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/* A lexical scanner generated by flex */ # line 3 "flex.skel" /* scanner skeleton version: */ #define FLEX_SCANNER #include <stdio.h> /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ #ifdef c_plusplus #ifndef __cplusplus #define __cplusplus #endif #endif #ifdef __cplusplus #include <stdlib.h> #include <osfcn.h> /* use prototypes in function declarations */ #define YY_USE_PROTOS /* the "const" storage-class-modifier is valid */ #define YY_USE_CONST #else /* ! __cplusplus */ #ifdef __STDC__ #ifdef __GNUC__ #include <stddef.h> void *malloc( size_t ); void free( void* ); #else #include <stdlib.h> #endif /* __GNUC__ */ #define YY_USE_PROTOS #define YY_USE_CONST #endif /* __STDC__ */ #endif /* ! __cplusplus */ #ifdef __TURBOC__ #define YY_USE_CONST #endif #ifndef YY_USE_CONST #define const #endif #ifdef YY_USE_PROTOS #define YY_PROTO(proto) proto #else #define YY_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(); #endif /* amount of stuff to slurp up with each read */ #ifndef YY_READ_BUF_SIZE #define YY_READ_BUF_SIZE 8192 #endif /* returned upon end-of-file */ #define YY_END_TOK 0 /* copy whatever the last rule matched to the standard output */ /* cast to (char *) is because for 8-bit chars, yytext 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 *) yytext, yyleng, 1, yyout ) /* gets input and stuffs it into "buf". number of characters read, or YY_NULL, * is returned in "result". */ #define YY_INPUT(buf,result,max_size) \ if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \ YY_FATAL_ERROR( "read() in flex scanner failed" ); #define YY_NULL 0 /* 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. */ #define yyterminate() return ( YY_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 ) * YY_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 YY_FATAL_ERROR() call. */ #define YY_FATAL_ERROR(msg) \ do \ { \ (void) fputs( msg, stderr ); \ (void) putc( '\n', stderr ); \ exit( 1 ); \ } \ while ( 0 ) /* default yywrap function - always treat EOF as an EOF */ #define yywrap() 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 yy_start = 1 + 2 * /* 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 \ do \ { \ yy_init_buffer( yy_current_buffer, yyin ); \ yy_load_buffer_state(); \ } \ while ( 0 ) /* default declaration of generated scanner - a define so the user can * easily add parameters */ #define YY_DECL int yylex YY_PROTO(( void )) /* code executed at the end of each rule */ #define YY_BREAK break; #define YY_END_OF_BUFFER_CHAR 0 #ifndef YY_BUF_SIZE #define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of default input buffer */ #endif typedef struct yy_buffer_state *YY_BUFFER_STATE; #define YY_CHAR char # line 1 "./arlex.l" #define INITIAL 0 # line 2 "./arlex.l" /* arlex.l - Strange script language lexer */ /* Copyright (C) 1992 Free Software Foundation, Inc. This file is part of GNU Binutils. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Contributed by Steve Chamberlain sac@cygnus.com */ #define DONTDECLARE_MALLOC #include <ansidecl.h> #include "arparse.h" extern char *strdup(); int linenumber; # line 33 "./arlex.l" # line 168 "flex.skel" /* done after the current pattern has been matched and before the * corresponding action - sets up yytext */ #define YY_DO_BEFORE_ACTION \ yytext = yy_bp; \ yyleng = yy_cp - yy_bp; \ yy_hold_char = *yy_cp; \ *yy_cp = '\0'; \ yy_c_buf_p = yy_cp; # line 179 "flex.skel" #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 yyless(n) \ do \ { \ /* undo effects of setting up yytext */ \ *yy_cp = yy_hold_char; \ yy_c_buf_p = yy_cp = yy_bp + n; \ YY_DO_BEFORE_ACTION; /* set up yytext again */ \ } \ while ( 0 ) #define unput(c) yyunput( c, yytext ) struct yy_buffer_state { FILE *yy_input_file; YY_CHAR *yy_ch_buf; /* input buffer */ YY_CHAR *yy_buf_pos; /* current position in input buffer */ /* size of input buffer in bytes, not including room for EOB characters */ int yy_buf_size; /* number of characters read into yy_ch_buf, not including EOB characters */ int yy_n_chars; int yy_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 YY_BUFFER_STATE yy_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 YY_CURRENT_BUFFER yy_current_buffer /* yy_hold_char holds the character lost when yytext is formed */ static YY_CHAR yy_hold_char; static int yy_n_chars; /* number of characters read into yy_ch_buf */ #ifndef YY_USER_ACTION #define YY_USER_ACTION #endif #ifndef YY_USER_INIT #define YY_USER_INIT #endif extern YY_CHAR *yytext; extern int yyleng; extern FILE *yyin, *yyout; YY_CHAR *yytext; int yyleng; FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; #define YY_END_OF_BUFFER 41 typedef int yy_state_type; static const short int yy_accept[177] = { 0, 0, 0, 41, 40, 39, 38, 35, 32, 33, 36, 40, 34, 37, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 36, 31, 37, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 7, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 22, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 10, 11, 12, 35, 15, 35, 35, 35, 35, 35, 35, 35, 35, 35, 25, 26, 27, 35, 30, 35, 35, 35, 3, 35, 35, 35, 35, 35, 35, 35, 35, 35, 18, 35, 35, 35, 35, 35, 35, 35, 1, 2, 4, 5, 35, 35, 35, 35, 35, 16, 17, 19, 20, 35, 35, 35, 35, 35, 35, 8, 9, 13, 14, 35, 23, 24, 28, 29, 35, 35, 6, 21, 0 } ; static const YY_CHAR yy_ec[128] = { 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, 3, 1, 1, 1, 4, 1, 1, 1, 5, 6, 7, 8, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 10, 1, 1, 1, 1, 1, 11, 12, 13, 14, 15, 16, 4, 17, 18, 4, 4, 19, 20, 21, 22, 23, 4, 24, 25, 26, 27, 28, 4, 29, 30, 4, 1, 1, 1, 1, 4, 1, 31, 32, 33, 34, 35, 36, 4, 37, 38, 4, 4, 39, 40, 41, 42, 43, 4, 44, 45, 46, 47, 48, 4, 49, 50, 4, 1, 1, 1, 1, 1 } ; static const YY_CHAR yy_meta[51] = { 0, 1, 2, 1, 3, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 } ; static const short int yy_base[180] = { 0, 0, 0, 193, 194, 194, 194, 0, 194, 194, 0, 190, 194, 0, 177, 32, 37, 32, 163, 174, 170, 164, 171, 174, 169, 149, 15, 22, 17, 135, 146, 142, 136, 143, 146, 141, 0, 0, 194, 0, 161, 159, 158, 153, 147, 156, 143, 149, 148, 141, 150, 141, 135, 138, 127, 125, 124, 119, 113, 122, 109, 115, 114, 107, 116, 107, 101, 104, 43, 136, 135, 130, 129, 0, 119, 123, 118, 114, 118, 119, 122, 124, 25, 104, 103, 98, 97, 0, 87, 91, 86, 82, 86, 87, 90, 92, 105, 100, 97, 94, 93, 105, 106, 102, 0, 0, 0, 104, 0, 92, 75, 70, 67, 64, 63, 75, 76, 72, 0, 0, 0, 74, 0, 62, 91, 88, 0, 86, 85, 73, 85, 79, 83, 70, 62, 59, 0, 57, 56, 44, 56, 50, 54, 41, 0, 0, 0, 0, 63, 58, 59, 67, 66, 0, 0, 0, 0, 38, 33, 34, 42, 41, 51, 0, 0, 0, 0, 30, 0, 0, 0, 0, 43, 21, 0, 0, 194, 65, 66, 69 } ; static const short int yy_def[180] = { 0, 176, 1, 176, 176, 176, 176, 177, 176, 176, 178, 176, 176, 179, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 178, 176, 179, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 177, 0, 176, 176, 176 } ; static const short int yy_nxt[245] = { 0, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 7, 15, 16, 17, 18, 19, 7, 20, 7, 7, 21, 7, 22, 23, 7, 7, 24, 7, 7, 25, 7, 26, 27, 28, 29, 30, 7, 31, 7, 7, 32, 7, 33, 34, 7, 7, 35, 7, 7, 41, 43, 45, 55, 44, 42, 57, 59, 56, 58, 46, 96, 97, 110, 111, 60, 37, 36, 37, 39, 175, 39, 174, 173, 172, 171, 170, 169, 168, 167, 166, 165, 164, 163, 162, 161, 160, 159, 158, 157, 156, 155, 154, 153, 152, 151, 150, 149, 148, 147, 146, 145, 144, 143, 142, 141, 140, 139, 138, 137, 136, 135, 