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, CompoundRequirement) { 1460 auto Tokens = annotate("template <typename T, typename V>\n" 1461 "concept CheckMultiplicableBy = requires(T a, V b) {\n" 1462 " { a * b } -> std::same_as<T>;\n" 1463 "};"); 1464 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1465 1466 EXPECT_TOKEN(Tokens[19], tok::l_brace, TT_RequiresExpressionLBrace); 1467 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_CompoundRequirementLBrace); 1468 EXPECT_TOKEN(Tokens[22], tok::star, TT_BinaryOperator); 1469 } 1470 1471 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1472 // Everything after #pragma region should be ImplicitStringLiteral 1473 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1474 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1475 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1476 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1477 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1478 1479 // Make sure it's annotated correctly inside a function as well 1480 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1481 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1482 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1483 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1484 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1485 } 1486 1487 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1488 const char *BaseCode = nullptr; 1489 const char *ConstrainedCode = nullptr; 1490 auto BaseTokenCount = 0u; 1491 auto RequiresTokenCount = 0u; 1492 auto PrefixTokenCount = 0u; 1493 1494 auto TestRequires = [&](int Line) { 1495 const auto BaseTokens = annotate(BaseCode); 1496 const auto ConstrainedTokens = annotate(ConstrainedCode); 1497 1498 #define LINE " (Line " << Line << ')' 1499 1500 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1501 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1502 << LINE; 1503 1504 for (auto I = 0u; I < BaseTokenCount; ++I) { 1505 EXPECT_EQ( 1506 *BaseTokens[I], 1507 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1508 << I << LINE; 1509 } 1510 1511 #undef LINE 1512 }; 1513 1514 BaseCode = "template<typename T>\n" 1515 "T Pi = 3.14;"; 1516 ConstrainedCode = "template<typename T>\n" 1517 " requires Foo<T>\n" 1518 "T Pi = 3.14;"; 1519 BaseTokenCount = 11; 1520 RequiresTokenCount = 5; 1521 PrefixTokenCount = 5; 1522 TestRequires(__LINE__); 1523 1524 BaseCode = "template<typename T>\n" 1525 "struct Bar;"; 1526 ConstrainedCode = "template<typename T>\n" 1527 " requires Foo<T>\n" 1528 "struct Bar;"; 1529 BaseTokenCount = 9; 1530 TestRequires(__LINE__); 1531 1532 BaseCode = "template<typename T>\n" 1533 "struct Bar {\n" 1534 " T foo();\n" 1535 " T bar();\n" 1536 "};"; 1537 ConstrainedCode = "template<typename T>\n" 1538 " requires Foo<T>\n" 1539 "struct Bar {\n" 1540 " T foo();\n" 1541 " T bar();\n" 1542 "};"; 1543 BaseTokenCount = 21; 1544 TestRequires(__LINE__); 1545 1546 BaseCode = "template<typename T>\n" 1547 "Bar(T) -> Bar<T>;"; 1548 ConstrainedCode = "template<typename T>\n" 1549 " requires Foo<T>\n" 1550 "Bar(T) -> Bar<T>;"; 1551 BaseTokenCount = 16; 1552 TestRequires(__LINE__); 1553 1554 BaseCode = "template<typename T>\n" 1555 "T foo();"; 1556 ConstrainedCode = "template<typename T>\n" 1557 " requires Foo<T>\n" 1558 "T foo();"; 1559 BaseTokenCount = 11; 1560 TestRequires(__LINE__); 1561 1562 BaseCode = "template<typename T>\n" 1563 "T foo() {\n" 1564 " auto bar = baz();\n" 1565 " return bar + T{};\n" 1566 "}"; 1567 ConstrainedCode = "template<typename T>\n" 1568 " requires Foo<T>\n" 1569 "T foo() {\n" 1570 " auto bar = baz();\n" 1571 " return bar + T{};\n" 1572 "}"; 1573 BaseTokenCount = 26; 1574 TestRequires(__LINE__); 1575 1576 BaseCode = "template<typename T>\n" 1577 "T foo();"; 1578 ConstrainedCode = "template<typename T>\n" 1579 "T foo() requires Foo<T>;"; 1580 BaseTokenCount = 11; 1581 PrefixTokenCount = 9; 1582 TestRequires(__LINE__); 1583 1584 BaseCode = "template<typename T>\n" 1585 "T foo() {\n" 1586 " auto bar = baz();\n" 1587 " return bar + T{};\n" 1588 "}"; 1589 ConstrainedCode = "template<typename T>\n" 1590 "T foo() requires Foo<T> {\n" 1591 " auto bar = baz();\n" 1592 " return bar + T{};\n" 1593 "}"; 1594 BaseTokenCount = 26; 1595 TestRequires(__LINE__); 1596 1597 BaseCode = "template<typename T>\n" 1598 "T foo();"; 1599 ConstrainedCode = "template<typename T>\n" 1600 " requires(Foo<T>)\n" 1601 "T foo();"; 1602 BaseTokenCount = 11; 1603 RequiresTokenCount = 7; 1604 PrefixTokenCount = 5; 1605 TestRequires(__LINE__); 1606 1607 BaseCode = "template<typename T>\n" 1608 "Bar(T) -> Bar<typename T::I>;"; 1609 ConstrainedCode = "template<typename T>\n" 1610 " requires requires(T &&t) {\n" 1611 " typename T::I;\n" 1612 " }\n" 1613 "Bar(T) -> Bar<typename T::I>;"; 1614 BaseTokenCount = 19; 1615 RequiresTokenCount = 14; 1616 PrefixTokenCount = 5; 1617 TestRequires(__LINE__); 1618 1619 BaseCode = "struct [[nodiscard]] zero_t {\n" 1620 " template<class T>\n" 1621 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1622 "};"; 1623 ConstrainedCode = 1624 "struct [[nodiscard]] zero_t {\n" 1625 " template<class T>\n" 1626 " requires requires { v<T>; }\n" 1627 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1628 "};"; 1629 BaseTokenCount = 35; 1630 RequiresTokenCount = 9; 1631 PrefixTokenCount = 13; 1632 TestRequires(__LINE__); 1633 1634 BaseCode = "constexpr Foo(Foo const &other)\n" 1635 " : value{other.value} {\n" 1636 " do_magic();\n" 1637 " do_more_magic();\n" 1638 "}"; 1639 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1640 " requires std::is_copy_constructible<T>\n" 1641 " : value{other.value} {\n" 1642 " do_magic();\n" 1643 " do_more_magic();\n" 1644 "}"; 1645 BaseTokenCount = 26; 1646 RequiresTokenCount = 7; 1647 PrefixTokenCount = 8; 1648 TestRequires(__LINE__); 1649 1650 BaseCode = "constexpr Foo(Foo const &other)\n" 1651 " : value{other.value} {\n" 1652 " do_magic();\n" 1653 " do_more_magic();\n" 1654 "}"; 1655 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1656 " requires (std::is_copy_constructible<T>)\n" 1657 " : value{other.value} {\n" 1658 " do_magic();\n" 1659 " do_more_magic();\n" 1660 "}"; 1661 RequiresTokenCount = 9; 1662 TestRequires(__LINE__); 1663 1664 BaseCode = "template<typename T>\n" 1665 "ANNOTATE(\"S\"\n" 1666 " \"S\")\n" 1667 "void foo();"; 1668 ConstrainedCode = "template<typename T>\n" 1669 " requires(true)\n" 1670 "ANNOTATE(\"S\"\n" 1671 " \"S\")\n" 1672 "void foo();"; 1673 BaseTokenCount = 16; 1674 RequiresTokenCount = 4; 1675 PrefixTokenCount = 5; 1676 TestRequires(__LINE__); 1677 } 1678 1679 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1680 auto 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[1], tok::l_brace, TT_InlineASMBrace); 1687 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1688 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1689 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1690 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1691 1692 Tokens = annotate("__asm(\n" 1693 "\"a\":\n" 1694 ": x\n" 1695 ":);"); 1696 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1697 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1698 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1699 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1700 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1701 1702 Tokens = annotate("asm volatile (\n" 1703 "\"a_label:\"\n" 1704 ":\n" 1705 ": x\n" 1706 ":);"); 1707 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1708 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1709 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1710 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1711 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1712 1713 Tokens = annotate("__asm__(\n" 1714 "\"a_label:\"\n" 1715 ": x\n" 1716 ":\n" 1717 ": y);"); 1718 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1719 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1720 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1721 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1722 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1723 1724 Tokens = annotate("__asm volatile (\n" 1725 "\"a_label:\"\n" 1726 "\"a b c(%%x)\"\n" 1727 ":\n" 1728 ": x\n" 1729 ":);"); 1730 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1731 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1732 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1733 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1734 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1735 1736 Tokens = annotate("asm(\n" 1737 "\"insn\"\n" 1738 ": \"=r\" (var1), \"=&r\" (value)\n" 1739 ":\n" 1740 ": \"memory\");"); 1741 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1742 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1743 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1744 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1745 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1746 1747 Tokens = annotate("__asm__ volatile (\n" 1748 "\"ldr r1, [r0, %%[sym]]\"\n" 1749 ":\n" 1750 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1751 ");"); 1752 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1753 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1754 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1755 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1756 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1757 } 1758 1759 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1760 auto Tokens = annotate("int (^)() = ^ ()\n" 1761 " external_source_symbol() { //\n" 1762 " return 1;\n" 1763 "};"); 1764 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1765 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1766 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1767 1768 Tokens = annotate("int *p = ^int*(){ //\n" 1769 " return nullptr;\n" 1770 "}();"); 1771 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1772 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1773 1774 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1775 " return a;\n" 1776 "};"); 1777 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1778 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1779 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1780 } 1781 1782 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1783 auto Tokens = annotate("void f() {\n" 1784 " //\n" 1785 " BOOL a = [b.c n] > 1;\n" 1786 "}"); 1787 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1788 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1789 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1790 } 1791 1792 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1793 auto Tokens = annotate("[]() constexpr {}"); 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("[]() consteval {}"); 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("[]() mutable {}"); 1806 ASSERT_EQ(Tokens.size(), 8u) << 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[5], tok::l_brace, TT_LambdaLBrace); 1810 1811 Tokens = annotate("[]() static {}"); 1812 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1813 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1814 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1815 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1816 1817 Tokens = annotate("[]() -> auto {}"); 1818 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1819 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1820 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1821 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1822 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1823 1824 Tokens = annotate("[]() -> auto & {}"); 1825 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1826 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1827 