Adjusting the directory structure.
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curt
parent
450a307fc2
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0583a1ecd4
5 changed files with 0 additions and 954 deletions
109
Scenery/Makefile
109
Scenery/Makefile
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#---------------------------------------------------------------------------
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# Makefile
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#
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# Written by Curtis Olson, started May 1997.
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#
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# Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# $Id$
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# (Log is kept at end of this file)
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#---------------------------------------------------------------------------
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TARGET = libScenery.a
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CFILES = scanner.c parser.c common.c mesh.c
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HFILES =
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LFILES = scanner.l
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YFILES = parser.y
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OFILES = $(CFILES:.c=.o)
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CC = gcc
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CFLAGS = -g -Wall
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# CFLAGS = -O2 -Wall
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FLEX = flex -f -L
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BISON = bison -v --no-lines
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AR = ar
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INCLUDES =
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LIBS = -lfl
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#---------------------------------------------------------------------------
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# Primary Targets
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#---------------------------------------------------------------------------
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all: $(TARGET)
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$(TARGET): $(OFILES) $(HFILES)
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$(AR) rv $(TARGET) $(OFILES)
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clean:
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rm -f *.o $(TARGET) parser.output *~ core
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realclean: clean
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rm -f scanner.c parser.c
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#---------------------------------------------------------------------------
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# Secondary Targets
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#---------------------------------------------------------------------------
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scanner.c: scanner.l parser.h
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$(FLEX) -oscanner.c scanner.l
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scanner.o: scanner.c
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$(CC) $(CFLAGS) -c scanner.c
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parser.h: parser.y
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$(BISON) -o parser.c -d parser.y
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parser.c: parser.y common.h mesh.h scenery.h
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$(BISON) -o parser.c parser.y
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parser.o: parser.c
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$(CC) $(CFLAGS) -c parser.c
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common.o: common.c common.h
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$(CC) $(CFLAGS) -c common.c
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mesh.o: mesh.c mesh.h common.h
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$(CC) $(CFLAGS) -c mesh.c
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#---------------------------------------------------------------------------
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# $Log$
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# Revision 1.6 1997/06/21 17:12:55 curt
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# Capitalized subdirectory names.
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#
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# Revision 1.5 1997/05/31 19:16:29 curt
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# Elevator trim added.
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#
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# Revision 1.4 1997/05/27 17:48:50 curt
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# Added -f flag to flex to generate a "fast" scanner.
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#
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# Revision 1.3 1997/05/23 15:40:40 curt
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# Added GNU copyright headers.
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#
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# Revision 1.2 1997/05/17 00:17:01 curt
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# Cosmetic changes.
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#
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# Revision 1.1 1997/05/16 16:07:02 curt
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# Initial revision.
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#
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#!/usr/local/bin/perl
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#
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# dem2scene.pl -- Read in a dem data file, and output a more usable format.
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#
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# Written by Curtis Olson, started May 1997.
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#
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# Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# $Id$
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# (Log is kept at end of this file)
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#---------------------------------------------------------------------------
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use strict;
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# declare variables
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my($token);
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my($i, $j);
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my($arg);
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my($res) = 1;
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# "A" Record Information
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my($dem_description, $dem_quadrangle);
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my($dem_x1, $dem_y1, $dem_x2, $dem_y2, $dem_x3, $dem_y3, $dem_x4, $dem_y4);
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my($dem_z1, $dem_z2);
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my($dem_resolution, $dem_num_profiles);
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# "B" Record Information
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my($prof_row, $prof_col);
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my($prof_num_rows, $prof_num_cols);
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my($prof_x1, $prof_y1);
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my($prof_data);
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# set input record separator to be a space
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$/ = " ";
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# parse command line arguments
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while ( $arg = shift(@ARGV) ) {
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if ( $arg eq "-r" ) {
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$res = shift(@ARGV);
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if ( $res < 1 ) {
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&usage();
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}
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} else {
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&usage();
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}
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}
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# print usage and die
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sub usage {
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die "Usage: $0 [ -r resval ]\n";
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}
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&read_a_record();
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&output_scene_hdr();
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$i = 0;
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while ( $i < $dem_num_profiles ) {
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&read_b_record();
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&output_row();
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$i++;
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if ( $i < $dem_num_profiles ) {
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# not on last record
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for ( $j = 1; $j < $res; $j++ ) {
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# print "skipping row\n";
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&read_b_record();
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}
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}
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}
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&output_scene_close();
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# read and parse DEM "A" record
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sub read_a_record {
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my($i);
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# read initial descriptive header
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while ( ($token = &next_token()) ne "_END_OF_FILE_" ) {
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if ( $token !~ m/^NJ/ && $token !~ m/^NI/ ) {
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$dem_description .= "$token ";
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} else {
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chop($dem_description);
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$dem_quadrangle = $token;
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last;
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}
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}
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# print "'$dem_description' '$dem_quadrangle'\n";
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# DEM level code, 3 reflects processing by DMA
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&next_token();
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# Pattern code, 1 indicates a regular elevation pattern
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&next_token();
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# Planimetric reference system code, 0 indicates geographic
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# coordinate system.
