90 lines
3.1 KiB
JavaScript
90 lines
3.1 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 ArrayType extends Type {
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constructor(origin, elementType, numElements)
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{
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if (!numElements)
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throw new Error("null numElements");
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super();
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this._origin = origin;
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this._elementType = elementType;
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this._numElements = numElements;
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}
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get origin() { return this._origin; }
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get elementType() { return this._elementType; }
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get numElements() { return this._numElements; }
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get isPrimitive() { return this.elementType.isPrimitive; }
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get isArray() { return true; }
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get numElementsValue()
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{
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if (!(this.numElements.isLiteral))
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throw new Error("numElements is not a literal: " + this.numElements);
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return this.numElements.value;
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}
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toString()
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{
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return this.elementType + "[" + this.numElements + "]";
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}
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get size()
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{
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return this.elementType.size * this.numElementsValue;
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}
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populateDefaultValue(buffer, offset)
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{
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for (let i = 0; i < this.numElementsValue; ++i)
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this.elementType.populateDefaultValue(buffer, offset + i * this.elementType.size);
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}
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unifyImpl(unificationContext, other)
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{
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if (!(other instanceof ArrayType))
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return false;
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if (!this.numElements.unify(unificationContext, other.numElements))
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return false;
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return this.elementType.unify(unificationContext, other.elementType);
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}
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argumentForAndOverload(origin, value)
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{
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let result = new MakeArrayRefExpression(origin, value);
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result.numElements = this.numElements;
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return result;
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}
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argumentTypeForAndOverload(origin)
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{
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return new ArrayRefType(origin, "thread", this.elementType);
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}
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}
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