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 <enable_if_t<foo && !bar>* = nullptr> void f();"); 273 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 274 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 275 276 Tokens = 277 annotate("auto foo() noexcept(noexcept(bar()) && " 278 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 279 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 280 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 281 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 282 283 Tokens = annotate("foo = *i < *j && *j > *k;"); 284 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 285 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 286 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 287 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 288 289 FormatStyle Style = getLLVMStyle(); 290 Style.TypeNames.push_back("MYI"); 291 Tokens = annotate("if (MYI *p{nullptr})", Style); 292 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 293 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 294 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 295 296 Style.TypeNames.push_back("Class"); 297 Tokens = annotate("if (Class *obj {getObj()})", Style); 298 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 299 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 300 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 301 302 Tokens = annotate("class Foo {\n" 303 " void operator<() {}\n" 304 " Foo &f;\n" 305 "};"); 306 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 307 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 308 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 309 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 310 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 311 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 312 313 Tokens = annotate("if (new && num) {\n" 314 " new = 1;\n" 315 "}\n" 316 "if (!delete && num) {\n" 317 " delete = 1;\n" 318 "}"); 319 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 320 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 321 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 322 } 323 324 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 325 auto Tokens = annotate("x - 0"); 326 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 327 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 328 Tokens = annotate("0 + 0"); 329 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 330 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 331 Tokens = annotate("x + +0"); 332 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 333 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 334 Tokens = annotate("x ? -0 : +0"); 335 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 336 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 337 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 338 Tokens = annotate("(-0)"); 339 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 340 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 341 Tokens = annotate("0, -0"); 342 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 343 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 344 Tokens = annotate("for (; -1;) {\n}"); 345 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 346 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 347 Tokens = annotate("x = -1;"); 348 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 349 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 350 Tokens = annotate("x[-1]"); 351 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 352 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 353 Tokens = annotate("x = {-1};"); 354 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 355 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 356 Tokens = annotate("case -x:"); 357 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 358 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 359 Tokens = annotate("co_await -x;"); 360 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 361 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 362 Tokens = annotate("co_return -x;"); 363 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 364 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 365 Tokens = annotate("co_yield -x;"); 366 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 367 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 368 Tokens = annotate("delete -x;"); 369 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 370 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 371 Tokens = annotate("return -x;"); 372 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 373 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 374 Tokens = annotate("throw -x;"); 375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 376 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 377 Tokens = annotate("sizeof -x"); 378 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 379 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 380 Tokens = annotate("co_await +x;"); 381 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 382 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 383 Tokens = annotate("co_return +x;"); 384 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 385 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 386 Tokens = annotate("co_yield +x;"); 387 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 388 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 389 Tokens = annotate("delete +x;"); 390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 391 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 392 Tokens = annotate("return +x;"); 393 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 394 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 395 Tokens = annotate("throw +x;"); 396 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 397 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 398 Tokens = annotate("sizeof +x"); 399 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 400 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 401 Tokens = annotate("(int)-x"); 402 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 403 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 404 Tokens = annotate("(-x)"); 405 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 407 Tokens = annotate("!+x"); 408 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 409 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 410 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 411 } 412 413 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 414 auto Tokens = annotate("class C {};"); 415 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 416 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 417 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 418 419 Tokens = annotate("const class C {} c;"); 420 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 421 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 422 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 423 424 Tokens = annotate("const class {} c;"); 425 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 426 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 427 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 428 429 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 430 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 431 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 432 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 433 } 434 435 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 436 auto Tokens = annotate("struct S {};"); 437 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 438 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 439 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 440 441 Tokens = annotate("struct macro(a) S {};"); 442 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 443 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 444 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 445 446 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 447 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 448 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 449 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 450 451 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 452 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 453 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 454 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 455 456 Tokens = annotate("struct macro(a) S {\n" 457 " void f(T &t);\n" 458 "};"); 459 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 460 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 461 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 462 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 463 464 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 465 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 466 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 467 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 468 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 469 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 470 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 471 472 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 473 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 474 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 475 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 476 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 477 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 478 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 479 480 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 481 " void f(T const (&a)[n]);\n" 482 "};"); 483 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 484 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 485 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 486 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 487 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 488 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 489 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 490 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 491 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 492 493 Tokens = annotate("template <typename T, enum E e> struct S {};"); 494 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 495 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 496 497 auto Style = getLLVMStyle(); 498 Style.AttributeMacros.push_back("EXPORT"); 499 Tokens = annotate("struct EXPORT StructName {};", Style); 500 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 501 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 502 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 503 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 504 } 505 506 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 507 auto Tokens = annotate("union U {};"); 508 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 509 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 510 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 511 512 Tokens = annotate("union U { void f() { return; } };"); 513 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 514 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 515 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 516 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 517 } 518 519 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 520 auto Tokens = annotate("enum E {};"); 521 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 522 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 523 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 524 } 525 526 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 527 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 528 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 529 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 530 531 Tokens = annotate("template <typename T> void F(T) && = delete;"); 532 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 533 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 534 } 535 536 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 537 auto Tokens = 538 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 539 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 540 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 541 } 542 543 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 544 auto Tokens = 545 annotate("template <typename T> " 546 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 547 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 548 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 549 } 550 551 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 552 auto Tokens = 553 annotate("#define FOO(typeName) \\\n" 554 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 555 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 556 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 557 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 558 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 559 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 560 } 561 562 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 563 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 564 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 565 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 566 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 567 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 568 } 569 570 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 571 // IsExpression = false 572 auto Tokens = annotate("foo<true ? 1 : 2>();"); 573 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 574 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 575 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 576 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 577 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 578 579 // IsExpression = true 580 Tokens = annotate("return foo<true ? 1 : 2>();"); 581 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 582 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 583 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 584 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 585 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 586 } 587 588 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 589 auto Tokens = annotate("return a < b && c > d;"); 590 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 591 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 592 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 593 594 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 595 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 596 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 597 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 598 599 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 600 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 601 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 602 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 603 } 604 605 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 606 auto Tokens = annotate("template <template <typename...> typename X,\n" 607 " template <typename...