/* A lexical scanner generated by flex */ /* Scanner skeleton version: * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.85 95/04/24 10:48:47 vern 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_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 *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) 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 38 #define YY_END_OF_BUFFER 39 static yyconst short int yy_accept[141] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 39, 15, 15, 15, 15, 16, 16, 26, 38, 25, 23, 24, 18, 21, 26, 21, 19, 21, 19, 21, 22, 34, 34, 34, 34, 34, 29, 32, 30, 33, 37, 36, 15, 0, 0, 0, 4, 0, 0, 14, 0, 13, 15, 16, 0, 18, 18, 18, 17, 21, 21, 21, 0, 20, 21, 21, 21, 0, 20, 19, 19, 19, 19, 0, 31, 28, 0, 0, 29, 29, 30, 30, 30, 37, 0, 1, 3, 4, 4, 4, 0, 8, 7, 10, 6, 5, 0, 12, 13, 13, 13, 11, 17, 20, 20, 20, 31, 28, 28, 28, 28, 28, 0, 0, 35, 1, 2, 1, 2, 3, 3, 3, 9, 7, 7, 7, 10, 5, 5, 5, 27, 2, 27, 0 } ; static yyconst int yy_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 6, 7, 8, 9, 10, 11, 12, 9, 9, 9, 9, 9, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 9, 17, 18, 19, 20, 21, 1, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 1, 24, 1, 1, 1, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 } ; static yyconst int yy_meta[26] = { 0, 1, 1, 1, 1, 1, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 4, 2, 3, 2, 2, 1, 5, 2 } ; static yyconst short int yy_base[158] = { 0, 0, 1, 115, 114, 2, 3, 23, 0, 48, 0, 71, 94, 14, 26, 107, 105, 128, 17, 112, 137, 64, 0, 112, 663, 663, 663, 663, 663, 161, 185, 119, 189, 208, 232, 0, 236, 663, 663, 118, 8, 109, 105, 240, 663, 255, 663, 0, 89, 26, 77, 0, 64, 278, 291, 70, 663, 89, 315, 104, 0, 54, 339, 0, 0, 357, 361, 365, 369, 101, 373, 377, 396, 0, 93, 407, 411, 415, 0, 0, 96, 419, 423, 88, 64, 26, 0, 447, 0, 0, 0, 16, 450, 473, 663, 0, 0, 19, 663, 497, 521, 663, 525, 11, 663, 549, 0, 0, 29, 0, 0, 553, 557, 0, 561, 0, 0, 0, 0, 1, 0, 663, 663, 95, 0, 0, 663, 0, 0, 663, 565, 0, 0, 0, 569, 0, 0, 573, 663, 0, 663, 578, 583, 588, 593, 598, 603, 608, 613, 618, 623, 628, 633, 638, 642, 647, 652, 657 } ; static yyconst short int yy_def[158] = { 0, 141, 141, 142, 142, 143, 143, 143, 7, 140, 9, 144, 144, 144, 144, 145, 145, 140, 146, 146, 140, 146, 147, 140, 140, 140, 140, 140, 140, 140, 148, 149, 150, 148, 148, 33, 148, 140, 140, 151, 140, 152, 140, 140, 140, 140, 140, 153, 140, 146, 19, 154, 140, 140, 140, 140, 140, 155, 140, 146, 147, 140, 140, 29, 29, 140, 148, 140, 148, 149, 140, 150, 156, 71, 156, 148, 140, 148, 33, 33, 151, 140, 140, 152, 157, 43, 43, 140, 45, 45, 153, 140, 140, 140, 140, 53, 53, 140, 140, 140, 140, 140, 140, 155, 140, 140, 58, 58, 146, 65, 70, 140, 148, 81, 140, 114, 82, 82, 114, 157, 157, 140, 140, 92, 92, 123, 140, 93, 93, 140, 140, 99, 99, 100, 140, 102, 102, 140, 140, 137, 0, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140 } ; static yyconst short int yy_nxt[689] = { 0, 140, 140, 140, 140, 25, 25, 140, 140, 140, 140, 19, 19, 137, 120, 140, 