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package hu.bme.mit.inf.dslreasoner.viatra2logic
import hu.bme.mit.inf.dslreasoner.ecore2logic.Ecore2Logic
import hu.bme.mit.inf.dslreasoner.ecore2logic.Ecore2Logic_Trace
import hu.bme.mit.inf.dslreasoner.logic.model.builder.LogicProblemBuilder
import hu.bme.mit.inf.dslreasoner.logic.model.builder.TracedOutput
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.ComplexTypeReference
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.PrimitiveTypeReference
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.RelationDefinition
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.Type
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.TypeReference
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.Variable
import hu.bme.mit.inf.dslreasoner.logic.model.logicproblem.LogicProblem
import hu.bme.mit.inf.dslreasoner.viatra2logic.viatra2logicannotations.TransfomedViatraQuery
import hu.bme.mit.inf.dslreasoner.viatra2logic.viatra2logicannotations.Viatra2LogicAnnotationsFactory
import java.util.ArrayList
import java.util.HashMap
import java.util.HashSet
import java.util.LinkedList
import java.util.List
import java.util.Map
import java.util.Set
import org.eclipse.emf.ecore.EAttribute
import org.eclipse.emf.ecore.EClassifier
import org.eclipse.emf.ecore.EEnum
import org.eclipse.emf.ecore.EReference
import org.eclipse.emf.ecore.EStructuralFeature
import org.eclipse.emf.ecore.EcorePackage
import org.eclipse.viatra.query.runtime.api.IQuerySpecification
import org.eclipse.viatra.query.runtime.emf.EMFQueryMetaContext
import org.eclipse.viatra.query.runtime.emf.types.BaseEMFTypeKey
import org.eclipse.viatra.query.runtime.emf.types.EClassTransitiveInstancesKey
import org.eclipse.viatra.query.runtime.emf.types.EDataTypeInSlotsKey
import org.eclipse.viatra.query.runtime.matchers.context.IInputKey
import org.eclipse.viatra.query.runtime.matchers.context.common.JavaTransitiveInstancesKey
import org.eclipse.viatra.query.runtime.matchers.planning.helpers.TypeHelper
import org.eclipse.viatra.query.runtime.matchers.psystem.PBody
import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable
import org.eclipse.viatra.query.runtime.matchers.psystem.basicdeferred.NegativePatternCall
import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PParameter
import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PQuery
import org.eclipse.viatra.query.runtime.matchers.psystem.rewriters.PBodyNormalizer
import org.eclipse.xtend.lib.annotations.Data
import static extension hu.bme.mit.inf.dslreasoner.util.CollectionsUtil.*
import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PDisjunction
import org.eclipse.emf.ecore.util.EcoreUtil
import org.eclipse.viatra.query.runtime.emf.types.EClassUnscopedTransitiveInstancesKey
@Data class ViatraQuerySetDescriptor {
val List<? extends IQuerySpecification<?>> patterns
val Set<? extends IQuerySpecification<?>> validationPatterns
val Map<IQuerySpecification<?>,EStructuralFeature> derivedFeatures
}
class Viatra2LogicTrace {
public val Map<PQuery, PDisjunction> query2Disjunction = new HashMap
public val Map<PQuery, RelationDefinition> query2Relation = new HashMap
public val Map<PQuery, TransfomedViatraQuery> query2Annotation = new HashMap
public val Map<Pair<PQuery,PParameter>, Variable> parameter2Variable = new HashMap
//public val Map<PVariable, Variable> variable2Variable = new HashMap
}
class Viatra2LogicConfiguration {
public var normalize = true
public var transitiveClosureDepth = 3
}
class Viatra2Logic {
val extension LogicProblemBuilder builder = new LogicProblemBuilder
val extension Viatra2LogicAnnotationsFactory factory = Viatra2LogicAnnotationsFactory.eINSTANCE
val normalizer = new PBodyNormalizer(EMFQueryMetaContext.DEFAULT)
val Ecore2Logic ecore2Logic
Constraint2Logic constraint2Logic
new(Ecore2Logic ecore2Logic) {
this.ecore2Logic = ecore2Logic
constraint2Logic = new Constraint2Logic(ecore2Logic)
}
def TracedOutput<LogicProblem,Viatra2LogicTrace> transformQueries(
ViatraQuerySetDescriptor queries,
TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace,
Viatra2LogicConfiguration config)
{
val viatra2LogicTrace = new Viatra2LogicTrace
val typeAlanysis = new HashMap
val pQueries = queries.patterns.map[it.internalQueryRepresentation]
for(query: pQueries) {
val disjunction = normalizer.rewrite(query)
viatra2LogicTrace.query2Disjunction.put(query,disjunction)
}
for(query: pQueries) {
val types = query.lookup(viatra2LogicTrace.query2Disjunction).bodies.toInvertedMap[
TypeHelper::inferUnaryTypesFor(it.uniqueVariables,it.constraints,EMFQueryMetaContext.DEFAULT)
]
// for(m : types.values) {
// for(n: m.entrySet) {
// val variable = n.key
// println(''' - «variable.name»''')
// for(type : n.value) {
// println('''«variable.name» - «type»''')
// }
// }
//
// }
typeAlanysis.put(query,types)
}
for(query: pQueries) {
try {
this.transformQueryHeader(query,query.lookup(typeAlanysis),ecore2LogicTrace,viatra2LogicTrace,config)
} catch(IllegalArgumentException e) {
throw new IllegalArgumentException('''
Unable to translate query "«query.fullyQualifiedName»".
