Structures de base pour l'AST

src/expr.rs

@@ -0,0 +1,30 @@
+use crate::token::Token;
+
+pub struct Binary {
+    left: Expr,
+    operator: Token,
+    right: Expr,
+}
+
+pub struct Grouping {
+    expression: Expr,
+}
+
+pub enum Literal {
+    LiteralNumber(i8),
+    LiteralString(String),
+    LiteralBool(bool),
+    LiteralNil,
+}
+
+pub struct Unary {
+    operator: Token,
+    right: Expr,
+}
+
+pub enum Expr {
+    Binary ,
+    Grouping,
+    Literal,
+    Unary,
+}