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-rw-r--r--src/node_modules/eslint-scope/lib/definition.js86
-rw-r--r--src/node_modules/eslint-scope/lib/index.js165
-rw-r--r--src/node_modules/eslint-scope/lib/pattern-visitor.js152
-rw-r--r--src/node_modules/eslint-scope/lib/reference.js167
-rw-r--r--src/node_modules/eslint-scope/lib/referencer.js629
-rw-r--r--src/node_modules/eslint-scope/lib/scope-manager.js247
-rw-r--r--src/node_modules/eslint-scope/lib/scope.js748
-rw-r--r--src/node_modules/eslint-scope/lib/variable.js88
8 files changed, 2282 insertions, 0 deletions
diff --git a/src/node_modules/eslint-scope/lib/definition.js b/src/node_modules/eslint-scope/lib/definition.js
new file mode 100644
index 0000000..172bfe2
--- /dev/null
+++ b/src/node_modules/eslint-scope/lib/definition.js
@@ -0,0 +1,86 @@
+/*
+ Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+const Variable = require("./variable");
+
+/**
+ * @class Definition
+ */
+class Definition {
+ constructor(type, name, node, parent, index, kind) {
+
+ /**
+ * @member {String} Definition#type - type of the occurrence (e.g. "Parameter", "Variable", ...).
+ */
+ this.type = type;
+
+ /**
+ * @member {espree.Identifier} Definition#name - the identifier AST node of the occurrence.
+ */
+ this.name = name;
+
+ /**
+ * @member {espree.Node} Definition#node - the enclosing node of the identifier.
+ */
+ this.node = node;
+
+ /**
+ * @member {espree.Node?} Definition#parent - the enclosing statement node of the identifier.
+ */
+ this.parent = parent;
+
+ /**
+ * @member {Number?} Definition#index - the index in the declaration statement.
+ */
+ this.index = index;
+
+ /**
+ * @member {String?} Definition#kind - the kind of the declaration statement.
+ */
+ this.kind = kind;
+ }
+}
+
+/**
+ * @class ParameterDefinition
+ */
+class ParameterDefinition extends Definition {
+ constructor(name, node, index, rest) {
+ super(Variable.Parameter, name, node, null, index, null);
+
+ /**
+ * Whether the parameter definition is a part of a rest parameter.
+ * @member {boolean} ParameterDefinition#rest
+ */
+ this.rest = rest;
+ }
+}
+
+module.exports = {
+ ParameterDefinition,
+ Definition
+};
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/src/node_modules/eslint-scope/lib/index.js b/src/node_modules/eslint-scope/lib/index.js
new file mode 100644
index 0000000..0f16fa4
--- /dev/null
+++ b/src/node_modules/eslint-scope/lib/index.js
@@ -0,0 +1,165 @@
+/*
+ Copyright (C) 2012-2014 Yusuke Suzuki <utatane.tea@gmail.com>
+ Copyright (C) 2013 Alex Seville <hi@alexanderseville.com>
+ Copyright (C) 2014 Thiago de Arruda <tpadilha84@gmail.com>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/**
+ * Escope (<a href="http://github.com/estools/escope">escope</a>) is an <a
+ * href="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMAScript</a>
+ * scope analyzer extracted from the <a
+ * href="http://github.com/estools/esmangle">esmangle project</a/>.
+ * <p>
+ * <em>escope</em> finds lexical scopes in a source program, i.e. areas of that
+ * program where different occurrences of the same identifier refer to the same
+ * variable. With each scope the contained variables are collected, and each
+ * identifier reference in code is linked to its corresponding variable (if
+ * possible).
+ * <p>
+ * <em>escope</em> works on a syntax tree of the parsed source code which has
+ * to adhere to the <a
+ * href="https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API">
+ * Mozilla Parser API</a>. E.g. <a href="https://github.com/eslint/espree">espree</a> is a parser
+ * that produces such syntax trees.
+ * <p>
+ * The main interface is the {@link analyze} function.
+ * @module escope
+ */
+"use strict";
+
+/* eslint no-underscore-dangle: ["error", { "allow": ["__currentScope"] }] */
+
+const assert = require("assert");
+
+const ScopeManager = require("./scope-manager");
+const Referencer = require("./referencer");
+const Reference = require("./reference");
+const Variable = require("./variable");
+const Scope = require("./scope").Scope;
+const version = require("../package.json").version;
+
+/**
+ * Set the default options
+ * @returns {Object} options
+ */
+function defaultOptions() {
+ return {
+ optimistic: false,
+ directive: false,
+ nodejsScope: false,
+ impliedStrict: false,
+ sourceType: "script", // one of ['script', 'module']
+ ecmaVersion: 5,
+ childVisitorKeys: null,
+ fallback: "iteration"
+ };
+}
+
+/**
+ * Preform deep update on option object
+ * @param {Object} target - Options
+ * @param {Object} override - Updates
+ * @returns {Object} Updated options
+ */
+function updateDeeply(target, override) {
+
+ /**
+ * Is hash object
+ * @param {Object} value - Test value
+ * @returns {boolean} Result
+ */
+ function isHashObject(value) {
+ return typeof value === "object" && value instanceof Object && !(value instanceof Array) && !(value instanceof RegExp);
+ }
+
+ for (const key in override) {
+ if (Object.prototype.hasOwnProperty.call(override, key)) {
+ const val = override[key];
+
+ if (isHashObject(val)) {
+ if (isHashObject(target[key])) {
+ updateDeeply(target[key], val);
+ } else {
+ target[key] = updateDeeply({}, val);
+ }
+ } else {
+ target[key] = val;
+ }
+ }
+ }
+ return target;
+}
+
+/**
+ * Main interface function. Takes an Espree syntax tree and returns the
+ * analyzed scopes.
+ * @function analyze
+ * @param {espree.Tree} tree - Abstract Syntax Tree
+ * @param {Object} providedOptions - Options that tailor the scope analysis
+ * @param {boolean} [providedOptions.optimistic=false] - the optimistic flag
+ * @param {boolean} [providedOptions.directive=false]- the directive flag
+ * @param {boolean} [providedOptions.ignoreEval=false]- whether to check 'eval()' calls
+ * @param {boolean} [providedOptions.nodejsScope=false]- whether the whole
+ * script is executed under node.js environment. When enabled, escope adds
+ * a function scope immediately following the global scope.
+ * @param {boolean} [providedOptions.impliedStrict=false]- implied strict mode
+ * (if ecmaVersion >= 5).
+ * @param {string} [providedOptions.sourceType='script']- the source type of the script. one of 'script' and 'module'
+ * @param {number} [providedOptions.ecmaVersion=5]- which ECMAScript version is considered
+ * @param {Object} [providedOptions.childVisitorKeys=null] - Additional known visitor keys. See [esrecurse](https://github.com/estools/esrecurse)'s the `childVisitorKeys` option.
+ * @param {string} [providedOptions.fallback='iteration'] - A kind of the fallback in order to encounter with unknown node. See [esrecurse](https://github.com/estools/esrecurse)'s the `fallback` option.
