xref: /aosp_15_r20/external/antlr/runtime/JavaScript/tests/functional/t017parser.html (revision 16467b971bd3e2009fad32dd79016f2c7e421deb)
1*16467b97STreehugger Robot<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2*16467b97STreehugger Robot<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
3*16467b97STreehugger Robot<head>
4*16467b97STreehugger Robot<meta http-equiv="content-type" content="text/html;charset=utf-8" />
5*16467b97STreehugger Robot<title>t017parser</title>
6*16467b97STreehugger Robot
7*16467b97STreehugger Robot<!-- ANTLR includes -->
8*16467b97STreehugger Robot<script type="text/javascript" src="../../lib/antlr3-all.js"></script>
9*16467b97STreehugger Robot<script type="text/javascript" src="t017parserLexer.js"></script>
10*16467b97STreehugger Robot<script type="text/javascript" src="t017parserParser.js"></script>
11*16467b97STreehugger Robot
12*16467b97STreehugger Robot
13*16467b97STreehugger Robot<!-- JsUnit include -->
14*16467b97STreehugger Robot<script type="text/javascript" src="../jsunit/app/jsUnitCore.js"></script>
15*16467b97STreehugger Robot
16*16467b97STreehugger Robot<!-- Test Code -->
17*16467b97STreehugger Robot<script type="text/javascript">
18*16467b97STreehugger Robot    TestParser = function() {
19*16467b97STreehugger Robot        TestParser.superclass.constructor.apply(this, arguments);
20*16467b97STreehugger Robot        this.reportedErrors = [];
21*16467b97STreehugger Robot    };
22*16467b97STreehugger Robot    org.antlr.lang.extend(TestParser, t017parserParser, {
23*16467b97STreehugger Robot        emitErrorMessage: function(msg) {
24*16467b97STreehugger Robot            this.reportedErrors.push(msg);
25*16467b97STreehugger Robot        }
26*16467b97STreehugger Robot    });
27*16467b97STreehugger Robot
28*16467b97STreehugger Robot    function testValid() {
29*16467b97STreehugger Robot        var cstream = new org.antlr.runtime.ANTLRStringStream("int foo;"),
30*16467b97STreehugger Robot            lexer = new t017parserLexer(cstream),
31*16467b97STreehugger Robot            tstream = new org.antlr.runtime.CommonTokenStream(lexer),
32*16467b97STreehugger Robot            parser = new TestParser(tstream);
33*16467b97STreehugger Robot
34*16467b97STreehugger Robot        parser.program();
35*16467b97STreehugger Robot        assertEquals(parser.reportedErrors.length, 0);
36*16467b97STreehugger Robot    }
37*16467b97STreehugger Robot
38*16467b97STreehugger Robot    function testMalformedInput1() {
39*16467b97STreehugger Robot        var cstream = new org.antlr.runtime.ANTLRStringStream("int foo() { 1+2 }");
40*16467b97STreehugger Robot            lexer = new t017parserLexer(cstream),
41*16467b97STreehugger Robot            tstream = new org.antlr.runtime.CommonTokenStream(lexer),
42*16467b97STreehugger Robot            parser = new TestParser(tstream);
43*16467b97STreehugger Robot
44*16467b97STreehugger Robot        parser.program();
45*16467b97STreehugger Robot        assertEquals(parser.reportedErrors.length, 1);
46*16467b97STreehugger Robot        assertEquals(parser.reportedErrors[0].indexOf("line 1:16"), 0);
47*16467b97STreehugger Robot    }
48*16467b97STreehugger Robot
49*16467b97STreehugger Robot    function testMalformedInput2() {
50*16467b97STreehugger Robot        var cstream = new org.antlr.runtime.ANTLRStringStream("int foo() { 1+; 1+2 }"),
51*16467b97STreehugger Robot            lexer = new t017parserLexer(cstream),
52*16467b97STreehugger Robot            tstream = new org.antlr.runtime.CommonTokenStream(lexer),
53*16467b97STreehugger Robot            parser = new TestParser(tstream);
54*16467b97STreehugger Robot
55*16467b97STreehugger Robot        parser.program();
56*16467b97STreehugger Robot        assertEquals(parser.reportedErrors.length, 2);
57*16467b97STreehugger Robot        assertEquals(parser.reportedErrors[0].indexOf("line 1:14"), 0);
58*16467b97STreehugger Robot        assertEquals(parser.reportedErrors[1].indexOf("line 1:20"), 0);
59*16467b97STreehugger Robot    }
60*16467b97STreehugger Robot
61*16467b97STreehugger Robot
62*16467b97STreehugger Robot</script>
63*16467b97STreehugger Robot
64*16467b97STreehugger Robot</head>
65*16467b97STreehugger Robot<body>
66*16467b97STreehugger Robot    <h1>t017parser</h1>
67*16467b97STreehugger Robot</body>
68*16467b97STreehugger Robot</html>
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