blob: 3f04831901b14fb5f997cdfb02886dc0604fa835 [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include <include/dart_api.h>
#include "include/dart_tools_api.h"
#include "vm/class_finalizer.h"
#include "vm/compiler/jit/compiler.h"
#include "vm/dart_api_impl.h"
#include "vm/dart_api_state.h"
#include "vm/debugger.h"
#include "vm/debugger_api_impl_test.h"
#include "vm/isolate.h"
#include "vm/object_store.h"
#include "vm/symbols.h"
namespace dart {
// Facilitate quick access to the current zone once we have the current thread.
#define Z (T->zone())
#ifndef PRODUCT
#define UNWRAP_AND_CHECK_PARAM(type, var, param) \
type& var = type::Handle(); \
do { \
const Object& tmp = Object::Handle(Api::UnwrapHandle(param)); \
if (tmp.IsNull()) { \
return Api::NewError("%s expects argument '%s' to be non-null.", \
CURRENT_FUNC, #param); \
} else if (tmp.IsApiError()) { \
return param; \
} else if (!tmp.Is##type()) { \
return Api::NewError("%s expects argument '%s' to be of type %s.", \
CURRENT_FUNC, #param, #type); \
} \
var ^= tmp.ptr(); \
} while (0)
#define CHECK_AND_CAST(type, var, param) \
type* var = NULL; \
do { \
if (param == NULL) { \
return Api::NewError("%s expects argument '%s' to be non-null.", \
CURRENT_FUNC, #param); \
} \
var = reinterpret_cast<type*>(param); \
} while (0)
#define CHECK_NOT_NULL(param) \
if (param == NULL) { \
return Api::NewError("%s expects argument '%s' to be non-null.", \
CURRENT_FUNC, #param); \
}
#define CHECK_DEBUGGER(isolate) \
if (isolate->debugger() == NULL) { \
return Api::NewError("%s requires debugger support.", CURRENT_FUNC); \
}
DART_EXPORT Dart_Handle Dart_StackTraceLength(Dart_StackTrace trace,
intptr_t* length) {
DARTSCOPE(Thread::Current());
CHECK_NOT_NULL(length);
CHECK_AND_CAST(DebuggerStackTrace, stack_trace, trace);
*length = stack_trace->Length();
return Api::Success();
}
DART_EXPORT Dart_Handle Dart_GetActivationFrame(Dart_StackTrace trace,
int frame_index,
Dart_ActivationFrame* frame) {
DARTSCOPE(Thread::Current());
CHECK_NOT_NULL(frame);
CHECK_AND_CAST(DebuggerStackTrace, stack_trace, trace);
if ((frame_index < 0) || (frame_index >= stack_trace->Length())) {
return Api::NewError("argument 'frame_index' is out of range for %s",
CURRENT_FUNC);
}
*frame =
reinterpret_cast<Dart_ActivationFrame>(stack_trace->FrameAt(frame_index));
return Api::Success();
}
DART_EXPORT Dart_Handle Dart_GetStackTrace(Dart_StackTrace* trace) {
DARTSCOPE(Thread::Current());
Isolate* I = T->isolate();
CHECK_DEBUGGER(I);
CHECK_NOT_NULL(trace);
*trace = reinterpret_cast<Dart_StackTrace>(DebuggerStackTrace::Collect());
return Api::Success();
}
DART_EXPORT Dart_Handle Dart_GetStackTraceFromError(Dart_Handle handle,
Dart_StackTrace* trace) {
DARTSCOPE(Thread::Current());
CHECK_DEBUGGER(T->isolate());
CHECK_NOT_NULL(trace);
const Object& obj = Object::Handle(Z, Api::UnwrapHandle(handle));
if (obj.IsUnhandledException()) {
const UnhandledException& error = UnhandledException::Cast(obj);
StackTrace& dart_stacktrace = StackTrace::Handle(Z);
dart_stacktrace ^= error.stacktrace();
if (dart_stacktrace.IsNull()) {
*trace = NULL;
} else {
*trace = reinterpret_cast<Dart_StackTrace>(
DebuggerStackTrace::From(dart_stacktrace));
}
return Api::Success();
} else {
return Api::NewError(
"Can only get stacktraces from error handles or "
"instances of Error.");
}
}
DART_EXPORT Dart_Handle
Dart_ActivationFrameInfo(Dart_ActivationFrame activation_frame,
Dart_Handle* function_name,
Dart_Handle* script_url,
intptr_t* line_number,
intptr_t* column_number) {
DARTSCOPE(Thread::Current());
CHECK_AND_CAST(ActivationFrame, frame, activation_frame);
