1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public testing::Test { 28 protected: 29 TokenList annotate(StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_SPLIT_PENALTY(FormatTok, Penalty) \ 46 EXPECT_EQ(FormatTok->SplitPenalty, Penalty) << *(FormatTok) 47 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 48 do { \ 49 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 50 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 51 } while (false) 52 53 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 54 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 55 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 56 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 57 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 59 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 60 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 61 62 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 63 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 64 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 65 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 66 67 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 68 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 69 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 70 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 72 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 73 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 74 75 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 76 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 77 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 78 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 79 80 Tokens = annotate("void f() {\n" 81 " while (p < a && *p == 'a')\n" 82 " p++;\n" 83 "}"); 84 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 85 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 86 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 87 88 Tokens = annotate("case *x:"); 89 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 90 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 91 Tokens = annotate("case &x:"); 92 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 93 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 94 95 Tokens = annotate("bool b = 3 == int{3} && true;"); 96 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 97 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 98 99 Tokens = annotate("struct {\n" 100 "} *ptr;"); 101 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 102 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 103 Tokens = annotate("union {\n" 104 "} *ptr;"); 105 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 106 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 107 Tokens = annotate("class {\n" 108 "} *ptr;"); 109 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 110 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 111 112 Tokens = annotate("struct {\n" 113 "} &&ptr = {};"); 114 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 115 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 116 Tokens = annotate("union {\n" 117 "} &&ptr = {};"); 118 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 119 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 120 Tokens = annotate("class {\n" 121 "} &&ptr = {};"); 122 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 123 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 124 Tokens = annotate("int i = int{42} * 2;"); 125 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 126 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 127 128 Tokens = annotate("delete[] *ptr;"); 129 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 130 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 131 Tokens = annotate("delete[] **ptr;"); 132 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 133 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 134 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 135 Tokens = annotate("delete[] *(ptr);"); 136 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 137 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 138 139 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 141 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 142 // FIXME: The star of a function pointer probably makes more sense as 143 // TT_PointerOrReference. 144 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 145 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 146 147 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 148 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 149 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 150 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 151 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 152 153 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 154 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 155 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 156 157 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 158 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 159 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 160 161 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 162 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 163 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 164 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 165 166 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 167 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 168 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 169 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 170 171 Tokens = annotate("Type1 &val1 = val2;"); 172 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 173 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 174 175 Tokens = annotate("Type1 *val1 = &val2;"); 176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 177 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 178 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 179 180 Tokens = annotate("val1 & val2;"); 181 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 182 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 183 184 Tokens = annotate("val1 & val2.member;"); 185 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 186 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 187 188 Tokens = annotate("val1 & val2.*member;"); 189 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 190 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 191 192 Tokens = annotate("val1.*member & val2;"); 193 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 194 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 195 196 Tokens = annotate("val1 & val2->*member;"); 197 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 198 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 199 200 Tokens = annotate("val1->member & val2;"); 201 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 202 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 203 204 Tokens = annotate("val1 & val2 & val3;"); 205 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 206 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 207 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 208 209 Tokens = annotate("val1 & val2 // comment\n" 210 " & val3;"); 211 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 212 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 213 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 214 215 Tokens = 216 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 217 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 218 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 220 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 221 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 222 223 Tokens = annotate("class c {\n" 224 " void func(type &a) { a & member; }\n" 225 " anotherType &member;\n" 226 "}"); 227 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 228 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 229 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 230 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 231 232 Tokens = annotate("struct S {\n" 233 " auto Mem = C & D;\n" 234 "}"); 235 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 236 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 237 238 Tokens = 239 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 240 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 241 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 242 243 Tokens = annotate("template <typename T> struct S {\n" 244 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 245 "};"); 246 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 247 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 248 249 Tokens = annotate("template <bool B = C && D> struct S {};"); 250 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 251 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 252 253 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 254 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 255 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 256 257 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 258 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 259 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 260 261 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 262 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 263 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 264 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 265 266 Tokens = annotate("Foo<A && B> a = {};"); 267 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 268 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 269 270 Tokens = annotate("Foo<A &&> a = {};"); 271 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 272 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 273 274 Tokens = annotate("template <typename T>\n" 275 "enable_if_t<is_integral_v<T>, bool> // comment\n" 276 "operator~(T &a);"); 277 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 278 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 279 280 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 281 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 282 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 283 284 Tokens = 285 annotate("auto foo() noexcept(noexcept(bar()) && " 286 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 287 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 288 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 289 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 290 291 Tokens = annotate("foo = *i < *j && *j > *k;"); 292 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 293 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 294 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 295 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 296 297 FormatStyle Style = getLLVMStyle(); 298 Style.TypeNames.push_back("MYI"); 299 Tokens = annotate("if (MYI *p{nullptr})", Style); 300 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 301 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 302 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 303 304 Style.TypeNames.push_back("Class"); 305 Tokens = annotate("if (Class *obj {getObj()})", Style); 306 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 307 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 308 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 309 310 Tokens = annotate("class Foo {\n" 311 " void operator<() {}\n" 312 " Foo &f;\n" 313 "};"); 314 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 315 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 316 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 317 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 318 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 319 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 320 321 Tokens = annotate("if (new && num) {\n" 322 " new = 1;\n" 323 "}\n" 324 "if (!delete && num) {\n" 325 " delete = 1;\n" 326 "}"); 327 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 328 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 329 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 330 } 331 332 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 333 auto Tokens = annotate("x - 0"); 334 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 335 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 336 Tokens = annotate("0 + 0"); 337 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 338 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 339 Tokens = annotate("x + +0"); 340 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 341 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 342 Tokens = annotate("x ? -0 : +0"); 343 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 344 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 345 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 346 Tokens = annotate("(-0)"); 347 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 348 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 349 Tokens = annotate("0, -0"); 350 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 351 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 352 Tokens = annotate("for (; -1;) {\n}"); 353 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 354 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 355 Tokens = annotate("x = -1;"); 356 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 357 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 358 Tokens = annotate("x[-1]"); 359 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 360 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 361 Tokens = annotate("x = {-1};"); 362 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 363 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 364 Tokens = annotate("case -x:"); 365 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 366 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 367 Tokens = annotate("co_await -x;"); 368 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 369 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 370 Tokens = annotate("co_return -x;"); 371 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 372 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 373 Tokens = annotate("co_yield -x;"); 374 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 375 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 376 Tokens = annotate("delete -x;"); 377 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 378 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 379 Tokens = annotate("return -x;"); 380 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 381 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 382 Tokens = annotate("throw -x;"); 383 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 384 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 385 Tokens = annotate("sizeof -x"); 386 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 387 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 388 Tokens = annotate("co_await +x;"); 389 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 390 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 391 Tokens = annotate("co_return +x;"); 392 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 393 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 394 Tokens = annotate("co_yield +x;"); 395 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 397 Tokens = annotate("delete +x;"); 398 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 399 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 400 Tokens = annotate("return +x;"); 401 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 402 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 403 Tokens = annotate("throw +x;"); 404 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 405 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 406 Tokens = annotate("sizeof +x"); 407 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 408 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 409 Tokens = annotate("(int)-x"); 410 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 411 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 412 Tokens = annotate("(-x)"); 413 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 414 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 415 Tokens = annotate("!