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 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 54 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 55 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 56 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 57 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 59 60 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 61 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 62 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 63 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 64 65 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 66 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 67 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 68 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 69 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 70 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 72 73 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 74 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 75 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 76 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 77 78 Tokens = annotate("void f() {\n" 79 " while (p < a && *p == 'a')\n" 80 " p++;\n" 81 "}"); 82 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 83 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 84 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 85 86 Tokens = annotate("case *x:"); 87 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 88 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 89 Tokens = annotate("case &x:"); 90 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 91 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 92 93 Tokens = annotate("bool b = 3 == int{3} && true;"); 94 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 95 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 96 97 Tokens = annotate("struct {\n" 98 "} *ptr;"); 99 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 100 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 101 Tokens = annotate("union {\n" 102 "} *ptr;"); 103 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 104 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 105 Tokens = annotate("class {\n" 106 "} *ptr;"); 107 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 108 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 109 110 Tokens = annotate("struct {\n" 111 "} &&ptr = {};"); 112 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 113 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 114 Tokens = annotate("union {\n" 115 "} &&ptr = {};"); 116 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 117 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 118 Tokens = annotate("class {\n" 119 "} &&ptr = {};"); 120 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 121 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 122 Tokens = annotate("int i = int{42} * 2;"); 123 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 124 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 125 126 Tokens = annotate("delete[] *ptr;"); 127 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 128 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 129 Tokens = annotate("delete[] **ptr;"); 130 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 131 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 132 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 133 Tokens = annotate("delete[] *(ptr);"); 134 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 135 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 136 137 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 138 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 139 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 140 // FIXME: The star of a function pointer probably makes more sense as 141 // TT_PointerOrReference. 142 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 143 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 144 145 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 146 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 147 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 148 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 149 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 150 151 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 152 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 153 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 154 155 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 156 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 157 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 158 159 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 160 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 161 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 162 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 163 164 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 165 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 166 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 167 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 168 169 Tokens = annotate("Type1 &val1 = val2;"); 170 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 171 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 172 173 Tokens = annotate("Type1 *val1 = &val2;"); 174 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 175 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 176 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 177 178 Tokens = annotate("val1 & val2;"); 179 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 180 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 181 182 Tokens = annotate("val1 & val2.member;"); 183 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 184 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 185 186 Tokens = annotate("val1 & val2.*member;"); 187 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 188 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 189 190 Tokens = annotate("val1.*member & val2;"); 191 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 192 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 193 194 Tokens = annotate("val1 & val2->*member;"); 195 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 196 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 197 198 Tokens = annotate("val1->member & val2;"); 199 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 200 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 201 202 Tokens = annotate("val1 & val2 & val3;"); 203 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 204 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 205 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 206 207 Tokens = annotate("val1 & val2 // comment\n" 208 " & val3;"); 209 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 210 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 211 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 212 213 Tokens = 214 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 215 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 216 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 217 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 218 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 220 221 Tokens = annotate("class c {\n" 222 " void func(type &a) { a & member; }\n" 223 " anotherType &member;\n" 224 "}"); 225 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 226 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 227 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 228 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 229 230 Tokens = annotate("struct S {\n" 231 " auto Mem = C & D;\n" 232 "}"); 233 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 234 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 235 236 Tokens = 237 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 238 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 239 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 240 241 Tokens = annotate("template <typename T> struct S {\n" 242 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 243 "};"); 244 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 245 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 246 247 Tokens = annotate("template <bool B = C && D> struct S {};"); 248 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 249 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 250 251 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 252 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 253 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 254 255 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 256 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 257 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 258 259 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 260 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 261 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 262 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 263 264 Tokens = annotate("Foo<A && B> a = {};"); 265 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 266 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 267 268 Tokens = annotate("Foo<A &&> a = {};"); 269 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 270 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 271 272 Tokens = annotate("template <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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_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 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 558 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 559 560 Tokens = annotate("FOO(a:b:c)", Style); 561 ASSERT_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 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 568 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 569 570 Tokens = annotate("delete[] (void *)p;"); 571 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 572 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 573 574 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 575 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 576 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 577 578 Tokens = annotate("delete[/*comment*/] (void *)p;"); 579 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 580 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 581 582 Tokens = annotate("delete/*comment*/[] (void *)p;"); 583 ASSERT_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 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 590 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 591 592 Tokens = annotate("auto x = (Foo)p;"); 593 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 594 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 595 596 Tokens = annotate("(std::vector<int>)p;"); 597 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 598 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 599 600 Tokens = annotate("return (Foo)p;"); 601 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 602 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 603 604 Tokens = annotate("throw (Foo)p;"); 605 ASSERT_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 ASSERT_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("#define foo(i) ((i) - bar)"); 615 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 616 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 617 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 618 619 Tokens = annotate("return (Foo) & 10;"); 620 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 621 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 622 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 623 } 624 625 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 626 auto Tokens = annotate("void f() throw(int);"); 627 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 628 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 629 } 630 631 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 632 auto Tokens = annotate("void f() &;"); 633 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 634 