[clang-format][NFC] Maximize usage of isOneOf() in TokenAnnotator (#151658)

Also make a StringRef literal `static constexpr`.

Author: owenca

clang/lib/Format/IntegerLiteralSeparatorFixer.cpp

@@ -117,7 +117,7 @@ IntegerLiteralSeparatorFixer::process(const Environment &Env,
     }
     if (Style.isCpp()) {
       // Hex alpha digits a-f/A-F must be at the end of the string literal.
-      StringRef Suffixes = "_himnsuyd";
+      static constexpr StringRef Suffixes("_himnsuyd");
       if (const auto Pos =
               Text.find_first_of(IsBase16 ? Suffixes.drop_back() : Suffixes);
           Pos != StringRef::npos) {

clang/lib/Format/TokenAnnotator.cpp

@@ -1939,7 +1939,7 @@ class AnnotatingParser {
       Contexts.back().IsExpression = true;
       next();
       if (CurrentToken)
-        CurrentToken->SpacesRequiredBefore = true;
+        CurrentToken->SpacesRequiredBefore = 1;
       parseLine();
       break;
     default:
@@ -2639,8 +2639,8 @@ class AnnotatingParser {
     if (PreviousNotConst->is(TT_TemplateCloser)) {
       return PreviousNotConst && PreviousNotConst->MatchingParen &&
              PreviousNotConst->MatchingParen->Previous &&
-             PreviousNotConst->MatchingParen->Previous->isNot(tok::period) &&
-             PreviousNotConst->MatchingParen->Previous->isNot(tok::kw_template);
+             !PreviousNotConst->MatchingParen->Previous->isOneOf(
+                 tok::period, tok::kw_template);
     }
 
     if ((PreviousNotConst->is(tok::r_paren) &&
@@ -3369,7 +3369,7 @@ class ExpressionParser {
           Current->isOneOf(Keywords.kw_in, Keywords.kw_as)) {
         return prec::Relational;
       }
-      if (Current->is(TT_BinaryOperator) || Current->is(tok::comma))
+      if (Current->isOneOf(TT_BinaryOperator, tok::comma))
         return Current->getPrecedence();
       if (Current->isOneOf(tok::period, tok::arrow) &&
           Current->isNot(TT_TrailingReturnArrow)) {
@@ -4314,8 +4314,8 @@ unsigned TokenAnnotator::splitPenalty(const AnnotatedLine &Line,
 
   if (Left.is(tok::coloncolon))
     return Style.PenaltyBreakScopeResolution;
-  if (Right.isOneOf(TT_StartOfName, TT_FunctionDeclarationName) ||
-      Right.is(tok::kw_operator)) {
+  if (Right.isOneOf(TT_StartOfName, TT_FunctionDeclarationName,
+                    tok::kw_operator)) {
     if (Line.startsWith(tok::kw_for) && Right.PartOfMultiVariableDeclStmt)
       return 3;
     if (Left.is(TT_StartOfName))
@@ -4757,7 +4757,7 @@ bool TokenAnnotator::spaceRequiredBetween(const AnnotatedLine &Line,
     if (Previous) {
       if (Previous->endsSequence(tok::kw_operator))
         return Style.PointerAlignment != FormatStyle::PAS_Left;
-      if (Previous->is(tok::kw_const) || Previous->is(tok::kw_volatile)) {
+      if (Previous->isOneOf(tok::kw_const, tok::kw_volatile)) {
         return (Style.PointerAlignment != FormatStyle::PAS_Left) ||
                (Style.SpaceAroundPointerQualifiers ==
                 FormatStyle::SAPQ_After) ||
@@ -4931,8 +4931,7 @@ bool TokenAnnotator::spaceRequiredBetween(const AnnotatedLine &Line,
   }
   if (Left.is(TT_TemplateCloser) && Left.MatchingParen &&
       Left.MatchingParen->Previous &&
-      (Left.MatchingParen->Previous->is(tok::period) ||
-       Left.MatchingParen->Previous->is(tok::coloncolon))) {
+      Left.MatchingParen->Previous->isOneOf(tok::period, tok::coloncolon)) {
     // Java call to generic function with explicit type:
     // A.<B<C<...>>>DoSomething();
     // A::<B<C<...>>>DoSomething();  // With a Java 8 method reference.
@@ -5207,8 +5206,7 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line,
          // (e.g. as "const x of y" in a for loop), or after a destructuring
          // operation (const [x, y] of z, const {a, b} of c).
          (Left.is(Keywords.kw_of) && BeforeLeft &&
-          (BeforeLeft->is(tok::identifier) ||
-           BeforeLeft->isOneOf(tok::r_square, tok::r_brace)))) &&
+          BeforeLeft->isOneOf(tok::identifier, tok::r_square, tok::r_brace))) &&
         (!BeforeLeft || BeforeLeft->isNot(tok::period))) {
       return true;
     }
@@ -5516,7 +5514,7 @@ bool TokenAnnotator::spaceRequiredBefore(const AnnotatedLine &Line,
     return false;
   }
   if (Style.isJava() && Right.is(tok::coloncolon) &&
-      (Left.is(tok::identifier) || Left.is(tok::kw_this))) {
+      Left.isOneOf(tok::identifier, tok::kw_this)) {
     return false;
   }
   if (Right.is(tok::coloncolon) && Left.is(tok::identifier)) {
@@ -5587,8 +5585,8 @@ static bool IsFunctionArgument(const FormatToken &Tok) {
 }
 
 static bool
-isItAnEmptyLambdaAllowed(const FormatToken &Tok,
-                         FormatStyle::ShortLambdaStyle ShortLambdaOption) {
+isEmptyLambdaAllowed(const FormatToken &Tok,
+                     FormatStyle::ShortLambdaStyle ShortLambdaOption) {
   return Tok.Children.empty() && ShortLambdaOption != FormatStyle::SLS_None;
 }
 
