1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public testing::Test { 28 protected: 29 TokenList annotate(StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_SPLIT_PENALTY(FormatTok, Penalty) \ 46 EXPECT_EQ(FormatTok->SplitPenalty, Penalty) << *(FormatTok) 47 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 48 do { \ 49 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 50 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 51 } while (false) 52 53 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 54 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 55 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 56 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 57 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 59 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 60 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 61 62 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 63 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 64 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 65 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 66 67 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 68 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 69 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 70 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 72 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 73 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 74 75 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 76 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 77 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 78 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 79 80 Tokens = annotate("void f() {\n" 81 " while (p < a && *p == 'a')\n" 82 " p++;\n" 83 "}"); 84 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 85 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 86 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 87 88 Tokens = annotate("case *x:"); 89 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 90 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 91 Tokens = annotate("case &x:"); 92 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 93 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 94 95 Tokens = annotate("bool b = 3 == int{3} && true;"); 96 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 97 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 98 99 Tokens = annotate("struct {\n" 100 "} *ptr;"); 101 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 102 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 103 Tokens = annotate("union {\n" 104 "} *ptr;"); 105 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 106 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 107 Tokens = annotate("class {\n" 108 "} *ptr;"); 109 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 110 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 111 112 Tokens = annotate("struct {\n" 113 "} &&ptr = {};"); 114 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 115 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 116 Tokens = annotate("union {\n" 117 "} &&ptr = {};"); 118 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 119 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 120 Tokens = annotate("class {\n" 121 "} &&ptr = {};"); 122 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 123 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 124 Tokens = annotate("int i = int{42} * 2;"); 125 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 126 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 127 128 Tokens = annotate("delete[] *ptr;"); 129 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 130 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 131 Tokens = annotate("delete[] **ptr;"); 132 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 133 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 134 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 135 Tokens = annotate("delete[] *(ptr);"); 136 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 137 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 138 139 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 141 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 142 // FIXME: The star of a function pointer probably makes more sense as 143 // TT_PointerOrReference. 144 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 145 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 146 147 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 148 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 149 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 150 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 151 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 152 153 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 154 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 155 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 156 157 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 158 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 159 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 160 161 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 162 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 163 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 164 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 165 166 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 167 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 168 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 169 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 170 171 Tokens = annotate("Type1 &val1 = val2;"); 172 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 173 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 174 175 Tokens = annotate("Type1 *val1 = &val2;"); 176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 177 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 178 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 179 180 Tokens = annotate("val1 & val2;"); 181 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 182 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 183 184 Tokens = annotate("val1 & val2.member;"); 185 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 186 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 187 188 Tokens = annotate("val1 & val2.*member;"); 189 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 190 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 191 192 Tokens = annotate("val1.*member & val2;"); 193 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 194 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 195 196 Tokens = annotate("val1 & val2->*member;"); 197 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 198 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 199 200 Tokens = annotate("val1->member & val2;"); 201 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 202 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 203 204 Tokens = annotate("val1 & val2 & val3;"); 205 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 206 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 207 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 208 209 Tokens = annotate("val1 & val2 // comment\n" 210 " & val3;"); 211 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 212 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 213 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 214 215 Tokens = 216 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 217 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 218 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 220 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 221 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 222 223 Tokens = annotate("class c {\n" 224 " void func(type &a) { a & member; }\n" 225 " anotherType &member;\n" 226 "}"); 227 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 228 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 229 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 230 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 231 232 Tokens = annotate("struct S {\n" 233 " auto Mem = C & D;\n" 234 "}"); 235 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 236 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 237 238 Tokens = 239 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 240 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 241 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 242 243 Tokens = annotate("template <typename T> struct S {\n" 244 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 245 "};"); 246 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 247 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 248 249 Tokens = annotate("template <bool B = C && D> struct S {};"); 250 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 251 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 252 253 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 254 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 255 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 256 257 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 258 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 259 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 260 261 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 262 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 263 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 264 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 265 266 Tokens = annotate("Foo<A && B> a = {};"); 267 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 268 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 269 270 Tokens = annotate("Foo<A &&> a = {};"); 271 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 272 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 273 274 Tokens = annotate("template <typename T>\n" 275 "enable_if_t<is_integral_v<T>, bool> // comment\n" 276 "operator~(T &a);"); 277 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 278 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 279 280 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 281 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 282 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 283 284 Tokens = 285 annotate("auto foo() noexcept(noexcept(bar()) && " 286 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 287 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 288 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 289 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 290 291 Tokens = annotate("foo = *i < *j && *j > *k;"); 292 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 293 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 294 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 295 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 296 297 Tokens = annotate("if (Foo *foo; bar)"); 298 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 299 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 300 301 Tokens = annotate("if (Foo **foo(); bar)"); 302 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 303 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 304 EXPECT_TOKEN(Tokens[4], tok::star, TT_PointerOrReference); 305 306 Tokens = annotate("if (Foo *&foo{a}; bar)"); 307 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 308 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 309 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 310 311 FormatStyle Style = getLLVMStyle(); 312 Style.TypeNames.push_back("MYI"); 313 Tokens = annotate("if (MYI *p{nullptr})", Style); 314 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 315 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 316 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 317 318 Style.TypeNames.push_back("Class"); 319 Tokens = annotate("if (Class *obj {getObj()})", Style); 320 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 321 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 322 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 323 324 Tokens = annotate("class Foo {\n" 325 " void operator<() {}\n" 326 " Foo &f;\n" 327 "};"); 328 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 329 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 330 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 331 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 332 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 333 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 334 335 Tokens = annotate("if (new && num) {\n" 336 " new = 1;\n" 337 "}\n" 338 "if (!delete && num) {\n" 339 " delete = 1;\n" 340 "}"); 341 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 342 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 343 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 344 345 Tokens = annotate("#define FOO \\\n" 346 " void foo() { f(a * b); }"); 347 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 348 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 349 350 Tokens = annotate("for (int i; Foo *&foo : foos)"); 351 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 352 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 353 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 354 EXPECT_TOKEN(Tokens[9], tok::colon, TT_RangeBasedForLoopColon); 355 356 Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };"); 357 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 358 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 359 360 Tokens = annotate("namespace {\n" 361 "#define FOO(x) void foo(a##x *b);\n" 362 "}"); 363 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 364 EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference); 365 } 366 367 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 368 auto Tokens = annotate("x - 0"); 369 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 370 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 371 Tokens = annotate("0 + 0"); 372 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 373 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 374 Tokens = annotate("x + +0"); 375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 376 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 377 Tokens = annotate("x ? -0 : +0"); 378 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 379 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 380 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 381 Tokens = annotate("(-0)"); 382 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 383 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 384 Tokens = annotate("0, -0"); 385 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 386 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 387 Tokens = annotate("for (; -1;) {\n}"); 388 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 389 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 390 Tokens = annotate("x = -1;"); 391 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 392 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 393 Tokens = annotate("x[-1]"); 394 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 395 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 396 Tokens = annotate("x = {-1};"); 397 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 398 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 399 Tokens = annotate("case -x:"); 400 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 401 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 402 Tokens = annotate("co_await -x;"); 403 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 404 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 405 Tokens = annotate("co_return -x;"); 406 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 407 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 408 Tokens = annotate("co_yield -x;"); 409 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 410 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 411 Tokens = annotate("delete -x;"); 412 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 413 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 414 Tokens = annotate("return -x;"); 415 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 416 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 417 Tokens = annotate("throw -x;"); 418 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 419 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 420 Tokens = annotate("sizeof -x"); 421 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 422 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 423 Tokens = annotate("co_await +x;"); 424 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 425 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 426 Tokens = annotate("co_return +x;"); 427 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 428 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 429 Tokens = annotate("co_yield +x;"); 430 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 431 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 432 Tokens = annotate("delete +x;"); 433 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 434 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 435 Tokens = annotate("return +x;"); 436 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 437 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 438 Tokens = annotate("throw +x;"); 439 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 440 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 441 Tokens = annotate("sizeof +x"); 442 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 443 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 444 Tokens = annotate("(int)-x"); 445 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 446 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 447 Tokens = annotate("(-x)"); 448 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 449 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 450 Tokens = annotate("!