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(llvm::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 EXPORT_MACRO [[nodiscard]] C { int i; };"); 442 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 443 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 444 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 445 446 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 447 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 448 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 449 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 450 451 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 452 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 453 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 454 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 455 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 456 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 457 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 458 459 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 460 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 461 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 462 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 463 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 464 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 465 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 466 467 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 468 " void f(T const (&a)[n]);\n" 469 "};"); 470 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 471 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 472 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 473 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 474 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 475 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 476 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 477 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 478 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 479 } 480 481 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 482 auto Tokens = annotate("union U {};"); 483 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 484 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 485 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 486 487 Tokens = annotate("union U { void f() { return; } };"); 488 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 489 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 490 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 491 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 492 } 493 494 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 495 auto Tokens = annotate("enum E {};"); 496 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 497 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 498 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 499 } 500 501 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 502 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 503 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 504 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 505 506 Tokens = annotate("template <typename T> void F(T) && = delete;"); 507 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 508 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 509 } 510 511 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 512 auto Tokens = 513 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 514 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 515 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 516 } 517 518 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 519 auto Tokens = 520 annotate("template <typename T> " 521 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 522 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 523 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 524 } 525 526 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 527 auto Tokens = 528 annotate("#define FOO(typeName) \\\n" 529 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 530 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 531 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 532 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 533 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 534 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 535 } 536 537 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 538 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 539 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 540 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 541 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 542 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 543 } 544 545 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 546 auto Tokens = annotate("return a < b && c > d;"); 547 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 548 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 549 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 550 551 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 552 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 553 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 554 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 555 556 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 557 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 558 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 559 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 560 } 561 562 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 563 FormatStyle Style = getLLVMStyle(); 564 Style.WhitespaceSensitiveMacros.push_back("FOO"); 565 566 auto Tokens = annotate("FOO(1+2 )", Style); 567 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 568 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 569 570 Tokens = annotate("FOO(a:b:c)", Style); 571 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 572 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 573 } 574 575 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 576 auto Tokens = annotate("delete (void *)p;"); 577 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 578 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 579 580 Tokens = annotate("delete[] (void *)p;"); 581 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 582 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 583 584 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 585 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 586 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 587 588 Tokens = annotate("delete[/*comment*/] (void *)p;"); 589 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 590 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 591 592 Tokens = annotate("delete/*comment*/[] (void *)p;"); 593 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 594 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 595 } 596 597 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 598 auto Tokens = annotate("(void)p;"); 599 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 600 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 601 602 Tokens = annotate("(uint32_t)&&label;"); 603 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 604 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 605 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 606 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 607 608 Tokens = annotate("auto x = (Foo)p;"); 609 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 610 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 611 612 Tokens = annotate("(std::vector<int>)p;"); 613 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 614 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 615 616 Tokens = annotate("return (Foo)p;"); 617 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 618 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 619 620 Tokens = annotate("throw (Foo)p;"); 621 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 622 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 623 624 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 625 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 626 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 627 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 628 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 629 630 Tokens = annotate("#define foo(i) ((i) - bar)"); 631 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 632 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 633 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 634 635 Tokens = annotate("return (Foo) & 10;"); 636 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 637 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 638 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 639 640 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 641 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 642 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 643 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 644 645 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 646 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 647 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 648 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 649 650 auto Style = getLLVMStyle(); 651 Style.TypeNames.push_back("Foo"); 652 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 653 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 654 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 655 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 656 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 657 } 658 659 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 660 auto Tokens = annotate("void f() throw(int);"); 661 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 662 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 663 } 664 665 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 666 auto Tokens = annotate("void f() &;"); 667 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 668 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 669 670 Tokens = annotate("void operator=(T) &&;"); 671 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 672 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 673 674 Tokens = annotate("template <typename T> void f() &;"); 675 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 676 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 677 678 Tokens = annotate("template <typename T> void operator=(T) &;"); 679 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 680 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 681 } 682 683 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 684 auto Tokens = annotate("x.operator+()"); 685 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 686 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 687 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 688 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 689 Tokens = annotate("x.operator=()"); 690 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 691 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 692 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 693 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 694 Tokens = annotate("x.operator+=()"); 695 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 696 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 697 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 698 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 699 Tokens = annotate("x.operator,()"); 700 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 701 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 702 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 703 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 704 Tokens = annotate("x.operator()()"); 705 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 706 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 707 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 708 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 709 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 710 Tokens = annotate("x.operator[]()"); 711 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 712 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 713 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 714 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 715 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 716 Tokens = annotate("x.operator\"\"_a()"); 717 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 718 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 719 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 720 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 721 Tokens = annotate("x.operator\"\" _a()"); 722 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 723 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 724 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 725 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 726 Tokens = annotate("x.operator\"\"if()"); 727 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 728 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 729 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 730 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 731 Tokens = annotate("x.operator\"\"s()"); 732 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 733 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 734 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 735 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 736 Tokens = annotate("x.operator\"\" s()"); 737 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 738 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 739 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 740 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 741 742 Tokens = annotate("int operator+(int);"); 743 