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 } 624 625 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 626 auto Tokens = annotate("void f() throw(int);"); 627 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 628 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 629 } 630 631 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 632 auto Tokens = annotate("void f() &;"); 633 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 634 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 635 636 Tokens = annotate("void operator=(T) &&;"); 637 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 638 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 639 640 Tokens = annotate("template <typename T> void f() &;"); 641 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 642 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 643 644 Tokens = annotate("template <typename T> void operator=(T) &;"); 645 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 646 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 647 } 648 649 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 650 auto Tokens = annotate("x.operator+()"); 651 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 652 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 653 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 654 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 655 Tokens = annotate("x.operator=()"); 656 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 657 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 658 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 659 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 660 Tokens = annotate("x.operator+=()"); 661 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 662 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 663 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 664 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 665 Tokens = annotate("x.operator,()"); 666 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 667 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 668 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 669 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 670 Tokens = annotate("x.operator()()"); 671 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 672 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 673 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 674 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 675 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 676 Tokens = annotate("x.operator[]()"); 677 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 678 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 679 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 680 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 681 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 682 Tokens = annotate("x.operator\"\"_a()"); 683 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 684 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 685 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 686 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 687 Tokens = annotate("x.operator\"\" _a()"); 688 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 689 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 690 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 691 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 692 Tokens = annotate("x.operator\"\"if()"); 693 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 694 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 695 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 696 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 697 Tokens = annotate("x.operator\"\"s()"); 698 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 699 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 700 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 701 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 702 Tokens = annotate("x.operator\"\" s()"); 703 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 704 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 705 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 706 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 707 708 Tokens = annotate("int operator+(int);"); 709 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 710 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 711 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 712 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 713 Tokens = annotate("auto operator=(T&) {}"); 714 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 715 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 716 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 717 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 718 Tokens = annotate("auto operator()() {}"); 719 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 720 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 721 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 722 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 723 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 724 725 Tokens = annotate("class Foo {\n" 726 " int operator+(a* b);\n" 727 "}"); 728 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 729 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 730 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 731 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 732 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 733 734 Tokens = annotate("class Foo {\n" 735 " int c = operator+(a * b);\n" 736 "}"); 737 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 738 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 739 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 740 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 741 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 742 743 Tokens = annotate("void foo() {\n" 744 " operator+(a * b);\n" 745 "}"); 746 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 747 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 748 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 749 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 750 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 751 752 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 753 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 754 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 755 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 756 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 757 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 758 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 759 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 760 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 761 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 762 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 763 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 764 765 Tokens = annotate("class Foo {\n" 766 " void foo() {\n" 767 " operator+(a * b);\n" 768 " }\n" 769 "}"); 770 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 771 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 772 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 773 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 774 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 775 776 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 777 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 778 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 779 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 780 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 781 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 782 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 783 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 784 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 785 786 Tokens = annotate("decltype(auto) operator()(T &x);"); 787 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 788 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 789 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 790 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 791 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 792 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 793 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 794 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 795 } 796 797 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 798 struct { 799 const char *Text; 800 tok::TokenKind Kind; 801 } Operators[] = {{"+", tok::plus}, 802 {"-", tok::minus}, 803 // FIXME: 804 // {"*", tok::star}, 805 {"/", tok::slash}, 806 {"%", tok::percent}, 807 {"^", tok::caret}, 808 // FIXME: 809 // {"&", tok::amp}, 810 {"|", tok::pipe}, 811 {"~", tok::tilde}, 812 {"!", tok::exclaim}, 813 {"=", tok::equal}, 814 // FIXME: 815 // {"<", tok::less}, 816 {">", tok::greater}, 817 {"+=", tok::plusequal}, 818 {"-=", tok::minusequal}, 819 {"*=", tok::starequal}, 820 {"/=", tok::slashequal}, 821 {"%=", tok::percentequal}, 822 {"^=", tok::caretequal}, 823 {"&=", tok::ampequal}, 824 {"|=", tok::pipeequal}, 825 {"<<", tok::lessless}, 826 {">>", tok::greatergreater}, 827 {">>=", tok::greatergreaterequal}, 828 {"<<=", tok::lesslessequal}, 829 {"==", tok::equalequal}, 830 {"!=", tok::exclaimequal}, 831 {"<=", tok::lessequal}, 832 {">=", tok::greaterequal}, 833 {"<=>", tok::spaceship}, 834 {"&&", tok::ampamp}, 835 {"||", tok::pipepipe}, 836 {"++", tok::plusplus}, 837 {"--", tok::minusminus}, 838 {",", tok::comma}, 839 {"->*", tok::arrowstar}, 840 {"->", tok::arrow}}; 841 842 for (const auto &Operator : Operators) { 843 std::string Input("C<&operator"); 844 Input += Operator.Text; 845 Input += " > a;"; 846 auto Tokens = annotate(std::string(Input)); 847 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 848 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 849 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 850 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 851 } 852 853 auto Tokens = annotate("C<&operator< <X>> lt;"); 854 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 855 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 856 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 857 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 858 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 859 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 860 } 861 862 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 863 auto Tokens = annotate("template <typename T>\n" 864 "concept C = (Foo && Bar) && (Bar && Baz);"); 865 866 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 867 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 868 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 869 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 870 871 Tokens = annotate("template <typename T>\n" 872 "concept C = Foo && !Bar;"); 873 874 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 875 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 876 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 