tpinna před 10 roky
rodič
revize
1ad06c3e74
1 změnil soubory, kde provedl 38 přidání a 23 odebrání
  1. 38 23
      integration/code/pn_interface.alc

+ 38 - 23
integration/code/pn_interface.alc

@@ -378,6 +378,7 @@ Element function mergeLHSNAC(tf_er_lhs : Element, tf_er_nac: Element):
 	Element lhs_match_key
 	Boolean allow_match
 	Integer nac_index
+	Boolean plabel_match_exists
 	while(list_len(tf_er_lhs) > 0):
 		lhs_match = set_pop(tf_er_lhs)
 		allow_match=True
@@ -386,11 +387,15 @@ Element function mergeLHSNAC(tf_er_lhs : Element, tf_er_nac: Element):
 			nac_match = list_read(tf_er_nac, nac_index)
 			nac_index = nac_index + 1 
 			lhs_match_keys = dict_keys(lhs_match)
+			plabel_match_exists = False //we assume that the nac prohibits all
 			while (bool_and(read_nr_out(lhs_match_keys)>0, allow_match)):
 				lhs_match_key = set_pop(lhs_match_keys)
 				if dict_in(nac_match, lhs_match_key):
+					plabel_match_exists = True //the assumption is disproved, which means we can continue looking
 					if (element_eq(nac_match[lhs_match_key]["hn"],lhs_match[lhs_match_key]["hn"])):
 						allow_match = False
+			if bool_not(plabel_match_exists): //if the assumption is not disproved, the nac prohibits all matches and no matches should remain after merge
+				return create_node()
 		if (allow_match):
 			list_append(final_matches, lhs_match)
 	return final_matches
@@ -419,6 +424,13 @@ Element function extractPivots(final_matches : Element, tf_er_transformation : E
 					dict_add(pivots, pivotOutName, create_node())
 				set_add(pivots[pivotOutName], getName(tf_er_model,lhs_match[lhs_match_key]["hn"]))
 	return 0
+
+Element function cast_set2list(sset:Element):
+	Element rreturnlist
+	rreturnlist = create_node()
+	while (read_nr_out(sset) > 0):
+		list_append(rreturnlist, set_pop(sset))
+	return rreturnlist
 	
 Element function rhs_rewrite(final_matches : Element,plabel_to_rhsnode:Element, tf_er_transformation:Element, tf_er_model:Element ):
 	//loop over all matches
@@ -432,6 +444,7 @@ Element function rhs_rewrite(final_matches : Element,plabel_to_rhsnode:Element,
 	Element lhs_match
 	Integer source_plabel
 	Integer destination_plabel
+	Integer index
 	while (read_nr_out(final_matches)>0):
 		lhs_match = set_pop(final_matches)
 		//get set of plables
@@ -453,39 +466,44 @@ Element function rhs_rewrite(final_matches : Element,plabel_to_rhsnode:Element,
 			else: // if node doesn't match plabel with rhs
 				model_delete_element(tf_er_model, getName(tf_er_model, host_match_node))
 		//for each remaining rhs-key (it is not in the match, so should be added)
+		rhs_plabels = cast_set2list(rhs_plabels)
 		while (read_nr_out(rhs_plabels) > 0):
-			rhs_plabel = set_pop(rhs_plabels)
-			//if it is a node, than we can simply add it
-			if (bool_not(is_edge(plabel_to_rhsnode[rhs_plabel]))):
-				host_match_node = instantiate_node(tf_er_model, string_substr(getTypeName(tf_er_transformation, plabel_to_rhsnode[rhs_plabel]), 0,-4), "")
-				//run the function
-				rhs_action = read_attribute(tf_er_transformation,getName(tf_er_transformation, plabel_to_rhsnode[rhs_plabel]), "function")
-				rhs_action = tf_er_transformation["actions"][rhs_action]
-				rhs_action(tf_er_model, tf_er_model["model"][host_match_node])
-			else:
-				//if it is an edge, we can only add it of source and edge exist, else we have to store the edge and get it later
-				source_plabel = read_attribute(tf_er_transformation, getName(tf_er_transformation, read_edge_src(plabel_to_rhsnode[rhs_plabel]) ) , "plabel")
-				destination_plabel = read_attribute(tf_er_transformation, getName(tf_er_transformation, read_edge_dst(plabel_to_rhsnode[rhs_plabel]) ) , "plabel")
-				if(bool_and(dict_in(rhs_to_host, source_plabel), dict_in(rhs_to_host, destination_plabel))):
-					rhs_action =  instantiate_link(tf_er_model, string_substr(getTypeName(tf_er_transformation, plabel_to_rhsnode[rhs_plabel]), 0,-4), "", getName(tf_er_transformation, read_edge_src(plabel_to_rhsnode[rhs_plabel])),  getName(tf_er_transformation, read_edge_dst(plabel_to_rhsnode[rhs_plabel])))
-					//run function
+			//rhs_plabel = set_pop(rhs_plabels)
+			index = 0
+			while(index < read_nr_out(rhs_plabels)):
+				rhs_plabel = list_read(rhs_plabels, index)
+				//if it is a node, than we can simply add it
+				if (bool_not(is_edge(plabel_to_rhsnode[rhs_plabel]))):
+					host_match_node = instantiate_node(tf_er_model, string_substr(getTypeName(tf_er_transformation, plabel_to_rhsnode[rhs_plabel]), 0,-4), "")
+					//run the function
 					rhs_action = read_attribute(tf_er_transformation,getName(tf_er_transformation, plabel_to_rhsnode[rhs_plabel]), "function")
 					rhs_action = tf_er_transformation["actions"][rhs_action]
 					rhs_action(tf_er_model, tf_er_model["model"][host_match_node])
+					list_delete(rhs_plabels,index)
 				else:
-					//TODO this is wrong and might cause an infinite loop
-					set_add(rhs_plabels, rhs_plabel)
+					//if it is an edge, we can only add it of source and edge exist, else we have to store the edge and get it later
+					source_plabel = read_attribute(tf_er_transformation, getName(tf_er_transformation, read_edge_src(plabel_to_rhsnode[rhs_plabel]) ) , "plabel")
+					destination_plabel = read_attribute(tf_er_transformation, getName(tf_er_transformation, read_edge_dst(plabel_to_rhsnode[rhs_plabel]) ) , "plabel")
+					if(bool_and(dict_in(rhs_to_host, source_plabel), dict_in(rhs_to_host, destination_plabel))):
+						rhs_action =  instantiate_link(tf_er_model, string_substr(getTypeName(tf_er_transformation, plabel_to_rhsnode[rhs_plabel]), 0,-4), "", getName(tf_er_transformation, read_edge_src(plabel_to_rhsnode[rhs_plabel])),  getName(tf_er_transformation, read_edge_dst(plabel_to_rhsnode[rhs_plabel])))
+						//run function
+						rhs_action = read_attribute(tf_er_transformation,getName(tf_er_transformation, plabel_to_rhsnode[rhs_plabel]), "function")
+						rhs_action = tf_er_transformation["actions"][rhs_action]
+						rhs_action(tf_er_model, tf_er_model["model"][host_match_node])
+						list_delete(rhs_plabels,index)
+					else:
+						index = index + 1
 
