1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 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 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public ::testing::Test { 28 protected: 29 TokenList annotate(llvm::StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 46 do { \ 47 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 48 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 49 } while (false) 50 51 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 52 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 53 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 54 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 55 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 56 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 57 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 59 60 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 61 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 62 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 63 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 64 65 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 66 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 67 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 68 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 69 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 70 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 72 73 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 74 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 75 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 76 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 77 78 Tokens = annotate("void f() {\n" 79 " while (p < a && *p == 'a')\n" 80 " p++;\n" 81 "}"); 82 EXPECT_EQ(Tokens.size(), 21u) << Tokens; 83 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 84 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 85 86 Tokens = annotate("case *x:"); 87 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 88 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 89 Tokens = annotate("case &x:"); 90 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 91 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 92 93 Tokens = annotate("bool b = 3 == int{3} && true;\n"); 94 EXPECT_EQ(Tokens.size(), 13u) << Tokens; 95 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 96 97 Tokens = annotate("struct {\n" 98 "} *ptr;"); 99 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 100 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 101 Tokens = annotate("union {\n" 102 "} *ptr;"); 103 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 104 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 105 Tokens = annotate("class {\n" 106 "} *ptr;"); 107 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 108 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 109 110 Tokens = annotate("struct {\n" 111 "} &&ptr = {};"); 112 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 113 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 114 Tokens = annotate("union {\n" 115 "} &&ptr = {};"); 116 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 117 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 118 Tokens = annotate("class {\n" 119 "} &&ptr = {};"); 120 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 121 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 122 Tokens = annotate("int i = int{42} * 2;"); 123 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 124 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 125 126 Tokens = annotate("delete[] *ptr;"); 127 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 128 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 129 Tokens = annotate("delete[] **ptr;"); 130 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 131 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 132 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 133 Tokens = annotate("delete[] *(ptr);"); 134 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 135 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 136 137 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 138 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 139 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 140 // FIXME: The star of a function pointer probably makes more sense as 141 // TT_PointerOrReference. 142 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 143 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 144 145 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 146 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 147 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 148 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 149 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 150 151 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 152 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 153 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 154 155 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 156 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 157 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 158 159 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 160 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 161 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 162 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 163 164 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 165 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 166 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 167 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 168 169 Tokens = annotate("Type1 &val1 = val2;"); 170 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 171 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 172 173 Tokens = annotate("Type1 *val1 = &val2;"); 174 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 175 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 176 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 177 178 Tokens = annotate("val1 & val2;"); 179 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 180 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 181 182 Tokens = annotate("val1 & val2.member;"); 183 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 184 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 185 186 Tokens = annotate("val1 & val2.*member;"); 187 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 188 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 189 190 Tokens = annotate("val1.*member & val2;"); 191 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 192 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 193 194 Tokens = annotate("val1 & val2->*member;"); 195 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 196 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 197 198 Tokens = annotate("val1->member & val2;"); 199 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 200 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 201 202 Tokens = annotate("val1 & val2 & val3;"); 203 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 204 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 205 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 206 207 Tokens = annotate("val1 & val2 // comment\n" 208 " & val3;"); 209 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 210 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 211 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 212 213 Tokens = 214 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 215 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 216 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 217 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 218 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 220 221 Tokens = annotate("class c {\n" 222 " void func(type &a) { a & member; }\n" 223 " anotherType &member;\n" 224 "}"); 225 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 226 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 227 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 228 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 229 230 Tokens = annotate("struct S {\n" 231 " auto Mem = C & D;\n" 232 "}"); 233 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 234 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 235 236 Tokens = 237 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 238 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 239 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 240 241 Tokens = annotate("template <typename T> struct S {\n" 242 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 243 "};"); 244 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 245 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 246 247 Tokens = annotate("template <bool B = C && D> struct S {};"); 248 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 249 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 250 251 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 252 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 253 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 254 255 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 256 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 257 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 258 259 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 260 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 261 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 262 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 263 264 Tokens = annotate("Foo<A && B> a = {};"); 265 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 266 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 267 268 Tokens = annotate("Foo<A &&> a = {};"); 269 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 270 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 271 272 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 273 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 274 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 275 } 276 277 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 278 auto Tokens = annotate("x - 0"); 279 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 280 