1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 3 <head> 4 <meta http-equiv="content-type" content="text/html;charset=utf-8" /> 5 <title>t044trace</title> 6 7 <!-- ANTLR includes --> 8 <script type="text/javascript" src="../../lib/antlr3-all.js"></script> 9 <script type="text/javascript" src="t044traceLexer.js"></script> 10 <script type="text/javascript" src="t044traceParser.js"></script> 11 12 <!-- JsUnit include --> 13 <script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script> 14 15 <!-- Test Code --> 16 <script type="text/javascript"> 17 var TLexer = function() { 18 TLexer.superclass.constructor.apply(this, arguments); 19 this.traces = []; 20 }; 21 org.antlr.lang.extend(TLexer, t044traceLexer, { 22 traceIn: function(ruleName, ruleIndex) { 23 this.traces.push(">"+ruleName); 24 }, 25 traceOut: function(ruleName, ruleIndex) { 26 this.traces.push("<"+ruleName); 27 }, 28 recover: function(re) { 29 /* don't recover, just crash */ 30 throw re; 31 } 32 }); 33 34 var TParser = function() { 35 TParser.superclass.constructor.apply(this, arguments); 36 this.traces = []; 37 }; 38 org.antlr.lang.extend(TParser, t044traceParser, { 39 traceIn: function(ruleName, ruleIndex) { 40 this.traces.push(">"+ruleName); 41 }, 42 traceOut: function(ruleName, ruleIndex) { 43 this.traces.push("<"+ruleName); 44 }, 45 recover: function(re) { 46 /* don't recover, just crash */ 47 throw re; 48 } 49 }); 50 51 52 function testTrace() { 53 var cstream = new org.antlr.runtime.ANTLRStringStream('< 1 + 2 + 3 >'), 54 lexer = new TLexer(cstream), 55 tstream = new org.antlr.runtime.CommonTokenStream(lexer), 56 parser = new TParser(tstream); 57 58 parser.a(); 59 assertArrayEquals(lexer.traces, 60 [ '>T__6', '<T__6', '>WS', '<WS', '>INT', '<INT', '>WS', '<WS', 61 '>T__8', '<T__8', '>WS', '<WS', '>INT', '<INT', '>WS', '<WS', 62 '>T__8', '<T__8', '>WS', '<WS', '>INT', '<INT', '>WS', '<WS', 63 '>T__7', '<T__7'] 64 ); 65 assertArrayEquals(parser.traces, 66 [ '>a', '>synpred1_t044trace_fragment', '<synpred1_t044trace_fragment', '>b', '>c', 67 '<c', '>c', '<c', '>c', '<c', '<b', '<a' ] 68 ); 69 } 70 </script> 71 72 </head> 73 <body> 74 <h1>t044trace</h1> 75 </body> 76 </html> 77
