forked from zhurui/management
413 lines
14 KiB
JavaScript
413 lines
14 KiB
JavaScript
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#!/usr/bin/env node
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/*********************************************************************
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* NAN - Native Abstractions for Node.js
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*
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* Copyright (c) 2018 NAN contributors
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*
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* MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
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********************************************************************/
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var commander = require('commander'),
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fs = require('fs'),
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glob = require('glob'),
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groups = [],
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total = 0,
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warning1 = '/* ERROR: Rewrite using Buffer */\n',
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warning2 = '\\/\\* ERROR\\: Rewrite using Buffer \\*\\/\\n',
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length,
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i;
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fs.readFile(__dirname + '/package.json', 'utf8', function (err, data) {
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if (err) {
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throw err;
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}
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commander
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.version(JSON.parse(data).version)
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.usage('[options] <file ...>')
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.parse(process.argv);
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if (!process.argv.slice(2).length) {
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commander.outputHelp();
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}
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});
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/* construct strings representing regular expressions
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each expression contains a unique group allowing for identification of the match
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the index of this key group, relative to the regular expression in question,
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is indicated by the first array member */
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/* simple substistutions, key group is the entire match, 0 */
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groups.push([0, [
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'_NAN_',
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'NODE_SET_METHOD',
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'NODE_SET_PROTOTYPE_METHOD',
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'NanAsciiString',
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'NanEscapeScope',
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'NanReturnValue',
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'NanUcs2String'].join('|')]);
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/* substitutions of parameterless macros, key group is 1 */
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groups.push([1, ['(', [
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'NanEscapableScope',
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'NanReturnNull',
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'NanReturnUndefined',
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'NanScope'].join('|'), ')\\(\\)'].join('')]);
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/* replace TryCatch with NanTryCatch once, gobbling possible namespace, key group 2 */
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groups.push([2, '(?:(?:v8\\:\\:)?|(Nan)?)(TryCatch)']);
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/* NanNew("string") will likely not fail a ToLocalChecked(), key group 1 */
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groups.push([1, ['(NanNew)', '(\\("[^\\"]*"[^\\)]*\\))(?!\\.ToLocalChecked\\(\\))'].join('')]);
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/* Removed v8 APIs, warn that the code needs rewriting using node::Buffer, key group 2 */
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groups.push([2, ['(', warning2, ')?', '^.*?(', [
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'GetIndexedPropertiesExternalArrayDataLength',
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'GetIndexedPropertiesExternalArrayData',
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'GetIndexedPropertiesExternalArrayDataType',
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'GetIndexedPropertiesPixelData',
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'GetIndexedPropertiesPixelDataLength',
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'HasIndexedPropertiesInExternalArrayData',
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'HasIndexedPropertiesInPixelData',
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'SetIndexedPropertiesToExternalArrayData',
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'SetIndexedPropertiesToPixelData'].join('|'), ')'].join('')]);
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/* No need for NanScope in V8-exposed methods, key group 2 */
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groups.push([2, ['((', [
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'NAN_METHOD',
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'NAN_GETTER',
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'NAN_SETTER',
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'NAN_PROPERTY_GETTER',
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'NAN_PROPERTY_SETTER',
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'NAN_PROPERTY_ENUMERATOR',
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'NAN_PROPERTY_DELETER',
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'NAN_PROPERTY_QUERY',
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'NAN_INDEX_GETTER',
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'NAN_INDEX_SETTER',
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'NAN_INDEX_ENUMERATOR',
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'NAN_INDEX_DELETER',
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'NAN_INDEX_QUERY'].join('|'), ')\\([^\\)]*\\)\\s*\\{)\\s*NanScope\\(\\)\\s*;'].join('')]);
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/* v8::Value::ToXXXXXXX returns v8::MaybeLocal<T>, key group 3 */
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groups.push([3, ['([\\s\\(\\)])([^\\s\\(\\)]+)->(', [
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'Boolean',
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'Number',
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'String',
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'Object',
