From d631ebb7562d48d9e3d0f9ac0543364587d470b6 Mon Sep 17 00:00:00 2001 From: Timm Baeder Date: Sat, 3 Aug 2024 07:11:27 +0200 Subject: [clang][Interp] Enhance CodePtr (#101787) Add more relational operators. --- clang/lib/AST/Interp/Source.h | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/clang/lib/AST/Interp/Source.h b/clang/lib/AST/Interp/Source.h index c28b488..88b5ec7 100644 --- a/clang/lib/AST/Interp/Source.h +++ b/clang/lib/AST/Interp/Source.h @@ -29,7 +29,7 @@ class Function; /// Pointer into the code segment. class CodePtr final { public: - CodePtr() : Ptr(nullptr) {} + CodePtr() = default; CodePtr &operator+=(int32_t Offset) { Ptr += Offset; @@ -45,11 +45,16 @@ public: assert(Ptr != nullptr && "Invalid code pointer"); return CodePtr(Ptr - RHS); } + CodePtr operator+(ssize_t RHS) const { + assert(Ptr != nullptr && "Invalid code pointer"); + return CodePtr(Ptr + RHS); + } bool operator!=(const CodePtr &RHS) const { return Ptr != RHS.Ptr; } const std::byte *operator*() const { return Ptr; } - - operator bool() const { return Ptr; } + explicit operator bool() const { return Ptr; } + bool operator<=(const CodePtr &RHS) const { return Ptr <= RHS.Ptr; } + bool operator>=(const CodePtr &RHS) const { return Ptr >= RHS.Ptr; } /// Reads data and advances the pointer. template std::enable_if_t::value, T> read() { @@ -65,7 +70,7 @@ private: /// Constructor used by Function to generate pointers. CodePtr(const std::byte *Ptr) : Ptr(Ptr) {} /// Pointer into the code owned by a function. - const std::byte *Ptr; + const std::byte *Ptr = nullptr; }; /// Describes the statement/declaration an opcode was generated from. -- cgit v1.1