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// Copyright 2021 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/debug/debug-interface.h"
#include "src/api/api-inl.h"
#include "src/base/utils/random-number-generator.h"
#include "src/codegen/script-details.h"
#include "src/debug/debug-coverage.h"
#include "src/debug/debug-evaluate.h"
#include "src/debug/debug-property-iterator.h"
#include "src/debug/debug-type-profile.h"
#include "src/debug/debug.h"
#include "src/execution/vm-state-inl.h"
#include "src/objects/js-generator-inl.h"
#include "src/objects/stack-frame-info-inl.h"
#include "src/profiler/heap-profiler.h"
#include "src/regexp/regexp-stack.h"
#include "src/strings/string-builder-inl.h"
#if V8_ENABLE_WEBASSEMBLY
#include "src/debug/debug-wasm-objects-inl.h"
#include "src/wasm/wasm-engine.h"
#endif // V8_ENABLE_WEBASSEMBLY
// Has to be the last include (doesn't have include guards):
#include "src/api/api-macros.h"
namespace v8 {
namespace debug {
void SetContextId(Local<Context> context, int id) {
Utils::OpenHandle(*context)->set_debug_context_id(i::Smi::FromInt(id));
}
int GetContextId(Local<Context> context) {
i::Object value = Utils::OpenHandle(*context)->debug_context_id();
return (value.IsSmi()) ? i::Smi::ToInt(value) : 0;
}
void SetInspector(Isolate* isolate, v8_inspector::V8Inspector* inspector) {
i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
i_isolate->set_inspector(inspector);
}
v8_inspector::V8Inspector* GetInspector(Isolate* isolate) {
return reinterpret_cast<i::Isolate*>(isolate)->inspector();
}
Local<String> GetFunctionDebugName(Local<StackFrame> frame) {
#if V8_ENABLE_WEBASSEMBLY
auto info = Utils::OpenHandle(*frame);
if (info->IsWasm()) {
auto isolate = info->GetIsolate();
auto instance = handle(info->GetWasmInstance(), isolate);
auto func_index = info->GetWasmFunctionIndex();
return Utils::ToLocal(
i::GetWasmFunctionDebugName(isolate, instance, func_index));
}
#endif // V8_ENABLE_WEBASSEMBLY
return frame->GetFunctionName();
}
Local<String> GetFunctionDescription(Local<Function> function) {
auto receiver = Utils::OpenHandle(*function);
if (receiver->IsJSBoundFunction()) {
return Utils::ToLocal(i::JSBoundFunction::ToString(
i::Handle<i::JSBoundFunction>::cast(receiver)));
}
if (receiver->IsJSFunction()) {
auto function = i::Handle<i::JSFunction>::cast(receiver);
#if V8_ENABLE_WEBASSEMBLY
if (function->shared().HasWasmExportedFunctionData()) {
auto isolate = function->GetIsolate();
auto func_index =
function->shared().wasm_exported_function_data().function_index();
auto instance = i::handle(
function->shared().wasm_exported_function_data().instance(), isolate);
if (instance->module()->origin == i::wasm::kWasmOrigin) {
// For asm.js functions, we can still print the source
// code (hopefully), so don't bother with them here.
auto debug_name =
i::GetWasmFunctionDebugName(isolate, instance, func_index);
i::IncrementalStringBuilder builder(isolate);
builder.AppendCString("function ");
builder.AppendString(debug_name);
builder.AppendCString("() { [native code] }");
return Utils::ToLocal(builder.Finish().ToHandleChecked());
}
}
#endif // V8_ENABLE_WEBASSEMBLY
return Utils::ToLocal(i::JSFunction::ToString(function));
}
return Utils::ToLocal(
receiver->GetIsolate()->factory()->function_native_code_string());
}
void SetBreakOnNextFunctionCall(Isolate* isolate) {
reinterpret_cast<i::Isolate*>(isolate)->debug()->SetBreakOnNextFunctionCall();
}
void ClearBreakOnNextFunctionCall(Isolate* isolate) {
reinterpret_cast<i::Isolate*>(isolate)
->debug()
->ClearBreakOnNextFunctionCall();
}
MaybeLocal<Array> GetInternalProperties(Isolate* v8_isolate,
Local<Value> value) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
i::Handle<i::Object> val = Utils::OpenHandle(*value);
i::Handle<i::JSArray> result;
if (!i::Runtime::GetInternalProperties(isolate, val).ToHandle(&result))
return MaybeLocal<Array>();
return Utils::ToLocal(result);
}
namespace {
void CollectPrivateMethodsAndAccessorsFromContext(
i::Isolate* isolate, i::Handle<i::Context> context,
i::IsStaticFlag is_static_flag, std::vector<Local<Value>>* names_out,
std::vector<Local<Value>>* values_out) {
i::Handle<i::ScopeInfo> scope_info(context->scope_info(), isolate);
int local_count = scope_info->ContextLocalCount();
for (int j = 0; j < local_count; ++j) {
i::VariableMode mode = scope_info->ContextLocalMode(j);
i::IsStaticFlag flag = scope_info->ContextLocalIsStaticFlag(j);
if (!i::IsPrivateMethodOrAccessorVariableMode(mode) ||
flag != is_static_flag) {
continue;
}
i::Handle<i::String> name(scope_info->ContextLocalName(j), isolate);
int context_index = scope_info->ContextHeaderLength() + j;
i::Handle<i::Object> slot_value(context->get(context_index), isolate);
DCHECK_IMPLIES(mode == i::VariableMode::kPrivateMethod,
slot_value->IsJSFunction());
DCHECK_IMPLIES(mode != i::VariableMode::kPrivateMethod,
slot_value->IsAccessorPair());
names_out->push_back(Utils::ToLocal(name));
values_out->push_back(Utils::ToLocal(slot_value));
}
}
} // namespace
bool GetPrivateMembers(Local<Context> context, Local<Object> value,
std::vector<Local<Value>>* names_out,
std::vector<Local<Value>>* values_out) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(context->GetIsolate());
LOG_API(isolate, debug, GetPrivateMembers);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
i::Handle<i::JSReceiver> receiver = Utils::OpenHandle(*value);
i::Handle<i::JSArray> names;
i::Handle<i::FixedArray> values;
i::PropertyFilter key_filter =
static_cast<i::PropertyFilter>(i::PropertyFilter::PRIVATE_NAMES_ONLY);
i::Handle<i::FixedArray> keys;
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate, keys,
i::KeyAccumulator::GetKeys(receiver, i::KeyCollectionMode::kOwnOnly,
key_filter,
i::GetKeysConversion::kConvertToString),
false);
// Estimate number of private fields and private instance methods/accessors.