877 878 Tokens = annotate("template <typename T>\n" 879 "concept C = requires(T t) {\n" 880 " { t.foo() };\n" 881 "} && Bar<T> && Baz<T>;"); 882 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 883 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 884 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 885 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 886 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 887 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 888 889 Tokens = annotate("template<typename T>\n" 890 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 891 "struct Foo;"); 892 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 893 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 894 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 895 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 896 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 897 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 898 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 899 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 900 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 901 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 902 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 903 904 Tokens = 905 annotate("template<typename T>\n" 906 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 907 "struct Foo;"); 908 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 909 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 910 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 911 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 912 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 913 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 914 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 915 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 916 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 917 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 918 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 919 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 920 921 Tokens = annotate("template <typename T>\n" 922 "void foo(T) noexcept requires Bar<T>;"); 923 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 924 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 925 926 Tokens = annotate("template <typename T>\n" 927 "requires Bar<T> || Baz<T>\n" 928 "auto foo(T) -> int;"); 929 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 930 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 931 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 932 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 933 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 934 935 Tokens = annotate("template <typename T>\n" 936 "requires Bar<T>\n" 937 "bool foo(T) { return false; }"); 938 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 939 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 940 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 941 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 942 943 Tokens = annotate("template <typename T>\n" 944 "requires Bar<T>\n" 945 "decltype(auto) foo(T) { return false; }"); 946 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 947 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 948 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 949 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 950 951 Tokens = annotate("template <typename T>\n" 952 "struct S {\n" 953 " void foo() const requires Bar<T>;\n" 954 " void bar() const & requires Baz<T>;\n" 955 " void bar() && requires Baz2<T>;\n" 956 " void baz() const & noexcept requires Baz<T>;\n" 957 " void baz() && noexcept requires Baz2<T>;\n" 958 "};\n" 959 "\n" 960 "void S::bar() const & requires Baz<T> { }"); 961 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 962 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 963 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 964 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 965 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 966 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 967 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 968 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 969 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 970 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 971 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 972 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 973 974 Tokens = annotate("void Class::member() && requires(Constant) {}"); 975 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 976 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 977 978 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 979 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 980 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 981 982 Tokens = 983 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 984 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 985 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 986 987 Tokens = annotate("void Class::member() && requires(typename " 988 "Namespace::Outer<T>::Inner::Constant) {}"); 989 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 990 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 991 992 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 993 " template<class T>\n" 994 " requires requires { number_zero_v<T>; }\n" 995 " [[nodiscard]] constexpr operator T() const { " 996 "return number_zero_v<T>; }\n" 997 "};"); 998 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 999 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1000 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1001 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1002 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1003 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1004 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1005 1006 Tokens = 1007 annotate("template <class A, class B> concept C =" 1008 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1009 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1010 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1011 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1012 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1013 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1014 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1015 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1016 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1017 1018 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1019 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1020 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1021 1022 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1023 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1024 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1025 1026 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1027 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1028 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1029 1030 Tokens = 1031 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1032 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1033 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1034 1035 Tokens = 1036 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1037 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1038 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1039 1040 Tokens = 1041 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1042 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1043 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1044 1045 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1046 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1047 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1048 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1049 1050 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1051 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1052 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1053 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1054 1055 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1056 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1057 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1058 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1059 1060 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1061 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1062 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1063 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1064 1065 Tokens = annotate("void f() & requires(true) {}"); 1066 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1067 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1068 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1069 1070 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1071 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1072 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1073 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1074 1075 Tokens = annotate("template <typename T>\n" 1076 "concept C = (!Foo<T>) && Bar;"); 1077 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1078 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1079 1080 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1081 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1082 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1083 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1084 1085 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1086 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1087 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1088 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1089 1090 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1091 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1092 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1093 1094 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1095 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1096 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1097 1098 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1099 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1100 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1101 } 1102 1103 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1104 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1105 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1106 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1107 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1108 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1109 1110 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1111 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1112 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1113 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1114 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1115 1116 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1117 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1118 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1119 