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 <typename T>\n" 273 "enable_if_t<is_integral_v<T>, bool> // comment\n" 274 "operator~(T &a);"); 275 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 276 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 277 278 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 279 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 280 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 281 282 Tokens = 283 annotate("auto foo() noexcept(noexcept(bar()) && " 284 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 285 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 286 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 287 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 288 289 Tokens = annotate("foo = *i < *j && *j > *k;"); 290 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 291 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 292 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 293 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 294 295 FormatStyle Style = getLLVMStyle(); 296 Style.TypeNames.push_back("MYI"); 297 Tokens = annotate("if (MYI *p{nullptr})", Style); 298 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 299 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 300 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 301 302 Style.TypeNames.push_back("Class"); 303 Tokens = annotate("if (Class *obj {getObj()})", Style); 304 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 305 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 306 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 307 308 Tokens = annotate("class Foo {\n" 309 " void operator<() {}\n" 310 " Foo &f;\n" 311 "};"); 312 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 313 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 314 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 315 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 316 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 317 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 318 319 Tokens = annotate("if (new && num) {\n" 320 " new = 1;\n" 321 "}\n" 322 "if (!delete && num) {\n" 323 " delete = 1;\n" 324 "}"); 325 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 326 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 327 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 328 } 329 330 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 331 auto Tokens = annotate("x - 0"); 332 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 333 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 334 Tokens = annotate("0 + 0"); 335 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 336 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 337 Tokens = annotate("x + +0"); 338 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 339 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 340 Tokens = annotate("x ? -0 : +0"); 341 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 342 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 343 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 344 Tokens = annotate("(-0)"); 345 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 346 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 347 Tokens = annotate("0, -0"); 348 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 349 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 350 Tokens = annotate("for (; -1;) {\n}"); 351 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 352 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 353 Tokens = annotate("x = -1;"); 354 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 355 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 356 Tokens = annotate("x[-1]"); 357 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 358 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 359 Tokens = annotate("x = {-1};"); 360 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 361 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 362 Tokens = annotate("case -x:"); 363 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 364 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 365 Tokens = annotate("co_await -x;"); 366 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 367 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 368 Tokens = annotate("co_return -x;"); 369 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 370 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 371 Tokens = annotate("co_yield -x;"); 372 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 373 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 374 Tokens = annotate("delete -x;"); 375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 376 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 377 Tokens = annotate("return -x;"); 378 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 379 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 380 Tokens = annotate("throw -x;"); 381 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 382 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 383 Tokens = annotate("sizeof -x"); 384 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 385 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 386 Tokens = annotate("co_await +x;"); 387 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 388 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 389 Tokens = annotate("co_return +x;"); 390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 391 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 392 Tokens = annotate("co_yield +x;"); 393 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 394 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 395 Tokens = annotate("delete +x;"); 396 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 397 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 398 Tokens = annotate("return +x;"); 399 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 400 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 401 Tokens = annotate("throw +x;"); 402 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 403 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 404 Tokens = annotate("sizeof +x"); 405 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 407 Tokens = annotate("(int)-x"); 408 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 409 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 410 Tokens = annotate("(-x)"); 411 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 412 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 413 Tokens = annotate("!+x"); 414 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 415 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 416 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 417 } 418 419 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 420 auto Tokens = annotate("class C {};"); 421 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 422 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 423 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 424 425 Tokens = annotate("const class C {} c;"); 426 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 427 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 428 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 429 430 Tokens = annotate("const class {} c;"); 431 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 432 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 433 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 434 435 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 436 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 437 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 438 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 439 } 440 441 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 442 auto Tokens = annotate("struct S {};"); 443 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 444 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 445 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 446 447 Tokens = annotate("struct macro(a) S {};"); 448 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 449 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 450 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 451 452 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 453 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 454 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 455 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 456 457 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 458 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 459 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 460 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 461 462 Tokens = annotate("struct macro(a) S {\n" 463 " void f(T &t);\n" 464 "};"); 465 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 466 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 467 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 468 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 469 470 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 471 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 472 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 473 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 474 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 475 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 476 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 477 478 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 479 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 480 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 481 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 482 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 483 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 484 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 485 486 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 487 " void f(T const (&a)[n]);\n" 488 "};"); 489 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 490 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 491 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 492 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 493 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 494 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 495 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 496 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 497 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 498 499 Tokens = annotate("template <typename T, enum E e> struct S {};"); 500 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 501 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 502 503 auto Style = getLLVMStyle(); 504 Style.AttributeMacros.push_back("EXPORT"); 505 Tokens = annotate("struct EXPORT StructName {};", Style); 506 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 507 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 508 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 509 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 510 } 511 512 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 513 auto Tokens = annotate("union U {};"); 514 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 515 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 516 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 517 518 Tokens = annotate("union U { void f() { return; } };"); 519 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 520 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 521 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 522 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 523 } 524 525 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 526 auto Tokens = annotate("enum E {};"); 527 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 528 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 529 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 530 } 531 532 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 533 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 534 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 535 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 536 537 Tokens = annotate("template <typename T> void F(T) && = delete;"); 538 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 539 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 540 } 541 542 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 543 auto Tokens = 544 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 545 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 546 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 547 } 548 549 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 550 auto Tokens = 551 annotate("template <typename T> " 552 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 553 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 554 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 555 } 556 557 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 558 auto Tokens = 559 annotate("#define FOO(typeName) \\\n" 560 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 561 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 562 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 563 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 564 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 565 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 566 } 567 568 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 569 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 570 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 571 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 572 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 573 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 574 } 575 576 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 577 // IsExpression = false 578 auto Tokens = annotate("foo<true ? 1 : 2>();"); 579 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 580 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 581 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 582 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 583 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 584 585 // IsExpression = true 586 587 Tokens = annotate("return foo<true ? 1 : 2>();"); 588 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 589 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 590 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 591 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 592 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 593 594 Tokens = annotate("return foo<true ? 1 : 2>{};"); 595 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 596 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 597 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 598 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 599 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 600 } 601 602 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 603 auto Tokens = annotate("return a < b && c > d;"); 604 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 605 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 606 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 607 608 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 609 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 610 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 611 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 612 613 Tokens = annotate("return A < B ? true : A > B;"); 614 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 615 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 616 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 617 618 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 619 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 620 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 621 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 622 623 Tokens = annotate("return checklower ? a < b : a > b;"); 624 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 625 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 626 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 627 628 Tokens = annotate("return A < B ^ A > B;"); 629 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 630 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 631 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 632 633 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 634 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 635 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 636 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 637 } 638 639 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 640 auto Tokens = annotate("template <template <typename...> typename X,\n" 641 " template <typename...