1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public testing::Test { 28 protected: 29 TokenList annotate(StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_SPLIT_PENALTY(FormatTok, Penalty) \ 46 EXPECT_EQ(FormatTok->SplitPenalty, Penalty) << *(FormatTok) 47 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 48 do { \ 49 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 50 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 51 } while (false) 52 53 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 54 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 55 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 56 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 57 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 59 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 60 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 61 62 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 63 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 64 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 65 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 66 67 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 68 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 69 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 70 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 72 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 73 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 74 75 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 76 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 77 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 78 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 79 80 Tokens = annotate("void f() {\n" 81 " while (p < a && *p == 'a')\n" 82 " p++;\n" 83 "}"); 84 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 85 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 86 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 87 88 Tokens = annotate("case *x:"); 89 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 90 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 91 Tokens = annotate("case &x:"); 92 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 93 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 94 95 Tokens = annotate("bool b = 3 == int{3} && true;"); 96 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 97 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 98 99 Tokens = annotate("struct {\n" 100 "} *ptr;"); 101 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 102 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 103 Tokens = annotate("union {\n" 104 "} *ptr;"); 105 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 106 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 107 Tokens = annotate("class {\n" 108 "} *ptr;"); 109 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 110 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 111 112 Tokens = annotate("struct {\n" 113 "} &&ptr = {};"); 114 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 115 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 116 Tokens = annotate("union {\n" 117 "} &&ptr = {};"); 118 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 119 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 120 Tokens = annotate("class {\n" 121 "} &&ptr = {};"); 122 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 123 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 124 Tokens = annotate("int i = int{42} * 2;"); 125 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 126 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 127 128 Tokens = annotate("delete[] *ptr;"); 129 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 130 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 131 Tokens = annotate("delete[] **ptr;"); 132 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 133 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 134 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 135 Tokens = annotate("delete[] *(ptr);"); 136 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 137 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 138 139 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 141 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 142 // FIXME: The star of a function pointer probably makes more sense as 143 // TT_PointerOrReference. 144 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 145 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 146 147 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 148 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 149 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 150 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 151 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 152 153 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 154 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 155 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 156 157 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 158 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 159 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 160 161 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 162 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 163 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 164 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 165 166 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 167 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 168 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 169 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 170 171 Tokens = annotate("Type1 &val1 = val2;"); 172 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 173 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 174 175 Tokens = annotate("Type1 *val1 = &val2;"); 176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 177 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 178 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 179 180 Tokens = annotate("val1 & val2;"); 181 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 182 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 183 184 Tokens = annotate("val1 & val2.member;"); 185 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 186 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 187 188 Tokens = annotate("val1 & val2.*member;"); 189 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 190 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 191 192 Tokens = annotate("val1.*member & val2;"); 193 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 194 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 195 196 Tokens = annotate("val1 & val2->*member;"); 197 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 198 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 199 200 Tokens = annotate("val1->member & val2;"); 201 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 202 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 203 204 Tokens = annotate("val1 & val2 & val3;"); 205 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 206 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 207 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 208 209 Tokens = annotate("val1 & val2 // comment\n" 210 " & val3;"); 211 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 212 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 213 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 214 215 Tokens = 216 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 217 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 218 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 220 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 221 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 222 223 Tokens = annotate("class c {\n" 224 " void func(type &a) { a & member; }\n" 225 " anotherType &member;\n" 226 "}"); 227 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 228 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 229 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 230 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 231 232 Tokens = annotate("struct S {\n" 233 " auto Mem = C & D;\n" 234 "}"); 235 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 236 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 237 238 Tokens = 239 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 240 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 241 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 242 243 Tokens = annotate("template <typename T> struct S {\n" 244 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 245 "};"); 246 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 247 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 248 249 Tokens = annotate("template <bool B = C && D> struct S {};"); 250 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 251 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 252 253 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 254 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 255 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 256 257 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 258 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 259 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 260 261 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 262 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 263 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 264 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 265 266 Tokens = annotate("Foo<A && B> a = {};"); 267 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 268 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 269 270 Tokens = annotate("Foo<A &&> a = {};"); 271 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 272 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 273 274 Tokens = annotate("template <typename T>\n" 275 "enable_if_t<is_integral_v<T>, bool> // comment\n" 276 "operator~(T &a);"); 277 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 278 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 279 280 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 281 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 282 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 283 284 Tokens = 285 annotate("auto foo() noexcept(noexcept(bar()) && " 286 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 287 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 288 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 289 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 290 291 Tokens = annotate("foo = *i < *j && *j > *k;"); 292 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 293 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 294 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 295 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 296 297 FormatStyle Style = getLLVMStyle(); 298 Style.TypeNames.push_back("MYI"); 299 Tokens = annotate("if (MYI *p{nullptr})", Style); 300 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 301 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 302 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 303 304 Style.TypeNames.push_back("Class"); 305 Tokens = annotate("if (Class *obj {getObj()})", Style); 306 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 307 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 308 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 309 310 Tokens = annotate("class Foo {\n" 311 " void operator<() {}\n" 312 " Foo &f;\n" 313 "};"); 314 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 315 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 316 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 317 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 318 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 319 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 320 321 Tokens = annotate("if (new && num) {\n" 322 " new = 1;\n" 323 "}\n" 324 "if (!delete && num) {\n" 325 " delete = 1;\n" 326 "}"); 327 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 328 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 329 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 330 331 Tokens = annotate("#define FOO \\\n" 332 " void foo() { f(a * b); }"); 333 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 334 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 335 336 Tokens = annotate("for (int i; Foo *&foo : foos)"); 337 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 338 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 339 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 340 EXPECT_TOKEN(Tokens[9], tok::colon, TT_RangeBasedForLoopColon); 341 342 Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };"); 343 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 344 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 345 346 Tokens = annotate("namespace {\n" 347 "#define FOO(x) void foo(a##x *b);\n" 348 "}"); 349 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 350 EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference); 351 } 352 353 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 354 auto Tokens = annotate("x - 0"); 355 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 356 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 357 Tokens = annotate("0 + 0"); 358 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 359 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 360 Tokens = annotate("x + +0"); 361 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 362 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 363 Tokens = annotate("x ? -0 : +0"); 364 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 365 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 366 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 367 Tokens = annotate("(-0)"); 368 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 369 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 370 Tokens = annotate("0, -0"); 371 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 372 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 373 Tokens = annotate("for (; -1;) {\n}"); 374 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 375 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 376 Tokens = annotate("x = -1;"); 377 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 378 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 379 Tokens = annotate("x[-1]"); 380 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 381 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 382 Tokens = annotate("x = {-1};"); 383 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 384 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 385 Tokens = annotate("case -x:"); 386 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 387 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 388 Tokens = annotate("co_await -x;"); 389 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 390 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 391 Tokens = annotate("co_return -x;"); 392 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 393 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 394 Tokens = annotate("co_yield -x;"); 395 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 397 Tokens = annotate("delete -x;"); 398 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 399 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 400 Tokens = annotate("return -x;"); 401 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 402 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 403 Tokens = annotate("throw -x;"); 404 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 405 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 406 Tokens = annotate("sizeof -x"); 407 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 408 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 409 Tokens = annotate("co_await +x;"); 410 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 411 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 412 Tokens = annotate("co_return +x;"); 413 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 414 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 415 Tokens = annotate("co_yield +x;"); 416 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 417 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 418 Tokens = annotate("delete +x;"); 419 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 420 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 421 Tokens = annotate("return +x;"); 422 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 423 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 424 Tokens = annotate("throw +x;"); 425 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 426 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 427 Tokens = annotate("sizeof +x"); 428 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 429 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 430 Tokens = annotate("(int)-x"); 431 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 432 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 433 Tokens = annotate("(-x)"); 434 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 435 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 436 Tokens = annotate("!