| // Copyright 2022 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
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| // list of conditions and the following disclaimer. |
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| // this list of conditions and the following disclaimer in the documentation |
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| |
| #ifndef SRC_TINT_LANG_WGSL_SEM_LOAD_H_ |
| #define SRC_TINT_LANG_WGSL_SEM_LOAD_H_ |
| |
| #include "src/tint/lang/core/type/reference.h" |
| #include "src/tint/lang/wgsl/sem/value_expression.h" |
| |
| namespace tint::sem { |
| |
| /// Load is a semantic expression which represents the load of a reference to a non-reference value. |
| /// Loads from reference types are implicit in WGSL, so the Load semantic node shares the same AST |
| /// node as the inner semantic node. |
| class Load final : public Castable<Load, ValueExpression> { |
| public: |
| /// Constructor |
| /// @param reference the reference expression being loaded |
| /// @param statement the statement that owns this expression |
| Load(const ValueExpression* reference, const Statement* statement); |
| |
| /// Destructor |
| ~Load() override; |
| |
| /// @return the reference being loaded |
| const ValueExpression* Reference() const { return reference_; } |
| |
| /// @returns the type of the loaded reference. |
| const core::type::Reference* ReferenceType() const { |
| return static_cast<const core::type::Reference*>(reference_->Type()); |
| } |
| |
| private: |
| ValueExpression const* const reference_; |
| }; |
| |
| } // namespace tint::sem |
| |
| #endif // SRC_TINT_LANG_WGSL_SEM_LOAD_H_ |