add shadow-node and make changes

deps/shadow-node/.clang-format

@@ -0,0 +1,99 @@
+# This file is generated by below command,
+# $ clang-format-3.8 -style=google -dump-config  > .clang-format
+# then modified according to IoT.js style guide.
+---
+Language:        Cpp
+# BasedOnStyle:  Google
+AccessModifierOffset: -1
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlinesLeft: true
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: None
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+ColumnLimit:     80
+CommentPragmas:  '^ IWYU pragma:'
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: false
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+ForEachMacros:   [ ]
+IncludeCategories:
+  - Regex:           '^"(iotjs_def)'
+    Priority:        -1
+  - Regex:           '^.iotjs'
+    Priority:        1
+  - Regex:           '^.jerry'
+    Priority:        2
+  - Regex:           '^.uv'
+    Priority:        2
+  - Regex:           '^.http'
+    Priority:        2
+  - Regex:           '^(<)'
+    Priority:        3
+IndentCaseLabels: true
+IndentWidth:     2
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 2
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: false
+PenaltyBreakBeforeFirstCallParameter: 500
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Left
+ReflowComments:  true
+SortIncludes:    true
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Auto
+TabWidth:        8
+UseTab:          Never
+...
+

deps/shadow-node/.codacy.yaml

@@ -0,0 +1,5 @@
+---
+exclude_paths:
+  - 'samples/**'
+  - 'test/addons-napi/**'
+  - 'deps/mbedtls/**'

deps/shadow-node/.eslintignore

@@ -0,0 +1,8 @@
+/build/**
+/deps/**
+**/node_modules/**
+/src/js/ble*
+
+test/addons-napi
+test/run_fail/test_shebang_fail.js
+test/run_fail/test_iotjs_syntax_error.js

