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 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 136 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 137 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 138 // FIXME: The star of a function pointer probably makes more sense as 139 // TT_PointerOrReference. 140 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 141 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 142 143 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 144 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 145 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 146 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 147 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 148 149 Tokens = annotate("if (Foo * Bar / Test)"); 150 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 151 EXPECT_TOKEN(Tokens[3], tok::star, TT_BinaryOperator); 152 153 Tokens = annotate("if (Class* obj {getObj()})"); 154 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 155 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 156 157 Tokens = annotate("if (Foo* Bar = getObj())"); 158 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 159 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 160 161 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 162 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 163 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 164 165 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 166 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 167 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 168 169 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 170 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 171 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 172 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 173 174 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 175 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 176 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 177 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 178 } 179 180 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 181 auto Tokens = annotate("x - 0"); 182 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 183 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 184 Tokens = annotate("0 + 0"); 185 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 186 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 187 Tokens = annotate("x + +0"); 188 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 189 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 190 Tokens = annotate("x ? -0 : +0"); 191 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 192 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 193 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 194 Tokens = annotate("(-0)"); 195 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 196 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 197 Tokens = annotate("0, -0"); 198 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 199 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 200 Tokens = annotate("for (; -1;) {\n}"); 201 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 202 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 203 Tokens = annotate("x = -1;"); 204 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 205 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 206 Tokens = annotate("x[-1]"); 207 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 208 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 209 Tokens = annotate("x = {-1};"); 210 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 211 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 212 Tokens = annotate("case -x:"); 213 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 214 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 215 Tokens = annotate("co_await -x;"); 216 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 217 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 218 Tokens = annotate("co_return -x;"); 219 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 220 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 221 Tokens = annotate("co_yield -x;"); 222 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 223 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 224 Tokens = annotate("delete -x;"); 225 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 226 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 227 Tokens = annotate("return -x;"); 228 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 229 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 230 Tokens = annotate("throw -x;"); 231 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 232 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 233 Tokens = annotate("sizeof -x"); 234 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 235 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 236 Tokens = annotate("co_await +x;"); 237 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 238 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 239 Tokens = annotate("co_return +x;"); 240 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 241 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 242 Tokens = annotate("co_yield +x;"); 243 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 244 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 245 Tokens = annotate("delete +x;"); 246 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 247 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 248 Tokens = annotate("return +x;"); 249 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 250 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 251 Tokens = annotate("throw +x;"); 252 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 253 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 254 Tokens = annotate("sizeof +x"); 255 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 256 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 257 Tokens = annotate("(int)-x"); 258 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 259 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 260 Tokens = annotate("(-x)"); 261 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 262 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 263 Tokens = annotate("!+x"); 264 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 265 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 266 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 267 } 268 269 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 270 auto Tokens = annotate("class C {};"); 271 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 272 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 273 274 Tokens = annotate("const class C {} c;"); 275 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 276 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 277 278 Tokens = annotate("const class {} c;"); 279 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 280 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 281 } 282 283 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 284 auto Tokens = annotate("struct S {};"); 285 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 286 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 287 } 288 289 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 290 auto Tokens = annotate("union U {};"); 291 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 292 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 293 294 Tokens = annotate("union U { void f() { return; } };"); 295 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 296 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 297 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 298 } 299 300 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 301 auto Tokens = annotate("enum E {};"); 302 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 303 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 304 } 305 306 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 307 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 308 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 309 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 