140, 25, 20, 20, 26, 26, 27, 27, 21, 21, 25, 42, 50, 25, 82, 104, 129, 82, 44, 51, 121, 50, 28, 42, 50, 26, 140, 27, 51, 29, 44, 51, 29, 30, 24, 25, 30, 24, 30, 31, 30, 30, 30, 30, 32, 33, 33, 34, 35, 30, 36, 30, 37, 30, 35, 30, 30, 35, 25, 50, 102, 120, 39, 102, 92, 40, 51, 41, 42, 140, 93, 43, 59, 93, 101, 44, 102, 45, 46, 102, 45, 25, 138, 140, 81, 39, 140, 81, 40, 70, 41, 42, 70, 104, 43, 125, 138, 91, 44, 50, 45, 46, 84, 45, 52, 81, 51, 140, 108, 81, 70, 61, 140, 48, 140, 48, 23, 23, 53, 140, 140, 53, 49, 49, 49, 49, 49, 54, 140, 140, 140, 140, 140, 140, 140, 140, 55, 140, 140, 140, 140, 56, 57, 58, 49, 49, 58, 62, 62, 62, 62, 140, 140, 140, 140, 140, 140, 140, 63, 63, 140, 64, 140, 140, 65, 140, 140, 64, 140, 140, 64, 67, 67, 68, 67, 72, 72, 73, 72, 140, 74, 140, 140, 140, 140, 75, 140, 140, 140, 140, 140, 140, 140, 74, 76, 76, 77, 76, 140, 140, 140, 140, 140, 140, 140, 78, 78, 140, 79, 140, 140, 140, 140, 140, 79, 140, 140, 79, 67, 67, 68, 67, 67, 67, 68, 67, 85, 85, 85, 85, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 86, 87, 87, 87, 87, 140, 140, 140, 140, 140, 140, 140, 88, 88, 140, 89, 140, 140, 140, 140, 140, 89, 140, 140, 89, 94, 140, 140, 140, 140, 140, 140, 140, 140, 140, 95, 95, 140, 96, 94, 140, 140, 140, 140, 96, 140, 140, 96, 97, 140, 140, 140, 140, 140, 140, 98, 140, 99, 100, 140, 99, 105, 105, 105, 105, 140, 140, 140, 140, 140, 140, 140, 106, 106, 140, 107, 140, 140, 140, 140, 140, 107, 140, 140, 107, 62, 62, 62, 62, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 65, 109, 109, 109, 109, 67, 67, 68, 67, 67, 67, 67, 67, 67, 67, 68, 67, 110, 110, 110, 110, 72, 72, 73, 72, 140, 74, 140, 140, 140, 140, 75, 140, 140, 140, 140, 140, 140, 140, 74, 72, 72, 72, 72, 140, 140, 140, 140, 140, 140, 70, 111, 111, 112, 111, 76, 76, 76, 76, 76, 76, 77, 76, 113, 113, 113, 113, 114, 115, 114, 114, 140, 140, 140, 140, 140, 140, 140, 116, 116, 140, 117, 118, 140, 140, 140, 140, 117, 140, 140, 117, 87, 87, 87, 87, 122, 140, 140, 140, 140, 140, 140, 140, 140, 140, 123, 123, 140, 124, 122, 140, 140, 140, 140, 125, 140, 140, 125, 126, 140, 140, 140, 140, 140, 140, 140, 140, 140, 127, 127, 140, 128, 126, 140, 140, 140, 140, 128, 140, 140, 128, 130, 130, 130, 130, 140, 140, 140, 140, 140, 140, 140, 131, 131, 140, 132, 140, 140, 140, 140, 140, 132, 140, 140, 132, 133, 133, 133, 133, 134, 134, 134, 134, 140, 140, 140, 140, 140, 140, 140, 135, 135, 140, 136, 140, 140, 140, 140, 140, 136, 140, 140, 136, 105, 105, 105, 105, 111, 111, 111, 111, 111, 111, 112, 111, 114, 114, 114, 114, 130, 130, 130, 130, 134, 134, 134, 134, 139, 139, 139, 139, 18, 18, 18, 18, 18, 22, 22, 22, 22, 22, 24, 24, 24, 24, 24, 38, 38, 38, 38, 38, 47, 47, 47, 47, 47, 49, 49, 49, 49, 49, 60, 60, 60, 140, 60, 66, 66, 140, 66, 66, 69, 69, 69, 69, 69, 71, 71, 71, 71, 71, 80, 80, 80, 80, 80, 83, 83, 83, 83, 83, 90, 90, 90, 90, 49, 140, 140, 140, 49, 103, 103, 103, 103, 103, 74, 74, 74, 74, 74, 119, 119, 119, 119, 119, 17, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140 } ; static