Merge branch 'master' into harmony

Conflicts:
	lib/compress.js
This commit is contained in:
Richard van Velzen
2015-10-12 08:52:34 +02:00
15 changed files with 407 additions and 138 deletions

View File

@@ -4,7 +4,7 @@ node_js:
- "iojs"
- "0.12"
- "0.10"
- "0.8"
- "4"
matrix:
fast_finish: true
sudo: false

View File

@@ -254,7 +254,6 @@ if (ARGS.self) {
}
files = UglifyJS.FILES;
if (!ARGS.wrap) ARGS.wrap = "UglifyJS";
ARGS.export_all = true;
}
var ORIG_MAP = ARGS.in_source_map;
@@ -402,17 +401,14 @@ async.eachLimit(files, 1, function (file, cb) {
writeNameCache("props", cache);
})();
var SCOPE_IS_NEEDED = COMPRESS || MANGLE || ARGS.lint;
var TL_CACHE = readNameCache("vars");
if (SCOPE_IS_NEEDED) {
time_it("scope", function(){
TOPLEVEL.figure_out_scope({ screw_ie8: ARGS.screw_ie8, cache: TL_CACHE });
if (ARGS.lint) {
TOPLEVEL.scope_warnings();
}
});
}
if (COMPRESS) {
time_it("squeeze", function(){
@@ -420,14 +416,12 @@ async.eachLimit(files, 1, function (file, cb) {
});
}
if (SCOPE_IS_NEEDED) {
time_it("scope", function(){
TOPLEVEL.figure_out_scope({ screw_ie8: ARGS.screw_ie8, cache: TL_CACHE });
if (MANGLE && !TL_CACHE) {
TOPLEVEL.compute_char_frequency(MANGLE);
}
});
}
if (MANGLE) time_it("mangle", function(){
MANGLE.cache = TL_CACHE;

View File

@@ -81,6 +81,7 @@ function DEFNODE(type, props, methods, base) {
ctor.DEFMETHOD = function(name, method) {
this.prototype[name] = method;
};
exports["AST_" + type] = ctor;
return ctor;
};
@@ -333,12 +334,11 @@ var AST_Toplevel = DEFNODE("Toplevel", "globals", {
}
}));
}
var wrapped_tl = "(function(exports, global){ global['" + name + "'] = exports; '$ORIG'; '$EXPORTS'; }({}, (function(){return this}())))";
var wrapped_tl = "(function(exports, global){ '$ORIG'; '$EXPORTS'; global['" + name + "'] = exports; }({}, (function(){return this}())))";
wrapped_tl = parse(wrapped_tl);
wrapped_tl = wrapped_tl.transform(new TreeTransformer(function before(node){
if (node instanceof AST_SimpleStatement) {
node = node.body;
if (node instanceof AST_String) switch (node.getValue()) {
if (node instanceof AST_Directive) {
switch (node.value) {
case "$ORIG":
return MAP.splice(self.body);
case "$EXPORTS":
@@ -1027,10 +1027,11 @@ var AST_String = DEFNODE("String", "value quote", {
}
}, AST_Constant);
var AST_Number = DEFNODE("Number", "value", {
var AST_Number = DEFNODE("Number", "value literal", {
$documentation: "A number literal",
$propdoc: {
value: "[number] the numeric value"
value: "[number] the numeric value",
literal: "[string] numeric value as string (optional)"
}
}, AST_Constant);

