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_SPLIT_PENALTY(FormatTok, Penalty) \ 46 EXPECT_EQ(FormatTok->SplitPenalty, Penalty) << *(FormatTok) 47 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 48 do { \ 49 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 50 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 51 } while (false) 52 53 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 54 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 55 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 56 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 57 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 59 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 60 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 61 62 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 63 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 64 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 65 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 66 67 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 68 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 69 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 70 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 72 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 73 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 74 75 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 76 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 77 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 78 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 79 80 Tokens = annotate("void f() {\n" 81 " while (p < a && *p == 'a')\n" 82 " p++;\n" 83 "}"); 84 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 85 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 86 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 87 88 Tokens = annotate("case *x:"); 89 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 90 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 91 Tokens = annotate("case &x:"); 92 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 93 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 94 95 Tokens = annotate("bool b = 3 == int{3} && true;"); 96 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 97 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 98 99 Tokens = annotate("struct {\n" 100 "} *ptr;"); 101 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 102 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 103 Tokens = annotate("union {\n" 104 "} *ptr;"); 105 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 106 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 107 Tokens = annotate("class {\n" 108 "} *ptr;"); 109 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 110 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 111 112 Tokens = annotate("struct {\n" 113 "} &&ptr = {};"); 114 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 115 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 116 Tokens = annotate("union {\n" 117 "} &&ptr = {};"); 118 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 119 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 120 Tokens = annotate("class {\n" 121 "} &&ptr = {};"); 122 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 123 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 124 Tokens = annotate("int i = int{42} * 2;"); 125 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 126 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 127 128 Tokens = annotate("delete[] *ptr;"); 129 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 130 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 131 Tokens = annotate("delete[] **ptr;"); 132 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 133 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 134 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 135 Tokens = annotate("delete[] *(ptr);"); 136 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 137 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 138 139 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 141 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 142 // FIXME: The star of a function pointer probably makes more sense as 143 // TT_PointerOrReference. 144 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 145 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 146 147 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 148 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 149 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 150 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 151 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 152 153 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 154 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 155 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 156 157 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 158 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 159 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 160 161 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 162 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 163 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 164 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 165 166 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 167 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 168 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 169 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 170 171 Tokens = annotate("Type1 &val1 = val2;"); 172 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 173 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 174 175 Tokens = annotate("Type1 *val1 = &val2;"); 176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 177 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 178 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 179 180 Tokens = annotate("val1 & val2;"); 181 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 182 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 183 184 Tokens = annotate("val1 & val2.member;"); 185 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 186 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 187 188 Tokens = annotate("val1 & val2.*member;"); 189 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 190 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 191 192 Tokens = annotate("val1.*member & val2;"); 193 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 194 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 195 196 Tokens = annotate("val1 & val2->*member;"); 197 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 198 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 199 200 Tokens = annotate("val1->member & val2;"); 201 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 202 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 203 204 Tokens = annotate("val1 & val2 & val3;"); 205 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 206 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 207 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 208 209 Tokens = annotate("val1 & val2 // comment\n" 210 " & val3;"); 211 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 212 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 213 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 214 215 Tokens = 216 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 217 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 218 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 220 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 221 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 222 223 Tokens = annotate("class c {\n" 224 " void func(type &a) { a & member; }\n" 225 " anotherType &member;\n" 226 "}"); 227 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 228 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 229 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 230 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 231 232 Tokens = annotate("struct S {\n" 233 " auto Mem = C & D;\n" 234 "}"); 235 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 236 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 237 238 Tokens = 239 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 240 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 241 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 242 243 Tokens = annotate("template <typename T> struct S {\n" 244 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 245 "};"); 246 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 247 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 248 249 Tokens = annotate("template <bool B = C && D> struct S {};"); 250 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 251 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 252 253 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 254 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 255 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 256 257 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 258 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 259 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 260 261 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 262 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 263 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 264 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 265 266 Tokens = annotate("Foo<A && B> a = {};"); 267 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 268 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 269 270 Tokens = annotate("Foo<A &&> a = {};"); 271 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 272 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 273 274 Tokens = annotate("template <typename T>\n" 275 "enable_if_t<is_integral_v<T>, bool> // comment\n" 276 "operator~(T &a);"); 277 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 278 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 279 280 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 281 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 282 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 283 284 Tokens = 285 annotate("auto foo() noexcept(noexcept(bar()) && " 286 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 287 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 288 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 289 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 290 291 Tokens = annotate("foo = *i < *j && *j > *k;"); 292 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 293 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 294 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 295 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 296 297 FormatStyle Style = getLLVMStyle(); 298 Style.TypeNames.push_back("MYI"); 299 Tokens = annotate("if (MYI *p{nullptr})", Style); 300 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 301 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 302 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 303 304 Style.TypeNames.push_back("Class"); 305 Tokens = annotate("if (Class *obj {getObj()})", Style); 306 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 307 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 308 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 309 310 Tokens = annotate("class Foo {\n" 311 " void operator<() {}\n" 312 " Foo &f;\n" 313 "};"); 314 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 315 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 316 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 317 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 318 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 319 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 320 321 Tokens = annotate("if (new && num) {\n" 322 " new = 1;\n" 323 "}\n" 324 "if (!delete && num) {\n" 325 " delete = 1;\n" 326 "}"); 327 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 328 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 329 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 330 } 331 332 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 333 auto Tokens = annotate("x - 0"); 334 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 335 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 336 Tokens = annotate("0 + 0"); 337 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 338 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 339 Tokens = annotate("x + +0"); 340 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 341 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 342 Tokens = annotate("x ? -0 : +0"); 343 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 344 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 345 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 346 Tokens = annotate("(-0)"); 347 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 348 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 349 Tokens = annotate("0, -0"); 350 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 351 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 352 Tokens = annotate("for (; -1;) {\n}"); 353 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 354 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 355 Tokens = annotate("x = -1;"); 356 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 357 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 358 Tokens = annotate("x[-1]"); 359 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 360 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 361 Tokens = annotate("x = {-1};"); 362 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 363 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 364 Tokens = annotate("case -x:"); 365 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 366 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 367 Tokens = annotate("co_await -x;"); 368 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 369 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 370 Tokens = annotate("co_return -x;"); 371 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 372 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 373 Tokens = annotate("co_yield -x;"); 374 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 375 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 376 Tokens = annotate("delete -x;"); 377 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 378 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 379 Tokens = annotate("return -x;"); 380 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 381 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 382 Tokens = annotate("throw -x;"); 383 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 384 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 385 Tokens = annotate("sizeof -x"); 386 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 387 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 388 Tokens = annotate("co_await +x;"); 389 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 390 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 391 Tokens = annotate("co_return +x;"); 392 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 393 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 394 Tokens = annotate("co_yield +x;"); 395 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 397 Tokens = annotate("delete +x;"); 398 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 399 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 400 Tokens = annotate("return +x;"); 401 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 402 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 403 Tokens = annotate("throw +x;"); 404 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 405 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 406 Tokens = annotate("sizeof +x"); 407 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 408 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 409 Tokens = annotate("(int)-x"); 410 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 411 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 412 Tokens = annotate("(-x)"); 413 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 414 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 415 Tokens = annotate("!