1 files changed, 32 insertions, 2 deletions

diff --git a/compiler/src/ast/error.rs b/compiler/src/ast/error.rs
index 11f552d..ced2231 100644
--- a/compiler/src/ast/error.rs
+++ b/compiler/src/ast/error.rs
@@ -1,7 +1,37 @@
-use std::{error, fmt};
+use std::{
+    error, fmt,
+    num::{ParseFloatError, ParseIntError},
+    rc::Rc,
+};
 
 #[derive(Debug)]
-pub enum Error {}
+pub enum Error {
+    // Number
+    InvalidFloatLiteral(ParseFloatError),
+    InvalidIntegerLiteral(ParseIntError),
+
+    // String
+    UnclosedString(Rc<str>),
+    UnexpectedEscapeChar(char),
+
+    // Par
+    UnexpectedRightPar,
+    UnclosedLeftPar,
+
+    UnexpectedEof,
+}
+
+impl From<ParseFloatError> for Error {
+    fn from(value: ParseFloatError) -> Self {
+        Self::InvalidFloatLiteral(value)
+    }
+}
+
+impl From<ParseIntError> for Error {
+    fn from(value: ParseIntError) -> Self {
+        Self::InvalidIntegerLiteral(value)
+    }
+}
 
 impl fmt::Display for Error {
     fn fmt(&self, _f: &mut fmt::Formatter) -> fmt::Result {