[cfe-commits] r51936 - in /cfe/trunk/lib/AST: Decl.cpp DeclBase.cpp
Argiris Kirtzidis
akyrtzi at gmail.com
Wed Jun 4 06:04:05 PDT 2008
Author: akirtzidis
Date: Wed Jun 4 08:04:04 2008
New Revision: 51936
URL: http://llvm.org/viewvc/llvm-project?rev=51936&view=rev
Log:
Move Decl and DeclContext implementations into a new DeclBase.cpp file.
Added:
cfe/trunk/lib/AST/DeclBase.cpp
Modified:
cfe/trunk/lib/AST/Decl.cpp
Modified: cfe/trunk/lib/AST/Decl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/Decl.cpp?rev=51936&r1=51935&r2=51936&view=diff
==============================================================================
--- cfe/trunk/lib/AST/Decl.cpp (original)
+++ cfe/trunk/lib/AST/Decl.cpp Wed Jun 4 08:04:04 2008
@@ -7,212 +7,16 @@
//
//===----------------------------------------------------------------------===//
//
-// This file implements the Decl class and subclasses.
+// This file implements the Decl subclasses.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/Decl.h"
#include "clang/AST/ASTContext.h"
-#include "clang/AST/Attr.h"
-#include "clang/Basic/IdentifierTable.h"
-#include "llvm/ADT/DenseMap.h"
using namespace clang;
//===----------------------------------------------------------------------===//
-// Statistics
-//===----------------------------------------------------------------------===//
-
-// temporary statistics gathering
-static unsigned nFuncs = 0;
-static unsigned nVars = 0;
-static unsigned nParmVars = 0;
-static unsigned nSUC = 0;
-static unsigned nEnumConst = 0;
-static unsigned nEnumDecls = 0;
-static unsigned nNamespaces = 0;
-static unsigned nTypedef = 0;
-static unsigned nFieldDecls = 0;
-static unsigned nInterfaceDecls = 0;
-static unsigned nClassDecls = 0;
-static unsigned nMethodDecls = 0;
-static unsigned nProtocolDecls = 0;
-static unsigned nForwardProtocolDecls = 0;
-static unsigned nCategoryDecls = 0;
-static unsigned nIvarDecls = 0;
-static unsigned nObjCImplementationDecls = 0;
-static unsigned nObjCCategoryImpl = 0;
-static unsigned nObjCCompatibleAlias = 0;
-static unsigned nObjCPropertyDecl = 0;
-static unsigned nObjCPropertyImplDecl = 0;
-static unsigned nLinkageSpecDecl = 0;
-static unsigned nFileScopeAsmDecl = 0;
-
-static bool StatSwitch = false;
-
-// This keeps track of all decl attributes. Since so few decls have attrs, we
-// keep them in a hash map instead of wasting space in the Decl class.
