//===--- ASTConcept.cpp - Concepts Related AST Data Structures --*- 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

/// \brief This file defines AST data structures related to concepts.

///

//===----------------------------------------------------------------------===//

#include "clang/AST/ASTConcept.h"

#include "clang/AST/ASTContext.h"

#include "clang/AST/Decl.h"

#include "clang/AST/TemplateBase.h"

#include "llvm/ADT/ArrayRef.h"

#include "llvm/ADT/FoldingSet.h"

using namespace clang;

ASTConstraintSatisfaction::ASTConstraintSatisfaction(const ASTContext &C,

    const ConstraintSatisfaction &Satisfaction):

    NumRecords{Satisfaction.Details.size()},

    IsSatisfied{Satisfaction.IsSatisfied} {

  for (unsigned I = 0; I < NumRecords; 
++I185
) {

    auto &Detail = Satisfaction.Details[I];

    if (Detail.second.is<Expr *>())

      new (getTrailingObjects<UnsatisfiedConstraintRecord>() + I)

         UnsatisfiedConstraintRecord{Detail.first,

                                     UnsatisfiedConstraintRecord::second_type(

                                         Detail.second.get<Expr *>())};

    else {

      auto &SubstitutionDiagnostic =

          *Detail.second.get<std::pair<SourceLocation, StringRef> *>();

      unsigned MessageSize = SubstitutionDiagnostic.second.size();

      char *Mem = new (C) char[MessageSize];

      memcpy(Mem, SubstitutionDiagnostic.second.data(), MessageSize);

      auto *NewSubstDiag = new (C) std::pair<SourceLocation, StringRef>(

          SubstitutionDiagnostic.first, StringRef(Mem, MessageSize));

      new (getTrailingObjects<UnsatisfiedConstraintRecord>() + I)

         UnsatisfiedConstraintRecord{Detail.first,

                                     UnsatisfiedConstraintRecord::second_type(

                                         NewSubstDiag)};

    }

  }

}

ASTConstraintSatisfaction *

ASTConstraintSatisfaction::Create(const ASTContext &C,

                                  const ConstraintSatisfaction &Satisfaction) {

  std::size_t size =

      totalSizeToAlloc<UnsatisfiedConstraintRecord>(

          Satisfaction.Details.size());

  void *Mem = C.Allocate(size, alignof(ASTConstraintSatisfaction));

  return new (Mem) ASTConstraintSatisfaction(C, Satisfaction);

}

void ConstraintSatisfaction::Profile(

    llvm::FoldingSetNodeID &ID, const ASTContext &C,

    const NamedDecl *ConstraintOwner, ArrayRef<TemplateArgument> TemplateArgs) {

  ID.AddPointer(ConstraintOwner);

  ID.AddInteger(TemplateArgs.size());

  for (auto &Arg : TemplateArgs)

    Arg.Profile(ID, C);

}