+x"); 451 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 452 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 453 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 454 } 455 456 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 457 auto Tokens = annotate("class C {};"); 458 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 459 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 460 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 461 462 Tokens = annotate("const class C {} c;"); 463 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 464 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 465 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 466 467 Tokens = annotate("const class {} c;"); 468 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 469 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 470 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 471 472 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 473 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 474 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 475 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 476 } 477 478 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 479 auto Tokens = annotate("struct S {};"); 480 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 481 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 482 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 483 484 Tokens = annotate("struct macro(a) S {};"); 485 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 486 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 487 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 488 489 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 490 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 491 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 492 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 493 494 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 495 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 496 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 497 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 498 499 Tokens = annotate("struct macro(a) S {\n" 500 " void f(T &t);\n" 501 "};"); 502 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 503 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 504 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 505 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 506 507 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 508 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 509 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 510 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 511 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 512 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 513 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 514 515 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 516 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 517 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 518 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 519 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 520 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 521 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 522 523 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 524 " void f(T const (&a)[n]);\n" 525 "};"); 526 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 527 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 528 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 529 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 530 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 531 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 532 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 533 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 534 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 535 536 Tokens = annotate("template <typename T, enum E e> struct S {};"); 537 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 538 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 539 540 auto Style = getLLVMStyle(); 541 Style.AttributeMacros.push_back("EXPORT"); 542 Tokens = annotate("struct EXPORT StructName {};", Style); 543 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 544 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 545 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 546 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 547 } 548 549 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 550 auto Tokens = annotate("union U {};"); 551 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 552 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 553 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 554 555 Tokens = annotate("union U { void f() { return; } };"); 556 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 557 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 558 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 559 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 560 } 561 562 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 563 auto Tokens = annotate("enum E {};"); 564 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 565 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 566 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 567 } 568 569 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 570 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 571 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 572 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 573 574 Tokens = annotate("template <typename T> void F(T) && = delete;"); 575 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 576 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 577 } 578 579 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 580 auto Tokens = 581 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 582 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 583 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 584 } 585 586 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 587 auto Tokens = 588 annotate("template <typename T> " 589 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 590 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 591 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 592 } 593 594 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 595 auto Tokens = 596 annotate("#define FOO(typeName) \\\n" 597 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 598 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 599 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 600 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 601 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 602 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 603 } 604 605 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 606 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 607 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 608 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 609 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 610 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 611 } 612 613 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 614 // IsExpression = false 615 auto Tokens = annotate("foo<true ? 1 : 2>();"); 616 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 617 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 618 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 619 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 620 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 621 622 // IsExpression = true 623 624 Tokens = annotate("return foo<true ? 1 : 2>();"); 625 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 626 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 627 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 628 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 629 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 630 631 Tokens = annotate("return foo<true ? 1 : 2>{};"); 632 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 633 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 634 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 635 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 636 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 637 } 638 639 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 640 auto Tokens = annotate("return a < b && c > d;"); 641 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 642 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 643 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 644 645 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 646 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 647 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 648 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 649 650 Tokens = annotate("return A < B ? true : A > B;"); 651 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 652 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 653 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 654 655 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 656 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 657 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 658 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 659 660 Tokens = annotate("return checklower ? a < b : a > b;"); 661 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 662 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 663 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 664 665 Tokens = annotate("return A < B ^ A > B;"); 666 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 667 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 668 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 669 670 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 671 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 672 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 673 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 674 } 675 676 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 677 auto Tokens = annotate("template <template <typename...> typename X,\n" 678 " template <typename...> class Y,\n" 679 " typename... T>\n" 680 "class A {};"); 681 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 682 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 683 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 684 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 685 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 686 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 687 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 688 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 689 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 690 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 691 } 692 693 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 694 FormatStyle Style = getLLVMStyle(); 695 Style.WhitespaceSensitiveMacros.push_back("FOO"); 696 697 auto Tokens = annotate("FOO(1+2 )", Style); 698 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 699 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 700 701 Tokens = annotate("FOO(a:b:c)", Style); 702 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 703 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 704 } 705 706 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 707 auto Tokens = annotate("delete (void *)p;"); 708 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 709 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 710 711 Tokens = annotate("delete[] (void *)p;"); 712 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 713 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 714 715 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 716 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 717 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 718 719 Tokens = annotate("delete[/*comment*/] (void *)p;"); 720 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 721 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 722 723 Tokens = annotate("delete/*comment*/[] (void *)p;"); 724 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 725 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 726 } 727 728 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 729 auto Tokens = annotate("(void)p;"); 730 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 731 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 732 733 Tokens = annotate("(uint32_t)&&label;"); 734 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 735 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 736 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 737 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 738 739 Tokens = annotate("auto x = (Foo)p;"); 740 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 741 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 742 743 Tokens = annotate("(std::vector<int>)p;"); 744 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 745 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 746 747 Tokens = annotate("return (Foo)p;"); 748 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 749 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 750 751 Tokens = annotate("throw (Foo)p;"); 752 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 753 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 754 755 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 756 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 757 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 758 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 759 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 760 761 Tokens = annotate("#define foo(i) ((i) - bar)"); 762 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 763 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 764 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 765 766 Tokens = annotate("return (Foo) & 10;"); 767 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 768 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 769 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 770 771 Tokens = annotate("return (struct foo){};"); 772 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 773 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 774 775 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 776 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 777 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 778 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 779 780 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 781 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 782 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 783 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 784 785 Tokens = annotate("func((void (*)())&a);"); 786 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 787 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 788 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 789 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 790 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 791 792 Tokens = annotate("int result = ((int)a) - b;"); 793 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 794 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 795 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 796 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 797 798 Tokens = annotate("return (double)(foo(30)) - 15;"); 799 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 800 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 801 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 802 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 803 804 Tokens = annotate("return (::Type)(1 + 2);"); 805 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 806 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 807 808 Tokens = annotate("return (Namespace::Class)(1 + 2);"); 809 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 810 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 811 812 auto Style = getLLVMStyle(); 813 Style.TypeNames.push_back("Foo"); 814 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 815 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 816 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 817 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 818 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 819 } 820 821 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 822 auto Tokens = annotate("void f() throw(int);"); 823 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 824 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 825 } 826 827 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 828 auto Tokens = annotate("void f() &;"); 829 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 830 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 831 832 Tokens = annotate("void operator=(T) &&;"); 833 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 834 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 835 836 Tokens = annotate("template <typename T> void f() &;"); 837 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 838 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 839 840 Tokens = annotate("template <typename T> void operator=(T) &;"); 841 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 842 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 843 } 844 845 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 846 auto Tokens = annotate("x.operator+()"); 847 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 848 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 849 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 850 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 851 Tokens = annotate("x.operator=()"); 852 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 853 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 854 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 855 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 856 Tokens = annotate("x.operator+=()"); 857 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 858 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 859 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 860 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 861 Tokens = annotate("x.operator,()"); 862 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 863 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 864 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 865 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 866 Tokens = annotate("x.operator()()"); 867 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 868 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 869 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 870 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 871 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 872 Tokens = annotate("x.operator[]()"); 873 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 874 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 875 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 876 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 877 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 878 Tokens = annotate("x.operator\"\"_a()"); 879 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 880 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 881 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 882 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 883 Tokens = annotate("x.operator\"\" _a()"); 884 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 885 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 886 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 887 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 888 Tokens = annotate("x.operator\"\"if()"); 889 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 890 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 891 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 892 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 893 Tokens = annotate("x.operator\"\"s()"); 894 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 895 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 896 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 897 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 898 Tokens = annotate("x.operator\"\" s()"); 899 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 900 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 901 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 902 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 903 904 Tokens = annotate("int operator+(int);"); 905 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 906 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 907 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 908 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 909 Tokens = annotate("auto operator=(T&) {}"); 910 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 911 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 912 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 913 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 914 Tokens = annotate("auto operator()() {}"); 915 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 916 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 917 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 918 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 919 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 920 921 Tokens = annotate("class Foo {\n" 922 " int operator+(a* b);\n" 923 "}"); 924 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 925 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 926 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 927 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 928 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 929 930 Tokens = annotate("class Foo {\n" 931 " int c = operator+(a * b);\n" 932 "}"); 933 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 934 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 935 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 936 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 937 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 938 939 Tokens = annotate("void foo() {\n" 940 " operator+(a * b);\n" 941 "}"); 942 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 943 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 944 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 945 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 946 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 947 948 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 949 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 950 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 951 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 952 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 953 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 954 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 955 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 956 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 957 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 958 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 959 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 960 961 Tokens = annotate("class Foo {\n" 962 " void foo() {\n" 963 " operator+(a * b);\n" 964 " }\n" 965 "}"); 966 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 967 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 968 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 969 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 970 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 971 972 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 973 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 974 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 975 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 976 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 977 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 978 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 979 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 980 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 981 982 Tokens = annotate("decltype(auto) operator()(T &x);"); 983 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 984 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 985 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 986 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 987 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 988 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 989 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 990 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 991 } 992 993 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 994 struct { 995 const char *Text; 996 tok::TokenKind Kind; 997 } Operators[] = {{"+", tok::plus}, 998 {"-", tok::minus}, 999 // FIXME: 1000 // {"*", tok::star}, 1001 {"/", tok::slash}, 1002 {"%", tok::percent}, 1003 {"^", tok::caret}, 1004 // FIXME: 1005 // {"&", tok::amp}, 1006 {"|", tok::pipe}, 1007 {"~", tok::tilde}, 1008 {"!", tok::exclaim}, 1009 {"=", tok::equal}, 1010 // FIXME: 1011 // {"<", tok::less}, 1012 {">", tok::greater}, 1013 {"+=", tok::plusequal}, 1014 {"-=", tok::minusequal}, 1015 {"*=", tok::starequal}, 1016 {"/=", tok::slashequal}, 1017 {"%=", tok::percentequal}, 1018 {"^=", tok::caretequal}, 1019 {"&=", tok::ampequal}, 1020 {"|=", tok::pipeequal}, 1021 {"<<", tok::lessless}, 1022 {">>", tok::greatergreater}, 1023 {">>=", tok::greatergreaterequal}, 1024 {"<<=", tok::lesslessequal}, 1025 {"==", tok::equalequal}, 1026 {"!=", tok::exclaimequal}, 1027 {"<=", tok::lessequal}, 1028 {">=", tok::greaterequal}, 1029 {"<=>", tok::spaceship}, 1030 {"&&", tok::ampamp}, 1031 {"||", tok::pipepipe}, 1032 {"++", tok::plusplus}, 1033 {"--", tok::minusminus}, 1034 {",", tok::comma}, 1035 {"->*", tok::arrowstar}, 1036 {"->", tok::arrow}}; 1037 1038 for (const auto &Operator : Operators) { 1039 std::string Input("C<&operator"); 1040 Input += Operator.Text; 1041 Input += " > a;"; 1042 auto Tokens = annotate(std::string(Input)); 1043 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1044 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1045 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1046 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1047 } 1048 1049 auto Tokens = annotate("C<&operator< <X>> lt;"); 1050 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1051 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1052 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1053 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1054 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1055 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1056 } 1057 1058 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1059 auto Tokens = annotate("template <typename T>\n" 1060 "concept C = (Foo && Bar) && (Bar && Baz);"); 1061 1062 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1063 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1064 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1065 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1066 1067 Tokens = annotate("template <typename T>\n" 1068 "concept C = Foo && !Bar;"); 1069 1070 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1071 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1072 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1073 1074 Tokens = annotate("template <typename T>\n" 1075 "concept C = requires(T t) {\n" 1076 " { t.foo() };\n" 1077 "} && Bar<T> && Baz<T>;"); 1078 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1079 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1080 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1081 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1082 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1083 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1084 1085 Tokens = annotate("template<typename T>\n" 1086 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1087 "struct Foo;"); 1088 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1089 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1090 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1091 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1092 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1093 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1094 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1095 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1096 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1097 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1098 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1099 1100 Tokens = 1101 annotate("template<typename T>\n" 1102 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1103 "struct Foo;"); 1104 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1105 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1106 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1107 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1108 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1109 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1110 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1111 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1112 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1113 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1114 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1115 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1116 1117 Tokens = annotate("template <typename T>\n" 1118 "void foo(T) noexcept requires Bar<T>;"); 1119 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1120 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1121 1122 Tokens = annotate("template <typename T>\n" 1123 "requires Bar<T> || Baz<T>\n" 1124 "auto foo(T) -> int;"); 1125 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1126 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1127 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1128 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1129 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1130 1131 Tokens = annotate("template <typename T>\n" 1132 "requires Bar<T>\n" 1133 "bool foo(T) { return false; }"); 1134 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1135 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1136 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1137 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1138 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1139 1140 Tokens = annotate("template <typename T>\n" 1141 "requires Bar<T>\n" 1142 "decltype(auto) foo(T) { return false; }"); 1143 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1144 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1145 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1146 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1147 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1148 1149 Tokens = annotate("template <typename T>\n" 1150 "struct S {\n" 1151 " void foo() const requires Bar<T>;\n" 1152 " void bar() const & requires Baz<T>;\n" 1153 " void bar() && requires Baz2<T>;\n" 1154 " void baz() const & noexcept requires Baz<T>;\n" 1155 " void baz() && noexcept requires Baz2<T>;\n" 1156 "};\n" 1157 "\n" 1158 "void S::bar() const & requires Baz<T> { }"); 1159 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1160 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1161 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1162 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1163 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1164 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1165 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1166 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1167 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1168 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1169 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1170 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1171 1172 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1173 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1174 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1175 1176 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1177 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1178 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1179 1180 Tokens = 1181 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1182 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1183 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1184 1185 Tokens = annotate("void Class::member() && requires(typename " 1186 "Namespace::Outer<T>::Inner::Constant) {}"); 1187 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1188 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1189 1190 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1191 " template<class T>\n" 1192 " requires requires { number_zero_v<T>; }\n" 1193 " [[nodiscard]] constexpr operator T() const { " 1194 "return number_zero_v<T>; }\n" 1195 "};"); 1196 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1197 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1198 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1199 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1200 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1201 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1202 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1203 1204 Tokens = 1205 annotate("template <class A, class B> concept C =" 1206 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1207 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1208 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1209 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1210 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1211 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1212 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1213 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1214 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1215 1216 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1217 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1218 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1219 1220 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1221 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1222 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1223 1224 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1225 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1226 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1227 1228 Tokens = 1229 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1230 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1231 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1232 1233 Tokens = 1234 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1235 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1236 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1237 1238 Tokens = 1239 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1240 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1241 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1242 1243 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1244 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1245 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1246 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1247 1248 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1249 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1250 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1251 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1252 1253 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1254 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1255 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1256 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1257 1258 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1259 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1260 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1261 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1262 1263 Tokens = annotate("void f() & requires(true) {}"); 1264 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1265 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1266 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1267 1268 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1269 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1270 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1271 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1272 1273 Tokens = annotate("template <typename T>\n" 1274 "concept C = (!Foo<T>) && Bar;"); 1275 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1276 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1277 1278 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1279 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1280 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1281 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1282 1283 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1284 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1285 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1286 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1287 1288 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1289 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1290 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1291 1292 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1293 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1294 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1295 1296 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1297 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1298 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1299 } 1300 1301 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1302 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1303 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1304 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1305 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1306 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1307 1308 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1309 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1310 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1311 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1312 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1313 1314 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1315 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1316 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1317 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1318 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1319 1320 Tokens = annotate("foo(requires(const T t) {});"); 1321 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1322 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1323 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1324 