int private_entries_count = 0;
for (int i = 0; i < keys->length(); ++i) {
// Exclude the private brand symbols.
i::Handle<i::Symbol> key(i::Symbol::cast(keys->get(i)), isolate);
if (key->is_private_brand()) {
i::Handle<i::Object> value;
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate, value, i::Object::GetProperty(isolate, receiver, key),
false);
i::Handle<i::Context> context(i::Context::cast(*value), isolate);
i::Handle<i::ScopeInfo> scope_info(context->scope_info(), isolate);
// At least one slot contains the brand symbol so it does not count.
private_entries_count += (scope_info->ContextLocalCount() - 1);
} else {
private_entries_count++;
}
}
// Estimate number of static private methods/accessors for classes.
bool has_static_private_methods_or_accessors = false;
if (receiver->IsJSFunction()) {
i::Handle<i::JSFunction> func(i::JSFunction::cast(*receiver), isolate);
i::Handle<i::SharedFunctionInfo> shared(func->shared(), isolate);
if (shared->is_class_constructor() &&
shared->has_static_private_methods_or_accessors()) {
has_static_private_methods_or_accessors = true;
i::Handle<i::Context> context(func->context(), isolate);
i::Handle<i::ScopeInfo> scope_info(context->scope_info(), isolate);
int local_count = scope_info->ContextLocalCount();
for (int j = 0; j < local_count; ++j) {
i::VariableMode mode = scope_info->ContextLocalMode(j);
i::IsStaticFlag is_static_flag =
scope_info->ContextLocalIsStaticFlag(j);
if (i::IsPrivateMethodOrAccessorVariableMode(mode) &&
is_static_flag == i::IsStaticFlag::kStatic) {
private_entries_count += local_count;
break;
}
}
}
}
DCHECK(names_out->empty());
names_out->reserve(private_entries_count);
DCHECK(values_out->empty());
values_out->reserve(private_entries_count);
if (has_static_private_methods_or_accessors) {
i::Handle<i::Context> context(i::JSFunction::cast(*receiver).context(),
isolate);
CollectPrivateMethodsAndAccessorsFromContext(
isolate, context, i::IsStaticFlag::kStatic, names_out, values_out);
}
for (int i = 0; i < keys->length(); ++i) {
i::Handle<i::Object> obj_key(keys->get(i), isolate);
i::Handle<i::Symbol> key(i::Symbol::cast(*obj_key), isolate);
CHECK(key->is_private_name());
i::Handle<i::Object> value;
ASSIGN_RETURN_ON_EXCEPTION_VALUE(
isolate, value, i::Object::GetProperty(isolate, receiver, key), false);
if (key->is_private_brand()) {
DCHECK(value->IsContext());
i::Handle<i::Context> context(i::Context::cast(*value), isolate);
CollectPrivateMethodsAndAccessorsFromContext(
isolate, context, i::IsStaticFlag::kNotStatic, names_out, values_out);
} else { // Private fields
i::Handle<i::String> name(
i::String::cast(i::Symbol::cast(*key).description()), isolate);
names_out->push_back(Utils::ToLocal(name));
values_out->push_back(Utils::ToLocal(value));
}
}
DCHECK_EQ(names_out->size(), values_out->size());
DCHECK_LE(names_out->size(), private_entries_count);
return true;
}
MaybeLocal<Context> GetCreationContext(Local<Object> value) {
i::Handle<i::Object> val = Utils::OpenHandle(*value);
if (val->IsJSGlobalProxy()) {
return MaybeLocal<Context>();
}
return value->GetCreationContext();
}
void ChangeBreakOnException(Isolate* isolate, ExceptionBreakState type) {
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
internal_isolate->debug()->ChangeBreakOnException(
i::BreakException, type == BreakOnAnyException);
internal_isolate->debug()->ChangeBreakOnException(i::BreakUncaughtException,
type != NoBreakOnException);
}
void SetBreakPointsActive(Isolate* v8_isolate, bool is_active) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
isolate->debug()->set_break_points_active(is_active);
}
void PrepareStep(Isolate* v8_isolate, StepAction action) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_DO_NOT_USE(isolate);
CHECK(isolate->debug()->CheckExecutionState());
// Clear all current stepping setup.
isolate->debug()->ClearStepping();
// Prepare step.
isolate->debug()->PrepareStep(static_cast<i::StepAction>(action));
}
void ClearStepping(Isolate* v8_isolate) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
// Clear all current stepping setup.
isolate->debug()->ClearStepping();
}
void BreakRightNow(Isolate* v8_isolate) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_DO_NOT_USE(isolate);
isolate->debug()->HandleDebugBreak(i::kIgnoreIfAllFramesBlackboxed);
}
void SetTerminateOnResume(Isolate* v8_isolate) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
isolate->debug()->SetTerminateOnResume();
}
bool CanBreakProgram(Isolate* v8_isolate) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_DO_NOT_USE(isolate);
// We cannot break a program if we are currently running a regexp.
// TODO(yangguo): fix this exception.
