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 Tokens = annotate("if (Foo *foo; bar)"); 298 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 299 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 300 301 Tokens = annotate("if (Foo **foo(); bar)"); 302 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 303 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 304 EXPECT_TOKEN(Tokens[4], tok::star, TT_PointerOrReference); 305 306 Tokens = annotate("if (Foo *&foo{a}; bar)"); 307 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 308 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 309 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 310 311 FormatStyle Style = getLLVMStyle(); 312 Style.TypeNames.push_back("MYI"); 313 Tokens = annotate("if (MYI *p{nullptr})", Style); 314 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 315 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 316 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 317 318 Style.TypeNames.push_back("Class"); 319 Tokens = annotate("if (Class *obj {getObj()})", Style); 320 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 321 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 322 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 323 324 Tokens = annotate("class Foo {\n" 325 " void operator<() {}\n" 326 " Foo &f;\n" 327 "};"); 328 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 329 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 330 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 331 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 332 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 333 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 334 335 Tokens = annotate("if (new && num) {\n" 336 " new = 1;\n" 337 "}\n" 338 "if (!delete && num) {\n" 339 " delete = 1;\n" 340 "}"); 341 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 342 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 343 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 344 345 Tokens = annotate("#define FOO \\\n" 346 " void foo() { f(a * b); }"); 347 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 348 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 349 350 Tokens = annotate("for (int i; Foo *&foo : foos)"); 351 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 352 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 353 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 354 EXPECT_TOKEN(Tokens[9], tok::colon, TT_RangeBasedForLoopColon); 355 356 Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };"); 357 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 358 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 359 360 Tokens = annotate("namespace {\n" 361 "#define FOO(x) void foo(a##x *b);\n" 362 "}"); 363 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 364 EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference); 365 366 Tokens = annotate("Thingy kConfig = {\n" 367 " 1,\n" 368 " (uint16_t)(kScale * height_pixels),\n" 369 "};"); 370 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 371 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_CastRParen); 372 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 373 } 374 375 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 376 auto Tokens = annotate("x - 0"); 377 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 378 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 379 Tokens = annotate("0 + 0"); 380 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 381 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 382 Tokens = annotate("x + +0"); 383 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 384 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 385 Tokens = annotate("x ? -0 : +0"); 386 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 387 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 388 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 389 Tokens = annotate("(-0)"); 390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 391 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 392 Tokens = annotate("0, -0"); 393 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 394 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 395 Tokens = annotate("for (; -1;) {\n}"); 396 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 397 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 398 Tokens = annotate("x = -1;"); 399 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 400 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 401 Tokens = annotate("x[-1]"); 402 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 403 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 404 Tokens = annotate("x = {-1};"); 405 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 406 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 407 Tokens = annotate("case -x:"); 408 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 409 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 410 Tokens = annotate("co_await -x;"); 411 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 412 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 413 Tokens = annotate("co_return -x;"); 414 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 415 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 416 Tokens = annotate("co_yield -x;"); 417 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 418 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 419 Tokens = annotate("delete -x;"); 420 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 421 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 422 Tokens = annotate("return -x;"); 423 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 424 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 425 Tokens = annotate("throw -x;"); 426 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 427 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 428 Tokens = annotate("sizeof -x"); 429 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 430 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 431 Tokens = annotate("co_await +x;"); 432 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 433 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 434 Tokens = annotate("co_return +x;"); 435 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 436 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 437 Tokens = annotate("co_yield +x;"); 438 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 439 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 440 Tokens = annotate("delete +x;"); 441 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 442 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 443 Tokens = annotate("return +x;"); 444 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 445 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 446 Tokens = annotate("throw +x;"); 447 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 448 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 449 Tokens = annotate("sizeof +x"); 450 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 451 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 452 Tokens = annotate("(int)-x"); 453 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 454 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 455 Tokens = annotate("(-x)"); 456 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 457 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 458 Tokens = annotate("!+x"); 459 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 460 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 461 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 462 } 463 464 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 465 auto Tokens = annotate("class C {};"); 466 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 467 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 468 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 469 470 Tokens = annotate("const class C {} c;"); 471 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 472 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 473 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 474 475 Tokens = annotate("const class {} c;"); 476 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 477 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 478 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 479 480 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 481 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 482 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 483 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 484 } 485 486 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 487 auto Tokens = annotate("struct S {};"); 488 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 489 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 490 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 491 492 Tokens = annotate("struct macro(a) S {};"); 493 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 494 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 495 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 496 497 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 498 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 499 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 500 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 501 502 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 503 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 504 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 505 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 506 507 Tokens = annotate("struct macro(a) S {\n" 508 " void f(T &t);\n" 509 "};"); 510 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 511 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 512 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 513 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 514 515 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 516 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 517 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 518 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 519 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 520 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 521 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 522 523 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 524 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 525 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 526 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 527 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 528 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 529 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 530 531 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 532 " void f(T const (&a)[n]);\n" 533 "};"); 534 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 535 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 536 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 537 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 538 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 539 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 540 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 541 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 542 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 543 544 Tokens = annotate("template <typename T, enum E e> struct S {};"); 545 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 546 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 547 548 auto Style = getLLVMStyle(); 549 Style.AttributeMacros.push_back("EXPORT"); 550 Tokens = annotate("struct EXPORT StructName {};", Style); 551 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 552 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 553 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 554 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 555 } 556 557 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 558 auto Tokens = annotate("union U {};"); 559 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 560 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 561 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 562 563 Tokens = annotate("union U { void f() { return; } };"); 564 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 565 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 566 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 567 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 568 } 569 570 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 571 auto Tokens = annotate("enum E {};"); 572 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 573 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 574 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 575 } 576 577 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 578 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 579 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 580 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 581 582 Tokens = annotate("template <typename T> void F(T) && = delete;"); 583 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 584 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 585 } 586 587 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 588 auto Tokens = 589 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 590 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 591 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 592 } 593 594 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 595 auto Tokens = 596 annotate("template <typename T> " 597 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 598 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 599 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 600 } 601 602 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 603 auto Tokens = 604 annotate("#define FOO(typeName) \\\n" 605 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 606 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 607 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 608 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 609 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 610 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 611 } 612 613 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 614 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 615 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 616 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 617 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 618 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 619 } 620 621 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 622 // IsExpression = false 623 auto Tokens = annotate("foo<true ? 1 : 2>();"); 624 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 625 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 626 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 627 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 628 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 629 630 // IsExpression = true 631 632 Tokens = annotate("return foo<true ? 1 : 2>();"); 633 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 634 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 635 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 636 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 637 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 638 639 Tokens = annotate("return foo<true ? 1 : 2>{};"); 640 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 641 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 642 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 643 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 644 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 645 } 646 647 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 648 auto Tokens = annotate("return a < b && c > d;"); 649 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 650 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 651 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 652 653 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 654 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 655 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 656 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 657 658 Tokens = annotate("return A < B ? true : A > B;"); 659 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 660 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 661 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 662 663 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 664 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 665 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 666 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 667 668 Tokens = annotate("return checklower ? a < b : a > b;"); 669 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 670 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 671 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 672 673 Tokens = annotate("return A < B ^ A > B;"); 674 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 675 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 676 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 677 678 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 679 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 680 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 681 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 682 } 683 684 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 685 auto Tokens = annotate("template <template <typename...> typename X,\n" 686 " template <typename...