-typedef llvm::DenseMap<const Decl*, Attr*> DeclAttrMapTy;
-
-static DeclAttrMapTy *DeclAttrs = 0;
-
-const char *Decl::getDeclKindName() const {
- switch (DeclKind) {
- default: assert(0 && "Unknown decl kind!");
- case Namespace: return "Namespace";
- case Typedef: return "Typedef";
- case Function: return "Function";
- case Var: return "Var";
- case ParmVar: return "ParmVar";
- case EnumConstant: return "EnumConstant";
- case ObjCIvar: return "ObjCIvar";
- case ObjCInterface: return "ObjCInterface";
- case ObjCClass: return "ObjCClass";
- case ObjCMethod: return "ObjCMethod";
- case ObjCProtocol: return "ObjCProtocol";
- case ObjCForwardProtocol: return "ObjCForwardProtocol";
- case Struct: return "Struct";
- case Union: return "Union";
- case Class: return "Class";
- case Enum: return "Enum";
- }
-}
-
-bool Decl::CollectingStats(bool Enable) {
- if (Enable)
- StatSwitch = true;
- return StatSwitch;
-}
-
-void Decl::PrintStats() {
- fprintf(stderr, "*** Decl Stats:\n");
- fprintf(stderr, " %d decls total.\n",
- int(nFuncs+nVars+nParmVars+nFieldDecls+nSUC+
- nEnumDecls+nEnumConst+nTypedef+nInterfaceDecls+nClassDecls+
- nMethodDecls+nProtocolDecls+nCategoryDecls+nIvarDecls+
- nNamespaces));
- fprintf(stderr, " %d namespace decls, %d each (%d bytes)\n",
- nNamespaces, (int)sizeof(NamespaceDecl),
- int(nNamespaces*sizeof(NamespaceDecl)));
- fprintf(stderr, " %d function decls, %d each (%d bytes)\n",
- nFuncs, (int)sizeof(FunctionDecl), int(nFuncs*sizeof(FunctionDecl)));
- fprintf(stderr, " %d variable decls, %d each (%d bytes)\n",
- nVars, (int)sizeof(VarDecl),
- int(nVars*sizeof(VarDecl)));
- fprintf(stderr, " %d parameter variable decls, %d each (%d bytes)\n",
- nParmVars, (int)sizeof(ParmVarDecl),
- int(nParmVars*sizeof(ParmVarDecl)));
- fprintf(stderr, " %d field decls, %d each (%d bytes)\n",
- nFieldDecls, (int)sizeof(FieldDecl),
- int(nFieldDecls*sizeof(FieldDecl)));
- fprintf(stderr, " %d struct/union/class decls, %d each (%d bytes)\n",
- nSUC, (int)sizeof(RecordDecl),
- int(nSUC*sizeof(RecordDecl)));
- fprintf(stderr, " %d enum decls, %d each (%d bytes)\n",
- nEnumDecls, (int)sizeof(EnumDecl),
- int(nEnumDecls*sizeof(EnumDecl)));
- fprintf(stderr, " %d enum constant decls, %d each (%d bytes)\n",
- nEnumConst, (int)sizeof(EnumConstantDecl),
- int(nEnumConst*sizeof(EnumConstantDecl)));
- fprintf(stderr, " %d typedef decls, %d each (%d bytes)\n",
- nTypedef, (int)sizeof(TypedefDecl),int(nTypedef*sizeof(TypedefDecl)));
- // Objective-C decls...
- fprintf(stderr, " %d interface decls, %d each (%d bytes)\n",
- nInterfaceDecls, (int)sizeof(ObjCInterfaceDecl),
- int(nInterfaceDecls*sizeof(ObjCInterfaceDecl)));
- fprintf(stderr, " %d instance variable decls, %d each (%d bytes)\n",
- nIvarDecls, (int)sizeof(ObjCIvarDecl),
- int(nIvarDecls*sizeof(ObjCIvarDecl)));
- fprintf(stderr, " %d class decls, %d each (%d bytes)\n",
- nClassDecls, (int)sizeof(ObjCClassDecl),
- int(nClassDecls*sizeof(ObjCClassDecl)));
- fprintf(stderr, " %d method decls, %d each (%d bytes)\n",
- nMethodDecls, (int)sizeof(ObjCMethodDecl),
- int(nMethodDecls*sizeof(ObjCMethodDecl)));
- fprintf(stderr, " %d protocol decls, %d each (%d bytes)\n",
- nProtocolDecls, (int)sizeof(ObjCProtocolDecl),
- int(nProtocolDecls*sizeof(ObjCProtocolDecl)));
- fprintf(stderr, " %d forward protocol decls, %d each (%d bytes)\n",
- nForwardProtocolDecls, (int)sizeof(ObjCForwardProtocolDecl),
- int(nForwardProtocolDecls*sizeof(ObjCForwardProtocolDecl)));
- fprintf(stderr, " %d category decls, %d each (%d bytes)\n",
- nCategoryDecls, (int)sizeof(ObjCCategoryDecl),