134, 133, 132, 131, 130, 129, 128, 127, 126, 125, 124, 123, 122, 121, 120, 119, 118, 117, 116, 115, 114, 113, 112, 109, 108, 107, 106, 105, 104, 103, 102, 101, 100, 99, 98, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67, 66, 65, 64, 63, 62, 61, 54, 53, 52, 51, 50, 49, 48, 47, 40, 38, 176, 3, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176 } ; static const short int yy_chk[245] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 15, 16, 17, 26, 16, 15, 27, 28, 26, 27, 17, 68, 68, 82, 82, 28, 178, 177, 178, 179, 173, 179, 172, 167, 162, 161, 160, 159, 158, 157, 152, 151, 150, 149, 148, 143, 142, 141, 140, 139, 138, 137, 135, 134, 133, 132, 131, 130, 129, 128, 127, 125, 124, 123, 121, 117, 116, 115, 114, 113, 112, 111, 110, 109, 107, 103, 102, 101, 100, 99, 98, 97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 86, 85, 84, 83, 81, 80, 79, 78, 77, 76, 75, 74, 72, 71, 70, 69, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 35, 34, 33, 32, 31, 30, 29, 25, 24, 23, 22, 21, 20, 19, 18, 14, 11, 3, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176, 176 } ; static yy_state_type yy_last_accepting_state; static YY_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 # line 255 "flex.skel" /* these variables are all declared out here so that section 3 code can * manipulate them */ /* points to current character in buffer */ static YY_CHAR *yy_c_buf_p = (YY_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; 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 yyunput YY_PROTO(( YY_CHAR c, YY_CHAR *buf_ptr )); 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 )); #define yy_new_buffer yy_create_buffer #ifdef __cplusplus static int yyinput YY_PROTO(( void )); #else static int input YY_PROTO(( void )); #endif YY_DECL { register yy_state_type yy_current_state; register YY_CHAR *yy_cp, *yy_bp; register int yy_act; # line 296 "flex.skel" if ( yy_init ) { YY_USER_INIT; if ( ! yy_start ) yy_start = 1; /* first start state */ if ( ! yyin ) yyin = stdin; if ( ! yyout ) yyout = stdout; if ( yy_current_buffer ) yy_init_buffer( yy_current_buffer, yyin ); else yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); yy_load_buffer_state(); yy_init = 0; } while ( 1 ) /* loops until end-of-file is reached */ { # line 324 "flex.skel" 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[(int) *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 = yy_def[yy_current_state]; if ( yy_current_state >= 177 ) yy_c = yy_meta[(int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; ++yy_cp; } while ( yy_base[yy_current_state] != 194 ); # line 336 "flex.skel" yy_find_action: yy_act = yy_accept[yy_current_state]; # line 340 "flex.skel" YY_DO_BEFORE_ACTION; YY_USER_ACTION; do_action: /* this label is used only to access EOF actions */ # line 348 "flex.skel" switch ( yy_act ) { case 0: /* must backtrack */ /* 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: # line 35 "./arlex.l" { return ADDLIB; } YY_BREAK case 2: # line 36 "./arlex.l" { return ADDMOD; } YY_BREAK case 3: # line 37 "./arlex.l" { return CLEAR; } YY_BREAK case 4: # line 38 "./arlex.l" { return CREATE; } YY_BREAK case 5: # line 39 "./arlex.l" { return DELETE; } YY_BREAK case 6: # line 40 "./arlex.l" { return DIRECTORY; } YY_BREAK case 7: # line 41 "./arlex.l" { return END; } YY_BREAK case 8: # line 42 "./arlex.l" { return EXTRACT; } YY_BREAK case 9: # line 43 "./arlex.l" { return FULLDIR; } YY_BREAK case 10: # line 44 "./arlex.l" { return HELP; } YY_BREAK case 11: # line 45 "./arlex.l" { return LIST; } YY_BREAK case 12: # line 46 "./arlex.l" { return OPEN; } YY_BREAK case 13: # line 47 "./arlex.l" { return REPLACE; } YY_BREAK case 14: # line 48 "./arlex.l" { return VERBOSE; } YY_BREAK