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 635 636 Tokens = annotate("void operator=(T) &&;"); 637 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 638 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 639 640 Tokens = annotate("template <typename T> void f() &;"); 641 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 642 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 643 644 Tokens = annotate("template <typename T> void operator=(T) &;"); 645 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 646 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 647 } 648 649 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 650 auto 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::plus, 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::equal, 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::plusequal, TT_OverloadedOperator); 664 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 665 Tokens = annotate("x.operator,()"); 666 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 667 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 668 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 669 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 670 Tokens = annotate("x.operator()()"); 671 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 672 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 673 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 674 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 675 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 676 Tokens = annotate("x.operator[]()"); 677 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 678 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 679 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 680 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 681 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 682 Tokens = annotate("x.operator\"\"_a()"); 683 ASSERT_EQ(Tokens.size(), 7u) << 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[4], tok::l_paren, TT_OverloadedOperatorLParen); 687 Tokens = annotate("x.operator\"\" _a()"); 688 ASSERT_EQ(Tokens.size(), 8u) << 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[5], tok::l_paren, TT_OverloadedOperatorLParen); 692 Tokens = annotate("x.operator\"\"if()"); 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(), 7u) << 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[4], tok::l_paren, TT_OverloadedOperatorLParen); 702 Tokens = annotate("x.operator\"\" s()"); 703 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 704 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 705 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 706 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 707 708 Tokens = annotate("int operator+(int);"); 709 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 710 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 711 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 712 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 713 Tokens = annotate("auto operator=(T&) {}"); 714 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 715 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 716 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 717 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 718 Tokens = annotate("auto operator()() {}"); 719 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 720 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 721 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 722 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 723 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 724 725 Tokens = annotate("class Foo {\n" 726 " int operator+(a* b);\n" 727 "}"); 728 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 729 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 730 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 731 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 732 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 733 734 Tokens = annotate("class Foo {\n" 735 " int c = operator+(a * b);\n" 736 "}"); 737 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 738 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 739 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 740 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 741 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 742 743 Tokens = annotate("void foo() {\n" 744 " operator+(a * b);\n" 745 "}"); 746 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 747 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 748 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 749 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 750 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 751 752 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 753 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 754 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 755 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 756 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 757 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 758 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 759 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 760 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 761 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 762 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 763 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 764 765 Tokens = annotate("class Foo {\n" 766 " void foo() {\n" 767 " operator+(a * b);\n" 768 " }\n" 769 "}"); 770 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 771 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 772 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 773 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 774 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 775 776 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 777 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 778 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 779 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 780 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 781 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 782 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 783 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 784 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 785 786 Tokens = annotate("decltype(auto) operator()(T &x);"); 787 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 788 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 789 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 790 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 791 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 792 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 793 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 794 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 795 } 796 797 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 798 struct { 799 const char *Text; 800 tok::TokenKind Kind; 801 } Operators[] = {{"+", tok::plus}, 802 {"-", tok::minus}, 803 // FIXME: 804 // {"*", tok::star}, 805 {"/", tok::slash}, 806 {"%", tok::percent}, 807 {"^", tok::caret}, 808 // FIXME: 809 // {"&", tok::amp}, 810 {"|", tok::pipe}, 811 {"~", tok::tilde}, 812 {"!", tok::exclaim}, 813 {"=", tok::equal}, 814 // FIXME: 815 // {"<", tok::less}, 816 {">", tok::greater}, 817 {"+=", tok::plusequal}, 818 {"-=", tok::minusequal}, 819 {"*=", tok::starequal}, 820 {"/=", tok::slashequal}, 821 {"%=", tok::percentequal}, 822 {"^=", tok::caretequal}, 823 {"&=", tok::ampequal}, 824 {"|=", tok::pipeequal}, 825 {"<<", tok::lessless}, 826 {">>", tok::greatergreater}, 827 {">>=", tok::greatergreaterequal}, 828 {"<<=", tok::lesslessequal}, 829 {"==", tok::equalequal}, 830 {"!=", tok::exclaimequal}, 831 {"<=", tok::lessequal}, 832 {">=", tok::greaterequal}, 833 {"<=>", tok::spaceship}, 834 {"&&", tok::ampamp}, 835 {"||", tok::pipepipe}, 836 {"++", tok::plusplus}, 837 {"--", tok::minusminus}, 838 {",", tok::comma}, 839 {"->*", tok::arrowstar}, 840 {"->", tok::arrow}}; 841 842 for (const auto &Operator : Operators) { 843 std::string Input("C<&operator"); 844 Input += Operator.Text; 845 Input += " > a;"; 846 auto Tokens = annotate(std::string(Input)); 847 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 848 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 849 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 850 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 851 } 852 853 auto Tokens = annotate("C<&operator< <X>> lt;"); 854 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 855 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 856 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 857 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 858 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 859 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 860 } 861 862 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 863 auto Tokens = annotate("template <typename T>\n" 864 "concept C = (Foo && Bar) && (Bar && Baz);"); 865 866 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 867 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 868 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 869 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 870 871 Tokens = annotate("template <typename T>\n" 872 "concept C = Foo && !Bar;"); 873 874 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 875 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 876 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 877 878 Tokens = annotate("template <typename T>\n" 879 "concept C = requires(T t) {\n" 880 " { t.foo() };\n" 881 "} && Bar<T> && Baz<T>;"); 882 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 883 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 884 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 885 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 886 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 887 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 888 889 Tokens = annotate("template<typename T>\n" 890 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 891 "struct Foo;"); 892 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 893 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 894 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 895 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 896 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 897 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 898 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 899 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 900 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 901 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 902 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 903 904 Tokens = 905 annotate("template<typename T>\n" 906 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 907 "struct Foo;"); 908 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 909 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 910 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 911 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 912 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 913 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 914 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 915 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 916 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 917 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 918 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 919 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 920 921 Tokens = annotate("template <typename T>\n" 922 "void foo(T) noexcept requires Bar<T>;"); 923 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 924 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 925 926 Tokens = annotate("template <typename T>\n" 927 "requires Bar<T> || Baz<T>\n" 928 "auto foo(T) -> int;"); 929 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 930 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 931 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 932 