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- // This file was modified for -*- C++ -*-
- // using $RCSfile: lextoC.flex,v $ $Revision: 1.5 $
-
- /* A lexical scanner generated by flex */
-
- /* Scanner skeleton version:
- * $Header: /home/daffy/u0/vern/flex/RCS/flex.skl,v 2.91 96/09/10 16:58:48 vern Exp $
- */
-
- #define FLEX_SCANNER
- #define YY_FLEX_MAJOR_VERSION 2
- #define YY_FLEX_MINOR_VERSION 5
-
- #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 <unistd.h>
-
- /* 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 <io.h>
- #include <stdlib.h>
- #define YY_USE_CONST
- #define YY_USE_PROTOS
- #endif
-
- #ifdef YY_USE_CONST
- #define vslconst const
- #else
- #define vslconst
- #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 vsl_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 ((vsl_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 vslrestart( vslin )
-
- #define YY_END_OF_BUFFER_CHAR 0
-
- /* Size of default input buffer. */
- #define YY_BUF_SIZE 16384
-
- typedef struct vsl_buffer_state *YY_BUFFER_STATE;
-
- // extern int vslleng;
- // extern FILE *vslin, *vslout;
-
- #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 )
- * vslless( 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 vslless() call.
- */
-
- /* Return all but the first 'n' matched characters back to the input stream. */
-
- #define vslless(n) \
- do \
- { \
- /* Undo effects of setting up vsltext. */ \
- *vsl_cp = vsl_hold_char; \
- YY_RESTORE_YY_MORE_OFFSET \
- vsl_c_buf_p = vsl_cp = vsl_bp + n - YY_MORE_ADJ; \
- YY_DO_BEFORE_ACTION; /* set up vsltext again */ \
- } \
- while ( 0 )
-
- #define unput(c) vslunput( c, vsltext_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 vsl_size_t;
-
-
- struct vsl_buffer_state
- {
- FILE *vsl_input_file;
-
- char *vsl_ch_buf; /* input buffer */
- char *vsl_buf_pos; /* current position in input buffer */
-
- /* Size of input buffer in bytes, not including room for EOB
- * characters.
- */
- vsl_size_t vsl_buf_size;
-
- /* Number of characters read into vsl_ch_buf, not including EOB
- * characters.
- */
- int vsl_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 vsl_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 vsl_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 vsl_at_bol;
-
- /* Whether to try to fill the input buffer when we reach the
- * end of it.
- */
- int vsl_fill_buffer;
-
- int vsl_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 vslrestart()), so that the user can continue scanning by
- * just pointing vslin at a new input file.
- */
- #define YY_BUFFER_EOF_PENDING 2
- };
-
- static YY_BUFFER_STATE vsl_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 vsl_current_buffer
-
-
- /* vsl_hold_char holds the character lost when vsltext is formed. */
- static char vsl_hold_char;
-
- static int vsl_n_chars; /* number of characters read into vsl_ch_buf */
-
-
- int vslleng;
-
- /* Points to current character in buffer. */
- static char *vsl_c_buf_p = (char *) 0;
- static int vsl_init = 1; /* whether we need to initialize */
- static int vsl_start = 0; /* start state number */
-
- /* Flag which is used to allow vslwrap()'s to do buffer switches
- * instead of setting up a fresh vslin. A bit of a hack ...
- */
- static int vsl_did_buffer_switch_on_eof;
-
- void vslrestart YY_PROTO(( FILE *input_file ));
-
- void vsl_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
- void vsl_load_buffer_state YY_PROTO(( void ));
- YY_BUFFER_STATE vsl_create_buffer YY_PROTO(( FILE *file, int size ));
- void vsl_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
- void vsl_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
- void vsl_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
- #define YY_FLUSH_BUFFER vsl_flush_buffer( vsl_current_buffer )
-
- YY_BUFFER_STATE vsl_scan_buffer YY_PROTO(( char *base, vsl_size_t size ));
- YY_BUFFER_STATE vsl_scan_string YY_PROTO(( vslconst char *vsl_str ));
- YY_BUFFER_STATE vsl_scan_bytes YY_PROTO(( vslconst char *bytes, int len ));
-
- static void *vsl_flex_alloc YY_PROTO(( vsl_size_t ));
- static void *vsl_flex_realloc YY_PROTO(( void *, vsl_size_t ));
- static void vsl_flex_free YY_PROTO(( void * ));
-
- #define vsl_new_buffer vsl_create_buffer
-
- #define vsl_set_interactive(is_interactive) \
- { \
- if ( ! vsl_current_buffer ) \
- vsl_current_buffer = vsl_create_buffer( vslin, YY_BUF_SIZE ); \
- vsl_current_buffer->vsl_is_interactive = is_interactive; \
- }
-
- #define vsl_set_bol(at_bol) \
- { \
- if ( ! vsl_current_buffer ) \
- vsl_current_buffer = vsl_create_buffer( vslin, YY_BUF_SIZE ); \
- vsl_current_buffer->vsl_at_bol = at_bol; \
- }
-
- #define YY_AT_BOL() (vsl_current_buffer->vsl_at_bol)
-
- typedef unsigned char YY_CHAR;
- FILE *vslin = (FILE *) 0, *vslout = (FILE *) 0;
- typedef int vsl_state_type;
- // extern char *vsltext;
- #define vsltext_ptr vsltext
-
- static vsl_state_type vsl_get_previous_state YY_PROTO(( void ));
- static vsl_state_type vsl_try_NUL_trans YY_PROTO(( vsl_state_type current_state ));
- static int vsl_get_next_buffer YY_PROTO(( void ));
- static void vsl_fatal_error YY_PROTO(( vslconst char msg[] ));
-
- /* Done after the current pattern has been matched and before the
- * corresponding action - sets up vsltext.
