1296 lines
55 KiB
Java
1296 lines
55 KiB
Java
import java.io.*;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Stack;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* @author TudbuT
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* @since 04 Mar 2022
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*/
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public class ISBPL {
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private static boolean debug = false;
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public ISBPLDebugger.IPC debuggerIPC = new ISBPLDebugger.IPC();
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ArrayList<ISBPLType> types = new ArrayList<>();
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Stack<HashMap<String, ISBPLCallable>> functionStack = new Stack<>();
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HashMap<Object, ISBPLObject> vars = new HashMap<>();
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ArrayList<String> lastWords = new ArrayList<>(16);
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int exitCode;
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public ISBPL() {
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functionStack.push(new HashMap<>());
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}
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public ISBPLKeyword getKeyword(String word) {
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switch (word) {
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case "native":
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return (idx, words, file, stack) -> {
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idx++;
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addNative(words[idx], stack);
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return idx;
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};
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case "func":
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return (i1, words1, stack1, stack12) -> createFunction(i1, words1, stack12);
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case "def":
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return (idx, words, file, stack) -> {
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idx++;
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Object var = new Object();
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functionStack.peek().put(words[idx], (file1) -> stack.push(vars.get(var)));
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functionStack.peek().put("=" + words[idx], (file1) -> vars.put(var, stack.pop()));
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return idx;
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};
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case "if":
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return (idx, words, file, stack) -> {
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idx++;
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AtomicInteger i = new AtomicInteger(idx);
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ISBPLCallable callable = readBlock(i, words, stack, false);
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if(stack.pop().isTruthy()) {
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callable.call(file);
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}
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return i.get();
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};
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case "while":
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return (idx, words, file, stack) -> {
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idx++;
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AtomicInteger i = new AtomicInteger(idx);
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ISBPLCallable cond = readBlock(i, words, stack, false);
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i.getAndIncrement();
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ISBPLCallable block = readBlock(i, words, stack, false);
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cond.call(file);
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while (stack.pop().isTruthy()) {
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block.call(file);
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cond.call(file);
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}
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return i.get();
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};
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case "stop":
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return (idx, words, file, stack) -> {
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ISBPLObject o = stack.pop();
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o.checkType(getType("int"));
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throw new ISBPLStop((int) o.object);
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};
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case "try":
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return (idx, words, file, stack) -> {
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idx++;
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ISBPLObject array = stack.pop();
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array.checkTypeMulti(getType("array"), getType("string"));
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String[] allowed;
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if(array.type.name.equals("string")) {
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allowed = new String[] { toJavaString(array) };
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}
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else {
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ISBPLObject[] arr = ((ISBPLObject[]) array.object);
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allowed = new String[arr.length];
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for (int i = 0 ; i < arr.length ; i++) {
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allowed[i] = toJavaString(arr[i]);
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}
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}
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AtomicInteger i = new AtomicInteger(idx);
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ISBPLCallable block = readBlock(i, words, stack, false);
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i.getAndIncrement();
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ISBPLCallable catcher = readBlock(i, words, stack, false);
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try {
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block.call(file);
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} catch (ISBPLError error) {
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if (Arrays.asList(allowed).contains(error.type) || allowed.length != 1 && allowed[0].equals("all")) {
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stack.push(toISBPLString(error.type));
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stack.push(toISBPLString(error.message));
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catcher.call(file);
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}
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else {
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throw error;
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}
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}
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return i.get();
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};
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case "do":
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return (idx, words, file, stack) -> {
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idx++;
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AtomicInteger i = new AtomicInteger(idx);
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ISBPLCallable block = readBlock(i, words, stack, false);
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i.getAndIncrement();
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ISBPLCallable catcher = readBlock(i, words, stack, false);
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try {
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block.call(file);
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} finally {
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catcher.call(file);
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}
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return i.get();
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};
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default:
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return null;
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}
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}
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@SuppressWarnings("RedundantCast")
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private void addNative(String name, Stack<ISBPLObject> stack) {
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ISBPLCallable func = null;
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switch (name) {
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case "alen":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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o.checkType(getType("array"));
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stack.push(new ISBPLObject(getType("int"), ((ISBPLObject[]) o.object).length));
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};
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break;
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case "aget":
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func = (File file) -> {
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ISBPLObject i = stack.pop();
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ISBPLObject o = stack.pop();
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i.checkType(getType("int"));
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o.checkType(getType("array"));
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stack.push(((ISBPLObject[]) o.object)[((int) i.object)]);
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};
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break;
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case "aput":
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func = (File file) -> {
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ISBPLObject toPut = stack.pop();
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ISBPLObject i = stack.pop();
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ISBPLObject o = stack.pop();
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i.checkType(getType("int"));
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o.checkType(getType("array"));
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((ISBPLObject[]) o.object)[((int) i.object)] = toPut;
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};
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break;
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case "anew":
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func = (File file) -> {
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ISBPLObject i = stack.pop();
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i.checkType(getType("int"));
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stack.push(new ISBPLObject(getType("array"), new ISBPLObject[((int) i.object)]));
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};
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break;
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case "_array":
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func = (File file) -> {
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ISBPLObject a = stack.pop();
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if(a.type.equals(getType("array")))
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stack.push(a);
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else if(a.object instanceof ISBPLObject[])
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stack.push(new ISBPLObject(getType("array"), a.object));
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else
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typeError(a.type.name, "array");
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};
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break;
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case "_char":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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o.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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stack.push(new ISBPLObject(getType("char"), ((char) o.toLong())));
