1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public ::testing::Test { 28 protected: 29 TokenList annotate(llvm::StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 46 do { \ 47 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 48 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 49 } while (false) 50 51 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 52 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 53 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 54 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 55 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 56 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 57 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 59 60 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 61 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 62 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 63 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 64 65 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 66 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 67 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 68 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 69 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 70 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 72 73 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 74 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 75 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 76 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 77 78 Tokens = annotate("void f() {\n" 79 " while (p < a && *p == 'a')\n" 80 " p++;\n" 81 "}"); 82 EXPECT_EQ(Tokens.size(), 21u) << Tokens; 83 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 84 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 85 86 Tokens = annotate("case *x:"); 87 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 88 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 89 Tokens = annotate("case &x:"); 90 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 91 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 92 93 Tokens = annotate("bool b = 3 == int{3} && true;"); 94 EXPECT_EQ(Tokens.size(), 13u) << Tokens; 95 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 96 97 Tokens = annotate("struct {\n" 98 "} *ptr;"); 99 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 100 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 101 Tokens = annotate("union {\n" 102 "} *ptr;"); 103 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 104 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 105 Tokens = annotate("class {\n" 106 "} *ptr;"); 107 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 108 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 109 110 Tokens = annotate("struct {\n" 111 "} &&ptr = {};"); 112 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 113 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 114 Tokens = annotate("union {\n" 115 "} &&ptr = {};"); 116 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 117 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 118 Tokens = annotate("class {\n" 119 "} &&ptr = {};"); 120 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 121 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 122 Tokens = annotate("int i = int{42} * 2;"); 123 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 124 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 125 126 Tokens = annotate("delete[] *ptr;"); 127 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 128 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 129 Tokens = annotate("delete[] **ptr;"); 130 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 131 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 132 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 133 Tokens = annotate("delete[] *(ptr);"); 134 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 135 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 136 137 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 138 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 139 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 140 // FIXME: The star of a function pointer probably makes more sense as 141 // TT_PointerOrReference. 142 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 143 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 144 145 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 146 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 147 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 148 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 149 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 150 151 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 152 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 153 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 154 155 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 156 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 157 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 158 159 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 160 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 161 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 162 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 163 164 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 165 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 166 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 167 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 168 169 Tokens = annotate("Type1 &val1 = val2;"); 170 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 171 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 172 173 Tokens = annotate("Type1 *val1 = &val2;"); 174 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 175 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 176 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 177 178 Tokens = annotate("val1 & val2;"); 179 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 180 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 181 182 Tokens = annotate("val1 & val2.member;"); 183 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 184 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 185 186 Tokens = annotate("val1 & val2.*member;"); 187 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 188 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 189 190 Tokens = annotate("val1.*member & val2;"); 191 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 192 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 193 194 Tokens = annotate("val1 & val2->*member;"); 195 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 196 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 197 198 Tokens = annotate("val1->member & val2;"); 199 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 200 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 201 202 Tokens = annotate("val1 & val2 & val3;"); 203 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 204 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 205 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 206 207 Tokens = annotate("val1 & val2 // comment\n" 208 " & val3;"); 209 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 210 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 211 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 212 213 Tokens = 214 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 215 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 216 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 217 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 218 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 220 221 Tokens = annotate("class c {\n" 222 " void func(type &a) { a & member; }\n" 223 " anotherType &member;\n" 224 "}"); 225 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 226 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 227 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 228 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 229 230 Tokens = annotate("struct S {\n" 231 " auto Mem = C & D;\n" 232 "}"); 233 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 234 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 235 236 Tokens = 237 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 238 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 239 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 240 241 Tokens = annotate("template <typename T> struct S {\n" 242 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 243 "};"); 244 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 245 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 246 247 Tokens = annotate("template <bool B = C && D> struct S {};"); 248 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 249 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 250 251 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 252 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 253 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 254 255 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 256 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 257 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 258 259 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 260 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 261 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 262 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 263 264 Tokens = annotate("Foo<A && B> a = {};"); 265 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 266 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 267 268 Tokens = annotate("Foo<A &&> a = {};"); 269 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 270 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 271 272 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 273 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 274 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 275 276 Tokens = 277 annotate("auto foo() noexcept(noexcept(bar()) && " 278 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 279 EXPECT_EQ(Tokens.size(), 38u) << Tokens; 280 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 281 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 282 283 Tokens = annotate("foo = *i < *j && *j > *k;"); 284 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 285 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 286 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 287 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 288 289 FormatStyle Style = getLLVMStyle(); 290 Style.TypeNames.push_back("MYI"); 291 Tokens = annotate("if (MYI *p{nullptr})", Style); 292 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 293 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 294 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 295 296 Style.TypeNames.push_back("Class"); 297 Tokens = annotate("if (Class *obj {getObj()})", Style); 298 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 299 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 300 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 301 302 Tokens = annotate("class Foo {\n" 303 " void operator<() {}\n" 304 " Foo &f;\n" 305 "};"); 306 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 307 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 308 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 309 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 310 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 311 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 312 } 313 314 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 315 auto Tokens = annotate("x - 0"); 316 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 317 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 318 Tokens = annotate("0 + 0"); 319 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 320 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 321 Tokens = annotate("x + +0"); 322 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 323 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 324 Tokens = annotate("x ? -0 : +0"); 325 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 326 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 327 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 328 Tokens = annotate("(-0)"); 329 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 330 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 331 Tokens = annotate("0, -0"); 332 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 333 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 334 Tokens = annotate("for (; -1;) {\n}"); 335 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 336 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 337 Tokens = annotate("x = -1;"); 338 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 339 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 340 Tokens = annotate("x[-1]"); 341 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 342 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 343 Tokens = annotate("x = {-1};"); 344 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 345 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 346 Tokens = annotate("case -x:"); 347 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 348 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 349 Tokens = annotate("co_await -x;"); 350 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 351 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 