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 933 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 934 935 Tokens = annotate("template <typename T>\n" 936 "requires Bar<T>\n" 937 "bool foo(T) { return false; }"); 938 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 939 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 940 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 941 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 942 943 Tokens = annotate("template <typename T>\n" 944 "requires Bar<T>\n" 945 "decltype(auto) foo(T) { return false; }"); 946 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 947 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 948 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 949 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 950 951 Tokens = annotate("template <typename T>\n" 952 "struct S {\n" 953 " void foo() const requires Bar<T>;\n" 954 " void bar() const & requires Baz<T>;\n" 955 " void bar() && requires Baz2<T>;\n" 956 " void baz() const & noexcept requires Baz<T>;\n" 957 " void baz() && noexcept requires Baz2<T>;\n" 958 "};\n" 959 "\n" 960 "void S::bar() const & requires Baz<T> { }"); 961 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 962 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 963 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 964 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 965 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 966 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 967 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 968 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 969 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 970 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 971 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 972 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 973 974 Tokens = annotate("void Class::member() && requires(Constant) {}"); 975 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 976 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 977 978 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 979 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 980 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 981 982 Tokens = 983 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 984 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 985 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 986 987 Tokens = annotate("void Class::member() && requires(typename " 988 "Namespace::Outer<T>::Inner::Constant) {}"); 989 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 990 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 991 992 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 993 " template<class T>\n" 994 " requires requires { number_zero_v<T>; }\n" 995 " [[nodiscard]] constexpr operator T() const { " 996 "return number_zero_v<T>; }\n" 997 "};"); 998 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 999 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1000 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1001 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1002 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1003 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1004 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1005 1006 Tokens = 1007 annotate("template <class A, class B> concept C =" 1008 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1009 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1010 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1011 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1012 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1013 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1014 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1015 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1016 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1017 1018 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1019 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1020 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1021 1022 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1023 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1024 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1025 1026 Tokens = annotate("auto bar() -> MyType 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() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1032 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1033 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1034 1035 Tokens = 1036 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1037 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1038 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1039 1040 Tokens = 1041 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1042 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1043 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1044 1045 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1046 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1047 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1048 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1049 1050 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1051 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1052 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1053 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1054 1055 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1056 ASSERT_EQ(Tokens.size(), 21u) << 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 foo() requires([](T&& u){}(t)) {}"); 1061 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1062 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1063 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1064 1065 Tokens = annotate("void f() & requires(true) {}"); 1066 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1067 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1068 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1069 1070 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1071 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1072 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1073 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1074 1075 Tokens = annotate("template <typename T>\n" 1076 "concept C = (!Foo<T>) && Bar;"); 1077 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1078 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1079 } 1080 1081 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1082 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1083 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1084 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1085 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1086 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1087 1088 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1089 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1090 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1091 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1092 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1093 1094 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1095 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1096 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1097 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1098 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1099 1100 Tokens = annotate("foo(requires(const T t) {});"); 1101 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1102 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1103 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1104 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1105 1106 Tokens = annotate("foo(requires(const int t) {});"); 1107 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1108 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1109 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1110 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1111 1112 Tokens = annotate("foo(requires(const T t) {});"); 1113 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1114 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1115 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1116 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1117 1118 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1119 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1120 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1121 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1122 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1123 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1124 1125 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1126 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1127 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1128 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1129 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1130 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1131 1132 Tokens = annotate("foo(requires(T& t) {});"); 1133 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1134 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1135 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1136 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1137 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1138 1139 Tokens = annotate("foo(requires(T&& t) {});"); 1140 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1141 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1142 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1143 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1144 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1145 1146 Tokens = annotate("bool foo = requires(T& t) {};"); 1147 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1148 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1149 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1150 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1151 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1152 1153 Tokens = annotate("bool foo = requires(T&& t) {};"); 1154 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1155 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1156 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1157 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1158 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1159 1160 Tokens = 1161 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1162 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1163 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1164 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1165 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1166 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1167 1168 Tokens = annotate("template <typename T>\n" 1169 "concept C = requires(T T) {\n" 1170 " requires Bar<T> && Foo<T>;\n" 1171 "};"); 1172 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1173 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1174 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1175 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1176 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1177 TT_RequiresClauseInARequiresExpression); 1178 1179 Tokens = annotate("template <typename T>\n" 1180 "concept C = requires(T T) {\n" 1181 " { t.func() } -> std::same_as<int>;" 1182 " requires Bar<T> && Foo<T>;\n" 1183 "};"); 1184 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1185 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1186 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1187 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1188 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1189 TT_RequiresClauseInARequiresExpression); 1190 1191 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1192 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1193 "requires true; };"); 1194 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1195 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1196 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1197 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1198 1199 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1200 " { c.foo(); }\n" 1201 "};"); 1202 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1203 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1204 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1205 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1206 } 1207 1208 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1209 // Everything after #pragma region should be ImplicitStringLiteral 1210 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1211 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1212 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1213 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1214 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1215 1216 // Make sure it's annotated correctly inside a function as well 1217 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1218 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1219 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1220 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1221 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1222 } 1223 1224 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1225 const char *BaseCode = nullptr; 1226 const char *ConstrainedCode = nullptr; 1227 auto BaseTokenCount = 0u; 1228 auto RequiresTokenCount = 0u; 1229 auto PrefixTokenCount = 0u; 1230 1231 auto TestRequires = [&](int Line) { 1232 const auto BaseTokens = annotate(BaseCode); 1233 const auto ConstrainedTokens = annotate(ConstrainedCode); 1234 1235 #define LINE " (Line " << Line << ')' 1236 1237 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1238 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1239 << LINE; 1240 1241 for (auto I = 0u; I < BaseTokenCount; ++I) { 1242 EXPECT_EQ( 1243 *BaseTokens[I], 1244 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1245 << I << LINE; 1246 } 1247 1248 #undef LINE 1249 }; 1250 1251 BaseCode = "template<typename T>\n" 1252 "T Pi = 3.14;"; 1253 ConstrainedCode = "template<typename T>\n" 1254 " requires Foo<T>\n" 1255 "T Pi = 3.14;"; 1256 BaseTokenCount = 11; 1257 RequiresTokenCount = 5; 1258 PrefixTokenCount = 5; 1259 TestRequires(__LINE__); 1260 1261 BaseCode = "template<typename T>\n" 1262 "struct Bar;"; 1263 ConstrainedCode = "template<typename T>\n" 1264 " requires Foo<T>\n" 1265 "struct Bar;"; 1266 BaseTokenCount = 9; 1267 TestRequires(__LINE__); 1268 1269 BaseCode = "template<typename T>\n" 1270 "struct Bar {\n" 1271 " T foo();\n" 1272 " T bar();\n" 1273 "};"; 1274 ConstrainedCode = "template<typename T>\n" 1275 " requires Foo<T>\n" 1276 "struct Bar {\n" 1277 " T foo();\n" 1278 " T bar();\n" 1279 "};"; 1280 BaseTokenCount = 21; 1281 TestRequires(__LINE__); 1282 1283 BaseCode = "template<typename T>\n" 1284 "Bar(T) -> Bar<T>;"; 1285 ConstrainedCode = "template<typename T>\n" 1286 " requires Foo<T>\n" 1287 "Bar(T) -> Bar<T>;"; 1288 BaseTokenCount = 16; 1289 TestRequires(__LINE__); 1290 1291 BaseCode = "template<typename T>\n" 1292 "T foo();"; 1293 ConstrainedCode = "template<typename T>\n" 1294 " requires Foo<T>\n" 1295 "T foo();"; 1296 BaseTokenCount = 11; 1297 TestRequires(__LINE__); 1298 1299 BaseCode = "template<typename T>\n" 1300 "T foo() {\n" 1301 " auto bar = baz();\n" 1302 " return bar + T{};\n" 1303 "}"; 1304 ConstrainedCode = "template<typename T>\n" 1305 " requires Foo<T>\n" 1306 "T foo() {\n" 1307 " auto bar = baz();\n" 1308 " return bar + T{};\n" 1309 "}"; 1310 BaseTokenCount = 26; 1311 TestRequires(__LINE__); 1312 1313 BaseCode = "template<typename T>\n" 1314 "T foo();"; 1315 ConstrainedCode = "template<typename T>\n" 1316 "T foo() requires Foo<T>;"; 1317 BaseTokenCount = 11; 1318 PrefixTokenCount = 9; 1319 TestRequires(__LINE__); 1320 1321 BaseCode = "template<typename T>\n" 1322 "T foo() {\n" 1323 " auto bar = baz();\n" 1324 " return bar + T{};\n" 1325 "}"; 1326 ConstrainedCode = "template<typename T>\n" 1327 "T foo() requires Foo<T> {\n" 1328 " auto bar = baz();\n" 1329 " return bar + T{};\n" 1330 "}"; 1331 BaseTokenCount = 26; 1332 TestRequires(__LINE__); 1333 1334 BaseCode = "template<typename T>\n" 1335 "T foo();"; 1336 ConstrainedCode = "template<typename T>\n" 1337 " requires(Foo<T>)\n" 1338 "T foo();"; 1339 BaseTokenCount = 11; 1340 RequiresTokenCount = 7; 1341 PrefixTokenCount = 5; 1342 TestRequires(__LINE__); 1343 1344 BaseCode = "template<typename T>\n" 1345 "Bar(T) -> Bar<typename T::I>;"; 1346 ConstrainedCode = "template<typename T>\n" 1347 " requires requires(T &&t) {\n" 1348 " typename T::I;\n" 1349 " }\n" 1350 "Bar(T) -> Bar<typename T::I>;"; 1351 BaseTokenCount = 19; 1352 RequiresTokenCount = 14; 1353 PrefixTokenCount = 5; 1354 TestRequires(__LINE__); 1355 1356 BaseCode = "struct [[nodiscard]] zero_t {\n" 1357 " template<class T>\n" 1358 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1359 "};"; 1360 ConstrainedCode = 1361 "struct [[nodiscard]] zero_t {\n" 1362 " template<class T>\n" 1363 " requires requires { v<T>; }\n" 1364 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1365 "};"; 1366 BaseTokenCount = 35; 1367 RequiresTokenCount = 9; 1368 PrefixTokenCount = 13; 1369 TestRequires(__LINE__); 1370 1371 BaseCode = "constexpr Foo(Foo const &other)\n" 1372 " : value{other.value} {\n" 1373 " do_magic();\n" 1374 " do_more_magic();\n" 1375 "}"; 1376 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1377 " requires std::is_copy_constructible<T>\n" 1378 " : value{other.value} {\n" 1379 " do_magic();\n" 1380 " do_more_magic();\n" 1381 "}"; 1382 BaseTokenCount = 26; 1383 RequiresTokenCount = 7; 1384 PrefixTokenCount = 8; 1385 TestRequires(__LINE__); 1386 1387 BaseCode = "constexpr Foo(Foo const &other)\n" 1388 " : value{other.value} {\n" 1389 " do_magic();\n" 1390 " do_more_magic();\n" 1391 "}"; 1392 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1393 " requires (std::is_copy_constructible<T>)\n" 1394 " : value{other.value} {\n" 1395 " do_magic();\n" 1396 " do_more_magic();\n" 1397 "}"; 1398 RequiresTokenCount = 9; 1399 TestRequires(__LINE__); 1400 1401 BaseCode = "template<typename T>\n" 1402 "ANNOTATE(\"S\"\n" 1403 " \"S\")\n" 1404 "void foo();"; 1405 ConstrainedCode = "template<typename T>\n" 1406 " requires(true)\n" 1407 "ANNOTATE(\"S\"\n" 1408 " \"S\")\n" 1409 "void foo();"; 1410 BaseTokenCount = 16; 1411 RequiresTokenCount = 4; 1412 PrefixTokenCount = 5; 1413 TestRequires(__LINE__); 1414 } 1415 1416 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1417 auto Tokens = annotate("__asm{\n" 1418 "a:\n" 1419 "};"); 1420 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1421 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1422 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1423 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1424 } 1425 1426 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1427 auto Tokens = annotate("int (^)() = ^ ()\n" 1428 " external_source_symbol() { //\n" 1429 " return 1;\n" 1430 "};"); 1431 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1432 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1433 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1434 1435 Tokens = annotate("int *p = ^int*(){ //\n" 1436 " return nullptr;\n" 1437 "}();"); 1438 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1439 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1440 } 1441 1442 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1443 auto Tokens = annotate("void f() {\n" 1444 " //\n" 1445 " BOOL a = [b.c n] > 1;\n" 1446 "}"); 1447 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1448 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1449 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1450 } 1451 1452 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1453 auto Tokens = annotate("[]() constexpr {}"); 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("[]() consteval {}"); 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("[]() mutable {}"); 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("[]() static {}"); 1469 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1470 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1471 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1472 1473 Tokens = annotate("[]() -> auto {}"); 1474 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1475 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1476 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1477 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1478 1479 Tokens = annotate("[]() -> auto & {}"); 1480 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1481 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1482 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1483 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1484 1485 Tokens = annotate("[]() -> auto * {}"); 1486 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1487 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1488 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1489 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1490 1491 Tokens = annotate("[] {}"); 1492 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1493 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1494 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1495 1496 Tokens = annotate("[] noexcept {}"); 1497 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1498 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1499 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1500 1501 Tokens = annotate("[] -> auto {}"); 1502 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1503 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1504 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1505 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1506 1507 Tokens = annotate("[] <typename T> () {}"); 1508 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1509 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1510 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1511 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1512 1513 Tokens = annotate("[] <typename T> {}"); 1514 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1515 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1516 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1517 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1518 1519 Tokens = annotate("[] <typename... T> () {}"); 1520 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1521 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1522 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1523 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1524 1525 Tokens = annotate("[] <typename... T> {}"); 1526 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1527 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1528 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1529 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1530 1531 Tokens = annotate("[] <int... T> () {}"); 1532 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1533 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1534 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1535 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1536 1537 Tokens = annotate("[] <int... T> {}"); 1538 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1539 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1540 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1541 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1542 1543 Tokens = annotate("[] <Foo... T> () {}"); 1544 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1545 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1546 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1547 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1548 1549 Tokens = annotate("[] <Foo... T> {}"); 1550 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1551 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1552 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1553 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1554 1555 // Lambdas with a requires-clause 1556 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1557 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1558 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1559 