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, UnderstandsWhitespaceSensitiveMacros) { 588 FormatStyle Style = getLLVMStyle(); 589 Style.WhitespaceSensitiveMacros.push_back("FOO"); 590 591 auto Tokens = annotate("FOO(1+2 )", Style); 592 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 593 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 594 595 Tokens = annotate("FOO(a:b:c)", Style); 596 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 597 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 598 } 599 600 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 601 auto Tokens = annotate("delete (void *)p;"); 602 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 603 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 604 605 Tokens = annotate("delete[] (void *)p;"); 606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 607 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 608 609 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 610 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 611 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 612 613 Tokens = annotate("delete[/*comment*/] (void *)p;"); 614 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 615 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 616 617 Tokens = annotate("delete/*comment*/[] (void *)p;"); 618 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 619 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 620 } 621 622 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 623 auto Tokens = annotate("(void)p;"); 624 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 625 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 626 627 Tokens = annotate("(uint32_t)&&label;"); 628 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 629 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 630 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 631 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 632 633 Tokens = annotate("auto x = (Foo)p;"); 634 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 635 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 636 637 Tokens = annotate("(std::vector<int>)p;"); 638 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 639 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 640 641 Tokens = annotate("return (Foo)p;"); 642 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 643 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 644 645 Tokens = annotate("throw (Foo)p;"); 646 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 647 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 648 649 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 650 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 651 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 652 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 653 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 654 655 Tokens = annotate("#define foo(i) ((i) - bar)"); 656 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 657 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 658 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 659 660 Tokens = annotate("return (Foo) & 10;"); 661 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 662 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 663 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 664 665 Tokens = annotate("return (struct foo){};"); 666 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 667 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 668 669 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 670 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 671 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 672 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 673 674 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 675 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 676 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 677 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 678 679 auto Style = getLLVMStyle(); 680 Style.TypeNames.push_back("Foo"); 681 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 682 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 683 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 684 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 685 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 686 } 687 688 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 689 auto Tokens = annotate("void f() throw(int);"); 690 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 691 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 692 } 693 694 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 695 auto Tokens = annotate("void f() &;"); 696 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 697 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 698 699 Tokens = annotate("void operator=(T) &&;"); 700 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 701 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 702 703 Tokens = annotate("template <typename T> void f() &;"); 704 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 705 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 706 707 Tokens = annotate("template <typename T> void operator=(T) &;"); 708 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 709 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 710 } 711 712 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 713 auto Tokens = annotate("x.operator+()"); 714 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 715 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 716 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 717 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 718 Tokens = annotate("x.operator=()"); 719 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 720 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 721 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 722 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 723 Tokens = annotate("x.operator+=()"); 724 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 725 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 726 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 727 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 728 Tokens = annotate("x.operator,()"); 729 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 730 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 731 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 732 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 733 Tokens = annotate("x.operator()()"); 734 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 735 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 736 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 737 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 738 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 739 Tokens = annotate("x.operator[]()"); 740 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 741 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 742 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 743 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 744 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 745 Tokens = annotate("x.operator\"\"_a()"); 746 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 747 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 748 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 749 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 750 Tokens = annotate("x.operator\"\" _a()"); 751 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 752 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 753 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 754 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 755 Tokens = annotate("x.operator\"\"if()"); 756 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 757 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 758 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 759 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 760 Tokens = annotate("x.operator\"\"s()"); 761 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 762 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 763 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 764 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 765 Tokens = annotate("x.operator\"\" s()"); 766 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 767 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 768 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 769 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 770 771 Tokens = annotate("int operator+(int);"); 772 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 773 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 774 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 775 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 776 Tokens = annotate("auto operator=(T&) {}"); 777 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 778 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 779 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 780 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 781 Tokens = annotate("auto operator()() {}"); 782 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 783 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 784 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 785 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 786 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 787 788 Tokens = annotate("class Foo {\n" 789 " int operator+(a* b);\n" 790 "}"); 791 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 792 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 793 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 794 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 795 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 796 797 Tokens = annotate("class Foo {\n" 798 " int c = operator+(a * b);\n" 799 "}"); 800 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 801 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 802 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 803 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 804 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 805 806 Tokens = annotate("void foo() {\n" 807 " operator+(a * b);\n" 808 "}"); 809 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 810 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 811 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 812 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 813 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 814 815 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 816 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 817 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 818 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 819 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 820 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 821 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 822 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 823 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 824 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 825 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 826 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 827 828 Tokens = annotate("class Foo {\n" 829 " void foo() {\n" 830 " operator+(a * b);\n" 831 " }\n" 832 "}"); 833 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 834 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 835 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 836 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 837 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 838 839 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 840 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 841 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 842 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 843 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 844 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 845 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 846 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 847 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 848 849 Tokens = annotate("decltype(auto) operator()(T &x);"); 850 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 851 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 852 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 853 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 854 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 855 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 856 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 857 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 858 } 859 860 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 861 struct { 862 const char *Text; 863 tok::TokenKind Kind; 864 } Operators[] = {{"+", tok::plus}, 865 {"-", tok::minus}, 866 // FIXME: 867 // {"*", tok::star}, 868 {"/", tok::slash}, 869 {"%", tok::percent}, 870 {"^", tok::caret}, 871 // FIXME: 872 // {"&", tok::amp}, 873 {"|", tok::pipe}, 874 {"~", tok::tilde}, 875 {"!", tok::exclaim}, 876 {"=", tok::equal}, 877 // FIXME: 878 // {"<", tok::less}, 879 {">", tok::greater}, 880 {"+=", tok::plusequal}, 881 {"-=", tok::minusequal}, 882 {"*=", tok::starequal}, 883 {"/=", tok::slashequal}, 884 {"%=", tok::percentequal}, 885 {"^=", tok::caretequal}, 886 {"&=", tok::ampequal}, 887 {"|=", tok::pipeequal}, 888 {"<<", tok::lessless}, 889 {">>", tok::greatergreater}, 890 {">>=", tok::greatergreaterequal}, 891 {"<<=", tok::lesslessequal}, 892 {"==", tok::equalequal}, 893 {"!