From 7ecd65221eb4810204aad203fe0eff73df3142bd Mon Sep 17 00:00:00 2001
From: Delyan Angelov <delian66@gmail.com>
Date: Sat, 7 May 2022 09:16:51 +0300
Subject: [PATCH] v.util: support -d trace_cached_read_source_file

---
 vlib/v/util/util.v | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/vlib/v/util/util.v b/vlib/v/util/util.v
index e2d49d1769..0178ef749d 100644
--- a/vlib/v/util/util.v
+++ b/vlib/v/util/util.v
@@ -294,6 +294,9 @@ pub fn cached_read_source_file(path string) ?string {
 		cache = &SourceCache{}
 	}
 
+	$if trace_cached_read_source_file ? {
+		println('cached_read_source_file            $path')
+	}
 	if path.len == 0 {
 		unsafe { cache.sources.free() }
 		unsafe { free(cache) }
@@ -304,9 +307,15 @@ pub fn cached_read_source_file(path string) ?string {
 	// eprintln('>> cached_read_source_file path: $path')
 	if res := cache.sources[path] {
 		// eprintln('>> cached')
+		$if trace_cached_read_source_file_cached ? {
+			println('cached_read_source_file     cached $path')
+		}
 		return res
 	}
 	// eprintln('>> not cached | cache.sources.len: $cache.sources.len')
+	$if trace_cached_read_source_file_not_cached ? {
+		println('cached_read_source_file not cached $path')
+	}
 	raw_text := os.read_file(path) or { return error('failed to open $path') }
 	res := skip_bom(raw_text)
 	cache.sources[path] = res