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package hu.bme.mit.inf.dlsreasoner.alloy.reasoner.builder
import hu.bme.mit.inf.dslreasoner.alloyLanguage.ALSEquals
import hu.bme.mit.inf.dslreasoner.alloyLanguage.ALSMultiplicity
import hu.bme.mit.inf.dslreasoner.alloyLanguage.ALSReference
import hu.bme.mit.inf.dslreasoner.alloyLanguage.ALSTerm
import hu.bme.mit.inf.dslreasoner.alloyLanguage.ALSVariableDeclaration
import hu.bme.mit.inf.dslreasoner.alloyLanguage.AlloyLanguageFactory
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.BoolTypeReference
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.QuantifiedExpression
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.Term
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.TypeReference
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.Variable
import java.util.ArrayList
import java.util.HashMap
import java.util.List
import java.util.Map
import org.eclipse.emf.ecore.util.EcoreUtil
class Logic2AlloyLanguageMapper_Support {
private val extension AlloyLanguageFactory factory = AlloyLanguageFactory.eINSTANCE
/// ID handling
def protected String toIDMultiple(String... ids) {
ids.map[it.split("\\s+").join("'")].join("'")
}
def protected String toID(String ids) {
ids.split("\\s+").join("'")
}
def protected String toID(List<String> ids) {
ids.map[it.split("\\s+").join("'")].join("'")
}
/// Support functions
def protected getBooleanType(Logic2AlloyLanguageMapperTrace trace) {
if(trace.boolType!=null) {
return trace.boolType
} else {
trace.boolType = createALSEnumDeclaration => [
it.name = toID(#["util","boolean"])
trace.boolTrue = createALSEnumLiteral =>[it.name=toID(#["util","boolean","true"])]
it.literal += trace.boolTrue
trace.boolFalse = createALSEnumLiteral =>[it.name=toID(#["util","boolean","false"])]
it.literal += trace.boolFalse
]
trace.specification.enumDeclarations+=trace.boolType
return trace.boolType
}
}
def protected getBooleanTrue(Logic2AlloyLanguageMapperTrace trace) {
getBooleanType(trace)
return trace.boolTrue
}
def protected getBooleanFalse(Logic2AlloyLanguageMapperTrace trace) {
getBooleanType(trace)
return trace.boolFalse
}
def protected booleanToLogicValue(ALSTerm boolReference, Logic2AlloyLanguageMapperTrace trace) {
//println((boolReference as ALSReference).referred)
createALSEquals => [
leftOperand = EcoreUtil.copy(boolReference)
rightOperand = createALSReference => [referred = getBooleanTrue(trace)]
]
}
def protected booleanToEnumValue(ALSTerm value, Logic2AlloyLanguageMapperTrace trace) {
if(value instanceof ALSEquals) {
val rightOperand = value.rightOperand
if(rightOperand instanceof ALSReference) {
if(rightOperand.referred == getBooleanTrue(trace)) {
return value.leftOperand
}
}
}
return value;
}
def protected prepareParameterOfSymbolicReference(TypeReference type, ALSTerm term, Logic2AlloyLanguageMapperTrace trace) {
if(type instanceof BoolTypeReference) {
return booleanToEnumValue(term,trace)
}
else return term
}
def protected postprocessResultOfSymbolicReference(TypeReference type, ALSTerm term, Logic2AlloyLanguageMapperTrace trace) {
if(type instanceof BoolTypeReference) {
return booleanToLogicValue(term,trace)
}
else return term
}
def protected ALSTerm unfoldAnd(List<? extends ALSTerm> operands) {
if(operands.size == 1) { return operands.head }
else if(operands.size > 1) { return createALSAnd=>[
leftOperand=operands.head
rightOperand=operands.subList(1,operands.size).unfoldAnd
]}
else throw new UnsupportedOperationException('''Logic operator with 0 operands!''')
}
def protected ALSTerm unfoldOr(List<? extends ALSTerm> operands, Logic2AlloyLanguageMapperTrace trace) {
if(operands.size == 0) { return unfoldTrueStatement(trace)}
else if(operands.size == 1) { return operands.head }
else if(operands.size > 1) { return createALSOr=>[
leftOperand=operands.head
rightOperand=unfoldOr(operands.subList(1,operands.size),trace)
]}
//else throw new UnsupportedOperationException('''Logic operator with 0 operands!''')