- */
- #define YY_DO_BEFORE_ACTION \
- vsltext_ptr = vsl_bp; \
- vslleng = (int) (vsl_cp - vsl_bp); \
- vsl_hold_char = *vsl_cp; \
- *vsl_cp = '\0'; \
- vsl_c_buf_p = vsl_cp;
-
- #define YY_NUM_RULES 44
- #define YY_END_OF_BUFFER 45
- static vslconst short int vsl_accept[149] =
- { 0,
- 41, 41, 45, 43, 41, 42, 43, 29, 43, 43,
- 43, 40, 28, 37, 33, 35, 25, 31, 25, 25,
- 25, 25, 25, 25, 25, 25, 25, 30, 32, 41,
- 43, 41, 0, 1, 0, 26, 0, 3, 2, 40,
- 27, 38, 34, 36, 25, 25, 25, 18, 14, 23,
- 25, 25, 19, 25, 25, 41, 0, 0, 4, 0,
- 0, 0, 0, 0, 0, 0, 1, 0, 39, 2,
- 20, 25, 22, 21, 25, 25, 4, 0, 0, 0,
- 0, 0, 0, 16, 25, 15, 25, 0, 0, 0,
- 0, 0, 0, 17, 24, 0, 0, 0, 0, 0,
-
- 0, 0, 7, 0, 0, 0, 9, 0, 7, 7,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 10,
- 0, 0, 0, 8, 0, 0, 0, 0, 5, 0,
- 6, 0, 0, 0, 5, 6, 0, 0, 0, 0,
- 0, 12, 0, 0, 0, 13, 11, 0
- } ;
-
- static vslconst int vsl_ec[256] =
- { 0,
- 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
- 1, 2, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 2, 4, 5, 6, 1, 1, 7, 1, 1,
- 1, 8, 1, 1, 9, 10, 11, 12, 12, 12,
- 12, 12, 12, 12, 12, 12, 12, 13, 1, 14,
- 15, 16, 1, 1, 17, 17, 17, 17, 17, 17,
- 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
- 17, 17, 17, 17, 17, 17, 17, 17, 17, 17,
- 1, 18, 1, 19, 17, 1, 20, 17, 21, 22,
-
- 23, 24, 25, 26, 27, 17, 17, 28, 29, 30,
- 31, 32, 17, 33, 34, 35, 36, 37, 38, 17,
- 17, 17, 1, 39, 1, 40, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 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 vslconst int vsl_meta[41] =
- { 0,
- 1, 1, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 3, 1, 1, 1, 1, 3, 1, 1, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 1, 1
- } ;
-
- static vslconst short int vsl_base[159] =
- { 0,
- 0, 39, 191, 192, 188, 192, 37, 192, 173, 178,
- 35, 175, 173, 32, 192, 170, 0, 192, 154, 155,
- 155, 20, 158, 149, 146, 152, 151, 192, 192, 47,
- 54, 174, 46, 192, 47, 192, 165, 192, 0, 162,
- 192, 192, 192, 192, 0, 151, 138, 0, 0, 0,
- 136, 135, 0, 146, 145, 55, 0, 163, 0, 136,
- 138, 127, 130, 139, 131, 49, 54, 55, 192, 0,
- 0, 39, 0, 0, 130, 126, 0, 137, 127, 133,
- 135, 122, 131, 0, 128, 0, 128, 122, 126, 115,
- 122, 118, 122, 0, 0, 108, 141, 109, 112, 120,
-
- 115, 116, 135, 109, 115, 113, 192, 110, 0, 130,
- 109, 61, 106, 66, 103, 67, 86, 97, 87, 192,
- 74, 109, 95, 192, 85, 73, 80, 96, 0, 83,
- 0, 63, 67, 70, 0, 0, 58, 69, 60, 56,
- 57, 192, 55, 52, 51, 192, 192, 192, 103, 67,
- 106, 109, 112, 115, 118, 121, 124, 127
- } ;
-
- static vslconst short int vsl_def[159] =
- { 0,
- 148, 1, 148, 148, 148, 148, 149, 148, 148, 148,
- 148, 148, 148, 148, 148, 148, 150, 148, 150, 150,
- 150, 150, 150, 150, 150, 150, 150, 148, 148, 148,
- 148, 148, 149, 148, 151, 148, 148, 148, 152, 148,
- 148, 148, 148, 148, 150, 150, 150, 150, 150, 150,
- 150, 150, 150, 150, 150, 148, 31, 31, 153, 148,
- 148, 148, 148, 148, 148, 149, 149, 151, 148, 152,
- 150, 150, 150, 150, 150, 150, 153, 148, 148, 148,
- 148, 148, 148, 150, 150, 150, 150, 148, 148, 148,
- 148, 148, 148, 150, 150, 148, 148, 148, 148, 148,
-
- 148, 148, 154, 148, 148, 148, 148, 148, 154, 154,
- 148, 148, 148, 148, 148, 148, 148, 148, 148, 148,
- 148, 155, 156, 148, 148, 148, 148, 155, 157, 156,
- 158, 148, 148, 148, 157, 158, 148, 148, 148, 148,
- 148, 148, 148, 148, 148, 148, 148, 0, 148, 148,
- 148, 148, 148, 148, 148, 148, 148, 148
- } ;
-
- static vslconst short int vsl_nxt[233] =
- { 0,
- 4, 5, 6, 4, 7, 4, 8, 4, 9, 10,
- 11, 12, 13, 14, 15, 16, 17, 4, 18, 19,
- 17, 17, 20, 21, 17, 17, 22, 23, 17, 24,
- 25, 17, 17, 17, 26, 17, 17, 27, 28, 29,
- 30, 34, 38, 49, 31, 39, 42, 43, 56, 50,
- 34, 67, 57, 34, 35, 58, 56, 59, 34, 67,
- 57, 84, 116, 35, 68, 85, 35, 121, 116, 45,
- 122, 35, 68, 147, 146, 121, 145, 144, 122, 123,
- 60, 61, 143, 142, 62, 63, 64, 123, 141, 65,
- 140, 117, 139, 118, 138, 137, 119, 117, 131, 118,
-
- 129, 134, 119, 33, 133, 33, 66, 132, 66, 70,
- 131, 70, 77, 129, 77, 109, 127, 109, 128, 126,
- 128, 130, 125, 130, 135, 124, 135, 136, 120, 136,
- 115, 110, 114, 113, 112, 111, 110, 108, 107, 106,
- 105, 104, 103, 102, 101, 100, 99, 98, 97, 96,
- 95, 94, 93, 92, 91, 90, 89, 88, 87, 86,
- 83, 82, 81, 80, 79, 78, 148, 76, 75, 74,
- 73, 72, 71, 40, 69, 32, 55, 54, 53, 52,
- 51, 48, 47, 46, 44, 41, 40, 37, 36, 32,
- 148, 3, 148, 148, 148, 148, 148, 148, 148, 148,
-
- 148, 148, 148, 148, 148, 148, 148, 148, 148, 148,
- 148, 148, 148, 148, 148, 148, 148, 148, 148, 148,
- 148, 148, 148, 148, 148, 148, 148, 148, 148, 148,
- 148, 148
- } ;
-
- static vslconst short int vsl_chk[233] =
- { 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,
- 2, 7, 11, 22, 2, 11, 14, 14, 30, 22,
- 33, 35, 30, 66, 7, 31, 56, 31, 67, 68,
- 56, 72, 112, 33, 35, 72, 66, 114, 116, 150,
- 114, 67, 68, 145, 144, 121, 143, 141, 121, 114,
- 31, 31, 140, 139, 31, 31, 31, 121, 138, 31,
- 137, 112, 134, 112, 133, 132, 112, 116, 130, 116,
-
- 128, 127, 116, 149, 126, 149, 151, 125, 151, 152,
- 123, 152, 153, 122, 153, 154, 119, 154, 155, 118,
- 155, 156, 117, 156, 157, 115, 157, 158, 113, 158,
- 111, 110, 108, 106, 105, 104, 103, 102, 101, 100,
- 99, 98, 97, 96, 93, 92, 91, 90, 89, 88,
- 87, 85, 83, 82, 81, 80, 79, 78, 76, 75,
- 65, 64, 63, 62, 61, 60, 58, 55, 54, 52,
- 51, 47, 46, 40, 37, 32, 27, 26, 25, 24,
- 23, 21, 20, 19, 16, 13, 12, 10, 9, 5,
- 3, 148, 148, 148, 148, 148, 148, 148, 148, 148,
-
- 148, 148, 148, 148, 148, 148, 148, 148, 148, 148,
- 148, 148, 148, 148, 148, 148, 148, 148, 148, 148,
- 148, 148, 148, 148, 148, 148, 148, 148, 148, 148,
- 148, 148
- } ;
-
- static vsl_state_type vsl_last_accepting_state;
- static char *vsl_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 vslmore() vslmore_used_but_not_detected
- #define YY_MORE_ADJ 0
- #define YY_RESTORE_YY_MORE_OFFSET
- char *vsltext;
- #line 1 "./vsl-lex.L"
- #define INITIAL 0
- /* $Id: vsl-lex.L,v 1.21 1998/11/23 17:43:48 zeller Exp $ -*- C++ -*- */
- /* VSL lexical analysis */
- #line 5 "./vsl-lex.L"
- // Copyright (C) 1995 Technische Universitaet Braunschweig, Germany.
- // Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
- //
- // This file is part of DDD.
- //
- // DDD 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.
- //
- // DDD 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 DDD -- see the file COPYING.
- // If not, write to the Free Software Foundation, Inc.,
- // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- //
- // DDD is the data display debugger.
