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/* Producer string parsers for GDB.
Copyright (C) 2012-2022 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "producer.h"
#include "gdbsupport/selftest.h"
#include "gdbsupport/gdb_regex.h"
/* See producer.h. */
int
producer_is_gcc_ge_4 (const char *producer)
{
int major, minor;
if (! producer_is_gcc (producer, &major, &minor))
return -1;
if (major < 4)
return -1;
if (major > 4)
return INT_MAX;
return minor;
}
/* See producer.h. */
int
producer_is_gcc (const char *producer, int *major, int *minor)
{
const char *cs;
if (producer != NULL && startswith (producer, "GNU "))
{
int maj, min;
if (major == NULL)
major = &maj;
if (minor == NULL)
minor = &min;
/* Skip any identifier after "GNU " - such as "C11" "C++" or "Java".
A full producer string might look like:
"GNU C 4.7.2"
"GNU Fortran 4.8.2 20140120 (Red Hat 4.8.2-16) -mtune=generic ..."
"GNU C++14 5.0.0 20150123 (experimental)"
*/
cs = &producer[strlen ("GNU ")];
while (*cs && !isspace (*cs))
cs++;
if (*cs && isspace (*cs))
cs++;
if (sscanf (cs, "%d.%d", major, minor) == 2)
return 1;
}
/* Not recognized as GCC. */
return 0;
}
/* See producer.h. */
bool
producer_is_icc_ge_19 (const char *producer)
{
int major, minor;
if (! producer_is_icc (producer, &major, &minor))
return false;
return major >= 19;
}
/* See producer.h. */
bool
producer_is_icc (const char *producer, int *major, int *minor)
{
compiled_regex i_re ("Intel(R)", 0, "producer_is_icc");
if (producer == nullptr || i_re.exec (producer, 0, nullptr, 0) != 0)
return false;
/* Prepare the used fields. */
int maj, min;
if (major == nullptr)
major = &maj;
if (minor == nullptr)
minor = &min;
*minor = 0;
*major = 0;
compiled_regex re ("[0-9]+\\.[0-9]+", REG_EXTENDED, "producer_is_icc");
regmatch_t version[1];
if (re.exec (producer, ARRAY_SIZE (version), version, 0) == 0
&& version[0].rm_so != -1)
{
const char *version_str = producer + version[0].rm_so;
sscanf (version_str, "%d.%d", major, minor);
return true;
}
return false;
}
/* See producer.h. */
bool
producer_is_llvm (const char *producer)
{
return ((producer != NULL) && (startswith (producer, "clang ")
|| startswith (producer, " F90 Flang ")));
}
#if defined GDB_SELF_TEST
namespace selftests {
namespace producer {
static void
producer_parsing_tests ()
{
{
/* Check that we don't crash if "Version" is not found in what
looks like an ICC producer string. */
static const char icc_no_version[] = "Intel(R) foo bar";
int major = 0, minor = 0;
SELF_CHECK (!producer_is_icc (icc_no_version, &major, &minor));
SELF_CHECK (!producer_is_gcc (icc_no_version, &major, &minor));
}
{
static const char extern_f_14_0[] = "\
Intel(R) Fortran Intel(R) 64 Compiler XE for applications running on \
Intel(R) 64, \
Version 14.0.1.074 Build 20130716";
int major = 0, minor = 0;
SELF_CHECK (producer_is_icc (extern_f_14_0, &major, &minor)
&& major == 14 && minor == 0);
SELF_CHECK (!producer_is_gcc (extern_f_14_0, &major, &minor));
}
{
static const char intern_f_14[] = "\
Intel(R) Fortran Intel(R) 64 Compiler XE for applications running on \
Intel(R) 64, \
Version 14.0";
int major = 0, minor = 0;
SELF_CHECK (producer_is_icc (intern_f_14, &major, &minor)
&& major == 14 && minor == 0);
SELF_CHECK (!producer_is_gcc (intern_f_14, &major, &minor));
}
{
static const char intern_c_14[] = "\
Intel(R) C++ Intel(R) 64 Compiler XE for applications running on \
Intel(R) 64, \
Version 14.0";
int major = 0, minor = 0;
SELF_CHECK (producer_is_icc (intern_c_14, &major, &minor)
&& major == 14 && minor == 0);
SELF_CHECK (!producer_is_gcc (intern_c_14, &major, &minor));
}
{
static const char intern_c_18[] = "\
Intel(R) C++ Intel(R) 64 Compiler for applications running on \
Intel(R) 64, \
Version 18.0 Beta";
int major = 0, minor = 0;
SELF_CHECK (producer_is_icc (intern_c_18, &major, &minor)
&& major == 18 && minor == 0);
}
{
static const char gnu[] = "GNU C 4.7.2";
SELF_CHECK (!producer_is_icc (gnu, NULL, NULL));
int major = 0, minor = 0;
SELF_CHECK (producer_is_gcc (gnu, &major, &minor)
&& major == 4 && minor == 7);
}
{
static const char gnu_exp[] = "GNU C++14 5.0.0 20150123 (experimental)";
int major = 0, minor = 0;
SELF_CHECK (!producer_is_icc (gnu_exp, NULL, NULL));
SELF_CHECK (producer_is_gcc (gnu_exp, &major, &minor)
&& major == 5 && minor == 0);
}
{
static const char clang_llvm_exp[] = "clang version 12.0.0 (CLANG: bld#8)";
int major = 0, minor = 0;
SELF_CHECK (!producer_is_icc (clang_llvm_exp, NULL, NULL));
SELF_CHECK (!producer_is_gcc (clang_llvm_exp, &major, &minor));
SELF_CHECK (producer_is_llvm (clang_llvm_exp));
}
{
static const char flang_llvm_exp[] = " F90 Flang - 1.5 2017-05-01";
int major = 0, minor = 0;
SELF_CHECK (!producer_is_icc (flang_llvm_exp, NULL, NULL));
SELF_CHECK (!producer_is_gcc (flang_llvm_exp, &major, &minor));
SELF_CHECK (producer_is_llvm (flang_llvm_exp));
}
}
}
}
#endif
void _initialize_producer ();
void
_initialize_producer ()
{
#if defined GDB_SELF_TEST
selftests::register_test
("producer-parser", selftests::producer::producer_parsing_tests);
#endif
}
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