Noratrieb/brainfuck
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works kind of

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nora 2021-04-20 10:55:49 +02:00
parent 6bec58b802
commit 05a0937e2c
3 changed files with 10 additions and 18 deletions
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15
bfi-java/src/Brainfuck.java
View file

@ -23,8 +23,8 @@ public class Brainfuck {
short[] memory = new short[MEM_SIZE]; short[] memory = new short[MEM_SIZE];
int pc = 0; int pc = 0;
while (pc < pgm.size()) { while (pc < pgm.size()) {
if (pointer > 1000) break;
switch (pgm.get(pc)) { switch (pgm.get(pc)) {
case '>' -> { case '>' -> {
if (pointer == MEM_SIZE - 1) { if (pointer == MEM_SIZE - 1) {
@ -37,12 +37,14 @@ public class Brainfuck {
if (pointer == 0) { if (pointer == 0) {
pointer = MEM_SIZE - 1; pointer = MEM_SIZE - 1;
} else { } else {
pointer++; pointer--;
} }
} }
case '+' -> increment(memory, pointer); case '+' -> increment(memory, pointer);
case '-' -> decrement(memory, pointer); case '-' -> decrement(memory, pointer);
case '.' -> out.append((char) memory[pointer]); case '.' -> {
out.append((char) memory[pointer]);
}
case ',' -> { case ',' -> {
} //todo implement i guess } //todo implement i guess
case '[' -> { case '[' -> {
@ -56,14 +58,14 @@ public class Brainfuck {
} }
} }
} }
case ']' -> { case ']' -> { //error lies here
if (memory[pointer] != 0) { if (memory[pointer] != 0) {
int level = 0; int level = 0;
while (pgm.get(pc) != '[' || level >= -1) { while (pgm.get(pc) != '[' || level > -1) {
pc--; pc--;
char instruction = pgm.get(pc); char instruction = pgm.get(pc);
if (instruction == '[') level--; if (instruction == '[') level--;
if (instruction == ']') level++; else if (instruction == ']') level++;
} }
} }
} }
@ -101,7 +103,6 @@ public class Brainfuck {
String program = Files.readString(Paths.get(args[0])); String program = Files.readString(Paths.get(args[0]));
List<Character> minified = brainfuck.minify(program); List<Character> minified = brainfuck.minify(program);
String result = brainfuck.interpret(minified); String result = brainfuck.interpret(minified);
System.out.println(result); System.out.println(result);

12
bfi-rust/bf.b
View file

@ -1,11 +1 @@
++++++++++[>++++++++++<-]>>++++++++++>->>>>>>>>>>>>>>>>-->+++++++[->++ ++++++++++[>+++++++++<-].
++++++++<]>[->+>+>+>+<<<<]+++>>+++>>>++++++++[-<++++<++++<++++>>>]++++
+[-<++++<++++>>]>>-->++++++[->+++++++++++<]>[->+>+>+>+<<<<]+++++>>+>++
++++>++++++>++++++++[-<++++<++++<++++>>>]++++++[-<+++<+++<+++>>>]>>-->
---+[-<+]-<[+[->+]-<<->>>+>[-]++[-->++]-->+++[---++[--<++]---->>-<+>[+
+++[----<++++]--[>]++[-->++]--<]>++[--+[-<+]->>[-]+++++[---->++++]-->[
->+<]>>[.>]++[-->++]]-->+++]---+[-<+]->>-[+>>>+[-<+]->>>++++++++++<<[-
>+>-[>+>>]>[+[-<+>]>+>>]<<<<<<]>>[-]>>>++++++++++<[->-[>+>>]>[+[-<+>]>
+>>]<<<<<]>[-]>>[>++++++[-<++++++++>]<.<<+>+>[-]]<[<[->-<]++++++[->+++
+++++<]>.[-]]<<++++++[-<++++++++>]<.[-]<<[-<+>]+[-<+]->>]+[-]<<<.>>>+[
-<+]-<<]

1
bfi-rust/src/main.rs
View file

@ -19,6 +19,7 @@ fn run(path: String) {
println!("Path: {}", path); println!("Path: {}", path);
let program = fs::read_to_string(path).unwrap(); let program = fs::read_to_string(path).unwrap();
let program = minify(program); let program = minify(program);
println!("{}", program);
let start = SystemTime::now(); let start = SystemTime::now();
let out = interpret(program.chars().collect()); let out = interpret(program.chars().collect());