PublicAPICommand.h
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//===-- Implementation of PublicAPICommand ----------------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_UTILS_HDRGEN_PUBLICAPICOMMAND_H
#define LLVM_LIBC_UTILS_HDRGEN_PUBLICAPICOMMAND_H
#include "Command.h"
#include "llvm/ADT/StringRef.h"
#include <string>
#include <unordered_map>
#include <unordered_set>
namespace llvm {
class raw_ostream;
class Record;
class RecordKeeper;
} // namespace llvm
namespace llvm_libc {
class PublicAPICommand : public Command {
public:
static const char Name[];
void run(llvm::raw_ostream &OS, const ArgVector &Args,
llvm::StringRef StdHeader, llvm::RecordKeeper &Records,
const Command::ErrorReporter &Reporter) const override;
};
class APIIndexer {
private:
llvm::Optional<llvm::StringRef> StdHeader;
// TableGen classes in spec.td.
llvm::Record *NamedTypeClass;
llvm::Record *PtrTypeClass;
llvm::Record *RestrictedPtrTypeClass;
llvm::Record *ConstTypeClass;
llvm::Record *StructClass;
llvm::Record *StandardSpecClass;
llvm::Record *PublicAPIClass;
bool isaNamedType(llvm::Record *Def);
bool isaStructType(llvm::Record *Def);
bool isaPtrType(llvm::Record *Def);
bool isaConstType(llvm::Record *Def);
bool isaRestrictedPtrType(llvm::Record *Def);
bool isaStandardSpec(llvm::Record *Def);
bool isaPublicAPI(llvm::Record *Def);
void indexStandardSpecDef(llvm::Record *StandardSpec);
void indexPublicAPIDef(llvm::Record *PublicAPI);
void index(llvm::RecordKeeper &Records);
public:
using NameToRecordMapping = std::unordered_map<std::string, llvm::Record *>;
using NameSet = std::unordered_set<std::string>;
// This indexes all headers, not just a specified one.
explicit APIIndexer(llvm::RecordKeeper &Records) : StdHeader(llvm::None) {
index(Records);
}
APIIndexer(llvm::StringRef Header, llvm::RecordKeeper &Records)
: StdHeader(Header) {
index(Records);
}
// Mapping from names to records defining them.
NameToRecordMapping MacroSpecMap;
NameToRecordMapping TypeSpecMap;
NameToRecordMapping EnumerationSpecMap;
NameToRecordMapping FunctionSpecMap;
NameToRecordMapping MacroDefsMap;
NameToRecordMapping TypeDeclsMap;
NameSet Structs;
NameSet Enumerations;
NameSet Functions;
NameSet PublicHeaders;
std::string getTypeAsString(llvm::Record *TypeRecord);
};
} // namespace llvm_libc
#endif // LLVM_LIBC_UTILS_HDRGEN_PUBLICAPICOMMAND_H