#line 2 "repl_scanner.c" /*------------------------------------------------------------------------- * * repl_scanner.l * a lexical scanner for the replication commands * * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * * IDENTIFICATION * src/backend/replication/repl_scanner.l * *------------------------------------------------------------------------- */ #include "postgres.h" #include "nodes/parsenodes.h" #include "utils/builtins.h" #include "parser/scansup.h" /* * NB: include repl_gram.h only AFTER including walsender_private.h, because * walsender_private includes headers that define XLogRecPtr. */ #include "replication/walsender_private.h" #include "repl_gram.h" #line 30 "repl_scanner.c" #define YY_INT_ALIGNED short int /* A lexical scanner generated by flex */ #define yy_create_buffer replication_yy_create_buffer #define yy_delete_buffer replication_yy_delete_buffer #define yy_scan_buffer replication_yy_scan_buffer #define yy_scan_string replication_yy_scan_string #define yy_scan_bytes replication_yy_scan_bytes #define yy_init_buffer replication_yy_init_buffer #define yy_flush_buffer replication_yy_flush_buffer #define yy_load_buffer_state replication_yy_load_buffer_state #define yy_switch_to_buffer replication_yy_switch_to_buffer #define yypush_buffer_state replication_yypush_buffer_state #define yypop_buffer_state replication_yypop_buffer_state #define yyensure_buffer_stack replication_yyensure_buffer_stack #define yy_flex_debug replication_yy_flex_debug #define yyin replication_yyin #define yyleng replication_yyleng #define yylex replication_yylex #define yylineno replication_yylineno #define yyout replication_yyout #define yyrestart replication_yyrestart #define yytext replication_yytext #define yywrap replication_yywrap #define yyalloc replication_yyalloc #define yyrealloc replication_yyrealloc #define yyfree replication_yyfree #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 #ifdef yy_create_buffer #define replication_yy_create_buffer_ALREADY_DEFINED #else #define yy_create_buffer replication_yy_create_buffer #endif #ifdef yy_delete_buffer #define replication_yy_delete_buffer_ALREADY_DEFINED #else #define yy_delete_buffer replication_yy_delete_buffer #endif #ifdef yy_scan_buffer #define replication_yy_scan_buffer_ALREADY_DEFINED #else #define yy_scan_buffer replication_yy_scan_buffer #endif #ifdef yy_scan_string #define replication_yy_scan_string_ALREADY_DEFINED #else #define yy_scan_string replication_yy_scan_string #endif #ifdef yy_scan_bytes #define replication_yy_scan_bytes_ALREADY_DEFINED #else #define yy_scan_bytes replication_yy_scan_bytes #endif #ifdef yy_init_buffer #define replication_yy_init_buffer_ALREADY_DEFINED #else #define yy_init_buffer replication_yy_init_buffer #endif #ifdef yy_flush_buffer #define replication_yy_flush_buffer_ALREADY_DEFINED #else #define yy_flush_buffer replication_yy_flush_buffer #endif #ifdef yy_load_buffer_state #define replication_yy_load_buffer_state_ALREADY_DEFINED #else #define yy_load_buffer_state replication_yy_load_buffer_state #endif #ifdef yy_switch_to_buffer #define replication_yy_switch_to_buffer_ALREADY_DEFINED #else #define yy_switch_to_buffer replication_yy_switch_to_buffer #endif #ifdef yypush_buffer_state #define replication_yypush_buffer_state_ALREADY_DEFINED #else #define yypush_buffer_state replication_yypush_buffer_state #endif #ifdef yypop_buffer_state #define replication_yypop_buffer_state_ALREADY_DEFINED #else #define yypop_buffer_state replication_yypop_buffer_state #endif #ifdef yyensure_buffer_stack #define replication_yyensure_buffer_stack_ALREADY_DEFINED #else #define yyensure_buffer_stack replication_yyensure_buffer_stack #endif #ifdef yylex #define replication_yylex_ALREADY_DEFINED #else #define yylex replication_yylex #endif #ifdef yyrestart #define replication_yyrestart_ALREADY_DEFINED #else #define yyrestart replication_yyrestart #endif #ifdef yylex_init #define replication_yylex_init_ALREADY_DEFINED #else #define yylex_init replication_yylex_init #endif #ifdef yylex_init_extra #define replication_yylex_init_extra_ALREADY_DEFINED #else #define yylex_init_extra replication_yylex_init_extra #endif #ifdef yylex_destroy #define replication_yylex_destroy_ALREADY_DEFINED #else #define yylex_destroy replication_yylex_destroy #endif #ifdef yyget_debug #define replication_yyget_debug_ALREADY_DEFINED #else #define yyget_debug replication_yyget_debug #endif #ifdef yyset_debug #define replication_yyset_debug_ALREADY_DEFINED #else #define yyset_debug replication_yyset_debug #endif #ifdef yyget_extra #define replication_yyget_extra_ALREADY_DEFINED #else #define yyget_extra replication_yyget_extra #endif #ifdef yyset_extra #define replication_yyset_extra_ALREADY_DEFINED #else #define yyset_extra replication_yyset_extra #endif #ifdef yyget_in #define replication_yyget_in_ALREADY_DEFINED #else #define yyget_in replication_yyget_in #endif #ifdef yyset_in #define replication_yyset_in_ALREADY_DEFINED #else #define yyset_in replication_yyset_in #endif #ifdef yyget_out #define replication_yyget_out_ALREADY_DEFINED #else #define yyget_out replication_yyget_out #endif #ifdef yyset_out #define replication_yyset_out_ALREADY_DEFINED #else #define yyset_out replication_yyset_out #endif #ifdef yyget_leng #define replication_yyget_leng_ALREADY_DEFINED #else #define yyget_leng replication_yyget_leng #endif #ifdef yyget_text #define replication_yyget_text_ALREADY_DEFINED #else #define yyget_text replication_yyget_text #endif #ifdef yyget_lineno #define replication_yyget_lineno_ALREADY_DEFINED #else #define yyget_lineno replication_yyget_lineno #endif #ifdef yyset_lineno #define replication_yyset_lineno_ALREADY_DEFINED #else #define yyset_lineno replication_yyset_lineno #endif #ifdef yywrap #define replication_yywrap_ALREADY_DEFINED #else #define yywrap replication_yywrap #endif #ifdef yyalloc #define replication_yyalloc_ALREADY_DEFINED #else #define yyalloc replication_yyalloc #endif #ifdef yyrealloc #define replication_yyrealloc_ALREADY_DEFINED #else #define yyrealloc replication_yyrealloc #endif #ifdef yyfree #define replication_yyfree_ALREADY_DEFINED #else #define yyfree replication_yyfree #endif #ifdef yytext #define replication_yytext_ALREADY_DEFINED #else #define yytext replication_yytext #endif #ifdef yyleng #define replication_yyleng_ALREADY_DEFINED #else #define yyleng replication_yyleng #endif #ifdef yyin #define replication_yyin_ALREADY_DEFINED #else #define yyin replication_yyin #endif #ifdef yyout #define replication_yyout_ALREADY_DEFINED #else #define yyout replication_yyout #endif #ifdef yy_flex_debug #define replication_yy_flex_debug_ALREADY_DEFINED #else #define yy_flex_debug replication_yy_flex_debug #endif #ifdef yylineno #define replication_yylineno_ALREADY_DEFINED #else #define yylineno replication_yylineno #endif /* First, we deal with platform-specific or compiler-specific issues. */ /* begin standard C headers. */ #include #include #include #include /* end standard C headers. */ /* flex integer type definitions */ #ifndef FLEXINT_H #define FLEXINT_H /* C99 systems have . 