1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public ::testing::Test { 28 protected: 29 TokenList annotate(llvm::StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 46 do { \ 47 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 48 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 49 } while (false) 50 51 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 52 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 53 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 54 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 55 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 56 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 57 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 59 60 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 61 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 62 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 63 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 64 65 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 66 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 67 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 68 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 69 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 70 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 72 73 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 74 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 75 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 76 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 77 78 Tokens = annotate("void f() {\n" 79 " while (p < a && *p == 'a')\n" 80 " p++;\n" 81 "}"); 82 EXPECT_EQ(Tokens.size(), 21u) << Tokens; 83 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 84 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 85 86 Tokens = annotate("case *x:"); 87 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 88 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 89 Tokens = annotate("case &x:"); 90 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 91 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 92 93 Tokens = annotate("bool b = 3 == int{3} && true;\n"); 94 EXPECT_EQ(Tokens.size(), 13u) << Tokens; 95 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 96 97 Tokens = annotate("struct {\n" 98 "} *ptr;"); 99 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 100 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 101 Tokens = annotate("union {\n" 102 "} *ptr;"); 103 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 104 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 105 Tokens = annotate("class {\n" 106 "} *ptr;"); 107 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 108 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 109 110 Tokens = annotate("struct {\n" 111 "} &&ptr = {};"); 112 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 113 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 114 Tokens = annotate("union {\n" 115 "} &&ptr = {};"); 116 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 117 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 118 Tokens = annotate("class {\n" 119 "} &&ptr = {};"); 120 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 121 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 122 Tokens = annotate("int i = int{42} * 2;"); 123 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 124 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 125 126 Tokens = annotate("delete[] *ptr;"); 127 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 128 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 129 Tokens = annotate("delete[] **ptr;"); 130 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 131 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 132 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 133 Tokens = annotate("delete[] *(ptr);"); 134 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 135 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 136 137 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 138 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 139 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 140 // FIXME: The star of a function pointer probably makes more sense as 141 // TT_PointerOrReference. 142 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 143 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 144 145 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 146 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 147 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 148 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 149 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 150 151 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 152 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 153 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 154 155 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 156 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 157 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 158 159 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 160 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 161 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 162 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 163 164 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 165 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 166 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 167 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 168 169 Tokens = annotate("Type1 &val1 = val2;"); 170 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 171 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 172 173 Tokens = annotate("Type1 *val1 = &val2;"); 174 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 175 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 176 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 177 178 Tokens = annotate("val1 & val2;"); 179 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 180 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 181 182 Tokens = annotate("val1 & val2.member;"); 183 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 184 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 185 186 Tokens = annotate("val1 & val2.*member;"); 187 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 188 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 189 190 Tokens = annotate("val1.*member & val2;"); 191 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 192 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 193 194 Tokens = annotate("val1 & val2->*member;"); 195 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 196 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 197 198 Tokens = annotate("val1->member & val2;"); 199 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 200 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 201 202 Tokens = annotate("val1 & val2 & val3;"); 203 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 204 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 205 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 206 207 Tokens = annotate("val1 & val2 // comment\n" 208 " & val3;"); 209 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 210 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 211 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 212 213 Tokens = 214 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 215 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 216 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 217 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 218 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 220 221 Tokens = annotate("class c {\n" 222 " void func(type &a) { a & member; }\n" 223 " anotherType &member;\n" 224 "}"); 225 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 226 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 227 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 228 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 229 230 Tokens = annotate("struct S {\n" 231 " auto Mem = C & D;\n" 232 "}"); 233 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 234 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 235 236 Tokens = 237 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 238 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 239 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 240 241 Tokens = annotate("template <typename T> struct S {\n" 242 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 243 "};"); 244 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 245 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 246 247 Tokens = annotate("template <bool B = C && D> struct S {};"); 248 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 249 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 250 251 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 252 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 253 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 254 255 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 256 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 257 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 258 259 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 260 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 261 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 262 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 263 264 Tokens = annotate("Foo<A && B> a = {};"); 265 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 266 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 267 268 Tokens = annotate("Foo<A &&> a = {};"); 269 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 270 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 271 272 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 273 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 274 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 275 276 Tokens = 277 annotate("auto foo() noexcept(noexcept(bar()) && " 278 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 279 EXPECT_EQ(Tokens.size(), 38u) << Tokens; 280 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 281 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 282 283 Tokens = annotate("foo = *i < *j && *j > *k;"); 284 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 285 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 286 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 287 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 288 289 FormatStyle Style = getLLVMStyle(); 290 Style.TypeNames.push_back("MYI"); 291 Tokens = annotate("if (MYI *p{nullptr})", Style); 292 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 293 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 294 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 295 296 Style.TypeNames.push_back("Class"); 297 Tokens = annotate("if (Class *obj {getObj()})", Style); 298 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 299 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 300 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 301 } 302 303 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 304 auto Tokens = annotate("x - 0"); 305 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 306 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 307 Tokens = annotate("0 + 0"); 308 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 309 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 310 Tokens = annotate("x + +0"); 311 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 312 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 313 Tokens = annotate("x ? -0 : +0"); 314 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 315 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 316 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 317 Tokens = annotate("(-0)"); 318 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 319 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 320 Tokens = annotate("0, -0"); 321 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 322 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 323 Tokens = annotate("for (; -1;) {\n}"); 324 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 325 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 326 Tokens = annotate("x = -1;"); 327 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 328 