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 281 Tokens = annotate("0 + 0"); 282 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 283 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 284 Tokens = annotate("x + +0"); 285 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 286 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 287 Tokens = annotate("x ? -0 : +0"); 288 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 289 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 290 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 291 Tokens = annotate("(-0)"); 292 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 293 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 294 Tokens = annotate("0, -0"); 295 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 296 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 297 Tokens = annotate("for (; -1;) {\n}"); 298 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 299 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 300 Tokens = annotate("x = -1;"); 301 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 302 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 303 Tokens = annotate("x[-1]"); 304 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 305 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 306 Tokens = annotate("x = {-1};"); 307 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 308 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 309 Tokens = annotate("case -x:"); 310 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 311 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 312 Tokens = annotate("co_await -x;"); 313 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 314 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 315 Tokens = annotate("co_return -x;"); 316 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 317 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 318 Tokens = annotate("co_yield -x;"); 319 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 320 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 321 Tokens = annotate("delete -x;"); 322 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 323 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 324 Tokens = annotate("return -x;"); 325 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 326 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 327 Tokens = annotate("throw -x;"); 328 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 329 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 330 Tokens = annotate("sizeof -x"); 331 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 332 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 333 Tokens = annotate("co_await +x;"); 334 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 335 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 336 Tokens = annotate("co_return +x;"); 337 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 338 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 339 Tokens = annotate("co_yield +x;"); 340 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 341 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 342 Tokens = annotate("delete +x;"); 343 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 344 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 345 Tokens = annotate("return +x;"); 346 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 347 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 348 Tokens = annotate("throw +x;"); 349 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 350 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 351 Tokens = annotate("sizeof +x"); 352 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 353 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 354 Tokens = annotate("(int)-x"); 355 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 356 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 357 Tokens = annotate("(-x)"); 358 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 359 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 360 Tokens = annotate("!+x"); 361 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 362 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 363 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 364 } 365 366 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 367 auto Tokens = annotate("class C {};"); 368 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 369 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 370 371 Tokens = annotate("const class C {} c;"); 372 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 373 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 374 375 Tokens = annotate("const class {} c;"); 376 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 377 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 378 379 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 380 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 381 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 382 } 383 384 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 385 auto Tokens = annotate("struct S {};"); 386 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 387 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 388 389 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 390 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 391 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 392 393 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 394 EXPECT_EQ(Tokens.size(), 19u) << Tokens; 395 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 396 397 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 398 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 399 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 400 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 401 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 402 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 403 404 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 405 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 406 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 407 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 408 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 409 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 410 411 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 412 " void f(T const (&a)[n]);\n" 413 "};"); 414 EXPECT_EQ(Tokens.size(), 35u) << Tokens; 415 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 416 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 417 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 418 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 419 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 420 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 421 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 422 } 423 424 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 425 auto Tokens = annotate("union U {};"); 426 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 427 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 428 429 Tokens = annotate("union U { void f() { return; } };"); 430 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 431 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 432 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 433 } 434 435 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 436 auto Tokens = annotate("enum E {};"); 437 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 438 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 439 } 440 441 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 442 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 443 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 444 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 445 446 Tokens = annotate("template <typename T> void F(T) && = delete;"); 447 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 448 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 449 } 450 451 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 452 auto Tokens = 453 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 454 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 455 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 456 } 457 458 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 459 auto Tokens = 460 annotate("template <typename T> " 461 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 462 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 463 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 464 } 465 466 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 467 auto Tokens = 468 annotate("#define FOO(typeName) \\\n" 469 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 470 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 471 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 472 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 473 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 474 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 475 } 476 477 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 478 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 479 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 480 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 481 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 482 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 483 } 484 485 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 486 auto Tokens = annotate("return a < b && c > d;"); 487 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 488 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 489 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 490 491 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 492 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 493 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 494 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 495 496 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 497 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 498 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 499 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 500 } 501 502 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 503 FormatStyle Style = getLLVMStyle(); 504 Style.WhitespaceSensitiveMacros.push_back("FOO"); 505 506 auto Tokens = annotate("FOO(1+2 )\n", Style); 507 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 508 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 509 510 Tokens = annotate("FOO(a:b:c)\n", Style); 511 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 512 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 513 } 514 515 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 516 auto Tokens = annotate("delete (void *)p;"); 517 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 518 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 519 520 Tokens = annotate("delete[] (void *)p;"); 521 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 522 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 523 524 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 525 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 526 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 527 528 Tokens = annotate("delete[/*comment*/] (void *)p;"); 529 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 530 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 531 532 Tokens = annotate("delete/*comment*/[] (void *)p;"); 533 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 534 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 535 } 536 537 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 538 auto Tokens = annotate("(void)p;"); 539 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 540 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 541 542 Tokens = annotate("auto x = (Foo)p;"); 543 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 544 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 545 546 Tokens = annotate("(std::vector<int>)p;"); 547 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 548 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 549 550 Tokens = annotate("return (Foo)p;"); 551 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 552 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 553 554 Tokens = annotate("throw (Foo)p;"); 555 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 556 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 557 558 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 559 EXPECT_EQ(Tokens.size(), 21u) << Tokens; 560 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 561 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 562 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 563 564 Tokens = annotate("return (Foo) & 10;"); 565 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 566 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 567 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 568 } 569 570 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 571 auto Tokens = annotate("void f() throw(int);"); 572 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 573 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 574 } 575 576 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 577 auto Tokens = annotate("void f() &;"); 578 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 579 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 580 581 Tokens = annotate("void operator=(T) &&;"); 582 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 583 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 584 585 Tokens = annotate("template <typename T> void f() &;"); 586 EXPECT_EQ(Tokens.size(), 12u) << Tokens; 587 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 588 589 Tokens = annotate("template <typename T> void operator=(T) &;"); 590 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 591 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 592 } 593 594 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 595 auto Tokens = annotate("x.operator+()"); 596 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 597 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 598 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 599 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 600 Tokens = annotate("x.operator=()"); 601 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 602 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 603 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 604 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 605 Tokens = annotate("x.operator+=()"); 606 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 607 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 608 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 609 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 610 Tokens = annotate("x.operator,()"); 611 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 612 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 613 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 614 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 615 Tokens = annotate("x.operator()()"); 616 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 617 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 618 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 619 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 620 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 621 Tokens = annotate("x.operator[]()"); 622 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 623 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 624 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 625 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 626 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 627 Tokens = annotate("x.operator\"\"_a()"); 628 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 629 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 630 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 631 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 632 Tokens = annotate("x.operator\"\" _a()"); 633 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 634 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 635 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 636 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 637 Tokens = annotate("x.operator\"\"if()"); 638 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 639 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 640 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 641 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 642 Tokens = annotate("x.operator\"\"s()"); 643 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 644 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 645 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 646 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 647 Tokens = annotate("x.operator\"\" s()"); 648 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 649 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 650 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 651 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 652 653 Tokens = annotate("int operator+(int);"); 654 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 655 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 656 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 657 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 658 Tokens = annotate("auto operator=(T&) {}"); 659 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 660 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 661 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 662 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 663 Tokens = annotate("auto operator()() {}"); 664 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 665 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 666 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 667 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 668 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 669 670 Tokens = annotate("class Foo {\n" 671 " int operator+(a* b);\n" 672 "}"); 673 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 674 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 675 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 676 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 677 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 678 679 Tokens = annotate("class Foo {\n" 680 " int c = operator+(a * b);\n" 681 "}"); 682 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 683 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 684 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 685 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 686 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 687 688 Tokens = annotate("void foo() {\n" 689 " operator+(a * b);\n" 690 "}"); 691 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 692 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 693 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 694 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 695 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 696 697 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 698 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 699 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 700 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 701 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 702 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 703 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 704 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 705 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 706 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 707 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 708 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 709 710 Tokens = annotate("class Foo {\n" 711 " void foo() {\n" 712 " operator+(a * b);\n" 713 " }\n" 714 "}"); 715 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 716 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 717 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 718 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 719 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 720 721 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 722 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 723 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 724 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 725 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 726 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 727 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 728 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 729 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 730 } 731 732 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 733 struct { 734 const char *Text; 735 tok::TokenKind Kind; 736 } Operators[] = {{"+", tok::plus}, 737 {"-", tok::minus}, 738 // FIXME: 739 // {"*", tok::star}, 740 {"/", tok::slash}, 741 {"%", tok::percent}, 742 {"^", tok::caret}, 743 // FIXME: 744 // {"&", tok::amp}, 745 {"|", tok::pipe}, 746 {"~", tok::tilde}, 747 {"!", tok::exclaim}, 748 {"=", tok::equal}, 749 // FIXME: 750 // {"<", tok::less}, 751 {">", tok::greater}, 752 {"+=", tok::plusequal}, 753 {"-=", tok::minusequal}, 754 {"*=", tok::starequal}, 755 {"/=", tok::slashequal}, 756 {"%=", tok::percentequal}, 757 {"^=", tok::caretequal}, 758 {"&=", tok::ampequal}, 759 {"|=", tok::pipeequal}, 760 {"<<", tok::lessless}, 761 {">>", tok::greatergreater}, 762 {">>=", tok::greatergreaterequal}, 763 {"<<=", tok::lesslessequal}, 764 {"==", tok::equalequal}, 765 {"!