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&next_token();
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# Zone code
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&next_token();
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# Map projection parameters (ignored)
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for ($i = 0; $i < 15; $i++) {
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&next_token();
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}
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# Units code, 3 represents arc-seconds as the unit of measure for
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# ground planimetric coordinates throughout the file.
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die "Unknown units code!\n" if ( &next_token() ne "3" );
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# Units code; 2 represents meters as the unit of measure for
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# elevation coordinates throughout the file.
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die "Unknown units code!\n" if ( &next_token() ne "2" );
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# Number (n) of sides in the polygon which defines the coverage of
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# the DEM file (usually equal to 4).
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die "Unknown polygon dimension!\n" if ( &next_token() ne "4" );
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# Ground coordinates of bounding box in arc-seconds
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$dem_x1 = &next_token();
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$dem_y1 = &next_token();
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$dem_x2 = &next_token();
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$dem_y2 = &next_token();
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$dem_x3 = &next_token();
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$dem_y3 = &next_token();
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$dem_x4 = &next_token();
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$dem_y4 = &next_token();
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# Minimum/maximum elevations in meters
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$dem_z1 = &next_token();
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$dem_z2 = &next_token();
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# Counterclockwise angle from the primary axis of ground
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# planimetric referenced to the primary axis of the DEM local
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# reference system.
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&next_token();
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# Accuracy code; 0 indicates that a record of accuracy does not
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# exist and that no record type C will follow.
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# &next_token();
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# DEM spacial resolution. Usually (3,3,1) (3,6,1) or (3,9,1)
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# depending on latitude
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$dem_resolution = &next_token();
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# one dimensional arrays
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&next_token();
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# number of profiles
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$dem_num_profiles = &next_token();
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$dem_num_profiles = (($dem_num_profiles - 1) / $res) + 1;
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}
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# output the scene headers
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sub output_scene_hdr {
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my($dx, $dy, $dz);
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printf("mesh %s_terrain {\n", $dem_quadrangle);
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$dem_x1 =~ s/D/E/; $dem_x1 += 0.0;
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$dem_y1 =~ s/D/E/; $dem_y1 += 0.0;
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print " // This mesh is rooted at the following coordinates (in arc seconds)\n";
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print " origin_lon = $dem_x1\n";
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print " origin_lat = $dem_y1\n";
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print "\n";
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print " // Number of rows and columns (needed by the parser so it can create\n";
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print " //the proper size structure\n";
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print " rows = $dem_num_profiles\n";
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print " cols = $dem_num_profiles\n"; # This isn't necessarily guaranteed
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print "\n";
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($dx, $dy, $dz) = $dem_resolution =~
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m/(.............)(............)(............)/;
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$dx *= $res;
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$dy *= $res;
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print " // Distance between x and y data points (in arc seconds)\n";
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print " row_step = $dx\n";
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print " col_step = $dy\n";
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print "\n";
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}
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# output the scene close
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sub output_scene_close {
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print "\n";
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print "}\n";
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}
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# read and parse DEM "B" record
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sub read_b_record {
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my($i, $j);
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# row / column id of this profile
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$prof_row = &next_token();
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$prof_col = &next_token();
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# Number of rows (elevations) and columns in this profile;
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$prof_num_rows = &next_token();
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$prof_num_cols = &next_token();
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$prof_num_rows = (($prof_num_rows - 1) / $res) + 1;
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# print "profile num rows = $prof_num_rows\n";
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# Ground planimetric coordinates (arc-seconds) of the first
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# elevation in the profile
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$prof_x1 = &next_token();
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$prof_y1 = &next_token();
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# Elevation of local datum for the profile. Always zero for
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# 1-degree DEM, the reference is mean sea level.
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&next_token();
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# Minimum and maximum elevations for the profile.
