94 lines
2.6 KiB
JavaScript
94 lines
2.6 KiB
JavaScript
/*
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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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
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* are met:
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* 1. 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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* 2. 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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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* 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
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* OF 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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class NameFinder extends Visitor {
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constructor()
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{
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super();
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this._set = new Set();
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this._worklist = [];
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}
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get set() { return this._set; }
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get worklist() { return this._worklist; }
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add(name)
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{
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if (this._set.has(name))
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return;
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this._set.add(name);
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this._worklist.push(name);
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}
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visitProtocolRef(node)
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{
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this.add(node.name);
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super.visitProtocolRef(node);
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}
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visitTypeRef(node)
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{
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this.add(node.name);
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super.visitTypeRef(node);
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}
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visitVariableRef(node)
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{
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this.add(node.name);
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super.visitVariableRef(node);
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}
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visitTypeOrVariableRef(node)
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{
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this.add(node.name);
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}
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_handlePropertyAccess(node)
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{
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this.add(node.getFuncName);
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this.add(node.setFuncName);
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this.add(node.andFuncName);
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}
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visitDotExpression(node)
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{
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this._handlePropertyAccess(node);
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super.visitDotExpression(node);
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}
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visitIndexExpression(node)
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{
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this._handlePropertyAccess(node);
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super.visitIndexExpression(node);
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}
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visitCallExpression(node)
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{
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this.add(node.name);
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super.visitCallExpression(node);
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}
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}
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