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(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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 88 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 89 Tokens = annotate("case &x:"); 90 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 91 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 92 93 Tokens = annotate("bool b = 3 == int{3} && true;"); 94 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 95 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 96 97 Tokens = annotate("struct {\n" 98 "} *ptr;"); 99 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 100 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 101 Tokens = annotate("union {\n" 102 "} *ptr;"); 103 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 104 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 105 Tokens = annotate("class {\n" 106 "} *ptr;"); 107 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 108 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 109 110 Tokens = annotate("struct {\n" 111 "} &&ptr = {};"); 112 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 113 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 114 Tokens = annotate("union {\n" 115 "} &&ptr = {};"); 116 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 117 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 118 Tokens = annotate("class {\n" 119 "} &&ptr = {};"); 120 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 121 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 122 Tokens = annotate("int i = int{42} * 2;"); 123 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 124 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 125 126 Tokens = annotate("delete[] *ptr;"); 127 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 128 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 129 Tokens = annotate("delete[] **ptr;"); 130 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 Tokens = annotate("class Foo {\n" 303 " void operator<() {}\n" 304 " Foo &f;\n" 305 "};"); 306 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 307 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 308 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 309 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 310 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 311 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 312 313 Tokens = annotate("if (new && num) {\n" 314 " new = 1;\n" 315 "}\n" 316 "if (!delete && num) {\n" 317 " delete = 1;\n" 318 "}"); 319 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 320 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 321 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 322 } 323 324 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 325 auto Tokens = annotate("x - 0"); 326 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 327 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 328 Tokens = annotate("0 + 0"); 329 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 330 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 331 Tokens = annotate("x + +0"); 332 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 333 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 334 Tokens = annotate("x ? -0 : +0"); 335 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 336 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 337 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 338 Tokens = annotate("(-0)"); 339 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 340 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 341 Tokens = annotate("0, -0"); 342 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 343 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 344 Tokens = annotate("for (; -1;) {\n}"); 345 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 346 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 347 Tokens = annotate("x = -1;"); 348 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 349 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 350 Tokens = annotate("x[-1]"); 351 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 352 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 353 Tokens = annotate("x = {-1};"); 354 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 355 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 356 Tokens = annotate("case -x:"); 357 ASSERT_EQ(Tokens.size(), 5u) << 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::minus, TT_UnaryOperator); 362 Tokens = annotate("co_return -x;"); 363 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 364 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 365 Tokens = annotate("co_yield -x;"); 366 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 367 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 368 Tokens = annotate("delete -x;"); 369 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 370 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 371 Tokens = annotate("return -x;"); 372 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 373 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 374 Tokens = annotate("throw -x;"); 375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 376 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 377 Tokens = annotate("sizeof -x"); 378 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 379 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 380 Tokens = annotate("co_await +x;"); 381 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 382 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 383 Tokens = annotate("co_return +x;"); 384 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 385 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 386 Tokens = annotate("co_yield +x;"); 387 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 388 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 389 Tokens = annotate("delete +x;"); 390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 391 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 392 Tokens = annotate("return +x;"); 393 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 394 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 395 Tokens = annotate("throw +x;"); 396 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 397 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 398 Tokens = annotate("sizeof +x"); 399 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 400 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 401 Tokens = annotate("(int)-x"); 402 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 403 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 404 Tokens = annotate("(-x)"); 405 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 407 Tokens = annotate("!+x"); 408 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 409 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 410 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 411 } 412 413 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 414 auto Tokens = annotate("class C {};"); 415 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 416 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 417 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 418 419 Tokens = annotate("const class C {} c;"); 420 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 421 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 422 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 423 424 Tokens = annotate("const class {} c;"); 425 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 426 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 427 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 428 429 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 430 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 431 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 432 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 433 } 434 435 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 436 auto Tokens = annotate("struct S {};"); 437 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 438 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 439 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 440 441 Tokens = annotate("struct macro(a) S {};"); 442 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 443 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 444 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 445 446 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 447 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 448 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 449 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 450 451 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 452 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 453 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 454 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 455 456 Tokens = annotate("struct macro(a) S {\n" 457 " void f(T &t);\n" 458 "};"); 459 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 460 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 461 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 462 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 463 464 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 465 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 466 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 467 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 468 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 469 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 470 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 471 472 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 473 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 474 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 475 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 476 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 477 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 478 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 479 480 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 481 " void f(T const (&a)[n]);\n" 482 "};"); 483 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 484 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 485 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 486 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 487 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 488 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 489 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 490 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 491 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 492 493 Tokens = annotate("template <typename T, enum E e> struct S {};"); 494 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 495 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 496 } 497 498 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 499 auto Tokens = annotate("union U {};"); 500 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 501 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 502 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 503 504 Tokens = annotate("union U { void f() { return; } };"); 505 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 506 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 507 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 508 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 509 } 510 511 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 512 auto Tokens = annotate("enum E {};"); 513 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 514 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 515 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 516 } 517 518 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 519 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 520 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 521 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 522 523 Tokens = annotate("template <typename T> void F(T) && = delete;"); 524 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 525 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 526 } 527 528 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 529 auto Tokens = 530 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 531 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 532 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 533 } 534 535 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 536 auto Tokens = 537 annotate("template <typename T> " 538 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 539 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 540 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 541 } 542 543 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 544 auto Tokens = 545 annotate("#define FOO(typeName) \\\n" 546 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 547 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 548 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 549 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 550 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 551 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 552 } 553 554 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 555 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 556 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 557 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 558 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 559 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 560 } 561 562 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 563 auto Tokens = annotate("return a < b && c > d;"); 564 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 565 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 566 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 567 568 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 569 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 570 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 571 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 572 573 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 574 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 575 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 576 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 577 } 578 579 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 580 FormatStyle Style = getLLVMStyle(); 581 Style.WhitespaceSensitiveMacros.push_back("FOO"); 582 583 auto Tokens = annotate("FOO(1+2 )", Style); 584 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 585 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 586 587 Tokens = annotate("FOO(a:b:c)", Style); 588 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 589 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 590 } 591 592 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 593 auto Tokens = annotate("delete (void *)p;"); 594 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 595 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 596 597 Tokens = annotate("delete[] (void *)p;"); 598 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 599 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 