| File: | clang/lib/Format/QualifierAlignmentFixer.cpp |
| Warning: | line 265, column 9 Value stored to 'Next' is never read |
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| 1 | //===--- LeftRightQualifierAlignmentFixer.cpp -------------------*- C++--*-===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | /// |
| 9 | /// \file |
| 10 | /// This file implements LeftRightQualifierAlignmentFixer, a TokenAnalyzer that |
| 11 | /// enforces either left or right const depending on the style. |
| 12 | /// |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #include "QualifierAlignmentFixer.h" |
| 16 | #include "FormatToken.h" |
| 17 | #include "llvm/Support/Debug.h" |
| 18 | #include "llvm/Support/Regex.h" |
| 19 | |
| 20 | #include <algorithm> |
| 21 | |
| 22 | #define DEBUG_TYPE"format-qualifier-alignment-fixer" "format-qualifier-alignment-fixer" |
| 23 | |
| 24 | namespace clang { |
| 25 | namespace format { |
| 26 | |
| 27 | QualifierAlignmentFixer::QualifierAlignmentFixer( |
| 28 | const Environment &Env, const FormatStyle &Style, StringRef &Code, |
| 29 | ArrayRef<tooling::Range> Ranges, unsigned FirstStartColumn, |
| 30 | unsigned NextStartColumn, unsigned LastStartColumn, StringRef FileName) |
| 31 | : TokenAnalyzer(Env, Style), Code(Code), Ranges(Ranges), |
| 32 | FirstStartColumn(FirstStartColumn), NextStartColumn(NextStartColumn), |
| 33 | LastStartColumn(LastStartColumn), FileName(FileName) { |
| 34 | std::vector<std::string> LeftOrder; |
| 35 | std::vector<std::string> RightOrder; |
| 36 | std::vector<tok::TokenKind> ConfiguredQualifierTokens; |
| 37 | PrepareLeftRightOrdering(Style.QualifierOrder, LeftOrder, RightOrder, |
| 38 | ConfiguredQualifierTokens); |
| 39 | |
| 40 | // Handle the left and right Alignment Seperately |
| 41 | for (const auto &Qualifier : LeftOrder) { |
| 42 | Passes.emplace_back( |
| 43 | [&, Qualifier, ConfiguredQualifierTokens](const Environment &Env) { |
| 44 | return LeftRightQualifierAlignmentFixer(Env, Style, Qualifier, |
| 45 | ConfiguredQualifierTokens, |
| 46 | /*RightAlign=*/false) |
| 47 | .process(); |
| 48 | }); |
| 49 | } |
| 50 | for (const auto &Qualifier : RightOrder) { |
| 51 | Passes.emplace_back( |
| 52 | [&, Qualifier, ConfiguredQualifierTokens](const Environment &Env) { |
| 53 | return LeftRightQualifierAlignmentFixer(Env, Style, Qualifier, |
| 54 | ConfiguredQualifierTokens, |
| 55 | /*RightAlign=*/true) |
| 56 | .process(); |
| 57 | }); |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | std::pair<tooling::Replacements, unsigned> QualifierAlignmentFixer::analyze( |
| 62 | TokenAnnotator &Annotator, SmallVectorImpl<AnnotatedLine *> &AnnotatedLines, |
| 63 | FormatTokenLexer &Tokens) { |
| 64 | auto Env = Environment::make(Code, FileName, Ranges, FirstStartColumn, |
| 65 | NextStartColumn, LastStartColumn); |
| 66 | if (!Env) |
| 67 | return {}; |
| 68 | llvm::Optional<std::string> CurrentCode = None; |
| 69 | tooling::Replacements Fixes; |
| 70 | for (size_t I = 0, E = Passes.size(); I < E; ++I) { |
| 71 | std::pair<tooling::Replacements, unsigned> PassFixes = Passes[I](*Env); |
| 72 | auto NewCode = applyAllReplacements( |
| 73 | CurrentCode ? StringRef(*CurrentCode) : Code, PassFixes.first); |
| 74 | if (NewCode) { |
| 75 | Fixes = Fixes.merge(PassFixes.first); |
| 76 | if (I + 1 < E) { |
| 77 | CurrentCode = std::move(*NewCode); |
| 78 | Env = Environment::make( |
| 79 | *CurrentCode, FileName, |
