diff options
Diffstat (limited to 'src/backend/parser/scan.c')
| -rw-r--r-- | src/backend/parser/scan.c | 2267 |
1 files changed, 0 insertions, 2267 deletions
diff --git a/src/backend/parser/scan.c b/src/backend/parser/scan.c deleted file mode 100644 index 5a0de8aa5ec..00000000000 --- a/src/backend/parser/scan.c +++ /dev/null @@ -1,2267 +0,0 @@ -/* A lexical scanner generated by flex */ - -/* Scanner skeleton version: - * /master/usr.bin/lex/skel.c,v 1.3 1997/09/25 00:10:23 jch Exp - */ - -#define FLEX_SCANNER -#define YY_FLEX_MAJOR_VERSION 2 -#define YY_FLEX_MINOR_VERSION 5 - -#include <stdio.h> - - -/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ -#ifdef c_plusplus -#ifndef __cplusplus -#define __cplusplus -#endif -#endif - - -#ifdef __cplusplus - -#include <stdlib.h> -#include <unistd.h> - -/* Use prototypes in function declarations. */ -#define YY_USE_PROTOS - -/* The "const" storage-class-modifier is valid. */ -#define YY_USE_CONST - -#else /* ! __cplusplus */ - -#if __STDC__ - -#define YY_USE_PROTOS -#define YY_USE_CONST - -#endif /* __STDC__ */ -#endif /* ! __cplusplus */ - -#ifdef __TURBOC__ - #pragma warn -rch - #pragma warn -use -#include <io.h> -#include <stdlib.h> -#define YY_USE_CONST -#define YY_USE_PROTOS -#endif - -#ifdef YY_USE_CONST -#define yyconst const -#else -#define yyconst -#endif - - -#ifdef YY_USE_PROTOS -#define YY_PROTO(proto) proto -#else -#define YY_PROTO(proto) () -#endif - -/* Returned upon end-of-file. */ -#define YY_NULL 0 - -/* Promotes a possibly negative, possibly signed char to an unsigned - * integer for use as an array index. If the signed char is negative, - * we want to instead treat it as an 8-bit unsigned char, hence the - * double cast. - */ -#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) - -/* 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. */ -#define YY_BUF_SIZE 16384 - -typedef struct yy_buffer_state *YY_BUFFER_STATE; - -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 - -/* The funky do-while in the following #define is used to turn the definition - * int a single C statement (which needs a semi-colon terminator). This - * avoids problems with code like: - * - * if ( condition_holds ) - * yyless( 5 ); - * else - * do_something_else(); - * - * Prior to using the do-while the compiler would get upset at the - * "else" because it interpreted the "if" statement as being all - * done when it reached the ';' after the yyless() call. - */ - -/* Return all but the first 'n' matched characters back to the input stream. */ - -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - *yy_cp = yy_hold_char; \ - YY_RESTORE_YY_MORE_OFFSET \ - yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \ - YY_DO_BEFORE_ACTION; /* set up yytext again */ \ - } \ - while ( 0 ) - -#define unput(c) yyunput( c, yytext_ptr ) - -/* The following is because we cannot portably get our hands on size_t - * (without autoconf's help, which isn't available because we want - * flex-generated scanners to compile on their own). - */ -typedef unsigned int yy_size_t; - - -struct yy_buffer_state - { - FILE *yy_input_file; - - char *yy_ch_buf; /* input buffer */ - char *yy_buf_pos; /* current position in input buffer */ - - /* Size of input buffer in bytes, not including room for EOB - * characters. - */ - yy_size_t yy_buf_size; - - /* Number of characters read into yy_ch_buf, not including EOB - * characters. - */ - int yy_n_chars; - - /* Whether we "own" the buffer - i.e., we know we created it, - * and can realloc() it to grow it, and should free() it to - * delete it. - */ - int yy_is_our_buffer; - - /* Whether this is an "interactive" input source; if so, and - * if we're using stdio for input, then we want to use getc() - * instead of fread(), to make sure we stop fetching input after - * each newline. - */ - int yy_is_interactive; - - /* Whether we're considered to be at the beginning of a line. - * If so, '^' rules will be active on the next match, otherwise - * not. - */ - int yy_at_bol; - - /* 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 - }; - -static YY_BUFFER_STATE yy_current_buffer = 0; - -/* 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". - */ -#define YY_CURRENT_BUFFER yy_current_buffer - - -/* 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 = (char *) 0; -static int yy_init = 1; /* 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 YY_PROTO(( FILE *input_file )); - -void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer )); -void yy_load_buffer_state YY_PROTO(( void )); -YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size )); -void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); -void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file )); -void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b )); -#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer ) - -YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size )); -YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str )); -YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len )); - -static void *yy_flex_alloc YY_PROTO(( yy_size_t )); -static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t )); -static void yy_flex_free YY_PROTO(( void * )); - -#define yy_new_buffer yy_create_buffer - -#define yy_set_interactive(is_interactive) \ - { \ - if ( ! yy_current_buffer ) \ - yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ - yy_current_buffer->yy_is_interactive = is_interactive; \ - } - -#define yy_set_bol(at_bol) \ - { \ - if ( ! yy_current_buffer ) \ - yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \ - yy_current_buffer->yy_at_bol = at_bol; \ - } - -#define YY_AT_BOL() (yy_current_buffer->yy_at_bol) - - -#define YY_USES_REJECT -typedef unsigned char YY_CHAR; -FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; -typedef int yy_state_type; -extern char *yytext; -#define yytext_ptr yytext - -static yy_state_type yy_get_previous_state YY_PROTO(( void )); -static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state )); -static int yy_get_next_buffer YY_PROTO(( void )); -static void yy_fatal_error YY_PROTO(( yyconst 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 41 -#define YY_END_OF_BUFFER 42 -static yyconst short int yy_acclist[182] = - { 0, - 10, 10, 6, 6, 23, 23, 9, 9, 24, 24, - 18, 18, 42, 40, 41, 39, 40, 41, 39, 41, - 31, 40, 41, 21, 40, 41, 28, 29, 31, 40, - 41, 28, 29, 31, 40, 41, 15, 40, 41, 28, - 29, 40, 41, 28, 29, 31, 40, 41, 28, 29, - 40, 41, 28, 29, 31, 40, 41, 36, 40, 41, - 16418, 28, 29, 31, 40, 41, 38, 40, 41,16417, - 38, 40, 41,16417, 38, 40, 41,16417, 10, 41, - 8, 41, 3, 6, 41, 3, 6, 41, 3, 41, - 6, 41, 23, 41, 22, 41, 9, 41, 14, 41, - - 41, 24, 41, 25, 41, 18, 41, 16, 41, 41, - 31, 31, 31, 32, 31, 31, 36,16418, 37,16419, - 4, 31, 31, 37,16419, 26, 31, 38,16417, 7, - 13, 10, 6, 6, 5, 23, 9, 24, 18, 17, - 19, 30, 27, 30, 27, 30, 32, 27, 1, 31, - 31, 27, 30, 4, 31, 4, 31, 4, 31, 8226, - 37,16419, 37,16419, 8225, 12, 5, 11, 20, 30, - 8227, 37,16419, 2, 4, 31, 30, 2, 2, 2, - 2 - } ; - -static yyconst short int yy_accept[134] = - { 0, - 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, - 9, 10, 11, 12, 13, 14, 16, 19, 21, 24, - 27, 32, 37, 40, 44, 49, 53, 58, 62, 67, - 71, 75, 79, 81, 83, 86, 89, 91, 93, 95, - 97, 99, 101, 102, 104, 106, 108, 110, 111, 112, - 113, 113, 114, 115, 116, 116, 117, 117, 119, 121, - 123, 124, 124, 124, 126, 126, 128, 128, 128, 130, - 131, 132, 133, 133, 133, 134, 135, 135, 135, 136, - 137, 138, 138, 138, 139, 140, 140, 140, 141, 142, - 143, 145, 148, 149, 149, 150, 151, 152, 154, 154, - - 154, 154, 154, 156, 158, 160, 161, 163, 163, 165, - 166, 166, 166, 167, 168, 168, 168, 169, 169, 169, - 170, 171, 172, 172, 174, 174, 177, 178, 179, 180, - 181, 182, 182 - } ; - -static yyconst int yy_ec[256] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, - 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 2, 4, 5, 4, 6, 7, 4, 8, 9, - 9, 10, 11, 9, 12, 13, 14, 15, 15, 15, - 15, 15, 15, 15, 15, 15, 15, 16, 9, 7, - 7, 7, 4, 4, 17, 18, 17, 17, 19, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 20, 17, 17, - 9, 21, 9, 4, 17, 4, 17, 18, 17, 17, - - 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 20, - 17, 17, 1, 7, 1, 4, 1, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, - 17, 17, 17, 17, 17 - } ; - -static yyconst int yy_meta[22] = - { 0, - 1, 2, 3, 4, 5, 4, 4, 6, 1, 7, - 8, 9, 10, 4, 11, 4, 2, 2, 11, 2, - 12 - } ; - -static yyconst short int yy_base[152] = - { 0, - 0, 0, 341, 340, 18, 31, 342, 341, 337, 331, - 24, 37, 23, 25, 338, 454, 454, 454, 251, 454, - 48, 40, 454, 54, 46, 65, 55, 79, 234, 71, - 97, 240, 0, 51, 0, 106, 61, 0, 0, 454, - 0, 76, 454, 82, 454, 0, 85, 0, 227, 89, - 94, 49, 222, 213, 57, 122, 211, 0, 142, 158, - 106, 144, 0, 206, 96, 193, 146, 0, 187, 454, - 454, 0, 87, 173, 0, 0, 141, 172, 150, 0, - 0, 112, 175, 164, 0, 177, 182, 454, 454, 454, - 454, 135, 454, 187, 454, 200, 158, 0, 184, 0, - - 177, 93, 213, 81, 200, 454, 0, 71, 144, 454, - 228, 230, 454, 206, 232, 239, 454, 241, 243, 454, - 0, 454, 61, 33, 208, 250, 13, 252, 254, 256, - 258, 454, 264, 276, 288, 300, 312, 324, 333, 341, - 352, 364, 373, 382, 394, 406, 417, 429, 434, 438, - 442 - } ; - -static yyconst short int yy_def[152] = - { 0, - 132, 1, 133, 133, 134, 134, 135, 135, 136, 136, - 137, 137, 138, 138, 132, 132, 132, 132, 139, 132, - 139, 21, 132, 132, 21, 132, 22, 132, 22, 140, - 140, 31, 141, 132, 142, 142, 143, 36, 144, 132, - 145, 132, 132, 132, 132, 146, 132, 147, 139, 139, - 132, 50, 132, 52, 132, 132, 132, 28, 132, 148, - 56, 132, 149, 59, 132, 139, 132, 150, 31, 132, - 132, 141, 132, 132, 142, 36, 143, 143, 143, 144, - 145, 132, 132, 132, 146, 132, 132, 132, 132, 132, - 132, 132, 132, 56, 132, 94, 96, 94, 132, 151, - - 132, 148, 148, 103, 103, 132, 64, 132, 64, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 94, 132, 132, 109, 148, 103, 148, 148, 148, 132, - 132, 0, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132 - } ; - -static yyconst short int yy_nxt[476] = - { 0, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 22, - 22, 25, 26, 27, 28, 29, 30, 31, 30, 32, - 16, 36, 125, 36, 36, 44, 44, 37, 36, 36, - 47, 38, 47, 36, 36, 45, 36, 36, 44, 44, - 37, 36, 36, 48, 38, 48, 36, 124, 45, 51, - 51, 54, 73, 74, 132, 51, 51, 56, 57, 52, - 58, 91, 53, 92, 60, 55, 51, 51, 61, 93, - 77, 93, 67, 67, 79, 124, 55, 82, 83, 59, - 62, 62, 68, 84, 84, 109, 86, 87, 73, 74, - 63, 64, 88, 58, 126, 51, 51, 65, 67, 67, - - 50, 90, 125, 90, 70, 55, 108, 108, 68, 76, - 109, 76, 76, 82, 83, 77, 76, 76, 94, 76, - 94, 76, 94, 94, 95, 96, 94, 96, 96, 94, - 94, 96, 96, 97, 98, 96, 98, 96, 94, 94, - 94, 94, 94, 99, 99, 62, 62, 67, 67, 53, - 77, 114, 114, 100, 79, 63, 59, 68, 109, 77, - 101, 103, 132, 103, 103, 84, 84, 104, 103, 105, - 121, 103, 121, 103, 111, 112, 115, 116, 86, 87, - 113, 77, 117, 118, 119, 99, 99, 123, 123, 120, - 94, 124, 94, 94, 132, 100, 94, 94, 94, 94, - - 94, 94, 94, 96, 50, 96, 96, 114, 114, 96, - 96, 97, 127, 96, 127, 96, 103, 125, 103, 103, - 107, 128, 104, 103, 105, 59, 103, 91, 103, 111, - 112, 111, 112, 115, 