Some clean up.

Cargo.toml

@@ -5,6 +5,6 @@ edition = "2021"
 
 [[bin]]
 name = "dmc"
-path = "src/bin/compiler"
+path = "src/bin/compiler/main.rs"
 
 [dependencies]

src/bin/compiler/main.rs

@@ -1,6 +1,6 @@
 use deimos::lexer::tokenize;
-use std::process::exit;
 use deimos::parser::parse;
+use std::process::exit;
 
 fn main() {
     let src = String::from("print 42");

src/lexer/mod.rs

@@ -80,7 +80,8 @@ pub fn tokenize(input: &String) -> Result<Vec<Token>, String> {
                 let mut buffer = String::new();
                 buffer.push(c);
                 while let Some(num_char) = peekable.next_if(|c| {
-                    c.is_digit(10) || match c {
+                    c.is_digit(10)
+                        || match c {
                             '_' | 'x' | 'L' | 'd' => true,
                             _ => false,
                         }

src/lib.rs

@@ -1,3 +1,3 @@
 pub mod lexer;
-pub mod vm;
 pub mod parser;
+pub mod vm;

src/vm/mod.rs

@@ -1,23 +1,23 @@
 mod module;
 mod op_codes;
-mod util;
 mod platform;
 mod types;
+mod util;
 
+use crate::vm::module::DmFunction;
 use op_codes::*;
 use platform::PlatformCallFrame;
 use std::alloc::{alloc_zeroed, dealloc, Layout};
 use std::collections::HashMap;
 use types::DmType;
 use util::{get_32_le, get_64_le};
-use crate::vm::module::DmFunction;
 
 pub type PlatformFunction = fn(&mut PlatformCallFrame) -> Result<Option<(u64, DmType)>, String>;
 
 pub struct DmVirtualMachine {
     registers: Vec<u64>,
     register_types: Vec<DmType>,
-    platform_functions: HashMap<String, PlatformFunction>
+    platform_functions: HashMap<String, PlatformFunction>,
 }
 
 impl DmVirtualMachine {
@@ -25,7 +25,7 @@ impl DmVirtualMachine {
         &self,
         dm_function: &DmFunction,
         args: Vec<u64>,
-        arg_types: Vec<DmType>
+        arg_types: Vec<DmType>,
     ) -> Result<(u64, DmType), String> {
         run(&dm_function.byte_code, todo!(), todo!());
         todo!()
@@ -36,7 +36,7 @@ pub struct DmObjectType {
     name: String,
     properties: HashMap<String, DmObjectProperty>,
     fields: HashMap<String, DmObjectField>,
-    methods: HashMap<String, DmFunction>
+    methods: HashMap<String, DmFunction>,
 }
 
 pub struct DmObject {
@@ -91,7 +91,7 @@ pub fn run(code: &Vec<u8>, registers: &mut Vec<u64>, register_types: &mut Vec<Dm
                     data: pointer,
                     size,
                     layout,
-                    object_type: todo!()
+                    object_type: todo!(),
                 });
                 let dm_object_pointer = Box::into_raw(dm_object) as u64;
                 registers[target_register] = dm_object_pointer;

src/vm/module.rs

@@ -110,7 +110,6 @@ pub fn load_module(bytes: &[u8]) -> Result<DmModule, String> {
 
     // TODO: extract module name
 
-
     // Holder for Symbols we will extract from the symbol table bytes
     let mut symbols: Vec<DmSymbol> = Vec::new();
 
@@ -160,7 +159,7 @@ fn read_as_u64(bytes: &[u8]) -> u64 {
     let max_shift = (bytes.len() - 1) * 8;
     for i in 0..bytes.len() {
         result |= (bytes[i] as u64) << (max_shift - i * 8);
-    };
+    }
     result
 }
 

src/vm/op_codes.rs

@@ -42,7 +42,7 @@ pub const PLATFORM_CALL: u8 = 0x10;
 macro_rules! push_number {
     ( $dest: expr, $num: expr ) => {
         push_bytes!($dest, $num.to_le_bytes())
-    }
+    };
 }
 
 macro_rules! push_string {

src/vm/platform/mod.rs

@@ -1,17 +1,17 @@
-use std::collections::HashMap;
-use crate::vm::{DmVirtualMachine, PlatformFunction};
 use crate::vm::platform::std_lib::core::dm_print;
+use crate::vm::{DmVirtualMachine, PlatformFunction};
+use std::collections::HashMap;
 
 mod std_lib;
 
 pub struct PlatformCallFrame {
     args: Vec<u64>,
     arg_types: Vec<crate::vm::types::DmType>,
-    vm: DmVirtualMachine
+    vm: DmVirtualMachine,
 }
 
 pub fn init_platform_functions() -> HashMap<String, PlatformFunction> {
-    let mut m: HashMap<String, PlatformFunction> = HashMap::new();
+    let mut fns: HashMap<String, PlatformFunction> = HashMap::new();
-    m.insert(String::from("std::core::print"), dm_print);
+    fns.insert(String::from("std::core::print"), dm_print);
-    m
+    fns
 }

src/vm/platform/std_lib/core.rs

@@ -4,7 +4,7 @@ use crate::vm::DmObject;
 use DmType::*;
 
 pub struct DmString {
-    data: String
+    data: String,
 }
 
 pub fn dm_print(frame: &mut PlatformCallFrame) -> Result<Option<(u64, DmType)>, String> {
@@ -23,8 +23,15 @@ pub fn dm_print(frame: &mut PlatformCallFrame) -> Result<Option<(u64, DmType)>,
         }
         Pointer => unsafe {
             let dm_object = Box::from_raw(frame.args[0] as *mut DmObject);
-            if let Some(&ref to_string_method) = dm_object.object_type.methods.get(&String::from("to_string")) {
+            if let Some(&ref to_string_method) = dm_object
-                let call_result = frame.vm.call(to_string_method, vec![frame.args[0]], vec![Pointer]);
+                .object_type
+                .methods
+                .get(&String::from("to_string"))
+            {
+                let call_result =
+                    frame
+                        .vm
+                        .call(to_string_method, vec![frame.args[0]], vec![Pointer]);
                 if call_result.is_err() {
                     return Err(call_result.unwrap_err());
                 }
@@ -35,8 +42,7 @@ pub fn dm_print(frame: &mut PlatformCallFrame) -> Result<Option<(u64, DmType)>,
             } else {
                 print!("{}@{:?}", dm_object.object_type.name, dm_object.data);
             }
-        }
+        },
     }
     Ok(None)
 }
-