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- /* A lexical scanner generated by flex */
-
- /* scanner skeleton version:
- * $Header: /usr/fsys/odin/a/vern/flex/RCS/flex.skel,v 2.16 90/08/03 14:09:36 vern Exp $
- */
-
- #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();
- int free();
- int read();
- #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 unsigned char
- # line 1 "bezier_l.l"
- #define INITIAL 0
- # line 2 "bezier_l.l"
- /**
- ** sipp - SImple Polygon Processor
- **
- ** A general 3d graphic package
- **
- ** Copyright Equivalent Software HB 1992
- **
- ** 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 1, or 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 can receive a copy of the GNU General Public License from the
- ** Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- **/
-
- /**
- ** bezier_lex.l - Lex source for reading bezier descriptions.
- **/
-
- #include "bezier.h"
-
- extern int atoi();
- extern double atof();
-
- extern Tokenval tokenval;
- extern FILE *bezier_file;
- # line 32 "bezier_l.l"
-
- /* 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;
-
- #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 15
- typedef int yy_state_type;
- static const short int yy_acclist[39] =
- { 0,
- 15, 13, 14, 11, 13, 14, 11, 14, 13, 14,
- 16396, 13, 14, 9, 13, 14, 13, 14, 13, 14,
- 13, 14, 13, 14,16396, 8204, 9, 10, 10, 10,
- 5, 4, 3, 8, 7, 6, 2, 1
- } ;
-
- static const short int yy_accept[86] =
- { 0,
- 1, 1, 1, 2, 4, 7, 9, 12, 14, 17,
- 19, 21, 23, 25, 26, 27, 28, 29, 29, 29,
- 29, 29, 30, 30, 30, 30, 30, 30, 30, 31,
- 31, 31, 31, 31, 31, 31, 31, 31, 31, 31,
- 31, 31, 31, 31, 31, 31, 31, 31, 32, 32,
- 32, 32, 32, 32, 32, 32, 32, 33, 33, 33,
- 33, 33, 33, 33, 33, 34, 34, 34, 34, 34,
- 34, 34, 34, 35, 36, 36, 36, 36, 37, 37,
- 37, 38, 38, 39, 39
- } ;
-
- static const YY_CHAR yy_ec[256] =
- { 0,
- 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 2, 1, 1, 4, 1, 1, 1, 1, 1,
- 1, 1, 5, 1, 6, 7, 1, 8, 8, 8,
- 8, 8, 8, 8, 8, 8, 8, 9, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 10, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 11, 1, 12, 13, 14, 1,
-
- 15, 1, 1, 16, 17, 1, 1, 18, 1, 1,
- 1, 19, 1, 20, 21, 22, 23, 24, 1, 25,
- 1, 26, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 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 YY_CHAR yy_meta[27] =
- { 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
- } ;
-
- static const short int yy_base[87] =
- { 0,
- 0, 23, 102, 103, 103, 103, 98, 92, 2, 84,
- 75, 85, 81, 92, 103, 4, 7, 68, 73, 70,
- 71, 8, 27, 73, 65, 74, 65, 78, 77, 69,
