88 lines
3.1 KiB
JavaScript
88 lines
3.1 KiB
JavaScript
|
/*
|
||
|
|
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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A Variable represents a locally scoped identifier. These include arguments to
|
||
|
|
* functions.
|
||
|
|
* @constructor 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";
|
||
|
|
|
||
|
|
export default Variable;
|
||
|
|
|
||
|
|
/* vim: set sw=4 ts=4 et tw=80 : */
|