carbonara.js

/*

Copyright 2019 Marc Espín Sanz

Check LICENSE.md

*/

const execute = input => {
  let data = {
    arrayed: input.code
      .split (
        /\s|(\()([\w\s+!?="`[<>,\/*':&.`$;_-{}]+)(\))|\s|(\<)([\w\s!?="`[,\/*()':&.;_-{}]+)(\>)|\s|(\()([\w\s!?="<>`[,'+:&.;_-{}]+)(\))\s|(\B\$)(\w+)|\s(\/\*)([\w\s!?()="<>`[':.;_-{}]+)(\*\/)|("[\w\s!?():=`.;_-{}]+")\s|(%%)([\w\s!?()="+<>`[\/'*,$.;_-{}]+)(%%)|("[\w\s!?()='.`;_-{}]+")/g
      ),
    current_keyword: null,
    output: '',
    compression: input.compression == true ? true : false,
    errorsOnPlayground:input.showErrorsOnPlayground,
    storedFunctions: [],
    storedVariables: [],
    storedDefinitions: [],
  };
  data.arrayed = data.arrayed.filter (
  Boolean
); //Remove undefined, empty strings and null from the input array
  //console.log (data.arrayed);
  const getKeyWord = i => {
    return data.arrayed[i];
  };
  const error = message => {
    if(data.errorsOnPlayground) data.output += `\n/* ${message}*/\n`;
    console.error (`Carbonara Error =>\n ${message}`);
  };
  const isWhat = text => {
    if (text == undefined) return false;
    let _is;
    for (var i = 0; i < data.storedFunctions.length; i++) {
      if (data.storedFunctions[i] == text) _is = 'function';
    }
    if (_is != undefined) return _is;
    for (var i = 0; i < data.storedVariables.length; i++) {
      if (data.storedVariables[i].name == text) _is = 'variable';
    }
    if (_is != undefined) return _is;
    for (var i = 0; i < data.storedDefinitions.length; i++) {
      if (data.storedDefinitions[i].name == text) _is = 'definition';
    }
    return _is;
  };
  const getVariable = text => {
    let varObj;
    for (var i = 0; i < data.storedVariables.length; i++) {
      if (data.storedVariables[i].name == text)
        varObj = data.storedVariables[i];
    }
    return varObj;
  };
  const getVariableValueType = value => {
    if(typeof value =="object" || value =="null") return null
    if(value =="undefined" ) return undefined;
    if(isNaN(Number (value))==false) return "number";
    if(value === "true" || value === "false" ) return "boolean";
    return "string";
  }
  const output = _compression => {
    let arguments_length = 0;
    let openBrackets = 1;
    for (let i = 0; i < data.arrayed.length; i++) {
      data.current_keyword = getKeyWord (i);
      switch (data.current_keyword) {
        case 'define':
        case 'var':
        case 'let':
        case 'const':
          if (
            (getKeyWord (i + 2) == '=' && data.current_keyword == 'final') ||
            (data.current_keyword != 'final' &&
              data.current_keyword != 'define')
          ) {
            arguments_length = 3;
            if(getKeyWord(i+3) =="("){
              data.storedVariables.push ({
                name: getKeyWord (i + 1),
                type: data.current_keyword,
                valueType: undefined,
                value: "`"+getKeyWord (i + 4)+"`"
              });
              arguments_length = 0;
              data.output += `${'   '.repeat (openBrackets)} ${data.current_keyword} ${getKeyWord (i + 1)} = ${"`"+getKeyWord (i + 4)+"`"}; ${data.compression == true ? '' : '\n'}`;
              i += 6;
            }else{

              data.storedVariables.push ({
                name: getKeyWord (i + 1),
                type: data.current_keyword,
                valueType: getKeyWord (i + 4)=="<"?getKeyWord (i + 5)=="value"?getVariableValueType(getKeyWord (i + 3)):getKeyWord (i + 5):undefined,
                value: getKeyWord (i + 3)
              });
                arguments_length = 0;
              data.output += `${'   '.repeat (openBrackets)} ${data.current_keyword} ${getKeyWord (i + 1)} = ${getKeyWord (i + 3)}; ${data.compression == true ? '' : '\n'}`;
              i += getKeyWord (i + 4)!="<"? 3:6;
            }
          }
          if (data.current_keyword == 'define' && getKeyWord (i + 2) == '=') {
            arguments_length = 4;
            if(getKeyWord (i + 3) != '<' && getKeyWord (i + 5) != '>'){
                 error (
                    `Expected " < " and " > " on defining " ${getKeyWord(i+1)} " \n Example: ${data.current_keyword} Example : < /*Hello*/>`
                );
             }