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};
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break;
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case "_byte":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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o.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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stack.push(new ISBPLObject(getType("byte"), ((byte) o.toLong())));
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};
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break;
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case "_int":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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o.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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stack.push(new ISBPLObject(getType("int"), ((int) o.toLong())));
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};
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break;
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case "_float":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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o.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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stack.push(new ISBPLObject(getType("float"), ((float) o.toDouble())));
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};
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break;
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case "_long":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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o.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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stack.push(new ISBPLObject(getType("long"), o.toLong()));
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};
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break;
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case "_double":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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o.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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stack.push(new ISBPLObject(getType("double"), o.toDouble()));
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};
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break;
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case "ischar":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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stack.push(new ISBPLObject(getType("int"), o.type.equals(getType("char")) ? 1 : 0));
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};
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break;
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case "isbyte":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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stack.push(new ISBPLObject(getType("int"), o.type.equals(getType("byte")) ? 1 : 0));
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};
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break;
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case "isint":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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stack.push(new ISBPLObject(getType("int"), o.type.equals(getType("int")) ? 1 : 0));
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};
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break;
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case "isfloat":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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stack.push(new ISBPLObject(getType("int"), o.type.equals(getType("float")) ? 1 : 0));
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};
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break;
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case "islong":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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stack.push(new ISBPLObject(getType("int"), o.type.equals(getType("long")) ? 1 : 0));
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};
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break;
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case "isdouble":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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stack.push(new ISBPLObject(getType("int"), o.type.equals(getType("double")) ? 1 : 0));
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};
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break;
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case "isarray":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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stack.push(new ISBPLObject(getType("int"), o.type.equals(getType("array")) ? 1 : 0));
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};
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break;
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case "_layer_call":
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func = (File file) -> {
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ISBPLObject i = stack.pop();
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ISBPLObject s = stack.pop();
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i.checkType(getType("int"));
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functionStack.get(functionStack.size() - 1 - ((int) i.object)).get(toJavaString(s)).call(file);
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};
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break;
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case "include":
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func = (File file) -> {
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ISBPLObject s = stack.pop();
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String filepath = toJavaString(s);
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processPath:
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{
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if (filepath.startsWith("/"))
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break processPath;
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if (filepath.startsWith("#")) {
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filepath = System.getenv().getOrDefault("ISBPL_PATH", "/usr/lib/isbpl") + "/" + filepath.substring(1);
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break processPath;
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}
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filepath = file.getParentFile().getAbsolutePath() + "/" + filepath;
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}
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File f = new File(filepath).getAbsoluteFile();
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try {
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interpret(f, readFile(f), stack);
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}
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catch (IOException e) {
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throw new ISBPLError("IO", "Couldn't find file " + filepath + " required by include keyword.");
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}
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};
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break;
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case "putchar":
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func = (File file) -> {
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ISBPLObject c = stack.pop();
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c.checkType(getType("char"));
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System.out.print(((char) c.object));
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};
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break;
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case "eputchar":
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func = (File file) -> {
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ISBPLObject c = stack.pop();
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c.checkType(getType("char"));
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System.err.print(((char) c.object));
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};
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break;
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case "_file":
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func = (File file) -> {
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ISBPLObject s = stack.pop();
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File f = new File(toJavaString(s));
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stack.push(new ISBPLObject(getType("file"), f));
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};
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break;
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case "read":
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func = (File file) -> {
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ISBPLObject end = stack.pop();
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ISBPLObject begin = stack.pop();
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ISBPLObject fileToRead = stack.pop();
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end.checkType(getType("int"));
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begin.checkType(getType("int"));
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fileToRead.checkType(getType("file"));
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try {
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FileInputStream f = new FileInputStream((File) fileToRead.object);
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int b = ((int) begin.object);
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int e = ((int) end.object);
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byte[] bytes = new byte[e - b];
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f.read(bytes, b, e);
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ISBPLObject[] arr = new ISBPLObject[bytes.length];
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for (int i = 0 ; i < arr.length ; i++) {
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arr[i] = new ISBPLObject(getType("byte"), bytes[i]);
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}
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stack.push(new ISBPLObject(getType("array"), arr));
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}
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catch (FileNotFoundException e) {
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throw new ISBPLError("FileNotFound", "File not found.");
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}
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catch (IOException e) {
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throw new ISBPLError("IO", "File couldn't be read from" + (e.getMessage() != null ? ": " + e.getMessage() : "."));
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}
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};
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break;
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case "flength":
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func = (File file) -> {
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ISBPLObject f = stack.pop();
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f.checkType(getType("file"));
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stack.push(new ISBPLObject(getType("int"), ((int) ((File) f.object).length())));
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};
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break;
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case "write":
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func = (File file) -> {
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ISBPLObject content = stack.pop();
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ISBPLObject fileToWrite = stack.pop();
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content.checkType(getType("array"));
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fileToWrite.checkType(getType("file"));
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throw new ISBPLError("NotImplemented", "_file write is not implemented");
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};
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break;
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case "getos":
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func = (File file) -> {
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// TODO: This is not done yet, and it's horrible so far.