- 68, 66, 13, 61, 23, 28, 55, 65, 67, 59,
- 67, 57, 53, 62, 57, 26, 54, 103, 53, 60,
- 50, 46, 43, 53, 43, 42, 103, 45, 52, 40,
- 37, 36, 35, 35, 103, 31, 40, 44, 43, 29,
- 35, 33, 103, 103, 39, 25, 26, 103, 29, 0,
- 103, 11, 103, 103, 4, 0
- } ;
-
- static const short int yy_def[87] =
- { 0,
- 85, 85, 84, 84, 84, 84, 86, 84, 84, 84,
- 84, 84, 84, 86, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 0, 84, 84
- } ;
-
- static const short int yy_nxt[130] =
- { 0,
- 14, 5, 6, 7, 4, 8, 84, 9, 17, 16,
- 17, 16, 10, 11, 22, 22, 23, 23, 12, 83,
- 82, 23, 23, 13, 5, 6, 7, 37, 8, 38,
- 9, 28, 28, 40, 29, 10, 11, 81, 42, 53,
- 80, 12, 43, 41, 54, 79, 13, 78, 77, 76,
- 75, 74, 73, 72, 71, 70, 69, 68, 67, 66,
- 65, 64, 63, 62, 61, 60, 59, 58, 57, 56,
- 55, 52, 51, 50, 49, 48, 47, 46, 45, 44,
- 39, 36, 35, 34, 29, 29, 33, 32, 31, 30,
- 27, 26, 25, 24, 15, 21, 20, 19, 18, 16,
-
- 15, 84, 3, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84
- } ;
-
- static const short int yy_chk[130] =
- { 0,
- 86, 1, 1, 1, 85, 1, 0, 1, 9, 9,
- 16, 16, 1, 1, 17, 22, 17, 22, 1, 82,
- 80, 17, 22, 1, 2, 2, 2, 33, 2, 33,
- 2, 23, 23, 35, 23, 2, 2, 79, 36, 46,
- 77, 2, 36, 35, 46, 76, 2, 75, 72, 71,
- 70, 69, 68, 67, 66, 64, 63, 62, 61, 60,
- 59, 58, 56, 55, 54, 53, 52, 51, 50, 49,
- 47, 45, 44, 43, 42, 41, 40, 39, 38, 37,
- 34, 32, 31, 30, 29, 28, 27, 26, 25, 24,
- 21, 20, 19, 18, 14, 13, 12, 11, 10, 8,
-
- 7, 3, 84, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84, 84,
- 84, 84, 84, 84, 84, 84, 84, 84, 84
- } ;
-
- static yy_state_type yy_last_accepting_state;
- static YY_CHAR *yy_last_accepting_cpos;
-
- static yy_state_type yy_state_buf[YY_BUF_SIZE + 2], *yy_state_ptr;
- static YY_CHAR *yy_full_match;
- static int yy_lp;
- static int yy_looking_for_trail_begin = 0;
- static int yy_full_lp;
- static int *yy_full_state;
- #define YY_TRAILING_MASK 0x2000
- #define YY_TRAILING_HEAD_MASK 0x4000
- #define REJECT \
- { \
- *yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \
- yy_cp = yy_full_match; /* restore poss. backed-over text */ \
- yy_lp = yy_full_lp; /* restore orig. accepting pos. */ \
- yy_state_ptr = yy_full_state; /* restore orig. state */ \
- yy_current_state = *yy_state_ptr; /* restore curr. state */ \
- ++yy_lp; \
- goto find_rule; \
- }
- #define yymore() yymore_used_but_not_detected
- #define YY_MORE_ADJ 0
-
- /* 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;
-
-
-
-
- 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 */
- {
- yy_cp = yy_c_buf_p;
-
- /* support of yytext */
- *yy_cp = yy_hold_char;
-
- /* yy_bp points to the position in yy_ch_buf of the start of the
- * current run.
