Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1 | //===-- ScriptInterpreterPython.cpp -----------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // In order to guarantee correct working with Python, Python.h *MUST* be |
| 11 | // the *FIRST* header file included: |
| 12 | |
| 13 | #include <Python.h> |
| 14 | |
| 15 | #include "lldb/Interpreter/ScriptInterpreterPython.h" |
| 16 | |
| 17 | |
| 18 | #include <sys/ioctl.h> |
| 19 | #include <termios.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <stdio.h> |
| 22 | |
| 23 | #include <string> |
| 24 | |
Greg Clayton | 5144f38 | 2010-10-07 17:14:24 +0000 | [diff] [blame] | 25 | #include "lldb/API/SBFrame.h" |
| 26 | #include "lldb/API/SBBreakpointLocation.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 27 | #include "lldb/Breakpoint/Breakpoint.h" |
| 28 | #include "lldb/Breakpoint/BreakpointLocation.h" |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 29 | #include "lldb/Breakpoint/StoppointCallbackContext.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 30 | #include "lldb/Core/Debugger.h" |
| 31 | #include "lldb/Core/FileSpec.h" |
| 32 | #include "lldb/Core/InputReader.h" |
| 33 | #include "lldb/Core/Stream.h" |
| 34 | #include "lldb/Core/StreamString.h" |
| 35 | #include "lldb/Core/Timer.h" |
| 36 | #include "lldb/Host/Host.h" |
| 37 | #include "lldb/Interpreter/CommandInterpreter.h" |
| 38 | #include "lldb/Interpreter/CommandReturnObject.h" |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 39 | #include "lldb/Core/Debugger.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 40 | #include "lldb/Target/Process.h" |
Greg Clayton | 5144f38 | 2010-10-07 17:14:24 +0000 | [diff] [blame] | 41 | #include "lldb/Target/Thread.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 42 | |
Greg Clayton | 121f331 | 2010-07-07 18:40:03 +0000 | [diff] [blame] | 43 | // This function is in the C++ output file generated by SWIG after it is |
| 44 | // run on all of the headers in "lldb/API/SB*.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 45 | extern "C" void init_lldb (void); |
| 46 | |
Greg Clayton | 5144f38 | 2010-10-07 17:14:24 +0000 | [diff] [blame] | 47 | extern "C" bool |
| 48 | LLDBSWIGPythonBreakpointCallbackFunction |
| 49 | ( |
| 50 | const char *python_function_name, |
| 51 | lldb::SBFrame& sb_frame, |
| 52 | lldb::SBBreakpointLocation& sb_bp_loc |
| 53 | ); |
| 54 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 55 | using namespace lldb; |
| 56 | using namespace lldb_private; |
| 57 | |
| 58 | const char embedded_interpreter_string[] = |
| 59 | "import readline\n\ |
| 60 | import code\n\ |
| 61 | import sys\n\ |
| 62 | import traceback\n\ |
| 63 | \n\ |
| 64 | class SimpleREPL(code.InteractiveConsole):\n\ |
| 65 | def __init__(self, prompt, dict):\n\ |
| 66 | code.InteractiveConsole.__init__(self,dict)\n\ |
| 67 | self.prompt = prompt\n\ |
| 68 | self.loop_exit = False\n\ |
| 69 | self.dict = dict\n\ |
| 70 | \n\ |
| 71 | def interact(self):\n\ |
| 72 | try:\n\ |
| 73 | sys.ps1\n\ |
| 74 | except AttributeError:\n\ |
| 75 | sys.ps1 = \">>> \"\n\ |
| 76 | try:\n\ |
| 77 | sys.ps2\n\ |
| 78 | except AttributeError:\n\ |
| 79 | sys.ps2 = \"... \"\n\ |
| 80 | \n\ |
| 81 | while not self.loop_exit:\n\ |
| 82 | try:\n\ |
| 83 | self.read_py_command()\n\ |
| 84 | except (SystemExit, EOFError):\n\ |
| 85 | # EOF while in Python just breaks out to top level.\n\ |
| 86 | self.write('\\n')\n\ |
| 87 | self.loop_exit = True\n\ |
| 88 | break\n\ |
| 89 | except KeyboardInterrupt:\n\ |
| 90 | self.write(\"\\nKeyboardInterrupt\\n\")\n\ |
| 91 | self.resetbuffer()\n\ |
| 92 | more = 0\n\ |
| 93 | except:\n\ |
| 94 | traceback.print_exc()\n\ |
| 95 | \n\ |
| 96 | def process_input (self, in_str):\n\ |
| 97 | # Canonicalize the format of the input string\n\ |
| 98 | temp_str = in_str\n\ |
| 99 | temp_str.strip(' \t')\n\ |
| 100 | words = temp_str.split()\n\ |
| 101 | temp_str = ('').join(words)\n\ |
| 102 | \n\ |
| 103 | # Check the input string to see if it was the quit\n\ |
| 104 | # command. If so, intercept it, so that it doesn't\n\ |
| 105 | # close stdin on us!\n\ |
Jason Molenda | a8a5e56 | 2010-06-09 21:56:00 +0000 | [diff] [blame] | 106 | if (temp_str.lower() == \"quit()\" or temp_str.lower() == \"exit()\"):\n\ |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 107 | self.loop_exit = True\n\ |
| 108 | in_str = \"raise SystemExit \"\n\ |
| 109 | return in_str\n\ |
| 110 | \n\ |
| 111 | def my_raw_input (self, prompt):\n\ |
| 112 | stream = sys.stdout\n\ |
| 113 | stream.write (prompt)\n\ |
| 114 | stream.flush ()\n\ |
| 115 | try:\n\ |
| 116 | line = sys.stdin.readline()\n\ |
| 117 | except KeyboardInterrupt:\n\ |
| 118 | line = \" \\n\"\n\ |
| 119 | except (SystemExit, EOFError):\n\ |
| 120 | line = \"quit()\\n\"\n\ |
| 121 | if not line:\n\ |
| 122 | raise EOFError\n\ |