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1325 1326 Tokens = annotate("foo(requires(const int t) {});"); 1327 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1328 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1329 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1330 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1331 1332 Tokens = annotate("foo(requires(const T t) {});"); 1333 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1334 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1335 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1336 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1337 1338 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1339 ASSERT_EQ(Tokens.size(), 15u) << 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[6], tok::star, TT_PointerOrReference); 1343 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1344 1345 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1346 ASSERT_EQ(Tokens.size(), 15u) << 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[6], tok::star, TT_PointerOrReference); 1350 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1351 1352 Tokens = annotate("foo(requires(T& t) {});"); 1353 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1354 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1355 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1356 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1357 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1358 1359 Tokens = annotate("foo(requires(T&& t) {});"); 1360 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1361 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1362 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1363 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1364 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1365 1366 Tokens = annotate("bool foo = requires(T& t) {};"); 1367 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1368 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1369 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1370 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1371 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1372 1373 Tokens = annotate("bool foo = requires(T&& t) {};"); 1374 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1375 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1376 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1377 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1378 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1379 1380 Tokens = 1381 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1382 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1383 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1384 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1385 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1386 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1387 1388 Tokens = annotate("template <typename T>\n" 1389 "concept C = requires(T T) {\n" 1390 " requires Bar<T> && Foo<T>;\n" 1391 "};"); 1392 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1393 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1394 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1395 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1396 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1397 TT_RequiresClauseInARequiresExpression); 1398 1399 Tokens = annotate("template <typename T>\n" 1400 "concept C = requires(T T) {\n" 1401 " { t.func() } -> std::same_as<int>;" 1402 " requires Bar<T> && Foo<T>;\n" 1403 "};"); 1404 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1405 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1406 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1407 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1408 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1409 TT_RequiresClauseInARequiresExpression); 1410 1411 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1412 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1413 "requires true; };"); 1414 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1415 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1416 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1417 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1418 1419 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1420 " { c.foo(); }\n" 1421 "};"); 1422 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1423 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1424 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1425 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1426 } 1427 1428 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1429 // Everything after #pragma region should be ImplicitStringLiteral 1430 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1431 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1432 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1433 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1434 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1435 1436 // Make sure it's annotated correctly inside a function as well 1437 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1438 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1439 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1440 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1441 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1442 } 1443 1444 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1445 const char *BaseCode = nullptr; 1446 const char *ConstrainedCode = nullptr; 1447 auto BaseTokenCount = 0u; 1448 auto RequiresTokenCount = 0u; 1449 auto PrefixTokenCount = 0u; 1450 1451 auto TestRequires = [&](int Line) { 1452 const auto BaseTokens = annotate(BaseCode); 1453 const auto ConstrainedTokens = annotate(ConstrainedCode); 1454 1455 #define LINE " (Line " << Line << ')' 1456 1457 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1458 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1459 << LINE; 1460 1461 for (auto I = 0u; I < BaseTokenCount; ++I) { 1462 EXPECT_EQ( 1463 *BaseTokens[I], 1464 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1465 << I << LINE; 1466 } 1467 1468 #undef LINE 1469 }; 1470 1471 BaseCode = "template<typename T>\n" 1472 "T Pi = 3.14;"; 1473 ConstrainedCode = "template<typename T>\n" 1474 " requires Foo<T>\n" 1475 "T Pi = 3.14;"; 1476 BaseTokenCount = 11; 1477 RequiresTokenCount = 5; 1478 PrefixTokenCount = 5; 1479 TestRequires(__LINE__); 1480 1481 BaseCode = "template<typename T>\n" 1482 "struct Bar;"; 1483 ConstrainedCode = "template<typename T>\n" 1484 " requires Foo<T>\n" 1485 "struct Bar;"; 1486 BaseTokenCount = 9; 1487 TestRequires(__LINE__); 1488 1489 BaseCode = "template<typename T>\n" 1490 "struct Bar {\n" 1491 " T foo();\n" 1492 " T bar();\n" 1493 "};"; 1494 ConstrainedCode = "template<typename T>\n" 1495 " requires Foo<T>\n" 1496 "struct Bar {\n" 1497 " T foo();\n" 1498 " T bar();\n" 1499 "};"; 1500 BaseTokenCount = 21; 1501 TestRequires(__LINE__); 1502 1503 BaseCode = "template<typename T>\n" 1504 "Bar(T) -> Bar<T>;"; 1505 ConstrainedCode = "template<typename T>\n" 1506 " requires Foo<T>\n" 1507 "Bar(T) -> Bar<T>;"; 1508 BaseTokenCount = 16; 1509 TestRequires(__LINE__); 1510 1511 BaseCode = "template<typename T>\n" 1512 "T foo();"; 1513 ConstrainedCode = "template<typename T>\n" 1514 " requires Foo<T>\n" 1515 "T foo();"; 1516 BaseTokenCount = 11; 1517 TestRequires(__LINE__); 1518 1519 BaseCode = "template<typename T>\n" 1520 "T foo() {\n" 1521 " auto bar = baz();\n" 1522 " return bar + T{};\n" 1523 "}"; 1524 ConstrainedCode = "template<typename T>\n" 1525 " requires Foo<T>\n" 1526 "T foo() {\n" 1527 " auto bar = baz();\n" 1528 " return bar + T{};\n" 1529 "}"; 1530 BaseTokenCount = 26; 1531 TestRequires(__LINE__); 1532 1533 BaseCode = "template<typename T>\n" 1534 "T foo();"; 1535 ConstrainedCode = "template<typename T>\n" 1536 "T foo() requires Foo<T>;"; 1537 BaseTokenCount = 11; 1538 PrefixTokenCount = 9; 1539 TestRequires(__LINE__); 1540 1541 BaseCode = "template<typename T>\n" 1542 "T foo() {\n" 1543 " auto bar = baz();\n" 1544 " return bar + T{};\n" 1545 "}"; 1546 ConstrainedCode = "template<typename T>\n" 1547 "T foo() requires Foo<T> {\n" 1548 " auto bar = baz();\n" 1549 " return bar + T{};\n" 1550 "}"; 1551 BaseTokenCount = 26; 1552 TestRequires(__LINE__); 1553 1554 BaseCode = "template<typename T>\n" 1555 "T foo();"; 1556 ConstrainedCode = "template<typename T>\n" 1557 " requires(Foo<T>)\n" 1558 "T foo();"; 1559 BaseTokenCount = 11; 1560 RequiresTokenCount = 7; 1561 PrefixTokenCount = 5; 1562 TestRequires(__LINE__); 1563 1564 BaseCode = "template<typename T>\n" 1565 "Bar(T) -> Bar<typename T::I>;"; 1566 ConstrainedCode = "template<typename T>\n" 1567 " requires requires(T &&t) {\n" 1568 " typename T::I;\n" 1569 " }\n" 1570 "Bar(T) -> Bar<typename T::I>;"; 1571 BaseTokenCount = 19; 1572 RequiresTokenCount = 14; 1573 PrefixTokenCount = 5; 1574 TestRequires(__LINE__); 1575 1576 BaseCode = "struct [[nodiscard]] zero_t {\n" 1577 " template<class T>\n" 1578 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1579 "};"; 1580 ConstrainedCode = 1581 "struct [[nodiscard]] zero_t {\n" 1582 " template<class T>\n" 1583 " requires requires { v<T>; }\n" 1584 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1585 "};"; 1586 BaseTokenCount = 35; 1587 RequiresTokenCount = 9; 1588 PrefixTokenCount = 13; 1589 TestRequires(__LINE__); 1590 1591 BaseCode = "constexpr Foo(Foo const &other)\n" 1592 " : value{other.value} {\n" 1593 " do_magic();\n" 1594 " do_more_magic();\n" 1595 "}"; 1596 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1597 " requires std::is_copy_constructible<T>\n" 1598 " : value{other.value} {\n" 1599 " do_magic();\n" 1600 " do_more_magic();\n" 1601 "}"; 1602 BaseTokenCount = 26; 1603 RequiresTokenCount = 7; 1604 PrefixTokenCount = 8; 1605 TestRequires(__LINE__); 1606 1607 BaseCode = "constexpr Foo(Foo const &other)\n" 1608 " : value{other.value} {\n" 1609 " do_magic();\n" 1610 " do_more_magic();\n" 1611 "}"; 1612 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1613 " requires (std::is_copy_constructible<T>)\n" 1614 " : value{other.value} {\n" 1615 " do_magic();\n" 1616 " do_more_magic();\n" 1617 "}"; 1618 RequiresTokenCount = 9; 1619 TestRequires(__LINE__); 1620 1621 BaseCode = "template<typename T>\n" 1622 "ANNOTATE(\"S\"\n" 1623 " \"S\")\n" 1624 "void foo();"; 1625 ConstrainedCode = "template<typename T>\n" 1626 " requires(true)\n" 1627 "ANNOTATE(\"S\"\n" 1628 " \"S\")\n" 1629 "void foo();"; 1630 BaseTokenCount = 16; 1631 RequiresTokenCount = 4; 1632 PrefixTokenCount = 5; 1633 TestRequires(__LINE__); 1634 } 1635 1636 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1637 auto Tokens = annotate("__asm{\n" 1638 "\"a\":\n" 1639 ": x\n" 1640 ":};"); 1641 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1642 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1643 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1644 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1645 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1646 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1647 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1648 1649 Tokens = annotate("__asm(\n" 1650 "\"a\":\n" 1651 ": x\n" 1652 ":);"); 1653 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1654 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1655 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1656 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1657 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1658 1659 Tokens = annotate("asm volatile (\n" 1660 "\"a_label:\"\n" 1661 ":\n" 1662 ": x\n" 1663 ":);"); 1664 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1665 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1666 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1667 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1668 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1669 1670 Tokens = annotate("__asm__(\n" 1671 "\"a_label:\"\n" 1672 ": x\n" 1673 ":\n" 1674 ": y);"); 1675 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1676 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1677 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1678 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1679 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1680 1681 Tokens = annotate("__asm volatile (\n" 1682 "\"a_label:\"\n" 1683 "\"a b c(%%x)\"\n" 1684 ":\n" 1685 ": x\n" 1686 ":);"); 1687 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1688 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1689 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1690 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1691 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1692 1693 Tokens = annotate("asm(\n" 1694 "\"insn\"\n" 1695 ": \"=r\" (var1), \"=&r\" (value)\n" 1696 ":\n" 1697 ": \"memory\");"); 1698 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1699 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1700 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1701 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1702 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1703 1704 Tokens = annotate("__asm__ volatile (\n" 1705 "\"ldr r1, [r0, %%[sym]]\"\n" 1706 ":\n" 1707 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1708 ");"); 1709 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1710 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1711 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1712 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1713 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1714 } 1715 1716 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1717 auto Tokens = annotate("int (^)() = ^ ()\n" 1718 " external_source_symbol() { //\n" 1719 " return 1;\n" 1720 "};"); 1721 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1722 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1723 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1724 1725 Tokens = annotate("int *p = ^int*(){ //\n" 1726 " return nullptr;\n" 1727 "}();"); 1728 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1729 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1730 1731 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1732 " return a;\n" 1733 "};"); 1734 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1735 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1736 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1737 } 1738 1739 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1740 auto Tokens = annotate("void f() {\n" 1741 " //\n" 1742 " BOOL a = [b.c n] > 1;\n" 1743 "}"); 1744 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1745 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1746 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1747 } 1748 1749 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1750 auto Tokens = annotate("[]() constexpr {}"); 1751 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1752 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1753 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1754 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1755 1756 Tokens = annotate("[]() consteval {}"); 1757 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1758 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1759 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1760 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1761 1762 Tokens = annotate("[]() mutable {}"); 1763 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1764 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1765 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1766 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1767 1768 Tokens = annotate("[]() static {}"); 1769 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1770 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1771 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1772 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1773 1774 Tokens = annotate("[]() -> auto {}"); 1775 ASSERT_EQ(Tokens.size(), 9u) << 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[6], tok::l_brace, TT_LambdaLBrace); 1780 1781 Tokens = annotate("[]() -> auto & {}"); 1782 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1783 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1784 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1785 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1786 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1787 1788 Tokens = annotate("[]() -> auto * {}"); 1789 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1790 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1791 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1792 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1793 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1794 1795 Tokens = annotate("[] {}"); 1796 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1797 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1798 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1799 1800 Tokens = annotate("[] noexcept {}"); 1801 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1802 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1803 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1804 1805 Tokens = annotate("[] -> auto {}"); 1806 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1807 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1808 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1809 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1810 1811 Tokens = annotate("[] -> struct S { return {}; }"); 1812 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1813 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1814 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1815 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1816 1817 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1818 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1819 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1820 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1821 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1822 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1823 1824 Tokens = annotate("[] <typename T> () {}"); 1825 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1826 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1827 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1828 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1829 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1830 1831 Tokens = annotate("[] <typename T> {}"); 1832 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1833 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1834 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1835 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1836 1837 Tokens = annotate("[] <typename... T> () {}"); 1838 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1839 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1840 