From bab4b821dc6bcee4ff86751743762584c17e9103 Mon Sep 17 00:00:00 2001
From: kaizhangNV <149626564+kaizhangNV@users.noreply.github.com>
Date: Wed, 31 Jul 2024 15:03:27 -0500
Subject: Feature/replayer (#4750)

* record/replay: Implement the json consumer

Finish the implementation of json consumer.

Fix some bug in the block processing as Tailer is not a necessary block
so if the Magic bit is "HEAD", we should keep processing.

* record/replay: Implement the replayer component

Implement the replayer consumer, and also finish the slang-replay
standalone app that will run the while replayer.

It can take an option "--convert-json | -cj" which will convert
the record binary file to a human readable json file.

If there is no option provided, it will replay the record file by
default.

TODO: #4764 is created to remove the std::filesystem usage.
---
 source/slang-record-replay/util/record-utility.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'source/slang-record-replay/util/record-utility.cpp')

diff --git a/source/slang-record-replay/util/record-utility.cpp b/source/slang-record-replay/util/record-utility.cpp
index 8bf89ea67..ea7618e81 100644
--- a/source/slang-record-replay/util/record-utility.cpp
+++ b/source/slang-record-replay/util/record-utility.cpp
@@ -6,6 +6,7 @@
 #include <mutex>
 
 #include "record-utility.h"
+#include "../../core/slang-string-util.h"
 
 constexpr const char* kRecordLayerEnvVar = "SLANG_RECORD_LAYER";
 constexpr const char* kRecordLayerLogLevel = "SLANG_RECORD_LOG_LEVEL";
@@ -74,9 +75,13 @@ namespace SlangRecord
             return;
         }
 
+        Slang::StringBuilder builder;
+
         va_list args;
         va_start(args, fmt);
-        vfprintf(stdout, fmt, args);
+        Slang::StringUtil::append(fmt, args, builder);
         va_end(args);
+
+        fprintf(stdout, "[slang-record-replay]: %s", builder.begin());
     }
 }
-- 
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