=", tok::exclaimequal}, 894 {"<=", tok::lessequal}, 895 {">=", tok::greaterequal}, 896 {"<=>", tok::spaceship}, 897 {"&&", tok::ampamp}, 898 {"||", tok::pipepipe}, 899 {"++", tok::plusplus}, 900 {"--", tok::minusminus}, 901 {",", tok::comma}, 902 {"->*", tok::arrowstar}, 903 {"->", tok::arrow}}; 904 905 for (const auto &Operator : Operators) { 906 std::string Input("C<&operator"); 907 Input += Operator.Text; 908 Input += " > a;"; 909 auto Tokens = annotate(std::string(Input)); 910 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 911 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 912 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 913 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 914 } 915 916 auto Tokens = annotate("C<&operator< <X>> lt;"); 917 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 918 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 919 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 920 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 921 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 922 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 923 } 924 925 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 926 auto Tokens = annotate("template <typename T>\n" 927 "concept C = (Foo && Bar) && (Bar && Baz);"); 928 929 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 930 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 931 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 932 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 933 934 Tokens = annotate("template <typename T>\n" 935 "concept C = Foo && !Bar;"); 936 937 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 938 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 939 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 940 941 Tokens = annotate("template <typename T>\n" 942 "concept C = requires(T t) {\n" 943 " { t.foo() };\n" 944 "} && Bar<T> && Baz<T>;"); 945 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 946 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 947 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 948 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 949 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 950 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 951 952 Tokens = annotate("template<typename T>\n" 953 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 954 "struct Foo;"); 955 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 956 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 957 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 958 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 959 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 960 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 961 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 962 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 963 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 964 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 965 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 966 967 Tokens = 968 annotate("template<typename T>\n" 969 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 970 "struct Foo;"); 971 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 972 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 973 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 974 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 975 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 976 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 977 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 978 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 979 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 980 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 981 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 982 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 983 984 Tokens = annotate("template <typename T>\n" 985 "void foo(T) noexcept requires Bar<T>;"); 986 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 987 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 988 989 Tokens = annotate("template <typename T>\n" 990 "requires Bar<T> || Baz<T>\n" 991 "auto foo(T) -> int;"); 992 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 993 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 994 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 995 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 996 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 997 998 Tokens = annotate("template <typename T>\n" 999 "requires Bar<T>\n" 1000 "bool foo(T) { return false; }"); 1001 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1002 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1003 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1004 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1005 1006 Tokens = annotate("template <typename T>\n" 1007 "requires Bar<T>\n" 1008 "decltype(auto) foo(T) { return false; }"); 1009 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1010 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1011 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1012 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1013 1014 Tokens = annotate("template <typename T>\n" 1015 "struct S {\n" 1016 " void foo() const requires Bar<T>;\n" 1017 " void bar() const & requires Baz<T>;\n" 1018 " void bar() && requires Baz2<T>;\n" 1019 " void baz() const & noexcept requires Baz<T>;\n" 1020 " void baz() && noexcept requires Baz2<T>;\n" 1021 "};\n" 1022 "\n" 1023 "void S::bar() const & requires Baz<T> { }"); 1024 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1025 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1026 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1027 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1028 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1029 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1030 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1031 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1032 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1033 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1034 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1035 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1036 1037 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1038 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1039 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1040 1041 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1042 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1043 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1044 1045 Tokens = 1046 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1047 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1048 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1049 1050 Tokens = annotate("void Class::member() && requires(typename " 1051 "Namespace::Outer<T>::Inner::Constant) {}"); 1052 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1053 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1054 1055 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1056 " template<class T>\n" 1057 " requires requires { number_zero_v<T>; }\n" 1058 " [[nodiscard]] constexpr operator T() const { " 1059 "return number_zero_v<T>; }\n" 1060 "};"); 1061 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1062 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1063 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1064 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1065 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1066 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1067 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1068 1069 Tokens = 1070 annotate("template <class A, class B> concept C =" 1071 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1072 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1073 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1074 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1075 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1076 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1077 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1078 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1079 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1080 1081 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1082 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1083 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1084 1085 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1086 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1087 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1088 1089 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1090 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1091 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1092 1093 Tokens = 1094 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1095 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1096 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1097 1098 Tokens = 1099 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1100 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1101 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1102 1103 Tokens = 1104 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1105 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1106 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1107 1108 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1109 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1110 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1111 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1112 1113 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1114 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1115 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1116 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1117 1118 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1119 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1120 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1121 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1122 1123 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1124 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1125 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1126 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1127 1128 Tokens = annotate("void f() & requires(true) {}"); 1129 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1130 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1131 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1132 1133 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1134 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1135 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1136 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1137 1138 Tokens = annotate("template <typename T>\n" 1139 "concept C = (!Foo<T>) && Bar;"); 1140 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1141 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1142 1143 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1144 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1145 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1146 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1147 1148 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1149 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1150 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1151 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1152 1153 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1154 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1155 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1156 1157 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1158 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1159 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1160 1161 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1162 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1163 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1164 } 1165 1166 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1167 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1168 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1169 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1170 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1171 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1172 1173 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1174 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1175 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1176 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1177 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1178 1179 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1180 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1181 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1182 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1183 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1184 1185 Tokens = annotate("foo(requires(const T t) {});"); 1186 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1187 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1188 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1189 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1190 1191 Tokens = annotate("foo(requires(const int t) {});"); 1192 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1193 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1194 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1195 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1196 1197 Tokens = annotate("foo(requires(const T t) {});"); 1198 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1199 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1200 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1201 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1202 1203 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1204 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1205 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1206 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1207 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1208 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1209 1210 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1211 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1212 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1213 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1214 