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 Tokens = annotate("if (Foo *&foo{a})"); 312 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 313 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 314 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 315 316 FormatStyle Style = getLLVMStyle(); 317 Style.TypeNames.push_back("MYI"); 318 Tokens = annotate("if (MYI *p{nullptr})", Style); 319 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 320 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 321 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 322 323 Style.TypeNames.push_back("Class"); 324 Tokens = annotate("if (Class *obj {getObj()})", Style); 325 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 326 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 327 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 328 329 Tokens = annotate("class Foo {\n" 330 " void operator<() {}\n" 331 " Foo &f;\n" 332 "};"); 333 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 334 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 335 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 336 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 337 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 338 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 339 340 Tokens = annotate("if (new && num) {\n" 341 " new = 1;\n" 342 "}\n" 343 "if (!delete && num) {\n" 344 " delete = 1;\n" 345 "}"); 346 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 347 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 348 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 349 350 Tokens = annotate("#define FOO \\\n" 351 " void foo() { f(a * b); }"); 352 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 353 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 354 355 Tokens = annotate("for (int i; Foo *&foo : foos)"); 356 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 357 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 358 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 359 EXPECT_TOKEN(Tokens[9], tok::colon, TT_RangeBasedForLoopColon); 360 361 Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };"); 362 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 363 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 364 365 Tokens = annotate("namespace {\n" 366 "#define FOO(x) void foo(a##x *b);\n" 367 "}"); 368 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 369 EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference); 370 371 Tokens = annotate("Thingy kConfig = {\n" 372 " 1,\n" 373 " (uint16_t)(kScale * height_pixels),\n" 374 "};"); 375 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 376 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_CastRParen); 377 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 378 } 379 380 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 381 auto Tokens = annotate("x - 0"); 382 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 383 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 384 Tokens = annotate("0 + 0"); 385 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 386 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 387 Tokens = annotate("x + +0"); 388 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 389 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 390 Tokens = annotate("x ? -0 : +0"); 391 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 392 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 393 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 394 Tokens = annotate("(-0)"); 395 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 397 Tokens = annotate("0, -0"); 398 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 399 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 400 Tokens = annotate("for (; -1;) {\n}"); 401 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 402 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 403 Tokens = annotate("x = -1;"); 404 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 405 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 406 Tokens = annotate("x[-1]"); 407 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 408 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 409 Tokens = annotate("x = {-1};"); 410 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 411 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 412 Tokens = annotate("case -x:"); 413 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 414 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 415 Tokens = annotate("co_await -x;"); 416 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 417 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 418 Tokens = annotate("co_return -x;"); 419 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 420 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 421 Tokens = annotate("co_yield -x;"); 422 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 423 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 424 Tokens = annotate("delete -x;"); 425 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 426 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 427 Tokens = annotate("return -x;"); 428 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 429 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 430 Tokens = annotate("throw -x;"); 431 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 432 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 433 Tokens = annotate("sizeof -x"); 434 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 435 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 436 Tokens = annotate("co_await +x;"); 437 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 438 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 439 Tokens = annotate("co_return +x;"); 440 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 441 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 442 Tokens = annotate("co_yield +x;"); 443 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 444 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 445 Tokens = annotate("delete +x;"); 446 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 447 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 448 Tokens = annotate("return +x;"); 449 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 450 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 451 Tokens = annotate("throw +x;"); 452 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 453 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 454 Tokens = annotate("sizeof +x"); 455 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 456 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 457 Tokens = annotate("(int)-x"); 458 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 459 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 460 Tokens = annotate("(-x)"); 461 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 462 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 463 Tokens = annotate("!+x"); 464 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 465 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 466 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 467 } 468 469 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 470 auto Tokens = annotate("class C {};"); 471 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 472 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 473 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 474 475 Tokens = annotate("const class C {} c;"); 476 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 477 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 478 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 479 480 Tokens = annotate("const class {} c;"); 481 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 482 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 483 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 484 485 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 486 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 487 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 488 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 489 } 490 491 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 492 auto Tokens = annotate("struct S {};"); 493 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 494 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 495 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 496 497 Tokens = annotate("struct macro(a) S {};"); 498 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 499 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 500 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 501 502 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 503 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 504 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 505 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 506 507 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 508 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 509 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 510 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 511 512 Tokens = annotate("struct macro(a) S {\n" 513 " void f(T &t);\n" 514 "};"); 515 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 516 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 517 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 518 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 519 520 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 521 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 522 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 523 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 524 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 525 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 526 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 527 528 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 529 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 530 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 531 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 532 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 533 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 534 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 535 536 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 537 " void f(T const (&a)[n]);\n" 538 "};"); 539 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 540 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 541 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 542 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 543 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 544 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 545 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 546 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 547 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 548 549 Tokens = annotate("template <typename T, enum E e> struct S {};"); 550 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 551 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 552 553 auto Style = getLLVMStyle(); 554 Style.AttributeMacros.push_back("EXPORT"); 555 Tokens = annotate("struct EXPORT StructName {};", Style); 556 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 557 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 558 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 559 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 560 } 561 562 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 563 auto Tokens = annotate("union U {};"); 564 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 565 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 566 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 567 568 Tokens = annotate("union U { void f() { return; } };"); 569 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 570 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 571 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 572 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 573 } 574 575 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 576 auto Tokens = annotate("enum E {};"); 577 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 578 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 579 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 580 } 581 582 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 583 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 584 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 585 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 586 587 Tokens = annotate("template <typename T> void F(T) && = delete;"); 588 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 589 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 590 } 591 592 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 593 auto Tokens = 594 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 595 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 596 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 597 } 598 599 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 600 auto Tokens = 601 annotate("template <typename T> " 602 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 603 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 604 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 605 } 606 607 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 608 auto Tokens = 609 annotate("#define FOO(typeName) \\\n" 610 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 611 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 612 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 613 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 614 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 615 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 616 } 617 618 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 619 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 620 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 621 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 622 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 623 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 624 } 625 626 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 627 // IsExpression = false 628 auto Tokens = annotate("foo<true ? 1 : 2>();"); 629 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 630 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 631 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 632 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 633 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 634 635 // IsExpression = true 636 637 Tokens = annotate("return foo<true ? 1 : 2>();"); 638 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 639 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 640 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 641 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 642 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 643 644 Tokens = annotate("return foo<true ? 1 : 2>{};"); 645 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 646 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 647 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 648 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 649 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 650 } 651 652 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 653 auto Tokens = annotate("return a < b && c > d;"); 654 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 655 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 656 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 657 658 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 659 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 660 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 661 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 662 663 Tokens = annotate("return A < B ? true : A > B;"); 664 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 665 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 666 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 667 668 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 669 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 670 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 671 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 672 673 Tokens = annotate("return checklower ? a < b : a > b;"); 674 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 675 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 676 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 677 678 Tokens = annotate("return A < B ^ A > B;"); 679 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 680 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 681 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 682 683 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 684 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 685 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 686 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 687 } 688 689 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 690 auto Tokens = annotate("template <template <typename...> typename X,\n" 691 " template <typename...