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https://github.com/dart-lang/sdk
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![Ahmed Ashour](/assets/img/avatar_default.png)
Fixes #49228 TEST=ci Change-Id: Idcc625554bcf07807bae9791ea37b73ae9394b87 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/247960 Commit-Queue: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com> Reviewed-by: Lasse Nielsen <lrn@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
256 lines
9.9 KiB
C++
256 lines
9.9 KiB
C++
// Copyright (c) 2012, 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 <include/dart_api.h>
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#include "include/dart_tools_api.h"
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#include "vm/class_finalizer.h"
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#include "vm/compiler/jit/compiler.h"
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#include "vm/dart_api_impl.h"
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#include "vm/dart_api_state.h"
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#include "vm/debugger.h"
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#include "vm/debugger_api_impl_test.h"
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#include "vm/isolate.h"
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#include "vm/object_store.h"
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#include "vm/symbols.h"
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namespace dart {
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// Facilitate quick access to the current zone once we have the current thread.
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#define Z (T->zone())
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#ifndef PRODUCT
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#define UNWRAP_AND_CHECK_PARAM(type, var, param) \
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type& var = type::Handle(); \
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do { \
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const Object& tmp = Object::Handle(Api::UnwrapHandle(param)); \
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if (tmp.IsNull()) { \
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return Api::NewError("%s expects argument '%s' to be non-null.", \
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CURRENT_FUNC, #param); \
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} else if (tmp.IsApiError()) { \
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return param; \
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} else if (!tmp.Is##type()) { \
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return Api::NewError("%s expects argument '%s' to be of type %s.", \
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CURRENT_FUNC, #param, #type); \
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} \
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var ^= tmp.ptr(); \
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} while (0)
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#define CHECK_AND_CAST(type, var, param) \
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type* var = NULL; \
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do { \
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if (param == NULL) { \
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return Api::NewError("%s expects argument '%s' to be non-null.", \
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CURRENT_FUNC, #param); \
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} \
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var = reinterpret_cast<type*>(param); \
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} while (0)
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#define CHECK_NOT_NULL(param) \
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if (param == NULL) { \
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return Api::NewError("%s expects argument '%s' to be non-null.", \
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CURRENT_FUNC, #param); \
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}
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#define CHECK_DEBUGGER(isolate) \
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if (isolate->debugger() == NULL) { \
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return Api::NewError("%s requires debugger support.", CURRENT_FUNC); \
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}
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DART_EXPORT Dart_Handle Dart_StackTraceLength(Dart_StackTrace trace,
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intptr_t* length) {
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DARTSCOPE(Thread::Current());
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CHECK_NOT_NULL(length);
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CHECK_AND_CAST(DebuggerStackTrace, stack_trace, trace);
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*length = stack_trace->Length();
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return Api::Success();
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}
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DART_EXPORT Dart_Handle Dart_GetActivationFrame(Dart_StackTrace trace,
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int frame_index,
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Dart_ActivationFrame* frame) {
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DARTSCOPE(Thread::Current());
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CHECK_NOT_NULL(frame);
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CHECK_AND_CAST(DebuggerStackTrace, stack_trace, trace);
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if ((frame_index < 0) || (frame_index >= stack_trace->Length())) {
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return Api::NewError("argument 'frame_index' is out of range for %s",
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CURRENT_FUNC);
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}
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*frame =
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reinterpret_cast<Dart_ActivationFrame>(stack_trace->FrameAt(frame_index));
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return Api::Success();
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}
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DART_EXPORT Dart_Handle Dart_GetStackTrace(Dart_StackTrace* trace) {
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DARTSCOPE(Thread::Current());
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Isolate* I = T->isolate();
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CHECK_DEBUGGER(I);
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CHECK_NOT_NULL(trace);
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*trace = reinterpret_cast<Dart_StackTrace>(DebuggerStackTrace::Collect());
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return Api::Success();
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}
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DART_EXPORT Dart_Handle Dart_GetStackTraceFromError(Dart_Handle handle,
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Dart_StackTrace* trace) {
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DARTSCOPE(Thread::Current());
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CHECK_DEBUGGER(T->isolate());
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CHECK_NOT_NULL(trace);
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const Object& obj = Object::Handle(Z, Api::UnwrapHandle(handle));
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if (obj.IsUnhandledException()) {
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const UnhandledException& error = UnhandledException::Cast(obj);
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StackTrace& dart_stacktrace = StackTrace::Handle(Z);
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dart_stacktrace ^= error.stacktrace();
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if (dart_stacktrace.IsNull()) {
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*trace = NULL;
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} else {
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*trace = reinterpret_cast<Dart_StackTrace>(
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DebuggerStackTrace::From(dart_stacktrace));
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}
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return Api::Success();
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} else {
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return Api::NewError(
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"Can only get stacktraces from error handles or "
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"instances of Error.");
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}
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}
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DART_EXPORT Dart_Handle
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Dart_ActivationFrameInfo(Dart_ActivationFrame activation_frame,
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Dart_Handle* function_name,
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Dart_Handle* script_url,
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intptr_t* line_number,
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intptr_t* column_number) {
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DARTSCOPE(Thread::Current());
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CHECK_AND_CAST(ActivationFrame, frame, activation_frame);