 	return 0
 	
 Element function tf_executeFRule(tf_er_transformation: Element,tf_er_rule: Element, tf_er_model: Element):
 	
 	//find LHS
-	//TODO if no lhs (is this allowed to happen?) // or empty lhs
 	Element tf_er_lhs
 	tf_er_lhs = allOutgoingAssociationInstances(tf_er_transformation, tf_er_rule, dict_read(dict_read(dict_read(tf_er_transformation, "metamodel"), "model"), "lhs"))
 	Integer nr_of_lhs_nodes
 	nr_of_lhs_nodes = read_nr_out(tf_er_lhs)
+	//match lhses
 	tf_er_lhs = tf_matchAll(tf_er_transformation, read_edge_dst(set_pop(tf_er_lhs)), tf_er_model)
 	Integer nr_of_lhs_matches
 	nr_of_lhs_matches = list_len(tf_er_lhs)
@@ -495,7 +513,7 @@ Element function tf_executeFRule(tf_er_transformation: Element,tf_er_rule: Eleme
 	nr_of_nac_matches = 0
 	Element tf_er_nac
 	tf_er_nac = create_node()
-	if(nr_of_lhs_matches > 0):
+	if(bool_or(nr_of_lhs_matches > 0, nr_of_lhs_nodes==0)):
 		Element tf_er_nac_
 		tf_er_nac_ = allOutgoingAssociationInstances(tf_er_transformation, tf_er_rule, dict_read(dict_read(dict_read(tf_er_transformation, "metamodel"), "model"), "nac"))
 		Element partial_nac_matches
@@ -512,7 +530,6 @@ Element function tf_executeFRule(tf_er_transformation: Element,tf_er_rule: Eleme
 			return False
 	
 	//remove from lhs matches that share a node with a nac match
-	//TODO if nac is not related to match (no plabels match)
 	Element final_matches
 	final_matches = mergeLHSNAC(tf_er_lhs, tf_er_nac)
 	
@@ -581,7 +598,7 @@ Element function tf_executeARule(tf_er_transformation: Element,tf_er_rule: Eleme
 	nr_of_nac_matches = 0
 	Element tf_er_nac
 	tf_er_nac = create_node()
-	if(nr_of_lhs_matches > 0):
+	if(bool_or(nr_of_lhs_matches > 0, nr_of_lhs_nodes==0)):
 		Element tf_er_nac_
 		tf_er_nac_ = allOutgoingAssociationInstances(tf_er_transformation, tf_er_rule, dict_read(dict_read(dict_read(tf_er_transformation, "metamodel"), "model"), "nac"))
 		Element partial_nac_matches
@@ -598,7 +615,6 @@ Element function tf_executeARule(tf_er_transformation: Element,tf_er_rule: Eleme
 			return False
 	
 	//remove from lhs matches that share a node with a nac match
-	//TODO if nac is not related to match (no plabels match)
 	Element final_matches
 	final_matches = mergeLHSNAC(tf_er_lhs, tf_er_nac)
 	
@@ -642,7 +658,6 @@ Element function tf_executeARule(tf_er_transformation: Element,tf_er_rule: Eleme
 
 Element function executeRuleBlock(transformation_model : Element,hostmodel:Element, ruleblock : Element):
 	//execute the correct ruletype
-	//TODO define decent succes_value
 	String typename
 	typename = getTypeName(transformation_model, ruleblock)
 	Boolean succes