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 Tokens = annotate("int result = ((int)a) - b;"); 751 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 752 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 753 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 754 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 755 756 auto Style = getLLVMStyle(); 757 Style.TypeNames.push_back("Foo"); 758 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 759 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 760 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 761 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 762 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 763 } 764 765 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 766 auto Tokens = annotate("void f() throw(int);"); 767 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 768 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 769 } 770 771 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 772 auto Tokens = annotate("void f() &;"); 773 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 774 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 775 776 Tokens = annotate("void operator=(T) &&;"); 777 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 778 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 779 780 Tokens = annotate("template <typename T> void f() &;"); 781 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 782 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 783 784 Tokens = annotate("template <typename T> void operator=(T) &;"); 785 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 786 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 787 } 788 789 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 790 auto Tokens = annotate("x.operator+()"); 791 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 792 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 793 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 794 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 795 Tokens = annotate("x.operator=()"); 796 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 797 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 798 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 799 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 800 Tokens = annotate("x.operator+=()"); 801 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 802 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 803 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 804 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 805 Tokens = annotate("x.operator,()"); 806 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 807 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 808 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 809 EXPECT_TOKEN(Tokens[4], 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_paren, TT_OverloadedOperator); 814 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 815 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 816 Tokens = annotate("x.operator[]()"); 817 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 818 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 819 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 820 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 821 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 822 Tokens = annotate("x.operator\"\"_a()"); 823 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 824 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 825 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 826 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 827 Tokens = annotate("x.operator\"\" _a()"); 828 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 829 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 830 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 831 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 832 Tokens = annotate("x.operator\"\"if()"); 833 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 834 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 835 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 836 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 837 Tokens = annotate("x.operator\"\"s()"); 838 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 839 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 840 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 841 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 842 Tokens = annotate("x.operator\"\" s()"); 843 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 844 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 845 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 846 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 847 848 Tokens = annotate("int operator+(int);"); 849 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 850 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 851 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 852 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 853 Tokens = annotate("auto operator=(T&) {}"); 854 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 855 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 856 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 857 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 858 Tokens = annotate("auto operator()() {}"); 859 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 860 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 861 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 862 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 863 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 864 865 Tokens = annotate("class Foo {\n" 866 " int operator+(a* b);\n" 867 "}"); 868 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 869 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 870 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 871 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 872 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 873 874 Tokens = annotate("class Foo {\n" 875 " int c = operator+(a * b);\n" 876 "}"); 877 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 878 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 879 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 880 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 881 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 882 883 Tokens = annotate("void foo() {\n" 884 " operator+(a * b);\n" 885 "}"); 886 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 887 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 888 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 889 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 890 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 891 892 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 893 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 894 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 895 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 896 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 897 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 898 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 899 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 900 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 901 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 902 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 903 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 904 905 Tokens = annotate("class Foo {\n" 906 " void foo() {\n" 907 " operator+(a * b);\n" 908 " }\n" 909 "}"); 910 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 911 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 912 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 913 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 914 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 915 916 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 917 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 918 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 919 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 920 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 921 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 922 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 923 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 924 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 925 926 Tokens = annotate("decltype(auto) operator()(T &x);"); 927 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 928 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 929 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 930 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 931 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 932 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 933 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 934 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 935 } 936 937 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 938 struct { 939 const char *Text; 940 tok::TokenKind Kind; 941 } Operators[] = {{"+", tok::plus}, 942 {"-", tok::minus}, 943 // FIXME: 944 // {"*", tok::star}, 945 {"/", tok::slash}, 946 {"%", tok::percent}, 947 {"^", tok::caret}, 948 // FIXME: 949 // {"&", tok::amp}, 950 {"|", tok::pipe}, 951 {"~", tok::tilde}, 952 {"!", tok::exclaim}, 953 {"=", tok::equal}, 954 // FIXME: 955 // {"<", tok::less}, 956 {">", tok::greater}, 957 {"+=", tok::plusequal}, 958 {"-=", tok::minusequal}, 959 {"*=", tok::starequal}, 960 {"/=", tok::slashequal}, 961 {"%=", tok::percentequal}, 962 {"^=", tok::caretequal}, 963 {"&=", tok::ampequal}, 964 {"|=", tok::pipeequal}, 965 {"<<", tok::lessless}, 966 {">>", tok::greatergreater}, 967 {">>=", tok::greatergreaterequal}, 968 {"<<=", tok::lesslessequal}, 969 {"==", tok::equalequal}, 970 {"!=", tok::exclaimequal}, 971 {"<=", tok::lessequal}, 972 {">=", tok::greaterequal}, 973 {"<=>", tok::spaceship}, 974 {"&&", tok::ampamp}, 975 {"||", tok::pipepipe}, 976 {"++", tok::plusplus}, 977 {"--", tok::minusminus}, 978 {",", tok::comma}, 979 {"->*", tok::arrowstar}, 980 {"->", tok::arrow}}; 981 982 for (const auto &Operator : Operators) { 983 std::string Input("C<&operator"); 984 Input += Operator.Text; 985 Input += " > a;"; 986 auto Tokens = annotate(std::string(Input)); 987 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 988 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 989 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 990 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 991 } 992 993 auto Tokens = annotate("C<&operator< <X>> lt;"); 994 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 995 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 996 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 997 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 998 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 999 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1000 } 1001 1002 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1003 auto Tokens = annotate("template <typename T>\n" 1004 "concept C = (Foo && Bar) && (Bar && Baz);"); 1005 1006 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1007 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1008 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1009 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1010 1011 Tokens = annotate("template <typename T>\n" 1012 "concept C = Foo && !Bar;"); 1013 1014 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1015 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1016 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1017 1018 Tokens = annotate("template <typename T>\n" 1019 "concept C = requires(T t) {\n" 1020 " { t.foo() };\n" 1021 "} && Bar<T> && Baz<T>;"); 1022 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1023 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1024 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1025 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1026 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1027 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1028 1029 Tokens = annotate("template<typename T>\n" 1030 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1031 "struct Foo;"); 1032 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1033 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1034 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1035 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1036 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1037 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1038 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1039 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1040 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1041 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1042 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1043 1044 Tokens = 1045 annotate("template<typename T>\n" 1046 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1047 "struct Foo;"); 1048 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1049 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1050 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1051 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1052 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1053 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1054 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1055 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1056 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1057 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1058 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1059 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1060 1061 Tokens = annotate("template <typename T>\n" 1062 "void foo(T) noexcept requires Bar<T>;"); 1063 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1064 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1065 1066 Tokens = annotate("template <typename T>\n" 1067 "requires Bar<T> || Baz<T>\n" 1068 "auto foo(T) -> int;"); 1069 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1070 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1071 