| <!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>t010lexer</title> |
| |
| <!-- ANTLR includes --> |
| <script type="text/javascript" src="../../lib/antlr3-all.js"></script> |
| <script type="text/javascript" src="t010lexer.js"></script> |
| |
| <!-- JsUnit include --> |
| <script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script> |
| |
| <!-- Test Code --> |
| <script type="text/javascript"> |
| function TLexer() { |
| TLexer.superclass.constructor.apply(this, arguments); |
| } |
| org.antlr.lang.extend(TLexer, t010lexer, { |
| reportError: function(re) { |
| /* don't recover, just crash */ |
| throw re; |
| } |
| }); |
| |
| function testValid() { |
| var stream = new org.antlr.runtime.ANTLRStringStream("foobar _Ab98 \n A12sdf"), |
| |
| lexer = new TLexer(stream), |
| token; |
| |
| token = lexer.nextToken(); |
| assertEquals(token.getType(), lexer.IDENTIFIER); |
| assertEquals(token.getStartIndex(), 0); |
| assertEquals(token.getStopIndex(), 5); |
| assertEquals(token.getText(), "foobar"); |
| |
| token = lexer.nextToken(); |
| assertEquals(token.getType(), lexer.WS); |
| assertEquals(token.getStartIndex(), 6); |
| assertEquals(token.getStopIndex(), 6); |
| assertEquals(token.getText(), ' '); |
| |
| token = lexer.nextToken(); |
| assertEquals(token.getType(), lexer.IDENTIFIER); |
| assertEquals(token.getStartIndex(), 7); |
| assertEquals(token.getStopIndex(), 11); |
| assertEquals(token.getText(), '_Ab98'); |
| |
| token = lexer.nextToken(); |
| assertEquals(token.getType(), lexer.WS); |
| assertEquals(token.getStartIndex(), 12); |
| assertEquals(token.getStopIndex(), 14); |
| assertEquals(token.getText(), " \n "); |
| |
| token = lexer.nextToken(); |
| assertEquals(token.getType(), lexer.IDENTIFIER); |
| assertEquals(token.getStartIndex(), 15); |
| assertEquals(token.getStopIndex(), 20); |
| assertEquals(token.getText(), 'A12sdf'); |
| |
| token = lexer.nextToken(); |
| assertEquals(token.getType(), lexer.EOF); |
| } |
| |
| function testMalformedInput() { |
| var stream = new org.antlr.runtime.ANTLRStringStream('a-b'), |
| lexer = new TLexer(stream), |
| token; |
| |
| lexer.nextToken(); |
| try { |
| token = lexer.nextToken(); |
| fail("nextToken should have thrown error on invalid input"); |
| } catch (e) { |
| assert(e instanceof org.antlr.runtime.NoViableAltException); |
| assertEquals(e.getUnexpectedType(), '-'); |
| assertEquals(e.charPositionInLine, 1); |
| assertEquals(e.line, 1); |
| } |
| } |
| </script> |
| |
| </head> |
| <body> |
| <h1>t010lexer</h1> |
| </body> |