> class Y,\n" 608 " typename... T>\n" 609 "class A {};"); 610 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 611 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 612 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 613 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 614 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 615 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 616 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 617 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 618 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 619 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 620 } 621 622 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 623 FormatStyle Style = getLLVMStyle(); 624 Style.WhitespaceSensitiveMacros.push_back("FOO"); 625 626 auto Tokens = annotate("FOO(1+2 )", Style); 627 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 628 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 629 630 Tokens = annotate("FOO(a:b:c)", Style); 631 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 632 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 633 } 634 635 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 636 auto Tokens = annotate("delete (void *)p;"); 637 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 638 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 639 640 Tokens = annotate("delete[] (void *)p;"); 641 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 642 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 643 644 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 645 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 646 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 647 648 Tokens = annotate("delete[/*comment*/] (void *)p;"); 649 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 650 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 651 652 Tokens = annotate("delete/*comment*/[] (void *)p;"); 653 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 654 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 655 } 656 657 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 658 auto Tokens = annotate("(void)p;"); 659 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 660 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 661 662 Tokens = annotate("(uint32_t)&&label;"); 663 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 664 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 665 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 666 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 667 668 Tokens = annotate("auto x = (Foo)p;"); 669 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 670 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 671 672 Tokens = annotate("(std::vector<int>)p;"); 673 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 674 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 675 676 Tokens = annotate("return (Foo)p;"); 677 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 678 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 679 680 Tokens = annotate("throw (Foo)p;"); 681 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 682 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 683 684 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 685 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 686 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 687 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 688 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 689 690 Tokens = annotate("#define foo(i) ((i) - bar)"); 691 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 692 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 693 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 694 695 Tokens = annotate("return (Foo) & 10;"); 696 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 697 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 698 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 699 700 Tokens = annotate("return (struct foo){};"); 701 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 702 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 703 704 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 705 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 706 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 707 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 708 709 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 710 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 711 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 712 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 713 714 auto Style = getLLVMStyle(); 715 Style.TypeNames.push_back("Foo"); 716 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 717 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 718 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 719 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 720 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 721 } 722 723 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 724 auto Tokens = annotate("void f() throw(int);"); 725 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 726 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 727 } 728 729 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 730 auto Tokens = annotate("void f() &;"); 731 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 732 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 733 734 Tokens = annotate("void operator=(T) &&;"); 735 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 736 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 737 738 Tokens = annotate("template <typename T> void f() &;"); 739 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 740 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 741 742 Tokens = annotate("template <typename T> void operator=(T) &;"); 743 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 744 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 745 } 746 747 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 748 auto Tokens = annotate("x.operator+()"); 749 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 750 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 751 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 752 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 753 Tokens = annotate("x.operator=()"); 754 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 755 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 756 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 757 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 758 Tokens = annotate("x.operator+=()"); 759 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 760 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 761 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 762 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 763 Tokens = annotate("x.operator,()"); 764 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 765 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 766 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 767 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 768 Tokens = annotate("x.operator()()"); 769 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 770 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 771 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 772 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 773 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 774 Tokens = annotate("x.operator[]()"); 775 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 776 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 777 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 778 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 779 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 780 Tokens = annotate("x.operator\"\"_a()"); 781 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 782 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 783 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 784 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 785 Tokens = annotate("x.operator\"\" _a()"); 786 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 787 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 788 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 789 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 790 Tokens = annotate("x.operator\"\"if()"); 791 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 792 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 793 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 794 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 795 Tokens = annotate("x.operator\"\"s()"); 796 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 797 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 798 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 799 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 800 Tokens = annotate("x.operator\"\" s()"); 801 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 802 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 803 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 804 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 805 806 Tokens = annotate("int operator+(int);"); 807 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 808 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 809 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 810 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 811 Tokens = annotate("auto operator=(T&) {}"); 812 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 813 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 814 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 815 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 816 Tokens = annotate("auto operator()() {}"); 817 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 818 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 819 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 820 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 821 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 822 823 Tokens = annotate("class Foo {\n" 824 " int operator+(a* b);\n" 825 "}"); 826 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 827 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 828 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 829 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 830 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 831 832 Tokens = annotate("class Foo {\n" 833 " int c = operator+(a * b);\n" 834 "}"); 835 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 836 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 837 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 838 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 839 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 840 841 Tokens = annotate("void foo() {\n" 842 " operator+(a * b);\n" 843 "}"); 844 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 845 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 846 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 847 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 848 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 849 850 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 851 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 852 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 853 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 854 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 855 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 856 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 857 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 858 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 859 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 860 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 861 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 862 863 Tokens = annotate("class Foo {\n" 864 " void foo() {\n" 865 " operator+(a * b);\n" 866 " }\n" 867 "}"); 868 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 869 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 870 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 871 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 872 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 873 874 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 875 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 876 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 877 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 878 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 879 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 880 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 881 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 882 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 883 884 Tokens = annotate("decltype(auto) operator()(T &x);"); 885 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 886 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 887 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 888 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 889 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 890 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 891 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 892 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 893 } 894 895 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 896 struct { 897 const char *Text; 898 tok::TokenKind Kind; 899 } Operators[] = {{"+", tok::plus}, 900 {"-", tok::minus}, 901 // FIXME: 902 // {"*", tok::star}, 903 {"/", tok::slash}, 904 {"%", tok::percent}, 905 {"^", tok::caret}, 906 // FIXME: 907 // {"&", tok::amp}, 908 {"|", tok::pipe}, 909 {"~", tok::tilde}, 910 {"!", tok::exclaim}, 911 {"=", tok::equal}, 912 // FIXME: 913 // {"<", tok::less}, 914 {">", tok::greater}, 915 {"+=", tok::plusequal}, 916 {"-=", tok::minusequal}, 917 {"*=", tok::starequal}, 918 {"/=", tok::slashequal}, 919 {"%=", tok::percentequal}, 920 {"^=", tok::caretequal}, 921 {"&=", tok::ampequal}, 922 {"|=", tok::pipeequal}, 923 {"<<", tok::lessless}, 924 {">>", tok::greatergreater}, 925 {">>=", tok::greatergreaterequal}, 926 {"<<=", tok::lesslessequal}, 927 {"==", tok::equalequal}, 928 {"!=", tok::exclaimequal}, 929 {"<=", tok::lessequal}, 930 {">=", tok::greaterequal}, 931 {"<=>", tok::spaceship}, 932 {"&&", tok::ampamp}, 933 {"||", tok::pipepipe}, 934 {"++", tok::plusplus}, 935 {"--", tok::minusminus}, 936 {",", tok::comma}, 937 {"->*", tok::arrowstar}, 938 {"->", tok::arrow}}; 939 940 for (const auto &Operator : Operators) { 941 std::string Input("C<&operator"); 942 Input += Operator.Text; 943 Input += " > a;"; 944 auto Tokens = annotate(std::string(Input)); 945 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 946 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 947 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 948 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 949 } 950 951 auto Tokens = annotate("C<&operator< <X>> lt;"); 952 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 953 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 954 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 955 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 956 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 957 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 958 } 959 960 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 961 auto Tokens = annotate("template <typename T>\n" 962 "concept C = (Foo && Bar) && (Bar && Baz);"); 963 964 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 965 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 966 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 967 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 968 969 Tokens = annotate("template <typename T>\n" 970 "concept C = Foo && !Bar;"); 971 972 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 973 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 974 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 975 976 Tokens = annotate("template <typename T>\n" 977 "concept C = requires(T t) {\n" 978 " { t.foo() };\n" 979 "} && Bar<T> && Baz<T>;"); 980 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 981 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 982 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 983 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 984 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 985 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 986 987 Tokens = annotate("template<typename T>\n" 988 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 989 "struct Foo;"); 990 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 991 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 992 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 993 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 994 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 995 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 996 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 997 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 998 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 999 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1000 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1001 1002 Tokens = 1003 annotate("template<typename T>\n" 1004 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1005 "struct Foo;"); 1006 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1007 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1008 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1009 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1010 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1011 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1012 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1013 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1014 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1015 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1016 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1017 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1018 