t052import.html - Android社区 - https://www.androidos.net.cn/

<!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>t052import</title>

<!-- ANTLR includes -->
<script type="text/javascript" src="../../lib/antlr3-all.js"></script>

<script type="text/javascript" src="t052importS1.js"></script>
<script type="text/javascript" src="t052importM1_t052importS1.js"></script>
<script type="text/javascript" src="t052importM1Lexer.js"></script>
<script type="text/javascript" src="t052importM1Parser.js"></script>

<script type="text/javascript" src="t052importS2.js"></script>
<script type="text/javascript" src="t052importM2_t052importS2.js"></script>
<script type="text/javascript" src="t052importM2Lexer.js"></script>
<script type="text/javascript" src="t052importM2Parser.js"></script>

<script type="text/javascript" src="t052importS3.js"></script>
<script type="text/javascript" src="t052importM3_t052importS3.js"></script>
<script type="text/javascript" src="t052importM3Lexer.js"></script>
<script type="text/javascript" src="t052importM3Parser.js"></script>

<script type="text/javascript" src="t052importS4.js"></script>
<script type="text/javascript" src="t052importT4.js"></script>
<script type="text/javascript" src="t052importM4_t052importS4.js"></script>
<script type="text/javascript" src="t052importM4_t052importT4.js"></script>
<script type="text/javascript" src="t052importM4Lexer.js"></script>
<script type="text/javascript" src="t052importM4Parser.js"></script>

<script type="text/javascript" src="t052importS5.js"></script>
<script type="text/javascript" src="t052importT5.js"></script>
<script type="text/javascript" src="t052importM5_t052importS5.js"></script>
<script type="text/javascript" src="t052importM5_t052importT5.js"></script>
<script type="text/javascript" src="t052importM5Lexer.js"></script>
<script type="text/javascript" src="t052importM5Parser.js"></script>

<script type="text/javascript" src="t052importS6.js"></script>
<script type="text/javascript" src="t052importM6_t052importS6.js"></script>
<script type="text/javascript" src="t052importM6Lexer.js"></script>
<script type="text/javascript" src="t052importM6Parser.js"></script>

<script type="text/javascript" src="t052importS7.js"></script>
<script type="text/javascript" src="t052importM7_t052importS7.js"></script>
<script type="text/javascript" src="t052importM7.js"></script>

<script type="text/javascript" src="t052importS8.js"></script>
<script type="text/javascript" src="t052importM8_t052importS8.js"></script>
<script type="text/javascript" src="t052importM8.js"></script>

<!-- JsUnit include -->
<script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script>

<!-- Test Code -->
<script type="text/javascript">
    // Parser Tests

    function execLexer(lexerCls, xinput) {
        var cstream = new org.antlr.runtime.ANTLRStringStream(xinput),
            lexer = new (EnhancedParser(lexerCls))(cstream),
            token;

        while (true) {
            token = lexer.nextToken();
            if (!token || token.getType()===org.antlr.runtime.Token.EOF) {
                break;
            }
            lexer.buf += token.getText();
        }

        return lexer.buf; 
    }

    function execParser(lexerCls, parserCls, grammarEntry, xinput) {
        var cstream = new org.antlr.runtime.ANTLRStringStream(xinput),
            lexer = new (EnhancedParser(lexerCls))(cstream),
            tstream = new org.antlr.runtime.CommonTokenStream(lexer),
            parser = new (EnhancedParser(parserCls))(tstream);
        var r = parser[grammarEntry]();

        return parser.buf; 
    }

    function EnhancedParser(base) {
        var T = function() {
            T.superclass.constructor.apply(this, arguments);
            this.traces = [];
            this.buf = "";
        };

        org.antlr.lang.extend(T, base, {
            capture: function(t) {
                this.buf += t;
            },
            traceIn: function(ruleName, ruleIndex) {
                this.traces.push(">"+ruleName);
            },
            traceOut: function(ruleName, ruleIndex) {
                this.traces.push("<"+ruleName);
            },
            reportError: function(input, re) {
                throw re;
            }
        });

        return T;
    }

    function testDelegatorInvokesDelegateRule() {
        var found = execParser(t052importM1Lexer,
                t052importM1Parser,
                "s",
                "b");
        assertEquals("S.a", found);
    }

    function testDelegatorInvokesDelegateRuleWithArgs() {
        var found = execParser(t052importM2Lexer,
                t052importM2Parser,
                "s",
                "b");
        assertEquals("S.a1000", found);
    }

    function testDelegatorAccessesDelegateMembers() {
        var found = execParser(t052importM3Lexer,
                t052importM3Parser,
                "s",
                "b");
        assertEquals("foo", found);
    }

    function testDelegatorInvokesFirstVersionOfDelegateRule() {
        var found = execParser(t052importM4Lexer,
                t052importM4Parser,
                "s",
                "b");
        assertEquals("S.a", found);
    }

    function testDelegatesSeeSameTokenType() {
        var found = execParser(t052importM5Lexer,
                t052importM5Parser,
                "s",
                "aa");
        assertEquals("S.x T.y", found);
    }

    function testDelegatorRuleOverridesDelegate() {
        var found = execParser(t052importM6Lexer,
                t052importM6Parser,
                "a",
                "c");
        assertEquals("S.a", found);
    }

    // Lexer Tests

    function testLexerDelegatorInvokesDelegateRule() {
        var found = execLexer(t052importM7, "abc");
        assertEquals("S.A abc", found);
    }

    function testLexerDelegatorRuleOverridesDelegate() {
        var found = execLexer(t052importM8, "a");
        assertEquals("M.A a", found);
    }
</script>

</head>
<body>
    <h1>t052import</h1>
</body>
</html>