dqn: Add MSVC SAL annotations

build.bat

@@ -5,8 +5,7 @@ set code_dir=%~dp0
 if not exist Build mkdir Build
 pushd Build
 
-    REM Flags
-    REM ------------------------------------------------------------------------
+    REM Flags ==================================================================
     REM MT     Static CRT
     REM EHa-   Disable exception handling
     REM GR-    Disable C RTTI
@@ -15,24 +14,22 @@ pushd Build
     REM Z7     Combine multi-debug files to one debug file
     REM wd4201 Nonstandard extension used: nameless struct/union
     REM Tp     Treat header file as CPP source file
-    set compile_flags=-MT -EHa -GR- -Od -Oi -Z7 -wd4201 -D DQN_TEST_WITH_MAIN -nologo
+    set compile_flags=-MT -EHa -GR- -Od -Oi -Z7 -wd4201 -W4 -WX -D DQN_TEST_WITH_MAIN -nologo -analyze
     set linker_flags=-link -nologo
     set msvc_flags=-fsanitize=address
     set clang_flags=-fsanitize=address,undefined
 
-    REM Compiler: MSVC cl
-    REM ------------------------------------------------------------------------
+    REM Compiler: MSVC cl ======================================================
     where /q cl || (
         echo [ERROR] cl is not found, please put MSVC's cl on the path
         exit /b 1
     )
-    cl %compile_flags% %msvc_flags% %code_dir%\Misc\dqn_unit_tests.cpp -I %code_dir% /Fe:dqn_unit_tests_msvc %link_flags%
+    cl %compile_flags% %msvc_flags% %code_dir%\Misc\dqn_unit_tests.cpp -I %code_dir% /Fe:dqn_unit_tests_msvc %link_flags% || exit /b 1
 
-    REM Compiler: clang-cl
-    REM ------------------------------------------------------------------------
+    REM Compiler: clang-cl =====================================================
     where /q clang-cl || (
         echo [WARN] Optional clang compile via clang-cl if it's in the path, please put clang-cl on the path for this feature
-        exit /b 1
+        exit /b 0
     )
     clang-cl -D DQN_TEST_WITH_MAIN %code_dir%\Misc\dqn_unit_tests.cpp -I %code_dir% /Fe:dqn_unit_tests_clang -link
 popd