View File

@@ -61,7 +61,7 @@ function Compressor(options, false_by_default) {
loops : !false_by_default,
unused : !false_by_default,
hoist_funs : !false_by_default,
keep_fargs : false,
keep_fargs : true,
keep_fnames : false,
hoist_vars : false,
if_return : !false_by_default,
@@ -111,6 +111,7 @@ merge(Compressor.prototype, {
node.DEFMETHOD("optimize", function(compressor){
var self = this;
if (self._optimized) return self;
if (compressor.has_directive("use asm")) return self;
var opt = optimizer(self, compressor);
opt._optimized = true;
if (opt === self) return opt;
@@ -1039,6 +1040,7 @@ merge(Compressor.prototype, {
AST_Scope.DEFMETHOD("drop_unused", function(compressor){
var self = this;
if (compressor.has_directive("use asm")) return self;
if (compressor.option("unused")
&& !(self instanceof AST_Toplevel)
&& !self.uses_eval
@@ -1101,7 +1103,7 @@ merge(Compressor.prototype, {
var tt = new TreeTransformer(
function before(node, descend, in_list) {
if (node instanceof AST_Lambda && !(node instanceof AST_Accessor)) {
if (compressor.option("unsafe") && !compressor.option("keep_fargs")) {
if (!compressor.option("keep_fargs")) {
for (var a = node.argnames, i = a.length; --i >= 0;) {
if (a[i] instanceof AST_Destructuring) {
// Do not drop destructuring arguments.
@@ -1232,10 +1234,14 @@ merge(Compressor.prototype, {
});
AST_Scope.DEFMETHOD("hoist_declarations", function(compressor){
var self = this;
if (compressor.has_directive("use asm")) return self;
// Hoisting makes no sense in an arrow func
if (!Array.isArray(self.body)) return self;
var hoist_funs = compressor.option("hoist_funs");
var hoist_vars = compressor.option("hoist_vars");
var self = this;
if (!(self.body instanceof Array)) { return self; } // Hoisting makes no sense in an arrow func
if (hoist_funs || hoist_vars) {
var dirs = [];
var hoisted = [];
@@ -2072,15 +2078,14 @@ merge(Compressor.prototype, {
var commutativeOperators = makePredicate("== === != !== * & | ^");
OPT(AST_Binary, function(self, compressor){
var reverse = compressor.has_directive("use asm") ? noop
: function(op, force) {
function reverse(op, force) {
if (force || !(self.left.has_side_effects(compressor) || self.right.has_side_effects(compressor))) {
if (op) self.operator = op;
var tmp = self.left;
self.left = self.right;
self.right = tmp;
}
};
}
if (commutativeOperators(self.operator)) {
if (self.right instanceof AST_Constant
&& !(self.left instanceof AST_Constant)) {
@@ -2148,10 +2153,10 @@ merge(Compressor.prototype, {
if (compressor.option("conditionals")) {
if (self.operator == "&&") {
var ll = self.left.evaluate(compressor);
var rr = self.right.evaluate(compressor);
if (ll.length > 1) {
if (ll[1]) {
compressor.warn("Condition left of && always true [{file}:{line},{col}]", self.start);
var rr = self.right.evaluate(compressor);
return rr[0];
} else {
compressor.warn("Condition left of && always false [{file}:{line},{col}]", self.start);
@@ -2161,13 +2166,13 @@ merge(Compressor.prototype, {
}
else if (self.operator == "||") {
var ll = self.left.evaluate(compressor);
var rr = self.right.evaluate(compressor);
if (ll.length > 1) {
if (ll[1]) {
compressor.warn("Condition left of || always true [{file}:{line},{col}]", self.start);
return ll[0];
} else {
compressor.warn("Condition left of || always false [{file}:{line},{col}]", self.start);
var rr = self.right.evaluate(compressor);
return rr[0];
}
}

View File

@@ -399,7 +399,7 @@
function map(moztype, mytype, propmap) {
var moz_to_me = "function From_Moz_" + moztype + "(M){\n";
moz_to_me += "return new " + mytype.name + "({\n" +
moz_to_me += "return new U2." + mytype.name + "({\n" +
"start: my_start_token(M),\n" +
"end: my_end_token(M)";
@@ -442,8 +442,8 @@
//me_to_moz = parse(me_to_moz).print_to_string({ beautify: true });
//console.log(moz_to_me);
moz_to_me = new Function("my_start_token", "my_end_token", "from_moz", "return(" + moz_to_me + ")")(
my_start_token, my_end_token, from_moz
moz_to_me = new Function("U2", "my_start_token", "my_end_token", "from_moz", "return(" + moz_to_me + ")")(
exports, my_start_token, my_end_token, from_moz
);
me_to_moz = new Function("to_moz", "to_moz_block", "return(" + me_to_moz + ")")(
to_moz, to_moz_block

