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 <typename T>\n" 273 "enable_if_t<is_integral_v<T>, bool> // comment\n" 274 "operator~(T &a);"); 275 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 276 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 277 278 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 279 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 280 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 281 282 Tokens = 283 annotate("auto foo() noexcept(noexcept(bar()) && " 284 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 285 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 286 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 287 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 288 289 Tokens = annotate("foo = *i < *j && *j > *k;"); 290 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 291 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 292 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 293 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 294 295 FormatStyle Style = getLLVMStyle(); 296 Style.TypeNames.push_back("MYI"); 297 Tokens = annotate("if (MYI *p{nullptr})", Style); 298 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 299 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 300 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 301 302 Style.TypeNames.push_back("Class"); 303 Tokens = annotate("if (Class *obj {getObj()})", Style); 304 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 305 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 306 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 307 308 Tokens = annotate("class Foo {\n" 309 " void operator<() {}\n" 310 " Foo &f;\n" 311 "};"); 312 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 313 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 314 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 315 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 316 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 317 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 318 319 Tokens = annotate("if (new && num) {\n" 320 " new = 1;\n" 321 "}\n" 322 "if (!delete && num) {\n" 323 " delete = 1;\n" 324 "}"); 325 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 326 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 327 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 328 } 329 330 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 331 auto Tokens = annotate("x - 0"); 332 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 333 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 334 Tokens = annotate("0 + 0"); 335 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 336 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 337 Tokens = annotate("x + +0"); 338 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 339 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 340 Tokens = annotate("x ? -0 : +0"); 341 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 342 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 343 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 344 Tokens = annotate("(-0)"); 345 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 346 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 347 Tokens = annotate("0, -0"); 348 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 349 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 350 Tokens = annotate("for (; -1;) {\n}"); 351 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 352 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 353 Tokens = annotate("x = -1;"); 354 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 355 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 356 Tokens = annotate("x[-1]"); 357 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 358 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 359 Tokens = annotate("x = {-1};"); 360 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 361 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 362 Tokens = annotate("case -x:"); 363 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 364 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 365 Tokens = annotate("co_await -x;"); 366 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 367 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 368 Tokens = annotate("co_return -x;"); 369 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 370 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 371 Tokens = annotate("co_yield -x;"); 372 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 373 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 374 Tokens = annotate("delete -x;"); 375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 376 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 377 Tokens = annotate("return -x;"); 378 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 379 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 380 Tokens = annotate("throw -x;"); 381 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 382 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 383 Tokens = annotate("sizeof -x"); 384 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 385 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 386 Tokens = annotate("co_await +x;"); 387 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 388 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 389 Tokens = annotate("co_return +x;"); 390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 391 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 392 Tokens = annotate("co_yield +x;"); 393 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 394 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 395 Tokens = annotate("delete +x;"); 396 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 397 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 398 Tokens = annotate("return +x;"); 399 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 400 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 401 Tokens = annotate("throw +x;"); 402 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 403 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 404 Tokens = annotate("sizeof +x"); 405 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 407 Tokens = annotate("(int)-x"); 408 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 409 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 410 Tokens = annotate("(-x)"); 411 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 412 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 413 Tokens = annotate("!+x"); 414 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 415 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 416 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 417 } 418 419 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 420 auto Tokens = annotate("class C {};"); 421 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 422 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 423 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 424 425 Tokens = annotate("const class C {} c;"); 426 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 427 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 428 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 429 430 Tokens = annotate("const class {} c;"); 431 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 432 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 433 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 434 435 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 436 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 437 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 438 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 439 } 440 441 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 442 auto Tokens = annotate("struct S {};"); 443 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 444 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 445 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 446 447 Tokens = annotate("struct macro(a) S {};"); 448 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 449 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 450 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 451 452 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 453 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 454 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 455 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 456 457 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 458 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 459 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 460 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 461 462 Tokens = annotate("struct macro(a) S {\n" 463 " void f(T &t);\n" 464 "};"); 465 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 466 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 467 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 468 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 469 470 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 471 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 472 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 473 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 474 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 475 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 476 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 477 478 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 479 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 480 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 481 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 482 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 483 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 484 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 485 486 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 487 " void f(T const (&a)[n]);\n" 488 "};"); 489 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 490 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 491 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 492 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 493 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 494 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 495 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 496 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 497 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 498 499 Tokens = annotate("template <typename T, enum E e> struct S {};"); 500 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 501 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 502 503 auto Style = getLLVMStyle(); 504 Style.AttributeMacros.push_back("EXPORT"); 505 Tokens = annotate("struct EXPORT StructName {};", Style); 506 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 507 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 508 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 509 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 510 } 511 512 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 513 auto Tokens = annotate("union U {};"); 514 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 515 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 516 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 517 518 Tokens = annotate("union U { void f() { return; } };"); 519 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 520 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 521 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 522 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 523 } 524 525 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 526 auto Tokens = annotate("enum E {};"); 527 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 528 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 529 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 530 } 531 532 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 533 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 534 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 535 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 536 537 Tokens = annotate("template <typename T> void F(T) && = delete;"); 538 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 539 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 540 } 541 542 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 543 auto Tokens = 544 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 545 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 546 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 547 } 548 549 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 550 auto Tokens = 551 annotate("template <typename T> " 552 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 553 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 554 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 555 } 556 557 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 558 auto Tokens = 559 annotate("#define FOO(typeName) \\\n" 560 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 561 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 562 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 563 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 564 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 565 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 566 } 567 568 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 569 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 570 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 571 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 572 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 573 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 574 } 575 576 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 577 // IsExpression = false 578 auto Tokens = annotate("foo<true ? 1 : 2>();"); 579 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 580 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 581 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 582 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 583 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 584 585 // IsExpression = true 586 587 Tokens = annotate("return foo<true ? 1 : 2>();"); 588 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 589 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 590 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 591 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 592 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 593 594 Tokens = annotate("return foo<true ? 1 : 2>{};"); 595 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 596 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 597 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 598 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 599 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 600 } 601 602 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 603 auto Tokens = annotate("return a < b && c > d;"); 604 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 605 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 606 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 607 608 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 609 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 610 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 611 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 612 613 Tokens = annotate("return A < B ? true : A > B;"); 614 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 615 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 616 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 617 618 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 619 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 620 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 621 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 622 623 Tokens = annotate("return A < B ^ A > B;"); 624 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 625 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 626 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 627 628 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 629 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 630 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 631 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 632 } 633 634 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 635 auto Tokens = annotate("template <template <typename...> typename X,\n" 636 " template <typename...