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_TOKEN(FormatTok, Kind, Type) \ 46 do { \ 47 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 48 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 49 } while (false) 50 51 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 52 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 53 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 54 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 55 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 56 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 57 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 59 60 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 61 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 62 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 63 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 64 65 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 66 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 67 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 68 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 69 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 70 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 72 73 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 74 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 75 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 76 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 77 78 Tokens = annotate("void f() {\n" 79 " while (p < a && *p == 'a')\n" 80 " p++;\n" 81 "}"); 82 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 83 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 84 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 85 86 Tokens = annotate("case *x:"); 87 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 88 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 89 Tokens = annotate("case &x:"); 90 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 91 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 92 93 Tokens = annotate("bool b = 3 == int{3} && true;"); 94 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 95 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 96 97 Tokens = annotate("struct {\n" 98 "} *ptr;"); 99 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 100 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 101 Tokens = annotate("union {\n" 102 "} *ptr;"); 103 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 104 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 105 Tokens = annotate("class {\n" 106 "} *ptr;"); 107 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 108 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 109 110 Tokens = annotate("struct {\n" 111 "} &&ptr = {};"); 112 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 113 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 114 Tokens = annotate("union {\n" 115 "} &&ptr = {};"); 116 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 117 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 118 Tokens = annotate("class {\n" 119 "} &&ptr = {};"); 120 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 121 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 122 Tokens = annotate("int i = int{42} * 2;"); 123 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 124 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 125 126 Tokens = annotate("delete[] *ptr;"); 127 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 128 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 129 Tokens = annotate("delete[] **ptr;"); 130 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 131 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 132 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 133 Tokens = annotate("delete[] *(ptr);"); 134 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 135 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 136 137 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 138 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 139 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 140 // FIXME: The star of a function pointer probably makes more sense as 141 // TT_PointerOrReference. 142 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 143 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 144 145 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 146 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 147 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 148 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 149 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 150 151 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 152 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 153 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 154 155 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 156 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 157 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 158 159 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 160 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 161 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 162 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 163 164 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 165 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 166 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 167 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 168 169 Tokens = annotate("Type1 &val1 = val2;"); 170 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 171 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 172 173 Tokens = annotate("Type1 *val1 = &val2;"); 174 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 175 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 176 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 177 178 Tokens = annotate("val1 & val2;"); 179 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 180 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 181 182 Tokens = annotate("val1 & val2.member;"); 183 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 184 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 185 186 Tokens = annotate("val1 & val2.*member;"); 187 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 188 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 189 190 Tokens = annotate("val1.*member & val2;"); 191 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 192 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 193 194 Tokens = annotate("val1 & val2->*member;"); 195 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 196 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 197 198 Tokens = annotate("val1->member & val2;"); 199 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 200 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 201 202 Tokens = annotate("val1 & val2 & val3;"); 203 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 204 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 205 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 206 207 Tokens = annotate("val1 & val2 // comment\n" 208 " & val3;"); 209 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 210 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 211 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 212 213 Tokens = 214 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 215 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 216 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 217 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 218 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 220 221 Tokens = annotate("class c {\n" 222 " void func(type &a) { a & member; }\n" 223 " anotherType &member;\n" 224 "}"); 225 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 226 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 227 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 228 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 229 230 Tokens = annotate("struct S {\n" 231 " auto Mem = C & D;\n" 232 "}"); 233 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 234 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 235 236 Tokens = 237 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 238 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 239 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 240 241 Tokens = annotate("template <typename T> struct S {\n" 242 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 243 "};"); 244 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 245 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 246 247 Tokens = annotate("template <bool B = C && D> struct S {};"); 248 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 249 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 250 251 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 252 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 253 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 254 255 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 256 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 257 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 258 259 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 260 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 261 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 262 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 263 264 Tokens = annotate("Foo<A && B> a = {};"); 265 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 266 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 267 268 Tokens = annotate("Foo<A &&> a = {};"); 269 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 270 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 271 272 Tokens = annotate("template <typename T>\n" 273 "enable_if_t<is_integral_v<T>, bool> // comment\n" 274 "operator~(T &a);"); 275 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 276 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 277 278 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 279 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 280 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 281 282 Tokens = 283 annotate("auto foo() noexcept(noexcept(bar()) && " 284 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 285 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 286 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 287 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 288 289 Tokens = annotate("foo = *i < *j && *j > *k;"); 290 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 291 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 292 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 293 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 294 295 FormatStyle Style = getLLVMStyle(); 296 Style.TypeNames.push_back("MYI"); 297 Tokens = annotate("if (MYI *p{nullptr})", Style); 298 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 299 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 300 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 301 302 Style.TypeNames.push_back("Class"); 303 Tokens = annotate("if (Class *obj {getObj()})", Style); 304 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 305 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 306 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 307 308 Tokens = annotate("class Foo {\n" 309 " void operator<() {}\n" 310 " Foo &f;\n" 311 "};"); 312 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 313 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 314 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 315 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 316 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 317 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 318 319 Tokens = annotate("if (new && num) {\n" 320 " new = 1;\n" 321 "}\n" 322 "if (!delete && num) {\n" 323 " delete = 1;\n" 324 "}"); 325 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 326 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 327 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 328 } 329 330 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 331 auto Tokens = annotate("x - 0"); 332 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 333 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 334 Tokens = annotate("0 + 0"); 335 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 336 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 337 Tokens = annotate("x + +0"); 338 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 339 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 340 Tokens = annotate("x ? -0 : +0"); 341 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 342 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 343 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 344 Tokens = annotate("(-0)"); 345 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 346 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 347 Tokens = annotate("0, -0"); 348 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 349 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 350 Tokens = annotate("for (; -1;) {\n}"); 351 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 352 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 353 Tokens = annotate("x = -1;"); 354 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 355 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 356 Tokens = annotate("x[-1]"); 357 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 358 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 359 Tokens = annotate("x = {-1};"); 360 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 361 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 362 Tokens = annotate("case -x:"); 363 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 364 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 365 Tokens = annotate("co_await -x;"); 366 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 367 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 368 Tokens = annotate("co_return -x;"); 369 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 370 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 371 Tokens = annotate("co_yield -x;"); 372 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 373 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 374 Tokens = annotate("delete -x;"); 375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 376 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 377 Tokens = annotate("return -x;"); 378 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 379 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 380 Tokens = annotate("throw -x;"); 381 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 382 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 383 Tokens = annotate("sizeof -x"); 384 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 385 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 386 Tokens = annotate("co_await +x;"); 387 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 388 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 389 Tokens = annotate("co_return +x;"); 390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 391 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 392 Tokens = annotate("co_yield +x;"); 393 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 394 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 395 Tokens = annotate("delete +x;"); 396 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 397 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 398 Tokens = annotate("return +x;"); 399 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 400 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 401 Tokens = annotate("throw +x;"); 402 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 403 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 404 Tokens = annotate("sizeof +x"); 405 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 407 Tokens = annotate("(int)-x"); 408 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 409 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 410 Tokens = annotate("(-x)"); 411 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 412 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 413 Tokens = annotate("!