Run rustfmt formatter
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@ -3,12 +3,12 @@ pub fn do_math(arguments: String, operator: char) -> u32 {
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let num1: u32 = match split_args[0].parse() {
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Ok(num) => num,
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Err(_e) => panic!("ArgumentError: Not a number: {}", split_args[0])
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Err(_e) => panic!("ArgumentError: Not a number: {}", split_args[0]),
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};
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let num2: u32 = match split_args[1].parse() {
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Ok(num) => num,
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Err(_e) => panic!("ArgumentError: Not a number: {}", split_args[1])
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Err(_e) => panic!("ArgumentError: Not a number: {}", split_args[1]),
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};
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match operator {
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@ -16,6 +16,6 @@ pub fn do_math(arguments: String, operator: char) -> u32 {
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'-' => num1 - num2,
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'*' => num1 * num2,
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'/' => num1 / num2,
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_ => panic!("SyntaxError: Unknown operator {}", operator)
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_ => panic!("SyntaxError: Unknown operator {}", operator),
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}
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}
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21
src/main.rs
21
src/main.rs
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@ -1,15 +1,15 @@
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use std::fs;
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use std::collections::HashMap;
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use std::env;
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use std::fmt;
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use std::fs;
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use std::usize;
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use std::collections::HashMap;
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mod eval;
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struct Program {
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data: Vec<String>,
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pc: usize,
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vars: HashMap<char, String>
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vars: HashMap<char, String>,
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}
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impl Program {
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@ -24,7 +24,11 @@ impl Program {
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}
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}
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return Program{ data: op_list, pc: 0, vars: HashMap::new() };
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return Program {
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data: op_list,
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pc: 0,
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vars: HashMap::new(),
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};
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}
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// Reads the arguments passed to an opcode, and inserts variables where necessary
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@ -53,15 +57,13 @@ impl Program {
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let key = self.vars.get(&variable);
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match key {
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Some(value) => str_to_push = value.to_string(),
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None => panic!("NotFoundError: Variable {} has not been defined", variable)
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None => panic!("NotFoundError: Variable {} has not been defined", variable),
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}
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} else {
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// If there's no variable, then just push the char that was already there
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str_to_push = current_char.to_string();
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}
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builder.push_str(&str_to_push);
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}
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@ -88,8 +90,8 @@ impl Program {
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'm' => println!("{}", eval::do_math(self.args_or_vars(arguments), '*')),
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'd' => println!("{}", eval::do_math(self.args_or_vars(arguments), '/')),
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'l' => self.add_var(arguments),
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'#' => {}, // Do nothing for comments
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_ => panic!("SyntaxError: No such opcode: {}", self.pc)
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'#' => {} // Do nothing for comments
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_ => panic!("SyntaxError: No such opcode: {}", self.pc),
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}
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}
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@ -153,5 +155,4 @@ mod tests {
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fn test_undefined_variable() {
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make_program("p$v").run();
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}
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}
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