> class Y,\n" 692 " typename... T>\n" 693 "class A {};"); 694 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 695 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 696 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 697 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 698 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 699 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 700 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 701 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 702 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 703 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 704 } 705 706 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 707 FormatStyle Style = getLLVMStyle(); 708 Style.WhitespaceSensitiveMacros.push_back("FOO"); 709 710 auto Tokens = annotate("FOO(1+2 )", Style); 711 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 712 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 713 714 Tokens = annotate("FOO(a:b:c)", Style); 715 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 716 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 717 } 718 719 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 720 auto Tokens = annotate("delete (void *)p;"); 721 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 722 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 723 724 Tokens = annotate("delete[] (void *)p;"); 725 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 726 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 727 728 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 729 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 730 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 731 732 Tokens = annotate("delete[/*comment*/] (void *)p;"); 733 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 734 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 735 736 Tokens = annotate("delete/*comment*/[] (void *)p;"); 737 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 738 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 739 } 740 741 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 742 auto Tokens = annotate("(void)p;"); 743 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 744 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 745 746 Tokens = annotate("(uint32_t)&&label;"); 747 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 748 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 749 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 750 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 751 752 Tokens = annotate("auto x = (Foo)p;"); 753 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 754 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 755 756 Tokens = annotate("(std::vector<int>)p;"); 757 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 758 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 759 760 Tokens = annotate("return (Foo)p;"); 761 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 762 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 763 764 Tokens = annotate("throw (Foo)p;"); 765 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 766 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 767 768 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 769 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 770 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 771 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 772 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 773 774 Tokens = annotate("#define foo(i) ((i) - bar)"); 775 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 776 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 777 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 778 779 Tokens = annotate("return (Foo) & 10;"); 780 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 781 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 782 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 783 784 Tokens = annotate("return (struct foo){};"); 785 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 786 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 787 788 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 789 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 790 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 791 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 792 793 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 794 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 795 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 796 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 797 798 Tokens = annotate("func((void (*)())&a);"); 799 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 800 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 801 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 802 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 803 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 804 805 Tokens = annotate("int result = ((int)a) - b;"); 806 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 807 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 808 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 809 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 810 811 Tokens = annotate("return (double)(foo(30)) - 15;"); 812 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 813 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 814 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 815 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 816 817 Tokens = annotate("return (::Type)(1 + 2);"); 818 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 819 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 820 821 Tokens = annotate("return (Namespace::Class)(1 + 2);"); 822 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 823 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 824 825 Tokens = annotate("return (Foo (*)(void *, Bar, ...))&foo;"); 826 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 827 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionTypeLParen); 828 EXPECT_TOKEN(Tokens[14], tok::r_paren, TT_CastRParen); 829 EXPECT_TOKEN(Tokens[15], tok::amp, TT_UnaryOperator); 830 831 auto Style = getLLVMStyle(); 832 Style.TypeNames.push_back("Foo"); 833 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 834 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 835 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 836 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 837 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 838 } 839 840 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 841 auto Tokens = annotate("void f() throw(int);"); 842 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 843 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 844 } 845 846 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 847 auto Tokens = annotate("void f() &;"); 848 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 849 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 850 851 Tokens = annotate("void operator=(T) &&;"); 852 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 853 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 854 855 Tokens = annotate("template <typename T> void f() &;"); 856 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 857 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 858 859 Tokens = annotate("template <typename T> void operator=(T) &;"); 860 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 861 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 862 } 863 864 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 865 auto 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::plus, 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::equal, 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::plusequal, TT_OverloadedOperator); 879 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 880 Tokens = annotate("x.operator,()"); 881 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 882 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 883 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 884 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 885 Tokens = annotate("x.operator()()"); 886 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 887 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 888 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 889 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 890 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 891 Tokens = annotate("x.operator[]()"); 892 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 893 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 894 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 895 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 896 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 897 Tokens = annotate("x.operator\"\"_a()"); 898 ASSERT_EQ(Tokens.size(), 7u) << 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[4], tok::l_paren, TT_OverloadedOperatorLParen); 902 Tokens = annotate("x.operator\"\" _a()"); 903 ASSERT_EQ(Tokens.size(), 8u) << 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[5], tok::l_paren, TT_OverloadedOperatorLParen); 907 Tokens = annotate("x.operator\"\"if()"); 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(), 7u) << 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[4], tok::l_paren, TT_OverloadedOperatorLParen); 917 Tokens = annotate("x.operator\"\" s()"); 918 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 919 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 920 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 921 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 922 923 Tokens = annotate("int operator+(int);"); 924 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 925 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 926 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 927 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 928 Tokens = annotate("auto operator=(T&) {}"); 929 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 930 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 931 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 932 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 933 Tokens = annotate("auto operator()() {}"); 934 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 935 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 936 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 937 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 938 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 939 940 Tokens = annotate("class Foo {\n" 941 " int operator+(a* b);\n" 942 "}"); 943 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 944 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 945 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 946 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 947 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 948 949 Tokens = annotate("class Foo {\n" 950 " int c = operator+(a * b);\n" 951 "}"); 952 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 953 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 954 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 955 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 956 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 957 958 Tokens = annotate("void foo() {\n" 959 " operator+(a * b);\n" 960 "}"); 961 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 962 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 963 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 964 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 965 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 966 967 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 968 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 969 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 970 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 971 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 972 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 973 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 974 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 975 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 976 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 977 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 978 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 979 980 Tokens = annotate("class Foo {\n" 981 " void foo() {\n" 982 " operator+(a * b);\n" 983 " }\n" 984 "}"); 985 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 986 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 987 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 988 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 989 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 990 991 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 992 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 993 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 994 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 995 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 996 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 997 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 998 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 999 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 1000 1001 Tokens = annotate("decltype(auto) operator()(T &x);"); 1002 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1003 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 1004 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 1005 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 1006 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 1007 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 1008 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 1009 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 1010 } 1011 1012 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 1013 struct { 1014 const char *Text; 1015 tok::TokenKind Kind; 1016 } Operators[] = {{"+", tok::plus}, 1017 {"-", tok::minus}, 1018 // FIXME: 1019 // {"*", tok::star}, 1020 {"/", tok::slash}, 1021 {"%", tok::percent}, 1022 {"^", tok::caret}, 1023 // FIXME: 1024 // {"&", tok::amp}, 1025 {"|", tok::pipe}, 1026 {"~", tok::tilde}, 1027 {"!", tok::exclaim}, 1028 {"=", tok::equal}, 1029 // FIXME: 1030 // {"<", tok::less}, 1031 {">", tok::greater}, 1032 {"+=", tok::plusequal}, 1033 {"-=", tok::minusequal}, 1034 {"*=", tok::starequal}, 1035 {"/=", tok::slashequal}, 1036 {"%=", tok::percentequal}, 1037 {"^=", tok::caretequal}, 1038 {"&=", tok::ampequal}, 1039 {"|=", tok::pipeequal}, 1040 {"<<", tok::lessless}, 1041 {">>", tok::greatergreater}, 1042 {">>=", tok::greatergreaterequal}, 1043 {"<<=", tok::lesslessequal}, 1044 {"==", tok::equalequal}, 1045 {"!=", tok::exclaimequal}, 1046 {"<=", tok::lessequal}, 1047 {">=", tok::greaterequal}, 1048 {"<=>", tok::spaceship}, 1049 {"&&", tok::ampamp}, 1050 {"||", tok::pipepipe}, 1051 {"++", tok::plusplus}, 1052 {"--", tok::minusminus}, 1053 {",", tok::comma}, 1054 {"->*", tok::arrowstar}, 1055 {"->", tok::arrow}}; 1056 1057 for (const auto &Operator : Operators) { 1058 std::string Input("C<&operator"); 1059 Input += Operator.Text; 1060 Input += " > a;"; 1061 auto Tokens = annotate(std::string(Input)); 1062 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1063 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1064 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1065 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1066 } 1067 1068 auto Tokens = annotate("C<&operator< <X>> lt;"); 1069 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1070 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1071 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1072 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1073 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1074 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1075 } 1076 1077 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1078 auto Tokens = annotate("template <typename T>\n" 1079 "concept C = (Foo && Bar) && (Bar && Baz);"); 1080 1081 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1082 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1083 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1084 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1085 1086 Tokens = annotate("template <typename T>\n" 1087 "concept C = Foo && !Bar;"); 1088 1089 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1090 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1091 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1092 1093 Tokens = annotate("template <typename T>\n" 1094 "concept C = requires(T t) {\n" 1095 " { t.foo() };\n" 1096 "} && Bar<T> && Baz<T>;"); 1097 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1098 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1099 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1100 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1101 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1102 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1103 1104 Tokens = annotate("template<typename T>\n" 1105 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1106 "struct Foo;"); 1107 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1108 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1109 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1110 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1111 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1112 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1113 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1114 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1115 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1116 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1117 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1118 1119 Tokens = 1120 annotate("template<typename T>\n" 1121 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1122 "struct Foo;"); 1123 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1124 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1125 