310 311 Tokens = annotate("template <typename T> void F(T) && = delete;"); 312 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 313 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 314 } 315 316 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 317 auto Tokens = 318 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 319 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 320 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 321 } 322 323 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 324 auto Tokens = 325 annotate("template <typename T> " 326 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 327 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 328 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 329 } 330 331 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 332 auto Tokens = 333 annotate("#define FOO(typeName) \\\n" 334 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 335 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 336 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 337 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 338 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 339 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 340 } 341 342 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 343 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 344 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 345 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 346 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 347 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 348 } 349 350 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 351 FormatStyle Style = getLLVMStyle(); 352 Style.WhitespaceSensitiveMacros.push_back("FOO"); 353 354 auto Tokens = annotate("FOO(1+2 )\n", Style); 355 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 356 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 357 358 Tokens = annotate("FOO(a:b:c)\n", Style); 359 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 360 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 361 } 362 363 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 364 auto Tokens = annotate("delete (void *)p;"); 365 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 366 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 367 368 Tokens = annotate("delete[] (void *)p;"); 369 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 370 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 371 372 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 373 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 374 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 375 376 Tokens = annotate("delete[/*comment*/] (void *)p;"); 377 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 378 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 379 380 Tokens = annotate("delete/*comment*/[] (void *)p;"); 381 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 382 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 383 } 384 385 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 386 auto Tokens = annotate("(void)p;"); 387 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 388 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 389 390 Tokens = annotate("auto x = (Foo)p;"); 391 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 392 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 393 394 Tokens = annotate("(std::vector<int>)p;"); 395 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 396 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 397 398 Tokens = annotate("return (Foo)p;"); 399 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 400 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 401 402 Tokens = annotate("throw (Foo)p;"); 403 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 404 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 405 } 406 407 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 408 auto Tokens = annotate("void f() throw(int);"); 409 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 410 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 411 } 412 413 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 414 auto Tokens = annotate("void f() &;"); 415 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 416 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 417 418 Tokens = annotate("void operator=(T) &&;"); 419 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 420 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 421 422 Tokens = annotate("template <typename T> void f() &;"); 423 EXPECT_EQ(Tokens.size(), 12u) << Tokens; 424 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 425 426 Tokens = annotate("template <typename T> void operator=(T) &;"); 427 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 428 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 429 } 430 431 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 432 auto Tokens = annotate("x.operator+()"); 433 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 434 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 435 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 436 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 437 Tokens = annotate("x.operator=()"); 438 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 439 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 440 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 441 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 442 Tokens = annotate("x.operator+=()"); 443 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 444 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 445 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 446 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 447 Tokens = annotate("x.operator,()"); 448 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 449 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 450 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 451 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 452 Tokens = annotate("x.operator()()"); 453 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 454 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 455 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 456 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 457 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 458 Tokens = annotate("x.operator[]()"); 459 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 460 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 461 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 462 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 463 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 464 Tokens = annotate("x.operator\"\"_a()"); 465 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 466 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 467 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 468 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 469 Tokens = annotate("x.operator\"\" _a()"); 470 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 471 // FIXME 472 // EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 473 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 474 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 475 Tokens = annotate("x.operator\"\"if()"); 476 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 477 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 478 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 479 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 480 Tokens = annotate("x.operator\"\"s()"); 481 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 482 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 483 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 484 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 485 Tokens = annotate("x.operator\"\" s()"); 486 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 487 // FIXME 488 // EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 489 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 490 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 491 492 Tokens = annotate("int operator+(int);"); 493 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 494 