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cargo: fmt

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This commit is contained in:
Muhammad Nauman Raza 2025-01-26 09:36:13 +00:00
parent a40eba6f8d
commit ec3f371313
Signed by: devraza
GPG key ID: 91EAD6081011574B
1 changed files with 51 additions and 48 deletions
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99
src/main.rs
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@ -2,10 +2,7 @@ use std::collections::HashMap;
use std::fs::File;
use std::io::{self, BufRead, BufReader};
fn retrieve(
memory: &mut HashMap<String, i64>,
ops: Vec<String>
) -> i64 {
fn retrieve(memory: &mut HashMap<String, i64>, ops: Vec<String>) -> i64 {
if ops.len() >= 3 {
return *memory.get(&ops[2]).unwrap_or(&0);
} else {
@ -28,57 +25,57 @@ fn process(
} else {
options = vec![ops[0].as_str()];
}
for op in options {
match op {
"INP" => {
let mut s = String::new();
io::stdin().read_line(&mut s).unwrap();
*accumulator = s.trim().parse::<i64>().unwrap();
}
"OUT" => println!("{}", accumulator),
"STA" => {
if ops.len() >= 3 {
memory.insert(ops[2].clone(), *accumulator);
} else {
memory.insert(ops[1].clone(), *accumulator);
match op {
"INP" => {
let mut s = String::new();
io::stdin().read_line(&mut s).unwrap();
*accumulator = s.trim().parse::<i64>().unwrap();
}
}
"LDA" => {
*accumulator = retrieve(memory, ops.clone());
}
"ADD" => {
if let Ok(value) = ops[1].parse::<i64>() {
*accumulator += value;
} else {
*accumulator += retrieve(memory, ops.clone());
"OUT" => println!("{}", accumulator),
"STA" => {
if ops.len() >= 3 {
memory.insert(ops[2].clone(), *accumulator);
} else {
memory.insert(ops[1].clone(), *accumulator);
}
}
}
"SUB" => {
if let Ok(value) = ops[1].parse::<i64>() {
*accumulator -= value;
} else {
*accumulator -= retrieve(memory, ops.clone());
"LDA" => {
*accumulator = retrieve(memory, ops.clone());
}
}
"BRA" => {
if ops.len() >= 3 {
*pc = *labels.get(&ops[2]).unwrap();
} else {
*pc = *labels.get(&ops[1]).unwrap();
"ADD" => {
if let Ok(value) = ops[1].parse::<i64>() {
*accumulator += value;
} else {
*accumulator += retrieve(memory, ops.clone());
}
}
}
"HLT" => std::process::exit(0),
_ => {
if ops.len() > 1 && ops[1] == "DAT" {
memory.insert(
ops[0].clone(),
ops.get(2).and_then(|s| s.parse::<i64>().ok()).unwrap_or(0),
);
"SUB" => {
if let Ok(value) = ops[1].parse::<i64>() {
*accumulator -= value;
} else {
*accumulator -= retrieve(memory, ops.clone());
}
}
"BRA" => {
if ops.len() >= 3 {
*pc = *labels.get(&ops[2]).unwrap();
} else {
*pc = *labels.get(&ops[1]).unwrap();
}
}
"HLT" => std::process::exit(0),
_ => {
if ops.len() > 1 && ops[1] == "DAT" {
memory.insert(
ops[0].clone(),
ops.get(2).and_then(|s| s.parse::<i64>().ok()).unwrap_or(0),
);
}
}
}
}
}
return 0;
}
@ -108,7 +105,13 @@ fn main() -> io::Result<()> {
let mut pc: usize = 0;
while pc < code.len() {
let line = &code[pc];
let next_pc = process(line.to_string(), &mut accumulator, &mut memory, &labels, &mut pc);
let next_pc = process(
line.to_string(),
&mut accumulator,
&mut memory,
&labels,
&mut pc,
);
if next_pc != 0 {
pc = next_pc;
} else {