mirror of
https://github.com/dart-lang/sdk
synced 2024-09-05 00:13:50 +00:00
![Ben Konyi](/assets/img/avatar_default.png)
Fixes https://github.com/dart-lang/sdk/issues/48839 TEST=Checked CPU profile for Flutter Gallery in profile mode Change-Id: I83f372aebd77b93b459720ceb2dd9e5fa05b4475 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/245200 Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Ryan Macnak <rmacnak@google.com>
601 lines
18 KiB
C++
601 lines
18 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/assert.h"
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#include "include/dart_native_api.h"
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#include "platform/unicode.h"
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#include "vm/dart_entry.h"
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#include "vm/debugger.h"
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#include "vm/heap/safepoint.h"
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#include "vm/json_stream.h"
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#include "vm/message.h"
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#include "vm/metrics.h"
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#include "vm/object.h"
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#include "vm/service.h"
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#include "vm/service_event.h"
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#include "vm/thread_registry.h"
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#include "vm/timeline.h"
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namespace dart {
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#ifndef PRODUCT
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DECLARE_FLAG(bool, trace_service);
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JSONStream::JSONStream(intptr_t buf_size)
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: writer_(buf_size),
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default_id_zone_(),
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id_zone_(&default_id_zone_),
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reply_port_(ILLEGAL_PORT),
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seq_(NULL),
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parameter_keys_(NULL),
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parameter_values_(NULL),
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method_(""),
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param_keys_(NULL),
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param_values_(NULL),
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num_params_(0),
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offset_(0),
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count_(-1),
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include_private_members_(true),
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ignore_object_depth_(0) {
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ObjectIdRing* ring = NULL;
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Isolate* isolate = Isolate::Current();
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if (isolate != NULL) {
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ring = isolate->EnsureObjectIdRing();
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}
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default_id_zone_.Init(ring, ObjectIdRing::kAllocateId);
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}
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void JSONStream::Setup(Zone* zone,
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Dart_Port reply_port,
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const Instance& seq,
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const String& method,
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const Array& param_keys,
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const Array& param_values,
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bool parameters_are_dart_objects) {
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set_reply_port(reply_port);
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seq_ = &Instance::ZoneHandle(seq.ptr());
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method_ = method.ToCString();
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if (parameters_are_dart_objects) {
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parameter_keys_ = &Array::ZoneHandle(param_keys.ptr());
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parameter_values_ = &Array::ZoneHandle(param_values.ptr());
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ASSERT(parameter_keys_->Length() == parameter_values_->Length());
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} else if (param_keys.Length() > 0) {
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String& string_iterator = String::Handle();
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ASSERT(param_keys.Length() == param_values.Length());
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const char** param_keys_native =
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zone->Alloc<const char*>(param_keys.Length());
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const char** param_values_native =
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zone->Alloc<const char*>(param_keys.Length());
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for (intptr_t i = 0; i < param_keys.Length(); i++) {
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string_iterator ^= param_keys.At(i);
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param_keys_native[i] =
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zone->MakeCopyOfString(string_iterator.ToCString());
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string_iterator ^= param_values.At(i);
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param_values_native[i] =
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zone->MakeCopyOfString(string_iterator.ToCString());
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}
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SetParams(param_keys_native, param_values_native, param_keys.Length());
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}
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if (FLAG_trace_service) {
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Isolate* isolate = Isolate::Current();
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ASSERT(isolate != NULL);
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int64_t main_port = static_cast<int64_t>(isolate->main_port());
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const char* isolate_name = isolate->name();
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setup_time_micros_ = OS::GetCurrentTimeMicros();
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OS::PrintErr("[+%" Pd64 "ms] Isolate (%" Pd64
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") %s processing service "
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"request %s\n",
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Dart::UptimeMillis(), main_port, isolate_name, method_);
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}
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const char* kIncludePrivateMembersKey = "_includePrivateMembers";
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if (HasParam(kIncludePrivateMembersKey)) {
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include_private_members_ = ParamIs(kIncludePrivateMembersKey, "true");
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}
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buffer()->Printf("{\"jsonrpc\":\"2.0\", \"result\":");
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}
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void JSONStream::SetupError() {
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Clear();
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buffer()->Printf("{\"jsonrpc\":\"2.0\", \"error\":");
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}
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static const char* GetJSONRpcErrorMessage(intptr_t code) {
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switch (code) {
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case kParseError:
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return "Parse error";
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case kInvalidRequest:
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return "Invalid Request";
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case kMethodNotFound:
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return "Method not found";
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case kInvalidParams:
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return "Invalid params";
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case kInternalError:
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return "Internal error";
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case kFeatureDisabled:
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return "Feature is disabled";
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case kCannotAddBreakpoint:
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return "Cannot add breakpoint";
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case kStreamAlreadySubscribed:
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return "Stream already subscribed";
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case kStreamNotSubscribed:
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return "Stream not subscribed";
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case kIsolateMustBeRunnable:
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return "Isolate must be runnable";
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case kIsolateMustBePaused:
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return "Isolate must be paused";
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case kCannotResume:
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return "Cannot resume execution";
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case kIsolateIsReloading:
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return "Isolate is reloading";
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case kIsolateReloadBarred:
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return "Isolate cannot be reloaded";
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case kIsolateMustHaveReloaded:
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return "Isolate must have reloaded";
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case kFileSystemAlreadyExists:
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return "File system already exists";
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case kFileSystemDoesNotExist:
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return "File system does not exist";
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case kFileDoesNotExist:
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return "File does not exist";
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case kInvalidTimelineRequest:
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return "The timeline related request could not be completed due to the "
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"current configuration";
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default:
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return "Extension error";
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}
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}
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static void PrintRequest(JSONObject* obj, JSONStream* js) {
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JSONObject jsobj(obj, "request");
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jsobj.AddProperty("method", js->method());
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{
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JSONObject params(&jsobj, "params");
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for (intptr_t i = 0; i < js->num_params(); i++) {
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params.AddProperty(js->GetParamKey(i), js->GetParamValue(i));
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}
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}
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}
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void JSONStream::PrintError(intptr_t code, const char* details_format, ...) {
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SetupError();
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JSONObject jsobj(this);
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jsobj.AddProperty("code", code);
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jsobj.AddProperty("message", GetJSONRpcErrorMessage(code));
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{
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JSONObject data(&jsobj, "data");
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PrintRequest(&data, this);
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if (details_format != NULL) {
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va_list measure_args;
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va_start(measure_args, details_format);
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intptr_t len = Utils::VSNPrint(NULL, 0, details_format, measure_args);
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va_end(measure_args);
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char* buffer = Thread::Current()->zone()->Alloc<char>(len + 1);
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va_list print_args;
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va_start(print_args, details_format);
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Utils::VSNPrint(buffer, (len + 1), details_format, print_args);
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va_end(print_args);
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data.AddProperty("details", buffer);
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}
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}
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}
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void JSONStream::PostNullReply(Dart_Port port) {
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PortMap::PostMessage(
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Message::New(port, Object::null(), Message::kNormalPriority));
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}
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static void Finalizer(void* isolate_callback_data, void* buffer) {
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free(buffer);
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}
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void JSONStream::PostReply() {
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ASSERT(seq_ != NULL);
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Dart_Port port = reply_port();
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set_reply_port(ILLEGAL_PORT); // Prevent double replies.
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if (seq_->IsString()) {
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const String& str = String::Cast(*seq_);
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PrintProperty("id", str.ToCString());
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} else if (seq_->IsInteger()) {
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const Integer& integer = Integer::Cast(*seq_);
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PrintProperty64("id", integer.AsInt64Value());
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} else if (seq_->IsDouble()) {
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const Double& dbl = Double::Cast(*seq_);
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PrintProperty("id", dbl.value());
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} else if (seq_->IsNull()) {
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if (port == ILLEGAL_PORT) {
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// This path is only used in tests.
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buffer()->AddChar('}'); // Finish our message.
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char* cstr;
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intptr_t length;
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Steal(&cstr, &length);
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OS::PrintErr("-----\nDropping reply:\n%s\n-----\n", cstr);
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free(cstr);
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}
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// JSON-RPC 2.0 says that a request with a null ID shouldn't get a reply.