return !isolate->regexp_stack()->is_in_use() &&
isolate->debug()->AllFramesOnStackAreBlackboxed();
}
Isolate* Script::GetIsolate() const {
return reinterpret_cast<Isolate*>(Utils::OpenHandle(this)->GetIsolate());
}
ScriptOriginOptions Script::OriginOptions() const {
return Utils::OpenHandle(this)->origin_options();
}
bool Script::WasCompiled() const {
return Utils::OpenHandle(this)->compilation_state() ==
i::Script::COMPILATION_STATE_COMPILED;
}
bool Script::IsEmbedded() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
return script->context_data() ==
script->GetReadOnlyRoots().uninitialized_symbol();
}
int Script::Id() const { return Utils::OpenHandle(this)->id(); }
int Script::LineOffset() const {
return Utils::OpenHandle(this)->line_offset();
}
int Script::ColumnOffset() const {
return Utils::OpenHandle(this)->column_offset();
}
std::vector<int> Script::LineEnds() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
#if V8_ENABLE_WEBASSEMBLY
if (script->type() == i::Script::TYPE_WASM) return {};
#endif // V8_ENABLE_WEBASSEMBLY
i::Isolate* isolate = script->GetIsolate();
i::HandleScope scope(isolate);
i::Script::InitLineEnds(isolate, script);
CHECK(script->line_ends().IsFixedArray());
i::Handle<i::FixedArray> line_ends(i::FixedArray::cast(script->line_ends()),
isolate);
std::vector<int> result(line_ends->length());
for (int i = 0; i < line_ends->length(); ++i) {
i::Smi line_end = i::Smi::cast(line_ends->get(i));
result[i] = line_end.value();
}
return result;
}
MaybeLocal<String> Script::Name() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Isolate* isolate = script->GetIsolate();
i::HandleScope handle_scope(isolate);
i::Handle<i::Object> value(script->name(), isolate);
if (!value->IsString()) return MaybeLocal<String>();
return Utils::ToLocal(
handle_scope.CloseAndEscape(i::Handle<i::String>::cast(value)));
}
MaybeLocal<String> Script::SourceURL() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Isolate* isolate = script->GetIsolate();
i::HandleScope handle_scope(isolate);
i::Handle<i::Object> value(script->source_url(), isolate);
if (!value->IsString()) return MaybeLocal<String>();
return Utils::ToLocal(
handle_scope.CloseAndEscape(i::Handle<i::String>::cast(value)));
}
MaybeLocal<String> Script::SourceMappingURL() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Isolate* isolate = script->GetIsolate();
i::HandleScope handle_scope(isolate);
i::Handle<i::Object> value(script->source_mapping_url(), isolate);
if (!value->IsString()) return MaybeLocal<String>();
return Utils::ToLocal(
handle_scope.CloseAndEscape(i::Handle<i::String>::cast(value)));
}
Maybe<int> Script::ContextId() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Isolate* isolate = script->GetIsolate();
i::HandleScope handle_scope(isolate);
i::Object value = script->context_data();
if (value.IsSmi()) return Just(i::Smi::ToInt(value));
return Nothing<int>();
}
MaybeLocal<String> Script::Source() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Isolate* isolate = script->GetIsolate();
i::HandleScope handle_scope(isolate);
i::Handle<i::Object> value(script->source(), isolate);
if (!value->IsString()) return MaybeLocal<String>();
return Utils::ToLocal(
handle_scope.CloseAndEscape(i::Handle<i::String>::cast(value)));
}
#if V8_ENABLE_WEBASSEMBLY
bool Script::IsWasm() const {
return Utils::OpenHandle(this)->type() == i::Script::TYPE_WASM;
}
#endif // V8_ENABLE_WEBASSEMBLY
bool Script::IsModule() const {
return Utils::OpenHandle(this)->origin_options().IsModule();
}
namespace {
int GetSmiValue(i::Handle<i::FixedArray> array, int index) {
return i::Smi::ToInt(array->get(index));
}
bool CompareBreakLocation(const i::BreakLocation& loc1,
const i::BreakLocation& loc2) {
return loc1.position() < loc2.position();
}
} // namespace
bool Script::GetPossibleBreakpoints(
const Location& start, const Location& end, bool restrict_to_function,
std::vector<BreakLocation>* locations) const {
CHECK(!start.IsEmpty());
i::Handle<i::Script> script = Utils::OpenHandle(this);
#if V8_ENABLE_WEBASSEMBLY
if (script->type() == i::Script::TYPE_WASM) {
i::wasm::NativeModule* native_module = script->wasm_native_module();
return i::WasmScript::GetPossibleBreakpoints(native_module, start, end,
locations);
}
#endif // V8_ENABLE_WEBASSEMBLY
i::Isolate* isolate = script->GetIsolate();
i::Script::InitLineEnds(isolate, script);
CHECK(script->line_ends().IsFixedArray());
i::Handle<i::FixedArray> line_ends =
i::Handle<i::FixedArray>::cast(i::handle(script->line_ends(), isolate));
CHECK(line_ends->length());
int start_offset = GetSourceOffset(start);
int end_offset = end.IsEmpty()
? GetSmiValue(line_ends, line_ends->length() - 1) + 1
: GetSourceOffset(end);
if (start_offset >= end_offset) return true;
std::vector<i::BreakLocation> v8_locations;
if (!isolate->debug()->GetPossibleBreakpoints(
script, start_offset, end_offset, restrict_to_function,
&v8_locations)) {
return false;
}
std::sort(v8_locations.begin(), v8_locations.end(), CompareBreakLocation);
int current_line_end_index = 0;
for (const auto& v8_location : v8_locations) {
int offset = v8_location.position();
while (offset > GetSmiValue(line_ends, current_line_end_index)) {
++current_line_end_index;
CHECK(current_line_end_index < line_ends->length());
}
int line_offset = 0;
if (current_line_end_index > 0) {
line_offset = GetSmiValue(line_ends, current_line_end_index - 1) + 1;
}
locations->emplace_back(
current_line_end_index + script->line_offset(),
offset - line_offset +
(current_line_end_index == 0 ? script->column_offset() : 0),
v8_location.type());
}
return true;
}
int Script::GetSourceOffset(const Location& location) const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
#if V8_ENABLE_WEBASSEMBLY
if (script->type() == i::Script::TYPE_WASM) {
DCHECK_EQ(0, location.GetLineNumber());
return location.GetColumnNumber();
}
#endif // V8_ENABLE_WEBASSEMBLY
int line = std::max(location.GetLineNumber() - script->line_offset(), 0);
int column = location.GetColumnNumber();
if (line == 0) {
column = std::max(0, column - script->column_offset());
}
i::Script::InitLineEnds(script->GetIsolate(), script);
CHECK(script->line_ends().IsFixedArray());
i::Handle<i::FixedArray> line_ends = i::Handle<i::FixedArray>::cast(
i::handle(script->line_ends(), script->GetIsolate()));
CHECK(line_ends->length());
if (line >= line_ends->length())
return GetSmiValue(line_ends, line_ends->length() - 1);
int line_offset = GetSmiValue(line_ends, line);
if (line == 0) return std::min(column, line_offset);
int prev_line_offset = GetSmiValue(line_ends, line - 1);
return std::min(prev_line_offset + column + 1, line_offset);
}
Location Script::GetSourceLocation(int offset) const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Script::PositionInfo info;
i::Script::GetPositionInfo(script, offset, &info, i::Script::WITH_OFFSET);
return Location(info.line, info.column);
