[thirdparty/binutils-gdb.git] / gdb / producer.c

/* Producer string parsers for GDB.

   Copyright (C) 2012-2023 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 ")));
}

/* See producer.h.  */

bool
producer_is_clang (const char *producer, int *major, int *minor)
{
  if (producer != nullptr && startswith (producer, "clang version "))
    {
      int maj, min;
      if (major == nullptr)
	major = &maj;
      if (minor == nullptr)
	minor = &min;

      /* The full producer string will look something like
	 "clang version XX.X.X ..."
	 So we can safely ignore all characters before the first digit.  */
      const char *cs = producer + strlen ("clang version ");

      if (sscanf (cs, "%d.%d", major, minor) == 2)
	return true;
    }
  return false;
}

#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
}
Commit	Line	Data
b32b108a WT	1	/* Producer string parsers for GDB.
b32b108a WT	2
213516ef	3	Copyright (C) 2012-2023 Free Software Foundation, Inc.
b32b108a WT	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 3 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	19
	20	#include "defs.h"
	21	#include "producer.h"
268a13a5	22	#include "gdbsupport/selftest.h"
d322d6d6	23	#include "gdbsupport/gdb_regex.h"
b32b108a WT	24
	25	/* See producer.h. */
	26
	27	int
	28	producer_is_gcc_ge_4 (const char *producer)
	29	{
	30	int major, minor;
	31
	32	if (! producer_is_gcc (producer, &major, &minor))
	33	return -1;
	34	if (major < 4)
	35	return -1;
	36	if (major > 4)
	37	return INT_MAX;
	38	return minor;
	39	}
	40
	41	/* See producer.h. */
	42
	43	int
	44	producer_is_gcc (const char producer, int major, int *minor)
	45	{
	46	const char *cs;
	47
	48	if (producer != NULL && startswith (producer, "GNU "))
	49	{
	50	int maj, min;
	51
	52	if (major == NULL)
	53	major = &maj;
	54	if (minor == NULL)
	55	minor = &min;
	56
	57	/* Skip any identifier after "GNU " - such as "C11" "C++" or "Java".
	58	A full producer string might look like:
	59	"GNU C 4.7.2"
	60	"GNU Fortran 4.8.2 20140120 (Red Hat 4.8.2-16) -mtune=generic ..."
	61	"GNU C++14 5.0.0 20150123 (experimental)"
	62	*/
	63	cs = &producer[strlen ("GNU ")];
	64	while (cs && !isspace (cs))
dda83cd7	65	cs++;
b32b108a	66	if (cs && isspace (cs))
dda83cd7	67	cs++;
b32b108a WT	68	if (sscanf (cs, "%d.%d", major, minor) == 2)
	69	return 1;
	70	}
	71
	72	/* Not recognized as GCC. */
	73	return 0;
	74	}
	75
16e311ab FW	76	/* See producer.h. */
	77
	78	bool
	79	producer_is_icc_ge_19 (const char *producer)
	80	{
	81	int major, minor;
	82
	83	if (! producer_is_icc (producer, &major, &minor))
	84	return false;
	85
	86	return major >= 19;
	87	}
5230b05a WT	88
	89	/* See producer.h. */
	90
	91	bool
	92	producer_is_icc (const char producer, int major, int *minor)
	93	{
f5dc2ee3 AB	94	compiled_regex i_re ("Intel(R)", 0, "producer_is_icc");
f5dc2ee3 AB	95	if (producer == nullptr \|\| i_re.exec (producer, 0, nullptr, 0) != 0)
5230b05a WT	96	return false;
	97
	98	/* Prepare the used fields. */
	99	int maj, min;
fbb3bcfc	100	if (major == nullptr)
5230b05a	101	major = &maj;
fbb3bcfc	102	if (minor == nullptr)
5230b05a WT	103	minor = &min;
	104
	105	*minor = 0;
	106	*major = 0;
	107
f5dc2ee3 AB	108	compiled_regex re ("[0-9]+\\.[0-9]+", REG_EXTENDED, "producer_is_icc");
	109	regmatch_t version[1];
	110	if (re.exec (producer, ARRAY_SIZE (version), version, 0) == 0
	111	&& version[0].rm_so != -1)
5230b05a	112	{
f5dc2ee3 AB	113	const char *version_str = producer + version[0].rm_so;
f5dc2ee3 AB	114	sscanf (version_str, "%d.%d", major, minor);
fbb3bcfc	115	return true;
5230b05a	116	}
fbb3bcfc	117
5230b05a WT	118	return false;
	119	}
	120
c2fd7fae AKS	121	/* See producer.h. */
	122
	123	bool
	124	producer_is_llvm (const char *producer)
	125	{
	126	return ((producer != NULL) && (startswith (producer, "clang ")
dda83cd7	127	\|\| startswith (producer, " F90 Flang ")));
c2fd7fae AKS	128	}
c2fd7fae AKS	129
e7e7469e BL	130	/* See producer.h. */
	131
	132	bool
	133	producer_is_clang (const char producer, int major, int *minor)
