Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 427 deletions

diff --git a/gnu/llvm/tools/clang/lib/Sema/IdentifierResolver.cpp b/gnu/llvm/tools/clang/lib/Sema/IdentifierResolver.cpp
deleted file mode 100644
index b439f725572..00000000000
--- a/gnu/llvm/tools/clang/lib/Sema/IdentifierResolver.cpp
+++ /dev/null
@@ -1,427 +0,0 @@
-//===- IdentifierResolver.cpp - Lexical Scope Name lookup -----------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the IdentifierResolver class, which is used for lexical
-// scoped lookup, based on declaration names.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Sema/IdentifierResolver.h"
-#include "clang/AST/Decl.h"
-#include "clang/AST/DeclBase.h"
-#include "clang/AST/DeclarationName.h"
-#include "clang/Basic/IdentifierTable.h"
-#include "clang/Basic/LangOptions.h"
-#include "clang/Lex/ExternalPreprocessorSource.h"
-#include "clang/Lex/Preprocessor.h"
-#include "clang/Sema/Scope.h"
-#include "llvm/Support/ErrorHandling.h"
-#include <cassert>
-#include <cstdint>
-
-using namespace clang;
-
-//===----------------------------------------------------------------------===//
-// IdDeclInfoMap class
-//===----------------------------------------------------------------------===//
-
-/// IdDeclInfoMap - Associates IdDeclInfos with declaration names.
-/// Allocates 'pools' (vectors of IdDeclInfos) to avoid allocating each
-/// individual IdDeclInfo to heap.
-class IdentifierResolver::IdDeclInfoMap {
-  static const unsigned int POOL_SIZE = 512;
-
-  /// We use our own linked-list implementation because it is sadly
-  /// impossible to add something to a pre-C++0x STL container without
-  /// a completely unnecessary copy.
-  struct IdDeclInfoPool {
-    IdDeclInfoPool *Next;
-    IdDeclInfo Pool[POOL_SIZE];
-
-    IdDeclInfoPool(IdDeclInfoPool *Next) : Next(Next) {}
-  };
-
-  IdDeclInfoPool *CurPool = nullptr;
-  unsigned int CurIndex = POOL_SIZE;
-
-public:
-  IdDeclInfoMap() = default;
-
-  ~IdDeclInfoMap() {
-    IdDeclInfoPool *Cur = CurPool;
-    while (IdDeclInfoPool *P = Cur) {
-      Cur = Cur->Next;
-      delete P;
-    }
-  }
-
-  /// Returns the IdDeclInfo associated to the DeclarationName.
-  /// It creates a new IdDeclInfo if one was not created before for this id.
-  IdDeclInfo &operator[](DeclarationName Name);
-};
-
-//===----------------------------------------------------------------------===//
-// IdDeclInfo Implementation
-//===----------------------------------------------------------------------===//
-
-/// RemoveDecl - Remove the decl from the scope chain.
-/// The decl must already be part of the decl chain.
-void IdentifierResolver::IdDeclInfo::RemoveDecl(NamedDecl *D) {
-  for (DeclsTy::iterator I = Decls.end(); I != Decls.begin(); --I) {
-    if (D == *(I-1)) {
-      Decls.erase(I-1);
-      return;
-    }
-  }
-
-  llvm_unreachable("Didn't find this decl on its identifier's chain!");
-}
-
-//===----------------------------------------------------------------------===//
-// IdentifierResolver Implementation
-//===----------------------------------------------------------------------===//
-
-IdentifierResolver::IdentifierResolver(Preprocessor &PP)
-    : LangOpt(PP.getLangOpts()), PP(PP), IdDeclInfos(new IdDeclInfoMap) {}
-
-IdentifierResolver::~IdentifierResolver() {
-  delete IdDeclInfos;
-}
-
-/// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true
-/// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns
-/// true if 'D' belongs to the given declaration context.