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1072 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1073 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1074 1075 Tokens = annotate("template <typename T>\n" 1076 "requires Bar<T>\n" 1077 "bool foo(T) { return false; }"); 1078 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1079 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1080 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1081 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1082 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1083 1084 Tokens = annotate("template <typename T>\n" 1085 "requires Bar<T>\n" 1086 "decltype(auto) foo(T) { return false; }"); 1087 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1088 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1089 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1090 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1091 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1092 1093 Tokens = annotate("template <typename T>\n" 1094 "struct S {\n" 1095 " void foo() const requires Bar<T>;\n" 1096 " void bar() const & requires Baz<T>;\n" 1097 " void bar() && requires Baz2<T>;\n" 1098 " void baz() const & noexcept requires Baz<T>;\n" 1099 " void baz() && noexcept requires Baz2<T>;\n" 1100 "};\n" 1101 "\n" 1102 "void S::bar() const & requires Baz<T> { }"); 1103 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1104 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1105 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1106 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1107 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1108 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1109 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1110 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1111 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1112 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1113 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1114 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1115 1116 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1117 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1118 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1119 1120 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1121 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1122 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1123 1124 Tokens = 1125 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1126 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1127 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1128 1129 Tokens = annotate("void Class::member() && requires(typename " 1130 "Namespace::Outer<T>::Inner::Constant) {}"); 1131 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1132 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1133 1134 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1135 " template<class T>\n" 1136 " requires requires { number_zero_v<T>; }\n" 1137 " [[nodiscard]] constexpr operator T() const { " 1138 "return number_zero_v<T>; }\n" 1139 "};"); 1140 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1141 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1142 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1143 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1144 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1145 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1146 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1147 1148 Tokens = 1149 annotate("template <class A, class B> concept C =" 1150 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1151 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1152 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1153 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1154 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1155 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1156 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1157 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1158 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1159 1160 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1161 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1162 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1163 1164 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1165 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1166 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1167 1168 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1169 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1170 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1171 1172 Tokens = 1173 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1174 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1175 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1176 1177 Tokens = 1178 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1179 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1180 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1181 1182 Tokens = 1183 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1184 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1185 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1186 1187 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1188 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1189 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1190 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1191 1192 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1193 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1194 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1195 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1196 1197 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1198 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1199 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1200 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1201 1202 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1203 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1204 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1205 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1206 1207 Tokens = annotate("void f() & requires(true) {}"); 1208 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1209 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1210 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1211 1212 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1213 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1214 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1215 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1216 1217 Tokens = annotate("template <typename T>\n" 1218 "concept C = (!Foo<T>) && Bar;"); 1219 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1220 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1221 1222 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1223 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1224 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1225 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1226 1227 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1228 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1229 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1230 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1231 1232 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1233 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1234 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1235 1236 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1237 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1238 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1239 1240 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1241 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1242 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1243 } 1244 1245 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1246 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1247 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1248 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1249 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1250 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1251 1252 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1253 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1254 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1255 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1256 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1257 1258 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1259 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1260 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1261 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1262 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1263 1264 Tokens = annotate("foo(requires(const T 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 int 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(const T t) {});"); 1277 ASSERT_EQ(Tokens.size(), 13u) << 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[8], tok::l_brace, TT_RequiresExpressionLBrace); 1281 1282 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1283 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1284 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1285 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1286 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1287 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1288 1289 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1290 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1291 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1292 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1293 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1294 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1295 1296 Tokens = annotate("foo(requires(T& t) {});"); 1297 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1298 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1299 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1300 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1301 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1302 1303 Tokens = annotate("foo(requires(T&& t) {});"); 1304 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1305 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1306 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1307 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1308 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1309 1310 Tokens = annotate("bool foo = requires(T& t) {};"); 1311 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1312 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1313 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1314 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1315 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1316 1317 Tokens = annotate("bool foo = requires(T&& t) {};"); 1318 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1319 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1320 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1321 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1322 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1323 1324 Tokens = 1325 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1326 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1327 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1328 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1329 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1330 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1331 1332 Tokens = annotate("template <typename T>\n" 1333 "concept C = requires(T T) {\n" 1334 " requires Bar<T> && Foo<T>;\n" 1335 "};"); 1336 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1337 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1338 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1339 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1340 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1341 TT_RequiresClauseInARequiresExpression); 1342 1343 Tokens = annotate("template <typename T>\n" 1344 "concept C = requires(T T) {\n" 1345 " { t.func() } -> std::same_as<int>;" 1346 " requires Bar<T> && Foo<T>;\n" 1347 "};"); 1348 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1349 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1350 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1351 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1352 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1353 TT_RequiresClauseInARequiresExpression); 1354 1355 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1356 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1357 "requires true; };"); 1358 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1359 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1360 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1361 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1362 1363 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1364 " { c.foo(); }\n" 1365 "};"); 1366 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1367 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1368 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1369 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1370 } 1371 1372 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1373 // Everything after #pragma region should be ImplicitStringLiteral 1374 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1375 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1376 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1377 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1378 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1379 1380 // Make sure it's annotated correctly inside a function as well 1381 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1382 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1383 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1384 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1385 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1386 } 1387 1388 