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, UnderstandsNonTemplateAngleBrackets) { 571 auto Tokens = annotate("return a < b && c > d;"); 572 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 573 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 574 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 575 576 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 577 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 578 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 579 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 580 581 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 582 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 583 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 584 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 585 } 586 587 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 588 auto Tokens = annotate("template <template <typename...> typename X,\n" 589 " template <typename...> class Y,\n" 590 " typename... T>\n" 591 "class A {};"); 592 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 593 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 594 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 595 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 596 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 597 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 598 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 599 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 600 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 601 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 602 } 603 604 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 605 FormatStyle Style = getLLVMStyle(); 606 Style.WhitespaceSensitiveMacros.push_back("FOO"); 607 608 auto Tokens = annotate("FOO(1+2 )", Style); 609 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 610 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 611 612 Tokens = annotate("FOO(a:b:c)", Style); 613 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 614 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 615 } 616 617 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 618 auto Tokens = annotate("delete (void *)p;"); 619 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 620 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 621 622 Tokens = annotate("delete[] (void *)p;"); 623 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 624 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 625 626 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 627 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 628 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 629 630 Tokens = annotate("delete[/*comment*/] (void *)p;"); 631 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 632 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 633 634 Tokens = annotate("delete/*comment*/[] (void *)p;"); 635 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 636 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 637 } 638 639 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 640 auto Tokens = annotate("(void)p;"); 641 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 642 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 643 644 Tokens = annotate("(uint32_t)&&label;"); 645 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 646 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 647 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 648 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 649 650 Tokens = annotate("auto x = (Foo)p;"); 651 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 652 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 653 654 Tokens = annotate("(std::vector<int>)p;"); 655 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 656 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 657 658 Tokens = annotate("return (Foo)p;"); 659 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 660 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 661 662 Tokens = annotate("throw (Foo)p;"); 663 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 664 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 665 666 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 667 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 668 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 669 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 670 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 671 672 Tokens = annotate("#define foo(i) ((i) - bar)"); 673 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 674 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 675 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 676 677 Tokens = annotate("return (Foo) & 10;"); 678 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 679 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 680 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 681 682 Tokens = annotate("return (struct foo){};"); 683 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 684 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 685 686 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 687 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 688 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 689 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 690 691 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 692 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 693 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 694 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 695 696 auto Style = getLLVMStyle(); 697 Style.TypeNames.push_back("Foo"); 698 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 699 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 700 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 701 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 702 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 703 } 704 705 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 706 auto Tokens = annotate("void f() throw(int);"); 707 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 708 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 709 } 710 711 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 712 auto Tokens = annotate("void f() &;"); 713 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 714 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 715 716 Tokens = annotate("void operator=(T) &&;"); 717 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 718 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 719 720 Tokens = annotate("template <typename T> void f() &;"); 721 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 722 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 723 724 Tokens = annotate("template <typename T> void operator=(T) &;"); 725 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 726 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 727 } 728 729 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 730 auto Tokens = annotate("x.operator+()"); 731 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 732 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 733 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 734 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 735 Tokens = annotate("x.operator=()"); 736 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 737 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 738 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 739 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 740 Tokens = annotate("x.operator+=()"); 741 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 742 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 743 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 744 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 745 Tokens = annotate("x.operator,()"); 746 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 747 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 748 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 749 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 750 Tokens = annotate("x.operator()()"); 751 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 752 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 753 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 754 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 755 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 756 Tokens = annotate("x.operator[]()"); 757 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 758 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 759 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 760 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 761 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 762 Tokens = annotate("x.operator\"\"_a()"); 763 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 764 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 765 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 766 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 767 Tokens = annotate("x.operator\"\" _a()"); 768 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 769 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 770 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 771 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 772 Tokens = annotate("x.operator\"\"if()"); 773 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 774 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 775 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 776 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 777 Tokens = annotate("x.operator\"\"s()"); 778 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 779 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 780 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 781 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 782 Tokens = annotate("x.operator\"\" s()"); 783 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 784 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 785 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 786 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 787 788 Tokens = annotate("int operator+(int);"); 789 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 790 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 791 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 792 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 793 Tokens = annotate("auto operator=(T&) {}"); 794 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 795 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 796 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 797 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 798 Tokens = annotate("auto operator()() {}"); 799 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 800 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 801 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 802 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 803 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 804 805 Tokens = annotate("class Foo {\n" 806 " int operator+(a* b);\n" 807 "}"); 808 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 809 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 810 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 811 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 812 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 813 814 Tokens = annotate("class Foo {\n" 815 " int c = operator+(a * b);\n" 816 "}"); 817 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 818 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 819 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 820 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 821 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 822 823 Tokens = annotate("void foo() {\n" 824 " operator+(a * b);\n" 825 "}"); 826 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 827 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 828 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 829 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 830 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 831 832 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 833 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 834 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 835 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 836 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 837 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 838 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 839 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 840 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 841 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 842 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 843 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 844 845 Tokens = annotate("class Foo {\n" 846 " void foo() {\n" 847 " operator+(a * b);\n" 848 " }\n" 849 "}"); 850 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 851 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 852 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 853 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 854 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 855 856 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 857 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 858 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 859 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 860 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 861 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 862 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 863 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 864 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 865 866 Tokens = annotate("decltype(auto) operator()(T &x);"); 867 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 868 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 869 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 870 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 871 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 872 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 873 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 874 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 875 } 876 877 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 878 struct { 879 const char *Text; 880 tok::TokenKind Kind; 881 } Operators[] = {{"+", tok::plus}, 882 {"-", tok::minus}, 883 // FIXME: 884 // {"*", tok::star}, 885 {"/", tok::slash}, 886 {"%", tok::percent}, 887 {"^", tok::caret}, 888 // FIXME: 889 // {"&", tok::amp}, 890 {"|", tok::pipe}, 891 {"~", tok::tilde}, 892 {"!", tok::exclaim}, 893 {"=", tok::equal}, 894 // FIXME: 895 // {"<", tok::less}, 896 {">", tok::greater}, 897 {"+=", tok::plusequal}, 898 {"-=", tok::minusequal}, 899 {"*=", tok::starequal}, 900 {"/=", tok::slashequal}, 901 {"%=", tok::percentequal}, 902 {"^=", tok::caretequal}, 903 {"&=", tok::ampequal}, 904 {"|=", tok::pipeequal}, 905 {"<<", tok::lessless}, 906 {">>", tok::greatergreater}, 907 {">>=", tok::greatergreaterequal}, 908 {"<<=", tok::lesslessequal}, 909 {"==", tok::equalequal}, 910 {"!