dawn-cmake/src/ast/struct.h

89 lines
2.7 KiB
C++

// 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_H_
#define SRC_AST_STRUCT_H_
#include <string>
#include <utility>
#include "src/ast/decoration.h"
#include "src/ast/struct_member.h"
#include "src/ast/type_decl.h"
namespace tint {
namespace ast {
/// A struct statement.
class Struct : public Castable<Struct, TypeDecl> {
public:
/// Create a new struct statement
/// @param program_id the identifier of the program that owns this node
/// @param source The input source for the import statement
/// @param name The name of the structure
/// @param members The struct members
/// @param decorations The struct decorations
Struct(ProgramID program_id,
const Source& source,
Symbol name,
StructMemberList members,
DecorationList decorations);
/// Move constructor
Struct(Struct&&);
~Struct() override;
/// @returns the struct decorations
const DecorationList& decorations() const { return decorations_; }
/// @returns the members
const StructMemberList& members() const { return members_; }
/// Returns the struct member with the given symbol or nullptr if non exists.
/// @param symbol the symbol of the member
/// @returns the struct member or nullptr if not found
StructMember* get_member(const Symbol& symbol) const;
/// @returns true if the struct is block decorated
bool IsBlockDecorated() const;
/// Clones this node and all transitive child nodes using the `CloneContext`
/// `ctx`.
/// @param ctx the clone context
/// @return the newly cloned node
Struct* 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;
/// @returns the name for the type
std::string type_name() const override;
private:
Struct(const Struct&) = delete;
StructMemberList const members_;
DecorationList const decorations_;
};
} // namespace ast
} // namespace tint
#endif // SRC_AST_STRUCT_H_