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 329 Tokens = annotate("x[-1]"); 330 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 331 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 332 Tokens = annotate("x = {-1};"); 333 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 334 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 335 Tokens = annotate("case -x:"); 336 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 337 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 338 Tokens = annotate("co_await -x;"); 339 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 340 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 341 Tokens = annotate("co_return -x;"); 342 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 343 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 344 Tokens = annotate("co_yield -x;"); 345 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 346 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 347 Tokens = annotate("delete -x;"); 348 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 349 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 350 Tokens = annotate("return -x;"); 351 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 352 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 353 Tokens = annotate("throw -x;"); 354 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 355 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 356 Tokens = annotate("sizeof -x"); 357 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 358 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 359 Tokens = annotate("co_await +x;"); 360 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 361 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 362 Tokens = annotate("co_return +x;"); 363 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 364 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 365 Tokens = annotate("co_yield +x;"); 366 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 367 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 368 Tokens = annotate("delete +x;"); 369 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 370 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 371 Tokens = annotate("return +x;"); 372 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 373 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 374 Tokens = annotate("throw +x;"); 375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 376 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 377 Tokens = annotate("sizeof +x"); 378 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 379 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 380 Tokens = annotate("(int)-x"); 381 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 382 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 383 Tokens = annotate("(-x)"); 384 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 385 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 386 Tokens = annotate("!+x"); 387 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 388 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 389 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 390 } 391 392 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 393 auto Tokens = annotate("class C {};"); 394 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 395 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 396 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 397 398 Tokens = annotate("const class C {} c;"); 399 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 400 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 401 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 402 403 Tokens = annotate("const class {} c;"); 404 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 405 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 406 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 407 408 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 409 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 410 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 411 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 412 } 413 414 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 415 auto Tokens = annotate("struct S {};"); 416 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 417 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 418 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 419 420 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 421 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 422 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 423 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 424 425 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 426 EXPECT_EQ(Tokens.size(), 19u) << Tokens; 427 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 428 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 429 430 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 431 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 432 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 433 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 434 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 435 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 436 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 437 438 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 439 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 440 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 441 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 442 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 443 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 444 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 445 446 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 447 " void f(T const (&a)[n]);\n" 448 "};"); 449 EXPECT_EQ(Tokens.size(), 35u) << Tokens; 450 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 451 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 452 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 453 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 454 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 455 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 456 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 457 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 458 } 459 460 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 461 auto Tokens = annotate("union U {};"); 462 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 463 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 464 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 465 466 Tokens = annotate("union U { void f() { return; } };"); 467 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 468 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 469 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 470 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 471 } 472 473 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 474 auto Tokens = annotate("enum E {};"); 475 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 476 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 477 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 478 } 479 480 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 481 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 482 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 483 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 484 485 Tokens = annotate("template <typename T> void F(T) && = delete;"); 486 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 487 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 488 } 489 490 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 491 auto Tokens = 492 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 493 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 494 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 495 } 496 497 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 498 auto Tokens = 499 annotate("template <typename T> " 500 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 501 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 502 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 503 } 504 505 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 506 auto Tokens = 507 annotate("#define FOO(typeName) \\\n" 508 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 509 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 510 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 511 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 512 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 513 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 514 } 515 516 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 517 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 518 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 519 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 520 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 521 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 522 } 523 524 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 525 auto Tokens = annotate("return a < b && c > d;"); 526 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 527 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 528 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 529 530 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 531 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 532 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 533 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 534 535 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 536 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 537 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 538 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 539 } 540 541 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 542 FormatStyle Style = getLLVMStyle(); 543 Style.WhitespaceSensitiveMacros.push_back("FOO"); 544 545 auto Tokens = annotate("FOO(1+2 )\n", Style); 546 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 547 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 548 549 Tokens = annotate("FOO(a:b:c)\n", Style); 550 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 551 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 552 } 553 554 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 555 auto Tokens = annotate("delete (void *)p;"); 556 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 557 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 558 559 Tokens = annotate("delete[] (void *)p;"); 560 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 561 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 562 563 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 564 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 565 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 566 567 Tokens = annotate("delete[/*comment*/] (void *)p;"); 568 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 569 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 570 571 Tokens = annotate("delete/*comment*/[] (void *)p;"); 572 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 573 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 574 } 575 576 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 577 auto Tokens = annotate("(void)p;"); 578 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 579 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 580 581 Tokens = annotate("auto x = (Foo)p;"); 582 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 583 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 584 585 Tokens = annotate("(std::vector<int>)p;"); 586 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 587 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 588 589 Tokens = annotate("return (Foo)p;"); 590 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 591 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 592 593 Tokens = annotate("throw (Foo)p;"); 594 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 595 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 596 597 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 598 EXPECT_EQ(Tokens.size(), 21u) << Tokens; 599 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 600 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 601 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 602 603 Tokens = annotate("return (Foo) & 10;"); 