Diffusion Ant (master) Code

ant/examples/jit/closures.js
8755416ca476master

closures.js
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			function test1() {
			function inner() {
			return 42;
			}
			return inner();
			}
			for (let i = 0; i < 110; i++) test1();
			console.log('[test1] simple inner fn:', test1(), 'ok:', test1() === 42);

			function test2(x) {
			function inner() {
			return x;
			}
			return inner();
			}
			for (let i = 0; i < 110; i++) test2(i);
			console.log('[test2] capture param:', test2(99), 'ok:', test2(99) === 99);

			function test3() {
			let val = 100;
			function inner() {
			return val;
			}
			return inner();
			}
			for (let i = 0; i < 110; i++) test3();
			console.log('[test3] capture local:', test3(), 'ok:', test3() === 100);

			function test4() {
			let count = 0;
			function inc() {
			count = count + 1;
			}
			inc();
			inc();
			inc();
			return count;
			}
			for (let i = 0; i < 110; i++) test4();
			console.log('[test4] mutate upval:', test4(), 'ok:', test4() === 3);

			function test5() {
			let n = 0;
			function next() {
			n = n + 1;
			return n;
			}
			next();
			next();
			return next();
			}
			for (let i = 0; i < 110; i++) test5();
			console.log('[test5] counter:', test5(), 'ok:', test5() === 3);

			function test6() {
			let x = 10;
			return function () {
			return x;
			};
			}
			let fn6 = test6();
			console.log('[test6] returned closure:', fn6(), 'ok:', fn6() === 10);

			function test7() {
			let fns = [];
			for (let i = 0; i < 5; i++) {
			fns.push(function () {
			return i;
			});
			}
			return fns[0]() + fns[1]() + fns[2]() + fns[3]() + fns[4]();
			}
			console.log('[test7] loop closures:', test7(), 'ok:', test7() === 10);

			function test8(n) {
			let sum = 0;
			function addTo(x) {
			sum = sum + x;
			}
			for (let i = 0; i < n; i++) addTo(i);
			return sum;
			}
			for (let i = 0; i < 110; i++) test8(10);
			let r8 = test8(1000);
			let e8 = (999 * 1000) / 2;
			console.log('[test8] hot closure call:', r8, 'ok:', r8 === e8);

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