+x"); 437 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 438 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 439 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 440 } 441 442 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 443 auto Tokens = annotate("class C {};"); 444 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 445 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 446 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 447 448 Tokens = annotate("const class C {} c;"); 449 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 450 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 451 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 452 453 Tokens = annotate("const class {} c;"); 454 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 455 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 456 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 457 458 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 459 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 460 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 461 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 462 } 463 464 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 465 auto Tokens = annotate("struct S {};"); 466 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 467 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 468 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 469 470 Tokens = annotate("struct macro(a) S {};"); 471 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 472 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 473 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 474 475 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 476 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 477 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 478 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 479 480 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 481 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 482 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 483 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 484 485 Tokens = annotate("struct macro(a) S {\n" 486 " void f(T &t);\n" 487 "};"); 488 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 489 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 490 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 491 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 492 493 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 494 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 495 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 496 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 497 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 498 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 499 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 500 501 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 502 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 503 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 504 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 505 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 506 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 507 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 508 509 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 510 " void f(T const (&a)[n]);\n" 511 "};"); 512 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 513 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 514 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 515 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 516 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 517 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 518 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 519 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 520 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 521 522 Tokens = annotate("template <typename T, enum E e> struct S {};"); 523 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 524 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 525 526 auto Style = getLLVMStyle(); 527 Style.AttributeMacros.push_back("EXPORT"); 528 Tokens = annotate("struct EXPORT StructName {};", Style); 529 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 530 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 531 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 532 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 533 } 534 535 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 536 auto Tokens = annotate("union U {};"); 537 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 538 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 539 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 540 541 Tokens = annotate("union U { void f() { return; } };"); 542 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 543 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 544 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 545 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 546 } 547 548 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 549 auto Tokens = annotate("enum E {};"); 550 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 551 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 552 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 553 } 554 555 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 556 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 557 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 558 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 559 560 Tokens = annotate("template <typename T> void F(T) && = delete;"); 561 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 562 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 563 } 564 565 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 566 auto Tokens = 567 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 568 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 569 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 570 } 571 572 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 573 auto Tokens = 574 annotate("template <typename T> " 575 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 576 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 577 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 578 } 579 580 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 581 auto Tokens = 582 annotate("#define FOO(typeName) \\\n" 583 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 584 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 585 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 586 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 587 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 588 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 589 } 590 591 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 592 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 593 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 594 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 595 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 596 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 597 } 598 599 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 600 // IsExpression = false 601 auto Tokens = annotate("foo<true ? 1 : 2>();"); 602 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 603 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 604 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 605 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 606 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 607 608 // IsExpression = true 609 610 Tokens = annotate("return foo<true ? 1 : 2>();"); 611 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 612 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 613 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 614 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 615 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 616 617 Tokens = annotate("return foo<true ? 1 : 2>{};"); 618 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 619 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 620 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 621 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 622 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 623 } 624 625 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 626 auto Tokens = annotate("return a < b && c > d;"); 627 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 628 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 629 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 630 631 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 632 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 633 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 634 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 635 636 Tokens = annotate("return A < B ? true : A > B;"); 637 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 638 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 639 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 640 641 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 642 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 643 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 644 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 645 646 Tokens = annotate("return checklower ? a < b : a > b;"); 647 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 648 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 649 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 650 651 Tokens = annotate("return A < B ^ A > B;"); 652 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 653 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 654 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 655 656 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 657 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 658 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 659 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 660 } 661 662 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 663 auto Tokens = annotate("template <template <typename...> typename X,\n" 664 " template <typename...> class Y,\n" 665 " typename... T>\n" 666 "class A {};"); 667 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 668 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 669 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 670 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 671 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 672 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 673 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 674 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 675 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 676 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 677 } 678 679 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 680 FormatStyle Style = getLLVMStyle(); 681 Style.WhitespaceSensitiveMacros.push_back("FOO"); 682 683 auto Tokens = annotate("FOO(1+2 )", Style); 684 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 685 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 686 687 Tokens = annotate("FOO(a:b:c)", Style); 688 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 689 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 690 } 691 692 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 693 auto Tokens = annotate("delete (void *)p;"); 694 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 695 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 696 697 Tokens = annotate("delete[] (void *)p;"); 698 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 699 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 700 701 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 702 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 703 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 704 705 Tokens = annotate("delete[/*comment*/] (void *)p;"); 706 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 707 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 708 709 Tokens = annotate("delete/*comment*/[] (void *)p;"); 710 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 711 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 712 } 713 714 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 715 auto Tokens = annotate("(void)p;"); 716 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 717 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 718 719 Tokens = annotate("(uint32_t)&&label;"); 720 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 721 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 722 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 723 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 724 725 Tokens = annotate("auto x = (Foo)p;"); 726 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 727 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 728 729 Tokens = annotate("(std::vector<int>)p;"); 730 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 731 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 732 733 Tokens = annotate("return (Foo)p;"); 734 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 735 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 736 737 Tokens = annotate("throw (Foo)p;"); 738 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 739 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 740 741 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 742 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 743 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 744 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 745 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 746 747 Tokens = annotate("#define foo(i) ((i) - bar)"); 748 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 749 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 750 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 751 752 Tokens = annotate("return (Foo) & 10;"); 753 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 754 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 755 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 756 757 Tokens = annotate("return (struct foo){};"); 758 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 759 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 760 761 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 762 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 763 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 764 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 765 766 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 767 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 768 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 769 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 770 771 Tokens = annotate("func((void (*)())&a);"); 772 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 773 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 774 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 775 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 776 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 777 778 Tokens = annotate("int result = ((int)a) - b;"); 779 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 780 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 781 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 782 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 783 784 Tokens = annotate("return (double)(foo(30)) - 15;"); 785 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 786 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 787 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 788 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 789 790 Tokens = annotate("return (::Type)(1 + 2);"); 791 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 792 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 793 794 Tokens = annotate("return (Namespace::Class)(1 + 2);"); 795 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 796 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 797 798 auto Style = getLLVMStyle(); 799 Style.TypeNames.push_back("Foo"); 800 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 801 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 802 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 803 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 804 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 805 } 806 807 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 808 auto Tokens = annotate("void f() throw(int);"); 809 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 810 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 811 } 812 813 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 814 auto Tokens = annotate("void f() &;"); 815 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 816 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 817 818 Tokens = annotate("void operator=(T) &&;"); 819 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 820 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 821 822 Tokens = annotate("template <typename T> void f() &;"); 823 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 824 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 825 826 Tokens = annotate("template <typename T> void operator=(T) &;"); 827 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 828 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 829 } 830 831 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 832 auto Tokens = annotate("x.operator+()"); 833 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 834 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 835 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 836 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 837 Tokens = annotate("x.operator=()"); 838 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 839 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 840 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 841 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 842 Tokens = annotate("x.operator+=()"); 843 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 844 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 845 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 846 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 847 Tokens = annotate("x.operator,()"); 848 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 849 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 850 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 851 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 852 Tokens = annotate("x.operator()()"); 853 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 854 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 855 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 856 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 857 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 858 Tokens = annotate("x.operator[]()"); 859 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 860 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 861 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 862 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 863 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 864 Tokens = annotate("x.operator\"\"_a()"); 865 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 866 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 867 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 868 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 869 Tokens = annotate("x.operator\"\" _a()"); 870 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 871 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 872 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 873 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 874 Tokens = annotate("x.operator\"\"if()"); 875 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 876 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 877 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 878 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 879 Tokens = annotate("x.operator\"\"s()"); 880 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 881 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 882 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 883 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 884 Tokens = annotate("x.operator\"\" s()"); 885 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 886 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 887 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 888 