View File

@@ -60,6 +60,7 @@ function OutputStream(options) {
bracketize : false,
semicolons : true,
comments : false,
shebang : true,
preserve_line : false,
screw_ie8 : false,
preamble : null,
@@ -403,7 +404,6 @@ function OutputStream(options) {
AST_Node.DEFMETHOD("add_comments", function(output){
var c = output.option("comments"), self = this;
if (c) {
var start = self.start;
if (start && !start._comments_dumped) {
start._comments_dumped = true;
@@ -426,13 +426,17 @@ function OutputStream(options) {
}));
}
if (c.test) {
if (!c) {
comments = comments.filter(function(comment) {
return c.test(comment.value);
return comment.type == "comment5";
});
} else if (c.test) {
comments = comments.filter(function(comment){
return c.test(comment.value) || comment.type == "comment5";
});
} else if (typeof c == "function") {
comments = comments.filter(function(comment){
return c(self, comment);
return c(self, comment) || comment.type == "comment5";
});
}
@@ -458,8 +462,11 @@ function OutputStream(options) {
output.space();
}
}
});
else if (output.pos() === 0 && c.type == "comment5" && output.option("shebang")) {
output.print("#!" + c.value + "\n");
output.indent();
}
});
}
});
@@ -1240,7 +1247,13 @@ function OutputStream(options) {
output.print_string(self.getValue(), self.quote);
});
DEFPRINT(AST_Number, function(self, output){
if (self.literal !== undefined
&& +self.literal === self.value /* paranoid check */
&& self.scope && self.scope.has_directive('use asm')) {
output.print(self.literal);
} else {
output.print(make_num(self.getValue()));
}
});
function regexp_safe_literal(code) {

View File

@@ -216,7 +216,7 @@ function is_token(token, type, val) {
var EX_EOF = {};
function tokenizer($TEXT, filename, html5_comments) {
function tokenizer($TEXT, filename, html5_comments, shebang) {
var S = {
text : $TEXT,
@@ -341,7 +341,11 @@ function tokenizer($TEXT, filename, html5_comments) {
if (prefix) num = prefix + num;
var valid = parse_js_number(num);
if (!isNaN(valid)) {
return token("num", valid);
var tok = token("num", valid);
if (num.indexOf('.') >= 0) {
tok.literal = num;
}
return tok;
} else {
parse_error("Invalid syntax: " + num);
}
@@ -592,6 +596,13 @@ function tokenizer($TEXT, filename, html5_comments) {
if (PUNC_CHARS(ch)) return token("punc", next());
if (OPERATOR_CHARS(ch)) return read_operator();
if (code == 92 || is_identifier_start(code)) return read_word();
if (shebang) {
if (S.pos == 0 && looking_at("#!")) {
forward(2);
return skip_line_comment("comment5");
}
}
parse_error("Unexpected character '" + ch + "'");
};
@@ -664,12 +675,13 @@ function parse($TEXT, options) {
expression : false,
html5_comments : true,
bare_returns : false,
shebang : true,
});
var S = {
input : (typeof $TEXT == "string"
? tokenizer($TEXT, options.filename,
options.html5_comments)
options.html5_comments, options.shebang)
: $TEXT),
token : null,
prev : null,
@@ -1300,7 +1312,7 @@ function parse($TEXT, options) {
ret = _make_symbol(AST_SymbolRef);
break;
case "num":
ret = new AST_Number({ start: tok, end: tok, value: tok.value });
ret = new AST_Number({ start: tok, end: tok, value: tok.value, literal: tok.literal });
break;
case "string":
ret = new AST_String({

View File

@@ -128,6 +128,10 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
push_uniq(scope.directives, node.value);
return true;
}
if (node instanceof AST_Number) {
node.scope = scope;
return true;
}
if (node instanceof AST_With) {
for (var s = scope; s; s = s.parent_scope)
s.uses_with = true;