+x"); 416 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 417 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 418 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 419 } 420 421 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 422 auto Tokens = annotate("class C {};"); 423 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 424 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 425 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 426 427 Tokens = annotate("const class C {} c;"); 428 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 429 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 430 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 431 432 Tokens = annotate("const class {} c;"); 433 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 434 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 435 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 436 437 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 438 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 439 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 440 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 441 } 442 443 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 444 auto Tokens = annotate("struct S {};"); 445 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 446 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 447 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 448 449 Tokens = annotate("struct macro(a) S {};"); 450 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 451 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 452 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 453 454 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 455 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 456 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 457 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 458 459 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 460 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 461 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 462 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 463 464 Tokens = annotate("struct macro(a) S {\n" 465 " void f(T &t);\n" 466 "};"); 467 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 468 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 469 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 470 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 471 472 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 473 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 474 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 475 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 476 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 477 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 478 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 479 480 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 481 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 482 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 483 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 484 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 485 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 486 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 487 488 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 489 " void f(T const (&a)[n]);\n" 490 "};"); 491 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 492 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 493 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 494 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 495 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 496 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 497 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 498 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 499 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 500 501 Tokens = annotate("template <typename T, enum E e> struct S {};"); 502 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 503 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 504 505 auto Style = getLLVMStyle(); 506 Style.AttributeMacros.push_back("EXPORT"); 507 Tokens = annotate("struct EXPORT StructName {};", Style); 508 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 509 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 510 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 511 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 512 } 513 514 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 515 auto Tokens = annotate("union U {};"); 516 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 517 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 518 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 519 520 Tokens = annotate("union U { void f() { return; } };"); 521 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 522 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 523 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 524 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 525 } 526 527 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 528 auto Tokens = annotate("enum E {};"); 529 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 530 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 531 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 532 } 533 534 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 535 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 536 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 537 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 538 539 Tokens = annotate("template <typename T> void F(T) && = delete;"); 540 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 541 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 542 } 543 544 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 545 auto Tokens = 546 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 547 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 548 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 549 } 550 551 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 552 auto Tokens = 553 annotate("template <typename T> " 554 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 555 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 556 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 557 } 558 559 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 560 auto Tokens = 561 annotate("#define FOO(typeName) \\\n" 562 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 563 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 564 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 565 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 566 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 567 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 568 } 569 570 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 571 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 572 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 573 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 574 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 575 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 576 } 577 578 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 579 // IsExpression = false 580 auto Tokens = annotate("foo<true ? 1 : 2>();"); 581 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 582 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 583 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 584 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 585 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 586 587 // IsExpression = true 588 589 Tokens = annotate("return foo<true ? 1 : 2>();"); 590 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 591 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 592 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 593 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 594 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 595 596 Tokens = annotate("return foo<true ? 1 : 2>{};"); 597 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 598 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 599 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 600 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 601 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 602 } 603 604 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 605 auto Tokens = annotate("return a < b && c > d;"); 606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 607 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 608 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 609 610 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 611 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 612 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 613 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 614 615 Tokens = annotate("return A < B ? true : A > B;"); 616 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 617 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 618 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 619 620 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 621 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 622 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 623 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 624 625 Tokens = annotate("return checklower ? a < b : a > b;"); 626 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 627 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 628 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 629 630 Tokens = annotate("return A < B ^ A > B;"); 631 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 632 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 633 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 634 635 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 636 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 637 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 638 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 639 } 640 641 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 642 auto Tokens = annotate("template <template <typename...> typename X,\n" 643 " template <typename...> class Y,\n" 644 " typename... T>\n" 645 "class A {};"); 646 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 647 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 648 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 649 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 650 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 651 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 652 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 653 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 654 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 655 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 656 } 657 658 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 659 FormatStyle Style = getLLVMStyle(); 660 Style.WhitespaceSensitiveMacros.push_back("FOO"); 661 662 auto Tokens = annotate("FOO(1+2 )", Style); 663 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 664 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 665 666 Tokens = annotate("FOO(a:b:c)", Style); 667 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 668 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 669 } 670 671 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 672 auto Tokens = annotate("delete (void *)p;"); 673 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 674 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 675 676 Tokens = annotate("delete[] (void *)p;"); 677 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 678 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 679 680 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 681 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 682 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 683 684 Tokens = annotate("delete[/*comment*/] (void *)p;"); 685 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 686 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 687 688 Tokens = annotate("delete/*comment*/[] (void *)p;"); 689 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 690 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 691 } 692 693 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 694 auto Tokens = annotate("(void)p;"); 695 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 696 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 697 698 Tokens = annotate("(uint32_t)&&label;"); 699 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 700 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 701 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 702 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 703 704 Tokens = annotate("auto x = (Foo)p;"); 705 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 706 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 707 708 Tokens = annotate("(std::vector<int>)p;"); 709 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 710 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 711 712 Tokens = annotate("return (Foo)p;"); 713 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 714 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 715 716 Tokens = annotate("throw (Foo)p;"); 717 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 718 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 719 720 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 721 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 722 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 723 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 724 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 725 726 Tokens = annotate("#define foo(i) ((i) - bar)"); 727 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 728 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 729 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 730 731 Tokens = annotate("return (Foo) & 10;"); 732 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 733 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 734 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 735 736 Tokens = annotate("return (struct foo){};"); 737 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 738 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 739 740 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 741 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 742 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 743 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 744 745 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 746 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 747 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 748 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 749 750 Tokens = annotate("func((void (*)())&a);"); 751 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 752 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 753 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 754 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 755 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 756 757 Tokens = annotate("int result = ((int)a) - b;"); 758 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 759 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 760 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 761 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 762 763 auto Style = getLLVMStyle(); 764 Style.TypeNames.push_back("Foo"); 765 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 766 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 767 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 768 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 769 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 770 } 771 772 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 773 auto Tokens = annotate("void f() throw(int);"); 774 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 775 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 776 } 777 778 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 779 auto Tokens = annotate("void f() &;"); 780 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 781 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 782 783 Tokens = annotate("void operator=(T) &&;"); 784 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 785 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 786 787 Tokens = annotate("template <typename T> void f() &;"); 788 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 789 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 790 791 Tokens = annotate("template <typename T> void operator=(T) &;"); 792 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 793 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 794 } 795 796 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 797 auto Tokens = annotate("x.operator+()"); 798 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 799 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 800 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 801 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 802 Tokens = annotate("x.operator=()"); 803 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 804 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 805 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 806 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 807 Tokens = annotate("x.operator+=()"); 808 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 809 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 810 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 811 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 812 Tokens = annotate("x.operator,()"); 813 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 814 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 815 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 816 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 817 Tokens = annotate("x.operator()()"); 818 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 819 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 820 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 821 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 822 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 823 Tokens = annotate("x.operator[]()"); 824 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 825 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 826 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 827 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 828 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 829 Tokens = annotate("x.operator\"\"_a()"); 830 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 831 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 832 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 833 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 834 Tokens = annotate("x.operator\"\" _a()"); 835 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 836 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 837 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 838 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 839 Tokens = annotate("x.operator\"\"if()"); 840 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 841 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 842 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 843 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 844 Tokens = annotate("x.operator\"\"s()"); 845 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 846 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 847 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 848 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 849 Tokens = annotate("x.operator\"\" s()"); 850 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 851 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 852 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 853 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 854 855 Tokens = annotate("int operator+(int);"); 856 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 857 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 858 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 859 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 860 Tokens = annotate("auto operator=(T&) {}"); 861 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 862 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 863 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 864 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 865 Tokens = annotate("auto operator()() {}"); 866 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 867 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 868 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 869 