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1126 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1127 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1128 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1129 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1130 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1131 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1132 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1133 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1134 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1135 1136 Tokens = annotate("template <typename T>\n" 1137 "void foo(T) noexcept requires Bar<T>;"); 1138 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1139 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1140 1141 Tokens = annotate("template <typename T>\n" 1142 "requires Bar<T> || Baz<T>\n" 1143 "auto foo(T) -> int;"); 1144 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1145 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1146 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1147 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1148 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1149 1150 Tokens = annotate("template <typename T>\n" 1151 "requires Bar<T>\n" 1152 "bool foo(T) { return false; }"); 1153 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1154 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1155 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1156 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1157 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1158 1159 Tokens = annotate("template <typename T>\n" 1160 "requires Bar<T>\n" 1161 "decltype(auto) foo(T) { return false; }"); 1162 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1163 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1164 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1165 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1166 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1167 1168 Tokens = annotate("template <typename T>\n" 1169 "struct S {\n" 1170 " void foo() const requires Bar<T>;\n" 1171 " void bar() const & requires Baz<T>;\n" 1172 " void bar() && requires Baz2<T>;\n" 1173 " void baz() const & noexcept requires Baz<T>;\n" 1174 " void baz() && noexcept requires Baz2<T>;\n" 1175 "};\n" 1176 "\n" 1177 "void S::bar() const & requires Baz<T> { }"); 1178 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1179 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1180 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1181 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1182 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1183 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1184 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1185 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1186 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1187 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1188 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1189 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1190 1191 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1192 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1193 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1194 1195 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1196 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1197 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1198 1199 Tokens = 1200 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1201 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1202 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1203 1204 Tokens = annotate("void Class::member() && requires(typename " 1205 "Namespace::Outer<T>::Inner::Constant) {}"); 1206 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1207 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1208 1209 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1210 " template<class T>\n" 1211 " requires requires { number_zero_v<T>; }\n" 1212 " [[nodiscard]] constexpr operator T() const { " 1213 "return number_zero_v<T>; }\n" 1214 "};"); 1215 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1216 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1217 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1218 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1219 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1220 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1221 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1222 1223 Tokens = 1224 annotate("template <class A, class B> concept C =" 1225 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1226 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1227 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1228 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1229 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1230 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1231 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1232 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1233 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1234 1235 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1236 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1237 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1238 1239 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1240 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1241 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1242 1243 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1244 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1245 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1246 1247 Tokens = 1248 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1249 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1250 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1251 1252 Tokens = 1253 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1254 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1255 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1256 1257 Tokens = 1258 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1259 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1260 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1261 1262 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1263 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1264 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1265 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1266 1267 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1268 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1269 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1270 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1271 1272 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1273 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1274 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1275 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1276 1277 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1278 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1279 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1280 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1281 1282 Tokens = annotate("void f() & requires(true) {}"); 1283 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1284 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1285 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1286 1287 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1288 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1289 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1290 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1291 1292 Tokens = annotate("template <typename T>\n" 1293 "concept C = (!Foo<T>) && Bar;"); 1294 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1295 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1296 1297 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1298 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1299 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1300 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1301 1302 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1303 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1304 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1305 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1306 1307 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1308 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1309 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1310 1311 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1312 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1313 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1314 1315 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1316 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1317 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1318 } 1319 1320 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1321 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1322 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1323 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1324 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1325 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1326 1327 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1328 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1329 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1330 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1331 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1332 1333 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1334 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1335 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1336 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1337 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1338 1339 Tokens = annotate("foo(requires(const T t) {});"); 1340 ASSERT_EQ(Tokens.size(), 13u) << 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[8], tok::l_brace, TT_RequiresExpressionLBrace); 1344 1345 Tokens = annotate("foo(requires(const int t) {});"); 1346 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1347 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1348 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1349 EXPECT_TOKEN(Tokens[8], 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(int const* volatile t) {});"); 1358 ASSERT_EQ(Tokens.size(), 15u) << 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[6], tok::star, TT_PointerOrReference); 1362 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1363 1364 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1365 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1366 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1367 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1368 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1369 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1370 1371 Tokens = annotate("foo(requires(T& t) {});"); 1372 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1373 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1374 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1375 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1376 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1377 1378 Tokens = annotate("foo(requires(T&& t) {});"); 1379 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1380 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1381 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1382 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1383 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1384 1385 Tokens = annotate("bool foo = requires(T& t) {};"); 1386 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1387 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1388 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1389 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1390 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1391 1392 Tokens = annotate("bool foo = requires(T&& t) {};"); 1393 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1394 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1395 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1396 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1397 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1398 1399 Tokens = 1400 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1401 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1402 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1403 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1404 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1405 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1406 1407 Tokens = annotate("template <typename T>\n" 1408 "concept C = requires(T T) {\n" 1409 " requires Bar<T> && Foo<T>;\n" 1410 "};"); 1411 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1412 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1413 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1414 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1415 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1416 TT_RequiresClauseInARequiresExpression); 1417 1418 Tokens = annotate("template <typename T>\n" 1419 "concept C = requires(T T) {\n" 1420 " { t.func() } -> std::same_as<int>;" 1421 " requires Bar<T> && Foo<T>;\n" 1422 "};"); 1423 ASSERT_EQ(Tokens.size(), 43u) << 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[29], tok::kw_requires, 1428 TT_RequiresClauseInARequiresExpression); 1429 1430 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1431 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1432 "requires true; };"); 1433 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1434 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1435 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1436 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1437 1438 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1439 " { c.foo(); }\n" 1440 "};"); 1441 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1442 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1443 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1444 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1445 } 1446 1447 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1448 // Everything after #pragma region should be ImplicitStringLiteral 1449 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1450 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1451 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1452 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1453 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1454 1455 // Make sure it's annotated correctly inside a function as well 1456 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1457 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1458 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1459 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1460 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1461 } 1462 1463 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1464 const char *BaseCode = nullptr; 1465 const char *ConstrainedCode = nullptr; 1466 auto BaseTokenCount = 0u; 1467 auto RequiresTokenCount = 0u; 1468 auto PrefixTokenCount = 0u; 1469 1470 auto TestRequires = [&](int Line) { 1471 const auto BaseTokens = annotate(BaseCode); 1472 const auto ConstrainedTokens = annotate(ConstrainedCode); 1473 1474 #define LINE " (Line " << Line << ')' 1475 1476 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1477 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1478 << LINE; 1479 1480 for (auto I = 0u; I < BaseTokenCount; ++I) { 1481 EXPECT_EQ( 1482 *BaseTokens[I], 1483 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1484 << I << LINE; 1485 } 1486 1487 #undef LINE 1488 }; 1489 1490 BaseCode = "template<typename T>\n" 1491 "T Pi = 3.14;"; 1492 ConstrainedCode = "template<typename T>\n" 1493 " requires Foo<T>\n" 1494 "T Pi = 3.14;"; 1495 BaseTokenCount = 11; 1496 RequiresTokenCount = 5; 1497 PrefixTokenCount = 5; 1498 TestRequires(__LINE__); 1499 1500 BaseCode = "template<typename T>\n" 1501 "struct Bar;"; 1502 ConstrainedCode = "template<typename T>\n" 1503 " requires Foo<T>\n" 1504 "struct Bar;"; 1505 BaseTokenCount = 9; 1506 TestRequires(__LINE__); 1507 1508 BaseCode = "template<typename T>\n" 1509 "struct Bar {\n" 1510 " T foo();\n" 1511 " T bar();\n" 1512 "};"; 1513 ConstrainedCode = "template<typename T>\n" 1514 " requires Foo<T>\n" 1515 "struct Bar {\n" 1516 " T foo();\n" 1517 " T bar();\n" 1518 "};"; 1519 BaseTokenCount = 21; 1520 TestRequires(__LINE__); 1521 1522 BaseCode = "template<typename T>\n" 1523 "Bar(T) -> Bar<T>;"; 1524 ConstrainedCode = "template<typename T>\n" 1525 " requires Foo<T>\n" 1526 "Bar(T) -> Bar<T>;"; 1527 BaseTokenCount = 16; 1528 TestRequires(__LINE__); 1529 1530 BaseCode = "template<typename T>\n" 1531 "T foo();"; 1532 ConstrainedCode = "template<typename T>\n" 1533 " requires Foo<T>\n" 1534 "T foo();"; 1535 BaseTokenCount = 11; 1536 TestRequires(__LINE__); 1537 1538 BaseCode = "template<typename T>\n" 1539 "T foo() {\n" 1540 " auto bar = baz();\n" 1541 " return bar + T{};\n" 1542 "}"; 1543 ConstrainedCode = "template<typename T>\n" 1544 " requires Foo<T>\n" 1545 "T foo() {\n" 1546 " auto bar = baz();\n" 1547 " return bar + T{};\n" 1548 "}"; 1549 BaseTokenCount = 26; 1550 TestRequires(__LINE__); 1551 1552 BaseCode = "template<typename T>\n" 1553 "T foo();"; 1554 ConstrainedCode = "template<typename T>\n" 1555 "T foo() requires Foo<T>;"; 1556 BaseTokenCount = 11; 1557 PrefixTokenCount = 9; 1558 TestRequires(__LINE__); 1559 1560 BaseCode = "template<typename T>\n" 1561 "T foo() {\n" 1562 " auto bar = baz();\n" 1563 " return bar + T{};\n" 1564 "}"; 1565 ConstrainedCode = "template<typename T>\n" 1566 "T foo() requires Foo<T> {\n" 1567 " auto bar = baz();\n" 1568 " return bar + T{};\n" 1569 "}"; 1570 BaseTokenCount = 26; 1571 TestRequires(__LINE__); 1572 1573 BaseCode = "template<typename T>\n" 1574 "T foo();"; 1575 ConstrainedCode = "template<typename T>\n" 1576 " requires(Foo<T>)\n" 1577 "T foo();"; 1578 BaseTokenCount = 11; 1579 RequiresTokenCount = 7; 1580 PrefixTokenCount = 5; 1581 TestRequires(__LINE__); 1582 1583 BaseCode = "template<typename T>\n" 1584 "Bar(T) -> Bar<typename T::I>;"; 1585 ConstrainedCode = "template<typename T>\n" 1586 " requires requires(T &&t) {\n" 1587 " typename T::I;\n" 1588 " }\n" 1589 "Bar(T) -> Bar<typename T::I>;"; 1590 BaseTokenCount = 19; 1591 RequiresTokenCount = 14; 1592 PrefixTokenCount = 5; 1593 TestRequires(__LINE__); 1594 1595 BaseCode = "struct [[nodiscard]] zero_t {\n" 1596 " template<class T>\n" 1597 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1598 "};"; 1599 ConstrainedCode = 1600 "struct [[nodiscard]] zero_t {\n" 1601 " template<class T>\n" 1602 " requires requires { v<T>; }\n" 1603 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1604 "};"; 1605 BaseTokenCount = 35; 1606 RequiresTokenCount = 9; 1607 PrefixTokenCount = 13; 1608 TestRequires(__LINE__); 1609 1610 BaseCode = "constexpr Foo(Foo const &other)\n" 1611 " : value{other.value} {\n" 1612 " do_magic();\n" 1613 " do_more_magic();\n" 1614 "}"; 1615 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1616 " requires std::is_copy_constructible<T>\n" 1617 " : value{other.value} {\n" 1618 " do_magic();\n" 1619 " do_more_magic();\n" 1620 "}"; 1621 BaseTokenCount = 26; 1622 RequiresTokenCount = 7; 1623 PrefixTokenCount = 8; 1624 TestRequires(__LINE__); 1625 1626 BaseCode = "constexpr Foo(Foo const &other)\n" 1627 " : value{other.value} {\n" 1628 " do_magic();\n" 1629 " do_more_magic();\n" 1630 "}"; 1631 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1632 " requires (std::is_copy_constructible<T>)\n" 1633 " : value{other.value} {\n" 1634 " do_magic();\n" 1635 " do_more_magic();\n" 1636 "}"; 1637 RequiresTokenCount = 9; 1638 TestRequires(__LINE__); 1639 1640 BaseCode = "template<typename T>\n" 1641 "ANNOTATE(\"S\"\n" 1642 " \"S\")\n" 1643 "void foo();"; 1644 ConstrainedCode = "template<typename T>\n" 1645 " requires(true)\n" 1646 "ANNOTATE(\"S\"\n" 1647 " \"S\")\n" 1648 "void foo();"; 1649 BaseTokenCount = 16; 1650 RequiresTokenCount = 4; 1651 PrefixTokenCount = 5; 1652 TestRequires(__LINE__); 1653 } 1654 1655 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1656 auto Tokens = annotate("__asm{\n" 1657 "\"a\":\n" 1658 ": x\n" 1659 ":};"); 1660 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1661 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1662 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1663 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1664 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1665 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1666 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1667 1668 Tokens = annotate("__asm(\n" 1669 "\"a\":\n" 1670 ": x\n" 1671 ":);"); 1672 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1673 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1674 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1675 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1676 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1677 1678 Tokens = annotate("asm volatile (\n" 1679 "\"a_label:\"\n" 1680 ":\n" 1681 ": x\n" 1682 ":);"); 1683 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1684 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1685 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1686 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1687 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1688 1689 Tokens = annotate("__asm__(\n" 1690 "\"a_label:\"\n" 1691 ": x\n" 1692 ":\n" 1693 ": y);"); 1694 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1695 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1696 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1697 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1698 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1699 1700 Tokens = annotate("__asm volatile (\n" 1701 "\"a_label:\"\n" 1702 "\"a b c(%%x)\"\n" 1703 ":\n" 1704 ": x\n" 1705 ":);"); 1706 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1707 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1708 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1709 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1710 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1711 1712 Tokens = annotate("asm(\n" 1713 "\"insn\"\n" 1714 ": \"=r\" (var1), \"=&r\" (value)\n" 1715 ":\n" 1716 ": \"memory\");"); 1717 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1718 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1719 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1720 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1721 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1722 1723 Tokens = annotate("__asm__ volatile (\n" 1724 "\"ldr r1, [r0, %%[sym]]\"\n" 1725 ":\n" 1726 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1727 ");"); 1728 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1729 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1730 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1731 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1732 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1733 } 1734 1735 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1736 auto Tokens = annotate("int (^)() = ^ ()\n" 1737 " external_source_symbol() { //\n" 1738 " return 1;\n" 1739 "};"); 1740 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1741 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1742 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1743 1744 Tokens = annotate("int *p = ^int*(){ //\n" 1745 " return nullptr;\n" 1746 "}();"); 1747 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1748 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1749 1750 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1751 " return a;\n" 1752 "};"); 1753 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1754 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1755 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1756 } 1757 1758 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1759 auto Tokens = annotate("void f() {\n" 1760 " //\n" 1761 " BOOL a = [b.c n] > 1;\n" 1762 "}"); 1763 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1764 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1765 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1766 } 1767 1768 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1769 auto Tokens = annotate("[]() constexpr {}"); 1770 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1771 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1772 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1773 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1774 1775 Tokens = annotate("[]() consteval {}"); 1776 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1777 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1778 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1779 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1780 1781 Tokens = annotate("[]() mutable {}"); 1782 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1783 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1784 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1785 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1786 1787 Tokens = annotate("[]() static {}"); 1788 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1789 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1790 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1791 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1792 1793 Tokens = annotate("[]() -> auto {}"); 1794 ASSERT_EQ(Tokens.size(), 9u) << 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[4], tok::arrow, TT_LambdaArrow); 1798 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1799 1800 Tokens = annotate("[]() -> auto & {}"); 1801 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1802 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1803 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1804 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1805 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1806 1807 Tokens = annotate("[]() -> auto * {}"); 1808 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1809 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1810 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1811 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1812 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1813 1814 Tokens = annotate("[] {}"); 1815 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1816 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1817 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1818 1819 Tokens = annotate("[] noexcept {}"); 1820 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1821 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1822 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1823 1824 Tokens = annotate("[] -> auto {}"); 1825 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1826 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1827 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1828 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1829 1830 Tokens = annotate("[] -> struct S { return {}; }"); 1831 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1832 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1833 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1834 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1835 1836 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1837 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1838 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1839 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1840 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1841 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1842 1843 Tokens = annotate("[] <typename T> () {}"); 1844 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1845 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1846 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1847 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1848 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1849 1850 Tokens = annotate("[] <typename T> {}"); 1851 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1852 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1853 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1854 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1855 1856 Tokens = annotate("[] <typename... T> () {}"); 1857 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1858 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1859 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1860 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1861 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1862 1863 Tokens = annotate("[] <typename... T> {}"); 1864 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1865 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1866 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1867 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1868 1869 Tokens = annotate("[] <int... T> () {}"); 1870 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1871 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1872 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1873 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1874 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1875 1876 Tokens = annotate("[] <int... T> {}"); 1877 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1878 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1879 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1880 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1881 1882 Tokens = annotate("[] <Foo... T> () {}"); 1883 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1884 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1885 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1886 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1887 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1888 1889 Tokens = annotate("[] <Foo... T> {}"); 1890 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1891 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1892 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1893 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1894 1895 // Lambdas with a requires-clause 1896 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1897 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1898 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1899 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1900 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1901 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1902 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1903 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1904 1905 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1906 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1907 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1908 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1909 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1910 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1911 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1912 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1913 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1914 1915 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1916 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1917 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1918 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1919 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1920 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1921 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1922 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1923 1924 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1925 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1926 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1927 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1928 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1929 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1930 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1931 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1932 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1933 1934 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1935 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1936 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1937 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1938 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1939 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1940 // FIXME: 1941 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1942 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1943 1944 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1945 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1946 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1947 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1948 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1949 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1950 // FIXME: 1951 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1952 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1953 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1954 1955 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1956 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1957 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1958 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1959 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1960 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1961 // FIXME: 1962 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1963 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1964 1965 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1966 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1967 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1968 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1969 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1970 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1971 // FIXME: 1972 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1973 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1974 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1975 1976 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1977 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1978 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1979 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1980 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1981 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1982 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1983 1984 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1985 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1986 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1987 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1988 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1989 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1990 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1991 