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 Tokens = annotate("Type1 &val1 = val2;"); 180 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 181 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 182 183 Tokens = annotate("Type1 *val1 = &val2;"); 184 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 185 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 186 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 187 188 Tokens = annotate("val1 & val2;"); 189 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 190 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 191 192 Tokens = annotate("val1 & val2.member;"); 193 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 194 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 195 196 Tokens = annotate("val1 & val2.*member;"); 197 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 198 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 199 200 Tokens = annotate("val1.*member & val2;"); 201 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 202 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 203 204 Tokens = annotate("val1 & val2->*member;"); 205 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 206 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 207 208 Tokens = annotate("val1->member & val2;"); 209 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 210 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 211 212 Tokens = annotate("val1 & val2 & val3;"); 213 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 214 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 215 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 216 217 Tokens = annotate("val1 & val2 // comment\n" 218 " & val3;"); 219 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 220 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 221 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 222 223 Tokens = 224 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 225 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 226 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 227 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 228 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 229 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 230 231 Tokens = annotate("class c {\n" 232 " void func(type &a) { a & member; }\n" 233 " anotherType &member;\n" 234 "}"); 235 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 236 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 237 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 238 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 239 240 Tokens = annotate("struct S {\n" 241 " auto Mem = C & D;\n" 242 "}"); 243 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 244 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 245 246 Tokens = 247 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 248 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 249 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 250 251 Tokens = annotate("template <typename T> struct S {\n" 252 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 253 "};"); 254 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 255 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 256 257 Tokens = annotate("template <bool B = C && D> struct S {};"); 258 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 259 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 260 261 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 262 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 263 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 264 265 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 266 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 267 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 268 269 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 270 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 271 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 272 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 273 } 274 275 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 276 auto Tokens = annotate("x - 0"); 277 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 278 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 279 Tokens = annotate("0 + 0"); 280 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 281 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 282 Tokens = annotate("x + +0"); 283 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 284 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 285 Tokens = annotate("x ? -0 : +0"); 286 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 287 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 288 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 289 Tokens = annotate("(-0)"); 290 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 291 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 292 Tokens = annotate("0, -0"); 293 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 294 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 295 Tokens = annotate("for (; -1;) {\n}"); 296 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 297 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 298 Tokens = annotate("x = -1;"); 299 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 300 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 301 Tokens = annotate("x[-1]"); 302 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 303 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 304 Tokens = annotate("x = {-1};"); 305 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 306 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 307 Tokens = annotate("case -x:"); 308 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 309 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 310 Tokens = annotate("co_await -x;"); 311 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 312 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 313 Tokens = annotate("co_return -x;"); 314 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 315 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 316 Tokens = annotate("co_yield -x;"); 317 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 318 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 319 Tokens = annotate("delete -x;"); 320 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 321 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 322 Tokens = annotate("return -x;"); 323 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 324 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 325 Tokens = annotate("throw -x;"); 326 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 327 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 328 Tokens = annotate("sizeof -x"); 329 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 330 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 331 Tokens = annotate("co_await +x;"); 332 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 333 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 334 Tokens = annotate("co_return +x;"); 335 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 336 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 337 Tokens = annotate("co_yield +x;"); 338 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 339 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 340 Tokens = annotate("delete +x;"); 341 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 342 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 343 Tokens = annotate("return +x;"); 344 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 345 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 346 Tokens = annotate("throw +x;"); 347 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 348 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 349 Tokens = annotate("sizeof +x"); 350 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 351 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 352 Tokens = annotate("(int)-x"); 353 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 354 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 355 Tokens = annotate("(-x)"); 356 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 357 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 358 Tokens = annotate("!