From 44fab2a44d06a956c3121ceba2b39ca7b00dc428 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 29 May 2023 09:39:03 -0300
Subject: Code size stored in code itself

Most patterns do not have code, as they are not directly used for
a match; they are created only to compose larger patterns. So, we
shouldn't waste space to store the size of their code, as a NULL
pointer already indicates that the size is zero.
---
 lpprint.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lpprint.c')

diff --git a/lpprint.c b/lpprint.c
index 3e7e7f2..54a3da7 100644
--- a/lpprint.c
+++ b/lpprint.c
@@ -137,8 +137,9 @@ void printinst (const Instruction *op, const Instruction *p) {
 }
 
 
-void printpatt (Instruction *p, int n) {
+void printpatt (Instruction *p) {
   Instruction *op = p;
+  uint n = op[-1].codesize - 1;
   while (p < op + n) {
     printinst(op, p);
     p += sizei(p);
-- 
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