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Unified Diff: runtime/bin/dbg_message.cc

Issue 1497033003: - Remove the legacy debug protocol. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 5 years ago
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Index: runtime/bin/dbg_message.cc
diff --git a/runtime/bin/dbg_message.cc b/runtime/bin/dbg_message.cc
deleted file mode 100644
index d0f13d783fce0fdc892cde9237790a333c6b3ed4..0000000000000000000000000000000000000000
--- a/runtime/bin/dbg_message.cc
+++ /dev/null
@@ -1,1431 +0,0 @@
-// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-#include "bin/dbg_connection.h"
-#include "bin/dbg_message.h"
-#include "bin/dartutils.h"
-#include "bin/lockers.h"
-#include "bin/thread.h"
-#include "bin/utils.h"
-
-#include "platform/globals.h"
-#include "platform/json.h"
-#include "platform/utils.h"
-
-#include "include/dart_api.h"
-
-
-namespace dart {
-namespace bin {
-
-bool MessageParser::IsValidMessage() const {
- if (buf_length_ == 0) {
- return false;
- }
- dart::JSONReader msg_reader(buf_);
- return msg_reader.EndOfObject() != NULL;
-}
-
-
-int MessageParser::MessageId() const {
- dart::JSONReader r(buf_);
- r.Seek("id");
- if (r.Type() == dart::JSONReader::kInteger) {
- return atoi(r.ValueChars());
- } else {
- return -1;
- }
-}
-
-
-const char* MessageParser::Params() const {
- dart::JSONReader r(buf_);
- r.Seek("params");
- if (r.Type() == dart::JSONReader::kObject) {
- return r.ValueChars();
- } else {
- return NULL;
- }
-}
-
-
-bool MessageParser::HasParam(const char* name) const {
- const char* params = Params();
- ASSERT(params != NULL);
- dart::JSONReader r(params);
- return r.Seek(name);
-}
-
-
-intptr_t MessageParser::GetIntParam(const char* name) const {
- const char* params = Params();
- ASSERT(params != NULL);
- dart::JSONReader r(params);
- r.Seek(name);
- ASSERT(r.Type() == dart::JSONReader::kInteger);
- return strtol(r.ValueChars(), NULL, 10);
-}
-
-
-int64_t MessageParser::GetInt64Param(const char* name) const {
- const char* params = Params();
- ASSERT(params != NULL);
- dart::JSONReader r(params);
- r.Seek(name);
- ASSERT(r.Type() == dart::JSONReader::kInteger);
- return strtoll(r.ValueChars(), NULL, 10);
-}
-
-
-intptr_t MessageParser::GetOptIntParam(const char* name,
- intptr_t default_val) const {
- const char* params = Params();
- ASSERT(params != NULL);
- dart::JSONReader r(params);
- r.Seek(name);
- if (r.Type() == dart::JSONReader::kInteger) {
- return strtol(r.ValueChars(), NULL, 10);
- } else {
- return default_val;
- }
-}
-
-
-static const char* GetStringChars(Dart_Handle str) {
- ASSERT(Dart_IsString(str));
- const char* chars;
- Dart_Handle res = Dart_StringToCString(str, &chars);
- ASSERT(!Dart_IsError(res));
- return chars;
-}
-
-
-static int64_t GetIntValue(Dart_Handle int_handle) {
- int64_t int64_val = -1;
- ASSERT(Dart_IsInteger(int_handle));
- Dart_Handle res = Dart_IntegerToInt64(int_handle, &int64_val);
- ASSERT_NOT_ERROR(res);
- return int64_val;
-}
-
-
-char* MessageParser::GetStringParam(const char* name) const {
- const char* params = Params();
- ASSERT(params != NULL);
- dart::JSONReader pr(params);
- pr.Seek(name);
- if (pr.Type() != dart::JSONReader::kString) {
- return NULL;
- }
- intptr_t buflen = pr.ValueLen() + 1;
- char* param_chars = reinterpret_cast<char*>(malloc(buflen));
- pr.GetDecodedValueChars(param_chars, buflen);
- return param_chars;
-}
-
-
-static void FormatEncodedCharsTrunc(dart::TextBuffer* buf,
- Dart_Handle str,
- intptr_t max_chars) {
- intptr_t str_len = 0;
- Dart_Handle res = Dart_StringLength(str, &str_len);
- ASSERT_NOT_ERROR(res);
- intptr_t num_chars = (str_len > max_chars) ? max_chars : str_len;
- uint16_t* codeunits =
- reinterpret_cast<uint16_t*>(malloc(num_chars * sizeof(uint16_t)));
- ASSERT(codeunits != NULL);
- intptr_t actual_len = num_chars;
- res = Dart_StringToUTF16(str, codeunits, &actual_len);
- ASSERT_NOT_ERROR(res);
- ASSERT(num_chars == actual_len);
- for (int i = 0; i < num_chars; i++) {
- buf->EscapeAndAddCodeUnit(codeunits[i]);
- }
- if (str_len > max_chars) {
- buf->Printf("...");
- }
- free(codeunits);
-}
-
-
-static void FormatEncodedChars(dart::TextBuffer* buf, Dart_Handle str) {
- intptr_t str_len = 0;
- Dart_Handle res = Dart_StringLength(str, &str_len);
- ASSERT_NOT_ERROR(res);
- uint16_t* codeunits =
- reinterpret_cast<uint16_t*>(malloc(str_len * sizeof(uint16_t)));
- ASSERT(codeunits != NULL);
- intptr_t actual_len = str_len;
- res = Dart_StringToUTF16(str, codeunits, &actual_len);
- ASSERT_NOT_ERROR(res);
- ASSERT(str_len == actual_len);
- for (int i = 0; i < str_len; i++) {
- buf->EscapeAndAddCodeUnit(codeunits[i]);
- }
- free(codeunits);
-}
-
-
-static void FormatEncodedString(dart::TextBuffer* buf, Dart_Handle str) {
- buf->AddChar('\"');
- FormatEncodedChars(buf, str);
- buf->AddChar('\"');
-}
-
-
-static void FormatTextualValue(dart::TextBuffer* buf,
- Dart_Handle object,
- intptr_t max_chars,
- bool expand_list);
-
-
-static void FormatTextualListValue(dart::TextBuffer* buf,
- Dart_Handle list,
- intptr_t max_chars) {
- intptr_t len = 0;
- Dart_Handle res = Dart_ListLength(list, &len);
- ASSERT_NOT_ERROR(res);
- const intptr_t initial_buffer_length = buf->length();
- // Maximum number of characters we print for array elements.