| 80 | tooling::calculateRangesAfterReplacements(Fixes, Ranges), |
| 81 | FirstStartColumn, NextStartColumn, LastStartColumn); |
| 82 | if (!Env) |
| 83 | return {}; |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | // Don't make replacements that replace nothing. |
| 89 | tooling::Replacements NonNoOpFixes; |
| 90 | |
| 91 | for (const tooling::Replacement &Fix : Fixes) { |
| 92 | StringRef OriginalCode = Code.substr(Fix.getOffset(), Fix.getLength()); |
| 93 | |
| 94 | if (!OriginalCode.equals(Fix.getReplacementText())) { |
| 95 | auto Err = NonNoOpFixes.add(Fix); |
| 96 | if (Err) |
| 97 | llvm::errs() << "Error adding replacements : " |
| 98 | << llvm::toString(std::move(Err)) << "\n"; |
| 99 | } |
| 100 | } |
| 101 | return {NonNoOpFixes, 0}; |
| 102 | } |
| 103 | |
| 104 | static void replaceToken(const SourceManager &SourceMgr, |
| 105 | tooling::Replacements &Fixes, |
| 106 | const CharSourceRange &Range, std::string NewText) { |
| 107 | auto Replacement = tooling::Replacement(SourceMgr, Range, NewText); |
| 108 | auto Err = Fixes.add(Replacement); |
| 109 | |
| 110 | if (Err) |
| 111 | llvm::errs() << "Error while rearranging Qualifier : " |
| 112 | << llvm::toString(std::move(Err)) << "\n"; |
| 113 | } |
| 114 | |
| 115 | static void removeToken(const SourceManager &SourceMgr, |
| 116 | tooling::Replacements &Fixes, |
| 117 | const FormatToken *First) { |
| 118 | auto Range = CharSourceRange::getCharRange(First->getStartOfNonWhitespace(), |
| 119 | First->Tok.getEndLoc()); |
| 120 | replaceToken(SourceMgr, Fixes, Range, ""); |
| 121 | } |
| 122 | |
| 123 | static void insertQualifierAfter(const SourceManager &SourceMgr, |
| 124 | tooling::Replacements &Fixes, |
| 125 | const FormatToken *First, |
| 126 | const std::string &Qualifier) { |
| 127 | FormatToken *Next = First->Next; |
| 128 | if (!Next) |
| 129 | return; |
| 130 | auto Range = CharSourceRange::getCharRange(Next->getStartOfNonWhitespace(), |
| 131 | Next->Tok.getEndLoc()); |
| 132 | |
| 133 | std::string NewText = " " + Qualifier + " "; |
| 134 | NewText += Next->TokenText; |
| 135 | replaceToken(SourceMgr, Fixes, Range, NewText); |
| 136 | } |
| 137 | |
| 138 | static void insertQualifierBefore(const SourceManager &SourceMgr, |
| 139 | tooling::Replacements &Fixes, |
| 140 | const FormatToken *First, |
| 141 | const std::string &Qualifier) { |
| 142 | auto Range = CharSourceRange::getCharRange(First->getStartOfNonWhitespace(), |
| 143 | First->Tok.getEndLoc()); |
| 144 | |
| 145 | std::string NewText = " " + Qualifier + " "; |
| 146 | NewText += First->TokenText; |
| 147 | |
| 148 | replaceToken(SourceMgr, Fixes, Range, NewText); |
| 149 | } |
| 150 | |
| 151 | static bool endsWithSpace(const std::string &s) { |
| 152 | if (s.empty()) { |
| 153 | return false; |
| 154 | } |
| 155 | return isspace(s.back()); |
| 156 | } |
| 157 | |
| 158 | static bool startsWithSpace(const std::string &s) { |
| 159 | if (s.empty()) { |
| 160 | return false; |
| 161 | } |
| 162 | return isspace(s.front()); |
| 163 | } |
| 164 | |
| 165 | static void rotateTokens(const SourceManager &SourceMgr, |
| 166 | tooling::Replacements &Fixes, const FormatToken *First, |
| 167 | const FormatToken *Last, bool Left) { |
| 168 | auto *End = Last; |
| 169 | auto *Begin = First; |
| 170 | if (!Left) { |
| 171 | End = Last->Next; |
| 172 | Begin = First->Next; |
| 173 | } |
| 174 | |
| 175 | std::string NewText; |
| 176 | // If we are rotating to the left we move the Last token to the front. |