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 870 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 871 872 Tokens = annotate("class Foo {\n" 873 " int operator+(a* b);\n" 874 "}"); 875 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 876 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 877 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 878 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 879 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 880 881 Tokens = annotate("class Foo {\n" 882 " int c = operator+(a * b);\n" 883 "}"); 884 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 885 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 886 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 887 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 888 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 889 890 Tokens = annotate("void foo() {\n" 891 " operator+(a * b);\n" 892 "}"); 893 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 894 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 895 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 896 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 897 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 898 899 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 900 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 901 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 902 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 903 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 904 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 905 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 906 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 907 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 908 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 909 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 910 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 911 912 Tokens = annotate("class Foo {\n" 913 " void foo() {\n" 914 " operator+(a * b);\n" 915 " }\n" 916 "}"); 917 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 918 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 919 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 920 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 921 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 922 923 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 924 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 925 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 926 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 927 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 928 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 929 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 930 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 931 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 932 933 Tokens = annotate("decltype(auto) operator()(T &x);"); 934 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 935 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 936 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 937 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 938 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 939 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 940 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 941 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 942 } 943 944 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 945 struct { 946 const char *Text; 947 tok::TokenKind Kind; 948 } Operators[] = {{"+", tok::plus}, 949 {"-", tok::minus}, 950 // FIXME: 951 // {"*", tok::star}, 952 {"/", tok::slash}, 953 {"%", tok::percent}, 954 {"^", tok::caret}, 955 // FIXME: 956 // {"&", tok::amp}, 957 {"|", tok::pipe}, 958 {"~", tok::tilde}, 959 {"!", tok::exclaim}, 960 {"=", tok::equal}, 961 // FIXME: 962 // {"<", tok::less}, 963 {">", tok::greater}, 964 {"+=", tok::plusequal}, 965 {"-=", tok::minusequal}, 966 {"*=", tok::starequal}, 967 {"/=", tok::slashequal}, 968 {"%=", tok::percentequal}, 969 {"^=", tok::caretequal}, 970 {"&=", tok::ampequal}, 971 {"|=", tok::pipeequal}, 972 {"<<", tok::lessless}, 973 {">>", tok::greatergreater}, 974 {">>=", tok::greatergreaterequal}, 975 {"<<=", tok::lesslessequal}, 976 {"==", tok::equalequal}, 977 {"!=", tok::exclaimequal}, 978 {"<=", tok::lessequal}, 979 {">=", tok::greaterequal}, 980 {"<=>", tok::spaceship}, 981 {"&&", tok::ampamp}, 982 {"||", tok::pipepipe}, 983 {"++", tok::plusplus}, 984 {"--", tok::minusminus}, 985 {",", tok::comma}, 986 {"->*", tok::arrowstar}, 987 {"->", tok::arrow}}; 988 989 for (const auto &Operator : Operators) { 990 std::string Input("C<&operator"); 991 Input += Operator.Text; 992 Input += " > a;"; 993 auto Tokens = annotate(std::string(Input)); 994 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 995 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 996 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 997 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 998 } 999 1000 auto Tokens = annotate("C<&operator< <X>> lt;"); 1001 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1002 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1003 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1004 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1005 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1006 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1007 } 1008 1009 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1010 auto Tokens = annotate("template <typename T>\n" 1011 "concept C = (Foo && Bar) && (Bar && Baz);"); 1012 1013 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1014 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1015 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1016 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1017 1018 Tokens = annotate("template <typename T>\n" 1019 "concept C = Foo && !Bar;"); 1020 1021 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1022 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1023 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1024 1025 Tokens = annotate("template <typename T>\n" 1026 "concept C = requires(T t) {\n" 1027 " { t.foo() };\n" 1028 "} && Bar<T> && Baz<T>;"); 1029 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1030 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1031 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1032 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1033 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1034 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1035 1036 Tokens = annotate("template<typename T>\n" 1037 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1038 "struct Foo;"); 1039 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1040 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1041 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1042 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1043 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1044 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1045 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1046 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1047 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1048 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1049 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1050 1051 Tokens = 1052 annotate("template<typename T>\n" 1053 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1054 "struct Foo;"); 1055 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1056 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1057 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1058 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1059 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1060 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1061 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1062 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1063 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1064 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1065 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1066 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1067 1068 Tokens = annotate("template <typename T>\n" 1069 "void foo(T) noexcept requires Bar<T>;"); 1070 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1071 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1072 1073 Tokens = annotate("template <typename T>\n" 1074 "requires Bar<T> || Baz<T>\n" 1075 "auto foo(T) -> int;"); 1076 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1077 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1078 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1079 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1080 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1081 1082 Tokens = annotate("template <typename T>\n" 1083 "requires Bar<T>\n" 1084 "bool foo(T) { return false; }"); 1085 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1086 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1087 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1088 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1089 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1090 1091 Tokens = annotate("template <typename T>\n" 1092 "requires Bar<T>\n" 1093 "decltype(auto) foo(T) { return false; }"); 1094 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1095 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1096 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1097 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1098 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1099 1100 Tokens = annotate("template <typename T>\n" 1101 "struct S {\n" 1102 " void foo() const requires Bar<T>;\n" 1103 " void bar() const & requires Baz<T>;\n" 1104 " void bar() && requires Baz2<T>;\n" 1105 " void baz() const & noexcept requires Baz<T>;\n" 1106 " void baz() && noexcept requires Baz2<T>;\n" 1107 "};\n" 1108 "\n" 1109 "void S::bar() const & requires Baz<T> { }"); 1110 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1111 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1112 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1113 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1114 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1115 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1116 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1117 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1118 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1119 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1120 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1121 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1122 1123 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1124 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1125 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1126 1127 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1128 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1129 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1130 1131 Tokens = 1132 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1133 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1134 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1135 1136 Tokens = annotate("void Class::member() && requires(typename " 1137 "Namespace::Outer<T>::Inner::Constant) {}"); 1138 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1139 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1140 1141 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1142 " template<class T>\n" 1143 " requires requires { number_zero_v<T>; }\n" 1144 " [[nodiscard]] constexpr operator T() const { " 1145 "return number_zero_v<T>; }\n" 1146 "};"); 1147 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1148 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1149 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1150 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1151 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1152 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1153 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1154 1155 Tokens = 1156 annotate("template <class A, class B> concept C =" 1157 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1158 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1159 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1160 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1161 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1162 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1163 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1164 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1165 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1166 1167 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1168 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1169 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1170 1171 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1172 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1173 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1174 1175 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1176 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1177 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1178 1179 Tokens = 1180 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1181 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1182 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1183 1184 Tokens = 1185 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1186 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1187 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1188 1189 Tokens = 1190 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1191 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1192 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1193 1194 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1195 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1196 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1197 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1198 1199 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1200 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1201 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1202 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1203 1204 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1205 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1206 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1207 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1208 1209 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1210 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1211 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1212 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1213 1214 Tokens = annotate("void f() & requires(true) {}"); 1215 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1216 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1217 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1218 1219 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1220 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1221 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1222 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1223 1224 Tokens = annotate("template <typename T>\n" 1225 "concept C = (!Foo<T>) && Bar;"); 1226 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1227 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1228 1229 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1230 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1231 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1232 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1233 1234 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1235 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1236 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1237 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1238 1239 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1240 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1241 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1242 1243 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1244 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1245 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1246 1247 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1248 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1249 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1250 } 1251 1252 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1253 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1254 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1255 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1256 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1257 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1258 1259 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1260 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1261 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1262 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1263 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1264 1265 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1266 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1267 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1268 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1269 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1270 1271 Tokens = annotate("foo(requires(const T t) {});"); 1272 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1273 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1274 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1275 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1276 1277 Tokens = annotate("foo(requires(const int t) {});"); 1278 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1279 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1280 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1281 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1282 1283 Tokens = annotate("foo(requires(const T t) {});"); 1284 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1285 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1286 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1287 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1288 1289 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1290 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1291 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1292 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1293 