deps/shadow-node/.eslintrc.js

@@ -0,0 +1,236 @@
+'use strict';
+
+const Module = require('module');
+const path = require('path');
+
+const NodePlugin = require('./tools/node_modules/eslint-plugin-node-core');
+NodePlugin.RULES_DIR = path.resolve(__dirname, 'tools', 'eslint-rules');
+
+const ModuleFindPath = Module._findPath;
+const hacks = [
+  'eslint-plugin-node-core',
+];
+Module._findPath = (request, paths, isMain) => {
+  const r = ModuleFindPath(request, paths, isMain);
+  if (!r && hacks.includes(request)) {
+    try {
+      return require.resolve(`./tools/node_modules/${request}`);
+    } catch (err) {
+      return require.resolve(
+        `./tools/node_modules/eslint/node_modules/${request}`);
+    }
+  }
+  return r;
+};
+
+module.exports = {
+  root: true,
+  plugins: ['markdown', 'node-core'],
+  env: { node: true, es6: true },
+  parser: 'babel-eslint',
+  parserOptions: { sourceType: 'script' },
+  rules: {
+    // ESLint built-in rules
+    // http://eslint.org/docs/rules
+    'accessor-pairs': 'error',
+    'array-callback-return': 'error',
+    'arrow-parens': ['error', 'always'],
+    'arrow-spacing': ['error', { before: true, after: true }],
+    'block-spacing': 'error',
+    'brace-style': ['error', '1tbs', { allowSingleLine: true }],
+    'comma-dangle': ['error', 'only-multiline'],
+    'comma-spacing': 'error',
+    'comma-style': 'error',
+    'computed-property-spacing': 'error',
+    'constructor-super': 'error',
+    'dot-location': ['error', 'property'],
+    'dot-notation': 'error',
+    'eol-last': 'error',
+    'eqeqeq': ['error', 'smart'],
+    'for-direction': 'error',
+    'func-call-spacing': 'error',
+    'func-name-matching': 'error',
+    'func-style': ['error', 'declaration', { allowArrowFunctions: true }],
+    'indent': ['error', 2, {
+      ArrayExpression: 'first',
+      CallExpression: { arguments: 'first' },
+      FunctionDeclaration: { parameters: 'first' },
+      FunctionExpression: { parameters: 'first' },
+      MemberExpression: 'off',
+      ObjectExpression: 'first',
+      SwitchCase: 1,
+    }],
+    'key-spacing': ['error', { mode: 'strict' }],
+    'keyword-spacing': 'error',
+    'linebreak-style': ['error', 'unix'],
+    'max-len': ['error', {
+      code: 80,
+      ignorePattern: '^// Flags:',
+      ignoreRegExpLiterals: true,
+      ignoreUrls: true,
+      tabWidth: 2,
+    }],
+    'new-parens': 'error',
+    'no-class-assign': 'error',
+    'no-confusing-arrow': 'error',
+    'no-const-assign': 'error',
+    'no-control-regex': 'error',
+    'no-debugger': 'error',
+    'no-delete-var': 'error',
+    'no-dupe-args': 'error',
+    'no-dupe-class-members': 'error',
+    'no-dupe-keys': 'error',
+    'no-duplicate-case': 'error',
+    'no-empty-character-class': 'error',
+    'no-ex-assign': 'error',
+    'no-extra-boolean-cast': 'error',
+    'no-extra-parens': ['error', 'functions'],
+    'no-extra-semi': 'error',
+    'no-fallthrough': 'error',
+    'no-func-assign': 'error',
+    'no-global-assign': 'error',
+    'no-invalid-regexp': 'error',
+    'no-irregular-whitespace': 'error',
+    'no-lonely-if': 'error',
+    'no-mixed-requires': 'error',
+    'no-mixed-spaces-and-tabs': 'error',
+    'no-multi-spaces': ['error', { ignoreEOLComments: true }],
+    'no-multiple-empty-lines': ['error', { max: 2, maxEOF: 0, maxBOF: 0 }],
+    'no-new-require': 'error',
+    'no-new-symbol': 'error',
+    'no-obj-calls': 'error',
+    'no-octal': 'error',
+    'no-path-concat': 'error',
+    'no-proto': 'error',
+    'no-redeclare': 'error',
+    'no-restricted-modules': ['error', 'sys'],
+    'no-restricted-properties': [
+      'error',
+      {
+        object: 'assert',
+        property: 'deepEqual',
+        message: 'Use assert.deepStrictEqual().',
+      },
+      {
+        object: 'assert',
+        property: 'notDeepEqual',
+        message: 'Use assert.notDeepStrictEqual().',
+      },
+      {
+        object: 'assert',
+        property: 'equal',
+        message: 'Use assert.strictEqual() rather than assert.equal().',
+      },
+      {
+        object: 'assert',
+        property: 'notEqual',
+        message: 'Use assert.notStrictEqual() rather than assert.notEqual().',
+      },
+      {
+        property: '__defineGetter__',
+        message: '__defineGetter__ is deprecated.',
+      },
+      {
+        property: '__defineSetter__',
+        message: '__defineSetter__ is deprecated.',
+      }
+    ],
+    /* eslint-disable max-len, quotes */
+    // If this list is modified, please copy the change to lib/.eslintrc.yaml
+    'no-restricted-syntax': [
+      'error',
+      {
+        selector: "CallExpression[callee.object.name='assert'][callee.property.name='doesNotThrow']",
+        message: "Please replace `assert.doesNotThrow()` and add a comment next to the code instead."
+      },
+      {
+        selector: `CallExpression[callee.object.name='assert'][callee.property.name='rejects'][arguments.length<2]`,
+        message: 'assert.rejects() must be invoked with at least two arguments.',
+      },
+      {
+        selector: `CallExpression[callee.object.name='assert'][callee.property.name='throws'][arguments.1.type='Literal']:not([arguments.1.regex])`,
+        message: 'Use an object as second argument of assert.throws()',
+      },
+      {
+        selector: `CallExpression[callee.object.name='assert'][callee.property.name='throws'][arguments.length<2]`,
+        message: 'assert.throws() must be invoked with at least two arguments.',
+      },
+      {
+        selector: `CallExpression[callee.name='setTimeout'][arguments.length<2]`,
+        message: 'setTimeout() must be invoked with at least two arguments.',
+      },
+      {
+        selector: `CallExpression[callee.name='setInterval'][arguments.length<2]`,
+        message: 'setInterval() must be invoked with at least 2 arguments.',
+      },
+      {
+        selector: 'ThrowStatement > CallExpression[callee.name=/Error$/]',
+        message: 'Use new keyword when throwing an Error.',
+      }
+    ],
+    /* eslint-enable max-len, quotes */
+    'no-return-await': 'error',
+    'no-self-assign': 'error',
+    'no-self-compare': 'error',
+    'no-tabs': 'error',
+    'no-template-curly-in-string': 'error',
+    'no-this-before-super': 'error',
+    'no-throw-literal': 'error',
+    'no-trailing-spaces': 'error',
+    'no-undef': ['error', { typeof: true }],
+    'no-undef-init': 'error',
+    'no-unexpected-multiline': 'error',
+    'no-unreachable': 'error',
+    'no-unsafe-finally': 'error',
+    'no-unsafe-negation': 'error',
+    'no-unused-labels': 'error',
+    'no-unused-vars': ['error', { args: 'none' }],
+    'no-use-before-define': ['error', {
+      classes: true,
+      functions: false,
+      variables: false,
+    }],
+    'no-useless-call': 'error',
+    'no-useless-concat': 'error',
+    'no-useless-escape': 'off',
+    'no-useless-return': 'error',
+    'no-void': 'error',
+    'no-whitespace-before-property': 'error',
+    'no-with': 'error',
+    'object-curly-spacing': ['error', 'always'],
+    'one-var': ['error', { initialized: 'never' }],
+    'one-var-declaration-per-line': 'error',
+    'operator-linebreak': ['error', 'after'],
+    'prefer-const': ['error', { ignoreReadBeforeAssign: true }],
+    'quotes': ['error', 'single', { avoidEscape: true }],
+    'quote-props': ['error', 'consistent'],
+    'rest-spread-spacing': 'error',
+    'semi': 'error',
+    'semi-spacing': 'error',
+    'space-before-blocks': ['error', 'always'],
+    'space-before-function-paren': ['error', {
+      anonymous: 'never',
+      named: 'never',
+      asyncArrow: 'always',
+    }],
+    'space-in-parens': ['error', 'never'],
+    'space-infix-ops': 'error',
+    'space-unary-ops': 'error',
+    'spaced-comment': ['error', 'always', {
+      'block': { 'balanced': true },
+      'exceptions': ['-']
+    }],
+    'strict': ['error', 'global'],
+    'symbol-description': 'error',
+    'template-curly-spacing': 'error',
+    'unicode-bom': 'error',
+    'use-isnan': 'error',
+    'valid-typeof': 'error',
+
+    // Custom rules from eslint-plugin-node-core
+    'node-core/no-unescaped-regexp-dot': 'error',
+  },
+  globals: {
+    native: true,
+  },
+};