| 177 | if (Left) { |
| 178 | NewText += Last->TokenText; |
| 179 | NewText += " "; |
| 180 | } |
| 181 | |
| 182 | // Then move through the other tokens. |
| 183 | auto *Tok = Begin; |
| 184 | while (Tok != End) { |
| 185 | if (!NewText.empty() && !endsWithSpace(NewText)) { |
| 186 | NewText += " "; |
| 187 | } |
| 188 | |
| 189 | NewText += Tok->TokenText; |
| 190 | Tok = Tok->Next; |
| 191 | } |
| 192 | |
| 193 | // If we are rotating to the right we move the first token to the back. |
| 194 | if (!Left) { |
| 195 | if (!NewText.empty() && !startsWithSpace(NewText)) { |
| 196 | NewText += " "; |
| 197 | } |
| 198 | NewText += First->TokenText; |
| 199 | } |
| 200 | |
| 201 | auto Range = CharSourceRange::getCharRange(First->getStartOfNonWhitespace(), |
| 202 | Last->Tok.getEndLoc()); |
| 203 | |
| 204 | replaceToken(SourceMgr, Fixes, Range, NewText); |
| 205 | } |
| 206 | |
| 207 | const FormatToken *LeftRightQualifierAlignmentFixer::analyzeRight( |
| 208 | const SourceManager &SourceMgr, const AdditionalKeywords &Keywords, |
| 209 | tooling::Replacements &Fixes, const FormatToken *Tok, |
| 210 | const std::string &Qualifier, tok::TokenKind QualifierType) { |
| 211 | // We only need to think about streams that begin with a qualifier. |
| 212 | if (!Tok->is(QualifierType)) |
| 213 | return Tok; |
| 214 | // Don't concern yourself if nothing follows the qualifier. |
| 215 | if (!Tok->Next) |
| 216 | return Tok; |
| 217 | if (LeftRightQualifierAlignmentFixer::isPossibleMacro(Tok->Next)) |
| 218 | return Tok; |
| 219 | |
| 220 | FormatToken *Qual = Tok->Next; |
| 221 | FormatToken *LastQual = Qual; |
| 222 | while (Qual && isQualifierOrType(Qual, ConfiguredQualifierTokens)) { |
| 223 | LastQual = Qual; |
| 224 | Qual = Qual->Next; |
| 225 | } |
| 226 | if (LastQual && Qual != LastQual) { |
| 227 | rotateTokens(SourceMgr, Fixes, Tok, LastQual, /*Left=*/false); |
| 228 | Tok = LastQual; |
| 229 | } else if (Tok->startsSequence(QualifierType, tok::identifier, |
| 230 | TT_TemplateOpener)) { |
| 231 | // Read from the TemplateOpener to |
| 232 | // TemplateCloser as in const ArrayRef<int> a; const ArrayRef<int> &a; |
| 233 | FormatToken *EndTemplate = Tok->Next->Next->MatchingParen; |
| 234 | if (EndTemplate) { |
| 235 | // Move to the end of any template class members e.g. |
| 236 | // `Foo<int>::iterator`. |
| 237 | if (EndTemplate->startsSequence(TT_TemplateCloser, tok::coloncolon, |
| 238 | tok::identifier)) |
| 239 | EndTemplate = EndTemplate->Next->Next; |
| 240 | } |
| 241 | if (EndTemplate && EndTemplate->Next && |
| 242 | !EndTemplate->Next->isOneOf(tok::equal, tok::l_paren)) { |
| 243 | insertQualifierAfter(SourceMgr, Fixes, EndTemplate, Qualifier); |
| 244 | // Remove the qualifier. |
| 245 | removeToken(SourceMgr, Fixes, Tok); |
| 246 | return Tok; |
| 247 | } |
| 248 | } else if (Tok->startsSequence(QualifierType, tok::identifier)) { |
| 249 | FormatToken *Next = Tok->Next; |
| 250 | // The case `const Foo` -> `Foo const` |
| 251 | // The case `const Foo *` -> `Foo const *` |
| 252 | // The case `const Foo &` -> `Foo const &` |
| 253 | // The case `const Foo &&` -> `Foo const &&` |
| 254 | // The case `const std::Foo &&` -> `std::Foo const &&` |
| 255 | // The case `const std::Foo<T> &&` -> `std::Foo<T> const &&` |
| 256 | while (Next && Next->isOneOf(tok::identifier, tok::coloncolon)) { |
| 257 | Next = Next->Next; |
| 258 | } |
