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 Tokens = annotate("template <typename T>\n" 1071 "concept C = (!Foo<T>) && Bar;"); 1072 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1073 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1074 } 1075 1076 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1077 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1078 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1079 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1080 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1081 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1082 1083 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1084 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1085 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1086 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1087 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1088 1089 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1090 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1091 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1092 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1093 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1094 1095 Tokens = annotate("foo(requires(const T t) {});"); 1096 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1097 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1098 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1099 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1100 1101 Tokens = annotate("foo(requires(const int t) {});"); 1102 ASSERT_EQ(Tokens.size(), 13u) << 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[8], tok::l_brace, TT_RequiresExpressionLBrace); 1106 1107 Tokens = annotate("foo(requires(const T t) {});"); 1108 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1109 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1110 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1111 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1112 1113 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1114 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1115 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1116 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1117 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1118 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1119 1120 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1121 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1122 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1123 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1124 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1125 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1126 1127 Tokens = annotate("foo(requires(T& t) {});"); 1128 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1129 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1130 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1131 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1132 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1133 1134 Tokens = annotate("foo(requires(T&& t) {});"); 1135 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1136 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1137 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1138 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1139 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1140 1141 Tokens = annotate("bool foo = requires(T& t) {};"); 1142 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1143 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1144 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1145 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1146 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1147 1148 Tokens = annotate("bool foo = requires(T&& t) {};"); 1149 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1150 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1151 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1152 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1153 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1154 1155 Tokens = 1156 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1157 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1158 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1159 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1160 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1161 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1162 1163 Tokens = annotate("template <typename T>\n" 1164 "concept C = requires(T T) {\n" 1165 " requires Bar<T> && Foo<T>;\n" 1166 "};"); 1167 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1168 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1169 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1170 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1171 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1172 TT_RequiresClauseInARequiresExpression); 1173 1174 Tokens = annotate("template <typename T>\n" 1175 "concept C = requires(T T) {\n" 1176 " { t.func() } -> std::same_as<int>;" 1177 " requires Bar<T> && Foo<T>;\n" 1178 "};"); 1179 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1180 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1181 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1182 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1183 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1184 TT_RequiresClauseInARequiresExpression); 1185 1186 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1187 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1188 "requires true; };"); 1189 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1190 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1191 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1192 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1193 1194 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1195 " { c.foo(); }\n" 1196 "};"); 1197 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1198 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1199 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1200 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1201 } 1202 1203 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1204 // Everything after #pragma region should be ImplicitStringLiteral 1205 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1206 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1207 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1208 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1209 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1210 1211 // Make sure it's annotated correctly inside a function as well 1212 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1213 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1214 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1215 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1216 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1217 } 1218 1219 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1220 const char *BaseCode = nullptr; 1221 const char *ConstrainedCode = nullptr; 1222 auto BaseTokenCount = 0u; 1223 auto RequiresTokenCount = 0u; 1224 auto PrefixTokenCount = 0u; 1225 1226 auto TestRequires = [&](int Line) { 1227 const auto BaseTokens = annotate(BaseCode); 1228 const auto ConstrainedTokens = annotate(ConstrainedCode); 1229 1230 #define LINE " (Line " << Line << ')' 1231 1232 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1233 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1234 << LINE; 1235 1236 for (auto I = 0u; I < BaseTokenCount; ++I) { 1237 EXPECT_EQ( 1238 *BaseTokens[I], 1239 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1240 << I << LINE; 1241 } 1242 1243 #undef LINE 1244 }; 1245 1246 BaseCode = "template<typename T>\n" 1247 "T Pi = 3.14;"; 1248 ConstrainedCode = "template<typename T>\n" 1249 " requires Foo<T>\n" 1250 "T Pi = 3.14;"; 1251 BaseTokenCount = 11; 1252 RequiresTokenCount = 5; 1253 PrefixTokenCount = 5; 1254 TestRequires(__LINE__); 1255 1256 BaseCode = "template<typename T>\n" 1257 "struct Bar;"; 1258 ConstrainedCode = "template<typename T>\n" 1259 " requires Foo<T>\n" 1260 "struct Bar;"; 1261 BaseTokenCount = 9; 1262 TestRequires(__LINE__); 1263 1264 BaseCode = "template<typename T>\n" 1265 "struct Bar {\n" 1266 " T