AST_Scope.DEFMETHOD("merge_variables", function(compressor) {
if (!compressor.option("merge_vars")) return;
- var self = this, segment = {};
+ var self = this, segment = {}, root;
var first = [], last = [], index = 0;
var declarations = new Dictionary();
var references = Object.create(null);
if (node instanceof AST_Scope) {
push();
segment.block = node;
- if (node instanceof AST_Lambda && node.name) {
- if (node !== self) segment.loop = true;
- references[node.name.definition().id] = false;
- }
+ if (node === self) root = segment;
+ if (node instanceof AST_Lambda && node.name) references[node.name.definition().id] = false;
descend();
pop();
return true;
definition: def,
});
}
- refs.start = self;
+ if (segment.block !== self) return references[def.id] = false;
+ refs.start = root;
}
prev[def.id] = last.length;
last.push({
}
expect_stdout: "object"
}
+
+lambda_reuse: {
+ options = {
+ merge_vars: true,
+ toplevel: true,
+ }
+ input: {
+ var a, b, f = function() {
+ console.log(a);
+ };
+ f();
+ a = "PASS";
+ b = "FAIL";
+ f();
+ if (console.log(typeof b))
+ console.log(b);
+ }
+ expect: {
+ var a, b, f = function() {
+ console.log(a);
+ };
+ f();
+ a = "PASS";
+ b = "FAIL";
+ f();
+ if (console.log(typeof b))
+ console.log(b);
+ }
+ expect_stdout: [
+ "undefined",
+ "PASS",
+ "string",
+ ]
+}