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1294 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1295 1296 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1297 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1298 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1299 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1300 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1301 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1302 1303 Tokens = annotate("foo(requires(T& t) {});"); 1304 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1305 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1306 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1307 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1308 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1309 1310 Tokens = annotate("foo(requires(T&& t) {});"); 1311 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1312 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1313 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1314 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1315 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1316 1317 Tokens = annotate("bool foo = requires(T& t) {};"); 1318 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1319 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1320 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1321 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1322 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1323 1324 Tokens = annotate("bool foo = requires(T&& t) {};"); 1325 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1326 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1327 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1328 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1329 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1330 1331 Tokens = 1332 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1333 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1334 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1335 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1336 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1337 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1338 1339 Tokens = annotate("template <typename T>\n" 1340 "concept C = requires(T T) {\n" 1341 " requires Bar<T> && Foo<T>;\n" 1342 "};"); 1343 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1344 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1345 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1346 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1347 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1348 TT_RequiresClauseInARequiresExpression); 1349 1350 Tokens = annotate("template <typename T>\n" 1351 "concept C = requires(T T) {\n" 1352 " { t.func() } -> std::same_as<int>;" 1353 " requires Bar<T> && Foo<T>;\n" 1354 "};"); 1355 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1356 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1357 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1358 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1359 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1360 TT_RequiresClauseInARequiresExpression); 1361 1362 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1363 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1364 "requires true; };"); 1365 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1366 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1367 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1368 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1369 1370 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1371 " { c.foo(); }\n" 1372 "};"); 1373 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1374 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1375 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1376 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1377 } 1378 1379 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1380 // Everything after #pragma region should be ImplicitStringLiteral 1381 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1382 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1383 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1384 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1385 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1386 1387 // Make sure it's annotated correctly inside a function as well 1388 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1389 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1390 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1391 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1392 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1393 } 1394 1395 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1396 const char *BaseCode = nullptr; 1397 const char *ConstrainedCode = nullptr; 1398 auto BaseTokenCount = 0u; 1399 auto RequiresTokenCount = 0u; 1400 auto PrefixTokenCount = 0u; 1401 1402 auto TestRequires = [&](int Line) { 1403 const auto BaseTokens = annotate(BaseCode); 1404 const auto ConstrainedTokens = annotate(ConstrainedCode); 1405 1406 #define LINE " (Line " << Line << ')' 1407 1408 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1409 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1410 << LINE; 1411 1412 for (auto I = 0u; I < BaseTokenCount; ++I) { 1413 EXPECT_EQ( 1414 *BaseTokens[I], 1415 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1416 << I << LINE; 1417 } 1418 1419 #undef LINE 1420 }; 1421 1422 BaseCode = "template<typename T>\n" 1423 "T Pi = 3.14;"; 1424 ConstrainedCode = "template<typename T>\n" 1425 " requires Foo<T>\n" 1426 "T Pi = 3.14;"; 1427 BaseTokenCount = 11; 1428 RequiresTokenCount = 5; 1429 PrefixTokenCount = 5; 1430 TestRequires(__LINE__); 1431 1432 BaseCode = "template<typename T>\n" 1433 "struct Bar;"; 1434 ConstrainedCode = "template<typename T>\n" 1435 " requires Foo<T>\n" 1436 "struct Bar;"; 1437 BaseTokenCount = 9; 1438 TestRequires(__LINE__); 1439 1440 BaseCode = "template<typename T>\n" 1441 "struct Bar {\n" 1442 " T foo();\n" 1443 " T bar();\n" 1444 "};"; 1445 ConstrainedCode = "template<typename T>\n" 1446 " requires Foo<T>\n" 1447 "struct Bar {\n" 1448 " T foo();\n" 1449 " T bar();\n" 1450 "};"; 1451 BaseTokenCount = 21; 1452 TestRequires(__LINE__); 1453 1454 BaseCode = "template<typename T>\n" 1455 "Bar(T) -> Bar<T>;"; 1456 ConstrainedCode = "template<typename T>\n" 1457 " requires Foo<T>\n" 1458 "Bar(T) -> Bar<T>;"; 1459 BaseTokenCount = 16; 1460 TestRequires(__LINE__); 1461 1462 BaseCode = "template<typename T>\n" 1463 "T foo();"; 1464 ConstrainedCode = "template<typename T>\n" 1465 " requires Foo<T>\n" 1466 "T foo();"; 1467 BaseTokenCount = 11; 1468 TestRequires(__LINE__); 1469 1470 BaseCode = "template<typename T>\n" 1471 "T foo() {\n" 1472 " auto bar = baz();\n" 1473 " return bar + T{};\n" 1474 "}"; 1475 ConstrainedCode = "template<typename T>\n" 1476 " requires Foo<T>\n" 1477 "T foo() {\n" 1478 " auto bar = baz();\n" 1479 " return bar + T{};\n" 1480 "}"; 1481 BaseTokenCount = 26; 1482 TestRequires(__LINE__); 1483 1484 BaseCode = "template<typename T>\n" 1485 "T foo();"; 1486 ConstrainedCode = "template<typename T>\n" 1487 "T foo() requires Foo<T>;"; 1488 BaseTokenCount = 11; 1489 PrefixTokenCount = 9; 1490 TestRequires(__LINE__); 1491 1492 BaseCode = "template<typename T>\n" 1493 "T foo() {\n" 1494 " auto bar = baz();\n" 1495 " return bar + T{};\n" 1496 "}"; 1497 ConstrainedCode = "template<typename T>\n" 1498 "T foo() requires Foo<T> {\n" 1499 " auto bar = baz();\n" 1500 " return bar + T{};\n" 1501 "}"; 1502 BaseTokenCount = 26; 1503 TestRequires(__LINE__); 1504 1505 BaseCode = "template<typename T>\n" 1506 "T foo();"; 1507 ConstrainedCode = "template<typename T>\n" 1508 " requires(Foo<T>)\n" 1509 "T foo();"; 1510 BaseTokenCount = 11; 1511 RequiresTokenCount = 7; 1512 PrefixTokenCount = 5; 1513 TestRequires(__LINE__); 1514 1515 BaseCode = "template<typename T>\n" 1516 "Bar(T) -> Bar<typename T::I>;"; 1517 ConstrainedCode = "template<typename T>\n" 1518 " requires requires(T &&t) {\n" 1519 " typename T::I;\n" 1520 " }\n" 1521 "Bar(T) -> Bar<typename T::I>;"; 1522 BaseTokenCount = 19; 1523 RequiresTokenCount = 14; 1524 PrefixTokenCount = 5; 1525 TestRequires(__LINE__); 1526 1527 BaseCode = "struct [[nodiscard]] zero_t {\n" 1528 " template<class T>\n" 1529 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1530 "};"; 1531 ConstrainedCode = 1532 "struct [[nodiscard]] zero_t {\n" 1533 " template<class T>\n" 1534 " requires requires { v<T>; }\n" 1535 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1536 "};"; 1537 BaseTokenCount = 35; 1538 RequiresTokenCount = 9; 1539 PrefixTokenCount = 13; 1540 TestRequires(__LINE__); 1541 1542 BaseCode = "constexpr Foo(Foo const &other)\n" 1543 " : value{other.value} {\n" 1544 " do_magic();\n" 1545 " do_more_magic();\n" 1546 "}"; 1547 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1548 " requires std::is_copy_constructible<T>\n" 1549 " : value{other.value} {\n" 1550 " do_magic();\n" 1551 " do_more_magic();\n" 1552 "}"; 1553 BaseTokenCount = 26; 1554 RequiresTokenCount = 7; 1555 PrefixTokenCount = 8; 1556 TestRequires(__LINE__); 1557 1558 BaseCode = "constexpr Foo(Foo const &other)\n" 1559 " : value{other.value} {\n" 1560 " do_magic();\n" 1561 " do_more_magic();\n" 1562 "}"; 1563 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1564 " requires (std::is_copy_constructible<T>)\n" 1565 " : value{other.value} {\n" 1566 " do_magic();\n" 1567 " do_more_magic();\n" 1568 "}"; 1569 RequiresTokenCount = 9; 1570 TestRequires(__LINE__); 1571 1572 BaseCode = "template<typename T>\n" 1573 "ANNOTATE(\"S\"\n" 1574 " \"S\")\n" 1575 "void foo();"; 1576 ConstrainedCode = "template<typename T>\n" 1577 " requires(true)\n" 1578 "ANNOTATE(\"S\"\n" 1579 " \"S\")\n" 1580 "void foo();"; 1581 BaseTokenCount = 16; 1582 RequiresTokenCount = 4; 1583 PrefixTokenCount = 5; 1584 TestRequires(__LINE__); 1585 } 1586 1587 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1588 auto Tokens = annotate("__asm{\n" 1589 "\"a\":\n" 1590 ": x\n" 1591 ":};"); 1592 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1593 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1594 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1595 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1596 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1597 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1598 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1599 1600 Tokens = annotate("__asm(\n" 1601 "\"a\":\n" 1602 ": x\n" 1603 ":);"); 1604 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1605 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1606 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1607 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1608 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1609 1610 Tokens = annotate("asm volatile (\n" 1611 "\"a_label:\"\n" 1612 ":\n" 1613 ": x\n" 1614 ":);"); 1615 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1616 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1617 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1618 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1619 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1620 1621 Tokens = annotate("__asm__(\n" 1622 "\"a_label:\"\n" 1623 ": x\n" 1624 ":\n" 1625 ": y);"); 1626 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1627 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1628 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1629 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1630 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1631 1632 Tokens = annotate("__asm volatile (\n" 1633 "\"a_label:\"\n" 1634 "\"a b c(%%x)\"\n" 1635 ":\n" 1636 ": x\n" 1637 ":);"); 1638 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1639 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1640 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1641 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1642 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1643 1644 Tokens = annotate("asm(\n" 1645 "\"insn\"\n" 1646 ": \"=r\" (var1), \"=&r\" (value)\n" 1647 ":\n" 1648 ": \"memory\");"); 1649 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1650 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1651 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1652 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1653 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1654 1655 Tokens = annotate("__asm__ volatile (\n" 1656 "\"ldr r1, [r0, %%[sym]]\"\n" 1657 ":\n" 1658 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1659 ");"); 1660 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1661 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1662 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1663 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1664 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1665 } 1666 1667 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1668 auto Tokens = annotate("int (^)() = ^ ()\n" 1669 " external_source_symbol() { //\n" 1670 " return 1;\n" 1671 "};"); 1672 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1673 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1674 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1675 1676 Tokens = annotate("int *p = ^int*(){ //\n" 1677 " return nullptr;\n" 1678 "}();"); 1679 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1680 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1681 } 1682 1683 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1684 auto Tokens = annotate("void f() {\n" 1685 " //\n" 1686 " BOOL a = [b.c n] > 1;\n" 1687 "}"); 1688 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1689 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1690 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1691 } 1692 1693 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1694 auto Tokens = annotate("[]() constexpr {}"); 1695 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1696 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1697 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1698 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1699 1700 Tokens = annotate("[]() consteval {}"); 1701 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1702 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1703 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1704 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1705 1706 Tokens = annotate("[]() mutable {}"); 1707 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1708 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1709 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1710 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1711 1712 Tokens = annotate("[]() static {}"); 1713 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1714 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1715 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1716 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1717 1718 Tokens = annotate("[]() -> auto {}"); 1719 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1720 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1721 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1722 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1723 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1724 1725 Tokens = annotate("[]() -> auto & {}"); 1726 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1727 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1728 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1729 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1730 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1731 1732 Tokens = annotate("[]() -> auto * {}"); 1733 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1734 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1735 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1736 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1737 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1738 1739 Tokens = annotate("[] {}"); 1740 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1741 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1742 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1743 1744 Tokens = annotate("[] noexcept {}"); 1745 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1746 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1747 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1748 1749 Tokens = annotate("[] -> auto {}"); 1750 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1751 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1752 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1753 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1754 1755 Tokens = annotate("[] -> struct S { return {}; }"); 1756 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1757 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1758 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1759 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1760 1761 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1762 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1763 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1764 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1765 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1766 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1767 1768 Tokens = annotate("[] <typename T> () {}"); 1769 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1770 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1771 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1772 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1773 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1774 1775 Tokens = annotate("[] <typename T> {}"); 1776 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1777 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1778 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1779 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1780 1781 Tokens = annotate("[] <typename... T> () {}"); 1782 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1783 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1784 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1785 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1786 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1787 1788 Tokens = annotate("[] <typename... T> {}"); 1789 