> class Y,\n" 637 " typename... T>\n" 638 "class A {};"); 639 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 640 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 641 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 642 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 643 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 644 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 645 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 646 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 647 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 648 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 649 } 650 651 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 652 FormatStyle Style = getLLVMStyle(); 653 Style.WhitespaceSensitiveMacros.push_back("FOO"); 654 655 auto Tokens = annotate("FOO(1+2 )", Style); 656 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 657 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 658 659 Tokens = annotate("FOO(a:b:c)", Style); 660 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 661 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 662 } 663 664 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 665 auto Tokens = annotate("delete (void *)p;"); 666 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 667 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 668 669 Tokens = annotate("delete[] (void *)p;"); 670 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 671 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 672 673 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 674 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 675 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 676 677 Tokens = annotate("delete[/*comment*/] (void *)p;"); 678 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 679 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 680 681 Tokens = annotate("delete/*comment*/[] (void *)p;"); 682 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 683 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 684 } 685 686 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 687 auto Tokens = annotate("(void)p;"); 688 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 689 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 690 691 Tokens = annotate("(uint32_t)&&label;"); 692 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 693 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 694 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 695 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 696 697 Tokens = annotate("auto x = (Foo)p;"); 698 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 699 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 700 701 Tokens = annotate("(std::vector<int>)p;"); 702 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 703 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 704 705 Tokens = annotate("return (Foo)p;"); 706 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 707 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 708 709 Tokens = annotate("throw (Foo)p;"); 710 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 711 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 712 713 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 714 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 715 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 716 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 717 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 718 719 Tokens = annotate("#define foo(i) ((i) - bar)"); 720 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 721 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 722 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 723 724 Tokens = annotate("return (Foo) & 10;"); 725 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 726 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 727 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 728 729 Tokens = annotate("return (struct foo){};"); 730 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 731 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 732 733 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 734 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 735 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 736 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 737 738 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 739 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 740 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 741 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 742 743 Tokens = annotate("func((void (*)())&a);"); 744 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 745 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 746 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 747 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 748 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 749 750 auto Style = getLLVMStyle(); 751 Style.TypeNames.push_back("Foo"); 752 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 753 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 754 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 755 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 756 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 757 } 758 759 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 760 auto Tokens = annotate("void f() throw(int);"); 761 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 762 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 763 } 764 765 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 766 auto Tokens = annotate("void f() &;"); 767 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 768 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 769 770 Tokens = annotate("void operator=(T) &&;"); 771 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 772 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 773 774 Tokens = annotate("template <typename T> void f() &;"); 775 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 776 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 777 778 Tokens = annotate("template <typename T> void operator=(T) &;"); 779 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 780 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 781 } 782 783 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 784 auto Tokens = annotate("x.operator+()"); 785 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 786 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 787 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 788 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 789 Tokens = annotate("x.operator=()"); 790 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 791 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 792 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 793 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 794 Tokens = annotate("x.operator+=()"); 795 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 796 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 797 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 798 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 799 Tokens = annotate("x.operator,()"); 800 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 801 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 802 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 803 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 804 Tokens = annotate("x.operator()()"); 805 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 806 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 807 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 808 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 809 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 810 Tokens = annotate("x.operator[]()"); 811 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 812 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 813 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 814 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 815 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 816 Tokens = annotate("x.operator\"\"_a()"); 817 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 818 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 819 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 820 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 821 Tokens = annotate("x.operator\"\" _a()"); 822 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 823 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 824 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 825 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 826 Tokens = annotate("x.operator\"\"if()"); 827 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 828 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 829 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 830 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 831 Tokens = annotate("x.operator\"\"s()"); 832 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 833 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 834 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 835 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 836 Tokens = annotate("x.operator\"\" s()"); 837 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 838 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 839 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 840 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 841 842 Tokens = annotate("int operator+(int);"); 843 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 844 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 845 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 846 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 847 Tokens = annotate("auto operator=(T&) {}"); 848 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 849 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 850 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 851 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 852 Tokens = annotate("auto operator()() {}"); 853 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 854 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 855 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 856 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 857 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 858 859 Tokens = annotate("class Foo {\n" 860 " int operator+(a* b);\n" 861 "}"); 862 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 863 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 864 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 865 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 866 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 867 868 Tokens = annotate("class Foo {\n" 869 " int c = operator+(a * b);\n" 870 "}"); 871 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 872 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 873 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 874 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 875 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 876 877 Tokens = annotate("void foo() {\n" 878 " operator+(a * b);\n" 879 "}"); 880 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 881 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 882 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 883 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 884 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 885 886 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 887 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 888 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 889 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 890 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 891 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 892 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 893 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 894 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 895 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 896 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 897 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 898 899 Tokens = annotate("class Foo {\n" 900 " void foo() {\n" 901 " operator+(a * b);\n" 902 " }\n" 903 "}"); 904 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 905 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 906 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 907 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 908 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 909 910 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 911 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 912 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 913 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 914 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 915 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 916 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 917 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 918 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 919 920 Tokens = annotate("decltype(auto) operator()(T &x);"); 921 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 922 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 923 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 924 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 925 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 926 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 927 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 928 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 929 } 930 931 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 932 struct { 933 const char *Text; 934 tok::TokenKind Kind; 935 } Operators[] = {{"+", tok::plus}, 936 {"-", tok::minus}, 937 // FIXME: 938 // {"*", tok::star}, 939 {"/", tok::slash}, 940 {"%", tok::percent}, 941 {"^", tok::caret}, 942 // FIXME: 943 // {"&", tok::amp}, 944 {"|", tok::pipe}, 945 {"~", tok::tilde}, 946 {"!", tok::exclaim}, 947 {"=", tok::equal}, 948 // FIXME: 949 // {"<", tok::less}, 950 {">", tok::greater}, 951 {"+=", tok::plusequal}, 952 {"-=", tok::minusequal}, 953 {"*=", tok::starequal}, 954 {"/=", tok::slashequal}, 955 {"%=", tok::percentequal}, 956 {"^=", tok::caretequal}, 957 {"&=", tok::ampequal}, 958 {"|=", tok::pipeequal}, 959 {"<<", tok::lessless}, 960 {">>", tok::greatergreater}, 961 {">>=", tok::greatergreaterequal}, 962 {"<<=", tok::lesslessequal}, 963 {"==", tok::equalequal}, 964 {"!=", tok::exclaimequal}, 965 {"<=", tok::lessequal}, 966 {">=", tok::greaterequal}, 967 {"<=>", tok::spaceship}, 968 {"&&", tok::ampamp}, 969 {"||", tok::pipepipe}, 970 {"++", tok::plusplus}, 971 {"--", tok::minusminus}, 972 {",", tok::comma}, 973 {"->*", tok::arrowstar}, 974 {"->", tok::arrow}}; 975 976 for (const auto &Operator : Operators) { 977 std::string Input("C<&operator"); 978 Input += Operator.Text; 979 Input += " > a;"; 980 auto Tokens = annotate(std::string(Input)); 981 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 982 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 983 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 984 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 985 } 986 987 auto Tokens = annotate("C<&operator< <X>> lt;"); 988 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 989 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 990 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 991 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 992 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 993 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 994 } 995 996 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 997 auto Tokens = annotate("template <typename T>\n" 998 "concept C = (Foo && Bar) && (Bar && Baz);"); 999 1000 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1001 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1002 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1003 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1004 1005 Tokens = annotate("template <typename T>\n" 1006 "concept C = Foo && !Bar;"); 1007 1008 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1009 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1010 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1011 1012 Tokens = annotate("template <typename T>\n" 1013 "concept C = requires(T t) {\n" 1014 " { t.foo() };\n" 1015 "} && Bar<T> && Baz<T>;"); 1016 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1017 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1018 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1019 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1020 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1021 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1022 1023 Tokens = annotate("template<typename T>\n" 1024 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1025 "struct Foo;"); 1026 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1027 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1028 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1029 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1030 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1031 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1032 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1033 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1034 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1035 