perhaps do backing up, goes here */ + char *yy_cp = (yy_c_buf_p); + + YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (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 >= 279 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + yy_is_jam = (yy_current_state == 278); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_UNPUT +/* %if-c-only */ + +/* %endif */ +#endif + +/* %if-c-only */ +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(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 ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + int offset = (int) ((yy_c_buf_p) - (yytext_ptr)); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + 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. */ + yyrestart( yyin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap( ) ) + return 0; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); + +/* %% [19.0] update BOL and yylineno */ + if ( c == '\n' ) + + yylineno++; +; + + return c; +} +/* %if-c-only */ +#endif /* ifndef YY_NO_INPUT */ +/* %endif */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ +/* %if-c-only */ + void yyrestart (FILE * input_file ) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer( yyin, YY_BUF_SIZE ); + } + + yy_init_buffer( YY_CURRENT_BUFFER, input_file ); + yy_load_buffer_state( ); +} + +/* %if-c++-only */ +/* %endif */ + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ +/* %if-c-only */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +/* %if-c-only */ +static void yy_load_buffer_state (void) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; +/* %if-c-only */ + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; +/* %endif */ +/* %if-c++-only */ +/* %endif */ + (yy_hold_char) = *(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. + * + * @return the allocated buffer state. + */ +/* %if-c-only */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in 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 *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer( b, file ); + + return b; +} + +/* %if-c++-only */ +/* %endif */ + +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ +/* %if-c-only */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + + 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 ) + yyfree( (void *) b->yy_ch_buf ); + + yyfree( (void *) b ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ +/* %if-c-only */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) +/* %endif */ +/* %if-c++-only */ +/* %endif */ + +{ + int oerrno = errno; + + yy_flush_buffer( b ); + +/* %if-c-only */ + b->yy_input_file = file; +/* %endif */ +/* %if-c++-only */ +/* %endif */ + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from 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; + } + +/* %if-c-only */ + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + +/* %endif */ +/* %if-c++-only */ +/* %endif */ + 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. + * + */ +/* %if-c-only */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + 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 ) + yy_load_buffer_state( ); +} + +/* %if-c-or-c++ */ +/** 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. + * + */ +/* %if-c-only */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} +/* %endif */ + +/* %if-c-or-c++ */ +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +/* %if-c-only */ +void yypop_buffer_state (void) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} +/* %endif */ + +/* %if-c-or-c++ */ +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +/* %if-c-only */ +static void yyensure_buffer_stack (void) +/* %endif */ +/* %if-c++-only */ +/* %endif */ +{ + yy_size_t num_to_alloc; + + if (!(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; /* After all that talk, this was set to 1 anyways... */ + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + yy_size_t grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} +/* %endif */ + +/* %if-c-only */ +/** 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 + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + 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 NULL; + + b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = (int) (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 = NULL; + 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; + + yy_switch_to_buffer( b ); + + return b; +} +/* %endif */ + +/* %if-c-only */ +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (const char * yystr ) +{ + + return yy_scan_bytes( yystr, (int) strlen(yystr) ); +} +/* %endif */ + +/* %if-c-only */ +/** Setup the input buffer state to scan the given bytes. The next call to 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. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (const char * yybytes, int _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = (yy_size_t) (_yybytes_len + 2); + buf = (char *) yyalloc( n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in 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 = yy_scan_buffer( buf, n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in 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; +} +/* %endif */ + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +/* %if-c-only */ +static void yynoreturn yy_fatal_error (const char* msg ) +{ + fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} +/* %endif */ +/* %if-c++-only */ +/* %endif */ + +/* 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] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/* %if-c-only */ +/* %if-reentrant */ +/* %endif */ + +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} + +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} + +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} + +/** Get the length of the current token. + * + */ +int yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +char *yyget_text (void) +{ + return yytext; +} + +/* %if-reentrant */ +/* %endif */ + +/** Set the current line number. + * @param _line_number line number + * + */ +void yyset_lineno (int _line_number ) +{ + + yylineno = _line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param _in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +void yyset_in (FILE * _in_str ) +{ + yyin = _in_str ; +} + +void yyset_out (FILE * _out_str ) +{ + yyout = _out_str ; +} + +int yyget_debug (void) +{ + return yy_flex_debug; +} + +void yyset_debug (int _bdebug ) +{ + yy_flex_debug = _bdebug ; +} + +/* %endif */ + +/* %if-reentrant */ +/* %if-bison-bridge */ +/* %endif */ +/* %endif if-c-only */ + +/* %if-c-only */ +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from yylex_destroy(), so don't allocate here. + */ + + /* We do not touch yylineno unless the option is enabled. */ + yylineno = 1; + + (yy_buffer_stack) = NULL; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = NULL; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = NULL; + yyout = NULL; +#endif + + /* For future reference: Set errno on error, since we are called by + * yylex_init() + */ + return 0; +} +/* %endif */ + +/* %if-c-only SNIP! this currently causes conflicts with the c++ scanner */ +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer( YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } + + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * yylex() is called, initialization will occur. */ + yy_init_globals( ); + +/* %if-reentrant */ +/* %endif */ + return 0; +} +/* %endif */ + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, const char * s2, int n ) +{ + + int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (const char * s ) +{ + int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *yyalloc (yy_size_t size ) +{ + return malloc(size); +} + +void *yyrealloc (void * ptr, yy_size_t size ) +{ + + /* 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 realloc(ptr, size); +} + +void yyfree (void * ptr ) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} + +/* %if-tables-serialization definitions */ +/* %define-yytables The name for this specific scanner's tables. */ +#define YYTABLES_NAME "yytables" +/* %endif */ + +/* %ok-for-header */ + +#line 245 "lexer.ll" + + +using namespace isc::eval; + +void +EvalContext::scanStringBegin(ParserType type) +{ + start_token_flag = true; + start_token_value = type; + + loc.initialize(&file_); + eval_flex_debug = trace_scanning_; + YY_BUFFER_STATE buffer; + buffer = eval_scan_bytes(string_.c_str(), string_.size()); + if (!buffer) { + fatal("cannot scan string"); + /* fatal() throws an exception so this can't be reached */ + } +} + +void +EvalContext::scanStringEnd() +{ + eval_delete_buffer(YY_CURRENT_BUFFER); +} + +namespace { +/** To avoid unused function error */ +class Dummy { + /* cppcheck-suppress unusedPrivateFunction */ + void dummy() { yy_fatal_error("Fix me: how to disable its definition?"); } +}; +} +#endif /* !__clang_analyzer__ */ + |