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 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 */ /* begin standard C++ headers. */ /* TODO: this is always defined, so inline it */ #define yyconst const #if defined(__GNUC__) && __GNUC__ >= 3 #define yynoreturn __attribute__((__noreturn__)) #else #define yynoreturn #endif /* Returned upon end-of-file. */ #define YY_NULL 0 /* 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)) /* 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 extern int yyleng; extern FILE *yyin, *yyout; #define EOB_ACT_CONTINUE_SCAN 0 #define EOB_ACT_END_OF_FILE 1 #define EOB_ACT_LAST_MATCH 2 #define YY_LESS_LINENO(n) #define YY_LINENO_REWIND_TO(ptr) /* Return all but the first "n" matched characters back to the input stream. */ #define yyless(n) \ do \ { \ /* Undo effects of setting up yytext. */ \ int yyless_macro_arg = (n); \ YY_LESS_LINENO(yyless_macro_arg);\ *yy_cp = (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 { 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. */ 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 */ /* 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. */ /* 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)] /* 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; 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 ); 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) /* Begin user sect3 */ #define replication_yywrap() (/*CONSTCOND*/1) #define YY_SKIP_YYWRAP 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 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 ); /* 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; \ yyleng = (int) (yy_cp - yy_bp); \ (yy_hold_char) = *yy_cp; \ *yy_cp = '\0'; \ (yy_c_buf_p) = yy_cp; #define YY_NUM_RULES 32 #define YY_END_OF_BUFFER 33 /* 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[249] = { 0, 0, 0, 0, 0, 0, 0, 33, 31, 20, 20, 27, 23, 21, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 29, 28, 26, 24, 20, 0, 21, 0, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 29, 26, 25, 22, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 4, 13, 30, 30, 30, 30, 30, 19, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 12, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 10, 30, 30, 30, 30, 5, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 14, 30, 15, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 30, 30, 30, 30, 30, 30, 11, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 18, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 16, 2, 30, 30, 30, 30, 30, 30, 30, 30, 30, 9, 30, 30, 17, 30, 6, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 8, 3, 30, 7, 0 } ; static const YY_CHAR yy_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 5, 1, 1, 6, 1, 1, 1, 1, 1, 1, 1, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 18, 25, 26, 27, 28, 29, 30, 31, 32, 18, 1, 1, 1, 1, 33, 1, 34, 34, 34, 34, 34, 34, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18 } ; static const YY_CHAR yy_meta[35] = { 0, 1, 1, 1, 2, 3, 4, 5, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 6 } ; static const flex_int16_t yy_base[256] = { 0, 0, 0, 517, 516, 513, 512, 517, 522, 33, 35, 522, 522, 32, 34, 62, 40, 41, 46, 509, 44, 55, 56, 45, 46, 73, 74, 57, 51, 0, 522, 0, 509, 82, 0, 87, 507, 506, 501, 73, 79, 83, 81, 90, 94, 95, 91, 103, 104, 107, 106, 100, 110, 109, 111, 50, 0, 0, 522, 0, 112, 113, 119, 121, 126, 128, 127, 129, 130, 133, 131, 132, 140, 142, 143, 134, 144, 145, 146, 147, 150, 153, 155, 157, 156, 164, 162, 163, 495, 491, 166, 168, 169, 177, 178, 474, 180, 179, 187, 189, 190, 191, 192, 195, 196, 198, 201, 203, 202, 204, 207, 215, 206, 210, 211, 218, 223, 224, 226, 229, 233, 230, 238, 219, 241, 244, 245, 247, 250, 251, 231, 473, 252, 253, 254, 255, 257, 258, 262, 259, 260, 261, 269, 274, 264, 280, 282, 472, 283, 284, 285, 286, 288, 289, 290, 291, 293, 294, 297, 298, 300, 303, 316, 292, 471, 315, 469, 320, 321, 322, 323, 325, 301, 328, 330, 331, 336, 337, 332, 468, 339, 350, 340, 341, 351, 354, 467, 357, 345, 355, 358, 363, 365, 366, 367, 368, 369, 370, 466, 376, 372, 373, 379, 377, 381, 380, 387, 392, 393, 394, 397, 395, 399, 398, 401, 406, 402, 465, 464, 405, 407, 410, 413, 418, 420, 423, 