/* A lexical scanner generated by flex */ /* Scanner skeleton version: * $Header: /cvsroot/pgsql/src/backend/parser/Attic/scan.c,v 1.27 1998/09/01 04:30:41 momjian Exp $ */ #define FLEX_SCANNER #define YY_FLEX_MAJOR_VERSION 2 #define YY_FLEX_MINOR_VERSION 5 #include /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ #ifdef c_plusplus #ifndef __cplusplus #define __cplusplus #endif #endif #ifdef __cplusplus #include #include /* 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 #include #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[177] = {0, 10, 10, 6, 6, 24, 24, 9, 9, 25, 25, 18, 18, 42, 40, 41, 39, 40, 41, 39, 41, 31, 40, 41, 22, 40, 41, 29, 31, 40, 41, 15, 40, 41, 29, 40, 41, 29, 31, 40, 41, 29, 31, 40, 41, 29, 40, 41, 29, 31, 40, 41, 36, 40, 41, 16418, 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, 24, 41, 23, 41, 9, 41, 14, 41, 41, 25, 41, 26, 41, 18, 41, 16, 41, 41, 31, 31, 31, 32, 31, 31, 36, 16418, 37, 16419, 4, 31, 31, 37, 16419, 27, 31, 38, 16417, 7, 13, 10, 6, 6, 5, 24, 9, 25, 18, 17, 20, 19, 20, 30, 28, 30, 28, 30, 32, 28, 1, 31, 31, 28, 30, 4, 31, 4, 31, 4, 31, 8226, 37, 16419, 37, 16419, 8225, 12, 5, 11, 21, 30, 8227, 37, 16419, 2, 4, 31, 30, 2, 2, 2, 2 }; static yyconst short int yy_accept[135] = {0, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 19, 21, 24, 27, 31, 34, 37, 41, 45, 48, 52, 56, 60, 64, 68, 72, 74, 76, 79, 82, 84, 86, 88, 90, 92, 94, 95, 97, 99, 101, 103, 104, 105, 106, 106, 107, 108, 108, 109, 110, 110, 112, 114, 116, 117, 117, 117, 119, 119, 121, 121, 121, 123, 124, 125, 126, 126, 126, 127, 128, 128, 128, 129, 130, 131, 131, 131, 132, 133, 133, 133, 134, 135, 137, 138, 140, 143, 144, 144, 145, 146, 147, 149, 149, 149, 149, 149, 151, 153, 155, 156, 158, 158, 160, 161, 161, 161, 162, 163, 163, 163, 164, 164, 164, 165, 166, 167, 167, 169, 169, 172, 173, 174, 175, 176, 177, 177 }; 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, 4, 4, 7, 8, 8, 9, 10, 8, 11, 12, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 8, 16, 16, 16, 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, 8, 21, 8, 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, 16, 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, 6, 1, 7, 8, 9, 10, 4, 11, 4, 4, 2, 2, 11, 2, 12 }; static yyconst short int yy_base[153] = {0, 0, 0, 368, 361, 18, 31, 350, 343, 339, 338, 46, 48, 18, 31, 344, 451, 451, 451, 332, 451, 58, 451, 51, 12, 44, 71, 23, 84, 327, 64, 102, 329, 0, 61, 0, 110, 67, 0, 0, 451, 0, 68, 451, 75, 451, 0, 81, 328, 247, 78, 91, 31, 242, 67, 234, 126, 228, 0, 146, 162, 85, 104, 0, 226, 140, 222, 150, 0, 211, 451, 451, 0, 98, 115, 0, 0, 99, 174, 153, 0, 0, 108, 156, 167, 0, 177, 179, 451, 451, 451, 451, 451, 153, 451, 183, 451, 196, 162, 0, 211, 0, 174, 155, 219, 111, 189, 451, 0, 77, 196, 451, 214, 217, 451, 188, 224, 234, 451, 236, 242, 451, 0, 451, 54, 51, 195, 244, 21, 248, 250, 252, 258, 451, 261, 273, 285, 297, 309, 321, 330, 338, 349, 361, 370, 379, 391, 403, 414, 426, 431, 435, 439 }; static yyconst short int yy_def[153] = {0, 133, 1, 134, 134, 135, 135, 136, 136, 137, 137, 138, 138, 139, 139, 133, 133, 133, 133, 140, 133, 140, 133, 133, 21, 21, 133, 24, 133, 24, 141, 141, 31, 142, 133, 143, 143, 144, 36, 145, 133, 146, 133, 133, 133, 133, 147, 133, 148, 140, 140, 133, 50, 133, 133, 52, 133, 133, 28, 133, 149, 56, 133, 150, 59, 133, 140, 133, 151, 31, 133, 133, 142, 133, 133, 143, 36, 144, 144, 144, 145, 146, 133, 133, 133, 147, 133, 133, 133, 133, 133, 133, 133, 133, 133, 56, 133, 95, 97, 95, 133, 152, 133, 149, 149, 104, 104, 133, 64, 133, 64, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 95, 133, 133, 110, 149, 104, 149, 149, 149, 133, 133, 0, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133 }; static yyconst short int yy_nxt[473] = {0, 16, 17, 18, 19, 20, 21, 22, 23, 24, 24, 25, 26, 27, 28, 29, 24, 30, 31, 30, 32, 16, 36, 55, 36, 47, 133, 37, 36, 36, 126, 38, 60, 36, 36, 36, 61, 36, 47, 48, 37, 36, 36, 92, 38, 93, 36, 36, 44, 44, 44, 44, 48, 51, 51, 56, 57, 45, 58, 45, 51, 51, 54, 