- int(nCategoryDecls*sizeof(ObjCCategoryDecl)));
-
- fprintf(stderr, " %d class implementation decls, %d each (%d bytes)\n",
- nObjCImplementationDecls, (int)sizeof(ObjCImplementationDecl),
- int(nObjCImplementationDecls*sizeof(ObjCImplementationDecl)));
-
- fprintf(stderr, " %d class implementation decls, %d each (%d bytes)\n",
- nObjCCategoryImpl, (int)sizeof(ObjCCategoryImplDecl),
- int(nObjCCategoryImpl*sizeof(ObjCCategoryImplDecl)));
-
- fprintf(stderr, " %d compatibility alias decls, %d each (%d bytes)\n",
- nObjCCompatibleAlias, (int)sizeof(ObjCCompatibleAliasDecl),
- int(nObjCCompatibleAlias*sizeof(ObjCCompatibleAliasDecl)));
-
- fprintf(stderr, " %d property decls, %d each (%d bytes)\n",
- nObjCPropertyDecl, (int)sizeof(ObjCPropertyDecl),
- int(nObjCPropertyDecl*sizeof(ObjCPropertyDecl)));
-
- fprintf(stderr, " %d property implementation decls, %d each (%d bytes)\n",
- nObjCPropertyImplDecl, (int)sizeof(ObjCPropertyImplDecl),
- int(nObjCPropertyImplDecl*sizeof(ObjCPropertyImplDecl)));
-
- fprintf(stderr, "Total bytes = %d\n",
- int(nFuncs*sizeof(FunctionDecl)+
- nVars*sizeof(VarDecl)+nParmVars*sizeof(ParmVarDecl)+
- nFieldDecls*sizeof(FieldDecl)+nSUC*sizeof(RecordDecl)+
- nEnumDecls*sizeof(EnumDecl)+nEnumConst*sizeof(EnumConstantDecl)+
- nTypedef*sizeof(TypedefDecl)+
- nInterfaceDecls*sizeof(ObjCInterfaceDecl)+
- nIvarDecls*sizeof(ObjCIvarDecl)+
- nClassDecls*sizeof(ObjCClassDecl)+
- nMethodDecls*sizeof(ObjCMethodDecl)+
- nProtocolDecls*sizeof(ObjCProtocolDecl)+
- nForwardProtocolDecls*sizeof(ObjCForwardProtocolDecl)+
- nCategoryDecls*sizeof(ObjCCategoryDecl)+
- nObjCImplementationDecls*sizeof(ObjCImplementationDecl)+
- nObjCCategoryImpl*sizeof(ObjCCategoryImplDecl)+
- nObjCCompatibleAlias*sizeof(ObjCCompatibleAliasDecl)+
- nObjCPropertyDecl*sizeof(ObjCPropertyDecl)+
- nObjCPropertyImplDecl*sizeof(ObjCPropertyImplDecl)+
- nLinkageSpecDecl*sizeof(LinkageSpecDecl)+
- nFileScopeAsmDecl*sizeof(FileScopeAsmDecl)+
- nNamespaces*sizeof(NamespaceDecl)));
-
-}
-
-void Decl::addDeclKind(Kind k) {
- switch (k) {
- case Namespace: nNamespaces++; break;
- case Typedef: nTypedef++; break;
- case Function: nFuncs++; break;
- case Var: nVars++; break;
- case ParmVar: nParmVars++; break;
- case EnumConstant: nEnumConst++; break;
- case Field: nFieldDecls++; break;
- case Struct: case Union: case Class: nSUC++; break;
- case Enum: nEnumDecls++; break;
- case ObjCInterface: nInterfaceDecls++; break;
- case ObjCClass: nClassDecls++; break;
- case ObjCMethod: nMethodDecls++; break;
- case ObjCProtocol: nProtocolDecls++; break;
- case ObjCForwardProtocol: nForwardProtocolDecls++; break;
- case ObjCCategory: nCategoryDecls++; break;
- case ObjCIvar: nIvarDecls++; break;
- case ObjCImplementation: nObjCImplementationDecls++; break;
- case ObjCCategoryImpl: nObjCCategoryImpl++; break;
- case ObjCCompatibleAlias: nObjCCompatibleAlias++; break;
- case ObjCProperty: nObjCPropertyDecl++; break;
- case ObjCPropertyImpl: nObjCPropertyImplDecl++; break;
- case LinkageSpec: nLinkageSpecDecl++; break;
- case FileScopeAsm: nFileScopeAsmDecl++; break;
- case TranslationUnit: break;
- }
-}
-
-//===----------------------------------------------------------------------===//
// Decl Allocation/Deallocation Method Implementations
//===----------------------------------------------------------------------===//
@@ -325,121 +129,6 @@
}
//===----------------------------------------------------------------------===//
-// Decl Implementation
-//===----------------------------------------------------------------------===//
-
-// Out-of-line virtual method providing a home for Decl.