            data.storedDefinitions.push ({
              name: getKeyWord (i + 1),
              value: getKeyWord (i + 4),
            });
            arguments_length = 0;
            i += 5;
          } else if(data.current_variable=="define"){
            error (
              `Expected " = " on defining " ${getKeyWord(i+1)} " \n Example: ${data.current_keyword} Example : < /*Hello*/>`
            );
          }
          break;
        case 'function':
          const name = getKeyWord (i + 1);
          data.storedFunctions.push (name);
          data.output += `${'   '.repeat (openBrackets)} let  ${name} = ( ${getKeyWord (i + 3)} ) => { ${data.compression == true ? '' : '\n'}`;
          i += 5;
          openBrackets++;
          break;
        case 'if':
          data.output += `${'   '.repeat (openBrackets)} if(${getKeyWord (i + 2)}){\n`;
          i += 3;
          openBrackets++;
          break;
        case '$':
          if (isWhat (getKeyWord (i + 1)) == 'definition') {
            for (var a = 0; a < data.storedDefinitions.length; a++) {
              if (data.storedDefinitions[a].name == getKeyWord (i + 1)) {
                data.output += `${data.storedDefinitions[a].value}${getKeyWord (i + 2) !="$"? "\n":""}`;
                i+=1
              }
            }
          }
          break;
        case '}':
          data.output += `${'   '.repeat (openBrackets)}} ${data.compression == true ? '' : '\n'}`;
          openBrackets--;
          break;
        case '%%':
          data.output += getKeyWord (i + 1) + '\n';
          i += 2;
          break;
        case 'print':
          data.output += `${'   '.repeat (openBrackets)} console.log(${getKeyWord (i + 1)}); ${data.compression == true ? '' : '\n'}`;
          i++;
          break;
        default:
          if (isWhat (data.current_keyword) == 'function') {
            data.output += `${'   '.repeat (openBrackets)} ${data.current_keyword}(${getKeyWord (i + 2)}); ${data.compression == true ? '' : '\n'}`;
            i += 3;
          }else if(isWhat (data.current_keyword) == 'variable') {
            //Redefine the value of the variable
            if (getKeyWord (i + 1) == '=') {
              const current_variable =  getVariable (data.current_keyword);
              if (current_variable.type == 'const') {
                error (
                  `You cannot modify the value of ${getKeyWord (i)}, once it's defined.`
                );
              }else {
                const current_type = getVariableValueType(getKeyWord (i + 2) );
                if(current_variable.valueType == current_type || current_variable.valueType == undefined){
                  data.output += `${'   '.repeat (openBrackets)} ${data.current_keyword} = ${getKeyWord (i + 2)}; ${data.compression == true ? '' : '\n'}`;
                }else{
                  error(`Expected <${current_variable.valueType}> as a value type, but found <${current_type}> while modifying value on <${data.current_keyword}>.`)
                }
              }
            }else{
              error (
                `Expected "=" at redefining ${getKeyWord (i)}.`
              );
            }
              i += 2;
          }else if(arguments_length===0){
            console.log(getKeyWord(i))
            data.output += getKeyWord(i);
          }
      }
    }
    openBrackets = data.compression == true ? 1 : openBrackets;
    if (input.consoleOutput === true) {
      console.log (`\n   <-- Code Output --> \n\n ${data.output} `);
    }
    if (openBrackets > 1) {
      error ('Expected }.');
    }
    if (openBrackets < 1) {
      error ('Found too many }. ');
    }
    console.log(input)
    if (input.execute) eval (data.output);
    return data.output;
  };
  return output ();
};
//remove above code on production
const example = `
define callTest = < test() >
var var1 = "This is var1"
let var2 = "This is var2" <string>/*Only allows strings */
const var3 = "This is var3"

var bool = true <boolean> /*Only allows true or false */
var2 = "Var2"

print var1,"-",var2,"-",var3

function test( )
	if(true===true && 2 == 2)
		print "hola"
	}
}
$callTest
%%
console.log("JavaScript in CarbonaraScript!!!");
%%
let html = (<p>Test</p>)
`;
const result = execute ({
  code: example,
  compression: false,
  consoleOutput: true,
  execute: true,
  showErrorsOnPlayground:false
});

/*

define e = <console>
define ee = <.>
define eee = <log>
define eeee = <(>
define eeeee = <"oh no">
define eeeeee = <)>
define eeeeeee = <;>
define eeeeeeee = < if >

$e $ee $eee $eeee $eeeee $eeeeee $eeeeeee


function hola() {
 print "hola"
  %%

   console.log("hola");

   %%
}


var result = "test"
let i = 5


if(result === "test")
	for(i=0;i<[0,1].length;i++){
    	print i
  	}
}

if(result !== true)
    %%console.log(result_text)%%
}




*/