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e9a5a7f918
* [javascriptcore-test262-automation] changes from git@github.com:WebKit/webkit.git at sha 949e26452cfa153a7f4afe593da97e2fe9e1b706 on Tue Jul 03 2018 14:35:15 GMT-0400 (Eastern Daylight Time)
77 lines
3.3 KiB
JavaScript
77 lines
3.3 KiB
JavaScript
/*
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* Copyright (C) 2016-2017 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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import * as utilities from 'utilities.js';
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const _mapValues = from => {
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let values = {};
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for (const key in from)
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values[key] = from[key].value;
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return values;
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};
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export const description = utilities.json("wasm.json");
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export const type = Object.keys(description.type);
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const _typeSet = new Set(type);
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export const isValidType = v => _typeSet.has(v);
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export const typeValue = _mapValues(description.type);
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const _valueTypeSet = new Set(description.value_type);
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export const isValidValueType = v => _valueTypeSet.has(v);
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const _blockTypeSet = new Set(description.block_type);
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export const isValidBlockType = v => _blockTypeSet.has(v);
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export const externalKindValue = _mapValues(description.external_kind);
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export const sections = Object.keys(description.section);
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export const sectionEncodingType = description.section[sections[0]].type;
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export function* opcodes(category = undefined) {
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for (let op in description.opcode)
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if (category !== undefined && description.opcode[op].category === category)
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yield { name: op, opcode: description.opcode[op] };
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};
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export const memoryAccessInfo = op => {
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// <-----------valueType-----------> <-------type-------><---------width--------> <--sign-->
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const classify = /((?:i32)|(?:i64)|(?:f32)|(?:f64))\.((?:load)|(?:store))((?:8)|(?:16)|(?:32))?_?((?:s|u)?)/;
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const found = op.name.match(classify);
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const valueType = found[1];
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const type = found[2];
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const width = parseInt(found[3] ? found[3] : valueType.slice(1));
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const sign = (() => {
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switch (found[4]) {
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case "s": return "signed";
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case "u": return "unsigned";
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default: return "agnostic";
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}
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})();
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return { valueType, type, width, sign };
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};
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export const constForValueType = valueType => {
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for (let op in description.opcode)
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if (op.endsWith(".const") && description.opcode[op]["return"] == valueType)
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return op;
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throw new Error(`Implementation problem: no const type for ${valueType}`);
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};
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