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 889 890 Tokens = annotate("int operator+(int);"); 891 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 892 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 893 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 894 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 895 Tokens = annotate("auto operator=(T&) {}"); 896 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 897 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 898 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 899 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 900 Tokens = annotate("auto operator()() {}"); 901 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 902 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 903 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 904 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 905 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 906 907 Tokens = annotate("class Foo {\n" 908 " int operator+(a* b);\n" 909 "}"); 910 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 911 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 912 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 913 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 914 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 915 916 Tokens = annotate("class Foo {\n" 917 " int c = operator+(a * b);\n" 918 "}"); 919 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 920 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 921 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 922 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 923 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 924 925 Tokens = annotate("void foo() {\n" 926 " operator+(a * b);\n" 927 "}"); 928 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 929 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 930 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 931 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 932 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 933 934 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 935 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 936 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 937 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 938 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 939 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 940 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 941 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 942 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 943 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 944 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 945 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 946 947 Tokens = annotate("class Foo {\n" 948 " void foo() {\n" 949 " operator+(a * b);\n" 950 " }\n" 951 "}"); 952 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 953 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 954 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 955 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 956 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 957 958 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 959 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 960 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 961 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 962 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 963 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 964 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 965 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 966 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 967 968 Tokens = annotate("decltype(auto) operator()(T &x);"); 969 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 970 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 971 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 972 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 973 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 974 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 975 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 976 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 977 } 978 979 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 980 struct { 981 const char *Text; 982 tok::TokenKind Kind; 983 } Operators[] = {{"+", tok::plus}, 984 {"-", tok::minus}, 985 // FIXME: 986 // {"*", tok::star}, 987 {"/", tok::slash}, 988 {"%", tok::percent}, 989 {"^", tok::caret}, 990 // FIXME: 991 // {"&", tok::amp}, 992 {"|", tok::pipe}, 993 {"~", tok::tilde}, 994 {"!", tok::exclaim}, 995 {"=", tok::equal}, 996 // FIXME: 997 // {"<", tok::less}, 998 {">", tok::greater}, 999 {"+=", tok::plusequal}, 1000 {"-=", tok::minusequal}, 1001 {"*=", tok::starequal}, 1002 {"/=", tok::slashequal}, 1003 {"%=", tok::percentequal}, 1004 {"^=", tok::caretequal}, 1005 {"&=", tok::ampequal}, 1006 {"|=", tok::pipeequal}, 1007 {"<<", tok::lessless}, 1008 {">>", tok::greatergreater}, 1009 {">>=", tok::greatergreaterequal}, 1010 {"<<=", tok::lesslessequal}, 1011 {"==", tok::equalequal}, 1012 {"!=", tok::exclaimequal}, 1013 {"<=", tok::lessequal}, 1014 {">=", tok::greaterequal}, 1015 {"<=>", tok::spaceship}, 1016 {"&&", tok::ampamp}, 1017 {"||", tok::pipepipe}, 1018 {"++", tok::plusplus}, 1019 {"--", tok::minusminus}, 1020 {",", tok::comma}, 1021 {"->*", tok::arrowstar}, 1022 {"->", tok::arrow}}; 1023 1024 for (const auto &Operator : Operators) { 1025 std::string Input("C<&operator"); 1026 Input += Operator.Text; 1027 Input += " > a;"; 1028 auto Tokens = annotate(std::string(Input)); 1029 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1030 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1031 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1032 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1033 } 1034 1035 auto Tokens = annotate("C<&operator< <X>> lt;"); 1036 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1037 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1038 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1039 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1040 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1041 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1042 } 1043 1044 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1045 auto Tokens = annotate("template <typename T>\n" 1046 "concept C = (Foo && Bar) && (Bar && Baz);"); 1047 1048 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1049 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1050 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1051 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1052 1053 Tokens = annotate("template <typename T>\n" 1054 "concept C = Foo && !Bar;"); 1055 1056 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1057 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1058 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1059 1060 Tokens = annotate("template <typename T>\n" 1061 "concept C = requires(T t) {\n" 1062 " { t.foo() };\n" 1063 "} && Bar<T> && Baz<T>;"); 1064 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1065 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1066 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1067 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1068 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1069 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1070 1071 Tokens = annotate("template<typename T>\n" 1072 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1073 "struct Foo;"); 1074 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1075 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1076 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1077 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1078 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1079 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1080 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1081 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1082 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1083 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1084 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1085 1086 Tokens = 1087 annotate("template<typename T>\n" 1088 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1089 "struct Foo;"); 1090 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1091 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1092 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1093 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1094 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1095 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1096 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1097 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1098 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1099 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1100 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1101 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1102 1103 Tokens = annotate("template <typename T>\n" 1104 "void foo(T) noexcept requires Bar<T>;"); 1105 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1106 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1107 1108 Tokens = annotate("template <typename T>\n" 1109 "requires Bar<T> || Baz<T>\n" 1110 "auto foo(T) -> int;"); 1111 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1112 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1113 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1114 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1115 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1116 1117 Tokens = annotate("template <typename T>\n" 1118 "requires Bar<T>\n" 1119 "bool foo(T) { return false; }"); 1120 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1121 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1122 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1123 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1124 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1125 1126 Tokens = annotate("template <typename T>\n" 1127 "requires Bar<T>\n" 1128 "decltype(auto) foo(T) { return false; }"); 1129 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1130 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1131 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1132 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1133 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1134 1135 Tokens = annotate("template <typename T>\n" 1136 "struct S {\n" 1137 " void foo() const requires Bar<T>;\n" 1138 " void bar() const & requires Baz<T>;\n" 1139 " void bar() && requires Baz2<T>;\n" 1140 " void baz() const & noexcept requires Baz<T>;\n" 1141 " void baz() && noexcept requires Baz2<T>;\n" 1142 "};\n" 1143 "\n" 1144 "void S::bar() const & requires Baz<T> { }"); 1145 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1146 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1147 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1148 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1149 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1150 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1151 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1152 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1153 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1154 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1155 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1156 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1157 1158 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1159 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1160 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1161 1162 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1163 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1164 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1165 1166 Tokens = 1167 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1168 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1169 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1170 1171 Tokens = annotate("void Class::member() && requires(typename " 1172 "Namespace::Outer<T>::Inner::Constant) {}"); 1173 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1174 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1175 1176 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1177 " template<class T>\n" 1178 " requires requires { number_zero_v<T>; }\n" 1179 " [[nodiscard]] constexpr operator T() const { " 1180 "return number_zero_v<T>; }\n" 1181 "};"); 1182 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1183 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1184 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1185 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1186 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1187 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1188 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1189 1190 Tokens = 1191 annotate("template <class A, class B> concept C =" 1192 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1193 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1194 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1195 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1196 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1197 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1198 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1199 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1200 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1201 1202 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1203 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1204 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1205 1206 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1207 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1208 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1209 1210 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1211 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1212 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1213 1214 Tokens = 1215 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1216 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1217 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1218 1219 Tokens = 1220 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1221 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1222 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1223 1224 Tokens = 1225 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1226 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1227 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1228 1229 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1230 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1231 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1232 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1233 1234 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1235 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1236 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1237 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1238 1239 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1240 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1241 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1242 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1243 1244 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1245 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1246 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1247 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1248 1249 Tokens = annotate("void f() & requires(true) {}"); 1250 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1251 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1252 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1253 1254 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1255 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1256 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1257 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1258 1259 Tokens = annotate("template <typename T>\n" 1260 "concept C = (!Foo<T>) && Bar;"); 1261 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1262 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1263 1264 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1265 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1266 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1267 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1268 1269 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1270 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1271 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1272 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1273 1274 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1275 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1276 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1277 1278 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1279 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1280 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1281 1282 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1283 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1284 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1285 } 1286 1287 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1288 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1289 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1290 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1291 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1292 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1293 1294 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1295 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1296 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1297 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1298 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1299 1300 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1301 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1302 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1303 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1304 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1305 1306 Tokens = annotate("foo(requires(const T t) {});"); 1307 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1308 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1309 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1310 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1311 1312 Tokens = annotate("foo(requires(const int t) {});"); 1313 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1314 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1315 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1316 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1317 1318 Tokens = annotate("foo(requires(const T t) {});"); 