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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 #include "bin/dbg_connection.h" | |
| 6 #include "bin/dbg_message.h" | |
| 7 #include "bin/dartutils.h" | |
| 8 #include "bin/lockers.h" | |
| 9 #include "bin/thread.h" | |
| 10 #include "bin/utils.h" | |
| 11 | |
| 12 #include "platform/globals.h" | |
| 13 #include "platform/json.h" | |
| 14 #include "platform/utils.h" | |
| 15 | |
| 16 #include "include/dart_api.h" | |
| 17 | |
| 18 | |
| 19 namespace dart { | |
| 20 namespace bin { | |
| 21 | |
| 22 bool MessageParser::IsValidMessage() const { | |
| 23 if (buf_length_ == 0) { | |
| 24 return false; | |
| 25 } | |
| 26 dart::JSONReader msg_reader(buf_); | |
| 27 return msg_reader.EndOfObject() != NULL; | |
| 28 } | |
| 29 | |
| 30 | |
| 31 int MessageParser::MessageId() const { | |
| 32 dart::JSONReader r(buf_); | |
| 33 r.Seek("id"); | |
| 34 if (r.Type() == dart::JSONReader::kInteger) { | |
| 35 return atoi(r.ValueChars()); | |
| 36 } else { | |
| 37 return -1; | |
| 38 } | |
| 39 } | |
| 40 | |
| 41 | |
| 42 const char* MessageParser::Params() const { | |
| 43 dart::JSONReader r(buf_); | |
| 44 r.Seek("params"); | |
| 45 if (r.Type() == dart::JSONReader::kObject) { | |
| 46 return r.ValueChars(); | |
| 47 } else { | |
| 48 return NULL; | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 | |
| 53 bool MessageParser::HasParam(const char* name) const { | |
| 54 const char* params = Params(); | |
| 55 ASSERT(params != NULL); | |
| 56 dart::JSONReader r(params); | |
| 57 return r.Seek(name); | |
| 58 } | |
| 59 | |
| 60 | |
| 61 intptr_t MessageParser::GetIntParam(const char* name) const { | |
| 62 const char* params = Params(); | |
| 63 ASSERT(params != NULL); | |
| 64 dart::JSONReader r(params); | |
| 65 r.Seek(name); | |
| 66 ASSERT(r.Type() == dart::JSONReader::kInteger); | |
| 67 return strtol(r.ValueChars(), NULL, 10); | |
| 68 } | |
| 69 | |
| 70 | |
| 71 int64_t MessageParser::GetInt64Param(const char* name) const { | |
| 72 const char* params = Params(); | |
| 73 ASSERT(params != NULL); | |
| 74 dart::JSONReader r(params); | |
| 75 r.Seek(name); | |
| 76 ASSERT(r.Type() == dart::JSONReader::kInteger); | |
| 77 return strtoll(r.ValueChars(), NULL, 10); | |
| 78 } | |
| 79 | |
| 80 | |
| 81 intptr_t MessageParser::GetOptIntParam(const char* name, | |
| 82 intptr_t default_val) const { | |
| 83 const char* params = Params(); | |
| 84 ASSERT(params != NULL); | |
| 85 dart::JSONReader r(params); | |
| 86 r.Seek(name); | |
| 87 if (r.Type() == dart::JSONReader::kInteger) { | |
| 88 return strtol(r.ValueChars(), NULL, 10); | |
| 89 } else { | |
| 90 return default_val; | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 | |
| 95 static const char* GetStringChars(Dart_Handle str) { | |
| 96 ASSERT(Dart_IsString(str)); | |
| 97 const char* chars; | |
| 98 Dart_Handle res = Dart_StringToCString(str, &chars); | |
| 99 ASSERT(!Dart_IsError(res)); | |
| 100 return chars; | |
| 101 } | |
| 102 | |
| 103 | |
| 104 static int64_t GetIntValue(Dart_Handle int_handle) { | |
| 105 int64_t int64_val = -1; | |
| 106 ASSERT(Dart_IsInteger(int_handle)); | |
| 107 Dart_Handle res = Dart_IntegerToInt64(int_handle, &int64_val); | |
| 108 ASSERT_NOT_ERROR(res); | |
| 109 return int64_val; | |
| 110 } | |
| 111 | |
| 112 | |
| 113 char* MessageParser::GetStringParam(const char* name) const { | |
| 114 const char* params = Params(); | |
| 115 ASSERT(params != NULL); | |
| 116 dart::JSONReader pr(params); | |
| 117 pr.Seek(name); | |
| 118 if (pr.Type() != dart::JSONReader::kString) { | |
| 119 return NULL; | |
| 120 } | |
| 121 intptr_t buflen = pr.ValueLen() + 1; | |
| 122 char* param_chars = reinterpret_cast<char*>(malloc(buflen)); | |
| 123 pr.GetDecodedValueChars(param_chars, buflen); | |
| 124 return param_chars; | |
| 125 } | |
| 126 | |
| 127 | |
| 128 static void FormatEncodedCharsTrunc(dart::TextBuffer* buf, | |
| 129 Dart_Handle str, | |
| 130 intptr_t max_chars) { | |
| 131 intptr_t str_len = 0; | |
| 132 Dart_Handle res = Dart_StringLength(str, &str_len); | |
| 133 ASSERT_NOT_ERROR(res); | |
| 134 intptr_t num_chars = (str_len > max_chars) ? max_chars : str_len; | |
| 135 uint16_t* codeunits = | |
| 136 reinterpret_cast<uint16_t*>(malloc(num_chars * sizeof(uint16_t))); | |
| 137 ASSERT(codeunits != NULL); | |
| 138 intptr_t actual_len = num_chars; | |
| 139 res = Dart_StringToUTF16(str, codeunits, &actual_len); | |
| 140 ASSERT_NOT_ERROR(res); | |
| 141 ASSERT(num_chars == actual_len); | |
| 142 for (int i = 0; i < num_chars; i++) { | |
| 143 buf->EscapeAndAddCodeUnit(codeunits[i]); | |
| 144 } | |
| 145 if (str_len > max_chars) { | |
| 146 buf->Printf("..."); | |
| 147 } | |
| 148 free(codeunits); | |
| 149 } | |
| 150 | |
| 151 | |
| 152 static void FormatEncodedChars(dart::TextBuffer* buf, Dart_Handle str) { | |
| 153 intptr_t str_len = 0; | |
| 154 Dart_Handle res = Dart_StringLength(str, &str_len); | |
| 155 ASSERT_NOT_ERROR(res); | |
| 156 uint16_t* codeunits = | |
| 157 reinterpret_cast<uint16_t*>(malloc(str_len * sizeof(uint16_t))); | |
| 158 ASSERT(codeunits != NULL); | |
| 159 intptr_t actual_len = str_len; | |
| 160 res = Dart_StringToUTF16(str, codeunits, &actual_len); | |
| 161 ASSERT_NOT_ERROR(res); | |
| 162 ASSERT(str_len == actual_len); | |
| 163 for (int i = 0; i < str_len; i++) { | |
| 164 buf->EscapeAndAddCodeUnit(codeunits[i]); | |
| 165 } | |
| 166 free(codeunits); | |
| 167 } | |
| 168 | |
| 169 | |
| 170 static void FormatEncodedString(dart::TextBuffer* buf, Dart_Handle str) { | |
| 171 buf->AddChar('\"'); | |
| 172 FormatEncodedChars(buf, str); | |
| 173 buf->AddChar('\"'); | |
| 174 } | |
| 175 | |
| 176 | |
| 177 static void FormatTextualValue(dart::TextBuffer* buf, | |
| 178 Dart_Handle object, | |
| 179 intptr_t max_chars, | |
| 180 bool expand_list); | |
| 181 | |
| 182 | |
| 183 static void FormatTextualListValue(dart::TextBuffer* buf, | |
| 184 Dart_Handle list, | |
| 185 intptr_t max_chars) { | |
| 186 intptr_t len = 0; | |
| 187 Dart_Handle res = Dart_ListLength(list, &len); | |
| 188 ASSERT_NOT_ERROR(res); | |
| 189 const intptr_t initial_buffer_length = buf->length(); | |
| 190 // Maximum number of characters we print for array elements. | |
| 191 const intptr_t max_buffer_length = initial_buffer_length + max_chars; | |
| 192 buf->Printf("["); | |
| 193 for (int i = 0; i < len; i++) { | |
| 194 if (i > 0) { | |
| 195 buf->Printf(", "); | |
| 196 } | |
| 197 Dart_Handle elem = Dart_ListGetAt(list, i); | |
| 198 const intptr_t max_element_chars = 50; | |
| 199 FormatTextualValue(buf, elem, max_element_chars, false); | |
| 200 if (buf->length() > max_buffer_length) { | |
| 201 buf->Printf(", ..."); | |
| 202 break; | |
| 203 } | |
| 204 } | |
| 205 buf->Printf("]"); | |