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if (function_name != NULL) {
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*function_name = Api::NewHandle(T, frame->QualifiedFunctionName());
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}
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if (script_url != NULL) {
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*script_url = Api::NewHandle(T, frame->SourceUrl());
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}
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if (line_number != NULL) {
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*line_number = frame->LineNumber();
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}
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if (column_number != NULL) {
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*column_number = frame->ColumnNumber();
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}
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return Api::Success();
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}
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DART_EXPORT Dart_Handle Dart_SetBreakpoint(Dart_Handle script_url_in,
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intptr_t line_number) {
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Breakpoint* bpt;
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{
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DARTSCOPE(Thread::Current());
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Isolate* I = T->isolate();
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CHECK_DEBUGGER(I);
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UNWRAP_AND_CHECK_PARAM(String, script_url, script_url_in);
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Debugger* debugger = I->debugger();
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bpt = debugger->SetBreakpointAtLineCol(script_url, line_number, -1);
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if (bpt == NULL) {
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return Api::NewError("%s: could not set breakpoint at line %" Pd
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" in '%s'",
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CURRENT_FUNC, line_number, script_url.ToCString());
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}
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}
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return Dart_NewInteger(bpt->id());
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}
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DART_EXPORT Dart_Handle Dart_EvaluateStaticExpr(Dart_Handle lib_handle,
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Dart_Handle expr_in) {
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DARTSCOPE(Thread::Current());
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CHECK_DEBUGGER(T->isolate());
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const Object& target = Object::Handle(Z, Api::UnwrapHandle(lib_handle));
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if (target.IsError()) return lib_handle;
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if (target.IsNull()) {
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return Api::NewError("%s expects argument 'target' to be non-null",
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CURRENT_FUNC);
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}
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const Library& lib = Library::Cast(target);
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UNWRAP_AND_CHECK_PARAM(String, expr, expr_in);
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if (!KernelIsolate::IsRunning()) {
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UNREACHABLE();
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} else {
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Dart_KernelCompilationResult compilation_result =
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KernelIsolate::CompileExpressionToKernel(
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/* platform_kernel= */ nullptr, /* platform_kernel_size= */ 0,
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expr.ToCString(),
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/* definitions= */ Array::empty_array(),
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/* definition_types= */ Array::empty_array(),
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/* type_definitions= */ Array::empty_array(),
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/* type_bounds= */ Array::empty_array(),
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/* type_defaults= */ Array::empty_array(),
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String::Handle(lib.url()).ToCString(),
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/* klass= */ nullptr,
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/* method= */ nullptr,
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/* is_static= */ true);
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if (compilation_result.status != Dart_KernelCompilationStatus_Ok) {
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return Api::NewError("Failed to compile expression.");
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}
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const ExternalTypedData& kernel_buffer =
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ExternalTypedData::Handle(ExternalTypedData::NewFinalizeWithFree(
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const_cast<uint8_t*>(compilation_result.kernel),
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compilation_result.kernel_size));
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Dart_Handle result = Api::NewHandle(
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T,
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lib.EvaluateCompiledExpression(kernel_buffer,
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/* type_definitions= */
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Array::empty_array(),
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/* param_values= */
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Array::empty_array(),
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/* type_param_values= */
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TypeArguments::null_type_arguments()));
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return result;
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}
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}
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DART_EXPORT Dart_Handle Dart_LibraryId(Dart_Handle library,
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intptr_t* library_id) {
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DARTSCOPE(Thread::Current());
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const Library& lib = Api::UnwrapLibraryHandle(Z, library);
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if (lib.IsNull()) {
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RETURN_TYPE_ERROR(Z, library, Library);
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}
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if (library_id == NULL) {
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RETURN_NULL_ERROR(library_id);
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}
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*library_id = lib.index();
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return Api::Success();
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}
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DART_EXPORT Dart_Handle Dart_GetLibraryDebuggable(intptr_t library_id,
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bool* is_debuggable) {
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DARTSCOPE(Thread::Current());
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CHECK_NOT_NULL(is_debuggable);
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const Library& lib = Library::Handle(Library::GetLibrary(library_id));
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if (lib.IsNull()) {
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return Api::NewError("%s: %" Pd " is not a valid library id", CURRENT_FUNC,
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library_id);
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}
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*is_debuggable = lib.IsDebuggable();
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return Api::Success();
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}
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DART_EXPORT Dart_Handle Dart_SetLibraryDebuggable(intptr_t library_id,
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bool is_debuggable) {
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DARTSCOPE(Thread::Current());
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const Library& lib = Library::Handle(Z, Library::GetLibrary(library_id));
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if (lib.IsNull()) {
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return Api::NewError("%s: %" Pd " is not a valid library id", CURRENT_FUNC,
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library_id);
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}
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lib.set_debuggable(is_debuggable);
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return Api::Success();
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}
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#endif // !PRODUCT
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} // namespace dart
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