604 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 605 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 606 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 607 } 608 609 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 610 auto Tokens = annotate("void f() throw(int);"); 611 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 612 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 613 } 614 615 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 616 auto Tokens = annotate("void f() &;"); 617 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 618 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 619 620 Tokens = annotate("void operator=(T) &&;"); 621 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 622 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 623 624 Tokens = annotate("template <typename T> void f() &;"); 625 EXPECT_EQ(Tokens.size(), 12u) << Tokens; 626 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 627 628 Tokens = annotate("template <typename T> void operator=(T) &;"); 629 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 630 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 631 } 632 633 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 634 auto Tokens = annotate("x.operator+()"); 635 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 636 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 637 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 638 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 639 Tokens = annotate("x.operator=()"); 640 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 641 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 642 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 643 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 644 Tokens = annotate("x.operator+=()"); 645 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 646 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 647 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 648 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 649 Tokens = annotate("x.operator,()"); 650 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 651 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 652 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 653 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 654 Tokens = annotate("x.operator()()"); 655 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 656 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 657 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 658 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 659 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 660 Tokens = annotate("x.operator[]()"); 661 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 662 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 663 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 664 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 665 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 666 Tokens = annotate("x.operator\"\"_a()"); 667 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 668 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 669 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 670 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 671 Tokens = annotate("x.operator\"\" _a()"); 672 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 673 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 674 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 675 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 676 Tokens = annotate("x.operator\"\"if()"); 677 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 678 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 679 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 680 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 681 Tokens = annotate("x.operator\"\"s()"); 682 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 683 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 684 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 685 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 686 Tokens = annotate("x.operator\"\" s()"); 687 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 688 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 689 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 690 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 691 692 Tokens = annotate("int operator+(int);"); 693 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 694 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 695 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 696 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 697 Tokens = annotate("auto operator=(T&) {}"); 698 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 699 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 700 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 701 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 702 Tokens = annotate("auto operator()() {}"); 703 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 704 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 705 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 706 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 707 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 708 709 Tokens = annotate("class Foo {\n" 710 " int operator+(a* b);\n" 711 "}"); 712 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 713 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 714 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 715 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 716 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 717 718 Tokens = annotate("class Foo {\n" 719 " int c = operator+(a * b);\n" 720 "}"); 721 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 722 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 723 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 724 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 725 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 726 727 Tokens = annotate("void foo() {\n" 728 " operator+(a * b);\n" 729 "}"); 730 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 731 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 732 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 733 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 734 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 735 736 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 737 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 738 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 739 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 740 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 741 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 742 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 743 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 744 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 745 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 746 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 747 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 748 749 Tokens = annotate("class Foo {\n" 750 " void foo() {\n" 751 " operator+(a * b);\n" 752 " }\n" 753 "}"); 754 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 755 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 756 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 757 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 758 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 759 760 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 761 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 762 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 763 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 764 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 765 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 766 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 767 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 768 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 769 770 Tokens = annotate("decltype(auto) operator()(T &x);"); 771 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 772 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 773 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 774 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 775 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 776 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 777 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 778 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 779 } 780 781 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 782 struct { 783 const char *Text; 784 tok::TokenKind Kind; 785 } Operators[] = {{"+", tok::plus}, 786 {"-", tok::minus}, 787 // FIXME: 788 // {"*", tok::star}, 789 {"/", tok::slash}, 790 {"%", tok::percent}, 791 {"^", tok::caret}, 792 // FIXME: 793 // {"&", tok::amp}, 794 {"|", tok::pipe}, 795 {"~", tok::tilde}, 796 {"!", tok::exclaim}, 797 {"=", tok::equal}, 798 // FIXME: 799 // {"<", tok::less}, 800 {">", tok::greater}, 801 {"+=", tok::plusequal}, 802 {"-=", tok::minusequal}, 803 {"*=", tok::starequal}, 804 {"/=", tok::slashequal}, 805 {"%=", tok::percentequal}, 806 {"^=", tok::caretequal}, 807 {"&=", tok::ampequal}, 808 {"|=", tok::pipeequal}, 809 {"<<", tok::lessless}, 810 {">>", tok::greatergreater}, 811 {">>=", tok::greatergreaterequal}, 812 {"<<=", tok::lesslessequal}, 813 {"==", tok::equalequal}, 814 {"!=", tok::exclaimequal}, 815 {"<=", tok::lessequal}, 816 {">=", tok::greaterequal}, 817 {"<=>", tok::spaceship}, 818 {"&&", tok::ampamp}, 819 {"||", tok::pipepipe}, 820 {"++", tok::plusplus}, 821 {"--", tok::minusminus}, 822 {",", tok::comma}, 823 {"->*", tok::arrowstar}, 824 {"->", tok::arrow}}; 825 826 for (const auto &Operator : Operators) { 827 std::string Input("C<&operator"); 828 Input += Operator.Text; 829 Input += " > a;"; 830 auto Tokens = annotate(std::string(Input)); 831 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 832 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 833 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 834 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 835 } 836 837 auto Tokens = annotate("C<&operator< <X>> lt;"); 838 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 839 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 840 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 841 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 842 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 843 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 844 } 845 846 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 847 auto Tokens = annotate("template <typename T>\n" 848 "concept C = (Foo && Bar) && (Bar && Baz);"); 849 850 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 851 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 852 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 853 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 854 855 Tokens = annotate("template <typename T>\n" 856 "concept C = Foo && !Bar;"); 857 858 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 859 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 860 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 861 862 Tokens = annotate("template <typename T>\n" 863 "concept C = requires(T t) {\n" 864 " { t.foo() };\n" 865 "} && Bar<T> && Baz<T>;"); 866 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 867 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 868 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 869 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 870 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 871 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 872 873 Tokens = annotate("template<typename T>\n" 874 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 875 "struct Foo;"); 876 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 877 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 878 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 879 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 880 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 881 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 882 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 883 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 884 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 885 