| 206 } | |
| 207 | |
| 208 | |
| 209 static void FormatTextualValue(dart::TextBuffer* buf, | |
| 210 Dart_Handle object, | |
| 211 intptr_t max_chars, | |
| 212 bool expand_list) { | |
| 213 ASSERT(!Dart_IsError(object)); | |
| 214 if (Dart_IsList(object)) { | |
| 215 if (expand_list) { | |
| 216 FormatTextualListValue(buf, object, max_chars); | |
| 217 } else { | |
| 218 buf->Printf("[...]"); | |
| 219 } | |
| 220 } else if (Dart_IsNull(object)) { | |
| 221 buf->Printf("null"); | |
| 222 } else if (Dart_IsString(object)) { | |
| 223 buf->Printf("\\\""); | |
| 224 FormatEncodedCharsTrunc(buf, object, max_chars); | |
| 225 buf->Printf("\\\""); | |
| 226 } else if (Dart_IsNumber(object) || Dart_IsBoolean(object)) { | |
| 227 Dart_Handle text = Dart_ToString(object); | |
| 228 ASSERT(!Dart_IsNull(text) && !Dart_IsError(text)); | |
| 229 FormatEncodedCharsTrunc(buf, text, max_chars); | |
| 230 } else { | |
| 231 Dart_Handle type = Dart_InstanceGetType(object); | |
| 232 ASSERT_NOT_ERROR(type); | |
| 233 type = Dart_ToString(type); | |
| 234 ASSERT_NOT_ERROR(type); | |
| 235 buf->Printf("object of type "); | |
| 236 FormatEncodedCharsTrunc(buf, type, max_chars); | |
| 237 } | |
| 238 } | |
| 239 | |
| 240 | |
| 241 static void FormatValue(dart::TextBuffer* buf, Dart_Handle object) { | |
| 242 bool print_text_field = true; | |
| 243 if (Dart_IsNumber(object)) { | |
| 244 buf->Printf("\"kind\":\"number\""); | |
| 245 } else if (Dart_IsString(object)) { | |
| 246 buf->Printf("\"kind\":\"string\""); | |
| 247 } else if (Dart_IsBoolean(object)) { | |
| 248 buf->Printf("\"kind\":\"boolean\""); | |
| 249 } else if (Dart_IsList(object)) { | |
| 250 intptr_t len = 0; | |
| 251 Dart_Handle res = Dart_ListLength(object, &len); | |
| 252 ASSERT_NOT_ERROR(res); | |
| 253 buf->Printf("\"kind\":\"list\",\"length\":%" Pd "", len); | |
| 254 } else if (Dart_IsClosure(object)) { | |
| 255 Dart_Handle name, signature; | |
| 256 Dart_CodeLocation location; | |
| 257 Dart_Handle res = Dart_GetClosureInfo(object, &name, &signature, &location); | |
| 258 ASSERT_NOT_ERROR(res); | |
| 259 buf->Printf("\"kind\":\"function\",\"name\":\"%s\"", GetStringChars(name)); | |
| 260 buf->Printf(",\"signature\":\"%s\"", GetStringChars(signature)); | |
| 261 if (!Dart_IsNull(location.script_url)) { | |
| 262 ASSERT(Dart_IsString(location.script_url)); | |
| 263 buf->Printf(",\"location\": { \"url\":"); | |
| 264 FormatEncodedString(buf, location.script_url); | |
| 265 buf->Printf(",\"libraryId\":%d,", location.library_id); | |
| 266 buf->Printf("\"tokenOffset\":%d}", location.token_pos); | |
| 267 } | |
| 268 print_text_field = false; | |
| 269 } else { | |
| 270 buf->Printf("\"kind\":\"object\""); | |
| 271 intptr_t class_id = 0; | |
| 272 Dart_Handle res = Dart_GetObjClassId(object, &class_id); | |
| 273 if (!Dart_IsError(res)) { | |
| 274 buf->Printf(",\"classId\":%" Pd "", class_id); | |
| 275 } | |
| 276 } | |
| 277 if (print_text_field) { | |
| 278 buf->Printf(",\"text\":\""); | |
| 279 const intptr_t max_chars = 1024; | |
| 280 FormatTextualValue(buf, object, max_chars, true); | |
| 281 buf->Printf("\""); | |
| 282 } | |
| 283 } | |
| 284 | |
| 285 | |
| 286 static void FormatValueObj(dart::TextBuffer* buf, Dart_Handle object) { | |
| 287 buf->Printf("{"); | |
| 288 FormatValue(buf, object); | |
| 289 buf->Printf("}"); | |
| 290 } | |
| 291 | |
| 292 | |
| 293 static void FormatRemoteObj(dart::TextBuffer* buf, Dart_Handle object) { | |
| 294 intptr_t obj_id = Dart_CacheObject(object); | |
| 295 ASSERT(obj_id >= 0); | |
| 296 buf->Printf("{\"objectId\":%" Pd ",", obj_id); | |
| 297 FormatValue(buf, object); | |
| 298 buf->Printf("}"); | |
| 299 } | |
| 300 | |
| 301 | |
| 302 static void FormatNamedValue(dart::TextBuffer* buf, | |
| 303 Dart_Handle object_name, | |
| 304 Dart_Handle object) { | |
| 305 ASSERT(Dart_IsString(object_name)); | |
| 306 buf->Printf("{\"name\":\"%s\",", GetStringChars(object_name)); | |
| 307 buf->Printf("\"value\":"); | |
| 308 FormatRemoteObj(buf, object); | |
| 309 buf->Printf("}"); | |
| 310 } | |
| 311 | |
| 312 | |
| 313 static void FormatNamedValueList(dart::TextBuffer* buf, | |
| 314 Dart_Handle obj_list) { | |
| 315 ASSERT(Dart_IsList(obj_list)); | |
| 316 intptr_t list_length = 0; | |
| 317 Dart_Handle res = Dart_ListLength(obj_list, &list_length); | |
| 318 ASSERT_NOT_ERROR(res); | |
| 319 ASSERT(list_length % 2 == 0); | |
| 320 buf->Printf("["); | |
| 321 for (int i = 0; i + 1 < list_length; i += 2) { | |
| 322 Dart_Handle name_handle = Dart_ListGetAt(obj_list, i); | |
| 323 ASSERT_NOT_ERROR(name_handle); | |
| 324 Dart_Handle value_handle = Dart_ListGetAt(obj_list, i + 1); | |
| 325 ASSERT_NOT_ERROR(value_handle); | |
| 326 if (i > 0) { | |
| 327 buf->Printf(","); | |
| 328 } | |
| 329 FormatNamedValue(buf, name_handle, value_handle); | |
| 330 } | |
| 331 buf->Printf("]"); | |
| 332 } | |
| 333 | |
| 334 | |
| 335 static const char* FormatClassProps(dart::TextBuffer* buf, | |
| 336 intptr_t cls_id) { | |
| 337 Dart_Handle name, static_fields; | |
| 338 intptr_t super_id = -1; | |
| 339 intptr_t library_id = -1; | |
| 340 Dart_Handle res = | |
| 341 Dart_GetClassInfo(cls_id, &name, &library_id, &super_id, &static_fields); | |
| 342 RETURN_IF_ERROR(res); | |
| 343 RETURN_IF_ERROR(name); | |
| 344 buf->Printf("{\"name\":\"%s\",", GetStringChars(name)); | |
| 345 if (super_id > 0) { | |
| 346 buf->Printf("\"superclassId\":%" Pd ",", super_id); | |
| 347 } | |
| 348 buf->Printf("\"libraryId\":%" Pd ",", library_id); | |
| 349 RETURN_IF_ERROR(static_fields); | |
| 350 buf->Printf("\"fields\":"); | |
| 351 FormatNamedValueList(buf, static_fields); | |
| 352 buf->Printf("}"); | |
| 353 return NULL; | |
| 354 } | |
| 355 | |
| 356 | |
| 357 static const char* FormatLibraryProps(dart::TextBuffer* buf, | |
| 358 intptr_t lib_id) { | |
| 359 Dart_Handle url = Dart_GetLibraryURL(lib_id); | |
| 360 RETURN_IF_ERROR(url); | |
| 361 buf->Printf("{\"url\":"); | |
| 362 FormatEncodedString(buf, url); | |
| 363 | |
| 364 // Whether debugging is enabled. | |
| 365 bool is_debuggable = false; | |
| 366 Dart_Handle res = Dart_GetLibraryDebuggable(lib_id, &is_debuggable); | |
| 367 RETURN_IF_ERROR(res); | |
| 368 buf->Printf(",\"debuggingEnabled\":%s", | |
| 369 is_debuggable ? "\"true\"" : "\"false\""); | |
| 370 | |
| 371 // Imports and prefixes. | |
| 372 Dart_Handle import_list = Dart_GetLibraryImports(lib_id); | |
| 373 RETURN_IF_ERROR(import_list); | |
| 374 ASSERT(Dart_IsList(import_list)); | |
| 375 intptr_t list_length = 0; | |
| 376 res = Dart_ListLength(import_list, &list_length); | |
| 377 RETURN_IF_ERROR(res); | |
| 378 buf->Printf(",\"imports\":["); | |
| 379 for (intptr_t i = 0; i + 1 < list_length; i += 2) { | |
| 380 Dart_Handle lib_id = Dart_ListGetAt(import_list, i + 1); | |