+x"); 416 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 417 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 418 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 419 } 420 421 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 422 auto Tokens = annotate("class C {};"); 423 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 424 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 425 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 426 427 Tokens = annotate("const class C {} c;"); 428 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 429 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 430 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 431 432 Tokens = annotate("const class {} c;"); 433 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 434 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 435 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 436 437 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 438 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 439 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 440 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 441 } 442 443 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 444 auto Tokens = annotate("struct S {};"); 445 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 446 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 447 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 448 449 Tokens = annotate("struct macro(a) S {};"); 450 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 451 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 452 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 453 454 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 455 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 456 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 457 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 458 459 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 460 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 461 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 462 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 463 464 Tokens = annotate("struct macro(a) S {\n" 465 " void f(T &t);\n" 466 "};"); 467 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 468 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 469 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 470 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 471 472 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 473 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 474 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 475 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 476 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 477 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 478 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 479 480 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 481 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 482 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 483 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 484 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 485 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 486 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 487 488 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 489 " void f(T const (&a)[n]);\n" 490 "};"); 491 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 492 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 493 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 494 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 495 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 496 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 497 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 498 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 499 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 500 501 Tokens = annotate("template <typename T, enum E e> struct S {};"); 502 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 503 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 504 505 auto Style = getLLVMStyle(); 506 Style.AttributeMacros.push_back("EXPORT"); 507 Tokens = annotate("struct EXPORT StructName {};", Style); 508 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 509 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 510 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 511 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 512 } 513 514 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 515 auto Tokens = annotate("union U {};"); 516 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 517 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 518 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 519 520 Tokens = annotate("union U { void f() { return; } };"); 521 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 522 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 523 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 524 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 525 } 526 527 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 528 auto Tokens = annotate("enum E {};"); 529 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 530 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 531 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 532 } 533 534 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 535 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 536 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 537 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 538 539 Tokens = annotate("template <typename T> void F(T) && = delete;"); 540 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 541 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 542 } 543 544 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 545 auto Tokens = 546 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 547 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 548 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 549 } 550 551 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 552 auto Tokens = 553 annotate("template <typename T> " 554 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 555 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 556 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 557 } 558 559 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 560 auto Tokens = 561 annotate("#define FOO(typeName) \\\n" 562 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 563 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 564 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 565 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 566 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 567 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 568 } 569 570 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 571 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 572 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 573 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 574 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 575 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 576 } 577 578 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 579 // IsExpression = false 580 auto Tokens = annotate("foo<true ? 1 : 2>();"); 581 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 582 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 583 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 584 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 585 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 586 587 // IsExpression = true 588 589 Tokens = annotate("return foo<true ? 1 : 2>();"); 590 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 591 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 592 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 593 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 594 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 595 596 Tokens = annotate("return foo<true ? 1 : 2>{};"); 597 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 598 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 599 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 600 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 601 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 602 } 603 604 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 605 auto Tokens = annotate("return a < b && c > d;"); 606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 607 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 608 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 609 610 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 611 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 612 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 613 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 614 615 Tokens = annotate("return A < B ? true : A > B;"); 616 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 617 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 618 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 619 620 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 621 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 622 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 623 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 624 625 Tokens = annotate("return checklower ? a < b : a > b;"); 626 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 627 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 628 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 629 630 Tokens = annotate("return A < B ^ A > B;"); 631 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 632 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 633 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 634 635 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 636 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 637 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 638 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 639 } 640 641 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 642 auto Tokens = annotate("template <template <typename...> typename X,\n" 643 " template <typename...> class Y,\n" 644 " typename... T>\n" 645 "class A {};"); 646 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 647 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 648 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 649 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 650 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 651 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 652 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 653 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 654 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 655 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 656 } 657 658 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 659 FormatStyle Style = getLLVMStyle(); 660 Style.WhitespaceSensitiveMacros.push_back("FOO"); 661 662 auto Tokens = annotate("FOO(1+2 )", Style); 663 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 664 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 665 666 Tokens = annotate("FOO(a:b:c)", Style); 667 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 668 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 669 } 670 671 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 672 auto Tokens = annotate("delete (void *)p;"); 673 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 674 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 675 676 Tokens = annotate("delete[] (void *)p;"); 677 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 678 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 679 680 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 681 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 682 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 683 684 Tokens = annotate("delete[/*comment*/] (void *)p;"); 685 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 686 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 687 688 Tokens = annotate("delete/*comment*/[] (void *)p;"); 689 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 690 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 691 } 692 693 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 694 auto Tokens = annotate("(void)p;"); 695 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 696 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 697 698 Tokens = annotate("(uint32_t)&&label;"); 699 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 700 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 701 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 702 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 703 704 Tokens = annotate("auto x = (Foo)p;"); 705 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 706 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 707 708 Tokens = annotate("(std::vector<int>)p;"); 709 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 710 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 711 712 Tokens = annotate("return (Foo)p;"); 713 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 714 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 715 716 Tokens = annotate("throw (Foo)p;"); 717 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 718 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 719 720 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 721 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 722 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 723 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 724 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 725 726 Tokens = annotate("#define foo(i) ((i) - bar)"); 727 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 728 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 729 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 730 731 Tokens = annotate("return (Foo) & 10;"); 732 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 733 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 734 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 735 736 Tokens = annotate("return (struct foo){};"); 737 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 738 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 739 740 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 741 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 742 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 743 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 744 745 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 746 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 747 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 748 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 749 750 Tokens = annotate("func((void (*)())&a);"); 751 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 752 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 753 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 754 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 755 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 756 757 Tokens = annotate("int result = ((int)a) - b;"); 758 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 759 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 760 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 761 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 762 763 auto Style = getLLVMStyle(); 764 Style.TypeNames.push_back("Foo"); 765 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 766 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 767 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 768 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 769 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 770 } 771 772 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 773 auto Tokens = annotate("void f() throw(int);"); 774 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 775 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 776 } 777 778 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 779 auto Tokens = annotate("void f() &;"); 780 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 781 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 782 783 Tokens = annotate("void operator=(T) &&;"); 784 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 785 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 786 787 Tokens = annotate("template <typename T> void f() &;"); 788 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 789 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 790 791 Tokens = annotate("template <typename T> void operator=(T) &;"); 792 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 793 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 794 } 795 796 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 797 auto Tokens = annotate("x.operator+()"); 798 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 799 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 800 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 801 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 802 Tokens = annotate("x.operator=()"); 803 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 804 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 805 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 806 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 807 Tokens = annotate("x.operator+=()"); 808 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 809 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 810 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 811 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 812 Tokens = annotate("x.operator,()"); 813 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 814 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 815 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 816 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 817 Tokens = annotate("x.operator()()"); 818 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 819 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 820 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 821 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 822 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 823 Tokens = annotate("x.operator[]()"); 824 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 825 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 826 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 827 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 828 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 829 Tokens = annotate("x.operator\"\"_a()"); 830 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 831 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 832 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 833 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 834 Tokens = annotate("x.operator\"\" _a()"); 835 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 836 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 837 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 838 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 839 Tokens = annotate("x.operator\"\"if()"); 840 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 841 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 842 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 843 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 844 Tokens = annotate("x.operator\"\"s()"); 845 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 846 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 847 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 848 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 849 Tokens = annotate("x.operator\"\" s()"); 850 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 851 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 852 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 853 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 854 855 Tokens = annotate("int operator+(int);"); 856 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 857 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 858 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 859 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 860 Tokens = annotate("auto operator=(T&) {}"); 861 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 862 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 863 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 864 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 865 Tokens = annotate("auto operator()() {}"); 866 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 867 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 868 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 869 