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'Integer',
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'Uint32',
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'Int32'].join('|'), ')\\('].join('')]);
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/* v8::Value::XXXXXXXValue returns v8::Maybe<T>, key group 3 */
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groups.push([3, ['([\\s\\(\\)])([^\\s\\(\\)]+)->((?:', [
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'Boolean',
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'Number',
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'Integer',
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'Uint32',
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'Int32'].join('|'), ')Value)\\('].join('')]);
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/* NAN_WEAK_CALLBACK macro was removed, write out callback definition, key group 1 */
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groups.push([1, '(NAN_WEAK_CALLBACK)\\(([^\\s\\)]+)\\)']);
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/* node::ObjectWrap and v8::Persistent have been replaced with Nan implementations, key group 1 */
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groups.push([1, ['(', [
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'NanDisposePersistent',
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'NanObjectWrapHandle'].join('|'), ')\\s*\\(\\s*([^\\s\\)]+)'].join('')]);
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/* Since NanPersistent there is no need for NanMakeWeakPersistent, key group 1 */
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groups.push([1, '(NanMakeWeakPersistent)\\s*\\(\\s*([^\\s,]+)\\s*,\\s*']);
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/* Many methods of v8::Object and others now return v8::MaybeLocal<T>, key group 3 */
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groups.push([3, ['([\\s])([^\\s]+)->(', [
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'GetEndColumn',
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'GetFunction',
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'GetLineNumber',
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'NewInstance',
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'GetPropertyNames',
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'GetOwnPropertyNames',
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'GetSourceLine',
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'GetStartColumn',
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'ObjectProtoToString',
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'ToArrayIndex',
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'ToDetailString',
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'CallAsConstructor',
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'CallAsFunction',
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'CloneElementAt',
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'Delete',
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'ForceSet',
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'Get',
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'GetPropertyAttributes',
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'GetRealNamedProperty',
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'GetRealNamedPropertyInPrototypeChain',
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'Has',
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'HasOwnProperty',
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'HasRealIndexedProperty',
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'HasRealNamedCallbackProperty',
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'HasRealNamedProperty',
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'Set',
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'SetAccessor',
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'SetIndexedPropertyHandler',
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'SetNamedPropertyHandler',
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'SetPrototype'].join('|'), ')\\('].join('')]);
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/* You should get an error if any of these fail anyways,
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or handle the error better, it is indicated either way, key group 2 */
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groups.push([2, ['NanNew(<(?:v8\\:\\:)?(', ['Date', 'String', 'RegExp'].join('|'), ')>)(\\([^\\)]*\\))(?!\\.ToLocalChecked\\(\\))'].join('')]);
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/* v8::Value::Equals now returns a v8::Maybe, key group 3 */
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groups.push([3, '([\\s\\(\\)])([^\\s\\(\\)]+)->(Equals)\\(([^\\s\\)]+)']);
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/* NanPersistent makes this unnecessary, key group 1 */
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groups.push([1, '(NanAssignPersistent)(?:<v8\\:\\:[^>]+>)?\\(([^,]+),\\s*']);
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/* args has been renamed to info, key group 2 */
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groups.push([2, '(\\W)(args)(\\W)'])
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/* node::ObjectWrap was replaced with NanObjectWrap, key group 2 */
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groups.push([2, '(\\W)(?:node\\:\\:)?(ObjectWrap)(\\W)']);
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/* v8::Persistent was replaced with NanPersistent, key group 2 */
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groups.push([2, '(\\W)(?:v8\\:\\:)?(Persistent)(\\W)']);
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/* counts the number of capturing groups in a well-formed regular expression,
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ignoring non-capturing groups and escaped parentheses */
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function groupcount(s) {
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var positive = s.match(/\((?!\?)/g),
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negative = s.match(/\\\(/g);
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return (positive ? positive.length : 0) - (negative ? negative.length : 0);
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}
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/* compute the absolute position of each key group in the joined master RegExp */
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for (i = 1, length = groups.length; i < length; i++) {
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total += groupcount(groups[i - 1][1]);
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groups[i][0] += total;
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}
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/* create the master RegExp, whis is the union of all the groups' expressions */
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master = new RegExp(groups.map(function (a) { return a[1]; }).join('|'), 'gm');
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/* replacement function for String.replace, receives 21 arguments */
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function replace() {
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/* simple expressions */
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switch (arguments[groups[0][0]]) {