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1120 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1121 1122 Tokens = annotate("foo(requires(const T t) {});"); 1123 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1124 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1125 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1126 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1127 1128 Tokens = annotate("foo(requires(const int t) {});"); 1129 ASSERT_EQ(Tokens.size(), 13u) << 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[8], tok::l_brace, TT_RequiresExpressionLBrace); 1133 1134 Tokens = annotate("foo(requires(const T t) {});"); 1135 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1136 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1137 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1138 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1139 1140 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1141 ASSERT_EQ(Tokens.size(), 15u) << 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[6], tok::star, TT_PointerOrReference); 1145 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1146 1147 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1148 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1149 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1150 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1151 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1152 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1153 1154 Tokens = annotate("foo(requires(T& t) {});"); 1155 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1156 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1157 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1158 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1159 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1160 1161 Tokens = annotate("foo(requires(T&& t) {});"); 1162 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1163 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1164 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1165 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1166 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1167 1168 Tokens = annotate("bool foo = requires(T& t) {};"); 1169 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1170 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1171 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1172 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1173 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1174 1175 Tokens = annotate("bool foo = requires(T&& t) {};"); 1176 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1177 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1178 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1179 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1180 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1181 1182 Tokens = 1183 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1184 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1185 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1186 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1187 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1188 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1189 1190 Tokens = annotate("template <typename T>\n" 1191 "concept C = requires(T T) {\n" 1192 " requires Bar<T> && Foo<T>;\n" 1193 "};"); 1194 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1195 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1196 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1197 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1198 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1199 TT_RequiresClauseInARequiresExpression); 1200 1201 Tokens = annotate("template <typename T>\n" 1202 "concept C = requires(T T) {\n" 1203 " { t.func() } -> std::same_as<int>;" 1204 " requires Bar<T> && Foo<T>;\n" 1205 "};"); 1206 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1207 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1208 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1209 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1210 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1211 TT_RequiresClauseInARequiresExpression); 1212 1213 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1214 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1215 "requires true; };"); 1216 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1217 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1218 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1219 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1220 1221 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1222 " { c.foo(); }\n" 1223 "};"); 1224 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1225 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1226 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1227 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1228 } 1229 1230 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1231 // Everything after #pragma region should be ImplicitStringLiteral 1232 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1233 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1234 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1235 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1236 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1237 1238 // Make sure it's annotated correctly inside a function as well 1239 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1240 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1241 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1242 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1243 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1244 } 1245 1246 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1247 const char *BaseCode = nullptr; 1248 const char *ConstrainedCode = nullptr; 1249 auto BaseTokenCount = 0u; 1250 auto RequiresTokenCount = 0u; 1251 auto PrefixTokenCount = 0u; 1252 1253 auto TestRequires = [&](int Line) { 1254 const auto BaseTokens = annotate(BaseCode); 1255 const auto ConstrainedTokens = annotate(ConstrainedCode); 1256 1257 #define LINE " (Line " << Line << ')' 1258 1259 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1260 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1261 << LINE; 1262 1263 for (auto I = 0u; I < BaseTokenCount; ++I) { 1264 EXPECT_EQ( 1265 *BaseTokens[I], 1266 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1267 << I << LINE; 1268 } 1269 1270 #undef LINE 1271 }; 1272 1273 BaseCode = "template<typename T>\n" 1274 "T Pi = 3.14;"; 1275 ConstrainedCode = "template<typename T>\n" 1276 " requires Foo<T>\n" 1277 "T Pi = 3.14;"; 1278 BaseTokenCount = 11; 1279 RequiresTokenCount = 5; 1280 PrefixTokenCount = 5; 1281 TestRequires(__LINE__); 1282 1283 BaseCode = "template<typename T>\n" 1284 "struct Bar;"; 1285 ConstrainedCode = "template<typename T>\n" 1286 " requires Foo<T>\n" 1287 "struct Bar;"; 1288 BaseTokenCount = 9; 1289 TestRequires(__LINE__); 1290 1291 BaseCode = "template<typename T>\n" 1292 "struct Bar {\n" 1293 " T foo();\n" 1294 " T bar();\n" 1295 "};"; 1296 ConstrainedCode = "template<typename T>\n" 1297 " requires Foo<T>\n" 1298 "struct Bar {\n" 1299 " T foo();\n" 1300 " T bar();\n" 1301 "};"; 1302 BaseTokenCount = 21; 1303 TestRequires(__LINE__); 1304 1305 BaseCode = "template<typename T>\n" 1306 "Bar(T) -> Bar<T>;"; 1307 ConstrainedCode = "template<typename T>\n" 1308 " requires Foo<T>\n" 1309 "Bar(T) -> Bar<T>;"; 1310 BaseTokenCount = 16; 1311 TestRequires(__LINE__); 1312 1313 BaseCode = "template<typename T>\n" 1314 "T foo();"; 1315 ConstrainedCode = "template<typename T>\n" 1316 " requires Foo<T>\n" 1317 "T foo();"; 1318 BaseTokenCount = 11; 1319 TestRequires(__LINE__); 1320 1321 BaseCode = "template<typename T>\n" 1322 "T foo() {\n" 1323 " auto bar = baz();\n" 1324 " return bar + T{};\n" 1325 "}"; 1326 ConstrainedCode = "template<typename T>\n" 1327 " requires Foo<T>\n" 1328 "T foo() {\n" 1329 " auto bar = baz();\n" 1330 " return bar + T{};\n" 1331 "}"; 1332 BaseTokenCount = 26; 1333 TestRequires(__LINE__); 1334 1335 BaseCode = "template<typename T>\n" 1336 "T foo();"; 1337 ConstrainedCode = "template<typename T>\n" 1338 "T foo() requires Foo<T>;"; 1339 BaseTokenCount = 11; 1340 PrefixTokenCount = 9; 1341 TestRequires(__LINE__); 1342 1343 BaseCode = "template<typename T>\n" 1344 "T foo() {\n" 1345 " auto bar = baz();\n" 1346 " return bar + T{};\n" 1347 "}"; 1348 ConstrainedCode = "template<typename T>\n" 1349 "T foo() requires Foo<T> {\n" 1350 " auto bar = baz();\n" 1351 " return bar + T{};\n" 1352 "}"; 1353 BaseTokenCount = 26; 1354 TestRequires(__LINE__); 1355 1356 BaseCode = "template<typename T>\n" 1357 "T foo();"; 1358 ConstrainedCode = "template<typename T>\n" 1359 " requires(Foo<T>)\n" 1360 "T foo();"; 1361 BaseTokenCount = 11; 1362 RequiresTokenCount = 7; 1363 PrefixTokenCount = 5; 1364 TestRequires(__LINE__); 1365 1366 BaseCode = "template<typename T>\n" 1367 "Bar(T) -> Bar<typename T::I>;"; 1368 ConstrainedCode = "template<typename T>\n" 1369 " requires requires(T &&t) {\n" 1370 " typename T::I;\n" 1371 " }\n" 1372 "Bar(T) -> Bar<typename T::I>;"; 1373 BaseTokenCount = 19; 1374 RequiresTokenCount = 14; 1375 PrefixTokenCount = 5; 1376 TestRequires(__LINE__); 1377 1378 BaseCode = "struct [[nodiscard]] zero_t {\n" 1379 " template<class T>\n" 1380 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1381 "};"; 1382 ConstrainedCode = 1383 "struct [[nodiscard]] zero_t {\n" 1384 " template<class T>\n" 1385 " requires requires { v<T>; }\n" 1386 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1387 "};"; 1388 BaseTokenCount = 35; 1389 RequiresTokenCount = 9; 1390 PrefixTokenCount = 13; 1391 TestRequires(__LINE__); 1392 1393 BaseCode = "constexpr Foo(Foo const &other)\n" 1394 " : value{other.value} {\n" 1395 " do_magic();\n" 1396 " do_more_magic();\n" 1397 "}"; 1398 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1399 " requires std::is_copy_constructible<T>\n" 1400 " : value{other.value} {\n" 1401 " do_magic();\n" 1402 " do_more_magic();\n" 1403 "}"; 1404 BaseTokenCount = 26; 1405 RequiresTokenCount = 7; 1406 PrefixTokenCount = 8; 1407 TestRequires(__LINE__); 1408 1409 BaseCode = "constexpr Foo(Foo const &other)\n" 1410 " : value{other.value} {\n" 1411 " do_magic();\n" 1412 " do_more_magic();\n" 1413 "}"; 1414 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1415 " requires (std::is_copy_constructible<T>)\n" 1416 " : value{other.value} {\n" 1417 " do_magic();\n" 1418 " do_more_magic();\n" 1419 "}"; 1420 RequiresTokenCount = 9; 1421 TestRequires(__LINE__); 1422 1423 BaseCode = "template<typename T>\n" 1424 "ANNOTATE(\"S\"\n" 1425 " \"S\")\n" 1426 "void foo();"; 1427 ConstrainedCode = "template<typename T>\n" 1428 " requires(true)\n" 1429 "ANNOTATE(\"S\"\n" 1430 " \"S\")\n" 1431 "void foo();"; 1432 BaseTokenCount = 16; 1433 RequiresTokenCount = 4; 1434 PrefixTokenCount = 5; 1435 TestRequires(__LINE__); 1436 } 1437 1438 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1439 auto Tokens = annotate("__asm{\n" 1440 "a:\n" 1441 "};"); 1442 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1443 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1444 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1445 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_InlineASMBrace); 1446 } 1447 1448 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1449 auto Tokens = annotate("int (^)() = ^ ()\n" 1450 " external_source_symbol() { //\n" 1451 " return 1;\n" 1452 "};"); 1453 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1454 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1455 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1456 1457 Tokens = annotate("int *p = ^int*(){ //\n" 1458 " return nullptr;\n" 1459 "}();"); 1460 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1461 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1462 } 1463 1464 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1465 auto Tokens = annotate("void f() {\n" 1466 " //\n" 1467 " BOOL a = [b.c n] > 1;\n" 1468 "}"); 1469 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1470 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1471 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1472 } 1473 1474 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1475 auto Tokens = annotate("[]() constexpr {}"); 1476 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1477 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1478 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1479 1480 Tokens = annotate("[]() consteval {}"); 1481 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1482 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1483 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1484 1485 Tokens = annotate("[]() mutable {}"); 1486 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1487 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1488 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1489 1490 Tokens = annotate("[]() static {}"); 1491 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1492 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1493 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1494 1495 Tokens = annotate("[]() -> auto {}"); 1496 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1497 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1498 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1499 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1500 1501 Tokens = annotate("[]() -> auto & {}"); 1502 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1503 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1504 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1505 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1506 1507 Tokens = annotate("[]() -> auto * {}"); 1508 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1509 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1510 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1511 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1512 1513 Tokens = annotate("[] {}"); 1514 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1515 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1516 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1517 1518 Tokens = annotate("[] noexcept {}"); 1519 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1520 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1521 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1522 1523 Tokens = annotate("[] -> auto {}"); 1524 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1525 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1526 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1527 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1528 1529 Tokens = annotate("[] <typename T> () {}"); 1530 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1531 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1532 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1533 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1534 1535 Tokens = annotate("[] <typename T> {}"); 1536 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1537 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1538 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1539 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1540 1541 Tokens = annotate("[] <typename... T> () {}"); 1542 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1543 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1544 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1545 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1546 1547 Tokens = annotate("[] <typename... T> {}"); 1548 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1549 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1550 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1551 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1552 1553 Tokens = annotate("[] <int... T> () {}"); 1554 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1555 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1556 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1557 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1558 1559 Tokens = annotate("[] <int... T> {}"); 1560 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1561 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1562 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1563 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1564 1565 Tokens = annotate("[] <Foo... T> () {}"); 1566 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1567 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1568 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1569 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1570 1571 Tokens = annotate("[] <Foo... T> {}"); 1572 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1573 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1574 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1575 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1576 1577 // Lambdas with a requires-clause 1578 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1579 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1580 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1581 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1582 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1583 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1584 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1585 1586 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1587 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1588 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1589 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1590 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1591 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1592 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1593 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1594 1595 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1596 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1597 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1598 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1599 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1600 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1601 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1602 1603 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1604 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1605 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1606 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1607 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1608 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1609 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1610 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1611 1612 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1613 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1614 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1615 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1616 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1617 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1618 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1619 1620 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1621 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1622 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1623 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1624 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1625 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1626 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1627 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1628 1629 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1630 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1631 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1632 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1633 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1634 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1635 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1636 1637 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1638 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1639 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1640 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1641 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1642 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1643 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1644 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1645 1646 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1647 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1648 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1649 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1650 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1651 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1652 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1653 1654 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1655 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1656 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1657 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1658 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1659 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1660 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1661 1662 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1663 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1664 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1665 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1666 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1667 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1668 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1669 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1670 1671 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1672 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1673 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1674 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1675 