| 259 | if (Next && Next->is(TT_TemplateOpener)) { |
| 260 | Next = Next->MatchingParen; |
| 261 | // Move to the end of any template class members e.g. |
| 262 | // `Foo<int>::iterator`. |
| 263 | if (Next && Next->startsSequence(TT_TemplateCloser, tok::coloncolon, |
| 264 | tok::identifier)) { |
| 265 | Next = Next->Next->Next; |
Value stored to 'Next' is never read | |
| 266 | return Tok; |
| 267 | } |
| 268 | assert(Next && "Missing template opener")(static_cast <bool> (Next && "Missing template opener" ) ? void (0) : __assert_fail ("Next && \"Missing template opener\"" , "clang/lib/Format/QualifierAlignmentFixer.cpp", 268, __extension__ __PRETTY_FUNCTION__)); |
| 269 | Next = Next->Next; |
| 270 | } |
| 271 | if (Next && Next->isOneOf(tok::star, tok::amp, tok::ampamp) && |
| 272 | !Tok->Next->isOneOf(Keywords.kw_override, Keywords.kw_final)) { |
| 273 | if (Next->Previous && !Next->Previous->is(QualifierType)) { |
| 274 | insertQualifierAfter(SourceMgr, Fixes, Next->Previous, Qualifier); |
| 275 | removeToken(SourceMgr, Fixes, Tok); |
| 276 | } |
| 277 | return Next; |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | return Tok; |
| 282 | } |
| 283 | |
| 284 | const FormatToken *LeftRightQualifierAlignmentFixer::analyzeLeft( |
| 285 | const SourceManager &SourceMgr, const AdditionalKeywords &Keywords, |
| 286 | tooling::Replacements &Fixes, const FormatToken *Tok, |
| 287 | const std::string &Qualifier, tok::TokenKind QualifierType) { |
| 288 | // if Tok is an identifier and possibly a macro then don't convert. |
| 289 | if (LeftRightQualifierAlignmentFixer::isPossibleMacro(Tok)) |
| 290 | return Tok; |
| 291 | |
| 292 | const FormatToken *Qual = Tok; |
| 293 | const FormatToken *LastQual = Qual; |
| 294 | while (Qual && isQualifierOrType(Qual, ConfiguredQualifierTokens)) { |
| 295 | LastQual = Qual; |
| 296 | Qual = Qual->Next; |
| 297 | if (Qual && Qual->is(QualifierType)) |
| 298 | break; |
| 299 | } |
| 300 | |
| 301 | if (!Qual) { |
| 302 | return Tok; |
| 303 | } |
| 304 | |
| 305 | if (LastQual && Qual != LastQual && Qual->is(QualifierType)) { |
| 306 | rotateTokens(SourceMgr, Fixes, Tok, Qual, /*Left=*/true); |
| 307 | Tok = Qual->Next; |
| 308 | } else if (Tok->startsSequence(tok::identifier, QualifierType)) { |
| 309 | if (Tok->Next->Next && Tok->Next->Next->isOneOf(tok::identifier, tok::star, |
| 310 | tok::amp, tok::ampamp)) { |
| 311 | // Don't swap `::iterator const` to `::const iterator`. |
| 312 | if (!Tok->Previous || |
| 313 | (Tok->Previous && !Tok->Previous->is(tok::coloncolon))) { |
| 314 | rotateTokens(SourceMgr, Fixes, Tok, Tok->Next, /*Left=*/true); |
| 315 | Tok = Tok->Next; |
| 316 | } |
| 317 | } |
| 318 | } |
| 319 | if (Tok->is(TT_TemplateOpener) && Tok->Next && |
| 320 | (Tok->Next->is(tok::identifier) || Tok->Next->isSimpleTypeSpecifier()) && |
| 321 | Tok->Next->Next && Tok->Next->Next->is(QualifierType)) { |
| 322 | rotateTokens(SourceMgr, Fixes, Tok->Next, Tok->Next->Next, /*Left=*/true); |
| 323 | } |
| 324 | if (Tok->startsSequence(tok::identifier) && Tok->Next) { |
| 325 | if (Tok->Previous && |
| 326 | Tok->Previous->isOneOf(tok::star, tok::ampamp, tok::amp)) { |
| 327 | return Tok; |
| 328 | } |
| 329 | const FormatToken *Next = Tok->Next; |
| 330 | // The case `std::Foo<T> const` -> `const std::Foo<T> &&` |
| 331 | while (Next && Next->isOneOf(tok::identifier, tok::coloncolon)) |
| 332 | Next = Next->Next; |
| 333 | if (Next && Next->Previous && |