| 381 ASSERT_NOT_ERROR(lib_id); | |
| 382 buf->Printf("%s{\"libraryId\":%" Pd64 ",", | |
| 383 (i > 0) ? ",": "", | |
| 384 GetIntValue(lib_id)); | |
| 385 | |
| 386 Dart_Handle name = Dart_ListGetAt(import_list, i); | |
| 387 ASSERT_NOT_ERROR(name); | |
| 388 buf->Printf("\"prefix\":\"%s\"}", | |
| 389 Dart_IsNull(name) ? "" : GetStringChars(name)); | |
| 390 } | |
| 391 buf->Printf("],"); | |
| 392 | |
| 393 // Global variables in the library. | |
| 394 Dart_Handle global_vars = Dart_GetLibraryFields(lib_id); | |
| 395 RETURN_IF_ERROR(global_vars); | |
| 396 buf->Printf("\"globals\":"); | |
| 397 FormatNamedValueList(buf, global_vars); | |
| 398 buf->Printf("}"); | |
| 399 return NULL; | |
| 400 } | |
| 401 | |
| 402 | |
| 403 static const char* FormatObjProps(dart::TextBuffer* buf, | |
| 404 Dart_Handle object) { | |
| 405 intptr_t class_id; | |
| 406 if (Dart_IsNull(object)) { | |
| 407 buf->Printf("{\"classId\":-1,\"fields\":[]}"); | |
| 408 return NULL; | |
| 409 } | |
| 410 Dart_Handle res = Dart_GetObjClassId(object, &class_id); | |
| 411 RETURN_IF_ERROR(res); | |
| 412 buf->Printf("{\"classId\": %" Pd ",", class_id); | |
| 413 buf->Printf("\"kind\":\"object\",\"fields\":"); | |
| 414 Dart_Handle fields = Dart_GetInstanceFields(object); | |
| 415 RETURN_IF_ERROR(fields); | |
| 416 FormatNamedValueList(buf, fields); | |
| 417 buf->Printf("}"); | |
| 418 return NULL; | |
| 419 } | |
| 420 | |
| 421 | |
| 422 static const char* FormatListSlice(dart::TextBuffer* buf, | |
| 423 Dart_Handle list, | |
| 424 intptr_t list_length, | |
| 425 intptr_t index, | |
| 426 intptr_t slice_length) { | |
| 427 intptr_t end_index = index + slice_length; | |
| 428 ASSERT(end_index <= list_length); | |
| 429 buf->Printf("{\"index\":%" Pd ",", index); | |
| 430 buf->Printf("\"length\":%" Pd ",", slice_length); | |
| 431 buf->Printf("\"elements\":["); | |
| 432 for (intptr_t i = index; i < end_index; i++) { | |
| 433 Dart_Handle value = Dart_ListGetAt(list, i); | |
| 434 if (i > index) { | |
| 435 buf->Printf(","); | |
| 436 } | |
| 437 FormatValueObj(buf, value); | |
| 438 } | |
| 439 buf->Printf("]}"); | |
| 440 return NULL; | |
| 441 } | |
| 442 | |
| 443 | |
| 444 static void FormatLocationFromTrace(dart::TextBuffer* msg, | |
| 445 Dart_StackTrace trace, | |
| 446 const char* prefix) { | |
| 447 intptr_t trace_len = 0; | |
| 448 Dart_Handle res = Dart_StackTraceLength(trace, &trace_len); | |
| 449 ASSERT_NOT_ERROR(res); | |
| 450 if (trace_len == 0) { | |
| 451 return; | |
| 452 } | |
| 453 Dart_ActivationFrame frame; | |
| 454 res = Dart_GetActivationFrame(trace, 0, &frame); | |
| 455 ASSERT_NOT_ERROR(res); | |
| 456 Dart_CodeLocation location; | |
| 457 res = Dart_ActivationFrameGetLocation(frame, NULL, NULL, &location); | |
| 458 ASSERT_NOT_ERROR(res); | |
| 459 if (!Dart_IsNull(location.script_url)) { | |
| 460 ASSERT(Dart_IsString(location.script_url)); | |
| 461 msg->Printf("%s\"location\": { \"url\":", prefix); | |
| 462 FormatEncodedString(msg, location.script_url); | |
| 463 msg->Printf(",\"libraryId\":%d,", location.library_id); | |
| 464 msg->Printf("\"tokenOffset\":%d}", location.token_pos); | |
| 465 } | |
| 466 } | |
| 467 | |
| 468 | |
| 469 static void FormatCallFrames(dart::TextBuffer* msg, Dart_StackTrace trace) { | |
| 470 intptr_t trace_len = 0; | |
| 471 Dart_Handle res = Dart_StackTraceLength(trace, &trace_len); | |
| 472 ASSERT_NOT_ERROR(res); | |
| 473 msg->Printf("\"callFrames\" : [ "); | |
| 474 for (int i = 0; i < trace_len; i++) { | |
| 475 Dart_ActivationFrame frame; | |
| 476 res = Dart_GetActivationFrame(trace, i, &frame); | |
| 477 ASSERT_NOT_ERROR(res); | |
| 478 Dart_Handle func_name; | |
| 479 Dart_Handle func; | |
| 480 Dart_CodeLocation location; | |
| 481 res = Dart_ActivationFrameGetLocation(frame, &func_name, &func, &location); | |
| 482 ASSERT_NOT_ERROR(res); | |
| 483 ASSERT(Dart_IsString(func_name)); | |
| 484 msg->Printf("%s{\"functionName\":", (i > 0) ? "," : ""); | |
| 485 FormatEncodedString(msg, func_name); | |
| 486 if (!Dart_IsNull(location.script_url)) { | |
| 487 ASSERT(Dart_IsString(location.script_url)); | |
| 488 msg->Printf(",\"location\": { \"url\":"); | |
| 489 FormatEncodedString(msg, location.script_url); | |
| 490 msg->Printf(",\"libraryId\":%d,", location.library_id); | |
| 491 msg->Printf("\"tokenOffset\":%d}", location.token_pos); | |
| 492 } | |
| 493 ASSERT_NOT_ERROR(func); | |
| 494 Dart_Handle origin = Dart_GetFunctionOrigin(func); | |
| 495 ASSERT_NOT_ERROR(origin); | |
| 496 if (Dart_IsInteger(origin)) { | |
| 497 int64_t class_id = GetIntValue(origin); | |
| 498 msg->Printf(",\"classId\":%" Pd64 "", class_id); | |
| 499 } | |
| 500 Dart_Handle locals = Dart_GetLocalVariables(frame); | |
| 501 ASSERT_NOT_ERROR(locals); | |
| 502 msg->Printf(",\"locals\":"); | |
| 503 FormatNamedValueList(msg, locals); | |
| 504 msg->Printf("}"); | |
| 505 } | |
| 506 msg->Printf("]"); | |
| 507 } | |
| 508 | |
| 509 | |
| 510 typedef bool (*CommandHandler)(DbgMessage* msg); | |
| 511 | |
| 512 struct JSONDebuggerCommand { | |
| 513 const char* cmd_string; | |
| 514 CommandHandler handler_function; | |
| 515 }; | |
| 516 | |
| 517 | |
| 518 static JSONDebuggerCommand debugger_commands[] = { | |
| 519 { "resume", DbgMessage::HandleResumeCmd }, | |
| 520 { "stepInto", DbgMessage::HandleStepIntoCmd }, | |
| 521 { "stepOut", DbgMessage::HandleStepOutCmd }, | |
| 522 { "stepOver", DbgMessage::HandleStepOverCmd }, | |
| 523 { "getLibraries", DbgMessage::HandleGetLibrariesCmd }, | |
| 524 { "getClassProperties", DbgMessage::HandleGetClassPropsCmd }, | |
| 525 { "getLibraryProperties", DbgMessage::HandleGetLibPropsCmd }, | |
| 526 { "setLibraryProperties", DbgMessage::HandleSetLibPropsCmd }, | |
| 527 { "evaluateExpr", DbgMessage::HandleEvaluateExprCmd }, | |
| 528 { "getObjectProperties", DbgMessage::HandleGetObjPropsCmd }, | |
| 529 { "getListElements", DbgMessage::HandleGetListCmd }, | |
| 530 { "getGlobalVariables", DbgMessage::HandleGetGlobalsCmd }, | |
| 531 { "getScriptURLs", DbgMessage::HandleGetScriptURLsCmd }, | |
| 532 { "getScriptSource", DbgMessage::HandleGetSourceCmd }, | |
| 533 { "getLineNumberTable", DbgMessage::HandleGetLineNumbersCmd }, | |
| 534 { "getStackTrace", DbgMessage::HandleGetStackTraceCmd }, | |
| 535 { "setBreakpoint", DbgMessage::HandleSetBpCmd }, | |
| 536 { "setPauseOnException", DbgMessage::HandlePauseOnExcCmd }, | |
| 537 { "removeBreakpoint", DbgMessage::HandleRemBpCmd }, | |
| 538 { NULL, NULL } | |
| 539 }; | |
| 540 | |
| 541 | |
| 542 bool DbgMessage::HandleMessage() { | |
| 543 // Dispatch to the appropriate handler for the command. | |
| 544 int max_index = (sizeof(debugger_commands) / sizeof(JSONDebuggerCommand)); | |
| 545 ASSERT(cmd_idx_ < max_index); | |
