wehub-resource-sync
87 lines
3.7 KiB
JavaScript
87 lines
3.7 KiB
JavaScript
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import * as flatc from './flatc.js';
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import * as fs from 'fs/promises';
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import * as path from 'path';
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import * as url from 'url';
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/* eslint-disable no-extend-native */
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BigInt.prototype.toNumber = function() {
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if (this > Number.MAX_SAFE_INTEGER || this < Number.MIN_SAFE_INTEGER) {
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throw new Error('64-bit value exceeds safe integer.');
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}
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return Number(this);
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};
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/* eslint-enable no-extend-native */
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const main = async () => {
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const dirname = path.dirname(url.fileURLToPath(import.meta.url));
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const schema = path.join(dirname, '..', 'third_party', 'source', 'tensorflow', 'tensorflow', 'compiler', 'mlir', 'lite', 'schema', 'schema.fbs');
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const file = path.join(dirname, '..', 'source', 'tflite-metadata.json');
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const input = await fs.readFile(file, 'utf-8');
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const json = JSON.parse(input);
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const operators = new Map();
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const attributes = new Map();
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for (const operator of json) {
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if (operators.has(operator.name)) {
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throw new Error(`Duplicate operator '${operator.name}'.`);
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}
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operators.set(operator.name, operator);
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if (operator && operator.attributes) {
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for (const attribute of operator.attributes) {
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const name = `${operator.name}:${attribute.name}`;
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attributes.set(name, attribute);
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}
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}
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}
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const root = new flatc.Root('tflite');
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await root.load([], [schema]);
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const namespace = root.find('tflite', flatc.Namespace);
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const builtOperator = namespace.find('tflite.BuiltinOperator', flatc.Type);
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const upperCase = new Set(['2D', 'LSH', 'SVDF', 'RNN', 'L2', 'LSTM']);
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for (const op of builtOperator.values.keys()) {
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let op_key = op === 'BATCH_MATMUL' ? 'BATCH_MAT_MUL' : op;
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op_key = op_key.split('_').map((s) => (s.length < 1 || upperCase.has(s)) ? s : s[0] + s.substring(1).toLowerCase()).join('');
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const table = namespace.find(`tflite.${op_key}Options`, flatc.Type);
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if (table && table.fields.size > 0) {
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if (!operators.has(op_key)) {
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const operator = { name: op_key };
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operators.set(op_key, operator);
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json.push(operator);
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}
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const operator = operators.get(op_key);
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operator.attributes = operator.attributes || [];
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for (const field of table.fields.values()) {
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const attr_key = `${op_key}:${field.name}`;
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if (!attributes.has(attr_key)) {
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const attribute = { name: field.name };
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attributes.set(attr_key, attribute);
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operator.attributes.push(attribute);
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}
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const attribute = attributes.get(attr_key);
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const type = field.type;
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let defaultValue = field.defaultValue;
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if (typeof defaultValue === 'bigint') {
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defaultValue = defaultValue.toNumber();
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}
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if (type instanceof flatc.Enum) {
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if (!type.keys.has(defaultValue)) {
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throw new Error(`Invalid '${type.name}' default value '${defaultValue}'.`);
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}
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defaultValue = type.keys.get(defaultValue);
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}
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attribute.type = type.name === 'bool' ? 'boolean' : type.name + (field.repeated ? '[]' : '');
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attribute.default = defaultValue;
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}
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}
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}
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json.sort((a, b) => a.name.localeCompare(b.name));
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let output = JSON.stringify(json, null, 2);
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output = output.replace(/\s {8}/g, ' ');
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output = output.replace(/,\s {8}/g, ', ');
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output = output.replace(/\s {6}}/g, ' }');
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await fs.writeFile(file, output, 'utf-8');
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};
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await main(); |