if (function_name != NULL) {
*function_name = Api::NewHandle(T, frame->QualifiedFunctionName());
}
if (script_url != NULL) {
*script_url = Api::NewHandle(T, frame->SourceUrl());
}
if (line_number != NULL) {
*line_number = frame->LineNumber();
}
if (column_number != NULL) {
*column_number = frame->ColumnNumber();
}
return Api::Success();
}
DART_EXPORT Dart_Handle Dart_SetBreakpoint(Dart_Handle script_url_in,
intptr_t line_number) {
Breakpoint* bpt;
{
DARTSCOPE(Thread::Current());
Isolate* I = T->isolate();
CHECK_DEBUGGER(I);
UNWRAP_AND_CHECK_PARAM(String, script_url, script_url_in);
Debugger* debugger = I->debugger();
bpt = debugger->SetBreakpointAtLineCol(script_url, line_number, -1);
if (bpt == NULL) {
return Api::NewError("%s: could not set breakpoint at line %" Pd
" in '%s'",
CURRENT_FUNC, line_number, script_url.ToCString());
}
}
return Dart_NewInteger(bpt->id());
}
DART_EXPORT Dart_Handle Dart_EvaluateStaticExpr(Dart_Handle lib_handle,
Dart_Handle expr_in) {
DARTSCOPE(Thread::Current());
CHECK_DEBUGGER(T->isolate());
const Object& target = Object::Handle(Z, Api::UnwrapHandle(lib_handle));
if (target.IsError()) return lib_handle;
if (target.IsNull()) {
return Api::NewError("%s expects argument 'target' to be non-null",
CURRENT_FUNC);
}
const Library& lib = Library::Cast(target);
UNWRAP_AND_CHECK_PARAM(String, expr, expr_in);
if (!KernelIsolate::IsRunning()) {
UNREACHABLE();
} else {
Dart_KernelCompilationResult compilation_result =
KernelIsolate::CompileExpressionToKernel(
/* platform_kernel= */ nullptr, /* platform_kernel_size= */ 0,
expr.ToCString(),
/* definitions= */ Array::empty_array(),
/* definition_types= */ Array::empty_array(),
/* type_defintions= */ Array::empty_array(),
/* type_bounds= */ Array::empty_array(),
/* type_defaults= */ Array::empty_array(),
String::Handle(lib.url()).ToCString(),
/* klass= */ nullptr,
/* method= */ nullptr,
/* is_static= */ true);
if (compilation_result.status != Dart_KernelCompilationStatus_Ok) {
return Api::NewError("Failed to compile expression.");
}
const ExternalTypedData& kernel_buffer =
ExternalTypedData::Handle(ExternalTypedData::NewFinalizeWithFree(
const_cast<uint8_t*>(compilation_result.kernel),
compilation_result.kernel_size));
Dart_Handle result = Api::NewHandle(
T,
lib.EvaluateCompiledExpression(kernel_buffer,
/* type_definitions= */
Array::empty_array(),
/* param_values= */
Array::empty_array(),
/* type_param_values= */
TypeArguments::null_type_arguments()));
return result;
}
}
DART_EXPORT Dart_Handle Dart_LibraryId(Dart_Handle library,
intptr_t* library_id) {
DARTSCOPE(Thread::Current());
const Library& lib = Api::UnwrapLibraryHandle(Z, library);
if (lib.IsNull()) {
RETURN_TYPE_ERROR(Z, library, Library);
}
if (library_id == NULL) {
RETURN_NULL_ERROR(library_id);
}
*library_id = lib.index();
return Api::Success();
}
DART_EXPORT Dart_Handle Dart_GetLibraryDebuggable(intptr_t library_id,
bool* is_debuggable) {
DARTSCOPE(Thread::Current());
CHECK_NOT_NULL(is_debuggable);
const Library& lib = Library::Handle(Library::GetLibrary(library_id));
if (lib.IsNull()) {
return Api::NewError("%s: %" Pd " is not a valid library id", CURRENT_FUNC,
library_id);
}
*is_debuggable = lib.IsDebuggable();
return Api::Success();
}
DART_EXPORT Dart_Handle Dart_SetLibraryDebuggable(intptr_t library_id,
bool is_debuggable) {
DARTSCOPE(Thread::Current());
const Library& lib = Library::Handle(Z, Library::GetLibrary(library_id));
if (lib.IsNull()) {
return Api::NewError("%s: %" Pd " is not a valid library id", CURRENT_FUNC,
library_id);
}
lib.set_debuggable(is_debuggable);
return Api::Success();
}
#endif // !PRODUCT
} // namespace dart