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Add initial Date bindings
Doesn't do much, yet, because we can't get the timezone with a plain binding, but it's at least something.
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8 files changed

+640
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lines changed

‎std/assembly/bindings/Date.ts‎

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export declare function UTC(
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year: i32,
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month: i32,
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day: i32,
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hour: i32,
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minute: i32,
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second: i32,
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millisecond: i32
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): f64;
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export declare function now(): f64;

‎std/assembly/date.ts‎

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import {
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UTC as Date_UTC,
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now as Date_now
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} from "./bindings/Date";
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export class Date {
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@inline static UTC(
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year: i32,
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month: i32 = 0,
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day: i32 = 1,
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hour: i32 = 0,
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minute: i32 = 0,
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second: i32 = 0,
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millisecond: i32 = 0
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): i64 {
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return <i64>Date_UTC(year, month, day, hour, minute, second, millisecond);
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}
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@inline static now(): i64 {
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return <i64>Date_now();
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}
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private value: i64;
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constructor(value: i64) {
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this.value = value;
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}
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getTime(): i64 {
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return this.value;
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}
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setTime(value: i64): void {
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this.value = value;
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}
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}

‎std/assembly/index.d.ts‎

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@@ -657,6 +657,27 @@ declare const Math: IMath<f64>;
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/** Alias of {@link NativeMathf} or {@link JSMath} respectively. Defaults to `NativeMathf`. */
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declare const Mathf: IMath<f32>;
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declare class Date {
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/** Returns the UTC timestamp in milliseconds of the specified date. */
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static UTC(
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year: i32,
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month: i32,
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day: i32,
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hour: i32,
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minute: i32,
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second: i32,
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millisecond: i32
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): i64;
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/** Returns the current UTC timestamp in milliseconds. */
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static now(): i64;
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/** Constructs a new date object from an UTC timestamp in milliseconds. */
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constructor(value: i64);
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/** Returns the UTC timestamp of this date in milliseconds. */
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getTime(): i64;
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/** Sets the UTC timestamp of this date in milliseconds. */
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setTime(value: i64): void;
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}
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/** Environmental tracing function for debugging purposes. */
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declare function trace(msg: string, n?: i32, a0?: f64, a1?: f64, a2?: f64, a3?: f64, a4?: f64): void;
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‎std/portable/index.d.ts‎

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@@ -424,6 +424,27 @@ declare const Math: IMath;
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declare const Mathf: IMath;
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declare const JSMath: IMath;
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declare class Date {
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/** Returns the UTC timestamp in milliseconds of the specified date. */
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static UTC(
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year: i32,
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month: i32,
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day: i32,
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hour: i32,
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minute: i32,
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second: i32,
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millisecond: i32
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): number;
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/** Returns the current UTC timestamp in milliseconds. */
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static now(): number;
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/** Constructs a new date object from an UTC timestamp in milliseconds. */
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constructor(value: number);
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/** Returns the UTC timestamp of this date in milliseconds. */
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getTime(): number;
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/** Sets the UTC timestamp of this date in milliseconds. */
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setTime(value: number): void;
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}
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declare namespace console {
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/** @deprecated */
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function log(message: string): void;

‎tests/compiler.js‎

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@@ -192,7 +192,8 @@ tests.forEach(filename => {
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math: {
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mod: function(a, b) { return a % b; }
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},
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Math: Math,
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Math,
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Date,
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// tests/declare
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declare: {