-bool IdentifierResolver::isDeclInScope(Decl *D, DeclContext *Ctx, Scope *S,
-                                       bool AllowInlineNamespace) const {
-  Ctx = Ctx->getRedeclContext();
-
-  if (Ctx->isFunctionOrMethod() || (S && S->isFunctionPrototypeScope())) {
-    // Ignore the scopes associated within transparent declaration contexts.
-    while (S->getEntity() && S->getEntity()->isTransparentContext())
-      S = S->getParent();
-
-    if (S->isDeclScope(D))
-      return true;
-    if (LangOpt.CPlusPlus) {
-      // C++ 3.3.2p3:
-      // The name declared in a catch exception-declaration is local to the
-      // handler and shall not be redeclared in the outermost block of the
-      // handler.
-      // C++ 3.3.2p4:
-      // Names declared in the for-init-statement, and in the condition of if,
-      // while, for, and switch statements are local to the if, while, for, or
-      // switch statement (including the controlled statement), and shall not be
-      // redeclared in a subsequent condition of that statement nor in the
-      // outermost block (or, for the if statement, any of the outermost blocks)
-      // of the controlled statement.
-      //
-      assert(S->getParent() && "No TUScope?");
-      if (S->getParent()->getFlags() & Scope::ControlScope) {
-        S = S->getParent();
-        if (S->isDeclScope(D))
-          return true;
-      }
-      if (S->getFlags() & Scope::FnTryCatchScope)
-        return S->getParent()->isDeclScope(D);
-    }
-    return false;
-  }
-
-  // FIXME: If D is a local extern declaration, this check doesn't make sense;
-  // we should be checking its lexical context instead in that case, because
-  // that is its scope.
-  DeclContext *DCtx = D->getDeclContext()->getRedeclContext();
-  return AllowInlineNamespace ? Ctx->InEnclosingNamespaceSetOf(DCtx)
-                              : Ctx->Equals(DCtx);
-}
-
-/// AddDecl - Link the decl to its shadowed decl chain.
-void IdentifierResolver::AddDecl(NamedDecl *D) {
-  DeclarationName Name = D->getDeclName();
-  if (IdentifierInfo *II = Name.getAsIdentifierInfo())
-    updatingIdentifier(*II);
-
-  void *Ptr = Name.getFETokenInfo();
-
-  if (!Ptr) {
-    Name.setFETokenInfo(D);
-    return;
-  }
-
-  IdDeclInfo *IDI;
-
-  if (isDeclPtr(Ptr)) {
-    Name.setFETokenInfo(nullptr);
-    IDI = &(*IdDeclInfos)[Name];
-    NamedDecl *PrevD = static_cast<NamedDecl*>(Ptr);
-    IDI->AddDecl(PrevD);
-  } else
-    IDI = toIdDeclInfo(Ptr);
-
-  IDI->AddDecl(D);
-}
-
-void IdentifierResolver::InsertDeclAfter(iterator Pos, NamedDecl *D) {
-  DeclarationName Name = D->getDeclName();
-  if (IdentifierInfo *II = Name.getAsIdentifierInfo())
-    updatingIdentifier(*II);
-
-  void *Ptr = Name.getFETokenInfo();
-
-  if (!Ptr) {
-    AddDecl(D);
-    return;
-  }
-
-  if (isDeclPtr(Ptr)) {
-    // We only have a single declaration: insert before or after it,
-    // as appropriate.
-    if (Pos == iterator()) {
-      // Add the new declaration before the existing declaration.
-      NamedDecl *PrevD = static_cast<NamedDecl*>(Ptr);
-      RemoveDecl(PrevD);
-      AddDecl(D);
-      AddDecl(PrevD);
-    } else {
-      // Add new declaration after the existing declaration.
-      AddDecl(D);
-    }
-
-    return;
-  }
-
-  // General case: insert the declaration at the appropriate point in the
-  // list, which already has at least two elements.