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1676 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1677 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1678 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1679 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1680 1681 Tokens = annotate("[] <typename T = int> (T t) {}"); 1682 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1683 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1684 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1685 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1686 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1687 1688 Tokens = annotate("[] <int I = 0> (T t) {}"); 1689 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1690 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1691 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1692 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1693 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1694 1695 Tokens = annotate("[] <bool b = false> (T t) {}"); 1696 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1697 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1698 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1699 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1700 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1701 1702 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1703 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1704 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1705 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1706 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1707 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1708 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1709 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1710 1711 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1712 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1713 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1714 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1715 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1716 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1717 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1718 } 1719 1720 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1721 auto Tokens = annotate("template <typename T>\n" 1722 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1723 "string OldFunction(const string ¶meter) {}"); 1724 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1725 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1726 1727 Tokens = annotate("template <typename T>\n" 1728 "A(T) noexcept;"); 1729 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1730 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1731 } 1732 1733 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1734 auto Tokens = annotate("void f [[noreturn]] ();"); 1735 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1736 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1737 1738 Tokens = annotate("void f [[noreturn]] () {}"); 1739 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1740 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1741 1742 Tokens = annotate("#define FOO Foo::\n" 1743 "FOO Foo();"); 1744 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1745 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1746 1747 Tokens = annotate("struct Foo {\n" 1748 " Bar (*func)();\n" 1749 "};"); 1750 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1751 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1752 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1753 1754 auto Style = getLLVMStyle(); 1755 Style.TypeNames.push_back("time_t"); 1756 Tokens = annotate("int iso_time(time_t);", Style); 1757 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1758 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1759 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1760 } 1761 1762 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1763 auto Tokens = annotate("class Foo { public: Foo(); };"); 1764 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1765 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1766 1767 Tokens = annotate("class Foo { public: ~Foo(); };"); 1768 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1769 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1770 1771 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1772 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1773 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1774 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1775 1776 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1777 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1778 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1779 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1780 1781 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1782 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1783 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1784 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1785 1786 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1787 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1788 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1789 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1790 1791 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1792 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1793 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1794 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1795 1796 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1797 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1798 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1799 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1800 1801 Tokens = annotate("Foo::Foo() {}"); 1802 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1803 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1804 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1805 1806 Tokens = annotate("Foo::~Foo() {}"); 1807 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1808 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1809 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1810 1811 Tokens = annotate("struct Test {\n" 1812 " Test()\n" 1813 " : l([] {\n" 1814 " Short::foo();\n" 1815 " }) {}\n" 1816 "};"); 1817 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1818 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1819 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1820 } 1821 1822 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1823 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1824 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1825 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1826 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1827 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1828 } 1829 1830 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1831 auto Tokens = annotate("auto f() -> int;"); 1832 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1833 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1834 1835 Tokens = annotate("auto operator->() -> int;"); 1836 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1837 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1838 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1839 1840 Tokens = annotate("auto operator++(int) -> int;"); 1841 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1842 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1843 1844 Tokens = annotate("auto operator=() -> int;"); 1845 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1846 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1847 1848 Tokens = annotate("auto operator=(int) -> int;"); 1849 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1850 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1851 1852 Tokens = annotate("auto foo() -> auto { return Val; }"); 1853 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1854 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1855 1856 Tokens = annotate("struct S { auto bar() const -> int; };"); 1857 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1858 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 1859 1860 // Not trailing return arrows 1861 Tokens = annotate("auto a = b->c;"); 1862 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1863 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1864 1865 Tokens = annotate("auto a = (b)->c;"); 1866 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1867 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1868 1869 Tokens = annotate("auto a = b()->c;"); 1870 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1871 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 1872 1873 Tokens = annotate("auto a = b->c();"); 1874 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1875 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 1876 1877 Tokens = annotate("decltype(auto) a = b()->c;"); 1878 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1879 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1880 1881 Tokens = annotate("void f() { auto a = b->c(); }"); 1882 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1883 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 1884 1885 Tokens = annotate("void f() { auto a = b()->c; }"); 1886 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1887 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 1888 1889 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 1890 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1891 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 1892 1893 Tokens = annotate("void f() FOO(foo->bar);"); 1894 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1895 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 1896 1897 // Mixed 1898 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 1899 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1900 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1901 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 1902 } 1903 1904 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 1905 auto Tokens = annotate("#define Foo(Bar) \\\n" 1906 " { \\\n" 1907 " #Bar \\\n" 1908 " }"); 1909 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1910 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 1911 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 1912 1913 Tokens = annotate("#define Foo(Bar) \\\n" 1914 " { #Bar }"); 1915 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1916 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 1917 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 1918 } 1919 1920 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 1921 // '__attribute__' has special handling. 1922 auto Tokens = annotate("__attribute__(X) void Foo(void);"); 1923 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1924 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1925 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1926 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1927 1928 // Generic macro has no special handling in this location. 