128
npm-shrinkwrap.json generated Normal file
View File

@@ -0,0 +1,128 @@
{
"name": "uglify-js",
"version": "2.4.24",
"dependencies": {
"abbrev": {
"version": "1.0.7",
"from": "abbrev@>=1.0.0 <2.0.0",
"resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.7.tgz"
},
"amdefine": {
"version": "1.0.0",
"from": "amdefine@>=0.0.4",
"resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.0.tgz"
},
"async": {
"version": "0.2.10",
"from": "async@>=0.2.6 <0.3.0",
"resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz"
},
"camelcase": {
"version": "1.2.1",
"from": "camelcase@>=1.0.2 <2.0.0",
"resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz"
},
"decamelize": {
"version": "1.0.0",
"from": "decamelize@>=1.0.0 <2.0.0",
"resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.0.0.tgz"
},
"deep-is": {
"version": "0.1.3",
"from": "deep-is@>=0.1.2 <0.2.0",
"resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz"
},
"esprima": {
"version": "1.1.1",
"from": "esprima@>=1.1.1 <1.2.0",
"resolved": "https://registry.npmjs.org/esprima/-/esprima-1.1.1.tgz"
},
"estraverse": {
"version": "1.5.1",
"from": "estraverse@>=1.5.1 <1.6.0",
"resolved": "https://registry.npmjs.org/estraverse/-/estraverse-1.5.1.tgz"
},
"esutils": {
"version": "1.0.0",
"from": "esutils@>=1.0.0 <1.1.0",
"resolved": "https://registry.npmjs.org/esutils/-/esutils-1.0.0.tgz"
},
"fast-levenshtein": {
"version": "1.0.7",
"from": "fast-levenshtein@>=1.0.0 <1.1.0",
"resolved": "https://registry.npmjs.org/fast-levenshtein/-/fast-levenshtein-1.0.7.tgz"
},
"levn": {
"version": "0.2.5",
"from": "levn@>=0.2.5 <0.3.0",
"resolved": "https://registry.npmjs.org/levn/-/levn-0.2.5.tgz"
},
"nopt": {
"version": "2.1.2",
"from": "nopt@>=2.1.2 <2.2.0",
"resolved": "https://registry.npmjs.org/nopt/-/nopt-2.1.2.tgz"
},
"optionator": {
"version": "0.5.0",
"from": "optionator@>=0.5.0 <0.6.0",
"resolved": "https://registry.npmjs.org/optionator/-/optionator-0.5.0.tgz"
},
"prelude-ls": {
"version": "1.1.2",
"from": "prelude-ls@>=1.1.1 <1.2.0",
"resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz"
},
"reflect": {
"version": "0.1.3",
"from": "git://github.com/zaach/reflect.js.git",
"resolved": "git://github.com/zaach/reflect.js.git#286bcd79661c96ecc404357d3c0e35fdb54a6967"
},
"source-map": {
"version": "0.5.1",
"from": "source-map@>=0.5.1 <0.6.0",
"resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.1.tgz"
},
"type-check": {
"version": "0.3.1",
"from": "type-check@>=0.3.1 <0.4.0",
"resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.1.tgz"
},
"uglify-js": {
"version": "2.4.24",
"from": "git://github.com/mishoo/UglifyJS2.git",
"resolved": "git://github.com/mishoo/UglifyJS2.git#2a06c7758e24a64740473c8031eafbb7fefa213f",
"dependencies": {
"source-map": {
"version": "0.1.34",
"from": "source-map@0.1.34",
"resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.34.tgz"
}
}
},
"uglify-to-browserify": {
"version": "1.0.2",
"from": "uglify-to-browserify@>=1.0.0 <1.1.0",
"resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz"
},
"window-size": {
"version": "0.1.0",
"from": "window-size@0.1.0",
"resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz"
},
"wordwrap": {
"version": "0.0.2",
"from": "wordwrap@0.0.2",
"resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz"
},
"yargs": {
"version": "3.5.4",
"from": "yargs@>=3.5.4 <3.6.0",
"resolved": "https://registry.npmjs.org/yargs/-/yargs-3.5.4.tgz"
},
"zeparser": {
"version": "0.0.7",
"from": "git://github.com/qfox/ZeParser.git",
"resolved": "git://github.com/qfox/ZeParser.git#c99240c5ba7054c467733800ff38265958a2dda9"
}
}
}