+x"); 359 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 360 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 361 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 362 } 363 364 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 365 auto Tokens = annotate("class C {};"); 366 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 367 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 368 369 Tokens = annotate("const class C {} c;"); 370 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 371 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 372 373 Tokens = annotate("const class {} c;"); 374 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 375 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 376 377 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 378 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 379 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 380 } 381 382 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 383 auto Tokens = annotate("struct S {};"); 384 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 385 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 386 387 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 388 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 389 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 390 391 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 392 EXPECT_EQ(Tokens.size(), 19u) << Tokens; 393 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 394 395 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 396 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 397 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 398 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 399 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 400 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 401 402 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 403 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 404 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 405 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 406 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 407 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 408 409 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 410 " void f(T const (&a)[n]);\n" 411 "};"); 412 EXPECT_EQ(Tokens.size(), 35u) << Tokens; 413 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 414 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 415 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 416 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 417 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 418 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 419 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 420 } 421 422 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 423 auto Tokens = annotate("union U {};"); 424 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 425 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 426 427 Tokens = annotate("union U { void f() { return; } };"); 428 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 429 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 430 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 431 } 432 433 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 434 auto Tokens = annotate("enum E {};"); 435 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 436 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 437 } 438 439 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 440 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 441 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 442 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 443 444 Tokens = annotate("template <typename T> void F(T) && = delete;"); 445 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 446 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 447 } 448 449 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 450 auto Tokens = 451 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 452 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 453 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 454 } 455 456 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 457 auto Tokens = 458 annotate("template <typename T> " 459 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 460 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 461 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 462 } 463 464 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 465 auto Tokens = 466 annotate("#define FOO(typeName) \\\n" 467 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 468 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 469 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 470 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 471 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 472 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 473 } 474 475 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 476 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 477 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 478 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 479 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 480 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 481 } 482 483 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 484 FormatStyle Style = getLLVMStyle(); 485 Style.WhitespaceSensitiveMacros.push_back("FOO"); 486 487 auto Tokens = annotate("FOO(1+2 )\n", Style); 488 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 489 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 490 491 Tokens = annotate("FOO(a:b:c)\n", Style); 492 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 493 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 494 } 495 496 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 497 auto Tokens = annotate("delete (void *)p;"); 498 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 499 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 500 501 Tokens = annotate("delete[] (void *)p;"); 502 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 503 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 504 505 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 506 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 507 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 508 509 Tokens = annotate("delete[/*comment*/] (void *)p;"); 510 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 511 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 512 513 Tokens = annotate("delete/*comment*/[] (void *)p;"); 514 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 515 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 516 } 517 518 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 519 auto Tokens = annotate("(void)p;"); 520 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 521 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 522 523 Tokens = annotate("auto x = (Foo)p;"); 524 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 525 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 526 527 Tokens = annotate("(std::vector<int>)p;"); 528 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 529 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 