116, 113, 53, 113, 50, 117, - 115, 116, 118, 119, 118, 119, 117, 71, 120, 66, - 120, 129, 130, 129, 130, 129, 130, 131, 130, 131, - 130, 125, 50, 125, 33, 33, 33, 33, 33, 33, - 33, 33, 33, 33, 33, 33, 35, 35, 35, 35, - 35, 35, 35, 35, 35, 35, 35, 35, 39, 39, - 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, - - 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, - 41, 41, 43, 43, 43, 43, 43, 43, 43, 43, - 43, 43, 43, 43, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 49, 132, 42, 49, - 49, 49, 69, 69, 42, 40, 40, 34, 34, 69, - 132, 69, 72, 72, 72, 72, 72, 132, 72, 72, - 72, 72, 72, 72, 75, 75, 75, 75, 75, 75, - 132, 75, 75, 75, 75, 75, 78, 132, 132, 78, - 78, 78, 80, 80, 80, 80, 132, 80, 80, 80, - 80, 80, 80, 80, 81, 81, 81, 81, 81, 132, - - 81, 81, 81, 81, 81, 81, 85, 85, 85, 85, - 85, 132, 85, 85, 85, 85, 85, 89, 89, 89, - 89, 89, 89, 89, 89, 89, 89, 89, 89, 102, - 102, 132, 102, 102, 102, 102, 102, 102, 102, 102, - 102, 106, 106, 106, 106, 110, 110, 110, 110, 122, - 122, 122, 122, 15, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132 - } ; - -static yyconst short int yy_chk[476] = - { 0, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 5, 127, 5, 5, 11, 11, 5, 5, 5, - 13, 5, 14, 5, 6, 11, 6, 6, 12, 12, - 6, 6, 6, 13, 6, 14, 6, 124, 12, 21, - 21, 22, 34, 34, 22, 24, 24, 25, 25, 21, - 25, 52, 21, 52, 27, 24, 26, 26, 27, 55, - 37, 55, 30, 30, 37, 123, 26, 42, 42, 26, - 28, 28, 30, 44, 44, 108, 47, 47, 73, 73, - 28, 28, 47, 28, 104, 51, 51, 28, 31, 31, - - 50, 50, 102, 50, 31, 51, 65, 65, 31, 36, - 65, 36, 36, 82, 82, 36, 36, 36, 61, 36, - 61, 36, 56, 56, 56, 56, 56, 56, 56, 56, - 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, - 56, 56, 56, 59, 59, 62, 62, 67, 67, 92, - 77, 79, 79, 59, 77, 62, 59, 67, 109, 79, - 59, 60, 109, 60, 60, 84, 84, 60, 60, 60, - 97, 60, 97, 60, 74, 74, 83, 83, 86, 86, - 74, 78, 83, 87, 87, 99, 99, 101, 101, 87, - 94, 101, 94, 94, 69, 99, 94, 94, 94, 94, - - 94, 94, 94, 96, 66, 96, 96, 114, 114, 96, - 96, 96, 105, 96, 105, 96, 103, 125, 103, 103, - 64, 125, 103, 103, 103, 57, 103, 54, 103, 111, - 111, 112, 112, 115, 115, 111, 53, 112, 49, 115, - 116, 116, 118, 118, 119, 119, 116, 32, 118, 29, - 119, 126, 126, 128, 128, 129, 129, 130, 130, 131, - 131, 128, 19, 129, 133, 133, 133, 133, 133, 133, - 133, 133, 133, 133, 133, 133, 134, 134, 134, 134, - 134, 134, 134, 134, 134, 134, 134, 134, 135, 135, - 135, 135, 135, 135, 135, 135, 135, 135, 135, 135, - - 136, 136, 136, 136, 136, 136, 136, 136, 136, 136, - 136, 136, 137, 137, 137, 137, 137, 137, 137, 137, - 137, 137, 137, 137, 138, 138, 138, 138, 138, 138, - 138, 138, 138, 138, 138, 138, 139, 15, 10, 139, - 139, 139, 140, 140, 9, 8, 7, 4, 3, 140, - 0, 140, 141, 141, 141, 141, 141, 0, 141, 141, - 141, 141, 141, 141, 142, 142, 142, 142, 142, 142, - 0, 142, 142, 142, 142, 142, 143, 0, 0, 143, - 143, 143, 144, 144, 144, 144, 0, 144, 144, 144, - 144, 144, 144, 144, 145, 145, 145, 145, 145, 0, - - 145, 145, 145, 145, 145, 145, 146, 146, 146, 146, - 146, 0, 146, 146, 146, 146, 146, 147, 147, 147, - 147, 147, 147, 147, 147, 147, 147, 147, 147, 148, - 148, 0, 148, 148, 148, 148, 148, 148, 148, 148, - 148, 149, 149, 149, 149, 150, 150, 150, 150, 151, - 151, 151, 151, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132, 132, 132, 132, 132, 132, - 132, 132, 132, 132, 132 - } ; - -static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr; -static char *yy_full_match; -static int yy_lp; -static int yy_looking_for_trail_begin = 0; -static int yy_full_lp; -static int *yy_full_state; -#define YY_TRAILING_MASK 0x2000 -#define YY_TRAILING_HEAD_MASK 0x4000 -#define REJECT \ -{ \ -*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \ -yy_cp = yy_full_match; /* restore poss. backed-over text */ \ -yy_lp = yy_full_lp; /* restore orig. accepting pos. */ \ -yy_state_ptr = yy_full_state; /* restore orig. state */ \ -yy_current_state = *yy_state_ptr; /* restore curr. state */ \ -++yy_lp; \ -goto find_rule; \ -} -#define yymore() yymore_used_but_not_detected -#define YY_MORE_ADJ 0 -#define YY_RESTORE_YY_MORE_OFFSET -char *yytext; -#line 1 "scan.l" -#define INITIAL 0 -#line 2 "scan.l" -/*------------------------------------------------------------------------- - * - * scan.l - * lexical scanner for POSTGRES - * - * Copyright (c) 1994, Regents of the University of California - * - * - * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/parser/Attic/scan.c,v 1.37 1999/03/17 20:17:13 momjian Exp $ - * - *------------------------------------------------------------------------- - */ -#include <ctype.h> -#include <unistd.h> -#ifndef __linux__ -#include <math.h> -#else -#include <stdlib.h> -#endif /* __linux__ */ -#include <string.h> -#include <errno.h> - -#include "postgres.h" -#include "miscadmin.h" -#include "nodes/pg_list.h" -#include "nodes/parsenodes.h" -#include "parser/gramparse.h" -#include "parser/keywords.h" -#include "parser/scansup.h" -#include "parse.h" -#include "utils/builtins.h" - -extern char *parseString; -static char *parseCh; - -/* some versions of lex define this as a macro */ -#if defined(yywrap) -#undef yywrap -#endif /* yywrap */ - -#if defined(FLEX_SCANNER) -/* MAX_PARSE_BUFFER is defined in miscadmin.h */ -#define YYLMAX MAX_PARSE_BUFFER -#define YY_NO_UNPUT -static int myinput(char* buf, int max); -#undef YY_INPUT -#define YY_INPUT(buf,result,max) {result = myinput(buf,max);} -#else -#undef input -int input(); -#undef unput -void unput(char); -#endif /* FLEX_SCANNER */ - -extern YYSTYPE yylval; - -int llen; -char