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77 lines
2.5 KiB
77 lines
2.5 KiB
4 months ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<meta http-equiv="content-type" content="text/html;charset=utf-8" />
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<title>t044trace</title>
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<!-- ANTLR includes -->
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<script type="text/javascript" src="../../lib/antlr3-all.js"></script>
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<script type="text/javascript" src="t044traceLexer.js"></script>
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<script type="text/javascript" src="t044traceParser.js"></script>
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<!-- JsUnit include -->
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<script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script>
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<!-- Test Code -->
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<script type="text/javascript">
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var TLexer = function() {
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TLexer.superclass.constructor.apply(this, arguments);
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this.traces = [];
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};
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org.antlr.lang.extend(TLexer, t044traceLexer, {
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traceIn: function(ruleName, ruleIndex) {
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this.traces.push(">"+ruleName);
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},
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traceOut: function(ruleName, ruleIndex) {
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this.traces.push("<"+ruleName);
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},
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recover: function(re) {
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/* don't recover, just crash */
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throw re;
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}
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});
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var TParser = function() {
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TParser.superclass.constructor.apply(this, arguments);
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this.traces = [];
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};
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org.antlr.lang.extend(TParser, t044traceParser, {
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traceIn: function(ruleName, ruleIndex) {
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this.traces.push(">"+ruleName);
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},
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traceOut: function(ruleName, ruleIndex) {
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this.traces.push("<"+ruleName);
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},
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recover: function(re) {
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/* don't recover, just crash */
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throw re;
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}
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});
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function testTrace() {
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var cstream = new org.antlr.runtime.ANTLRStringStream('< 1 + 2 + 3 >'),
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lexer = new TLexer(cstream),
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tstream = new org.antlr.runtime.CommonTokenStream(lexer),
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parser = new TParser(tstream);
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parser.a();
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assertArrayEquals(lexer.traces,
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[ '>T__6', '<T__6', '>WS', '<WS', '>INT', '<INT', '>WS', '<WS',
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'>T__8', '<T__8', '>WS', '<WS', '>INT', '<INT', '>WS', '<WS',
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'>T__8', '<T__8', '>WS', '<WS', '>INT', '<INT', '>WS', '<WS',
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'>T__7', '<T__7']
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);
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assertArrayEquals(parser.traces,
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[ '>a', '>synpred1_t044trace_fragment', '<synpred1_t044trace_fragment', '>b', '>c',
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'<c', '>c', '<c', '>c', '<c', '<b', '<a' ]
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);
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}
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</script>
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</head>
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<body>
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<h1>t044trace</h1>
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</body>
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</html>
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