1319 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1320 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1321 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1322 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1323 1324 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1325 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1326 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1327 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1328 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1329 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1330 1331 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1332 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1333 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1334 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1335 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1336 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1337 1338 Tokens = annotate("foo(requires(T& t) {});"); 1339 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1340 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1341 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1342 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1343 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1344 1345 Tokens = annotate("foo(requires(T&& 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[5], tok::ampamp, TT_PointerOrReference); 1350 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1351 1352 Tokens = annotate("bool foo = requires(T& t) {};"); 1353 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1354 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1355 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1356 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1357 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1358 1359 Tokens = annotate("bool foo = requires(T&& t) {};"); 1360 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1361 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1362 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1363 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1364 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1365 1366 Tokens = 1367 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1368 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1369 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1370 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1371 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1372 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1373 1374 Tokens = annotate("template <typename T>\n" 1375 "concept C = requires(T T) {\n" 1376 " requires Bar<T> && Foo<T>;\n" 1377 "};"); 1378 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1379 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1380 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1381 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1382 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1383 TT_RequiresClauseInARequiresExpression); 1384 1385 Tokens = annotate("template <typename T>\n" 1386 "concept C = requires(T T) {\n" 1387 " { t.func() } -> std::same_as<int>;" 1388 " requires Bar<T> && Foo<T>;\n" 1389 "};"); 1390 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1391 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1392 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1393 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1394 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1395 TT_RequiresClauseInARequiresExpression); 1396 1397 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1398 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1399 "requires true; };"); 1400 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1401 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1402 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1403 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1404 1405 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1406 " { c.foo(); }\n" 1407 "};"); 1408 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1409 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1410 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1411 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1412 } 1413 1414 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1415 // Everything after #pragma region should be ImplicitStringLiteral 1416 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1417 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1418 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1419 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1420 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1421 1422 // Make sure it's annotated correctly inside a function as well 1423 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1424 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1425 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1426 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1427 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1428 } 1429 1430 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1431 const char *BaseCode = nullptr; 1432 const char *ConstrainedCode = nullptr; 1433 auto BaseTokenCount = 0u; 1434 auto RequiresTokenCount = 0u; 1435 auto PrefixTokenCount = 0u; 1436 1437 auto TestRequires = [&](int Line) { 1438 const auto BaseTokens = annotate(BaseCode); 1439 const auto ConstrainedTokens = annotate(ConstrainedCode); 1440 1441 #define LINE " (Line " << Line << ')' 1442 1443 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1444 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1445 << LINE; 1446 1447 for (auto I = 0u; I < BaseTokenCount; ++I) { 1448 EXPECT_EQ( 1449 *BaseTokens[I], 1450 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1451 << I << LINE; 1452 } 1453 1454 #undef LINE 1455 }; 1456 1457 BaseCode = "template<typename T>\n" 1458 "T Pi = 3.14;"; 1459 ConstrainedCode = "template<typename T>\n" 1460 " requires Foo<T>\n" 1461 "T Pi = 3.14;"; 1462 BaseTokenCount = 11; 1463 RequiresTokenCount = 5; 1464 PrefixTokenCount = 5; 1465 TestRequires(__LINE__); 1466 1467 BaseCode = "template<typename T>\n" 1468 "struct Bar;"; 1469 ConstrainedCode = "template<typename T>\n" 1470 " requires Foo<T>\n" 1471 "struct Bar;"; 1472 BaseTokenCount = 9; 1473 TestRequires(__LINE__); 1474 1475 BaseCode = "template<typename T>\n" 1476 "struct Bar {\n" 1477 " T foo();\n" 1478 " T bar();\n" 1479 "};"; 1480 ConstrainedCode = "template<typename T>\n" 1481 " requires Foo<T>\n" 1482 "struct Bar {\n" 1483 " T foo();\n" 1484 " T bar();\n" 1485 "};"; 1486 BaseTokenCount = 21; 1487 TestRequires(__LINE__); 1488 1489 BaseCode = "template<typename T>\n" 1490 "Bar(T) -> Bar<T>;"; 1491 ConstrainedCode = "template<typename T>\n" 1492 " requires Foo<T>\n" 1493 "Bar(T) -> Bar<T>;"; 1494 BaseTokenCount = 16; 1495 TestRequires(__LINE__); 1496 1497 BaseCode = "template<typename T>\n" 1498 "T foo();"; 1499 ConstrainedCode = "template<typename T>\n" 1500 " requires Foo<T>\n" 1501 "T foo();"; 1502 BaseTokenCount = 11; 1503 TestRequires(__LINE__); 1504 1505 BaseCode = "template<typename T>\n" 1506 "T foo() {\n" 1507 " auto bar = baz();\n" 1508 " return bar + T{};\n" 1509 "}"; 1510 ConstrainedCode = "template<typename T>\n" 1511 " requires Foo<T>\n" 1512 "T foo() {\n" 1513 " auto bar = baz();\n" 1514 " return bar + T{};\n" 1515 "}"; 1516 BaseTokenCount = 26; 1517 TestRequires(__LINE__); 1518 1519 BaseCode = "template<typename T>\n" 1520 "T foo();"; 1521 ConstrainedCode = "template<typename T>\n" 1522 "T foo() requires Foo<T>;"; 1523 BaseTokenCount = 11; 1524 PrefixTokenCount = 9; 1525 TestRequires(__LINE__); 1526 1527 BaseCode = "template<typename T>\n" 1528 "T foo() {\n" 1529 " auto bar = baz();\n" 1530 " return bar + T{};\n" 1531 "}"; 1532 ConstrainedCode = "template<typename T>\n" 1533 "T foo() requires Foo<T> {\n" 1534 " auto bar = baz();\n" 1535 " return bar + T{};\n" 1536 "}"; 1537 BaseTokenCount = 26; 1538 TestRequires(__LINE__); 1539 1540 BaseCode = "template<typename T>\n" 1541 "T foo();"; 1542 ConstrainedCode = "template<typename T>\n" 1543 " requires(Foo<T>)\n" 1544 "T foo();"; 1545 BaseTokenCount = 11; 1546 RequiresTokenCount = 7; 1547 PrefixTokenCount = 5; 1548 TestRequires(__LINE__); 1549 1550 BaseCode = "template<typename T>\n" 1551 "Bar(T) -> Bar<typename T::I>;"; 1552 ConstrainedCode = "template<typename T>\n" 1553 " requires requires(T &&t) {\n" 1554 " typename T::I;\n" 1555 " }\n" 1556 "Bar(T) -> Bar<typename T::I>;"; 1557 BaseTokenCount = 19; 1558 RequiresTokenCount = 14; 1559 PrefixTokenCount = 5; 1560 TestRequires(__LINE__); 1561 1562 BaseCode = "struct [[nodiscard]] zero_t {\n" 1563 " template<class T>\n" 1564 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1565 "};"; 1566 ConstrainedCode = 1567 "struct [[nodiscard]] zero_t {\n" 1568 " template<class T>\n" 1569 " requires requires { v<T>; }\n" 1570 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1571 "};"; 1572 BaseTokenCount = 35; 1573 RequiresTokenCount = 9; 1574 PrefixTokenCount = 13; 1575 TestRequires(__LINE__); 1576 1577 BaseCode = "constexpr Foo(Foo const &other)\n" 1578 " : value{other.value} {\n" 1579 " do_magic();\n" 1580 " do_more_magic();\n" 1581 "}"; 1582 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1583 " requires std::is_copy_constructible<T>\n" 1584 " : value{other.value} {\n" 1585 " do_magic();\n" 1586 " do_more_magic();\n" 1587 "}"; 1588 BaseTokenCount = 26; 1589 RequiresTokenCount = 7; 1590 PrefixTokenCount = 8; 1591 TestRequires(__LINE__); 1592 1593 BaseCode = "constexpr Foo(Foo const &other)\n" 1594 " : value{other.value} {\n" 1595 " do_magic();\n" 1596 " do_more_magic();\n" 1597 "}"; 1598 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1599 " requires (std::is_copy_constructible<T>)\n" 1600 " : value{other.value} {\n" 1601 " do_magic();\n" 1602 " do_more_magic();\n" 1603 "}"; 1604 RequiresTokenCount = 9; 1605 TestRequires(__LINE__); 1606 1607 BaseCode = "template<typename T>\n" 1608 "ANNOTATE(\"S\"\n" 1609 " \"S\")\n" 1610 "void foo();"; 1611 ConstrainedCode = "template<typename T>\n" 1612 " requires(true)\n" 1613 "ANNOTATE(\"S\"\n" 1614 " \"S\")\n" 1615 "void foo();"; 1616 BaseTokenCount = 16; 1617 RequiresTokenCount = 4; 1618 PrefixTokenCount = 5; 1619 TestRequires(__LINE__); 1620 } 1621 1622 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1623 auto Tokens = annotate("__asm{\n" 1624 "\"a\":\n" 1625 ": x\n" 1626 ":};"); 1627 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1628 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1629 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1630 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1631 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1632 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1633 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1634 1635 Tokens = annotate("__asm(\n" 1636 "\"a\":\n" 1637 ": x\n" 1638 ":);"); 1639 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1640 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1641 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1642 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1643 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1644 1645 Tokens = annotate("asm volatile (\n" 1646 "\"a_label:\"\n" 1647 ":\n" 1648 ": x\n" 1649 ":);"); 1650 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1651 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1652 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1653 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1654 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1655 1656 Tokens = annotate("__asm__(\n" 1657 "\"a_label:\"\n" 1658 ": x\n" 1659 ":\n" 1660 ": y);"); 1661 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1662 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1663 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1664 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1665 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1666 1667 Tokens = annotate("__asm volatile (\n" 1668 "\"a_label:\"\n" 1669 "\"a b c(%%x)\"\n" 1670 ":\n" 1671 ": x\n" 1672 ":);"); 1673 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1674 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1675 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1676 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1677 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1678 1679 Tokens = annotate("asm(\n" 1680 "\"insn\"\n" 1681 ": \"=r\" (var1), \"=&r\" (value)\n" 1682 ":\n" 1683 ": \"memory\");"); 1684 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1685 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1686 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1687 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1688 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1689 1690 Tokens = annotate("__asm__ volatile (\n" 1691 "\"ldr r1, [r0, %%[sym]]\"\n" 1692 ":\n" 1693 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1694 ");"); 1695 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1696 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1697 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1698 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1699 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1700 } 1701 1702 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1703 auto Tokens = annotate("int (^)() = ^ ()\n" 1704 " external_source_symbol() { //\n" 1705 " return 1;\n" 1706 "};"); 1707 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1708 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1709 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1710 1711 Tokens = annotate("int *p = ^int*(){ //\n" 1712 " return nullptr;\n" 1713 "}();"); 1714 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1715 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1716 1717 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1718 " return a;\n" 1719 "};"); 1720 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1721 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1722 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1723 } 1724 1725 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1726 auto Tokens = annotate("void f() {\n" 1727 " //\n" 1728 " BOOL a = [b.c n] > 1;\n" 1729 "}"); 1730 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1731 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1732 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1733 } 1734 1735 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1736 auto Tokens = annotate("[]() constexpr {}"); 1737 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1738 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1739 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1740 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1741 1742 Tokens = annotate("[]() consteval {}"); 1743 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1744 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1745 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1746 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1747 1748 Tokens = annotate("[]() mutable {}"); 1749 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1750 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1751 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1752 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1753 1754 Tokens = annotate("[]() static {}"); 1755 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1756 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1757 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1758 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1759 1760 Tokens = annotate("[]() -> auto {}"); 1761 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1762 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1763 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1764 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1765 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1766 1767 Tokens = annotate("[]() -> auto & {}"); 1768 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1769 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1770 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1771 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1772 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1773 1774 Tokens = annotate("[]() -> auto * {}"); 1775 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1776 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1777 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1778 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1779 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1780 1781 Tokens = annotate("[] {}"); 1782 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1783 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1784 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1785 1786 Tokens = annotate("[] noexcept {}"); 1787 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1788 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1789 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1790 1791 Tokens = annotate("[] -> auto {}"); 1792 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1793 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1794 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1795 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1796 1797 Tokens = annotate("[] -> struct S { return {}; }"); 1798 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1799 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1800 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1801 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1802 1803 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1804 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1805 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1806 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1807 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1808 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1809 1810 Tokens = annotate("[] <typename T> () {}"); 1811 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1812 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1813 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1814 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1815 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1816 1817 Tokens = annotate("[] <typename T> {}"); 1818 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1819 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1820 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1821 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1822 1823 Tokens = annotate("[] <typename... T> () {}"); 1824 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1825 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1826 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1827 