1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public testing::Test { 28 protected: 29 TokenList annotate(StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 46 do { \ 47 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 48 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 49 } while (false) 50 51 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 52 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 53 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 54 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 55 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 56 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 57 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 59 60 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 61 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 62 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 63 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 64 65 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 66 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 67 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 68 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 69 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 70 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 72 73 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 74 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 75 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 76 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 77 78 Tokens = annotate("void f() {\n" 79 " while (p < a && *p == 'a')\n" 80 " p++;\n" 81 "}"); 82 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 83 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 84 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 85 86 Tokens = annotate("case *x:"); 87 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 88 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 89 Tokens = annotate("case &x:"); 90 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 91 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 92 93 Tokens = annotate("bool b = 3 == int{3} && true;"); 94 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 95 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 96 97 Tokens = annotate("struct {\n" 98 "} *ptr;"); 99 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 100 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 101 Tokens = annotate("union {\n" 102 "} *ptr;"); 103 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 104 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 105 Tokens = annotate("class {\n" 106 "} *ptr;"); 107 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 108 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 109 110 Tokens = annotate("struct {\n" 111 "} &&ptr = {};"); 112 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 113 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 114 Tokens = annotate("union {\n" 115 "} &&ptr = {};"); 116 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 117 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 118 Tokens = annotate("class {\n" 119 "} &&ptr = {};"); 120 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 121 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 122 Tokens = annotate("int i = int{42} * 2;"); 123 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 124 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 125 126 Tokens = annotate("delete[] *ptr;"); 127 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 128 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 129 Tokens = annotate("delete[] **ptr;"); 130 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 131 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 132 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 133 Tokens = annotate("delete[] *(ptr);"); 134 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 135 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 136 137 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 138 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 139 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 140 // FIXME: The star of a function pointer probably makes more sense as 141 // TT_PointerOrReference. 142 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 143 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 144 145 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 146 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 147 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 148 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 149 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 150 151 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 152 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 153 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 154 155 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 156 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 157 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 158 159 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 160 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 161 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 162 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 163 164 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 165 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 166 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 167 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 168 169 Tokens = annotate("Type1 &val1 = val2;"); 170 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 171 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 172 173 Tokens = annotate("Type1 *val1 = &val2;"); 174 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 175 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 176 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 177 178 Tokens = annotate("val1 & val2;"); 179 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 180 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 181 182 Tokens = annotate("val1 & val2.member;"); 183 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 184 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 185 186 Tokens = annotate("val1 & val2.*member;"); 187 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 188 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 189 190 Tokens = annotate("val1.*member & val2;"); 191 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 192 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 193 194 Tokens = annotate("val1 & val2->*member;"); 195 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 196 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 197 198 Tokens = annotate("val1->member & val2;"); 199 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 200 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 201 202 Tokens = annotate("val1 & val2 & val3;"); 203 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 204 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 205 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 206 207 Tokens = annotate("val1 & val2 // comment\n" 208 " & val3;"); 209 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 210 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 211 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 212 213 Tokens = 214 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 215 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 216 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 217 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 218 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 220 221 Tokens = annotate("class c {\n" 222 " void func(type &a) { a & member; }\n" 223 " anotherType &member;\n" 224 "}"); 225 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 226 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 227 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 228 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 229 230 Tokens = annotate("struct S {\n" 231 " auto Mem = C & D;\n" 232 "}"); 233 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 234 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 235 236 Tokens = 237 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 238 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 239 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 240 241 Tokens = annotate("template <typename T> struct S {\n" 242 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 243 "};"); 244 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 245 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 246 247 Tokens = annotate("template <bool B = C && D> struct S {};"); 248 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 249 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 250 251 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 252 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 253 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 254 255 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 256 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 257 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 258 259 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 260 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 261 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 262 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 263 264 Tokens = annotate("Foo<A && B> a = {};"); 265 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 266 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 267 268 Tokens = annotate("Foo<A &&> a = {};"); 269 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 270 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 271 272 Tokens = annotate("template <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 Tokens = annotate("if (new && num) {\n" 314 " new = 1;\n" 315 "}\n" 316 "if (!delete && num) {\n" 317 " delete = 1;\n" 318 "}"); 319 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 320 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 321 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 322 } 323 324 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 325 auto Tokens = annotate("x - 0"); 326 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 327 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 328 Tokens = annotate("0 + 0"); 329 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 330 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 331 Tokens = annotate("x + +0"); 332 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 333 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 334 Tokens = annotate("x ? -0 : +0"); 335 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 336 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 337 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 338 Tokens = annotate("(-0)"); 339 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 340 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 341 Tokens = annotate("0, -0"); 342 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 343 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 344 Tokens = annotate("for (; -1;) {\n}"); 345 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 346 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 347 Tokens = annotate("x = -1;"); 348 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 349 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 350 Tokens = annotate("x[-1]"); 351 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 352 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 353 Tokens = annotate("x = {-1};"); 354 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 355 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 356 Tokens = annotate("case -x:"); 357 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 358 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 359 Tokens = annotate("co_await -x;"); 360 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 361 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 362 Tokens = annotate("co_return -x;"); 363 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 364 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 365 Tokens = annotate("co_yield -x;"); 366 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 367 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 368 Tokens = annotate("delete -x;"); 369 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 370 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 371 Tokens = annotate("return -x;"); 372 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 373 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 374 Tokens = annotate("throw -x;"); 375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 376 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 377 Tokens = annotate("sizeof -x"); 378 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 379 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 380 Tokens = annotate("co_await +x;"); 381 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 382 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 383 Tokens = annotate("co_return +x;"); 384 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 385 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 386 Tokens = annotate("co_yield +x;"); 387 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 388 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 389 Tokens = annotate("delete +x;"); 390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 391 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 392 Tokens = annotate("return +x;"); 393 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 394 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 395 Tokens = annotate("throw +x;"); 396 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 397 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 398 Tokens = annotate("sizeof +x"); 399 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 400 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 401 Tokens = annotate("(int)-x"); 402 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 403 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 404 Tokens = annotate("(-x)"); 405 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 407 Tokens = annotate("!