| 546 return (*debugger_commands[cmd_idx_].handler_function)(this); | |
| 547 } | |
| 548 | |
| 549 | |
| 550 void DbgMessage::SendReply(dart::TextBuffer* reply) { | |
| 551 DebuggerConnectionHandler::SendMsg(debug_fd(), reply); | |
| 552 } | |
| 553 | |
| 554 | |
| 555 void DbgMessage::SendErrorReply(int msg_id, const char* err_msg) { | |
| 556 DebuggerConnectionHandler::SendError(debug_fd(), msg_id, err_msg); | |
| 557 } | |
| 558 | |
| 559 | |
| 560 bool DbgMessage::HandleResumeCmd(DbgMessage* in_msg) { | |
| 561 ASSERT(in_msg != NULL); | |
| 562 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 563 int msg_id = msg_parser.MessageId(); | |
| 564 dart::TextBuffer msg(64); | |
| 565 msg.Printf("{ \"id\": %d }", msg_id); | |
| 566 in_msg->SendReply(&msg); | |
| 567 return true; | |
| 568 } | |
| 569 | |
| 570 | |
| 571 bool DbgMessage::HandleStepIntoCmd(DbgMessage* in_msg) { | |
| 572 Dart_Handle res = Dart_SetStepInto(); | |
| 573 ASSERT_NOT_ERROR(res); | |
| 574 return HandleResumeCmd(in_msg); | |
| 575 } | |
| 576 | |
| 577 | |
| 578 bool DbgMessage::HandleStepOutCmd(DbgMessage* in_msg) { | |
| 579 Dart_Handle res = Dart_SetStepOut(); | |
| 580 ASSERT_NOT_ERROR(res); | |
| 581 return HandleResumeCmd(in_msg); | |
| 582 } | |
| 583 | |
| 584 | |
| 585 bool DbgMessage::HandleStepOverCmd(DbgMessage* in_msg) { | |
| 586 Dart_Handle res = Dart_SetStepOver(); | |
| 587 ASSERT_NOT_ERROR(res); | |
| 588 return HandleResumeCmd(in_msg); | |
| 589 } | |
| 590 | |
| 591 | |
| 592 bool DbgMessage::HandleGetLibrariesCmd(DbgMessage* in_msg) { | |
| 593 ASSERT(in_msg != NULL); | |
| 594 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 595 int msg_id = msg_parser.MessageId(); | |
| 596 dart::TextBuffer msg(64); | |
| 597 msg.Printf("{ \"id\": %d, \"result\": { \"libraries\": [", msg_id); | |
| 598 Dart_Handle lib_ids = Dart_GetLibraryIds(); | |
| 599 ASSERT_NOT_ERROR(lib_ids); | |
| 600 intptr_t num_libs; | |
| 601 Dart_Handle res = Dart_ListLength(lib_ids, &num_libs); | |
| 602 ASSERT_NOT_ERROR(res); | |
| 603 for (intptr_t i = 0; i < num_libs; i++) { | |
| 604 Dart_Handle lib_id_handle = Dart_ListGetAt(lib_ids, i); | |
| 605 ASSERT(Dart_IsInteger(lib_id_handle)); | |
| 606 int64_t lib_id = GetIntValue(lib_id_handle); | |
| 607 ASSERT((lib_id >= kIntptrMin) && (lib_id <= kIntptrMax)); | |
| 608 Dart_Handle lib_url = Dart_GetLibraryURL(static_cast<intptr_t>(lib_id)); | |
| 609 ASSERT_NOT_ERROR(lib_url); | |
| 610 ASSERT(Dart_IsString(lib_url)); | |
| 611 msg.Printf("%s{\"id\":%" Pd64 ",\"url\":", (i == 0) ? "" : ", ", lib_id); | |
| 612 FormatEncodedString(&msg, lib_url); | |
| 613 msg.Printf("}"); | |
| 614 } | |
| 615 msg.Printf("]}}"); | |
| 616 in_msg->SendReply(&msg); | |
| 617 return false; | |
| 618 } | |
| 619 | |
| 620 | |
| 621 bool DbgMessage::HandleGetClassPropsCmd(DbgMessage* in_msg) { | |
| 622 ASSERT(in_msg != NULL); | |
| 623 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 624 int msg_id = msg_parser.MessageId(); | |
| 625 intptr_t cls_id = msg_parser.GetIntParam("classId"); | |
| 626 dart::TextBuffer msg(64); | |
| 627 msg.Printf("{\"id\":%d, \"result\":", msg_id); | |
| 628 const char* err = FormatClassProps(&msg, cls_id); | |
| 629 if (err != NULL) { | |
| 630 in_msg->SendErrorReply(msg_id, err); | |
| 631 return false; | |
| 632 } | |
| 633 msg.Printf("}"); | |
| 634 in_msg->SendReply(&msg); | |
| 635 return false; | |
| 636 } | |
| 637 | |
| 638 | |
| 639 bool DbgMessage::HandleGetLibPropsCmd(DbgMessage* in_msg) { | |
| 640 ASSERT(in_msg != NULL); | |
| 641 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 642 int msg_id = msg_parser.MessageId(); | |
| 643 intptr_t lib_id = msg_parser.GetIntParam("libraryId"); | |
| 644 dart::TextBuffer msg(64); | |
| 645 msg.Printf("{\"id\":%d, \"result\":", msg_id); | |
| 646 const char* err = FormatLibraryProps(&msg, lib_id); | |
| 647 if (err != NULL) { | |
| 648 in_msg->SendErrorReply(msg_id, err); | |
| 649 return false; | |
| 650 } | |
| 651 msg.Printf("}"); | |
| 652 in_msg->SendReply(&msg); | |
| 653 return false; | |
| 654 } | |
| 655 | |
| 656 | |
| 657 bool DbgMessage::HandleSetLibPropsCmd(DbgMessage* in_msg) { | |
| 658 ASSERT(in_msg != NULL); | |
| 659 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 660 int msg_id = msg_parser.MessageId(); | |
| 661 intptr_t lib_id = msg_parser.GetIntParam("libraryId"); | |
| 662 const char* enable_request = msg_parser.GetStringParam("debuggingEnabled"); | |
| 663 bool enable; | |
| 664 if (strcmp(enable_request, "true") == 0) { | |
| 665 enable = true; | |
| 666 } else if (strcmp(enable_request, "false") == 0) { | |
| 667 enable = false; | |
| 668 } else { | |
| 669 in_msg->SendErrorReply(msg_id, "illegal argument for 'debuggingEnabled'"); | |
| 670 return false; | |
| 671 } | |
| 672 Dart_Handle res = Dart_SetLibraryDebuggable(lib_id, enable); | |
| 673 if (Dart_IsError(res)) { | |
| 674 in_msg->SendErrorReply(msg_id, Dart_GetError(res)); | |
| 675 return false; | |
| 676 } | |
| 677 bool enabled = false; | |
| 678 res = Dart_GetLibraryDebuggable(lib_id, &enabled); | |
| 679 if (Dart_IsError(res)) { | |
| 680 in_msg->SendErrorReply(msg_id, Dart_GetError(res)); | |
| 681 return false; | |
| 682 } | |
| 683 dart::TextBuffer msg(64); | |
| 684 msg.Printf("{\"id\":%d, \"result\": {\"debuggingEnabled\": \"%s\"}}", | |
| 685 msg_id, | |
| 686 enabled ? "true" : "false"); | |
| 687 in_msg->SendReply(&msg); | |
| 688 return false; | |
| 689 } | |
| 690 | |
| 691 | |
| 692 bool DbgMessage::HandleEvaluateExprCmd(DbgMessage* in_msg) { | |
| 693 ASSERT(in_msg != NULL); | |
| 694 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 695 int msg_id = msg_parser.MessageId(); | |
| 696 Dart_Handle target = Dart_Null(); | |
| 697 Dart_ActivationFrame frame = NULL; | |
| 698 | |
| 699 if (msg_parser.HasParam("libraryId")) { | |
| 700 intptr_t lib_id = msg_parser.GetIntParam("libraryId"); | |
| 701 target = Dart_GetLibraryFromId(lib_id); | |
| 702 } else if (msg_parser.HasParam("classId")) { | |
| 703 intptr_t cls_id = msg_parser.GetIntParam("classId"); | |
| 704 target = Dart_GetClassFromId(cls_id); | |
| 705 } else if (msg_parser.HasParam("objectId")) { | |
| 706 intptr_t obj_id = msg_parser.GetIntParam("objectId"); | |
| 707 target = Dart_GetCachedObject(obj_id); | |
| 708 } else if (msg_parser.HasParam("frameId")) { | |
| 709 intptr_t frame_index = msg_parser.GetIntParam("frameId"); | |
| 710 Dart_Handle res; | |
| 711 Dart_StackTrace stack_trace; | |
| 712 res = Dart_GetStackTrace(&stack_trace); | |
| 713 ASSERT_NOT_ERROR(res); | |
| 714 intptr_t trace_length = 0; | |
| 715 res = Dart_StackTraceLength(stack_trace, &trace_length); | |
| 716 ASSERT_NOT_ERROR(res); | |
| 717 if (frame_index >= trace_length) { | |
| 718 in_msg->SendErrorReply(msg_id, "illegal frame index"); | |
