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//===-- ThreadPlanStepInRange.h ---------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_TARGET_THREADPLANSTEPINRANGE_H
#define LLDB_TARGET_THREADPLANSTEPINRANGE_H
#include "lldb/Core/AddressRange.h"
#include "lldb/Target/StackID.h"
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadPlanShouldStopHere.h"
#include "lldb/Target/ThreadPlanStepRange.h"
namespace lldb_private {
class ThreadPlanStepInRange : public ThreadPlanStepRange,
public ThreadPlanShouldStopHere {
public:
ThreadPlanStepInRange(Thread &thread, const AddressRange &range,
const SymbolContext &addr_context,
lldb::RunMode stop_others,
LazyBool step_in_avoids_code_without_debug_info,
LazyBool step_out_avoids_code_without_debug_info);
ThreadPlanStepInRange(Thread &thread, const AddressRange &range,
const SymbolContext &addr_context,
const char *step_into_function_name,
lldb::RunMode stop_others,
LazyBool step_in_avoids_code_without_debug_info,
LazyBool step_out_avoids_code_without_debug_info);
~ThreadPlanStepInRange() override;
void GetDescription(Stream *s, lldb::DescriptionLevel level) override;
bool ShouldStop(Event *event_ptr) override;
void SetAvoidRegexp(const char *name);
void SetStepInTarget(const char *target) {
m_step_into_target.SetCString(target);
}
static void SetDefaultFlagValue(uint32_t new_value);
bool IsVirtualStep() override;
// Plans that are implementing parts of a step in might need to follow the
// behavior of this plan w.r.t. StepThrough. They can get that from here.
static uint32_t GetDefaultFlagsValue() {
return s_default_flag_values;
}
protected:
static bool DefaultShouldStopHereCallback(ThreadPlan *current_plan,
Flags &flags,
lldb::FrameComparison operation,
Status &status, void *baton);
bool DoWillResume(lldb::StateType resume_state, bool current_plan) override;
bool DoPlanExplainsStop(Event *event_ptr) override;
void SetFlagsToDefault() override {
GetFlags().Set(ThreadPlanStepInRange::s_default_flag_values);
}
void SetCallbacks() {
ThreadPlanShouldStopHere::ThreadPlanShouldStopHereCallbacks callbacks(
ThreadPlanStepInRange::DefaultShouldStopHereCallback, nullptr);
SetShouldStopHereCallbacks(&callbacks, nullptr);
}
bool FrameMatchesAvoidCriteria();
private:
friend lldb::ThreadPlanSP Thread::QueueThreadPlanForStepOverRange(
bool abort_other_plans, const AddressRange &range,
const SymbolContext &addr_context, lldb::RunMode stop_others,
Status &status, LazyBool avoid_code_without_debug_info);
friend lldb::ThreadPlanSP Thread::QueueThreadPlanForStepInRange(
bool abort_other_plans, const AddressRange &range,
const SymbolContext &addr_context, const char *step_in_target,
lldb::RunMode stop_others, Status &status,
LazyBool step_in_avoids_code_without_debug_info,
LazyBool step_out_avoids_code_without_debug_info);
void SetupAvoidNoDebug(LazyBool step_in_avoids_code_without_debug_info,
LazyBool step_out_avoids_code_without_debug_info);
// Need an appropriate marker for the current stack so we can tell step out
// from step in.
static uint32_t s_default_flag_values; // These are the default flag values
// for the ThreadPlanStepThrough.
lldb::ThreadPlanSP m_sub_plan_sp; // Keep track of the last plan we were
// running. If it fails, we should stop.
std::unique_ptr<RegularExpression> m_avoid_regexp_up;
bool m_step_past_prologue; // FIXME: For now hard-coded to true, we could put
// a switch in for this if there's
// demand for that.
bool m_virtual_step; // true if we've just done a "virtual step", i.e. just
// moved the inline stack depth.
ConstString m_step_into_target;
ThreadPlanStepInRange(const ThreadPlanStepInRange &) = delete;
const ThreadPlanStepInRange &
operator=(const ThreadPlanStepInRange &) = delete;
};
} // namespace lldb_private
#endif // LLDB_TARGET_THREADPLANSTEPINRANGE_H
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