예제 #1
0
 public void createBCode(CodeGeneration gen) {
   super.createBCode(gen);
   if (hasResult()) {
     TypeDecl type = null;
     BodyDecl b = enclosingBodyDecl();
     if (b instanceof MethodDecl) {
       type = ((MethodDecl) b).type();
     } else {
       throw new Error("Can not create code that returns value within non method");
     }
     getResult().createBCode(gen);
     getResult().type().emitCastTo(gen, type);
     if (!finallyList().isEmpty()) {
       type.emitStoreLocal(gen, resultSaveLocalNum());
     }
     for (Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
       FinallyHost stmt = (FinallyHost) iter.next();
       gen.emitJsr(stmt.label_finally_block());
     }
     if (!finallyList().isEmpty()) {
       type.emitLoadLocal(gen, resultSaveLocalNum());
     }
     type.emitReturn(gen);
   } else {
     for (Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
       FinallyHost stmt = (FinallyHost) iter.next();
       gen.emitJsr(stmt.label_finally_block());
     }
     gen.emitReturn();
   }
 }
예제 #2
0
 /** @apilevel internal */
 private SimpleSet memberTypes_compute(String name) {
   SimpleSet set = localTypeDecls(name);
   if (!set.isEmpty()) return set;
   for (Iterator outerIter = superinterfacesIterator(); outerIter.hasNext(); ) {
     TypeDecl typeDecl = (TypeDecl) outerIter.next();
     for (Iterator iter = typeDecl.memberTypes(name).iterator(); iter.hasNext(); ) {
       TypeDecl decl = (TypeDecl) iter.next();
       if (!decl.isPrivate()) set = set.add(decl);
     }
   }
   return set;
 }
예제 #3
0
 /** @apilevel internal */
 private HashMap memberFieldsMap_compute() {
   HashMap map = new HashMap(localFieldsMap());
   for (Iterator outerIter = superinterfacesIterator(); outerIter.hasNext(); ) {
     TypeDecl typeDecl = (TypeDecl) outerIter.next();
     for (Iterator iter = typeDecl.fieldsIterator(); iter.hasNext(); ) {
       FieldDeclaration f = (FieldDeclaration) iter.next();
       if (f.accessibleFrom(this) && !f.isPrivate() && !localFieldsMap().containsKey(f.name())) {
         putSimpleSetElement(map, f.name(), f);
       }
     }
   }
   return map;
 }
예제 #4
0
 /** @apilevel internal */
 private SimpleSet memberFields_compute(String name) {
   SimpleSet fields = localFields(name);
   if (!fields.isEmpty()) return fields;
   for (Iterator outerIter = superinterfacesIterator(); outerIter.hasNext(); ) {
     TypeDecl typeDecl = (TypeDecl) outerIter.next();
     for (Iterator iter = typeDecl.memberFields(name).iterator(); iter.hasNext(); ) {
       FieldDeclaration f = (FieldDeclaration) iter.next();
       if (f.accessibleFrom(this) && !f.isPrivate()) {
         fields = fields.add(f);
       }
     }
   }
   return fields;
 }
예제 #5
0
  public boolean process(String[] args, BytecodeReader reader, JavaParser parser) {
    program.initBytecodeReader(reader);
    program.initJavaParser(parser);

    initOptions();
    processArgs(args);

    Collection files = program.options().files();

    if (program.options().hasOption("-version")) {
      printVersion();
      return false;
    }
    if (program.options().hasOption("-help") || files.isEmpty()) {
      printUsage();
      return false;
    }

    try {
      for (Iterator iter = files.iterator(); iter.hasNext(); ) {
        String name = (String) iter.next();
        if (!new File(name).exists())
          System.err.println("WARNING: file \"" + name + "\" does not exist");
        program.addSourceFile(name);
      }