‎tests/compiler/std/date.optimized.wat‎

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(module
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(type $iiiiiiiF (func (param i32 i32 i32 i32 i32 i32 i32) (result f64)))
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(type $iiiiv (func (param i32 i32 i32 i32)))
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(type $F (func (result f64)))
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(type $ii (func (param i32) (result i32)))
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(type $v (func))
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(import "Date" "UTC" (func $~lib/bindings/Date/UTC (param i32 i32 i32 i32 i32 i32 i32) (result f64)))
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(import "env" "abort" (func $~lib/env/abort (param i32 i32 i32 i32)))
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(import "Date" "now" (func $~lib/bindings/Date/now (result f64)))
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(memory $0 1)
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(data (i32.const 8) "\0b\00\00\00s\00t\00d\00/\00d\00a\00t\00e\00.\00t\00s")
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(table $0 1 anyfunc)
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(elem (i32.const 0) $null)
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(global $~lib/allocator/arena/startOffset (mut i32) (i32.const 0))
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(global $~lib/allocator/arena/offset (mut i32) (i32.const 0))
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(global $std/date/creationTime (mut i64) (i64.const 0))
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(global $std/date/date (mut i32) (i32.const 0))
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(export "memory" (memory $0))
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(export "table" (table $0))
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(start $start)
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(func $~lib/allocator/arena/__memory_allocate (; 3 ;) (type $ii) (param $0 i32) (result i32)
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(local $1 i32)
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(local $2 i32)
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(local $3 i32)
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get_local $0
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i32.const 1073741824
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i32.gt_u
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if
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unreachable
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end
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get_global $~lib/allocator/arena/offset
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tee_local $1
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get_local $0
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i32.const 1
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get_local $0
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i32.const 1
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i32.gt_u
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select
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i32.add
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i32.const 7
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i32.add
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i32.const -8
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i32.and
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tee_local $2
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current_memory
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tee_local $3
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i32.const 16
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i32.shl
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i32.gt_u
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if
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get_local $3
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get_local $2
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get_local $1
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i32.sub
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i32.const 65535
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i32.add
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i32.const -65536
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i32.and
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i32.const 16
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i32.shr_u
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tee_local $0
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get_local $3
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get_local $0
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i32.gt_s
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select
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grow_memory
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i32.const 0
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i32.lt_s
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if
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get_local $0
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grow_memory
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i32.const 0
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i32.lt_s
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if
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unreachable
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end
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end
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end
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get_local $2
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set_global $~lib/allocator/arena/offset
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get_local $1
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)
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(func $start (; 4 ;) (type $v)
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(local $0 i32)
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(local $1 i64)
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i32.const 40
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set_global $~lib/allocator/arena/startOffset
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get_global $~lib/allocator/arena/startOffset
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set_global $~lib/allocator/arena/offset
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i32.const 1970
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i32.const 0
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i32.const 1
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i32.const 0
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i32.const 0
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i32.const 0
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i32.const 0
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call $~lib/bindings/Date/UTC
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i64.trunc_s/f64
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i64.const 0
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i64.ne
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if
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i32.const 0
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i32.const 8
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i32.const 3
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i32.const 0
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call $~lib/env/abort
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unreachable
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end
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i32.const 1970
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i32.const 0
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i32.const 1
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i32.const 0
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i32.const 0
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i32.const 0
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i32.const 0
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call $~lib/bindings/Date/UTC
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i64.trunc_s/f64
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i64.const 0
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i64.ne
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if
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i32.const 0
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i32.const 8
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i32.const 4
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i32.const 0
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call $~lib/env/abort
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unreachable
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end
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i32.const 2018
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i32.const 10
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i32.const 10
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i32.const 11
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i32.const 0
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i32.const 0
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i32.const 1
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call $~lib/bindings/Date/UTC
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i64.trunc_s/f64
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set_global $std/date/creationTime
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get_global $std/date/creationTime
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i64.const 1541847600001
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i64.ne
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if
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i32.const 0
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i32.const 8
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i32.const 7
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i32.const 0
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call $~lib/env/abort
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unreachable
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end
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call $~lib/bindings/Date/now
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i64.trunc_s/f64
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get_global $std/date/creationTime
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i64.le_s
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if
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i32.const 0
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i32.const 8
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i32.const 9
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i32.const 0
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call $~lib/env/abort
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unreachable
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end
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get_global $std/date/creationTime
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set_local $1
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i32.const 8
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call $~lib/allocator/arena/__memory_allocate
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tee_local $0
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i64.const 0
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i64.store
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get_local $0
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get_local $1
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i64.store
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get_local $0
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set_global $std/date/date
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get_global $std/date/date
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i64.load
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get_global $std/date/creationTime
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i64.ne
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if
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i32.const 0
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i32.const 8
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i32.const 12
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i32.const 0
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call $~lib/env/abort
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unreachable
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end
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get_global $std/date/date
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get_global $std/date/creationTime
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i64.const 1
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i64.add
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i64.store
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get_global $std/date/date
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i64.load
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get_global $std/date/creationTime
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i64.const 1
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i64.add
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i64.ne
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if
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i32.const 0
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i32.const 8
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i32.const 14
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i32.const 0
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call $~lib/env/abort
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unreachable
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end
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)
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(func $null (; 5 ;) (type $v)
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nop
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)
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)

‎tests/compiler/std/date.ts‎

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import "allocator/arena";
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assert(Date.UTC(1970, 0, 1) == 0);
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assert(Date.UTC(1970, 0, 1, 0, 0, 0, 0) == 0);
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var creationTime = Date.UTC(2018, 10, 10, 11, 0, 0, 1);
7+
assert(creationTime == 1541847600001);
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assert(Date.now() > creationTime);
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var date = new Date(creationTime);
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assert(date.getTime() == creationTime);
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date.setTime(creationTime + 1);
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assert(date.getTime() == creationTime + 1);

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