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1036 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1037 1038 Tokens = 1039 annotate("template<typename T>\n" 1040 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1041 "struct Foo;"); 1042 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1043 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1044 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1045 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1046 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1047 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1048 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1049 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1050 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1051 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1052 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1053 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1054 1055 Tokens = annotate("template <typename T>\n" 1056 "void foo(T) noexcept requires Bar<T>;"); 1057 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1058 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1059 1060 Tokens = annotate("template <typename T>\n" 1061 "requires Bar<T> || Baz<T>\n" 1062 "auto foo(T) -> int;"); 1063 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1064 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1065 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1066 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1067 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1068 1069 Tokens = annotate("template <typename T>\n" 1070 "requires Bar<T>\n" 1071 "bool foo(T) { return false; }"); 1072 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1073 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1074 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1075 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1076 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1077 1078 Tokens = annotate("template <typename T>\n" 1079 "requires Bar<T>\n" 1080 "decltype(auto) foo(T) { return false; }"); 1081 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1082 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1083 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1084 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1085 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1086 1087 Tokens = annotate("template <typename T>\n" 1088 "struct S {\n" 1089 " void foo() const requires Bar<T>;\n" 1090 " void bar() const & requires Baz<T>;\n" 1091 " void bar() && requires Baz2<T>;\n" 1092 " void baz() const & noexcept requires Baz<T>;\n" 1093 " void baz() && noexcept requires Baz2<T>;\n" 1094 "};\n" 1095 "\n" 1096 "void S::bar() const & requires Baz<T> { }"); 1097 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1098 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1099 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1100 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1101 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1102 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1103 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1104 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1105 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1106 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1107 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1108 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1109 1110 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1111 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1112 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1113 1114 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1115 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1116 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1117 1118 Tokens = 1119 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1120 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1121 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1122 1123 Tokens = annotate("void Class::member() && requires(typename " 1124 "Namespace::Outer<T>::Inner::Constant) {}"); 1125 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1126 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1127 1128 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1129 " template<class T>\n" 1130 " requires requires { number_zero_v<T>; }\n" 1131 " [[nodiscard]] constexpr operator T() const { " 1132 "return number_zero_v<T>; }\n" 1133 "};"); 1134 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1135 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1136 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1137 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1138 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1139 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1140 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1141 1142 Tokens = 1143 annotate("template <class A, class B> concept C =" 1144 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1145 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1146 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1147 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1148 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1149 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1150 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1151 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1152 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1153 1154 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1155 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1156 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1157 1158 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1159 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1160 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1161 1162 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1163 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1164 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1165 1166 Tokens = 1167 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1168 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1169 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1170 1171 Tokens = 1172 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1173 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1174 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1175 1176 Tokens = 1177 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1178 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1179 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1180 1181 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1182 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1183 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1184 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1185 1186 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1187 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1188 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1189 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1190 1191 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1192 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1193 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1194 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1195 1196 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1197 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1198 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1199 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1200 1201 Tokens = annotate("void f() & requires(true) {}"); 1202 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1203 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1204 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1205 1206 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1207 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1208 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1209 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1210 1211 Tokens = annotate("template <typename T>\n" 1212 "concept C = (!Foo<T>) && Bar;"); 1213 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1214 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1215 1216 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1217 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1218 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1219 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1220 1221 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1222 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1223 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1224 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1225 1226 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1227 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1228 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1229 1230 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1231 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1232 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1233 1234 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1235 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1236 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1237 } 1238 1239 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1240 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1241 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1242 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1243 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1244 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1245 1246 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1247 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1248 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1249 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1250 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1251 1252 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1253 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1254 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1255 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1256 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1257 1258 Tokens = annotate("foo(requires(const T t) {});"); 1259 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1260 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1261 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1262 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1263 1264 Tokens = annotate("foo(requires(const int t) {});"); 1265 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1266 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1267 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1268 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1269 1270 Tokens = annotate("foo(requires(const T t) {});"); 1271 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1272 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1273 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1274 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1275 1276 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1277 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1278 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1279 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1280 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1281 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1282 1283 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1284 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1285 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1286 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1287 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1288 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1289 1290 Tokens = annotate("foo(requires(T& t) {});"); 1291 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1292 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1293 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1294 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1295 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1296 1297 Tokens = annotate("foo(requires(T&& t) {});"); 1298 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1299 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1300 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1301 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1302 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1303 1304 Tokens = annotate("bool foo = requires(T& t) {};"); 1305 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1306 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1307 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1308 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1309 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1310 1311 Tokens = annotate("bool foo = requires(T&& t) {};"); 1312 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1313 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1314 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1315 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1316 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1317 1318 Tokens = 1319 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1320 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1321 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1322 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1323 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1324 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1325 1326 Tokens = annotate("template <typename T>\n" 1327 "concept C = requires(T T) {\n" 1328 " requires Bar<T> && Foo<T>;\n" 1329 "};"); 1330 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1331 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1332 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1333 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1334 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1335 TT_RequiresClauseInARequiresExpression); 1336 1337 Tokens = annotate("template <typename T>\n" 1338 "concept C = requires(T T) {\n" 1339 " { t.func() } -> std::same_as<int>;" 1340 " requires Bar<T> && Foo<T>;\n" 1341 "};"); 1342 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1343 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1344 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1345 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1346 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1347 TT_RequiresClauseInARequiresExpression); 1348 1349 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1350 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1351 "requires true; };"); 1352 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1353 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1354 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1355 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1356 1357 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1358 " { c.foo(); }\n" 1359 "};"); 1360 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1361 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1362 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1363 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1364 } 1365 1366 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1367 // Everything after #pragma region should be ImplicitStringLiteral 1368 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1369 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1370 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1371 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1372 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1373 1374 // Make sure it's annotated correctly inside a function as well 1375 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1376 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1377 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1378 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1379 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1380 } 1381 1382 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1383 const char *BaseCode = nullptr; 1384 const char *ConstrainedCode = nullptr; 1385 auto BaseTokenCount = 0u; 1386 auto RequiresTokenCount = 0u; 1387 auto PrefixTokenCount = 0u; 1388 1389 auto TestRequires = [&](int Line) { 1390 const auto BaseTokens = annotate(BaseCode); 1391 const auto ConstrainedTokens = annotate(ConstrainedCode); 1392 1393 #define LINE " (Line " << Line << ')' 1394 1395 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1396 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1397 << LINE; 1398 1399 for (auto I = 0u; I < BaseTokenCount; ++I) { 1400 EXPECT_EQ( 1401 *BaseTokens[I], 1402 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1403 << I << LINE; 1404 } 1405 1406 #undef LINE 1407 }; 1408 1409 BaseCode = "template<typename T>\n" 1410 "T Pi = 3.14;"; 1411 ConstrainedCode = "template<typename T>\n" 1412 " requires