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1215 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1216 1217 Tokens = annotate("foo(requires(T& t) {});"); 1218 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1219 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1220 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1221 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1222 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1223 1224 Tokens = annotate("foo(requires(T&& t) {});"); 1225 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1226 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1227 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1228 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1229 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1230 1231 Tokens = annotate("bool foo = requires(T& t) {};"); 1232 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1233 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1234 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1235 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1236 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1237 1238 Tokens = annotate("bool foo = requires(T&& t) {};"); 1239 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1240 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1241 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1242 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1243 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1244 1245 Tokens = 1246 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1247 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1248 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1249 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1250 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1251 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1252 1253 Tokens = annotate("template <typename T>\n" 1254 "concept C = requires(T T) {\n" 1255 " requires Bar<T> && Foo<T>;\n" 1256 "};"); 1257 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1258 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1259 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1260 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1261 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1262 TT_RequiresClauseInARequiresExpression); 1263 1264 Tokens = annotate("template <typename T>\n" 1265 "concept C = requires(T T) {\n" 1266 " { t.func() } -> std::same_as<int>;" 1267 " requires Bar<T> && Foo<T>;\n" 1268 "};"); 1269 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1270 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1271 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1272 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1273 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1274 TT_RequiresClauseInARequiresExpression); 1275 1276 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1277 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1278 "requires true; };"); 1279 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1280 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1281 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1282 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1283 1284 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1285 " { c.foo(); }\n" 1286 "};"); 1287 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1288 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1289 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1290 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1291 } 1292 1293 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1294 // Everything after #pragma region should be ImplicitStringLiteral 1295 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1296 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1297 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1298 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1299 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1300 1301 // Make sure it's annotated correctly inside a function as well 1302 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1303 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1304 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1305 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1306 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1307 } 1308 1309 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1310 const char *BaseCode = nullptr; 1311 const char *ConstrainedCode = nullptr; 1312 auto BaseTokenCount = 0u; 1313 auto RequiresTokenCount = 0u; 1314 auto PrefixTokenCount = 0u; 1315 1316 auto TestRequires = [&](int Line) { 1317 const auto BaseTokens = annotate(BaseCode); 1318 const auto ConstrainedTokens = annotate(ConstrainedCode); 1319 1320 #define LINE " (Line " << Line << ')' 1321 1322 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1323 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1324 << LINE; 1325 1326 for (auto I = 0u; I < BaseTokenCount; ++I) { 1327 EXPECT_EQ( 1328 *BaseTokens[I], 1329 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1330 << I << LINE; 1331 } 1332 1333 #undef LINE 1334 }; 1335 1336 BaseCode = "template<typename T>\n" 1337 "T Pi = 3.14;"; 1338 ConstrainedCode = "template<typename T>\n" 1339 " requires Foo<T>\n" 1340 "T Pi = 3.14;"; 1341 BaseTokenCount = 11; 1342 RequiresTokenCount = 5; 1343 PrefixTokenCount = 5; 1344 TestRequires(__LINE__); 1345 1346 BaseCode = "template<typename T>\n" 1347 "struct Bar;"; 1348 ConstrainedCode = "template<typename T>\n" 1349 " requires Foo<T>\n" 1350 "struct Bar;"; 1351 BaseTokenCount = 9; 1352 TestRequires(__LINE__); 1353 1354 BaseCode = "template<typename T>\n" 1355 "struct Bar {\n" 1356 " T foo();\n" 1357 " T bar();\n" 1358 "};"; 1359 ConstrainedCode = "template<typename T>\n" 1360 " requires Foo<T>\n" 1361 "struct Bar {\n" 1362 " T foo();\n" 1363 " T bar();\n" 1364 "};"; 1365 BaseTokenCount = 21; 1366 TestRequires(__LINE__); 1367 1368 BaseCode = "template<typename T>\n" 1369 "Bar(T) -> Bar<T>;"; 1370 ConstrainedCode = "template<typename T>\n" 1371 " requires Foo<T>\n" 1372 "Bar(T) -> Bar<T>;"; 1373 BaseTokenCount = 16; 1374 TestRequires(__LINE__); 1375 1376 BaseCode = "template<typename T>\n" 1377 "T foo();"; 1378 ConstrainedCode = "template<typename T>\n" 1379 " requires Foo<T>\n" 1380 "T foo();"; 1381 BaseTokenCount = 11; 1382 TestRequires(__LINE__); 1383 1384 BaseCode = "template<typename T>\n" 1385 "T foo() {\n" 1386 " auto bar = baz();\n" 1387 " return bar + T{};\n" 1388 "}"; 1389 ConstrainedCode = "template<typename T>\n" 1390 " requires Foo<T>\n" 1391 "T foo() {\n" 1392 " auto bar = baz();\n" 1393 " return bar + T{};\n" 1394 "}"; 1395 BaseTokenCount = 26; 1396 TestRequires(__LINE__); 1397 1398 BaseCode = "template<typename T>\n" 1399 "T foo();"; 1400 ConstrainedCode = "template<typename T>\n" 1401 "T foo() requires Foo<T>;"; 1402 BaseTokenCount = 11; 1403 PrefixTokenCount = 9; 1404 TestRequires(__LINE__); 1405 1406 BaseCode = "template<typename T>\n" 1407 "T foo() {\n" 1408 " auto bar = baz();\n" 1409 " return bar + T{};\n" 1410 "}"; 1411 ConstrainedCode = "template<typename T>\n" 1412 "T foo() requires Foo<T> {\n" 1413 " auto bar = baz();\n" 1414 " return bar + T{};\n" 1415 "}"; 1416 BaseTokenCount = 26; 1417 TestRequires(__LINE__); 1418 1419 BaseCode = "template<typename T>\n" 1420 "T foo();"; 1421 ConstrainedCode = "template<typename T>\n" 1422 " requires(Foo<T>)\n" 1423 "T foo();"; 1424 BaseTokenCount = 11; 1425 RequiresTokenCount = 7; 1426 PrefixTokenCount = 5; 1427 TestRequires(__LINE__); 1428 1429 BaseCode = "template<typename T>\n" 1430 "Bar(T) -> Bar<typename T::I>;"; 1431 ConstrainedCode = "template<typename T>\n" 1432 " requires requires(T &&t) {\n" 1433 " typename T::I;\n" 1434 " }\n" 1435 "Bar(T) -> Bar<typename T::I>;"; 1436 BaseTokenCount = 19; 1437 RequiresTokenCount = 14; 1438 PrefixTokenCount = 5; 1439 TestRequires(__LINE__); 1440 1441 BaseCode = "struct [[nodiscard]] zero_t {\n" 1442 " template<class T>\n" 1443 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1444 "};"; 1445 ConstrainedCode = 1446 "struct [[nodiscard]] zero_t {\n" 1447 " template<class T>\n" 1448 " requires requires { v<T>; }\n" 1449 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1450 "};"; 1451 BaseTokenCount = 35; 1452 RequiresTokenCount = 9; 1453 PrefixTokenCount = 13; 1454 TestRequires(__LINE__); 1455 1456 BaseCode = "constexpr Foo(Foo const &other)\n" 1457 " : value{other.value} {\n" 1458 " do_magic();\n" 1459 " do_more_magic();\n" 1460 "}"; 1461 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1462 " requires std::is_copy_constructible<T>\n" 1463 " : value{other.value} {\n" 1464 " do_magic();\n" 1465 " do_more_magic();\n" 1466 "}"; 1467 BaseTokenCount = 26; 1468 RequiresTokenCount = 7; 1469 PrefixTokenCount = 8; 1470 TestRequires(__LINE__); 1471 1472 BaseCode = "constexpr Foo(Foo const &other)\n" 1473 " : value{other.value} {\n" 1474 " do_magic();\n" 1475 " do_more_magic();\n" 1476 "}"; 1477 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1478 " requires (std::is_copy_constructible<T>)\n" 1479 " : value{other.value} {\n" 1480 " do_magic();\n" 1481 " do_more_magic();\n" 1482 "}"; 1483 RequiresTokenCount = 9; 1484 TestRequires(__LINE__); 1485 1486 BaseCode = "template<typename T>\n" 1487 "ANNOTATE(\"S\"\n" 1488 " \"S\")\n" 1489 "void foo();"; 1490 ConstrainedCode = "template<typename T>\n" 1491 " requires(true)\n" 1492 "ANNOTATE(\"S\"\n" 1493 " \"S\")\n" 1494 "void foo();"; 1495 BaseTokenCount = 16; 1496 RequiresTokenCount = 4; 1497 PrefixTokenCount = 5; 1498 TestRequires(__LINE__); 1499 } 1500 1501 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1502 auto Tokens = annotate("__asm{\n" 1503 "\"a\":\n" 1504 ": x\n" 1505 ":};"); 1506 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1507 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1508 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1509 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1510 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1511 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1512 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1513 1514 Tokens = annotate("__asm(\n" 1515 "\"a\":\n" 1516 ": x\n" 1517 ":);"); 1518 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1519 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1520 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1521 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1522 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1523 1524 Tokens = annotate("asm volatile (\n" 1525 "\"a_label:\"\n" 1526 ":\n" 1527 ": x\n" 1528 ":);"); 1529 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1530 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1531 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1532 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1533 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1534 1535 Tokens = annotate("__asm__(\n" 1536 "\"a_label:\"\n" 1537 ": x\n" 1538 ":\n" 1539 ": y);"); 1540 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1541 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1542 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1543 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1544 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1545 1546 Tokens = annotate("__asm volatile (\n" 1547 "\"a_label:\"\n" 1548 "\"a b c(%%x)\"\n" 1549 ":\n" 1550 ": x\n" 1551 ":);"); 1552 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1553 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1554 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1555 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1556 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1557 1558 Tokens = annotate("asm(\n" 1559 "\"insn\"\n" 1560 ": \"=r\" (var1), \"=&r\" (value)\n" 1561 ":\n" 1562 ": \"memory\");"); 1563 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1564 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1565 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1566 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1567 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1568 1569 Tokens = annotate("__asm__ volatile (\n" 1570 "\"ldr r1, [r0, %%[sym]]\"\n" 1571 ":\n" 1572 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1573 ");"); 1574 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1575 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1576 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1577 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1578 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1579 } 1580 1581 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1582 auto Tokens = annotate("int (^)() = ^ ()\n" 1583 " external_source_symbol() { //\n" 1584 " return 1;\n" 1585 "};"); 1586 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1587 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1588 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1589 1590 Tokens = annotate("int *p = ^int*(){ //\n" 1591 " return nullptr;\n" 1592 "}();"); 1593 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1594 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1595 } 1596 1597 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1598 auto Tokens = annotate("void f() {\n" 1599 " //\n" 1600 " BOOL a = [b.c n] > 1;\n" 1601 "}"); 1602 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1603 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1604 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1605 } 1606 1607 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1608 auto Tokens = annotate("[]() constexpr {}"); 1609 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1610 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1611 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1612 1613 Tokens = annotate("[]() consteval {}"); 1614 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1615 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1616 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1617 1618 Tokens = annotate("[]() mutable {}"); 1619 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1620 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1621 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1622 1623 Tokens = annotate("[]() static {}"); 1624 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1625 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1626 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1627 1628 Tokens = annotate("[]() -> auto {}"); 1629 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1630 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1631 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1632 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1633 1634 Tokens = annotate("[]() -> auto & {}"); 1635 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1636 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1637 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1638 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1639 1640 Tokens = annotate("[]() -> auto * {}"); 1641 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1642 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1643 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1644 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1645 1646 Tokens = annotate("[] {}"); 1647 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1648 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1649 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1650 1651 Tokens = annotate("[] noexcept {}"); 1652 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1653 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1654 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1655 1656 Tokens = annotate("[] -> auto {}"); 1657 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1658 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1659 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1660 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1661 1662 Tokens = annotate("[] -> struct S { return {}; }"); 1663 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1664 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1665 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1666 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1667 1668 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1669 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1670 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1671 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1672 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1673 1674 Tokens = annotate("[] <typename T> () {}"); 1675 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1676 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1677 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1678 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1679 1680 Tokens = annotate("[] <typename T> {}"); 1681 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1682 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1683 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1684 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1685 1686 Tokens = annotate("[] <typename... T> () {}"); 1687 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1688 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1689 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1690 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1691 1692 Tokens = annotate("[] <typename... T> {}"); 1693 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1694 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1695 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1696 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1697 1698 Tokens = annotate("[] <int... T> () {}"); 1699 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1700 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1701 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1702 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1703 1704 Tokens = annotate("[] <int... T> {}"); 1705 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1706 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1707 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1708 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1709 1710 Tokens = annotate("[] <Foo... T> () {}"); 1711 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1712 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1713 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1714 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1715 1716 Tokens = annotate("[] <Foo... T> {}"); 1717 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1718 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1719 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1720 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1721 1722 // Lambdas with a requires-clause 1723 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1724 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1725 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1726 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1727 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1728 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1729 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1730 1731 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1732 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1733 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1734 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1735 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1736 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1737 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1738 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1739 1740 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1741 ASSERT_EQ(Tokens.size(), 23u) << 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[19]->ClosesRequiresClause); 1746 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1747 1748 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1749 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1750 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1751 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1752 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1753 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1754 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1755 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1756 1757 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1758 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1759 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1760 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1761 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1762 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1763 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1764 1765 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1766 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1767 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1768 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1769 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1770 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1771 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1772 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1773 1774 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1775 ASSERT_EQ(Tokens.size(), 23u) << 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[15]->ClosesRequiresClause); 1780 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1781 1782 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1783 ASSERT_EQ(Tokens.size(), 16u) << 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[7]->ClosesRequiresClause); 1788 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1789 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1790 1791 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1792 ASSERT_EQ(Tokens.size(), 14u) << 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[10]->ClosesRequiresClause); 1797 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1798 1799 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1800 ASSERT_EQ(Tokens.size(), 15u) << 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[10]->ClosesRequiresClause); 1805 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1806 1807 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1808 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1809 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1810 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1811 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1812 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1813 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1814 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1815 1816 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1817 ASSERT_EQ(Tokens.size(), 23u) << 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[15], tok::kw_requires, TT_RequiresClause); 1823 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1824 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1825 1826 Tokens = annotate("[] <typename T = int> (T t) {}"); 1827 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1828 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1829 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1830 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1831 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1832 1833 Tokens = annotate("[] <int I = 0> (T t) {}"); 1834 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1835 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1836 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1837 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1838 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1839 1840 Tokens = annotate("[] <bool b = false> (T t) {}"); 1841 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1842 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1843 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1844 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1845 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1846 1847 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1848 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1849 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1850 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1851 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1852 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1853 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1854 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1855 1856 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1857 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1858 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1859 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1860 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1861 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1862 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1863 } 1864 1865 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1866 auto Tokens = annotate("template <typename T>\n" 1867 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1868 "string OldFunction(const string ¶meter) {}"); 1869 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1870 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1871 1872 Tokens = annotate("template <typename T>\n" 1873 "A(T) noexcept;"); 1874 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1875 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1876 } 1877 1878 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1879 auto Tokens = annotate("void f [[noreturn]] ();"); 1880 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1881 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1882 1883 Tokens = annotate("void f [[noreturn]] () {}"); 1884 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1885 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1886 1887 Tokens = annotate("#define FOO Foo::\n" 1888 "FOO Foo();"); 1889 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1890 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1891 1892 Tokens = annotate("struct Foo {\n" 1893 " Bar (*func)();\n" 1894 "};"); 1895 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1896 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1897 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1898 1899 Tokens = annotate("void instanceof();"); 1900 ASSERT_EQ(Tokens.size(), 6u); 1901 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1902 1903 Tokens = annotate("int iso_time(time_t);"); 1904 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1905 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1906 1907 auto Style = getLLVMStyle(); 1908 Style.TypeNames.push_back("MyType"); 1909 Tokens = annotate("int iso_time(MyType);", Style); 1910 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1911 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1912 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1913 } 1914 1915 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1916 auto Tokens = annotate("class Foo { public: Foo(); };"); 1917 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1918 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1919 1920 Tokens = annotate("class Foo { public: ~Foo(); };"); 1921 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1922 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1923 1924 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1925 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1926 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1927 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1928 1929 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1930 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1931 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1932 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1933 1934 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1935 