+x"); 408 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 409 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 410 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 411 } 412 413 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 414 auto Tokens = annotate("class C {};"); 415 ASSERT_EQ(Tokens.size(), 6u) << 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("const class C {} c;"); 420 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 421 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 422 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 423 424 Tokens = annotate("const class {} c;"); 425 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 426 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 427 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 428 429 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 430 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 431 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 432 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 433 } 434 435 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 436 auto Tokens = annotate("struct S {};"); 437 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 438 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 439 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 440 441 Tokens = annotate("struct macro(a) S {};"); 442 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 443 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 444 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 445 446 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 447 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 448 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 449 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 450 451 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 452 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 453 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 454 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 455 456 Tokens = annotate("struct macro(a) S {\n" 457 " void f(T &t);\n" 458 "};"); 459 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 460 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 461 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 462 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 463 464 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 465 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 466 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 467 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 468 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 469 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 470 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 471 472 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 473 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 474 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 475 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 476 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 477 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 478 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 479 480 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 481 " void f(T const (&a)[n]);\n" 482 "};"); 483 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 484 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 485 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 486 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 487 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 488 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 489 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 490 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 491 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 492 493 Tokens = annotate("template <typename T, enum E e> struct S {};"); 494 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 495 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 496 497 auto Style = getLLVMStyle(); 498 Style.AttributeMacros.push_back("EXPORT"); 499 Tokens = annotate("struct EXPORT StructName {};", Style); 500 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 501 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 502 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 503 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 504 } 505 506 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 507 auto Tokens = annotate("union U {};"); 508 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 509 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 510 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 511 512 Tokens = annotate("union U { void f() { return; } };"); 513 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 514 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 515 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 516 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 517 } 518 519 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 520 auto Tokens = annotate("enum E {};"); 521 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 522 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 523 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 524 } 525 526 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 527 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 528 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 529 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 530 531 Tokens = annotate("template <typename T> void F(T) && = delete;"); 532 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 533 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 534 } 535 536 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 537 auto Tokens = 538 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 539 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 540 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 541 } 542 543 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 544 auto Tokens = 545 annotate("template <typename T> " 546 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 547 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 548 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 549 } 550 551 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 552 auto Tokens = 553 annotate("#define FOO(typeName) \\\n" 554 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 555 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 556 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 557 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 558 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 559 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 560 } 561 562 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 563 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 564 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 565 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 566 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 567 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 568 } 569 570 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 571 auto Tokens = annotate("return a < b && c > d;"); 572 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 573 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 574 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 575 576 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 577 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 578 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 579 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 580 581 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 582 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 583 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 584 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 585 } 586 587 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 588 FormatStyle Style = getLLVMStyle(); 589 Style.WhitespaceSensitiveMacros.push_back("FOO"); 590 591 auto Tokens = annotate("FOO(1+2 )", Style); 592 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 593 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 594 595 Tokens = annotate("FOO(a:b:c)", Style); 596 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 597 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 598 } 599 600 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 601 auto Tokens = annotate("delete (void *)p;"); 602 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 603 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 604 605 Tokens = annotate("delete[] (void *)p;"); 606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 607 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 608 609 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 610 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 611 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 612 613 Tokens = annotate("delete[/*comment*/] (void *)p;"); 614 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 615 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 616 617 Tokens = annotate("delete/*comment*/[] (void *)p;"); 618 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 619 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 620 } 621 622 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 623 auto Tokens = annotate("(void)p;"); 624 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 625 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 626 627 Tokens = annotate("(uint32_t)&&label;"); 628 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 629 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 630 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 631 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 632 633 Tokens = annotate("auto x = (Foo)p;"); 634 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 635 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 636 637 Tokens = annotate("(std::vector<int>)p;"); 638 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 639 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 640 641 Tokens = annotate("return (Foo)p;"); 642 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 643 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 644 645 Tokens = annotate("throw (Foo)p;"); 646 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 647 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 648 649 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 650 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 651 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 652 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 653 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 654 655 Tokens = annotate("#define foo(i) ((i) - bar)"); 656 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 657 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 658 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 659 660 Tokens = annotate("return (Foo) & 10;"); 661 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 662 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 663 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 664 665 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 666 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 667 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 668 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 669 670 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 671 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 672 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 673 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 674 675 auto Style = getLLVMStyle(); 676 Style.TypeNames.push_back("Foo"); 677 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 678 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 679 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 680 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 681 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 682 } 683 684 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 685 auto Tokens = annotate("void f() throw(int);"); 686 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 687 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 688 } 689 690 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 691 auto Tokens = annotate("void f() &;"); 692 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 693 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 694 695 Tokens = annotate("void operator=(T) &&;"); 696 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 697 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 698 699 Tokens = annotate("template <typename T> void f() &;"); 700 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 701 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 702 703 Tokens = annotate("template <typename T> void operator=(T) &;"); 704 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 705 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 706 } 707 708 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 709 auto Tokens = annotate("x.operator+()"); 710 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 711 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 712 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 713 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 714 Tokens = annotate("x.operator=()"); 715 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 716 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 717 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 718 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 719 Tokens = annotate("x.operator+=()"); 720 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 721 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 722 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 723 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 724 Tokens = annotate("x.operator,()"); 725 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 726 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 727 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 728 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 729 Tokens = annotate("x.operator()()"); 730 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 731 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 732 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 733 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 734 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 735 Tokens = annotate("x.operator[]()"); 736 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 737 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 738 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 739 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 740 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 741 Tokens = annotate("x.operator\"\"_a()"); 742 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 743 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 744 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 745 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 746 Tokens = annotate("x.operator\"\" _a()"); 747 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 748 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 749 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 750 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 751 Tokens = annotate("x.operator\"\"if()"); 752 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 753 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 754 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 755 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 756 Tokens = annotate("x.operator\"\"s()"); 757 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 758 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 759 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 760 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 761 Tokens = annotate("x.operator\"\" s()"); 762 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 763 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 764 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 765 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 766 767 Tokens = annotate("int operator+(int);"); 768 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 769 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 770 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 771 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 772 Tokens = annotate("auto operator=(T&) {}"); 773 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 774 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 775 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 776 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 777 Tokens = annotate("auto operator()() {}"); 778 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 779 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 780 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 781 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 782 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 783 784 Tokens = annotate("class Foo {\n" 785 " int operator+(a* b);\n" 786 "}"); 787 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 788 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 789 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 790 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 791 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 792 793 Tokens = annotate("class Foo {\n" 794 " int c = operator+(a * b);\n" 795 "}"); 796 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 797 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 798 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 799 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 800 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 801 802 Tokens = annotate("void foo() {\n" 803 " operator+(a * b);\n" 804 "}"); 805 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 806 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 807 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 808 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 809 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 810 811 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 812 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 813 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 814 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 815 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 816 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 817 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 