}
bool Script::SetScriptSource(Local<String> newSource, bool preview,
LiveEditResult* result) const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Isolate* isolate = script->GetIsolate();
return isolate->debug()->SetScriptSource(
script, Utils::OpenHandle(*newSource), preview, result);
}
bool Script::SetBreakpoint(Local<String> condition, Location* location,
BreakpointId* id) const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Isolate* isolate = script->GetIsolate();
int offset = GetSourceOffset(*location);
if (!isolate->debug()->SetBreakPointForScript(
script, Utils::OpenHandle(*condition), &offset, id)) {
return false;
}
*location = GetSourceLocation(offset);
return true;
}
bool Script::SetBreakpointOnScriptEntry(BreakpointId* id) const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Isolate* isolate = script->GetIsolate();
#if V8_ENABLE_WEBASSEMBLY
if (script->type() == i::Script::TYPE_WASM) {
isolate->debug()->SetOnEntryBreakpointForWasmScript(script, id);
return true;
}
#endif // V8_ENABLE_WEBASSEMBLY
i::SharedFunctionInfo::ScriptIterator it(isolate, *script);
for (i::SharedFunctionInfo sfi = it.Next(); !sfi.is_null(); sfi = it.Next()) {
if (sfi.is_toplevel()) {
return isolate->debug()->SetBreakpointForFunction(
handle(sfi, isolate), isolate->factory()->empty_string(), id);
}
}
return false;
}
#if V8_ENABLE_WEBASSEMBLY
void Script::RemoveWasmBreakpoint(BreakpointId id) {
i::Handle<i::Script> script = Utils::OpenHandle(this);
i::Isolate* isolate = script->GetIsolate();
isolate->debug()->RemoveBreakpointForWasmScript(script, id);
}
#endif // V8_ENABLE_WEBASSEMBLY
void RemoveBreakpoint(Isolate* v8_isolate, BreakpointId id) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
i::HandleScope handle_scope(isolate);
isolate->debug()->RemoveBreakpoint(id);
}
Platform* GetCurrentPlatform() { return i::V8::GetCurrentPlatform(); }
void ForceGarbageCollection(
Isolate* isolate,
EmbedderHeapTracer::EmbedderStackState embedder_stack_state) {
i::Heap* heap = reinterpret_cast<i::Isolate*>(isolate)->heap();
heap->SetEmbedderStackStateForNextFinalization(embedder_stack_state);
isolate->LowMemoryNotification();
}
#if V8_ENABLE_WEBASSEMBLY
WasmScript* WasmScript::Cast(Script* script) {
CHECK(script->IsWasm());
return static_cast<WasmScript*>(script);
}
WasmScript::DebugSymbolsType WasmScript::GetDebugSymbolType() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
DCHECK_EQ(i::Script::TYPE_WASM, script->type());
switch (script->wasm_native_module()->module()->debug_symbols.type) {
case i::wasm::WasmDebugSymbols::Type::None:
return WasmScript::DebugSymbolsType::None;
case i::wasm::WasmDebugSymbols::Type::EmbeddedDWARF:
return WasmScript::DebugSymbolsType::EmbeddedDWARF;
case i::wasm::WasmDebugSymbols::Type::ExternalDWARF:
return WasmScript::DebugSymbolsType::ExternalDWARF;
case i::wasm::WasmDebugSymbols::Type::SourceMap:
return WasmScript::DebugSymbolsType::SourceMap;
}
}
MemorySpan<const char> WasmScript::ExternalSymbolsURL() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
DCHECK_EQ(i::Script::TYPE_WASM, script->type());
const i::wasm::WasmDebugSymbols& symbols =
script->wasm_native_module()->module()->debug_symbols;
if (symbols.external_url.is_empty()) return {};
internal::wasm::ModuleWireBytes wire_bytes(
script->wasm_native_module()->wire_bytes());
i::wasm::WasmName external_url =
wire_bytes.GetNameOrNull(symbols.external_url);
return {external_url.data(), external_url.size()};
}
int WasmScript::NumFunctions() const {
i::DisallowGarbageCollection no_gc;
i::Handle<i::Script> script = Utils::OpenHandle(this);
DCHECK_EQ(i::Script::TYPE_WASM, script->type());
i::wasm::NativeModule* native_module = script->wasm_native_module();
const i::wasm::WasmModule* module = native_module->module();
DCHECK_GE(i::kMaxInt, module->functions.size());
return static_cast<int>(module->functions.size());
}
int WasmScript::NumImportedFunctions() const {
i::DisallowGarbageCollection no_gc;
i::Handle<i::Script> script = Utils::OpenHandle(this);
DCHECK_EQ(i::Script::TYPE_WASM, script->type());
i::wasm::NativeModule* native_module = script->wasm_native_module();
const i::wasm::WasmModule* module = native_module->module();
DCHECK_GE(i::kMaxInt, module->num_imported_functions);
return static_cast<int>(module->num_imported_functions);
}
MemorySpan<const uint8_t> WasmScript::Bytecode() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
base::Vector<const uint8_t> wire_bytes =
script->wasm_native_module()->wire_bytes();
return {wire_bytes.begin(), wire_bytes.size()};
}
std::pair<int, int> WasmScript::GetFunctionRange(int function_index) const {
i::DisallowGarbageCollection no_gc;
i::Handle<i::Script> script = Utils::OpenHandle(this);
DCHECK_EQ(i::Script::TYPE_WASM, script->type());
i::wasm::NativeModule* native_module = script->wasm_native_module();
const i::wasm::WasmModule* module = native_module->module();
DCHECK_LE(0, function_index);
DCHECK_GT(module->functions.size(), function_index);
const i::wasm::WasmFunction& func = module->functions[function_index];
DCHECK_GE(i::kMaxInt, func.code.offset());
DCHECK_GE(i::kMaxInt, func.code.end_offset());
return std::make_pair(static_cast<int>(func.code.offset()),
static_cast<int>(func.code.end_offset()));
}
int WasmScript::GetContainingFunction(int byte_offset) const {
i::DisallowGarbageCollection no_gc;
i::Handle<i::Script> script = Utils::OpenHandle(this);
DCHECK_EQ(i::Script::TYPE_WASM, script->type());
i::wasm::NativeModule* native_module = script->wasm_native_module();
const i::wasm::WasmModule* module = native_module->module();
DCHECK_LE(0, byte_offset);
return i::wasm::GetContainingWasmFunction(module, byte_offset);
}
uint32_t WasmScript::GetFunctionHash(int function_index) {
i::DisallowGarbageCollection no_gc;
i::Handle<i::Script> script = Utils::OpenHandle(this);
DCHECK_EQ(i::Script::TYPE_WASM, script->type());
i::wasm::NativeModule* native_module = script->wasm_native_module();
const i::wasm::WasmModule* module = native_module->module();
DCHECK_LE(0, function_index);
DCHECK_GT(module->functions.size(), function_index);
const i::wasm::WasmFunction& func = module->functions[function_index];
i::wasm::ModuleWireBytes wire_bytes(native_module->wire_bytes());
base::Vector<const i::byte> function_bytes =
wire_bytes.GetFunctionBytes(&func);
// TODO(herhut): Maybe also take module, name and signature into account.
return i::StringHasher::HashSequentialString(function_bytes.begin(),
function_bytes.length(), 0);
}
int WasmScript::CodeOffset() const {
i::Handle<i::Script> script = Utils::OpenHandle(this);
DCHECK_EQ(i::Script::TYPE_WASM, script->type());
i::wasm::NativeModule* native_module = script->wasm_native_module();
const i::wasm::WasmModule* module = native_module->module();
// If the module contains at least one function, the code offset must have
// been initialized, and it cannot be zero.