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1936 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1937 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1938 1939 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1940 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1941 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1942 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1943 1944 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1945 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1946 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1947 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1948 1949 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1950 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1951 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1952 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1953 1954 Tokens = annotate("Foo::Foo() {}"); 1955 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1956 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1957 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1958 1959 Tokens = annotate("Foo::~Foo() {}"); 1960 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1961 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1962 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1963 1964 Tokens = annotate("struct Test {\n" 1965 " Test()\n" 1966 " : l([] {\n" 1967 " Short::foo();\n" 1968 " }) {}\n" 1969 "};"); 1970 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1971 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1972 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1973 } 1974 1975 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1976 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1977 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1978 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1979 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1980 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1981 } 1982 1983 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1984 auto Tokens = annotate("auto f() -> int;"); 1985 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1986 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1987 1988 Tokens = annotate("auto operator->() -> int;"); 1989 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1990 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1991 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1992 1993 Tokens = annotate("auto operator++(int) -> int;"); 1994 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1995 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1996 1997 Tokens = annotate("auto operator=() -> int;"); 1998 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1999 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2000 2001 Tokens = annotate("auto operator=(int) -> int;"); 2002 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2003 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2004 2005 Tokens = annotate("auto foo() -> auto { return Val; }"); 2006 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2007 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2008 2009 Tokens = annotate("struct S { auto bar() const -> int; };"); 2010 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2011 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2012 2013 // Not trailing return arrows 2014 Tokens = annotate("auto a = b->c;"); 2015 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2016 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2017 2018 Tokens = annotate("auto a = (b)->c;"); 2019 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2020 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2021 2022 Tokens = annotate("auto a = b()->c;"); 2023 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2024 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2025 2026 Tokens = annotate("auto a = b->c();"); 2027 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2028 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2029 2030 Tokens = annotate("decltype(auto) a = b()->c;"); 2031 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2032 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2033 2034 Tokens = annotate("void f() { auto a = b->c(); }"); 2035 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2036 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2037 2038 Tokens = annotate("void f() { auto a = b()->c; }"); 2039 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2040 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2041 2042 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2043 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2044 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2045 2046 Tokens = annotate("void f() FOO(foo->bar);"); 2047 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2048 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2049 2050 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2051 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2052 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2053 2054 // Mixed 2055 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2056 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2057 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2058 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2059 } 2060 2061 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2062 auto Tokens = annotate("#define Foo(Bar) \\\n" 2063 " { \\\n" 2064 " #Bar \\\n" 2065 " }"); 2066 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2067 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2068 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2069 2070 Tokens = annotate("#define Foo(Bar) \\\n" 2071 " { #Bar }"); 2072 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2073 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2074 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2075 2076 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2077 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2078 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2079 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2080 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2081 } 2082 2083 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2084 // '__attribute__' has special handling. 2085 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2086 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2087 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2088 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2089 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2090 2091 // Generic macro has no special handling in this location. 2092 Tokens = annotate("A(X) void Foo(void);"); 2093 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2094 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2095 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2096 2097 // Add a custom AttributeMacro. Test that it has the same behavior. 2098 FormatStyle Style = getLLVMStyle(); 2099 Style.AttributeMacros.push_back("A"); 2100 2101 // An "AttributeMacro" gets annotated like '__attribute__'. 2102 Tokens = annotate("A(X) void Foo(void);", Style); 2103 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2104 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2105 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2106 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2107 } 2108 2109 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2110 // '__attribute__' has special handling. 2111 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2112 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2113 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2114 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2115 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2116 2117 // Generic macro has no special handling in this location. 2118 Tokens = annotate("A(X) @interface Foo"); 2119 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2120 // Note: Don't check token-type as a random token in this position is hard to 2121 // reason about. 2122 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2123 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2124 2125 // Add a custom AttributeMacro. Test that it has the same behavior. 2126 FormatStyle Style = getLLVMStyle(); 2127 Style.AttributeMacros.push_back("A"); 2128 2129 // An "AttributeMacro" gets annotated like '__attribute__'. 2130 Tokens = annotate("A(X) @interface Foo", Style); 2131 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2132 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2133 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2134 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2135 } 2136 2137 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2138 // '__attribute__' has special handling. 2139 auto Tokens = annotate("- (id)init __attribute__((X));"); 2140 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2141 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2142 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2143 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2144 2145 // Generic macro has no special handling in this location. 2146 Tokens = annotate("- (id)init A(X);"); 2147 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2148 // Note: Don't check token-type as a random token in this position is hard to 2149 // reason about. 2150 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2151 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2152 2153 // Add a custom AttributeMacro. Test that it has the same behavior. 2154 FormatStyle Style = getLLVMStyle(); 2155 Style.AttributeMacros.push_back("A"); 2156 2157 // An "AttributeMacro" gets annotated like '__attribute__'. 2158 Tokens = annotate("- (id)init A(X);", Style); 2159 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2160 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2161 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2162 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2163 } 2164 2165 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2166 // '__attribute__' has special handling. 2167 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2168 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2169 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2170 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2171 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2172 2173 // Generic macro has no special handling in this location. 2174 Tokens = annotate("@property(weak) id delegate A(X);"); 2175 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2176 // Note: Don't check token-type as a random token in this position is hard to 2177 // reason about. 2178 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2179 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2180 2181 // Add a custom AttributeMacro. Test that it has the same behavior. 2182 FormatStyle Style = getLLVMStyle(); 2183 Style.AttributeMacros.push_back("A"); 2184 2185 // An "AttributeMacro" gets annotated like '__attribute__'. 2186 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2187 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2188 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2189 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2190 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2191 } 2192 2193 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2194 auto Annotate = [this](StringRef Code) { 2195 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2196 }; 2197 // Test that unary operators get labeled as such and that operators like '++' 2198 // don't get split. 2199 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2200 tok::tilde, tok::amp, tok::pipe, 2201 tok::caret, tok::plusplus, tok::minusminus}; 2202 for (auto Kind : Unary) { 2203 auto Tokens = 2204 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2205 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2206 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2207 } 2208 // Operators formed by joining two operators like '^~'. For some of these 2209 // joined operators, we don't have a separate type, so we only test for their 2210 // precedence. 2211 std::pair<prec::Level, std::string> JoinedBinary[] = { 2212 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2213 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2214 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2215 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2216 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2217 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2218 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2219 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2220 {prec::Equality, "!="}, {prec::Equality, "==="}, 2221 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2222 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2223 {prec::ExclusiveOr, "^~"}, 2224 }; 2225 for (auto Operator : JoinedBinary) { 2226 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2227 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2228 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2229 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2230 } 2231 // '~^' and '^~' can be unary as well as binary operators. 2232 auto Tokens = Annotate("x = ~^x;"); 2233 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2234 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2235 Tokens = Annotate("x = ^~x;"); 2236 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2237 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2238 // The unary operators '~&' and '~|' can only be unary operators. The current 2239 // implementation treats each of them as separate unary '~' and '&' or '|' 2240 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2241 // there is a test that there is no space in between. And even if a new line 2242 // is inserted between the '~' and '|', the semantic meaning is the same as 2243 // the joined operator, so the CanBreakBefore property doesn't need to be 2244 // false for the second operator. 