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 macro(a) S {};"); 442 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 443 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 444 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 445 446 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 447 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 448 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 449 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 450 451 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 452 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 453 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 454 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 455 456 Tokens = annotate("struct macro(a) S {\n" 457 " void f(T &t);\n" 458 "};"); 459 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 460 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 461 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 462 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 463 464 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 465 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 466 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 467 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 468 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 469 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 470 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 471 472 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 473 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 474 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 475 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 476 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 477 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 478 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 479 480 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 481 " void f(T const (&a)[n]);\n" 482 "};"); 483 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 484 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 485 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 486 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 487 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 488 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 489 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 490 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 491 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 492 } 493 494 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 495 auto Tokens = annotate("union U {};"); 496 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 497 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 498 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 499 500 Tokens = annotate("union U { void f() { return; } };"); 501 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 502 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 503 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 504 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 505 } 506 507 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 508 auto Tokens = annotate("enum E {};"); 509 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 510 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 511 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 512 } 513 514 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 515 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 516 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 517 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 518 519 Tokens = annotate("template <typename T> void F(T) && = delete;"); 520 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 521 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 522 } 523 524 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 525 auto Tokens = 526 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 527 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 528 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 529 } 530 531 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 532 auto Tokens = 533 annotate("template <typename T> " 534 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 535 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 536 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 537 } 538 539 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 540 auto Tokens = 541 annotate("#define FOO(typeName) \\\n" 542 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 543 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 544 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 545 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 546 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 547 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 548 } 549 550 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 551 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 552 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 553 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 554 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 555 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 556 } 557 558 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 559 auto Tokens = annotate("return a < b && c > d;"); 560 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 561 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 562 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 563 564 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 565 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 566 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 567 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 568 569 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 570 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 571 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 572 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 573 } 574 575 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 576 FormatStyle Style = getLLVMStyle(); 577 Style.WhitespaceSensitiveMacros.push_back("FOO"); 578 579 auto Tokens = annotate("FOO(1+2 )", Style); 580 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 581 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 582 583 Tokens = annotate("FOO(a:b:c)", Style); 584 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 585 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 586 } 587 588 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 589 auto Tokens = annotate("delete (void *)p;"); 590 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 591 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 592 593 Tokens = annotate("delete[] (void *)p;"); 594 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 595 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 596 597 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 598 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 599 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 600 601 Tokens = annotate("delete[/*comment*/] (void *)p;"); 602 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 603 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 604 605 Tokens = annotate("delete/*comment*/[] (void *)p;"); 606 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 607 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 608 } 609 610 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 611 auto Tokens = annotate("(void)p;"); 612 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 613 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 614 615 Tokens = annotate("(uint32_t)&&label;"); 616 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 617 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 618 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 619 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 620 621 Tokens = annotate("auto x = (Foo)p;"); 622 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 623 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 624 625 Tokens = annotate("(std::vector<int>)p;"); 626 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 627 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 628 629 Tokens = annotate("return (Foo)p;"); 630 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 631 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 632 633 Tokens = annotate("throw (Foo)p;"); 634 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 635 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 636 637 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 638 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 639 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 640 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 641 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 642 643 Tokens = annotate("#define foo(i) ((i) - bar)"); 644 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 645 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 646 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 647 648 Tokens = annotate("return (Foo) & 10;"); 649 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 650 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 651 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 652 653 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 654 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 655 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 656 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 657 658 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 659 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 660 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 661 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 662 663 auto Style = getLLVMStyle(); 664 Style.TypeNames.push_back("Foo"); 665 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 666 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 667 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 668 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 669 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 670 } 671 672 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 673 auto Tokens = annotate("void f() throw(int);"); 674 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 675 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 676 } 677 678 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 679 auto Tokens = annotate("void f() &;"); 680 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 681 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 682 683 Tokens = annotate("void operator=(T) &&;"); 684 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 685 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 686 687 Tokens = annotate("template <typename T> void f() &;"); 688 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 689 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 690 691 Tokens = annotate("template <typename T> void operator=(T) &;"); 692 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 693 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 694 } 695 696 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 697 auto Tokens = annotate("x.operator+()"); 698 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 699 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 700 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 701 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 702 Tokens = annotate("x.operator=()"); 703 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 704 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 705 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 706 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 707 Tokens = annotate("x.operator+=()"); 708 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 709 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 710 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 711 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 712 Tokens = annotate("x.operator,()"); 713 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 714 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 715 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 716 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 717 Tokens = annotate("x.operator()()"); 718 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 719 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 720 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 721 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 722 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 723 Tokens = annotate("x.operator[]()"); 724 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 725 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 726 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 727 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 728 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 729 Tokens = annotate("x.operator\"\"_a()"); 730 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 731 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 732 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 733 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 734 Tokens = annotate("x.operator\"\" _a()"); 735 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 736 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 737 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 738 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 739 Tokens = annotate("x.operator\"\"if()"); 740 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 741 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 742 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 743 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 744 Tokens = annotate("x.operator\"\"s()"); 745 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 746 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 