JoBoEVD/UglifyJS
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This commit is contained in:
Mihai Bazon
2012-09-11 18:37:08 +03:00
parent 8e82d8d94c
commit 9a629abe00
2 changed files with 22 additions and 4 deletions
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9
bin/uglifyjs2
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@@ -105,9 +105,9 @@ if (ARGS.stats) {
/* -----[ functions ]----- */ /* -----[ functions ]----- */
function do_file_1(file) { function do_file_1(file) {
if (ARGS.v) { // if (ARGS.v) {
sys.error("Compressing " + file); // sys.error("Compressing " + file);
} // }
var code = read_whole_file(file); var code = read_whole_file(file);
var ast; var ast;
time_it("parse", function(){ time_it("parse", function(){
@@ -134,6 +134,9 @@ function do_file_2(ast) {
function do_file_3(ast) { function do_file_3(ast) {
var file = ast.filename; var file = ast.filename;
// if (ARGS.v) {
// sys.error("Mangling/generating " + file);
// }
time_it("mangle", function(){ time_it("mangle", function(){
ast.mangle_names(); ast.mangle_names();
}); });

17
lib/compress.js
View File

@@ -617,7 +617,7 @@ function Compressor(options, false_by_default) {
if (compressor.option("dead_code")) { if (compressor.option("dead_code")) {
var a = []; var a = [];
extract_declarations_from_unreachable_code(compressor, self.body, a); extract_declarations_from_unreachable_code(compressor, self.body, a);
return make_node(AST_BlockStatement, self, { body: a }); return make_node(AST_BlockStatement, self, { body: a }).optimize(compressor);
} }
} else { } else {
return self.body; return self.body;
@@ -626,6 +626,21 @@ function Compressor(options, false_by_default) {
return self; return self;
}); });
// while(cond){ ... } ==> for(;cond;){ ... }
//
// not helpful, it seems (output is a bit bigger after gzip)
//
// AST_While.DEFMETHOD("optimize", function(compressor){
// var self = AST_DWLoop.prototype.optimize.call(this, compressor);
// if (self instanceof AST_While) {
// self = make_node(AST_For, self, {
// condition: self.condition,
// body: self.body
// }).optimize(compressor);
// }
// return self;
// });
SQUEEZE(AST_For, function(self, compressor){ SQUEEZE(AST_For, function(self, compressor){
self = self.clone(); self = self.clone();
if (self.init) self.init = self.init.squeeze(compressor); if (self.init) self.init = self.init.squeeze(compressor);