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PostNullReply(port);
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return;
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}
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ASSERT(port != ILLEGAL_PORT);
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buffer()->AddChar('}'); // Finish our message.
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char* cstr;
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intptr_t length;
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Steal(&cstr, &length);
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bool result;
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{
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TransitionVMToNative transition(Thread::Current());
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Dart_CObject bytes;
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bytes.type = Dart_CObject_kExternalTypedData;
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bytes.value.as_external_typed_data.type = Dart_TypedData_kUint8;
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bytes.value.as_external_typed_data.length = length;
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bytes.value.as_external_typed_data.data = reinterpret_cast<uint8_t*>(cstr);
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bytes.value.as_external_typed_data.peer = cstr;
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bytes.value.as_external_typed_data.callback = Finalizer;
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Dart_CObject* elements[1];
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elements[0] = &bytes;
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Dart_CObject message;
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message.type = Dart_CObject_kArray;
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message.value.as_array.length = 1;
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message.value.as_array.values = elements;
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result = Dart_PostCObject(port, &message);
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}
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if (!result) {
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free(cstr);
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}
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if (FLAG_trace_service) {
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Isolate* isolate = Isolate::Current();
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ASSERT(isolate != NULL);
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int64_t main_port = static_cast<int64_t>(isolate->main_port());
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const char* isolate_name = isolate->name();
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int64_t total_time = OS::GetCurrentTimeMicros() - setup_time_micros_;
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if (result) {
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OS::PrintErr("[+%" Pd64 "ms] Isolate (%" Pd64
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") %s processed service request %s (%" Pd64 "us)\n",
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Dart::UptimeMillis(), main_port, isolate_name, method_,
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total_time);
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} else {
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OS::PrintErr("[+%" Pd64 "ms] Isolate (%" Pd64
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") %s processed service request %s (%" Pd64 "us) FAILED\n",
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Dart::UptimeMillis(), main_port, isolate_name, method_,
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total_time);
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}
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}
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}
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const char* JSONStream::LookupParam(const char* key) const {
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for (int i = 0; i < num_params(); i++) {
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if (strcmp(key, param_keys_[i]) == 0) {
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return param_values_[i];
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}
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}
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return NULL;
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}
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bool JSONStream::HasParam(const char* key) const {
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ASSERT(key);
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return LookupParam(key) != NULL;
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}
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bool JSONStream::ParamIs(const char* key, const char* value) const {
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ASSERT(key);
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ASSERT(value);
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const char* key_value = LookupParam(key);
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return (key_value != NULL) && (strcmp(key_value, value) == 0);
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}
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void JSONStream::ComputeOffsetAndCount(intptr_t length,
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intptr_t* offset,
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intptr_t* count) {
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// This function is written to avoid adding (count + offset) in case
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// that triggers an integer overflow.
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*offset = offset_;
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if (*offset > length) {
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*offset = length;
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}
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intptr_t remaining = length - *offset;
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*count = count_;
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if (*count < 0 || *count > remaining) {
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*count = remaining;
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}
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}
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void JSONStream::PrintfValue(const char* format, ...) {
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va_list args;
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va_start(args, format);
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VPrintfValue(format, args);
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va_end(args);
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}
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void JSONStream::PrintValue(const Object& o, bool ref) {
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PrintCommaIfNeeded();
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o.PrintJSON(this, ref);
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}
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void JSONStream::PrintValue(Breakpoint* bpt) {
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PrintCommaIfNeeded();
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bpt->PrintJSON(this);
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}
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void JSONStream::PrintValue(TokenPosition tp) {
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PrintCommaIfNeeded();
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PrintValue(static_cast<intptr_t>(tp.Serialize()));
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}
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void JSONStream::PrintValue(const ServiceEvent* event) {
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PrintCommaIfNeeded();
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event->PrintJSON(this);
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}
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void JSONStream::PrintValue(Metric* metric) {
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PrintCommaIfNeeded();
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metric->PrintJSON(this);
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}
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void JSONStream::PrintValue(MessageQueue* queue) {
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PrintCommaIfNeeded();
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queue->PrintJSON(this);
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}
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void JSONStream::PrintValue(Isolate* isolate, bool ref) {
