def produce_source_map(code, interface_codes=None):
global_ctx = GlobalContext.get_global_context(
parser.parse_to_ast(code), interface_codes=interface_codes)
asm_list = compile_lll.compile_to_assembly(
optimizer.optimize(
parse_to_lll(code,
runtime_only=True,
interface_codes=interface_codes)))
c, line_number_map = compile_lll.assembly_to_evm(asm_list)
source_map = {
"globals": {},
"locals": {},
"line_number_map": line_number_map
}
source_map["globals"] = {
name: serialise_var_rec(var_record)
for name, var_record in global_ctx._globals.items()
}
# Fetch context for each function.
lll = parser.parse_tree_to_lll(
parser.parse_to_ast(code),
code,
interface_codes=interface_codes,
runtime_only=True,
)
contexts = {
f.func_name: f.context
for f in lll.args[1:] if hasattr(f, "context")
}
prev_func_name = None
for _def in global_ctx._defs:
if _def.name != "__init__":
func_info = {"from_lineno": _def.lineno, "variables": {}}
# set local variables for specific function.
context = contexts[_def.name]
func_info["variables"] = {
var_name: serialise_var_rec(var_rec)
for var_name, var_rec in context.vars.items()
}
source_map["locals"][_def.name] = func_info
# set to_lineno
if prev_func_name:
source_map["locals"][prev_func_name]["to_lineno"] = _def.lineno
prev_func_name = _def.name
source_map["locals"][_def.name]["to_lineno"] = len(code.splitlines())
return source_map
def __compile(code, interface_codes=None, *args, **kwargs):
ast = parser.parse_to_ast(code)
lll = parser.parse_tree_to_lll(ast,
code,
interface_codes=interface_codes,
runtime_only=kwargs.get(
'bytecode_runtime', False))
opt_lll = optimizer.optimize(lll)
asm = compile_lll.compile_to_assembly(opt_lll)
def find_nested_opcode(asm_list, key):
if key in asm_list:
return True
else:
sublists = [sub for sub in asm_list if isinstance(sub, list)]
return any(find_nested_opcode(x, key) for x in sublists)
if find_nested_opcode(asm, 'DEBUG'):
print('Please note this code contains DEBUG opcode.')
print(
'This will only work in a support EVM. This FAIL on any other nodes.'
)
c, line_number_map = compile_lll.assembly_to_evm(asm)
return c
def test_basic_grammar(lark_grammar):
code = """
a: uint256
b: uint128
"""
code_func = """
@public
def one_two_three() -> uint256:
return 123123123
"""
assert lark_grammar.parse(textwrap.dedent(code) + "\n")
assert parser.parse_to_ast(textwrap.dedent(code))
assert lark_grammar.parse(textwrap.dedent(code_func) + "\n")
assert parser.parse_to_ast(textwrap.dedent(code_func))
def extract_interface_str(code, contract_name, interface_codes=None):
sigs = sig_utils.mk_full_signature(
parser.parse_to_ast(code),
sig_formatter=lambda x, y: (x, y),
interface_codes=interface_codes,
)
events = [sig for sig, _ in sigs if isinstance(sig, EventSignature)]
functions = [sig for sig, _ in sigs if isinstance(sig, FunctionSignature)]
out = ""
# Print events.
for idx, event in enumerate(events):
if idx == 0:
out += "# Events\n\n"
event_args_str = ', '.join([arg.name + ': ' + str(arg.typ) for arg in event.args])
out += f"{event.name}: event({{{event_args_str}}})\n"
# Print functions.
def render_decorator(sig):
o = "\n"
if sig.const:
o += "@constant\n"
if not sig.private:
o += "@public\n"
return o
for idx, func in enumerate(functions):
if idx == 0:
out += "\n# Functions\n"
if not func.private and func.name != '__init__':
args = ", ".join([arg.name + ": " + str(arg.typ) for arg in func.args])
out += f"{render_decorator(func)}def {func.name}({args}){render_return(func)}:\n pass\n" # noqa: E501
out += "\n"
return out
def generate_inline_function(code, variables, memory_allocator):
ast_code = parse_to_ast(code)
new_context = Context(vars=variables,
global_ctx=GlobalContext(),
memory_allocator=memory_allocator,
origcode=code)
generated_lll = parse_body(ast_code, new_context)
return new_context, generated_lll
def mk_full_signature(code, *args, **kwargs):
abi = parser.mk_full_signature(parser.parse_to_ast(code), *args, **kwargs)
# Add gas estimates for each function to ABI
gas_estimates = gas_estimate(code, *args, **kwargs)
for idx, func in enumerate(abi):
func_name = func.get('name', '').split('(')[0]
# Skip __init__, has no estimate
if func_name in gas_estimates:
abi[idx]['gas'] = gas_estimates[func_name]
return abi
def extract_sigs(sig_code):
if sig_code['type'] == 'vyper':
return parser.mk_full_signature(parser.parse_to_ast(sig_code['code']),
sig_formatter=lambda x, y: x)
elif sig_code['type'] == 'json':
return mk_full_signature_from_json(sig_code['code'])
else:
raise Exception(
("Unknown interface signature type '{}' supplied. "
"'vyper' & 'json' are supported").format(sig_code['type']))
def produce_source_map(code):
global_ctx = GlobalContext.get_global_context(parser.parse_to_ast(code))
asm_list = compile_lll.compile_to_assembly(
optimizer.optimize(parse_to_lll(code, runtime_only=True)))
c, line_number_map = compile_lll.assembly_to_evm(asm_list)
source_map = {
'globals': {},
'locals': {},
'line_number_map': line_number_map
}
source_map['globals'] = {
name: serialise_var_rec(var_record)
for name, var_record in global_ctx._globals.items()