| 123 | if line[-1] == '\\n':\n\ |
| 124 | line = line[:-1]\n\ |
| 125 | return line\n\ |
| 126 | \n\ |
| 127 | def read_py_command(self):\n\ |
| 128 | # Read off a complete Python command.\n\ |
| 129 | more = 0\n\ |
| 130 | while 1:\n\ |
| 131 | if more:\n\ |
| 132 | prompt = sys.ps2\n\ |
| 133 | else:\n\ |
| 134 | prompt = sys.ps1\n\ |
| 135 | line = self.my_raw_input(prompt)\n\ |
| 136 | # Can be None if sys.stdin was redefined\n\ |
| 137 | encoding = getattr(sys.stdin, \"encoding\", None)\n\ |
| 138 | if encoding and not isinstance(line, unicode):\n\ |
| 139 | line = line.decode(encoding)\n\ |
| 140 | line = self.process_input (line)\n\ |
| 141 | more = self.push(line)\n\ |
| 142 | if not more:\n\ |
| 143 | break\n\ |
| 144 | \n\ |
| 145 | def run_python_interpreter (dict):\n\ |
| 146 | # Pass in the dictionary, for continuity from one session to the next.\n\ |
| 147 | repl = SimpleREPL('>>> ', dict)\n\ |
| 148 | repl.interact()\n"; |
| 149 | |
| 150 | static int |
| 151 | _check_and_flush (FILE *stream) |
| 152 | { |
| 153 | int prev_fail = ferror (stream); |
| 154 | return fflush (stream) || prev_fail ? EOF : 0; |
| 155 | } |
| 156 | |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 157 | ScriptInterpreterPython::ScriptInterpreterPython (CommandInterpreter &interpreter) : |
Greg Clayton | 238c0a1 | 2010-09-18 01:14:36 +0000 | [diff] [blame] | 158 | ScriptInterpreter (interpreter, eScriptLanguagePython), |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 159 | m_compiled_module (NULL), |
| 160 | m_termios_valid (false) |
| 161 | { |
| 162 | |
| 163 | Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); |
Caroline Tice | 5867f6b | 2010-10-18 18:24:17 +0000 | [diff] [blame] | 164 | |
| 165 | // Save terminal settings if we can |
| 166 | int input_fd; |
| 167 | FILE *input_fh = m_interpreter.GetDebugger().GetInputFileHandle(); |
| 168 | if (input_fh != NULL) |
| 169 | input_fd = ::fileno (input_fh); |
| 170 | else |
| 171 | input_fd = STDIN_FILENO; |
| 172 | |
| 173 | m_termios_valid = ::tcgetattr (input_fd, &m_termios) == 0; |
| 174 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 175 | // Find the module that owns this code and use that path we get to |
| 176 | // set the PYTHONPATH appropriately. |
| 177 | |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 178 | FileSpec file_spec; |
| 179 | char python_dir_path[PATH_MAX]; |
| 180 | if (Host::GetLLDBPath (ePathTypePythonDir, file_spec)) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 181 | { |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 182 | std::string python_path; |
| 183 | const char *curr_python_path = ::getenv ("PYTHONPATH"); |
| 184 | if (curr_python_path) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 185 | { |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 186 | // We have a current value for PYTHONPATH, so lets append to it |
| 187 | python_path.append (curr_python_path); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 188 | } |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 189 | |
| 190 | if (file_spec.GetPath(python_dir_path, sizeof (python_dir_path))) |
| 191 | { |
| 192 | if (!python_path.empty()) |
| 193 | python_path.append (1, ':'); |
| 194 | python_path.append (python_dir_path); |
| 195 | } |
| 196 | |
| 197 | if (Host::GetLLDBPath (ePathTypeLLDBShlibDir, file_spec)) |
| 198 | { |
| 199 | if (file_spec.GetPath(python_dir_path, sizeof (python_dir_path))) |
| 200 | { |
| 201 | if (!python_path.empty()) |
| 202 | python_path.append (1, ':'); |
| 203 | python_path.append (python_dir_path); |
| 204 | } |
| 205 | } |
| 206 | const char *pathon_path_env_cstr = python_path.c_str(); |
| 207 | ::setenv ("PYTHONPATH", pathon_path_env_cstr, 1); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | Py_Initialize (); |
| 211 | |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 212 | PyObject *compiled_module = Py_CompileString (embedded_interpreter_string, |
| 213 | "embedded_interpreter.py", |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 214 | Py_file_input); |
| 215 | |
Eli Friedman | 3c90d99 | 2010-06-09 18:31:38 +0000 | [diff] [blame] | 216 | m_compiled_module = static_cast<void*>(compiled_module); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 217 | |
Greg Clayton | 121f331 | 2010-07-07 18:40:03 +0000 | [diff] [blame] | 218 | // This function is in the C++ output file generated by SWIG after it is |
| 219 | // run on all of the headers in "lldb/API/SB*.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 220 | init_lldb (); |
| 221 | |
| 222 | // Update the path python uses to search for modules to include the current directory. |
| 223 | |
| 224 | int success = PyRun_SimpleString ("import sys"); |
| 225 | success = PyRun_SimpleString ("sys.path.append ('.')"); |
| 226 | if (success == 0) |
| 227 | { |
| 228 | // Import the Script Bridge module. |