| 719 return false; | |
| 720 } | |
| 721 res = Dart_GetActivationFrame(stack_trace, frame_index, &frame); | |
| 722 ASSERT_NOT_ERROR(res); | |
| 723 } else { | |
| 724 in_msg->SendErrorReply(msg_id, "illegal evaluation target"); | |
| 725 return false; | |
| 726 } | |
| 727 | |
| 728 char* expr_chars = msg_parser.GetStringParam("expression"); | |
| 729 Dart_Handle expr = Dart_NewStringFromCString(expr_chars); | |
| 730 if (Dart_IsError(expr)) { | |
| 731 in_msg->SendErrorReply(msg_id, Dart_GetError(expr)); | |
| 732 return false; | |
| 733 } | |
| 734 | |
| 735 Dart_Handle eval_result = Dart_Null(); | |
| 736 if (frame != NULL) { | |
| 737 eval_result = Dart_ActivationFrameEvaluate(frame, expr); | |
| 738 } else { | |
| 739 if (Dart_IsError(target)) { | |
| 740 in_msg->SendErrorReply(msg_id, Dart_GetError(target)); | |
| 741 return false; | |
| 742 } | |
| 743 eval_result = Dart_EvaluateExpr(target, expr); | |
| 744 } | |
| 745 if (Dart_IsError(eval_result)) { | |
| 746 in_msg->SendErrorReply(msg_id, Dart_GetError(eval_result)); | |
| 747 return false; | |
| 748 } | |
| 749 | |
| 750 dart::TextBuffer msg(64); | |
| 751 msg.Printf("{\"id\":%d, \"result\":", msg_id); | |
| 752 FormatRemoteObj(&msg, eval_result); | |
| 753 msg.Printf("}"); | |
| 754 in_msg->SendReply(&msg); | |
| 755 return false; | |
| 756 } | |
| 757 | |
| 758 | |
| 759 bool DbgMessage::HandleGetObjPropsCmd(DbgMessage* in_msg) { | |
| 760 ASSERT(in_msg != NULL); | |
| 761 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 762 int msg_id = msg_parser.MessageId(); | |
| 763 intptr_t obj_id = msg_parser.GetIntParam("objectId"); | |
| 764 Dart_Handle obj = Dart_GetCachedObject(obj_id); | |
| 765 if (Dart_IsError(obj)) { | |
| 766 in_msg->SendErrorReply(msg_id, Dart_GetError(obj)); | |
| 767 return false; | |
| 768 } | |
| 769 dart::TextBuffer msg(64); | |
| 770 msg.Printf("{\"id\":%d, \"result\":", msg_id); | |
| 771 const char* err = FormatObjProps(&msg, obj); | |
| 772 if (err != NULL) { | |
| 773 in_msg->SendErrorReply(msg_id, err); | |
| 774 return false; | |
| 775 } | |
| 776 msg.Printf("}"); | |
| 777 in_msg->SendReply(&msg); | |
| 778 return false; | |
| 779 } | |
| 780 | |
| 781 | |
| 782 bool DbgMessage::HandleGetListCmd(DbgMessage* in_msg) { | |
| 783 const intptr_t kDefaultSliceLength = 100; | |
| 784 ASSERT(in_msg != NULL); | |
| 785 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 786 int msg_id = msg_parser.MessageId(); | |
| 787 intptr_t obj_id = msg_parser.GetIntParam("objectId"); | |
| 788 Dart_Handle list = Dart_GetCachedObject(obj_id); | |
| 789 if (Dart_IsError(list)) { | |
| 790 in_msg->SendErrorReply(msg_id, Dart_GetError(list)); | |
| 791 return false; | |
| 792 } | |
| 793 if (!Dart_IsList(list)) { | |
| 794 in_msg->SendErrorReply(msg_id, "object is not a list"); | |
| 795 return false; | |
| 796 } | |
| 797 intptr_t list_length = 0; | |
| 798 Dart_Handle res = Dart_ListLength(list, &list_length); | |
| 799 if (Dart_IsError(res)) { | |
| 800 in_msg->SendErrorReply(msg_id, Dart_GetError(res)); | |
| 801 return false; | |
| 802 } | |
| 803 | |
| 804 intptr_t index = msg_parser.GetIntParam("index"); | |
| 805 if (index < 0) { | |
| 806 index = 0; | |
| 807 } else if (index > list_length) { | |
| 808 index = list_length; | |
| 809 } | |
| 810 | |
| 811 // If no slice length is given, get only one element. If slice length | |
| 812 // is given as 0, get entire list. | |
| 813 intptr_t slice_length = msg_parser.GetOptIntParam("length", 1); | |
| 814 if (slice_length == 0) { | |
| 815 slice_length = list_length - index; | |
| 816 } | |
| 817 if ((index + slice_length) > list_length) { | |
| 818 slice_length = list_length - index; | |
| 819 } | |
| 820 ASSERT(slice_length >= 0); | |
| 821 if (slice_length > kDefaultSliceLength) { | |
| 822 slice_length = kDefaultSliceLength; | |
| 823 } | |
| 824 dart::TextBuffer msg(64); | |
| 825 msg.Printf("{\"id\":%d, \"result\":", msg_id); | |
| 826 if (slice_length == 1) { | |
| 827 Dart_Handle value = Dart_ListGetAt(list, index); | |
| 828 FormatRemoteObj(&msg, value); | |
| 829 } else { | |
| 830 FormatListSlice(&msg, list, list_length, index, slice_length); | |
| 831 } | |
| 832 msg.Printf("}"); | |
| 833 in_msg->SendReply(&msg); | |
| 834 return false; | |
| 835 } | |
| 836 | |
| 837 | |
| 838 bool DbgMessage::HandleGetGlobalsCmd(DbgMessage* in_msg) { | |
| 839 ASSERT(in_msg != NULL); | |
| 840 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 841 int msg_id = msg_parser.MessageId(); | |
| 842 intptr_t lib_id = msg_parser.GetIntParam("libraryId"); | |
| 843 dart::TextBuffer msg(64); | |
| 844 msg.Printf("{\"id\":%d, \"result\": { \"globals\":", msg_id); | |
| 845 Dart_Handle globals = Dart_GetGlobalVariables(lib_id); | |
| 846 ASSERT_NOT_ERROR(globals); | |
| 847 FormatNamedValueList(&msg, globals); | |
| 848 msg.Printf("}}"); | |
| 849 in_msg->SendReply(&msg); | |
| 850 return false; | |
| 851 } | |
| 852 | |
| 853 | |
| 854 bool DbgMessage::HandleGetScriptURLsCmd(DbgMessage* in_msg) { | |
| 855 ASSERT(in_msg != NULL); | |
| 856 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 857 int msg_id = msg_parser.MessageId(); | |
| 858 dart::TextBuffer msg(64); | |
| 859 intptr_t lib_id = msg_parser.GetIntParam("libraryId"); | |
| 860 Dart_Handle lib_url = Dart_GetLibraryURL(lib_id); | |
| 861 ASSERT_NOT_ERROR(lib_url); | |
| 862 Dart_Handle urls = Dart_GetScriptURLs(lib_url); | |
| 863 if (Dart_IsError(urls)) { | |
| 864 in_msg->SendErrorReply(msg_id, Dart_GetError(urls)); | |
| 865 return false; | |
| 866 } | |
| 867 ASSERT(Dart_IsList(urls)); | |
| 868 intptr_t num_urls = 0; | |
| 869 Dart_ListLength(urls, &num_urls); | |
| 870 msg.Printf("{ \"id\": %d, ", msg_id); | |
| 871 msg.Printf("\"result\": { \"urls\": ["); | |
| 872 for (int i = 0; i < num_urls; i++) { | |
| 873 Dart_Handle script_url = Dart_ListGetAt(urls, i); | |
| 874 if (i > 0) { | |
| 875 msg.Printf(","); | |
| 876 } | |
| 877 FormatEncodedString(&msg, script_url); | |
| 878 } | |
| 879 msg.Printf("]}}"); | |
| 880 in_msg->SendReply(&msg); | |
| 881 return false; | |
| 882 } | |
| 883 | |
| 884 | |
| 885 bool DbgMessage::HandleGetSourceCmd(DbgMessage* in_msg) { | |
| 886 ASSERT(in_msg != NULL); | |
| 887 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 888 int msg_id = msg_parser.MessageId(); | |
| 889 dart::TextBuffer msg(64); | |
| 890 intptr_t lib_id = msg_parser.GetIntParam("libraryId"); | |
| 891 char* url_chars = msg_parser.GetStringParam("url"); | |
| 892 ASSERT(url_chars != NULL); | |
| 893 Dart_Handle url = DartUtils::NewString(url_chars); | |
| 894 ASSERT_NOT_ERROR(url); | |
| 895 free(url_chars); | |
| 896 url_chars = NULL; | |
| 897 Dart_Handle source = Dart_ScriptGetSource(lib_id, url); | |
| 898 if (Dart_IsError(source)) { | |