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1828 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1829 1830 Tokens = annotate("[] <typename... T> {}"); 1831 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1832 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1833 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1834 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1835 1836 Tokens = annotate("[] <int... T> () {}"); 1837 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1838 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1839 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1840 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1841 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1842 1843 Tokens = annotate("[] <int... T> {}"); 1844 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1845 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1846 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1847 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1848 1849 Tokens = annotate("[] <Foo... T> () {}"); 1850 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1851 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1852 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1853 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1854 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1855 1856 Tokens = annotate("[] <Foo... T> {}"); 1857 ASSERT_EQ(Tokens.size(), 10u) << 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_brace, TT_LambdaLBrace); 1861 1862 // Lambdas with a requires-clause 1863 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1864 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1865 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1866 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1867 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1868 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1869 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1870 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1871 1872 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1873 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1874 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1875 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1876 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1877 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1878 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1879 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1880 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1881 1882 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1883 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1884 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1885 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1886 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1887 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1888 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1889 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1890 1891 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1892 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1893 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1894 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1895 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1896 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1897 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1898 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1899 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1900 1901 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1902 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1903 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1904 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1905 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1906 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1907 // FIXME: 1908 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1909 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1910 1911 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1912 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1913 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1914 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1915 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1916 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1917 // FIXME: 1918 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1919 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1920 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1921 1922 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1923 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1924 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1925 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1926 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1927 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1928 // FIXME: 1929 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1930 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1931 1932 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1933 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1934 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1935 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1936 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1937 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1938 // FIXME: 1939 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1940 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1941 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1942 1943 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1944 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1945 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1946 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1947 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1948 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1949 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1950 1951 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1952 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1953 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1954 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1955 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1956 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1957 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1958 1959 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1960 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1961 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1962 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1963 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1964 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1965 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1966 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1967 1968 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1969 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1970 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1971 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1972 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1973 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1974 // FIXME: 1975 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1976 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1977 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1978 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1979 1980 Tokens = annotate("[] <typename T = int> (T t) {}"); 1981 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1982 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1983 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1984 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1985 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1986 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1987 1988 Tokens = annotate("[] <int I = 0> (T t) {}"); 1989 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1990 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1991 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1992 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1993 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1994 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1995 1996 Tokens = annotate("[] <bool b = false> (T t) {}"); 1997 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1998 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1999 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2000 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2001 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2002 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2003 2004 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 2005 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2006 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2007 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2008 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 2009 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 2010 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 2011 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 2012 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 2013 2014 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2015 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2016 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2017 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2018 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2019 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2020 // FIXME: 2021 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2022 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2023 } 2024 2025 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2026 auto Tokens = annotate("template <typename T>\n" 2027 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2028 "string OldFunction(const string ¶meter) {}"); 2029 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2030 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2031 2032 Tokens = annotate("template <typename T>\n" 2033 "A(T) noexcept;"); 2034 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2035 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2036 2037 Tokens = annotate("FOO(bar)();"); 2038 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2039 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2040 } 2041 2042 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2043 auto Tokens = annotate("void f [[noreturn]] ();"); 2044 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2045 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2046 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2047 2048 Tokens = annotate("void f [[noreturn]] () {}"); 2049 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2050 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2051 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2052 2053 Tokens = annotate("#define FOO Foo::\n" 2054 "FOO Foo();"); 2055 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2056 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2057 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2058 2059 Tokens = annotate("struct Foo {\n" 2060 " Bar (*func)();\n" 2061 "};"); 2062 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2063 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2064 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2065 2066 Tokens = annotate("void instanceof();"); 2067 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2068 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2069 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2070 2071 Tokens = annotate("int iso_time(time_t);"); 2072 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2073 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2074 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2075 2076 auto Style = getLLVMStyle(); 2077 Style.TypeNames.push_back("MyType"); 2078 Tokens = annotate("int iso_time(MyType);", Style); 2079 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2080 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2081 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2082 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2083 } 2084 2085 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2086 auto Tokens = annotate("class Foo { public: Foo(); };"); 2087 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2088 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2089 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2090 2091 Tokens = annotate("class Foo { public: ~Foo(); };"); 2092 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2093 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2094 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2095 2096 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2097 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2098 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2099 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2100 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2101 2102 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2103 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2104 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2105 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2106 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2107 2108 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2109 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2110 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2111 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2112 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2113 2114 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2115 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2116 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2117 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2118 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2119 2120 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2121 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2122 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2123 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2124 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2125 2126 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2127 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2128 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2129 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2130 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2131 2132 Tokens = annotate("Foo::Foo() {}"); 2133 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2134 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2135 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2136 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2137 2138 Tokens = annotate("Foo::~Foo() {}"); 2139 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2140 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2141 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2142 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2143 2144 Tokens = annotate("struct Test {\n" 2145 " Test()\n" 2146 " : l([] {\n" 2147 " Short::foo();\n" 2148 " }) {}\n" 2149 "};"); 2150 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2151 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2152 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2153 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2154 } 2155 2156 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2157 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2158 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2159 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2160 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2161 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2162 } 2163 2164 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2165 auto Tokens = annotate("auto f() -> int;"); 2166 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2167 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2168 2169 Tokens = annotate("auto operator->() -> int;"); 2170 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2171 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2172 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2173 2174 Tokens = annotate("auto operator++(int) -> int;"); 2175 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2176 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2177 2178 Tokens = annotate("auto operator=() -> int;"); 2179 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2180 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2181 2182 Tokens = annotate("auto operator=(int) -> int;"); 2183 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2184 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2185 2186 Tokens = annotate("auto foo() -> auto { return Val; }"); 2187 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2188 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2189 2190 Tokens = annotate("struct S { auto bar() const -> int; };"); 2191 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2192 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2193 2194 // Not trailing return arrows 2195 Tokens = annotate("auto a = b->c;"); 2196 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2197 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2198 2199 Tokens = annotate("auto a = (b)->c;"); 2200 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2201 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2202 2203 Tokens = annotate("auto a = b()->c;"); 2204 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2205 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2206 2207 Tokens = annotate("auto a = b->c();"); 2208 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2209 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2210 2211 Tokens = annotate("decltype(auto) a = b()->c;"); 2212 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2213 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2214 2215 Tokens = annotate("void f() { auto a = b->c(); }"); 2216 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2217 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2218 2219 Tokens = annotate("void f() { auto a = b()->c; }"); 2220 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2221 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2222 2223 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2224 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2225 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2226 2227 Tokens = annotate("void f() FOO(foo->bar);"); 2228 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2229 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2230 2231 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2232 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2233 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2234 2235 auto Style = getLLVMStyle(); 2236 Style.StatementAttributeLikeMacros.push_back("emit"); 2237 Tokens = annotate("emit foo()->bar;", Style); 2238 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2239 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2240 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2241 2242 // Mixed 2243 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2244 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2245 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2246 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2247 } 2248 2249 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2250 auto Tokens = annotate("#define Foo(Bar) \\\n" 2251 " { \\\n" 2252 " #Bar \\\n" 2253 " }"); 2254 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2255 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2256 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2257 2258 Tokens = annotate("#define Foo(Bar) \\\n" 2259 " { #Bar }"); 2260 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2261 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2262 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2263 2264 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2265 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2266 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2267 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2268 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2269 } 2270 2271 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2272 // '__attribute__' has special handling. 