- // For details, see the DDD World-Wide-Web page,
- // `http://www.cs.tu-bs.de/softech/ddd/',
- // or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
-
- char VSL_lex_rcsid[] =
- "$Id: vsl-lex.L,v 1.21 1998/11/23 17:43:48 zeller Exp $";
-
- // Define BAD_ISTREAM != 0, if istream::open() aborts upon
- // non-existing file
- #define BAD_ISTREAM 1
-
- #include <stdio.h>
- #include <errno.h>
- #include "strclass.h"
-
- static const int max_include_nesting = 40; // max include nesting
-
- static istream *streamstack[max_include_nesting]; // File descriptors
- static string namestack[max_include_nesting]; // File names
- static int linestack[max_include_nesting]; // File lines
- static int topstack = 0; // Next free position
-
- #ifdef FLEX_SCANNER
- static YY_BUFFER_STATE bufstack[max_include_nesting]; // Buffer states
- #endif
-
- static istream *vslstream = &cin;
-
- static int vsllinenumber;
-
- static int switchdown();
- static int switchup(char *filename, bool thisdir);
-
- static char pushback[BUFSIZ];
- static char *pushback_ptr = pushback;
-
- inline int do_unput(char c)
- {
- if (c != '\0')
- *pushback_ptr++ = c;
-
- return c;
- }
-
- static int do_input()
- {
- if (pushback_ptr != pushback)
- return *--pushback_ptr;
-
- char c;
-
- vslstream->get(c);
- if (vslstream->eof())
- return 0;
-
- if (c == '\n')
- vsllinenumber++;
- return c;
- }
-
- // The way SUN lex wants input
- #ifdef input
- #undef input
- #define input do_input
- #endif
-
- #ifdef unput
- #undef unput
- #define unput do_unput
- #endif
-
- // The way FLEX wants input
- #ifdef FLEX_SCANNER
- #undef YY_INPUT
- #define YY_INPUT(buf, result, max_size) \
- {\
- int c = do_input(); \
- result = (c == '\0') ? YY_NULL : (buf[0] = c, 1); \
- }
- #endif
-
- #undef vslwrap
- #define YY_SKIP_YYWRAP
- extern "C" int vslwrap()
- {
- if (switchdown())
- return 1;
- return vslstream->eof();
- }
-
-
- // Anything not in the list is a single character
- #ifdef ECHO
- #undef ECHO
- #endif
- #define ECHO return vsltext[0]
-
-
- #ifdef FLEX_SCANNER
- // #defining YY_BREAK to empty disables warnings about unreachable breaks.
- #define YY_BREAK DO_NOT_BREAK
- #define DO_NOT_BREAK
- #define BREAK break;
- #endif // FLEX_SCANNER
-
- /* C-Bezeichner */
- /* C-Strings */
- /* C-Integers */
- /* #include-Strings */
- /* Whitespace */
- #line 597 "lex.vsl.c"
-
- /* Macros after this point can all be overridden by user definitions in
- * section 1.
- */
-
- #ifndef YY_SKIP_YYWRAP
- #ifdef __cplusplus
- extern "C" int vslwrap YY_PROTO(( void ));
- #else
- extern int vslwrap YY_PROTO(( void ));
- #endif
- #endif
-
- #ifndef YY_NO_UNPUT
- static void vslunput YY_PROTO(( int c, char *buf_ptr ));
- #endif
-
- #ifndef vsltext_ptr
- static void vsl_flex_strncpy YY_PROTO(( char *, vslconst char *, int ));
- #endif
-
- #ifdef YY_NEED_STRLEN
- static int vsl_flex_strlen YY_PROTO(( vslconst char * ));
- #endif
-
- #ifndef YY_NO_INPUT
- #ifdef __cplusplus
- static int vslinput YY_PROTO(( void ));
- #else
- static int input YY_PROTO(( void ));
- #endif
- #endif
-
- #if YY_STACK_USED
- static int vsl_start_stack_ptr = 0;
- static int vsl_start_stack_depth = 0;
- static int *vsl_start_stack = 0;
- #ifndef YY_NO_PUSH_STATE
- static void vsl_push_state YY_PROTO(( int new_state ));
- #endif
- #ifndef YY_NO_POP_STATE
- static void vsl_pop_state YY_PROTO(( void ));
- #endif
- #ifndef YY_NO_TOP_STATE
- static int vsl_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 <stdlib.h>
- #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( vsltext, vslleng, 1, vslout )
- #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 ( vsl_current_buffer->vsl_is_interactive ) \
- { \
- int c = '*', n; \
- for ( n = 0; n < max_size && \
- (c = getc( vslin )) != EOF && c != '\n'; ++n ) \
- buf[n] = (char) c; \
- if ( c == '\n' ) \
- buf[n++] = (char) c; \
- if ( c == EOF && ferror( vslin ) ) \
- YY_FATAL_ERROR( "input in flex scanner failed" ); \
- result = n; \
- } \
- else if ( ((result = fread( buf, 1, max_size, vslin )) == 0) \
- && ferror( vslin ) ) \
- YY_FATAL_ERROR( "input in flex scanner failed" );
- #endif
-
- /* No semi-colon after return; correct usage is to write "vslterminate();" -
- * we don't want an extra ';' after the "return" because that will cause
- * some compilers to complain about unreachable statements.
- */
- #ifndef vslterminate
- #define vslterminate() 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) vsl_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 vsllex YY_PROTO(( void ))
- #endif
-
- /* Code executed at the beginning of each rule, after vsltext and vslleng
- * 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 \
- if ( vslleng > 0 ) \
- vsl_current_buffer->vsl_at_bol = \
- (vsltext[vslleng - 1] == '\n'); \
- YY_USER_ACTION
-
- YY_DECL
- {
- register vsl_state_type vsl_current_state;
- register char *vsl_cp, *vsl_bp;
- register int vsl_act;
-
- #line 149 "./vsl-lex.L"
-
-
- #line 754 "lex.vsl.c"
-
- if ( vsl_init )
- {
- vsl_init = 0;
-
- #ifdef YY_USER_INIT
- YY_USER_INIT;
- #endif
-
- if ( ! vsl_start )
- vsl_start = 1; /* first start state */
-
- if ( ! vslin )
- vslin = stdin;
-
- if ( ! vslout )
- vslout = stdout;
-
- if ( ! vsl_current_buffer )
- vsl_current_buffer =
- vsl_create_buffer( vslin, YY_BUF_SIZE );
-
- vsl_load_buffer_state();
- }
-
- while ( 1 ) /* loops until end-of-file is reached */
- {
- vsl_cp = vsl_c_buf_p;
-
- /* Support of vsltext. */
- *vsl_cp = vsl_hold_char;
-
- /* vsl_bp points to the position in vsl_ch_buf of the start of
- * the current run.