530 531 Tokens = annotate("return (Foo)p;"); 532 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 533 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 534 535 Tokens = annotate("throw (Foo)p;"); 536 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 537 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 538 } 539 540 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 541 auto Tokens = annotate("void f() throw(int);"); 542 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 543 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 544 } 545 546 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 547 auto Tokens = annotate("void f() &;"); 548 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 549 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 550 551 Tokens = annotate("void operator=(T) &&;"); 552 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 553 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 554 555 Tokens = annotate("template <typename T> void f() &;"); 556 EXPECT_EQ(Tokens.size(), 12u) << Tokens; 557 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 558 559 Tokens = annotate("template <typename T> void operator=(T) &;"); 560 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 561 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 562 } 563 564 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 565 auto Tokens = annotate("x.operator+()"); 566 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 567 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 568 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 569 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 570 Tokens = annotate("x.operator=()"); 571 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 572 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 573 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 574 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 575 Tokens = annotate("x.operator+=()"); 576 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 577 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 578 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 579 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 580 Tokens = annotate("x.operator,()"); 581 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 582 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 583 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 584 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 585 Tokens = annotate("x.operator()()"); 586 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 587 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 588 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 589 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 590 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 591 Tokens = annotate("x.operator[]()"); 592 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 593 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 594 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 595 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 596 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 597 Tokens = annotate("x.operator\"\"_a()"); 598 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 599 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 600 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 601 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 602 Tokens = annotate("x.operator\"\" _a()"); 603 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 604 // FIXME 605 // EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 606 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 607 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 608 Tokens = annotate("x.operator\"\"if()"); 609 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 610 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 611 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 612 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 613 Tokens = annotate("x.operator\"\"s()"); 614 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 615 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 616 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 617 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 618 Tokens = annotate("x.operator\"\" s()"); 619 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 620 // FIXME 621 // EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_FunctionDeclarationName); 622 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 623 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 624 625 Tokens = annotate("int operator+(int);"); 626 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 627 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 628 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 629 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 630 Tokens = annotate("auto operator=(T&) {}"); 631 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 632 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 633 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 634 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 635 Tokens = annotate("auto operator()() {}"); 636 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 637 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 638 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 639 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 640 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 641 } 642 643 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 644 struct { 645 const char *Text; 646 tok::TokenKind Kind; 647 } Operators[] = {{"+", tok::plus}, 648 {"-", tok::minus}, 649 // FIXME: 650 // {"*", tok::star}, 651 {"/", tok::slash}, 652 {"%", tok::percent}, 653 {"^", tok::caret}, 654 // FIXME: 655 // {"&", tok::amp}, 656 {"|", tok::pipe}, 657 {"~", tok::tilde}, 658 {"!", tok::exclaim}, 659 {"=", tok::equal}, 660 // FIXME: 661 // {"<", tok::less}, 662 {">", tok::greater}, 663 {"+=", tok::plusequal}, 664 {"-=", tok::minusequal}, 665 {"*=", tok::starequal}, 666 {"/=", tok::slashequal}, 667 {"%=", tok::percentequal}, 668 {"^=", tok::caretequal}, 669 {"&=", tok::ampequal}, 670 {"|=", tok::pipeequal}, 671 {"<<", tok::lessless}, 672 {">>", tok::greatergreater}, 673 {">>=", tok::greatergreaterequal}, 674 {"<<=", tok::lesslessequal}, 675 {"==", tok::equalequal}, 676 {"!=", tok::exclaimequal}, 677 {"<=", tok::lessequal}, 678 {">=", tok::greaterequal}, 679 {"<=>", tok::spaceship}, 680 {"&&", tok::ampamp}, 681 {"||", tok::pipepipe}, 682 {"++", tok::plusplus}, 683 {"--", tok::minusminus}, 684 {",", tok::comma}, 685 {"->*", tok::arrowstar}, 686 {"->", tok::arrow}}; 687 688 for (const auto &Operator : Operators) { 689 std::string Input("C<&operator"); 690 Input += Operator.Text; 691 Input += " > a;"; 692 auto Tokens = annotate(std::string(Input)); 693 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 694 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 695 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 696 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 697 } 698 699 auto Tokens = annotate("C<&operator< <X>> lt;"); 700 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 701 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 702 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 703 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 704 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 705 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 706 } 707 708 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 709 auto Tokens = annotate("template <typename T>\n" 710 "concept C = (Foo && Bar) && (Bar && Baz);"); 711 712 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 713 