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