> class Y,\n" 687 " typename... T>\n" 688 "class A {};"); 689 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 690 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 691 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 692 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 693 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 694 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 695 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 696 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 697 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 698 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 699 } 700 701 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 702 FormatStyle Style = getLLVMStyle(); 703 Style.WhitespaceSensitiveMacros.push_back("FOO"); 704 705 auto Tokens = annotate("FOO(1+2 )", Style); 706 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 707 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 708 709 Tokens = annotate("FOO(a:b:c)", Style); 710 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 711 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 712 } 713 714 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 715 auto Tokens = annotate("delete (void *)p;"); 716 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 717 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 718 719 Tokens = annotate("delete[] (void *)p;"); 720 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 721 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 722 723 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 724 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 725 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 726 727 Tokens = annotate("delete[/*comment*/] (void *)p;"); 728 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 729 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 730 731 Tokens = annotate("delete/*comment*/[] (void *)p;"); 732 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 733 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 734 } 735 736 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 737 auto Tokens = annotate("(void)p;"); 738 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 739 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 740 741 Tokens = annotate("(uint32_t)&&label;"); 742 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 743 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 744 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 745 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 746 747 Tokens = annotate("auto x = (Foo)p;"); 748 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 749 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 750 751 Tokens = annotate("(std::vector<int>)p;"); 752 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 753 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 754 755 Tokens = annotate("return (Foo)p;"); 756 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 757 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 758 759 Tokens = annotate("throw (Foo)p;"); 760 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 761 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 762 763 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 764 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 765 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 766 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 767 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 768 769 Tokens = annotate("#define foo(i) ((i) - bar)"); 770 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 771 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 772 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 773 774 Tokens = annotate("return (Foo) & 10;"); 775 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 776 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 777 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 778 779 Tokens = annotate("return (struct foo){};"); 780 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 781 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 782 783 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 784 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 785 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 786 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 787 788 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 789 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 790 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 791 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 792 793 Tokens = annotate("func((void (*)())&a);"); 794 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 795 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 796 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 797 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 798 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 799 800 Tokens = annotate("int result = ((int)a) - b;"); 801 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 802 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 803 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 804 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 805 806 Tokens = annotate("return (double)(foo(30)) - 15;"); 807 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 808 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 809 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 810 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 811 812 Tokens = annotate("return (::Type)(1 + 2);"); 813 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 814 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 815 816 Tokens = annotate("return (Namespace::Class)(1 + 2);"); 817 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 818 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 819 820 Tokens = annotate("return (Foo (*)(void *, Bar, ...))&foo;"); 821 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 822 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionTypeLParen); 823 EXPECT_TOKEN(Tokens[14], tok::r_paren, TT_CastRParen); 824 EXPECT_TOKEN(Tokens[15], tok::amp, TT_UnaryOperator); 825 826 auto Style = getLLVMStyle(); 827 Style.TypeNames.push_back("Foo"); 828 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 829 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 830 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 831 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 832 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 833 } 834 835 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 836 auto Tokens = annotate("void f() throw(int);"); 837 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 838 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 839 } 840 841 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 842 auto Tokens = annotate("void f() &;"); 843 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 844 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 845 846 Tokens = annotate("void operator=(T) &&;"); 847 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 848 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 849 850 Tokens = annotate("template <typename T> void f() &;"); 851 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 852 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 853 854 Tokens = annotate("template <typename T> void operator=(T) &;"); 855 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 856 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 857 } 858 859 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 860 auto Tokens = annotate("x.operator+()"); 861 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 862 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 863 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 864 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 865 Tokens = annotate("x.operator=()"); 866 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 867 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 868 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 869 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 870 Tokens = annotate("x.operator+=()"); 871 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 872 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 873 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 874 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 875 Tokens = annotate("x.operator,()"); 876 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 877 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 878 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 879 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 880 Tokens = annotate("x.operator()()"); 881 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 882 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 883 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 884 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 885 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 886 Tokens = annotate("x.operator[]()"); 887 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 888 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 889 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 890 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 891 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 892 Tokens = annotate("x.operator\"\"_a()"); 893 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 894 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 895 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 896 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 897 Tokens = annotate("x.operator\"\" _a()"); 898 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 899 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 900 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 901 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 902 Tokens = annotate("x.operator\"\"if()"); 903 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 904 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 905 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 906 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 907 Tokens = annotate("x.operator\"\"s()"); 908 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 909 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 910 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 911 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 912 Tokens = annotate("x.operator\"\" s()"); 913 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 914 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 915 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 916 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 917 918 Tokens = annotate("int operator+(int);"); 919 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 920 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 921 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 922 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 923 Tokens = annotate("auto operator=(T&) {}"); 924 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 925 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 926 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 927 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 928 Tokens = annotate("auto operator()() {}"); 929 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 930 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 931 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 932 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 933 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 934 935 Tokens = annotate("class Foo {\n" 936 " int operator+(a* b);\n" 937 "}"); 938 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 939 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 940 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 941 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 942 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 943 944 Tokens = annotate("class Foo {\n" 945 " int c = operator+(a * b);\n" 946 "}"); 947 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 948 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 949 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 950 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 951 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 952 953 Tokens = annotate("void foo() {\n" 954 " operator+(a * b);\n" 955 "}"); 956 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 957 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 958 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 959 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 960 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 961 962 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 963 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 964 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 965 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 966 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 967 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 968 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 969 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 970 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 971 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 972 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 973 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 974 975 Tokens = annotate("class Foo {\n" 976 " void foo() {\n" 977 " operator+(a * b);\n" 978 " }\n" 979 "}"); 980 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 981 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 982 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 983 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 984 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 985 986 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 987 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 988 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 989 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 990 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 991 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 992 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 993 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 994 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 995 996 Tokens = annotate("decltype(auto) operator()(T &x);"); 997 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 998 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 999 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 1000 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 1001 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 1002 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 1003 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 1004 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 1005 1006 Tokens = annotate("friend ostream& ::operator<<(ostream& lhs, foo& rhs);"); 1007 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1008 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 1009 EXPECT_TOKEN(Tokens[5], tok::lessless, TT_OverloadedOperator); 1010 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 1011 EXPECT_TOKEN(Tokens[8], tok::amp, TT_PointerOrReference); 1012 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 1013 } 1014 1015 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 1016 struct { 1017 const char *Text; 1018 tok::TokenKind Kind; 1019 } Operators[] = {{"+", tok::plus}, 1020 {"-", tok::minus}, 1021 // FIXME: 1022 // {"*", tok::star}, 1023 {"/", tok::slash}, 1024 {"%", tok::percent}, 1025 {"^", tok::caret}, 1026 // FIXME: 1027 // {"&", tok::amp}, 1028 {"|", tok::pipe}, 1029 {"~", tok::tilde}, 1030 {"!", tok::exclaim}, 1031 {"=", tok::equal}, 1032 // FIXME: 1033 // {"<", tok::less}, 1034 {">", tok::greater}, 1035 {"+=", tok::plusequal}, 1036 {"-=", tok::minusequal}, 1037 {"*=", tok::starequal}, 1038 {"/=", tok::slashequal}, 1039 {"%=", tok::percentequal}, 1040 {"^=", tok::caretequal}, 1041 {"&=", tok::ampequal}, 1042 {"|=", tok::pipeequal}, 1043 {"<<", tok::lessless}, 1044 {">>", tok::greatergreater}, 1045 {">>=", tok::greatergreaterequal}, 1046 {"<<=", tok::lesslessequal}, 1047 {"==", tok::equalequal}, 1048 {"!