1019 Tokens = annotate("template <typename T>\n" 1020 "void foo(T) noexcept requires Bar<T>;"); 1021 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1022 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1023 1024 Tokens = annotate("template <typename T>\n" 1025 "requires Bar<T> || Baz<T>\n" 1026 "auto foo(T) -> int;"); 1027 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1028 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1029 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1030 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1031 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1032 1033 Tokens = annotate("template <typename T>\n" 1034 "requires Bar<T>\n" 1035 "bool foo(T) { return false; }"); 1036 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1037 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1038 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1039 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1040 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1041 1042 Tokens = annotate("template <typename T>\n" 1043 "requires Bar<T>\n" 1044 "decltype(auto) foo(T) { return false; }"); 1045 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1046 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1047 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1048 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1049 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1050 1051 Tokens = annotate("template <typename T>\n" 1052 "struct S {\n" 1053 " void foo() const requires Bar<T>;\n" 1054 " void bar() const & requires Baz<T>;\n" 1055 " void bar() && requires Baz2<T>;\n" 1056 " void baz() const & noexcept requires Baz<T>;\n" 1057 " void baz() && noexcept requires Baz2<T>;\n" 1058 "};\n" 1059 "\n" 1060 "void S::bar() const & requires Baz<T> { }"); 1061 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1062 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1063 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1064 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1065 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1066 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1067 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1068 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1069 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1070 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1071 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1072 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1073 1074 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1075 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1076 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1077 1078 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1079 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1080 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1081 1082 Tokens = 1083 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1084 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1085 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1086 1087 Tokens = annotate("void Class::member() && requires(typename " 1088 "Namespace::Outer<T>::Inner::Constant) {}"); 1089 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1090 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1091 1092 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1093 " template<class T>\n" 1094 " requires requires { number_zero_v<T>; }\n" 1095 " [[nodiscard]] constexpr operator T() const { " 1096 "return number_zero_v<T>; }\n" 1097 "};"); 1098 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1099 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1100 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1101 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1102 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1103 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1104 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1105 1106 Tokens = 1107 annotate("template <class A, class B> concept C =" 1108 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1109 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1110 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1111 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1112 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1113 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1114 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1115 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1116 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1117 1118 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1119 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1120 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1121 1122 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1123 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1124 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1125 1126 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1127 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1128 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1129 1130 Tokens = 1131 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1132 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1133 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1134 1135 Tokens = 1136 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1137 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1138 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1139 1140 Tokens = 1141 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1142 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1143 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1144 1145 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1146 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1147 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1148 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1149 1150 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1151 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1152 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1153 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1154 1155 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1156 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1157 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1158 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1159 1160 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1161 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1162 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1163 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1164 1165 Tokens = annotate("void f() & requires(true) {}"); 1166 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1167 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1168 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1169 1170 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1171 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1172 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1173 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1174 1175 Tokens = annotate("template <typename T>\n" 1176 "concept C = (!Foo<T>) && Bar;"); 1177 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1178 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1179 1180 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1181 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1182 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1183 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1184 1185 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1186 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1187 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1188 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1189 1190 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1191 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1192 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1193 1194 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1195 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1196 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1197 1198 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1199 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1200 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1201 } 1202 1203 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1204 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1205 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1206 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1207 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1208 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1209 1210 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1211 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1212 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1213 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1214 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1215 1216 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1217 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1218 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1219 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1220 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1221 1222 Tokens = annotate("foo(requires(const T t) {});"); 1223 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1224 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1225 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1226 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1227 1228 Tokens = annotate("foo(requires(const int t) {});"); 1229 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1230 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1231 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1232 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1233 1234 Tokens = annotate("foo(requires(const T t) {});"); 1235 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1236 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1237 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1238 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1239 1240 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1241 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1242 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1243 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1244 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1245 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1246 1247 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1248 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1249 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1250 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1251 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1252 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1253 1254 Tokens = annotate("foo(requires(T& t) {});"); 1255 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1256 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1257 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1258 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1259 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1260 1261 Tokens = annotate("foo(requires(T&& t) {});"); 1262 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1263 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1264 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1265 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1266 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1267 1268 Tokens = annotate("bool foo = requires(T& t) {};"); 1269 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1270 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1271 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1272 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1273 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1274 1275 Tokens = annotate("bool foo = requires(T&& t) {};"); 1276 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1277 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1278 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1279 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1280 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1281 1282 Tokens = 1283 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1284 ASSERT_EQ(Tokens.size(), 21u) << 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[12], tok::star, TT_PointerOrReference); 1288 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1289 1290 Tokens = annotate("template <typename T>\n" 1291 "concept C = requires(T T) {\n" 1292 " requires Bar<T> && Foo<T>;\n" 1293 "};"); 1294 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1295 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1296 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1297 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1298 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1299 TT_RequiresClauseInARequiresExpression); 1300 1301 Tokens = annotate("template <typename T>\n" 1302 "concept C = requires(T T) {\n" 1303 " { t.func() } -> std::same_as<int>;" 1304 " requires Bar<T> && Foo<T>;\n" 1305 "};"); 1306 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1307 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1308 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1309 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1310 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1311 TT_RequiresClauseInARequiresExpression); 1312 1313 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1314 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1315 "requires true; };"); 1316 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1317 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1318 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1319 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1320 1321 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1322 " { c.foo(); }\n" 1323 "};"); 1324 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1325 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1326 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1327 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1328 } 1329 1330 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1331 // Everything after #pragma region should be ImplicitStringLiteral 1332 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1333 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1334 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1335 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1336 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1337 1338 // Make sure it's annotated correctly inside a function as well 1339 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1340 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1341 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1342 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1343 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1344 } 1345 1346 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1347 const char *BaseCode = nullptr; 1348 const char *ConstrainedCode = nullptr; 1349 auto BaseTokenCount = 0u; 1350 auto RequiresTokenCount = 0u; 1351 auto PrefixTokenCount = 0u; 1352 1353 auto TestRequires = [&](int Line) { 1354 const auto BaseTokens = annotate(BaseCode); 1355 const auto ConstrainedTokens = annotate(ConstrainedCode); 1356 1357 #define LINE " (Line " << Line << ')' 1358 1359 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1360 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1361 << LINE; 1362 1363 for (auto I = 0u; I < BaseTokenCount; ++I) { 1364 EXPECT_EQ( 1365 *BaseTokens[I], 1366 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1367 << I << LINE; 1368 } 1369 1370 #undef LINE 1371 }; 1372 1373 BaseCode = "template<typename T>\n" 1374 "T Pi = 3.14;"; 1375 ConstrainedCode = "template<typename T>\n" 1376 " requires Foo<T>\n" 1377 "T Pi = 3.14;"; 1378 BaseTokenCount = 11; 1379 RequiresTokenCount = 5; 1380 PrefixTokenCount = 5; 1381 TestRequires(__LINE__); 1382 1383 BaseCode = "template<typename T>\n" 1384 "struct Bar;"; 1385 ConstrainedCode = "template<typename T>\n" 1386 " requires Foo<T>\n" 1387 "struct Bar;"; 1388 BaseTokenCount = 9; 1389 TestRequires(__LINE__); 1390 1391 BaseCode = "template<typename T>\n" 1392 "struct Bar {\n" 1393 " T foo();\n" 1394 " T bar();\n" 1395 "};"; 1396 ConstrainedCode = "template<typename T>\n" 1397 " requires Foo<T>\n" 1398 "struct Bar {\n" 1399 " T foo();\n" 1400 " T bar();\n" 1401 "};"; 1402 BaseTokenCount = 21; 1403 TestRequires(__LINE__); 1404 1405 BaseCode = "template<typename T>\n" 