-Decl::~Decl() {
- if (!HasAttrs)
- return;
-
- DeclAttrMapTy::iterator it = DeclAttrs->find(this);
- assert(it != DeclAttrs->end() && "No attrs found but HasAttrs is true!");
-
- // release attributes.
- delete it->second;
- invalidateAttrs();
-}
-
-void Decl::addAttr(Attr *NewAttr) {
- if (!DeclAttrs)
- DeclAttrs = new DeclAttrMapTy();
-
- Attr *&ExistingAttr = (*DeclAttrs)[this];
-
- NewAttr->setNext(ExistingAttr);
- ExistingAttr = NewAttr;
-
- HasAttrs = true;
-}
-
-void Decl::invalidateAttrs() {
- if (!HasAttrs) return;
-
- HasAttrs = false;
- (*DeclAttrs)[this] = 0;
- DeclAttrs->erase(this);
-
- if (DeclAttrs->empty()) {
- delete DeclAttrs;
- DeclAttrs = 0;
- }
-}
-
-const Attr *Decl::getAttrs() const {
- if (!HasAttrs)
- return 0;
-
- return (*DeclAttrs)[this];
-}
-
-void Decl::swapAttrs(Decl *RHS) {
- bool HasLHSAttr = this->HasAttrs;
- bool HasRHSAttr = RHS->HasAttrs;
-
- // Usually, neither decl has attrs, nothing to do.
- if (!HasLHSAttr && !HasRHSAttr) return;
-
- // If 'this' has no attrs, swap the other way.
- if (!HasLHSAttr)
- return RHS->swapAttrs(this);
-
- // Handle the case when both decls have attrs.
- if (HasRHSAttr) {
- std::swap((*DeclAttrs)[this], (*DeclAttrs)[RHS]);
- return;
- }
-
- // Otherwise, LHS has an attr and RHS doesn't.
- (*DeclAttrs)[RHS] = (*DeclAttrs)[this];
- (*DeclAttrs).erase(this);
- this->HasAttrs = false;
- RHS->HasAttrs = true;
-}
-
-
-void Decl::Destroy(ASTContext& C) {
-
- if (ScopedDecl* SD = dyn_cast<ScopedDecl>(this)) {
-
- // Observe the unrolled recursion. By setting N->NextDeclarator = 0x0
- // within the loop, only the Destroy method for the first ScopedDecl
- // will deallocate all of the ScopedDecls in a chain.