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stack.push(toISBPLString("linux"));
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};
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break;
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case "mktype":
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func = (File file) -> {
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ISBPLObject s = stack.pop();
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ISBPLType type = registerType(toJavaString(s));
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stack.push(new ISBPLObject(getType("int"), type.id));
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};
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break;
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case "typename":
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func = (File file) -> {
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ISBPLObject i = stack.pop();
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i.checkType(getType("int"));
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stack.push(toISBPLString(types.get(((int) i.object)).name));
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};
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break;
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case "gettype":
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func = (File file) -> {
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ISBPLObject o = stack.pop();
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stack.push(new ISBPLObject(getType("int"), o.type.id));
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};
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break;
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case "settype":
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func = (File file) -> {
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ISBPLObject i = stack.pop();
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ISBPLObject o = stack.pop();
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i.checkType(getType("int"));
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stack.push(new ISBPLObject(types.get(((int) i.object)), o.object));
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};
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break;
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case "throw":
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func = (File file) -> {
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ISBPLObject message = stack.pop();
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ISBPLObject type = stack.pop();
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String msg = toJavaString(message);
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String t = toJavaString(type);
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throw new ISBPLError(t, msg);
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};
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break;
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case "exit":
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func = (File file) -> {
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ISBPLObject code = stack.pop();
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code.checkType(getType("int"));
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exitCode = ((int) code.object);
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throw new ISBPLStop(0);
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};
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break;
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case "eq":
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func = (File file) -> {
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ISBPLObject o1 = stack.pop();
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ISBPLObject o2 = stack.pop();
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stack.push(new ISBPLObject(getType("int"), o1.equals(o2) ? 1 : 0));
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};
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break;
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case "gt":
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func = (File file) -> {
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ISBPLObject o2 = stack.pop();
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ISBPLObject o1 = stack.pop();
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o1.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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o2.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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stack.push(new ISBPLObject(getType("int"), o1.toDouble() > o2.toDouble() ? 1 : 0));
|
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};
|
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break;
|
|
case "lt":
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func = (File file) -> {
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ISBPLObject o2 = stack.pop();
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ISBPLObject o1 = stack.pop();
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o1.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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o2.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
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stack.push(new ISBPLObject(getType("int"), o1.toDouble() < o2.toDouble() ? 1 : 0));
|
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};
|
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break;
|
|
case "not":
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func = (File file) -> {
|
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stack.push(new ISBPLObject(getType("int"), stack.pop().isTruthy() ? 0 : 1));
|
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};
|
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break;
|
|
case "neg":
|
|
func = (File file) -> {
|
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ISBPLObject o = stack.pop();
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o.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
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stack.push(new ISBPLObject(o.type, o.negative()));
|
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};
|
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break;
|
|
case "or":
|
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func = (File file) -> {
|
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ISBPLObject o2 = stack.pop();
|
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ISBPLObject o1 = stack.pop();
|
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if(o1.isTruthy())
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stack.push(o1);