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 744 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 745 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 746 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 747 Tokens = annotate("auto operator=(T&) {}"); 748 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 749 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 750 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 751 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 752 Tokens = annotate("auto operator()() {}"); 753 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 754 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 755 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 756 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 757 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 758 759 Tokens = annotate("class Foo {\n" 760 " int operator+(a* b);\n" 761 "}"); 762 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 763 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 764 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 765 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 766 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 767 768 Tokens = annotate("class Foo {\n" 769 " int c = operator+(a * b);\n" 770 "}"); 771 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 772 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 773 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 774 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 775 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 776 777 Tokens = annotate("void foo() {\n" 778 " operator+(a * b);\n" 779 "}"); 780 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 781 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 782 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 783 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 784 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 785 786 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 787 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 788 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 789 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 790 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 791 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 792 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 793 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 794 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 795 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 796 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 797 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 798 799 Tokens = annotate("class Foo {\n" 800 " void foo() {\n" 801 " operator+(a * b);\n" 802 " }\n" 803 "}"); 804 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 805 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 806 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 807 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 808 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 809 810 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 811 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 812 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 813 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 814 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 815 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 816 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 817 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 818 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 819 820 Tokens = annotate("decltype(auto) operator()(T &x);"); 821 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 822 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 823 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 824 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 825 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 826 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 827 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 828 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 829 } 830 831 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 832 struct { 833 const char *Text; 834 tok::TokenKind Kind; 835 } Operators[] = {{"+", tok::plus}, 836 {"-", tok::minus}, 837 // FIXME: 838 // {"*", tok::star}, 839 {"/", tok::slash}, 840 {"%", tok::percent}, 841 {"^", tok::caret}, 842 // FIXME: 843 // {"&", tok::amp}, 844 {"|", tok::pipe}, 845 {"~", tok::tilde}, 846 {"!", tok::exclaim}, 847 {"=", tok::equal}, 848 // FIXME: 849 // {"<", tok::less}, 850 {">", tok::greater}, 851 {"+=", tok::plusequal}, 852 {"-=", tok::minusequal}, 853 {"*=", tok::starequal}, 854 {"/=", tok::slashequal}, 855 {"%=", tok::percentequal}, 856 {"^=", tok::caretequal}, 857 {"&=", tok::ampequal}, 858 {"|=", tok::pipeequal}, 859 {"<<", tok::lessless}, 860 {">>", tok::greatergreater}, 861 {">>=", tok::greatergreaterequal}, 862 {"<<=", tok::lesslessequal}, 863 {"==", tok::equalequal}, 864 {"!=", tok::exclaimequal}, 865 {"<=", tok::lessequal}, 866 {">=", tok::greaterequal}, 867 {"<=>", tok::spaceship}, 868 {"&&", tok::ampamp}, 869 {"||", tok::pipepipe}, 870 {"++", tok::plusplus}, 871 {"--", tok::minusminus}, 872 {",", tok::comma}, 873 {"->*", tok::arrowstar}, 874 {"->", tok::arrow}}; 875 876 for (const auto &Operator : Operators) { 877 std::string Input("C<&operator"); 878 Input += Operator.Text; 879 Input += " > a;"; 880 auto Tokens = annotate(std::string(Input)); 881 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 882 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 883 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 884 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 885 } 886 887 auto Tokens = annotate("C<&operator< <X>> lt;"); 888 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 889 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 890 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 891 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 892 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 893 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 894 } 895 896 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 897 auto Tokens = annotate("template <typename T>\n" 898 "concept C = (Foo && Bar) && (Bar && Baz);"); 899 900 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 901 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 902 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 903 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 904 905 Tokens = annotate("template <typename T>\n" 906 "concept C = Foo && !Bar;"); 907 908 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 909 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 910 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 911 912 Tokens = annotate("template <typename T>\n" 913 "concept C = requires(T t) {\n" 914 " { t.foo() };\n" 915 "} && Bar<T> && Baz<T>;"); 916 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 917 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 918 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 919 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 920 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 921 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 922 923 Tokens = annotate("template<typename T>\n" 924 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 925 "struct Foo;"); 926 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 927 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 928 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 929 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 930 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 931 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 932 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 933 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 934 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 935 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 936 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 937 938 Tokens = 939 annotate("template<typename T>\n" 940 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 941 "struct Foo;"); 942 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 943 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 944 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 945 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 946 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 947 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 948 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 949 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 950 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 951 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 952 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 953 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 954 955 Tokens = annotate("template <typename T>\n" 956 "void foo(T) noexcept requires Bar<T>;"); 957 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 958 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 959 960 Tokens = annotate("template <typename T>\n" 961 "requires Bar<T> || Baz<T>\n" 962 "auto foo(T) -> int;"); 963 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 964 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 965 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 966 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 967 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 968 969 Tokens = annotate("template <typename T>\n" 970 "requires Bar<T>\n" 971 "bool foo(T) { return false; }"); 972 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 973 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 974 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 975 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 976 977 Tokens = annotate("template <typename T>\n" 978 "requires Bar<T>\n" 979 "decltype(auto) foo(T) { return false; }"); 980 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 981 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 982 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 983 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 984 985 Tokens = annotate("template <typename T>\n" 986 "struct S {\n" 987 " void foo() const requires Bar<T>;\n" 988 " void bar() const & requires Baz<T>;\n" 989 " void bar() && requires Baz2<T>;\n" 990 " void baz() const & noexcept requires Baz<T>;\n" 991 " void baz() && noexcept requires Baz2<T>;\n" 992 "};\n" 993 "\n" 994 "void S::bar() const & requires Baz<T> { }"); 995 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 996 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 997 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 998 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 999 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1000 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1001 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1002 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1003 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1004 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1005 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1006 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1007 1008 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1009 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1010 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1011 1012 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1013 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1014 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1015 1016 Tokens = 1017 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1018 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1019 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1020 1021 Tokens = annotate("void Class::member() && requires(typename " 1022 "Namespace::Outer<T>::Inner::Constant) {}"); 1023 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1024 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1025 1026 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1027 " template<class T>\n" 1028 " requires requires { number_zero_v<T>; }\n" 1029 " [[nodiscard]] constexpr operator T() const { " 1030 "return number_zero_v<T>; }\n" 1031 "};"); 1032 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1033 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1034 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1035 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1036 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1037 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1038 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1039 1040 Tokens = 1041 annotate("template <class A, class B> concept C =" 1042 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1043 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1044 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1045 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1046 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1047 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1048 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1049 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1050 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1051 1052 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1053 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1054 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1055 1056 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1057 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1058 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1059 1060 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1061 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1062 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1063 1064 Tokens = 1065 