JoBoEVD/UglifyJS
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added mangler and other stuff

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This commit is contained in:
Mihai Bazon
2012-08-20 17:19:30 +03:00
parent 1fe0ff9fff
commit 458e251d7e
5 changed files with 208 additions and 63 deletions
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81
tmp/test-node.js
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@@ -22,43 +22,58 @@
load_global("../lib/scope.js");
load_global("../lib/output.js");
AST_Node.warn_function = function(txt) {
sys.debug(txt);
};
///
var filename = process.argv[2];
console.time("parse");
var ast = parse(fs.readFileSync(filename, "utf8"));
console.timeEnd("parse");
var code = fs.readFileSync(filename, "utf8");
var stream = OutputStream({ beautify: true });
console.time("figure_out_scope");
ast.figure_out_scope();
console.timeEnd("figure_out_scope");
console.time("generate");
ast.print(stream);
console.timeEnd("generate");
//sys.puts(stream.get());
var w = new TreeWalker(function(node, descend){
if (node.start) {
console.log(node.TYPE + " [" + node.start.line + ":" + node.start.col + "]");
} else {
console.log(node.TYPE + " [NO START]");
}
if (node instanceof AST_Scope) {
if (node.uses_eval) console.log("!!! uses eval");
if (node.uses_with) console.log("!!! uses with");
}
if (node instanceof AST_SymbolDeclaration) {
console.log("--- declaration " + node.name + (node.global ? " [global]" : ""));
}
else if (node instanceof AST_SymbolRef) {
console.log("--- reference " + node.name + " to " + (node.symbol ? node.symbol.name : "global"));
if (node.symbol) {
console.log(" declaration at: " + node.symbol.start.line + ":" + node.symbol.start.col);
}
}
var ast = time_it("parse", function() {
return parse(code);
});
ast._walk(w);
var stream = OutputStream({ beautify: true });
time_it("scope", function(){
ast.figure_out_scope();
});
time_it("mangle", function(){
ast.mangle_names();
});
time_it("generate", function(){
ast.print(stream);
});
sys.puts(stream.get());
// var w = new TreeWalker(function(node, descend){
// if (node.start) {
// console.log(node.TYPE + " [" + node.start.line + ":" + node.start.col + "]");
// } else {
// console.log(node.TYPE + " [NO START]");
// }
// if (node instanceof AST_Scope) {
// if (node.uses_eval) console.log("!!! uses eval");
// if (node.uses_with) console.log("!!! uses with");
// }
// if (node instanceof AST_SymbolDeclaration) {
// console.log("--- declaration " + node.name + (node.global ? " [global]" : ""));
// }
// else if (node instanceof AST_SymbolRef) {
// console.log("--- reference " + node.name + " to " + (node.symbol ? node.symbol.name : "global"));
// if (node.symbol) {
// console.log(" declaration at: " + node.symbol.start.line + ":" + node.symbol.start.col);
// }
// }
// });
// ast._walk(w);
ast.scope_warnings();
function time_it(name, cont) {
var t1 = new Date().getTime();
try { return cont(); }
finally { sys.debug("// " + name + ": " + ((new Date().getTime() - t1) / 1000).toFixed(3) + " sec."); }
};
})();