Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(42)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: test/mjsunit/es8/syntactic-tail-call.js

Issue 2372513003: [es8] Remove syntactic tail calls support. (Closed)
Patch Set: Created 4 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « test/message/syntactic-tail-call-without-return.out ('k') | test/mjsunit/es8/syntactic-tail-call-parsing.js » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: test/mjsunit/es8/syntactic-tail-call.js
diff --git a/test/mjsunit/es8/syntactic-tail-call.js b/test/mjsunit/es8/syntactic-tail-call.js
deleted file mode 100644
index 44936a4b22015a16775c0b5f34c42d215cb2991e..0000000000000000000000000000000000000000
--- a/test/mjsunit/es8/syntactic-tail-call.js
+++ /dev/null
@@ -1,604 +0,0 @@
-// Copyright 2016 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --allow-natives-syntax --harmony-explicit-tailcalls
-// Flags: --harmony-do-expressions
-
-"use strict";
-
-Error.prepareStackTrace = (error,stack) => {
- error.strace = stack;
- return error.message + "\n at " + stack.join("\n at ");
-}
-
-
-function CheckStackTrace(expected) {
- var e = new Error();
- e.stack; // prepare stack trace
- var stack = e.strace;
- assertEquals("CheckStackTrace", stack[0].getFunctionName());
- for (var i = 0; i < expected.length; i++) {
- assertEquals(expected[i].name, stack[i + 1].getFunctionName());
- }
-}
-%NeverOptimizeFunction(CheckStackTrace);
-
-
-function f(expected_call_stack, a, b) {
- CheckStackTrace(expected_call_stack);
- return a;
-}
-
-function f_153(expected_call_stack, a) {
- CheckStackTrace(expected_call_stack);
- return 153;
-}
-
-
-// Tail call when caller does not have an arguments adaptor frame.
-(function() {
- // Caller and callee have same number of arguments.
- function f1(a) {
- CheckStackTrace([f1, test]);
- return 10 + a;
- }
- function g1(a) { return continue f1(2); }
-
- // Caller has more arguments than callee.
- function f2(a) {
- CheckStackTrace([f2, test]);
- return 10 + a;
- }
- function g2(a, b, c) { return continue f2(2); }
-
- // Caller has less arguments than callee.
- function f3(a, b, c) {
- CheckStackTrace([f3, test]);
- return 10 + a + b + c;
- }
- function g3(a) { return continue f3(2, 3, 4); }
-
- // Callee has arguments adaptor frame.
- function f4(a, b, c) {
- CheckStackTrace([f4, test]);
- return 10 + a;
- }
- function g4(a) { return continue f4(2); }
-
- function test() {
- assertEquals(12, g1(1));
- assertEquals(12, g2(1, 2, 3));
- assertEquals(19, g3(1));
- assertEquals(12, g4(1));
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Tail call when caller has an arguments adaptor frame.
-(function() {
- // Caller and callee have same number of arguments.
- function f1(a) {
- CheckStackTrace([f1, test]);
- return 10 + a;
- }
- function g1(a) { return continue f1(2); }
-
- // Caller has more arguments than callee.
- function f2(a) {
- CheckStackTrace([f2, test]);
- return 10 + a;
- }
- function g2(a, b, c) { return continue f2(2); }
-
- // Caller has less arguments than callee.
- function f3(a, b, c) {
- CheckStackTrace([f3, test]);
- return 10 + a + b + c;
- }
- function g3(a) { return continue f3(2, 3, 4); }
-
- // Callee has arguments adaptor frame.
- function f4(a, b, c) {
- CheckStackTrace([f4, test]);
- return 10 + a;
- }
- function g4(a) { return continue f4(2); }
-
- function test() {
- assertEquals(12, g1());
- assertEquals(12, g2());
- assertEquals(19, g3());
- assertEquals(12, g4());
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Tail call bound function when caller does not have an arguments
-// adaptor frame.
-(function() {
- // Caller and callee have same number of arguments.
- function f1(a) {
- assertEquals(153, this.a);
- CheckStackTrace([f1, test]);
- return 10 + a;
- }
- var b1 = f1.bind({a: 153});
- function g1(a) { return continue b1(2); }
-
- // Caller has more arguments than callee.
- function f2(a) {
- assertEquals(153, this.a);
- CheckStackTrace([f2, test]);
- return 10 + a;
- }
- var b2 = f2.bind({a: 153});
- function g2(a, b, c) { return continue b2(2); }
-
- // Caller has less arguments than callee.
- function f3(a, b, c) {
- assertEquals(153, this.a);
- CheckStackTrace([f3, test]);
- return 10 + a + b + c;
- }
- var b3 = f3.bind({a: 153});
- function g3(a) { return continue b3(2, 3, 4); }
-
- // Callee has arguments adaptor frame.
