diff --git a/generator/generator.lua b/generator/generator.lua
index 5098c2c..b1b8986 100644
--- a/generator/generator.lua
+++ b/generator/generator.lua
@@ -8,6 +8,7 @@ local script_args = {...}
 local COMPILER = script_args[1]
 local INTERNAL_GENERATION = script_args[2]:match("internal") and true or false
 local FREETYPE_GENERATION = script_args[2]:match("freetype") and true or false
+local COMMENTS_GENERATION = script_args[2]:match("comments") and true or false
 local IMGUI_PATH = os.getenv"IMGUI_PATH" or "../imgui"
 local CFLAGS = ""
 local CPRE,CTEST
@@ -31,10 +32,10 @@ if FREETYPE_GENERATION then
 end
 
 if COMPILER == "gcc" or COMPILER == "clang" then
-    CPRE = COMPILER..[[ -E -DIMGUI_DISABLE_OBSOLETE_FUNCTIONS -DIMGUI_API="" -DIMGUI_IMPL_API="" ]] .. CFLAGS
+    CPRE = COMPILER..(COMMENTS_GENERATION and " -C " or "")..[[ -E -DIMGUI_DISABLE_OBSOLETE_FUNCTIONS -DIMGUI_API="" -DIMGUI_IMPL_API="" ]] .. CFLAGS
     CTEST = COMPILER.." --version"
 elseif COMPILER == "cl" then
-    CPRE = COMPILER..[[ /E /DIMGUI_DISABLE_OBSOLETE_FUNCTIONS /DIMGUI_DEBUG_PARANOID /DIMGUI_API="" /DIMGUI_IMPL_API="" ]] .. CFLAGS
+    CPRE = COMPILER..(COMMENTS_GENERATION and " /C " or "")..[[ /E /DIMGUI_DISABLE_OBSOLETE_FUNCTIONS /DIMGUI_DEBUG_PARANOID /DIMGUI_API="" /DIMGUI_IMPL_API="" ]] .. CFLAGS
     CTEST = COMPILER
 else
     print("Working without compiler ")
@@ -63,6 +64,7 @@ assert(HAVE_COMPILER,"gcc, clang or cl needed to run script")
 print("HAVE_COMPILER",HAVE_COMPILER)
 print("INTERNAL_GENERATION",INTERNAL_GENERATION)
 print("FREETYPE_GENERATION",FREETYPE_GENERATION)
+print("COMMENTS_GENERATION",COMMENTS_GENERATION)
 print("CPRE",CPRE)
 --------------------------------------------------------------------------
 --this table has the functions to be skipped in generation