-
- ScopedDecl* N = SD->getNextDeclarator();
-
- while (N) {
- ScopedDecl* Tmp = N->getNextDeclarator();
- N->NextDeclarator = 0x0;
- N->Destroy(C);
- N = Tmp;
- }
- }
-
- this->~Decl();
- C.getAllocator().Deallocate((void *)this);
-}
-
-//===----------------------------------------------------------------------===//
-// DeclContext Implementation
-//===----------------------------------------------------------------------===//
-
-DeclContext *DeclContext::getParent() const {
- if (ScopedDecl *SD = dyn_cast<ScopedDecl>(this))
- return SD->getDeclContext();
- else
- return NULL;
-}
-
-Decl *DeclContext::ToDecl (const DeclContext *D) {
- return CastTo<Decl>(D);
-}
-
-DeclContext *DeclContext::FromDecl (const Decl *D) {
- return CastTo<DeclContext>(D);
-}
-
-//===----------------------------------------------------------------------===//
// NamedDecl Implementation
//===----------------------------------------------------------------------===//
Added: cfe/trunk/lib/AST/DeclBase.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/DeclBase.cpp?rev=51936&view=auto
==============================================================================
--- cfe/trunk/lib/AST/DeclBase.cpp (added)
+++ cfe/trunk/lib/AST/DeclBase.cpp Wed Jun 4 08:04:04 2008
@@ -0,0 +1,325 @@
+//===--- DeclBase.cpp - Declaration AST Node Implementation ---------------===//
+//
+// 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 Decl and DeclContext classes.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/AST/DeclBase.h"
+#include "clang/AST/ASTContext.h"
+#include "llvm/ADT/DenseMap.h"
+using namespace clang;
+
+//===----------------------------------------------------------------------===//
+// Statistics
+//===----------------------------------------------------------------------===//
+
+// temporary statistics gathering
+static unsigned nFuncs = 0;
+static unsigned nVars = 0;
+static unsigned nParmVars = 0;
+static unsigned nSUC = 0;
+static unsigned nEnumConst = 0;
+static unsigned nEnumDecls = 0;
+static unsigned nNamespaces = 0;
+static unsigned nTypedef = 0;
+static unsigned nFieldDecls = 0;
+static unsigned nInterfaceDecls = 0;
+static unsigned nClassDecls = 0;
+static unsigned nMethodDecls = 0;
+static unsigned nProtocolDecls = 0;
+static unsigned nForwardProtocolDecls = 0;
+static unsigned nCategoryDecls = 0;
+static unsigned nIvarDecls = 0;
+static unsigned nObjCImplementationDecls = 0;
+static unsigned nObjCCategoryImpl = 0;
+static unsigned nObjCCompatibleAlias = 0;
+static unsigned nObjCPropertyDecl = 0;
+static unsigned nObjCPropertyImplDecl = 0;
+static unsigned nLinkageSpecDecl = 0;
+static unsigned nFileScopeAsmDecl = 0;
+
+static bool StatSwitch = false;
+
+// This keeps track of all decl attributes. Since so few decls have attrs, we
+// keep them in a hash map instead of wasting space in the Decl class.
+typedef llvm::DenseMap<const Decl*, Attr*> DeclAttrMapTy;
+
+static DeclAttrMapTy *DeclAttrs = 0;
+
+const char *Decl::getDeclKindName() const {
+ switch (DeclKind) {
+ default: assert(0 && "Unknown decl kind!");
+ case Namespace: return "Namespace";
+ case Typedef: return "Typedef";
+ case Function: return "Function";
+ case Var: return "Var";
+ case ParmVar: return "ParmVar";
+ case EnumConstant: return "EnumConstant";
