From 2fc285f5bc16ff4ebcb877a8369021e801c8020b Mon Sep 17 00:00:00 2001
From: Bijan Naimi <bijanrnaimi@gmail.com>
Date: Mon, 26 Dec 2022 17:27:05 -0800
Subject: [PATCH] removing preceding whitespaces, tabs, and newlines for evals
 only

---
 vm/src/stdlib/builtins.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/vm/src/stdlib/builtins.rs b/vm/src/stdlib/builtins.rs
index 9fb8e6d74..6380c2343 100644
--- a/vm/src/stdlib/builtins.rs
+++ b/vm/src/stdlib/builtins.rs
@@ -256,6 +256,15 @@ mod builtins {
                     ));
                 }
 
+                // Check for newlines, tabs, or whitespaces at start
+                let wsp_arr = [9, 10, 32];
+                let mut i = 0;
+                while i < source.len() && wsp_arr.contains(&source[i]) {
+                    i = i + 1;
+                }
+                // Slice off whitespaces
+                let source = &source[i..source.len()];
+
                 let source = std::str::from_utf8(source).map_err(|err| {
                     let msg = format!(
                         "(unicode error) 'utf-8' codec can't decode byte 0x{:x?} in position {}: invalid start byte",