2273 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2274 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2275 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2276 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2277 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2278 2279 // Generic macro has no special handling in this location. 2280 Tokens = annotate("A(X) void Foo(void);"); 2281 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2282 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2283 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2284 2285 // Add a custom AttributeMacro. Test that it has the same behavior. 2286 FormatStyle Style = getLLVMStyle(); 2287 Style.AttributeMacros.push_back("A"); 2288 2289 // An "AttributeMacro" gets annotated like '__attribute__'. 2290 Tokens = annotate("A(X) void Foo(void);", Style); 2291 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2292 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2293 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2294 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2295 } 2296 2297 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2298 // '__attribute__' has special handling. 2299 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2300 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2301 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2302 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2303 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2304 2305 // Generic macro has no special handling in this location. 2306 Tokens = annotate("A(X) @interface Foo"); 2307 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2308 // Note: Don't check token-type as a random token in this position is hard to 2309 // reason about. 2310 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2311 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2312 2313 // Add a custom AttributeMacro. Test that it has the same behavior. 2314 FormatStyle Style = getLLVMStyle(); 2315 Style.AttributeMacros.push_back("A"); 2316 2317 // An "AttributeMacro" gets annotated like '__attribute__'. 2318 Tokens = annotate("A(X) @interface Foo", Style); 2319 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2320 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2321 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2322 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2323 } 2324 2325 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2326 // '__attribute__' has special handling. 2327 auto Tokens = annotate("- (id)init __attribute__((X));"); 2328 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2329 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2330 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2331 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2332 2333 // Generic macro has no special handling in this location. 2334 Tokens = annotate("- (id)init A(X);"); 2335 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2336 // Note: Don't check token-type as a random token in this position is hard to 2337 // reason about. 2338 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2339 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2340 2341 // Add a custom AttributeMacro. Test that it has the same behavior. 2342 FormatStyle Style = getLLVMStyle(); 2343 Style.AttributeMacros.push_back("A"); 2344 2345 // An "AttributeMacro" gets annotated like '__attribute__'. 2346 Tokens = annotate("- (id)init A(X);", Style); 2347 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2348 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2349 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2350 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2351 } 2352 2353 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2354 // '__attribute__' has special handling. 2355 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2356 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2357 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2358 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2359 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2360 2361 // Generic macro has no special handling in this location. 2362 Tokens = annotate("@property(weak) id delegate A(X);"); 2363 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2364 // Note: Don't check token-type as a random token in this position is hard to 2365 // reason about. 2366 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2367 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2368 2369 // Add a custom AttributeMacro. Test that it has the same behavior. 2370 FormatStyle Style = getLLVMStyle(); 2371 Style.AttributeMacros.push_back("A"); 2372 2373 // An "AttributeMacro" gets annotated like '__attribute__'. 2374 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2375 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2376 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2377 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2378 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2379 } 2380 2381 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2382 auto Annotate = [this](StringRef Code) { 2383 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2384 }; 2385 // Test that unary operators get labeled as such and that operators like '++' 2386 // don't get split. 2387 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2388 tok::tilde, tok::amp, tok::pipe, 2389 tok::caret, tok::plusplus, tok::minusminus}; 2390 for (auto Kind : Unary) { 2391 auto Tokens = 2392 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2393 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2394 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2395 } 2396 // Operators formed by joining two operators like '^~'. For some of these 2397 // joined operators, we don't have a separate type, so we only test for their 2398 // precedence. 2399 std::pair<prec::Level, std::string> JoinedBinary[] = { 2400 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2401 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2402 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2403 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2404 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2405 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2406 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2407 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2408 {prec::Equality, "!="}, {prec::Equality, "==="}, 2409 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2410 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2411 {prec::ExclusiveOr, "^~"}, 2412 }; 2413 for (auto Operator : JoinedBinary) { 2414 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2415 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2416 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2417 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2418 } 2419 // '~^' and '^~' can be unary as well as binary operators. 2420 auto Tokens = Annotate("x = ~^x;"); 2421 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2422 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2423 Tokens = Annotate("x = ^~x;"); 2424 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2425 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2426 // The unary operators '~&' and '~|' can only be unary operators. The current 2427 // implementation treats each of them as separate unary '~' and '&' or '|' 2428 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2429 // there is a test that there is no space in between. And even if a new line 2430 // is inserted between the '~' and '|', the semantic meaning is the same as 2431 // the joined operator, so the CanBreakBefore property doesn't need to be 2432 // false for the second operator. 2433 Tokens = Annotate("x = ~&x;"); 2434 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2435 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2436 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2437 Tokens = Annotate("x = ~|x;"); 2438 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2439 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2440 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2441 // Test for block label colons. 2442 Tokens = Annotate("begin : x\n" 2443 "end : x"); 2444 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2445 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2446 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2447 // Test that the dimension colon is annotated correctly. 2448 Tokens = Annotate("var [1 : 0] x;"); 2449 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2450 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2451 Tokens = Annotate("extern function [1 : 0] x;"); 2452 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2453 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2454 Tokens = Annotate("module test\n" 2455 " (input wire [7 : 0] a[7 : 0]);\n" 2456 "endmodule"); 2457 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2458 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2459 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2460 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2461 // Test case labels and ternary operators. 2462 Tokens = Annotate("case (x)\n" 2463 " x:\n" 2464 " x;\n" 2465 "endcase"); 2466 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2467 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2468 Tokens = Annotate("case (x)\n" 2469 " x ? x : x:\n" 2470 " x;\n" 2471 "endcase"); 2472 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2473 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2474 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2475 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2476 // Non-blocking assignments. 2477 Tokens = Annotate("a <= b;"); 2478 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2479 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2480 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2481 Tokens = Annotate("if (a <= b) break;"); 2482 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2483 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2484 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2485 Tokens = Annotate("a <= b <= a;"); 2486 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2487 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2488 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2489 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2490 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2491 2492 // Port lists in module instantiation. 2493 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2494 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2495 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2496 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2497 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2498 "instance_2(port_2);"); 2499 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2500 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2501 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2502 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2503 2504 // Condition parentheses. 2505 Tokens = Annotate("assert (x);"); 2506 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2507 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2508 Tokens = Annotate("assert #0 (x);"); 2509 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2510 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2511 Tokens = Annotate("assert final (x);"); 2512 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2513 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2514 Tokens = Annotate("foreach (x[x]) continue;"); 2515 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2516 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2517 Tokens = Annotate("repeat (x[x]) continue;"); 2518 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2519 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2520 Tokens = Annotate("case (x) endcase;"); 2521 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2522 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2523 2524 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2525 // future, please adapt if those tokens get annotated. This test is only here 2526 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2527 Tokens = Annotate("always @(posedge x, posedge y);"); 2528 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2529 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2530 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2531 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2532 2533 // String literals in concatenation. 2534 Tokens = Annotate("x = {\"\"};"); 2535 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2536 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2537 Tokens = Annotate("x = {\"\", \"\"};"); 2538 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2539 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2540 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2541 Tokens = Annotate("x = '{{\"\"}};"); 2542 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2543 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2544 // Cases where the string should not be annotated that type. Fix the 2545 // `TT_Unknown` if needed in the future. 2546 Tokens = Annotate("x = {\"\" == \"\"};"); 2547 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2548 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2549 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2550 Tokens = Annotate("x = {(\"\")};"); 2551 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2552 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2553 Tokens = Annotate("x = '{\"\"};"); 2554 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2555 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2556 } 2557 2558 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2559 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2560 ASSERT_TRUE(Style.isTableGen()); 2561 2562 TestLexer Lexer(Allocator, Buffers, Style); 2563 AdditionalKeywords Keywords(Lexer.IdentTable); 2564 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2565 2566 // Additional keywords representation test. 2567 auto Tokens = Annotate("def foo : Bar<1>;"); 2568 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2569 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2570 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2571 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2572 2573 // Code, the multiline string token. 2574 Tokens = Annotate("[{ code is multiline string }]"); 2575 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2576 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2577 EXPECT_FALSE(Tokens[0]->IsMultiline); 2578 // Case with multiple lines. 2579 Tokens = Annotate("[{ It can break\n" 2580 " across lines and the line breaks\n" 2581 " are retained in \n" 2582 " the string. }]"); 2583 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2584 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2585 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2586 EXPECT_TRUE(Tokens[0]->IsMultiline); 2587 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2588 2589 // Numeric literals. 2590 Tokens = Annotate("1234"); 2591 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2592 Tokens = Annotate("-1"); 2593 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2594 Tokens = Annotate("+1234"); 2595 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2596 Tokens = Annotate("0b0110"); 2597 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2598 Tokens = Annotate("0x1abC"); 2599 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2600 2601 // Identifier tokens. In TableGen, identifiers can begin with a number. 2602 // In ambiguous cases, the lexer tries to lex it as a number. 2603 // Even if the try fails, it does not fall back to identifier lexing and 2604 // regard as an error. 2605 // The ambiguity is not documented. The result of those tests are based on the 2606 // implementation of llvm::TGLexer::LexToken. 2607 // This is invalid syntax of number, but not an identifier. 2608 Tokens = Annotate("0x1234x"); 2609 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2610 Tokens = Annotate("identifier"); 2611 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2612 // Identifier beginning with a number. 2613 Tokens = Annotate("0x"); 2614 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2615 Tokens = Annotate("2dVector"); 2616 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2617 Tokens = Annotate("01234Vector"); 2618 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2619 2620 // Structured statements. 2621 Tokens = Annotate("class Foo {}"); 2622 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2623 Tokens = Annotate("def Def: Foo {}"); 2624 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2625 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2626 Tokens = Annotate("if cond then {} else {}"); 2627 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2628 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2629 Tokens = Annotate("defset Foo Def2 = {}"); 2630 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2631 2632 // Bang Operators. 