Johnny Chen | 98bea86 | 2010-09-10 16:19:10 +0000 | [diff] [blame] | 229 | success = PyRun_SimpleString ("import lldb"); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | const char *pty_slave_name = GetScriptInterpreterPtyName (); |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 233 | FILE *out_fh = interpreter.GetDebugger().GetOutputFileHandle(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 234 | |
Caroline Tice | 5867f6b | 2010-10-18 18:24:17 +0000 | [diff] [blame] | 235 | PyObject *pmod = PyImport_ExecCodeModule (const_cast<char*> ("embedded_interpreter"), |
| 236 | static_cast<PyObject*>(m_compiled_module)); |
| 237 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 238 | if (pmod != NULL) |
| 239 | { |
| 240 | PyRun_SimpleString ("ConsoleDict = locals()"); |
| 241 | PyRun_SimpleString ("from embedded_interpreter import run_python_interpreter"); |
| 242 | PyRun_SimpleString ("import sys"); |
| 243 | PyRun_SimpleString ("from termios import *"); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 244 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 245 | if (out_fh != NULL) |
| 246 | { |
| 247 | PyObject *new_sysout = PyFile_FromFile (out_fh, (char *) "", (char *) "w", |
| 248 | _check_and_flush); |
| 249 | PyObject *sysmod = PyImport_AddModule ("sys"); |
| 250 | PyObject *sysdict = PyModule_GetDict (sysmod); |
| 251 | |
| 252 | if ((new_sysout != NULL) |
| 253 | && (sysmod != NULL) |
| 254 | && (sysdict != NULL)) |
| 255 | { |
| 256 | PyDict_SetItemString (sysdict, "stdout", new_sysout); |
| 257 | } |
| 258 | |
| 259 | if (PyErr_Occurred()) |
| 260 | PyErr_Clear(); |
| 261 | } |
| 262 | |
Caroline Tice | 5867f6b | 2010-10-18 18:24:17 +0000 | [diff] [blame] | 263 | StreamString run_string; |
| 264 | run_string.Printf ("new_stdin = open('%s', 'r')", pty_slave_name); |
| 265 | PyRun_SimpleString (run_string.GetData()); |
| 266 | PyRun_SimpleString ("sys.stdin = new_stdin"); |
| 267 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 268 | PyRun_SimpleString ("new_mode = tcgetattr(new_stdin)"); |
| 269 | PyRun_SimpleString ("new_mode[3] = new_mode[3] | ECHO | ICANON"); |
| 270 | PyRun_SimpleString ("new_mode[6][VEOF] = 255"); |
| 271 | PyRun_SimpleString ("tcsetattr (new_stdin, TCSANOW, new_mode)"); |
Caroline Tice | 558be58 | 2010-06-30 16:22:25 +0000 | [diff] [blame] | 272 | |
| 273 | run_string.Clear(); |
Johnny Chen | 98bea86 | 2010-09-10 16:19:10 +0000 | [diff] [blame] | 274 | run_string.Printf ("lldb.debugger_unique_id = %d", interpreter.GetDebugger().GetID()); |
Caroline Tice | 558be58 | 2010-06-30 16:22:25 +0000 | [diff] [blame] | 275 | PyRun_SimpleString (run_string.GetData()); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | |
Caroline Tice | 5867f6b | 2010-10-18 18:24:17 +0000 | [diff] [blame] | 279 | // Restore terminal settings if they were validly saved |
| 280 | if (m_termios_valid) |
| 281 | { |
| 282 | ::tcsetattr (input_fd, TCSANOW, &m_termios); |
| 283 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 284 | } |
| 285 | |
| 286 | ScriptInterpreterPython::~ScriptInterpreterPython () |
| 287 | { |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 288 | Py_Finalize (); |
| 289 | } |
| 290 | |
Johnny Chen | 60dde64 | 2010-07-30 22:33:14 +0000 | [diff] [blame] | 291 | bool |
Greg Clayton | 238c0a1 | 2010-09-18 01:14:36 +0000 | [diff] [blame] | 292 | ScriptInterpreterPython::ExecuteOneLine (const char *command, CommandReturnObject *result) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 293 | { |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 294 | if (command) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 295 | { |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 296 | int success; |
| 297 | |
Caroline Tice | 5867f6b | 2010-10-18 18:24:17 +0000 | [diff] [blame] | 298 | |
| 299 | // Save the current input file handle state before executing the command. |
| 300 | int input_fd; |
| 301 | struct termios tmp_termios; |
| 302 | bool valid_termios = false; |
| 303 | FILE *input_fh = m_interpreter.GetDebugger().GetInputFileHandle(); |
| 304 | if (input_fh != NULL) |
| 305 | { |
| 306 | input_fd = ::fileno (input_fh); |
| 307 | valid_termios = ::tcgetattr (input_fd, &tmp_termios) == 0; |
| 308 | } |
| 309 | |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 310 | success = PyRun_SimpleString (command); |
Johnny Chen | 60dde64 | 2010-07-30 22:33:14 +0000 | [diff] [blame] | 311 | if (success == 0) |
| 312 | return true; |
| 313 | |
Caroline Tice | 5867f6b | 2010-10-18 18:24:17 +0000 | [diff] [blame] | 314 | // Restore the input file handle state after executing the command. |
| 315 | if (valid_termios) |
| 316 | ::tcsetattr (input_fd, TCSANOW, &tmp_termios); |
| 317 | |
Johnny Chen | 60dde64 | 2010-07-30 22:33:14 +0000 | [diff] [blame] | 318 | // The one-liner failed. Append the error message. |
