generateParsers.js 11 KB

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  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. const fs = require('fs');
  17. const exec = require('child_process').exec;
  18. const LICENSE =
  19. '// Licensed to Cloudera, Inc. under one\n' +
  20. '// or more contributor license agreements. See the NOTICE file\n' +
  21. '// distributed with this work for additional information\n' +
  22. '// regarding copyright ownership. Cloudera, Inc. licenses this file\n' +
  23. '// to you under the Apache License, Version 2.0 (the\n' +
  24. '// "License"); you may not use this file except in compliance\n' +
  25. '// with the License. You may obtain a copy of the License at\n' +
  26. '//\n' +
  27. '// http://www.apache.org/licenses/LICENSE-2.0\n' +
  28. '//\n' +
  29. '// Unless required by applicable law or agreed to in writing, software\n' +
  30. '// distributed under the License is distributed on an "AS IS" BASIS,\n' +
  31. '// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n' +
  32. '// See the License for the specific language governing permissions and\n' +
  33. '// limitations under the License.\n';
  34. const SQL_STATEMENTS_PARSER_JSDOC =
  35. '/**\n' +
  36. ' * @param {string} input\n' +
  37. ' *\n' +
  38. ' * @return {SqlStatementsParserResult}\n' +
  39. ' */\n';
  40. const JISON_FOLDER = 'desktop/core/src/desktop/js/parse/jison/';
  41. const parserDefinitions = {
  42. globalSearchParser: {
  43. sources: ['globalSearchParser.jison'],
  44. target: 'globalSearchParser.jison',
  45. outputFolder: 'desktop/core/src/desktop/js/parse/',
  46. afterParse: contents =>
  47. new Promise(resolve => {
  48. resolve(
  49. LICENSE +
  50. contents.replace(
  51. 'var globalSearchParser = ',
  52. "import SqlParseSupport from 'parse/sqlParseSupport';\n\nvar globalSearchParser = "
  53. ) +
  54. '\nexport default globalSearchParser;\n'
  55. );
  56. })
  57. },
  58. solrFormulaParser: {
  59. sources: ['solrFormulaParser.jison'],
  60. target: 'solrFormulaParser.jison',
  61. outputFolder: 'desktop/core/src/desktop/js/parse/',
  62. afterParse: contents =>
  63. new Promise(resolve => {
  64. resolve(LICENSE + contents + 'export default solrFormulaParser;\n');
  65. })
  66. },
  67. solrQueryParser: {
  68. sources: ['solrQueryParser.jison'],
  69. target: 'solrQueryParser.jison',
  70. outputFolder: 'desktop/core/src/desktop/js/parse/',
  71. afterParse: contents =>
  72. new Promise(resolve => {
  73. resolve(LICENSE + contents + 'export default solrQueryParser;\n');
  74. })
  75. },
  76. sqlStatementsParser: {
  77. sources: ['sqlStatementsParser.jison'],
  78. target: 'sqlStatementsParser.jison',
  79. outputFolder: 'desktop/core/src/desktop/js/parse/',
  80. afterParse: contents =>
  81. new Promise(resolve => {
  82. resolve(
  83. LICENSE +
  84. contents.replace(
  85. 'parse: function parse',
  86. SQL_STATEMENTS_PARSER_JSDOC + 'parse: function parse'
  87. ) +
  88. 'export default sqlStatementsParser;\n'
  89. );
  90. })
  91. }
  92. };
  93. const readFile = path =>
  94. new Promise((resolve, reject) => {
  95. fs.readFile(path, (err, buf) => {
  96. if (err) {
  97. reject();
  98. }
  99. resolve(buf.toString());
  100. });
  101. });
  102. const writeFile = (path, contents) =>
  103. new Promise((resolve, reject) => {
  104. fs.writeFile(path, contents, err => {
  105. if (err) {
  106. reject();