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else
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stack.push(o2);
|
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};
|
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break;
|
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case "and":
|
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func = (File file) -> {
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ISBPLObject o2 = stack.pop();
|
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ISBPLObject o1 = stack.pop();
|
|
// Pushes either 1 or the failed object
|
|
if (o1.isTruthy()) {
|
|
if (o2.isTruthy())
|
|
stack.push(new ISBPLObject(getType("int"), 1));
|
|
else
|
|
stack.push(o2);
|
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}
|
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else
|
|
stack.push(o1);
|
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};
|
|
break;
|
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case "+":
|
|
func = (File file) -> {
|
|
ISBPLObject o2 = stack.pop();
|
|
ISBPLObject o1 = stack.pop();
|
|
o1.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
o2.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
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Object object1 = o1.object;
|
|
Object object2 = o2.object;
|
|
ISBPLObject r = null;
|
|
if(object1 instanceof Integer && object2 instanceof Integer) {
|
|
r = new ISBPLObject(getType("int"), (int) (Integer) object1 + (int) (Integer) object2);
|
|
}
|
|
if(object1 instanceof Long && object2 instanceof Long) {
|
|
r = new ISBPLObject(getType("long"), (long) (Long) object1 + (long) (Long) object2);
|
|
}
|
|
if(object1 instanceof Character && object2 instanceof Character) {
|
|
r = new ISBPLObject(getType("char"), (char) (Character) object1 + (char) (Character) object2);
|
|
}
|
|
if(object1 instanceof Byte && object2 instanceof Byte) {
|
|
r = new ISBPLObject(getType("byte"), Byte.toUnsignedInt((Byte) object1) + Byte.toUnsignedInt((Byte) object2));
|
|
}
|
|
if(object1 instanceof Float && object2 instanceof Float) {
|
|
r = new ISBPLObject(getType("float"), (float) (Float) object1 + (float) (Float) object2);
|
|
}
|
|
if(object1 instanceof Double && object2 instanceof Double) {
|
|
r = new ISBPLObject(getType("double"), (double) (Double) object1 + (double) (Double) object2);
|
|
}
|
|
if(r != null)
|
|
stack.push(r);
|
|
else
|
|
typeError(o1.type.name, o2.type.name);
|
|
};
|
|
break;
|
|
case "-":
|
|
func = (File file) -> {
|
|
ISBPLObject o2 = stack.pop();
|
|
ISBPLObject o1 = stack.pop();
|
|
o1.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
o2.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
Object object1 = o1.object;
|
|
Object object2 = o2.object;
|
|
ISBPLObject r = null;
|
|
if(object1 instanceof Integer && object2 instanceof Integer) {
|
|
r = new ISBPLObject(getType("int"), (int) (Integer) object1 - (int) (Integer) object2);
|
|
}
|
|
if(object1 instanceof Long && object2 instanceof Long) {
|
|
r = new ISBPLObject(getType("long"), (long) (Long) object1 - (long) (Long) object2);
|
|
}
|
|
if(object1 instanceof Character && object2 instanceof Character) {
|
|
r = new ISBPLObject(getType("char"), (char) (Character) object1 - (char) (Character) object2);
|
|
}
|
|
if(object1 instanceof Byte && object2 instanceof Byte) {
|
|
r = new ISBPLObject(getType("byte"), Byte.toUnsignedInt((Byte) object1) - Byte.toUnsignedInt((Byte) object2));
|
|
}
|
|
if(object1 instanceof Float && object2 instanceof Float) {
|
|
r = new ISBPLObject(getType("float"), (float) (Float) object1 - (float) (Float) object2);
|
|
}
|
|
if(object1 instanceof Double && object2 instanceof Double) {
|
|
r = new ISBPLObject(getType("double"), (double) (Double) object1 - (double) (Double) object2);
|
|
}
|
|
if(r != null)
|
|
stack.push(r);
|
|
else
|
|
typeError(o1.type.name, o2.type.name);
|
|
};
|
|
break;
|
|
case "/":
|
|
func = (File file) -> {
|
|
try {
|
|
ISBPLObject o2 = stack.pop();
|
|
ISBPLObject o1 = stack.pop();
|
|
o1.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
o2.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
Object object1 = o1.object;
|
|
Object object2 = o2.object;
|
|
ISBPLObject r = null;
|
|
if (object1 instanceof Integer && object2 instanceof Integer) {
|
|
r = new ISBPLObject(getType("int"), (int) (Integer) object1 / (int) (Integer) object2);
|
|
}
|
|
if (object1 instanceof Long && object2 instanceof Long) {
|
|
r = new ISBPLObject(getType("long"), (long) (Long) object1 / (long) (Long) object2);
|
|
}
|
|
if (object1 instanceof Character && object2 instanceof Character) {
|
|
r = new ISBPLObject(getType("char"), (char) (Character) object1 / (char) (Character) object2);
|
|
}
|
|
if (object1 instanceof Byte && object2 instanceof Byte) {
|
|
r = new ISBPLObject(getType("byte"), Byte.toUnsignedInt((Byte) object1) / Byte.toUnsignedInt((Byte) object2));
|
|
}
|
|
if (object1 instanceof Float && object2 instanceof Float) {
|
|
r = new ISBPLObject(getType("float"), (float) (Float) object1 / (float) (Float) object2);
|
|
}
|
|
if (object1 instanceof Double && object2 instanceof Double) {
|
|
r = new ISBPLObject(getType("double"), (double) (Double) object1 / (double) (Double) object2);
|
|
}
|
|
if (r != null)
|
|
stack.push(r);
|
|
else
|
|
typeError(o1.type.name, o2.type.name);
|
|
} catch (ArithmeticException ex) {
|
|
throw new ISBPLError("Arithmetic", "Division by 0");
|
|
}
|
|
};
|
|
break;
|
|
case "*":
|
|
func = (File file) -> {
|
|
ISBPLObject o2 = stack.pop();
|
|
ISBPLObject o1 = stack.pop();
|
|
o1.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
o2.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
Object object1 = o1.object;
|
|
Object object2 = o2.object;
|
|
ISBPLObject r = null;
|
|
if(object1 instanceof Integer && object2 instanceof Integer) {
|
|
r = new ISBPLObject(getType("int"), (int) (Integer) object1 * (int) (Integer) object2);
|
|
}
|
|
if(object1 instanceof Long && object2 instanceof Long) {
|
|
r = new ISBPLObject(getType("long"), (long) (Long) object1 * (long) (Long) object2);
|
|
}
|
|
if(object1 instanceof Character && object2 instanceof Character) {
|
|
r = new ISBPLObject(getType("char"), (char) (Character) object1 * (char) (Character) object2);
|
|
}
|
|
if(object1 instanceof Byte && object2 instanceof Byte) {
|
|
r = new ISBPLObject(getType("byte"), Byte.toUnsignedInt((Byte) object1) * Byte.toUnsignedInt((Byte) object2));
|
|
}
|
|
if(object1 instanceof Float && object2 instanceof Float) {
|
|
r = new ISBPLObject(getType("float"), (float) (Float) object1 * (float) (Float) object2);
|
|
}
|
|
if(object1 instanceof Double && object2 instanceof Double) {
|
|
r = new ISBPLObject(getType("double"), (double) (Double) object1 * (double) (Double) object2);
|
|
}
|
|
if(r != null)
|
|
stack.push(r);
|
|
else
|
|
typeError(o1.type.name, o2.type.name);
|
|
};
|
|
break;
|
|
case "**":
|
|