1992 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1993 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1994 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1995 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1996 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1997 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1998 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1999 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 2000 2001 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 2002 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 2003 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2004 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2005 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2006 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2007 // FIXME: 2008 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 2009 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 2010 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 2011 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 2012 2013 Tokens = annotate("[] <typename T = int> (T t) {}"); 2014 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2015 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2016 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2017 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2018 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2019 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2020 2021 Tokens = annotate("[] <int I = 0> (T t) {}"); 2022 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2023 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2024 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2025 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2026 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2027 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2028 2029 Tokens = annotate("[] <bool b = false> (T t) {}"); 2030 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2031 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2032 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2033 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2034 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2035 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2036 2037 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 2038 ASSERT_EQ(Tokens.size(), 18u) << 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::ampamp, TT_BinaryOperator); 2042 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 2043 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 2044 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 2045 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 2046 2047 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2048 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2049 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2050 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2051 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2052 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2053 // FIXME: 2054 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2055 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2056 } 2057 2058 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2059 auto Tokens = annotate("template <typename T>\n" 2060 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2061 "string OldFunction(const string ¶meter) {}"); 2062 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2063 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2064 2065 Tokens = annotate("template <typename T>\n" 2066 "A(T) noexcept;"); 2067 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2068 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2069 2070 Tokens = annotate("FOO(bar)();"); 2071 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2072 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2073 } 2074 2075 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2076 auto Tokens = annotate("void f [[noreturn]] ();"); 2077 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2078 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2079 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2080 2081 Tokens = annotate("void f [[noreturn]] () {}"); 2082 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2083 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2084 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2085 2086 Tokens = annotate("#define FOO Foo::\n" 2087 "FOO Foo();"); 2088 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2089 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2090 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2091 2092 Tokens = annotate("struct Foo {\n" 2093 " Bar (*func)();\n" 2094 "};"); 2095 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2096 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2097 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2098 2099 Tokens = annotate("void instanceof();"); 2100 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2101 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2102 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2103 2104 Tokens = annotate("int iso_time(time_t);"); 2105 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2106 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2107 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2108 2109 auto Style = getLLVMStyle(); 2110 Style.TypeNames.push_back("MyType"); 2111 Tokens = annotate("int iso_time(MyType);", Style); 2112 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2113 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2114 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2115 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2116 } 2117 2118 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2119 auto Tokens = annotate("class Foo { public: Foo(); };"); 2120 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2121 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2122 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2123 2124 Tokens = annotate("class Foo { public: ~Foo(); };"); 2125 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2126 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2127 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2128 2129 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2130 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2131 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2132 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2133 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2134 2135 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2136 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2137 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2138 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2139 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2140 2141 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2142 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2143 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2144 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2145 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2146 2147 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2148 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2149 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2150 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2151 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2152 2153 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2154 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2155 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2156 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2157 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2158 2159 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2160 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2161 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2162 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2163 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2164 2165 Tokens = annotate("Foo::Foo() {}"); 2166 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2167 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2168 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2169 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2170 2171 Tokens = annotate("Foo::~Foo() {}"); 2172 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2173 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2174 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2175 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2176 2177 Tokens = annotate("struct Test {\n" 2178 " Test()\n" 2179 " : l([] {\n" 2180 " Short::foo();\n" 2181 " }) {}\n" 2182 "};"); 2183 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2184 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2185 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2186 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2187 } 2188 2189 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2190 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2191 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2192 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2193 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2194 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2195 } 2196 2197 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2198 auto Tokens = annotate("auto f() -> int;"); 2199 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2200 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2201 2202 Tokens = annotate("auto operator->() -> int;"); 2203 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2204 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2205 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2206 2207 Tokens = annotate("auto operator++(int) -> int;"); 2208 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2209 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2210 2211 Tokens = annotate("auto operator=() -> int;"); 2212 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2213 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2214 2215 Tokens = annotate("auto operator=(int) -> int;"); 2216 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2217 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2218 2219 Tokens = annotate("auto foo() -> auto { return Val; }"); 2220 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2221 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2222 2223 Tokens = annotate("struct S { auto bar() const -> int; };"); 2224 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2225 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2226 2227 // Not trailing return arrows 2228 Tokens = annotate("auto a = b->c;"); 2229 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2230 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2231 2232 Tokens = annotate("auto a = (b)->c;"); 2233 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2234 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2235 2236 Tokens = annotate("auto a = b()->c;"); 2237 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2238 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2239 2240 Tokens = annotate("auto a = b->c();"); 2241 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2242 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2243 2244 Tokens = annotate("decltype(auto) a = b()->c;"); 2245 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2246 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2247 2248 Tokens = annotate("void f() { auto a = b->c(); }"); 2249 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2250 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2251 2252 Tokens = annotate("void f() { auto a = b()->c; }"); 2253 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2254 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2255 2256 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2257 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2258 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2259 2260 Tokens = annotate("void f() FOO(foo->bar);"); 2261 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2262 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2263 2264 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2265 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2266 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2267 2268 auto Style = getLLVMStyle(); 2269 Style.StatementAttributeLikeMacros.push_back("emit"); 2270 Tokens = annotate("emit foo()->bar;", Style); 2271 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2272 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2273 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2274 2275 // Mixed 2276 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2277 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2278 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2279 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2280 } 2281 2282 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2283 auto Tokens = annotate("#define Foo(Bar) \\\n" 2284 " { \\\n" 2285 " #Bar \\\n" 2286 " }"); 2287 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2288 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2289 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2290 2291 Tokens = annotate("#define Foo(Bar) \\\n" 2292 " { #Bar }"); 2293 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2294 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2295 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2296 2297 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2298 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2299 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2300 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2301 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2302 } 2303 2304 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2305 // '__attribute__' has special handling. 2306 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2307 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2308 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2309 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2310 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2311 2312 // Generic macro has no special handling in this location. 2313 Tokens = annotate("A(X) void Foo(void);"); 2314 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2315 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2316 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2317 2318 // Add a custom AttributeMacro. Test that it has the same behavior. 2319 FormatStyle Style = getLLVMStyle(); 2320 Style.AttributeMacros.push_back("A"); 2321 2322 // An "AttributeMacro" gets annotated like '__attribute__'. 2323 Tokens = annotate("A(X) void Foo(void);", Style); 2324 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2325 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2326 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2327 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2328 } 2329 2330 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2331 // '__attribute__' has special handling. 2332 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2333 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2334 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2335 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2336 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2337 2338 // Generic macro has no special handling in this location. 2339 Tokens = annotate("A(X) @interface Foo"); 2340 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2341 // Note: Don't check token-type as a random token in this position is hard to 2342 // reason about. 2343 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2344 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2345 2346 // Add a custom AttributeMacro. Test that it has the same behavior. 2347 FormatStyle Style = getLLVMStyle(); 2348 Style.AttributeMacros.push_back("A"); 2349 2350 // An "AttributeMacro" gets annotated like '__attribute__'. 2351 Tokens = annotate("A(X) @interface Foo", Style); 2352 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2353 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2354 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2355 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2356 } 2357 2358 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2359 // '__attribute__' has special handling. 2360 auto Tokens = annotate("- (id)init __attribute__((X));"); 2361 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2362 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2363 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2364 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2365 2366 // Generic macro has no special handling in this location. 2367 Tokens = annotate("- (id)init A(X);"); 2368 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2369 // Note: Don't check token-type as a random token in this position is hard to 2370 // reason about. 2371 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2372 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2373 2374 // Add a custom AttributeMacro. Test that it has the same behavior. 2375 FormatStyle Style = getLLVMStyle(); 2376 Style.AttributeMacros.push_back("A"); 2377 2378 // An "AttributeMacro" gets annotated like '__attribute__'. 