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1066 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1067 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1068 1069 Tokens = 1070 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1071 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1072 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1073 1074 Tokens = 1075 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1076 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1077 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1078 1079 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1080 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1081 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1082 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1083 1084 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1085 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1086 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1087 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1088 1089 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1090 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1091 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1092 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1093 1094 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1095 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1096 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1097 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1098 1099 Tokens = annotate("void f() & requires(true) {}"); 1100 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1101 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1102 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1103 1104 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1105 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1106 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1107 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1108 1109 Tokens = annotate("template <typename T>\n" 1110 "concept C = (!Foo<T>) && Bar;"); 1111 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1112 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1113 1114 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1115 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1116 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1117 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1118 1119 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1120 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1121 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1122 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1123 1124 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1125 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1126 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1127 1128 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1129 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1130 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1131 1132 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1133 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1134 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1135 } 1136 1137 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1138 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1139 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1140 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1141 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1142 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1143 1144 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1145 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1146 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1147 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1148 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1149 1150 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1151 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1152 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1153 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1154 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1155 1156 Tokens = annotate("foo(requires(const T t) {});"); 1157 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1158 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1159 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1160 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1161 1162 Tokens = annotate("foo(requires(const int t) {});"); 1163 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1164 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1165 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1166 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1167 1168 Tokens = annotate("foo(requires(const T t) {});"); 1169 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1170 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1171 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1172 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1173 1174 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1175 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1176 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1177 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1178 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1179 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1180 1181 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1182 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1183 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1184 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1185 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1186 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1187 1188 Tokens = annotate("foo(requires(T& t) {});"); 1189 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1190 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1191 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1192 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1193 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1194 1195 Tokens = annotate("foo(requires(T&& t) {});"); 1196 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1197 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1198 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1199 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1200 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1201 1202 Tokens = annotate("bool foo = requires(T& t) {};"); 1203 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1204 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1205 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1206 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1207 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1208 1209 Tokens = annotate("bool foo = requires(T&& t) {};"); 1210 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1211 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1212 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1213 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1214 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1215 1216 Tokens = 1217 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1218 ASSERT_EQ(Tokens.size(), 21u) << 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[12], tok::star, TT_PointerOrReference); 1222 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1223 1224 Tokens = annotate("template <typename T>\n" 1225 "concept C = requires(T T) {\n" 1226 " requires Bar<T> && Foo<T>;\n" 1227 "};"); 1228 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1229 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1230 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1231 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1232 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1233 TT_RequiresClauseInARequiresExpression); 1234 1235 Tokens = annotate("template <typename T>\n" 1236 "concept C = requires(T T) {\n" 1237 " { t.func() } -> std::same_as<int>;" 1238 " requires Bar<T> && Foo<T>;\n" 1239 "};"); 1240 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1241 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1242 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1243 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1244 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1245 TT_RequiresClauseInARequiresExpression); 1246 1247 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1248 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1249 "requires true; };"); 1250 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1251 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1252 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1253 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1254 1255 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1256 " { c.foo(); }\n" 1257 "};"); 1258 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1259 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1260 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1261 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1262 } 1263 1264 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1265 // Everything after #pragma region should be ImplicitStringLiteral 1266 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1267 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1268 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1269 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1270 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1271 1272 // Make sure it's annotated correctly inside a function as well 1273 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1274 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1275 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1276 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1277 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1278 } 1279 1280 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1281 const char *BaseCode = nullptr; 1282 const char *ConstrainedCode = nullptr; 1283 auto BaseTokenCount = 0u; 1284 auto RequiresTokenCount = 0u; 1285 auto PrefixTokenCount = 0u; 1286 1287 auto TestRequires = [&](int Line) { 1288 const auto BaseTokens = annotate(BaseCode); 1289 const auto ConstrainedTokens = annotate(ConstrainedCode); 1290 1291 #define LINE " (Line " << Line << ')' 1292 1293 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1294 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1295 << LINE; 1296 1297 for (auto I = 0u; I < BaseTokenCount; ++I) { 1298 EXPECT_EQ( 1299 *BaseTokens[I], 1300 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1301 << I << LINE; 1302 } 1303 1304 #undef LINE 1305 }; 1306 1307 BaseCode = "template<typename T>\n" 1308 "T Pi = 3.14;"; 1309 ConstrainedCode = "template<typename T>\n" 1310 " requires Foo<T>\n" 1311 "T Pi = 3.14;"; 1312 BaseTokenCount = 11; 1313 RequiresTokenCount = 5; 1314 PrefixTokenCount = 5; 1315 TestRequires(__LINE__); 1316 1317 BaseCode = "template<typename T>\n" 1318 "struct Bar;"; 1319 ConstrainedCode = "template<typename T>\n" 1320 " requires Foo<T>\n" 1321 "struct Bar;"; 1322 BaseTokenCount = 9; 1323 TestRequires(__LINE__); 1324 1325 BaseCode = "template<typename T>\n" 1326 "struct Bar {\n" 1327 " T foo();\n" 1328 " T bar();\n" 1329 "};"; 1330 ConstrainedCode = "template<typename T>\n" 1331 " requires Foo<T>\n" 1332 "struct Bar {\n" 1333 " T foo();\n" 1334 " T bar();\n" 1335 "};"; 1336 BaseTokenCount = 21; 1337 TestRequires(__LINE__); 1338 1339 BaseCode = "template<typename T>\n" 1340 "Bar(T) -> Bar<T>;"; 1341 ConstrainedCode = "template<typename T>\n" 1342 " requires Foo<T>\n" 1343 "Bar(T) -> Bar<T>;"; 1344 BaseTokenCount = 16; 1345 TestRequires(__LINE__); 1346 1347 BaseCode = "template<typename T>\n" 1348 "T foo();"; 1349 ConstrainedCode = "template<typename T>\n" 1350 " requires Foo<T>\n" 1351 "T foo();"; 1352 BaseTokenCount = 11; 1353 TestRequires(__LINE__); 1354 1355 BaseCode = "template<typename T>\n" 1356 "T foo() {\n" 1357 " auto bar = baz();\n" 1358 " return bar + T{};\n" 1359 "}"; 1360 ConstrainedCode = "template<typename T>\n" 1361 " requires Foo<T>\n" 1362 "T foo() {\n" 1363 " auto bar = baz();\n" 1364 " return bar + T{};\n" 1365 "}"; 1366 BaseTokenCount = 26; 1367 TestRequires(__LINE__); 1368 1369 BaseCode = "template<typename T>\n" 1370 "T foo();"; 1371 ConstrainedCode = "template<typename T>\n" 1372 "T foo() requires Foo<T>;"; 1373 BaseTokenCount = 11; 1374 PrefixTokenCount = 9; 1375 TestRequires(__LINE__); 1376 1377 BaseCode = "template<typename T>\n" 1378 "T foo() {\n" 1379 " auto bar = baz();\n" 1380 " return bar + T{};\n" 1381 "}"; 1382 ConstrainedCode = "template<typename T>\n" 1383 "T foo() requires Foo<T> {\n" 1384 " auto bar = baz();\n" 1385 " return bar + T{};\n" 1386 "}"; 1387 BaseTokenCount = 26; 1388 TestRequires(__LINE__); 1389 1390 BaseCode = "template<typename T>\n" 1391 "T foo();"; 1392 ConstrainedCode = "template<typename T>\n" 1393 " requires(Foo<T>)\n" 1394 "T foo();"; 1395 BaseTokenCount = 11; 1396 RequiresTokenCount = 7; 1397 PrefixTokenCount = 5; 1398 TestRequires(__LINE__); 1399 1400 BaseCode = "template<typename T>\n" 1401 "Bar(T) -> Bar<typename T::I>;"; 1402 ConstrainedCode = "template<typename T>\n" 1403 " requires requires(T &&t) {\n" 1404 " typename T::I;\n" 1405 " }\n" 1406 "Bar(T) -> Bar<typename T::I>;"; 1407 BaseTokenCount = 19; 1408 RequiresTokenCount = 14; 1409 PrefixTokenCount = 5; 1410 TestRequires(__LINE__); 1411 1412 BaseCode = "struct [[nodiscard]] zero_t {\n" 1413 " template<class T>\n" 1414 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1415 "};"; 1416 ConstrainedCode = 1417 "struct [[nodiscard]] zero_t {\n" 1418 " template<class T>\n" 1419 " requires requires { v<T>; }\n" 1420 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1421 "};"; 1422 BaseTokenCount = 35; 1423 RequiresTokenCount = 9; 1424 PrefixTokenCount = 13; 1425 TestRequires(__LINE__); 1426 1427 