+x"); 414 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 415 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 416 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 417 } 418 419 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 420 auto Tokens = annotate("class C {};"); 421 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 422 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 423 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 424 425 Tokens = annotate("const class C {} c;"); 426 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 427 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 428 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 429 430 Tokens = annotate("const class {} c;"); 431 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 432 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 433 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 434 435 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 436 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 437 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 438 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 439 } 440 441 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 442 auto Tokens = annotate("struct S {};"); 443 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 444 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 445 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 446 447 Tokens = annotate("struct macro(a) S {};"); 448 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 449 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 450 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 451 452 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 453 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 454 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 455 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 456 457 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 458 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 459 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 460 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 461 462 Tokens = annotate("struct macro(a) S {\n" 463 " void f(T &t);\n" 464 "};"); 465 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 466 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 467 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 468 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 469 470 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 471 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 472 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 473 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 474 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 475 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 476 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 477 478 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 479 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 480 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 481 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 482 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 483 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 484 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 485 486 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 487 " void f(T const (&a)[n]);\n" 488 "};"); 489 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 490 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 491 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 492 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 493 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 494 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 495 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 496 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 497 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 498 499 Tokens = annotate("template <typename T, enum E e> struct S {};"); 500 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 501 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 502 503 auto Style = getLLVMStyle(); 504 Style.AttributeMacros.push_back("EXPORT"); 505 Tokens = annotate("struct EXPORT StructName {};", Style); 506 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 507 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 508 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 509 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 510 } 511 512 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 513 auto Tokens = annotate("union U {};"); 514 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 515 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 516 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 517 518 Tokens = annotate("union U { void f() { return; } };"); 519 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 520 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 521 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 522 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 523 } 524 525 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 526 auto Tokens = annotate("enum E {};"); 527 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 528 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 529 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 530 } 531 532 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 533 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 534 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 535 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 536 537 Tokens = annotate("template <typename T> void F(T) && = delete;"); 538 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 539 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 540 } 541 542 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 543 auto Tokens = 544 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 545 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 546 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 547 } 548 549 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 550 auto Tokens = 551 annotate("template <typename T> " 552 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 553 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 554 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 555 } 556 557 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 558 auto Tokens = 559 annotate("#define FOO(typeName) \\\n" 560 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 561 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 562 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 563 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 564 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 565 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 566 } 567 568 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 569 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 570 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 571 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 572 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 573 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 574 } 575 576 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 577 // IsExpression = false 578 auto Tokens = annotate("foo<true ? 1 : 2>();"); 579 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 580 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 581 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 582 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 583 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 584 585 // IsExpression = true 586 587 Tokens = annotate("return foo<true ? 1 : 2>();"); 588 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 589 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 590 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 591 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 592 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 593 594 Tokens = annotate("return foo<true ? 1 : 2>{};"); 595 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 596 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 597 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 598 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 599 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 600 } 601 602 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 603 auto Tokens = annotate("return a < b && c > d;"); 604 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 605 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 606 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 607 608 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 609 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 610 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 611 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 612 613 Tokens = annotate("return A < B ? true : A > B;"); 614 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 615 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 616 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 617 618 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 619 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 620 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 621 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 622 623 Tokens = annotate("return A < B ^ A > B;"); 624 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 625 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 626 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 627 628 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 629 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 630 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 631 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 632 } 633 634 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 635 auto Tokens = annotate("template <template <typename...> typename X,\n" 636 " template <typename...> class Y,\n" 637 " typename... T>\n" 638 "class A {};"); 639 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 640 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 641 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 642 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 643 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 644 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 645 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 646 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 647 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 648 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 649 } 650 651 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 652 FormatStyle Style = getLLVMStyle(); 653 Style.WhitespaceSensitiveMacros.push_back("FOO"); 654 655 auto Tokens = annotate("FOO(1+2 )", Style); 656 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 657 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 658 659 Tokens = annotate("FOO(a:b:c)", Style); 660 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 661 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 662 } 663 664 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 665 auto Tokens = annotate("delete (void *)p;"); 666 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 667 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 668 669 Tokens = annotate("delete[] (void *)p;"); 670 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 671 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 672 673 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 674 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 675 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 676 677 Tokens = annotate("delete[/*comment*/] (void *)p;"); 678 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 679 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 680 681 Tokens = annotate("delete/*comment*/[] (void *)p;"); 682 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 683 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 684 } 685 686 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 687 auto Tokens = annotate("(void)p;"); 688 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 689 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 690 691 Tokens = annotate("(uint32_t)&&label;"); 692 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 693 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 694 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 695 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 696 697 Tokens = annotate("auto x = (Foo)p;"); 698 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 699 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 700 701 Tokens = annotate("(std::vector<int>)p;"); 702 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 703 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 704 705 Tokens = annotate("return (Foo)p;"); 706 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 707 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 708 709 Tokens = annotate("throw (Foo)p;"); 710 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 711 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 712 713 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 714 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 715 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 716 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 717 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 718 719 Tokens = annotate("#define foo(i) ((i) - bar)"); 720 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 721 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 722 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 723 724 Tokens = annotate("return (Foo) & 10;"); 725 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 726 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 727 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 728 729 Tokens = annotate("return (struct foo){};"); 730 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 731 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 732 733 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 734 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 735 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 736 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 737 738 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 739 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 740 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 741 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 742 743 auto Style = getLLVMStyle(); 744 Style.TypeNames.push_back("Foo"); 745 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 746 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 747 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 748 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 749 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 750 } 751 752 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 753 auto Tokens = annotate("void f() throw(int);"); 754 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 755 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 756 } 757 758 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 759 auto Tokens = annotate("void f() &;"); 760 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 761 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 762 763 Tokens = annotate("void operator=(T) &&;"); 764 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 765 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 766 767 Tokens = annotate("template <typename T> void f() &;"); 768 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 769 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 770 771 Tokens = annotate("template <typename T> void operator=(T) &;"); 772 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 773 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 774 } 775 776 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 777 auto Tokens = annotate("x.operator+()"); 778 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 779 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 780 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 781 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 782 Tokens = annotate("x.operator=()"); 783 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 784 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 785 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 786 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 787 Tokens = annotate("x.operator+=()"); 788 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 789 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 790 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 791 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 792 Tokens = annotate("x.operator,()"); 793 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 794 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 795 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 796 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 797 Tokens = annotate("x.operator()()"); 798 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 799 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 800 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 801 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 802 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 803 Tokens = annotate("x.operator[]()"); 804 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 805 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 806 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 807 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 808 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 809 Tokens = annotate("x.operator\"\"_a()"); 810 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 811 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 812 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 813 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 814 Tokens = annotate("x.operator\"\" _a()"); 815 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 816 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 817 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 818 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 819 Tokens = annotate("x.operator\"\"if()"); 820 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 821 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 822 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 823 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 824 Tokens = annotate("x.operator\"\"s()"); 825 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 826 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 827 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 828 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 829 Tokens = annotate("x.operator\"\" s()"); 830 ASSERT_EQ(Tokens.size(), 8u) << 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[5], tok::l_paren, TT_OverloadedOperatorLParen); 834 835 Tokens = annotate("int operator+(int);"); 836 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 837 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 838 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 839 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 840 Tokens = annotate("auto operator=(T&) {}"); 841 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 842 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 843 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 844 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 845 Tokens = annotate("auto operator()() {}"); 846 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 847 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 848 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 849 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 850 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 