foo();\n" 1267 " T bar();\n" 1268 "};"; 1269 ConstrainedCode = "template<typename T>\n" 1270 " requires Foo<T>\n" 1271 "struct Bar {\n" 1272 " T foo();\n" 1273 " T bar();\n" 1274 "};"; 1275 BaseTokenCount = 21; 1276 TestRequires(__LINE__); 1277 1278 BaseCode = "template<typename T>\n" 1279 "Bar(T) -> Bar<T>;"; 1280 ConstrainedCode = "template<typename T>\n" 1281 " requires Foo<T>\n" 1282 "Bar(T) -> Bar<T>;"; 1283 BaseTokenCount = 16; 1284 TestRequires(__LINE__); 1285 1286 BaseCode = "template<typename T>\n" 1287 "T foo();"; 1288 ConstrainedCode = "template<typename T>\n" 1289 " requires Foo<T>\n" 1290 "T foo();"; 1291 BaseTokenCount = 11; 1292 TestRequires(__LINE__); 1293 1294 BaseCode = "template<typename T>\n" 1295 "T foo() {\n" 1296 " auto bar = baz();\n" 1297 " return bar + T{};\n" 1298 "}"; 1299 ConstrainedCode = "template<typename T>\n" 1300 " requires Foo<T>\n" 1301 "T foo() {\n" 1302 " auto bar = baz();\n" 1303 " return bar + T{};\n" 1304 "}"; 1305 BaseTokenCount = 26; 1306 TestRequires(__LINE__); 1307 1308 BaseCode = "template<typename T>\n" 1309 "T foo();"; 1310 ConstrainedCode = "template<typename T>\n" 1311 "T foo() requires Foo<T>;"; 1312 BaseTokenCount = 11; 1313 PrefixTokenCount = 9; 1314 TestRequires(__LINE__); 1315 1316 BaseCode = "template<typename T>\n" 1317 "T foo() {\n" 1318 " auto bar = baz();\n" 1319 " return bar + T{};\n" 1320 "}"; 1321 ConstrainedCode = "template<typename T>\n" 1322 "T foo() requires Foo<T> {\n" 1323 " auto bar = baz();\n" 1324 " return bar + T{};\n" 1325 "}"; 1326 BaseTokenCount = 26; 1327 TestRequires(__LINE__); 1328 1329 BaseCode = "template<typename T>\n" 1330 "T foo();"; 1331 ConstrainedCode = "template<typename T>\n" 1332 " requires(Foo<T>)\n" 1333 "T foo();"; 1334 BaseTokenCount = 11; 1335 RequiresTokenCount = 7; 1336 PrefixTokenCount = 5; 1337 TestRequires(__LINE__); 1338 1339 BaseCode = "template<typename T>\n" 1340 "Bar(T) -> Bar<typename T::I>;"; 1341 ConstrainedCode = "template<typename T>\n" 1342 " requires requires(T &&t) {\n" 1343 " typename T::I;\n" 1344 " }\n" 1345 "Bar(T) -> Bar<typename T::I>;"; 1346 BaseTokenCount = 19; 1347 RequiresTokenCount = 14; 1348 PrefixTokenCount = 5; 1349 TestRequires(__LINE__); 1350 1351 BaseCode = "struct [[nodiscard]] zero_t {\n" 1352 " template<class T>\n" 1353 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1354 "};"; 1355 ConstrainedCode = 1356 "struct [[nodiscard]] zero_t {\n" 1357 " template<class T>\n" 1358 " requires requires { v<T>; }\n" 1359 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1360 "};"; 1361 BaseTokenCount = 35; 1362 RequiresTokenCount = 9; 1363 PrefixTokenCount = 13; 1364 TestRequires(__LINE__); 1365 1366 BaseCode = "constexpr Foo(Foo const &other)\n" 1367 " : value{other.value} {\n" 1368 " do_magic();\n" 1369 " do_more_magic();\n" 1370 "}"; 1371 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1372 " requires std::is_copy_constructible<T>\n" 1373 " : value{other.value} {\n" 1374 " do_magic();\n" 1375 " do_more_magic();\n" 1376 "}"; 1377 BaseTokenCount = 26; 1378 RequiresTokenCount = 7; 1379 PrefixTokenCount = 8; 1380 TestRequires(__LINE__); 1381 1382 BaseCode = "constexpr Foo(Foo const &other)\n" 1383 " : value{other.value} {\n" 1384 " do_magic();\n" 1385 " do_more_magic();\n" 1386 "}"; 1387 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1388 " requires (std::is_copy_constructible<T>)\n" 1389 " : value{other.value} {\n" 1390 " do_magic();\n" 1391 " do_more_magic();\n" 1392 "}"; 1393 RequiresTokenCount = 9; 1394 TestRequires(__LINE__); 1395 1396 BaseCode = "template<typename T>\n" 1397 "ANNOTATE(\"S\"\n" 1398 " \"S\")\n" 1399 "void foo();"; 1400 ConstrainedCode = "template<typename T>\n" 1401 " requires(true)\n" 1402 "ANNOTATE(\"S\"\n" 1403 " \"S\")\n" 1404 "void foo();"; 1405 BaseTokenCount = 16; 1406 RequiresTokenCount = 4; 1407 PrefixTokenCount = 5; 1408 TestRequires(__LINE__); 1409 } 1410 1411 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1412 auto Tokens = annotate("__asm{\n" 1413 "a:\n" 1414 "};"); 1415 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1416 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1417 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1418 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1419 } 1420 1421 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1422 auto Tokens = annotate("int (^)() = ^ ()\n" 1423 " external_source_symbol() { //\n" 1424 " return 1;\n" 1425 "};"); 1426 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1427 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1428 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1429 1430 Tokens = annotate("int *p = ^int*(){ //\n" 1431 " return nullptr;\n" 1432 "}();"); 1433 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1434 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1435 } 1436 1437 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1438 auto Tokens = annotate("void f() {\n" 1439 " //\n" 1440 " BOOL a = [b.c n] > 1;\n" 1441 "}"); 1442 EXPECT_EQ(Tokens.size(), 20u) << Tokens; 1443 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1444 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1445 } 1446 1447 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1448 auto Tokens = annotate("[]() constexpr {}"); 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("[]() consteval {}"); 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("[]() mutable {}"); 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("[]() static {}"); 1464 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1465 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1466 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1467 1468 Tokens = annotate("[]() -> auto {}"); 1469 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1470 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1471 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1472 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1473 1474 Tokens = annotate("[]() -> auto & {}"); 1475 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1476 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1477 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1478 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1479 1480 Tokens = annotate("[]() -> auto * {}"); 1481 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1482 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1483 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1484 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1485 1486 Tokens = annotate("[] {}"); 1487 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1488 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1489 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1490 1491 Tokens = annotate("[] noexcept {}"); 1492 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1493 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1494 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1495 1496 Tokens = annotate("[] -> auto {}"); 1497 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1498 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1499 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1500 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1501 1502 Tokens = annotate("[] <typename T> () {}"); 1503 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1504 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1505 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1506 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1507 1508 Tokens = annotate("[] <typename T> {}"); 1509 ASSERT_EQ(Tokens.size(), 9u) << 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::l_brace, TT_LambdaLBrace); 1513 1514 Tokens = annotate("[] <typename... T> () {}"); 1515 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1516 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1517 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1518 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1519 1520 Tokens = annotate("[] <typename... T> {}"); 1521 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1522 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1523 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1524 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1525 1526 Tokens = annotate("[] <int... T> () {}"); 1527 