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case '_NAN_':
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return 'NAN_';
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case 'NODE_SET_METHOD':
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return 'NanSetMethod';
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case 'NODE_SET_PROTOTYPE_METHOD':
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return 'NanSetPrototypeMethod';
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case 'NanAsciiString':
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return 'NanUtf8String';
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case 'NanEscapeScope':
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return 'scope.Escape';
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case 'NanReturnNull':
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return 'info.GetReturnValue().SetNull';
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case 'NanReturnValue':
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return 'info.GetReturnValue().Set';
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case 'NanUcs2String':
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return 'v8::String::Value';
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default:
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}
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/* macros without arguments */
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switch (arguments[groups[1][0]]) {
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case 'NanEscapableScope':
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return 'NanEscapableScope scope'
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case 'NanReturnUndefined':
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return 'return';
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case 'NanScope':
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return 'NanScope scope';
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default:
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}
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/* TryCatch, emulate negative backref */
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if (arguments[groups[2][0]] === 'TryCatch') {
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return arguments[groups[2][0] - 1] ? arguments[0] : 'NanTryCatch';
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}
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/* NanNew("foo") --> NanNew("foo").ToLocalChecked() */
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if (arguments[groups[3][0]] === 'NanNew') {
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return [arguments[0], '.ToLocalChecked()'].join('');
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}
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/* insert warning for removed functions as comment on new line above */
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switch (arguments[groups[4][0]]) {
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case 'GetIndexedPropertiesExternalArrayData':
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case 'GetIndexedPropertiesExternalArrayDataLength':
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case 'GetIndexedPropertiesExternalArrayDataType':
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case 'GetIndexedPropertiesPixelData':
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case 'GetIndexedPropertiesPixelDataLength':
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case 'HasIndexedPropertiesInExternalArrayData':
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case 'HasIndexedPropertiesInPixelData':
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case 'SetIndexedPropertiesToExternalArrayData':
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case 'SetIndexedPropertiesToPixelData':
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return arguments[groups[4][0] - 1] ? arguments[0] : [warning1, arguments[0]].join('');
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default:
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}
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/* remove unnecessary NanScope() */
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switch (arguments[groups[5][0]]) {
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case 'NAN_GETTER':
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case 'NAN_METHOD':
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case 'NAN_SETTER':
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case 'NAN_INDEX_DELETER':
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case 'NAN_INDEX_ENUMERATOR':
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case 'NAN_INDEX_GETTER':
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case 'NAN_INDEX_QUERY':
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case 'NAN_INDEX_SETTER':
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case 'NAN_PROPERTY_DELETER':
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case 'NAN_PROPERTY_ENUMERATOR':
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case 'NAN_PROPERTY_GETTER':
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case 'NAN_PROPERTY_QUERY':
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case 'NAN_PROPERTY_SETTER':
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return arguments[groups[5][0] - 1];
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default:
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}
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/* Value converstion */
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switch (arguments[groups[6][0]]) {
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case 'Boolean':
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case 'Int32':
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case 'Integer':
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case 'Number':
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case 'Object':
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case 'String':
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case 'Uint32':
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return [arguments[groups[6][0] - 2], 'NanTo<v8::', arguments[groups[6][0]], '>(', arguments[groups[6][0] - 1]].join('');
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default:
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}
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/* other value conversion */
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switch (arguments[groups[7][0]]) {
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case 'BooleanValue':
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return [arguments[groups[7][0] - 2], 'NanTo<bool>(', arguments[groups[7][0] - 1]].join('');
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case 'Int32Value':
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return [arguments[groups[7][0] - 2], 'NanTo<int32_t>(', arguments[groups[7][0] - 1]].join('');
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case 'IntegerValue':
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return [arguments[groups[7][0] - 2], 'NanTo<int64_t>(', arguments[groups[7][0] - 1]].join('');
