From 8a3a49250ce4a7e46ec9e90810a61d9f97aece3d Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 6 Jan 2025 14:44:06 -0300
Subject: Detail

Small improvement in line-tracing for internal debugging.
---
 lvm.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'lvm.c')

diff --git a/lvm.c b/lvm.c
index b6b18a69..73d7ee43 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1175,8 +1175,12 @@ void luaV_execute (lua_State *L, CallInfo *ci) {
     Instruction i;  /* instruction being executed */
     vmfetch();
     #if 0
-      /* low-level line tracing for debugging Lua */
-      printf("line: %d\n", luaG_getfuncline(cl->p, pcRel(pc, cl->p)));
+    { /* low-level line tracing for debugging Lua */
+      #include "lopnames.h"
+      int pcrel = pcRel(pc, cl->p);
+      printf("line: %d; %s (%d)\n", luaG_getfuncline(cl->p, pcrel),
+             opnames[GET_OPCODE(i)], pcrel);
+    }
     #endif
     lua_assert(base == ci->func.p + 1);
     lua_assert(base <= L->top.p && L->top.p <= L->stack_last.p);
-- 
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