1 files changed, 83 insertions, 0 deletions
diff --git a/rba.tool.editor/src/rba/tool/editor/validation/validators/SetPropertyValidator.xtend b/rba.tool.editor/src/rba/tool/editor/validation/validators/SetPropertyValidator.xtend
new file mode 100644
index 0000000..15abc53
--- /dev/null
+++ b/rba.tool.editor/src/rba/tool/editor/validation/validators/SetPropertyValidator.xtend
@@ -0,0 +1,83 @@
+package rba.tool.editor.validation.validators
+
+import org.eclipse.emf.ecore.EObject
+import org.eclipse.xtext.validation.Check
+import org.eclipse.xtext.validation.EValidatorRegistrar
+import rba.core.ExpressionType
+import rba.core.IntegerProperty
+import rba.core.ObjectReference
+import rba.core.RBACorePackage
+import rba.core.Scene
+import rba.core.SetProperty
+import rba.tool.editor.messages.Messages
+import rba.tool.editor.validation.AbstractRBAModelValidator
+import rba.core.IntegerValue
+import org.eclipse.xtext.EcoreUtil2
+import rba.core.PreviousModifier
+
+class SetPropertyValidator extends AbstractRBAModelValidator {
+
+	private String SETPROPERTY_OPERAND_SIZE_CHECK = Messages.SETPROPERTY_OPERAND_SIZE_CHECK;
+
+	private String SETPROPERTY_OPERAND_0_TYPE_CHECK = Messages.SETPROPERTY_OPERAND_0_TYPE_CHECK;
+
+	private String SETPROPERTY_OPERAND_ISGLOBALSCENE = Messages.SETPROPERTY_OPERAND_ISGLOBALSCENE;
+
+	private String SETPROPERTY_OPERAND_1_TYPE_CHECK = Messages.SETPROPERTY_OPERAND_1_TYPE_CHECK;
+
+	private String SETPROPERTY_PROPERTY_NEGATIVE = Messages.SETPROPERTY_PROPERTY_NEGATIVE
+
+	private String OPERAND_CANNOT_USE_PRE = Messages.OPERAND_CANNOT_USE_PRE;
+
+	override register(EValidatorRegistrar registrar) {
+		// not needed for classes used as ComposedCheck
+	}
+
+	@Check(NORMAL)
+	def checkSetProperty(SetProperty setProperty) {
+		if (setProperty.operand.size < 2) {
+			error(SETPROPERTY_OPERAND_SIZE_CHECK, RBACorePackage.Literals.OPERATOR__OPERAND)
+			return;
+		}
+		var operand0 = setProperty.operand.get(0)
+		if (operand0.type != ExpressionType.PROPERTY) {
+			error(SETPROPERTY_OPERAND_0_TYPE_CHECK, RBACorePackage.Literals.OPERATOR__OPERAND)
+			return;
+		}
+		if (operand0 instanceof PreviousModifier || EcoreUtil2.getAllContentsOfType(operand0, PreviousModifier).size != 0) {
+				error(String.format(OPERAND_CANNOT_USE_PRE, setProperty.symbol), RBACorePackage.Literals.OPERATOR__OPERAND)
+				return;
+		}
+		if (operand0 instanceof ObjectReference) {
+			var parent = isParentScene(operand0.refObject)
+			if (parent !== null) {
+				var scene = parent as Scene
+				if (!scene.global) {
+					error(SETPROPERTY_OPERAND_ISGLOBALSCENE, RBACorePackage.Literals.OPERATOR__OPERAND)
+					return;
+				}
+			}
+		}
+		var operand1 = setProperty.operand.get(1)
+		if (!(operand1 instanceof IntegerValue)) {
+			error(SETPROPERTY_OPERAND_1_TYPE_CHECK, RBACorePackage.Literals.OPERATOR__OPERAND)
+			return;
+		}
+		if (operand1 instanceof IntegerValue) {
+			if(operand1.getValue() < 0) {
+				error(SETPROPERTY_PROPERTY_NEGATIVE, RBACorePackage.Literals.OPERATOR__OPERAND)
+				return;
+			}
+		}
+	}
+
+	def EObject isParentScene(EObject object) {
+		if (object instanceof Scene) {
+			return object as Scene;
+		}
+		if (object instanceof IntegerProperty) {
+			return isParentScene(object.owner)
+		}
+		return null;
+	}
+}