352 Tokens = annotate("co_return -x;"); 353 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 354 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 355 Tokens = annotate("co_yield -x;"); 356 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 357 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 358 Tokens = annotate("delete -x;"); 359 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 360 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 361 Tokens = annotate("return -x;"); 362 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 363 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 364 Tokens = annotate("throw -x;"); 365 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 366 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 367 Tokens = annotate("sizeof -x"); 368 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 369 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 370 Tokens = annotate("co_await +x;"); 371 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 372 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 373 Tokens = annotate("co_return +x;"); 374 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 375 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 376 Tokens = annotate("co_yield +x;"); 377 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 378 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 379 Tokens = annotate("delete +x;"); 380 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 381 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 382 Tokens = annotate("return +x;"); 383 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 384 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 385 Tokens = annotate("throw +x;"); 386 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 387 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 388 Tokens = annotate("sizeof +x"); 389 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 390 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 391 Tokens = annotate("(int)-x"); 392 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 393 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 394 Tokens = annotate("(-x)"); 395 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 397 Tokens = annotate("!+x"); 398 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 399 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 400 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 401 } 402 403 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 404 auto Tokens = annotate("class C {};"); 405 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 406 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 407 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 408 409 Tokens = annotate("const class C {} c;"); 410 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 411 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 412 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 413 414 Tokens = annotate("const class {} c;"); 415 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 416 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 417 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 418 419 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 420 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 421 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 422 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 423 } 424 425 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 426 auto Tokens = annotate("struct S {};"); 427 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 428 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 429 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 430 431 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 432 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 433 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 434 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 435 436 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 437 EXPECT_EQ(Tokens.size(), 19u) << Tokens; 438 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 439 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 440 441 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 442 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 443 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 444 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 445 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 446 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 447 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 448 449 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 450 EXPECT_EQ(Tokens.size(), 18u) << Tokens; 451 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 452 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 453 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 454 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 455 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 456 457 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 458 " void f(T const (&a)[n]);\n" 459 "};"); 460 EXPECT_EQ(Tokens.size(), 35u) << Tokens; 461 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 462 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 463 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 464 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 465 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 466 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 467 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 468 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 469 } 470 471 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 472 auto Tokens = annotate("union U {};"); 473 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 474 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 475 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 476 477 Tokens = annotate("union U { void f() { return; } };"); 478 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 479 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 480 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 481 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 482 } 483 484 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 485 auto Tokens = annotate("enum E {};"); 486 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 487 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 488 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 489 } 490 491 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 492 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 493 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 494 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 495 496 Tokens = annotate("template <typename T> void F(T) && = delete;"); 497 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 498 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 499 } 500 501 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 502 auto Tokens = 503 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 504 EXPECT_EQ(Tokens.size(), 15u) << Tokens; 505 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 506 } 507 508 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 509 auto Tokens = 510 annotate("template <typename T> " 511 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 512 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 513 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 514 } 515 516 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 517 auto Tokens = 518 annotate("#define FOO(typeName) \\\n" 519 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 520 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 521 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 522 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 523 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 524 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 525 } 526 527 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 528 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 529 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 530 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 531 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 532 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 533 } 534 535 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 536 auto Tokens = annotate("return a < b && c > d;"); 537 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 538 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 539 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 540 541 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 542 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 543 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 544 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 545 546 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 547 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 548 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 549 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 550 } 551 552 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 553 FormatStyle Style = getLLVMStyle(); 554 Style.WhitespaceSensitiveMacros.push_back("FOO"); 555 556 auto Tokens = annotate("FOO(1+2 )", Style); 557 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 558 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 559 560 Tokens = annotate("FOO(a:b:c)", Style); 561 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 562 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 563 } 564 565 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 566 auto Tokens = annotate("delete (void *)p;"); 567 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 568 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 569 570 Tokens = annotate("delete[] (void *)p;"); 571 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 572 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 573 574 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 575 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 576 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 577 578 Tokens = annotate("delete[/*comment*/] (void *)p;"); 579 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 580 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 581 582 Tokens = annotate("delete/*comment*/[] (void *)p;"); 583 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 584 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 585 } 586 587 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 588 auto Tokens = annotate("(void)p;"); 589 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 590 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 591 592 Tokens = annotate("auto x = (Foo)p;"); 593 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 594 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 595 596 Tokens = annotate("(std::vector<int>)p;"); 597 EXPECT_EQ(Tokens.size(), 11u) << Tokens; 598 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 599 600 Tokens = annotate("return (Foo)p;"); 601 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 602 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 603 604 Tokens = annotate("throw (Foo)p;"); 605 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 606 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 607 608 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 609 EXPECT_EQ(Tokens.size(), 21u) << Tokens; 610 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 611 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 612 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 613 614 Tokens = annotate("return (Foo) & 10;"); 615 EXPECT_EQ(Tokens.size(), 8u) << Tokens; 616 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 617 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 618 } 619 620 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 621 auto Tokens = annotate("void f() throw(int);"); 622 EXPECT_EQ(Tokens.size(), 10u) << Tokens; 623 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 624 } 625 626 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 627 auto Tokens = annotate("void f() &;"); 628 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 629 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 630 631 Tokens = annotate("void operator=(T) &&;"); 632 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 633 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 634 635 Tokens = annotate("template <typename T> void f() &;"); 636 EXPECT_EQ(Tokens.size(), 12u) << Tokens; 637 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 638 639 Tokens = annotate("template <typename T> void operator=(T) &;"); 640 EXPECT_EQ(Tokens.size(), 14u) << Tokens; 641 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 642 } 643 644 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 645 auto Tokens = annotate("x.operator+()"); 646 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 647 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 648 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 649 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 650 Tokens = annotate("x.operator=()"); 651 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 652 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 653 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 654 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 655 Tokens = annotate("x.operator+=()"); 656 