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 } 313 314 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 315 auto Tokens = annotate("x - 0"); 316 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 317 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 318 Tokens = annotate("0 + 0"); 319 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 320 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 321 Tokens = annotate("x + +0"); 322 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 323 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 324 Tokens = annotate("x ? -0 : +0"); 325 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 326 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 327 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 328 Tokens = annotate("(-0)"); 329 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 330 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 331 Tokens = annotate("0, -0"); 332 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 333 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 334 Tokens = annotate("for (; -1;) {\n}"); 335 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 336 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 337 Tokens = annotate("x = -1;"); 338 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 339 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 340 Tokens = annotate("x[-1]"); 341 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 342 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 343 Tokens = annotate("x = {-1};"); 344 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 345 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 346 Tokens = annotate("case -x:"); 347 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 348 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 349 Tokens = annotate("co_await -x;"); 350 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 351 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 352 Tokens = annotate("co_return -x;"); 353 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 354 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 355 Tokens = annotate("co_yield -x;"); 356 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 357 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 358 Tokens = annotate("delete -x;"); 359 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 360 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 361 Tokens = annotate("return -x;"); 362 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 363 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 364 Tokens = annotate("throw -x;"); 365 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 366 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 367 Tokens = annotate("sizeof -x"); 368 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 369 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 370 Tokens = annotate("co_await +x;"); 371 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 372 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 373 Tokens = annotate("co_return +x;"); 374 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 375 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 376 Tokens = annotate("co_yield +x;"); 377 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 378 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 379 Tokens = annotate("delete +x;"); 380 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 381 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 382 Tokens = annotate("return +x;"); 383 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 384 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 385 Tokens = annotate("throw +x;"); 386 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 387 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 388 Tokens = annotate("sizeof +x"); 389 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 390 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 391 Tokens = annotate("(int)-x"); 392 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 393 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 394 Tokens = annotate("(-x)"); 395 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 397 Tokens = annotate("!+x"); 398 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 399 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 400 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 401 } 402 403 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 404 auto Tokens = annotate("class C {};"); 405 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 406 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 407 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 408 409 Tokens = annotate("const class C {} c;"); 410 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 411 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 412 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 413 414 Tokens = annotate("const class {} c;"); 415 ASSERT_EQ(Tokens.size(), 7u) << 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("class [[deprecated(\"\")]] C { int i; };"); 420 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 421 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 422 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 423 } 424 425 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 426 auto Tokens = annotate("struct S {};"); 427 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 428 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 429 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 430 431 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 432 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 433 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 434 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 435 436 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 437 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 438 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 439 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 440 441 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 442 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 443 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 444 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 445 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 446 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 447 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 448 449 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 450 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 451 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 452 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 453 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 454 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 455 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 456 457 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 458 " void f(T const (&a)[n]);\n" 459 "};"); 460 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 461 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 462 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 463 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 464 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 465 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 466 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 467 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 468 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 469 } 470 471 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 472 auto Tokens = annotate("union U {};"); 473 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 474 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 475 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 476 477 Tokens = annotate("union U { void f() { return; } };"); 478 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 479 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 480 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 481 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 482 } 483 484 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 485 auto Tokens = annotate("enum E {};"); 486 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 487 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 488 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 489 } 490 491 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 492 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 493 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 494 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 495 496 Tokens = annotate("template <typename T> void F(T) && = delete;"); 497 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 498 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 499 } 500 501 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 502 auto Tokens = 503 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 504 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 505 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 506 } 507 508 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 509 auto Tokens = 510 annotate("template <typename T> " 511 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 512 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 513 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 514 } 515 516 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 517 auto Tokens = 518 annotate("#define FOO(typeName) \\\n" 519 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 520 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 521 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 522 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 523 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 524 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 525 } 526 527 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 528 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 529 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 530 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 531 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 532 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 533 } 534 535 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 536 auto Tokens = annotate("return a < b && c > d;"); 537 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 538 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 539 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 540 541 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 542 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 543 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 544 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 545 546 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 547 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 548 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 549 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 550 } 551 552 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 553 FormatStyle Style = getLLVMStyle(); 554 Style.WhitespaceSensitiveMacros.push_back("FOO"); 555 556 auto Tokens = annotate("FOO(1+2 )", Style); 557 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 558 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 559 560 Tokens = annotate("FOO(a:b:c)", Style); 561 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 562 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 563 } 564 565 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 566 auto Tokens = annotate("delete (void *)p;"); 567 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 568 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 569 570 Tokens = annotate("delete[] (void *)p;"); 571 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 572 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 573 574 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 575 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 576 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 577 578 Tokens = annotate("delete[/*comment*/] (void *)p;"); 579 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 580 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 581 582 Tokens = annotate("delete/*comment*/[] (void *)p;"); 583 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 584 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 585 } 586 587 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 588 auto Tokens = annotate("(void)p;"); 589 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 590 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 591 592 Tokens = annotate("auto x = (Foo)p;"); 593 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 594 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 595 596 Tokens = annotate("(std::vector<int>)p;"); 597 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 598 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 599 600 Tokens = annotate("return (Foo)p;"); 601 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 602 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 603 604 Tokens = annotate("throw (Foo)p;"); 605 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 606 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 607 608 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 609 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 610 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 611 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 612 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 613 614 Tokens = annotate("#define foo(i) ((i) - bar)"); 615 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 616 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 617 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 618 619 Tokens = annotate("return (Foo) & 10;"); 620 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 621 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 622 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 623 624 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 625 