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PrintCommaIfNeeded();
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isolate->PrintJSON(this, ref);
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}
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void JSONStream::PrintValue(IsolateGroup* isolate_group, bool ref) {
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PrintCommaIfNeeded();
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isolate_group->PrintJSON(this, ref);
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}
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void JSONStream::PrintValue(const TimelineEvent* timeline_event) {
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PrintCommaIfNeeded();
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timeline_event->PrintJSON(this);
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}
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void JSONStream::PrintValue(const TimelineEventBlock* timeline_event_block) {
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PrintCommaIfNeeded();
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timeline_event_block->PrintJSON(this);
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}
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void JSONStream::PrintValueVM(bool ref) {
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PrintCommaIfNeeded();
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Service::PrintJSONForVM(this, ref);
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}
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void JSONStream::PrintServiceId(const Object& o) {
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ASSERT(id_zone_ != NULL);
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PrintProperty("id", id_zone_->GetServiceId(o));
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}
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#define PRIVATE_NAME_CHECK() \
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if (!IsAllowableKey(name) || ignore_object_depth_ > 0) return
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void JSONStream::PrintProperty(const char* name, const ServiceEvent* event) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValue(event);
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}
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void JSONStream::PrintProperty(const char* name, Breakpoint* bpt) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValue(bpt);
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}
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void JSONStream::PrintProperty(const char* name, TokenPosition tp) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValue(tp);
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}
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void JSONStream::PrintProperty(const char* name, Metric* metric) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValue(metric);
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}
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void JSONStream::PrintProperty(const char* name, MessageQueue* queue) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValue(queue);
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}
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void JSONStream::PrintProperty(const char* name, Isolate* isolate) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValue(isolate);
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}
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void JSONStream::PrintProperty(const char* name,
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const TimelineEvent* timeline_event) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValue(timeline_event);
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}
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void JSONStream::PrintProperty(const char* name,
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const TimelineEventBlock* timeline_event_block) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValue(timeline_event_block);
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}
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void JSONStream::PrintfProperty(const char* name, const char* format, ...) {
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PRIVATE_NAME_CHECK();
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va_list args;
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va_start(args, format);
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writer_.VPrintfProperty(name, format, args);
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va_end(args);
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}
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void JSONStream::set_reply_port(Dart_Port port) {
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reply_port_ = port;
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}
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intptr_t JSONStream::NumObjectParameters() const {
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if (parameter_keys_ == NULL) {
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return 0;
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}
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ASSERT(parameter_keys_ != NULL);
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ASSERT(parameter_values_ != NULL);
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return parameter_keys_->Length();
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}
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ObjectPtr JSONStream::GetObjectParameterKey(intptr_t i) const {
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ASSERT((i >= 0) && (i < NumObjectParameters()));
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return parameter_keys_->At(i);
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}
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ObjectPtr JSONStream::GetObjectParameterValue(intptr_t i) const {
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ASSERT((i >= 0) && (i < NumObjectParameters()));
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return parameter_values_->At(i);
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}
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ObjectPtr JSONStream::LookupObjectParam(const char* c_key) const {
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const String& key = String::Handle(String::New(c_key));
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Object& test = Object::Handle();
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const intptr_t num_object_parameters = NumObjectParameters();
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for (intptr_t i = 0; i < num_object_parameters; i++) {
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test = GetObjectParameterKey(i);
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if (test.IsString() && String::Cast(test).Equals(key)) {
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return GetObjectParameterValue(i);
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}
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}
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return Object::null();
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}
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void JSONStream::SetParams(const char** param_keys,
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const char** param_values,
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intptr_t num_params) {
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param_keys_ = param_keys;
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param_values_ = param_values;
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num_params_ = num_params;
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}
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void JSONStream::PrintProperty(const char* name, const Object& o, bool ref) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValue(o, ref);
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}
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void JSONStream::PrintPropertyVM(const char* name, bool ref) {
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PRIVATE_NAME_CHECK();
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PrintPropertyName(name);
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PrintValueVM(ref);
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}
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JSONObject::JSONObject(const JSONArray* arr) : stream_(arr->stream_) {
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stream_->OpenObject();
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}
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void JSONObject::AddFixedServiceId(const char* format, ...) const {
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// Mark that this id is fixed.
