1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public testing::Test { 28 protected: 29 TokenList annotate(StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 46 do { \ 47 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 48 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 49 } while (false) 50 51 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 52 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 53 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 54 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 55 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 56 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 57 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 59 60 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 61 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 62 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 63 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 64 65 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 66 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 67 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 68 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 69 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 70 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 72 73 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 74 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 75 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 76 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 77 78 Tokens = annotate("void f() {\n" 79 " while (p < a && *p == 'a')\n" 80 " p++;\n" 81 "}"); 82 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 83 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 84 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 85 86 Tokens = annotate("case *x:"); 87 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 88 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 89 Tokens = annotate("case &x:"); 90 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 91 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 92 93 Tokens = annotate("bool b = 3 == int{3} && true;"); 94 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 95 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 96 97 Tokens = annotate("struct {\n" 98 "} *ptr;"); 99 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 100 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 101 Tokens = annotate("union {\n" 102 "} *ptr;"); 103 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 104 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 105 Tokens = annotate("class {\n" 106 "} *ptr;"); 107 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 108 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 109 110 Tokens = annotate("struct {\n" 111 "} &&ptr = {};"); 112 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 113 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 114 Tokens = annotate("union {\n" 115 "} &&ptr = {};"); 116 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 117 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 118 Tokens = annotate("class {\n" 119 "} &&ptr = {};"); 120 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 121 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 122 Tokens = annotate("int i = int{42} * 2;"); 123 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 124 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 125 126 Tokens = annotate("delete[] *ptr;"); 127 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 128 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 129 Tokens = annotate("delete[] **ptr;"); 130 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 131 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 132 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 133 Tokens = annotate("delete[] *(ptr);"); 134 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 135 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 136 137 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 138 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 139 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 140 // FIXME: The star of a function pointer probably makes more sense as 141 // TT_PointerOrReference. 142 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 143 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 144 145 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 146 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 147 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 148 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 149 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 150 151 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 152 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 153 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 154 155 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 156 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 157 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 158 159 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 160 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 161 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 162 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 163 164 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 165 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 166 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 167 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 168 169 Tokens = annotate("Type1 &val1 = val2;"); 170 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 171 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 172 173 Tokens = annotate("Type1 *val1 = &val2;"); 174 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 175 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 176 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 177 178 Tokens = annotate("val1 & val2;"); 179 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 180 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 181 182 Tokens = annotate("val1 & val2.member;"); 183 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 184 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 185 186 Tokens = annotate("val1 & val2.*member;"); 187 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 188 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 189 190 Tokens = annotate("val1.*member & val2;"); 191 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 192 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 193 194 Tokens = annotate("val1 & val2->*member;"); 195 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 196 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 197 198 Tokens = annotate("val1->member & val2;"); 199 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 200 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 201 202 Tokens = annotate("val1 & val2 & val3;"); 203 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 204 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 205 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 206 207 Tokens = annotate("val1 & val2 // comment\n" 208 " & val3;"); 209 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 210 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 211 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 212 213 Tokens = 214 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 215 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 216 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 217 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 218 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 220 221 Tokens = annotate("class c {\n" 222 " void func(type &a) { a & member; }\n" 223 " anotherType &member;\n" 224 "}"); 225 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 226 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 227 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 228 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 229 230 Tokens = annotate("struct S {\n" 231 " auto Mem = C & D;\n" 232 "}"); 233 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 234 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 235 236 Tokens = 237 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 238 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 239 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 240 241 Tokens = annotate("template <typename T> struct S {\n" 242 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 243 "};"); 244 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 245 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 246 247 Tokens = annotate("template <bool B = C && D> struct S {};"); 248 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 249 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 250 251 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 252 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 253 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 254 255 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 256 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 257 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 258 259 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 260 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 261 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 262 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 263 264 Tokens = annotate("Foo<A && B> a = {};"); 265 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 266 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 267 268 Tokens = annotate("Foo<A &&> a = {};"); 269 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 270 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 271 272 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 273 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 274 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 275 276 Tokens = 277 annotate("auto foo() noexcept(noexcept(bar()) && " 278 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 279 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 280 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 281 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 282 283 Tokens = annotate("foo = *i < *j && *j > *k;"); 284 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 285 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 286 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 287 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 288 289 FormatStyle Style = getLLVMStyle(); 290 Style.TypeNames.push_back("MYI"); 291 Tokens = annotate("if (MYI *p{nullptr})", Style); 292 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 293 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 294 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 295 296 Style.TypeNames.push_back("Class"); 297 Tokens = annotate("if (Class *obj {getObj()})", Style); 298 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 299 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 300 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 301 302 Tokens = annotate("class Foo {\n" 303 " void operator<() {}\n" 304 " Foo &f;\n" 305 "};"); 306 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 307 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 308 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 309 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 310 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 311 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 312 313 Tokens = annotate("if (new && num) {\n" 314 " new = 1;\n" 315 "}\n" 316 "if (!delete && num) {\n" 317 " delete = 1;\n" 318 "}"); 319 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 320 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 321 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 322 } 323 324 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 325 auto Tokens = annotate("x - 0"); 326 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 327 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 328 Tokens = annotate("0 + 0"); 329 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 330 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 331 Tokens = annotate("x + +0"); 332 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 333 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 334 Tokens = annotate("x ? -0 : +0"); 335 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 336 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 337 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 338 Tokens = annotate("(-0)"); 339 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 340 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 341 Tokens = annotate("0, -0"); 342 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 343 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 344 Tokens = annotate("for (; -1;) {\n}"); 345 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 346 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 347 Tokens = annotate("x = -1;"); 348 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 349 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 350 Tokens = annotate("x[-1]"); 351 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 352 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 353 Tokens = annotate("x = {-1};"); 354 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 355 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 356 Tokens = annotate("case -x:"); 357 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 358 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 359 Tokens = annotate("co_await -x;"); 360 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 361 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 362 Tokens = annotate("co_return -x;"); 363 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 364 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 365 Tokens = annotate("co_yield -x;"); 366 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 367 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 368 Tokens = annotate("delete -x;"); 369 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 370 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 371 Tokens = annotate("return -x;"); 372 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 373 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 374 Tokens = annotate("throw -x;"); 375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 376 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 377 Tokens = annotate("sizeof -x"); 378 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 379 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 380 Tokens = annotate("co_await +x;"); 381 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 382 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 383 Tokens = annotate("co_return +x;"); 384 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 385 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 386 Tokens = annotate("co_yield +x;"); 387 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 388 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 389 Tokens = annotate("delete +x;"); 390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 391 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 392 Tokens = annotate("return +x;"); 393 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 394 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 395 Tokens = annotate("throw +x;"); 396 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 397 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 398 Tokens = annotate("sizeof +x"); 399 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 400 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 401 Tokens = annotate("(int)-x"); 402 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 403 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 404 Tokens = annotate("(-x)"); 405 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 407 Tokens = annotate("!+x"); 408 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 409 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 410 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 411 } 412 413 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 414 auto Tokens = annotate("class C {};"); 415 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 416 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 417 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 418 419 Tokens = annotate("const class C {} c;"); 420 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 421 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 422 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 423 424 Tokens = annotate("const class {} c;"); 425 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 426 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 427 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 428 429 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 430 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 431 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 432 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 433 } 434 435 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 436 auto Tokens = annotate("struct S {};"); 437 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 438 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 439 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 440 441 Tokens = annotate("struct macro(a) S {};"); 442 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 443 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 444 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 445 446 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 447 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 448 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 449 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 450 451 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 452 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 453 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 454 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 455 456 Tokens = annotate("struct macro(a) S {\n" 457 " void f(T &t);\n" 458 "};"); 459 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 460 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 461 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 462 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 463 464 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 465 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 466 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 467 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 468 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 469 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 470 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 471 472 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 473 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 474 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 475 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 476 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 477 