=", tok::exclaimequal}, 1049 {"<=", tok::lessequal}, 1050 {">=", tok::greaterequal}, 1051 {"<=>", tok::spaceship}, 1052 {"&&", tok::ampamp}, 1053 {"||", tok::pipepipe}, 1054 {"++", tok::plusplus}, 1055 {"--", tok::minusminus}, 1056 {",", tok::comma}, 1057 {"->*", tok::arrowstar}, 1058 {"->", tok::arrow}}; 1059 1060 for (const auto &Operator : Operators) { 1061 std::string Input("C<&operator"); 1062 Input += Operator.Text; 1063 Input += " > a;"; 1064 auto Tokens = annotate(std::string(Input)); 1065 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1066 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1067 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1068 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1069 } 1070 1071 auto Tokens = annotate("C<&operator< <X>> lt;"); 1072 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1073 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1074 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1075 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1076 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1077 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1078 } 1079 1080 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1081 auto Tokens = annotate("template <typename T>\n" 1082 "concept C = (Foo && Bar) && (Bar && Baz);"); 1083 1084 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1085 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1086 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1087 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1088 1089 Tokens = annotate("template <typename T>\n" 1090 "concept C = Foo && !Bar;"); 1091 1092 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1093 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1094 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1095 1096 Tokens = annotate("template <typename T>\n" 1097 "concept C = requires(T t) {\n" 1098 " { t.foo() };\n" 1099 "} && Bar<T> && Baz<T>;"); 1100 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1101 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1102 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1103 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1104 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1105 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1106 1107 Tokens = annotate("template<typename T>\n" 1108 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1109 "struct Foo;"); 1110 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1111 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1112 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1113 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1114 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1115 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1116 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1117 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1118 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1119 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1120 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1121 1122 Tokens = 1123 annotate("template<typename T>\n" 1124 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1125 "struct Foo;"); 1126 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1127 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1128 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1129 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1130 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1131 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1132 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1133 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1134 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1135 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1136 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1137 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1138 1139 Tokens = annotate("template <typename T>\n" 1140 "void foo(T) noexcept requires Bar<T>;"); 1141 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1142 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1143 1144 Tokens = annotate("template <typename T>\n" 1145 "requires Bar<T> || Baz<T>\n" 1146 "auto foo(T) -> int;"); 1147 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1148 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1149 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1150 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1151 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1152 1153 Tokens = annotate("template <typename T>\n" 1154 "requires Bar<T>\n" 1155 "bool foo(T) { return false; }"); 1156 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1157 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1158 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1159 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1160 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1161 1162 Tokens = annotate("template <typename T>\n" 1163 "requires Bar<T>\n" 1164 "decltype(auto) foo(T) { return false; }"); 1165 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1166 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1167 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1168 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1169 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1170 1171 Tokens = annotate("template <typename T>\n" 1172 "struct S {\n" 1173 " void foo() const requires Bar<T>;\n" 1174 " void bar() const & requires Baz<T>;\n" 1175 " void bar() && requires Baz2<T>;\n" 1176 " void baz() const & noexcept requires Baz<T>;\n" 1177 " void baz() && noexcept requires Baz2<T>;\n" 1178 "};\n" 1179 "\n" 1180 "void S::bar() const & requires Baz<T> { }"); 1181 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1182 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1183 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1184 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1185 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1186 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1187 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1188 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1189 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1190 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1191 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1192 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1193 1194 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1195 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1196 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1197 1198 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1199 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1200 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1201 1202 Tokens = 1203 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1204 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1205 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1206 1207 Tokens = annotate("void Class::member() && requires(typename " 1208 "Namespace::Outer<T>::Inner::Constant) {}"); 1209 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1210 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1211 1212 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1213 " template<class T>\n" 1214 " requires requires { number_zero_v<T>; }\n" 1215 " [[nodiscard]] constexpr operator T() const { " 1216 "return number_zero_v<T>; }\n" 1217 "};"); 1218 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1219 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1220 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1221 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1222 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1223 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1224 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1225 1226 Tokens = 1227 annotate("template <class A, class B> concept C =" 1228 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1229 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1230 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1231 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1232 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1233 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1234 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1235 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1236 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1237 1238 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1239 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1240 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1241 1242 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1243 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1244 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1245 1246 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1247 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1248 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1249 1250 Tokens = 1251 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1252 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1253 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1254 1255 Tokens = 1256 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1257 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1258 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1259 1260 Tokens = 1261 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1262 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1263 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1264 1265 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1266 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1267 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1268 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1269 1270 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1271 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1272 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1273 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1274 1275 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1276 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1277 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1278 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1279 1280 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1281 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1282 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1283 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1284 1285 Tokens = annotate("void f() & requires(true) {}"); 1286 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1287 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1288 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1289 1290 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1291 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1292 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1293 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1294 1295 Tokens = annotate("template <typename T>\n" 1296 "concept C = (!Foo<T>) && Bar;"); 1297 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1298 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1299 1300 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1301 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1302 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1303 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1304 1305 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1306 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1307 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1308 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1309 1310 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1311 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1312 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1313 1314 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1315 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1316 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1317 1318 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1319 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1320 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1321 1322 // Second function definition is required due to lookahead 1323 Tokens = annotate("void f() &\n" 1324 " requires(n == 1)\n" 1325 "{}\n" 1326 "void g();"); 1327 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1328 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1329 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1330 } 1331 1332 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1333 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1334 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1335 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1336 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1337 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1338 1339 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1340 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1341 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1342 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1343 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1344 1345 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1346 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1347 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1348 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1349 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1350 1351 Tokens = annotate("foo(requires(const T t) {});"); 1352 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1353 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1354 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1355 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1356 1357 Tokens = annotate("foo(requires(const int t) {});"); 1358 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1359 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1360 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1361 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1362 1363 Tokens = annotate("foo(requires(const T t) {});"); 1364 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1365 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1366 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1367 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1368 1369 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1370 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1371 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1372 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1373 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1374 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1375 1376 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1377 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1378 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1379 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1380 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1381 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1382 1383 Tokens = annotate("foo(requires(T& t) {});"); 1384 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1385 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1386 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1387 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1388 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1389 1390 Tokens = annotate("foo(requires(T&& t) {});"); 1391 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1392 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1393 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1394 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1395 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1396 1397 Tokens = annotate("bool foo = requires(T& t) {};"); 1398 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1399 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1400 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1401 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1402 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1403 1404 Tokens = annotate("bool foo = requires(T&& t) {};"); 1405 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1406 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1407 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1408 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1409 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1410 1411 Tokens = 1412 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1413 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1414 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1415 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1416 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1417 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1418 1419 Tokens = annotate("template <typename T>\n" 1420 "concept C = requires(T T) {\n" 1421 " requires Bar<T> && Foo<T>;\n" 1422 "};"); 1423 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1424 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1425 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1426 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1427 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1428 TT_RequiresClauseInARequiresExpression); 1429 1430 Tokens = annotate("template <typename T>\n" 1431 "concept C = requires(T T) {\n" 1432 " { t.func() } -> std::same_as<int>;" 1433 " requires Bar<T> && Foo<T>;\n" 1434 "};"); 1435 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1436 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1437 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1438 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1439 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1440 TT_RequiresClauseInARequiresExpression); 1441 1442 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1443 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1444 "requires true; };"); 1445 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1446 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1447 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1448 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1449 1450 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1451 " { c.foo(); }\n" 1452 "};"); 1453 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1454 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1455 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1456 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1457 } 1458 1459 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1460 // Everything after #pragma region should be ImplicitStringLiteral 1461 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1462 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1463 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1464 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1465 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1466 1467 // Make sure it's annotated correctly inside a function as well 1468 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1469 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1470 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1471 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1472 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1473 } 1474 1475 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1476 const char *BaseCode = nullptr; 1477 const char *ConstrainedCode = nullptr; 1478 auto BaseTokenCount = 0u; 1479 auto RequiresTokenCount = 0u; 1480 auto PrefixTokenCount = 0u; 1481 1482 auto TestRequires = [&](int Line) { 1483 const auto BaseTokens = annotate(BaseCode); 1484 const auto ConstrainedTokens = annotate(ConstrainedCode); 1485 1486 #define LINE " (Line " << Line << ')' 1487 1488 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1489 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1490 << LINE; 1491 1492 for (auto I = 0u; I < BaseTokenCount; ++I) { 1493 EXPECT_EQ( 1494 *BaseTokens[I], 1495 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1496 << I << LINE; 1497 } 1498 1499 #undef LINE 1500 }; 1501 1502 BaseCode = "template<typename T>\n" 1503 "T Pi = 3.14;"; 1504 ConstrainedCode = "template<typename T>\n" 1505 " requires Foo<T>\n" 1506 "T Pi = 3.14;"; 1507 BaseTokenCount = 11; 1508 RequiresTokenCount = 5; 1509 PrefixTokenCount = 5; 1510 TestRequires(__LINE__); 1511 1512 BaseCode = "template<typename T>\n" 1513 "struct Bar;"; 1514 ConstrainedCode = "template<typename T>\n" 1515 " requires Foo<T>\n" 1516 "struct Bar;"; 1517 BaseTokenCount = 9; 1518 TestRequires(__LINE__); 1519 1520 BaseCode = "template<typename T>\n" 1521 "struct Bar {\n" 1522 " T foo();\n" 1523 " T bar();\n" 1524 "};"; 1525 ConstrainedCode = "template<typename T>\n" 1526 " requires Foo<T>\n" 1527 "struct Bar {\n" 1528 " T foo();\n" 1529 " T bar();\n" 1530 "};"; 1531 BaseTokenCount = 21; 1532 