circuitpython/tools/mpy-tool.py

739 lines
25 KiB
Python
Executable File

#!/usr/bin/env python3
# SPDX-FileCopyrightText: Copyright (c) 2016 Damien P. George
# SPDX-FileCopyrightText: 2014 MicroPython & CircuitPython contributors (https://github.com/adafruit/circuitpython/graphs/contributors)
#
# SPDX-License-Identifier: MIT
# Python 2/3 compatibility code
from __future__ import print_function
import platform
if platform.python_version_tuple()[0] == "2":
str_cons = lambda val, enc=None: val
bytes_cons = lambda val, enc=None: bytearray(val)
is_str_type = lambda o: type(o) is str
is_bytes_type = lambda o: type(o) is bytearray
is_int_type = lambda o: type(o) is int or type(o) is long
else:
str_cons = str
bytes_cons = bytes
is_str_type = lambda o: type(o) is str
is_bytes_type = lambda o: type(o) is bytes
is_int_type = lambda o: type(o) is int
# end compatibility code
import sys
import struct
from collections import namedtuple
sys.path.append(sys.path[0] + "/../py")
import makeqstrdata as qstrutil
class FreezeError(Exception):
def __init__(self, rawcode, msg):
self.rawcode = rawcode
self.msg = msg
def __str__(self):
return "error while freezing %s: %s" % (self.rawcode.source_file, self.msg)
class Config:
MPY_VERSION = 3
MICROPY_LONGINT_IMPL_NONE = 0
MICROPY_LONGINT_IMPL_LONGLONG = 1
MICROPY_LONGINT_IMPL_MPZ = 2
config = Config()
MP_OPCODE_BYTE = 0
MP_OPCODE_QSTR = 1
MP_OPCODE_VAR_UINT = 2
MP_OPCODE_OFFSET = 3
# extra bytes:
MP_BC_MAKE_CLOSURE = 0x62
MP_BC_MAKE_CLOSURE_DEFARGS = 0x63
MP_BC_RAISE_VARARGS = 0x5C
# extra byte if caching enabled:
MP_BC_LOAD_NAME = 0x1B
MP_BC_LOAD_GLOBAL = 0x1C
MP_BC_LOAD_ATTR = 0x1D
MP_BC_STORE_ATTR = 0x26
# load opcode names
opcode_names = {}
with open("../../py/bc0.h") as f:
for line in f.readlines():
if line.startswith("#define"):
s = line.split(maxsplit=3)
if len(s) < 3:
continue
_, name, value = s[:3]
opcode = int(value.strip("()"), 0)
opcode_names[opcode] = name
def make_opcode_format():
def OC4(a, b, c, d):
return a | (b << 2) | (c << 4) | (d << 6)
U = 0
B = 0
Q = 1
V = 2
O = 3
return bytes_cons(
(
# this table is taken verbatim from py/bc.c
OC4(U, U, U, U), # 0x00-0x03
OC4(U, U, U, U), # 0x04-0x07
OC4(U, U, U, U), # 0x08-0x0b
OC4(U, U, U, U), # 0x0c-0x0f
OC4(B, B, B, U), # 0x10-0x13
OC4(V, U, Q, V), # 0x14-0x17
OC4(B, V, V, Q), # 0x18-0x1b
OC4(Q, Q, Q, Q), # 0x1c-0x1f
OC4(B, B, V, V), # 0x20-0x23
OC4(Q, Q, Q, B), # 0x24-0x27
OC4(V, V, Q, Q), # 0x28-0x2b
OC4(U, U, U, U), # 0x2c-0x2f
OC4(B, B, B, B), # 0x30-0x33
OC4(B, O, O, O), # 0x34-0x37
OC4(O, O, U, U), # 0x38-0x3b
OC4(U, O, B, O), # 0x3c-0x3f
OC4(O, B, B, O), # 0x40-0x43
OC4(B, B, O, B), # 0x44-0x47
OC4(U, U, U, U), # 0x48-0x4b
OC4(U, U, U, U), # 0x4c-0x4f
OC4(V, V, U, V), # 0x50-0x53
OC4(B, U, V, V), # 0x54-0x57
OC4(V, V, V, B), # 0x58-0x5b
OC4(B, B, B, U), # 0x5c-0x5f
OC4(V, V, V, V), # 0x60-0x63
OC4(V, V, V, V), # 0x64-0x67
OC4(Q, Q, B, U), # 0x68-0x6b
OC4(U, U, U, U), # 0x6c-0x6f
OC4(B, B, B, B), # 0x70-0x73
OC4(B, B, B, B), # 0x74-0x77
OC4(B, B, B, B), # 0x78-0x7b
OC4(B, B, B, B), # 0x7c-0x7f
OC4(B, B, B, B), # 0x80-0x83
OC4(B, B, B, B), # 0x84-0x87
OC4(B, B, B, B), # 0x88-0x8b
OC4(B, B, B, B), # 0x8c-0x8f
OC4(B, B, B, B), # 0x90-0x93
OC4(B, B, B, B), # 0x94-0x97
OC4(B, B, B, B), # 0x98-0x9b
OC4(B, B, B, B), # 0x9c-0x9f