600 601 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 602 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 603 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 604 605 Tokens = annotate("delete[/*comment*/] (void *)p;"); 606 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 607 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 608 609 Tokens = annotate("delete/*comment*/[] (void *)p;"); 610 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 611 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 612 } 613 614 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 615 auto Tokens = annotate("(void)p;"); 616 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 617 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 618 619 Tokens = annotate("(uint32_t)&&label;"); 620 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 621 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 622 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 623 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 624 625 Tokens = annotate("auto x = (Foo)p;"); 626 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 627 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 628 629 Tokens = annotate("(std::vector<int>)p;"); 630 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 631 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 632 633 Tokens = annotate("return (Foo)p;"); 634 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 635 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 636 637 Tokens = annotate("throw (Foo)p;"); 638 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 639 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 640 641 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 642 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 643 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 644 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 645 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 646 647 Tokens = annotate("#define foo(i) ((i) - bar)"); 648 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 649 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 650 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 651 652 Tokens = annotate("return (Foo) & 10;"); 653 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 654 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 655 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 656 657 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 658 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 659 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 660 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 661 662 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 663 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 664 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 665 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 666 667 auto Style = getLLVMStyle(); 668 Style.TypeNames.push_back("Foo"); 669 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 670 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 671 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 672 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 673 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 674 } 675 676 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 677 auto Tokens = annotate("void f() throw(int);"); 678 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 679 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 680 } 681 682 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 683 auto Tokens = annotate("void f() &;"); 684 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 685 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 686 687 Tokens = annotate("void operator=(T) &&;"); 688 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 689 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 690 691 Tokens = annotate("template <typename T> void f() &;"); 692 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 693 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 694 695 Tokens = annotate("template <typename T> void operator=(T) &;"); 696 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 697 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 698 } 699 700 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 701 auto Tokens = annotate("x.operator+()"); 702 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 703 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 704 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 705 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 706 Tokens = annotate("x.operator=()"); 707 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 708 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 709 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 710 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 711 Tokens = annotate("x.operator+=()"); 712 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 713 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 714 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 715 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 716 Tokens = annotate("x.operator,()"); 717 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 718 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 719 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 720 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 721 Tokens = annotate("x.operator()()"); 722 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 723 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 724 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 725 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 726 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 727 Tokens = annotate("x.operator[]()"); 728 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 729 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 730 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 731 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 732 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 733 Tokens = annotate("x.operator\"\"_a()"); 734 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 735 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 736 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 737 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 738 Tokens = annotate("x.operator\"\" _a()"); 739 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 740 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 741 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 742 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 743 Tokens = annotate("x.operator\"\"if()"); 744 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 745 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 746 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 747 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 748 Tokens = annotate("x.operator\"\"s()"); 749 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 750 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 751 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 752 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 753 Tokens = annotate("x.operator\"\" s()"); 754 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 755 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 756 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 757 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 758 759 Tokens = annotate("int operator+(int);"); 760 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 761 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 762 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 763 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 764 Tokens = annotate("auto operator=(T&) {}"); 765 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 766 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 767 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 768 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 769 Tokens = annotate("auto operator()() {}"); 770 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 771 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 772 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 773 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 774 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 775 776 Tokens = annotate("class Foo {\n" 777 " int operator+(a* b);\n" 778 "}"); 779 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 780 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 781 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 782 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 783 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 784 785 Tokens = annotate("class Foo {\n" 786 " int c = operator+(a * b);\n" 787 "}"); 788 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 789 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 790 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 791 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 792 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 793 794 Tokens = annotate("void foo() {\n" 795 " operator+(a * b);\n" 796 "}"); 797 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 798 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 799 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 800 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 801 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 802 803 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 804 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 805 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 806 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 807 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 808 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 809 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 810 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 811 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 812 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 813 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 814 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 815 816 Tokens = annotate("class Foo {\n" 817 " void foo() {\n" 818 " operator+(a * b);\n" 819 " }\n" 820 "}"); 821 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 822 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 823 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 824 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 825 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 826 827 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 828 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 829 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 830 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 831 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 832 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 833 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 834 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 835 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 836 837 Tokens = annotate("decltype(auto) operator()(T &x);"); 838 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 839 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 840 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 841 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 842 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 843 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 844 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 845 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 846 } 847 848 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 849 struct { 850 const char *Text; 851 tok::TokenKind Kind; 852 } Operators[] = {{"+", tok::plus}, 853 {"-", tok::minus}, 854 // FIXME: 855 // {"*", tok::star}, 856 {"/", tok::slash}, 857 {"%", tok::percent}, 858 {"^", tok::caret}, 859 // FIXME: 860 // {"&", tok::amp}, 861 {"|", tok::pipe}, 862 {"~", tok::tilde}, 863 {"!", tok::exclaim}, 864 {"=", tok::equal}, 865 // FIXME: 866 // {"<", tok::less}, 867 {">", tok::greater}, 868 {"+=", tok::plusequal}, 869 {"-=", tok::minusequal}, 870 {"*=", tok::starequal}, 871 {"/=", tok::slashequal}, 872 {"%=", tok::percentequal}, 873 {"^=", tok::caretequal}, 874 {"&=", tok::ampequal}, 875 {"|=", tok::pipeequal}, 876 {"<<", tok::lessless}, 877 {">>", tok::greatergreater}, 878 {">>=", tok::greatergreaterequal}, 879 {"<<=", tok::lesslessequal}, 880 {"==", tok::equalequal}, 881 {"!=", tok::exclaimequal}, 882 {"<=", tok::lessequal}, 883 {">=", tok::greaterequal}, 884 {"<=>", tok::spaceship}, 885 {"&&", tok::ampamp}, 886 {"||", tok::pipepipe}, 887 {"++", tok::plusplus}, 888 {"--", tok::minusminus}, 889 {",", tok::comma}, 890 {"->*", tok::arrowstar}, 891 {"->", tok::arrow}}; 892 893 for (const auto &Operator : Operators) { 894 std::string Input("C<&operator"); 895 Input += Operator.Text; 896 Input += " > a;"; 897 auto Tokens = annotate(std::string(Input)); 898 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 899 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 900 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 901 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 902 } 903 904 auto Tokens = annotate("C<&operator< <X>> lt;"); 905 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 906 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 907 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 908 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 909 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 910 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 911 } 912 913 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 914 auto Tokens = annotate("template <typename T>\n" 915 "concept C = (Foo && Bar) && (Bar && Baz);"); 916 917 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 918 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 919 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 920 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 921 922 Tokens = annotate("template <typename T>\n" 923 "concept C = Foo && !Bar;"); 924 925 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 926 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 927 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 928 929 Tokens = annotate("template <typename T>\n" 930 "concept C = requires(T t) {\n" 931 " { t.foo() };\n" 932 "} && Bar<T> && Baz<T>;"); 933 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 934 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 935 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 936 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 937 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 938 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 939 940 Tokens = annotate("template<typename T>\n" 941 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 942 "struct Foo;"); 943 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 944 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 945 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 946 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 