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 886 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 887 888 Tokens = 889 annotate("template<typename T>\n" 890 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 891 "struct Foo;"); 892 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 893 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 894 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 895 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 896 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 897 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 898 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 899 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 900 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 901 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 902 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 903 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 904 905 Tokens = annotate("template <typename T>\n" 906 "void foo(T) noexcept requires Bar<T>;"); 907 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 908 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 909 910 Tokens = annotate("template <typename T>\n" 911 "requires Bar<T> || Baz<T>\n" 912 "auto foo(T) -> int;"); 913 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 914 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 915 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 916 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 917 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 918 919 Tokens = annotate("template <typename T>\n" 920 "requires Bar<T>\n" 921 "bool foo(T) { return false; }"); 922 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 923 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 924 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 925 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 926 927 Tokens = annotate("template <typename T>\n" 928 "requires Bar<T>\n" 929 "decltype(auto) foo(T) { return false; }"); 930 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 931 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 932 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 933 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 934 935 Tokens = annotate("template <typename T>\n" 936 "struct S {\n" 937 " void foo() const requires Bar<T>;\n" 938 " void bar() const & requires Baz<T>;\n" 939 " void bar() && requires Baz2<T>;\n" 940 " void baz() const & noexcept requires Baz<T>;\n" 941 " void baz() && noexcept requires Baz2<T>;\n" 942 "};\n" 943 "\n" 944 "void S::bar() const & requires Baz<T> { }"); 945 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 946 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 947 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 948 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 949 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 950 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 951 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 952 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 953 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 954 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 955 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 956 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 957 958 Tokens = annotate("void Class::member() && requires(Constant) {}"); 959 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 960 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 961 962 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 963 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 964 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 965 966 Tokens = 967 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 968 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 969 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 970 971 Tokens = annotate("void Class::member() && requires(typename " 972 "Namespace::Outer<T>::Inner::Constant) {}"); 973 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 974 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 975 976 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 977 " template<class T>\n" 978 " requires requires { number_zero_v<T>; }\n" 979 " [[nodiscard]] constexpr operator T() const { " 980 "return number_zero_v<T>; }\n" 981 "};"); 982 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 983 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 984 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 985 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 986 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 987 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 988 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 989 990 Tokens = 991 annotate("template <class A, class B> concept C =" 992 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 993 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 994 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 995 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 996 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 997 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 998 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 999 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1000 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1001 1002 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1003 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1004 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1005 1006 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1007 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1008 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1009 1010 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1011 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1012 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1013 1014 Tokens = 1015 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1016 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1017 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1018 1019 Tokens = 1020 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1021 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1022 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1023 1024 Tokens = 1025 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1026 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1027 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1028 1029 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1030 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1031 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1032 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1033 1034 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1035 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1036 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1037 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1038 1039 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1040 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1041 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1042 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1043 1044 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1045 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1046 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1047 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1048 1049 Tokens = annotate("void f() & requires(true) {}"); 1050 EXPECT_EQ(Tokens.size(), 12u) << Tokens; 1051 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1052 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1053 1054 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1055 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 1056 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1057 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1058 } 1059 1060 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1061 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1062 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1063 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1064 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1065 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1066 1067 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1068 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1069 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1070 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1071 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1072 1073 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1074 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1075 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1076 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1077 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1078 1079 Tokens = annotate("foo(requires(const T t) {});"); 1080 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1081 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1082 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1083 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1084 1085 Tokens = annotate("foo(requires(const int t) {});"); 1086 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1087 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1088 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1089 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1090 1091 Tokens = annotate("foo(requires(const T t) {});"); 1092 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1093 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1094 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1095 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1096 1097 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1098 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1099 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1100 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1101 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1102 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1103 1104 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1105 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1106 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1107 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1108 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1109 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1110 1111 Tokens = annotate("foo(requires(T& t) {});"); 1112 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1113 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1114 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1115 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1116 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1117 1118 Tokens = annotate("foo(requires(T&& t) {});"); 1119 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1120 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1121 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1122 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1123 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1124 1125 Tokens = annotate("bool foo = requires(T& t) {};"); 1126 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1127 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1128 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1129 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1130 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1131 1132 Tokens = annotate("bool foo = requires(T&& t) {};"); 1133 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1134 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1135 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1136 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1137 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1138 1139 Tokens = 1140 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1141 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1142 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1143 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1144 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1145 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1146 1147 Tokens = annotate("template <typename T>\n" 1148 "concept C = requires(T T) {\n" 1149 " requires Bar<T> && Foo<T>;\n" 1150 "};"); 1151 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1152 