OC4(B, B, B, B), # 0xa0-0xa3
OC4(B, B, B, B), # 0xa4-0xa7
OC4(B, B, B, B), # 0xa8-0xab
OC4(B, B, B, B), # 0xac-0xaf
OC4(B, B, B, B), # 0xb0-0xb3
OC4(B, B, B, B), # 0xb4-0xb7
OC4(B, B, B, B), # 0xb8-0xbb
OC4(B, B, B, B), # 0xbc-0xbf
OC4(B, B, B, B), # 0xc0-0xc3
OC4(B, B, B, B), # 0xc4-0xc7
OC4(B, B, B, B), # 0xc8-0xcb
OC4(B, B, B, B), # 0xcc-0xcf
OC4(B, B, B, B), # 0xd0-0xd3
OC4(U, U, U, B), # 0xd4-0xd7
OC4(B, B, B, B), # 0xd8-0xdb
OC4(B, B, B, B), # 0xdc-0xdf
OC4(B, B, B, B), # 0xe0-0xe3
OC4(B, B, B, B), # 0xe4-0xe7
OC4(B, B, B, B), # 0xe8-0xeb
OC4(B, B, B, B), # 0xec-0xef
OC4(B, B, B, B), # 0xf0-0xf3
OC4(B, B, B, B), # 0xf4-0xf7
OC4(U, U, U, U), # 0xf8-0xfb
OC4(U, U, U, U), # 0xfc-0xff
)
)
# this function mirrors that in py/bc.c
def mp_opcode_format(bytecode, ip, opcode_format=make_opcode_format()):
opcode = bytecode[ip]
ip_start = ip
f = (opcode_format[opcode >> 2] >> (2 * (opcode & 3))) & 3
if f == MP_OPCODE_QSTR:
if config.MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE:
if (
opcode == MP_BC_LOAD_NAME
or opcode == MP_BC_LOAD_GLOBAL
or opcode == MP_BC_LOAD_ATTR
or opcode == MP_BC_STORE_ATTR
):
ip += 1
ip += 3
else:
extra_byte = (
opcode == MP_BC_RAISE_VARARGS
or opcode == MP_BC_MAKE_CLOSURE
or opcode == MP_BC_MAKE_CLOSURE_DEFARGS
or config.MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE
and (
opcode == MP_BC_LOAD_NAME
or opcode == MP_BC_LOAD_GLOBAL
or opcode == MP_BC_LOAD_ATTR
or opcode == MP_BC_STORE_ATTR
)
)
ip += 1
if f == MP_OPCODE_VAR_UINT:
while bytecode[ip] & 0x80 != 0:
ip += 1
ip += 1
elif f == MP_OPCODE_OFFSET:
ip += 2
ip += extra_byte
return f, ip - ip_start
def decode_uint(bytecode, ip):
unum = 0
while True:
val = bytecode[ip]
ip += 1
unum = (unum << 7) | (val & 0x7F)
if not (val & 0x80):
break
return ip, unum
def extract_prelude(bytecode):
ip = 0
ip, n_state = decode_uint(bytecode, ip)
ip, n_exc_stack = decode_uint(bytecode, ip)
scope_flags = bytecode[ip]
ip += 1
n_pos_args = bytecode[ip]
ip += 1
n_kwonly_args = bytecode[ip]
ip += 1
n_def_pos_args = bytecode[ip]
ip += 1
ip2, code_info_size = decode_uint(bytecode, ip)
ip += code_info_size
while bytecode[ip] != 0xFF:
ip += 1
ip += 1
# ip now points to first opcode
# ip2 points to simple_name qstr
return (
ip,
ip2,
(
n_state,
n_exc_stack,
scope_flags,
n_pos_args,
n_kwonly_args,
n_def_pos_args,
code_info_size,
),
)
class RawCode:
# a set of all escaped names, to make sure they are unique
escaped_names = set()
def __init__(self, bytecode, qstrs, objs, raw_codes):
# set core variables
self.bytecode = bytecode
self.qstrs = qstrs
self.objs = objs
self.raw_codes = raw_codes
# extract prelude
self.ip, self.ip2, self.prelude = extract_prelude(self.bytecode)
self.simple_name = self._unpack_qstr(self.ip2)
self.source_file = self._unpack_qstr(self.ip2 + 2)
def _unpack_qstr(self, ip):
qst = self.bytecode[ip] | self.bytecode[ip + 1] << 8
return global_qstrs[qst]
def dump(self):
# dump children first
for rc in self.raw_codes:
rc.freeze("")
# TODO
def freeze(self, parent_name):
self.escaped_name = parent_name + self.simple_name.qstr_esc
# make sure the escaped name is unique
i = 2
while self.escaped_name in RawCode.escaped_names:
self.escaped_name = parent_name + self.simple_name.qstr_esc + str(i)
i += 1
RawCode.escaped_names.add(self.escaped_name)
sizes = {
"bytecode": 0,
