예제 #1
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def read_ir(args=sys.argv):
    parser = argparse.ArgumentParser(
        description='Read script and tokenize to IR.')
    parser.add_argument("script", help="script in hex or uncompiled text")

    args = parser.parse_args(args=args[1:])

    sexp = reader.read_ir(args.script)
    blob = stream_to_bin(lambda f: sexp_to_stream(sexp, f))
    print(blob.hex())
예제 #2
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def iter_ir_format(ir_sexp):
    if ir_listp(ir_sexp):
        yield from iter_sexp_format(ir_sexp)
        return

    type = ir_type(ir_sexp)

    if type == Type.CODE:
        bio = io.BytesIO()
        sexp_to_stream(ir_val(ir_sexp), bio)
        code = bio.getvalue().hex()
        yield "CODE[%s]" % code
        return

    if type == Type.NULL:
        yield "()"
        return

    atom = ir_as_atom(ir_sexp)

    if type == Type.INT:
        yield "%d" % casts.int_from_bytes(atom)
    elif type == Type.NODE:
        yield "NODE[%d]" % casts.int_from_bytes(atom)
    elif type == Type.HEX:
        yield "0x%s" % atom.hex()
    elif type == Type.QUOTES:
        yield '"%s"' % atom.decode("utf8")
    elif type == Type.DOUBLE_QUOTE:
        yield '"%s"' % atom.decode("utf8")
    elif type == Type.SINGLE_QUOTE:
        yield "'%s'" % atom.decode("utf8")
    elif type in (Type.SYMBOL, Type.OPERATOR):
        try:
            yield atom.decode("utf8")
        except UnicodeDecodeError:
            yield "(indecipherable symbol: %s)" % atom.hex()
    else:
        raise SyntaxError("bad ir format: %s" % ir_sexp)
예제 #3
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 def stream(self, f):
     sexp_to_stream(self, f)
예제 #4
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def launch_tool(args, tool_name, default_stage=0):
    parser = argparse.ArgumentParser(description='Execute a clvm script.')
    parser.add_argument("-s",
                        "--stage",
                        type=stage_import,
                        help="stage number to include",
                        default=stage_import(default_stage))
    parser.add_argument(
        "-v",
        "--verbose",
        action="store_true",
        help="Display resolve of all reductions, for debugging")
    parser.add_argument("-c", "--cost", action="store_true", help="Show cost")
    parser.add_argument("-m", "--max-cost", type=int, help="Maximum cost")
    parser.add_argument("-d",
                        "--dump",
                        action="store_true",
                        help="dump hex version of final output")
    parser.add_argument("-y",
                        "--symbol-table",
                        type=pathlib.Path,
                        help=".SYM file generated by compiler")
    parser.add_argument(
        "-i",
        "--include",
        type=pathlib.Path,
        help="add a search path for included files",
        action="append",
        default=[],
    )
    parser.add_argument("path_or_code",
                        type=path_or_code,
                        help="path to clvm script, or literal script")
    parser.add_argument("args",
                        type=reader.read_ir,
                        help="arguments",
                        nargs="?",
                        default=reader.read_ir("()"))

    args = parser.parse_args(args=args[1:])

    if hasattr(args.stage, "run_program_for_search_paths"):
        run_program = args.stage.run_program_for_search_paths(args.include)
    else:
        run_program = args.stage.run_program

    src_text = args.path_or_code
    src_sexp = reader.read_ir(src_text)
    assembled_sexp = binutils.assemble_from_ir(src_sexp)

    pre_eval_f = None
    symbol_table = None

    log_entries = []

    if args.symbol_table:
        with open(args.symbol_table) as f:
            symbol_table = json.load(f)
        pre_eval_f = make_trace_pre_eval(log_entries, symbol_table)
    elif args.verbose:
        pre_eval_f = make_trace_pre_eval(log_entries)

    run_script = getattr(args.stage, tool_name)

    cost = 0
    try:
        output = "(didn't finish)"
        env = binutils.assemble_from_ir(args.args)
        input_sexp = to_sexp_f((assembled_sexp, env))
        cost, result = run_program(run_script,
                                   input_sexp,
                                   max_cost=args.max_cost,
                                   pre_eval_f=pre_eval_f)
        if args.cost:
            print("cost = %d" % cost)
        if args.dump:
            blob = as_bin(lambda f: sexp_to_stream(result, f))
            output = blob.hex()
        else:
            output = binutils.disassemble(result)
    except EvalError as ex:
        output = "FAIL: %s %s" % (ex, binutils.disassemble(ex._sexp))
        result = ex._sexp
        return -1
    except Exception as ex:
        result = src_sexp
        output = str(ex)
        raise
    finally:
        print(output)
        if args.verbose or symbol_table:
            print()
            trace_to_text(log_entries, binutils.disassemble, symbol_table)
예제 #5
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 def as_bin(self):
     f = io.BytesIO()
     sexp_to_stream(self, f)
     return f.getvalue()
예제 #6
0
def launch_tool(args, tool_name, default_stage=0):
    sys.setrecursionlimit(20000)
    parser = argparse.ArgumentParser(description='Execute a clvm script.')
    parser.add_argument(
        "--strict",
        action="store_true",
        help="Unknown opcodes are always fatal errors in strict mode")
    parser.add_argument(
        "-x",
        "--hex",
        action="store_true",
        help="Read program and environment as hexadecimal bytecode")
    parser.add_argument("-s",
                        "--stage",
                        type=stage_import,
                        help="stage number to include",
                        default=stage_import(default_stage))
    parser.add_argument(
        "-v",
        "--verbose",
        action="store_true",
        help="Display resolve of all reductions, for debugging")
    parser.add_argument(
        "-t",
        "--table",
        action="store_true",
        help="Print diagnostic table of reductions, for debugging")
    parser.add_argument("-c", "--cost", action="store_true", help="Show cost")
    parser.add_argument("--time",
                        action="store_true",
                        help="Print execution time")
    parser.add_argument("-m",
                        "--max-cost",
                        type=int,
                        default=11000000000,
                        help="Maximum cost")
    parser.add_argument("-d",
                        "--dump",
                        action="store_true",
                        help="dump hex version of final output")
    parser.add_argument("--quiet",
                        action="store_true",
                        help="Suppress printing the program result")
    parser.add_argument("-y",
                        "--symbol-table",
                        type=pathlib.Path,
                        help=".SYM file generated by compiler")
    parser.add_argument("-n",
                        "--no-keywords",
                        action="store_true",
                        help="Output result as data, not as a program")
    parser.add_argument("--backend",
                        type=str,
                        help="force use of 'rust' or 'python' backend")
    parser.add_argument(
        "-i",
        "--include",
        type=pathlib.Path,
        help="add a search path for included files",
        action="append",
        default=[],
    )
    parser.add_argument("path_or_code",
                        type=path_or_code,
                        help="filepath to clvm script, or a literal script")