Reason: «e.class.simpleName», «e.message»''',e)
}
}
for(query: pQueries) {
try {
this.transformQuerySpecification(query,query.lookup(typeAlanysis),ecore2LogicTrace,viatra2LogicTrace,config)
} catch (IllegalArgumentException e){
throw new IllegalArgumentException('''
Unable to translate query "«query.fullyQualifiedName»".
Reason: «e.class.simpleName», «e.message»''',e)
}
}
/*for(d : viatra2LogicTrace.query2Relation.values) {
checkDefinition(d)
}*/
transformQueryConstraints(
queries.validationPatterns.map[internalQueryRepresentation],
queries.derivedFeatures,
ecore2LogicTrace,viatra2LogicTrace)
return new TracedOutput(ecore2LogicTrace.output,viatra2LogicTrace)
}
def protected transformQueryHeader(
PQuery pquery,
Map<PBody, Map<PVariable, Set<IInputKey>>> types,
TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace,
Viatra2LogicTrace viatra2LogicTrace,
Viatra2LogicConfiguration config)
{
val relationName = '''pattern «pquery.fullyQualifiedName.replace('.',' ')»'''
val parameters = new ArrayList<Variable>(pquery.parameters.size)
for(vParam: pquery.parameters) {
val parameterName = '''parameter «vParam.name»'''
val parameterType = getType(vParam,types,ecore2LogicTrace)
if(parameterType === null) {
throw new AssertionError('''null type for parameter «vParam.name» in pattern «pquery.fullyQualifiedName»''')
}
val lParam = createVar(parameterName,parameterType)
viatra2LogicTrace.parameter2Variable.put(pquery->vParam,lParam)
parameters+=lParam
}
val lRelation = RelationDefinition(relationName,parameters,null)
viatra2LogicTrace.query2Relation.put(pquery,lRelation);
ecore2LogicTrace.output.relations += lRelation
val annotation = createTransfomedViatraQuery => [
it.target = lRelation
it.patternFullyQualifiedName = pquery.fullyQualifiedName
it.patternPQuery = pquery
]
viatra2LogicTrace.query2Annotation.put(pquery,annotation)
ecore2LogicTrace.output.annotations += annotation
return lRelation
}
def protected transformQuerySpecification(
PQuery pquery,
Map<PBody, Map<PVariable, Set<IInputKey>>> types,
TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace,
Viatra2LogicTrace viatra2LogicTrace,
Viatra2LogicConfiguration config)
{
val disjunction = pquery.lookup(viatra2LogicTrace.query2Disjunction)
val translatedBodies = new ArrayList(disjunction.bodies.size)
for(body : disjunction.bodies) {
translatedBodies+=body.transformBody(types,ecore2LogicTrace,viatra2LogicTrace,config)
}
val relation = pquery.lookup(viatra2LogicTrace.query2Relation)
relation.value = Or(translatedBodies)
}
def transformQueryConstraints(
Iterable<PQuery> validationPatterns,
Map<IQuerySpecification<?>,EStructuralFeature> derivedFeatures,
TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace,
Viatra2LogicTrace viatra2LogicTrace)
{
for(pquery : validationPatterns) {
val targetRelation = pquery.lookup(viatra2LogicTrace.query2Relation)
val constraint = Assertion('''errorpattern «pquery.fullyQualifiedName.replace('.',' ')»''',
Forall[
for(param: targetRelation.parameters) {
addVar('''p«targetRelation.parameters.indexOf(param)»''',
EcoreUtil::copy(param))
}
Not(targetRelation.call(it.variables))
]
)
val annotation = createTransformedViatraWellformednessConstraint => [
it.query = pquery.lookup(viatra2LogicTrace.query2Annotation)
it.target = constraint
]
ecore2LogicTrace.output.add(constraint)
