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- Div und MulOperatoren für alle numerischen Datentypen implementiert (Nur wenn beide Operanten den gleichen Typ haben)

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This commit is contained in:
Enrico Schrödter 2016-04-30 11:14:24 +02:00
parent c2d3fce75e
commit e5fc8c8288
7 changed files with 62 additions and 13 deletions
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1
src/de/dhbwstuttgart/syntaxtree/operator/AddOp.java
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@ -142,7 +142,6 @@ public abstract class AddOp extends Operator
}else{
return type.get_Name();
}
}
abstract ArithmeticInstruction getOperator(String returnType);

23
src/de/dhbwstuttgart/syntaxtree/operator/DivideOp.java
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@ -3,9 +3,17 @@ package de.dhbwstuttgart.syntaxtree.operator;
// ino.end
// ino.module.DivideOp.8596.import
import de.dhbwstuttgart.typeinference.Menge;
import de.dhbwstuttgart.typeinference.exceptions.NotImplementedException;
import org.apache.commons.bcel6.generic.ArithmeticInstruction;
import org.apache.commons.bcel6.generic.DADD;
import org.apache.commons.bcel6.generic.DDIV;
import org.apache.commons.bcel6.generic.FADD;
import org.apache.commons.bcel6.generic.FDIV;
import org.apache.commons.bcel6.generic.IADD;
import org.apache.commons.bcel6.generic.IDIV;
import org.apache.commons.bcel6.generic.LADD;
import org.apache.commons.bcel6.generic.LDIV;
import de.dhbwstuttgart.myexception.JVMCodeException;
import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
@ -28,10 +36,19 @@ public class DivideOp extends MulOp
super(offset,variableLength);
}
// ino.end
@Override
ArithmeticInstruction getOperator(String returnType) {
return new IDIV();
if(returnType.equals("java.lang.Integer")){
return new IDIV();
}else if(returnType.equals("java.lang.Double")){
return new DDIV();
}else if(returnType.equals("java.lang.Float")){
return new FDIV();
}else if(returnType.equals("java.lang.Long")){
return new LDIV();
}else{
throw new NotImplementedException();
}
}
}
// ino.end

27
src/de/dhbwstuttgart/syntaxtree/operator/MulOp.java
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@ -19,8 +19,11 @@ import de.dhbwstuttgart.bytecode.DHBWInstructionFactory;
import de.dhbwstuttgart.myexception.CTypeReconstructionException;
import de.dhbwstuttgart.syntaxtree.statement.Binary;
import de.dhbwstuttgart.syntaxtree.statement.Expr;
import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
import de.dhbwstuttgart.syntaxtree.type.Type;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.typeinference.Pair;
import de.dhbwstuttgart.typeinference.TypeinferenceResultSet;
import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
@ -75,7 +78,7 @@ public abstract class MulOp extends Operator
*/
DHBWInstructionFactory _factory = _cg.getInstructionFactory();
String returnType = getReturnType(operator.get_Expr1(), operator.get_Expr2());
String returnType = getReturnType(operator.get_Expr1(), operator.get_Expr2(), rs);
InstructionList il = getInstructionListForOperand(_cg, rs, operator.get_Expr1(), returnType);
@ -87,8 +90,20 @@ public abstract class MulOp extends Operator
return il;
}
private String getReturnType(Expr expr1, Expr expr2) {
return "java.lang.Integer";
private String getReturnType(Expr expr1, Expr expr2, TypeinferenceResultSet rs) {
Type type = expr1.getType();
if(type instanceof TypePlaceholder){
Type tphType = rs.getTypeOfPlaceholder((TypePlaceholder) expr1.getType());
if(tphType instanceof ExtendsWildcardType){
return ((ExtendsWildcardType) tphType).get_ExtendsType().get_Name();
}else if(tphType instanceof SuperWildcardType){
return ((SuperWildcardType) tphType).get_SuperType().get_Name();
}else{
return tphType.getName().toString();
}
}else{
return type.get_Name();
}
}
abstract ArithmeticInstruction getOperator(String returnType);
@ -96,6 +111,12 @@ public abstract class MulOp extends Operator
private InvokeInstruction convertValueToObject(DHBWInstructionFactory _factory, String returnType) {
if(returnType.equals("java.lang.Integer")){
return _factory.createInvoke("java.lang.Integer", "valueOf", new ObjectType("java.lang.Integer"), new org.apache.commons.bcel6.generic.Type[] {org.apache.commons.bcel6.generic.Type.INT}, Constants.INVOKESTATIC);
}else if(returnType.equals("java.lang.Double")){
return _factory.createInvoke("java.lang.Double", "valueOf", new ObjectType("java.lang.Double"), new org.apache.commons.bcel6.generic.Type[] {org.apache.commons.bcel6.generic.Type.DOUBLE}, Constants.INVOKESTATIC);
}else if(returnType.equals("java.lang.Float")){
return _factory.createInvoke("java.lang.Float", "valueOf", new ObjectType("java.lang.Float"), new org.apache.commons.bcel6.generic.Type[] {org.apache.commons.bcel6.generic.Type.FLOAT}, Constants.INVOKESTATIC);
}else if(returnType.equals("java.lang.Long")){
return _factory.createInvoke("java.lang.Long", "valueOf", new ObjectType("java.lang.Long"), new org.apache.commons.bcel6.generic.Type[] {org.apache.commons.bcel6.generic.Type.LONG}, Constants.INVOKESTATIC);
}else{
throw new NotImplementedException();
}

1
src/de/dhbwstuttgart/syntaxtree/operator/PlusOp.java
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@ -57,7 +57,6 @@ public class PlusOp extends AddOp
}else{
throw new NotImplementedException();
}
}
}
// ino.end

19
src/de/dhbwstuttgart/syntaxtree/operator/TimesOp.java
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@ -4,9 +4,13 @@ package de.dhbwstuttgart.syntaxtree.operator;
// ino.module.TimesOp.8611.import
import de.dhbwstuttgart.typeinference.Menge;
import de.dhbwstuttgart.typeinference.exceptions.NotImplementedException;
import org.apache.commons.bcel6.generic.ArithmeticInstruction;
import org.apache.commons.bcel6.generic.DMUL;
import org.apache.commons.bcel6.generic.FMUL;
import org.apache.commons.bcel6.generic.IMUL;
import org.apache.commons.bcel6.generic.LMUL;
import de.dhbwstuttgart.myexception.JVMCodeException;
import de.dhbwstuttgart.syntaxtree.statement.Binary;
@ -25,10 +29,19 @@ public class TimesOp extends MulOp
super(offset,variableLength);
}
// ino.end
@Override
ArithmeticInstruction getOperator(String returnType) {
return new IMUL();
if(returnType.equals("java.lang.Integer")){
return new IMUL();
}else if(returnType.equals("java.lang.Double")){
return new DMUL();
}else if(returnType.equals("java.lang.Float")){
return new FMUL();
}else if(returnType.equals("java.lang.Long")){
return new LMUL();
}else{
throw new NotImplementedException();
}
}
}

2
test/bytecode/operators/DivOperator.jav
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@ -1,5 +1,5 @@
class DivOperator{
Integer method(Integer x, Integer y){
method(x, y){
return x / y;
}
}

2
test/bytecode/operators/MulOperator.jav
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@ -1,5 +1,5 @@
class MulOperator{
Integer method(Integer x, Integer y){
method(x, y){
return x * y;
}
}