Struct OpCode
#[repr(transparent)]pub struct OpCode(u8);Expand description
An EVM opcode.
This is always a valid opcode, as declared in the opcode module or the
OPCODE_INFO_JUMPTABLE constant.
Tuple Fields§
§0: u8Implementations§
§impl OpCode
impl OpCode
pub const fn is_jumpdest(&self) -> bool
pub const fn is_jumpdest(&self) -> bool
Returns true if the opcode is a jump destination.
pub const fn is_jumpdest_by_op(opcode: u8) -> bool
pub const fn is_jumpdest_by_op(opcode: u8) -> bool
Takes a u8 and returns true if it is a jump destination.
pub const fn is_jump_by_op(opcode: u8) -> bool
pub const fn is_jump_by_op(opcode: u8) -> bool
Takes a u8 and returns true if it is a jump instruction.
pub fn is_push_by_op(opcode: u8) -> bool
pub fn is_push_by_op(opcode: u8) -> bool
Takes a u8 and returns true if it is a push instruction.
pub unsafe fn new_unchecked(opcode: u8) -> OpCode
pub unsafe fn new_unchecked(opcode: u8) -> OpCode
Instantiate a new opcode from a u8 without checking if it is valid.
§Safety
All code using Opcode values assume that they are valid opcodes, so providing an invalid
opcode may cause undefined behavior.
pub const fn as_str(self) -> &'static str
pub const fn as_str(self) -> &'static str
Returns the opcode as a string. This is the inverse of parse.
pub const fn name_by_op(opcode: u8) -> &'static str
pub const fn name_by_op(opcode: u8) -> &'static str
Returns the opcode name.
pub const fn io_diff(&self) -> i16
pub const fn io_diff(&self) -> i16
Calculates the difference between the number of input and output stack elements.
pub const fn info_by_op(opcode: u8) -> Option<OpCodeInfo>
pub const fn info_by_op(opcode: u8) -> Option<OpCodeInfo>
Returns the opcode information for the given opcode.
pub const fn info(&self) -> OpCodeInfo
pub const fn info(&self) -> OpCodeInfo
Returns the opcode information.
pub const fn input_output(&self) -> (u8, u8)
pub const fn input_output(&self) -> (u8, u8)
Returns the number of both input and output stack elements.
Can be slightly faster that calling inputs and outputs separately.
pub const fn modifies_memory(&self) -> bool
pub const fn modifies_memory(&self) -> bool
Returns true if the opcode modifies memory. https://bluealloy.github.io/revm/crates/interpreter/memory.html#opcodes https://github.com/crytic/evm-opcodes
§impl OpCode
impl OpCode
pub const SIGNEXTEND: OpCode = _
pub const SIGNEXTEND: OpCode = _
The 0x0B (“SIGNEXTEND”) opcode.
pub const CALLDATALOAD: OpCode = _
pub const CALLDATALOAD: OpCode = _
The 0x35 (“CALLDATALOAD”) opcode.
pub const CALLDATASIZE: OpCode = _
pub const CALLDATASIZE: OpCode = _
The 0x36 (“CALLDATASIZE”) opcode.
pub const CALLDATACOPY: OpCode = _
pub const CALLDATACOPY: OpCode = _
The 0x37 (“CALLDATACOPY”) opcode.
pub const EXTCODESIZE: OpCode = _
pub const EXTCODESIZE: OpCode = _
The 0x3B (“EXTCODESIZE”) opcode.
pub const EXTCODECOPY: OpCode = _
pub const EXTCODECOPY: OpCode = _
The 0x3C (“EXTCODECOPY”) opcode.
pub const RETURNDATASIZE: OpCode = _
pub const RETURNDATASIZE: OpCode = _
The 0x3D (“RETURNDATASIZE”) opcode.
pub const RETURNDATACOPY: OpCode = _
pub const RETURNDATACOPY: OpCode = _
The 0x3E (“RETURNDATACOPY”) opcode.
pub const EXTCODEHASH: OpCode = _
pub const EXTCODEHASH: OpCode = _
The 0x3F (“EXTCODEHASH”) opcode.
pub const DIFFICULTY: OpCode = _
pub const DIFFICULTY: OpCode = _
The 0x44 (“DIFFICULTY”) opcode.
pub const SELFBALANCE: OpCode = _
pub const SELFBALANCE: OpCode = _
The 0x47 (“SELFBALANCE”) opcode.
pub const BLOBBASEFEE: OpCode = _
pub const BLOBBASEFEE: OpCode = _
The 0x4A (“BLOBBASEFEE”) opcode.
pub const RETURNCONTRACT: OpCode = _
pub const RETURNCONTRACT: OpCode = _
The 0xEE (“RETURNCONTRACT”) opcode.
pub const DELEGATECALL: OpCode = _
pub const DELEGATECALL: OpCode = _
The 0xF4 (“DELEGATECALL”) opcode.
pub const RETURNDATALOAD: OpCode = _
pub const RETURNDATALOAD: OpCode = _
The 0xF7 (“RETURNDATALOAD”) opcode.
pub const EXTDELEGATECALL: OpCode = _
pub const EXTDELEGATECALL: OpCode = _
The 0xF9 (“EXTDELEGATECALL”) opcode.
pub const STATICCALL: OpCode = _
pub const STATICCALL: OpCode = _
The 0xFA (“STATICCALL”) opcode.
pub const EXTSTATICCALL: OpCode = _
pub const EXTSTATICCALL: OpCode = _
The 0xFB (“EXTSTATICCALL”) opcode.
pub const SELFDESTRUCT: OpCode = _
pub const SELFDESTRUCT: OpCode = _
The 0xFF (“SELFDESTRUCT”) opcode.
Trait Implementations§
§impl Ord for OpCode
impl Ord for OpCode
§impl PartialOrd for OpCode
impl PartialOrd for OpCode
impl Copy for OpCode
impl Eq for OpCode
impl StructuralPartialEq for OpCode
Auto Trait Implementations§
impl Freeze for OpCode
impl RefUnwindSafe for OpCode
impl Send for OpCode
impl Sync for OpCode
impl Unpin for OpCode
impl UnwindSafe for OpCode
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