- const intptr_t max_buffer_length = initial_buffer_length + max_chars;
- buf->Printf("[");
- for (int i = 0; i < len; i++) {
- if (i > 0) {
- buf->Printf(", ");
- }
- Dart_Handle elem = Dart_ListGetAt(list, i);
- const intptr_t max_element_chars = 50;
- FormatTextualValue(buf, elem, max_element_chars, false);
- if (buf->length() > max_buffer_length) {
- buf->Printf(", ...");
- break;
- }
- }
- buf->Printf("]");
-}
-
-
-static void FormatTextualValue(dart::TextBuffer* buf,
- Dart_Handle object,
- intptr_t max_chars,
- bool expand_list) {
- ASSERT(!Dart_IsError(object));
- if (Dart_IsList(object)) {
- if (expand_list) {
- FormatTextualListValue(buf, object, max_chars);
- } else {
- buf->Printf("[...]");
- }
- } else if (Dart_IsNull(object)) {
- buf->Printf("null");
- } else if (Dart_IsString(object)) {
- buf->Printf("\\\"");
- FormatEncodedCharsTrunc(buf, object, max_chars);
- buf->Printf("\\\"");
- } else if (Dart_IsNumber(object) || Dart_IsBoolean(object)) {
- Dart_Handle text = Dart_ToString(object);
- ASSERT(!Dart_IsNull(text) && !Dart_IsError(text));
- FormatEncodedCharsTrunc(buf, text, max_chars);
- } else {
- Dart_Handle type = Dart_InstanceGetType(object);
- ASSERT_NOT_ERROR(type);
- type = Dart_ToString(type);
- ASSERT_NOT_ERROR(type);
- buf->Printf("object of type ");
- FormatEncodedCharsTrunc(buf, type, max_chars);
- }
-}
-
-
-static void FormatValue(dart::TextBuffer* buf, Dart_Handle object) {
- bool print_text_field = true;
- if (Dart_IsNumber(object)) {
- buf->Printf("\"kind\":\"number\"");
- } else if (Dart_IsString(object)) {
- buf->Printf("\"kind\":\"string\"");
- } else if (Dart_IsBoolean(object)) {
- buf->Printf("\"kind\":\"boolean\"");
- } else if (Dart_IsList(object)) {
- intptr_t len = 0;
- Dart_Handle res = Dart_ListLength(object, &len);
- ASSERT_NOT_ERROR(res);
- buf->Printf("\"kind\":\"list\",\"length\":%" Pd "", len);
- } else if (Dart_IsClosure(object)) {
- Dart_Handle name, signature;
- Dart_CodeLocation location;
- Dart_Handle res = Dart_GetClosureInfo(object, &name, &signature, &location);
- ASSERT_NOT_ERROR(res);
- buf->Printf("\"kind\":\"function\",\"name\":\"%s\"", GetStringChars(name));
- buf->Printf(",\"signature\":\"%s\"", GetStringChars(signature));
- if (!Dart_IsNull(location.script_url)) {
- ASSERT(Dart_IsString(location.script_url));
- buf->Printf(",\"location\": { \"url\":");
- FormatEncodedString(buf, location.script_url);
- buf->Printf(",\"libraryId\":%d,", location.library_id);
- buf->Printf("\"tokenOffset\":%d}", location.token_pos);
- }
- print_text_field = false;
- } else {
- buf->Printf("\"kind\":\"object\"");
- intptr_t class_id = 0;
- Dart_Handle res = Dart_GetObjClassId(object, &class_id);
- if (!Dart_IsError(res)) {
- buf->Printf(",\"classId\":%" Pd "", class_id);
- }
- }
- if (print_text_field) {
- buf->Printf(",\"text\":\"");
- const intptr_t max_chars = 1024;
- FormatTextualValue(buf, object, max_chars, true);
- buf->Printf("\"");
- }
-}
-
-
-static void FormatValueObj(dart::TextBuffer* buf, Dart_Handle object) {
- buf->Printf("{");
- FormatValue(buf, object);
- buf->Printf("}");
-}
-
-
-static void FormatRemoteObj(dart::TextBuffer* buf, Dart_Handle object) {
- intptr_t obj_id = Dart_CacheObject(object);
- ASSERT(obj_id >= 0);
- buf->Printf("{\"objectId\":%" Pd ",", obj_id);
- FormatValue(buf, object);
- buf->Printf("}");
-}
-
-
-static void FormatNamedValue(dart::TextBuffer* buf,
- Dart_Handle object_name,
- Dart_Handle object) {
- ASSERT(Dart_IsString(object_name));
- buf->Printf("{\"name\":\"%s\",", GetStringChars(object_name));
- buf->Printf("\"value\":");
- FormatRemoteObj(buf, object);
- buf->Printf("}");
-}
-
-
-static void FormatNamedValueList(dart::TextBuffer* buf,
- Dart_Handle obj_list) {
- ASSERT(Dart_IsList(obj_list));
- intptr_t list_length = 0;
- Dart_Handle res = Dart_ListLength(obj_list, &list_length);
- ASSERT_NOT_ERROR(res);
- ASSERT(list_length % 2 == 0);
- buf->Printf("[");
- for (int i = 0; i + 1 < list_length; i += 2) {
- Dart_Handle name_handle = Dart_ListGetAt(obj_list, i);
- ASSERT_NOT_ERROR(name_handle);
- Dart_Handle value_handle = Dart_ListGetAt(obj_list, i + 1);
- ASSERT_NOT_ERROR(value_handle);
- if (i > 0) {
- buf->Printf(",");
- }
- FormatNamedValue(buf, name_handle, value_handle);
- }
- buf->Printf("]");
-}
-
-
-static const char* FormatClassProps(dart::TextBuffer* buf,
- intptr_t cls_id) {
- Dart_Handle name, static_fields;
- intptr_t super_id = -1;
- intptr_t library_id = -1;
- Dart_Handle res =
- Dart_GetClassInfo(cls_id, &name, &library_id, &super_id, &static_fields);
- RETURN_IF_ERROR(res);
- RETURN_IF_ERROR(name);
- buf->Printf("{\"name\":\"%s\",", GetStringChars(name));
- if (super_id > 0) {
- buf->Printf("\"superclassId\":%" Pd ",", super_id);
- }
- buf->Printf("\"libraryId\":%" Pd ",", library_id);
- RETURN_IF_ERROR(static_fields);
- buf->Printf("\"fields\":");
- FormatNamedValueList(buf, static_fields);
- buf->Printf("}");
- return NULL;
-}
-
-
-static const char* FormatLibraryProps(dart::TextBuffer* buf,
- intptr_t lib_id) {
- Dart_Handle url = Dart_GetLibraryURL(lib_id);
- RETURN_IF_ERROR(url);
- buf->Printf("{\"url\":");
- FormatEncodedString(buf, url);
-
- // Whether debugging is enabled.