    parser.add_argument("env",
                        nargs="?",
                        type=path_or_code,
                        help="clvm script environment, as clvm src, or hex")

    args = parser.parse_args(args=args[1:])

    keywords = {} if args.no_keywords else KEYWORD_FROM_ATOM

    if hasattr(args.stage, "run_program_for_search_paths"):
        run_program = args.stage.run_program_for_search_paths(args.include)
    else:
        run_program = args.stage.run_program

    input_serialized = None
    input_sexp = None

    time_start = time.perf_counter()
    if args.hex:
        assembled_serialized = bytes.fromhex(args.path_or_code)
        if not args.env:
            args.env = "80"
        env_serialized = bytes.fromhex(args.env)
        time_read_hex = time.perf_counter()

        input_serialized = b"\xff" + assembled_serialized + env_serialized
    else:

        src_text = args.path_or_code
        try:
            src_sexp = reader.read_ir(src_text)
        except SyntaxError as ex:
            print("FAIL: %s" % (ex))
            return -1
        assembled_sexp = binutils.assemble_from_ir(src_sexp)
        if not args.env:
            args.env = "()"
        env_ir = reader.read_ir(args.env)
        env = binutils.assemble_from_ir(env_ir)
        time_assemble = time.perf_counter()

        input_sexp = to_sexp_f((assembled_sexp, env))

    pre_eval_f = None
    symbol_table = None

    log_entries = []

    if args.symbol_table:
        with open(args.symbol_table) as f:
            symbol_table = json.load(f)
        pre_eval_f = make_trace_pre_eval(log_entries, symbol_table)
    elif args.verbose or args.table:
        pre_eval_f = make_trace_pre_eval(log_entries)

    run_script = getattr(args.stage, tool_name)

    cost = 0
    cost_offset = calculate_cost_offset(run_program, run_script)
    try:
        output = "(didn't finish)"

        use_rust = (
            (tool_name != "run") and not pre_eval_f
            and (args.backend == "rust" or
                 (deserialize_and_run_program2 and args.backend != "python")))
        max_cost = max(
            0, args.max_cost - cost_offset if args.max_cost != 0 else 0)
        if use_rust:
            if input_serialized is None:
                input_serialized = input_sexp.as_bin()

            run_script = run_script.as_bin()
            time_parse_input = time.perf_counter()

            # build the opcode look-up table
            # this should eventually be subsumed by "Dialect" api

            native_opcode_names_by_opcode = dict(
                ("op_%s" % OP_REWRITE.get(k, k), op)
                for op, k in KEYWORD_FROM_ATOM.items() if k not in "qa.")
            cost, result = deserialize_and_run_program2(
                run_script,
                input_serialized,
                KEYWORD_TO_ATOM["q"][0],
                KEYWORD_TO_ATOM["a"][0],
                native_opcode_names_by_opcode,
                max_cost,
                STRICT_MODE if args.strict else 0,
            )
            time_done = time.perf_counter()
            result = SExp.to(result)
        else:
            if input_sexp is None:
                input_sexp = sexp_from_stream(io.BytesIO(input_serialized),
                                              to_sexp_f)

            time_parse_input = time.perf_counter()
            cost, result = run_program(run_script,
                                       input_sexp,
                                       max_cost=max_cost,
                                       pre_eval_f=pre_eval_f,
                                       strict=args.strict)
            time_done = time.perf_counter()
        if args.cost:
            cost += cost_offset if cost > 0 else 0
            print("cost = %d" % cost)
        if args.time:
            if args.hex:
                print('read_hex: %f' % (time_read_hex - time_start))
            else:
                print('assemble_from_ir: %f' % (time_assemble - time_start))
                print('to_sexp_f: %f' % (time_parse_input - time_assemble))
            print('run_program: %f' % (time_done - time_parse_input))
        if args.dump:
            blob = as_bin(lambda f: sexp_to_stream(result, f))
            output = blob.hex()
        elif args.quiet:
            output = ''
        else:
            output = binutils.disassemble(result, keywords)
    except EvalError as ex:
        result = to_sexp_f(ex._sexp)
        output = "FAIL: %s %s" % (ex, binutils.disassemble(result, keywords))
        return -1
    except Exception as ex:
        output = str(ex)
        raise
    finally:
        print(output)
        if args.verbose or symbol_table:
            print()
            trace_to_text(log_entries, binutils.disassemble, symbol_table)
        if args.table:
            trace_to_table(log_entries, binutils.disassemble, symbol_table)