/* * CDE - Common Desktop Environment * * Copyright (c) 1993-2012, The Open Group. All rights reserved. * * These libraries and programs are free software; you can * redistribute them and/or modify them under the terms of the GNU * Lesser General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) * any later version. * * These libraries and programs are distributed in the hope that * they will be useful, but WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU Lesser General Public License for more * details. * * You should have received a copy of the GNU Lesser General Public * License along with these libraries and programs; if not, write * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth * Floor, Boston, MA 02110-1301 USA */ /* A lexical scanner generated by flex */ /* scanner skeleton version: * $XConsortium: ps.cc /main/5 1996/08/05 17:05:45 drk $ */ #define FLEX_SCANNER #include /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ #ifdef c_plusplus #ifndef __cplusplus #define __cplusplus #endif #endif #ifdef __cplusplus #include #if defined(__linux__) || defined(CSRG_BASED) || defined(sun) #include #else #include #endif /* use prototypes in function declarations */ #define ps_USE_PROTOS /* the "const" storage-class-modifier is valid */ #define ps_USE_CONST #else /* ! __cplusplus */ #ifdef __STDC__ #ifdef __GNUC__ #include void *malloc( size_t ); void free( void* ); #else #include #endif /* __GNUC__ */ #define ps_USE_PROTOS #define ps_USE_CONST #endif /* __STDC__ */ #endif /* ! __cplusplus */ #ifdef __TURBOC__ #define ps_USE_CONST #endif #ifndef ps_USE_CONST #define const #endif #ifdef ps_USE_PROTOS #define ps_PROTO(proto) proto #else #define ps_PROTO(proto) () /* we can't get here if it's an ANSI C compiler, or a C++ compiler, * so it's got to be a K&R compiler, and therefore there's no standard * place from which to include these definitions */ char *malloc(); int free(); int read(); #endif /* amount of stuff to slurp up with each read */ #ifndef ps_READ_BUF_SIZE #define ps_READ_BUF_SIZE 8192 #endif /* returned upon end-of-file */ #define ps_END_TOK 0 /* copy whatever the last rule matched to the standard output */ /* cast to (char *) is because for 8-bit chars, pstext is (unsigned char *) */ /* this used to be an fputs(), but since the string might contain NUL's, * we now use fwrite() */ #define ECHO (void) fwrite( (char *) pstext, psleng, 1, psout ) /* gets input and stuffs it into "buf". number of characters read, or ps_NULL, * is returned in "result". */ #define ps_INPUT(buf,result,max_size) \ if ( (result = read( fileno(psin), (char *) buf, max_size )) < 0 ) \ ps_FATAL_ERROR( "read() in flex scanner failed" ); #define ps_NULL 0 /* no semi-colon after return; correct usage is to write "psterminate();" - * we don't want an extra ';' after the "return" because that will cause * some compilers to complain about unreachable statements. */ #define psterminate() return ( ps_NULL ) /* report a fatal error */ /* The funky do-while is used to turn this macro definition into * a single C statement (which needs a semi-colon terminator). * This avoids problems with code like: * * if ( something_happens ) * ps_FATAL_ERROR( "oops, the something happened" ); * else * everything_okay(); * * 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 ps_FATAL_ERROR() call. */ #define ps_FATAL_ERROR(msg) \ do \ { \ (void) fputs( msg, stderr ); \ (void) putc( '\n', stderr ); \ exit( 1 ); \ } \ while ( 0 ) /* default pswrap function - always treat EOF as an EOF */ #define pswrap() 1 /* 