- bool is_debuggable = false;
- Dart_Handle res = Dart_GetLibraryDebuggable(lib_id, &is_debuggable);
- RETURN_IF_ERROR(res);
- buf->Printf(",\"debuggingEnabled\":%s",
- is_debuggable ? "\"true\"" : "\"false\"");
-
- // Imports and prefixes.
- Dart_Handle import_list = Dart_GetLibraryImports(lib_id);
- RETURN_IF_ERROR(import_list);
- ASSERT(Dart_IsList(import_list));
- intptr_t list_length = 0;
- res = Dart_ListLength(import_list, &list_length);
- RETURN_IF_ERROR(res);
- buf->Printf(",\"imports\":[");
- for (intptr_t i = 0; i + 1 < list_length; i += 2) {
- Dart_Handle lib_id = Dart_ListGetAt(import_list, i + 1);
- ASSERT_NOT_ERROR(lib_id);
- buf->Printf("%s{\"libraryId\":%" Pd64 ",",
- (i > 0) ? ",": "",
- GetIntValue(lib_id));
-
- Dart_Handle name = Dart_ListGetAt(import_list, i);
- ASSERT_NOT_ERROR(name);
- buf->Printf("\"prefix\":\"%s\"}",
- Dart_IsNull(name) ? "" : GetStringChars(name));
- }
- buf->Printf("],");
-
- // Global variables in the library.
- Dart_Handle global_vars = Dart_GetLibraryFields(lib_id);
- RETURN_IF_ERROR(global_vars);
- buf->Printf("\"globals\":");
- FormatNamedValueList(buf, global_vars);
- buf->Printf("}");
- return NULL;
-}
-
-
-static const char* FormatObjProps(dart::TextBuffer* buf,
- Dart_Handle object) {
- intptr_t class_id;
- if (Dart_IsNull(object)) {
- buf->Printf("{\"classId\":-1,\"fields\":[]}");
- return NULL;
- }
- Dart_Handle res = Dart_GetObjClassId(object, &class_id);
- RETURN_IF_ERROR(res);
- buf->Printf("{\"classId\": %" Pd ",", class_id);
- buf->Printf("\"kind\":\"object\",\"fields\":");
- Dart_Handle fields = Dart_GetInstanceFields(object);
- RETURN_IF_ERROR(fields);
- FormatNamedValueList(buf, fields);
- buf->Printf("}");
- return NULL;
-}
-
-
-static const char* FormatListSlice(dart::TextBuffer* buf,
- Dart_Handle list,
- intptr_t list_length,
- intptr_t index,
- intptr_t slice_length) {
- intptr_t end_index = index + slice_length;
- ASSERT(end_index <= list_length);
- buf->Printf("{\"index\":%" Pd ",", index);
- buf->Printf("\"length\":%" Pd ",", slice_length);
- buf->Printf("\"elements\":[");
- for (intptr_t i = index; i < end_index; i++) {
- Dart_Handle value = Dart_ListGetAt(list, i);
- if (i > index) {
- buf->Printf(",");
- }
- FormatValueObj(buf, value);
- }
- buf->Printf("]}");
- return NULL;
-}
-
-
-static void FormatLocationFromTrace(dart::TextBuffer* msg,
- Dart_StackTrace trace,
- const char* prefix) {
- intptr_t trace_len = 0;
- Dart_Handle res = Dart_StackTraceLength(trace, &trace_len);
- ASSERT_NOT_ERROR(res);
- if (trace_len == 0) {
- return;
- }
- Dart_ActivationFrame frame;
- res = Dart_GetActivationFrame(trace, 0, &frame);
- ASSERT_NOT_ERROR(res);
- Dart_CodeLocation location;
- res = Dart_ActivationFrameGetLocation(frame, NULL, NULL, &location);
- ASSERT_NOT_ERROR(res);
- if (!Dart_IsNull(location.script_url)) {
- ASSERT(Dart_IsString(location.script_url));
- msg->Printf("%s\"location\": { \"url\":", prefix);
- FormatEncodedString(msg, location.script_url);
- msg->Printf(",\"libraryId\":%d,", location.library_id);
- msg->Printf("\"tokenOffset\":%d}", location.token_pos);
- }
-}
-
-
-static void FormatCallFrames(dart::TextBuffer* msg, Dart_StackTrace trace) {
- intptr_t trace_len = 0;
- Dart_Handle res = Dart_StackTraceLength(trace, &trace_len);
- ASSERT_NOT_ERROR(res);
- msg->Printf("\"callFrames\" : [ ");
- for (int i = 0; i < trace_len; i++) {
- Dart_ActivationFrame frame;
- res = Dart_GetActivationFrame(trace, i, &frame);
- ASSERT_NOT_ERROR(res);
- Dart_Handle func_name;
- Dart_Handle func;
- Dart_CodeLocation location;
- res = Dart_ActivationFrameGetLocation(frame, &func_name, &func, &location);
- ASSERT_NOT_ERROR(res);
- ASSERT(Dart_IsString(func_name));
- msg->Printf("%s{\"functionName\":", (i > 0) ? "," : "");
- FormatEncodedString(msg, func_name);
- if (!Dart_IsNull(location.script_url)) {
- ASSERT(Dart_IsString(location.script_url));
- msg->Printf(",\"location\": { \"url\":");
- FormatEncodedString(msg, location.script_url);
- msg->Printf(",\"libraryId\":%d,", location.library_id);
- msg->Printf("\"tokenOffset\":%d}", location.token_pos);
- }
- ASSERT_NOT_ERROR(func);
- Dart_Handle origin = Dart_GetFunctionOrigin(func);
- ASSERT_NOT_ERROR(origin);
- if (Dart_IsInteger(origin)) {
- int64_t class_id = GetIntValue(origin);
- msg->Printf(",\"classId\":%" Pd64 "", class_id);
- }
- Dart_Handle locals = Dart_GetLocalVariables(frame);
- ASSERT_NOT_ERROR(locals);
- msg->Printf(",\"locals\":");
- FormatNamedValueList(msg, locals);
- msg->Printf("}");
- }
- msg->Printf("]");
-}
-
-
-typedef bool (*CommandHandler)(DbgMessage* msg);
-
-struct JSONDebuggerCommand {
- const char* cmd_string;
- CommandHandler handler_function;
-};
-
-
-static JSONDebuggerCommand debugger_commands[] = {
- { "resume", DbgMessage::HandleResumeCmd },
- { "stepInto", DbgMessage::HandleStepIntoCmd },
- { "stepOut", DbgMessage::HandleStepOutCmd },
- { "stepOver", DbgMessage::HandleStepOverCmd },
- { "getLibraries", DbgMessage::HandleGetLibrariesCmd },
- { "getClassProperties", DbgMessage::HandleGetClassPropsCmd },
- { "getLibraryProperties", DbgMessage::HandleGetLibPropsCmd },
- { "setLibraryProperties", DbgMessage::HandleSetLibPropsCmd },
- { "evaluateExpr", DbgMessage::HandleEvaluateExprCmd },