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 495 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 496 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 497 Tokens = annotate("auto operator=(T&) {}"); 498 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 499 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 500 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 501 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 502 Tokens = annotate("auto operator()() {}"); 503 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 504 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 505 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 506 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 507 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 508 } 509 510 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 511 auto Tokens = annotate("template <typename T>\n" 512 "concept C = (Foo && Bar) && (Bar && Baz);"); 513 514 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 515 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 516 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 517 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 518 519 Tokens = annotate("template <typename T>\n" 520 "concept C = Foo && !Bar;"); 521 522 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 523 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 524 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 525 526 Tokens = annotate("template <typename T>\n" 527 "concept C = requires(T t) {\n" 528 " { t.foo() };\n" 529 "} && Bar<T> && Baz<T>;"); 530 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 531 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 532 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 533 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 534 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 535 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 536 537 Tokens = annotate("template<typename T>\n" 538 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 539 "struct Foo;"); 540 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 541 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 542 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 543 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 544 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 545 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 546 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 547 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 548 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 549 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 550 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 551 552 Tokens = 553 annotate("template<typename T>\n" 554 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 555 "struct Foo;"); 556 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 557 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 558 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 559 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 560 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 561 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 562 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 563 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 564 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 565 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 566 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 567 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 568 569 Tokens = annotate("template <typename T>\n" 570 "void foo(T) noexcept requires Bar<T>;"); 571 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 572 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 573 574 Tokens = annotate("template <typename T>\n" 575 "requires Bar<T> || Baz<T>\n" 576 "auto foo(T) -> int;"); 577 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 578 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 579 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 580 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 581 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 582 583 Tokens = annotate("template <typename T>\n" 584 "requires Bar<T>\n" 585 "bool foo(T) { return false; }"); 586 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 587 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 588 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 589 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 590 591 Tokens = annotate("template <typename T>\n" 592 "requires Bar<T>\n" 593 "decltype(auto) foo(T) { return false; }"); 594 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 595 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 596 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 597 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 598 599 Tokens = annotate("template <typename T>\n" 600 "struct S {\n" 601 " void foo() const requires Bar<T>;\n" 602 " void bar() const & requires Baz<T>;\n" 603 " void bar() && requires Baz2<T>;\n" 604 " void baz() const & noexcept requires Baz<T>;\n" 605 " void baz() && noexcept requires Baz2<T>;\n" 606 "};\n" 607 "\n" 608 "void S::bar() const & requires Baz<T> { }"); 609 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 610 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 611 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 612 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 613 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 614 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 615 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 616 617 Tokens = annotate("void Class::member() && requires(Constant) {}"); 618 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 619 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 620 621 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 622 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 623 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 624 625 Tokens = 626 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 627 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 628 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 629 630 Tokens = annotate("void Class::member() && requires(typename " 631 "Namespace::Outer<T>::Inner::Constant) {}"); 632 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 633 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 634 635 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 636 " template<class T>\n" 637 " requires requires { number_zero_v<T>; }\n" 638 " [[nodiscard]] constexpr operator T() const { " 639 "return number_zero_v<T>; }\n" 640 "};"); 641 ASSERT_EQ(Tokens.size(), 44u); 642 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 643 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 644 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 645 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 646 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 647 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 648 649 Tokens = 650 annotate("template <class A, class B> concept C =" 651 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 652 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 653 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 654 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 655 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 656 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 657 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 658 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 659 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 660 661 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 662 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 663 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 664 665 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 666 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 667 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 668 669 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 670 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 671 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 672 673 Tokens = 674 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 