literal[MAX_PARSE_BUFFER]; - -/* OK, here is a short description of lex/flex rules behavior. - * The longest pattern which matches an input string is always chosen. - * For equal-length patterns, the first occurring in the rules list is chosen. - * INITIAL is the starting condition, to which all non-conditional rules apply. - * When in an exclusive condition, only those rules defined for that condition apply. - * - * Exclusive states change parsing rules while the state is active. - * There are exclusive states for quoted strings, extended comments, - * and to eliminate parsing troubles for numeric strings. - * Exclusive states: - * <xb> binary numeric string - thomas 1997-11-16 - * <xc> extended C-style comments - tgl 1997-07-12 - * <xd> delimited identifiers (double-quoted identifiers) - tgl 1997-10-27 - * <xh> hexadecimal numeric string - thomas 1997-11-16 - * <xm> numeric strings with embedded minus sign - tgl 1997-09-05 - * <xq> quoted strings - tgl 1997-07-30 - * - * The "extended comment" syntax closely resembles allowable operator syntax. - * So, when in condition <xc>, only strings which would terminate the - * "extended comment" trigger any action other than "ignore". - * Be sure to match _any_ candidate comment, including those with appended - * operator-like symbols. - thomas 1997-07-14 - */ -#define xb 1 - -#define xc 2 - -#define xd 3 - -#define xh 4 - -#define xm 5 - -#define xq 6 - -/* Binary number - */ -/* Hexadecimal number - */ -/* Extended quote - * xqdouble implements SQL92 embedded quote - * xqcat allows strings to cross input lines - * Note: reduction of '' and \ sequences to output text is done in scanstr(), - * not by rules here. - */ -/* Delimited quote - * Allows embedded spaces and other special characters into identifiers. - */ -/* Comments - * Ignored by the scanner and parser. - */ -/* -real [\-]?{digit}+\.{digit}+([Ee][-+]?{digit}+)? -*/ -/* DO NOT PUT ANY COMMENTS IN THE FOLLOWING SECTION. - * AT&T lex does not properly handle C-style comments in this second lex block. - * So, put comments here. tgl - 1997-09-08 - * - * Quoted strings must allow some special characters such as single-quote - * and newline. - * Embedded single-quotes are implemented both in the SQL/92-standard - * style of two adjacent single quotes "''" and in the Postgres/Java style - * of escaped-quote "\'". - * Other embedded escaped characters are matched explicitly and the leading - * backslash is dropped from the string. - thomas 1997-09-24 - */ -#line 677 "lex.yy.c" - -/* Macros after this point can all be overridden by user definitions in - * section 1. - */ - -#ifndef YY_SKIP_YYWRAP -#ifdef __cplusplus -extern "C" int yywrap YY_PROTO(( void )); -#else -extern int yywrap YY_PROTO(( void )); -#endif -#endif - -#ifndef YY_NO_UNPUT -static void yyunput YY_PROTO(( int c, char *buf_ptr )); -#endif - -#ifndef yytext_ptr -static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int )); -#endif - -#ifdef YY_NEED_STRLEN -static int yy_flex_strlen YY_PROTO(( yyconst char * )); -#endif - -#ifndef YY_NO_INPUT -#ifdef __cplusplus -static int yyinput YY_PROTO(( void )); -#else -static int input YY_PROTO(( void )); -#endif -#endif - -#if YY_STACK_USED -static int yy_start_stack_ptr = 0; -static int yy_start_stack_depth = 0; -static int *yy_start_stack = 0; -#ifndef YY_NO_PUSH_STATE -static void yy_push_state YY_PROTO(( int new_state )); -#endif -#ifndef YY_NO_POP_STATE -static void yy_pop_state YY_PROTO(( void )); -#endif -#ifndef YY_NO_TOP_STATE -static int yy_top_state YY_PROTO(( void )); -#endif - -#else -#define YY_NO_PUSH_STATE 1 -#define YY_NO_POP_STATE 1 -#define YY_NO_TOP_STATE 1 -#endif - -#ifdef YY_MALLOC_DECL -YY_MALLOC_DECL -#else -#if __STDC__ -#ifndef __cplusplus -#include <stdlib.h> -#endif -#else -/* Just try to get by without declaring the routines. This will fail - * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int) - * or sizeof(void*) != sizeof(int). - */ -#endif -#endif - -/* Amount of stuff to slurp up with each read. */ -#ifndef YY_READ_BUF_SIZE -#define YY_READ_BUF_SIZE 8192 -#endif - -/* Copy whatever the last rule matched to the standard output. */ - -#ifndef ECHO -/* This used to be an fputs(), but since the string might contain NUL's, - * we now use fwrite(). - */ -#define ECHO (void) fwrite( yytext, yyleng, 1, yyout ) -#endif - -/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, - * is returned in "result". - */ -#ifndef YY_INPUT -#define YY_INPUT(buf,result,max_size) \ - if ( yy_current_buffer->yy_is_interactive ) \ - { \ - int c = '*', 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 if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \ - && ferror( yyin ) ) \ - YY_FATAL_ERROR( "input in flex scanner failed" ); -#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 - -/* Default declaration of generated scanner - a define so the user can - * easily add parameters. - */ -#ifndef YY_DECL -#define YY_DECL int yylex YY_PROTO(( void )) -#endif - -/* Code executed at the beginning of each rule, after yytext and yyleng - * have been set up. - */ -#ifndef YY_USER_ACTION -#define YY_USER_ACTION -#endif - -/* Code executed at the end of each rule. */ -#ifndef YY_BREAK -#define YY_BREAK break; -#endif - -#define YY_RULE_SETUP \ - YY_USER_ACTION - -YY_DECL - { - register yy_state_type yy_current_state; - register char *yy_cp, *yy_bp; - register int yy_act; - -#line 180 "scan.l" - -#line 830 "lex.yy.c" - - if ( yy_init ) - { - yy_init = 0; - -#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 ) - yy_current_buffer = - yy_create_buffer( yyin, YY_BUF_SIZE ); - - yy_load_buffer_state(); - } - - while ( 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_state_ptr = yy_state_buf; - *yy_state_ptr++ = yy_current_state; -yy_match: - do - { - register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*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 >= 133 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - *yy_state_ptr++ = yy_current_state; - ++yy_cp; - } - while ( yy_base[yy_current_state] != 454 ); - -yy_find_action: - yy_current_state = *--yy_state_ptr; - yy_lp = yy_accept[yy_current_state]; -find_rule: /* we branch to this label when backing up */ - for ( ; ; ) /* until we find what rule we matched */ - { - if ( yy_lp && yy_lp < yy_accept[yy_current_state + 1] ) - { - yy_act = yy_acclist[yy_lp]; - if ( yy_act & YY_TRAILING_HEAD_MASK || - yy_looking_for_trail_begin ) - { - if ( yy_act == yy_looking_for_trail_begin ) - { - yy_looking_for_trail_begin = 0; - yy_act &= ~YY_TRAILING_HEAD_MASK; - break; - } - } - else if ( yy_act & YY_TRAILING_MASK ) - { - yy_looking_for_trail_begin = yy_act & ~YY_TRAILING_MASK; - yy_looking_for_trail_begin |= YY_TRAILING_HEAD_MASK; - } - else - { - yy_full_match = yy_cp; - yy_full_state = yy_state_ptr; - yy_full_lp = yy_lp; - break; - } - ++yy_lp; - goto find_rule; - } - --yy_cp; - yy_current_state = *--yy_state_ptr; - yy_lp = 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 1: -YY_RULE_SETUP -#line 181 "scan.l" -{ /* ignore */ } - YY_BREAK -case 2: -YY_RULE_SETUP -#line 183 "scan.l" -{ /* ignore */ } - YY_BREAK -case 3: -#line 186 "scan.l" -case 4: -YY_RULE_SETUP -#line 186 "scan.l" -{ BEGIN(xc); } - YY_BREAK -case 5: -YY_RULE_SETUP -#line 188 "scan.l" -{ BEGIN(INITIAL); } - YY_BREAK -case 6: -YY_RULE_SETUP -#line 190 "scan.l" -{ /* ignore */ } - YY_BREAK -case 7: -YY_RULE_SETUP -#line 192 "scan.l" -{ - BEGIN(xb); - llen = 0; - *literal = '\0'; - } - YY_BREAK -case 8: -YY_RULE_SETUP -#line 197 "scan.l" -{ - char* endptr; - - BEGIN(INITIAL); - errno = 0; - yylval.ival = strtol((char *)literal,&endptr,2); - if (*endptr != '\0' || errno == ERANGE) - elog(ERROR,"Bad binary integer input '%s'",literal); - return ICONST; - } - YY_BREAK -case 9: -#line 208 "scan.l" -case 10: -YY_RULE_SETUP -#line 208 "scan.l" -{ - if ((llen+yyleng) > (MAX_PARSE_BUFFER - 1)) - elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER); - memcpy(literal+llen, yytext, yyleng+1); - llen += yyleng; - } - YY_BREAK -case 11: -#line 215 "scan.l" -case 12: -YY_RULE_SETUP -#line 215 "scan.l" -{ - } - YY_BREAK -case 13: -YY_RULE_SETUP -#line 218 "scan.l" -{ - BEGIN(xh); - llen = 0; - *literal = '\0'; - } - YY_BREAK -case 14: -YY_RULE_SETUP -#line 223 "scan.l" -{ - char* endptr; - - BEGIN(INITIAL); - errno = 0; - yylval.ival = strtol((char *)literal,&endptr,16); - if (*endptr != '\0' || errno == ERANGE) - elog(ERROR,"Bad hexadecimal integer input '%s'",literal); - return ICONST; - } - YY_BREAK -case 15: -YY_RULE_SETUP -#line 234 "scan.l" -{ - BEGIN(xq); - llen = 0; - *literal = '\0'; - } - YY_BREAK -case 16: -YY_RULE_SETUP -#line 239 "scan.l" -{ - BEGIN(INITIAL); - yylval.str = pstrdup(scanstr(literal)); - return SCONST; - } - YY_BREAK -case 17: -#line 245 "scan.l" -case 18: -#line 246 "scan.l" -case 19: -YY_RULE_SETUP -#line 246 "scan.l" -{ - if ((llen+yyleng) > (MAX_PARSE_BUFFER - 1)) - elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER); - memcpy(literal+llen, yytext, yyleng+1); - llen += yyleng; - } - YY_BREAK -case 20: -YY_RULE_SETUP -#line 252 "scan.l" -{ - } - YY_BREAK -case 21: -YY_RULE_SETUP -#line 256 "scan.l" -{ - BEGIN(xd); - llen = 0; - *literal = '\0'; - } - YY_BREAK -case 22: -YY_RULE_SETUP -#line 261 "scan.l" -{ - BEGIN(INITIAL); - yylval.str = pstrdup(literal); - return IDENT; - } - YY_BREAK -case 23: -YY_RULE_SETUP -#line 266 "scan.l" -{ - if ((llen+yyleng) > (MAX_PARSE_BUFFER - 1)) - elog(ERROR,"quoted string parse buffer of %d chars exceeded",MAX_PARSE_BUFFER); - memcpy(literal+llen, yytext, yyleng+1); - llen += yyleng; - } - YY_BREAK -case 24: -YY_RULE_SETUP -#line 274 "scan.l" -{ /* ignore */ } - YY_BREAK -case 25: -YY_RULE_SETUP -#line 275 "scan.l" -{ - BEGIN(INITIAL); - return yytext[0]; - } - YY_BREAK -case 26: -YY_RULE_SETUP -#line 281 "scan.l" -{ return TYPECAST; } - YY_BREAK -case 27: -*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ -yy_c_buf_p = yy_cp = yy_bp + 1; -YY_DO_BEFORE_ACTION; /* set up yytext again */ -YY_RULE_SETUP -#line 283 "scan.l" -{ - BEGIN(xm); - return yytext[0]; - } - YY_BREAK -case 28: -YY_RULE_SETUP -#line 287 "scan.l" -{ return yytext[0]; } - YY_BREAK -case 29: -YY_RULE_SETUP -#line 288 "scan.l" -{ return yytext[0]; } - YY_BREAK -case 30: -*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ -yy_c_buf_p = yy_cp -= 2; -YY_DO_BEFORE_ACTION; /* set up yytext again */ -YY_RULE_SETUP -#line 289 "scan.l" -{ - yylval.str = pstrdup((char*)yytext); - return Op; - } - YY_BREAK -case 31: -YY_RULE_SETUP -#line 293 "scan.l" -{ - if (strcmp((char*)yytext,"!