- */
- vsl_bp = vsl_cp;
-
- vsl_current_state = vsl_start;
- vsl_current_state += YY_AT_BOL();
- vsl_match:
- do
- {
- register YY_CHAR vsl_c = vsl_ec[YY_SC_TO_UI(*vsl_cp)];
- if ( vsl_accept[vsl_current_state] )
- {
- vsl_last_accepting_state = vsl_current_state;
- vsl_last_accepting_cpos = vsl_cp;
- }
- while ( vsl_chk[vsl_base[vsl_current_state] + vsl_c] != vsl_current_state )
- {
- vsl_current_state = (int) vsl_def[vsl_current_state];
- if ( vsl_current_state >= 149 )
- vsl_c = vsl_meta[(unsigned int) vsl_c];
- }
- vsl_current_state = vsl_nxt[vsl_base[vsl_current_state] + (unsigned int) vsl_c];
- ++vsl_cp;
- }
- while ( vsl_base[vsl_current_state] != 192 );
-
- vsl_find_action:
- vsl_act = vsl_accept[vsl_current_state];
- if ( vsl_act == 0 )
- { /* have to back up */
- vsl_cp = vsl_last_accepting_cpos;
- vsl_current_state = vsl_last_accepting_state;
- vsl_act = vsl_accept[vsl_current_state];
- }
-
- YY_DO_BEFORE_ACTION;
-
-
- do_action: /* This label is used only to access EOF actions. */
-
-
- switch ( vsl_act )
- { /* beginning of action switch */
- case 0: /* must back up */
- /* undo the effects of YY_DO_BEFORE_ACTION */
- *vsl_cp = vsl_hold_char;
- vsl_cp = vsl_last_accepting_cpos;
- vsl_current_state = vsl_last_accepting_state;
- goto vsl_find_action;
-
- case 1:
- YY_RULE_SETUP
- #line 151 "./vsl-lex.L"
- return STRING; // string
- YY_BREAK
- case 2:
- YY_RULE_SETUP
- #line 153 "./vsl-lex.L"
- BREAK // C++ comment
- YY_BREAK
- case 3:
- YY_RULE_SETUP
- #line 154 "./vsl-lex.L"
- { // C comment
- // aus `man lex`
- loop:
- while (vslinput() != '*');
- switch (vslinput())
- {
- case '/': break;
- case '*': unput('*');
- default : goto loop;
- }
- BREAK
- }
- YY_BREAK
- case 4:
- YY_RULE_SETUP
- #line 166 "./vsl-lex.L"
- BREAK // Unix exec() tag
- YY_BREAK
- case 5:
- YY_RULE_SETUP
- #line 168 "./vsl-lex.L"
- { // #include "..."
- char buf[BUFSIZ];
- strcpy(buf, (char *)vsltext);
- char *start = buf;
- while (*start != '\"')
- start++;
- char *end = ++start;
- while (*end != '\"')
- end++;
- *end = '\0';
- switchup(start, true);
- BREAK
- }
- YY_BREAK
- case 6:
- YY_RULE_SETUP
- #line 181 "./vsl-lex.L"
- { // #include <...>
- char buf[BUFSIZ];
- strcpy(buf, (char *)vsltext);
- char *start = buf;
- while (*start != '<')
- start++;
- char *end = ++start;
- while (*end != '>')
- end++;
- *end = '\0';
- switchup(start, false);
- BREAK
- }
- YY_BREAK
- case 7:
- YY_RULE_SETUP
- #line 194 "./vsl-lex.L"
- { // #line LINE ["FILE"]
- string buf((char *)vsltext);
- buf = buf.after("line");
- char *s = (char *)buf.chars();
- int line = strtol(s, &s, 10);
- if (s == buf.chars())
- VSLLib::parse_error("illegal #line number");
- else
- vsllinenumber = line;
-
- buf = buf.after('"');
- if (buf != "")
- {
- buf = buf.before('"');
- if (buf == "")
- VSLLib::parse_error("illegal #line file");
- else
- vslfilename = uncook(buf);
- }
- BREAK
- }
- YY_BREAK
- case 8:
- YY_RULE_SETUP
- #line 216 "./vsl-lex.L"
- return OVERRIDE; // Other manipulators
- YY_BREAK
- case 9:
- YY_RULE_SETUP
- #line 217 "./vsl-lex.L"
- return OVERRIDE;
- YY_BREAK
- case 10:
- YY_RULE_SETUP
- #line 218 "./vsl-lex.L"
- return REPLACE;
- YY_BREAK
- case 11:
- YY_RULE_SETUP
- #line 219 "./vsl-lex.L"
- return OVERRIDE; // Other manipulators
- YY_BREAK
- case 12:
- YY_RULE_SETUP
- #line 220 "./vsl-lex.L"
- return OVERRIDE;
- YY_BREAK
- case 13:
- YY_RULE_SETUP
- #line 221 "./vsl-lex.L"
- return REPLACE;
- YY_BREAK
- case 14:
- YY_RULE_SETUP
- #line 223 "./vsl-lex.L"
- return IF; // Tokens
- YY_BREAK
- case 15:
- YY_RULE_SETUP
- #line 224 "./vsl-lex.L"
- return THEN;
- YY_BREAK
- case 16:
- YY_RULE_SETUP
- #line 225 "./vsl-lex.L"
- return ELSE;
- YY_BREAK
- case 17:
- YY_RULE_SETUP
- #line 226 "./vsl-lex.L"
- return ELSIF;
- YY_BREAK
- case 18:
- YY_RULE_SETUP
- #line 227 "./vsl-lex.L"
- return FI;
- YY_BREAK
- case 19:
- YY_RULE_SETUP
- #line 228 "./vsl-lex.L"
- return OR;
- YY_BREAK
- case 20:
- YY_RULE_SETUP
- #line 229 "./vsl-lex.L"
- return AND;
- YY_BREAK
- case 21:
- YY_RULE_SETUP
- #line 230 "./vsl-lex.L"
- return NOT;
- YY_BREAK
- case 22:
- YY_RULE_SETUP
- #line 231 "./vsl-lex.L"
- return LET;
- YY_BREAK
- case 23:
- YY_RULE_SETUP
- #line 232 "./vsl-lex.L"
- return IN;
- YY_BREAK
- case 24:
- YY_RULE_SETUP
- #line 233 "./vsl-lex.L"
- return WHERE;
- YY_BREAK
- case 25:
- YY_RULE_SETUP
- #line 234 "./vsl-lex.L"
- return IDENTIFIER;
- YY_BREAK
- case 26:
- YY_RULE_SETUP
- #line 236 "./vsl-lex.L"
- return ARROW;
- YY_BREAK
- case 27:
- YY_RULE_SETUP
- #line 237 "./vsl-lex.L"
- return CONS;
- YY_BREAK
- case 28:
- YY_RULE_SETUP
- #line 238 "./vsl-lex.L"
- return APPEND;
- YY_BREAK
- case 29:
- YY_RULE_SETUP
- #line 239 "./vsl-lex.L"
- return HALIGN;
- YY_BREAK
- case 30:
- YY_RULE_SETUP
- #line 240 "./vsl-lex.L"
- return VALIGN;
- YY_BREAK
- case 31:
- YY_RULE_SETUP
- #line 241 "./vsl-lex.L"
- return UALIGN;
- YY_BREAK
- case 32:
- YY_RULE_SETUP
- #line 242 "./vsl-lex.L"
- return TALIGN;
- YY_BREAK
- case 33:
- YY_RULE_SETUP
- #line 243 "./vsl-lex.L"
- return EQ;
- YY_BREAK
- case 34:
- YY_RULE_SETUP
- #line 244 "./vsl-lex.L"
- return NE;
- YY_BREAK
- case 35:
- YY_RULE_SETUP
- #line 245 "./vsl-lex.L"
- return GT;
- YY_BREAK
- case 36:
- YY_RULE_SETUP
- #line 246 "./vsl-lex.L"
- return GE;
- YY_BREAK
- case 37:
- YY_RULE_SETUP
- #line 247 "./vsl-lex.L"
- return LT;
- YY_BREAK
- case 38:
- YY_RULE_SETUP
- #line 248 "./vsl-lex.L"
- return LE;
- YY_BREAK
- case 39:
- YY_RULE_SETUP
- #line 250 "./vsl-lex.L"
- return THREEDOTS;
- YY_BREAK
- case 40:
- YY_RULE_SETUP
- #line 252 "./vsl-lex.L"
- return INTEGER;
- YY_BREAK
- case 41:
- YY_RULE_SETUP
- #line 254 "./vsl-lex.L"
- BREAK // Whitespace (ignore)
- YY_BREAK
- case 42:
- YY_RULE_SETUP
- #line 255 "./vsl-lex.L"
- BREAK // Likewise
- YY_BREAK
- case 43:
- YY_RULE_SETUP
- #line 256 "./vsl-lex.L"
- return vsltext[0]; // All other characters
- YY_BREAK
- case 44:
- YY_RULE_SETUP
- #line 257 "./vsl-lex.L"
- ECHO;
- YY_BREAK
- #line 1113 "lex.vsl.c"
- case YY_STATE_EOF(INITIAL):
- vslterminate();
-
- case YY_END_OF_BUFFER:
- {
- /* Amount of text matched not including the EOB char. */
- int vsl_amount_of_matched_text = (int) (vsl_cp - vsltext_ptr) - 1;
-
- /* Undo the effects of YY_DO_BEFORE_ACTION. */
- *vsl_cp = vsl_hold_char;
- YY_RESTORE_YY_MORE_OFFSET
-
- if ( vsl_current_buffer->vsl_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 vslin at a new source and called
- * vsllex(). If so, then we have to assure
- * consistency between vsl_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.
