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299 lines
11 KiB
299 lines
11 KiB
5 years ago
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# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import re
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import signal
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import time
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from hashlib import sha1
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from os.path import basename, dirname, isdir, join, realpath, splitext
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from tempfile import mkdtemp
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from twisted.internet import protocol # pylint: disable=import-error
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from twisted.internet import reactor # pylint: disable=import-error
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from twisted.internet import stdio # pylint: disable=import-error
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from twisted.internet import task # pylint: disable=import-error
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from platformio import app, fs, proc, telemetry, util
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from platformio.commands.debug import helpers, initcfgs
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from platformio.commands.debug.exception import DebugInvalidOptionsError
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from platformio.commands.debug.process import BaseProcess
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from platformio.commands.debug.server import DebugServer
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from platformio.compat import hashlib_encode_data, is_bytes
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from platformio.project.helpers import get_project_cache_dir
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LOG_FILE = None
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class GDBClient(BaseProcess): # pylint: disable=too-many-instance-attributes
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PIO_SRC_NAME = ".pioinit"
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INIT_COMPLETED_BANNER = "PlatformIO: Initialization completed"
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def __init__(self, project_dir, args, debug_options, env_options):
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self.project_dir = project_dir
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self.args = list(args)
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self.debug_options = debug_options
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self.env_options = env_options
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self._debug_server = DebugServer(debug_options, env_options)
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self._session_id = None
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if not isdir(get_project_cache_dir()):
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os.makedirs(get_project_cache_dir())
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self._gdbsrc_dir = mkdtemp(dir=get_project_cache_dir(), prefix=".piodebug-")
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self._target_is_run = False
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self._last_server_activity = 0
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self._auto_continue_timer = None
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self._errors_buffer = b""
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def spawn(self, gdb_path, prog_path):
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session_hash = gdb_path + prog_path
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self._session_id = sha1(hashlib_encode_data(session_hash)).hexdigest()
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self._kill_previous_session()
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patterns = {
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"PROJECT_DIR": self.project_dir,
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"PROG_PATH": prog_path,
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"PROG_DIR": dirname(prog_path),
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"PROG_NAME": basename(splitext(prog_path)[0]),
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"DEBUG_PORT": self.debug_options["port"],
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"UPLOAD_PROTOCOL": self.debug_options["upload_protocol"],
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"INIT_BREAK": self.debug_options["init_break"] or "",
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"LOAD_CMDS": "\n".join(self.debug_options["load_cmds"] or []),
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}
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self._debug_server.spawn(patterns)
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if not patterns["DEBUG_PORT"]:
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patterns["DEBUG_PORT"] = self._debug_server.get_debug_port()
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self.generate_pioinit(self._gdbsrc_dir, patterns)
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# start GDB client
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args = [
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"piogdb",
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"-q",
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"--directory",
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self._gdbsrc_dir,
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"--directory",
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self.project_dir,
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"-l",
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"10",
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]
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args.extend(self.args)
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if not gdb_path:
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raise DebugInvalidOptionsError("GDB client is not configured")
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gdb_data_dir = self._get_data_dir(gdb_path)
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if gdb_data_dir:
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args.extend(["--data-directory", gdb_data_dir])
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args.append(patterns["PROG_PATH"])
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return reactor.spawnProcess(
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self, gdb_path, args, path=self.project_dir, env=os.environ
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)
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@staticmethod
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def _get_data_dir(gdb_path):
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if "msp430" in gdb_path:
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return None
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gdb_data_dir = realpath(join(dirname(gdb_path), "..", "share", "gdb"))
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return gdb_data_dir if isdir(gdb_data_dir) else None
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def generate_pioinit(self, dst_dir, patterns):
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server_exe = (
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(self.debug_options.get("server") or {}).get("executable", "").lower()
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)
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if "jlink" in server_exe:
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cfg = initcfgs.GDB_JLINK_INIT_CONFIG
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elif "st-util" in server_exe:
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cfg = initcfgs.GDB_STUTIL_INIT_CONFIG
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elif "mspdebug" in server_exe:
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cfg = initcfgs.GDB_MSPDEBUG_INIT_CONFIG
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elif "qemu" in server_exe:
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cfg = initcfgs.GDB_QEMU_INIT_CONFIG
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elif self.debug_options["require_debug_port"]:
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cfg = initcfgs.GDB_BLACKMAGIC_INIT_CONFIG
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else:
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cfg = initcfgs.GDB_DEFAULT_INIT_CONFIG
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commands = cfg.split("\n")
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if self.debug_options["init_cmds"]:
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commands = self.debug_options["init_cmds"]
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commands.extend(self.debug_options["extra_cmds"])
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if not any("define pio_reset_run_target" in cmd for cmd in commands):
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commands = [
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"define pio_reset_run_target",
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" echo Warning! Undefined pio_reset_run_target command\\n",
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" monitor reset",
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"end",
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] + commands
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if not any("define pio_reset_halt_target" in cmd for cmd in commands):
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commands = [
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"define pio_reset_halt_target",
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" echo Warning! Undefined pio_reset_halt_target command\\n",
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" monitor reset halt",
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"end",
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] + commands
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if not any("define pio_restart_target" in cmd for cmd in commands):
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commands += [
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"define pio_restart_target",