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 870 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 871 872 Tokens = annotate("class Foo {\n" 873 " int operator+(a* b);\n" 874 "}"); 875 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 876 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 877 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 878 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 879 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 880 881 Tokens = annotate("class Foo {\n" 882 " int c = operator+(a * b);\n" 883 "}"); 884 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 885 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 886 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 887 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 888 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 889 890 Tokens = annotate("void foo() {\n" 891 " operator+(a * b);\n" 892 "}"); 893 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 894 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 895 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 896 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 897 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 898 899 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 900 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 901 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 902 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 903 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 904 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 905 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 906 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 907 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 908 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 909 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 910 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 911 912 Tokens = annotate("class Foo {\n" 913 " void foo() {\n" 914 " operator+(a * b);\n" 915 " }\n" 916 "}"); 917 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 918 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 919 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 920 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 921 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 922 923 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 924 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 925 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 926 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 927 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 928 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 929 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 930 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 931 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 932 933 Tokens = annotate("decltype(auto) operator()(T &x);"); 934 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 935 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 936 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 937 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 938 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 939 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 940 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 941 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 942 } 943 944 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 945 struct { 946 const char *Text; 947 tok::TokenKind Kind; 948 } Operators[] = {{"+", tok::plus}, 949 {"-", tok::minus}, 950 // FIXME: 951 // {"*", tok::star}, 952 {"/", tok::slash}, 953 {"%", tok::percent}, 954 {"^", tok::caret}, 955 // FIXME: 956 // {"&", tok::amp}, 957 {"|", tok::pipe}, 958 {"~", tok::tilde}, 959 {"!", tok::exclaim}, 960 {"=", tok::equal}, 961 // FIXME: 962 // {"<", tok::less}, 963 {">", tok::greater}, 964 {"+=", tok::plusequal}, 965 {"-=", tok::minusequal}, 966 {"*=", tok::starequal}, 967 {"/=", tok::slashequal}, 968 {"%=", tok::percentequal}, 969 {"^=", tok::caretequal}, 970 {"&=", tok::ampequal}, 971 {"|=", tok::pipeequal}, 972 {"<<", tok::lessless}, 973 {">>", tok::greatergreater}, 974 {">>=", tok::greatergreaterequal}, 975 {"<<=", tok::lesslessequal}, 976 {"==", tok::equalequal}, 977 {"!=", tok::exclaimequal}, 978 {"<=", tok::lessequal}, 979 {">=", tok::greaterequal}, 980 {"<=>", tok::spaceship}, 981 {"&&", tok::ampamp}, 982 {"||", tok::pipepipe}, 983 {"++", tok::plusplus}, 984 {"--", tok::minusminus}, 985 {",", tok::comma}, 986 {"->*", tok::arrowstar}, 987 {"->", tok::arrow}}; 988 989 for (const auto &Operator : Operators) { 990 std::string Input("C<&operator"); 991 Input += Operator.Text; 992 Input += " > a;"; 993 auto Tokens = annotate(std::string(Input)); 994 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 995 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 996 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 997 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 998 } 999 1000 auto Tokens = annotate("C<&operator< <X>> lt;"); 1001 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1002 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1003 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1004 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1005 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1006 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1007 } 1008 1009 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1010 auto Tokens = annotate("template <typename T>\n" 1011 "concept C = (Foo && Bar) && (Bar && Baz);"); 1012 1013 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1014 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1015 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1016 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1017 1018 Tokens = annotate("template <typename T>\n" 1019 "concept C = Foo && !Bar;"); 1020 1021 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1022 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1023 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1024 1025 Tokens = annotate("template <typename T>\n" 1026 "concept C = requires(T t) {\n" 1027 " { t.foo() };\n" 1028 "} && Bar<T> && Baz<T>;"); 1029 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1030 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1031 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1032 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1033 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1034 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1035 1036 Tokens = annotate("template<typename T>\n" 1037 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1038 "struct Foo;"); 1039 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1040 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1041 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1042 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1043 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1044 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1045 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1046 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1047 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1048 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1049 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1050 1051 Tokens = 1052 annotate("template<typename T>\n" 1053 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1054 "struct Foo;"); 1055 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1056 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1057 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1058 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1059 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1060 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1061 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1062 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1063 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1064 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1065 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1066 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1067 1068 Tokens = annotate("template <typename T>\n" 1069 "void foo(T) noexcept requires Bar<T>;"); 1070 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1071 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1072 1073 Tokens = annotate("template <typename T>\n" 1074 "requires Bar<T> || Baz<T>\n" 1075 "auto foo(T) -> int;"); 1076 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1077 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1078 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1079 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1080 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1081 1082 Tokens = annotate("template <typename T>\n" 1083 "requires Bar<T>\n" 1084 "bool foo(T) { return false; }"); 1085 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1086 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1087 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1088 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1089 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1090 1091 Tokens = annotate("template <typename T>\n" 1092 "requires Bar<T>\n" 1093 "decltype(auto) foo(T) { return false; }"); 1094 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1095 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1096 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1097 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1098 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1099 1100 Tokens = annotate("template <typename T>\n" 1101 "struct S {\n" 1102 " void foo() const requires Bar<T>;\n" 1103 " void bar() const & requires Baz<T>;\n" 1104 " void bar() && requires Baz2<T>;\n" 1105 " void baz() const & noexcept requires Baz<T>;\n" 1106 " void baz() && noexcept requires Baz2<T>;\n" 1107 "};\n" 1108 "\n" 1109 "void S::bar() const & requires Baz<T> { }"); 1110 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1111 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1112 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1113 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1114 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1115 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1116 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1117 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1118 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1119 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1120 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1121 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1122 1123 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1124 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1125 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1126 1127 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1128 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1129 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1130 1131 Tokens = 1132 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1133 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1134 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1135 1136 Tokens = annotate("void Class::member() && requires(typename " 1137 "Namespace::Outer<T>::Inner::Constant) {}"); 1138 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1139 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1140 1141 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1142 " template<class T>\n" 1143 " requires requires { number_zero_v<T>; }\n" 1144 " [[nodiscard]] constexpr operator T() const { " 1145 "return number_zero_v<T>; }\n" 1146 "};"); 1147 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1148 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1149 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1150 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1151 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1152 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1153 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1154 1155 Tokens = 1156 annotate("template <class A, class B> concept C =" 1157 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1158 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1159 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1160 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1161 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1162 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1163 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1164 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1165 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1166 1167 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1168 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1169 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1170 1171 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1172 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1173 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1174 1175 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1176 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1177 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1178 1179 Tokens = 1180 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1181 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1182 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1183 1184 Tokens = 1185 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1186 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1187 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1188 1189 Tokens = 1190 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1191 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1192 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1193 1194 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1195 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1196 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1197 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1198 1199 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1200 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1201 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1202 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1203 1204 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1205 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1206 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1207 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1208 1209 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1210 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1211 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1212 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1213 1214 Tokens = annotate("void f() & requires(true) {}"); 1215 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1216 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1217 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1218 1219 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1220 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1221 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1222 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1223 1224 Tokens = annotate("template <typename T>\n" 1225 "concept C = (!Foo<T>) && Bar;"); 1226 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1227 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1228 1229 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1230 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1231 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1232 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1233 1234 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1235 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1236 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1237 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1238 1239 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1240 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1241 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1242 1243 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1244 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1245 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1246 1247 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1248 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1249 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1250 } 1251 1252 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1253 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1254 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1255 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1256 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1257 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1258 1259 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1260 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1261 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1262 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1263 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1264 1265 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1266 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1267 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1268 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1269 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1270 1271 Tokens = annotate("foo(requires(const T t) {});"); 1272 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1273 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1274 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1275 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1276 1277 Tokens = annotate("foo(requires(const int t) {});"); 1278 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1279 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1280 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1281 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1282 1283 Tokens = annotate("foo(requires(const T t) {});"); 1284 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1285 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1286 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1287 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1288 1289 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1290 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1291 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1292 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1293 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1294 