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_TOKEN(FormatTok, Kind, Type) \ 44 do { \ 45 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 46 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 47 } while (false) 48 49 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 50 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 51 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 52 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 53 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 54 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 55 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 56 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 57 58 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 59 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 60 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 61 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 62 63 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 64 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 65 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 66 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 67 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 68 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 69 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 70 71 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 72 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 73 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 74 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 75 76 Tokens = annotate("void f() {\n" 77 " while (p < a && *p == 'a')\n" 78 " p++;\n" 79 "}"); 80 EXPECT_EQ(Tokens.size(), 21u) << Tokens; 81 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 82 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 83 84 Tokens = annotate("case *x:"); 85 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 86 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 87 Tokens = annotate("case &x:"); 88 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 89 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 90 91 Tokens = annotate("bool b = 3 == int{3} && true;\n"); 92 EXPECT_EQ(Tokens.size(), 13u) << Tokens; 93 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 94 95 Tokens = annotate("struct {\n" 96 "} *ptr;"); 97 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 98 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 99 Tokens = annotate("union {\n" 100 "} *ptr;"); 101 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 102 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 103 Tokens = annotate("class {\n" 104 "} *ptr;"); 105 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 106 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 107 108 Tokens = annotate("struct {\n" 109 "} &&ptr = {};"); 110 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 111 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 112 Tokens = annotate("union {\n" 113 "} &&ptr = {};"); 114 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 115 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 116 Tokens = annotate("class {\n" 117 "} &&ptr = {};"); 118 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 119 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 120 Tokens = annotate("int i = int{42} * 2;"); 121 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 122 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 123 124 Tokens = annotate("delete[] *ptr;"); 125 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 126 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 127 Tokens = annotate("delete[] **ptr;"); 128 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 129 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 130 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 131 Tokens = annotate("delete[] *(ptr);"); 132 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 133 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 134 } 135 136 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 137 auto Tokens = annotate("x - 0"); 138 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 139 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 140 Tokens = annotate("0 + 0"); 141 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 142 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 143 Tokens = annotate("x + +0"); 144 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 145 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 146 Tokens = annotate("x ? -0 : +0"); 147 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 148 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 149 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 150 Tokens = annotate("(-0)"); 151 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 152 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 153 Tokens = annotate("0, -0"); 154 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 155 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 156 Tokens = annotate("for (; -1;) {\n}"); 157 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 158 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 159 Tokens = annotate("x = -1;"); 160 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 161 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 162 Tokens = annotate("x[-1]"); 163 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 164 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 165 Tokens = annotate("x = {-1};"); 166 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 167 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 168 Tokens = annotate("case -x:"); 169 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 170 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 171 Tokens = annotate("co_await -x;"); 172 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 173 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 174 Tokens = annotate("co_return -x;"); 175 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 176 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 177 Tokens = annotate("co_yield -x;"); 178 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 179 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 180 Tokens = annotate("delete -x;"); 181 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 182 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 183 Tokens = annotate("return -x;"); 184 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 185 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 186 Tokens = annotate("throw -x;"); 187 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 188 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 189 Tokens = annotate("sizeof -x"); 190 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 191 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 192 Tokens = annotate("co_await +x;"); 193 