- */
- vsl_n_chars = vsl_current_buffer->vsl_n_chars;
- vsl_current_buffer->vsl_input_file = vslin;
- vsl_current_buffer->vsl_buffer_status = YY_BUFFER_NORMAL;
- }
-
- /* Note that here we test for vsl_c_buf_p "<=" to the position
- * of the first EOB in the buffer, since vsl_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 ( vsl_c_buf_p <= &vsl_current_buffer->vsl_ch_buf[vsl_n_chars] )
- { /* This was really a NUL. */
- vsl_state_type vsl_next_state;
-
- vsl_c_buf_p = vsltext_ptr + vsl_amount_of_matched_text;
-
- vsl_current_state = vsl_get_previous_state();
-
- /* Okay, we're now positioned to make the NUL
- * transition. We couldn't have
- * vsl_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).
- */
-
- vsl_next_state = vsl_try_NUL_trans( vsl_current_state );
-
- vsl_bp = vsltext_ptr + YY_MORE_ADJ;
-
- if ( vsl_next_state )
- {
- /* Consume the NUL. */
- vsl_cp = ++vsl_c_buf_p;
- vsl_current_state = vsl_next_state;
- goto vsl_match;
- }
-
- else
- {
- vsl_cp = vsl_c_buf_p;
- goto vsl_find_action;
- }
- }
-
- else switch ( vsl_get_next_buffer() )
- {
- case EOB_ACT_END_OF_FILE:
- {
- vsl_did_buffer_switch_on_eof = 0;
-
- if ( vslwrap() )
- {
- /* Note: because we've taken care in
- * vsl_get_next_buffer() to have set up
- * vsltext, we can now set up
- * vsl_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.
- */
- vsl_c_buf_p = vsltext_ptr + YY_MORE_ADJ;
-
- vsl_act = YY_STATE_EOF(YY_START);
- goto do_action;
- }
-
- else
- {
- if ( ! vsl_did_buffer_switch_on_eof )
- YY_NEW_FILE;
- }
- break;
- }
-
- case EOB_ACT_CONTINUE_SCAN:
- vsl_c_buf_p =
- vsltext_ptr + vsl_amount_of_matched_text;
-
- vsl_current_state = vsl_get_previous_state();
-
- vsl_cp = vsl_c_buf_p;
- vsl_bp = vsltext_ptr + YY_MORE_ADJ;
- goto vsl_match;
-
- case EOB_ACT_LAST_MATCH:
- vsl_c_buf_p =
- &vsl_current_buffer->vsl_ch_buf[vsl_n_chars];
-
- vsl_current_state = vsl_get_previous_state();
-
- vsl_cp = vsl_c_buf_p;
- vsl_bp = vsltext_ptr + YY_MORE_ADJ;
- goto vsl_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 vsllex */
-
-
- /* vsl_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 vsl_get_next_buffer()
- {
- register char *dest = vsl_current_buffer->vsl_ch_buf;
- register char *source = vsltext_ptr;
- register int number_to_move, i;
- int ret_val;
-
- if ( vsl_c_buf_p > &vsl_current_buffer->vsl_ch_buf[vsl_n_chars + 1] )
- YY_FATAL_ERROR(
- "fatal flex scanner internal error--end of buffer missed" );
-
- if ( vsl_current_buffer->vsl_fill_buffer == 0 )
- { /* Don't try to fill the buffer, so this is an EOF. */
- if ( vsl_c_buf_p - vsltext_ptr - YY_MORE_ADJ == 1 )
- {
- /* We matched a single character, the EOB, so
- * treat this as a final EOF.
- */
- return EOB_ACT_END_OF_FILE;
- }
-
- else
- {
- /* We matched some text prior to the EOB, first
- * process it.
- */
- return EOB_ACT_LAST_MATCH;
- }
- }
-
- /* Try to read more data. */
-
- /* First move last chars to start of buffer. */
- number_to_move = (int) (vsl_c_buf_p - vsltext_ptr) - 1;
-
- for ( i = 0; i < number_to_move; ++i )
- *(dest++) = *(source++);
-
- if ( vsl_current_buffer->vsl_buffer_status == YY_BUFFER_EOF_PENDING )
- /* don't do the read, it's not guaranteed to return an EOF,
- * just force an EOF
- */
- vsl_current_buffer->vsl_n_chars = vsl_n_chars = 0;
-
- else
- {
- int num_to_read =
- vsl_current_buffer->vsl_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 = vsl_current_buffer;
-
- int vsl_c_buf_p_offset =
- (int) (vsl_c_buf_p - b->vsl_ch_buf);
-
- if ( b->vsl_is_our_buffer )
- {
- int new_size = b->vsl_buf_size * 2;
-
- if ( new_size <= 0 )
- b->vsl_buf_size += b->vsl_buf_size / 8;
- else
- b->vsl_buf_size *= 2;
-
- b->vsl_ch_buf = (char *)
- /* Include room in for 2 EOB chars. */
- vsl_flex_realloc( (void *) b->vsl_ch_buf,
- b->vsl_buf_size + 2 );
- }
- else
- /* Can't grow it, we don't own it. */
- b->vsl_ch_buf = 0;
-
- if ( ! b->vsl_ch_buf )
- YY_FATAL_ERROR(
- "fatal error - scanner input buffer overflow" );
-
- vsl_c_buf_p = &b->vsl_ch_buf[vsl_c_buf_p_offset];
-
- num_to_read = vsl_current_buffer->vsl_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( (&vsl_current_buffer->vsl_ch_buf[number_to_move]),
- vsl_n_chars, num_to_read );
-
- vsl_current_buffer->vsl_n_chars = vsl_n_chars;
- }
-
- if ( vsl_n_chars == 0 )
- {
- if ( number_to_move == YY_MORE_ADJ )
- {
- ret_val = EOB_ACT_END_OF_FILE;
- vslrestart( vslin );
- }
-
- else
- {
- ret_val = EOB_ACT_LAST_MATCH;
- vsl_current_buffer->vsl_buffer_status =
- YY_BUFFER_EOF_PENDING;
- }
- }
-
- else
- ret_val = EOB_ACT_CONTINUE_SCAN;
-
- vsl_n_chars += number_to_move;
- vsl_current_buffer->vsl_ch_buf[vsl_n_chars] = YY_END_OF_BUFFER_CHAR;
- vsl_current_buffer->vsl_ch_buf[vsl_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
-
- vsltext_ptr = &vsl_current_buffer->vsl_ch_buf[0];
-
- return ret_val;
- }
-
-
- /* vsl_get_previous_state - get the state just before the EOB char was reached */
-
- static vsl_state_type vsl_get_previous_state()
- {
- register vsl_state_type vsl_current_state;
- register char *vsl_cp;
-
- vsl_current_state = vsl_start;
- vsl_current_state += YY_AT_BOL();
-
- for ( vsl_cp = vsltext_ptr + YY_MORE_ADJ; vsl_cp < vsl_c_buf_p; ++vsl_cp )
