Notepad++ | NppExec SourceMod Script and Console Highlight

Highlight

1. Open Plugins > NppExec > Console Filters > Highlight (or default SHIFT+F6) 
2. Add Highlight mask

%FILE%(%LINE%) : error *
Red: 99
Green: 00
Blue: 00
Check: B

%FILE%(%LINE%) : warning *
Red: 00
Green: 50
Blue: 99
Check: I

Script

1. Open Plugins > NppExec > Execute...
2. Copy & paste code below and save (Don't forget to edit comp and scrds variables)

npp_console -

// SM Compiler Path
set comp = G:\srcds\Pawn\fresh\sm-1.10.0\addons\sourcemod\scripting
// SMX Output File Path
set srcds = D:\srcds\l4d2\left4dead2\addons\sourcemod\plugins

npp_save
npp_console +
"$(comp)\spcomp.exe" -D "$(CURRENT_DIRECTORY)" "$(FILE_NAME)"
npp_console -

if $(EXITCODE) == 0 then
if "$(CURRENT_DIRECTORY)" != "$(srcds)" then
set smx = "$(CURRENT_DIRECTORY)\$(NAME_PART).smx"
cmd /c copy $(smx) "$(srcds)"
cmd /c del $(smx)
endif
endif

npp_console +
echo Compiled to $(srcds)\$(NAME_PART).smx

Result