      for (Iterator iter = program.compilationUnitIterator(); iter.hasNext(); ) {
        CompilationUnit unit = (CompilationUnit) iter.next();
        if (unit.fromSource()) {
          Collection errors = unit.parseErrors();
          Collection warnings = new LinkedList();
          // compute static semantic errors when there are no parse errors or
          // the recover from parse errors option is specified
          if (errors.isEmpty() || program.options().hasOption("-recover"))
            unit.errorCheck(errors, warnings);
          if (!errors.isEmpty()) {
            processErrors(errors, unit);
            return false;
          } else {
            if (!warnings.isEmpty()) processWarnings(warnings, unit);
            processNoErrors(unit);
          }
        }
      }
    } catch (Exception e) {
      System.err.println(e.getMessage());
      e.printStackTrace();
    }
    return true;
  }
예제 #6
0
 /** @apilevel internal */
 private boolean castingConversionTo_compute(TypeDecl type) {
   if (type.isArrayDecl()) {
     return type.instanceOf(this);
   } else if (type.isClassDecl()) {
     return !type.isFinal() || type.instanceOf(this);
   } else if (type.isInterfaceDecl()) {
     for (Iterator i1 = methodsIterator(); i1.hasNext(); ) {
       MethodDecl m = (MethodDecl) i1.next();
       for (Iterator iter = type.methodsSignature(m.signature()).iterator(); iter.hasNext(); ) {
         MethodDecl n = (MethodDecl) iter.next();
         if (n.type() != m.type()) return false;
       }
     }
     return true;
   } else return super.castingConversionTo(type);
 }
예제 #7
0
 /** @apilevel internal */
 private boolean isSupertypeOfClassDecl_compute(ClassDecl type) {
   if (super.isSupertypeOfClassDecl(type)) return true;
   for (Iterator iter = type.interfacesIterator(); iter.hasNext(); ) {
     TypeDecl typeDecl = (TypeDecl) iter.next();
     if (typeDecl.instanceOf(this)) return true;
   }
   return type.hasSuperclass() && type.superclass() != null && type.superclass().instanceOf(this);
 }
예제 #8
0
 /** @apilevel internal */
 private SimpleSet ancestorMethods_compute(String signature) {
   SimpleSet set = SimpleSet.emptySet;
   for (Iterator outerIter = superinterfacesIterator(); outerIter.hasNext(); ) {
     TypeDecl typeDecl = (TypeDecl) outerIter.next();
     for (Iterator iter = typeDecl.methodsSignature(signature).iterator(); iter.hasNext(); ) {
       MethodDecl m = (MethodDecl) iter.next();
       set = set.add(m);
     }
   }
   if (!superinterfacesIterator().hasNext()) {
     for (Iterator iter = typeObject().methodsSignature(signature).iterator(); iter.hasNext(); ) {
       MethodDecl m = (MethodDecl) iter.next();
       if (m.isPublic()) set = set.add(m);
     }
   }
   return set;
 }
예제 #9
0
 /** @apilevel internal */
 private boolean isSupertypeOfArrayDecl_compute(ArrayDecl type) {
   if (super.isSupertypeOfArrayDecl(type)) return true;
   for (Iterator iter = type.interfacesIterator(); iter.hasNext(); ) {
     TypeDecl typeDecl = (TypeDecl) iter.next();
     if (typeDecl.instanceOf(this)) return true;
   }
   return false;
 }
예제 #10
0
 private boolean isDUafterReachedFinallyBlocks_compute(Variable v) {
   if (!isDUbefore(v) && finallyList().isEmpty()) return false;
   for (Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
     FinallyHost f = (FinallyHost) iter.next();
     if (!f.isDUafterFinally(v)) return false;
   }
   return true;
 }
예제 #11
0
 /** @apilevel internal */
 private HashMap methodsSignatureMap_compute() {
   HashMap map = new HashMap(localMethodsSignatureMap());
   for (Iterator outerIter = superinterfacesIterator(); outerIter.hasNext(); ) {
     TypeDecl typeDecl = (TypeDecl) outerIter.next();
     for (Iterator iter = typeDecl.methodsIterator(); iter.hasNext(); ) {
       MethodDecl m = (MethodDecl) iter.next();
       if (!m.isPrivate()
           && m.accessibleFrom(this)
           && !localMethodsSignatureMap().containsKey(m.signature()))
         putSimpleSetElement(map, m.signature(), m);
     }
   }
   for (Iterator iter = typeObject().methodsIterator(); iter.hasNext(); ) {
     MethodDecl m = (MethodDecl) iter.next();
     if (m.isPublic() && !map.containsKey(m.signature()))
       putSimpleSetElement(map, m.signature(), m);
   }
   return map;
 }
예제 #12
0
 /**
  * @ast method
  * @aspect TypeHierarchyCheck
  * @declaredat /home/uoji/JastAddJ/Java1.4Frontend/TypeHierarchyCheck.jrag:312
  */
 public void nameCheck() {
   super.nameCheck();
   if (isCircular()) error("circular inheritance dependency in " + typeName());
   else {
     for (int i = 0; i < getNumSuperInterfaceId(); i++) {
       TypeDecl typeDecl = getSuperInterfaceId(i).type();
       if (typeDecl.isCircular()) error("circular inheritance dependency in " + typeName());
     }
   }
   for (Iterator iter = methodsSignatureMap().values().iterator(); iter.hasNext(); ) {
     SimpleSet set = (SimpleSet) iter.next();
     if (set.size() > 1) {
       Iterator i2 = set.iterator();
       MethodDecl m = (MethodDecl) i2.next();
       while (i2.hasNext()) {
         MethodDecl n = (MethodDecl) i2.next();
         if (!n.mayOverrideReturn(m) && !m.mayOverrideReturn(n))
           error(
               "multiply inherited methods with the same signature must have the same return type");
       }
     }
   }
 }
예제 #13
0
  // Declared in AnonymousClasses.jrag at line 52
  private AnonymousDecl rewriteRule0() {
    {
      setModifiers(new Modifiers(new List().add(new Modifier("final"))));