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1528 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1529 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1530 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1531 1532 Tokens = annotate("[] <int... T> {}"); 1533 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1534 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1535 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1536 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1537 1538 Tokens = annotate("[] <Foo... T> () {}"); 1539 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1540 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1541 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1542 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1543 1544 Tokens = annotate("[] <Foo... T> {}"); 1545 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1546 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1547 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1548 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1549 1550 // Lambdas with a requires-clause 1551 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1552 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1553 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1554 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1555 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1556 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1557 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1558 1559 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1560 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1561 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1562 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1563 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1564 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1565 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1566 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1567 1568 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1569 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1570 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1571 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1572 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1573 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1574 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1575 1576 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1577 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1578 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1579 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1580 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1581 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1582 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1583 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1584 1585 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1586 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1587 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1588 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1589 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1590 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1591 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1592 1593 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1594 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1595 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1596 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1597 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1598 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1599 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1600 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1601 1602 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1603 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1604 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1605 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1606 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1607 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1608 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1609 1610 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1611 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1612 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1613 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1614 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1615 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1616 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1617 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1618 1619 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1620 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1621 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1622 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1623 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1624 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1625 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1626 1627 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1628 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1629 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1630 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1631 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1632 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1633 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1634 1635 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1636 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1637 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1638 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1639 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1640 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1641 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1642 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1643 1644 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1645 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1646 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1647 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1648 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1649 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1650 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1651 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1652 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1653 1654 Tokens = annotate("[] <typename T = int> (T t) {}"); 1655 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1656 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1657 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1658 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1659 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1660 1661 Tokens = annotate("[] <int I = 0> (T t) {}"); 1662 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1663 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1664 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1665 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1666 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1667 1668 Tokens = annotate("[] <bool b = false> (T t) {}"); 1669 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1670 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1671 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1672 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1673 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1674 1675 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1676 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1677 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1678 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1679 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1680 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1681 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1682 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1683 1684 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1685 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1686 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1687 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1688 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1689 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1690 