| 319 | if (result) |
| 320 | result->AppendErrorWithFormat ("python failed attempting to evaluate '%s'\n", command); |
| 321 | return false; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 322 | } |
Johnny Chen | 60dde64 | 2010-07-30 22:33:14 +0000 | [diff] [blame] | 323 | |
| 324 | if (result) |
| 325 | result->AppendError ("empty command passed to python\n"); |
| 326 | return false; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | |
| 330 | |
| 331 | size_t |
| 332 | ScriptInterpreterPython::InputReaderCallback |
| 333 | ( |
| 334 | void *baton, |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 335 | InputReader &reader, |
Greg Clayton | 5144f38 | 2010-10-07 17:14:24 +0000 | [diff] [blame] | 336 | InputReaderAction notification, |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 337 | const char *bytes, |
| 338 | size_t bytes_len |
| 339 | ) |
| 340 | { |
| 341 | if (baton == NULL) |
| 342 | return 0; |
| 343 | |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 344 | ScriptInterpreterPython *script_interpreter = (ScriptInterpreterPython *) baton; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 345 | switch (notification) |
| 346 | { |
| 347 | case eInputReaderActivate: |
| 348 | { |
| 349 | // Save terminal settings if we can |
Caroline Tice | c95c6d1 | 2010-09-14 22:49:06 +0000 | [diff] [blame] | 350 | int input_fd; |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 351 | FILE *input_fh = reader.GetDebugger().GetInputFileHandle(); |
Caroline Tice | c95c6d1 | 2010-09-14 22:49:06 +0000 | [diff] [blame] | 352 | if (input_fh != NULL) |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 353 | input_fd = ::fileno (input_fh); |
Caroline Tice | c95c6d1 | 2010-09-14 22:49:06 +0000 | [diff] [blame] | 354 | else |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 355 | input_fd = STDIN_FILENO; |
Caroline Tice | c95c6d1 | 2010-09-14 22:49:06 +0000 | [diff] [blame] | 356 | |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 357 | script_interpreter->m_termios_valid = ::tcgetattr (input_fd, &script_interpreter->m_termios) == 0; |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 358 | |
| 359 | if (script_interpreter->m_termios_valid) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 360 | { |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 361 | struct termios tmp_termios = script_interpreter->m_termios; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 362 | tmp_termios.c_cc[VEOF] = _POSIX_VDISABLE; |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 363 | ::tcsetattr (input_fd, TCSANOW, &tmp_termios); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 364 | } |
| 365 | } |
| 366 | break; |
| 367 | |
| 368 | case eInputReaderDeactivate: |
| 369 | break; |
| 370 | |
| 371 | case eInputReaderReactivate: |
| 372 | break; |
| 373 | |
| 374 | case eInputReaderGotToken: |
| 375 | if (bytes && bytes_len) |
| 376 | { |
| 377 | if ((int) bytes[0] == 4) |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 378 | ::write (script_interpreter->GetMasterFileDescriptor(), "quit()", 6); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 379 | else |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 380 | ::write (script_interpreter->GetMasterFileDescriptor(), bytes, bytes_len); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 381 | } |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 382 | ::write (script_interpreter->GetMasterFileDescriptor(), "\n", 1); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 383 | break; |
| 384 | |
| 385 | case eInputReaderDone: |
| 386 | // Send a control D to the script interpreter |
| 387 | //::write (interpreter->GetMasterFileDescriptor(), "\nquit()\n", strlen("\nquit()\n")); |
| 388 | // Write a newline out to the reader output |
| 389 | //::fwrite ("\n", 1, 1, out_fh); |
| 390 | // Restore terminal settings if they were validly saved |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 391 | if (script_interpreter->m_termios_valid) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 392 | { |
Caroline Tice | c95c6d1 | 2010-09-14 22:49:06 +0000 | [diff] [blame] | 393 | int input_fd; |
| 394 | FILE *input_fh = reader.GetDebugger().GetInputFileHandle(); |
| 395 | if (input_fh != NULL) |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 396 | input_fd = ::fileno (input_fh); |
Caroline Tice | c95c6d1 | 2010-09-14 22:49:06 +0000 | [diff] [blame] | 397 | else |
Greg Clayton | 24b48ff | 2010-10-17 22:03:32 +0000 | [diff] [blame] | 398 | input_fd = STDIN_FILENO; |
Caroline Tice | c95c6d1 | 2010-09-14 22:49:06 +0000 | [diff] [blame] | 399 | |
| 400 | ::tcsetattr (input_fd, TCSANOW, &script_interpreter->m_termios); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 401 | } |
| 402 | break; |
| 403 | } |
| 404 | |
| 405 | return bytes_len; |
| 406 | } |
| 407 | |