947 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 948 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 949 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 950 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 951 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 952 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 953 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 954 955 Tokens = 956 annotate("template<typename T>\n" 957 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 958 "struct Foo;"); 959 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 960 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 961 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 962 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 963 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 964 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 965 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 966 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 967 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 968 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 969 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 970 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 971 972 Tokens = annotate("template <typename T>\n" 973 "void foo(T) noexcept requires Bar<T>;"); 974 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 975 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 976 977 Tokens = annotate("template <typename T>\n" 978 "requires Bar<T> || Baz<T>\n" 979 "auto foo(T) -> int;"); 980 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 981 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 982 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 983 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 984 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 985 986 Tokens = annotate("template <typename T>\n" 987 "requires Bar<T>\n" 988 "bool foo(T) { return false; }"); 989 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 990 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 991 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 992 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 993 994 Tokens = annotate("template <typename T>\n" 995 "requires Bar<T>\n" 996 "decltype(auto) foo(T) { return false; }"); 997 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 998 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 999 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1000 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1001 1002 Tokens = annotate("template <typename T>\n" 1003 "struct S {\n" 1004 " void foo() const requires Bar<T>;\n" 1005 " void bar() const & requires Baz<T>;\n" 1006 " void bar() && requires Baz2<T>;\n" 1007 " void baz() const & noexcept requires Baz<T>;\n" 1008 " void baz() && noexcept requires Baz2<T>;\n" 1009 "};\n" 1010 "\n" 1011 "void S::bar() const & requires Baz<T> { }"); 1012 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1013 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1014 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1015 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1016 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1017 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1018 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1019 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1020 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1021 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1022 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1023 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1024 1025 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1026 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1027 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1028 1029 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1030 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1031 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1032 1033 Tokens = 1034 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1035 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1036 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1037 1038 Tokens = annotate("void Class::member() && requires(typename " 1039 "Namespace::Outer<T>::Inner::Constant) {}"); 1040 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1041 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1042 1043 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1044 " template<class T>\n" 1045 " requires requires { number_zero_v<T>; }\n" 1046 " [[nodiscard]] constexpr operator T() const { " 1047 "return number_zero_v<T>; }\n" 1048 "};"); 1049 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1050 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1051 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1052 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1053 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1054 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1055 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1056 1057 Tokens = 1058 annotate("template <class A, class B> concept C =" 1059 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1060 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1061 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1062 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1063 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1064 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1065 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1066 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1067 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1068 1069 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1070 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1071 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1072 1073 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1074 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1075 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1076 1077 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1078 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1079 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1080 1081 Tokens = 1082 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1083 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1084 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1085 1086 Tokens = 1087 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1088 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1089 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1090 1091 Tokens = 1092 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1093 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1094 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1095 1096 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1097 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1098 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1099 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1100 1101 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1102 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1103 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1104 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1105 1106 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1107 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1108 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1109 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1110 1111 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1112 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1113 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1114 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1115 1116 Tokens = annotate("void f() & requires(true) {}"); 1117 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1118 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1119 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1120 1121 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1122 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1123 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1124 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1125 1126 Tokens = annotate("template <typename T>\n" 1127 "concept C = (!Foo<T>) && Bar;"); 1128 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1129 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1130 1131 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1132 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1133 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1134 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1135 1136 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1137 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1138 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1139 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1140 1141 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1142 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1143 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1144 1145 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1146 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1147 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1148 1149 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1150 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1151 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1152 } 1153 1154 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1155 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1156 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1157 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1158 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1159 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1160 1161 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1162 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1163 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1164 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1165 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1166 1167 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1168 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1169 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1170 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1171 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1172 1173 Tokens = annotate("foo(requires(const T t) {});"); 1174 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1175 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1176 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1177 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1178 1179 Tokens = annotate("foo(requires(const int t) {});"); 1180 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1181 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1182 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1183 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1184 1185 Tokens = annotate("foo(requires(const T t) {});"); 1186 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1187 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1188 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1189 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1190 1191 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1192 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1193 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1194 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1195 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1196 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1197 1198 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1199 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1200 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1201 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1202 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1203 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1204 1205 Tokens = annotate("foo(requires(T& t) {});"); 1206 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1207 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1208 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1209 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1210 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1211 1212 Tokens = annotate("foo(requires(T&& t) {});"); 1213 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1214 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1215 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1216 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1217 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1218 1219 Tokens = annotate("bool foo = requires(T& t) {};"); 1220 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1221 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1222 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1223 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1224 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1225 1226 Tokens = annotate("bool foo = requires(T&& t) {};"); 1227 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1228 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1229 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1230 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1231 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1232 1233 Tokens = 1234 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1235 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1236 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1237 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1238 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1239 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1240 1241 Tokens = annotate("template <typename T>\n" 1242 "concept C = requires(T T) {\n" 1243 " requires Bar<T> && Foo<T>;\n" 1244 "};"); 1245 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1246 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1247 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1248 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1249 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1250 TT_RequiresClauseInARequiresExpression); 1251 1252 Tokens = annotate("template <typename T>\n" 1253 "concept C = requires(T T) {\n" 1254 " { t.func() } -> std::same_as<int>;" 1255 " requires Bar<T> && Foo<T>;\n" 1256 "};"); 1257 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1258 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1259 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1260 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1261 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1262 TT_RequiresClauseInARequiresExpression); 1263 1264 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1265 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1266 "requires true; };"); 1267 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1268 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1269 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1270 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1271 1272 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1273 " { c.foo(); }\n" 1274 "};"); 