Parser um return und method call erweitern

src/de/dhbwstuttgart/parser/CompilationUnitEvaluator.java

@@ -1,25 +0,0 @@
-package de.dhbwstuttgart.parser;
-import de.dhbwstuttgart.parser.antlr.Java8BaseListener;
-import de.dhbwstuttgart.parser.antlr.Java8Parser;
-
-public class CompilationUnitEvaluator extends Java8BaseListener {
-	@Override
-	public void enterCompilationUnit(Java8Parser.CompilationUnitContext ctx) {
-		System.out.println("SourceFile(");
-	}
-	@Override
-	public void exitCompilationUnit(Java8Parser.CompilationUnitContext ctx) {
-		System.out.println(")");
-	}
-	
-	@Override
-	public void enterPackageDeclaration(Java8Parser.PackageDeclarationContext ctx) {
-		System.out.println("package(");
-	}
-	
-	@Override
-	public void exitPackageDeclaration(Java8Parser.PackageDeclarationContext ctx) {
-		System.out.println(ctx.Identifier());
-		System.out.println(")");
-	}
-}

src/de/dhbwstuttgart/parser/SyntaxTreeGenerator.java

@@ -1,5 +1,6 @@
 package de.dhbwstuttgart.parser;
 
+import com.sun.corba.se.spi.monitoring.StatisticMonitoredAttribute;
 import de.dhbwstuttgart.parser.antlr.Java8Parser;
 import de.dhbwstuttgart.syntaxtree.*;
 import de.dhbwstuttgart.syntaxtree.modifier.*;
@@ -178,6 +179,71 @@ public class SyntaxTreeGenerator{
   }
 
   private Block convert(Java8Parser.BlockContext block) {
+    List<Statement> statements = new ArrayList<>();
+    if(block.blockStatements() != null)
+    for(Java8Parser.BlockStatementContext statementContext : block.blockStatements().blockStatement()){
+      List<Statement> stmt = convert(statementContext);
+      statements.addAll(stmt);
+    }
+
+    return new Block(statements, block.getStart());
+  }
+
+  private List<Statement> convert(Java8Parser.BlockStatementContext statementContext) {
+    List<Statement> ret = new ArrayList<>();
+    if(statementContext.localVariableDeclarationStatement() != null){
+      Java8Parser.LocalVariableDeclarationContext declaration = statementContext.localVariableDeclarationStatement().localVariableDeclaration();
+      RefTypeOrTPH type;
+      if(declaration.unannType()==null){
+        type = TypePlaceholder.fresh(declaration.getStart());
+      }else{
+        type = convert(declaration.unannType());
+      }
+      for(Java8Parser.VariableDeclaratorContext varDecl : declaration.variableDeclaratorList().variableDeclarator()){
+        TerminalNode name = varDecl.variableDeclaratorId().Identifier();
+        ret.add(new LocalVarDecl(name.getText(), type, name.getSymbol()));
+      }
+      return ret;
+    }else if(statementContext.classDeclaration() != null){
+      throw new NotImplementedException();
+    }else{
+      Java8Parser.StatementContext stmt = statementContext.statement();
+      if(stmt.statementWithoutTrailingSubstatement() != null){
+        if(stmt.statementWithoutTrailingSubstatement().returnStatement() != null){
+          Java8Parser.ReturnStatementContext returnStatementContext = stmt.statementWithoutTrailingSubstatement().returnStatement();
+          Statement retExpr = convert(returnStatementContext.expression());
+          ret.add(new Return(retExpr,returnStatementContext.getStart()));
+        }else if(stmt.statementWithoutTrailingSubstatement().expressionStatement().statementExpression().methodInvocation() != null){
+          Java8Parser.MethodInvocationContext methodInvocationContext = stmt.statementWithoutTrailingSubstatement().expressionStatement().statementExpression().methodInvocation();
+          ret.add(convert(methodInvocationContext));
+        }else throw new NotImplementedException();
+
+      }else if(stmt.whileStatement() != null){
+        throw new NotImplementedException();
+
+      }else throw new NotImplementedException();
+      return ret;
+    }
+  }
+
+  private Statement convert(Java8Parser.MethodInvocationContext methodInvocationContext) {
+    String name = methodInvocationContext.methodName().Identifier().getText();
+    Expr receiver;
+    if(methodInvocationContext.typeName() == null){
+      receiver = new This(methodInvocationContext.getStart());
+    }else{
+      receiver = convert(methodInvocationContext.typeName());
+    }
+
+    ArgumentList argumentList = null;
+    return new MethodCall(new Receiver(receiver), name, argumentList, methodInvocationContext.getStart());
+  }
+
+  private Expr convert(Java8Parser.TypeNameContext typeNameContext) {
+    return null;
+  }
+
+  private Statement convert(Java8Parser.ExpressionContext expression) {
     return null;
   }
 