| 408 | |
| 409 | void |
Greg Clayton | 238c0a1 | 2010-09-18 01:14:36 +0000 | [diff] [blame] | 410 | ScriptInterpreterPython::ExecuteInterpreterLoop () |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 411 | { |
| 412 | Timer scoped_timer (__PRETTY_FUNCTION__, __PRETTY_FUNCTION__); |
| 413 | |
Greg Clayton | 238c0a1 | 2010-09-18 01:14:36 +0000 | [diff] [blame] | 414 | Debugger &debugger = m_interpreter.GetDebugger(); |
Caroline Tice | c95c6d1 | 2010-09-14 22:49:06 +0000 | [diff] [blame] | 415 | |
| 416 | // At the moment, the only time the debugger does not have an input file handle is when this is called |
| 417 | // directly from Python, in which case it is both dangerous and unnecessary (not to mention confusing) to |
| 418 | // try to embed a running interpreter loop inside the already running Python interpreter loop, so we won't |
| 419 | // do it. |
| 420 | |
| 421 | if (debugger.GetInputFileHandle() == NULL) |
| 422 | return; |
| 423 | |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 424 | InputReaderSP reader_sp (new InputReader(debugger)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 425 | if (reader_sp) |
| 426 | { |
| 427 | Error error (reader_sp->Initialize (ScriptInterpreterPython::InputReaderCallback, |
| 428 | this, // baton |
| 429 | eInputReaderGranularityLine, // token size, to pass to callback function |
| 430 | NULL, // end token |
| 431 | NULL, // prompt |
| 432 | true)); // echo input |
| 433 | |
| 434 | if (error.Success()) |
| 435 | { |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 436 | debugger.PushInputReader (reader_sp); |
Greg Clayton | 238c0a1 | 2010-09-18 01:14:36 +0000 | [diff] [blame] | 437 | ExecuteOneLine ("run_python_interpreter(ConsoleDict)", NULL); |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 438 | debugger.PopInputReader (reader_sp); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 439 | } |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | bool |
| 444 | ScriptInterpreterPython::ExecuteOneLineWithReturn (const char *in_string, |
| 445 | ScriptInterpreter::ReturnType return_type, |
| 446 | void *ret_value) |
| 447 | { |
| 448 | PyObject *py_return = NULL; |
| 449 | PyObject *mainmod = PyImport_AddModule ("__main__"); |
| 450 | PyObject *globals = PyModule_GetDict (mainmod); |
| 451 | PyObject *locals = globals; |
| 452 | PyObject *py_error = NULL; |
| 453 | bool ret_success; |
| 454 | int success; |
| 455 | |
| 456 | if (in_string != NULL) |
| 457 | { |
| 458 | py_return = PyRun_String (in_string, Py_eval_input, globals, locals); |
| 459 | if (py_return == NULL) |
| 460 | { |
| 461 | py_error = PyErr_Occurred (); |
| 462 | if (py_error != NULL) |
| 463 | PyErr_Clear (); |
| 464 | |
| 465 | py_return = PyRun_String (in_string, Py_single_input, globals, locals); |
| 466 | } |
| 467 | |
| 468 | if (py_return != NULL) |
| 469 | { |
| 470 | switch (return_type) |
| 471 | { |
| 472 | case eCharPtr: // "char *" |
| 473 | { |
| 474 | const char format[3] = "s#"; |
| 475 | success = PyArg_Parse (py_return, format, (char **) &ret_value); |
| 476 | break; |
| 477 | } |
| 478 | case eBool: |
| 479 | { |
| 480 | const char format[2] = "b"; |
| 481 | success = PyArg_Parse (py_return, format, (bool *) ret_value); |
| 482 | break; |
| 483 | } |
| 484 | case eShortInt: |
| 485 | { |
| 486 | const char format[2] = "h"; |
| 487 | success = PyArg_Parse (py_return, format, (short *) ret_value); |
| 488 | break; |
| 489 | } |
| 490 | case eShortIntUnsigned: |
| 491 | { |
| 492 | const char format[2] = "H"; |
| 493 | success = PyArg_Parse (py_return, format, (unsigned short *) ret_value); |
| 494 | break; |
| 495 | } |
| 496 | case eInt: |
| 497 | { |
| 498 | const char format[2] = "i"; |
| 499 | success = PyArg_Parse (py_return, format, (int *) ret_value); |
| 500 | break; |
| 501 | } |
| 502 | case eIntUnsigned: |
| 503 | { |
| 504 | const char format[2] = "I"; |
| 505 | success = PyArg_Parse (py_return, format, (unsigned int *) ret_value); |
| 506 | break; |
| 507 | } |
| 508 | case eLongInt: |
| 509 | { |
| 510 | const char format[2] = "l"; |
| 511 | success = PyArg_Parse (py_return, format, (long *) ret_value); |
| 512 | break; |
| 513 | } |
| 514 | case eLongIntUnsigned: |
| 515 | { |
| 516 | const char format[2] = "k"; |
| 517 | success = PyArg_Parse (py_return, format, (unsigned long *) ret_value); |
| 518 | break; |
| 519 | } |
| 520 | case eLongLong: |
| 521 | { |
| 522 | const char format[2] = "L"; |
| 523 | success = PyArg_Parse (py_return, format, (long long *) ret_value); |
| 524 | break; |
| 525 | } |
| 526 | case eLongLongUnsigned: |
| 527 | { |
| 528 | const char format[2] = "K"; |
| 529 | success = PyArg_Parse (py_return, format, (unsigned long long *) ret_value); |
| 530 | break; |
| 531 | } |
| 532 | case eFloat: |
| 533 | { |
| 534 | const char format[2] = "f"; |
