Lua message sending.

README.md

@@ -96,7 +96,7 @@ Alternatively, you may want to embed the server in your application, the same wh
 
 #### Lua support
 
-To profile Lua code using tracy, include the `tracy/TracyLua.hpp` header file in your Lua wrapper and execute `tracy::LuaRegister( lua_State* )` function to add instrumentation support. In your Lua code, add `tracy.ZoneBegin()` and `tracy.ZoneEnd()` calls to mark execution zones. Double check if you have included all return paths!
+To profile Lua code using tracy, include the `tracy/TracyLua.hpp` header file in your Lua wrapper and execute `tracy::LuaRegister( lua_State* )` function to add instrumentation support. In your Lua code, add `tracy.ZoneBegin()` and `tracy.ZoneEnd()` calls to mark execution zones. Double check if you have included all return paths! Use `tracy.Message( text )` to send messages.
 
 Even if tracy is disabled, you still have to pay the no-op function call cost. To prevent that you may want to use the `tracy::LuaRemove( char* script )` function, which will replace instrumentation calls with whitespace. This function does nothing if profiler is enabled.
 

TracyLua.hpp

@@ -20,6 +20,8 @@ static inline void LuaRegister( lua_State* L )
     lua_setfield( L, -2, "ZoneBegin" );
     lua_pushcfunction( L, detail::noop );
     lua_setfield( L, -2, "ZoneEnd" );
+    lua_pushcfunction( L, detail::noop );
+    lua_setfield( L, -2, "Message" );
     lua_setglobal( L, "tracy" );
 }
 
@@ -27,7 +29,9 @@ static inline void LuaRemove( char* script )
 {
     while( *script )
     {
-        if( strncmp( script, "tracy.Zone", 10 ) == 0 )
+        if( strncmp( script, "tracy.", 6 ) == 0 )
+        {
+            if( strncmp( script + 6, "Zone", 4 ) == 0 )
             {
                 if( strncmp( script + 10, "End()", 5 ) == 0 )
                 {
@@ -44,6 +48,24 @@ static inline void LuaRemove( char* script )
                     script += 10;
                 }
             }
+            else if( strncmp( script + 6, "Message(", 8 ) == 0 )
+            {
+                unsigned int cnt = 1;
+                auto end = script + 14;
+                while( cnt != 0 )
+                {
+                    if( *end == '(' ) cnt++;
+                    else if( *end == ')' ) cnt--;
+                    end++;
+                }
+                memset( script, ' ', end - script );
+                script = end;
+            }
+            else
+            {
+                script += 6;
+            }
+        }
         else
         {
             script++;
@@ -117,6 +139,26 @@ static inline int LuaZoneEnd( lua_State* L )
     return 0;
 }
 
+static inline int LuaMessage( lua_State* L )
+{
+    auto txt = lua_tostring( L, 1 );
+    const auto size = strlen( txt );
+
+    Magic magic;
+    auto& token = s_token.ptr;
+    auto ptr = (char*)tracy_malloc( size+1 );
+    memcpy( ptr, txt, size );
+    ptr[size] = '\0';
+    auto& tail = token->get_tail_index();
+    auto item = token->enqueue_begin<moodycamel::CanAlloc>( magic );
+    item->hdr.type = QueueType::Message;
+    item->message.time = Profiler::GetTime();
+    item->message.thread = GetThreadHandle();
+    item->message.text = (uint64_t)ptr;
+    tail.store( magic + 1, std::memory_order_release );
+    return 0;
+}
+
 }
 
 static inline void LuaRegister( lua_State* L )
@@ -126,6 +168,8 @@ static inline void LuaRegister( lua_State* L )
     lua_setfield( L, -2, "ZoneBegin" );
     lua_pushcfunction( L, detail::LuaZoneEnd );
     lua_setfield( L, -2, "ZoneEnd" );
+    lua_pushcfunction( L, detail::LuaMessage );
+    lua_setfield( L, -2, "Message" );
     lua_setglobal( L, "tracy" );
 }