2379 Tokens = annotate("- (id)init A(X);", Style); 2380 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2381 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2382 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2383 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2384 } 2385 2386 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2387 // '__attribute__' has special handling. 2388 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2389 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2390 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2391 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2392 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2393 2394 // Generic macro has no special handling in this location. 2395 Tokens = annotate("@property(weak) id delegate A(X);"); 2396 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2397 // Note: Don't check token-type as a random token in this position is hard to 2398 // reason about. 2399 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2400 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2401 2402 // Add a custom AttributeMacro. Test that it has the same behavior. 2403 FormatStyle Style = getLLVMStyle(); 2404 Style.AttributeMacros.push_back("A"); 2405 2406 // An "AttributeMacro" gets annotated like '__attribute__'. 2407 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2408 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2409 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2410 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2411 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2412 } 2413 2414 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2415 auto Annotate = [this](StringRef Code) { 2416 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2417 }; 2418 // Test that unary operators get labeled as such and that operators like '++' 2419 // don't get split. 2420 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2421 tok::tilde, tok::amp, tok::pipe, 2422 tok::caret, tok::plusplus, tok::minusminus}; 2423 for (auto Kind : Unary) { 2424 auto Tokens = 2425 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2426 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2427 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2428 } 2429 // Operators formed by joining two operators like '^~'. For some of these 2430 // joined operators, we don't have a separate type, so we only test for their 2431 // precedence. 2432 std::pair<prec::Level, std::string> JoinedBinary[] = { 2433 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2434 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2435 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2436 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2437 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2438 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2439 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2440 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2441 {prec::Equality, "!="}, {prec::Equality, "==="}, 2442 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2443 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2444 {prec::ExclusiveOr, "^~"}, 2445 }; 2446 for (auto Operator : JoinedBinary) { 2447 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2448 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2449 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2450 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2451 } 2452 // '~^' and '^~' can be unary as well as binary operators. 2453 auto Tokens = Annotate("x = ~^x;"); 2454 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2455 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2456 Tokens = Annotate("x = ^~x;"); 2457 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2458 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2459 // The unary operators '~&' and '~|' can only be unary operators. The current 2460 // implementation treats each of them as separate unary '~' and '&' or '|' 2461 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2462 // there is a test that there is no space in between. And even if a new line 2463 // is inserted between the '~' and '|', the semantic meaning is the same as 2464 // the joined operator, so the CanBreakBefore property doesn't need to be 2465 // false for the second operator. 2466 Tokens = Annotate("x = ~&x;"); 2467 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2468 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2469 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2470 Tokens = Annotate("x = ~|x;"); 2471 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2472 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2473 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2474 // Test for block label colons. 2475 Tokens = Annotate("begin : x\n" 2476 "end : x"); 2477 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2478 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2479 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2480 // Test that the dimension colon is annotated correctly. 2481 Tokens = Annotate("var [1 : 0] x;"); 2482 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2483 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2484 Tokens = Annotate("extern function [1 : 0] x;"); 2485 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2486 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2487 Tokens = Annotate("module test\n" 2488 " (input wire [7 : 0] a[7 : 0]);\n" 2489 "endmodule"); 2490 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2491 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2492 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2493 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2494 // Test case labels and ternary operators. 2495 Tokens = Annotate("case (x)\n" 2496 " x:\n" 2497 " x;\n" 2498 "endcase"); 2499 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2500 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2501 Tokens = Annotate("case (x)\n" 2502 " x ? x : x:\n" 2503 " x;\n" 2504 "endcase"); 2505 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2506 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2507 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2508 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2509 // Non-blocking assignments. 2510 Tokens = Annotate("a <= b;"); 2511 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2512 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2513 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2514 Tokens = Annotate("if (a <= b) break;"); 2515 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2516 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2517 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2518 Tokens = Annotate("a <= b <= a;"); 2519 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2520 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2521 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2522 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2523 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2524 2525 // Port lists in module instantiation. 2526 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2527 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2528 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2529 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2530 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2531 "instance_2(port_2);"); 2532 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2533 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2534 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2535 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2536 2537 // Condition parentheses. 2538 Tokens = Annotate("assert (x);"); 2539 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2540 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2541 Tokens = Annotate("assert #0 (x);"); 2542 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2543 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2544 Tokens = Annotate("assert final (x);"); 2545 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2546 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2547 Tokens = Annotate("foreach (x[x]) continue;"); 2548 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2549 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2550 Tokens = Annotate("repeat (x[x]) continue;"); 2551 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2552 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2553 Tokens = Annotate("case (x) endcase;"); 2554 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2555 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2556 2557 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2558 // future, please adapt if those tokens get annotated. This test is only here 2559 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2560 Tokens = Annotate("always @(posedge x, posedge y);"); 2561 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2562 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2563 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2564 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2565 2566 // String literals in concatenation. 2567 Tokens = Annotate("x = {\"\"};"); 2568 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2569 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2570 Tokens = Annotate("x = {\"\", \"\"};"); 2571 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2572 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2573 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2574 Tokens = Annotate("x = '{{\"\"}};"); 2575 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2576 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2577 // Cases where the string should not be annotated that type. Fix the 2578 // `TT_Unknown` if needed in the future. 2579 Tokens = Annotate("x = {\"\" == \"\"};"); 2580 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2581 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2582 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2583 Tokens = Annotate("x = {(\"\")};"); 2584 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2585 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2586 Tokens = Annotate("x = '{\"\"};"); 2587 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2588 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2589 } 2590 2591 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2592 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2593 ASSERT_TRUE(Style.isTableGen()); 2594 2595 TestLexer Lexer(Allocator, Buffers, Style); 2596 AdditionalKeywords Keywords(Lexer.IdentTable); 2597 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2598 2599 // Additional keywords representation test. 2600 auto Tokens = Annotate("def foo : Bar<1>;"); 2601 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2602 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2603 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2604 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2605 2606 // Code, the multiline string token. 2607 Tokens = Annotate("[{ code is multiline string }]"); 2608 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2609 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2610 EXPECT_FALSE(Tokens[0]->IsMultiline); 2611 // Case with multiple lines. 2612 Tokens = Annotate("[{ It can break\n" 2613 " across lines and the line breaks\n" 2614 " are retained in \n" 2615 " the string. }]"); 2616 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2617 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2618 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2619 EXPECT_TRUE(Tokens[0]->IsMultiline); 2620 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2621 2622 // Numeric literals. 2623 Tokens = Annotate("1234"); 2624 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2625 Tokens = Annotate("-1"); 2626 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2627 Tokens = Annotate("+1234"); 2628 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2629 Tokens = Annotate("0b0110"); 2630 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2631 Tokens = Annotate("0x1abC"); 2632 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2633 2634 // Identifier tokens. In TableGen, identifiers can begin with a number. 2635 // In ambiguous cases, the lexer tries to lex it as a number. 2636 // Even if the try fails, it does not fall back to identifier lexing and 2637 // regard as an error. 2638 // The ambiguity is not documented. The result of those tests are based on the 2639 // implementation of llvm::TGLexer::LexToken. 2640 // This is invalid syntax of number, but not an identifier. 2641 Tokens = Annotate("0x1234x"); 2642 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2643 Tokens = Annotate("identifier"); 2644 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2645 // Identifier beginning with a number. 2646 Tokens = Annotate("0x"); 2647 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2648 Tokens = Annotate("2dVector"); 2649 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2650 Tokens = Annotate("01234Vector"); 2651 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2652 2653 // Structured statements. 2654 Tokens = Annotate("class Foo {}"); 2655 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2656 Tokens = Annotate("def Def: Foo {}"); 2657 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2658 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2659 Tokens = Annotate("if cond then {} else {}"); 2660 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2661 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2662 Tokens = Annotate("defset Foo Def2 = {}"); 2663 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2664 2665 // Bang Operators. 2666 Tokens = Annotate("!foreach"); 2667 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2668 Tokens = Annotate("!if"); 2669 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2670 Tokens = Annotate("!cond"); 2671 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2672 2673 auto AnnotateValue = [this, &Style](StringRef Code) { 2674 // Values are annotated only in specific context. 2675 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2676 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2677 }; 2678 // Both of bang/cond operators. 2679 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2680 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2681 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2682 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2683 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2684 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2685 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2686 // DAGArg values with operator identifier 2687 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2688 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2689 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2690 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2691 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2692 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2693 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2694 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2695 // List literal 2696 Tokens = AnnotateValue("[1, 2, 3]"); 2697 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2698 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2699 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2700 // Suffixes of values 2701 Tokens = AnnotateValue("valid.field"); 2702 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2703 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2704 // Code 2705 Tokens = AnnotateValue("[{ code is multiline string }]"); 2706 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2707 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2708 2709 // The definition 2710 Tokens = annotate("def Def : Parent<Child> {}", Style); 2711 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2712 // We use inheritance colon and function brace. They are enough. 2713 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2714 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2715 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2716 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2717 2718 // DAGArg breaking options. They use different token types depending on what 2719 // is specified. 2720 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2721 2722 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2723 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2724 // elements to have line break. 2725 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2726 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2727 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2728 EXPECT_TOKEN(Tokens[1], tok::identifier, 2729 TT_TableGenDAGArgOperatorID); // ins 2730 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2731 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2732 2733 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2734 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2735 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2736 EXPECT_TOKEN(Tokens[1], tok::identifier, 2737 TT_TableGenDAGArgOperatorID); // other 2738 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2739 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2740 2741 // For non-identifier operators, breaks after the operator. 