=", tok::exclaimequal}, 766 {"<=", tok::lessequal}, 767 {">=", tok::greaterequal}, 768 {"<=>", tok::spaceship}, 769 {"&&", tok::ampamp}, 770 {"||", tok::pipepipe}, 771 {"++", tok::plusplus}, 772 {"--", tok::minusminus}, 773 {",", tok::comma}, 774 {"->*", tok::arrowstar}, 775 {"->", tok::arrow}}; 776 777 for (const auto &Operator : Operators) { 778 std::string Input("C<&operator"); 779 Input += Operator.Text; 780 Input += " > a;"; 781 auto Tokens = annotate(std::string(Input)); 782 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 783 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 784 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 785 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 786 } 787 788 auto Tokens = annotate("C<&operator< <X>> lt;"); 789 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 790 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 791 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 792 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 793 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 794 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 795 } 796 797 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 798 auto Tokens = annotate("template <typename T>\n" 799 "concept C = (Foo && Bar) && (Bar && Baz);"); 800 801 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 802 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 803 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 804 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 805 806 Tokens = annotate("template <typename T>\n" 807 "concept C = Foo && !Bar;"); 808 809 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 810 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 811 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 812 813 Tokens = annotate("template <typename T>\n" 814 "concept C = requires(T t) {\n" 815 " { t.foo() };\n" 816 "} && Bar<T> && Baz<T>;"); 817 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 818 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 819 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 820 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 821 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 822 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 823 824 Tokens = annotate("template<typename T>\n" 825 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 826 "struct Foo;"); 827 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 828 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 829 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 830 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 831 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 832 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 833 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 834 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 835 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 836 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 837 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 838 839 Tokens = 840 annotate("template<typename T>\n" 841 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 842 "struct Foo;"); 843 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 844 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 845 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 846 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 847 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 848 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 849 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 850 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 851 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 852 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 853 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 854 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 855 856 Tokens = annotate("template <typename T>\n" 857 "void foo(T) noexcept requires Bar<T>;"); 858 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 859 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 860 861 Tokens = annotate("template <typename T>\n" 862 "requires Bar<T> || Baz<T>\n" 863 "auto foo(T) -> int;"); 864 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 865 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 866 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 867 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 868 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 869 870 Tokens = annotate("template <typename T>\n" 871 "requires Bar<T>\n" 872 "bool foo(T) { return false; }"); 873 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 874 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 875 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 876 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 877 878 Tokens = annotate("template <typename T>\n" 879 "requires Bar<T>\n" 880 "decltype(auto) foo(T) { return false; }"); 881 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 882 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 883 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 884 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 885 886 Tokens = annotate("template <typename T>\n" 887 "struct S {\n" 888 " void foo() const requires Bar<T>;\n" 889 " void bar() const & requires Baz<T>;\n" 890 " void bar() && requires Baz2<T>;\n" 891 " void baz() const & noexcept requires Baz<T>;\n" 892 " void baz() && noexcept requires Baz2<T>;\n" 893 "};\n" 894 "\n" 895 "void S::bar() const & requires Baz<T> { }"); 896 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 897 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 898 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 899 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 900 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 901 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 902 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 903 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 904 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 905 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 906 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 907 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 908 909 Tokens = annotate("void Class::member() && requires(Constant) {}"); 910 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 911 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 912 913 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 914 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 915 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 916 917 Tokens = 918 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 919 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 920 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 921 922 Tokens = annotate("void Class::member() && requires(typename " 923 "Namespace::Outer<T>::Inner::Constant) {}"); 924 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 925 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 926 927 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 928 " template<class T>\n" 929 " requires requires { number_zero_v<T>; }\n" 930 " [[nodiscard]] constexpr operator T() const { " 931 "return number_zero_v<T>; }\n" 932 "};"); 933 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 934 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 935 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 936 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 937 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 938 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 939 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 940 941 Tokens = 942 annotate("template <class A, class B> concept C =" 943 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 944 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 945 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 946 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 947 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 948 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 949 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 950 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 951 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 952 953 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 954 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 955 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 956 957 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 958 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 959 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 960 961 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 962 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 963 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 964 965 Tokens = 966 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 967 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 