1929 Tokens = annotate("A(X) void Foo(void);"); 1930 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1931 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 1932 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 1933 1934 // Add a custom AttributeMacro. Test that it has the same behavior. 1935 FormatStyle Style = getLLVMStyle(); 1936 Style.AttributeMacros.push_back("A"); 1937 1938 // An "AttributeMacro" gets annotated like '__attribute__'. 1939 Tokens = annotate("A(X) void Foo(void);", Style); 1940 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1941 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1942 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1943 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1944 } 1945 1946 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 1947 // '__attribute__' has special handling. 1948 auto Tokens = annotate("__attribute__(X) @interface Foo"); 1949 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1950 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 1951 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1952 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1953 1954 // Generic macro has no special handling in this location. 1955 Tokens = annotate("A(X) @interface Foo"); 1956 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1957 // Note: Don't check token-type as a random token in this position is hard to 1958 // reason about. 1959 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 1960 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 1961 1962 // Add a custom AttributeMacro. Test that it has the same behavior. 1963 FormatStyle Style = getLLVMStyle(); 1964 Style.AttributeMacros.push_back("A"); 1965 1966 // An "AttributeMacro" gets annotated like '__attribute__'. 1967 Tokens = annotate("A(X) @interface Foo", Style); 1968 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1969 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 1970 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 1971 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 1972 } 1973 1974 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 1975 // '__attribute__' has special handling. 1976 auto Tokens = annotate("- (id)init __attribute__(X);"); 1977 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1978 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 1979 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1980 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 1981 1982 // Generic macro has no special handling in this location. 1983 Tokens = annotate("- (id)init A(X);"); 1984 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1985 // Note: Don't check token-type as a random token in this position is hard to 1986 // reason about. 1987 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 1988 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 1989 1990 // Add a custom AttributeMacro. Test that it has the same behavior. 1991 FormatStyle Style = getLLVMStyle(); 1992 Style.AttributeMacros.push_back("A"); 1993 1994 // An "AttributeMacro" gets annotated like '__attribute__'. 1995 Tokens = annotate("- (id)init A(X);", Style); 1996 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1997 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 1998 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 1999 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2000 } 2001 2002 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2003 // '__attribute__' has special handling. 2004 auto Tokens = annotate("@property(weak) id delegate __attribute__(X);"); 2005 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2006 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2007 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2008 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2009 2010 // Generic macro has no special handling in this location. 2011 Tokens = annotate("@property(weak) id delegate A(X);"); 2012 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2013 // Note: Don't check token-type as a random token in this position is hard to 2014 // reason about. 2015 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2016 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2017 2018 // Add a custom AttributeMacro. Test that it has the same behavior. 2019 FormatStyle Style = getLLVMStyle(); 2020 Style.AttributeMacros.push_back("A"); 2021 2022 // An "AttributeMacro" gets annotated like '__attribute__'. 2023 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2024 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2025 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2026 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2027 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2028 } 2029 2030 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2031 auto Annotate = [this](llvm::StringRef Code) { 2032 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2033 }; 2034 // Test that unary operators get labeled as such and that operators like '++' 2035 // don't get split. 2036 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2037 tok::tilde, tok::amp, tok::pipe, 2038 tok::caret, tok::plusplus, tok::minusminus}; 2039 for (auto Kind : Unary) { 2040 auto Tokens = 2041 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2042 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2043 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2044 } 2045 // Operators formed by joining two operators like '^~'. For some of these 2046 // joined operators, we don't have a separate type, so we only test for their 2047 // precedence. 2048 std::pair<prec::Level, std::string> JoinedBinary[] = { 2049 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2050 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2051 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2052 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2053 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2054 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2055 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2056 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2057 {prec::Equality, "!="}, {prec::Equality, "==="}, 2058 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2059 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2060 {prec::ExclusiveOr, "^~"}, 2061 }; 2062 for (auto Operator : JoinedBinary) { 2063 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2064 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2065 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2066 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2067 } 2068 // '~^' and '^~' can be unary as well as binary operators. 2069 auto Tokens = Annotate("x = ~^x;"); 2070 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2071 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2072 Tokens = Annotate("x = ^~x;"); 2073 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2074 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2075 // The unary operators '~&' and '~|' can only be unary operators. The current 2076 // implementation treats each of them as separate unary '~' and '&' or '|' 2077 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2078 // there is a test that there is no space in between. And even if a new line 2079 // is inserted between the '~' and '|', the semantic meaning is the same as 2080 // the joined operator, so the CanBreakBefore property doesn't need to be 2081 // false for the second operator. 2082 Tokens = Annotate("x = ~&x;"); 2083 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2084 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2085 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2086 Tokens = Annotate("x = ~|x;"); 2087 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2088 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2089 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2090 // Test for block label colons. 2091 Tokens = Annotate("begin : x\n" 2092 "end : x"); 2093 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2094 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2095 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2096 // Test that the dimension colon is annotated correctly. 2097 Tokens = Annotate("var [1 : 0] x;"); 2098 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2099 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2100 Tokens = Annotate("extern function [1 : 0] x;"); 2101 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2102 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2103 Tokens = Annotate("module test\n" 2104 " (input wire [7 : 0] a[7 : 0]);\n" 2105 "endmodule"); 2106 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2107 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2108 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2109 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2110 // Test case labels and ternary operators. 2111 Tokens = Annotate("case (x)\n" 2112 " x:\n" 2113 " x;\n" 2114 "endcase"); 2115 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2116 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2117 Tokens = Annotate("case (x)\n" 2118 " x ? x : x:\n" 2119 " x;\n" 2120 "endcase"); 2121 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2122 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2123 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2124 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2125 // Non-blocking assignments. 2126 Tokens = Annotate("a <= b;"); 2127 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2128 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2129 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2130 Tokens = Annotate("if (a <= b) break;"); 2131 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2132 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2133 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2134 Tokens = Annotate("a <= b <= a;"); 2135 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2136 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2137 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2138 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2139 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2140 2141 // Port lists in module instantiation. 2142 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2143 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2144 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2145 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2146 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2147 "instance_2(port_2);"); 2148 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2149 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2150 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2151 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2152 2153 // Condition parentheses. 