1 files changed, 109 insertions, 0 deletions
diff --git a/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/patterns/PExpressionGenerator.xtend b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/patterns/PExpressionGenerator.xtend
new file mode 100644
index 00000000..303c87b9
--- /dev/null
+++ b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/patterns/PExpressionGenerator.xtend
@@ -0,0 +1,109 @@
+package hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.patterns
+import java.util.Map
+import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable
+import org.eclipse.xtext.xbase.XBinaryOperation
+import org.eclipse.xtext.xbase.XExpression
+import org.eclipse.xtext.xbase.XFeatureCall
+import org.eclipse.xtext.xbase.XMemberFeatureCall
+import org.eclipse.xtext.xbase.XNumberLiteral
+import org.eclipse.xtext.xbase.XUnaryOperation
+class PExpressionGenerator {
+        static val N_Base = "org.eclipse.xtext.xbase.lib."
+        
+        static val N_PLUS1 = "operator_plus"
+        static val N_MINUS1 = "operator_minus"
+        
+        static val N_MINUS2 = "operator_minus"
+        static val N_PLUS2 = "operator_plus"
+        static val N_POWER = "operator_power"
+        static val N_MULTIPLY = "operator_multiply"
+        static val N_DIVIDE = "operator_divide"
+        static val N_MODULO = "operator_modulo"
+        static val N_LESSTHAN = "operator_lessThan"
+        static val N_LESSEQUALSTHAN = "operator_lessEqualsThan"
+        static val N_GREATERTHAN = "operator_greaterThan"
+        static val N_GREATEREQUALTHAN = "operator_greaterEqualsThan"
+        static val N_EQUALS = "operator_equals"
+        static val N_NOTEQUALS = "operator_notEquals"
+        static val N_EQUALS3 = "operator_tripleEquals"
+        static val N_NOTEQUALS3 = "operator_tripleNotEquals"
+        
+        protected def isN(String name, String s) {
+                val res = name.startsWith(N_Base) && name.endsWith(s)
+                //println('''[«res»] «name» ?= «N_Base»*«s»''')
+                return res
+        }
+        
+        static val N_POWER2 = "java.lang.Math.pow"
+        
+        def dispatch CharSequence translateExpression(XBinaryOperation e, Map<PVariable,String> valueName) {
+                val left = e.leftOperand.translateExpression(valueName)
+                val right = e.rightOperand.translateExpression(valueName)
+                val feature = e.feature.qualifiedName
+                     if(feature.isN(N_MINUS2)) { return '''(«left»-«right»)'''}
+                else if(feature.isN(N_PLUS2)) { return '''(«left»+«right»)''' }
+                else if(feature.isN(N_POWER)) { return '''(«left»^«right»)'''  }
+                else if(feature.isN(N_MULTIPLY)) { return '''(«left»*«right»)''' }
+                else if(feature.isN(N_DIVIDE)) { return '''(«left»/«right»)''' }
+                else if(feature.isN(N_MODULO)) { return '''(«left»%«right»)''' }
+                else if(feature.isN(N_LESSTHAN)) { return '''(«left»<«right»)''' }
+                else if(feature.isN(N_LESSEQUALSTHAN)) { return '''(«left»<=«right»)''' }
+                else if(feature.isN(N_GREATERTHAN)) { return '''(«left»>«right»)''' }
+                else if(feature.isN(N_GREATEREQUALTHAN)) { return '''(«left»>=«right»)''' }
+                else if(feature.isN(N_EQUALS)) { return '''(«left»==«right»)''' }
+                else if(feature.isN(N_NOTEQUALS)) { return '''(«left»!=«right»)''' }
+                else if(feature.isN(N_EQUALS3)) { return '''(«left»===«right»)''' }
+                else if(feature.isN(N_NOTEQUALS3)) { return '''(«left»!==«right»)''' }
+                else {
+                        println("-> " + e.feature+","+e.class)
+                        println("-> " + e.leftOperand)
+                        println("-> " + e.rightOperand)