968 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 969 970 Tokens = 971 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 972 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 973 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 974 975 Tokens = 976 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 977 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 978 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 979 980 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 981 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 982 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 983 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 984 985 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 986 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 987 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 988 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 989 990 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 991 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 992 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 993 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 994 995 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 996 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 997 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 998 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 999 } 1000 1001 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1002 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1003 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1004 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1005 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1006 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1007 1008 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1009 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1010 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1011 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1012 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1013 1014 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1015 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1016 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1017 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1018 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1019 1020 Tokens = annotate("foo(requires(const T t) {});"); 1021 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1022 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1023 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1024 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1025 1026 Tokens = annotate("foo(requires(const int t) {});"); 1027 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1028 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1029 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1030 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1031 1032 Tokens = annotate("foo(requires(const T t) {});"); 1033 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1034 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1035 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1036 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1037 1038 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1039 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1040 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1041 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1042 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1043 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1044 1045 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1046 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1047 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1048 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1049 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1050 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1051 1052 Tokens = annotate("foo(requires(T& t) {});"); 1053 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1054 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1055 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1056 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1057 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1058 1059 Tokens = annotate("foo(requires(T&& t) {});"); 1060 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1061 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1062 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1063 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1064 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1065 1066 Tokens = annotate("bool foo = requires(T& t) {};"); 1067 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1068 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1069 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1070 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1071 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1072 1073 Tokens = annotate("bool foo = requires(T&& t) {};"); 1074 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1075 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1076 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1077 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1078 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1079 1080 Tokens = 1081 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1082 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1083 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1084 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1085 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1086 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1087 1088 Tokens = annotate("template <typename T>\n" 1089 "concept C = requires(T T) {\n" 1090 " requires Bar<T> && Foo<T>;\n" 1091 "};"); 1092 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1093 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1094 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1095 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1096 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1097 TT_RequiresClauseInARequiresExpression); 1098 1099 Tokens = annotate("template <typename T>\n" 1100 "concept C = requires(T T) {\n" 1101 " { t.func() } -> std::same_as<int>;" 1102 " requires Bar<T> && Foo<T>;\n" 1103 "};"); 1104 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1105 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1106 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1107 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1108 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1109 TT_RequiresClauseInARequiresExpression); 1110 1111 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1112 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1113 "requires true; };"); 1114 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1115 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1116 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1117 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1118 } 1119 1120 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1121 // Everything after #pragma region should be ImplicitStringLiteral 1122 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1123 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1124 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1125 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1126 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1127 1128 // Make sure it's annotated correctly inside a function as well 1129 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1130 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1131 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1132 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1133 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1134 } 1135 1136 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1137 const char *BaseCode = nullptr; 1138 const char *ConstrainedCode = nullptr; 1139 auto BaseTokenCount = 0u; 1140 auto RequiresTokenCount = 0u; 1141 auto PrefixTokenCount = 0u; 1142 1143 auto TestRequires = [&](int Line) { 1144 const auto BaseTokens = annotate(BaseCode); 1145 const auto ConstrainedTokens = annotate(ConstrainedCode); 1146 1147 #define LINE " (Line " << Line << ')' 1148 1149 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1150 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1151 << LINE; 1152 1153 for (auto I = 0u; I < BaseTokenCount; ++I) { 1154 EXPECT_EQ( 1155 *BaseTokens[I], 1156 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1157 << I << LINE; 1158 } 1159 1160 #undef LINE 1161 }; 1162 1163 BaseCode = "template<typename T>\n" 1164 "T Pi = 3.14;"; 1165 ConstrainedCode = "template<typename T>\n" 1166 " requires Foo<T>\n" 1167 "T Pi = 3.14;"; 1168 BaseTokenCount = 11; 1169 RequiresTokenCount = 5; 1170 PrefixTokenCount = 5; 1171 TestRequires(__LINE__); 1172 1173 BaseCode = "template<typename T>\n" 1174 "struct Bar;"; 1175 ConstrainedCode = "template<typename T>\n" 1176 " requires Foo<T>\n" 1177 "struct Bar;"; 1178 BaseTokenCount = 9; 1179 TestRequires(__LINE__); 1180 1181 BaseCode = "template<typename T>\n" 1182 "struct Bar {\n" 1183 " T foo();\n" 1184 " T bar();\n" 1185 "};"; 1186 ConstrainedCode = "template<typename T>\n" 1187 " requires Foo<T>\n" 1188 "struct Bar {\n" 1189 " T foo();\n" 1190 " T bar();\n" 1191 "};"; 1192 BaseTokenCount = 21; 1193 TestRequires(__LINE__); 1194 1195 BaseCode = "template<typename T>\n" 1196 "Bar(T) -> Bar<T>;"; 1197 ConstrainedCode = "template<typename T>\n" 1198 " requires Foo<T>\n" 1199 "Bar(T) -> Bar<T>;"; 1200 BaseTokenCount = 16; 1201 TestRequires(__LINE__); 1202 1203 BaseCode = "template<typename T>\n" 1204 "T foo();"; 1205 ConstrainedCode = "template<typename T>\n" 1206 " requires Foo<T>\n" 1207 "T foo();"; 1208 BaseTokenCount = 11; 1209 TestRequires(__LINE__); 1210 1211 BaseCode = "template<typename T>\n" 1212 "T foo() {\n" 1213 " auto bar = baz();\n" 1214 " return bar + T{};\n" 1215 "}"; 1216 ConstrainedCode = "template<typename T>\n" 1217 " requires Foo<T>\n" 1218 "T foo() {\n" 1219 " auto bar = baz();\n" 1220 " return bar + T{};\n" 1221 "}"; 1222 BaseTokenCount = 