2633 Tokens = Annotate("!foreach"); 2634 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2635 Tokens = Annotate("!if"); 2636 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2637 Tokens = Annotate("!cond"); 2638 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2639 2640 auto AnnotateValue = [this, &Style](StringRef Code) { 2641 // Values are annotated only in specific context. 2642 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2643 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2644 }; 2645 // Both of bang/cond operators. 2646 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2647 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2648 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2649 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2650 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2651 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2652 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2653 // DAGArg values with operator identifier 2654 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2655 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2656 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2657 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2658 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2659 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2660 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2661 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2662 // List literal 2663 Tokens = AnnotateValue("[1, 2, 3]"); 2664 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2665 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2666 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2667 // Suffixes of values 2668 Tokens = AnnotateValue("valid.field"); 2669 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2670 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2671 // Code 2672 Tokens = AnnotateValue("[{ code is multiline string }]"); 2673 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2674 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2675 2676 // The definition 2677 Tokens = annotate("def Def : Parent<Child> {}", Style); 2678 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2679 // We use inheritance colon and function brace. They are enough. 2680 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2681 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2682 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2683 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2684 2685 // DAGArg breaking options. They use different token types depending on what 2686 // is specified. 2687 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2688 2689 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2690 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2691 // elements to have line break. 2692 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2693 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2694 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2695 EXPECT_TOKEN(Tokens[1], tok::identifier, 2696 TT_TableGenDAGArgOperatorID); // ins 2697 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2698 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2699 2700 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2701 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2702 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2703 EXPECT_TOKEN(Tokens[1], tok::identifier, 2704 TT_TableGenDAGArgOperatorID); // other 2705 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2706 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2707 2708 // For non-identifier operators, breaks after the operator. 2709 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2710 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2711 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2712 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2713 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2714 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2715 2716 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2717 2718 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2719 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2720 // to have line break inside it. 2721 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2722 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2723 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2724 EXPECT_TOKEN(Tokens[1], tok::identifier, 2725 TT_TableGenDAGArgOperatorToBreak); // ins 2726 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2727 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2728 2729 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2730 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2731 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2732 EXPECT_TOKEN(Tokens[1], tok::identifier, 2733 TT_TableGenDAGArgOperatorToBreak); // other 2734 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2735 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2736 2737 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2738 // specified operators. 2739 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2740 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2741 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2742 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2743 EXPECT_TOKEN(Tokens[1], tok::identifier, 2744 TT_TableGenDAGArgOperatorToBreak); // ins 2745 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2746 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2747 2748 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2749 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2750 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2751 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2752 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2753 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2754 2755 // If TableGenBreakingDAGArgOperators is enabled, it uses 2756 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2757 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2758 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2759 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2760 EXPECT_TOKEN(Tokens[1], tok::identifier, 2761 TT_TableGenDAGArgOperatorToBreak); // ins 2762 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2763 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2764 2765 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2766 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2767 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2768 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2769 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2770 } 2771 2772 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2773 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2774 2775 // The TT_Unknown is clearly not binding for the future, please adapt if those 2776 // tokens get annotated. 2777 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2778 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2779 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2780 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2781 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2782 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2783 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2784 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2785 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2786 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2787 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2788 2789 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2790 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2791 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2792 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2793 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2794 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2795 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2796 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2797 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2798 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2799 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2800 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2801 2802 Tokens = annotate("class Class {\n" 2803 " Class() : BaseClass() {\n" 2804 "#if 0\n" 2805 " // comment\n" 2806 "#endif\n" 2807 " }\n" 2808 " Class f();\n" 2809 "}"); 2810 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2811 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2812 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2813 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2814 } 2815 2816 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2817 auto Tokens = annotate("if (x) {}"); 2818 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2819 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2820 Tokens = annotate("if constexpr (x) {}"); 2821 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2822 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2823 Tokens = annotate("if CONSTEXPR (x) {}"); 2824 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2825 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2826 Tokens = annotate("if (x) {} else if (x) {}"); 2827 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2828 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2829 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2830 } 2831 2832 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2833 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2834 2835 auto Tokens = annotate("int? a;", Style); 2836 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2837 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2838 2839 Tokens = annotate("int? a = 1;", Style); 2840 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2841 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2842 2843 Tokens = annotate("int?)", Style); 2844 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2845 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2846 2847 Tokens = annotate("int?>", Style); 2848 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2849 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2850 2851 Tokens = annotate("cond? id : id2", Style); 2852 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2853 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2854 2855 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2856 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2857 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2858 } 2859 2860 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2861 auto Tokens = annotate("{ x: break; }"); 2862 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2863 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2864 2865 Tokens = annotate("{ case x: break; }"); 2866 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2867 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2868 2869 Tokens = annotate("{ x: { break; } }"); 2870 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2871 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2872 2873 Tokens = annotate("{ case x: { break; } }"); 2874 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2875 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2876 2877 Tokens = annotate("#define FOO label:"); 2878 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2879 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2880 2881 Tokens = annotate("#define FOO \\\n" 2882 "label: \\\n" 2883 " break;"); 2884 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2885 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2886 } 2887 2888 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2889 // The closing braces are not annotated. It doesn't seem to cause a problem. 2890 // So we only test for the opening braces. 2891 auto Tokens = annotate("{\n" 2892 " {\n" 2893 " { int a = 0; }\n" 2894 " }\n" 2895 " {}\n" 2896 "}"); 2897 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2898 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2899 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2900 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2901 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2902 } 2903 2904 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2905 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2906 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2907 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2908 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2909 2910 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2911 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2912 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2913 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2914 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2915 2916 Tokens = annotate("SomeStruct {\n" 2917 "#ifdef FOO\n" 2918 " .a = 1,\n" 2919 "#endif\n" 2920 " .b = 2\n" 2921 "};"); 2922 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2923 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2924 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2925 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2926 2927 Tokens = annotate("SomeStruct {\n" 2928 "#if defined FOO\n" 2929 " .a = 1,\n" 2930 "#endif\n" 2931 " .b = 2\n" 2932 "};"); 2933 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2934 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2935 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2936 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2937 2938 Tokens = annotate("Foo foo[] = {[0]{}};"); 2939 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2940 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2941 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2942 } 2943 2944 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2945 auto Annotate = [this](StringRef Code) { 2946 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2947 }; 2948 2949 // Dictionary. 2950 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2951 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2952 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2953 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2954 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2955 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2956 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2957 // Change when we need to annotate these. 2958 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2959 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2960 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2961 } 2962 2963 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2964 auto Tokens = annotate("bool foo __attribute__((unused));"); 2965 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2966 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2967 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2968 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2969 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2970 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2971 2972 Tokens = annotate("bool foo __declspec(dllimport);"); 2973 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2974 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2975 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2976 2977 Tokens = annotate("bool __attribute__((unused)) foo;"); 2978 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2979 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2980 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2981 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2982 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2983 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2984 2985 Tokens = annotate("void __attribute__((x)) Foo();"); 2986 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2987 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2988 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2989 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2990 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2991 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2992 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2993 2994 FormatStyle Style = getLLVMStyle(); 2995 Style.AttributeMacros.push_back("FOO"); 2996 Tokens = annotate("bool foo FOO(unused);", Style); 2997 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2998 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2999 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3000 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3001 } 3002 3003 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 3004 auto Tokens = annotate("while (true) {}"); 3005 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3006 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3007 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3008 3009 Tokens = annotate("for (;;) {}"); 3010 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3011 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 3012 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 3013 3014 Tokens = annotate("do {} while (true);"); 3015 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3016 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3017 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3018 3019 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3020 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3021 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3022 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3023 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3024 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3025 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3026 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3027 3028 Tokens = annotate("switch (foo) {}"); 3029 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3030 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3031 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3032 } 3033 3034 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3035 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3036 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3037 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3038 3039 Tokens = annotate("do ++i; while ( i > 5 );"); 3040 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3041 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3042 } 3043 3044 TEST_F(TokenAnnotatorTest, StartOfName) { 3045 auto Tokens = annotate("#pragma clang diagnostic push"); 3046 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3047 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3048 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3049 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3050 3051 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3052 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3053 