> class Y,\n" 642 " typename... T>\n" 643 "class A {};"); 644 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 645 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 646 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 647 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 648 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 649 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 650 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 651 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 652 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 653 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 654 } 655 656 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 657 FormatStyle Style = getLLVMStyle(); 658 Style.WhitespaceSensitiveMacros.push_back("FOO"); 659 660 auto Tokens = annotate("FOO(1+2 )", Style); 661 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 662 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 663 664 Tokens = annotate("FOO(a:b:c)", Style); 665 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 666 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 667 } 668 669 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 670 auto Tokens = annotate("delete (void *)p;"); 671 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 672 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 673 674 Tokens = annotate("delete[] (void *)p;"); 675 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 676 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 677 678 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 679 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 680 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 681 682 Tokens = annotate("delete[/*comment*/] (void *)p;"); 683 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 684 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 685 686 Tokens = annotate("delete/*comment*/[] (void *)p;"); 687 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 688 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 689 } 690 691 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 692 auto Tokens = annotate("(void)p;"); 693 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 694 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 695 696 Tokens = annotate("(uint32_t)&&label;"); 697 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 698 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 699 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 700 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 701 702 Tokens = annotate("auto x = (Foo)p;"); 703 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 704 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 705 706 Tokens = annotate("(std::vector<int>)p;"); 707 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 708 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 709 710 Tokens = annotate("return (Foo)p;"); 711 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 712 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 713 714 Tokens = annotate("throw (Foo)p;"); 715 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 716 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 717 718 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 719 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 720 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 721 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 722 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 723 724 Tokens = annotate("#define foo(i) ((i) - bar)"); 725 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 726 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 727 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 728 729 Tokens = annotate("return (Foo) & 10;"); 730 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 731 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 732 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 733 734 Tokens = annotate("return (struct foo){};"); 735 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 736 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 737 738 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 739 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 740 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 741 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 742 743 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 744 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 745 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 746 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 747 748 Tokens = annotate("func((void (*)())&a);"); 749 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 750 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 751 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 752 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 753 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 754 755 Tokens = annotate("int result = ((int)a) - b;"); 756 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 757 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 758 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 759 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 760 761 auto Style = getLLVMStyle(); 762 Style.TypeNames.push_back("Foo"); 763 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 764 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 765 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 766 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 767 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 768 } 769 770 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 771 auto Tokens = annotate("void f() throw(int);"); 772 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 773 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 774 } 775 776 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 777 auto Tokens = annotate("void f() &;"); 778 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 779 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 780 781 Tokens = annotate("void operator=(T) &&;"); 782 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 783 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 784 785 Tokens = annotate("template <typename T> void f() &;"); 786 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 787 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 788 789 Tokens = annotate("template <typename T> void operator=(T) &;"); 790 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 791 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 792 } 793 794 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 795 auto Tokens = annotate("x.operator+()"); 796 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 797 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 798 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 799 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 800 Tokens = annotate("x.operator=()"); 801 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 802 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 803 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 804 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 805 Tokens = annotate("x.operator+=()"); 806 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 807 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 808 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 809 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 810 Tokens = annotate("x.operator,()"); 811 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 812 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 813 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 814 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 815 Tokens = annotate("x.operator()()"); 816 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 817 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 818 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 819 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 820 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 821 Tokens = annotate("x.operator[]()"); 822 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 823 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 824 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 825 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 826 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 827 Tokens = annotate("x.operator\"\"_a()"); 828 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 829 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 830 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 831 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 832 Tokens = annotate("x.operator\"\" _a()"); 833 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 834 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 835 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 836 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 837 Tokens = annotate("x.operator\"\"if()"); 838 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 839 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 840 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 841 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 842 Tokens = annotate("x.operator\"\"s()"); 843 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 844 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 845 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 846 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 847 Tokens = annotate("x.operator\"\" s()"); 848 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 849 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 850 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 851 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 852 853 Tokens = annotate("int operator+(int);"); 854 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 855 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 856 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 857 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 858 Tokens = annotate("auto operator=(T&) {}"); 859 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 860 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 861 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 862 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 863 Tokens = annotate("auto operator()() {}"); 864 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 865 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 866 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 867 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 868 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 869 870 Tokens = annotate("class Foo {\n" 871 " int operator+(a* b);\n" 872 "}"); 873 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 874 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 875 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 876 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 877 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 878 879 Tokens = annotate("class Foo {\n" 880 " int c = operator+(a * b);\n" 881 "}"); 882 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 883 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 884 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 885 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 886 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 887 888 Tokens = annotate("void foo() {\n" 889 " operator+(a * b);\n" 890 "}"); 891 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 892 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 893 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 894 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 895 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 896 897 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 898 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 899 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 900 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 901 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 902 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 903 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 904 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 905 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 906 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 907 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 908 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 909 910 Tokens = annotate("class Foo {\n" 911 " void foo() {\n" 912 " operator+(a * b);\n" 913 " }\n" 914 "}"); 915 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 916 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 917 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 918 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 919 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 920 921 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 922 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 923 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 924 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 925 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 926 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 927 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 928 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 929 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 930 931 Tokens = annotate("decltype(auto) operator()(T &x);"); 932 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 933 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 934 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 935 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 936 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 937 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 938 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 939 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 940 } 941 942 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 943 struct { 944 const char *Text; 945 tok::TokenKind Kind; 946 } Operators[] = {{"+", tok::plus}, 947 {"-", tok::minus}, 948 // FIXME: 949 // {"*", tok::star}, 950 {"/", tok::slash}, 951 {"%", tok::percent}, 952 {"^", tok::caret}, 953 // FIXME: 954 // {"&", tok::amp}, 955 {"|", tok::pipe}, 956 {"~", tok::tilde}, 957 {"!", tok::exclaim}, 958 {"=", tok::equal}, 959 // FIXME: 960 // {"<", tok::less}, 961 {">", tok::greater}, 962 {"+=", tok::plusequal}, 963 {"-=", tok::minusequal}, 964 {"*=", tok::starequal}, 965 {"/=", tok::slashequal}, 966 {"%=", tok::percentequal}, 967 {"^=", tok::caretequal}, 968 {"&=", tok::ampequal}, 969 {"|=", tok::pipeequal}, 970 {"<<", tok::lessless}, 971 {">>", tok::greatergreater}, 972 {">>=", tok::greatergreaterequal}, 973 {"<<=", tok::lesslessequal}, 974 {"==", tok::equalequal}, 975 {"!=", tok::exclaimequal}, 976 {"<=", tok::lessequal}, 977 {">=", tok::greaterequal}, 978 {"<=>", tok::spaceship}, 979 {"&&", tok::ampamp}, 980 {"||", tok::pipepipe}, 981 {"++", tok::plusplus}, 982 {"--", tok::minusminus}, 983 {",", tok::comma}, 984 {"->*", tok::arrowstar}, 985 {"->", tok::arrow}}; 986 987 for (const auto &Operator : Operators) { 988 std::string Input("C<&operator"); 989 Input += Operator.Text; 990 Input += " > a;"; 991 auto Tokens = annotate(std::string(Input)); 992 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 993 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 994 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 995 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 996 } 997 998 auto Tokens = annotate("C<&operator< <X>> lt;"); 999 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1000 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1001 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1002 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1003 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1004 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1005 } 1006 1007 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1008 auto Tokens = annotate("template <typename T>\n" 1009 "concept C = (Foo && Bar) && (Bar && Baz);"); 1010 1011 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1012 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1013 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1014 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1015 1016 Tokens = annotate("template <typename T>\n" 1017 "concept C = Foo && !Bar;"); 1018 1019 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1020 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1021 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1022 1023 Tokens = annotate("template <typename T>\n" 1024 "concept C = requires(T t) {\n" 1025 " { t.foo() };\n" 1026 "} && Bar<T> && Baz<T>;"); 1027 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1028 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1029 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1030 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1031 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1032 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1033 1034 Tokens = annotate("template<typename T>\n" 1035 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1036 "struct Foo;"); 1037 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1038 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1039 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1040 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1041 