eggtended-js

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <base data-ice="baseUrl" href="../../../"> <title data-ice="title">lib/repl/repl.js | eggtended-js</title> <link type="text/css" rel="stylesheet" href="css/style.css"> <link type="text/css" rel="stylesheet" href="css/prettify-tomorrow.css"> <script src="script/prettify/prettify.js"></script> <script src="script/manual.js"></script> <meta name="description" content="An extended version of the Egg programming language"><meta property="og:type" content="website"><meta property="og:url" content="http://my-library.org"><meta property="og:site_name" content="eggtended-js"><meta property="og:title" content="eggtended-js"><meta property="og:image" content="https://i.imgur.com/9N4qe98.png"><meta property="og:description" content="An extended version of the Egg programming language"><meta property="og:author" content="https://github.com/Dibad"><meta property="twitter:card" content="summary"><meta property="twitter:title" content="eggtended-js"><meta property="twitter:description" content="An extended version of the Egg programming language"><meta property="twitter:image" content="https://i.imgur.com/9N4qe98.png"></head> <body class="layout-container" data-ice="rootContainer"> <header> <a href="./">Home</a> <a href="identifiers.html">Reference</a> <a href="source.html">Source</a> <a href="test.html" data-ice="testLink">Test</a> <div class="search-box"> <img src="./image/search.png"> <input class="search-input"> <ul class="search-result"></ul> </div> <a style="position:relative; top:3px;" href="https://github.com/Dibad/eggtended-js"><img width="20px" src="./image/github.png"></a></header> <nav class="navigation" data-ice="nav"><div> <ul> <li data-ice="doc">F<a href="function/index.html#static-function-checkIterable">checkIterable</a></li> <li data-ice="doc">F<a href="function/index.html#static-function-chunk">chunk</a></li> <li data-ice="doc">F<a href="function/index.html#static-function-getValidIndex">getValidIndex</a></li> <li data-ice="doc">F<a href="function/index.html#static-function-ins">ins</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#interp">interp</a>C<a href="class/lib/interp/ast.js~Apply.html">Apply</a></li> <li data-ice="doc">C<a href="class/lib/interp/ast.js~Regex.html">Regex</a></li> <li data-ice="doc">C<a href="class/lib/interp/ast.js~Value.html">Value</a></li> <li data-ice="doc">C<a href="class/lib/interp/ast.js~Word.html">Word</a></li> <li data-ice="doc">C<a href="class/lib/interp/eggvm.js~Eggvm.html">Eggvm</a></li> <li data-ice="doc">C<a href="class/lib/interp/symboltable.js~SymbolTable.html">SymbolTable</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-SpecialForms">SpecialForms</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-TopEnv">TopEnv</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#parser">parser</a>C<a href="class/lib/parser/lexer.js~Lexer.html">Lexer</a></li> <li data-ice="doc">C<a href="class/lib/parser/parse.js~Parser.html">Parser</a></li> <li data-ice="doc">C<a href="class/lib/parser/tokenRegex.js~TokenRegex.html">TokenRegex</a></li> <li data-ice="doc">F<a href="function/index.html#static-function-json2AST">json2AST</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-COMMA">COMMA</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-LP">LP</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-NEWLINE">NEWLINE</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-NUMBER">NUMBER</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-REGEX">REGEX</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-RP">RP</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-STRING">STRING</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-WHITES">WHITES</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-WORD">WORD</a></li> <li data-ice="doc"><a data-ice="dirPath" class="nav-dir-path" href="identifiers.html#repl">repl</a>F<a href="function/index.html#static-function-eggCompleter">eggCompleter</a></li> <li data-ice="doc">F<a href="function/index.html#static-function-getPromptLine">getPromptLine</a></li> <li data-ice="doc">F<a href="function/index.html#static-function-repl">repl</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-BLUE">BLUE</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-DEFAULT">DEFAULT</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-GREEN">GREEN</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-RED">RED</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-YELLOW">YELLOW</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-eggClear">eggClear</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-eggExit">eggExit</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-eggHelp">eggHelp</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-eggInfo">eggInfo</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-eggRun">eggRun</a></li> <li data-ice="doc">V<a href="variable/index.html#static-variable-eggVersion">eggVersion</a></li> </ul> </div> </nav> <div class="content" data-ice="content"><h1 data-ice="title">lib/repl/repl.js</h1> <pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">const process = require("process"); const readline = require("readline"); const { Lexer } = require("../parser/lexer.js"); const { Parser } = require("../parser/parse.js"); const { TopEnv } = require("../interp/environment.js"); const { Eggvm } = require("../interp/eggvm.js"); const extensions = require("./extensions.js"); const colors = require("./colors.js"); const repl = () => { // Create the REPL environment const topEnv = Object.create(TopEnv); const lexer = new Lexer(); const parser = new Parser(); let program = ""; let stack = 0; extensions.eggInfo(); try { const rl = readline.createInterface(process.stdin, process.stdout, line => { return extensions.eggCompleter(line, topEnv); }); rl.setPrompt(extensions.getPromptLine()); rl.prompt(); rl.on("line", line => { program += line + "\n"; // Count the number of LPS (+) or RPS (-) stack = lexer.getParBalance(program); if (stack <= 0) { try { Eggvm.eval(parser.parse(program), topEnv); } catch (err) { console.log(`${colors.RED} Error:: ${err} ${colors.DEFAULT}`); } finally { program = ""; stack = 0; } } rl.setPrompt(extensions.getPromptLine() + "..".repeat(stack)); rl.prompt(); }); rl.on("close", extensions.eggExit); rl.on("SIGINT", () => { console.log( `\n${colors.GREEN}\n--> Expression discarded ${colors.DEFAULT}` ); program = ""; stack = 0; rl.clearLine(process.stdout); rl.setPrompt(extensions.getPromptLine()); rl.prompt(); }); } catch (err) { console.log(err); extensions.eggHelp(); } }; module.exports = { repl }; </code></pre> </div> <footer class="footer"> Generated by <a href="https://esdoc.org">ESDoc(1.1.0)<img src="./image/esdoc-logo-mini-black.png"></a> </footer> <script src="script/search_index.js"></script> <script src="script/search.js"></script> <script src="script/pretty-print.js"></script> <script src="script/inherited-summary.js"></script> <script src="script/test-summary.js"></script> <script src="script/inner-link.js"></script> <script src="script/patch-for-local.js"></script> </body> </html>