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 ps_start = 1 + 2 * /* action number for EOF rule of a given start state */ #define ps_STATE_EOF(state) (ps_END_OF_BUFFER + state + 1) /* special action meaning "start processing a new file" */ #define ps_NEW_FILE \ do \ { \ ps_init_buffer( ps_current_buffer, psin ); \ ps_load_buffer_state(); \ } \ while ( 0 ) /* default declaration of generated scanner - a define so the user can * easily add parameters */ #define ps_DECL int pslex ps_PROTO(( void )) /* code executed at the end of each rule */ #define ps_BREAK break; #define ps_END_OF_BUFFER_CHAR 0 #ifndef ps_BUF_SIZE #define ps_BUF_SIZE (ps_READ_BUF_SIZE * 2) /* size of default input buffer */ #endif typedef struct ps_buffer_state *ps_BUFFER_STATE; #define ps_CHAR unsigned char # line 1 "ps.l" #define INITIAL 0 /* * $XConsortium: ps.cc /main/5 1996/08/05 17:05:45 drk $ * * Copyright (c) 1993 HAL Computer Systems International, Ltd. * All rights reserved. Unpublished -- rights reserved under * the Copyright Laws of the United States. USE OF A COPYRIGHT * NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION * OR DISCLOSURE. * * THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE * SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE, * DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE * PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS * INTERNATIONAL, LTD. * * RESTRICTED RIGHTS LEGEND * Use, duplication, or disclosure by the Government is subject * to the restrictions as set forth in subparagraph (c)(l)(ii) * of the Rights in Technical Data and Computer Software clause * at DFARS 252.227-7013. * * HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. * 1315 Dell Avenue * Campbell, CA 95008 * */ # line 37 "ps.l" #include "compression/trie.h" #include "compression/abs_agent.h" static unsigned char psbuf[LBUFSIZ]; static int psbuf_sz = LBUFSIZ; static int psbuffed = 0; #undef pswrap int pswrap(); #undef ps_INPUT #define ps_INPUT(buf,result,max_size) \ { \ result = (*fill_buf_func)((unsigned char*)buf,max_size); \ } # line 57 "ps.l" /* done after the current pattern has been matched and before the * corresponding action - sets up pstext */ #define ps_DO_BEFORE_ACTION \ pstext = ps_bp; \ psleng = ps_cp - ps_bp; \ ps_hold_char = *ps_cp; \ *ps_cp = '\0'; \ ps_c_buf_p = ps_cp; #define EOB_ACT_CONTINUE_SCAN 0 #define EOB_ACT_END_OF_FILE 1 #define EOB_ACT_LAST_MATCH 2 /* return all but the first 'n' matched characters back to the input stream */ #define psless(n) \ do \ { \ /* undo effects of setting up pstext */ \ *ps_cp = ps_hold_char; \ ps_c_buf_p = ps_cp = ps_bp + n; \ ps_DO_BEFORE_ACTION; /* set up pstext again */ \ } \ while ( 0 ) #define unput(c) psunput( c, pstext ) struct ps_buffer_state { FILE *ps_input_file; ps_CHAR *ps_ch_buf; /* input buffer */ ps_CHAR *ps_buf_pos; /* current position in input buffer */ /* size of input buffer in bytes, not including room for EOB characters*/ int ps_buf_size; /* number of characters read into ps_ch_buf, not including EOB characters */ int ps_n_chars; int ps_eof_status; /* whether we've seen an EOF on this buffer */ #define EOF_NOT_SEEN 0 /* "pending" happens when the EOF has been seen but there's still * some text process */ #define EOF_PENDING 1 #define EOF_DONE 2 }; static ps_BUFFER_STATE ps_current_buffer; /* 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 ps_CURRENT_BUFFER ps_current_buffer /* ps_hold_char holds the character lost when pstext is formed */ static ps_CHAR ps_hold_char; static int ps_n_chars; /* number of characters read into ps_ch_buf */ #ifndef