forked from OSchip/llvm-project
154 lines
5.1 KiB
C++
154 lines
5.1 KiB
C++
//===-- BreakpointResolverScripted.cpp ------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Breakpoint/BreakpointResolverScripted.h"
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#include "lldb/Breakpoint/BreakpointLocation.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/Section.h"
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#include "lldb/Core/StructuredDataImpl.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Interpreter/ScriptInterpreter.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/StreamString.h"
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using namespace lldb;
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using namespace lldb_private;
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// BreakpointResolverScripted:
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BreakpointResolverScripted::BreakpointResolverScripted(
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const BreakpointSP &bkpt, const llvm::StringRef class_name,
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lldb::SearchDepth depth, const StructuredDataImpl &args_data)
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: BreakpointResolver(bkpt, BreakpointResolver::PythonResolver),
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m_class_name(std::string(class_name)), m_depth(depth), m_args(args_data) {
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CreateImplementationIfNeeded(bkpt);
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}
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void BreakpointResolverScripted::CreateImplementationIfNeeded(
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BreakpointSP breakpoint_sp) {
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if (m_implementation_sp)
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return;
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if (m_class_name.empty())
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return;
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if (!breakpoint_sp)
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return;
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TargetSP target_sp = breakpoint_sp->GetTargetSP();
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ScriptInterpreter *script_interp = target_sp->GetDebugger()
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.GetScriptInterpreter();
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if (!script_interp)
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return;
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m_implementation_sp = script_interp->CreateScriptedBreakpointResolver(
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m_class_name.c_str(), m_args, breakpoint_sp);
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}
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void BreakpointResolverScripted::NotifyBreakpointSet() {
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CreateImplementationIfNeeded(GetBreakpoint());
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}
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BreakpointResolver *
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BreakpointResolverScripted::CreateFromStructuredData(
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const BreakpointSP &bkpt, const StructuredData::Dictionary &options_dict,
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Status &error) {
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llvm::StringRef class_name;
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bool success;
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success = options_dict.GetValueForKeyAsString(
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GetKey(OptionNames::PythonClassName), class_name);
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if (!success) {
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error.SetErrorString("BRFL::CFSD: Couldn't find class name entry.");
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return nullptr;
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}
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// The Python function will actually provide the search depth, this is a
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// placeholder.
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lldb::SearchDepth depth = lldb::eSearchDepthTarget;
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StructuredDataImpl args_data_impl;
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StructuredData::Dictionary *args_dict = nullptr;
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if (options_dict.GetValueForKeyAsDictionary(GetKey(OptionNames::ScriptArgs),
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args_dict))
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args_data_impl.SetObjectSP(args_dict->shared_from_this());
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return new BreakpointResolverScripted(bkpt, class_name, depth,
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args_data_impl);
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}
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StructuredData::ObjectSP
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BreakpointResolverScripted::SerializeToStructuredData() {
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StructuredData::DictionarySP options_dict_sp(
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new StructuredData::Dictionary());
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options_dict_sp->AddStringItem(GetKey(OptionNames::PythonClassName),
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m_class_name);
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if (m_args.IsValid())
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options_dict_sp->AddItem(GetKey(OptionNames::ScriptArgs),
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m_args.GetObjectSP());
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return WrapOptionsDict(options_dict_sp);
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}
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ScriptInterpreter *BreakpointResolverScripted::GetScriptInterpreter() {
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return GetBreakpoint()->GetTarget().GetDebugger().GetScriptInterpreter();
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}
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Searcher::CallbackReturn BreakpointResolverScripted::SearchCallback(
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SearchFilter &filter, SymbolContext &context, Address *addr) {
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bool should_continue = true;
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if (!m_implementation_sp)
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return Searcher::eCallbackReturnStop;
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ScriptInterpreter *interp = GetScriptInterpreter();
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should_continue = interp->ScriptedBreakpointResolverSearchCallback(
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m_implementation_sp,
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&context);
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if (should_continue)
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return Searcher::eCallbackReturnContinue;
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return Searcher::eCallbackReturnStop;
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}
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lldb::SearchDepth
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BreakpointResolverScripted::GetDepth() {
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lldb::SearchDepth depth = lldb::eSearchDepthModule;
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if (m_implementation_sp) {
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ScriptInterpreter *interp = GetScriptInterpreter();
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depth = interp->ScriptedBreakpointResolverSearchDepth(
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m_implementation_sp);
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}
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return depth;
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}
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void BreakpointResolverScripted::GetDescription(Stream *s) {
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StructuredData::GenericSP generic_sp;
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std::string short_help;
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if (m_implementation_sp) {
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ScriptInterpreter *interp = GetScriptInterpreter();
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interp->GetShortHelpForCommandObject(m_implementation_sp,
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short_help);
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}
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if (!short_help.empty())
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s->PutCString(short_help.c_str());
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else
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s->Printf("python class = %s", m_class_name.c_str());
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}
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void BreakpointResolverScripted::Dump(Stream *s) const {}
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lldb::BreakpointResolverSP
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BreakpointResolverScripted::CopyForBreakpoint(BreakpointSP &breakpoint) {
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return std::make_shared<BreakpointResolverScripted>(breakpoint, m_class_name,
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m_depth, m_args);
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}
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