View File

@@ -3,8 +3,8 @@
"description": "JavaScript parser, mangler/compressor and beautifier toolkit",
"homepage": "http://lisperator.net/uglifyjs",
"author": "Mihai Bazon <mihai.bazon@gmail.com> (http://lisperator.net/)",
"license": "BSD",
"version": "2.4.24",
"license": "BSD-2-Clause",
"version": "2.5.0",
"engines": {
"node": ">=0.8.0"
},
@@ -30,7 +30,7 @@
],
"dependencies": {
"async": "~0.2.6",
"source-map": "0.1.34",
"source-map": "~0.5.1",
"uglify-to-browserify": "~1.0.0",
"yargs": "~3.5.4"
},
@@ -46,6 +46,7 @@
]
},
"scripts": {
"shrinkwrap": "rm ./npm-shrinkwrap.json; rm -rf ./node_modules; npm i && npm shrinkwrap && npm outdated",
"test": "node test/run-tests.js"
}
}

106
test/compress/asm.js Normal file
View File

@@ -0,0 +1,106 @@
asm_mixed: {
options = {
sequences : true,
properties : true,
dead_code : true,
drop_debugger : true,
conditionals : true,
comparisons : true,
evaluate : true,
booleans : true,
loops : true,
unused : true,
hoist_funs : true,
keep_fargs : true,
keep_fnames : false,
hoist_vars : true,
if_return : true,
join_vars : true,
cascade : true,
side_effects : true,
negate_iife : true
};
input: {
// adapted from http://asmjs.org/spec/latest/
function asm_GeometricMean(stdlib, foreign, buffer) {
"use asm";
var exp = stdlib.Math.exp;
var log = stdlib.Math.log;
var values = new stdlib.Float64Array(buffer);
function logSum(start, end) {
start = start|0;
end = end|0;
var sum = 0.0, p = 0, q = 0;
// asm.js forces byte addressing of the heap by requiring shifting by 3
for (p = start << 3, q = end << 3; (p|0) < (q|0); p = (p + 8)|0) {
sum = sum + +log(values[p>>3]);
}
return +sum;
}
function geometricMean(start, end) {
start = start|0;
end = end|0;
return +exp(+logSum(start, end) / +((end - start)|0));
}
return { geometricMean: geometricMean };
}
function no_asm_GeometricMean(stdlib, foreign, buffer) {
var exp = stdlib.Math.exp;
var log = stdlib.Math.log;
var values = new stdlib.Float64Array(buffer);
function logSum(start, end) {
start = start|0;
end = end|0;
var sum = 0.0, p = 0, q = 0;
// asm.js forces byte addressing of the heap by requiring shifting by 3
for (p = start << 3, q = end << 3; (p|0) < (q|0); p = (p + 8)|0) {
sum = sum + +log(values[p>>3]);
}
return +sum;
}
function geometricMean(start, end) {
start = start|0;
end = end|0;
return +exp(+logSum(start, end) / +((end - start)|0));
}
return { geometricMean: geometricMean };
}
}
expect: {
function asm_GeometricMean(stdlib, foreign, buffer) {
"use asm";
var exp = stdlib.Math.exp;
var log = stdlib.Math.log;
var values = new stdlib.Float64Array(buffer);
function logSum(start, end) {
start = start | 0;
end = end | 0;
var sum = 0.0, p = 0, q = 0;
for (p = start << 3, q = end << 3; (p | 0) < (q | 0); p = p + 8 | 0) {
sum = sum + +log(values[p >> 3]);
}
return +sum;
}
function geometricMean(start, end) {
start = start | 0;
end = end | 0;
return +exp(+logSum(start, end) / +(end - start | 0));
}
return { geometricMean: geometricMean };
}
function no_asm_GeometricMean(stdlib, foreign, buffer) {
function logSum(start, end) {
start = 0 | start, end = 0 | end;
var sum = 0, p = 0, q = 0;
for (p = start << 3, q = end << 3; (0 | q) > (0 | p); p = p + 8 | 0) sum += +log(values[p >> 3]);
return +sum;
}
function geometricMean(start, end) {
return start = 0 | start, end = 0 | end, +exp(+logSum(start, end) / +(end - start | 0));
}
var exp = stdlib.Math.exp, log = stdlib.Math.log, values = new stdlib.Float64Array(buffer);
return { geometricMean: geometricMean };
}
}
}

