path: root/lib/AST/DeclBase.cpp

//===--- 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/Decl.h"
#include "clang/AST/DeclContextInternals.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclFriend.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/DependentDiagnostic.h"
#include "clang/AST/ExternalASTSource.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Type.h"
#include "clang/AST/Stmt.h"
#include "clang/AST/StmtCXX.h"
#include "clang/AST/ASTMutationListener.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cstdio>
#include <vector>
using namespace clang;

//===----------------------------------------------------------------------===//
//  Statistics
//===----------------------------------------------------------------------===//

#define DECL(DERIVED, BASE) static int n##DERIVED##s = 0;
#define ABSTRACT_DECL(DECL)
#include "clang/AST/DeclNodes.inc"

static bool StatSwitch = false;

namespace {
  template<typename Class>
  inline SourceRange getSourceRangeImpl(const Decl *D, 
                                        SourceRange (Class::*)() const) {
    return static_cast<const Class *>(D)->getSourceRange();
  }

  inline SourceRange getSourceRangeImpl(const Decl *D, 
                                        SourceRange (Decl::*)() const) {
    return D->getLocation();
  }
}

SourceRange Decl::getSourceRange() const {
  switch (getKind()) {
#define ABSTRACT_DECL(Type)
#define DECL(Type, Base) \
  case Type: return getSourceRangeImpl(this, &Type##Decl::getSourceRange);
#include "clang/AST/DeclNodes.inc"
  }
  
  return getLocation();
}

const char *Decl::getDeclKindName() const {
  switch (DeclKind) {
  default: assert(0 && "Declaration not in DeclNodes.inc!");
#define DECL(DERIVED, BASE) case DERIVED: return #DERIVED;
#define ABSTRACT_DECL(DECL)
#include "clang/AST/DeclNodes.inc"
  }
}

void Decl::setInvalidDecl(bool Invalid) {
  InvalidDecl = Invalid;
  if (Invalid) {
    // Defensive maneuver for ill-formed code: we're likely not to make it to
    // a point where we set the access specifier, so default it to "public"
    // to avoid triggering asserts elsewhere in the front end. 
    setAccess(AS_public);
  }
}

const char *DeclContext::getDeclKindName() const {
  switch (DeclKind) {
  default: assert(0 && "Declaration context not in DeclNodes.inc!");
#define DECL(DERIVED, BASE) case Decl::DERIVED: return #DERIVED;
#define ABSTRACT_DECL(DECL)
#include "clang/AST/DeclNodes.inc"
  }
}

bool Decl::CollectingStats(bool Enable) {
  if (Enable) StatSwitch = true;
  return StatSwitch;
}

void Decl::PrintStats() {
  fprintf(stderr, "*** Decl Stats:\n");

  int totalDecls = 0;
#define DECL(DERIVED, BASE) totalDecls += n##DERIVED##s;
#define ABSTRACT_DECL(DECL)
#include "clang/AST/DeclNodes.inc"
  fprintf(stderr, "  %d decls total.\n", totalDecls);

  int totalBytes = 0;
#define DECL(DERIVED, BASE)                                             \
  if (n##DERIVED##s > 0) {                                              \
    totalBytes += (int)(n##DERIVED##s * sizeof(DERI