DCHECK_IMPLIES(module->num_declared_functions > 0,
module->code.offset() != 0);
return module->code.offset();
}
#endif // V8_ENABLE_WEBASSEMBLY
Location::Location(int line_number, int column_number)
: line_number_(line_number),
column_number_(column_number),
is_empty_(false) {}
Location::Location()
: line_number_(Function::kLineOffsetNotFound),
column_number_(Function::kLineOffsetNotFound),
is_empty_(true) {}
int Location::GetLineNumber() const {
DCHECK(!IsEmpty());
return line_number_;
}
int Location::GetColumnNumber() const {
DCHECK(!IsEmpty());
return column_number_;
}
bool Location::IsEmpty() const { return is_empty_; }
void GetLoadedScripts(Isolate* v8_isolate,
PersistentValueVector<Script>& scripts) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
{
i::DisallowGarbageCollection no_gc;
i::Script::Iterator iterator(isolate);
for (i::Script script = iterator.Next(); !script.is_null();
script = iterator.Next()) {
#if V8_ENABLE_WEBASSEMBLY
if (script.type() != i::Script::TYPE_NORMAL &&
script.type() != i::Script::TYPE_WASM) {
continue;
}
#else
if (script.type() != i::Script::TYPE_NORMAL) continue;
#endif // V8_ENABLE_WEBASSEMBLY
if (!script.HasValidSource()) continue;
i::HandleScope handle_scope(isolate);
i::Handle<i::Script> script_handle(script, isolate);
scripts.Append(ToApiHandle<Script>(script_handle));
}
}
}
MaybeLocal<UnboundScript> CompileInspectorScript(Isolate* v8_isolate,
Local<String> source) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
PREPARE_FOR_DEBUG_INTERFACE_EXECUTION_WITH_ISOLATE(isolate, UnboundScript);
i::Handle<i::String> str = Utils::OpenHandle(*source);
i::Handle<i::SharedFunctionInfo> result;
{
i::ScriptData* script_data = nullptr;
i::MaybeHandle<i::SharedFunctionInfo> maybe_function_info =
i::Compiler::GetSharedFunctionInfoForScript(
isolate, str, i::ScriptDetails(), nullptr, script_data,
ScriptCompiler::kNoCompileOptions,
ScriptCompiler::kNoCacheBecauseInspector,
i::FLAG_expose_inspector_scripts ? i::NOT_NATIVES_CODE
: i::INSPECTOR_CODE);
has_pending_exception = !maybe_function_info.ToHandle(&result);
RETURN_ON_FAILED_EXECUTION(UnboundScript);
}
RETURN_ESCAPED(ToApiHandle<UnboundScript>(result));
}
#if V8_ENABLE_WEBASSEMBLY
void TierDownAllModulesPerIsolate(Isolate* v8_isolate) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
i::wasm::GetWasmEngine()->TierDownAllModulesPerIsolate(isolate);
}
void TierUpAllModulesPerIsolate(Isolate* v8_isolate) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
i::wasm::GetWasmEngine()->TierUpAllModulesPerIsolate(isolate);
}
#endif // V8_ENABLE_WEBASSEMBLY
void SetDebugDelegate(Isolate* v8_isolate, DebugDelegate* delegate) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
isolate->debug()->SetDebugDelegate(delegate);
}
void SetAsyncEventDelegate(Isolate* v8_isolate, AsyncEventDelegate* delegate) {
reinterpret_cast<i::Isolate*>(v8_isolate)->set_async_event_delegate(delegate);
}
void ResetBlackboxedStateCache(Isolate* v8_isolate, Local<Script> script) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
i::DisallowGarbageCollection no_gc;
i::SharedFunctionInfo::ScriptIterator iter(isolate,
*Utils::OpenHandle(*script));
for (i::SharedFunctionInfo info = iter.Next(); !info.is_null();
info = iter.Next()) {
if (info.HasDebugInfo()) {
info.GetDebugInfo().set_computed_debug_is_blackboxed(false);
}
}
}
int EstimatedValueSize(Isolate* v8_isolate, Local<Value> value) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
i::Handle<i::Object> object = Utils::OpenHandle(*value);
if (object->IsSmi()) return i::kTaggedSize;
CHECK(object->IsHeapObject());
return i::Handle<i::HeapObject>::cast(object)->Size();
}
void AccessorPair::CheckCast(Value* that) {
i::Handle<i::Object> obj = Utils::OpenHandle(that);
Utils::ApiCheck(obj->IsAccessorPair(), "v8::debug::AccessorPair::Cast",
"Value is not a v8::debug::AccessorPair");
}
#if V8_ENABLE_WEBASSEMBLY
void WasmValueObject::CheckCast(Value* that) {
i::Handle<i::Object> obj = Utils::OpenHandle(that);
Utils::ApiCheck(obj->IsWasmValueObject(), "v8::debug::WasmValueObject::Cast",
"Value is not a v8::debug::WasmValueObject");
}
bool WasmValueObject::IsWasmValueObject(Local<Value> that) {
i::Handle<i::Object> obj = Utils::OpenHandle(*that);
return obj->IsWasmValueObject();
}
Local<String> WasmValueObject::type() const {
i::Handle<i::WasmValueObject> object =
i::Handle<i::WasmValueObject>::cast(Utils::OpenHandle(this));
i::Isolate* isolate = object->GetIsolate();
i::Handle<i::String> type(object->type(), isolate);
return Utils::ToLocal(type);
}
#endif // V8_ENABLE_WEBASSEMBLY
Local<Function> GetBuiltin(Isolate* v8_isolate, Builtin requested_builtin) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
i::HandleScope handle_scope(isolate);
CHECK_EQ(requested_builtin, kStringToLowerCase);
i::Builtin builtin = i::Builtin::kStringPrototypeToLocaleLowerCase;
i::Factory* factory = isolate->factory();
i::Handle<i::String> name = isolate->factory()->empty_string();
i::Handle<i::NativeContext> context(isolate->native_context());
i::Handle<i::SharedFunctionInfo> info =
factory->NewSharedFunctionInfoForBuiltin(name, builtin);
info->set_language_mode(i::LanguageMode::kStrict);
i::Handle<i::JSFunction> fun =
i::Factory::JSFunctionBuilder{isolate, info, context}
.set_map(isolate->strict_function_without_prototype_map())
.Build();
fun->shared().set_internal_formal_parameter_count(0);
fun->shared().set_length(0);
return Utils::ToLocal(handle_scope.CloseAndEscape(fun));
}
void SetConsoleDelegate(Isolate* v8_isolate, ConsoleDelegate* delegate) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
isolate->set_console_delegate(delegate);
}
ConsoleCallArguments::ConsoleCallArguments(
const v8::FunctionCallbackInfo<v8::Value>& info)
: v8::FunctionCallbackInfo<v8::Value>(nullptr, info.values_, info.length_) {
}
ConsoleCallArguments::ConsoleCallArguments(
const internal::BuiltinArguments& args)
: v8::FunctionCallbackInfo<v8::Value>(
nullptr,
// Drop the first argument (receiver, i.e. the "console" object).