TestRequires(__LINE__); 1533 1534 BaseCode = "template<typename T>\n" 1535 "Bar(T) -> Bar<T>;"; 1536 ConstrainedCode = "template<typename T>\n" 1537 " requires Foo<T>\n" 1538 "Bar(T) -> Bar<T>;"; 1539 BaseTokenCount = 16; 1540 TestRequires(__LINE__); 1541 1542 BaseCode = "template<typename T>\n" 1543 "T foo();"; 1544 ConstrainedCode = "template<typename T>\n" 1545 " requires Foo<T>\n" 1546 "T foo();"; 1547 BaseTokenCount = 11; 1548 TestRequires(__LINE__); 1549 1550 BaseCode = "template<typename T>\n" 1551 "T foo() {\n" 1552 " auto bar = baz();\n" 1553 " return bar + T{};\n" 1554 "}"; 1555 ConstrainedCode = "template<typename T>\n" 1556 " requires Foo<T>\n" 1557 "T foo() {\n" 1558 " auto bar = baz();\n" 1559 " return bar + T{};\n" 1560 "}"; 1561 BaseTokenCount = 26; 1562 TestRequires(__LINE__); 1563 1564 BaseCode = "template<typename T>\n" 1565 "T foo();"; 1566 ConstrainedCode = "template<typename T>\n" 1567 "T foo() requires Foo<T>;"; 1568 BaseTokenCount = 11; 1569 PrefixTokenCount = 9; 1570 TestRequires(__LINE__); 1571 1572 BaseCode = "template<typename T>\n" 1573 "T foo() {\n" 1574 " auto bar = baz();\n" 1575 " return bar + T{};\n" 1576 "}"; 1577 ConstrainedCode = "template<typename T>\n" 1578 "T foo() requires Foo<T> {\n" 1579 " auto bar = baz();\n" 1580 " return bar + T{};\n" 1581 "}"; 1582 BaseTokenCount = 26; 1583 TestRequires(__LINE__); 1584 1585 BaseCode = "template<typename T>\n" 1586 "T foo();"; 1587 ConstrainedCode = "template<typename T>\n" 1588 " requires(Foo<T>)\n" 1589 "T foo();"; 1590 BaseTokenCount = 11; 1591 RequiresTokenCount = 7; 1592 PrefixTokenCount = 5; 1593 TestRequires(__LINE__); 1594 1595 BaseCode = "template<typename T>\n" 1596 "Bar(T) -> Bar<typename T::I>;"; 1597 ConstrainedCode = "template<typename T>\n" 1598 " requires requires(T &&t) {\n" 1599 " typename T::I;\n" 1600 " }\n" 1601 "Bar(T) -> Bar<typename T::I>;"; 1602 BaseTokenCount = 19; 1603 RequiresTokenCount = 14; 1604 PrefixTokenCount = 5; 1605 TestRequires(__LINE__); 1606 1607 BaseCode = "struct [[nodiscard]] zero_t {\n" 1608 " template<class T>\n" 1609 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1610 "};"; 1611 ConstrainedCode = 1612 "struct [[nodiscard]] zero_t {\n" 1613 " template<class T>\n" 1614 " requires requires { v<T>; }\n" 1615 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1616 "};"; 1617 BaseTokenCount = 35; 1618 RequiresTokenCount = 9; 1619 PrefixTokenCount = 13; 1620 TestRequires(__LINE__); 1621 1622 BaseCode = "constexpr Foo(Foo const &other)\n" 1623 " : value{other.value} {\n" 1624 " do_magic();\n" 1625 " do_more_magic();\n" 1626 "}"; 1627 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1628 " requires std::is_copy_constructible<T>\n" 1629 " : value{other.value} {\n" 1630 " do_magic();\n" 1631 " do_more_magic();\n" 1632 "}"; 1633 BaseTokenCount = 26; 1634 RequiresTokenCount = 7; 1635 PrefixTokenCount = 8; 1636 TestRequires(__LINE__); 1637 1638 BaseCode = "constexpr Foo(Foo const &other)\n" 1639 " : value{other.value} {\n" 1640 " do_magic();\n" 1641 " do_more_magic();\n" 1642 "}"; 1643 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1644 " requires (std::is_copy_constructible<T>)\n" 1645 " : value{other.value} {\n" 1646 " do_magic();\n" 1647 " do_more_magic();\n" 1648 "}"; 1649 RequiresTokenCount = 9; 1650 TestRequires(__LINE__); 1651 1652 BaseCode = "template<typename T>\n" 1653 "ANNOTATE(\"S\"\n" 1654 " \"S\")\n" 1655 "void foo();"; 1656 ConstrainedCode = "template<typename T>\n" 1657 " requires(true)\n" 1658 "ANNOTATE(\"S\"\n" 1659 " \"S\")\n" 1660 "void foo();"; 1661 BaseTokenCount = 16; 1662 RequiresTokenCount = 4; 1663 PrefixTokenCount = 5; 1664 TestRequires(__LINE__); 1665 } 1666 1667 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1668 auto Tokens = annotate("__asm{\n" 1669 "\"a\":\n" 1670 ": x\n" 1671 ":};"); 1672 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1673 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1674 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1675 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1676 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1677 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1678 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1679 1680 Tokens = annotate("__asm(\n" 1681 "\"a\":\n" 1682 ": x\n" 1683 ":);"); 1684 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1685 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1686 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1687 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1688 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1689 1690 Tokens = annotate("asm volatile (\n" 1691 "\"a_label:\"\n" 1692 ":\n" 1693 ": x\n" 1694 ":);"); 1695 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1696 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1697 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1698 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1699 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1700 1701 Tokens = annotate("__asm__(\n" 1702 "\"a_label:\"\n" 1703 ": x\n" 1704 ":\n" 1705 ": y);"); 1706 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1707 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1708 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1709 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1710 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1711 1712 Tokens = annotate("__asm volatile (\n" 1713 "\"a_label:\"\n" 1714 "\"a b c(%%x)\"\n" 1715 ":\n" 1716 ": x\n" 1717 ":);"); 1718 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1719 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1720 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1721 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1722 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1723 1724 Tokens = annotate("asm(\n" 1725 "\"insn\"\n" 1726 ": \"=r\" (var1), \"=&r\" (value)\n" 1727 ":\n" 1728 ": \"memory\");"); 1729 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1730 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1731 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1732 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1733 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1734 1735 Tokens = annotate("__asm__ volatile (\n" 1736 "\"ldr r1, [r0, %%[sym]]\"\n" 1737 ":\n" 1738 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1739 ");"); 1740 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1741 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1742 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1743 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1744 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1745 } 1746 1747 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1748 auto Tokens = annotate("int (^)() = ^ ()\n" 1749 " external_source_symbol() { //\n" 1750 " return 1;\n" 1751 "};"); 1752 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1753 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1754 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1755 1756 Tokens = annotate("int *p = ^int*(){ //\n" 1757 " return nullptr;\n" 1758 "}();"); 1759 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1760 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1761 1762 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1763 " return a;\n" 1764 "};"); 1765 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1766 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1767 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1768 } 1769 1770 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1771 auto Tokens = annotate("void f() {\n" 1772 " //\n" 1773 " BOOL a = [b.c n] > 1;\n" 1774 "}"); 1775 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1776 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1777 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1778 } 1779 1780 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1781 auto Tokens = annotate("[]() constexpr {}"); 1782 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1783 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1784 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1785 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1786 1787 Tokens = annotate("[]() consteval {}"); 1788 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1789 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1790 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1791 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1792 1793 Tokens = annotate("[]() mutable {}"); 1794 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1795 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1796 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1797 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1798 1799 Tokens = annotate("[]() static {}"); 1800 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1801 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1802 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1803 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1804 1805 Tokens = annotate("[]() -> auto {}"); 1806 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1807 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1808 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1809 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1810 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1811 1812 Tokens = annotate("[]() -> auto & {}"); 1813 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1814 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1815 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1816 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1817 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1818 1819 Tokens = annotate("[]() -> auto * {}"); 1820 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1821 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1822 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1823 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1824 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1825 1826 Tokens = annotate("[] {}"); 1827 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1828 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1829 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1830 1831 Tokens = annotate("[] noexcept {}"); 1832 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1833 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1834 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1835 1836 Tokens = annotate("[] -> auto {}"); 1837 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1838 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1839 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1840 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1841 1842 Tokens = annotate("[] -> struct S { return {}; }"); 1843 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1844 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1845 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1846 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1847 1848 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1849 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1850 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1851 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1852 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1853 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1854 1855 Tokens = annotate("[] <typename T> () {}"); 1856 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1857 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1858 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1859 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1860 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1861 1862 Tokens = annotate("[] <typename T> {}"); 1863 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1864 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1865 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1866 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1867 1868 Tokens = annotate("[] <typename... T> () {}"); 1869 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1870 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1871 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1872 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1873 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1874 1875 Tokens = annotate("[] <typename... T> {}"); 1876 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1877 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1878 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1879 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1880 1881 Tokens = annotate("[] <int... T> () {}"); 1882 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1883 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1884 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1885 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1886 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1887 1888 Tokens = annotate("[] <int... T> {}"); 1889 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1890 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1891 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1892 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1893 1894 Tokens = annotate("[] <Foo... T> () {}"); 1895 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1896 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1897 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1898 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1899 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1900 1901 Tokens = annotate("[] <Foo... T> {}"); 1902 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1903 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1904 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1905 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1906 1907 // Lambdas with a requires-clause 1908 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1909 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1910 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1911 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1912 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1913 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1914 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1915 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1916 1917 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1918 ASSERT_EQ(Tokens.size(), 19u) << 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::l_paren, TT_LambdaDefinitionLParen); 1922 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1923 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1924 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1925 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1926 1927 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1928 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1929 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1930 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1931 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1932 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1933 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1934 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1935 1936 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1937 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1938 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1939 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1940 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1941 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1942 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1943 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1944 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1945 1946 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1947 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1948 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1949 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1950 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1951 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1952 // FIXME: 1953 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1954 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1955 1956 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1957 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1958 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1959 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1960 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1961 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1962 // FIXME: 1963 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1964 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1965 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1966 1967 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1968 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1969 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1970 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1971 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1972 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1973 // FIXME: 1974 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1975 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1976 1977 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1978 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1979 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1980 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1981 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1982 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1983 // FIXME: 1984 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1985 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1986 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1987 1988 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1989 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1990 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1991 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1992 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1993 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1994 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1995 