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1389 const char *BaseCode = nullptr; 1390 const char *ConstrainedCode = nullptr; 1391 auto BaseTokenCount = 0u; 1392 auto RequiresTokenCount = 0u; 1393 auto PrefixTokenCount = 0u; 1394 1395 auto TestRequires = [&](int Line) { 1396 const auto BaseTokens = annotate(BaseCode); 1397 const auto ConstrainedTokens = annotate(ConstrainedCode); 1398 1399 #define LINE " (Line " << Line << ')' 1400 1401 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1402 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1403 << LINE; 1404 1405 for (auto I = 0u; I < BaseTokenCount; ++I) { 1406 EXPECT_EQ( 1407 *BaseTokens[I], 1408 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1409 << I << LINE; 1410 } 1411 1412 #undef LINE 1413 }; 1414 1415 BaseCode = "template<typename T>\n" 1416 "T Pi = 3.14;"; 1417 ConstrainedCode = "template<typename T>\n" 1418 " requires Foo<T>\n" 1419 "T Pi = 3.14;"; 1420 BaseTokenCount = 11; 1421 RequiresTokenCount = 5; 1422 PrefixTokenCount = 5; 1423 TestRequires(__LINE__); 1424 1425 BaseCode = "template<typename T>\n" 1426 "struct Bar;"; 1427 ConstrainedCode = "template<typename T>\n" 1428 " requires Foo<T>\n" 1429 "struct Bar;"; 1430 BaseTokenCount = 9; 1431 TestRequires(__LINE__); 1432 1433 BaseCode = "template<typename T>\n" 1434 "struct Bar {\n" 1435 " T foo();\n" 1436 " T bar();\n" 1437 "};"; 1438 ConstrainedCode = "template<typename T>\n" 1439 " requires Foo<T>\n" 1440 "struct Bar {\n" 1441 " T foo();\n" 1442 " T bar();\n" 1443 "};"; 1444 BaseTokenCount = 21; 1445 TestRequires(__LINE__); 1446 1447 BaseCode = "template<typename T>\n" 1448 "Bar(T) -> Bar<T>;"; 1449 ConstrainedCode = "template<typename T>\n" 1450 " requires Foo<T>\n" 1451 "Bar(T) -> Bar<T>;"; 1452 BaseTokenCount = 16; 1453 TestRequires(__LINE__); 1454 1455 BaseCode = "template<typename T>\n" 1456 "T foo();"; 1457 ConstrainedCode = "template<typename T>\n" 1458 " requires Foo<T>\n" 1459 "T foo();"; 1460 BaseTokenCount = 11; 1461 TestRequires(__LINE__); 1462 1463 BaseCode = "template<typename T>\n" 1464 "T foo() {\n" 1465 " auto bar = baz();\n" 1466 " return bar + T{};\n" 1467 "}"; 1468 ConstrainedCode = "template<typename T>\n" 1469 " requires Foo<T>\n" 1470 "T foo() {\n" 1471 " auto bar = baz();\n" 1472 " return bar + T{};\n" 1473 "}"; 1474 BaseTokenCount = 26; 1475 TestRequires(__LINE__); 1476 1477 BaseCode = "template<typename T>\n" 1478 "T foo();"; 1479 ConstrainedCode = "template<typename T>\n" 1480 "T foo() requires Foo<T>;"; 1481 BaseTokenCount = 11; 1482 PrefixTokenCount = 9; 1483 TestRequires(__LINE__); 1484 1485 BaseCode = "template<typename T>\n" 1486 "T foo() {\n" 1487 " auto bar = baz();\n" 1488 " return bar + T{};\n" 1489 "}"; 1490 ConstrainedCode = "template<typename T>\n" 1491 "T foo() requires Foo<T> {\n" 1492 " auto bar = baz();\n" 1493 " return bar + T{};\n" 1494 "}"; 1495 BaseTokenCount = 26; 1496 TestRequires(__LINE__); 1497 1498 BaseCode = "template<typename T>\n" 1499 "T foo();"; 1500 ConstrainedCode = "template<typename T>\n" 1501 " requires(Foo<T>)\n" 1502 "T foo();"; 1503 BaseTokenCount = 11; 1504 RequiresTokenCount = 7; 1505 PrefixTokenCount = 5; 1506 TestRequires(__LINE__); 1507 1508 BaseCode = "template<typename T>\n" 1509 "Bar(T) -> Bar<typename T::I>;"; 1510 ConstrainedCode = "template<typename T>\n" 1511 " requires requires(T &&t) {\n" 1512 " typename T::I;\n" 1513 " }\n" 1514 "Bar(T) -> Bar<typename T::I>;"; 1515 BaseTokenCount = 19; 1516 RequiresTokenCount = 14; 1517 PrefixTokenCount = 5; 1518 TestRequires(__LINE__); 1519 1520 BaseCode = "struct [[nodiscard]] zero_t {\n" 1521 " template<class T>\n" 1522 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1523 "};"; 1524 ConstrainedCode = 1525 "struct [[nodiscard]] zero_t {\n" 1526 " template<class T>\n" 1527 " requires requires { v<T>; }\n" 1528 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1529 "};"; 1530 BaseTokenCount = 35; 1531 RequiresTokenCount = 9; 1532 PrefixTokenCount = 13; 1533 TestRequires(__LINE__); 1534 1535 BaseCode = "constexpr Foo(Foo const &other)\n" 1536 " : value{other.value} {\n" 1537 " do_magic();\n" 1538 " do_more_magic();\n" 1539 "}"; 1540 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1541 " requires std::is_copy_constructible<T>\n" 1542 " : value{other.value} {\n" 1543 " do_magic();\n" 1544 " do_more_magic();\n" 1545 "}"; 1546 BaseTokenCount = 26; 1547 RequiresTokenCount = 7; 1548 PrefixTokenCount = 8; 1549 TestRequires(__LINE__); 1550 1551 BaseCode = "constexpr Foo(Foo const &other)\n" 1552 " : value{other.value} {\n" 1553 " do_magic();\n" 1554 " do_more_magic();\n" 1555 "}"; 1556 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1557 " requires (std::is_copy_constructible<T>)\n" 1558 " : value{other.value} {\n" 1559 " do_magic();\n" 1560 " do_more_magic();\n" 1561 "}"; 1562 RequiresTokenCount = 9; 1563 TestRequires(__LINE__); 1564 1565 BaseCode = "template<typename T>\n" 1566 "ANNOTATE(\"S\"\n" 1567 " \"S\")\n" 1568 "void foo();"; 1569 ConstrainedCode = "template<typename T>\n" 1570 " requires(true)\n" 1571 "ANNOTATE(\"S\"\n" 1572 " \"S\")\n" 1573 "void foo();"; 1574 BaseTokenCount = 16; 1575 RequiresTokenCount = 4; 1576 PrefixTokenCount = 5; 1577 TestRequires(__LINE__); 1578 } 1579 1580 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1581 auto Tokens = annotate("__asm{\n" 1582 "\"a\":\n" 1583 ": x\n" 1584 ":};"); 1585 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1586 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1587 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1588 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1589 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1590 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1591 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1592 1593 Tokens = annotate("__asm(\n" 1594 "\"a\":\n" 1595 ": x\n" 1596 ":);"); 1597 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1598 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1599 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1600 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1601 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1602 1603 Tokens = annotate("asm volatile (\n" 1604 "\"a_label:\"\n" 1605 ":\n" 1606 ": x\n" 1607 ":);"); 1608 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1609 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1610 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1611 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1612 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1613 1614 Tokens = annotate("__asm__(\n" 1615 "\"a_label:\"\n" 1616 ": x\n" 1617 ":\n" 1618 ": y);"); 1619 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1620 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1621 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1622 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1623 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1624 1625 Tokens = annotate("__asm volatile (\n" 1626 "\"a_label:\"\n" 1627 "\"a b c(%%x)\"\n" 1628 ":\n" 1629 ": x\n" 1630 ":);"); 1631 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1632 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1633 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1634 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1635 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1636 1637 Tokens = annotate("asm(\n" 1638 "\"insn\"\n" 1639 ": \"=r\" (var1), \"=&r\" (value)\n" 1640 ":\n" 1641 ": \"memory\");"); 1642 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1643 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1644 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1645 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1646 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1647 1648 Tokens = annotate("__asm__ volatile (\n" 1649 "\"ldr r1, [r0, %%[sym]]\"\n" 1650 ":\n" 1651 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1652 ");"); 1653 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1654 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1655 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1656 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1657 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1658 } 1659 1660 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1661 auto Tokens = annotate("int (^)() = ^ ()\n" 1662 " external_source_symbol() { //\n" 1663 " return 1;\n" 1664 "};"); 1665 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1666 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1667 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1668 1669 Tokens = annotate("int *p = ^int*(){ //\n" 1670 " return nullptr;\n" 1671 "}();"); 1672 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1673 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1674 } 1675 1676 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1677 auto Tokens = annotate("void f() {\n" 1678 " //\n" 1679 " BOOL a = [b.c n] > 1;\n" 1680 "}"); 1681 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1682 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1683 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1684 } 1685 1686 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1687 auto Tokens = annotate("[]() constexpr {}"); 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("[]() consteval {}"); 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("[]() mutable {}"); 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("[]() static {}"); 1706 ASSERT_EQ(Tokens.size(), 8u) << 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[5], tok::l_brace, TT_LambdaLBrace); 1710 1711 Tokens = annotate("[]() -> auto {}"); 1712 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1713 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1714 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1715 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1716 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1717 1718 Tokens = annotate("[]() -> auto & {}"); 1719 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1720 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1721 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1722 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1723 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1724 1725 Tokens = annotate("[]() -> auto * {}"); 1726 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1727 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1728 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1729 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1730 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1731 1732 Tokens = annotate("[] {}"); 1733 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1734 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1735 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1736 1737 Tokens = annotate("[] noexcept {}"); 1738 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1739 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1740 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1741 1742 Tokens = annotate("[] -> auto {}"); 1743 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1744 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1745 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1746 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1747 1748 Tokens = annotate("[] -> struct S { return {}; }"); 1749 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1750 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1751 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1752 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1753 1754 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1755 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1756 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1757 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1758 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1759 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1760 1761 Tokens = annotate("[] <typename T> () {}"); 1762 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1763 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1764 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1765 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1766 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1767 1768 Tokens = annotate("[] <typename T> {}"); 1769 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1770 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1771 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1772 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1773 1774 Tokens = annotate("[] <typename... T> () {}"); 1775 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1776 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1777 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1778 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1779 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1780 1781 Tokens = annotate("[] <typename... T> {}"); 1782 ASSERT_EQ(Tokens.size(), 10u) << 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_brace, TT_LambdaLBrace); 1786 1787 Tokens = annotate("[] <int... T> () {}"); 1788 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1789 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1790 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1791 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1792 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1793 1794 Tokens = annotate("[] <int... T> {}"); 1795 ASSERT_EQ(Tokens.size(), 10u) << 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_brace, TT_LambdaLBrace); 1799 1800 Tokens = annotate("[] <Foo... T> () {}"); 1801 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1802 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1803 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1804 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1805 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1806 1807 Tokens = annotate("[] <Foo... T> {}"); 1808 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1809 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1810 