| 899 in_msg->SendErrorReply(msg_id, Dart_GetError(source)); | |
| 900 return false; | |
| 901 } | |
| 902 msg.Printf("{ \"id\": %d, ", msg_id); | |
| 903 msg.Printf("\"result\": { \"text\": "); | |
| 904 FormatEncodedString(&msg, source); | |
| 905 msg.Printf("}}"); | |
| 906 in_msg->SendReply(&msg); | |
| 907 return false; | |
| 908 } | |
| 909 | |
| 910 | |
| 911 bool DbgMessage::HandleGetLineNumbersCmd(DbgMessage* in_msg) { | |
| 912 ASSERT(in_msg != NULL); | |
| 913 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 914 int msg_id = msg_parser.MessageId(); | |
| 915 dart::TextBuffer msg(64); | |
| 916 intptr_t lib_id = msg_parser.GetIntParam("libraryId"); | |
| 917 char* url_chars = msg_parser.GetStringParam("url"); | |
| 918 ASSERT(url_chars != NULL); | |
| 919 Dart_Handle url = DartUtils::NewString(url_chars); | |
| 920 ASSERT_NOT_ERROR(url); | |
| 921 free(url_chars); | |
| 922 url_chars = NULL; | |
| 923 Dart_Handle info = Dart_ScriptGetTokenInfo(lib_id, url); | |
| 924 if (Dart_IsError(info)) { | |
| 925 in_msg->SendErrorReply(msg_id, Dart_GetError(info)); | |
| 926 return false; | |
| 927 } | |
| 928 ASSERT(Dart_IsList(info)); | |
| 929 intptr_t info_len = 0; | |
| 930 Dart_Handle res = Dart_ListLength(info, &info_len); | |
| 931 ASSERT_NOT_ERROR(res); | |
| 932 msg.Printf("{ \"id\": %d, ", msg_id); | |
| 933 msg.Printf("\"result\": { \"lines\": ["); | |
| 934 Dart_Handle elem; | |
| 935 intptr_t num_elems = 0; | |
| 936 for (intptr_t i = 0; i < info_len; i++) { | |
| 937 elem = Dart_ListGetAt(info, i); | |
| 938 if (Dart_IsNull(elem)) { | |
| 939 msg.Printf((i == 0) ? "[" : "], ["); | |
| 940 num_elems = 0; | |
| 941 } else { | |
| 942 ASSERT(Dart_IsInteger(elem)); | |
| 943 int64_t value = GetIntValue(elem); | |
| 944 if (num_elems == 0) { | |
| 945 msg.Printf("%" Pd64 "", value); | |
| 946 } else { | |
| 947 msg.Printf(",%" Pd64 "", value); | |
| 948 } | |
| 949 num_elems++; | |
| 950 } | |
| 951 } | |
| 952 msg.Printf("]]}}"); | |
| 953 in_msg->SendReply(&msg); | |
| 954 return false; | |
| 955 } | |
| 956 | |
| 957 | |
| 958 bool DbgMessage::HandleGetStackTraceCmd(DbgMessage* in_msg) { | |
| 959 ASSERT(in_msg != NULL); | |
| 960 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 961 int msg_id = msg_parser.MessageId(); | |
| 962 Dart_StackTrace trace; | |
| 963 Dart_Handle res = Dart_GetStackTrace(&trace); | |
| 964 ASSERT_NOT_ERROR(res); | |
| 965 dart::TextBuffer msg(128); | |
| 966 msg.Printf("{ \"id\": %d, \"result\": {", msg_id); | |
| 967 FormatCallFrames(&msg, trace); | |
| 968 msg.Printf("}}"); | |
| 969 in_msg->SendReply(&msg); | |
| 970 return false; | |
| 971 } | |
| 972 | |
| 973 | |
| 974 bool DbgMessage::HandleSetBpCmd(DbgMessage* in_msg) { | |
| 975 ASSERT(in_msg != NULL); | |
| 976 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 977 int msg_id = msg_parser.MessageId(); | |
| 978 char* url_chars = msg_parser.GetStringParam("url"); | |
| 979 ASSERT(url_chars != NULL); | |
| 980 Dart_Handle url = DartUtils::NewString(url_chars); | |
| 981 ASSERT_NOT_ERROR(url); | |
| 982 free(url_chars); | |
| 983 url_chars = NULL; | |
| 984 intptr_t line_number = msg_parser.GetIntParam("line"); | |
| 985 Dart_Handle bp_id = Dart_SetBreakpoint(url, line_number); | |
| 986 if (Dart_IsError(bp_id)) { | |
| 987 in_msg->SendErrorReply(msg_id, Dart_GetError(bp_id)); | |
| 988 return false; | |
| 989 } | |
| 990 ASSERT(Dart_IsInteger(bp_id)); | |
| 991 uint64_t bp_id_value; | |
| 992 Dart_Handle res = Dart_IntegerToUint64(bp_id, &bp_id_value); | |
| 993 ASSERT_NOT_ERROR(res); | |
| 994 dart::TextBuffer msg(64); | |
| 995 msg.Printf("{ \"id\": %d, \"result\": { \"breakpointId\": %" Pu64 " }}", | |
| 996 msg_id, bp_id_value); | |
| 997 in_msg->SendReply(&msg); | |
| 998 return false; | |
| 999 } | |
| 1000 | |
| 1001 | |
| 1002 bool DbgMessage::HandlePauseOnExcCmd(DbgMessage* in_msg) { | |
| 1003 ASSERT(in_msg != NULL); | |
| 1004 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 1005 int msg_id = msg_parser.MessageId(); | |
| 1006 char* exc_chars = msg_parser.GetStringParam("exceptions"); | |
| 1007 Dart_ExceptionPauseInfo info = kNoPauseOnExceptions; | |
| 1008 if (strcmp(exc_chars, "none") == 0) { | |
| 1009 info = kNoPauseOnExceptions; | |
| 1010 } else if (strcmp(exc_chars, "all") == 0) { | |
| 1011 info = kPauseOnAllExceptions; | |
| 1012 } else if (strcmp(exc_chars, "unhandled") == 0) { | |
| 1013 info = kPauseOnUnhandledExceptions; | |
| 1014 } else { | |
| 1015 in_msg->SendErrorReply(msg_id, "illegal value for parameter 'exceptions'"); | |
| 1016 return false; | |
| 1017 } | |
| 1018 Dart_Handle res = Dart_SetExceptionPauseInfo(info); | |
| 1019 ASSERT_NOT_ERROR(res); | |
| 1020 dart::TextBuffer msg(32); | |
| 1021 msg.Printf("{ \"id\": %d }", msg_id); | |
| 1022 in_msg->SendReply(&msg); | |
| 1023 return false; | |
| 1024 } | |
| 1025 | |
| 1026 | |
| 1027 bool DbgMessage::HandleRemBpCmd(DbgMessage* in_msg) { | |
| 1028 ASSERT(in_msg != NULL); | |
| 1029 MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len()); | |
| 1030 int msg_id = msg_parser.MessageId(); | |
| 1031 int bpt_id = msg_parser.GetIntParam("breakpointId"); | |
| 1032 Dart_Handle res = Dart_RemoveBreakpoint(bpt_id); | |
| 1033 if (Dart_IsError(res)) { | |
| 1034 in_msg->SendErrorReply(msg_id, Dart_GetError(res)); | |
| 1035 return false; | |
| 1036 } | |
| 1037 dart::TextBuffer msg(32); | |
| 1038 msg.Printf("{ \"id\": %d }", msg_id); | |
| 1039 in_msg->SendReply(&msg); | |
| 1040 return false; | |
| 1041 } | |
| 1042 | |
| 1043 | |
| 1044 void DbgMsgQueue::AddMessage(int32_t cmd_idx, | |
| 1045 const char* start, | |
| 1046 const char* end, | |
| 1047 intptr_t debug_fd) { | |
| 1048 if ((end > start) && ((end - start) < kMaxInt32)) { | |
| 1049 MonitorLocker ml(&msg_queue_lock_); | |
| 1050 DbgMessage* msg = new DbgMessage(cmd_idx, start, end, debug_fd); | |
| 1051 if (msglist_head_ == NULL) { | |
| 1052 ASSERT(msglist_tail_ == NULL); | |
| 1053 msglist_head_ = msg; | |
| 1054 msglist_tail_ = msg; | |
| 1055 ml.Notify(); | |
| 1056 } else { | |
| 1057 ASSERT(msglist_tail_ != NULL); | |
| 1058 msglist_tail_->set_next(msg); | |
| 1059 msglist_tail_ = msg; | |
| 1060 } | |
| 1061 } | |
| 1062 } | |
| 1063 | |
| 1064 | |
| 1065 void DbgMsgQueue::Notify() { | |
| 1066 MonitorLocker ml(&msg_queue_lock_); | |
| 1067 ml.Notify(); | |
| 1068 } | |
| 1069 | |
| 1070 | |
| 1071 bool DbgMsgQueue::HandlePendingMessages() { | |
| 1072 // Handle all available debug messages, up to a resume request. | |
| 1073 bool resume_requested = false; | |
| 1074 while (msglist_head_ != NULL && !resume_requested) { | |
| 1075 ASSERT(msglist_tail_ != NULL); | |
| 1076 DbgMessage* msg = msglist_head_; | |
| 1077 msglist_head_ = msglist_head_->next(); | |
| 1078 if (msglist_head_ == NULL) { | |
