Initial commit

1 files changed, 412 insertions, 0 deletions

diff --git a/node_modules/nan/tools/1to2.js b/node_modules/nan/tools/1to2.js
new file mode 100755
index 0000000..6af2505
--- /dev/null
+++ b/node_modules/nan/tools/1to2.js
@@ -0,0 +1,412 @@
+#!/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 conversion */
+      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);
+  });
+}