}
protected def unfoldTrueStatement(Logic2AlloyLanguageMapperTrace trace) {
createALSEquals => [
it.leftOperand = createALSReference => [it.referred = getBooleanTrue(trace)]
it.rightOperand = createALSReference => [it.referred = getBooleanTrue(trace)]
]
}
protected def unfoldTFalseStatement(Logic2AlloyLanguageMapper m, Logic2AlloyLanguageMapperTrace trace) {
createALSEquals => [
it.leftOperand = createALSReference => [it.referred = getBooleanTrue(trace)]
it.rightOperand = createALSReference => [it.referred = getBooleanTrue(trace)]
]
}
def protected ALSTerm unfoldPlus(List<? extends ALSTerm> operands) {
if(operands.size == 1) { return operands.head }
else if(operands.size > 1) { return createALSPlus=>[
leftOperand=operands.head
rightOperand=operands.subList(1,operands.size).unfoldPlus
]}
else return createALSNone
}
def protected ALSTerm unfoldIntersection(List<? extends ALSTerm> operands) {
if(operands.size == 1) { return operands.head }
else if(operands.size > 1) { return createALSIntersection=>[
leftOperand=operands.head
rightOperand=operands.subList(1,operands.size).unfoldIntersection
]}
else throw new UnsupportedOperationException('''Logic operator with 0 operands!''')
}
def protected ALSTerm unfoldDistinctTerms(Logic2AlloyLanguageMapper m, List<Term> operands, Logic2AlloyLanguageMapperTrace trace, Map<Variable, ALSVariableDeclaration> variables) {
if(operands.size == 1) { return m.transformTerm(operands.head,trace,variables) }
else if(operands.size > 1) {
val notEquals = new ArrayList<ALSTerm>(operands.size*operands.size/2)
for(i:0..<operands.size) {
for(j: i+1..<operands.size) {
notEquals+=createALSNotEquals=>[
leftOperand = m.transformTerm(operands.get(i),trace,variables)
rightOperand = m.transformTerm(operands.get(j),trace,variables)
]
}
}
return notEquals.unfoldAnd
}
else throw new UnsupportedOperationException('''Logic operator with 0 operands!''')
}
def protected ALSTerm unfoldReferenceDirectProduct(Logic2AlloyLanguageMapper m, List<TypeReference> references,Logic2AlloyLanguageMapperTrace trace) {
if(references.size == 1) return m.transformTypeReference(references.head,trace)
else if(references.size > 1) return createALSDirectProduct => [
it.leftOperand = m.transformTypeReference(references.head,trace)
it.rightOperand = unfoldReferenceDirectProduct(m,references.subList(1,references.size),trace)
]
else throw new UnsupportedOperationException
}
def protected ALSTerm unfoldDotJoin(Logic2AlloyLanguageMapper m, List<Term> elements, ALSTerm target, Logic2AlloyLanguageMapperTrace trace,
Map<Variable, ALSVariableDeclaration> variables) {
if (elements.size == 1) {
return createALSJoin => [
it.leftOperand = m.transformTerm(elements.head,trace, variables)
it.rightOperand = target
]
} else if (elements.size > 1) {
return createALSJoin => [
it.leftOperand = m.transformTerm(elements.last,trace, variables)
it.rightOperand = m.unfoldDotJoin(elements.subList(0, elements.size - 1), target, trace, variables)
]
} else
throw new UnsupportedOperationException
}
def protected ALSTerm unfoldTermDirectProduct(Logic2AlloyLanguageMapper m, List<Term> references,Logic2AlloyLanguageMapperTrace trace,Map<Variable, ALSVariableDeclaration> variables) {
if(references.size == 1) return m.transformTerm(references.head,trace,variables)
else if(references.size > 1) return createALSDirectProduct => [
it.leftOperand = m.transformTerm(references.head,trace,variables)
it.rightOperand = unfoldTermDirectProduct(m,references.subList(1,references.size),trace, variables)
]
else throw new UnsupportedOperationException
}
def protected createQuantifiedExpression(Logic2AlloyLanguageMapper m, QuantifiedExpression q, ALSMultiplicity multiplicity, Logic2AlloyLanguageMapperTrace trace, Map<Variable, ALSVariableDeclaration> variables) {
val variableMap = q.quantifiedVariables.toInvertedMap[v | createALSVariableDeclaration=> [
it.name = toID(v.name)
it.range = m.transformTypeReference(v.range,trace) ]]
createALSQuantifiedEx=>[
it.type = multiplicity
it.variables += variableMap.values
it.expression = m.transformTerm(q.expression,trace,variables.withAddition(variableMap))
]
}
def protected withAddition(Map<Variable, ALSVariableDeclaration> v1, Map<Variable, ALSVariableDeclaration> v2) { new HashMap(v1) => [putAll(v2)] }
}
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