=", tok::exclaimequal}, 911 {"<=", tok::lessequal}, 912 {">=", tok::greaterequal}, 913 {"<=>", tok::spaceship}, 914 {"&&", tok::ampamp}, 915 {"||", tok::pipepipe}, 916 {"++", tok::plusplus}, 917 {"--", tok::minusminus}, 918 {",", tok::comma}, 919 {"->*", tok::arrowstar}, 920 {"->", tok::arrow}}; 921 922 for (const auto &Operator : Operators) { 923 std::string Input("C<&operator"); 924 Input += Operator.Text; 925 Input += " > a;"; 926 auto Tokens = annotate(std::string(Input)); 927 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 928 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 929 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 930 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 931 } 932 933 auto Tokens = annotate("C<&operator< <X>> lt;"); 934 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 935 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 936 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 937 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 938 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 939 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 940 } 941 942 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 943 auto Tokens = annotate("template <typename T>\n" 944 "concept C = (Foo && Bar) && (Bar && Baz);"); 945 946 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 947 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 948 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 949 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 950 951 Tokens = annotate("template <typename T>\n" 952 "concept C = Foo && !Bar;"); 953 954 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 955 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 956 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 957 958 Tokens = annotate("template <typename T>\n" 959 "concept C = requires(T t) {\n" 960 " { t.foo() };\n" 961 "} && Bar<T> && Baz<T>;"); 962 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 963 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 964 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 965 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 966 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 967 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 968 969 Tokens = annotate("template<typename T>\n" 970 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 971 "struct Foo;"); 972 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 973 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 974 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 975 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 976 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 977 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 978 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 979 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 980 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 981 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 982 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 983 984 Tokens = 985 annotate("template<typename T>\n" 986 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 987 "struct Foo;"); 988 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 989 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 990 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 991 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 992 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 993 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 994 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 995 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 996 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 997 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 998 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 999 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1000 1001 Tokens = annotate("template <typename T>\n" 1002 "void foo(T) noexcept requires Bar<T>;"); 1003 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1004 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1005 1006 Tokens = annotate("template <typename T>\n" 1007 "requires Bar<T> || Baz<T>\n" 1008 "auto foo(T) -> int;"); 1009 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1010 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1011 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1012 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1013 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1014 1015 Tokens = annotate("template <typename T>\n" 1016 "requires Bar<T>\n" 1017 "bool foo(T) { return false; }"); 1018 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1019 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1020 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1021 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1022 1023 Tokens = annotate("template <typename T>\n" 1024 "requires Bar<T>\n" 1025 "decltype(auto) foo(T) { return false; }"); 1026 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1027 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1028 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1029 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1030 1031 Tokens = annotate("template <typename T>\n" 1032 "struct S {\n" 1033 " void foo() const requires Bar<T>;\n" 1034 " void bar() const & requires Baz<T>;\n" 1035 " void bar() && requires Baz2<T>;\n" 1036 " void baz() const & noexcept requires Baz<T>;\n" 1037 " void baz() && noexcept requires Baz2<T>;\n" 1038 "};\n" 1039 "\n" 1040 "void S::bar() const & requires Baz<T> { }"); 1041 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1042 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1043 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1044 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1045 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1046 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1047 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1048 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1049 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1050 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1051 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1052 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1053 1054 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1055 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1056 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1057 1058 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1059 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1060 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1061 1062 Tokens = 1063 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1064 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1065 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1066 1067 Tokens = annotate("void Class::member() && requires(typename " 1068 "Namespace::Outer<T>::Inner::Constant) {}"); 1069 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1070 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1071 1072 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1073 " template<class T>\n" 1074 " requires requires { number_zero_v<T>; }\n" 1075 " [[nodiscard]] constexpr operator T() const { " 1076 "return number_zero_v<T>; }\n" 1077 "};"); 1078 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1079 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1080 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1081 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1082 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1083 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1084 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1085 1086 Tokens = 1087 annotate("template <class A, class B> concept C =" 1088 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1089 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1090 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1091 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1092 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1093 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1094 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1095 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1096 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1097 1098 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1099 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1100 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1101 1102 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1103 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1104 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1105 1106 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1107 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1108 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1109 1110 Tokens = 1111 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1112 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1113 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1114 1115 Tokens = 1116 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1117 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1118 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1119 1120 Tokens = 1121 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1122 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1123 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1124 1125 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1126 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1127 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1128 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1129 1130 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1131 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1132 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1133 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1134 1135 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1136 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1137 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1138 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1139 1140 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1141 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1142 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1143 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1144 1145 Tokens = annotate("void f() & requires(true) {}"); 1146 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1147 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1148 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1149 1150 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1151 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1152 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1153 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1154 1155 Tokens = annotate("template <typename T>\n" 1156 "concept C = (!Foo<T>) && Bar;"); 1157 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1158 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1159 1160 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1161 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1162 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1163 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1164 1165 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1166 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1167 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1168 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1169 1170 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1171 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1172 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1173 1174 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1175 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1176 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1177 1178 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1179 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1180 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1181 } 1182 1183 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1184 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1185 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1186 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1187 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1188 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1189 1190 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1191 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1192 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1193 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1194 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1195 1196 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1197 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1198 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1199 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1200 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1201 1202 Tokens = annotate("foo(requires(const T t) {});"); 1203 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1204 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1205 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1206 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1207 1208 Tokens = annotate("foo(requires(const int t) {});"); 1209 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1210 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1211 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1212 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1213 