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//===- ExtractAPI/API.cpp ---------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file implements the APIRecord and derived record structs,
/// and the APISet class.
///
//===----------------------------------------------------------------------===//
#include "clang/ExtractAPI/API.h"
#include "clang/AST/CommentCommandTraits.h"
#include "clang/AST/CommentLexer.h"
#include "clang/AST/RawCommentList.h"
#include "clang/Index/USRGeneration.h"
#include "llvm/Support/Allocator.h"
using namespace clang::extractapi;
using namespace llvm;
GlobalRecord *APISet::addGlobal(GVKind Kind, StringRef Name, StringRef USR,
PresumedLoc Loc,
const AvailabilityInfo &Availability,
LinkageInfo Linkage, const DocComment &Comment,
DeclarationFragments Fragments,
DeclarationFragments SubHeading,
FunctionSignature Signature) {
auto Result = Globals.insert({Name, nullptr});
if (Result.second) {
// Create the record if it does not already exist.
auto Record = APIRecordUniquePtr<GlobalRecord>(new (Allocator) GlobalRecord{
Kind, Name, USR, Loc, Availability, Linkage, Comment, Fragments,
SubHeading, Signature});
Result.first->second = std::move(Record);
}
return Result.first->second.get();
}
GlobalRecord *
APISet::addGlobalVar(StringRef Name, StringRef USR, PresumedLoc Loc,
const AvailabilityInfo &Availability, LinkageInfo Linkage,
const DocComment &Comment, DeclarationFragments Fragments,
DeclarationFragments SubHeading) {
return addGlobal(GVKind::Variable, Name, USR, Loc, Availability, Linkage,
Comment, Fragments, SubHeading, {});
}
GlobalRecord *
APISet::addFunction(StringRef Name, StringRef USR, PresumedLoc Loc,
const AvailabilityInfo &Availability, LinkageInfo Linkage,
const DocComment &Comment, DeclarationFragments Fragments,
DeclarationFragments SubHeading,
FunctionSignature Signature) {
return addGlobal(GVKind::Function, Name, USR, Loc, Availability, Linkage,
Comment, Fragments, SubHeading, Signature);
}
EnumConstantRecord *APISet::addEnumConstant(
EnumRecord *Enum, StringRef Name, StringRef USR, PresumedLoc Loc,
const AvailabilityInfo &Availability, const DocComment &Comment,
DeclarationFragments Declaration, DeclarationFragments SubHeading) {
auto Record =
APIRecordUniquePtr<EnumConstantRecord>(new (Allocator) EnumConstantRecord{
Name, USR, Loc, Availability, Comment, Declaration, SubHeading});
return Enum->Constants.emplace_back(std::move(Record)).get();
}
EnumRecord *APISet::addEnum(StringRef Name, StringRef USR, PresumedLoc Loc,
const AvailabilityInfo &Availability,
const DocComment &Comment,
DeclarationFragments Declaration,
DeclarationFragments SubHeading) {
auto Result = Enums.insert({Name, nullptr});
if (Result.second) {
// Create the record if it does not already exist.
auto Record = APIRecordUniquePtr<EnumRecord>(new (Allocator) EnumRecord{
Name, USR, Loc, Availability, Comment, Declaration, SubHeading});
Result.first->second = std::move(Record);
}
return Result.first->second.get();
}
StructFieldRecord *APISet::addStructField(StructRecord *Struct, StringRef Name,
StringRef USR, PresumedLoc Loc,
const AvailabilityInfo &Availability,
const DocComment &Comment,
DeclarationFragments Declaration,
DeclarationFragments SubHeading) {
auto Record =
APIRecordUniquePtr<StructFieldRecord>(new (Allocator) StructFieldRecord{
Name, USR, Loc, Availability, Comment, Declaration, SubHeading});
return Struct->Fields.emplace_back(std::move(Record)).get();
}
StructRecord *APISet::addStruct(StringRef Name, StringRef USR, PresumedLoc Loc,
const AvailabilityInfo &Availability,
const DocComment &Comment,
DeclarationFragments Declaration,
DeclarationFragments SubHeading) {
auto Result = Structs.insert({Name, nullptr});
if (Result.second) {
// Create the record if it does not already exist.
auto Record = APIRecordUniquePtr<StructRecord>(new (Allocator) StructRecord{
Name, USR, Loc, Availability, Comment, Declaration, SubHeading});
Result.first->second = std::move(Record);
}
return Result.first->second.get();
}
StringRef APISet::recordUSR(const Decl *D) {
SmallString<128> USR;
index::generateUSRForDecl(D, USR);
return copyString(USR);
}
StringRef APISet::copyString(StringRef String) {
if (String.empty())
return {};
// No need to allocate memory and copy if the string has already been stored.
if (Allocator.identifyObject(String.data()))
return String;
void *Ptr = Allocator.Allocate(String.size(), 1);
memcpy(Ptr, String.data(), String.size());
return StringRef(reinterpret_cast<const char *>(Ptr), String.size());
}
APIRecord::~APIRecord() {}
void GlobalRecord::anchor() {}
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