ps_USER_ACTION #define ps_USER_ACTION #endif #ifndef ps_USER_INIT #define ps_USER_INIT #endif extern ps_CHAR *pstext; extern int psleng; extern FILE *psin, *psout; ps_CHAR *pstext; int psleng; FILE *psin = (FILE *) 0, *psout = (FILE *) 0; #define ps_END_OF_BUFFER 3 typedef int ps_state_type; static const short int ps_accept[6] = { 0, 0, 0, 3, 1, 0 } ; static const ps_CHAR ps_ec[256] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 } ; static const ps_CHAR ps_meta[3] = { 0, 1, 1 } ; static const short int ps_base[6] = { 0, 0, 0, 3, 4, 4 } ; static const short int ps_def[6] = { 0, 5, 1, 5, 5, 0 } ; static const short int ps_nxt[7] = { 0, 4, 4, 5, 3, 5, 5 } ; static const short int ps_chk[7] = { 0, 1, 1, 3, 5, 5, 5 } ; static ps_state_type ps_last_accepting_state; static ps_CHAR *ps_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 psmore() psmore_used_but_not_detected #define ps_MORE_ADJ 0 /* these variables are all declared out here so that section 3 code can * manipulate them */ /* points to current character in buffer */ static ps_CHAR *ps_c_buf_p = (ps_CHAR *) 0; static int ps_init = 1; /* whether we need to initialize */ static int ps_start = 0; /* start state number */ /* flag which is used to allow pswrap()'s to do buffer switches * instead of setting up a fresh psin. A bit of a hack ... */ static int ps_did_buffer_switch_on_eof; static ps_state_type ps_get_previous_state ps_PROTO(( void )); static ps_state_type ps_try_NUL_trans ps_PROTO(( ps_state_type current_state )); static int ps_get_next_buffer ps_PROTO(( void )); #if 0 static void psunput ps_PROTO(( ps_CHAR c, ps_CHAR *buf_ptr )); #endif void psrestart ps_PROTO(( FILE *input_file )); void ps_switch_to_buffer ps_PROTO(( ps_BUFFER_STATE new_buffer )); void ps_load_buffer_state ps_PROTO(( void )); ps_BUFFER_STATE ps_create_buffer ps_PROTO(( FILE *file, int size )); void ps_delete_buffer ps_PROTO(( ps_BUFFER_STATE b )); void ps_init_buffer ps_PROTO(( ps_BUFFER_STATE b, FILE *file )); #define ps_new_buffer ps_create_buffer #if 0 #ifdef __cplusplus static int psinput ps_PROTO(( void )); #else static int input ps_PROTO(( void )); #endif #endif ps_DECL { ps_state_type ps_current_state; ps_CHAR *ps_cp, *ps_bp; int ps_act; if ( ps_init ) { ps_USER_INIT; if ( ! ps_start ) ps_start = 1; /* first start state */ if ( ! psin ) psin = stdin; if ( ! psout ) psout = stdout; if ( ps_current_buffer ) ps_init_buffer( ps_current_buffer, psin ); else ps_current_buffer = ps_create_buffer( psin, ps_BUF_SIZE ); ps_load_buffer_state(); ps_init = 0; } while ( 1 ) /* loops until end-of-file is reached */ { ps_cp = ps_c_buf_p; /* support of pstext */ *ps_cp = ps_hold_char; /* ps_bp points to the position in ps_ch_buf of the start of the * current run. */ ps_bp = ps_cp; ps_current_state = ps_start; ps_match: do { ps_CHAR ps_c = ps_ec[*ps_cp]; if ( ps_accept[ps_current_state] ) { ps_last_accepting_state = ps_current_state; ps_last_accepting_cpos = ps_cp; } while ( ps_chk[ps_base[ps_current_state] + ps_c] != ps_current_state ) { ps_current_state = ps_def[ps_current_state]; if ( ps_current_state >= 6 ) ps_c = ps_meta[ps_c]; } ps_current_state = ps_nxt[ps_base[ps_current_state] + ps_c]; ++ps_cp; } while ( ps_current_state != 5 ); ps_cp = ps_last_accepting_cpos; ps_current_state = ps_last_accepting_state; ps_find_action: ps_act = ps_accept[ps_current_state]; ps_DO_BEFORE_ACTION; ps_USER_ACTION; do_action: /* this label is used only to access EOF actions */ switch ( ps_act ) { case 0: /* must backtrack */ /* undo the effects of ps_DO_BEFORE_ACTION */ *ps_cp = ps_hold_char; ps_cp = ps_last_accepting_cpos; ps_current_state = ps_last_accepting_state; goto ps_find_action; case 1: # line 59 "ps.l" { if ( psbuffed >= psbuf_sz ) { //alphabet -> add_letters( psbuf, psbuf_sz ); (*lex_action_func)(psbuf, psbuf_sz, 2); psbuffed = 0; } psbuf[psbuffed++] = pstext[0]; } ps_BREAK case 2: # line 70 "ps.l" ps_FATAL_ERROR( "flex scanner jammed" ); ps_BREAK case ps_STATE_EOF(INITIAL): psterminate(); case ps_END_OF_BUFFER: { /* amount of text matched not including the EOB char */ int ps_amount_of_matched_text = ps_cp - pstext - 1; /* undo the effects of ps_DO_BEFORE_ACTION */ *ps_cp = ps_hold_char; /* note that here we test for ps_c_buf_p "<=" to the position * of the first EOB in the buffer, since ps_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 psinput(). */ if ( ps_c_buf_p <= &ps_current_buffer->ps_ch_buf[ps_n_chars] ) /* this was really a NUL */ { ps_state_type ps_next_state; ps_c_buf_p = pstext + ps_amount_of_matched_text; ps_current_state = ps_get_previous_state(); /* okay, we're now positioned to make the * NUL transition. We couldn't have * ps_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) */ ps_next_state = ps_try_NUL_trans( ps_current_state ); ps_bp = pstext + ps_MORE_ADJ; if ( ps_next_state ) { /* consume the NUL */ ps_cp = ++ps_c_buf_p; ps_current_state = ps_next_state; goto ps_match; } else { ps_cp = ps_last_accepting_cpos; ps_current_state = ps_last_accepting_state; goto ps_find_action; } } else switch ( ps_get_next_buffer() ) { case EOB_ACT_END_OF_FILE: { ps_did_buffer_switch_on_eof = 0; if ( pswrap() ) { /* note: because we've taken care in * ps_get_next_buffer() to have set up pstext, * we can now set up ps_c_buf_p so that if some * total hoser (like flex itself) wants * to call the scanner after we return the * ps_NULL, it'll still work - another ps_NULL * will get returned. */ ps_c_buf_p = pstext + ps_MORE_ADJ; ps_act = ps_STATE_EOF((ps_start - 1) / 2); goto do_action; } else { if ( ! ps_did_buffer_switch_on_eof ) ps_NEW_FILE; } } break; case EOB_ACT_CONTINUE_SCAN: ps_c_buf_p = pstext + ps_amount_of_matched_text; ps_current_state = ps_get_previous_state(); ps_cp = ps_c_buf_p; ps_bp = pstext + ps_MORE_ADJ; goto ps_match; case EOB_ACT_LAST_MATCH: ps_c_buf_p = &ps_current_buffer->ps_ch_buf[ps_n_chars]; ps_current_state = ps_get_previous_state(); ps_cp = ps_c_buf_p; ps_bp = pstext + ps_MORE_ADJ; goto ps_find_action; } break; } default: #ifdef FLEX_DEBUG printf( "action # %d\n", ps_act ); #endif ps_FATAL_ERROR( "fatal flex scanner internal error--no action found" ); } } } /* ps_get_next_buffer - try to read in a new buffer * * synopsis * int ps_get_next_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 ps_get_next_buffer() { ps_CHAR *dest = ps_current_buffer->ps_ch_buf; ps_CHAR *source = pstext - 1; /* copy prev. char, too */ int number_to_move, i; int ret_val; if ( ps_c_buf_p > &ps_current_buffer->ps_ch_buf[ps_n_chars + 1] ) ps_FATAL_ERROR( "fatal flex scanner internal error--end of buffer missed" ); /* try to read more data */ /* first move last chars to start of buffer */ number_to_move = ps_c_buf_p - pstext; for ( i = 0; i < number_to_move; ++i ) *(dest++) = *(source++); if ( ps_current_buffer->ps_eof_status != EOF_NOT_SEEN ) /* don't do the read, it's not guaranteed to return an EOF, * just force an EOF */ ps_n_chars = 0; else { int num_to_read = ps_current_buffer->ps_buf_size - number_to_move - 1; if ( num_to_read > ps_READ_BUF_SIZE ) num_to_read = ps_READ_BUF_SIZE; else if ( num_to_read <= 0 ) ps_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); /* read