mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-29 17:34:58 +01:00
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
|
|
// Exceptions. See /LICENSE for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
|
|
#ifndef CARBON_TOOLCHAIN_PARSER_PARSE_NODE_KIND_H_
|
|
#define CARBON_TOOLCHAIN_PARSER_PARSE_NODE_KIND_H_
|
|
|
|
#include "toolchain/common/enum_base.h"
|
|
|
|
namespace Carbon {
|
|
|
|
CARBON_DEFINE_RAW_ENUM_CLASS(ParseNodeKind, uint8_t){
|
|
#define CARBON_PARSE_NODE_KIND(Name) CARBON_RAW_ENUM_ENUMERATOR(Name)
|
|
#include "toolchain/parser/parse_node_kind.def"
|
|
};
|
|
|
|
// A class wrapping an enumeration of the different kinds of nodes in the parse
|
|
// tree.
|
|
class ParseNodeKind : public CARBON_ENUM_BASE(ParseNodeKind) {
|
|
public:
|
|
#define CARBON_PARSE_NODE_KIND(Name) CARBON_ENUM_CONSTANT_DECLARATION(Name)
|
|
#include "toolchain/parser/parse_node_kind.def"
|
|
|
|
// Returns true if the node is bracketed; otherwise, child_count is used.
|
|
auto has_bracket() const -> bool;
|
|
|
|
// Returns the bracketing node kind for the current node kind. Requires that
|
|
// has_bracket is true.
|
|
auto bracket() const -> ParseNodeKind;
|
|
|
|
// Returns the number of children that the node must have, often 0. Requires
|
|
// that has_bracket is false.
|
|
auto child_count() const -> int32_t;
|
|
};
|
|
|
|
#define CARBON_PARSE_NODE_KIND(Name) \
|
|
CARBON_ENUM_CONSTANT_DEFINITION(ParseNodeKind, Name)
|
|
#include "toolchain/parser/parse_node_kind.def"
|
|
|
|
// We expect the parse node kind to fit compactly into 8 bits.
|
|
static_assert(sizeof(ParseNodeKind) == 1, "Kind objects include padding!");
|
|
|
|
} // namespace Carbon
|
|
|
|
#endif // CARBON_TOOLCHAIN_PARSER_PARSE_NODE_KIND_H_
|