def generate_lll_nodes(
global_ctx: GlobalContext,
no_optimize: bool) -> Tuple[LLLnode, LLLnode, FunctionSignatures]:
"""
Generate the intermediate representation (LLL) from the contextualized AST.
This phase also includes LLL-level optimizations.
This function returns three values: deployment bytecode, runtime bytecode
and the function signatures of the contract
Arguments
---------
global_ctx : GlobalContext
Contextualized Vyper AST
Returns
-------
(LLLnode, LLLnode)
LLL to generate deployment bytecode
LLL to generate runtime bytecode
"""
lll_nodes, lll_runtime, function_sigs = module.parse_tree_to_lll(
global_ctx)
if not no_optimize:
lll_nodes = optimizer.optimize(lll_nodes)
lll_runtime = optimizer.optimize(lll_runtime)
return lll_nodes, lll_runtime, function_sigs
def generate_lll_nodes(
global_ctx: GlobalContext) -> Tuple[parser.LLLnode, parser.LLLnode]:
"""
Generate the intermediate representation (LLL) from the contextualized AST.
This phase also includes LLL-level optimizations.
This function returns two values, one for generating deployment bytecode and
the other for generating runtime bytecode. The remaining compilation phases
may be called with either value, depending on the desired final output.
Arguments
---------
global_ctx : GlobalContext
Contextualized Vyper AST
Returns
-------
(LLLnode, LLLnode)
LLL to generate deployment bytecode
LLL to generate runtime bytecode
"""
lll_nodes, lll_runtime = parser.parse_tree_to_lll(global_ctx)
lll_nodes = optimizer.optimize(lll_nodes)
lll_runtime = optimizer.optimize(lll_runtime)
return lll_nodes, lll_runtime
def test_sha3_32():
lll = ["sha3_32", 0]
evm = [
"PUSH1", 0, "PUSH1", 192, "MSTORE", "PUSH1", 32, "PUSH1", 192, "SHA3"
]
assert compile_lll.compile_to_assembly(LLLnode.from_list(lll)) == evm
assert compile_lll.compile_to_assembly(
optimizer.optimize(LLLnode.from_list(lll))) == evm
def lll_compiler(lll, *args, **kwargs):
lll = optimizer.optimize(LLLnode.from_list(lll))
bytecode, _ = compile_lll.assembly_to_evm(compile_lll.compile_to_assembly(lll))
abi = kwargs.get("abi") or []
c = w3.eth.contract(abi=abi, bytecode=bytecode)
deploy_transaction = c.constructor()
tx_hash = deploy_transaction.transact()
address = w3.eth.getTransactionReceipt(tx_hash)["contractAddress"]
contract = w3.eth.contract(
address, abi=abi, bytecode=bytecode, ContractFactoryClass=VyperContract,
)
return contract
def __init__(self, lll_node, name):
# TODO figure out how to fix this circular import
from vyper.lll.optimizer import optimize
self.lll_node = lll_node
# for caching purposes, see if the lll_node will be optimized
# because a non-literal expr could turn into a literal,
# (e.g. `(add 1 2)`)
# TODO this could really be moved into optimizer.py
self.should_cache = optimize(lll_node).is_complex_lll
# a named LLL variable which represents the
# output of `lll_node`
self.lll_var = LLLnode.from_list(
name, typ=lll_node.typ, location=lll_node.location, encoding=lll_node.encoding
)
def compile_to_lll(input_file, output_formats, show_gas_estimates=False):
with open(input_file) as fh:
s_expressions = parse_s_exp(fh.read())
if show_gas_estimates:
LLLnode.repr_show_gas = True
compiler_data = {}
lll = LLLnode.from_list(s_expressions[0])
lll = optimizer.optimize(lll)
if "ir" in output_formats:
compiler_data["ir"] = lll
asm = compile_lll.compile_to_assembly(lll)
if "asm" in output_formats:
compiler_data["asm"] = asm
if "bytecode" in output_formats:
(bytecode, _srcmap) = compile_lll.assembly_to_evm(asm)
compiler_data["bytecode"] = "0x" + bytecode.hex()
return compiler_data
def test_lll_compile_fail(lll):
optimized = optimizer.optimize(LLLnode.from_list(lll[0]))
optimized.repr_show_gas = True
hand_optimized = LLLnode.from_list(lll[1])
hand_optimized.repr_show_gas = True
assert optimized == hand_optimized