case 15: # line 49 "./arlex.l" { return SAVE; } YY_BREAK case 16: # line 50 "./arlex.l" { return ADDLIB; } YY_BREAK case 17: # line 51 "./arlex.l" { return ADDMOD; } YY_BREAK case 18: # line 52 "./arlex.l" { return CLEAR; } YY_BREAK case 19: # line 53 "./arlex.l" { return CREATE; } YY_BREAK case 20: # line 54 "./arlex.l" { return DELETE; } YY_BREAK case 21: # line 55 "./arlex.l" { return DIRECTORY; } YY_BREAK case 22: # line 56 "./arlex.l" { return END; } YY_BREAK case 23: # line 57 "./arlex.l" { return EXTRACT; } YY_BREAK case 24: # line 58 "./arlex.l" { return FULLDIR; } YY_BREAK case 25: # line 59 "./arlex.l" { return HELP; } YY_BREAK case 26: # line 60 "./arlex.l" { return LIST; } YY_BREAK case 27: # line 61 "./arlex.l" { return OPEN; } YY_BREAK case 28: # line 62 "./arlex.l" { return REPLACE; } YY_BREAK case 29: # line 63 "./arlex.l" { return VERBOSE; } YY_BREAK case 30: # line 64 "./arlex.l" { return SAVE; } YY_BREAK case 31: # line 65 "./arlex.l" { linenumber ++; } YY_BREAK case 32: # line 66 "./arlex.l" { return '('; } YY_BREAK case 33: # line 67 "./arlex.l" { return ')'; } YY_BREAK case 34: # line 68 "./arlex.l" { return ','; } YY_BREAK case 35: # line 69 "./arlex.l" { yylval.name = strdup(yytext); return FILENAME; } YY_BREAK case 36: # line 73 "./arlex.l" { } YY_BREAK case 37: # line 74 "./arlex.l" { } YY_BREAK case 38: # line 75 "./arlex.l" { } YY_BREAK case 39: # line 76 "./arlex.l" { linenumber ++; return NEWLINE; } YY_BREAK case 40: # line 78 "./arlex.l" ECHO; YY_BREAK case YY_STATE_EOF(INITIAL): yyterminate(); # line 353 "flex.skel" case YY_END_OF_BUFFER: { /* amount of text matched not including the EOB char */ int yy_amount_of_matched_text = yy_cp - yytext - 1; /* undo the effects of YY_DO_BEFORE_ACTION */ *yy_cp = yy_hold_char; /* 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 yyinput(). */ 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 + 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 + 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 { # line 402 "flex.skel" 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 + YY_MORE_ADJ; yy_act = YY_STATE_EOF((yy_start - 1) / 2); 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 + yy_amount_of_matched_text; yy_current_state = yy_get_previous_state(); yy_cp = yy_c_buf_p; yy_bp = yytext + 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 + YY_MORE_ADJ; goto yy_find_action; } break; } default: #ifdef FLEX_DEBUG printf( "action # %d\n", yy_act ); #endif YY_FATAL_ERROR( "fatal flex scanner internal error--no action found" ); } } } /* yy_get_next_buffer - try to read in a new buffer * * synopsis * int yy_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 yy_get_next_buffer() { register YY_CHAR *dest = yy_current_buffer->yy_ch_buf; register YY_CHAR *source = yytext - 1; /* copy prev. char, too */ 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" ); /* try to read more data */ /* first move last chars to start of buffer */ number_to_move = yy_c_buf_p - yytext; for ( i = 0; i < number_to_move; ++i ) *(dest++) = *(source++); if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN ) /* 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; if ( num_to_read > YY_READ_BUF_SIZE ) num_to_read = YY_READ_BUF_SIZE; else if ( num_to_read <= 0 ) YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); /* 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 == 1 ) { ret_val = EOB_ACT_END_OF_FILE; yy_current_buffer->yy_eof_status = EOF_DONE; } else { ret_val = EOB_ACT_LAST_MATCH; yy_current_buffer->yy_eof_status = 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 begins at the second character in yy_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 * yy_get_previous_state() will have with '^' rules active */ yytext = &yy_current_buffer->yy_ch_buf[1]; return ( ret_val ); } /* yy_get_previous_state - get the state just before the EOB char was reached * * synopsis * yy_state_type yy_get_previous_state(); */ static yy_state_type yy_get_previous_state() { register yy_state_type yy_current_state; register YY_CHAR *yy_cp; yy_current_state = yy_start; # line 569 "flex.skel" for ( yy_cp = yytext + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) { register YY_CHAR yy_c = (*yy_cp ? yy_ec[(int) *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 = yy_def[yy_current_state]; if ( yy_current_state >= 177 ) yy_c = yy_meta[(int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; # line 574 "flex.skel" } 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( register yy_state_type yy_current_state ) #else static yy_state_type yy_try_NUL_trans( yy_current_state ) register yy_state_type yy_current_state; #endif { register int yy_is_jam; register YY_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 = yy_def[yy_current_state]; if ( yy_current_state >= 177 ) yy_c = yy_meta[(int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; yy_is_jam = (yy_current_state == 176); # line 597 "flex.skel" return ( yy_is_jam ? 0 : yy_current_state ); } #ifdef YY_USE_PROTOS static void yyunput( YY_CHAR c, register YY_CHAR *yy_bp ) #else static void yyunput( c, yy_bp ) YY_CHAR c; register YY_CHAR *yy_bp; #endif { register YY_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 */ register int number_to_move = yy_n_chars + 2; /* +2 for EOB chars */ register YY_CHAR *dest = &yy_current_buffer->yy_ch_buf[yy_current_buffer->yy_buf_size + 2]; register YY_CHAR *source = &yy_current_buffer->yy_ch_buf[number_to_move]; while ( source > yy_current_buffer->yy_ch_buf ) *--dest = *--source; yy_cp += dest - source; yy_bp += 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" ); } if ( yy_cp > yy_bp && yy_cp[-1] == '\n' ) yy_cp[-2] = '\n'; *--yy_cp = c; /* note: the formal parameter *must* be called "yy_bp" for this * macro to now work correctly */ YY_DO_BEFORE_ACTION; /* set up yytext again */ } #ifdef __cplusplus static int yyinput() #else static int input() #endif { int c; YY_CHAR *yy_cp = yy_c_buf_p; *yy_cp = 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 = 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 + YY_MORE_ADJ; return ( EOF ); } YY_NEW_FILE; #ifdef __cplusplus return ( yyinput() ); #else return ( input() ); #endif } break; case EOB_ACT_CONTINUE_SCAN: yy_c_buf_p = yytext + 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 = *yy_c_buf_p; 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 { 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 = 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) malloc( 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 = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 2) ); if ( ! b->yy_ch_buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); 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 == yy_current_buffer ) yy_current_buffer = (YY_BUFFER_STATE) 0; free( (char *) b->yy_ch_buf ); free( (char *) b ); } #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 { b->yy_input_file = file; /* we put in the '\n' and start reading from [1] so that an * initial match-at-newline will be true. */ b->yy_ch_buf[0] = '\n'; b->yy_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->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR; b->yy_buf_pos = &b->yy_ch_buf[1]; b->yy_eof_status = EOF_NOT_SEEN; } # line 78 "./arlex.l" #ifndef yywrap /* Needed for lex, though not flex. */ int yywrap() { return 1; } #endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.