Add data structures for index expressions

1 files changed, 12 insertions, 0 deletions

diff --git a/ast.c b/ast.c
index ccbe65c..0a45e22 100644
--- a/ast.c
+++ b/ast.c
@@ -399,6 +399,18 @@ ast_expression_new_dot (ast_expression_t *left,
 }
 
 ast_expression_t *
+ast_expression_new_index (ast_expression_t *left,
+			  ast_expression_t *right)
+{
+    ast_expression_t *expr = expression_new (AST_INDEX_EXPRESSION);
+
+    expr->index.left = left;
+    expr->index.right = right;
+
+    return expr;
+}
+
+ast_expression_t *
 ast_expression_new_void (void)
 {
     return expression_new (AST_VOID_EXPRESSION);