Fill missing doc strings

src/compiler.rs

@@ -57,7 +57,7 @@ pub struct Compiler {
 }
 
 impl Compiler {
-    /// TODO
+    /// Creates a new instance of the `Compiler` struct, initializing its fields to default values
     pub fn new() -> Self {
         Self {
             ast: Vec::new(),
@@ -68,7 +68,7 @@ impl Compiler {
         }
     }
 
-    /// TODO
+    /// Loads the provided abstract syntax tree (AST) into the compiler, replacing any existing AST
     pub fn load_ast(&mut self, ast: Ast) {
         self.ast = ast;
     }

src/main.rs

@@ -10,7 +10,6 @@ use std::{
 };
 
 // TODO:
-// - line numbers in parser errors
 // - more test cases for error returns
 // - if, else expr
 // - fn expr

src/utils.rs

@@ -200,7 +200,7 @@ pub fn escape_string(s: &str) -> String {
 }
 
 impl From<String> for ErrorType {
-    /// TODO
+    /// Converts a String message into an ErrorType::Generic variant
     fn from(message: String) -> Self {
         ErrorType::Generic(message)
     }
@@ -220,7 +220,7 @@ pub fn dbg_file_if_env(data: &str, file: &str, var: &str) {
     }
 }
 
-/// TODO
+/// Finds the line number where a syntax error occurs in the given source code
 pub fn find_error_line_number(source: &str) -> Option<usize> {
     let mut current_line = 1;
     let mut context = String::new();