- { "getObjectProperties", DbgMessage::HandleGetObjPropsCmd },
- { "getListElements", DbgMessage::HandleGetListCmd },
- { "getGlobalVariables", DbgMessage::HandleGetGlobalsCmd },
- { "getScriptURLs", DbgMessage::HandleGetScriptURLsCmd },
- { "getScriptSource", DbgMessage::HandleGetSourceCmd },
- { "getLineNumberTable", DbgMessage::HandleGetLineNumbersCmd },
- { "getStackTrace", DbgMessage::HandleGetStackTraceCmd },
- { "setBreakpoint", DbgMessage::HandleSetBpCmd },
- { "setPauseOnException", DbgMessage::HandlePauseOnExcCmd },
- { "removeBreakpoint", DbgMessage::HandleRemBpCmd },
- { NULL, NULL }
-};
-
-
-bool DbgMessage::HandleMessage() {
- // Dispatch to the appropriate handler for the command.
- int max_index = (sizeof(debugger_commands) / sizeof(JSONDebuggerCommand));
- ASSERT(cmd_idx_ < max_index);
- return (*debugger_commands[cmd_idx_].handler_function)(this);
-}
-
-
-void DbgMessage::SendReply(dart::TextBuffer* reply) {
- DebuggerConnectionHandler::SendMsg(debug_fd(), reply);
-}
-
-
-void DbgMessage::SendErrorReply(int msg_id, const char* err_msg) {
- DebuggerConnectionHandler::SendError(debug_fd(), msg_id, err_msg);
-}
-
-
-bool DbgMessage::HandleResumeCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- dart::TextBuffer msg(64);
- msg.Printf("{ \"id\": %d }", msg_id);
- in_msg->SendReply(&msg);
- return true;
-}
-
-
-bool DbgMessage::HandleStepIntoCmd(DbgMessage* in_msg) {
- Dart_Handle res = Dart_SetStepInto();
- ASSERT_NOT_ERROR(res);
- return HandleResumeCmd(in_msg);
-}
-
-
-bool DbgMessage::HandleStepOutCmd(DbgMessage* in_msg) {
- Dart_Handle res = Dart_SetStepOut();
- ASSERT_NOT_ERROR(res);
- return HandleResumeCmd(in_msg);
-}
-
-
-bool DbgMessage::HandleStepOverCmd(DbgMessage* in_msg) {
- Dart_Handle res = Dart_SetStepOver();
- ASSERT_NOT_ERROR(res);
- return HandleResumeCmd(in_msg);
-}
-
-
-bool DbgMessage::HandleGetLibrariesCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- dart::TextBuffer msg(64);
- msg.Printf("{ \"id\": %d, \"result\": { \"libraries\": [", msg_id);
- Dart_Handle lib_ids = Dart_GetLibraryIds();
- ASSERT_NOT_ERROR(lib_ids);
- intptr_t num_libs;
- Dart_Handle res = Dart_ListLength(lib_ids, &num_libs);
- ASSERT_NOT_ERROR(res);
- for (intptr_t i = 0; i < num_libs; i++) {
- Dart_Handle lib_id_handle = Dart_ListGetAt(lib_ids, i);
- ASSERT(Dart_IsInteger(lib_id_handle));
- int64_t lib_id = GetIntValue(lib_id_handle);
- ASSERT((lib_id >= kIntptrMin) && (lib_id <= kIntptrMax));
- Dart_Handle lib_url = Dart_GetLibraryURL(static_cast<intptr_t>(lib_id));
- ASSERT_NOT_ERROR(lib_url);
- ASSERT(Dart_IsString(lib_url));
- msg.Printf("%s{\"id\":%" Pd64 ",\"url\":", (i == 0) ? "" : ", ", lib_id);
- FormatEncodedString(&msg, lib_url);
- msg.Printf("}");
- }
- msg.Printf("]}}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleGetClassPropsCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- intptr_t cls_id = msg_parser.GetIntParam("classId");
- dart::TextBuffer msg(64);
- msg.Printf("{\"id\":%d, \"result\":", msg_id);
- const char* err = FormatClassProps(&msg, cls_id);
- if (err != NULL) {
- in_msg->SendErrorReply(msg_id, err);
- return false;
- }
- msg.Printf("}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleGetLibPropsCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- intptr_t lib_id = msg_parser.GetIntParam("libraryId");
- dart::TextBuffer msg(64);
- msg.Printf("{\"id\":%d, \"result\":", msg_id);
- const char* err = FormatLibraryProps(&msg, lib_id);
- if (err != NULL) {
- in_msg->SendErrorReply(msg_id, err);
- return false;
- }
- msg.Printf("}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleSetLibPropsCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- intptr_t lib_id = msg_parser.GetIntParam("libraryId");
- const char* enable_request = msg_parser.GetStringParam("debuggingEnabled");
- bool enable;
- if (strcmp(enable_request, "true") == 0) {
- enable = true;
- } else if (strcmp(enable_request, "false") == 0) {
- enable = false;
- } else {
- in_msg->SendErrorReply(msg_id, "illegal argument for 'debuggingEnabled'");
- return false;
- }
- Dart_Handle res = Dart_SetLibraryDebuggable(lib_id, enable);
- if (Dart_IsError(res)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(res));
- return false;
- }
- bool enabled = false;
- res = Dart_GetLibraryDebuggable(lib_id, &enabled);
- if (Dart_IsError(res)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(res));
- return false;
- }
- dart::TextBuffer msg(64);
- msg.Printf("{\"id\":%d, \"result\": {\"debuggingEnabled\": \"%s\"}}",
- msg_id,
- enabled ? "true" : "false");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleEvaluateExprCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- Dart_Handle target = Dart_Null();
- Dart_ActivationFrame frame = NULL;
-
- if (msg_parser.HasParam("libraryId")) {
- intptr_t lib_id = msg_parser.GetIntParam("libraryId");
- target = Dart_GetLibraryFromId(lib_id);
- } else if (msg_parser.HasParam("classId")) {
- intptr_t cls_id = msg_parser.GetIntParam("classId");
- target = Dart_GetClassFromId(cls_id);
- } else if (msg_parser.HasParam("objectId")) {
- intptr_t obj_id = msg_parser.GetIntParam("objectId");
- target = Dart_GetCachedObject(obj_id);