-  IdDeclInfo *IDI = toIdDeclInfo(Ptr);
-  if (Pos.isIterator()) {
-    IDI->InsertDecl(Pos.getIterator() + 1, D);
-  } else
-    IDI->InsertDecl(IDI->decls_begin(), D);
-}
-
-/// RemoveDecl - Unlink the decl from its shadowed decl chain.
-/// The decl must already be part of the decl chain.
-void IdentifierResolver::RemoveDecl(NamedDecl *D) {
-  assert(D && "null param passed");
-  DeclarationName Name = D->getDeclName();
-  if (IdentifierInfo *II = Name.getAsIdentifierInfo())
-    updatingIdentifier(*II);
-
-  void *Ptr = Name.getFETokenInfo();
-
-  assert(Ptr && "Didn't find this decl on its identifier's chain!");
-
-  if (isDeclPtr(Ptr)) {
-    assert(D == Ptr && "Didn't find this decl on its identifier's chain!");
-    Name.setFETokenInfo(nullptr);
-    return;
-  }
-
-  return toIdDeclInfo(Ptr)->RemoveDecl(D);
-}
-
-/// begin - Returns an iterator for decls with name 'Name'.
-IdentifierResolver::iterator
-IdentifierResolver::begin(DeclarationName Name) {
-  if (IdentifierInfo *II = Name.getAsIdentifierInfo())
-    readingIdentifier(*II);
-
-  void *Ptr = Name.getFETokenInfo();
-  if (!Ptr) return end();
-
-  if (isDeclPtr(Ptr))
-    return iterator(static_cast<NamedDecl*>(Ptr));
-
-  IdDeclInfo *IDI = toIdDeclInfo(Ptr);
-
-  IdDeclInfo::DeclsTy::iterator I = IDI->decls_end();
-  if (I != IDI->decls_begin())
-    return iterator(I-1);
-  // No decls found.
-  return end();
-}
-
-namespace {
-
-enum DeclMatchKind {
-  DMK_Different,
-  DMK_Replace,
-  DMK_Ignore
-};
-
-} // namespace
-
-/// Compare two declarations to see whether they are different or,
-/// if they are the same, whether the new declaration should replace the
-/// existing declaration.
-static DeclMatchKind compareDeclarations(NamedDecl *Existing, NamedDecl *New) {
-  // If the declarations are identical, ignore the new one.
-  if (Existing == New)
-    return DMK_Ignore;
-
-  // If the declarations have different kinds, they're obviously different.
-  if (Existing->getKind() != New->getKind())
-    return DMK_Different;
-
-  // If the declarations are redeclarations of each other, keep the newest one.
-  if (Existing->getCanonicalDecl() == New->getCanonicalDecl()) {
-    // If we're adding an imported declaration, don't replace another imported
-    // declaration.
-    if (Existing->isFromASTFile() && New->isFromASTFile())
-      return DMK_Different;
-
-    // If either of these is the most recent declaration, use it.
-    Decl *MostRecent = Existing->getMostRecentDecl();
-    if (Existing == MostRecent)
-      return DMK_Ignore;
-
-    if (New == MostRecent)
-      return DMK_Replace;
-
-    // If the existing declaration is somewhere in the previous declaration
-    // chain of the new declaration, then prefer the new declaration.
-    for (auto RD : New->redecls()) {
-      if (RD == Existing)
-        return DMK_Replace;
-
-      if (RD->isCanonicalDecl())
-        break;
-    }
-
-    return DMK_Ignore;
-  }
-
-  return DMK_Different;
-}
-
-bool IdentifierResolver::tryAddTopLevelDecl(NamedDecl *D, DeclarationName Name){
-  if (IdentifierInfo *II = Name.getAsIdentifierInfo())
-    readingIdentifier(*II);
-
-  void *Ptr = Name.getFETokenInfo();
-
-  if (!Ptr) {
-    Name.setFETokenInfo(D);
-    return true;
-  }
-
-  IdDeclInfo *IDI;
-
-  if (isDeclPtr(Ptr)) {
-    NamedDecl *PrevD = static_cast<NamedDecl*>(Ptr);
-
-    switch (compareDeclarations(PrevD, D)) {
-    case DMK_Different:
-      break;
-
-    case DMK_Ignore:
-      return false;
-
-    case DMK_Replace:
-      Name.setFETokenInfo(D);
-      return true;
-    }
-
-    Name.setFETokenInfo(nullptr);
-    IDI = &(*IdDeclInfos)[Name];
-
-    // If the existing declaration is not visible in translation unit scope,
-    // then add the new top-level declaration first.