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1828 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1829 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1830 1831 Tokens = annotate("[]() -> auto * {}"); 1832 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1833 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1834 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1835 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1836 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1837 1838 Tokens = annotate("[] {}"); 1839 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1840 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1841 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1842 1843 Tokens = annotate("[] noexcept {}"); 1844 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1845 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1846 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1847 1848 Tokens = annotate("[] -> auto {}"); 1849 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1850 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1851 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1852 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1853 1854 Tokens = annotate("[] -> struct S { return {}; }"); 1855 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1856 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1857 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1858 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1859 1860 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1861 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1862 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1863 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1864 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1865 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1866 1867 Tokens = annotate("[] <typename T> () {}"); 1868 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1869 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1870 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1871 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1872 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1873 1874 Tokens = annotate("[] <typename T> {}"); 1875 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1876 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1877 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1878 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1879 1880 Tokens = annotate("[] <typename... T> () {}"); 1881 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1882 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1883 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1884 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1885 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1886 1887 Tokens = annotate("[] <typename... T> {}"); 1888 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1889 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1890 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1891 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1892 1893 Tokens = annotate("[] <int... T> () {}"); 1894 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1895 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1896 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1897 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1898 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1899 1900 Tokens = annotate("[] <int... T> {}"); 1901 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1902 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1903 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1904 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1905 1906 Tokens = annotate("[] <Foo... T> () {}"); 1907 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1908 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1909 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1910 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1911 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1912 1913 Tokens = annotate("[] <Foo... T> {}"); 1914 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1915 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1916 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1917 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1918 1919 // Lambdas with a requires-clause 1920 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1921 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1922 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1923 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1924 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1925 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1926 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1927 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1928 1929 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1930 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1931 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1932 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1933 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1934 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1935 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1936 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1937 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1938 1939 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1940 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1941 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1942 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1943 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1944 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1945 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1946 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1947 1948 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1949 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1950 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1951 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1952 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1953 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1954 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1955 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1956 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1957 1958 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1959 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1960 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1961 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1962 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1963 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1964 // FIXME: 1965 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1966 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1967 1968 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1969 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1970 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1971 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1972 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1973 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1974 // FIXME: 1975 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1976 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1977 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1978 1979 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1980 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1981 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1982 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1983 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1984 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1985 // FIXME: 1986 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1987 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1988 1989 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1990 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1991 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1992 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1993 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1994 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1995 // FIXME: 1996 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1997 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1998 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1999 2000 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 2001 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2002 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2003 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2004 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2005 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2006 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 2007 2008 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 2009 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2010 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2011 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2012 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2013 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2014 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2015 2016 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 2017 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2018 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2019 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2020 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2021 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2022 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 2023 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 2024 2025 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 2026 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 2027 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2028 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2029 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2030 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2031 // FIXME: 2032 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 2033 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 2034 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 2035 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 2036 2037 Tokens = annotate("[] <typename T = int> (T t) {}"); 2038 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2039 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2040 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2041 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2042 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2043 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2044 2045 Tokens = annotate("[] <int I = 0> (T t) {}"); 2046 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2047 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2048 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2049 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2050 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2051 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2052 2053 Tokens = annotate("[] <bool b = false> (T t) {}"); 2054 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2055 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2056 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2057 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2058 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2059 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2060 2061 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 2062 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2063 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2064 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2065 