  107. }
  108. resolve();
  109. });
  110. });
  111. const deleteFile = path => {
  112. fs.unlinkSync(path);
  113. };
  114. const execCmd = cmd =>
  115. new Promise((resolve, reject) => {
  116. exec(cmd, (err, stdout, stderr) => {
  117. if (err) {
  118. reject('stderr:\n' + stderr + '\n\nstdout:\n' + stdout);
  119. }
  120. resolve(stdout);
  121. });
  122. });
  123. const generateParser = parserName =>
  124. new Promise((resolve, reject) => {
  125. const parserConfig = parserDefinitions[parserName];
  126. const concatPromise = new Promise((resolve, reject) => {
  127. if (parserConfig.sources.length > 1 && parserConfig.target) {
  128. console.log('Concatenating files...');
  129. const promises = parserConfig.sources.map(fileName => readFile(JISON_FOLDER + fileName));
  130. Promise.all(promises)
  131. .then(contents => {
  132. writeFile(JISON_FOLDER + parserConfig.target, contents.join('')).then(() => {
  133. resolve(JISON_FOLDER + parserConfig.target);
  134. });
  135. })
  136. .catch(reject);
  137. } else if (parserConfig.sources.length === 1) {
  138. resolve(JISON_FOLDER + parserConfig.sources[0]);
  139. } else {
  140. reject('No jison source specified');
  141. }
  142. });
  143. concatPromise
  144. .then(targetPath => {
  145. let jisonCommand = 'jison ' + targetPath;
  146. if (parserConfig.lexer) {
  147. jisonCommand += ' ' + JISON_FOLDER + parserConfig.lexer;
  148. }
  149. jisonCommand += ' -m js';
  150. console.log('Generating parser...');
  151. execCmd(jisonCommand)
  152. .then(stdout => {
  153. if (/\S/.test(stdout)) {
  154. console.log('got output for: ' + jisonCommand);
  155. console.log(stdout);
  156. }
  157. if (parserConfig.sources.length > 1) {
  158. deleteFile(targetPath); // Remove concatenated file
  159. }
  160. console.log('Adjusting JS...');
  161. const generatedJsFileName = parserConfig.target.replace('.jison', '.js');
  162. readFile(generatedJsFileName)
  163. .then(contents => {
  164. parserConfig
  165. .afterParse(contents)
  166. .then(finalContents => {
  167. writeFile(parserConfig.outputFolder + generatedJsFileName, finalContents)
  168. .then(() => {
  169. deleteFile(generatedJsFileName);
  170. console.log('Done!\n');
  171. resolve();
  172. })
  173. .catch(reject);
  174. })
  175. .catch(reject);
  176. })
  177. .catch(reject);
  178. })
  179. .catch(reject);
  180. })
  181. .catch(reject);
  182. });
  183. let parsersToGenerate = [];
  184. const invalid = [];
  185. let all = false;
  186. let appFound = false;
  187. const listDir = folder =>
  188. new Promise(resolve => {
  189. fs.readdir(folder, (err, files) => {
  190. resolve(files);
  191. });
  192. });
  193. const findParser = (fileIndex, folder, sharedFiles, autocomplete) => {
  194. const prefix = autocomplete ? 'autocomplete' : 'syntax';
  195. if (fileIndex[prefix + '_header.jison'] && fileIndex[prefix + '_footer.jison']) {
  196. const parserName = folder + (autocomplete ? 'AutocompleteParser' : 'SyntaxParser');
  197. const parserDefinition = {
  198. sources: ['sql/' + folder + '/' + prefix + '_header.jison'].concat(sharedFiles),
  199. lexer: 'sql/' + folder + '/sql.jisonlex',
  200. target: 'sql/' + folder + '/' + parserName + '.jison',
  201. outputFolder: 'desktop/core/src/desktop/js/parse/sql/' + folder + '/',
  202. afterParse: contents =>
  203. new Promise(resolve => {
  204. resolve(
  205. LICENSE +