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1153 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1154 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1155 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1156 TT_RequiresClauseInARequiresExpression); 1157 1158 Tokens = annotate("template <typename T>\n" 1159 "concept C = requires(T T) {\n" 1160 " { t.func() } -> std::same_as<int>;" 1161 " requires Bar<T> && Foo<T>;\n" 1162 "};"); 1163 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1164 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1165 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1166 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1167 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1168 TT_RequiresClauseInARequiresExpression); 1169 1170 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1171 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1172 "requires true; };"); 1173 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1174 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1175 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1176 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1177 1178 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1179 " { c.foo(); }\n" 1180 "};"); 1181 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1182 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1183 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1184 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1185 } 1186 1187 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1188 // Everything after #pragma region should be ImplicitStringLiteral 1189 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1190 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1191 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1192 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1193 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1194 1195 // Make sure it's annotated correctly inside a function as well 1196 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1197 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1198 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1199 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1200 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1201 } 1202 1203 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1204 const char *BaseCode = nullptr; 1205 const char *ConstrainedCode = nullptr; 1206 auto BaseTokenCount = 0u; 1207 auto RequiresTokenCount = 0u; 1208 auto PrefixTokenCount = 0u; 1209 1210 auto TestRequires = [&](int Line) { 1211 const auto BaseTokens = annotate(BaseCode); 1212 const auto ConstrainedTokens = annotate(ConstrainedCode); 1213 1214 #define LINE " (Line " << Line << ')' 1215 1216 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1217 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1218 << LINE; 1219 1220 for (auto I = 0u; I < BaseTokenCount; ++I) { 1221 EXPECT_EQ( 1222 *BaseTokens[I], 1223 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1224 << I << LINE; 1225 } 1226 1227 #undef LINE 1228 }; 1229 1230 BaseCode = "template<typename T>\n" 1231 "T Pi = 3.14;"; 1232 ConstrainedCode = "template<typename T>\n" 1233 " requires Foo<T>\n" 1234 "T Pi = 3.14;"; 1235 BaseTokenCount = 11; 1236 RequiresTokenCount = 5; 1237 PrefixTokenCount = 5; 1238 TestRequires(__LINE__); 1239 1240 BaseCode = "template<typename T>\n" 1241 "struct Bar;"; 1242 ConstrainedCode = "template<typename T>\n" 1243 " requires Foo<T>\n" 1244 "struct Bar;"; 1245 BaseTokenCount = 9; 1246 TestRequires(__LINE__); 1247 1248 BaseCode = "template<typename T>\n" 1249 "struct Bar {\n" 1250 " T foo();\n" 1251 " T bar();\n" 1252 "};"; 1253 ConstrainedCode = "template<typename T>\n" 1254 " requires Foo<T>\n" 1255 "struct Bar {\n" 1256 " T foo();\n" 1257 " T bar();\n" 1258 "};"; 1259 BaseTokenCount = 21; 1260 TestRequires(__LINE__); 1261 1262 BaseCode = "template<typename T>\n" 1263 "Bar(T) -> Bar<T>;"; 1264 ConstrainedCode = "template<typename T>\n" 1265 " requires Foo<T>\n" 1266 "Bar(T) -> Bar<T>;"; 1267 BaseTokenCount = 16; 1268 TestRequires(__LINE__); 1269 1270 BaseCode = "template<typename T>\n" 1271 "T foo();"; 1272 ConstrainedCode = "template<typename T>\n" 1273 " requires Foo<T>\n" 1274 "T foo();"; 1275 BaseTokenCount = 11; 1276 TestRequires(__LINE__); 1277 1278 BaseCode = "template<typename T>\n" 1279 "T foo() {\n" 1280 " auto bar = baz();\n" 1281 " return bar + T{};\n" 1282 "}"; 1283 ConstrainedCode = "template<typename T>\n" 1284 " requires Foo<T>\n" 1285 "T foo() {\n" 1286 " auto bar = baz();\n" 1287 " return bar + T{};\n" 1288 "}"; 1289 BaseTokenCount = 26; 1290 TestRequires(__LINE__); 1291 1292 BaseCode = "template<typename T>\n" 1293 "T foo();"; 1294 ConstrainedCode = "template<typename T>\n" 1295 "T foo() requires Foo<T>;"; 1296 BaseTokenCount = 11; 1297 PrefixTokenCount = 9; 1298 TestRequires(__LINE__); 1299 1300 BaseCode = "template<typename T>\n" 1301 "T foo() {\n" 1302 " auto bar = baz();\n" 1303 " return bar + T{};\n" 1304 "}"; 1305 ConstrainedCode = "template<typename T>\n" 1306 "T foo() requires Foo<T> {\n" 1307 " auto bar = baz();\n" 1308 " return bar + T{};\n" 1309 "}"; 1310 BaseTokenCount = 26; 1311 TestRequires(__LINE__); 1312 1313 BaseCode = "template<typename T>\n" 1314 "T foo();"; 1315 ConstrainedCode = "template<typename T>\n" 1316 " requires(Foo<T>)\n" 1317 "T foo();"; 1318 BaseTokenCount = 11; 1319 RequiresTokenCount = 7; 1320 PrefixTokenCount = 5; 1321 TestRequires(__LINE__); 1322 1323 BaseCode = "template<typename T>\n" 1324 "Bar(T) -> Bar<typename T::I>;"; 1325 ConstrainedCode = "template<typename T>\n" 1326 " requires requires(T &&t) {\n" 1327 " typename T::I;\n" 1328 " }\n" 1329 "Bar(T) -> Bar<typename T::I>;"; 1330 BaseTokenCount = 19; 1331 RequiresTokenCount = 14; 1332 PrefixTokenCount = 5; 1333 TestRequires(__LINE__); 1334 1335 BaseCode = "struct [[nodiscard]] zero_t {\n" 1336 " template<class T>\n" 1337 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1338 "};"; 1339 ConstrainedCode = 1340 "struct [[nodiscard]] zero_t {\n" 1341 " template<class T>\n" 1342 " requires requires { v<T>; }\n" 1343 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1344 "};"; 1345 BaseTokenCount = 35; 1346 RequiresTokenCount = 9; 1347 PrefixTokenCount = 13; 1348 TestRequires(__LINE__); 1349 1350 BaseCode = "constexpr Foo(Foo const &other)\n" 1351 " : value{other.value} {\n" 1352 " do_magic();\n" 1353 " do_more_magic();\n" 1354 "}"; 1355 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1356 " requires std::is_copy_constructible<T>\n" 1357 " : value{other.value} {\n" 1358 " do_magic();\n" 1359 " do_more_magic();\n" 1360 "}"; 1361 BaseTokenCount = 26; 1362 RequiresTokenCount = 7; 1363 PrefixTokenCount = 8; 1364 TestRequires(__LINE__); 1365 1366 BaseCode = "constexpr Foo(Foo const &other)\n" 1367 " : value{other.value} {\n" 1368 " do_magic();\n" 1369 " do_more_magic();\n" 1370 "}"; 1371 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1372 " requires (std::is_copy_constructible<T>)\n" 1373 " : value{other.value} {\n" 1374 " do_magic();\n" 1375 " do_more_magic();\n" 1376 "}"; 1377 RequiresTokenCount = 9; 1378 TestRequires(__LINE__); 1379 } 1380 1381 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1382 auto Tokens = annotate("__asm{\n" 1383 "a:\n" 1384 "};"); 1385 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1386 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1387 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1388 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1389 } 1390 1391 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1392 auto Tokens = annotate("int (^)() = ^ ()\n" 1393 " external_source_symbol() { //\n" 1394 " return 1;\n" 1395 "};"); 1396 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1397 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1398 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1399 1400 Tokens = annotate("int *p = ^int*(){ //\n" 1401 " return nullptr;\n" 1402 "}();"); 1403 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1404 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1405 } 1406 1407 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1408 auto Tokens = annotate("void f() {\n" 1409 " //\n" 1410 " BOOL a = [b.c n] > 1;\n" 1411 "}"); 1412 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 1413 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1414 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1415 } 1416 1417 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1418 auto Tokens = annotate("[]() constexpr {}"); 1419 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1420 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1421 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1422 1423 Tokens = annotate("[]() consteval {}"); 1424 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1425 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1426 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1427 1428 Tokens = annotate("[]() mutable {}"); 1429 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1430 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1431 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1432 1433 Tokens = annotate("[]() static {}"); 1434 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1435 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1436 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1437 1438 Tokens = annotate("[]() -> auto {}"); 1439 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1440 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1441 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1442 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1443 1444 Tokens = annotate("[]() -> auto & {}"); 1445 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1446 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1447 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1448 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1449 1450 Tokens = annotate("[]() -> auto * {}"); 1451 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1452 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1453 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1454 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1455 1456 Tokens = annotate("[] {}"); 1457 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1458 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1459 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1460 1461 Tokens = annotate("[] noexcept {}"); 1462 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1463 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1464 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1465 1466 Tokens = annotate("[] -> auto {}"); 1467 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1468 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1469 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1470 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1471 1472 Tokens = annotate("[] <typename T> () {}"); 1473 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1474 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1475 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1476 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1477 1478 Tokens = annotate("[] <typename T> {}"); 1479 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1480 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1481 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1482 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1483 1484 Tokens = annotate("[] <typename... T> () {}"); 1485 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1486 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1487 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1488 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1489 1490 Tokens = annotate("[] <typename... T> {}"); 1491 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1492 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1493 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1494 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1495 1496 Tokens = annotate("[] <int... T> () {}"); 1497 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1498 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1499 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1500 