Struct zingen::Assembler

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pub struct Assembler {
    pub mp: usize,
    pub sp: u8,
    /* private fields */
}
Expand description

Low level assembler implementation for EVM.

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§mp: usize

Memory pointer for byte offset.

§sp: u8

Stack pointer, maximum 1024 items.

Implementations§

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impl Assembler

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pub fn buffer(&self) -> &[u8] ⓘ

Buffer of the assembler.

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pub fn buffer_mut(&mut self) -> &mut Buffer

Mutable buffer of the assembler.

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pub fn increment_gas(&mut self, gas: u128)

Increment the gas counter.

TODO: use number bigger than u256 for throwing proper errors. (#21)

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pub fn increment_sp(&mut self, items: u8) -> Result<()>

Increment stack pointer

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pub fn decrement_sp(&mut self, items: u8) -> Result<()>

Decrement stack pointer

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pub fn increment_mp(&mut self, offset: usize) -> Result<()>

Increment memory pointer

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pub fn decrement_mp(&mut self, offset: usize) -> Result<()>

Decrement memory pointer

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pub fn emit(&mut self, byte: u8)

Emit a byte.

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pub fn emitn(&mut self, bytes: &[u8])

Emit n bytes.

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pub fn emit_op(&mut self, opcode: OpCode) -> Result<()>

Emit a single opcode.

Mock the stack input and output for checking the stack usages.

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impl Assembler

Basic instruction implementations

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pub fn _stop(&mut self) -> Result<()>

EmitSTOP

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pub fn _add(&mut self) -> Result<()>

EmitADD

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pub fn _mul(&mut self) -> Result<()>

EmitMUL

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pub fn _sub(&mut self) -> Result<()>

EmitSUB

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pub fn _div(&mut self) -> Result<()>

EmitDIV

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pub fn _sdiv(&mut self) -> Result<()>

EmitSDIV

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pub fn _mod(&mut self) -> Result<()>

EmitMOD

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pub fn _smod(&mut self) -> Result<()>

EmitSMOD

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pub fn _addmod(&mut self) -> Result<()>

EmitADDMOD

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pub fn _mulmod(&mut self) -> Result<()>

EmitMULMOD

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pub fn _exp(&mut self) -> Result<()>

EmitEXP

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pub fn _signextend(&mut self) -> Result<()>

EmitSIGNEXTEND

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pub fn _lt(&mut self) -> Result<()>

EmitLT

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pub fn _gt(&mut self) -> Result<()>

EmitGT

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pub fn _slt(&mut self) -> Result<()>

EmitSLT

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pub fn _sgt(&mut self) -> Result<()>

EmitSGT

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pub fn _eq(&mut self) -> Result<()>

EmitEQ

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pub fn _iszero(&mut self) -> Result<()>

EmitISZERO

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pub fn _and(&mut self) -> Result<()>

EmitAND

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pub fn _or(&mut self) -> Result<()>

EmitOR

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pub fn _xor(&mut self) -> Result<()>

EmitXOR

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pub fn _not(&mut self) -> Result<()>

EmitNOT

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pub fn _byte(&mut self) -> Result<()>

EmitBYTE

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pub fn _shl(&mut self) -> Result<()>

EmitSHL

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pub fn _shr(&mut self) -> Result<()>

EmitSHR

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pub fn _sar(&mut self) -> Result<()>

EmitSAR

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pub fn _sha3(&mut self) -> Result<()>

EmitSHA3

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pub fn _address(&mut self) -> Result<()>

EmitADDRESS

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pub fn _balance(&mut self) -> Result<()>

EmitBALANCE

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pub fn _origin(&mut self) -> Result<()>

EmitORIGIN

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pub fn _caller(&mut self) -> Result<()>

EmitCALLER

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pub fn _callvalue(&mut self) -> Result<()>

EmitCALLVALUE

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pub fn _calldataload(&mut self) -> Result<()>

EmitCALLDATALOAD

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pub fn _calldatasize(&mut self) -> Result<()>

EmitCALLDATASIZE

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pub fn _calldatacopy(&mut self) -> Result<()>

EmitCALLDATACOPY

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pub fn _codesize(&mut self) -> Result<()>