1275 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1276 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1277 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1278 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1279 } 1280 1281 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1282 // Everything after #pragma region should be ImplicitStringLiteral 1283 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1284 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1285 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1286 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1287 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1288 1289 // Make sure it's annotated correctly inside a function as well 1290 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1291 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1292 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1293 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1294 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1295 } 1296 1297 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1298 const char *BaseCode = nullptr; 1299 const char *ConstrainedCode = nullptr; 1300 auto BaseTokenCount = 0u; 1301 auto RequiresTokenCount = 0u; 1302 auto PrefixTokenCount = 0u; 1303 1304 auto TestRequires = [&](int Line) { 1305 const auto BaseTokens = annotate(BaseCode); 1306 const auto ConstrainedTokens = annotate(ConstrainedCode); 1307 1308 #define LINE " (Line " << Line << ')' 1309 1310 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1311 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1312 << LINE; 1313 1314 for (auto I = 0u; I < BaseTokenCount; ++I) { 1315 EXPECT_EQ( 1316 *BaseTokens[I], 1317 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1318 << I << LINE; 1319 } 1320 1321 #undef LINE 1322 }; 1323 1324 BaseCode = "template<typename T>\n" 1325 "T Pi = 3.14;"; 1326 ConstrainedCode = "template<typename T>\n" 1327 " requires Foo<T>\n" 1328 "T Pi = 3.14;"; 1329 BaseTokenCount = 11; 1330 RequiresTokenCount = 5; 1331 PrefixTokenCount = 5; 1332 TestRequires(__LINE__); 1333 1334 BaseCode = "template<typename T>\n" 1335 "struct Bar;"; 1336 ConstrainedCode = "template<typename T>\n" 1337 " requires Foo<T>\n" 1338 "struct Bar;"; 1339 BaseTokenCount = 9; 1340 TestRequires(__LINE__); 1341 1342 BaseCode = "template<typename T>\n" 1343 "struct Bar {\n" 1344 " T foo();\n" 1345 " T bar();\n" 1346 "};"; 1347 ConstrainedCode = "template<typename T>\n" 1348 " requires Foo<T>\n" 1349 "struct Bar {\n" 1350 " T foo();\n" 1351 " T bar();\n" 1352 "};"; 1353 BaseTokenCount = 21; 1354 TestRequires(__LINE__); 1355 1356 BaseCode = "template<typename T>\n" 1357 "Bar(T) -> Bar<T>;"; 1358 ConstrainedCode = "template<typename T>\n" 1359 " requires Foo<T>\n" 1360 "Bar(T) -> Bar<T>;"; 1361 BaseTokenCount = 16; 1362 TestRequires(__LINE__); 1363 1364 BaseCode = "template<typename T>\n" 1365 "T foo();"; 1366 ConstrainedCode = "template<typename T>\n" 1367 " requires Foo<T>\n" 1368 "T foo();"; 1369 BaseTokenCount = 11; 1370 TestRequires(__LINE__); 1371 1372 BaseCode = "template<typename T>\n" 1373 "T foo() {\n" 1374 " auto bar = baz();\n" 1375 " return bar + T{};\n" 1376 "}"; 1377 ConstrainedCode = "template<typename T>\n" 1378 " requires Foo<T>\n" 1379 "T foo() {\n" 1380 " auto bar = baz();\n" 1381 " return bar + T{};\n" 1382 "}"; 1383 BaseTokenCount = 26; 1384 TestRequires(__LINE__); 1385 1386 BaseCode = "template<typename T>\n" 1387 "T foo();"; 1388 ConstrainedCode = "template<typename T>\n" 1389 "T foo() requires Foo<T>;"; 1390 BaseTokenCount = 11; 1391 PrefixTokenCount = 9; 1392 TestRequires(__LINE__); 1393 1394 BaseCode = "template<typename T>\n" 1395 "T foo() {\n" 1396 " auto bar = baz();\n" 1397 " return bar + T{};\n" 1398 "}"; 1399 ConstrainedCode = "template<typename T>\n" 1400 "T foo() requires Foo<T> {\n" 1401 " auto bar = baz();\n" 1402 " return bar + T{};\n" 1403 "}"; 1404 BaseTokenCount = 26; 1405 TestRequires(__LINE__); 1406 1407 BaseCode = "template<typename T>\n" 1408 "T foo();"; 1409 ConstrainedCode = "template<typename T>\n" 1410 " requires(Foo<T>)\n" 1411 "T foo();"; 1412 BaseTokenCount = 11; 1413 RequiresTokenCount = 7; 1414 PrefixTokenCount = 5; 1415 TestRequires(__LINE__); 1416 1417 BaseCode = "template<typename T>\n" 1418 "Bar(T) -> Bar<typename T::I>;"; 1419 ConstrainedCode = "template<typename T>\n" 1420 " requires requires(T &&t) {\n" 1421 " typename T::I;\n" 1422 " }\n" 1423 "Bar(T) -> Bar<typename T::I>;"; 1424 BaseTokenCount = 19; 1425 RequiresTokenCount = 14; 1426 PrefixTokenCount = 5; 1427 TestRequires(__LINE__); 1428 1429 BaseCode = "struct [[nodiscard]] zero_t {\n" 1430 " template<class T>\n" 1431 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1432 "};"; 1433 ConstrainedCode = 1434 "struct [[nodiscard]] zero_t {\n" 1435 " template<class T>\n" 1436 " requires requires { v<T>; }\n" 1437 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1438 "};"; 1439 BaseTokenCount = 35; 1440 RequiresTokenCount = 9; 1441 PrefixTokenCount = 13; 1442 TestRequires(__LINE__); 1443 1444 BaseCode = "constexpr Foo(Foo const &other)\n" 1445 " : value{other.value} {\n" 1446 " do_magic();\n" 1447 " do_more_magic();\n" 1448 "}"; 1449 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1450 " requires std::is_copy_constructible<T>\n" 1451 " : value{other.value} {\n" 1452 " do_magic();\n" 1453 " do_more_magic();\n" 1454 "}"; 1455 BaseTokenCount = 26; 1456 RequiresTokenCount = 7; 1457 PrefixTokenCount = 8; 1458 TestRequires(__LINE__); 1459 1460 BaseCode = "constexpr Foo(Foo const &other)\n" 1461 " : value{other.value} {\n" 1462 " do_magic();\n" 1463 " do_more_magic();\n" 1464 "}"; 1465 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1466 " requires (std::is_copy_constructible<T>)\n" 1467 " : value{other.value} {\n" 1468 " do_magic();\n" 1469 " do_more_magic();\n" 1470 "}"; 1471 RequiresTokenCount = 9; 1472 TestRequires(__LINE__); 1473 1474 BaseCode = "template<typename T>\n" 1475 "ANNOTATE(\"S\"\n" 1476 " \"S\")\n" 1477 "void foo();"; 1478 ConstrainedCode = "template<typename T>\n" 1479 " requires(true)\n" 1480 "ANNOTATE(\"S\"\n" 1481 " \"S\")\n" 1482 "void foo();"; 1483 BaseTokenCount = 16; 1484 RequiresTokenCount = 4; 1485 PrefixTokenCount = 5; 1486 TestRequires(__LINE__); 1487 } 1488 1489 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1490 auto Tokens = annotate("__asm{\n" 1491 "a:\n" 1492 "};"); 1493 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1494 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1495 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1496 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1497 } 1498 1499 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1500 auto Tokens = annotate("int (^)() = ^ ()\n" 1501 " external_source_symbol() { //\n" 1502 " return 1;\n" 1503 "};"); 1504 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1505 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1506 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1507 1508 Tokens = annotate("int *p = ^int*(){ //\n" 1509 " return nullptr;\n" 1510 "}();"); 1511 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1512 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1513 } 1514 1515 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1516 auto Tokens = annotate("void f() {\n" 1517 " //\n" 1518 " BOOL a = [b.c n] > 1;\n" 1519 "}"); 1520 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1521 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1522 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1523 } 1524 1525 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1526 auto Tokens = annotate("[]() constexpr {}"); 1527 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1528 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1529 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1530 1531 Tokens = annotate("[]() consteval {}"); 1532 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1533 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1534 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1535 1536 Tokens = annotate("[]() mutable {}"); 1537 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1538 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1539 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1540 1541 Tokens = annotate("[]() static {}"); 1542 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1543 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1544 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1545 1546 Tokens = annotate("[]() -> auto {}"); 1547 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1548 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1549 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1550 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1551 1552 Tokens = annotate("[]() -> auto & {}"); 1553 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1554 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1555 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1556 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1557 1558 Tokens = annotate("[]() -> auto * {}"); 1559 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1560 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1561 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1562 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1563 1564 Tokens = annotate("[] {}"); 1565 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1566 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1567 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1568 1569 Tokens = annotate("[] noexcept {}"); 1570 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1571 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1572 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1573 1574 Tokens = annotate("[] -> auto {}"); 1575 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1576 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1577 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1578 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1579 1580 Tokens = annotate("[] <typename T> () {}"); 1581 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1582 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1583 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1584 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1585 1586 Tokens = annotate("[] <typename T> {}"); 1587 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1588 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1589 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1590 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1591 1592 Tokens = annotate("[] <typename... T> () {}"); 1593 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1594 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1595 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1596 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1597 1598 Tokens = annotate("[] <typename... T> {}"); 1599 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1600 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1601 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1602 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1603 1604 Tokens = annotate("[] <int... T> () {}"); 1605 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1606 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1607 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1608 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1609 1610 Tokens = annotate("[] <int... T> {}"); 1611 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1612 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1613 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1614 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1615 1616 Tokens = annotate("[] <Foo... T> () {}"); 1617 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1618 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1619 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1620 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1621 1622 Tokens = annotate("[] <Foo... T> {}"); 1623 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1624 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1625 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1626 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1627 1628 // Lambdas with a requires-clause 1629 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1630 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1631 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1632 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1633 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1634 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1635 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1636 1637 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1638 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1639 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1640 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1641 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1642 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1643 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1644 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1645 1646 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1647 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1648 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1649 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1650 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1651 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1652 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1653 1654 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1655 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1656 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1657 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1658 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1659 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1660 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1661 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1662 1663 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1664 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1665 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1666 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1667 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1668 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1669 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1670 1671 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1672 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1673 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1674 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1675 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1676 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1677 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1678 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1679 1680 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1681 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1682 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1683 