BaseCode = "constexpr Foo(Foo const &other)\n" 1428 " : value{other.value} {\n" 1429 " do_magic();\n" 1430 " do_more_magic();\n" 1431 "}"; 1432 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1433 " requires std::is_copy_constructible<T>\n" 1434 " : value{other.value} {\n" 1435 " do_magic();\n" 1436 " do_more_magic();\n" 1437 "}"; 1438 BaseTokenCount = 26; 1439 RequiresTokenCount = 7; 1440 PrefixTokenCount = 8; 1441 TestRequires(__LINE__); 1442 1443 BaseCode = "constexpr Foo(Foo const &other)\n" 1444 " : value{other.value} {\n" 1445 " do_magic();\n" 1446 " do_more_magic();\n" 1447 "}"; 1448 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1449 " requires (std::is_copy_constructible<T>)\n" 1450 " : value{other.value} {\n" 1451 " do_magic();\n" 1452 " do_more_magic();\n" 1453 "}"; 1454 RequiresTokenCount = 9; 1455 TestRequires(__LINE__); 1456 1457 BaseCode = "template<typename T>\n" 1458 "ANNOTATE(\"S\"\n" 1459 " \"S\")\n" 1460 "void foo();"; 1461 ConstrainedCode = "template<typename T>\n" 1462 " requires(true)\n" 1463 "ANNOTATE(\"S\"\n" 1464 " \"S\")\n" 1465 "void foo();"; 1466 BaseTokenCount = 16; 1467 RequiresTokenCount = 4; 1468 PrefixTokenCount = 5; 1469 TestRequires(__LINE__); 1470 } 1471 1472 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1473 auto Tokens = annotate("__asm{\n" 1474 "a:\n" 1475 "};"); 1476 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1477 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1478 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1479 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1480 } 1481 1482 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1483 auto Tokens = annotate("int (^)() = ^ ()\n" 1484 " external_source_symbol() { //\n" 1485 " return 1;\n" 1486 "};"); 1487 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1488 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1489 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1490 1491 Tokens = annotate("int *p = ^int*(){ //\n" 1492 " return nullptr;\n" 1493 "}();"); 1494 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1495 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1496 } 1497 1498 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1499 auto Tokens = annotate("void f() {\n" 1500 " //\n" 1501 " BOOL a = [b.c n] > 1;\n" 1502 "}"); 1503 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1504 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1505 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1506 } 1507 1508 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1509 auto Tokens = annotate("[]() constexpr {}"); 1510 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1511 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1512 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1513 1514 Tokens = annotate("[]() consteval {}"); 1515 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1516 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1517 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1518 1519 Tokens = annotate("[]() mutable {}"); 1520 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1521 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1522 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1523 1524 Tokens = annotate("[]() static {}"); 1525 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1526 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1527 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1528 1529 Tokens = annotate("[]() -> auto {}"); 1530 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1531 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1532 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1533 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1534 1535 Tokens = annotate("[]() -> auto & {}"); 1536 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1537 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1538 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1539 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1540 1541 Tokens = annotate("[]() -> auto * {}"); 1542 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1543 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1544 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1545 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1546 1547 Tokens = annotate("[] {}"); 1548 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1549 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1550 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1551 1552 Tokens = annotate("[] noexcept {}"); 1553 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1554 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1555 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1556 1557 Tokens = annotate("[] -> auto {}"); 1558 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1559 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1560 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1561 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1562 1563 Tokens = annotate("[] <typename T> () {}"); 1564 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1565 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1566 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1567 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1568 1569 Tokens = annotate("[] <typename T> {}"); 1570 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1571 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1572 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1573 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1574 1575 Tokens = annotate("[] <typename... T> () {}"); 1576 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1577 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1578 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1579 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1580 1581 Tokens = annotate("[] <typename... T> {}"); 1582 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1583 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1584 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1585 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1586 1587 Tokens = annotate("[] <int... T> () {}"); 1588 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1589 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1590 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1591 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1592 1593 Tokens = annotate("[] <int... T> {}"); 1594 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1595 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1596 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1597 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1598 1599 Tokens = annotate("[] <Foo... T> () {}"); 1600 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1601 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1602 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1603 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1604 1605 Tokens = annotate("[] <Foo... T> {}"); 1606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1607 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1608 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1609 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1610 1611 // Lambdas with a requires-clause 1612 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1613 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1614 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1615 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1616 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1617 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1618 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1619 1620 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1621 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1622 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1623 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1624 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1625 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1626 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1627 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1628 1629 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1630 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1631 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1632 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1633 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1634 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1635 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1636 1637 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1638 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1639 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1640 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1641 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1642 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1643 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1644 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1645 1646 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1647 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1648 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1649 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1650 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1651 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1652 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1653 1654 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1655 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1656 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1657 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1658 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1659 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1660 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1661 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1662 1663 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1664 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1665 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1666 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1667 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1668 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1669 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1670 1671 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1672 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1673 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1674 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1675 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1676 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1677 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1678 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1679 1680 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1681 ASSERT_EQ(Tokens.size(), 14u) << 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::kw_requires, TT_RequiresClause); 1685 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1686 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1687 1688 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1689 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1690 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1691 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1692 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1693 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1694 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1695 1696 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1697 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1698 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1699 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1700 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1701 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1702 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1703 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1704 1705 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1706 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1707 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1708 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1709 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1710 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1711 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1712 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1713 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1714 1715 Tokens = annotate("[] <typename T = int> (T t) {}"); 1716 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1717 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1718 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1719 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1720 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1721 1722 Tokens = annotate("[] <int I = 0> (T t) {}"); 1723 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1724 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1725 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1726 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1727 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1728 1729 Tokens = annotate("[] <bool b = false> (T t) {}"); 1730 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1731 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1732 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1733 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1734 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1735 1736 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1737 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1738 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1739 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1740 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1741 