args.length() > 1 ? args.address_of_first_argument() : nullptr,
args.length() - 1) {}
// Marked V8_DEPRECATED.
int GetStackFrameId(v8::Local<v8::StackFrame> frame) { return 0; }
v8::Local<v8::StackTrace> GetDetailedStackTrace(
Isolate* v8_isolate, v8::Local<v8::Object> v8_error) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
i::Handle<i::JSReceiver> error = Utils::OpenHandle(*v8_error);
if (!error->IsJSObject()) {
return v8::Local<v8::StackTrace>();
}
i::Handle<i::FixedArray> stack_trace =
isolate->GetDetailedStackTrace(i::Handle<i::JSObject>::cast(error));
return Utils::StackTraceToLocal(stack_trace);
}
MaybeLocal<Script> GeneratorObject::Script() {
i::Handle<i::JSGeneratorObject> obj = Utils::OpenHandle(this);
i::Object maybe_script = obj->function().shared().script();
if (!maybe_script.IsScript()) return {};
i::Handle<i::Script> script(i::Script::cast(maybe_script), obj->GetIsolate());
return ToApiHandle<v8::debug::Script>(script);
}
Local<Function> GeneratorObject::Function() {
i::Handle<i::JSGeneratorObject> obj = Utils::OpenHandle(this);
return Utils::ToLocal(handle(obj->function(), obj->GetIsolate()));
}
Location GeneratorObject::SuspendedLocation() {
i::Handle<i::JSGeneratorObject> obj = Utils::OpenHandle(this);
CHECK(obj->is_suspended());
i::Object maybe_script = obj->function().shared().script();
if (!maybe_script.IsScript()) return Location();
i::Isolate* isolate = obj->GetIsolate();
i::Handle<i::Script> script(i::Script::cast(maybe_script), isolate);
i::Script::PositionInfo info;
i::SharedFunctionInfo::EnsureSourcePositionsAvailable(
isolate, i::handle(obj->function().shared(), isolate));
i::Script::GetPositionInfo(script, obj->source_position(), &info,
i::Script::WITH_OFFSET);
return Location(info.line, info.column);
}
bool GeneratorObject::IsSuspended() {
return Utils::OpenHandle(this)->is_suspended();
}
v8::Local<GeneratorObject> GeneratorObject::Cast(v8::Local<v8::Value> value) {
CHECK(value->IsGeneratorObject());
return ToApiHandle<GeneratorObject>(Utils::OpenHandle(*value));
}
MaybeLocal<Value> CallFunctionOn(Local<Context> context,
Local<Function> function, Local<Value> recv,
int argc, Local<Value> argv[],
bool throw_on_side_effect) {
auto isolate = reinterpret_cast<i::Isolate*>(context->GetIsolate());
PREPARE_FOR_DEBUG_INTERFACE_EXECUTION_WITH_ISOLATE(isolate, Value);
auto self = Utils::OpenHandle(*function);
auto recv_obj = Utils::OpenHandle(*recv);
STATIC_ASSERT(sizeof(v8::Local<v8::Value>) == sizeof(i::Handle<i::Object>));
auto args = reinterpret_cast<i::Handle<i::Object>*>(argv);
// Disable breaks in side-effect free mode.