	134	{
	135	if (producer != nullptr && startswith (producer, "clang version "))
	136	{
	137	int maj, min;
	138	if (major == nullptr)
	139	major = &maj;
	140	if (minor == nullptr)
	141	minor = &min;
	142
	143	/* The full producer string will look something like
	144	"clang version XX.X.X ..."
	145	So we can safely ignore all characters before the first digit. */
	146	const char *cs = producer + strlen ("clang version ");
	147
	148	if (sscanf (cs, "%d.%d", major, minor) == 2)
	149	return true;
	150	}
	151	return false;
	152	}
	153
5230b05a WT	154	#if defined GDB_SELF_TEST
	155	namespace selftests {
	156	namespace producer {
	157
	158	static void
	159	producer_parsing_tests ()
	160	{
	161	{
	162	/* Check that we don't crash if "Version" is not found in what
	163	looks like an ICC producer string. */
	164	static const char icc_no_version[] = "Intel(R) foo bar";
	165
	166	int major = 0, minor = 0;
	167	SELF_CHECK (!producer_is_icc (icc_no_version, &major, &minor));
	168	SELF_CHECK (!producer_is_gcc (icc_no_version, &major, &minor));
	169	}
	170
	171	{
fbb3bcfc	172	static const char extern_f_14_0[] = "\
5230b05a WT	173	Intel(R) Fortran Intel(R) 64 Compiler XE for applications running on \
	174	Intel(R) 64, \
	175	Version 14.0.1.074 Build 20130716";
	176
	177	int major = 0, minor = 0;
fbb3bcfc FW	178	SELF_CHECK (producer_is_icc (extern_f_14_0, &major, &minor)
	179	&& major == 14 && minor == 0);
	180	SELF_CHECK (!producer_is_gcc (extern_f_14_0, &major, &minor));
5230b05a WT	181	}
	182
	183	{
	184	static const char intern_f_14[] = "\
	185	Intel(R) Fortran Intel(R) 64 Compiler XE for applications running on \
	186	Intel(R) 64, \
	187	Version 14.0";
	188
	189	int major = 0, minor = 0;
	190	SELF_CHECK (producer_is_icc (intern_f_14, &major, &minor)
	191	&& major == 14 && minor == 0);
	192	SELF_CHECK (!producer_is_gcc (intern_f_14, &major, &minor));
	193	}
	194
	195	{
	196	static const char intern_c_14[] = "\
	197	Intel(R) C++ Intel(R) 64 Compiler XE for applications running on \
	198	Intel(R) 64, \
	199	Version 14.0";
	200	int major = 0, minor = 0;
	201	SELF_CHECK (producer_is_icc (intern_c_14, &major, &minor)
	202	&& major == 14 && minor == 0);
	203	SELF_CHECK (!producer_is_gcc (intern_c_14, &major, &minor));
	204	}
	205
	206	{
	207	static const char intern_c_18[] = "\
	208	Intel(R) C++ Intel(R) 64 Compiler for applications running on \
	209	Intel(R) 64, \
	210	Version 18.0 Beta";
	211	int major = 0, minor = 0;
	212	SELF_CHECK (producer_is_icc (intern_c_18, &major, &minor)
	213	&& major == 18 && minor == 0);
	214	}
	215
	216	{
	217	static const char gnu[] = "GNU C 4.7.2";
	218	SELF_CHECK (!producer_is_icc (gnu, NULL, NULL));
	219
	220	int major = 0, minor = 0;
	221	SELF_CHECK (producer_is_gcc (gnu, &major, &minor)
	222	&& major == 4 && minor == 7);
	223	}
	224
	225	{
	226	static const char gnu_exp[] = "GNU C++14 5.0.0 20150123 (experimental)";
	227	int major = 0, minor = 0;
	228	SELF_CHECK (!producer_is_icc (gnu_exp, NULL, NULL));
	229	SELF_CHECK (producer_is_gcc (gnu_exp, &major, &minor)
	230	&& major == 5 && minor == 0);
	231	}
c2fd7fae AKS	232
	233	{
	234	static const char clang_llvm_exp[] = "clang version 12.0.0 (CLANG: bld#8)";
	235	int major = 0, minor = 0;
	236	SELF_CHECK (!producer_is_icc (clang_llvm_exp, NULL, NULL));
	237	SELF_CHECK (!producer_is_gcc (clang_llvm_exp, &major, &minor));
	238	SELF_CHECK (producer_is_llvm (clang_llvm_exp));
	239	}
	240
	241	{
	242	static const char flang_llvm_exp[] = " F90 Flang - 1.5 2017-05-01";
	243	int major = 0, minor = 0;
	244	SELF_CHECK (!producer_is_icc (flang_llvm_exp, NULL, NULL));
	245	SELF_CHECK (!producer_is_gcc (flang_llvm_exp, &major, &minor));
	246	SELF_CHECK (producer_is_llvm (flang_llvm_exp));
	247	}
5230b05a WT	248	}
	249	}
	250	}
	251	#endif
	252
6c265988	253	void _initialize_producer ();
5230b05a WT	254	void
	255	_initialize_producer ()
	256	{
	257	#if defined GDB_SELF_TEST
	258	selftests::register_test
	259	("producer-parser", selftests::producer::producer_parsing_tests);
	260	#endif
	261	}