Foo<T>\n" 1413 "T Pi = 3.14;"; 1414 BaseTokenCount = 11; 1415 RequiresTokenCount = 5; 1416 PrefixTokenCount = 5; 1417 TestRequires(__LINE__); 1418 1419 BaseCode = "template<typename T>\n" 1420 "struct Bar;"; 1421 ConstrainedCode = "template<typename T>\n" 1422 " requires Foo<T>\n" 1423 "struct Bar;"; 1424 BaseTokenCount = 9; 1425 TestRequires(__LINE__); 1426 1427 BaseCode = "template<typename T>\n" 1428 "struct Bar {\n" 1429 " T foo();\n" 1430 " T bar();\n" 1431 "};"; 1432 ConstrainedCode = "template<typename T>\n" 1433 " requires Foo<T>\n" 1434 "struct Bar {\n" 1435 " T foo();\n" 1436 " T bar();\n" 1437 "};"; 1438 BaseTokenCount = 21; 1439 TestRequires(__LINE__); 1440 1441 BaseCode = "template<typename T>\n" 1442 "Bar(T) -> Bar<T>;"; 1443 ConstrainedCode = "template<typename T>\n" 1444 " requires Foo<T>\n" 1445 "Bar(T) -> Bar<T>;"; 1446 BaseTokenCount = 16; 1447 TestRequires(__LINE__); 1448 1449 BaseCode = "template<typename T>\n" 1450 "T foo();"; 1451 ConstrainedCode = "template<typename T>\n" 1452 " requires Foo<T>\n" 1453 "T foo();"; 1454 BaseTokenCount = 11; 1455 TestRequires(__LINE__); 1456 1457 BaseCode = "template<typename T>\n" 1458 "T foo() {\n" 1459 " auto bar = baz();\n" 1460 " return bar + T{};\n" 1461 "}"; 1462 ConstrainedCode = "template<typename T>\n" 1463 " requires Foo<T>\n" 1464 "T foo() {\n" 1465 " auto bar = baz();\n" 1466 " return bar + T{};\n" 1467 "}"; 1468 BaseTokenCount = 26; 1469 TestRequires(__LINE__); 1470 1471 BaseCode = "template<typename T>\n" 1472 "T foo();"; 1473 ConstrainedCode = "template<typename T>\n" 1474 "T foo() requires Foo<T>;"; 1475 BaseTokenCount = 11; 1476 PrefixTokenCount = 9; 1477 TestRequires(__LINE__); 1478 1479 BaseCode = "template<typename T>\n" 1480 "T foo() {\n" 1481 " auto bar = baz();\n" 1482 " return bar + T{};\n" 1483 "}"; 1484 ConstrainedCode = "template<typename T>\n" 1485 "T foo() requires Foo<T> {\n" 1486 " auto bar = baz();\n" 1487 " return bar + T{};\n" 1488 "}"; 1489 BaseTokenCount = 26; 1490 TestRequires(__LINE__); 1491 1492 BaseCode = "template<typename T>\n" 1493 "T foo();"; 1494 ConstrainedCode = "template<typename T>\n" 1495 " requires(Foo<T>)\n" 1496 "T foo();"; 1497 BaseTokenCount = 11; 1498 RequiresTokenCount = 7; 1499 PrefixTokenCount = 5; 1500 TestRequires(__LINE__); 1501 1502 BaseCode = "template<typename T>\n" 1503 "Bar(T) -> Bar<typename T::I>;"; 1504 ConstrainedCode = "template<typename T>\n" 1505 " requires requires(T &&t) {\n" 1506 " typename T::I;\n" 1507 " }\n" 1508 "Bar(T) -> Bar<typename T::I>;"; 1509 BaseTokenCount = 19; 1510 RequiresTokenCount = 14; 1511 PrefixTokenCount = 5; 1512 TestRequires(__LINE__); 1513 1514 BaseCode = "struct [[nodiscard]] zero_t {\n" 1515 " template<class T>\n" 1516 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1517 "};"; 1518 ConstrainedCode = 1519 "struct [[nodiscard]] zero_t {\n" 1520 " template<class T>\n" 1521 " requires requires { v<T>; }\n" 1522 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1523 "};"; 1524 BaseTokenCount = 35; 1525 RequiresTokenCount = 9; 1526 PrefixTokenCount = 13; 1527 TestRequires(__LINE__); 1528 1529 BaseCode = "constexpr Foo(Foo const &other)\n" 1530 " : value{other.value} {\n" 1531 " do_magic();\n" 1532 " do_more_magic();\n" 1533 "}"; 1534 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1535 " requires std::is_copy_constructible<T>\n" 1536 " : value{other.value} {\n" 1537 " do_magic();\n" 1538 " do_more_magic();\n" 1539 "}"; 1540 BaseTokenCount = 26; 1541 RequiresTokenCount = 7; 1542 PrefixTokenCount = 8; 1543 TestRequires(__LINE__); 1544 1545 BaseCode = "constexpr Foo(Foo const &other)\n" 1546 " : value{other.value} {\n" 1547 " do_magic();\n" 1548 " do_more_magic();\n" 1549 "}"; 1550 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1551 " requires (std::is_copy_constructible<T>)\n" 1552 " : value{other.value} {\n" 1553 " do_magic();\n" 1554 " do_more_magic();\n" 1555 "}"; 1556 RequiresTokenCount = 9; 1557 TestRequires(__LINE__); 1558 1559 BaseCode = "template<typename T>\n" 1560 "ANNOTATE(\"S\"\n" 1561 " \"S\")\n" 1562 "void foo();"; 1563 ConstrainedCode = "template<typename T>\n" 1564 " requires(true)\n" 1565 "ANNOTATE(\"S\"\n" 1566 " \"S\")\n" 1567 "void foo();"; 1568 BaseTokenCount = 16; 1569 RequiresTokenCount = 4; 1570 PrefixTokenCount = 5; 1571 TestRequires(__LINE__); 1572 } 1573 1574 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1575 auto Tokens = annotate("__asm{\n" 1576 "\"a\":\n" 1577 ": x\n" 1578 ":};"); 1579 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1580 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1581 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1582 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1583 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1584 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1585 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1586 1587 Tokens = annotate("__asm(\n" 1588 "\"a\":\n" 1589 ": x\n" 1590 ":);"); 1591 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1592 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1593 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1594 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1595 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1596 1597 Tokens = annotate("asm volatile (\n" 1598 "\"a_label:\"\n" 1599 ":\n" 1600 ": x\n" 1601 ":);"); 1602 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1603 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1604 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1605 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1606 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1607 1608 Tokens = annotate("__asm__(\n" 1609 "\"a_label:\"\n" 1610 ": x\n" 1611 ":\n" 1612 ": y);"); 1613 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1614 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1615 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1616 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1617 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1618 1619 Tokens = annotate("__asm volatile (\n" 1620 "\"a_label:\"\n" 1621 "\"a b c(%%x)\"\n" 1622 ":\n" 1623 ": x\n" 1624 ":);"); 1625 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1626 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1627 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1628 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1629 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1630 1631 Tokens = annotate("asm(\n" 1632 "\"insn\"\n" 1633 ": \"=r\" (var1), \"=&r\" (value)\n" 1634 ":\n" 1635 ": \"memory\");"); 1636 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1637 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1638 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1639 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1640 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1641 1642 Tokens = annotate("__asm__ volatile (\n" 1643 "\"ldr r1, [r0, %%[sym]]\"\n" 1644 ":\n" 1645 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1646 ");"); 1647 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1648 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1649 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1650 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1651 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1652 } 1653 1654 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1655 auto Tokens = annotate("int (^)() = ^ ()\n" 1656 " external_source_symbol() { //\n" 1657 " return 1;\n" 1658 "};"); 1659 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1660 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1661 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1662 1663 Tokens = annotate("int *p = ^int*(){ //\n" 1664 " return nullptr;\n" 1665 "}();"); 1666 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1667 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1668 } 1669 1670 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1671 auto Tokens = annotate("void f() {\n" 1672 " //\n" 1673 " BOOL a = [b.c n] > 1;\n" 1674 "}"); 1675 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1676 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1677 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1678 } 1679 1680 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1681 auto Tokens = annotate("[]() constexpr {}"); 1682 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1683 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1684 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1685 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1686 1687 Tokens = annotate("[]() consteval {}"); 1688 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1689 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1690 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1691 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1692 1693 Tokens = annotate("[]() mutable {}"); 1694 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1695 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1696 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1697 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1698 1699 Tokens = annotate("[]() static {}"); 1700 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1701 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1702 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1703 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1704 1705 Tokens = annotate("[]() -> auto {}"); 1706 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1707 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1708 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1709 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1710 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1711 1712 Tokens = annotate("[]() -> auto & {}"); 1713 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1714 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1715 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1716 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1717 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1718 1719 Tokens = annotate("[]() -> auto * {}"); 1720 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1721 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1722 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1723 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1724 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1725 1726 Tokens = annotate("[] {}"); 1727 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1728 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1729 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1730 1731 Tokens = annotate("[] noexcept {}"); 1732 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1733 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1734 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1735 1736 Tokens = annotate("[] -> auto {}"); 1737 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1738 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1739 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1740 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1741 1742 Tokens = annotate("[] -> struct S { return {}; }"); 1743 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1744 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1745 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1746 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1747 1748 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1749 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1750 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1751 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1752 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1753 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1754 1755 Tokens = annotate("[] <typename T> () {}"); 1756 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1757 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1758 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1759 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1760 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1761 1762 Tokens = annotate("[] <typename T> {}"); 1763 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1764 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1765 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1766 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1767 1768 Tokens = annotate("[] <typename... T> () {}"); 1769 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1770 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1771 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1772 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1773 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1774 1775 Tokens = annotate("[] <typename... T> {}"); 1776 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1777 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1778 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1779 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1780 1781 Tokens = annotate("[] <int... T> () {}"); 1782 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1783 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1784 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1785 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1786 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1787 1788 Tokens = annotate("[] <int... T> {}"); 1789 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1790 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1791 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1792 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1793 1794 Tokens = annotate("[] <Foo... T> () {}"); 1795 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1796 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1797 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1798 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1799 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1800 1801 Tokens = annotate("[] <Foo... T> {}"); 1802 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1803 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1804 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1805 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1806 1807 // Lambdas with a requires-clause 1808 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1809 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1810 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1811 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1812 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1813 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1814 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1815 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1816 1817 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1818 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1819 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1820 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1821 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1822 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1823 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1824 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1825 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1826 1827 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1828 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1829 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1830 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1831 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1832 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1833 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1834 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1835 1836 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1837 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1838 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1839 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1840 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1841 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1842 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1843 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1844 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1845 1846 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1847 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1848 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1849 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1850 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1851 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1852 // FIXME: 1853 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1854 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1855 1856 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1857 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1858 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1859 