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 194 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 195 Tokens = annotate("co_return +x;"); 196 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 197 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 198 Tokens = annotate("co_yield +x;"); 199 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 200 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 201 Tokens = annotate("delete +x;"); 202 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 203 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 204 Tokens = annotate("return +x;"); 205 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 206 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 207 Tokens = annotate("throw +x;"); 208 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 209 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 210 Tokens = annotate("sizeof +x"); 211 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 212 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 213 Tokens = annotate("(int)-x"); 214 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 215 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 216 Tokens = annotate("(-x)"); 217 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 218 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 219 Tokens = annotate("!+x"); 220 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 221 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 222 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 223 } 224 225 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 226 auto Tokens = annotate("class C {};"); 227 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 228 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 229 230 Tokens = annotate("const class C {} c;"); 231 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 232 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 233 234 Tokens = annotate("const class {} c;"); 235 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 236 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 237 } 238 239 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 240 auto Tokens = annotate("struct S {};"); 241 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 242 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 243 } 244 245 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 246 auto Tokens = annotate("union U {};"); 247 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 248 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 249 250 Tokens = annotate("union U { void f() { return; } };"); 251 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 252 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 253 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 254 } 255 256 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 257 auto Tokens = annotate("enum E {};"); 258 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 259 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 260 } 261 262 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 263 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 264 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 265 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 266 267 Tokens = annotate("template <typename T> void F(T) && = delete;"); 268 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 269 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 270 } 271 272 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 273 auto Tokens = 274 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 275 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 276 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 277 } 278 279 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 280 auto Tokens = 281 annotate("template <typename T> " 282 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 283 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 284 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 285 } 286 287 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 288 FormatStyle Style = getLLVMStyle(); 289 Style.WhitespaceSensitiveMacros.push_back("FOO"); 290 291 auto Tokens = annotate("FOO(1+2 )\n", Style); 292 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 293 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 294 295 Tokens = annotate("FOO(a:b:c)\n", Style); 296 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 297 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 298 } 299 300 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 301 auto Tokens = annotate("delete (void *)p;"); 302 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 303 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 304 305 Tokens = annotate("delete[] (void *)p;"); 306 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 307 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 308 309 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 310 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 311 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 312 313 Tokens = annotate("delete[/*comment*/] (void *)p;"); 314 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 315 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 316 317 Tokens = annotate("delete/*comment*/[] (void *)p;"); 318 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 319 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 320 } 321 322 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 323 auto Tokens = annotate("void f() &;"); 324 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 325 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 326 327 Tokens = annotate("void operator=(T) &&;"); 328 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 329 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 330 331 Tokens = annotate("template <typename T> void f() &;"); 332 EXPECT_EQ(Tokens.size(), 12u) << Tokens; 333 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 334 335 Tokens = annotate("template <typename T> void operator=(T) &;"); 336 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 337 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 338 } 339 340 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 341 auto Tokens = annotate("template <typename T>\n" 342 "concept C = (Foo && Bar) && (Bar && Baz);"); 343 344 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 345 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 346 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 347 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 348 349 Tokens = annotate("template <typename T>\n" 350 "concept C = requires(T t) {\n" 351 " { t.foo() };\n" 352 "} && Bar<T> && Baz<T>;"); 353 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 354 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 355 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 356 