]> git.mxchange.org Git - flightgear.git/commitdiff
Removed to make way for a simpler file loading sceme.
authorcurt <curt>
Tue, 28 Oct 1997 20:58:17 +0000 (20:58 +0000)
committercurt <curt>
Tue, 28 Oct 1997 20:58:17 +0000 (20:58 +0000)
Scenery/scanner.l [deleted file]

diff --git a/Scenery/scanner.l b/Scenery/scanner.l
deleted file mode 100644 (file)
index 437d66a..0000000
+++ /dev/null
@@ -1,247 +0,0 @@
-/**************************************************************************
- * scenery.l -- Lexical Analyzer for scenery files
- *
- * Written by Curtis Olson, started May 1997.
- *
- * Copyright (C) 1997  Curtis L. Olson  - curt@infoplane.com
- *
- * 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.
- *
- * NOTE: Compiles with flex and gcc.
- *
- * $Id$
- **************************************************************************/
-
-
-/* C Pass Through */
-%{
-    #include <stdio.h>
-    #include "parser.h"
-
-    int line_num = 1;
-    char c;
-
-    /* custom print routine */
-    static int scanner_debug = 0;
-
-    /* Routines to manage a stack of nested input buffers (for
-       processing the #include directive */
-    #define MAX_INCLUDE_DEPTH 10
-    static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
-    static int include_stack_ptr = 0;
-
-    int push_input_stream ( char *input ) { 
-       FILE *yyin_save;
-        if ( include_stack_ptr >= MAX_INCLUDE_DEPTH ) {
-           fprintf( stderr, "Scanner says:  Includes nested too deeply\n" );
-           return(0);
-       }
-
-       /* save yyin in case the following fails */
-       yyin_save = yyin;
-
-       yyin = fopen( input, "r" );
-       if ( ! yyin ) {
-           fprintf( stderr, "Scanner says:  cannot open '%s'\n", input );
-
-           /* The failed attempt destroyed yyin, so restore it */
-           yyin = yyin_save;
-
-           return(0);
-       }
-       include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
-       yy_switch_to_buffer( yy_create_buffer(yyin, YY_BUF_SIZE) );
-
-       return(1);
-    }
-
-    int pop_input_stream () { 
-       if ( --include_stack_ptr < 1 ) {
-           /* end of last input stream */
-           return(0);
-       } else {
-           /* end of current input stream, restore previous and continue */
-           yy_delete_buffer( YY_CURRENT_BUFFER );
-           yy_switch_to_buffer( include_stack[include_stack_ptr] );
-           return(1);
-       }
-    }
-%}
-
-
-/* Definitions */
-letter         [A-Za-z]
-digit          [0-9]
-connecter       [_-]
-ident          {letter}({letter}|{digit}|{connecter})*
-
-integer                [+-]?{digit}+
-
-plain_real     {integer}"."{integer}
-short_exp_real  {integer}[Ee][+-]?{integer}
-exp_real       {plain_real}[Ee][+-]?{integer}
-real           [+-]?{plain_real}|{short_exp_real}|{exp_real}
-
-number          {real}|{integer}
-
-string          \"[^"\n]+\"
-
-bad_string      \"([^"\n]|\n)+\"
-
-ws             [ \t]+
-other          .
-
-
-/* Rules */ 
-%%
-
-include         { if ( scanner_debug ) {
-                      printf("return IncludeSym\n");
-                  }
-                  return IncludeSym;
-                }
-
-Shape           { if ( scanner_debug ) {
-                      printf("return ShapeSym\n");
-                  }
-                  return ShapeSym;
-                }
-
-Geometry        { if ( scanner_debug ) {
-                      printf("return GeometrySym\n");
-                  }
-                  return GeometrySym;
-                }
-
-{ident}                { if ( scanner_debug ) {
-                      printf("return Identifier = %s\n", yytext);
-                  }
-                  return Identifier;
-                }
-
-{number}       { if ( scanner_debug ) {
-                      printf("return Number\n");
-                  }
-                  return Number;
-                }
-
-{string}        { if ( scanner_debug ) {
-                      printf("return StringLiteral = %s\n", yytext);
-                  }
-                  return StringLiteral;
-                }
-
-{bad_string}    { if ( scanner_debug ) {
-                      printf("return BadStringLiteral = %s\n", yytext);
-                  }
-                  return BadStringLiteral; 
-                }
-
-"\n"           { line_num++; 
-                  if ( scanner_debug ) {
-                      printf("Line number = %d\n", line_num);
-                  }
-               }
-
-"="            { if ( scanner_debug ) {
-                      printf("return EqualSym\n");
-                  }
-                  return EqualSym; 
-                }
-
-","            { if ( scanner_debug ) {
-                      printf("return CommaSym\n");
-                  }
-                  return CommaSym; 
-                }
-
-"{"            { if ( scanner_debug ) {
-                      printf("return LBraceSym\n");
-                  }
-                  return LBraceSym; 
-                }
-
-"}"            { if ( scanner_debug ) {
-                      printf("return RBraceSym\n");
-                  }
-                  return RBraceSym;
-                }
-
-"("            { if ( scanner_debug ) {
-                      printf("return LParenSym\n");
-                  }
-                  return LParenSym; 
-                }
-
-")"            { if ( scanner_debug ) {
-                      printf("return RParenSym\n");
-                  }
-                  return RParenSym;
-                }
-
-"["            { if ( scanner_debug ) {
-                      printf("return LSqBracketSym\n");
-                  }
-                  return LSqBracketSym; 
-                }
-
-"]"            { if ( scanner_debug ) {
-                      printf("return RSqBracketSym\n");
-                  }
-                  return RSqBracketSym;
-                }
-
-"//"           { /* burn through "//" comment to end of line */ 
-                  if ( scanner_debug ) {
-                      printf("Skipping comment: ");
-                  }
-                 c = input();
-                 while ( (c != '\n') ) {
-                     c = input();
-                      if ( scanner_debug ) {
-                          printf("%c", c);
-                      }
-                 }
-                 unput(c);
-               }
-
-"#"             { /* burn through "#" comment to end of line */ 
-                  if ( scanner_debug ) {
-                      printf("Skipping comment: ");
-                  }
-                 c = input();
-                 while ( (c != '\n') ) {
-                     c = input();
-                      if ( scanner_debug ) {
-                          printf("%c", c);
-                      }
-                 }
-                 unput(c);
-               }
-
-{ws}           { ; }
-
-{other}                { if ( scanner_debug ) {
-                      printf("Scanned some unexpected text = `%s'\n", yytext);
-                  }
-                 return ErrorMisc; 
-               }
-
-<<EOF>>         { if ( pop_input_stream() == 0 ) {
-                      /* End of last input stream */
-                      yyterminate();
-                  }
-                }