| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
| <head> |
| <meta http-equiv="content-type" content="text/html;charset=utf-8" /> |
| <title>t049treeparser</title> |
| |
| <!-- ANTLR includes --> |
| <script type="text/javascript" src="../../lib/antlr3-all.js"></script> |
| <script type="text/javascript" src="t049treeparseraLexer.js"></script> |
| <script type="text/javascript" src="t049treeparseraParser.js"></script> |
| <script type="text/javascript" src="t049treeparseraWalker.js"></script> |
| <script type="text/javascript" src="t049treeparserbLexer.js"></script> |
| <script type="text/javascript" src="t049treeparserbParser.js"></script> |
| <script type="text/javascript" src="t049treeparserbWalker.js"></script> |
| <script type="text/javascript" src="t049treeparsercLexer.js"></script> |
| <script type="text/javascript" src="t049treeparsercParser.js"></script> |
| <script type="text/javascript" src="t049treeparsercWalker.js"></script> |
| <script type="text/javascript" src="t049treeparserdLexer.js"></script> |
| <script type="text/javascript" src="t049treeparserdParser.js"></script> |
| <script type="text/javascript" src="t049treeparserdWalker.js"></script> |
| <script type="text/javascript" src="t049treeparsereLexer.js"></script> |
| <script type="text/javascript" src="t049treeparsereParser.js"></script> |
| <script type="text/javascript" src="t049treeparsereWalker.js"></script> |
| <script type="text/javascript" src="t049treeparserfLexer.js"></script> |
| <script type="text/javascript" src="t049treeparserfParser.js"></script> |
| <script type="text/javascript" src="t049treeparserfWalker.js"></script> |
| <script type="text/javascript" src="t049treeparsergLexer.js"></script> |
| <script type="text/javascript" src="t049treeparsergParser.js"></script> |
| <script type="text/javascript" src="t049treeparsergWalker.js"></script> |
| <script type="text/javascript" src="t049treeparserhLexer.js"></script> |
| <script type="text/javascript" src="t049treeparserhParser.js"></script> |
| <script type="text/javascript" src="t049treeparserhWalker.js"></script> |
| <script type="text/javascript" src="t049treeparseriLexer.js"></script> |
| <script type="text/javascript" src="t049treeparseriParser.js"></script> |
| <script type="text/javascript" src="t049treeparseriWalker.js"></script> |
| |
| |
| |
| <!-- JsUnit include --> |
| <script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script> |
| |
| <!-- Test Code --> |
| <script type="text/javascript"> |
| function execTreeParser(lexerCls, parserCls, grammarEntry, walkerCls, treeEntry, xinput) |
| { |
| var cstream = new org.antlr.runtime.ANTLRStringStream(xinput), |
| lexer = new lexerCls(cstream), |
| tstream = new org.antlr.runtime.CommonTokenStream(lexer), |
| parser = new parserCls(tstream); |
| var r = parser[grammarEntry](); |
| |
| var nodes = new org.antlr.runtime.tree.CommonTreeNodeStream(r.getTree()); |
| nodes.setTokenStream(tstream); |
| var walker = new (walkerClass(walkerCls))(nodes); |
| walker[treeEntry](); |
| |
| return walker._output; |
| } |
| |
| function walkerClass(base) { |
| var TWalker = function() { |
| TWalker.superclass.constructor.apply(this, arguments); |
| this._output = ""; |
| this.traces = []; |
| }; |
| |
| org.antlr.lang.extend(TWalker, base, { |
| capture: function(t) { |
| this._output += t; |
| }, |
| traceIn: function(ruleName, ruleIndex) { |
| this.traces.push(">"+ruleName); |
| }, |
| traceOut: function(ruleName, ruleIndex) { |
| this.traces.push("<"+ruleName); |
| }, |
| recover: function(input, re) { |
| throw re; |
| } |
| }); |
| |
| return TWalker; |
| } |
| |
| function testFlatList() { |
| var found = execTreeParser(t049treeparseraLexer, |
| t049treeparseraParser, |
| "a", |
| t049treeparseraWalker, |
| "a", |
| "abc 34"); |
| assertEquals(found, "abc, 34"); |
| } |
| |
| function testSimpleTree() { |
| var found = execTreeParser(t049treeparserbLexer, |
| t049treeparserbParser, |
| "a", |
| t049treeparserbWalker, |
| "a", |
| "abc 34"); |
| assertEquals(found, "abc, 34"); |
| } |
| |
| function testFlatVsTreeDecision() { |
| var found = execTreeParser(t049treeparsercLexer, |
| t049treeparsercParser, |
| "a", |
| t049treeparsercWalker, |
| "a", |
| "a 1 b 2"); |
| assertEquals(found, "^(a 1)b 2\n"); |
| } |
| |
| function testFlatVsTreeDecision2() { |
| var found = execTreeParser(t049treeparserdLexer, |
| t049treeparserdParser, |
| "a", |
| t049treeparserdWalker, |
| "a", |
| "a 1 2 3 b 4 5"); |
| assertEquals(found, "^(a 3)b 5\n"); |
| } |
| |
| function testCyclicDFALookahead() { |
| var found = execTreeParser(t049treeparsereLexer, |
| t049treeparsereParser, |
| "a", |
| t049treeparsereWalker, |
| "a", |
| "a 1 2 3."); |
| assertEquals(found, "alt 1"); |
| } |
| |
| function testNullableChildList() { |
| var found = execTreeParser(t049treeparserfLexer, |
| t049treeparserfParser, |
| "a", |
| t049treeparserfWalker, |
| "a", |
| "abc"); |
| assertEquals(found, "abc"); |
| } |
| |
| function testNullableChildList2() { |
| var found = execTreeParser(t049treeparsergLexer, |
| t049treeparsergParser, |
| "a", |
| t049treeparsergWalker, |
| "a", |
| "abc 3;"); |
| assertEquals(found, "abc"); |
| } |
| |
| function testNullableChildList3() { |
| var found = execTreeParser(t049treeparserhLexer, |
| t049treeparserhParser, |
| "a", |
| t049treeparserhWalker, |
| "a", |
| "abc 3 def;"); |
| assertEquals(found, "abc, def"); |
| } |
| |
| function testActionsAfterRoot() { |
| var found = execTreeParser(t049treeparseriLexer, |
| t049treeparseriParser, |
| "a", |
| t049treeparseriWalker, |
| "a", |
| "abc;"); |
| assertEquals(found, "abc, 2"); |
| } |
| |
| |
| </script> |
| |
| </head> |
| <body> |
| <h1>t049treeparser</h1> |
| </body> |
| </html> |
