From: Tom Tromey <tom@tromey.com>
Date: Mon, 8 Mar 2021 14:27:57 +0000 (-0700)
Subject: Split out eval_op_neg
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=606d105ff12c443e5466581a095ad151ce14bc62;p=binutils-gdb.git

Split out eval_op_neg

This splits UNOP NEG into a new function for future use.

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

	* eval.c (eval_op_neg): New function.
	(evaluate_subexp_standard): Use it.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 3379b9f5a47..b27ed9c539f 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2021-03-08  Tom Tromey  <tom@tromey.com>
+
+	* eval.c (eval_op_neg): New function.
+	(evaluate_subexp_standard): Use it.
+
 2021-03-08  Tom Tromey  <tom@tromey.com>
 
 	* eval.c (eval_op_plus): New function.
diff --git a/gdb/eval.c b/gdb/eval.c
index 24c891d406b..5cc7b1844f2 100644
--- a/gdb/eval.c
+++ b/gdb/eval.c
@@ -1769,6 +1769,24 @@ eval_op_plus (struct type *expect_type, struct expression *exp,
     }
 }
 
+/* A helper function for UNOP_NEG.  */
+
+static struct value *
+eval_op_neg (struct type *expect_type, struct expression *exp,
+	     enum noside noside, enum exp_opcode op,
+	     struct value *arg1)
+{
+  if (noside == EVAL_SKIP)
+    return eval_skip_value (exp);
+  if (unop_user_defined_p (op, arg1))
+    return value_x_unop (arg1, op, noside);
+  else
+    {
+      unop_promote (exp->language_defn, exp->gdbarch, &arg1);
+      return value_neg (arg1);
+    }
+}
+
 struct value *
 evaluate_subexp_standard (struct type *expect_type,
 			  struct expression *exp, int *pos,
@@ -2622,15 +2640,7 @@ evaluate_subexp_standard (struct type *expect_type,
       
     case UNOP_NEG:
       arg1 = evaluate_subexp (nullptr, exp, pos, noside);
-      if (noside == EVAL_SKIP)
-	return eval_skip_value (exp);
-      if (unop_user_defined_p (op, arg1))
-	return value_x_unop (arg1, op, noside);
-      else
-	{
-	  unop_promote (exp->language_defn, exp->gdbarch, &arg1);
-	  return value_neg (arg1);
-	}
+      return eval_op_neg (expect_type, exp, noside, op, arg1);
 
     case UNOP_COMPLEMENT:
       /* C++: check for and handle destructor names.  */