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1295 1296 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1297 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1298 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1299 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1300 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1301 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1302 1303 Tokens = annotate("foo(requires(T& t) {});"); 1304 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1305 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1306 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1307 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1308 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1309 1310 Tokens = annotate("foo(requires(T&& t) {});"); 1311 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1312 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1313 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1314 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1315 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1316 1317 Tokens = annotate("bool foo = requires(T& t) {};"); 1318 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1319 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1320 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1321 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1322 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1323 1324 Tokens = annotate("bool foo = requires(T&& t) {};"); 1325 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1326 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1327 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1328 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1329 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1330 1331 Tokens = 1332 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1333 ASSERT_EQ(Tokens.size(), 21u) << 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[12], tok::star, TT_PointerOrReference); 1337 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1338 1339 Tokens = annotate("template <typename T>\n" 1340 "concept C = requires(T T) {\n" 1341 " requires Bar<T> && Foo<T>;\n" 1342 "};"); 1343 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1344 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1345 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1346 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1347 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1348 TT_RequiresClauseInARequiresExpression); 1349 1350 Tokens = annotate("template <typename T>\n" 1351 "concept C = requires(T T) {\n" 1352 " { t.func() } -> std::same_as<int>;" 1353 " requires Bar<T> && Foo<T>;\n" 1354 "};"); 1355 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1356 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1357 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1358 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1359 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1360 TT_RequiresClauseInARequiresExpression); 1361 1362 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1363 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1364 "requires true; };"); 1365 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1366 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1367 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1368 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1369 1370 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1371 " { c.foo(); }\n" 1372 "};"); 1373 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1374 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1375 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1376 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1377 } 1378 1379 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1380 // Everything after #pragma region should be ImplicitStringLiteral 1381 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1382 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1383 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1384 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1385 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1386 1387 // Make sure it's annotated correctly inside a function as well 1388 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1389 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1390 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1391 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1392 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1393 } 1394 1395 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1396 const char *BaseCode = nullptr; 1397 const char *ConstrainedCode = nullptr; 1398 auto BaseTokenCount = 0u; 1399 auto RequiresTokenCount = 0u; 1400 auto PrefixTokenCount = 0u; 1401 1402 auto TestRequires = [&](int Line) { 1403 const auto BaseTokens = annotate(BaseCode); 1404 const auto ConstrainedTokens = annotate(ConstrainedCode); 1405 1406 #define LINE " (Line " << Line << ')' 1407 1408 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1409 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1410 << LINE; 1411 1412 for (auto I = 0u; I < BaseTokenCount; ++I) { 1413 EXPECT_EQ( 1414 *BaseTokens[I], 1415 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1416 << I << LINE; 1417 } 1418 1419 #undef LINE 1420 }; 1421 1422 BaseCode = "template<typename T>\n" 1423 "T Pi = 3.14;"; 1424 ConstrainedCode = "template<typename T>\n" 1425 " requires Foo<T>\n" 1426 "T Pi = 3.14;"; 1427 BaseTokenCount = 11; 1428 RequiresTokenCount = 5; 1429 PrefixTokenCount = 5; 1430 TestRequires(__LINE__); 1431 1432 BaseCode = "template<typename T>\n" 1433 "struct Bar;"; 1434 ConstrainedCode = "template<typename T>\n" 1435 " requires Foo<T>\n" 1436 "struct Bar;"; 1437 BaseTokenCount = 9; 1438 TestRequires(__LINE__); 1439 1440 BaseCode = "template<typename T>\n" 1441 "struct Bar {\n" 1442 " T foo();\n" 1443 " T bar();\n" 1444 "};"; 1445 ConstrainedCode = "template<typename T>\n" 1446 " requires Foo<T>\n" 1447 "struct Bar {\n" 1448 " T foo();\n" 1449 " T bar();\n" 1450 "};"; 1451 BaseTokenCount = 21; 1452 TestRequires(__LINE__); 1453 1454 BaseCode = "template<typename T>\n" 1455 "Bar(T) -> Bar<T>;"; 1456 ConstrainedCode = "template<typename T>\n" 1457 " requires Foo<T>\n" 1458 "Bar(T) -> Bar<T>;"; 1459 BaseTokenCount = 16; 1460 TestRequires(__LINE__); 1461 1462 BaseCode = "template<typename T>\n" 1463 "T foo();"; 1464 ConstrainedCode = "template<typename T>\n" 1465 " requires Foo<T>\n" 1466 "T foo();"; 1467 BaseTokenCount = 11; 1468 TestRequires(__LINE__); 1469 1470 BaseCode = "template<typename T>\n" 1471 "T foo() {\n" 1472 " auto bar = baz();\n" 1473 " return bar + T{};\n" 1474 "}"; 1475 ConstrainedCode = "template<typename T>\n" 1476 " requires Foo<T>\n" 1477 "T foo() {\n" 1478 " auto bar = baz();\n" 1479 " return bar + T{};\n" 1480 "}"; 1481 BaseTokenCount = 26; 1482 TestRequires(__LINE__); 1483 1484 BaseCode = "template<typename T>\n" 1485 "T foo();"; 1486 ConstrainedCode = "template<typename T>\n" 1487 "T foo() requires Foo<T>;"; 1488 BaseTokenCount = 11; 1489 PrefixTokenCount = 9; 1490 TestRequires(__LINE__); 1491 1492 BaseCode = "template<typename T>\n" 1493 "T foo() {\n" 1494 " auto bar = baz();\n" 1495 " return bar + T{};\n" 1496 "}"; 1497 ConstrainedCode = "template<typename T>\n" 1498 "T foo() requires Foo<T> {\n" 1499 " auto bar = baz();\n" 1500 " return bar + T{};\n" 1501 "}"; 1502 BaseTokenCount = 26; 1503 TestRequires(__LINE__); 1504 1505 BaseCode = "template<typename T>\n" 1506 "T foo();"; 1507 ConstrainedCode = "template<typename T>\n" 1508 " requires(Foo<T>)\n" 1509 "T foo();"; 1510 BaseTokenCount = 11; 1511 RequiresTokenCount = 7; 1512 PrefixTokenCount = 5; 1513 TestRequires(__LINE__); 1514 1515 BaseCode = "template<typename T>\n" 1516 "Bar(T) -> Bar<typename T::I>;"; 1517 ConstrainedCode = "template<typename T>\n" 1518 " requires requires(T &&t) {\n" 1519 " typename T::I;\n" 1520 " }\n" 1521 "Bar(T) -> Bar<typename T::I>;"; 1522 BaseTokenCount = 19; 1523 RequiresTokenCount = 14; 1524 PrefixTokenCount = 5; 1525 TestRequires(__LINE__); 1526 1527 BaseCode = "struct [[nodiscard]] zero_t {\n" 1528 " template<class T>\n" 1529 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1530 "};"; 1531 ConstrainedCode = 1532 "struct [[nodiscard]] zero_t {\n" 1533 " template<class T>\n" 1534 " requires requires { v<T>; }\n" 1535 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1536 "};"; 1537 BaseTokenCount = 35; 1538 RequiresTokenCount = 9; 1539 PrefixTokenCount = 13; 1540 TestRequires(__LINE__); 1541 1542 BaseCode = "constexpr Foo(Foo const &other)\n" 1543 " : value{other.value} {\n" 1544 " do_magic();\n" 1545 " do_more_magic();\n" 1546 "}"; 1547 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1548 " requires std::is_copy_constructible<T>\n" 1549 " : value{other.value} {\n" 1550 " do_magic();\n" 1551 " do_more_magic();\n" 1552 "}"; 1553 BaseTokenCount = 26; 1554 RequiresTokenCount = 7; 1555 PrefixTokenCount = 8; 1556 TestRequires(__LINE__); 1557 1558 BaseCode = "constexpr Foo(Foo const &other)\n" 1559 " : value{other.value} {\n" 1560 " do_magic();\n" 1561 " do_more_magic();\n" 1562 "}"; 1563 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1564 " requires (std::is_copy_constructible<T>)\n" 1565 " : value{other.value} {\n" 1566 " do_magic();\n" 1567 " do_more_magic();\n" 1568 "}"; 1569 RequiresTokenCount = 9; 1570 TestRequires(__LINE__); 1571 1572 BaseCode = "template<typename T>\n" 1573 "ANNOTATE(\"S\"\n" 1574 " \"S\")\n" 1575 "void foo();"; 1576 ConstrainedCode = "template<typename T>\n" 1577 " requires(true)\n" 1578 "ANNOTATE(\"S\"\n" 1579 " \"S\")\n" 1580 "void foo();"; 1581 BaseTokenCount = 16; 1582 RequiresTokenCount = 4; 1583 PrefixTokenCount = 5; 1584 TestRequires(__LINE__); 1585 } 1586 1587 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1588 auto Tokens = annotate("__asm{\n" 1589 "\"a\":\n" 1590 ": x\n" 1591 ":};"); 1592 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1593 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1594 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1595 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1596 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1597 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1598 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1599 1600 Tokens = annotate("__asm(\n" 1601 "\"a\":\n" 1602 ": x\n" 1603 ":);"); 1604 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1605 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1606 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1607 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1608 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1609 1610 Tokens = annotate("asm volatile (\n" 1611 "\"a_label:\"\n" 1612 ":\n" 1613 ": x\n" 1614 ":);"); 1615 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1616 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1617 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1618 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1619 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1620 1621 Tokens = annotate("__asm__(\n" 1622 "\"a_label:\"\n" 1623 ": x\n" 1624 ":\n" 1625 ": y);"); 1626 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1627 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1628 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1629 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1630 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1631 1632 Tokens = annotate("__asm volatile (\n" 1633 "\"a_label:\"\n" 1634 "\"a b c(%%x)\"\n" 1635 ":\n" 1636 ": x\n" 1637 ":);"); 1638 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1639 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1640 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1641 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1642 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1643 1644 Tokens = annotate("asm(\n" 1645 "\"insn\"\n" 1646 ": \"=r\" (var1), \"=&r\" (value)\n" 1647 ":\n" 1648 ": \"memory\");"); 1649 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1650 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1651 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1652 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1653 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1654 1655 Tokens = annotate("__asm__ volatile (\n" 1656 "\"ldr r1, [r0, %%[sym]]\"\n" 1657 ":\n" 1658 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1659 ");"); 1660 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1661 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1662 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1663 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1664 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1665 } 1666 1667 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1668 auto Tokens = annotate("int (^)() = ^ ()\n" 1669 " external_source_symbol() { //\n" 1670 " return 1;\n" 1671 "};"); 1672 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1673 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1674 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1675 1676 Tokens = annotate("int *p = ^int*(){ //\n" 1677 " return nullptr;\n" 1678 "}();"); 1679 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1680 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1681 1682 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1683 " return a;\n" 1684 "};"); 1685 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1686 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1687 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1688 } 1689 1690 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1691 auto Tokens = annotate("void f() {\n" 1692 " //\n" 1693 " BOOL a = [b.c n] > 1;\n" 1694 "}"); 1695 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1696 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1697 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1698 } 1699 1700 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1701 auto Tokens = annotate("[]() constexpr {}"); 1702 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1703 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1704 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1705 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1706 1707 Tokens = annotate("[]() consteval {}"); 1708 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1709 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1710 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1711 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1712 1713 Tokens = annotate("[]() mutable {}"); 1714 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1715 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1716 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1717 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1718 1719 Tokens = annotate("[]() static {}"); 1720 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1721 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1722 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1723 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1724 1725 Tokens = annotate("[]() -> auto {}"); 1726 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1727 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1728 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1729 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1730 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1731 1732 Tokens = annotate("[]() -> auto & {}"); 1733 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1734 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1735 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1736 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1737 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1738 1739 Tokens = annotate("[]() -> auto * {}"); 1740 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1741 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1742 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1743 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1744 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1745 1746 Tokens = annotate("[] {}"); 1747 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1748 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1749 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1750 1751 Tokens = annotate("[] noexcept {}"); 1752 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1753 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1754 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1755 1756 Tokens = annotate("[] -> auto {}"); 1757 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1758 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1759 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1760 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1761 1762 Tokens = annotate("[] -> struct S { return {}; }"); 1763 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1764 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1765 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1766 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1767 1768 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1769 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1770 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1771 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1772 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1773 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1774 1775 Tokens = annotate("[] <typename T> () {}"); 1776 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1777 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1778 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1779 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1780 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1781 1782 Tokens = annotate("[] <typename T> {}"); 1783 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1784 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1785 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1786 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1787 1788 Tokens = annotate("[] <typename... T> () {}"); 1789 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1790 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1791 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1792 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1793 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1794 1795 Tokens = annotate("[] <typename... T> {}"); 