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1742 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1743 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1744 1745 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1746 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1747 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1748 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1749 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1750 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1751 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1752 } 1753 1754 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1755 auto Tokens = annotate("template <typename T>\n" 1756 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1757 "string OldFunction(const string ¶meter) {}"); 1758 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1759 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1760 1761 Tokens = annotate("template <typename T>\n" 1762 "A(T) noexcept;"); 1763 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1764 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1765 } 1766 1767 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1768 auto Tokens = annotate("void f [[noreturn]] ();"); 1769 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1770 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1771 1772 Tokens = annotate("void f [[noreturn]] () {}"); 1773 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1774 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1775 1776 Tokens = annotate("#define FOO Foo::\n" 1777 "FOO Foo();"); 1778 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1779 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1780 1781 Tokens = annotate("struct Foo {\n" 1782 " Bar (*func)();\n" 1783 "};"); 1784 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1785 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1786 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1787 1788 Tokens = annotate("void instanceof();"); 1789 ASSERT_EQ(Tokens.size(), 6u); 1790 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1791 1792 Tokens = annotate("int iso_time(time_t);"); 1793 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1794 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1795 1796 auto Style = getLLVMStyle(); 1797 Style.TypeNames.push_back("MyType"); 1798 Tokens = annotate("int iso_time(MyType);", Style); 1799 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1800 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1801 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1802 } 1803 1804 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1805 auto Tokens = annotate("class Foo { public: Foo(); };"); 1806 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1807 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1808 1809 Tokens = annotate("class Foo { public: ~Foo(); };"); 1810 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1811 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1812 1813 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1814 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1815 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1816 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1817 1818 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1819 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1820 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1821 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1822 1823 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1824 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1825 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1826 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1827 1828 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1829 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1830 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1831 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1832 1833 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1834 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1835 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1836 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1837 1838 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1839 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1840 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1841 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1842 1843 Tokens = annotate("Foo::Foo() {}"); 1844 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1845 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1846 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1847 1848 Tokens = annotate("Foo::~Foo() {}"); 1849 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1850 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1851 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1852 1853 Tokens = annotate("struct Test {\n" 1854 " Test()\n" 1855 " : l([] {\n" 1856 " Short::foo();\n" 1857 " }) {}\n" 1858 "};"); 1859 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1860 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1861 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1862 } 1863 1864 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1865 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1866 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1867 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1868 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1869 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1870 } 1871 1872 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1873 auto Tokens = annotate("auto f() -> int;"); 1874 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1875 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1876 1877 Tokens = annotate("auto operator->() -> int;"); 1878 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1879 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1880 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1881 1882 Tokens = annotate("auto operator++(int) -> int;"); 1883 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1884 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1885 1886 Tokens = annotate("auto operator=() -> int;"); 1887 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1888 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1889 1890 Tokens = annotate("auto operator=(int) -> int;"); 1891 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1892 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1893 1894 Tokens = annotate("auto foo() -> auto { return Val; }"); 1895 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1896 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1897 1898 Tokens = annotate("struct S { auto bar() const -> int; };"); 1899 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1900 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1901 1902 // Not trailing return arrows 1903 Tokens = annotate("auto a = b->c;"); 1904 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1905 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1906 1907 Tokens = annotate("auto a = (b)->c;"); 1908 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1909 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1910 1911 Tokens = annotate("auto a = b()->c;"); 1912 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1913 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1914 1915 Tokens = annotate("auto a = b->c();"); 1916 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1917 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1918 1919 Tokens = annotate("decltype(auto) a = b()->c;"); 1920 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1921 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1922 1923 Tokens = annotate("void f() { auto a = b->c(); }"); 1924 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1925 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1926 1927 Tokens = annotate("void f() { auto a = b()->c; }"); 1928 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1929 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1930 1931 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1932 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1933 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1934 1935 Tokens = annotate("void f() FOO(foo->bar);"); 1936 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1937 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 1938 1939 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 1940 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1941 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1942 1943 // Mixed 1944 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1945 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1946 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1947 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1948 } 1949 1950 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 1951 auto Tokens = annotate("#define Foo(Bar) \\\n" 1952 " { \\\n" 1953 " #Bar \\\n" 1954 " }"); 1955 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1956 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1957 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1958 1959 Tokens = annotate("#define Foo(Bar) \\\n" 1960 " { #Bar }"); 1961 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1962 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1963 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1964 1965 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 1966 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 1967 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 1968 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 1969 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 1970 } 1971 1972 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 1973 // '__attribute__' has special handling. 1974 auto Tokens = annotate("__attribute__(X) void Foo(void);"); 1975 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1976 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1977 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1978 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1979 1980 // Generic macro has no special handling in this location. 1981 Tokens = annotate("A(X) void Foo(void);"); 1982 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1983 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 1984 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 1985 1986 // Add a custom AttributeMacro. Test that it has the same behavior. 1987 FormatStyle Style = getLLVMStyle(); 1988 Style.AttributeMacros.push_back("A"); 1989 1990 // An "AttributeMacro" gets annotated like '__attribute__'. 1991 Tokens = annotate("A(X) void Foo(void);", Style); 1992 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1993 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1994 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1995 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1996 } 1997 1998 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 1999 // '__attribute__' has special handling. 2000 auto Tokens = annotate("__attribute__(X) @interface Foo"); 2001 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2002 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2003 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2004 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2005 2006 // Generic macro has no special handling in this location. 2007 Tokens = annotate("A(X) @interface Foo"); 2008 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2009 // Note: Don't check token-type as a random token in this position is hard to 2010 // reason about. 2011 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2012 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2013 2014 // Add a custom AttributeMacro. Test that it has the same behavior. 2015 FormatStyle Style = getLLVMStyle(); 2016 Style.AttributeMacros.push_back("A"); 2017 2018 // An "AttributeMacro" gets annotated like '__attribute__'. 2019 Tokens = annotate("A(X) @interface Foo", Style); 2020 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2021 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2022 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2023 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2024 } 2025 2026 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2027 // '__attribute__' has special handling. 2028 auto Tokens = annotate("- (id)init __attribute__(X);"); 2029 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2030 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2031 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2032 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2033 2034 // Generic macro has no special handling in this location. 2035 Tokens = annotate("- (id)init A(X);"); 2036 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2037 // Note: Don't check token-type as a random token in this position is hard to 2038 // reason about. 2039 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2040 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2041 2042 // Add a custom AttributeMacro. Test that it has the same behavior. 2043 FormatStyle Style = getLLVMStyle(); 2044 Style.AttributeMacros.push_back("A"); 2045 2046 // An "AttributeMacro" gets annotated like '__attribute__'. 2047 Tokens = annotate("- (id)init A(X);", Style); 2048 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2049 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2050 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2051 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2052 } 2053 2054 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2055 // '__attribute__' has special handling. 