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 357 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 358 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 359 360 Tokens = annotate("template<typename T>\n" 361 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 362 "struct Foo;"); 363 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 364 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 365 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 366 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 367 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 368 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 369 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 370 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 371 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 372 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 373 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 374 375 Tokens = 376 annotate("template<typename T>\n" 377 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 378 "struct Foo;"); 379 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 380 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 381 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 382 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 383 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 384 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 385 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 386 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 387 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 388 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 389 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 390 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 391 392 Tokens = annotate("template <typename T>\n" 393 "void foo(T) noexcept requires Bar<T>;"); 394 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 395 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 396 397 Tokens = annotate("template <typename T>\n" 398 "struct S {\n" 399 " void foo() const requires Bar<T>;\n" 400 " void bar() const & requires Baz<T>;\n" 401 " void bar() && requires Baz2<T>;\n" 402 " void baz() const & noexcept requires Baz<T>;\n" 403 " void baz() && noexcept requires Baz2<T>;\n" 404 "};\n" 405 "\n" 406 "void S::bar() const & requires Baz<T> { }"); 407 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 408 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 409 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 410 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 411 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 412 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 413 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 414 415 Tokens = annotate("void Class::member() && requires(Constant) {}"); 416 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 417 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 418 419 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 420 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 421 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 422 423 Tokens = 424 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 425 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 426 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 427 428 Tokens = annotate("void Class::member() && requires(typename " 429 "Namespace::Outer<T>::Inner::Constant) {}"); 430 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 431 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 432 433 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 434 " template<class T>\n" 435 " requires requires { number_zero_v<T>; }\n" 436 " [[nodiscard]] constexpr operator T() const { " 437 "return number_zero_v<T>; }\n" 438 "};"); 439 ASSERT_EQ(Tokens.size(), 44u); 440 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 441 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 442 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 443 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 444 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 445 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 446 447 Tokens = 448 annotate("template <class A, class B> concept C =" 449 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 450 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 451 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 452 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 453 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 454 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 455 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 456 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 457 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 458 459 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 460 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 461 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 462 463 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 464 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 465 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 466 467 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 468 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 469 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 470 471 Tokens = 472 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 473 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 474 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 475 476 Tokens = 477 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 478 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 479 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 480 481 Tokens = 482 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 483 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 484 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 485 } 486 487 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 488 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 489 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 490 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 491 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 492 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 493 494 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 495 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 496 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 497 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 498 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 499 500 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 501 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 502 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 503 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 504 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 505 506 Tokens = annotate("foo(requires(const T t) {});"); 507 