818 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 819 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 820 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 821 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 822 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 823 824 Tokens = annotate("class Foo {\n" 825 " void foo() {\n" 826 " operator+(a * b);\n" 827 " }\n" 828 "}"); 829 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 830 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 831 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 832 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 833 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 834 835 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 836 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 837 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 838 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 839 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 840 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 841 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 842 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 843 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 844 845 Tokens = annotate("decltype(auto) operator()(T &x);"); 846 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 847 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 848 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 849 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 850 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 851 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 852 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 853 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 854 } 855 856 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 857 struct { 858 const char *Text; 859 tok::TokenKind Kind; 860 } Operators[] = {{"+", tok::plus}, 861 {"-", tok::minus}, 862 // FIXME: 863 // {"*", tok::star}, 864 {"/", tok::slash}, 865 {"%", tok::percent}, 866 {"^", tok::caret}, 867 // FIXME: 868 // {"&", tok::amp}, 869 {"|", tok::pipe}, 870 {"~", tok::tilde}, 871 {"!", tok::exclaim}, 872 {"=", tok::equal}, 873 // FIXME: 874 // {"<", tok::less}, 875 {">", tok::greater}, 876 {"+=", tok::plusequal}, 877 {"-=", tok::minusequal}, 878 {"*=", tok::starequal}, 879 {"/=", tok::slashequal}, 880 {"%=", tok::percentequal}, 881 {"^=", tok::caretequal}, 882 {"&=", tok::ampequal}, 883 {"|=", tok::pipeequal}, 884 {"<<", tok::lessless}, 885 {">>", tok::greatergreater}, 886 {">>=", tok::greatergreaterequal}, 887 {"<<=", tok::lesslessequal}, 888 {"==", tok::equalequal}, 889 {"!=", tok::exclaimequal}, 890 {"<=", tok::lessequal}, 891 {">=", tok::greaterequal}, 892 {"<=>", tok::spaceship}, 893 {"&&", tok::ampamp}, 894 {"||", tok::pipepipe}, 895 {"++", tok::plusplus}, 896 {"--", tok::minusminus}, 897 {",", tok::comma}, 898 {"->*", tok::arrowstar}, 899 {"->", tok::arrow}}; 900 901 for (const auto &Operator : Operators) { 902 std::string Input("C<&operator"); 903 Input += Operator.Text; 904 Input += " > a;"; 905 auto Tokens = annotate(std::string(Input)); 906 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 907 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 908 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 909 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 910 } 911 912 auto Tokens = annotate("C<&operator< <X>> lt;"); 913 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 914 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 915 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 916 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 917 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 918 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 919 } 920 921 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 922 auto Tokens = annotate("template <typename T>\n" 923 "concept C = (Foo && Bar) && (Bar && Baz);"); 924 925 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 926 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 927 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 928 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 929 930 Tokens = annotate("template <typename T>\n" 931 "concept C = Foo && !Bar;"); 932 933 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 934 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 935 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 936 937 Tokens = annotate("template <typename T>\n" 938 "concept C = requires(T t) {\n" 939 " { t.foo() };\n" 940 "} && Bar<T> && Baz<T>;"); 941 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 942 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 943 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 944 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 945 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 946 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 947 948 Tokens = annotate("template<typename T>\n" 949 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 950 "struct Foo;"); 951 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 952 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 953 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 954 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 955 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 956 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 957 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 958 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 959 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 960 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 961 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 962 963 Tokens = 964 annotate("template<typename T>\n" 965 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 966 "struct Foo;"); 967 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 968 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 969 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 970 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 971 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 972 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 973 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 974 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 975 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 976 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 977 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 978 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 979 980 Tokens = annotate("template <typename T>\n" 981 "void foo(T) noexcept requires Bar<T>;"); 982 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 983 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 984 985 Tokens = annotate("template <typename T>\n" 986 "requires Bar<T> || Baz<T>\n" 987 "auto foo(T) -> int;"); 988 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 989 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 990 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 991 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 992 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 993 994 Tokens = annotate("template <typename T>\n" 995 "requires Bar<T>\n" 996 "bool foo(T) { return false; }"); 997 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 998 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 999 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1000 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1001 1002 Tokens = annotate("template <typename T>\n" 1003 "requires Bar<T>\n" 1004 "decltype(auto) foo(T) { return false; }"); 1005 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1006 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1007 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1008 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1009 1010 Tokens = annotate("template <typename T>\n" 1011 "struct S {\n" 1012 " void foo() const requires Bar<T>;\n" 1013 " void bar() const & requires Baz<T>;\n" 1014 " void bar() && requires Baz2<T>;\n" 1015 " void baz() const & noexcept requires Baz<T>;\n" 1016 " void baz() && noexcept requires Baz2<T>;\n" 1017 "};\n" 1018 "\n" 1019 "void S::bar() const & requires Baz<T> { }"); 1020 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1021 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1022 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1023 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1024 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1025 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1026 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1027 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1028 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1029 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1030 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1031 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1032 1033 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1034 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1035 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1036 1037 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1038 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1039 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1040 1041 Tokens = 1042 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1043 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1044 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1045 1046 Tokens = annotate("void Class::member() && requires(typename " 1047 "Namespace::Outer<T>::Inner::Constant) {}"); 1048 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1049 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1050 1051 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1052 " template<class T>\n" 1053 " requires requires { number_zero_v<T>; }\n" 1054 " [[nodiscard]] constexpr operator T() const { " 1055 "return number_zero_v<T>; }\n" 1056 "};"); 1057 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1058 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1059 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1060 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1061 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1062 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1063 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1064 1065 Tokens = 1066 annotate("template <class A, class B> concept C =" 1067 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1068 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1069 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1070 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1071 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1072 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1073 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1074 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1075 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1076 1077 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1078 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1079 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1080 1081 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1082 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1083 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1084 1085 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1086 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1087 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1088 1089 Tokens = 1090 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1091 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1092 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1093 1094 Tokens = 1095 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1096 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1097 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1098 1099 Tokens = 1100 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1101 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1102 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1103 1104 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1105 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1106 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1107 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1108 1109 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1110 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1111 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1112 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1113 1114 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1115 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1116 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1117 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1118 1119 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1120 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1121 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1122 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1123 1124 Tokens = annotate("void f() & requires(true) {}"); 1125 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1126 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1127 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1128 1129 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1130 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1131 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1132 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1133 1134 Tokens = annotate("template <typename T>\n" 1135 "concept C = (!Foo<T>) && Bar;"); 1136 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1137 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1138 1139 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1141 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1142 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1143 1144 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1145 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1146 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1147 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1148 1149 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1150 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1151 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1152 1153 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1154 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1155 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1156 1157 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1158 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1159 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1160 } 1161 1162 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1163 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1164 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1165 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1166 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1167 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1168 1169 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1170 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1171 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1172 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1173 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1174 1175 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1176 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1177 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1178 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1179 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1180 1181 Tokens = annotate("foo(requires(const T t) {});"); 1182 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1183 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1184 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1185 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1186 1187 Tokens = annotate("foo(requires(const int t) {});"); 1188 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1189 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1190 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1191 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1192 1193 Tokens = annotate("foo(requires(const T t) {});"); 1194 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1195 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1196 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1197 