From ba0aafd146c72215f6d8bf281c8541364a6f32c2 Mon Sep 17 00:00:00 2001
From: Akemi Izuko <akemi@noway.moe>
Date: Thu, 16 Nov 2023 15:59:01 -0700
Subject: [PATCH] Ast: trait objects on blocks

---
 src/ast.rs | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/src/ast.rs b/src/ast.rs
index fd4f39a..de220e6 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -41,12 +41,30 @@ impl ToString for BaseType {
     }
 }
 
-#[derive(Builder)]
-pub struct Block<T: Statement> {
-    statements: Vec<T>,
+#[derive(Default)]
+pub struct GlobalBlock {
+    statements: Vec<Box<dyn Statement>>,
 }
 
-impl<T: Statement> ToString for Block<T> {
+impl ToString for GlobalBlock {
+    fn to_string(&self) -> String {
+        let mut s = String::new();
+
+        for stat in &self.statements {
+            s.push_str(&stat.to_string());
+            s.push(' ');
+        }
+
+        s.push('\n');
+        s
+    }
+}
+
+pub struct Block {
+    statements: Vec<Box<dyn Statement>>,
+}
+
+impl ToString for Block {
     fn to_string(&self) -> String {
         let mut s = String::from("{ ");
 
@@ -60,9 +78,9 @@ impl<T: Statement> ToString for Block<T> {
     }
 }
 
-impl<T: Statement> AstNode for Block<T> {}
+impl AstNode for Block {}
 
-impl<T: Statement> Statement for Block<T> {}
+impl Statement for Block {}
 
 pub enum Literal {
     Int(i32),