+ case ObjCIvar: return "ObjCIvar";
+ case ObjCInterface: return "ObjCInterface";
+ case ObjCClass: return "ObjCClass";
+ case ObjCMethod: return "ObjCMethod";
+ case ObjCProtocol: return "ObjCProtocol";
+ case ObjCForwardProtocol: return "ObjCForwardProtocol";
+ case Struct: return "Struct";
+ case Union: return "Union";
+ case Class: return "Class";
+ case Enum: return "Enum";
+ }
+}
+
+bool Decl::CollectingStats(bool Enable) {
+ if (Enable)
+ StatSwitch = true;
+ return StatSwitch;
+}
+
+void Decl::PrintStats() {
+ fprintf(stderr, "*** Decl Stats:\n");
+ fprintf(stderr, " %d decls total.\n",
+ int(nFuncs+nVars+nParmVars+nFieldDecls+nSUC+
+ nEnumDecls+nEnumConst+nTypedef+nInterfaceDecls+nClassDecls+
+ nMethodDecls+nProtocolDecls+nCategoryDecls+nIvarDecls+
+ nNamespaces));
+ fprintf(stderr, " %d namespace decls, %d each (%d bytes)\n",
+ nNamespaces, (int)sizeof(NamespaceDecl),
+ int(nNamespaces*sizeof(NamespaceDecl)));
+ fprintf(stderr, " %d function decls, %d each (%d bytes)\n",
+ nFuncs, (int)sizeof(FunctionDecl), int(nFuncs*sizeof(FunctionDecl)));
+ fprintf(stderr, " %d variable decls, %d each (%d bytes)\n",
+ nVars, (int)sizeof(VarDecl),
+ int(nVars*sizeof(VarDecl)));
+ fprintf(stderr, " %d parameter variable decls, %d each (%d bytes)\n",
+ nParmVars, (int)sizeof(ParmVarDecl),
+ int(nParmVars*sizeof(ParmVarDecl)));
+ fprintf(stderr, " %d field decls, %d each (%d bytes)\n",
+ nFieldDecls, (int)sizeof(FieldDecl),
+ int(nFieldDecls*sizeof(FieldDecl)));
+ fprintf(stderr, " %d struct/union/class decls, %d each (%d bytes)\n",
+ nSUC, (int)sizeof(RecordDecl),
+ int(nSUC*sizeof(RecordDecl)));
+ fprintf(stderr, " %d enum decls, %d each (%d bytes)\n",
+ nEnumDecls, (int)sizeof(EnumDecl),
+ int(nEnumDecls*sizeof(EnumDecl)));
+ fprintf(stderr, " %d enum constant decls, %d each (%d bytes)\n",
+ nEnumConst, (int)sizeof(EnumConstantDecl),
+ int(nEnumConst*sizeof(EnumConstantDecl)));
+ fprintf(stderr, " %d typedef decls, %d each (%d bytes)\n",
+ nTypedef, (int)sizeof(TypedefDecl),int(nTypedef*sizeof(TypedefDecl)));
+ // Objective-C decls...
+ fprintf(stderr, " %d interface decls, %d each (%d bytes)\n",
+ nInterfaceDecls, (int)sizeof(ObjCInterfaceDecl),
+ int(nInterfaceDecls*sizeof(ObjCInterfaceDecl)));
+ fprintf(stderr, " %d instance variable decls, %d each (%d bytes)\n",
+ nIvarDecls, (int)sizeof(ObjCIvarDecl),
+ int(nIvarDecls*sizeof(ObjCIvarDecl)));
+ fprintf(stderr, " %d class decls, %d each (%d bytes)\n",
+ nClassDecls, (int)sizeof(ObjCClassDecl),
+ int(nClassDecls*sizeof(ObjCClassDecl)));
+ fprintf(stderr, " %d method decls, %d each (%d bytes)\n",
+ nMethodDecls, (int)sizeof(ObjCMethodDecl),
+ int(nMethodDecls*sizeof(ObjCMethodDecl)));
+ fprintf(stderr, " %d protocol decls, %d each (%d bytes)\n",
+ nProtocolDecls, (int)sizeof(ObjCProtocolDecl),
+ int(nProtocolDecls*sizeof(ObjCProtocolDecl)));
+ fprintf(stderr, " %d forward protocol decls, %d each (%d bytes)\n",
+ nForwardProtocolDecls, (int)sizeof(ObjCForwardProtocolDecl),
+ int(nForwardProtocolDecls*sizeof(ObjCForwardProtocolDecl)));
+ fprintf(stderr, " %d category decls, %d each (%d bytes)\n",
+ nCategoryDecls, (int)sizeof(ObjCCategoryDecl),
+ int(nCategoryDecls*sizeof(ObjCCategoryDecl)));
+
+ fprintf(stderr, " %d class implementation decls, %d each (%d bytes)\n",
