1/* 2 * [The "BSD license"] 3 * Copyright (c) 2011 Terence Parr 4 * All rights reserved. 5 * 6 * Conversion to C#: 7 * Copyright (c) 2011 Sam Harwell, Pixel Mine, Inc. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33lexer grammar PreprocessorLexer; 34 35options 36{ 37 language=CSharp3; 38} 39 40@namespace{Antlr3.Runtime.Test} 41 42PP_SKIPPED_CHARACTERS 43 : {false}? => ~(F_NEW_LINE_CHARACTER | F_PP_POUND_SIGN) F_INPUT_CHARACTER* 44 ; 45 46DELIMITED_COMMENT 47 : {true}? => '/*' .* '*/' 48 ; 49 50WHITESPACE 51 : F_WHITESPACE {Skip();} 52 ; 53 54fragment F_WHITESPACE 55 : (' ' | '\t' | '\v' | '\f')+ 56 ; 57 58fragment F_NEW_LINE_CHARACTER 59 : '\r' 60 | '\n' 61 ; 62 63fragment F_PP_POUND_SIGN 64 : '#' 65 ; 66 67fragment F_INPUT_CHARACTER 68 : ~F_NEW_LINE_CHARACTER 69 ; 70