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1841 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1842 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1843 1844 Tokens = annotate("[] <typename... T> {}"); 1845 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1846 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1847 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1848 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1849 1850 Tokens = annotate("[] <int... T> () {}"); 1851 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1852 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1853 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1854 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1855 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1856 1857 Tokens = annotate("[] <int... T> {}"); 1858 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1859 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1860 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1861 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1862 1863 Tokens = annotate("[] <Foo... T> () {}"); 1864 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1865 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1866 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1867 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1868 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1869 1870 Tokens = annotate("[] <Foo... T> {}"); 1871 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1872 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1873 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1874 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1875 1876 // Lambdas with a requires-clause 1877 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1878 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1879 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1880 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1881 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1882 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1883 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1884 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1885 1886 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1887 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1888 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1889 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1890 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1891 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1892 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1893 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1894 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1895 1896 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1897 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1898 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1899 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1900 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1901 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1902 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1903 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1904 1905 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1906 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1907 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1908 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1909 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1910 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1911 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1912 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1913 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1914 1915 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1916 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1917 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1918 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1919 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1920 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1921 // FIXME: 1922 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1923 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1924 1925 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1926 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1927 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1928 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1929 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1930 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1931 // FIXME: 1932 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1933 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1934 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1935 1936 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1937 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1938 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1939 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1940 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1941 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1942 // FIXME: 1943 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1944 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1945 1946 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1947 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1948 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1949 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1950 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1951 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1952 // FIXME: 1953 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1954 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1955 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1956 1957 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1958 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1959 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1960 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1961 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1962 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1963 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1964 1965 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1966 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1967 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1968 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1969 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1970 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1971 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1972 1973 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1974 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1975 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1976 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1977 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1978 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1979 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1980 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1981 1982 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1983 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1984 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1985 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1986 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1987 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1988 // FIXME: 1989 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1990 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1991 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1992 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1993 1994 Tokens = annotate("[] <typename T = int> (T t) {}"); 1995 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1996 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1997 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1998 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1999 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2000 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2001 2002 Tokens = annotate("[] <int I = 0> (T t) {}"); 2003 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2004 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2005 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2006 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2007 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2008 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2009 2010 Tokens = annotate("[] <bool b = false> (T t) {}"); 2011 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2012 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2013 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2014 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2015 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2016 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2017 2018 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 2019 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2020 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2021 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2022 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 2023 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 2024 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 2025 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 2026 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 2027 2028 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2029 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2030 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2031 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2032 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2033 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2034 // FIXME: 2035 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2036 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2037 } 2038 2039 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2040 auto Tokens = annotate("template <typename T>\n" 2041 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2042 "string OldFunction(const string ¶meter) {}"); 2043 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2044 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2045 2046 Tokens = annotate("template <typename T>\n" 2047 "A(T) noexcept;"); 2048 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2049 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2050 2051 Tokens = annotate("FOO(bar)();"); 2052 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2053 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2054 } 2055 2056 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2057 auto Tokens = annotate("void f [[noreturn]] ();"); 2058 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2059 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2060 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2061 2062 Tokens = annotate("void f [[noreturn]] () {}"); 2063 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2064 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2065 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2066 2067 Tokens = annotate("#define FOO Foo::\n" 2068 "FOO Foo();"); 2069 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2070 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2071 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2072 2073 Tokens = annotate("struct Foo {\n" 2074 " Bar (*func)();\n" 2075 "};"); 2076 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2077 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2078 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2079 2080 Tokens = annotate("void instanceof();"); 2081 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2082 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2083 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2084 2085 Tokens = annotate("int iso_time(time_t);"); 2086 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2087 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2088 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2089 2090 auto Style = getLLVMStyle(); 2091 Style.TypeNames.push_back("MyType"); 2092 Tokens = annotate("int iso_time(MyType);", Style); 2093 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2094 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2095 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2096 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2097 } 2098 2099 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2100 auto Tokens = annotate("class Foo { public: Foo(); };"); 2101 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2102 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2103 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2104 2105 Tokens = annotate("class Foo { public: ~Foo(); };"); 2106 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2107 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2108 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2109 2110 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2111 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2112 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2113 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2114 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2115 2116 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2117 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2118 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2119 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2120 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2121 2122 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2123 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2124 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2125 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2126 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2127 2128 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2129 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2130 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2131 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2132 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2133 2134 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2135 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2136 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2137 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2138 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2139 2140 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2141 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2142 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2143 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2144 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2145 2146 Tokens = annotate("Foo::Foo() {}"); 2147 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2148 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2149 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2150 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2151 2152 Tokens = annotate("Foo::~Foo() {}"); 2153 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2154 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2155 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2156 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2157 2158 Tokens = annotate("struct Test {\n" 2159 " Test()\n" 2160 " : l([] {\n" 2161 " Short::foo();\n" 2162 " }) {}\n" 2163 "};"); 2164 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2165 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2166 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2167 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2168 } 2169 2170 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2171 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2172 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2173 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2174 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2175 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2176 } 2177 2178 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2179 auto Tokens = annotate("auto f() -> int;"); 2180 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2181 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2182 2183 Tokens = annotate("auto operator->() -> int;"); 2184 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2185 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2186 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2187 2188 Tokens = annotate("auto operator++(int) -> int;"); 2189 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2190 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2191 2192 Tokens = annotate("auto operator=() -> int;"); 2193 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2194 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2195 2196 Tokens = annotate("auto operator=(int) -> int;"); 2197 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2198 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2199 2200 Tokens = annotate("auto foo() -> auto { return Val; }"); 2201 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2202 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2203 2204 Tokens = annotate("struct S { auto bar() const -> int; };"); 2205 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2206 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2207 2208 // Not trailing return arrows 2209 Tokens = annotate("auto a = b->c;"); 2210 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2211 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2212 2213 Tokens = annotate("auto a = (b)->c;"); 2214 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2215 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2216 2217 Tokens = annotate("auto a = b()->c;"); 2218 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2219 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2220 2221 Tokens = annotate("auto a = b->c();"); 2222 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2223 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2224 2225 Tokens = annotate("decltype(auto) a = b()->c;"); 2226 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2227 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2228 2229 Tokens = annotate("void f() { auto a = b->c(); }"); 2230 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2231 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2232 2233 Tokens = annotate("void f() { auto a = b()->c; }"); 2234 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2235 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2236 2237 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2238 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2239 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2240 2241 Tokens = annotate("void f() FOO(foo->bar);"); 2242 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2243 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2244 2245 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2246 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2247 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2248 2249 auto Style = getLLVMStyle(); 2250 Style.StatementAttributeLikeMacros.push_back("emit"); 2251 Tokens = annotate("emit foo()->bar;", Style); 2252 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2253 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2254 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2255 2256 // Mixed 2257 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2258 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2259 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2260 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2261 } 2262 2263 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2264 auto Tokens = annotate("#define Foo(Bar) \\\n" 2265 " { \\\n" 2266 " #Bar \\\n" 2267 " }"); 2268 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2269 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2270 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2271 2272 Tokens = annotate("#define Foo(Bar) \\\n" 2273 " { #Bar }"); 2274 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2275 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2276 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2277 2278 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2279 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2280 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2281 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2282 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2283 } 2284 2285 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2286 // '__attribute__' has special handling. 