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&next_token();
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&next_token();
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# One (usually) dimensional array ($prof_num_rows,1) of elevations
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$prof_data = "";
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$i = 0;
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while ( $i < $prof_num_rows ) {
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$prof_data .= &next_token();
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$prof_data .= " ";
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$i++;
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if ( $i < $prof_num_rows ) {
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# not on last data point
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# skip the tokens to get requested resolution
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for ($j = 1; $j < $res; $j++) {
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# print "skipping ...\n";
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&next_token();
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}
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}
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}
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chop($prof_data);
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# print "$prof_data\n\n";
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}
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# output a row of data
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sub output_row {
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print " row = ($prof_data)\n";
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}
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# return next token from input stream
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sub next_token {
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my($token);
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# print "in next token\n";
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do {
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$token = <>; chop($token);
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if ( eof() ) {
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$token = "_END_OF_FILE_";
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}
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} while ( $token eq "" );
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# print "returning $token\n";
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return $token;
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}
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while ( ($token = &next_token()) ne "_END_OF_FILE_" ) {
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# print "'$token'\n";
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}
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#---------------------------------------------------------------------------
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# $Log$
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# Revision 1.2 1997/05/30 19:30:16 curt
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# The LaRCsim flight model is starting to look like it is working.
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#
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# Revision 1.1 1997/05/27 21:56:02 curt
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# Initial revision (with data skipping support)
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#
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258
Scenery/parser.y
258
Scenery/parser.y
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@ -1,258 +0,0 @@
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/**************************************************************************
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* parser.y -- scenery file parser
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*
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||||||
* 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.
|
|
||||||
*
|
|
||||||
* $Id$
|
|
||||||
