Tweaks to array implementation, including changing how the bits are

allocated, making more explicit checks for refcounts and max values,
optimizations for certain methods, and adding compile-time errors for
arrays that hold items that are too large.

1 files changed, 5 insertions, 2 deletions

diff --git a/compile.c b/compile.c
index 3891f66e..1692d12b 100644
--- a/compile.c
+++ b/compile.c
@@ -1633,12 +1633,15 @@ CORD compile(env_t *env, ast_t *ast)
             "})");
     }
     case Array: {
+        type_t *array_type = get_type(env, ast);
+        if (padded_type_size(Match(array_type, ArrayType)->item_type) > ARRAY_MAX_STRIDE)
+            code_err(ast, "This array holds items that take up %ld bytes, but the maximum supported size is %ld bytes. Consider using an array of pointers instead.",
+                     padded_type_size(Match(array_type, ArrayType)->item_type), ARRAY_MAX_STRIDE);
+
         auto array = Match(ast, Array);
         if (!array->items)
             return "(array_t){.length=0}";
 
-        type_t *array_type = get_type(env, ast);
-
         int64_t n = 0;
         for (ast_list_t *item = array->items; item; item = item->next) {
             ++n;