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1860 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1861 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1862 // FIXME: 1863 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1864 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1865 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1866 1867 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1868 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1869 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1870 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1871 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1872 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1873 // FIXME: 1874 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1875 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1876 1877 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1878 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1879 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1880 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1881 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1882 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1883 // FIXME: 1884 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1885 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1886 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1887 1888 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1889 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1890 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1891 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1892 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1893 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1894 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1895 1896 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1897 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1898 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1899 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1900 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1901 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1902 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1903 1904 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1905 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1906 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1907 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1908 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1909 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1910 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1911 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1912 1913 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1914 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1915 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1916 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1917 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1918 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1919 // FIXME: 1920 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1921 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1922 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1923 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1924 1925 Tokens = annotate("[] <typename T = int> (T t) {}"); 1926 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1927 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1928 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1929 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1930 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1931 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1932 1933 Tokens = annotate("[] <int I = 0> (T t) {}"); 1934 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1935 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1936 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1937 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1938 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1939 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1940 1941 Tokens = annotate("[] <bool b = false> (T t) {}"); 1942 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1943 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1944 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1945 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1946 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1947 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1948 1949 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1950 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1951 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1952 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1953 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1954 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1955 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 1956 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1957 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1958 1959 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1960 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1961 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1962 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1963 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1964 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1965 // FIXME: 1966 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 1967 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1968 } 1969 1970 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1971 auto Tokens = annotate("template <typename T>\n" 1972 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1973 "string OldFunction(const string ¶meter) {}"); 1974 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1975 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1976 1977 Tokens = annotate("template <typename T>\n" 1978 "A(T) noexcept;"); 1979 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1980 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1981 1982 Tokens = annotate("FOO(bar)();"); 1983 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1984 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 1985 } 1986 1987 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1988 auto Tokens = annotate("void f [[noreturn]] ();"); 1989 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1990 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1991 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1992 1993 Tokens = annotate("void f [[noreturn]] () {}"); 1994 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1995 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1996 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1997 1998 Tokens = annotate("#define FOO Foo::\n" 1999 "FOO Foo();"); 2000 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2001 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2002 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2003 2004 Tokens = annotate("struct Foo {\n" 2005 " Bar (*func)();\n" 2006 "};"); 2007 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2008 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2009 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2010 2011 Tokens = annotate("void instanceof();"); 2012 ASSERT_EQ(Tokens.size(), 6u); 2013 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2014 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2015 2016 Tokens = annotate("int iso_time(time_t);"); 2017 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2018 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2019 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2020 2021 auto Style = getLLVMStyle(); 2022 Style.TypeNames.push_back("MyType"); 2023 Tokens = annotate("int iso_time(MyType);", Style); 2024 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2025 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2026 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2027 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2028 } 2029 2030 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2031 auto Tokens = annotate("class Foo { public: Foo(); };"); 2032 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2033 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2034 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2035 2036 Tokens = annotate("class Foo { public: ~Foo(); };"); 2037 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2038 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2039 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2040 2041 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2042 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2043 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2044 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2045 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2046 2047 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2048 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2049 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2050 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2051 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2052 2053 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2054 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2055 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2056 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2057 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2058 2059 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2060 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2061 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2062 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2063 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2064 2065 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2066 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2067 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2068 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2069 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2070 2071 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2072 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2073 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2074 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2075 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2076 2077 Tokens = annotate("Foo::Foo() {}"); 2078 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2079 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2080 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2081 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2082 2083 Tokens = annotate("Foo::~Foo() {}"); 2084 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2085 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2086 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2087 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2088 2089 Tokens = annotate("struct Test {\n" 2090 " Test()\n" 2091 " : l([] {\n" 2092 " Short::foo();\n" 2093 " }) {}\n" 2094 "};"); 2095 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2096 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2097 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2098 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2099 } 2100 2101 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2102 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2103 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2104 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2105 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2106 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2107 } 2108 2109 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2110 auto Tokens = annotate("auto f() -> int;"); 2111 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2112 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2113 2114 Tokens = annotate("auto operator->() -> int;"); 2115 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2116 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2117 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2118 2119 Tokens = annotate("auto operator++(int) -> int;"); 2120 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2121 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2122 2123 Tokens = annotate("auto operator=() -> int;"); 2124 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2125 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2126 2127 Tokens = annotate("auto operator=(int) -> int;"); 2128 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2129 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2130 2131 Tokens = annotate("auto foo() -> auto { return Val; }"); 2132 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2133 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2134 2135 Tokens = annotate("struct S { auto bar() const -> int; };"); 2136 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2137 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2138 2139 // Not trailing return arrows 2140 Tokens = annotate("auto a = b->c;"); 2141 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2142 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2143 2144 Tokens = annotate("auto a = (b)->c;"); 2145 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2146 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2147 2148 Tokens = annotate("auto a = b()->c;"); 2149 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2150 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2151 2152 Tokens = annotate("auto a = b->c();"); 2153 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2154 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2155 2156 Tokens = annotate("decltype(auto) a = b()->c;"); 2157 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2158 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2159 2160 Tokens = annotate("void f() { auto a = b->c(); }"); 2161 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2162 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2163 2164 Tokens = annotate("void f() { auto a = b()->c; }"); 2165 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2166 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2167 2168 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2169 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2170 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2171 2172 Tokens = annotate("void f() FOO(foo->bar);"); 2173 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2174 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2175 2176 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2177 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2178 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2179 2180 auto Style = getLLVMStyle(); 2181 Style.StatementAttributeLikeMacros.push_back("emit"); 2182 Tokens = annotate("emit foo()->bar;", Style); 2183 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2184 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2185 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2186 2187 // Mixed 2188 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2189 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2190 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2191 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2192 } 2193 2194 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2195 auto Tokens = annotate("#define Foo(Bar) \\\n" 2196 " { \\\n" 2197 " #Bar \\\n" 2198 " }"); 2199 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2200 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2201 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2202 2203 Tokens = annotate("#define Foo(Bar) \\\n" 2204 " { #Bar }"); 2205 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2206 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2207 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2208 2209 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2210 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2211 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2212 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2213 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2214 } 2215 2216 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2217 // '__attribute__' has special handling. 2218 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2219 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2220 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2221 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2222 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2223 2224 // Generic macro has no special handling in this location. 2225 Tokens = annotate("A(X) void Foo(void);"); 2226 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2227 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2228 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2229 2230 // Add a custom AttributeMacro. Test that it has the same behavior. 