xref: /aosp_15_r20/external/antlr/runtime/JavaScript/tests/functional/t046rewrite.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>t046rewrite</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="t046rewriteLexer.js"></script>
10*16467b97STreehugger Robot<script type="text/javascript" src="t046rewriteParser.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    var TLexer = function() {
19*16467b97STreehugger Robot        TLexer.superclass.constructor.apply(this, arguments);
20*16467b97STreehugger Robot    };
21*16467b97STreehugger Robot    org.antlr.lang.extend(TLexer, t046rewriteLexer, {
22*16467b97STreehugger Robot        recover: function(re) {
23*16467b97STreehugger Robot            /* don't recover, just crash */
24*16467b97STreehugger Robot            throw re;
25*16467b97STreehugger Robot        }
26*16467b97STreehugger Robot    });
27*16467b97STreehugger Robot
28*16467b97STreehugger Robot    var TParser = function() {
29*16467b97STreehugger Robot        TParser.superclass.constructor.apply(this, arguments);
30*16467b97STreehugger Robot    };
31*16467b97STreehugger Robot    org.antlr.lang.extend(TParser, t046rewriteParser, {
32*16467b97STreehugger Robot        recover: function(re) {
33*16467b97STreehugger Robot            /* don't recover, just crash */
34*16467b97STreehugger Robot            throw re;
35*16467b97STreehugger Robot        }
36*16467b97STreehugger Robot    });
37*16467b97STreehugger Robot
38*16467b97STreehugger Robot
39*16467b97STreehugger Robot    function testValid1() {
40*16467b97STreehugger Robot        var xinput = [
41*16467b97STreehugger Robot                        "method foo() {",
42*16467b97STreehugger Robot                        "  i = 3;",
43*16467b97STreehugger Robot                        "  k = i;",
44*16467b97STreehugger Robot                        "  i = k*4;",
45*16467b97STreehugger Robot                        "}",
46*16467b97STreehugger Robot                        "",
47*16467b97STreehugger Robot                        "method bar() {",
48*16467b97STreehugger Robot                        "  j = i*2;",
49*16467b97STreehugger Robot                        "}"
50*16467b97STreehugger Robot                     ].join("\n");
51*16467b97STreehugger Robot        var xoutput = [
52*16467b97STreehugger Robot                        "public class Wrapper {",
53*16467b97STreehugger Robot                        "public void foo() {",
54*16467b97STreehugger Robot                        "int k;",
55*16467b97STreehugger Robot                        "int i;",
56*16467b97STreehugger Robot                        "  i = 3;",
57*16467b97STreehugger Robot                        "  k = i;",
58*16467b97STreehugger Robot                        "  i = k*4;",
59*16467b97STreehugger Robot                        "}",
60*16467b97STreehugger Robot                        "",
61*16467b97STreehugger Robot                        "public void bar() {",
62*16467b97STreehugger Robot                        "int j;",
63*16467b97STreehugger Robot                        "  j = i*2;",
64*16467b97STreehugger Robot                        "}",
65*16467b97STreehugger Robot                        "}",
66*16467b97STreehugger Robot                        ""
67*16467b97STreehugger Robot                      ].join("\n");
68*16467b97STreehugger Robot
69*16467b97STreehugger Robot        var cstream = new org.antlr.runtime.ANTLRStringStream(xinput),
70*16467b97STreehugger Robot            lexer = new TLexer(cstream),
71*16467b97STreehugger Robot            tstream = new org.antlr.runtime.TokenRewriteStream(lexer),
72*16467b97STreehugger Robot            parser = new TParser(tstream);
73*16467b97STreehugger Robot        parser.program();
74*16467b97STreehugger Robot        assertEquals(tstream.toString(), xoutput);
75*16467b97STreehugger Robot    }
76*16467b97STreehugger Robot</script>
77*16467b97STreehugger Robot
78*16467b97STreehugger Robot</head>
79*16467b97STreehugger Robot<body>
80*16467b97STreehugger Robot    <h1>t046rewrite</h1>
81*16467b97STreehugger Robot</body>
82*16467b97STreehugger Robot</html>
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