+ * @returns {ScopeManager} ScopeManager
+ */
+function analyze(tree, providedOptions) {
+ const options = updateDeeply(defaultOptions(), providedOptions);
+ const scopeManager = new ScopeManager(options);
+ const referencer = new Referencer(options, scopeManager);
+
+ referencer.visit(tree);
+
+ assert(scopeManager.__currentScope === null, "currentScope should be null.");
+
+ return scopeManager;
+}
+
+module.exports = {
+
+ /** @name module:escope.version */
+ version,
+
+ /** @name module:escope.Reference */
+ Reference,
+
+ /** @name module:escope.Variable */
+ Variable,
+
+ /** @name module:escope.Scope */
+ Scope,
+
+ /** @name module:escope.ScopeManager */
+ ScopeManager,
+ analyze
+};
+
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/src/node_modules/eslint-scope/lib/pattern-visitor.js b/src/node_modules/eslint-scope/lib/pattern-visitor.js
new file mode 100644
index 0000000..afa6291
--- /dev/null
+++ b/src/node_modules/eslint-scope/lib/pattern-visitor.js
@@ -0,0 +1,152 @@
+/*
+ Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/* eslint-disable no-undefined */
+
+const Syntax = require("estraverse").Syntax;
+const esrecurse = require("esrecurse");
+
+/**
+ * Get last array element
+ * @param {array} xs - array
+ * @returns {any} Last elment
+ */
+function getLast(xs) {
+ return xs[xs.length - 1] || null;
+}
+
+class PatternVisitor extends esrecurse.Visitor {
+ static isPattern(node) {
+ const nodeType = node.type;
+
+ return (
+ nodeType === Syntax.Identifier ||
+ nodeType === Syntax.ObjectPattern ||
+ nodeType === Syntax.ArrayPattern ||
+ nodeType === Syntax.SpreadElement ||
+ nodeType === Syntax.RestElement ||
+ nodeType === Syntax.AssignmentPattern
+ );
+ }
+
+ constructor(options, rootPattern, callback) {
+ super(null, options);
+ this.rootPattern = rootPattern;
+ this.callback = callback;
+ this.assignments = [];
+ this.rightHandNodes = [];
+ this.restElements = [];
+ }
+
+ Identifier(pattern) {
+ const lastRestElement = getLast(this.restElements);
+
+ this.callback(pattern, {
+ topLevel: pattern === this.rootPattern,
+ rest: lastRestElement !== null && lastRestElement !== undefined && lastRestElement.argument === pattern,
+ assignments: this.assignments
+ });
+ }
+
+ Property(property) {
+
+ // Computed property's key is a right hand node.
+ if (property.computed) {
+ this.rightHandNodes.push(property.key);
+ }
+
+ // If it's shorthand, its key is same as its value.
+ // If it's shorthand and has its default value, its key is same as its value.left (the value is AssignmentPattern).
+ // If it's not shorthand, the name of new variable is its value's.
+ this.visit(property.value);
+ }
+
+ ArrayPattern(pattern) {
+ for (let i = 0, iz = pattern.elements.length; i < iz; ++i) {
+ const element = pattern.elements[i];
+
+ this.visit(element);
+ }
+ }
+
+ AssignmentPattern(pattern) {
+ this.assignments.push(pattern);
+ this.visit(pattern.left);
+ this.rightHandNodes.push(pattern.right);
+ this.assignments.pop();
+ }
+
+ RestElement(pattern) {
+ this.restElements.push(pattern);
+ this.visit(pattern.argument);
+ this.restElements.pop();
+ }
+
+ MemberExpression(node) {
+
+ // Computed property's key is a right hand node.
+ if (node.computed) {
+ this.rightHandNodes.push(node.property);
+ }
+
+ // the object is only read, write to its property.
+ this.rightHandNodes.push(node.object);
+ }
+
+ //
+ // ForInStatement.left and AssignmentExpression.left are LeftHandSideExpression.
+ // By spec, LeftHandSideExpression is Pattern or MemberExpression.
+ // (see also: https://github.com/estree/estree/pull/20#issuecomment-74584758)
+ // But espree 2.0 parses to ArrayExpression, ObjectExpression, etc...
+ //
+
+ SpreadElement(node) {
+ this.visit(node.argument);
+ }
+
+ ArrayExpression(node) {
+ node.elements.forEach(this.visit, this);
+ }
+
+ AssignmentExpression(node) {
+ this.assignments.push(node);
+ this.visit(node.left);
+ this.rightHandNodes.push(node.right);
+ this.assignments.pop();
+ }
+
+ CallExpression(node) {
+
+ // arguments are right hand nodes.
+ node.arguments.forEach(a => {
+ this.rightHandNodes.push(a);
+ });
+ this.visit(node.callee);
+ }
+}
+
+module.exports = PatternVisitor;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/src/node_modules/eslint-scope/lib/reference.js b/src/node_modules/eslint-scope/lib/reference.js
new file mode 100644
index 0000000..9529827
--- /dev/null
+++ b/src/node_modules/eslint-scope/lib/reference.js
@@ -0,0 +1,167 @@
+/*
+ Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+const READ = 0x1;
+const WRITE = 0x2;
+const RW = READ | WRITE;
+
+/**
+ * A Reference represents a single occurrence of an identifier in code.
+ * @class Reference
+ */
+class Reference {
+ constructor(ident, scope, flag, writeExpr, maybeImplicitGlobal, partial, init) {
+
+ /**
+ * Identifier syntax node.
+ * @member {espreeIdentifier} Reference#identifier
+ */
+ this.identifier = ident;
+
+ /**
+ * Reference to the enclosing Scope.
+ * @member {Scope} Reference#from
+ */
+ this.from = scope;
+
+ /**
+ * Whether the reference comes from a dynamic scope (such as 'eval',
+ * 'with', etc.), and may be trapped by dynamic scopes.
+ * @member {boolean} Reference#tainted
+ */
+ this.tainted = false;
+
+ /**
+ * The variable this reference is resolved with.
+ * @member {Variable} Reference#resolved
+ */
+ this.resolved = null;
+
+ /**
+ * The read-write mode of the reference. (Value is one of {@link
+ * Reference.READ}, {@link Reference.RW}, {@link Reference.WRITE}).
+ * @member {number} Reference#flag
+ * @private
+ */
+ this.flag = flag;
+ if (this.isWrite()) {
+
+ /**
+ * If reference is writeable, this is the tree being written to it.
+ * @member {espreeNode} Reference#writeExpr
+ */
+ this.writeExpr = writeExpr;
+
+ /**
+ * Whether the Reference might refer to a partial value of writeExpr.
+ * @member {boolean} Reference#partial
+ */
+ this.partial = partial;
+
+ /**
+ * Whether the Reference is to write of initialization.
+ * @member {boolean} Reference#init
+ */
+ this.init = init;
+ }
+ this.__maybeImplicitGlobal = maybeImplicitGlobal;
+ }
+
+ /**
+ * Whether the reference is static.
+ * @method Reference#isStatic
+ * @returns {boolean} static
+ */
+ isStatic() {
+ return !this.tainted && this.resolved && this.resolved.scope.isStatic();
+ }
+
+ /**
+ * Whether the reference is writeable.
+ * @method Reference#isWrite
+ * @returns {boolean} write
+ */
+ isWrite() {
+ return !!(this.flag & Reference.WRITE);
+ }
+
+ /**
+ * Whether the reference is readable.
+ * @method Reference#isRead
+ * @returns {boolean} read
+ */
+ isRead() {
+ return !!(this.flag & Reference.READ);
+ }
+
+ /**
+ * Whether the reference is read-only.
+ * @method Reference#isReadOnly
+ * @returns {boolean} read only
+ */
+ isReadOnly() {
+ return this.flag === Reference.READ;
+ }
+
+ /**
+ * Whether the reference is write-only.
+ * @method Reference#isWriteOnly
+ * @returns {boolean} write only
+ */
+ isWriteOnly() {
+ return this.flag === Reference.WRITE;
+ }
+
+ /**
+ * Whether the reference is read-write.