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 2066 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 2067 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 2068 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 2069 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 2070 2071 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2072 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2073 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2074 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2075 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2076 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2077 // FIXME: 2078 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2079 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2080 } 2081 2082 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2083 auto Tokens = annotate("template <typename T>\n" 2084 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2085 "string OldFunction(const string ¶meter) {}"); 2086 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2087 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2088 2089 Tokens = annotate("template <typename T>\n" 2090 "A(T) noexcept;"); 2091 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2092 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2093 2094 Tokens = annotate("FOO(bar)();"); 2095 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2096 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2097 } 2098 2099 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2100 auto Tokens = annotate("void f [[noreturn]] ();"); 2101 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2102 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2103 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2104 2105 Tokens = annotate("void f [[noreturn]] () {}"); 2106 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2107 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2108 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2109 2110 Tokens = annotate("#define FOO Foo::\n" 2111 "FOO Foo();"); 2112 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2113 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2114 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2115 2116 Tokens = annotate("struct Foo {\n" 2117 " Bar (*func)();\n" 2118 "};"); 2119 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2120 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2121 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2122 2123 Tokens = annotate("void instanceof();"); 2124 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2125 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2126 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2127 2128 Tokens = annotate("int iso_time(time_t);"); 2129 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2130 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2131 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2132 2133 auto Style = getLLVMStyle(); 2134 Style.TypeNames.push_back("MyType"); 2135 Tokens = annotate("int iso_time(MyType);", Style); 2136 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2137 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2138 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2139 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2140 } 2141 2142 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2143 auto Tokens = annotate("class Foo { public: Foo(); };"); 2144 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2145 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2146 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2147 2148 Tokens = annotate("class Foo { public: ~Foo(); };"); 2149 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2150 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2151 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2152 2153 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2154 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2155 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2156 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2157 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2158 2159 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2160 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2161 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2162 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2163 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2164 2165 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2166 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2167 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2168 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2169 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2170 2171 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2172 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2173 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2174 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2175 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2176 2177 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2178 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2179 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2180 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2181 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2182 2183 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2184 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2185 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2186 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2187 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2188 2189 Tokens = annotate("Foo::Foo() {}"); 2190 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2191 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2192 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2193 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2194 2195 Tokens = annotate("Foo::~Foo() {}"); 2196 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2197 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2198 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2199 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2200 2201 Tokens = annotate("struct Test {\n" 2202 " Test()\n" 2203 " : l([] {\n" 2204 " Short::foo();\n" 2205 " }) {}\n" 2206 "};"); 2207 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2208 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2209 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2210 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2211 } 2212 2213 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2214 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2215 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2216 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2217 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2218 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2219 } 2220 2221 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2222 auto Tokens = annotate("auto f() -> int;"); 2223 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2224 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2225 2226 Tokens = annotate("auto operator->() -> int;"); 2227 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2228 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2229 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2230 2231 Tokens = annotate("auto operator++(int) -> int;"); 2232 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2233 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2234 2235 Tokens = annotate("auto operator=() -> int;"); 2236 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2237 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2238 2239 Tokens = annotate("auto operator=(int) -> int;"); 2240 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2241 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2242 2243 Tokens = annotate("auto foo() -> auto { return Val; }"); 2244 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2245 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2246 2247 Tokens = annotate("struct S { auto bar() const -> int; };"); 2248 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2249 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2250 2251 // Not trailing return arrows 2252 Tokens = annotate("auto a = b->c;"); 2253 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2254 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2255 2256 Tokens = annotate("auto a = (b)->c;"); 2257 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2258 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2259 2260 Tokens = annotate("auto a = b()->c;"); 2261 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2262 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2263 2264 Tokens = annotate("auto a = b->c();"); 2265 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2266 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2267 2268 Tokens = annotate("decltype(auto) a = b()->c;"); 2269 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2270 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2271 2272 Tokens = annotate("void f() { auto a = b->c(); }"); 2273 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2274 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2275 2276 Tokens = annotate("void f() { auto a = b()->c; }"); 2277 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2278 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2279 2280 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2281 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2282 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2283 2284 Tokens = annotate("void f() FOO(foo->bar);"); 2285 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2286 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2287 2288 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2289 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2290 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2291 2292 Tokens = annotate("Class<Type>{foo}->func(arg);"); 2293 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2294 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not FunctionLBrace 2295 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2296 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2297 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2298 2299 auto Style = getLLVMStyle(); 2300 Style.StatementAttributeLikeMacros.push_back("emit"); 2301 Tokens = annotate("emit foo()->bar;", Style); 2302 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2303 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2304 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2305 2306 // Mixed 2307 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2308 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2309 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2310 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2311 } 2312 2313 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2314 auto Tokens = annotate("#define Foo(Bar) \\\n" 2315 " { \\\n" 2316 " #Bar \\\n" 2317 " }"); 2318 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2319 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2320 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2321 2322 Tokens = annotate("#define Foo(Bar) \\\n" 2323 " { #Bar }"); 2324 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2325 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2326 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2327 2328 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2329 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2330 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2331 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2332 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2333 } 2334 2335 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2336 // '__attribute__' has special handling. 