зеркало из https://github.com/microsoft/clang-1.git
Refactor the transformation of template argument lists to centralize
the list traversal. Part 1, no functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122252 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -295,6 +295,24 @@ public:
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bool TransformTemplateArgument(const TemplateArgumentLoc &Input,
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TemplateArgumentLoc &Output);
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/// \brief Transform the given set of template arguments.
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///
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/// By default, this operation transforms all of the template arguments
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/// in the input set using \c TransformTemplateArgument(), and appends
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/// the transformed arguments to the output list.
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///
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/// \param Inputs The set of template arguments to be transformed.
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///
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/// \param NumInputs The number of template arguments in \p Inputs.
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///
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/// \param Outputs The set of transformed template arguments output by this
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/// routine.
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///
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/// Returns true if an error occurred.
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bool TransformTemplateArguments(const TemplateArgumentLoc *Inputs,
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unsigned NumInputs,
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TemplateArgumentListInfo &Outputs);
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/// \brief Fakes up a TemplateArgumentLoc for a given TemplateArgument.
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void InventTemplateArgumentLoc(const TemplateArgument &Arg,
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TemplateArgumentLoc &ArgLoc);
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@ -2398,6 +2416,22 @@ bool TreeTransform<Derived>::TransformTemplateArgument(
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return true;
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}
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template<typename Derived>
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bool TreeTransform<Derived>::TransformTemplateArguments(
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const TemplateArgumentLoc *Inputs,
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unsigned NumInputs,
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TemplateArgumentListInfo &Outputs) {
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for (unsigned I = 0; I != NumInputs; ++I) {
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TemplateArgumentLoc Out;
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if (getDerived().TransformTemplateArgument(Inputs[I], Out))
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return true;
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Outputs.addArgument(Out);
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}
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return false;
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}
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//===----------------------------------------------------------------------===//
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// Type transformation
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//===----------------------------------------------------------------------===//
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@ -4336,12 +4370,10 @@ TreeTransform<Derived>::TransformDeclRefExpr(DeclRefExpr *E) {
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TemplateArgs = &TransArgs;
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TransArgs.setLAngleLoc(E->getLAngleLoc());
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TransArgs.setRAngleLoc(E->getRAngleLoc());
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for (unsigned I = 0, N = E->getNumTemplateArgs(); I != N; ++I) {
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TemplateArgumentLoc Loc;
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if (getDerived().TransformTemplateArgument(E->getTemplateArgs()[I], Loc))
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if (getDerived().TransformTemplateArguments(E->getTemplateArgs(),
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E->getNumTemplateArgs(),
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TransArgs))
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return ExprError();
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TransArgs.addArgument(Loc);
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}
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}
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return getDerived().RebuildDeclRefExpr(Qualifier, E->getQualifierRange(),
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@ -4624,12 +4656,10 @@ TreeTransform<Derived>::TransformMemberExpr(MemberExpr *E) {
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if (E->hasExplicitTemplateArgs()) {
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TransArgs.setLAngleLoc(E->getLAngleLoc());
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TransArgs.setRAngleLoc(E->getRAngleLoc());
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for (unsigned I = 0, N = E->getNumTemplateArgs(); I != N; ++I) {
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TemplateArgumentLoc Loc;
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if (getDerived().TransformTemplateArgument(E->getTemplateArgs()[I], Loc))
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if (getDerived().TransformTemplateArguments(E->getTemplateArgs(),
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E->getNumTemplateArgs(),
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TransArgs))
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return ExprError();
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TransArgs.addArgument(Loc);
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}
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}
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// FIXME: Bogus source location for the operator
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@ -5653,12 +5683,10 @@ TreeTransform<Derived>::TransformUnresolvedLookupExpr(
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// If we have template arguments, rebuild them, then rebuild the
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// templateid expression.
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TemplateArgumentListInfo TransArgs(Old->getLAngleLoc(), Old->getRAngleLoc());
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for (unsigned I = 0, N = Old->getNumTemplateArgs(); I != N; ++I) {
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TemplateArgumentLoc Loc;
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if (getDerived().TransformTemplateArgument(Old->getTemplateArgs()[I], Loc))
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if (getDerived().TransformTemplateArguments(Old->getTemplateArgs(),
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Old->getNumTemplateArgs(),
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TransArgs))
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return ExprError();
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TransArgs.addArgument(Loc);
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}
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return getDerived().RebuildTemplateIdExpr(SS, R, Old->requiresADL(),
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TransArgs);
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@ -5736,12 +5764,10 @@ TreeTransform<Derived>::TransformDependentScopeDeclRefExpr(
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}
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TemplateArgumentListInfo TransArgs(E->getLAngleLoc(), E->getRAngleLoc());
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for (unsigned I = 0, N = E->getNumTemplateArgs(); I != N; ++I) {
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TemplateArgumentLoc Loc;
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if (getDerived().TransformTemplateArgument(E->getTemplateArgs()[I], Loc))
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if (getDerived().TransformTemplateArguments(E->getTemplateArgs(),
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E->getNumTemplateArgs(),
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TransArgs))
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return ExprError();
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TransArgs.addArgument(Loc);
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}
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return getDerived().RebuildDependentScopeDeclRefExpr(NNS,
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E->getQualifierRange(),
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@ -5993,12 +6019,10 @@ TreeTransform<Derived>::TransformCXXDependentScopeMemberExpr(
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}
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TemplateArgumentListInfo TransArgs(E->getLAngleLoc(), E->getRAngleLoc());
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for (unsigned I = 0, N = E->getNumTemplateArgs(); I != N; ++I) {
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TemplateArgumentLoc Loc;
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if (getDerived().TransformTemplateArgument(E->getTemplateArgs()[I], Loc))
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if (getDerived().TransformTemplateArguments(E->getTemplateArgs(),
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E->getNumTemplateArgs(),
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TransArgs))
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return ExprError();
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TransArgs.addArgument(Loc);
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}
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return getDerived().RebuildCXXDependentScopeMemberExpr(Base.get(),
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BaseType,
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@ -6083,13 +6107,10 @@ TreeTransform<Derived>::TransformUnresolvedMemberExpr(UnresolvedMemberExpr *Old)
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if (Old->hasExplicitTemplateArgs()) {
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TransArgs.setLAngleLoc(Old->getLAngleLoc());
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TransArgs.setRAngleLoc(Old->getRAngleLoc());
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for (unsigned I = 0, N = Old->getNumTemplateArgs(); I != N; ++I) {
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TemplateArgumentLoc Loc;
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if (getDerived().TransformTemplateArgument(Old->getTemplateArgs()[I],
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Loc))
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if (getDerived().TransformTemplateArguments(Old->getTemplateArgs(),
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Old->getNumTemplateArgs(),
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TransArgs))
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return ExprError();
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TransArgs.addArgument(Loc);
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}
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}
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// FIXME: to do this check properly, we will need to preserve the
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