Fix to improve debug logging

1 files changed, 16 insertions, 2 deletions

diff --git a/src/tokenizer.rs b/src/tokenizer.rs
index 0ab8784..8843e47 100644
--- a/src/tokenizer.rs
+++ b/src/tokenizer.rs
@@ -13,7 +13,14 @@ use crate::parser::ParseState;
 use crate::resolve::{call as call_resolve, Name as ResolveName};
 use crate::state::{call, State};
 use crate::util::{constant::TAB_SIZE, edit_map::EditMap};
-use alloc::{boxed::Box, string::String, vec, vec::Vec};
+use alloc::{
+    boxed::Box,
+    format,
+    string::{String, ToString},
+    vec,
+    vec::Vec,
+};
+use core::str;
 
 /// Containers.
 ///
@@ -714,7 +721,14 @@ fn push_impl(
                             None
                         };
 
-                    log::debug!("feed:    `{:?}` to {:?}", byte, name);
+                    let visible = byte.map(|d| {
+                        if (b' '..=b'~').contains(&d) {
+                            str::from_utf8(&[d]).unwrap().to_string()
+                        } else {
+                            format!("0x{:x}", d)
+                        }
+                    });
+                    log::debug!("feed:    `{:?}` to {:?}", visible, name);
                     tokenizer.expect(byte);
                     state = call(tokenizer, name);
                 };