2287 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2288 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2289 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2290 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2291 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2292 2293 // Generic macro has no special handling in this location. 2294 Tokens = annotate("A(X) void Foo(void);"); 2295 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2296 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2297 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2298 2299 // Add a custom AttributeMacro. Test that it has the same behavior. 2300 FormatStyle Style = getLLVMStyle(); 2301 Style.AttributeMacros.push_back("A"); 2302 2303 // An "AttributeMacro" gets annotated like '__attribute__'. 2304 Tokens = annotate("A(X) void Foo(void);", Style); 2305 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2306 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2307 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2308 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2309 } 2310 2311 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2312 // '__attribute__' has special handling. 2313 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2314 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2315 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2316 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2317 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2318 2319 // Generic macro has no special handling in this location. 2320 Tokens = annotate("A(X) @interface Foo"); 2321 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2322 // Note: Don't check token-type as a random token in this position is hard to 2323 // reason about. 2324 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2325 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2326 2327 // Add a custom AttributeMacro. Test that it has the same behavior. 2328 FormatStyle Style = getLLVMStyle(); 2329 Style.AttributeMacros.push_back("A"); 2330 2331 // An "AttributeMacro" gets annotated like '__attribute__'. 2332 Tokens = annotate("A(X) @interface Foo", Style); 2333 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2334 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2335 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2336 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2337 } 2338 2339 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2340 // '__attribute__' has special handling. 2341 auto Tokens = annotate("- (id)init __attribute__((X));"); 2342 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2343 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2344 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2345 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2346 2347 // Generic macro has no special handling in this location. 2348 Tokens = annotate("- (id)init A(X);"); 2349 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2350 // Note: Don't check token-type as a random token in this position is hard to 2351 // reason about. 2352 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2353 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2354 2355 // Add a custom AttributeMacro. Test that it has the same behavior. 2356 FormatStyle Style = getLLVMStyle(); 2357 Style.AttributeMacros.push_back("A"); 2358 2359 // An "AttributeMacro" gets annotated like '__attribute__'. 2360 Tokens = annotate("- (id)init A(X);", Style); 2361 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2362 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2363 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2364 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2365 } 2366 2367 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2368 // '__attribute__' has special handling. 2369 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2370 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2371 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2372 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2373 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2374 2375 // Generic macro has no special handling in this location. 2376 Tokens = annotate("@property(weak) id delegate A(X);"); 2377 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2378 // Note: Don't check token-type as a random token in this position is hard to 2379 // reason about. 2380 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2381 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2382 2383 // Add a custom AttributeMacro. Test that it has the same behavior. 2384 FormatStyle Style = getLLVMStyle(); 2385 Style.AttributeMacros.push_back("A"); 2386 2387 // An "AttributeMacro" gets annotated like '__attribute__'. 2388 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2389 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2390 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2391 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2392 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2393 } 2394 2395 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2396 auto Annotate = [this](StringRef Code) { 2397 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2398 }; 2399 // Test that unary operators get labeled as such and that operators like '++' 2400 // don't get split. 2401 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2402 tok::tilde, tok::amp, tok::pipe, 2403 tok::caret, tok::plusplus, tok::minusminus}; 2404 for (auto Kind : Unary) { 2405 auto Tokens = 2406 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2407 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2408 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2409 } 2410 // Operators formed by joining two operators like '^~'. For some of these 2411 // joined operators, we don't have a separate type, so we only test for their 2412 // precedence. 2413 std::pair<prec::Level, std::string> JoinedBinary[] = { 2414 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2415 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2416 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2417 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2418 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2419 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2420 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2421 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2422 {prec::Equality, "!="}, {prec::Equality, "==="}, 2423 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2424 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2425 {prec::ExclusiveOr, "^~"}, 2426 }; 2427 for (auto Operator : JoinedBinary) { 2428 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2429 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2430 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2431 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2432 } 2433 // '~^' and '^~' can be unary as well as binary operators. 2434 auto Tokens = Annotate("x = ~^x;"); 2435 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2436 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2437 Tokens = Annotate("x = ^~x;"); 2438 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2439 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2440 // The unary operators '~&' and '~|' can only be unary operators. The current 2441 // implementation treats each of them as separate unary '~' and '&' or '|' 2442 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2443 // there is a test that there is no space in between. And even if a new line 2444 // is inserted between the '~' and '|', the semantic meaning is the same as 2445 // the joined operator, so the CanBreakBefore property doesn't need to be 2446 // false for the second operator. 2447 Tokens = Annotate("x = ~&x;"); 2448 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2449 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2450 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2451 Tokens = Annotate("x = ~|x;"); 2452 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2453 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2454 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2455 // Test for block label colons. 2456 Tokens = Annotate("begin : x\n" 2457 "end : x"); 2458 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2459 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2460 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2461 // Test that the dimension colon is annotated correctly. 2462 Tokens = Annotate("var [1 : 0] x;"); 2463 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2464 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2465 Tokens = Annotate("extern function [1 : 0] x;"); 2466 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2467 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2468 Tokens = Annotate("module test\n" 2469 " (input wire [7 : 0] a[7 : 0]);\n" 2470 "endmodule"); 2471 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2472 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2473 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2474 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2475 // Test case labels and ternary operators. 2476 Tokens = Annotate("case (x)\n" 2477 " x:\n" 2478 " x;\n" 2479 "endcase"); 2480 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2481 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2482 Tokens = Annotate("case (x)\n" 2483 " x ? x : x:\n" 2484 " x;\n" 2485 "endcase"); 2486 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2487 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2488 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2489 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2490 // Non-blocking assignments. 2491 Tokens = Annotate("a <= b;"); 2492 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2493 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2494 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2495 Tokens = Annotate("if (a <= b) break;"); 2496 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2497 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2498 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2499 Tokens = Annotate("a <= b <= a;"); 2500 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2501 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2502 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2503 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2504 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2505 2506 // Port lists in module instantiation. 2507 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2508 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2509 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2510 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2511 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2512 "instance_2(port_2);"); 2513 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2514 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2515 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2516 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2517 2518 // Condition parentheses. 2519 Tokens = Annotate("assert (x);"); 2520 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2521 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2522 Tokens = Annotate("assert #0 (x);"); 2523 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2524 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2525 Tokens = Annotate("assert final (x);"); 2526 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2527 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2528 Tokens = Annotate("foreach (x[x]) continue;"); 2529 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2530 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2531 Tokens = Annotate("repeat (x[x]) continue;"); 2532 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2533 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2534 Tokens = Annotate("case (x) endcase;"); 2535 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2536 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2537 2538 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2539 // future, please adapt if those tokens get annotated. This test is only here 2540 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2541 Tokens = Annotate("always @(posedge x, posedge y);"); 2542 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2543 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2544 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2545 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2546 2547 // String literals in concatenation. 2548 Tokens = Annotate("x = {\"\"};"); 2549 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2550 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2551 Tokens = Annotate("x = {\"\", \"\"};"); 2552 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2553 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2554 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2555 Tokens = Annotate("x = '{{\"\"}};"); 2556 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2557 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2558 // Cases where the string should not be annotated that type. Fix the 2559 // `TT_Unknown` if needed in the future. 2560 Tokens = Annotate("x = {\"\" == \"\"};"); 2561 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2562 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2563 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2564 Tokens = Annotate("x = {(\"\")};"); 2565 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2566 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2567 Tokens = Annotate("x = '{\"\"};"); 2568 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2569 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2570 } 2571 2572 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2573 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2574 ASSERT_TRUE(Style.isTableGen()); 2575 2576 TestLexer Lexer(Allocator, Buffers, Style); 2577 AdditionalKeywords Keywords(Lexer.IdentTable); 2578 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2579 2580 // Additional keywords representation test. 2581 auto Tokens = Annotate("def foo : Bar<1>;"); 2582 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2583 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2584 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2585 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2586 2587 // Code, the multiline string token. 2588 Tokens = Annotate("[{ code is multiline string }]"); 2589 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2590 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2591 EXPECT_FALSE(Tokens[0]->IsMultiline); 2592 // Case with multiple lines. 2593 Tokens = Annotate("[{ It can break\n" 2594 " across lines and the line breaks\n" 2595 " are retained in \n" 2596 " the string. }]"); 2597 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2598 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2599 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2600 EXPECT_TRUE(Tokens[0]->IsMultiline); 2601 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2602 2603 // Numeric literals. 2604 Tokens = Annotate("1234"); 2605 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2606 Tokens = Annotate("-1"); 2607 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2608 Tokens = Annotate("+1234"); 2609 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2610 Tokens = Annotate("0b0110"); 2611 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2612 Tokens = Annotate("0x1abC"); 2613 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2614 2615 // Identifier tokens. In TableGen, identifiers can begin with a number. 2616 // In ambiguous cases, the lexer tries to lex it as a number. 2617 // Even if the try fails, it does not fall back to identifier lexing and 2618 // regard as an error. 2619 // The ambiguity is not documented. The result of those tests are based on the 2620 // implementation of llvm::TGLexer::LexToken. 2621 // This is invalid syntax of number, but not an identifier. 2622 Tokens = Annotate("0x1234x"); 2623 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2624 Tokens = Annotate("identifier"); 2625 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2626 // Identifier beginning with a number. 2627 Tokens = Annotate("0x"); 2628 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2629 Tokens = Annotate("2dVector"); 2630 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2631 Tokens = Annotate("01234Vector"); 2632 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2633 2634 // Structured statements. 2635 Tokens = Annotate("class Foo {}"); 2636 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2637 Tokens = Annotate("def Def: Foo {}"); 2638 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2639 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2640 Tokens = Annotate("if cond then {} else {}"); 2641 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2642 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2643 Tokens = Annotate("defset Foo Def2 = {}"); 2644 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2645 2646 // Bang Operators. 