func = (File file) -> {
|
|
ISBPLObject o2 = stack.pop();
|
|
ISBPLObject o1 = stack.pop();
|
|
o1.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
o2.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
Object object1 = o1.object;
|
|
Object object2 = o2.object;
|
|
ISBPLObject r = null;
|
|
if(object1 instanceof Integer && object2 instanceof Integer) {
|
|
r = new ISBPLObject(getType("int"), (int) Math.pow((int) (Integer) object1, (int) (Integer) object2));
|
|
}
|
|
if(object1 instanceof Long && object2 instanceof Long) {
|
|
r = new ISBPLObject(getType("long"), (long) Math.pow((long) (Long) object1, (long) (Long) object2));
|
|
}
|
|
if(object1 instanceof Character && object2 instanceof Character) {
|
|
r = new ISBPLObject(getType("char"), (char) Math.pow((char) (Character) object1, (char) (Character) object2));
|
|
}
|
|
if(object1 instanceof Byte && object2 instanceof Byte) {
|
|
r = new ISBPLObject(getType("byte"), (byte) Math.pow(Byte.toUnsignedInt((Byte) object1), Byte.toUnsignedInt((Byte) object2)));
|
|
}
|
|
if(object1 instanceof Float && object2 instanceof Float) {
|
|
r = new ISBPLObject(getType("float"), (float) Math.pow((float) (Float) object1, (float) (Float) object2));
|
|
}
|
|
if(object1 instanceof Double && object2 instanceof Double) {
|
|
r = new ISBPLObject(getType("double"), (double) Math.pow((double) (Double) object1, (double) (Double) object2));
|
|
}
|
|
if(r != null)
|
|
stack.push(r);
|
|
else
|
|
typeError(o1.type.name, o2.type.name);
|
|
};
|
|
break;
|
|
case "%":
|
|
func = (File file) -> {
|
|
try {
|
|
ISBPLObject o2 = stack.pop();
|
|
ISBPLObject o1 = stack.pop();
|
|
o1.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
o2.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("float"), getType("long"), getType("double"));
|
|
Object object1 = o1.object;
|
|
Object object2 = o2.object;
|
|
ISBPLObject r = null;
|
|
if (object1 instanceof Integer && object2 instanceof Integer) {
|
|
r = new ISBPLObject(getType("int"), (int) (Integer) object1 % (int) (Integer) object2);
|
|
}
|
|
if (object1 instanceof Long && object2 instanceof Long) {
|
|
r = new ISBPLObject(getType("long"), (long) (Long) object1 % (long) (Long) object2);
|
|
}
|
|
if (object1 instanceof Character && object2 instanceof Character) {
|
|
r = new ISBPLObject(getType("char"), (char) (Character) object1 % (char) (Character) object2);
|
|
}
|
|
if (object1 instanceof Byte && object2 instanceof Byte) {
|
|
r = new ISBPLObject(getType("byte"), Byte.toUnsignedInt((Byte) object1) % Byte.toUnsignedInt((Byte) object2));
|
|
}
|
|
if (object1 instanceof Float && object2 instanceof Float) {
|
|
r = new ISBPLObject(getType("float"), (float) (Float) object1 % (float) (Float) object2);
|
|
}
|
|
if (object1 instanceof Double && object2 instanceof Double) {
|
|
r = new ISBPLObject(getType("double"), (double) (Double) object1 % (double) (Double) object2);
|
|
}
|
|
if (r != null)
|
|
stack.push(r);
|
|
else
|
|
typeError(o1.type.name, o2.type.name);
|
|
} catch (ArithmeticException ex) {
|
|
throw new ISBPLError("Arithmetic", "Division by 0");
|
|
}
|
|
};
|
|
break;
|
|
case "^":
|
|
func = (File file) -> {
|
|
ISBPLObject o2 = stack.pop();
|
|
ISBPLObject o1 = stack.pop();
|
|
o1.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("long"));
|
|
o2.checkTypeMulti(getType("int"), getType("byte"), getType("char"), getType("long"));
|
|
Object object1 = o1.object;
|
|
Object object2 = o2.object;
|
|
ISBPLObject r = null;
|
|
if(object1 instanceof Integer && object2 instanceof Integer) {
|
|
r = new ISBPLObject(getType("int"), (int) (Integer) object1 ^ (int) (Integer) object2);
|
|
}
|
|
if(object1 instanceof Long && object2 instanceof Long) {
|
|
r = new ISBPLObject(getType("long"), (long) (Long) object1 ^ (long) (Long) object2);
|
|
}
|
|
if(object1 instanceof Character && object2 instanceof Character) {
|
|
r = new ISBPLObject(getType("char"), (char) (Character) object1 ^ (char) (Character) object2);
|
|
}
|
|
if(object1 instanceof Byte && object2 instanceof Byte) {
|
|
r = new ISBPLObject(getType("byte"), Byte.toUnsignedInt((Byte) object1) ^ Byte.toUnsignedInt((Byte) object2));
|
|
}
|
|
if(r != null)
|
|
stack.push(r);
|
|
else
|
|
typeError(o1.type.name, o2.type.name);
|
|
};
|
|
break;
|
|
case "dup":
|
|
func = (File file) -> {
|
|
ISBPLObject o = stack.pop();
|
|
stack.push(new ISBPLObject(o.type, o.object));
|
|
stack.push(new ISBPLObject(o.type, o.object));
|
|
};
|
|
break;
|
|
case "pop":
|
|
func = (File file) -> stack.pop();
|
|
break;
|
|
case "swap":
|
|
func = (File file) -> {
|
|
ISBPLObject o1 = stack.pop();
|
|
ISBPLObject o2 = stack.pop();
|
|
stack.push(o2);
|
|
stack.push(o1);
|
|
};
|
|
break;
|
|
case "_last_word":
|
|
func = (File file) -> {
|
|
ISBPLObject i = stack.pop();
|
|
i.checkType(getType("int"));
|
|
int n = (int) i.object;
|
|
if(n >= lastWords.size())
|
|
throw new ISBPLError("IllegalArgument", "_last_words called with wrong argument");
|
|
stack.push(toISBPLString(lastWords.get(n)));
|
|
};
|
|
break;
|
|
}
|
|
functionStack.peek().put(name, func);
|
|
}
|
|
|
|
private int createFunction(int i, String[] words, Stack<ISBPLObject> stack) {
|
|
i++;
|
|
String name = words[i];
|
|
AtomicInteger integer = new AtomicInteger(++i);
|
|
ISBPLCallable callable = readBlock(integer, words, stack, true);
|
|
i = integer.get();
|
|
functionStack.peek().put(name, callable);
|
|
return i;
|
|
}
|
|
|
|
private ISBPLCallable readBlock(AtomicInteger idx, String[] words, Stack<ISBPLObject> stack, boolean isFunction) {
|
|
ArrayList<String> newWords = new ArrayList<>();
|
|
int i = idx.get();
|
|
i++;
|
|
int lvl = 1;
|
|
for (; i < words.length && lvl > 0 ; i++) {
|
|
String word = words[i];
|
|
if(word.equals("{"))
|
|
lvl++;
|
|
if(word.equals("}")) {
|
|
if(--lvl == 0)
|
|
break;
|
|
}
|
|
newWords.add(word);
|
|
}
|
|
idx.set(i);
|
|
String[] theWords = newWords.toArray(new String[0]);
|
|
return (file) -> interpretRaw(file, theWords, stack, isFunction);
|
|
}
|
|
|
|
public String toJavaString(ISBPLObject string) {
|
|
string.checkType(getType("string"));
|
|
ISBPLObject[] array = ((ISBPLObject[]) string.object);
|
|
char[] chars = new char[array.length];
|
|
for (int i = 0 ; i < array.length ; i++) {
|
|
chars[i] = ((char) array[i].object);
|
|
}
|
|
return new String(chars);
|
|
}
|
|
|
|
public ISBPLObject toISBPLString(String s) {
|
|
char[] chars = s.toCharArray();
|
|
ISBPLObject[] objects = new ISBPLObject[chars.length];
|
|
ISBPLType type = getType("char");
|
|
for (int i = 0 ; i < chars.length ; i++) {
|
|
objects[i] = new ISBPLObject(type, chars[i]);
|
|
}
|
|
return new ISBPLObject(getType("string"), objects);
|
|
}
|
|
|
|
public ISBPLType registerType(String name) {
|
|
ISBPLType type = new ISBPLType(name);
|
|
types.add(type);
|
|
return type;
|
|
}
|
|
|
|
// These will die as soon as std creates the real types and any types created before these are replaced become invalid.
