| //===- BreakpointManager.h - Breakpoint Manager Support ----*- 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 MLIR_TRACING_BREAKPOINTMANAGER_H |
| #define MLIR_TRACING_BREAKPOINTMANAGER_H |
| |
| #include "mlir/IR/Action.h" |
| #include "llvm/ADT/MapVector.h" |
| |
| namespace mlir { |
| namespace tracing { |
| |
| /// This abstract class represents a breakpoint. |
| class Breakpoint { |
| public: |
| virtual ~Breakpoint() = default; |
| |
| /// TypeID for the subclass, used for casting purpose. |
| TypeID getTypeID() const { return typeID; } |
| |
| bool isEnabled() const { return enableStatus; } |
| void enable() { enableStatus = true; } |
| void disable() { enableStatus = false; } |
| virtual void print(raw_ostream &os) const = 0; |
| |
| protected: |
| Breakpoint(TypeID typeID) : enableStatus(true), typeID(typeID) {} |
| |
| private: |
| /// The current state of the breakpoint. A breakpoint can be either enabled |
| /// or disabled. |
| bool enableStatus; |
| TypeID typeID; |
| }; |
| |
| inline raw_ostream &operator<<(raw_ostream &os, const Breakpoint &breakpoint) { |
| breakpoint.print(os); |
| return os; |
| } |
| |
| /// This class provides a CRTP wrapper around a base breakpoint class to define |
| /// a few necessary utility methods. |
| template <typename Derived> |
| class BreakpointBase : public Breakpoint { |
| public: |
| /// Support isa/dyn_cast functionality for the derived pass class. |
| static bool classof(const Breakpoint *breakpoint) { |
| return breakpoint->getTypeID() == TypeID::get<Derived>(); |
| } |
| |
| protected: |
| BreakpointBase() : Breakpoint(TypeID::get<Derived>()) {} |
| }; |
| |
| /// A breakpoint manager is responsible for managing a set of breakpoints and |
| /// matching them to a given action. |
| class BreakpointManager { |
| public: |
| virtual ~BreakpointManager() = default; |
| |
| /// TypeID for the subclass, used for casting purpose. |
| TypeID getTypeID() const { return typeID; } |
| |
| /// Try to match a Breakpoint to a given Action. If there is a match and |
| /// the breakpoint is enabled, return the breakpoint. Otherwise, return |
| /// nullptr. |
| virtual Breakpoint *match(const Action &action) const = 0; |
| |
| protected: |
| BreakpointManager(TypeID typeID) : typeID(typeID) {} |
| |
| TypeID typeID; |
| }; |
| |
| /// CRTP base class for BreakpointManager implementations. |
| template <typename Derived> |
| class BreakpointManagerBase : public BreakpointManager { |
| public: |
| BreakpointManagerBase() : BreakpointManager(TypeID::get<Derived>()) {} |
| |
| /// Provide classof to allow casting between breakpoint manager types. |
| static bool classof(const BreakpointManager *breakpointManager) { |
| return breakpointManager->getTypeID() == TypeID::get<Derived>(); |
| } |
| }; |
| |
| } // namespace tracing |
| } // namespace mlir |
| |
| #endif // MLIR_TRACING_BREAKPOINTMANAGER_H |