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3054 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3055 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3056 3057 Tokens = annotate("#define FOO Foo foo"); 3058 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3059 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3060 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3061 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3062 3063 Tokens = annotate("@interface NSCoder (TestCoder)"); 3064 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3065 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3066 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3067 3068 auto Style = getLLVMStyle(); 3069 Style.StatementAttributeLikeMacros.push_back("emit"); 3070 Tokens = annotate("emit foo = 0;", Style); 3071 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3072 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3073 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3074 } 3075 3076 TEST_F(TokenAnnotatorTest, BraceKind) { 3077 auto Tokens = annotate("void f() {};"); 3078 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3079 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3080 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3081 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3082 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3083 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3084 3085 Tokens = annotate("class Foo<int> f() {}"); 3086 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3087 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3088 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3089 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3090 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3091 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3092 3093 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3094 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3095 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3096 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3097 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3098 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3099 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3100 3101 Tokens = annotate("void f() override {};"); 3102 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3103 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3104 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3105 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3106 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3107 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3108 3109 Tokens = annotate("void f() noexcept(false) {};"); 3110 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3111 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3112 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3113 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3114 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3115 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3116 3117 Tokens = annotate("auto f() -> void {};"); 3118 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3119 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3120 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3121 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3122 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3123 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3124 3125 Tokens = annotate("void f() { /**/ };"); 3126 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3127 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3128 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3129 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3130 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3131 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3132 3133 Tokens = annotate("void f() { //\n" 3134 "};"); 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[4], tok::l_brace, TT_FunctionLBrace); 3139 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3140 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3141 3142 Tokens = annotate("void f() {\n" 3143 " //\n" 3144 "};"); 3145 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3146 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3147 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3148 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3149 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3150 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3151 3152 Tokens = annotate("struct Foo {\n" 3153 " Foo() {};\n" 3154 " ~Foo() {};\n" 3155 "};"); 3156 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3157 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3158 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3159 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3160 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3161 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3162 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3163 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3164 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3165 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3166 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3167 3168 Tokens = annotate("{\n" 3169 " char *a[] = {\n" 3170 " /* abc */ \"abc\",\n" 3171 "#if FOO\n" 3172 " /* xyz */ \"xyz\",\n" 3173 "#endif\n" 3174 " /* last */ \"last\"};\n" 3175 "}"); 3176 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3177 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3178 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3179 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3180 3181 Tokens = 3182 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3183 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3184 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3185 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3186 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3187 3188 Tokens = annotate("struct {};"); 3189 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3190 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3191 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3192 3193 Tokens = annotate("struct : Base {};"); 3194 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3195 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3196 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3197 3198 Tokens = annotate("struct Foo {};"); 3199 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3200 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3201 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3202 3203 Tokens = annotate("struct ::Foo {};"); 3204 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3205 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3206 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3207 3208 Tokens = annotate("struct NS::Foo {};"); 3209 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3210 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3211 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3212 3213 Tokens = annotate("struct Foo<int> {};"); 3214 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3215 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3216 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3217 3218 Tokens = annotate("struct Foo<int>::Bar {};"); 3219 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3220 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3221 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3222 3223 Tokens = annotate("struct Foo<int> : Base {};"); 3224 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3225 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3226 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3227 3228 Tokens = annotate("struct Foo final {};"); 3229 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3230 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3231 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3232 3233 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3234 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3235 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3236 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3237 3238 Tokens = annotate("struct Foo x{};"); 3239 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3240 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3241 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3242 3243 Tokens = annotate("struct ::Foo x{};"); 3244 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3245 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3246 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3247 3248 Tokens = annotate("struct NS::Foo x{};"); 3249 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3250 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3251 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3252 3253 Tokens = annotate("struct Foo<int> x{};"); 3254 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3255 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3256 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3257 3258 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3259 "#else\n" 3260 "#endif\n" 3261 "class RenderingServer : Object {\n" 3262 "#ifndef DISABLE_DEPRECATED\n" 3263 " enum Features {\n" 3264 " FEATURE_SHADERS,\n" 3265 " FEATURE_MULTITHREADED,\n" 3266 " };\n" 3267 "#endif\n" 3268 "};"); 3269 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3270 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3271 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3272 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3273 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3274 3275 Tokens = annotate("{\n" 3276 "#define M(x) \\\n" 3277 " return {#x};\n" 3278 "}"); 3279 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3280 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3281 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3282 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3283 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3284 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3285 3286 Tokens = annotate("a = class extends goog.a {};", 3287 getGoogleStyle(FormatStyle::LK_JavaScript)); 3288 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3289 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3290 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3291 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3292 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3293 3294 Tokens = annotate("a = class Foo extends goog.a {};", 3295 getGoogleStyle(FormatStyle::LK_JavaScript)); 3296 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3297 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_ClassLBrace); 3298 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3299 EXPECT_TOKEN(Tokens[9], tok::r_brace, TT_ClassRBrace); 3300 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3301 3302 Tokens = annotate("#define FOO(X) \\\n" 3303 " struct X##_tag_ {};"); 3304 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3305 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3306 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3307 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3308 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3309 3310 Tokens = annotate("#define MACRO \\\n" 3311 " struct hash<type> { \\\n" 3312 " void f() { return; } \\\n" 3313 " };"); 3314 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3315 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3316 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3317 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3318 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3319 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3320 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3321 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3322 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3323 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3324 3325 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3326 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3327 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3328 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3329 } 3330 3331 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3332 auto Tokens = annotate("auto foo() -> enum En {}"); 3333 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3334 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3335 } 3336 3337 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3338 auto Tokens = annotate("{\n" 3339 " {\n" 3340 " foo();\n" 3341 " }\n" 3342 "}"); 3343 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3344 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3345 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3346 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3347 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3348 3349 Tokens = annotate("void bar() {\n" 3350 " {\n" 3351 " foo();\n" 3352 " }\n" 3353 "}"); 3354 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3355 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3356 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3357 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3358 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3359 3360 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3361 getLLVMStyle(FormatStyle::LK_ObjC)); 3362 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3363 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3364 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3365 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3366 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3367 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3368 } 3369 3370 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3371 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3372 auto Tokens = annotate("i = switch (day) {\n" 3373 " case THURSDAY, SATURDAY -> 8;\n" 3374 " case WEDNESDAY -> 9;\n" 3375 " default -> 1;\n" 3376 "};", 3377 Style); 3378 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3379 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3380 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3381 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3382 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3383 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3384 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3385 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3386 } 3387 3388 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3389 auto Tokens = annotate("a = b and c;"); 3390 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3391 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3392 3393 Tokens = annotate("a = b and_eq c;"); 3394 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3395 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3396 3397 Tokens = annotate("a = b bitand c;"); 3398 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3399 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3400 3401 Tokens = annotate("a = b bitor c;"); 3402 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3403 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3404 3405 Tokens = annotate("a = b compl c;"); 3406 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3407 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3408 3409 Tokens = annotate("a = b not c;"); 3410 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3411 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3412 3413 Tokens = annotate("a = b not_eq c;"); 3414 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3415 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3416 3417 Tokens = annotate("a = b or c;"); 3418 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3419 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3420 3421 Tokens = annotate("a = b or_eq c;"); 3422 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3423 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3424 3425 Tokens = annotate("a = b xor c;"); 3426 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3427 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3428 3429 Tokens = annotate("a = b xor_eq c;"); 3430 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3431 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3432 3433 Tokens = annotate("xor = foo;"); 3434 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3435 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3436 3437 Tokens = annotate("int xor = foo;"); 3438 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3439 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3440 } 3441 3442 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3443 auto Tokens = 3444 annotate("Foo::Foo(int x, int y) try\n" 3445 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3446 "} catch (...) {\n" 3447 "}"); 3448 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3449 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3450 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3451 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3452 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3453 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3454 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3455 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3456 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3457 } 3458 3459 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3460 auto Style = getLLVMStyle(); 3461 Style.TypenameMacros.push_back("STRUCT"); 3462 3463 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3464 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3465 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3466 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3467 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3468 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3469 } 3470 3471 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3472 auto Style = getGNUStyle(); 3473 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3474 3475 auto Tokens = annotate("return 1 <=> 2;", Style); 3476 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3477 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3478 } 3479 3480 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3481 auto Style = getLLVMStyle(); 3482 Style.ColumnLimit = 20; 3483 3484 auto Tokens = annotate("class foo {\n" 3485 " auto bar()\n" 3486 " -> bool;\n" 3487 "};", 3488 Style); 3489 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3490 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3491 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3492 } 3493 3494 } // namespace 3495 } // namespace format 3496 } // namespace clang 3497