|
|
static final ISBPLType defaultTypeInt = new ISBPLType("int");
|
|
static final ISBPLType defaultTypeString = new ISBPLType("string");
|
|
|
|
public ISBPLType getType(String name) {
|
|
for (int i = 0 ; i < types.size() ; i++) {
|
|
if(types.get(i).name.equals(name))
|
|
return types.get(i);
|
|
}
|
|
if(name.equals("int"))
|
|
return defaultTypeInt;
|
|
if(name.equals("string"))
|
|
return defaultTypeString;
|
|
return null;
|
|
}
|
|
public void typeError(String got, String wanted) {
|
|
throw new ISBPLError("IncompatibleTypes", "Incompatible types: " + got + " - " + wanted);
|
|
}
|
|
|
|
public void interpret(File file, String code, Stack<ISBPLObject> stack) {
|
|
code = cleanCode(code);
|
|
String[] words = splitWords(code);
|
|
interpretRaw(file, words, stack, false);
|
|
}
|
|
|
|
private void interpretRaw(File file, String[] words, Stack<ISBPLObject> stack, boolean isFunction) {
|
|
if(isFunction)
|
|
functionStack.push(new HashMap<>());
|
|
try {
|
|
for (int i = 0 ; i < words.length ; i++) {
|
|
String word = words[i];
|
|
if (word.length() == 0)
|
|
continue;
|
|
if(debug) {
|
|
String s = "";
|
|
for (int x = 0 ; x < functionStack.size() ; x++) {
|
|
s += "\t";
|
|
}
|
|
System.err.println(s + word + "\t\t" + stack);
|
|
}
|
|
while (debuggerIPC.run == 0) Thread.sleep(1);
|
|
if(debuggerIPC.run < 0) {
|
|
if(debuggerIPC.run < -1) {
|
|
if (debuggerIPC.run == -2) {
|
|
if (word.equals(debuggerIPC.until)) {
|
|
debuggerIPC.run = 0;
|
|
while (debuggerIPC.run == 0) Thread.sleep(1);
|
|
}
|
|
}
|
|
if (debuggerIPC.run == -3 && Thread.currentThread().getId() != debuggerIPC.threadID) {
|
|
while (debuggerIPC.run == -3) Thread.sleep(1);
|
|
}
|
|
}
|
|
} else
|
|
debuggerIPC.run--;
|
|
lastWords.add(0, word);
|
|
while(lastWords.size() > 16)
|
|
lastWords.remove(lastWords.size() - 1);
|
|
ISBPLKeyword keyword = getKeyword(word);
|
|
if (keyword != null) {
|
|
i = keyword.call(i, words, file, stack);
|
|
continue;
|
|
}
|
|
ISBPLCallable func = functionStack.peek().get(word);
|
|
if(func != null) {
|
|
func.call(file);
|
|
continue;
|
|
}
|
|
func = functionStack.get(0).get(word);
|
|
if(func != null) {
|
|
func.call(file);
|
|
continue;
|
|
}
|
|
if (word.startsWith("\"")) {
|
|
stack.push(toISBPLString(word.substring(1)));
|
|
continue;
|
|
}
|
|
try {
|
|
stack.push(new ISBPLObject(getType("int"), Integer.parseInt(word)));
|
|
continue;
|
|
} catch (Exception ignore) {}
|
|
try {
|
|
stack.push(new ISBPLObject(getType("long"), Long.parseLong(word)));
|
|
continue;
|
|
} catch (Exception ignore) {}
|
|
try {
|
|
stack.push(new ISBPLObject(getType("float"), Float.parseFloat(word)));
|
|
continue;
|
|
} catch (Exception ignore) {}
|
|
try {
|
|
stack.push(new ISBPLObject(getType("double"), Double.parseDouble(word)));
|
|
continue;
|
|
} catch (Exception ignore) {}
|
|
throw new ISBPLError("InvalidWord", word + " is not a function, object, or keyword.");
|
|
}
|
|
} catch (ISBPLStop stop) {
|
|
if(stop.amount == 0)
|
|
return;
|
|
throw new ISBPLStop(stop.amount);
|
|
}
|
|
catch (InterruptedException e) {
|
|
e.printStackTrace();
|
|
}
|
|
finally {
|
|
if(isFunction)
|
|
functionStack.pop();
|
|
}
|
|
}
|
|
|
|
// Magic, please test before pushing changes!
