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Split out eval_op_f_abs

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This splits UNOP_ABS into a new function for future use.

gdb/ChangeLog
2021-03-08  Tom Tromey  <tom@tromey.com>

	* f-lang.c (eval_op_f_abs): New function.
	(evaluate_subexp_f): Use it.
This commit is contained in:
Tom Tromey 2021-03-08 07:27:57 -07:00
parent aec95807f1
commit cc05c68ee0
2 changed files with 35 additions and 20 deletions
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50
gdb/f-lang.c
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@ -974,6 +974,35 @@ fortran_associated (struct gdbarch *gdbarch, const language_defn *lang,
}
/* A helper function for UNOP_ABS. */
static struct value *
eval_op_f_abs (struct type *expect_type, struct expression *exp,
enum noside noside,
struct value *arg1)
{
if (noside == EVAL_SKIP)
return eval_skip_value (exp);
struct type *type = value_type (arg1);
switch (type->code ())
{
case TYPE_CODE_FLT:
{
double d
= fabs (target_float_to_host_double (value_contents (arg1),
value_type (arg1)));
return value_from_host_double (type, d);
}
case TYPE_CODE_INT:
{
LONGEST l = value_as_long (arg1);
l = llabs (l);
return value_from_longest (type, l);
}
}
error (_("ABS of type %s not supported"), TYPE_SAFE_NAME (type));
}
/* Special expression evaluation cases for Fortran. */
static struct value *
@ -997,26 +1026,7 @@ evaluate_subexp_f (struct type *expect_type, struct expression *exp,
case UNOP_ABS:
arg1 = evaluate_subexp (nullptr, exp, pos, noside);
if (noside == EVAL_SKIP)
return eval_skip_value (exp);
type = value_type (arg1);
switch (type->code ())
{
case TYPE_CODE_FLT:
{
double d
= fabs (target_float_to_host_double (value_contents (arg1),
value_type (arg1)));
return value_from_host_double (type, d);
}
case TYPE_CODE_INT:
{
LONGEST l = value_as_long (arg1);
l = llabs (l);
return value_from_longest (type, l);
}
}
error (_("ABS of type %s not supported"), TYPE_SAFE_NAME (type));
return eval_op_f_abs (expect_type, exp, noside, arg1);
case BINOP_MOD:
arg1 = evaluate_subexp (nullptr, exp, pos, noside);