+ * @method Reference#isReadWrite
+ * @returns {boolean} read write
+ */
+ isReadWrite() {
+ return this.flag === Reference.RW;
+ }
+}
+
+/**
+ * @constant Reference.READ
+ * @private
+ */
+Reference.READ = READ;
+
+/**
+ * @constant Reference.WRITE
+ * @private
+ */
+Reference.WRITE = WRITE;
+
+/**
+ * @constant Reference.RW
+ * @private
+ */
+Reference.RW = RW;
+
+module.exports = Reference;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/src/node_modules/eslint-scope/lib/referencer.js b/src/node_modules/eslint-scope/lib/referencer.js
new file mode 100644
index 0000000..63d1935
--- /dev/null
+++ b/src/node_modules/eslint-scope/lib/referencer.js
@@ -0,0 +1,629 @@
+/*
+ Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/* eslint-disable no-underscore-dangle */
+/* eslint-disable no-undefined */
+
+const Syntax = require("estraverse").Syntax;
+const esrecurse = require("esrecurse");
+const Reference = require("./reference");
+const Variable = require("./variable");
+const PatternVisitor = require("./pattern-visitor");
+const definition = require("./definition");
+const assert = require("assert");
+
+const ParameterDefinition = definition.ParameterDefinition;
+const Definition = definition.Definition;
+
+/**
+ * Traverse identifier in pattern
+ * @param {Object} options - options
+ * @param {pattern} rootPattern - root pattern
+ * @param {Refencer} referencer - referencer
+ * @param {callback} callback - callback
+ * @returns {void}
+ */
+function traverseIdentifierInPattern(options, rootPattern, referencer, callback) {
+
+ // Call the callback at left hand identifier nodes, and Collect right hand nodes.
+ const visitor = new PatternVisitor(options, rootPattern, callback);
+
+ visitor.visit(rootPattern);
+
+ // Process the right hand nodes recursively.
+ if (referencer !== null && referencer !== undefined) {
+ visitor.rightHandNodes.forEach(referencer.visit, referencer);
+ }
+}
+
+// Importing ImportDeclaration.
+// http://people.mozilla.org/~jorendorff/es6-draft.html#sec-moduledeclarationinstantiation
+// https://github.com/estree/estree/blob/master/es6.md#importdeclaration
+// FIXME: Now, we don't create module environment, because the context is
+// implementation dependent.
+
+class Importer extends esrecurse.Visitor {
+ constructor(declaration, referencer) {
+ super(null, referencer.options);
+ this.declaration = declaration;
+ this.referencer = referencer;
+ }
+
+ visitImport(id, specifier) {
+ this.referencer.visitPattern(id, pattern => {
+ this.referencer.currentScope().__define(pattern,
+ new Definition(
+ Variable.ImportBinding,
+ pattern,
+ specifier,
+ this.declaration,
+ null,
+ null
+ ));
+ });
+ }
+
+ ImportNamespaceSpecifier(node) {
+ const local = (node.local || node.id);
+
+ if (local) {
+ this.visitImport(local, node);
+ }
+ }
+
+ ImportDefaultSpecifier(node) {
+ const local = (node.local || node.id);
+
+ this.visitImport(local, node);
+ }
+
+ ImportSpecifier(node) {
+ const local = (node.local || node.id);
+
+ if (node.name) {
+ this.visitImport(node.name, node);
+ } else {
+ this.visitImport(local, node);
+ }
+ }
+}
+
+// Referencing variables and creating bindings.
+class Referencer extends esrecurse.Visitor {
+ constructor(options, scopeManager) {
+ super(null, options);
+ this.options = options;
+ this.scopeManager = scopeManager;
+ this.parent = null;
+ this.isInnerMethodDefinition = false;
+ }
+
+ currentScope() {
+ return this.scopeManager.__currentScope;
+ }
+
+ close(node) {
+ while (this.currentScope() && node === this.currentScope().block) {
+ this.scopeManager.__currentScope = this.currentScope().__close(this.scopeManager);
+ }
+ }
+
+ pushInnerMethodDefinition(isInnerMethodDefinition) {
+ const previous = this.isInnerMethodDefinition;
+
+ this.isInnerMethodDefinition = isInnerMethodDefinition;
+ return previous;
+ }
+
+ popInnerMethodDefinition(isInnerMethodDefinition) {
+ this.isInnerMethodDefinition = isInnerMethodDefinition;
+ }
+
+ referencingDefaultValue(pattern, assignments, maybeImplicitGlobal, init) {
+ const scope = this.currentScope();
+
+ assignments.forEach(assignment => {
+ scope.__referencing(
+ pattern,
+ Reference.WRITE,
+ assignment.right,
+ maybeImplicitGlobal,
+ pattern !== assignment.left,
+ init
+ );
+ });
+ }
+
+ visitPattern(node, options, callback) {
+ let visitPatternOptions = options;
+ let visitPatternCallback = callback;
+
+ if (typeof options === "function") {
+ visitPatternCallback = options;
+ visitPatternOptions = { processRightHandNodes: false };
+ }
+
+ traverseIdentifierInPattern(
+ this.options,
+ node,
+ visitPatternOptions.processRightHandNodes ? this : null,
+ visitPatternCallback
+ );
+ }
+
+ visitFunction(node) {
+ let i, iz;
+
+ // FunctionDeclaration name is defined in upper scope
+ // NOTE: Not referring variableScope. It is intended.
+ // Since
+ // in ES5, FunctionDeclaration should be in FunctionBody.
+ // in ES6, FunctionDeclaration should be block scoped.
+
+ if (node.type === Syntax.FunctionDeclaration) {
+
+ // id is defined in upper scope
+ this.currentScope().__define(node.id,
+ new Definition(
+ Variable.FunctionName,
+ node.id,
+ node,
+ null,
+ null,
+ null
+ ));
+ }
+
+ // FunctionExpression with name creates its special scope;
+ // FunctionExpressionNameScope.
+ if (node.type === Syntax.FunctionExpression && node.id) {
+ this.scopeManager.__nestFunctionExpressionNameScope(node);
+ }
+
+ // Consider this function is in the MethodDefinition.
+ this.scopeManager.__nestFunctionScope(node, this.isInnerMethodDefinition);
+
+ const that = this;
+
+ /**
+ * Visit pattern callback
+ * @param {pattern} pattern - pattern
+ * @param {Object} info - info
+ * @returns {void}
+ */
+ function visitPatternCallback(pattern, info) {
+ that.currentScope().__define(pattern,
+ new ParameterDefinition(
+ pattern,
+ node,
+ i,
+ info.rest
+ ));
+
+ that.referencingDefaultValue(pattern, info.assignments, null, true);
+ }
+
+ // Process parameter declarations.
+ for (i = 0, iz = node.params.length; i < iz; ++i) {
+ this.visitPattern(node.params[i], { processRightHandNodes: true }, visitPatternCallback);
+ }
+
+ // if there's a rest argument, add that
+ if (node.rest) {
+ this.visitPattern({
+ type: "RestElement",
+ argument: node.rest
+ }, pattern => {
+ this.currentScope().__define(pattern,
+ new ParameterDefinition(
+ pattern,
+ node,
+ node.params.length,
+ true
+ ));
+ });
+ }
+
+ // In TypeScript there are a number of function-like constructs which have no body,
+ // so check it exists before traversing
+ if (node.body) {
+
+ // Skip BlockStatement to prevent creating BlockStatement scope.