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1691 } 1692 1693 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1694 auto Tokens = annotate("template <typename T>\n" 1695 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1696 "string OldFunction(const string ¶meter) {}"); 1697 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1698 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1699 1700 Tokens = annotate("template <typename T>\n" 1701 "A(T) noexcept;"); 1702 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1703 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1704 } 1705 1706 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1707 auto Tokens = annotate("void f [[noreturn]] ();"); 1708 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1709 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1710 1711 Tokens = annotate("void f [[noreturn]] () {}"); 1712 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1713 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1714 1715 Tokens = annotate("#define FOO Foo::\n" 1716 "FOO Foo();"); 1717 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1718 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1719 1720 Tokens = annotate("struct Foo {\n" 1721 " Bar (*func)();\n" 1722 "};"); 1723 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1724 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1725 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1726 1727 auto Style = getLLVMStyle(); 1728 Style.TypeNames.push_back("time_t"); 1729 Tokens = annotate("int iso_time(time_t);", Style); 1730 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1731 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1732 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1733 } 1734 1735 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1736 auto Tokens = annotate("class Foo { public: Foo(); };"); 1737 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1738 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1739 1740 Tokens = annotate("class Foo { public: ~Foo(); };"); 1741 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1742 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1743 1744 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1745 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1746 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1747 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1748 1749 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1750 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1751 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1752 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1753 1754 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1755 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1756 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1757 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1758 1759 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1760 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1761 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1762 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1763 1764 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1765 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1766 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1767 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1768 1769 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1770 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1771 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1772 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1773 1774 Tokens = annotate("Foo::Foo() {}"); 1775 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1776 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1777 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1778 1779 Tokens = annotate("Foo::~Foo() {}"); 1780 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1781 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1782 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1783 1784 Tokens = annotate("struct Test {\n" 1785 " Test()\n" 1786 " : l([] {\n" 1787 " Short::foo();\n" 1788 " }) {}\n" 1789 "};"); 1790 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1791 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1792 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1793 } 1794 1795 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1796 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1797 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1798 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1799 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1800 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1801 } 1802 1803 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1804 auto Tokens = annotate("auto f() -> int;"); 1805 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1806 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1807 1808 Tokens = annotate("auto operator->() -> int;"); 1809 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1810 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1811 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1812 1813 Tokens = annotate("auto operator++(int) -> int;"); 1814 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1815 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1816 1817 Tokens = annotate("auto operator=() -> int;"); 1818 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1819 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1820 1821 Tokens = annotate("auto operator=(int) -> int;"); 1822 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1823 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1824 1825 Tokens = annotate("auto foo() -> auto { return Val; }"); 1826 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1827 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1828 1829 Tokens = annotate("struct S { auto bar() const -> int; };"); 1830 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1831 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1832 1833 // Not trailing return arrows 1834 Tokens = annotate("auto a = b->c;"); 1835 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1836 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1837 1838 Tokens = annotate("auto a = (b)->c;"); 1839 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1840 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1841 1842 Tokens = annotate("auto a = b()->c;"); 1843 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1844 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1845 1846 Tokens = annotate("auto a = b->c();"); 1847 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1848 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1849 1850 Tokens = annotate("decltype(auto) a = b()->c;"); 1851 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1852 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1853 1854 Tokens = annotate("void f() { auto a = b->c(); }"); 1855 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1856 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1857 1858 Tokens = annotate("void f() { auto a = b()->c; }"); 1859 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1860 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1861 1862 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1863 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1864 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1865 1866 Tokens = annotate("void f() FOO(foo->bar);"); 1867 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1868 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 1869 1870 // Mixed 1871 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1872 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1873 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1874 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1875 } 1876 1877 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 1878 auto Tokens = annotate("#define Foo(Bar) \\\n" 1879 " { \\\n" 1880 " #Bar \\\n" 1881 " }"); 1882 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1883 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 1884 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 1885 1886 Tokens = annotate("#define Foo(Bar) \\\n" 1887 " { #Bar }"); 1888 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1889 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 1890 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 1891 } 1892 1893 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 1894 // '__attribute__' has special handling. 