Daniel Wirtz 623597c23a
Make the transition to ArrayBuffer backed Arrays (#70)
* Traverse base classes when resolving overloads
* Implement preliminary TypedArray accessors
* Extract decorator flags from common flags to make space
* Add '**' overload
* Implement basic explicit inlining
* Support inlining of instance methods
* Reduce number of required locals when inlining
* Implement inlining of operator overloads
* Fix issues when inlining generic functions
2018-04-11 23:35:19 +02:00

486 lines
13 KiB
TypeScript

import "allocator/arena";
import { Array } from "array";
import { defaultComparator } from "internal/array";
// Obtains the internal capacity of an array from its backing buffer.
function internalCapacity<T>(array: Array<T>): i32 {
// the memory region used by the backing buffer might still be larger in that the ArrayBuffer
// pre-allocates a power of 2 sized buffer itself and reuses it as long as it isn't exceeded.
var buffer: ArrayBuffer = array.buffer_;
return buffer.byteLength >> alignof<T>();
}
var arr = new Array<i32>();
// Array#push/pop //////////////////////////////////////////////////////////////////////////////////
assert(arr.length == 0);
assert(internalCapacity<i32>(arr) == 0);
arr.push(42);
assert(arr[0] == 42);
assert(arr.length == 1);
assert(internalCapacity<i32>(arr) == 1);
var i = arr.pop();
assert(i == 42);
assert(arr.length == 0);
assert(internalCapacity<i32>(arr) == 1);
arr.push(43);
assert(arr.length == 1);
assert(internalCapacity<i32>(arr) == 1);
assert(arr[0] == 43);
arr.push(44);
assert(arr.length == 2);
assert(internalCapacity<i32>(arr) == 2);
assert(arr[0] == 43);
assert(arr[1] == 44);
arr.push(45);
assert(arr.length == 3);
assert(internalCapacity<i32>(arr) == 3);
assert(arr[0] == 43);
assert(arr[1] == 44);
assert(arr[2] == 45);
// Array#unshift ///////////////////////////////////////////////////////////////////////////////////
arr.unshift(42);
assert(arr.length == 4);
assert(internalCapacity<i32>(arr) == 4);
assert(arr[0] == 42);
assert(arr[1] == 43);
assert(arr[2] == 44);
assert(arr[3] == 45);
arr.unshift(41);
assert(arr.length == 5);
assert(internalCapacity<i32>(arr) == 5);
assert(arr[0] == 41);
assert(arr[1] == 42);
assert(arr[2] == 43);
assert(arr[3] == 44);
assert(arr[4] == 45);
// Array#shift /////////////////////////////////////////////////////////////////////////////////////
i = arr.shift();
assert(i == 41);
assert(arr.length == 4);
assert(internalCapacity<i32>(arr) == 5);
assert(arr[0] == 42);
assert(arr[1] == 43);
assert(arr[2] == 44);
assert(arr[3] == 45);
i = arr.pop();
assert(i == 45);
assert(arr.length == 3);
assert(internalCapacity<i32>(arr) == 5);
assert(arr[0] == 42);
assert(arr[1] == 43);
assert(arr[2] == 44);
// Array#reverse ///////////////////////////////////////////////////////////////////////////////////
arr.reverse();
assert(arr.length == 3);
assert(internalCapacity<i32>(arr) == 5);
assert(arr[0] == 44);
assert(arr[1] == 43);
assert(arr[2] == 42);
arr.push(43);
arr.push(44);
// Array#indexOf ///////////////////////////////////////////////////////////////////////////////////
i = arr.indexOf(44);
assert(i == 0);
i = arr.indexOf(42);
assert(i == 2);
i = arr.indexOf(45);
assert(i == - 1);
i = arr.indexOf(43, 100);
assert(i == - 1);
i = arr.indexOf(43, -100);
assert(i == 1);
i = arr.indexOf(43, -2);
assert(i == 3);
i = arr.indexOf(43, -4);
assert(i == 1);
i = arr.indexOf(43, 0);
assert(i == 1);
i = arr.indexOf(43, 1);
assert(i == 1);
i = arr.indexOf(43, 2);
assert(i == 3);
// Array#includes //////////////////////////////////////////////////////////////////////////////////
var includes = arr.includes(44);
assert(includes == true);
includes = arr.includes(42);
assert(includes == true);
includes = arr.includes(45);
assert(includes == false);
includes = arr.includes(43, 100);
assert(includes == false);
includes = arr.includes(43, -100);
assert(includes == true);
includes = arr.includes(43, -2);
assert(includes == true);
includes = arr.includes(43, -4);
assert(includes == true);
includes = arr.includes(43, 0);
assert(includes == true);
includes = arr.includes(43, 1);
assert(includes == true);
includes = arr.includes(43, 2);
assert(includes == true);
arr.splice(1, 1);
assert(arr.length == 4);
assert(internalCapacity<i32>(arr) == 5);
assert(arr[0] == 44);
assert(arr[1] == 42);
// Array#findIndex /////////////////////////////////////////////////////////////////////////////////