**************************************************************************/
|
|
||||||
|
|
||||||
|
|
||||||
/* C pass through */
|
|
||||||
%{
|
|
||||||
#include <malloc.h>
|
|
||||||
#include <stdio.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <string.h>
|
|
||||||
|
|
||||||
#include "common.h"
|
|
||||||
#include "mesh.h"
|
|
||||||
#include "scenery.h"
|
|
||||||
|
|
||||||
|
|
||||||
/*#DEFINE YYDEBUG 1 */
|
|
||||||
|
|
||||||
/* interfacing with scanner.l (lex) */
|
|
||||||
extern int line_num;
|
|
||||||
extern char *yytext;
|
|
||||||
int push_input_stream ( char *input );
|
|
||||||
|
|
||||||
/* we must define this ourselves */
|
|
||||||
int yyerror(char *s);
|
|
||||||
|
|
||||||
/* handle for a mesh structure */
|
|
||||||
struct mesh *mesh_ptr;
|
|
||||||
%}
|
|
||||||
|
|
||||||
|
|
||||||
/* top level reserved words */
|
|
||||||
%token IncludeSym MeshSym RowSym ChunkSym BoundsSym PlaceSym
|
|
||||||
|
|
||||||
/* basic tokens */
|
|
||||||
%token Identifier Number StringLiteral
|
|
||||||
|
|
||||||
/* symbol tokens */
|
|
||||||
%token HashSym EqualSym LBraceSym RBraceSym LParenSym RParenSym CommaSym
|
|
||||||
|
|
||||||
/* error tokens */
|
|
||||||
%token BadStringLiteral ErrorMisc
|
|
||||||
|
|
||||||
|
|
||||||
/* Start Symbol */
|
|
||||||
%start start
|
|
||||||
|
|
||||||
|
|
||||||
/* Rules Section */
|
|
||||||
%%
|
|
||||||
|
|
||||||
start :
|
|
||||||
object_list
|
|
||||||
;
|
|
||||||
|
|
||||||
object_list :
|
|
||||||
object
|
|
||||||
| object_list object
|
|
||||||
;
|
|
||||||
|
|
||||||
object :
|
|
||||||
include
|
|
||||||
| mesh
|
|
||||||
| chunk
|
|
||||||
;
|
|
||||||
|
|
||||||
/* includes */
|
|
||||||
include :
|
|
||||||
HashSym IncludeSym StringLiteral
|
|
||||||
{
|
|
||||||
yytext = strip_quotes(yytext);
|
|
||||||
printf("Need to include %s\n", yytext);
|
|
||||||
push_input_stream(yytext);
|
|
||||||
}
|
|
||||||
;
|
|
||||||
|
|
||||||
/* terrain mesh rules */
|
|
||||||
mesh :
|
|
||||||
MeshSym
|
|
||||||
{
|
|
||||||
/* allocate a structure for this terrain mesh */
|
|
||||||
mesh_ptr = new_mesh();
|
|
||||||
}
|
|
||||||
Identifier LBraceSym mesh_body RBraceSym
|
|
||||||
{
|
|
||||||
/* The following two lines *SHOULD* be here, they are just temporarily
|
|
||||||
commented out until the scenery mngmt stuff gets hashed out. */
|
|
||||||
|
|
||||||
/* free up the mem used by this structure */
|
|
||||||
/* free(mesh_ptr->mesh_data); */
|
|
||||||
/* free(mesh_ptr); */
|
|
||||||
}
|
|
||||||
;
|
|
||||||
|
|
||||||
mesh_body :
|
|
||||||
mesh_header_list
|
|
||||||
{
|
|
||||||
/* We've read the headers, so allocate a pseudo 2d array */
|
|
||||||
mesh_ptr->mesh_data = new_mesh_data(mesh_ptr->rows, mesh_ptr->cols);
|
|
||||||
printf("Beginning to read mesh data\n");
|
|
||||||
}
|
|
||||||
mesh_row_list
|
|
||||||
;
|
|
||||||
|
|
||||||
mesh_header_list :
|
|
||||||
mesh_header
|
|
||||||
| mesh_header_list mesh_header
|
|
||||||
;
|
|
||||||
|
|
||||||
mesh_header :
|
|
||||||
Identifier
|
|
||||||
{
|
|
||||||
mesh_set_option_name(mesh_ptr, yytext);
|
|
||||||
}
|
|
||||||
EqualSym Number
|
|
||||||
{
|
|
||||||
mesh_set_option_value(mesh_ptr, yytext);
|
|
||||||
}
|
|
||||||
;
|
|
||||||
|
|
||||||
mesh_row_list :
|
|
||||||
mesh_row
|
|
||||||
| mesh_row_list mesh_row
|
|
||||||
;
|
|
||||||
|
|
||||||
mesh_row :
|
|
||||||
RowSym
|
|
||||||
{
|
|
||||||
/* printf("Ready to read a row\n"); */
|
|
||||||
mesh_ptr->cur_col = 0;
|
|
||||||
}
|
|
||||||
EqualSym LParenSym mesh_row_items RParenSym
|
|
||||||
{
|
|
||||||
mesh_ptr->cur_row++;
|
|
||||||
}
|
|
||||||
;
|
|
||||||
|
|
||||||
mesh_row_items :
|
|
||||||
mesh_item
|
|
||||||
| mesh_row_items mesh_item
|
|
||||||
;
|
|
||||||
|
|
||||||
mesh_item :
|
|
||||||
Number
|
|
||||||
{
|
|
||||||
/* mesh data is a pseudo 2d array */
|
|
||||||
mesh_ptr->mesh_data[mesh_ptr->cur_row * mesh_ptr->rows +
|
|
||||||
mesh_ptr->cur_col] = atof(yytext);
|
|
||||||
mesh_ptr->cur_col++;
|
|
||||||
}
|
|
||||||
;
|
|
||||||
|
|
||||||
/* chunk rules */
|
|
||||||
chunk : ChunkSym Identifier LBraceSym chunk_body RBraceSym
|
|
||||||
;
|
|
||||||
|
|
||||||
chunk_body : chunk_header_list chunk_bounds place_list
|
|
||||||
;
|
|
||||||
|
|
||||||
chunk_header_list : chunk_header
|
|
||||||
| chunk_header_list chunk_header
|
|
||||||
;
|
|
||||||
