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