+                        println("-> " + e.feature.qualifiedName)
+                        throw new UnsupportedOperationException('''Unsupported binary operator feature: "«e.feature.class.simpleName»" - «e»''')
+                }
+        }
+        
+        def dispatch CharSequence translateExpression(XUnaryOperation e, Map<PVariable,String> valueName) {
+                val operand = e.operand.translateExpression(valueName)
+                val feature = e.feature.qualifiedName
+                if(feature.isN(N_MINUS1)) { return '''(-«operand»)'''}
+                else if(feature.isN(N_PLUS1)) { return '''(+«operand»)'''}
+                else{
+                        println("-> " + e.feature+","+e.class)
+                        println("-> " + e.operand)
+                        println("-> " + e.feature.qualifiedName)
+                        throw new UnsupportedOperationException('''Unsupported unary operator feature: "«e.feature.class.simpleName»" - «e»''')
+                }
+        }
+        
+        def dispatch CharSequence translateExpression(XMemberFeatureCall e, Map<PVariable,String> valueName) {
+                val transformedArguments = e.actualArguments.map[translateExpression(valueName)]
+                val feature = e.feature.qualifiedName
+                if(feature == N_POWER2) {
+                        return '''Math.pow(«transformedArguments.get(0)»,«transformedArguments.get(1)»)'''
+                }else {
+                        println(e.feature+","+e.class)
+                        println(e.actualArguments.join(", "))
+                        println(e.feature.qualifiedName)
+                        throw new UnsupportedOperationException('''Unsupported feature call: "«e.feature.qualifiedName»" - «e»''')
+                }
+        }
+        
+        def dispatch CharSequence translateExpression(XFeatureCall e, Map<PVariable,String> valueName) {
+                val featureName = e.feature.qualifiedName
+                val entryWithName = valueName.entrySet.filter[it.key.name == featureName].head
+                if(entryWithName !== null) {
+                        return entryWithName.value
+                } else {
+                        throw new IllegalArgumentException('''Feature call reference to unavailable variable "«featureName»"''')
+                }
+        }
+        
+        def dispatch CharSequence translateExpression(XNumberLiteral l, Map<PVariable,String> valueName) '''«l.value»'''
+        
+        def dispatch CharSequence translateExpression(XExpression expression, Map<PVariable,String> valueName) {
+                throw new UnsupportedOperationException('''Unsupported expression in check or eval: «expression.class.name», «expression»"''')
+        }
+}
+\ No newline at end of file

diff --git a/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/patterns/PExpressionGenerator.xtend b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/patterns/PExpressionGenerator.xtend new file mode 100644 index 00000000..303c87b9 --- /dev/null +++ b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra/src/hu/bme/mit/inf/dslreasoner/viatrasolver/logic2viatra/patterns/PExpressionGenerator.xtend
@@ -0,0 +1,109 @@
	1	package hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.patterns
	2
	3	import java.util.Map
	4	import org.eclipse.viatra.query.runtime.matchers.psystem.PVariable
	5	import org.eclipse.xtext.xbase.XBinaryOperation
	6	import org.eclipse.xtext.xbase.XExpression
	7	import org.eclipse.xtext.xbase.XFeatureCall
	8	import org.eclipse.xtext.xbase.XMemberFeatureCall
	9	import org.eclipse.xtext.xbase.XNumberLiteral
	10	import org.eclipse.xtext.xbase.XUnaryOperation
	11
	12	class PExpressionGenerator {
	13	static val N_Base = "org.eclipse.xtext.xbase.lib."