1406 "Bar(T) -> Bar<T>;"; 1407 ConstrainedCode = "template<typename T>\n" 1408 " requires Foo<T>\n" 1409 "Bar(T) -> Bar<T>;"; 1410 BaseTokenCount = 16; 1411 TestRequires(__LINE__); 1412 1413 BaseCode = "template<typename T>\n" 1414 "T foo();"; 1415 ConstrainedCode = "template<typename T>\n" 1416 " requires Foo<T>\n" 1417 "T foo();"; 1418 BaseTokenCount = 11; 1419 TestRequires(__LINE__); 1420 1421 BaseCode = "template<typename T>\n" 1422 "T foo() {\n" 1423 " auto bar = baz();\n" 1424 " return bar + T{};\n" 1425 "}"; 1426 ConstrainedCode = "template<typename T>\n" 1427 " requires Foo<T>\n" 1428 "T foo() {\n" 1429 " auto bar = baz();\n" 1430 " return bar + T{};\n" 1431 "}"; 1432 BaseTokenCount = 26; 1433 TestRequires(__LINE__); 1434 1435 BaseCode = "template<typename T>\n" 1436 "T foo();"; 1437 ConstrainedCode = "template<typename T>\n" 1438 "T foo() requires Foo<T>;"; 1439 BaseTokenCount = 11; 1440 PrefixTokenCount = 9; 1441 TestRequires(__LINE__); 1442 1443 BaseCode = "template<typename T>\n" 1444 "T foo() {\n" 1445 " auto bar = baz();\n" 1446 " return bar + T{};\n" 1447 "}"; 1448 ConstrainedCode = "template<typename T>\n" 1449 "T foo() requires Foo<T> {\n" 1450 " auto bar = baz();\n" 1451 " return bar + T{};\n" 1452 "}"; 1453 BaseTokenCount = 26; 1454 TestRequires(__LINE__); 1455 1456 BaseCode = "template<typename T>\n" 1457 "T foo();"; 1458 ConstrainedCode = "template<typename T>\n" 1459 " requires(Foo<T>)\n" 1460 "T foo();"; 1461 BaseTokenCount = 11; 1462 RequiresTokenCount = 7; 1463 PrefixTokenCount = 5; 1464 TestRequires(__LINE__); 1465 1466 BaseCode = "template<typename T>\n" 1467 "Bar(T) -> Bar<typename T::I>;"; 1468 ConstrainedCode = "template<typename T>\n" 1469 " requires requires(T &&t) {\n" 1470 " typename T::I;\n" 1471 " }\n" 1472 "Bar(T) -> Bar<typename T::I>;"; 1473 BaseTokenCount = 19; 1474 RequiresTokenCount = 14; 1475 PrefixTokenCount = 5; 1476 TestRequires(__LINE__); 1477 1478 BaseCode = "struct [[nodiscard]] zero_t {\n" 1479 " template<class T>\n" 1480 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1481 "};"; 1482 ConstrainedCode = 1483 "struct [[nodiscard]] zero_t {\n" 1484 " template<class T>\n" 1485 " requires requires { v<T>; }\n" 1486 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1487 "};"; 1488 BaseTokenCount = 35; 1489 RequiresTokenCount = 9; 1490 PrefixTokenCount = 13; 1491 TestRequires(__LINE__); 1492 1493 BaseCode = "constexpr Foo(Foo const &other)\n" 1494 " : value{other.value} {\n" 1495 " do_magic();\n" 1496 " do_more_magic();\n" 1497 "}"; 1498 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1499 " requires std::is_copy_constructible<T>\n" 1500 " : value{other.value} {\n" 1501 " do_magic();\n" 1502 " do_more_magic();\n" 1503 "}"; 1504 BaseTokenCount = 26; 1505 RequiresTokenCount = 7; 1506 PrefixTokenCount = 8; 1507 TestRequires(__LINE__); 1508 1509 BaseCode = "constexpr Foo(Foo const &other)\n" 1510 " : value{other.value} {\n" 1511 " do_magic();\n" 1512 " do_more_magic();\n" 1513 "}"; 1514 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1515 " requires (std::is_copy_constructible<T>)\n" 1516 " : value{other.value} {\n" 1517 " do_magic();\n" 1518 " do_more_magic();\n" 1519 "}"; 1520 RequiresTokenCount = 9; 1521 TestRequires(__LINE__); 1522 1523 BaseCode = "template<typename T>\n" 1524 "ANNOTATE(\"S\"\n" 1525 " \"S\")\n" 1526 "void foo();"; 1527 ConstrainedCode = "template<typename T>\n" 1528 " requires(true)\n" 1529 "ANNOTATE(\"S\"\n" 1530 " \"S\")\n" 1531 "void foo();"; 1532 BaseTokenCount = 16; 1533 RequiresTokenCount = 4; 1534 PrefixTokenCount = 5; 1535 TestRequires(__LINE__); 1536 } 1537 1538 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1539 auto Tokens = annotate("__asm{\n" 1540 "\"a\":\n" 1541 ": x\n" 1542 ":};"); 1543 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1544 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1545 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1546 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1547 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1548 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1549 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1550 1551 Tokens = annotate("__asm(\n" 1552 "\"a\":\n" 1553 ": x\n" 1554 ":);"); 1555 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1556 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1557 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1558 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1559 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1560 1561 Tokens = annotate("asm volatile (\n" 1562 "\"a_label:\"\n" 1563 ":\n" 1564 ": x\n" 1565 ":);"); 1566 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1567 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1568 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1569 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1570 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1571 1572 Tokens = annotate("__asm__(\n" 1573 "\"a_label:\"\n" 1574 ": x\n" 1575 ":\n" 1576 ": y);"); 1577 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1578 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1579 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1580 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1581 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1582 1583 Tokens = annotate("__asm volatile (\n" 1584 "\"a_label:\"\n" 1585 "\"a b c(%%x)\"\n" 1586 ":\n" 1587 ": x\n" 1588 ":);"); 1589 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1590 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1591 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1592 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1593 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1594 1595 Tokens = annotate("asm(\n" 1596 "\"insn\"\n" 1597 ": \"=r\" (var1), \"=&r\" (value)\n" 1598 ":\n" 1599 ": \"memory\");"); 1600 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1601 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1602 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1603 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1604 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1605 1606 Tokens = annotate("__asm__ volatile (\n" 1607 "\"ldr r1, [r0, %%[sym]]\"\n" 1608 ":\n" 1609 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1610 ");"); 1611 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1612 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1613 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1614 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1615 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1616 } 1617 1618 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1619 auto Tokens = annotate("int (^)() = ^ ()\n" 1620 " external_source_symbol() { //\n" 1621 " return 1;\n" 1622 "};"); 1623 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1624 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1625 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1626 1627 Tokens = annotate("int *p = ^int*(){ //\n" 1628 " return nullptr;\n" 1629 "}();"); 1630 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1631 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1632 } 1633 1634 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1635 auto Tokens = annotate("void f() {\n" 1636 " //\n" 1637 " BOOL a = [b.c n] > 1;\n" 1638 "}"); 1639 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1640 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1641 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1642 } 1643 1644 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1645 auto Tokens = annotate("[]() constexpr {}"); 1646 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1647 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1648 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1649 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1650 1651 Tokens = annotate("[]() consteval {}"); 1652 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1653 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1654 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1655 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1656 1657 Tokens = annotate("[]() mutable {}"); 1658 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1659 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1660 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1661 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1662 1663 Tokens = annotate("[]() static {}"); 1664 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1665 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1666 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1667 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1668 1669 Tokens = annotate("[]() -> auto {}"); 1670 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1671 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1672 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1673 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1674 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1675 1676 Tokens = annotate("[]() -> auto & {}"); 1677 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1678 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1679 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1680 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1681 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1682 1683 Tokens = annotate("[]() -> auto * {}"); 1684 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1685 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1686 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1687 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1688 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1689 1690 Tokens = annotate("[] {}"); 1691 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1692 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1693 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1694 1695 Tokens = annotate("[] noexcept {}"); 1696 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1697 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1698 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1699 1700 Tokens = annotate("[] -> auto {}"); 1701 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1702 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1703 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1704 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1705 1706 Tokens = annotate("[] -> struct S { return {}; }"); 1707 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1708 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1709 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1710 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1711 1712 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1713 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1714 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1715 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1716 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1717 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1718 1719 Tokens = annotate("[] <typename T> () {}"); 1720 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1721 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1722 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1723 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1724 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1725 1726 Tokens = annotate("[] <typename T> {}"); 1727 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1728 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1729 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1730 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1731 1732 Tokens = annotate("[] <typename... T> () {}"); 1733 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1734 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1735 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1736 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1737 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1738 1739 Tokens = annotate("[] <typename... T> {}"); 1740 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1741 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1742 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1743 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1744 1745 Tokens = annotate("[] <int... T> () {}"); 1746 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1747 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1748 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1749 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1750 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1751 1752 Tokens = annotate("[] <int... T> {}"); 1753 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1754 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1755 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1756 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1757 1758 Tokens = annotate("[] <Foo... T> () {}"); 1759 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1760 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1761 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1762 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1763 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1764 1765 Tokens = annotate("[] <Foo... T> {}"); 1766 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1767 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1768 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1769 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1770 1771 // Lambdas with a requires-clause 1772 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1773 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1774 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1775 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1776 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1777 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1778 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1779 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1780 1781 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1782 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1783 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1784 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1785 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1786 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1787 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1788 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1789 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1790 1791 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1792 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1793 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1794 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1795 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1796 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1797 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1798 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1799 1800 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1801 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1802 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1803 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1804 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1805 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1806 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1807 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1808 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1809 1810 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1811 ASSERT_EQ(Tokens.size(), 18u) << 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::kw_requires, TT_RequiresClause); 1815 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1816 // FIXME: 1817 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1818 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1819 1820 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1821 ASSERT_EQ(Tokens.size(), 19u) << 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::kw_requires, TT_RequiresClause); 1825 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1826 // FIXME: 1827 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1828 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1829 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1830 1831 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1832 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1833 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1834 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1835 