1895 auto Tokens = annotate("__attribute__(X) void Foo(void);"); 1896 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1897 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1898 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1899 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1900 1901 // Generic macro has no special handling in this location. 1902 Tokens = annotate("A(X) void Foo(void);"); 1903 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1904 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 1905 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 1906 1907 // Add a custom AttributeMacro. Test that it has the same behavior. 1908 FormatStyle Style = getLLVMStyle(); 1909 Style.AttributeMacros.push_back("A"); 1910 1911 // An "AttributeMacro" gets annotated like '__attribute__'. 1912 Tokens = annotate("A(X) void Foo(void);", Style); 1913 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1914 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1915 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1916 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1917 } 1918 1919 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 1920 // '__attribute__' has special handling. 1921 auto Tokens = annotate("__attribute__(X) @interface Foo"); 1922 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1923 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1924 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1925 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1926 1927 // Generic macro has no special handling in this location. 1928 Tokens = annotate("A(X) @interface Foo"); 1929 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1930 // Note: Don't check token-type as a random token in this position is hard to 1931 // reason about. 1932 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 1933 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 1934 1935 // Add a custom AttributeMacro. Test that it has the same behavior. 1936 FormatStyle Style = getLLVMStyle(); 1937 Style.AttributeMacros.push_back("A"); 1938 1939 // An "AttributeMacro" gets annotated like '__attribute__'. 1940 Tokens = annotate("A(X) @interface Foo", Style); 1941 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1942 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1943 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1944 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1945 } 1946 1947 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 1948 // '__attribute__' has special handling. 1949 auto Tokens = annotate("- (id)init __attribute__(X);"); 1950 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1951 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 1952 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1953 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 1954 1955 // Generic macro has no special handling in this location. 1956 Tokens = annotate("- (id)init A(X);"); 1957 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1958 // Note: Don't check token-type as a random token in this position is hard to 1959 // reason about. 1960 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 1961 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 1962 1963 // Add a custom AttributeMacro. Test that it has the same behavior. 1964 FormatStyle Style = getLLVMStyle(); 1965 Style.AttributeMacros.push_back("A"); 1966 1967 // An "AttributeMacro" gets annotated like '__attribute__'. 1968 Tokens = annotate("- (id)init A(X);", Style); 1969 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1970 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 1971 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1972 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 1973 } 1974 1975 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 1976 // '__attribute__' has special handling. 1977 auto Tokens = annotate("@property(weak) id delegate __attribute__(X);"); 1978 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1979 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 1980 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 1981 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 1982 1983 // Generic macro has no special handling in this location. 1984 Tokens = annotate("@property(weak) id delegate A(X);"); 1985 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1986 // Note: Don't check token-type as a random token in this position is hard to 1987 // reason about. 1988 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 1989 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 1990 1991 // Add a custom AttributeMacro. Test that it has the same behavior. 1992 FormatStyle Style = getLLVMStyle(); 1993 Style.AttributeMacros.push_back("A"); 1994 1995 // An "AttributeMacro" gets annotated like '__attribute__'. 1996 Tokens = annotate("@property(weak) id delegate A(X);", Style); 1997 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1998 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 1999 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2000 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2001 } 2002 2003 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2004 auto Annotate = [this](llvm::StringRef Code) { 2005 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2006 }; 2007 // Test that unary operators get labeled as such and that operators like '++' 2008 // don't get split. 2009 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2010 tok::tilde, tok::amp, tok::pipe, 2011 tok::caret, tok::plusplus, tok::minusminus}; 2012 for (auto Kind : Unary) { 2013 auto Tokens = 2014 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2015 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2016 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2017 } 2018 // Operators formed by joining two operators like '^~'. For some of these 2019 // joined operators, we don't have a separate type, so we only test for their 2020 // precedence. 2021 std::pair<prec::Level, std::string> JoinedBinary[] = { 2022 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2023 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2024 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2025 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2026 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2027 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2028 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2029 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2030 {prec::Equality, "!="}, {prec::Equality, "==="}, 2031 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2032 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2033 {prec::ExclusiveOr, "^~"}, 2034 }; 2035 for (auto Operator : JoinedBinary) { 2036 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2037 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2038 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2039 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2040 } 2041 // '~^' and '^~' can be unary as well as binary operators. 2042 auto Tokens = Annotate("x = ~^x;"); 2043 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2044 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2045 Tokens = Annotate("x = ^~x;"); 2046 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2047 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2048 // The unary operators '~&' and '~|' can only be unary operators. The current 2049 // implementation treats each of them as separate unary '~' and '&' or '|' 2050 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2051 // there is a test that there is no space in between. And even if a new line 2052 // is inserted between the '~' and '|', the semantic meaning is the same as 2053 // the joined operator, so the CanBreakBefore property doesn't need to be 2054 // false for the second operator. 