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1042 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1043 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1044 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1045 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1046 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1047 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1048 1049 Tokens = 1050 annotate("template<typename T>\n" 1051 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1052 "struct Foo;"); 1053 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1054 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1055 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1056 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1057 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1058 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1059 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1060 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1061 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1062 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1063 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1064 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1065 1066 Tokens = annotate("template <typename T>\n" 1067 "void foo(T) noexcept requires Bar<T>;"); 1068 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1069 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1070 1071 Tokens = annotate("template <typename T>\n" 1072 "requires Bar<T> || Baz<T>\n" 1073 "auto foo(T) -> int;"); 1074 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1075 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1076 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1077 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1078 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1079 1080 Tokens = annotate("template <typename T>\n" 1081 "requires Bar<T>\n" 1082 "bool foo(T) { return false; }"); 1083 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1084 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1085 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1086 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1087 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1088 1089 Tokens = annotate("template <typename T>\n" 1090 "requires Bar<T>\n" 1091 "decltype(auto) foo(T) { return false; }"); 1092 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1093 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1094 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1095 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1096 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1097 1098 Tokens = annotate("template <typename T>\n" 1099 "struct S {\n" 1100 " void foo() const requires Bar<T>;\n" 1101 " void bar() const & requires Baz<T>;\n" 1102 " void bar() && requires Baz2<T>;\n" 1103 " void baz() const & noexcept requires Baz<T>;\n" 1104 " void baz() && noexcept requires Baz2<T>;\n" 1105 "};\n" 1106 "\n" 1107 "void S::bar() const & requires Baz<T> { }"); 1108 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1109 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1110 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1111 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1112 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1113 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1114 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1115 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1116 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1117 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1118 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1119 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1120 1121 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1122 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1123 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1124 1125 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1126 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1127 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1128 1129 Tokens = 1130 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1131 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1132 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1133 1134 Tokens = annotate("void Class::member() && requires(typename " 1135 "Namespace::Outer<T>::Inner::Constant) {}"); 1136 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1137 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1138 1139 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1140 " template<class T>\n" 1141 " requires requires { number_zero_v<T>; }\n" 1142 " [[nodiscard]] constexpr operator T() const { " 1143 "return number_zero_v<T>; }\n" 1144 "};"); 1145 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1146 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1147 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1148 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1149 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1150 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1151 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1152 1153 Tokens = 1154 annotate("template <class A, class B> concept C =" 1155 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1156 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1157 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1158 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1159 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1160 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1161 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1162 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1163 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1164 1165 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1166 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1167 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1168 1169 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1170 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1171 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1172 1173 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1174 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1175 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1176 1177 Tokens = 1178 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1179 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1180 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1181 1182 Tokens = 1183 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1184 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1185 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1186 1187 Tokens = 1188 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1189 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1190 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1191 1192 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1193 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1194 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1195 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1196 1197 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1198 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1199 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1200 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1201 1202 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1203 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1204 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1205 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1206 1207 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1208 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1209 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1210 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1211 1212 Tokens = annotate("void f() & requires(true) {}"); 1213 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1214 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1215 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1216 1217 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1218 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1219 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1220 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1221 1222 Tokens = annotate("template <typename T>\n" 1223 "concept C = (!Foo<T>) && Bar;"); 1224 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1225 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1226 1227 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1228 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1229 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1230 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1231 1232 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1233 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1234 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1235 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1236 1237 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1238 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1239 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1240 1241 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1242 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1243 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1244 1245 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1246 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1247 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1248 } 1249 1250 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1251 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1252 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1253 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1254 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1255 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1256 1257 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1258 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1259 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1260 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1261 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1262 1263 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1264 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1265 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1266 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1267 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1268 1269 Tokens = annotate("foo(requires(const T t) {});"); 1270 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1271 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1272 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1273 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1274 1275 Tokens = annotate("foo(requires(const int t) {});"); 1276 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1277 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1278 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1279 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1280 1281 Tokens = annotate("foo(requires(const T t) {});"); 1282 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1283 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1284 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1285 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1286 1287 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1288 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1289 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1290 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1291 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1292 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1293 1294 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1295 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1296 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1297 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1298 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1299 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1300 1301 Tokens = annotate("foo(requires(T& t) {});"); 1302 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1303 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1304 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1305 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1306 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1307 1308 Tokens = annotate("foo(requires(T&& t) {});"); 1309 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1310 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1311 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1312 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1313 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1314 1315 Tokens = annotate("bool foo = requires(T& t) {};"); 1316 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1317 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1318 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1319 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1320 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1321 1322 Tokens = annotate("bool foo = requires(T&& t) {};"); 1323 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1324 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1325 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1326 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1327 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1328 1329 Tokens = 1330 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1331 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1332 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1333 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1334 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1335 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1336 1337 Tokens = annotate("template <typename T>\n" 1338 "concept C = requires(T T) {\n" 1339 " requires Bar<T> && Foo<T>;\n" 1340 "};"); 1341 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1342 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1343 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1344 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1345 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1346 TT_RequiresClauseInARequiresExpression); 1347 1348 Tokens = annotate("template <typename T>\n" 1349 "concept C = requires(T T) {\n" 1350 " { t.func() } -> std::same_as<int>;" 1351 " requires Bar<T> && Foo<T>;\n" 1352 "};"); 1353 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1354 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1355 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1356 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1357 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1358 TT_RequiresClauseInARequiresExpression); 1359 1360 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1361 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1362 "requires true; };"); 1363 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1364 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1365 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1366 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1367 1368 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1369 " { c.foo(); }\n" 1370 "};"); 1371 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1372 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1373 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1374 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1375 } 1376 1377 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1378 // Everything after #pragma region should be ImplicitStringLiteral 1379 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1380 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1381 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1382 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1383 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1384 1385 // Make sure it's annotated correctly inside a function as well 1386 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1387 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1388 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1389 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1390 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1391 } 1392 1393 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1394 const char *BaseCode = nullptr; 1395 const char *ConstrainedCode = nullptr; 1396 auto BaseTokenCount = 0u; 1397 auto RequiresTokenCount = 0u; 1398 auto PrefixTokenCount = 0u; 1399 1400 auto TestRequires = [&](int Line) { 1401 const auto BaseTokens = annotate(BaseCode); 1402 const auto ConstrainedTokens = annotate(ConstrainedCode); 1403 1404 #define LINE " (Line " << Line << ')' 1405 1406 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1407 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1408 << LINE; 1409 1410 for (auto I = 0u; I < BaseTokenCount; ++I) { 1411 EXPECT_EQ( 1412 *BaseTokens[I], 1413 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1414 << I << LINE; 1415 } 1416 1417 #undef LINE 1418 }; 