yyconst short int yy_chk[689] = { 0, 0, 0, 0, 0, 5, 6, 0, 0, 0, 0, 1, 2, 120, 119, 0, 0, 13, 1, 2, 5, 6, 5, 6, 1, 2, 7, 13, 18, 14, 40, 103, 97, 40, 13, 18, 91, 49, 7, 14, 108, 7, 85, 7, 49, 7, 14, 108, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 11, 21, 61, 84, 11, 61, 52, 11, 21, 11, 11, 50, 52, 11, 21, 52, 55, 11, 55, 11, 11, 55, 11, 12, 123, 50, 83, 12, 50, 80, 12, 74, 12, 12, 69, 57, 12, 123, 123, 48, 12, 59, 12, 12, 42, 12, 19, 41, 59, 19, 59, 39, 31, 23, 17, 16, 19, 15, 4, 3, 19, 0, 0, 19, 20, 20, 20, 20, 20, 20, 0, 0, 0, 0, 0, 0, 0, 0, 20, 0, 0, 0, 0, 20, 20, 20, 20, 20, 20, 29, 29, 29, 29, 0, 0, 0, 0, 0, 0, 0, 29, 29, 0, 29, 0, 0, 29, 0, 0, 29, 0, 0, 29, 30, 30, 30, 30, 32, 32, 32, 32, 0, 32, 0, 0, 0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 32, 33, 33, 33, 33, 0, 0, 0, 0, 0, 0, 0, 33, 33, 0, 33, 0, 0, 0, 0, 0, 33, 0, 0, 33, 34, 34, 34, 34, 36, 36, 36, 36, 43, 43, 43, 43, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 45, 45, 45, 45, 0, 0, 0, 0, 0, 0, 0, 45, 45, 0, 45, 0, 0, 0, 0, 0, 45, 0, 0, 45, 53, 0, 0, 0, 0, 0, 0, 0, 0, 0, 53, 53, 0, 53, 53, 0, 0, 0, 0, 53, 0, 0, 53, 54, 0, 0, 0, 0, 0, 0, 54, 0, 54, 54, 0, 54, 58, 58, 58, 58, 0, 0, 0, 0, 0, 0, 0, 58, 58, 0, 58, 0, 0, 0, 0, 0, 58, 0, 0, 58, 62, 62, 62, 62, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 65, 65, 65, 65, 66, 66, 66, 66, 67, 67, 67, 67, 68, 68, 68, 68, 70, 70, 70, 70, 71, 71, 71, 71, 0, 71, 0, 0, 0, 0, 71, 0, 0, 0, 0, 0, 0, 0, 71, 72, 72, 72, 72, 0, 0, 0, 0, 0, 0, 72, 75, 75, 75, 75, 76, 76, 76, 76, 77, 77, 77, 77, 81, 81, 81, 81, 82, 82, 82, 82, 0, 0, 0, 0, 0, 0, 0, 82, 82, 0, 82, 82, 0, 0, 0, 0, 82, 0, 0, 82, 87, 87, 87, 87, 92, 0, 0, 0, 0, 0, 0, 0, 0, 0, 92, 92, 0, 92, 92, 0, 0, 0, 0, 92, 0, 0, 92, 93, 0, 0, 0, 0, 0, 0, 0, 0, 0, 93, 93, 0, 93, 93, 0, 0, 0, 0, 93, 0, 0, 93, 99, 99, 99, 99, 0, 0, 0, 0, 0, 0, 0, 99, 99, 0, 99, 0, 0, 0, 0, 0, 99, 0, 0, 99, 100, 100, 100, 100, 102, 102, 102, 102, 0, 0, 0, 0, 0, 0, 0, 102, 102, 0, 102, 0, 0, 0, 0, 0, 102, 0, 0, 102, 105, 105, 105, 105, 111, 111, 111, 111, 112, 112, 112, 112, 114, 114, 114, 114, 130, 130, 130, 130, 134, 134, 134, 134, 137, 137, 137, 137, 141, 141, 141, 141, 141, 142, 142, 142, 142, 142, 143, 143, 143, 143, 143, 144, 144, 144, 144, 144, 145, 145, 145, 145, 145, 146, 146, 146, 146, 146, 147, 147, 147, 0, 147, 148, 148, 0, 148, 148, 149, 149, 149, 149, 149, 150, 150, 150, 150, 150, 151, 151, 151, 151, 151, 152, 152, 152, 152, 152, 153, 153, 153, 153, 154, 0, 0, 0, 154, 155, 155, 155, 155, 155, 156, 156, 156, 156, 156, 157, 157, 157, 157, 157, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140, 140 } ; static yy_state_type yy_last_accepting_state; static char *yy_last_accepting_cpos; /* The intent behind this definition is that it'll catch * any uses of REJECT which flex missed. */ #define REJECT reject_used_but_not_detected #define yymore() yymore_used_but_not_detected #define YY_MORE_ADJ 0 char *yytext; #line 1 "sgml.l" #define INITIAL 0 /* $Id: sgml.l,v 1.9 1996/02/07 15:32:28 