| 535 | success = PyArg_Parse (py_return, format, (float *) ret_value); |
| 536 | break; |
| 537 | } |
| 538 | case eDouble: |
| 539 | { |
| 540 | const char format[2] = "d"; |
| 541 | success = PyArg_Parse (py_return, format, (double *) ret_value); |
| 542 | break; |
| 543 | } |
| 544 | case eChar: |
| 545 | { |
| 546 | const char format[2] = "c"; |
| 547 | success = PyArg_Parse (py_return, format, (char *) ret_value); |
| 548 | break; |
| 549 | } |
| 550 | default: |
| 551 | {} |
| 552 | } |
| 553 | Py_DECREF (py_return); |
| 554 | if (success) |
| 555 | ret_success = true; |
| 556 | else |
| 557 | ret_success = false; |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | py_error = PyErr_Occurred(); |
| 562 | if (py_error != NULL) |
| 563 | { |
| 564 | if (PyErr_GivenExceptionMatches (py_error, PyExc_SyntaxError)) |
| 565 | PyErr_Print (); |
| 566 | PyErr_Clear(); |
| 567 | ret_success = false; |
| 568 | } |
| 569 | |
| 570 | return ret_success; |
| 571 | } |
| 572 | |
| 573 | bool |
| 574 | ScriptInterpreterPython::ExecuteMultipleLines (const char *in_string) |
| 575 | { |
| 576 | bool success = false; |
| 577 | PyObject *py_return = NULL; |
| 578 | PyObject *mainmod = PyImport_AddModule ("__main__"); |
| 579 | PyObject *globals = PyModule_GetDict (mainmod); |
| 580 | PyObject *locals = globals; |
| 581 | PyObject *py_error = NULL; |
| 582 | |
| 583 | if (in_string != NULL) |
| 584 | { |
| 585 | struct _node *compiled_node = PyParser_SimpleParseString (in_string, Py_file_input); |
| 586 | if (compiled_node) |
| 587 | { |
| 588 | PyCodeObject *compiled_code = PyNode_Compile (compiled_node, "temp.py"); |
| 589 | if (compiled_code) |
| 590 | { |
| 591 | py_return = PyEval_EvalCode (compiled_code, globals, locals); |
| 592 | if (py_return != NULL) |
| 593 | { |
| 594 | success = true; |
| 595 | Py_DECREF (py_return); |
| 596 | } |
| 597 | } |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | py_error = PyErr_Occurred (); |
| 602 | if (py_error != NULL) |
| 603 | { |
| 604 | if (PyErr_GivenExceptionMatches (py_error, PyExc_SyntaxError)) |
| 605 | PyErr_Print (); |
| 606 | PyErr_Clear(); |
| 607 | success = false; |
| 608 | } |
| 609 | |
| 610 | return success; |
| 611 | } |
| 612 | |
| 613 | static const char *g_reader_instructions = "Enter your Python command(s). Type 'DONE' to end."; |
| 614 | |
| 615 | size_t |
| 616 | ScriptInterpreterPython::GenerateBreakpointOptionsCommandCallback |
| 617 | ( |
| 618 | void *baton, |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 619 | InputReader &reader, |
Greg Clayton | 5144f38 | 2010-10-07 17:14:24 +0000 | [diff] [blame] | 620 | InputReaderAction notification, |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 621 | const char *bytes, |
| 622 | size_t bytes_len |
| 623 | ) |
| 624 | { |
| 625 | static StringList commands_in_progress; |
| 626 | |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 627 | FILE *out_fh = reader.GetDebugger().GetOutputFileHandle(); |
Caroline Tice | c95c6d1 | 2010-09-14 22:49:06 +0000 | [diff] [blame] | 628 | if (out_fh == NULL) |
| 629 | out_fh = stdout; |
| 630 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 631 | switch (notification) |
| 632 | { |
| 633 | case eInputReaderActivate: |
| 634 | { |
| 635 | commands_in_progress.Clear(); |
| 636 | if (out_fh) |
| 637 | { |
| 638 | ::fprintf (out_fh, "%s\n", g_reader_instructions); |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 639 | if (reader.GetPrompt()) |
| 640 | ::fprintf (out_fh, "%s", reader.GetPrompt()); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 641 | } |
| 642 | } |
| 643 | break; |
| 644 | |
| 645 | case eInputReaderDeactivate: |
| 646 | break; |
| 647 | |
| 648 | case eInputReaderReactivate: |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 649 | if (reader.GetPrompt() && out_fh) |
| 650 | ::fprintf (out_fh, "%s", reader.GetPrompt()); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 651 | break; |
| 652 | |
| 653 | case eInputReaderGotToken: |
| 654 | { |
| 655 | std::string temp_string (bytes, bytes_len); |
| 656 | commands_in_progress.AppendString (temp_string.c_str()); |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 657 | if (out_fh && !reader.IsDone() && reader.GetPrompt()) |
| 658 | ::fprintf (out_fh, "%s", reader.GetPrompt()); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 659 | } |
| 660 | break; |
| 661 | |
| 662 | case eInputReaderDone: |
| 663 | { |
| 664 | BreakpointOptions *bp_options = (BreakpointOptions *)baton; |
| 665 | std::auto_ptr<BreakpointOptions::CommandData> data_ap(new BreakpointOptions::CommandData()); |
| 666 | data_ap->user_source.AppendList (commands_in_progress); |
| 667 | if (data_ap.get()) |
| 668 | { |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 669 | ScriptInterpreter *interpreter = reader.GetDebugger().GetCommandInterpreter().GetScriptInterpreter(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 670 | if (interpreter) |