=") == 0) - yylval.str = pstrdup("<>"); /* compatability */ - else - yylval.str = pstrdup((char*)yytext); - return Op; - } - YY_BREAK -case 32: -YY_RULE_SETUP -#line 300 "scan.l" -{ - yylval.ival = atoi((char*)&yytext[1]); - return PARAM; - } - YY_BREAK -case 33: -YY_RULE_SETUP -#line 306 "scan.l" -{ - int i; - ScanKeyword *keyword; - - BEGIN(xm); - for(i = 0; yytext[i]; i++) - if (isascii((unsigned char)yytext[i]) && - isupper(yytext[i])) - yytext[i] = tolower(yytext[i]); - if (i >= NAMEDATALEN) - yytext[NAMEDATALEN-1] = '\0'; - - keyword = ScanKeywordLookup((char*)yytext); - if (keyword != NULL) { - return keyword->value; - } - else - { - yylval.str = pstrdup((char*)yytext); - return IDENT; - } - } - YY_BREAK -case 34: -YY_RULE_SETUP -#line 328 "scan.l" -{ - char* endptr; - - BEGIN(xm); - errno = 0; - yylval.ival = strtol((char *)yytext,&endptr,10); - if (*endptr != '\0' || errno == ERANGE) - { - errno = 0; - yylval.dval = strtod(((char *)yytext),&endptr); - if (*endptr != '\0' || errno == ERANGE) - elog(ERROR,"Bad integer input '%s'",yytext); - CheckFloat8Val(yylval.dval); - elog(NOTICE,"Integer input '%s' is out of range; promoted to float", yytext); - return FCONST; - } - return ICONST; - } - YY_BREAK -case 35: -YY_RULE_SETUP -#line 346 "scan.l" -{ - char* endptr; - - BEGIN(xm); - errno = 0; - yylval.dval = strtod(((char *)yytext),&endptr); - if (*endptr != '\0' || errno == ERANGE) - elog(ERROR,"Bad float8 input '%s'",yytext); - CheckFloat8Val(yylval.dval); - return FCONST; - } - YY_BREAK -case 36: -YY_RULE_SETUP -#line 357 "scan.l" -{ - char* endptr; - - errno = 0; - yylval.ival = strtol((char *)yytext,&endptr,10); - if (*endptr != '\0' || errno == ERANGE) - { - errno = 0; - yylval.dval = strtod(((char *)yytext),&endptr); - if (*endptr != '\0' || errno == ERANGE) - elog(ERROR,"Bad integer input '%s'",yytext); - CheckFloat8Val(yylval.dval); - elog(NOTICE,"Integer input '%s' is out of range; promoted to float", yytext); - return FCONST; - } - return ICONST; - } - YY_BREAK -case 37: -YY_RULE_SETUP -#line 374 "scan.l" -{ - char* endptr; - - errno = 0; - yylval.dval = strtod((char *)yytext,&endptr); - if (*endptr != '\0' || errno == ERANGE) - elog(ERROR,"Bad float input '%s'",yytext); - CheckFloat8Val(yylval.dval); - return FCONST; - } - YY_BREAK -case 38: -YY_RULE_SETUP -#line 386 "scan.l" -{ - int i; - ScanKeyword *keyword; - - for(i = 0; yytext[i]; i++) - if (isascii((unsigned char)yytext[i]) && - isupper(yytext[i])) - yytext[i] = tolower(yytext[i]); - if (i >= NAMEDATALEN) - yytext[NAMEDATALEN-1] = '\0'; - - keyword = ScanKeywordLookup((char*)yytext); - if (keyword != NULL) { - return keyword->value; - } - else - { - yylval.str = pstrdup((char*)yytext); - return IDENT; - } - } - YY_BREAK -case 39: -YY_RULE_SETUP -#line 407 "scan.l" -{ /* ignore */ } - YY_BREAK -case 40: -YY_RULE_SETUP -#line 409 "scan.l" -{ return yytext[0]; } - YY_BREAK -case 41: -YY_RULE_SETUP -#line 411 "scan.l" -ECHO; - YY_BREAK -#line 1300 "lex.yy.c" - case YY_STATE_EOF(INITIAL): - case YY_STATE_EOF(xb): - case YY_STATE_EOF(xc): - case YY_STATE_EOF(xd): - case YY_STATE_EOF(xh): - case YY_STATE_EOF(xm): - case YY_STATE_EOF(xq): - yyterminate(); - - 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->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->yy_n_chars; - yy_current_buffer->yy_input_file = yyin; - yy_current_buffer->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->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_c_buf_p; - 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->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 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() - { - register char *dest = yy_current_buffer->yy_ch_buf; - register char *source = yytext_ptr; - register int number_to_move, i; - int ret_val; - - if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] ) - YY_FATAL_ERROR( - "fatal flex scanner internal error--end of buffer missed" ); - - if ( yy_current_buffer->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->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->yy_n_chars = yy_n_chars = 0; - - else - { - int num_to_read = - yy_current_buffer->yy_buf_size - number_to_move - 1; - - while ( num_to_read <= 0 ) - { /* Not enough room in the buffer - grow it. */ -#ifdef YY_USES_REJECT - YY_FATAL_ERROR( -"input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); -#else - - /* just a shorter name for the current buffer */ - YY_BUFFER_STATE b = yy_current_buffer; - - 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. */ - yy_flex_realloc( (void *) b->yy_ch_buf, - b->yy_buf_size + 2 ); - } - else - /* Can't grow it, we don't own it. */ - b->yy_ch_buf = 0; - - if ( ! b->yy_ch_buf ) - YY_FATAL_ERROR( - "fatal error - scanner input buffer overflow" ); - - yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset]; - - num_to_read = yy_current_buffer->yy_buf_size - - number_to_move - 1; -#endif - } - - if ( num_to_read > YY_READ_BUF_SIZE ) - num_to_read = YY_READ_BUF_SIZE; - - /* Read in more data. */ - YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]), - yy_n_chars, num_to_read ); - - yy_current_buffer->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->yy_buffer_status = - YY_BUFFER_EOF_PENDING; - } - } - - else - ret_val = EOB_ACT_CONTINUE_SCAN; - - yy_n_chars += number_to_move; - yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR; - yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; - - yytext_ptr = &yy_current_buffer->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() - { - register yy_state_type yy_current_state; - register char *yy_cp; - - yy_current_state = yy_start; - yy_state_ptr = yy_state_buf; - *yy_state_ptr++ = yy_current_state; - - for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) - { - register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); - 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 >= 133 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - *yy_state_ptr++ = yy_current_state; - } - - 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 ); - */ - -#ifdef YY_USE_PROTOS -static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state ) -#else -static yy_state_type yy_try_NUL_trans( yy_current_state ) -yy_state_type yy_current_state; -#endif - { - register int yy_is_jam; - - register YY_CHAR yy_c = 1; - 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 >= 133 ) - yy_c = yy_meta[(unsigned int) yy_c]; - } - yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; - yy_is_jam = (yy_current_state == 132); - if ( ! yy_is_jam ) - *yy_state_ptr++ = yy_current_state; - - return yy_is_jam ? 