connolly Exp $ */ /* sgml.l -- a lexical analyzer for Basic+/- SGML Documents * See: "A Tractible Lexical Analyzer for SGML" */ /* * NOTE: We assume the locale used by lex and the C compiler * agrees with ISO-646-IRV; for example: '1' == 0x31. */ /* Figure 1 -- Character Classes: Abstract Syntax */ /* Figure 2 -- Character Classes: Concrete Syntax */ /* LCNMSTRT [] */ /* UCNMSTRT [] */ /* @# hmmm. sgml spec says \015 */ /* @# hmmm. sgml spec says \012 */ /* Figure 3 -- Reference Delimiter Set: General */ /* 9.2.1 SGML Character */ /*name_start_character {LCLetter}|{UCLetter}|{LCNMSTRT}|{UCNMSTRT}*/ /* 9.3 Name */ /* 6.2.1 Space */ /* trailing white space */ /* 9.4.5 Reference End */ /* * 10.1.2 Parameter Literal * 7.9.3 Attribute Value Literal * (we leave recognition of character references and entity references, * and whitespace compression to further processing) * * @# should split this into minimum literal, parameter literal, * @# and attribute value literal. */ /* 9.6.1 Recognition modes */ /* * Recognition modes are represented here by start conditions. * The default start condition, INITIAL, represents the * CON recognition mode. This condition is used to detect markup * while parsing normal data charcters (mixed content). * * The CDATA start condition represents the CON recognition * mode with the restriction that only end-tags are recognized, * as in elements with CDATA declared content. * (@# no way to activate it yet: need hook to parser.) * * The TAG recognition mode is split into two start conditions: * ATTR, for recognizing attribute value list sub-tokens in * start-tags, and TAG for recognizing the TAGC (">") delimiter * in end-tags. * * The MD start condition is used in markup declarations. The COM * start condition is used for comment declarations. * * The DS condition is an approximation of the declaration subset * recognition mode in SGML. As we only use this condition after signalling * an error, it is merely a recovery device. * * The CXT, LIT, PI, and REF recognition modes are not separated out * as start conditions, but handled within the rules of other start * conditions. The GRP mode is not represented here. */ /* EXCERPT ACTIONS: START */ /* %x CON == INITIAL */ #define CDATA 1 #define TAG 2 #define ATTR 3 #define ATTRVAL 4 #define MD 5 #define COM 6 #define DS 7 /* EXCERPT ACTIONS: STOP */ /* 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 #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 134 "sgml.l" int *types = NULL; char **strings = NULL; size_t *lengths = NULL; int qty = 0; /* * See sgml_lex.c for description of * ADD, CALLBACK, ERROR, TOK macros. */ /* * 9.6 Delimiter Recognition and * Figure 3 -- Reference Delimiter Set: General * * This is organized by recognition mode: first CON, then TAG, * MD, and DS. Within a mode, the rules are ordered alphabetically * by delimiter name. */ /* < -- numeric character reference */ 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_match: do { register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; if ( yy_accept[yy_current_state] ) { yy_last_accepting_state = yy_current_state; yy_last_accepting_cpos = yy_cp; } while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; if ( yy_current_state >= 141 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; ++yy_cp; } while ( yy_base[yy_current_state] != 663 ); yy_find_action: yy_act = yy_accept[yy_current_state]; if ( yy_act == 0 ) { /* have to back up */ yy_cp = yy_last_accepting_cpos; yy_current_state = yy_last_accepting_state; yy_act = yy_accept[yy_current_state]; } YY_DO_BEFORE_ACTION; do_action: /* This label is used only to access EOF actions. */ switch ( yy_act ) { /* beginning of action switch */ case 0: /* must back up */ /* undo the effects of YY_DO_BEFORE_ACTION */ *yy_cp = yy_hold_char; yy_cp = yy_last_accepting_cpos; yy_current_state = yy_last_accepting_state; goto yy_find_action; case 1: YY_RULE_SETUP #line 158 "sgml.l" { /* explicit REFC? */ if(yytext[yyleng-1] == '\n' || yytext[yyleng-1] == ';'){ TOK2(tokF, tokObj, SGML_NUMCHARREF, yytext, yyleng-1, SGML_REFC, yytext + yyleng - 1, 1); }else{ TOK(tokF, tokObj, SGML_NUMCHARREF, yytext, yyleng); } } YY_BREAK /* <xyz. -- syntax error */ case 2: YY_RULE_SETUP #line 172 "sgml.l" { ERROR(SGML_ERROR, "bad character in character reference", yytext, yyleng); } YY_BREAK /* &#SPACE; -- named character reference. Not supported. */ case 3: YY_RULE_SETUP #line 180 "sgml.l" { ERROR(SGML_LIMITATION, "named character references are not supported", yytext, yyleng); } YY_BREAK /* & -- general entity reference */ case 4: YY_RULE_SETUP #line 188 "sgml.l" { /* explicit REFC? */ if(yytext[yyleng-1] == '\n' || yytext[yyleng-1] == ';'){ TOK2(tokF, tokObj, SGML_GEREF, yytext, yyleng-1, SGML_REFC, yytext + yyleng - 1, 1); }else{ TOK(tokF, tokObj, SGML_GEREF, yytext, yyleng); } } YY_BREAK /* -- end tag */ case 5: YY_RULE_SETUP #line 202 "sgml.l" { ADDCASE(SGML_END, yytext, yyleng); BEGIN(TAG); } YY_BREAK /* @# HACK for XMP, LISTING? Date: Fri, 19 Jan 1996 23:13:43 -0800 Message-Id: To: www-html@w3.org From: chris@walkaboutsoft.com (Chris Lovett) Subject: Re: Daniel Connolly's SGML Lex Specification */ /* -- empty end tag */ case 6: YY_RULE_SETUP #line 216 "sgml.l" { ERROR(SGML_LIMITATION, "empty end tag not supported", yytext, yyleng); } YY_BREAK /* -- empty comment */ case 8: YY_RULE_SETUP #line 229 "sgml.l" { TOK(auxF, auxObj, SGML_MARKUP_DECL, yytext, yyleng); } YY_BREAK /* -- comment */ case 27: YY_RULE_SETUP #line 389 "sgml.l" { ADD(SGML_COMMENT, yytext, yyleng); } YY_BREAK /* -- parameter entity reference */ case 28: YY_RULE_SETUP #line 394 "sgml.l" { ERROR(SGML_LIMITATION, "parameter entity reference not supported", yytext, yyleng); } YY_BREAK /* The limited set of markup delcarations we're interested in * use only numbers, names, and literals. */ case 29: YY_RULE_SETUP #line 403 "sgml.l" { ADD(SGML_NUMBER, yytext, yyleng); } YY_BREAK case 30: YY_RULE_SETUP #line 407 "sgml.l" { ADDCASE(SGML_NAME, yytext, yyleng); } YY_BREAK case 