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 478 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 479 480 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 481 " void f(T const (&a)[n]);\n" 482 "};"); 483 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 484 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 485 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 486 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 487 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 488 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 489 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 490 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 491 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 492 493 Tokens = annotate("template <typename T, enum E e> struct S {};"); 494 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 495 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 496 497 auto Style = getLLVMStyle(); 498 Style.AttributeMacros.push_back("EXPORT"); 499 Tokens = annotate("struct EXPORT StructName {};", Style); 500 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 501 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 502 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 503 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 504 } 505 506 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 507 auto Tokens = annotate("union U {};"); 508 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 509 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 510 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 511 512 Tokens = annotate("union U { void f() { return; } };"); 513 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 514 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 515 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 516 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 517 } 518 519 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 520 auto Tokens = annotate("enum E {};"); 521 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 522 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 523 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 524 } 525 526 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 527 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 528 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 529 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 530 531 Tokens = annotate("template <typename T> void F(T) && = delete;"); 532 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 533 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 534 } 535 536 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 537 auto Tokens = 538 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 539 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 540 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 541 } 542 543 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 544 auto Tokens = 545 annotate("template <typename T> " 546 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 547 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 548 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 549 } 550 551 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 552 auto Tokens = 553 annotate("#define FOO(typeName) \\\n" 554 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 555 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 556 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 557 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 558 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 559 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 560 } 561 562 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 563 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 564 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 565 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 566 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 567 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 568 } 569 570 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 571 auto Tokens = annotate("return a < b && c > d;"); 572 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 573 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 574 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 575 576 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 577 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 578 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 579 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 580 581 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 582 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 583 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 584 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 585 } 586 587 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 588 FormatStyle Style = getLLVMStyle(); 589 Style.WhitespaceSensitiveMacros.push_back("FOO"); 590 591 auto Tokens = annotate("FOO(1+2 )", Style); 592 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 593 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 594 595 Tokens = annotate("FOO(a:b:c)", Style); 596 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 597 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 598 } 599 600 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 601 auto Tokens = annotate("delete (void *)p;"); 602 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 603 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 604 605 Tokens = annotate("delete[] (void *)p;"); 606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 607 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 608 609 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 610 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 611 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 612 613 Tokens = annotate("delete[/*comment*/] (void *)p;"); 614 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 615 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 616 617 Tokens = annotate("delete/*comment*/[] (void *)p;"); 618 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 619 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 620 } 621 622 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 623 auto Tokens = annotate("(void)p;"); 624 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 625 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 626 627 Tokens = annotate("(uint32_t)&&label;"); 628 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 629 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 630 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 631 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 632 633 Tokens = annotate("auto x = (Foo)p;"); 634 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 635 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 636 637 Tokens = annotate("(std::vector<int>)p;"); 638 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 639 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 640 641 Tokens = annotate("return (Foo)p;"); 642 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 643 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 644 645 Tokens = annotate("throw (Foo)p;"); 646 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 647 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 648 649 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 650 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 651 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 652 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 653 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 654 655 Tokens = annotate("#define foo(i) ((i) - bar)"); 656 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 657 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 658 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 659 660 Tokens = annotate("return (Foo) & 10;"); 661 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 662 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 663 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 664 665 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 666 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 667 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 668 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 669 670 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 671 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 672 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 673 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 674 675 auto Style = getLLVMStyle(); 676 Style.TypeNames.push_back("Foo"); 677 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 678 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 679 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 680 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 681 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 682 } 683 684 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 685 auto Tokens = annotate("void f() throw(int);"); 686 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 687 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 688 } 689 690 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 691 auto Tokens = annotate("void f() &;"); 692 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 693 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 694 695 Tokens = annotate("void operator=(T) &&;"); 696 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 697 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 698 699 Tokens = annotate("template <typename T> void f() &;"); 700 