cparser.c

linux 下的源代码分析阅读器 red hat公司新版

      {
         skip_declaration();
      }
   }
#endif
}

extern int _declaration( Declaration_t Declaration )
{
   int iRetval;
   sDeclaration_t sDeclaration;

   niveau++;

   sDeclaration.Declaration   = Declaration;
   sDeclaration.type          = DECLARATION_UNKNOWN;
   LongStringInit( &sDeclaration.name, -1 );
   sDeclaration.storage_class = 0;
   sDeclaration.fct_specifier = 0;
   sDeclaration.s_const       = 0;
   sDeclaration.s_volatile    = 0;
   sDeclaration.s_char        = 0;
   sDeclaration.s_short       = 0;
   sDeclaration.s_int         = 0;
   sDeclaration.s_long        = 0;
   sDeclaration.s_signed      = 0;
   sDeclaration.s_unsigned    = 0;
   sDeclaration.s_float       = 0;
   sDeclaration.s_double      = 0;
   sDeclaration.s_bool        = 0;
   sDeclaration.s_void        = 0;
   LongStringInit( &sDeclaration.type_name, -1 );
   sDeclaration.type_of_type_name = 0;
   LongStringInit( &sDeclaration.complete_class_name, -1 );
   sDeclaration.lineno_beg    = 0;
   sDeclaration.charno_beg    = 0;
   sDeclaration.lineno_end    = 0;
   sDeclaration.charno_end    = 0;

   sDeclaration.sClass.ClassParent      = 0;
   LongStringInit( &sDeclaration.sClass.name, -1 );
   sDeclaration.sClass.access           = 0;
   sDeclaration.sClass.lineno_beg       = 0;
   sDeclaration.sClass.charno_beg       = 0;
   sDeclaration.sClass.lineno_end       = 0;
   sDeclaration.sClass.charno_end       = 0;

   LongStringInit( &sDeclaration.sEnum.name, -1 );
   sDeclaration.sEnum.lineno_beg        = 0;
   sDeclaration.sEnum.charno_beg        = 0;
   sDeclaration.sEnum.lineno_end        = 0;
   sDeclaration.sEnum.charno_end        = 0;

   switch( token( 0 ))
   {
   case SN_ASM      : iRetval = asm_declaration     ( &sDeclaration ); break;
   case SN_TEMPLATE : iRetval = template_declaration( &sDeclaration ); break;
   case SN_NAMESPACE: iRetval = namespace_definition( &sDeclaration ); break;
   case SN_USING    : iRetval = using               ( &sDeclaration ); break;
   case SN_EXTERN   : iRetval = extern_declaration  ( &sDeclaration ); break;
   default          : iRetval = obj_declaration     ( &sDeclaration ); break;
   }

   LongStringMyFree( &sDeclaration.name );
   LongStringMyFree( &sDeclaration.type_name );
   LongStringMyFree( &sDeclaration.complete_class_name );
   LongStringMyFree( &sDeclaration.sClass.name );
   LongStringMyFree( &sDeclaration.sEnum.name );
   niveau--;
   return iRetval;
}

extern int asm_declaration( Declaration_t Declaration )
{
   niveau++;
   Declaration->type = DECLARATION_ASM;

   while( True )
   {
      switch( token( 0 ))
      {
      case 0  :
      case ';':
         step( 1 );
         niveau--;
         return True;
         break;
      }
      step( 1 );
   }
}

extern int template_declaration( Declaration_t Declaration )
{
   int t;
   Save_d();

   niveau++;
   Declaration->type = DECLARATION_TEMPLATE;

   step( 1 );

   if(( t = token( 0 )) == SN_CLASS || t == SN_INTERFACE )
   {
/* template class Vector<const CmdLineApp::AppChar *>; miatt */
      step( 1 );
      if( token( 0 ) == SN_IDENTIFIER )
      {
         step( 1 );
      }
   }

   if( token( 0 ) == '<' )
   {
      template_argument_skip( &Declaration->name );
      declaration( Declaration );
      niveau--;
      return True;
   }
   else
   {
      Restore_d();
      niveau--;
      return False;
   }
   niveau--;
}

extern int extern_declaration( Declaration_t Declaration )
{
   int ret;

   niveau++;

   if( token( 1 ) == SN_STRINGliteral )
   {
      ret = linkage_specification( Declaration );
      niveau--;
      return ret;
   }
   else
   {
      ret = obj_declaration( Declaration );
      niveau--;
      return ret;
   }
   niveau--;
}

extern int linkage_specification( Declaration_t Declaration )
{
   int t;
   niveau++;