| 334 | Next->Previous->startsSequence(tok::identifier, TT_TemplateOpener)) { |
| 335 | // Read from to the end of the TemplateOpener to |
| 336 | // TemplateCloser const ArrayRef<int> a; const ArrayRef<int> &a; |
| 337 | if (Next->is(tok::comment) && Next->getNextNonComment()) |
| 338 | Next = Next->getNextNonComment(); |
| 339 | assert(Next->MatchingParen && "Missing template closer")(static_cast <bool> (Next->MatchingParen && "Missing template closer" ) ? void (0) : __assert_fail ("Next->MatchingParen && \"Missing template closer\"" , "clang/lib/Format/QualifierAlignmentFixer.cpp", 339, __extension__ __PRETTY_FUNCTION__)); |
| 340 | Next = Next->MatchingParen->Next; |
| 341 | |
| 342 | // Move to the end of any template class members e.g. |
| 343 | // `Foo<int>::iterator`. |
| 344 | if (Next && Next->startsSequence(tok::coloncolon, tok::identifier)) |
| 345 | Next = Next->Next->Next; |
| 346 | if (Next && Next->is(QualifierType)) { |
| 347 | // Remove the const. |
| 348 | insertQualifierBefore(SourceMgr, Fixes, Tok, Qualifier); |
| 349 | removeToken(SourceMgr, Fixes, Next); |
| 350 | return Next; |
| 351 | } |
| 352 | } |
| 353 | if (Next && Next->Next && |
| 354 | Next->Next->isOneOf(tok::amp, tok::ampamp, tok::star)) { |
| 355 | if (Next->is(QualifierType)) { |
| 356 | // Remove the qualifier. |
| 357 | insertQualifierBefore(SourceMgr, Fixes, Tok, Qualifier); |
| 358 | removeToken(SourceMgr, Fixes, Next); |
| 359 | return Next; |
| 360 | } |
| 361 | } |
| 362 | } |
| 363 | return Tok; |
| 364 | } |
| 365 | |
| 366 | tok::TokenKind LeftRightQualifierAlignmentFixer::getTokenFromQualifier( |
| 367 | const std::string &Qualifier) { |
| 368 | // Don't let 'type' be an identifier, but steal typeof token. |
| 369 | return llvm::StringSwitch<tok::TokenKind>(Qualifier) |
| 370 | .Case("type", tok::kw_typeof) |
| 371 | .Case("const", tok::kw_const) |
| 372 | .Case("volatile", tok::kw_volatile) |
| 373 | .Case("static", tok::kw_static) |
| 374 | .Case("inline", tok::kw_inline) |
| 375 | .Case("constexpr", tok::kw_constexpr) |
| 376 | .Case("restrict", tok::kw_restrict) |
| 377 | .Default(tok::identifier); |
| 378 | } |
| 379 | |
| 380 | LeftRightQualifierAlignmentFixer::LeftRightQualifierAlignmentFixer( |
| 381 | const Environment &Env, const FormatStyle &Style, |
| 382 | const std::string &Qualifier, |
| 383 | const std::vector<tok::TokenKind> &QualifierTokens, bool RightAlign) |
| 384 | : TokenAnalyzer(Env, Style), Qualifier(Qualifier), RightAlign(RightAlign), |
| 385 | ConfiguredQualifierTokens(QualifierTokens) {} |
| 386 | |
| 387 | std::pair<tooling::Replacements, unsigned> |
| 388 | LeftRightQualifierAlignmentFixer::analyze( |
| 389 | TokenAnnotator &Annotator, SmallVectorImpl<AnnotatedLine *> &AnnotatedLines, |
| 390 | FormatTokenLexer &Tokens) { |
| 391 | tooling::Replacements Fixes; |
| 392 | const AdditionalKeywords &Keywords = Tokens.getKeywords(); |
| 393 | const SourceManager &SourceMgr = Env.getSourceManager(); |
| 394 | AffectedRangeMgr.computeAffectedLines(AnnotatedLines); |
| 395 | |
| 396 | tok::TokenKind QualifierToken = getTokenFromQualifier(Qualifier); |
| 397 | assert(QualifierToken != tok::identifier && "Unrecognised Qualifier")(static_cast <bool> (QualifierToken != tok::identifier && "Unrecognised Qualifier") ? void (0) : __assert_fail ("QualifierToken != tok::identifier && \"Unrecognised Qualifier\"" , "clang/lib/Format/QualifierAlignmentFixer.cpp", 397, __extension__ __PRETTY_FUNCTION__)); |