@@ -5808,8 +5806,8 @@ bool TokenAnnotator::mustBreakBefore(const AnnotatedLine &Line,
   }
 
   if (Right.is(tok::comment)) {
-    return Left.isNot(BK_BracedInit) && Left.isNot(TT_CtorInitializerColon) &&
-           (Right.NewlinesBefore > 0 && Right.HasUnescapedNewline);
+    return !Left.isOneOf(BK_BracedInit, TT_CtorInitializerColon) &&
+           Right.NewlinesBefore > 0 && Right.HasUnescapedNewline;
   }
   if (Left.isTrailingComment())
     return true;
@@ -5977,7 +5975,7 @@ bool TokenAnnotator::mustBreakBefore(const AnnotatedLine &Line,
   // Put multiple Java annotation on a new line.
   if ((Style.isJava() || Style.isJavaScript()) &&
       Left.is(TT_LeadingJavaAnnotation) &&
-      Right.isNot(TT_LeadingJavaAnnotation) && Right.isNot(tok::l_paren) &&
+      !Right.isOneOf(TT_LeadingJavaAnnotation, tok::l_paren) &&
       (Line.Last->is(tok::l_brace) || Style.BreakAfterJavaFieldAnnotations)) {
     return true;
   }
@@ -6043,7 +6041,7 @@ bool TokenAnnotator::mustBreakBefore(const AnnotatedLine &Line,
         ((LBrace->is(tok::l_brace) &&
           (LBrace->is(TT_DictLiteral) ||
            (LBrace->Next && LBrace->Next->is(tok::r_brace)))) ||
-         LBrace->is(TT_ArrayInitializerLSquare) || LBrace->is(tok::less))) {
+         LBrace->isOneOf(TT_ArrayInitializerLSquare, tok::less))) {
       // If Left.ParameterCount is 0, then this submessage entry is not the
       // first in its parent submessage, and we want to break before this entry.
       // If Left.ParameterCount is greater than 0, then its parent submessage
@@ -6257,9 +6255,9 @@ bool TokenAnnotator::canBreakBefore(const AnnotatedLine &Line,
   }
   if (Left.is(tok::question) && Right.is(tok::colon))
     return false;
-  if (Right.is(TT_ConditionalExpr) || Right.is(tok::question))
+  if (Right.isOneOf(TT_ConditionalExpr, tok::question))
     return Style.BreakBeforeTernaryOperators;
-  if (Left.is(TT_ConditionalExpr) || Left.is(tok::question))
+  if (Left.isOneOf(TT_ConditionalExpr, tok::question))
     return !Style.BreakBeforeTernaryOperators;
   if (Left.is(TT_InheritanceColon))
     return Style.BreakInheritanceList == FormatStyle::BILS_AfterColon;
@@ -6302,7 +6300,7 @@ bool TokenAnnotator::canBreakBefore(const AnnotatedLine &Line,
       // submessage: { ... }
       // submessage: < ... >
       // repeated: [ ... ]
-      if (((Right.is(tok::l_brace) || Right.is(tok::less)) &&
+      if ((Right.isOneOf(tok::l_brace, tok::less) &&
            Right.is(TT_DictLiteral)) ||
           Right.is(TT_ArrayInitializerLSquare)) {
         return false;
@@ -6352,10 +6350,8 @@ bool TokenAnnotator::canBreakBefore(const AnnotatedLine &Line,
        Right.getPrecedence() != prec::Assignment)) {
     return true;
   }
-  if (Left.isOneOf(TT_TemplateCloser, TT_UnaryOperator) ||
-      Left.is(tok::kw_operator)) {
+  if (Left.isOneOf(TT_TemplateCloser, TT_UnaryOperator, tok::kw_operator))
     return false;
-  }
   if (Left.is(tok::equal) && !Right.isOneOf(tok::kw_default, tok::kw_delete) &&
       Line.Type == LT_VirtualFunctionDecl && Left.NestingLevel == 0) {
     return false;
@@ -6440,9 +6436,9 @@ bool TokenAnnotator::canBreakBefore(const AnnotatedLine &Line,
   auto ShortLambdaOption = Style.AllowShortLambdasOnASingleLine;
   if (Style.BraceWrapping.BeforeLambdaBody && Right.is(TT_LambdaLBrace)) {
     if (isAllmanLambdaBrace(Left))
-      return !isItAnEmptyLambdaAllowed(Left, ShortLambdaOption);
+      return !isEmptyLambdaAllowed(Left, ShortLambdaOption);
     if (isAllmanLambdaBrace(Right))
-      return !isItAnEmptyLambdaAllowed(Right, ShortLambdaOption);
+      return !isEmptyLambdaAllowed(Right, ShortLambdaOption);
   }
 
   if (Right.is(tok::kw_noexcept) && Right.is(TT_TrailingAnnotation)) {