| 1079 msglist_tail_ = NULL; | |
| 1080 } | |
| 1081 resume_requested = msg->HandleMessage(); | |
| 1082 delete msg; | |
| 1083 } | |
| 1084 return resume_requested; | |
| 1085 } | |
| 1086 | |
| 1087 | |
| 1088 void DbgMsgQueue::MessageLoop() { | |
| 1089 MonitorLocker ml(&msg_queue_lock_); | |
| 1090 is_running_ = false; | |
| 1091 | |
| 1092 // Request notification on isolate messages. This allows us to | |
| 1093 // respond to vm service messages while at breakpoint. | |
| 1094 Dart_SetMessageNotifyCallback(DbgMsgQueueList::NotifyIsolate); | |
| 1095 | |
| 1096 while (true) { | |
| 1097 // Handle all available vm service messages, up to a resume | |
| 1098 // request. | |
| 1099 bool resume = false; | |
| 1100 while (!resume && Dart_HasServiceMessages()) { | |
| 1101 msg_queue_lock_.Exit(); | |
| 1102 resume = Dart_HandleServiceMessages(); | |
| 1103 msg_queue_lock_.Enter(); | |
| 1104 } | |
| 1105 if (resume) { | |
| 1106 break; | |
| 1107 } | |
| 1108 | |
| 1109 // Handle all available debug messages, up to a resume request. | |
| 1110 if (HandlePendingMessages()) { | |
| 1111 break; | |
| 1112 } | |
| 1113 | |
| 1114 // Wait for more debug or vm service messages. | |
| 1115 Monitor::WaitResult res = ml.Wait(); | |
| 1116 ASSERT(res == Monitor::kNotified); | |
| 1117 } | |
| 1118 Dart_SetMessageNotifyCallback(NULL); | |
| 1119 is_interrupted_ = false; | |
| 1120 is_running_ = true; | |
| 1121 } | |
| 1122 | |
| 1123 | |
| 1124 void DbgMsgQueue::InterruptIsolate() { | |
| 1125 Dart_Isolate isolate = Dart_GetIsolate(isolate_id_); | |
| 1126 MonitorLocker ml(&msg_queue_lock_); | |
| 1127 if (is_running_ && !is_interrupted_) { | |
| 1128 is_interrupted_ = true; | |
| 1129 Dart_InterruptIsolate(isolate); | |
| 1130 } | |
| 1131 } | |
| 1132 | |
| 1133 | |
| 1134 void DbgMsgQueue::QueueOutputMsg(dart::TextBuffer* msg) { | |
| 1135 queued_output_messages_.Printf("%s", msg->buf()); | |
| 1136 } | |
| 1137 | |
| 1138 | |
| 1139 void DbgMsgQueue::SendQueuedMsgs() { | |
| 1140 if (queued_output_messages_.length() > 0) { | |
| 1141 DebuggerConnectionHandler::BroadcastMsg(&queued_output_messages_); | |
| 1142 queued_output_messages_.Clear(); | |
| 1143 } | |
| 1144 } | |
| 1145 | |
| 1146 | |
| 1147 void DbgMsgQueue::SendBreakpointEvent(intptr_t bp_id, | |
| 1148 const Dart_CodeLocation& location) { | |
| 1149 dart::TextBuffer msg(128); | |
| 1150 msg.Printf("{ \"event\": \"paused\", \"params\": { "); | |
| 1151 msg.Printf("\"reason\": \"breakpoint\", "); | |
| 1152 msg.Printf("\"isolateId\": %" Pd64 "", isolate_id_); | |
| 1153 if (bp_id != ILLEGAL_BREAKPOINT_ID) { | |
| 1154 msg.Printf(",\"breakpointId\": %" Pd "", bp_id); | |
| 1155 } | |
| 1156 if (!Dart_IsNull(location.script_url)) { | |
| 1157 ASSERT(Dart_IsString(location.script_url)); | |
| 1158 msg.Printf(",\"location\": { \"url\":"); | |
| 1159 FormatEncodedString(&msg, location.script_url); | |
| 1160 msg.Printf(",\"libraryId\":%d,", location.library_id); | |
| 1161 msg.Printf("\"tokenOffset\":%d}", location.token_pos); | |
| 1162 } | |
| 1163 msg.Printf("}}"); | |
| 1164 DebuggerConnectionHandler::BroadcastMsg(&msg); | |
| 1165 } | |
| 1166 | |
| 1167 | |
| 1168 // TODO(hausner): Remove stack trace parameter once we remove the stack | |
| 1169 // trace from the paused event in the wire protocol. | |
| 1170 void DbgMsgQueue::SendExceptionEvent(Dart_Handle exception, | |
| 1171 Dart_StackTrace stack_trace) { | |
| 1172 intptr_t exception_id = Dart_CacheObject(exception); | |
| 1173 ASSERT(exception_id >= 0); | |
| 1174 dart::TextBuffer msg(128); | |
| 1175 msg.Printf("{ \"event\": \"paused\", \"params\": {"); | |
| 1176 msg.Printf("\"reason\": \"exception\", "); | |
| 1177 msg.Printf("\"isolateId\": %" Pd64 ", ", isolate_id_); | |
| 1178 msg.Printf("\"exception\":"); | |
| 1179 FormatRemoteObj(&msg, exception); | |
| 1180 FormatLocationFromTrace(&msg, stack_trace, ", "); | |
| 1181 msg.Printf("}}"); | |
| 1182 DebuggerConnectionHandler::BroadcastMsg(&msg); | |
| 1183 } | |
| 1184 | |
| 1185 | |
| 1186 // TODO(hausner): Remove stack trace parameter once we remove the stack | |
| 1187 // trace from the interrupted event in the wire protocol. | |
| 1188 void DbgMsgQueue::SendIsolateEvent(Dart_IsolateId isolate_id, | |
| 1189 Dart_IsolateEvent kind) { | |
| 1190 dart::TextBuffer msg(128); | |
| 1191 if (kind == kInterrupted) { | |
| 1192 Dart_StackTrace trace; | |
| 1193 Dart_Handle res = Dart_GetStackTrace(&trace); | |
| 1194 ASSERT_NOT_ERROR(res); | |
| 1195 msg.Printf("{ \"event\": \"paused\", \"params\": { "); | |
| 1196 msg.Printf("\"reason\": \"interrupted\", "); | |
| 1197 msg.Printf("\"isolateId\": %" Pd64 "", isolate_id); | |
| 1198 FormatLocationFromTrace(&msg, trace, ", "); | |
| 1199 msg.Printf("}}"); | |
| 1200 } else { | |
| 1201 msg.Printf("{ \"event\": \"isolate\", \"params\": { "); | |
| 1202 if (kind == kCreated) { | |
| 1203 msg.Printf("\"reason\": \"created\", "); | |
| 1204 } else { | |
| 1205 ASSERT(kind == kShutdown); | |
| 1206 msg.Printf("\"reason\": \"shutdown\", "); | |
| 1207 } | |
| 1208 msg.Printf("\"id\": %" Pd64 " ", isolate_id); | |
| 1209 msg.Printf("}}"); | |
| 1210 } | |
| 1211 DebuggerConnectionHandler::BroadcastMsg(&msg); | |
| 1212 } | |
| 1213 | |
| 1214 | |
| 1215 DbgMsgQueue* DbgMsgQueueList::list_ = NULL; | |
| 1216 Mutex* DbgMsgQueueList::msg_queue_list_lock_ = new Mutex(); | |
| 1217 | |
| 1218 | |
| 1219 void DbgMsgQueueList::Initialize() { | |
| 1220 // Setup handlers for isolate events, breakpoints, exceptions and | |
| 1221 // delayed breakpoints. | |
| 1222 Dart_SetIsolateEventHandler(IsolateEventHandler); | |
| 1223 Dart_SetPausedEventHandler(PausedEventHandler); | |
| 1224 Dart_SetBreakpointResolvedHandler(BptResolvedHandler); | |
| 1225 Dart_SetExceptionThrownHandler(ExceptionThrownHandler); | |
| 1226 } | |
| 1227 | |
| 1228 | |
| 1229 int32_t DbgMsgQueueList::LookupIsolateCommand(const char* buf, | |
| 1230 int32_t buflen) { | |
| 1231 // Check if we have a isolate specific debugger command. | |
| 1232 int32_t i = 0; | |
| 1233 while (debugger_commands[i].cmd_string != NULL) { | |
| 1234 if (strncmp(buf, debugger_commands[i].cmd_string, buflen) == 0) { | |
| 1235 return i; | |
| 1236 } | |
| 1237 i++; | |
| 1238 } | |
| 1239 return kInvalidCommand; | |
| 1240 } | |
| 1241 | |
| 1242 | |
| 1243 bool DbgMsgQueueList::AddIsolateMessage(Dart_IsolateId isolate_id, | |
| 1244 int32_t cmd_idx, | |
| 1245 const char* start, | |
| 1246 const char* end, | |
| 1247 intptr_t debug_fd) { | |
| 1248 MutexLocker ml(msg_queue_list_lock_); | |
| 1249 DbgMsgQueue* queue = DbgMsgQueueList::GetIsolateMsgQueueLocked(isolate_id); | |
| 1250 if (queue != NULL) { | |
| 1251 queue->AddMessage(cmd_idx, start, end, debug_fd); | |
| 1252 return true; | |
| 1253 } | |
| 1254 return false; | |
