Methoden visit(assign)/visit(literal) angepasst und generiert bytecode für Binaryexpressions. noch nicht fertig

src/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java

@@ -43,30 +43,28 @@ public class BytecodeGenMethod implements StatementVisitor{
 	private MethodVisitor mv;
 	private HashMap<String, Integer> paramsAndLocals = new HashMap<>(); 
 	private String className;
-	private int lamCounter;
+	private int lamCounter = -1;
 	private ClassWriter cw;
 	private ResultSet resultSet;
 	private boolean isInterface;
 	HashMap<String, String> genericsAndBoundsMethod;
 	private HashMap<String,String> genericsAndBounds;
+	private boolean isBinaryExp = false;
 	
 	//for tests **
 	private String fieldName;
 	private String fieldDesc;
 	private Expression rightSideTemp;
-//	private String where;
 	private boolean isRightSideALambda = false;
 	private KindOfLambda kindOfLambda;
 	private HashMap<String, byte[]> classFiles;
 	
-	private ArrayList<RefTypeOrTPHOrWildcardOrGeneric> varsFunInterface;
+	private ArrayList<RefTypeOrTPHOrWildcardOrGeneric> varsFunInterface = new ArrayList<>();;
 	
 	public BytecodeGenMethod(String className,ResultSet resultSet, Method m, MethodVisitor mv, 
 			HashMap<String, Integer> paramsAndLocals, ClassWriter cw, HashMap<String, String> genericsAndBoundsMethod, 
 			HashMap<String,String> genericsAndBounds, boolean isInterface, HashMap<String, byte[]> classFiles) {
 		
-//		this.where = "<<<<<< NORMAL METHOD >>>>>>";
-		
 		this.className = className;
 		this.resultSet = resultSet;
 		this.m = m;
@@ -77,9 +75,6 @@ public class BytecodeGenMethod implements StatementVisitor{
 		this.genericsAndBounds = genericsAndBounds;
 		this.isInterface = isInterface;
 		this.classFiles = classFiles;
-		this.lamCounter = -1;
-		
-		this.varsFunInterface = new ArrayList<>();
 		
 		if(!isInterface)
 			this.m.block.accept(this);
@@ -89,13 +84,10 @@ public class BytecodeGenMethod implements StatementVisitor{
 	public BytecodeGenMethod(LambdaExpression lambdaExpression,ResultSet resultSet ,MethodVisitor mv, 
 			 int indexOfFirstParamLam, boolean isInterface, HashMap<String, byte[]> classFiles) {
 		
-//		this.where = "<<<<<< LAMBDA METHOD >>>>>>";
 		this.resultSet = resultSet;
 		this.mv = mv;
 		this.isInterface = isInterface;
 		this.classFiles = classFiles;
-		this.lamCounter = -1;
-		this.varsFunInterface = new ArrayList<>();
 
 		Iterator<FormalParameter> itr = lambdaExpression.params.iterator();
 		int i = indexOfFirstParamLam;
@@ -124,51 +116,61 @@ public class BytecodeGenMethod implements StatementVisitor{
 	public void visit(SuperCall superCall) {
 		superCall.receiver.accept(this);
 		superCall.arglist.accept(this);
-//		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", superCall.name, desc,false);
 		mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Object.class), superCall.name, "()V",isInterface);
 	}
 	
 	// ??
 	@Override
 	public void visit(LocalVar localVar) {
-//		System.out.println("in Local Var: " + localVar.name);
 		mv.visitVarInsn(Opcodes.ALOAD, paramsAndLocals.get(localVar.name));
+		if(isBinaryExp) {
+			getVlaue(getResolvedType(localVar.getType()));
+		}
 	}
 	// ??
 	@Override
 	public void visit(LocalVarDecl localVarDecl) {
-//		Integer i;
-//		paramsAndLocals.put(localVarDecl.getName(), paramsAndLocals.size()+1);
-//		System.out.println("In localVarDecl :: "+localVarDecl.getName());
+
 	}
 
 	@Override
 	public void visit(Assign assign) {
-//		System.out.println("Assign : \nright = "+assign.rightSide + "\nLeft = " + assign.lefSide);
-		
 		// if the right side is a lambda => the left side must be a functional interface
-		if(assign.rightSide.getClass().equals(LambdaExpression.class)) {
+		if(assign.rightSide instanceof LambdaExpression) {
 			isRightSideALambda = true;
 		}else {
 			isRightSideALambda = false;
 		}
 		