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 626 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 627 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 628 629 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 630 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 631 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 632 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 633 634 auto Style = getLLVMStyle(); 635 Style.TypeNames.push_back("Foo"); 636 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 637 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 638 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 639 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 640 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 641 } 642 643 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 644 auto Tokens = annotate("void f() throw(int);"); 645 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 646 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 647 } 648 649 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 650 auto Tokens = annotate("void f() &;"); 651 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 652 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 653 654 Tokens = annotate("void operator=(T) &&;"); 655 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 656 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 657 658 Tokens = annotate("template <typename T> void f() &;"); 659 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 660 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 661 662 Tokens = annotate("template <typename T> void operator=(T) &;"); 663 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 664 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 665 } 666 667 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 668 auto Tokens = annotate("x.operator+()"); 669 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 670 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 671 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 672 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 673 Tokens = annotate("x.operator=()"); 674 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 675 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 676 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 677 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 678 Tokens = annotate("x.operator+=()"); 679 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 680 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 681 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 682 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 683 Tokens = annotate("x.operator,()"); 684 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 685 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 686 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 687 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 688 Tokens = annotate("x.operator()()"); 689 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 690 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 691 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 692 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 693 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 694 Tokens = annotate("x.operator[]()"); 695 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 696 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 697 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 698 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 699 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 700 Tokens = annotate("x.operator\"\"_a()"); 701 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 702 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 703 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 704 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 705 Tokens = annotate("x.operator\"\" _a()"); 706 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 707 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 708 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 709 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 710 Tokens = annotate("x.operator\"\"if()"); 711 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 712 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 713 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 714 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 715 Tokens = annotate("x.operator\"\"s()"); 716 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 717 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 718 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 719 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 720 Tokens = annotate("x.operator\"\" s()"); 721 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 722 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 723 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 724 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 725 726 Tokens = annotate("int operator+(int);"); 727 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 728 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 729 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 730 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 731 Tokens = annotate("auto operator=(T&) {}"); 732 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 733 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 734 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 735 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 736 Tokens = annotate("auto operator()() {}"); 737 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 738 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 739 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 740 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 741 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 742 743 Tokens = annotate("class Foo {\n" 744 " int operator+(a* b);\n" 745 "}"); 746 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 747 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 748 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 749 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 750 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 751 752 Tokens = annotate("class Foo {\n" 753 " int c = operator+(a * b);\n" 754 "}"); 755 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 756 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 757 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 758 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 759 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 760 761 Tokens = annotate("void foo() {\n" 762 " operator+(a * b);\n" 763 "}"); 764 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 765 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 766 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 767 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 768 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 769 770 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 771 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 772 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 773 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 774 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 775 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 776 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 777 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 778 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 779 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 780 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 781 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 782 783 Tokens = annotate("class Foo {\n" 784 " void foo() {\n" 785 " operator+(a * b);\n" 786 " }\n" 787 "}"); 788 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 789 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 790 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 791 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 792 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 793 794 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 795 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 796 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 797 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 798 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 799 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 800 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 801 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 802 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 803 804 Tokens = annotate("decltype(auto) operator()(T &x);"); 805 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 806 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 807 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 808 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 809 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 810 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 811 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 812 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 813 } 814 815 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 816 struct { 817 const char *Text; 818 tok::TokenKind Kind; 819 } Operators[] = {{"+", tok::plus}, 820 {"-", tok::minus}, 821 // FIXME: 822 // {"*", tok::star}, 823 {"/", tok::slash}, 824 {"%", tok::percent}, 825 {"^", tok::caret}, 826 // FIXME: 827 // {"&", tok::amp}, 828 {"|", tok::pipe}, 829 {"~", tok::tilde}, 830 {"!", tok::exclaim}, 831 {"=", tok::equal}, 832 // FIXME: 833 // {"<", tok::less}, 834 {">", tok::greater}, 835 {"+=", tok::plusequal}, 836 {"-=", tok::minusequal}, 837 {"*=", tok::starequal}, 838 {"/=", tok::slashequal}, 839 {"%=", tok::percentequal}, 840 {"^=", tok::caretequal}, 841 {"&=", tok::ampequal}, 842 {"|=", tok::pipeequal}, 843 {"<<", tok::lessless}, 844 {">>", tok::greatergreater}, 845 {">>=", tok::greatergreaterequal}, 846 {"<<=", tok::lesslessequal}, 847 {"==", tok::equalequal}, 848 {"!=", tok::exclaimequal}, 849 {"<=", tok::lessequal}, 850 {">=", tok::greaterequal}, 851 {"<=>", tok::spaceship}, 852 {"&&", tok::ampamp}, 853 {"||", tok::pipepipe}, 854 {"++", tok::plusplus}, 855 {"--", tok::minusminus}, 856 {",", tok::comma}, 857 {"->*", tok::arrowstar}, 858 {"->", tok::arrow}}; 859 860 for (const auto &Operator : Operators) { 861 std::string Input("C<&operator"); 862 Input += Operator.Text; 863 Input += " > a;"; 864 auto Tokens = annotate(std::string(Input)); 865 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 866 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 867 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 868 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 869 } 870 871 auto Tokens = annotate("C<&operator< <X>> lt;"); 872 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 873 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 874 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 875 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 876 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 877 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 878 } 879 880 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 881 auto Tokens = annotate("template <typename T>\n" 882 "concept C = (Foo && Bar) && (Bar && Baz);"); 883 884 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 885 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 886 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 887 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 888 889 Tokens = annotate("template <typename T>\n" 890 "concept C = Foo && !Bar;"); 891 892 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 893 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 894 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 895 896 Tokens = annotate("template <typename T>\n" 897 "concept C = requires(T t) {\n" 898 " { t.foo() };\n" 899 "} && Bar<T> && Baz<T>;"); 900 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 901 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 902 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 903 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 904 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 905 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 906 907 Tokens = annotate("template<typename T>\n" 908 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 909 "struct Foo;"); 910 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 911 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 912 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 913 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 914 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 915 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 916 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 917 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 918 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 919 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 920 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 921 922 Tokens = 923 annotate("template<typename T>\n" 924 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 925 "struct Foo;"); 926 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 927 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 928 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 929 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 930 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 931 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 932 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 933 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 934 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 935 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 936 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 937 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 938 939 Tokens = annotate("template <typename T>\n" 940 "void foo(T) noexcept requires Bar<T>;"); 941 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 942 