src/de/dhbwstuttgart/parser/antlr/Java8.g4

@@ -352,7 +352,7 @@ variableDeclaratorList
 	;
 
 variableDeclarator
-	:	variableDeclaratorId ('=' variableInitializer)?
+	:	variableDeclaratorId //('=' variableInitializer)? //auskommentiert, weil variablenDecklaration sonst nicht eindeutig
 	;
 
 variableDeclaratorId

src/de/dhbwstuttgart/syntaxtree/statement/Assign.java

@@ -2,12 +2,13 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPH;
+import org.antlr.v4.runtime.Token;
 
 
 public class Assign extends ExprStmt
 {
 
-    public Assign(RefTypeOrTPH type, int offset) {
+    public Assign(RefTypeOrTPH type, Token offset) {
 		super(type, offset);
 	}
 

src/de/dhbwstuttgart/syntaxtree/statement/Binary.java

@@ -14,7 +14,7 @@ public class Binary extends BinaryExpr
 
     public Binary(int offset, int variableLength)
     {
-        super(offset,variableLength);
+        super(null);
     }
 
 

src/de/dhbwstuttgart/syntaxtree/statement/BinaryExpr.java

@@ -1,17 +1,14 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 
 
+import org.antlr.v4.runtime.Token;
 
 public abstract class BinaryExpr extends Expr
 {
 
-    public BinaryExpr(int offset,int variableLength)
+    public BinaryExpr(Token offset)
     {
-        super(null,variableLength);
+        super(null,null);
     }
-    
-    
-    //    abstract public void if_codegen(ClassFile classfile, Code_attribute code, boolean sw) throws jvmCode_Exception;
-    //    abstract public void not_codegen(ClassFile classfile, Code_attribute code) throws jvmCode_Exception;
 
 }

src/de/dhbwstuttgart/syntaxtree/statement/Block.java

@@ -1,6 +1,7 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 import java.util.*;
 
+import org.antlr.v4.runtime.Token;
 import  org.apache.bcel.Constants;
 import  org.apache.bcel.generic.ClassGen;
 import  org.apache.bcel.generic.ConstantPoolGen;
@@ -18,8 +19,8 @@ public class Block extends Statement
     private ConstantPoolGen    _cp;
     private ClassGen           _cg;
     
-    public Block(List<Statement> statements, int offset) {
+    public Block(List<Statement> statements, Token offset) {
-		super(null, 0);
+		super(null, offset);
 		this.statements = statements;
 	}
 

src/de/dhbwstuttgart/syntaxtree/statement/CastExpr.java

@@ -7,7 +7,7 @@ public class CastExpr extends Expr
 {
     public CastExpr(RefTypeOrTPH castType, Expr expr, int offset)
     {
-        super(null, 0);
+        super(null, null);
     }
 
     public Expr expr;

src/de/dhbwstuttgart/syntaxtree/statement/EmptyStmt.java

@@ -12,7 +12,7 @@ public class EmptyStmt extends Statement
 {
     public EmptyStmt()
     {
-        super(null,-1);
+        super(null,null);
     }
 
     

src/de/dhbwstuttgart/syntaxtree/statement/Executable.java

@@ -3,12 +3,13 @@ package de.dhbwstuttgart.syntaxtree.statement;
 
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPH;
 import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
+import org.antlr.v4.runtime.Token;
 
-public abstract class Executeable extends SyntaxTreeNode
+public abstract class Executable extends SyntaxTreeNode
 {
 	private RefTypeOrTPH type;
 		
-   	public Executeable(RefTypeOrTPH type, int offset) {
+   	public Executable(RefTypeOrTPH type, Token offset) {
 		this.type = type;
 	}
 

src/de/dhbwstuttgart/syntaxtree/statement/Expr.java

@@ -2,12 +2,13 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPH;
+import org.antlr.v4.runtime.Token;
 
 
-public abstract class Expr extends Executeable
+public abstract class Expr extends Executable
 {
 
-    public Expr(RefTypeOrTPH type, int offset) {
+    public Expr(RefTypeOrTPH type, Token offset) {
 		super(type, offset);
 	}
 

src/de/dhbwstuttgart/syntaxtree/statement/ExprStmt.java

@@ -1,10 +1,11 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPH;
+import org.antlr.v4.runtime.Token;
 
-public abstract class ExprStmt extends Executeable{
+public abstract class ExprStmt extends Executable {
 