EmitCODESIZE

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pub fn _codecopy(&mut self) -> Result<()>

EmitCODECOPY

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pub fn _gasprice(&mut self) -> Result<()>

EmitGASPRICE

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pub fn _extcodesize(&mut self) -> Result<()>

EmitEXTCODESIZE

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pub fn _extcodecopy(&mut self) -> Result<()>

EmitEXTCODECOPY

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pub fn _returndatasize(&mut self) -> Result<()>

EmitRETURNDATASIZE

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pub fn _returndatacopy(&mut self) -> Result<()>

EmitRETURNDATACOPY

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pub fn _blockhash(&mut self) -> Result<()>

EmitBLOCKHASH

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pub fn _coinbase(&mut self) -> Result<()>

EmitCOINBASE

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pub fn _timestamp(&mut self) -> Result<()>

EmitTIMESTAMP

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pub fn _number(&mut self) -> Result<()>

EmitNUMBER

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pub fn _difficulty(&mut self) -> Result<()>

EmitDIFFICULTY

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pub fn _gaslimit(&mut self) -> Result<()>

EmitGASLIMIT

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pub fn _pop(&mut self) -> Result<()>

EmitPOP

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pub fn _mload(&mut self) -> Result<()>

EmitMLOAD

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pub fn _mstore(&mut self) -> Result<()>

EmitMSTORE

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pub fn _mstore8(&mut self) -> Result<()>

EmitMSTORE8

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pub fn _sload(&mut self) -> Result<()>

EmitSLOAD

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pub fn _sstore(&mut self) -> Result<()>

EmitSSTORE

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pub fn _jump(&mut self) -> Result<()>

EmitJUMP

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pub fn _jumpi(&mut self) -> Result<()>

EmitJUMPI

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pub fn _pc(&mut self) -> Result<()>

EmitPC

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pub fn _msize(&mut self) -> Result<()>

EmitMSIZE

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pub fn _gas(&mut self) -> Result<()>

EmitGAS

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pub fn _jumpdest(&mut self) -> Result<()>

EmitJUMPDEST

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pub fn _push0(&mut self) -> Result<()>

EmitPUSH0

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pub fn _push1(&mut self) -> Result<()>

EmitPUSH1

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pub fn _push2(&mut self) -> Result<()>

EmitPUSH2

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pub fn _push3(&mut self) -> Result<()>

EmitPUSH3

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pub fn _push4(&mut self) -> Result<()>

EmitPUSH4

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pub fn _push5(&mut self) -> Result<()>

EmitPUSH5

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pub fn _push6(&mut self) -> Result<()>

EmitPUSH6

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pub fn _push7(&mut self) -> Result<()>

EmitPUSH7

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pub fn _push8(&mut self) -> Result<()>

EmitPUSH8

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pub fn _push9(&mut self) -> Result<()>

EmitPUSH9

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pub fn _push10(&mut self) -> Result<()>

EmitPUSH10

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pub fn _push11(&mut self) -> Result<()>

EmitPUSH11

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pub fn _push12(&mut self) -> Result<()>

EmitPUSH12

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pub fn _push13(&mut self) -> Result<()>

EmitPUSH13

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pub fn _push14(&mut self) -> Result<()>

EmitPUSH14

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pub fn _push15(&mut self) -> Result<()>

EmitPUSH15

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pub fn _push16(&mut self) -> Result<()>

EmitPUSH16

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pub fn _push17(&mut self) -> Result<()>

EmitPUSH17

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pub fn _push18(&mut self) -> Result<()>

EmitPUSH18

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pub fn _push19(&mut self) -> Result<()>

EmitPUSH19

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pub fn _push20(&mut self) -> Result<()>

EmitPUSH20

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pub fn _push21(&mut self) -> Result<()>

EmitPUSH21

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pub fn _push22(&mut self) -> Result<()>

EmitPUSH22

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pub fn _push23(&mut self) -> Result<()>

EmitPUSH23

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pub fn _push24(&mut self) -> Result<()>

EmitPUSH24

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pub fn _push25(&mut self) -> Result<()>

EmitPUSH25

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pub fn _push26(&mut self) -> Result<()>

EmitPUSH26

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pub fn _push27(&mut self) -> Result<()>