arr[0] = 0;
arr[1] = 1;
arr[2] = 2;
arr[3] = 3;
i = arr.findIndex((value: i32, index: i32, array: Array<i32>): bool => value == 0);
assert(i == 0);
i = arr.findIndex((value: i32, index: i32, array: Array<i32>): bool => value == 1);
assert(i == 1);
i = arr.findIndex((value: i32, index: i32, array: Array<i32>): bool => value == 100);
assert(i == -1);
// Test side effect push
i = arr.findIndex((value: i32, index: i32, array: Array<i32>): bool => {
array.push(100); // push side effect should not affect this method by spec
return value == 100;
});
// array should be changed, but this method result should be calculated for old array length
assert(i == -1);
assert(arr.length == 8);
i = arr.findIndex((value: i32, index: i32, array: Array<i32>): bool => value == 100);
assert(i != -1);
arr.pop();
arr.pop();
arr.pop();
arr.pop();
// Test side effect pop
i = arr.findIndex((value: i32, index: i32, array: Array<i32>): bool => {
array.pop(); // poped items shouldn't be looked up, and we shouldn't go out of bounds
return value == 100;
});
// only 2 first items was looked up, since last 2 was removed by .pop()
assert(i == -1);
assert(arr.length == 2);
arr.push(2);
arr.push(3);
// Array#every /////////////////////////////////////////////////////////////////////////////////////
var every = arr.every((value: i32, index: i32, array: Array<i32>): bool => value >= 0);
assert(every == true);
every = arr.every((value: i32, index: i32, array: Array<i32>): bool => value <= 0);
assert(every == false);
// Test side effect push
every = arr.every((value: i32, index: i32, array: Array<i32>): bool => {
array.push(100); // push side effect should not affect this method by spec
return value < 10;
});
// array should be changed, but this method result should be calculated for old array length
assert(every == true);
assert(arr.length == 8);
every = arr.every((value: i32, index: i32, array: Array<i32>): bool => value < 10);
assert(every == false);
arr.pop();
arr.pop();
arr.pop();
arr.pop();
// Test side effect pop
every = arr.every((value: i32, index: i32, array: Array<i32>): bool => {
array.pop(); //poped items shouldn't be looked up, and we shouldn't go out of bounds
return value < 3;
});
// only 2 first items was looked up, since last 2 was removed by .pop()
assert(every == true);
assert(arr.length == 2);
arr.push(2);
arr.push(3);
// Array#some //////////////////////////////////////////////////////////////////////////////////////
var some = arr.some((value: i32, index: i32, array: Array<i32>): bool => value >= 3);
assert(some == true);
some = arr.some((value: i32, index: i32, array: Array<i32>): bool => value <= -1);
assert(some == false);
// Test side effect push
some = arr.some((value: i32, index: i32, array: Array<i32>): bool => {
array.push(100); // push side effect should not affect this method by spec
return value > 10;
});
// array should be changed, but this method result should be calculated for old array length
assert(some == false);
assert(arr.length == 8);
some = arr.some((value: i32, index: i32, array: Array<i32>): bool => value > 10);
assert(some == true);
arr.pop();
arr.pop();
arr.pop();
arr.pop();
// Test side effect pop
some = arr.some((value: i32, index: i32, array: Array<i32>): bool => {
array.pop(); // poped items shouldn't be looked up, and we shouldn't go out of bounds
return value > 3;
});
// only 2 first items was looked up, since last 2 was removed by .pop()
assert(some == false);
assert(arr.length == 2);
arr.push(2);
arr.push(3);
// Array#reduce ////////////////////////////////////////////////////////////////////////////////////
i = arr.reduce<i32>(((prev: i32, current: i32, index: i32, array: Array<i32>): i32 => prev + current), 0);
assert(i == 6);
// init value
i = arr.reduce<i32>(((prev: i32, current: i32, index: i32, array: Array<i32>): i32 => prev + current), 4);
assert(i == 10);
var boolVal = arr.reduce<bool>(((prev: bool, current: i32, index: i32, array: Array<i32>): bool => prev || current > 2), false);
assert(boolVal == true);
boolVal = arr.reduce<bool>(((prev: bool, current: i32, index: i32, array: Array<i32>): bool => prev || current > 100), false);
assert(boolVal == false);
// Test side effect push
i = arr.reduce<i32>(((prev: i32, current: i32, index: i32, array: Array<i32>): i32 => {
array.push(1); // push side effect should not affect this method by spec
return prev + current;
}), 0);