747 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 748 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 749 Tokens = annotate("x.operator\"\" s()"); 750 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 751 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 752 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 753 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 754 755 Tokens = annotate("int operator+(int);"); 756 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 757 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 758 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 759 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 760 Tokens = annotate("auto operator=(T&) {}"); 761 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 762 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 763 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 764 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 765 Tokens = annotate("auto operator()() {}"); 766 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 767 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 768 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 769 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 770 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 771 772 Tokens = annotate("class Foo {\n" 773 " int operator+(a* b);\n" 774 "}"); 775 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 776 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 777 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 778 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 779 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 780 781 Tokens = annotate("class Foo {\n" 782 " int c = operator+(a * b);\n" 783 "}"); 784 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 785 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 786 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 787 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 788 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 789 790 Tokens = annotate("void foo() {\n" 791 " operator+(a * b);\n" 792 "}"); 793 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 794 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 795 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 796 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 797 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 798 799 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 800 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 801 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 802 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 803 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 804 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 805 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 806 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 807 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 808 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 809 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 810 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 811 812 Tokens = annotate("class Foo {\n" 813 " void foo() {\n" 814 " operator+(a * b);\n" 815 " }\n" 816 "}"); 817 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 818 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 819 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 820 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 821 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 822 823 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 824 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 825 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 826 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 827 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 828 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 829 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 830 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 831 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 832 833 Tokens = annotate("decltype(auto) operator()(T &x);"); 834 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 835 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 836 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 837 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 838 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 839 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 840 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 841 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 842 } 843 844 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 845 struct { 846 const char *Text; 847 tok::TokenKind Kind; 848 } Operators[] = {{"+", tok::plus}, 849 {"-", tok::minus}, 850 // FIXME: 851 // {"*", tok::star}, 852 {"/", tok::slash}, 853 {"%", tok::percent}, 854 {"^", tok::caret}, 855 // FIXME: 856 // {"&", tok::amp}, 857 {"|", tok::pipe}, 858 {"~", tok::tilde}, 859 {"!", tok::exclaim}, 860 {"=", tok::equal}, 861 // FIXME: 862 // {"<", tok::less}, 863 {">", tok::greater}, 864 {"+=", tok::plusequal}, 865 {"-=", tok::minusequal}, 866 {"*=", tok::starequal}, 867 {"/=", tok::slashequal}, 868 {"%=", tok::percentequal}, 869 {"^=", tok::caretequal}, 870 {"&=", tok::ampequal}, 871 {"|=", tok::pipeequal}, 872 {"<<", tok::lessless}, 873 {">>", tok::greatergreater}, 874 {">>=", tok::greatergreaterequal}, 875 {"<<=", tok::lesslessequal}, 876 {"==", tok::equalequal}, 877 {"!=", tok::exclaimequal}, 878 {"<=", tok::lessequal}, 879 {">=", tok::greaterequal}, 880 {"<=>", tok::spaceship}, 881 {"&&", tok::ampamp}, 882 {"||", tok::pipepipe}, 883 {"++", tok::plusplus}, 884 {"--", tok::minusminus}, 885 {",", tok::comma}, 886 {"->*", tok::arrowstar}, 887 {"->", tok::arrow}}; 888 889 for (const auto &Operator : Operators) { 890 std::string Input("C<&operator"); 891 Input += Operator.Text; 892 Input += " > a;"; 893 auto Tokens = annotate(std::string(Input)); 894 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 895 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 896 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 897 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 898 } 899 900 auto Tokens = annotate("C<&operator< <X>> lt;"); 901 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 902 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 903 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 904 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 905 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 906 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 907 } 908 909 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 910 auto Tokens = annotate("template <typename T>\n" 911 "concept C = (Foo && Bar) && (Bar && Baz);"); 912 913 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 914 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 915 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 916 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 917 918 Tokens = annotate("template <typename T>\n" 919 "concept C = Foo && !Bar;"); 920 921 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 922 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 923 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 924 925 Tokens = annotate("template <typename T>\n" 926 "concept C = requires(T t) {\n" 927 " { t.foo() };\n" 928 "} && Bar<T> && Baz<T>;"); 929 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 930 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 931 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 932 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 933 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 934 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 935 936 Tokens = annotate("template<typename T>\n" 937 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 938 "struct Foo;"); 939 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 940 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 941 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 942 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 943 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 944 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 945 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 946 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 947 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 948 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 949 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 950 951 Tokens = 952 annotate("template<typename T>\n" 953 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 954 "struct Foo;"); 955 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 956 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 957 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 958 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 959 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 960 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 961 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 962 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 963 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 964 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 965 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 966 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 967 968 Tokens = annotate("template <typename T>\n" 969 "void foo(T) noexcept requires Bar<T>;"); 970 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 971 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 972 973 Tokens = annotate("template <typename T>\n" 974 "requires Bar<T> || Baz<T>\n" 975 "auto foo(T) -> int;"); 976 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 977 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 978 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 979 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 980 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 981 982 Tokens = annotate("template <typename T>\n" 983 "requires Bar<T>\n" 984 "bool foo(T) { return false; }"); 985 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 986 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 987 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 988 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 989 990 Tokens = annotate("template <typename T>\n" 991 "requires Bar<T>\n" 992 "decltype(auto) foo(T) { return false; }"); 993 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 994 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 995 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 996 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 997 998 Tokens = annotate("template <typename T>\n" 999 "struct S {\n" 1000 " void foo() const requires Bar<T>;\n" 1001 " void bar() const & requires Baz<T>;\n" 1002 " void bar() && requires Baz2<T>;\n" 1003 " void baz() const & noexcept requires Baz<T>;\n" 1004 " void baz() && noexcept requires Baz2<T>;\n" 1005 "};\n" 1006 "\n" 1007 "void S::bar() const & requires Baz<T> { }"); 1008 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1009 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1010 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1011 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1012 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1013 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1014 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1015 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1016 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1017 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1018 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1019 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1020 1021 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1022 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1023 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1024 1025 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1026 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1027 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1028 1029 Tokens = 1030 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1031 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1032 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1033 1034 Tokens = annotate("void Class::member() && requires(typename " 1035 "Namespace::Outer<T>::Inner::Constant) {}"); 1036 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1037 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1038 1039 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1040 " template<class T>\n" 1041 " requires requires { number_zero_v<T>; }\n" 1042 " [[nodiscard]] constexpr operator T() const { " 1043 "return number_zero_v<T>; }\n" 1044 "};"); 1045 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1046 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1047 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1048 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1049 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1050 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1051 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1052 1053 Tokens = 1054 annotate("template <class A, class B> concept C =" 1055 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1056 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1057 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1058 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1059 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1060 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1061 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1062 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1063 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1064 1065 Tokens = annotate("auto bar() -> int 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 = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1070 