+ nObjCImplementationDecls, (int)sizeof(ObjCImplementationDecl),
+ int(nObjCImplementationDecls*sizeof(ObjCImplementationDecl)));
+
+ fprintf(stderr, " %d class implementation decls, %d each (%d bytes)\n",
+ nObjCCategoryImpl, (int)sizeof(ObjCCategoryImplDecl),
+ int(nObjCCategoryImpl*sizeof(ObjCCategoryImplDecl)));
+
+ fprintf(stderr, " %d compatibility alias decls, %d each (%d bytes)\n",
+ nObjCCompatibleAlias, (int)sizeof(ObjCCompatibleAliasDecl),
+ int(nObjCCompatibleAlias*sizeof(ObjCCompatibleAliasDecl)));
+
+ fprintf(stderr, " %d property decls, %d each (%d bytes)\n",
+ nObjCPropertyDecl, (int)sizeof(ObjCPropertyDecl),
+ int(nObjCPropertyDecl*sizeof(ObjCPropertyDecl)));
+
+ fprintf(stderr, " %d property implementation decls, %d each (%d bytes)\n",
+ nObjCPropertyImplDecl, (int)sizeof(ObjCPropertyImplDecl),
+ int(nObjCPropertyImplDecl*sizeof(ObjCPropertyImplDecl)));
+
+ fprintf(stderr, "Total bytes = %d\n",
+ int(nFuncs*sizeof(FunctionDecl)+
+ nVars*sizeof(VarDecl)+nParmVars*sizeof(ParmVarDecl)+
+ nFieldDecls*sizeof(FieldDecl)+nSUC*sizeof(RecordDecl)+
+ nEnumDecls*sizeof(EnumDecl)+nEnumConst*sizeof(EnumConstantDecl)+
+ nTypedef*sizeof(TypedefDecl)+
+ nInterfaceDecls*sizeof(ObjCInterfaceDecl)+
+ nIvarDecls*sizeof(ObjCIvarDecl)+
+ nClassDecls*sizeof(ObjCClassDecl)+
+ nMethodDecls*sizeof(ObjCMethodDecl)+
+ nProtocolDecls*sizeof(ObjCProtocolDecl)+
+ nForwardProtocolDecls*sizeof(ObjCForwardProtocolDecl)+
+ nCategoryDecls*sizeof(ObjCCategoryDecl)+
+ nObjCImplementationDecls*sizeof(ObjCImplementationDecl)+
+ nObjCCategoryImpl*sizeof(ObjCCategoryImplDecl)+
+ nObjCCompatibleAlias*sizeof(ObjCCompatibleAliasDecl)+
+ nObjCPropertyDecl*sizeof(ObjCPropertyDecl)+
+ nObjCPropertyImplDecl*sizeof(ObjCPropertyImplDecl)+
+ nLinkageSpecDecl*sizeof(LinkageSpecDecl)+
+ nFileScopeAsmDecl*sizeof(FileScopeAsmDecl)+
+ nNamespaces*sizeof(NamespaceDecl)));
+
+}
+
+void Decl::addDeclKind(Kind k) {
+ switch (k) {
+ case Namespace: nNamespaces++; break;
+ case Typedef: nTypedef++; break;
+ case Function: nFuncs++; break;
+ case Var: nVars++; break;
+ case ParmVar: nParmVars++; break;
+ case EnumConstant: nEnumConst++; break;
+ case Field: nFieldDecls++; break;
+ case Struct: case Union: case Class: nSUC++; break;
+ case Enum: nEnumDecls++; break;
+ case ObjCInterface: nInterfaceDecls++; break;
+ case ObjCClass: nClassDecls++; break;
+ case ObjCMethod: nMethodDecls++; break;
+ case ObjCProtocol: nProtocolDecls++; break;
+ case ObjCForwardProtocol: nForwardProtocolDecls++; break;
+ case ObjCCategory: nCategoryDecls++; break;
+ case ObjCIvar: nIvarDecls++; break;
+ case ObjCImplementation: nObjCImplementationDecls++; break;
+ case ObjCCategoryImpl: nObjCCategoryImpl++; break;
+ case ObjCCompatibleAlias: nObjCCompatibleAlias++; break;
+ case ObjCProperty: nObjCPropertyDecl++; break;
+ case ObjCPropertyImpl: nObjCPropertyImplDecl++; break;
+ case LinkageSpec: nLinkageSpecDecl++; break;
+ case FileScopeAsm: nFileScopeAsmDecl++; break;
+ case TranslationUnit: break;
+ }
+}
+
+//===----------------------------------------------------------------------===//
+// Decl Implementation
+//===----------------------------------------------------------------------===//
+
+// Out-of-line virtual method providing a home for Decl.