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1790 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1791 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1792 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1793 1794 Tokens = annotate("[] <int... T> () {}"); 1795 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1796 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1797 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1798 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1799 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1800 1801 Tokens = annotate("[] <int... T> {}"); 1802 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1803 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1804 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1805 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1806 1807 Tokens = annotate("[] <Foo... T> () {}"); 1808 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1809 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1810 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1811 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1812 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1813 1814 Tokens = annotate("[] <Foo... T> {}"); 1815 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1816 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1817 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1818 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1819 1820 // Lambdas with a requires-clause 1821 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1822 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1823 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1824 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1825 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1826 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1827 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1828 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1829 1830 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1831 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1832 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1833 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1834 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1835 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1836 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1837 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1838 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1839 1840 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1841 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1842 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1843 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1844 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1845 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1846 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1847 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1848 1849 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1850 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1851 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1852 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1853 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1854 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1855 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1856 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1857 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1858 1859 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1860 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1861 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1862 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1863 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1864 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1865 // FIXME: 1866 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1867 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1868 1869 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1870 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1871 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1872 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1873 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1874 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1875 // FIXME: 1876 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1877 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1878 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1879 1880 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1881 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1882 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1883 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1884 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1885 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1886 // FIXME: 1887 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1888 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1889 1890 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1891 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1892 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1893 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1894 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1895 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1896 // FIXME: 1897 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1898 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1899 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1900 1901 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1902 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1903 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1904 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1905 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1906 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1907 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1908 1909 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1910 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1911 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1912 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1913 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1914 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1915 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1916 1917 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1918 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1919 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1920 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1921 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1922 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1923 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1924 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1925 1926 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1927 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1928 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1929 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1930 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1931 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1932 // FIXME: 1933 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1934 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1935 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1936 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1937 1938 Tokens = annotate("[] <typename T = int> (T t) {}"); 1939 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1940 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1941 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1942 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1943 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1944 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1945 1946 Tokens = annotate("[] <int I = 0> (T t) {}"); 1947 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1948 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1949 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1950 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1951 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1952 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1953 1954 Tokens = annotate("[] <bool b = false> (T t) {}"); 1955 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1956 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1957 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1958 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1959 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1960 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1961 1962 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1963 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1964 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1965 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1966 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1967 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1968 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 1969 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1970 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1971 1972 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1973 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1974 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1975 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1976 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1977 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1978 // FIXME: 1979 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 1980 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1981 } 1982 1983 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1984 auto Tokens = annotate("template <typename T>\n" 1985 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1986 "string OldFunction(const string ¶meter) {}"); 1987 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1988 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1989 1990 Tokens = annotate("template <typename T>\n" 1991 "A(T) noexcept;"); 1992 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1993 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1994 1995 Tokens = annotate("FOO(bar)();"); 1996 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1997 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 1998 } 1999 2000 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2001 auto Tokens = annotate("void f [[noreturn]] ();"); 2002 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2003 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2004 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2005 2006 Tokens = annotate("void f [[noreturn]] () {}"); 2007 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2008 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2009 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2010 2011 Tokens = annotate("#define FOO Foo::\n" 2012 "FOO Foo();"); 2013 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2014 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2015 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2016 2017 Tokens = annotate("struct Foo {\n" 2018 " Bar (*func)();\n" 2019 "};"); 2020 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2021 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2022 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2023 2024 Tokens = annotate("void instanceof();"); 2025 ASSERT_EQ(Tokens.size(), 6u); 2026 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2027 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2028 2029 Tokens = annotate("int iso_time(time_t);"); 2030 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2031 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2032 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2033 2034 auto Style = getLLVMStyle(); 2035 Style.TypeNames.push_back("MyType"); 2036 Tokens = annotate("int iso_time(MyType);", Style); 2037 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2038 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2039 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2040 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2041 } 2042 2043 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2044 auto Tokens = annotate("class Foo { public: Foo(); };"); 2045 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2046 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2047 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2048 2049 Tokens = annotate("class Foo { public: ~Foo(); };"); 2050 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2051 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2052 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2053 2054 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2055 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2056 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2057 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2058 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2059 2060 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2061 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2062 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2063 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2064 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2065 2066 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2067 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2068 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2069 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2070 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2071 2072 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2073 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2074 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2075 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2076 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2077 2078 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2079 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2080 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2081 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2082 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2083 2084 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2085 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2086 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2087 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2088 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2089 2090 Tokens = annotate("Foo::Foo() {}"); 2091 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2092 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2093 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2094 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2095 2096 Tokens = annotate("Foo::~Foo() {}"); 2097 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2098 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2099 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2100 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2101 2102 Tokens = annotate("struct Test {\n" 2103 " Test()\n" 2104 " : l([] {\n" 2105 " Short::foo();\n" 2106 " }) {}\n" 2107 "};"); 2108 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2109 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2110 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2111 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2112 } 2113 2114 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2115 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2116 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2117 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2118 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2119 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2120 } 2121 2122 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2123 auto Tokens = annotate("auto f() -> int;"); 2124 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2125 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2126 2127 Tokens = annotate("auto operator->() -> int;"); 2128 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2129 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2130 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2131 2132 Tokens = annotate("auto operator++(int) -> int;"); 2133 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2134 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2135 2136 Tokens = annotate("auto operator=() -> int;"); 2137 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2138 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2139 2140 Tokens = annotate("auto operator=(int) -> int;"); 2141 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2142 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2143 2144 Tokens = annotate("auto foo() -> auto { return Val; }"); 2145 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2146 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2147 2148 Tokens = annotate("struct S { auto bar() const -> int; };"); 2149 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2150 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2151 2152 // Not trailing return arrows 2153 Tokens = annotate("auto a = b->c;"); 2154 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2155 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2156 2157 Tokens = annotate("auto a = (b)->c;"); 2158 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2159 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2160 2161 Tokens = annotate("auto a = b()->c;"); 2162 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2163 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2164 2165 Tokens = annotate("auto a = b->c();"); 2166 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2167 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2168 2169 Tokens = annotate("decltype(auto) a = b()->c;"); 2170 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2171 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2172 2173 Tokens = annotate("void f() { auto a = b->c(); }"); 2174 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2175 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2176 2177 Tokens = annotate("void f() { auto a = b()->c; }"); 2178 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2179 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2180 2181 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2182 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2183 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2184 2185 Tokens = annotate("void f() FOO(foo->bar);"); 2186 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2187 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2188 2189 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2190 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2191 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2192 2193 auto Style = getLLVMStyle(); 2194 Style.StatementAttributeLikeMacros.push_back("emit"); 2195 Tokens = annotate("emit foo()->bar;", Style); 2196 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2197 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2198 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2199 2200 // Mixed 2201 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2202 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2203 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2204 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2205 } 2206 2207 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2208 auto Tokens = annotate("#define Foo(Bar) \\\n" 2209 " { \\\n" 2210 " #Bar \\\n" 2211 " }"); 2212 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2213 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2214 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2215 2216 Tokens = annotate("#define Foo(Bar) \\\n" 2217 " { #Bar }"); 2218 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2219 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2220 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2221 2222 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2223 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2224 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2225 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2226 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2227 } 2228 2229 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2230 // '__attribute__' has special handling. 