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1836 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1837 // FIXME: 1838 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1839 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1840 1841 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1842 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1843 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1844 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1845 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1846 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1847 // FIXME: 1848 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1849 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1850 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1851 1852 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1853 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1854 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1855 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1856 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1857 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1858 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1859 1860 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1861 ASSERT_EQ(Tokens.size(), 15u) << 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[10]->ClosesRequiresClause); 1866 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1867 1868 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1869 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1870 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1871 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1872 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1873 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1874 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1875 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1876 1877 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1878 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1879 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1880 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1881 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1882 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1883 // FIXME: 1884 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1885 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1886 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1887 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1888 1889 Tokens = annotate("[] <typename T = int> (T t) {}"); 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[7], tok::greater, TT_TemplateCloser); 1894 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1895 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1896 1897 Tokens = annotate("[] <int I = 0> (T t) {}"); 1898 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1899 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1900 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1901 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1902 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1903 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1904 1905 Tokens = annotate("[] <bool b = false> (T t) {}"); 1906 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1907 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1908 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1909 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1910 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1911 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1912 1913 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1914 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1915 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1916 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1917 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1918 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1919 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 1920 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1921 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1922 1923 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1924 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1925 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1926 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1927 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1928 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1929 // FIXME: 1930 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 1931 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1932 } 1933 1934 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1935 auto Tokens = annotate("template <typename T>\n" 1936 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1937 "string OldFunction(const string ¶meter) {}"); 1938 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1939 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1940 1941 Tokens = annotate("template <typename T>\n" 1942 "A(T) noexcept;"); 1943 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1944 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1945 1946 Tokens = annotate("FOO(bar)();"); 1947 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1948 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 1949 } 1950 1951 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1952 auto Tokens = annotate("void f [[noreturn]] ();"); 1953 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1954 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1955 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1956 1957 Tokens = annotate("void f [[noreturn]] () {}"); 1958 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1959 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1960 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1961 1962 Tokens = annotate("#define FOO Foo::\n" 1963 "FOO Foo();"); 1964 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1965 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1966 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1967 1968 Tokens = annotate("struct Foo {\n" 1969 " Bar (*func)();\n" 1970 "};"); 1971 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1972 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1973 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1974 1975 Tokens = annotate("void instanceof();"); 1976 ASSERT_EQ(Tokens.size(), 6u); 1977 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1978 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 1979 1980 Tokens = annotate("int iso_time(time_t);"); 1981 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1982 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1983 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 1984 1985 auto Style = getLLVMStyle(); 1986 Style.TypeNames.push_back("MyType"); 1987 Tokens = annotate("int iso_time(MyType);", Style); 1988 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1989 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1990 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 1991 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1992 } 1993 1994 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1995 auto Tokens = annotate("class Foo { public: Foo(); };"); 1996 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1997 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1998 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 1999 2000 Tokens = annotate("class Foo { public: ~Foo(); };"); 2001 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2002 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2003 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2004 2005 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2006 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2007 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2008 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2009 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2010 2011 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2012 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2013 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2014 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2015 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2016 2017 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2018 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2019 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2020 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2021 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2022 2023 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2024 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2025 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2026 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2027 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2028 2029 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2030 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2031 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2032 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2033 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2034 2035 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2036 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2037 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2038 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2039 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2040 2041 Tokens = annotate("Foo::Foo() {}"); 2042 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2043 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2044 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2045 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2046 2047 Tokens = annotate("Foo::~Foo() {}"); 2048 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2049 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2050 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2051 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2052 2053 Tokens = annotate("struct Test {\n" 2054 " Test()\n" 2055 " : l([] {\n" 2056 " Short::foo();\n" 2057 " }) {}\n" 2058 "};"); 2059 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2060 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2061 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2062 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2063 } 2064 2065 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2066 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2067 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2068 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2069 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2070 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2071 } 2072 2073 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2074 auto Tokens = annotate("auto f() -> int;"); 2075 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2076 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2077 2078 Tokens = annotate("auto operator->() -> int;"); 2079 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2080 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2081 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2082 2083 Tokens = annotate("auto operator++(int) -> int;"); 2084 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2085 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2086 2087 Tokens = annotate("auto operator=() -> int;"); 2088 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2089 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2090 2091 Tokens = annotate("auto operator=(int) -> int;"); 2092 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2093 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2094 2095 Tokens = annotate("auto foo() -> auto { return Val; }"); 2096 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2097 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2098 2099 Tokens = annotate("struct S { auto bar() const -> int; };"); 2100 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2101 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2102 2103 // Not trailing return arrows 2104 Tokens = annotate("auto a = b->c;"); 2105 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2106 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2107 2108 Tokens = annotate("auto a = (b)->c;"); 2109 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2110 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2111 2112 Tokens = annotate("auto a = b()->c;"); 2113 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2114 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2115 2116 Tokens = annotate("auto a = b->c();"); 2117 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2118 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2119 2120 Tokens = annotate("decltype(auto) a = b()->c;"); 2121 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2122 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2123 2124 Tokens = annotate("void f() { auto a = b->c(); }"); 2125 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2126 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2127 2128 Tokens = annotate("void f() { auto a = b()->c; }"); 2129 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2130 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2131 2132 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2133 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2134 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2135 2136 Tokens = annotate("void f() FOO(foo->bar);"); 2137 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2138 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2139 2140 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2141 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2142 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2143 2144 auto Style = getLLVMStyle(); 2145 Style.StatementAttributeLikeMacros.push_back("emit"); 2146 Tokens = annotate("emit foo()->bar;", Style); 2147 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2148 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2149 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2150 2151 // Mixed 2152 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2153 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2154 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2155 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2156 } 2157 2158 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2159 auto Tokens = annotate("#define Foo(Bar) \\\n" 2160 " { \\\n" 2161 " #Bar \\\n" 2162 " }"); 2163 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2164 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2165 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2166 2167 Tokens = annotate("#define Foo(Bar) \\\n" 2168 " { #Bar }"); 2169 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2170 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2171 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2172 2173 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2174 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2175 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2176 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2177 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2178 } 2179 2180 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2181 // '__attribute__' has special handling. 2182 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2183 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2184 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2185 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2186 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2187 2188 // Generic macro has no special handling in this location. 2189 Tokens = annotate("A(X) void Foo(void);"); 2190 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2191 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2192 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2193 2194 // Add a custom AttributeMacro. Test that it has the same behavior. 2195 FormatStyle Style = getLLVMStyle(); 2196 Style.AttributeMacros.push_back("A"); 2197 2198 // An "AttributeMacro" gets annotated like '__attribute__'. 2199 Tokens = annotate("A(X) void Foo(void);", Style); 2200 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2201 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2202 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2203 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2204 } 2205 2206 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2207 // '__attribute__' has special handling. 