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 701 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 702 703 Tokens = annotate("template <typename T> void operator=(T) &;"); 704 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 705 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 706 } 707 708 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 709 auto Tokens = annotate("x.operator+()"); 710 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 711 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 712 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 713 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 714 Tokens = annotate("x.operator=()"); 715 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 716 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 717 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 718 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 719 Tokens = annotate("x.operator+=()"); 720 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 721 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 722 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 723 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 724 Tokens = annotate("x.operator,()"); 725 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 726 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 727 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 728 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 729 Tokens = annotate("x.operator()()"); 730 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 731 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 732 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 733 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 734 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 735 Tokens = annotate("x.operator[]()"); 736 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 737 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 738 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 739 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 740 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 741 Tokens = annotate("x.operator\"\"_a()"); 742 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 743 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 744 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 745 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 746 Tokens = annotate("x.operator\"\" _a()"); 747 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 748 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 749 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 750 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 751 Tokens = annotate("x.operator\"\"if()"); 752 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 753 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 754 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 755 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 756 Tokens = annotate("x.operator\"\"s()"); 757 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 758 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 759 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 760 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 761 Tokens = annotate("x.operator\"\" s()"); 762 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 763 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 764 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 765 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 766 767 Tokens = annotate("int operator+(int);"); 768 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 769 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 770 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 771 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 772 Tokens = annotate("auto operator=(T&) {}"); 773 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 774 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 775 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 776 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 777 Tokens = annotate("auto operator()() {}"); 778 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 779 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 780 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 781 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 782 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 783 784 Tokens = annotate("class Foo {\n" 785 " int operator+(a* b);\n" 786 "}"); 787 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 788 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 789 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 790 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 791 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 792 793 Tokens = annotate("class Foo {\n" 794 " int c = operator+(a * b);\n" 795 "}"); 796 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 797 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 798 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 799 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 800 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 801 802 Tokens = annotate("void foo() {\n" 803 " operator+(a * b);\n" 804 "}"); 805 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 806 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 807 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 808 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 809 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 810 811 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 812 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 813 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 814 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 815 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 816 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 817 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 818 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 819 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 820 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 821 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 822 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 823 824 Tokens = annotate("class Foo {\n" 825 " void foo() {\n" 826 " operator+(a * b);\n" 827 " }\n" 828 "}"); 829 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 830 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 831 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 832 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 833 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 834 835 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 836 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 837 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 838 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 839 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 840 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 841 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 842 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 843 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 844 845 Tokens = annotate("decltype(auto) operator()(T &x);"); 846 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 847 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 848 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 849 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 850 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 851 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 852 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 853 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 854 } 855 856 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 857 struct { 858 const char *Text; 859 tok::TokenKind Kind; 860 } Operators[] = {{"+", tok::plus}, 861 {"-", tok::minus}, 862 // FIXME: 863 // {"*", tok::star}, 864 {"/", tok::slash}, 865 {"%", tok::percent}, 866 {"^", tok::caret}, 867 // FIXME: 868 // {"&", tok::amp}, 869 {"|", tok::pipe}, 870 {"~", tok::tilde}, 871 {"!", tok::exclaim}, 872 {"=", tok::equal}, 873 // FIXME: 874 // {"<", tok::less}, 875 {">", tok::greater}, 876 {"+=", tok::plusequal}, 877 {"-=", tok::minusequal}, 878 {"*=", tok::starequal}, 879 {"/=", tok::slashequal}, 880 {"%=", tok::percentequal}, 881 {"^=", tok::caretequal}, 882 {"&=", tok::ampequal}, 883 {"|=", tok::pipeequal}, 884 {"<<", tok::lessless}, 885 {">>", tok::greatergreater}, 886 {">>=", tok::greatergreaterequal}, 887 {"<<=", tok::lesslessequal}, 888 {"==", tok::equalequal}, 889 {"!