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 33grammar ProfileGrammar; 34 35options 36{ 37 language=CSharp3; 38 output=AST; 39 ASTLabelType=CommonTree; 40} 41 42tokens 43{ 44 // define pseudo-operations 45 FUNC; 46 CALL; 47} 48 49@lexer::namespace{Antlr3.Runtime.Test.BuildOptions} 50@parser::namespace{Antlr3.Runtime.Test.BuildOptions} 51 52// START:stat 53prog: ( stat )* 54 ; 55 56stat: expr NEWLINE -> expr 57 | ID '=' expr NEWLINE -> ^('=' ID expr) 58 | func NEWLINE -> func 59 | NEWLINE -> // ignore 60 ; 61 62func: ID '(' formalPar ')' '=' expr -> ^(FUNC ID formalPar expr) 63 ; 64 finally { 65 functionDefinitions.Add($func.tree); 66 } 67 68formalPar 69 : ID 70 | INT 71 ; 72 73// END:stat 74 75// START:expr 76expr: multExpr (('+'^|'-'^) multExpr)* 77 ; 78 79multExpr 80 : atom (('*'|'/'|'%')^ atom)* 81 ; 82 83atom: INT 84 | ID 85 | '(' expr ')' -> expr 86 | ID '(' expr ')' -> ^(CALL ID expr) 87 ; 88// END:expr 89 90// START:tokens 91ID : ('a'..'z'|'A'..'Z')+ 92 ; 93 94INT : '0'..'9'+ 95 ; 96 97NEWLINE 98 : '\r'? '\n' 99 ; 100 101WS : (' '|'\t')+ { Skip(); } 102 ; 103// END:tokens 104