Function compare_exprs has a Cognitive Complexity of 34 (exceeds 5 allowed). Consider refactoring.

Open

def compare_exprs(expr1, expr2):
    """Compare 2 expressions for canonization
    @expr1: Expr
    @expr2: Expr
    0  => ==

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Function arg2html has a Cognitive Complexity of 34 (exceeds 5 allowed). Consider refactoring.

Open

    def arg2html(expr, index=None, loc_db=None):
        wb = False
        if expr.is_id() or expr.is_int() or expr.is_loc():
            return color_expr_html(expr, loc_db)
        if isinstance(expr, ExprOp) and expr.op in expr2shift_dct:

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Function vm_load_pe_and_dependencies has a Cognitive Complexity of 34 (exceeds 5 allowed). Consider refactoring.

Open

def vm_load_pe_and_dependencies(vm, fname, name2module, runtime_lib,
                                lib_path_base, **kwargs):
    """Load a binary and all its dependencies. Returns a dictionary containing
    the association between binaries names and it's pe object

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Function value has a Cognitive Complexity of 34 (exceeds 5 allowed). Consider refactoring.

Open

    def value(self, mode):
        todo = [(0, 0, [(x, self.fields_order[x]) for x in self.to_decode[::-1]])]

        result = []
        done = []

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LocationDB has 38 functions (exceeds 20 allowed). Consider refactoring.

Open

class LocationDB(object):
    """
    LocationDB is a "database" of information associated to location.

    An entry in a LocationDB is uniquely identified with a LocKey.

moduint has 38 functions (exceeds 20 allowed). Consider refactoring.

Open

class moduint(object):

    def __init__(self, arg):
        self.arg = int(arg) % self.__class__.limit
        assert(self.arg >= 0 and self.arg < self.__class__.limit)

File regs.py has 373 lines of code (exceeds 250 allowed). Consider refactoring.

Open

from builtins import range
from miasm.expression.expression import ExprId
from miasm.core.cpu import reg_info

Function intra_block_flow_symb has a Cognitive Complexity of 33 (exceeds 5 allowed). Consider refactoring.

Open

def intra_block_flow_symb(lifter, _, flow_graph, irblock, in_nodes, out_nodes):
    symbols_init = lifter.arch.regs.regs_init.copy()
    sb = SymbolicExecutionEngine(lifter, symbols_init)
    sb.eval_updt_irblock(irblock)
    print('*' * 40)

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Function from_ExprOp has a Cognitive Complexity of 33 (exceeds 5 allowed). Consider refactoring.

Open

    def from_ExprOp(self, expr):
        args = list(map(self.from_expr, expr.args))
        res = args[0]

        if len(args) > 1:

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Function visit has a Cognitive Complexity of 33 (exceeds 5 allowed). Consider refactoring.

Open

    def visit(self, expr, *args, **kwargs):
        if expr.is_int() or expr.is_id() or expr.is_loc():
            pass
        elif expr.is_assign():
            ret = self.visit(expr.dst, *args, **kwargs)

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Function arg2str has a Cognitive Complexity of 33 (exceeds 5 allowed). Consider refactoring.

Open

    def arg2str(expr, index=None, loc_db=None):
        wb = False
        if expr.is_id() or expr.is_int():
            return str(expr)
        elif expr.is_loc():

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Function src_gen_phi_node_srcs has a Cognitive Complexity of 33 (exceeds 5 allowed). Consider refactoring.

Open

    def src_gen_phi_node_srcs(self, equivalence_graph):
        for node in equivalence_graph.nodes():
            if not node.is_op("Phi"):
                continue
            phi_successors = equivalence_graph.successors(node)

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Function ldz has a Cognitive Complexity of 32 (exceeds 5 allowed). Consider refactoring.

Open

def ldz(rn, rm):
    """LDZ - Count Leading Zeroes

       Note: this implementation is readable, yet slow. Each bit are tested
       individually, and the results are propagated to other bits.

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Function get_ir has a Cognitive Complexity of 32 (exceeds 5 allowed). Consider refactoring.

Open

    def get_ir(self, instr):
        args = instr.args[:]
        if instr.name[0:5] in [ 'ADDIS', 'ORIS', 'XORIS', 'ANDIS' ]:
            args[2] = ExprInt(int(args[2]) << 16, 32)
        if instr.name[0:3] == 'ADD':

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Function modrm2expr has a Cognitive Complexity of 32 (exceeds 5 allowed). Consider refactoring.

Open

def modrm2expr(modrm, parent, w8, sx=0, xmm=0, mm=0, bnd=0):
    o = []
    if not modrm[f_isad]:
        modrm_k = [key for key, value in viewitems(modrm) if value == 1]
        if len(modrm_k) != 1:

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Function gete has a Cognitive Complexity of 32 (exceeds 5 allowed). Consider refactoring.

Open

    def gete(self, raw, off):
        if not off:
            return None, off
        if self.parent_head._wsize == 32:
            mask_ptr = 0x80000000

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Function gete has a Cognitive Complexity of 32 (exceeds 5 allowed). Consider refactoring.

Open

    def gete(self, raw, off):
        if not off:
            return None, off

        ofend = off + \

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Function vm_load_pe has a Cognitive Complexity of 32 (exceeds 5 allowed). Consider refactoring.

Open

def vm_load_pe(vm, fdata, align_s=True, load_hdr=True, name="", winobjs=None, **kargs):
    """Load a PE in memory (@vm) from a data buffer @fdata
    @vm: VmMngr instance
    @fdata: data buffer to parse
    @align_s: (optional) If False, keep gaps between section

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Function _get_objc has a Cognitive Complexity of 32 (exceeds 5 allowed). Consider refactoring.

Open

    def _get_objc(self, type_id, resolved=None, to_fix=None, lvl=0):
        if resolved is None:
            resolved = {}
        if to_fix is None:
            to_fix = []

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File sem.py has 358 lines of code (exceeds 250 allowed). Consider refactoring.

Open

#-*- coding:utf-8 -*-

from miasm.expression.expression import *
from miasm.arch.msp430.regs import *
from miasm.arch.msp430.arch import mn_msp430