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process: split execution entry points into main scripts #25667

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process: split execution entry points into main scripts #25667

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bd31a52
process: split execution into main scripts
joyeecheung Jan 15, 2019
857d84f
worker: move worker thread setup code into the main script
joyeecheung Jan 15, 2019
455c923
fixup! process: split execution into main scripts
joyeecheung Jan 29, 2019
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19 changes: 9 additions & 10 deletions lib/internal/bootstrap/cache.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,33 +13,32 @@ const { hasTracing, hasInspector } = process.binding('config');

// Modules with source code compiled in js2c that
// cannot be compiled with the code cache.
const cannotUseCache = [
const cannotBeRequired = [
'sys', // Deprecated.
'internal/v8_prof_polyfill',
'internal/v8_prof_processor',

'internal/per_context',

'internal/test/binding',
// TODO(joyeecheung): update the C++ side so that
// the code cache is also used when compiling these two files.

'internal/bootstrap/loaders',
'internal/bootstrap/node'
];

// Skip modules that cannot be required when they are not
// built into the binary.
if (!hasInspector) {
cannotUseCache.push(
cannotBeRequired.push(
'inspector',
'internal/util/inspector',
);
}
if (!hasTracing) {
cannotUseCache.push('trace_events');
cannotBeRequired.push('trace_events');
}
if (!process.versions.openssl) {
cannotUseCache.push(
cannotBeRequired.push(
'crypto',
'https',
'http2',
Expand Down Expand Up @@ -67,10 +66,10 @@ if (!process.versions.openssl) {

const cachableBuiltins = [];
for (const id of NativeModule.map.keys()) {
if (id.startsWith('internal/deps')) {
cannotUseCache.push(id);
if (id.startsWith('internal/deps') || id.startsWith('internal/main')) {
cannotBeRequired.push(id);
}
if (!cannotUseCache.includes(id)) {
if (!cannotBeRequired.includes(id)) {
cachableBuiltins.push(id);
}
}
Expand All @@ -79,5 +78,5 @@ module.exports = {
cachableBuiltins,
getCodeCache,
compileFunction,
cannotUseCache
cannotBeRequired
};
12 changes: 9 additions & 3 deletions lib/internal/bootstrap/loaders.js
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Original file line number Diff line number Diff line change
Expand Up @@ -160,7 +160,12 @@ internalBinding('module_wrap').callbackMap = new WeakMap();

// Think of this as module.exports in this file even though it is not
// written in CommonJS style.
const loaderExports = { internalBinding, NativeModule };
const loaderExports = {
internalBinding,
NativeModule,
require: nativeModuleRequire
};

const loaderId = 'internal/bootstrap/loaders';

// Set up NativeModule.
Expand Down Expand Up @@ -194,7 +199,7 @@ for (var i = 0; i < moduleIds.length; ++i) {
NativeModule.map.set(id, mod);
}

NativeModule.require = function(id) {
function nativeModuleRequire(id) {
if (id === loaderId) {
return loaderExports;
}
Expand All @@ -218,8 +223,9 @@ NativeModule.require = function(id) {
moduleLoadList.push(`NativeModule ${id}`);
mod.compile();
return mod.exports;
};
}

NativeModule.require = nativeModuleRequire;
NativeModule.exists = function(id) {
return NativeModule.map.has(id);
};
Expand Down
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