1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/js1_8_5/extensions/shell.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,212 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/*
1.6 + * Any copyright is dedicated to the Public Domain.
1.7 + * http://creativecommons.org/licenses/publicdomain/
1.8 + */
1.9 +
1.10 +
1.11 +// The Worker constructor can take a relative URL, but different test runners
1.12 +// run in different enough environments that it doesn't all just automatically
1.13 +// work. For the shell, we use just a filename; for the browser, see browser.js.
1.14 +var workerDir = '';
1.15 +
1.16 +// explicitly turn on js185
1.17 +// XXX: The browser currently only supports up to version 1.8
1.18 +if (typeof version != 'undefined')
1.19 +{
1.20 + version(185);
1.21 +}
1.22 +
1.23 +// A little pattern-matching library.
1.24 +var Match =
1.25 +
1.26 +(function() {
1.27 +
1.28 + function Pattern(template) {
1.29 + // act like a constructor even as a function
1.30 + if (!(this instanceof Pattern))
1.31 + return new Pattern(template);
1.32 +
1.33 + this.template = template;
1.34 + }
1.35 +
1.36 + Pattern.prototype = {
1.37 + match: function(act) {
1.38 + return match(act, this.template);
1.39 + },
1.40 +
1.41 + matches: function(act) {
1.42 + try {
1.43 + return this.match(act);
1.44 + }
1.45 + catch (e if e instanceof MatchError) {
1.46 + return false;
1.47 + }
1.48 + },
1.49 +
1.50 + assert: function(act, message) {
1.51 + try {
1.52 + return this.match(act);
1.53 + }
1.54 + catch (e if e instanceof MatchError) {
1.55 + throw new Error((message || "failed match") + ": " + e.message);
1.56 + }
1.57 + },
1.58 +
1.59 + toString: function() "[object Pattern]"
1.60 + };
1.61 +
1.62 + Pattern.ANY = new Pattern;
1.63 + Pattern.ANY.template = Pattern.ANY;
1.64 +
1.65 + var quote = uneval;
1.66 +
1.67 + function MatchError(msg) {
1.68 + this.message = msg;
1.69 + }
1.70 +
1.71 + MatchError.prototype = {
1.72 + toString: function() {
1.73 + return "match error: " + this.message;
1.74 + }
1.75 + };
1.76 +
1.77 + function isAtom(x) {
1.78 + return (typeof x === "number") ||
1.79 + (typeof x === "string") ||
1.80 + (typeof x === "boolean") ||
1.81 + (x === null) ||
1.82 + (typeof x === "object" && x instanceof RegExp);
1.83 + }
1.84 +
1.85 + function isObject(x) {
1.86 + return (x !== null) && (typeof x === "object");
1.87 + }
1.88 +
1.89 + function isArrayLike(x) {
1.90 + return isObject(x) && ("length" in x);
1.91 + }
1.92 +
1.93 + function matchAtom(act, exp) {
1.94 + if ((typeof exp) === "number" && isNaN(exp)) {
1.95 + if ((typeof act) !== "number" || !isNaN(act))
1.96 + throw new MatchError("expected NaN, got: " + quote(act));
1.97 + return true;
1.98 + }
1.99 +
1.100 + if (exp === null) {
1.101 + if (act !== null)
1.102 + throw new MatchError("expected null, got: " + quote(act));
1.103 + return true;
1.104 + }
1.105 +
1.106 + if (exp instanceof RegExp) {
1.107 + if (!(act instanceof RegExp) || exp.source !== act.source)
1.108 + throw new MatchError("expected " + quote(exp) + ", got: " + quote(act));
1.109 + return true;
1.110 + }
1.111 +
1.112 + switch (typeof exp) {
1.113 + case "string":
1.114 + if (act !== exp)
1.115 + throw new MatchError("expected " + exp.quote() + ", got " + quote(act));
1.116 + return true;
1.117 + case "boolean":
1.118 + case "number":
1.119 + if (exp !== act)
1.120 + throw new MatchError("expected " + exp + ", got " + quote(act));
1.121 + return true;
1.122 + }
1.123 +
1.124 + throw new Error("bad pattern: " + exp.toSource());
1.125 + }
1.126 +
1.127 + function matchObject(act, exp) {
1.128 + if (!isObject(act))
1.129 + throw new MatchError("expected object, got " + quote(act));
1.130 +
1.131 + for (var key in exp) {
1.132 + if (!(key in act))
1.133 + throw new MatchError("expected property " + key.quote() + " not found in " + quote(act));
1.134 + match(act[key], exp[key]);
1.135 + }
1.136 +
1.137 + return true;
1.138 + }
1.139 +
1.140 + function matchArray(act, exp) {
1.141 + if (!isObject(act) || !("length" in act))
1.142 + throw new MatchError("expected array-like object, got " + quote(act));
1.143 +
1.144 + var length = exp.length;
1.145 + if (act.length !== exp.length)
1.146 + throw new MatchError("expected array-like object of length " + length + ", got " + quote(act));
1.147 +
1.148 + for (var i = 0; i < length; i++) {
1.149 + if (i in exp) {
1.150 + if (!(i in act))
1.151 + throw new MatchError("expected array property " + i + " not found in " + quote(act));
1.152 + match(act[i], exp[i]);
1.153 + }
1.154 + }
1.155 +
1.156 + return true;
1.157 + }
1.158 +
1.159 + function match(act, exp) {
1.160 + if (exp === Pattern.ANY)
1.161 + return true;
1.162 +
1.163 + if (exp instanceof Pattern)
1.164 + return exp.match(act);
1.165 +
1.166 + if (isAtom(exp))
1.167 + return matchAtom(act, exp);
1.168 +
1.169 + if (isArrayLike(exp))
1.170 + return matchArray(act, exp);
1.171 +
1.172 + return matchObject(act, exp);
1.173 + }
1.174 +
1.175 + return { Pattern: Pattern,
1.176 + MatchError: MatchError };
1.177 +
1.178 +})();
1.179 +
1.180 +function referencesVia(from, edge, to) {
1.181 + edge = "edge: " + edge;
1.182 + var edges = findReferences(to);
1.183 + if (edge in edges && edges[edge].indexOf(from) != -1)
1.184 + return true;
1.185 +
1.186 + // Be nice: make it easy to fix if the edge name has just changed.
1.187 + var alternatives = [];
1.188 + for (var e in edges) {
1.189 + if (edges[e].indexOf(from) != -1)
1.190 + alternatives.push(e);
1.191 + }
1.192 + if (alternatives.length == 0) {
1.193 + print("referent not referred to by referrer after all");
1.194 + } else {
1.195 + print("referent is not referenced via: " + uneval(edge));
1.196 + print("but it is referenced via: " + uneval(alternatives));
1.197 + }
1.198 + print("all incoming edges, from any object:");
1.199 + for (var e in edges)
1.200 + print(e);
1.201 + return false;
1.202 +}
1.203 +
1.204 +// Note that AsmJS ArrayBuffers have a minimum size, currently 4096 bytes. If a
1.205 +// smaller size is given, a regular ArrayBuffer will be returned instead.
1.206 +function AsmJSArrayBuffer(size) {
1.207 + var ab = new ArrayBuffer(size);
1.208 + (new Function('global', 'foreign', 'buffer', '' +
1.209 +' "use asm";' +
1.210 +' var i32 = new global.Int32Array(buffer);' +
1.211 +' function g() {};' +
1.212 +' return g;' +
1.213 +''))(Function("return this")(),null,ab);
1.214 + return ab;
1.215 +}