- {
- register YY_CHAR vsl_c = (*vsl_cp ? vsl_ec[YY_SC_TO_UI(*vsl_cp)] : 1);
- if ( vsl_accept[vsl_current_state] )
- {
- vsl_last_accepting_state = vsl_current_state;
- vsl_last_accepting_cpos = vsl_cp;
- }
- while ( vsl_chk[vsl_base[vsl_current_state] + vsl_c] != vsl_current_state )
- {
- vsl_current_state = (int) vsl_def[vsl_current_state];
- if ( vsl_current_state >= 149 )
- vsl_c = vsl_meta[(unsigned int) vsl_c];
- }
- vsl_current_state = vsl_nxt[vsl_base[vsl_current_state] + (unsigned int) vsl_c];
- }
-
- return vsl_current_state;
- }
-
-
- /* vsl_try_NUL_trans - try to make a transition on the NUL character
- *
- * synopsis
- * next_state = vsl_try_NUL_trans( current_state );
- */
-
- #ifdef YY_USE_PROTOS
- static vsl_state_type vsl_try_NUL_trans( vsl_state_type vsl_current_state )
- #else
- static vsl_state_type vsl_try_NUL_trans( vsl_current_state )
- vsl_state_type vsl_current_state;
- #endif
- {
- register int vsl_is_jam;
- register char *vsl_cp = vsl_c_buf_p;
-
- register YY_CHAR vsl_c = 1;
- if ( vsl_accept[vsl_current_state] )
- {
- vsl_last_accepting_state = vsl_current_state;
- vsl_last_accepting_cpos = vsl_cp;
- }
- while ( vsl_chk[vsl_base[vsl_current_state] + vsl_c] != vsl_current_state )
- {
- vsl_current_state = (int) vsl_def[vsl_current_state];
- if ( vsl_current_state >= 149 )
- vsl_c = vsl_meta[(unsigned int) vsl_c];
- }
- vsl_current_state = vsl_nxt[vsl_base[vsl_current_state] + (unsigned int) vsl_c];
- vsl_is_jam = (vsl_current_state == 148);
-
- return vsl_is_jam ? 0 : vsl_current_state;
- }
-
-
- #ifndef YY_NO_UNPUT
- #ifdef YY_USE_PROTOS
- static void vslunput( int c, register char *vsl_bp )
- #else
- static void vslunput( c, vsl_bp )
- int c;
- register char *vsl_bp;
- #endif
- {
- register char *vsl_cp = vsl_c_buf_p;
-
- /* undo effects of setting up vsltext */
- *vsl_cp = vsl_hold_char;
-
- if ( vsl_cp < vsl_current_buffer->vsl_ch_buf + 2 )
- { /* need to shift things up to make room */
- /* +2 for EOB chars. */
- register int number_to_move = vsl_n_chars + 2;
- register char *dest = &vsl_current_buffer->vsl_ch_buf[
- vsl_current_buffer->vsl_buf_size + 2];
- register char *source =
- &vsl_current_buffer->vsl_ch_buf[number_to_move];
-
- while ( source > vsl_current_buffer->vsl_ch_buf )
- *--dest = *--source;
-
- vsl_cp += (int) (dest - source);
- vsl_bp += (int) (dest - source);
- vsl_current_buffer->vsl_n_chars =
- vsl_n_chars = vsl_current_buffer->vsl_buf_size;
-
- if ( vsl_cp < vsl_current_buffer->vsl_ch_buf + 2 )
- YY_FATAL_ERROR( "flex scanner push-back overflow" );
- }
-
- *--vsl_cp = (char) c;
-
-
- vsltext_ptr = vsl_bp;
- vsl_hold_char = *vsl_cp;
- vsl_c_buf_p = vsl_cp;
- }
- #endif /* ifndef YY_NO_UNPUT */
-
-
- #ifdef __cplusplus
- static int vslinput()
- #else
- static int input()
- #endif
- {
- int c;
-
- *vsl_c_buf_p = vsl_hold_char;
-
- if ( *vsl_c_buf_p == YY_END_OF_BUFFER_CHAR )
- {
- /* vsl_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 ( vsl_c_buf_p < &vsl_current_buffer->vsl_ch_buf[vsl_n_chars] )
- /* This was really a NUL. */
- *vsl_c_buf_p = '\0';
-
- else
- { /* need more input */
- int offset = vsl_c_buf_p - vsltext_ptr;
- ++vsl_c_buf_p;
-
- switch ( vsl_get_next_buffer() )
- {
- case EOB_ACT_LAST_MATCH:
- /* This happens because vsl_g_n_b()
- * sees that we've accumulated a
- * token and flags that we need to
- * try matching the token before
- * proceeding. But for input(),
- * there's no matching to consider.
- * So convert the EOB_ACT_LAST_MATCH
- * to EOB_ACT_END_OF_FILE.
- */
-
- /* Reset buffer status. */
- vslrestart( vslin );
-
- /* fall through */
-
- case EOB_ACT_END_OF_FILE:
- {
- if ( vslwrap() )
- return EOF;
-
- if ( ! vsl_did_buffer_switch_on_eof )
- YY_NEW_FILE;
- #ifdef __cplusplus
- return vslinput();
- #else
- return input();
- #endif
- }
-
- case EOB_ACT_CONTINUE_SCAN:
- vsl_c_buf_p = vsltext_ptr + offset;
- break;
- }
- }
- }
-
- c = *(unsigned char *) vsl_c_buf_p; /* cast for 8-bit char's */
- *vsl_c_buf_p = '\0'; /* preserve vsltext */
- vsl_hold_char = *++vsl_c_buf_p;
-
- vsl_current_buffer->vsl_at_bol = (c == '\n');
-
- return c;
- }
-
-
- #ifdef YY_USE_PROTOS
- void vslrestart( FILE *input_file )
- #else
- void vslrestart( input_file )
- FILE *input_file;
- #endif
- {
- if ( ! vsl_current_buffer )
- vsl_current_buffer = vsl_create_buffer( vslin, YY_BUF_SIZE );
-
- vsl_init_buffer( vsl_current_buffer, input_file );
- vsl_load_buffer_state();
- }
-
-
- #ifdef YY_USE_PROTOS
- void vsl_switch_to_buffer( YY_BUFFER_STATE new_buffer )
- #else
- void vsl_switch_to_buffer( new_buffer )
- YY_BUFFER_STATE new_buffer;
- #endif
- {
- if ( vsl_current_buffer == new_buffer )
- return;
-
- if ( vsl_current_buffer )
- {
- /* Flush out information for old buffer. */
- *vsl_c_buf_p = vsl_hold_char;
- vsl_current_buffer->vsl_buf_pos = vsl_c_buf_p;
- vsl_current_buffer->vsl_n_chars = vsl_n_chars;
- }
-
- vsl_current_buffer = new_buffer;
- vsl_load_buffer_state();
-
- /* We don't actually know whether we did this switch during
- * EOF (vslwrap()) processing, but the only time this flag
- * is looked at is after vslwrap() is called, so it's safe
- * to go ahead and always set it.