2056 auto Tokens = annotate("@property(weak) id delegate __attribute__(X);"); 2057 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2058 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2059 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2060 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2061 2062 // Generic macro has no special handling in this location. 2063 Tokens = annotate("@property(weak) id delegate A(X);"); 2064 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2065 // Note: Don't check token-type as a random token in this position is hard to 2066 // reason about. 2067 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2068 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2069 2070 // Add a custom AttributeMacro. Test that it has the same behavior. 2071 FormatStyle Style = getLLVMStyle(); 2072 Style.AttributeMacros.push_back("A"); 2073 2074 // An "AttributeMacro" gets annotated like '__attribute__'. 2075 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2076 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2077 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2078 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2079 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2080 } 2081 2082 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2083 auto Annotate = [this](llvm::StringRef Code) { 2084 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2085 }; 2086 // Test that unary operators get labeled as such and that operators like '++' 2087 // don't get split. 2088 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2089 tok::tilde, tok::amp, tok::pipe, 2090 tok::caret, tok::plusplus, tok::minusminus}; 2091 for (auto Kind : Unary) { 2092 auto Tokens = 2093 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2094 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2095 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2096 } 2097 // Operators formed by joining two operators like '^~'. For some of these 2098 // joined operators, we don't have a separate type, so we only test for their 2099 // precedence. 2100 std::pair<prec::Level, std::string> JoinedBinary[] = { 2101 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2102 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2103 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2104 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2105 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2106 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2107 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2108 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2109 {prec::Equality, "!="}, {prec::Equality, "==="}, 2110 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2111 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2112 {prec::ExclusiveOr, "^~"}, 2113 }; 2114 for (auto Operator : JoinedBinary) { 2115 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2116 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2117 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2118 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2119 } 2120 // '~^' and '^~' can be unary as well as binary operators. 2121 auto Tokens = Annotate("x = ~^x;"); 2122 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2123 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2124 Tokens = Annotate("x = ^~x;"); 2125 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2126 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2127 // The unary operators '~&' and '~|' can only be unary operators. The current 2128 // implementation treats each of them as separate unary '~' and '&' or '|' 2129 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2130 // there is a test that there is no space in between. And even if a new line 2131 // is inserted between the '~' and '|', the semantic meaning is the same as 2132 // the joined operator, so the CanBreakBefore property doesn't need to be 2133 // false for the second operator. 2134 Tokens = Annotate("x = ~&x;"); 2135 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2136 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2137 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2138 Tokens = Annotate("x = ~|x;"); 2139 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2140 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2141 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2142 // Test for block label colons. 2143 Tokens = Annotate("begin : x\n" 2144 "end : x"); 2145 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2146 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2147 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2148 // Test that the dimension colon is annotated correctly. 2149 Tokens = Annotate("var [1 : 0] x;"); 2150 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2151 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2152 Tokens = Annotate("extern function [1 : 0] x;"); 2153 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2154 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2155 Tokens = Annotate("module test\n" 2156 " (input wire [7 : 0] a[7 : 0]);\n" 2157 "endmodule"); 2158 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2159 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2160 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2161 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2162 // Test case labels and ternary operators. 2163 Tokens = Annotate("case (x)\n" 2164 " x:\n" 2165 " x;\n" 2166 "endcase"); 2167 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2168 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2169 Tokens = Annotate("case (x)\n" 2170 " x ? x : x:\n" 2171 " x;\n" 2172 "endcase"); 2173 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2174 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2175 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2176 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2177 // Non-blocking assignments. 2178 Tokens = Annotate("a <= b;"); 2179 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2180 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2181 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2182 Tokens = Annotate("if (a <= b) break;"); 2183 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2184 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2185 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2186 Tokens = Annotate("a <= b <= a;"); 2187 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2188 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2189 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2190 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2191 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2192 2193 // Port lists in module instantiation. 2194 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2195 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2196 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2197 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2198 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2199 "instance_2(port_2);"); 2200 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2201 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2202 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2203 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2204 2205 // Condition parentheses. 2206 Tokens = Annotate("assert (x);"); 2207 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2208 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2209 Tokens = Annotate("assert #0 (x);"); 2210 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2211 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2212 Tokens = Annotate("assert final (x);"); 2213 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2214 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2215 Tokens = Annotate("foreach (x[x]) continue;"); 2216 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2217 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2218 Tokens = Annotate("repeat (x[x]) continue;"); 2219 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2220 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2221 Tokens = Annotate("case (x) endcase;"); 2222 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2223 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2224 2225 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2226 // future, please adapt if those tokens get annotated. This test is only here 2227 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2228 Tokens = Annotate("always @(posedge x, posedge y);"); 2229 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2230 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2231 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2232 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2233 2234 // String literals in concatenation. 2235 Tokens = Annotate("x = {\"\"};"); 2236 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2237 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2238 Tokens = Annotate("x = {\"\", \"\"};"); 2239 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2240 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2241 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2242 Tokens = Annotate("x = '{{\"\"}};"); 2243 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2244 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2245 // Cases where the string should not be annotated that type. Fix the 2246 // `TT_Unknown` if needed in the future. 2247 Tokens = Annotate("x = {\"\" == \"\"};"); 2248 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2249 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2250 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2251 Tokens = Annotate("x = {(\"\")};"); 2252 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2253 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2254 Tokens = Annotate("x = '{\"\"};"); 2255 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2256 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2257 } 2258 2259 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2260 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2261 ASSERT_TRUE(Style.isTableGen()); 2262 2263 TestLexer Lexer(Allocator, Buffers, Style); 2264 AdditionalKeywords Keywords(Lexer.IdentTable); 2265 auto Annotate = [&Lexer](llvm::StringRef Code) { 2266 return Lexer.annotate(Code); 2267 }; 2268 2269 // Additional keywords representation test. 2270 auto Tokens = Annotate("def foo : Bar<1>;"); 2271 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2272 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2273 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2274 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2275 2276 // Code, the multiline string token. 2277 Tokens = Annotate("[{ code is multiline string }]"); 2278 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2279 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2280 EXPECT_FALSE(Tokens[0]->IsMultiline); 2281 // Case with multiple lines. 2282 Tokens = Annotate("[{ It can break\n" 2283 " across lines and the line breaks\n" 2284 " are retained in \n" 2285 " the string. }]"); 2286 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2287 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2288 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2289 EXPECT_TRUE(Tokens[0]->IsMultiline); 2290 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2291 2292 // Numeric literals. 2293 Tokens = Annotate("1234"); 2294 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2295 Tokens = Annotate("-1"); 2296 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2297 Tokens = Annotate("+1234"); 2298 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2299 Tokens = Annotate("0b0110"); 2300 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2301 Tokens = Annotate("0x1abC"); 2302 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2303 2304 // Identifier tokens. In TableGen, identifiers can begin with a number. 2305 // In ambiguous cases, the lexer tries to lex it as a number. 2306 // Even if the try fails, it does not fall back to identifier lexing and 2307 // regard as an error. 2308 // The ambiguity is not documented. The result of those tests are based on the 2309 // implementation of llvm::TGLexer::LexToken. 2310 // This is invalid syntax of number, but not an identifier. 2311 Tokens = Annotate("0x1234x"); 2312 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2313 Tokens = Annotate("identifier"); 2314 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2315 // Identifier beginning with a number. 2316 Tokens = Annotate("0x"); 2317 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2318 Tokens = Annotate("2dVector"); 2319 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2320 Tokens = Annotate("01234Vector"); 2321 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2322 2323 // Structured statements. 2324 Tokens = Annotate("class Foo {}"); 2325 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2326 Tokens = Annotate("def Def: Foo {}"); 2327 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2328 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2329 Tokens = Annotate("if cond then {} else {}"); 2330 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2331 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2332 Tokens = Annotate("defset Foo Def2 = {}"); 2333 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2334 2335 // Bang Operators. 2336 Tokens = Annotate("!foreach"); 2337 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2338 Tokens = Annotate("!if"); 2339 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2340 Tokens = Annotate("!cond"); 2341 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2342 2343 auto AnnotateValue = [this, &Style](llvm::StringRef Code) { 2344 // Values are annotated only in specific context. 