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1811 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1812 1813 // Lambdas with a requires-clause 1814 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1815 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1816 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1817 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1818 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1819 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1820 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1821 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1822 1823 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1824 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1825 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1826 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1827 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1828 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1829 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1830 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1831 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1832 1833 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1834 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1835 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1836 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1837 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1838 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1839 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1840 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1841 1842 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1843 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1844 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1845 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1846 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1847 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1848 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1849 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1850 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1851 1852 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1853 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1854 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1855 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1856 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1857 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1858 // FIXME: 1859 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1860 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1861 1862 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1863 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1864 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1865 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1866 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1867 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1868 // FIXME: 1869 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1870 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1871 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1872 1873 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1874 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1875 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1876 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1877 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1878 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1879 // FIXME: 1880 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1881 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1882 1883 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1884 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1885 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1886 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1887 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1888 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1889 // FIXME: 1890 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1891 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1892 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1893 1894 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1895 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1896 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1897 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1898 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1899 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1900 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1901 1902 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1903 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1904 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1905 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1906 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1907 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1908 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1909 1910 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1911 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1912 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1913 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1914 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1915 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1916 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1917 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1918 1919 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1920 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1921 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1922 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1923 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1924 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1925 // FIXME: 1926 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1927 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1928 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1929 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1930 1931 Tokens = annotate("[] <typename T = int> (T t) {}"); 1932 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1933 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1934 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1935 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1936 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1937 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1938 1939 Tokens = annotate("[] <int I = 0> (T t) {}"); 1940 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1941 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1942 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1943 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1944 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1945 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1946 1947 Tokens = annotate("[] <bool b = false> (T t) {}"); 1948 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1949 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1950 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1951 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1952 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1953 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1954 1955 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1956 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1957 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1958 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1959 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1960 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1961 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 1962 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1963 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1964 1965 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1966 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1967 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1968 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1969 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1970 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1971 // FIXME: 1972 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 1973 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1974 } 1975 1976 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1977 auto Tokens = annotate("template <typename T>\n" 1978 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1979 "string OldFunction(const string ¶meter) {}"); 1980 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1981 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1982 1983 Tokens = annotate("template <typename T>\n" 1984 "A(T) noexcept;"); 1985 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1986 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1987 1988 Tokens = annotate("FOO(bar)();"); 1989 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1990 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 1991 } 1992 1993 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1994 auto Tokens = annotate("void f [[noreturn]] ();"); 1995 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1996 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1997 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1998 1999 Tokens = annotate("void f [[noreturn]] () {}"); 2000 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2001 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2002 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2003 2004 Tokens = annotate("#define FOO Foo::\n" 2005 "FOO Foo();"); 2006 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2007 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2008 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2009 2010 Tokens = annotate("struct Foo {\n" 2011 " Bar (*func)();\n" 2012 "};"); 2013 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2014 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2015 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2016 2017 Tokens = annotate("void instanceof();"); 2018 ASSERT_EQ(Tokens.size(), 6u); 2019 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2020 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2021 2022 Tokens = annotate("int iso_time(time_t);"); 2023 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2024 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2025 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2026 2027 auto Style = getLLVMStyle(); 2028 Style.TypeNames.push_back("MyType"); 2029 Tokens = annotate("int iso_time(MyType);", Style); 2030 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2031 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2032 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2033 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2034 } 2035 2036 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2037 auto Tokens = annotate("class Foo { public: Foo(); };"); 2038 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2039 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2040 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2041 2042 Tokens = annotate("class Foo { public: ~Foo(); };"); 2043 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2044 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2045 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2046 2047 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2048 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2049 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2050 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2051 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2052 2053 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2054 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2055 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2056 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2057 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2058 2059 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2060 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2061 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2062 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2063 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2064 2065 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2066 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2067 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2068 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2069 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2070 2071 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2072 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2073 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2074 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2075 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2076 2077 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2078 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2079 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2080 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2081 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2082 2083 Tokens = annotate("Foo::Foo() {}"); 2084 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2085 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2086 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2087 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2088 2089 Tokens = annotate("Foo::~Foo() {}"); 2090 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2091 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2092 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2093 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2094 2095 Tokens = annotate("struct Test {\n" 2096 " Test()\n" 2097 " : l([] {\n" 2098 " Short::foo();\n" 2099 " }) {}\n" 2100 "};"); 2101 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2102 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2103 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2104 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2105 } 2106 2107 