2647 Tokens = Annotate("!foreach"); 2648 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2649 Tokens = Annotate("!if"); 2650 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2651 Tokens = Annotate("!cond"); 2652 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2653 2654 auto AnnotateValue = [this, &Style](StringRef Code) { 2655 // Values are annotated only in specific context. 2656 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2657 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2658 }; 2659 // Both of bang/cond operators. 2660 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2661 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2662 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2663 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2664 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2665 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2666 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2667 // DAGArg values with operator identifier 2668 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2669 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2670 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2671 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2672 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2673 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2674 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2675 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2676 // List literal 2677 Tokens = AnnotateValue("[1, 2, 3]"); 2678 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2679 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2680 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2681 // Suffixes of values 2682 Tokens = AnnotateValue("valid.field"); 2683 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2684 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2685 // Code 2686 Tokens = AnnotateValue("[{ code is multiline string }]"); 2687 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2688 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2689 2690 // The definition 2691 Tokens = annotate("def Def : Parent<Child> {}", Style); 2692 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2693 // We use inheritance colon and function brace. They are enough. 2694 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2695 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2696 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2697 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2698 2699 // DAGArg breaking options. They use different token types depending on what 2700 // is specified. 2701 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2702 2703 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2704 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2705 // elements to have line break. 2706 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2707 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2708 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2709 EXPECT_TOKEN(Tokens[1], tok::identifier, 2710 TT_TableGenDAGArgOperatorID); // ins 2711 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2712 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2713 2714 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2715 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2716 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2717 EXPECT_TOKEN(Tokens[1], tok::identifier, 2718 TT_TableGenDAGArgOperatorID); // other 2719 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2720 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2721 2722 // For non-identifier operators, breaks after the operator. 2723 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2724 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2725 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2726 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2727 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2728 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2729 2730 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2731 2732 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2733 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2734 // to have line break inside it. 2735 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2736 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2737 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2738 EXPECT_TOKEN(Tokens[1], tok::identifier, 2739 TT_TableGenDAGArgOperatorToBreak); // ins 2740 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2741 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2742 2743 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2744 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2745 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2746 EXPECT_TOKEN(Tokens[1], tok::identifier, 2747 TT_TableGenDAGArgOperatorToBreak); // other 2748 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2749 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2750 2751 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2752 // specified operators. 2753 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2754 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2755 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2756 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2757 EXPECT_TOKEN(Tokens[1], tok::identifier, 2758 TT_TableGenDAGArgOperatorToBreak); // ins 2759 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2760 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2761 2762 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2763 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2764 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2765 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2766 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2767 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2768 2769 // If TableGenBreakingDAGArgOperators is enabled, it uses 2770 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2771 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2772 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2773 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2774 EXPECT_TOKEN(Tokens[1], tok::identifier, 2775 TT_TableGenDAGArgOperatorToBreak); // ins 2776 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2777 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2778 2779 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2780 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2781 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2782 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2783 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2784 } 2785 2786 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2787 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2788 2789 // The TT_Unknown is clearly not binding for the future, please adapt if those 2790 // tokens get annotated. 2791 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2792 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2793 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2794 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2795 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2796 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2797 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2798 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2799 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2800 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2801 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2802 2803 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2804 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2805 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2806 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2807 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2808 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2809 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2810 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2811 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2812 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2813 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2814 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2815 2816 Tokens = annotate("class Class {\n" 2817 " Class() : BaseClass() {\n" 2818 "#if 0\n" 2819 " // comment\n" 2820 "#endif\n" 2821 " }\n" 2822 " Class f();\n" 2823 "}"); 2824 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2825 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2826 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2827 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2828 } 2829 2830 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2831 auto Tokens = annotate("if (x) {}"); 2832 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2833 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2834 Tokens = annotate("if constexpr (x) {}"); 2835 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2836 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2837 Tokens = annotate("if CONSTEXPR (x) {}"); 2838 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2839 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2840 Tokens = annotate("if (x) {} else if (x) {}"); 2841 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2842 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2843 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2844 } 2845 2846 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2847 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2848 2849 auto Tokens = annotate("int? a;", Style); 2850 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2851 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2852 2853 Tokens = annotate("int? a = 1;", Style); 2854 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2855 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2856 2857 Tokens = annotate("int?)", Style); 2858 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2859 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2860 2861 Tokens = annotate("int?>", Style); 2862 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2863 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2864 2865 Tokens = annotate("cond? id : id2", Style); 2866 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2867 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2868 2869 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2870 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2871 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2872 } 2873 2874 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2875 auto Tokens = annotate("{ x: break; }"); 2876 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2877 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2878 2879 Tokens = annotate("{ case x: break; }"); 2880 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2881 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2882 2883 Tokens = annotate("{ x: { break; } }"); 2884 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2885 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2886 2887 Tokens = annotate("{ case x: { break; } }"); 2888 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2889 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2890 2891 Tokens = annotate("#define FOO label:"); 2892 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2893 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2894 2895 Tokens = annotate("#define FOO \\\n" 2896 "label: \\\n" 2897 " break;"); 2898 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2899 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2900 } 2901 2902 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2903 // The closing braces are not annotated. It doesn't seem to cause a problem. 2904 // So we only test for the opening braces. 2905 auto Tokens = annotate("{\n" 2906 " {\n" 2907 " { int a = 0; }\n" 2908 " }\n" 2909 " {}\n" 2910 "}"); 2911 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2912 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2913 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2914 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2915 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2916 } 2917 2918 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2919 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2920 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2921 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2922 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2923 2924 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2925 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2926 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2927 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2928 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2929 2930 Tokens = annotate("SomeStruct {\n" 2931 "#ifdef FOO\n" 2932 " .a = 1,\n" 2933 "#endif\n" 2934 " .b = 2\n" 2935 "};"); 2936 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2937 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2938 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2939 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2940 2941 Tokens = annotate("SomeStruct {\n" 2942 "#if defined FOO\n" 2943 " .a = 1,\n" 2944 "#endif\n" 2945 " .b = 2\n" 2946 "};"); 2947 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2948 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2949 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2950 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2951 2952 Tokens = annotate("Foo foo[] = {[0]{}};"); 2953 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2954 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2955 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2956 } 2957 2958 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2959 auto Annotate = [this](StringRef Code) { 2960 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2961 }; 2962 2963 // Dictionary. 2964 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2965 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2966 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2967 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2968 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2969 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2970 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2971 // Change when we need to annotate these. 2972 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2973 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2974 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2975 } 2976 2977 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2978 auto Tokens = annotate("bool foo __attribute__((unused));"); 2979 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2980 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2981 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2982 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2983 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2984 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2985 2986 Tokens = annotate("bool foo __declspec(dllimport);"); 2987 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2988 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2989 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2990 2991 Tokens = annotate("bool __attribute__((unused)) foo;"); 2992 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2993 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2994 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2995 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2996 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2997 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2998 2999 Tokens = annotate("void __attribute__((x)) Foo();"); 3000 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3001 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3002 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3003 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3004 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3005 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 3006 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 3007 3008 FormatStyle Style = getLLVMStyle(); 3009 Style.AttributeMacros.push_back("FOO"); 3010 Tokens = annotate("bool foo FOO(unused);", Style); 3011 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3012 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 3013 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3014 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3015 } 3016 3017 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 3018 auto Tokens = annotate("while (true) {}"); 3019 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3020 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3021 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3022 3023 Tokens = annotate("for (;;) {}"); 3024 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3025 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 3026 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 3027 3028 Tokens = annotate("do {} while (true);"); 3029 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3030 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3031 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3032 3033 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3034 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3035 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3036 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3037 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3038 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3039 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3040 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3041 3042 Tokens = annotate("switch (foo) {}"); 3043 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3044 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3045 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3046 } 3047 3048 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3049 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3050 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3051 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3052 3053 Tokens = annotate("do ++i; while ( i > 5 );"); 3054 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3055 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3056 } 3057 3058 TEST_F(TokenAnnotatorTest, StartOfName) { 3059 auto Tokens = annotate("#pragma clang diagnostic push"); 3060 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3061 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3062 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3063 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3064 3065 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3066 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3067 