-		if(assign.lefSide.getClass().equals(AssignToField.class)) {
+		if(assign.rightSide instanceof BinaryExpr)
+			isBinaryExp = true;
+		
+		if(assign.lefSide instanceof AssignToField) {
 			// load_0, ldc or .. then putfield
 			this.rightSideTemp = assign.rightSide;
-			assign.lefSide.accept(this);
 		}else {
 			assign.rightSide.accept(this);
-			assign.lefSide.accept(this);
 		}
+		if(isBinaryExp) {
+			doAssign(getResolvedType(assign.lefSide.getType()));
+			isBinaryExp = false;
+		}
+		assign.lefSide.accept(this);
 	}
 	
 	@Override
-
 	public void visit(BinaryExpr binary) {
-		System.out.println("\t++ In Binary: ");
-		System.out.println(binary.operation.toString());
+		binary.lexpr.accept(this);
+		binary.rexpr.accept(this);
+		switch (binary.operation.toString()) {
+		case "ADD":
+			mv.visitInsn(Opcodes.IADD);
+			break;
 
+		default:
+			break;
+		}
+		
 	}
 	
 	@Override
@@ -330,12 +332,6 @@ public class BytecodeGenMethod implements StatementVisitor{
 
 	@Override
 	public void visit(MethodCall methodCall) {
-//		if(methodCall.receiver instanceof ExpressionReceiver){
-//			System.out.print(((ExpressionReceiver) methodCall.receiver).expr + "\n");
-//		}else{
-//			System.out.print(((StaticClassName) methodCall.receiver).getType().toString() + "\n");
-//		}
-		
 		methodCall.receiver.accept(this);
 		methodCall.arglist.accept(this);
 		
@@ -343,8 +339,6 @@ public class BytecodeGenMethod implements StatementVisitor{
 				genericsAndBoundsMethod,genericsAndBounds);
 		String mDesc = method.accept(new DescriptorToString(resultSet));
 		
-//		System.out.println("is Vars empty: "+varsFunInterface.isEmpty());
-
 		// is methodCall.receiver functional Interface)?
 		if(varsFunInterface.contains(methodCall.receiver.getType())) {
 			mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, getResolvedType(methodCall.receiver.getType()), 
@@ -361,8 +355,6 @@ public class BytecodeGenMethod implements StatementVisitor{
 
 	@Override
 	public void visit(NewClass methodCall) {
-//		System.out.println("In NewClass: ");
-//		System.out.println("\t\tname: " + methodCall.name + " *** " + "Receiver: " + methodCall.receiver);
 		
 		mv.visitTypeInsn(Opcodes.NEW, methodCall.name.replace(".", "/"));
 		mv.visitInsn(Opcodes.DUP);
@@ -437,9 +429,53 @@ public class BytecodeGenMethod implements StatementVisitor{
 	@Override
 	public void visit(Literal literal) {
 		Object value = literal.value;
-		switch (resultSet.resolveType(literal.getType()).resolvedType.acceptTV(new TypeToDescriptor())) {
+		String typeOfLiteral = resultSet.resolveType(literal.getType()).resolvedType.acceptTV(new TypeToDescriptor());
+		if(this.isBinaryExp) {
+			getVlaue(typeOfLiteral);
+		}else {
+			doAssign(typeOfLiteral, value);
+		}
+		
+		
+	}
+	
+	private void getVlaue(String typeOfLiteral) {
+		switch (typeOfLiteral) {
 		case "java/lang/String":
-			mv.visitLdcInsn(value);
+			break;
+		case "java/lang/Boolean":
+			break;
+		case "java/lang/Byte":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", 
+					"(B)Ljava/lang/Byte;", false);
+			break;
+		case "java/lang/Short":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", 
+					"(S)Ljava/lang/Short;", false);
+			break;
+		case "java/lang/Integer":
+			mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Integer", "intValue", 
+					"()I", false);
+			break;
+		case "java/lang/Long":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", 
+					"(J)Ljava/lang/Long;", false);
+			break;
+		case "java/lang/Float":
+			break;
+		case "java/lang/Double":
+			break;
+		case "java/lang/Character":
+			break;
+		default:
+			break;
+		}
+	}
+
+	private void doAssign(String type, Object value) {
+		switch (type) {
+		case "java/lang/String":
+			mv.visitLdcInsn(String.valueOf(value));
 			break;
 		case "java/lang/Boolean":
 			visitBooleanLiteral((Boolean) value);
@@ -479,8 +515,41 @@ public class BytecodeGenMethod implements StatementVisitor{
 		}
 	}
 	