2231 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2232 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2233 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2234 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2235 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2236 2237 // Generic macro has no special handling in this location. 2238 Tokens = annotate("A(X) void Foo(void);"); 2239 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2240 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2241 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2242 2243 // Add a custom AttributeMacro. Test that it has the same behavior. 2244 FormatStyle Style = getLLVMStyle(); 2245 Style.AttributeMacros.push_back("A"); 2246 2247 // An "AttributeMacro" gets annotated like '__attribute__'. 2248 Tokens = annotate("A(X) void Foo(void);", Style); 2249 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2250 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2251 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2252 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2253 } 2254 2255 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2256 // '__attribute__' has special handling. 2257 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2258 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2259 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2260 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2261 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2262 2263 // Generic macro has no special handling in this location. 2264 Tokens = annotate("A(X) @interface Foo"); 2265 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2266 // Note: Don't check token-type as a random token in this position is hard to 2267 // reason about. 2268 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2269 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2270 2271 // Add a custom AttributeMacro. Test that it has the same behavior. 2272 FormatStyle Style = getLLVMStyle(); 2273 Style.AttributeMacros.push_back("A"); 2274 2275 // An "AttributeMacro" gets annotated like '__attribute__'. 2276 Tokens = annotate("A(X) @interface Foo", Style); 2277 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2278 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2279 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2280 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2281 } 2282 2283 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2284 // '__attribute__' has special handling. 2285 auto Tokens = annotate("- (id)init __attribute__((X));"); 2286 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2287 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2288 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2289 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2290 2291 // Generic macro has no special handling in this location. 2292 Tokens = annotate("- (id)init A(X);"); 2293 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2294 // Note: Don't check token-type as a random token in this position is hard to 2295 // reason about. 2296 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2297 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2298 2299 // Add a custom AttributeMacro. Test that it has the same behavior. 2300 FormatStyle Style = getLLVMStyle(); 2301 Style.AttributeMacros.push_back("A"); 2302 2303 // An "AttributeMacro" gets annotated like '__attribute__'. 2304 Tokens = annotate("- (id)init A(X);", Style); 2305 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2306 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2307 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2308 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2309 } 2310 2311 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2312 // '__attribute__' has special handling. 2313 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2314 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2315 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2316 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2317 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2318 2319 // Generic macro has no special handling in this location. 2320 Tokens = annotate("@property(weak) id delegate A(X);"); 2321 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2322 // Note: Don't check token-type as a random token in this position is hard to 2323 // reason about. 2324 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2325 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2326 2327 // Add a custom AttributeMacro. Test that it has the same behavior. 2328 FormatStyle Style = getLLVMStyle(); 2329 Style.AttributeMacros.push_back("A"); 2330 2331 // An "AttributeMacro" gets annotated like '__attribute__'. 2332 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2333 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2334 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2335 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2336 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2337 } 2338 2339 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2340 auto Annotate = [this](StringRef Code) { 2341 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2342 }; 2343 // Test that unary operators get labeled as such and that operators like '++' 2344 // don't get split. 2345 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2346 tok::tilde, tok::amp, tok::pipe, 2347 tok::caret, tok::plusplus, tok::minusminus}; 2348 for (auto Kind : Unary) { 2349 auto Tokens = 2350 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2351 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2352 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2353 } 2354 // Operators formed by joining two operators like '^~'. For some of these 2355 // joined operators, we don't have a separate type, so we only test for their 2356 // precedence. 2357 std::pair<prec::Level, std::string> JoinedBinary[] = { 2358 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2359 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2360 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2361 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2362 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2363 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2364 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2365 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2366 {prec::Equality, "!="}, {prec::Equality, "==="}, 2367 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2368 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2369 {prec::ExclusiveOr, "^~"}, 2370 }; 2371 for (auto Operator : JoinedBinary) { 2372 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2373 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2374 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2375 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2376 } 2377 // '~^' and '^~' can be unary as well as binary operators. 2378 auto Tokens = Annotate("x = ~^x;"); 2379 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2380 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2381 Tokens = Annotate("x = ^~x;"); 2382 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2383 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2384 // The unary operators '~&' and '~|' can only be unary operators. The current 2385 // implementation treats each of them as separate unary '~' and '&' or '|' 2386 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2387 // there is a test that there is no space in between. And even if a new line 2388 // is inserted between the '~' and '|', the semantic meaning is the same as 2389 // the joined operator, so the CanBreakBefore property doesn't need to be 2390 // false for the second operator. 2391 Tokens = Annotate("x = ~&x;"); 2392 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2393 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2394 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2395 Tokens = Annotate("x = ~|x;"); 2396 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2397 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2398 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2399 // Test for block label colons. 2400 Tokens = Annotate("begin : x\n" 2401 "end : x"); 2402 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2403 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2404 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2405 // Test that the dimension colon is annotated correctly. 2406 Tokens = Annotate("var [1 : 0] x;"); 2407 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2408 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2409 Tokens = Annotate("extern function [1 : 0] x;"); 2410 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2411 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2412 Tokens = Annotate("module test\n" 2413 " (input wire [7 : 0] a[7 : 0]);\n" 2414 "endmodule"); 2415 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2416 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2417 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2418 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2419 // Test case labels and ternary operators. 2420 Tokens = Annotate("case (x)\n" 2421 " x:\n" 2422 " x;\n" 2423 "endcase"); 2424 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2425 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2426 Tokens = Annotate("case (x)\n" 2427 " x ? x : x:\n" 2428 " x;\n" 2429 "endcase"); 2430 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2431 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2432 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2433 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2434 // Non-blocking assignments. 2435 Tokens = Annotate("a <= b;"); 2436 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2437 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2438 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2439 Tokens = Annotate("if (a <= b) break;"); 2440 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2441 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2442 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2443 Tokens = Annotate("a <= b <= a;"); 2444 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2445 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2446 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2447 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2448 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2449 2450 // Port lists in module instantiation. 2451 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2452 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2453 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2454 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2455 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2456 "instance_2(port_2);"); 2457 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2458 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2459 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2460 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2461 2462 // Condition parentheses. 2463 Tokens = Annotate("assert (x);"); 2464 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2465 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2466 Tokens = Annotate("assert #0 (x);"); 2467 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2468 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2469 Tokens = Annotate("assert final (x);"); 2470 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2471 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2472 Tokens = Annotate("foreach (x[x]) continue;"); 2473 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2474 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2475 Tokens = Annotate("repeat (x[x]) continue;"); 2476 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2477 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2478 Tokens = Annotate("case (x) endcase;"); 2479 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2480 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2481 2482 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2483 // future, please adapt if those tokens get annotated. This test is only here 2484 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2485 Tokens = Annotate("always @(posedge x, posedge y);"); 2486 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2487 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2488 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2489 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2490 2491 // String literals in concatenation. 2492 Tokens = Annotate("x = {\"\"};"); 2493 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2494 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2495 Tokens = Annotate("x = {\"\", \"\"};"); 2496 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2497 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2498 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2499 Tokens = Annotate("x = '{{\"\"}};"); 2500 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2501 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2502 // Cases where the string should not be annotated that type. Fix the 2503 // `TT_Unknown` if needed in the future. 2504 Tokens = Annotate("x = {\"\" == \"\"};"); 2505 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2506 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2507 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2508 Tokens = Annotate("x = {(\"\")};"); 2509 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2510 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2511 Tokens = Annotate("x = '{\"\"};"); 2512 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2513 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2514 } 2515 2516 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2517 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2518 ASSERT_TRUE(Style.isTableGen()); 2519 2520 TestLexer Lexer(Allocator, Buffers, Style); 2521 AdditionalKeywords Keywords(Lexer.IdentTable); 2522 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2523 2524 // Additional keywords representation test. 2525 auto Tokens = Annotate("def foo : Bar<1>;"); 2526 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2527 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2528 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2529 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2530 2531 // Code, the multiline string token. 2532 Tokens = Annotate("[{ code is multiline string }]"); 2533 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2534 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2535 EXPECT_FALSE(Tokens[0]->IsMultiline); 2536 // Case with multiple lines. 2537 Tokens = Annotate("[{ It can break\n" 2538 " across lines and the line breaks\n" 2539 " are retained in \n" 2540 " the string. }]"); 2541 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2542 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2543 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2544 EXPECT_TRUE(Tokens[0]->IsMultiline); 2545 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2546 2547 // Numeric literals. 2548 Tokens = Annotate("1234"); 2549 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2550 Tokens = Annotate("-1"); 2551 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2552 Tokens = Annotate("+1234"); 2553 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2554 Tokens = Annotate("0b0110"); 2555 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2556 Tokens = Annotate("0x1abC"); 2557 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2558 2559 // Identifier tokens. In TableGen, identifiers can begin with a number. 2560 // In ambiguous cases, the lexer tries to lex it as a number. 2561 // Even if the try fails, it does not fall back to identifier lexing and 2562 // regard as an error. 2563 // The ambiguity is not documented. The result of those tests are based on the 2564 // implementation of llvm::TGLexer::LexToken. 2565 // This is invalid syntax of number, but not an identifier. 2566 Tokens = Annotate("0x1234x"); 2567 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2568 Tokens = Annotate("identifier"); 2569 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2570 // Identifier beginning with a number. 