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>t047treeparser</title> 6 7 <!-- ANTLR includes --> 8 <script type="text/javascript" src="../../lib/antlr3-all.js"></script> 9 <script type="text/javascript" src="t047treeparserLexer.js"></script> 10 <script type="text/javascript" src="t047treeparserParser.js"></script> 11 <script type="text/javascript" src="t047treeparserWalker.js"></script> 12 13 <!-- JsUnit include --> 14 <script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script> 15 16 <!-- Test Code --> 17 <script type="text/javascript"> 18 var TLexer = function() { 19 TLexer.superclass.constructor.apply(this, arguments); 20 }; 21 org.antlr.lang.extend(TLexer, t047treeparserLexer, { 22 reportError: function(re) { 23 throw re; 24 } 25 }); 26 27 var TParser = function() { 28 TParser.superclass.constructor.apply(this, arguments); 29 }; 30 org.antlr.lang.extend(TParser, t047treeparserParser, { 31 recover: function(re) { 32 throw new PrivateError(re); 33 } 34 }); 35 36 var TWalker = function() { 37 TWalker.superclass.constructor.apply(this, arguments); 38 this.traces = []; 39 }; 40 org.antlr.lang.extend(TWalker, t047treeparserWalker, { 41 recover: function(re) { 42 throw new PrivateError(re); 43 }, 44 traceIn: function(ruleName, ruleIndex) { 45 this.traces.push(">"+ruleName); 46 }, 47 traceOut: function(ruleName, ruleIndex) { 48 this.traces.push("<"+ruleName); 49 } 50 }); 51 52 function testWalker() { 53 var xinput = [ 54 "char c;", 55 "int x;", 56 "", 57 "void bar(int x);", 58 "", 59 "int foo(int y, char d) {", 60 " int i;", 61 " for (i=0; i<3; i=i+1) {", 62 " x=3;", 63 " y=5;", 64 " }", 65 "}" 66 ].join("\n"), 67 xoutput = "(VAR_DEF char c) (VAR_DEF int x) (FUNC_DECL (FUNC_HDR void bar (ARG_DEF int x))) (FUNC_DEF (FUNC_HDR int foo (ARG_DEF int y) (ARG_DEF char d)) (BLOCK (VAR_DEF int i) (for (= i 0) (< i 3) (= i (+ i 1)) (BLOCK (= x 3) (= y 5)))))", 68 traces = [ 69 '>program', '>declaration', '>variable', '>type', '<type', 70 '>declarator', '<declarator', '<variable', '<declaration', 71 '>declaration', '>variable', '>type', '<type', '>declarator', 72 '<declarator', '<variable', '<declaration', '>declaration', 73 '>functionHeader', '>type', '<type', '>formalParameter', 74 '>type', '<type', '>declarator', '<declarator', 75 '<formalParameter', '<functionHeader', '<declaration', 76 '>declaration', '>functionHeader', '>type', '<type', 77 '>formalParameter', '>type', '<type', '>declarator', 78 '<declarator', '<formalParameter', '>formalParameter', '>type', 79 '<type', '>declarator', '<declarator', '<formalParameter', 80 '<functionHeader', '>block', '>variable', '>type', '<type', 81 '>declarator', '<declarator', '<variable', '>stat', '>forStat', 82 '>expr', '>expr', '>atom', '<atom', '<expr', '<expr', '>expr', 83 '>expr', '>atom', '<atom', '<expr', '>expr', '>atom', '<atom', 84 '<expr', '<expr', '>expr', '>expr', '>expr', '>atom', '<atom', 85 '<expr', '>expr', '>atom', '<atom', '<expr', '<expr', '<expr', 86 '>block', '>stat', '>expr', '>expr', '>atom', '<atom', '<expr', 87 '<expr', '<stat', '>stat', '>expr', '>expr', '>atom', '<atom', 88 '<expr', '<expr', '<stat', '<block', '<forStat', '<stat', 89 '<block', '<declaration', '<program' 90 ]; 91 92 93 var cstream = new org.antlr.runtime.ANTLRStringStream(xinput), 94 lexer = new TLexer(cstream), 95 tstream = new org.antlr.runtime.CommonTokenStream(lexer), 96 parser = new TParser(tstream); 97 var r = parser.program(); 98 99 assertEquals(r.getTree().toStringTree(), xoutput); 100 101 var nodes = new org.antlr.runtime.tree.CommonTreeNodeStream(r.getTree()); 102 nodes.setTokenStream(tstream); 103 var walker = new TWalker(nodes); 104 walker.program(); 105 106 assertArrayEquals(walker.traces, traces); 107 } 108 109 function testRuleLabelPropertyRefText() { 110 var cstream = new org.antlr.runtime.ANTLRStringStream("\nchar c;\n"), 111 lexer = new TLexer(cstream), 112 tstream = new org.antlr.runtime.CommonTokenStream(lexer), 113 parser = new TParser(tstream), 114 r = parser.variable(); 115 116 var nodes = new org.antlr.runtime.tree.CommonTreeNodeStream(r.getTree()); 117 nodes.setTokenStream(tstream); 118 var walker = new TWalker(nodes); 119 r = walker.variable(); 120 121 assertEquals(r, 'c'); 122 } 123 </script> 124 125 </head> 126 <body> 127 <h1>t047treeparser</h1> 128 </body> 129 </html> 130