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 657 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 658 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 659 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 660 Tokens = annotate("x.operator,()"); 661 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 662 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 663 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 664 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 665 Tokens = annotate("x.operator()()"); 666 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 667 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 668 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 669 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 670 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 671 Tokens = annotate("x.operator[]()"); 672 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 673 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 674 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 675 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 676 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 677 Tokens = annotate("x.operator\"\"_a()"); 678 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 679 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 680 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 681 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 682 Tokens = annotate("x.operator\"\" _a()"); 683 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 684 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 685 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 686 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 687 Tokens = annotate("x.operator\"\"if()"); 688 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 689 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 690 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 691 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 692 Tokens = annotate("x.operator\"\"s()"); 693 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 694 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 695 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 696 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 697 Tokens = annotate("x.operator\"\" s()"); 698 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 699 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 700 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 701 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 702 703 Tokens = annotate("int operator+(int);"); 704 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 705 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 706 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 707 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 708 Tokens = annotate("auto operator=(T&) {}"); 709 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 710 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 711 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 712 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 713 Tokens = annotate("auto operator()() {}"); 714 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 715 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 716 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 717 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 718 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 719 720 Tokens = annotate("class Foo {\n" 721 " int operator+(a* b);\n" 722 "}"); 723 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 724 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 725 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 726 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 727 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 728 729 Tokens = annotate("class Foo {\n" 730 " int c = operator+(a * b);\n" 731 "}"); 732 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 733 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 734 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 735 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 736 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 737 738 Tokens = annotate("void foo() {\n" 739 " operator+(a * b);\n" 740 "}"); 741 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 742 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 743 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 744 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 745 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 746 747 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 748 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 749 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 750 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 751 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 752 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 753 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 754 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 755 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 756 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 757 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 758 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 759 760 Tokens = annotate("class Foo {\n" 761 " void foo() {\n" 762 " operator+(a * b);\n" 763 " }\n" 764 "}"); 765 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 766 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 767 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 768 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 769 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 770 771 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 772 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 773 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 774 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 775 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 776 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 777 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 778 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 779 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 780 781 Tokens = annotate("decltype(auto) operator()(T &x);"); 782 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 783 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 784 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 785 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 786 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 787 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 788 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 789 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 790 } 791 792 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 793 struct { 794 const char *Text; 795 tok::TokenKind Kind; 796 } Operators[] = {{"+", tok::plus}, 797 {"-", tok::minus}, 798 // FIXME: 799 // {"*", tok::star}, 800 {"/", tok::slash}, 801 {"%", tok::percent}, 802 {"^", tok::caret}, 803 // FIXME: 804 // {"&", tok::amp}, 805 {"|", tok::pipe}, 806 {"~", tok::tilde}, 807 {"!", tok::exclaim}, 808 {"=", tok::equal}, 809 // FIXME: 810 // {"<", tok::less}, 811 {">", tok::greater}, 812 {"+=", tok::plusequal}, 813 {"-=", tok::minusequal}, 814 {"*=", tok::starequal}, 815 {"/=", tok::slashequal}, 816 {"%=", tok::percentequal}, 817 {"^=", tok::caretequal}, 818 {"&=", tok::ampequal}, 819 {"|=", tok::pipeequal}, 820 {"<<", tok::lessless}, 821 {">>", tok::greatergreater}, 822 {">>=", tok::greatergreaterequal}, 823 {"<<=", tok::lesslessequal}, 824 {"==", tok::equalequal}, 825 {"!=", tok::exclaimequal}, 826 {"<=", tok::lessequal}, 827 {">=", tok::greaterequal}, 828 {"<=>", tok::spaceship}, 829 {"&&", tok::ampamp}, 830 {"||", tok::pipepipe}, 831 {"++", tok::plusplus}, 832 {"--", tok::minusminus}, 833 {",", tok::comma}, 834 {"->*", tok::arrowstar}, 835 {"->", tok::arrow}}; 836 837 for (const auto &Operator : Operators) { 838 std::string Input("C<&operator"); 839 Input += Operator.Text; 840 Input += " > a;"; 841 auto Tokens = annotate(std::string(Input)); 842 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 843 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 844 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 845 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 846 } 847 848 auto Tokens = annotate("C<&operator< <X>> lt;"); 849 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 850 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 851 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 852 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 853 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 854 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 855 } 856 857 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 858 auto Tokens = annotate("template <typename T>\n" 859 "concept C = (Foo && Bar) && (Bar && Baz);"); 860 861 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 862 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 863 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 864 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 865 866 Tokens = annotate("template <typename T>\n" 867 "concept C = Foo && !Bar;"); 868 869 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 870 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 871 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 872 873 Tokens = annotate("template <typename T>\n" 874 "concept C = requires(T t) {\n" 875 " { t.foo() };\n" 876 "} && Bar<T> && Baz<T>;"); 877 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 878 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 879 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 880 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 881 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 882 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 883 884 Tokens = annotate("template<typename T>\n" 885 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 886 "struct Foo;"); 887 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 888 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 889 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 890 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 891 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 892 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 893 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 894 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 895 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 896 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 897 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 898 899 Tokens = 900 annotate("template<typename T>\n" 901 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 902 "struct Foo;"); 903 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 904 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 905 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 906 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 907 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 908 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 909 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 910 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 911 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 912 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 913 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 914 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 915 916 Tokens = annotate("template <typename T>\n" 917 "void foo(T) noexcept requires Bar<T>;"); 918 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 919 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 920 921 Tokens = annotate("template <typename T>\n" 922 "requires Bar<T> || Baz<T>\n" 923 "auto foo(T) -> int;"); 924 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 925 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 926 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 927 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 928 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 929 930 Tokens = annotate("template <typename T>\n" 931 "requires Bar<T>\n" 932 "bool foo(T) { return false; }"); 933 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 934 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 935 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 936 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 937 938 Tokens = annotate("template <typename T>\n" 939 "requires Bar<T>\n" 940 "decltype(auto) foo(T) { return false; }"); 941 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 942 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 943 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 944 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 945 946 Tokens = annotate("template <typename T>\n" 947 "struct S {\n" 948 " void foo() const requires Bar<T>;\n" 949 " void bar() const & requires Baz<T>;\n" 950 " void bar() && requires Baz2<T>;\n" 951 " void baz() const & noexcept requires Baz<T>;\n" 952 " void baz() && noexcept requires Baz2<T>;\n" 953 "};\n" 954 "\n" 955 "void S::bar() const & requires Baz<T> { }"); 956 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 957 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 958 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 959 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 960 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 