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 714 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 715 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 716 717 Tokens = annotate("template <typename T>\n" 718 "concept C = Foo && !Bar;"); 719 720 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 721 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 722 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 723 724 Tokens = annotate("template <typename T>\n" 725 "concept C = requires(T t) {\n" 726 " { t.foo() };\n" 727 "} && Bar<T> && Baz<T>;"); 728 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 729 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 730 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 731 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 732 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 733 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 734 735 Tokens = annotate("template<typename T>\n" 736 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 737 "struct Foo;"); 738 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 739 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 740 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 741 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 742 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 743 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 744 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 745 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 746 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 747 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 748 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 749 750 Tokens = 751 annotate("template<typename T>\n" 752 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 753 "struct Foo;"); 754 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 755 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 756 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 757 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 758 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 759 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 760 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 761 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 762 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 763 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 764 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 765 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 766 767 Tokens = annotate("template <typename T>\n" 768 "void foo(T) noexcept requires Bar<T>;"); 769 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 770 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 771 772 Tokens = annotate("template <typename T>\n" 773 "requires Bar<T> || Baz<T>\n" 774 "auto foo(T) -> int;"); 775 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 776 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 777 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 778 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 779 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 780 781 Tokens = annotate("template <typename T>\n" 782 "requires Bar<T>\n" 783 "bool foo(T) { return false; }"); 784 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 785 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 786 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 787 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 788 789 Tokens = annotate("template <typename T>\n" 790 "requires Bar<T>\n" 791 "decltype(auto) foo(T) { return false; }"); 792 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 793 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 794 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 795 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 796 797 Tokens = annotate("template <typename T>\n" 798 "struct S {\n" 799 " void foo() const requires Bar<T>;\n" 800 " void bar() const & requires Baz<T>;\n" 801 " void bar() && requires Baz2<T>;\n" 802 " void baz() const & noexcept requires Baz<T>;\n" 803 " void baz() && noexcept requires Baz2<T>;\n" 804 "};\n" 805 "\n" 806 "void S::bar() const & requires Baz<T> { }"); 807 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 808 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 809 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 810 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 811 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 812 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 813 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 814 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 815 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 816 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 817 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 818 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 819 820 Tokens = annotate("void Class::member() && requires(Constant) {}"); 821 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 822 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 823 824 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 825 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 826 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 827 828 Tokens = 829 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 830 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 831 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 832 833 Tokens = annotate("void Class::member() && requires(typename " 834 "Namespace::Outer<T>::Inner::Constant) {}"); 835 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 836 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 837 838 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 839 " template<class T>\n" 840 " requires requires { number_zero_v<T>; }\n" 841 " [[nodiscard]] constexpr operator T() const { " 842 "return number_zero_v<T>; }\n" 843 "};"); 844 ASSERT_EQ(Tokens.size(), 44u); 845 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 846 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 847 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 848 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 849 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 850 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 851 852 Tokens = 853 annotate("template <class A, class B> concept C =" 854 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 855 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 856 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 857 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 858 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 859 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 860 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 861 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 862 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 863 864 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 865 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 866 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 867 868 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 869 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 870 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 871 872 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 873 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 874 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 875 876 Tokens = 877 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 878 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 879 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 880 881 Tokens = 882 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 883 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 884 