| // Copyright 2021 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/tint/sem/variable.h" |
| |
| #include <utility> |
| |
| #include "src/tint/ast/identifier_expression.h" |
| #include "src/tint/ast/parameter.h" |
| #include "src/tint/ast/variable.h" |
| #include "src/tint/type/pointer.h" |
| |
| TINT_INSTANTIATE_TYPEINFO(tint::sem::Variable); |
| TINT_INSTANTIATE_TYPEINFO(tint::sem::GlobalVariable); |
| TINT_INSTANTIATE_TYPEINFO(tint::sem::LocalVariable); |
| TINT_INSTANTIATE_TYPEINFO(tint::sem::Parameter); |
| TINT_INSTANTIATE_TYPEINFO(tint::sem::VariableUser); |
| |
| namespace tint::sem { |
| Variable::Variable(const ast::Variable* declaration, |
| const type::Type* type, |
| EvaluationStage stage, |
| ast::AddressSpace address_space, |
| ast::Access access, |
| const constant::Value* constant_value) |
| : declaration_(declaration), |
| type_(type), |
| stage_(stage), |
| address_space_(address_space), |
| access_(access), |
| constant_value_(constant_value) {} |
| |
| Variable::~Variable() = default; |
| |
| LocalVariable::LocalVariable(const ast::Variable* declaration, |
| const type::Type* type, |
| EvaluationStage stage, |
| ast::AddressSpace address_space, |
| ast::Access access, |
| const sem::Statement* statement, |
| const constant::Value* constant_value) |
| : Base(declaration, type, stage, address_space, access, constant_value), |
| statement_(statement) {} |
| |
| LocalVariable::~LocalVariable() = default; |
| |
| GlobalVariable::GlobalVariable(const ast::Variable* declaration, |
| const type::Type* type, |
| EvaluationStage stage, |
| ast::AddressSpace address_space, |
| ast::Access access, |
| const constant::Value* constant_value, |
| sem::BindingPoint binding_point, |
| std::optional<uint32_t> location) |
| : Base(declaration, type, stage, address_space, access, constant_value), |
| binding_point_(binding_point), |
| location_(location) {} |
| |
| GlobalVariable::~GlobalVariable() = default; |
| |
| Parameter::Parameter(const ast::Parameter* declaration, |
| uint32_t index, |
| const type::Type* type, |
| ast::AddressSpace address_space, |
| ast::Access access, |
| const ParameterUsage usage /* = ParameterUsage::kNone */, |
| sem::BindingPoint binding_point /* = {} */, |
| std::optional<uint32_t> location /* = std::nullopt */) |
| : Base(declaration, type, EvaluationStage::kRuntime, address_space, access, nullptr), |
| index_(index), |
| usage_(usage), |
| binding_point_(binding_point), |
| location_(location) {} |
| |
| Parameter::~Parameter() = default; |
| |
| VariableUser::VariableUser(const ast::IdentifierExpression* declaration, |
| Statement* statement, |
| sem::Variable* variable) |
| : Base(declaration, |
| variable->Type(), |
| variable->Stage(), |
| statement, |
| variable->ConstantValue(), |
| /* has_side_effects */ false), |
| variable_(variable) { |
| auto* type = variable->Type(); |
| if (type->Is<type::Pointer>() && variable->Initializer()) { |
| root_identifier_ = variable->Initializer()->RootIdentifier(); |
| } else { |
| root_identifier_ = variable; |
| } |
| } |
| |
| VariableUser::~VariableUser() = default; |
| |
| } // namespace tint::sem |