961 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 962 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 963 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 964 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 965 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 966 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 967 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 968 969 Tokens = annotate("void Class::member() && requires(Constant) {}"); 970 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 971 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 972 973 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 974 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 975 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 976 977 Tokens = 978 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 979 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 980 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 981 982 Tokens = annotate("void Class::member() && requires(typename " 983 "Namespace::Outer<T>::Inner::Constant) {}"); 984 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 985 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 986 987 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 988 " template<class T>\n" 989 " requires requires { number_zero_v<T>; }\n" 990 " [[nodiscard]] constexpr operator T() const { " 991 "return number_zero_v<T>; }\n" 992 "};"); 993 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 994 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 995 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 996 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 997 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 998 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 999 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1000 1001 Tokens = 1002 annotate("template <class A, class B> concept C =" 1003 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1004 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1005 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1006 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1007 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1008 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1009 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1010 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1011 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1012 1013 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1014 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1015 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1016 1017 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1018 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1019 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1020 1021 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1022 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1023 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1024 1025 Tokens = 1026 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1027 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1028 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1029 1030 Tokens = 1031 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1032 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1033 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1034 1035 Tokens = 1036 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1037 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1038 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1039 1040 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1041 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1042 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1043 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1044 1045 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1046 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1047 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1048 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1049 1050 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1051 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1052 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1053 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1054 1055 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1056 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1057 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1058 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1059 1060 Tokens = annotate("void f() & requires(true) {}"); 1061 EXPECT_EQ(Tokens.size(), 12u) << Tokens; 1062 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1063 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1064 1065 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1066 EXPECT_EQ(Tokens.size(), 17u) << Tokens; 1067 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1068 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1069 } 1070 1071 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1072 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1073 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1074 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1075 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1076 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1077 1078 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1079 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1080 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1081 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1082 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1083 1084 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1085 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1086 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1087 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1088 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1089 1090 Tokens = annotate("foo(requires(const T t) {});"); 1091 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1092 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1093 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1094 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1095 1096 Tokens = annotate("foo(requires(const int t) {});"); 1097 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1098 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1099 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1100 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1101 1102 Tokens = annotate("foo(requires(const T t) {});"); 1103 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1104 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1105 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1106 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1107 1108 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1109 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1110 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1111 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1112 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1113 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1114 1115 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1116 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1117 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1118 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1119 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1120 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1121 1122 Tokens = annotate("foo(requires(T& t) {});"); 1123 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1124 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1125 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1126 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1127 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1128 1129 Tokens = annotate("foo(requires(T&& t) {});"); 1130 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1131 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1132 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1133 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1134 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1135 1136 Tokens = annotate("bool foo = requires(T& t) {};"); 1137 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1138 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1139 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1140 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1141 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1142 1143 Tokens = annotate("bool foo = requires(T&& t) {};"); 1144 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1145 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1146 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1147 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1148 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1149 1150 Tokens = 1151 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1152 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1153 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1154 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1155 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1156 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1157 1158 Tokens = annotate("template <typename T>\n" 1159 "concept C = requires(T T) {\n" 1160 " requires Bar<T> && Foo<T>;\n" 1161 "};"); 1162 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1163 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1164 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1165 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1166 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1167 TT_RequiresClauseInARequiresExpression); 1168 1169 Tokens = annotate("template <typename T>\n" 1170 "concept C = requires(T T) {\n" 1171 " { t.func() } -> std::same_as<int>;" 1172 " requires Bar<T> && Foo<T>;\n" 1173 "};"); 1174 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1175 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1176 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1177 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1178 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1179 TT_RequiresClauseInARequiresExpression); 1180 1181 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1182 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1183 "requires true; };"); 1184 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1185 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1186 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1187 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1188 1189 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1190 " { c.foo(); }\n" 1191 "};"); 1192 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1193 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1194 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1195 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1196 } 1197 1198 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1199 // Everything after #pragma region should be ImplicitStringLiteral 1200 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1201 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1202 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1203 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1204 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1205 1206 // Make sure it's annotated correctly inside a function as well 1207 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1208 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1209 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1210 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1211 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1212 } 1213 1214 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1215 const char *BaseCode = nullptr; 1216 const char *ConstrainedCode = nullptr; 1217 auto BaseTokenCount = 0u; 1218 auto RequiresTokenCount = 0u; 1219 auto PrefixTokenCount = 0u; 1220 1221 auto TestRequires = [&](int Line) { 1222 const auto BaseTokens = annotate(BaseCode); 1223 const auto ConstrainedTokens = annotate(ConstrainedCode); 1224 1225 #define LINE " (Line " << Line << ')' 1226 1227 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1228 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1229 << LINE; 1230 1231 for (auto I = 0u; I < BaseTokenCount; ++I) { 1232 EXPECT_EQ( 1233 *BaseTokens[I], 1234 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1235 << I << LINE; 1236 } 1237 1238 #undef LINE 1239 }; 1240 1241 BaseCode = "template<typename T>\n" 1242 "T Pi = 3.14;"; 1243 ConstrainedCode = "template<typename T>\n" 1244 " requires Foo<T>\n" 1245 "T Pi = 3.14;"; 1246 BaseTokenCount = 11; 1247 RequiresTokenCount = 5; 1248 PrefixTokenCount = 5; 1249 TestRequires(__LINE__); 1250 1251 BaseCode = "template<typename T>\n" 1252 "struct Bar;"; 1253 ConstrainedCode = "template<typename T>\n" 1254 " requires Foo<T>\n" 1255 "struct Bar;"; 1256 BaseTokenCount = 9; 1257 TestRequires(__LINE__); 1258 1259 BaseCode = "template<typename T>\n" 1260 "struct Bar {\n" 1261 " T foo();\n" 1262 " T bar();\n" 1263 "};"; 1264 ConstrainedCode = "template<typename T>\n" 1265 " requires Foo<T>\n" 1266 "struct Bar {\n" 1267 " T foo();\n" 1268 " T bar();\n" 1269 "};"; 1270 BaseTokenCount = 21; 1271 TestRequires(__LINE__); 1272 1273 BaseCode = "template<typename T>\n" 1274 "Bar(T) -> Bar<T>;"; 1275 ConstrainedCode = "template<typename T>\n" 1276 " requires Foo<T>\n" 1277 "Bar(T) -> Bar<T>;"; 1278 BaseTokenCount = 16; 1279 TestRequires(__LINE__); 1280 1281 BaseCode = "template<typename T>\n" 1282 "T foo();"; 1283 ConstrainedCode = "template<typename T>\n" 1284 " requires Foo<T>\n" 1285 "T foo();"; 1286 BaseTokenCount = 11; 1287 TestRequires(__LINE__); 1288 1289 BaseCode = "template<typename T>\n" 1290 "T foo() {\n" 1291 " auto bar = baz();\n" 1292 " return bar + T{};\n" 1293 "}"; 1294 ConstrainedCode = "template<typename T>\n" 1295 " requires Foo<T>\n" 1296 "T foo() {\n" 1297 " auto bar = baz();\n" 1298 " return bar + T{};\n" 1299 "}"; 1300 BaseTokenCount = 26; 1301 TestRequires(__LINE__); 1302 1303 BaseCode = "template<typename T>\n" 1304 "T foo();"; 1305 ConstrainedCode = "template<typename T>\n" 1306 "T foo() requires Foo<T>;"; 1307 BaseTokenCount = 11; 1308 PrefixTokenCount = 9; 1309 TestRequires(__LINE__); 1310 1311 BaseCode = "template<typename T>\n" 1312 "T foo() {\n" 1313 " auto bar = baz();\n" 1314 " return bar + T{};\n" 1315 "}"; 1316 ConstrainedCode = "template<typename T>\n" 1317 "T foo() requires Foo<T> {\n" 1318 " auto bar = baz();\n" 1319 " return bar + T{};\n" 1320 "}"; 1321 BaseTokenCount = 26; 1322 TestRequires(__LINE__); 1323 1324 BaseCode = "template<typename T>\n" 1325 "T foo();"; 1326 ConstrainedCode = "template<typename T>\n" 1327 " requires(Foo<T>)\n" 1328 "T foo();"; 1329 BaseTokenCount = 11; 1330 RequiresTokenCount = 7; 1331 PrefixTokenCount = 5; 1332 TestRequires(__LINE__); 1333 1334 BaseCode = "template<typename T>\n" 1335 "Bar(T) -> Bar<typename T::I>;"; 1336 ConstrainedCode = "template<typename T>\n" 1337 " requires requires(T &&t) {\n" 1338 " typename T::I;\n" 1339 " }\n" 1340 "Bar(T) -> Bar<typename T::I>;"; 1341 BaseTokenCount = 19; 1342 RequiresTokenCount = 14; 1343 PrefixTokenCount = 5; 1344 TestRequires(__LINE__); 1345 1346 BaseCode = "struct [[nodiscard]] zero_t {\n" 1347 " template<class T>\n" 1348 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1349 "};"; 1350 ConstrainedCode = 1351 "struct [[nodiscard]] zero_t {\n" 1352 " template<class T>\n" 1353 " requires requires { v<T>; }\n" 1354 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1355 "};"; 1356 BaseTokenCount = 35; 1357 RequiresTokenCount = 9; 1358 PrefixTokenCount = 13; 1359 TestRequires(__LINE__); 1360 1361 BaseCode = "constexpr Foo(Foo const &other)\n" 1362 " : value{other.value} {\n" 1363 " do_magic();\n" 1364 " do_more_magic();\n" 1365 "}"; 1366 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1367 " requires std::is_copy_constructible<T>\n" 1368 " : value{other.value} {\n" 1369 " do_magic();\n" 1370 " do_more_magic();\n" 1371 "}"; 1372 BaseTokenCount = 26; 1373 RequiresTokenCount = 7; 1374 PrefixTokenCount = 8; 1375 TestRequires(__LINE__); 1376 1377 BaseCode = "constexpr Foo(Foo const &other)\n" 1378 " : value{other.value} {\n" 1379 " do_magic();\n" 1380 " do_more_magic();\n" 1381 "}"; 1382 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1383 " requires (std::is_copy_constructible<T>)\n" 1384 " : value{other.value} {\n" 1385 " do_magic();\n" 1386 " do_more_magic();\n" 1387 "}"; 1388 RequiresTokenCount = 9; 1389 TestRequires(__LINE__); 1390 1391 BaseCode = "template<typename T>\n" 1392 "ANNOTATE(\"S\"\n" 1393 " \"S\")\n" 1394 "void foo();"; 1395 ConstrainedCode = "template<typename T>\n" 1396 " requires(true)\n" 1397 "ANNOTATE(\"S\"\n" 1398 " \"S\")\n" 1399 "void foo();"; 1400 BaseTokenCount = 16; 1401 RequiresTokenCount = 4; 1402 PrefixTokenCount = 5; 1403 TestRequires(__LINE__); 1404 } 1405 1406 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1407 auto Tokens = annotate("__asm{\n" 1408 "a:\n" 1409 "};"); 1410 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1411 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1412 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1413 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1414 } 1415 1416 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1417 auto Tokens = annotate("int (^)() = ^ ()\n" 1418 " external_source_symbol() { //\n" 1419 " return 1;\n" 1420 "};"); 1421 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1422 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1423 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1424 1425 Tokens = annotate("int *p = ^int*(){ //\n" 1426 " return nullptr;\n" 1427 "}();"); 1428 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1429 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1430 } 1431 1432 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1433 auto Tokens = annotate("void f() {\n" 1434 " //\n" 1435 " BOOL a = [b.c n] > 1;\n" 1436 "}"); 1437 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 1438 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1439 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1440 } 1441 1442 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1443 auto Tokens = annotate("[]() constexpr {}"); 1444 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1445 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1446 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1447 1448 Tokens = annotate("[]() consteval {}"); 1449 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1450 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1451 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1452 1453 Tokens = annotate("[]() mutable {}"); 1454 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1455 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1456 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1457 1458 Tokens = annotate("[]() static {}"); 1459 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1460 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1461 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1462 1463 Tokens = annotate("[]() -> auto {}"); 1464 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1465 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1466 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1467 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1468 1469 Tokens = annotate("[]() -> auto & {}"); 1470 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1471 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1472 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1473 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1474 1475 Tokens = annotate("[]() -> auto * {}"); 1476 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1477 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1478 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1479 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1480 1481 Tokens = annotate("[] {}"); 1482 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1483 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1484 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1485 1486 Tokens = annotate("[] noexcept {}"); 1487 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1488 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1489 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1490 1491 Tokens = annotate("[] -> auto {}"); 1492 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1493 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1494 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1495 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1496 1497 Tokens = annotate("[] <typename T> () {}"); 1498 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1499 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1500 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1501 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1502 1503 Tokens = annotate("[] <typename T> {}"); 1504 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1505 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1506 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1507 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1508 1509 Tokens = annotate("[] <typename... T> () {}"); 1510 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1511 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1512 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1513 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1514 1515 Tokens = annotate("[] <typename... T> {}"); 1516 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1517 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1518 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1519 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1520 1521 Tokens = annotate("[] <int... T> () {}"); 1522 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1523 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1524 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1525 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1526 1527 Tokens = annotate("[] <int... T> {}"); 1528 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1529 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1530 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1531 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1532 1533 Tokens = annotate("[] <Foo... T> () {}"); 1534 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1535 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1536 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1537 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1538 1539 Tokens = annotate("[] <Foo... T> {}"); 1540 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1541 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1542 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1543 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1544 1545 // Lambdas with a requires-clause 1546 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1547 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1548 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1549 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1550 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1551 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1552 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1553 1554 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1555 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1556 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1557 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1558 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1559 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1560 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1561 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1562 1563 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1564 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1565 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1566 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1567 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1568 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1569 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1570 1571 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1572 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1573 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1574 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1575 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1576 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1577 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1578 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1579 1580 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1581 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1582 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1583 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1584 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1585 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1586 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1587 1588 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1589 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1590 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1591 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1592 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1593 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1594 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1595 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1596 1597 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1598 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1599 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1600 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1601 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1602 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1603 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1604 1605 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1606 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1607 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1608 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1609 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1610 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1611 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1612 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1613 1614 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1615 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1616 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1617 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1618 