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1198 1199 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1200 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1201 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1202 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1203 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1204 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1205 1206 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1207 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1208 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1209 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1210 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1211 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1212 1213 Tokens = annotate("foo(requires(T& t) {});"); 1214 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1215 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1216 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1217 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1218 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1219 1220 Tokens = annotate("foo(requires(T&& t) {});"); 1221 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1222 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1223 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1224 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1225 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1226 1227 Tokens = annotate("bool foo = requires(T& t) {};"); 1228 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1229 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1230 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1231 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1232 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1233 1234 Tokens = annotate("bool foo = requires(T&& t) {};"); 1235 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1236 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1237 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1238 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1239 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1240 1241 Tokens = 1242 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1243 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1244 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1245 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1246 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1247 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1248 1249 Tokens = annotate("template <typename T>\n" 1250 "concept C = requires(T T) {\n" 1251 " requires Bar<T> && Foo<T>;\n" 1252 "};"); 1253 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1254 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1255 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1256 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1257 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1258 TT_RequiresClauseInARequiresExpression); 1259 1260 Tokens = annotate("template <typename T>\n" 1261 "concept C = requires(T T) {\n" 1262 " { t.func() } -> std::same_as<int>;" 1263 " requires Bar<T> && Foo<T>;\n" 1264 "};"); 1265 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1266 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1267 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1268 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1269 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1270 TT_RequiresClauseInARequiresExpression); 1271 1272 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1273 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1274 "requires true; };"); 1275 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1276 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1277 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1278 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1279 1280 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1281 " { c.foo(); }\n" 1282 "};"); 1283 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1284 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1285 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1286 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1287 } 1288 1289 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1290 // Everything after #pragma region should be ImplicitStringLiteral 1291 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1292 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1293 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1294 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1295 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1296 1297 // Make sure it's annotated correctly inside a function as well 1298 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1299 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1300 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1301 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1302 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1303 } 1304 1305 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1306 const char *BaseCode = nullptr; 1307 const char *ConstrainedCode = nullptr; 1308 auto BaseTokenCount = 0u; 1309 auto RequiresTokenCount = 0u; 1310 auto PrefixTokenCount = 0u; 1311 1312 auto TestRequires = [&](int Line) { 1313 const auto BaseTokens = annotate(BaseCode); 1314 const auto ConstrainedTokens = annotate(ConstrainedCode); 1315 1316 #define LINE " (Line " << Line << ')' 1317 1318 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1319 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1320 << LINE; 1321 1322 for (auto I = 0u; I < BaseTokenCount; ++I) { 1323 EXPECT_EQ( 1324 *BaseTokens[I], 1325 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1326 << I << LINE; 1327 } 1328 1329 #undef LINE 1330 }; 1331 1332 BaseCode = "template<typename T>\n" 1333 "T Pi = 3.14;"; 1334 ConstrainedCode = "template<typename T>\n" 1335 " requires Foo<T>\n" 1336 "T Pi = 3.14;"; 1337 BaseTokenCount = 11; 1338 RequiresTokenCount = 5; 1339 PrefixTokenCount = 5; 1340 TestRequires(__LINE__); 1341 1342 BaseCode = "template<typename T>\n" 1343 "struct Bar;"; 1344 ConstrainedCode = "template<typename T>\n" 1345 " requires Foo<T>\n" 1346 "struct Bar;"; 1347 BaseTokenCount = 9; 1348 TestRequires(__LINE__); 1349 1350 BaseCode = "template<typename T>\n" 1351 "struct Bar {\n" 1352 " T foo();\n" 1353 " T bar();\n" 1354 "};"; 1355 ConstrainedCode = "template<typename T>\n" 1356 " requires Foo<T>\n" 1357 "struct Bar {\n" 1358 " T foo();\n" 1359 " T bar();\n" 1360 "};"; 1361 BaseTokenCount = 21; 1362 TestRequires(__LINE__); 1363 1364 BaseCode = "template<typename T>\n" 1365 "Bar(T) -> Bar<T>;"; 1366 ConstrainedCode = "template<typename T>\n" 1367 " requires Foo<T>\n" 1368 "Bar(T) -> Bar<T>;"; 1369 BaseTokenCount = 16; 1370 TestRequires(__LINE__); 1371 1372 BaseCode = "template<typename T>\n" 1373 "T foo();"; 1374 ConstrainedCode = "template<typename T>\n" 1375 " requires Foo<T>\n" 1376 "T foo();"; 1377 BaseTokenCount = 11; 1378 TestRequires(__LINE__); 1379 1380 BaseCode = "template<typename T>\n" 1381 "T foo() {\n" 1382 " auto bar = baz();\n" 1383 " return bar + T{};\n" 1384 "}"; 1385 ConstrainedCode = "template<typename T>\n" 1386 " requires Foo<T>\n" 1387 "T foo() {\n" 1388 " auto bar = baz();\n" 1389 " return bar + T{};\n" 1390 "}"; 1391 BaseTokenCount = 26; 1392 TestRequires(__LINE__); 1393 1394 BaseCode = "template<typename T>\n" 1395 "T foo();"; 1396 ConstrainedCode = "template<typename T>\n" 1397 "T foo() requires Foo<T>;"; 1398 BaseTokenCount = 11; 1399 PrefixTokenCount = 9; 1400 TestRequires(__LINE__); 1401 1402 BaseCode = "template<typename T>\n" 1403 "T foo() {\n" 1404 " auto bar = baz();\n" 1405 " return bar + T{};\n" 1406 "}"; 1407 ConstrainedCode = "template<typename T>\n" 1408 "T foo() requires Foo<T> {\n" 1409 " auto bar = baz();\n" 1410 " return bar + T{};\n" 1411 "}"; 1412 BaseTokenCount = 26; 1413 TestRequires(__LINE__); 1414 1415 BaseCode = "template<typename T>\n" 1416 "T foo();"; 1417 ConstrainedCode = "template<typename T>\n" 1418 " requires(Foo<T>)\n" 1419 "T foo();"; 1420 BaseTokenCount = 11; 1421 RequiresTokenCount = 7; 1422 PrefixTokenCount = 5; 1423 TestRequires(__LINE__); 1424 1425 BaseCode = "template<typename T>\n" 1426 "Bar(T) -> Bar<typename T::I>;"; 1427 ConstrainedCode = "template<typename T>\n" 1428 " requires requires(T &&t) {\n" 1429 " typename T::I;\n" 1430 " }\n" 1431 "Bar(T) -> Bar<typename T::I>;"; 1432 BaseTokenCount = 19; 1433 RequiresTokenCount = 14; 1434 PrefixTokenCount = 5; 1435 TestRequires(__LINE__); 1436 1437 BaseCode = "struct [[nodiscard]] zero_t {\n" 1438 " template<class T>\n" 1439 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1440 "};"; 1441 ConstrainedCode = 1442 "struct [[nodiscard]] zero_t {\n" 1443 " template<class T>\n" 1444 " requires requires { v<T>; }\n" 1445 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1446 "};"; 1447 BaseTokenCount = 35; 1448 RequiresTokenCount = 9; 1449 PrefixTokenCount = 13; 1450 TestRequires(__LINE__); 1451 1452 BaseCode = "constexpr Foo(Foo const &other)\n" 1453 " : value{other.value} {\n" 1454 " do_magic();\n" 1455 " do_more_magic();\n" 1456 "}"; 1457 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1458 " requires std::is_copy_constructible<T>\n" 1459 " : value{other.value} {\n" 1460 " do_magic();\n" 1461 " do_more_magic();\n" 1462 "}"; 1463 BaseTokenCount = 26; 1464 RequiresTokenCount = 7; 1465 PrefixTokenCount = 8; 1466 TestRequires(__LINE__); 1467 1468 BaseCode = "constexpr Foo(Foo const &other)\n" 1469 " : value{other.value} {\n" 1470 " do_magic();\n" 1471 " do_more_magic();\n" 1472 "}"; 1473 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1474 " requires (std::is_copy_constructible<T>)\n" 1475 " : value{other.value} {\n" 1476 " do_magic();\n" 1477 " do_more_magic();\n" 1478 "}"; 1479 RequiresTokenCount = 9; 1480 TestRequires(__LINE__); 1481 1482 BaseCode = "template<typename T>\n" 1483 "ANNOTATE(\"S\"\n" 1484 " \"S\")\n" 1485 "void foo();"; 1486 ConstrainedCode = "template<typename T>\n" 1487 " requires(true)\n" 1488 "ANNOTATE(\"S\"\n" 1489 " \"S\")\n" 1490 "void foo();"; 1491 BaseTokenCount = 16; 1492 RequiresTokenCount = 4; 1493 PrefixTokenCount = 5; 1494 TestRequires(__LINE__); 1495 } 1496 1497 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1498 auto Tokens = annotate("__asm{\n" 1499 "a:\n" 1500 "};"); 1501 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1502 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1503 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1504 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1505 } 1506 1507 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1508 auto Tokens = annotate("int (^)() = ^ ()\n" 1509 " external_source_symbol() { //\n" 1510 " return 1;\n" 1511 "};"); 1512 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1513 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1514 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1515 1516 Tokens = annotate("int *p = ^int*(){ //\n" 1517 " return nullptr;\n" 1518 "}();"); 1519 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1520 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1521 } 1522 1523 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1524 auto Tokens = annotate("void f() {\n" 1525 " //\n" 1526 " BOOL a = [b.c n] > 1;\n" 1527 "}"); 1528 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1529 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1530 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1531 } 1532 1533 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1534 auto Tokens = annotate("[]() constexpr {}"); 1535 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1536 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1537 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1538 1539 Tokens = annotate("[]() consteval {}"); 1540 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1541 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1542 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1543 1544 Tokens = annotate("[]() mutable {}"); 1545 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1546 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1547 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1548 1549 Tokens = annotate("[]() static {}"); 1550 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1551 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1552 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1553 1554 Tokens = annotate("[]() -> auto {}"); 1555 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1556 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1557 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1558 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1559 1560 Tokens = annotate("[]() -> auto & {}"); 1561 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1562 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1563 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1564 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1565 1566 Tokens = annotate("[]() -> auto * {}"); 1567 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1568 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1569 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1570 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1571 1572 Tokens = annotate("[] {}"); 1573 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1574 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1575 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1576 1577 Tokens = annotate("[] noexcept {}"); 1578 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1579 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1580 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1581 1582 Tokens = annotate("[] -> auto {}"); 1583 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1584 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1585 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1586 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1587 1588 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1589 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1590 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1591 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1592 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1593 1594 Tokens = annotate("[] <typename T> () {}"); 1595 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1596 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1597 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1598 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1599 1600 Tokens = annotate("[] <typename T> {}"); 1601 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1602 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1603 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1604 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1605 1606 Tokens = annotate("[] <typename... T> () {}"); 1607 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1608 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1609 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1610 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1611 1612 Tokens = annotate("[] <typename... T> {}"); 1613 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1614 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1615 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1616 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1617 1618 Tokens = annotate("[] <int... T> () {}"); 1619 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1620 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1621 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1622 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1623 1624 Tokens = annotate("[] <int... T> {}"); 1625 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1626 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1627 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1628 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1629 1630 Tokens = annotate("[] <Foo... T> () {}"); 1631 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1632 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1633 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1634 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1635 1636 Tokens = annotate("[] <Foo... T> {}"); 1637 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1638 