EmitPUSH27

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pub fn _push28(&mut self) -> Result<()>

EmitPUSH28

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pub fn _push29(&mut self) -> Result<()>

EmitPUSH29

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pub fn _push30(&mut self) -> Result<()>

EmitPUSH30

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pub fn _push31(&mut self) -> Result<()>

EmitPUSH31

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pub fn _push32(&mut self) -> Result<()>

EmitPUSH32

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pub fn _dup1(&mut self) -> Result<()>

EmitDUP1

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pub fn _dup2(&mut self) -> Result<()>

EmitDUP2

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pub fn _dup3(&mut self) -> Result<()>

EmitDUP3

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pub fn _dup4(&mut self) -> Result<()>

EmitDUP4

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pub fn _dup5(&mut self) -> Result<()>

EmitDUP5

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pub fn _dup6(&mut self) -> Result<()>

EmitDUP6

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pub fn _dup7(&mut self) -> Result<()>

EmitDUP7

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pub fn _dup8(&mut self) -> Result<()>

EmitDUP8

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pub fn _dup9(&mut self) -> Result<()>

EmitDUP9

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pub fn _dup10(&mut self) -> Result<()>

EmitDUP10

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pub fn _dup11(&mut self) -> Result<()>

EmitDUP11

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pub fn _dup12(&mut self) -> Result<()>

EmitDUP12

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pub fn _dup13(&mut self) -> Result<()>

EmitDUP13

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pub fn _dup14(&mut self) -> Result<()>

EmitDUP14

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pub fn _dup15(&mut self) -> Result<()>

EmitDUP15

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pub fn _dup16(&mut self) -> Result<()>

EmitDUP16

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pub fn _swap1(&mut self) -> Result<()>

EmitSWAP1

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pub fn _swap2(&mut self) -> Result<()>

EmitSWAP2

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pub fn _swap3(&mut self) -> Result<()>

EmitSWAP3

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pub fn _swap4(&mut self) -> Result<()>

EmitSWAP4

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pub fn _swap5(&mut self) -> Result<()>

EmitSWAP5

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pub fn _swap6(&mut self) -> Result<()>

EmitSWAP6

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pub fn _swap7(&mut self) -> Result<()>

EmitSWAP7

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pub fn _swap8(&mut self) -> Result<()>

EmitSWAP8

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pub fn _swap9(&mut self) -> Result<()>

EmitSWAP9

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pub fn _swap10(&mut self) -> Result<()>

EmitSWAP10

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pub fn _swap11(&mut self) -> Result<()>

EmitSWAP11

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pub fn _swap12(&mut self) -> Result<()>

EmitSWAP12

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pub fn _swap13(&mut self) -> Result<()>

EmitSWAP13

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pub fn _swap14(&mut self) -> Result<()>

EmitSWAP14

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pub fn _swap15(&mut self) -> Result<()>

EmitSWAP15

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pub fn _swap16(&mut self) -> Result<()>

EmitSWAP16

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pub fn _log0(&mut self) -> Result<()>

EmitLOG0

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pub fn _log1(&mut self) -> Result<()>

EmitLOG1

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pub fn _log2(&mut self) -> Result<()>

EmitLOG2

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pub fn _log3(&mut self) -> Result<()>

EmitLOG3

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pub fn _log4(&mut self) -> Result<()>

EmitLOG4

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pub fn _create(&mut self) -> Result<()>

EmitCREATE

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pub fn _call(&mut self) -> Result<()>

EmitCALL

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pub fn _callcode(&mut self) -> Result<()>

EmitCALLCODE

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pub fn _return(&mut self) -> Result<()>

EmitRETURN

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pub fn _delegatecall(&mut self) -> Result<()>

EmitDELEGATECALL

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pub fn _create2(&mut self) -> Result<()>

EmitCREATE2

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pub fn _staticcall(&mut self) -> Result<()>

EmitSTATICCALL

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pub fn _revert(&mut self) -> Result<()>

EmitREVERT

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pub fn _invalid(&mut self) -> Result<()>

EmitINVALID

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pub fn _selfdestruct(&mut self) -> Result<()>

EmitSELFDESTRUCT

Trait Implementations§

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impl Default for Assembler

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fn default() -> Assembler

Returns the “default value” for a type. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more