2055 Tokens = Annotate("x = ~&x;"); 2056 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2057 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2058 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2059 Tokens = Annotate("x = ~|x;"); 2060 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2061 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2062 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2063 // Test for block label colons. 2064 Tokens = Annotate("begin : x\n" 2065 "end : x"); 2066 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2067 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2068 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2069 // Test that the dimension colon is annotated correctly. 2070 Tokens = Annotate("var [1 : 0] x;"); 2071 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2072 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2073 Tokens = Annotate("extern function [1 : 0] x;"); 2074 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2075 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2076 Tokens = Annotate("module test\n" 2077 " (input wire [7 : 0] a[7 : 0]);\n" 2078 "endmodule"); 2079 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2080 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2081 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2082 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2083 // Test case labels and ternary operators. 2084 Tokens = Annotate("case (x)\n" 2085 " x:\n" 2086 " x;\n" 2087 "endcase"); 2088 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2089 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2090 Tokens = Annotate("case (x)\n" 2091 " x ? x : x:\n" 2092 " x;\n" 2093 "endcase"); 2094 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2095 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2096 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2097 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2098 // Non-blocking assignments. 2099 Tokens = Annotate("a <= b;"); 2100 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2101 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2102 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2103 Tokens = Annotate("if (a <= b) break;"); 2104 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2105 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2106 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2107 Tokens = Annotate("a <= b <= a;"); 2108 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2109 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2110 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2111 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2112 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2113 2114 // Port lists in module instantiation. 2115 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2116 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2117 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2118 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2119 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2120 "instance_2(port_2);"); 2121 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2122 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2123 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2124 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2125 2126 // Condition parentheses. 2127 Tokens = Annotate("assert (x);"); 2128 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2129 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2130 Tokens = Annotate("assert #0 (x);"); 2131 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2132 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2133 Tokens = Annotate("assert final (x);"); 2134 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2135 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2136 Tokens = Annotate("foreach (x[x]) continue;"); 2137 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2138 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2139 Tokens = Annotate("repeat (x[x]) continue;"); 2140 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2141 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2142 Tokens = Annotate("case (x) endcase;"); 2143 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2144 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2145 2146 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2147 // future, please adapt if those tokens get annotated. This test is only here 2148 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2149 Tokens = Annotate("always @(posedge x, posedge y);"); 2150 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2151 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2152 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2153 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2154 2155 // String literals in concatenation. 2156 Tokens = Annotate("x = {\"\"};"); 2157 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2158 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2159 Tokens = Annotate("x = {\"\", \"\"};"); 2160 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2161 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2162 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2163 Tokens = Annotate("x = '{{\"\"}};"); 2164 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2165 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2166 // Cases where the string should not be annotated that type. Fix the 2167 // `TT_Unknown` if needed in the future. 2168 Tokens = Annotate("x = {\"\" == \"\"};"); 2169 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2170 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2171 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2172 Tokens = Annotate("x = {(\"\")};"); 2173 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2174 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2175 Tokens = Annotate("x = '{\"\"};"); 2176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2177 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2178 } 2179 2180 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2181 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2182 ASSERT_TRUE(Style.isTableGen()); 2183 2184 TestLexer Lexer(Allocator, Buffers, Style); 2185 AdditionalKeywords Keywords(Lexer.IdentTable); 2186 auto Annotate = [&Lexer](llvm::StringRef Code) { 2187 return Lexer.annotate(Code); 2188 }; 2189 2190 // Additional keywords representation test. 2191 auto Tokens = Annotate("def foo : Bar<1>;"); 2192 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2193 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2194 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2195 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2196 2197 // Code, the multiline string token. 2198 Tokens = Annotate("[{ code is multiline string }]"); 2199 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2200 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2201 EXPECT_FALSE(Tokens[0]->IsMultiline); 2202 // Case with multiple lines. 2203 Tokens = Annotate("[{ It can break\n" 2204 " across lines and the line breaks\n" 2205 " are retained in \n" 2206 " the string. }]"); 2207 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2208 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2209 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2210 EXPECT_TRUE(Tokens[0]->IsMultiline); 2211 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2212 2213 // Identifier tokens. In TableGen, identifiers can begin with a number. 2214 // In ambiguous cases, the lexer tries to lex it as a number. 2215 // Even if the try fails, it does not fall back to identifier lexing and 2216 // regard as an error. 2217 // The ambiguity is not documented. The result of those tests are based on the 2218 // implementation of llvm::TGLexer::LexToken. 2219 Tokens = Annotate("1234"); 2220 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2221 Tokens = Annotate("0x1abC"); 2222 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2223 // This is invalid syntax of number, but not an identifier. 2224 Tokens = Annotate("0x1234x"); 2225 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2226 Tokens = Annotate("identifier"); 2227 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2228 // Identifier beginning with a number. 