   Declaration->type = DECLARATION_LINKAGE_SPECIFICATION;

   step( 1 );
   do
   {
      step( 1 );
   } while( token( 0 ) == SN_STRINGliteral );

   if( token( 0 ) == LBRACE )
   {
      step( 1 );
      while(( t = token( 0 )) != RBRACE && t != 0 )   /* t != 0 10.02.97 rigo */
      {
         declaration( Declaration );
      }
      step( 1 );
   }
   else
   {
      declaration( Declaration );
   }
   niveau--;

   return True;
}

extern int using( Declaration_t Declaration )
{
   Save_d();
   int lineno;
   int charno;

   niveau++;
   Declaration->type = DECLARATION_USING;

   if( token( 1 ) == SN_NAMESPACE )
   {
      step( 1 );
      step( 1 );
      lineno = f_lineno( 0 );
      charno = f_charno( 0 );
      if( namespace_name( &Declaration->name ))
      {
/*          report_using_directive( filename_g */
/*                                , lineno */
/*                                , charno */
/*                                , f_lineno(0) */
/*                                , f_charno(0) */
/*                                , Declaration->name ); */
         niveau--;
         return True;
      }
      else
      {
         Restore_d();
         niveau--;
         return False;
      }
   }
   else
   {
      step( 1 );
      lineno = f_lineno( 0 );
      charno = f_charno( 0 );
      if( namespace_name( &Declaration->name ))
      {
/*          report_using_declaration( filename_g */
/*                                   , lineno */
/*                                   , charno */
/*                                   , f_lineno(0) */
/*                                   , f_charno(0) */
/*                                   , Declaration->name ); */
         niveau--;
         return True;
      }
      else
      {
         Restore_d();
         niveau--;
         return False;
      }
   }
   niveau--;
}

extern int namespace_definition( Declaration_t Declaration )
{
   Save_d();
   int lineno;
   int charno;
   int t;

   niveau++;
   Declaration->type = DECLARATION_NAMESPACE;

   if( token( 1 ) == SN_IDENTIFIER )
   {
      lineno = f_lineno( 1 );
      charno = f_charno( 1 );
      step( 1 );
      step( 1 );
      if( token( 0 ) == '=' )
      {
         step( 1 );
         if( namespace_name( &Declaration->name ))
         {
/*             report_namespace_alias_definition( filename_g */
/*                                              , lineno */
/*                                              , charno */
/*                                              , f_lineno(0) */
/*                                              , f_charno(0) */
/*                                              , id */
/*                                              , Declaration->name );  */
         }
         else
         {
            Restore_d();
            niveau--;
            return False;
         }
      }
      else
      {
/*          report_namespace_definition( filename_g */
/*                                     , lineno */
/*                                     , charno */
/*                                     , f_lineno(0) */
/*                                     , f_charno(0) */
/*                                     , id );  */
      }
   }
   else
   {
/*       report_namespace_definition( filename_g */
/*                                  , f_lineno( 0 ) */
/*                                  , f_charno( 0 ) */
/*                                  , f_lineno(0) */
/*                                  , f_charno(0) */
/*                                  , ANONYM ); */
      step( 1 );
   }

   if( token( 0 ) == LBRACE )
   {
      step( 1 );
      while(( t = token( 0 )) != RBRACE && t != 0 )   /* t != 0 10.02.97 rigo */
      {
         declaration( Declaration );
      }
      step( 1 );
   }
   else
   {
      Restore_d();
      niveau--;
      return False;
   }
   niveau--;
   return True;
}

extern int obj_declaration( Declaration_t Declaration )
{
   int retval;
   Save_d();
   int lineno_beg;
   int charno_beg;
   niveau++;

   Declaration->type = DECLARATION_OBJECT;

   while( True )
   {
      switch( token( 0 ))
      {
      case ';'        :
         step( 1 );
         Return( True );

      case SN_INTERFACE  :
      case SN_CLASS      :
      case SN_STRUCT     :
      case SN_UNION      :
         if( ! f_class( Declaration, &Declaration->sClass ))
         {
            Restore_d();
            Return( False );
         }
         break;

      case SN_ENUM       :
         if( ! f_enum( Declaration, &Declaration->sEnum ))
         {
            Restore_d();
            Return( False );
         }
         break;