2231 FormatStyle Style = getLLVMStyle(); 2232 Style.AttributeMacros.push_back("A"); 2233 2234 // An "AttributeMacro" gets annotated like '__attribute__'. 2235 Tokens = annotate("A(X) void Foo(void);", Style); 2236 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2237 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2238 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2239 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2240 } 2241 2242 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2243 // '__attribute__' has special handling. 2244 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2245 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2246 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2247 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2248 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2249 2250 // Generic macro has no special handling in this location. 2251 Tokens = annotate("A(X) @interface Foo"); 2252 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2253 // Note: Don't check token-type as a random token in this position is hard to 2254 // reason about. 2255 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2256 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2257 2258 // Add a custom AttributeMacro. Test that it has the same behavior. 2259 FormatStyle Style = getLLVMStyle(); 2260 Style.AttributeMacros.push_back("A"); 2261 2262 // An "AttributeMacro" gets annotated like '__attribute__'. 2263 Tokens = annotate("A(X) @interface Foo", Style); 2264 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2265 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2266 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2267 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2268 } 2269 2270 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2271 // '__attribute__' has special handling. 2272 auto Tokens = annotate("- (id)init __attribute__((X));"); 2273 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2274 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2275 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2276 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2277 2278 // Generic macro has no special handling in this location. 2279 Tokens = annotate("- (id)init A(X);"); 2280 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2281 // Note: Don't check token-type as a random token in this position is hard to 2282 // reason about. 2283 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2284 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2285 2286 // Add a custom AttributeMacro. Test that it has the same behavior. 2287 FormatStyle Style = getLLVMStyle(); 2288 Style.AttributeMacros.push_back("A"); 2289 2290 // An "AttributeMacro" gets annotated like '__attribute__'. 2291 Tokens = annotate("- (id)init A(X);", Style); 2292 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2293 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2294 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2295 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2296 } 2297 2298 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2299 // '__attribute__' has special handling. 2300 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2301 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2302 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2303 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2304 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2305 2306 // Generic macro has no special handling in this location. 2307 Tokens = annotate("@property(weak) id delegate A(X);"); 2308 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2309 // Note: Don't check token-type as a random token in this position is hard to 2310 // reason about. 2311 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2312 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2313 2314 // Add a custom AttributeMacro. Test that it has the same behavior. 2315 FormatStyle Style = getLLVMStyle(); 2316 Style.AttributeMacros.push_back("A"); 2317 2318 // An "AttributeMacro" gets annotated like '__attribute__'. 2319 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2320 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2321 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2322 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2323 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2324 } 2325 2326 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2327 auto Annotate = [this](StringRef Code) { 2328 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2329 }; 2330 // Test that unary operators get labeled as such and that operators like '++' 2331 // don't get split. 2332 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2333 tok::tilde, tok::amp, tok::pipe, 2334 tok::caret, tok::plusplus, tok::minusminus}; 2335 for (auto Kind : Unary) { 2336 auto Tokens = 2337 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2338 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2339 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2340 } 2341 // Operators formed by joining two operators like '^~'. For some of these 2342 // joined operators, we don't have a separate type, so we only test for their 2343 // precedence. 2344 std::pair<prec::Level, std::string> JoinedBinary[] = { 2345 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2346 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2347 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2348 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2349 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2350 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2351 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2352 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2353 {prec::Equality, "!="}, {prec::Equality, "==="}, 2354 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2355 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2356 {prec::ExclusiveOr, "^~"}, 2357 }; 2358 for (auto Operator : JoinedBinary) { 2359 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2360 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2361 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2362 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2363 } 2364 // '~^' and '^~' can be unary as well as binary operators. 2365 auto Tokens = Annotate("x = ~^x;"); 2366 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2367 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2368 Tokens = Annotate("x = ^~x;"); 2369 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2370 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2371 // The unary operators '~&' and '~|' can only be unary operators. The current 2372 // implementation treats each of them as separate unary '~' and '&' or '|' 2373 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2374 // there is a test that there is no space in between. And even if a new line 2375 // is inserted between the '~' and '|', the semantic meaning is the same as 2376 // the joined operator, so the CanBreakBefore property doesn't need to be 2377 // false for the second operator. 2378 Tokens = Annotate("x = ~&x;"); 2379 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2380 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2381 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2382 Tokens = Annotate("x = ~|x;"); 2383 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2384 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2385 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2386 // Test for block label colons. 2387 Tokens = Annotate("begin : x\n" 2388 "end : x"); 2389 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2390 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2391 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2392 // Test that the dimension colon is annotated correctly. 2393 Tokens = Annotate("var [1 : 0] x;"); 2394 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2395 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2396 Tokens = Annotate("extern function [1 : 0] x;"); 2397 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2398 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2399 Tokens = Annotate("module test\n" 2400 " (input wire [7 : 0] a[7 : 0]);\n" 2401 "endmodule"); 2402 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2403 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2404 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2405 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2406 // Test case labels and ternary operators. 2407 Tokens = Annotate("case (x)\n" 2408 " x:\n" 2409 " x;\n" 2410 "endcase"); 2411 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2412 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2413 Tokens = Annotate("case (x)\n" 2414 " x ? x : x:\n" 2415 " x;\n" 2416 "endcase"); 2417 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2418 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2419 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2420 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2421 // Non-blocking assignments. 2422 Tokens = Annotate("a <= b;"); 2423 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2424 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2425 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2426 Tokens = Annotate("if (a <= b) break;"); 2427 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2428 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2429 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2430 Tokens = Annotate("a <= b <= a;"); 2431 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2432 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2433 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2434 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2435 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2436 2437 // Port lists in module instantiation. 2438 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2439 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2440 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2441 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2442 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2443 "instance_2(port_2);"); 2444 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2445 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2446 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2447 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2448 2449 // Condition parentheses. 2450 Tokens = Annotate("assert (x);"); 2451 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2452 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2453 Tokens = Annotate("assert #0 (x);"); 2454 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2455 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2456 Tokens = Annotate("assert final (x);"); 2457 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2458 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2459 Tokens = Annotate("foreach (x[x]) continue;"); 2460 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2461 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2462 Tokens = Annotate("repeat (x[x]) continue;"); 2463 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2464 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2465 Tokens = Annotate("case (x) endcase;"); 2466 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2467 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2468 2469 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2470 // future, please adapt if those tokens get annotated. This test is only here 2471 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2472 Tokens = Annotate("always @(posedge x, posedge y);"); 2473 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2474 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2475 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2476 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2477 2478 // String literals in concatenation. 2479 Tokens = Annotate("x = {\"\"};"); 2480 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2481 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2482 Tokens = Annotate("x = {\"\", \"\"};"); 2483 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2484 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2485 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2486 Tokens = Annotate("x = '{{\"\"}};"); 2487 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2488 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2489 // Cases where the string should not be annotated that type. Fix the 2490 // `TT_Unknown` if needed in the future. 2491 Tokens = Annotate("x = {\"\" == \"\"};"); 2492 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2493 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2494 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2495 Tokens = Annotate("x = {(\"\")};"); 2496 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2497 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2498 Tokens = Annotate("x = '{\"\"};"); 2499 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2500 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2501 } 2502 2503 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2504 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2505 ASSERT_TRUE(Style.isTableGen()); 2506 2507 TestLexer Lexer(Allocator, Buffers, Style); 2508 AdditionalKeywords Keywords(Lexer.IdentTable); 2509 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2510 2511 // Additional keywords representation test. 2512 auto Tokens = Annotate("def foo : Bar<1>;"); 2513 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2514 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2515 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2516 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2517 2518 // Code, the multiline string token. 2519 Tokens = Annotate("[{ code is multiline string }]"); 2520 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2521 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2522 EXPECT_FALSE(Tokens[0]->IsMultiline); 2523 // Case with multiple lines. 2524 Tokens = Annotate("[{ It can break\n" 2525 " across lines and the line breaks\n" 2526 " are retained in \n" 2527 " the string. }]"); 2528 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2529 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2530 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2531 EXPECT_TRUE(Tokens[0]->IsMultiline); 2532 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2533 2534 // Numeric literals. 2535 Tokens = Annotate("1234"); 2536 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2537 Tokens = Annotate("-1"); 2538 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2539 Tokens = Annotate("+1234"); 2540 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2541 Tokens = Annotate("0b0110"); 2542 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2543 Tokens = Annotate("0x1abC"); 2544 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2545 2546 // Identifier tokens. In TableGen, identifiers can begin with a number. 2547 // In ambiguous cases, the lexer tries to lex it as a number. 2548 // Even if the try fails, it does not fall back to identifier lexing and 2549 // regard as an error. 2550 // The ambiguity is not documented. The result of those tests are based on the 2551 // implementation of llvm::TGLexer::LexToken. 2552 // This is invalid syntax of number, but not an identifier. 2553 Tokens = Annotate("0x1234x"); 2554 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2555 Tokens = Annotate("identifier"); 2556 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2557 // Identifier beginning with a number. 2558 Tokens = Annotate("0x"); 2559 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2560 Tokens = Annotate("2dVector"); 2561 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2562 Tokens = Annotate("01234Vector"); 2563 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2564 2565 // Structured statements. 2566 Tokens = Annotate("class Foo {}"); 2567 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2568 Tokens = Annotate("def Def: Foo {}"); 2569 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2570 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2571 Tokens = Annotate("if cond then {} else {}"); 2572 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2573 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2574 Tokens = Annotate("defset Foo Def2 = {}"); 2575 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2576 2577 // Bang Operators. 2578 Tokens = Annotate("!foreach"); 2579 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2580 Tokens = Annotate("!if"); 2581 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2582 Tokens = Annotate("!cond"); 2583 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2584 2585 auto AnnotateValue = [this, &Style](StringRef Code) { 2586 // Values are annotated only in specific context. 