summaryrefslogtreecommitdiff
path: root/lib/Parse/MinimalAction.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Parse/MinimalAction.cpp')
-rw-r--r--lib/Parse/MinimalAction.cpp281
1 files changed, 0 insertions, 281 deletions
diff --git a/lib/Parse/MinimalAction.cpp b/lib/Parse/MinimalAction.cpp
deleted file mode 100644
index b7205160c177..000000000000
--- a/lib/Parse/MinimalAction.cpp
+++ /dev/null
@@ -1,281 +0,0 @@
-//===--- MinimalAction.cpp - Implement the MinimalAction class ------------===//
-//
-// 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 MinimalAction interface.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Parse/Parser.h"
-#include "clang/Parse/DeclSpec.h"
-#include "clang/Parse/Scope.h"
-#include "clang/Basic/TargetInfo.h"
-#include "llvm/Support/Allocator.h"
-#include "llvm/Support/RecyclingAllocator.h"
-#include "llvm/Support/raw_ostream.h"
-using namespace clang;
-
-/// Out-of-line virtual destructor to provide home for ActionBase class.
-ActionBase::~ActionBase() {}
-
-/// Out-of-line virtual destructor to provide home for Action class.
-Action::~Action() {}
-
-Action::ObjCMessageKind Action::getObjCMessageKind(Scope *S,
- IdentifierInfo *Name,
- SourceLocation NameLoc,
- bool IsSuper,
- bool HasTrailingDot,
- TypeTy *&ReceiverType) {
- ReceiverType = 0;
-
- if (IsSuper && !HasTrailingDot && S->isInObjcMethodScope())
- return ObjCSuperMessage;
-
- if (TypeTy *TyName = getTypeName(*Name, NameLoc, S)) {
- DeclSpec DS;
- const char *PrevSpec = 0;
- unsigned DiagID = 0;
- if (!DS.SetTypeSpecType(DeclSpec::TST_typename, NameLoc, PrevSpec,
- DiagID, TyName)) {
- DS.SetRangeEnd(NameLoc);
- Declarator DeclaratorInfo(DS, Declarator::TypeNameContext);
- TypeResult Ty = ActOnTypeName(S, DeclaratorInfo);
- if (!Ty.isInvalid())
- ReceiverType = Ty.get();
- }
- return ObjCClassMessage;
- }
-
- return ObjCInstanceMessage;
-}
-
-// Defined out-of-line here because of dependecy on AttributeList
-Action::DeclPtrTy Action::ActOnUsingDirective(Scope *CurScope,
- SourceLocation UsingLoc,
- SourceLocation NamespcLoc,
- CXXScopeSpec &SS,
- SourceLocation IdentLoc,
- IdentifierInfo *NamespcName,
- AttributeList *AttrList) {
-
- // FIXME: Parser seems to assume that Action::ActOn* takes ownership over
- // passed AttributeList, however other actions don't free it, is it
- // temporary state or bug?
- delete AttrList;
- return DeclPtrTy();
-}
-
-// Defined out-of-line here because of dependency on AttributeList
-Action::DeclPtrTy Action::ActOnUsingDeclaration(Scope *CurScope,
- AccessSpecifier AS,
- bool HasUsingKeyword,
- SourceLocation UsingLoc,
- CXXScopeSpec &SS,
- UnqualifiedId &Name,
- AttributeList *AttrList,
- bool IsTypeName,
- SourceLocation TypenameLoc) {
-
- // FIXME: Parser seems to assume that Action::ActOn* takes ownership over
- // passed AttributeList, however other actions don't free it, is it
- // temporary state or bug?
- delete AttrList;
- return DeclPtrTy();
-}
-
-
-void PrettyStackTraceActionsDecl::print(llvm::raw_ostream &OS) const {
- if (Loc.isValid()) {
- Loc.print(OS, SM);
- OS << ": ";
- }
- OS << Message;
-
- std::string Name = Actions.getDeclName(TheDecl);
- if (!Name.empty())
- OS << " '" << Name << '\'';
-
- OS << '\n';
-}
-
-/// TypeNameInfo - A link exists here for each scope that an identifier is
-/// defined.
-namespace {
- struct TypeNameInfo {
- TypeNameInfo *Prev;
- bool isTypeName;
-
- TypeNameInfo(bool istypename, TypeNameInfo *prev) {
- isTypeName = istypename;
- Prev = prev;
- }
- };
-
- struct TypeNameInfoTable {
- llvm::RecyclingAllocator<llvm::BumpPtrAllocator, TypeNameInfo> Allocator;
-
- void AddEntry(bool isTypename, IdentifierInfo *II) {
- TypeNameInfo *TI = Allocator.Allocate<TypeNameInfo>();
- new (TI) TypeNameInfo(isTypename, II->getFETokenInfo<TypeNameInfo>());
- II->setFETokenInfo(TI);
- }
-
- void DeleteEntry(TypeNameInfo *Entry) {
- Entry->~TypeNameInfo();
- Allocator.Deallocate(Entry);
- }
- };
-}
-
-static TypeNameInfoTable *getTable(void *TP) {
- return static_cast<TypeNameInfoTable*>(TP);
-}
-
-MinimalAction::MinimalAction(Preprocessor &pp)
- : Idents(pp.getIdentifierTable()), PP(pp) {
- TypeNameInfoTablePtr = new TypeNameInfoTable();
-}
-
-MinimalAction::~MinimalAction() {
- delete getTable(TypeNameInfoTablePtr);
-}
-
-void MinimalAction::ActOnTranslationUnitScope(SourceLocation Loc, Scope *S) {
- TUScope = S;
-
- TypeNameInfoTable &TNIT = *getTable(TypeNameInfoTablePtr);
-
- if (PP.getTargetInfo().getPointerWidth(0) >= 64) {
- // Install [u]int128_t for 64-bit targets.
