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authorEmmanuel Gil Peyrot <linkmauve@linkmauve.fr>2016-09-18 02:38:01 +0200
committerEmmanuel Gil Peyrot <linkmauve@linkmauve.fr>2016-09-18 02:38:01 +0200
commitdc8479928c5aee4c6ad6fe4f59006fb604cee701 (patch)
tree569a7f13128450bbab973236615587ff00bced5f /src/core/hle/result.h
parentTravis: Import Dolphin’s clang-format hook. (diff)
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Diffstat (limited to 'src/core/hle/result.h')
-rw-r--r--src/core/hle/result.h100
1 files changed, 60 insertions, 40 deletions
diff --git a/src/core/hle/result.h b/src/core/hle/result.h
index 268a8dad2..6e3dd9cd2 100644
--- a/src/core/hle/result.h
+++ b/src/core/hle/result.h
@@ -26,7 +26,8 @@ enum class ErrorDescription : u32 {
FS_InvalidOpenFlags = 230,
FS_NotAFile = 250,
FS_NotFormatted = 340, ///< This is used by the FS service when creating a SaveData archive
- OutofRangeOrMisalignedAddress = 513, // TODO(purpasmart): Check if this name fits its actual usage
+ OutofRangeOrMisalignedAddress =
+ 513, // TODO(purpasmart): Check if this name fits its actual usage
GPU_FirstInitialization = 519,
FS_InvalidPath = 702,
InvalidSection = 1000,
@@ -168,15 +169,15 @@ enum class ErrorSummary : u32 {
Success = 0,
NothingHappened = 1,
WouldBlock = 2,
- OutOfResource = 3, ///< There are no more kernel resources (memory, table slots) to
- ///< execute the operation.
- NotFound = 4, ///< A file or resource was not found.
+ OutOfResource = 3, ///< There are no more kernel resources (memory, table slots) to
+ ///< execute the operation.
+ NotFound = 4, ///< A file or resource was not found.
InvalidState = 5,
- NotSupported = 6, ///< The operation is not supported or not implemented.
- InvalidArgument = 7, ///< Returned when a passed argument is invalid in the current runtime
- ///< context. (Invalid handle, out-of-bounds pointer or size, etc.)
- WrongArgument = 8, ///< Returned when a passed argument is in an incorrect format for use
- ///< with the function. (E.g. Invalid enum value)
+ NotSupported = 6, ///< The operation is not supported or not implemented.
+ InvalidArgument = 7, ///< Returned when a passed argument is invalid in the current runtime
+ ///< context. (Invalid handle, out-of-bounds pointer or size, etc.)
+ WrongArgument = 8, ///< Returned when a passed argument is in an incorrect format for use
+ ///< with the function. (E.g. Invalid enum value)
Canceled = 9,
StatusChanged = 10,
Internal = 11,
@@ -208,19 +209,25 @@ union ResultCode {
BitField<21, 6, ErrorSummary> summary;
BitField<27, 5, ErrorLevel> level;
- // The last bit of `level` is checked by apps and the kernel to determine if a result code is an error
+ // The last bit of `level` is checked by apps and the kernel to determine if a result code is an
+ // error
BitField<31, 1, u32> is_error;
- explicit ResultCode(u32 raw) : raw(raw) {}
- ResultCode(ErrorDescription description_, ErrorModule module_,
- ErrorSummary summary_, ErrorLevel level_) : raw(0) {
+ explicit ResultCode(u32 raw) : raw(raw) {
+ }
+ ResultCode(ErrorDescription description_, ErrorModule module_, ErrorSummary summary_,
+ ErrorLevel level_)
+ : raw(0) {
description.Assign(description_);
module.Assign(module_);
summary.Assign(summary_);
level.Assign(level_);
}
- ResultCode& operator=(const ResultCode& o) { raw = o.raw; return *this; }
+ ResultCode& operator=(const ResultCode& o) {
+ raw = o.raw;
+ return *this;
+ }
bool IsSuccess() const {
return is_error == 0;
@@ -246,8 +253,8 @@ const ResultCode RESULT_SUCCESS(0);
/// Might be returned instead of a dummy success for unimplemented APIs.