-    if (!PrevD->getDeclContext()->getRedeclContext()->isTranslationUnit()) {
-      IDI->AddDecl(D);
-      IDI->AddDecl(PrevD);
-    } else {
-      IDI->AddDecl(PrevD);
-      IDI->AddDecl(D);
-    }
-    return true;
-  }
-
-  IDI = toIdDeclInfo(Ptr);
-
-  // See whether this declaration is identical to any existing declarations.
-  // If not, find the right place to insert it.
-  for (IdDeclInfo::DeclsTy::iterator I = IDI->decls_begin(),
-                                  IEnd = IDI->decls_end();
-       I != IEnd; ++I) {
-
-    switch (compareDeclarations(*I, D)) {
-    case DMK_Different:
-      break;
-
-    case DMK_Ignore:
-      return false;
-
-    case DMK_Replace:
-      *I = D;
-      return true;
-    }
-
-    if (!(*I)->getDeclContext()->getRedeclContext()->isTranslationUnit()) {
-      // We've found a declaration that is not visible from the translation
-      // unit (it's in an inner scope). Insert our declaration here.
-      IDI->InsertDecl(I, D);
-      return true;
-    }
-  }
-
-  // Add the declaration to the end.
-  IDI->AddDecl(D);
-  return true;
-}
-
-void IdentifierResolver::readingIdentifier(IdentifierInfo &II) {
-  if (II.isOutOfDate())
-    PP.getExternalSource()->updateOutOfDateIdentifier(II);
-}
-
-void IdentifierResolver::updatingIdentifier(IdentifierInfo &II) {
-  if (II.isOutOfDate())
-    PP.getExternalSource()->updateOutOfDateIdentifier(II);
-
-  if (II.isFromAST())
-    II.setFETokenInfoChangedSinceDeserialization();
-}
-
-//===----------------------------------------------------------------------===//
-// IdDeclInfoMap Implementation
-//===----------------------------------------------------------------------===//
-
-/// Returns the IdDeclInfo associated to the DeclarationName.
-/// It creates a new IdDeclInfo if one was not created before for this id.
-IdentifierResolver::IdDeclInfo &
-IdentifierResolver::IdDeclInfoMap::operator[](DeclarationName Name) {
-  void *Ptr = Name.getFETokenInfo();
-
-  if (Ptr) return *toIdDeclInfo(Ptr);
-
-  if (CurIndex == POOL_SIZE) {
-    CurPool = new IdDeclInfoPool(CurPool);
-    CurIndex = 0;
-  }
-  IdDeclInfo *IDI = &CurPool->Pool[CurIndex];
-  Name.setFETokenInfo(reinterpret_cast<void*>(
-                              reinterpret_cast<uintptr_t>(IDI) | 0x1)
-                                                                     );
-  ++CurIndex;
-  return *IDI;
-}
-
-void IdentifierResolver::iterator::incrementSlowCase() {
-  NamedDecl *D = **this;
-  void *InfoPtr = D->getDeclName().getFETokenInfo();
-  assert(!isDeclPtr(InfoPtr) && "Decl with wrong id ?");
-  IdDeclInfo *Info = toIdDeclInfo(InfoPtr);
-
-  BaseIter I = getIterator();
-  if (I != Info->decls_begin())
-    *this = iterator(I-1);
-  else // No more decls.
-    *this = iterator();
-}