| <!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>t056lexer</title> |
| |
| <!-- ANTLR includes --> |
| <script type="text/javascript" src="../../lib/antlr3-all.js"></script> |
| <script type="text/javascript" src="t056lexer1Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer1Parser.js"></script> |
| <script type="text/javascript" src="t056lexer2Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer2Parser.js"></script> |
| <script type="text/javascript" src="t056lexer3Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer3Parser.js"></script> |
| <script type="text/javascript" src="t056lexer4Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer4Parser.js"></script> |
| <script type="text/javascript" src="t056lexer5Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer5Parser.js"></script> |
| <script type="text/javascript" src="t056lexer6Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer6Parser.js"></script> |
| <script type="text/javascript" src="t056lexer7Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer7Parser.js"></script> |
| <script type="text/javascript" src="t056lexer8Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer8Parser.js"></script> |
| <script type="text/javascript" src="t056lexer9Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer9Parser.js"></script> |
| <script type="text/javascript" src="t056lexer10Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer10Parser.js"></script> |
| <script type="text/javascript" src="t056lexer11Lexer.js"></script> |
| <script type="text/javascript" src="t056lexer11Parser.js"></script> |
| <script type="text/javascript" src="t056lexer12.js"></script> |
| <script type="text/javascript" src="t056lexer13.js"></script> |
| <script type="text/javascript" src="t056lexer14.js"></script> |
| <script type="text/javascript" src="t056lexer15.js"></script> |
| |
| <!-- JsUnit include --> |
| <script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script> |
| |
| <!-- Test Code --> |
| <script type="text/javascript"> |
| function execParser(lexerCls, parserCls, grammarEntry, xinput) |
| { |
| var cstream = new org.antlr.runtime.ANTLRStringStream(xinput), |
| lexer = new lexerCls(cstream), |
| tstream = new org.antlr.runtime.CommonTokenStream(lexer), |
| parser = new parserCls(tstream), |
| output = ""; |
| lexer.xlog = function(msg){output += msg;}; |
| parser.xlog = lexer.xlog; |
| var r = parser[grammarEntry](); |
| |
| return output; |
| } |
| |
| function execLexer(lexerCls, xinput) { |
| var token, |
| cstream = new org.antlr.runtime.ANTLRStringStream(xinput), |
| lexer = new lexerCls(cstream); |
| do { |
| token = lexer.nextToken(); |
| } while (token.getType()!==lexer.EOF); |
| } |
| |
| function testSetText() { |
| var found = execParser(t056lexer1Lexer, t056lexer1Parser, "a", "\\t"); |
| assertEquals(" ", found); |
| } |
| |
| function testRefToRuleDoesNotSetTokenNorEmitAnother() { |
| // this must return A not I to the parser; calling a nonfragment rule |
| // from a nonfragment rule does not set the overall token. |
| var found = execParser(t056lexer2Lexer, t056lexer2Parser, "a", "-34"); |
| assertEquals("-34", found); |
| } |
| |
| function testRefToRuleDoesNotSetChannel() { |
| // this must set channel of A to HIDDEN. $channel is local to rule |
| // like $type. |
| var found = execParser(t056lexer3Lexer, t056lexer3Parser, "a", "- 34"); |
| assertEquals("- 34, channel=0", found); |
| } |
| |
| function testWeCanSetType() { |
| var found = execParser(t056lexer4Lexer, t056lexer4Parser, "a", "-34"); |
| assertEquals("-34", found); |
| } |
| |
| function testRefToFragment() { |
| // this must return A not I to the parser; calling a nonfragment rule |
| // from a nonfragment rule does not set the overall token. |
| var found = execParser(t056lexer5Lexer, t056lexer5Parser, "a", "-34"); |
| assertEquals("-34", found); |
| } |
| |
| function testMultipleRefToFragment() { |
| // this must return A not I to the parser; calling a nonfragment rule |
| // from a nonfragment rule does not set the overall token. |
| var found = execParser(t056lexer6Lexer, t056lexer6Parser, "a", "3.14159"); |
| assertEquals("3.14159", found); |
| } |
| |
| function testLabelInSubrule() { |
| // can we see v outside? |
| var found = execParser(t056lexer7Lexer, t056lexer7Parser, "a", "hi 342"); |
| assertEquals("342", found); |
| } |
| |
| function testRefToTokenInLexer() { |
| var found = execParser(t056lexer8Lexer, t056lexer8Parser, "a", "342"); |
| assertEquals("342", found); |
| } |
| |
| function testListLabelInLexer() { |
| var found = execParser(t056lexer9Lexer, t056lexer9Parser, "a", "33 297"); |
| assertEquals(" 33 297", found); |
| } |
| |
| function testDupListRefInLexer() { |
| var found = execParser(t056lexer10Lexer, t056lexer10Parser, "a", "33 297"); |
| assertEquals(" 33 297", found); |
| } |
| |
| function testCharLabelInLexer() { |
| var found = execParser(t056lexer11Lexer, t056lexer11Parser, "a", "a"); |
| assertEquals("a", found); |
| } |
| |
| function testRepeatedLabelInLexer() { |
| execLexer(t056lexer12, "ababab"); |
| } |
| |
| function testRepeatedRuleLabelInLexer() { |
| execLexer(t056lexer13, "aa"); |
| } |
| |
| function testIsolatedEOTEdge() { |
| execLexer(t056lexer14, "qbalogna!q"); |
| } |
| |
| function testEscapedLiterals() { |
| execLexer(t056lexer15, "\\\""); |
| } |
| </script> |
| |
| </head> |
| <body> |
| <h1>t056lexer</h1> |
| </body> |
| </html> |
| |
