pykd/pykd/dbgexcept.h

#pragma once

#include <exception>
#include <string>

/////////////////////////////////////////////////////////////////////////////////

class DbgException : public std::exception
{
public:

    DbgException( const std::string  &desc ) :
	  std::exception( desc.c_str() )
	  {}
	  
    const char* getDesc() const {
        return what();
    }
	  
	  
    static
    void
    exceptionTranslate(const DbgException &e ); 	  
};

/////////////////////////////////////////////////////////////////////////////////

class TypeException : public DbgException
{
public:

    TypeException() :
        DbgException( "type operation invalid" )
        {}

    TypeException( const std::string  &desc ) :
       DbgException( desc )
       {}
    
    static
    void
    exceptionTranslate(const TypeException  &e );
    
};

/////////////////////////////////////////////////////////////////////////////////

class IndexException : public DbgException
{
public:

    IndexException() :
       DbgException( "Index out of range" )
       {}        
    
    static
    void
    translate(const IndexException  &e ) {
        PyErr_SetString(PyExc_IndexError, "Index out of range");
    }
};

/////////////////////////////////////////////////////////////////////////////////

class MemoryException : public DbgException
{
public:

    MemoryException( ULONG64 targetAddr ) :
        m_targetAddress( targetAddr ),
        DbgException( MemoryException::DescMaker( targetAddr, false ).desc() )
        {}    

    MemoryException( ULONG64 targetAddr, bool phyAddr ) :
        m_targetAddress( targetAddr ),
        DbgException( MemoryException::DescMaker( targetAddr, phyAddr ).desc() )
        {}    
       
    static
    void
    translate( const MemoryException &e );
    
    ULONG64
    getAddress() const {
        return m_targetAddress;
    }
    
private:    
        
    ULONG64     m_targetAddress;
    
    class DescMaker {
    public:
        DescMaker( ULONG64 addr, bool phyAddr )
        {
            std::stringstream   sstr;
            if ( phyAddr )
                sstr << "Memory exception at 0x" << std::hex << addr << " target physical address";
            else
                sstr << "Memory exception at 0x" << std::hex << addr << " target virtual address";                            
            m_desc = sstr.str();
        }   
        
        const std::string&
        desc() const {
            return m_desc;
        }
        
    private:
        std::string     m_desc;
    };
};

/////////////////////////////////////////////////////////////////////////////////

extern  PyObject  *baseExceptionType;
extern  PyObject  *typeExceptionType;
extern  PyObject  *memoryExceptionType;

/////////////////////////////////////////////////////////////////////////////////