851 852 Tokens = annotate("class Foo {\n" 853 " int operator+(a* b);\n" 854 "}"); 855 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 856 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 857 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 858 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 859 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 860 861 Tokens = annotate("class Foo {\n" 862 " int c = operator+(a * b);\n" 863 "}"); 864 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 865 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 866 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 867 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 868 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 869 870 Tokens = annotate("void foo() {\n" 871 " operator+(a * b);\n" 872 "}"); 873 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 874 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 875 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 876 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 877 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 878 879 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 880 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 881 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 882 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 883 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 884 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 885 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 886 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 887 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 888 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 889 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 890 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 891 892 Tokens = annotate("class Foo {\n" 893 " void foo() {\n" 894 " operator+(a * b);\n" 895 " }\n" 896 "}"); 897 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 898 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 899 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 900 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 901 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 902 903 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 904 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 905 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 906 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 907 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 908 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 909 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 910 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 911 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 912 913 Tokens = annotate("decltype(auto) operator()(T &x);"); 914 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 915 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 916 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 917 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 918 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 919 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 920 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 921 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 922 } 923 924 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 925 struct { 926 const char *Text; 927 tok::TokenKind Kind; 928 } Operators[] = {{"+", tok::plus}, 929 {"-", tok::minus}, 930 // FIXME: 931 // {"*", tok::star}, 932 {"/", tok::slash}, 933 {"%", tok::percent}, 934 {"^", tok::caret}, 935 // FIXME: 936 // {"&", tok::amp}, 937 {"|", tok::pipe}, 938 {"~", tok::tilde}, 939 {"!", tok::exclaim}, 940 {"=", tok::equal}, 941 // FIXME: 942 // {"<", tok::less}, 943 {">", tok::greater}, 944 {"+=", tok::plusequal}, 945 {"-=", tok::minusequal}, 946 {"*=", tok::starequal}, 947 {"/=", tok::slashequal}, 948 {"%=", tok::percentequal}, 949 {"^=", tok::caretequal}, 950 {"&=", tok::ampequal}, 951 {"|=", tok::pipeequal}, 952 {"<<", tok::lessless}, 953 {">>", tok::greatergreater}, 954 {">>=", tok::greatergreaterequal}, 955 {"<<=", tok::lesslessequal}, 956 {"==", tok::equalequal}, 957 {"!=", tok::exclaimequal}, 958 {"<=", tok::lessequal}, 959 {">=", tok::greaterequal}, 960 {"<=>", tok::spaceship}, 961 {"&&", tok::ampamp}, 962 {"||", tok::pipepipe}, 963 {"++", tok::plusplus}, 964 {"--", tok::minusminus}, 965 {",", tok::comma}, 966 {"->*", tok::arrowstar}, 967 {"->", tok::arrow}}; 968 969 for (const auto &Operator : Operators) { 970 std::string Input("C<&operator"); 971 Input += Operator.Text; 972 Input += " > a;"; 973 auto Tokens = annotate(std::string(Input)); 974 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 975 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 976 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 977 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 978 } 979 980 auto Tokens = annotate("C<&operator< <X>> lt;"); 981 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 982 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 983 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 984 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 985 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 986 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 987 } 988 989 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 990 auto Tokens = annotate("template <typename T>\n" 991 "concept C = (Foo && Bar) && (Bar && Baz);"); 992 993 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 994 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 995 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 996 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 997 998 Tokens = annotate("template <typename T>\n" 999 "concept C = Foo && !Bar;"); 1000 1001 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1002 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1003 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1004 1005 Tokens = annotate("template <typename T>\n" 1006 "concept C = requires(T t) {\n" 1007 " { t.foo() };\n" 1008 "} && Bar<T> && Baz<T>;"); 1009 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1010 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1011 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1012 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1013 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1014 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1015 1016 Tokens = annotate("template<typename T>\n" 1017 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1018 "struct Foo;"); 1019 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1020 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1021 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1022 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1023 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1024 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1025 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1026 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1027 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1028 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1029 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1030 1031 Tokens = 1032 annotate("template<typename T>\n" 1033 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1034 "struct Foo;"); 1035 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1036 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1037 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1038 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1039 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1040 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1041 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1042 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1043 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1044 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1045 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1046 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1047 1048 Tokens = annotate("template <typename T>\n" 1049 "void foo(T) noexcept requires Bar<T>;"); 1050 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1051 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1052 1053 Tokens = annotate("template <typename T>\n" 1054 "requires Bar<T> || Baz<T>\n" 1055 "auto foo(T) -> int;"); 1056 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1057 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1058 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1059 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1060 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1061 1062 Tokens = annotate("template <typename T>\n" 1063 "requires Bar<T>\n" 1064 "bool foo(T) { return false; }"); 1065 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1066 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1067 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1068 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1069 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1070 1071 Tokens = annotate("template <typename T>\n" 1072 "requires Bar<T>\n" 1073 "decltype(auto) foo(T) { return false; }"); 1074 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1075 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1076 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1077 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1078 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1079 1080 Tokens = annotate("template <typename T>\n" 1081 "struct S {\n" 1082 " void foo() const requires Bar<T>;\n" 1083 " void bar() const & requires Baz<T>;\n" 1084 " void bar() && requires Baz2<T>;\n" 1085 " void baz() const & noexcept requires Baz<T>;\n" 1086 " void baz() && noexcept requires Baz2<T>;\n" 1087 "};\n" 1088 "\n" 1089 "void S::bar() const & requires Baz<T> { }"); 1090 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1091 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1092 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1093 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1094 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1095 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1096 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1097 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1098 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1099 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1100 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1101 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1102 1103 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1104 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1105 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1106 1107 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1108 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1109 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1110 1111 Tokens = 1112 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1113 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1114 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1115 1116 Tokens = annotate("void Class::member() && requires(typename " 1117 "Namespace::Outer<T>::Inner::Constant) {}"); 1118 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1119 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1120 1121 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1122 " template<class T>\n" 1123 " requires requires { number_zero_v<T>; }\n" 1124 " [[nodiscard]] constexpr operator T() const { " 1125 "return number_zero_v<T>; }\n" 1126 "};"); 1127 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1128 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1129 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1130 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1131 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1132 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1133 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1134 1135 Tokens = 1136 annotate("template <class A, class B> concept C =" 1137 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1138 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1139 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1140 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1141 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1142 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1143 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1144 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1145 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1146 1147 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1148 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1149 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1150 1151 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1152 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1153 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1154 1155 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1156 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1157 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1158 1159 Tokens = 1160 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1161 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1162 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1163 1164 Tokens = 1165 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1166 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1167 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1168 1169 Tokens = 1170 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1171 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1172 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1173 1174 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1175 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1176 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1177 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1178 1179 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1180 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1181 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1182 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1183 1184 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1185 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1186 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1187 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1188 1189 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1190 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1191 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1192 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1193 1194 Tokens = annotate("void f() & requires(true) {}"); 1195 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1196 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1197 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1198 1199 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1200 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1201 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1202 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1203 1204 Tokens = annotate("template <typename T>\n" 1205 "concept C = (!Foo<T>) && Bar;"); 1206 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1207 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1208 1209 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1210 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1211 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1212 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1213 1214 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1215 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1216 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1217 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1218 1219 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1220 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1221 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1222 1223 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1224 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1225 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1226 1227 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1228 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1229 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1230 } 1231 1232 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1233 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1234 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1235 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1236 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1237 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1238 1239 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1240 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1241 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1242 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1243 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1244 1245 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1246 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1247 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1248 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1249 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1250 1251 Tokens = annotate("foo(requires(const T t) {});"); 1252 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1253 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1254 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1255 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1256 1257 Tokens = annotate("foo(requires(const int t) {});"); 1258 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1259 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1260 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1261 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1262 1263 Tokens = annotate("foo(requires(const T t) {});"); 1264 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1265 