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2108 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2109 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2110 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2111 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2112 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2113 } 2114 2115 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2116 auto Tokens = annotate("auto f() -> int;"); 2117 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2118 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2119 2120 Tokens = annotate("auto operator->() -> int;"); 2121 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2122 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2123 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2124 2125 Tokens = annotate("auto operator++(int) -> int;"); 2126 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2127 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2128 2129 Tokens = annotate("auto operator=() -> int;"); 2130 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2131 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2132 2133 Tokens = annotate("auto operator=(int) -> int;"); 2134 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2135 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2136 2137 Tokens = annotate("auto foo() -> auto { return Val; }"); 2138 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2139 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2140 2141 Tokens = annotate("struct S { auto bar() const -> int; };"); 2142 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2143 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2144 2145 // Not trailing return arrows 2146 Tokens = annotate("auto a = b->c;"); 2147 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2148 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2149 2150 Tokens = annotate("auto a = (b)->c;"); 2151 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2152 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2153 2154 Tokens = annotate("auto a = b()->c;"); 2155 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2156 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2157 2158 Tokens = annotate("auto a = b->c();"); 2159 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2160 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2161 2162 Tokens = annotate("decltype(auto) a = b()->c;"); 2163 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2164 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2165 2166 Tokens = annotate("void f() { auto a = b->c(); }"); 2167 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2168 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2169 2170 Tokens = annotate("void f() { auto a = b()->c; }"); 2171 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2172 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2173 2174 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2175 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2176 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2177 2178 Tokens = annotate("void f() FOO(foo->bar);"); 2179 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2180 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2181 2182 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2183 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2184 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2185 2186 auto Style = getLLVMStyle(); 2187 Style.StatementAttributeLikeMacros.push_back("emit"); 2188 Tokens = annotate("emit foo()->bar;", Style); 2189 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2190 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2191 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2192 2193 // Mixed 2194 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2195 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2196 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2197 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2198 } 2199 2200 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2201 auto Tokens = annotate("#define Foo(Bar) \\\n" 2202 " { \\\n" 2203 " #Bar \\\n" 2204 " }"); 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(Bar) \\\n" 2210 " { #Bar }"); 2211 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2212 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2213 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2214 2215 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2216 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2217 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2218 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2219 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2220 } 2221 2222 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2223 // '__attribute__' has special handling. 2224 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2225 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2226 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2227 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2228 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2229 2230 // Generic macro has no special handling in this location. 2231 Tokens = annotate("A(X) void Foo(void);"); 2232 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2233 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2234 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2235 2236 // Add a custom AttributeMacro. Test that it has the same behavior. 2237 FormatStyle Style = getLLVMStyle(); 2238 Style.AttributeMacros.push_back("A"); 2239 2240 // An "AttributeMacro" gets annotated like '__attribute__'. 2241 Tokens = annotate("A(X) void Foo(void);", Style); 2242 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2243 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2244 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2245 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2246 } 2247 2248 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2249 // '__attribute__' has special handling. 2250 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2251 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2252 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2253 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2254 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2255 2256 // Generic macro has no special handling in this location. 2257 Tokens = annotate("A(X) @interface Foo"); 2258 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2259 // Note: Don't check token-type as a random token in this position is hard to 2260 // reason about. 2261 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2262 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2263 2264 // Add a custom AttributeMacro. Test that it has the same behavior. 2265 FormatStyle Style = getLLVMStyle(); 2266 Style.AttributeMacros.push_back("A"); 2267 2268 // An "AttributeMacro" gets annotated like '__attribute__'. 2269 Tokens = annotate("A(X) @interface Foo", Style); 2270 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2271 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2272 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2273 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2274 } 2275 2276 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2277 // '__attribute__' has special handling. 2278 auto Tokens = annotate("- (id)init __attribute__((X));"); 2279 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2280 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2281 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2282 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2283 2284 // Generic macro has no special handling in this location. 2285 Tokens = annotate("- (id)init A(X);"); 2286 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2287 // Note: Don't check token-type as a random token in this position is hard to 2288 // reason about. 2289 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2290 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2291 2292 // Add a custom AttributeMacro. Test that it has the same behavior. 2293 FormatStyle Style = getLLVMStyle(); 2294 Style.AttributeMacros.push_back("A"); 2295 2296 // An "AttributeMacro" gets annotated like '__attribute__'. 2297 Tokens = annotate("- (id)init A(X);", Style); 2298 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2299 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2300 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2301 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2302 } 2303 2304 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2305 // '__attribute__' has special handling. 2306 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2307 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2308 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2309 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2310 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2311 2312 // Generic macro has no special handling in this location. 2313 Tokens = annotate("@property(weak) id delegate A(X);"); 2314 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2315 // Note: Don't check token-type as a random token in this position is hard to 2316 // reason about. 2317 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2318 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2319 2320 // Add a custom AttributeMacro. Test that it has the same behavior. 2321 FormatStyle Style = getLLVMStyle(); 2322 Style.AttributeMacros.push_back("A"); 2323 2324 // An "AttributeMacro" gets annotated like '__attribute__'. 2325 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2326 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2327 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2328 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2329 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2330 } 2331 2332 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2333 auto Annotate = [this](StringRef Code) { 2334 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2335 }; 2336 // Test that unary operators get labeled as such and that operators like '++' 2337 // don't get split. 2338 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2339 tok::tilde, tok::amp, tok::pipe, 2340 tok::caret, tok::plusplus, tok::minusminus}; 2341 for (auto Kind : Unary) { 2342 auto Tokens = 2343 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2344 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2345 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2346 } 2347 // Operators formed by joining two operators like '^~'. For some of these 2348 // joined operators, we don't have a separate type, so we only test for their 2349 // precedence. 2350 std::pair<prec::Level, std::string> JoinedBinary[] = { 2351 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2352 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2353 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2354 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2355 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2356 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2357 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2358 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2359 {prec::Equality, "!="}, {prec::Equality, "==="}, 2360 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2361 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2362 {prec::ExclusiveOr, "^~"}, 2363 }; 2364 for (auto Operator : JoinedBinary) { 2365 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2366 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2367 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2368 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2369 } 2370 // '~^' and '^~' can be unary as well as binary operators. 2371 auto Tokens = Annotate("x = ~^x;"); 2372 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2373 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2374 Tokens = Annotate("x = ^~x;"); 2375 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2376 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2377 // The unary operators '~&' and '~|' can only be unary operators. The current 2378 // implementation treats each of them as separate unary '~' and '&' or '|' 2379 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2380 // there is a test that there is no space in between. And even if a new line 2381 // is inserted between the '~' and '|', the semantic meaning is the same as 2382 // the joined operator, so the CanBreakBefore property doesn't need to be 2383 // false for the second operator. 2384 Tokens = Annotate("x = ~&x;"); 2385 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2386 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2387 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2388 Tokens = Annotate("x = ~|x;"); 2389 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2390 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2391 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2392 // Test for block label colons. 2393 Tokens = Annotate("begin : x\n" 2394 "end : x"); 2395 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2396 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2397 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2398 // Test that the dimension colon is annotated correctly. 2399 Tokens = Annotate("var [1 : 0] x;"); 2400 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2401 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2402 Tokens = Annotate("extern function [1 : 0] x;"); 2403 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2404 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2405 Tokens = Annotate("module test\n" 2406 " (input wire [7 : 0] a[7 : 0]);\n" 2407 "endmodule"); 2408 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2409 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2410 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2411 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2412 // Test case labels and ternary operators. 