- } else if (msg_parser.HasParam("frameId")) {
- intptr_t frame_index = msg_parser.GetIntParam("frameId");
- Dart_Handle res;
- Dart_StackTrace stack_trace;
- res = Dart_GetStackTrace(&stack_trace);
- ASSERT_NOT_ERROR(res);
- intptr_t trace_length = 0;
- res = Dart_StackTraceLength(stack_trace, &trace_length);
- ASSERT_NOT_ERROR(res);
- if (frame_index >= trace_length) {
- in_msg->SendErrorReply(msg_id, "illegal frame index");
- return false;
- }
- res = Dart_GetActivationFrame(stack_trace, frame_index, &frame);
- ASSERT_NOT_ERROR(res);
- } else {
- in_msg->SendErrorReply(msg_id, "illegal evaluation target");
- return false;
- }
-
- char* expr_chars = msg_parser.GetStringParam("expression");
- Dart_Handle expr = Dart_NewStringFromCString(expr_chars);
- if (Dart_IsError(expr)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(expr));
- return false;
- }
-
- Dart_Handle eval_result = Dart_Null();
- if (frame != NULL) {
- eval_result = Dart_ActivationFrameEvaluate(frame, expr);
- } else {
- if (Dart_IsError(target)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(target));
- return false;
- }
- eval_result = Dart_EvaluateExpr(target, expr);
- }
- if (Dart_IsError(eval_result)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(eval_result));
- return false;
- }
-
- dart::TextBuffer msg(64);
- msg.Printf("{\"id\":%d, \"result\":", msg_id);
- FormatRemoteObj(&msg, eval_result);
- msg.Printf("}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleGetObjPropsCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- intptr_t obj_id = msg_parser.GetIntParam("objectId");
- Dart_Handle obj = Dart_GetCachedObject(obj_id);
- if (Dart_IsError(obj)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(obj));
- return false;
- }
- dart::TextBuffer msg(64);
- msg.Printf("{\"id\":%d, \"result\":", msg_id);
- const char* err = FormatObjProps(&msg, obj);
- if (err != NULL) {
- in_msg->SendErrorReply(msg_id, err);
- return false;
- }
- msg.Printf("}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleGetListCmd(DbgMessage* in_msg) {
- const intptr_t kDefaultSliceLength = 100;
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- intptr_t obj_id = msg_parser.GetIntParam("objectId");
- Dart_Handle list = Dart_GetCachedObject(obj_id);
- if (Dart_IsError(list)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(list));
- return false;
- }
- if (!Dart_IsList(list)) {
- in_msg->SendErrorReply(msg_id, "object is not a list");
- return false;
- }
- intptr_t list_length = 0;
- Dart_Handle res = Dart_ListLength(list, &list_length);
- if (Dart_IsError(res)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(res));
- return false;
- }
-
- intptr_t index = msg_parser.GetIntParam("index");
- if (index < 0) {
- index = 0;
- } else if (index > list_length) {
- index = list_length;
- }
-
- // If no slice length is given, get only one element. If slice length
- // is given as 0, get entire list.
- intptr_t slice_length = msg_parser.GetOptIntParam("length", 1);
- if (slice_length == 0) {
- slice_length = list_length - index;
- }
- if ((index + slice_length) > list_length) {
- slice_length = list_length - index;
- }
- ASSERT(slice_length >= 0);
- if (slice_length > kDefaultSliceLength) {
- slice_length = kDefaultSliceLength;
- }
- dart::TextBuffer msg(64);
- msg.Printf("{\"id\":%d, \"result\":", msg_id);
- if (slice_length == 1) {
- Dart_Handle value = Dart_ListGetAt(list, index);
- FormatRemoteObj(&msg, value);
- } else {
- FormatListSlice(&msg, list, list_length, index, slice_length);
- }
- msg.Printf("}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleGetGlobalsCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- intptr_t lib_id = msg_parser.GetIntParam("libraryId");
- dart::TextBuffer msg(64);
- msg.Printf("{\"id\":%d, \"result\": { \"globals\":", msg_id);
- Dart_Handle globals = Dart_GetGlobalVariables(lib_id);
- ASSERT_NOT_ERROR(globals);
- FormatNamedValueList(&msg, globals);
- msg.Printf("}}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleGetScriptURLsCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- dart::TextBuffer msg(64);
- intptr_t lib_id = msg_parser.GetIntParam("libraryId");
- Dart_Handle lib_url = Dart_GetLibraryURL(lib_id);
- ASSERT_NOT_ERROR(lib_url);
- Dart_Handle urls = Dart_GetScriptURLs(lib_url);
- if (Dart_IsError(urls)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(urls));
- return false;
- }
- ASSERT(Dart_IsList(urls));
- intptr_t num_urls = 0;
- Dart_ListLength(urls, &num_urls);
- msg.Printf("{ \"id\": %d, ", msg_id);
- msg.Printf("\"result\": { \"urls\": [");
- for (int i = 0; i < num_urls; i++) {
- Dart_Handle script_url = Dart_ListGetAt(urls, i);
- if (i > 0) {
- msg.Printf(",");
- }
- FormatEncodedString(&msg, script_url);
- }
- msg.Printf("]}}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleGetSourceCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- dart::TextBuffer msg(64);
- intptr_t lib_id = msg_parser.GetIntParam("libraryId");
- char* url_chars = msg_parser.GetStringParam("url");
- ASSERT(url_chars != NULL);
- Dart_Handle url = DartUtils::NewString(url_chars);
- ASSERT_NOT_ERROR(url);
- free(url_chars);
- url_chars = NULL;
- Dart_Handle source = Dart_ScriptGetSource(lib_id, url);