ecore2LogicTrace.output.annotations.add(annotation)
}
for(derivedFeature : derivedFeatures.entrySet) {
val relationDefinition = derivedFeature.key.internalQueryRepresentation.lookup(viatra2LogicTrace.query2Relation)
val feature = derivedFeature.value
if(feature instanceof EAttribute) {
val declaration = ecore2Logic.relationOfAttribute(ecore2LogicTrace.trace,feature)
relationDefinition.defines = declaration
} else if(feature instanceof EReference) {
val declaration = ecore2Logic.relationOfReference(ecore2LogicTrace.trace,feature)
relationDefinition.defines = declaration
} else throw new IllegalArgumentException('''Unknown feature: «feature»''')
val annotation = createDefinedByDerivedFeature => [
it.target = relationDefinition.defines
it.query = derivedFeature.key.internalQueryRepresentation.lookup(viatra2LogicTrace.query2Annotation)
]
ecore2LogicTrace.output.annotations+=annotation
}
}
def transformBody(PBody body,
Map<PBody, Map<PVariable, Set<IInputKey>>> types,
TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace,
Viatra2LogicTrace viatra2LogicTrace,
Viatra2LogicConfiguration config)
{
val variable2Variable = new HashMap
// Parameter variables
for(parameter : body.symbolicParameters) {
val param = parameter.patternParameter
val variable = parameter.parameterVariable
variable2Variable.put(variable,(body.pattern->param).lookup(viatra2LogicTrace.parameter2Variable))
}
// Inner Variables
val innerPositiveVariables = new LinkedList
val innerNegativeVariables = new LinkedList
for(innerVariable : body.uniqueVariables) {
if(!variable2Variable.containsKey(innerVariable)) {
val name = '''variable «innerVariable.name.normalizeName»'''
//println(body.pattern.fullyQualifiedName + "-")
val logicType = getType(innerVariable,types,ecore2LogicTrace)
val logicVariable = createVar(name,logicType)
if(innerVariable.isPositiveVariable) {
innerPositiveVariables += logicVariable
} else {
innerNegativeVariables += logicVariable
}
variable2Variable.put(innerVariable,logicVariable)
}
}
val translatedConstraints = body.constraints.map[
constraint2Logic.transformConstraint(it,
ecore2LogicTrace,viatra2LogicTrace,variable2Variable,config)
].filterNull
val allConstraintIsSatisfied = And(translatedConstraints)
val allNegativeVariablesAreSatisfied = if(innerNegativeVariables.empty) {
allConstraintIsSatisfied
} else {
Forall(innerNegativeVariables,allConstraintIsSatisfied);
}
val allVariablesAreExisting = if(innerPositiveVariables.empty) {
allNegativeVariablesAreSatisfied
} else {
Exists(innerPositiveVariables,allNegativeVariablesAreSatisfied);
}
return allVariablesAreExisting
}
// def toTypeJudgement(PVariable v, IInputKey key) {
// new TypeJudgement(key,new Tuple1)
// }
def private normalizeName(String variableName) {
return variableName.replaceAll("[\\W]|_", "")
}
/**
* Translates the type of a parameter variable in a pattern
*/
def TypeReference getType(PParameter v, Map<PBody, Map<PVariable, Set<IInputKey>>> types, TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace) {
// If parameter type is specified then the specified type is used
if(v.declaredUnaryType !== null) {
val res = transformTypeReference(v.declaredUnaryType,ecore2LogicTrace)
if(res === null) {
throw new AssertionError('''
Unable to translate declared type «v.declaredUnaryType».
