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L2_assert.h

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// L2_assert.h 
// this class defines a template assert class which throws exceptions for L2

// types of exceptions::

#ifndef L2_ASSERT_H_
#define L2_ASSERT_H_

#include <mba_utils/MBA_string.h>

#define EXPR_OUT(x) #x



// exception class for L2

class L2_error
{
public:
        MBA_string error_string;

        L2_error(); // intentionally undefined so that a descriptive 
                                // string must be provided
        L2_error(char * error_description) : error_string(error_description) {};
};

// exception class specific to out-of-bounds-errors
class L2_bounds_error : public L2_error 
{
public:
        L2_bounds_error();
        L2_bounds_error(char *error_desc) : L2_error(error_desc) {};
};

// exception class for model reading errors
class L2_reader_error : public L2_error 
{
public:
        L2_reader_error();
        L2_reader_error(char *error_desc) : L2_error(error_desc) {};
};

// exception class specific to bad runtime function arguments
class L2_argument_error : public L2_error 
{
public:
        L2_argument_error();

        L2_argument_error(char *error_desc) : L2_error(error_desc) {};
};

// exception class specialized to resource allocation errors
class L2_resource_error : public L2_error 
{
public:
        L2_resource_error();
        L2_resource_error(char *error_desc) : L2_error(error_desc) {};
};


// this is the function which replaces 'assert'
template<class T, class Exc> inline void L2_assert( T expr, Exc exception )
{
        if (!expr) throw exception;
};

#endif

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