+ if (node.body.type === Syntax.BlockStatement) {
+ this.visitChildren(node.body);
+ } else {
+ this.visit(node.body);
+ }
+ }
+
+ this.close(node);
+ }
+
+ visitClass(node) {
+ if (node.type === Syntax.ClassDeclaration) {
+ this.currentScope().__define(node.id,
+ new Definition(
+ Variable.ClassName,
+ node.id,
+ node,
+ null,
+ null,
+ null
+ ));
+ }
+
+ this.visit(node.superClass);
+
+ this.scopeManager.__nestClassScope(node);
+
+ if (node.id) {
+ this.currentScope().__define(node.id,
+ new Definition(
+ Variable.ClassName,
+ node.id,
+ node
+ ));
+ }
+ this.visit(node.body);
+
+ this.close(node);
+ }
+
+ visitProperty(node) {
+ let previous;
+
+ if (node.computed) {
+ this.visit(node.key);
+ }
+
+ const isMethodDefinition = node.type === Syntax.MethodDefinition;
+
+ if (isMethodDefinition) {
+ previous = this.pushInnerMethodDefinition(true);
+ }
+ this.visit(node.value);
+ if (isMethodDefinition) {
+ this.popInnerMethodDefinition(previous);
+ }
+ }
+
+ visitForIn(node) {
+ if (node.left.type === Syntax.VariableDeclaration && node.left.kind !== "var") {
+ this.scopeManager.__nestForScope(node);
+ }
+
+ if (node.left.type === Syntax.VariableDeclaration) {
+ this.visit(node.left);
+ this.visitPattern(node.left.declarations[0].id, pattern => {
+ this.currentScope().__referencing(pattern, Reference.WRITE, node.right, null, true, true);
+ });
+ } else {
+ this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => {
+ let maybeImplicitGlobal = null;
+
+ if (!this.currentScope().isStrict) {
+ maybeImplicitGlobal = {
+ pattern,
+ node
+ };
+ }
+ this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false);
+ this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, true, false);
+ });
+ }
+ this.visit(node.right);
+ this.visit(node.body);
+
+ this.close(node);
+ }
+
+ visitVariableDeclaration(variableTargetScope, type, node, index) {
+
+ const decl = node.declarations[index];
+ const init = decl.init;
+
+ this.visitPattern(decl.id, { processRightHandNodes: true }, (pattern, info) => {
+ variableTargetScope.__define(
+ pattern,
+ new Definition(
+ type,
+ pattern,
+ decl,
+ node,
+ index,
+ node.kind
+ )
+ );
+
+ this.referencingDefaultValue(pattern, info.assignments, null, true);
+ if (init) {
+ this.currentScope().__referencing(pattern, Reference.WRITE, init, null, !info.topLevel, true);
+ }
+ });
+ }
+
+ AssignmentExpression(node) {
+ if (PatternVisitor.isPattern(node.left)) {
+ if (node.operator === "=") {
+ this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => {
+ let maybeImplicitGlobal = null;
+
+ if (!this.currentScope().isStrict) {
+ maybeImplicitGlobal = {
+ pattern,
+ node
+ };
+ }
+ this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false);
+ this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, !info.topLevel, false);
+ });
+ } else {
+ this.currentScope().__referencing(node.left, Reference.RW, node.right);
+ }
+ } else {
+ this.visit(node.left);
+ }
+ this.visit(node.right);
+ }
+
+ CatchClause(node) {
+ this.scopeManager.__nestCatchScope(node);
+
+ this.visitPattern(node.param, { processRightHandNodes: true }, (pattern, info) => {
+ this.currentScope().__define(pattern,
+ new Definition(
+ Variable.CatchClause,
+ node.param,
+ node,
+ null,
+ null,
+ null
+ ));
+ this.referencingDefaultValue(pattern, info.assignments, null, true);
+ });
+ this.visit(node.body);
+
+ this.close(node);
+ }
+
+ Program(node) {
+ this.scopeManager.__nestGlobalScope(node);
+
+ if (this.scopeManager.__isNodejsScope()) {
+
+ // Force strictness of GlobalScope to false when using node.js scope.
+ this.currentScope().isStrict = false;
+ this.scopeManager.__nestFunctionScope(node, false);
+ }
+
+ if (this.scopeManager.__isES6() && this.scopeManager.isModule()) {
+ this.scopeManager.__nestModuleScope(node);
+ }
+
+ if (this.scopeManager.isStrictModeSupported() && this.scopeManager.isImpliedStrict()) {
+ this.currentScope().isStrict = true;
+ }
+
+ this.visitChildren(node);
+ this.close(node);
+ }
+
+ Identifier(node) {
+ this.currentScope().__referencing(node);
+ }
+
+ UpdateExpression(node) {
+ if (PatternVisitor.isPattern(node.argument)) {
+ this.currentScope().__referencing(node.argument, Reference.RW, null);
+ } else {
+ this.visitChildren(node);
+ }
+ }
+
+ MemberExpression(node) {
+ this.visit(node.object);
+ if (node.computed) {
+ this.visit(node.property);
+ }
+ }
+
+ Property(node) {
+ this.visitProperty(node);
+ }
+
+ MethodDefinition(node) {
+ this.visitProperty(node);
+ }
+
+ BreakStatement() {} // eslint-disable-line class-methods-use-this
+
+ ContinueStatement() {} // eslint-disable-line class-methods-use-this
+
+ LabeledStatement(node) {
+ this.visit(node.body);
+ }
+
+ ForStatement(node) {
+
+ // Create ForStatement declaration.
+ // NOTE: In ES6, ForStatement dynamically generates
+ // per iteration environment. However, escope is
+ // a static analyzer, we only generate one scope for ForStatement.
+ if (node.init && node.init.type === Syntax.VariableDeclaration && node.init.kind !== "var") {
+ this.scopeManager.__nestForScope(node);
+ }
+
+ this.visitChildren(node);
+
+ this.close(node);
+ }
+
+ ClassExpression(node) {
+ this.visitClass(node);
+ }
+
+ ClassDeclaration(node) {
+ this.visitClass(node);
+ }
+
+ CallExpression(node) {
+
+ // Check this is direct call to eval
+ if (!this.scopeManager.__ignoreEval() && node.callee.type === Syntax.Identifier && node.callee.name === "eval") {
+
+ // NOTE: This should be `variableScope`. Since direct eval call always creates Lexical environment and
+ // let / const should be enclosed into it. Only VariableDeclaration affects on the caller's environment.
+ this.currentScope().variableScope.__detectEval();
+ }
+ this.visitChildren(node);
+ }
+
+ BlockStatement(node) {
+ if (this.scopeManager.__isES6()) {
+ this.scopeManager.__nestBlockScope(node);
+ }
+
+ this.visitChildren(node);
+
+ this.close(node);
+ }
+
+ ThisExpression() {
+ this.currentScope().variableScope.__detectThis();
+ }
+
+ WithStatement(node) {
+ this.visit(node.object);
+
+ // Then nest scope for WithStatement.