1796 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1797 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1798 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1799 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1800 1801 Tokens = annotate("[] <int... T> () {}"); 1802 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1803 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1804 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1805 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1806 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1807 1808 Tokens = annotate("[] <int... T> {}"); 1809 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1810 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1811 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1812 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1813 1814 Tokens = annotate("[] <Foo... T> () {}"); 1815 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1816 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1817 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1818 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1819 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1820 1821 Tokens = annotate("[] <Foo... T> {}"); 1822 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1823 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1824 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1825 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1826 1827 // Lambdas with a requires-clause 1828 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1829 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1830 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1831 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1832 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1833 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1834 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1835 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1836 1837 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1838 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1839 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1840 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1841 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1842 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1843 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1844 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1845 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1846 1847 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1848 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1849 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1850 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1851 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1852 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1853 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1854 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1855 1856 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1857 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1858 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1859 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1860 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1861 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1862 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1863 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1864 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1865 1866 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1867 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1868 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1869 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1870 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1871 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1872 // FIXME: 1873 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1874 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1875 1876 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1877 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1878 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1879 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1880 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1881 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1882 // FIXME: 1883 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1884 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1885 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1886 1887 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1888 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1889 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1890 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1891 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1892 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1893 // FIXME: 1894 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1895 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1896 1897 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1898 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1899 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1900 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1901 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1902 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1903 // FIXME: 1904 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1905 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1906 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1907 1908 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1909 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1910 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1911 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1912 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1913 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1914 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1915 1916 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1917 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1918 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1919 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1920 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1921 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1922 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1923 1924 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1925 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1926 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1927 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1928 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1929 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1930 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1931 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1932 1933 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1934 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1935 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1936 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1937 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1938 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1939 // FIXME: 1940 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1941 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1942 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1943 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1944 1945 Tokens = annotate("[] <typename T = int> (T t) {}"); 1946 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1947 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1948 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1949 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1950 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1951 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1952 1953 Tokens = annotate("[] <int I = 0> (T t) {}"); 1954 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1955 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1956 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1957 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1958 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1959 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1960 1961 Tokens = annotate("[] <bool b = false> (T t) {}"); 1962 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1963 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1964 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1965 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1966 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1967 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1968 1969 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1970 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1971 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1972 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1973 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1974 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1975 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 1976 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1977 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1978 1979 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1980 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1981 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1982 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1983 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1984 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1985 // FIXME: 1986 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 1987 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1988 } 1989 1990 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1991 auto Tokens = annotate("template <typename T>\n" 1992 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1993 "string OldFunction(const string ¶meter) {}"); 1994 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1995 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1996 1997 Tokens = annotate("template <typename T>\n" 1998 "A(T) noexcept;"); 1999 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2000 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2001 2002 Tokens = annotate("FOO(bar)();"); 2003 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2004 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2005 } 2006 2007 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2008 auto Tokens = annotate("void f [[noreturn]] ();"); 2009 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2010 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2011 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2012 2013 Tokens = annotate("void f [[noreturn]] () {}"); 2014 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2015 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2016 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2017 2018 Tokens = annotate("#define FOO Foo::\n" 2019 "FOO Foo();"); 2020 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2021 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2022 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2023 2024 Tokens = annotate("struct Foo {\n" 2025 " Bar (*func)();\n" 2026 "};"); 2027 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2028 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2029 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2030 2031 Tokens = annotate("void instanceof();"); 2032 ASSERT_EQ(Tokens.size(), 6u); 2033 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2034 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2035 2036 Tokens = annotate("int iso_time(time_t);"); 2037 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2038 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2039 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2040 2041 auto Style = getLLVMStyle(); 2042 Style.TypeNames.push_back("MyType"); 2043 Tokens = annotate("int iso_time(MyType);", Style); 2044 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2045 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2046 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2047 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2048 } 2049 2050 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2051 auto Tokens = annotate("class Foo { public: Foo(); };"); 2052 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2053 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2054 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2055 2056 Tokens = annotate("class Foo { public: ~Foo(); };"); 2057 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2058 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2059 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2060 2061 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2062 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2063 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2064 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2065 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2066 2067 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2068 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2069 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2070 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2071 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2072 2073 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2074 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2075 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2076 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2077 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2078 2079 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2080 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2081 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2082 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2083 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2084 2085 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2086 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2087 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2088 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2089 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2090 2091 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2092 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2093 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2094 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2095 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2096 2097 Tokens = annotate("Foo::Foo() {}"); 2098 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2099 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2100 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2101 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2102 2103 Tokens = annotate("Foo::~Foo() {}"); 2104 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2105 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2106 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2107 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2108 2109 Tokens = annotate("struct Test {\n" 2110 " Test()\n" 2111 " : l([] {\n" 2112 " Short::foo();\n" 2113 " }) {}\n" 2114 "};"); 2115 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2116 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2117 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2118 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2119 } 2120 2121 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2122 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2123 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2124 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2125 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2126 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2127 } 2128 2129 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2130 auto Tokens = annotate("auto f() -> int;"); 2131 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2132 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2133 2134 Tokens = annotate("auto operator->() -> int;"); 2135 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2136 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2137 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2138 2139 Tokens = annotate("auto operator++(int) -> int;"); 2140 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2141 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2142 2143 Tokens = annotate("auto operator=() -> int;"); 2144 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2145 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2146 2147 Tokens = annotate("auto operator=(int) -> int;"); 2148 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2149 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2150 2151 Tokens = annotate("auto foo() -> auto { return Val; }"); 2152 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2153 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2154 2155 Tokens = annotate("struct S { auto bar() const -> int; };"); 2156 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2157 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2158 2159 // Not trailing return arrows 2160 Tokens = annotate("auto a = b->c;"); 2161 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2162 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2163 2164 Tokens = annotate("auto a = (b)->c;"); 2165 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2166 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2167 2168 Tokens = annotate("auto a = b()->c;"); 2169 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2170 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2171 2172 Tokens = annotate("auto a = b->c();"); 2173 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2174 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2175 2176 Tokens = annotate("decltype(auto) a = b()->c;"); 2177 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2178 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2179 2180 Tokens = annotate("void f() { auto a = b->c(); }"); 2181 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2182 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2183 2184 Tokens = annotate("void f() { auto a = b()->c; }"); 2185 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2186 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2187 2188 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2189 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2190 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2191 2192 Tokens = annotate("void f() FOO(foo->bar);"); 2193 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2194 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2195 2196 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2197 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2198 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2199 2200 auto Style = getLLVMStyle(); 2201 Style.StatementAttributeLikeMacros.push_back("emit"); 2202 Tokens = annotate("emit foo()->bar;", Style); 2203 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2204 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2205 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2206 2207 // Mixed 2208 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2209 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2210 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2211 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2212 } 2213 2214 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2215 auto Tokens = annotate("#define Foo(Bar) \\\n" 2216 " { \\\n" 2217 " #Bar \\\n" 2218 " }"); 2219 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2220 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2221 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2222 2223 Tokens = annotate("#define Foo(Bar) \\\n" 2224 " { #Bar }"); 2225 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2226 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2227 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2228 2229 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2230 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2231 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2232 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2233 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2234 } 2235 2236 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2237 // '__attribute__' has special handling. 