82 lines
2.5 KiB
JavaScript
82 lines
2.5 KiB
JavaScript
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import fs from 'fs';
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import path from 'path';
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// ```js
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// rustMethods['eth']['call'] === true
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// ```
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const rustMethods = {};
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export default rustMethods;
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// Get a list of JSON-RPC from Rust trait source code
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function parseMethodsFromRust (source) {
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// Matching the custom `rpc` attribute with it's doc comment
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const attributePattern = /((?:\s*\/\/\/.*$)*)\s*#\[rpc\(([^)]+)\)]/gm;
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const commentPattern = /\s*\/\/\/\s*/g;
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const separatorPattern = /\s*,\s*/g;
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const assignPattern = /([\S]+)\s*=\s*"([^"]*)"/;
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const ignorePattern = /@(ignore|deprecated|unimplemented|alias)\b/i;
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const methods = [];
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source.toString().replace(attributePattern, (match, comment, props) => {
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comment = comment.replace(commentPattern, '\n').trim();
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// Skip deprecated methods
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if (ignorePattern.test(comment)) {
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return match;
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}
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props.split(separatorPattern).forEach((prop) => {
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const [, key, value] = prop.split(assignPattern) || [];
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if (key === 'name' && value != null) {
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methods.push(value);
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}
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});
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return match;
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});
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return methods;
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}
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// Get a list of all JSON-RPC methods from all defined traits
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function getMethodsFromRustTraits () {
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const traitsDir = path.join(__dirname, '../../../rpc/src/v1/traits');
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return fs.readdirSync(traitsDir)
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.filter((name) => name !== 'mod.rs' && /\.rs$/.test(name))
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.map((name) => fs.readFileSync(path.join(traitsDir, name)))
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.map(parseMethodsFromRust)
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.reduce((a, b) => a.concat(b));
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}
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getMethodsFromRustTraits().sort().forEach((method) => {
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const [group, name] = method.split('_');
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// Skip methods with malformed names
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if (group == null || name == null) {
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return;
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}
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rustMethods[group] = rustMethods[group] || {};
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rustMethods[group][name] = true;
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});
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