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