675 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 676 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 677 678 Tokens = 679 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 680 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 681 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 682 683 Tokens = 684 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 685 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 686 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 687 } 688 689 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 690 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 691 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 692 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 693 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 694 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 695 696 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 697 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 698 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 699 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 700 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 701 702 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 703 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 704 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 705 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 706 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 707 708 Tokens = annotate("foo(requires(const T t) {});"); 709 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 710 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 711 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 712 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 713 714 Tokens = annotate("foo(requires(const int t) {});"); 715 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 716 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 717 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 718 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 719 720 Tokens = annotate("foo(requires(const T t) {});"); 721 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 722 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 723 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 724 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 725 726 Tokens = annotate("foo(requires(int const* volatile t) {});"); 727 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 728 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 729 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 730 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 731 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 732 733 Tokens = annotate("foo(requires(T const* volatile t) {});"); 734 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 735 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 736 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 737 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 738 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 739 740 Tokens = annotate("foo(requires(T& t) {});"); 741 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 742 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 743 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 744 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 745 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 746 747 Tokens = annotate("foo(requires(T&& t) {});"); 748 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 749 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 750 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 751 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 752 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 753 754 Tokens = annotate("bool foo = requires(T& t) {};"); 755 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 756 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 757 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 758 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 759 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 760 761 Tokens = annotate("bool foo = requires(T&& t) {};"); 762 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 763 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 764 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 765 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 766 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 767 768 Tokens = 769 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 770 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 771 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 772 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 773 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 774 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 775 776 Tokens = annotate("template <typename T>\n" 777 "concept C = requires(T T) {\n" 778 " requires Bar<T> && Foo<T>;\n" 779 "};"); 780 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 781 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 782 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 783 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 784 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 785 TT_RequiresClauseInARequiresExpression); 786 787 Tokens = annotate("template <typename T>\n" 788 "concept C = requires(T T) {\n" 789 " { t.func() } -> std::same_as<int>;" 790 " requires Bar<T> && Foo<T>;\n" 791 "};"); 792 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 793 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 794 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 795 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 796 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 797 TT_RequiresClauseInARequiresExpression); 798 799 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 800 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 801 "requires true; };"); 802 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 803 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 804 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 805 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 806 } 807 808 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 809 // Everything after #pragma region should be ImplicitStringLiteral 810 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 811 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 812 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 813 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 814 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 815 816 // Make sure it's annotated correctly inside a function as well 817 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 818 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 819 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 820 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 821 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 822 } 823 824 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 825 const char *BaseCode = nullptr; 826 const char *ConstrainedCode = nullptr; 827 auto BaseTokenCount = 0u; 828 auto RequiresTokenCount = 0u; 829 auto PrefixTokenCount = 0u; 830 831 auto TestRequires = [&](int Line) { 832 const auto BaseTokens = annotate(BaseCode); 833 const auto ConstrainedTokens = annotate(ConstrainedCode); 834 835 #define LINE " (Line " << Line << ')' 836 837 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 838 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 839 << LINE; 840 841 for (auto I = 0u; I < BaseTokenCount; ++I) { 842 EXPECT_EQ( 843 *BaseTokens[I], 844 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 845 << I << LINE; 846 } 847 848 #undef LINE 849 }; 850 851 BaseCode = "template<typename T>\n" 852 "T Pi = 3.14;"; 853 ConstrainedCode = "template<typename T>\n" 854 " requires Foo<T>\n" 855 "T Pi = 3.14;"; 856 BaseTokenCount = 11; 857 RequiresTokenCount = 5; 858 PrefixTokenCount = 5; 859 TestRequires(__LINE__); 860 861 BaseCode = "template<typename T>\n" 862 "struct Bar;"; 863 ConstrainedCode = "template<typename T>\n" 864 " requires Foo<T>\n" 865 "struct Bar;"; 866 BaseTokenCount = 9; 867 TestRequires(__LINE__); 868 869 BaseCode = "template<typename