Add parsing pointer-type

reid/src/ast/mod.rs

@@ -28,6 +28,7 @@ pub enum TypeKind {
     Array(Box<TypeKind>, u64),
     Custom(String),
     Borrow(Box<TypeKind>, bool),
+    Ptr(Box<TypeKind>),
 }
 
 #[derive(Debug, Clone)]

reid/src/ast/parse.rs

@@ -35,6 +35,10 @@ impl Parse for Type {
 
             let inner = stream.parse::<Type>()?;
             TypeKind::Borrow(Box::new(inner.0), mutable)
+        } else if let Some(Token::Star) = stream.peek() {
+            stream.expect(Token::Star)?;
+            let inner = stream.parse::<Type>()?;
+            TypeKind::Ptr(Box::new(inner.0))
         } else {
             if let Some(Token::Identifier(ident)) = stream.next() {
                 match &*ident {

reid/src/ast/process.rs

@@ -293,6 +293,9 @@ impl From<ast::TypeKind> for mir::TypeKind {
             ast::TypeKind::Borrow(type_kind, mutable) => {
                 mir::TypeKind::Borrow(Box::new(mir::TypeKind::from(*type_kind.clone())), *mutable)
             }
+            ast::TypeKind::Ptr(type_kind) => {
+                mir::TypeKind::Ptr(Box::new(mir::TypeKind::from(*type_kind.clone())))
+            }
         }
     }
 }

reid_src/ptr.reid

@@ -0,0 +1,10 @@
+// Arithmetic, function calls and imports!
+
+
+extern fn malloc(size: u64) -> *u8;
+
+fn main() -> u16 {
+    let ptr = malloc(4);
+
+    return ptr[0];
+}