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