2154 Tokens = Annotate("assert (x);"); 2155 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2156 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2157 Tokens = Annotate("assert #0 (x);"); 2158 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2159 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2160 Tokens = Annotate("assert final (x);"); 2161 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2162 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2163 Tokens = Annotate("foreach (x[x]) continue;"); 2164 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2165 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2166 Tokens = Annotate("repeat (x[x]) continue;"); 2167 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2168 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2169 Tokens = Annotate("case (x) endcase;"); 2170 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2171 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2172 2173 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2174 // future, please adapt if those tokens get annotated. This test is only here 2175 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2176 Tokens = Annotate("always @(posedge x, posedge y);"); 2177 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2178 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2179 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2180 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2181 2182 // String literals in concatenation. 2183 Tokens = Annotate("x = {\"\"};"); 2184 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2185 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2186 Tokens = Annotate("x = {\"\", \"\"};"); 2187 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2188 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2189 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2190 Tokens = Annotate("x = '{{\"\"}};"); 2191 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2192 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2193 // Cases where the string should not be annotated that type. Fix the 2194 // `TT_Unknown` if needed in the future. 2195 Tokens = Annotate("x = {\"\" == \"\"};"); 2196 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2197 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2198 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2199 Tokens = Annotate("x = {(\"\")};"); 2200 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2201 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2202 Tokens = Annotate("x = '{\"\"};"); 2203 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2204 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2205 } 2206 2207 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2208 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2209 ASSERT_TRUE(Style.isTableGen()); 2210 2211 TestLexer Lexer(Allocator, Buffers, Style); 2212 AdditionalKeywords Keywords(Lexer.IdentTable); 2213 auto Annotate = [&Lexer](llvm::StringRef Code) { 2214 return Lexer.annotate(Code); 2215 }; 2216 2217 // Additional keywords representation test. 2218 auto Tokens = Annotate("def foo : Bar<1>;"); 2219 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2220 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2221 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2222 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2223 2224 // Code, the multiline string token. 2225 Tokens = Annotate("[{ code is multiline string }]"); 2226 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2227 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2228 EXPECT_FALSE(Tokens[0]->IsMultiline); 2229 // Case with multiple lines. 2230 Tokens = Annotate("[{ It can break\n" 2231 " across lines and the line breaks\n" 2232 " are retained in \n" 2233 " the string. }]"); 2234 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2235 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2236 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2237 EXPECT_TRUE(Tokens[0]->IsMultiline); 2238 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2239 2240 // Numeric literals. 2241 Tokens = Annotate("1234"); 2242 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2243 Tokens = Annotate("-1"); 2244 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2245 Tokens = Annotate("+1234"); 2246 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2247 Tokens = Annotate("0b0110"); 2248 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2249 Tokens = Annotate("0x1abC"); 2250 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2251 2252 // Identifier tokens. In TableGen, identifiers can begin with a number. 2253 // In ambiguous cases, the lexer tries to lex it as a number. 2254 // Even if the try fails, it does not fall back to identifier lexing and 2255 // regard as an error. 2256 // The ambiguity is not documented. The result of those tests are based on the 2257 // implementation of llvm::TGLexer::LexToken. 2258 // This is invalid syntax of number, but not an identifier. 2259 Tokens = Annotate("0x1234x"); 2260 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2261 Tokens = Annotate("identifier"); 2262 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2263 // Identifier beginning with a number. 2264 Tokens = Annotate("0x"); 2265 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2266 Tokens = Annotate("2dVector"); 2267 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2268 Tokens = Annotate("01234Vector"); 2269 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2270 2271 // Structured statements. 2272 Tokens = Annotate("class Foo {}"); 2273 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2274 Tokens = Annotate("def Def: Foo {}"); 2275 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2276 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2277 Tokens = Annotate("if cond then {} else {}"); 2278 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2279 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2280 Tokens = Annotate("defset Foo Def2 = {}"); 2281 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2282 2283 // Bang Operators. 2284 Tokens = Annotate("!foreach"); 2285 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2286 Tokens = Annotate("!if"); 2287 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2288 Tokens = Annotate("!cond"); 2289 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2290 } 2291 2292 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2293 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2294 2295 // The TT_Unknown is clearly not binding for the future, please adapt if those 2296 // tokens get annotated. 2297 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2298 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2299 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2300 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2301 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2302 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2303 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2304 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2305 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2306 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2307 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2308 2309 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2310 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2311 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2312 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2313 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2314 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2315 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2316 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2317 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2318 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2319 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2320 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2321 2322 Tokens = annotate("class Class {\n" 2323 " Class() : BaseClass() {\n" 2324 "#if 0\n" 2325 " // comment\n" 2326 "#endif\n" 2327 " }\n" 2328 " Class f();\n" 2329 "}"); 2330 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2331 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2332 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2333 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2334 } 2335 2336 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2337 auto Tokens = annotate("if (x) {}"); 2338 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2339 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2340 Tokens = annotate("if constexpr (x) {}"); 2341 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2342 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2343 Tokens = annotate("if CONSTEXPR (x) {}"); 2344 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2345 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2346 Tokens = annotate("if (x) {} else if (x) {}"); 2347 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2348 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2349 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2350 } 2351 2352 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2353 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2354 2355 auto Tokens = annotate("int? a;", Style); 2356 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2357 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2358 2359 Tokens = annotate("int? a = 1;", Style); 2360 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2361 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2362 2363 Tokens = annotate("int?)", Style); 2364 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2365 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2366 2367 Tokens = annotate("int?>", Style); 2368 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2369 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2370 2371 Tokens = annotate("cond? id : id2", Style); 2372 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2373 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2374 2375 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2376 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2377 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2378 } 2379 2380 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2381 auto Tokens = annotate("{ x: break; }"); 2382 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2383 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2384 Tokens = annotate("{ case x: break; }"); 2385 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2386 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2387 Tokens = annotate("{ x: { break; } }"); 2388 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2389 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2390 Tokens = annotate("{ case x: { break; } }"); 2391 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2392 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2393 } 2394 2395 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2396 // The closing braces are not annotated. It doesn't seem to cause a problem. 2397 // So we only test for the opening braces. 