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1560 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1561 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1562 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1563 1564 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1565 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1566 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1567 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1568 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1569 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1570 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1571 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1572 1573 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1574 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1575 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1576 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1577 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1578 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1579 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1580 1581 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1582 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1583 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1584 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1585 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1586 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1587 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1588 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1589 1590 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1591 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1592 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1593 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1594 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1595 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1596 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1597 1598 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1599 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1600 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1601 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1602 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1603 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1604 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1605 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1606 1607 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1608 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1609 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1610 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1611 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1612 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1613 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1614 1615 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1616 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1617 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1618 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1619 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1620 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1621 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1622 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1623 1624 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1625 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1626 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1627 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1628 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1629 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1630 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1631 1632 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1633 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1634 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1635 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1636 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1637 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1638 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1639 1640 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1641 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1642 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1643 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1644 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1645 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1646 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1647 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1648 1649 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1650 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1651 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1652 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1653 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1654 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1655 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1656 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1657 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1658 1659 Tokens = annotate("[] <typename T = int> (T t) {}"); 1660 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1661 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1662 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1663 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1664 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1665 1666 Tokens = annotate("[] <int I = 0> (T t) {}"); 1667 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1668 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1669 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1670 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1671 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1672 1673 Tokens = annotate("[] <bool b = false> (T t) {}"); 1674 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1675 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1676 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1677 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1678 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1679 1680 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1681 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1682 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1683 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1684 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1685 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1686 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1687 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1688 1689 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1690 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1691 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1692 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1693 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1694 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1695 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1696 } 1697 1698 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1699 auto Tokens = annotate("template <typename T>\n" 1700 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1701 "string OldFunction(const string ¶meter) {}"); 1702 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1703 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1704 1705 Tokens = annotate("template <typename T>\n" 1706 "A(T) noexcept;"); 1707 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1708 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1709 } 1710 1711 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1712 auto Tokens = annotate("void f [[noreturn]] ();"); 1713 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1714 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1715 1716 Tokens = annotate("void f [[noreturn]] () {}"); 1717 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1718 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1719 1720 Tokens = annotate("#define FOO Foo::\n" 1721 "FOO Foo();"); 1722 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1723 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1724 1725 Tokens = annotate("struct Foo {\n" 1726 " Bar (*func)();\n" 1727 "};"); 1728 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1729 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1730 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1731 1732 auto Style = getLLVMStyle(); 1733 Style.TypeNames.push_back("time_t"); 1734 Tokens = annotate("int iso_time(time_t);", Style); 1735 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1736 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1737 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1738 } 1739 1740 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1741 auto Tokens = annotate("class Foo { public: Foo(); };"); 1742 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1743 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1744 1745 Tokens = annotate("class Foo { public: ~Foo(); };"); 1746 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1747 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1748 1749 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1750 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1751 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1752 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1753 1754 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1755 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1756 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1757 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1758 1759 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1760 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1761 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1762 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1763 1764 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1765 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1766 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1767 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1768 1769 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1770 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1771 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1772 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1773 1774 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1775 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1776 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1777 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1778 1779 Tokens = annotate("Foo::Foo() {}"); 1780 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1781 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1782 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1783 1784 Tokens = annotate("Foo::~Foo() {}"); 1785 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1786 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1787 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1788 1789 Tokens = annotate("struct Test {\n" 1790 " Test()\n" 1791 " : l([] {\n" 1792 " Short::foo();\n" 1793 " }) {}\n" 1794 "};"); 1795 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1796 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1797 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1798 } 1799 1800 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1801 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1802 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1803 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1804 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1805 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1806 } 1807 1808 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1809 auto Tokens = annotate("auto f() -> int;"); 1810 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1811 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1812 1813 Tokens = annotate("auto operator->() -> int;"); 1814 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1815 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1816 