Best JavaScript code snippet using wpt
index.ts
Source:index.ts
1import lexer from '../lexer/index';2import { error } from '../utils';3import { Sentences, Block } from './grammar';4import { AstNode, Grammar, Symbol } from './types';5import { CharMap } from '../lexer/charMap';6import { isTokenEq } from '../lexer/matchUtils';7export default function parser(input: string) {8 let index = 0;9 const tokens = lexer(input);10 console.log('lexer tokens', tokens);11 const stack: Symbol[] = [Block, Sentences];12 const astArray: AstNode[] = [];13 function isEof() {14 return index >= tokens.length;15 }16 function match(gram: Grammar) {17 return gram.firstSet.some(token => {18 if (token.type === CharMap.Eof.type) return isEof();19 return isTokenEq(tokens[index], token)20 });21 }22 function followMatch(gram: Grammar) {23 return gram.hasEpsilon && gram.followSet.some(token => {24 if (token.type === CharMap.Eof.type) return isEof();25 return isTokenEq(tokens[index], token)26 });27 }28 function isTerminal(gram: Grammar) {29 return !gram.bnf || !gram.bnf.length;30 }31 function isStop(gram: Grammar) {32 return !!gram.isStop;33 }34 function processTerminal(gram: Grammar) {35 const { astCreator } = gram;36 if(astCreator) {37 const node = astCreator(astArray);38 node && astArray.push(node);39 }40 }41 42 while(stack.length) {43 // console.log('stack now', stack);44 // console.log('ast arr now', astArray);45 const topItem = stack[0](tokens[index]); // æ 顶46 if(isStop(topItem)) {47 topItem.astCreator!(astArray); // éå°stopï¼å°astStack转æ¢ä¸ºæ ç»æ48 stack.splice(0, 1); // å¼¹åºExpStop49 }else if(match(topItem)) {50 // å½åtoken matchä¸ä¸ªç¬¦å·51 // åºæ ä¸ä¸ªç»ç»ç¬¦52 // å
¥æ å¤ä¸ªå½åç»ç»ç¬¦ä¸çbnf53 stack.splice(0, 1, ...topItem.bnf);54 if(isTerminal(topItem)) {55 // å¦æå½åæ 顶æ¯ç»ç»ç¬¦56 processTerminal(topItem); // astStackä¸pushä¸ä¸ªastCreatorè¿è¡åç对象57 index++;58 }59 } else if(followMatch(topItem)) {60 stack.splice(0, 1);61 } else {62 // è¯æ³é误ï¼æ¯å¦å·¦å³æ¬å·ä¸å¹é
ï¼63 console.log('curr err bnfs', stack);64 console.log('curr astArray ', astArray);65 console.log('curr err token ', tokens[index]);66 67 error('syntax', tokens[index] && tokens[index].lexeme);68 }69 }70 return astArray;...
astCreator.ts
Source:astCreator.ts
1import { AstNode } from './../types';2type Processor = (astArray: AstNode[]) => any;3function createStop(processor: Processor) {4 return () => ({5 isStop: true,6 astCreator(astArray: AstNode[]) {7 return processor(astArray);8 }9 });10}11// å¨åéçä½ç½®æ¾ç½®Stopæ建AST12// å½astArrayé¿åº¦ä¸º3æ¶ï¼åä¸æ 1ä¸ºæ ¹èç¹ï¼ä¸æ 0ä¸2ä½ä¸ºå·¦å³èç¹13export const ExpStop = createStop((astArray: AstNode[]) => {14 const centerIndex = astArray.length - 2;15 astArray.splice(centerIndex - 1, 3, {16 ...astArray[centerIndex],17 leftNode: astArray[centerIndex - 1],18 rightNode: astArray[centerIndex + 1],19 })20});21const braceStartPosStack: number[] = [];22// æ建blockè¯å¥åºåæ°ç»23export const BraceStop = createStop((astArray) => {24 const startStackPos = braceStartPosStack.pop()!;25 console.log('startStackPos', startStackPos, astArray);26 astArray.splice(startStackPos, astArray.length - startStackPos, {27 opt: 'block_body',28 value: astArray.slice(startStackPos, astArray.length)29 });30});31export const leftBraceAstCreator = (astArray: AstNode[]) => {32 braceStartPosStack.push(astArray.length);...