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 885 886 Tokens = 887 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 888 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 889 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 890 } 891 892 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 893 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 894 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 895 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 896 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 897 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 898 899 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 900 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 901 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 902 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 903 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 904 905 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 906 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 907 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 908 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 909 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 910 911 Tokens = annotate("foo(requires(const T t) {});"); 912 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 913 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 914 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 915 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 916 917 Tokens = annotate("foo(requires(const int t) {});"); 918 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 919 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 920 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 921 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 922 923 Tokens = annotate("foo(requires(const T t) {});"); 924 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 925 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 926 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 927 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 928 929 Tokens = annotate("foo(requires(int const* volatile t) {});"); 930 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 931 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 932 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 933 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 934 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 935 936 Tokens = annotate("foo(requires(T const* volatile t) {});"); 937 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 938 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 939 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 940 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 941 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 942 943 Tokens = annotate("foo(requires(T& t) {});"); 944 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 945 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 946 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 947 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 948 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 949 950 Tokens = annotate("foo(requires(T&& t) {});"); 951 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 952 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 953 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 954 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 955 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 956 957 Tokens = annotate("bool foo = requires(T& t) {};"); 958 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 959 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 960 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 961 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 962 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 963 964 Tokens = annotate("bool foo = requires(T&& t) {};"); 965 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 966 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 967 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 968 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 969 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 970 971 Tokens = 972 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 973 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 974 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 975 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 976 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 977 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 978 979 Tokens = annotate("template <typename T>\n" 980 "concept C = requires(T T) {\n" 981 " requires Bar<T> && Foo<T>;\n" 982 "};"); 983 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 984 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 985 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 986 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 987 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 988 TT_RequiresClauseInARequiresExpression); 989 990 Tokens = annotate("template <typename T>\n" 991 "concept C = requires(T T) {\n" 992 " { t.func() } -> std::same_as<int>;" 993 " requires Bar<T> && Foo<T>;\n" 994 "};"); 995 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 996 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 997 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 998 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 999 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1000 TT_RequiresClauseInARequiresExpression); 1001 1002 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1003 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1004 "requires true; };"); 1005 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1006 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1007 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1008 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1009 } 1010 1011 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1012 // Everything after #pragma region should be ImplicitStringLiteral 1013 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1014 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1015 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1016 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1017 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1018 1019 // Make sure it's annotated correctly inside a function as well 1020 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1021 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1022 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1023 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1024 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1025 } 1026 1027 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1028 const char *BaseCode = nullptr; 1029 const char *ConstrainedCode = nullptr; 1030 auto BaseTokenCount = 0u; 1031 auto RequiresTokenCount = 0u; 1032 auto PrefixTokenCount = 0u; 1033 1034 auto TestRequires = [&](int Line) { 1035 const auto BaseTokens = annotate(BaseCode); 1036 const auto ConstrainedTokens = annotate(ConstrainedCode); 1037 1038 #define LINE " (Line " << Line << ')' 1039 1040 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1041 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1042 << LINE; 1043 1044 for (auto I = 0u; I < BaseTokenCount; ++I) { 1045 EXPECT_EQ( 1046 *BaseTokens[I], 1047 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1048 << I << LINE; 1049 } 1050 1051 #undef LINE 1052 }; 1053 1054 BaseCode = "template<typename T>\n" 1055 "T Pi = 3.14;"; 1056 ConstrainedCode = "template<typename T>\n" 1057 " requires Foo<T>\n" 1058 "T Pi = 3.14;"; 1059 BaseTokenCount = 11; 1060 RequiresTokenCount = 5; 1061 PrefixTokenCount = 5; 1062 TestRequires(__LINE__); 1063 