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webkit / WebKit / 13288ca4d4796ad579254edbef155db32ee7a470 / . / JSTests / ChakraCore / test / UnifiedRegex / escapes.js
blob: ad2021859b6459f5e93f2edd73b7b872c300aecb [file] [log] [blame]
//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------
// BEGIN PRELUDE
function echo(o) {
try {
document.write(o + "<br/>");
echo = function(o) { document.write(o + "<br/>"); };
} catch (ex) {
try {
WScript.Echo("" + o);
echo = function(o) { WScript.Echo("" + o); };
} catch (ex2) {
print("" + o);
echo = function(o) { print("" + o); };
}
}
}
var suppressLastIndex = false;
var suppressRegExp = false;
var suppressIndex = false;
function safeCall(f) {
var args = [];
for (var a = 1; a < arguments.length; ++a)
args.push(arguments[a]);
try {
return f.apply(this, args);
} catch (ex) {
echo("EXCEPTION");
}
}
hex = "0123456789abcdef";
function dump(o) {
var sb = [];
if (o === null)
sb.push("null");
else if (o === undefined)
sb.push("undefined");
else if (o === true)
sb.push("true");
else if (o === false)
sb.push("false");
else if (typeof o === "number")
sb.push(o.toString());
else if (typeof o == "string") {
if (o.length > 8192)
sb.push("<long string>");
else {
sb.push("\"");
var start = -1;
for (var i = 0; i < o.length; i++) {
var c = o.charCodeAt(i);
if (c < 32 || c > 127 || c == '"'.charCodeAt(0) || c == '\\'.charCodeAt(0)) {
if (start >= 0)
sb.push(o.substring(start, i));
start = -1;
sb.push("\\u");
sb.push(String.fromCharCode(hex.charCodeAt((c >> 12) & 0xf)));
sb.push(String.fromCharCode(hex.charCodeAt((c >> 8) & 0xf)));
sb.push(String.fromCharCode(hex.charCodeAt((c >> 4) & 0xf)));
sb.push(String.fromCharCode(hex.charCodeAt((c >> 0) & 0xf)));
}
else {
if (start < 0)
start = i;
}
}
if (start >= 0)
sb.push(o.substring(start, o.length));
sb.push("\"");
}
}
else if (o instanceof RegExp) {
var body = o.source;
sb.push("/");
var start = -1;
for (var i = 0; i < body.length; i++) {
var c = body.charCodeAt(i);
if (c < 32 || c > 127) {
if (start >= 0)
sb.push(body.substring(start, i));
start = -1;
sb.push("\\u");
sb.push(String.fromCharCode(hex.charCodeAt((c >> 12) & 0xf)));
sb.push(String.fromCharCode(hex.charCodeAt((c >> 8) & 0xf)));
sb.push(String.fromCharCode(hex.charCodeAt((c >> 4) & 0xf)));
sb.push(String.fromCharCode(hex.charCodeAt((c >> 0) & 0xf)));
}
else {
if (start < 0)
start = i;
}
}
if (start >= 0)
sb.push(body.substring(start, body.length));
sb.push("/");
if (o.global)
sb.push("g");
if (o.ignoreCase)
sb.push("i");
if (o.multiline)
sb.push("m");
if (!suppressLastIndex && o.lastIndex !== undefined) {
sb.push(" /*lastIndex=");
sb.push(o.lastIndex);
sb.push("*/ ");
}
}
else if (o.length !== undefined) {
sb.push("[");
for (var i = 0; i < o.length; i++) {
if (i > 0)
sb.push(",");
sb.push(dump(o[i]));
}
sb.push("]");
if (!suppressIndex && (o.input !== undefined || o.index !== undefined))
{
sb.push(" /*input=");
sb.push(dump(o.input));
sb.push(", index=");