- function f4(a, b, c) {
- assertEquals(153, this.a);
- CheckStackTrace([f4, test]);
- return 10 + a;
- }
- var b4 = f4.bind({a: 153});
- function g4(a) { return continue b4(2); }
-
- function test() {
- assertEquals(12, g1(1));
- assertEquals(12, g2(1, 2, 3));
- assertEquals(19, g3(1));
- assertEquals(12, g4(1));
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Tail call bound function when caller has an arguments adaptor frame.
-(function() {
- // Caller and callee have same number of arguments.
- function f1(a) {
- assertEquals(153, this.a);
- CheckStackTrace([f1, test]);
- return 10 + a;
- }
- var b1 = f1.bind({a: 153});
- function g1(a) { return continue b1(2); }
-
- // Caller has more arguments than callee.
- function f2(a) {
- assertEquals(153, this.a);
- CheckStackTrace([f2, test]);
- return 10 + a;
- }
- var b2 = f2.bind({a: 153});
- function g2(a, b, c) { return continue b2(2); }
-
- // Caller has less arguments than callee.
- function f3(a, b, c) {
- assertEquals(153, this.a);
- CheckStackTrace([f3, test]);
- return 10 + a + b + c;
- }
- var b3 = f3.bind({a: 153});
- function g3(a) { return continue b3(2, 3, 4); }
-
- // Callee has arguments adaptor frame.
- function f4(a, b, c) {
- assertEquals(153, this.a);
- CheckStackTrace([f4, test]);
- return 10 + a;
- }
- var b4 = f4.bind({a: 153});
- function g4(a) { return continue b4(2); }
-
- function test() {
- assertEquals(12, g1());
- assertEquals(12, g2());
- assertEquals(19, g3());
- assertEquals(12, g4());
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Tail calling from getter.
-(function() {
- function g(v) {
- CheckStackTrace([g, test]);
- %DeoptimizeFunction(test);
- return 153;
- }
- %NeverOptimizeFunction(g);
-
- function f(v) {
- return continue g();
- }
- %SetForceInlineFlag(f);
-
- function test() {
- var o = {};
- o.__defineGetter__('p', f);
- assertEquals(153, o.p);
- }
-
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Tail calling from setter.
-(function() {
- function g() {
- CheckStackTrace([g, test]);
- %DeoptimizeFunction(test);
- return 153;
- }
- %NeverOptimizeFunction(g);
-
- function f(v) {
- return continue g();
- }
- %SetForceInlineFlag(f);
-
- function test() {
- var o = {};
- o.__defineSetter__('q', f);
- assertEquals(1, o.q = 1);
- }
-
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Tail calling from constructor.
-(function() {
- function g(context) {
- CheckStackTrace([g, test]);
- %DeoptimizeFunction(test);
- return {x: 153};
- }
- %NeverOptimizeFunction(g);
-
- function A() {
- this.x = 42;
- return continue g();
- }
-
- function test() {
- var o = new A();
- %DebugPrint(o);
- assertEquals(153, o.x);
- }
-
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Tail calling via various expressions.
-(function() {
- function g1(a) {
- return f([f, g1, test], false) || continue f([f, test], true);
- }
-
- function g2(a) {
- return f([f, g2, test], true) && continue f([f, test], true);
- }
-
- function g3(a) {
- return f([f, g3, test], 13), continue f([f, test], 153);
- }
-
- function g4(a) {
- return f([f, g4, test], false) ||
- (f([f, g4, test], true) && continue f([f, test], true));
- }
-
- function g5(a) {
- return f([f, g5, test], true) &&
- (f([f, g5, test], false) || continue f([f, test], true));
- }
-
- function g6(a) {
- return f([f, g6, test], 13), f([f, g6, test], 42),
- continue f([f, test], 153);
- }
-
- function g7(a) {
- return f([f, g7, test], false) ||
- (f([f, g7, test], false) ? continue f([f, test], true)
- : continue f([f, test], true));
- }
-
- function g8(a) {
- return f([f, g8, test], false) || f([f, g8, test], true) &&
- continue f([f, test], true);
- }
-
- function g9(a) {
- return f([f, g9, test], true) && f([f, g9, test], false) ||
- continue f([f, test], true);
- }
-
- function g10(a) {
- return f([f, g10, test], true) && f([f, g10, test], false) ||
- f([f, g10, test], true) ?
- f([f, g10, test], true) && f([f, g10, test], false) ||
- continue f([f, test], true) :
- f([f, g10, test], true) && f([f, g10, test], false) ||
- continue f([f, test], true);
- }
-
- function test() {
- assertEquals(true, g1());
- assertEquals(true, g2());
- assertEquals(153, g3());
- assertEquals(true, g4());
- assertEquals(true, g5());
- assertEquals(153, g6());
- assertEquals(true, g7());
- assertEquals(true, g8());
- assertEquals(true, g9());
- assertEquals(true, g10());
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Tail calling from various statements.
