| // Copyright 2022 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "src/tint/lang/core/type/pointer.h" |
| |
| #include "src/tint/lang/core/type/manager.h" |
| #include "src/tint/lang/core/type/reference.h" |
| #include "src/tint/utils/diagnostic/diagnostic.h" |
| #include "src/tint/utils/ice/ice.h" |
| #include "src/tint/utils/math/hash.h" |
| #include "src/tint/utils/text/string_stream.h" |
| |
| TINT_INSTANTIATE_TYPEINFO(tint::core::type::Pointer); |
| |
| namespace tint::core::type { |
| |
| Pointer::Pointer(core::AddressSpace address_space, const Type* subtype, core::Access access) |
| : Base(Hash(tint::TypeInfo::Of<Pointer>().full_hashcode, address_space, subtype, access), |
| core::type::Flags{}), |
| subtype_(subtype), |
| address_space_(address_space), |
| access_(access) { |
| TINT_ASSERT(!subtype->Is<Reference>()); |
| TINT_ASSERT(access != core::Access::kUndefined); |
| } |
| |
| bool Pointer::Equals(const UniqueNode& other) const { |
| if (auto* o = other.As<Pointer>()) { |
| return o->address_space_ == address_space_ && o->subtype_ == subtype_ && |
| o->access_ == access_; |
| } |
| return false; |
| } |
| |
| std::string Pointer::FriendlyName() const { |
| StringStream out; |
| out << "ptr<"; |
| if (address_space_ != core::AddressSpace::kUndefined) { |
| out << address_space_ << ", "; |
| } |
| out << subtype_->FriendlyName() << ", " << access_; |
| out << ">"; |
| return out.str(); |
| } |
| |
| Pointer::~Pointer() = default; |
| |
| Pointer* Pointer::Clone(CloneContext& ctx) const { |
| auto* ty = subtype_->Clone(ctx); |
| return ctx.dst.mgr->Get<Pointer>(address_space_, ty, access_); |
| } |
| |
| } // namespace tint::core::type |