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 943 944 Tokens = annotate("template <typename T>\n" 945 "requires Bar<T> || Baz<T>\n" 946 "auto foo(T) -> int;"); 947 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 948 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 949 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 950 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 951 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 952 953 Tokens = annotate("template <typename T>\n" 954 "requires Bar<T>\n" 955 "bool foo(T) { return false; }"); 956 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 957 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 958 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 959 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 960 961 Tokens = annotate("template <typename T>\n" 962 "requires Bar<T>\n" 963 "decltype(auto) foo(T) { return false; }"); 964 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 965 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 966 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 967 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 968 969 Tokens = annotate("template <typename T>\n" 970 "struct S {\n" 971 " void foo() const requires Bar<T>;\n" 972 " void bar() const & requires Baz<T>;\n" 973 " void bar() && requires Baz2<T>;\n" 974 " void baz() const & noexcept requires Baz<T>;\n" 975 " void baz() && noexcept requires Baz2<T>;\n" 976 "};\n" 977 "\n" 978 "void S::bar() const & requires Baz<T> { }"); 979 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 980 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 981 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 982 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 983 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 984 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 985 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 986 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 987 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 988 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 989 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 990 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 991 992 Tokens = annotate("void Class::member() && requires(Constant) {}"); 993 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 994 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 995 996 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 997 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 998 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 999 1000 Tokens = 1001 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1002 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1003 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1004 1005 Tokens = annotate("void Class::member() && requires(typename " 1006 "Namespace::Outer<T>::Inner::Constant) {}"); 1007 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1008 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1009 1010 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1011 " template<class T>\n" 1012 " requires requires { number_zero_v<T>; }\n" 1013 " [[nodiscard]] constexpr operator T() const { " 1014 "return number_zero_v<T>; }\n" 1015 "};"); 1016 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1017 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1018 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1019 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1020 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1021 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1022 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1023 1024 Tokens = 1025 annotate("template <class A, class B> concept C =" 1026 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1027 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1028 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1029 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1030 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1031 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1032 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1033 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1034 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1035 1036 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1037 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1038 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1039 1040 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1041 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1042 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1043 1044 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1045 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1046 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1047 1048 Tokens = 1049 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1050 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1051 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1052 1053 Tokens = 1054 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1055 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1056 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1057 1058 Tokens = 1059 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1060 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1061 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1062 1063 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1064 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1065 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1066 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1067 1068 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1069 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1070 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1071 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1072 1073 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1074 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1075 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1076 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1077 1078 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1079 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1080 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1081 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1082 1083 Tokens = annotate("void f() & requires(true) {}"); 1084 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1085 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1086 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1087 1088 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1089 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1090 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1091 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1092 1093 Tokens = annotate("template <typename T>\n" 1094 "concept C = (!Foo<T>) && Bar;"); 1095 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1096 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1097 1098 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1099 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1100 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1101 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1102 1103 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1104 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1105 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1106 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1107 1108 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1109 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1110 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1111 1112 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1113 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1114 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1115 1116 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1117 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1118 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1119 } 1120 1121 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1122 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1123 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1124 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1125 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1126 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1127 1128 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1129 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1130 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1131 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1132 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1133 1134 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1135 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1136 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1137 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1138 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1139 1140 Tokens = annotate("foo(requires(const T t) {});"); 1141 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1142 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1143 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1144 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1145 1146 Tokens = annotate("foo(requires(const int t) {});"); 1147 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1148 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1149 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1150 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1151 1152 Tokens = annotate("foo(requires(const T t) {});"); 1153 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1154 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1155 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1156 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1157 1158 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1159 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1160 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1161 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1162 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1163 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1164 1165 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1166 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1167 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1168 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1169 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1170 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1171 1172 Tokens = annotate("foo(requires(T& t) {});"); 1173 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1174 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1175 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1176 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1177 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1178 1179 Tokens = annotate("foo(requires(T&& t) {});"); 1180 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1181 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1182 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1183 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1184 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1185 1186 Tokens = annotate("bool foo = requires(T& t) {};"); 1187 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1188 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1189 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1190 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1191 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1192 1193 Tokens = annotate("bool foo = requires(T&& t) {};"); 1194 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1195 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1196 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1197 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1198 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1199 1200 Tokens = 1201 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1202 ASSERT_EQ(Tokens.size(), 21u) << 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[12], tok::star, TT_PointerOrReference); 1206 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1207 1208 Tokens = annotate("template <typename T>\n" 1209 "concept C = requires(T T) {\n" 1210 " requires Bar<T> && Foo<T>;\n" 1211 "};"); 1212 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1213 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1214 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1215 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1216 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1217 TT_RequiresClauseInARequiresExpression); 1218 1219 Tokens = annotate("template <typename T>\n" 1220 "concept C = requires(T T) {\n" 1221 " { t.func() } -> std::same_as<int>;" 1222 " requires Bar<T> && Foo<T>;\n" 1223 "};"); 1224 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1225 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1226 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1227 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1228 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1229 TT_RequiresClauseInARequiresExpression); 1230 1231 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1232 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1233 "requires true; };"); 1234 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1235 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1236 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1237 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1238 1239 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1240 " { c.foo(); }\n" 1241 "};"); 1242 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1243 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1244 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1245 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1246 } 1247 1248 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1249 // Everything after #pragma region should be ImplicitStringLiteral 1250 