  206. contents
  207. .replace(
  208. 'var ' + parserName + ' = ',
  209. "import SqlParseSupport from 'parse/sql/" +
  210. folder +
  211. "/sqlParseSupport';\n\nvar " +
  212. parserName +
  213. ' = '
  214. )
  215. .replace(
  216. 'loc: yyloc,',
  217. "loc: lexer.yylloc, ruleId: stack.slice(stack.length - 2, stack.length).join(''),"
  218. ) +
  219. '\nexport default ' +
  220. parserName +
  221. ';\n'
  222. );
  223. })
  224. };
  225. parserDefinition.sources.push('sql/' + folder + '/' + prefix + '_footer.jison');
  226. parserDefinitions[parserName] = parserDefinition;
  227. } else {
  228. console.log(
  229. "Warn: Could not find '" +
  230. prefix +
  231. "_header.jison' or '" +
  232. prefix +
  233. "_footer.jison' in " +
  234. JISON_FOLDER +
  235. 'sql/' +
  236. folder +
  237. '/'
  238. );
  239. }
  240. };
  241. const identifySqlParsers = () =>
  242. new Promise(resolve => {
  243. listDir(JISON_FOLDER + 'sql').then(files => {
  244. const promises = [];
  245. files.forEach(folder => {
  246. promises.push(
  247. listDir(JISON_FOLDER + 'sql/' + folder).then(jisonFiles => {
  248. const fileIndex = {};
  249. jisonFiles.forEach(jisonFile => {
  250. fileIndex[jisonFile] = true;
  251. });
  252. const sharedFiles = jisonFiles
  253. .filter(jisonFile => jisonFile.indexOf('sql_') !== -1)
  254. .map(jisonFile => 'sql/' + folder + '/' + jisonFile);
  255. if (fileIndex['sql.jisonlex']) {
  256. findParser(fileIndex, folder, sharedFiles, true);
  257. findParser(fileIndex, folder, sharedFiles, false);
  258. } else {
  259. console.log(
  260. "Warn: Could not find 'sql.jisonlex' in " + JISON_FOLDER + 'sql/' + folder + '/'
  261. );
  262. }
  263. })
  264. );
  265. });
  266. Promise.all(promises).then(resolve);
  267. });
  268. });
  269. identifySqlParsers().then(() => {
  270. process.argv.forEach(arg => {
  271. if (appFound) {
  272. if (arg === 'all') {
  273. all = true;
  274. } else if (parserDefinitions[arg]) {
  275. parsersToGenerate.push(arg);
  276. } else {
  277. let prefixFound = false;
  278. Object.keys(parserDefinitions).forEach(key => {
  279. if (key.indexOf(arg) === 0) {
  280. prefixFound = true;
  281. parsersToGenerate.push(key);
  282. }
  283. });
  284. if (!prefixFound) {
  285. invalid.push(arg);
  286. }
  287. }
  288. } else if (arg.indexOf('generateParsers.js') !== -1) {
  289. appFound = true;
  290. }
  291. });
  292. if (all) {
  293. parsersToGenerate = Object.keys(parserDefinitions);
  294. }
  295. if (invalid.length) {
  296. console.log("No parser config found for: '" + invalid.join("', '") + "'");
  297. console.log(
  298. '\nPossible options are:\n ' +
  299. ['all'].concat(Object.keys(parserDefinitions)).join('\n ') +
  300. '\n'
  301. );
  302. return;
  303. }
  304. const parserCount = parsersToGenerate.length;
  305. let idx = 0;
  306. const generateRecursive = () => {
  307. idx++;
  308. if (parsersToGenerate.length) {
  309. const parserName = parsersToGenerate.pop();
  310. if (parserCount > 1) {
  311. console.log("Generating '" + parserName + "' (" + idx + '/' + parserCount + ')...');
  312. } else {
  313. console.log("Generating '" + parserName + "'...");
  314. }
  315. generateParser(parserName)
  316. .then(generateRecursive)
  317. .catch(error => {
  318. console.log(error);
  319. console.log('FAIL!');
  320. });
  321. }
  322. };
  323. generateRecursive();
  324. });