2337 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2338 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2339 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2340 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2341 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2342 2343 // Generic macro has no special handling in this location. 2344 Tokens = annotate("A(X) void Foo(void);"); 2345 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2346 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2347 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2348 2349 // Add a custom AttributeMacro. Test that it has the same behavior. 2350 FormatStyle Style = getLLVMStyle(); 2351 Style.AttributeMacros.push_back("A"); 2352 2353 // An "AttributeMacro" gets annotated like '__attribute__'. 2354 Tokens = annotate("A(X) void Foo(void);", Style); 2355 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2356 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2357 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2358 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2359 } 2360 2361 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2362 // '__attribute__' has special handling. 2363 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2364 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2365 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2366 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2367 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2368 2369 // Generic macro has no special handling in this location. 2370 Tokens = annotate("A(X) @interface Foo"); 2371 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2372 // Note: Don't check token-type as a random token in this position is hard to 2373 // reason about. 2374 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2375 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2376 2377 // Add a custom AttributeMacro. Test that it has the same behavior. 2378 FormatStyle Style = getLLVMStyle(); 2379 Style.AttributeMacros.push_back("A"); 2380 2381 // An "AttributeMacro" gets annotated like '__attribute__'. 2382 Tokens = annotate("A(X) @interface Foo", Style); 2383 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2384 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2385 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2386 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2387 } 2388 2389 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2390 // '__attribute__' has special handling. 2391 auto Tokens = annotate("- (id)init __attribute__((X));"); 2392 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2393 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2394 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2395 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2396 2397 // Generic macro has no special handling in this location. 2398 Tokens = annotate("- (id)init A(X);"); 2399 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2400 // Note: Don't check token-type as a random token in this position is hard to 2401 // reason about. 2402 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2403 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2404 2405 // Add a custom AttributeMacro. Test that it has the same behavior. 2406 FormatStyle Style = getLLVMStyle(); 2407 Style.AttributeMacros.push_back("A"); 2408 2409 // An "AttributeMacro" gets annotated like '__attribute__'. 2410 Tokens = annotate("- (id)init A(X);", Style); 2411 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2412 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2413 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2414 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2415 } 2416 2417 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2418 // '__attribute__' has special handling. 2419 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2420 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2421 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2422 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2423 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2424 2425 // Generic macro has no special handling in this location. 2426 Tokens = annotate("@property(weak) id delegate A(X);"); 2427 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2428 // Note: Don't check token-type as a random token in this position is hard to 2429 // reason about. 2430 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2431 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2432 2433 // Add a custom AttributeMacro. Test that it has the same behavior. 2434 FormatStyle Style = getLLVMStyle(); 2435 Style.AttributeMacros.push_back("A"); 2436 2437 // An "AttributeMacro" gets annotated like '__attribute__'. 2438 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2439 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2440 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2441 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2442 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2443 } 2444 2445 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2446 auto Annotate = [this](StringRef Code) { 2447 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2448 }; 2449 // Test that unary operators get labeled as such and that operators like '++' 2450 // don't get split. 2451 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2452 tok::tilde, tok::amp, tok::pipe, 2453 tok::caret, tok::plusplus, tok::minusminus}; 2454 for (auto Kind : Unary) { 2455 auto Tokens = 2456 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2457 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2458 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2459 } 2460 // Operators formed by joining two operators like '^~'. For some of these 2461 // joined operators, we don't have a separate type, so we only test for their 2462 // precedence. 2463 std::pair<prec::Level, std::string> JoinedBinary[] = { 2464 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2465 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2466 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2467 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2468 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2469 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2470 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2471 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2472 {prec::Equality, "!="}, {prec::Equality, "==="}, 2473 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2474 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2475 {prec::ExclusiveOr, "^~"}, 2476 }; 2477 for (auto Operator : JoinedBinary) { 2478 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2479 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2480 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2481 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2482 } 2483 // '~^' and '^~' can be unary as well as binary operators. 2484 auto Tokens = Annotate("x = ~^x;"); 2485 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2486 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2487 Tokens = Annotate("x = ^~x;"); 2488 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2489 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2490 // The unary operators '~&' and '~|' can only be unary operators. The current 2491 // implementation treats each of them as separate unary '~' and '&' or '|' 2492 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2493 // there is a test that there is no space in between. And even if a new line 2494 // is inserted between the '~' and '|', the semantic meaning is the same as 2495 // the joined operator, so the CanBreakBefore property doesn't need to be 2496 // false for the second operator. 2497 Tokens = Annotate("x = ~&x;"); 2498 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2499 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2500 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2501 Tokens = Annotate("x = ~|x;"); 2502 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2503 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2504 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2505 // Test for block label colons. 2506 Tokens = Annotate("begin : x\n" 2507 "end : x"); 2508 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2509 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2510 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2511 // Test that the dimension colon is annotated correctly. 2512 Tokens = Annotate("var [1 : 0] x;"); 2513 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2514 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2515 Tokens = Annotate("extern function [1 : 0] x;"); 2516 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2517 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2518 Tokens = Annotate("module test\n" 2519 " (input wire [7 : 0] a[7 : 0]);\n" 2520 "endmodule"); 2521 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2522 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2523 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2524 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2525 // Test case labels and ternary operators. 2526 Tokens = Annotate("case (x)\n" 2527 " x:\n" 2528 " x;\n" 2529 "endcase"); 2530 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2531 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2532 Tokens = Annotate("case (x)\n" 2533 " x ? x : x:\n" 2534 " x;\n" 2535 "endcase"); 2536 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2537 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2538 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2539 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2540 // Non-blocking assignments. 2541 Tokens = Annotate("a <= b;"); 2542 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2543 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2544 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2545 Tokens = Annotate("if (a <= b) break;"); 2546 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2547 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2548 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2549 Tokens = Annotate("a <= b <= a;"); 2550 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2551 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2552 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2553 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2554 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2555 2556 // Port lists in module instantiation. 2557 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2558 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2559 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2560 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2561 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2562 "instance_2(port_2);"); 2563 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2564 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2565 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2566 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2567 2568 // Condition parentheses. 