1996 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1997 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1998 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1999 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2000 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2001 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2002 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2003 2004 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 2005 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2006 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2007 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2008 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2009 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2010 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 2011 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 2012 2013 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 2014 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 2015 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2016 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2017 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2018 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2019 // FIXME: 2020 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 2021 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 2022 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 2023 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 2024 2025 Tokens = annotate("[] <typename T = int> (T t) {}"); 2026 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2027 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2028 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2029 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2030 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2031 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2032 2033 Tokens = annotate("[] <int I = 0> (T t) {}"); 2034 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2035 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2036 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2037 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2038 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2039 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2040 2041 Tokens = annotate("[] <bool b = false> (T t) {}"); 2042 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2043 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2044 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2045 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2046 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2047 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2048 2049 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 2050 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2051 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2052 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2053 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 2054 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 2055 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 2056 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 2057 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 2058 2059 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2060 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2061 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2062 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2063 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2064 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2065 // FIXME: 2066 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2067 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2068 } 2069 2070 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2071 auto Tokens = annotate("template <typename T>\n" 2072 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2073 "string OldFunction(const string ¶meter) {}"); 2074 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2075 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2076 2077 Tokens = annotate("template <typename T>\n" 2078 "A(T) noexcept;"); 2079 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2080 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2081 2082 Tokens = annotate("FOO(bar)();"); 2083 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2084 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2085 } 2086 2087 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2088 auto Tokens = annotate("void f [[noreturn]] ();"); 2089 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2090 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2091 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2092 2093 Tokens = annotate("void f [[noreturn]] () {}"); 2094 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2095 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2096 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2097 2098 Tokens = annotate("#define FOO Foo::\n" 2099 "FOO Foo();"); 2100 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2101 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2102 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2103 2104 Tokens = annotate("struct Foo {\n" 2105 " Bar (*func)();\n" 2106 "};"); 2107 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2108 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2109 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2110 2111 Tokens = annotate("void instanceof();"); 2112 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2113 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2114 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2115 2116 Tokens = annotate("int iso_time(time_t);"); 2117 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2118 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2119 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2120 2121 auto Style = getLLVMStyle(); 2122 Style.TypeNames.push_back("MyType"); 2123 Tokens = annotate("int iso_time(MyType);", Style); 2124 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2125 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2126 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2127 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2128 } 2129 2130 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2131 auto Tokens = annotate("class Foo { public: Foo(); };"); 2132 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2133 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2134 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2135 2136 Tokens = annotate("class Foo { public: ~Foo(); };"); 2137 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2138 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2139 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2140 2141 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2142 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2143 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2144 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2145 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2146 2147 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2148 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2149 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2150 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2151 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2152 2153 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2154 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2155 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2156 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2157 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2158 2159 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2160 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2161 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2162 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2163 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2164 2165 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2166 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2167 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2168 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2169 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2170 2171 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2172 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2173 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2174 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2175 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2176 2177 Tokens = annotate("Foo::Foo() {}"); 2178 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2179 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2180 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2181 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2182 2183 Tokens = annotate("Foo::~Foo() {}"); 2184 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2185 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2186 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2187 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2188 2189 Tokens = annotate("struct Test {\n" 2190 " Test()\n" 2191 " : l([] {\n" 2192 " Short::foo();\n" 2193 " }) {}\n" 2194 "};"); 2195 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2196 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2197 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2198 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2199 } 2200 2201 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2202 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2203 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2204 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2205 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2206 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2207 } 2208 2209 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2210 auto Tokens = annotate("auto f() -> int;"); 2211 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2212 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2213 2214 Tokens = annotate("auto operator->() -> int;"); 2215 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2216 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2217 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2218 2219 Tokens = annotate("auto operator++(int) -> int;"); 2220 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2221 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2222 2223 Tokens = annotate("auto operator=() -> int;"); 2224 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2225 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2226 2227 Tokens = annotate("auto operator=(int) -> int;"); 2228 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2229 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2230 2231 Tokens = annotate("auto foo() -> auto { return Val; }"); 2232 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2233 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2234 2235 Tokens = annotate("struct S { auto bar() const -> int; };"); 2236 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2237 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2238 2239 // Not trailing return arrows 2240 Tokens = annotate("auto a = b->c;"); 2241 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2242 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2243 2244 Tokens = annotate("auto a = (b)->c;"); 2245 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2246 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2247 2248 Tokens = annotate("auto a = b()->c;"); 2249 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2250 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2251 2252 Tokens = annotate("auto a = b->c();"); 2253 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2254 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2255 2256 Tokens = annotate("decltype(auto) a = b()->c;"); 2257 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2258 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2259 2260 Tokens = annotate("void f() { auto a = b->c(); }"); 2261 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2262 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2263 2264 Tokens = annotate("void f() { auto a = b()->c; }"); 2265 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2266 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2267 2268 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2269 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2270 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2271 2272 Tokens = annotate("void f() FOO(foo->bar);"); 2273 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2274 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2275 2276 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2277 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2278 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2279 2280 auto Style = getLLVMStyle(); 2281 Style.StatementAttributeLikeMacros.push_back("emit"); 2282 Tokens = annotate("emit foo()->bar;", Style); 2283 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2284 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2285 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2286 2287 // Mixed 2288 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2289 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2290 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2291 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2292 } 2293 2294 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2295 auto Tokens = annotate("#define Foo(Bar) \\\n" 2296 " { \\\n" 2297 " #Bar \\\n" 2298 " }"); 2299 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2300 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2301 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2302 2303 Tokens = annotate("#define Foo(Bar) \\\n" 2304 " { #Bar }"); 2305 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2306 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2307 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2308 2309 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2310 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2311 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2312 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2313 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2314 } 2315 2316 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2317 // '__attribute__' has special handling. 2318 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2319 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2320 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2321 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2322 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2323 2324 // Generic macro has no special handling in this location. 2325 Tokens = annotate("A(X) void Foo(void);"); 2326 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2327 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2328 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2329 2330 // Add a custom AttributeMacro. Test that it has the same behavior. 2331 FormatStyle Style = getLLVMStyle(); 2332 Style.AttributeMacros.push_back("A"); 2333 2334 // An "AttributeMacro" gets annotated like '__attribute__'. 2335 Tokens = annotate("A(X) void Foo(void);", Style); 2336 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2337 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2338 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2339 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2340 } 2341 2342 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2343 // '__attribute__' has special handling. 2344 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2345 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2346 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2347 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2348 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2349 2350 // Generic macro has no special handling in this location. 2351 Tokens = annotate("A(X) @interface Foo"); 2352 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2353 // Note: Don't check token-type as a random token in this position is hard to 2354 // reason about. 2355 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2356 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2357 2358 // Add a custom AttributeMacro. Test that it has the same behavior. 2359 FormatStyle Style = getLLVMStyle(); 2360 Style.AttributeMacros.push_back("A"); 2361 2362 // An "AttributeMacro" gets annotated like '__attribute__'. 2363 Tokens = annotate("A(X) @interface Foo", Style); 2364 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2365 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2366 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2367 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2368 } 2369 2370 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2371 // '__attribute__' has special handling. 2372 auto Tokens = annotate("- (id)init __attribute__((X));"); 2373 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2374 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2375 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2376 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2377 2378 // Generic macro has no special handling in this location. 2379 Tokens = annotate("- (id)init A(X);"); 2380 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2381 // Note: Don't check token-type as a random token in this position is hard to 2382 // reason about. 2383 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2384 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2385 2386 // Add a custom AttributeMacro. Test that it has the same behavior. 2387 FormatStyle Style = getLLVMStyle(); 2388 Style.AttributeMacros.push_back("A"); 2389 2390 // An "AttributeMacro" gets annotated like '__attribute__'. 2391 Tokens = annotate("- (id)init A(X);", Style); 2392 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2393 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2394 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2395 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2396 } 2397 2398 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2399 // '__attribute__' has special handling. 