- if (Dart_IsError(source)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(source));
- return false;
- }
- msg.Printf("{ \"id\": %d, ", msg_id);
- msg.Printf("\"result\": { \"text\": ");
- FormatEncodedString(&msg, source);
- msg.Printf("}}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleGetLineNumbersCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- dart::TextBuffer msg(64);
- intptr_t lib_id = msg_parser.GetIntParam("libraryId");
- char* url_chars = msg_parser.GetStringParam("url");
- ASSERT(url_chars != NULL);
- Dart_Handle url = DartUtils::NewString(url_chars);
- ASSERT_NOT_ERROR(url);
- free(url_chars);
- url_chars = NULL;
- Dart_Handle info = Dart_ScriptGetTokenInfo(lib_id, url);
- if (Dart_IsError(info)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(info));
- return false;
- }
- ASSERT(Dart_IsList(info));
- intptr_t info_len = 0;
- Dart_Handle res = Dart_ListLength(info, &info_len);
- ASSERT_NOT_ERROR(res);
- msg.Printf("{ \"id\": %d, ", msg_id);
- msg.Printf("\"result\": { \"lines\": [");
- Dart_Handle elem;
- intptr_t num_elems = 0;
- for (intptr_t i = 0; i < info_len; i++) {
- elem = Dart_ListGetAt(info, i);
- if (Dart_IsNull(elem)) {
- msg.Printf((i == 0) ? "[" : "], [");
- num_elems = 0;
- } else {
- ASSERT(Dart_IsInteger(elem));
- int64_t value = GetIntValue(elem);
- if (num_elems == 0) {
- msg.Printf("%" Pd64 "", value);
- } else {
- msg.Printf(",%" Pd64 "", value);
- }
- num_elems++;
- }
- }
- msg.Printf("]]}}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleGetStackTraceCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- Dart_StackTrace trace;
- Dart_Handle res = Dart_GetStackTrace(&trace);
- ASSERT_NOT_ERROR(res);
- dart::TextBuffer msg(128);
- msg.Printf("{ \"id\": %d, \"result\": {", msg_id);
- FormatCallFrames(&msg, trace);
- msg.Printf("}}");
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleSetBpCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- char* url_chars = msg_parser.GetStringParam("url");
- ASSERT(url_chars != NULL);
- Dart_Handle url = DartUtils::NewString(url_chars);
- ASSERT_NOT_ERROR(url);
- free(url_chars);
- url_chars = NULL;
- intptr_t line_number = msg_parser.GetIntParam("line");
- Dart_Handle bp_id = Dart_SetBreakpoint(url, line_number);
- if (Dart_IsError(bp_id)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(bp_id));
- return false;
- }
- ASSERT(Dart_IsInteger(bp_id));
- uint64_t bp_id_value;
- Dart_Handle res = Dart_IntegerToUint64(bp_id, &bp_id_value);
- ASSERT_NOT_ERROR(res);
- dart::TextBuffer msg(64);
- msg.Printf("{ \"id\": %d, \"result\": { \"breakpointId\": %" Pu64 " }}",
- msg_id, bp_id_value);
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandlePauseOnExcCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- char* exc_chars = msg_parser.GetStringParam("exceptions");
- Dart_ExceptionPauseInfo info = kNoPauseOnExceptions;
- if (strcmp(exc_chars, "none") == 0) {
- info = kNoPauseOnExceptions;
- } else if (strcmp(exc_chars, "all") == 0) {
- info = kPauseOnAllExceptions;
- } else if (strcmp(exc_chars, "unhandled") == 0) {
- info = kPauseOnUnhandledExceptions;
- } else {
- in_msg->SendErrorReply(msg_id, "illegal value for parameter 'exceptions'");
- return false;
- }
- Dart_Handle res = Dart_SetExceptionPauseInfo(info);
- ASSERT_NOT_ERROR(res);
- dart::TextBuffer msg(32);
- msg.Printf("{ \"id\": %d }", msg_id);
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-bool DbgMessage::HandleRemBpCmd(DbgMessage* in_msg) {
- ASSERT(in_msg != NULL);
- MessageParser msg_parser(in_msg->buffer(), in_msg->buffer_len());
- int msg_id = msg_parser.MessageId();
- int bpt_id = msg_parser.GetIntParam("breakpointId");
- Dart_Handle res = Dart_RemoveBreakpoint(bpt_id);
- if (Dart_IsError(res)) {
- in_msg->SendErrorReply(msg_id, Dart_GetError(res));
- return false;
- }
- dart::TextBuffer msg(32);
- msg.Printf("{ \"id\": %d }", msg_id);
- in_msg->SendReply(&msg);
- return false;
-}
-
-
-void DbgMsgQueue::AddMessage(int32_t cmd_idx,
- const char* start,
- const char* end,
- intptr_t debug_fd) {
- if ((end > start) && ((end - start) < kMaxInt32)) {
- MonitorLocker ml(&msg_queue_lock_);
- DbgMessage* msg = new DbgMessage(cmd_idx, start, end, debug_fd);
- if (msglist_head_ == NULL) {
- ASSERT(msglist_tail_ == NULL);
- msglist_head_ = msg;
- msglist_tail_ = msg;
- ml.Notify();
- } else {
- ASSERT(msglist_tail_ != NULL);
- msglist_tail_->set_next(msg);
- msglist_tail_ = msg;
- }
- }
-}
-
-
-void DbgMsgQueue::Notify() {
- MonitorLocker ml(&msg_queue_lock_);
- ml.Notify();
-}
-
-
-bool DbgMsgQueue::HandlePendingMessages() {
- // Handle all available debug messages, up to a resume request.
- bool resume_requested = false;
- while (msglist_head_ != NULL && !resume_requested) {
- ASSERT(msglist_tail_ != NULL);
- DbgMessage* msg = msglist_head_;
- msglist_head_ = msglist_head_->next();
- if (msglist_head_ == NULL) {
- msglist_tail_ = NULL;
- }
- resume_requested = msg->HandleMessage();
- delete msg;
- }
- return resume_requested;
-}
-
-
-void DbgMsgQueue::MessageLoop() {
- MonitorLocker ml(&msg_queue_lock_);
- is_running_ = false;
-
- // Request notification on isolate messages. This allows us to
- // respond to vm service messages while at breakpoint.