2208 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2209 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2210 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2211 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2212 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2213 2214 // Generic macro has no special handling in this location. 2215 Tokens = annotate("A(X) @interface Foo"); 2216 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2217 // Note: Don't check token-type as a random token in this position is hard to 2218 // reason about. 2219 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2220 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2221 2222 // Add a custom AttributeMacro. Test that it has the same behavior. 2223 FormatStyle Style = getLLVMStyle(); 2224 Style.AttributeMacros.push_back("A"); 2225 2226 // An "AttributeMacro" gets annotated like '__attribute__'. 2227 Tokens = annotate("A(X) @interface Foo", Style); 2228 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2229 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2230 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2231 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2232 } 2233 2234 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2235 // '__attribute__' has special handling. 2236 auto Tokens = annotate("- (id)init __attribute__((X));"); 2237 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2238 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2239 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2240 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2241 2242 // Generic macro has no special handling in this location. 2243 Tokens = annotate("- (id)init A(X);"); 2244 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2245 // Note: Don't check token-type as a random token in this position is hard to 2246 // reason about. 2247 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2248 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2249 2250 // Add a custom AttributeMacro. Test that it has the same behavior. 2251 FormatStyle Style = getLLVMStyle(); 2252 Style.AttributeMacros.push_back("A"); 2253 2254 // An "AttributeMacro" gets annotated like '__attribute__'. 2255 Tokens = annotate("- (id)init A(X);", Style); 2256 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2257 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2258 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2259 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2260 } 2261 2262 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2263 // '__attribute__' has special handling. 2264 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2265 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2266 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2267 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2268 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2269 2270 // Generic macro has no special handling in this location. 2271 Tokens = annotate("@property(weak) id delegate A(X);"); 2272 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2273 // Note: Don't check token-type as a random token in this position is hard to 2274 // reason about. 2275 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2276 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2277 2278 // Add a custom AttributeMacro. Test that it has the same behavior. 2279 FormatStyle Style = getLLVMStyle(); 2280 Style.AttributeMacros.push_back("A"); 2281 2282 // An "AttributeMacro" gets annotated like '__attribute__'. 2283 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2284 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2285 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2286 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2287 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2288 } 2289 2290 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2291 auto Annotate = [this](StringRef Code) { 2292 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2293 }; 2294 // Test that unary operators get labeled as such and that operators like '++' 2295 // don't get split. 2296 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2297 tok::tilde, tok::amp, tok::pipe, 2298 tok::caret, tok::plusplus, tok::minusminus}; 2299 for (auto Kind : Unary) { 2300 auto Tokens = 2301 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2302 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2303 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2304 } 2305 // Operators formed by joining two operators like '^~'. For some of these 2306 // joined operators, we don't have a separate type, so we only test for their 2307 // precedence. 2308 std::pair<prec::Level, std::string> JoinedBinary[] = { 2309 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2310 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2311 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2312 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2313 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2314 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2315 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2316 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2317 {prec::Equality, "!="}, {prec::Equality, "==="}, 2318 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2319 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2320 {prec::ExclusiveOr, "^~"}, 2321 }; 2322 for (auto Operator : JoinedBinary) { 2323 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2324 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2325 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2326 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2327 } 2328 // '~^' and '^~' can be unary as well as binary operators. 2329 auto Tokens = Annotate("x = ~^x;"); 2330 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2331 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2332 Tokens = Annotate("x = ^~x;"); 2333 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2334 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2335 // The unary operators '~&' and '~|' can only be unary operators. The current 2336 // implementation treats each of them as separate unary '~' and '&' or '|' 2337 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2338 // there is a test that there is no space in between. And even if a new line 2339 // is inserted between the '~' and '|', the semantic meaning is the same as 2340 // the joined operator, so the CanBreakBefore property doesn't need to be 2341 // false for the second operator. 2342 Tokens = Annotate("x = ~&x;"); 2343 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2344 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2345 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2346 Tokens = Annotate("x = ~|x;"); 2347 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2348 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2349 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2350 // Test for block label colons. 2351 Tokens = Annotate("begin : x\n" 2352 "end : x"); 2353 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2354 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2355 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2356 // Test that the dimension colon is annotated correctly. 2357 Tokens = Annotate("var [1 : 0] x;"); 2358 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2359 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2360 Tokens = Annotate("extern function [1 : 0] x;"); 2361 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2362 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2363 Tokens = Annotate("module test\n" 2364 " (input wire [7 : 0] a[7 : 0]);\n" 2365 "endmodule"); 2366 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2367 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2368 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2369 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2370 // Test case labels and ternary operators. 2371 Tokens = Annotate("case (x)\n" 2372 " x:\n" 2373 " x;\n" 2374 "endcase"); 2375 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2376 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2377 Tokens = Annotate("case (x)\n" 2378 " x ? x : x:\n" 2379 " x;\n" 2380 "endcase"); 2381 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2382 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2383 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2384 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2385 // Non-blocking assignments. 2386 Tokens = Annotate("a <= b;"); 2387 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2388 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2389 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2390 Tokens = Annotate("if (a <= b) break;"); 2391 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2392 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2393 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2394 Tokens = Annotate("a <= b <= a;"); 2395 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2396 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2397 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2398 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2399 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2400 2401 // Port lists in module instantiation. 2402 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2403 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2404 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2405 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2406 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2407 "instance_2(port_2);"); 2408 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2409 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2410 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2411 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2412 2413 // Condition parentheses. 2414 Tokens = Annotate("assert (x);"); 2415 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2416 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2417 Tokens = Annotate("assert #0 (x);"); 2418 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2419 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2420 Tokens = Annotate("assert final (x);"); 2421 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2422 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2423 Tokens = Annotate("foreach (x[x]) continue;"); 2424 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2425 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2426 Tokens = Annotate("repeat (x[x]) continue;"); 2427 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2428 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2429 Tokens = Annotate("case (x) endcase;"); 2430 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2431 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2432 2433 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2434 // future, please adapt if those tokens get annotated. This test is only here 2435 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2436 Tokens = Annotate("always @(posedge x, posedge y);"); 2437 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2438 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2439 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2440 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2441 2442 // String literals in concatenation. 2443 Tokens = Annotate("x = {\"\"};"); 2444 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2445 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2446 Tokens = Annotate("x = {\"\", \"\"};"); 2447 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2448 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2449 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2450 Tokens = Annotate("x = '{{\"\"}};"); 2451 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2452 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2453 // Cases where the string should not be annotated that type. Fix the 2454 // `TT_Unknown` if needed in the future. 2455 Tokens = Annotate("x = {\"\" == \"\"};"); 2456 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2457 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2458 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2459 Tokens = Annotate("x = {(\"\")};"); 2460 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2461 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2462 Tokens = Annotate("x = '{\"\"};"); 2463 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2464 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2465 } 2466 2467 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2468 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2469 ASSERT_TRUE(Style.isTableGen()); 2470 2471 TestLexer Lexer(Allocator, Buffers, Style); 2472 AdditionalKeywords Keywords(Lexer.IdentTable); 2473 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2474 2475 // Additional keywords representation test. 2476 auto Tokens = Annotate("def foo : Bar<1>;"); 2477 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2478 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2479 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2480 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2481 2482 // Code, the multiline string token. 2483 Tokens = Annotate("[{ code is multiline string }]"); 2484 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2485 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2486 EXPECT_FALSE(Tokens[0]->IsMultiline); 2487 // Case with multiple lines. 2488 Tokens = Annotate("[{ It can break\n" 2489 " across lines and the line breaks\n" 2490 " are retained in \n" 2491 " the string. }]"); 2492 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2493 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2494 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2495 EXPECT_TRUE(Tokens[0]->IsMultiline); 2496 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2497 2498 // Numeric literals. 2499 Tokens = Annotate("1234"); 2500 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2501 Tokens = Annotate("-1"); 2502 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2503 Tokens = Annotate("+1234"); 2504 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2505 Tokens = Annotate("0b0110"); 2506 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2507 Tokens = Annotate("0x1abC"); 2508 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2509 2510 // Identifier tokens. In TableGen, identifiers can begin with a number. 2511 // In ambiguous cases, the lexer tries to lex it as a number. 2512 // Even if the try fails, it does not fall back to identifier lexing and 2513 // regard as an error. 2514 // The ambiguity is not documented. The result of those tests are based on the 2515 // implementation of llvm::TGLexer::LexToken. 2516 // This is invalid syntax of number, but not an identifier. 2517 Tokens = Annotate("0x1234x"); 2518 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2519 Tokens = Annotate("identifier"); 2520 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2521 // Identifier beginning with a number. 2522 Tokens = Annotate("0x"); 2523 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2524 Tokens = Annotate("2dVector"); 2525 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2526 Tokens = Annotate("01234Vector"); 2527 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2528 2529 // Structured statements. 2530 Tokens = Annotate("class Foo {}"); 2531 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2532 Tokens = Annotate("def Def: Foo {}"); 2533 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2534 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2535 Tokens = Annotate("if cond then {} else {}"); 2536 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2537 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2538 Tokens = Annotate("defset Foo Def2 = {}"); 2539 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2540 2541 // Bang Operators. 2542 Tokens = Annotate("!foreach"); 2543 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2544 Tokens = Annotate("!if"); 2545 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2546 Tokens = Annotate("!cond"); 2547 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2548 2549 auto AnnotateValue = [this, &Style](StringRef Code) { 2550 // Values are annotated only in specific context. 2551 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2552 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2553 }; 2554 // Both of bang/cond operators. 