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3068 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3069 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3070 3071 Tokens = annotate("#define FOO Foo foo"); 3072 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3073 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3074 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3075 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3076 3077 Tokens = annotate("@interface NSCoder (TestCoder)"); 3078 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3079 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3080 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3081 3082 auto Style = getLLVMStyle(); 3083 Style.StatementAttributeLikeMacros.push_back("emit"); 3084 Tokens = annotate("emit foo = 0;", Style); 3085 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3086 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3087 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3088 } 3089 3090 TEST_F(TokenAnnotatorTest, BraceKind) { 3091 auto Tokens = annotate("void f() {};"); 3092 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3093 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3094 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3095 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3096 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3097 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3098 3099 Tokens = annotate("class Foo<int> f() {}"); 3100 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3101 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3102 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3103 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3104 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3105 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3106 3107 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3108 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3109 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3110 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3111 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3112 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3113 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3114 3115 Tokens = annotate("void f() override {};"); 3116 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3117 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3118 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3119 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3120 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3121 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3122 3123 Tokens = annotate("void f() noexcept(false) {};"); 3124 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3125 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3126 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3127 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3128 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3129 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3130 3131 Tokens = annotate("auto f() -> void {};"); 3132 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3133 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3134 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3135 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3136 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3137 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3138 3139 Tokens = annotate("void f() { /**/ };"); 3140 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3141 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3142 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3143 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3144 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3145 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3146 3147 Tokens = annotate("void f() { //\n" 3148 "};"); 3149 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3150 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3151 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3152 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3153 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3154 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3155 3156 Tokens = annotate("void f() {\n" 3157 " //\n" 3158 "};"); 3159 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3160 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3161 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3162 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3163 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3164 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3165 3166 Tokens = annotate("struct Foo {\n" 3167 " Foo() {};\n" 3168 " ~Foo() {};\n" 3169 "};"); 3170 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3171 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3172 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3173 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3174 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3175 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3176 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3177 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3178 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3179 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3180 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3181 3182 Tokens = annotate("{\n" 3183 " char *a[] = {\n" 3184 " /* abc */ \"abc\",\n" 3185 "#if FOO\n" 3186 " /* xyz */ \"xyz\",\n" 3187 "#endif\n" 3188 " /* last */ \"last\"};\n" 3189 "}"); 3190 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3191 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3192 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3193 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3194 3195 Tokens = 3196 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3197 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3198 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3199 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3200 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3201 3202 Tokens = annotate("struct {};"); 3203 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3204 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3205 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3206 3207 Tokens = annotate("struct : Base {};"); 3208 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3209 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3210 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3211 3212 Tokens = annotate("struct Foo {};"); 3213 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3214 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3215 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3216 3217 Tokens = annotate("struct ::Foo {};"); 3218 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3219 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3220 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3221 3222 Tokens = annotate("struct NS::Foo {};"); 3223 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3224 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3225 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3226 3227 Tokens = annotate("struct Foo<int> {};"); 3228 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3229 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3230 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3231 3232 Tokens = annotate("struct Foo<int>::Bar {};"); 3233 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3234 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3235 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3236 3237 Tokens = annotate("struct Foo<int> : Base {};"); 3238 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3239 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3240 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3241 3242 Tokens = annotate("struct Foo final {};"); 3243 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3244 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3245 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3246 3247 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3248 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3249 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3250 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3251 3252 Tokens = annotate("struct Foo x{};"); 3253 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3254 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3255 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3256 3257 Tokens = annotate("struct ::Foo x{};"); 3258 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3259 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3260 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3261 3262 Tokens = annotate("struct NS::Foo x{};"); 3263 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3264 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3265 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3266 3267 Tokens = annotate("struct Foo<int> x{};"); 3268 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3269 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3270 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3271 3272 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3273 "#else\n" 3274 "#endif\n" 3275 "class RenderingServer : Object {\n" 3276 "#ifndef DISABLE_DEPRECATED\n" 3277 " enum Features {\n" 3278 " FEATURE_SHADERS,\n" 3279 " FEATURE_MULTITHREADED,\n" 3280 " };\n" 3281 "#endif\n" 3282 "};"); 3283 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3284 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3285 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3286 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3287 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3288 3289 Tokens = annotate("{\n" 3290 "#define M(x) \\\n" 3291 " return {#x};\n" 3292 "}"); 3293 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3294 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3295 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3296 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3297 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3298 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3299 3300 Tokens = annotate("a = class extends goog.a {};", 3301 getGoogleStyle(FormatStyle::LK_JavaScript)); 3302 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3303 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3304 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3305 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3306 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3307 3308 Tokens = annotate("a = class Foo extends goog.a {};", 3309 getGoogleStyle(FormatStyle::LK_JavaScript)); 3310 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3311 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_ClassLBrace); 3312 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3313 EXPECT_TOKEN(Tokens[9], tok::r_brace, TT_ClassRBrace); 3314 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3315 3316 Tokens = annotate("#define FOO(X) \\\n" 3317 " struct X##_tag_ {};"); 3318 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3319 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3320 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3321 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3322 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3323 3324 Tokens = annotate("#define MACRO \\\n" 3325 " struct hash<type> { \\\n" 3326 " void f() { return; } \\\n" 3327 " };"); 3328 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3329 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3330 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3331 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3332 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3333 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3334 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3335 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3336 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3337 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3338 3339 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3340 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3341 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3342 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3343 } 3344 3345 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3346 auto Tokens = annotate("auto foo() -> enum En {}"); 3347 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3348 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3349 } 3350 3351 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3352 auto Tokens = annotate("{\n" 3353 " {\n" 3354 " foo();\n" 3355 " }\n" 3356 "}"); 3357 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3358 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3359 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3360 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3361 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3362 3363 Tokens = annotate("void bar() {\n" 3364 " {\n" 3365 " foo();\n" 3366 " }\n" 3367 "}"); 3368 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3369 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3370 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3371 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3372 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3373 3374 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3375 getLLVMStyle(FormatStyle::LK_ObjC)); 3376 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3377 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3378 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3379 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3380 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3381 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3382 } 3383 3384 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3385 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3386 auto Tokens = annotate("i = switch (day) {\n" 3387 " case THURSDAY, SATURDAY -> 8;\n" 3388 " case WEDNESDAY -> 9;\n" 3389 " default -> 1;\n" 3390 "};", 3391 Style); 3392 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3393 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3394 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3395 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3396 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3397 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3398 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3399 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3400 } 3401 3402 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3403 auto Tokens = annotate("a = b and c;"); 3404 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3405 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3406 3407 Tokens = annotate("a = b and_eq c;"); 3408 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3409 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3410 3411 Tokens = annotate("a = b bitand c;"); 3412 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3413 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3414 3415 Tokens = annotate("a = b bitor c;"); 3416 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3417 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3418 3419 Tokens = annotate("a = b compl c;"); 3420 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3421 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3422 3423 Tokens = annotate("a = b not c;"); 3424 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3425 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3426 3427 Tokens = annotate("a = b not_eq c;"); 3428 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3429 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3430 3431 Tokens = annotate("a = b or c;"); 3432 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3433 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3434 3435 Tokens = annotate("a = b or_eq c;"); 3436 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3437 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3438 3439 Tokens = annotate("a = b xor c;"); 3440 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3441 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3442 3443 Tokens = annotate("a = b xor_eq c;"); 3444 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3445 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3446 3447 Tokens = annotate("xor = foo;"); 3448 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3449 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3450 3451 Tokens = annotate("int xor = foo;"); 3452 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3453 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3454 } 3455 3456 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3457 auto Tokens = 3458 annotate("Foo::Foo(int x, int y) try\n" 3459 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3460 "} catch (...) {\n" 3461 "}"); 3462 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3463 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3464 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3465 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3466 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3467 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3468 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3469 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3470 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3471 } 3472 3473 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3474 auto Style = getLLVMStyle(); 3475 Style.TypenameMacros.push_back("STRUCT"); 3476 3477 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3478 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3479 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3480 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3481 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3482 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3483 } 3484 3485 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3486 auto Style = getGNUStyle(); 3487 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3488 3489 auto Tokens = annotate("return 1 <=> 2;", Style); 3490 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3491 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3492 } 3493 3494 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3495 auto Style = getLLVMStyle(); 3496 Style.ColumnLimit = 20; 3497 3498 auto Tokens = annotate("class foo {\n" 3499 " auto bar()\n" 3500 " -> bool;\n" 3501 "};", 3502 Style); 3503 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3504 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3505 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3506 } 3507 3508 } // namespace 3509 } // namespace format 3510 } // namespace clang 3511