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1251 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1252 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1253 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1254 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1255 1256 // Make sure it's annotated correctly inside a function as well 1257 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1258 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1259 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1260 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1261 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1262 } 1263 1264 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1265 const char *BaseCode = nullptr; 1266 const char *ConstrainedCode = nullptr; 1267 auto BaseTokenCount = 0u; 1268 auto RequiresTokenCount = 0u; 1269 auto PrefixTokenCount = 0u; 1270 1271 auto TestRequires = [&](int Line) { 1272 const auto BaseTokens = annotate(BaseCode); 1273 const auto ConstrainedTokens = annotate(ConstrainedCode); 1274 1275 #define LINE " (Line " << Line << ')' 1276 1277 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1278 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1279 << LINE; 1280 1281 for (auto I = 0u; I < BaseTokenCount; ++I) { 1282 EXPECT_EQ( 1283 *BaseTokens[I], 1284 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1285 << I << LINE; 1286 } 1287 1288 #undef LINE 1289 }; 1290 1291 BaseCode = "template<typename T>\n" 1292 "T Pi = 3.14;"; 1293 ConstrainedCode = "template<typename T>\n" 1294 " requires Foo<T>\n" 1295 "T Pi = 3.14;"; 1296 BaseTokenCount = 11; 1297 RequiresTokenCount = 5; 1298 PrefixTokenCount = 5; 1299 TestRequires(__LINE__); 1300 1301 BaseCode = "template<typename T>\n" 1302 "struct Bar;"; 1303 ConstrainedCode = "template<typename T>\n" 1304 " requires Foo<T>\n" 1305 "struct Bar;"; 1306 BaseTokenCount = 9; 1307 TestRequires(__LINE__); 1308 1309 BaseCode = "template<typename T>\n" 1310 "struct Bar {\n" 1311 " T foo();\n" 1312 " T bar();\n" 1313 "};"; 1314 ConstrainedCode = "template<typename T>\n" 1315 " requires Foo<T>\n" 1316 "struct Bar {\n" 1317 " T foo();\n" 1318 " T bar();\n" 1319 "};"; 1320 BaseTokenCount = 21; 1321 TestRequires(__LINE__); 1322 1323 BaseCode = "template<typename T>\n" 1324 "Bar(T) -> Bar<T>;"; 1325 ConstrainedCode = "template<typename T>\n" 1326 " requires Foo<T>\n" 1327 "Bar(T) -> Bar<T>;"; 1328 BaseTokenCount = 16; 1329 TestRequires(__LINE__); 1330 1331 BaseCode = "template<typename T>\n" 1332 "T foo();"; 1333 ConstrainedCode = "template<typename T>\n" 1334 " requires Foo<T>\n" 1335 "T foo();"; 1336 BaseTokenCount = 11; 1337 TestRequires(__LINE__); 1338 1339 BaseCode = "template<typename T>\n" 1340 "T foo() {\n" 1341 " auto bar = baz();\n" 1342 " return bar + T{};\n" 1343 "}"; 1344 ConstrainedCode = "template<typename T>\n" 1345 " requires Foo<T>\n" 1346 "T foo() {\n" 1347 " auto bar = baz();\n" 1348 " return bar + T{};\n" 1349 "}"; 1350 BaseTokenCount = 26; 1351 TestRequires(__LINE__); 1352 1353 BaseCode = "template<typename T>\n" 1354 "T foo();"; 1355 ConstrainedCode = "template<typename T>\n" 1356 "T foo() requires Foo<T>;"; 1357 BaseTokenCount = 11; 1358 PrefixTokenCount = 9; 1359 TestRequires(__LINE__); 1360 1361 BaseCode = "template<typename T>\n" 1362 "T foo() {\n" 1363 " auto bar = baz();\n" 1364 " return bar + T{};\n" 1365 "}"; 1366 ConstrainedCode = "template<typename T>\n" 1367 "T foo() requires Foo<T> {\n" 1368 " auto bar = baz();\n" 1369 " return bar + T{};\n" 1370 "}"; 1371 BaseTokenCount = 26; 1372 TestRequires(__LINE__); 1373 1374 BaseCode = "template<typename T>\n" 1375 "T foo();"; 1376 ConstrainedCode = "template<typename T>\n" 1377 " requires(Foo<T>)\n" 1378 "T foo();"; 1379 BaseTokenCount = 11; 1380 RequiresTokenCount = 7; 1381 PrefixTokenCount = 5; 1382 TestRequires(__LINE__); 1383 1384 BaseCode = "template<typename T>\n" 1385 "Bar(T) -> Bar<typename T::I>;"; 1386 ConstrainedCode = "template<typename T>\n" 1387 " requires requires(T &&t) {\n" 1388 " typename T::I;\n" 1389 " }\n" 1390 "Bar(T) -> Bar<typename T::I>;"; 1391 BaseTokenCount = 19; 1392 RequiresTokenCount = 14; 1393 PrefixTokenCount = 5; 1394 TestRequires(__LINE__); 1395 1396 BaseCode = "struct [[nodiscard]] zero_t {\n" 1397 " template<class T>\n" 1398 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1399 "};"; 1400 ConstrainedCode = 1401 "struct [[nodiscard]] zero_t {\n" 1402 " template<class T>\n" 1403 " requires requires { v<T>; }\n" 1404 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1405 "};"; 1406 BaseTokenCount = 35; 1407 RequiresTokenCount = 9; 1408 PrefixTokenCount = 13; 1409 TestRequires(__LINE__); 1410 1411 BaseCode = "constexpr Foo(Foo const &other)\n" 1412 " : value{other.value} {\n" 1413 " do_magic();\n" 1414 " do_more_magic();\n" 1415 "}"; 1416 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1417 " requires std::is_copy_constructible<T>\n" 1418 " : value{other.value} {\n" 1419 " do_magic();\n" 1420 " do_more_magic();\n" 1421 "}"; 1422 BaseTokenCount = 26; 1423 RequiresTokenCount = 7; 1424 PrefixTokenCount = 8; 1425 TestRequires(__LINE__); 1426 1427 BaseCode = "constexpr Foo(Foo const &other)\n" 1428 " : value{other.value} {\n" 1429 " do_magic();\n" 1430 " do_more_magic();\n" 1431 "}"; 1432 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1433 " requires (std::is_copy_constructible<T>)\n" 1434 " : value{other.value} {\n" 1435 " do_magic();\n" 1436 " do_more_magic();\n" 1437 "}"; 1438 RequiresTokenCount = 9; 1439 TestRequires(__LINE__); 1440 1441 BaseCode = "template<typename T>\n" 1442 "ANNOTATE(\"S\"\n" 1443 " \"S\")\n" 1444 "void foo();"; 1445 ConstrainedCode = "template<typename T>\n" 1446 " requires(true)\n" 1447 "ANNOTATE(\"S\"\n" 1448 " \"S\")\n" 1449 "void foo();"; 1450 BaseTokenCount = 16; 1451 RequiresTokenCount = 4; 1452 PrefixTokenCount = 5; 1453 TestRequires(__LINE__); 1454 } 1455 1456 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1457 auto Tokens = annotate("__asm{\n" 1458 "a:\n" 1459 "};"); 1460 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1461 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1462 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1463 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1464 } 1465 1466 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1467 auto Tokens = annotate("int (^)() = ^ ()\n" 1468 " external_source_symbol() { //\n" 1469 " return 1;\n" 1470 "};"); 1471 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1472 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1473 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1474 1475 Tokens = annotate("int *p = ^int*(){ //\n" 1476 " return nullptr;\n" 1477 "}();"); 1478 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1479 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1480 } 1481 1482 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1483 auto Tokens = annotate("void f() {\n" 1484 " //\n" 1485 " BOOL a = [b.c n] > 1;\n" 1486 "}"); 1487 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1488 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1489 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1490 } 1491 1492 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1493 auto Tokens = annotate("[]() constexpr {}"); 1494 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1495 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1496 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1497 1498 Tokens = annotate("[]() consteval {}"); 1499 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1500 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1501 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1502 1503 Tokens = annotate("[]() mutable {}"); 1504 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1505 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1506 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1507 1508 Tokens = annotate("[]() static {}"); 1509 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1510 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1511 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1512 1513 Tokens = annotate("[]() -> auto {}"); 1514 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1515 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1516 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1517 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1518 1519 Tokens = annotate("[]() -> auto & {}"); 1520 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1521 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1522 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1523 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1524 1525 Tokens = annotate("[]() -> auto * {}"); 1526 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1527 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1528 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1529 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1530 1531 Tokens = annotate("[] {}"); 1532 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1533 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1534 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1535 1536 Tokens = annotate("[] noexcept {}"); 1537 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1538 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1539 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1540 1541 Tokens = annotate("[] -> auto {}"); 1542 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1543 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1544 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1545 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1546 1547 Tokens = annotate("[] <typename T> () {}"); 1548 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1549 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1550 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1551 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1552 1553 Tokens = annotate("[] <typename T> {}"); 1554 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1555 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1556 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1557 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1558 1559 Tokens = annotate("[] <typename... T> () {}"); 1560 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1561 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1562 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1563 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1564 1565 Tokens = annotate("[] <typename... T> {}"); 1566 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1567 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1568 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1569 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1570 1571 Tokens = annotate("[] <int... T> () {}"); 1572 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1573 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1574 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1575 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1576 1577 Tokens = annotate("[] <int... T> {}"); 1578 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1579 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1580 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1581 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1582 1583 Tokens = annotate("[] <Foo... T> () {}"); 1584 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1585 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1586 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1587 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1588 1589 Tokens = annotate("[] <Foo... T> {}"); 1590 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1591 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1592 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1593 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1594 1595 // Lambdas with a requires-clause 1596 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1597 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1598 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1599 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1600 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1601 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1602 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1603 1604 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1605 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1606 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1607 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1608 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1609 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1610 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1611 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1612 1613 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1614 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1615 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1616 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1617 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1618 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1619 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1620 1621 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1622 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1623 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1624 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1625 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1626 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1627 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1628 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1629 1630 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1631 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1632 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1633 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1634 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1635 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1636 