2245 Tokens = Annotate("x = ~&x;"); 2246 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2247 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2248 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2249 Tokens = Annotate("x = ~|x;"); 2250 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2251 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2252 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2253 // Test for block label colons. 2254 Tokens = Annotate("begin : x\n" 2255 "end : x"); 2256 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2257 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2258 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2259 // Test that the dimension colon is annotated correctly. 2260 Tokens = Annotate("var [1 : 0] x;"); 2261 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2262 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2263 Tokens = Annotate("extern function [1 : 0] x;"); 2264 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2265 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2266 Tokens = Annotate("module test\n" 2267 " (input wire [7 : 0] a[7 : 0]);\n" 2268 "endmodule"); 2269 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2270 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2271 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2272 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2273 // Test case labels and ternary operators. 2274 Tokens = Annotate("case (x)\n" 2275 " x:\n" 2276 " x;\n" 2277 "endcase"); 2278 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2279 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2280 Tokens = Annotate("case (x)\n" 2281 " x ? x : x:\n" 2282 " x;\n" 2283 "endcase"); 2284 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2285 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2286 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2287 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2288 // Non-blocking assignments. 2289 Tokens = Annotate("a <= b;"); 2290 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2291 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2292 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2293 Tokens = Annotate("if (a <= b) break;"); 2294 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2295 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2296 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2297 Tokens = Annotate("a <= b <= a;"); 2298 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2299 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2300 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2301 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2302 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2303 2304 // Port lists in module instantiation. 2305 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2306 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2307 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2308 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2309 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2310 "instance_2(port_2);"); 2311 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2312 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2313 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2314 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2315 2316 // Condition parentheses. 2317 Tokens = Annotate("assert (x);"); 2318 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2319 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2320 Tokens = Annotate("assert #0 (x);"); 2321 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2322 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2323 Tokens = Annotate("assert final (x);"); 2324 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2325 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2326 Tokens = Annotate("foreach (x[x]) continue;"); 2327 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2328 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2329 Tokens = Annotate("repeat (x[x]) continue;"); 2330 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2331 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2332 Tokens = Annotate("case (x) endcase;"); 2333 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2334 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2335 2336 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2337 // future, please adapt if those tokens get annotated. This test is only here 2338 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2339 Tokens = Annotate("always @(posedge x, posedge y);"); 2340 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2341 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2342 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2343 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2344 2345 // String literals in concatenation. 2346 Tokens = Annotate("x = {\"\"};"); 2347 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2348 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2349 Tokens = Annotate("x = {\"\", \"\"};"); 2350 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2351 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2352 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2353 Tokens = Annotate("x = '{{\"\"}};"); 2354 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2355 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2356 // Cases where the string should not be annotated that type. Fix the 2357 // `TT_Unknown` if needed in the future. 2358 Tokens = Annotate("x = {\"\" == \"\"};"); 2359 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2360 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2361 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2362 Tokens = Annotate("x = {(\"\")};"); 2363 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2364 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2365 Tokens = Annotate("x = '{\"\"};"); 2366 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2367 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2368 } 2369 2370 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2371 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2372 ASSERT_TRUE(Style.isTableGen()); 2373 2374 TestLexer Lexer(Allocator, Buffers, Style); 2375 AdditionalKeywords Keywords(Lexer.IdentTable); 2376 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2377 2378 // Additional keywords representation test. 2379 auto Tokens = Annotate("def foo : Bar<1>;"); 2380 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2381 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2382 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2383 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2384 2385 // Code, the multiline string token. 2386 Tokens = Annotate("[{ code is multiline string }]"); 2387 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2388 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2389 EXPECT_FALSE(Tokens[0]->IsMultiline); 2390 // Case with multiple lines. 2391 Tokens = Annotate("[{ It can break\n" 2392 " across lines and the line breaks\n" 2393 " are retained in \n" 2394 " the string. }]"); 2395 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2396 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2397 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2398 EXPECT_TRUE(Tokens[0]->IsMultiline); 2399 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2400 2401 // Numeric literals. 2402 Tokens = Annotate("1234"); 2403 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2404 Tokens = Annotate("-1"); 2405 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2406 Tokens = Annotate("+1234"); 2407 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2408 Tokens = Annotate("0b0110"); 2409 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2410 Tokens = Annotate("0x1abC"); 2411 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2412 2413 // Identifier tokens. In TableGen, identifiers can begin with a number. 2414 // In ambiguous cases, the lexer tries to lex it as a number. 2415 // Even if the try fails, it does not fall back to identifier lexing and 2416 // regard as an error. 2417 // The ambiguity is not documented. The result of those tests are based on the 2418 // implementation of llvm::TGLexer::LexToken. 2419 // This is invalid syntax of number, but not an identifier. 2420 Tokens = Annotate("0x1234x"); 2421 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2422 Tokens = Annotate("identifier"); 2423 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2424 // Identifier beginning with a number. 2425 Tokens = Annotate("0x"); 2426 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2427 Tokens = Annotate("2dVector"); 2428 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2429 Tokens = Annotate("01234Vector"); 2430 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2431 2432 // Structured statements. 2433 Tokens = Annotate("class Foo {}"); 2434 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2435 Tokens = Annotate("def Def: Foo {}"); 2436 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2437 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2438 Tokens = Annotate("if cond then {} else {}"); 2439 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2440 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2441 Tokens = Annotate("defset Foo Def2 = {}"); 2442 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2443 2444 // Bang Operators. 2445 Tokens = Annotate("!foreach"); 2446 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2447 Tokens = Annotate("!if"); 2448 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2449 Tokens = Annotate("!cond"); 2450 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2451 2452 auto AnnotateValue = [this, &Style](StringRef Code) { 2453 // Values are annotated only in specific context. 2454 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2455 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2456 }; 2457 // Both of bang/cond operators. 2458 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2459 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2460 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2461 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2462 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2463 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2464 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2465 // DAGArg values with operator identifier 2466 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2467 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2468 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2469 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2470 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2471 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2472 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2473 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2474 // List literal 2475 Tokens = AnnotateValue("[1, 2, 3]"); 2476 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2477 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2478 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2479 // Suffixes of values 2480 Tokens = AnnotateValue("valid.field"); 2481 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2482 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2483 // Code 2484 Tokens = AnnotateValue("[{ code is multiline string }]"); 2485 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2486 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2487 2488 // The definition 2489 Tokens = annotate("def Def : Parent<Child> {}", Style); 2490 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2491 // We use inheritance colon and function brace. They are enough. 2492 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2493 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2494 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2495 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2496 2497 // DAGArg breaking options. They use different token types depending on what 2498 // is specified. 2499 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2500 2501 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2502 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2503 // elements to have line break. 2504 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2505 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2506 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2507 EXPECT_TOKEN(Tokens[1], tok::identifier, 2508 TT_TableGenDAGArgOperatorID); // ins 2509 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2510 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2511 2512 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2513 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2514 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2515 EXPECT_TOKEN(Tokens[1], tok::identifier, 2516 TT_TableGenDAGArgOperatorID); // other 2517 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2518 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2519 2520 // For non-identifier operators, breaks after the operator. 2521 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2522 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2523 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2524 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2525 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2526 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2527 2528 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2529 2530 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2531 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2532 // to have line break inside it. 2533 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2534 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2535 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2536 EXPECT_TOKEN(Tokens[1], tok::identifier, 2537 TT_TableGenDAGArgOperatorToBreak); // ins 2538 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2539 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2540 2541 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2542 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2543 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2544 EXPECT_TOKEN(Tokens[1], tok::identifier, 2545 TT_TableGenDAGArgOperatorToBreak); // other 2546 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2547 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2548 2549 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2550 // specified operators. 