424, 425, 463, 427, 428, 462, 429, 460, 430, 431, 432, 433, 435, 437, 436, 439, 441, 454, 458, 457, 455, 333, 522, 482, 488, 490, 494, 500, 506, 48 } ; static const flex_int16_t yy_def[256] = { 0, 248, 1, 249, 249, 250, 250, 248, 248, 248, 248, 248, 248, 251, 252, 252, 15, 15, 15, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 253, 248, 254, 248, 248, 255, 251, 251, 252, 15, 15, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 253, 254, 248, 255, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 0, 248, 248, 248, 248, 248, 248, 248 } ; static const flex_int16_t yy_nxt[557] = { 0, 8, 9, 10, 11, 8, 12, 8, 13, 14, 15, 16, 17, 18, 14, 19, 19, 20, 19, 19, 21, 19, 22, 19, 23, 24, 25, 26, 27, 19, 28, 19, 19, 19, 14, 33, 33, 33, 33, 34, 35, 34, 38, 38, 38, 38, 38, 38, 38, 38, 38, 248, 248, 248, 59, 38, 43, 248, 248, 47, 55, 46, 248, 248, 248, 40, 41, 77, 38, 34, 38, 39, 38, 38, 38, 38, 38, 42, 44, 45, 248, 248, 38, 54, 33, 33, 248, 51, 248, 48, 248, 52, 61, 49, 34, 35, 38, 248, 248, 60, 50, 248, 248, 64, 53, 63, 62, 248, 66, 65, 248, 248, 68, 248, 248, 72, 248, 248, 248, 248, 248, 73, 79, 67, 76, 78, 248, 70, 248, 69, 71, 74, 75, 248, 248, 248, 248, 248, 248, 248, 248, 248, 86, 80, 81, 83, 87, 248, 82, 248, 248, 248, 248, 248, 248, 85, 92, 248, 84, 89, 248, 88, 248, 248, 248, 90, 91, 93, 101, 248, 248, 248, 95, 248, 97, 248, 248, 94, 99, 96, 102, 103, 100, 98, 248, 248, 248, 248, 105, 108, 111, 107, 112, 106, 248, 104, 248, 248, 248, 248, 116, 109, 248, 248, 110, 248, 118, 115, 248, 248, 248, 248, 113, 248, 248, 117, 114, 248, 248, 123, 124, 119, 248, 128, 126, 248, 248, 120, 122, 125, 248, 248, 130, 248, 121, 133, 248, 248, 248, 127, 248, 138, 134, 131, 129, 248, 135, 137, 248, 132, 139, 248, 248, 140, 248, 136, 141, 248, 248, 248, 248, 248, 248, 145, 248, 248, 248, 248, 248, 248, 150, 248, 142, 147, 143, 152, 248, 144, 148, 146, 155, 248, 156, 151, 154, 153, 158, 248, 149, 248, 248, 248, 248, 248, 157, 248, 248, 248, 248, 248, 248, 248, 166, 161, 248, 248, 171, 248, 248, 163, 248, 170, 176, 159, 162, 160, 167, 169, 164, 168, 174, 165, 248, 248, 172, 175, 173, 248, 248, 248, 248, 177, 248, 183, 181, 248, 178, 248, 248, 248, 248, 185, 180, 248, 248, 179, 248, 248, 248, 182, 184, 186, 248, 187, 188, 189, 190, 248, 248, 191, 194, 248, 248, 195, 248, 248, 192, 193, 196, 199, 248, 197, 248, 248, 248, 248, 248, 248, 205, 248, 248, 201, 198, 248, 248, 207, 248, 248, 248, 208, 200, 203, 210, 202, 248, 204, 209, 206, 212, 248, 248, 248, 248, 211, 248, 248, 248, 213, 248, 248, 214, 219, 248, 248, 248, 221, 216, 248, 218, 215, 248, 217, 220, 223, 224, 248, 222, 248, 225, 226, 248, 248, 248, 227, 248, 248, 248, 248, 248, 248, 248, 229, 248, 248, 248, 228, 248, 233, 248, 234, 231, 238, 239, 230, 235, 236, 243, 232, 241, 240, 242, 248, 248, 237, 248, 248, 244, 248, 245, 248, 248, 248, 248, 248, 248, 248, 248, 246, 248, 248, 248, 248, 247, 29, 29, 29, 29, 29, 29, 31, 31, 31, 31, 31, 31, 36, 36, 37, 248, 37, 37, 56, 248, 56, 56, 56, 56, 57, 57, 57, 38, 57, 57, 248, 34, 58, 248, 248, 32, 32, 30, 30, 7, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248 } ; static const flex_int16_t yy_chk[557] = { 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, 9, 9, 10, 10, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 16, 17, 20, 23, 24, 255, 18, 20, 55, 28, 24, 28, 23, 21, 22, 27, 16, 17, 55, 14, 15, 15, 15, 15, 15, 15, 15, 15, 18, 21, 22, 25, 26, 39, 27, 33, 33, 40, 26, 42, 25, 41, 26, 40, 25, 35, 35, 15, 43, 46, 39, 25, 44, 45, 43, 26, 42, 41, 51, 45, 44, 47, 48, 47, 50, 49, 50, 53, 52, 54, 60, 61, 51, 61, 46, 54, 60, 62, 48, 63, 47, 49, 52, 53, 64, 66, 65, 67, 68, 70, 71, 69, 75, 68, 62, 63, 65, 69, 72, 64, 73, 74, 76, 77, 78, 79, 67, 74, 80, 66, 71, 81, 70, 82, 84, 83, 72, 73, 75, 83, 86, 87, 85, 77, 90, 79, 