2569 Tokens = Annotate("assert (x);"); 2570 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2571 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2572 Tokens = Annotate("assert #0 (x);"); 2573 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2574 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2575 Tokens = Annotate("assert final (x);"); 2576 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2577 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2578 Tokens = Annotate("foreach (x[x]) continue;"); 2579 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2580 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2581 Tokens = Annotate("repeat (x[x]) continue;"); 2582 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2583 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2584 Tokens = Annotate("case (x) endcase;"); 2585 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2586 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2587 2588 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2589 // future, please adapt if those tokens get annotated. This test is only here 2590 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2591 Tokens = Annotate("always @(posedge x, posedge y);"); 2592 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2593 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2594 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2595 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2596 2597 // String literals in concatenation. 2598 Tokens = Annotate("x = {\"\"};"); 2599 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2600 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2601 Tokens = Annotate("x = {\"\", \"\"};"); 2602 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2603 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2604 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2605 Tokens = Annotate("x = '{{\"\"}};"); 2606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2607 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2608 // Cases where the string should not be annotated that type. Fix the 2609 // `TT_Unknown` if needed in the future. 2610 Tokens = Annotate("x = {\"\" == \"\"};"); 2611 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2612 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2613 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2614 Tokens = Annotate("x = {(\"\")};"); 2615 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2616 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2617 Tokens = Annotate("x = '{\"\"};"); 2618 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2619 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2620 2621 // Module headers. 2622 Tokens = Annotate("module x();\n" 2623 "endmodule"); 2624 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2625 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogMultiLineListLParen); 2626 Tokens = Annotate("function automatic `x x();\n" 2627 "endmodule"); 2628 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2629 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_VerilogMultiLineListLParen); 2630 Tokens = Annotate("function automatic x``x x();\n" 2631 "endmodule"); 2632 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2633 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2634 Tokens = Annotate("function automatic x::x x();\n" 2635 "endmodule"); 2636 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2637 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2638 } 2639 2640 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2641 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2642 ASSERT_TRUE(Style.isTableGen()); 2643 2644 TestLexer Lexer(Allocator, Buffers, Style); 2645 AdditionalKeywords Keywords(Lexer.IdentTable); 2646 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2647 2648 // Additional keywords representation test. 2649 auto Tokens = Annotate("def foo : Bar<1>;"); 2650 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2651 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2652 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2653 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2654 2655 // Code, the multiline string token. 2656 Tokens = Annotate("[{ code is multiline string }]"); 2657 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2658 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2659 EXPECT_FALSE(Tokens[0]->IsMultiline); 2660 // Case with multiple lines. 2661 Tokens = Annotate("[{ It can break\n" 2662 " across lines and the line breaks\n" 2663 " are retained in \n" 2664 " the string. }]"); 2665 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2666 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2667 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2668 EXPECT_TRUE(Tokens[0]->IsMultiline); 2669 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2670 2671 // Numeric literals. 2672 Tokens = Annotate("1234"); 2673 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2674 Tokens = Annotate("-1"); 2675 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2676 Tokens = Annotate("+1234"); 2677 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2678 Tokens = Annotate("0b0110"); 2679 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2680 Tokens = Annotate("0x1abC"); 2681 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2682 2683 // Identifier tokens. In TableGen, identifiers can begin with a number. 2684 // In ambiguous cases, the lexer tries to lex it as a number. 2685 // Even if the try fails, it does not fall back to identifier lexing and 2686 // regard as an error. 2687 // The ambiguity is not documented. The result of those tests are based on the 2688 // implementation of llvm::TGLexer::LexToken. 2689 // This is invalid syntax of number, but not an identifier. 2690 Tokens = Annotate("0x1234x"); 2691 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2692 Tokens = Annotate("identifier"); 2693 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2694 // Identifier beginning with a number. 2695 Tokens = Annotate("0x"); 2696 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2697 Tokens = Annotate("2dVector"); 2698 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2699 Tokens = Annotate("01234Vector"); 2700 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2701 2702 // Structured statements. 2703 Tokens = Annotate("class Foo {}"); 2704 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2705 Tokens = Annotate("def Def: Foo {}"); 2706 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2707 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2708 Tokens = Annotate("if cond then {} else {}"); 2709 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2710 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2711 Tokens = Annotate("defset Foo Def2 = {}"); 2712 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2713 2714 // Bang Operators. 2715 Tokens = Annotate("!foreach"); 2716 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2717 Tokens = Annotate("!if"); 2718 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2719 Tokens = Annotate("!cond"); 2720 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2721 2722 auto AnnotateValue = [this, &Style](StringRef Code) { 2723 // Values are annotated only in specific context. 2724 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2725 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2726 }; 2727 // Both of bang/cond operators. 2728 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2729 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2730 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2731 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2732 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2733 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2734 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2735 // DAGArg values with operator identifier 2736 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2737 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2738 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2739 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2740 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2741 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2742 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2743 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2744 // List literal 2745 Tokens = AnnotateValue("[1, 2, 3]"); 2746 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2747 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2748 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2749 // Suffixes of values 2750 Tokens = AnnotateValue("valid.field"); 2751 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2752 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2753 // Code 2754 Tokens = AnnotateValue("[{ code is multiline string }]"); 2755 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2756 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2757 2758 // The definition 2759 Tokens = annotate("def Def : Parent<Child> {}", Style); 2760 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2761 // We use inheritance colon and function brace. They are enough. 2762 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2763 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2764 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2765 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2766 2767 // DAGArg breaking options. They use different token types depending on what 2768 // is specified. 2769 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2770 2771 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2772 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2773 // elements to have line break. 2774 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2775 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2776 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2777 EXPECT_TOKEN(Tokens[1], tok::identifier, 2778 TT_TableGenDAGArgOperatorID); // ins 2779 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2780 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2781 2782 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2783 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2784 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2785 EXPECT_TOKEN(Tokens[1], tok::identifier, 2786 TT_TableGenDAGArgOperatorID); // other 2787 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2788 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2789 2790 // For non-identifier operators, breaks after the operator. 2791 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2792 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2793 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2794 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2795 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2796 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2797 2798 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2799 2800 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2801 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2802 // to have line break inside it. 2803 Tokens = AnnotateValue("(ins type1:$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:$src2)"); 2812 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2813 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2814 EXPECT_TOKEN(Tokens[1], tok::identifier, 2815 TT_TableGenDAGArgOperatorToBreak); // other 2816 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2817 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2818 2819 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2820 // specified operators. 