''')
} else {
return res
}
}
// Otherwise, calculate the type based on the type of the variable in the bodies
else {
val bodies = types.keySet
val typesFromBodies = new ArrayList(bodies.size)
for(body : bodies) {
// collect the variable in the body
val exported = body.symbolicParameters.filter[it.patternParameter === v]
if(exported.size !== 1) {
throw new AssertionError('''Parameter «v.name» has no reference in body!''')
}
val variable = exported.head.parameterVariable
typesFromBodies+=variable.getType(types,ecore2LogicTrace)
}
return typesFromBodies.calculateCommonSupertype
}
}
/**
* Translates the type of a variable in a pattern body
*/
def TypeReference getType(PVariable v, Map<PBody, Map<PVariable, Set<IInputKey>>> types ,TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace) {
if (v.isPositiveVariable) {
val keys = getTypesFromCollection(v,types)
val logicTypes = keys.map[transformTypeReference(it,ecore2LogicTrace)].filterNull
return logicTypes.calculateCommonSubtype
} else {
val onlyConstraint = v.referringConstraints.head as NegativePatternCall
val indexOfVariable = v.lookup(onlyConstraint.actualParametersTuple.invertIndex)
val parameter = onlyConstraint.referredQuery.parameters.get(indexOfVariable)
val declaredUnaryType = parameter.declaredUnaryType as BaseEMFTypeKey<? extends EClassifier>
if (declaredUnaryType === null) {
throw new UnsupportedOperationException(
'''parameter «parameter.name» in pattern «onlyConstraint.referredQuery.fullyQualifiedName» does not have type!''')
} else
return declaredUnaryType.transformTypeReference(ecore2LogicTrace)
}
}
def getTypesFromCollection(PVariable v, Map<PBody, Map<PVariable, Set<IInputKey>>> types) {
for(entry : types.entrySet) {
if(entry.key.uniqueVariables.contains(v)) {
return v.lookup(entry.value)
}
}
throw new IllegalArgumentException('''Variable «v.name» is not present in neither of the bodies!''')
}
def TypeReference calculateCommonSubtype(Iterable<TypeReference> types) {
val primitiveTypeReferences = types.filter(PrimitiveTypeReference)
val complexTypeReferences = types.filter(ComplexTypeReference)
if(complexTypeReferences.isEmpty) {
val head = primitiveTypeReferences.head
if(primitiveTypeReferences.exists[it.eClass !== head.eClass]) {
throw new IllegalArgumentException('''Inconsistent types: «primitiveTypeReferences.map[eClass.name].toSet.toList»''')
}
return head
} else if(primitiveTypeReferences.isEmpty) {
val complexTypes = complexTypeReferences.map[it.referred].toSet
if(complexTypes.size === 1) {
return builder.toTypeReference(complexTypes.head)
}
// Collect possible subtypes
val subtypeSets = complexTypes.map[it.transitiveClosureStar[it.subtypes].toSet]
val commonTypeSet = new HashSet(subtypeSets.head)
val otherSets = subtypeSets.tail
for(otherSet : otherSets) {
commonTypeSet.retainAll(otherSet)
}
if(commonTypeSet.empty) {
throw new IllegalArgumentException('''Inconsistent types: «complexTypes.map[name].toList»''')
}
return calculateCommonComplexSupertype(commonTypeSet)
} else {
throw new IllegalArgumentException('''
Inconsistent types, mixing primitive and complex types:
«primitiveTypeReferences.map[eClass.name].toSet.toList»
and
«complexTypeReferences.map[it.referred].toSet.map[name].toList»''')
}
}
def TypeReference calculateCommonSupertype(Iterable<TypeReference> types) {
val primitiveTypeReferences = types.filter(PrimitiveTypeReference)
val complexTypeReferences = types.filter(ComplexTypeReference)
if(complexTypeReferences.isEmpty) {
val head = primitiveTypeReferences.head
if(primitiveTypeReferences.exists[it.eClass !== head.eClass]) {
throw new IllegalArgumentException('''Inconsistent types: «primitiveTypeReferences.map[eClass.name].toSet.toList»''')
}
return head
} else if(primitiveTypeReferences.isEmpty) {
val complexTypes = complexTypeReferences.map[it.referred].toSet
return calculateCommonComplexSupertype(complexTypes)
} else {
throw new IllegalArgumentException('''
Inconsistent types, mixing primitive and complex types:
«primitiveTypeReferences.map[eClass.name].toSet.toList»
and
«complexTypeReferences.map[it.referred].toSet.map[name].toList»''')
}
}
def TypeReference calculateCommonComplexSupertype(Set<Type> complexTypes) {
if(complexTypes.size === 1) {
return builder.toTypeReference(complexTypes.head)
}
// Collect possible supertypes
val supertypeSets = complexTypes.map[it.transitiveClosureStar[it.supertypes].toSet]
val commonTypeSet = new HashSet(supertypeSets.head)
val otherSets = supertypeSets.tail
for(otherSet : otherSets) {
commonTypeSet.retainAll(otherSet)
}
if(commonTypeSet.empty) {
throw new IllegalArgumentException('''Inconsistent types: «complexTypes.map[name].toList»''')
}
// Remove type that already have covered
val coveredTypes = commonTypeSet.map[it.supertypes].flatten
commonTypeSet.removeAll(coveredTypes)
return builder.toTypeReference(commonTypeSet.head)
}
/**
* Transforms a Viatra type reference to a logic type.