|
|
||||||
chunk_header : Identifier EqualSym StringLiteral
|
|
||||||
;
|
|
||||||
|
|
||||||
chunk_bounds : BoundsSym EqualSym LBraceSym
|
|
||||||
Number CommaSym
|
|
||||||
Number CommaSym
|
|
||||||
Number CommaSym
|
|
||||||
Number CommaSym
|
|
||||||
Number CommaSym
|
|
||||||
Number CommaSym
|
|
||||||
Number CommaSym
|
|
||||||
Number
|
|
||||||
RBraceSym
|
|
||||||
;
|
|
||||||
|
|
||||||
/* place rules */
|
|
||||||
place_list : place | place_list place
|
|
||||||
;
|
|
||||||
|
|
||||||
place : PlaceSym Identifier LBraceSym place_options_list RBraceSym
|
|
||||||
;
|
|
||||||
|
|
||||||
place_options_list : place_option | place_options_list place_option
|
|
||||||
;
|
|
||||||
|
|
||||||
place_option : Identifier EqualSym place_value
|
|
||||||
;
|
|
||||||
|
|
||||||
place_value : geodetic_coord | Number
|
|
||||||
;
|
|
||||||
|
|
||||||
geodetic_coord : LParenSym Number CommaSym Number CommaSym
|
|
||||||
Number RParenSym
|
|
||||||
;
|
|
||||||
|
|
||||||
|
|
||||||
/* C Function Section */
|
|
||||||
%%
|
|
||||||
|
|
||||||
|
|
||||||
int yyerror(char *s) {
|
|
||||||
printf("Error: %s at line %d.\n", s, line_num);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* this is a simple main for testing the parser */
|
|
||||||
|
|
||||||
/*
|
|
||||||
int main(int argc, char **argv) {
|
|
||||||
#ifdef YYDEBUG
|
|
||||||
yydebug = 1;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
printf("input file = %s\n", argv[1]);
|
|
||||||
push_input_stream(argv[1]);
|
|
||||||
yyparse();
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
*/
|
|
||||||
|
|
||||||
|
|
||||||
/* parse a scenery file */
|
|
||||||
int parse_scenery(char *file) {
|
|
||||||
int result;
|
|
||||||
|
|
||||||
printf("input file = %s\n", file);
|
|
||||||
push_input_stream(file);
|
|
||||||
result = yyparse();
|
|
||||||
|
|
||||||
/* return(result) */
|
|
||||||
return(mesh_ptr);
|
|
||||||
}
|
|
||||||
|
|
@ -1,241 +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;
|
|
||||||
}
|
|
||||||
|
|
||||||
mesh { if ( scanner_debug ) {
|
|
||||||
printf("return MeshSym\n");
|
|
||||||
}
|
|
||||||
return MeshSym;
|
|
||||||
}
|
|
||||||
|
|
||||||
row { if ( scanner_debug ) {
|
|
||||||
printf("return RowSym\n");
|
|
||||||
}
|
|
||||||
return RowSym;
|
|
||||||
}
|
|
||||||
|
|
||||||
chunk { if ( scanner_debug ) {
|
|
||||||
printf("return ChunkSym\n");
|
|
||||||
}
|
|
||||||
return ChunkSym;
|
|
||||||
}
|
|
||||||
|
|
||||||
bounds { if ( scanner_debug ) {
|
|
||||||
printf("return BoundsSym\n");
|
|
||||||
}
|
|
||||||
return BoundsSym;
|
|
||||||
}
|
|
||||||
|
|
||||||
place { if ( scanner_debug ) {
|
|
||||||
printf("return PlaceSym\n");
|
|
||||||
}
|
|
||||||
return PlaceSym;
|
|
||||||
}
|
|
||||||
|
|
||||||
{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 HashSym\n");
|
|
||||||
}
|
|
||||||
return HashSym;
|
|
||||||
}
|
|
||||||
|
|
||||||
"=" { 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;
|
|
||||||
}
|
|
||||||
|
|
||||||
"//" { /* burn through "#" comment */
|
|
||||||
c = input();
|
|
||||||
while ( (c != '\n') ) {
|
|
||||||
c = input();
|
|
||||||
/* scanner_print("%c", c); */
|
|
||||||
}
|
|
||||||
unput(c);
|
|
||||||
/* line_num++; */
|
|
||||||
}
|
|
||||||
|
|
||||||
{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();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,45 +0,0 @@
|
||||||
/**************************************************************************
|
|
||||||
* scenery.h -- data structures and routines for processing terrain meshes
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*
|
|
||||||
* $Id$
|
|
||||||
* (Log is kept at end of this file)
|
|
||||||
**************************************************************************/
|
|
||||||
|
|
||||||
|
|
||||||
#ifndef SCENERY_H
|
|
||||||
#define SCENERY_H
|
|
||||||
|
|
||||||
|
|
||||||
/* parse a scenery file */
|
|
||||||
int parse_scenery(char *file);
|
|
||||||
|
|
||||||
|
|
||||||
#endif SCENERY_H
|
|
||||||
|
|
||||||
|
|
||||||
/* $Log$
|
|
||||||
/* Revision 1.2 1997/05/23 15:40:43 curt
|
|
||||||
/* Added GNU copyright headers.
|
|
||||||
/*
|
|
||||||
* Revision 1.1 1997/05/16 16:07:07 curt
|
|
||||||
* Initial revision.
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
Loading…
Add table
Reference in a new issue