better parsing error handling

on9au · Jun 16, 2024 · 806d5fe · 806d5fe
1 parent 85e1483
commit 806d5fe
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Showing 3 changed files with 277 additions and 183 deletions.
diff --git a/src/frontend/lexer.rs b/src/frontend/lexer.rs
@@ -6,7 +6,7 @@ use std::{
     str::{Chars, FromStr},
 };
 
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub enum Token {
     // Keywords
     Keyword(Keyword),
@@ -45,7 +45,7 @@ impl std::fmt::Display for Token {
 }
 
 // Keywords
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub enum Keyword {
     Import, // import
     Fn,     // fn
@@ -96,7 +96,7 @@ impl FromStr for Keyword {
 }
 
 // Operators
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub enum Operator {
     Assign,         // =
     Add,            // +
@@ -119,7 +119,7 @@ pub enum Operator {
 }
 
 // Symbols/Delimiters
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub enum Symbol {
     LeftParen,    // (
     RightParen,   // )