lib/Lex/PPMacroExpansion.cpp

171   MacroInfo *MI = nullptr;
178       MI = DMD->getInfo();
194     if (MI && NewMI != MI &&
195         !MI->isIdenticalTo(*NewMI, *this, /*Syntactically=*/true))
199     MI = NewMI;
261     if (auto *MI = MM->getMacroInfo()) {
263       MI->dump();
276   MacroInfo *MI = PP.AllocateMacroInfo(SourceLocation());
277   MI->setIsBuiltinMacro();
278   PP.appendDefMacroDirective(Id, MI);
340 /// isTrivialSingleTokenExpansion - Return true if MI, which has a single token
342 static bool isTrivialSingleTokenExpansion(const MacroInfo *MI,
345   IdentifierInfo *II = MI->getReplacementToken(0).getIdentifierInfo();
365   if (MI->isObjectLike()) return true;
369   return std::find(MI->arg_begin(), MI->arg_end(), II) == MI->arg_end();
421   MacroInfo *MI = M.getMacroInfo();
429   if (MI->isBuiltinMacro()) {
447   if (MI->isFunctionLike()) {
452     Args = ReadFunctionLikeMacroArgs(Identifier, MI, ExpansionEnd);
466   markMacroAsUsed(MI);
498     Diag(MI->getDefinitionLoc(), diag::note_pp_ambiguous_macro_chosen)
501       if (OtherMI != MI)
511   if (MI->getNumTokens() == 0) {
521   } else if (MI->getNumTokens() == 1 &&
522              isTrivialSingleTokenExpansion(MI, Identifier.getIdentifierInfo(),
537     Identifier = MI->getReplacementToken(0);
554         if (!NewMI->isEnabled() || NewMI == MI) {
558           if (NewMI != MI || MI->isFunctionLike())
570   EnterMacro(Identifier, ExpansionEnd, MI, Args);
707                                                    MacroInfo *MI,
710   unsigned NumFixedArgsLeft = MI->getNumArgs();
711   bool isVariadic = MI->isVariadic();
752           Diag(MI->getDefinitionLoc(), diag::note_macro_here)
795         if (MacroInfo *MI = getMacroInfo(Tok.getIdentifierInfo()))
796           if (!MI->isEnabled())
802                                                   MI, NumActuals);
846   unsigned MinArgsExpected = MI->getNumArgs();
855     Diag(MI->getDefinitionLoc(), diag::note_macro_here)
911       isVarargsElided = MI->isVariadic();
912     } else if (MI->isVariadic() &&
921       if (!MI->hasCommaPasting()) {
923         Diag(MI->getDefinitionLoc(), diag::note_macro_here)
937       Diag(MI->getDefinitionLoc(), diag::note_macro_here)
954   } else if (NumActuals > MinArgsExpected && !MI->isVariadic() &&
959     Diag(MI->getDefinitionLoc(), diag::note_macro_here)
964   return MacroArgs::create(MI, ArgTokens, isVarargsElided, *this);
1790 void Preprocessor::markMacroAsUsed(MacroInfo *MI) {
1793   if (MI->isWarnIfUnused() && !MI->isUsed())
1794     WarnUnusedMacroLocs.erase(MI->getDefinitionLoc());
1795   MI->setIsUsed(true);