26; 1223 TestRequires(__LINE__); 1224 1225 BaseCode = "template<typename T>\n" 1226 "T foo();"; 1227 ConstrainedCode = "template<typename T>\n" 1228 "T foo() requires Foo<T>;"; 1229 BaseTokenCount = 11; 1230 PrefixTokenCount = 9; 1231 TestRequires(__LINE__); 1232 1233 BaseCode = "template<typename T>\n" 1234 "T foo() {\n" 1235 " auto bar = baz();\n" 1236 " return bar + T{};\n" 1237 "}"; 1238 ConstrainedCode = "template<typename T>\n" 1239 "T foo() requires Foo<T> {\n" 1240 " auto bar = baz();\n" 1241 " return bar + T{};\n" 1242 "}"; 1243 BaseTokenCount = 26; 1244 TestRequires(__LINE__); 1245 1246 BaseCode = "template<typename T>\n" 1247 "T foo();"; 1248 ConstrainedCode = "template<typename T>\n" 1249 " requires(Foo<T>)\n" 1250 "T foo();"; 1251 BaseTokenCount = 11; 1252 RequiresTokenCount = 7; 1253 PrefixTokenCount = 5; 1254 TestRequires(__LINE__); 1255 1256 BaseCode = "template<typename T>\n" 1257 "Bar(T) -> Bar<typename T::I>;"; 1258 ConstrainedCode = "template<typename T>\n" 1259 " requires requires(T &&t) {\n" 1260 " typename T::I;\n" 1261 " }\n" 1262 "Bar(T) -> Bar<typename T::I>;"; 1263 BaseTokenCount = 19; 1264 RequiresTokenCount = 14; 1265 PrefixTokenCount = 5; 1266 TestRequires(__LINE__); 1267 1268 BaseCode = "struct [[nodiscard]] zero_t {\n" 1269 " template<class T>\n" 1270 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1271 "};"; 1272 ConstrainedCode = 1273 "struct [[nodiscard]] zero_t {\n" 1274 " template<class T>\n" 1275 " requires requires { v<T>; }\n" 1276 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1277 "};"; 1278 BaseTokenCount = 35; 1279 RequiresTokenCount = 9; 1280 PrefixTokenCount = 13; 1281 TestRequires(__LINE__); 1282 1283 BaseCode = "constexpr Foo(Foo const &other)\n" 1284 " : value{other.value} {\n" 1285 " do_magic();\n" 1286 " do_more_magic();\n" 1287 "}"; 1288 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1289 " requires std::is_copy_constructible<T>\n" 1290 " : value{other.value} {\n" 1291 " do_magic();\n" 1292 " do_more_magic();\n" 1293 "}"; 1294 BaseTokenCount = 26; 1295 RequiresTokenCount = 7; 1296 PrefixTokenCount = 8; 1297 TestRequires(__LINE__); 1298 1299 BaseCode = "constexpr Foo(Foo const &other)\n" 1300 " : value{other.value} {\n" 1301 " do_magic();\n" 1302 " do_more_magic();\n" 1303 "}"; 1304 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1305 " requires (std::is_copy_constructible<T>)\n" 1306 " : value{other.value} {\n" 1307 " do_magic();\n" 1308 " do_more_magic();\n" 1309 "}"; 1310 RequiresTokenCount = 9; 1311 TestRequires(__LINE__); 1312 } 1313 1314 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1315 auto Tokens = annotate("__asm{\n" 1316 "a:\n" 1317 "};"); 1318 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1319 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1320 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1321 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1322 } 1323 1324 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1325 auto Tokens = annotate("int (^)() = ^ ()\n" 1326 " external_source_symbol() { //\n" 1327 " return 1;\n" 1328 "};"); 1329 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1330 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1331 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1332 1333 Tokens = annotate("int *p = ^int*(){ //\n" 1334 " return nullptr;\n" 1335 "}();"); 1336 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1337 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1338 } 1339 1340 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1341 auto Tokens = annotate("void f() {\n" 1342 " //\n" 1343 " BOOL a = [b.c n] > 1;\n" 1344 "}"); 1345 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 1346 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1347 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1348 } 1349 1350 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1351 auto Tokens = annotate("[]() constexpr {}"); 1352 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1353 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1354 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1355 1356 Tokens = annotate("[]() consteval {}"); 1357 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1358 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1359 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1360 1361 Tokens = annotate("[]() mutable {}"); 1362 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1363 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1364 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1365 1366 Tokens = annotate("[]() static {}"); 1367 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1368 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1369 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1370 1371 Tokens = annotate("[]() -> auto {}"); 1372 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1373 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1374 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1375 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1376 1377 Tokens = annotate("[]() -> auto & {}"); 1378 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1379 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1380 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1381 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1382 1383 Tokens = annotate("[]() -> auto * {}"); 1384 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1385 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1386 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1387 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1388 1389 Tokens = annotate("[] {}"); 1390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1391 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1392 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1393 1394 Tokens = annotate("[] noexcept {}"); 1395 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1396 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1397 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1398 1399 Tokens = annotate("[] -> auto {}"); 1400 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1401 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1402 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1403 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1404 1405 Tokens = annotate("[] <typename T> () {}"); 1406 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1407 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1408 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1409 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1410 1411 Tokens = annotate("[] <typename T> {}"); 1412 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1413 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1414 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1415 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1416 1417 Tokens = annotate("[] <typename... T> () {}"); 1418 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1419 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1420 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1421 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1422 1423 Tokens = annotate("[] <typename... T> {}"); 1424 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1425 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1426 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1427 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1428 1429 Tokens = annotate("[] <int... T> () {}"); 1430 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1431 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1432 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1433 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1434 1435 Tokens = annotate("[] <int... T> {}"); 1436 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1437 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1438 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1439 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1440 1441 Tokens = annotate("[] <Foo... T> () {}"); 1442 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1443 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1444 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1445 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1446 1447 Tokens = annotate("[] <Foo... T> {}"); 1448 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1449 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1450 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1451 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1452 1453 // Lambdas with a requires-clause 1454 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1455 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1456 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1457 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1458 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1459 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1460 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1461 1462 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1463 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1464 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1465 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1466 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1467 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1468 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1469 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1470 1471 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1472 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1473 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1474 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1475 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1476 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1477 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1478 1479 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1480 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1481 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1482 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1483 