in more data */ ps_INPUT( (&ps_current_buffer->ps_ch_buf[number_to_move]), ps_n_chars, num_to_read ); } if ( ps_n_chars == 0 ) { if ( number_to_move == 1 ) { ret_val = EOB_ACT_END_OF_FILE; ps_current_buffer->ps_eof_status = EOF_DONE; } else { ret_val = EOB_ACT_LAST_MATCH; ps_current_buffer->ps_eof_status = EOF_PENDING; } } else ret_val = EOB_ACT_CONTINUE_SCAN; ps_n_chars += number_to_move; ps_current_buffer->ps_ch_buf[ps_n_chars] = ps_END_OF_BUFFER_CHAR; ps_current_buffer->ps_ch_buf[ps_n_chars + 1] = ps_END_OF_BUFFER_CHAR; /* pstext begins at the second character in ps_ch_buf; the first * character is the one which preceded it before reading in the latest * buffer; it needs to be kept around in case it's a newline, so * ps_get_previous_state() will have with '^' rules active */ pstext = &ps_current_buffer->ps_ch_buf[1]; return ( ret_val ); } /* ps_get_previous_state - get the state just before the EOB char was reached * * synopsis * ps_state_type ps_get_previous_state(); */ static ps_state_type ps_get_previous_state() { ps_state_type ps_current_state; ps_CHAR *ps_cp; ps_current_state = ps_start; for ( ps_cp = pstext + ps_MORE_ADJ; ps_cp < ps_c_buf_p; ++ps_cp ) { ps_CHAR ps_c = (*ps_cp ? ps_ec[*ps_cp] : 1); if ( ps_accept[ps_current_state] ) { ps_last_accepting_state = ps_current_state; ps_last_accepting_cpos = ps_cp; } while ( ps_chk[ps_base[ps_current_state] + ps_c] != ps_current_state ) { ps_current_state = ps_def[ps_current_state]; if ( ps_current_state >= 6 ) ps_c = ps_meta[ps_c]; } ps_current_state = ps_nxt[ps_base[ps_current_state] + ps_c]; } return ( ps_current_state ); } /* ps_try_NUL_trans - try to make a transition on the NUL character * * synopsis * next_state = ps_try_NUL_trans( current_state ); */ #ifdef ps_USE_PROTOS static ps_state_type ps_try_NUL_trans( ps_state_type ps_current_state ) #else static ps_state_type ps_try_NUL_trans( ps_current_state ) ps_state_type ps_current_state; #endif { int ps_is_jam; ps_CHAR *ps_cp = ps_c_buf_p; ps_CHAR ps_c = 1; if ( ps_accept[ps_current_state] ) { ps_last_accepting_state = ps_current_state; ps_last_accepting_cpos = ps_cp; } while ( ps_chk[ps_base[ps_current_state] + ps_c] != ps_current_state ) { ps_current_state = ps_def[ps_current_state]; if ( ps_current_state >= 6 ) ps_c = ps_meta[ps_c]; } ps_current_state = ps_nxt[ps_base[ps_current_state] + ps_c]; ps_is_jam = (ps_current_state == 5); return ( ps_is_jam ? 0 : ps_current_state ); } #if 0 #ifdef ps_USE_PROTOS static void psunput( ps_CHAR c, ps_CHAR *ps_bp ) #else static void psunput( c, ps_bp ) ps_CHAR c; ps_CHAR *ps_bp; #endif { ps_CHAR *ps_cp = ps_c_buf_p; /* undo effects of setting up pstext */ *ps_cp = ps_hold_char; if ( ps_cp < ps_current_buffer->ps_ch_buf + 2 ) { /* need to shift things up to make room */ int number_to_move = ps_n_chars + 2; /* +2 for EOB chars */ ps_CHAR *dest = &ps_current_buffer->ps_ch_buf[ps_current_buffer->ps_buf_size + 2]; ps_CHAR *source = &ps_current_buffer->ps_ch_buf[number_to_move]; while ( source > ps_current_buffer->ps_ch_buf ) *--dest = *--source; ps_cp += dest - source; ps_bp += dest - source; ps_n_chars = ps_current_buffer->ps_buf_size; if ( ps_cp < ps_current_buffer->ps_ch_buf + 2 ) ps_FATAL_ERROR( "flex scanner push-back overflow" ); } if ( ps_cp > ps_bp && ps_cp[-1] == '\n' ) ps_cp[-2] = '\n'; *--ps_cp = c; /* note: the formal parameter *must* be called "ps_bp" for this * macro to now work correctly */ ps_DO_BEFORE_ACTION; /* set up pstext again */ } #endif #if 0 #ifdef __cplusplus static int psinput() #else static int input() #endif { int c; ps_CHAR *ps_cp = ps_c_buf_p; *ps_cp = ps_hold_char; if ( *ps_c_buf_p == ps_END_OF_BUFFER_CHAR ) { /* ps_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 ( ps_c_buf_p < &ps_current_buffer->ps_ch_buf[ps_n_chars] ) /* this was really a NUL */ *ps_c_buf_p = '\0'; else { /* need more input */ pstext = ps_c_buf_p; ++ps_c_buf_p; switch ( ps_get_next_buffer() ) { case EOB_ACT_END_OF_FILE: { if ( pswrap() ) { ps_c_buf_p = pstext + ps_MORE_ADJ; return ( EOF ); } ps_NEW_FILE; #ifdef __cplusplus return ( psinput() ); #else return ( input() ); #endif } break; case EOB_ACT_CONTINUE_SCAN: ps_c_buf_p = pstext + ps_MORE_ADJ; break; case EOB_ACT_LAST_MATCH: #ifdef __cplusplus ps_FATAL_ERROR( "unexpected last match in psinput()" ); #else ps_FATAL_ERROR( "unexpected last match in input()" ); #endif } } } c = *ps_c_buf_p; ps_hold_char = *++ps_c_buf_p; return ( c ); } #endif #ifdef ps_USE_PROTOS void psrestart( FILE *input_file ) #else void psrestart( input_file ) FILE *input_file; #endif { ps_init_buffer( ps_current_buffer, input_file ); ps_load_buffer_state(); } #ifdef ps_USE_PROTOS void ps_switch_to_buffer( ps_BUFFER_STATE new_buffer ) #else void ps_switch_to_buffer( new_buffer ) ps_BUFFER_STATE new_buffer; #endif { if ( ps_current_buffer == new_buffer ) return; if ( ps_current_buffer ) { /* flush out information for old buffer */ *ps_c_buf_p = ps_hold_char; ps_current_buffer->ps_buf_pos = ps_c_buf_p; ps_current_buffer->ps_n_chars = ps_n_chars; } ps_current_buffer = new_buffer; ps_load_buffer_state(); /* we don't actually know whether we did this switch during * EOF (pswrap()) processing, but the only time this flag * is looked at is after pswrap() is called, so it's safe * to go ahead and always set it. */ ps_did_buffer_switch_on_eof = 1; } #ifdef ps_USE_PROTOS void ps_load_buffer_state( void ) #else void ps_load_buffer_state() #endif { ps_n_chars = ps_current_buffer->ps_n_chars; pstext = ps_c_buf_p = ps_current_buffer->ps_buf_pos; psin = ps_current_buffer->ps_input_file; ps_hold_char = *ps_c_buf_p; } #ifdef ps_USE_PROTOS ps_BUFFER_STATE ps_create_buffer( FILE *file, int size ) #else ps_BUFFER_STATE ps_create_buffer( file, size ) FILE *file; int size; #endif { ps_BUFFER_STATE b; b = (ps_BUFFER_STATE) malloc( sizeof( struct ps_buffer_state ) ); if ( ! b ) ps_FATAL_ERROR( "out of dynamic memory in ps_create_buffer()" ); b->ps_buf_size = size; /* ps_ch_buf has to be 2 characters longer than the size given because * we need to put in 2 end-of-buffer characters. */ b->ps_ch_buf = (ps_CHAR *) malloc( (unsigned) (b->ps_buf_size + 2) ); if ( ! b->ps_ch_buf ) ps_FATAL_ERROR( "out of dynamic memory in ps_create_buffer()" ); ps_init_buffer( b, file ); return ( b ); } #ifdef ps_USE_PROTOS void ps_delete_buffer( ps_BUFFER_STATE b ) #else void ps_delete_buffer( b ) ps_BUFFER_STATE b; #endif { if ( b == ps_current_buffer ) ps_current_buffer = (ps_BUFFER_STATE) 0; free( (char *) b->ps_ch_buf ); free( (char *) b ); } #ifdef ps_USE_PROTOS void ps_init_buffer( ps_BUFFER_STATE b, FILE *file ) #else void ps_init_buffer( b, file ) ps_BUFFER_STATE b; FILE *file; #endif { b->ps_input_file = file; /* we put in the '\n' and start reading from [1] so that an * initial match-at-newline will be true. */ b->ps_ch_buf[0] = '\n'; b->ps_n_chars = 1; /* 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->ps_ch_buf[1] = ps_END_OF_BUFFER_CHAR; b->ps_ch_buf[2] = ps_END_OF_BUFFER_CHAR; b->ps_buf_pos = &b->ps_ch_buf[1]; b->ps_eof_status = EOF_NOT_SEEN; } # line 70 "ps.l" int pswrap() { //alphabet -> add_letters( psbuf, psbuffed ); (*lex_action_func)(psbuf, psbuffed, 2); return 1; }