| 1255 } | |
| 1256 | |
| 1257 | |
| 1258 void DbgMsgQueueList::NotifyIsolate(Dart_Isolate isolate) { | |
| 1259 MutexLocker ml(msg_queue_list_lock_); | |
| 1260 Dart_IsolateId isolate_id = Dart_GetIsolateId(isolate); | |
| 1261 DbgMsgQueue* queue = DbgMsgQueueList::GetIsolateMsgQueueLocked(isolate_id); | |
| 1262 if (queue != NULL) { | |
| 1263 queue->Notify(); | |
| 1264 } | |
| 1265 } | |
| 1266 | |
| 1267 | |
| 1268 bool DbgMsgQueueList::InterruptIsolate(Dart_IsolateId isolate_id) { | |
| 1269 MutexLocker ml(msg_queue_list_lock_); | |
| 1270 DbgMsgQueue* queue = DbgMsgQueueList::GetIsolateMsgQueueLocked(isolate_id); | |
| 1271 if (queue != NULL) { | |
| 1272 queue->InterruptIsolate(); | |
| 1273 return true; | |
| 1274 } | |
| 1275 return false; | |
| 1276 } | |
| 1277 | |
| 1278 | |
| 1279 DbgMsgQueue* DbgMsgQueueList::AddIsolateMsgQueue(Dart_IsolateId isolate_id) { | |
| 1280 MutexLocker ml(msg_queue_list_lock_); | |
| 1281 | |
| 1282 DbgMsgQueue* queue = new DbgMsgQueue(isolate_id, list_); | |
| 1283 ASSERT(queue != NULL); | |
| 1284 list_ = queue; | |
| 1285 return queue; | |
| 1286 } | |
| 1287 | |
| 1288 | |
| 1289 DbgMsgQueue* DbgMsgQueueList::GetIsolateMsgQueue(Dart_IsolateId isolate_id) { | |
| 1290 MutexLocker ml(msg_queue_list_lock_); | |
| 1291 ASSERT(Dart_GetIsolate(isolate_id) == Dart_CurrentIsolate()); | |
| 1292 return GetIsolateMsgQueueLocked(isolate_id); | |
| 1293 } | |
| 1294 | |
| 1295 | |
| 1296 DbgMsgQueue* DbgMsgQueueList::GetIsolateMsgQueueLocked(Dart_IsolateId id) { | |
| 1297 if (list_ == NULL) { | |
| 1298 return NULL; // No items in the list. | |
| 1299 } | |
| 1300 | |
| 1301 // Find message queue corresponding to isolate id. | |
| 1302 DbgMsgQueue* iterator = list_; | |
| 1303 while (iterator != NULL && iterator->isolate_id() != id) { | |
| 1304 iterator = iterator->next(); | |
| 1305 } | |
| 1306 return iterator; | |
| 1307 } | |
| 1308 | |
| 1309 | |
| 1310 void DbgMsgQueueList::RemoveIsolateMsgQueue(Dart_IsolateId isolate_id) { | |
| 1311 MutexLocker ml(msg_queue_list_lock_); | |
| 1312 if (list_ == NULL) { | |
| 1313 return; // No items in the list. | |
| 1314 } | |
| 1315 DbgMsgQueue* queue = list_; | |
| 1316 if (queue->isolate_id() == isolate_id) { | |
| 1317 list_ = queue->next(); // Remove from list. | |
| 1318 delete queue; // Delete the message queue. | |
| 1319 return; | |
| 1320 } else { | |
| 1321 DbgMsgQueue* iterator = queue; | |
| 1322 queue = queue->next(); | |
| 1323 while (queue != NULL) { | |
| 1324 if (queue->isolate_id() == isolate_id) { | |
| 1325 iterator->set_next(queue->next()); // Remove from list. | |
| 1326 delete queue; // Delete the message queue. | |
| 1327 return; | |
| 1328 } | |
| 1329 iterator = queue; | |
| 1330 queue = queue->next(); | |
| 1331 } | |
| 1332 } | |
| 1333 UNREACHABLE(); | |
| 1334 } | |
| 1335 | |
| 1336 | |
| 1337 void DbgMsgQueueList::ListIsolateIds(dart::TextBuffer* msg) { | |
| 1338 MutexLocker ml(msg_queue_list_lock_); | |
| 1339 if (list_ == NULL) { | |
| 1340 return; // No items in the list. | |
| 1341 } | |
| 1342 DbgMsgQueue* queue = list_; | |
| 1343 msg->Printf("%" Pd64 "", queue->isolate_id()); | |
| 1344 queue = queue->next(); | |
| 1345 while (queue != NULL) { | |
| 1346 msg->Printf(",%" Pd64 "", queue->isolate_id()); | |
| 1347 queue = queue->next(); | |
| 1348 } | |
| 1349 } | |
| 1350 | |
| 1351 | |
| 1352 void DbgMsgQueueList::BptResolvedHandler(Dart_IsolateId isolate_id, | |
| 1353 intptr_t bp_id, | |
| 1354 const Dart_CodeLocation& location) { | |
| 1355 Dart_EnterScope(); | |
| 1356 dart::TextBuffer msg(128); | |
| 1357 msg.Printf("{ \"event\": \"breakpointResolved\", \"params\": {"); | |
| 1358 msg.Printf("\"breakpointId\": %" Pd "", bp_id); | |
| 1359 | |
| 1360 msg.Printf(", \"isolateId\":%" Pd64 "", isolate_id); | |
| 1361 ASSERT(!Dart_IsNull(location.script_url)); | |
| 1362 ASSERT(Dart_IsString(location.script_url)); | |
| 1363 msg.Printf(", \"location\":{\"url\":"); | |
| 1364 FormatEncodedString(&msg, location.script_url); | |
| 1365 msg.Printf(",\"libraryId\":%d", location.library_id); | |
| 1366 msg.Printf(",\"tokenOffset\":%d}}}", location.token_pos); | |
| 1367 | |
| 1368 DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id); | |
| 1369 ASSERT(msg_queue != NULL); | |
| 1370 msg_queue->QueueOutputMsg(&msg); | |
| 1371 Dart_ExitScope(); | |
| 1372 } | |
| 1373 | |
| 1374 | |
| 1375 void DbgMsgQueueList::PausedEventHandler(Dart_IsolateId isolate_id, | |
| 1376 intptr_t bp_id, | |
| 1377 const Dart_CodeLocation& loc) { | |
| 1378 DebuggerConnectionHandler::WaitForConnection(); | |
| 1379 Dart_EnterScope(); | |
| 1380 DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id); | |
| 1381 ASSERT(msg_queue != NULL); | |
| 1382 msg_queue->SendQueuedMsgs(); | |
| 1383 msg_queue->SendBreakpointEvent(bp_id, loc); | |
| 1384 msg_queue->MessageLoop(); | |
| 1385 Dart_ExitScope(); | |
| 1386 } | |
| 1387 | |
| 1388 | |
| 1389 void DbgMsgQueueList::ExceptionThrownHandler(Dart_IsolateId isolate_id, | |
| 1390 Dart_Handle exception, | |
| 1391 Dart_StackTrace stack_trace) { | |
| 1392 DebuggerConnectionHandler::WaitForConnection(); | |
| 1393 Dart_EnterScope(); | |
| 1394 DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id); | |
| 1395 ASSERT(msg_queue != NULL); | |
| 1396 msg_queue->SendQueuedMsgs(); | |
| 1397 msg_queue->SendExceptionEvent(exception, stack_trace); | |
| 1398 msg_queue->MessageLoop(); | |
| 1399 Dart_ExitScope(); | |
| 1400 } | |
| 1401 | |
| 1402 | |
| 1403 void DbgMsgQueueList::IsolateEventHandler(Dart_IsolateId isolate_id, | |
| 1404 Dart_IsolateEvent kind) { | |
| 1405 if (kind == kCreated) { | |
| 1406 DebuggerConnectionHandler::WaitForConnection(); | |
| 1407 Dart_EnterScope(); | |
| 1408 DbgMsgQueue* msg_queue = AddIsolateMsgQueue(isolate_id); | |
| 1409 msg_queue->SendIsolateEvent(isolate_id, kind); | |
| 1410 Dart_ExitScope(); | |
| 1411 } else { | |
| 1412 DebuggerConnectionHandler::WaitForConnection(); | |
| 1413 DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id); | |
| 1414 ASSERT(msg_queue != NULL); | |
| 1415 Dart_EnterScope(); | |
| 1416 msg_queue->SendQueuedMsgs(); | |
| 1417 msg_queue->SendIsolateEvent(isolate_id, kind); | |
| 1418 if (kind == kInterrupted) { | |
| 1419 msg_queue->MessageLoop(); | |
| 1420 } else { | |
| 1421 ASSERT(kind == kShutdown); | |
| 1422 RemoveIsolateMsgQueue(isolate_id); | |
| 1423 } | |
| 1424 Dart_ExitScope(); | |
| 1425 // If there is no receive message queue, do not wait for a connection, and | |
| 1426 // ignore the message. | |
| 1427 } | |
| 1428 } | |
| 1429 | |
| 1430 } // namespace bin | |
| 1431 } // namespace dart | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1497033003:
- Remove the legacy debug protocol. (Closed)
Base URL: git@github.com:dart-lang/sdk.git@master