73, 74, 125, 67, 67, 125, 52, 82, 83, 53, 51, 51, 68, 77, 84, 84, 94, 79, 94, 54, 86, 87, 59, 62, 62, 88, 50, 91, 110, 91, 51, 51, 63, 64, 95, 58, 95, 73, 74, 54, 65, 67, 67, 62, 62, 77, 70, 82, 83, 79, 68, 76, 63, 76, 112, 113, 77, 76, 76, 114, 76, 127, 76, 76, 95, 95, 96, 97, 95, 97, 95, 95, 97, 97, 98, 99, 97, 99, 97, 97, 95, 95, 95, 95, 95, 100, 100, 109, 109, 67, 67, 110, 115, 115, 101, 116, 117, 59, 68, 77, 118, 126, 102, 104, 53, 104, 84, 84, 105, 104, 106, 122, 104, 122, 104, 104, 86, 87, 119, 120, 77, 124, 124, 121, 95, 125, 95, 115, 115, 95, 95, 95, 95, 95, 95, 95, 95, 97, 128, 97, 128, 126, 97, 97, 98, 129, 97, 110, 97, 97, 100, 100, 133, 112, 113, 133, 112, 113, 114, 101, 104, 114, 104, 116, 117, 105, 104, 106, 118, 104, 50, 104, 104, 116, 117, 119, 120, 108, 118, 59, 121, 119, 120, 130, 131, 92, 121, 130, 131, 130, 131, 132, 131, 53, 126, 50, 126, 132, 131, 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, 90, 71, 49, 49, 49, 69, 69, 66, 50, 133, 42, 42, 69, 40, 69, 72, 72, 72, 72, 72, 40, 72, 72, 72, 72, 72, 72, 75, 75, 75, 75, 75, 75, 34, 75, 75, 75, 75, 75, 78, 34, 133, 78, 78, 78, 80, 80, 80, 80, 133, 80, 80, 80, 80, 80, 80, 80, 81, 81, 81, 81, 81, 133, 81, 81, 81, 81, 81, 81, 85, 85, 85, 85, 85, 133, 85, 85, 85, 85, 85, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 103, 103, 133, 103, 103, 103, 103, 103, 103, 103, 103, 103, 107, 107, 107, 107, 111, 111, 111, 111, 123, 123, 123, 123, 15, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133 }; static yyconst short int yy_chk[473] = {0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 24, 5, 13, 24, 5, 5, 5, 128, 5, 27, 5, 5, 6, 27, 6, 14, 13, 6, 6, 6, 52, 6, 52, 6, 6, 11, 11, 12, 12, 14, 23, 23, 25, 25, 11, 25, 12, 21, 21, 23, 34, 34, 125, 30, 30, 124, 21, 42, 42, 21, 26, 26, 30, 37, 44, 44, 54, 37, 54, 26, 47, 47, 26, 28, 28, 47, 50, 50, 109, 50, 51, 51, 28, 28, 61, 28, 61, 73, 73, 51, 28, 31, 31, 62, 62, 77, 31, 82, 82, 77, 31, 36, 62, 36, 74, 74, 36, 36, 36, 74, 36, 105, 36, 36, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 56, 59, 59, 65, 65, 67, 67, 65, 79, 79, 59, 83, 83, 59, 67, 79, 83, 103, 59, 60, 93, 60, 84, 84, 60, 60, 60, 98, 60, 98, 60, 60, 86, 86, 87, 87, 78, 102, 102, 87, 95, 102, 95, 115, 115, 95, 95, 95, 95, 95, 95, 95, 95, 97, 106, 97, 106, 126, 97, 97, 97, 126, 97, 110, 97, 97, 100, 100, 110, 112, 112, 69, 113, 113, 112, 100, 104, 113, 104, 116, 116, 104, 104, 104, 116, 104, 66, 104, 104, 117, 117, 119, 119, 64, 117, 57, 119, 120, 120, 127, 127, 55, 120, 129, 129, 130, 130, 131, 131, 53, 129, 49, 130, 132, 132, 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, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 139, 140, 48, 32, 140, 140, 140, 141, 141, 29, 19, 15, 10, 9, 141, 8, 141, 142, 142, 142, 142, 142, 7, 142, 142, 142, 142, 142, 142, 143, 143, 143, 143, 143, 143, 4, 143, 143, 143, 143, 143, 144, 3, 0, 144, 144, 144, 145, 145, 145, 145, 0, 145, 145, 145, 145, 145, 145, 145, 146, 146, 146, 146, 146, 0, 146, 146, 146, 146, 146, 146, 147, 147, 147, 147, 147, 0, 147, 147, 147, 147, 147, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 148, 149, 149, 0, 149, 149, 149, 149, 149, 149, 149, 149, 149, 150, 150, 150, 150, 151, 151, 151, 151, 152, 152, 152, 152, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133, 133 }; 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 1.27 1998/09/01 04:30:41 momjian Exp $ * *------------------------------------------------------------------------- */ #include #include #ifndef __linux__ #include #else #include #endif /* __linux__ */ #include #include #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 extern 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: * binary numeric string - thomas 1997-11-16 * extended C-style comments - tgl 1997-07-12 * delimited identifiers (double-quoted identifiers) - tgl 1997-10-27 * hexadecimal numeric string - thomas 1997-11-16 * numeric strings with embedded minus sign - tgl 1997-09-05 * quoted strings - tgl 1997-07-30 * * The "extended comment" syntax