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1639 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1640 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1641 1642 // Lambdas with a requires-clause 1643 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1644 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1645 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1646 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1647 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1648 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1649 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1650 1651 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1652 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1653 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1654 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1655 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1656 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1657 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1658 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1659 1660 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1661 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1662 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1663 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1664 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1665 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1666 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1667 1668 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1669 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1670 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1671 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1672 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1673 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1674 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1675 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1676 1677 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1678 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1679 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1680 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1681 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1682 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1683 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1684 1685 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1686 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1687 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1688 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1689 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1690 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1691 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1692 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1693 1694 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1695 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1696 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1697 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1698 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1699 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1700 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1701 1702 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1703 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1704 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1705 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1706 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1707 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1708 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1709 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1710 1711 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1712 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1713 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1714 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1715 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1716 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1717 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1718 1719 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1720 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1721 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1722 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1723 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1724 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1725 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1726 1727 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1728 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1729 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1730 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1731 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1732 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1733 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1734 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1735 1736 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1737 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1738 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1739 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1740 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1741 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1742 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1743 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1744 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1745 1746 Tokens = annotate("[] <typename T = int> (T t) {}"); 1747 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1748 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1749 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1750 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1751 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1752 1753 Tokens = annotate("[] <int I = 0> (T t) {}"); 1754 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1755 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1756 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1757 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1758 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1759 1760 Tokens = annotate("[] <bool b = false> (T t) {}"); 1761 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1762 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1763 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1764 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1765 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1766 1767 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1768 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1769 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1770 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1771 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1772 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1773 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1774 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1775 1776 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1777 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1778 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1779 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1780 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1781 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1782 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1783 } 1784 1785 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1786 auto Tokens = annotate("template <typename T>\n" 1787 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1788 "string OldFunction(const string ¶meter) {}"); 1789 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1790 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1791 1792 Tokens = annotate("template <typename T>\n" 1793 "A(T) noexcept;"); 1794 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1795 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1796 } 1797 1798 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1799 auto Tokens = annotate("void f [[noreturn]] ();"); 1800 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1801 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1802 1803 Tokens = annotate("void f [[noreturn]] () {}"); 1804 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1805 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1806 1807 Tokens = annotate("#define FOO Foo::\n" 1808 "FOO Foo();"); 1809 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1810 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1811 1812 Tokens = annotate("struct Foo {\n" 1813 " Bar (*func)();\n" 1814 "};"); 1815 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1816 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1817 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1818 1819 Tokens = annotate("void instanceof();"); 1820 ASSERT_EQ(Tokens.size(), 6u); 1821 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1822 1823 Tokens = annotate("int iso_time(time_t);"); 1824 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1825 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1826 1827 auto Style = getLLVMStyle(); 1828 Style.TypeNames.push_back("MyType"); 1829 Tokens = annotate("int iso_time(MyType);", Style); 1830 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1831 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1832 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1833 } 1834 1835 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1836 auto Tokens = annotate("class Foo { public: Foo(); };"); 1837 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1838 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1839 1840 Tokens = annotate("class Foo { public: ~Foo(); };"); 1841 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1842 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1843 1844 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1845 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1846 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1847 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1848 1849 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1850 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1851 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1852 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1853 1854 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1855 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1856 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1857 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1858 1859 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1860 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1861 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1862 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1863 1864 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1865 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1866 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1867 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1868 1869 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1870 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1871 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1872 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1873 1874 Tokens = annotate("Foo::Foo() {}"); 1875 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1876 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1877 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1878 1879 Tokens = annotate("Foo::~Foo() {}"); 1880 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1881 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1882 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1883 1884 Tokens = annotate("struct Test {\n" 1885 " Test()\n" 1886 " : l([] {\n" 1887 " Short::foo();\n" 1888 " }) {}\n" 1889 "};"); 1890 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1891 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1892 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1893 } 1894 1895 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1896 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1897 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1898 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1899 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1900 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1901 } 1902 1903 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1904 auto Tokens = annotate("auto f() -> int;"); 1905 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1906 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1907 1908 Tokens = annotate("auto operator->() -> int;"); 1909 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1910 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1911 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1912 1913 Tokens = annotate("auto operator++(int) -> int;"); 1914 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1915 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1916 1917 Tokens = annotate("auto operator=() -> int;"); 1918 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1919 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1920 1921 Tokens = annotate("auto operator=(int) -> int;"); 1922 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1923 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1924 1925 Tokens = annotate("auto foo() -> auto { return Val; }"); 1926 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1927 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1928 1929 Tokens = annotate("struct S { auto bar() const -> int; };"); 1930 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1931 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1932 1933 // Not trailing return arrows 1934 Tokens = annotate("auto a = b->c;"); 1935 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1936 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1937 1938 Tokens = annotate("auto a = (b)->c;"); 1939 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1940 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1941 1942 Tokens = annotate("auto a = b()->c;"); 1943 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1944 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1945 1946 Tokens = annotate("auto a = b->c();"); 1947 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1948 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1949 1950 Tokens = annotate("decltype(auto) a = b()->c;"); 1951 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1952 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1953 1954 Tokens = annotate("void f() { auto a = b->c(); }"); 1955 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1956 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1957 1958 Tokens = annotate("void f() { auto a = b()->c; }"); 1959 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1960 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1961 1962 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1963 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1964 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1965 1966 Tokens = annotate("void f() FOO(foo->bar);"); 1967 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1968 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 1969 1970 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 1971 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1972 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1973 1974 // Mixed 1975 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1976 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1977 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1978 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1979 } 1980 1981 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 1982 auto Tokens = annotate("#define Foo(Bar) \\\n" 1983 " { \\\n" 1984 " #Bar \\\n" 1985 " }"); 1986 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1987 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1988 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1989 1990 Tokens = annotate("#define Foo(Bar) \\\n" 1991 " { #Bar }"); 1992 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1993 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1994 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1995 1996 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 1997 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 1998 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 1999 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2000 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2001 } 2002 2003 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2004 // '__attribute__' has special handling. 