|
|
private String[] splitWords(String code) {
|
|
ArrayList<String> words = new ArrayList<>();
|
|
char[] chars = code.toCharArray();
|
|
boolean isInString = false;
|
|
boolean escaping = false;
|
|
String word = "";
|
|
for (int i = 0 ; i < chars.length ; i++) {
|
|
char c = chars[i];
|
|
if(isInString) {
|
|
if(c == '\\') {
|
|
escaping = !escaping;
|
|
if(escaping)
|
|
continue;
|
|
}
|
|
if(c == 'n' && escaping) {
|
|
word += '\n';
|
|
escaping = false;
|
|
continue;
|
|
}
|
|
if(c == 'r' && escaping) {
|
|
escaping = false;
|
|
word += '\r';
|
|
continue;
|
|
}
|
|
if(c == '"') {
|
|
if (escaping) {
|
|
escaping = false;
|
|
}
|
|
else {
|
|
isInString = false;
|
|
continue;
|
|
}
|
|
}
|
|
word += c;
|
|
if(escaping)
|
|
throw new RuntimeException("Error parsing code: Invalid Escape.");
|
|
}
|
|
else if(c == '"' && word.length() == 0) {
|
|
word += '"';
|
|
isInString = true;
|
|
}
|
|
else if(c == ' ') {
|
|
words.add(word);
|
|
word = "";
|
|
}
|
|
else {
|
|
word += c;
|
|
}
|
|
}
|
|
words.add(word);
|
|
return words.toArray(new String[0]);
|
|
}
|
|
|
|
private String cleanCode(String code) {
|
|
return code
|
|
.replaceAll("\r", "\n")
|
|
.replaceAll("\n", " ")
|
|
;
|
|
}
|
|
|
|
public static void main(String[] args) throws IOException {
|
|
Stack<ISBPLObject> stack = new Stack<>();
|
|
ISBPL isbpl = new ISBPL();
|
|
isbpl.debuggerIPC.stack = stack;
|
|
debug = !System.getenv().getOrDefault("DEBUG", "").equals("");
|
|
if(debug) {
|
|
new ISBPLDebugger(isbpl).start();
|
|
}
|
|
try {
|
|
File std = new File(System.getenv().getOrDefault("ISBPL_PATH", "/usr/lib/isbpl") + "/std.isbpl");
|
|
isbpl.interpret(std, readFile(std), stack);
|
|
File file = new File(args[0]).getAbsoluteFile();
|
|
isbpl.interpret(file, readFile(file), stack);
|
|
stack.push(argarray(isbpl, args));
|
|
isbpl.interpret(file, "main exit", stack);
|
|
} catch (ISBPLStop stop) {
|
|
System.exit(isbpl.exitCode);
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
System.out.println(stack);
|
|
}
|
|
}
|
|
|
|
private static ISBPLObject argarray(ISBPL isbpl, String[] args) {
|
|
ISBPLObject[] array = new ISBPLObject[args.length - 1];
|
|
for (int i = 1 ; i < args.length ; i++) {
|
|
array[i - 1] = isbpl.toISBPLString(args[i]);
|
|
}
|
|
return new ISBPLObject(isbpl.getType("array"), array);
|
|
}
|
|
|
|
private static String readFile(File f) throws IOException {
|
|
FileInputStream fis = new FileInputStream(f);
|
|
ByteArrayOutputStream bytes = new ByteArrayOutputStream();
|
|
byte[] currentBytes = new byte[4096];
|
|
int len;
|
|
while ((len = fis.read(currentBytes)) > 0) {
|
|
bytes.write(currentBytes, 0, len);
|
|
}
|
|
return bytes.toString();
|
|
}
|
|
}
|
|
|
|
interface ISBPLKeyword {
|
|
int call(int idx, String[] words, File file, Stack<ISBPLObject> stack);
|
|
}
|
|
|
|
interface ISBPLCallable {
|
|
void call(File file);
|
|
}
|
|
|
|
class ISBPLType {
|
|
static int gid = -2;
|
|
int id = gid++;
|
|
String name;
|
|
|
|
public ISBPLType(String name) {
|
|
this.name = name;
|
|
}
|
|
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (this == o) return true;
|
|
if (!(o instanceof ISBPLType)) return false;
|
|
ISBPLType type = (ISBPLType) o;
|
|
return id == type.id;
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
return id;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "ISBPLType{" +
|
|
"id=" + id +
|
|
", name='" + name + '\'' +
|
|
'}';
|
|
}
|
|
}
|
|
|
|
class ISBPLObject {
|
|
final ISBPLType type;
|
|
final Object object;
|
|
|
|
public ISBPLObject(ISBPLType type, Object object) {
|
|
this.type = type;
|
|
this.object = object;
|
|
}
|
|
|
|
public boolean isTruthy() {
|
|
return object != null && object != Integer.valueOf(0);
|
|
}
|
|
|
|
// This has heavy optimizations, please do not change unless necessary
|
|
public boolean equals(Object o) {
|
|
if(this == o) return true;
|
|
if(!(o instanceof ISBPLObject)) return false;
|
|
ISBPLObject object = (ISBPLObject) o;
|
|
if(this.object == object.object)
|
|
return true;
|
|
if(this.object == null)
|
|
return false;
|
|
if(object.object == null)
|
|
return false;
|
|
if(this.object.getClass().isArray() || object.object.getClass().isArray()) {
|
|
if(this.object.getClass().isArray() && object.object.getClass().isArray()) {
|
|
return Arrays.equals((Object[]) this.object, (Object[]) object.object);
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
return this.object.equals(object.object);
|
|
}
|
|
|
|
public void checkType(ISBPLType wanted) {
|
|
if(wanted.id != type.id) {
|
|
throw new ISBPLError("IncompatibleTypes", "Incompatible types: " + type.name + " - " + wanted.name);
|
|
}
|
|
}
|
|
|
|
public int checkTypeMulti(ISBPLType... wanted) {
|
|
int f = -1;
|
|
String wantedNames = "";
|
|
for (int i = 0 ; i < wanted.length ; i++) {
|
|
wantedNames += " " + wanted[i].name;
|
|
if(wanted[i].id == type.id) {
|
|
f = i;
|
|
break;
|