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1071 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1072 1073 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1074 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1075 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1076 1077 Tokens = 1078 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1079 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1080 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1081 1082 Tokens = 1083 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1084 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1085 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1086 1087 Tokens = 1088 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1089 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1090 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1091 1092 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1093 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1094 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1095 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1096 1097 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1098 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1099 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1100 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1101 1102 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1103 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1104 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1105 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1106 1107 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1108 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1109 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1110 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1111 1112 Tokens = annotate("void f() & requires(true) {}"); 1113 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1114 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1115 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1116 1117 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1118 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1119 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1120 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1121 1122 Tokens = annotate("template <typename T>\n" 1123 "concept C = (!Foo<T>) && Bar;"); 1124 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1125 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1126 1127 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1128 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1129 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1130 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1131 1132 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1133 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1134 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1135 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1136 1137 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1138 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1139 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1140 1141 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1142 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1143 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1144 1145 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1146 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1147 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1148 } 1149 1150 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1151 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1152 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1153 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1154 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1155 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1156 1157 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1158 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1159 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1160 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1161 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1162 1163 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1164 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1165 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1166 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1167 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1168 1169 Tokens = annotate("foo(requires(const T t) {});"); 1170 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1171 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1172 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1173 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1174 1175 Tokens = annotate("foo(requires(const int t) {});"); 1176 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1177 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1178 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1179 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1180 1181 Tokens = annotate("foo(requires(const T t) {});"); 1182 ASSERT_EQ(Tokens.size(), 13u) << 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[8], tok::l_brace, TT_RequiresExpressionLBrace); 1186 1187 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1188 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1189 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1190 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1191 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1192 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1193 1194 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1195 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1196 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1197 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1198 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1199 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1200 1201 Tokens = annotate("foo(requires(T& t) {});"); 1202 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1203 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1204 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1205 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1206 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1207 1208 Tokens = annotate("foo(requires(T&& t) {});"); 1209 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1210 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1211 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1212 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1213 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1214 1215 Tokens = annotate("bool foo = requires(T& t) {};"); 1216 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1217 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1218 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1219 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1220 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1221 1222 Tokens = annotate("bool foo = requires(T&& t) {};"); 1223 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1224 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1225 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1226 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1227 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1228 1229 Tokens = 1230 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1231 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1232 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1233 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1234 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1235 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1236 1237 Tokens = annotate("template <typename T>\n" 1238 "concept C = requires(T T) {\n" 1239 " requires Bar<T> && Foo<T>;\n" 1240 "};"); 1241 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1242 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1243 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1244 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1245 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1246 TT_RequiresClauseInARequiresExpression); 1247 1248 Tokens = annotate("template <typename T>\n" 1249 "concept C = requires(T T) {\n" 1250 " { t.func() } -> std::same_as<int>;" 1251 " requires Bar<T> && Foo<T>;\n" 1252 "};"); 1253 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1254 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1255 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1256 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1257 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1258 TT_RequiresClauseInARequiresExpression); 1259 1260 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1261 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1262 "requires true; };"); 1263 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1264 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1265 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1266 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1267 1268 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1269 " { c.foo(); }\n" 1270 "};"); 1271 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1272 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1273 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1274 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1275 } 1276 1277 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1278 // Everything after #pragma region should be ImplicitStringLiteral 1279 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1280 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1281 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1282 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1283 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1284 1285 // Make sure it's annotated correctly inside a function as well 1286 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1287 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1288 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1289 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1290 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1291 } 1292 1293 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1294 const char *BaseCode = nullptr; 1295 const char *ConstrainedCode = nullptr; 1296 auto BaseTokenCount = 0u; 1297 auto RequiresTokenCount = 0u; 1298 auto PrefixTokenCount = 0u; 1299 1300 auto TestRequires = [&](int Line) { 1301 const auto BaseTokens = annotate(BaseCode); 1302 const auto ConstrainedTokens = annotate(ConstrainedCode); 1303 1304 #define LINE " (Line " << Line << ')' 1305 1306 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1307 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1308 << LINE; 1309 1310 for (auto I = 0u; I < BaseTokenCount; ++I) { 1311 EXPECT_EQ( 1312 *BaseTokens[I], 1313 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1314 << I << LINE; 1315 } 1316 1317 #undef LINE 1318 }; 1319 1320 BaseCode = "template<typename T>\n" 1321 "T Pi = 3.14;"; 1322 ConstrainedCode = "template<typename T>\n" 1323 " requires Foo<T>\n" 1324 "T Pi = 3.14;"; 1325 BaseTokenCount = 11; 1326 RequiresTokenCount = 5; 1327 PrefixTokenCount = 5; 1328 TestRequires(__LINE__); 1329 1330 BaseCode = "template<typename T>\n" 1331 "struct Bar;"; 1332 ConstrainedCode = "template<typename T>\n" 1333 " requires Foo<T>\n" 1334 "struct Bar;"; 1335 BaseTokenCount = 9; 1336 TestRequires(__LINE__); 1337 1338 BaseCode = "template<typename T>\n" 1339 "struct Bar {\n" 1340 " T foo();\n" 1341 " T bar();\n" 1342 "};"; 1343 ConstrainedCode = "template<typename T>\n" 1344 " requires Foo<T>\n" 1345 "struct Bar {\n" 1346 " T foo();\n" 1347 " T bar();\n" 1348 "};"; 1349 BaseTokenCount = 21; 1350 TestRequires(__LINE__); 1351 1352 BaseCode = "template<typename T>\n" 1353 "Bar(T) -> Bar<T>;"; 1354 ConstrainedCode = "template<typename T>\n" 1355 " requires Foo<T>\n" 1356 "Bar(T) -> Bar<T>;"; 1357 BaseTokenCount = 16; 1358 TestRequires(__LINE__); 1359 1360 BaseCode = "template<typename T>\n" 1361 "T foo();"; 1362 ConstrainedCode = "template<typename T>\n" 1363 " requires Foo<T>\n" 1364 "T foo();"; 1365 BaseTokenCount = 11; 1366 TestRequires(__LINE__); 1367 1368 BaseCode = "template<typename T>\n" 1369 "T foo() {\n" 1370 " auto bar = baz();\n" 1371 " return bar + T{};\n" 1372 "}"; 1373 ConstrainedCode = "template<typename T>\n" 1374 " requires Foo<T>\n" 1375 "T foo() {\n" 1376 " auto bar = baz();\n" 1377 " return bar + T{};\n" 1378 "}"; 1379 BaseTokenCount = 26; 1380 TestRequires(__LINE__); 1381 1382 BaseCode = "template<typename T>\n" 1383 "T foo();"; 1384 ConstrainedCode = "template<typename T>\n" 1385 "T foo() requires Foo<T>;"; 1386 BaseTokenCount = 11; 1387 PrefixTokenCount = 9; 1388 TestRequires(__LINE__); 1389 1390 BaseCode = "template<typename T>\n" 1391 "T foo() {\n" 1392 " auto bar = baz();\n" 1393 " return bar + T{};\n" 1394 "}"; 1395 ConstrainedCode = "template<typename T>\n" 1396 "T foo() requires Foo<T> {\n" 1397 " auto bar = baz();\n" 1398 " return bar + T{};\n" 1399 "}"; 1400 BaseTokenCount = 26; 1401 TestRequires(__LINE__); 1402 1403 BaseCode = "template<typename T>\n" 1404 "T foo();"; 1405 ConstrainedCode = "template<typename T>\n" 1406 " requires(Foo<T>)\n" 1407 "T foo();"; 1408 BaseTokenCount = 11; 1409 RequiresTokenCount = 7; 1410 PrefixTokenCount = 5; 1411 TestRequires(__LINE__); 1412 1413 BaseCode = "template<typename T>\n" 1414 "Bar(T) -> Bar<typename T::I>;"; 1415 ConstrainedCode = "template<typename T>\n" 1416 " requires requires(T &&t) {\n" 1417 " typename T::I;\n" 1418 " }\n" 1419 "Bar(T) -> Bar<typename T::I>;"; 1420 BaseTokenCount = 19; 1421 RequiresTokenCount = 14; 1422 PrefixTokenCount = 5; 1423 TestRequires(__LINE__); 1424 1425 BaseCode = "struct [[nodiscard]] zero_t {\n" 1426 " template<class T>\n" 1427 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1428 "};"; 1429 ConstrainedCode = 1430 "struct [[nodiscard]] zero_t {\n" 1431 " template<class T>\n" 1432 " requires requires { v<T>; }\n" 1433 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1434 "};"; 1435 BaseTokenCount = 35; 1436 RequiresTokenCount = 9; 1437 PrefixTokenCount = 13; 1438 TestRequires(__LINE__); 1439 1440 BaseCode = "constexpr Foo(Foo const &other)\n" 1441 " : value{other.value} {\n" 1442 " do_magic();\n" 1443 " do_more_magic();\n" 1444 "}"; 1445 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1446 " requires std::is_copy_constructible<T>\n" 1447 " : value{other.value} {\n" 1448 " do_magic();\n" 1449 " do_more_magic();\n" 1450 "}"; 1451 BaseTokenCount = 26; 1452 RequiresTokenCount = 7; 1453 PrefixTokenCount = 8; 1454 TestRequires(__LINE__); 1455 1456 BaseCode = "constexpr Foo(Foo const &other)\n" 1457 " : value{other.value} {\n" 1458 " do_magic();\n" 1459 " do_more_magic();\n" 1460 "}"; 1461 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1462 " requires (std::is_copy_constructible<T>)\n" 1463 " : value{other.value} {\n" 1464 " do_magic();\n" 1465 " do_more_magic();\n" 1466 "}"; 1467 RequiresTokenCount = 9; 1468 TestRequires(__LINE__); 1469 1470 BaseCode = "template<typename T>\n" 1471 "ANNOTATE(\"S\"\n" 1472 " \"S\")\n" 1473 "void foo();"; 1474 ConstrainedCode = "template<typename T>\n" 1475 " requires(true)\n" 1476 "ANNOTATE(\"S\"\n" 1477 " \"S\")\n" 1478 "void foo();"; 1479 BaseTokenCount = 16; 1480 RequiresTokenCount = 4; 1481 PrefixTokenCount = 5; 1482 TestRequires(__LINE__); 1483 } 1484 1485 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1486 auto Tokens = annotate("__asm{\n" 1487 "a:\n" 1488 "};"); 1489 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1490 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1491 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1492 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1493 } 1494 1495 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1496 auto Tokens = annotate("int (^)() = ^ ()\n" 1497 " external_source_symbol() { //\n" 1498 " return 1;\n" 1499 "};"); 1500 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1501 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1502 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1503 1504 Tokens = annotate("int *p = ^int*(){ //\n" 1505 " return nullptr;\n" 1506 "}();"); 1507 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1508 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1509 } 1510 1511 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1512 auto Tokens = annotate("void f() {\n" 1513 " //\n" 1514 " BOOL a = [b.c n] > 1;\n" 1515 "}"); 1516 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1517 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1518 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1519 } 1520 1521 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1522 auto Tokens = annotate("[]() constexpr {}"); 1523 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1524 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1525 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1526 1527 Tokens = annotate("[]() consteval {}"); 1528 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1529 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1530 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1531 1532 Tokens = annotate("[]() mutable {}"); 1533 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1534 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1535 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1536 1537 Tokens = annotate("[]() static {}"); 1538 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1539 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1540 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1541 1542 Tokens = annotate("[]() -> auto {}"); 1543 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1544 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1545 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1546 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1547 1548 Tokens = annotate("[]() -> auto & {}"); 1549 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1550 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1551 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1552 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1553 1554 Tokens = annotate("[]() -> auto * {}"); 1555 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1556 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1557 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1558 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1559 1560 Tokens = annotate("[] {}"); 1561 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1562 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1563 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1564 1565 Tokens = annotate("[] noexcept {}"); 1566 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1567 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1568 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1569 1570 Tokens = annotate("[] -> auto {}"); 1571 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1572 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1573 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1574 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1575 1576 Tokens = annotate("[] <typename T> () {}"); 1577 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1578 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1579 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1580 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1581 1582 Tokens = annotate("[] <typename T> {}"); 1583 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1584 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1585 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1586 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1587 1588 Tokens = annotate("[] <typename... T> () {}"); 1589 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1590 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1591 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1592 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1593 1594 Tokens = annotate("[] <typename... T> {}"); 1595 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1596 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1597 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1598 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1599 1600 Tokens = annotate("[] <int... T> () {}"); 1601 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1602 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1603 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1604 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1605 1606 Tokens = annotate("[] <int... T> {}"); 1607 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1608 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1609 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1610 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1611 1612 Tokens = annotate("[] <Foo... T> () {}"); 1613 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1614 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1615 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1616 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1617 1618 Tokens = annotate("[] <Foo... T> {}"); 1619 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1620 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1621 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1622 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1623 1624 // Lambdas with a requires-clause 1625 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1626 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1627 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1628 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1629 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1630 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1631 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1632 1633 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1634 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1635 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1636 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1637 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1638 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1639 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1640 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1641 1642 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1643 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1644 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1645 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1646 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1647 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1648 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1649 1650 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1651 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1652 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1653 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1654 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1655 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1656 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1657 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1658 1659 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1660 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1661 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1662 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1663 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1664 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1665 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1666 1667 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1668 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1669 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1670 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1671 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1672 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1673 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1674 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1675 1676 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1677 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1678 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1679 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1680 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1681 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1682 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1683 1684 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1685 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1686 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1687 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1688 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1689 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1690 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1691 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1692 1693 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1694 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1695 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1696 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1697 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1698 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1699 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1700 1701 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1702 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1703 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1704 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1705 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1706 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1707 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1708 1709 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1710 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1711 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1712 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1713 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1714 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1715 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1716 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1717 1718 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1719 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1720 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1721 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1722 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1723 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1724 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1725 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1726 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1727 1728 Tokens = annotate("[] <typename T = int> (T t) {}"); 1729 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1730 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1731 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1732 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1733 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1734 1735 Tokens = annotate("[] <int I = 0> (T t) {}"); 1736 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1737 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1738 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1739 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1740 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1741 1742 Tokens = annotate("[] <bool b = false> (T t) {}"); 1743 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1744 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1745 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1746 