- */
- vsl_did_buffer_switch_on_eof = 1;
- }
-
-
- #ifdef YY_USE_PROTOS
- void vsl_load_buffer_state( void )
- #else
- void vsl_load_buffer_state()
- #endif
- {
- vsl_n_chars = vsl_current_buffer->vsl_n_chars;
- vsltext_ptr = vsl_c_buf_p = vsl_current_buffer->vsl_buf_pos;
- vslin = vsl_current_buffer->vsl_input_file;
- vsl_hold_char = *vsl_c_buf_p;
- }
-
-
- #ifdef YY_USE_PROTOS
- YY_BUFFER_STATE vsl_create_buffer( FILE *file, int size )
- #else
- YY_BUFFER_STATE vsl_create_buffer( file, size )
- FILE *file;
- int size;
- #endif
- {
- YY_BUFFER_STATE b;
-
- b = (YY_BUFFER_STATE) vsl_flex_alloc( sizeof( struct vsl_buffer_state ) );
- if ( ! b )
- YY_FATAL_ERROR( "out of dynamic memory in vsl_create_buffer()" );
-
- b->vsl_buf_size = size;
-
- /* vsl_ch_buf has to be 2 characters longer than the size given because
- * we need to put in 2 end-of-buffer characters.
- */
- b->vsl_ch_buf = (char *) vsl_flex_alloc( b->vsl_buf_size + 2 );
- if ( ! b->vsl_ch_buf )
- YY_FATAL_ERROR( "out of dynamic memory in vsl_create_buffer()" );
-
- b->vsl_is_our_buffer = 1;
-
- vsl_init_buffer( b, file );
-
- return b;
- }
-
-
- #ifdef YY_USE_PROTOS
- void vsl_delete_buffer( YY_BUFFER_STATE b )
- #else
- void vsl_delete_buffer( b )
- YY_BUFFER_STATE b;
- #endif
- {
- if ( ! b )
- return;
-
- if ( b == vsl_current_buffer )
- vsl_current_buffer = (YY_BUFFER_STATE) 0;
-
- if ( b->vsl_is_our_buffer )
- vsl_flex_free( (void *) b->vsl_ch_buf );
-
- vsl_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 vsl_init_buffer( YY_BUFFER_STATE b, FILE *file )
- #else
- void vsl_init_buffer( b, file )
- YY_BUFFER_STATE b;
- FILE *file;
- #endif
-
-
- {
- vsl_flush_buffer( b );
-
- b->vsl_input_file = file;
- b->vsl_fill_buffer = 1;
-
- #if YY_ALWAYS_INTERACTIVE
- b->vsl_is_interactive = 1;
- #else
- #if YY_NEVER_INTERACTIVE
- b->vsl_is_interactive = 0;
- #else
- b->vsl_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
- #endif
- #endif
- }
-
-
- #ifdef YY_USE_PROTOS
- void vsl_flush_buffer( YY_BUFFER_STATE b )
- #else
- void vsl_flush_buffer( b )
- YY_BUFFER_STATE b;
- #endif
-
- {
- if ( ! b )
- return;
-
- b->vsl_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->vsl_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
- b->vsl_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
-
- b->vsl_buf_pos = &b->vsl_ch_buf[0];
-
- b->vsl_at_bol = 1;
- b->vsl_buffer_status = YY_BUFFER_NEW;
-
- if ( b == vsl_current_buffer )
- vsl_load_buffer_state();
- }
-
-
- #ifndef YY_NO_SCAN_BUFFER
- #ifdef YY_USE_PROTOS
- YY_BUFFER_STATE vsl_scan_buffer( char *base, vsl_size_t size )
- #else
- YY_BUFFER_STATE vsl_scan_buffer( base, size )
- char *base;
- vsl_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) vsl_flex_alloc( sizeof( struct vsl_buffer_state ) );
- if ( ! b )
- YY_FATAL_ERROR( "out of dynamic memory in vsl_scan_buffer()" );
-
- b->vsl_buf_size = size - 2; /* "- 2" to take care of EOB's */
- b->vsl_buf_pos = b->vsl_ch_buf = base;
- b->vsl_is_our_buffer = 0;
- b->vsl_input_file = 0;
- b->vsl_n_chars = b->vsl_buf_size;
- b->vsl_is_interactive = 0;
- b->vsl_at_bol = 1;
- b->vsl_fill_buffer = 0;
- b->vsl_buffer_status = YY_BUFFER_NEW;
-
- vsl_switch_to_buffer( b );
-
- return b;
- }
- #endif
-
-
- #ifndef YY_NO_SCAN_STRING
- #ifdef YY_USE_PROTOS
- YY_BUFFER_STATE vsl_scan_string( vslconst char *vsl_str )
- #else
- YY_BUFFER_STATE vsl_scan_string( vsl_str )
- vslconst char *vsl_str;
- #endif
- {
- int len;
- for ( len = 0; vsl_str[len]; ++len )
- ;
-
- return vsl_scan_bytes( vsl_str, len );
- }
- #endif
-
-
- #ifndef YY_NO_SCAN_BYTES
- #ifdef YY_USE_PROTOS
- YY_BUFFER_STATE vsl_scan_bytes( vslconst char *bytes, int len )
- #else
- YY_BUFFER_STATE vsl_scan_bytes( bytes, len )
- vslconst char *bytes;
- int len;
- #endif
- {
- YY_BUFFER_STATE b;
- char *buf;
- vsl_size_t n;
- int i;
-
- /* Get memory for full buffer, including space for trailing EOB's. */
- n = len + 2;
- buf = (char *) vsl_flex_alloc( n );
- if ( ! buf )
- YY_FATAL_ERROR( "out of dynamic memory in vsl_scan_bytes()" );
-
- for ( i = 0; i < len; ++i )
- buf[i] = bytes[i];
-
- buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
-
- b = vsl_scan_buffer( buf, n );
- if ( ! b )
- YY_FATAL_ERROR( "bad buffer in vsl_scan_bytes()" );
-
- /* It's okay to grow etc. this buffer, and we should throw it
- * away when we're done.