2400 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2401 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2402 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2403 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2404 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2405 2406 // Generic macro has no special handling in this location. 2407 Tokens = annotate("@property(weak) id delegate A(X);"); 2408 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2409 // Note: Don't check token-type as a random token in this position is hard to 2410 // reason about. 2411 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2412 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2413 2414 // Add a custom AttributeMacro. Test that it has the same behavior. 2415 FormatStyle Style = getLLVMStyle(); 2416 Style.AttributeMacros.push_back("A"); 2417 2418 // An "AttributeMacro" gets annotated like '__attribute__'. 2419 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2420 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2421 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2422 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2423 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2424 } 2425 2426 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2427 auto Annotate = [this](StringRef Code) { 2428 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2429 }; 2430 // Test that unary operators get labeled as such and that operators like '++' 2431 // don't get split. 2432 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2433 tok::tilde, tok::amp, tok::pipe, 2434 tok::caret, tok::plusplus, tok::minusminus}; 2435 for (auto Kind : Unary) { 2436 auto Tokens = 2437 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2438 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2439 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2440 } 2441 // Operators formed by joining two operators like '^~'. For some of these 2442 // joined operators, we don't have a separate type, so we only test for their 2443 // precedence. 2444 std::pair<prec::Level, std::string> JoinedBinary[] = { 2445 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2446 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2447 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2448 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2449 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2450 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2451 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2452 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2453 {prec::Equality, "!="}, {prec::Equality, "==="}, 2454 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2455 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2456 {prec::ExclusiveOr, "^~"}, 2457 }; 2458 for (auto Operator : JoinedBinary) { 2459 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2460 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2461 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2462 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2463 } 2464 // '~^' and '^~' can be unary as well as binary operators. 2465 auto Tokens = Annotate("x = ~^x;"); 2466 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2467 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2468 Tokens = Annotate("x = ^~x;"); 2469 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2470 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2471 // The unary operators '~&' and '~|' can only be unary operators. The current 2472 // implementation treats each of them as separate unary '~' and '&' or '|' 2473 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2474 // there is a test that there is no space in between. And even if a new line 2475 // is inserted between the '~' and '|', the semantic meaning is the same as 2476 // the joined operator, so the CanBreakBefore property doesn't need to be 2477 // false for the second operator. 2478 Tokens = Annotate("x = ~&x;"); 2479 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2480 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2481 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2482 Tokens = Annotate("x = ~|x;"); 2483 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2484 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2485 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2486 // Test for block label colons. 2487 Tokens = Annotate("begin : x\n" 2488 "end : x"); 2489 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2490 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2491 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2492 // Test that the dimension colon is annotated correctly. 2493 Tokens = Annotate("var [1 : 0] x;"); 2494 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2495 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2496 Tokens = Annotate("extern function [1 : 0] x;"); 2497 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2498 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2499 Tokens = Annotate("module test\n" 2500 " (input wire [7 : 0] a[7 : 0]);\n" 2501 "endmodule"); 2502 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2503 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2504 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2505 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2506 // Test case labels and ternary operators. 2507 Tokens = Annotate("case (x)\n" 2508 " x:\n" 2509 " x;\n" 2510 "endcase"); 2511 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2512 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2513 Tokens = Annotate("case (x)\n" 2514 " x ? x : x:\n" 2515 " x;\n" 2516 "endcase"); 2517 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2518 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2519 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2520 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2521 // Non-blocking assignments. 2522 Tokens = Annotate("a <= b;"); 2523 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2524 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2525 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2526 Tokens = Annotate("if (a <= b) break;"); 2527 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2528 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2529 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2530 Tokens = Annotate("a <= b <= a;"); 2531 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2532 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2533 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2534 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2535 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2536 2537 // Port lists in module instantiation. 2538 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2539 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2540 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2541 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2542 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2543 "instance_2(port_2);"); 2544 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2545 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2546 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2547 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2548 2549 // Condition parentheses. 2550 Tokens = Annotate("assert (x);"); 2551 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2552 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2553 Tokens = Annotate("assert #0 (x);"); 2554 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2555 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2556 Tokens = Annotate("assert final (x);"); 2557 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2558 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2559 Tokens = Annotate("foreach (x[x]) continue;"); 2560 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2561 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2562 Tokens = Annotate("repeat (x[x]) continue;"); 2563 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2564 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2565 Tokens = Annotate("case (x) endcase;"); 2566 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2567 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2568 2569 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2570 // future, please adapt if those tokens get annotated. This test is only here 2571 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2572 Tokens = Annotate("always @(posedge x, posedge y);"); 2573 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2574 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2575 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2576 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2577 2578 // String literals in concatenation. 2579 Tokens = Annotate("x = {\"\"};"); 2580 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2581 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2582 Tokens = Annotate("x = {\"\", \"\"};"); 2583 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2584 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2585 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2586 Tokens = Annotate("x = '{{\"\"}};"); 2587 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2588 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2589 // Cases where the string should not be annotated that type. Fix the 2590 // `TT_Unknown` if needed in the future. 2591 Tokens = Annotate("x = {\"\" == \"\"};"); 2592 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2593 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2594 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2595 Tokens = Annotate("x = {(\"\")};"); 2596 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2597 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2598 Tokens = Annotate("x = '{\"\"};"); 2599 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2600 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2601 2602 // Module headers. 2603 Tokens = Annotate("module x();\n" 2604 "endmodule"); 2605 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2606 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogMultiLineListLParen); 2607 Tokens = Annotate("function automatic `x x();\n" 2608 "endmodule"); 2609 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2610 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_VerilogMultiLineListLParen); 2611 Tokens = Annotate("function automatic x``x x();\n" 2612 "endmodule"); 2613 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2614 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2615 Tokens = Annotate("function automatic x::x x();\n" 2616 "endmodule"); 2617 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2618 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2619 } 2620 2621 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2622 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2623 ASSERT_TRUE(Style.isTableGen()); 2624 2625 TestLexer Lexer(Allocator, Buffers, Style); 2626 AdditionalKeywords Keywords(Lexer.IdentTable); 2627 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2628 2629 // Additional keywords representation test. 2630 auto Tokens = Annotate("def foo : Bar<1>;"); 2631 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2632 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2633 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2634 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2635 2636 // Code, the multiline string token. 2637 Tokens = Annotate("[{ code is multiline string }]"); 2638 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2639 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2640 EXPECT_FALSE(Tokens[0]->IsMultiline); 2641 // Case with multiple lines. 2642 Tokens = Annotate("[{ It can break\n" 2643 " across lines and the line breaks\n" 2644 " are retained in \n" 2645 " the string. }]"); 2646 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2647 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2648 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2649 EXPECT_TRUE(Tokens[0]->IsMultiline); 2650 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2651 2652 // Numeric literals. 2653 Tokens = Annotate("1234"); 2654 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2655 Tokens = Annotate("-1"); 2656 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2657 Tokens = Annotate("+1234"); 2658 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2659 Tokens = Annotate("0b0110"); 2660 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2661 Tokens = Annotate("0x1abC"); 2662 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2663 2664 // Identifier tokens. In TableGen, identifiers can begin with a number. 2665 // In ambiguous cases, the lexer tries to lex it as a number. 2666 // Even if the try fails, it does not fall back to identifier lexing and 2667 // regard as an error. 2668 // The ambiguity is not documented. The result of those tests are based on the 2669 // implementation of llvm::TGLexer::LexToken. 2670 // This is invalid syntax of number, but not an identifier. 2671 Tokens = Annotate("0x1234x"); 2672 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2673 Tokens = Annotate("identifier"); 2674 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2675 // Identifier beginning with a number. 2676 Tokens = Annotate("0x"); 2677 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2678 Tokens = Annotate("2dVector"); 2679 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2680 Tokens = Annotate("01234Vector"); 2681 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2682 2683 // Structured statements. 2684 Tokens = Annotate("class Foo {}"); 2685 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2686 Tokens = Annotate("def Def: Foo {}"); 2687 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2688 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2689 Tokens = Annotate("if cond then {} else {}"); 2690 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2691 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2692 Tokens = Annotate("defset Foo Def2 = {}"); 2693 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2694 2695 // Bang Operators. 2696 Tokens = Annotate("!foreach"); 2697 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2698 Tokens = Annotate("!if"); 2699 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2700 Tokens = Annotate("!cond"); 2701 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2702 2703 auto AnnotateValue = [this, &Style](StringRef Code) { 2704 // Values are annotated only in specific context. 2705 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2706 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2707 }; 2708 // Both of bang/cond operators. 2709 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2710 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2711 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2712 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2713 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2714 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2715 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2716 // DAGArg values with operator identifier 2717 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2718 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2719 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2720 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2721 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2722 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2723 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2724 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2725 // List literal 2726 Tokens = AnnotateValue("[1, 2, 3]"); 2727 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2728 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2729 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2730 // Suffixes of values 2731 Tokens = AnnotateValue("valid.field"); 2732 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2733 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2734 // Code 2735 Tokens = AnnotateValue("[{ code is multiline string }]"); 2736 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2737 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2738 2739 // The definition 2740 Tokens = annotate("def Def : Parent<Child> {}", Style); 2741 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2742 // We use inheritance colon and function brace. They are enough. 2743 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2744 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2745 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2746 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2747 2748 // DAGArg breaking options. They use different token types depending on what 2749 // is specified. 2750 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2751 2752 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2753 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2754 // elements to have line break. 2755 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2756 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2757 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2758 EXPECT_TOKEN(Tokens[1], tok::identifier, 2759 TT_TableGenDAGArgOperatorID); // ins 2760 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2761 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2762 2763 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2764 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2765 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2766 EXPECT_TOKEN(Tokens[1], tok::identifier, 2767 TT_TableGenDAGArgOperatorID); // other 2768 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2769 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2770 2771 // For non-identifier operators, breaks after the operator. 