2551 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2552 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2553 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2554 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2555 EXPECT_TOKEN(Tokens[1], tok::identifier, 2556 TT_TableGenDAGArgOperatorToBreak); // ins 2557 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2558 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2559 2560 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2561 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2562 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2563 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2564 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2565 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2566 2567 // If TableGenBreakingDAGArgOperators is enabled, it uses 2568 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2569 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2570 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2571 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2572 EXPECT_TOKEN(Tokens[1], tok::identifier, 2573 TT_TableGenDAGArgOperatorToBreak); // ins 2574 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2575 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2576 2577 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2578 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2579 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2580 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2581 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2582 } 2583 2584 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2585 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2586 2587 // The TT_Unknown is clearly not binding for the future, please adapt if those 2588 // tokens get annotated. 2589 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2590 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2591 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2592 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2593 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2594 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2595 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2596 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2597 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2598 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2599 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2600 2601 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2602 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2603 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2604 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2605 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2606 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2607 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2608 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2609 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2610 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2611 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2612 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2613 2614 Tokens = annotate("class Class {\n" 2615 " Class() : BaseClass() {\n" 2616 "#if 0\n" 2617 " // comment\n" 2618 "#endif\n" 2619 " }\n" 2620 " Class f();\n" 2621 "}"); 2622 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2623 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2624 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2625 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2626 } 2627 2628 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2629 auto Tokens = annotate("if (x) {}"); 2630 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2631 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2632 Tokens = annotate("if constexpr (x) {}"); 2633 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2634 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2635 Tokens = annotate("if CONSTEXPR (x) {}"); 2636 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2637 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2638 Tokens = annotate("if (x) {} else if (x) {}"); 2639 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2640 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2641 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2642 } 2643 2644 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2645 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2646 2647 auto Tokens = annotate("int? a;", Style); 2648 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2649 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2650 2651 Tokens = annotate("int? a = 1;", Style); 2652 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2653 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2654 2655 Tokens = annotate("int?)", Style); 2656 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2657 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2658 2659 Tokens = annotate("int?>", Style); 2660 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2661 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2662 2663 Tokens = annotate("cond? id : id2", Style); 2664 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2665 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2666 2667 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2668 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2669 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2670 } 2671 2672 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2673 auto Tokens = annotate("{ x: break; }"); 2674 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2675 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2676 2677 Tokens = annotate("{ case x: break; }"); 2678 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2679 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2680 2681 Tokens = annotate("{ x: { break; } }"); 2682 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2683 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2684 2685 Tokens = annotate("{ case x: { break; } }"); 2686 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2687 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2688 2689 Tokens = annotate("#define FOO label:"); 2690 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2691 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2692 2693 Tokens = annotate("#define FOO \\\n" 2694 "label: \\\n" 2695 " break;"); 2696 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2697 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2698 } 2699 2700 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2701 // The closing braces are not annotated. It doesn't seem to cause a problem. 2702 // So we only test for the opening braces. 2703 auto Tokens = annotate("{\n" 2704 " {\n" 2705 " { int a = 0; }\n" 2706 " }\n" 2707 " {}\n" 2708 "}"); 2709 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2710 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2711 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2712 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2713 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2714 } 2715 2716 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2717 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2718 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2719 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2720 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2721 2722 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2723 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2724 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2725 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2726 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2727 2728 Tokens = annotate("SomeStruct {\n" 2729 "#ifdef FOO\n" 2730 " .a = 1,\n" 2731 "#endif\n" 2732 " .b = 2\n" 2733 "};"); 2734 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2735 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2736 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2737 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2738 2739 Tokens = annotate("SomeStruct {\n" 2740 "#if defined FOO\n" 2741 " .a = 1,\n" 2742 "#endif\n" 2743 " .b = 2\n" 2744 "};"); 2745 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2746 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2747 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2748 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2749 2750 Tokens = annotate("Foo foo[] = {[0]{}};"); 2751 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2752 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2753 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2754 } 2755 2756 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2757 auto Annotate = [this](StringRef Code) { 2758 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2759 }; 2760 2761 // Dictionary. 2762 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2763 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2764 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2765 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2766 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2767 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2768 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2769 // Change when we need to annotate these. 2770 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2771 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2772 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2773 } 2774 2775 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2776 auto Tokens = annotate("bool foo __attribute__((unused));"); 2777 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2778 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2779 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2780 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2781 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2782 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2783 2784 Tokens = annotate("bool foo __declspec(dllimport);"); 2785 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2786 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2787 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2788 2789 Tokens = annotate("bool __attribute__((unused)) foo;"); 2790 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2791 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2792 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2793 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2794 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2795 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2796 2797 Tokens = annotate("void __attribute__((x)) Foo();"); 2798 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2799 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2800 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2801 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2802 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2803 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2804 2805 FormatStyle Style = getLLVMStyle(); 2806 Style.AttributeMacros.push_back("FOO"); 2807 Tokens = annotate("bool foo FOO(unused);", Style); 2808 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2809 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2810 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2811 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2812 } 2813 2814 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2815 auto Tokens = annotate("while (true) {}"); 2816 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2817 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2818 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2819 2820 Tokens = annotate("for (;;) {}"); 2821 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2822 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2823 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2824 2825 Tokens = annotate("do {} while (true);"); 2826 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2827 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2828 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2829 2830 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2831 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2832 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2833 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2834 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2835 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2836 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2837 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2838 2839 Tokens = annotate("switch (foo) {}"); 2840 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2841 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2842 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2843 } 2844 2845 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2846 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2847 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2848 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2849 2850 Tokens = annotate("do ++i; while ( i > 5 );"); 2851 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2852 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2853 } 2854 2855 TEST_F(TokenAnnotatorTest, StartOfName) { 2856 auto Tokens = annotate("#pragma