Compiler.java

import java.util.*;
import java.io.*;

class Compiler {
    public static void main(String args[]) {
        try {
            // defining variables and arrays
            double version = 1.0;
            boolean inmain;
            String[][] functions;
            variables[] vars;
            int fun_x = 0;
            int fun_y = 0;
            int var_x = 0;

            // if user enters help command
            if (args[0].equals("--help")) {
                System.out.println("java Compiler.java [Shock_File_Name] : runs Shock files");
                System.out.println("java Compiler.java --help : list of commands");
                System.out.println("java Compiler.java --version : find current Shock version");
                System.exit(0);
            // if user enters version command
            } else if (args[0].equals("--version")) {
                System.out.print("Shock ");
                System.out.print(version);
                System.out.println(" Beta");
                System.exit(0);
            }
            // if neither, then the user must have entered the file they want compiled
            // initializing shock file and Reader
            String file_name = args[0];
            File file = new File(file_name);
            Scanner Reader = new Scanner(file);

            // initializing data (String that holds each line of Shock code)
            // initializing line (integer that keeps track of the line the reader is on)
            int line = 0;
            String data = null;

            do {

                if (Reader.hasNext() == false) {
                    break;
                }

                do {
                    line++;
                    data = read(data, line, Reader);
                } while (data.equals(""));

                // initializing array to hold a split version of the line currently being analized
                String[] data_list = data.split(" ");

                // code for if the first line of code is an import statement
                if (data_list[0] == "import") {

                // code for if the first line of code is the initialization of a variable or a function
                } else if (data_list[0] == "int" || data_list[0] == "float" || data_list[0] == "String" || data_list[0] == "Boolean") {
                    // check if it is a function
                    List<String> Data_List = Arrays.asList(data_list);                   
                    if (Data_List.contains("{")) {
                        // the code will save the name of the function and everything inside it to a 2d array called functions
                        String[] data2 = data_list[1].split("(");
                        functions[fun_x][fun_y] = data2[0];
                        fun_y++;
                        data = "{";
                        while (data != "}") {
                            if (data != "{") {
                                functions[fun_x][fun_y] = data;
                                fun_y++;
                            }
                            data = read(data, line, Reader);
                            line++;
                        }
                        fun_x++;
                    // if it is a variable
                    } else {
                        if (data_list.length > 3 && data_list[2] == "=") {

                            switch (data_list[0]) {
                                case "int":
                                    vars[var_x] = new integer();
                                    vars[var_x].name = data_list[1];
                                    vars[var_x].value = Integer.parseInt(data_list[3]);
                                    break;
                                case "String":
                                    vars[var_x] = new string();
                                    vars[var_x].name = data_list[1];
                                    vars[var_x].value = data_list[3];
                                    break;
                                case "float":
                                    vars[var_x] = new Float();
                                    vars[var_x].name = data_list[1];
                                    vars[var_x].value = Float.parseFloat(data_list[3]);
                                    break;
                                case "bool":
                                    vars[var_x] = new Bool();
                                    vars[var_x].name = data_list[1];
                                    vars[var_x].value = Boolean.parseBoolean(data_list[3]);
                                    break;
                            }
                        } else {
                            error(line, data, "expected '='");
                        }
                    }
                }
            } while(Reader.hasNextLine());

            Reader.close();
        } catch (Error e) {
            //System.out.println(e);
        } catch (Exception E) {
            //System.out.println(E);
        }
    }

    public static String read(String data, int line, Scanner Reader) {
        data = Reader.nextLine();
        return data;
    }

    public static void error(int line, String data, String reason) {
        System.out.print("Error: on line ");
        System.out.println(line);
        System.out.print("   ");
        System.out.println(data);
        System.out.print("\n");
        System.out.println(reason);
        System.exit(0);
    }
}