1064 BaseCode = "template<typename T>\n" 1065 "struct Bar;"; 1066 ConstrainedCode = "template<typename T>\n" 1067 " requires Foo<T>\n" 1068 "struct Bar;"; 1069 BaseTokenCount = 9; 1070 TestRequires(__LINE__); 1071 1072 BaseCode = "template<typename T>\n" 1073 "struct Bar {\n" 1074 " T foo();\n" 1075 " T bar();\n" 1076 "};"; 1077 ConstrainedCode = "template<typename T>\n" 1078 " requires Foo<T>\n" 1079 "struct Bar {\n" 1080 " T foo();\n" 1081 " T bar();\n" 1082 "};"; 1083 BaseTokenCount = 21; 1084 TestRequires(__LINE__); 1085 1086 BaseCode = "template<typename T>\n" 1087 "Bar(T) -> Bar<T>;"; 1088 ConstrainedCode = "template<typename T>\n" 1089 " requires Foo<T>\n" 1090 "Bar(T) -> Bar<T>;"; 1091 BaseTokenCount = 16; 1092 TestRequires(__LINE__); 1093 1094 BaseCode = "template<typename T>\n" 1095 "T foo();"; 1096 ConstrainedCode = "template<typename T>\n" 1097 " requires Foo<T>\n" 1098 "T foo();"; 1099 BaseTokenCount = 11; 1100 TestRequires(__LINE__); 1101 1102 BaseCode = "template<typename T>\n" 1103 "T foo() {\n" 1104 " auto bar = baz();\n" 1105 " return bar + T{};\n" 1106 "}"; 1107 ConstrainedCode = "template<typename T>\n" 1108 " requires Foo<T>\n" 1109 "T foo() {\n" 1110 " auto bar = baz();\n" 1111 " return bar + T{};\n" 1112 "}"; 1113 BaseTokenCount = 26; 1114 TestRequires(__LINE__); 1115 1116 BaseCode = "template<typename T>\n" 1117 "T foo();"; 1118 ConstrainedCode = "template<typename T>\n" 1119 "T foo() requires Foo<T>;"; 1120 BaseTokenCount = 11; 1121 PrefixTokenCount = 9; 1122 TestRequires(__LINE__); 1123 1124 BaseCode = "template<typename T>\n" 1125 "T foo() {\n" 1126 " auto bar = baz();\n" 1127 " return bar + T{};\n" 1128 "}"; 1129 ConstrainedCode = "template<typename T>\n" 1130 "T foo() requires Foo<T> {\n" 1131 " auto bar = baz();\n" 1132 " return bar + T{};\n" 1133 "}"; 1134 BaseTokenCount = 26; 1135 TestRequires(__LINE__); 1136 1137 BaseCode = "template<typename T>\n" 1138 "T foo();"; 1139 ConstrainedCode = "template<typename T>\n" 1140 " requires(Foo<T>)\n" 1141 "T foo();"; 1142 BaseTokenCount = 11; 1143 RequiresTokenCount = 7; 1144 PrefixTokenCount = 5; 1145 TestRequires(__LINE__); 1146 1147 BaseCode = "template<typename T>\n" 1148 "Bar(T) -> Bar<typename T::I>;"; 1149 ConstrainedCode = "template<typename T>\n" 1150 " requires requires(T &&t) {\n" 1151 " typename T::I;\n" 1152 " }\n" 1153 "Bar(T) -> Bar<typename T::I>;"; 1154 BaseTokenCount = 19; 1155 RequiresTokenCount = 14; 1156 PrefixTokenCount = 5; 1157 TestRequires(__LINE__); 1158 1159 BaseCode = "struct [[nodiscard]] zero_t {\n" 1160 " template<class T>\n" 1161 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1162 "};"; 1163 ConstrainedCode = 1164 "struct [[nodiscard]] zero_t {\n" 1165 " template<class T>\n" 1166 " requires requires { v<T>; }\n" 1167 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1168 "};"; 1169 BaseTokenCount = 35; 1170 RequiresTokenCount = 9; 1171 PrefixTokenCount = 13; 1172 TestRequires(__LINE__); 1173 1174 BaseCode = "constexpr Foo(Foo const &other)\n" 1175 " : value{other.value} {\n" 1176 " do_magic();\n" 1177 " do_more_magic();\n" 1178 "}"; 1179 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1180 " requires std::is_copy_constructible<T>\n" 1181 " : value{other.value} {\n" 1182 " do_magic();\n" 1183 " do_more_magic();\n" 1184 "}"; 1185 BaseTokenCount = 26; 1186 RequiresTokenCount = 7; 1187 PrefixTokenCount = 8; 1188 TestRequires(__LINE__); 1189 1190 BaseCode = "constexpr Foo(Foo const &other)\n" 1191 " : value{other.value} {\n" 1192 " do_magic();\n" 1193 " do_more_magic();\n" 1194 "}"; 1195 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1196 " requires (std::is_copy_constructible<T>)\n" 1197 " : value{other.value} {\n" 1198 " do_magic();\n" 1199 " do_more_magic();\n" 1200 "}"; 1201 RequiresTokenCount = 9; 1202 TestRequires(__LINE__); 1203 } 1204 1205 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1206 auto Tokens = annotate("__asm{\n" 1207 "a:\n" 1208 "};"); 1209 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1210 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1211 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1212 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1213 } 1214 1215 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1216 auto Tokens = annotate("int (^)() = ^ ()\n" 1217 " external_source_symbol() { //\n" 1218 " return 1;\n" 1219 "};"); 1220 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1221 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1222 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1223 1224 Tokens = annotate("int *p = ^int*(){ //\n" 1225 " return nullptr;\n" 1226 "}();"); 1227 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1228 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1229 } 1230 1231 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1232 auto Tokens = annotate("void f() {\n" 1233 " //\n" 1234 " BOOL a = [b.c n] > 1;\n" 1235 "}"); 1236 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 1237 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1238 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1239 } 1240 1241 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1242 auto Tokens = annotate("[]() constexpr {}"); 1243 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1244 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1245 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1246 1247 Tokens = annotate("[]() consteval {}"); 1248 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1249 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1250 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1251 1252 Tokens = annotate("[]() mutable {}"); 1253 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1254 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1255 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1256 1257 Tokens = annotate("[]() static {}"); 1258 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1259 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1260 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1261 1262 Tokens = annotate("[]() -> auto {}"); 1263 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1264 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1265 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1266 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1267 1268 Tokens = annotate("[]() -> auto & {}"); 1269 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1270 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1271 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1272 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1273 1274 Tokens = annotate("[]() -> auto * {}"); 1275 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1276 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1277 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1278 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1279 1280 Tokens = annotate("[] {}"); 1281 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1282 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1283 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1284 1285 Tokens = annotate("[] noexcept {}"); 1286 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1287 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1288 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1289 1290 Tokens = annotate("[] -> auto {}"); 1291 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1292 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1293 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1294 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1295 1296 Tokens = annotate("[] <typename T> () {}"); 1297 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1298 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1299 