From e5a727c3e103a270601967503a74c984f40c7e35 Mon Sep 17 00:00:00 2001
From: Swastik Baranwal <swstkbaranwal@gmail.com>
Date: Tue, 18 Jul 2023 20:00:54 +0530
Subject: [PATCH] checker: fix error msg for index error for int ptr (#18896)

---
 vlib/v/checker/checker.v                         | 4 ++--
 vlib/v/checker/tests/int_ptr_array_index_err.out | 6 ++++++
 vlib/v/checker/tests/int_ptr_array_index_err.vv  | 6 ++++++
 3 files changed, 14 insertions(+), 2 deletions(-)
 create mode 100644 vlib/v/checker/tests/int_ptr_array_index_err.out
 create mode 100644 vlib/v/checker/tests/int_ptr_array_index_err.vv

diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index 465abd4dd..378d36241 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -4076,9 +4076,9 @@ fn (mut c Checker) check_index(typ_sym &ast.TypeSymbol, index ast.Expr, index_ty
 			&& (index_type_sym.info as ast.Alias).parent_type.is_int())
 			|| (c.pref.translated && index_type.is_any_kind_of_pointer())) {
 			type_str := if typ_sym.kind == .string {
-				'non-integer string index `${index_type_sym.name}`'
+				'non-integer string index `${c.table.type_to_str(index_type)}`'
 			} else {
-				'non-integer index `${index_type_sym.name}` (array type `${typ_sym.name}`)'
+				'non-integer index `${c.table.type_to_str(index_type)}` (array type `${typ_sym.name}`)'
 			}
 			c.error('${type_str}', pos)
 		}
diff --git a/vlib/v/checker/tests/int_ptr_array_index_err.out b/vlib/v/checker/tests/int_ptr_array_index_err.out
new file mode 100644
index 000000000..f42a700e0
--- /dev/null
+++ b/vlib/v/checker/tests/int_ptr_array_index_err.out
@@ -0,0 +1,6 @@
+vlib/v/checker/tests/int_ptr_array_index_err.vv:5:14: error: non-integer index `&int` (array type `[]u8`)
+    3 |         offset += 4
+    4 |     }
+    5 |     return bytes[offset]
+      |                 ~~~~~~~~
+    6 | }
diff --git a/vlib/v/checker/tests/int_ptr_array_index_err.vv b/vlib/v/checker/tests/int_ptr_array_index_err.vv
new file mode 100644
index 000000000..f86d686a1
--- /dev/null
+++ b/vlib/v/checker/tests/int_ptr_array_index_err.vv
@@ -0,0 +1,6 @@
+pub fn read_int(bytes []u8, mut offset &int) int {
+	defer {
+		offset += 4
+	}
+	return bytes[offset]
+}
-- 
2.39.5