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1619 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1620 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1621 1622 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1623 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1624 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1625 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1626 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1627 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1628 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1629 1630 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1631 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1632 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1633 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1634 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1635 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1636 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1637 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1638 1639 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1640 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1641 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1642 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1643 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1644 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1645 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1646 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1647 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1648 1649 Tokens = annotate("[] <typename T = int> (T t) {}"); 1650 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1651 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1652 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1653 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1654 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1655 1656 Tokens = annotate("[] <int I = 0> (T t) {}"); 1657 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1658 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1659 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1660 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1661 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1662 1663 Tokens = annotate("[] <bool b = false> (T t) {}"); 1664 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1665 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1666 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1667 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1668 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1669 1670 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1671 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1672 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1673 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1674 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1675 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1676 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1677 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1678 1679 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1680 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1681 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1682 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1683 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1684 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1685 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1686 } 1687 1688 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1689 auto Tokens = annotate("template <typename T>\n" 1690 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1691 "string OldFunction(const string ¶meter) {}"); 1692 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1693 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1694 1695 Tokens = annotate("template <typename T>\n" 1696 "A(T) noexcept;"); 1697 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1698 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1699 } 1700 1701 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1702 auto Tokens = annotate("void f [[noreturn]] ();"); 1703 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1704 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1705 1706 Tokens = annotate("void f [[noreturn]] () {}"); 1707 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1708 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1709 1710 Tokens = annotate("#define FOO Foo::\n" 1711 "FOO Foo();"); 1712 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1713 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1714 1715 Tokens = annotate("struct Foo {\n" 1716 " Bar (*func)();\n" 1717 "};"); 1718 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1719 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1720 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1721 } 1722 1723 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1724 auto Tokens = annotate("class Foo { public: Foo(); };"); 1725 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1726 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1727 1728 Tokens = annotate("class Foo { public: ~Foo(); };"); 1729 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1730 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1731 1732 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1733 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1734 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1735 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1736 1737 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1738 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1739 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1740 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1741 1742 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1743 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1744 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1745 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1746 1747 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1748 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1749 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1750 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1751 1752 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1753 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1754 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1755 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1756 1757 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1758 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1759 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1760 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1761 1762 Tokens = annotate("Foo::Foo() {}"); 1763 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1764 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1765 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1766 1767 Tokens = annotate("Foo::~Foo() {}"); 1768 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1769 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1770 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1771 1772 Tokens = annotate("struct Test {\n" 1773 " Test()\n" 1774 " : l([] {\n" 1775 " Short::foo();\n" 1776 " }) {}\n" 1777 "};"); 1778 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1779 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1780 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1781 } 1782 1783 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1784 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1785 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1786 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1787 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1788 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1789 } 1790 1791 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1792 auto Tokens = annotate("auto f() -> int;"); 1793 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1794 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1795 1796 Tokens = annotate("auto operator->() -> int;"); 1797 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1798 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1799 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1800 1801 Tokens = annotate("auto operator++(int) -> int;"); 1802 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1803 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1804 1805 Tokens = annotate("auto operator=() -> int;"); 1806 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1807 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1808 1809 Tokens = annotate("auto operator=(int) -> int;"); 1810 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1811 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1812 1813 Tokens = annotate("auto foo() -> auto { return Val; }"); 1814 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1815 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1816 1817 Tokens = annotate("struct S { auto bar() const -> int; };"); 1818 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1819 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1820 1821 // Not trailing return arrows 1822 Tokens = annotate("auto a = b->c;"); 1823 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1824 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1825 1826 Tokens = annotate("auto a = (b)->c;"); 1827 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1828 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1829 1830 Tokens = annotate("auto a = b()->c;"); 1831 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1832 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1833 1834 Tokens = annotate("auto a = b->c();"); 1835 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1836 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1837 1838 Tokens = annotate("decltype(auto) a = b()->c;"); 1839 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1840 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1841 1842 Tokens = annotate("void f() { auto a = b->c(); }"); 1843 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1844 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1845 1846 Tokens = annotate("void f() { auto a = b()->c; }"); 1847 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1848 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1849 1850 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1851 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1852 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1853 1854 Tokens = annotate("void f() FOO(foo->bar);"); 1855 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1856 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 1857 1858 // Mixed 1859 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1860 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1861 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1862 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1863 } 1864 1865 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 1866 auto Tokens = annotate("#define Foo(Bar) \\\n" 1867 " { \\\n" 1868 " #Bar \\\n" 1869 " }"); 1870 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1871 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 1872 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 1873 1874 Tokens = annotate("#define Foo(Bar) \\\n" 1875 " { #Bar }"); 1876 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1877 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 1878 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 1879 } 1880 1881 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 1882 // '__attribute__' has special handling. 1883 auto Tokens = annotate("__attribute__(X) void Foo(void);"); 1884 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1885 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1886 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1887 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1888 1889 // Generic macro has no special handling in this location. 1890 Tokens = annotate("A(X) void Foo(void);"); 1891 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1892 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 1893 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 1894 1895 // Add a custom AttributeMacro. Test that it has the same behavior. 1896 FormatStyle Style = getLLVMStyle(); 1897 Style.AttributeMacros.push_back("A"); 1898 1899 // An "AttributeMacro" gets annotated like '__attribute__'. 1900 Tokens = annotate("A(X) void Foo(void);", Style); 1901 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1902 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1903 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1904 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1905 } 1906 1907 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 1908 // '__attribute__' has special handling. 1909 auto Tokens = annotate("__attribute__(X) @interface Foo"); 1910 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1911 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1912 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1913 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1914 1915 // Generic macro has no special handling in this location. 1916 Tokens = annotate("A(X) @interface Foo"); 1917 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1918 // Note: Don't check token-type as a random token in this position is hard to 1919 // reason about. 