You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#include "config.h"
#include "system.h"
static unsigned int
interpret_float_suffix (const uchar *s, size_t len)
{
- size_t f = 0, l = 0, i = 0;
+ size_t f = 0, l = 0, i = 0, d = 0;
while (len--)
switch (s[len])
case 'l': case 'L': l++; break;
case 'i': case 'I':
case 'j': case 'J': i++; break;
+ case 'd': case 'D':
+ /* Disallow fd, ld suffixes. */
+ if (d && (f || l))
+ return 0;
+ d++;
+ break;
default:
return 0;
}
if (f + l > 1 || i > 1)
return 0;
+ /* Allow dd, df, dl suffixes for decimal float constants. */
+ if (d && ((d + f + l != 2) || i))
+ return 0;
+
return ((i ? CPP_N_IMAGINARY : 0)
| (f ? CPP_N_SMALL :
- l ? CPP_N_LARGE : CPP_N_MEDIUM));
+ l ? CPP_N_LARGE : CPP_N_MEDIUM)
+ | (d ? CPP_N_DFLOAT : 0));
}
/* Subroutine of cpp_classify_number. S points to an integer suffix
"traditional C rejects the \"%.*s\" suffix",
(int) (limit - str), str);
+ /* Radix must be 10 for decimal floats. */
+ if ((result & CPP_N_DFLOAT) && radix != 10)
+ {
+ cpp_error (pfile, CPP_DL_ERROR,
+ "invalid suffix \"%.*s\" with hexadecimal floating constant",
+ (int) (limit - str), str);
+ return CPP_N_INVALID;
+ }
+
result |= CPP_N_FLOATING;
}
else
/* RSHIFT */ {13, LEFT_ASSOC},
/* LSHIFT */ {13, LEFT_ASSOC},
- /* MIN */ {10, LEFT_ASSOC | CHECK_PROMOTION},
- /* MAX */ {10, LEFT_ASSOC | CHECK_PROMOTION},
-
/* COMPL */ {16, NO_L_OPERAND},
/* AND_AND */ {6, LEFT_ASSOC},
/* OR_OR */ {5, LEFT_ASSOC},
case CPP_MINUS:
case CPP_RSHIFT:
case CPP_LSHIFT:
- case CPP_MIN:
- case CPP_MAX:
case CPP_COMMA:
top[-1].value = num_binary_op (pfile, top[-1].value,
top->value, top->op);
{
cpp_num result;
size_t precision = CPP_OPTION (pfile, precision);
- bool gte;
size_t n;
switch (op)
lhs = num_rshift (lhs, precision, n);
break;
- /* Min / Max. */
- case CPP_MIN:
- case CPP_MAX:
- {
- bool unsignedp = lhs.unsignedp || rhs.unsignedp;
-
- gte = num_greater_eq (lhs, rhs, precision);
- if (op == CPP_MIN)
- gte = !gte;
- if (!gte)
- lhs = rhs;
- lhs.unsignedp = unsignedp;
- }
- break;
-
/* Arithmetic. */
case CPP_MINUS:
rhs = num_negate (rhs, precision);