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case 'Uint32Value':
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return [arguments[groups[7][0] - 2], 'NanTo<uint32_t>(', arguments[groups[7][0] - 1]].join('');
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default:
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}
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/* NAN_WEAK_CALLBACK */
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if (arguments[groups[8][0]] === 'NAN_WEAK_CALLBACK') {
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return ['template<typename T>\nvoid ',
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arguments[groups[8][0] + 1], '(const NanWeakCallbackInfo<T> &data)'].join('');
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}
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/* use methods on NAN classes instead */
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switch (arguments[groups[9][0]]) {
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case 'NanDisposePersistent':
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return [arguments[groups[9][0] + 1], '.Reset('].join('');
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case 'NanObjectWrapHandle':
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return [arguments[groups[9][0] + 1], '->handle('].join('');
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default:
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}
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/* use method on NanPersistent instead */
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if (arguments[groups[10][0]] === 'NanMakeWeakPersistent') {
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return arguments[groups[10][0] + 1] + '.SetWeak(';
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}
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/* These return Maybes, the upper ones take no arguments */
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switch (arguments[groups[11][0]]) {
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case 'GetEndColumn':
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case 'GetFunction':
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case 'GetLineNumber':
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case 'GetOwnPropertyNames':
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case 'GetPropertyNames':
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case 'GetSourceLine':
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case 'GetStartColumn':
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case 'NewInstance':
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case 'ObjectProtoToString':
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case 'ToArrayIndex':
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case 'ToDetailString':
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return [arguments[groups[11][0] - 2], 'Nan', arguments[groups[11][0]], '(', arguments[groups[11][0] - 1]].join('');
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case 'CallAsConstructor':
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case 'CallAsFunction':
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case 'CloneElementAt':
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case 'Delete':
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case 'ForceSet':
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case 'Get':
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case 'GetPropertyAttributes':
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case 'GetRealNamedProperty':
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case 'GetRealNamedPropertyInPrototypeChain':
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case 'Has':
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case 'HasOwnProperty':
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case 'HasRealIndexedProperty':
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case 'HasRealNamedCallbackProperty':
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case 'HasRealNamedProperty':
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case 'Set':
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case 'SetAccessor':
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case 'SetIndexedPropertyHandler':
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case 'SetNamedPropertyHandler':
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case 'SetPrototype':
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return [arguments[groups[11][0] - 2], 'Nan', arguments[groups[11][0]], '(', arguments[groups[11][0] - 1], ', '].join('');
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default:
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}
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/* Automatic ToLocalChecked(), take it or leave it */
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switch (arguments[groups[12][0]]) {
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case 'Date':
|
||
|
|
case 'String':
|
||
|
|
case 'RegExp':
|
||
|
|
return ['NanNew', arguments[groups[12][0] - 1], arguments[groups[12][0] + 1], '.ToLocalChecked()'].join('');
|
||
|
|
default:
|
||
|
|
}
|
||
|
|
|
||
|
|
/* NanEquals is now required for uniformity */
|
||
|
|
if (arguments[groups[13][0]] === 'Equals') {
|
||
|
|
return [arguments[groups[13][0] - 1], 'NanEquals(', arguments[groups[13][0] - 1], ', ', arguments[groups[13][0] + 1]].join('');
|
||
|
|
}
|
||
|
|
|
||
|
|
/* use method on replacement class instead */
|
||
|
|
if (arguments[groups[14][0]] === 'NanAssignPersistent') {
|
||
|
|
return [arguments[groups[14][0] + 1], '.Reset('].join('');
|
||
|
|
}
|
||
|
|
|
||
|
|
/* args --> info */
|
||
|
|
if (arguments[groups[15][0]] === 'args') {
|
||
|
|
return [arguments[groups[15][0] - 1], 'info', arguments[groups[15][0] + 1]].join('');
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ObjectWrap --> NanObjectWrap */
|
||
|
|
if (arguments[groups[16][0]] === 'ObjectWrap') {
|
||
|
|
return [arguments[groups[16][0] - 1], 'NanObjectWrap', arguments[groups[16][0] + 1]].join('');
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Persistent --> NanPersistent */
|
||
|
|
if (arguments[groups[17][0]] === 'Persistent') {
|
||
|
|
return [arguments[groups[17][0] - 1], 'NanPersistent', arguments[groups[17][0] + 1]].join('');
|
||
|
|
}
|
||
|
|
|
||
|
|
/* This should not happen. A switch is probably missing a case if it does. */
|
||
|
|
throw 'Unhandled match: ' + arguments[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
/* reads a file, runs replacement and writes it back */
|
||
|
|
function processFile(file) {
|
||
|
|
fs.readFile(file, {encoding: 'utf8'}, function (err, data) {
|
||
|
|
if (err) {
|
||
|
|
throw err;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* run replacement twice, might need more runs */
|
||
|
|
fs.writeFile(file, data.replace(master, replace).replace(master, replace), function (err) {
|
||
|
|
if (err) {
|
||
|
|
throw err;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
/* process file names from command line and process the identified files */
|
||
|
|
for (i = 2, length = process.argv.length; i < length; i++) {
|
||
|
|
glob(process.argv[i], function (err, matches) {
|
||
|
|
if (err) {
|
||
|
|
throw err;
|
||
|
|
}
|
||
|
|
matches.forEach(processFile);
|
||
|
|
});
|
||
|
|
}
|