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1501 1502 Tokens = annotate("[] <int... T> {}"); 1503 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1504 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1505 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1506 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1507 1508 Tokens = annotate("[] <Foo... T> () {}"); 1509 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1510 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1511 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1512 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1513 1514 Tokens = annotate("[] <Foo... T> {}"); 1515 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1516 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1517 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1518 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1519 1520 // Lambdas with a requires-clause 1521 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1522 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1523 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1524 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1525 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1526 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1527 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1528 1529 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1530 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1531 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1532 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1533 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1534 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1535 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1536 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1537 1538 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1539 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1540 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1541 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1542 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1543 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1544 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1545 1546 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1547 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1548 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1549 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1550 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1551 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1552 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1553 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1554 1555 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1556 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1557 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1558 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1559 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1560 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1561 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1562 1563 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1564 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1565 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1566 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1567 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1568 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1569 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1570 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1571 1572 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1573 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1574 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1575 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1576 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1577 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1578 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1579 1580 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1581 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1582 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1583 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1584 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1585 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1586 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1587 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1588 1589 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1590 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1591 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1592 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1593 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1594 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1595 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1596 1597 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1598 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1599 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1600 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1601 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1602 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1603 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1604 1605 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1606 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1607 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1608 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1609 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1610 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1611 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1612 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1613 1614 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1615 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1616 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1617 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1618 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1619 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1620 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1621 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1622 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1623 } 1624 1625 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1626 auto Tokens = annotate("template <typename T>\n" 1627 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1628 "string OldFunction(const string ¶meter) {}"); 1629 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1630 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1631 1632 Tokens = annotate("template <typename T>\n" 1633 "A(T) noexcept;"); 1634 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1635 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1636 } 1637 1638 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1639 auto Tokens = annotate("void f [[noreturn]] ();"); 1640 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1641 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1642 1643 Tokens = annotate("void f [[noreturn]] () {}"); 1644 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1645 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1646 1647 Tokens = annotate("#define FOO Foo::\n" 1648 "FOO Foo();"); 1649 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1650 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1651 1652 Tokens = annotate("struct Foo {\n" 1653 " Bar (*func)();\n" 1654 "};"); 1655 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1656 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1657 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1658 } 1659 1660 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1661 auto Tokens = annotate("class Foo { public: Foo(); };"); 1662 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1663 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1664 1665 Tokens = annotate("class Foo { public: ~Foo(); };"); 1666 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1667 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1668 1669 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1670 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1671 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1672 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1673 1674 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1675 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1676 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1677 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1678 1679 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1680 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1681 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1682 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1683 1684 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1685 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1686 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1687 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1688 1689 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1690 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1691 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1692 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1693 1694 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1695 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1696 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1697 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1698 1699 Tokens = annotate("Foo::Foo() {}"); 1700 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1701 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1702 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1703 1704 Tokens = annotate("Foo::~Foo() {}"); 1705 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1706 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1707 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1708 1709 Tokens = annotate("struct Test {\n" 1710 " Test()\n" 1711 " : l([] {\n" 1712 " Short::foo();\n" 1713 " }) {}\n" 1714 "};"); 1715 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1716 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1717 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1718 } 1719 1720 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1721 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1722 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1723 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1724 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1725 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1726 } 1727 1728 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1729 auto Tokens = annotate("auto f() -> int;"); 1730 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1731 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1732 1733 Tokens = annotate("auto operator->() -> int;"); 1734 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1735 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1736 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1737 1738 Tokens = annotate("auto operator++(int) -> int;"); 1739 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1740 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1741 1742 Tokens = annotate("auto operator=() -> int;"); 1743 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1744 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1745 1746 Tokens = annotate("auto operator=(int) -> int;"); 1747 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1748 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1749 1750 Tokens = annotate("auto foo() -> auto { return Val; }"); 1751 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1752 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1753 1754 Tokens = annotate("struct S { auto bar() const -> int; };"); 1755 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1756 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1757 1758 // Not trailing return arrows 1759 Tokens = annotate("auto a = b->c;"); 1760 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1761 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1762 1763 Tokens = annotate("auto a = (b)->c;"); 1764 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1765 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1766 1767 Tokens = annotate("auto a = b()->c;"); 1768 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1769 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1770 1771 Tokens = annotate("auto a = b->c();"); 1772 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1773 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1774 1775 Tokens = annotate("decltype(auto) a = b()->c;"); 1776 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1777 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1778 1779 Tokens = annotate("void f() { auto a = b->c(); }"); 1780 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1781 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1782 1783 Tokens = annotate("void f() { auto a = b()->c; }"); 1784 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1785 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1786 1787 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1788 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1789 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1790 1791 // Mixed 1792 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1793 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1794 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1795 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1796 } 1797 1798 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 1799 // '__attribute__' has special handling. 