}
# Fetch context for each function.
lll = parser.parse_tree_to_lll(parser.parse_to_ast(code),
code,
runtime_only=True)
contexts = {
f.func_name: f.context
for f in lll.args[1:] if hasattr(f, 'context')
}
prev_func_name = None
for _def in global_ctx._defs:
if _def.name != '__init__':
func_info = {'from_lineno': _def.lineno, 'variables': {}}
# set local variables for specific function.
context = contexts[_def.name]
func_info['variables'] = {
var_name: serialise_var_rec(var_rec)
for var_name, var_rec in context.vars.items()
}
source_map['locals'][_def.name] = func_info
# set to_lineno
if prev_func_name:
source_map['locals'][prev_func_name]['to_lineno'] = _def.lineno
prev_func_name = _def.name
source_map['locals'][_def.name]['to_lineno'] = len(code.splitlines())
return source_map
def extract_file_interface_imports(code):
ast_tree = parser.parse_to_ast(code)
imports_dict = {}
for item in ast_tree:
if isinstance(item, ast.Import):
for a_name in item.names:
if not a_name.asname:
raise StructureException('Interface statement requires an accompanying `as` statement.', item)
if a_name.asname in imports_dict:
raise StructureException('Interface with Alias {} already exists'.format(a_name.asname), item)
imports_dict[a_name.asname] = a_name.name
return imports_dict
def extract_sigs(sig_code):
if sig_code['type'] == 'vyper':
interface_ast = parser.parse_to_ast(sig_code['code'])
return sig_utils.mk_full_signature(
[i for i in interface_ast if not isinstance(i, (ast.Import, ast.ImportFrom))],
sig_formatter=lambda x, y: x
)
elif sig_code['type'] == 'json':
return mk_full_signature_from_json(sig_code['code'])
else:
raise Exception(
(f"Unknown interface signature type '{sig_code['type']}' supplied. "
"'vyper' & 'json' are supported")
)
def extract_sigs(sig_code):
if sig_code['type'] == 'vyper':
interface_ast = [
i for i in parser.parse_to_ast(sig_code['code'])
if isinstance(i, ast.FunctionDef) or (
isinstance(i, ast.AnnAssign) and i.target.id != "implements")
]
return sig_utils.mk_full_signature(interface_ast,
sig_formatter=lambda x, y: x)
elif sig_code['type'] == 'json':
return mk_full_signature_from_json(sig_code['code'])
else:
raise Exception((
f"Unknown interface signature type '{sig_code['type']}' supplied. "
"'vyper' & 'json' are supported"))
def mk_full_signature(code, *args, **kwargs):
abi = parser.mk_full_signature(parser.parse_to_ast(code), *args, **kwargs)
# Add gas estimates for each function to ABI
gas_estimates = gas_estimate(code, *args, **kwargs)
for func in abi:
try:
func_signature = func['name']
except KeyError:
# constructor and fallback functions don't have a name
continue
func_name, _, _ = func_signature.partition('(')
# This check ensures we skip __init__ since it has no estimate
if func_name in gas_estimates:
# TODO: mutation
func['gas'] = gas_estimates[func_name]
return abi
def extract_file_interface_imports(code: SourceCode) -> InterfaceImports:
ast_tree = parser.parse_to_ast(code)
imports_dict: InterfaceImports = {}
for item in ast_tree:
if isinstance(item, ast.Import):
for a_name in item.names: # type: ignore
if not a_name.asname:
raise StructureException(
'Interface statement requires an accompanying `as` statement.',
item,
)
if a_name.asname in imports_dict:
raise StructureException(
f'Interface with alias {a_name.asname} already exists',
item,
)
imports_dict[a_name.asname] = a_name.name.replace('.', '/')
elif isinstance(item, ast.ImportFrom):
for a_name in item.names: # type: ignore
if a_name.asname:
raise StructureException("From imports cannot use aliases",
item)
level = item.level # type: ignore
module = item.module or "" # type: ignore
if not level and module == 'vyper.interfaces':
continue
base_path = ""
if level > 1:
base_path = "../" * (level - 1)
elif level == 1:
base_path = "./"
base_path = f"{base_path}{module.replace('.','/')}/"
for a_name in item.names: # type: ignore
if a_name.name in imports_dict:
raise StructureException(
f'Interface with name {a_name.name} already exists',
item,
)
imports_dict[a_name.name] = f"{base_path}{a_name.name}"
return imports_dict
def extract_external_interface(code, contract_name):
sigs = parser.mk_full_signature(parser.parse_to_ast(code), sig_formatter=lambda x, y: (x, y))
functions = [sig for sig, _ in sigs if isinstance(sig, FunctionSignature)]
cname = os.path.basename(contract_name).split('.')[0].capitalize()
out = ""
offset = 4 * " "
for idx, func in enumerate(functions):
if idx == 0:
out += "\n# External Contracts\ncontract %s:\n" % cname
if not func.private and func.name != '__init__':
out += offset + "def {name}({args}){ret}: {func_type}\n".format(
name=func.name,
args=", ".join([arg.name + ": " + str(arg.typ) for arg in func.args]),
ret=render_return(func),
func_type="constant" if func.const else "modifying",
)
out += "\n"
return out
def extract_external_interface(code, contract_name, interface_codes=None):
sigs = sig_utils.mk_full_signature(
parser.parse_to_ast(code),
sig_formatter=lambda x, y: (x, y),
interface_codes=interface_codes,
)
functions = [sig for sig, _ in sigs if isinstance(sig, FunctionSignature)]
cname = Path(contract_name).stem.capitalize()
out = ""
offset = 4 * " "
for idx, func in enumerate(functions):
if idx == 0:
out += f"\n# External Contracts\ncontract {cname}:\n"
if not func.private and func.name != '__init__':
args = ", ".join([arg.name + ": " + str(arg.typ) for arg in func.args])
func_type = "constant" if func.const else "modifying"
out += offset + f"def {func.name}({args}){render_return(func)}: {func_type}\n"
out += "\n"
return out
def mk_method_identifiers(code, interface_codes=None):
from vyper.parser.parser import parse_to_ast
o = {}
global_ctx = GlobalContext.get_global_context(
parse_to_ast(code),
interface_codes=interface_codes,
)
for code in global_ctx._defs:
sig = FunctionSignature.from_definition(
code,
sigs=global_ctx._contracts,
custom_units=global_ctx._custom_units,
constants=global_ctx._constants,
)
if not sig.private:
default_sigs = generate_default_arg_sigs(code,
global_ctx._contracts,
global_ctx)
for s in default_sigs:
o[s.sig] = hex(s.method_id)
return o
def extract_interface_str(code, contract_name):
sigs = parser.mk_full_signature(parser.parse_to_ast(code), sig_formatter=lambda x, y: (x, y))
events = [sig for sig, _ in sigs if isinstance(sig, EventSignature)]
functions = [sig for sig, _ in sigs if isinstance(sig, FunctionSignature)]
out = ""
# Print events.
for idx, event in enumerate(events):
if idx == 0:
out += "# Events\n\n"
out += "{event_name}: event({{{args}}})\n".format(
event_name=event.name,
args=", ".join([arg.name + ": " + str(arg.typ) for arg in event.args])
)
# Print functions.
def render_decorator(sig):
o = "\n"
if sig.const:
o += "@constant\n"
if not sig.private:
o += "@public\n"
return o
for idx, func in enumerate(functions):
if idx == 0:
out += "\n# Functions\n"
if not func.private and func.name != '__init__':
out += "{decorator}def {name}({args}){ret}:\n pass\n".format(
decorator=render_decorator(func),
name=func.name,
args=", ".join([arg.name + ": " + str(arg.typ) for arg in func.args]),
ret=render_return(func)
)
out += "\n"
return out
def test_grammar_bruteforce(code):
if utf8_encodable(code):
tree = parser.parse_to_ast(code + "\n")
assert isinstance(tree, list)
def _mk_ast_dict(code, contract_name, interface_codes):
o = {
'contract_name': contract_name,
'ast': ast_to_dict(parser.parse_to_ast(code))
}
return o
def extract_sigs(code):
sigs = parser.mk_full_signature(parser.parse_to_ast(code),
sig_formatter=lambda x, y: x)
return sigs