2821 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2822 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2823 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2824 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2825 EXPECT_TOKEN(Tokens[1], tok::identifier, 2826 TT_TableGenDAGArgOperatorToBreak); // ins 2827 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2828 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2829 2830 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2831 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2832 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2833 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2834 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2835 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2836 2837 // If TableGenBreakingDAGArgOperators is enabled, it uses 2838 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2839 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2840 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2841 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2842 EXPECT_TOKEN(Tokens[1], tok::identifier, 2843 TT_TableGenDAGArgOperatorToBreak); // ins 2844 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2845 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2846 2847 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2848 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2849 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2850 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2851 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2852 } 2853 2854 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2855 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2856 2857 // The TT_Unknown is clearly not binding for the future, please adapt if those 2858 // tokens get annotated. 2859 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2860 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2861 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2862 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2863 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2864 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2865 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2866 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2867 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2868 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2869 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2870 2871 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2872 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2873 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2874 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2875 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2876 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2877 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2878 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2879 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2880 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2881 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2882 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2883 2884 Tokens = annotate("class Class {\n" 2885 " Class() : BaseClass() {\n" 2886 "#if 0\n" 2887 " // comment\n" 2888 "#endif\n" 2889 " }\n" 2890 " Class f();\n" 2891 "}"); 2892 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2893 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2894 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2895 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2896 } 2897 2898 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2899 auto Tokens = annotate("if (x) {}"); 2900 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2901 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2902 Tokens = annotate("if constexpr (x) {}"); 2903 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2904 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2905 Tokens = annotate("if CONSTEXPR (x) {}"); 2906 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2907 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2908 Tokens = annotate("if (x) {} else if (x) {}"); 2909 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2910 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2911 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2912 } 2913 2914 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2915 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2916 2917 auto Tokens = annotate("int? a;", Style); 2918 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2919 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2920 2921 Tokens = annotate("int? a = 1;", Style); 2922 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2923 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2924 2925 Tokens = annotate("int?)", Style); 2926 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2927 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2928 2929 Tokens = annotate("int?>", Style); 2930 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2931 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2932 2933 Tokens = annotate("cond? id : id2", Style); 2934 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2935 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2936 2937 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2938 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2939 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2940 } 2941 2942 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2943 auto Tokens = annotate("{ x: break; }"); 2944 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2945 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2946 2947 Tokens = annotate("{ case x: break; }"); 2948 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2949 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2950 2951 Tokens = annotate("{ x: { break; } }"); 2952 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2953 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2954 2955 Tokens = annotate("{ case x: { break; } }"); 2956 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2957 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2958 2959 Tokens = annotate("#define FOO label:"); 2960 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2961 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2962 2963 Tokens = annotate("#define FOO \\\n" 2964 "label: \\\n" 2965 " break;"); 2966 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2967 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2968 } 2969 2970 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2971 // The closing braces are not annotated. It doesn't seem to cause a problem. 2972 // So we only test for the opening braces. 2973 auto Tokens = annotate("{\n" 2974 " {\n" 2975 " { int a = 0; }\n" 2976 " }\n" 2977 " {}\n" 2978 "}"); 2979 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2980 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2981 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2982 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2983 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2984 } 2985 2986 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2987 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2988 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2989 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2990 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2991 2992 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2993 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2994 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2995 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2996 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2997 2998 Tokens = annotate("SomeStruct {\n" 2999 "#ifdef FOO\n" 3000 " .a = 1,\n" 3001 "#endif\n" 3002 " .b = 2\n" 3003 "};"); 3004 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3005 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3006 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 3007 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 3008 3009 Tokens = annotate("SomeStruct {\n" 3010 "#if defined FOO\n" 3011 " .a = 1,\n" 3012 "#endif\n" 3013 " .b = 2\n" 3014 "};"); 3015 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3016 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3017 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 3018 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 3019 3020 Tokens = annotate("Foo foo[] = {[0]{}};"); 3021 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3022 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 3023 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3024 } 3025 3026 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 3027 auto Annotate = [this](StringRef Code) { 3028 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 3029 }; 3030 3031 // Dictionary. 3032 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 3033 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3034 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 3035 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 3036 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 3037 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 3038 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 3039 // Change when we need to annotate these. 3040 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 3041 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 3042 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 3043 } 3044 3045 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 3046 auto Tokens = annotate("bool foo __attribute__((unused));"); 3047 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3048 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3049 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3050 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 3051 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 3052 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 3053 3054 Tokens = annotate("bool foo __declspec(dllimport);"); 3055 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3056 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3057 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3058 3059 Tokens = annotate("bool __attribute__((unused)) foo;"); 3060 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3061 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3062 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3063 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3064 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3065 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 3066 3067 Tokens = annotate("void __attribute__((x)) Foo();"); 3068 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3069 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3070 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3071 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3072 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3073 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 3074 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 3075 3076 FormatStyle Style = getLLVMStyle(); 3077 Style.AttributeMacros.push_back("FOO"); 3078 Tokens = annotate("bool foo FOO(unused);", Style); 3079 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3080 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 3081 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3082 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3083 } 3084 3085 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 3086 auto Tokens = annotate("while (true) {}"); 3087 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3088 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3089 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3090 3091 Tokens = annotate("for (;;) {}"); 3092 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3093 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 3094 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 3095 3096 Tokens = annotate("do {} while (true);"); 3097 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3098 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3099 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3100 