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// Copyright 2020 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.
#ifndef SRC_AST_STRUCT_MEMBER_H_
#define SRC_AST_STRUCT_MEMBER_H_
#include <utility>
#include <vector>
#include "src/ast/decoration.h"
namespace tint {
namespace ast {
// Forward declaration
class Type;
/// A struct member statement.
class StructMember : public Castable<StructMember, Node> {
public:
/// Create a new struct member statement
/// @param program_id the identifier of the program that owns this node
/// @param source The input source for the struct member statement
/// @param sym The struct member symbol
/// @param type The struct member type
/// @param decorations The struct member decorations
StructMember(ProgramID program_id,
const Source& source,
const Symbol& sym,
ast::Type* type,
DecorationList decorations);
/// Move constructor
StructMember(StructMember&&);
~StructMember() override;
/// @returns the symbol
const Symbol& symbol() const { return symbol_; }
/// @returns the type
ast::Type* type() const { return type_; }
/// @returns the decorations
const DecorationList& decorations() const { return decorations_; }
/// @returns true if the struct member has an offset decoration
bool has_offset_decoration() const;
/// @returns the offset decoration value.
uint32_t offset() const;
/// Clones this node and all transitive child nodes using the `CloneContext`
/// `ctx`.
/// @param ctx the clone context
/// @return the newly cloned node
StructMember* Clone(CloneContext* ctx) const override;
/// Writes a representation of the node to the output stream
/// @param sem the semantic info for the program
/// @param out the stream to write to
/// @param indent number of spaces to indent the node when writing
void to_str(const sem::Info& sem,
std::ostream& out,
size_t indent) const override;
private:
StructMember(const StructMember&) = delete;
Symbol const symbol_;
ast::Type* const type_;
DecorationList const decorations_;
};
/// A list of struct members
using StructMemberList = std::vector<StructMember*>;
} // namespace ast
} // namespace tint
#endif // SRC_AST_STRUCT_MEMBER_H_