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//=== SelectorExtras.h - Helpers for checkers using selectors -----*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_SELECTOREXTRAS_H
#define LLVM_CLANG_LIB_STATICANALYZER_CHECKERS_SELECTOREXTRAS_H
#include "clang/AST/ASTContext.h"
#include <cstdarg>
namespace clang {
namespace ento {
static inline Selector getKeywordSelectorImpl(ASTContext &Ctx,
const char *First,
va_list argp) {
SmallVector<IdentifierInfo*, 10> II;
II.push_back(&Ctx.Idents.get(First));
while (const char *s = va_arg(argp, const char *))
II.push_back(&Ctx.Idents.get(s));
return Ctx.Selectors.getSelector(II.size(), &II[0]);
}
static inline Selector getKeywordSelector(ASTContext &Ctx, va_list argp) {
const char *First = va_arg(argp, const char *);
assert(First && "keyword selectors must have at least one argument");
return getKeywordSelectorImpl(Ctx, First, argp);
}
LLVM_END_WITH_NULL
static inline Selector getKeywordSelector(ASTContext &Ctx,
const char *First, ...) {
va_list argp;
va_start(argp, First);
Selector result = getKeywordSelectorImpl(Ctx, First, argp);
va_end(argp);
return result;
}
LLVM_END_WITH_NULL
static inline void lazyInitKeywordSelector(Selector &Sel, ASTContext &Ctx,
const char *First, ...) {
if (!Sel.isNull())
return;
va_list argp;
va_start(argp, First);
Sel = getKeywordSelectorImpl(Ctx, First, argp);
va_end(argp);
}
static inline void lazyInitNullarySelector(Selector &Sel, ASTContext &Ctx,
const char *Name) {
if (!Sel.isNull())
return;
Sel = GetNullarySelector(Name, Ctx);
}
} // end namespace ento
} // end namespace clang
#endif