t056lexer.html - Android社区 - https://www.androidos.net.cn/

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<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>

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    <h1>t056lexer</h1>
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