Almost done

examples/pragma_test.marte

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+//!allow(unused): Ignore unused GAMs in this file
+//!allow(implicit): Ignore implicit signals in this file
+
++Data = {
+    Class = ReferenceContainer
+    +MyDS = {
+        Class = FileReader
+        Filename = "test"
+        Signals = {}
+    }
+}
+
++MyGAM = {
+    Class = IOGAM
+    InputSignals = {
+        // Implicit signal (not in MyDS)
+        ImplicitSig = {
+            DataSource = MyDS
+            Type = uint32
+        }
+    }
+}
+
+// Unused GAM
++UnusedGAM = {
+    Class = IOGAM
+}