forked from OSchip/llvm-project
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
//=== SelectorExtras.h - Helpers for checkers using selectors -----*- C++ -*-=//
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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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#ifndef LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_SELECTOREXTRAS_H
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#define LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_SELECTOREXTRAS_H
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#include "clang/AST/ASTContext.h"
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#include <cstdarg>
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namespace clang {
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namespace ento {
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static inline Selector getKeywordSelectorImpl(ASTContext &Ctx,
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const char *First,
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va_list argp) {
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SmallVector<IdentifierInfo*, 10> II;
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II.push_back(&Ctx.Idents.get(First));
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while (const char *s = va_arg(argp, const char *))
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II.push_back(&Ctx.Idents.get(s));
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return Ctx.Selectors.getSelector(II.size(), &II[0]);
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}
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static inline Selector getKeywordSelector(ASTContext &Ctx, va_list argp) {
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const char *First = va_arg(argp, const char *);
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assert(First && "keyword selectors must have at least one argument");
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return getKeywordSelectorImpl(Ctx, First, argp);
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}
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LLVM_END_WITH_NULL
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static inline Selector getKeywordSelector(ASTContext &Ctx,
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const char *First, ...) {
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va_list argp;
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va_start(argp, First);
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Selector result = getKeywordSelectorImpl(Ctx, First, argp);
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va_end(argp);
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return result;
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}
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LLVM_END_WITH_NULL
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static inline void lazyInitKeywordSelector(Selector &Sel, ASTContext &Ctx,
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const char *First, ...) {
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if (!Sel.isNull())
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return;
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va_list argp;
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va_start(argp, First);
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Sel = getKeywordSelectorImpl(Ctx, First, argp);
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va_end(argp);
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}
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static inline void lazyInitNullarySelector(Selector &Sel, ASTContext &Ctx,
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const char *Name) {
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if (!Sel.isNull())
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return;
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Sel = GetNullarySelector(Name, Ctx);
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}
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} // end namespace ento
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} // end namespace clang
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#endif
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