// array should be changed, but this method result should be calculated for old array length
assert(i == 6);
assert(arr.length == 8);
i = arr.reduce<i32>(((prev: i32, current: i32, index: i32, array: Array<i32>): i32 => prev + current), 0);
assert(i == 10);
arr.pop();
arr.pop();
arr.pop();
arr.pop();
// Test side effect pop
i = arr.reduce<i32>(((prev: i32, current: i32, index: i32, array: Array<i32>): i32 => {
array.pop(); //poped items shouldn't be reduced, and we shouldn't go out of bounds
return prev + current;
}), 0);
// only 2 first items was reduced, since last 2 was removed by .pop()
assert(i == 1);
assert(arr.length == 2);
// Array#sort //////////////////////////////////////////////////////////////////////////////////////
// Checks if an array is properly sorted
function isSorted<T>(data: Array<T>, comparator: (a: T, b: T) => i32 = defaultComparator<T>()): bool {
for (let i: i32 = 1, len: i32 = data.length; i < len; i++) {
if (comparator(data[i - 1], data[i]) > 0) return false;
}
return true;
}
// Checks if two arrays are equal
function isArraysEqual<T>(a: Array<T>, b: Array<T>, len: i32 = 0): bool {
if (!len) {
if (a.length != b.length) return false;
len = a.length;
}
for (let i = 0; i < len; i++) {
if (a[i] != b[i]) return false;
}
return true;
}
function createReverseOrderedArray(size: i32): Array<i32> {
var arr = new Array<i32>(size);
for (let i = 0; i < arr.length; i++) {
arr[i] = arr.length - 1 - i;
}
return arr;
}
NativeMath.seedRandom(reinterpret<u64>(JSMath.random()));
function createRandomOrderedArray(size: i32): Array<i32> {
var arr = new Array<i32>(size);
for (let i = 0; i < arr.length; i++) {
arr[i] = <i32>(NativeMath.random() * arr.length);
}
return arr;
}
/*
function createReverseOrderedNestedArray(size: i32): Array<Array<i32>> {
var arr = new Array<Array<i32>>(size);
for (let i: i32 = 0; i < arr.length; i++) {
arr[i] = new Array<i32>(1);
arr[i][0] = arr.length - 1 - i;
}
return arr;
}
class Proxy<T> {
constructor(public x: T) {}
}
function createReverseOrderedElementsArray(size: i32): Proxy<i32>[] {
var arr = new Array<Proxy<i32>>(size);
for (let i: i32 = 0; i < arr.length; i++) {
arr[i] = new Proxy<i32>(arr.length - 1 - i);
}
return arr;
}
*/
function assertSorted<T>(arr: Array<T>, comparator: (a: T, b: T) => i32): void {
assert(isSorted<T>(arr.sort(comparator), comparator));
}
function assertSortedDefault<T>(arr: Array<T>): void {
assertSorted<T>(arr, defaultComparator<T>());
}
var reversed0: Array<i32> = [];
var reversed1: Array<i32> = [1];
var reversed2: Array<i32> = [2, 1];
var reversed4: Array<i32> = [3, 2, 1, 0];
var expected4: Array<i32> = [0, 1, 2, 3];
var reversed64 = createReverseOrderedArray(64);
var reversed128 = createReverseOrderedArray(128);
var reversed1024 = createReverseOrderedArray(1024);
var reversed10000 = createReverseOrderedArray(10000);
var randomized512 = createRandomOrderedArray(512);
// Test sorting with with default comparator
assertSortedDefault<i32>(reversed0);
assertSortedDefault<i32>(reversed1);
assert(isArraysEqual<i32>(reversed1, <i32[]>[1]));
assertSortedDefault<i32>(reversed2);
assert(isArraysEqual<i32>(reversed2, <i32[]>[1, 2]));
assertSortedDefault<i32>(reversed4);
assert(isArraysEqual<i32>(reversed4, expected4));
assertSortedDefault<i32>(reversed64);
assert(isArraysEqual<i32>(reversed64, expected4, 4));
assertSortedDefault<i32>(reversed128);
assert(isArraysEqual<i32>(reversed128, expected4, 4));
assertSortedDefault<i32>(reversed1024);
assert(isArraysEqual<i32>(reversed1024, expected4, 4));
assertSortedDefault<i32>(reversed10000);
assert(isArraysEqual<i32>(reversed10000, expected4, 4));
assertSortedDefault<i32>(randomized512);
// Test sorting with custom comparator
var randomized64 = createRandomOrderedArray(64);
var randomized257 = createRandomOrderedArray(257);
assertSorted<i32>(randomized64, (a: i32, b: i32): i32 => a - b);
assertSorted<i32>(randomized64, (a: i32, b: i32): i32 => b - a);
assertSorted<i32>(randomized257, (a: i32, b: i32): i32 => a - b);
assertSorted<i32>(randomized257, (a: i32, b: i32): i32 => b - a);
// Test sorting complex objects
// var reversedNested512 = createReverseOrderedNestedArray(512);
// assertSorted<i32[]>(reversedNested512, (a: i32[], b: i32[]): i32 => a[0] - b[0]);
// Test sorting reference elements
// var reversedElements512 = createReverseOrderedElementsArray(512);
// assertSorted<Proxy<i32>>(reversedElements512, (a: Proxy<i32>, b: Proxy<i32>): i32 => a.x - b.x);