if (ignore_side_effects) {
fn.walk(scan_modified);
var found = false;
+ fn.evaluating = true;
walk_body(fn, new TreeWalker(function(node) {
if (found) return true;
if (node instanceof AST_Return) {
}
if (node instanceof AST_Scope && node !== fn) return true;
}));
+ delete fn.evaluating;
if (!found) return;
}
return this;
var stat = self.body[i];
if (stat instanceof AST_Directive) continue;
if (stat instanceof AST_Return) {
+ if (i != self.body.length - 1) break;
var call = stat.value;
if (!call || call.TYPE != "Call") break;
if (call.is_expr_pure(compressor)) break;
return parent ? maintain_this_binding(compressor, parent, node, arg) : arg;
}
})));
+ var save_inlined = fn.inlined;
+ if (exp !== fn) fn.inlined = true;
var node = make_sequence(self, args.filter(function(arg) {
return arg;
})).optimize(compressor);
+ fn.inlined = save_inlined;
node = maintain_this_binding(compressor, compressor.parent(), compressor.self(), node);
if (replacing || best_of_expression(node, self) === node) {
refs.forEach(function(ref) {
single_use = fixed.is_constant_expression(self.scope);
if (single_use == "f") {
var scope = self.scope;
- do if (is_defun(scope) || is_function(scope)) {
- scope.inlined = true;
+ do {
+ if (is_defun(scope) || is_function(scope)) scope.inlined = true;
} while (scope = scope.parent_scope);
}
} else if (fixed.name && fixed.name.name == "await" && is_async(fixed)) {
"PASS",
]
}
+
+issue_4612_1: {
+ options = {
+ evaluate: true,
+ inline: true,
+ reduce_vars: true,
+ side_effects: true,
+ unused: true,
+ }
+ input: {
+ console.log(function() {
+ function f() {
+ return g();
+ }
+ function g(a) {
+ return a || f();
+ }
+ return g("PASS");
+ }());
+ }
+ expect: {
+ console.log("PASS");
+ }
+ expect_stdout: "PASS"
+}
+
+issue_4612_2: {
+ options = {
+ evaluate: true,
+ inline: true,
+ reduce_vars: true,
+ side_effects: true,
+ unused: true,
+ }
+ input: {
+ console.log(function() {
+ function fn() {
+ return h();
+ }
+ function g() {
+ return fn();
+ }
+ function h(a) {
+ return a || fn();
+ }
+ return h("PASS");
+ }());
+ }
+ expect: {
+ console.log("PASS");
+ }
+ expect_stdout: "PASS"
+}
+
+issue_4612_3: {
+ options = {
+ inline: true,
+ reduce_vars: true,
+ }
+ input: {
+ console.log(typeof function() {
+ return g();
+ function f() {
+ return g;
+ }
+ function g() {
+ {
+ return f;
+ }
+ }
+ }());
+ }
+ expect: {
+ console.log(typeof function() {
+ return g();
+ function f() {
+ return g;
+ }
+ function g() {
+ return f;
+ }
+ }());
+ }
+ expect_stdout: "function"
+}
+
+issue_4612_4: {
+ options = {
+ booleans: true,
+ evaluate: true,
+ reduce_vars: true,
+ }
+ input: {
+ console.log(function() {
+ function f() {
+ return h();
+ }
+ function g() {
+ {
+ return h();
+ }
+ }
+ function h() {
+ {
+ return g();
+ }
+ }
+ }());
+ }
+ expect: {
+ console.log(function() {
+ function f() {
+ return h();
+ }
+ function g() {
+ return h();
+ }
+ function h() {
+ return g();
+ }
+ }());
+ }
+ expect_stdout: "undefined"
+}