2413 Tokens = Annotate("case (x)\n" 2414 " x:\n" 2415 " x;\n" 2416 "endcase"); 2417 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2418 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2419 Tokens = Annotate("case (x)\n" 2420 " x ? x : x:\n" 2421 " x;\n" 2422 "endcase"); 2423 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2424 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2425 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2426 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2427 // Non-blocking assignments. 2428 Tokens = Annotate("a <= b;"); 2429 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2430 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2431 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2432 Tokens = Annotate("if (a <= b) break;"); 2433 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2434 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2435 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2436 Tokens = Annotate("a <= b <= a;"); 2437 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2438 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2439 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2440 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2441 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2442 2443 // Port lists in module instantiation. 2444 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2445 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2446 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2447 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2448 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2449 "instance_2(port_2);"); 2450 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2451 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2452 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2453 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2454 2455 // Condition parentheses. 2456 Tokens = Annotate("assert (x);"); 2457 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2458 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2459 Tokens = Annotate("assert #0 (x);"); 2460 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2461 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2462 Tokens = Annotate("assert final (x);"); 2463 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2464 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2465 Tokens = Annotate("foreach (x[x]) continue;"); 2466 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2467 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2468 Tokens = Annotate("repeat (x[x]) continue;"); 2469 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2470 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2471 Tokens = Annotate("case (x) endcase;"); 2472 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2473 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2474 2475 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2476 // future, please adapt if those tokens get annotated. This test is only here 2477 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2478 Tokens = Annotate("always @(posedge x, posedge y);"); 2479 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2480 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2481 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2482 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2483 2484 // String literals in concatenation. 2485 Tokens = Annotate("x = {\"\"};"); 2486 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2487 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2488 Tokens = Annotate("x = {\"\", \"\"};"); 2489 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2490 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2491 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2492 Tokens = Annotate("x = '{{\"\"}};"); 2493 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2494 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2495 // Cases where the string should not be annotated that type. Fix the 2496 // `TT_Unknown` if needed in the future. 2497 Tokens = Annotate("x = {\"\" == \"\"};"); 2498 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2499 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2500 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2501 Tokens = Annotate("x = {(\"\")};"); 2502 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2503 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2504 Tokens = Annotate("x = '{\"\"};"); 2505 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2506 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2507 } 2508 2509 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2510 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2511 ASSERT_TRUE(Style.isTableGen()); 2512 2513 TestLexer Lexer(Allocator, Buffers, Style); 2514 AdditionalKeywords Keywords(Lexer.IdentTable); 2515 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2516 2517 // Additional keywords representation test. 2518 auto Tokens = Annotate("def foo : Bar<1>;"); 2519 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2520 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2521 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2522 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2523 2524 // Code, the multiline string token. 2525 Tokens = Annotate("[{ code is multiline string }]"); 2526 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2527 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2528 EXPECT_FALSE(Tokens[0]->IsMultiline); 2529 // Case with multiple lines. 2530 Tokens = Annotate("[{ It can break\n" 2531 " across lines and the line breaks\n" 2532 " are retained in \n" 2533 " the string. }]"); 2534 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2535 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2536 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2537 EXPECT_TRUE(Tokens[0]->IsMultiline); 2538 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2539 2540 // Numeric literals. 2541 Tokens = Annotate("1234"); 2542 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2543 Tokens = Annotate("-1"); 2544 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2545 Tokens = Annotate("+1234"); 2546 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2547 Tokens = Annotate("0b0110"); 2548 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2549 Tokens = Annotate("0x1abC"); 2550 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2551 2552 // Identifier tokens. In TableGen, identifiers can begin with a number. 2553 // In ambiguous cases, the lexer tries to lex it as a number. 2554 // Even if the try fails, it does not fall back to identifier lexing and 2555 // regard as an error. 2556 // The ambiguity is not documented. The result of those tests are based on the 2557 // implementation of llvm::TGLexer::LexToken. 2558 // This is invalid syntax of number, but not an identifier. 2559 Tokens = Annotate("0x1234x"); 2560 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2561 Tokens = Annotate("identifier"); 2562 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2563 // Identifier beginning with a number. 2564 Tokens = Annotate("0x"); 2565 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2566 Tokens = Annotate("2dVector"); 2567 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2568 Tokens = Annotate("01234Vector"); 2569 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2570 2571 // Structured statements. 2572 Tokens = Annotate("class Foo {}"); 2573 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2574 Tokens = Annotate("def Def: Foo {}"); 2575 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2576 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2577 Tokens = Annotate("if cond then {} else {}"); 2578 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2579 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2580 Tokens = Annotate("defset Foo Def2 = {}"); 2581 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2582 2583 // Bang Operators. 2584 Tokens = Annotate("!foreach"); 2585 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2586 Tokens = Annotate("!if"); 2587 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2588 Tokens = Annotate("!cond"); 2589 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2590 2591 auto AnnotateValue = [this, &Style](StringRef Code) { 2592 // Values are annotated only in specific context. 2593 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2594 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2595 }; 2596 // Both of bang/cond operators. 2597 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2598 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2599 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2600 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2601 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2602 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2603 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2604 // DAGArg values with operator identifier 2605 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2607 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2608 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2609 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2610 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2611 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2612 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2613 // List literal 2614 Tokens = AnnotateValue("[1, 2, 3]"); 2615 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2616 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2617 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2618 // Suffixes of values 2619 Tokens = AnnotateValue("valid.field"); 2620 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2621 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2622 // Code 2623 Tokens = AnnotateValue("[{ code is multiline string }]"); 2624 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2625 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2626 2627 // The definition 2628 Tokens = annotate("def Def : Parent<Child> {}", Style); 2629 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2630 // We use inheritance colon and function brace. They are enough. 2631 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2632 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2633 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2634 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2635 2636 // DAGArg breaking options. They use different token types depending on what 2637 // is specified. 2638 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2639 2640 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2641 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2642 // elements to have line break. 2643 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2644 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2645 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2646 EXPECT_TOKEN(Tokens[1], tok::identifier, 2647 TT_TableGenDAGArgOperatorID); // ins 2648 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2649 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2650 2651 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2652 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2653 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2654 EXPECT_TOKEN(Tokens[1], tok::identifier, 2655 TT_TableGenDAGArgOperatorID); // other 2656 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2657 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2658 2659 // For non-identifier operators, breaks after the operator. 2660 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2661 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2662 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2663 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2664 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2665 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2666 2667 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2668 2669 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2670 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2671 // to have line break inside it. 2672 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2673 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2674 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2675 EXPECT_TOKEN(Tokens[1], tok::identifier, 2676 TT_TableGenDAGArgOperatorToBreak); // ins 2677 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2678 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2679 2680 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2681 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2682 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2683 EXPECT_TOKEN(Tokens[1], tok::identifier, 2684 TT_TableGenDAGArgOperatorToBreak); // other 2685 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2686 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2687 2688 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2689 // specified operators. 2690 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2691 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2692 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2693 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2694 EXPECT_TOKEN(Tokens[1], tok::identifier, 2695 TT_TableGenDAGArgOperatorToBreak); // ins 2696 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2697 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2698 2699 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2700 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2701 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2702 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2703 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2704 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2705 2706 // If TableGenBreakingDAGArgOperators is enabled, it uses 2707 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2708 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2709 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2710 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2711 EXPECT_TOKEN(Tokens[1], tok::identifier, 2712 TT_TableGenDAGArgOperatorToBreak); // ins 2713 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2714 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2715 2716 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2717 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2718 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2719 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2720 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2721 } 2722 2723 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2724 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2725 2726 // The TT_Unknown is clearly not binding for the future, please adapt if those 2727 // tokens get annotated. 