Add NODE_BLOCK for scoped expressions

1 files changed, 7 insertions, 1 deletions

diff --git a/src/nodes.h b/src/nodes.h
index 2e24ea5..c1520b3 100644
--- a/src/nodes.h
+++ b/src/nodes.h
@@ -11,6 +11,7 @@ typedef enum NodeType {
     NODE_DEF,
     NODE_SET,
     NODE_FUN,
+    NODE_BLOCK,
 } NodeType;
 
 typedef struct Node {
@@ -55,8 +56,13 @@ typedef struct Node {
             struct Node **param_names;
             struct Node **param_types;
             struct Node *return_type;
-            struct Node **body;
+            struct Node *body;
         } fun;
+
+        // Block statements.
+        struct {
+            struct Node **expr;
+        } block;
     };
 } Node;