1214 Tokens = annotate("foo(requires(const T t) {});"); 1215 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1216 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1217 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1218 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1219 1220 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1221 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1222 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1223 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1224 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1225 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1226 1227 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1228 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1229 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1230 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1231 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1232 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1233 1234 Tokens = annotate("foo(requires(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[5], tok::amp, TT_PointerOrReference); 1239 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1240 1241 Tokens = annotate("foo(requires(T&& t) {});"); 1242 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1243 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1244 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1245 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1246 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1247 1248 Tokens = annotate("bool foo = requires(T& t) {};"); 1249 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1250 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1251 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1252 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1253 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1254 1255 Tokens = annotate("bool foo = requires(T&& t) {};"); 1256 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1257 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1258 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1259 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1260 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1261 1262 Tokens = 1263 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1264 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1265 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1266 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1267 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1268 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1269 1270 Tokens = annotate("template <typename T>\n" 1271 "concept C = requires(T T) {\n" 1272 " requires Bar<T> && Foo<T>;\n" 1273 "};"); 1274 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1275 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1276 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1277 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1278 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1279 TT_RequiresClauseInARequiresExpression); 1280 1281 Tokens = annotate("template <typename T>\n" 1282 "concept C = requires(T T) {\n" 1283 " { t.func() } -> std::same_as<int>;" 1284 " requires Bar<T> && Foo<T>;\n" 1285 "};"); 1286 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1287 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1288 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1289 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1290 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1291 TT_RequiresClauseInARequiresExpression); 1292 1293 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1294 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1295 "requires true; };"); 1296 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1297 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1298 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1299 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1300 1301 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1302 " { c.foo(); }\n" 1303 "};"); 1304 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1305 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1306 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1307 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1308 } 1309 1310 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1311 // Everything after #pragma region should be ImplicitStringLiteral 1312 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1313 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1314 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1315 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1316 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1317 1318 // Make sure it's annotated correctly inside a function as well 1319 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1320 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1321 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1322 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1323 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1324 } 1325 1326 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1327 const char *BaseCode = nullptr; 1328 const char *ConstrainedCode = nullptr; 1329 auto BaseTokenCount = 0u; 1330 auto RequiresTokenCount = 0u; 1331 auto PrefixTokenCount = 0u; 1332 1333 auto TestRequires = [&](int Line) { 1334 const auto BaseTokens = annotate(BaseCode); 1335 const auto ConstrainedTokens = annotate(ConstrainedCode); 1336 1337 #define LINE " (Line " << Line << ')' 1338 1339 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1340 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1341 << LINE; 1342 1343 for (auto I = 0u; I < BaseTokenCount; ++I) { 1344 EXPECT_EQ( 1345 *BaseTokens[I], 1346 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1347 << I << LINE; 1348 } 1349 1350 #undef LINE 1351 }; 1352 1353 BaseCode = "template<typename T>\n" 1354 "T Pi = 3.14;"; 1355 ConstrainedCode = "template<typename T>\n" 1356 " requires Foo<T>\n" 1357 "T Pi = 3.14;"; 1358 BaseTokenCount = 11; 1359 RequiresTokenCount = 5; 1360 PrefixTokenCount = 5; 1361 TestRequires(__LINE__); 1362 1363 BaseCode = "template<typename T>\n" 1364 "struct Bar;"; 1365 ConstrainedCode = "template<typename T>\n" 1366 " requires Foo<T>\n" 1367 "struct Bar;"; 1368 BaseTokenCount = 9; 1369 TestRequires(__LINE__); 1370 1371 BaseCode = "template<typename T>\n" 1372 "struct Bar {\n" 1373 " T foo();\n" 1374 " T bar();\n" 1375 "};"; 1376 ConstrainedCode = "template<typename T>\n" 1377 " requires Foo<T>\n" 1378 "struct Bar {\n" 1379 " T foo();\n" 1380 " T bar();\n" 1381 "};"; 1382 BaseTokenCount = 21; 1383 TestRequires(__LINE__); 1384 1385 BaseCode = "template<typename T>\n" 1386 "Bar(T) -> Bar<T>;"; 1387 ConstrainedCode = "template<typename T>\n" 1388 " requires Foo<T>\n" 1389 "Bar(T) -> Bar<T>;"; 1390 BaseTokenCount = 16; 1391 TestRequires(__LINE__); 1392 1393 BaseCode = "template<typename T>\n" 1394 "T foo();"; 1395 ConstrainedCode = "template<typename T>\n" 1396 " requires Foo<T>\n" 1397 "T foo();"; 1398 BaseTokenCount = 11; 1399 TestRequires(__LINE__); 1400 1401 BaseCode = "template<typename T>\n" 1402 "T foo() {\n" 1403 " auto bar = baz();\n" 1404 " return bar + T{};\n" 1405 "}"; 1406 ConstrainedCode = "template<typename T>\n" 1407 " requires Foo<T>\n" 1408 "T foo() {\n" 1409 " auto bar = baz();\n" 1410 " return bar + T{};\n" 1411 "}"; 1412 BaseTokenCount = 26; 1413 TestRequires(__LINE__); 1414 1415 BaseCode = "template<typename T>\n" 1416 "T foo();"; 1417 ConstrainedCode = "template<typename T>\n" 1418 "T foo() requires Foo<T>;"; 1419 BaseTokenCount = 11; 1420 PrefixTokenCount = 9; 1421 TestRequires(__LINE__); 1422 1423 BaseCode = "template<typename T>\n" 1424 "T foo() {\n" 1425 " auto bar = baz();\n" 1426 " return bar + T{};\n" 1427 "}"; 1428 ConstrainedCode = "template<typename T>\n" 1429 "T foo() requires Foo<T> {\n" 1430 " auto bar = baz();\n" 1431 " return bar + T{};\n" 1432 "}"; 1433 BaseTokenCount = 26; 1434 TestRequires(__LINE__); 1435 1436 BaseCode = "template<typename T>\n" 1437 "T foo();"; 1438 ConstrainedCode = "template<typename T>\n" 1439 " requires(Foo<T>)\n" 1440 "T foo();"; 1441 BaseTokenCount = 11; 1442 RequiresTokenCount = 7; 1443 PrefixTokenCount = 5; 1444 TestRequires(__LINE__); 1445 1446 BaseCode = "template<typename T>\n" 1447 "Bar(T) -> Bar<typename T::I>;"; 1448 ConstrainedCode = "template<typename T>\n" 1449 " requires requires(T &&t) {\n" 1450 " typename T::I;\n" 1451 " }\n" 1452 "Bar(T) -> Bar<typename T::I>;"; 1453 BaseTokenCount = 19; 1454 RequiresTokenCount = 14; 1455 PrefixTokenCount = 5; 1456 TestRequires(__LINE__); 1457 1458 BaseCode = "struct [[nodiscard]] zero_t {\n" 1459 " template<class T>\n" 1460 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1461 "};"; 1462 ConstrainedCode = 1463 "struct [[nodiscard]] zero_t {\n" 1464 " template<class T>\n" 1465 " requires requires { v<T>; }\n" 1466 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1467 "};"; 1468 BaseTokenCount = 35; 1469 RequiresTokenCount = 9; 1470 PrefixTokenCount = 13; 1471 TestRequires(__LINE__); 1472 1473 BaseCode = "constexpr Foo(Foo const &other)\n" 1474 " : value{other.value} {\n" 1475 " do_magic();\n" 1476 " do_more_magic();\n" 1477 "}"; 1478 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1479 " requires std::is_copy_constructible<T>\n" 1480 " : value{other.value} {\n" 1481 " do_magic();\n" 1482 " do_more_magic();\n" 1483 "}"; 1484 BaseTokenCount = 26; 1485 RequiresTokenCount = 7; 1486 PrefixTokenCount = 8; 1487 TestRequires(__LINE__); 1488 1489 BaseCode = "constexpr Foo(Foo const &other)\n" 1490 " : value{other.value} {\n" 1491 " do_magic();\n" 1492 " do_more_magic();\n" 1493 "}"; 1494 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1495 " requires (std::is_copy_constructible<T>)\n" 1496 " : value{other.value} {\n" 1497 " do_magic();\n" 1498 " do_more_magic();\n" 1499 "}"; 1500 RequiresTokenCount = 9; 1501 TestRequires(__LINE__); 1502 1503 BaseCode = "template<typename T>\n" 1504 "ANNOTATE(\"S\"\n" 1505 " \"S\")\n" 1506 "void foo();"; 1507 ConstrainedCode = "template<typename T>\n" 1508 " requires(true)\n" 1509 "ANNOTATE(\"S\"\n" 1510 " \"S\")\n" 1511 "void foo();"; 1512 BaseTokenCount = 16; 1513 RequiresTokenCount = 4; 1514 PrefixTokenCount = 5; 1515 TestRequires(__LINE__); 1516 } 1517 1518 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1519 auto Tokens = annotate("__asm{\n" 1520 "\"a\":\n" 1521 ": x\n" 1522 ":};"); 1523 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1524 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1525 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1526 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1527 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1528 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1529 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1530 1531 Tokens = annotate("__asm(\n" 1532 "\"a\":\n" 1533 ": x\n" 1534 ":);"); 1535 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1536 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1537 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1538 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1539 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1540 1541 Tokens = annotate("asm volatile (\n" 1542 "\"a_label:\"\n" 1543 ":\n" 1544 ": x\n" 1545 ":);"); 1546 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1547 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1548 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1549 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1550 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1551 1552 Tokens = annotate("__asm__(\n" 1553 "\"a_label:\"\n" 1554 ": x\n" 1555 ":\n" 1556 ": y);"); 1557 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1558 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1559 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1560 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1561 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1562 1563 Tokens = annotate("__asm volatile (\n" 1564 "\"a_label:\"\n" 1565 "\"a b c(%%x)\"\n" 1566 ":\n" 1567 ": x\n" 1568 ":);"); 1569 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1570 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1571 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1572 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1573 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1574 1575 Tokens = annotate("asm(\n" 1576 "\"insn\"\n" 1577 ": \"=r\" (var1), \"=&r\" (value)\n" 1578 ":\n" 1579 ": \"memory\");"); 1580 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1581 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1582 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1583 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1584 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1585 1586 Tokens = annotate("__asm__ volatile (\n" 1587 "\"ldr r1, [r0, %%[sym]]\"\n" 1588 ":\n" 1589 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1590 ");"); 1591 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1592 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1593 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1594 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1595 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1596 } 1597 1598 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1599 auto Tokens = annotate("int (^)() = ^ ()\n" 1600 " external_source_symbol() { //\n" 1601 " return 1;\n" 1602 "};"); 1603 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1604 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1605 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1606 1607 Tokens = annotate("int *p = ^int*(){ //\n" 1608 " return nullptr;\n" 1609 "}();"); 1610 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1611 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1612 } 1613 1614 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1615 auto Tokens = annotate("void f() {\n" 1616 " //\n" 1617 " BOOL a = [b.c n] > 1;\n" 1618 "}"); 1619 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1620 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1621 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1622 } 1623 1624 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1625 auto Tokens = annotate("[]() constexpr {}"); 1626 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1627 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1628 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1629 1630 Tokens = annotate("[]() consteval {}"); 1631 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1632 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1633 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1634 1635 Tokens = annotate("[]() mutable {}"); 1636 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1637 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1638 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1639 1640 Tokens = annotate("[]() static {}"); 1641 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1642 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1643 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1644 1645 Tokens = annotate("[]() -> auto {}"); 1646 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1647 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1648 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1649 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1650 1651 Tokens = annotate("[]() -> auto & {}"); 1652 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1653 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1654 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1655 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1656 1657 Tokens = annotate("[]() -> auto * {}"); 1658 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1659 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1660 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1661 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1662 1663 Tokens = annotate("[] {}"); 1664 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1665 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1666 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1667 1668 Tokens = annotate("[] noexcept {}"); 1669 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1670 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1671 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1672 1673 Tokens = annotate("[] -> auto {}"); 1674 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1675 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1676 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1677 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1678 1679 Tokens = annotate("[] -> struct S { return {}; }"); 1680 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1681 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1682 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1683 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1684 1685 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1686 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1687 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1688 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1689 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1690 1691 Tokens = annotate("[] <typename T> () {}"); 1692 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1693 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1694 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1695 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1696 1697 Tokens = annotate("[] <typename T> {}"); 1698 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1699 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1700 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1701 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1702 1703 Tokens = annotate("[] <typename... T> () {}"); 1704 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1705 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1706 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1707 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1708 1709 Tokens = annotate("[] <typename... T> {}"); 1710 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1711 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1712 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1713 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1714 1715 Tokens = annotate("[] <int... T> () {}"); 1716 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1717 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1718 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1719 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1720 1721 Tokens = annotate("[] <int... T> {}"); 1722 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1723 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1724 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1725 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1726 1727 Tokens = annotate("[] <Foo... T> () {}"); 1728 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1729 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1730 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1731 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1732 1733 Tokens = annotate("[] <Foo... T> {}"); 1734 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1735 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1736 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1737 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1738 1739 // Lambdas with a requires-clause 1740 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1741 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1742 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1743 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1744 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1745 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1746 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1747 1748 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1749 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1750 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1751 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1752 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1753 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1754 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1755 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1756 1757 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1758 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1759 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1760 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1761 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1762 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1763 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1764 1765 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1766 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1767 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1768 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1769 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1770 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1771 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1772 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1773 1774 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1775 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1776 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1777 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1778 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1779 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1780 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1781 1782 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1783 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1784 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1785 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1786 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1787 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1788 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1789 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1790 1791 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T 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::kw_requires, TT_RequiresClause); 1796 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1797 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1798 1799 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1800 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1801 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1802 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1803 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1804 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1805 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1806 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1807 1808 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1809 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1810 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1811 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1812 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1813 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1814 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1815 1816 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1817 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1818 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1819 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1820 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1821 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1822 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1823 1824 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1825 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1826 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1827 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1828 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1829 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1830 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1831 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1832 1833 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1834 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1835 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1836 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1837 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1838 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1839 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1840 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1841 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1842 1843 Tokens = annotate("[] <typename T = int> (T t) {}"); 1844 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1845 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1846 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1847 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1848 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1849 1850 Tokens = annotate("[] <int I = 0> (T t) {}"); 1851 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1852 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1853 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1854 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1855 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1856 1857 Tokens = annotate("[] <bool b = false> (T t) {}"); 1858 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1859 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1860 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1861 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1862 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1863 1864 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1865 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1866 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1867 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1868 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1869 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1870 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1871 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1872 1873 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1874 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1875 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1876 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1877 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1878 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1879 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1880 } 1881 1882 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1883 auto Tokens = annotate("template <typename T>\n" 1884 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1885 "string OldFunction(const string ¶meter) {}"); 1886 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1887 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1888 1889 Tokens = annotate("template <typename T>\n" 1890 "A(T) noexcept;"); 1891 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1892 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1893 } 1894 1895 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1896 auto Tokens = annotate("void f [[noreturn]] ();"); 1897 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1898 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1899 1900 Tokens = annotate("void f [[noreturn]] () {}"); 1901 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1902 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1903 1904 Tokens = annotate("#define FOO Foo::\n" 1905 "FOO Foo();"); 1906 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1907 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1908 1909 Tokens = annotate("struct Foo {\n" 1910 " Bar (*func)();\n" 1911 "};"); 1912 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1913 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1914 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1915 1916 Tokens = annotate("void instanceof();"); 1917 ASSERT_EQ(Tokens.size(), 6u); 1918 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1919 1920 Tokens = annotate("int iso_time(time_t);"); 1921 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1922 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1923 1924 auto Style = getLLVMStyle(); 1925 Style.TypeNames.push_back("MyType"); 1926 Tokens = annotate("int iso_time(MyType);", Style); 1927 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1928 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1929 