2345 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2346 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2347 }; 2348 // Both of bang/cond operators. 2349 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2350 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2351 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2352 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2353 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2354 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2355 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2356 // DAGArg values with operator identifier 2357 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2358 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2359 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2360 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2361 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2362 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2363 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2364 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2365 // List literal 2366 Tokens = AnnotateValue("[1, 2, 3]"); 2367 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2368 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2369 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2370 // Suffixes of values 2371 Tokens = AnnotateValue("valid.field"); 2372 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2373 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2374 // Code 2375 Tokens = AnnotateValue("[{ code is multiline string }]"); 2376 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2377 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2378 2379 // The definition 2380 Tokens = annotate("def Def : Parent<Child> {}", Style); 2381 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2382 // We use inheritance colon and function brace. They are enough. 2383 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2384 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2385 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2386 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2387 2388 // DAGArg breaking options. They use different token types depending on what 2389 // is specified. 2390 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2391 2392 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2393 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2394 // elements to have line break. 2395 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2396 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2397 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2398 EXPECT_TOKEN(Tokens[1], tok::identifier, 2399 TT_TableGenDAGArgOperatorID); // ins 2400 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2401 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2402 2403 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2404 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2405 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2406 EXPECT_TOKEN(Tokens[1], tok::identifier, 2407 TT_TableGenDAGArgOperatorID); // other 2408 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2409 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2410 2411 // For non-identifier operators, breaks after the operator. 2412 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2413 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2414 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2415 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2416 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2417 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2418 2419 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2420 2421 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2422 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2423 // to have line break inside it. 2424 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2425 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2426 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2427 EXPECT_TOKEN(Tokens[1], tok::identifier, 2428 TT_TableGenDAGArgOperatorToBreak); // ins 2429 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2430 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2431 2432 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2433 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2434 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2435 EXPECT_TOKEN(Tokens[1], tok::identifier, 2436 TT_TableGenDAGArgOperatorToBreak); // other 2437 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2438 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2439 2440 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2441 // specified operators. 2442 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2443 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2444 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2445 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2446 EXPECT_TOKEN(Tokens[1], tok::identifier, 2447 TT_TableGenDAGArgOperatorToBreak); // ins 2448 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2449 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2450 2451 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2452 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2453 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2454 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2455 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2456 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2457 2458 // If TableGenBreakingDAGArgOperators is enabled, it uses 2459 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2460 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2461 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2462 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2463 EXPECT_TOKEN(Tokens[1], tok::identifier, 2464 TT_TableGenDAGArgOperatorToBreak); // ins 2465 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2466 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2467 2468 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2469 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2470 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2471 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2472 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2473 } 2474 2475 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2476 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2477 2478 // The TT_Unknown is clearly not binding for the future, please adapt if those 2479 // tokens get annotated. 2480 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2481 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2482 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2483 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2484 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2485 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2486 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2487 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2488 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2489 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2490 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2491 2492 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2493 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2494 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2495 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2496 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2497 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2498 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2499 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2500 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2501 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2502 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2503 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2504 2505 Tokens = annotate("class Class {\n" 2506 " Class() : BaseClass() {\n" 2507 "#if 0\n" 2508 " // comment\n" 2509 "#endif\n" 2510 " }\n" 2511 " Class f();\n" 2512 "}"); 2513 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2514 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2515 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2516 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2517 } 2518 2519 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2520 auto Tokens = annotate("if (x) {}"); 2521 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2522 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2523 Tokens = annotate("if constexpr (x) {}"); 2524 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2525 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2526 Tokens = annotate("if CONSTEXPR (x) {}"); 2527 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2528 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2529 Tokens = annotate("if (x) {} else if (x) {}"); 2530 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2531 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2532 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2533 } 2534 2535 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2536 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2537 2538 auto Tokens = annotate("int? a;", Style); 2539 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2540 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2541 2542 Tokens = annotate("int? a = 1;", Style); 2543 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2544 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2545 2546 Tokens = annotate("int?)", Style); 2547 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2548 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2549 2550 Tokens = annotate("int?>", Style); 2551 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2552 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2553 2554 Tokens = annotate("cond? id : id2", Style); 2555 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2556 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2557 2558 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2559 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2560 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2561 } 2562 2563 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2564 auto Tokens = annotate("{ x: break; }"); 2565 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2566 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2567 Tokens = annotate("{ case x: break; }"); 2568 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2569 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2570 Tokens = annotate("{ x: { break; } }"); 2571 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2572 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2573 Tokens = annotate("{ case x: { break; } }"); 2574 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2575 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2576 } 2577 2578 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2579 // The closing braces are not annotated. It doesn't seem to cause a problem. 2580 // So we only test for the opening braces. 2581 auto Tokens = annotate("{\n" 2582 " {\n" 2583 " { int a = 0; }\n" 2584 " }\n" 2585 " {}\n" 2586 "}"); 2587 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2588 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2589 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2590 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2591 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2592 } 2593 2594 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2595 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2596 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2597 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2598 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2599 2600 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2601 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2602 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2603 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2604 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2605 2606 Tokens = annotate("SomeStruct {\n" 2607 "#ifdef FOO\n" 2608 " .a = 1,\n" 2609 "#endif\n" 2610 " .b = 2\n" 2611 "};"); 2612 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2613 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2614 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2615 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2616 2617 Tokens = annotate("SomeStruct {\n" 2618 "#if defined FOO\n" 2619 " .a = 1,\n" 2620 "#endif\n" 2621 " .b = 2\n" 2622 "};"); 2623 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2624 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2625 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2626 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2627 2628 Tokens = annotate("Foo foo[] = {[0]{}};"); 2629 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2630 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2631 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2632 } 2633 2634 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2635 auto Annotate = [this](llvm::StringRef Code) { 2636 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2637 }; 2638 2639 // Dictionary. 2640 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2641 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2642 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2643 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2644 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2645 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2646 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2647 // Change when we need to annotate these. 