1419 1420 BaseCode = "template<typename T>\n" 1421 "T Pi = 3.14;"; 1422 ConstrainedCode = "template<typename T>\n" 1423 " requires Foo<T>\n" 1424 "T Pi = 3.14;"; 1425 BaseTokenCount = 11; 1426 RequiresTokenCount = 5; 1427 PrefixTokenCount = 5; 1428 TestRequires(__LINE__); 1429 1430 BaseCode = "template<typename T>\n" 1431 "struct Bar;"; 1432 ConstrainedCode = "template<typename T>\n" 1433 " requires Foo<T>\n" 1434 "struct Bar;"; 1435 BaseTokenCount = 9; 1436 TestRequires(__LINE__); 1437 1438 BaseCode = "template<typename T>\n" 1439 "struct Bar {\n" 1440 " T foo();\n" 1441 " T bar();\n" 1442 "};"; 1443 ConstrainedCode = "template<typename T>\n" 1444 " requires Foo<T>\n" 1445 "struct Bar {\n" 1446 " T foo();\n" 1447 " T bar();\n" 1448 "};"; 1449 BaseTokenCount = 21; 1450 TestRequires(__LINE__); 1451 1452 BaseCode = "template<typename T>\n" 1453 "Bar(T) -> Bar<T>;"; 1454 ConstrainedCode = "template<typename T>\n" 1455 " requires Foo<T>\n" 1456 "Bar(T) -> Bar<T>;"; 1457 BaseTokenCount = 16; 1458 TestRequires(__LINE__); 1459 1460 BaseCode = "template<typename T>\n" 1461 "T foo();"; 1462 ConstrainedCode = "template<typename T>\n" 1463 " requires Foo<T>\n" 1464 "T foo();"; 1465 BaseTokenCount = 11; 1466 TestRequires(__LINE__); 1467 1468 BaseCode = "template<typename T>\n" 1469 "T foo() {\n" 1470 " auto bar = baz();\n" 1471 " return bar + T{};\n" 1472 "}"; 1473 ConstrainedCode = "template<typename T>\n" 1474 " requires Foo<T>\n" 1475 "T foo() {\n" 1476 " auto bar = baz();\n" 1477 " return bar + T{};\n" 1478 "}"; 1479 BaseTokenCount = 26; 1480 TestRequires(__LINE__); 1481 1482 BaseCode = "template<typename T>\n" 1483 "T foo();"; 1484 ConstrainedCode = "template<typename T>\n" 1485 "T foo() requires Foo<T>;"; 1486 BaseTokenCount = 11; 1487 PrefixTokenCount = 9; 1488 TestRequires(__LINE__); 1489 1490 BaseCode = "template<typename T>\n" 1491 "T foo() {\n" 1492 " auto bar = baz();\n" 1493 " return bar + T{};\n" 1494 "}"; 1495 ConstrainedCode = "template<typename T>\n" 1496 "T foo() requires Foo<T> {\n" 1497 " auto bar = baz();\n" 1498 " return bar + T{};\n" 1499 "}"; 1500 BaseTokenCount = 26; 1501 TestRequires(__LINE__); 1502 1503 BaseCode = "template<typename T>\n" 1504 "T foo();"; 1505 ConstrainedCode = "template<typename T>\n" 1506 " requires(Foo<T>)\n" 1507 "T foo();"; 1508 BaseTokenCount = 11; 1509 RequiresTokenCount = 7; 1510 PrefixTokenCount = 5; 1511 TestRequires(__LINE__); 1512 1513 BaseCode = "template<typename T>\n" 1514 "Bar(T) -> Bar<typename T::I>;"; 1515 ConstrainedCode = "template<typename T>\n" 1516 " requires requires(T &&t) {\n" 1517 " typename T::I;\n" 1518 " }\n" 1519 "Bar(T) -> Bar<typename T::I>;"; 1520 BaseTokenCount = 19; 1521 RequiresTokenCount = 14; 1522 PrefixTokenCount = 5; 1523 TestRequires(__LINE__); 1524 1525 BaseCode = "struct [[nodiscard]] zero_t {\n" 1526 " template<class T>\n" 1527 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1528 "};"; 1529 ConstrainedCode = 1530 "struct [[nodiscard]] zero_t {\n" 1531 " template<class T>\n" 1532 " requires requires { v<T>; }\n" 1533 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1534 "};"; 1535 BaseTokenCount = 35; 1536 RequiresTokenCount = 9; 1537 PrefixTokenCount = 13; 1538 TestRequires(__LINE__); 1539 1540 BaseCode = "constexpr Foo(Foo const &other)\n" 1541 " : value{other.value} {\n" 1542 " do_magic();\n" 1543 " do_more_magic();\n" 1544 "}"; 1545 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1546 " requires std::is_copy_constructible<T>\n" 1547 " : value{other.value} {\n" 1548 " do_magic();\n" 1549 " do_more_magic();\n" 1550 "}"; 1551 BaseTokenCount = 26; 1552 RequiresTokenCount = 7; 1553 PrefixTokenCount = 8; 1554 TestRequires(__LINE__); 1555 1556 BaseCode = "constexpr Foo(Foo const &other)\n" 1557 " : value{other.value} {\n" 1558 " do_magic();\n" 1559 " do_more_magic();\n" 1560 "}"; 1561 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1562 " requires (std::is_copy_constructible<T>)\n" 1563 " : value{other.value} {\n" 1564 " do_magic();\n" 1565 " do_more_magic();\n" 1566 "}"; 1567 RequiresTokenCount = 9; 1568 TestRequires(__LINE__); 1569 1570 BaseCode = "template<typename T>\n" 1571 "ANNOTATE(\"S\"\n" 1572 " \"S\")\n" 1573 "void foo();"; 1574 ConstrainedCode = "template<typename T>\n" 1575 " requires(true)\n" 1576 "ANNOTATE(\"S\"\n" 1577 " \"S\")\n" 1578 "void foo();"; 1579 BaseTokenCount = 16; 1580 RequiresTokenCount = 4; 1581 PrefixTokenCount = 5; 1582 TestRequires(__LINE__); 1583 } 1584 1585 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1586 auto Tokens = annotate("__asm{\n" 1587 "\"a\":\n" 1588 ": x\n" 1589 ":};"); 1590 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1591 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1592 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1593 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1594 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1595 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1596 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1597 1598 Tokens = annotate("__asm(\n" 1599 "\"a\":\n" 1600 ": x\n" 1601 ":);"); 1602 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1603 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1604 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1605 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1606 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1607 1608 Tokens = annotate("asm volatile (\n" 1609 "\"a_label:\"\n" 1610 ":\n" 1611 ": x\n" 1612 ":);"); 1613 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1614 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1615 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1616 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1617 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1618 1619 Tokens = annotate("__asm__(\n" 1620 "\"a_label:\"\n" 1621 ": x\n" 1622 ":\n" 1623 ": y);"); 1624 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1625 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1626 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1627 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1628 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1629 1630 Tokens = annotate("__asm volatile (\n" 1631 "\"a_label:\"\n" 1632 "\"a b c(%%x)\"\n" 1633 ":\n" 1634 ": x\n" 1635 ":);"); 1636 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1637 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1638 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1639 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1640 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1641 1642 Tokens = annotate("asm(\n" 1643 "\"insn\"\n" 1644 ": \"=r\" (var1), \"=&r\" (value)\n" 1645 ":\n" 1646 ": \"memory\");"); 1647 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1648 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1649 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1650 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1651 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1652 1653 Tokens = annotate("__asm__ volatile (\n" 1654 "\"ldr r1, [r0, %%[sym]]\"\n" 1655 ":\n" 1656 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1657 ");"); 1658 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1659 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1660 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1661 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1662 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1663 } 1664 1665 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1666 auto Tokens = annotate("int (^)() = ^ ()\n" 1667 " external_source_symbol() { //\n" 1668 " return 1;\n" 1669 "};"); 1670 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1671 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1672 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1673 1674 Tokens = annotate("int *p = ^int*(){ //\n" 1675 " return nullptr;\n" 1676 "}();"); 1677 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1678 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1679 } 1680 1681 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1682 auto Tokens = annotate("void f() {\n" 1683 " //\n" 1684 " BOOL a = [b.c n] > 1;\n" 1685 "}"); 1686 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1687 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1688 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1689 } 1690 1691 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1692 auto Tokens = annotate("[]() constexpr {}"); 1693 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1694 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1695 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1696 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1697 1698 Tokens = annotate("[]() consteval {}"); 1699 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1700 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1701 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1702 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1703 1704 Tokens = annotate("[]() mutable {}"); 1705 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1706 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1707 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1708 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1709 1710 Tokens = annotate("[]() static {}"); 1711 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1712 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1713 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1714 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1715 1716 Tokens = annotate("[]() -> auto {}"); 1717 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1718 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1719 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1720 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1721 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1722 1723 Tokens = annotate("[]() -> auto & {}"); 1724 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1725 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1726 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1727 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1728 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1729 1730 Tokens = annotate("[]() -> auto * {}"); 1731 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1732 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1733 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1734 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1735 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1736 1737 Tokens = annotate("[] {}"); 1738 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1739 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1740 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1741 1742 Tokens = annotate("[] noexcept {}"); 1743 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1744 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1745 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1746 1747 Tokens = annotate("[] -> auto {}"); 1748 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1749 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1750 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1751 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1752 1753 Tokens = annotate("[] -> struct S { return {}; }"); 1754 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1755 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1756 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1757 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1758 1759 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1760 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1761 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1762 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1763 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1764 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1765 1766 Tokens = annotate("[] <typename T> () {}"); 1767 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1768 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1769 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1770 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1771 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1772 1773 Tokens = annotate("[] <typename T> {}"); 1774 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1775 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1776 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1777 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1778 1779 Tokens = annotate("[] <typename... T> () {}"); 1780 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1781 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1782 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1783 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1784 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1785 1786 Tokens = annotate("[] <typename... T> {}"); 1787 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1788 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1789 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1790 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1791 1792 Tokens = annotate("[] <int... T> () {}"); 1793 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1794 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1795 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1796 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1797 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1798 1799 Tokens = annotate("[] <int... T> {}"); 1800 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1801 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1802 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1803 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1804 1805 Tokens = annotate("[] <Foo... T> () {}"); 1806 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1807 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1808 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1809 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1810 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1811 1812 Tokens = annotate("[] <Foo... T> {}"); 1813 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1814 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1815 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1816 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1817 1818 // Lambdas with a requires-clause 1819 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1820 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1821 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1822 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1823 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1824 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1825 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1826 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1827 1828 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1829 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1830 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1831 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1832 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1833 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1834 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1835 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1836 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1837 1838 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1839 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1840 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1841 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1842 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1843 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1844 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1845 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1846 1847 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1848 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1849 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1850 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1851 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1852 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1853 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1854 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1855 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1856 1857 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1858 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1859 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1860 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1861 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1862 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1863 // FIXME: 1864 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1865 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1866 1867 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1868 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1869 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1870 