"strings": 0,
"raw_code_overhead": 0,
"const_table_overhead": 0,
"string_overhead": 0,
"number_overhead": 0,
}
# emit children first
for rc in self.raw_codes:
subsize = rc.freeze(self.escaped_name + "_")
for k in sizes:
sizes[k] += subsize[k]
# generate bytecode data
print()
print(
"// frozen bytecode for file %s, scope %s%s"
% (self.source_file.str, parent_name, self.simple_name.str)
)
print("// bytecode size", len(self.bytecode))
print("STATIC ", end="")
if not config.MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE:
print("const ", end="")
print("byte bytecode_data_%s[%u] = {" % (self.escaped_name, len(self.bytecode)))
sizes["bytecode"] += len(self.bytecode)
print(" ", end="")
for i in range(self.ip2):
print(" 0x%02x," % self.bytecode[i], end="")
print()
print(" // simple name")
print(" ", self.simple_name.qstr_id, "& 0xff,", self.simple_name.qstr_id, ">> 8,")
print(" // source file")
print(" ", self.source_file.qstr_id, "& 0xff,", self.source_file.qstr_id, ">> 8,")
print(" // code info")
print(" ", end="")
for i in range(self.ip2 + 4, self.ip):
print(" 0x%02x," % self.bytecode[i], end="")
print()
print(" // bytecode")
ip = self.ip
while ip < len(self.bytecode):
f, sz = mp_opcode_format(self.bytecode, ip)
opcode = self.bytecode[ip]
if opcode in opcode_names:
opcode = opcode_names[opcode]
else:
opcode = "0x%02x" % opcode
if f == 1:
qst = self._unpack_qstr(ip + 1).qstr_id
extra = "" if sz == 3 else " 0x%02x," % self.bytecode[ip + 3]
print(" {}, {} & 0xff, {} >> 8,{}".format(opcode, qst, qst, extra))
else:
print(
" {},{}".format(
opcode, "".join(" 0x%02x," % self.bytecode[ip + i] for i in range(1, sz))
)
)
ip += sz
print("};")
# generate constant objects
for i, obj in enumerate(self.objs):
obj_name = "const_obj_%s_%u" % (self.escaped_name, i)
if obj is Ellipsis:
print("#define %s mp_const_ellipsis_obj" % obj_name)
elif is_str_type(obj) or is_bytes_type(obj):
if is_str_type(obj):
obj = bytes_cons(obj, "utf8")
obj_type = "mp_type_str"
else:
obj_type = "mp_type_bytes"
print(
'STATIC const mp_obj_str_t %s = {{&%s}, %u, %u, (const byte*)"%s"}; // %s'
% (
obj_name,
obj_type,
qstrutil.compute_hash(obj, config.MICROPY_QSTR_BYTES_IN_HASH),
len(obj),
"".join(("\\x%02x" % b) for b in obj),
obj,
)
)
sizes["strings"] += len(obj)
sizes["string_overhead"] += 16
elif is_int_type(obj):
if config.MICROPY_LONGINT_IMPL == config.MICROPY_LONGINT_IMPL_NONE:
# TODO check if we can actually fit this long-int into a small-int
raise FreezeError(self, "target does not support long int")
elif config.MICROPY_LONGINT_IMPL == config.MICROPY_LONGINT_IMPL_LONGLONG:
# TODO
raise FreezeError(self, "freezing int to long-long is not implemented")
elif config.MICROPY_LONGINT_IMPL == config.MICROPY_LONGINT_IMPL_MPZ:
neg = 0
if obj < 0:
obj = -obj
neg = 1
bits_per_dig = config.MPZ_DIG_SIZE
digs = []
z = obj
while z:
digs.append(z & ((1 << bits_per_dig) - 1))
z >>= bits_per_dig
ndigs = len(digs)
digs = ",".join(("%#x" % d) for d in digs)
print(
"STATIC const mp_obj_int_t %s = {{&mp_type_int}, "
"{.neg=%u, .fixed_dig=1, .alloc=%u, .len=%u, .dig=(uint%u_t[]){%s}}};"
% (obj_name, neg, ndigs, ndigs, bits_per_dig, digs)
)
sizes["number_overhead"] += 16
elif type(obj) is float:
print(
"#if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_A || MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_B"