      ConstructorDecl constructor = new ConstructorDecl();
      addBodyDecl(constructor);

      constructor.setModifiers((Modifiers) constructorDecl().getModifiers().fullCopy());
      String name = "Anonymous" + nextAnonymousIndex();
      setID(name);
      constructor.setID(name);

      List parameterList = new List();
      for (int i = 0; i < constructorDecl().getNumParameter(); i++) {
        parameterList.add(
            new ParameterDeclaration(
                constructorDecl().getParameter(i).type().createBoundAccess(),
                constructorDecl().getParameter(i).name()));
      }
      constructor.setParameterList(parameterList);

      List argList = new List();
      for (int i = 0; i < constructor.getNumParameter(); i++)
        argList.add(new VarAccess(constructor.getParameter(i).name()));
      constructor.setConstructorInvocation(
          new ExprStmt(new SuperConstructorAccess("super", argList)));
      constructor.setBlock(new Block());

      HashSet set = new HashSet();
      for (int i = 0; i < getNumBodyDecl(); i++) {
        if (getBodyDecl(i) instanceof InstanceInitializer) {
          InstanceInitializer init = (InstanceInitializer) getBodyDecl(i);
          set.addAll(init.exceptions());
        } else if (getBodyDecl(i) instanceof FieldDeclaration) {
          FieldDeclaration f = (FieldDeclaration) getBodyDecl(i);
          if (f.isInstanceVariable()) {
            set.addAll(f.exceptions());
          }
        }
      }
      List exceptionList = new List();
      for (Iterator iter = set.iterator(); iter.hasNext(); ) {
        TypeDecl exceptionType = (TypeDecl) iter.next();
        if (exceptionType.isNull()) exceptionType = typeNullPointerException();
        exceptionList.add(exceptionType.createQualifiedAccess());
      }
      constructor.setExceptionList(exceptionList);
      return this;
    }
  }
예제 #14
0
  /**
   * @ast method
   * @aspect GenerateClassfile
   * @declaredat /home/uoji/JastAddJ/Java1.4Backend/GenerateClassfile.jrag:142
   */
  public void generateClassfile() {
    super.generateClassfile();
    String fileName = destinationPath() + File.separator + constantPoolName() + ".class";
    if (options().verbose()) System.out.println("Writing class file to " + fileName);
    try {
      ConstantPool cp = constantPool();
      // force building of constant pool
      cp.addClass(constantPoolName());
      cp.addClass("java/lang/Object");
      for (int i = 0; i < getNumSuperInterfaceId(); i++) {
        cp.addClass(getSuperInterfaceId(i).type().constantPoolName());
      }
      for (Iterator iter = bcFields().iterator(); iter.hasNext(); ) {
        FieldDeclaration field = (FieldDeclaration) iter.next();
        cp.addUtf8(field.name());
        cp.addUtf8(field.type().typeDescriptor());
        field.attributes();
      }
      for (Iterator iter = bcMethods().iterator(); iter.hasNext(); ) {
        Object obj = iter.next();
        if (obj instanceof MethodDecl) {
          MethodDecl m = (MethodDecl) obj;
          cp.addUtf8(m.name());
          cp.addUtf8(m.descName());
          m.attributes();
        }
      }
      attributes();