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1871 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1872 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1873 // FIXME: 1874 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1875 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1876 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1877 1878 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1879 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1880 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1881 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1882 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1883 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1884 // FIXME: 1885 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1886 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1887 1888 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1889 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1890 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1891 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1892 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1893 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1894 // FIXME: 1895 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1896 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1897 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1898 1899 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1900 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1901 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1902 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1903 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1904 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1905 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1906 1907 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1908 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1909 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1910 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1911 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1912 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1913 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1914 1915 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1916 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1917 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1918 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1919 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1920 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1921 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1922 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1923 1924 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1925 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1926 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1927 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1928 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1929 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1930 // FIXME: 1931 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1932 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1933 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1934 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1935 1936 Tokens = annotate("[] <typename T = int> (T t) {}"); 1937 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1938 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1939 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1940 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1941 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1942 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1943 1944 Tokens = annotate("[] <int I = 0> (T t) {}"); 1945 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1946 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1947 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1948 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1949 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1950 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1951 1952 Tokens = annotate("[] <bool b = false> (T t) {}"); 1953 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1954 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1955 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1956 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1957 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1958 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1959 1960 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1961 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1962 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1963 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1964 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1965 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1966 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 1967 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1968 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1969 1970 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1971 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1972 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1973 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1974 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1975 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1976 // FIXME: 1977 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 1978 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1979 } 1980 1981 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1982 auto Tokens = annotate("template <typename T>\n" 1983 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1984 "string OldFunction(const string ¶meter) {}"); 1985 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1986 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1987 1988 Tokens = annotate("template <typename T>\n" 1989 "A(T) noexcept;"); 1990 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1991 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1992 1993 Tokens = annotate("FOO(bar)();"); 1994 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1995 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 1996 } 1997 1998 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1999 auto Tokens = annotate("void f [[noreturn]] ();"); 2000 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2001 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2002 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2003 2004 Tokens = annotate("void f [[noreturn]] () {}"); 2005 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2006 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2007 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2008 2009 Tokens = annotate("#define FOO Foo::\n" 2010 "FOO Foo();"); 2011 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2012 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2013 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2014 2015 Tokens = annotate("struct Foo {\n" 2016 " Bar (*func)();\n" 2017 "};"); 2018 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2019 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2020 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2021 2022 Tokens = annotate("void instanceof();"); 2023 ASSERT_EQ(Tokens.size(), 6u); 2024 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2025 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2026 2027 Tokens = annotate("int iso_time(time_t);"); 2028 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2029 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2030 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2031 2032 auto Style = getLLVMStyle(); 2033 Style.TypeNames.push_back("MyType"); 2034 Tokens = annotate("int iso_time(MyType);", Style); 2035 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2036 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2037 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2038 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2039 } 2040 2041 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2042 auto Tokens = annotate("class Foo { public: Foo(); };"); 2043 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2044 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2045 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2046 2047 Tokens = annotate("class Foo { public: ~Foo(); };"); 2048 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2049 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2050 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2051 2052 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2053 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2054 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2055 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2056 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2057 2058 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2059 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2060 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2061 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2062 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2063 2064 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2065 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2066 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2067 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2068 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2069 2070 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2071 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2072 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2073 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2074 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2075 2076 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2077 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2078 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2079 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2080 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2081 2082 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2083 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2084 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2085 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2086 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2087 2088 Tokens = annotate("Foo::Foo() {}"); 2089 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2090 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2091 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2092 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2093 2094 Tokens = annotate("Foo::~Foo() {}"); 2095 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2096 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2097 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2098 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2099 2100 Tokens = annotate("struct Test {\n" 2101 " Test()\n" 2102 " : l([] {\n" 2103 " Short::foo();\n" 2104 " }) {}\n" 2105 "};"); 2106 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2107 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2108 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2109 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2110 } 2111 2112 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2113 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2114 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2115 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2116 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2117 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2118 } 2119 2120 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2121 auto Tokens = annotate("auto f() -> int;"); 2122 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2123 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2124 2125 Tokens = annotate("auto operator->() -> int;"); 2126 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2127 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2128 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2129 2130 Tokens = annotate("auto operator++(int) -> int;"); 2131 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2132 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2133 2134 Tokens = annotate("auto operator=() -> int;"); 2135 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2136 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2137 2138 Tokens = annotate("auto operator=(int) -> int;"); 2139 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2140 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2141 2142 Tokens = annotate("auto foo() -> auto { return Val; }"); 2143 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2144 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2145 2146 Tokens = annotate("struct S { auto bar() const -> int; };"); 2147 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2148 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2149 2150 // Not trailing return arrows 2151 Tokens = annotate("auto a = b->c;"); 2152 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2153 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2154 2155 Tokens = annotate("auto a = (b)->c;"); 2156 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2157 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2158 2159 Tokens = annotate("auto a = b()->c;"); 2160 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2161 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2162 2163 Tokens = annotate("auto a = b->c();"); 2164 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2165 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2166 2167 Tokens = annotate("decltype(auto) a = b()->c;"); 2168 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2169 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2170 2171 Tokens = annotate("void f() { auto a = b->c(); }"); 2172 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2173 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2174 2175 Tokens = annotate("void f() { auto a = b()->c; }"); 2176 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2177 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2178 2179 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2180 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2181 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2182 2183 Tokens = annotate("void f() FOO(foo->bar);"); 2184 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2185 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2186 2187 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2188 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2189 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2190 2191 auto Style = getLLVMStyle(); 2192 Style.StatementAttributeLikeMacros.push_back("emit"); 2193 Tokens = annotate("emit foo()->bar;", Style); 2194 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2195 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2196 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2197 2198 // Mixed 2199 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2200 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2201 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2202 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2203 } 2204 2205 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2206 auto Tokens = annotate("#define Foo(Bar) \\\n" 2207 " { \\\n" 2208 " #Bar \\\n" 2209 " }"); 2210 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2211 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2212 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2213 2214 Tokens = annotate("#define Foo(Bar) \\\n" 2215 " { #Bar }"); 2216 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2217 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2218 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2219 2220 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2221 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2222 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2223 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2224 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2225 } 2226 2227 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2228 // '__attribute__' has special handling. 2229 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2230 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2231 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2232 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2233 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2234 2235 // Generic macro has no special handling in this location. 2236 Tokens = annotate("A(X) void Foo(void);"); 2237 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2238 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2239 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2240 2241 // Add a custom AttributeMacro. Test that it has the same behavior. 2242 FormatStyle Style = getLLVMStyle(); 2243 Style.AttributeMacros.push_back("A"); 2244 2245 // An "AttributeMacro" gets annotated like '__attribute__'. 