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1747 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1748 1749 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1750 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1751 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1752 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1753 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1754 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1755 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1756 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1757 1758 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1759 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1760 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1761 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1762 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1763 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1764 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1765 } 1766 1767 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1768 auto Tokens = annotate("template <typename T>\n" 1769 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1770 "string OldFunction(const string ¶meter) {}"); 1771 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1772 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1773 1774 Tokens = annotate("template <typename T>\n" 1775 "A(T) noexcept;"); 1776 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1777 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1778 } 1779 1780 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1781 auto Tokens = annotate("void f [[noreturn]] ();"); 1782 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1783 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1784 1785 Tokens = annotate("void f [[noreturn]] () {}"); 1786 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1787 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1788 1789 Tokens = annotate("#define FOO Foo::\n" 1790 "FOO Foo();"); 1791 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1792 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1793 1794 Tokens = annotate("struct Foo {\n" 1795 " Bar (*func)();\n" 1796 "};"); 1797 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1798 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1799 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1800 1801 Tokens = annotate("void instanceof();"); 1802 ASSERT_EQ(Tokens.size(), 6u); 1803 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1804 1805 Tokens = annotate("int iso_time(time_t);"); 1806 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1807 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1808 1809 auto Style = getLLVMStyle(); 1810 Style.TypeNames.push_back("MyType"); 1811 Tokens = annotate("int iso_time(MyType);", Style); 1812 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1813 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1814 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1815 } 1816 1817 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1818 auto Tokens = annotate("class Foo { public: Foo(); };"); 1819 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1820 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1821 1822 Tokens = annotate("class Foo { public: ~Foo(); };"); 1823 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1824 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1825 1826 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1827 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1828 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1829 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1830 1831 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1832 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1833 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1834 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1835 1836 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1837 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1838 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1839 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1840 1841 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1842 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1843 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1844 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1845 1846 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1847 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1848 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1849 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1850 1851 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1852 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1853 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1854 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1855 1856 Tokens = annotate("Foo::Foo() {}"); 1857 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1858 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1859 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1860 1861 Tokens = annotate("Foo::~Foo() {}"); 1862 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1863 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1864 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1865 1866 Tokens = annotate("struct Test {\n" 1867 " Test()\n" 1868 " : l([] {\n" 1869 " Short::foo();\n" 1870 " }) {}\n" 1871 "};"); 1872 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1873 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1874 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1875 } 1876 1877 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1878 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1879 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1880 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1881 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1882 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1883 } 1884 1885 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1886 auto Tokens = annotate("auto f() -> int;"); 1887 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1888 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1889 1890 Tokens = annotate("auto operator->() -> int;"); 1891 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1892 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1893 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1894 1895 Tokens = annotate("auto operator++(int) -> int;"); 1896 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1897 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1898 1899 Tokens = annotate("auto operator=() -> int;"); 1900 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1901 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1902 1903 Tokens = annotate("auto operator=(int) -> int;"); 1904 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1905 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1906 1907 Tokens = annotate("auto foo() -> auto { return Val; }"); 1908 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1909 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1910 1911 Tokens = annotate("struct S { auto bar() const -> int; };"); 1912 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1913 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1914 1915 // Not trailing return arrows 1916 Tokens = annotate("auto a = b->c;"); 1917 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1918 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1919 1920 Tokens = annotate("auto a = (b)->c;"); 1921 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1922 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1923 1924 Tokens = annotate("auto a = b()->c;"); 1925 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1926 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1927 1928 Tokens = annotate("auto a = b->c();"); 1929 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1930 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1931 1932 Tokens = annotate("decltype(auto) a = b()->c;"); 1933 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1934 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1935 1936 Tokens = annotate("void f() { auto a = b->c(); }"); 1937 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1938 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1939 1940 Tokens = annotate("void f() { auto a = b()->c; }"); 1941 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1942 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1943 1944 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1945 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1946 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1947 1948 Tokens = annotate("void f() FOO(foo->bar);"); 1949 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1950 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 1951 1952 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 1953 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1954 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1955 1956 // Mixed 1957 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1958 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1959 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1960 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1961 } 1962 1963 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 1964 auto Tokens = annotate("#define Foo(Bar) \\\n" 1965 " { \\\n" 1966 " #Bar \\\n" 1967 " }"); 1968 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1969 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1970 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1971 1972 Tokens = annotate("#define Foo(Bar) \\\n" 1973 " { #Bar }"); 1974 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1975 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1976 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1977 1978 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 1979 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 1980 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 1981 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 1982 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 1983 } 1984 1985 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 1986 // '__attribute__' has special handling. 1987 auto Tokens = annotate("__attribute__(X) void Foo(void);"); 1988 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1989 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1990 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1991 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1992 1993 // Generic macro has no special handling in this location. 1994 Tokens = annotate("A(X) void Foo(void);"); 1995 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1996 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 1997 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 1998 1999 // Add a custom AttributeMacro. Test that it has the same behavior. 2000 FormatStyle Style = getLLVMStyle(); 2001 Style.AttributeMacros.push_back("A"); 2002 2003 // An "AttributeMacro" gets annotated like '__attribute__'. 2004 Tokens = annotate("A(X) void Foo(void);", Style); 2005 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2006 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2007 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2008 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2009 } 2010 2011 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2012 // '__attribute__' has special handling. 2013 auto Tokens = annotate("__attribute__(X) @interface Foo"); 2014 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2015 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2016 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2017 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2018 2019 // Generic macro has no special handling in this location. 2020 Tokens = annotate("A(X) @interface Foo"); 2021 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2022 // Note: Don't check token-type as a random token in this position is hard to 2023 // reason about. 2024 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2025 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2026 2027 // Add a custom AttributeMacro. Test that it has the same behavior. 2028 FormatStyle Style = getLLVMStyle(); 2029 Style.AttributeMacros.push_back("A"); 2030 2031 // An "AttributeMacro" gets annotated like '__attribute__'. 2032 Tokens = annotate("A(X) @interface Foo", Style); 2033 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2034 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2035 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2036 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2037 } 2038 2039 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2040 // '__attribute__' has special handling. 2041 auto Tokens = annotate("- (id)init __attribute__(X);"); 2042 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2043 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2044 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2045 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2046 2047 // Generic macro has no special handling in this location. 2048 Tokens = annotate("- (id)init A(X);"); 2049 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2050 // Note: Don't check token-type as a random token in this position is hard to 2051 // reason about. 2052 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2053 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2054 2055 // Add a custom AttributeMacro. Test that it has the same behavior. 2056 FormatStyle Style = getLLVMStyle(); 2057 Style.AttributeMacros.push_back("A"); 2058 2059 // An "AttributeMacro" gets annotated like '__attribute__'. 