3101 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3102 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3103 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3104 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3105 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3106 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3107 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3108 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3109 3110 Tokens = annotate("switch (foo) {}"); 3111 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3112 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3113 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3114 } 3115 3116 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3117 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3118 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3119 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3120 3121 Tokens = annotate("do ++i; while ( i > 5 );"); 3122 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3123 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3124 } 3125 3126 TEST_F(TokenAnnotatorTest, StartOfName) { 3127 auto Tokens = annotate("#pragma clang diagnostic push"); 3128 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3129 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3130 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3131 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3132 3133 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3134 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3135 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3136 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3137 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3138 3139 Tokens = annotate("#define FOO Foo foo"); 3140 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3141 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3142 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3143 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3144 3145 Tokens = annotate("@interface NSCoder (TestCoder)"); 3146 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3147 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3148 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3149 3150 auto Style = getLLVMStyle(); 3151 Style.StatementAttributeLikeMacros.push_back("emit"); 3152 Tokens = annotate("emit foo = 0;", Style); 3153 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3154 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3155 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3156 } 3157 3158 TEST_F(TokenAnnotatorTest, BraceKind) { 3159 auto Tokens = annotate("void f() {};"); 3160 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3161 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3162 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3163 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3164 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3165 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3166 3167 Tokens = annotate("class Foo<int> f() {}"); 3168 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3169 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3170 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3171 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3172 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3173 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3174 3175 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3176 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3177 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3178 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3179 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3180 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3181 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3182 3183 Tokens = annotate("void f() override {};"); 3184 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3185 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3186 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3187 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3188 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3189 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3190 3191 Tokens = annotate("void f() noexcept(false) {};"); 3192 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3193 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3194 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3195 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3196 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3197 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3198 3199 Tokens = annotate("auto f() -> void {};"); 3200 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3201 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3202 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3203 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3204 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3205 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3206 3207 Tokens = annotate("void f() { /**/ };"); 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("void f() { //\n" 3216 "};"); 3217 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3218 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3219 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3220 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3221 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3222 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3223 3224 Tokens = annotate("void f() {\n" 3225 " //\n" 3226 "};"); 3227 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3228 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3229 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3230 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3231 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3232 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3233 3234 Tokens = annotate("struct Foo {\n" 3235 " Foo() {};\n" 3236 " ~Foo() {};\n" 3237 "};"); 3238 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3239 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3240 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3241 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3242 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3243 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3244 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3245 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3246 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3247 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3248 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3249 3250 Tokens = annotate("{\n" 3251 " char *a[] = {\n" 3252 " /* abc */ \"abc\",\n" 3253 "#if FOO\n" 3254 " /* xyz */ \"xyz\",\n" 3255 "#endif\n" 3256 " /* last */ \"last\"};\n" 3257 "}"); 3258 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3259 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3260 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3261 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3262 3263 Tokens = 3264 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3265 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3266 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3267 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3268 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3269 3270 Tokens = annotate("struct {};"); 3271 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3272 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3273 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3274 3275 Tokens = annotate("struct : Base {};"); 3276 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3277 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3278 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3279 3280 Tokens = annotate("struct Foo {};"); 3281 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3282 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3283 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3284 3285 Tokens = annotate("struct ::Foo {};"); 3286 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3287 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3288 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3289 3290 Tokens = annotate("struct NS::Foo {};"); 3291 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3292 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3293 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3294 3295 Tokens = annotate("struct Foo<int> {};"); 3296 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3297 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3298 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3299 3300 Tokens = annotate("struct Foo<int>::Bar {};"); 3301 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3302 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3303 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3304 3305 Tokens = annotate("struct Foo<int> : Base {};"); 3306 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3307 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3308 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3309 3310 Tokens = annotate("struct Foo final {};"); 3311 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3312 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3313 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3314 3315 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3316 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3317 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3318 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3319 3320 Tokens = annotate("struct Foo x{};"); 3321 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3322 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3323 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3324 3325 Tokens = annotate("struct ::Foo x{};"); 3326 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3327 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3328 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3329 3330 Tokens = annotate("struct NS::Foo x{};"); 3331 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3332 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3333 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3334 3335 Tokens = annotate("struct Foo<int> x{};"); 3336 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3337 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3338 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3339 3340 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3341 "#else\n" 3342 "#endif\n" 3343 "class RenderingServer : Object {\n" 3344 "#ifndef DISABLE_DEPRECATED\n" 3345 " enum Features {\n" 3346 " FEATURE_SHADERS,\n" 3347 " FEATURE_MULTITHREADED,\n" 3348 " };\n" 3349 "#endif\n" 3350 "};"); 3351 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3352 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3353 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3354 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3355 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3356 3357 Tokens = annotate("{\n" 3358 "#define M(x) \\\n" 3359 " return {#x};\n" 3360 "}"); 3361 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3362 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3363 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3364 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3365 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3366 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3367 3368 Tokens = annotate("{\n" 3369 " {\n" 3370 "#define GEN_ID(_x) char *_x{#_x}\n" 3371 " GEN_ID(one);\n" 3372 " }\n" 3373 "}"); 3374 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 