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1266 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1267 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1268 1269 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1270 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1271 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1272 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1273 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1274 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1275 1276 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1277 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1278 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1279 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1280 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1281 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1282 1283 Tokens = annotate("foo(requires(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[5], tok::amp, TT_PointerOrReference); 1288 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1289 1290 Tokens = annotate("foo(requires(T&& t) {});"); 1291 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1292 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1293 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1294 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1295 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1296 1297 Tokens = annotate("bool foo = requires(T& t) {};"); 1298 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1299 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1300 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1301 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1302 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1303 1304 Tokens = annotate("bool foo = requires(T&& t) {};"); 1305 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1306 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1307 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1308 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1309 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1310 1311 Tokens = 1312 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1313 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1314 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1315 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1316 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1317 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1318 1319 Tokens = annotate("template <typename T>\n" 1320 "concept C = requires(T T) {\n" 1321 " requires Bar<T> && Foo<T>;\n" 1322 "};"); 1323 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1324 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1325 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1326 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1327 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1328 TT_RequiresClauseInARequiresExpression); 1329 1330 Tokens = annotate("template <typename T>\n" 1331 "concept C = requires(T T) {\n" 1332 " { t.func() } -> std::same_as<int>;" 1333 " requires Bar<T> && Foo<T>;\n" 1334 "};"); 1335 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1336 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1337 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1338 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1339 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1340 TT_RequiresClauseInARequiresExpression); 1341 1342 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1343 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1344 "requires true; };"); 1345 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1346 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1347 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1348 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1349 1350 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1351 " { c.foo(); }\n" 1352 "};"); 1353 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1354 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1355 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1356 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1357 } 1358 1359 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1360 // Everything after #pragma region should be ImplicitStringLiteral 1361 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1362 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1363 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1364 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1365 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1366 1367 // Make sure it's annotated correctly inside a function as well 1368 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1369 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1370 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1371 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1372 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1373 } 1374 1375 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1376 const char *BaseCode = nullptr; 1377 const char *ConstrainedCode = nullptr; 1378 auto BaseTokenCount = 0u; 1379 auto RequiresTokenCount = 0u; 1380 auto PrefixTokenCount = 0u; 1381 1382 auto TestRequires = [&](int Line) { 1383 const auto BaseTokens = annotate(BaseCode); 1384 const auto ConstrainedTokens = annotate(ConstrainedCode); 1385 1386 #define LINE " (Line " << Line << ')' 1387 1388 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1389 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1390 << LINE; 1391 1392 for (auto I = 0u; I < BaseTokenCount; ++I) { 1393 EXPECT_EQ( 1394 *BaseTokens[I], 1395 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1396 << I << LINE; 1397 } 1398 1399 #undef LINE 1400 }; 1401 1402 BaseCode = "template<typename T>\n" 1403 "T Pi = 3.14;"; 1404 ConstrainedCode = "template<typename T>\n" 1405 " requires Foo<T>\n" 1406 "T Pi = 3.14;"; 1407 BaseTokenCount = 11; 1408 RequiresTokenCount = 5; 1409 PrefixTokenCount = 5; 1410 TestRequires(__LINE__); 1411 1412 BaseCode = "template<typename T>\n" 1413 "struct Bar;"; 1414 ConstrainedCode = "template<typename T>\n" 1415 " requires Foo<T>\n" 1416 "struct Bar;"; 1417 BaseTokenCount = 9; 1418 TestRequires(__LINE__); 1419 1420 BaseCode = "template<typename T>\n" 1421 "struct Bar {\n" 1422 " T foo();\n" 1423 " T bar();\n" 1424 "};"; 1425 ConstrainedCode = "template<typename T>\n" 1426 " requires Foo<T>\n" 1427 "struct Bar {\n" 1428 " T foo();\n" 1429 " T bar();\n" 1430 "};"; 1431 BaseTokenCount = 21; 1432 TestRequires(__LINE__); 1433 1434 BaseCode = "template<typename T>\n" 1435 "Bar(T) -> Bar<T>;"; 1436 ConstrainedCode = "template<typename T>\n" 1437 " requires Foo<T>\n" 1438 "Bar(T) -> Bar<T>;"; 1439 BaseTokenCount = 16; 1440 TestRequires(__LINE__); 1441 1442 BaseCode = "template<typename T>\n" 1443 "T foo();"; 1444 ConstrainedCode = "template<typename T>\n" 1445 " requires Foo<T>\n" 1446 "T foo();"; 1447 BaseTokenCount = 11; 1448 TestRequires(__LINE__); 1449 1450 BaseCode = "template<typename T>\n" 1451 "T foo() {\n" 1452 " auto bar = baz();\n" 1453 " return bar + T{};\n" 1454 "}"; 1455 ConstrainedCode = "template<typename T>\n" 1456 " requires Foo<T>\n" 1457 "T foo() {\n" 1458 " auto bar = baz();\n" 1459 " return bar + T{};\n" 1460 "}"; 1461 BaseTokenCount = 26; 1462 TestRequires(__LINE__); 1463 1464 BaseCode = "template<typename T>\n" 1465 "T foo();"; 1466 ConstrainedCode = "template<typename T>\n" 1467 "T foo() requires Foo<T>;"; 1468 BaseTokenCount = 11; 1469 PrefixTokenCount = 9; 1470 TestRequires(__LINE__); 1471 1472 BaseCode = "template<typename T>\n" 1473 "T foo() {\n" 1474 " auto bar = baz();\n" 1475 " return bar + T{};\n" 1476 "}"; 1477 ConstrainedCode = "template<typename T>\n" 1478 "T foo() requires Foo<T> {\n" 1479 " auto bar = baz();\n" 1480 " return bar + T{};\n" 1481 "}"; 1482 BaseTokenCount = 26; 1483 TestRequires(__LINE__); 1484 1485 BaseCode = "template<typename T>\n" 1486 "T foo();"; 1487 ConstrainedCode = "template<typename T>\n" 1488 " requires(Foo<T>)\n" 1489 "T foo();"; 1490 BaseTokenCount = 11; 1491 RequiresTokenCount = 7; 1492 PrefixTokenCount = 5; 1493 TestRequires(__LINE__); 1494 1495 BaseCode = "template<typename T>\n" 1496 "Bar(T) -> Bar<typename T::I>;"; 1497 ConstrainedCode = "template<typename T>\n" 1498 " requires requires(T &&t) {\n" 1499 " typename T::I;\n" 1500 " }\n" 1501 "Bar(T) -> Bar<typename T::I>;"; 1502 BaseTokenCount = 19; 1503 RequiresTokenCount = 14; 1504 PrefixTokenCount = 5; 1505 TestRequires(__LINE__); 1506 1507 BaseCode = "struct [[nodiscard]] zero_t {\n" 1508 " template<class T>\n" 1509 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1510 "};"; 1511 ConstrainedCode = 1512 "struct [[nodiscard]] zero_t {\n" 1513 " template<class T>\n" 1514 " requires requires { v<T>; }\n" 1515 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1516 "};"; 1517 BaseTokenCount = 35; 1518 RequiresTokenCount = 9; 1519 PrefixTokenCount = 13; 1520 TestRequires(__LINE__); 1521 1522 BaseCode = "constexpr Foo(Foo const &other)\n" 1523 " : value{other.value} {\n" 1524 " do_magic();\n" 1525 " do_more_magic();\n" 1526 "}"; 1527 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1528 " requires std::is_copy_constructible<T>\n" 1529 " : value{other.value} {\n" 1530 " do_magic();\n" 1531 " do_more_magic();\n" 1532 "}"; 1533 BaseTokenCount = 26; 1534 RequiresTokenCount = 7; 1535 PrefixTokenCount = 8; 1536 TestRequires(__LINE__); 1537 1538 BaseCode = "constexpr Foo(Foo const &other)\n" 1539 " : value{other.value} {\n" 1540 " do_magic();\n" 1541 " do_more_magic();\n" 1542 "}"; 1543 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1544 " requires (std::is_copy_constructible<T>)\n" 1545 " : value{other.value} {\n" 1546 " do_magic();\n" 1547 " do_more_magic();\n" 1548 "}"; 1549 RequiresTokenCount = 9; 1550 TestRequires(__LINE__); 1551 1552 BaseCode = "template<typename T>\n" 1553 "ANNOTATE(\"S\"\n" 1554 " \"S\")\n" 1555 "void foo();"; 1556 ConstrainedCode = "template<typename T>\n" 1557 " requires(true)\n" 1558 "ANNOTATE(\"S\"\n" 1559 " \"S\")\n" 1560 "void foo();"; 1561 BaseTokenCount = 16; 1562 RequiresTokenCount = 4; 1563 PrefixTokenCount = 5; 1564 TestRequires(__LINE__); 1565 } 1566 1567 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1568 auto Tokens = annotate("__asm{\n" 1569 "\"a\":\n" 1570 ": x\n" 1571 ":};"); 1572 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1573 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1574 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1575 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1576 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1577 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1578 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1579 1580 Tokens = annotate("__asm(\n" 1581 "\"a\":\n" 1582 ": x\n" 1583 ":);"); 1584 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1585 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1586 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1587 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1588 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1589 1590 Tokens = annotate("asm volatile (\n" 1591 "\"a_label:\"\n" 1592 ":\n" 1593 ": x\n" 1594 ":);"); 1595 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1596 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1597 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1598 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1599 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1600 1601 Tokens = annotate("__asm__(\n" 1602 "\"a_label:\"\n" 1603 ": x\n" 1604 ":\n" 1605 ": y);"); 1606 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1607 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1608 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1609 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1610 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1611 1612 Tokens = annotate("__asm volatile (\n" 1613 "\"a_label:\"\n" 1614 "\"a b c(%%x)\"\n" 1615 ":\n" 1616 ": x\n" 1617 ":);"); 1618 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1619 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1620 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1621 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1622 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1623 1624 Tokens = annotate("asm(\n" 1625 "\"insn\"\n" 1626 ": \"=r\" (var1), \"=&r\" (value)\n" 1627 ":\n" 1628 ": \"memory\");"); 1629 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1630 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1631 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1632 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1633 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1634 1635 Tokens = annotate("__asm__ volatile (\n" 1636 "\"ldr r1, [r0, %%[sym]]\"\n" 1637 ":\n" 1638 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1639 ");"); 1640 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1641 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1642 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1643 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1644 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1645 } 1646 1647 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1648 auto Tokens = annotate("int (^)() = ^ ()\n" 1649 " external_source_symbol() { //\n" 1650 " return 1;\n" 1651 "};"); 1652 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1653 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1654 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1655 1656 Tokens = annotate("int *p = ^int*(){ //\n" 1657 " return nullptr;\n" 1658 "}();"); 1659 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1660 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1661 } 1662 1663 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1664 auto Tokens = annotate("void f() {\n" 1665 " //\n" 1666 " BOOL a = [b.c n] > 1;\n" 1667 "}"); 1668 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1669 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1670 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1671 } 1672 1673 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1674 auto Tokens = annotate("[]() constexpr {}"); 1675 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1676 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1677 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1678 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1679 1680 Tokens = annotate("[]() consteval {}"); 1681 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1682 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1683 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1684 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1685 1686 Tokens = annotate("[]() mutable {}"); 1687 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1688 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1689 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1690 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1691 1692 Tokens = annotate("[]() static {}"); 1693 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1694 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1695 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1696 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1697 1698 Tokens = annotate("[]() -> auto {}"); 1699 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1700 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1701 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1702 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1703 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1704 1705 Tokens = annotate("[]() -> auto & {}"); 1706 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1707 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1708 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1709 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1710 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1711 1712 Tokens = annotate("[]() -> auto * {}"); 1713 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1714 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1715 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1716 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1717 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1718 1719 Tokens = annotate("[] {}"); 1720 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1721 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1722 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1723 1724 Tokens = annotate("[] noexcept {}"); 1725 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1726 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1727 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1728 1729 Tokens = annotate("[] -> auto {}"); 1730 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1731 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1732 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1733 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1734 1735 Tokens = annotate("[] -> struct S { return {}; }"); 1736 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1737 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1738 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1739 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1740 1741 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1742 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1743 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1744 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1745 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1746 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1747 1748 Tokens = annotate("[] <typename T> () {}"); 1749 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1750 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1751 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1752 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1753 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1754 