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1817 1818 Tokens = annotate("auto operator++(int) -> int;"); 1819 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1820 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1821 1822 Tokens = annotate("auto operator=() -> int;"); 1823 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1824 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1825 1826 Tokens = annotate("auto operator=(int) -> int;"); 1827 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1828 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1829 1830 Tokens = annotate("auto foo() -> auto { return Val; }"); 1831 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1832 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1833 1834 Tokens = annotate("struct S { auto bar() const -> int; };"); 1835 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1836 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1837 1838 // Not trailing return arrows 1839 Tokens = annotate("auto a = b->c;"); 1840 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1841 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1842 1843 Tokens = annotate("auto a = (b)->c;"); 1844 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1845 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1846 1847 Tokens = annotate("auto a = b()->c;"); 1848 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1849 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1850 1851 Tokens = annotate("auto a = b->c();"); 1852 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1853 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1854 1855 Tokens = annotate("decltype(auto) a = b()->c;"); 1856 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1857 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1858 1859 Tokens = annotate("void f() { auto a = b->c(); }"); 1860 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1861 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1862 1863 Tokens = annotate("void f() { auto a = b()->c; }"); 1864 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1865 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1866 1867 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1868 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1869 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1870 1871 Tokens = annotate("void f() FOO(foo->bar);"); 1872 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1873 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 1874 1875 // Mixed 1876 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1877 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1878 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1879 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1880 } 1881 1882 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 1883 auto Tokens = annotate("#define Foo(Bar) \\\n" 1884 " { \\\n" 1885 " #Bar \\\n" 1886 " }"); 1887 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1888 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 1889 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 1890 1891 Tokens = annotate("#define Foo(Bar) \\\n" 1892 " { #Bar }"); 1893 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1894 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 1895 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 1896 } 1897 1898 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 1899 // '__attribute__' has special handling. 1900 auto Tokens = annotate("__attribute__(X) void Foo(void);"); 1901 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1902 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1903 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1904 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1905 1906 // Generic macro has no special handling in this location. 1907 Tokens = annotate("A(X) void Foo(void);"); 1908 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1909 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 1910 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 1911 1912 // Add a custom AttributeMacro. Test that it has the same behavior. 1913 FormatStyle Style = getLLVMStyle(); 1914 Style.AttributeMacros.push_back("A"); 1915 1916 // An "AttributeMacro" gets annotated like '__attribute__'. 1917 Tokens = annotate("A(X) void Foo(void);", Style); 1918 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1919 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1920 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1921 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1922 } 1923 1924 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 1925 // '__attribute__' has special handling. 1926 auto Tokens = annotate("__attribute__(X) @interface Foo"); 1927 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1928 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1929 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1930 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1931 1932 // Generic macro has no special handling in this location. 1933 Tokens = annotate("A(X) @interface Foo"); 1934 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1935 // Note: Don't check token-type as a random token in this position is hard to 1936 // reason about. 1937 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 1938 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 1939 1940 // Add a custom AttributeMacro. Test that it has the same behavior. 1941 FormatStyle Style = getLLVMStyle(); 1942 Style.AttributeMacros.push_back("A"); 1943 1944 // An "AttributeMacro" gets annotated like '__attribute__'. 1945 Tokens = annotate("A(X) @interface Foo", Style); 1946 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1947 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1948 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1949 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1950 } 1951 1952 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 1953 // '__attribute__' has special handling. 1954 auto Tokens = annotate("- (id)init __attribute__(X);"); 1955 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1956 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 1957 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1958 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 1959 1960 // Generic macro has no special handling in this location. 1961 Tokens = annotate("- (id)init A(X);"); 1962 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1963 // Note: Don't check token-type as a random token in this position is hard to 1964 // reason about. 1965 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 1966 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 1967 1968 // Add a custom AttributeMacro. Test that it has the same behavior. 1969 FormatStyle Style = getLLVMStyle(); 1970 Style.AttributeMacros.push_back("A"); 1971 1972 // An "AttributeMacro" gets annotated like '__attribute__'. 1973 Tokens = annotate("- (id)init A(X);", Style); 1974 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1975 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 1976 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1977 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 1978 } 1979 1980 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 1981 // '__attribute__' has special handling. 1982 auto Tokens = annotate("@property(weak) id delegate __attribute__(X);"); 1983 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1984 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 1985 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 1986 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 1987 1988 // Generic macro has no special handling in this location. 1989 Tokens = annotate("@property(weak) id delegate A(X);"); 1990 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1991 // Note: Don't check token-type as a random token in this position is hard to 1992 // reason about. 1993 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 1994 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 1995 1996 // Add a custom AttributeMacro. Test that it has the same behavior. 1997 FormatStyle Style = getLLVMStyle(); 1998 Style.AttributeMacros.push_back("A"); 1999 2000 // An "AttributeMacro" gets annotated like '__attribute__'. 2001 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2002 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2003 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2004 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2005 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2006 } 2007 2008 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2009 auto Annotate = [this](llvm::StringRef Code) { 2010 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2011 }; 2012 // Test that unary operators get labeled as such and that operators like '++' 2013 // don't get split. 2014 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2015 tok::tilde, tok::amp, tok::pipe, 2016 tok::caret, tok::plusplus, tok::minusminus}; 2017 for (auto Kind : Unary) { 2018 auto Tokens = 2019 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2020 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2021 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2022 } 2023 // Operators formed by joining two operators like '^~'. For some of these 2024 // joined operators, we don't have a separate type, so we only test for their 2025 // precedence. 2026 std::pair<prec::Level, std::string> JoinedBinary[] = { 2027 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2028 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2029 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2030 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2031 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2032 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2033 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2034 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2035 {prec::Equality, "!="}, {prec::Equality, "==="}, 2036 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2037 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2038 {prec::ExclusiveOr, "^~"}, 2039 }; 2040 for (auto Operator : JoinedBinary) { 2041 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2042 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2043 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2044 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2045 } 2046 // '~^' and '^~' can be unary as well as binary operators. 2047 auto Tokens = Annotate("x = ~^x;"); 2048 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2049 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2050 Tokens = Annotate("x = ^~x;"); 2051 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2052 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2053 // The unary operators '~&' and '~|' can only be unary operators. The current 2054 // implementation treats each of them as separate unary '~' and '&' or '|' 2055 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2056 // there is a test that there is no space in between. And even if a new line 2057 // is inserted between the '~' and '|', the semantic meaning is the same as 2058 // the joined operator, so the CanBreakBefore property doesn't need to be 2059 // false for the second operator. 2060 Tokens = Annotate("x = ~&x;"); 2061 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2062 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2063 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2064 Tokens = Annotate("x = ~|x;"); 2065 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2066 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2067 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2068 // Test for block label colons. 2069 Tokens = Annotate("begin : x\n" 2070 "end : x"); 2071 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2072 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2073 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2074 // Test that the dimension colon is annotated correctly. 