91, 92, 76, 81, 78, 84, 85, 82, 80, 93, 94, 97, 96, 87, 92, 96, 91, 97, 90, 98, 86, 99, 100, 101, 102, 101, 93, 103, 104, 94, 105, 103, 100, 106, 108, 107, 109, 98, 112, 110, 102, 99, 113, 114, 108, 109, 104, 111, 113, 111, 115, 123, 105, 107, 110, 116, 117, 115, 118, 106, 118, 119, 121, 130, 112, 120, 123, 119, 116, 114, 122, 120, 122, 124, 117, 124, 125, 126, 125, 127, 121, 126, 128, 129, 132, 133, 134, 135, 130, 136, 137, 139, 140, 141, 138, 136, 144, 127, 133, 128, 138, 142, 129, 134, 132, 141, 143, 142, 137, 140, 139, 144, 145, 135, 146, 148, 149, 150, 151, 143, 152, 153, 154, 155, 163, 156, 157, 153, 148, 158, 159, 158, 160, 172, 150, 161, 157, 163, 145, 149, 146, 154, 156, 151, 155, 161, 152, 165, 162, 159, 162, 160, 167, 168, 169, 170, 165, 171, 172, 170, 173, 167, 174, 175, 178, 247, 174, 169, 176, 177, 168, 180, 182, 183, 171, 173, 175, 188, 176, 177, 178, 180, 181, 184, 181, 184, 185, 189, 185, 187, 190, 182, 183, 187, 190, 191, 188, 192, 193, 194, 195, 196, 197, 196, 200, 201, 192, 189, 199, 203, 199, 202, 205, 204, 200, 191, 194, 202, 193, 206, 195, 201, 197, 204, 207, 208, 209, 211, 203, 210, 213, 212, 205, 214, 216, 206, 211, 219, 215, 220, 213, 208, 221, 210, 207, 222, 209, 212, 215, 216, 223, 214, 224, 219, 220, 225, 226, 227, 221, 229, 230, 232, 234, 235, 236, 237, 223, 238, 240, 239, 222, 241, 227, 242, 229, 225, 235, 236, 224, 230, 232, 240, 226, 238, 237, 239, 243, 246, 234, 245, 244, 241, 233, 242, 231, 228, 218, 217, 198, 186, 179, 166, 243, 164, 147, 131, 95, 246, 249, 249, 249, 249, 249, 249, 250, 250, 250, 250, 250, 250, 251, 251, 252, 89, 252, 252, 253, 88, 253, 253, 253, 253, 254, 254, 254, 38, 254, 254, 37, 36, 32, 19, 7, 6, 5, 4, 3, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248, 248 } ; static yy_state_type yy_last_accepting_state; static char *yy_last_accepting_cpos; extern int yy_flex_debug; int yy_flex_debug = 0; /* 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 "repl_scanner.l" #line 31 "repl_scanner.l" /* Avoid exit() on fatal scanner errors (a bit ugly -- see yy_fatal_error) */ #undef fprintf #define fprintf(file, fmt, msg) fprintf_to_ereport(fmt, msg) static void fprintf_to_ereport(const char *fmt, const char *msg) { ereport(ERROR, (errmsg_internal("%s", msg))); } /* Handle to the buffer that the lexer uses internally */ static YY_BUFFER_STATE scanbufhandle; /* Pushed-back token (we only handle one) */ static int repl_pushed_back_token; /* Work area for collecting literals */ static StringInfoData litbuf; static void startlit(void); static char *litbufdup(void); static void addlit(char *ytext, int yleng); static void addlitchar(unsigned char ychar); /* LCOV_EXCL_START */ #line 961 "repl_scanner.c" #define YY_NO_INPUT 1 /* * Exclusive states: * delimited identifiers (double-quoted identifiers) * standard single-quoted strings */ /* Extended quote * xqdouble implements embedded quote, '''' */ /* Double quote * Allows embedded spaces and other special characters into identifiers. */ #line 975 "repl_scanner.c" #define INITIAL 0 #define xd 1 #define xq 2 #ifndef YY_NO_UNISTD_H /* Special case for "unistd.h", since it is non-ANSI. We include it way * down here because we want the user's section 1 to have been scanned first. * The user has a chance to override it with an option. */ #include #endif #ifndef YY_EXTRA_TYPE #define YY_EXTRA_TYPE void * #endif static int yy_init_globals ( void ); /* 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 ); /* 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 #ifndef YY_NO_UNPUT #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 #ifdef __cplusplus static int yyinput ( void ); #else static int input ( void ); #endif #endif /* Amount of stuff to slurp up with each read. */ #ifndef YY_READ_BUF_SIZE #ifdef __ia64__ /* On IA-64, the buffer size is 16k, not 8k */ #define YY_READ_BUF_SIZE 16384 #else #define YY_READ_BUF_SIZE 8192 #endif /* __ia64__ */ #endif /* Copy whatever the last rule matched to the standard output. */ #ifndef ECHO /* This used to be an fputs(), but since the string might contain NUL's, * we now use fwrite(). */ #define ECHO do { if (fwrite( yytext, (size_t) 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 = '*'; \ 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); \ } \ }\ \ #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 ) #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 yylex (void); #define YY_DECL int yylex (void) #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 #define YY_RULE_SETUP \ YY_USER_ACTION /** The main scanner function which does all the work. */ YY_DECL { yy_state_type yy_current_state; char *yy_cp, *yy_bp; int yy_act; 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 ) yyin = stdin; if ( ! yyout ) yyout = stdout; if ( ! YY_CURRENT_BUFFER ) { yyensure_buffer_stack (); YY_CURRENT_BUFFER_LVALUE = yy_create_buffer( yyin, YY_BUF_SIZE ); } yy_load_buffer_state( ); } { #line 105 "repl_scanner.l" #line 109 "repl_scanner.l" /* This code is inserted at the start of replication_yylex() */ /* If we have a pushed-back token, return that. */ if (repl_pushed_back_token) { int result = repl_pushed_back_token; repl_pushed_back_token = 0; return result; } #line 1209 "repl_scanner.c" while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */ { 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; 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 >= 249 ) yy_c = yy_meta[yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; ++yy_cp; } while ( yy_current_state != 248 ); yy_cp = (yy_last_accepting_cpos); yy_current_state = (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 = (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 121 "repl_scanner.l" { return K_BASE_BACKUP; } YY_BREAK case 2: YY_RULE_SETUP #line 122 "repl_scanner.l" { return K_IDENTIFY_SYSTEM; } YY_BREAK case 3: YY_RULE_SETUP #line 123 "repl_scanner.l" { return K_READ_REPLICATION_SLOT; } YY_BREAK case 4: YY_RULE_SETUP #line 124 "repl_scanner.l" { return K_SHOW; } YY_BREAK case 5: YY_RULE_SETUP #line 125 "repl_scanner.l" { return K_TIMELINE; } YY_BREAK case 6: YY_RULE_SETUP #line 126 "repl_scanner.l" { return K_START_REPLICATION; } YY_BREAK case 7: YY_RULE_SETUP #line 127 "repl_scanner.l" { return K_CREATE_REPLICATION_SLOT; } YY_BREAK case 8: YY_RULE_SETUP #line 128 "repl_scanner.l" { return K_DROP_REPLICATION_SLOT; } YY_BREAK case 9: YY_RULE_SETUP #line 129 "repl_scanner.l" { return K_TIMELINE_HISTORY; } YY_BREAK case 10: YY_RULE_SETUP #line 130 "repl_scanner.l" { return K_PHYSICAL; } YY_BREAK case 11: YY_RULE_SETUP #line 131 "repl_scanner.l" { return K_RESERVE_WAL; } YY_BREAK case 12: YY_RULE_SETUP #line 132 "repl_scanner.l" { return K_LOGICAL; } YY_BREAK case 13: YY_RULE_SETUP #line 133 "repl_scanner.l" { return K_SLOT; } YY_BREAK case 14: YY_RULE_SETUP #line 134 "repl_scanner.l" { return K_TEMPORARY; } YY_BREAK case 15: YY_RULE_SETUP #line 135 "repl_scanner.l" { return K_TWO_PHASE; } YY_BREAK case 16: YY_RULE_SETUP #line 136 "repl_scanner.l" { return K_EXPORT_SNAPSHOT; } YY_BREAK case 17: YY_RULE_SETUP #line 137 "repl_scanner.l" { return K_NOEXPORT_SNAPSHOT; } YY_BREAK case 18: YY_RULE_SETUP #line 138 "repl_scanner.l" { return K_USE_SNAPSHOT; } YY_BREAK case 19: YY_RULE_SETUP #line 139 "repl_scanner.l" { return K_WAIT; } YY_BREAK case 20: /* rule 20 can match eol */ YY_RULE_SETUP #line 141 "repl_scanner.l" { /* do nothing */ } YY_BREAK case 21: YY_RULE_SETUP #line 143 "repl_scanner.l" { replication_yylval.uintval = strtoul(yytext, NULL, 10); return UCONST; } YY_BREAK case 22: YY_RULE_SETUP #line 148 "repl_scanner.l" { uint32 hi, lo; if (sscanf(yytext, "%X/%X", &hi, &lo) != 2) replication_yyerror("invalid streaming start location"); replication_yylval.recptr = ((uint64) hi) << 32 | lo; return RECPTR; } YY_BREAK case 23: YY_RULE_SETUP #line 157 "repl_scanner.l" { BEGIN(xq); startlit(); } YY_BREAK case 24: YY_RULE_SETUP #line 162 "repl_scanner.l" { yyless(1); BEGIN(INITIAL); replication_yylval.str = litbufdup(); return SCONST; } YY_BREAK case 25: YY_RULE_SETUP #line 169 "repl_scanner.l" { addlitchar('\''); } YY_BREAK case 26: /* rule 26 can match eol */ YY_RULE_SETUP #line 173 "repl_scanner.l" { addlit(yytext, yyleng); } YY_BREAK case 27: YY_RULE_SETUP #line 177 "repl_scanner.l" { BEGIN(xd); startlit(); } YY_BREAK case 28: YY_RULE_SETUP #line 182 "repl_scanner.l" { int len; yyless(1); BEGIN(INITIAL); replication_yylval.str = litbufdup(); len = strlen(replication_yylval.str); truncate_identifier(replication_yylval.str, len, true); return IDENT; } YY_BREAK case 29: /* rule 29 can match eol */ YY_RULE_SETUP #line 193 "repl_scanner.l" { addlit(yytext, yyleng); } YY_BREAK case 30: YY_RULE_SETUP #line 197 "repl_scanner.l" { int len = strlen(yytext); replication_yylval.str = downcase_truncate_identifier(yytext, len, true); return IDENT; } YY_BREAK case 31: YY_RULE_SETUP #line 204 "repl_scanner.l" { /* Any char not recognized above is returned as itself */ return yytext[0]; } YY_BREAK case YY_STATE_EOF(xq): case YY_STATE_EOF(xd): #line 209 "repl_scanner.l" { replication_yyerror("unterminated quoted string"); } YY_BREAK case YY_STATE_EOF(INITIAL): #line 212 "repl_scanner.l" { yyterminate(); } YY_BREAK case 32: YY_RULE_SETUP #line 216 "repl_scanner.l" YY_FATAL_ERROR( "flex scanner jammed" ); YY_BREAK #line 1480 "repl_scanner.c" 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; 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 ( (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 { 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 */ /* 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 (void) { 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 */ static yy_state_type yy_get_previous_state (void) { yy_state_type yy_current_state; char *yy_cp; yy_current_state = (yy_start); for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) { YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); if ( yy_accept[yy_current_state] ) { (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 >= 249 ) 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 ); */ static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) { int yy_is_jam; 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 >= 249 ) yy_c = yy_meta[yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; yy_is_jam = (yy_current_state == 248); return yy_is_jam ? 0 : yy_current_state; } #ifndef YY_NO_UNPUT #endif #ifndef YY_NO_INPUT #ifdef __cplusplus static int yyinput (void) #else static int input (void) #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); return c; } #endif /* ifndef YY_NO_INPUT */ /** 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 . */ void yyrestart (FILE * input_file ) { 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( ); } /** Switch to a different input buffer. * @param new_buffer The new input buffer. * */ void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) { /* 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; } static void yy_load_buffer_state (void) { (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; (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. */ YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) { 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; } /** Destroy the buffer. * @param b a buffer created with yy_create_buffer() * */ void yy_delete_buffer (YY_BUFFER_STATE b ) { 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. */ static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) { int oerrno = errno; yy_flush_buffer( b ); b->yy_input_file = file; 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; } 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. * */ void yy_flush_buffer (YY_BUFFER_STATE b ) { 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( ); } /** 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. * */ void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) { 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; } /** Removes and deletes the top of the stack, if present. * The next element becomes the new top. * */ void yypop_buffer_state (void) { 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; } } /* Allocates the stack if it does not exist. * Guarantees space for at least one push. */ static void yyensure_buffer_stack (void) { 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; } } /** 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; } /** 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) ); } /** 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; } #ifndef YY_EXIT_FAILURE #define YY_EXIT_FAILURE 2 #endif static void yynoreturn yy_fatal_error (const char* msg ) { 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] = (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. */ /** 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; } /** 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 ; } 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. */ (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; } /* 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( ); return 0; } /* * 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 */ } #define YYTABLES_NAME "yytables" #line 216 "repl_scanner.l" /* LCOV_EXCL_STOP */ static void startlit(void) { initStringInfo(&litbuf); } static char * litbufdup(void) { return litbuf.data; } static void addlit(char *ytext, int yleng) { appendBinaryStringInfo(&litbuf, ytext, yleng); } static void addlitchar(unsigned char ychar) { appendStringInfoChar(&litbuf, ychar); } void replication_yyerror(const char *message) { ereport(ERROR, (errcode(ERRCODE_SYNTAX_ERROR), errmsg_internal("%s", message))); } void replication_scanner_init(const char *str) { Size slen = strlen(str); char *scanbuf; /* * Might be left over after ereport() */ if (YY_CURRENT_BUFFER) yy_delete_buffer(YY_CURRENT_BUFFER); /* * Make a scan buffer with special termination needed by flex. */ scanbuf = (char *) palloc(slen + 2); memcpy(scanbuf, str, slen); scanbuf[slen] = scanbuf[slen + 1] = YY_END_OF_BUFFER_CHAR; scanbufhandle = yy_scan_buffer(scanbuf, slen + 2); /* Make sure we start in proper state */ BEGIN(INITIAL); repl_pushed_back_token = 0; } void replication_scanner_finish(void) { yy_delete_buffer(scanbufhandle); scanbufhandle = NULL; } /* * Check to see if the first token of a command is a WalSender keyword. * * To keep repl_scanner.l minimal, we don't ask it to know every construct * that the core lexer knows. Therefore, we daren't lex more than the * first token of a general SQL command. That will usually look like an * IDENT token here, although some other cases are possible. */ bool replication_scanner_is_replication_command(void) { int first_token = replication_yylex(); switch (first_token) { case K_IDENTIFY_SYSTEM: case K_BASE_BACKUP: case K_START_REPLICATION: case K_CREATE_REPLICATION_SLOT: case K_DROP_REPLICATION_SLOT: case K_READ_REPLICATION_SLOT: case K_TIMELINE_HISTORY: case K_SHOW: /* Yes; push back the first token so we can parse later. */ repl_pushed_back_token = first_token; return true; default: /* Nope; we don't bother to push back the token. */ return false; } }