2728 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2729 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2730 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2731 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2732 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2733 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2734 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2735 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2736 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2737 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2738 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2739 2740 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2741 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2742 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2743 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2744 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2745 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2746 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2747 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2748 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2749 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2750 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2751 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2752 2753 Tokens = annotate("class Class {\n" 2754 " Class() : BaseClass() {\n" 2755 "#if 0\n" 2756 " // comment\n" 2757 "#endif\n" 2758 " }\n" 2759 " Class f();\n" 2760 "}"); 2761 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2762 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2763 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2764 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2765 } 2766 2767 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2768 auto Tokens = annotate("if (x) {}"); 2769 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2770 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2771 Tokens = annotate("if constexpr (x) {}"); 2772 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2773 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2774 Tokens = annotate("if CONSTEXPR (x) {}"); 2775 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2776 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2777 Tokens = annotate("if (x) {} else if (x) {}"); 2778 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2779 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2780 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2781 } 2782 2783 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2784 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2785 2786 auto Tokens = annotate("int? a;", Style); 2787 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2788 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2789 2790 Tokens = annotate("int? a = 1;", Style); 2791 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2792 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2793 2794 Tokens = annotate("int?)", Style); 2795 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2796 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2797 2798 Tokens = annotate("int?>", Style); 2799 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2800 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2801 2802 Tokens = annotate("cond? id : id2", Style); 2803 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2804 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2805 2806 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2807 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2808 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2809 } 2810 2811 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2812 auto Tokens = annotate("{ x: break; }"); 2813 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2814 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2815 2816 Tokens = annotate("{ case x: break; }"); 2817 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2818 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2819 2820 Tokens = annotate("{ x: { break; } }"); 2821 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2822 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2823 2824 Tokens = annotate("{ case x: { break; } }"); 2825 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2826 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2827 2828 Tokens = annotate("#define FOO label:"); 2829 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2830 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2831 2832 Tokens = annotate("#define FOO \\\n" 2833 "label: \\\n" 2834 " break;"); 2835 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2836 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2837 } 2838 2839 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2840 // The closing braces are not annotated. It doesn't seem to cause a problem. 2841 // So we only test for the opening braces. 2842 auto Tokens = annotate("{\n" 2843 " {\n" 2844 " { int a = 0; }\n" 2845 " }\n" 2846 " {}\n" 2847 "}"); 2848 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2849 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2850 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2851 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2852 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2853 } 2854 2855 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2856 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2857 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2858 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2859 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2860 2861 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2862 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2863 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2864 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2865 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2866 2867 Tokens = annotate("SomeStruct {\n" 2868 "#ifdef FOO\n" 2869 " .a = 1,\n" 2870 "#endif\n" 2871 " .b = 2\n" 2872 "};"); 2873 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2874 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2875 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2876 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2877 2878 Tokens = annotate("SomeStruct {\n" 2879 "#if defined FOO\n" 2880 " .a = 1,\n" 2881 "#endif\n" 2882 " .b = 2\n" 2883 "};"); 2884 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2885 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2886 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2887 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2888 2889 Tokens = annotate("Foo foo[] = {[0]{}};"); 2890 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2891 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2892 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2893 } 2894 2895 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2896 auto Annotate = [this](StringRef Code) { 2897 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2898 }; 2899 2900 // Dictionary. 2901 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2902 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2903 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2904 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2905 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2906 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2907 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2908 // Change when we need to annotate these. 2909 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2910 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2911 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2912 } 2913 2914 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2915 auto Tokens = annotate("bool foo __attribute__((unused));"); 2916 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2917 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2918 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2919 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2920 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2921 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2922 2923 Tokens = annotate("bool foo __declspec(dllimport);"); 2924 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2925 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2926 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2927 2928 Tokens = annotate("bool __attribute__((unused)) foo;"); 2929 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2930 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2931 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2932 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2933 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2934 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2935 2936 Tokens = annotate("void __attribute__((x)) Foo();"); 2937 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2938 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2939 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2940 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2941 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2942 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2943 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2944 2945 FormatStyle Style = getLLVMStyle(); 2946 Style.AttributeMacros.push_back("FOO"); 2947 Tokens = annotate("bool foo FOO(unused);", Style); 2948 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2949 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2950 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2951 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2952 } 2953 2954 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2955 auto Tokens = annotate("while (true) {}"); 2956 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2957 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2958 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2959 2960 Tokens = annotate("for (;;) {}"); 2961 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2962 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2963 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2964 2965 Tokens = annotate("do {} while (true);"); 2966 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2967 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2968 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2969 2970 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2971 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2972 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2973 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2974 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2975 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2976 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2977 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2978 2979 Tokens = annotate("switch (foo) {}"); 2980 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2981 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2982 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2983 } 2984 2985 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2986 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2987 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2988 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2989 2990 Tokens = annotate("do ++i; while ( i > 5 );"); 2991 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2992 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2993 } 2994 2995 TEST_F(TokenAnnotatorTest, StartOfName) { 2996 auto Tokens = annotate("#pragma clang diagnostic push"); 2997 ASSERT_EQ(Tokens.size(), 6u) << 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("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3003 ASSERT_EQ(Tokens.size(), 7u) << 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_Unknown); 3007 3008 Tokens = annotate("#define FOO Foo foo"); 3009 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3010 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3011 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3012 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3013 3014 Tokens = annotate("@interface NSCoder (TestCoder)"); 3015 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3016 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3017 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3018 3019 auto Style = getLLVMStyle(); 3020 Style.StatementAttributeLikeMacros.push_back("emit"); 3021 Tokens = annotate("emit foo = 0;", Style); 3022 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3023 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3024 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3025 } 3026 3027 TEST_F(TokenAnnotatorTest, BraceKind) { 3028 auto Tokens = annotate("void f() {};"); 3029 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3030 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3031 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3032 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3033 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3034 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3035 3036 Tokens = annotate("class Foo<int> f() {}"); 3037 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3038 