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" pio_reset_halt_target",
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" $INIT_BREAK",
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" %s" % ("continue" if patterns["INIT_BREAK"] else "next"),
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"end",
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]
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banner = [
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"echo PlatformIO Unified Debugger -> http://bit.ly/pio-debug\\n",
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"echo PlatformIO: debug_tool = %s\\n" % self.debug_options["tool"],
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"echo PlatformIO: Initializing remote target...\\n",
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]
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footer = ["echo %s\\n" % self.INIT_COMPLETED_BANNER]
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commands = banner + commands + footer
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with open(join(dst_dir, self.PIO_SRC_NAME), "w") as fp:
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fp.write("\n".join(self.apply_patterns(commands, patterns)))
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def connectionMade(self):
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self._lock_session(self.transport.pid)
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p = protocol.Protocol()
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p.dataReceived = self.onStdInData
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stdio.StandardIO(p)
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def onStdInData(self, data):
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if LOG_FILE:
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with open(LOG_FILE, "ab") as fp:
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fp.write(data)
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self._last_server_activity = time.time()
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if b"-exec-run" in data:
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if self._target_is_run:
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token, _ = data.split(b"-", 1)
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self.outReceived(token + b"^running\n")
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return
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data = data.replace(b"-exec-run", b"-exec-continue")
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if b"-exec-continue" in data:
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self._target_is_run = True
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if b"-gdb-exit" in data or data.strip() in (b"q", b"quit"):
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# Allow terminating via SIGINT/CTRL+C
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signal.signal(signal.SIGINT, signal.default_int_handler)
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self.transport.write(b"pio_reset_run_target\n")
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self.transport.write(data)
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def processEnded(self, reason): # pylint: disable=unused-argument
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self._unlock_session()
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if self._gdbsrc_dir and isdir(self._gdbsrc_dir):
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fs.rmtree(self._gdbsrc_dir)
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if self._debug_server:
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self._debug_server.terminate()
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reactor.stop()
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def outReceived(self, data):
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if LOG_FILE:
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with open(LOG_FILE, "ab") as fp:
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fp.write(data)
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self._last_server_activity = time.time()
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super(GDBClient, self).outReceived(data)
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self._handle_error(data)
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# go to init break automatically
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if self.INIT_COMPLETED_BANNER.encode() in data:
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telemetry.send_event(
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"Debug", "Started", telemetry.encode_run_environment(self.env_options)
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)
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self._auto_continue_timer = task.LoopingCall(self._auto_exec_continue)
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self._auto_continue_timer.start(0.1)
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def errReceived(self, data):
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super(GDBClient, self).errReceived(data)
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self._handle_error(data)
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def console_log(self, msg):
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if helpers.is_gdbmi_mode():
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msg = helpers.escape_gdbmi_stream("~", msg)
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self.outReceived(msg if is_bytes(msg) else msg.encode())
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def _auto_exec_continue(self):
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auto_exec_delay = 0.5 # in seconds
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if self._last_server_activity > (time.time() - auto_exec_delay):
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return
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if self._auto_continue_timer:
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self._auto_continue_timer.stop()
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self._auto_continue_timer = None
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if not self.debug_options["init_break"] or self._target_is_run:
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return
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self.console_log(
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"PlatformIO: Resume the execution to `debug_init_break = %s`\n"
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% self.debug_options["init_break"]
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)
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self.console_log(
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"PlatformIO: More configuration options -> http://bit.ly/pio-debug\n"
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)
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self.transport.write(
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b"0-exec-continue\n" if helpers.is_gdbmi_mode() else b"continue\n"
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)
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self._target_is_run = True
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def _handle_error(self, data):
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self._errors_buffer += data
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if self.PIO_SRC_NAME.encode() not in data or b"Error in sourced" not in data:
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return
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last_erros = self._errors_buffer.decode()
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last_erros = " ".join(reversed(last_erros.split("\n")))
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last_erros = re.sub(r'((~|&)"|\\n\"|\\t)', " ", last_erros, flags=re.M)
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err = "%s -> %s" % (
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telemetry.encode_run_environment(self.env_options),
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last_erros,
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)
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telemetry.send_exception("DebugInitError: %s" % err)
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self.transport.loseConnection()
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def _kill_previous_session(self):
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assert self._session_id
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pid = None
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with app.ContentCache() as cc:
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pid = cc.get(self._session_id)
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cc.delete(self._session_id)
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if not pid:
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return
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if "windows" in util.get_systype():
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kill = ["Taskkill", "/PID", pid, "/F"]
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else:
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kill = ["kill", pid]
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try:
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proc.exec_command(kill)
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except: # pylint: disable=bare-except
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pass
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def _lock_session(self, pid):
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if not self._session_id:
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return
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with app.ContentCache() as cc:
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cc.set(self._session_id, str(pid), "1h")
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def _unlock_session(self):
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if not self._session_id:
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return
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with app.ContentCache() as cc:
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cc.delete(self._session_id)
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