2742 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2743 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2744 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2745 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2746 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2747 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2748 2749 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2750 2751 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2752 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2753 // to have line break inside it. 2754 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2755 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2756 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2757 EXPECT_TOKEN(Tokens[1], tok::identifier, 2758 TT_TableGenDAGArgOperatorToBreak); // ins 2759 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2760 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2761 2762 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2763 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2764 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2765 EXPECT_TOKEN(Tokens[1], tok::identifier, 2766 TT_TableGenDAGArgOperatorToBreak); // other 2767 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2768 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2769 2770 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2771 // specified operators. 2772 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2773 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2774 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2775 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2776 EXPECT_TOKEN(Tokens[1], tok::identifier, 2777 TT_TableGenDAGArgOperatorToBreak); // ins 2778 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2779 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2780 2781 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2782 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2783 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2784 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2785 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2786 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2787 2788 // If TableGenBreakingDAGArgOperators is enabled, it uses 2789 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2790 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2791 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2792 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2793 EXPECT_TOKEN(Tokens[1], tok::identifier, 2794 TT_TableGenDAGArgOperatorToBreak); // ins 2795 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2796 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2797 2798 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2799 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2800 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2801 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2802 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2803 } 2804 2805 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2806 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2807 2808 // The TT_Unknown is clearly not binding for the future, please adapt if those 2809 // tokens get annotated. 2810 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2811 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2812 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2813 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2814 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2815 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2816 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2817 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2818 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2819 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2820 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2821 2822 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2823 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2824 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2825 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2826 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2827 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2828 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2829 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2830 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2831 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2832 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2833 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2834 2835 Tokens = annotate("class Class {\n" 2836 " Class() : BaseClass() {\n" 2837 "#if 0\n" 2838 " // comment\n" 2839 "#endif\n" 2840 " }\n" 2841 " Class f();\n" 2842 "}"); 2843 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2844 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2845 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2846 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2847 } 2848 2849 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2850 auto Tokens = annotate("if (x) {}"); 2851 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2852 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2853 Tokens = annotate("if constexpr (x) {}"); 2854 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2855 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2856 Tokens = annotate("if CONSTEXPR (x) {}"); 2857 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2858 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2859 Tokens = annotate("if (x) {} else if (x) {}"); 2860 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2861 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2862 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2863 } 2864 2865 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2866 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2867 2868 auto Tokens = annotate("int? a;", Style); 2869 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2870 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2871 2872 Tokens = annotate("int? a = 1;", Style); 2873 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2874 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2875 2876 Tokens = annotate("int?)", Style); 2877 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2878 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2879 2880 Tokens = annotate("int?>", Style); 2881 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2882 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2883 2884 Tokens = annotate("cond? id : id2", Style); 2885 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2886 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2887 2888 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2889 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2890 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2891 } 2892 2893 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2894 auto Tokens = annotate("{ x: break; }"); 2895 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2896 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2897 2898 Tokens = annotate("{ case x: break; }"); 2899 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2900 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2901 2902 Tokens = annotate("{ x: { break; } }"); 2903 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2904 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2905 2906 Tokens = annotate("{ case x: { break; } }"); 2907 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2908 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2909 2910 Tokens = annotate("#define FOO label:"); 2911 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2912 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2913 2914 Tokens = annotate("#define FOO \\\n" 2915 "label: \\\n" 2916 " break;"); 2917 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2918 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2919 } 2920 2921 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2922 // The closing braces are not annotated. It doesn't seem to cause a problem. 2923 // So we only test for the opening braces. 2924 auto Tokens = annotate("{\n" 2925 " {\n" 2926 " { int a = 0; }\n" 2927 " }\n" 2928 " {}\n" 2929 "}"); 2930 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2931 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2932 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2933 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2934 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2935 } 2936 2937 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2938 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2939 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2940 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2941 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2942 2943 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2944 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2945 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2946 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2947 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2948 2949 Tokens = annotate("SomeStruct {\n" 2950 "#ifdef FOO\n" 2951 " .a = 1,\n" 2952 "#endif\n" 2953 " .b = 2\n" 2954 "};"); 2955 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2956 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2957 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2958 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2959 2960 Tokens = annotate("SomeStruct {\n" 2961 "#if defined FOO\n" 2962 " .a = 1,\n" 2963 "#endif\n" 2964 " .b = 2\n" 2965 "};"); 2966 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2967 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2968 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2969 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2970 2971 Tokens = annotate("Foo foo[] = {[0]{}};"); 2972 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2973 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2974 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2975 } 2976 2977 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2978 auto Annotate = [this](StringRef Code) { 2979 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2980 }; 2981 2982 // Dictionary. 2983 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2984 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2985 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2986 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2987 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2988 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2989 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2990 // Change when we need to annotate these. 2991 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2992 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2993 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2994 } 2995 2996 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2997 auto Tokens = annotate("bool foo __attribute__((unused));"); 2998 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2999 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3000 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3001 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 3002 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 3003 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 3004 3005 Tokens = annotate("bool foo __declspec(dllimport);"); 3006 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3007 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3008 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3009 3010 Tokens = annotate("bool __attribute__((unused)) foo;"); 3011 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3012 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3013 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3014 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3015 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3016 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 3017 3018 Tokens = annotate("void __attribute__((x)) Foo();"); 3019 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3020 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3021 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3022 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3023 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3024 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 3025 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 3026 3027 FormatStyle Style = getLLVMStyle(); 3028 Style.AttributeMacros.push_back("FOO"); 3029 Tokens = annotate("bool foo FOO(unused);", Style); 3030 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3031 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 3032 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3033 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3034 } 3035 3036 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 3037 auto Tokens = annotate("while (true) {}"); 3038 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3039 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3040 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3041 3042 Tokens = annotate("for (;;) {}"); 3043 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3044 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 3045 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 3046 3047 Tokens = annotate("do {} while (true);"); 3048 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3049 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3050 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3051 3052 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3053 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3054 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3055 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3056 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3057 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3058 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3059 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3060 3061 Tokens = annotate("switch (foo) {}"); 3062 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3063 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3064 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3065 } 3066 3067 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3068 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3069 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3070 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3071 3072 Tokens = annotate("do ++i; while ( i > 5 );"); 3073 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3074 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3075 } 3076 3077 TEST_F(TokenAnnotatorTest, StartOfName) { 3078 auto Tokens = annotate("#pragma clang diagnostic push"); 3079 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3080 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3081 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3082 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3083 3084 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3085 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3086 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3087 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3088 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3089 3090 Tokens = annotate("#define FOO Foo foo"); 3091 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3092 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3093 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3094 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3095 3096 Tokens = annotate("@interface NSCoder (TestCoder)"); 3097 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3098 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3099 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3100 3101 auto Style = getLLVMStyle(); 3102 Style.StatementAttributeLikeMacros.push_back("emit"); 3103 Tokens = annotate("emit foo = 0;", Style); 3104 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3105 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3106 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3107 } 3108 3109 TEST_F(TokenAnnotatorTest, BraceKind) { 3110 auto Tokens = annotate("void f() {};"); 3111 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3112 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3113 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3114 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3115 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3116 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3117 3118 Tokens = annotate("class Foo<int> f() {}"); 3119 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3120 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3121 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3122 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3123 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3124 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3125 3126 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3127 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3128 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3129 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3130 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3131 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3132 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3133 3134 Tokens = annotate("void f() override {};"); 3135 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3136 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3137 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3138 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3139 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3140 