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//===-- GlobalSelector.cpp - Cross-translation-unit "token" for selectors -===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// GlobalSelector is a ASTContext-independent way to refer to selectors.
//
//===----------------------------------------------------------------------===//
#include "clang/Index/GlobalSelector.h"
#include "ProgramImpl.h"
#include "clang/Index/Program.h"
#include "clang/AST/ASTContext.h"
using namespace clang;
using namespace idx;
/// \brief Get the ASTContext-specific selector.
Selector GlobalSelector::getSelector(ASTContext &AST) const {
if (isInvalid())
return Selector();
Selector GlobSel = Selector(reinterpret_cast<uintptr_t>(Val));
llvm::SmallVector<IdentifierInfo *, 8> Ids;
for (unsigned i = 0, e = GlobSel.isUnarySelector() ? 1 : GlobSel.getNumArgs();
i != e; ++i) {
IdentifierInfo *GlobII = GlobSel.getIdentifierInfoForSlot(i);
IdentifierInfo *II =
&AST.Idents.get(GlobII->getNameStart(),
GlobII->getNameStart() + GlobII->getLength());
Ids.push_back(II);
}
return AST.Selectors.getSelector(GlobSel.getNumArgs(), Ids.data());
}
/// \brief Get a printable name for debugging purpose.
std::string GlobalSelector::getPrintableName() const {
if (isInvalid())
return "<< Invalid >>";
Selector GlobSel = Selector(reinterpret_cast<uintptr_t>(Val));
return GlobSel.getAsString();
}
/// \brief Get a GlobalSelector for the ASTContext-specific selector.
GlobalSelector GlobalSelector::get(Selector Sel, Program &Prog) {
if (Sel.isNull())
return GlobalSelector();
ProgramImpl &ProgImpl = *static_cast<ProgramImpl*>(Prog.Impl);
llvm::SmallVector<IdentifierInfo *, 8> Ids;
for (unsigned i = 0, e = Sel.isUnarySelector() ? 1 : Sel.getNumArgs();
i != e; ++i) {
IdentifierInfo *II = Sel.getIdentifierInfoForSlot(i);
IdentifierInfo *GlobII =
&ProgImpl.getIdents().get(II->getNameStart(),
II->getNameStart() + II->getLength());
Ids.push_back(GlobII);
}
Selector GlobSel = ProgImpl.getSelectors().getSelector(Sel.getNumArgs(),
Ids.data());
return GlobalSelector(GlobSel.getAsOpaquePtr());
}
unsigned
llvm::DenseMapInfo<GlobalSelector>::getHashValue(GlobalSelector Sel) {
return DenseMapInfo<void*>::getHashValue(Sel.getAsOpaquePtr());
}
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