-	public ExprStmt(RefTypeOrTPH type, int offset) {
+	public ExprStmt(RefTypeOrTPH type, Token offset) {
 		super(type, offset);
 	}
 }

src/de/dhbwstuttgart/syntaxtree/statement/ForStmt.java

@@ -18,7 +18,7 @@ public class ForStmt extends Statement
 
 	public ForStmt(int offset, int variableLength)
     {
-        super(null,variableLength);
+        super(null,null);
     }
     
     void sc_check(List<ClassOrInterface> classname, Hashtable ch, Hashtable<String, String> bh, boolean ext, Hashtable parach, Hashtable<String, Hashtable> parabh)

src/de/dhbwstuttgart/syntaxtree/statement/IfStmt.java

@@ -25,7 +25,7 @@ public class IfStmt extends Statement
 {
     public IfStmt(int offset, int variableLength)
     {
-        super(null,variableLength);
+        super(null,null);
     }
     
     public boolean hamaDebug = true;    //hama: Debug Ausgaben von mir ein- bzw. ausschalten

src/de/dhbwstuttgart/syntaxtree/statement/InstVar.java

@@ -15,7 +15,7 @@ public class InstVar extends Expr
     protected String type;  //???? BRAUCHT MAN DEN???
     public InstVar(Expr e, String n, int offset)
     {
-        super(null,n.length());
+        super(null,null);
         expr = e;
     }
 

src/de/dhbwstuttgart/syntaxtree/statement/InstanceOf.java

@@ -13,7 +13,7 @@ public class InstanceOf extends BinaryExpr
     
     public InstanceOf(int offset,int variableLength)
     {
-        super(offset,variableLength);
+        super(null);
         // #JB# 20.04.2005
     }
 

src/de/dhbwstuttgart/syntaxtree/statement/LambdaExpression.java

@@ -22,7 +22,7 @@ public class LambdaExpression extends Expr{
 	private ParameterList params;
 	
 	public LambdaExpression(int offset, int variableLength) {
-		super(null, variableLength);
+		super(null, null);
 	}
 
 

src/de/dhbwstuttgart/syntaxtree/statement/Literal.java

@@ -12,7 +12,7 @@ public abstract class Literal extends Expr
     private boolean primitiveFlag=true;
 
     public Literal(RefTypeOrTPH o, int i) {
-        super(null, i);
+        super(null, null);
     }
 
     public void setPrimitiveFlag(boolean b)

src/de/dhbwstuttgart/syntaxtree/statement/LocalOrFieldVarOrClassname.java

@@ -2,6 +2,8 @@ package de.dhbwstuttgart.syntaxtree.statement;
 import java.util.Enumeration;
 import java.util.Hashtable;
 
+import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import org.antlr.v4.runtime.Token;
 import org.apache.bcel.Constants;
 import  org.apache.bcel.generic.ClassGen;
 import org.apache.bcel.generic.Instruction;
@@ -16,17 +18,14 @@ import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
 public class LocalOrFieldVarOrClassname extends Expr
 {
 
-	private boolean isFieldAccess = false;
+    private final String name;
+    private boolean isFieldAccess = false;
 	private boolean isClassAccess = false;
 
-    public LocalOrFieldVarOrClassname(int offset, int variableLength)
+    public LocalOrFieldVarOrClassname(String n, Token offset)
     {
-        super(null,variableLength);
+        super(TypePlaceholder.fresh(offset),offset);
-    }
+        this.name = n;
-
-    public LocalOrFieldVarOrClassname(String n, int offset)
-    {
-        super(null,n.length());
     }
 
 

src/de/dhbwstuttgart/syntaxtree/statement/LocalVarDecl.java

@@ -1,13 +1,19 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 
 
+import de.dhbwstuttgart.syntaxtree.type.RefType;
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPH;
+import org.antlr.v4.runtime.Token;
+
 public class LocalVarDecl extends Statement
 {
-    public LocalVarDecl(int offset,int variableLength)
+
+    private String name;
+
+    public LocalVarDecl(String name, RefTypeOrTPH type, Token offset)
     {
-        super(null,variableLength);
+        super(type, offset);
+        this.name = name;
     }
 
-    public Block block;
-
 }

src/de/dhbwstuttgart/syntaxtree/statement/MethodCall.java

@@ -1,6 +1,7 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 import java.util.Hashtable;
 
+import org.antlr.v4.runtime.Token;
 import org.apache.bcel.Const;
 import  org.apache.bcel.Constants;
 import  org.apache.bcel.generic.ClassGen;
@@ -14,17 +15,13 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 
 
