$(function() { $("#run").click(run); $("#showvars").click(function() { console.log(JSON.stringify(vars)); }); $("#highlight").click(highlight); $("#clear").click(function() { var clear = confirm("Are you sure you want to clear everything?"); if (clear) { $("#textarea").html(""); $("#textarea").focus(); } }); $("#textarea").keyup(function() { clearTimeout(timer); timer = setTimeout(highlight, 2000); }); $("#textarea").keydown(function() { clearTimeout(timer); }); }); function run() { var vars = {}; $("#out").html(""); var val = $("#textarea").text(); var lines = val.split(";"); if (lines.length == 1) { error("Missing semicolon - line 1"); return; } for (var i = 0; i < lines.length-1; i++) { lines[i] = lines[i].trim(); var tokens = lines[i].split(" "); if (tokens[0] == "svar") { if (tokens[2]) { error("Unknown Token: \"" + tokens[2] + "\" - line " + (i+1) + "
"); break; } if (tokens[1].match(/[0-9]/) != null) { error("Variable names can't contain numbers (" + tokens[1] + ") - line " + (i+1) + "
"); break; } if (tokens[1].match(/\W/) != null) { error("Variable names can't contain special characters (" + tokens[1] + ") - line " + (i+1) + "
"); break; } vars[tokens[1]] = " "; } else if (tokens[0] == "print") { lines[i] = lines[i] .replace(/^print /, ""); if (lines[i].indexOf("\"") == 0) { print(lines[i].replace(/\"/g,"")); return; } lines[i] = lines[i] .replace(/[A-z]+/g, function(x) { return "vars['" + x + "']"; }); try { eval("print(" + lines[i] + "+'
')"); } catch(err) { error("An error occured while trying to print \"" + lines.slice(5,lines[i].length) + "\":" + err + " - line " + (i+1)); } } else { if (lines[i].match(/(\S=|=\S)/)) { error("There must be a space on both sides of the equals sign - line " + (i+1) + "
"); break; } if (vars[tokens[0]]) { if (!tokens[2]) { error("No value assigned - line " + (i+1) + "
" + tokens[1]); break; } if (tokens[1] != "=") { error("Unknown Token: \"" + tokens[1] + "\" - line " + (i+1) + " (Expected \"=\")
"); } vars[tokens[0]] = getType(tokens[2]); continue; } error("Variable not declared: \"" + tokens[0] + "\" - line " + (i+1) + "
"); break; } } if ($("#out").text() == "") { $("#out").text("No output."); } function getType(val) { if (val.indexOf("\"") == 0) { val = val.slice(1, val.length-1); } else if (!isNaN(parseFloat(val))) { return parseFloat(val); } else { val = vars[val]; } return val; } } function highlight() { $("#textarea").html( clearHTML($("#textarea").html()) .replace(/(?=\S)=(?=\S)/g, " = ") .replace(/;/g, ";
") .replace(/(\/|\+|\-|\*|;|\=)/g, "$1") .replace(/(svar|print)/g, "$1") .replace(/(".*")/g, "$1") .replace(/([0-9]|\.)/g, "$1") ); } function clearHTML(html) { return $("

").html(html.replace(/<(?!br\s*\/?)[^>]+>/g, "")).text(); } function error(txt) { $("#out").append("" + txt + ""); } function print(txt) { $("#out").append(txt); }

SoloScript (Custom Interpreter)