2238 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2239 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2240 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2241 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2242 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2243 2244 // Generic macro has no special handling in this location. 2245 Tokens = annotate("A(X) void Foo(void);"); 2246 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2247 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2248 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2249 2250 // Add a custom AttributeMacro. Test that it has the same behavior. 2251 FormatStyle Style = getLLVMStyle(); 2252 Style.AttributeMacros.push_back("A"); 2253 2254 // An "AttributeMacro" gets annotated like '__attribute__'. 2255 Tokens = annotate("A(X) void Foo(void);", Style); 2256 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2257 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2258 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2259 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2260 } 2261 2262 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2263 // '__attribute__' has special handling. 2264 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2265 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2266 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2267 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2268 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2269 2270 // Generic macro has no special handling in this location. 2271 Tokens = annotate("A(X) @interface Foo"); 2272 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2273 // Note: Don't check token-type as a random token in this position is hard to 2274 // reason about. 2275 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2276 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2277 2278 // Add a custom AttributeMacro. Test that it has the same behavior. 2279 FormatStyle Style = getLLVMStyle(); 2280 Style.AttributeMacros.push_back("A"); 2281 2282 // An "AttributeMacro" gets annotated like '__attribute__'. 2283 Tokens = annotate("A(X) @interface Foo", Style); 2284 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2285 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2286 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2287 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2288 } 2289 2290 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2291 // '__attribute__' has special handling. 2292 auto Tokens = annotate("- (id)init __attribute__((X));"); 2293 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2294 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2295 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2296 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2297 2298 // Generic macro has no special handling in this location. 2299 Tokens = annotate("- (id)init A(X);"); 2300 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2301 // Note: Don't check token-type as a random token in this position is hard to 2302 // reason about. 2303 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2304 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2305 2306 // Add a custom AttributeMacro. Test that it has the same behavior. 2307 FormatStyle Style = getLLVMStyle(); 2308 Style.AttributeMacros.push_back("A"); 2309 2310 // An "AttributeMacro" gets annotated like '__attribute__'. 2311 Tokens = annotate("- (id)init A(X);", Style); 2312 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2313 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2314 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2315 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2316 } 2317 2318 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2319 // '__attribute__' has special handling. 2320 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2321 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2322 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2323 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2324 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2325 2326 // Generic macro has no special handling in this location. 2327 Tokens = annotate("@property(weak) id delegate A(X);"); 2328 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2329 // Note: Don't check token-type as a random token in this position is hard to 2330 // reason about. 2331 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2332 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2333 2334 // Add a custom AttributeMacro. Test that it has the same behavior. 2335 FormatStyle Style = getLLVMStyle(); 2336 Style.AttributeMacros.push_back("A"); 2337 2338 // An "AttributeMacro" gets annotated like '__attribute__'. 2339 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2340 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2341 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2342 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2343 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2344 } 2345 2346 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2347 auto Annotate = [this](StringRef Code) { 2348 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2349 }; 2350 // Test that unary operators get labeled as such and that operators like '++' 2351 // don't get split. 2352 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2353 tok::tilde, tok::amp, tok::pipe, 2354 tok::caret, tok::plusplus, tok::minusminus}; 2355 for (auto Kind : Unary) { 2356 auto Tokens = 2357 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2358 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2359 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2360 } 2361 // Operators formed by joining two operators like '^~'. For some of these 2362 // joined operators, we don't have a separate type, so we only test for their 2363 // precedence. 2364 std::pair<prec::Level, std::string> JoinedBinary[] = { 2365 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2366 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2367 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2368 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2369 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2370 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2371 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2372 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2373 {prec::Equality, "!="}, {prec::Equality, "==="}, 2374 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2375 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2376 {prec::ExclusiveOr, "^~"}, 2377 }; 2378 for (auto Operator : JoinedBinary) { 2379 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2380 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2381 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2382 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2383 } 2384 // '~^' and '^~' can be unary as well as binary operators. 2385 auto Tokens = Annotate("x = ~^x;"); 2386 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2387 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2388 Tokens = Annotate("x = ^~x;"); 2389 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2390 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2391 // The unary operators '~&' and '~|' can only be unary operators. The current 2392 // implementation treats each of them as separate unary '~' and '&' or '|' 2393 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2394 // there is a test that there is no space in between. And even if a new line 2395 // is inserted between the '~' and '|', the semantic meaning is the same as 2396 // the joined operator, so the CanBreakBefore property doesn't need to be 2397 // false for the second operator. 2398 Tokens = Annotate("x = ~&x;"); 2399 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2400 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2401 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2402 Tokens = Annotate("x = ~|x;"); 2403 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2404 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2405 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2406 // Test for block label colons. 2407 Tokens = Annotate("begin : x\n" 2408 "end : x"); 2409 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2410 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2411 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2412 // Test that the dimension colon is annotated correctly. 2413 Tokens = Annotate("var [1 : 0] x;"); 2414 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2415 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2416 Tokens = Annotate("extern function [1 : 0] x;"); 2417 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2418 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2419 Tokens = Annotate("module test\n" 2420 " (input wire [7 : 0] a[7 : 0]);\n" 2421 "endmodule"); 2422 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2423 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2424 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2425 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2426 // Test case labels and ternary operators. 2427 Tokens = Annotate("case (x)\n" 2428 " x:\n" 2429 " x;\n" 2430 "endcase"); 2431 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2432 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2433 Tokens = Annotate("case (x)\n" 2434 " x ? x : x:\n" 2435 " x;\n" 2436 "endcase"); 2437 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2438 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2439 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2440 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2441 // Non-blocking assignments. 2442 Tokens = Annotate("a <= b;"); 2443 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2444 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2445 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2446 Tokens = Annotate("if (a <= b) break;"); 2447 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2448 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2449 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2450 Tokens = Annotate("a <= b <= a;"); 2451 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2452 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2453 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2454 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2455 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2456 2457 // Port lists in module instantiation. 2458 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2459 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2460 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2461 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2462 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2463 "instance_2(port_2);"); 2464 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2465 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2466 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2467 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2468 2469 // Condition parentheses. 2470 Tokens = Annotate("assert (x);"); 2471 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2472 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2473 Tokens = Annotate("assert #0 (x);"); 2474 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2475 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2476 Tokens = Annotate("assert final (x);"); 2477 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2478 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2479 Tokens = Annotate("foreach (x[x]) continue;"); 2480 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2481 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2482 Tokens = Annotate("repeat (x[x]) continue;"); 2483 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2484 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2485 Tokens = Annotate("case (x) endcase;"); 2486 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2487 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2488 2489 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2490 // future, please adapt if those tokens get annotated. This test is only here 2491 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2492 Tokens = Annotate("always @(posedge x, posedge y);"); 2493 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2494 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2495 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2496 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2497 2498 // String literals in concatenation. 2499 Tokens = Annotate("x = {\"\"};"); 2500 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2501 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2502 Tokens = Annotate("x = {\"\", \"\"};"); 2503 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2504 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2505 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2506 Tokens = Annotate("x = '{{\"\"}};"); 2507 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2508 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2509 // Cases where the string should not be annotated that type. Fix the 2510 // `TT_Unknown` if needed in the future. 2511 Tokens = Annotate("x = {\"\" == \"\"};"); 2512 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2513 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2514 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2515 Tokens = Annotate("x = {(\"\")};"); 2516 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2517 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2518 Tokens = Annotate("x = '{\"\"};"); 2519 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2520 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2521 } 2522 2523 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2524 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2525 ASSERT_TRUE(Style.isTableGen()); 2526 2527 TestLexer Lexer(Allocator, Buffers, Style); 2528 AdditionalKeywords Keywords(Lexer.IdentTable); 2529 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2530 2531 // Additional keywords representation test. 2532 auto Tokens = Annotate("def foo : Bar<1>;"); 2533 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2534 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2535 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2536 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2537 2538 // Code, the multiline string token. 2539 Tokens = Annotate("[{ code is multiline string }]"); 2540 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2541 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2542 EXPECT_FALSE(Tokens[0]->IsMultiline); 2543 // Case with multiple lines. 2544 Tokens = Annotate("[{ It can break\n" 2545 " across lines and the line breaks\n" 2546 " are retained in \n" 2547 " the string. }]"); 2548 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2549 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2550 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2551 EXPECT_TRUE(Tokens[0]->IsMultiline); 2552 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2553 2554 // Numeric literals. 2555 Tokens = Annotate("1234"); 2556 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2557 Tokens = Annotate("-1"); 2558 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2559 Tokens = Annotate("+1234"); 2560 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2561 Tokens = Annotate("0b0110"); 2562 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2563 Tokens = Annotate("0x1abC"); 2564 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2565 2566 // Identifier tokens. In TableGen, identifiers can begin with a number. 2567 // In ambiguous cases, the lexer tries to lex it as a number. 2568 // Even if the try fails, it does not fall back to identifier lexing and 2569 // regard as an error. 2570 // The ambiguity is not documented. The result of those tests are based on the 2571 // implementation of llvm::TGLexer::LexToken. 2572 // This is invalid syntax of number, but not an identifier. 2573 Tokens = Annotate("0x1234x"); 2574 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2575 Tokens = Annotate("identifier"); 2576 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2577 // Identifier beginning with a number. 2578 Tokens = Annotate("0x"); 2579 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2580 Tokens = Annotate("2dVector"); 2581 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2582 Tokens = Annotate("01234Vector"); 2583 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2584 2585 // Structured statements. 