llvm/clang/utils/TableGen/ClangASTNodesEmitter.cpp

//=== ClangASTNodesEmitter.cpp - Generate Clang AST node tables -*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// These tablegen backends emit Clang AST node tables
//
//===----------------------------------------------------------------------===//

#include "ASTTableGen.h"
#include "TableGenBackends.h"

#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/TableGenBackend.h"
#include <map>
#include <set>
#include <string>
usingnamespacellvm;
usingnamespaceclang;
usingnamespaceclang::tblgen;

/// ClangASTNodesEmitter - The top-level class emits .inc files containing
///  declarations of Clang statements.
///
namespace {
class ClangASTNodesEmitter { … };
} // end anonymous namespace

//===----------------------------------------------------------------------===//
// Statement Node Tables (.inc file) generation.
//===----------------------------------------------------------------------===//

// Returns the first and last non-abstract subrecords
// Called recursively to ensure that nodes remain contiguous
std::pair<ASTNode, ASTNode> ClangASTNodesEmitter::EmitNode(raw_ostream &OS,
                                                           ASTNode Base) { … }

void ClangASTNodesEmitter::deriveChildTree() { … }

void ClangASTNodesEmitter::run(raw_ostream &OS) { … }

void clang::EmitClangASTNodes(const RecordKeeper &RK, raw_ostream &OS,
                              const std::string &N, const std::string &S,
                              std::string_view PriorizeIfSubclassOf) { … }

void printDeclContext(const std::multimap<const Record *, const Record *> &Tree,
                      const Record *DeclContext, raw_ostream &OS) { … }

// Emits and addendum to a .inc file to enumerate the clang declaration
// contexts.
void clang::EmitClangDeclContext(const RecordKeeper &Records, raw_ostream &OS) { … }