| 671 | { |
| 672 | if (interpreter->GenerateBreakpointCommandCallbackData (data_ap->user_source, |
| 673 | data_ap->script_source)) |
| 674 | { |
| 675 | if (data_ap->script_source.GetSize() == 1) |
| 676 | { |
| 677 | BatonSP baton_sp (new BreakpointOptions::CommandBaton (data_ap.release())); |
| 678 | bp_options->SetCallback (ScriptInterpreterPython::BreakpointCallbackFunction, baton_sp); |
| 679 | } |
| 680 | } |
Caroline Tice | b447e84 | 2010-09-21 19:25:28 +0000 | [diff] [blame] | 681 | else |
Caroline Tice | 5136f94 | 2010-09-27 21:35:15 +0000 | [diff] [blame] | 682 | ::fprintf (out_fh, "Warning: No command attached to breakpoint.\n"); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 683 | } |
| 684 | else |
| 685 | { |
| 686 | // FIXME: Error processing. |
| 687 | } |
| 688 | } |
| 689 | } |
| 690 | break; |
| 691 | |
| 692 | } |
| 693 | |
| 694 | return bytes_len; |
| 695 | } |
| 696 | |
| 697 | void |
Greg Clayton | 238c0a1 | 2010-09-18 01:14:36 +0000 | [diff] [blame] | 698 | ScriptInterpreterPython::CollectDataForBreakpointCommandCallback (BreakpointOptions *bp_options, |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 699 | CommandReturnObject &result) |
| 700 | { |
Greg Clayton | 238c0a1 | 2010-09-18 01:14:36 +0000 | [diff] [blame] | 701 | Debugger &debugger = m_interpreter.GetDebugger(); |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 702 | InputReaderSP reader_sp (new InputReader (debugger)); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 703 | |
| 704 | if (reader_sp) |
| 705 | { |
| 706 | Error err = reader_sp->Initialize ( |
| 707 | ScriptInterpreterPython::GenerateBreakpointOptionsCommandCallback, |
| 708 | bp_options, // baton |
| 709 | eInputReaderGranularityLine, // token size, for feeding data to callback function |
| 710 | "DONE", // end token |
| 711 | "> ", // prompt |
| 712 | true); // echo input |
| 713 | |
| 714 | if (err.Success()) |
Greg Clayton | 63094e0 | 2010-06-23 01:19:29 +0000 | [diff] [blame] | 715 | debugger.PushInputReader (reader_sp); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 716 | else |
| 717 | { |
| 718 | result.AppendError (err.AsCString()); |
| 719 | result.SetStatus (eReturnStatusFailed); |
| 720 | } |
| 721 | } |
| 722 | else |
| 723 | { |
| 724 | result.AppendError("out of memory"); |
| 725 | result.SetStatus (eReturnStatusFailed); |
| 726 | } |
| 727 | } |
| 728 | |
Johnny Chen | 3e0571b | 2010-09-11 00:23:59 +0000 | [diff] [blame] | 729 | // Set a Python one-liner as the callback for the breakpoint. |
Johnny Chen | d1c2dca | 2010-09-10 18:21:10 +0000 | [diff] [blame] | 730 | void |
Greg Clayton | 238c0a1 | 2010-09-18 01:14:36 +0000 | [diff] [blame] | 731 | ScriptInterpreterPython::SetBreakpointCommandCallback (BreakpointOptions *bp_options, |
Johnny Chen | d1c2dca | 2010-09-10 18:21:10 +0000 | [diff] [blame] | 732 | const char *oneliner) |
| 733 | { |
| 734 | std::auto_ptr<BreakpointOptions::CommandData> data_ap(new BreakpointOptions::CommandData()); |
| 735 | |
| 736 | // It's necessary to set both user_source and script_source to the oneliner. |
| 737 | // The former is used to generate callback description (as in breakpoint command list) |
| 738 | // while the latter is used for Python to interpret during the actual callback. |
Caroline Tice | 5136f94 | 2010-09-27 21:35:15 +0000 | [diff] [blame] | 739 | |
Johnny Chen | d1c2dca | 2010-09-10 18:21:10 +0000 | [diff] [blame] | 740 | data_ap->user_source.AppendString (oneliner); |
Johnny Chen | d1c2dca | 2010-09-10 18:21:10 +0000 | [diff] [blame] | 741 | |
Caroline Tice | 5136f94 | 2010-09-27 21:35:15 +0000 | [diff] [blame] | 742 | if (GenerateBreakpointCommandCallbackData (data_ap->user_source, data_ap->script_source)) |
| 743 | { |
| 744 | if (data_ap->script_source.GetSize() == 1) |
| 745 | { |
| 746 | BatonSP baton_sp (new BreakpointOptions::CommandBaton (data_ap.release())); |
| 747 | bp_options->SetCallback (ScriptInterpreterPython::BreakpointCallbackFunction, baton_sp); |
| 748 | } |
| 749 | } |
| 750 | |
Johnny Chen | d1c2dca | 2010-09-10 18:21:10 +0000 | [diff] [blame] | 751 | return; |
| 752 | } |
| 753 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 754 | bool |
| 755 | ScriptInterpreterPython::ExportFunctionDefinitionToInterpreter (StringList &function_def) |
| 756 | { |
| 757 | // Convert StringList to one long, newline delimited, const char *. |
| 758 | std::string function_def_string; |
| 759 | |
| 760 | int num_lines = function_def.GetSize(); |
| 761 | |
| 762 | for (int i = 0; i < num_lines; ++i) |
| 763 | { |
| 764 | function_def_string.append (function_def.GetStringAtIndex(i)); |
| 765 | if (function_def_string.at (function_def_string.length() - 1) != '\n') |
| 766 | function_def_string.append ("\n"); |
| 767 | |
| 768 | } |
| 769 | |
