excfile.h

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C头文件 代码 · 共 80 行

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#ifndef __EXCFILE_H__
#define __EXCFILE_H__

#include "excpgm.h"

// ExcFile -- file-type exceptions

class ExcFile
    : public ExcMsg
{                               // private data
                                // ------------
const char* filename;           // file name
const char* msg;                // message

private:                        // private functions:
                                // ------------------

virtual void display_msg_contents( // DISPLAY MESSAGE CONTENTS
    void ) const;

public:                         // public functions:
                                // -----------------

ExcFile::ExcFile                // CONSTRUCTOR
    ( const char *name          // - file name
    , const char *text )        // - message
;

};

// Direct descendents of ExcFile class (have only constructors)

#define ExcFileClass( name )    \
class name                      \
    : public ExcFile            \
{                               \
public:                         \
name::name( const char* );      \
};

ExcFileClass( ExcFileOpenInput );   // failure: opening input file
ExcFileClass( ExcFileOpenOutput );  // failure: opening output file
ExcFileClass( ExcFileRead );        // failure: reading input file
ExcFileClass( ExcFileWrite );       // failure: writing output file

#undef ExcFileClass
#endif