T>\n" 870 "struct Bar {\n" 871 " T foo();\n" 872 " T bar();\n" 873 "};"; 874 ConstrainedCode = "template<typename T>\n" 875 " requires Foo<T>\n" 876 "struct Bar {\n" 877 " T foo();\n" 878 " T bar();\n" 879 "};"; 880 BaseTokenCount = 21; 881 TestRequires(__LINE__); 882 883 BaseCode = "template<typename T>\n" 884 "Bar(T) -> Bar<T>;"; 885 ConstrainedCode = "template<typename T>\n" 886 " requires Foo<T>\n" 887 "Bar(T) -> Bar<T>;"; 888 BaseTokenCount = 16; 889 TestRequires(__LINE__); 890 891 BaseCode = "template<typename T>\n" 892 "T foo();"; 893 ConstrainedCode = "template<typename T>\n" 894 " requires Foo<T>\n" 895 "T foo();"; 896 BaseTokenCount = 11; 897 TestRequires(__LINE__); 898 899 BaseCode = "template<typename T>\n" 900 "T foo() {\n" 901 " auto bar = baz();\n" 902 " return bar + T{};\n" 903 "}"; 904 ConstrainedCode = "template<typename T>\n" 905 " requires Foo<T>\n" 906 "T foo() {\n" 907 " auto bar = baz();\n" 908 " return bar + T{};\n" 909 "}"; 910 BaseTokenCount = 26; 911 TestRequires(__LINE__); 912 913 BaseCode = "template<typename T>\n" 914 "T foo();"; 915 ConstrainedCode = "template<typename T>\n" 916 "T foo() requires Foo<T>;"; 917 BaseTokenCount = 11; 918 PrefixTokenCount = 9; 919 TestRequires(__LINE__); 920 921 BaseCode = "template<typename T>\n" 922 "T foo() {\n" 923 " auto bar = baz();\n" 924 " return bar + T{};\n" 925 "}"; 926 ConstrainedCode = "template<typename T>\n" 927 "T foo() requires Foo<T> {\n" 928 " auto bar = baz();\n" 929 " return bar + T{};\n" 930 "}"; 931 BaseTokenCount = 26; 932 TestRequires(__LINE__); 933 934 BaseCode = "template<typename T>\n" 935 "T foo();"; 936 ConstrainedCode = "template<typename T>\n" 937 " requires(Foo<T>)\n" 938 "T foo();"; 939 BaseTokenCount = 11; 940 RequiresTokenCount = 7; 941 PrefixTokenCount = 5; 942 TestRequires(__LINE__); 943 944 BaseCode = "template<typename T>\n" 945 "Bar(T) -> Bar<typename T::I>;"; 946 ConstrainedCode = "template<typename T>\n" 947 " requires requires(T &&t) {\n" 948 " typename T::I;\n" 949 " }\n" 950 "Bar(T) -> Bar<typename T::I>;"; 951 BaseTokenCount = 19; 952 RequiresTokenCount = 14; 953 PrefixTokenCount = 5; 954 TestRequires(__LINE__); 955 956 BaseCode = "struct [[nodiscard]] zero_t {\n" 957 " template<class T>\n" 958 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 959 "};"; 960 ConstrainedCode = 961 "struct [[nodiscard]] zero_t {\n" 962 " template<class T>\n" 963 " requires requires { v<T>; }\n" 964 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 965 "};"; 966 BaseTokenCount = 35; 967 RequiresTokenCount = 9; 968 PrefixTokenCount = 13; 969 TestRequires(__LINE__); 970 971 BaseCode = "constexpr Foo(Foo const &other)\n" 972 " : value{other.value} {\n" 973 " do_magic();\n" 974 " do_more_magic();\n" 975 "}"; 976 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 977 " requires std::is_copy_constructible<T>\n" 978 " : value{other.value} {\n" 979 " do_magic();\n" 980 " do_more_magic();\n" 981 "}"; 982 BaseTokenCount = 26; 983 RequiresTokenCount = 7; 984 PrefixTokenCount = 8; 985 TestRequires(__LINE__); 986 987 BaseCode = "constexpr Foo(Foo const &other)\n" 988 " : value{other.value} {\n" 989 " do_magic();\n" 990 " do_more_magic();\n" 991 "}"; 992 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 993 " requires (std::is_copy_constructible<T>)\n" 994 " : value{other.value} {\n" 995 " do_magic();\n" 996 " do_more_magic();\n" 997 "}"; 998 RequiresTokenCount = 9; 999 TestRequires(__LINE__); 1000 } 1001 1002 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1003 auto Tokens = annotate("__asm{\n" 1004 "a:\n" 1005 "};"); 1006 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1007 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1008 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1009 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1010 } 1011 1012 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1013 auto Tokens = annotate("int (^)() = ^ ()\n" 1014 " external_source_symbol() { //\n" 1015 " return 1;\n" 1016 "};"); 1017 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1018 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1019 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1020 1021 Tokens = annotate("int *p = ^int*(){ //\n" 1022 " return nullptr;\n" 1023 "}();"); 1024 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1025 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1026 } 1027 1028 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1029 auto Tokens = annotate("[]() constexpr {}"); 1030 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1031 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1032 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1033 1034 Tokens = annotate("[]() consteval {}"); 1035 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1036 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1037 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1038 1039 Tokens = annotate("[]() mutable {}"); 1040 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1041 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1042 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1043 1044 Tokens = annotate("[]() static {}"); 1045 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1046 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1047 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1048 1049 Tokens = annotate("[]() -> auto {}"); 1050 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1051 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1052 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1053 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1054 1055 Tokens = annotate("[]() -> auto & {}"); 1056 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1057 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1058 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1059 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1060 1061 Tokens = annotate("[]() -> auto * {}"); 1062 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1063 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1064 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1065 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1066 1067 Tokens = annotate("[] {}"); 1068 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1069 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1070 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1071 1072 Tokens = annotate("[] noexcept {}"); 1073 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1074 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1075 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1076 1077 Tokens = annotate("[] -> auto {}"); 1078 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1079 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1080 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1081 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1082 1083 Tokens = annotate("[] <typename T> () {}"); 1084 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1085 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1086 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1087 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1088 1089 Tokens = annotate("[] <typename T> {}"); 1090 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1091 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1092 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1093 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1094 1095 Tokens = annotate("[] <typename... T> () {}"); 1096 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1097 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1098 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1099 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1100 1101 Tokens = annotate("[] <typename... T> {}"); 1102 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1103 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1104 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1105 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1106 1107 Tokens = annotate("[] <int... T> () {}"); 1108 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1109 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1110 