+ this.scopeManager.__nestWithScope(node);
+
+ this.visit(node.body);
+
+ this.close(node);
+ }
+
+ VariableDeclaration(node) {
+ const variableTargetScope = (node.kind === "var") ? this.currentScope().variableScope : this.currentScope();
+
+ for (let i = 0, iz = node.declarations.length; i < iz; ++i) {
+ const decl = node.declarations[i];
+
+ this.visitVariableDeclaration(variableTargetScope, Variable.Variable, node, i);
+ if (decl.init) {
+ this.visit(decl.init);
+ }
+ }
+ }
+
+ // sec 13.11.8
+ SwitchStatement(node) {
+ this.visit(node.discriminant);
+
+ if (this.scopeManager.__isES6()) {
+ this.scopeManager.__nestSwitchScope(node);
+ }
+
+ for (let i = 0, iz = node.cases.length; i < iz; ++i) {
+ this.visit(node.cases[i]);
+ }
+
+ this.close(node);
+ }
+
+ FunctionDeclaration(node) {
+ this.visitFunction(node);
+ }
+
+ FunctionExpression(node) {
+ this.visitFunction(node);
+ }
+
+ ForOfStatement(node) {
+ this.visitForIn(node);
+ }
+
+ ForInStatement(node) {
+ this.visitForIn(node);
+ }
+
+ ArrowFunctionExpression(node) {
+ this.visitFunction(node);
+ }
+
+ ImportDeclaration(node) {
+ assert(this.scopeManager.__isES6() && this.scopeManager.isModule(), "ImportDeclaration should appear when the mode is ES6 and in the module context.");
+
+ const importer = new Importer(node, this);
+
+ importer.visit(node);
+ }
+
+ visitExportDeclaration(node) {
+ if (node.source) {
+ return;
+ }
+ if (node.declaration) {
+ this.visit(node.declaration);
+ return;
+ }
+
+ this.visitChildren(node);
+ }
+
+ // TODO: ExportDeclaration doesn't exist. for bc?
+ ExportDeclaration(node) {
+ this.visitExportDeclaration(node);
+ }
+
+ ExportAllDeclaration(node) {
+ this.visitExportDeclaration(node);
+ }
+
+ ExportDefaultDeclaration(node) {
+ this.visitExportDeclaration(node);
+ }
+
+ ExportNamedDeclaration(node) {
+ this.visitExportDeclaration(node);
+ }
+
+ ExportSpecifier(node) {
+
+ // TODO: `node.id` doesn't exist. for bc?
+ const local = (node.id || node.local);
+
+ this.visit(local);
+ }
+
+ MetaProperty() { // eslint-disable-line class-methods-use-this
+
+ // do nothing.
+ }
+}
+
+module.exports = Referencer;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/src/node_modules/eslint-scope/lib/scope-manager.js b/src/node_modules/eslint-scope/lib/scope-manager.js
new file mode 100644
index 0000000..c192799
--- /dev/null
+++ b/src/node_modules/eslint-scope/lib/scope-manager.js
@@ -0,0 +1,247 @@
+/*
+ Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/* eslint-disable no-underscore-dangle */
+
+const Scope = require("./scope");
+const assert = require("assert");
+
+const GlobalScope = Scope.GlobalScope;
+const CatchScope = Scope.CatchScope;
+const WithScope = Scope.WithScope;
+const ModuleScope = Scope.ModuleScope;
+const ClassScope = Scope.ClassScope;
+const SwitchScope = Scope.SwitchScope;
+const FunctionScope = Scope.FunctionScope;
+const ForScope = Scope.ForScope;
+const FunctionExpressionNameScope = Scope.FunctionExpressionNameScope;
+const BlockScope = Scope.BlockScope;
+
+/**
+ * @class ScopeManager
+ */
+class ScopeManager {
+ constructor(options) {
+ this.scopes = [];
+ this.globalScope = null;
+ this.__nodeToScope = new WeakMap();
+ this.__currentScope = null;
+ this.__options = options;
+ this.__declaredVariables = new WeakMap();
+ }
+
+ __useDirective() {
+ return this.__options.directive;
+ }
+
+ __isOptimistic() {
+ return this.__options.optimistic;
+ }
+
+ __ignoreEval() {
+ return this.__options.ignoreEval;
+ }
+
+ __isNodejsScope() {
+ return this.__options.nodejsScope;
+ }
+
+ isModule() {
+ return this.__options.sourceType === "module";
+ }
+
+ isImpliedStrict() {
+ return this.__options.impliedStrict;
+ }
+
+ isStrictModeSupported() {
+ return this.__options.ecmaVersion >= 5;
+ }
+
+ // Returns appropriate scope for this node.
+ __get(node) {
+ return this.__nodeToScope.get(node);
+ }
+
+ /**
+ * Get variables that are declared by the node.
+ *
+ * "are declared by the node" means the node is same as `Variable.defs[].node` or `Variable.defs[].parent`.
+ * If the node declares nothing, this method returns an empty array.
+ * CAUTION: This API is experimental. See https://github.com/estools/escope/pull/69 for more details.
+ *
+ * @param {Espree.Node} node - a node to get.
+ * @returns {Variable[]} variables that declared by the node.
+ */
+ getDeclaredVariables(node) {
+ return this.__declaredVariables.get(node) || [];
+ }
+
+ /**
+ * acquire scope from node.
+ * @method ScopeManager#acquire
+ * @param {Espree.Node} node - node for the acquired scope.
+ * @param {boolean=} inner - look up the most inner scope, default value is false.
+ * @returns {Scope?} Scope from node
+ */
+ acquire(node, inner) {
+
+ /**
+ * predicate
+ * @param {Scope} testScope - scope to test
+ * @returns {boolean} predicate
+ */
+ function predicate(testScope) {
+ if (testScope.type === "function" && testScope.functionExpressionScope) {
+ return false;
+ }
+ return true;
+ }
+
+ const scopes = this.__get(node);
+
+ if (!scopes || scopes.length === 0) {
+ return null;
+ }
+
+ // Heuristic selection from all scopes.
+ // If you would like to get all scopes, please use ScopeManager#acquireAll.
+ if (scopes.length === 1) {
+ return scopes[0];
+ }
+
+ if (inner) {
+ for (let i = scopes.length - 1; i >= 0; --i) {
+ const scope = scopes[i];
+
+ if (predicate(scope)) {
+ return scope;
+ }
+ }
+ } else {
+ for (let i = 0, iz = scopes.length; i < iz; ++i) {
+ const scope = scopes[i];
+
+ if (predicate(scope)) {
+ return scope;
+ }
+ }
+ }
+
+ return null;
+ }
+
+ /**
+ * acquire all scopes from node.
+ * @method ScopeManager#acquireAll
+ * @param {Espree.Node} node - node for the acquired scope.
+ * @returns {Scopes?} Scope array
+ */
+ acquireAll(node) {
+ return this.__get(node);
+ }
+
+ /**
+ * release the node.
+ * @method ScopeManager#release
+ * @param {Espree.Node} node - releasing node.
+ * @param {boolean=} inner - look up the most inner scope, default value is false.
+ * @returns {Scope?} upper scope for the node.