inline ResultCode UnimplementedFunction(ErrorModule module) {
- return ResultCode(ErrorDescription::NotImplemented, module,
- ErrorSummary::NotSupported, ErrorLevel::Permanent);
+ return ResultCode(ErrorDescription::NotImplemented, module, ErrorSummary::NotSupported,
+ ErrorLevel::Permanent);
}
/**
@@ -285,10 +292,9 @@ inline ResultCode UnimplementedFunction(ErrorModule module) {
template <typename T>
class ResultVal {
public:
- /// Constructs an empty `ResultVal` with the given error code. The code must not be a success code.
- ResultVal(ResultCode error_code = ResultCode(-1))
- : result_code(error_code)
- {
+ /// Constructs an empty `ResultVal` with the given error code. The code must not be a success
+ /// code.
+ ResultVal(ResultCode error_code = ResultCode(-1)) : result_code(error_code) {
ASSERT(error_code.IsError());
}
@@ -303,17 +309,13 @@ public:
return result;
}
- ResultVal(const ResultVal& o)
- : result_code(o.result_code)
- {
+ ResultVal(const ResultVal& o) : result_code(o.result_code) {
if (!o.empty()) {
new (&object) T(o.object);
}
}
- ResultVal(ResultVal&& o)
- : result_code(o.result_code)
- {
+ ResultVal(ResultVal&& o) : result_code(o.result_code) {
if (!o.empty()) {
new (&object) T(std::move(o.object));
}
@@ -357,19 +359,35 @@ public:
}
/// Returns true if the `ResultVal` contains an error code and no value.
- bool empty() const { return result_code.IsError(); }
+ bool empty() const {
+ return result_code.IsError();
+ }
/// Returns true if the `ResultVal` contains a return value.
- bool Succeeded() const { return result_code.IsSuccess(); }
+ bool Succeeded() const {
+ return result_code.IsSuccess();
+ }
/// Returns true if the `ResultVal` contains an error code and no value.
- bool Failed() const { return empty(); }
+ bool Failed() const {
+ return empty();
+ }
- ResultCode Code() const { return result_code; }
+ ResultCode Code() const {
+ return result_code;
+ }
- const T& operator* () const { return object; }
- T& operator* () { return object; }
- const T* operator->() const { return &object; }
- T* operator->() { return &object; }
+ const T& operator*() const {
+ return object;
+ }
+ T& operator*() {
+ return object;
+ }
+ const T* operator->() const {
+ return &object;
+ }
+ T* operator->() {
+ return &object;
+ }
/// Returns the value contained in this `ResultVal`, or the supplied default if it is missing.
template <typename U>
@@ -390,7 +408,9 @@ public:
private:
// A union is used to allocate the storage for the value, while allowing us to construct and
// destruct it at will.
- union { T object; };
+ union {
+ T object;
+ };
ResultCode result_code;
};
@@ -409,8 +429,8 @@ ResultVal<T> MakeResult(Args&&... args) {
* variable declaration. If it fails the return code is returned from the current function. Thus it
* can be used to cascade errors out, achieving something akin to exception handling.
*/
-#define CASCADE_RESULT(target, source) \
- auto CONCAT2(check_result_L, __LINE__) = source; \
- if (CONCAT2(check_result_L, __LINE__).Failed()) \
- return CONCAT2(check_result_L, __LINE__).Code(); \
- target = std::move(*CONCAT2(check_result_L, __LINE__))
+#define CASCADE_RESULT(target, source) \
+ auto CONCAT2(check_result_L, __LINE__) = source; \
+ if (CONCAT2(check_result_L, __LINE__).Failed()) \
+ return CONCAT2(check_result_L, __LINE__).Code(); \
+ target = std::move(*CONCAT2(check_result_L, __LINE__))