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1484 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1485 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1486 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1487 1488 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1489 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1490 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1491 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1492 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1493 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1494 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1495 1496 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1497 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1498 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1499 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1500 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1501 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1502 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1503 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1504 1505 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1506 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1507 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1508 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1509 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1510 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1511 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1512 1513 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1514 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1515 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1516 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1517 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1518 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1519 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1520 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1521 1522 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1523 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1524 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1525 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1526 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1527 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1528 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1529 1530 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1531 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1532 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1533 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1534 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1535 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1536 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1537 1538 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1539 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1540 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1541 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1542 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1543 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1544 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1545 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1546 1547 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1548 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1549 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1550 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1551 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1552 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1553 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1554 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1555 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1556 } 1557 1558 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1559 auto Tokens = annotate("template <typename T>\n" 1560 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1561 "string OldFunction(const string ¶meter) {}"); 1562 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1563 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1564 1565 Tokens = annotate("template <typename T>\n" 1566 "A(T) noexcept;"); 1567 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1568 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1569 } 1570 1571 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1572 auto Tokens = annotate("void f [[noreturn]] ();"); 1573 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1574 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1575 1576 Tokens = annotate("void f [[noreturn]] () {}"); 1577 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1578 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1579 } 1580 1581 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1582 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1583 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1584 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1585 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1586 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1587 } 1588 1589 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1590 auto Tokens = annotate("auto f() -> int;"); 1591 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1592 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1593 1594 Tokens = annotate("auto operator->() -> int;"); 1595 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1596 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1597 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1598 1599 Tokens = annotate("auto operator++(int) -> int;"); 1600 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1601 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1602 1603 Tokens = annotate("auto operator=() -> int;"); 1604 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1605 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1606 1607 Tokens = annotate("auto operator=(int) -> int;"); 1608 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1609 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1610 1611 Tokens = annotate("auto foo() -> auto { return Val; }"); 1612 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1613 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1614 1615 Tokens = annotate("struct S { auto bar() const -> int; };"); 1616 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1617 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1618 1619 // Not trailing return arrows 1620 Tokens = annotate("auto a = b->c;"); 1621 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1622 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1623 1624 Tokens = annotate("auto a = (b)->c;"); 1625 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1626 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1627 1628 Tokens = annotate("auto a = b()->c;"); 1629 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1630 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1631 1632 Tokens = annotate("auto a = b->c();"); 1633 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1634 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1635 1636 Tokens = annotate("decltype(auto) a = b()->c;"); 1637 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1638 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1639 1640 Tokens = annotate("void f() { auto a = b->c(); }"); 1641 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1642 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1643 1644 Tokens = annotate("void f() { auto a = b()->c; }"); 1645 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1646 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1647 1648 // Mixed 1649 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1650 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1651 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1652 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1653 } 1654 1655 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 1656 auto Annotate = [this](llvm::StringRef Code) { 1657 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 1658 }; 1659 // Test that unary operators get labeled as such and that operators like '++' 1660 // don't get split. 1661 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 1662 tok::tilde, tok::amp, tok::pipe, 1663 tok::caret, tok::plusplus, tok::minusminus}; 1664 for (auto Kind : Unary) { 1665 auto Tokens = 1666 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 1667 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1668 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 1669 } 1670 // Operators formed by joining two operators like '^~'. For some of these 1671 // joined operators, we don't have a separate type, so we only test for their 1672 // precedence. 1673 std::pair<prec::Level, std::string> JoinedBinary[] = { 1674 {prec::Comma, "<->"}, {prec::Assignment, "+="}, 1675 {prec::Assignment, "-="}, {prec::Assignment, "*="}, 1676 {prec::Assignment, "/="}, {prec::Assignment, "%="}, 1677 {prec::Assignment, "&="}, {prec::Assignment, "^="}, 1678 {prec::Assignment, "<<="}, {prec::Assignment, ">>="}, 1679 {prec::Assignment, "<<<="}, {prec::Assignment, ">>>="}, 1680 {prec::LogicalOr, "||"}, {prec::LogicalAnd, "&&"}, 1681 {prec::Equality, "=="}, {prec::Equality, "!="}, 1682 {prec::Equality, "==="}, {prec::Equality, "!=="}, 1683 {prec::Equality, "==?"}, {prec::Equality, "!=?"}, 1684 {prec::ExclusiveOr, "~^"}, {prec::ExclusiveOr, "^~"}, 1685 }; 1686 for (auto Operator : JoinedBinary) { 1687 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 1688 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1689 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 1690 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 1691 } 1692 // '~^' and '^~' can be unary as well as binary operators. 