mirror of
https://github.com/seejohnrun/haste-server.git
synced 2024-12-25 11:37:00 +00:00
324 lines
12 KiB
Text
324 lines
12 KiB
Text
|
#!/usr/bin/env node
|
||
|
|
// -*- js -*-
|
||
|
|
|
||
|
|
global.sys = require(/^v0\.[012]/.test(process.version) ? "sys" : "util");
|
||
|
|
var fs = require("fs");
|
||
|
|
var uglify = require("uglify-js"), // symlink ~/.node_libraries/uglify-js.js to ../uglify-js.js
|
||
|
|
jsp = uglify.parser,
|
||
|
|
pro = uglify.uglify;
|
||
|
|
|
||
|
|
var options = {
|
||
|
|
ast: false,
|
||
|
|
mangle: true,
|
||
|
|
mangle_toplevel: false,
|
||
|
|
no_mangle_functions: false,
|
||
|
|
squeeze: true,
|
||
|
|
make_seqs: true,
|
||
|
|
dead_code: true,
|
||
|
|
verbose: false,
|
||
|
|
show_copyright: true,
|
||
|
|
out_same_file: false,
|
||
|
|
max_line_length: 32 * 1024,
|
||
|
|
unsafe: false,
|
||
|
|
reserved_names: null,
|
||
|
|
defines: { },
|
||
|
|
lift_vars: false,
|
||
|
|
codegen_options: {
|
||
|
|
ascii_only: false,
|
||
|
|
beautify: false,
|
||
|
|
indent_level: 4,
|
||
|
|
indent_start: 0,
|
||
|
|
quote_keys: false,
|
||
|
|
space_colon: false,
|
||
|
|
inline_script: false
|
||
|
|
},
|
||
|
|
make: false,
|
||
|
|
output: true // stdout
|
||
|
|
};
|
||
|
|
|
||
|
|
var args = jsp.slice(process.argv, 2);
|
||
|
|
var filename;
|
||
|
|
|
||
|
|
out: while (args.length > 0) {
|
||
|
|
var v = args.shift();
|
||
|
|
switch (v) {
|
||
|
|
case "-b":
|
||
|
|
case "--beautify":
|
||
|
|
options.codegen_options.beautify = true;
|
||
|
|
break;
|
||
|
|
case "-i":
|
||
|
|
case "--indent":
|
||
|
|
options.codegen_options.indent_level = args.shift();
|
||
|
|
break;
|
||
|
|
case "-q":
|
||
|
|
case "--quote-keys":
|
||
|
|
options.codegen_options.quote_keys = true;
|
||
|
|
break;
|
||
|
|
case "-mt":
|
||
|
|
case "--mangle-toplevel":
|
||
|
|
options.mangle_toplevel = true;
|
||
|
|
break;
|
||
|
|
case "-nmf":
|
||
|
|
case "--no-mangle-functions":
|
||
|
|
options.no_mangle_functions = true;
|
||
|
|
break;
|
||
|
|
case "--no-mangle":
|
||
|
|
case "-nm":
|
||
|
|
options.mangle = false;
|
||
|
|
break;
|
||
|
|
case "--no-squeeze":
|
||
|
|
case "-ns":
|
||
|
|
options.squeeze = false;
|
||
|
|
break;
|
||
|
|
case "--no-seqs":
|
||
|
|
options.make_seqs = false;
|
||
|
|
break;
|
||
|
|
case "--no-dead-code":
|
||
|
|
options.dead_code = false;
|
||
|
|
break;
|
||
|
|
case "--no-copyright":
|
||
|
|
case "-nc":
|
||
|
|
options.show_copyright = false;
|
||
|
|
break;
|
||
|
|
case "-o":
|
||
|
|
case "--output":
|
||
|
|
options.output = args.shift();
|
||
|
|
break;
|
||
|
|
case "--overwrite":
|
||
|
|
options.out_same_file = true;
|
||
|
|
break;
|
||
|
|
case "-v":
|
||
|
|
case "--verbose":
|
||
|
|
options.verbose = true;
|
||
|
|
break;
|
||
|
|
case "--ast":
|
||
|
|
options.ast = true;
|
||
|
|
break;
|
||
|
|
case "--unsafe":
|
||
|
|
options.unsafe = true;
|
||
|
|
break;
|
||
|
|
case "--max-line-len":
|
||
|
|
options.max_line_length = parseInt(args.shift(), 10);
|
||
|
|
break;
|
||
|
|
case "--reserved-names":
|
||
|
|
options.reserved_names = args.shift().split(",");
|
||
|
|
break;
|
||
|
|
case "--lift-vars":
|
||
|
|
options.lift_vars = true;
|
||
|
|
break;
|
||
|
|
case "-d":
|
||
|
|
case "--define":
|
||
|
|
var defarg = args.shift();
|
||
|
|
try {
|
||
|
|
var defsym = function(sym) {
|
||
|
|
// KEYWORDS_ATOM doesn't include NaN or Infinity - should we check
|
||
|
|
// for them too ?? We don't check reserved words and the like as the
