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Properly inline getters; Simplify blocks when last statement returns

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This commit is contained in:
dcodeIO
2018-06-22 15:26:59 +02:00
parent 525795b354
commit 7a8995b18b
75 changed files with 5090 additions and 6836 deletions
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44
std/assembly/symbol.ts
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@ -1,30 +1,50 @@
import { Map } from "./map";
var nextId: usize = 1;
var stringToId: Map<string, usize>;
var idToString: Map<usize, string>;
var nextId: usize = 12; // Symbol.unscopables + 1
export class Symbol {
@unmanaged export class symbol {}
static for(key: string): Symbol {
type Symbol = symbol;
export function Symbol(description: string | null = null): symbol {
var id = nextId++;
if (!id) unreachable(); // out of ids
return changetype<symbol>(id);
}
export namespace Symbol {
// well-known symbols
export const hasInstance = changetype<symbol>(1);
export const concatSpreadable = changetype<symbol>(2);
export const isRegExp = changetype<symbol>(3);
export const iterator = changetype<symbol>(3);
export const match = changetype<symbol>(4);
export const replace = changetype<symbol>(5);
export const search = changetype<symbol>(6);
export const species = changetype<symbol>(7);
export const split = changetype<symbol>(8);
export const toPrimitive = changetype<symbol>(9);
export const toStringTag = changetype<symbol>(10);
export const unscopables = changetype<symbol>(11);
/* tslint:disable */// not valid TS
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));
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);
return changetype<symbol>(id);
}
/* tslint:enable */
static keyFor(sym: Symbol): string | null {
export function keyFor(sym: symbol): string | null {
return idToString !== null && idToString.has(changetype<usize>(sym))
? idToString.get(changetype<usize>(sym))
: null;
}
constructor(description: string | null = null) {
var id = nextId++;
if (!id) unreachable(); // out of ids
return changetype<Symbol>(id);
}
}