vyper-debug/vdb/source_map.py

107 lines
3.0 KiB
Python

from vyper.parser import (
parser,
)
from vyper.parser.global_context import (
GlobalContext
)
from vyper.types import (
ByteArrayType,
get_size_of_type,
MappingType,
StringType,
StructType,
TupleType,
)
from vyper import compile_lll
from vyper import optimizer
from vyper.parser.parser import parse_to_lll
def serialise_var_rec(var_rec):
if isinstance(var_rec.typ, ByteArrayType):
type_str = 'bytes[%s]' % var_rec.typ.maxlen
_size = get_size_of_type(var_rec.typ) * 32
elif isinstance(var_rec.typ, StringType):
type_str = 'string[%s]' % var_rec.typ.maxlen
_size = get_size_of_type(var_rec.typ) * 32
elif isinstance(var_rec.typ, StructType):
type_str = 'struct[%s]' % var_rec.typ.name
_size = get_size_of_type(var_rec.typ) * 32
elif isinstance(var_rec.typ, TupleType):
type_str = 'tuple'
_size = get_size_of_type(var_rec.typ) * 32
elif isinstance(var_rec.typ, MappingType):
type_str = str(var_rec.typ)
_size = 0
else:
type_str = str(var_rec.typ)
_size = get_size_of_type(var_rec.typ) * 32
out = {
'type': type_str,
'size': _size,
'position': var_rec.pos
}
return out
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