=", tok::exclaimequal}, 890 {"<=", tok::lessequal}, 891 {">=", tok::greaterequal}, 892 {"<=>", tok::spaceship}, 893 {"&&", tok::ampamp}, 894 {"||", tok::pipepipe}, 895 {"++", tok::plusplus}, 896 {"--", tok::minusminus}, 897 {",", tok::comma}, 898 {"->*", tok::arrowstar}, 899 {"->", tok::arrow}}; 900 901 for (const auto &Operator : Operators) { 902 std::string Input("C<&operator"); 903 Input += Operator.Text; 904 Input += " > a;"; 905 auto Tokens = annotate(std::string(Input)); 906 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 907 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 908 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 909 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 910 } 911 912 auto Tokens = annotate("C<&operator< <X>> lt;"); 913 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 914 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 915 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 916 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 917 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 918 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 919 } 920 921 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 922 auto Tokens = annotate("template <typename T>\n" 923 "concept C = (Foo && Bar) && (Bar && Baz);"); 924 925 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 926 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 927 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 928 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 929 930 Tokens = annotate("template <typename T>\n" 931 "concept C = Foo && !Bar;"); 932 933 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 934 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 935 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 936 937 Tokens = annotate("template <typename T>\n" 938 "concept C = requires(T t) {\n" 939 " { t.foo() };\n" 940 "} && Bar<T> && Baz<T>;"); 941 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 942 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 943 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 944 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 945 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 946 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 947 948 Tokens = annotate("template<typename T>\n" 949 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 950 "struct Foo;"); 951 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 952 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 953 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 954 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 955 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 956 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 957 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 958 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 959 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 960 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 961 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 962 963 Tokens = 964 annotate("template<typename T>\n" 965 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 966 "struct Foo;"); 967 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 968 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 969 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 970 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 971 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 972 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 973 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 974 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 975 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 976 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 977 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 978 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 979 980 Tokens = annotate("template <typename T>\n" 981 "void foo(T) noexcept requires Bar<T>;"); 982 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 983 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 984 985 Tokens = annotate("template <typename T>\n" 986 "requires Bar<T> || Baz<T>\n" 987 "auto foo(T) -> int;"); 988 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 989 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 990 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 991 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 992 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 993 994 Tokens = annotate("template <typename T>\n" 995 "requires Bar<T>\n" 996 "bool foo(T) { return false; }"); 997 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 998 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 999 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1000 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1001 1002 Tokens = annotate("template <typename T>\n" 1003 "requires Bar<T>\n" 1004 "decltype(auto) foo(T) { return false; }"); 1005 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1006 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1007 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1008 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1009 1010 Tokens = annotate("template <typename T>\n" 1011 "struct S {\n" 1012 " void foo() const requires Bar<T>;\n" 1013 " void bar() const & requires Baz<T>;\n" 1014 " void bar() && requires Baz2<T>;\n" 1015 " void baz() const & noexcept requires Baz<T>;\n" 1016 " void baz() && noexcept requires Baz2<T>;\n" 1017 "};\n" 1018 "\n" 1019 "void S::bar() const & requires Baz<T> { }"); 1020 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1021 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1022 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1023 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1024 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1025 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1026 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1027 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1028 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1029 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1030 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1031 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1032 1033 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1034 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1035 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1036 1037 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1038 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1039 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1040 1041 Tokens = 1042 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1043 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1044 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1045 1046 Tokens = annotate("void Class::member() && requires(typename " 1047 "Namespace::Outer<T>::Inner::Constant) {}"); 1048 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1049 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1050 1051 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1052 " template<class T>\n" 1053 " requires requires { number_zero_v<T>; }\n" 1054 " [[nodiscard]] constexpr operator T() const { " 1055 "return number_zero_v<T>; }\n" 1056 "};"); 1057 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1058 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1059 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1060 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1061 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1062 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1063 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1064 1065 Tokens = 1066 annotate("template <class A, class B> concept C =" 1067 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1068 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1069 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1070 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1071 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1072 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1073 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1074 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1075 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1076 1077 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1078 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1079 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1080 1081 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1082 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1083 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1084 1085 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1086 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1087 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1088 1089 Tokens = 1090 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1091 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1092 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1093 1094 Tokens = 1095 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1096 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1097 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1098 1099 Tokens = 1100 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1101 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1102 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1103 1104 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1105 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1106 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1107 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1108 1109 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1110 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1111 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1112 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1113 1114 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1115 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1116 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1117 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1118 1119 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1120 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1121 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1122 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1123 1124 Tokens = annotate("void f() & requires(true) {}"); 1125 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1126 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1127 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1128 1129 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1130 