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 508 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 509 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 510 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 511 512 Tokens = annotate("foo(requires(const int t) {});"); 513 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 514 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 515 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 516 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 517 518 Tokens = annotate("foo(requires(const T t) {});"); 519 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 520 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 521 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 522 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 523 524 Tokens = annotate("foo(requires(int const* volatile t) {});"); 525 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 526 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 527 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 528 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 529 530 Tokens = annotate("foo(requires(T const* volatile t) {});"); 531 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 532 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 533 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 534 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 535 536 Tokens = 537 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 538 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 539 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 540 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 541 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 542 543 Tokens = annotate("template <typename T>\n" 544 "concept C = requires(T T) {\n" 545 " requires Bar<T> && Foo<T>;\n" 546 "};"); 547 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 548 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 549 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 550 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 551 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 552 TT_RequiresClauseInARequiresExpression); 553 554 Tokens = annotate("template <typename T>\n" 555 "concept C = requires(T T) {\n" 556 " { t.func() } -> std::same_as<int>;" 557 " requires Bar<T> && Foo<T>;\n" 558 "};"); 559 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 560 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 561 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 562 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 563 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 564 TT_RequiresClauseInARequiresExpression); 565 566 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 567 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 568 "requires true; };"); 569 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 570 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 571 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 572 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 573 } 574 575 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 576 const char *BaseCode = nullptr; 577 const char *ConstrainedCode = nullptr; 578 auto BaseTokenCount = 0u; 579 auto RequiresTokenCount = 0u; 580 auto PrefixTokenCount = 0u; 581 582 auto TestRequires = [&](int Line) { 583 const auto BaseTokens = annotate(BaseCode); 584 const auto ConstrainedTokens = annotate(ConstrainedCode); 585 586 #define LINE " (Line " << Line << ')' 587 588 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 589 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 590 << LINE; 591 592 for (auto I = 0u; I < BaseTokenCount; ++I) { 593 EXPECT_EQ( 594 *BaseTokens[I], 595 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 596 << I << LINE; 597 } 598 599 #undef LINE 600 }; 601 602 BaseCode = "template<typename T>\n" 603 "T Pi = 3.14;"; 604 ConstrainedCode = "template<typename T>\n" 605 " requires Foo<T>\n" 606 "T Pi = 3.14;"; 607 BaseTokenCount = 11; 608 RequiresTokenCount = 5; 609 PrefixTokenCount = 5; 610 TestRequires(__LINE__); 611 612 BaseCode = "template<typename T>\n" 613 "struct Bar;"; 614 ConstrainedCode = "template<typename T>\n" 615 " requires Foo<T>\n" 616 "struct Bar;"; 617 BaseTokenCount = 9; 618 TestRequires(__LINE__); 619 620 BaseCode = "template<typename T>\n" 621 "struct Bar {\n" 622 " T foo();\n" 623 " T bar();\n" 624 "};"; 625 ConstrainedCode = "template<typename T>\n" 626 " requires Foo<T>\n" 627 "struct Bar {\n" 628 " T foo();\n" 629 " T bar();\n" 630 "};"; 631 BaseTokenCount = 21; 632 TestRequires(__LINE__); 633 634 BaseCode = "template<typename T>\n" 635 "Bar(T) -> Bar<T>;"; 636 ConstrainedCode = "template<typename T>\n" 637 " requires Foo<T>\n" 638 "Bar(T) -> Bar<T>;"; 639 BaseTokenCount = 16; 640 TestRequires(__LINE__); 641 642 BaseCode = "template<typename T>\n" 643 "T foo();"; 644 ConstrainedCode = "template<typename T>\n" 645 " requires Foo<T>\n" 646 "T foo();"; 647 BaseTokenCount = 11; 648 TestRequires(__LINE__); 649 650 BaseCode = "template<typename T>\n" 651 "T foo() {\n" 652 " auto bar = baz();\n" 653 " return bar + T{};\n" 654 "}"; 655 ConstrainedCode = "template<typename T>\n" 656 " requires Foo<T>\n" 657 "T foo() {\n" 658 " auto bar = baz();\n" 659 " return bar + T{};\n" 660 "}"; 661 BaseTokenCount = 26; 662 TestRequires(__LINE__); 663 664 BaseCode = "template<typename T>\n" 665 "T foo();"; 666 ConstrainedCode = "template<typename T>\n" 667 "T foo() requires Foo<T>;"; 668 BaseTokenCount = 11; 669 PrefixTokenCount = 9; 670 TestRequires(__LINE__); 671 672 BaseCode = "template<typename T>\n" 673 "T foo() {\n" 674 " auto bar = baz();\n" 675 " return bar + T{};\n" 676 "}"; 677 ConstrainedCode = "template<typename T>\n" 678 "T foo() requires Foo<T> {\n" 679 " auto bar = baz();\n" 680 " return bar + T{};\n" 681 "}"; 682 BaseTokenCount = 26; 683 TestRequires(__LINE__); 684 685 BaseCode = "template<typename T>\n" 686 "Bar(T) -> Bar<typename T::I>;"; 687 ConstrainedCode = "template<typename T>\n" 688 " requires requires(T &&t) {\n" 689 " typename T::I;\n" 690 " }\n" 691 "Bar(T) -> Bar<typename T::I>;"; 692 BaseTokenCount = 19; 693 RequiresTokenCount = 14; 694 PrefixTokenCount = 5; 695 TestRequires(__LINE__); 696 697 BaseCode = "struct [[nodiscard]] zero_t {\n" 698 " template<class T>\n" 699 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 700 "};"; 701 ConstrainedCode = 702 "struct [[nodiscard]] zero_t {\n" 703 " template<class T>\n" 704 " requires requires { v<T>; }\n" 705 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 706 "};"; 707 BaseTokenCount = 35; 708 RequiresTokenCount = 9; 709 PrefixTokenCount = 13; 710 TestRequires(__LINE__); 711 712 BaseCode = "constexpr Foo(Foo const &other)\n" 713 " : value{other.value} {\n" 714 " do_magic();\n" 715 " do_more_magic();\n" 716 "}"; 717 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 718 " requires