- */
- yy_bp = yy_cp;
-
- yy_current_state = yy_start;
- yy_state_ptr = yy_state_buf;
- *yy_state_ptr++ = yy_current_state;
- yy_match:
- do
- {
- register YY_CHAR yy_c = yy_ec[*yy_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 >= 85 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- *yy_state_ptr++ = yy_current_state;
- ++yy_cp;
- }
- while ( yy_current_state != 84 );
-
- yy_find_action:
- yy_current_state = *--yy_state_ptr;
- yy_lp = yy_accept[yy_current_state];
- find_rule: /* we branch to this label when backtracking */
- for ( ; ; ) /* until we find what rule we matched */
- {
- if ( yy_lp && yy_lp < yy_accept[yy_current_state + 1] )
- {
- yy_act = yy_acclist[yy_lp];
- if ( yy_act & YY_TRAILING_HEAD_MASK ||
- yy_looking_for_trail_begin )
- {
- if ( yy_act == yy_looking_for_trail_begin )
- {
- yy_looking_for_trail_begin = 0;
- yy_act &= ~YY_TRAILING_HEAD_MASK;
- break;
- }
- }
- else if ( yy_act & YY_TRAILING_MASK )
- {
- yy_looking_for_trail_begin = yy_act & ~YY_TRAILING_MASK;
- yy_looking_for_trail_begin |= YY_TRAILING_HEAD_MASK;
- }
- else
- {
- yy_full_match = yy_cp;
- yy_full_state = yy_state_ptr;
- yy_full_lp = yy_lp;
- break;
- }
- ++yy_lp;
- goto find_rule;
- }
- --yy_cp;
- yy_current_state = *--yy_state_ptr;
- yy_lp = yy_accept[yy_current_state];
- }
-
- YY_DO_BEFORE_ACTION;
- YY_USER_ACTION;
-
- do_action: /* this label is used only to access EOF actions */
-
-
- switch ( yy_act )
- {
- case 1:
- # line 34 "bezier_l.l"
- {return PATCHES;}
- YY_BREAK
- case 2:
- # line 35 "bezier_l.l"
- {return CURVES;}
- YY_BREAK
- case 3:
- # line 36 "bezier_l.l"
- {return NVERTICES;}
- YY_BREAK
- case 4:
- # line 37 "bezier_l.l"
- {return NPATCHES;}
- YY_BREAK
- case 5:
- # line 38 "bezier_l.l"
- {return NCURVES;}
- YY_BREAK
- case 6:
- # line 39 "bezier_l.l"
- {return VERTEX_LIST;}
- YY_BREAK
- case 7:
- # line 40 "bezier_l.l"
- {return PATCH_LIST;}
- YY_BREAK
- case 8:
- # line 41 "bezier_l.l"
- {return CURVE_LIST;}
- YY_BREAK
- case 9:
- # line 43 "bezier_l.l"
- {tokenval.intval = atoi(yytext);
- return INTEGER;
- }
- YY_BREAK
- case 10:
- # line 46 "bezier_l.l"
- {tokenval.floatval = atof(yytext);
- return FLOAT;
- }
- YY_BREAK
- case 11:
- # line 50 "bezier_l.l"
- {}
- YY_BREAK
- case 12:
- # line 51 "bezier_l.l"
- { /* This is a comment */ }
- YY_BREAK
- case 13:
- # line 52 "bezier_l.l"
- { return yytext[0]; /* We found something wrong */ }
- YY_BREAK
- case 14:
- # line 54 "bezier_l.l"
- ECHO;
- YY_BREAK
- case YY_STATE_EOF(INITIAL):
- yyterminate();
-
- 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
- {
- 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 == 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;
- yy_state_ptr = yy_state_buf;
- *yy_state_ptr++ = yy_current_state;
-
- for ( yy_cp = yytext + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
- {
- register YY_CHAR yy_c = (*yy_cp ? yy_ec[*yy_cp] : 1);
- 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 >= 85 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- *yy_state_ptr++ = yy_current_state;
- }
-
- return ( yy_current_state );
- }
-
-
- /* yy_try_NUL_trans - try to make a transition on the NUL character
- *
- * synopsis
- * next_state = yy_try_NUL_trans( current_state );
- */
-
- #ifdef YY_USE_PROTOS
- static yy_state_type yy_try_NUL_trans( 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_c = 1;
- 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 >= 85 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- *yy_state_ptr++ = yy_current_state;
- yy_is_jam = (yy_current_state == 84);
-
- 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 54 "bezier_l.l"
-
-
- #ifndef FLEX_SCANNER
- int
- yywrap()
- {
- return 1;
- }
- #endif
-
-
-