2005 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2006 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2007 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2008 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2009 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2010 2011 // Generic macro has no special handling in this location. 2012 Tokens = annotate("A(X) void Foo(void);"); 2013 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2014 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2015 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2016 2017 // Add a custom AttributeMacro. Test that it has the same behavior. 2018 FormatStyle Style = getLLVMStyle(); 2019 Style.AttributeMacros.push_back("A"); 2020 2021 // An "AttributeMacro" gets annotated like '__attribute__'. 2022 Tokens = annotate("A(X) void Foo(void);", Style); 2023 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2024 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2025 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2026 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2027 } 2028 2029 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2030 // '__attribute__' has special handling. 2031 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2032 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2033 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2034 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2035 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2036 2037 // Generic macro has no special handling in this location. 2038 Tokens = annotate("A(X) @interface Foo"); 2039 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2040 // Note: Don't check token-type as a random token in this position is hard to 2041 // reason about. 2042 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2043 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2044 2045 // Add a custom AttributeMacro. Test that it has the same behavior. 2046 FormatStyle Style = getLLVMStyle(); 2047 Style.AttributeMacros.push_back("A"); 2048 2049 // An "AttributeMacro" gets annotated like '__attribute__'. 2050 Tokens = annotate("A(X) @interface Foo", Style); 2051 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2052 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2053 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2054 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2055 } 2056 2057 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2058 // '__attribute__' has special handling. 2059 auto Tokens = annotate("- (id)init __attribute__((X));"); 2060 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2061 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2062 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2063 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2064 2065 // Generic macro has no special handling in this location. 2066 Tokens = annotate("- (id)init A(X);"); 2067 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2068 // Note: Don't check token-type as a random token in this position is hard to 2069 // reason about. 2070 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2071 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2072 2073 // Add a custom AttributeMacro. Test that it has the same behavior. 2074 FormatStyle Style = getLLVMStyle(); 2075 Style.AttributeMacros.push_back("A"); 2076 2077 // An "AttributeMacro" gets annotated like '__attribute__'. 2078 Tokens = annotate("- (id)init A(X);", Style); 2079 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2080 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2081 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2082 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2083 } 2084 2085 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2086 // '__attribute__' has special handling. 2087 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2088 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2089 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2090 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2091 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2092 2093 // Generic macro has no special handling in this location. 2094 Tokens = annotate("@property(weak) id delegate A(X);"); 2095 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2096 // Note: Don't check token-type as a random token in this position is hard to 2097 // reason about. 2098 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2099 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2100 2101 // Add a custom AttributeMacro. Test that it has the same behavior. 2102 FormatStyle Style = getLLVMStyle(); 2103 Style.AttributeMacros.push_back("A"); 2104 2105 // An "AttributeMacro" gets annotated like '__attribute__'. 2106 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2107 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2108 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2109 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2110 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2111 } 2112 2113 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2114 auto Annotate = [this](StringRef Code) { 2115 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2116 }; 2117 // Test that unary operators get labeled as such and that operators like '++' 2118 // don't get split. 2119 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2120 tok::tilde, tok::amp, tok::pipe, 2121 tok::caret, tok::plusplus, tok::minusminus}; 2122 for (auto Kind : Unary) { 2123 auto Tokens = 2124 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2125 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2126 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2127 } 2128 // Operators formed by joining two operators like '^~'. For some of these 2129 // joined operators, we don't have a separate type, so we only test for their 2130 // precedence. 2131 std::pair<prec::Level, std::string> JoinedBinary[] = { 2132 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2133 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2134 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2135 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2136 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2137 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2138 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2139 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2140 {prec::Equality, "!="}, {prec::Equality, "==="}, 2141 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2142 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2143 {prec::ExclusiveOr, "^~"}, 2144 }; 2145 for (auto Operator : JoinedBinary) { 2146 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2147 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2148 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2149 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2150 } 2151 // '~^' and '^~' can be unary as well as binary operators. 2152 auto Tokens = Annotate("x = ~^x;"); 2153 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2154 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2155 Tokens = Annotate("x = ^~x;"); 2156 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2157 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2158 // The unary operators '~&' and '~|' can only be unary operators. The current 2159 // implementation treats each of them as separate unary '~' and '&' or '|' 2160 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2161 // there is a test that there is no space in between. And even if a new line 2162 // is inserted between the '~' and '|', the semantic meaning is the same as 2163 // the joined operator, so the CanBreakBefore property doesn't need to be 2164 // false for the second operator. 2165 Tokens = Annotate("x = ~&x;"); 2166 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2167 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2168 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2169 Tokens = Annotate("x = ~|x;"); 2170 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2171 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2172 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2173 // Test for block label colons. 2174 Tokens = Annotate("begin : x\n" 2175 "end : x"); 2176 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2177 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2178 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2179 // Test that the dimension colon is annotated correctly. 2180 Tokens = Annotate("var [1 : 0] x;"); 2181 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2182 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2183 Tokens = Annotate("extern function [1 : 0] x;"); 2184 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2185 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2186 Tokens = Annotate("module test\n" 2187 " (input wire [7 : 0] a[7 : 0]);\n" 2188 "endmodule"); 2189 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2190 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2191 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2192 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2193 // Test case labels and ternary operators. 2194 Tokens = Annotate("case (x)\n" 2195 " x:\n" 2196 " x;\n" 2197 "endcase"); 2198 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2199 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2200 Tokens = Annotate("case (x)\n" 2201 " x ? x : x:\n" 2202 " x;\n" 2203 "endcase"); 2204 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2205 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2206 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2207 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2208 // Non-blocking assignments. 2209 Tokens = Annotate("a <= b;"); 2210 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2211 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2212 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2213 Tokens = Annotate("if (a <= b) break;"); 2214 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2215 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2216 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2217 Tokens = Annotate("a <= b <= a;"); 2218 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2219 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2220 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2221 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2222 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2223 2224 // Port lists in module instantiation. 2225 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2226 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2227 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2228 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2229 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2230 "instance_2(port_2);"); 2231 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2232 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2233 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2234 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2235 2236 // Condition parentheses. 2237 Tokens = Annotate("assert (x);"); 2238 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2239 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2240 Tokens = Annotate("assert #0 (x);"); 2241 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2242 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2243 Tokens = Annotate("assert final (x);"); 2244 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2245 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2246 Tokens = Annotate("foreach (x[x]) continue;"); 2247 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2248 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2249 Tokens = Annotate("repeat (x[x]) continue;"); 2250 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2251 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2252 Tokens = Annotate("case (x) endcase;"); 2253 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2254 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2255 2256 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2257 // future, please adapt if those tokens get annotated. This test is only here 2258 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2259 Tokens = Annotate("always @(posedge x, posedge y);"); 2260 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2261 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2262 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2263 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2264 2265 // String literals in concatenation. 2266 Tokens = Annotate("x = {\"\"};"); 2267 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2268 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2269 Tokens = Annotate("x = {\"\", \"\"};"); 2270 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2271 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2272 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2273 Tokens = Annotate("x = '{{\"\"}};"); 2274 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2275 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2276 // Cases where the string should not be annotated that type. Fix the 2277 // `TT_Unknown` if needed in the future. 2278 Tokens = Annotate("x = {\"\" == \"\"};"); 2279 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2280 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2281 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2282 Tokens = Annotate("x = {(\"\")};"); 2283 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2284 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2285 Tokens = Annotate("x = '{\"\"};"); 2286 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2287 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2288 } 2289 2290 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2291 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2292 ASSERT_TRUE(Style.isTableGen()); 2293 2294 TestLexer Lexer(Allocator, Buffers, Style); 2295 AdditionalKeywords Keywords(Lexer.IdentTable); 2296 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2297 2298 // Additional keywords representation test. 2299 auto Tokens = Annotate("def foo : Bar<1>;"); 2300 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2301 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2302 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2303 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2304 2305 // Code, the multiline string token. 2306 Tokens = Annotate("[{ code is multiline string }]"); 2307 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2308 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2309 EXPECT_FALSE(Tokens[0]->IsMultiline); 2310 // Case with multiple lines. 2311 Tokens = Annotate("[{ It can break\n" 2312 " across lines and the line breaks\n" 2313 " are retained in \n" 2314 " the string. }]"); 2315 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2316 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2317 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2318 EXPECT_TRUE(Tokens[0]->IsMultiline); 2319 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2320 2321 // Numeric literals. 2322 Tokens = Annotate("1234"); 2323 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2324 Tokens = Annotate("-1"); 2325 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2326 Tokens = Annotate("+1234"); 2327 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2328 Tokens = Annotate("0b0110"); 2329 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2330 Tokens = Annotate("0x1abC"); 2331 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2332 2333 // Identifier tokens. In TableGen, identifiers can begin with a number. 2334 // In ambiguous cases, the lexer tries to lex it as a number. 2335 // Even if the try fails, it does not fall back to identifier lexing and 2336 // regard as an error. 2337 // The ambiguity is not documented. The result of those tests are based on the 2338 // implementation of llvm::TGLexer::LexToken. 