1755 Tokens = annotate("[] <typename T> {}"); 1756 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1757 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1758 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1759 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1760 1761 Tokens = annotate("[] <typename... T> () {}"); 1762 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1763 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1764 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1765 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1766 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1767 1768 Tokens = annotate("[] <typename... T> {}"); 1769 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1770 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1771 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1772 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1773 1774 Tokens = annotate("[] <int... T> () {}"); 1775 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1776 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1777 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1778 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1779 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1780 1781 Tokens = annotate("[] <int... T> {}"); 1782 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1783 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1784 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1785 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1786 1787 Tokens = annotate("[] <Foo... T> () {}"); 1788 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1789 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1790 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1791 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1792 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1793 1794 Tokens = annotate("[] <Foo... T> {}"); 1795 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1796 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1797 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1798 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1799 1800 // Lambdas with a requires-clause 1801 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1802 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1803 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1804 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1805 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1806 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1807 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1808 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1809 1810 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1811 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1812 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1813 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1814 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1815 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1816 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1817 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1818 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1819 1820 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1821 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1822 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1823 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1824 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1825 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1826 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1827 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1828 1829 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1830 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1831 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1832 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1833 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1834 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1835 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1836 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1837 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1838 1839 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1840 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1841 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1842 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1843 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1844 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1845 // FIXME: 1846 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1847 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1848 1849 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1850 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1851 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1852 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1853 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1854 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1855 // FIXME: 1856 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1857 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1858 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1859 1860 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1861 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1862 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1863 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1864 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1865 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1866 // FIXME: 1867 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1868 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1869 1870 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1871 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1872 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1873 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1874 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1875 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1876 // FIXME: 1877 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1878 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1879 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1880 1881 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1882 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1883 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1884 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1885 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1886 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1887 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1888 1889 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1890 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1891 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1892 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1893 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1894 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1895 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1896 1897 Tokens = annotate("[] <typename T> requires Bar<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[10]->ClosesRequiresClause); 1903 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1904 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1905 1906 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1907 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1908 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1909 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1910 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1911 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1912 // FIXME: 1913 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1914 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1915 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1916 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1917 1918 Tokens = annotate("[] <typename T = int> (T t) {}"); 1919 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1920 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1921 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1922 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1923 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1924 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1925 1926 Tokens = annotate("[] <int I = 0> (T t) {}"); 1927 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1928 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1929 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1930 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1931 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1932 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1933 1934 Tokens = annotate("[] <bool b = false> (T t) {}"); 1935 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1936 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1937 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1938 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1939 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1940 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1941 1942 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1943 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1944 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1945 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1946 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1947 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1948 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 1949 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1950 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1951 1952 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1953 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1954 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1955 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1956 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1957 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1958 // FIXME: 1959 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 1960 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1961 } 1962 1963 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1964 auto Tokens = annotate("template <typename T>\n" 1965 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1966 "string OldFunction(const string ¶meter) {}"); 1967 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1968 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1969 1970 Tokens = annotate("template <typename T>\n" 1971 "A(T) noexcept;"); 1972 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1973 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1974 1975 Tokens = annotate("FOO(bar)();"); 1976 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1977 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 1978 } 1979 1980 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1981 auto Tokens = annotate("void f [[noreturn]] ();"); 1982 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1983 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1984 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1985 1986 Tokens = annotate("void f [[noreturn]] () {}"); 1987 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1988 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1989 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1990 1991 Tokens = annotate("#define FOO Foo::\n" 1992 "FOO Foo();"); 1993 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1994 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1995 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1996 1997 Tokens = annotate("struct Foo {\n" 1998 " Bar (*func)();\n" 1999 "};"); 2000 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2001 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2002 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2003 2004 Tokens = annotate("void instanceof();"); 2005 ASSERT_EQ(Tokens.size(), 6u); 2006 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2007 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2008 2009 Tokens = annotate("int iso_time(time_t);"); 2010 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2011 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2012 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2013 2014 auto Style = getLLVMStyle(); 2015 Style.TypeNames.push_back("MyType"); 2016 Tokens = annotate("int iso_time(MyType);", Style); 2017 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2018 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2019 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2020 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2021 } 2022 2023 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2024 auto Tokens = annotate("class Foo { public: Foo(); };"); 2025 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2026 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2027 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2028 2029 Tokens = annotate("class Foo { public: ~Foo(); };"); 2030 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2031 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2032 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2033 2034 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2035 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2036 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2037 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2038 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2039 2040 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2041 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2042 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2043 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2044 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2045 2046 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2047 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2048 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2049 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2050 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2051 2052 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2053 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2054 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2055 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2056 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2057 2058 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2059 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2060 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2061 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2062 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2063 2064 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2065 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2066 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2067 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2068 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2069 2070 Tokens = annotate("Foo::Foo() {}"); 2071 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2072 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2073 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2074 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2075 2076 Tokens = annotate("Foo::~Foo() {}"); 2077 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2078 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2079 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2080 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2081 2082 Tokens = annotate("struct Test {\n" 2083 " Test()\n" 2084 " : l([] {\n" 2085 " Short::foo();\n" 2086 " }) {}\n" 2087 "};"); 2088 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2089 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2090 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2091 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2092 } 2093 2094 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2095 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2096 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2097 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2098 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2099 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2100 } 2101 2102 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2103 auto Tokens = annotate("auto f() -> int;"); 2104 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2105 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2106 2107 Tokens = annotate("auto operator->() -> int;"); 2108 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2109 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2110 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2111 2112 Tokens = annotate("auto operator++(int) -> int;"); 2113 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2114 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2115 2116 Tokens = annotate("auto operator=() -> int;"); 2117 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2118 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2119 2120 Tokens = annotate("auto operator=(int) -> int;"); 2121 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2122 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2123 2124 Tokens = annotate("auto foo() -> auto { return Val; }"); 2125 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2126 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2127 2128 Tokens = annotate("struct S { auto bar() const -> int; };"); 2129 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2130 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2131 2132 // Not trailing return arrows 2133 Tokens = annotate("auto a = b->c;"); 2134 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2135 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2136 2137 Tokens = annotate("auto a = (b)->c;"); 2138 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2139 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2140 2141 Tokens = annotate("auto a = b()->c;"); 2142 