Add support for basic structs

Structs for now (and probably for the near future) are not allowed
to be passed by value, and instead you just pass a pointer to it.

Nested structs can also be defined, and they can be either anonymous,
or named (in which case only the members can access the type).

1 files changed, 7 insertions, 0 deletions

diff --git a/src/ast.h b/src/ast.h
index d1e904c..af7ef65 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -26,6 +26,7 @@
   F(OP_GT, ">")                                                                \
   F(OP_GEQ, ">=")                                                              \
   F(OP_ASSIGN, "=")                                                            \
+  F(OP_MEMBER, ".")                                                          \
   F(AST_LITERAL, "literal")                                                    \
   F(AST_FUNCCALL, "Function call")                                             \
   F(AST_CONDITIONAL, "conditional expression")                                 \
@@ -143,6 +144,12 @@ typedef struct ast_node {
             Node **args;
             int num_args;
         } call;
+
+        struct {
+            i64 offset;
+            Node *expr;
+            bool is_ptr;
+        } member;
     };
 } Node;