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1637 1638 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1639 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1640 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1641 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1642 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1643 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1644 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1645 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1646 1647 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1648 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1649 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1650 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1651 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1652 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1653 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1654 1655 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1656 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1657 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1658 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1659 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1660 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1661 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1662 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1663 1664 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1665 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1666 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1667 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1668 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1669 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1670 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1671 1672 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1673 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1674 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1675 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1676 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1677 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1678 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1679 1680 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1681 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1682 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1683 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1684 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1685 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1686 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1687 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1688 1689 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1690 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1691 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1692 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1693 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1694 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1695 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1696 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1697 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1698 1699 Tokens = annotate("[] <typename T = int> (T t) {}"); 1700 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1701 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1702 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1703 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1704 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1705 1706 Tokens = annotate("[] <int I = 0> (T t) {}"); 1707 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1708 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1709 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1710 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1711 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1712 1713 Tokens = annotate("[] <bool b = false> (T t) {}"); 1714 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1715 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1716 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1717 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1718 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1719 1720 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1721 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1722 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1723 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1724 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1725 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1726 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1727 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1728 1729 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1730 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1731 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1732 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1733 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1734 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1735 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1736 } 1737 1738 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1739 auto Tokens = annotate("template <typename T>\n" 1740 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1741 "string OldFunction(const string ¶meter) {}"); 1742 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1743 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1744 1745 Tokens = annotate("template <typename T>\n" 1746 "A(T) noexcept;"); 1747 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1748 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1749 } 1750 1751 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1752 auto Tokens = annotate("void f [[noreturn]] ();"); 1753 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1754 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1755 1756 Tokens = annotate("void f [[noreturn]] () {}"); 1757 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1758 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1759 1760 Tokens = annotate("#define FOO Foo::\n" 1761 "FOO Foo();"); 1762 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1763 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1764 1765 Tokens = annotate("struct Foo {\n" 1766 " Bar (*func)();\n" 1767 "};"); 1768 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1769 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1770 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1771 1772 Tokens = annotate("int iso_time(time_t);"); 1773 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1774 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1775 1776 auto Style = getLLVMStyle(); 1777 Style.TypeNames.push_back("MyType"); 1778 Tokens = annotate("int iso_time(MyType);", Style); 1779 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1780 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1781 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1782 } 1783 1784 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1785 auto Tokens = annotate("class Foo { public: Foo(); };"); 1786 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1787 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1788 1789 Tokens = annotate("class Foo { public: ~Foo(); };"); 1790 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1791 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1792 1793 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1794 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1795 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1796 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1797 1798 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1799 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1800 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1801 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1802 1803 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1804 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1805 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1806 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1807 1808 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1809 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1810 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1811 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1812 1813 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1814 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1815 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1816 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1817 1818 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1819 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1820 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1821 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1822 1823 Tokens = annotate("Foo::Foo() {}"); 1824 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1825 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1826 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1827 1828 Tokens = annotate("Foo::~Foo() {}"); 1829 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1830 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1831 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1832 1833 Tokens = annotate("struct Test {\n" 1834 " Test()\n" 1835 " : l([] {\n" 1836 " Short::foo();\n" 1837 " }) {}\n" 1838 "};"); 1839 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1840 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1841 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1842 } 1843 1844 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1845 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1846 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1847 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1848 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1849 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1850 } 1851 1852 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1853 auto Tokens = annotate("auto f() -> int;"); 1854 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1855 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1856 1857 Tokens = annotate("auto operator->() -> int;"); 1858 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1859 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1860 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1861 1862 Tokens = annotate("auto operator++(int) -> int;"); 1863 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1864 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1865 1866 Tokens = annotate("auto operator=() -> int;"); 1867 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1868 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1869 1870 Tokens = annotate("auto operator=(int) -> int;"); 1871 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1872 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1873 1874 Tokens = annotate("auto foo() -> auto { return Val; }"); 1875 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1876 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1877 1878 Tokens = annotate("struct S { auto bar() const -> int; };"); 1879 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1880 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1881 1882 // Not trailing return arrows 1883 Tokens = annotate("auto a = b->c;"); 1884 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1885 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1886 1887 Tokens = annotate("auto a = (b)->c;"); 1888 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1889 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1890 1891 Tokens = annotate("auto a = b()->c;"); 1892 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1893 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1894 1895 Tokens = annotate("auto a = b->c();"); 1896 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1897 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1898 1899 Tokens = annotate("decltype(auto) a = b()->c;"); 1900 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1901 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1902 1903 Tokens = annotate("void f() { auto a = b->c(); }"); 1904 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1905 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1906 1907 Tokens = annotate("void f() { auto a = b()->c; }"); 1908 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1909 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1910 1911 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1912 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1913 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1914 1915 Tokens = annotate("void f() FOO(foo->bar);"); 1916 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1917 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 1918 1919 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 1920 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1921 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1922 1923 // Mixed 1924 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1925 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1926 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1927 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1928 } 1929 1930 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 1931 auto Tokens = annotate("#define Foo(Bar) \\\n" 1932 " { \\\n" 1933 " #Bar \\\n" 1934 " }"); 1935 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1936 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1937 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1938 1939 Tokens = annotate("#define Foo(Bar) \\\n" 1940 " { #Bar }"); 1941 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1942 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 1943 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 1944 1945 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 1946 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 1947 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 1948 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 1949 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 1950 } 1951 1952 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 1953 // '__attribute__' has special handling. 