+Decl::~Decl() {
+ if (!HasAttrs)
+ return;
+
+ DeclAttrMapTy::iterator it = DeclAttrs->find(this);
+ assert(it != DeclAttrs->end() && "No attrs found but HasAttrs is true!");
+
+ // release attributes.
+ delete it->second;
+ invalidateAttrs();
+}
+
+void Decl::addAttr(Attr *NewAttr) {
+ if (!DeclAttrs)
+ DeclAttrs = new DeclAttrMapTy();
+
+ Attr *&ExistingAttr = (*DeclAttrs)[this];
+
+ NewAttr->setNext(ExistingAttr);
+ ExistingAttr = NewAttr;
+
+ HasAttrs = true;
+}
+
+void Decl::invalidateAttrs() {
+ if (!HasAttrs) return;
+
+ HasAttrs = false;
+ (*DeclAttrs)[this] = 0;
+ DeclAttrs->erase(this);
+
+ if (DeclAttrs->empty()) {
+ delete DeclAttrs;
+ DeclAttrs = 0;
+ }
+}
+
+const Attr *Decl::getAttrs() const {
+ if (!HasAttrs)
+ return 0;
+
+ return (*DeclAttrs)[this];
+}
+
+void Decl::swapAttrs(Decl *RHS) {
+ bool HasLHSAttr = this->HasAttrs;
+ bool HasRHSAttr = RHS->HasAttrs;
+
+ // Usually, neither decl has attrs, nothing to do.
+ if (!HasLHSAttr && !HasRHSAttr) return;
+
+ // If 'this' has no attrs, swap the other way.
+ if (!HasLHSAttr)
+ return RHS->swapAttrs(this);
+
+ // Handle the case when both decls have attrs.
+ if (HasRHSAttr) {
+ std::swap((*DeclAttrs)[this], (*DeclAttrs)[RHS]);
+ return;
+ }
+
+ // Otherwise, LHS has an attr and RHS doesn't.
+ (*DeclAttrs)[RHS] = (*DeclAttrs)[this];
+ (*DeclAttrs).erase(this);
+ this->HasAttrs = false;
+ RHS->HasAttrs = true;
+}
+
+
+void Decl::Destroy(ASTContext& C) {
+
+ if (ScopedDecl* SD = dyn_cast<ScopedDecl>(this)) {
+
+ // Observe the unrolled recursion. By setting N->NextDeclarator = 0x0
+ // within the loop, only the Destroy method for the first ScopedDecl
+ // will deallocate all of the ScopedDecls in a chain.
+
+ ScopedDecl* N = SD->getNextDeclarator();
+
+ while (N) {
+ ScopedDecl* Tmp = N->getNextDeclarator();
+ N->NextDeclarator = 0x0;
+ N->Destroy(C);
+ N = Tmp;
+ }
+ }
+
+ this->~Decl();
+ C.getAllocator().Deallocate((void *)this);
+}
+
+//===----------------------------------------------------------------------===//
+// DeclContext Implementation
+//===----------------------------------------------------------------------===//
+
+DeclContext *DeclContext::getParent() const {
+ if (ScopedDecl *SD = dyn_cast<ScopedDecl>(this))
+ return SD->getDeclContext();
+ else
+ return NULL;
+}
+
+Decl *DeclContext::ToDecl (const DeclContext *D) {
+ return CastTo<Decl>(D);
+}
+
+DeclContext *DeclContext::FromDecl (const Decl *D) {
+ return CastTo<DeclContext>(D);
+}
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