Function get_instructions

Lib/dis.py:652–680

Iterator for the opcodes in methods, functions or code Generates a series of Instruction named tuples giving the details of each operations in the supplied code. If *first_line* is not None, it indicates the line number that should be reported for the first source line in the disas

(x, *, first_line=None, show_caches=None, adaptive=False)

        return argval, argrepr

def get_instructions(x, *, first_line=None, show_caches=None, adaptive=False):
    """Iterator for the opcodes in methods, functions or code

    Generates a series of Instruction named tuples giving the details of
    each operations in the supplied code.

    If *first_line* is not None, it indicates the line number that should
    be reported for the first source line in the disassembled code.
    Otherwise, the source line information (if any) is taken directly from
    the disassembled code object.
    """
    co = _get_code_object(x)
    linestarts = dict(findlinestarts(co))
    if first_line is not None:
        line_offset = first_line - co.co_firstlineno
    else:
        line_offset = 0

    original_code = co.co_code
    arg_resolver = ArgResolver(co_consts=co.co_consts,
                               names=co.co_names,
                               varname_from_oparg=co._varname_from_oparg,
                               labels_map=_make_labels_map(original_code))
    return _get_instructions_bytes(_get_code_array(co, adaptive),
                                   linestarts=linestarts,
                                   line_offset=line_offset,
                                   co_positions=co.co_positions(),
                                   original_code=original_code,
                                   arg_resolver=arg_resolver)

def _get_const_value(op, arg, co_consts):
    """Helper to get the value of the const in a hasconst op.