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1684 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1685 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1686 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1687 1688 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1689 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1690 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1691 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1692 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1693 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1694 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1695 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1696 1697 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1698 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1699 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1700 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1701 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1702 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1703 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1704 1705 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1706 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1707 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1708 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1709 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1710 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1711 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1712 1713 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1714 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1715 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1716 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1717 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1718 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1719 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1720 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1721 1722 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1723 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1724 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1725 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1726 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1727 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1728 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1729 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1730 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1731 1732 Tokens = annotate("[] <typename T = int> (T t) {}"); 1733 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1734 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1735 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1736 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1737 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1738 1739 Tokens = annotate("[] <int I = 0> (T t) {}"); 1740 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1741 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1742 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1743 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1744 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1745 1746 Tokens = annotate("[] <bool b = false> (T t) {}"); 1747 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1748 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1749 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1750 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1751 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1752 1753 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1754 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1755 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1756 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1757 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1758 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1759 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1760 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1761 1762 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1763 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1764 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1765 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1766 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1767 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1768 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1769 } 1770 1771 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1772 auto Tokens = annotate("template <typename T>\n" 1773 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1774 "string OldFunction(const string ¶meter) {}"); 1775 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1776 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1777 1778 Tokens = annotate("template <typename T>\n" 1779 "A(T) noexcept;"); 1780 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1781 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1782 } 1783 1784 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1785 auto Tokens = annotate("void f [[noreturn]] ();"); 1786 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1787 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1788 1789 Tokens = annotate("void f [[noreturn]] () {}"); 1790 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1791 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1792 1793 Tokens = annotate("#define FOO Foo::\n" 1794 "FOO Foo();"); 1795 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1796 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1797 1798 Tokens = annotate("struct Foo {\n" 1799 " Bar (*func)();\n" 1800 "};"); 1801 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1802 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1803 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1804 1805 Tokens = annotate("void instanceof();"); 1806 ASSERT_EQ(Tokens.size(), 6u); 1807 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1808 1809 Tokens = annotate("int iso_time(time_t);"); 1810 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1811 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1812 1813 auto Style = getLLVMStyle(); 1814 Style.TypeNames.push_back("MyType"); 1815 Tokens = annotate("int iso_time(MyType);", Style); 1816 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1817 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1818 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1819 } 1820 1821 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1822 auto Tokens = annotate("class Foo { public: Foo(); };"); 1823 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1824 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1825 1826 Tokens = annotate("class Foo { public: ~Foo(); };"); 1827 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1828 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1829 1830 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1831 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1832 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1833 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1834 1835 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1836 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1837 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1838 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1839 1840 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1841 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1842 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1843 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1844 1845 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1846 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1847 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1848 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1849 1850 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1851 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1852 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1853 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1854 1855 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1856 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1857 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1858 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1859 1860 Tokens = annotate("Foo::Foo() {}"); 1861 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1862 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1863 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1864 1865 Tokens = annotate("Foo::~Foo() {}"); 1866 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1867 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1868 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1869 1870 Tokens = annotate("struct Test {\n" 1871 " Test()\n" 1872 " : l([] {\n" 1873 " Short::foo();\n" 1874 " }) {}\n" 1875 "};"); 1876 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1877 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1878 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1879 } 1880 1881 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1882 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1883 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1884 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1885 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1886 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1887 } 1888 1889 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1890 auto Tokens = annotate("auto f() -> int;"); 1891 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1892 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1893 1894 Tokens = annotate("auto operator->() -> int;"); 1895 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1896 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1897 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1898 1899 Tokens = annotate("auto operator++(int) -> int;"); 1900 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1901 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1902 1903 Tokens = annotate("auto operator=() -> int;"); 1904 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1905 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1906 1907 Tokens = annotate("auto operator=(int) -> int;"); 1908 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1909 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1910 1911 Tokens = annotate("auto foo() -> auto { return Val; }"); 1912 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1913 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1914 1915 Tokens = annotate("struct S { auto bar() const -> int; };"); 1916 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1917 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1918 1919 // Not trailing return arrows 1920 Tokens = annotate("auto a = b->c;"); 1921 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1922 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1923 1924 Tokens = annotate("auto a = (b)->c;"); 1925 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1926 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1927 1928 Tokens = annotate("auto a = b()->c;"); 1929 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1930 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1931 1932 Tokens = annotate("auto a = b->c();"); 1933 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1934 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1935 1936 Tokens = annotate("decltype(auto) a = b()->c;"); 1937 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1938 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1939 1940 Tokens = annotate("void f() { auto a = b->c(); }"); 1941 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1942 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1943 1944 Tokens = annotate("void f() { auto a = b()->c; }"); 1945 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1946 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1947 1948 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1949 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1950 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1951 1952 Tokens = annotate("void f() FOO(foo->bar);"); 1953 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1954 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 1955 1956 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 1957 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1958 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1959 1960 // Mixed 1961 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1962 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1963 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1964 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1965 } 1966 1967 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 1968 auto Tokens = annotate("#define Foo(Bar) \\\n" 1969 " { \\\n" 1970 " #Bar \\\n" 1971 " }"); 1972 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1973 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1974 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1975 1976 Tokens = annotate("#define Foo(Bar) \\\n" 1977 " { #Bar }"); 1978 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1979 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1980 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1981 1982 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 1983 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 1984 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 1985 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 1986 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 1987 } 1988 1989 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 1990 // '__attribute__' has special handling. 1991 auto Tokens = annotate("__attribute__(X) void Foo(void);"); 1992 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1993 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1994 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1995 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1996 1997 // Generic macro has no special handling in this location. 1998 Tokens = annotate("A(X) void Foo(void);"); 1999 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2000 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2001 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2002 2003 // Add a custom AttributeMacro. Test that it has the same behavior. 2004 FormatStyle Style = getLLVMStyle(); 2005 Style.AttributeMacros.push_back("A"); 2006 2007 // An "AttributeMacro" gets annotated like '__attribute__'. 2008 Tokens = annotate("A(X) void Foo(void);", Style); 2009 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2010 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2011 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2012 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2013 } 2014 2015 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2016 // '__attribute__' has special handling. 