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1930 } 1931 1932 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1933 auto Tokens = annotate("class Foo { public: Foo(); };"); 1934 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1935 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1936 1937 Tokens = annotate("class Foo { public: ~Foo(); };"); 1938 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1939 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1940 1941 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1942 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1943 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1944 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1945 1946 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1947 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1948 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1949 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1950 1951 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1952 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1953 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1954 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1955 1956 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1957 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1958 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1959 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1960 1961 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1962 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1963 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1964 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1965 1966 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1967 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1968 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1969 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1970 1971 Tokens = annotate("Foo::Foo() {}"); 1972 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1973 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1974 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1975 1976 Tokens = annotate("Foo::~Foo() {}"); 1977 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1978 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1979 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1980 1981 Tokens = annotate("struct Test {\n" 1982 " Test()\n" 1983 " : l([] {\n" 1984 " Short::foo();\n" 1985 " }) {}\n" 1986 "};"); 1987 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1988 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1989 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1990 } 1991 1992 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1993 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1994 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1995 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1996 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1997 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1998 } 1999 2000 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2001 auto Tokens = annotate("auto f() -> int;"); 2002 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2003 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2004 2005 Tokens = annotate("auto operator->() -> int;"); 2006 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2007 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2008 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2009 2010 Tokens = annotate("auto operator++(int) -> int;"); 2011 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2012 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2013 2014 Tokens = annotate("auto operator=() -> int;"); 2015 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2016 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2017 2018 Tokens = annotate("auto operator=(int) -> int;"); 2019 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2020 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2021 2022 Tokens = annotate("auto foo() -> auto { return Val; }"); 2023 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2024 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2025 2026 Tokens = annotate("struct S { auto bar() const -> int; };"); 2027 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2028 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2029 2030 // Not trailing return arrows 2031 Tokens = annotate("auto a = b->c;"); 2032 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2033 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2034 2035 Tokens = annotate("auto a = (b)->c;"); 2036 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2037 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2038 2039 Tokens = annotate("auto a = b()->c;"); 2040 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2041 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2042 2043 Tokens = annotate("auto a = b->c();"); 2044 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2045 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2046 2047 Tokens = annotate("decltype(auto) a = b()->c;"); 2048 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2049 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2050 2051 Tokens = annotate("void f() { auto a = b->c(); }"); 2052 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2053 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2054 2055 Tokens = annotate("void f() { auto a = b()->c; }"); 2056 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2057 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2058 2059 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2060 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2061 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2062 2063 Tokens = annotate("void f() FOO(foo->bar);"); 2064 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2065 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2066 2067 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2068 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2069 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2070 2071 // Mixed 2072 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2073 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2074 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2075 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2076 } 2077 2078 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2079 auto Tokens = annotate("#define Foo(Bar) \\\n" 2080 " { \\\n" 2081 " #Bar \\\n" 2082 " }"); 2083 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2084 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2085 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2086 2087 Tokens = annotate("#define Foo(Bar) \\\n" 2088 " { #Bar }"); 2089 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2090 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2091 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2092 2093 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2094 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2095 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2096 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2097 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2098 } 2099 2100 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2101 // '__attribute__' has special handling. 2102 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2103 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2104 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2105 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2106 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2107 2108 // Generic macro has no special handling in this location. 2109 Tokens = annotate("A(X) void Foo(void);"); 2110 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2111 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2112 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2113 2114 // Add a custom AttributeMacro. Test that it has the same behavior. 2115 FormatStyle Style = getLLVMStyle(); 2116 Style.AttributeMacros.push_back("A"); 2117 2118 // An "AttributeMacro" gets annotated like '__attribute__'. 2119 Tokens = annotate("A(X) void Foo(void);", Style); 2120 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2121 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2122 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2123 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2124 } 2125 2126 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2127 // '__attribute__' has special handling. 2128 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2129 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2130 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2131 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2132 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2133 2134 // Generic macro has no special handling in this location. 2135 Tokens = annotate("A(X) @interface Foo"); 2136 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2137 // Note: Don't check token-type as a random token in this position is hard to 2138 // reason about. 2139 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2140 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2141 2142 // Add a custom AttributeMacro. Test that it has the same behavior. 2143 FormatStyle Style = getLLVMStyle(); 2144 Style.AttributeMacros.push_back("A"); 2145 2146 // An "AttributeMacro" gets annotated like '__attribute__'. 2147 Tokens = annotate("A(X) @interface Foo", Style); 2148 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2149 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2150 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2151 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2152 } 2153 2154 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2155 // '__attribute__' has special handling. 2156 auto Tokens = annotate("- (id)init __attribute__((X));"); 2157 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2158 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2159 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2160 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2161 2162 // Generic macro has no special handling in this location. 2163 Tokens = annotate("- (id)init A(X);"); 2164 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2165 // Note: Don't check token-type as a random token in this position is hard to 2166 // reason about. 2167 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2168 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2169 2170 // Add a custom AttributeMacro. Test that it has the same behavior. 2171 FormatStyle Style = getLLVMStyle(); 2172 Style.AttributeMacros.push_back("A"); 2173 2174 // An "AttributeMacro" gets annotated like '__attribute__'. 2175 Tokens = annotate("- (id)init A(X);", Style); 2176 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2177 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2178 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2179 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2180 } 2181 2182 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2183 // '__attribute__' has special handling. 2184 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2185 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2186 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2187 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2188 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2189 2190 // Generic macro has no special handling in this location. 2191 Tokens = annotate("@property(weak) id delegate A(X);"); 2192 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2193 // Note: Don't check token-type as a random token in this position is hard to 2194 // reason about. 2195 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2196 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2197 2198 // Add a custom AttributeMacro. Test that it has the same behavior. 2199 FormatStyle Style = getLLVMStyle(); 2200 Style.AttributeMacros.push_back("A"); 2201 2202 // An "AttributeMacro" gets annotated like '__attribute__'. 2203 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2204 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2205 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2206 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2207 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2208 } 2209 2210 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2211 auto Annotate = [this](StringRef Code) { 2212 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2213 }; 2214 // Test that unary operators get labeled as such and that operators like '++' 2215 // don't get split. 2216 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2217 tok::tilde, tok::amp, tok::pipe, 2218 tok::caret, tok::plusplus, tok::minusminus}; 2219 for (auto Kind : Unary) { 2220 auto Tokens = 2221 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2222 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2223 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2224 } 2225 // Operators formed by joining two operators like '^~'. For some of these 2226 // joined operators, we don't have a separate type, so we only test for their 2227 // precedence. 2228 std::pair<prec::Level, std::string> JoinedBinary[] = { 2229 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2230 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2231 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2232 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2233 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2234 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2235 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2236 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2237 {prec::Equality, "!="}, {prec::Equality, "==="}, 2238 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2239 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2240 {prec::ExclusiveOr, "^~"}, 2241 }; 2242 for (auto Operator : JoinedBinary) { 2243 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2244 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2245 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2246 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2247 } 2248 // '~^' and '^~' can be unary as well as binary operators. 