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// Copyright (C) 2020-2024 Free Software Foundation, Inc.
// This file is part of GCC.
// GCC is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3, or (at your option) any later
// version.
// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#ifndef RUST_HIR_PATTERN_ABSTRACT_H
#define RUST_HIR_PATTERN_ABSTRACT_H
#include "rust-hir-visitable.h"
#include "rust-hir-visitor.h"
#include "rust-hir-node.h"
#include "rust-system.h"
namespace Rust {
namespace HIR {
// Pattern base HIR node
class Pattern : public Node, virtual public FullVisitable
{
public:
using FullVisitable::accept_vis;
enum PatternType
{
PATH,
LITERAL,
IDENTIFIER,
WILDCARD,
RANGE,
REFERENCE,
STRUCT,
TUPLE_STRUCT,
TUPLE,
GROUPED,
SLICE,
ALT
};
BaseKind get_hir_kind () override final { return PATTERN; }
// Unique pointer custom clone function
std::unique_ptr<Pattern> clone_pattern () const
{
return std::unique_ptr<Pattern> (clone_pattern_impl ());
}
// possible virtual methods: is_refutable()
virtual ~Pattern () {}
virtual std::string as_string () const = 0;
virtual void accept_vis (HIRPatternVisitor &vis) = 0;
virtual const Analysis::NodeMapping &get_mappings () const = 0;
virtual location_t get_locus () const = 0;
virtual PatternType get_pattern_type () const = 0;
protected:
// Clone pattern implementation as pure virtual method
virtual Pattern *clone_pattern_impl () const = 0;
};
} // namespace HIR
} // namespace Rust
#endif
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