2587 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2588 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2589 }; 2590 // Both of bang/cond operators. 2591 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2592 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2593 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2594 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2595 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2596 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2597 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2598 // DAGArg values with operator identifier 2599 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2600 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2601 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2602 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2603 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2604 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2605 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2606 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2607 // List literal 2608 Tokens = AnnotateValue("[1, 2, 3]"); 2609 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2610 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2611 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2612 // Suffixes of values 2613 Tokens = AnnotateValue("valid.field"); 2614 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2615 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2616 // Code 2617 Tokens = AnnotateValue("[{ code is multiline string }]"); 2618 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2619 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2620 2621 // The definition 2622 Tokens = annotate("def Def : Parent<Child> {}", Style); 2623 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2624 // We use inheritance colon and function brace. They are enough. 2625 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2626 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2627 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2628 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2629 2630 // DAGArg breaking options. They use different token types depending on what 2631 // is specified. 2632 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2633 2634 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2635 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2636 // elements to have line break. 2637 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2638 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2639 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2640 EXPECT_TOKEN(Tokens[1], tok::identifier, 2641 TT_TableGenDAGArgOperatorID); // ins 2642 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2643 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2644 2645 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2646 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2647 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2648 EXPECT_TOKEN(Tokens[1], tok::identifier, 2649 TT_TableGenDAGArgOperatorID); // other 2650 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2651 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2652 2653 // For non-identifier operators, breaks after the operator. 2654 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2655 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2656 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2657 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2658 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2659 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2660 2661 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2662 2663 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2664 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2665 // to have line break inside it. 2666 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2667 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2668 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2669 EXPECT_TOKEN(Tokens[1], tok::identifier, 2670 TT_TableGenDAGArgOperatorToBreak); // ins 2671 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2672 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2673 2674 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2675 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2676 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2677 EXPECT_TOKEN(Tokens[1], tok::identifier, 2678 TT_TableGenDAGArgOperatorToBreak); // other 2679 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2680 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2681 2682 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2683 // specified operators. 2684 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2685 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2686 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2687 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2688 EXPECT_TOKEN(Tokens[1], tok::identifier, 2689 TT_TableGenDAGArgOperatorToBreak); // ins 2690 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2691 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2692 2693 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2694 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2695 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2696 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2697 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2698 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2699 2700 // If TableGenBreakingDAGArgOperators is enabled, it uses 2701 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2702 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2703 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2704 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2705 EXPECT_TOKEN(Tokens[1], tok::identifier, 2706 TT_TableGenDAGArgOperatorToBreak); // ins 2707 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2708 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2709 2710 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2711 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2712 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2713 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2714 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2715 } 2716 2717 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2718 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2719 2720 // The TT_Unknown is clearly not binding for the future, please adapt if those 2721 // tokens get annotated. 2722 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2723 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2724 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2725 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2726 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2727 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2728 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2729 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2730 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2731 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2732 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2733 2734 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2735 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2736 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2737 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2738 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2739 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2740 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2741 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2742 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2743 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2744 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2745 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2746 2747 Tokens = annotate("class Class {\n" 2748 " Class() : BaseClass() {\n" 2749 "#if 0\n" 2750 " // comment\n" 2751 "#endif\n" 2752 " }\n" 2753 " Class f();\n" 2754 "}"); 2755 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2756 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2757 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2758 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2759 } 2760 2761 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2762 auto Tokens = annotate("if (x) {}"); 2763 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2764 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2765 Tokens = annotate("if constexpr (x) {}"); 2766 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2767 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2768 Tokens = annotate("if CONSTEXPR (x) {}"); 2769 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2770 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2771 Tokens = annotate("if (x) {} else if (x) {}"); 2772 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2773 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2774 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2775 } 2776 2777 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2778 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2779 2780 auto Tokens = annotate("int? a;", Style); 2781 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2782 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2783 2784 Tokens = annotate("int? a = 1;", Style); 2785 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2786 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2787 2788 Tokens = annotate("int?)", Style); 2789 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2790 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2791 2792 Tokens = annotate("int?>", Style); 2793 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2794 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2795 2796 Tokens = annotate("cond? id : id2", Style); 2797 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2798 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2799 2800 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2801 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2802 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2803 } 2804 2805 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2806 auto Tokens = annotate("{ x: break; }"); 2807 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2808 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2809 2810 Tokens = annotate("{ case x: break; }"); 2811 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2812 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2813 2814 Tokens = annotate("{ x: { break; } }"); 2815 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2816 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2817 2818 Tokens = annotate("{ case x: { break; } }"); 2819 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2820 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2821 2822 Tokens = annotate("#define FOO label:"); 2823 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2824 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2825 2826 Tokens = annotate("#define FOO \\\n" 2827 "label: \\\n" 2828 " break;"); 2829 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2830 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2831 } 2832 2833 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2834 // The closing braces are not annotated. It doesn't seem to cause a problem. 2835 // So we only test for the opening braces. 2836 auto Tokens = annotate("{\n" 2837 " {\n" 2838 " { int a = 0; }\n" 2839 " }\n" 2840 " {}\n" 2841 "}"); 2842 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2843 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2844 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2845 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2846 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2847 } 2848 2849 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2850 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2851 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2852 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2853 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2854 2855 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2856 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2857 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2858 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2859 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2860 2861 Tokens = annotate("SomeStruct {\n" 2862 "#ifdef FOO\n" 2863 " .a = 1,\n" 2864 "#endif\n" 2865 " .b = 2\n" 2866 "};"); 2867 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2868 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2869 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2870 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2871 2872 Tokens = annotate("SomeStruct {\n" 2873 "#if defined FOO\n" 2874 " .a = 1,\n" 2875 "#endif\n" 2876 " .b = 2\n" 2877 "};"); 2878 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2879 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2880 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2881 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2882 2883 Tokens = annotate("Foo foo[] = {[0]{}};"); 2884 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2885 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2886 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2887 } 2888 2889 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2890 auto Annotate = [this](StringRef Code) { 2891 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2892 }; 2893 2894 // Dictionary. 2895 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2896 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2897 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2898 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2899 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2900 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2901 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2902 // Change when we need to annotate these. 2903 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2904 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2905 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2906 } 2907 2908 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2909 auto Tokens = annotate("bool foo __attribute__((unused));"); 2910 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2911 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2912 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2913 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2914 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2915 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2916 2917 Tokens = annotate("bool foo __declspec(dllimport);"); 2918 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2919 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2920 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2921 2922 Tokens = annotate("bool __attribute__((unused)) foo;"); 2923 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2924 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2925 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2926 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2927 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2928 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2929 2930 Tokens = annotate("void __attribute__((x)) Foo();"); 2931 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2932 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2933 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2934 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2935 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2936 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2937 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2938 2939 FormatStyle Style = getLLVMStyle(); 2940 Style.AttributeMacros.push_back("FOO"); 2941 Tokens = annotate("bool foo FOO(unused);", Style); 2942 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2943 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2944 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2945 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2946 } 2947 2948 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2949 auto Tokens = annotate("while (true) {}"); 2950 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2951 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2952 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2953 2954 Tokens = annotate("for (;;) {}"); 2955 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2956 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2957 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2958 2959 Tokens = annotate("do {} while (true);"); 2960 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2961 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2962 