Coverage Report

Created: 2024-01-17 10:31

/src/llvm-project/clang/lib/AST/SelectorLocationsKind.cpp
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//===--- SelectorLocationsKind.cpp - Kind of selector locations -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Describes whether the identifier locations for a selector are "standard"
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// or not.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/AST/SelectorLocationsKind.h"
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#include "clang/AST/Expr.h"
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using namespace clang;
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static SourceLocation getStandardSelLoc(unsigned Index,
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                                        Selector Sel,
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                                        bool WithArgSpace,
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                                        SourceLocation ArgLoc,
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                                        SourceLocation EndLoc) {
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  unsigned NumSelArgs = Sel.getNumArgs();
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  if (NumSelArgs == 0) {
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    assert(Index == 0);
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    if (EndLoc.isInvalid())
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      return SourceLocation();
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    IdentifierInfo *II = Sel.getIdentifierInfoForSlot(0);
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    unsigned Len = II ? II->getLength() : 0;
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    return EndLoc.getLocWithOffset(-Len);
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  }
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  assert(Index < NumSelArgs);
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  if (ArgLoc.isInvalid())
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    return SourceLocation();
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  IdentifierInfo *II = Sel.getIdentifierInfoForSlot(Index);
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  unsigned Len = /* selector id */ (II ? II->getLength() : 0) + /* ':' */ 1;
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  if (WithArgSpace)
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    ++Len;
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  return ArgLoc.getLocWithOffset(-Len);
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}
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namespace {
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template <typename T>
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SourceLocation getArgLoc(T* Arg);
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template <>
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SourceLocation getArgLoc<Expr>(Expr *Arg) {
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  return Arg->getBeginLoc();
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}
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template <>
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SourceLocation getArgLoc<ParmVarDecl>(ParmVarDecl *Arg) {
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  SourceLocation Loc = Arg->getBeginLoc();
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  if (Loc.isInvalid())
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    return Loc;
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  // -1 to point to left paren of the method parameter's type.
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  return Loc.getLocWithOffset(-1);
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}
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template <typename T>
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SourceLocation getArgLoc(unsigned Index, ArrayRef<T*> Args) {
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  return Index < Args.size() ? getArgLoc(Args[Index]) : SourceLocation();
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}
Unexecuted instantiation: SelectorLocationsKind.cpp:clang::SourceLocation (anonymous namespace)::getArgLoc<clang::Expr>(unsigned int, llvm::ArrayRef<clang::Expr*>)
Unexecuted instantiation: SelectorLocationsKind.cpp:clang::SourceLocation (anonymous namespace)::getArgLoc<clang::ParmVarDecl>(unsigned int, llvm::ArrayRef<clang::ParmVarDecl*>)
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template <typename T>
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SelectorLocationsKind hasStandardSelLocs(Selector Sel,
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                                         ArrayRef<SourceLocation> SelLocs,
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                                         ArrayRef<T *> Args,
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                                         SourceLocation EndLoc) {
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  // Are selector locations in standard position with no space between args ?
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  unsigned i;
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  for (i = 0; i != SelLocs.size(); ++i) {
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    if (SelLocs[i] != getStandardSelectorLoc(i, Sel, /*WithArgSpace=*/false,
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                                             Args, EndLoc))
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      break;
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  }
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  if (i == SelLocs.size())
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    return SelLoc_StandardNoSpace;
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  // Are selector locations in standard position with space between args ?
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  for (i = 0; i != SelLocs.size(); ++i) {
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    if (SelLocs[i] != getStandardSelectorLoc(i, Sel, /*WithArgSpace=*/true,
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                                             Args, EndLoc))
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      return SelLoc_NonStandard;
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  }
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  return SelLoc_StandardWithSpace;
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}
Unexecuted instantiation: SelectorLocationsKind.cpp:clang::SelectorLocationsKind (anonymous namespace)::hasStandardSelLocs<clang::Expr>(clang::Selector, llvm::ArrayRef<clang::SourceLocation>, llvm::ArrayRef<clang::Expr*>, clang::SourceLocation)
Unexecuted instantiation: SelectorLocationsKind.cpp:clang::SelectorLocationsKind (anonymous namespace)::hasStandardSelLocs<clang::ParmVarDecl>(clang::Selector, llvm::ArrayRef<clang::SourceLocation>, llvm::ArrayRef<clang::ParmVarDecl*>, clang::SourceLocation)
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} // anonymous namespace
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SelectorLocationsKind
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clang::hasStandardSelectorLocs(Selector Sel,
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                               ArrayRef<SourceLocation> SelLocs,
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                               ArrayRef<Expr *> Args,
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                               SourceLocation EndLoc) {
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  return hasStandardSelLocs(Sel, SelLocs, Args, EndLoc);
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}
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SourceLocation clang::getStandardSelectorLoc(unsigned Index,
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                                             Selector Sel,
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                                             bool WithArgSpace,
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                                             ArrayRef<Expr *> Args,
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                                             SourceLocation EndLoc) {
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  return getStandardSelLoc(Index, Sel, WithArgSpace,
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                           getArgLoc(Index, Args), EndLoc);
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}
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SelectorLocationsKind
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clang::hasStandardSelectorLocs(Selector Sel,
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                               ArrayRef<SourceLocation> SelLocs,
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                               ArrayRef<ParmVarDecl *> Args,
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                               SourceLocation EndLoc) {
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  return hasStandardSelLocs(Sel, SelLocs, Args, EndLoc);
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}
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SourceLocation clang::getStandardSelectorLoc(unsigned Index,
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                                             Selector Sel,
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                                             bool WithArgSpace,
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                                             ArrayRef<ParmVarDecl *> Args,
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                                             SourceLocation EndLoc) {
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  return getStandardSelLoc(Index, Sel, WithArgSpace,
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                           getArgLoc(Index, Args), EndLoc);
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}