X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Findex.js;h=15e18628b9bd679b10e00ed1215069f029b1dfe2;hb=d4dfd2e99f564ca880d40172687986ea3ce757f0;hp=f5f76745b6e30a286c0f4ddab0b259fdadf9961f;hpb=c13ca4ff34a66932ff73641a6da0418f1c4bc56d;p=clo diff --git a/src/index.js b/src/index.js index f5f7674..15e1862 100644 --- a/src/index.js +++ b/src/index.js @@ -22,19 +22,185 @@ var __importStar = (this && this.__importStar) || function (mod) { __setModuleDefault(result, mod); return result; }; -var __importDefault = (this && this.__importDefault) || function (mod) { - return (mod && mod.__esModule) ? mod : { "default": mod }; -}; Object.defineProperty(exports, "__esModule", { value: true }); +exports.tkTreeToSExp = void 0; var fs = require('fs'); -const js_tokens_1 = __importDefault(require("js-tokens")); const util = __importStar(require("util")); +const p = __importStar(require("typescript-parsec")); +/** + * + * # REPRESENTATION + */ +/** + * convert a `tkTree` AST to S-expr string + * @param t the `tkTree` + * @returns S-expr String + */ +function tkTreeToSExp(t) { + var str = ""; + if (Array.isArray(t)) { + let strArray = t.map((x) => tkTreeToSExp(x)); + str = "(" + strArray.join(" ") + ")"; + } + else { + if (t === undefined) { + str = "%undefined"; + } + else { + str = t; + } + } + return str; +} +exports.tkTreeToSExp = tkTreeToSExp; +/**inspect the inner of the representation. */ let repr = (x) => { return util.inspect(x, { depth: null }); }; -const tokens = Array.from((0, js_tokens_1.default)(` -import foo from\t 'bar'; -import * as util from 'util'; +var TokenKind; +(function (TokenKind) { + TokenKind[TokenKind["Seperator"] = 0] = "Seperator"; + TokenKind[TokenKind["Semicolon"] = 1] = "Semicolon"; + TokenKind[TokenKind["Number"] = 2] = "Number"; + TokenKind[TokenKind["Op"] = 3] = "Op"; + TokenKind[TokenKind["ExprMark"] = 4] = "ExprMark"; + TokenKind[TokenKind["ExcapeAt"] = 5] = "ExcapeAt"; + TokenKind[TokenKind["Paren"] = 6] = "Paren"; + TokenKind[TokenKind["SpaceNL"] = 7] = "SpaceNL"; + TokenKind[TokenKind["Id"] = 8] = "Id"; + TokenKind[TokenKind["Str"] = 9] = "Str"; + TokenKind[TokenKind["Comment"] = 10] = "Comment"; +})(TokenKind || (TokenKind = {})); +/** + * Parsing + */ +const lexer = p.buildLexer([ + [true, /^\d+(\.\d+)?/g, TokenKind.Number], + [true, /^\\\@/g, TokenKind.ExcapeAt], + [true, /^\/\*([^/]|\/[^*])*\*\//g, TokenKind.Comment], + [true, /^\;/g, TokenKind.Semicolon], + [true, /^[-][-][-]/g, TokenKind.Seperator], + [true, /^[\+\-\*\/\&\|\!\^\<\>\~\=\?]+/g, TokenKind.Op], + [true, /^\@/g, TokenKind.ExprMark], + [true, /^[()\[\]{}]/g, TokenKind.Paren], + [true, /^["]([\"]|[\\].)*["]/g, TokenKind.Str], + [true, /^[']([\']|[\\].)*[']/g, TokenKind.Str], + [true, /^[()\[\]{}]/g, TokenKind.Paren], + [true, /^[^\/\\\@\s\n\t\r;]+/g, TokenKind.Id], + [true, /^(\s|\n|\r|\t)+/g, TokenKind.SpaceNL], +]); +/** + * + * # TEST + */ +const inputTxt = `import a as b; /*bacourt*/ +/* ba choir +ipsum lorem*/ + +import you as john; +--- +臺中市\\\@ -花$非花,霧\\{非霧 。