sb.push(dump(o.index));
// IE only
// sb.push(", lastIndex=");
// sb.push(dump(o.lastIndex));
sb.push("*/ ");
}
}
else if (o.toString !== undefined) {
sb.push("<object with toString>");
}
else
sb.push(o.toString());
return sb.join("");
}
function pre(w, origargs, n) {
var sb = [w];
sb.push("(");
for (var i = 0; i < n; i++) {
if (i > 0) sb.push(", ");
sb.push(dump(origargs[i]));
}
if (origargs.length > n) {
sb.push(", ");
sb.push(dump(origargs[n]));
origargs[0].lastIndex = origargs[n];
}
sb.push(");");
echo(sb.join(""));
}
function post(r) {
if (!suppressLastIndex) {
echo("r.lastIndex=" + dump(r.lastIndex));
}
if (!suppressRegExp) {
// IE only
// echo("RegExp.index=" + dump(RegExp.index));
// echo("RegExp.lastIndex=" + dump(RegExp.lastIndex));
var sb = [];
sb.push("RegExp.${_,1,...,9}=[");
sb.push(dump(RegExp.$_));
for (var i = 1; i <= 9; i++) {
sb.push(",");
sb.push(dump(RegExp["$" + i]));
}
sb.push("]");
echo(sb.join(""));
}
}
function exec(r, s) {
pre("exec", arguments, 2);
echo(dump(r.exec(s)));
post(r);
}
function test(r, s) {
pre("test", arguments, 2);
echo(dump(r.test(s)));
post(r);
}
function replace(r, s, o) {
pre("replace", arguments, 3);
echo(dump(s.replace(r, o)));
post(r);
}
function split(r, s) {
pre("split", arguments, 2);
echo(dump(s.split(r)));
post(r);
}
function match(r, s) {
pre("match", arguments, 2);
echo(dump(s.match(r)));
post(r);
}
function search(r, s) {
pre("search", arguments, 2);
echo(dump(s.search(r)));
post(r);
}
function bogus(r, o) {
echo("bogus(" + dump(r) + ", " + dump(o) + ");");
try { new RegExp(r, o); echo("FAILED"); } catch (e) { echo("PASSED"); }
}
// END PRELUDE
// An escape refers to group if it exists, unless the escape begins with 0, in which case it is an octal escape
exec(/\2(x)(y)/, "xy");
exec(/\02(x)(y)/, "\x02xy");
// Octal escapes can be between 1 and 3 octal characters
exec(/\2(z)/, "\x02z");
exec(/\02(z)/, "\x02z");
exec(/\002(z)/, "\x02z");
exec(/\0002(z)/, "\x002z");
// The first non-octal digit terminates the octal escape
exec(/\27(z)/, "\x17z");
exec(/\28(z)/, "\x028z");
// If the first digit is non-octal, the escape is the digit itself
exec(/\81(z)/, "81z");
// Escapes in sets can never refer to groups, and are always octal escapes
exec(/[\2](x)(y)/, "\x02xy");
exec(/[\02](x)(y)/, "\x02xy");
exec(/[\2](z)/, "\x02z");
exec(/[\02](z)/, "\x02z");
exec(/[\002](z)/, "\x02z");
exec(/[\0002](z)/, "\x00z");
exec(/[\0002](z)/, "2z");
exec(/[\27](z)/, "\x17z");
exec(/[\28](z)/, "\x02z");
exec(/[\28](z)/, "8z");
exec(/[\81](z)/, "8z");
exec(/[\81](z)/, "1z");
exec(/\1024(x)/, "\x424x");
exec(/\1024(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)(x)/, "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
// Un-escaped use of special chars
exec(/\)*/, "))))");
exec(/\|*/, "||||");
exec(/]*/, "]]]]");
exec(/{*/, "{{{{");
exec(/}*/, "}}}}");
exec(/ \**/, " ****");
exec(/\+*/, "++++");
exec(/\?*/, "????");
exec(/x{3,}/, "xxxx");
exec(/x{3,,}/, "x{3,,}");