2017 auto Tokens = annotate("__attribute__(X) @interface Foo"); 2018 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2019 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2020 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2021 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2022 2023 // Generic macro has no special handling in this location. 2024 Tokens = annotate("A(X) @interface Foo"); 2025 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2026 // Note: Don't check token-type as a random token in this position is hard to 2027 // reason about. 2028 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2029 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2030 2031 // Add a custom AttributeMacro. Test that it has the same behavior. 2032 FormatStyle Style = getLLVMStyle(); 2033 Style.AttributeMacros.push_back("A"); 2034 2035 // An "AttributeMacro" gets annotated like '__attribute__'. 2036 Tokens = annotate("A(X) @interface Foo", Style); 2037 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2038 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2039 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2040 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2041 } 2042 2043 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2044 // '__attribute__' has special handling. 2045 auto Tokens = annotate("- (id)init __attribute__(X);"); 2046 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2047 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2048 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2049 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2050 2051 // Generic macro has no special handling in this location. 2052 Tokens = annotate("- (id)init A(X);"); 2053 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2054 // Note: Don't check token-type as a random token in this position is hard to 2055 // reason about. 2056 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2057 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2058 2059 // Add a custom AttributeMacro. Test that it has the same behavior. 2060 FormatStyle Style = getLLVMStyle(); 2061 Style.AttributeMacros.push_back("A"); 2062 2063 // An "AttributeMacro" gets annotated like '__attribute__'. 2064 Tokens = annotate("- (id)init A(X);", Style); 2065 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2066 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2067 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2068 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2069 } 2070 2071 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2072 // '__attribute__' has special handling. 2073 auto Tokens = annotate("@property(weak) id delegate __attribute__(X);"); 2074 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2075 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2076 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2077 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2078 2079 // Generic macro has no special handling in this location. 2080 Tokens = annotate("@property(weak) id delegate A(X);"); 2081 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2082 // Note: Don't check token-type as a random token in this position is hard to 2083 // reason about. 2084 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2085 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2086 2087 // Add a custom AttributeMacro. Test that it has the same behavior. 2088 FormatStyle Style = getLLVMStyle(); 2089 Style.AttributeMacros.push_back("A"); 2090 2091 // An "AttributeMacro" gets annotated like '__attribute__'. 2092 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2093 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2094 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2095 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2096 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2097 } 2098 2099 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2100 auto Annotate = [this](StringRef Code) { 2101 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2102 }; 2103 // Test that unary operators get labeled as such and that operators like '++' 2104 // don't get split. 2105 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2106 tok::tilde, tok::amp, tok::pipe, 2107 tok::caret, tok::plusplus, tok::minusminus}; 2108 for (auto Kind : Unary) { 2109 auto Tokens = 2110 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2111 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2112 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2113 } 2114 // Operators formed by joining two operators like '^~'. For some of these 2115 // joined operators, we don't have a separate type, so we only test for their 2116 // precedence. 2117 std::pair<prec::Level, std::string> JoinedBinary[] = { 2118 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2119 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2120 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2121 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2122 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2123 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2124 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2125 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2126 {prec::Equality, "!="}, {prec::Equality, "==="}, 2127 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2128 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2129 {prec::ExclusiveOr, "^~"}, 2130 }; 2131 for (auto Operator : JoinedBinary) { 2132 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2133 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2134 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2135 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2136 } 2137 // '~^' and '^~' can be unary as well as binary operators. 2138 auto Tokens = Annotate("x = ~^x;"); 2139 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2140 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2141 Tokens = Annotate("x = ^~x;"); 2142 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2143 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2144 // The unary operators '~&' and '~|' can only be unary operators. The current 2145 // implementation treats each of them as separate unary '~' and '&' or '|' 2146 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2147 // there is a test that there is no space in between. And even if a new line 2148 // is inserted between the '~' and '|', the semantic meaning is the same as 2149 // the joined operator, so the CanBreakBefore property doesn't need to be 2150 // false for the second operator. 2151 Tokens = Annotate("x = ~&x;"); 2152 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2153 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2154 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2155 Tokens = Annotate("x = ~|x;"); 2156 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2157 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2158 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2159 // Test for block label colons. 2160 Tokens = Annotate("begin : x\n" 2161 "end : x"); 2162 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2163 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2164 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2165 // Test that the dimension colon is annotated correctly. 2166 Tokens = Annotate("var [1 : 0] x;"); 2167 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2168 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2169 Tokens = Annotate("extern function [1 : 0] x;"); 2170 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2171 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2172 Tokens = Annotate("module test\n" 2173 " (input wire [7 : 0] a[7 : 0]);\n" 2174 "endmodule"); 2175 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2176 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2177 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2178 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2179 // Test case labels and ternary operators. 2180 Tokens = Annotate("case (x)\n" 2181 " x:\n" 2182 " x;\n" 2183 "endcase"); 2184 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2185 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2186 Tokens = Annotate("case (x)\n" 2187 " x ? x : x:\n" 2188 " x;\n" 2189 "endcase"); 2190 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2191 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2192 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2193 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2194 // Non-blocking assignments. 2195 Tokens = Annotate("a <= b;"); 2196 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2197 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2198 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2199 Tokens = Annotate("if (a <= b) break;"); 2200 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2201 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2202 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2203 Tokens = Annotate("a <= b <= a;"); 2204 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2205 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2206 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2207 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2208 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2209 2210 // Port lists in module instantiation. 2211 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2212 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2213 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2214 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2215 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2216 "instance_2(port_2);"); 2217 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2218 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2219 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2220 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2221 2222 // Condition parentheses. 2223 Tokens = Annotate("assert (x);"); 2224 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2225 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2226 Tokens = Annotate("assert #0 (x);"); 2227 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2228 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2229 Tokens = Annotate("assert final (x);"); 2230 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2231 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2232 Tokens = Annotate("foreach (x[x]) continue;"); 2233 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2234 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2235 Tokens = Annotate("repeat (x[x]) continue;"); 2236 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2237 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2238 Tokens = Annotate("case (x) endcase;"); 2239 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2240 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2241 2242 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2243 // future, please adapt if those tokens get annotated. This test is only here 2244 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2245 Tokens = Annotate("always @(posedge x, posedge y);"); 2246 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2247 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2248 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2249 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2250 2251 // String literals in concatenation. 2252 Tokens = Annotate("x = {\"\"};"); 2253 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2254 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2255 Tokens = Annotate("x = {\"\", \"\"};"); 2256 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2257 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2258 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2259 Tokens = Annotate("x = '{{\"\"}};"); 2260 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2261 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2262 // Cases where the string should not be annotated that type. Fix the 2263 // `TT_Unknown` if needed in the future. 2264 Tokens = Annotate("x = {\"\" == \"\"};"); 2265 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2266 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2267 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2268 Tokens = Annotate("x = {(\"\")};"); 2269 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2270 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2271 Tokens = Annotate("x = '{\"\"};"); 2272 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2273 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2274 } 2275 2276 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2277 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2278 ASSERT_TRUE(Style.isTableGen()); 2279 2280 TestLexer Lexer(Allocator, Buffers, Style); 2281 AdditionalKeywords Keywords(Lexer.IdentTable); 2282 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2283 2284 // Additional keywords representation test. 2285 auto Tokens = Annotate("def foo : Bar<1>;"); 2286 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2287 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2288 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2289 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2290 2291 // Code, the multiline string token. 2292 Tokens = Annotate("[{ code is multiline string }]"); 2293 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2294 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2295 EXPECT_FALSE(Tokens[0]->IsMultiline); 2296 // Case with multiple lines. 2297 Tokens = Annotate("[{ It can break\n" 2298 " across lines and the line breaks\n" 2299 " are retained in \n" 2300 " the string. }]"); 2301 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2302 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2303 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2304 EXPECT_TRUE(Tokens[0]->IsMultiline); 2305 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2306 2307 // Numeric literals. 2308 Tokens = Annotate("1234"); 2309 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2310 Tokens = Annotate("-1"); 2311 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2312 Tokens = Annotate("+1234"); 2313 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2314 Tokens = Annotate("0b0110"); 2315 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2316 Tokens = Annotate("0x1abC"); 2317 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2318 2319 // Identifier tokens. In TableGen, identifiers can begin with a number. 2320 // In ambiguous cases, the lexer tries to lex it as a number. 2321 // Even if the try fails, it does not fall back to identifier lexing and 2322 // regard as an error. 2323 // The ambiguity is not documented. The result of those tests are based on the 2324 // implementation of llvm::TGLexer::LexToken. 2325 // This is invalid syntax of number, but not an identifier. 2326 Tokens = Annotate("0x1234x"); 2327 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2328 Tokens = Annotate("identifier"); 2329 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2330 // Identifier beginning with a number. 