|
}
|
|
}
|
|
if(f == -1) {
|
|
throw new ISBPLError("IncompatibleTypes", "Incompatible types: " + type.name + " - " + wantedNames.substring(1));
|
|
}
|
|
return f;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
if(type != null && type.name.equals("string")) {
|
|
try {
|
|
return "ISBPLObject{" +
|
|
"type=" + type +
|
|
", object=" + Arrays.toString(((ISBPLObject[]) object)) +
|
|
'}';
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
return "ISBPLObject{" +
|
|
"type=" + type +
|
|
", object=" + object +
|
|
'}';
|
|
}
|
|
|
|
public double toDouble() {
|
|
if(object instanceof Integer) {
|
|
return (double) (int) (Integer) object;
|
|
}
|
|
if(object instanceof Long) {
|
|
return (double) (long) (Long) object;
|
|
}
|
|
if(object instanceof Character) {
|
|
return (double) (char) (Character) object;
|
|
}
|
|
if(object instanceof Byte) {
|
|
return Byte.toUnsignedInt((Byte) object);
|
|
}
|
|
if(object instanceof Float) {
|
|
return (double) (float) (Float) object;
|
|
}
|
|
if(object instanceof Double) {
|
|
return (double) (Double) object;
|
|
}
|
|
throw new ISBPLError("InvalidArgument", "The argument is not a number.");
|
|
}
|
|
|
|
public long toLong() {
|
|
if(object instanceof Integer) {
|
|
return (long) (int) (Integer) object;
|
|
}
|
|
if(object instanceof Long) {
|
|
return (long) (Long) object;
|
|
}
|
|
if(object instanceof Character) {
|
|
return (long) (char) (Character) object;
|
|
}
|
|
if(object instanceof Byte) {
|
|
return Byte.toUnsignedInt((Byte) object);
|
|
}
|
|
if(object instanceof Float) {
|
|
return (long) (float) (Float) object;
|
|
}
|
|
if(object instanceof Double) {
|
|
return (long) (double) (Double) object;
|
|
}
|
|
throw new ISBPLError("InvalidArgument", "The argument is not a number.");
|
|
}
|
|
|
|
public Object negative() {
|
|
if(object instanceof Integer) {
|
|
return -(int) (Integer) object;
|
|
}
|
|
if(object instanceof Long) {
|
|
return -(long) (Long) object;
|
|
}
|
|
if(object instanceof Float) {
|
|
return -(float) (Float) object;
|
|
}
|
|
if(object instanceof Double) {
|
|
return -(double) (Double) object;
|
|
}
|
|
throw new ISBPLError("InvalidArgument", "This type of number can't be negated!");
|
|
}
|
|
}
|
|
|
|
class ISBPLError extends RuntimeException {
|
|
final String type;
|
|
final String message;
|
|
|
|
public ISBPLError(String type, String message) {
|
|
this.type = type;
|
|
this.message = message;
|
|
}
|
|
|
|
@Override
|
|
public String getMessage() {
|
|
return type + ": " + message;
|
|
}
|
|
}
|
|
|
|
class ISBPLStop extends RuntimeException {
|
|
|
|
int amount;
|
|
|
|
public ISBPLStop(int amount) {
|
|
this.amount = amount - 1;
|
|
}
|
|
}
|
|
|
|
class ISBPLDebugger extends Thread {
|
|
private ISBPL isbpl;
|
|
|
|
public ISBPLDebugger(ISBPL isbpl) {
|
|
this.isbpl = isbpl;
|
|
isbpl.debuggerIPC.run = 0;
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
ServerSocket socket = new ServerSocket(9736);
|
|
while (true) {
|
|
Socket s = socket.accept();
|
|
BufferedReader reader = new BufferedReader(new InputStreamReader(s.getInputStream()));
|
|
String line;
|
|
while ((line = reader.readLine()) != null) {
|
|
switch (line.split(" ")[0]) {
|
|
case "continue":
|
|
isbpl.debuggerIPC.run = -1;
|
|
break;
|
|
case "stop":
|
|
isbpl.debuggerIPC.run = 0;
|
|
break;
|
|
case "next":
|
|
case "n":
|
|
isbpl.debuggerIPC.run = 1;
|
|
break;
|
|
case "until":
|
|
case "u":
|
|
isbpl.debuggerIPC.until = line.split(" ")[1];
|
|
isbpl.debuggerIPC.run = -2;
|
|
break;
|
|
case "eval":
|
|
isbpl.debuggerIPC.run = -3;
|
|
isbpl.debuggerIPC.threadID = Thread.currentThread().getId();
|
|
try {
|
|
isbpl.interpret(new File("_debug").getAbsoluteFile(), line.substring(5), isbpl.debuggerIPC.stack);
|
|
} catch (ISBPLStop stop) {
|
|
System.exit(isbpl.exitCode);
|
|
} catch (Throwable e) {
|
|
e.printStackTrace();
|
|
boolean fixed = false;
|
|
while (!fixed) {
|
|
try {
|
|
System.err.println("Stack recovered: " + isbpl.debuggerIPC.stack);
|
|
fixed = true;
|
|
}
|
|
catch (Exception e1) {
|
|
e.printStackTrace();
|
|
System.err.println("!!! STACK CORRUPTED!");
|
|
isbpl.debuggerIPC.stack.pop();
|
|
System.err.println("Popped. Trying again.");
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case "stack":
|
|
boolean fixed = false;
|
|
while (!fixed) {
|
|
try {
|
|
System.err.println("Stack: " + isbpl.debuggerIPC.stack);
|
|
fixed = true;
|
|
}
|
|
catch (Exception e1) {
|
|
e1.printStackTrace();
|
|
System.err.println("!!! STACK CORRUPTED!");
|
|
isbpl.debuggerIPC.stack.pop();
|
|
System.err.println("Popped. Trying again.");
|
|
}
|
|
}
|
|
break;
|
|
case "exit":
|
|
System.exit(255);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch (IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
static class IPC {
|
|
long threadID;
|
|
String until = null;
|
|
int run = -1;
|
|
Stack<ISBPLObject> stack = null;
|
|
|
|
}
|
|
}
|