2246 Tokens = annotate("A(X) void Foo(void);", Style); 2247 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2248 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2249 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2250 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2251 } 2252 2253 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2254 // '__attribute__' has special handling. 2255 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2256 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2257 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2258 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2259 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2260 2261 // Generic macro has no special handling in this location. 2262 Tokens = annotate("A(X) @interface Foo"); 2263 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2264 // Note: Don't check token-type as a random token in this position is hard to 2265 // reason about. 2266 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2267 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2268 2269 // Add a custom AttributeMacro. Test that it has the same behavior. 2270 FormatStyle Style = getLLVMStyle(); 2271 Style.AttributeMacros.push_back("A"); 2272 2273 // An "AttributeMacro" gets annotated like '__attribute__'. 2274 Tokens = annotate("A(X) @interface Foo", Style); 2275 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2276 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2277 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2278 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2279 } 2280 2281 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2282 // '__attribute__' has special handling. 2283 auto Tokens = annotate("- (id)init __attribute__((X));"); 2284 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2285 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2286 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2287 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2288 2289 // Generic macro has no special handling in this location. 2290 Tokens = annotate("- (id)init A(X);"); 2291 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2292 // Note: Don't check token-type as a random token in this position is hard to 2293 // reason about. 2294 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2295 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2296 2297 // Add a custom AttributeMacro. Test that it has the same behavior. 2298 FormatStyle Style = getLLVMStyle(); 2299 Style.AttributeMacros.push_back("A"); 2300 2301 // An "AttributeMacro" gets annotated like '__attribute__'. 2302 Tokens = annotate("- (id)init A(X);", Style); 2303 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2304 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2305 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2306 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2307 } 2308 2309 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2310 // '__attribute__' has special handling. 2311 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2312 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2313 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2314 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2315 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2316 2317 // Generic macro has no special handling in this location. 2318 Tokens = annotate("@property(weak) id delegate A(X);"); 2319 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2320 // Note: Don't check token-type as a random token in this position is hard to 2321 // reason about. 2322 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2323 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2324 2325 // Add a custom AttributeMacro. Test that it has the same behavior. 2326 FormatStyle Style = getLLVMStyle(); 2327 Style.AttributeMacros.push_back("A"); 2328 2329 // An "AttributeMacro" gets annotated like '__attribute__'. 2330 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2331 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2332 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2333 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2334 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2335 } 2336 2337 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2338 auto Annotate = [this](StringRef Code) { 2339 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2340 }; 2341 // Test that unary operators get labeled as such and that operators like '++' 2342 // don't get split. 2343 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2344 tok::tilde, tok::amp, tok::pipe, 2345 tok::caret, tok::plusplus, tok::minusminus}; 2346 for (auto Kind : Unary) { 2347 auto Tokens = 2348 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2349 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2350 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2351 } 2352 // Operators formed by joining two operators like '^~'. For some of these 2353 // joined operators, we don't have a separate type, so we only test for their 2354 // precedence. 2355 std::pair<prec::Level, std::string> JoinedBinary[] = { 2356 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2357 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2358 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2359 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2360 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2361 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2362 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2363 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2364 {prec::Equality, "!="}, {prec::Equality, "==="}, 2365 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2366 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2367 {prec::ExclusiveOr, "^~"}, 2368 }; 2369 for (auto Operator : JoinedBinary) { 2370 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2371 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2372 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2373 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2374 } 2375 // '~^' and '^~' can be unary as well as binary operators. 2376 auto Tokens = Annotate("x = ~^x;"); 2377 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2378 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2379 Tokens = Annotate("x = ^~x;"); 2380 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2381 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2382 // The unary operators '~&' and '~|' can only be unary operators. The current 2383 // implementation treats each of them as separate unary '~' and '&' or '|' 2384 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2385 // there is a test that there is no space in between. And even if a new line 2386 // is inserted between the '~' and '|', the semantic meaning is the same as 2387 // the joined operator, so the CanBreakBefore property doesn't need to be 2388 // false for the second operator. 2389 Tokens = Annotate("x = ~&x;"); 2390 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2391 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2392 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2393 Tokens = Annotate("x = ~|x;"); 2394 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2395 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2396 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2397 // Test for block label colons. 2398 Tokens = Annotate("begin : x\n" 2399 "end : x"); 2400 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2401 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2402 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2403 // Test that the dimension colon is annotated correctly. 2404 Tokens = Annotate("var [1 : 0] x;"); 2405 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2406 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2407 Tokens = Annotate("extern function [1 : 0] x;"); 2408 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2409 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2410 Tokens = Annotate("module test\n" 2411 " (input wire [7 : 0] a[7 : 0]);\n" 2412 "endmodule"); 2413 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2414 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2415 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2416 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2417 // Test case labels and ternary operators. 2418 Tokens = Annotate("case (x)\n" 2419 " x:\n" 2420 " x;\n" 2421 "endcase"); 2422 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2423 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2424 Tokens = Annotate("case (x)\n" 2425 " x ? x : x:\n" 2426 " x;\n" 2427 "endcase"); 2428 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2429 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2430 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2431 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2432 // Non-blocking assignments. 2433 Tokens = Annotate("a <= b;"); 2434 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2435 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2436 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2437 Tokens = Annotate("if (a <= b) break;"); 2438 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2439 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2440 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2441 Tokens = Annotate("a <= b <= a;"); 2442 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2443 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2444 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2445 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2446 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2447 2448 // Port lists in module instantiation. 2449 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2450 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2451 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2452 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2453 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2454 "instance_2(port_2);"); 2455 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2456 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2457 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2458 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2459 2460 // Condition parentheses. 2461 Tokens = Annotate("assert (x);"); 2462 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2463 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2464 Tokens = Annotate("assert #0 (x);"); 2465 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2466 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2467 Tokens = Annotate("assert final (x);"); 2468 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2469 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2470 Tokens = Annotate("foreach (x[x]) continue;"); 2471 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2472 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2473 Tokens = Annotate("repeat (x[x]) continue;"); 2474 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2475 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2476 Tokens = Annotate("case (x) endcase;"); 2477 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2478 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2479 2480 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2481 // future, please adapt if those tokens get annotated. This test is only here 2482 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2483 Tokens = Annotate("always @(posedge x, posedge y);"); 2484 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2485 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2486 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2487 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2488 2489 // String literals in concatenation. 2490 Tokens = Annotate("x = {\"\"};"); 2491 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2492 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2493 Tokens = Annotate("x = {\"\", \"\"};"); 2494 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2495 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2496 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2497 Tokens = Annotate("x = '{{\"\"}};"); 2498 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2499 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2500 // Cases where the string should not be annotated that type. Fix the 2501 // `TT_Unknown` if needed in the future. 2502 Tokens = Annotate("x = {\"\" == \"\"};"); 2503 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2504 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2505 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2506 Tokens = Annotate("x = {(\"\")};"); 2507 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2508 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2509 Tokens = Annotate("x = '{\"\"};"); 2510 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2511 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2512 } 2513 2514 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2515 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2516 ASSERT_TRUE(Style.isTableGen()); 2517 2518 TestLexer Lexer(Allocator, Buffers, Style); 2519 AdditionalKeywords Keywords(Lexer.IdentTable); 2520 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2521 2522 // Additional keywords representation test. 2523 auto Tokens = Annotate("def foo : Bar<1>;"); 2524 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2525 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2526 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2527 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2528 2529 // Code, the multiline string token. 2530 Tokens = Annotate("[{ code is multiline string }]"); 2531 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2532 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2533 EXPECT_FALSE(Tokens[0]->IsMultiline); 2534 // Case with multiple lines. 2535 Tokens = Annotate("[{ It can break\n" 2536 " across lines and the line breaks\n" 2537 " are retained in \n" 2538 " the string. }]"); 2539 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2540 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2541 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2542 EXPECT_TRUE(Tokens[0]->IsMultiline); 2543 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2544 2545 // Numeric literals. 2546 Tokens = Annotate("1234"); 2547 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2548 Tokens = Annotate("-1"); 2549 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2550 Tokens = Annotate("+1234"); 2551 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2552 Tokens = Annotate("0b0110"); 2553 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2554 Tokens = Annotate("0x1abC"); 2555 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2556 2557 // Identifier tokens. In TableGen, identifiers can begin with a number. 2558 // In ambiguous cases, the lexer tries to lex it as a number. 2559 // Even if the try fails, it does not fall back to identifier lexing and 2560 // regard as an error. 2561 // The ambiguity is not documented. The result of those tests are based on the 2562 // implementation of llvm::TGLexer::LexToken. 2563 // This is invalid syntax of number, but not an identifier. 2564 Tokens = Annotate("0x1234x"); 2565 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2566 Tokens = Annotate("identifier"); 2567 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2568 // Identifier beginning with a number. 2569 Tokens = Annotate("0x"); 2570 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2571 Tokens = Annotate("2dVector"); 2572 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2573 Tokens = Annotate("01234Vector"); 2574 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2575 2576 // Structured statements. 2577 Tokens = Annotate("class Foo {}"); 2578 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2579 Tokens = Annotate("def Def: Foo {}"); 2580 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2581 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2582 Tokens = Annotate("if cond then {} else {}"); 2583 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2584 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2585 Tokens = Annotate("defset Foo Def2 = {}"); 2586 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2587 2588 // Bang Operators. 2589 Tokens = Annotate("!foreach"); 2590 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2591 Tokens = Annotate("!if"); 2592 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2593 Tokens = Annotate("!cond"); 2594 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2595 2596 auto AnnotateValue = [this, &Style](StringRef Code) { 2597 // Values are annotated only in specific context. 2598 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2599 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2600 }; 2601 // Both of bang/cond operators. 