You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#include "config.h"
#include "system.h"
name = cpp_token_as_text (pfile, s);
}
- warning (0, "%Hignoring #pragma %s %s", &fe_loc, space, name);
+ warning (OPT_Wunknown_pragmas, "%Hignoring #pragma %s %s",
+ &fe_loc, space, name);
}
}
static bool no_more_pch;
const cpp_token *tok;
enum cpp_ttype type;
+ unsigned char add_flags = 0;
timevar_push (TV_CPP);
retry:
break;
case CPP_N_INTEGER:
+ /* C++ uses '0' to mark virtual functions as pure.
+ Set PURE_ZERO to pass this information to the C++ parser. */
+ if (tok->val.str.len == 1 && *tok->val.str.text == '0')
+ add_flags = PURE_ZERO;
*value = interpret_integer (tok, flags);
break;
}
if (cpp_flags)
- *cpp_flags = tok->flags;
+ *cpp_flags = tok->flags | add_flags;
if (!no_more_pch)
{
}
enum cpp_ttype
-c_lex (tree *value)
+pragma_lex (tree *value)
{
location_t loc;
return c_lex_with_flags (value, &loc, NULL);
REAL_VALUE_TYPE real;
char *copy;
size_t copylen;
- const char *type_name;
- /* FIXME: make %T work in error/warning, then we don't need type_name. */
- if ((flags & CPP_N_WIDTH) == CPP_N_LARGE)
- {
+ /* Decode type based on width and properties. */
+ if (flags & CPP_N_DFLOAT)
+ if ((flags & CPP_N_WIDTH) == CPP_N_LARGE)
+ type = dfloat128_type_node;
+ else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
+ type = dfloat32_type_node;
+ else
+ type = dfloat64_type_node;
+ else
+ if ((flags & CPP_N_WIDTH) == CPP_N_LARGE)
type = long_double_type_node;
- type_name = "long double";
- }
- else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL
- || flag_single_precision_constant)
- {
+ else if ((flags & CPP_N_WIDTH) == CPP_N_SMALL
+ || flag_single_precision_constant)
type = float_type_node;
- type_name = "float";
- }
- else
- {
+ else
type = double_type_node;
- type_name = "double";
- }
/* Copy the constant to a nul-terminated buffer. If the constant
has any suffixes, cut them off; REAL_VALUE_ATOF/ REAL_VALUE_HTOF
can't handle them. */
copylen = token->val.str.len;
- if ((flags & CPP_N_WIDTH) != CPP_N_MEDIUM)
- /* Must be an F or L suffix. */
- copylen--;
- if (flags & CPP_N_IMAGINARY)
- /* I or J suffix. */
- copylen--;
+ if (flags & CPP_N_DFLOAT)
+ copylen -= 2;
+ else
+ {
+ if ((flags & CPP_N_WIDTH) != CPP_N_MEDIUM)
+ /* Must be an F or L suffix. */
+ copylen--;
+ if (flags & CPP_N_IMAGINARY)
+ /* I or J suffix. */
+ copylen--;
+ }
copy = (char *) alloca (copylen + 1);
memcpy (copy, token->val.str.text, copylen);
copy[copylen] = '\0';
- real_from_string (&real, copy);
- real_convert (&real, TYPE_MODE (type), &real);
+ real_from_string3 (&real, copy, TYPE_MODE (type));
/* Both C and C++ require a diagnostic for a floating constant
outside the range of representable values of its type. Since we
appropriate for this to be a mandatory pedwarn rather than
conditioned on -pedantic. */
if (REAL_VALUE_ISINF (real) && pedantic)
- pedwarn ("floating constant exceeds range of %<%s%>", type_name);
+ pedwarn ("floating constant exceeds range of %qT", type);
/* Create a node with determined type and value. */
value = build_real (type, real);