1954 auto Tokens = annotate("__attribute__(X) void Foo(void);"); 1955 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1956 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1957 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1958 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1959 1960 // Generic macro has no special handling in this location. 1961 Tokens = annotate("A(X) void Foo(void);"); 1962 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1963 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 1964 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 1965 1966 // Add a custom AttributeMacro. Test that it has the same behavior. 1967 FormatStyle Style = getLLVMStyle(); 1968 Style.AttributeMacros.push_back("A"); 1969 1970 // An "AttributeMacro" gets annotated like '__attribute__'. 1971 Tokens = annotate("A(X) void Foo(void);", Style); 1972 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1973 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1974 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1975 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1976 } 1977 1978 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 1979 // '__attribute__' has special handling. 1980 auto Tokens = annotate("__attribute__(X) @interface Foo"); 1981 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1982 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1983 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1984 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1985 1986 // Generic macro has no special handling in this location. 1987 Tokens = annotate("A(X) @interface Foo"); 1988 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1989 // Note: Don't check token-type as a random token in this position is hard to 1990 // reason about. 1991 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 1992 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 1993 1994 // Add a custom AttributeMacro. Test that it has the same behavior. 1995 FormatStyle Style = getLLVMStyle(); 1996 Style.AttributeMacros.push_back("A"); 1997 1998 // An "AttributeMacro" gets annotated like '__attribute__'. 1999 Tokens = annotate("A(X) @interface Foo", Style); 2000 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2001 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2002 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2003 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2004 } 2005 2006 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2007 // '__attribute__' has special handling. 2008 auto Tokens = annotate("- (id)init __attribute__(X);"); 2009 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2010 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2011 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2012 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2013 2014 // Generic macro has no special handling in this location. 2015 Tokens = annotate("- (id)init A(X);"); 2016 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2017 // Note: Don't check token-type as a random token in this position is hard to 2018 // reason about. 2019 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2020 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2021 2022 // Add a custom AttributeMacro. Test that it has the same behavior. 2023 FormatStyle Style = getLLVMStyle(); 2024 Style.AttributeMacros.push_back("A"); 2025 2026 // An "AttributeMacro" gets annotated like '__attribute__'. 2027 Tokens = annotate("- (id)init A(X);", Style); 2028 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2029 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2030 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2031 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2032 } 2033 2034 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2035 // '__attribute__' has special handling. 2036 auto Tokens = annotate("@property(weak) id delegate __attribute__(X);"); 2037 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2038 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2039 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2040 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2041 2042 // Generic macro has no special handling in this location. 2043 Tokens = annotate("@property(weak) id delegate A(X);"); 2044 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2045 // Note: Don't check token-type as a random token in this position is hard to 2046 // reason about. 2047 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2048 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2049 2050 // Add a custom AttributeMacro. Test that it has the same behavior. 2051 FormatStyle Style = getLLVMStyle(); 2052 Style.AttributeMacros.push_back("A"); 2053 2054 // An "AttributeMacro" gets annotated like '__attribute__'. 2055 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2056 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2057 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2058 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2059 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2060 } 2061 2062 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2063 auto Annotate = [this](llvm::StringRef Code) { 2064 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2065 }; 2066 // Test that unary operators get labeled as such and that operators like '++' 2067 // don't get split. 2068 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2069 tok::tilde, tok::amp, tok::pipe, 2070 tok::caret, tok::plusplus, tok::minusminus}; 2071 for (auto Kind : Unary) { 2072 auto Tokens = 2073 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2074 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2075 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2076 } 2077 // Operators formed by joining two operators like '^~'. For some of these 2078 // joined operators, we don't have a separate type, so we only test for their 2079 // precedence. 2080 std::pair<prec::Level, std::string> JoinedBinary[] = { 2081 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2082 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2083 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2084 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2085 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2086 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2087 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2088 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2089 {prec::Equality, "!="}, {prec::Equality, "==="}, 2090 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2091 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2092 {prec::ExclusiveOr, "^~"}, 2093 }; 2094 for (auto Operator : JoinedBinary) { 2095 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2096 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2097 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2098 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2099 } 2100 // '~^' and '^~' can be unary as well as binary operators. 2101 auto Tokens = Annotate("x = ~^x;"); 2102 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2103 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2104 Tokens = Annotate("x = ^~x;"); 2105 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2106 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2107 // The unary operators '~&' and '~|' can only be unary operators. The current 2108 // implementation treats each of them as separate unary '~' and '&' or '|' 2109 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2110 // there is a test that there is no space in between. And even if a new line 2111 // is inserted between the '~' and '|', the semantic meaning is the same as 2112 // the joined operator, so the CanBreakBefore property doesn't need to be 2113 // false for the second operator. 2114 Tokens = Annotate("x = ~&x;"); 2115 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2116 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2117 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2118 Tokens = Annotate("x = ~|x;"); 2119 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2120 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2121 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2122 // Test for block label colons. 2123 Tokens = Annotate("begin : x\n" 2124 "end : x"); 2125 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2126 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2127 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2128 // Test that the dimension colon is annotated correctly. 2129 Tokens = Annotate("var [1 : 0] x;"); 2130 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2131 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2132 Tokens = Annotate("extern function [1 : 0] x;"); 2133 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2134 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2135 Tokens = Annotate("module test\n" 2136 " (input wire [7 : 0] a[7 : 0]);\n" 2137 "endmodule"); 2138 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2139 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2140 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2141 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2142 // Test case labels and ternary operators. 2143 Tokens = Annotate("case (x)\n" 2144 " x:\n" 2145 " x;\n" 2146 "endcase"); 2147 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2148 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2149 Tokens = Annotate("case (x)\n" 2150 " x ? x : x:\n" 2151 " x;\n" 2152 "endcase"); 2153 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2154 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2155 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2156 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2157 // Non-blocking assignments. 2158 Tokens = Annotate("a <= b;"); 2159 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2160 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2161 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2162 Tokens = Annotate("if (a <= b) break;"); 2163 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2164 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2165 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2166 Tokens = Annotate("a <= b <= a;"); 2167 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2168 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2169 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2170 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2171 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2172 2173 // Port lists in module instantiation. 2174 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2175 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2176 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2177 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2178 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2179 "instance_2(port_2);"); 2180 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2181 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2182 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2183 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2184 2185 // Condition parentheses. 2186 Tokens = Annotate("assert (x);"); 2187 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2188 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2189 Tokens = Annotate("assert #0 (x);"); 2190 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2191 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2192 Tokens = Annotate("assert final (x);"); 2193 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2194 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2195 Tokens = Annotate("foreach (x[x]) continue;"); 2196 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2197 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2198 Tokens = Annotate("repeat (x[x]) continue;"); 2199 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2200 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2201 Tokens = Annotate("case (x) endcase;"); 2202 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2203 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2204 2205 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2206 // future, please adapt if those tokens get annotated. This test is only here 2207 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2208 Tokens = Annotate("always @(posedge x, posedge y);"); 2209 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2210 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2211 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2212 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2213 2214 // String literals in concatenation. 2215 Tokens = Annotate("x = {\"\"};"); 2216 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2217 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2218 Tokens = Annotate("x = {\"\", \"\"};"); 2219 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2220 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2221 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2222 Tokens = Annotate("x = '{{\"\"}};"); 2223 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2224 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2225 // Cases where the string should not be annotated that type. Fix the 2226 // `TT_Unknown` if needed in the future. 