+ */
+ release(node, inner) {
+ const scopes = this.__get(node);
+
+ if (scopes && scopes.length) {
+ const scope = scopes[0].upper;
+
+ if (!scope) {
+ return null;
+ }
+ return this.acquire(scope.block, inner);
+ }
+ return null;
+ }
+
+ attach() { } // eslint-disable-line class-methods-use-this
+
+ detach() { } // eslint-disable-line class-methods-use-this
+
+ __nestScope(scope) {
+ if (scope instanceof GlobalScope) {
+ assert(this.__currentScope === null);
+ this.globalScope = scope;
+ }
+ this.__currentScope = scope;
+ return scope;
+ }
+
+ __nestGlobalScope(node) {
+ return this.__nestScope(new GlobalScope(this, node));
+ }
+
+ __nestBlockScope(node) {
+ return this.__nestScope(new BlockScope(this, this.__currentScope, node));
+ }
+
+ __nestFunctionScope(node, isMethodDefinition) {
+ return this.__nestScope(new FunctionScope(this, this.__currentScope, node, isMethodDefinition));
+ }
+
+ __nestForScope(node) {
+ return this.__nestScope(new ForScope(this, this.__currentScope, node));
+ }
+
+ __nestCatchScope(node) {
+ return this.__nestScope(new CatchScope(this, this.__currentScope, node));
+ }
+
+ __nestWithScope(node) {
+ return this.__nestScope(new WithScope(this, this.__currentScope, node));
+ }
+
+ __nestClassScope(node) {
+ return this.__nestScope(new ClassScope(this, this.__currentScope, node));
+ }
+
+ __nestSwitchScope(node) {
+ return this.__nestScope(new SwitchScope(this, this.__currentScope, node));
+ }
+
+ __nestModuleScope(node) {
+ return this.__nestScope(new ModuleScope(this, this.__currentScope, node));
+ }
+
+ __nestFunctionExpressionNameScope(node) {
+ return this.__nestScope(new FunctionExpressionNameScope(this, this.__currentScope, node));
+ }
+
+ __isES6() {
+ return this.__options.ecmaVersion >= 6;
+ }
+}
+
+module.exports = ScopeManager;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/src/node_modules/eslint-scope/lib/scope.js b/src/node_modules/eslint-scope/lib/scope.js
new file mode 100644
index 0000000..bdb5f63
--- /dev/null
+++ b/src/node_modules/eslint-scope/lib/scope.js
@@ -0,0 +1,748 @@
+/*
+ Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/* eslint-disable no-underscore-dangle */
+/* eslint-disable no-undefined */
+
+const Syntax = require("estraverse").Syntax;
+
+const Reference = require("./reference");
+const Variable = require("./variable");
+const Definition = require("./definition").Definition;
+const assert = require("assert");
+
+/**
+ * Test if scope is struct
+ * @param {Scope} scope - scope
+ * @param {Block} block - block
+ * @param {boolean} isMethodDefinition - is method definition
+ * @param {boolean} useDirective - use directive
+ * @returns {boolean} is strict scope
+ */
+function isStrictScope(scope, block, isMethodDefinition, useDirective) {
+ let body;
+
+ // When upper scope is exists and strict, inner scope is also strict.
+ if (scope.upper && scope.upper.isStrict) {
+ return true;
+ }
+
+ if (isMethodDefinition) {
+ return true;
+ }
+
+ if (scope.type === "class" || scope.type === "module") {
+ return true;
+ }
+
+ if (scope.type === "block" || scope.type === "switch") {
+ return false;
+ }
+
+ if (scope.type === "function") {
+ if (block.type === Syntax.ArrowFunctionExpression && block.body.type !== Syntax.BlockStatement) {
+ return false;
+ }
+
+ if (block.type === Syntax.Program) {
+ body = block;
+ } else {
+ body = block.body;
+ }
+
+ if (!body) {
+ return false;
+ }
+ } else if (scope.type === "global") {
+ body = block;
+ } else {
+ return false;
+ }
+
+ // Search 'use strict' directive.
+ if (useDirective) {
+ for (let i = 0, iz = body.body.length; i < iz; ++i) {
+ const stmt = body.body[i];
+
+ if (stmt.type !== Syntax.DirectiveStatement) {
+ break;
+ }
+ if (stmt.raw === "\"use strict\"" || stmt.raw === "'use strict'") {
+ return true;
+ }
+ }
+ } else {
+ for (let i = 0, iz = body.body.length; i < iz; ++i) {
+ const stmt = body.body[i];
+
+ if (stmt.type !== Syntax.ExpressionStatement) {
+ break;
+ }
+ const expr = stmt.expression;
+
+ if (expr.type !== Syntax.Literal || typeof expr.value !== "string") {
+ break;
+ }
+ if (expr.raw !== null && expr.raw !== undefined) {
+ if (expr.raw === "\"use strict\"" || expr.raw === "'use strict'") {
+ return true;
+ }
+ } else {
+ if (expr.value === "use strict") {
+ return true;
+ }
+ }
+ }
+ }
+ return false;
+}
+
+/**
+ * Register scope
+ * @param {ScopeManager} scopeManager - scope manager
+ * @param {Scope} scope - scope
+ * @returns {void}
+ */
+function registerScope(scopeManager, scope) {
+ scopeManager.scopes.push(scope);
+
+ const scopes = scopeManager.__nodeToScope.get(scope.block);
+
+ if (scopes) {
+ scopes.push(scope);
+ } else {
+ scopeManager.__nodeToScope.set(scope.block, [scope]);
+ }
+}
+
+/**
+ * Should be statically
+ * @param {Object} def - def
+ * @returns {boolean} should be statically
+ */
+function shouldBeStatically(def) {
+ return (
+ (def.type === Variable.ClassName) ||
+ (def.type === Variable.Variable && def.parent.kind !== "var")
+ );
+}
+
+/**
+ * @class Scope
+ */
+class Scope {
+ constructor(scopeManager, type, upperScope, block, isMethodDefinition) {
+
+ /**
+ * One of 'module', 'block', 'switch', 'function', 'catch', 'with', 'function', 'class', 'global'.
+ * @member {String} Scope#type
+ */
+ this.type = type;
+
+ /**
+ * The scoped {@link Variable}s of this scope, as <code>{ Variable.name
+ * : Variable }</code>.
+ * @member {Map} Scope#set
+ */
+ this.set = new Map();
+
+ /**
+ * The tainted variables of this scope, as <code>{ Variable.name :
+ * boolean }</code>.
+ * @member {Map} Scope#taints */
+ this.taints = new Map();
+
+ /**
+ * Generally, through the lexical scoping of JS you can always know
+ * which variable an identifier in the source code refers to. There are
+ * a few exceptions to this rule. With 'global' and 'with' scopes you
+ * can only decide at runtime which variable a reference refers to.
+ * Moreover, if 'eval()' is used in a scope, it might introduce new
+ * bindings in this or its parent scopes.
+ * All those scopes are considered 'dynamic'.
+ * @member {boolean} Scope#dynamic
+ */
+ this.dynamic = this.type === "global" || this.type === "with";
+
+ /**
+ * A reference to the scope-defining syntax node.
+ * @member {espree.Node} Scope#block
+ */
+ this.block = block;
+
+ /**
+ * The {@link Reference|references} that are not resolved with this scope.
+ * @member {Reference[]} Scope#through
+ */
+ this.through = [];
+
+ /**
+ * The scoped {@link Variable}s of this scope. In the case of a
+ * 'function' scope this includes the automatic argument <em>arguments</em> as
+ * its first element, as well as all further formal arguments.
+ * @member {Variable[]} Scope#variables
+ */
+ this.variables = [];
+
+ /**
+ * Any variable {@link Reference|reference} found in this scope. This
+ * includes occurrences of local variables as well as variables from
+ * parent scopes (including the global scope). For local variables
+ * this also includes defining occurrences (like in a 'var' statement).
+ * In a 'function' scope this does not include the occurrences of the
+ * formal parameter in the parameter list.
+ * @member {Reference[]} Scope#references
+ */
+ this.references = [];
+
+ /**
+ * For 'global' and 'function' scopes, this is a self-reference. For
+ * other scope types this is the <em>variableScope</em> value of the
+ * parent scope.
+ * @member {Scope} Scope#variableScope
+ */
+ this.variableScope =
+ (this.type === "global" || this.type === "function" || this.type === "module") ? this : upperScope.variableScope;
+
+ /**
+ * Whether this scope is created by a FunctionExpression.
+ * @member {boolean} Scope#functionExpressionScope
+ */
+ this.functionExpressionScope = false;
+
+ /**
+ * Whether this is a scope that contains an 'eval()' invocation.
+ * @member {boolean} Scope#directCallToEvalScope
+ */
+ this.directCallToEvalScope = false;
+
+ /**
+ * @member {boolean} Scope#thisFound
+ */
+ this.thisFound = false;
+
+ this.__left = [];
+
+ /**
+ * Reference to the parent {@link Scope|scope}.