2602 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2603 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2604 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2605 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2606 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2607 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2608 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2609 // DAGArg values with operator identifier 2610 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2611 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2612 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2613 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2614 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2615 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2616 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2617 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2618 // List literal 2619 Tokens = AnnotateValue("[1, 2, 3]"); 2620 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2621 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2622 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2623 // Suffixes of values 2624 Tokens = AnnotateValue("valid.field"); 2625 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2626 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2627 // Code 2628 Tokens = AnnotateValue("[{ code is multiline string }]"); 2629 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2630 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2631 2632 // The definition 2633 Tokens = annotate("def Def : Parent<Child> {}", Style); 2634 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2635 // We use inheritance colon and function brace. They are enough. 2636 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2637 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2638 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2639 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2640 2641 // DAGArg breaking options. They use different token types depending on what 2642 // is specified. 2643 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2644 2645 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2646 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2647 // elements to have line break. 2648 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2649 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2650 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2651 EXPECT_TOKEN(Tokens[1], tok::identifier, 2652 TT_TableGenDAGArgOperatorID); // ins 2653 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2654 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2655 2656 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2657 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2658 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2659 EXPECT_TOKEN(Tokens[1], tok::identifier, 2660 TT_TableGenDAGArgOperatorID); // other 2661 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2662 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2663 2664 // For non-identifier operators, breaks after the operator. 2665 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2666 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2667 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2668 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2669 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2670 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2671 2672 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2673 2674 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2675 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2676 // to have line break inside it. 2677 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2678 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2679 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2680 EXPECT_TOKEN(Tokens[1], tok::identifier, 2681 TT_TableGenDAGArgOperatorToBreak); // ins 2682 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2683 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2684 2685 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2686 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2687 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2688 EXPECT_TOKEN(Tokens[1], tok::identifier, 2689 TT_TableGenDAGArgOperatorToBreak); // other 2690 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2691 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2692 2693 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2694 // specified operators. 2695 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2696 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2697 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2698 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2699 EXPECT_TOKEN(Tokens[1], tok::identifier, 2700 TT_TableGenDAGArgOperatorToBreak); // ins 2701 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2702 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2703 2704 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2705 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2706 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2707 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2708 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2709 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2710 2711 // If TableGenBreakingDAGArgOperators is enabled, it uses 2712 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2713 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2714 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2715 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2716 EXPECT_TOKEN(Tokens[1], tok::identifier, 2717 TT_TableGenDAGArgOperatorToBreak); // ins 2718 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2719 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2720 2721 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2722 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2723 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2724 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2725 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2726 } 2727 2728 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2729 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2730 2731 // The TT_Unknown is clearly not binding for the future, please adapt if those 2732 // tokens get annotated. 2733 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2734 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2735 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2736 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2737 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2738 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2739 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2740 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2741 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2742 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2743 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2744 2745 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2746 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2747 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2748 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2749 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2750 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2751 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2752 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2753 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2754 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2755 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2756 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2757 2758 Tokens = annotate("class Class {\n" 2759 " Class() : BaseClass() {\n" 2760 "#if 0\n" 2761 " // comment\n" 2762 "#endif\n" 2763 " }\n" 2764 " Class f();\n" 2765 "}"); 2766 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2767 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2768 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2769 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2770 } 2771 2772 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2773 auto Tokens = annotate("if (x) {}"); 2774 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2775 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2776 Tokens = annotate("if constexpr (x) {}"); 2777 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2778 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2779 Tokens = annotate("if CONSTEXPR (x) {}"); 2780 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2781 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2782 Tokens = annotate("if (x) {} else if (x) {}"); 2783 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2784 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2785 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2786 } 2787 2788 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2789 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2790 2791 auto Tokens = annotate("int? a;", Style); 2792 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2793 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2794 2795 Tokens = annotate("int? a = 1;", Style); 2796 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2797 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2798 2799 Tokens = annotate("int?)", Style); 2800 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2801 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2802 2803 Tokens = annotate("int?>", Style); 2804 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2805 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2806 2807 Tokens = annotate("cond? id : id2", Style); 2808 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2809 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2810 2811 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2812 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2813 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2814 } 2815 2816 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2817 auto Tokens = annotate("{ x: break; }"); 2818 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2819 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2820 2821 Tokens = annotate("{ case x: break; }"); 2822 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2823 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2824 2825 Tokens = annotate("{ x: { break; } }"); 2826 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2827 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2828 2829 Tokens = annotate("{ case x: { break; } }"); 2830 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2831 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2832 2833 Tokens = annotate("#define FOO label:"); 2834 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2835 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2836 2837 Tokens = annotate("#define FOO \\\n" 2838 "label: \\\n" 2839 " break;"); 2840 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2841 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2842 } 2843 2844 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2845 // The closing braces are not annotated. It doesn't seem to cause a problem. 2846 // So we only test for the opening braces. 2847 auto Tokens = annotate("{\n" 2848 " {\n" 2849 " { int a = 0; }\n" 2850 " }\n" 2851 " {}\n" 2852 "}"); 2853 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2854 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2855 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2856 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2857 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2858 } 2859 2860 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2861 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2862 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2863 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2864 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2865 2866 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2867 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2868 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2869 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2870 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2871 2872 Tokens = annotate("SomeStruct {\n" 2873 "#ifdef FOO\n" 2874 " .a = 1,\n" 2875 "#endif\n" 2876 " .b = 2\n" 2877 "};"); 2878 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2879 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2880 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2881 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2882 2883 Tokens = annotate("SomeStruct {\n" 2884 "#if defined FOO\n" 2885 " .a = 1,\n" 2886 "#endif\n" 2887 " .b = 2\n" 2888 "};"); 2889 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2890 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2891 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2892 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2893 2894 Tokens = annotate("Foo foo[] = {[0]{}};"); 2895 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2896 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2897 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2898 } 2899 2900 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2901 auto Annotate = [this](StringRef Code) { 2902 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2903 }; 2904 2905 // Dictionary. 2906 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2907 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2908 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2909 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2910 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2911 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2912 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2913 // Change when we need to annotate these. 2914 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2915 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2916 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2917 } 2918 2919 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2920 auto Tokens = annotate("bool foo __attribute__((unused));"); 2921 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2922 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2923 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2924 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2925 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2926 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2927 2928 Tokens = annotate("bool foo __declspec(dllimport);"); 2929 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2930 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2931 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2932 2933 Tokens = annotate("bool __attribute__((unused)) foo;"); 2934 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2935 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2936 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2937 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2938 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2939 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2940 2941 Tokens = annotate("void __attribute__((x)) Foo();"); 2942 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2943 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2944 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2945 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2946 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2947 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2948 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2949 2950 FormatStyle Style = getLLVMStyle(); 2951 Style.AttributeMacros.push_back("FOO"); 2952 Tokens = annotate("bool foo FOO(unused);", Style); 2953 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2954 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2955 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2956 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2957 } 2958 2959 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2960 auto Tokens = annotate("while (true) {}"); 2961 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2962 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2963 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2964 2965 Tokens = annotate("for (;;) {}"); 2966 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2967 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2968 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2969 2970 Tokens = annotate("do {} while (true);"); 2971 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2972 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2973 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2974 2975 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2976 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2977 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2978 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2979 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2980 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2981 