1920 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 1921 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 1922 1923 // Add a custom AttributeMacro. Test that it has the same behavior. 1924 FormatStyle Style = getLLVMStyle(); 1925 Style.AttributeMacros.push_back("A"); 1926 1927 // An "AttributeMacro" gets annotated like '__attribute__'. 1928 Tokens = annotate("A(X) @interface Foo", Style); 1929 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1930 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1931 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1932 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1933 } 1934 1935 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 1936 // '__attribute__' has special handling. 1937 auto Tokens = annotate("- (id)init __attribute__(X);"); 1938 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1939 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 1940 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1941 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 1942 1943 // Generic macro has no special handling in this location. 1944 Tokens = annotate("- (id)init A(X);"); 1945 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1946 // Note: Don't check token-type as a random token in this position is hard to 1947 // reason about. 1948 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 1949 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 1950 1951 // Add a custom AttributeMacro. Test that it has the same behavior. 1952 FormatStyle Style = getLLVMStyle(); 1953 Style.AttributeMacros.push_back("A"); 1954 1955 // An "AttributeMacro" gets annotated like '__attribute__'. 1956 Tokens = annotate("- (id)init A(X);", Style); 1957 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1958 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 1959 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1960 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 1961 } 1962 1963 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 1964 // '__attribute__' has special handling. 1965 auto Tokens = annotate("@property(weak) id delegate __attribute__(X);"); 1966 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1967 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 1968 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 1969 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 1970 1971 // Generic macro has no special handling in this location. 1972 Tokens = annotate("@property(weak) id delegate A(X);"); 1973 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1974 // Note: Don't check token-type as a random token in this position is hard to 1975 // reason about. 1976 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 1977 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 1978 1979 // Add a custom AttributeMacro. Test that it has the same behavior. 1980 FormatStyle Style = getLLVMStyle(); 1981 Style.AttributeMacros.push_back("A"); 1982 1983 // An "AttributeMacro" gets annotated like '__attribute__'. 1984 Tokens = annotate("@property(weak) id delegate A(X);", Style); 1985 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1986 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 1987 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 1988 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 1989 } 1990 1991 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 1992 auto Annotate = [this](llvm::StringRef Code) { 1993 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 1994 }; 1995 // Test that unary operators get labeled as such and that operators like '++' 1996 // don't get split. 1997 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 1998 tok::tilde, tok::amp, tok::pipe, 1999 tok::caret, tok::plusplus, tok::minusminus}; 2000 for (auto Kind : Unary) { 2001 auto Tokens = 2002 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2003 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2004 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2005 } 2006 // Operators formed by joining two operators like '^~'. For some of these 2007 // joined operators, we don't have a separate type, so we only test for their 2008 // precedence. 2009 std::pair<prec::Level, std::string> JoinedBinary[] = { 2010 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2011 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2012 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2013 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2014 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2015 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2016 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2017 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2018 {prec::Equality, "!="}, {prec::Equality, "==="}, 2019 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2020 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2021 {prec::ExclusiveOr, "^~"}, 2022 }; 2023 for (auto Operator : JoinedBinary) { 2024 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2025 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2026 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2027 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2028 } 2029 // '~^' and '^~' can be unary as well as binary operators. 2030 auto Tokens = Annotate("x = ~^x;"); 2031 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2032 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2033 Tokens = Annotate("x = ^~x;"); 2034 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2035 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2036 // The unary operators '~&' and '~|' can only be unary operators. The current 2037 // implementation treats each of them as separate unary '~' and '&' or '|' 2038 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2039 // there is a test that there is no space in between. And even if a new line 2040 // is inserted between the '~' and '|', the semantic meaning is the same as 2041 // the joined operator, so the CanBreakBefore property doesn't need to be 2042 // false for the second operator. 2043 Tokens = Annotate("x = ~&x;"); 2044 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2045 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2046 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2047 Tokens = Annotate("x = ~|x;"); 2048 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2049 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2050 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2051 // Test for block label colons. 2052 Tokens = Annotate("begin : x\n" 2053 "end : x"); 2054 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2055 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2056 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2057 // Test that the dimension colon is annotated correctly. 2058 Tokens = Annotate("var [1 : 0] x;"); 2059 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2060 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2061 Tokens = Annotate("extern function [1 : 0] x;"); 2062 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2063 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2064 Tokens = Annotate("module test\n" 2065 " (input wire [7 : 0] a[7 : 0]);\n" 2066 "endmodule"); 2067 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2068 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2069 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2070 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2071 // Test case labels and ternary operators. 2072 Tokens = Annotate("case (x)\n" 2073 " x:\n" 2074 " x;\n" 2075 "endcase"); 2076 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2077 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2078 Tokens = Annotate("case (x)\n" 2079 " x ? x : x:\n" 2080 " x;\n" 2081 "endcase"); 2082 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2083 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2084 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2085 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2086 // Non-blocking assignments. 2087 Tokens = Annotate("a <= b;"); 2088 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2089 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2090 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2091 Tokens = Annotate("if (a <= b) break;"); 2092 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2093 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2094 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2095 Tokens = Annotate("a <= b <= a;"); 2096 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2097 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2098 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2099 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2100 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2101 2102 // Port lists in module instantiation. 2103 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2104 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2105 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2106 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2107 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2108 "instance_2(port_2);"); 2109 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2110 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2111 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2112 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2113 2114 // Condition parentheses. 2115 Tokens = Annotate("assert (x);"); 2116 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2117 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2118 Tokens = Annotate("assert #0 (x);"); 2119 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2120 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2121 Tokens = Annotate("assert final (x);"); 2122 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2123 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2124 Tokens = Annotate("foreach (x[x]) continue;"); 2125 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2126 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2127 Tokens = Annotate("repeat (x[x]) continue;"); 2128 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2129 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2130 Tokens = Annotate("case (x) endcase;"); 2131 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2132 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2133 2134 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2135 // future, please adapt if those tokens get annotated. This test is only here 2136 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2137 Tokens = Annotate("always @(posedge x, posedge y);"); 2138 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2139 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2140 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2141 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2142 2143 // String literals in concatenation. 2144 Tokens = Annotate("x = {\"\"};"); 2145 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2146 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2147 Tokens = Annotate("x = {\"\", \"\"};"); 2148 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2149 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2150 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2151 Tokens = Annotate("x = '{{\"\"}};"); 2152 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2153 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2154 // Cases where the string should not be annotated that type. Fix the 2155 // `TT_Unknown` if needed in the future. 2156 Tokens = Annotate("x = {\"\" == \"\"};"); 2157 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2158 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2159 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2160 Tokens = Annotate("x = {(\"\")};"); 2161 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2162 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2163 Tokens = Annotate("x = '{\"\"};"); 2164 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2165 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2166 } 2167 2168 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2169 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2170 2171 // The TT_Unknown is clearly not binding for the future, please adapt if those 2172 // tokens get annotated. 