deps/shadow-node/.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,21 @@
+<!--
+Thank you for reporting an issue.
+
+This issue tracker is for bugs and issues found within ShadowNode core.
+
+Please fill in as much of the template below as you're able.
+
+Version: output of `iotjs -v`
+Platform: output of `uname -a` (UNIX).
+Subsystem: if known, please specify affected core module name.
+
+If possible, please provide code that demonstrates the problem, keeping it as
+simple and free of external dependencies as you are able.
+-->
+
+* **Version**:
+* **Platform**:
+* **Subsystem**:
+
+<!-- Enter your issue details below this comment. -->
+

deps/shadow-node/.github/ISSUE_TEMPLATE/1-bug-report.md

@@ -0,0 +1,24 @@
+---
+name: "\U0001F41B Bug report"
+about: Create a report to help us improve
+
+---
+
+<!--
+Thank you for reporting a possible bug in ShadowNode.
+
+Please fill in as much of the template below as you can.
+
+Version: output of `iotjs -v`
+Platform: output of `uname -a` (UNIX), or version and 32 or 64-bit (Windows)
+Subsystem: if known, please specify the affected core module name
+
+If possible, please provide code that demonstrates the problem, keeping it as
+simple and free of external dependencies as you can.
+-->
+
+* **Version**:
+* **Platform**:
+* **Subsystem**:
+
+<!-- Please provide more details below this comment. -->