)
print(
"STATIC const mp_obj_float_t %s = {{&mp_type_float}, %.16g};" % (obj_name, obj)
)
print("#endif")
sizes["number_overhead"] += 8
elif type(obj) is complex:
print(
"STATIC const mp_obj_complex_t %s = {{&mp_type_complex}, %.16g, %.16g};"
% (obj_name, obj.real, obj.imag)
)
sizes["number_overhead"] += 12
else:
raise FreezeError(self, "freezing of object %r is not implemented" % (obj,))
# generate constant table, if it has any entries
const_table_len = len(self.qstrs) + len(self.objs) + len(self.raw_codes)
if const_table_len:
print(
"STATIC const mp_rom_obj_t const_table_data_%s[%u] = {"
% (self.escaped_name, const_table_len)
)
for qst in self.qstrs:
sizes["const_table_overhead"] += 4
print(" MP_ROM_QSTR(%s)," % global_qstrs[qst].qstr_id)
for i in range(len(self.objs)):
sizes["const_table_overhead"] += 4
if type(self.objs[i]) is float:
print(
"#if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_A || MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_B"
)
print(" MP_ROM_PTR(&const_obj_%s_%u)," % (self.escaped_name, i))
print("#elif MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_C")
n = struct.unpack("<I", struct.pack("<f", self.objs[i]))[0]
n = ((n & ~0x3) | 2) + 0x80800000
print(" (mp_rom_obj_t)(0x%08x)," % (n,))
print("#elif MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_D")
n = struct.unpack("<Q", struct.pack("<d", self.objs[i]))[0]
n += 0x8004000000000000
print(" (mp_rom_obj_t)(0x%016x)," % (n,))
print("#endif")
else:
print(" MP_ROM_PTR(&const_obj_%s_%u)," % (self.escaped_name, i))
for rc in self.raw_codes:
sizes["const_table_overhead"] += 4
print(" MP_ROM_PTR(&raw_code_%s)," % rc.escaped_name)
print("};")
# generate module
if self.simple_name.str != "<module>":
print("STATIC ", end="")
print("const mp_raw_code_t raw_code_%s = {" % self.escaped_name)
print(" .kind = MP_CODE_BYTECODE,")
print(" .scope_flags = 0x%02x," % self.prelude[2])
print(" .n_pos_args = %u," % self.prelude[3])
print(" .data.u_byte = {")
print(" .bytecode = bytecode_data_%s," % self.escaped_name)
if const_table_len:
print(" .const_table = (mp_uint_t*)const_table_data_%s," % self.escaped_name)
else:
print(" .const_table = NULL,")
print(" #if MICROPY_PERSISTENT_CODE_SAVE")
print(" .bc_len = %u," % len(self.bytecode))
print(" .n_obj = %u," % len(self.objs))
print(" .n_raw_code = %u," % len(self.raw_codes))
print(" #endif")
print(" },")
print("};")
sizes["raw_code_overhead"] += 16
return sizes
def read_uint(f):
i = 0
while True:
b = bytes_cons(f.read(1))[0]
i = (i << 7) | (b & 0x7F)
if b & 0x80 == 0:
break
return i
global_qstrs = []
qstr_type = namedtuple("qstr", ("str", "qstr_esc", "qstr_id"))
def read_qstr(f):
ln = read_uint(f)
data = str_cons(f.read(ln), "utf8")
qstr_esc = qstrutil.qstr_escape(data)
global_qstrs.append(qstr_type(data, qstr_esc, "MP_QSTR_" + qstr_esc))
return len(global_qstrs) - 1
def read_obj(f):
obj_type = f.read(1)
if obj_type == b"e":
return Ellipsis
else:
buf = f.read(read_uint(f))
if obj_type == b"s":
return str_cons(buf, "utf8")
elif obj_type == b"b":
return bytes_cons(buf)
elif obj_type == b"i":
return int(str_cons(buf, "ascii"), 10)
elif obj_type == b"f":
return float(str_cons(buf, "ascii"))
elif obj_type == b"c":
return complex(str_cons(buf, "ascii"))
