diff options
Diffstat (limited to 'src/lib.rs')
| -rw-r--r-- | src/lib.rs | 25 |
1 files changed, 19 insertions, 6 deletions
@@ -159,24 +159,33 @@ impl Address for usize { fn to_linear(&self) -> usize { *self } } +pub trait DecodeError { + fn data_exhausted(&self) -> bool; + fn bad_opcode(&self) -> bool; + fn bad_operand(&self) -> bool; +} + pub trait Decoder<Inst> where Inst: Sized { - fn decode<T: IntoIterator<Item=u8>>(&self, bytes: T) -> Option<Inst>; - fn decode_into<T: IntoIterator<Item=u8>>(&self, &mut Inst, bytes: T) -> Option<()>; + type Error: DecodeError + Debug + Display; + fn decode<T: IntoIterator<Item=u8>>(&self, bytes: T) -> Result<Inst, Self::Error>; + fn decode_into<T: IntoIterator<Item=u8>>(&self, &mut Inst, bytes: T) -> Result<(), Self::Error>; } #[cfg(feature="use-serde")] pub trait Arch { type Address: Address + Debug + Hash + PartialEq + Eq + Serialize + for<'de> Deserialize<'de>; - type Instruction: LengthedInstruction<Unit=Self::Address> + Debug; - type Decoder: Decoder<Self::Instruction> + Default; + type Instruction: Instruction + LengthedInstruction<Unit=Self::Address> + Debug; + type DecodeError: DecodeError + Debug + Display; + type Decoder: Decoder<Self::Instruction, Error=Self::DecodeError> + Default; type Operand; } #[cfg(not(feature="use-serde"))] pub trait Arch { type Address: Address + Debug + Hash + PartialEq + Eq; - type Instruction: LengthedInstruction<Unit=Self::Address> + Debug; - type Decoder: Decoder<Self::Instruction> + Default; + type Instruction: Instruction + LengthedInstruction<Unit=Self::Address> + Debug; + type DecodeError: DecodeError + Debug + Display; + type Decoder: Decoder<Self::Instruction, Error=Self::DecodeError> + Default; type Operand; } @@ -186,6 +195,10 @@ pub trait LengthedInstruction { fn min_size() -> Self::Unit; } +pub trait Instruction { + fn well_defined(&self) -> bool; +} + #[cfg(feature="use-serde")] impl Serialize for ColorSettings { fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> { |