gcc/cobol/util.h

/*
 * Copyright (c) 2021-2026 Symas Corporation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following disclaimer
 *   in the documentation and/or other materials provided with the
 *   distribution.
 * * Neither the name of the Symas Corporation nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _UTIL_H_
#define _UTIL_H_

bool fisdigit(int c);
bool fisspace(int c);
int  ftolower(int c);
int  ftoupper(int c);
bool fisprint(int c);

void cobol_set_pp_option(int opt);
void cobol_trunc_binary( int cobol_trunc_binary );
bool cobol_trunc_binary();

void cobol_filename_restore();
const char * cobol_lineno( int );
int cobol_lineno(void);

unsigned long gb4( size_t input );

template <typename P>
static inline const void *
as_voidp( P p ) {
  return static_cast<const void *>(p);
}

/*
 * Functions that validate every PERFORM calls a unique reference.
 */
namespace match_proc {
  typedef char cbl_name_t[64];

  // Supply each target as it's mentioned.
  void statement_compose( int iline, size_t isection,
                          const cbl_name_t para, const cbl_name_t qual );
  // Add PERFORM to statement list.
  void statement_add();
  // Verify all statements and report problems. 
  bool statements_verify();
}

#endif