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AddProperty("fixedId", true);
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// Add the id property.
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va_list args;
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va_start(args, format);
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stream_->VPrintfProperty("id", format, args);
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va_end(args);
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}
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void JSONObject::AddServiceId(const char* format, ...) const {
|
|
// Add the id property.
|
|
va_list args;
|
|
va_start(args, format);
|
|
stream_->VPrintfProperty("id", format, args);
|
|
va_end(args);
|
|
}
|
|
|
|
void JSONObject::AddLocation(const Script& script,
|
|
TokenPosition token_pos,
|
|
TokenPosition end_token_pos) const {
|
|
JSONObject location(this, "location");
|
|
location.AddProperty("type", "SourceLocation");
|
|
location.AddProperty("script", script);
|
|
location.AddProperty("tokenPos", token_pos);
|
|
if (end_token_pos.IsReal()) {
|
|
location.AddProperty("endTokenPos", end_token_pos);
|
|
}
|
|
intptr_t line = -1;
|
|
intptr_t column = -1;
|
|
// Add line and column information if token_pos is real.
|
|
if (script.GetTokenLocation(token_pos, &line, &column)) {
|
|
location.AddProperty("line", line);
|
|
location.AddProperty("column", column);
|
|
}
|
|
}
|
|
|
|
void JSONObject::AddLocation(const BreakpointLocation* bpt_loc) const {
|
|
ASSERT(bpt_loc->IsResolved());
|
|
|
|
Zone* zone = Thread::Current()->zone();
|
|
Script& script = Script::Handle(zone);
|
|
TokenPosition token_pos = TokenPosition::kNoSource;
|
|
bpt_loc->GetCodeLocation(&script, &token_pos);
|
|
AddLocation(script, token_pos);
|
|
}
|
|
|
|
void JSONObject::AddLocationLine(const Script& script, intptr_t line) const {
|
|
JSONObject location(this, "location");
|
|
location.AddProperty("type", "SourceLocation");
|
|
location.AddProperty("script", script);
|
|
location.AddProperty("tokenPos", TokenPosition::kNoSource);
|
|
if (line > 0) {
|
|
location.AddProperty("line", line);
|
|
}
|
|
}
|
|
|
|
void JSONObject::AddUnresolvedLocation(
|
|
const BreakpointLocation* bpt_loc) const {
|
|
ASSERT(!bpt_loc->IsResolved());
|
|
|
|
Zone* zone = Thread::Current()->zone();
|
|
Script& script = Script::Handle(zone);
|
|
TokenPosition token_pos = TokenPosition::kNoSource;
|
|
bpt_loc->GetCodeLocation(&script, &token_pos);
|
|
|
|
JSONObject location(this, "location");
|
|
location.AddProperty("type", "UnresolvedSourceLocation");
|
|
if (!script.IsNull()) {
|
|
location.AddProperty("script", script);
|
|
} else {
|
|
const String& scriptUri = String::Handle(zone, bpt_loc->url());
|
|
location.AddPropertyStr("scriptUri", scriptUri);
|
|
}
|
|
if (bpt_loc->requested_line_number() >= 0) {
|
|
// This unresolved breakpoint was specified at a particular line.
|
|
location.AddProperty("line", bpt_loc->requested_line_number());
|
|
if (bpt_loc->requested_column_number() >= 0) {
|
|
location.AddProperty("column", bpt_loc->requested_column_number());
|
|
}
|
|
} else {
|
|
// This unresolved breakpoint was requested at some function entry.
|
|
location.AddProperty("tokenPos", token_pos);
|
|
}
|
|
}
|
|
|
|
void JSONObject::AddPropertyF(const char* name, const char* format, ...) const {
|
|
va_list args;
|
|
va_start(args, format);
|
|
stream_->VPrintfProperty(name, format, args);
|
|
va_end(args);
|
|
}
|
|
|
|
void JSONArray::AddValueF(const char* format, ...) const {
|
|
va_list args;
|
|
va_start(args, format);
|
|
stream_->VPrintfValue(format, args);
|
|
va_end(args);
|
|
}
|
|
|
|
#endif // !PRODUCT
|
|
|
|
} // namespace dart
|