2173 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2174 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2175 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2176 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2177 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2178 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2179 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2180 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2181 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2182 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2183 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2184 2185 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2186 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2187 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2188 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2189 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2190 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2191 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2192 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2193 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2194 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2195 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2196 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2197 2198 Tokens = annotate("class Class {\n" 2199 " Class() : BaseClass() {\n" 2200 "#if 0\n" 2201 " // comment\n" 2202 "#endif\n" 2203 " }\n" 2204 " Class f();\n" 2205 "}"); 2206 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2207 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2208 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2209 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2210 } 2211 2212 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2213 auto Tokens = annotate("if (x) {}"); 2214 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2215 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2216 Tokens = annotate("if constexpr (x) {}"); 2217 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2218 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2219 Tokens = annotate("if CONSTEXPR (x) {}"); 2220 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2221 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2222 Tokens = annotate("if (x) {} else if (x) {}"); 2223 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2224 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2225 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2226 } 2227 2228 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2229 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2230 2231 auto Tokens = annotate("int? a;", Style); 2232 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 2233 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2234 2235 Tokens = annotate("int? a = 1;", Style); 2236 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 2237 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2238 2239 Tokens = annotate("int?)", Style); 2240 EXPECT_EQ(Tokens.size(), 4u) << Tokens; 2241 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2242 2243 Tokens = annotate("int?>", Style); 2244 EXPECT_EQ(Tokens.size(), 4u) << Tokens; 2245 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2246 2247 Tokens = annotate("cond? id : id2", Style); 2248 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 2249 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2250 2251 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2252 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 2253 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2254 } 2255 2256 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2257 auto Tokens = annotate("{ x: break; }"); 2258 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2259 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2260 Tokens = annotate("{ case x: break; }"); 2261 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2262 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2263 Tokens = annotate("{ x: { break; } }"); 2264 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2265 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2266 Tokens = annotate("{ case x: { break; } }"); 2267 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2268 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2269 } 2270 2271 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2272 // The closing braces are not annotated. It doesn't seem to cause a problem. 2273 // So we only test for the opening braces. 2274 auto Tokens = annotate("{\n" 2275 " {\n" 2276 " { int a = 0; }\n" 2277 " }\n" 2278 " {}\n" 2279 "}"); 2280 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2281 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2282 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2283 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2284 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2285 } 2286 2287 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2288 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2289 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2290 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2291 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2292 2293 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2294 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2295 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2296 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2297 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2298 2299 Tokens = annotate("SomeStruct {\n" 2300 "#ifdef FOO\n" 2301 " .a = 1,\n" 2302 "#endif\n" 2303 " .b = 2\n" 2304 "};"); 2305 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2306 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2307 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2308 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2309 2310 Tokens = annotate("SomeStruct {\n" 2311 "#if defined FOO\n" 2312 " .a = 1,\n" 2313 "#endif\n" 2314 " .b = 2\n" 2315 "};"); 2316 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2317 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2318 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2319 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2320 } 2321 2322 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2323 auto Annotate = [this](llvm::StringRef Code) { 2324 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2325 }; 2326 2327 // Dictionary. 2328 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2329 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2330 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2331 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2332 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2333 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2334 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2335 // Change when we need to annotate these. 2336 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2337 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2338 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2339 } 2340 2341 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2342 auto Tokens = annotate("bool foo __attribute__((unused));"); 2343 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2344 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2345 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2346 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2347 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2348 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2349 2350 Tokens = annotate("bool foo __declspec(dllimport);"); 2351 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2352 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2353 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2354 2355 Tokens = annotate("bool __attribute__((unused)) foo;"); 2356 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2357 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2358 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2359 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2360 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2361 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2362 2363 Tokens = annotate("void __attribute__((x)) Foo();"); 2364 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2365 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2366 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2367 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2368 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2369 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2370 2371 FormatStyle Style = getLLVMStyle(); 2372 Style.AttributeMacros.push_back("FOO"); 2373 Tokens = annotate("bool foo FOO(unused);", Style); 2374 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2375 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2376 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2377 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2378 } 2379 2380 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2381 auto Tokens = annotate("while (true) {}"); 2382 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2383 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2384 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2385 2386 Tokens = annotate("for (;;) {}"); 2387 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2388 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2389 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2390 2391 Tokens = annotate("do {} while (true);"); 2392 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2393 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2394 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2395 2396 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2397 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2398 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2399 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2400 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2401 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2402 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2403 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2404 2405 Tokens = annotate("switch (foo) {}"); 2406 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2407 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2408 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2409 } 2410 2411 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2412 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2413 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2414 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2415 2416 Tokens = annotate("do ++i; while ( i > 5 );"); 2417 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2418 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2419 } 2420 2421 TEST_F(TokenAnnotatorTest, StartOfName) { 2422 auto Tokens = annotate("#pragma clang diagnostic push"); 2423 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2424 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2425 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2426 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2427 2428 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2429 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2430 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2431 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2432 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2433 2434 Tokens = annotate("#define FOO Foo foo"); 2435 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2436 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2437 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2438 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2439 } 2440 2441 TEST_F(TokenAnnotatorTest, BraceKind) { 2442 auto Tokens = annotate("void f() {};"); 2443 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2444 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2445 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2446 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2447 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2448 2449 Tokens = annotate("void f() override {};"); 2450 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2451 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2452 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2453 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2454 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2455 2456 Tokens = annotate("void f() noexcept(false) {};"); 2457 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2458 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2459 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2460 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2461 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2462 2463 Tokens = annotate("auto f() -> void {};"); 2464 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2465 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2466 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2467 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2468 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2469 2470 Tokens = annotate("void f() { /**/ };"); 2471 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2472 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2473 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2474 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2475 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2476 2477 Tokens = annotate("void f() { //\n" 2478 "};"); 2479 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2480 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2481 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2482 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2483 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2484 2485 Tokens = annotate("void f() {\n" 2486 " //\n" 2487 "};"); 2488 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2489 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2490 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2491 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2492 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2493 } 2494 2495 } // namespace 2496 } // namespace format 2497 } // namespace clang 2498