2571 Tokens = Annotate("0x"); 2572 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2573 Tokens = Annotate("2dVector"); 2574 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2575 Tokens = Annotate("01234Vector"); 2576 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2577 2578 // Structured statements. 2579 Tokens = Annotate("class Foo {}"); 2580 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2581 Tokens = Annotate("def Def: Foo {}"); 2582 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2583 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2584 Tokens = Annotate("if cond then {} else {}"); 2585 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2586 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2587 Tokens = Annotate("defset Foo Def2 = {}"); 2588 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2589 2590 // Bang Operators. 2591 Tokens = Annotate("!foreach"); 2592 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2593 Tokens = Annotate("!if"); 2594 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2595 Tokens = Annotate("!cond"); 2596 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2597 2598 auto AnnotateValue = [this, &Style](StringRef Code) { 2599 // Values are annotated only in specific context. 2600 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2601 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2602 }; 2603 // Both of bang/cond operators. 2604 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2605 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2606 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2607 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2608 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2609 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2610 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2611 // DAGArg values with operator identifier 2612 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2613 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2614 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2615 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2616 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2617 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2618 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2619 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2620 // List literal 2621 Tokens = AnnotateValue("[1, 2, 3]"); 2622 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2623 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2624 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2625 // Suffixes of values 2626 Tokens = AnnotateValue("valid.field"); 2627 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2628 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2629 // Code 2630 Tokens = AnnotateValue("[{ code is multiline string }]"); 2631 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2632 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2633 2634 // The definition 2635 Tokens = annotate("def Def : Parent<Child> {}", Style); 2636 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2637 // We use inheritance colon and function brace. They are enough. 2638 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2639 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2640 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2641 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2642 2643 // DAGArg breaking options. They use different token types depending on what 2644 // is specified. 2645 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2646 2647 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2648 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2649 // elements to have line break. 2650 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2651 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2652 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2653 EXPECT_TOKEN(Tokens[1], tok::identifier, 2654 TT_TableGenDAGArgOperatorID); // ins 2655 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2656 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2657 2658 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2659 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2660 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2661 EXPECT_TOKEN(Tokens[1], tok::identifier, 2662 TT_TableGenDAGArgOperatorID); // other 2663 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2664 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2665 2666 // For non-identifier operators, breaks after the operator. 2667 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2668 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2669 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2670 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2671 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2672 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2673 2674 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2675 2676 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2677 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2678 // to have line break inside it. 2679 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2680 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2681 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2682 EXPECT_TOKEN(Tokens[1], tok::identifier, 2683 TT_TableGenDAGArgOperatorToBreak); // ins 2684 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2685 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2686 2687 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2688 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2689 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2690 EXPECT_TOKEN(Tokens[1], tok::identifier, 2691 TT_TableGenDAGArgOperatorToBreak); // other 2692 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2693 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2694 2695 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2696 // specified operators. 2697 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2698 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2699 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2700 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2701 EXPECT_TOKEN(Tokens[1], tok::identifier, 2702 TT_TableGenDAGArgOperatorToBreak); // ins 2703 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2704 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2705 2706 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2707 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2708 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2709 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2710 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2711 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2712 2713 // If TableGenBreakingDAGArgOperators is enabled, it uses 2714 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2715 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2716 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2717 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2718 EXPECT_TOKEN(Tokens[1], tok::identifier, 2719 TT_TableGenDAGArgOperatorToBreak); // ins 2720 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2721 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2722 2723 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2724 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2725 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2726 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2727 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2728 } 2729 2730 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2731 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2732 2733 // The TT_Unknown is clearly not binding for the future, please adapt if those 2734 // tokens get annotated. 2735 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2736 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2737 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2738 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2739 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2740 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2741 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2742 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2743 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2744 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2745 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2746 2747 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2748 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2749 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2750 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2751 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2752 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2753 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2754 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2755 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2756 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2757 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2758 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2759 2760 Tokens = annotate("class Class {\n" 2761 " Class() : BaseClass() {\n" 2762 "#if 0\n" 2763 " // comment\n" 2764 "#endif\n" 2765 " }\n" 2766 " Class f();\n" 2767 "}"); 2768 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2769 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2770 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2771 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2772 } 2773 2774 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2775 auto Tokens = annotate("if (x) {}"); 2776 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2777 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2778 Tokens = annotate("if constexpr (x) {}"); 2779 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2780 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2781 Tokens = annotate("if CONSTEXPR (x) {}"); 2782 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2783 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2784 Tokens = annotate("if (x) {} else if (x) {}"); 2785 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2786 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2787 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2788 } 2789 2790 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2791 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2792 2793 auto Tokens = annotate("int? a;", Style); 2794 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2795 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2796 2797 Tokens = annotate("int? a = 1;", Style); 2798 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2799 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2800 2801 Tokens = annotate("int?)", Style); 2802 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2803 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2804 2805 Tokens = annotate("int?>", Style); 2806 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2807 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2808 2809 Tokens = annotate("cond? id : id2", Style); 2810 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2811 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2812 2813 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2814 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2815 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2816 } 2817 2818 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2819 auto Tokens = annotate("{ x: break; }"); 2820 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2821 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2822 2823 Tokens = annotate("{ case x: break; }"); 2824 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2825 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2826 2827 Tokens = annotate("{ x: { break; } }"); 2828 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2829 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2830 2831 Tokens = annotate("{ case x: { break; } }"); 2832 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2833 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2834 2835 Tokens = annotate("#define FOO label:"); 2836 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2837 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2838 2839 Tokens = annotate("#define FOO \\\n" 2840 "label: \\\n" 2841 " break;"); 2842 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2843 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2844 } 2845 2846 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2847 // The closing braces are not annotated. It doesn't seem to cause a problem. 2848 // So we only test for the opening braces. 2849 auto Tokens = annotate("{\n" 2850 " {\n" 2851 " { int a = 0; }\n" 2852 " }\n" 2853 " {}\n" 2854 "}"); 2855 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2856 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2857 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2858 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2859 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2860 } 2861 2862 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2863 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2864 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2865 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2866 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2867 2868 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2869 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2870 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2871 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2872 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2873 2874 Tokens = annotate("SomeStruct {\n" 2875 "#ifdef FOO\n" 2876 " .a = 1,\n" 2877 "#endif\n" 2878 " .b = 2\n" 2879 "};"); 2880 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2881 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2882 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2883 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2884 2885 Tokens = annotate("SomeStruct {\n" 2886 "#if defined FOO\n" 2887 " .a = 1,\n" 2888 "#endif\n" 2889 " .b = 2\n" 2890 "};"); 2891 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2892 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2893 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2894 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2895 2896 Tokens = annotate("Foo foo[] = {[0]{}};"); 2897 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2898 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2899 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2900 } 2901 2902 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2903 auto Annotate = [this](StringRef Code) { 2904 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2905 }; 2906 2907 // Dictionary. 2908 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2909 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2910 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2911 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2912 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2913 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2914 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2915 // Change when we need to annotate these. 2916 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2917 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2918 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2919 } 2920 2921 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2922 auto Tokens = annotate("bool foo __attribute__((unused));"); 2923 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2924 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2925 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2926 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2927 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2928 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2929 2930 Tokens = annotate("bool foo __declspec(dllimport);"); 2931 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2932 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2933 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2934 2935 Tokens = annotate("bool __attribute__((unused)) foo;"); 2936 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2937 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2938 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2939 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2940 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2941 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2942 2943 Tokens = annotate("void __attribute__((x)) Foo();"); 2944 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2945 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2946 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2947 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2948 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2949 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2950 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2951 2952 FormatStyle Style = getLLVMStyle(); 2953 Style.AttributeMacros.push_back("FOO"); 2954 Tokens = annotate("bool foo FOO(unused);", Style); 2955 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2956 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2957 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2958 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2959 } 2960 2961 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2962 auto Tokens = annotate("while (true) {}"); 2963 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2964 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2965 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2966 2967 Tokens = annotate("for (;;) {}"); 2968 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2969 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2970 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2971 2972 Tokens = annotate("do {} while (true);"); 2973 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2974 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2975 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2976 2977 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2978 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2979 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2980 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2981 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2982 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2983 