2229 Tokens = Annotate("0x"); 2230 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2231 Tokens = Annotate("2dVector"); 2232 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2233 Tokens = Annotate("01234Vector"); 2234 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2235 2236 // Structured statements. 2237 Tokens = Annotate("class Foo {}"); 2238 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2239 Tokens = Annotate("def Def: Foo {}"); 2240 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2241 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2242 Tokens = Annotate("if cond then {} else {}"); 2243 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2244 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2245 Tokens = Annotate("defset Foo Def2 = {}"); 2246 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2247 } 2248 2249 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2250 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2251 2252 // The TT_Unknown is clearly not binding for the future, please adapt if those 2253 // tokens get annotated. 2254 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2255 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2256 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2257 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2258 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2259 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2260 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2261 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2262 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2263 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2264 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2265 2266 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2267 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2268 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2269 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2270 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2271 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2272 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2273 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2274 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2275 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2276 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2277 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2278 2279 Tokens = annotate("class Class {\n" 2280 " Class() : BaseClass() {\n" 2281 "#if 0\n" 2282 " // comment\n" 2283 "#endif\n" 2284 " }\n" 2285 " Class f();\n" 2286 "}"); 2287 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2288 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2289 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2290 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2291 } 2292 2293 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2294 auto Tokens = annotate("if (x) {}"); 2295 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2296 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2297 Tokens = annotate("if constexpr (x) {}"); 2298 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2299 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2300 Tokens = annotate("if CONSTEXPR (x) {}"); 2301 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2302 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2303 Tokens = annotate("if (x) {} else if (x) {}"); 2304 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2305 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2306 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2307 } 2308 2309 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2310 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2311 2312 auto Tokens = annotate("int? a;", Style); 2313 EXPECT_EQ(Tokens.size(), 5u) << Tokens; 2314 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2315 2316 Tokens = annotate("int? a = 1;", Style); 2317 EXPECT_EQ(Tokens.size(), 7u) << Tokens; 2318 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2319 2320 Tokens = annotate("int?)", Style); 2321 EXPECT_EQ(Tokens.size(), 4u) << Tokens; 2322 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2323 2324 Tokens = annotate("int?>", Style); 2325 EXPECT_EQ(Tokens.size(), 4u) << Tokens; 2326 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2327 2328 Tokens = annotate("cond? id : id2", Style); 2329 EXPECT_EQ(Tokens.size(), 6u) << Tokens; 2330 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2331 2332 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2333 EXPECT_EQ(Tokens.size(), 9u) << Tokens; 2334 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2335 } 2336 2337 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2338 auto Tokens = annotate("{ x: break; }"); 2339 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2340 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2341 Tokens = annotate("{ case x: break; }"); 2342 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2343 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2344 Tokens = annotate("{ x: { break; } }"); 2345 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2346 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2347 Tokens = annotate("{ case x: { break; } }"); 2348 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2349 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2350 } 2351 2352 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2353 // The closing braces are not annotated. It doesn't seem to cause a problem. 2354 // So we only test for the opening braces. 2355 auto Tokens = annotate("{\n" 2356 " {\n" 2357 " { int a = 0; }\n" 2358 " }\n" 2359 " {}\n" 2360 "}"); 2361 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2362 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2363 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2364 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2365 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2366 } 2367 2368 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2369 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2370 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2371 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2372 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2373 2374 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2375 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2376 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2377 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2378 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2379 2380 Tokens = annotate("SomeStruct {\n" 2381 "#ifdef FOO\n" 2382 " .a = 1,\n" 2383 "#endif\n" 2384 " .b = 2\n" 2385 "};"); 2386 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2387 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2388 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2389 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2390 2391 Tokens = annotate("SomeStruct {\n" 2392 "#if defined FOO\n" 2393 " .a = 1,\n" 2394 "#endif\n" 2395 " .b = 2\n" 2396 "};"); 2397 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2398 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2399 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2400 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2401 2402 Tokens = annotate("Foo foo[] = {[0]{}};"); 2403 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2404 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2405 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2406 } 2407 2408 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2409 auto Annotate = [this](llvm::StringRef Code) { 2410 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2411 }; 2412 2413 // Dictionary. 2414 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2415 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2416 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2417 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2418 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2419 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2420 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2421 // Change when we need to annotate these. 