+	private void doAssign(String type) {
+		switch (type) {
+		case "java/lang/String":
+			break;
+		case "java/lang/Boolean":
+			break;
+		case "java/lang/Byte":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", 
+					"(B)Ljava/lang/Byte;", false);
+			break;
+		case "java/lang/Short":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", 
+					"(S)Ljava/lang/Short;", false);
+			break;
+		case "java/lang/Integer":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", 
+					"(I)Ljava/lang/Integer;", false);
+			break;
+		case "java/lang/Long":
+			mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", 
+					"(J)Ljava/lang/Long;", false);
+			break;
+		case "java/lang/Float":
+			break;
+		case "java/lang/Double":
+			break;
+		case "java/lang/Character":
+			break;
+		default:
+			break;
+		}
+	}
+
 	private void visitCharLiteral(Character value) {
-		mv.visitIntInsn(Opcodes.BIPUSH, Character.getNumericValue(value.charValue()));
+		mv.visitIntInsn(Opcodes.BIPUSH, (int) value);
 		mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Character", "valueOf", 
 				"(C)Ljava/lang/Character;", false);
 	}

test/bytecode/AssignToLit.jav

@@ -10,21 +10,21 @@ import java.lang.Character;
 
 class AssignToLit {
 	void m(){
-		String s = "Test";
-		Boolean b = false;
-		Byte byte1 = 5;
-		Byte byte2 = 55;
-		Short short1 = 5;
-		Short short2 = 55;
-		Integer int1 = 5;
-		Integer int2 = 8888888;
-		Long long1 = 1;
-		Long long2 = 5;
-		Long long3 = 89989898;
-		Float float1 = 1;
-		Float float2 = 55;
-		Double d1 = 1;
-		Double d2 = 55;
+//		String s = "Test";
+//		Boolean b = false;
+//		Byte byte1 = 5;
+//		Byte byte2 = 55;
+//		Short short1 = 5;
+//		Short short2 = 55;
+//		Integer int1 = 5;
+//		Integer int2 = 8888888;
+//		Long long1 = 1;
+//		Long long2 = 5;
+//		Long long3 = 89989898;
+//		Float float1 = 1;
+//		Float float2 = 55;
+//		Double d1 = 1;
+//		Double d2 = 55;
 		Character c = 'A';
 	}
 }

test/bytecode/For.jav

@@ -2,19 +2,19 @@ import java.lang.Integer;
 import java.lang.Boolean;
 
 class For{
-	m(Integer x){
-		
-		Boolean b = true;
-		c = 5;
-		c++;
-		++c;
-		c--;
-		--c;
-		while(x<2){
-			x = x +1;
-			b = false;
-		}
-		return x;
+	Integer m(Integer x){
+		var c = x + 2;
+//		Boolean b = true;
+//		c = 5;
+//		c++;
+//		++c;
+//		c--;
+//		--c;
+//		while(x<2){
+//			x = x +1;
+//			b = false;
+//		}
+		return c;
 //		for(int i = 0;i<10;i++) {
 //			x = x + 5;
 //		}

test/bytecode/Op.jav

@@ -0,0 +1,12 @@
+import java.lang.Integer;
+
+class Op {
+	m(Integer a, Integer b) {
+		Integer c = a+b;
+//		d = a-b;
+//		e = a*b;
+//		f = a/b;
+		
+		return c;
+	}
+}

test/bytecode/OpTest.java

@@ -0,0 +1,7 @@
+package bytecode;
+
+public class OpTest extends JavaTXCompilerTest {
+	public OpTest() {
+		this.fileName = "Op";
+	}
+}

test/parser/OpratorTest.jav

@@ -3,9 +3,9 @@ import java.lang.Integer;
 class OpratorTest {
 	m(Integer a, Integer b) {
 		c = a+b;
-		d = a-b;
-		e = a*b;
-		f = a/b;
+//		d = a-b;
+//		e = a*b;
+//		f = a/b;
 		
 		return c;
 	}