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authorLioncash <mathew1800@gmail.com>2021-05-31 10:15:49 +0200
committerLioncash <mathew1800@gmail.com>2021-05-31 22:41:00 +0200
commit3aed797466f6ba166a8e941c47687a345bca7576 (patch)
tree18ed4fcc2073a1228e9f2bf7e05bbf7ae7188a96 /src/core
parentMerge pull request #6394 from lat9nq/mingw-fix (diff)
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-rw-r--r--src/core/hle/result.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/core/hle/result.h b/src/core/hle/result.h
index 43968386f..df3283fe3 100644
--- a/src/core/hle/result.h
+++ b/src/core/hle/result.h
@@ -358,3 +358,28 @@ ResultVal<std::remove_reference_t<Arg>> MakeResult(Arg&& arg) {
return CONCAT2(check_result_L, __LINE__); \
} \
} while (false)
+
+#define R_SUCCEEDED(res) (res.IsSuccess())
+
+/// Evaluates a boolean expression, and succeeds if that expression is true.
+#define R_SUCCEED_IF(expr) R_UNLESS(!(expr), RESULT_SUCCESS)
+
+/// Evaluates a boolean expression, and returns a result unless that expression is true.
+#define R_UNLESS(expr, res) \
+ { \
+ if (!(expr)) { \
+ if (res.IsError()) { \
+ LOG_ERROR(Kernel, "Failed with result: {}", res.raw); \
+ } \
+ return res; \
+ } \
+ }
+
+/// Evaluates an expression that returns a result, and returns the result if it would fail.
+#define R_TRY(res_expr) \
+ { \
+ const auto _tmp_r_try_rc = (res_expr); \
+ if (_tmp_r_try_rc.IsError()) { \
+ return _tmp_r_try_rc; \
+ } \
+ }