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3141 3142 Tokens = annotate("void f() noexcept(false) {};"); 3143 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3144 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3145 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3146 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3147 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3148 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3149 3150 Tokens = annotate("auto f() -> void {};"); 3151 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3152 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3153 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3154 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3155 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3156 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3157 3158 Tokens = annotate("void f() { /**/ };"); 3159 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3160 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3161 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3162 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3163 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3164 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3165 3166 Tokens = annotate("void f() { //\n" 3167 "};"); 3168 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3169 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3170 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3171 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3172 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3173 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3174 3175 Tokens = annotate("void f() {\n" 3176 " //\n" 3177 "};"); 3178 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3179 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3180 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3181 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3182 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3183 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3184 3185 Tokens = annotate("struct Foo {\n" 3186 " Foo() {};\n" 3187 " ~Foo() {};\n" 3188 "};"); 3189 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3190 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3191 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3192 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3193 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3194 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3195 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3196 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3197 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3198 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3199 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3200 3201 Tokens = annotate("{\n" 3202 " char *a[] = {\n" 3203 " /* abc */ \"abc\",\n" 3204 "#if FOO\n" 3205 " /* xyz */ \"xyz\",\n" 3206 "#endif\n" 3207 " /* last */ \"last\"};\n" 3208 "}"); 3209 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3210 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3211 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3212 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3213 3214 Tokens = 3215 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3216 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3217 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3218 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3219 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3220 3221 Tokens = annotate("struct {};"); 3222 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3223 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3224 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3225 3226 Tokens = annotate("struct : Base {};"); 3227 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3228 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3229 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3230 3231 Tokens = annotate("struct Foo {};"); 3232 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3233 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3234 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3235 3236 Tokens = annotate("struct ::Foo {};"); 3237 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3238 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3239 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3240 3241 Tokens = annotate("struct NS::Foo {};"); 3242 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3243 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3244 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3245 3246 Tokens = annotate("struct Foo<int> {};"); 3247 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3248 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3249 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3250 3251 Tokens = annotate("struct Foo<int>::Bar {};"); 3252 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3253 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3254 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3255 3256 Tokens = annotate("struct Foo<int> : Base {};"); 3257 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3258 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3259 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3260 3261 Tokens = annotate("struct Foo final {};"); 3262 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3263 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3264 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3265 3266 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3267 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3268 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3269 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3270 3271 Tokens = annotate("struct Foo x{};"); 3272 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3273 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3274 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3275 3276 Tokens = annotate("struct ::Foo x{};"); 3277 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3278 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3279 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3280 3281 Tokens = annotate("struct NS::Foo x{};"); 3282 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3283 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3284 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3285 3286 Tokens = annotate("struct Foo<int> x{};"); 3287 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3288 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3289 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3290 3291 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3292 "#else\n" 3293 "#endif\n" 3294 "class RenderingServer : Object {\n" 3295 "#ifndef DISABLE_DEPRECATED\n" 3296 " enum Features {\n" 3297 " FEATURE_SHADERS,\n" 3298 " FEATURE_MULTITHREADED,\n" 3299 " };\n" 3300 "#endif\n" 3301 "};"); 3302 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3303 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3304 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3305 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3306 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3307 3308 Tokens = annotate("{\n" 3309 "#define M(x) \\\n" 3310 " return {#x};\n" 3311 "}"); 3312 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3313 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3314 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3315 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3316 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3317 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3318 3319 Tokens = annotate("a = class extends goog.a {};", 3320 getGoogleStyle(FormatStyle::LK_JavaScript)); 3321 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3322 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3323 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3324 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3325 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3326 3327 Tokens = annotate("a = class Foo extends goog.a {};", 3328 getGoogleStyle(FormatStyle::LK_JavaScript)); 3329 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3330 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_ClassLBrace); 3331 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3332 EXPECT_TOKEN(Tokens[9], tok::r_brace, TT_ClassRBrace); 3333 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3334 3335 Tokens = annotate("#define FOO(X) \\\n" 3336 " struct X##_tag_ {};"); 3337 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3338 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3339 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3340 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3341 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3342 3343 Tokens = annotate("#define MACRO \\\n" 3344 " struct hash<type> { \\\n" 3345 " void f() { return; } \\\n" 3346 " };"); 3347 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3348 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3349 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3350 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3351 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3352 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3353 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3354 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3355 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3356 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3357 3358 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3359 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3360 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3361 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3362 } 3363 3364 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3365 auto Tokens = annotate("auto foo() -> enum En {}"); 3366 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3367 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3368 } 3369 3370 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3371 auto Tokens = annotate("{\n" 3372 " {\n" 3373 " foo();\n" 3374 " }\n" 3375 "}"); 3376 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3377 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3378 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3379 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3380 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3381 3382 Tokens = annotate("void bar() {\n" 3383 " {\n" 3384 " foo();\n" 3385 " }\n" 3386 "}"); 3387 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3388 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3389 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3390 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3391 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3392 3393 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3394 getLLVMStyle(FormatStyle::LK_ObjC)); 3395 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3396 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3397 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3398 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3399 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3400 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3401 } 3402 3403 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3404 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3405 auto Tokens = annotate("i = switch (day) {\n" 3406 " case THURSDAY, SATURDAY -> 8;\n" 3407 " case WEDNESDAY -> 9;\n" 3408 " default -> 1;\n" 3409 "};", 3410 Style); 3411 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3412 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3413 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3414 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3415 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3416 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3417 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3418 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3419 } 3420 3421 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3422 auto Tokens = annotate("a = b and c;"); 3423 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3424 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3425 3426 Tokens = annotate("a = b and_eq c;"); 3427 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3428 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3429 3430 Tokens = annotate("a = b bitand c;"); 3431 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3432 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3433 3434 Tokens = annotate("a = b bitor c;"); 3435 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3436 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3437 3438 Tokens = annotate("a = b compl c;"); 3439 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3440 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3441 3442 Tokens = annotate("a = b not c;"); 3443 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3444 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3445 3446 Tokens = annotate("a = b not_eq c;"); 3447 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3448 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3449 3450 Tokens = annotate("a = b or c;"); 3451 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3452 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3453 3454 Tokens = annotate("a = b or_eq c;"); 3455 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3456 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3457 3458 Tokens = annotate("a = b xor c;"); 3459 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3460 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3461 3462 Tokens = annotate("a = b xor_eq c;"); 3463 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3464 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3465 3466 Tokens = annotate("xor = foo;"); 3467 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3468 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3469 3470 Tokens = annotate("int xor = foo;"); 3471 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3472 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3473 } 3474 3475 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3476 auto Tokens = 3477 annotate("Foo::Foo(int x, int y) try\n" 3478 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3479 "} catch (...) {\n" 3480 "}"); 3481 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3482 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3483 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3484 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3485 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3486 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3487 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3488 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3489 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3490 } 3491 3492 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3493 auto Style = getLLVMStyle(); 3494 Style.TypenameMacros.push_back("STRUCT"); 3495 3496 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3497 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3498 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3499 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3500 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3501 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3502 } 3503 3504 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3505 auto Style = getGNUStyle(); 3506 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3507 3508 auto Tokens = annotate("return 1 <=> 2;", Style); 3509 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3510 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3511 } 3512 3513 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3514 auto Style = getLLVMStyle(); 3515 Style.ColumnLimit = 20; 3516 3517 auto Tokens = annotate("class foo {\n" 3518 " auto bar()\n" 3519 " -> bool;\n" 3520 "};", 3521 Style); 3522 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3523 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3524 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3525 } 3526 3527 TEST_F(TokenAnnotatorTest, TemplateName) { 3528 constexpr StringRef Code{"return Foo < A || B > (C ^ D);"}; 3529 3530 auto Tokens = annotate(Code); 3531 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3532 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 3533 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 3534 3535 auto Style = getLLVMStyle(); 3536 Style.TemplateNames.push_back("Foo"); 3537 3538 Tokens = annotate(Code, Style); 3539 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_TemplateName); 3540 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3541 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3542 } 3543 3544 TEST_F(TokenAnnotatorTest, TemplateInstantiation) { 3545 auto Tokens = annotate("return FixedInt<N | M>();"); 3546 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3547 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3548 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3549 3550 Tokens = annotate("return std::conditional_t<T::value == U::value, T, U>{};"); 3551 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3552 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 3553 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 3554 } 3555 3556 } // namespace 3557 } // namespace format 3558 } // namespace clang 3559