Merge branch 'bytecode2' of ssh://gohorb.ba-horb.de/bahome/projekt/git/JavaCompilerCore into bytecode2

doc/parser.md

@@ -0,0 +1,24 @@
+# Dateien
+* sämtliche Datein im Ordner de.dhbwstuttgart.parser gehören zum Parser
+* Auch zu beachten: pom.xml
+	* Ein Teil der pom.xml instruiert maven zur Kompilierung der Java8.g4 Datei
+	* VORSICHT! Wird nicht zwangsläufig von der IDE ausgeführt
+	* siehe Kapitel "Grammatik -> Parser"
+
+
+## Unterordner antlr
+* Java8.g4
+	* die eigentliche Java Grammatik
+	* hier wurden Anpassungen vorgenommen, damit sie auch typloses Java annimmt
+* alle anderen Dateien in diesem Ordner sind vom ANTLR-Parsergenerator autogeneriert
+
+## Unterordner SyntaxTreeGenerator
+* SyntaxTreeGenerator
+* TODO
+
+# Grammatik -> Parser
+* Die Antlr-Grammatik (Java8.g4) wandelt 
+* Folgende Stellen sind relevant
+	* TODO
+
+

src/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java

@@ -223,7 +223,7 @@ public class BytecodeGenMethod implements StatementVisitor {
 		}
 
 		Label endLabel = new Label();
-		// this case for while loops
+		// this case for while loops and If statements
 		if (statement instanceof LoopStmt)
 			mv.visitLabel(endLabel);
 		
@@ -270,6 +270,8 @@ public class BytecodeGenMethod implements StatementVisitor {
 		case LESSEQUAL:
 		case BIGGERTHAN:
 		case BIGGEREQUAL:
+		case EQUAL:
+		case NOTEQUAL:
 			Label branchLabel = new Label();
 			doVisitRelOpInsn(op, largerType, branchLabel, endLabel);
 			break;
@@ -644,7 +646,10 @@ public class BytecodeGenMethod implements StatementVisitor {
 
 	@Override
 	public void visit(IfStmt ifStmt) {
-		System.out.println("If");
+		statement = new IfStatement(ifStmt.expr, ifStmt.then_block, ifStmt.else_block);
+		isBinaryExp = statement.isExprBinary();
+		ifStmt.expr.accept(this);
+		statement = null;
 	}
 
 	@Override

src/de/dhbwstuttgart/bytecode/IfStatement.java

@@ -0,0 +1,31 @@
+package de.dhbwstuttgart.bytecode;
+
+import org.objectweb.asm.Label;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+
+import de.dhbwstuttgart.syntaxtree.statement.Expression;
+import de.dhbwstuttgart.syntaxtree.statement.Statement;
+
+public class IfStatement extends AStatement{
+	
+	private Statement then_block;
+    private Statement else_block;
+    
+	public IfStatement(Expression expr, Statement then_block, Statement else_block) {
+		super(expr);
+		this.then_block = then_block;
+		this.else_block = else_block;
+	}
+	
+	@Override
+	public void genBCForRelOp(MethodVisitor mv,Label branchLabel, Label endLabel, BytecodeGenMethod bytecodeGenMethod) {
+		bytecodeGenMethod.isBinary(false);
+		this.then_block.accept(bytecodeGenMethod);
+		
+		mv.visitLabel(branchLabel);
+		this.else_block.accept(bytecodeGenMethod);
+//		mv.visitLabel(endLabel);
+//		mv.visitJumpInsn(Opcodes.GOTO, endLabel);
+	}
+}

src/de/dhbwstuttgart/bytecode/signature/Signature.java

@@ -178,7 +178,6 @@ public class Signature {
 				if(hasTPHs(ref))
 					createSignatureForParameterizedType(ref);
 				
-				System.out.println("HAS WC = " + hasWC(ref));
 				if(hasWC(ref))
 					createSigForParamTypeWithWC(ref);
 			}
@@ -234,7 +233,6 @@ public class Signature {
 			if(p instanceof WildcardType) {
 				if(((WildcardType) p).getInnerType() instanceof GenericRefType) {
 					String name = new TypeToSignature().visit((GenericRefType)((WildcardType) p).getInnerType());
-					System.out.println("NAME WC = " + name);
 					if(!genericsAndBoundsMethod.containsKey(name) && !genericsAndBounds.containsKey(name)) {
 						sw.visitFormalTypeParameter(name);
 						sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));

src/de/dhbwstuttgart/bytecode/signature/TypeToSignature.java

@@ -34,9 +34,9 @@ public class TypeToSignature implements TypeVisitor<String> {
 //                		params += "L"+param.toString().replace(".", "/");
 //                }
                 params += param.acceptTV(new TypeToSignature());
-                if(!(param instanceof RefType))
+
+                if(param instanceof TypePlaceholder)
                 	params += ";";
-//                if(it.hasNext())params += ";";
             }
             params += ">";
         }

test/bytecode/Tph5Test.java

@@ -36,8 +36,9 @@ public class Tph5Test {
 
 	@Test
 	public void test() throws Exception {
-		Method m = classToTest.getDeclaredMethod("m", Object.class, Object.class, Object.class);
-		Object result = m.invoke(instanceOfClass, "xx",2,3);
+//		Method m = classToTest.getDeclaredMethod("m", Object.class, Object.class, Object.class);
+		Method m = classToTest.getDeclaredMethod("m", Object.class, Object.class);
+//		Object result = m.invoke(instanceOfClass, "xx",2,3);
 		
 		//assertEquals(2,result);
 	}

test/bytecode/javFiles/Faculty.jav

@@ -1,17 +1,32 @@
 import java.lang.Integer;
 
-class Faculty {
+public class Faculty {
 
-  m () {
+  m (x) {
 	  
-   var fact = (x) -> {
-   	  if (x == 1) {
-        return x;
-      }
-      else {
-        return x * (fact.apply(x-1));
-      }
-   };
-   return fact;
+//   var fact = (x) -> {
+//   	  if (x == 1) {
+//        return x;
+//      }
+//      else {
+//        return x * (fact.apply(x-1));
+//      }
+//   };
+//   return fact;
+//	  var x = 13;
+//	  if(x>22) {
+//			return 0;
+//		}else if(x <1){
+//			return x;
+//		}else {
+//			return 1;
+//		}
+	  
+	  if (x == 1) {
+	        return x;
+	      }
+	      else {
+	        return x * m(x-1);
+	      }
   }
 }

test/bytecode/javFiles/Tph5.jav

@@ -1,7 +1,13 @@
 public class Tph5 {
-	m(a,b,c){
-		a = c;
-		b = c;
-		return a;
+//	m(a,b,c){
+//		a = c;
+//		b = c;
+//		return a;
+//	}
+	
+	m(x,y){
+		x = m2(y); 
 	}
+	
+	m2(y) { return y; }
 }