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| # Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 | |
| # For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt | |
| """Run sys.monitoring on a file of Python code.""" | |
| import functools | |
| import sys | |
| print(sys.version) | |
| the_program = sys.argv[1] | |
| code = compile(open(the_program).read(), filename=the_program, mode="exec") | |
| my_id = sys.monitoring.COVERAGE_ID | |
| sys.monitoring.use_tool_id(my_id, "run_sysmon.py") | |
| register = functools.partial(sys.monitoring.register_callback, my_id) | |
| events = sys.monitoring.events | |
| def bytes_to_lines(code): | |
| """Make a dict mapping byte code offsets to line numbers.""" | |
| b2l = {} | |
| cur_line = 0 | |
| for bstart, bend, lineno in code.co_lines(): | |
| for boffset in range(bstart, bend, 2): | |
| b2l[boffset] = lineno | |
| return b2l | |
| MY_EVENTS = ( | |
| events.PY_RETURN | |
| | events.PY_RESUME | |
| | events.LINE | |
| | events.BRANCH_RIGHT | |
| | events.BRANCH_LEFT | |
| | events.JUMP | |
| ) | |
| def show_off(label, code, instruction_offset): | |
| if code.co_filename == the_program: | |
| b2l = bytes_to_lines(code) | |
| print(f"{label}: {code.co_filename}@{instruction_offset} #{b2l[instruction_offset]}") | |
| def show_line(label, code, line_number): | |
| if code.co_filename == the_program: | |
| print(f"{label}: {code.co_filename} #{line_number}") | |
| def show_off_off(label, code, instruction_offset, destination_offset): | |
| if code.co_filename == the_program: | |
| b2l = bytes_to_lines(code) | |
| print( | |
| f"{label}: {code.co_filename}@{instruction_offset}->{destination_offset} " | |
| + f"#{b2l[instruction_offset]}->{b2l[destination_offset]}" | |
| ) | |
| def sysmon_py_start(code, instruction_offset): | |
| show_off("PY_START", code, instruction_offset) | |
| sys.monitoring.set_local_events( | |
| my_id, | |
| code, | |
| MY_EVENTS, | |
| ) | |
| def sysmon_py_resume(code, instruction_offset): | |
| show_off("PY_RESUME", code, instruction_offset) | |
| return sys.monitoring.DISABLE | |
| def sysmon_py_return(code, instruction_offset, retval): | |
| show_off("PY_RETURN", code, instruction_offset) | |
| return sys.monitoring.DISABLE | |
| def sysmon_line(code, line_number): | |
| show_line("LINE", code, line_number) | |
| return sys.monitoring.DISABLE | |
| def sysmon_branch(code, instruction_offset, destination_offset): | |
| show_off_off("BRANCH", code, instruction_offset, destination_offset) | |
| return sys.monitoring.DISABLE | |
| def sysmon_branch_right(code, instruction_offset, destination_offset): | |
| show_off_off("BRANCH_RIGHT", code, instruction_offset, destination_offset) | |
| return sys.monitoring.DISABLE | |
| def sysmon_branch_left(code, instruction_offset, destination_offset): | |
| show_off_off("BRANCH_LEFT", code, instruction_offset, destination_offset) | |
| return sys.monitoring.DISABLE | |
| def sysmon_jump(code, instruction_offset, destination_offset): | |
| show_off_off("JUMP", code, instruction_offset, destination_offset) | |
| return sys.monitoring.DISABLE | |
| if 1: | |
| sys.monitoring.set_events( | |
| my_id, | |
| events.PY_START | events.PY_UNWIND, | |
| ) | |
| register(events.PY_START, sysmon_py_start) | |
| register(events.PY_RESUME, sysmon_py_resume) | |
| register(events.PY_RETURN, sysmon_py_return) | |
| # register(events.PY_UNWIND, sysmon_py_unwind_arcs) | |
| register(events.LINE, sysmon_line) | |
| register(events.BRANCH, sysmon_branch) | |
| register(events.BRANCH_RIGHT, sysmon_branch_right) | |
| register(events.BRANCH_LEFT, sysmon_branch_left) | |
| register(events.JUMP, sysmon_jump) | |
| exec(code) |
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