1800 auto Tokens = annotate("__attribute__(X) void Foo(void);"); 1801 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1802 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1803 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1804 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1805 1806 // Generic macro has no special handling in this location. 1807 Tokens = annotate("A(X) void Foo(void);"); 1808 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1809 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 1810 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 1811 1812 // Add a custom AttributeMacro. Test that it has the same behavior. 1813 FormatStyle Style = getLLVMStyle(); 1814 Style.AttributeMacros.push_back("A"); 1815 1816 // An "AttributeMacro" gets annotated like '__attribute__'. 1817 Tokens = annotate("A(X) void Foo(void);", Style); 1818 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1819 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1820 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1821 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1822 } 1823 1824 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 1825 // '__attribute__' has special handling. 1826 auto Tokens = annotate("__attribute__(X) @interface Foo"); 1827 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1828 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1829 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1830 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1831 1832 // Generic macro has no special handling in this location. 1833 Tokens = annotate("A(X) @interface Foo"); 1834 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1835 // Note: Don't check token-type as a random token in this position is hard to 1836 // reason about. 1837 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 1838 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 1839 1840 // Add a custom AttributeMacro. Test that it has the same behavior. 1841 FormatStyle Style = getLLVMStyle(); 1842 Style.AttributeMacros.push_back("A"); 1843 1844 // An "AttributeMacro" gets annotated like '__attribute__'. 1845 Tokens = annotate("A(X) @interface Foo", Style); 1846 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1847 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1848 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1849 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1850 } 1851 1852 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 1853 // '__attribute__' has special handling. 1854 auto Tokens = annotate("- (id)init __attribute__(X);"); 1855 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1856 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 1857 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1858 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 1859 1860 // Generic macro has no special handling in this location. 1861 Tokens = annotate("- (id)init A(X);"); 1862 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1863 // Note: Don't check token-type as a random token in this position is hard to 1864 // reason about. 1865 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 1866 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 1867 1868 // Add a custom AttributeMacro. Test that it has the same behavior. 1869 FormatStyle Style = getLLVMStyle(); 1870 Style.AttributeMacros.push_back("A"); 1871 1872 // An "AttributeMacro" gets annotated like '__attribute__'. 1873 Tokens = annotate("- (id)init A(X);", Style); 1874 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1875 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 1876 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1877 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 1878 } 1879 1880 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 1881 // '__attribute__' has special handling. 1882 auto Tokens = annotate("@property(weak) id delegate __attribute__(X);"); 1883 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1884 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 1885 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 1886 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 1887 1888 // Generic macro has no special handling in this location. 1889 Tokens = annotate("@property(weak) id delegate A(X);"); 1890 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1891 // Note: Don't check token-type as a random token in this position is hard to 1892 // reason about. 1893 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 1894 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 1895 1896 // Add a custom AttributeMacro. Test that it has the same behavior. 1897 FormatStyle Style = getLLVMStyle(); 1898 Style.AttributeMacros.push_back("A"); 1899 1900 // An "AttributeMacro" gets annotated like '__attribute__'. 1901 Tokens = annotate("@property(weak) id delegate A(X);", Style); 1902 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1903 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 1904 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 1905 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 1906 } 1907 1908 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 1909 auto Annotate = [this](llvm::StringRef Code) { 1910 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 1911 }; 1912 // Test that unary operators get labeled as such and that operators like '++' 1913 // don't get split. 1914 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 1915 tok::tilde, tok::amp, tok::pipe, 1916 tok::caret, tok::plusplus, tok::minusminus}; 1917 for (auto Kind : Unary) { 1918 auto Tokens = 1919 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 1920 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1921 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 1922 } 1923 // Operators formed by joining two operators like '^~'. For some of these 1924 // joined operators, we don't have a separate type, so we only test for their 1925 // precedence. 1926 std::pair<prec::Level, std::string> JoinedBinary[] = { 1927 {prec::Comma, "<->"}, {prec::Assignment, "+="}, 1928 {prec::Assignment, "-="}, {prec::Assignment, "*="}, 1929 {prec::Assignment, "/="}, {prec::Assignment, "%="}, 1930 {prec::Assignment, "&="}, {prec::Assignment, "^="}, 1931 {prec::Assignment, "<<="}, {prec::Assignment, ">>="}, 1932 {prec::Assignment, "<<<="}, {prec::Assignment, ">>>="}, 1933 {prec::LogicalOr, "||"}, {prec::LogicalAnd, "&&"}, 1934 {prec::Equality, "=="}, {prec::Equality, "!="}, 1935 {prec::Equality, "==="}, {prec::Equality, "!=="}, 1936 {prec::Equality, "==?"}, {prec::Equality, "!=?"}, 1937 {prec::ExclusiveOr, "~^"}, {prec::ExclusiveOr, "^~"}, 1938 }; 1939 for (auto Operator : JoinedBinary) { 1940 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 1941 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1942 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 1943 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 1944 } 1945 // '~^' and '^~' can be unary as well as binary operators. 1946 auto Tokens = Annotate("x = ~^x;"); 1947 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1948 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 1949 Tokens = Annotate("x = ^~x;"); 1950 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1951 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 1952 // The unary operators '~&' and '~|' can only be unary operators. The current 1953 // implementation treats each of them as separate unary '~' and '&' or '|' 1954 // operators, which is enough for formatting purposes. In FormatTestVerilog, 1955 // there is a test that there is no space in between. And even if a new line 1956 // is inserted between the '~' and '|', the semantic meaning is the same as 1957 // the joined operator, so the CanBreakBefore property doesn't need to be 1958 // false for the second operator. 1959 Tokens = Annotate("x = ~&x;"); 1960 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1961 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 1962 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 1963 Tokens = Annotate("x = ~|x;"); 1964 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1965 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 1966 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 1967 // Test for block label colons. 1968 Tokens = Annotate("begin : x\n" 1969 "end : x"); 1970 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1971 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 1972 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 1973 // Test that the dimension colon is annotated correctly. 1974 Tokens = Annotate("var [1 : 0] x;"); 1975 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1976 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 1977 Tokens = Annotate("extern function [1 : 0] x;"); 1978 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1979 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 1980 Tokens = Annotate("module test\n" 1981 " (input wire [7 : 0] a[7 : 0]);\n" 1982 "endmodule"); 1983 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1984 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 1985 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 1986 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 1987 // Test case labels and ternary operators. 1988 Tokens = Annotate("case (x)\n" 1989 " x:\n" 1990 " x;\n" 1991 "endcase\n"); 1992 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1993 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 1994 Tokens = Annotate("case (x)\n" 1995 " x ? x : x:\n" 1996 " x;\n" 1997 "endcase\n"); 1998 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1999 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2000 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2001 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2002 // Non-blocking assignments. 2003 Tokens = Annotate("a <= b;"); 2004 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2005 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2006 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2007 Tokens = Annotate("if (a <= b) break;"); 2008 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2009 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2010 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2011 Tokens = Annotate("a <= b <= a;"); 2012 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2013 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2014 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2015 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2016 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2017 2018 // Port lists in module instantiation. 2019 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2020 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2021 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2022 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2023 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2024 "instance_2(port_2);"); 2025 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2026 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2027 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2028 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2029 2030 // Condition parentheses. 