Examples of org.candle.decompiler.intermediate.IntermediateVariable

Package org.candle.decompiler.intermediate

Examples of org.candle.decompiler.intermediate.IntermediateVariable

org.candle.decompiler.intermediate.IntermediateVariable

  
  public void visitLoadInstruction(LoadInstruction instruction) {
    int index = instruction.getIndex();
    
    if(index >=0) {
      IntermediateVariable localVar = context.getVariableResolver().getLocalVariable(index, context.getCurrentInstruction().getPosition()); 


      if(localVar == null) {
        LOG.debug("Did not find local variable: "+index + " for position: "+context.getCurrentInstruction().getPosition());
      }
      Variable variable = null;
      if(localVar == null) {
        //probably need to create a variable for enhanced loops...
        Type type = instruction.getType(context.getMethodGen().getConstantPool());
        localVar = context.getVariableResolver().addLocalVariable(index, context.getCurrentInstruction(), type);
        
        variable = new GeneratedVariable(context.getCurrentInstruction(), localVar.getType(), localVar.getName());
      }
      else {
        variable = new Variable(context.getCurrentInstruction(), localVar.getType(), localVar.getName());
      }
      
      //Variable variable = new Variable(context.getCurrentInstruction(), localVar.getType(), localVar.getName());
      
      context.getExpressions().push(variable);

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  public void visitIINC(IINC instruction) {
    //increment variable.
    int index = instruction.getIndex();
    
    IntermediateVariable iv = context.getVariableResolver().getLocalVariable(index, context.getCurrentInstruction().getPosition());
    
    Variable variable = null;
    if(iv == null) {
      //generate IV.
      iv = context.getVariableResolver().addLocalVariable(index, context.getCurrentInstruction(), instruction.getType(context.getMethodGen().getConstantPool()));
      variable = new GeneratedVariable(context.getCurrentInstruction(), iv.getType(), iv.getName());
    }
    else {
      variable = new Variable(context.getCurrentInstruction(), iv.getType(), iv.getName());
    }
    
    //now, how much does it increment by?
    int incrementBy = instruction.getIncrement();
    
    StringBuilder incrementerBuilder = new StringBuilder(iv.getName());
    if(incrementBy == 1) {
      incrementerBuilder.append("++");
    }
    else if(incrementBy == -1) {
      incrementerBuilder.append("--");

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    //first, check to see whether the variable currently has been declared.
    //this would be the case if we don't get null when looking up the local variable.
    int pc = context.getCurrentInstruction().getPosition();
    int lvtIndex = instruction.getIndex();
    
    IntermediateVariable iv = context.getVariableResolver().getLocalVariable(lvtIndex, pc);


    //if the variable is not null, it is declared.
    boolean declared = (iv != null);
    
    Variable variable = null;
    if(!declared) {
      //look it up from the next phase code.
      pc = this.context.getCurrentInstruction().getNext().getPosition();
      iv = context.getVariableResolver().getLocalVariable(lvtIndex, pc);


      if(iv == null) {
        //probably need to create a variable for enhanced loops...
        LOG.debug("Adding index: "+instruction.getIndex() + " as: "+type);
        
        //try and resolve the type for the variable from the right hand side.
        if(type == Type.OBJECT) {
          if(right instanceof TypedExpression) {
            type = ((TypedExpression) right).getType();
          }
        }
        
        //generate variable name...
        iv = context.getVariableResolver().addLocalVariable(instruction.getIndex(), context.getCurrentInstruction(), type);
        variable = new GeneratedVariable(context.getCurrentInstruction(), iv.getType(), iv.getName());
      }
    }
    
    //create the variable.
    if(variable == null) {
      variable = new Variable(context.getCurrentInstruction(), iv.getType(), iv.getName());
    }
    
    //create the assignment.
    Assignment assignment = new Assignment(context.getCurrentInstruction(), variable, right);

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Related Classes of org.candle.decompiler.intermediate.IntermediateVariable

org.candle.decompiler.instruction.intermediate.MethodIntermediateVisitor

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