2075 Tokens = Annotate("var [1 : 0] x;"); 2076 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2077 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2078 Tokens = Annotate("extern function [1 : 0] x;"); 2079 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2080 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2081 Tokens = Annotate("module test\n" 2082 " (input wire [7 : 0] a[7 : 0]);\n" 2083 "endmodule"); 2084 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2085 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2086 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2087 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2088 // Test case labels and ternary operators. 2089 Tokens = Annotate("case (x)\n" 2090 " x:\n" 2091 " x;\n" 2092 "endcase"); 2093 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2094 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2095 Tokens = Annotate("case (x)\n" 2096 " x ? x : x:\n" 2097 " x;\n" 2098 "endcase"); 2099 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2100 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2101 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2102 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2103 // Non-blocking assignments. 2104 Tokens = Annotate("a <= b;"); 2105 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2106 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2107 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2108 Tokens = Annotate("if (a <= b) break;"); 2109 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2110 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2111 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2112 Tokens = Annotate("a <= b <= a;"); 2113 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2114 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2115 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2116 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2117 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2118 2119 // Port lists in module instantiation. 2120 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2121 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2122 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2123 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2124 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2125 "instance_2(port_2);"); 2126 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2127 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2128 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2129 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2130 2131 // Condition parentheses. 2132 Tokens = Annotate("assert (x);"); 2133 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2134 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2135 Tokens = Annotate("assert #0 (x);"); 2136 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2137 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2138 Tokens = Annotate("assert final (x);"); 2139 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2140 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2141 Tokens = Annotate("foreach (x[x]) continue;"); 2142 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2143 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2144 Tokens = Annotate("repeat (x[x]) continue;"); 2145 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2146 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2147 Tokens = Annotate("case (x) endcase;"); 2148 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2149 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2150 2151 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2152 // future, please adapt if those tokens get annotated. This test is only here 2153 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2154 Tokens = Annotate("always @(posedge x, posedge y);"); 2155 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2156 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2157 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2158 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2159 2160 // String literals in concatenation. 2161 Tokens = Annotate("x = {\"\"};"); 2162 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2163 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2164 Tokens = Annotate("x = {\"\", \"\"};"); 2165 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2166 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2167 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2168 Tokens = Annotate("x = '{{\"\"}};"); 2169 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2170 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2171 // Cases where the string should not be annotated that type. Fix the 2172 // `TT_Unknown` if needed in the future. 2173 Tokens = Annotate("x = {\"\" == \"\"};"); 2174 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2175 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2176 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2177 Tokens = Annotate("x = {(\"\")};"); 2178 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2179 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2180 Tokens = Annotate("x = '{\"\"};"); 2181 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2182 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2183 } 2184 2185 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2186 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2187 ASSERT_TRUE(Style.isTableGen()); 2188 2189 TestLexer Lexer(Allocator, Buffers, Style); 2190 AdditionalKeywords Keywords(Lexer.IdentTable); 2191 auto Annotate = [&Lexer](llvm::StringRef Code) { 2192 return Lexer.annotate(Code); 2193 }; 2194 2195 // Additional keywords representation test. 2196 auto Tokens = Annotate("def foo : Bar<1>;"); 2197 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2198 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2199 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2200 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2201 2202 // Code, the multiline string token. 2203 Tokens = Annotate("[{ code is multiline string }]"); 2204 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2205 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2206 EXPECT_FALSE(Tokens[0]->IsMultiline); 2207 // Case with multiple lines. 2208 Tokens = Annotate("[{ It can break\n" 2209 " across lines and the line breaks\n" 2210 " are retained in \n" 2211 " the string. }]"); 2212 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2213 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2214 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2215 EXPECT_TRUE(Tokens[0]->IsMultiline); 2216 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2217 2218 // Identifier tokens. In TableGen, identifiers can begin with a number. 2219 // In ambiguous cases, the lexer tries to lex it as a number. 2220 // Even if the try fails, it does not fall back to identifier lexing and 2221 // regard as an error. 2222 // The ambiguity is not documented. The result of those tests are based on the 2223 // implementation of llvm::TGLexer::LexToken. 2224 Tokens = Annotate("1234"); 2225 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2226 Tokens = Annotate("0x1abC"); 2227 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2228 // This is invalid syntax of number, but not an identifier. 2229 Tokens = Annotate("0x1234x"); 2230 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2231 Tokens = Annotate("identifier"); 2232 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2233 // Identifier beginning with a number. 2234 Tokens = Annotate("0x"); 2235 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2236 Tokens = Annotate("2dVector"); 2237 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2238 Tokens = Annotate("01234Vector"); 2239 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2240 2241 // Structured statements. 2242 Tokens = Annotate("class Foo {}"); 2243 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2244 Tokens = Annotate("def Def: Foo {}"); 2245 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2246 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2247 Tokens = Annotate("if cond then {} else {}"); 2248 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2249 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2250 Tokens = Annotate("defset Foo Def2 = {}"); 2251 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2252 } 2253 2254 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2255 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2256 2257 // The TT_Unknown is clearly not binding for the future, please adapt if those 2258 // tokens get annotated. 2259 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2260 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2261 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2262 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2263 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2264 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2265 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2266 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2267 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2268 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2269 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2270 2271 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2272 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2273 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2274 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2275 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2276 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2277 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2278 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2279 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2280 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2281 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2282 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2283 2284 Tokens = annotate("class Class {\n" 2285 " Class() : BaseClass() {\n" 2286 "#if 0\n" 2287 " // comment\n" 2288 "#endif\n" 2289 " }\n" 2290 " Class f();\n" 2291 "}"); 2292 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2293 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2294 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2295 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2296 } 2297 2298 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2299 auto Tokens = annotate("if (x) {}"); 2300 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2301 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2302 Tokens = annotate("if constexpr (x) {}"); 2303 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2304 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2305 Tokens = annotate("if CONSTEXPR (x) {}"); 2306 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2307 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2308 Tokens = annotate("if (x) {} else if (x) {}"); 2309 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2310 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2311 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2312 } 2313 2314 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2315 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2316 2317 auto Tokens = annotate("int? a;", Style); 2318 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2319 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2320 2321 Tokens = annotate("int? a = 1;", Style); 2322 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2323 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2324 2325 Tokens = annotate("int?)", Style); 2326 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2327 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2328 2329 Tokens = annotate("int?