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2982 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2983 2984 Tokens = annotate("switch (foo) {}"); 2985 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2986 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2987 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2988 } 2989 2990 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2991 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2992 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2993 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2994 2995 Tokens = annotate("do ++i; while ( i > 5 );"); 2996 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2997 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2998 } 2999 3000 TEST_F(TokenAnnotatorTest, StartOfName) { 3001 auto Tokens = annotate("#pragma clang diagnostic push"); 3002 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3003 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3004 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3005 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3006 3007 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3008 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3009 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3010 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3011 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3012 3013 Tokens = annotate("#define FOO Foo foo"); 3014 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3015 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3016 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3017 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3018 3019 Tokens = annotate("@interface NSCoder (TestCoder)"); 3020 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3021 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3022 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3023 3024 auto Style = getLLVMStyle(); 3025 Style.StatementAttributeLikeMacros.push_back("emit"); 3026 Tokens = annotate("emit foo = 0;", Style); 3027 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3028 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3029 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3030 } 3031 3032 TEST_F(TokenAnnotatorTest, BraceKind) { 3033 auto Tokens = annotate("void f() {};"); 3034 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3035 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3036 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3037 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3038 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3039 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3040 3041 Tokens = annotate("class Foo<int> f() {}"); 3042 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3043 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3044 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3045 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3046 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3047 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3048 3049 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3050 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3051 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3052 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3053 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3054 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3055 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3056 3057 Tokens = annotate("void f() override {};"); 3058 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3059 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3060 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3061 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3062 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3063 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3064 3065 Tokens = annotate("void f() noexcept(false) {};"); 3066 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3067 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3068 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3069 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3070 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3071 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3072 3073 Tokens = annotate("auto f() -> void {};"); 3074 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3075 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3076 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3077 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3078 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3079 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3080 3081 Tokens = annotate("void f() { /**/ };"); 3082 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3083 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3084 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3085 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3086 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3087 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3088 3089 Tokens = annotate("void f() { //\n" 3090 "};"); 3091 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3092 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3093 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3094 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3095 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3096 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3097 3098 Tokens = annotate("void f() {\n" 3099 " //\n" 3100 "};"); 3101 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3102 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3103 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3104 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3105 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3106 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3107 3108 Tokens = annotate("struct Foo {\n" 3109 " Foo() {};\n" 3110 " ~Foo() {};\n" 3111 "};"); 3112 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3113 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3114 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3115 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3116 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3117 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3118 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3119 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3120 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3121 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3122 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3123 3124 Tokens = annotate("{\n" 3125 " char *a[] = {\n" 3126 " /* abc */ \"abc\",\n" 3127 "#if FOO\n" 3128 " /* xyz */ \"xyz\",\n" 3129 "#endif\n" 3130 " /* last */ \"last\"};\n" 3131 "}"); 3132 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3133 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3134 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3135 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3136 3137 Tokens = 3138 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3139 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3141 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3142 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3143 3144 Tokens = annotate("struct {};"); 3145 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3146 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3147 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3148 3149 Tokens = annotate("struct : Base {};"); 3150 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3151 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3152 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3153 3154 Tokens = annotate("struct Foo {};"); 3155 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3156 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3157 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3158 3159 Tokens = annotate("struct ::Foo {};"); 3160 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3161 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3162 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3163 3164 Tokens = annotate("struct NS::Foo {};"); 3165 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3166 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3167 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3168 3169 Tokens = annotate("struct Foo<int> {};"); 3170 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3171 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3172 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3173 3174 Tokens = annotate("struct Foo<int>::Bar {};"); 3175 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3176 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3177 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3178 3179 Tokens = annotate("struct Foo<int> : Base {};"); 3180 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3181 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3182 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3183 3184 Tokens = annotate("struct Foo final {};"); 3185 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3186 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3187 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3188 3189 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3190 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3191 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3192 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3193 3194 Tokens = annotate("struct Foo x{};"); 3195 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3196 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3197 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3198 3199 Tokens = annotate("struct ::Foo x{};"); 3200 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3201 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3202 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3203 3204 Tokens = annotate("struct NS::Foo x{};"); 3205 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3206 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3207 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3208 3209 Tokens = annotate("struct Foo<int> x{};"); 3210 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3211 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3212 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3213 3214 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3215 "#else\n" 3216 "#endif\n" 3217 "class RenderingServer : Object {\n" 3218 "#ifndef DISABLE_DEPRECATED\n" 3219 " enum Features {\n" 3220 " FEATURE_SHADERS,\n" 3221 " FEATURE_MULTITHREADED,\n" 3222 " };\n" 3223 "#endif\n" 3224 "};"); 3225 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3226 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3227 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3228 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3229 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3230 3231 Tokens = annotate("{\n" 3232 "#define M(x) \\\n" 3233 " return {#x};\n" 3234 "}"); 3235 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3236 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3237 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3238 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3239 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3240 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3241 3242 Tokens = annotate("a = class extends goog.a {};", 3243 getGoogleStyle(FormatStyle::LK_JavaScript)); 3244 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3245 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3246 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3247 } 3248 3249 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3250 auto Tokens = annotate("auto foo() -> enum En {}"); 3251 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3252 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3253 } 3254 3255 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3256 auto Tokens = annotate("{\n" 3257 " {\n" 3258 " foo();\n" 3259 " }\n" 3260 "}"); 3261 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3262 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3263 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3264 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3265 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3266 3267 Tokens = annotate("void bar() {\n" 3268 " {\n" 3269 " foo();\n" 3270 " }\n" 3271 "}"); 3272 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3273 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3274 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3275 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3276 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3277 } 3278 3279 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3280 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3281 auto Tokens = annotate("i = switch (day) {\n" 3282 " case THURSDAY, SATURDAY -> 8;\n" 3283 " case WEDNESDAY -> 9;\n" 3284 " default -> 1;\n" 3285 "};", 3286 Style); 3287 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3288 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3289 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3290 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3291 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3292 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3293 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3294 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3295 } 3296 3297 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3298 auto Tokens = annotate("a = b and c;"); 3299 ASSERT_EQ(Tokens.size(), 7u); 3300 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3301 3302 Tokens = annotate("a = b and_eq c;"); 3303 ASSERT_EQ(Tokens.size(), 7u); 3304 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3305 3306 Tokens = annotate("a = b bitand c;"); 3307 ASSERT_EQ(Tokens.size(), 7u); 3308 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3309 3310 Tokens = annotate("a = b bitor c;"); 3311 ASSERT_EQ(Tokens.size(), 7u); 3312 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3313 3314 Tokens = annotate("a = b compl c;"); 3315 ASSERT_EQ(Tokens.size(), 7u); 3316 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3317 3318 Tokens = annotate("a = b not c;"); 3319 ASSERT_EQ(Tokens.size(), 7u); 3320 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3321 3322 Tokens = annotate("a = b not_eq c;"); 3323 ASSERT_EQ(Tokens.size(), 7u); 3324 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3325 3326 Tokens = annotate("a = b or c;"); 3327 ASSERT_EQ(Tokens.size(), 7u); 3328 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3329 3330 Tokens = annotate("a = b or_eq c;"); 3331 ASSERT_EQ(Tokens.size(), 7u); 3332 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3333 3334 Tokens = annotate("a = b xor c;"); 3335 ASSERT_EQ(Tokens.size(), 7u); 3336 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3337 3338 Tokens = annotate("a = b xor_eq c;"); 3339 ASSERT_EQ(Tokens.size(), 7u); 3340 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3341 3342 Tokens = annotate("xor = foo;"); 3343 ASSERT_EQ(Tokens.size(), 5u); 3344 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3345 3346 Tokens = annotate("int xor = foo;"); 3347 ASSERT_EQ(Tokens.size(), 6u); 3348 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3349 } 3350 3351 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3352 auto Tokens = 3353 annotate("Foo::Foo(int x, int y) try\n" 3354 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3355 "} catch (...) {\n" 3356 "}"); 3357 ASSERT_EQ(Tokens.size(), 45u); 3358 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3359 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3360 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3361 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3362 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_TrailingReturnArrow); 3363 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3364 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3365 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3366 } 3367 3368 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3369 auto Style = getLLVMStyle(); 3370 Style.TypenameMacros.push_back("STRUCT"); 3371 3372 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3373 ASSERT_EQ(Tokens.size(), 13u); 3374 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3375 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3376 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3377 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3378 } 3379 3380 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3381 auto Style = getGNUStyle(); 3382 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3383 3384 auto Tokens = annotate("return 1 <=> 2;", Style); 3385 ASSERT_EQ(Tokens.size(), 6u); 3386 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3387 } 3388 3389 } // namespace 3390 } // namespace format 3391 } // namespace clang 3392