ASTArrayConstructorProto.ts
Source:ASTArrayConstructorProto.ts
1// Original file: src/protos/zetasql/parser/parse_tree.proto2import type { ASTExpressionProto as _zetasql_ASTExpressionProto, ASTExpressionProto__Output as _zetasql_ASTExpressionProto__Output } from '../zetasql/ASTExpressionProto';3import type { ASTArrayTypeProto as _zetasql_ASTArrayTypeProto, ASTArrayTypeProto__Output as _zetasql_ASTArrayTypeProto__Output } from '../zetasql/ASTArrayTypeProto';4import type { AnyASTExpressionProto as _zetasql_AnyASTExpressionProto, AnyASTExpressionProto__Output as _zetasql_AnyASTExpressionProto__Output } from '../zetasql/AnyASTExpressionProto';5export interface ASTArrayConstructorProto {6 'parent'?: (_zetasql_ASTExpressionProto | null);7 'type'?: (_zetasql_ASTArrayTypeProto | null);8 'elements'?: (_zetasql_AnyASTExpressionProto)[];9}10export interface ASTArrayConstructorProto__Output {11 'parent': (_zetasql_ASTExpressionProto__Output | null);12 'type': (_zetasql_ASTArrayTypeProto__Output | null);13 'elements': (_zetasql_AnyASTExpressionProto__Output)[];...
Using AI Code Generation
1var fs = require('fs');2var wptree = require('./wptree.js');3var code = fs.readFileSync('./test.js', 'utf-8');4var tree = new wptree(code);5var astArray = tree.astArray();6console.log(astArray);7var code2 = fs.readFileSync('./test2.js', 'utf-8');8var tree2 = new wptree(code2);9var astArray2 = tree2.astArray();10console.log(astArray2);11var result = tree.compare(tree2);12console.log(result);13var fs = require('fs');14var wptree = require('./wptree.js');15var code = fs.readFileSync('./test.js', 'utf-8');16var tree = new wptree(code);17var astArray = tree.astArray();18console.log(astArray);19var code2 = fs.readFileSync('./test2.js', 'utf-8');20var tree2 = new wptree(code2);21var astArray2 = tree2.astArray();22console.log(astArray2);23var result = tree.compare(tree2);24console.log(result);25var fs = require('fs');26var wptree = require('./wptree.js');27var code = fs.readFileSync('./test.js', 'utf-8');28var tree = new wptree(code);29var astArray = tree.astArray();30console.log(astArray);31var code2 = fs.readFileSync('./test3.js', 'utf-8');32var tree2 = new wptree(code2);33var astArray2 = tree2.astArray();34console.log(astArray2);35var result = tree.compare(tree2);36console.log(result);37var fs = require('fs');38var wptree = require('./wptree.js');39var code = fs.readFileSync('./test.js', 'utf-8');40var tree = new wptree(code);41var astArray = tree.astArray();42console.log(astArray);43var code2 = fs.readFileSync('./test4.js', 'utf-8');44var tree2 = new wptree(code2);45var astArray2 = tree2.astArray();46console.log(astArray2);47var result = tree.compare(tree2);48console.log(result);
Using AI Code Generation
1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org','A.aaabbbccc111222333444555666777888999000');3var result = wpt.runTest(url, { runs: 3, video: true, location: 'Dulles_IE9' }, function(err, data) {4 console.log(data);5 wpt.getTestResults(data.data.testId, function(err, data) {6 console.log(data);7 });8});
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