2331 Tokens = Annotate("0x"); 2332 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2333 Tokens = Annotate("2dVector"); 2334 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2335 Tokens = Annotate("01234Vector"); 2336 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2337 2338 // Structured statements. 2339 Tokens = Annotate("class Foo {}"); 2340 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2341 Tokens = Annotate("def Def: Foo {}"); 2342 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2343 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2344 Tokens = Annotate("if cond then {} else {}"); 2345 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2346 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2347 Tokens = Annotate("defset Foo Def2 = {}"); 2348 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2349 2350 // Bang Operators. 2351 Tokens = Annotate("!foreach"); 2352 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2353 Tokens = Annotate("!if"); 2354 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2355 Tokens = Annotate("!cond"); 2356 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2357 2358 auto AnnotateValue = [this, &Style](StringRef Code) { 2359 // Values are annotated only in specific context. 2360 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2361 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2362 }; 2363 // Both of bang/cond operators. 2364 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2365 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2366 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2367 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2368 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2369 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2370 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2371 // DAGArg values with operator identifier 2372 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2373 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2374 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2375 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2376 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2377 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2378 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2379 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2380 // List literal 2381 Tokens = AnnotateValue("[1, 2, 3]"); 2382 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2383 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2384 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2385 // Suffixes of values 2386 Tokens = AnnotateValue("valid.field"); 2387 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2388 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2389 // Code 2390 Tokens = AnnotateValue("[{ code is multiline string }]"); 2391 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2392 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2393 2394 // The definition 2395 Tokens = annotate("def Def : Parent<Child> {}", Style); 2396 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2397 // We use inheritance colon and function brace. They are enough. 2398 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2399 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2400 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2401 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2402 2403 // DAGArg breaking options. They use different token types depending on what 2404 // is specified. 2405 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2406 2407 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2408 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2409 // elements to have line break. 2410 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2411 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2412 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2413 EXPECT_TOKEN(Tokens[1], tok::identifier, 2414 TT_TableGenDAGArgOperatorID); // ins 2415 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2416 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2417 2418 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2419 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2420 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2421 EXPECT_TOKEN(Tokens[1], tok::identifier, 2422 TT_TableGenDAGArgOperatorID); // other 2423 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2424 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2425 2426 // For non-identifier operators, breaks after the operator. 2427 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2428 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2429 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2430 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2431 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2432 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2433 2434 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2435 2436 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2437 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2438 // to have line break inside it. 2439 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2440 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2441 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2442 EXPECT_TOKEN(Tokens[1], tok::identifier, 2443 TT_TableGenDAGArgOperatorToBreak); // ins 2444 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2445 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2446 2447 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2448 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2449 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2450 EXPECT_TOKEN(Tokens[1], tok::identifier, 2451 TT_TableGenDAGArgOperatorToBreak); // other 2452 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2453 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2454 2455 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2456 // specified operators. 2457 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2458 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2459 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2460 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2461 EXPECT_TOKEN(Tokens[1], tok::identifier, 2462 TT_TableGenDAGArgOperatorToBreak); // ins 2463 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2464 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2465 2466 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2467 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2468 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2469 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2470 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2471 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2472 2473 // If TableGenBreakingDAGArgOperators is enabled, it uses 2474 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2475 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2476 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2477 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2478 EXPECT_TOKEN(Tokens[1], tok::identifier, 2479 TT_TableGenDAGArgOperatorToBreak); // ins 2480 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2481 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2482 2483 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2484 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2485 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2486 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2487 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2488 } 2489 2490 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2491 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2492 2493 // The TT_Unknown is clearly not binding for the future, please adapt if those 2494 // tokens get annotated. 2495 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2496 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2497 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2498 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2499 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2500 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2501 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2502 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2503 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2504 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2505 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2506 2507 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2508 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2509 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2510 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2511 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2512 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2513 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2514 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2515 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2516 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2517 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2518 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2519 2520 Tokens = annotate("class Class {\n" 2521 " Class() : BaseClass() {\n" 2522 "#if 0\n" 2523 " // comment\n" 2524 "#endif\n" 2525 " }\n" 2526 " Class f();\n" 2527 "}"); 2528 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2529 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2530 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2531 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2532 } 2533 2534 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2535 auto Tokens = annotate("if (x) {}"); 2536 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2537 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2538 Tokens = annotate("if constexpr (x) {}"); 2539 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2540 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2541 Tokens = annotate("if CONSTEXPR (x) {}"); 2542 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2543 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2544 Tokens = annotate("if (x) {} else if (x) {}"); 2545 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2546 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2547 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2548 } 2549 2550 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2551 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2552 2553 auto Tokens = annotate("int? a;", Style); 2554 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2555 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2556 2557 Tokens = annotate("int? a = 1;", Style); 2558 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2559 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2560 2561 Tokens = annotate("int?)", Style); 2562 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2563 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2564 2565 Tokens = annotate("int?>", Style); 2566 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2567 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2568 2569 Tokens = annotate("cond? id : id2", Style); 2570 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2571 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2572 2573 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2574 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2575 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2576 } 2577 2578 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2579 auto Tokens = annotate("{ x: break; }"); 2580 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2581 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2582 2583 Tokens = annotate("{ case x: break; }"); 2584 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2585 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2586 2587 Tokens = annotate("{ x: { break; } }"); 2588 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2589 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2590 2591 Tokens = annotate("{ case x: { break; } }"); 2592 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2593 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2594 2595 Tokens = annotate("#define FOO label:"); 2596 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2597 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2598 2599 Tokens = annotate("#define FOO \\\n" 2600 "label: \\\n" 2601 " break;"); 2602 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2603 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2604 } 2605 2606 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2607 // The closing braces are not annotated. It doesn't seem to cause a problem. 2608 // So we only test for the opening braces. 2609 auto Tokens = annotate("{\n" 2610 " {\n" 2611 " { int a = 0; }\n" 2612 " }\n" 2613 " {}\n" 2614 "}"); 2615 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2616 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2617 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2618 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2619 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2620 } 2621 2622 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2623 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2624 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2625 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2626 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2627 2628 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2629 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2630 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2631 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2632 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2633 2634 Tokens = annotate("SomeStruct {\n" 2635 "#ifdef FOO\n" 2636 " .a = 1,\n" 2637 "#endif\n" 2638 " .b = 2\n" 2639 "};"); 2640 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2641 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2642 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2643 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2644 2645 Tokens = annotate("SomeStruct {\n" 2646 "#if defined FOO\n" 2647 " .a = 1,\n" 2648 "#endif\n" 2649 " .b = 2\n" 2650 "};"); 2651 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2652 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2653 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2654 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2655 2656 Tokens = annotate("Foo foo[] = {[0]{}};"); 2657 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2658 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2659 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2660 } 2661 2662 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2663 auto Annotate = [this](StringRef Code) { 2664 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2665 }; 2666 2667 // Dictionary. 2668 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2669 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2670 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2671 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2672 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2673 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2674 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2675 // Change when we need to annotate these. 