X-Git-Url: https://git.xonotic.org/?p=xonotic%2Fgmqcc.git;a=blobdiff_plain;f=ast.h;h=9b554214361258d9ddebf140e5107ccdaee7466f;hp=18f02a8e259f34da73ca4ecebbf94bdd4b1dcb00;hb=6009e2b3ea2768b2439010c9a77545bd9137b963;hpb=72106b0982d6948ff53c94df1cc3f8e9902f6ddf

diff --git a/ast.h b/ast.h
index 18f02a8..9b55421 100644
--- a/ast.h
+++ b/ast.h
@@ -151,6 +151,7 @@ typedef struct
 #define AST_FLAG_DEPRECATED   (1<<4)
 #define AST_FLAG_INCLUDE_DEF  (1<<5)
 #define AST_FLAG_IS_VARARG    (1<<6)
+#define AST_FLAG_ALIAS        (1<<7)
 #define AST_FLAG_TYPE_MASK (AST_FLAG_VARIADIC | AST_FLAG_NORETURN)
 
 /* Value
@@ -218,6 +219,13 @@ ast_expression* ast_type_copy(lex_ctx ctx, const ast_expression *ex);
 void ast_type_adopt_impl(ast_expression *self, const ast_expression *other);
 void ast_type_to_string(ast_expression *e, char *buf, size_t bufsize);
 
+typedef enum ast_binary_ref_s {
+    AST_REF_LEFT  = 1 << 1,
+    AST_REF_RIGHT = 1 << 2,
+    AST_REF_ALL   = (AST_REF_LEFT | AST_REF_RIGHT)
+} ast_binary_ref;
+
+
 /* Binary
  *
  * A value-returning binary expression.
@@ -229,6 +237,8 @@ struct ast_binary_s
     int             op;
     ast_expression *left;
     ast_expression *right;
+    ast_binary_ref  refs;
+    
 };
 ast_binary* ast_binary_new(lex_ctx    ctx,
                            int        op,