2060 Tokens = annotate("- (id)init A(X);", Style); 2061 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2062 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2063 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2064 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2065 } 2066 2067 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2068 // '__attribute__' has special handling. 2069 auto Tokens = annotate("@property(weak) id delegate __attribute__(X);"); 2070 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2071 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2072 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2073 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2074 2075 // Generic macro has no special handling in this location. 2076 Tokens = annotate("@property(weak) id delegate A(X);"); 2077 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2078 // Note: Don't check token-type as a random token in this position is hard to 2079 // reason about. 2080 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2081 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2082 2083 // Add a custom AttributeMacro. Test that it has the same behavior. 2084 FormatStyle Style = getLLVMStyle(); 2085 Style.AttributeMacros.push_back("A"); 2086 2087 // An "AttributeMacro" gets annotated like '__attribute__'. 2088 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2089 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2090 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2091 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2092 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2093 } 2094 2095 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2096 auto Annotate = [this](llvm::StringRef Code) { 2097 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2098 }; 2099 // Test that unary operators get labeled as such and that operators like '++' 2100 // don't get split. 2101 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2102 tok::tilde, tok::amp, tok::pipe, 2103 tok::caret, tok::plusplus, tok::minusminus}; 2104 for (auto Kind : Unary) { 2105 auto Tokens = 2106 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2107 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2108 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2109 } 2110 // Operators formed by joining two operators like '^~'. For some of these 2111 // joined operators, we don't have a separate type, so we only test for their 2112 // precedence. 2113 std::pair<prec::Level, std::string> JoinedBinary[] = { 2114 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2115 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2116 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2117 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2118 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2119 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2120 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2121 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2122 {prec::Equality, "!="}, {prec::Equality, "==="}, 2123 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2124 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2125 {prec::ExclusiveOr, "^~"}, 2126 }; 2127 for (auto Operator : JoinedBinary) { 2128 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2129 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2130 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2131 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2132 } 2133 // '~^' and '^~' can be unary as well as binary operators. 2134 auto Tokens = Annotate("x = ~^x;"); 2135 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2136 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2137 Tokens = Annotate("x = ^~x;"); 2138 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2139 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2140 // The unary operators '~&' and '~|' can only be unary operators. The current 2141 // implementation treats each of them as separate unary '~' and '&' or '|' 2142 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2143 // there is a test that there is no space in between. And even if a new line 2144 // is inserted between the '~' and '|', the semantic meaning is the same as 2145 // the joined operator, so the CanBreakBefore property doesn't need to be 2146 // false for the second operator. 2147 Tokens = Annotate("x = ~&x;"); 2148 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2149 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2150 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2151 Tokens = Annotate("x = ~|x;"); 2152 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2153 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2154 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2155 // Test for block label colons. 2156 Tokens = Annotate("begin : x\n" 2157 "end : x"); 2158 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2159 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2160 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2161 // Test that the dimension colon is annotated correctly. 2162 Tokens = Annotate("var [1 : 0] x;"); 2163 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2164 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2165 Tokens = Annotate("extern function [1 : 0] x;"); 2166 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2167 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2168 Tokens = Annotate("module test\n" 2169 " (input wire [7 : 0] a[7 : 0]);\n" 2170 "endmodule"); 2171 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2172 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2173 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2174 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2175 // Test case labels and ternary operators. 2176 Tokens = Annotate("case (x)\n" 2177 " x:\n" 2178 " x;\n" 2179 "endcase"); 2180 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2181 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2182 Tokens = Annotate("case (x)\n" 2183 " x ? x : x:\n" 2184 " x;\n" 2185 "endcase"); 2186 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2187 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2188 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2189 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2190 // Non-blocking assignments. 2191 Tokens = Annotate("a <= b;"); 2192 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2193 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2194 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2195 Tokens = Annotate("if (a <= b) break;"); 2196 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2197 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2198 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2199 Tokens = Annotate("a <= b <= a;"); 2200 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2201 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2202 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2203 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2204 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2205 2206 // Port lists in module instantiation. 2207 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2208 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2209 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2210 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2211 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2212 "instance_2(port_2);"); 2213 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2214 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2215 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2216 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2217 2218 // Condition parentheses. 2219 Tokens = Annotate("assert (x);"); 2220 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2221 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2222 Tokens = Annotate("assert #0 (x);"); 2223 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2224 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2225 Tokens = Annotate("assert final (x);"); 2226 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2227 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2228 Tokens = Annotate("foreach (x[x]) continue;"); 2229 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2230 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2231 Tokens = Annotate("repeat (x[x]) continue;"); 2232 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2233 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2234 Tokens = Annotate("case (x) endcase;"); 2235 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2236 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2237 2238 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2239 // future, please adapt if those tokens get annotated. This test is only here 2240 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2241 Tokens = Annotate("always @(posedge x, posedge y);"); 2242 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2243 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2244 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2245 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2246 2247 // String literals in concatenation. 2248 Tokens = Annotate("x = {\"\"};"); 2249 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2250 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2251 Tokens = Annotate("x = {\"\", \"\"};"); 2252 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2253 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2254 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2255 Tokens = Annotate("x = '{{\"\"}};"); 2256 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2257 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2258 // Cases where the string should not be annotated that type. Fix the 2259 // `TT_Unknown` if needed in the future. 2260 Tokens = Annotate("x = {\"\" == \"\"};"); 2261 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2262 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2263 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2264 Tokens = Annotate("x = {(\"\")};"); 2265 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2266 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2267 Tokens = Annotate("x = '{\"\"};"); 2268 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2269 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2270 } 2271 2272 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2273 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2274 ASSERT_TRUE(Style.isTableGen()); 2275 2276 TestLexer Lexer(Allocator, Buffers, Style); 2277 AdditionalKeywords Keywords(Lexer.IdentTable); 2278 auto Annotate = [&Lexer](llvm::StringRef Code) { 2279 return Lexer.annotate(Code); 2280 }; 2281 2282 // Additional keywords representation test. 2283 auto Tokens = Annotate("def foo : Bar<1>;"); 2284 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2285 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2286 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2287 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2288 2289 // Code, the multiline string token. 2290 Tokens = Annotate("[{ code is multiline string }]"); 2291 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2292 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2293 EXPECT_FALSE(Tokens[0]->IsMultiline); 2294 // Case with multiple lines. 2295 Tokens = Annotate("[{ It can break\n" 2296 " across lines and the line breaks\n" 2297 " are retained in \n" 2298 " the string. }]"); 2299 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2300 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2301 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2302 EXPECT_TRUE(Tokens[0]->IsMultiline); 2303 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2304 2305 // Numeric literals. 2306 Tokens = Annotate("1234"); 2307 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2308 Tokens = Annotate("-1"); 2309 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2310 Tokens = Annotate("+1234"); 2311 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2312 Tokens = Annotate("0b0110"); 2313 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2314 Tokens = Annotate("0x1abC"); 2315 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2316 2317 // Identifier tokens. In TableGen, identifiers can begin with a number. 2318 // In ambiguous cases, the lexer tries to lex it as a number. 2319 // Even if the try fails, it does not fall back to identifier lexing and 2320 // regard as an error. 2321 // The ambiguity is not documented. The result of those tests are based on the 2322 // implementation of llvm::TGLexer::LexToken. 2323 // This is invalid syntax of number, but not an identifier. 2324 Tokens = Annotate("0x1234x"); 2325 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2326 Tokens = Annotate("identifier"); 2327 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2328 // Identifier beginning with a number. 2329 Tokens = Annotate("0x"); 2330 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2331 Tokens = Annotate("2dVector"); 2332 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2333 Tokens = Annotate("01234Vector"); 2334 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2335 2336 // Structured statements. 2337 Tokens = Annotate("class Foo {}"); 2338 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2339 Tokens = Annotate("def Def: Foo {}"); 2340 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2341 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2342 Tokens = Annotate("if cond then {} else {}"); 2343 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2344 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2345 Tokens = Annotate("defset Foo Def2 = {}"); 2346 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2347 2348 // Bang Operators. 