	14
	15	static val N_PLUS1 = "operator_plus"
	16	static val N_MINUS1 = "operator_minus"
	17
	18	static val N_MINUS2 = "operator_minus"
	19	static val N_PLUS2 = "operator_plus"
	20	static val N_POWER = "operator_power"
	21	static val N_MULTIPLY = "operator_multiply"
	22	static val N_DIVIDE = "operator_divide"
	23	static val N_MODULO = "operator_modulo"
	24	static val N_LESSTHAN = "operator_lessThan"
	25	static val N_LESSEQUALSTHAN = "operator_lessEqualsThan"
	26	static val N_GREATERTHAN = "operator_greaterThan"
	27	static val N_GREATEREQUALTHAN = "operator_greaterEqualsThan"
	28	static val N_EQUALS = "operator_equals"
	29	static val N_NOTEQUALS = "operator_notEquals"
	30	static val N_EQUALS3 = "operator_tripleEquals"
	31	static val N_NOTEQUALS3 = "operator_tripleNotEquals"
	32
	33	protected def isN(String name, String s) {
	34	val res = name.startsWith(N_Base) && name.endsWith(s)
	35	//println('''[«res»] «name» ?= «N_Base»*«s»''')
	36	return res
	37	}
	38
	39	static val N_POWER2 = "java.lang.Math.pow"
	40
	41	def dispatch CharSequence translateExpression(XBinaryOperation e, Map<PVariable,String> valueName) {
	42	val left = e.leftOperand.translateExpression(valueName)
	43	val right = e.rightOperand.translateExpression(valueName)
	44	val feature = e.feature.qualifiedName
	45	if(feature.isN(N_MINUS2)) { return '''(«left»-«right»)'''}
	46	else if(feature.isN(N_PLUS2)) { return '''(«left»+«right»)''' }
	47	else if(feature.isN(N_POWER)) { return '''(«left»^«right»)''' }
	48	else if(feature.isN(N_MULTIPLY)) { return '''(«left»*«right»)''' }
	49	else if(feature.isN(N_DIVIDE)) { return '''(«left»/«right»)''' }
	50	else if(feature.isN(N_MODULO)) { return '''(«left»%«right»)''' }
	51	else if(feature.isN(N_LESSTHAN)) { return '''(«left»<«right»)''' }
	52	else if(feature.isN(N_LESSEQUALSTHAN)) { return '''(«left»<=«right»)''' }
	53	else if(feature.isN(N_GREATERTHAN)) { return '''(«left»>«right»)''' }
	54	else if(feature.isN(N_GREATEREQUALTHAN)) { return '''(«left»>=«right»)''' }
	55	else if(feature.isN(N_EQUALS)) { return '''(«left»==«right»)''' }
	56	else if(feature.isN(N_NOTEQUALS)) { return '''(«left»!=«right»)''' }
	57	else if(feature.isN(N_EQUALS3)) { return '''(«left»===«right»)''' }
	58	else if(feature.isN(N_NOTEQUALS3)) { return '''(«left»!==«right»)''' }
	59	else {
	60	println("-> " + e.feature+","+e.class)
	61	println("-> " + e.leftOperand)
	62	println("-> " + e.rightOperand)
	63	println("-> " + e.feature.qualifiedName)
	64	throw new UnsupportedOperationException('''Unsupported binary operator feature: "«e.feature.class.simpleName»" - «e»''')
	65	}
	66	}
	67
	68	def dispatch CharSequence translateExpression(XUnaryOperation e, Map<PVariable,String> valueName) {
	69	val operand = e.operand.translateExpression(valueName)
	70	val feature = e.feature.qualifiedName
	71	if(feature.isN(N_MINUS1)) { return '''(-«operand»)'''}
	72	else if(feature.isN(N_PLUS1)) { return '''(+«operand»)'''}
	73	else{
	74	println("-> " + e.feature+","+e.class)
	75	println("-> " + e.operand)
	76	println("-> " + e.feature.qualifiedName)
	77	throw new UnsupportedOperationException('''Unsupported unary operator feature: "«e.feature.class.simpleName»" - «e»''')
	78	}
	79	}
	80
	81	def dispatch CharSequence translateExpression(XMemberFeatureCall e, Map<PVariable,String> valueName) {
	82	val transformedArguments = e.actualArguments.map[translateExpression(valueName)]
	83	val feature = e.feature.qualifiedName
	84	if(feature == N_POWER2) {
	85	return '''Math.pow(«transformedArguments.get(0)»,«transformedArguments.get(1)»)'''
	86	}else {
	87	println(e.feature+","+e.class)
	88	println(e.actualArguments.join(", "))
	89	println(e.feature.qualifiedName)
	90	throw new UnsupportedOperationException('''Unsupported feature call: "«e.feature.qualifiedName»" - «e»''')
	91	}
	92	}
	93
	94	def dispatch CharSequence translateExpression(XFeatureCall e, Map<PVariable,String> valueName) {
	95	val featureName = e.feature.qualifiedName
	96	val entryWithName = valueName.entrySet.filter[it.key.name == featureName].head
	97	if(entryWithName !== null) {
	98	return entryWithName.value
	99	} else {
	100	throw new IllegalArgumentException('''Feature call reference to unavailable variable "«featureName»"''')
	101	}
	102	}
	103
	104	def dispatch CharSequence translateExpression(XNumberLiteral l, Map<PVariable,String> valueName) '''«l.value»'''
	105
	106	def dispatch CharSequence translateExpression(XExpression expression, Map<PVariable,String> valueName) {
	107	throw new UnsupportedOperationException('''Unsupported expression in check or eval: «expression.class.name», «expression»"''')
	108	}
	109	} \ No newline at end of file