2227 Tokens = Annotate("x = {\"\" == \"\"};"); 2228 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2229 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2230 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2231 Tokens = Annotate("x = {(\"\")};"); 2232 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2233 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2234 Tokens = Annotate("x = '{\"\"};"); 2235 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2236 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2237 } 2238 2239 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2240 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2241 ASSERT_TRUE(Style.isTableGen()); 2242 2243 TestLexer Lexer(Allocator, Buffers, Style); 2244 AdditionalKeywords Keywords(Lexer.IdentTable); 2245 auto Annotate = [&Lexer](llvm::StringRef Code) { 2246 return Lexer.annotate(Code); 2247 }; 2248 2249 // Additional keywords representation test. 2250 auto Tokens = Annotate("def foo : Bar<1>;"); 2251 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2252 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2253 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2254 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2255 2256 // Code, the multiline string token. 2257 Tokens = Annotate("[{ code is multiline string }]"); 2258 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2259 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2260 EXPECT_FALSE(Tokens[0]->IsMultiline); 2261 // Case with multiple lines. 2262 Tokens = Annotate("[{ It can break\n" 2263 " across lines and the line breaks\n" 2264 " are retained in \n" 2265 " the string. }]"); 2266 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2267 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2268 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2269 EXPECT_TRUE(Tokens[0]->IsMultiline); 2270 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2271 2272 // Numeric literals. 2273 Tokens = Annotate("1234"); 2274 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2275 Tokens = Annotate("-1"); 2276 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2277 Tokens = Annotate("+1234"); 2278 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2279 Tokens = Annotate("0b0110"); 2280 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2281 Tokens = Annotate("0x1abC"); 2282 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2283 2284 // Identifier tokens. In TableGen, identifiers can begin with a number. 2285 // In ambiguous cases, the lexer tries to lex it as a number. 2286 // Even if the try fails, it does not fall back to identifier lexing and 2287 // regard as an error. 2288 // The ambiguity is not documented. The result of those tests are based on the 2289 // implementation of llvm::TGLexer::LexToken. 2290 // This is invalid syntax of number, but not an identifier. 2291 Tokens = Annotate("0x1234x"); 2292 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2293 Tokens = Annotate("identifier"); 2294 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2295 // Identifier beginning with a number. 2296 Tokens = Annotate("0x"); 2297 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2298 Tokens = Annotate("2dVector"); 2299 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2300 Tokens = Annotate("01234Vector"); 2301 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2302 2303 // Structured statements. 2304 Tokens = Annotate("class Foo {}"); 2305 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2306 Tokens = Annotate("def Def: Foo {}"); 2307 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2308 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2309 Tokens = Annotate("if cond then {} else {}"); 2310 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2311 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2312 Tokens = Annotate("defset Foo Def2 = {}"); 2313 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2314 2315 // Bang Operators. 2316 Tokens = Annotate("!foreach"); 2317 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2318 Tokens = Annotate("!if"); 2319 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2320 Tokens = Annotate("!cond"); 2321 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2322 2323 auto AnnotateValue = [this, &Style](llvm::StringRef Code) { 2324 // Values are annotated only in specific context. 2325 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2326 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2327 }; 2328 // Both of bang/cond operators. 2329 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2330 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2331 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2332 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2333 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2334 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2335 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2336 // DAGArg values with operator identifier 2337 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2338 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2339 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2340 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2341 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2342 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2343 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2344 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2345 // List literal 2346 Tokens = AnnotateValue("[1, 2, 3]"); 2347 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2348 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2349 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2350 // Suffixes of values 2351 Tokens = AnnotateValue("valid.field"); 2352 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2353 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2354 // Code 2355 Tokens = AnnotateValue("[{ code is multiline string }]"); 2356 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2357 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2358 2359 // The definition 2360 Tokens = annotate("def Def : Parent<Child> {}", Style); 2361 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2362 // We use inheritance colon and function brace. They are enough. 2363 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2364 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2365 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2366 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2367 2368 // DAGArg breaking options. They use different token types depending on what 2369 // is specified. 2370 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2371 2372 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2373 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2374 // elements to have line break. 2375 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2376 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2377 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2378 EXPECT_TOKEN(Tokens[1], tok::identifier, 2379 TT_TableGenDAGArgOperatorID); // ins 2380 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2381 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2382 2383 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2384 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2385 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2386 EXPECT_TOKEN(Tokens[1], tok::identifier, 2387 TT_TableGenDAGArgOperatorID); // other 2388 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2389 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2390 2391 // For non-identifier operators, breaks after the operator. 2392 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2393 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2394 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2395 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2396 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2397 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2398 2399 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2400 2401 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2402 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2403 // to have line break inside it. 2404 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2405 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2406 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2407 EXPECT_TOKEN(Tokens[1], tok::identifier, 2408 TT_TableGenDAGArgOperatorToBreak); // ins 2409 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2410 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2411 2412 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2413 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2414 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2415 EXPECT_TOKEN(Tokens[1], tok::identifier, 2416 TT_TableGenDAGArgOperatorToBreak); // other 2417 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2418 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2419 2420 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2421 // specified operators. 2422 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2423 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2424 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2425 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2426 EXPECT_TOKEN(Tokens[1], tok::identifier, 2427 TT_TableGenDAGArgOperatorToBreak); // ins 2428 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2429 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2430 2431 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2432 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2433 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2434 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2435 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2436 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2437 2438 // If TableGenBreakingDAGArgOperators is enabled, it uses 2439 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2440 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2441 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2442 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2443 EXPECT_TOKEN(Tokens[1], tok::identifier, 2444 TT_TableGenDAGArgOperatorToBreak); // ins 2445 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2446 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2447 2448 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2449 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2450 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2451 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2452 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2453 } 2454 2455 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2456 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2457 2458 // The TT_Unknown is clearly not binding for the future, please adapt if those 2459 // tokens get annotated. 2460 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2461 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2462 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2463 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2464 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2465 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2466 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2467 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2468 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2469 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2470 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2471 2472 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2473 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2474 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2475 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2476 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2477 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2478 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2479 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2480 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2481 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2482 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2483 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2484 2485 Tokens = annotate("class Class {\n" 2486 " Class() : BaseClass() {\n" 2487 "#if 0\n" 2488 " // comment\n" 2489 "#endif\n" 2490 " }\n" 2491 " Class f();\n" 2492 "}"); 2493 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2494 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2495 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2496 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2497 } 2498 2499 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2500 auto Tokens = annotate("if (x) {}"); 2501 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2502 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2503 Tokens = annotate("if constexpr (x) {}"); 2504 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2505 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2506 Tokens = annotate("if CONSTEXPR (x) {}"); 2507 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2508 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2509 Tokens = annotate("if (x) {} else if (x) {}"); 2510 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2511 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2512 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2513 } 2514 2515 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2516 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2517 2518 auto Tokens = annotate("int? a;", Style); 2519 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2520 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2521 2522 Tokens = annotate("int? a = 1;", Style); 2523 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2524 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2525 2526 Tokens = annotate("int?)", Style); 2527 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2528 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2529 2530 Tokens = annotate("int?