std::is_copy_constructible<T>\n" 719 " : value{other.value} {\n" 720 " do_magic();\n" 721 " do_more_magic();\n" 722 "}"; 723 BaseTokenCount = 26; 724 RequiresTokenCount = 7; 725 PrefixTokenCount = 8; 726 TestRequires(__LINE__); 727 728 BaseCode = "constexpr Foo(Foo const &other)\n" 729 " : value{other.value} {\n" 730 " do_magic();\n" 731 " do_more_magic();\n" 732 "}"; 733 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 734 " requires (std::is_copy_constructible<T>)\n" 735 " : value{other.value} {\n" 736 " do_magic();\n" 737 " do_more_magic();\n" 738 "}"; 739 RequiresTokenCount = 9; 740 TestRequires(__LINE__); 741 } 742 743 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 744 auto Tokens = annotate("__asm{\n" 745 "a:\n" 746 "};"); 747 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 748 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 749 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 750 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 751 } 752 753 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 754 auto Tokens = annotate("int (^)() = ^ ()\n" 755 " external_source_symbol() { //\n" 756 " return 1;\n" 757 "};"); 758 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 759 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 760 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 761 762 Tokens = annotate("int *p = ^int*(){ //\n" 763 " return nullptr;\n" 764 "}();"); 765 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 766 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 767 } 768 769 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 770 auto Tokens = annotate("[]() constexpr {}"); 771 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 772 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 773 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 774 775 Tokens = annotate("[]() -> auto {}"); 776 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 777 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 778 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 779 780 Tokens = annotate("[]() -> auto & {}"); 781 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 782 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 783 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 784 785 Tokens = annotate("[]() -> auto * {}"); 786 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 787 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 788 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 789 } 790 791 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 792 auto Annotate = [this](llvm::StringRef Code) { 793 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 794 }; 795 // Test that unary operators get labeled as such and that operators like '++' 796 // don't get split. 797 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 798 tok::tilde, tok::amp, tok::pipe, 799 tok::caret, tok::plusplus, tok::minusminus}; 800 for (auto Kind : Unary) { 801 auto Tokens = 802 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 803 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 804 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 805 } 806 // Operators formed by joining two operators like '^~'. For some of these 807 // joined operators, we don't have a separate type, so we only test for their 808 // precedence. 809 std::pair<prec::Level, std::string> JoinedBinary[] = { 810 {prec::Comma, "<->"}, {prec::Assignment, "+="}, 811 {prec::Assignment, "-="}, {prec::Assignment, "*="}, 812 {prec::Assignment, "/="}, {prec::Assignment, "%="}, 813 {prec::Assignment, "&="}, {prec::Assignment, "^="}, 814 {prec::Assignment, "<<="}, {prec::Assignment, ">>="}, 815 {prec::Assignment, "<<<="}, {prec::Assignment, ">>>="}, 816 {prec::LogicalOr, "||"}, {prec::LogicalAnd, "&&"}, 817 {prec::Equality, "=="}, {prec::Equality, "!="}, 818 {prec::Equality, "==="}, {prec::Equality, "!=="}, 819 {prec::Equality, "==?"}, {prec::Equality, "!=?"}, 820 {prec::ExclusiveOr, "~^"}, {prec::ExclusiveOr, "^~"}, 821 }; 822 for (auto Operator : JoinedBinary) { 823 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 824 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 825 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 826 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 827 } 828 // '~^' and '^~' can be unary as well as binary operators. 829 auto Tokens = Annotate("x = ~^x;"); 830 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 831 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 832 Tokens = Annotate("x = ^~x;"); 833 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 834 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 835 // The unary operators '~&' and '~|' can only be unary operators. The current 836 // implementation treats each of them as separate unary '~' and '&' or '|' 837 // operators, which is enough for formatting purposes. In FormatTestVerilog, 838 // there is a test that there is no space in between. And even if a new line 839 // is inserted between the '~' and '|', the semantic meaning is the same as 840 // the joined operator, so the CanBreakBefore property doesn't need to be 841 // false for the second operator. 842 Tokens = Annotate("x = ~&x;"); 843 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 844 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 845 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 846 Tokens = Annotate("x = ~|x;"); 847 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 848 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 849 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 850 // Test for block label colons. 851 Tokens = Annotate("begin : x\n" 852 "end : x"); 853 ASSERT_EQ(Tokens.size(), 7u); 854 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 855 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 856 // Test that the dimension colon is annotated correctly. 857 Tokens = Annotate("var [1 : 0] x;"); 858 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 859 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 860 Tokens = Annotate("extern function [1 : 0] x;"); 861 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 862 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 863 // Test case labels and ternary operators. 864 Tokens = Annotate("case (x)\n" 865 " x:\n" 866 " x;\n" 867 "endcase\n"); 868 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 869 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GotoLabelColon); 870 Tokens = Annotate("case (x)\n" 871 " x ? x : x:\n" 872 " x;\n" 873 "endcase\n"); 874 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 875 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 876 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 877 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GotoLabelColon); 878 } 879 880 } // namespace 881 } // namespace format 882 } // namespace clang 883