{{foo();}}下 -一句`)); -console.log("RESULT=" + repr(tokens)); +公園 +@1+2==3; + +console.log("122");@ + +山頂 +`; +const PROG = p.rule(); +const SEGMENT = p.rule(); +const IMPORT = p.rule(); +const IMPORTS = p.rule(); +const SEMICOLON = p.rule(); +const EXCAPE_AT = p.rule(); +const NOT_AT_TEXT = p.rule(); +const CONTENT = p.rule(); +let doubleMinus = { type: 'Punctuator', value: '--' }; +let doubleMinus2 = p.str('--'); +const TERM = p.rule(); +function applySegment(input) { + let unpackedInnerExprs = input[1].map((x) => { return x.text; }); + return ["%exprs", unpackedInnerExprs]; +} +function applySemiColon(value) { + return value.text; +} +function applyParts(first, second) { + return ["%clo", first, second[1]]; +} +function applyComment(value) { + return [value.text]; +} +function applyImport(input) { + let importTail = input[1].map(x => x.text); + return ["import"].concat(importTail); +} +; +/* +function applyImportComment(input: [Token,Token[], + tkTree, Token]) : tkTree{ + let importTail = input[1].map(x=>x.text); + let comment = [input[3].text]; + return ["import"].concat(importTail).concat(comment); +};*/ +function applyImports(input) { + let resultBody = [input[0]].concat(input[1]); + let resultWrapper = ["%import", resultBody]; + return resultWrapper; +} +; +function applyNotAtText(value) { + if (value.text == "\\\@") { + return '@'; + } + else { + return value.text; + } +} +; +function applyText(input) { + return ["%text", input]; +} +; +function applyContent(input) { + return ["%content", input]; +} +; +function applySpaceNL(value) { + return value.text; +} +/** + * IMPORTEE: Number, Op, Paren, Id, Str, Comment, + */ +let IMPORTEE = p.alt(p.tok(TokenKind.Number), p.tok(TokenKind.Op), p.tok(TokenKind.Paren), p.tok(TokenKind.Id), p.tok(TokenKind.Str), p.tok(TokenKind.SpaceNL), p.tok(TokenKind.Comment)); +let NOT_AT = p.alt(p.tok(TokenKind.Seperator), p.tok(TokenKind.Semicolon), p.tok(TokenKind.Number), p.tok(TokenKind.ExcapeAt), p.tok(TokenKind.Op), p.tok(TokenKind.Paren), p.tok(TokenKind.SpaceNL), p.tok(TokenKind.Id), p.tok(TokenKind.Str), p.tok(TokenKind.Comment)); +/** + * PROG : IMPORTS '---' CONTENT; + */ +PROG.setPattern(p.lrec_sc(IMPORTS, p.seq(p.str('---'), CONTENT), applyParts)); +/** + * NOT_AT_TEXT : NOT_AT + */ +NOT_AT_TEXT.setPattern(p.apply(NOT_AT, applyNotAtText)); +IMPORTS.setPattern(p.apply(p.seq(IMPORT, p.rep(IMPORT)), applyImports)); +/** + * IMPORT : + * 'import' IMPORTEE* SEMICOLON | + * COMMENT | + */ +IMPORT.setPattern(p.alt(p.apply(p.seq(p.str('import'), p.rep_sc(IMPORTEE), SEMICOLON), applyImport), p.apply(p.tok(TokenKind.Comment), applyComment), p.apply(p.tok(TokenKind.SpaceNL), applySpaceNL))); +/** + * SEMICOLON : ';'; + */ +SEMICOLON.setPattern(p.apply(p.tok(TokenKind.Semicolon), applySemiColon)); +/** + * SEGMENT : '@' NOT_AT* '@' | + * (NOT_AT_TEXT | EXCAPE_AT)* + */ +SEGMENT.setPattern(p.alt(p.apply(p.rep_sc(NOT_AT_TEXT), applyText), p.apply(p.seq(p.str('@'), p.rep(NOT_AT), p.str('@')), applySegment))); +/** + * CONTENT : SEGMENT* + */ +CONTENT.setPattern(p.apply(p.rep(SEGMENT), applyContent)); +let tree = p.expectSingleResult(p.expectEOF(PROG.parse(lexer.parse(inputTxt)))); +console.log("RESULT=" + tkTreeToSExp(tree));