>", Style); 2531 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2532 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2533 2534 Tokens = annotate("cond? id : id2", Style); 2535 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2536 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2537 2538 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2539 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2540 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2541 } 2542 2543 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2544 auto Tokens = annotate("{ x: break; }"); 2545 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2546 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2547 Tokens = annotate("{ case x: break; }"); 2548 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2549 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2550 Tokens = annotate("{ x: { break; } }"); 2551 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2552 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2553 Tokens = annotate("{ case x: { break; } }"); 2554 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2555 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2556 } 2557 2558 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2559 // The closing braces are not annotated. It doesn't seem to cause a problem. 2560 // So we only test for the opening braces. 2561 auto Tokens = annotate("{\n" 2562 " {\n" 2563 " { int a = 0; }\n" 2564 " }\n" 2565 " {}\n" 2566 "}"); 2567 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2568 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2569 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2570 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2571 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2572 } 2573 2574 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2575 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2576 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2577 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2578 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2579 2580 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2581 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2582 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2583 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2584 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2585 2586 Tokens = annotate("SomeStruct {\n" 2587 "#ifdef FOO\n" 2588 " .a = 1,\n" 2589 "#endif\n" 2590 " .b = 2\n" 2591 "};"); 2592 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2593 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2594 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2595 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2596 2597 Tokens = annotate("SomeStruct {\n" 2598 "#if defined FOO\n" 2599 " .a = 1,\n" 2600 "#endif\n" 2601 " .b = 2\n" 2602 "};"); 2603 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2604 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2605 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2606 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2607 2608 Tokens = annotate("Foo foo[] = {[0]{}};"); 2609 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2610 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2611 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2612 } 2613 2614 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2615 auto Annotate = [this](llvm::StringRef Code) { 2616 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2617 }; 2618 2619 // Dictionary. 2620 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2621 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2622 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2623 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2624 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2625 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2626 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2627 // Change when we need to annotate these. 2628 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2629 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2630 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2631 } 2632 2633 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2634 auto Tokens = annotate("bool foo __attribute__((unused));"); 2635 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2636 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2637 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2638 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2639 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2640 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2641 2642 Tokens = annotate("bool foo __declspec(dllimport);"); 2643 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2644 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2645 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2646 2647 Tokens = annotate("bool __attribute__((unused)) foo;"); 2648 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2649 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2650 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2651 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2652 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2653 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2654 2655 Tokens = annotate("void __attribute__((x)) Foo();"); 2656 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2657 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2658 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2659 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2660 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2661 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2662 2663 FormatStyle Style = getLLVMStyle(); 2664 Style.AttributeMacros.push_back("FOO"); 2665 Tokens = annotate("bool foo FOO(unused);", Style); 2666 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2667 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2668 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2669 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2670 } 2671 2672 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2673 auto Tokens = annotate("while (true) {}"); 2674 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2675 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2676 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2677 2678 Tokens = annotate("for (;;) {}"); 2679 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2680 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2681 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2682 2683 Tokens = annotate("do {} while (true);"); 2684 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2685 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2686 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2687 2688 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2689 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2690 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2691 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2692 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2693 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2694 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2695 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2696 2697 Tokens = annotate("switch (foo) {}"); 2698 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2699 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2700 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2701 } 2702 2703 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2704 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2705 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2706 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2707 2708 Tokens = annotate("do ++i; while ( i > 5 );"); 2709 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2710 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2711 } 2712 2713 TEST_F(TokenAnnotatorTest, StartOfName) { 2714 auto Tokens = annotate("#pragma clang diagnostic push"); 2715 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2716 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2717 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2718 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2719 2720 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2721 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2722 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2723 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2724 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2725 2726 Tokens = annotate("#define FOO Foo foo"); 2727 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2728 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2729 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2730 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2731 2732 Tokens = annotate("@interface NSCoder (TestCoder)"); 2733 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2734 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2735 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2736 } 2737 2738 TEST_F(TokenAnnotatorTest, BraceKind) { 2739 auto Tokens = annotate("void f() {};"); 2740 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2741 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2742 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2743 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2744 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2745 2746 Tokens = annotate("class Foo<int> f() {}"); 2747 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2748 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2749 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2750 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2751 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2752 2753 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2754 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2755 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2756 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2757 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2758 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2759 2760 Tokens = annotate("void f() override {};"); 2761 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2762 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2763 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2764 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2765 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2766 2767 Tokens = annotate("void f() noexcept(false) {};"); 2768 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2769 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2770 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2771 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2772 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2773 2774 Tokens = annotate("auto f() -> void {};"); 2775 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2776 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2777 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2778 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2779 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2780 2781 Tokens = annotate("void f() { /**/ };"); 2782 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2783 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2784 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2785 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2786 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2787 2788 Tokens = annotate("void f() { //\n" 2789 "};"); 2790 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2791 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2792 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2793 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2794 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2795 2796 Tokens = annotate("void f() {\n" 2797 " //\n" 2798 "};"); 2799 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2800 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2801 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2802 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2803 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2804 2805 Tokens = annotate("struct Foo {\n" 2806 " Foo() {};\n" 2807 " ~Foo() {};\n" 2808 "};"); 2809 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2810 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2811 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2812 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2813 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2814 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2815 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2816 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2817 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2818 2819 Tokens = annotate("{\n" 2820 " char *a[] = {\n" 2821 " /* abc */ \"abc\",\n" 2822 "#if FOO\n" 2823 " /* xyz */ \"xyz\",\n" 2824 "#endif\n" 2825 " /* last */ \"last\"};\n" 2826 "}"); 2827 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2828 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2829 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2830 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 2831 2832 Tokens = 2833 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 2834 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 2835 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2836 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2837 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 2838 } 2839 2840 TEST_F(TokenAnnotatorTest, StreamOperator) { 2841 auto Tokens = annotate("\"foo\\n\" << aux << \"foo\\n\" << \"foo\";"); 2842 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2843 EXPECT_FALSE(Tokens[1]->MustBreakBefore); 2844 EXPECT_FALSE(Tokens[3]->MustBreakBefore); 2845 // Only break between string literals if the former ends with \n. 2846 EXPECT_TRUE(Tokens[5]->MustBreakBefore); 2847 } 2848 2849 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 2850 auto Tokens = annotate("auto foo() -> enum En {}"); 2851 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2852 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2853 } 2854 2855 } // namespace 2856 } // namespace format 2857 } // namespace clang 2858