2422 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2423 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2424 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2425 } 2426 2427 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2428 auto Tokens = annotate("bool foo __attribute__((unused));"); 2429 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2430 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2431 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2432 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2433 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2434 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2435 2436 Tokens = annotate("bool foo __declspec(dllimport);"); 2437 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2438 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2439 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2440 2441 Tokens = annotate("bool __attribute__((unused)) foo;"); 2442 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2443 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2444 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2445 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2446 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2447 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2448 2449 Tokens = annotate("void __attribute__((x)) Foo();"); 2450 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2451 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2452 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2453 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2454 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2455 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2456 2457 FormatStyle Style = getLLVMStyle(); 2458 Style.AttributeMacros.push_back("FOO"); 2459 Tokens = annotate("bool foo FOO(unused);", Style); 2460 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2461 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2462 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2463 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2464 } 2465 2466 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2467 auto Tokens = annotate("while (true) {}"); 2468 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2469 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2470 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2471 2472 Tokens = annotate("for (;;) {}"); 2473 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2474 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2475 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2476 2477 Tokens = annotate("do {} while (true);"); 2478 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2479 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2480 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2481 2482 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2483 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2484 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2485 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2486 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2487 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2488 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2489 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2490 2491 Tokens = annotate("switch (foo) {}"); 2492 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2493 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2494 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2495 } 2496 2497 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2498 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2499 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2500 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2501 2502 Tokens = annotate("do ++i; while ( i > 5 );"); 2503 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2504 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2505 } 2506 2507 TEST_F(TokenAnnotatorTest, StartOfName) { 2508 auto Tokens = annotate("#pragma clang diagnostic push"); 2509 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2510 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2511 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2512 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2513 2514 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2515 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2516 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2517 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2518 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2519 2520 Tokens = annotate("#define FOO Foo foo"); 2521 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2522 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2523 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2524 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2525 } 2526 2527 TEST_F(TokenAnnotatorTest, BraceKind) { 2528 auto Tokens = annotate("void f() {};"); 2529 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2530 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2531 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2532 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2533 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2534 2535 Tokens = annotate("class Foo<int> f() {}"); 2536 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2537 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2538 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2539 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2540 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2541 2542 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2543 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2544 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2545 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2546 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2547 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2548 2549 Tokens = annotate("void f() override {};"); 2550 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2551 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2552 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2553 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2554 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2555 2556 Tokens = annotate("void f() noexcept(false) {};"); 2557 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2558 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2559 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2560 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2561 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2562 2563 Tokens = annotate("auto f() -> void {};"); 2564 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2565 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2566 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2567 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2568 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2569 2570 Tokens = annotate("void f() { /**/ };"); 2571 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2572 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2573 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2574 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2575 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2576 2577 Tokens = annotate("void f() { //\n" 2578 "};"); 2579 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2580 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2581 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2582 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2583 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2584 2585 Tokens = annotate("void f() {\n" 2586 " //\n" 2587 "};"); 2588 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2589 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2590 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2591 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2592 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2593 } 2594 2595 TEST_F(TokenAnnotatorTest, StreamOperator) { 2596 auto Tokens = annotate("\"foo\\n\" << aux << \"foo\\n\" << \"foo\";"); 2597 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2598 EXPECT_FALSE(Tokens[1]->MustBreakBefore); 2599 EXPECT_FALSE(Tokens[3]->MustBreakBefore); 2600 // Only break between string literals if the former ends with \n. 2601 EXPECT_TRUE(Tokens[5]->MustBreakBefore); 2602 } 2603 2604 } // namespace 2605 } // namespace format 2606 } // namespace clang 2607