2648 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2649 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2650 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2651 } 2652 2653 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2654 auto Tokens = annotate("bool foo __attribute__((unused));"); 2655 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2656 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2657 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2658 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2659 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2660 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2661 2662 Tokens = annotate("bool foo __declspec(dllimport);"); 2663 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2664 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2665 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2666 2667 Tokens = annotate("bool __attribute__((unused)) foo;"); 2668 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2669 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2670 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2671 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2672 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2673 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2674 2675 Tokens = annotate("void __attribute__((x)) Foo();"); 2676 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2677 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2678 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2679 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2680 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2681 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2682 2683 FormatStyle Style = getLLVMStyle(); 2684 Style.AttributeMacros.push_back("FOO"); 2685 Tokens = annotate("bool foo FOO(unused);", Style); 2686 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2687 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2688 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2689 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2690 } 2691 2692 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2693 auto Tokens = annotate("while (true) {}"); 2694 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2695 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2696 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2697 2698 Tokens = annotate("for (;;) {}"); 2699 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2700 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2701 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2702 2703 Tokens = annotate("do {} while (true);"); 2704 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2705 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2706 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2707 2708 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2709 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2710 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2711 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2712 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2713 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2714 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2715 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2716 2717 Tokens = annotate("switch (foo) {}"); 2718 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2719 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2720 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2721 } 2722 2723 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2724 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2725 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2726 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2727 2728 Tokens = annotate("do ++i; while ( i > 5 );"); 2729 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2730 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2731 } 2732 2733 TEST_F(TokenAnnotatorTest, StartOfName) { 2734 auto Tokens = annotate("#pragma clang diagnostic push"); 2735 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2736 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2737 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2738 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2739 2740 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2741 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2742 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2743 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2744 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2745 2746 Tokens = annotate("#define FOO Foo foo"); 2747 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2748 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2749 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2750 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2751 2752 Tokens = annotate("@interface NSCoder (TestCoder)"); 2753 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2754 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2755 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2756 } 2757 2758 TEST_F(TokenAnnotatorTest, BraceKind) { 2759 auto Tokens = annotate("void f() {};"); 2760 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2761 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2762 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2763 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2764 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2765 2766 Tokens = annotate("class Foo<int> f() {}"); 2767 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2768 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2769 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2770 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2771 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2772 2773 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2774 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2775 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2776 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2777 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2778 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2779 2780 Tokens = annotate("void f() override {};"); 2781 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2782 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2783 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2784 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2785 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2786 2787 Tokens = annotate("void f() noexcept(false) {};"); 2788 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2789 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2790 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2791 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2792 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2793 2794 Tokens = annotate("auto f() -> void {};"); 2795 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2796 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2797 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2798 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2799 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2800 2801 Tokens = annotate("void f() { /**/ };"); 2802 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2803 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2804 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2805 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2806 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2807 2808 Tokens = annotate("void f() { //\n" 2809 "};"); 2810 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2811 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2812 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2813 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2814 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2815 2816 Tokens = annotate("void f() {\n" 2817 " //\n" 2818 "};"); 2819 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2820 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2821 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2822 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2823 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2824 2825 Tokens = annotate("struct Foo {\n" 2826 " Foo() {};\n" 2827 " ~Foo() {};\n" 2828 "};"); 2829 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2830 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2831 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2832 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2833 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2834 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2835 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2836 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2837 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2838 2839 Tokens = annotate("{\n" 2840 " char *a[] = {\n" 2841 " /* abc */ \"abc\",\n" 2842 "#if FOO\n" 2843 " /* xyz */ \"xyz\",\n" 2844 "#endif\n" 2845 " /* last */ \"last\"};\n" 2846 "}"); 2847 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2848 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2849 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2850 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 2851 2852 Tokens = 2853 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 2854 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 2855 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2856 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2857 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 2858 2859 Tokens = annotate("struct {};"); 2860 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2861 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2862 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2863 2864 Tokens = annotate("struct : Base {};"); 2865 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2866 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2867 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2868 2869 Tokens = annotate("struct Foo {};"); 2870 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2871 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2872 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2873 2874 Tokens = annotate("struct ::Foo {};"); 2875 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2876 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2877 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2878 2879 Tokens = annotate("struct NS::Foo {};"); 2880 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2881 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2882 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2883 2884 Tokens = annotate("struct Foo<int> {};"); 2885 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2886 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2887 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2888 2889 Tokens = annotate("struct Foo final {};"); 2890 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2891 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2892 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2893 2894 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 2895 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2896 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 2897 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 2898 2899 Tokens = annotate("struct Foo x{};"); 2900 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2901 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 2902 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2903 2904 Tokens = annotate("struct ::Foo x{};"); 2905 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2906 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2907 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 2908 2909 Tokens = annotate("struct NS::Foo x{};"); 2910 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2911 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 2912 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2913 2914 Tokens = annotate("struct Foo<int> x{};"); 2915 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2916 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2917 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2918 2919 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 2920 "#else\n" 2921 "#endif\n" 2922 "class RenderingServer : Object {\n" 2923 "#ifndef DISABLE_DEPRECATED\n" 2924 " enum Features {\n" 2925 " FEATURE_SHADERS,\n" 2926 " FEATURE_MULTITHREADED,\n" 2927 " };\n" 2928 "#endif\n" 2929 "};"); 2930 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2931 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 2932 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 2933 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 2934 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 2935 } 2936 2937 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 2938 auto Tokens = annotate("auto foo() -> enum En {}"); 2939 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2940 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2941 } 2942 2943 TEST_F(TokenAnnotatorTest, BlockLBrace) { 2944 auto Tokens = annotate("{\n" 2945 " {\n" 2946 " foo();\n" 2947 " }\n" 2948 "}"); 2949 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2950 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 2951 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2952 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 2953 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2954 2955 Tokens = annotate("void bar() {\n" 2956 " {\n" 2957 " foo();\n" 2958 " }\n" 2959 "}"); 2960 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2961 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2962 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2963 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 2964 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2965 } 2966 2967 } // namespace 2968 } // namespace format 2969 } // namespace clang 2970