- */
- b->vsl_is_our_buffer = 1;
-
- return b;
- }
- #endif
-
-
- #ifndef YY_NO_PUSH_STATE
- #ifdef YY_USE_PROTOS
- static void vsl_push_state( int new_state )
- #else
- static void vsl_push_state( new_state )
- int new_state;
- #endif
- {
- if ( vsl_start_stack_ptr >= vsl_start_stack_depth )
- {
- vsl_size_t new_size;
-
- vsl_start_stack_depth += YY_START_STACK_INCR;
- new_size = vsl_start_stack_depth * sizeof( int );
-
- if ( ! vsl_start_stack )
- vsl_start_stack = (int *) vsl_flex_alloc( new_size );
-
- else
- vsl_start_stack = (int *) vsl_flex_realloc(
- (void *) vsl_start_stack, new_size );
-
- if ( ! vsl_start_stack )
- YY_FATAL_ERROR(
- "out of memory expanding start-condition stack" );
- }
-
- vsl_start_stack[vsl_start_stack_ptr++] = YY_START;
-
- BEGIN(new_state);
- }
- #endif
-
-
- #ifndef YY_NO_POP_STATE
- static void vsl_pop_state()
- {
- if ( --vsl_start_stack_ptr < 0 )
- YY_FATAL_ERROR( "start-condition stack underflow" );
-
- BEGIN(vsl_start_stack[vsl_start_stack_ptr]);
- }
- #endif
-
-
- #ifndef YY_NO_TOP_STATE
- static int vsl_top_state()
- {
- return vsl_start_stack[vsl_start_stack_ptr - 1];
- }
- #endif
-
- #ifndef YY_EXIT_FAILURE
- #define YY_EXIT_FAILURE 2
- #endif
-
- #ifdef YY_USE_PROTOS
- static void vsl_fatal_error( vslconst char msg[] )
- #else
- static void vsl_fatal_error( msg )
- char msg[];
- #endif
- {
- (void) fprintf( stderr, "%s\n", msg );
- exit( YY_EXIT_FAILURE );
- }
-
-
-
- /* Redefine vslless() so it works in section 3 code. */
-
- #undef vslless
- #define vslless(n) \
- do \
- { \
- /* Undo effects of setting up vsltext. */ \
- vsltext[vslleng] = vsl_hold_char; \
- vsl_c_buf_p = vsltext + n; \
- vsl_hold_char = *vsl_c_buf_p; \
- *vsl_c_buf_p = '\0'; \
- vslleng = n; \
- } \
- while ( 0 )
-
-
- /* Internal utility routines. */
-
- #ifndef vsltext_ptr
- #ifdef YY_USE_PROTOS
- static void vsl_flex_strncpy( char *s1, vslconst char *s2, int n )
- #else
- static void vsl_flex_strncpy( s1, s2, n )
- char *s1;
- vslconst char *s2;
- int n;
- #endif
- {
- register int i;
- for ( i = 0; i < n; ++i )
- s1[i] = s2[i];
- }
- #endif
-
- #ifdef YY_NEED_STRLEN
- #ifdef YY_USE_PROTOS
- static int vsl_flex_strlen( vslconst char *s )
- #else
- static int vsl_flex_strlen( s )
- vslconst char *s;
- #endif
- {
- register int n;
- for ( n = 0; s[n]; ++n )
- ;
-
- return n;
- }
- #endif
-
-
- #ifdef YY_USE_PROTOS
- static void *vsl_flex_alloc( vsl_size_t size )
- #else
- static void *vsl_flex_alloc( size )
- vsl_size_t size;
- #endif
- {
- return (void *) malloc( size );
- }
-
- #ifdef YY_USE_PROTOS
- static void *vsl_flex_realloc( void *ptr, vsl_size_t size )
- #else
- static void *vsl_flex_realloc( ptr, size )
- void *ptr;
- vsl_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 vsl_flex_free( void *ptr )
- #else
- static void vsl_flex_free( ptr )
- void *ptr;
- #endif
- {
- free( ptr );
- }
-
- #if YY_MAIN
- int main()
- {
- vsllex();
- return 0;
- }
- #endif
- #line 257 "./vsl-lex.L"
-
- class vslNameSet {
- private:
- string _name;
- vslNameSet *_next;
-
- public:
- vslNameSet(const char *name)
- : _name(name), _next(0)
- {}
- ~vslNameSet() { reset(); }
- void reset();
- int add(const char *name);
-
- private:
- vslNameSet(const vslNameSet&)
- : _name(), _next(0)
- {
- assert(0);
- }
- vslNameSet& operator = (const vslNameSet&)
- {
- assert(0); return *this;
- }
- } vslnameSet("xyzzy");
-
- // Delete name set
- void vslNameSet::reset()
- {
- if (_next)
- delete _next;
- _next = 0;
- }
-
- // Add to name set; if already there, return -1
- int vslNameSet::add(const char *name)
- {
- if (strcmp(_name.chars(), name) == 0)
- return -1;
-
- if (_next)
- return _next->add(name);
-
- _next = new vslNameSet(name);
- return 0;
- }
-
- // Clear name set
- static void switchreset()
- {
- vslnameSet.reset();
- }
-
-
- // Return to original file
- static int switchdown()
- {
- if (topstack <= 0)
- return -1;
-
- if (vslstream != 0)
- {
- if (VSEFlags::verbose)
- {
- cout << ")";
- cout.flush();
- }
- delete vslstream;
- }
-
- topstack--;
- vslstream = streamstack[topstack];
- vslfilename = namestack[topstack];
- vsllinenumber = linestack[topstack];
-
- #ifdef FLEX_SCANNER
- if (YY_CURRENT_BUFFER != 0)
- vsl_delete_buffer(YY_CURRENT_BUFFER);
- vsl_switch_to_buffer(bufstack[topstack]);
- #endif
-
- return 0;
- }
-
- #ifndef VSL_INCLUDE_PATH
- #define VSL_INCLUDE_PATH "/usr/local/lib/vsl-include"
- #endif
-
- // Search file in directories -I, $VSL_INCLUDE suchen
- // as well as in ".", if THISDIR == true
- // If not found, return FILENAME
- static char *searchpath(char *filename, bool thisDir)
- {
- char includeList[BUFSIZ];
-
- // If "-I" is given, use this path
- char *s = VSEFlags::include_search_path;
- if (s == NULL || s[0] == '\0')
- {
- // Otherwise: Use environment or default path
- s = getenv("VSL_INCLUDE");
- if (s == NULL)
- {
- static string path =
- string(VSL_INCLUDE_PATH) +
- ":/usr/local/vse/vsl-include"
- ":/usr/vse/vsl-include"
- ":/usr/local/lib/vse/vsl-include"
- ":/usr/lib/vse/vsl-include"
- ":/usr/local/lib/vsl-include"
- ":/usr/lib/vsl-include";
-
- s = path;
- }
- }
-
- // If this dir is supposed to be searched, prepend ".:"
- if (thisDir)
- strcpy(includeList, ".:");
- else
- strcpy(includeList, "");
- strncat(includeList, s, BUFSIZ - 2);
-
- // Check dirs; if file can be opened, return full path
- for (char *p = strtok(includeList, ":"); p != NULL; p = strtok(NULL, ":"))
- {
- static char path[BUFSIZ];
- strcpy(path, p);
- strcat(path, "/");
- strcat(path, filename);
-
- FILE *fp = fopen(path, "r");
- if (fp != NULL && fclose(fp) != EOF)
- {
- // Remove "./" prefix
- if (path[0] == '.' && path[1] == '/')
- return path + 2;
- else
- return path;
- }
- }
-
- return filename;
- }
-
- // Switch to file FILENAME
- static int switchup(char *filename, bool thisdir)
- {
- if (string(filename) != "")
- {
- // Search file
- filename = searchpath(filename, thisdir);
-
- // Add to name set; if we already have read it, don't care
- if (vslnameSet.add(filename))
- return 0;
- }
-
- if (topstack >= max_include_nesting)
- {
- VSLLib::parse_error("too many #include's");
- return -1;
- }
-
- #ifdef FLEX_SCANNER
- if (YY_CURRENT_BUFFER == 0)
- {
- YY_CURRENT_BUFFER = vsl_new_buffer(stdin, YY_BUF_SIZE);
- vsl_load_buffer_state();
- }
-
- bufstack[topstack] = YY_CURRENT_BUFFER;
- #endif
-
- streamstack[topstack] = vslstream;
- namestack[topstack] = vslfilename;
- linestack[topstack] = vsllinenumber;
- topstack++;
-
- vsllinenumber = 1;
- vslfilename = filename;
-
- #ifdef FLEX_SCANNER
- vsl_switch_to_buffer(vsl_new_buffer(stdin, YY_BUF_SIZE));
- #endif
-
- if (string(filename) == "")
- {
- vslstream = &cin;
- vslfilename = "standard input";
- }
- else
- {
- #if BAD_ISTREAM
- vslstream = 0;
- FILE *fp = fopen(filename, "r");
- if (fp == NULL || fclose(fp) == EOF)
- {
- #else
- vslstream = new ifstream(filename, ios::in);
- if (!vslstream->readable())
- {
- #endif
- switchdown();
- VSLLib::parse_error(string(filename) + ": " + strerror(errno));
- return -1;
- }
-
- #if BAD_ISTREAM
- // vslstream can now be opened
- vslstream = new ifstream(filename, ios::in);
- #endif
- }
-
- if (VSEFlags::verbose)
- {
- cout << "(" << vslfilename;
- cout.flush();
- }
-
- #ifdef FLEX_SCANNER
- // Avoid warnings about unused vslunput() function
- if (false)
- vslunput(0, 0); // Never called
- #endif
-
- return 0;
- }
-