|
||
|
|
// define values are only substituted AFTER parsing
|
||
|
|
if (jsp.KEYWORDS_ATOM.hasOwnProperty(sym)) {
|
||
|
|
throw "Don't define values for inbuilt constant '"+sym+"'";
|
||
|
|
}
|
||
|
|
return sym;
|
||
|
|
},
|
||
|
|
defval = function(v) {
|
||
|
|
if (v.match(/^"(.*)"$/) || v.match(/^'(.*)'$/)) {
|
||
|
|
return [ "string", RegExp.$1 ];
|
||
|
|
}
|
||
|
|
else if (!isNaN(parseFloat(v))) {
|
||
|
|
return [ "num", parseFloat(v) ];
|
||
|
|
}
|
||
|
|
else if (v.match(/^[a-z\$_][a-z\$_0-9]*$/i)) {
|
||
|
|
return [ "name", v ];
|
||
|
|
}
|
||
|
|
else if (!v.match(/"/)) {
|
||
|
|
return [ "string", v ];
|
||
|
|
}
|
||
|
|
else if (!v.match(/'/)) {
|
||
|
|
return [ "string", v ];
|
||
|
|
}
|
||
|
|
throw "Can't understand the specified value: "+v;
|
||
|
|
};
|
||
|
|
if (defarg.match(/^([a-z_\$][a-z_\$0-9]*)(=(.*))?$/i)) {
|
||
|
|
var sym = defsym(RegExp.$1),
|
||
|
|
val = RegExp.$2 ? defval(RegExp.$2.substr(1)) : [ 'name', 'true' ];
|
||
|
|
options.defines[sym] = val;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
throw "The --define option expects SYMBOL[=value]";
|
||
|
|
}
|
||
|
|
} catch(ex) {
|
||
|
|
sys.print("ERROR: In option --define "+defarg+"\n"+ex+"\n");
|
||
|
|
process.exit(1);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "--define-from-module":
|
||
|
|
var defmodarg = args.shift(),
|
||
|
|
defmodule = require(defmodarg),
|
||
|
|
sym,
|
||
|
|
val;
|
||
|
|
for (sym in defmodule) {
|
||
|
|
if (defmodule.hasOwnProperty(sym)) {
|
||
|
|
options.defines[sym] = function(val) {
|
||
|
|
if (typeof val == "string")
|
||
|
|
return [ "string", val ];
|
||
|
|
if (typeof val == "number")
|
||
|
|
return [ "num", val ];
|
||
|
|
if (val === true)
|
||
|
|
return [ 'name', 'true' ];
|
||
|
|
if (val === false)
|
||
|
|
return [ 'name', 'false' ];
|
||
|
|
if (val === null)
|
||
|
|
return [ 'name', 'null' ];
|
||
|
|
if (val === undefined)
|
||
|
|
return [ 'name', 'undefined' ];
|
||
|
|
sys.print("ERROR: In option --define-from-module "+defmodarg+"\n");
|
||
|
|
sys.print("ERROR: Unknown object type for: "+sym+"="+val+"\n");
|
||
|
|
process.exit(1);
|
||
|
|
return null;
|
||
|
|
}(defmodule[sym]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case "--ascii":
|
||
|
|
options.codegen_options.ascii_only = true;
|
||
|
|
break;
|
||
|
|
case "--make":
|
||
|
|
options.make = true;
|
||
|
|
break;
|
||
|
|
case "--inline-script":
|
||
|
|
options.codegen_options.inline_script = true;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
filename = v;
|
||
|
|
break out;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (options.verbose) {
|
||
|
|
pro.set_logger(function(msg){
|
||
|
|
sys.debug(msg);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
jsp.set_logger(function(msg){
|
||
|
|
sys.debug(msg);
|
||
|
|
});
|
||
|
|
|
||
|
|
if (options.make) {
|
||
|
|
options.out_same_file = false; // doesn't make sense in this case
|
||
|
|
var makefile = JSON.parse(fs.readFileSync(filename || "Makefile.uglify.js").toString());
|
||
|
|
output(makefile.files.map(function(file){
|
||
|
|
var code = fs.readFileSync(file.name);
|
||
|
|
if (file.module) {
|
||
|
|
code = "!function(exports, global){global = this;\n" + code + "\n;this." + file.module + " = exports;}({})";
|
||
|
|
}
|
||
|
|
else if (file.hide) {
|
||
|
|
code = "(function(){" + code + "}());";
|
||
|
|
}
|
||
|
|
return squeeze_it(code);
|
||
|
|
}).join("\n"));
