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https://github.com/encounter/dawn-cmake.git
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61c16eb448
This CL moves the ast/access files into type/access to resolve the type dependency on ast Change-Id: Ic0973c5ad162166736abb07cf9bbed7efa91695b Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/117605 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Ben Clayton <bclayton@google.com>
92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
// Copyright 2022 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_TINT_AST_VAR_H_
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#define SRC_TINT_AST_VAR_H_
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#include <utility>
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#include <vector>
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#include "src/tint/ast/variable.h"
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namespace tint::ast {
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/// A "var" declaration is a name for typed storage.
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///
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/// Examples:
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///
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/// ```
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/// // Declared outside a function, i.e. at module scope, requires
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/// // a address space.
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/// var<workgroup> width : i32; // no initializer
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/// var<private> height : i32 = 3; // with initializer
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///
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/// // A variable declared inside a function doesn't take a address space,
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/// // and maps to SPIR-V Function storage.
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/// var computed_depth : i32;
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/// var area : i32 = compute_area(width, height);
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/// ```
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///
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/// @see https://www.w3.org/TR/WGSL/#var-decls
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class Var final : public Castable<Var, Variable> {
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public:
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/// Create a 'var' variable
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/// @param pid the identifier of the program that owns this node
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/// @param nid the unique node identifier
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/// @param source the variable source
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/// @param sym the variable symbol
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/// @param type the declared variable type
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/// @param declared_address_space the declared address space
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/// @param declared_access the declared access control
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/// @param initializer the initializer expression
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/// @param attributes the variable attributes
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Var(ProgramID pid,
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NodeID nid,
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const Source& source,
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const Symbol& sym,
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const ast::Type* type,
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type::AddressSpace declared_address_space,
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type::Access declared_access,
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const Expression* initializer,
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utils::VectorRef<const Attribute*> attributes);
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/// Move constructor
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Var(Var&&);
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/// Destructor
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~Var() override;
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/// @returns "var"
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const char* Kind() const override;
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/// Clones this node and all transitive child nodes using the `CloneContext`
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/// `ctx`.
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/// @param ctx the clone context
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/// @return the newly cloned node
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const Var* Clone(CloneContext* ctx) const override;
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/// The declared address space
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const type::AddressSpace declared_address_space;
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/// The declared access control
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const type::Access declared_access;
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};
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/// A list of `var` declarations
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using VarList = std::vector<const Var*>;
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} // namespace tint::ast
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#endif // SRC_TINT_AST_VAR_H_
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