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1111 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1112 1113 Tokens = annotate("[] <int... T> {}"); 1114 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1115 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1116 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1117 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1118 1119 Tokens = annotate("[] <Foo... T> () {}"); 1120 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1121 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1122 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1123 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1124 1125 Tokens = annotate("[] <Foo... T> {}"); 1126 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1127 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1128 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1129 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1130 } 1131 1132 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1133 auto Tokens = annotate("template <typename T>\n" 1134 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1135 "string OldFunction(const string ¶meter) {}"); 1136 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1137 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1138 1139 Tokens = annotate("template <typename T>\n" 1140 "A(T) noexcept;"); 1141 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1142 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1143 } 1144 1145 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1146 auto Tokens = annotate("void f [[noreturn]] ();"); 1147 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1148 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1149 1150 Tokens = annotate("void f [[noreturn]] () {}"); 1151 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1152 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1153 } 1154 1155 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1156 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1157 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1158 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1159 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1160 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1161 } 1162 1163 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 1164 auto Annotate = [this](llvm::StringRef Code) { 1165 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 1166 }; 1167 // Test that unary operators get labeled as such and that operators like '++' 1168 // don't get split. 1169 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 1170 tok::tilde, tok::amp, tok::pipe, 1171 tok::caret, tok::plusplus, tok::minusminus}; 1172 for (auto Kind : Unary) { 1173 auto Tokens = 1174 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 1175 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1176 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 1177 } 1178 // Operators formed by joining two operators like '^~'. For some of these 1179 // joined operators, we don't have a separate type, so we only test for their 1180 // precedence. 1181 std::pair<prec::Level, std::string> JoinedBinary[] = { 1182 {prec::Comma, "<->"}, {prec::Assignment, "+="}, 1183 {prec::Assignment, "-="}, {prec::Assignment, "*="}, 1184 {prec::Assignment, "/="}, {prec::Assignment, "%="}, 1185 {prec::Assignment, "&="}, {prec::Assignment, "^="}, 1186 {prec::Assignment, "<<="}, {prec::Assignment, ">>="}, 1187 {prec::Assignment, "<<<="}, {prec::Assignment, ">>>="}, 1188 {prec::LogicalOr, "||"}, {prec::LogicalAnd, "&&"}, 1189 {prec::Equality, "=="}, {prec::Equality, "!="}, 1190 {prec::Equality, "==="}, {prec::Equality, "!=="}, 1191 {prec::Equality, "==?"}, {prec::Equality, "!=?"}, 1192 {prec::ExclusiveOr, "~^"}, {prec::ExclusiveOr, "^~"}, 1193 }; 1194 for (auto Operator : JoinedBinary) { 1195 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 1196 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1197 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 1198 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 1199 } 1200 // '~^' and '^~' can be unary as well as binary operators. 1201 auto Tokens = Annotate("x = ~^x;"); 1202 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1203 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 1204 Tokens = Annotate("x = ^~x;"); 1205 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1206 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 1207 // The unary operators '~&' and '~|' can only be unary operators. The current 1208 // implementation treats each of them as separate unary '~' and '&' or '|' 1209 // operators, which is enough for formatting purposes. In FormatTestVerilog, 1210 // there is a test that there is no space in between. And even if a new line 1211 // is inserted between the '~' and '|', the semantic meaning is the same as 1212 // the joined operator, so the CanBreakBefore property doesn't need to be 1213 // false for the second operator. 1214 Tokens = Annotate("x = ~&x;"); 1215 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1216 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 1217 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 1218 Tokens = Annotate("x = ~|x;"); 1219 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1220 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 1221 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 1222 // Test for block label colons. 1223 Tokens = Annotate("begin : x\n" 1224 "end : x"); 1225 ASSERT_EQ(Tokens.size(), 7u); 1226 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 1227 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 1228 // Test that the dimension colon is annotated correctly. 1229 Tokens = Annotate("var [1 : 0] x;"); 1230 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1231 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 1232 Tokens = Annotate("extern function [1 : 0] x;"); 1233 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1234 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 1235 // Test case labels and ternary operators. 1236 Tokens = Annotate("case (x)\n" 1237 " x:\n" 1238 " x;\n" 1239 "endcase\n"); 1240 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1241 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GotoLabelColon); 1242 Tokens = Annotate("case (x)\n" 1243 " x ? x : x:\n" 1244 " x;\n" 1245 "endcase\n"); 1246 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1247 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 1248 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 1249 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GotoLabelColon); 1250 } 1251 1252 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 1253 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 1254 1255 // The TT_Unknown is clearly not binding for the future, please adapt if those 1256 // tokens get annotated. 1257 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1258 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 1259 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1260 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 1261 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1262 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 1263 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 1264 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 1265 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 1266 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1267 1268 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 1269 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1270 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 1271 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1272 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 1273 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 1274 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 1275 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 1276 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 1277 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 1278 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1279 } 1280 1281 } // namespace 1282 } // namespace format 1283 } // namespace clang 1284