| 770 | return ExecuteMultipleLines (function_def_string.c_str()); |
| 771 | } |
| 772 | |
| 773 | bool |
| 774 | ScriptInterpreterPython::GenerateBreakpointCommandCallbackData (StringList &user_input, StringList &callback_data) |
| 775 | { |
| 776 | static int num_created_functions = 0; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 777 | user_input.RemoveBlankLines (); |
Caroline Tice | 59c5d5d | 2010-09-27 18:00:20 +0000 | [diff] [blame] | 778 | int num_lines = user_input.GetSize (); |
| 779 | StreamString sstr; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 780 | |
Caroline Tice | 59c5d5d | 2010-09-27 18:00:20 +0000 | [diff] [blame] | 781 | // Take what the user wrote, wrap it all up inside one big auto-generated Python function, passing in the |
| 782 | // frame and breakpoint location as parameters to the function. |
Caroline Tice | b447e84 | 2010-09-21 19:25:28 +0000 | [diff] [blame] | 783 | |
Caroline Tice | b447e84 | 2010-09-21 19:25:28 +0000 | [diff] [blame] | 784 | |
Caroline Tice | 59c5d5d | 2010-09-27 18:00:20 +0000 | [diff] [blame] | 785 | sstr.Printf ("lldb_autogen_python_bp_callback_func_%d", num_created_functions); |
| 786 | ++num_created_functions; |
| 787 | std::string auto_generated_function_name = sstr.GetData(); |
Caroline Tice | b447e84 | 2010-09-21 19:25:28 +0000 | [diff] [blame] | 788 | |
Caroline Tice | 59c5d5d | 2010-09-27 18:00:20 +0000 | [diff] [blame] | 789 | sstr.Clear(); |
Caroline Tice | b447e84 | 2010-09-21 19:25:28 +0000 | [diff] [blame] | 790 | StringList auto_generated_function; |
Caroline Tice | b447e84 | 2010-09-21 19:25:28 +0000 | [diff] [blame] | 791 | |
Caroline Tice | 59c5d5d | 2010-09-27 18:00:20 +0000 | [diff] [blame] | 792 | // Create the function name & definition string. |
| 793 | |
| 794 | sstr.Printf ("def %s (frame, bp_loc):", auto_generated_function_name.c_str()); |
| 795 | auto_generated_function.AppendString (sstr.GetData()); |
| 796 | |
| 797 | // Wrap everything up inside the function, increasing the indentation. |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 798 | |
| 799 | for (int i = 0; i < num_lines; ++i) |
| 800 | { |
Caroline Tice | 59c5d5d | 2010-09-27 18:00:20 +0000 | [diff] [blame] | 801 | sstr.Clear (); |
| 802 | sstr.Printf (" %s", user_input.GetStringAtIndex (i)); |
| 803 | auto_generated_function.AppendString (sstr.GetData()); |
Caroline Tice | b447e84 | 2010-09-21 19:25:28 +0000 | [diff] [blame] | 804 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 805 | |
Caroline Tice | 59c5d5d | 2010-09-27 18:00:20 +0000 | [diff] [blame] | 806 | // Verify that the results are valid Python. |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 807 | |
Caroline Tice | 59c5d5d | 2010-09-27 18:00:20 +0000 | [diff] [blame] | 808 | if (!ExportFunctionDefinitionToInterpreter (auto_generated_function)) |
Caroline Tice | b447e84 | 2010-09-21 19:25:28 +0000 | [diff] [blame] | 809 | { |
Caroline Tice | b447e84 | 2010-09-21 19:25:28 +0000 | [diff] [blame] | 810 | return false; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 811 | } |
Caroline Tice | 59c5d5d | 2010-09-27 18:00:20 +0000 | [diff] [blame] | 812 | |
| 813 | // Store the name of the auto-generated function to be called. |
| 814 | |
| 815 | callback_data.AppendString (auto_generated_function_name.c_str()); |
| 816 | return true; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 817 | } |
| 818 | |
Greg Clayton | 5144f38 | 2010-10-07 17:14:24 +0000 | [diff] [blame] | 819 | bool |
| 820 | ScriptInterpreterPython::BreakpointCallbackFunction |
| 821 | ( |
| 822 | void *baton, |
| 823 | StoppointCallbackContext *context, |
| 824 | user_id_t break_id, |
| 825 | user_id_t break_loc_id |
| 826 | ) |
| 827 | { |
| 828 | BreakpointOptions::CommandData *bp_option_data = (BreakpointOptions::CommandData *) baton; |
| 829 | const char *python_function_name = bp_option_data->script_source.GetStringAtIndex (0); |
| 830 | |
| 831 | if (python_function_name != NULL |
| 832 | && python_function_name[0] != '\0') |
| 833 | { |
| 834 | Thread *thread = context->exe_ctx.thread; |
| 835 | Target *target = context->exe_ctx.target; |
| 836 | const StackFrameSP stop_frame_sp = thread->GetStackFrameSPForStackFramePtr (context->exe_ctx.frame); |
| 837 | BreakpointSP breakpoint_sp = target->GetBreakpointByID (break_id); |
| 838 | const BreakpointLocationSP bp_loc_sp = breakpoint_sp->FindLocationByID (break_loc_id); |
| 839 | |
| 840 | SBFrame sb_frame (stop_frame_sp); |
| 841 | SBBreakpointLocation sb_bp_loc (bp_loc_sp); |
| 842 | |
| 843 | if (sb_bp_loc.IsValid() || sb_frame.IsValid()) |
| 844 | return LLDBSWIGPythonBreakpointCallbackFunction (python_function_name, sb_frame, sb_bp_loc); |
| 845 | } |
| 846 | // We currently always true so we stop in case anything goes wrong when |
| 847 | // trying to call the script function |
| 848 | return true; |
| 849 | } |