From 67470aea034fd46f4bbcfe815c51ad3451043188 Mon Sep 17 00:00:00 2001
From: Ben Bridle <ben@derelict.engineering>
Date: Thu, 27 Feb 2025 14:53:21 +1300
Subject: Finish first working version of Torque

This is a huge and messy commit, worked on piecemeal while traveling
and while the language was still being designed.
---
 src/tokens/packed_binary_literal.rs | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

(limited to 'src/tokens/packed_binary_literal.rs')

diff --git a/src/tokens/packed_binary_literal.rs b/src/tokens/packed_binary_literal.rs
index 1252398..a2720b7 100644
--- a/src/tokens/packed_binary_literal.rs
+++ b/src/tokens/packed_binary_literal.rs
@@ -2,17 +2,13 @@ use crate::*;
 
 
 pub struct PackedBinaryLiteral {
+    pub source: SourceSpan,
     pub value: usize,
+    pub bits: usize,
     pub fields: Vec<BitField>,
     pub errors: Vec<PackedBinaryLiteralParseError>,
 }
 
-impl PackedBinaryLiteral {
-    pub fn from_str(string: &str, parent: &Tokeniser) -> Self {
-        parse_packed_binary_literal(string, parent)
-    }
-}
-
 pub struct BitField {
     pub name: char,
     pub source: SourceSpan,
@@ -40,7 +36,8 @@ impl std::fmt::Display for PackedBinaryLiteral {
         } else {
             let bitcount = (self.value.ilog2() + 1) as usize;
             'bit: for i in (0..bitcount).rev() {
-                if (i+1) % 4 == 0 {
+                let is_first_bit = i+1 == bitcount;
+                if !is_first_bit && (i+1) % 4 == 0 {
                     write!(f, "_")?;
                 }
                 for field in &self.fields {
-- 
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