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2143 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2144 2145 Tokens = annotate("auto a = b->c();"); 2146 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2147 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2148 2149 Tokens = annotate("decltype(auto) a = b()->c;"); 2150 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2151 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2152 2153 Tokens = annotate("void f() { auto a = b->c(); }"); 2154 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2155 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2156 2157 Tokens = annotate("void f() { auto a = b()->c; }"); 2158 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2159 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2160 2161 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2162 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2163 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2164 2165 Tokens = annotate("void f() FOO(foo->bar);"); 2166 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2167 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2168 2169 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2170 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2171 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2172 2173 auto Style = getLLVMStyle(); 2174 Style.StatementAttributeLikeMacros.push_back("emit"); 2175 Tokens = annotate("emit foo()->bar;", Style); 2176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2177 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2178 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2179 2180 // Mixed 2181 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2182 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2183 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2184 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2185 } 2186 2187 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2188 auto Tokens = annotate("#define Foo(Bar) \\\n" 2189 " { \\\n" 2190 " #Bar \\\n" 2191 " }"); 2192 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2193 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2194 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2195 2196 Tokens = annotate("#define Foo(Bar) \\\n" 2197 " { #Bar }"); 2198 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2199 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2200 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2201 2202 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2203 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2204 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2205 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2206 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2207 } 2208 2209 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2210 // '__attribute__' has special handling. 2211 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2212 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2213 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2214 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2215 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2216 2217 // Generic macro has no special handling in this location. 2218 Tokens = annotate("A(X) void Foo(void);"); 2219 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2220 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2221 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2222 2223 // Add a custom AttributeMacro. Test that it has the same behavior. 2224 FormatStyle Style = getLLVMStyle(); 2225 Style.AttributeMacros.push_back("A"); 2226 2227 // An "AttributeMacro" gets annotated like '__attribute__'. 2228 Tokens = annotate("A(X) void Foo(void);", Style); 2229 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2230 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2231 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2232 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2233 } 2234 2235 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2236 // '__attribute__' has special handling. 2237 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2238 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2239 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2240 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2241 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2242 2243 // Generic macro has no special handling in this location. 2244 Tokens = annotate("A(X) @interface Foo"); 2245 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2246 // Note: Don't check token-type as a random token in this position is hard to 2247 // reason about. 2248 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2249 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2250 2251 // Add a custom AttributeMacro. Test that it has the same behavior. 2252 FormatStyle Style = getLLVMStyle(); 2253 Style.AttributeMacros.push_back("A"); 2254 2255 // An "AttributeMacro" gets annotated like '__attribute__'. 2256 Tokens = annotate("A(X) @interface Foo", Style); 2257 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2258 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2259 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2260 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2261 } 2262 2263 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2264 // '__attribute__' has special handling. 2265 auto Tokens = annotate("- (id)init __attribute__((X));"); 2266 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2267 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2268 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2269 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2270 2271 // Generic macro has no special handling in this location. 2272 Tokens = annotate("- (id)init A(X);"); 2273 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2274 // Note: Don't check token-type as a random token in this position is hard to 2275 // reason about. 2276 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2277 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2278 2279 // Add a custom AttributeMacro. Test that it has the same behavior. 2280 FormatStyle Style = getLLVMStyle(); 2281 Style.AttributeMacros.push_back("A"); 2282 2283 // An "AttributeMacro" gets annotated like '__attribute__'. 2284 Tokens = annotate("- (id)init A(X);", Style); 2285 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2286 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2287 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2288 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2289 } 2290 2291 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2292 // '__attribute__' has special handling. 2293 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2294 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2295 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2296 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2297 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2298 2299 // Generic macro has no special handling in this location. 2300 Tokens = annotate("@property(weak) id delegate A(X);"); 2301 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2302 // Note: Don't check token-type as a random token in this position is hard to 2303 // reason about. 2304 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2305 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2306 2307 // Add a custom AttributeMacro. Test that it has the same behavior. 2308 FormatStyle Style = getLLVMStyle(); 2309 Style.AttributeMacros.push_back("A"); 2310 2311 // An "AttributeMacro" gets annotated like '__attribute__'. 2312 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2313 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2314 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2315 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2316 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2317 } 2318 2319 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2320 auto Annotate = [this](StringRef Code) { 2321 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2322 }; 2323 // Test that unary operators get labeled as such and that operators like '++' 2324 // don't get split. 2325 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2326 tok::tilde, tok::amp, tok::pipe, 2327 tok::caret, tok::plusplus, tok::minusminus}; 2328 for (auto Kind : Unary) { 2329 auto Tokens = 2330 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2331 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2332 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2333 } 2334 // Operators formed by joining two operators like '^~'. For some of these 2335 // joined operators, we don't have a separate type, so we only test for their 2336 // precedence. 2337 std::pair<prec::Level, std::string> JoinedBinary[] = { 2338 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2339 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2340 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2341 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2342 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2343 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2344 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2345 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2346 {prec::Equality, "!="}, {prec::Equality, "==="}, 2347 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2348 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2349 {prec::ExclusiveOr, "^~"}, 2350 }; 2351 for (auto Operator : JoinedBinary) { 2352 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2353 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2354 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2355 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2356 } 2357 // '~^' and '^~' can be unary as well as binary operators. 2358 auto Tokens = Annotate("x = ~^x;"); 2359 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2360 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2361 Tokens = Annotate("x = ^~x;"); 2362 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2363 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2364 // The unary operators '~&' and '~|' can only be unary operators. The current 2365 // implementation treats each of them as separate unary '~' and '&' or '|' 2366 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2367 // there is a test that there is no space in between. And even if a new line 2368 // is inserted between the '~' and '|', the semantic meaning is the same as 2369 // the joined operator, so the CanBreakBefore property doesn't need to be 2370 // false for the second operator. 2371 Tokens = Annotate("x = ~&x;"); 2372 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2373 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2374 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2375 Tokens = Annotate("x = ~|x;"); 2376 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2377 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2378 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2379 // Test for block label colons. 2380 Tokens = Annotate("begin : x\n" 2381 "end : x"); 2382 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2383 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2384 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2385 // Test that the dimension colon is annotated correctly. 2386 Tokens = Annotate("var [1 : 0] x;"); 2387 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2388 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2389 Tokens = Annotate("extern function [1 : 0] x;"); 2390 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2391 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2392 Tokens = Annotate("module test\n" 2393 " (input wire [7 : 0] a[7 : 0]);\n" 2394 "endmodule"); 2395 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2396 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2397 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2398 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2399 // Test case labels and ternary operators. 2400 Tokens = Annotate("case (x)\n" 2401 " x:\n" 2402 " x;\n" 2403 "endcase"); 2404 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2405 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2406 Tokens = Annotate("case (x)\n" 2407 " x ? x : x:\n" 2408 " x;\n" 2409 "endcase"); 2410 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2411 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2412 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2413 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2414 // Non-blocking assignments. 2415 Tokens = Annotate("a <= b;"); 2416 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2417 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2418 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2419 Tokens = Annotate("if (a <= b) break;"); 2420 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2421 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2422 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2423 Tokens = Annotate("a <= b <= a;"); 2424 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2425 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2426 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2427 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2428 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2429 2430 // Port lists in module instantiation. 2431 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2432 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2433 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2434 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2435 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2436 "instance_2(port_2);"); 2437 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2438 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2439 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2440 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2441 2442 // Condition parentheses. 2443 Tokens = Annotate("assert (x);"); 2444 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2445 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2446 Tokens = Annotate("assert #0 (x);"); 2447 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2448 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2449 Tokens = Annotate("assert final (x);"); 2450 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2451 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2452 Tokens = Annotate("foreach (x[x]) continue;"); 2453 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2454 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2455 Tokens = Annotate("repeat (x[x]) continue;"); 2456 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2457 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2458 Tokens = Annotate("case (x) endcase;"); 2459 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2460 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2461 2462 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2463 // future, please adapt if those tokens get annotated. This test is only here 2464 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2465 Tokens = Annotate("always @(posedge x, posedge y);"); 2466 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2467 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2468 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2469 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2470 2471 // String literals in concatenation. 2472 Tokens = Annotate("x = {\"\"};"); 2473 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2474 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2475 Tokens = Annotate("x = {\"\", \"\"};"); 2476 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2477 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2478 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2479 Tokens = Annotate("x = '{{\"\"}};"); 2480 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2481 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2482 // Cases where the string should not be annotated that type. Fix the 2483 // `TT_Unknown` if needed in the future. 2484 Tokens = Annotate("x = {\"\" == \"\"};"); 2485 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2486 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2487 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2488 Tokens = Annotate("x = {(\"\")};"); 2489 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2490 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2491 Tokens = Annotate("x = '{\"\"};"); 2492 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2493 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2494 } 2495 2496 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2497 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2498 ASSERT_TRUE(Style.isTableGen()); 2499 2500 TestLexer Lexer(Allocator, Buffers, Style); 2501 AdditionalKeywords Keywords(Lexer.IdentTable); 2502 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2503 2504 // Additional keywords representation test. 2505 auto Tokens = Annotate("def foo : Bar<1>;"); 2506 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2507 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2508 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2509 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2510 2511 // Code, the multiline string token. 2512 Tokens = Annotate("[{ code is multiline string }]"); 2513 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2514 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2515 EXPECT_FALSE(Tokens[0]->IsMultiline); 2516 // Case with multiple lines. 2517 Tokens = Annotate("[{ It can break\n" 2518 " across lines and the line breaks\n" 2519 " are retained in \n" 2520 " the string. }]"); 2521 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2522 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2523 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2524 EXPECT_TRUE(Tokens[0]->IsMultiline); 2525 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2526 2527 // Numeric literals. 