2349 Tokens = Annotate("!foreach"); 2350 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2351 Tokens = Annotate("!if"); 2352 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2353 Tokens = Annotate("!cond"); 2354 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2355 2356 auto AnnotateValue = [this, &Style](llvm::StringRef Code) { 2357 // Values are annotated only in specific context. 2358 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2359 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2360 }; 2361 // Both of bang/cond operators. 2362 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2363 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2364 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2365 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2366 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2367 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2368 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2369 // DAGArg values with operator identifier 2370 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2371 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2372 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2373 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2374 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2375 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2376 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2377 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2378 // List literal 2379 Tokens = AnnotateValue("[1, 2, 3]"); 2380 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2381 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2382 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2383 // Suffixes of values 2384 Tokens = AnnotateValue("valid.field"); 2385 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2386 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2387 // Code 2388 Tokens = AnnotateValue("[{ code is multiline string }]"); 2389 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2390 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2391 2392 // The definition 2393 Tokens = annotate("def Def : Parent<Child> {}", Style); 2394 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2395 // We use inheritance colon and function brace. They are enough. 2396 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2397 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2398 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2399 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2400 2401 // DAGArg breaking options. They use different token types depending on what 2402 // is specified. 2403 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2404 2405 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2406 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2407 // elements to have line break. 2408 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2409 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2410 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2411 EXPECT_TOKEN(Tokens[1], tok::identifier, 2412 TT_TableGenDAGArgOperatorID); // ins 2413 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2414 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2415 2416 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2417 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2418 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2419 EXPECT_TOKEN(Tokens[1], tok::identifier, 2420 TT_TableGenDAGArgOperatorID); // other 2421 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2422 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2423 2424 // For non-identifier operators, breaks after the operator. 2425 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2426 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2427 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2428 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2429 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2430 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2431 2432 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2433 2434 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2435 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2436 // to have line break inside it. 2437 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2438 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2439 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2440 EXPECT_TOKEN(Tokens[1], tok::identifier, 2441 TT_TableGenDAGArgOperatorToBreak); // ins 2442 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2443 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2444 2445 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2446 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2447 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2448 EXPECT_TOKEN(Tokens[1], tok::identifier, 2449 TT_TableGenDAGArgOperatorToBreak); // other 2450 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2451 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2452 2453 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2454 // specified operators. 2455 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2456 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2457 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2458 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2459 EXPECT_TOKEN(Tokens[1], tok::identifier, 2460 TT_TableGenDAGArgOperatorToBreak); // ins 2461 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2462 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2463 2464 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2465 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2466 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2467 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2468 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2469 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2470 2471 // If TableGenBreakingDAGArgOperators is enabled, it uses 2472 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2473 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2474 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2475 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2476 EXPECT_TOKEN(Tokens[1], tok::identifier, 2477 TT_TableGenDAGArgOperatorToBreak); // ins 2478 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2479 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2480 2481 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2482 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2483 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2484 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2485 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2486 } 2487 2488 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2489 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2490 2491 // The TT_Unknown is clearly not binding for the future, please adapt if those 2492 // tokens get annotated. 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_paren, TT_Unknown); 2497 EXPECT_TOKEN(Tokens[8], tok::r_paren, 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_paren, TT_Unknown); 2501 EXPECT_TOKEN(Tokens[12], tok::r_paren, 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() : BaseClass{}, Member{} {}"); 2506 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2507 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2508 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2509 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2510 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2511 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2512 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2513 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2514 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2515 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2516 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2517 2518 Tokens = annotate("class Class {\n" 2519 " Class() : BaseClass() {\n" 2520 "#if 0\n" 2521 " // comment\n" 2522 "#endif\n" 2523 " }\n" 2524 " Class f();\n" 2525 "}"); 2526 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2527 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2528 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2529 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2530 } 2531 2532 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2533 auto Tokens = annotate("if (x) {}"); 2534 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2535 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2536 Tokens = annotate("if constexpr (x) {}"); 2537 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2538 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2539 Tokens = annotate("if CONSTEXPR (x) {}"); 2540 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2541 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2542 Tokens = annotate("if (x) {} else if (x) {}"); 2543 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2544 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2545 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2546 } 2547 2548 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2549 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2550 2551 auto Tokens = annotate("int? a;", Style); 2552 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2553 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2554 2555 Tokens = annotate("int? a = 1;", Style); 2556 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2557 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2558 2559 Tokens = annotate("int?)", Style); 2560 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2561 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2562 2563 Tokens = annotate("int?>", Style); 2564 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2565 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2566 2567 Tokens = annotate("cond? id : id2", Style); 2568 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2569 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2570 2571 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2572 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2573 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2574 } 2575 2576 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2577 auto Tokens = annotate("{ x: break; }"); 2578 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2579 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2580 Tokens = annotate("{ case x: break; }"); 2581 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2582 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2583 Tokens = annotate("{ x: { break; } }"); 2584 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2585 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2586 Tokens = annotate("{ case x: { break; } }"); 2587 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2588 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2589 } 2590 2591 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2592 // The closing braces are not annotated. It doesn't seem to cause a problem. 2593 // So we only test for the opening braces. 2594 auto Tokens = annotate("{\n" 2595 " {\n" 2596 " { int a = 0; }\n" 2597 " }\n" 2598 " {}\n" 2599 "}"); 2600 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2601 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2602 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2603 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2604 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2605 } 2606 2607 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2608 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2609 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2610 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2611 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2612 2613 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2614 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2615 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2616 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2617 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2618 2619 Tokens = annotate("SomeStruct {\n" 2620 "#ifdef FOO\n" 2621 " .a = 1,\n" 2622 "#endif\n" 2623 " .b = 2\n" 2624 "};"); 2625 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2626 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2627 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2628 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2629 2630 Tokens = annotate("SomeStruct {\n" 2631 "#if defined FOO\n" 2632 " .a = 1,\n" 2633 "#endif\n" 2634 " .b = 2\n" 2635 "};"); 2636 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2637 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2638 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2639 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2640 2641 Tokens = annotate("Foo foo[] = {[0]{}};"); 2642 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2643 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2644 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2645 } 2646 2647 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2648 auto Annotate = [this](llvm::StringRef Code) { 2649 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2650 }; 2651 2652 // Dictionary. 2653 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2654 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2655 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2656 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2657 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2658 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2659 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2660 // Change when we need to annotate these. 