2586 Tokens = Annotate("class Foo {}"); 2587 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2588 Tokens = Annotate("def Def: Foo {}"); 2589 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2590 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2591 Tokens = Annotate("if cond then {} else {}"); 2592 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2593 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2594 Tokens = Annotate("defset Foo Def2 = {}"); 2595 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2596 2597 // Bang Operators. 2598 Tokens = Annotate("!foreach"); 2599 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2600 Tokens = Annotate("!if"); 2601 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2602 Tokens = Annotate("!cond"); 2603 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2604 2605 auto AnnotateValue = [this, &Style](StringRef Code) { 2606 // Values are annotated only in specific context. 2607 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2608 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2609 }; 2610 // Both of bang/cond operators. 2611 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2612 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2613 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2614 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2615 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2616 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2617 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2618 // DAGArg values with operator identifier 2619 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2620 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2621 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2622 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2623 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2624 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2625 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2626 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2627 // List literal 2628 Tokens = AnnotateValue("[1, 2, 3]"); 2629 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2630 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2631 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2632 // Suffixes of values 2633 Tokens = AnnotateValue("valid.field"); 2634 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2635 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2636 // Code 2637 Tokens = AnnotateValue("[{ code is multiline string }]"); 2638 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2639 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2640 2641 // The definition 2642 Tokens = annotate("def Def : Parent<Child> {}", Style); 2643 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2644 // We use inheritance colon and function brace. They are enough. 2645 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2646 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2647 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2648 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2649 2650 // DAGArg breaking options. They use different token types depending on what 2651 // is specified. 2652 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2653 2654 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2655 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2656 // elements to have line break. 2657 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2658 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2659 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2660 EXPECT_TOKEN(Tokens[1], tok::identifier, 2661 TT_TableGenDAGArgOperatorID); // ins 2662 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2663 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2664 2665 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2666 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2667 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2668 EXPECT_TOKEN(Tokens[1], tok::identifier, 2669 TT_TableGenDAGArgOperatorID); // other 2670 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2671 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2672 2673 // For non-identifier operators, breaks after the operator. 2674 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2675 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2676 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2677 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2678 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2679 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2680 2681 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2682 2683 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2684 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2685 // to have line break inside it. 2686 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2687 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2688 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2689 EXPECT_TOKEN(Tokens[1], tok::identifier, 2690 TT_TableGenDAGArgOperatorToBreak); // ins 2691 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2692 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2693 2694 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2695 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2696 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2697 EXPECT_TOKEN(Tokens[1], tok::identifier, 2698 TT_TableGenDAGArgOperatorToBreak); // other 2699 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2700 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2701 2702 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2703 // specified operators. 2704 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2705 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2706 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2707 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2708 EXPECT_TOKEN(Tokens[1], tok::identifier, 2709 TT_TableGenDAGArgOperatorToBreak); // ins 2710 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2711 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2712 2713 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2714 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2715 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2716 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2717 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2718 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2719 2720 // If TableGenBreakingDAGArgOperators is enabled, it uses 2721 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2722 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2723 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2724 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2725 EXPECT_TOKEN(Tokens[1], tok::identifier, 2726 TT_TableGenDAGArgOperatorToBreak); // ins 2727 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2728 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2729 2730 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2731 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2732 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2733 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2734 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2735 } 2736 2737 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2738 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2739 2740 // The TT_Unknown is clearly not binding for the future, please adapt if those 2741 // tokens get annotated. 2742 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2743 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2744 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2745 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2746 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2747 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2748 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2749 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2750 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2751 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2752 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2753 2754 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2755 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2756 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2757 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2758 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2759 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2760 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2761 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2762 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2763 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2764 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2765 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2766 2767 Tokens = annotate("class Class {\n" 2768 " Class() : BaseClass() {\n" 2769 "#if 0\n" 2770 " // comment\n" 2771 "#endif\n" 2772 " }\n" 2773 " Class f();\n" 2774 "}"); 2775 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2776 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2777 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2778 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2779 } 2780 2781 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2782 auto Tokens = annotate("if (x) {}"); 2783 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2784 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2785 Tokens = annotate("if constexpr (x) {}"); 2786 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2787 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2788 Tokens = annotate("if CONSTEXPR (x) {}"); 2789 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2790 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2791 Tokens = annotate("if (x) {} else if (x) {}"); 2792 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2793 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2794 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2795 } 2796 2797 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2798 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2799 2800 auto Tokens = annotate("int? a;", Style); 2801 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2802 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2803 2804 Tokens = annotate("int? a = 1;", Style); 2805 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2806 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2807 2808 Tokens = annotate("int?)", Style); 2809 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2810 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2811 2812 Tokens = annotate("int?>", Style); 2813 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2814 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2815 2816 Tokens = annotate("cond? id : id2", Style); 2817 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2818 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2819 2820 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2821 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2822 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2823 } 2824 2825 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2826 auto Tokens = annotate("{ x: break; }"); 2827 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2828 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2829 2830 Tokens = annotate("{ case x: break; }"); 2831 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2832 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2833 2834 Tokens = annotate("{ x: { break; } }"); 2835 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2836 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2837 2838 Tokens = annotate("{ case x: { break; } }"); 2839 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2840 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2841 2842 Tokens = annotate("#define FOO label:"); 2843 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2844 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2845 2846 Tokens = annotate("#define FOO \\\n" 2847 "label: \\\n" 2848 " break;"); 2849 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2850 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2851 } 2852 2853 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2854 // The closing braces are not annotated. It doesn't seem to cause a problem. 2855 // So we only test for the opening braces. 2856 auto Tokens = annotate("{\n" 2857 " {\n" 2858 " { int a = 0; }\n" 2859 " }\n" 2860 " {}\n" 2861 "}"); 2862 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2863 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2864 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2865 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2866 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2867 } 2868 2869 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2870 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2871 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2872 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2873 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2874 2875 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2876 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2877 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2878 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2879 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2880 2881 Tokens = annotate("SomeStruct {\n" 2882 "#ifdef FOO\n" 2883 " .a = 1,\n" 2884 "#endif\n" 2885 " .b = 2\n" 2886 "};"); 2887 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2888 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2889 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2890 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2891 2892 Tokens = annotate("SomeStruct {\n" 2893 "#if defined FOO\n" 2894 " .a = 1,\n" 2895 "#endif\n" 2896 " .b = 2\n" 2897 "};"); 2898 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2899 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2900 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2901 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2902 2903 Tokens = annotate("Foo foo[] = {[0]{}};"); 2904 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2905 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2906 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2907 } 2908 2909 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2910 auto Annotate = [this](StringRef Code) { 2911 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2912 }; 2913 2914 // Dictionary. 2915 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2916 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2917 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2918 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2919 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2920 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2921 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2922 // Change when we need to annotate these. 2923 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2924 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2925 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2926 } 2927 2928 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2929 auto Tokens = annotate("bool foo __attribute__((unused));"); 2930 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2931 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2932 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2933 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2934 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2935 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2936 2937 Tokens = annotate("bool foo __declspec(dllimport);"); 2938 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2939 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2940 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2941 2942 Tokens = annotate("bool __attribute__((unused)) foo;"); 2943 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2944 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2945 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2946 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2947 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2948 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2949 2950 Tokens = annotate("void __attribute__((x)) Foo();"); 2951 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2952 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2953 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2954 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2955 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2956 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2957 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2958 2959 FormatStyle Style = getLLVMStyle(); 2960 Style.AttributeMacros.push_back("FOO"); 2961 Tokens = annotate("bool foo FOO(unused);", Style); 2962 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2963 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2964 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2965 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2966 } 2967 2968 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2969 auto Tokens = annotate("while (true) {}"); 2970 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2971 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2972 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2973 2974 Tokens = annotate("for (;;) {}"); 2975 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2976 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2977 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2978 2979 Tokens = annotate("do {} while (true);"); 2980 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2981 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2982 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2983 2984 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2985 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2986 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2987 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2988 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2989 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2990 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2991 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2992 2993 Tokens = annotate("switch (foo) {}"); 2994 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2995 