>", Style); 2330 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2331 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2332 2333 Tokens = annotate("cond? id : id2", Style); 2334 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2335 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2336 2337 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2338 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2339 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2340 } 2341 2342 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2343 auto Tokens = annotate("{ x: break; }"); 2344 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2345 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2346 Tokens = annotate("{ case x: break; }"); 2347 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2348 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2349 Tokens = annotate("{ x: { break; } }"); 2350 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2351 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2352 Tokens = annotate("{ case x: { break; } }"); 2353 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2354 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2355 } 2356 2357 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2358 // The closing braces are not annotated. It doesn't seem to cause a problem. 2359 // So we only test for the opening braces. 2360 auto Tokens = annotate("{\n" 2361 " {\n" 2362 " { int a = 0; }\n" 2363 " }\n" 2364 " {}\n" 2365 "}"); 2366 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2367 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2368 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2369 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2370 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2371 } 2372 2373 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2374 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2375 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2376 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2377 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2378 2379 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2380 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2381 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2382 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2383 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2384 2385 Tokens = annotate("SomeStruct {\n" 2386 "#ifdef FOO\n" 2387 " .a = 1,\n" 2388 "#endif\n" 2389 " .b = 2\n" 2390 "};"); 2391 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2392 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2393 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2394 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2395 2396 Tokens = annotate("SomeStruct {\n" 2397 "#if defined FOO\n" 2398 " .a = 1,\n" 2399 "#endif\n" 2400 " .b = 2\n" 2401 "};"); 2402 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2403 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2404 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2405 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2406 2407 Tokens = annotate("Foo foo[] = {[0]{}};"); 2408 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2409 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2410 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2411 } 2412 2413 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2414 auto Annotate = [this](llvm::StringRef Code) { 2415 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2416 }; 2417 2418 // Dictionary. 2419 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2420 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2421 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2422 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2423 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2424 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2425 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2426 // Change when we need to annotate these. 2427 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2428 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2429 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2430 } 2431 2432 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2433 auto Tokens = annotate("bool foo __attribute__((unused));"); 2434 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2435 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2436 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2437 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2438 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2439 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2440 2441 Tokens = annotate("bool foo __declspec(dllimport);"); 2442 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2443 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2444 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2445 2446 Tokens = annotate("bool __attribute__((unused)) foo;"); 2447 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2448 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2449 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2450 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2451 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2452 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2453 2454 Tokens = annotate("void __attribute__((x)) Foo();"); 2455 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2456 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2457 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2458 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2459 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2460 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2461 2462 FormatStyle Style = getLLVMStyle(); 2463 Style.AttributeMacros.push_back("FOO"); 2464 Tokens = annotate("bool foo FOO(unused);", Style); 2465 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2466 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2467 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2468 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2469 } 2470 2471 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2472 auto Tokens = annotate("while (true) {}"); 2473 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2474 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2475 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2476 2477 Tokens = annotate("for (;;) {}"); 2478 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2479 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2480 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2481 2482 Tokens = annotate("do {} while (true);"); 2483 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2484 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2485 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2486 2487 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2488 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2489 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2490 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2491 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2492 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2493 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2494 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2495 2496 Tokens = annotate("switch (foo) {}"); 2497 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2498 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2499 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2500 } 2501 2502 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2503 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2504 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2505 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2506 2507 Tokens = annotate("do ++i; while ( i > 5 );"); 2508 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2509 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2510 } 2511 2512 TEST_F(TokenAnnotatorTest, StartOfName) { 2513 auto Tokens = annotate("#pragma clang diagnostic push"); 2514 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2515 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2516 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2517 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2518 2519 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2520 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2521 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2522 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2523 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2524 2525 Tokens = annotate("#define FOO Foo foo"); 2526 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2527 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2528 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2529 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2530 } 2531 2532 TEST_F(TokenAnnotatorTest, BraceKind) { 2533 auto Tokens = annotate("void f() {};"); 2534 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2535 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2536 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2537 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2538 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2539 2540 Tokens = annotate("class Foo<int> f() {}"); 2541 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2542 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2543 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2544 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2545 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2546 2547 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2548 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2549 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2550 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2551 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2552 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2553 2554 Tokens = annotate("void f() override {};"); 2555 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2556 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2557 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2558 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2559 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2560 2561 Tokens = annotate("void f() noexcept(false) {};"); 2562 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2563 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2564 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2565 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2566 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2567 2568 Tokens = annotate("auto f() -> void {};"); 2569 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2570 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2571 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2572 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2573 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2574 2575 Tokens = annotate("void f() { /**/ };"); 2576 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2577 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2578 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2579 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2580 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2581 2582 Tokens = annotate("void f() { //\n" 2583 "};"); 2584 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2585 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2586 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2587 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2588 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2589 2590 Tokens = annotate("void f() {\n" 2591 " //\n" 2592 "};"); 2593 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2594 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2595 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2596 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2597 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2598 } 2599 2600 TEST_F(TokenAnnotatorTest, StreamOperator) { 2601 auto Tokens = annotate("\"foo\\n\" << aux << \"foo\\n\" << \"foo\";"); 2602 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2603 EXPECT_FALSE(Tokens[1]->MustBreakBefore); 2604 EXPECT_FALSE(Tokens[3]->MustBreakBefore); 2605 // Only break between string literals if the former ends with \n. 2606 EXPECT_TRUE(Tokens[5]->MustBreakBefore); 2607 } 2608 2609 } // namespace 2610 } // namespace format 2611 } // namespace clang 2612