|
|
- /*
- 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 : */
|