2398 auto Tokens = annotate("{\n" 2399 " {\n" 2400 " { int a = 0; }\n" 2401 " }\n" 2402 " {}\n" 2403 "}"); 2404 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2405 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2406 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2407 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2408 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2409 } 2410 2411 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2412 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2413 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2414 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2415 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2416 2417 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2418 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2419 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2420 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2421 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2422 2423 Tokens = annotate("SomeStruct {\n" 2424 "#ifdef FOO\n" 2425 " .a = 1,\n" 2426 "#endif\n" 2427 " .b = 2\n" 2428 "};"); 2429 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2430 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2431 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2432 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2433 2434 Tokens = annotate("SomeStruct {\n" 2435 "#if defined FOO\n" 2436 " .a = 1,\n" 2437 "#endif\n" 2438 " .b = 2\n" 2439 "};"); 2440 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2441 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2442 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2443 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2444 2445 Tokens = annotate("Foo foo[] = {[0]{}};"); 2446 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2447 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2448 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2449 } 2450 2451 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2452 auto Annotate = [this](llvm::StringRef Code) { 2453 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2454 }; 2455 2456 // Dictionary. 2457 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2458 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2459 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2460 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2461 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2462 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2463 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2464 // Change when we need to annotate these. 2465 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2466 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2467 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2468 } 2469 2470 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2471 auto Tokens = annotate("bool foo __attribute__((unused));"); 2472 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2473 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2474 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2475 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2476 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2477 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2478 2479 Tokens = annotate("bool foo __declspec(dllimport);"); 2480 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2481 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2482 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2483 2484 Tokens = annotate("bool __attribute__((unused)) foo;"); 2485 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2486 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2487 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2488 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2489 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2490 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2491 2492 Tokens = annotate("void __attribute__((x)) Foo();"); 2493 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2494 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2495 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2496 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2497 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2498 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2499 2500 FormatStyle Style = getLLVMStyle(); 2501 Style.AttributeMacros.push_back("FOO"); 2502 Tokens = annotate("bool foo FOO(unused);", Style); 2503 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2504 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2505 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2506 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2507 } 2508 2509 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2510 auto Tokens = annotate("while (true) {}"); 2511 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2512 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2513 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2514 2515 Tokens = annotate("for (;;) {}"); 2516 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2517 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2518 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2519 2520 Tokens = annotate("do {} while (true);"); 2521 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2522 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2523 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2524 2525 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2526 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2527 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2528 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2529 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2530 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2531 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2532 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2533 2534 Tokens = annotate("switch (foo) {}"); 2535 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2536 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2537 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2538 } 2539 2540 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2541 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2542 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2543 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2544 2545 Tokens = annotate("do ++i; while ( i > 5 );"); 2546 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2547 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2548 } 2549 2550 TEST_F(TokenAnnotatorTest, StartOfName) { 2551 auto Tokens = annotate("#pragma clang diagnostic push"); 2552 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2553 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2554 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2555 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2556 2557 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2558 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2559 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2560 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2561 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2562 2563 Tokens = annotate("#define FOO Foo foo"); 2564 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2565 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2566 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2567 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2568 } 2569 2570 TEST_F(TokenAnnotatorTest, BraceKind) { 2571 auto Tokens = annotate("void f() {};"); 2572 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2573 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2574 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2575 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2576 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2577 2578 Tokens = annotate("class Foo<int> f() {}"); 2579 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2580 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2581 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2582 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2583 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2584 2585 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2586 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2587 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2588 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2589 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2590 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2591 2592 Tokens = annotate("void f() override {};"); 2593 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2594 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2595 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2596 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2597 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2598 2599 Tokens = annotate("void f() noexcept(false) {};"); 2600 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2601 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2602 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2603 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2604 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2605 2606 Tokens = annotate("auto f() -> void {};"); 2607 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2608 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2609 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2610 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2611 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2612 2613 Tokens = annotate("void f() { /**/ };"); 2614 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2615 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2616 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2617 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2618 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2619 2620 Tokens = annotate("void f() { //\n" 2621 "};"); 2622 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2623 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2624 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2625 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2626 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2627 2628 Tokens = annotate("void f() {\n" 2629 " //\n" 2630 "};"); 2631 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2632 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2633 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2634 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2635 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2636 } 2637 2638 TEST_F(TokenAnnotatorTest, StreamOperator) { 2639 auto Tokens = annotate("\"foo\\n\" << aux << \"foo\\n\" << \"foo\";"); 2640 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2641 EXPECT_FALSE(Tokens[1]->MustBreakBefore); 2642 EXPECT_FALSE(Tokens[3]->MustBreakBefore); 2643 // Only break between string literals if the former ends with \n. 2644 EXPECT_TRUE(Tokens[5]->MustBreakBefore); 2645 } 2646 2647 } // namespace 2648 } // namespace format 2649 } // namespace clang 2650