| /* |
| 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 : */ |