2249 auto Tokens = Annotate("x = ~^x;"); 2250 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2251 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2252 Tokens = Annotate("x = ^~x;"); 2253 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2254 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2255 // The unary operators '~&' and '~|' can only be unary operators. The current 2256 // implementation treats each of them as separate unary '~' and '&' or '|' 2257 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2258 // there is a test that there is no space in between. And even if a new line 2259 // is inserted between the '~' and '|', the semantic meaning is the same as 2260 // the joined operator, so the CanBreakBefore property doesn't need to be 2261 // false for the second operator. 2262 Tokens = Annotate("x = ~&x;"); 2263 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2264 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2265 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2266 Tokens = Annotate("x = ~|x;"); 2267 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2268 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2269 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2270 // Test for block label colons. 2271 Tokens = Annotate("begin : x\n" 2272 "end : x"); 2273 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2274 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2275 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2276 // Test that the dimension colon is annotated correctly. 2277 Tokens = Annotate("var [1 : 0] x;"); 2278 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2279 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2280 Tokens = Annotate("extern function [1 : 0] x;"); 2281 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2282 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2283 Tokens = Annotate("module test\n" 2284 " (input wire [7 : 0] a[7 : 0]);\n" 2285 "endmodule"); 2286 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2287 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2288 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2289 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2290 // Test case labels and ternary operators. 2291 Tokens = Annotate("case (x)\n" 2292 " x:\n" 2293 " x;\n" 2294 "endcase"); 2295 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2296 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2297 Tokens = Annotate("case (x)\n" 2298 " x ? x : x:\n" 2299 " x;\n" 2300 "endcase"); 2301 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2302 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2303 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2304 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2305 // Non-blocking assignments. 2306 Tokens = Annotate("a <= b;"); 2307 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2308 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2309 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2310 Tokens = Annotate("if (a <= b) break;"); 2311 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2312 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2313 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2314 Tokens = Annotate("a <= b <= a;"); 2315 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2316 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2317 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2318 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2319 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2320 2321 // Port lists in module instantiation. 2322 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2323 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2324 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2325 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2326 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2327 "instance_2(port_2);"); 2328 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2329 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2330 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2331 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2332 2333 // Condition parentheses. 2334 Tokens = Annotate("assert (x);"); 2335 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2336 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2337 Tokens = Annotate("assert #0 (x);"); 2338 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2339 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2340 Tokens = Annotate("assert final (x);"); 2341 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2342 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2343 Tokens = Annotate("foreach (x[x]) continue;"); 2344 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2345 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2346 Tokens = Annotate("repeat (x[x]) continue;"); 2347 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2348 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2349 Tokens = Annotate("case (x) endcase;"); 2350 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2351 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2352 2353 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2354 // future, please adapt if those tokens get annotated. This test is only here 2355 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2356 Tokens = Annotate("always @(posedge x, posedge y);"); 2357 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2358 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2359 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2360 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2361 2362 // String literals in concatenation. 2363 Tokens = Annotate("x = {\"\"};"); 2364 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2365 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2366 Tokens = Annotate("x = {\"\", \"\"};"); 2367 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2368 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2369 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2370 Tokens = Annotate("x = '{{\"\"}};"); 2371 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2372 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2373 // Cases where the string should not be annotated that type. Fix the 2374 // `TT_Unknown` if needed in the future. 2375 Tokens = Annotate("x = {\"\" == \"\"};"); 2376 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2377 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2378 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2379 Tokens = Annotate("x = {(\"\")};"); 2380 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2381 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2382 Tokens = Annotate("x = '{\"\"};"); 2383 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2384 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2385 } 2386 2387 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2388 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2389 ASSERT_TRUE(Style.isTableGen()); 2390 2391 TestLexer Lexer(Allocator, Buffers, Style); 2392 AdditionalKeywords Keywords(Lexer.IdentTable); 2393 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2394 2395 // Additional keywords representation test. 2396 auto Tokens = Annotate("def foo : Bar<1>;"); 2397 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2398 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2399 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2400 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2401 2402 // Code, the multiline string token. 2403 Tokens = Annotate("[{ code is multiline string }]"); 2404 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2405 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2406 EXPECT_FALSE(Tokens[0]->IsMultiline); 2407 // Case with multiple lines. 2408 Tokens = Annotate("[{ It can break\n" 2409 " across lines and the line breaks\n" 2410 " are retained in \n" 2411 " the string. }]"); 2412 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2413 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2414 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2415 EXPECT_TRUE(Tokens[0]->IsMultiline); 2416 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2417 2418 // Numeric literals. 2419 Tokens = Annotate("1234"); 2420 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2421 Tokens = Annotate("-1"); 2422 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2423 Tokens = Annotate("+1234"); 2424 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2425 Tokens = Annotate("0b0110"); 2426 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2427 Tokens = Annotate("0x1abC"); 2428 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2429 2430 // Identifier tokens. In TableGen, identifiers can begin with a number. 2431 // In ambiguous cases, the lexer tries to lex it as a number. 2432 // Even if the try fails, it does not fall back to identifier lexing and 2433 // regard as an error. 2434 // The ambiguity is not documented. The result of those tests are based on the 2435 // implementation of llvm::TGLexer::LexToken. 2436 // This is invalid syntax of number, but not an identifier. 2437 Tokens = Annotate("0x1234x"); 2438 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2439 Tokens = Annotate("identifier"); 2440 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2441 // Identifier beginning with a number. 2442 Tokens = Annotate("0x"); 2443 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2444 Tokens = Annotate("2dVector"); 2445 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2446 Tokens = Annotate("01234Vector"); 2447 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2448 2449 // Structured statements. 2450 Tokens = Annotate("class Foo {}"); 2451 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2452 Tokens = Annotate("def Def: Foo {}"); 2453 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2454 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2455 Tokens = Annotate("if cond then {} else {}"); 2456 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2457 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2458 Tokens = Annotate("defset Foo Def2 = {}"); 2459 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2460 2461 // Bang Operators. 2462 Tokens = Annotate("!foreach"); 2463 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2464 Tokens = Annotate("!if"); 2465 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2466 Tokens = Annotate("!cond"); 2467 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2468 2469 auto AnnotateValue = [this, &Style](StringRef Code) { 2470 // Values are annotated only in specific context. 2471 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2472 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2473 }; 2474 // Both of bang/cond operators. 2475 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2476 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2477 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2478 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2479 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2480 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2481 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2482 // DAGArg values with operator identifier 2483 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2484 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2485 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2486 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2487 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2488 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2489 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2490 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2491 // List literal 2492 Tokens = AnnotateValue("[1, 2, 3]"); 2493 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2494 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2495 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2496 // Suffixes of values 2497 Tokens = AnnotateValue("valid.field"); 2498 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2499 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2500 // Code 2501 Tokens = AnnotateValue("[{ code is multiline string }]"); 2502 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2503 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2504 2505 // The definition 2506 Tokens = annotate("def Def : Parent<Child> {}", Style); 2507 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2508 // We use inheritance colon and function brace. They are enough. 2509 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2510 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2511 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2512 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2513 2514 // DAGArg breaking options. They use different token types depending on what 2515 // is specified. 2516 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2517 2518 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2519 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2520 // elements to have line break. 2521 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2522 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2523 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2524 EXPECT_TOKEN(Tokens[1], tok::identifier, 2525 TT_TableGenDAGArgOperatorID); // ins 2526 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2527 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2528 2529 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2530 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2531 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2532 EXPECT_TOKEN(Tokens[1], tok::identifier, 2533 TT_TableGenDAGArgOperatorID); // other 2534 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2535 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2536 2537 // For non-identifier operators, breaks after the operator. 