else:
assert 0
def read_qstr_and_pack(f, bytecode, ip):
qst = read_qstr(f)
bytecode[ip] = qst & 0xFF
bytecode[ip + 1] = qst >> 8
def read_bytecode_qstrs(file, bytecode, ip):
while ip < len(bytecode):
f, sz = mp_opcode_format(bytecode, ip)
if f == 1:
read_qstr_and_pack(file, bytecode, ip + 1)
ip += sz
def read_raw_code(f):
bc_len = read_uint(f)
bytecode = bytearray(f.read(bc_len))
ip, ip2, prelude = extract_prelude(bytecode)
read_qstr_and_pack(f, bytecode, ip2) # simple_name
read_qstr_and_pack(f, bytecode, ip2 + 2) # source_file
read_bytecode_qstrs(f, bytecode, ip)
n_obj = read_uint(f)
n_raw_code = read_uint(f)
qstrs = [read_qstr(f) for _ in range(prelude[3] + prelude[4])]
objs = [read_obj(f) for _ in range(n_obj)]
raw_codes = [read_raw_code(f) for _ in range(n_raw_code)]
return RawCode(bytecode, qstrs, objs, raw_codes)
def read_mpy(filename):
with open(filename, "rb") as f:
header = bytes_cons(f.read(4))
if header[0] != ord("M"):
raise Exception("not a valid .mpy file")
if header[1] != config.MPY_VERSION:
raise Exception("incompatible .mpy version")
feature_flags = header[2]
config.MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE = (feature_flags & 1) != 0
config.MICROPY_PY_BUILTINS_STR_UNICODE = (feature_flags & 2) != 0
config.mp_small_int_bits = header[3]
return read_raw_code(f)
def dump_mpy(raw_codes):
for rc in raw_codes:
rc.dump()
def freeze_mpy(base_qstrs, raw_codes):
# add to qstrs
new = {}
for q in global_qstrs:
# don't add duplicates
if q.qstr_esc in base_qstrs or q.qstr_esc in new:
continue
new[q.qstr_esc] = (len(new), q.qstr_esc, q.str)
new = sorted(new.values(), key=lambda x: x[0])
print('#include "py/bc0.h"')
print('#include "py/mpconfig.h"')
print('#include "py/objint.h"')
print('#include "py/objstr.h"')
print('#include "py/emitglue.h"')
print()
print(
"#if MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE != %u"
% config.MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE
)
print('#error "incompatible MICROPY_OPT_CACHE_MAP_LOOKUP_IN_BYTECODE"')
print("#endif")
print()
print("#if MICROPY_LONGINT_IMPL != %u" % config.MICROPY_LONGINT_IMPL)
print('#error "incompatible MICROPY_LONGINT_IMPL"')
print("#endif")
print()
if config.MICROPY_LONGINT_IMPL == config.MICROPY_LONGINT_IMPL_MPZ:
print("#if MPZ_DIG_SIZE != %u" % config.MPZ_DIG_SIZE)
print('#error "incompatible MPZ_DIG_SIZE"')
print("#endif")
print()
print("#if MICROPY_PY_BUILTINS_FLOAT")
print("typedef struct _mp_obj_float_t {")
print(" mp_obj_base_t base;")
print(" mp_float_t value;")
print("} mp_obj_float_t;")
print("#endif")
print()
print("#if MICROPY_PY_BUILTINS_COMPLEX")
print("typedef struct _mp_obj_complex_t {")
print(" mp_obj_base_t base;")
print(" mp_float_t real;")
print(" mp_float_t imag;")
print("} mp_obj_complex_t;")
print("#endif")
print()
print("enum {")
for i in range(len(new)):
if i == 0:
print(" MP_QSTR_%s = MP_QSTRnumber_of," % new[i][1])
else:
print(" MP_QSTR_%s," % new[i][1])
print("};")
print()
print("const qstr_attr_t mp_qstr_frozen_const_attr[] = {")
qstr_size = {"metadata": 0, "data": 0}
for _, _, qstr in new:
qbytes = qstrutil.bytes_cons(qstr, "utf8")
print(" {%d, %d}," % (
qstrutil.compute_hash(qbytes, config.MICROPY_QSTR_BYTES_IN_HASH),
len(qbytes)
))
qstr_size["metadata"] += (