View File

@@ -1,5 +1,5 @@
unused_funarg_1: {
options = { unused: true, unsafe: true };
options = { unused: true, keep_fargs: false };
input: {
function f(a, b, c, d, e) {
return a + b;
@@ -13,7 +13,7 @@ unused_funarg_1: {
}
unused_funarg_2: {
options = { unused: true, unsafe: true };
options = { unused: true, keep_fargs: false };
input: {
function f(a, b, c, d, e) {
return a + c;
@@ -188,7 +188,7 @@ keep_fnames: {
}
expect: {
function foo() {
return function bar() {};
return function bar(baz) {};
}
}
}

17
tools/exports.js Normal file
View File

@@ -0,0 +1,17 @@
exports["Compressor"] = Compressor;
exports["DefaultsError"] = DefaultsError;
exports["Dictionary"] = Dictionary;
exports["JS_Parse_Error"] = JS_Parse_Error;
exports["MAP"] = MAP;
exports["OutputStream"] = OutputStream;
exports["SourceMap"] = SourceMap;
exports["TreeTransformer"] = TreeTransformer;
exports["TreeWalker"] = TreeWalker;
exports["base54"] = base54;
exports["defaults"] = defaults;
exports["mangle_properties"] = mangle_properties;
exports["merge"] = merge;
exports["parse"] = parse;
exports["push_uniq"] = push_uniq;
exports["string_template"] = string_template;
exports["is_identifier"] = is_identifier;

View File

@@ -1,26 +1,5 @@
var path = require("path");
var fs = require("fs");
var vm = require("vm");
var UglifyJS = vm.createContext({
console : console,
process : process,
Buffer : Buffer,
MOZ_SourceMap : require("source-map")
});
function load_global(file) {
file = path.resolve(path.dirname(module.filename), file);
try {
var code = fs.readFileSync(file, "utf8");
return vm.runInContext(code, UglifyJS, file);
} catch(ex) {
// XXX: in case of a syntax error, the message is kinda
// useless. (no location information).
console.log("ERROR in file: " + file + " / " + ex);
process.exit(1);
}
};
var FILES = exports.FILES = [
"../lib/utils.js",
@@ -32,24 +11,25 @@ var FILES = exports.FILES = [
"../lib/compress.js",
"../lib/sourcemap.js",
"../lib/mozilla-ast.js",
"../lib/propmangle.js"
"../lib/propmangle.js",
"./exports.js",
].map(function(file){
return fs.realpathSync(path.join(path.dirname(__filename), file));
});
FILES.forEach(load_global);
var UglifyJS = exports;
new Function("MOZ_SourceMap", "exports", FILES.map(function(file){
return fs.readFileSync(file, "utf8");
}).join("\n\n"))(
require("source-map"),
UglifyJS
);
UglifyJS.AST_Node.warn_function = function(txt) {
console.error("WARN: %s", txt);
};
// XXX: perhaps we shouldn't export everything but heck, I'm lazy.
for (var i in UglifyJS) {
if (UglifyJS.hasOwnProperty(i)) {
exports[i] = UglifyJS[i];
}
}
exports.minify = function(files, options) {
options = UglifyJS.defaults(options, {
spidermonkey : false,
@@ -65,6 +45,7 @@ exports.minify = function(files, options) {
UglifyJS.base54.reset();
// 1. parse
var haveScope = false;
var toplevel = null,
sourcesContent = {};
@@ -93,6 +74,7 @@ exports.minify = function(files, options) {
var compress = { warnings: options.warnings };
UglifyJS.merge(compress, options.compress);
toplevel.figure_out_scope();
haveScope = true;
var sq = UglifyJS.Compressor(compress);
toplevel = toplevel.transform(sq);
}
@@ -100,11 +82,17 @@ exports.minify = function(files, options) {
// 3. mangle
if (options.mangle) {
toplevel.figure_out_scope(options.mangle);
haveScope = true;
toplevel.compute_char_frequency(options.mangle);
toplevel.mangle_names(options.mangle);
}
// 4. output
// 4. scope (if needed)
if (!haveScope) {
toplevel.figure_out_scope();
}
// 5. output
var inMap = options.inSourceMap;
var output = {};
if (typeof options.inSourceMap == "string") {