*/
def dispatch TypeReference transformTypeReference(EDataTypeInSlotsKey k,TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace) {
val w = k.wrappedKey
if(w == EcorePackage.Literals.EINT || w == EcorePackage.Literals.ESHORT || w == EcorePackage.Literals.ELONG) {
return builder.LogicInt
} else if(w == EcorePackage.Literals.EDOUBLE || w == EcorePackage.Literals.EFLOAT) {
return builder.LogicReal
} else if(w == EcorePackage.Literals.EBOOLEAN) {
return builder.LogicBool
} else if(w == EcorePackage.Literals.ESTRING) {
return builder.LogicString
} else if(w instanceof EEnum) {
val c = this.ecore2Logic.TypeofEEnum(ecore2LogicTrace.trace,w)
return builder.toTypeReference(c);
} else throw new UnsupportedOperationException('''Unknown reference type «w.class.name»''')
}
def dispatch TypeReference transformTypeReference(JavaTransitiveInstancesKey k,TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace) {
val c = k.wrapperInstanceClass
if(c == Integer || c == Long || c == Short) {
return LogicInt
} else if(c == Float || c == Double) {
return LogicReal
} else if(c == Boolean) {
return LogicBool
} else if(c == String) {
return LogicString
} else if(c.superclass == java.lang.Enum){
val enums = ecore2Logic.allEnumsInScope(ecore2LogicTrace.trace)
for(enum : enums) {
if(c == enum.instanceClass) {
return builder.toTypeReference(ecore2Logic.TypeofEEnum(ecore2LogicTrace.trace,enum))
}
}
throw new IllegalArgumentException('''Enum type «c.simpleName» is not mapped to logic!''')
}
return null
}
def dispatch TypeReference transformTypeReference(EClassTransitiveInstancesKey k,TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace) {
val c = k.wrappedKey
if(this.ecore2Logic.allClassesInScope(ecore2LogicTrace.trace).toList.contains(c)) {
return builder.toTypeReference(this.ecore2Logic.TypeofEClass(ecore2LogicTrace.trace,k.wrappedKey))
} else {
return null
}
}
def dispatch TypeReference transformTypeReference(EClassUnscopedTransitiveInstancesKey k, TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace) {
val c = k.wrappedKey
if(this.ecore2Logic.allClassesInScope(ecore2LogicTrace.trace).toList.contains(c)) {
return builder.toTypeReference(this.ecore2Logic.TypeofEClass(ecore2LogicTrace.trace,k.wrappedKey))
} else {
return null
}
}
def dispatch TypeReference transformTypeReference(IInputKey k,TracedOutput<LogicProblem, Ecore2Logic_Trace> ecore2LogicTrace) {
println(k)
throw new IllegalArgumentException('''Unsupported type: «k.class.simpleName»''')
}
def boolean isPositiveVariable(PVariable v) {
val constraints = v.referringConstraints
if(constraints.size == 1) {
val onlyConstraint = constraints.head
if(onlyConstraint instanceof NegativePatternCall) {
return false
}
}
return true
}
}
|