0 : yy_current_state; - } - - -#ifndef YY_NO_UNPUT -#ifdef YY_USE_PROTOS -static void yyunput( int c, register char *yy_bp ) -#else -static void yyunput( c, yy_bp ) -int c; -register char *yy_bp; -#endif - { - register char *yy_cp = yy_c_buf_p; - - /* undo effects of setting up yytext */ - *yy_cp = yy_hold_char; - - if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) - { /* need to shift things up to make room */ - /* +2 for EOB chars. */ - register int number_to_move = yy_n_chars + 2; - register char *dest = &yy_current_buffer->yy_ch_buf[ - yy_current_buffer->yy_buf_size + 2]; - register char *source = - &yy_current_buffer->yy_ch_buf[number_to_move]; - - while ( source > yy_current_buffer->yy_ch_buf ) - *--dest = *--source; - - yy_cp += (int) (dest - source); - yy_bp += (int) (dest - source); - yy_current_buffer->yy_n_chars = - yy_n_chars = yy_current_buffer->yy_buf_size; - - if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) - YY_FATAL_ERROR( "flex scanner push-back overflow" ); - } - - *--yy_cp = (char) c; - - - yytext_ptr = yy_bp; - yy_hold_char = *yy_cp; - yy_c_buf_p = yy_cp; - } -#endif /* ifndef YY_NO_UNPUT */ - - -#ifdef __cplusplus -static int yyinput() -#else -static int input() -#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->yy_ch_buf[yy_n_chars] ) - /* This was really a NUL. */ - *yy_c_buf_p = '\0'; - - else - { /* need more input */ - int offset = 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 ); - - /* fall through */ - - case EOB_ACT_END_OF_FILE: - { - if ( yywrap() ) - return EOF; - - 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; - } - - -#ifdef YY_USE_PROTOS -void yyrestart( FILE *input_file ) -#else -void yyrestart( input_file ) -FILE *input_file; -#endif - { - if ( ! yy_current_buffer ) - yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); - - yy_init_buffer( yy_current_buffer, input_file ); - yy_load_buffer_state(); - } - - -#ifdef YY_USE_PROTOS -void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) -#else -void yy_switch_to_buffer( new_buffer ) -YY_BUFFER_STATE new_buffer; -#endif - { - 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->yy_buf_pos = yy_c_buf_p; - yy_current_buffer->yy_n_chars = yy_n_chars; - } - - yy_current_buffer = 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; - } - - -#ifdef YY_USE_PROTOS -void yy_load_buffer_state( void ) -#else -void yy_load_buffer_state() -#endif - { - yy_n_chars = yy_current_buffer->yy_n_chars; - yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos; - yyin = yy_current_buffer->yy_input_file; - yy_hold_char = *yy_c_buf_p; - } - - -#ifdef YY_USE_PROTOS -YY_BUFFER_STATE yy_create_buffer( FILE *file, int size ) -#else -YY_BUFFER_STATE yy_create_buffer( file, size ) -FILE *file; -int size; -#endif - { - YY_BUFFER_STATE b; - - b = (YY_BUFFER_STATE) yy_flex_alloc( 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 *) yy_flex_alloc( 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; - } - - -#ifdef YY_USE_PROTOS -void yy_delete_buffer( YY_BUFFER_STATE b ) -#else -void yy_delete_buffer( b ) -YY_BUFFER_STATE b; -#endif - { - if ( ! b ) - return; - - if ( b == yy_current_buffer ) - yy_current_buffer = (YY_BUFFER_STATE) 0; - - if ( b->yy_is_our_buffer ) - yy_flex_free( (void *) b->yy_ch_buf ); - - yy_flex_free( (void *) b ); - } - - -#ifndef YY_ALWAYS_INTERACTIVE -#ifndef YY_NEVER_INTERACTIVE -extern int isatty YY_PROTO(( int )); -#endif -#endif - -#ifdef YY_USE_PROTOS -void yy_init_buffer( YY_BUFFER_STATE b, FILE *file ) -#else -void yy_init_buffer( b, file ) -YY_BUFFER_STATE b; -FILE *file; -#endif - - - { - yy_flush_buffer( b ); - - b->yy_input_file = file; - b->yy_fill_buffer = 1; - -#if YY_ALWAYS_INTERACTIVE - b->yy_is_interactive = 1; -#else -#if YY_NEVER_INTERACTIVE - b->yy_is_interactive = 0; -#else - b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; -#endif -#endif - } - - -#ifdef YY_USE_PROTOS -void yy_flush_buffer( YY_BUFFER_STATE b ) -#else -void yy_flush_buffer( b ) -YY_BUFFER_STATE b; -#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(); - } - - -#ifndef YY_NO_SCAN_BUFFER -#ifdef YY_USE_PROTOS -YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size ) -#else -YY_BUFFER_STATE yy_scan_buffer( base, size ) -char *base; -yy_size_t size; -#endif - { - YY_BUFFER_STATE b; - - if ( size < 2 || - base[size-2] != YY_END_OF_BUFFER_CHAR || - base[size-1] != YY_END_OF_BUFFER_CHAR ) - /* They forgot to leave room for the EOB's. */ - return 0; - - b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) ); - if ( ! b ) - YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); - - b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ - b->yy_buf_pos = b->yy_ch_buf = base; - b->yy_is_our_buffer = 0; - b->yy_input_file = 0; - b->yy_n_chars = b->yy_buf_size; - b->yy_is_interactive = 0; - b->yy_at_bol = 1; - b->yy_fill_buffer = 0; - b->yy_buffer_status = YY_BUFFER_NEW; - - yy_switch_to_buffer( b ); - - return b; - } -#endif - - -#ifndef YY_NO_SCAN_STRING -#ifdef YY_USE_PROTOS -YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str ) -#else -YY_BUFFER_STATE yy_scan_string( yy_str ) -yyconst char *yy_str; -#endif - { - int len; - for ( len = 0; yy_str[len]; ++len ) - ; - - return yy_scan_bytes( yy_str, len ); - } -#endif - - -#ifndef YY_NO_SCAN_BYTES -#ifdef YY_USE_PROTOS -YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len ) -#else -YY_BUFFER_STATE yy_scan_bytes( bytes, len ) -yyconst char *bytes; -int len; -#endif - { - YY_BUFFER_STATE b; - char *buf; - yy_size_t n; - int i; - - /* Get memory for full buffer, including space for trailing EOB's. */ - n = len + 2; - buf = (char *) yy_flex_alloc( n ); - if ( ! buf ) - YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); - - for ( i = 0; i < len; ++i ) - buf[i] = bytes[i]; - - buf[len] = buf[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_NO_PUSH_STATE -#ifdef YY_USE_PROTOS -static void yy_push_state( int new_state ) -#else -static void yy_push_state( new_state ) -int new_state; -#endif - { - if ( yy_start_stack_ptr >= yy_start_stack_depth ) - { - yy_size_t new_size; - - yy_start_stack_depth += YY_START_STACK_INCR; - new_size = yy_start_stack_depth * sizeof( int ); - - if ( ! yy_start_stack ) - yy_start_stack = (int *) yy_flex_alloc( new_size ); - - else - yy_start_stack = (int *) yy_flex_realloc( - (void *) yy_start_stack, new_size ); - - if ( ! yy_start_stack ) - YY_FATAL_ERROR( - "out of memory expanding start-condition stack" ); - } - - yy_start_stack[yy_start_stack_ptr++] = YY_START; - - BEGIN(new_state); - } -#endif - - -#ifndef YY_NO_POP_STATE -static void yy_pop_state() - { - if ( --yy_start_stack_ptr < 0 ) - YY_FATAL_ERROR( "start-condition stack underflow" ); - - BEGIN(yy_start_stack[yy_start_stack_ptr]); - } -#endif - - -#ifndef YY_NO_TOP_STATE -static int yy_top_state() - { - return yy_start_stack[yy_start_stack_ptr - 1]; - } -#endif - -#ifndef YY_EXIT_FAILURE -#define YY_EXIT_FAILURE 2 -#endif - -#ifdef YY_USE_PROTOS -static void yy_fatal_error( yyconst char msg[] ) -#else -static void yy_fatal_error( msg ) -char msg[]; -#endif - { - (void) fprintf( stderr, "%s\n", msg ); - exit( YY_EXIT_FAILURE ); - } - - - -/* Redefine yyless() so it works in section 3 code. */ - -#undef yyless -#define yyless(n) \ - do \ - { \ - /* Undo effects of setting up yytext. */ \ - yytext[yyleng] = yy_hold_char; \ - yy_c_buf_p = yytext + n; \ - yy_hold_char = *yy_c_buf_p; \ - *yy_c_buf_p = '\0'; \ - yyleng = n; \ - } \ - while ( 0 ) - - -/* Internal utility routines. */ - -#ifndef yytext_ptr -#ifdef YY_USE_PROTOS -static void yy_flex_strncpy( char *s1, yyconst char *s2, int n ) -#else -static void yy_flex_strncpy( s1, s2, n ) -char *s1; -yyconst char *s2; -int n; -#endif - { - register int i; - for ( i = 0; i < n; ++i ) - s1[i] = s2[i]; - } -#endif - -#ifdef YY_NEED_STRLEN -#ifdef YY_USE_PROTOS -static int yy_flex_strlen( yyconst char *s ) -#else -static int yy_flex_strlen( s ) -yyconst char *s; -#endif - { - register int n; - for ( n = 0; s[n]; ++n ) - ; - - return n; - } -#endif - - -#ifdef YY_USE_PROTOS -static void *yy_flex_alloc( yy_size_t size ) -#else -static void *yy_flex_alloc( size ) -yy_size_t size; -#endif - { - return (void *) malloc( size ); - } - -#ifdef YY_USE_PROTOS -static void *yy_flex_realloc( void *ptr, yy_size_t size ) -#else -static void *yy_flex_realloc( ptr, size ) -void *ptr; -yy_size_t size; -#endif - { - /* The cast to (char *) in the following accommodates both - * implementations that use char* generic pointers, and those - * that use void* generic pointers. It works with the latter - * because both ANSI C and C++ allow castless assignment from - * any pointer type to void*, and deal with argument conversions - * as though doing an assignment. - */ - return (void *) realloc( (char *) ptr, size ); - } - -#ifdef YY_USE_PROTOS -static void yy_flex_free( void *ptr ) -#else -static void yy_flex_free( ptr ) -void *ptr; -#endif - { - free( ptr ); - } - -#if YY_MAIN -int main() - { - yylex(); - return 0; - } -#endif -#line 411 "scan.l" - - -void yyerror(char message[]) -{ - elog(ERROR, "parser: %s at or near \"%s\"", message, yytext); -} - -int yywrap() -{ - return(1); -} - -/* - init_io: - called by postgres before any actual parsing is done -*/ -void -init_io() -{ - /* it's important to set this to NULL - because input()/myinput() checks the non-nullness of parseCh - to know when to pass the string to lex/flex */ - parseCh = NULL; -#if defined(FLEX_SCANNER) - if (YY_CURRENT_BUFFER) - yy_flush_buffer(YY_CURRENT_BUFFER); -#endif /* FLEX_SCANNER */ - BEGIN INITIAL; -} - -#if !defined(FLEX_SCANNER) -/* get lex input from a string instead of from stdin */ -int -input() -{ - if (parseCh == NULL) - { - parseCh = parseString; - return(*parseCh++); - } - else if (*parseCh == '\0') - return(0); - else - return(*parseCh++); -} - -/* undo lex input from a string instead of from stdin */ -void -unput(char c) -{ - if (parseCh == NULL) - elog(FATAL, "Unput() failed.\n"); - else if (c != 0) - *--parseCh = c; -} -#endif /* !defined(FLEX_SCANNER) */ - -#ifdef FLEX_SCANNER -/* input routine for flex to read input from a string instead of a file */ -static int -myinput(char* buf, int max) -{ - int len, copylen; - - if (parseCh == NULL) - { - len = strlen(parseString); - if (len >= max) - copylen = max - 1; - else - copylen = len; - if (copylen > 0) - memcpy(buf, parseString, copylen); - buf[copylen] = '\0'; - parseCh = parseString; - return copylen; - } - else - return 0; /* end of string */ -} -#endif /* FLEX_SCANNER */ - |