From 13a48e13bd7bdcfa7f87abb21a9ee49eb27665f9 Mon Sep 17 00:00:00 2001
From: Wunkolo <Wunkolo@gmail.com>
Date: Sun, 2 Jan 2022 12:40:02 -0800
Subject: [PATCH] [Base] Add `operator<<` string conversion for `vec128_t`

This allows `catch` to print out the contents of a particular vector when diagnosing how a `REQUIRE` expression has failed.
---
 src/xenia/base/vec128.cc | 7 +++++++
 src/xenia/base/vec128.h  | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/src/xenia/base/vec128.cc b/src/xenia/base/vec128.cc
index 70562dda1..5d91f7b5f 100644
--- a/src/xenia/base/vec128.cc
+++ b/src/xenia/base/vec128.cc
@@ -8,11 +8,13 @@
  */
 
 #include <cstddef>
+#include <ostream>
 #include <string>
 
 #include "third_party/fmt/include/fmt/format.h"
 #include "xenia/base/math.h"
 #include "xenia/base/platform.h"
+#include "xenia/base/string_util.h"
 #include "xenia/base/vec128.h"
 
 namespace xe {
@@ -21,4 +23,9 @@ std::string to_string(const vec128_t& value) {
   return fmt::format("({}, {}, {}, {})", value.x, value.y, value.z, value.w);
 }
 
+std::ostream& operator<<(std::ostream& os, const vec128_t& value) {
+  os << string_util::to_hex_string(value);
+  return os;
+}
+
 }  // namespace xe
diff --git a/src/xenia/base/vec128.h b/src/xenia/base/vec128.h
index cfba512a0..c9fc4cc13 100644
--- a/src/xenia/base/vec128.h
+++ b/src/xenia/base/vec128.h
@@ -257,6 +257,8 @@ static inline vec128_t vec128b(uint8_t x0, uint8_t x1, uint8_t x2, uint8_t x3,
 
 std::string to_string(const vec128_t& value);
 
+std::ostream& operator<<(std::ostream& os, const vec128_t& value);
+
 }  // namespace xe
 
 #endif  // XENIA_BASE_VEC128_H_