2772 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2773 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2774 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2775 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2776 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2777 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2778 2779 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2780 2781 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2782 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2783 // to have line break inside it. 2784 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2785 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2786 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2787 EXPECT_TOKEN(Tokens[1], tok::identifier, 2788 TT_TableGenDAGArgOperatorToBreak); // ins 2789 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2790 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2791 2792 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2793 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2794 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2795 EXPECT_TOKEN(Tokens[1], tok::identifier, 2796 TT_TableGenDAGArgOperatorToBreak); // other 2797 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2798 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2799 2800 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2801 // specified operators. 2802 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2803 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2804 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2805 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2806 EXPECT_TOKEN(Tokens[1], tok::identifier, 2807 TT_TableGenDAGArgOperatorToBreak); // ins 2808 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2809 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2810 2811 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2812 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2813 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2814 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2815 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2816 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2817 2818 // If TableGenBreakingDAGArgOperators is enabled, it uses 2819 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2820 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2821 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2822 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2823 EXPECT_TOKEN(Tokens[1], tok::identifier, 2824 TT_TableGenDAGArgOperatorToBreak); // ins 2825 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2826 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2827 2828 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2829 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2830 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2831 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2832 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2833 } 2834 2835 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2836 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2837 2838 // The TT_Unknown is clearly not binding for the future, please adapt if those 2839 // tokens get annotated. 2840 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2841 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2842 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2843 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2844 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2845 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2846 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2847 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2848 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2849 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2850 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2851 2852 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2853 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2854 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2855 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2856 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2857 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2858 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2859 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2860 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2861 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2862 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2863 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2864 2865 Tokens = annotate("class Class {\n" 2866 " Class() : BaseClass() {\n" 2867 "#if 0\n" 2868 " // comment\n" 2869 "#endif\n" 2870 " }\n" 2871 " Class f();\n" 2872 "}"); 2873 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2874 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2875 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2876 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2877 } 2878 2879 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2880 auto Tokens = annotate("if (x) {}"); 2881 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2882 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2883 Tokens = annotate("if constexpr (x) {}"); 2884 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2885 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2886 Tokens = annotate("if CONSTEXPR (x) {}"); 2887 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2888 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2889 Tokens = annotate("if (x) {} else if (x) {}"); 2890 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2891 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2892 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2893 } 2894 2895 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2896 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2897 2898 auto Tokens = annotate("int? a;", Style); 2899 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2900 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2901 2902 Tokens = annotate("int? a = 1;", Style); 2903 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2904 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2905 2906 Tokens = annotate("int?)", Style); 2907 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2908 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2909 2910 Tokens = annotate("int?>", Style); 2911 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2912 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2913 2914 Tokens = annotate("cond? id : id2", Style); 2915 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2916 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2917 2918 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2919 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2920 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2921 } 2922 2923 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2924 auto Tokens = annotate("{ x: break; }"); 2925 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2926 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2927 2928 Tokens = annotate("{ case x: break; }"); 2929 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2930 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2931 2932 Tokens = annotate("{ x: { break; } }"); 2933 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2934 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2935 2936 Tokens = annotate("{ case x: { break; } }"); 2937 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2938 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2939 2940 Tokens = annotate("#define FOO label:"); 2941 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2942 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2943 2944 Tokens = annotate("#define FOO \\\n" 2945 "label: \\\n" 2946 " break;"); 2947 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2948 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2949 } 2950 2951 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2952 // The closing braces are not annotated. It doesn't seem to cause a problem. 2953 // So we only test for the opening braces. 2954 auto Tokens = annotate("{\n" 2955 " {\n" 2956 " { int a = 0; }\n" 2957 " }\n" 2958 " {}\n" 2959 "}"); 2960 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2961 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2962 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2963 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2964 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2965 } 2966 2967 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2968 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2969 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2970 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2971 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2972 2973 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2974 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2975 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2976 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2977 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2978 2979 Tokens = annotate("SomeStruct {\n" 2980 "#ifdef FOO\n" 2981 " .a = 1,\n" 2982 "#endif\n" 2983 " .b = 2\n" 2984 "};"); 2985 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2986 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2987 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2988 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2989 2990 Tokens = annotate("SomeStruct {\n" 2991 "#if defined FOO\n" 2992 " .a = 1,\n" 2993 "#endif\n" 2994 " .b = 2\n" 2995 "};"); 2996 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2997 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2998 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2999 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 3000 3001 Tokens = annotate("Foo foo[] = {[0]{}};"); 3002 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3003 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 3004 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3005 } 3006 3007 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 3008 auto Annotate = [this](StringRef Code) { 3009 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 3010 }; 3011 3012 // Dictionary. 3013 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 3014 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3015 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 3016 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 3017 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 3018 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 3019 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 3020 // Change when we need to annotate these. 3021 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 3022 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 3023 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 3024 } 3025 3026 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 3027 auto Tokens = annotate("bool foo __attribute__((unused));"); 3028 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3029 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3030 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3031 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 3032 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 3033 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 3034 3035 Tokens = annotate("bool foo __declspec(dllimport);"); 3036 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3037 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3038 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3039 3040 Tokens = annotate("bool __attribute__((unused)) foo;"); 3041 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3042 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3043 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3044 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3045 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3046 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 3047 3048 Tokens = annotate("void __attribute__((x)) Foo();"); 3049 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3050 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3051 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3052 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3053 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3054 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 3055 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 3056 3057 FormatStyle Style = getLLVMStyle(); 3058 Style.AttributeMacros.push_back("FOO"); 3059 Tokens = annotate("bool foo FOO(unused);", Style); 3060 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3061 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 3062 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3063 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3064 } 3065 3066 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 3067 auto Tokens = annotate("while (true) {}"); 3068 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3069 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3070 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3071 3072 Tokens = annotate("for (;;) {}"); 3073 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3074 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 3075 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 3076 3077 Tokens = annotate("do {} while (true);"); 3078 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3079 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3080 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3081 3082 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3083 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3084 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3085 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3086 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3087 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3088 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3089 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3090 3091 Tokens = annotate("switch (foo) {}"); 3092 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3093 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3094 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3095 } 3096 3097 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3098 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3099 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3100 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3101 3102 Tokens = annotate("do ++i; while ( i > 5 );"); 3103 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3104 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3105 } 3106 3107 TEST_F(TokenAnnotatorTest, StartOfName) { 3108 auto Tokens = annotate("#pragma clang diagnostic push"); 3109 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3110 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3111 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3112 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3113 3114 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3115 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3116 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3117 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3118 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3119 3120 Tokens = annotate("#define FOO Foo foo"); 3121 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3122 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3123 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3124 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3125 3126 Tokens = annotate("@interface NSCoder (TestCoder)"); 3127 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3128 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3129 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3130 3131 auto Style = getLLVMStyle(); 3132 Style.StatementAttributeLikeMacros.push_back("emit"); 3133 Tokens = annotate("emit foo = 0;", Style); 3134 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3135 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3136 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3137 } 3138 3139 TEST_F(TokenAnnotatorTest, BraceKind) { 3140 auto Tokens = annotate("void f() {};"); 3141 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3142 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3143 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3144 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3145 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3146 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3147 3148 Tokens = annotate("class Foo<int> f() {}"); 3149 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3150 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3151 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3152 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3153 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3154 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3155 3156 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3157 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3158 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3159 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3160 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3161 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3162 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3163 3164 Tokens = annotate("void f() override {};"); 3165 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3166 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3167 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3168 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3169 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3170 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3171 3172 Tokens = annotate("void f() noexcept(false) {};"); 3173 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3174 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3175 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3176 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3177 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3178 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3179 3180 Tokens = annotate("auto f() -> void {};"); 3181 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3182 