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1300 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1301 1302 Tokens = annotate("[] <typename T> {}"); 1303 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1304 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1305 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1306 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1307 1308 Tokens = annotate("[] <typename... T> () {}"); 1309 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1310 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1311 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1312 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1313 1314 Tokens = annotate("[] <typename... T> {}"); 1315 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1316 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1317 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1318 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1319 1320 Tokens = annotate("[] <int... T> () {}"); 1321 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1322 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1323 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1324 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1325 1326 Tokens = annotate("[] <int... T> {}"); 1327 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1328 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1329 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1330 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1331 1332 Tokens = annotate("[] <Foo... T> () {}"); 1333 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1334 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1335 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1336 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1337 1338 Tokens = annotate("[] <Foo... T> {}"); 1339 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1340 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1341 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1342 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1343 1344 // Lambdas with a requires-clause 1345 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1346 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1347 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1348 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1349 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1350 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1351 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1352 1353 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1354 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1355 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1356 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1357 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1358 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1359 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1360 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1361 1362 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1363 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1364 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1365 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1366 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1367 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1368 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1369 1370 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1371 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1372 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1373 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1374 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1375 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1376 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1377 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1378 1379 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1380 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1381 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1382 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1383 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1384 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1385 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1386 1387 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1388 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1389 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1390 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1391 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1392 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1393 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1394 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1395 1396 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1397 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1398 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1399 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1400 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1401 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1402 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1403 1404 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1405 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1406 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1407 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1408 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1409 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1410 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1411 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1412 1413 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1414 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1415 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1416 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1417 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1418 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1419 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1420 1421 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1422 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1423 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1424 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1425 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1426 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1427 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1428 1429 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1430 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1431 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1432 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1433 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1434 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1435 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1436 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1437 1438 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1439 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1440 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1441 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1442 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1443 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1444 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1445 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1446 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1447 } 1448 1449 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1450 auto Tokens = annotate("template <typename T>\n" 1451 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1452 "string OldFunction(const string ¶meter) {}"); 1453 