2339 // This is invalid syntax of number, but not an identifier. 2340 Tokens = Annotate("0x1234x"); 2341 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2342 Tokens = Annotate("identifier"); 2343 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2344 // Identifier beginning with a number. 2345 Tokens = Annotate("0x"); 2346 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2347 Tokens = Annotate("2dVector"); 2348 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2349 Tokens = Annotate("01234Vector"); 2350 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2351 2352 // Structured statements. 2353 Tokens = Annotate("class Foo {}"); 2354 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2355 Tokens = Annotate("def Def: Foo {}"); 2356 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2357 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2358 Tokens = Annotate("if cond then {} else {}"); 2359 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2360 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2361 Tokens = Annotate("defset Foo Def2 = {}"); 2362 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2363 2364 // Bang Operators. 2365 Tokens = Annotate("!foreach"); 2366 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2367 Tokens = Annotate("!if"); 2368 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2369 Tokens = Annotate("!cond"); 2370 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2371 2372 auto AnnotateValue = [this, &Style](StringRef Code) { 2373 // Values are annotated only in specific context. 2374 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2375 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2376 }; 2377 // Both of bang/cond operators. 2378 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2379 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2380 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2381 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2382 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2383 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2384 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2385 // DAGArg values with operator identifier 2386 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2387 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2388 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2389 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2390 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2391 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2392 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2393 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2394 // List literal 2395 Tokens = AnnotateValue("[1, 2, 3]"); 2396 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2397 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2398 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2399 // Suffixes of values 2400 Tokens = AnnotateValue("valid.field"); 2401 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2402 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2403 // Code 2404 Tokens = AnnotateValue("[{ code is multiline string }]"); 2405 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2406 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2407 2408 // The definition 2409 Tokens = annotate("def Def : Parent<Child> {}", Style); 2410 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2411 // We use inheritance colon and function brace. They are enough. 2412 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2413 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2414 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2415 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2416 2417 // DAGArg breaking options. They use different token types depending on what 2418 // is specified. 2419 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2420 2421 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2422 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2423 // elements to have line break. 2424 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2425 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2426 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2427 EXPECT_TOKEN(Tokens[1], tok::identifier, 2428 TT_TableGenDAGArgOperatorID); // ins 2429 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2430 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2431 2432 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2433 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2434 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2435 EXPECT_TOKEN(Tokens[1], tok::identifier, 2436 TT_TableGenDAGArgOperatorID); // other 2437 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2438 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2439 2440 // For non-identifier operators, breaks after the operator. 2441 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2442 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2443 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2444 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2445 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2446 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2447 2448 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2449 2450 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2451 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2452 // to have line break inside it. 2453 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2454 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2455 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2456 EXPECT_TOKEN(Tokens[1], tok::identifier, 2457 TT_TableGenDAGArgOperatorToBreak); // ins 2458 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2459 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2460 2461 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2462 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2463 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2464 EXPECT_TOKEN(Tokens[1], tok::identifier, 2465 TT_TableGenDAGArgOperatorToBreak); // other 2466 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2467 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2468 2469 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2470 // specified operators. 2471 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2472 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2473 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2474 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2475 EXPECT_TOKEN(Tokens[1], tok::identifier, 2476 TT_TableGenDAGArgOperatorToBreak); // ins 2477 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2478 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2479 2480 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2481 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2482 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2483 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2484 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2485 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2486 2487 // If TableGenBreakingDAGArgOperators is enabled, it uses 2488 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2489 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2490 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2491 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2492 EXPECT_TOKEN(Tokens[1], tok::identifier, 2493 TT_TableGenDAGArgOperatorToBreak); // ins 2494 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2495 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2496 2497 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2498 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2499 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2500 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2501 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2502 } 2503 2504 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2505 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2506 2507 // The TT_Unknown is clearly not binding for the future, please adapt if those 2508 // tokens get annotated. 2509 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2510 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2511 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2512 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2513 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2514 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2515 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2516 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2517 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2518 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2519 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2520 2521 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2522 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2523 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2524 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2525 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2526 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2527 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2528 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2529 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2530 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2531 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2532 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2533 2534 Tokens = annotate("class Class {\n" 2535 " Class() : BaseClass() {\n" 2536 "#if 0\n" 2537 " // comment\n" 2538 "#endif\n" 2539 " }\n" 2540 " Class f();\n" 2541 "}"); 2542 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2543 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2544 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2545 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2546 } 2547 2548 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2549 auto Tokens = annotate("if (x) {}"); 2550 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2551 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2552 Tokens = annotate("if constexpr (x) {}"); 2553 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2554 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2555 Tokens = annotate("if CONSTEXPR (x) {}"); 2556 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2557 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2558 Tokens = annotate("if (x) {} else if (x) {}"); 2559 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2560 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2561 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2562 } 2563 2564 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2565 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2566 2567 auto Tokens = annotate("int? a;", Style); 2568 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2569 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2570 2571 Tokens = annotate("int? a = 1;", Style); 2572 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2573 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2574 2575 Tokens = annotate("int?)", Style); 2576 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2577 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2578 2579 Tokens = annotate("int?>", Style); 2580 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2581 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2582 2583 Tokens = annotate("cond? id : id2", Style); 2584 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2585 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2586 2587 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2588 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2589 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2590 } 2591 2592 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2593 auto Tokens = annotate("{ x: break; }"); 2594 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2595 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2596 2597 Tokens = annotate("{ case x: break; }"); 2598 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2599 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2600 2601 Tokens = annotate("{ x: { break; } }"); 2602 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2603 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2604 2605 Tokens = annotate("{ case x: { break; } }"); 2606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2607 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2608 2609 Tokens = annotate("#define FOO label:"); 2610 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2611 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2612 2613 Tokens = annotate("#define FOO \\\n" 2614 "label: \\\n" 2615 " break;"); 2616 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2617 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2618 } 2619 2620 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2621 // The closing braces are not annotated. It doesn't seem to cause a problem. 2622 // So we only test for the opening braces. 2623 auto Tokens = annotate("{\n" 2624 " {\n" 2625 " { int a = 0; }\n" 2626 " }\n" 2627 " {}\n" 2628 "}"); 2629 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2630 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2631 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2632 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2633 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2634 } 2635 2636 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2637 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2638 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2639 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2640 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2641 2642 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2643 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2644 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2645 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2646 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2647 2648 Tokens = annotate("SomeStruct {\n" 2649 "#ifdef FOO\n" 2650 " .a = 1,\n" 2651 "#endif\n" 2652 " .b = 2\n" 2653 "};"); 2654 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2655 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2656 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2657 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2658 2659 Tokens = annotate("SomeStruct {\n" 2660 "#if defined FOO\n" 2661 " .a = 1,\n" 2662 "#endif\n" 2663 " .b = 2\n" 2664 "};"); 2665 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2666 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2667 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2668 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2669 2670 Tokens = annotate("Foo foo[] = {[0]{}};"); 2671 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2672 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2673 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2674 } 2675 2676 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2677 auto Annotate = [this](StringRef Code) { 2678 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2679 }; 2680 2681 // Dictionary. 2682 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2683 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2684 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2685 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2686 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2687 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2688 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2689 // Change when we need to annotate these. 