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/*
* Copyright (c) 2021-2025 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.
*/
#ifdef _CBLDIAG_H
#pragma message __FILE__ " included twice"
#else
#define _CBLDIAG_H
#if GCOBOL_GETENV
#define gcobol_getenv(x) getenv(x)
#else
#define gcobol_getenv(x) ((char *)nullptr)
#endif
const char * cobol_filename();
/*
* These are user-facing messages. They go through the gcc
* diagnostic framework and use text that can be localized.
*/
void yyerror( const char fmt[], ... ) ATTRIBUTE_GCOBOL_DIAG(1, 2);
bool yywarn( const char fmt[], ... ) ATTRIBUTE_GCOBOL_DIAG(1, 2);
/* Location type. Borrowed from parse.h as generated by Bison. */
#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
typedef struct YYLTYPE YYLTYPE;
struct YYLTYPE
{
int first_line;
int first_column;
int last_line;
int last_column;
};
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
const YYLTYPE& cobol_location();
#endif
#if ! defined YDFLTYPE && ! defined YDFLTYPE_IS_DECLARED
typedef struct YDFLTYPE YDFLTYPE;
struct YDFLTYPE
{
int first_line;
int first_column;
int last_line;
int last_column;
};
# define YDFLTYPE_IS_DECLARED 1
# define YDFLTYPE_IS_TRIVIAL 1
#endif
// Diagnostic format specifiers are documented in gcc/pretty-print.cc
// an error at a location, called from the parser for semantic errors
void error_msg( const YYLTYPE& loc, const char gmsgid[], ... )
ATTRIBUTE_GCOBOL_DIAG(2, 3);
bool
warn_msg( const YYLTYPE& loc, const char gmsgid[], ... )
ATTRIBUTE_GCOBOL_DIAG(2, 3);
// an error that uses token_location, not yylloc
void error_msg_direct( const char gmsgid[], ... )
ATTRIBUTE_GCOBOL_DIAG(1, 2);
void dialect_error( const YYLTYPE& loc, const char term[], const char dialect[] );
// for CDF and other warnings that refer back to an earlier line
// (not in diagnostic framework yet)
void yyerrorvl( int line, const char *filename, const char fmt[], ... )
ATTRIBUTE_PRINTF_3;
void cbl_unimplementedw(const char *gmsgid, ...) ATTRIBUTE_GCOBOL_DIAG(1, 2); // warning
void cbl_unimplemented(const char *gmsgid, ...) ATTRIBUTE_GCOBOL_DIAG(1, 2); // error
void cbl_unimplemented_at( const YYLTYPE& loc, const char *gmsgid, ... )
ATTRIBUTE_GCOBOL_DIAG(2, 3);
/*
* dbgmsg produce messages not intended for the user. They cannot be localized
* and fwrite directly to standard error. dbgmsg is activated by -fflex-debug
* or -fyacc-debug.
*/
void dbgmsg( const char fmt[], ... ) ATTRIBUTE_PRINTF_1;
void gcc_location_set( const YYLTYPE& loc );
void gcc_location_dump();
// tree.h defines yy_flex_debug as a macro because options.h
#if ! defined(yy_flex_debug)
template <typename LOC>
static void
location_dump( const char func[], int line, const char tag[], const LOC& loc) {
extern int yy_flex_debug; // cppcheck-suppress shadowVariable
if( yy_flex_debug ) {
const char *detail = gcobol_getenv("update_location"); // cppcheck-suppress knownConditionTrueFalse
if( detail ) {
fprintf(stderr, "%s:%d: %s location (%d,%d) to (%d,%d)\n",
func, line, tag,
loc.first_line, loc.first_column, loc.last_line, loc.last_column);
if( *detail == '2' ) gcc_location_dump();
}
}
}
#endif // defined(yy_flex_debug)
#endif
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