31: YY_RULE_SETUP #line 411 "sgml.l" { ADD(SGML_LITERAL, yytext, yyleng); } YY_BREAK case 32: YY_RULE_SETUP #line 415 "sgml.l" { ADD(SGML_TAGC, yytext, yyleng); CALLBACK(auxF, auxObj); BEGIN(INITIAL); } YY_BREAK /* other constructs are errors. */ /* -- marked section end */ case 35: YY_RULE_SETUP #line 447 "sgml.l" { BEGIN(INITIAL); } YY_BREAK /* ] -- declaration subset close */ case 36: YY_RULE_SETUP #line 451 "sgml.l" { BEGIN(COM); } YY_BREAK case 37: YY_RULE_SETUP #line 453 "sgml.l" { ERROR(SGML_LIMITATION, "declaration subset: skipping", yytext, yyleng); } YY_BREAK /* EXCERPT ACTIONS: STOP */ case 38: YY_RULE_SETUP #line 461 "sgml.l" YY_FATAL_ERROR( "flex scanner jammed" ); YY_BREAK case YY_STATE_EOF(INITIAL): case YY_STATE_EOF(CDATA): case YY_STATE_EOF(TAG): case YY_STATE_EOF(ATTR): case YY_STATE_EOF(ATTRVAL): case YY_STATE_EOF(MD): case YY_STATE_EOF(COM): case YY_STATE_EOF(DS): 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; 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 singled characater, 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_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 ); } 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; 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); if ( yy_accept[yy_current_state] ) { yy_last_accepting_state = yy_current_state; yy_last_accepting_cpos = yy_cp; } while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; if ( yy_current_state >= 141 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; } return yy_current_state; } /* yy_try_NUL_trans - try to make a transition on the NUL character * * synopsis * next_state = yy_try_NUL_trans( current_state ); */ #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 char *yy_cp = yy_c_buf_p; register YY_CHAR yy_c = 1; if ( yy_accept[yy_current_state] ) { yy_last_accepting_state = yy_current_state; yy_last_accepting_cpos = yy_cp; } while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; if ( yy_current_state >= 141 ) 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 == 140); 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_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 */ yytext_ptr = yy_c_buf_p; ++yy_c_buf_p; switch ( yy_get_next_buffer() ) { case EOB_ACT_END_OF_FILE: { if ( yywrap() ) { yy_c_buf_p = yytext_ptr + YY_MORE_ADJ; 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 + YY_MORE_ADJ; break; case EOB_ACT_LAST_MATCH: #ifdef __cplusplus YY_FATAL_ERROR( "unexpected last match in yyinput()" ); #else YY_FATAL_ERROR( "unexpected last match in input()" ); #endif } } } 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 { 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 *str ) #else YY_BUFFER_STATE yy_scan_string( str ) yyconst char *str; #endif { int len; for ( len = 0; str[len]; ++len ) ; return yy_scan_bytes( 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_MORE_ADJ; \ 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_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 461 "sgml.l"