1693 auto Tokens = Annotate("x = ~^x;"); 1694 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1695 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 1696 Tokens = Annotate("x = ^~x;"); 1697 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1698 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 1699 // The unary operators '~&' and '~|' can only be unary operators. The current 1700 // implementation treats each of them as separate unary '~' and '&' or '|' 1701 // operators, which is enough for formatting purposes. In FormatTestVerilog, 1702 // there is a test that there is no space in between. And even if a new line 1703 // is inserted between the '~' and '|', the semantic meaning is the same as 1704 // the joined operator, so the CanBreakBefore property doesn't need to be 1705 // false for the second operator. 1706 Tokens = Annotate("x = ~&x;"); 1707 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1708 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 1709 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 1710 Tokens = Annotate("x = ~|x;"); 1711 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1712 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 1713 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 1714 // Test for block label colons. 1715 Tokens = Annotate("begin : x\n" 1716 "end : x"); 1717 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1718 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 1719 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 1720 // Test that the dimension colon is annotated correctly. 1721 Tokens = Annotate("var [1 : 0] x;"); 1722 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1723 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 1724 Tokens = Annotate("extern function [1 : 0] x;"); 1725 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1726 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 1727 Tokens = Annotate("module test\n" 1728 " (input wire [7 : 0] a[7 : 0]);\n" 1729 "endmodule"); 1730 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1731 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 1732 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 1733 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 1734 // Test case labels and ternary operators. 1735 Tokens = Annotate("case (x)\n" 1736 " x:\n" 1737 " x;\n" 1738 "endcase\n"); 1739 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1740 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 1741 Tokens = Annotate("case (x)\n" 1742 " x ? x : x:\n" 1743 " x;\n" 1744 "endcase\n"); 1745 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1746 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 1747 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 1748 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 1749 // Non-blocking assignments. 1750 Tokens = Annotate("a <= b;"); 1751 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1752 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 1753 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 1754 Tokens = Annotate("if (a <= b) break;"); 1755 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1756 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 1757 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 1758 Tokens = Annotate("a <= b <= a;"); 1759 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1760 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 1761 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 1762 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 1763 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 1764 1765 // Port lists in module instantiation. 1766 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 1767 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1768 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 1769 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 1770 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 1771 "instance_2(port_2);"); 1772 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1773 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 1774 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 1775 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 1776 1777 // Condition parentheses. 1778 Tokens = Annotate("assert (x);"); 1779 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1780 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 1781 Tokens = Annotate("assert #0 (x);"); 1782 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1783 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 1784 Tokens = Annotate("assert final (x);"); 1785 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1786 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 1787 Tokens = Annotate("foreach (x[x]) continue;"); 1788 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1789 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 1790 Tokens = Annotate("repeat (x[x]) continue;"); 1791 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1792 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 1793 Tokens = Annotate("case (x) endcase;"); 1794 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1795 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 1796 1797 // Sensitivity list. The TT_Unknown type is clearly not binding for the 1798 // future, please adapt if those tokens get annotated. This test is only here 1799 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 1800 Tokens = Annotate("always @(posedge x, posedge y);"); 1801 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1802 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 1803 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 1804 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1805 } 1806 1807 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 1808 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 1809 1810 // The TT_Unknown is clearly not binding for the future, please adapt if those 1811 // tokens get annotated. 1812 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1813 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 1814 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1815 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 1816 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1817 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 1818 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 1819 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 1820 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 1821 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1822 1823 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 1824 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1825 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 1826 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1827 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 1828 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 1829 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 1830 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 1831 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 1832 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 1833 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1834 } 1835 1836 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 1837 auto Tokens = annotate("if (x) {}"); 1838 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1839 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 1840 Tokens = annotate("if constexpr (x) {}"); 1841 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1842 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 1843 Tokens = annotate("if CONSTEXPR (x) {}"); 1844 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1845 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 1846 Tokens = annotate("if (x) {} else if (x) {}"); 1847 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1848 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 1849 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 1850 } 1851 1852 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 1853 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 1854 1855 auto Tokens = annotate("int? a;", Style); 1856 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 1857 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 1858 1859 Tokens = annotate("int? a = 1;", Style); 1860 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 1861 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 1862 1863 Tokens = annotate("int?)", Style); 1864 EXPECT_EQ(Tokens.size(), 4u) << Tokens; 1865 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 1866 1867 Tokens = annotate("int?>", Style); 1868 EXPECT_EQ(Tokens.size(), 4u) << Tokens; 1869 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 1870 1871 Tokens = annotate("cond? id : id2", Style); 1872 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 1873 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 1874 1875 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 1876 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 1877 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 1878 } 1879 1880 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 1881 auto Tokens = annotate("{ x: break; }"); 1882 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1883 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 1884 Tokens = annotate("{ case x: break; }"); 1885 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1886 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 1887 Tokens = annotate("{ x: { break; } }"); 1888 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1889 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 1890 Tokens = annotate("{ case x: { break; } }"); 1891 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1892 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 1893 } 1894 1895 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 1896 // The closing braces are not annotated. It doesn't seem to cause a problem. 1897 // So we only test for the opening braces. 1898 auto Tokens = annotate("{\n" 1899 " {\n" 1900 " { int a = 0; }\n" 1901 " }\n" 1902 " {}\n" 1903 "}"); 1904 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1905 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 1906 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 1907 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 1908 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 1909 } 1910 1911 } // namespace 1912 } // namespace format 1913 } // namespace clang 1914