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2963 2964 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2965 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2966 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2967 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2968 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2969 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2970 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2971 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2972 2973 Tokens = annotate("switch (foo) {}"); 2974 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2975 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2976 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2977 } 2978 2979 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2980 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2981 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2982 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2983 2984 Tokens = annotate("do ++i; while ( i > 5 );"); 2985 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2986 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2987 } 2988 2989 TEST_F(TokenAnnotatorTest, StartOfName) { 2990 auto Tokens = annotate("#pragma clang diagnostic push"); 2991 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2992 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2993 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2994 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2995 2996 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2997 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2998 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2999 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3000 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3001 3002 Tokens = annotate("#define FOO Foo foo"); 3003 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3004 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3005 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3006 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3007 3008 Tokens = annotate("@interface NSCoder (TestCoder)"); 3009 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3010 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3011 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3012 3013 auto Style = getLLVMStyle(); 3014 Style.StatementAttributeLikeMacros.push_back("emit"); 3015 Tokens = annotate("emit foo = 0;", Style); 3016 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3017 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3018 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3019 } 3020 3021 TEST_F(TokenAnnotatorTest, BraceKind) { 3022 auto Tokens = annotate("void f() {};"); 3023 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3024 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3025 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3026 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3027 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3028 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3029 3030 Tokens = annotate("class Foo<int> f() {}"); 3031 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3032 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3033 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3034 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3035 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3036 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3037 3038 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3039 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3040 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3041 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3042 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3043 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3044 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3045 3046 Tokens = annotate("void f() override {};"); 3047 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3048 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3049 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3050 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3051 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3052 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3053 3054 Tokens = annotate("void f() noexcept(false) {};"); 3055 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3056 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3057 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3058 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3059 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3060 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3061 3062 Tokens = annotate("auto f() -> void {};"); 3063 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3064 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3065 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3066 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3067 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3068 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3069 3070 Tokens = annotate("void f() { /**/ };"); 3071 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3072 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3073 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3074 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3075 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3076 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3077 3078 Tokens = annotate("void f() { //\n" 3079 "};"); 3080 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3081 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3082 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3083 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3084 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3085 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3086 3087 Tokens = annotate("void f() {\n" 3088 " //\n" 3089 "};"); 3090 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3091 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3092 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3093 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3094 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3095 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3096 3097 Tokens = annotate("struct Foo {\n" 3098 " Foo() {};\n" 3099 " ~Foo() {};\n" 3100 "};"); 3101 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3102 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3103 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3104 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3105 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3106 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3107 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3108 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3109 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3110 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3111 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3112 3113 Tokens = annotate("{\n" 3114 " char *a[] = {\n" 3115 " /* abc */ \"abc\",\n" 3116 "#if FOO\n" 3117 " /* xyz */ \"xyz\",\n" 3118 "#endif\n" 3119 " /* last */ \"last\"};\n" 3120 "}"); 3121 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3122 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3123 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3124 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3125 3126 Tokens = 3127 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3128 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3129 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3130 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3131 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3132 3133 Tokens = annotate("struct {};"); 3134 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3135 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3136 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3137 3138 Tokens = annotate("struct : Base {};"); 3139 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3140 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3141 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3142 3143 Tokens = annotate("struct Foo {};"); 3144 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3145 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3146 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3147 3148 Tokens = annotate("struct ::Foo {};"); 3149 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3150 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3151 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3152 3153 Tokens = annotate("struct NS::Foo {};"); 3154 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3155 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3156 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3157 3158 Tokens = annotate("struct Foo<int> {};"); 3159 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3160 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3161 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3162 3163 Tokens = annotate("struct Foo<int>::Bar {};"); 3164 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3165 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3166 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3167 3168 Tokens = annotate("struct Foo<int> : Base {};"); 3169 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3170 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3171 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3172 3173 Tokens = annotate("struct Foo final {};"); 3174 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3175 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3176 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3177 3178 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3179 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3180 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3181 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3182 3183 Tokens = annotate("struct Foo x{};"); 3184 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3185 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3186 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3187 3188 Tokens = annotate("struct ::Foo x{};"); 3189 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3190 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3191 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3192 3193 Tokens = annotate("struct NS::Foo x{};"); 3194 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3195 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3196 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3197 3198 Tokens = annotate("struct Foo<int> x{};"); 3199 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3200 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3201 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3202 3203 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3204 "#else\n" 3205 "#endif\n" 3206 "class RenderingServer : Object {\n" 3207 "#ifndef DISABLE_DEPRECATED\n" 3208 " enum Features {\n" 3209 " FEATURE_SHADERS,\n" 3210 " FEATURE_MULTITHREADED,\n" 3211 " };\n" 3212 "#endif\n" 3213 "};"); 3214 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3215 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3216 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3217 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3218 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3219 3220 Tokens = annotate("{\n" 3221 "#define M(x) \\\n" 3222 " return {#x};\n" 3223 "}"); 3224 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3225 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3226 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3227 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3228 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3229 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3230 } 3231 3232 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3233 auto Tokens = annotate("auto foo() -> enum En {}"); 3234 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3235 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3236 } 3237 3238 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3239 auto Tokens = annotate("{\n" 3240 " {\n" 3241 " foo();\n" 3242 " }\n" 3243 "}"); 3244 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3245 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3246 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3247 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3248 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3249 3250 Tokens = annotate("void bar() {\n" 3251 " {\n" 3252 " foo();\n" 3253 " }\n" 3254 "}"); 3255 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3256 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3257 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3258 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3259 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3260 } 3261 3262 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3263 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3264 auto Tokens = annotate("i = switch (day) {\n" 3265 " case THURSDAY, SATURDAY -> 8;\n" 3266 " case WEDNESDAY -> 9;\n" 3267 " default -> 1;\n" 3268 "};", 3269 Style); 3270 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3271 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3272 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3273 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3274 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3275 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3276 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3277 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3278 } 3279 3280 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3281 auto Tokens = annotate("a = b and c;"); 3282 ASSERT_EQ(Tokens.size(), 7u); 3283 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3284 3285 Tokens = annotate("a = b and_eq c;"); 3286 ASSERT_EQ(Tokens.size(), 7u); 3287 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3288 3289 Tokens = annotate("a = b bitand c;"); 3290 ASSERT_EQ(Tokens.size(), 7u); 3291 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3292 3293 Tokens = annotate("a = b bitor c;"); 3294 ASSERT_EQ(Tokens.size(), 7u); 3295 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3296 3297 Tokens = annotate("a = b compl c;"); 3298 ASSERT_EQ(Tokens.size(), 7u); 3299 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3300 3301 Tokens = annotate("a = b not c;"); 3302 ASSERT_EQ(Tokens.size(), 7u); 3303 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3304 3305 Tokens = annotate("a = b not_eq c;"); 3306 ASSERT_EQ(Tokens.size(), 7u); 3307 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3308 3309 Tokens = annotate("a = b or c;"); 3310 ASSERT_EQ(Tokens.size(), 7u); 3311 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3312 3313 Tokens = annotate("a = b or_eq c;"); 3314 ASSERT_EQ(Tokens.size(), 7u); 3315 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3316 3317 Tokens = annotate("a = b xor c;"); 3318 ASSERT_EQ(Tokens.size(), 7u); 3319 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3320 3321 Tokens = annotate("a = b xor_eq c;"); 3322 ASSERT_EQ(Tokens.size(), 7u); 3323 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3324 3325 Tokens = annotate("xor = foo;"); 3326 ASSERT_EQ(Tokens.size(), 5u); 3327 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3328 3329 Tokens = annotate("int xor = foo;"); 3330 ASSERT_EQ(Tokens.size(), 6u); 3331 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3332 } 3333 3334 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3335 auto Tokens = 3336 annotate("Foo::Foo(int x, int y) try\n" 3337 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3338 "} catch (...) {\n" 3339 "}"); 3340 ASSERT_EQ(Tokens.size(), 45u); 3341 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3342 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3343 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3344 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3345 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_TrailingReturnArrow); 3346 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3347 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3348 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3349 } 3350 3351 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3352 auto Style = getLLVMStyle(); 3353 Style.TypenameMacros.push_back("STRUCT"); 3354 3355 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3356 ASSERT_EQ(Tokens.size(), 13u); 3357 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3358 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3359 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3360 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3361 } 3362 3363 } // namespace 3364 } // namespace format 3365 } // namespace clang 3366