we already did in compile_file. */
if (!MAIN_FILE_P (new_map))
{
- int included_at = LAST_SOURCE_LINE_LOCATION (new_map - 1);
+ unsigned int included_at = LAST_SOURCE_LINE_LOCATION (new_map - 1);
+ int line = 0;
+ if (included_at > BUILTINS_LOCATION)
+ line = SOURCE_LINE (new_map - 1, included_at);
input_location = new_map->start_location;
- (*debug_hooks->start_source_file) (included_at, new_map->to_file);
+ (*debug_hooks->start_source_file) (line, new_map->to_file);
#ifndef NO_IMPLICIT_EXTERN_C
if (c_header_level)
++c_header_level;
}
update_header_times (new_map->to_file);
- in_system_header = new_map->sysp != 0;
input_location = new_map->start_location;
}
unsigned HOST_WIDE_INT high,
unsigned int flags)
{
- enum integer_type_kind itk;
+ int itk;
if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
itk = itk_unsigned_int;
if ((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (upper) > high
|| ((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (upper) == high
&& TREE_INT_CST_LOW (upper) >= low))
- return itk;
+ return (enum integer_type_kind) itk;
}
return itk_none;
narrowest_signed_type (unsigned HOST_WIDE_INT low,
unsigned HOST_WIDE_INT high, unsigned int flags)
{
- enum integer_type_kind itk;
+ int itk;
if ((flags & CPP_N_WIDTH) == CPP_N_SMALL)
itk = itk_int;
if ((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (upper) > high
|| ((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (upper) == high
&& TREE_INT_CST_LOW (upper) >= low))
- return itk;
+ return (enum integer_type_kind) itk;
}
return itk_none;
? widest_unsigned_literal_type_node
: widest_integer_literal_type_node);
else
- type = integer_types[itk];
-
- if (itk > itk_unsigned_long
- && (flags & CPP_N_WIDTH) != CPP_N_LARGE
- && !in_system_header && !flag_isoc99)
- pedwarn ("integer constant is too large for %qs type",
- (flags & CPP_N_UNSIGNED) ? "unsigned long" : "long");
+ {
+ type = integer_types[itk];
+ if (itk > itk_unsigned_long
+ && (flags & CPP_N_WIDTH) != CPP_N_LARGE)
+ emit_diagnostic
+ ((c_dialect_cxx () ? cxx_dialect == cxx98 : !flag_isoc99)
+ ? DK_PEDWARN : DK_WARNING,
+ input_location, OPT_Wlong_long,
+ (flags & CPP_N_UNSIGNED)
+ ? "integer constant is too large for %<unsigned long%> type"
+ : "integer constant is too large for %<long%> type");
+ }
value = build_int_cst_wide (type, integer.low, integer.high);
interpret_float (const cpp_token *token, unsigned int flags)
{
tree type;
+ tree const_type;
tree value;
REAL_VALUE_TYPE real;
+ REAL_VALUE_TYPE real_trunc;
char *copy;
size_t copylen;
+ /* Default (no suffix) depends on whether the FLOAT_CONST_DECIMAL64
+ pragma has been used and is either double or _Decimal64. Types
+ that are not allowed with decimal float default to double. */
+ if (flags & CPP_N_DEFAULT)
+ {
+ flags ^= CPP_N_DEFAULT;
+ flags |= CPP_N_MEDIUM;
+
+ if (((flags & CPP_N_HEX) == 0) && ((flags & CPP_N_IMAGINARY) == 0))
+ {
+ warning (OPT_Wunsuffixed_float_constants,
+ "unsuffixed float constant");
+ if (float_const_decimal64_p ())
+ flags |= CPP_N_DFLOAT;
+ }
+ }
+
/* Decode _Fract and _Accum. */
if (flags & CPP_N_FRACT || flags & CPP_N_ACCUM)
return interpret_fixed (token, flags);
return error_mark_node;
}
- else if (pedantic)
- pedwarn ("non-standard suffix on floating constant");
+ else
+ pedwarn (input_location, OPT_pedantic, "non-standard suffix on floating constant");
type = c_common_type_for_mode (mode, 0);
gcc_assert (type);
else
type = double_type_node;
+ const_type = excess_precision_type (type);
+ if (!const_type)
+ const_type = type;
+
/* 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. */
memcpy (copy, token->val.str.text, copylen);
copy[copylen] = '\0';
- real_from_string3 (&real, copy, TYPE_MODE (type));
+ real_from_string3 (&real, copy, TYPE_MODE (const_type));
+ if (const_type != type)
+ /* Diagnosing if the result of converting the value with excess
+ precision to the semantic type would overflow (with associated
+ double rounding) is more appropriate than diagnosing if the
+ result of converting the string directly to the semantic type
+ would overflow. */
+ real_convert (&real_trunc, TYPE_MODE (type), &real);
/* Both C and C++ require a diagnostic for a floating constant
outside the range of representable values of its type. Since we
have __builtin_inf* to produce an infinity, this is now a
mandatory pedwarn if the target does not support infinities. */
- if (REAL_VALUE_ISINF (real))
+ if (REAL_VALUE_ISINF (real)
+ || (const_type != type && REAL_VALUE_ISINF (real_trunc)))
{
if (!MODE_HAS_INFINITIES (TYPE_MODE (type)))
- pedwarn ("floating constant exceeds range of %qT", type);
+ pedwarn (input_location, 0, "floating constant exceeds range of %qT", type);
else
warning (OPT_Woverflow, "floating constant exceeds range of %qT", type);
}
/* We also give a warning if the value underflows. */
- else if (REAL_VALUES_EQUAL (real, dconst0))
+ else if (REAL_VALUES_EQUAL (real, dconst0)
+ || (const_type != type && REAL_VALUES_EQUAL (real_trunc, dconst0)))
{
REAL_VALUE_TYPE realvoidmode;
int overflow = real_from_string (&realvoidmode, copy);
}
/* Create a node with determined type and value. */
- value = build_real (type, real);
+ value = build_real (const_type, real);
if (flags & CPP_N_IMAGINARY)
- value = build_complex (NULL_TREE, convert (type, integer_zero_node), value);
+ value = build_complex (NULL_TREE, convert (const_type, integer_zero_node),
+ value);
+
+ if (type != const_type)
+ value = build1 (EXCESS_PRECISION_EXPR, type, value);
return value;
}
cppchar_t result;
tree type, value;
unsigned int chars_seen;
- int unsignedp;
+ int unsignedp = 0;
result = cpp_interpret_charconst (parse_in, token,
&chars_seen, &unsignedp);
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