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81 lines
2.4 KiB
81 lines
2.4 KiB
7 months ago
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//===-- A class to index libc API listed in tablegen files ------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_UTILS_LIBC_TABLE_GEN_UTILS_API_INDEXER_H
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#define LLVM_LIBC_UTILS_LIBC_TABLE_GEN_UTILS_API_INDEXER_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/TableGen/Record.h"
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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namespace llvm_libc {
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class APIIndexer {
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private:
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llvm::Optional<llvm::StringRef> StdHeader;
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// TableGen classes in spec.td.
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llvm::Record *NamedTypeClass;
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llvm::Record *PtrTypeClass;
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llvm::Record *RestrictedPtrTypeClass;
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llvm::Record *ConstTypeClass;
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llvm::Record *StructClass;
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llvm::Record *StandardSpecClass;
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llvm::Record *PublicAPIClass;
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bool isaNamedType(llvm::Record *Def);
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bool isaStructType(llvm::Record *Def);
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bool isaPtrType(llvm::Record *Def);
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bool isaConstType(llvm::Record *Def);
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bool isaRestrictedPtrType(llvm::Record *Def);
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bool isaStandardSpec(llvm::Record *Def);
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bool isaPublicAPI(llvm::Record *Def);
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void indexStandardSpecDef(llvm::Record *StandardSpec);
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void indexPublicAPIDef(llvm::Record *PublicAPI);
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void index(llvm::RecordKeeper &Records);
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public:
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using NameToRecordMapping = std::unordered_map<std::string, llvm::Record *>;
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using NameSet = std::unordered_set<std::string>;
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// This indexes all headers, not just a specified one.
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explicit APIIndexer(llvm::RecordKeeper &Records) : StdHeader(llvm::None) {
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index(Records);
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}
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APIIndexer(llvm::StringRef Header, llvm::RecordKeeper &Records)
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: StdHeader(Header) {
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index(Records);
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}
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// Mapping from names to records defining them.
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NameToRecordMapping MacroSpecMap;
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NameToRecordMapping TypeSpecMap;
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NameToRecordMapping EnumerationSpecMap;
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NameToRecordMapping FunctionSpecMap;
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NameToRecordMapping MacroDefsMap;
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NameToRecordMapping TypeDeclsMap;
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std::unordered_map<std::string, std::string> FunctionToHeaderMap;
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NameSet Structs;
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NameSet Enumerations;
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NameSet Functions;
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NameSet PublicHeaders;
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std::string getTypeAsString(llvm::Record *TypeRecord);
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};
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} // namespace llvm_libc
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#endif // LLVM_LIBC_UTILS_LIBC_TABLE_GEN_UTILS_API_INDEXER_H
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