      case SN_AUTO       : Declaration->storage_class = SN_AUTO    ; step( 1 ); break;
      case SN_REGISTER   : Declaration->storage_class = SN_REGISTER; step( 1 ); break;
      case SN_STATIC     : Declaration->storage_class = SN_STATIC  ; step( 1 ); break;
      case SN_EXTERN     : Declaration->storage_class = SN_EXTERN  ; step( 1 ); break;
      case SN_INLINE     : Declaration->fct_specifier = SN_INLINE  ; step( 1 ); break;
      case SN_VIRTUAL    : Declaration->fct_specifier = SN_VIRTUAL ; step( 1 ); break;
      case SN_FRIEND     : Declaration->storage_class = SN_FRIEND  ; step( 1 ); break;
      case SN_TYPEDEF    : Declaration->storage_class = SN_TYPEDEF ; step( 1 ); break;
      case SN_CONST      : Declaration->s_const       = True    ; step( 1 ); break;
      case SN_VOLATILE   : Declaration->s_volatile    = True    ; step( 1 ); break;
      case SN_CHAR       : Declaration->s_char        = True    ; step( 1 ); break;
      case SN_SHORT      : Declaration->s_short       = True    ; step( 1 ); break;
      case SN_INT        : Declaration->s_int         = True    ; step( 1 ); break;
      case SN_LONG       : Declaration->s_long        = True    ; step( 1 ); break;
      case SN_SIGNED     : Declaration->s_signed      = True    ; step( 1 ); break;
      case SN_UNSIGNED   : Declaration->s_unsigned    = True    ; step( 1 ); break;
      case SN_FLOAT      : Declaration->s_float       = True    ; step( 1 ); break;
      case SN_DOUBLE     : Declaration->s_double      = True    ; step( 1 ); break;
      case SN_BOOL		 : Declaration->s_bool        = True;   ; step( 1 ); break;
      case SN_VOID       : Declaration->s_void        = True    ; step( 1 ); break;
      case SN_IDENTIFIER :
         /* ha az ident utan * vagy & vagy ident all ( kiveve az 'ident iden (('
            konstrukciot ), akkor nem lehet deklarator_list */
         if(( token( 1 ) == '*' ) ||
            ( token( 1 ) == '&' ) ||
            ( token( 1 ) == SN_IDENTIFIER && ( token( 2 ) != '(' || token( 3 ) != '(' ))
           )
         {
         }
         else
         {
            if( declarator_list( Declaration ))
            {
               Return( True );
            }
         }
         LongStringMySetLen( &Declaration->type_name, 0 );
         Declaration->type_of_type_name = 0;
         lineno_beg = f_lineno( 0 );
         charno_beg = f_charno( 0 );
         if( ! complete_class_name( &Declaration->type_name ))
         {
            Restore_d();
            Return( False );
         }
         else
         {
            LongStringsMyCopy( &Declaration->complete_class_name
                             , &Declaration->type_name );

            Declaration->lineno_beg = lineno_beg;
            Declaration->charno_beg = charno_beg;
            Declaration->lineno_end = f_lineno( -1 );
            Declaration->charno_end = f_charno( -1 ) + 1;
         }
         break;

      case SN_CLCL       :
         if( declarator_list( Declaration ))
         {
            Return( True );
         }
         LongStringMySetLen( &Declaration->type_name, 0 );
         Declaration->type_of_type_name = 0;
         lineno_beg = f_lineno( 0 );
         charno_beg = f_charno( 0 );
         if( ! complete_class_name( &Declaration->type_name ))
         {
            Restore_d();
            Return( False );
         }
         else
         {
            LongStringsMyCopy( &Declaration->complete_class_name
                             , &Declaration->type_name );

            Declaration->lineno_beg = lineno_beg;
            Declaration->charno_beg = charno_beg;
            Declaration->lineno_end = f_lineno( -1 );
            Declaration->charno_end = f_charno( -1 ) + 1;
         }
         break;

      case SN_OPERATOR   :
      case '('        :
      case '*'        :
      case '&'        :
      case '~'        :
         if( declarator_list( Declaration ))
         {
            Return( True );
         }
         else
         {
            Restore_d();
            Return( False );
         }
         break;

      default         :
         Restore_d();
         Return( False );
         break;
      }
   }
return_label:
   niveau--;
   return retval;
}

extern int declarator_list( Declaration_t Declaration )
{
   Save_d();
   sDeclarator_t  sDeclarator;
   niveau++;

   LongStringInit( &sDeclarator.name , -1 );
   LongStringInit( &sDeclarator.type , -1 );
   LongStringInit( &sDeclarator.types, -1 );
   LongStringInit( &sDeclarator.names, -1 );