2661 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2662 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2663 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2664 } 2665 2666 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2667 auto Tokens = annotate("bool foo __attribute__((unused));"); 2668 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2669 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2670 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2671 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2672 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2673 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2674 2675 Tokens = annotate("bool foo __declspec(dllimport);"); 2676 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2677 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2678 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2679 2680 Tokens = annotate("bool __attribute__((unused)) foo;"); 2681 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2682 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2683 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2684 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2685 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2686 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2687 2688 Tokens = annotate("void __attribute__((x)) Foo();"); 2689 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2690 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2691 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2692 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2693 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2694 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2695 2696 FormatStyle Style = getLLVMStyle(); 2697 Style.AttributeMacros.push_back("FOO"); 2698 Tokens = annotate("bool foo FOO(unused);", Style); 2699 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2700 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2701 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2702 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2703 } 2704 2705 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2706 auto Tokens = annotate("while (true) {}"); 2707 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2708 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2709 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2710 2711 Tokens = annotate("for (;;) {}"); 2712 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2713 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2714 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2715 2716 Tokens = annotate("do {} while (true);"); 2717 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2718 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2719 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2720 2721 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2722 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2723 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2724 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2725 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2726 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2727 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2728 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2729 2730 Tokens = annotate("switch (foo) {}"); 2731 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2732 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2733 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2734 } 2735 2736 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2737 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2738 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2739 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2740 2741 Tokens = annotate("do ++i; while ( i > 5 );"); 2742 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2743 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2744 } 2745 2746 TEST_F(TokenAnnotatorTest, StartOfName) { 2747 auto Tokens = annotate("#pragma clang diagnostic push"); 2748 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2749 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2750 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2751 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2752 2753 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2754 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2755 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2756 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2757 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2758 2759 Tokens = annotate("#define FOO Foo foo"); 2760 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2761 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2762 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2763 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2764 2765 Tokens = annotate("@interface NSCoder (TestCoder)"); 2766 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2767 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2768 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2769 } 2770 2771 TEST_F(TokenAnnotatorTest, BraceKind) { 2772 auto Tokens = annotate("void f() {};"); 2773 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2774 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2775 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2776 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2777 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2778 2779 Tokens = annotate("class Foo<int> f() {}"); 2780 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2781 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2782 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2783 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2784 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2785 2786 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2787 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2788 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2789 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2790 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2791 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2792 2793 Tokens = annotate("void f() override {};"); 2794 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2795 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2796 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2797 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2798 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2799 2800 Tokens = annotate("void f() noexcept(false) {};"); 2801 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2802 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2803 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2804 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2805 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2806 2807 Tokens = annotate("auto f() -> void {};"); 2808 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2809 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2810 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2811 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2812 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2813 2814 Tokens = annotate("void f() { /**/ };"); 2815 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2816 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2817 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2818 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2819 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2820 2821 Tokens = annotate("void f() { //\n" 2822 "};"); 2823 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2824 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2825 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2826 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2827 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2828 2829 Tokens = annotate("void f() {\n" 2830 " //\n" 2831 "};"); 2832 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2833 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2834 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2835 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2836 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2837 2838 Tokens = annotate("struct Foo {\n" 2839 " Foo() {};\n" 2840 " ~Foo() {};\n" 2841 "};"); 2842 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2843 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2844 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2845 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2846 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2847 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2848 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2849 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2850 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2851 2852 Tokens = annotate("{\n" 2853 " char *a[] = {\n" 2854 " /* abc */ \"abc\",\n" 2855 "#if FOO\n" 2856 " /* xyz */ \"xyz\",\n" 2857 "#endif\n" 2858 " /* last */ \"last\"};\n" 2859 "}"); 2860 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2861 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2862 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2863 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 2864 2865 Tokens = 2866 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 2867 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 2868 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2869 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2870 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 2871 2872 Tokens = annotate("struct {};"); 2873 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2874 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2875 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2876 2877 Tokens = annotate("struct : Base {};"); 2878 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2879 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2880 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2881 2882 Tokens = annotate("struct Foo {};"); 2883 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2884 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2885 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2886 2887 Tokens = annotate("struct ::Foo {};"); 2888 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2889 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2890 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2891 2892 Tokens = annotate("struct NS::Foo {};"); 2893 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2894 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2895 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2896 2897 Tokens = annotate("struct Foo<int> {};"); 2898 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2899 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2900 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2901 2902 Tokens = annotate("struct Foo final {};"); 2903 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2904 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2905 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2906 2907 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 2908 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2909 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 2910 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 2911 2912 Tokens = annotate("struct Foo x{};"); 2913 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2914 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 2915 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2916 2917 Tokens = annotate("struct ::Foo x{};"); 2918 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2919 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2920 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 2921 2922 Tokens = annotate("struct NS::Foo x{};"); 2923 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2924 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 2925 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2926 2927 Tokens = annotate("struct Foo<int> x{};"); 2928 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2929 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2930 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2931 2932 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 2933 "#else\n" 2934 "#endif\n" 2935 "class RenderingServer : Object {\n" 2936 "#ifndef DISABLE_DEPRECATED\n" 2937 " enum Features {\n" 2938 " FEATURE_SHADERS,\n" 2939 " FEATURE_MULTITHREADED,\n" 2940 " };\n" 2941 "#endif\n" 2942 "};"); 2943 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2944 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 2945 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 2946 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 2947 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 2948 } 2949 2950 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 2951 auto Tokens = annotate("auto foo() -> enum En {}"); 2952 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2953 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2954 } 2955 2956 TEST_F(TokenAnnotatorTest, BlockLBrace) { 2957 auto Tokens = annotate("{\n" 2958 " {\n" 2959 " foo();\n" 2960 " }\n" 2961 "}"); 2962 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2963 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 2964 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2965 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 2966 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2967 2968 Tokens = annotate("void bar() {\n" 2969 " {\n" 2970 " foo();\n" 2971 " }\n" 2972 "}"); 2973 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2974 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2975 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2976 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 2977 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2978 } 2979 2980 } // namespace 2981 } // namespace format 2982 } // namespace clang 2983