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1454 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1455 1456 Tokens = annotate("template <typename T>\n" 1457 "A(T) noexcept;"); 1458 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1459 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1460 } 1461 1462 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1463 auto Tokens = annotate("void f [[noreturn]] ();"); 1464 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1465 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1466 1467 Tokens = annotate("void f [[noreturn]] () {}"); 1468 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1469 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1470 } 1471 1472 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1473 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1474 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1475 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1476 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1477 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1478 } 1479 1480 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 1481 auto Annotate = [this](llvm::StringRef Code) { 1482 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 1483 }; 1484 // Test that unary operators get labeled as such and that operators like '++' 1485 // don't get split. 1486 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 1487 tok::tilde, tok::amp, tok::pipe, 1488 tok::caret, tok::plusplus, tok::minusminus}; 1489 for (auto Kind : Unary) { 1490 auto Tokens = 1491 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 1492 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1493 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 1494 } 1495 // Operators formed by joining two operators like '^~'. For some of these 1496 // joined operators, we don't have a separate type, so we only test for their 1497 // precedence. 1498 std::pair<prec::Level, std::string> JoinedBinary[] = { 1499 {prec::Comma, "<->"}, {prec::Assignment, "+="}, 1500 {prec::Assignment, "-="}, {prec::Assignment, "*="}, 1501 {prec::Assignment, "/="}, {prec::Assignment, "%="}, 1502 {prec::Assignment, "&="}, {prec::Assignment, "^="}, 1503 {prec::Assignment, "<<="}, {prec::Assignment, ">>="}, 1504 {prec::Assignment, "<<<="}, {prec::Assignment, ">>>="}, 1505 {prec::LogicalOr, "||"}, {prec::LogicalAnd, "&&"}, 1506 {prec::Equality, "=="}, {prec::Equality, "!="}, 1507 {prec::Equality, "==="}, {prec::Equality, "!=="}, 1508 {prec::Equality, "==?"}, {prec::Equality, "!=?"}, 1509 {prec::ExclusiveOr, "~^"}, {prec::ExclusiveOr, "^~"}, 1510 }; 1511 for (auto Operator : JoinedBinary) { 1512 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 1513 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1514 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 1515 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 1516 } 1517 // '~^' and '^~' can be unary as well as binary operators. 1518 auto Tokens = Annotate("x = ~^x;"); 1519 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1520 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 1521 Tokens = Annotate("x = ^~x;"); 1522 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1523 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 1524 // The unary operators '~&' and '~|' can only be unary operators. The current 1525 // implementation treats each of them as separate unary '~' and '&' or '|' 1526 // operators, which is enough for formatting purposes. In FormatTestVerilog, 1527 // there is a test that there is no space in between. And even if a new line 1528 // is inserted between the '~' and '|', the semantic meaning is the same as 1529 // the joined operator, so the CanBreakBefore property doesn't need to be 1530 // false for the second operator. 1531 Tokens = Annotate("x = ~&x;"); 1532 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1533 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 1534 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 1535 Tokens = Annotate("x = ~|x;"); 1536 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1537 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 1538 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 1539 // Test for block label colons. 1540 Tokens = Annotate("begin : x\n" 1541 "end : x"); 1542 ASSERT_EQ(Tokens.size(), 7u); 1543 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 1544 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 1545 // Test that the dimension colon is annotated correctly. 1546 Tokens = Annotate("var [1 : 0] x;"); 1547 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1548 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 1549 Tokens = Annotate("extern function [1 : 0] x;"); 1550 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1551 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 1552 // Test case labels and ternary operators. 1553 Tokens = Annotate("case (x)\n" 1554 " x:\n" 1555 " x;\n" 1556 "endcase\n"); 1557 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1558 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GotoLabelColon); 1559 Tokens = Annotate("case (x)\n" 1560 " x ? x : x:\n" 1561 " x;\n" 1562 "endcase\n"); 1563 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1564 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 1565 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 1566 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GotoLabelColon); 1567 // Non-blocking assignments. 1568 Tokens = Annotate("a <= b;"); 1569 ASSERT_EQ(Tokens.size(), 5u); 1570 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 1571 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 1572 Tokens = Annotate("if (a <= b) break;"); 1573 ASSERT_EQ(Tokens.size(), 9u); 1574 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 1575 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 1576 Tokens = Annotate("a <= b <= a;"); 1577 ASSERT_EQ(Tokens.size(), 7u); 1578 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 1579 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 1580 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 1581 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 1582 } 1583 1584 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 1585 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 1586 1587 // The TT_Unknown is clearly not binding for the future, please adapt if those 1588 // tokens get annotated. 1589 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1590 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 1591 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1592 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 1593 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1594 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 1595 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 1596 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 1597 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 1598 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1599 1600 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 1601 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1602 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 1603 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1604 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 1605 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 1606 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 1607 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 1608 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 1609 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 1610 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1611 } 1612 1613 } // namespace 1614 } // namespace format 1615 } // namespace clang 1616