2031 Tokens = Annotate("assert (x);"); 2032 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2033 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2034 Tokens = Annotate("assert #0 (x);"); 2035 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2036 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2037 Tokens = Annotate("assert final (x);"); 2038 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2039 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2040 Tokens = Annotate("foreach (x[x]) continue;"); 2041 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2042 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2043 Tokens = Annotate("repeat (x[x]) continue;"); 2044 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2045 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2046 Tokens = Annotate("case (x) endcase;"); 2047 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2048 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2049 2050 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2051 // future, please adapt if those tokens get annotated. This test is only here 2052 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2053 Tokens = Annotate("always @(posedge x, posedge y);"); 2054 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2055 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2056 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2057 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2058 2059 // String literals in concatenation. 2060 Tokens = Annotate("x = {\"\"};"); 2061 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2062 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2063 Tokens = Annotate("x = {\"\", \"\"};"); 2064 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2065 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2066 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2067 Tokens = Annotate("x = '{{\"\"}};"); 2068 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2069 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2070 // Cases where the string should not be annotated that type. Fix the 2071 // `TT_Unknown` if needed in the future. 2072 Tokens = Annotate("x = {\"\" == \"\"};"); 2073 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2074 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2075 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2076 Tokens = Annotate("x = {(\"\")};"); 2077 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2078 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2079 Tokens = Annotate("x = '{\"\"};"); 2080 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2081 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2082 } 2083 2084 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2085 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2086 2087 // The TT_Unknown is clearly not binding for the future, please adapt if those 2088 // tokens get annotated. 2089 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2090 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2091 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2092 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2093 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2094 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2095 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2096 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2097 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2098 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2099 2100 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2101 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2102 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2103 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2104 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2105 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2106 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2107 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2108 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2109 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2110 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2111 } 2112 2113 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2114 auto Tokens = annotate("if (x) {}"); 2115 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2116 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2117 Tokens = annotate("if constexpr (x) {}"); 2118 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2119 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2120 Tokens = annotate("if CONSTEXPR (x) {}"); 2121 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2122 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2123 Tokens = annotate("if (x) {} else if (x) {}"); 2124 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2125 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2126 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2127 } 2128 2129 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2130 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2131 2132 auto Tokens = annotate("int? a;", Style); 2133 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 2134 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2135 2136 Tokens = annotate("int? a = 1;", Style); 2137 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 2138 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2139 2140 Tokens = annotate("int?)", Style); 2141 EXPECT_EQ(Tokens.size(), 4u) << Tokens; 2142 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2143 2144 Tokens = annotate("int?>", Style); 2145 EXPECT_EQ(Tokens.size(), 4u) << Tokens; 2146 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2147 2148 Tokens = annotate("cond? id : id2", Style); 2149 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 2150 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2151 2152 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2153 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 2154 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2155 } 2156 2157 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2158 auto Tokens = annotate("{ x: break; }"); 2159 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2160 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2161 Tokens = annotate("{ case x: break; }"); 2162 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2163 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2164 Tokens = annotate("{ x: { break; } }"); 2165 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2166 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2167 Tokens = annotate("{ case x: { break; } }"); 2168 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2169 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2170 } 2171 2172 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2173 // The closing braces are not annotated. It doesn't seem to cause a problem. 2174 // So we only test for the opening braces. 2175 auto Tokens = annotate("{\n" 2176 " {\n" 2177 " { int a = 0; }\n" 2178 " }\n" 2179 " {}\n" 2180 "}"); 2181 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2182 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2183 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2184 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2185 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2186 } 2187 2188 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2189 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2190 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2191 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2192 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2193 2194 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2195 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2196 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2197 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2198 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2199 2200 Tokens = annotate("SomeStruct {\n" 2201 "#ifdef FOO\n" 2202 " .a = 1,\n" 2203 "#endif\n" 2204 " .b = 2\n" 2205 "};"); 2206 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2207 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2208 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2209 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2210 2211 Tokens = annotate("SomeStruct {\n" 2212 "#if defined FOO\n" 2213 " .a = 1,\n" 2214 "#endif\n" 2215 " .b = 2\n" 2216 "};"); 2217 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2218 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2219 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2220 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2221 } 2222 2223 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2224 auto Annotate = [this](llvm::StringRef Code) { 2225 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2226 }; 2227 2228 // Dictionary. 2229 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2230 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2231 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2232 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2233 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2234 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2235 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2236 // Change when we need to annotate these. 2237 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2238 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2239 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2240 } 2241 2242 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2243 auto Tokens = annotate("bool foo __attribute__((unused));"); 2244 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2245 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2246 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2247 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2248 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2249 2250 Tokens = annotate("bool foo __declspec(dllimport);"); 2251 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2252 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2253 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2254 2255 FormatStyle Style = getLLVMStyle(); 2256 Style.AttributeMacros.push_back("FOO"); 2257 Tokens = annotate("bool foo FOO(unused);", Style); 2258 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2259 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2260 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2261 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2262 } 2263 2264 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2265 auto Tokens = annotate("while (true) {}"); 2266 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2267 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2268 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2269 2270 Tokens = annotate("for (;;) {}"); 2271 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2272 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2273 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2274 2275 Tokens = annotate("do {} while (true);"); 2276 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2277 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2278 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2279 2280 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2281 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2282 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2283 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2284 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2285 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2286 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2287 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2288 2289 Tokens = annotate("switch (foo) {}"); 2290 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2291 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2292 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2293 } 2294 2295 } // namespace 2296 } // namespace format 2297 } // namespace clang 2298