2528 Tokens = Annotate("1234"); 2529 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2530 Tokens = Annotate("-1"); 2531 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2532 Tokens = Annotate("+1234"); 2533 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2534 Tokens = Annotate("0b0110"); 2535 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2536 Tokens = Annotate("0x1abC"); 2537 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2538 2539 // Identifier tokens. In TableGen, identifiers can begin with a number. 2540 // In ambiguous cases, the lexer tries to lex it as a number. 2541 // Even if the try fails, it does not fall back to identifier lexing and 2542 // regard as an error. 2543 // The ambiguity is not documented. The result of those tests are based on the 2544 // implementation of llvm::TGLexer::LexToken. 2545 // This is invalid syntax of number, but not an identifier. 2546 Tokens = Annotate("0x1234x"); 2547 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2548 Tokens = Annotate("identifier"); 2549 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2550 // Identifier beginning with a number. 2551 Tokens = Annotate("0x"); 2552 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2553 Tokens = Annotate("2dVector"); 2554 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2555 Tokens = Annotate("01234Vector"); 2556 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2557 2558 // Structured statements. 2559 Tokens = Annotate("class Foo {}"); 2560 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2561 Tokens = Annotate("def Def: Foo {}"); 2562 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2563 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2564 Tokens = Annotate("if cond then {} else {}"); 2565 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2566 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2567 Tokens = Annotate("defset Foo Def2 = {}"); 2568 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2569 2570 // Bang Operators. 2571 Tokens = Annotate("!foreach"); 2572 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2573 Tokens = Annotate("!if"); 2574 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2575 Tokens = Annotate("!cond"); 2576 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2577 2578 auto AnnotateValue = [this, &Style](StringRef Code) { 2579 // Values are annotated only in specific context. 2580 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2581 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2582 }; 2583 // Both of bang/cond operators. 2584 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2585 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2586 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2587 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2588 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2589 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2590 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2591 // DAGArg values with operator identifier 2592 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2593 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2594 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2595 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2596 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2597 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2598 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2599 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2600 // List literal 2601 Tokens = AnnotateValue("[1, 2, 3]"); 2602 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2603 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2604 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2605 // Suffixes of values 2606 Tokens = AnnotateValue("valid.field"); 2607 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2608 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2609 // Code 2610 Tokens = AnnotateValue("[{ code is multiline string }]"); 2611 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2612 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2613 2614 // The definition 2615 Tokens = annotate("def Def : Parent<Child> {}", Style); 2616 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2617 // We use inheritance colon and function brace. They are enough. 2618 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2619 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2620 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2621 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2622 2623 // DAGArg breaking options. They use different token types depending on what 2624 // is specified. 2625 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2626 2627 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2628 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2629 // elements to have line break. 2630 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2631 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2632 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2633 EXPECT_TOKEN(Tokens[1], tok::identifier, 2634 TT_TableGenDAGArgOperatorID); // ins 2635 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2636 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2637 2638 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2639 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2640 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2641 EXPECT_TOKEN(Tokens[1], tok::identifier, 2642 TT_TableGenDAGArgOperatorID); // other 2643 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2644 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2645 2646 // For non-identifier operators, breaks after the operator. 2647 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2648 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2649 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2650 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2651 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2652 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2653 2654 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2655 2656 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2657 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2658 // to have line break inside it. 2659 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2660 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2661 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2662 EXPECT_TOKEN(Tokens[1], tok::identifier, 2663 TT_TableGenDAGArgOperatorToBreak); // ins 2664 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2665 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2666 2667 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2668 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2669 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2670 EXPECT_TOKEN(Tokens[1], tok::identifier, 2671 TT_TableGenDAGArgOperatorToBreak); // other 2672 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2673 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2674 2675 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2676 // specified operators. 2677 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2678 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2679 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2680 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2681 EXPECT_TOKEN(Tokens[1], tok::identifier, 2682 TT_TableGenDAGArgOperatorToBreak); // ins 2683 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2684 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2685 2686 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2687 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2688 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2689 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2690 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2691 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2692 2693 // If TableGenBreakingDAGArgOperators is enabled, it uses 2694 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2695 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2696 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2697 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2698 EXPECT_TOKEN(Tokens[1], tok::identifier, 2699 TT_TableGenDAGArgOperatorToBreak); // ins 2700 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2701 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2702 2703 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2704 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2705 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2706 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2707 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2708 } 2709 2710 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2711 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2712 2713 // The TT_Unknown is clearly not binding for the future, please adapt if those 2714 // tokens get annotated. 2715 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2716 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2717 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2718 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2719 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2720 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2721 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2722 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2723 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2724 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2725 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2726 2727 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2728 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2729 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2730 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2731 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2732 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2733 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2734 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2735 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2736 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2737 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2738 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2739 2740 Tokens = annotate("class Class {\n" 2741 " Class() : BaseClass() {\n" 2742 "#if 0\n" 2743 " // comment\n" 2744 "#endif\n" 2745 " }\n" 2746 " Class f();\n" 2747 "}"); 2748 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2749 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2750 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2751 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2752 } 2753 2754 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2755 auto Tokens = annotate("if (x) {}"); 2756 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2757 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2758 Tokens = annotate("if constexpr (x) {}"); 2759 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2760 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2761 Tokens = annotate("if CONSTEXPR (x) {}"); 2762 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2763 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2764 Tokens = annotate("if (x) {} else if (x) {}"); 2765 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2766 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2767 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2768 } 2769 2770 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2771 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2772 2773 auto Tokens = annotate("int? a;", Style); 2774 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2775 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2776 2777 Tokens = annotate("int? a = 1;", Style); 2778 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2779 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2780 2781 Tokens = annotate("int?)", Style); 2782 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2783 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2784 2785 Tokens = annotate("int?>", Style); 2786 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2787 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2788 2789 Tokens = annotate("cond? id : id2", Style); 2790 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2791 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2792 2793 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2794 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2795 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2796 } 2797 2798 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2799 auto Tokens = annotate("{ x: break; }"); 2800 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2801 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2802 2803 Tokens = annotate("{ case x: break; }"); 2804 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2805 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2806 2807 Tokens = annotate("{ x: { break; } }"); 2808 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2809 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2810 2811 Tokens = annotate("{ case x: { break; } }"); 2812 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2813 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2814 2815 Tokens = annotate("#define FOO label:"); 2816 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2817 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2818 2819 Tokens = annotate("#define FOO \\\n" 2820 "label: \\\n" 2821 " break;"); 2822 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2823 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2824 } 2825 2826 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2827 // The closing braces are not annotated. It doesn't seem to cause a problem. 2828 // So we only test for the opening braces. 2829 auto Tokens = annotate("{\n" 2830 " {\n" 2831 " { int a = 0; }\n" 2832 " }\n" 2833 " {}\n" 2834 "}"); 2835 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2836 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2837 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2838 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2839 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2840 } 2841 2842 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2843 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2844 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2845 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2846 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2847 2848 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2849 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2850 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2851 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2852 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2853 2854 Tokens = annotate("SomeStruct {\n" 2855 "#ifdef FOO\n" 2856 " .a = 1,\n" 2857 "#endif\n" 2858 " .b = 2\n" 2859 "};"); 2860 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2861 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2862 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2863 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2864 2865 Tokens = annotate("SomeStruct {\n" 2866 "#if defined FOO\n" 2867 " .a = 1,\n" 2868 "#endif\n" 2869 " .b = 2\n" 2870 "};"); 2871 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2872 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2873 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2874 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2875 2876 Tokens = annotate("Foo foo[] = {[0]{}};"); 2877 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2878 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2879 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2880 } 2881 2882 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2883 auto Annotate = [this](StringRef Code) { 2884 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2885 }; 2886 2887 // Dictionary. 2888 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2889 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2890 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2891 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2892 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2893 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2894 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2895 // Change when we need to annotate these. 