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3183 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3184 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3185 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3186 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3187 3188 Tokens = annotate("void f() { /**/ };"); 3189 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3190 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3191 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3192 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3193 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3194 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3195 3196 Tokens = annotate("void f() { //\n" 3197 "};"); 3198 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3199 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3200 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3201 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3202 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3203 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3204 3205 Tokens = annotate("void f() {\n" 3206 " //\n" 3207 "};"); 3208 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3209 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3210 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3211 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3212 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3213 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3214 3215 Tokens = annotate("struct Foo {\n" 3216 " Foo() {};\n" 3217 " ~Foo() {};\n" 3218 "};"); 3219 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3220 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3221 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3222 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3223 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3224 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3225 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3226 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3227 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3228 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3229 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3230 3231 Tokens = annotate("{\n" 3232 " char *a[] = {\n" 3233 " /* abc */ \"abc\",\n" 3234 "#if FOO\n" 3235 " /* xyz */ \"xyz\",\n" 3236 "#endif\n" 3237 " /* last */ \"last\"};\n" 3238 "}"); 3239 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3240 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3241 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3242 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3243 3244 Tokens = 3245 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3246 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3247 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3248 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3249 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3250 3251 Tokens = annotate("struct {};"); 3252 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3253 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3254 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3255 3256 Tokens = annotate("struct : Base {};"); 3257 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3258 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3259 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3260 3261 Tokens = annotate("struct Foo {};"); 3262 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3263 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3264 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3265 3266 Tokens = annotate("struct ::Foo {};"); 3267 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3268 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3269 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3270 3271 Tokens = annotate("struct NS::Foo {};"); 3272 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3273 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3274 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3275 3276 Tokens = annotate("struct Foo<int> {};"); 3277 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3278 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3279 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3280 3281 Tokens = annotate("struct Foo<int>::Bar {};"); 3282 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3283 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3284 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3285 3286 Tokens = annotate("struct Foo<int> : Base {};"); 3287 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3288 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3289 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3290 3291 Tokens = annotate("struct Foo final {};"); 3292 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3293 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3294 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3295 3296 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3297 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3298 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3299 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3300 3301 Tokens = annotate("struct Foo x{};"); 3302 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3303 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3304 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3305 3306 Tokens = annotate("struct ::Foo x{};"); 3307 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3308 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3309 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3310 3311 Tokens = annotate("struct NS::Foo x{};"); 3312 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3313 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3314 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3315 3316 Tokens = annotate("struct Foo<int> x{};"); 3317 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3318 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3319 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3320 3321 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3322 "#else\n" 3323 "#endif\n" 3324 "class RenderingServer : Object {\n" 3325 "#ifndef DISABLE_DEPRECATED\n" 3326 " enum Features {\n" 3327 " FEATURE_SHADERS,\n" 3328 " FEATURE_MULTITHREADED,\n" 3329 " };\n" 3330 "#endif\n" 3331 "};"); 3332 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3333 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3334 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3335 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3336 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3337 3338 Tokens = annotate("{\n" 3339 "#define M(x) \\\n" 3340 " return {#x};\n" 3341 "}"); 3342 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3343 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3344 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3345 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3346 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3347 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3348 3349 Tokens = annotate("{\n" 3350 " {\n" 3351 "#define GEN_ID(_x) char *_x{#_x}\n" 3352 " GEN_ID(one);\n" 3353 " }\n" 3354 "}"); 3355 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 3356 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3357 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3358 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3359 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3360 #if 0 3361 // FIXME: 3362 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3363 EXPECT_BRACE_KIND(Tokens[14], BK_BracedInit); 3364 #endif 3365 EXPECT_BRACE_KIND(Tokens[20], BK_Block); 3366 EXPECT_BRACE_KIND(Tokens[21], BK_Block); 3367 3368 Tokens = annotate("a = class extends goog.a {};", 3369 getGoogleStyle(FormatStyle::LK_JavaScript)); 3370 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3371 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3372 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3373 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3374 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3375 3376 Tokens = annotate("a = class Foo extends goog.a {};", 3377 getGoogleStyle(FormatStyle::LK_JavaScript)); 3378 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3379 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_ClassLBrace); 3380 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3381 EXPECT_TOKEN(Tokens[9], tok::r_brace, TT_ClassRBrace); 3382 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3383 3384 Tokens = annotate("#define FOO(X) \\\n" 3385 " struct X##_tag_ {};"); 3386 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3387 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3388 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3389 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3390 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3391 3392 Tokens = annotate("#define MACRO \\\n" 3393 " struct hash<type> { \\\n" 3394 " void f() { return; } \\\n" 3395 " };"); 3396 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3397 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3398 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3399 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3400 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3401 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3402 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3403 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3404 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3405 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3406 3407 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3408 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3409 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3410 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3411 } 3412 3413 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3414 auto Tokens = annotate("auto foo() -> enum En {}"); 3415 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3416 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3417 } 3418 3419 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3420 auto Tokens = annotate("{\n" 3421 " {\n" 3422 " foo();\n" 3423 " }\n" 3424 "}"); 3425 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3426 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3427 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3428 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3429 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3430 3431 Tokens = annotate("void bar() {\n" 3432 " {\n" 3433 " foo();\n" 3434 " }\n" 3435 "}"); 3436 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3437 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3438 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3439 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3440 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3441 3442 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3443 getLLVMStyle(FormatStyle::LK_ObjC)); 3444 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3445 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3446 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3447 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3448 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3449 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3450 } 3451 3452 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3453 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3454 auto Tokens = annotate("i = switch (day) {\n" 3455 " case THURSDAY, SATURDAY -> 8;\n" 3456 " case WEDNESDAY -> 9;\n" 3457 " default -> 1;\n" 3458 "};", 3459 Style); 3460 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3461 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3462 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3463 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3464 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3465 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3466 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3467 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3468 } 3469 3470 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3471 auto Tokens = annotate("a = b and c;"); 3472 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3473 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3474 3475 Tokens = annotate("a = b and_eq c;"); 3476 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3477 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3478 3479 Tokens = annotate("a = b bitand c;"); 3480 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3481 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3482 3483 Tokens = annotate("a = b bitor c;"); 3484 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3485 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3486 3487 Tokens = annotate("a = b compl c;"); 3488 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3489 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3490 3491 Tokens = annotate("a = b not c;"); 3492 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3493 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3494 3495 Tokens = annotate("a = b not_eq c;"); 3496 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3497 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3498 3499 Tokens = annotate("a = b or c;"); 3500 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3501 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3502 3503 Tokens = annotate("a = b or_eq c;"); 3504 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3505 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3506 3507 Tokens = annotate("a = b xor c;"); 3508 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3509 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3510 3511 Tokens = annotate("a = b xor_eq c;"); 3512 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3513 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3514 3515 Tokens = annotate("xor = foo;"); 3516 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3517 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3518 3519 Tokens = annotate("int xor = foo;"); 3520 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3521 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3522 } 3523 3524 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3525 auto Tokens = 3526 annotate("Foo::Foo(int x, int y) try\n" 3527 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3528 "} catch (...) {\n" 3529 "}"); 3530 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3531 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3532 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3533 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3534 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3535 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3536 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3537 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3538 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3539 } 3540 3541 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3542 auto Style = getLLVMStyle(); 3543 Style.TypenameMacros.push_back("STRUCT"); 3544 3545 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3546 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3547 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3548 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3549 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3550 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3551 } 3552 3553 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3554 auto Style = getGNUStyle(); 3555 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3556 3557 auto Tokens = annotate("return 1 <=> 2;", Style); 3558 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3559 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3560 } 3561 3562 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3563 auto Style = getLLVMStyle(); 3564 Style.ColumnLimit = 20; 3565 3566 auto Tokens = annotate("class foo {\n" 3567 " auto bar()\n" 3568 " -> bool;\n" 3569 "};", 3570 Style); 3571 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3572 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3573 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3574 } 3575 3576 TEST_F(TokenAnnotatorTest, TemplateName) { 3577 constexpr StringRef Code{"return Foo < A || B > (C ^ D);"}; 3578 3579 auto Tokens = annotate(Code); 3580 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3581 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 3582 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 3583 3584 auto Style = getLLVMStyle(); 3585 Style.TemplateNames.push_back("Foo"); 3586 3587 Tokens = annotate(Code, Style); 3588 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_TemplateName); 3589 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3590 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3591 } 3592 3593 TEST_F(TokenAnnotatorTest, TemplateInstantiation) { 3594 auto Tokens = annotate("return FixedInt<N | M>();"); 3595 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3596 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3597 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3598 3599 Tokens = annotate("return std::conditional_t<T::value == U::value, T, U>{};"); 3600 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3601 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 3602 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 3603 3604 Tokens = 3605 annotate("auto x{std::conditional_t<T::value == U::value, T, U>{}};"); 3606 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 3607 EXPECT_TOKEN(Tokens[6], tok::less, TT_TemplateOpener); 3608 EXPECT_TOKEN(Tokens[18], tok::greater, TT_TemplateCloser); 3609 } 3610 3611 TEST_F(TokenAnnotatorTest, SwitchInMacroArgument) { 3612 auto Tokens = annotate("FOOBAR(switch);\n" 3613 "void f() {}"); 3614 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3615 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_FunctionLBrace); 3616 } 3617 3618 } // namespace 3619 } // namespace format 3620 } // namespace clang 3621