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symbols

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dcode
2019-03-14 07:45:59 +01:00
parent 84ddd97761
commit 3b8c2331f4
9 changed files with 803 additions and 807 deletions
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2
std/assembly/index.d.ts vendored
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@ -1023,7 +1023,7 @@ declare class ArrayBuffer {
/** Returns true if value is one of the ArrayBuffer views, such as typed array or a DataView **/
static isView<T>(value: T): bool;
/** Constructs a new array buffer of the given length in bytes. */
constructor(length: i32, unsafe?: bool);
constructor(length: i32);
/** Returns a copy of this array buffer's bytes from begin, inclusive, up to end, exclusive. */
slice(begin?: i32, end?: i32): ArrayBuffer;
/** Returns a string representation of ArrayBuffer. */

4
std/assembly/map.ts
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@ -72,7 +72,7 @@ export class Map<K,V> {
this.buckets = new ArrayBuffer(bucketsSize);
this.bucketsMask = INITIAL_CAPACITY - 1;
const entriesSize = INITIAL_CAPACITY * <i32>ENTRY_SIZE<K,V>();
this.entries = new ArrayBuffer(entriesSize, true);
this.entries = new ArrayBuffer(entriesSize);
this.entriesCapacity = INITIAL_CAPACITY;
this.entriesOffset = 0;
this.entriesCount = 0;
@ -147,7 +147,7 @@ export class Map<K,V> {
var newBucketsCapacity = <i32>(newBucketsMask + 1);
var newBuckets = new ArrayBuffer(newBucketsCapacity * <i32>BUCKET_SIZE);
var newEntriesCapacity = <i32>(newBucketsCapacity * FILL_FACTOR);
var newEntries = new ArrayBuffer(newEntriesCapacity * <i32>ENTRY_SIZE<K,V>(), true);
var newEntries = new ArrayBuffer(newEntriesCapacity * <i32>ENTRY_SIZE<K,V>());
// copy old entries to new entries
var oldPtr = changetype<usize>(this.entries);

4
std/assembly/runtime.ts
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@ -12,8 +12,8 @@ export namespace runtime {
// @ts-ignore: decorator
@lazy @inline
static readonly SIZE: usize = gc.implemented
? (offsetof<Header>( ) + AL_MASK) & ~AL_MASK // full header if GC is present
: (offsetof<Header>("gc1") + AL_MASK) & ~AL_MASK; // half header if GC is absent
? (offsetof<runtime.Header>( ) + AL_MASK) & ~AL_MASK // full header if GC is present
: (offsetof<runtime.Header>("gc1") + AL_MASK) & ~AL_MASK; // half header if GC is absent
/** Magic value used to validate runtime headers. */
// @ts-ignore: decorator

122
std/assembly/symbol.ts
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@ -1,12 +1,83 @@
import { Map } from "./map";
@lazy var stringToId: Map<string, usize>;
@lazy var idToString: Map<usize, string>;
@lazy var nextId: usize = 12; // Symbol.unscopables + 1
// @ts-ignore: decorator
@lazy
var stringToId: Map<string, usize>;
// @ts-ignore: decorator
@lazy
var idToString: Map<usize, string>;
// @ts-ignore: decorator
@lazy
var nextId: usize = 12; // Symbol.unscopables + 1
@unmanaged abstract class _Symbol {
// @ts-ignore: decorator
@lazy
static readonly hasInstance: symbol = changetype<symbol>(1);
// @ts-ignore: decorator
@lazy
static readonly isConcatSpreadable: symbol = changetype<symbol>(2);
// @ts-ignore: decorator
@lazy
static readonly isRegExp: symbol = changetype<symbol>(3);
// @ts-ignore: decorator
@lazy
static readonly iterator: symbol = changetype<symbol>(3);
// @ts-ignore: decorator
@lazy
static readonly match: symbol = changetype<symbol>(4);
// @ts-ignore: decorator
@lazy
static readonly replace: symbol = changetype<symbol>(5);
// @ts-ignore: decorator
@lazy
static readonly search: symbol = changetype<symbol>(6);
// @ts-ignore: decorator
@lazy
static readonly species: symbol = changetype<symbol>(7);
// @ts-ignore: decorator
@lazy
static readonly split: symbol = changetype<symbol>(8);
// @ts-ignore: decorator
@lazy
static readonly toPrimitive: symbol = changetype<symbol>(9);
// @ts-ignore: decorator
@lazy
static readonly toStringTag: symbol = changetype<symbol>(10);
// @ts-ignore: decorator
@lazy
static readonly unscopables: symbol = changetype<symbol>(11);
static for(key: string): symbol {
if (!stringToId) { stringToId = new Map(); idToString = new Map(); }
else if (stringToId.has(key)) return changetype<symbol>(stringToId.get(key));
var id = nextId++;
if (!id) unreachable(); // out of ids
stringToId.set(key, id);
idToString.set(id, key);
return changetype<symbol>(id);
}
static keyFor(sym: symbol): string | null {
return idToString !== null && idToString.has(changetype<usize>(sym))
? idToString.get(changetype<usize>(sym))
: null;
}
@unmanaged
// @ts-ignore: nolib
export class symbol {
toString(): string {
var id = changetype<usize>(this);
var str = "";
@ -37,40 +108,7 @@ export function Symbol(description: string | null = null): symbol {
return changetype<symbol>(id);
}
export namespace Symbol {
export type Symbol = _Symbol;
// well-known symbols
@lazy export const hasInstance = changetype<symbol>(1);
@lazy export const isConcatSpreadable = changetype<symbol>(2);
@lazy export const isRegExp = changetype<symbol>(3);
@lazy export const iterator = changetype<symbol>(3);
@lazy export const match = changetype<symbol>(4);
@lazy export const replace = changetype<symbol>(5);
@lazy export const search = changetype<symbol>(6);
@lazy export const species = changetype<symbol>(7);
@lazy export const split = changetype<symbol>(8);
@lazy export const toPrimitive = changetype<symbol>(9);
@lazy export const toStringTag = changetype<symbol>(10);
@lazy export const unscopables = changetype<symbol>(11);
// FIXME
/* tslint:disable */// not valid TS
// @ts-ignore: identifier
export function for(key: string): symbol {
if (!stringToId) { stringToId = new Map(); idToString = new Map(); }
else if (stringToId.has(key)) return changetype<symbol>(stringToId.get(key));
var id = nextId++;
if (!id) unreachable(); // out of ids
stringToId.set(key, id);
idToString.set(id, key);
return changetype<symbol>(id);
}
/* tslint:enable */
export function keyFor(sym: symbol): string | null {
return idToString !== null && idToString.has(changetype<usize>(sym))
? idToString.get(changetype<usize>(sym))
: null;
}
}
// @ts-ignore: nolib
export type symbol = _Symbol;