2676 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2677 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2678 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2679 } 2680 2681 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2682 auto Tokens = annotate("bool foo __attribute__((unused));"); 2683 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2684 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2685 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2686 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2687 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2688 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2689 2690 Tokens = annotate("bool foo __declspec(dllimport);"); 2691 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2692 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2693 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2694 2695 Tokens = annotate("bool __attribute__((unused)) foo;"); 2696 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2697 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2698 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2699 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2700 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2701 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2702 2703 Tokens = annotate("void __attribute__((x)) Foo();"); 2704 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2705 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2706 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2707 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2708 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2709 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2710 2711 FormatStyle Style = getLLVMStyle(); 2712 Style.AttributeMacros.push_back("FOO"); 2713 Tokens = annotate("bool foo FOO(unused);", Style); 2714 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2715 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2716 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2717 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2718 } 2719 2720 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2721 auto Tokens = annotate("while (true) {}"); 2722 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2723 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2724 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2725 2726 Tokens = annotate("for (;;) {}"); 2727 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2728 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2729 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2730 2731 Tokens = annotate("do {} while (true);"); 2732 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2733 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2734 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2735 2736 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2737 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2738 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2739 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2740 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2741 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2742 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2743 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2744 2745 Tokens = annotate("switch (foo) {}"); 2746 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2747 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2748 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2749 } 2750 2751 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2752 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2753 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2754 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2755 2756 Tokens = annotate("do ++i; while ( i > 5 );"); 2757 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2758 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2759 } 2760 2761 TEST_F(TokenAnnotatorTest, StartOfName) { 2762 auto Tokens = annotate("#pragma clang diagnostic push"); 2763 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2764 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2765 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2766 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2767 2768 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2769 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2770 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2771 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2772 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2773 2774 Tokens = annotate("#define FOO Foo foo"); 2775 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2776 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2777 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2778 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2779 2780 Tokens = annotate("@interface NSCoder (TestCoder)"); 2781 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2782 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2783 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2784 } 2785 2786 TEST_F(TokenAnnotatorTest, BraceKind) { 2787 auto Tokens = annotate("void f() {};"); 2788 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2789 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2790 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2791 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2792 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2793 2794 Tokens = annotate("class Foo<int> f() {}"); 2795 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2796 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2797 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2798 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2799 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2800 2801 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2802 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2803 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2804 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2805 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2806 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2807 2808 Tokens = annotate("void f() override {};"); 2809 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2810 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2811 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2812 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2813 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2814 2815 Tokens = annotate("void f() noexcept(false) {};"); 2816 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2817 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2818 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2819 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2820 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2821 2822 Tokens = annotate("auto f() -> void {};"); 2823 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2824 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2825 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2826 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2827 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2828 2829 Tokens = annotate("void f() { /**/ };"); 2830 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2831 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2832 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2833 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2834 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2835 2836 Tokens = annotate("void f() { //\n" 2837 "};"); 2838 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2839 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2840 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2841 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2842 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2843 2844 Tokens = annotate("void f() {\n" 2845 " //\n" 2846 "};"); 2847 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2848 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2849 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2850 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2851 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2852 2853 Tokens = annotate("struct Foo {\n" 2854 " Foo() {};\n" 2855 " ~Foo() {};\n" 2856 "};"); 2857 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2858 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2859 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2860 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2861 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2862 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2863 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2864 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2865 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2866 2867 Tokens = annotate("{\n" 2868 " char *a[] = {\n" 2869 " /* abc */ \"abc\",\n" 2870 "#if FOO\n" 2871 " /* xyz */ \"xyz\",\n" 2872 "#endif\n" 2873 " /* last */ \"last\"};\n" 2874 "}"); 2875 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2876 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2877 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2878 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 2879 2880 Tokens = 2881 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 2882 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 2883 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2884 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2885 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 2886 2887 Tokens = annotate("struct {};"); 2888 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2889 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2890 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2891 2892 Tokens = annotate("struct : Base {};"); 2893 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2894 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2895 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2896 2897 Tokens = annotate("struct Foo {};"); 2898 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2899 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2900 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2901 2902 Tokens = annotate("struct ::Foo {};"); 2903 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2904 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2905 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2906 2907 Tokens = annotate("struct NS::Foo {};"); 2908 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2909 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2910 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2911 2912 Tokens = annotate("struct Foo<int> {};"); 2913 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2914 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2915 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2916 2917 Tokens = annotate("struct Foo<int> : Base {};"); 2918 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2919 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2920 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2921 2922 Tokens = annotate("struct Foo final {};"); 2923 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2924 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2925 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2926 2927 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 2928 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2929 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 2930 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 2931 2932 Tokens = annotate("struct Foo x{};"); 2933 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2934 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 2935 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2936 2937 Tokens = annotate("struct ::Foo x{};"); 2938 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2939 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2940 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 2941 2942 Tokens = annotate("struct NS::Foo x{};"); 2943 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2944 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 2945 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2946 2947 Tokens = annotate("struct Foo<int> x{};"); 2948 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2949 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2950 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2951 2952 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 2953 "#else\n" 2954 "#endif\n" 2955 "class RenderingServer : Object {\n" 2956 "#ifndef DISABLE_DEPRECATED\n" 2957 " enum Features {\n" 2958 " FEATURE_SHADERS,\n" 2959 " FEATURE_MULTITHREADED,\n" 2960 " };\n" 2961 "#endif\n" 2962 "};"); 2963 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2964 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 2965 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 2966 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 2967 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 2968 } 2969 2970 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 2971 auto Tokens = annotate("auto foo() -> enum En {}"); 2972 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2973 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2974 } 2975 2976 TEST_F(TokenAnnotatorTest, BlockLBrace) { 2977 auto Tokens = annotate("{\n" 2978 " {\n" 2979 " foo();\n" 2980 " }\n" 2981 "}"); 2982 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2983 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 2984 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2985 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 2986 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2987 2988 Tokens = annotate("void bar() {\n" 2989 " {\n" 2990 " foo();\n" 2991 " }\n" 2992 "}"); 2993 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2994 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2995 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2996 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 2997 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2998 } 2999 3000 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3001 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3002 auto Tokens = annotate("i = switch (day) {\n" 3003 " case THURSDAY, SATURDAY -> 8;\n" 3004 " case WEDNESDAY -> 9;\n" 3005 " default -> 1;\n" 3006 "};", 3007 Style); 3008 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3009 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3010 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3011 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3012 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3013 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3014 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3015 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3016 } 3017 3018 } // namespace 3019 } // namespace format 3020 } // namespace clang 3021