 
-public class MethodCall extends Expr
+public class MethodCall extends Statement
 {
-	public MethodCall(Receiver receiver, String methodName, ArgumentList argumentList, int offset){
+	public MethodCall(Receiver receiver, String methodName, ArgumentList argumentList, Token offset){
-		this(offset, 0);
+		super(TypePlaceholder.fresh(offset),offset);
 		this.set_ArgumentList(argumentList);
 	}
-	
+
-    public MethodCall(int offset, int variableLength)
-    {
-        super(null,variableLength);
-    }
 
     /**
      * Diese Variable speichert die Expression, welche die Klasse von welcher die Methode aufgerufen wird darstellt.

src/de/dhbwstuttgart/syntaxtree/statement/NewArray.java

@@ -8,7 +8,7 @@ public class NewArray extends Expr
 {
     public NewArray(int offset,int variableLength)
     {
-        super(null,variableLength);
+        super(null,null);
     }
     private RefTypeOrTPH type;
     public List<Expr> expr;

src/de/dhbwstuttgart/syntaxtree/statement/NewClass.java

@@ -11,7 +11,7 @@ public class NewClass extends Expr
 {
     public NewClass(int offset,int variableLength)
     {
-        super(null,variableLength);
+        super(null,null);
     }
 
     private ArgumentList arglist;

src/de/dhbwstuttgart/syntaxtree/statement/Return.java

@@ -1,6 +1,8 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 import java.util.Hashtable;
 
+import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPH;
+import org.antlr.v4.runtime.Token;
 import  org.apache.bcel.generic.ConstantPoolGen;
 import  org.apache.bcel.generic.InstructionFactory;
 import  org.apache.bcel.generic.InstructionList;
@@ -13,9 +15,9 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
 
 public class Return extends Statement
 {
-    public Return(int offset,int variableLength)
+    public Return(Statement retExpr, Token offset)
     {
-        super(null,variableLength);
+        super(null,null);
     }
     public Expr retexpr;
     

src/de/dhbwstuttgart/syntaxtree/statement/Statement.java

@@ -1,13 +1,14 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 
 import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPH;
+import org.antlr.v4.runtime.Token;
 
 
-public abstract class Statement extends Executeable
+public abstract class Statement extends Executable
 {
     
     
-    public Statement(RefTypeOrTPH type, int offset)
+    public Statement(RefTypeOrTPH type, Token offset)
     {
     	super(type,offset);
     }

src/de/dhbwstuttgart/syntaxtree/statement/This.java

@@ -1,16 +1,13 @@
 package de.dhbwstuttgart.syntaxtree.statement;
 
 import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
+import org.antlr.v4.runtime.Token;
 
 public class This extends Expr
 {
-    public This(int offset,int variableLength)
+    public This(Token offset)
     {
-        super(null,variableLength);
+        super(null,null);
-    }
-
-    public This(SyntaxTreeNode parent){
-    	this(0,0);
     }
     
     public ArgumentList arglist;

src/de/dhbwstuttgart/syntaxtree/statement/ThisCall.java

@@ -8,7 +8,7 @@ public class ThisCall extends MethodCall
 {
     public ThisCall(Receiver receiver, ArgumentList arglist, int offset)
     {
-		super(null, null, null, 0);
+		super(null, null, null, null);
 
 	}
     

src/de/dhbwstuttgart/syntaxtree/statement/UnaryExpr.java

@@ -8,7 +8,7 @@ public abstract class UnaryExpr extends MethodCall
 
     public UnaryExpr(int offset,int variableLength)
     {
-        super(offset,variableLength);
+        super(null,null,null,null);
     }
 
     

src/de/dhbwstuttgart/syntaxtree/statement/WhileStmt.java

@@ -5,7 +5,7 @@ public class WhileStmt extends Statement
 {
     public WhileStmt(int offset, int variableLength)
     {
-        super(null,variableLength);
+        super(null,null);
     }
 
     public Expr expr;

test/parser/GeneralParserTest.java

@@ -27,6 +27,7 @@ public class GeneralParserTest{
 		List<String> filenames = new ArrayList<String>();
 		filenames.add("FieldInitializationTest.jav");
 		filenames.add("ImportTest.jav");
+		filenames.add("StatementsTest.jav");
 		filenames.add("ImportTestGeneric.jav");
 		//filenames.add("BoundedParameter.jav");
 		//filenames.add("GenericFieldVarTest.jav");

test/parser/StatementsTest.jav

@@ -0,0 +1,8 @@
+class Statements{
+
+public void methodeTest(){
+    methodeTest();
+    return null;
+}
+
+}