3375 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3376 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3377 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3378 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3379 #if 0 3380 // FIXME: 3381 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3382 EXPECT_BRACE_KIND(Tokens[14], BK_BracedInit); 3383 #endif 3384 EXPECT_BRACE_KIND(Tokens[20], BK_Block); 3385 EXPECT_BRACE_KIND(Tokens[21], BK_Block); 3386 3387 Tokens = annotate("a = class extends goog.a {};", 3388 getGoogleStyle(FormatStyle::LK_JavaScript)); 3389 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3390 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3391 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3392 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3393 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3394 3395 Tokens = annotate("a = class Foo extends goog.a {};", 3396 getGoogleStyle(FormatStyle::LK_JavaScript)); 3397 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3398 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_ClassLBrace); 3399 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3400 EXPECT_TOKEN(Tokens[9], tok::r_brace, TT_ClassRBrace); 3401 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3402 3403 Tokens = annotate("#define FOO(X) \\\n" 3404 " struct X##_tag_ {};"); 3405 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3406 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3407 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3408 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3409 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3410 3411 Tokens = annotate("#define MACRO \\\n" 3412 " struct hash<type> { \\\n" 3413 " void f() { return; } \\\n" 3414 " };"); 3415 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3416 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3417 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3418 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3419 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3420 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3421 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3422 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3423 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3424 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3425 3426 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3427 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3428 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3429 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3430 } 3431 3432 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3433 auto Tokens = annotate("auto foo() -> enum En {}"); 3434 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3435 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3436 } 3437 3438 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3439 auto Tokens = annotate("{\n" 3440 " {\n" 3441 " foo();\n" 3442 " }\n" 3443 "}"); 3444 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3445 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3446 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3447 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3448 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3449 3450 Tokens = annotate("void bar() {\n" 3451 " {\n" 3452 " foo();\n" 3453 " }\n" 3454 "}"); 3455 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3456 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3457 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3458 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3459 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3460 3461 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3462 getLLVMStyle(FormatStyle::LK_ObjC)); 3463 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3464 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3465 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3466 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3467 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3468 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3469 } 3470 3471 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3472 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3473 auto Tokens = annotate("i = switch (day) {\n" 3474 " case THURSDAY, SATURDAY -> 8;\n" 3475 " case WEDNESDAY -> 9;\n" 3476 " default -> 1;\n" 3477 "};", 3478 Style); 3479 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3480 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3481 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3482 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3483 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3484 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3485 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3486 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3487 } 3488 3489 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3490 auto Tokens = annotate("a = b and c;"); 3491 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3492 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3493 3494 Tokens = annotate("a = b and_eq c;"); 3495 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3496 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3497 3498 Tokens = annotate("a = b bitand c;"); 3499 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3500 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3501 3502 Tokens = annotate("a = b bitor c;"); 3503 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3504 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3505 3506 Tokens = annotate("a = b compl c;"); 3507 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3508 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3509 3510 Tokens = annotate("a = b not c;"); 3511 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3512 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3513 3514 Tokens = annotate("a = b not_eq c;"); 3515 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3516 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3517 3518 Tokens = annotate("a = b or c;"); 3519 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3520 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3521 3522 Tokens = annotate("a = b or_eq c;"); 3523 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3524 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3525 3526 Tokens = annotate("a = b xor c;"); 3527 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3528 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3529 3530 Tokens = annotate("a = b xor_eq c;"); 3531 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3532 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3533 3534 Tokens = annotate("xor = foo;"); 3535 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3536 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3537 3538 Tokens = annotate("int xor = foo;"); 3539 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3540 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3541 } 3542 3543 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3544 auto Tokens = 3545 annotate("Foo::Foo(int x, int y) try\n" 3546 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3547 "} catch (...) {\n" 3548 "}"); 3549 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3550 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3551 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3552 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3553 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3554 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3555 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3556 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3557 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3558 } 3559 3560 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3561 auto Style = getLLVMStyle(); 3562 Style.TypenameMacros.push_back("STRUCT"); 3563 3564 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3565 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3566 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3567 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3568 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3569 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3570 } 3571 3572 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3573 auto Style = getGNUStyle(); 3574 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3575 3576 auto Tokens = annotate("return 1 <=> 2;", Style); 3577 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3578 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3579 } 3580 3581 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3582 auto Style = getLLVMStyle(); 3583 Style.ColumnLimit = 20; 3584 3585 auto Tokens = annotate("class foo {\n" 3586 " auto bar()\n" 3587 " -> bool;\n" 3588 "};", 3589 Style); 3590 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3591 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3592 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3593 } 3594 3595 TEST_F(TokenAnnotatorTest, TemplateName) { 3596 constexpr StringRef Code{"return Foo < A || B > (C ^ D);"}; 3597 3598 auto Tokens = annotate(Code); 3599 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3600 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 3601 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 3602 3603 auto Style = getLLVMStyle(); 3604 Style.TemplateNames.push_back("Foo"); 3605 3606 Tokens = annotate(Code, Style); 3607 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_TemplateName); 3608 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3609 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3610 } 3611 3612 TEST_F(TokenAnnotatorTest, TemplateInstantiation) { 3613 auto Tokens = annotate("return FixedInt<N | M>();"); 3614 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3615 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3616 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3617 3618 Tokens = annotate("return std::conditional_t<T::value == U::value, T, U>{};"); 3619 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3620 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 3621 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 3622 3623 Tokens = 3624 annotate("auto x{std::conditional_t<T::value == U::value, T, U>{}};"); 3625 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 3626 EXPECT_TOKEN(Tokens[6], tok::less, TT_TemplateOpener); 3627 EXPECT_TOKEN(Tokens[18], tok::greater, TT_TemplateCloser); 3628 } 3629 3630 TEST_F(TokenAnnotatorTest, VariableTemplate) { 3631 auto Style = getLLVMStyle(); 3632 Style.VariableTemplates.push_back("a"); 3633 3634 auto Tokens = annotate("auto t3 = (a<int>) + b;", Style); 3635 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3636 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VariableTemplate); 3637 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 3638 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 3639 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); // Not TT_CastRParen 3640 EXPECT_TOKEN(Tokens[9], tok::plus, TT_BinaryOperator); 3641 } 3642 3643 TEST_F(TokenAnnotatorTest, SwitchInMacroArgument) { 3644 auto Tokens = annotate("FOOBAR(switch);\n" 3645 "void f() {}"); 3646 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3647 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_FunctionLBrace); 3648 } 3649 3650 TEST_F(TokenAnnotatorTest, AfterPPDirective) { 3651 auto Tokens = annotate("#error -- My error message"); 3652 3653 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3654 EXPECT_TOKEN(Tokens[2], tok::minusminus, TT_AfterPPDirective); 3655 } 3656 3657 } // namespace 3658 } // namespace format 3659 } // namespace clang 3660