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89 lines
3.1 KiB
JavaScript
89 lines
3.1 KiB
JavaScript
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/*
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Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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"use strict";
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/**
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* A Variable represents a locally scoped identifier. These include arguments to
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* functions.
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* @class Variable
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*/
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class Variable {
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constructor(name, scope) {
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/**
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* The variable name, as given in the source code.
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* @member {String} Variable#name
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*/
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this.name = name;
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/**
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* List of defining occurrences of this variable (like in 'var ...'
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* statements or as parameter), as AST nodes.
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* @member {espree.Identifier[]} Variable#identifiers
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*/
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this.identifiers = [];
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/**
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* List of {@link Reference|references} of this variable (excluding parameter entries)
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* in its defining scope and all nested scopes. For defining
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* occurrences only see {@link Variable#defs}.
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* @member {Reference[]} Variable#references
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*/
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this.references = [];
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/**
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* List of defining occurrences of this variable (like in 'var ...'
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* statements or as parameter), as custom objects.
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* @member {Definition[]} Variable#defs
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*/
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this.defs = [];
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this.tainted = false;
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/**
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* Whether this is a stack variable.
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* @member {boolean} Variable#stack
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*/
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this.stack = true;
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/**
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* Reference to the enclosing Scope.
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* @member {Scope} Variable#scope
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*/
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this.scope = scope;
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}
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}
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Variable.CatchClause = "CatchClause";
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Variable.Parameter = "Parameter";
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Variable.FunctionName = "FunctionName";
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Variable.ClassName = "ClassName";
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Variable.Variable = "Variable";
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Variable.ImportBinding = "ImportBinding";
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Variable.ImplicitGlobalVariable = "ImplicitGlobalVariable";
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module.exports = Variable;
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/* vim: set sw=4 ts=4 et tw=80 : */
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