+ * @member {Scope} Scope#upper
+ */
+ this.upper = upperScope;
+
+ /**
+ * Whether 'use strict' is in effect in this scope.
+ * @member {boolean} Scope#isStrict
+ */
+ this.isStrict = isStrictScope(this, block, isMethodDefinition, scopeManager.__useDirective());
+
+ /**
+ * List of nested {@link Scope}s.
+ * @member {Scope[]} Scope#childScopes
+ */
+ this.childScopes = [];
+ if (this.upper) {
+ this.upper.childScopes.push(this);
+ }
+
+ this.__declaredVariables = scopeManager.__declaredVariables;
+
+ registerScope(scopeManager, this);
+ }
+
+ __shouldStaticallyClose(scopeManager) {
+ return (!this.dynamic || scopeManager.__isOptimistic());
+ }
+
+ __shouldStaticallyCloseForGlobal(ref) {
+
+ // On global scope, let/const/class declarations should be resolved statically.
+ const name = ref.identifier.name;
+
+ if (!this.set.has(name)) {
+ return false;
+ }
+
+ const variable = this.set.get(name);
+ const defs = variable.defs;
+
+ return defs.length > 0 && defs.every(shouldBeStatically);
+ }
+
+ __staticCloseRef(ref) {
+ if (!this.__resolve(ref)) {
+ this.__delegateToUpperScope(ref);
+ }
+ }
+
+ __dynamicCloseRef(ref) {
+
+ // notify all names are through to global
+ let current = this;
+
+ do {
+ current.through.push(ref);
+ current = current.upper;
+ } while (current);
+ }
+
+ __globalCloseRef(ref) {
+
+ // let/const/class declarations should be resolved statically.
+ // others should be resolved dynamically.
+ if (this.__shouldStaticallyCloseForGlobal(ref)) {
+ this.__staticCloseRef(ref);
+ } else {
+ this.__dynamicCloseRef(ref);
+ }
+ }
+
+ __close(scopeManager) {
+ let closeRef;
+
+ if (this.__shouldStaticallyClose(scopeManager)) {
+ closeRef = this.__staticCloseRef;
+ } else if (this.type !== "global") {
+ closeRef = this.__dynamicCloseRef;
+ } else {
+ closeRef = this.__globalCloseRef;
+ }
+
+ // Try Resolving all references in this scope.
+ for (let i = 0, iz = this.__left.length; i < iz; ++i) {
+ const ref = this.__left[i];
+
+ closeRef.call(this, ref);
+ }
+ this.__left = null;
+
+ return this.upper;
+ }
+
+ // To override by function scopes.
+ // References in default parameters isn't resolved to variables which are in their function body.
+ __isValidResolution(ref, variable) { // eslint-disable-line class-methods-use-this, no-unused-vars
+ return true;
+ }
+
+ __resolve(ref) {
+ const name = ref.identifier.name;
+
+ if (!this.set.has(name)) {
+ return false;
+ }
+ const variable = this.set.get(name);
+
+ if (!this.__isValidResolution(ref, variable)) {
+ return false;
+ }
+ variable.references.push(ref);
+ variable.stack = variable.stack && ref.from.variableScope === this.variableScope;
+ if (ref.tainted) {
+ variable.tainted = true;
+ this.taints.set(variable.name, true);
+ }
+ ref.resolved = variable;
+
+ return true;
+ }
+
+ __delegateToUpperScope(ref) {
+ if (this.upper) {
+ this.upper.__left.push(ref);
+ }
+ this.through.push(ref);
+ }
+
+ __addDeclaredVariablesOfNode(variable, node) {
+ if (node === null || node === undefined) {
+ return;
+ }
+
+ let variables = this.__declaredVariables.get(node);
+
+ if (variables === null || variables === undefined) {
+ variables = [];
+ this.__declaredVariables.set(node, variables);
+ }
+ if (variables.indexOf(variable) === -1) {
+ variables.push(variable);
+ }
+ }
+
+ __defineGeneric(name, set, variables, node, def) {
+ let variable;
+
+ variable = set.get(name);
+ if (!variable) {
+ variable = new Variable(name, this);
+ set.set(name, variable);
+ variables.push(variable);
+ }
+
+ if (def) {
+ variable.defs.push(def);
+ this.__addDeclaredVariablesOfNode(variable, def.node);
+ this.__addDeclaredVariablesOfNode(variable, def.parent);
+ }
+ if (node) {
+ variable.identifiers.push(node);
+ }
+ }
+
+ __define(node, def) {
+ if (node && node.type === Syntax.Identifier) {
+ this.__defineGeneric(
+ node.name,
+ this.set,
+ this.variables,
+ node,
+ def
+ );
+ }
+ }
+
+ __referencing(node, assign, writeExpr, maybeImplicitGlobal, partial, init) {
+
+ // because Array element may be null
+ if (!node || node.type !== Syntax.Identifier) {
+ return;
+ }
+
+ // Specially handle like `this`.
+ if (node.name === "super") {
+ return;
+ }
+
+ const ref = new Reference(node, this, assign || Reference.READ, writeExpr, maybeImplicitGlobal, !!partial, !!init);
+
+ this.references.push(ref);
+ this.__left.push(ref);
+ }
+
+ __detectEval() {
+ let current = this;
+
+ this.directCallToEvalScope = true;
+ do {
+ current.dynamic = true;
+ current = current.upper;
+ } while (current);
+ }
+
+ __detectThis() {
+ this.thisFound = true;
+ }
+
+ __isClosed() {
+ return this.__left === null;
+ }
+
+ /**
+ * returns resolved {Reference}
+ * @method Scope#resolve
+ * @param {Espree.Identifier} ident - identifier to be resolved.
+ * @returns {Reference} reference
+ */
+ resolve(ident) {
+ let ref, i, iz;
+
+ assert(this.__isClosed(), "Scope should be closed.");
+ assert(ident.type === Syntax.Identifier, "Target should be identifier.");
+ for (i = 0, iz = this.references.length; i < iz; ++i) {
+ ref = this.references[i];
+ if (ref.identifier === ident) {
+ return ref;
+ }
+ }
+ return null;
+ }
+
+ /**
+ * returns this scope is static
+ * @method Scope#isStatic
+ * @returns {boolean} static
+ */
+ isStatic() {
+ return !this.dynamic;
+ }
+
+ /**
+ * returns this scope has materialized arguments
+ * @method Scope#isArgumentsMaterialized
+ * @returns {boolean} arguemnts materialized
+ */
+ isArgumentsMaterialized() { // eslint-disable-line class-methods-use-this
+ return true;
+ }
+
+ /**
+ * returns this scope has materialized `this` reference
+ * @method Scope#isThisMaterialized
+ * @returns {boolean} this materialized
+ */
+ isThisMaterialized() { // eslint-disable-line class-methods-use-this
+ return true;
+ }
+
+ isUsedName(name) {
+ if (this.set.has(name)) {
+ return true;
+ }
+ for (let i = 0, iz = this.through.length; i < iz; ++i) {
+ if (this.through[i].identifier.name === name) {
+ return true;
+ }
+ }
+ return false;
+ }
+}
+
+class GlobalScope extends Scope {
+ constructor(scopeManager, block) {
+ super(scopeManager, "global", null, block, false);
+ this.implicit = {
+ set: new Map(),
+ variables: [],
+
+ /**
+ * List of {@link Reference}s that are left to be resolved (i.e. which
+ * need to be linked to the variable they refer to).