- TNIT.AddEntry(true, &Idents.get("__int128_t"));
- TNIT.AddEntry(true, &Idents.get("__uint128_t"));
- }
-
- if (PP.getLangOptions().ObjC1) {
- // Recognize the ObjC built-in type identifiers as types.
- TNIT.AddEntry(true, &Idents.get("id"));
- TNIT.AddEntry(true, &Idents.get("SEL"));
- TNIT.AddEntry(true, &Idents.get("Class"));
- TNIT.AddEntry(true, &Idents.get("Protocol"));
- }
-}
-
-/// isTypeName - This looks at the IdentifierInfo::FETokenInfo field to
-/// determine whether the name is a type name (objc class name or typedef) or
-/// not in this scope.
-///
-/// FIXME: Use the passed CXXScopeSpec for accurate C++ type checking.
-Action::TypeTy *
-MinimalAction::getTypeName(IdentifierInfo &II, SourceLocation Loc,
- Scope *S, CXXScopeSpec *SS,
- bool isClassName, TypeTy *ObjectType) {
- if (TypeNameInfo *TI = II.getFETokenInfo<TypeNameInfo>())
- if (TI->isTypeName)
- return TI;
- return 0;
-}
-
-/// isCurrentClassName - Always returns false, because MinimalAction
-/// does not support C++ classes with constructors.
-bool MinimalAction::isCurrentClassName(const IdentifierInfo &, Scope *,
- const CXXScopeSpec *) {
- return false;
-}
-
-TemplateNameKind
-MinimalAction::isTemplateName(Scope *S,
- CXXScopeSpec &SS,
- UnqualifiedId &Name,
- TypeTy *ObjectType,
- bool EnteringScope,
- TemplateTy &TemplateDecl,
- bool &MemberOfUnknownSpecialization) {
- MemberOfUnknownSpecialization = false;
- return TNK_Non_template;
-}
-
-/// ActOnDeclarator - If this is a typedef declarator, we modify the
-/// IdentifierInfo::FETokenInfo field to keep track of this fact, until S is
-/// popped.
-Action::DeclPtrTy
-MinimalAction::ActOnDeclarator(Scope *S, Declarator &D) {
- IdentifierInfo *II = D.getIdentifier();
-
- // If there is no identifier associated with this declarator, bail out.
- if (II == 0) return DeclPtrTy();
-
- TypeNameInfo *weCurrentlyHaveTypeInfo = II->getFETokenInfo<TypeNameInfo>();
- bool isTypeName =
- D.getDeclSpec().getStorageClassSpec() == DeclSpec::SCS_typedef;
-
- // this check avoids creating TypeNameInfo objects for the common case.
- // It does need to handle the uncommon case of shadowing a typedef name with a
- // non-typedef name. e.g. { typedef int a; a xx; { int a; } }
- if (weCurrentlyHaveTypeInfo || isTypeName) {
- // Allocate and add the 'TypeNameInfo' "decl".
- getTable(TypeNameInfoTablePtr)->AddEntry(isTypeName, II);
-
- // Remember that this needs to be removed when the scope is popped.
- S->AddDecl(DeclPtrTy::make(II));
- }
- return DeclPtrTy();
-}
-
-Action::DeclPtrTy
-MinimalAction::ActOnStartClassInterface(SourceLocation AtInterfaceLoc,
- IdentifierInfo *ClassName,
- SourceLocation ClassLoc,
- IdentifierInfo *SuperName,
- SourceLocation SuperLoc,
- const DeclPtrTy *ProtoRefs,
- unsigned NumProtocols,
- const SourceLocation *ProtoLocs,
- SourceLocation EndProtoLoc,
- AttributeList *AttrList) {
- // Allocate and add the 'TypeNameInfo' "decl".
- getTable(TypeNameInfoTablePtr)->AddEntry(true, ClassName);
- return DeclPtrTy();
-}
-
-/// ActOnForwardClassDeclaration -
-/// Scope will always be top level file scope.
-Action::DeclPtrTy
-MinimalAction::ActOnForwardClassDeclaration(SourceLocation AtClassLoc,
- IdentifierInfo **IdentList,
- SourceLocation *IdentLocs,
- unsigned NumElts) {
- for (unsigned i = 0; i != NumElts; ++i) {
- // Allocate and add the 'TypeNameInfo' "decl".
- getTable(TypeNameInfoTablePtr)->AddEntry(true, IdentList[i]);
-
- // Remember that this needs to be removed when the scope is popped.
- TUScope->AddDecl(DeclPtrTy::make(IdentList[i]));
- }
- return DeclPtrTy();
-}
-
-/// ActOnPopScope - When a scope is popped, if any typedefs are now
-/// out-of-scope, they are removed from the IdentifierInfo::FETokenInfo field.
-void MinimalAction::ActOnPopScope(SourceLocation Loc, Scope *S) {
- TypeNameInfoTable &Table = *getTable(TypeNameInfoTablePtr);
-
- for (Scope::decl_iterator I = S->decl_begin(), E = S->decl_end();
- I != E; ++I) {
- IdentifierInfo &II = *(*I).getAs<IdentifierInfo>();
- TypeNameInfo *TI = II.getFETokenInfo<TypeNameInfo>();
- assert(TI && "This decl didn't get pushed??");
-
- if (TI) {
- TypeNameInfo *Next = TI->Prev;
- Table.DeleteEntry(TI);
-
- II.setFETokenInfo(Next);
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 11:09:07 +0000