[clang-format] Use prefix increment and decrement. NFC.

clang/lib/Format/DefinitionBlockSeparator.cpp

@@ -102,7 +102,7 @@ void DefinitionBlockSeparator::separateBlocks(
         TargetToken = TargetToken->Next;
       if (!TargetToken) {
         while (I < Lines.size() && !Lines[I]->First->is(tok::r_brace))
-          I++;
+          ++I;
       }
     } else if (CurrentLine->First->closesScope()) {
       if (OpeningLineIndex > Lines.size())

clang/lib/Format/Format.cpp

@@ -2214,7 +2214,7 @@ private:
       unsigned St = Idx, End = Idx;
       while ((End + 1) < Tokens.size() &&
              Tokens[End]->Next == Tokens[End + 1]) {
-        End++;
+        ++End;
       }
       auto SR = CharSourceRange::getCharRange(Tokens[St]->Tok.getLocation(),
                                               Tokens[End]->Tok.getEndLoc());
@@ -2450,7 +2450,7 @@ std::string replaceCRLF(const std::string &Code) {
   do {
     Pos = Code.find("\r\n", LastPos);
     if (Pos == LastPos) {
-      LastPos++;
+      ++LastPos;
       continue;
     }
     if (Pos == std::string::npos) {

clang/lib/Format/NamespaceEndCommentsFixer.cpp

@@ -260,7 +260,7 @@ std::pair<tooling::Replacements, unsigned> NamespaceEndCommentsFixer::analyze(
           // remove end comment, it will be merged in next one
           updateEndComment(EndCommentPrevTok, std::string(), SourceMgr, &Fixes);
         }
-        CompactedNamespacesCount++;
+        ++CompactedNamespacesCount;
         AllNamespaceNames = "::" + NamespaceName + AllNamespaceNames;
         continue;
       }

clang/lib/Format/SortJavaScriptImports.cpp

@@ -260,13 +260,13 @@ private:
       while (Start != References.end() && Start->FormattingOff) {
         // Skip over all imports w/ disabled formatting.
         ReferencesSorted.push_back(*Start);
-        Start++;
+        ++Start;
       }
       SmallVector<JsModuleReference, 16> SortChunk;
       while (Start != References.end() && !Start->FormattingOff) {
         // Skip over all imports w/ disabled formatting.
         SortChunk.push_back(*Start);
-        Start++;
+        ++Start;
       }
       llvm::stable_sort(SortChunk);
       mergeModuleReferences(SortChunk);

clang/lib/Format/TokenAnnotator.cpp

@@ -1564,9 +1564,9 @@ private:
     int ParenLevel = 0;
     while (Current) {
       if (Current->is(tok::l_paren))
-        ParenLevel++;
+        ++ParenLevel;
       if (Current->is(tok::r_paren))
-        ParenLevel--;
+        --ParenLevel;
       if (ParenLevel < 1)
         break;
       Current = Current->Next;
@@ -1590,9 +1590,9 @@ private:
             break;
         }
         if (TemplateCloser->is(tok::less))
-          NestingLevel++;
+          ++NestingLevel;
         if (TemplateCloser->is(tok::greater))
-          NestingLevel--;
+          --NestingLevel;
         if (NestingLevel < 1)
           break;
         TemplateCloser = TemplateCloser->Next;

clang/lib/Format/UnwrappedLineParser.cpp

@@ -2449,7 +2449,7 @@ void UnwrappedLineParser::parseLabel(bool LeftAlignLabel) {
         addUnwrappedLine();
         if (!Style.IndentCaseBlocks &&
             Style.BreakBeforeBraces == FormatStyle::BS_Whitesmiths) {
-          Line->Level++;
+          ++Line->Level;
         }
       }
       parseStructuralElement();
@@ -2608,7 +2608,7 @@ void UnwrappedLineParser::parseRequires() {
   if (FormatTok->Previous && FormatTok->Previous->is(tok::greater)) {
     addUnwrappedLine();
     if (Style.IndentRequires) {
-      Line->Level++;
+      ++Line->Level;
     }
   }
   nextToken();

clang/lib/Format/WhitespaceManager.cpp

@@ -310,7 +310,7 @@ AlignTokenSequence(const FormatStyle &Style, unsigned Start, unsigned End,
     unsigned PreviousNonComment = i - 1;
     while (PreviousNonComment > Start &&
            Changes[PreviousNonComment].Tok->is(tok::comment))
-      PreviousNonComment--;
+      --PreviousNonComment;
     if (i != Start && Changes[i].indentAndNestingLevel() >
                           Changes[PreviousNonComment].indentAndNestingLevel())
       ScopeStack.push_back(i);
@@ -1173,7 +1173,7 @@ WhitespaceManager::CellDescriptions WhitespaceManager::getCells(unsigned Start,
           NextNonComment = NextNonComment->getNextNonComment();
         auto j = i;
         while (Changes[j].Tok != NextNonComment && j < End)
-          j++;
+          ++j;
         if (j < End && Changes[j].NewlinesBefore == 0 &&
             Changes[j].Tok->isNot(tok::r_brace)) {
           Changes[j].NewlinesBefore = 1;