closely resembles allowable operator syntax. * So, when in condition , 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 */ /* 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 674 "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 #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 179 "scan.l" #line 827 "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 >= 134) 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] != 451); 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 180 "scan.l" { /* ignore */ } YY_BREAK case 2: YY_RULE_SETUP #line 182 "scan.l" { /* ignore */ } YY_BREAK case 3: #line 185 "scan.l" case 4: YY_RULE_SETUP #line 185 "scan.l" BEGIN(xc); YY_BREAK case 5: YY_RULE_SETUP #line 187 "scan.l" BEGIN(INITIAL); YY_BREAK case 6: YY_RULE_SETUP #line 189 "scan.l" { /* ignore */ } YY_BREAK case 7: YY_RULE_SETUP #line 191 "scan.l" { BEGIN(xb); llen = 0; *literal = '\0'; } YY_BREAK case 8: YY_RULE_SETUP #line 196 "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 207 "scan.l" case 10: YY_RULE_SETUP #line 207 "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 214 "scan.l" case 12: YY_RULE_SETUP #line 214 "scan.l" { } YY_BREAK case 13: YY_RULE_SETUP #line 217 "scan.l" { BEGIN(xh); llen = 0; *literal = '\0'; } YY_BREAK case 14: YY_RULE_SETUP #line 222 "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 233 "scan.l" { BEGIN(xq); llen = 0; *literal = '\0'; } YY_BREAK case 16: YY_RULE_SETUP #line 238 "scan.l" { BEGIN(INITIAL); yylval.str = pstrdup(scanstr(literal)); return SCONST; } YY_BREAK case 17: #line 244 "scan.l" case 18: YY_RULE_SETUP #line 244 "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 19: YY_RULE_SETUP #line 250 "scan.l" { if ((llen + yyleng - 1) > (MAX_PARSE_BUFFER - 1)) elog(ERROR, "quoted string parse buffer of %d chars exceeded", MAX_PARSE_BUFFER); memcpy(literal + llen, yytext, yyleng + 1); *(literal + llen) = '\''; llen += yyleng; } YY_BREAK case 20: YY_RULE_SETUP #line 258 "scan.l" { if ((llen + yyleng - 1) > (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 21: YY_RULE_SETUP #line 264 "scan.l" { } YY_BREAK case 22: YY_RULE_SETUP #line 268 "scan.l" { BEGIN(xd); llen = 0; *literal = '\0'; } YY_BREAK case 23: YY_RULE_SETUP #line 273 "scan.l" { BEGIN(INITIAL); yylval.str = pstrdup(literal); return IDENT; } YY_BREAK case 24: YY_RULE_SETUP #line 278 "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 25: YY_RULE_SETUP #line 286 "scan.l" { /* ignore */ } YY_BREAK case 26: YY_RULE_SETUP #line 287 "scan.l" { BEGIN(INITIAL); return yytext[0]; } YY_BREAK case 27: YY_RULE_SETUP #line 293 "scan.l" return TYPECAST; YY_BREAK case 28: *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 295 "scan.l" { BEGIN(xm); return yytext[0]; } YY_BREAK case 29: YY_RULE_SETUP #line 299 "scan.l" return yytext[0]; 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 300 "scan.l" { yylval.str = pstrdup((char *) yytext); return Op; } YY_BREAK case 31: YY_RULE_SETUP #line 304 "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 311 "scan.l" { yylval.ival = atoi((char *) &yytext[1]); return PARAM; } YY_BREAK case 33: YY_RULE_SETUP #line 317 "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 339 "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 357 "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 368 "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 385 "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 397 "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 418 "scan.l" { /* ignore */ } YY_BREAK case 40: YY_RULE_SETUP #line 420 "scan.l" return (yytext[0]); YY_BREAK case 41: YY_RULE_SETUP #line 422 "scan.l" ECHO; YY_BREAK #line 1311 "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 >= 134) 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 >= 134) 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 == 133); 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 422 "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 */ 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 */