i::DisableBreak disable_break_scope(isolate->debug(), throw_on_side_effect);
if (throw_on_side_effect) {
isolate->debug()->StartSideEffectCheckMode();
}
Local<Value> result;
has_pending_exception = !ToLocal<Value>(
i::Execution::Call(isolate, self, recv_obj, argc, args), &result);
if (throw_on_side_effect) {
isolate->debug()->StopSideEffectCheckMode();
}
RETURN_ON_FAILED_EXECUTION(Value);
RETURN_ESCAPED(result);
}
MaybeLocal<v8::Value> EvaluateGlobal(v8::Isolate* isolate,
v8::Local<v8::String> source,
EvaluateGlobalMode mode, bool repl) {
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
PREPARE_FOR_DEBUG_INTERFACE_EXECUTION_WITH_ISOLATE(internal_isolate, Value);
i::REPLMode repl_mode = repl ? i::REPLMode::kYes : i::REPLMode::kNo;
Local<Value> result;
has_pending_exception = !ToLocal<Value>(
i::DebugEvaluate::Global(internal_isolate, Utils::OpenHandle(*source),
mode, repl_mode),
&result);
RETURN_ON_FAILED_EXECUTION(Value);
RETURN_ESCAPED(result);
}
v8::MaybeLocal<v8::Value> EvaluateGlobalForTesting(
v8::Isolate* isolate, v8::Local<v8::Script> function,
v8::debug::EvaluateGlobalMode mode, bool repl) {
i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
PREPARE_FOR_DEBUG_INTERFACE_EXECUTION_WITH_ISOLATE(internal_isolate, Value);
i::REPLMode repl_mode = repl ? i::REPLMode::kYes : i::REPLMode::kNo;
Local<Value> result;
has_pending_exception = !ToLocal<Value>(
i::DebugEvaluate::Global(internal_isolate, Utils::OpenHandle(*function),
mode, repl_mode),
&result);
RETURN_ON_FAILED_EXECUTION(Value);
RETURN_ESCAPED(result);
}
void QueryObjects(v8::Local<v8::Context> v8_context,
QueryObjectPredicate* predicate,
PersistentValueVector<v8::Object>* objects) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_context->GetIsolate());
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(isolate);
isolate->heap_profiler()->QueryObjects(Utils::OpenHandle(*v8_context),
predicate, objects);
}
void GlobalLexicalScopeNames(v8::Local<v8::Context> v8_context,
v8::PersistentValueVector<v8::String>* names) {
i::Handle<i::Context> context = Utils::OpenHandle(*v8_context);
i::Isolate* isolate = context->GetIsolate();
i::Handle<i::ScriptContextTable> table(
context->global_object().native_context().script_context_table(),
isolate);
for (int i = 0; i < table->used(kAcquireLoad); i++) {
i::Handle<i::Context> context =
i::ScriptContextTable::GetContext(isolate, table, i);
DCHECK(context->IsScriptContext());
i::Handle<i::ScopeInfo> scope_info(context->scope_info(), isolate);
int local_count = scope_info->ContextLocalCount();
for (int j = 0; j < local_count; ++j) {
i::String name = scope_info->ContextLocalName(j);
if (i::ScopeInfo::VariableIsSynthetic(name)) continue;
names->Append(Utils::ToLocal(handle(name, isolate)));
}
}
}
void SetReturnValue(v8::Isolate* v8_isolate, v8::Local<v8::Value> value) {
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
isolate->debug()->set_return_value(*Utils::OpenHandle(*value));
}
int64_t GetNextRandomInt64(v8::Isolate* v8_isolate) {
return reinterpret_cast<i::Isolate*>(v8_isolate)
->random_number_generator()
->NextInt64();
}
void EnumerateRuntimeCallCounters(v8::Isolate* v8_isolate,
RuntimeCallCounterCallback callback) {
#ifdef V8_RUNTIME_CALL_STATS
i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
if (isolate->counters()) {
isolate->counters()->runtime_call_stats()->EnumerateCounters(callback);
}
#endif // V8_RUNTIME_CALL_STATS
}
int GetDebuggingId(v8::Local<v8::Function> function) {
i::Handle<i::JSReceiver> callable = v8::Utils::OpenHandle(*function);
if (!callable->IsJSFunction()) return i::DebugInfo::kNoDebuggingId;
i::Handle<i::JSFunction> func = i::Handle<i::JSFunction>::cast(callable);
int id = func->GetIsolate()->debug()->GetFunctionDebuggingId(func);
DCHECK_NE(i::DebugInfo::kNoDebuggingId, id);
return id;
}
bool SetFunctionBreakpoint(v8::Local<v8::Function> function,
v8::Local<v8::String> condition, BreakpointId* id) {
i::Handle<i::JSReceiver> callable = Utils::OpenHandle(*function);
if (!callable->IsJSFunction()) return false;
i::Handle<i::JSFunction> jsfunction =
i::Handle<i::JSFunction>::cast(callable);
i::Isolate* isolate = jsfunction->GetIsolate();
i::Handle<i::String> condition_string =
condition.IsEmpty() ? isolate->factory()->empty_string()
: Utils::OpenHandle(*condition);
return isolate->debug()->SetBreakpointForFunction(
handle(jsfunction->shared(), isolate), condition_string, id);
}
PostponeInterruptsScope::PostponeInterruptsScope(v8::Isolate* isolate)
: scope_(
new i::PostponeInterruptsScope(reinterpret_cast<i::Isolate*>(isolate),
i::StackGuard::API_INTERRUPT)) {}
PostponeInterruptsScope::~PostponeInterruptsScope() = default;
DisableBreakScope::DisableBreakScope(v8::Isolate* isolate)
: scope_(std::make_unique<i::DisableBreak>(
reinterpret_cast<i::Isolate*>(isolate)->debug())) {}
DisableBreakScope::~DisableBreakScope() = default;
int Coverage::BlockData::StartOffset() const { return block_->start; }
int Coverage::BlockData::EndOffset() const { return block_->end; }
uint32_t Coverage::BlockData::Count() const { return block_->count; }
int Coverage::FunctionData::StartOffset() const { return function_->start; }
int Coverage::FunctionData::EndOffset() const { return function_->end; }
uint32_t Coverage::FunctionData::Count() const { return function_->count; }
MaybeLocal<String> Coverage::FunctionData::Name() const {
return ToApiHandle<String>(function_->name);
}
size_t Coverage::FunctionData::BlockCount() const {
return function_->blocks.size();
}
bool Coverage::FunctionData::HasBlockCoverage() const {
return function_->has_block_coverage;
}
Coverage::BlockData Coverage::FunctionData::GetBlockData(size_t i) const {
return BlockData(&function_->blocks.at(i), coverage_);
}
Local<Script> Coverage::ScriptData::GetScript() const {
return ToApiHandle<Script>(script_->script);
}
size_t Coverage::ScriptData::FunctionCount() const {
return script_->functions.size();
}
Coverage::FunctionData Coverage::ScriptData::GetFunctionData(size_t i) const {
return FunctionData(&script_->functions.at(i), coverage_);
}
Coverage::ScriptData::ScriptData(size_t index,
std::shared_ptr<i::Coverage> coverage)
