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| //===-- BreakpointName.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 liblldb_Breakpoint_Name_h_
#define liblldb_Breakpoint_Name_h_
#include <memory>
#include <string>
#include <unordered_set>
#include <vector>
#include "lldb/Breakpoint/BreakpointID.h"
#include "lldb/Breakpoint/BreakpointLocationCollection.h"
#include "lldb/Breakpoint/BreakpointLocationList.h"
#include "lldb/Breakpoint/BreakpointOptions.h"
#include "lldb/Breakpoint/Stoppoint.h"
#include "lldb/Core/SearchFilter.h"
#include "lldb/Utility/Event.h"
#include "lldb/Utility/Flags.h"
#include "lldb/Utility/StringList.h"
#include "lldb/Utility/StructuredData.h"
namespace lldb_private {
class BreakpointName {
public:
class Permissions
{
public:
enum PermissionKinds { listPerm = 0, disablePerm = 1,
deletePerm = 2, allPerms = 3 };
Permissions(bool in_list, bool in_disable, bool in_delete)
{
m_permissions[listPerm] = in_list;
m_permissions[disablePerm] = in_disable;
m_permissions[deletePerm] = in_delete;
m_set_mask.Set(permissions_mask[allPerms]);
}
Permissions(const Permissions &rhs)
{
m_permissions[listPerm] = rhs.m_permissions[listPerm];
m_permissions[disablePerm] = rhs.m_permissions[disablePerm];
m_permissions[deletePerm] = rhs.m_permissions[deletePerm];
m_set_mask = rhs.m_set_mask;
}
Permissions()
{
m_permissions[listPerm] = true;
m_permissions[disablePerm] = true;
m_permissions[deletePerm] = true;
m_set_mask.Clear();
}
const Permissions &operator= (const Permissions &rhs)
{
if (this != &rhs) {
m_permissions[listPerm] = rhs.m_permissions[listPerm];
m_permissions[disablePerm] = rhs.m_permissions[disablePerm];
m_permissions[deletePerm] = rhs.m_permissions[deletePerm];
m_set_mask = rhs.m_set_mask;
}
return *this;
}
void Clear() {
*this = Permissions();
}
// Merge the permissions from incoming into this set of permissions. Only
// merge set permissions, and most restrictive permission wins.
void MergeInto(const Permissions &incoming)
{
MergePermission(incoming, listPerm);
MergePermission(incoming, disablePerm);
MergePermission(incoming, deletePerm);
}
bool GetAllowList() const { return GetPermission(listPerm); }
bool SetAllowList(bool value) { return SetPermission(listPerm, value); }
bool GetAllowDelete() const { return GetPermission(deletePerm); }
bool SetAllowDelete(bool value) { return SetPermission(deletePerm, value); }
bool GetAllowDisable() const { return GetPermission(disablePerm); }
bool SetAllowDisable(bool value) { return SetPermission(disablePerm,
value); }
bool GetPermission(enum PermissionKinds permission) const
{
return m_permissions[permission];
}
bool GetDescription(Stream *s, lldb::DescriptionLevel level);
bool IsSet(enum PermissionKinds permission) const
{
return m_set_mask.Test(permissions_mask[permission]);
}
bool AnySet() {
return m_set_mask.AnySet(permissions_mask[allPerms]);
}
private:
static const Flags::ValueType permissions_mask[allPerms + 1];
bool m_permissions[allPerms];
Flags m_set_mask;
bool SetPermission(enum PermissionKinds permission, bool value)
{
bool old_value = m_permissions[permission];
m_permissions[permission] = value;
m_set_mask.Set(permissions_mask[permission]);
return old_value;
}
// If either side disallows the permission, the resultant disallows it.
void MergePermission(const Permissions &incoming,
enum PermissionKinds permission)
{
if (incoming.IsSet(permission))
{
SetPermission(permission, !(m_permissions[permission] |
incoming.m_permissions[permission]));
}
}
};
BreakpointName(ConstString name, const char *help = nullptr) :
m_name(name), m_options(false)
{
SetHelp(help);
}
BreakpointName(ConstString name,
BreakpointOptions &options,
const Permissions &permissions = Permissions(),
const char *help = nullptr) :
m_name(name), m_options(options),
m_permissions(permissions) {
SetHelp(help);
};
BreakpointName(const BreakpointName &rhs) :
m_name(rhs.m_name), m_options(rhs.m_options),
m_permissions(rhs.m_permissions), m_help(rhs.m_help)
{}
BreakpointName(ConstString name, const Breakpoint &bkpt,
const char *help);
ConstString GetName() const { return m_name; }
BreakpointOptions &GetOptions() { return m_options; }
const BreakpointOptions &GetOptions() const { return m_options; }
void SetOptions(const BreakpointOptions &options) {
m_options = options;
}
Permissions &GetPermissions() { return m_permissions; }
const Permissions &GetPermissions() const { return m_permissions; }
void SetPermissions(const Permissions &permissions) {
m_permissions = permissions;
}
bool GetPermission(Permissions::PermissionKinds permission) const
{
return m_permissions.GetPermission(permission);
}
void SetHelp(const char *description)
{
if (description)
m_help.assign(description);
else
m_help.clear();
}
const char *GetHelp()
{
return m_help.c_str();
}
// Returns true if any options were set in the name
bool GetDescription(Stream *s, lldb::DescriptionLevel level);
void ConfigureBreakpoint(lldb::BreakpointSP bp_sp);
private:
ConstString m_name;
BreakpointOptions m_options;
Permissions m_permissions;
std::string m_help;
};
} // namespace lldb_private
#endif // liblldb_Breakpoint_Name_h_
|