2538 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2539 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2540 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2541 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2542 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2543 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2544 2545 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2546 2547 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2548 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2549 // to have line break inside it. 2550 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2551 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2552 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2553 EXPECT_TOKEN(Tokens[1], tok::identifier, 2554 TT_TableGenDAGArgOperatorToBreak); // ins 2555 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2556 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2557 2558 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2559 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2560 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2561 EXPECT_TOKEN(Tokens[1], tok::identifier, 2562 TT_TableGenDAGArgOperatorToBreak); // other 2563 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2564 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2565 2566 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2567 // specified operators. 2568 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2569 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2570 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2571 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2572 EXPECT_TOKEN(Tokens[1], tok::identifier, 2573 TT_TableGenDAGArgOperatorToBreak); // ins 2574 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2575 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2576 2577 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2578 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2579 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2580 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2581 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2582 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2583 2584 // If TableGenBreakingDAGArgOperators is enabled, it uses 2585 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2586 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2587 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2588 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2589 EXPECT_TOKEN(Tokens[1], tok::identifier, 2590 TT_TableGenDAGArgOperatorToBreak); // ins 2591 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2592 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2593 2594 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2595 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2596 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2597 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2598 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2599 } 2600 2601 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2602 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2603 2604 // The TT_Unknown is clearly not binding for the future, please adapt if those 2605 // tokens get annotated. 2606 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2607 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2608 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2609 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2610 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2611 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2612 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2613 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2614 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2615 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2616 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2617 2618 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2619 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2620 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2621 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2622 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2623 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2624 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2625 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2626 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2627 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2628 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2629 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2630 2631 Tokens = annotate("class Class {\n" 2632 " Class() : BaseClass() {\n" 2633 "#if 0\n" 2634 " // comment\n" 2635 "#endif\n" 2636 " }\n" 2637 " Class f();\n" 2638 "}"); 2639 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2640 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2641 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2642 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2643 } 2644 2645 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2646 auto Tokens = annotate("if (x) {}"); 2647 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2648 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2649 Tokens = annotate("if constexpr (x) {}"); 2650 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2651 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2652 Tokens = annotate("if CONSTEXPR (x) {}"); 2653 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2654 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2655 Tokens = annotate("if (x) {} else if (x) {}"); 2656 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2657 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2658 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2659 } 2660 2661 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2662 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2663 2664 auto Tokens = annotate("int? a;", Style); 2665 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2666 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2667 2668 Tokens = annotate("int? a = 1;", Style); 2669 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2670 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2671 2672 Tokens = annotate("int?)", Style); 2673 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2674 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2675 2676 Tokens = annotate("int?>", Style); 2677 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2678 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2679 2680 Tokens = annotate("cond? id : id2", Style); 2681 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2682 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2683 2684 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2685 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2686 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2687 } 2688 2689 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2690 auto Tokens = annotate("{ x: break; }"); 2691 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2692 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2693 2694 Tokens = annotate("{ case x: break; }"); 2695 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2696 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2697 2698 Tokens = annotate("{ x: { break; } }"); 2699 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2700 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2701 2702 Tokens = annotate("{ case x: { break; } }"); 2703 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2704 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2705 2706 Tokens = annotate("#define FOO label:"); 2707 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2708 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2709 2710 Tokens = annotate("#define FOO \\\n" 2711 "label: \\\n" 2712 " break;"); 2713 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2714 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2715 } 2716 2717 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2718 // The closing braces are not annotated. It doesn't seem to cause a problem. 2719 // So we only test for the opening braces. 2720 auto Tokens = annotate("{\n" 2721 " {\n" 2722 " { int a = 0; }\n" 2723 " }\n" 2724 " {}\n" 2725 "}"); 2726 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2727 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2728 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2729 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2730 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2731 } 2732 2733 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2734 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2735 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2736 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2737 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2738 2739 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2740 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2741 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2742 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2743 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2744 2745 Tokens = annotate("SomeStruct {\n" 2746 "#ifdef FOO\n" 2747 " .a = 1,\n" 2748 "#endif\n" 2749 " .b = 2\n" 2750 "};"); 2751 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2752 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2753 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2754 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2755 2756 Tokens = annotate("SomeStruct {\n" 2757 "#if defined FOO\n" 2758 " .a = 1,\n" 2759 "#endif\n" 2760 " .b = 2\n" 2761 "};"); 2762 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2763 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2764 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2765 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2766 2767 Tokens = annotate("Foo foo[] = {[0]{}};"); 2768 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2769 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2770 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2771 } 2772 2773 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2774 auto Annotate = [this](StringRef Code) { 2775 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2776 }; 2777 2778 // Dictionary. 2779 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2780 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2781 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2782 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2783 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2784 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2785 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2786 // Change when we need to annotate these. 2787 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2788 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2789 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2790 } 2791 2792 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2793 auto Tokens = annotate("bool foo __attribute__((unused));"); 2794 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2795 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2796 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2797 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2798 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2799 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2800 2801 Tokens = annotate("bool foo __declspec(dllimport);"); 2802 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2803 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2804 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2805 2806 Tokens = annotate("bool __attribute__((unused)) foo;"); 2807 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2808 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2809 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2810 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2811 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2812 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2813 2814 Tokens = annotate("void __attribute__((x)) Foo();"); 2815 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2816 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2817 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2818 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2819 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2820 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2821 2822 FormatStyle Style = getLLVMStyle(); 2823 Style.AttributeMacros.push_back("FOO"); 2824 Tokens = annotate("bool foo FOO(unused);", Style); 2825 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2826 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2827 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2828 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2829 } 2830 2831 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2832 auto Tokens = annotate("while (true) {}"); 2833 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2834 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2835 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2836 2837 Tokens = annotate("for (;;) {}"); 2838 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2839 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2840 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2841 2842 Tokens = annotate("do {} while (true);"); 2843 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2844 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2845 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2846 2847 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2848 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2849 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2850 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2851 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2852 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2853 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2854 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2855 2856 Tokens = annotate("switch (foo) {}"); 2857 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2858 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2859 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2860 } 2861 2862 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2863 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2864 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2865 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2866 2867 Tokens = annotate("do ++i; while ( i > 5 );"); 2868 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2869 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2870 } 2871 2872 