- Dart_SetMessageNotifyCallback(DbgMsgQueueList::NotifyIsolate);
-
- while (true) {
- // Handle all available vm service messages, up to a resume
- // request.
- bool resume = false;
- while (!resume && Dart_HasServiceMessages()) {
- msg_queue_lock_.Exit();
- resume = Dart_HandleServiceMessages();
- msg_queue_lock_.Enter();
- }
- if (resume) {
- break;
- }
-
- // Handle all available debug messages, up to a resume request.
- if (HandlePendingMessages()) {
- break;
- }
-
- // Wait for more debug or vm service messages.
- Monitor::WaitResult res = ml.Wait();
- ASSERT(res == Monitor::kNotified);
- }
- Dart_SetMessageNotifyCallback(NULL);
- is_interrupted_ = false;
- is_running_ = true;
-}
-
-
-void DbgMsgQueue::InterruptIsolate() {
- Dart_Isolate isolate = Dart_GetIsolate(isolate_id_);
- MonitorLocker ml(&msg_queue_lock_);
- if (is_running_ && !is_interrupted_) {
- is_interrupted_ = true;
- Dart_InterruptIsolate(isolate);
- }
-}
-
-
-void DbgMsgQueue::QueueOutputMsg(dart::TextBuffer* msg) {
- queued_output_messages_.Printf("%s", msg->buf());
-}
-
-
-void DbgMsgQueue::SendQueuedMsgs() {
- if (queued_output_messages_.length() > 0) {
- DebuggerConnectionHandler::BroadcastMsg(&queued_output_messages_);
- queued_output_messages_.Clear();
- }
-}
-
-
-void DbgMsgQueue::SendBreakpointEvent(intptr_t bp_id,
- const Dart_CodeLocation& location) {
- dart::TextBuffer msg(128);
- msg.Printf("{ \"event\": \"paused\", \"params\": { ");
- msg.Printf("\"reason\": \"breakpoint\", ");
- msg.Printf("\"isolateId\": %" Pd64 "", isolate_id_);
- if (bp_id != ILLEGAL_BREAKPOINT_ID) {
- msg.Printf(",\"breakpointId\": %" Pd "", bp_id);
- }
- if (!Dart_IsNull(location.script_url)) {
- ASSERT(Dart_IsString(location.script_url));
- msg.Printf(",\"location\": { \"url\":");
- FormatEncodedString(&msg, location.script_url);
- msg.Printf(",\"libraryId\":%d,", location.library_id);
- msg.Printf("\"tokenOffset\":%d}", location.token_pos);
- }
- msg.Printf("}}");
- DebuggerConnectionHandler::BroadcastMsg(&msg);
-}
-
-
-// TODO(hausner): Remove stack trace parameter once we remove the stack
-// trace from the paused event in the wire protocol.
-void DbgMsgQueue::SendExceptionEvent(Dart_Handle exception,
- Dart_StackTrace stack_trace) {
- intptr_t exception_id = Dart_CacheObject(exception);
- ASSERT(exception_id >= 0);
- dart::TextBuffer msg(128);
- msg.Printf("{ \"event\": \"paused\", \"params\": {");
- msg.Printf("\"reason\": \"exception\", ");
- msg.Printf("\"isolateId\": %" Pd64 ", ", isolate_id_);
- msg.Printf("\"exception\":");
- FormatRemoteObj(&msg, exception);
- FormatLocationFromTrace(&msg, stack_trace, ", ");
- msg.Printf("}}");
- DebuggerConnectionHandler::BroadcastMsg(&msg);
-}
-
-
-// TODO(hausner): Remove stack trace parameter once we remove the stack
-// trace from the interrupted event in the wire protocol.
-void DbgMsgQueue::SendIsolateEvent(Dart_IsolateId isolate_id,
- Dart_IsolateEvent kind) {
- dart::TextBuffer msg(128);
- if (kind == kInterrupted) {
- Dart_StackTrace trace;
- Dart_Handle res = Dart_GetStackTrace(&trace);
- ASSERT_NOT_ERROR(res);
- msg.Printf("{ \"event\": \"paused\", \"params\": { ");
- msg.Printf("\"reason\": \"interrupted\", ");
- msg.Printf("\"isolateId\": %" Pd64 "", isolate_id);
- FormatLocationFromTrace(&msg, trace, ", ");
- msg.Printf("}}");
- } else {
- msg.Printf("{ \"event\": \"isolate\", \"params\": { ");
- if (kind == kCreated) {
- msg.Printf("\"reason\": \"created\", ");
- } else {
- ASSERT(kind == kShutdown);
- msg.Printf("\"reason\": \"shutdown\", ");
- }
- msg.Printf("\"id\": %" Pd64 " ", isolate_id);
- msg.Printf("}}");
- }
- DebuggerConnectionHandler::BroadcastMsg(&msg);
-}
-
-
-DbgMsgQueue* DbgMsgQueueList::list_ = NULL;
-Mutex* DbgMsgQueueList::msg_queue_list_lock_ = new Mutex();
-
-
-void DbgMsgQueueList::Initialize() {
- // Setup handlers for isolate events, breakpoints, exceptions and
- // delayed breakpoints.
- Dart_SetIsolateEventHandler(IsolateEventHandler);
- Dart_SetPausedEventHandler(PausedEventHandler);
- Dart_SetBreakpointResolvedHandler(BptResolvedHandler);
- Dart_SetExceptionThrownHandler(ExceptionThrownHandler);
-}
-
-
-int32_t DbgMsgQueueList::LookupIsolateCommand(const char* buf,
- int32_t buflen) {
- // Check if we have a isolate specific debugger command.