: script_(&coverage->at(index)), coverage_(std::move(coverage)) {}
size_t Coverage::ScriptCount() const { return coverage_->size(); }
Coverage::ScriptData Coverage::GetScriptData(size_t i) const {
return ScriptData(i, coverage_);
}
Coverage Coverage::CollectPrecise(Isolate* isolate) {
return Coverage(
i::Coverage::CollectPrecise(reinterpret_cast<i::Isolate*>(isolate)));
}
Coverage Coverage::CollectBestEffort(Isolate* isolate) {
return Coverage(
i::Coverage::CollectBestEffort(reinterpret_cast<i::Isolate*>(isolate)));
}
void Coverage::SelectMode(Isolate* isolate, CoverageMode mode) {
i::Coverage::SelectMode(reinterpret_cast<i::Isolate*>(isolate), mode);
}
int TypeProfile::Entry::SourcePosition() const { return entry_->position; }
std::vector<MaybeLocal<String>> TypeProfile::Entry::Types() const {
std::vector<MaybeLocal<String>> result;
for (const internal::Handle<internal::String>& type : entry_->types) {
result.emplace_back(ToApiHandle<String>(type));
}
return result;
}
TypeProfile::ScriptData::ScriptData(
size_t index, std::shared_ptr<i::TypeProfile> type_profile)
: script_(&type_profile->at(index)),
type_profile_(std::move(type_profile)) {}
Local<Script> TypeProfile::ScriptData::GetScript() const {
return ToApiHandle<Script>(script_->script);
}
std::vector<TypeProfile::Entry> TypeProfile::ScriptData::Entries() const {
std::vector<TypeProfile::Entry> result;
for (const internal::TypeProfileEntry& entry : script_->entries) {
result.push_back(TypeProfile::Entry(&entry, type_profile_));
}
return result;
}
TypeProfile TypeProfile::Collect(Isolate* isolate) {
return TypeProfile(
i::TypeProfile::Collect(reinterpret_cast<i::Isolate*>(isolate)));
}
void TypeProfile::SelectMode(Isolate* isolate, TypeProfileMode mode) {
i::TypeProfile::SelectMode(reinterpret_cast<i::Isolate*>(isolate), mode);
}
size_t TypeProfile::ScriptCount() const { return type_profile_->size(); }
TypeProfile::ScriptData TypeProfile::GetScriptData(size_t i) const {
return ScriptData(i, type_profile_);
}
v8::MaybeLocal<v8::Value> WeakMap::Get(v8::Local<v8::Context> context,
v8::Local<v8::Value> key) {
PREPARE_FOR_EXECUTION(context, WeakMap, Get, Value);
auto self = Utils::OpenHandle(this);
Local<Value> result;
i::Handle<i::Object> argv[] = {Utils::OpenHandle(*key)};
has_pending_exception =
!ToLocal<Value>(i::Execution::CallBuiltin(isolate, isolate->weakmap_get(),
self, arraysize(argv), argv),
&result);
RETURN_ON_FAILED_EXECUTION(Value);
RETURN_ESCAPED(result);
}
v8::Maybe<bool> WeakMap::Delete(v8::Local<v8::Context> context,
v8::Local<v8::Value> key) {
PREPARE_FOR_EXECUTION_WITH_CONTEXT(context, WeakMap, Delete, Nothing<bool>(),
InternalEscapableScope, false);
auto self = Utils::OpenHandle(this);
Local<Value> result;
i::Handle<i::Object> argv[] = {Utils::OpenHandle(*key)};
has_pending_exception = !ToLocal<Value>(
i::Execution::CallBuiltin(isolate, isolate->weakmap_delete(), self,
arraysize(argv), argv),
&result);
RETURN_ON_FAILED_EXECUTION_PRIMITIVE(bool);
return Just(result->IsTrue());
}
v8::MaybeLocal<WeakMap> WeakMap::Set(v8::Local<v8::Context> context,
v8::Local<v8::Value> key,
v8::Local<v8::Value> value) {
PREPARE_FOR_EXECUTION(context, WeakMap, Set, WeakMap);
auto self = Utils::OpenHandle(this);
i::Handle<i::Object> result;
i::Handle<i::Object> argv[] = {Utils::OpenHandle(*key),
Utils::OpenHandle(*value)};
has_pending_exception =
!i::Execution::CallBuiltin(isolate, isolate->weakmap_set(), self,
arraysize(argv), argv)
.ToHandle(&result);
RETURN_ON_FAILED_EXECUTION(WeakMap);
RETURN_ESCAPED(Local<WeakMap>::Cast(Utils::ToLocal(result)));
}
Local<WeakMap> WeakMap::New(v8::Isolate* isolate) {
i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
LOG_API(i_isolate, WeakMap, New);
ENTER_V8_NO_SCRIPT_NO_EXCEPTION(i_isolate);
i::Handle<i::JSWeakMap> obj = i_isolate->factory()->NewJSWeakMap();
return ToApiHandle<WeakMap>(obj);
}
WeakMap* WeakMap::Cast(v8::Value* value) {
return static_cast<WeakMap*>(value);
}
Local<Value> AccessorPair::getter() {
i::Handle<i::AccessorPair> accessors = Utils::OpenHandle(this);
i::Isolate* isolate = accessors->GetIsolate();
i::Handle<i::Object> getter(accessors->getter(), isolate);
return Utils::ToLocal(getter);
}
Local<Value> AccessorPair::setter() {
i::Handle<i::AccessorPair> accessors = Utils::OpenHandle(this);
i::Isolate* isolate = accessors->GetIsolate();
i::Handle<i::Object> setter(accessors->setter(), isolate);
return Utils::ToLocal(setter);
}
bool AccessorPair::IsAccessorPair(Local<Value> that) {
i::Handle<i::Object> obj = Utils::OpenHandle(*that);
return obj->IsAccessorPair();
}
MaybeLocal<Message> GetMessageFromPromise(Local<Promise> p) {
i::Handle<i::JSPromise> promise = Utils::OpenHandle(*p);
i::Isolate* isolate = promise->GetIsolate();
i::Handle<i::Symbol> key = isolate->factory()->promise_debug_message_symbol();
i::Handle<i::Object> maybeMessage =
i::JSReceiver::GetDataProperty(promise, key);
if (!maybeMessage->IsJSMessageObject(isolate)) return MaybeLocal<Message>();
return ToApiHandle<Message>(
i::Handle<i::JSMessageObject>::cast(maybeMessage));
}
std::unique_ptr<PropertyIterator> PropertyIterator::Create(
Local<Context> context, Local<Object> object) {
internal::Isolate* isolate =
reinterpret_cast<i::Isolate*>(object->GetIsolate());
if (IsExecutionTerminatingCheck(isolate)) {
return nullptr;
}
CallDepthScope<false> call_depth_scope(isolate, context);
auto result =
i::DebugPropertyIterator::Create(isolate, Utils::OpenHandle(*object));
if (!result) {
DCHECK(isolate->has_pending_exception());
call_depth_scope.Escape();
}
return result;
}
} // namespace debug
namespace internal {
Maybe<bool> DebugPropertyIterator::Advance() {
if (IsExecutionTerminatingCheck(isolate_)) {
return Nothing<bool>();
}
Local<v8::Context> context =
Utils::ToLocal(handle(isolate_->context(), isolate_));
CallDepthScope<false> call_depth_scope(isolate_, context);
if (!AdvanceInternal()) {
DCHECK(isolate_->has_pending_exception());
call_depth_scope.Escape();
return Nothing<bool>();
}
return Just(true);
}
} // namespace internal
} // namespace v8
#include "src/api/api-macros-undef.h"
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