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2996 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2997 } 2998 2999 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3000 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3001 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3002 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3003 3004 Tokens = annotate("do ++i; while ( i > 5 );"); 3005 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3006 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3007 } 3008 3009 TEST_F(TokenAnnotatorTest, StartOfName) { 3010 auto Tokens = annotate("#pragma clang diagnostic push"); 3011 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3012 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3013 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3014 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3015 3016 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3017 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3018 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3019 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3020 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3021 3022 Tokens = annotate("#define FOO Foo foo"); 3023 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3024 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3025 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3026 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3027 3028 Tokens = annotate("@interface NSCoder (TestCoder)"); 3029 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3030 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3031 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3032 3033 auto Style = getLLVMStyle(); 3034 Style.StatementAttributeLikeMacros.push_back("emit"); 3035 Tokens = annotate("emit foo = 0;", Style); 3036 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3037 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3038 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3039 } 3040 3041 TEST_F(TokenAnnotatorTest, BraceKind) { 3042 auto Tokens = annotate("void f() {};"); 3043 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3044 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3045 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3046 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3047 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3048 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3049 3050 Tokens = annotate("class Foo<int> f() {}"); 3051 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3052 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3053 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3054 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3055 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3056 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3057 3058 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3059 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3060 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3061 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3062 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3063 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3064 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3065 3066 Tokens = annotate("void f() override {};"); 3067 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3068 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3069 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3070 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3071 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3072 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3073 3074 Tokens = annotate("void f() noexcept(false) {};"); 3075 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3076 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3077 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3078 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3079 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3080 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3081 3082 Tokens = annotate("auto f() -> void {};"); 3083 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3084 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3085 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3086 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3087 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3088 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3089 3090 Tokens = annotate("void f() { /**/ };"); 3091 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3092 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3093 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3094 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3095 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3096 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3097 3098 Tokens = annotate("void f() { //\n" 3099 "};"); 3100 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3101 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3102 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3103 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3104 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3105 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3106 3107 Tokens = annotate("void f() {\n" 3108 " //\n" 3109 "};"); 3110 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3111 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3112 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3113 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3114 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3115 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3116 3117 Tokens = annotate("struct Foo {\n" 3118 " Foo() {};\n" 3119 " ~Foo() {};\n" 3120 "};"); 3121 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3122 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3123 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3124 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3125 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3126 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3127 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3128 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3129 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3130 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3131 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3132 3133 Tokens = annotate("{\n" 3134 " char *a[] = {\n" 3135 " /* abc */ \"abc\",\n" 3136 "#if FOO\n" 3137 " /* xyz */ \"xyz\",\n" 3138 "#endif\n" 3139 " /* last */ \"last\"};\n" 3140 "}"); 3141 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3142 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3143 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3144 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3145 3146 Tokens = 3147 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3148 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3149 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3150 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3151 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3152 3153 Tokens = annotate("struct {};"); 3154 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3155 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3156 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3157 3158 Tokens = annotate("struct : Base {};"); 3159 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3160 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3161 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3162 3163 Tokens = annotate("struct Foo {};"); 3164 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3165 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3166 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3167 3168 Tokens = annotate("struct ::Foo {};"); 3169 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3170 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3171 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3172 3173 Tokens = annotate("struct NS::Foo {};"); 3174 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3175 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3176 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3177 3178 Tokens = annotate("struct Foo<int> {};"); 3179 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3180 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3181 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3182 3183 Tokens = annotate("struct Foo<int>::Bar {};"); 3184 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3185 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3186 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3187 3188 Tokens = annotate("struct Foo<int> : Base {};"); 3189 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3190 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3191 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3192 3193 Tokens = annotate("struct Foo final {};"); 3194 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3195 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3196 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3197 3198 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3199 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3200 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3201 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3202 3203 Tokens = annotate("struct Foo x{};"); 3204 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3205 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3206 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3207 3208 Tokens = annotate("struct ::Foo x{};"); 3209 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3210 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3211 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3212 3213 Tokens = annotate("struct NS::Foo x{};"); 3214 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3215 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3216 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3217 3218 Tokens = annotate("struct Foo<int> x{};"); 3219 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3220 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3221 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3222 3223 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3224 "#else\n" 3225 "#endif\n" 3226 "class RenderingServer : Object {\n" 3227 "#ifndef DISABLE_DEPRECATED\n" 3228 " enum Features {\n" 3229 " FEATURE_SHADERS,\n" 3230 " FEATURE_MULTITHREADED,\n" 3231 " };\n" 3232 "#endif\n" 3233 "};"); 3234 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3235 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3236 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3237 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3238 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3239 3240 Tokens = annotate("{\n" 3241 "#define M(x) \\\n" 3242 " return {#x};\n" 3243 "}"); 3244 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3245 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3246 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3247 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3248 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3249 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3250 3251 Tokens = annotate("a = class extends goog.a {};", 3252 getGoogleStyle(FormatStyle::LK_JavaScript)); 3253 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3254 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3255 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3256 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3257 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3258 3259 Tokens = annotate("#define FOO(X) \\\n" 3260 " struct X##_tag_ {};"); 3261 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3262 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3263 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3264 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3265 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3266 3267 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3268 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3269 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3270 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3271 } 3272 3273 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3274 auto Tokens = annotate("auto foo() -> enum En {}"); 3275 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3276 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3277 } 3278 3279 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3280 auto Tokens = annotate("{\n" 3281 " {\n" 3282 " foo();\n" 3283 " }\n" 3284 "}"); 3285 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3286 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3287 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3288 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3289 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3290 3291 Tokens = annotate("void bar() {\n" 3292 " {\n" 3293 " foo();\n" 3294 " }\n" 3295 "}"); 3296 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3297 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3298 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3299 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3300 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3301 3302 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3303 getLLVMStyle(FormatStyle::LK_ObjC)); 3304 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3305 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3306 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3307 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3308 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3309 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3310 } 3311 3312 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3313 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3314 auto Tokens = annotate("i = switch (day) {\n" 3315 " case THURSDAY, SATURDAY -> 8;\n" 3316 " case WEDNESDAY -> 9;\n" 3317 " default -> 1;\n" 3318 "};", 3319 Style); 3320 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3321 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3322 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3323 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3324 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3325 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3326 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3327 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3328 } 3329 3330 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3331 auto Tokens = annotate("a = b and c;"); 3332 ASSERT_EQ(Tokens.size(), 7u); 3333 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3334 3335 Tokens = annotate("a = b and_eq c;"); 3336 ASSERT_EQ(Tokens.size(), 7u); 3337 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3338 3339 Tokens = annotate("a = b bitand c;"); 3340 ASSERT_EQ(Tokens.size(), 7u); 3341 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3342 3343 Tokens = annotate("a = b bitor c;"); 3344 ASSERT_EQ(Tokens.size(), 7u); 3345 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3346 3347 Tokens = annotate("a = b compl c;"); 3348 ASSERT_EQ(Tokens.size(), 7u); 3349 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3350 3351 Tokens = annotate("a = b not c;"); 3352 ASSERT_EQ(Tokens.size(), 7u); 3353 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3354 3355 Tokens = annotate("a = b not_eq c;"); 3356 ASSERT_EQ(Tokens.size(), 7u); 3357 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3358 3359 Tokens = annotate("a = b or c;"); 3360 ASSERT_EQ(Tokens.size(), 7u); 3361 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3362 3363 Tokens = annotate("a = b or_eq c;"); 3364 ASSERT_EQ(Tokens.size(), 7u); 3365 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3366 3367 Tokens = annotate("a = b xor c;"); 3368 ASSERT_EQ(Tokens.size(), 7u); 3369 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3370 3371 Tokens = annotate("a = b xor_eq c;"); 3372 ASSERT_EQ(Tokens.size(), 7u); 3373 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3374 3375 Tokens = annotate("xor = foo;"); 3376 ASSERT_EQ(Tokens.size(), 5u); 3377 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3378 3379 Tokens = annotate("int xor = foo;"); 3380 ASSERT_EQ(Tokens.size(), 6u); 3381 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3382 } 3383 3384 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3385 auto Tokens = 3386 annotate("Foo::Foo(int x, int y) try\n" 3387 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3388 "} catch (...) {\n" 3389 "}"); 3390 ASSERT_EQ(Tokens.size(), 45u); 3391 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3392 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3393 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3394 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3395 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3396 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3397 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3398 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3399 } 3400 3401 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3402 auto Style = getLLVMStyle(); 3403 Style.TypenameMacros.push_back("STRUCT"); 3404 3405 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3406 ASSERT_EQ(Tokens.size(), 13u); 3407 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3408 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3409 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3410 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3411 } 3412 3413 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3414 auto Style = getGNUStyle(); 3415 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3416 3417 auto Tokens = annotate("return 1 <=> 2;", Style); 3418 ASSERT_EQ(Tokens.size(), 6u); 3419 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3420 } 3421 3422 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3423 auto Style = getLLVMStyle(); 3424 Style.ColumnLimit = 20; 3425 3426 auto Tokens = annotate("class foo {\n" 3427 " auto bar()\n" 3428 " -> bool;\n" 3429 "};", 3430 Style); 3431 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3432 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3433 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3434 } 3435 3436 } // namespace 3437 } // namespace format 3438 } // namespace clang 3439