- int32_t i = 0;
- while (debugger_commands[i].cmd_string != NULL) {
- if (strncmp(buf, debugger_commands[i].cmd_string, buflen) == 0) {
- return i;
- }
- i++;
- }
- return kInvalidCommand;
-}
-
-
-bool DbgMsgQueueList::AddIsolateMessage(Dart_IsolateId isolate_id,
- int32_t cmd_idx,
- const char* start,
- const char* end,
- intptr_t debug_fd) {
- MutexLocker ml(msg_queue_list_lock_);
- DbgMsgQueue* queue = DbgMsgQueueList::GetIsolateMsgQueueLocked(isolate_id);
- if (queue != NULL) {
- queue->AddMessage(cmd_idx, start, end, debug_fd);
- return true;
- }
- return false;
-}
-
-
-void DbgMsgQueueList::NotifyIsolate(Dart_Isolate isolate) {
- MutexLocker ml(msg_queue_list_lock_);
- Dart_IsolateId isolate_id = Dart_GetIsolateId(isolate);
- DbgMsgQueue* queue = DbgMsgQueueList::GetIsolateMsgQueueLocked(isolate_id);
- if (queue != NULL) {
- queue->Notify();
- }
-}
-
-
-bool DbgMsgQueueList::InterruptIsolate(Dart_IsolateId isolate_id) {
- MutexLocker ml(msg_queue_list_lock_);
- DbgMsgQueue* queue = DbgMsgQueueList::GetIsolateMsgQueueLocked(isolate_id);
- if (queue != NULL) {
- queue->InterruptIsolate();
- return true;
- }
- return false;
-}
-
-
-DbgMsgQueue* DbgMsgQueueList::AddIsolateMsgQueue(Dart_IsolateId isolate_id) {
- MutexLocker ml(msg_queue_list_lock_);
-
- DbgMsgQueue* queue = new DbgMsgQueue(isolate_id, list_);
- ASSERT(queue != NULL);
- list_ = queue;
- return queue;
-}
-
-
-DbgMsgQueue* DbgMsgQueueList::GetIsolateMsgQueue(Dart_IsolateId isolate_id) {
- MutexLocker ml(msg_queue_list_lock_);
- ASSERT(Dart_GetIsolate(isolate_id) == Dart_CurrentIsolate());
- return GetIsolateMsgQueueLocked(isolate_id);
-}
-
-
-DbgMsgQueue* DbgMsgQueueList::GetIsolateMsgQueueLocked(Dart_IsolateId id) {
- if (list_ == NULL) {
- return NULL; // No items in the list.
- }
-
- // Find message queue corresponding to isolate id.
- DbgMsgQueue* iterator = list_;
- while (iterator != NULL && iterator->isolate_id() != id) {
- iterator = iterator->next();
- }
- return iterator;
-}
-
-
-void DbgMsgQueueList::RemoveIsolateMsgQueue(Dart_IsolateId isolate_id) {
- MutexLocker ml(msg_queue_list_lock_);
- if (list_ == NULL) {
- return; // No items in the list.
- }
- DbgMsgQueue* queue = list_;
- if (queue->isolate_id() == isolate_id) {
- list_ = queue->next(); // Remove from list.
- delete queue; // Delete the message queue.
- return;
- } else {
- DbgMsgQueue* iterator = queue;
- queue = queue->next();
- while (queue != NULL) {
- if (queue->isolate_id() == isolate_id) {
- iterator->set_next(queue->next()); // Remove from list.
- delete queue; // Delete the message queue.
- return;
- }
- iterator = queue;
- queue = queue->next();
- }
- }
- UNREACHABLE();
-}
-
-
-void DbgMsgQueueList::ListIsolateIds(dart::TextBuffer* msg) {
- MutexLocker ml(msg_queue_list_lock_);
- if (list_ == NULL) {
- return; // No items in the list.
- }
- DbgMsgQueue* queue = list_;
- msg->Printf("%" Pd64 "", queue->isolate_id());
- queue = queue->next();
- while (queue != NULL) {
- msg->Printf(",%" Pd64 "", queue->isolate_id());
- queue = queue->next();
- }
-}
-
-
-void DbgMsgQueueList::BptResolvedHandler(Dart_IsolateId isolate_id,
- intptr_t bp_id,
- const Dart_CodeLocation& location) {
- Dart_EnterScope();
- dart::TextBuffer msg(128);
- msg.Printf("{ \"event\": \"breakpointResolved\", \"params\": {");
- msg.Printf("\"breakpointId\": %" Pd "", bp_id);
-
- msg.Printf(", \"isolateId\":%" Pd64 "", isolate_id);
- ASSERT(!Dart_IsNull(location.script_url));
- ASSERT(Dart_IsString(location.script_url));
- msg.Printf(", \"location\":{\"url\":");
- FormatEncodedString(&msg, location.script_url);
- msg.Printf(",\"libraryId\":%d", location.library_id);
- msg.Printf(",\"tokenOffset\":%d}}}", location.token_pos);
-
- DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id);
- ASSERT(msg_queue != NULL);
- msg_queue->QueueOutputMsg(&msg);
- Dart_ExitScope();
-}
-
-
-void DbgMsgQueueList::PausedEventHandler(Dart_IsolateId isolate_id,
- intptr_t bp_id,
- const Dart_CodeLocation& loc) {
- DebuggerConnectionHandler::WaitForConnection();
- Dart_EnterScope();
- DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id);
- ASSERT(msg_queue != NULL);
- msg_queue->SendQueuedMsgs();
- msg_queue->SendBreakpointEvent(bp_id, loc);
- msg_queue->MessageLoop();
- Dart_ExitScope();
-}
-
-
-void DbgMsgQueueList::ExceptionThrownHandler(Dart_IsolateId isolate_id,
- Dart_Handle exception,
- Dart_StackTrace stack_trace) {
- DebuggerConnectionHandler::WaitForConnection();
- Dart_EnterScope();
- DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id);
- ASSERT(msg_queue != NULL);
- msg_queue->SendQueuedMsgs();
- msg_queue->SendExceptionEvent(exception, stack_trace);
- msg_queue->MessageLoop();
- Dart_ExitScope();
-}
-
-
-void DbgMsgQueueList::IsolateEventHandler(Dart_IsolateId isolate_id,
- Dart_IsolateEvent kind) {
- if (kind == kCreated) {
- DebuggerConnectionHandler::WaitForConnection();
- Dart_EnterScope();
- DbgMsgQueue* msg_queue = AddIsolateMsgQueue(isolate_id);
- msg_queue->SendIsolateEvent(isolate_id, kind);
- Dart_ExitScope();
- } else {
- DebuggerConnectionHandler::WaitForConnection();
- DbgMsgQueue* msg_queue = GetIsolateMsgQueue(isolate_id);
- ASSERT(msg_queue != NULL);
- Dart_EnterScope();
- msg_queue->SendQueuedMsgs();
- msg_queue->SendIsolateEvent(isolate_id, kind);
- if (kind == kInterrupted) {
- msg_queue->MessageLoop();
- } else {
- ASSERT(kind == kShutdown);
- RemoveIsolateMsgQueue(isolate_id);
- }
- Dart_ExitScope();
- // If there is no receive message queue, do not wait for a connection, and
- // ignore the message.
- }
-}
-
-} // namespace bin
-} // namespace dart
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