+ * @member {Reference[]} Scope#implicit#left
+ */
+ left: []
+ };
+ }
+
+ __close(scopeManager) {
+ const implicit = [];
+
+ for (let i = 0, iz = this.__left.length; i < iz; ++i) {
+ const ref = this.__left[i];
+
+ if (ref.__maybeImplicitGlobal && !this.set.has(ref.identifier.name)) {
+ implicit.push(ref.__maybeImplicitGlobal);
+ }
+ }
+
+ // create an implicit global variable from assignment expression
+ for (let i = 0, iz = implicit.length; i < iz; ++i) {
+ const info = implicit[i];
+
+ this.__defineImplicit(info.pattern,
+ new Definition(
+ Variable.ImplicitGlobalVariable,
+ info.pattern,
+ info.node,
+ null,
+ null,
+ null
+ ));
+
+ }
+
+ this.implicit.left = this.__left;
+
+ return super.__close(scopeManager);
+ }
+
+ __defineImplicit(node, def) {
+ if (node && node.type === Syntax.Identifier) {
+ this.__defineGeneric(
+ node.name,
+ this.implicit.set,
+ this.implicit.variables,
+ node,
+ def
+ );
+ }
+ }
+}
+
+class ModuleScope extends Scope {
+ constructor(scopeManager, upperScope, block) {
+ super(scopeManager, "module", upperScope, block, false);
+ }
+}
+
+class FunctionExpressionNameScope extends Scope {
+ constructor(scopeManager, upperScope, block) {
+ super(scopeManager, "function-expression-name", upperScope, block, false);
+ this.__define(block.id,
+ new Definition(
+ Variable.FunctionName,
+ block.id,
+ block,
+ null,
+ null,
+ null
+ ));
+ this.functionExpressionScope = true;
+ }
+}
+
+class CatchScope extends Scope {
+ constructor(scopeManager, upperScope, block) {
+ super(scopeManager, "catch", upperScope, block, false);
+ }
+}
+
+class WithScope extends Scope {
+ constructor(scopeManager, upperScope, block) {
+ super(scopeManager, "with", upperScope, block, false);
+ }
+
+ __close(scopeManager) {
+ if (this.__shouldStaticallyClose(scopeManager)) {
+ return super.__close(scopeManager);
+ }
+
+ for (let i = 0, iz = this.__left.length; i < iz; ++i) {
+ const ref = this.__left[i];
+
+ ref.tainted = true;
+ this.__delegateToUpperScope(ref);
+ }
+ this.__left = null;
+
+ return this.upper;
+ }
+}
+
+class BlockScope extends Scope {
+ constructor(scopeManager, upperScope, block) {
+ super(scopeManager, "block", upperScope, block, false);
+ }
+}
+
+class SwitchScope extends Scope {
+ constructor(scopeManager, upperScope, block) {
+ super(scopeManager, "switch", upperScope, block, false);
+ }
+}
+
+class FunctionScope extends Scope {
+ constructor(scopeManager, upperScope, block, isMethodDefinition) {
+ super(scopeManager, "function", upperScope, block, isMethodDefinition);
+
+ // section 9.2.13, FunctionDeclarationInstantiation.
+ // NOTE Arrow functions never have an arguments objects.
+ if (this.block.type !== Syntax.ArrowFunctionExpression) {
+ this.__defineArguments();
+ }
+ }
+
+ isArgumentsMaterialized() {
+
+ // TODO(Constellation)
+ // We can more aggressive on this condition like this.
+ //
+ // function t() {
+ // // arguments of t is always hidden.
+ // function arguments() {
+ // }
+ // }
+ if (this.block.type === Syntax.ArrowFunctionExpression) {
+ return false;
+ }
+
+ if (!this.isStatic()) {
+ return true;
+ }
+
+ const variable = this.set.get("arguments");
+
+ assert(variable, "Always have arguments variable.");
+ return variable.tainted || variable.references.length !== 0;
+ }
+
+ isThisMaterialized() {
+ if (!this.isStatic()) {
+ return true;
+ }
+ return this.thisFound;
+ }
+
+ __defineArguments() {
+ this.__defineGeneric(
+ "arguments",
+ this.set,
+ this.variables,
+ null,
+ null
+ );
+ this.taints.set("arguments", true);
+ }
+
+ // References in default parameters isn't resolved to variables which are in their function body.
+ // const x = 1
+ // function f(a = x) { // This `x` is resolved to the `x` in the outer scope.
+ // const x = 2
+ // console.log(a)
+ // }
+ __isValidResolution(ref, variable) {
+
+ // If `options.nodejsScope` is true, `this.block` becomes a Program node.
+ if (this.block.type === "Program") {
+ return true;
+ }
+
+ const bodyStart = this.block.body.range[0];
+
+ // It's invalid resolution in the following case:
+ return !(
+ variable.scope === this &&
+ ref.identifier.range[0] < bodyStart && // the reference is in the parameter part.
+ variable.defs.every(d => d.name.range[0] >= bodyStart) // the variable is in the body.
+ );
+ }
+}
+
+class ForScope extends Scope {
+ constructor(scopeManager, upperScope, block) {
+ super(scopeManager, "for", upperScope, block, false);
+ }
+}
+
+class ClassScope extends Scope {
+ constructor(scopeManager, upperScope, block) {
+ super(scopeManager, "class", upperScope, block, false);
+ }
+}
+
+module.exports = {
+ Scope,
+ GlobalScope,
+ ModuleScope,
+ FunctionExpressionNameScope,
+ CatchScope,
+ WithScope,
+ BlockScope,
+ SwitchScope,
+ FunctionScope,
+ ForScope,
+ ClassScope
+};
+
+/* vim: set sw=4 ts=4 et tw=80 : */
diff --git a/src/node_modules/eslint-scope/lib/variable.js b/src/node_modules/eslint-scope/lib/variable.js
new file mode 100644
index 0000000..702c478
--- /dev/null
+++ b/src/node_modules/eslint-scope/lib/variable.js
@@ -0,0 +1,88 @@
+/*
+ Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+"use strict";
+
+/**
+ * A Variable represents a locally scoped identifier. These include arguments to
+ * functions.
+ * @class Variable
+ */
+class Variable {
+ constructor(name, scope) {
+
+ /**
+ * The variable name, as given in the source code.
+ * @member {String} Variable#name
+ */
+ this.name = name;
+
+ /**
+ * List of defining occurrences of this variable (like in 'var ...'
+ * statements or as parameter), as AST nodes.
+ * @member {espree.Identifier[]} Variable#identifiers
+ */
+ this.identifiers = [];
+
+ /**
+ * List of {@link Reference|references} of this variable (excluding parameter entries)
+ * in its defining scope and all nested scopes. For defining
+ * occurrences only see {@link Variable#defs}.
+ * @member {Reference[]} Variable#references
+ */
+ this.references = [];
+
+ /**
+ * List of defining occurrences of this variable (like in 'var ...'
+ * statements or as parameter), as custom objects.
+ * @member {Definition[]} Variable#defs
+ */
+ this.defs = [];
+
+ this.tainted = false;
+
+ /**
+ * Whether this is a stack variable.
+ * @member {boolean} Variable#stack
+ */
+ this.stack = true;
+
+ /**
+ * Reference to the enclosing Scope.
+ * @member {Scope} Variable#scope
+ */
+ this.scope = scope;
+ }
+}
+
+Variable.CatchClause = "CatchClause";
+Variable.Parameter = "Parameter";
+Variable.FunctionName = "FunctionName";
+Variable.ClassName = "ClassName";
+Variable.Variable = "Variable";
+Variable.ImportBinding = "ImportBinding";
+Variable.ImplicitGlobalVariable = "ImplicitGlobalVariable";
+
+module.exports = Variable;
+
+/* vim: set sw=4 ts=4 et tw=80 : */
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