2555 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2556 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2557 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2558 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2559 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2560 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2561 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2562 // DAGArg values with operator identifier 2563 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2564 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2565 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2566 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2567 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2568 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2569 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2570 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2571 // List literal 2572 Tokens = AnnotateValue("[1, 2, 3]"); 2573 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2574 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2575 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2576 // Suffixes of values 2577 Tokens = AnnotateValue("valid.field"); 2578 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2579 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2580 // Code 2581 Tokens = AnnotateValue("[{ code is multiline string }]"); 2582 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2583 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2584 2585 // The definition 2586 Tokens = annotate("def Def : Parent<Child> {}", Style); 2587 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2588 // We use inheritance colon and function brace. They are enough. 2589 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2590 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2591 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2592 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2593 2594 // DAGArg breaking options. They use different token types depending on what 2595 // is specified. 2596 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2597 2598 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2599 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2600 // elements to have line break. 2601 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2602 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2603 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2604 EXPECT_TOKEN(Tokens[1], tok::identifier, 2605 TT_TableGenDAGArgOperatorID); // ins 2606 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2607 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2608 2609 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2610 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2611 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2612 EXPECT_TOKEN(Tokens[1], tok::identifier, 2613 TT_TableGenDAGArgOperatorID); // other 2614 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2615 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2616 2617 // For non-identifier operators, breaks after the operator. 2618 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2619 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2620 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2621 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2622 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2623 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2624 2625 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2626 2627 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2628 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2629 // to have line break inside it. 2630 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2631 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2632 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2633 EXPECT_TOKEN(Tokens[1], tok::identifier, 2634 TT_TableGenDAGArgOperatorToBreak); // ins 2635 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2636 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2637 2638 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2639 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2640 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2641 EXPECT_TOKEN(Tokens[1], tok::identifier, 2642 TT_TableGenDAGArgOperatorToBreak); // other 2643 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2644 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2645 2646 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2647 // specified operators. 2648 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2649 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2650 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2651 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2652 EXPECT_TOKEN(Tokens[1], tok::identifier, 2653 TT_TableGenDAGArgOperatorToBreak); // ins 2654 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2655 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2656 2657 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2658 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2659 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2660 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2661 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2662 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2663 2664 // If TableGenBreakingDAGArgOperators is enabled, it uses 2665 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2666 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2667 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2668 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2669 EXPECT_TOKEN(Tokens[1], tok::identifier, 2670 TT_TableGenDAGArgOperatorToBreak); // ins 2671 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2672 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2673 2674 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2675 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2676 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2677 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2678 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2679 } 2680 2681 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2682 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2683 2684 // The TT_Unknown is clearly not binding for the future, please adapt if those 2685 // tokens get annotated. 2686 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2687 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2688 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2689 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2690 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2691 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2692 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2693 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2694 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2695 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2696 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2697 2698 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2699 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2700 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2701 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2702 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2703 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2704 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2705 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2706 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2707 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2708 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2709 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2710 2711 Tokens = annotate("class Class {\n" 2712 " Class() : BaseClass() {\n" 2713 "#if 0\n" 2714 " // comment\n" 2715 "#endif\n" 2716 " }\n" 2717 " Class f();\n" 2718 "}"); 2719 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2720 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2721 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2722 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2723 } 2724 2725 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2726 auto Tokens = annotate("if (x) {}"); 2727 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2728 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2729 Tokens = annotate("if constexpr (x) {}"); 2730 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2731 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2732 Tokens = annotate("if CONSTEXPR (x) {}"); 2733 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2734 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2735 Tokens = annotate("if (x) {} else if (x) {}"); 2736 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2737 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2738 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2739 } 2740 2741 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2742 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2743 2744 auto Tokens = annotate("int? a;", Style); 2745 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2746 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2747 2748 Tokens = annotate("int? a = 1;", Style); 2749 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2750 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2751 2752 Tokens = annotate("int?)", Style); 2753 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2754 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2755 2756 Tokens = annotate("int?>", Style); 2757 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2758 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2759 2760 Tokens = annotate("cond? id : id2", Style); 2761 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2762 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2763 2764 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2765 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2766 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2767 } 2768 2769 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2770 auto Tokens = annotate("{ x: break; }"); 2771 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2772 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2773 2774 Tokens = annotate("{ case x: break; }"); 2775 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2776 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2777 2778 Tokens = annotate("{ x: { break; } }"); 2779 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2780 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2781 2782 Tokens = annotate("{ case x: { break; } }"); 2783 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2784 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2785 2786 Tokens = annotate("#define FOO label:"); 2787 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2788 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2789 2790 Tokens = annotate("#define FOO \\\n" 2791 "label: \\\n" 2792 " break;"); 2793 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2794 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2795 } 2796 2797 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2798 // The closing braces are not annotated. It doesn't seem to cause a problem. 2799 // So we only test for the opening braces. 2800 auto Tokens = annotate("{\n" 2801 " {\n" 2802 " { int a = 0; }\n" 2803 " }\n" 2804 " {}\n" 2805 "}"); 2806 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2807 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2808 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2809 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2810 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2811 } 2812 2813 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2814 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2815 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2816 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2817 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2818 2819 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2820 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2821 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2822 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2823 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2824 2825 Tokens = annotate("SomeStruct {\n" 2826 "#ifdef FOO\n" 2827 " .a = 1,\n" 2828 "#endif\n" 2829 " .b = 2\n" 2830 "};"); 2831 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2832 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2833 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2834 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2835 2836 Tokens = annotate("SomeStruct {\n" 2837 "#if defined FOO\n" 2838 " .a = 1,\n" 2839 "#endif\n" 2840 " .b = 2\n" 2841 "};"); 2842 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2843 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2844 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2845 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2846 2847 Tokens = annotate("Foo foo[] = {[0]{}};"); 2848 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2849 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2850 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2851 } 2852 2853 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2854 auto Annotate = [this](StringRef Code) { 2855 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2856 }; 2857 2858 // Dictionary. 2859 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2860 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2861 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2862 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2863 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2864 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2865 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2866 // Change when we need to annotate these. 2867 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2868 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2869 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2870 } 2871 2872 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2873 auto Tokens = annotate("bool foo __attribute__((unused));"); 2874 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2875 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2876 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2877 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2878 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2879 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2880 2881 Tokens = annotate("bool foo __declspec(dllimport);"); 2882 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2883 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2884 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2885 2886 Tokens = annotate("bool __attribute__((unused)) foo;"); 2887 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2888 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2889 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2890 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2891 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2892 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2893 2894 Tokens = annotate("void __attribute__((x)) Foo();"); 2895 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2896 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2897 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2898 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2899 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2900 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2901 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2902 2903 FormatStyle Style = getLLVMStyle(); 2904 Style.AttributeMacros.push_back("FOO"); 2905 Tokens = annotate("bool foo FOO(unused);", Style); 2906 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2907 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2908 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2909 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2910 } 2911 2912 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2913 auto Tokens = annotate("while (true) {}"); 2914 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2915 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2916 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2917 2918 Tokens = annotate("for (;;) {}"); 2919 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2920 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2921 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2922 2923 Tokens = annotate("do {} while (true);"); 2924 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2925 