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Clean up how we use opIds (#4118)

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Ryan Dahl 2020-02-25 09:14:27 -05:00 • committed by GitHub
parent 805992b14a
commit 91b606aaae
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74 changed files with 367 additions and 589 deletions
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24
cli/js/compiler_util.ts
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@ -6,7 +6,6 @@ import { buildBundle } from "./compiler_bundler.ts";
import { ConfigureResponse, Host } from "./compiler_host.ts";
import { SourceFile } from "./compiler_sourcefile.ts";
import { sendSync } from "./dispatch_json.ts";
import * as dispatch from "./dispatch.ts";
import { TextDecoder, TextEncoder } from "./text_encoding.ts";
import { core } from "./core.ts";
import * as util from "./util.ts";
@ -71,7 +70,7 @@ function cache(
if (emittedFileName.endsWith(".map")) {
// Source Map
sendSync(dispatch.OP_CACHE, {
sendSync("op_cache", {
extension: ".map",
moduleId,
contents
@ -81,7 +80,7 @@ function cache(
emittedFileName.endsWith(".json")
) {
// Compiled JavaScript
sendSync(dispatch.OP_CACHE, {
sendSync("op_cache", {
extension: ".js",
moduleId,
contents
@ -91,30 +90,15 @@ function cache(
}
}
let OP_FETCH_ASSET: number;
const encoder = new TextEncoder();
const decoder = new TextDecoder();
/** Retrieve an asset from Rust. */
export function getAsset(name: string): string {
// this path should only be called for assets that are lazily loaded at
// runtime
if (dispatch.OP_FETCH_ASSET) {
util.log("compiler_util::getAsset", name);
return sendSync(dispatch.OP_FETCH_ASSET, { name }).sourceCode;
}
// this path should only be taken during snapshotting
if (!OP_FETCH_ASSET) {
const ops = core.ops();
const opFetchAsset = ops["fetch_asset"];
assert(opFetchAsset, "OP_FETCH_ASSET is not registered");
OP_FETCH_ASSET = opFetchAsset;
}
const opId = core.ops()["op_fetch_asset"];
// We really don't want to depend on JSON dispatch during snapshotting, so
// this op exchanges strings with Rust as raw byte arrays.
const sourceCodeBytes = core.dispatch(OP_FETCH_ASSET, encoder.encode(name));
const sourceCodeBytes = core.dispatch(opId, encoder.encode(name));
return decoder.decode(sourceCodeBytes!);
}