config.MICROPY_QSTR_BYTES_IN_LEN + config.MICROPY_QSTR_BYTES_IN_HASH
)
qstr_size["data"] += len(qbytes)
print("};")
# As in qstr.c, set so that the first dynamically allocated pool is twice this size; must be <= the len
qstr_pool_alloc = min(len(new), 10)
print()
print("extern const qstr_pool_t mp_qstr_const_pool;")
print("const qstr_pool_t mp_qstr_frozen_const_pool = {")
print(" (qstr_pool_t*)&mp_qstr_const_pool, // previous pool")
print(" MP_QSTRnumber_of, // previous pool size")
print(" %u, // allocated entries" % qstr_pool_alloc)
print(" %u, // used entries" % len(new))
print(" (qstr_attr_t *)mp_qstr_frozen_const_attr,")
print(" {")
for _, _, qstr in new:
print(" \"%s\"," % qstrutil.escape_bytes(qstr))
print(" },")
print("};")
sizes = {}
for rc in raw_codes:
sizes[rc.source_file.str] = rc.freeze(rc.source_file.str.replace("/", "_")[:-3] + "_")
print()
print("const char mp_frozen_mpy_names[] = {")
qstr_size["filenames"] = 1
for rc in raw_codes:
module_name = rc.source_file.str
print('"%s\\0"' % module_name)
qstr_size["filenames"] += len(module_name) + 1
print('"\\0"};')
print("const mp_raw_code_t *const mp_frozen_mpy_content[] = {")
for rc in raw_codes:
print(" &raw_code_%s," % rc.escaped_name)
size = sizes[rc.source_file.str]
print(" // Total size:", sum(size.values()))
for k in size:
print(" // {} {}".format(k, size[k]))
print("};")
print()
print(
"// Total size:", sum([sum(x.values()) for x in sizes.values()]) + sum(qstr_size.values())
)
for k in size:
total = sum([x[k] for x in sizes.values()])
print("// {} {}".format(k, total))
for k in qstr_size:
print("// qstr {} {}".format(k, qstr_size[k]))
def main():
import argparse
cmd_parser = argparse.ArgumentParser(description="A tool to work with MicroPython .mpy files.")
cmd_parser.add_argument("-d", "--dump", action="store_true", help="dump contents of files")
cmd_parser.add_argument("-f", "--freeze", action="store_true", help="freeze files")
cmd_parser.add_argument("-q", "--qstr-header", help="qstr header file to freeze against")
cmd_parser.add_argument(
"-mlongint-impl",
choices=["none", "longlong", "mpz"],
default="mpz",
help="long-int implementation used by target (default mpz)",
)
cmd_parser.add_argument(
"-mmpz-dig-size",
metavar="N",
type=int,
default=16,
help="mpz digit size used by target (default 16)",
)
cmd_parser.add_argument("files", nargs="+", help="input .mpy files")
args = cmd_parser.parse_args()
# set config values relevant to target machine
config.MICROPY_LONGINT_IMPL = {
"none": config.MICROPY_LONGINT_IMPL_NONE,
"longlong": config.MICROPY_LONGINT_IMPL_LONGLONG,
"mpz": config.MICROPY_LONGINT_IMPL_MPZ,
}[args.mlongint_impl]
config.MPZ_DIG_SIZE = args.mmpz_dig_size
# set config values for qstrs, and get the existing base set of qstrs
if args.qstr_header:
qcfgs, base_qstrs, _ = qstrutil.parse_input_headers([args.qstr_header])
config.MICROPY_QSTR_BYTES_IN_LEN = int(qcfgs["BYTES_IN_LEN"])
config.MICROPY_QSTR_BYTES_IN_HASH = int(qcfgs["BYTES_IN_HASH"])
else:
config.MICROPY_QSTR_BYTES_IN_LEN = 1
config.MICROPY_QSTR_BYTES_IN_HASH = 1
base_qstrs = {}
raw_codes = [read_mpy(file) for file in args.files]
if args.dump:
dump_mpy(raw_codes)
elif args.freeze:
try:
freeze_mpy(base_qstrs, raw_codes)
except FreezeError as er:
print(er, file=sys.stderr)
sys.exit(1)
if __name__ == "__main__":
main()