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Faculty funktioniert rihtig

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This commit is contained in:
Fayez Abu Alia 2018-11-14 16:19:25 +01:00
parent 2ef7bae78a
commit d4b6073760
3 changed files with 31 additions and 16 deletions
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23
src/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java
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@ -110,7 +110,7 @@ public class BytecodeGenMethod implements StatementVisitor {
}
public BytecodeGenMethod(LambdaExpression lambdaExpression, ResultSet resultSet, MethodVisitor mv,
int indexOfFirstParamLam, boolean isInterface, HashMap<String, byte[]> classFiles, String path, int lamCounter) {
int indexOfFirstParamLam, boolean isInterface, HashMap<String, byte[]> classFiles, String path, int lamCounter, SourceFile sf) {
this.resultSet = resultSet;
this.mv = mv;
@ -118,6 +118,7 @@ public class BytecodeGenMethod implements StatementVisitor {
this.classFiles = classFiles;
this.path = path;
this.lamCounter = lamCounter;
this.sf = sf;
Iterator<FormalParameter> itr = lambdaExpression.params.iterator();
int i = indexOfFirstParamLam;
while (itr.hasNext()) {
@ -378,6 +379,12 @@ public class BytecodeGenMethod implements StatementVisitor {
case BIGGEREQUAL:
mv.visitJumpInsn(Opcodes.IF_ICMPLT, branchLabel);
break;
case EQUAL:
mv.visitJumpInsn(Opcodes.IF_ICMPNE, branchLabel);
break;
case NOTEQUAL:
mv.visitJumpInsn(Opcodes.IFEQ, branchLabel);
break;
default:
break;
}
@ -403,6 +410,12 @@ public class BytecodeGenMethod implements StatementVisitor {
case BIGGEREQUAL:
mv.visitJumpInsn(Opcodes.IFLT, branchLabel);
break;
case EQUAL:
mv.visitJumpInsn(Opcodes.IFNE, branchLabel);
break;
case NOTEQUAL:
mv.visitJumpInsn(Opcodes.IFEQ, branchLabel);
break;
default:
break;
}
@ -567,7 +580,7 @@ public class BytecodeGenMethod implements StatementVisitor {
methodName, arg3.toString(), null, null);
new BytecodeGenMethod(lambdaExpression, this.resultSet, mvLambdaBody, indexOfFirstParamLam, isInterface,
classFiles,this.path, lamCounter);
classFiles,this.path, lamCounter, sf);
mvLambdaBody.visitMaxs(0, 0);
mvLambdaBody.visitEnd();
@ -850,11 +863,13 @@ public class BytecodeGenMethod implements StatementVisitor {
// methCallType = "L"+methCallType+";";
// }
for(java.lang.reflect.Method m : methods) {
if(name.equals(m.getName()) && i == m.getParameterCount() && methCallType.equals(m.getReturnType().getName().replace(".", "/"))) {
if(name.equals(m.getName()) && i == m.getParameterCount() &&
(methCallType.equals(m.getReturnType().getName().replace(".", "/")) ||
m.getReturnType().getName().replace(".", "/").equals(Type.getInternalName(Object.class)))) {
boolean typesEqual = true;
Class<?>[] pTypes = m.getParameterTypes();
for(int j = 0; j<typesOfParams.length; ++j) {
if(!typesOfParams[j].equals(pTypes[j])) {
if(!typesOfParams[j].equals(pTypes[j].getName().replaceAll(".", "/")) && !pTypes[j].getName().replace(".", "/").equals(Type.getInternalName(Object.class))) {
typesEqual = false;
break;
}

8
test/bytecode/FacultyTest.java
View File

@ -41,10 +41,12 @@ public class FacultyTest {
//
// // Damit man auf die Methode zugreifen kann
apply.setAccessible(true);
// Field value
Object fieldVal = fact.get(instanceOfClass);
Integer i = 3;
Integer result = (Integer) apply.invoke(instanceOfClass, i);
Method applyFromField = fieldVal.getClass().getDeclaredMethod("apply", Object.class);
applyFromField.setAccessible(true);
Integer result = (Integer) applyFromField.invoke(instanceOfClass, i);
// Integer result = (Integer) m.invoke(instanceOfClass,i);
assertEquals(6, result);

16
test/bytecode/javFiles/Faculty.jav
View File

@ -4,15 +4,13 @@ public class Faculty {
public fact;
Faculty() {
fact = (x) -> {
if(x<0) {
return 0;
}else if (x < 1) {
return x;
}
else {
return x * (fact.apply(x-1));
}
};
if (x == 1) {
return 1;
}
else {
return x * (fact.apply(x-1));
}
};
}
// m (x) {