2690 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2691 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2692 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2693 } 2694 2695 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2696 auto Tokens = annotate("bool foo __attribute__((unused));"); 2697 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2698 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2699 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2700 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2701 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2702 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2703 2704 Tokens = annotate("bool foo __declspec(dllimport);"); 2705 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2706 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2707 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2708 2709 Tokens = annotate("bool __attribute__((unused)) foo;"); 2710 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2711 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2712 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2713 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2714 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2715 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2716 2717 Tokens = annotate("void __attribute__((x)) Foo();"); 2718 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2719 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2720 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2721 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2722 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2723 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2724 2725 FormatStyle Style = getLLVMStyle(); 2726 Style.AttributeMacros.push_back("FOO"); 2727 Tokens = annotate("bool foo FOO(unused);", Style); 2728 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2729 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2730 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2731 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2732 } 2733 2734 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2735 auto Tokens = annotate("while (true) {}"); 2736 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2737 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2738 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2739 2740 Tokens = annotate("for (;;) {}"); 2741 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2742 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2743 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2744 2745 Tokens = annotate("do {} while (true);"); 2746 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2747 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2748 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2749 2750 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2751 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2752 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2753 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2754 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2755 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2756 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2757 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2758 2759 Tokens = annotate("switch (foo) {}"); 2760 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2761 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2762 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2763 } 2764 2765 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2766 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2767 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2768 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2769 2770 Tokens = annotate("do ++i; while ( i > 5 );"); 2771 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2772 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2773 } 2774 2775 TEST_F(TokenAnnotatorTest, StartOfName) { 2776 auto Tokens = annotate("#pragma clang diagnostic push"); 2777 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2778 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2779 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2780 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2781 2782 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2783 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2784 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2785 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2786 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2787 2788 Tokens = annotate("#define FOO Foo foo"); 2789 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2790 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2791 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2792 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2793 2794 Tokens = annotate("@interface NSCoder (TestCoder)"); 2795 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2796 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2797 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2798 } 2799 2800 TEST_F(TokenAnnotatorTest, BraceKind) { 2801 auto Tokens = annotate("void f() {};"); 2802 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2803 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2804 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2805 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2806 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2807 2808 Tokens = annotate("class Foo<int> f() {}"); 2809 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2810 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2811 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2812 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2813 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2814 2815 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2816 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2817 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2818 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2819 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2820 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2821 2822 Tokens = annotate("void f() override {};"); 2823 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2824 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2825 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2826 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2827 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2828 2829 Tokens = annotate("void f() noexcept(false) {};"); 2830 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2831 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2832 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2833 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2834 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2835 2836 Tokens = annotate("auto f() -> void {};"); 2837 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2838 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2839 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2840 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2841 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2842 2843 Tokens = annotate("void f() { /**/ };"); 2844 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2845 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2846 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2847 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2848 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2849 2850 Tokens = annotate("void f() { //\n" 2851 "};"); 2852 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2853 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2854 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2855 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2856 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2857 2858 Tokens = annotate("void f() {\n" 2859 " //\n" 2860 "};"); 2861 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2862 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2863 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2864 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2865 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2866 2867 Tokens = annotate("struct Foo {\n" 2868 " Foo() {};\n" 2869 " ~Foo() {};\n" 2870 "};"); 2871 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2872 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2873 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2874 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2875 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2876 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2877 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2878 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2879 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2880 2881 Tokens = annotate("{\n" 2882 " char *a[] = {\n" 2883 " /* abc */ \"abc\",\n" 2884 "#if FOO\n" 2885 " /* xyz */ \"xyz\",\n" 2886 "#endif\n" 2887 " /* last */ \"last\"};\n" 2888 "}"); 2889 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2890 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2891 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2892 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 2893 2894 Tokens = 2895 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 2896 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 2897 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2898 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2899 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 2900 2901 Tokens = annotate("struct {};"); 2902 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2903 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2904 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2905 2906 Tokens = annotate("struct : Base {};"); 2907 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2908 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2909 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2910 2911 Tokens = annotate("struct Foo {};"); 2912 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2913 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2914 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2915 2916 Tokens = annotate("struct ::Foo {};"); 2917 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2918 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2919 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2920 2921 Tokens = annotate("struct NS::Foo {};"); 2922 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2923 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2924 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2925 2926 Tokens = annotate("struct Foo<int> {};"); 2927 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2928 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2929 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2930 2931 Tokens = annotate("struct Foo<int>::Bar {};"); 2932 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2933 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2934 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2935 2936 Tokens = annotate("struct Foo<int> : Base {};"); 2937 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2938 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2939 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2940 2941 Tokens = annotate("struct Foo final {};"); 2942 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2943 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2944 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2945 2946 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 2947 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2948 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 2949 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 2950 2951 Tokens = annotate("struct Foo x{};"); 2952 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2953 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 2954 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2955 2956 Tokens = annotate("struct ::Foo x{};"); 2957 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2958 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2959 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 2960 2961 Tokens = annotate("struct NS::Foo x{};"); 2962 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2963 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 2964 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2965 2966 Tokens = annotate("struct Foo<int> x{};"); 2967 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2968 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2969 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2970 2971 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 2972 "#else\n" 2973 "#endif\n" 2974 "class RenderingServer : Object {\n" 2975 "#ifndef DISABLE_DEPRECATED\n" 2976 " enum Features {\n" 2977 " FEATURE_SHADERS,\n" 2978 " FEATURE_MULTITHREADED,\n" 2979 " };\n" 2980 "#endif\n" 2981 "};"); 2982 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2983 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 2984 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 2985 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 2986 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 2987 } 2988 2989 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 2990 auto Tokens = annotate("auto foo() -> enum En {}"); 2991 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2992 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2993 } 2994 2995 TEST_F(TokenAnnotatorTest, BlockLBrace) { 2996 auto Tokens = annotate("{\n" 2997 " {\n" 2998 " foo();\n" 2999 " }\n" 3000 "}"); 3001 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3002 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3003 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3004 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3005 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3006 3007 Tokens = annotate("void bar() {\n" 3008 " {\n" 3009 " foo();\n" 3010 " }\n" 3011 "}"); 3012 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3013 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3014 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3015 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3016 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3017 } 3018 3019 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3020 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3021 auto Tokens = annotate("i = switch (day) {\n" 3022 " case THURSDAY, SATURDAY -> 8;\n" 3023 " case WEDNESDAY -> 9;\n" 3024 " default -> 1;\n" 3025 "};", 3026 Style); 3027 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3028 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3029 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3030 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3031 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3032 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3033 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3034 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3035 } 3036 3037 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3038 auto Tokens = annotate("a = b and c;"); 3039 ASSERT_EQ(Tokens.size(), 7u); 3040 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3041 3042 Tokens = annotate("a = b and_eq c;"); 3043 ASSERT_EQ(Tokens.size(), 7u); 3044 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3045 3046 Tokens = annotate("a = b bitand c;"); 3047 ASSERT_EQ(Tokens.size(), 7u); 3048 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3049 3050 Tokens = annotate("a = b bitor c;"); 3051 ASSERT_EQ(Tokens.size(), 7u); 3052 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3053 3054 Tokens = annotate("a = b compl c;"); 3055 ASSERT_EQ(Tokens.size(), 7u); 3056 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3057 3058 Tokens = annotate("a = b not c;"); 3059 ASSERT_EQ(Tokens.size(), 7u); 3060 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3061 3062 Tokens = annotate("a = b not_eq c;"); 3063 ASSERT_EQ(Tokens.size(), 7u); 3064 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3065 3066 Tokens = annotate("a = b or c;"); 3067 ASSERT_EQ(Tokens.size(), 7u); 3068 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3069 3070 Tokens = annotate("a = b or_eq c;"); 3071 ASSERT_EQ(Tokens.size(), 7u); 3072 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3073 3074 Tokens = annotate("a = b xor c;"); 3075 ASSERT_EQ(Tokens.size(), 7u); 3076 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3077 3078 Tokens = annotate("a = b xor_eq c;"); 3079 ASSERT_EQ(Tokens.size(), 7u); 3080 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3081 3082 Tokens = annotate("xor = foo;"); 3083 ASSERT_EQ(Tokens.size(), 5u); 3084 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3085 3086 Tokens = annotate("int xor = foo;"); 3087 ASSERT_EQ(Tokens.size(), 6u); 3088 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3089 } 3090 3091 } // namespace 3092 } // namespace format 3093 } // namespace clang 3094