2896 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2897 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2898 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2899 } 2900 2901 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2902 auto Tokens = annotate("bool foo __attribute__((unused));"); 2903 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2904 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2905 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2906 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2907 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2908 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2909 2910 Tokens = annotate("bool foo __declspec(dllimport);"); 2911 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2912 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2913 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2914 2915 Tokens = annotate("bool __attribute__((unused)) foo;"); 2916 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2917 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2918 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2919 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2920 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2921 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2922 2923 Tokens = annotate("void __attribute__((x)) Foo();"); 2924 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2925 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2926 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2927 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2928 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2929 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2930 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2931 2932 FormatStyle Style = getLLVMStyle(); 2933 Style.AttributeMacros.push_back("FOO"); 2934 Tokens = annotate("bool foo FOO(unused);", Style); 2935 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2936 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2937 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2938 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2939 } 2940 2941 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2942 auto Tokens = annotate("while (true) {}"); 2943 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2944 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2945 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2946 2947 Tokens = annotate("for (;;) {}"); 2948 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2949 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2950 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2951 2952 Tokens = annotate("do {} while (true);"); 2953 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2954 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2955 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2956 2957 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2958 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2959 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2960 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2961 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2962 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2963 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2964 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2965 2966 Tokens = annotate("switch (foo) {}"); 2967 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2968 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2969 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2970 } 2971 2972 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2973 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2974 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2975 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2976 2977 Tokens = annotate("do ++i; while ( i > 5 );"); 2978 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2979 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2980 } 2981 2982 TEST_F(TokenAnnotatorTest, StartOfName) { 2983 auto Tokens = annotate("#pragma clang diagnostic push"); 2984 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2985 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2986 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2987 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2988 2989 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2990 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2991 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2992 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2993 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2994 2995 Tokens = annotate("#define FOO Foo foo"); 2996 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2997 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2998 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2999 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3000 3001 Tokens = annotate("@interface NSCoder (TestCoder)"); 3002 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3003 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3004 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3005 3006 auto Style = getLLVMStyle(); 3007 Style.StatementAttributeLikeMacros.push_back("emit"); 3008 Tokens = annotate("emit foo = 0;", Style); 3009 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3010 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3011 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3012 } 3013 3014 TEST_F(TokenAnnotatorTest, BraceKind) { 3015 auto Tokens = annotate("void f() {};"); 3016 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3017 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3018 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3019 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3020 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3021 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3022 3023 Tokens = annotate("class Foo<int> f() {}"); 3024 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3025 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3026 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3027 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3028 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3029 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3030 3031 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3032 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3033 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3034 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3035 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3036 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3037 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3038 3039 Tokens = annotate("void f() override {};"); 3040 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3041 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3042 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3043 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3044 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3045 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3046 3047 Tokens = annotate("void f() noexcept(false) {};"); 3048 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3049 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3050 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3051 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3052 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3053 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3054 3055 Tokens = annotate("auto f() -> void {};"); 3056 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3057 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3058 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3059 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3060 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3061 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3062 3063 Tokens = annotate("void f() { /**/ };"); 3064 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3065 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3066 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3067 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3068 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3069 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3070 3071 Tokens = annotate("void f() { //\n" 3072 "};"); 3073 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3074 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3075 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3076 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3077 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3078 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3079 3080 Tokens = annotate("void f() {\n" 3081 " //\n" 3082 "};"); 3083 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3084 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3085 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3086 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3087 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3088 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3089 3090 Tokens = annotate("struct Foo {\n" 3091 " Foo() {};\n" 3092 " ~Foo() {};\n" 3093 "};"); 3094 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3095 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3096 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3097 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3098 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3099 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3100 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3101 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3102 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3103 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3104 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3105 3106 Tokens = annotate("{\n" 3107 " char *a[] = {\n" 3108 " /* abc */ \"abc\",\n" 3109 "#if FOO\n" 3110 " /* xyz */ \"xyz\",\n" 3111 "#endif\n" 3112 " /* last */ \"last\"};\n" 3113 "}"); 3114 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3115 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3116 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3117 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3118 3119 Tokens = 3120 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3121 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3122 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3123 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3124 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3125 3126 Tokens = annotate("struct {};"); 3127 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3128 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3129 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3130 3131 Tokens = annotate("struct : Base {};"); 3132 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3133 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3134 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3135 3136 Tokens = annotate("struct Foo {};"); 3137 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3138 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3139 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3140 3141 Tokens = annotate("struct ::Foo {};"); 3142 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3143 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3144 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3145 3146 Tokens = annotate("struct NS::Foo {};"); 3147 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3148 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3149 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3150 3151 Tokens = annotate("struct Foo<int> {};"); 3152 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3153 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3154 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3155 3156 Tokens = annotate("struct Foo<int>::Bar {};"); 3157 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3158 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3159 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3160 3161 Tokens = annotate("struct Foo<int> : Base {};"); 3162 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3163 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3164 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3165 3166 Tokens = annotate("struct Foo final {};"); 3167 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3168 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3169 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3170 3171 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3172 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3173 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3174 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3175 3176 Tokens = annotate("struct Foo x{};"); 3177 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3178 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3179 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3180 3181 Tokens = annotate("struct ::Foo x{};"); 3182 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3183 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3184 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3185 3186 Tokens = annotate("struct NS::Foo x{};"); 3187 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3188 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3189 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3190 3191 Tokens = annotate("struct Foo<int> x{};"); 3192 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3193 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3194 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3195 3196 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3197 "#else\n" 3198 "#endif\n" 3199 "class RenderingServer : Object {\n" 3200 "#ifndef DISABLE_DEPRECATED\n" 3201 " enum Features {\n" 3202 " FEATURE_SHADERS,\n" 3203 " FEATURE_MULTITHREADED,\n" 3204 " };\n" 3205 "#endif\n" 3206 "};"); 3207 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3208 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3209 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3210 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3211 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3212 } 3213 3214 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3215 auto Tokens = annotate("auto foo() -> enum En {}"); 3216 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3217 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3218 } 3219 3220 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3221 auto Tokens = annotate("{\n" 3222 " {\n" 3223 " foo();\n" 3224 " }\n" 3225 "}"); 3226 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3227 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3228 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3229 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3230 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3231 3232 Tokens = annotate("void bar() {\n" 3233 " {\n" 3234 " foo();\n" 3235 " }\n" 3236 "}"); 3237 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3238 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3239 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3240 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3241 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3242 } 3243 3244 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3245 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3246 auto Tokens = annotate("i = switch (day) {\n" 3247 " case THURSDAY, SATURDAY -> 8;\n" 3248 " case WEDNESDAY -> 9;\n" 3249 " default -> 1;\n" 3250 "};", 3251 Style); 3252 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3253 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3254 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3255 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3256 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3257 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3258 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3259 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3260 } 3261 3262 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3263 auto Tokens = annotate("a = b and c;"); 3264 ASSERT_EQ(Tokens.size(), 7u); 3265 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3266 3267 Tokens = annotate("a = b and_eq c;"); 3268 ASSERT_EQ(Tokens.size(), 7u); 3269 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3270 3271 Tokens = annotate("a = b bitand c;"); 3272 ASSERT_EQ(Tokens.size(), 7u); 3273 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3274 3275 Tokens = annotate("a = b bitor c;"); 3276 ASSERT_EQ(Tokens.size(), 7u); 3277 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3278 3279 Tokens = annotate("a = b compl c;"); 3280 ASSERT_EQ(Tokens.size(), 7u); 3281 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3282 3283 Tokens = annotate("a = b not c;"); 3284 ASSERT_EQ(Tokens.size(), 7u); 3285 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3286 3287 Tokens = annotate("a = b not_eq c;"); 3288 ASSERT_EQ(Tokens.size(), 7u); 3289 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3290 3291 Tokens = annotate("a = b or c;"); 3292 ASSERT_EQ(Tokens.size(), 7u); 3293 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3294 3295 Tokens = annotate("a = b or_eq c;"); 3296 ASSERT_EQ(Tokens.size(), 7u); 3297 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3298 3299 Tokens = annotate("a = b xor c;"); 3300 ASSERT_EQ(Tokens.size(), 7u); 3301 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3302 3303 Tokens = annotate("a = b xor_eq c;"); 3304 ASSERT_EQ(Tokens.size(), 7u); 3305 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3306 3307 Tokens = annotate("xor = foo;"); 3308 ASSERT_EQ(Tokens.size(), 5u); 3309 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3310 3311 Tokens = annotate("int xor = foo;"); 3312 ASSERT_EQ(Tokens.size(), 6u); 3313 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3314 } 3315 3316 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3317 auto Tokens = 3318 annotate("Foo::Foo(int x, int y) try\n" 3319 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3320 "} catch (...) {\n" 3321 "}"); 3322 ASSERT_EQ(Tokens.size(), 45u); 3323 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3324 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3325 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3326 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3327 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_TrailingReturnArrow); 3328 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3329 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3330 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3331 } 3332 3333 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3334 auto Style = getLLVMStyle(); 3335 Style.TypenameMacros.push_back("STRUCT"); 3336 3337 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3338 ASSERT_EQ(Tokens.size(), 13u); 3339 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3340 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3341 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3342 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3343 } 3344 3345 } // namespace 3346 } // namespace format 3347 } // namespace clang 3348