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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