TEST_F(TokenAnnotatorTest, StartOfName) { 2873 auto Tokens = annotate("#pragma clang diagnostic push"); 2874 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2875 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2876 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2877 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2878 2879 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2880 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2881 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2882 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2883 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2884 2885 Tokens = annotate("#define FOO Foo foo"); 2886 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2887 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2888 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2889 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2890 2891 Tokens = annotate("@interface NSCoder (TestCoder)"); 2892 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2893 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2894 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2895 } 2896 2897 TEST_F(TokenAnnotatorTest, BraceKind) { 2898 auto Tokens = annotate("void f() {};"); 2899 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2900 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2901 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2902 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2903 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2904 2905 Tokens = annotate("class Foo<int> f() {}"); 2906 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2907 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2908 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2909 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2910 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2911 2912 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2913 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2914 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2915 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2916 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2917 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2918 2919 Tokens = annotate("void f() override {};"); 2920 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2921 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2922 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2923 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2924 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2925 2926 Tokens = annotate("void f() noexcept(false) {};"); 2927 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2928 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2929 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2930 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2931 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2932 2933 Tokens = annotate("auto f() -> void {};"); 2934 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2935 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2936 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2937 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2938 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2939 2940 Tokens = annotate("void f() { /**/ };"); 2941 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2942 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2943 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2944 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2945 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2946 2947 Tokens = annotate("void f() { //\n" 2948 "};"); 2949 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2950 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2951 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2952 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2953 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2954 2955 Tokens = annotate("void f() {\n" 2956 " //\n" 2957 "};"); 2958 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2959 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2960 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2961 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2962 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2963 2964 Tokens = annotate("struct Foo {\n" 2965 " Foo() {};\n" 2966 " ~Foo() {};\n" 2967 "};"); 2968 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2969 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2970 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2971 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2972 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2973 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2974 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2975 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2976 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2977 2978 Tokens = annotate("{\n" 2979 " char *a[] = {\n" 2980 " /* abc */ \"abc\",\n" 2981 "#if FOO\n" 2982 " /* xyz */ \"xyz\",\n" 2983 "#endif\n" 2984 " /* last */ \"last\"};\n" 2985 "}"); 2986 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2987 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2988 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2989 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 2990 2991 Tokens = 2992 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 2993 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 2994 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2995 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2996 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 2997 2998 Tokens = annotate("struct {};"); 2999 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3000 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3001 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3002 3003 Tokens = annotate("struct : Base {};"); 3004 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3005 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3006 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3007 3008 Tokens = annotate("struct Foo {};"); 3009 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3010 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3011 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3012 3013 Tokens = annotate("struct ::Foo {};"); 3014 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3015 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3016 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3017 3018 Tokens = annotate("struct NS::Foo {};"); 3019 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3020 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3021 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3022 3023 Tokens = annotate("struct Foo<int> {};"); 3024 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3025 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3026 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3027 3028 Tokens = annotate("struct Foo<int>::Bar {};"); 3029 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3030 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3031 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3032 3033 Tokens = annotate("struct Foo<int> : Base {};"); 3034 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3035 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3036 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3037 3038 Tokens = annotate("struct Foo final {};"); 3039 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3040 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3041 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3042 3043 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3044 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3045 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3046 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3047 3048 Tokens = annotate("struct Foo x{};"); 3049 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3050 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3051 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3052 3053 Tokens = annotate("struct ::Foo x{};"); 3054 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3055 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3056 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3057 3058 Tokens = annotate("struct NS::Foo x{};"); 3059 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3060 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3061 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3062 3063 Tokens = annotate("struct Foo<int> x{};"); 3064 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3065 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3066 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3067 3068 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3069 "#else\n" 3070 "#endif\n" 3071 "class RenderingServer : Object {\n" 3072 "#ifndef DISABLE_DEPRECATED\n" 3073 " enum Features {\n" 3074 " FEATURE_SHADERS,\n" 3075 " FEATURE_MULTITHREADED,\n" 3076 " };\n" 3077 "#endif\n" 3078 "};"); 3079 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3080 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3081 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3082 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3083 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3084 } 3085 3086 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3087 auto Tokens = annotate("auto foo() -> enum En {}"); 3088 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3089 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3090 } 3091 3092 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3093 auto Tokens = annotate("{\n" 3094 " {\n" 3095 " foo();\n" 3096 " }\n" 3097 "}"); 3098 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3099 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3100 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3101 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3102 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3103 3104 Tokens = annotate("void bar() {\n" 3105 " {\n" 3106 " foo();\n" 3107 " }\n" 3108 "}"); 3109 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3110 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3111 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3112 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3113 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3114 } 3115 3116 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3117 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3118 auto Tokens = annotate("i = switch (day) {\n" 3119 " case THURSDAY, SATURDAY -> 8;\n" 3120 " case WEDNESDAY -> 9;\n" 3121 " default -> 1;\n" 3122 "};", 3123 Style); 3124 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3125 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3126 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3127 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3128 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3129 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3130 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3131 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3132 } 3133 3134 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3135 auto Tokens = annotate("a = b and c;"); 3136 ASSERT_EQ(Tokens.size(), 7u); 3137 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3138 3139 Tokens = annotate("a = b and_eq c;"); 3140 ASSERT_EQ(Tokens.size(), 7u); 3141 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3142 3143 Tokens = annotate("a = b bitand c;"); 3144 ASSERT_EQ(Tokens.size(), 7u); 3145 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3146 3147 Tokens = annotate("a = b bitor c;"); 3148 ASSERT_EQ(Tokens.size(), 7u); 3149 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3150 3151 Tokens = annotate("a = b compl c;"); 3152 ASSERT_EQ(Tokens.size(), 7u); 3153 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3154 3155 Tokens = annotate("a = b not c;"); 3156 ASSERT_EQ(Tokens.size(), 7u); 3157 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3158 3159 Tokens = annotate("a = b not_eq c;"); 3160 ASSERT_EQ(Tokens.size(), 7u); 3161 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3162 3163 Tokens = annotate("a = b or c;"); 3164 ASSERT_EQ(Tokens.size(), 7u); 3165 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3166 3167 Tokens = annotate("a = b or_eq c;"); 3168 ASSERT_EQ(Tokens.size(), 7u); 3169 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3170 3171 Tokens = annotate("a = b xor c;"); 3172 ASSERT_EQ(Tokens.size(), 7u); 3173 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3174 3175 Tokens = annotate("a = b xor_eq c;"); 3176 ASSERT_EQ(Tokens.size(), 7u); 3177 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3178 3179 Tokens = annotate("xor = foo;"); 3180 ASSERT_EQ(Tokens.size(), 5u); 3181 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3182 3183 Tokens = annotate("int xor = foo;"); 3184 ASSERT_EQ(Tokens.size(), 6u); 3185 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3186 } 3187 3188 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3189 auto Tokens = 3190 annotate("Foo::Foo(int x, int y) try\n" 3191 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3192 "} catch (...) {\n" 3193 "}"); 3194 ASSERT_EQ(Tokens.size(), 45u); 3195 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3196 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3197 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3198 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_TrailingReturnArrow); 3199 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3200 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3201 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3202 } 3203 3204 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3205 auto Style = getLLVMStyle(); 3206 Style.TypenameMacros.push_back("STRUCT"); 3207 3208 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3209 ASSERT_EQ(Tokens.size(), 13u); 3210 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3211 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3212 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3213 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3214 } 3215 3216 } // namespace 3217 } // namespace format 3218 } // namespace clang 3219