clang diagnostic push"); 2857 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2858 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2859 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2860 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2861 2862 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2863 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2864 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2865 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2866 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2867 2868 Tokens = annotate("#define FOO Foo foo"); 2869 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2870 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2871 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2872 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2873 2874 Tokens = annotate("@interface NSCoder (TestCoder)"); 2875 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2876 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2877 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2878 } 2879 2880 TEST_F(TokenAnnotatorTest, BraceKind) { 2881 auto Tokens = annotate("void f() {};"); 2882 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2883 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2884 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2885 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2886 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2887 2888 Tokens = annotate("class Foo<int> f() {}"); 2889 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2890 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2891 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2892 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2893 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2894 2895 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2896 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2897 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2898 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2899 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2900 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2901 2902 Tokens = annotate("void f() override {};"); 2903 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2904 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2905 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2906 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2907 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2908 2909 Tokens = annotate("void f() noexcept(false) {};"); 2910 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2911 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2912 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2913 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2914 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2915 2916 Tokens = annotate("auto f() -> void {};"); 2917 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2918 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2919 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2920 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2921 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2922 2923 Tokens = annotate("void f() { /**/ };"); 2924 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2925 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2926 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2927 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2928 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2929 2930 Tokens = annotate("void f() { //\n" 2931 "};"); 2932 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2933 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2934 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2935 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2936 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2937 2938 Tokens = annotate("void f() {\n" 2939 " //\n" 2940 "};"); 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("struct Foo {\n" 2948 " Foo() {};\n" 2949 " ~Foo() {};\n" 2950 "};"); 2951 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2952 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2953 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2954 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2955 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2956 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2957 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2958 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2959 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2960 2961 Tokens = annotate("{\n" 2962 " char *a[] = {\n" 2963 " /* abc */ \"abc\",\n" 2964 "#if FOO\n" 2965 " /* xyz */ \"xyz\",\n" 2966 "#endif\n" 2967 " /* last */ \"last\"};\n" 2968 "}"); 2969 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2970 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2971 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2972 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 2973 2974 Tokens = 2975 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 2976 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 2977 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2978 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2979 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 2980 2981 Tokens = annotate("struct {};"); 2982 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2983 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2984 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2985 2986 Tokens = annotate("struct : Base {};"); 2987 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2988 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2989 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2990 2991 Tokens = annotate("struct Foo {};"); 2992 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2993 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2994 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2995 2996 Tokens = annotate("struct ::Foo {};"); 2997 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2998 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2999 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3000 3001 Tokens = annotate("struct NS::Foo {};"); 3002 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3003 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3004 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3005 3006 Tokens = annotate("struct Foo<int> {};"); 3007 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3008 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3009 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3010 3011 Tokens = annotate("struct Foo<int>::Bar {};"); 3012 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3013 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3014 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3015 3016 Tokens = annotate("struct Foo<int> : Base {};"); 3017 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3018 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3019 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3020 3021 Tokens = annotate("struct Foo final {};"); 3022 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3023 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3024 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3025 3026 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3027 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3028 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3029 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3030 3031 Tokens = annotate("struct Foo x{};"); 3032 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3033 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3034 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3035 3036 Tokens = annotate("struct ::Foo x{};"); 3037 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3038 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3039 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3040 3041 Tokens = annotate("struct NS::Foo x{};"); 3042 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3043 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3044 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3045 3046 Tokens = annotate("struct Foo<int> x{};"); 3047 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3048 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3049 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3050 3051 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3052 "#else\n" 3053 "#endif\n" 3054 "class RenderingServer : Object {\n" 3055 "#ifndef DISABLE_DEPRECATED\n" 3056 " enum Features {\n" 3057 " FEATURE_SHADERS,\n" 3058 " FEATURE_MULTITHREADED,\n" 3059 " };\n" 3060 "#endif\n" 3061 "};"); 3062 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3063 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3064 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3065 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3066 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3067 } 3068 3069 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3070 auto Tokens = annotate("auto foo() -> enum En {}"); 3071 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3072 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3073 } 3074 3075 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3076 auto Tokens = annotate("{\n" 3077 " {\n" 3078 " foo();\n" 3079 " }\n" 3080 "}"); 3081 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3082 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3083 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3084 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3085 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3086 3087 Tokens = annotate("void bar() {\n" 3088 " {\n" 3089 " foo();\n" 3090 " }\n" 3091 "}"); 3092 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3093 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3094 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3095 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3096 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3097 } 3098 3099 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3100 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3101 auto Tokens = annotate("i = switch (day) {\n" 3102 " case THURSDAY, SATURDAY -> 8;\n" 3103 " case WEDNESDAY -> 9;\n" 3104 " default -> 1;\n" 3105 "};", 3106 Style); 3107 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3108 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3109 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3110 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3111 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3112 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3113 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3114 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3115 } 3116 3117 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3118 auto Tokens = annotate("a = b and c;"); 3119 ASSERT_EQ(Tokens.size(), 7u); 3120 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3121 3122 Tokens = annotate("a = b and_eq c;"); 3123 ASSERT_EQ(Tokens.size(), 7u); 3124 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3125 3126 Tokens = annotate("a = b bitand c;"); 3127 ASSERT_EQ(Tokens.size(), 7u); 3128 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3129 3130 Tokens = annotate("a = b bitor c;"); 3131 ASSERT_EQ(Tokens.size(), 7u); 3132 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3133 3134 Tokens = annotate("a = b compl c;"); 3135 ASSERT_EQ(Tokens.size(), 7u); 3136 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3137 3138 Tokens = annotate("a = b not c;"); 3139 ASSERT_EQ(Tokens.size(), 7u); 3140 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3141 3142 Tokens = annotate("a = b not_eq c;"); 3143 ASSERT_EQ(Tokens.size(), 7u); 3144 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3145 3146 Tokens = annotate("a = b or c;"); 3147 ASSERT_EQ(Tokens.size(), 7u); 3148 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3149 3150 Tokens = annotate("a = b or_eq c;"); 3151 ASSERT_EQ(Tokens.size(), 7u); 3152 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3153 3154 Tokens = annotate("a = b xor c;"); 3155 ASSERT_EQ(Tokens.size(), 7u); 3156 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3157 3158 Tokens = annotate("a = b xor_eq c;"); 3159 ASSERT_EQ(Tokens.size(), 7u); 3160 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3161 3162 Tokens = annotate("xor = foo;"); 3163 ASSERT_EQ(Tokens.size(), 5u); 3164 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3165 3166 Tokens = annotate("int xor = foo;"); 3167 ASSERT_EQ(Tokens.size(), 6u); 3168 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3169 } 3170 3171 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3172 auto Tokens = 3173 annotate("Foo::Foo(int x, int y) try\n" 3174 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3175 "} catch (...) {\n" 3176 "}"); 3177 ASSERT_EQ(Tokens.size(), 45u); 3178 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3179 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3180 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3181 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_TrailingReturnArrow); 3182 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3183 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3184 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3185 } 3186 3187 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3188 auto Style = getLLVMStyle(); 3189 Style.TypenameMacros.push_back("STRUCT"); 3190 3191 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3192 ASSERT_EQ(Tokens.size(), 13u); 3193 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3194 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3195 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3196 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3197 } 3198 3199 } // namespace 3200 } // namespace format 3201 } // namespace clang 3202