|
||
|
|
}
|
||
|
|
else if (filename) {
|
||
|
|
fs.readFile(filename, "utf8", function(err, text){
|
||
|
|
if (err) throw err;
|
||
|
|
output(squeeze_it(text));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
var stdin = process.openStdin();
|
||
|
|
stdin.setEncoding("utf8");
|
||
|
|
var text = "";
|
||
|
|
stdin.on("data", function(chunk){
|
||
|
|
text += chunk;
|
||
|
|
});
|
||
|
|
stdin.on("end", function() {
|
||
|
|
output(squeeze_it(text));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function output(text) {
|
||
|
|
var out;
|
||
|
|
if (options.out_same_file && filename)
|
||
|
|
options.output = filename;
|
||
|
|
if (options.output === true) {
|
||
|
|
out = process.stdout;
|
||
|
|
} else {
|
||
|
|
out = fs.createWriteStream(options.output, {
|
||
|
|
flags: "w",
|
||
|
|
encoding: "utf8",
|
||
|
|
mode: 0644
|
||
|
|
});
|
||
|
|
}
|
||
|
|
out.write(text.replace(/;*$/, ";"));
|
||
|
|
if (options.output !== true) {
|
||
|
|
out.end();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// --------- main ends here.
|
||
|
|
|
||
|
|
function show_copyright(comments) {
|
||
|
|
var ret = "";
|
||
|
|
for (var i = 0; i < comments.length; ++i) {
|
||
|
|
var c = comments[i];
|
||
|
|
if (c.type == "comment1") {
|
||
|
|
ret += "//" + c.value + "\n";
|
||
|
|
} else {
|
||
|
|
ret += "/*" + c.value + "*/";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return ret;
|
||
|
|
};
|
||
|
|
|
||
|
|
function squeeze_it(code) {
|
||
|
|
var result = "";
|
||
|
|
if (options.show_copyright) {
|
||
|
|
var tok = jsp.tokenizer(code), c;
|
||
|
|
c = tok();
|
||
|
|
result += show_copyright(c.comments_before);
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
var ast = time_it("parse", function(){ return jsp.parse(code); });
|
||
|
|
if (options.lift_vars) {
|
||
|
|
ast = time_it("lift", function(){ return pro.ast_lift_variables(ast); });
|
||
|
|
}
|
||
|
|
if (options.mangle) ast = time_it("mangle", function(){
|
||
|
|
return pro.ast_mangle(ast, {
|
||
|
|
toplevel : options.mangle_toplevel,
|
||
|
|
defines : options.defines,
|
||
|
|
except : options.reserved_names,
|
||
|
|
no_functions : options.no_mangle_functions
|
||
|
|
});
|
||
|
|
});
|
||
|
|
if (options.squeeze) ast = time_it("squeeze", function(){
|
||
|
|
ast = pro.ast_squeeze(ast, {
|
||
|
|
make_seqs : options.make_seqs,
|
||
|
|
dead_code : options.dead_code,
|
||
|
|
keep_comps : !options.unsafe
|
||
|
|
});
|
||
|
|
if (options.unsafe)
|
||
|
|
ast = pro.ast_squeeze_more(ast);
|
||
|
|
return ast;
|
||
|
|
});
|
||
|
|
if (options.ast)
|
||
|
|
return sys.inspect(ast, null, null);
|
||
|
|
result += time_it("generate", function(){ return pro.gen_code(ast, options.codegen_options) });
|
||
|
|
if (!options.codegen_options.beautify && options.max_line_length) {
|
||
|
|
result = time_it("split", function(){ return pro.split_lines(result, options.max_line_length) });
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
} catch(ex) {
|
||
|
|
sys.debug(ex.stack);
|
||
|
|
sys.debug(sys.inspect(ex));
|
||
|
|
sys.debug(JSON.stringify(ex));
|
||
|
|
process.exit(1);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
function time_it(name, cont) {
|
||
|
|
if (!options.verbose)
|
||
|
|
return cont();
|
||
|
|
var t1 = new Date().getTime();
|
||
|
|
try { return cont(); }
|
||
|
|
finally { sys.debug("// " + name + ": " + ((new Date().getTime() - t1) / 1000).toFixed(3) + " sec."); }
|
||
|
|
};
|