| 398 | |
| 399 | for (AnnotatedLine *Line : AnnotatedLines) { |
| 400 | FormatToken *First = Line->First; |
| 401 | const auto *Last = Line->Last; |
| 402 | |
| 403 | for (const auto *Tok = First; Tok && Tok != Last && Tok->Next; |
| 404 | Tok = Tok->Next) { |
| 405 | if (Tok->is(tok::comment)) |
| 406 | continue; |
| 407 | if (RightAlign) |
| 408 | Tok = analyzeRight(SourceMgr, Keywords, Fixes, Tok, Qualifier, |
| 409 | QualifierToken); |
| 410 | else |
| 411 | Tok = analyzeLeft(SourceMgr, Keywords, Fixes, Tok, Qualifier, |
| 412 | QualifierToken); |
| 413 | } |
| 414 | } |
| 415 | return {Fixes, 0}; |
| 416 | } |
| 417 | |
| 418 | void QualifierAlignmentFixer::PrepareLeftRightOrdering( |
| 419 | const std::vector<std::string> &Order, std::vector<std::string> &LeftOrder, |
| 420 | std::vector<std::string> &RightOrder, |
| 421 | std::vector<tok::TokenKind> &Qualifiers) { |
| 422 | |
| 423 | // Depending on the position of type in the order you need |
| 424 | // To iterate forward or backward through the order list as qualifier |
| 425 | // can push through each other. |
| 426 | // The Order list must define the position of "type" to signify |
| 427 | assert(llvm::is_contained(Order, "type") &&(static_cast <bool> (llvm::is_contained(Order, "type") && "QualifierOrder must contain type") ? void (0) : __assert_fail ("llvm::is_contained(Order, \"type\") && \"QualifierOrder must contain type\"" , "clang/lib/Format/QualifierAlignmentFixer.cpp", 428, __extension__ __PRETTY_FUNCTION__)) |
| 428 | "QualifierOrder must contain type")(static_cast <bool> (llvm::is_contained(Order, "type") && "QualifierOrder must contain type") ? void (0) : __assert_fail ("llvm::is_contained(Order, \"type\") && \"QualifierOrder must contain type\"" , "clang/lib/Format/QualifierAlignmentFixer.cpp", 428, __extension__ __PRETTY_FUNCTION__)); |
| 429 | // Split the Order list by type and reverse the left side. |
| 430 | |
| 431 | bool left = true; |
| 432 | for (const auto &s : Order) { |
| 433 | if (s == "type") { |
| 434 | left = false; |
| 435 | continue; |
| 436 | } |
| 437 | |
| 438 | tok::TokenKind QualifierToken = |
| 439 | LeftRightQualifierAlignmentFixer::getTokenFromQualifier(s); |
| 440 | if (QualifierToken != tok::kw_typeof && QualifierToken != tok::identifier) { |
| 441 | Qualifiers.push_back(QualifierToken); |
| 442 | } |
| 443 | |
| 444 | if (left) |
| 445 | // Reverse the order for left aligned items. |
| 446 | LeftOrder.insert(LeftOrder.begin(), s); |
| 447 | else |
| 448 | RightOrder.push_back(s); |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | bool LeftRightQualifierAlignmentFixer::isQualifierOrType( |
| 453 | const FormatToken *Tok, const std::vector<tok::TokenKind> &specifiedTypes) { |
| 454 | return Tok && (Tok->isSimpleTypeSpecifier() || Tok->is(tok::kw_auto) || |
| 455 | llvm::is_contained(specifiedTypes, Tok->Tok.getKind())); |
| 456 | } |
| 457 | |
| 458 | // If a token is an identifier and it's upper case, it could |
| 459 | // be a macro and hence we need to be able to ignore it. |
| 460 | bool LeftRightQualifierAlignmentFixer::isPossibleMacro(const FormatToken *Tok) { |
| 461 | if (!Tok) |
| 462 | return false; |
| 463 | if (!Tok->is(tok::identifier)) |
| 464 | return false; |
| 465 | if (Tok->TokenText.upper() == Tok->TokenText.str()) |
| 466 | return true; |
| 467 | return false; |
| 468 | } |
| 469 | |
| 470 | } // namespace format |
| 471 | } // namespace clang |