initialization macro to suppress the unused case warning

kiss/build-scripts/common-args.hxml

@@ -5,3 +5,4 @@
 -cp kiss/src
 -cp cloner/src
 -D analyzer-optimize
+--macro kiss.Kiss.setup()

kiss/src/kiss/Kiss.hx

@@ -161,6 +161,23 @@ class Kiss {
         #end
     }
 
+    /**
+     * Initializer macro: suppress some compiler warnings that Kiss code commonly generates
+     * Source: https://try.haxe.org/#10F18962 by @kLabz
+     */
+    public static macro function setup() {
+        haxe.macro.Context.onAfterTyping(function(_) {
+            haxe.macro.Context.filterMessages(function(msg) {
+                return switch (msg) {
+                    case Warning("This case is unused", _): false;
+                    case _: true;
+                };
+            });
+        });
+      
+        return macro {};
+    }
+
     /**
         Build macro: add fields to a class from a corresponding .kiss file
     **/

projects/kiss-vscode/config/build.hxml

@@ -5,5 +5,6 @@ args.hxml
 -lib kiss-vscode
 -lib kiss-tools
 -lib re-flex
+--macro kiss.Kiss.setup()
 KissConfig
 -js config.js

projects/kiss-vscode/src/Util.kiss

@@ -134,8 +134,7 @@
                     null)))))
 
 (function :Void showCompileError [errorMessage]
-    (ifLet [errorMessage (.join (filter (errorMessage.split "\n") ->[:String l] (= -1 (l.indexOf "This case is unused"))) "\n")
+    (ifLet [compileErrors (R.distinctMatches
-                compileErrors (R.distinctMatches
                                         (R.group
                                             (R.namedGroup "file"
                                                 (R.repeat (R.oneOf R.anyLetter R.anyDigit (R.escape "/")) 1) // filename

test.sh

@@ -15,12 +15,12 @@ fi
 # Test projects with test-project.sh
 if [ ! -z "$KISS_PROJECT" ]
 then
-    ./test-project.sh 2>&1 | grep -v "This case is unused"
+    ./test-project.sh
 # Test Kiss with utest cases in kiss/src/test/cases
 else
     if [ ! -z "$2" ]; then
-        haxe -D cases=$2 kiss/build-scripts/common-args.hxml kiss/build-scripts/common-test-args.hxml kiss/build-scripts/$KISS_TARGET/test.hxml 2>&1 | grep -v "This case is unused"
+        haxe -D cases=$2 kiss/build-scripts/common-args.hxml kiss/build-scripts/common-test-args.hxml kiss/build-scripts/$KISS_TARGET/test.hxml
     else
-        haxe kiss/build-scripts/common-args.hxml kiss/build-scripts/common-test-args.hxml kiss/build-scripts/$KISS_TARGET/test.hxml 2>&1 | grep -v "This case is unused"
+        haxe kiss/build-scripts/common-args.hxml kiss/build-scripts/common-test-args.hxml kiss/build-scripts/$KISS_TARGET/test.hxml
     fi
 fi