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3039 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3040 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3041 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3042 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3043 3044 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3045 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3046 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3047 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3048 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3049 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3050 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3051 3052 Tokens = annotate("void f() override {};"); 3053 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3054 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3055 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3056 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3057 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3058 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3059 3060 Tokens = annotate("void f() noexcept(false) {};"); 3061 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3062 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3063 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3064 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3065 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3066 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3067 3068 Tokens = annotate("auto f() -> void {};"); 3069 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3070 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3071 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3072 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3073 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3074 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3075 3076 Tokens = annotate("void f() { /**/ };"); 3077 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3078 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3079 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3080 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3081 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3082 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3083 3084 Tokens = annotate("void f() { //\n" 3085 "};"); 3086 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3087 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3088 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3089 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3090 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3091 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3092 3093 Tokens = annotate("void f() {\n" 3094 " //\n" 3095 "};"); 3096 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3097 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3098 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3099 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3100 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3101 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3102 3103 Tokens = annotate("struct Foo {\n" 3104 " Foo() {};\n" 3105 " ~Foo() {};\n" 3106 "};"); 3107 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3108 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3109 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3110 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3111 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3112 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3113 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3114 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3115 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3116 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3117 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3118 3119 Tokens = annotate("{\n" 3120 " char *a[] = {\n" 3121 " /* abc */ \"abc\",\n" 3122 "#if FOO\n" 3123 " /* xyz */ \"xyz\",\n" 3124 "#endif\n" 3125 " /* last */ \"last\"};\n" 3126 "}"); 3127 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3128 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3129 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3130 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3131 3132 Tokens = 3133 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3134 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3135 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3136 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3137 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3138 3139 Tokens = annotate("struct {};"); 3140 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3141 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3142 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3143 3144 Tokens = annotate("struct : Base {};"); 3145 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3146 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3147 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3148 3149 Tokens = annotate("struct Foo {};"); 3150 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3151 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3152 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3153 3154 Tokens = annotate("struct ::Foo {};"); 3155 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3156 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3157 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3158 3159 Tokens = annotate("struct NS::Foo {};"); 3160 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3161 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3162 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3163 3164 Tokens = annotate("struct Foo<int> {};"); 3165 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3166 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3167 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3168 3169 Tokens = annotate("struct Foo<int>::Bar {};"); 3170 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3171 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3172 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3173 3174 Tokens = annotate("struct Foo<int> : Base {};"); 3175 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3176 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3177 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3178 3179 Tokens = annotate("struct Foo final {};"); 3180 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3181 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3182 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3183 3184 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3185 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3186 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3187 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3188 3189 Tokens = annotate("struct Foo x{};"); 3190 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3191 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3192 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3193 3194 Tokens = annotate("struct ::Foo x{};"); 3195 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3196 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3197 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3198 3199 Tokens = annotate("struct NS::Foo x{};"); 3200 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3201 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3202 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3203 3204 Tokens = annotate("struct Foo<int> x{};"); 3205 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3206 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3207 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3208 3209 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3210 "#else\n" 3211 "#endif\n" 3212 "class RenderingServer : Object {\n" 3213 "#ifndef DISABLE_DEPRECATED\n" 3214 " enum Features {\n" 3215 " FEATURE_SHADERS,\n" 3216 " FEATURE_MULTITHREADED,\n" 3217 " };\n" 3218 "#endif\n" 3219 "};"); 3220 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3221 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3222 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3223 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3224 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3225 3226 Tokens = annotate("{\n" 3227 "#define M(x) \\\n" 3228 " return {#x};\n" 3229 "}"); 3230 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3231 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3232 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3233 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3234 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3235 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3236 } 3237 3238 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3239 auto Tokens = annotate("auto foo() -> enum En {}"); 3240 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3241 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3242 } 3243 3244 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3245 auto Tokens = annotate("{\n" 3246 " {\n" 3247 " foo();\n" 3248 " }\n" 3249 "}"); 3250 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3251 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3252 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3253 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3254 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3255 3256 Tokens = annotate("void bar() {\n" 3257 " {\n" 3258 " foo();\n" 3259 " }\n" 3260 "}"); 3261 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3262 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3263 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3264 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3265 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3266 } 3267 3268 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3269 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3270 auto Tokens = annotate("i = switch (day) {\n" 3271 " case THURSDAY, SATURDAY -> 8;\n" 3272 " case WEDNESDAY -> 9;\n" 3273 " default -> 1;\n" 3274 "};", 3275 Style); 3276 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3277 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3278 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3279 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3280 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3281 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3282 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3283 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3284 } 3285 3286 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3287 auto Tokens = annotate("a = b and c;"); 3288 ASSERT_EQ(Tokens.size(), 7u); 3289 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3290 3291 Tokens = annotate("a = b and_eq c;"); 3292 ASSERT_EQ(Tokens.size(), 7u); 3293 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3294 3295 Tokens = annotate("a = b bitand c;"); 3296 ASSERT_EQ(Tokens.size(), 7u); 3297 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3298 3299 Tokens = annotate("a = b bitor c;"); 3300 ASSERT_EQ(Tokens.size(), 7u); 3301 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3302 3303 Tokens = annotate("a = b compl c;"); 3304 ASSERT_EQ(Tokens.size(), 7u); 3305 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3306 3307 Tokens = annotate("a = b not c;"); 3308 ASSERT_EQ(Tokens.size(), 7u); 3309 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3310 3311 Tokens = annotate("a = b not_eq c;"); 3312 ASSERT_EQ(Tokens.size(), 7u); 3313 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3314 3315 Tokens = annotate("a = b or c;"); 3316 ASSERT_EQ(Tokens.size(), 7u); 3317 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3318 3319 Tokens = annotate("a = b or_eq c;"); 3320 ASSERT_EQ(Tokens.size(), 7u); 3321 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3322 3323 Tokens = annotate("a = b xor c;"); 3324 ASSERT_EQ(Tokens.size(), 7u); 3325 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3326 3327 Tokens = annotate("a = b xor_eq c;"); 3328 ASSERT_EQ(Tokens.size(), 7u); 3329 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3330 3331 Tokens = annotate("xor = foo;"); 3332 ASSERT_EQ(Tokens.size(), 5u); 3333 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3334 3335 Tokens = annotate("int xor = foo;"); 3336 ASSERT_EQ(Tokens.size(), 6u); 3337 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3338 } 3339 3340 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3341 auto Tokens = 3342 annotate("Foo::Foo(int x, int y) try\n" 3343 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3344 "} catch (...) {\n" 3345 "}"); 3346 ASSERT_EQ(Tokens.size(), 45u); 3347 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3348 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3349 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3350 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3351 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_TrailingReturnArrow); 3352 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3353 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3354 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3355 } 3356 3357 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3358 auto Style = getLLVMStyle(); 3359 Style.TypenameMacros.push_back("STRUCT"); 3360 3361 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3362 ASSERT_EQ(Tokens.size(), 13u); 3363 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3364 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3365 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3366 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3367 } 3368 3369 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3370 auto Style = getGNUStyle(); 3371 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3372 3373 auto Tokens = annotate("return 1 <=> 2;", Style); 3374 ASSERT_EQ(Tokens.size(), 6u); 3375 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3376 } 3377 3378 } // namespace 3379 } // namespace format 3380 } // namespace clang 3381