-(function() {
- function g3() {
- for (var i = 0; i < 10; i++) {
- return continue f_153([f_153, test]);
- }
- }
-
- function g4() {
- while (true) {
- return continue f_153([f_153, test]);
- }
- }
-
- function g5() {
- do {
- return continue f_153([f_153, test]);
- } while (true);
- }
-
- function test() {
- assertEquals(153, g3());
- assertEquals(153, g4());
- assertEquals(153, g5());
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Test tail calls from try-catch constructs.
-(function() {
- function tc1(a) {
- try {
- f_153([f_153, tc1, test]);
- return f_153([f_153, tc1, test]);
- } catch(e) {
- f_153([f_153, tc1, test]);
- }
- }
-
- function tc2(a) {
- try {
- f_153([f_153, tc2, test]);
- throw new Error("boom");
- } catch(e) {
- f_153([f_153, tc2, test]);
- return continue f_153([f_153, test]);
- }
- }
-
- function tc3(a) {
- try {
- f_153([f_153, tc3, test]);
- throw new Error("boom");
- } catch(e) {
- f_153([f_153, tc3, test]);
- }
- f_153([f_153, tc3, test]);
- return continue f_153([f_153, test]);
- }
-
- function test() {
- assertEquals(153, tc1());
- assertEquals(153, tc2());
- assertEquals(153, tc3());
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Test tail calls from try-finally constructs.
-(function() {
- function tf1(a) {
- try {
- f_153([f_153, tf1, test]);
- return f_153([f_153, tf1, test]);
- } finally {
- f_153([f_153, tf1, test]);
- }
- }
-
- function tf2(a) {
- try {
- f_153([f_153, tf2, test]);
- throw new Error("boom");
- } finally {
- f_153([f_153, tf2, test]);
- return continue f_153([f_153, test]);
- }
- }
-
- function tf3(a) {
- try {
- f_153([f_153, tf3, test]);
- } finally {
- f_153([f_153, tf3, test]);
- }
- return continue f_153([f_153, test]);
- }
-
- function test() {
- assertEquals(153, tf1());
- assertEquals(153, tf2());
- assertEquals(153, tf3());
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Test tail calls from try-catch-finally constructs.
-(function() {
- function tcf1(a) {
- try {
- f_153([f_153, tcf1, test]);
- return f_153([f_153, tcf1, test]);
- } catch(e) {
- } finally {
- f_153([f_153, tcf1, test]);
- }
- }
-
- function tcf2(a) {
- try {
- f_153([f_153, tcf2, test]);
- throw new Error("boom");
- } catch(e) {
- f_153([f_153, tcf2, test]);
- return f_153([f_153, tcf2, test]);
- } finally {
- f_153([f_153, tcf2, test]);
- }
- }
-
- function tcf3(a) {
- try {
- f_153([f_153, tcf3, test]);
- throw new Error("boom");
- } catch(e) {
- f_153([f_153, tcf3, test]);
- } finally {
- f_153([f_153, tcf3, test]);
- return continue f_153([f_153, test]);
- }
- }
-
- function tcf4(a) {
- try {
- f_153([f_153, tcf4, test]);
- throw new Error("boom");
- } catch(e) {
- f_153([f_153, tcf4, test]);
- } finally {
- f_153([f_153, tcf4, test]);
- }
- return continue f_153([f_153, test]);
- }
-
- function test() {
- assertEquals(153, tcf1());
- assertEquals(153, tcf2());
- assertEquals(153, tcf3());
- assertEquals(153, tcf4());
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Test tail calls from arrow functions.
-(function () {
- function g1(a) {
- return continue (() => { return continue f_153([f_153, test]); })();
- }
-
- function g2(a) {
- return continue (() => continue f_153([f_153, test]))();
- }
-
- function g3(a) {
- var closure = () => f([f, closure, test], true)
- ? continue f_153([f_153, test])
- : continue f_153([f_153, test]);
- return continue closure();
- }
-
- function test() {
- assertEquals(153, g1());
- assertEquals(153, g2());
- assertEquals(153, g3());
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
-
-
-// Test tail calls from do expressions.
-(function () {
- function g1(a) {
- var a = do { return continue f_153([f_153, test]); 42; };
- return a;
- }
-
- function test() {
- assertEquals(153, g1());
- }
- test();
- test();
- %OptimizeFunctionOnNextCall(test);
- test();
-})();
« no previous file with comments | « test/message/syntactic-tail-call-without-return.out ('k') | test/mjsunit/es8/syntactic-tail-call-parsing.js » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698