      if (hasClinit()) {
        cp.addUtf8("<clinit>");
        cp.addUtf8("()V");
        clinit_attributes();
      }

      // actual classfile generation
      File dest = new File(fileName);
      File parentFile = dest.getParentFile();
      if (parentFile != null) parentFile.mkdirs();

      FileOutputStream f = new FileOutputStream(fileName);
      DataOutputStream out = new DataOutputStream(new BufferedOutputStream(f));
      out.writeInt(magicHeader());
      out.writeChar(minorVersion());
      out.writeChar(majorVersion());
      cp.emit(out);
      int flags = flags();
      if (isNestedType()) flags = mangledFlags(flags);
      if (isInterfaceDecl()) flags |= Modifiers.ACC_INTERFACE;
      out.writeChar(flags);
      out.writeChar(cp.addClass(constantPoolName()));
      out.writeChar(cp.addClass("java/lang/Object"));
      if (getNumSuperInterfaceId() == 1 && getSuperInterfaceId(0).type().isObject())
        out.writeChar(0);
      else out.writeChar(getNumSuperInterfaceId());
      for (int i = 0; i < getNumSuperInterfaceId(); i++) {
        TypeDecl typeDecl = getSuperInterfaceId(i).type();
        if (typeDecl.isInterfaceDecl()) out.writeChar(cp.addClass(typeDecl.constantPoolName()));
      }
      Collection fields = bcFields();
      out.writeChar(fields.size());
      for (Iterator iter = fields.iterator(); iter.hasNext(); ) {
        FieldDeclaration field = (FieldDeclaration) iter.next();
        out.writeChar(field.flags());
        out.writeChar(cp.addUtf8(field.name()));
        out.writeChar(cp.addUtf8(field.type().typeDescriptor()));
        out.writeChar(field.attributes().size());
        for (Iterator itera = field.attributes().iterator(); itera.hasNext(); )
          ((Attribute) itera.next()).emit(out);
      }
      Collection methods = bcMethods();
      out.writeChar(methods.size() + (hasClinit() ? 1 : 0));
      for (Iterator iter = methods.iterator(); iter.hasNext(); ) {
        BodyDecl b = (BodyDecl) iter.next();
        b.generateMethod(out, cp);
      }
      if (hasClinit()) {
        out.writeChar(Modifiers.ACC_STATIC);
        out.writeChar(cp.addUtf8("<clinit>"));
        out.writeChar(cp.addUtf8("()V"));
        out.writeChar(clinit_attributes().size());
        for (Iterator itera = clinit_attributes().iterator(); itera.hasNext(); )
          ((Attribute) itera.next()).emit(out);
      }
      out.writeChar(attributes().size());
      for (Iterator itera = attributes().iterator(); itera.hasNext(); )
        ((Attribute) itera.next()).emit(out);

      out.close();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
예제 #15
0
 protected void processWarnings(Collection warnings, CompilationUnit unit) {
   System.err.println("Warnings:");
   for (Iterator iter2 = warnings.iterator(); iter2.hasNext(); ) {
     System.err.println(iter2.next());
   }
 }
예제 #16
0
 protected void processErrors(Collection errors, CompilationUnit unit) {
   System.err.println("Errors:");
   for (Iterator iter2 = errors.iterator(); iter2.hasNext(); ) {
     System.err.println(iter2.next());
   }
 }