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2984 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2985 2986 Tokens = annotate("switch (foo) {}"); 2987 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2988 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2989 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2990 } 2991 2992 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2993 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2994 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2995 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2996 2997 Tokens = annotate("do ++i; while ( i > 5 );"); 2998 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2999 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3000 } 3001 3002 TEST_F(TokenAnnotatorTest, StartOfName) { 3003 auto Tokens = annotate("#pragma clang diagnostic push"); 3004 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3005 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3006 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3007 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3008 3009 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3010 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3011 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3012 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3013 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3014 3015 Tokens = annotate("#define FOO Foo foo"); 3016 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3017 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3018 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3019 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3020 3021 Tokens = annotate("@interface NSCoder (TestCoder)"); 3022 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3023 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3024 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3025 3026 auto Style = getLLVMStyle(); 3027 Style.StatementAttributeLikeMacros.push_back("emit"); 3028 Tokens = annotate("emit foo = 0;", Style); 3029 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3030 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3031 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3032 } 3033 3034 TEST_F(TokenAnnotatorTest, BraceKind) { 3035 auto Tokens = annotate("void f() {};"); 3036 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3037 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3038 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3039 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3040 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3041 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3042 3043 Tokens = annotate("class Foo<int> f() {}"); 3044 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3045 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3046 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3047 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3048 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3049 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3050 3051 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3052 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3053 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3054 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3055 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3056 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3057 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3058 3059 Tokens = annotate("void f() override {};"); 3060 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3061 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3062 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3063 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3064 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3065 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3066 3067 Tokens = annotate("void f() noexcept(false) {};"); 3068 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3069 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3070 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3071 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3072 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3073 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3074 3075 Tokens = annotate("auto f() -> void {};"); 3076 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3077 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3078 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3079 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3080 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3081 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3082 3083 Tokens = annotate("void f() { /**/ };"); 3084 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3085 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3086 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3087 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3088 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3089 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3090 3091 Tokens = annotate("void f() { //\n" 3092 "};"); 3093 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3094 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3095 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3096 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3097 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3098 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3099 3100 Tokens = annotate("void f() {\n" 3101 " //\n" 3102 "};"); 3103 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3104 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3105 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3106 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3107 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3108 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3109 3110 Tokens = annotate("struct Foo {\n" 3111 " Foo() {};\n" 3112 " ~Foo() {};\n" 3113 "};"); 3114 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3115 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3116 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3117 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3118 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3119 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3120 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3121 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3122 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3123 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3124 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3125 3126 Tokens = annotate("{\n" 3127 " char *a[] = {\n" 3128 " /* abc */ \"abc\",\n" 3129 "#if FOO\n" 3130 " /* xyz */ \"xyz\",\n" 3131 "#endif\n" 3132 " /* last */ \"last\"};\n" 3133 "}"); 3134 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3135 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3136 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3137 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3138 3139 Tokens = 3140 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3141 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3142 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3143 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3144 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3145 3146 Tokens = annotate("struct {};"); 3147 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3148 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3149 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3150 3151 Tokens = annotate("struct : Base {};"); 3152 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3153 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3154 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3155 3156 Tokens = annotate("struct Foo {};"); 3157 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3158 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3159 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3160 3161 Tokens = annotate("struct ::Foo {};"); 3162 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3163 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3164 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3165 3166 Tokens = annotate("struct NS::Foo {};"); 3167 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3168 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3169 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3170 3171 Tokens = annotate("struct Foo<int> {};"); 3172 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3173 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3174 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3175 3176 Tokens = annotate("struct Foo<int>::Bar {};"); 3177 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3178 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3179 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3180 3181 Tokens = annotate("struct Foo<int> : Base {};"); 3182 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3183 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3184 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3185 3186 Tokens = annotate("struct Foo final {};"); 3187 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3188 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3189 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3190 3191 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3192 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3193 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3194 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3195 3196 Tokens = annotate("struct Foo x{};"); 3197 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3198 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3199 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3200 3201 Tokens = annotate("struct ::Foo x{};"); 3202 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3203 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3204 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3205 3206 Tokens = annotate("struct NS::Foo x{};"); 3207 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3208 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3209 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3210 3211 Tokens = annotate("struct Foo<int> x{};"); 3212 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3213 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3214 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3215 3216 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3217 "#else\n" 3218 "#endif\n" 3219 "class RenderingServer : Object {\n" 3220 "#ifndef DISABLE_DEPRECATED\n" 3221 " enum Features {\n" 3222 " FEATURE_SHADERS,\n" 3223 " FEATURE_MULTITHREADED,\n" 3224 " };\n" 3225 "#endif\n" 3226 "};"); 3227 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3228 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3229 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3230 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3231 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3232 3233 Tokens = annotate("{\n" 3234 "#define M(x) \\\n" 3235 " return {#x};\n" 3236 "}"); 3237 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3238 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3239 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3240 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3241 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3242 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3243 3244 Tokens = annotate("a = class extends goog.a {};", 3245 getGoogleStyle(FormatStyle::LK_JavaScript)); 3246 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3247 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3248 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3249 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3250 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3251 3252 Tokens = annotate("#define FOO(X) \\\n" 3253 " struct X##_tag_ {};"); 3254 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3255 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3256 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3257 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3258 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3259 } 3260 3261 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3262 auto Tokens = annotate("auto foo() -> enum En {}"); 3263 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3264 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3265 } 3266 3267 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3268 auto Tokens = annotate("{\n" 3269 " {\n" 3270 " foo();\n" 3271 " }\n" 3272 "}"); 3273 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3274 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3275 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3276 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3277 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3278 3279 Tokens = annotate("void bar() {\n" 3280 " {\n" 3281 " foo();\n" 3282 " }\n" 3283 "}"); 3284 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3285 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3286 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3287 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3288 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3289 3290 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3291 getLLVMStyle(FormatStyle::LK_ObjC)); 3292 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3293 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3294 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3295 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3296 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3297 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3298 } 3299 3300 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3301 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3302 auto Tokens = annotate("i = switch (day) {\n" 3303 " case THURSDAY, SATURDAY -> 8;\n" 3304 " case WEDNESDAY -> 9;\n" 3305 " default -> 1;\n" 3306 "};", 3307 Style); 3308 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3309 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3310 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3311 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3312 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3313 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3314 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3315 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3316 } 3317 3318 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3319 auto Tokens = annotate("a = b and c;"); 3320 ASSERT_EQ(Tokens.size(), 7u); 3321 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3322 3323 Tokens = annotate("a = b and_eq c;"); 3324 ASSERT_EQ(Tokens.size(), 7u); 3325 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3326 3327 Tokens = annotate("a = b bitand c;"); 3328 ASSERT_EQ(Tokens.size(), 7u); 3329 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3330 3331 Tokens = annotate("a = b bitor c;"); 3332 ASSERT_EQ(Tokens.size(), 7u); 3333 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3334 3335 Tokens = annotate("a = b compl c;"); 3336 ASSERT_EQ(Tokens.size(), 7u); 3337 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3338 3339 Tokens = annotate("a = b not c;"); 3340 ASSERT_EQ(Tokens.size(), 7u); 3341 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3342 3343 Tokens = annotate("a = b not_eq c;"); 3344 ASSERT_EQ(Tokens.size(), 7u); 3345 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3346 3347 Tokens = annotate("a = b or c;"); 3348 ASSERT_EQ(Tokens.size(), 7u); 3349 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3350 3351 Tokens = annotate("a = b or_eq c;"); 3352 ASSERT_EQ(Tokens.size(), 7u); 3353 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3354 3355 Tokens = annotate("a = b xor c;"); 3356 ASSERT_EQ(Tokens.size(), 7u); 3357 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3358 3359 Tokens = annotate("a = b xor_eq c;"); 3360 ASSERT_EQ(Tokens.size(), 7u); 3361 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3362 3363 Tokens = annotate("xor = foo;"); 3364 ASSERT_EQ(Tokens.size(), 5u); 3365 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3366 3367 Tokens = annotate("int xor = foo;"); 3368 ASSERT_EQ(Tokens.size(), 6u); 3369 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3370 } 3371 3372 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3373 auto Tokens = 3374 annotate("Foo::Foo(int x, int y) try\n" 3375 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3376 "} catch (...) {\n" 3377 "}"); 3378 ASSERT_EQ(Tokens.size(), 45u); 3379 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3380 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3381 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3382 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3383 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3384 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3385 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3386 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3387 } 3388 3389 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3390 auto Style = getLLVMStyle(); 3391 Style.TypenameMacros.push_back("STRUCT"); 3392 3393 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3394 ASSERT_EQ(Tokens.size(), 13u); 3395 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3396 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3397 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3398 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3399 } 3400 3401 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3402 auto Style = getGNUStyle(); 3403 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3404 3405 auto Tokens = annotate("return 1 <=> 2;", Style); 3406 ASSERT_EQ(Tokens.size(), 6u); 3407 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3408 } 3409 3410 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3411 auto Style = getLLVMStyle(); 3412 Style.ColumnLimit = 20; 3413 3414 auto Tokens = annotate("class foo {\n" 3415 " auto bar()\n" 3416 " -> bool;\n" 3417 "};", 3418 Style); 3419 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3420 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3421 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3422 } 3423 3424 } // namespace 3425 } // namespace format 3426 } // namespace clang 3427