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2926 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2927 2928 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2929 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2930 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2931 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2932 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2933 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2934 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2935 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2936 2937 Tokens = annotate("switch (foo) {}"); 2938 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2939 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2940 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2941 } 2942 2943 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2944 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2945 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2946 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2947 2948 Tokens = annotate("do ++i; while ( i > 5 );"); 2949 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2950 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2951 } 2952 2953 TEST_F(TokenAnnotatorTest, StartOfName) { 2954 auto Tokens = annotate("#pragma clang diagnostic push"); 2955 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2956 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2957 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2958 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2959 2960 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2961 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2962 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2963 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2964 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2965 2966 Tokens = annotate("#define FOO Foo foo"); 2967 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2968 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2969 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2970 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2971 2972 Tokens = annotate("@interface NSCoder (TestCoder)"); 2973 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2974 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2975 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2976 2977 auto Style = getLLVMStyle(); 2978 Style.StatementAttributeLikeMacros.push_back("emit"); 2979 Tokens = annotate("emit foo = 0;", Style); 2980 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2981 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2982 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 2983 } 2984 2985 TEST_F(TokenAnnotatorTest, BraceKind) { 2986 auto Tokens = annotate("void f() {};"); 2987 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2988 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2989 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2990 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2991 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2992 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2993 2994 Tokens = annotate("class Foo<int> f() {}"); 2995 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2996 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2997 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2998 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2999 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3000 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3001 3002 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3003 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3004 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3005 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3006 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3007 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3008 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3009 3010 Tokens = annotate("void f() override {};"); 3011 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3012 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3013 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3014 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3015 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3016 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3017 3018 Tokens = annotate("void f() noexcept(false) {};"); 3019 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3020 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3021 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3022 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3023 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3024 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3025 3026 Tokens = annotate("auto f() -> void {};"); 3027 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3028 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3029 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3030 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3031 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3032 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3033 3034 Tokens = annotate("void f() { /**/ };"); 3035 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3036 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3037 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3038 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3039 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3040 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3041 3042 Tokens = annotate("void f() { //\n" 3043 "};"); 3044 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3045 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3046 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3047 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3048 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3049 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3050 3051 Tokens = annotate("void f() {\n" 3052 " //\n" 3053 "};"); 3054 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3055 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3056 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3057 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3058 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3059 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3060 3061 Tokens = annotate("struct Foo {\n" 3062 " Foo() {};\n" 3063 " ~Foo() {};\n" 3064 "};"); 3065 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3066 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3067 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3068 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3069 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3070 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3071 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3072 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3073 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3074 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3075 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3076 3077 Tokens = annotate("{\n" 3078 " char *a[] = {\n" 3079 " /* abc */ \"abc\",\n" 3080 "#if FOO\n" 3081 " /* xyz */ \"xyz\",\n" 3082 "#endif\n" 3083 " /* last */ \"last\"};\n" 3084 "}"); 3085 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3086 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3087 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3088 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3089 3090 Tokens = 3091 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3092 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3093 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3094 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3095 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3096 3097 Tokens = annotate("struct {};"); 3098 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3099 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3100 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3101 3102 Tokens = annotate("struct : Base {};"); 3103 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3104 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3105 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3106 3107 Tokens = annotate("struct Foo {};"); 3108 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3109 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3110 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3111 3112 Tokens = annotate("struct ::Foo {};"); 3113 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3114 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3115 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3116 3117 Tokens = annotate("struct NS::Foo {};"); 3118 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3119 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3120 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3121 3122 Tokens = annotate("struct Foo<int> {};"); 3123 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3124 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3125 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3126 3127 Tokens = annotate("struct Foo<int>::Bar {};"); 3128 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3129 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3130 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3131 3132 Tokens = annotate("struct Foo<int> : Base {};"); 3133 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3134 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3135 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3136 3137 Tokens = annotate("struct Foo final {};"); 3138 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3139 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3140 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3141 3142 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3143 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3144 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3145 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3146 3147 Tokens = annotate("struct Foo x{};"); 3148 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3149 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3150 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3151 3152 Tokens = annotate("struct ::Foo x{};"); 3153 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3154 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3155 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3156 3157 Tokens = annotate("struct NS::Foo x{};"); 3158 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3159 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3160 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3161 3162 Tokens = annotate("struct Foo<int> x{};"); 3163 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3164 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3165 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3166 3167 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3168 "#else\n" 3169 "#endif\n" 3170 "class RenderingServer : Object {\n" 3171 "#ifndef DISABLE_DEPRECATED\n" 3172 " enum Features {\n" 3173 " FEATURE_SHADERS,\n" 3174 " FEATURE_MULTITHREADED,\n" 3175 " };\n" 3176 "#endif\n" 3177 "};"); 3178 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3179 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3180 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3181 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3182 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3183 } 3184 3185 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3186 auto Tokens = annotate("auto foo() -> enum En {}"); 3187 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3188 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3189 } 3190 3191 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3192 auto Tokens = annotate("{\n" 3193 " {\n" 3194 " foo();\n" 3195 " }\n" 3196 "}"); 3197 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3198 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3199 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3200 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3201 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3202 3203 Tokens = annotate("void bar() {\n" 3204 " {\n" 3205 " foo();\n" 3206 " }\n" 3207 "}"); 3208 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3209 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3210 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3211 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3212 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3213 } 3214 3215 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3216 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3217 auto Tokens = annotate("i = switch (day) {\n" 3218 " case THURSDAY, SATURDAY -> 8;\n" 3219 " case WEDNESDAY -> 9;\n" 3220 " default -> 1;\n" 3221 "};", 3222 Style); 3223 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3224 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3225 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3226 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3227 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3228 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3229 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3230 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3231 } 3232 3233 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3234 auto Tokens = annotate("a = b and c;"); 3235 ASSERT_EQ(Tokens.size(), 7u); 3236 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3237 3238 Tokens = annotate("a = b and_eq c;"); 3239 ASSERT_EQ(Tokens.size(), 7u); 3240 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3241 3242 Tokens = annotate("a = b bitand c;"); 3243 ASSERT_EQ(Tokens.size(), 7u); 3244 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3245 3246 Tokens = annotate("a = b bitor c;"); 3247 ASSERT_EQ(Tokens.size(), 7u); 3248 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3249 3250 Tokens = annotate("a = b compl c;"); 3251 ASSERT_EQ(Tokens.size(), 7u); 3252 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3253 3254 Tokens = annotate("a = b not c;"); 3255 ASSERT_EQ(Tokens.size(), 7u); 3256 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3257 3258 Tokens = annotate("a = b not_eq c;"); 3259 ASSERT_EQ(Tokens.size(), 7u); 3260 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3261 3262 Tokens = annotate("a = b or c;"); 3263 ASSERT_EQ(Tokens.size(), 7u); 3264 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3265 3266 Tokens = annotate("a = b or_eq c;"); 3267 ASSERT_EQ(Tokens.size(), 7u); 3268 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3269 3270 Tokens = annotate("a = b xor c;"); 3271 ASSERT_EQ(Tokens.size(), 7u); 3272 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3273 3274 Tokens = annotate("a = b xor_eq c;"); 3275 ASSERT_EQ(Tokens.size(), 7u); 3276 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3277 3278 Tokens = annotate("xor = foo;"); 3279 ASSERT_EQ(Tokens.size(), 5u); 3280 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3281 3282 Tokens = annotate("int xor = foo;"); 3283 ASSERT_EQ(Tokens.size(), 6u); 3284 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3285 } 3286 3287 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3288 auto Tokens = 3289 annotate("Foo::Foo(int x, int y) try\n" 3290 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3291 "} catch (...) {\n" 3292 "}"); 3293 ASSERT_EQ(Tokens.size(), 45u); 3294 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3295 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3296 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3297 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3298 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_TrailingReturnArrow); 3299 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3300 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3301 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3302 } 3303 3304 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3305 auto Style = getLLVMStyle(); 3306 Style.TypenameMacros.push_back("STRUCT"); 3307 3308 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3309 ASSERT_EQ(Tokens.size(), 13u); 3310 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3311 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3312 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3313 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3314 } 3315 3316 } // namespace 3317 } // namespace format 3318 } // namespace clang 3319