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1131 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1132 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1133 1134 Tokens = annotate("template <typename T>\n" 1135 "concept C = (!Foo<T>) && Bar;"); 1136 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1137 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1138 1139 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1141 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1142 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1143 1144 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1145 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1146 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1147 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1148 1149 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1150 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1151 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1152 1153 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1154 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1155 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1156 1157 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1158 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1159 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1160 } 1161 1162 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1163 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1164 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1165 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1166 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1167 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1168 1169 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1170 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1171 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1172 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1173 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1174 1175 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1176 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1177 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1178 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1179 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1180 1181 Tokens = annotate("foo(requires(const T t) {});"); 1182 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1183 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1184 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1185 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1186 1187 Tokens = annotate("foo(requires(const int t) {});"); 1188 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1189 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1190 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1191 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1192 1193 Tokens = annotate("foo(requires(const T t) {});"); 1194 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1195 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1196 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1197 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1198 1199 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1200 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1201 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1202 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1203 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1204 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1205 1206 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1207 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1208 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1209 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1210 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1211 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1212 1213 Tokens = annotate("foo(requires(T& t) {});"); 1214 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1215 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1216 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1217 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1218 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1219 1220 Tokens = annotate("foo(requires(T&& t) {});"); 1221 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1222 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1223 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1224 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1225 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1226 1227 Tokens = annotate("bool foo = requires(T& t) {};"); 1228 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1229 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1230 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1231 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1232 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1233 1234 Tokens = annotate("bool foo = requires(T&& t) {};"); 1235 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1236 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1237 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1238 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1239 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1240 1241 Tokens = 1242 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1243 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1244 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1245 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1246 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1247 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1248 1249 Tokens = annotate("template <typename T>\n" 1250 "concept C = requires(T T) {\n" 1251 " requires Bar<T> && Foo<T>;\n" 1252 "};"); 1253 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1254 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1255 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1256 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1257 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1258 TT_RequiresClauseInARequiresExpression); 1259 1260 Tokens = annotate("template <typename T>\n" 1261 "concept C = requires(T T) {\n" 1262 " { t.func() } -> std::same_as<int>;" 1263 " requires Bar<T> && Foo<T>;\n" 1264 "};"); 1265 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1266 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1267 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1268 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1269 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1270 TT_RequiresClauseInARequiresExpression); 1271 1272 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1273 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1274 "requires true; };"); 1275 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1276 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1277 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1278 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1279 1280 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1281 " { c.foo(); }\n" 1282 "};"); 1283 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1284 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1285 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1286 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1287 } 1288 1289 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1290 // Everything after #pragma region should be ImplicitStringLiteral 1291 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1292 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1293 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1294 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1295 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1296 1297 // Make sure it's annotated correctly inside a function as well 1298 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1299 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1300 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1301 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1302 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1303 } 1304 1305 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1306 const char *BaseCode = nullptr; 1307 const char *ConstrainedCode = nullptr; 1308 auto BaseTokenCount = 0u; 1309 auto RequiresTokenCount = 0u; 1310 auto PrefixTokenCount = 0u; 1311 1312 auto TestRequires = [&](int Line) { 1313 const auto BaseTokens = annotate(BaseCode); 1314 const auto ConstrainedTokens = annotate(ConstrainedCode); 1315 1316 #define LINE " (Line " << Line << ')' 1317 1318 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1319 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1320 << LINE; 1321 1322 for (auto I = 0u; I < BaseTokenCount; ++I) { 1323 EXPECT_EQ( 1324 *BaseTokens[I], 1325 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1326 << I << LINE; 1327 } 1328 1329 #undef LINE 1330 }; 1331 1332 BaseCode = "template<typename T>\n" 1333 "T Pi = 3.14;"; 1334 ConstrainedCode = "template<typename T>\n" 1335 " requires Foo<T>\n" 1336 "T Pi = 3.14;"; 1337 BaseTokenCount = 11; 1338 RequiresTokenCount = 5; 1339 PrefixTokenCount = 5; 1340 TestRequires(__LINE__); 1341 1342 BaseCode = "template<typename T>\n" 1343 "struct Bar;"; 1344 ConstrainedCode = "template<typename T>\n" 1345 " requires Foo<T>\n" 1346 "struct Bar;"; 1347 BaseTokenCount = 9; 1348 TestRequires(__LINE__); 1349 1350 BaseCode = "template<typename T>\n" 1351 "struct Bar {\n" 1352 " T foo();\n" 1353 " T bar();\n" 1354 "};"; 1355 ConstrainedCode = "template<typename T>\n" 1356 " requires Foo<T>\n" 1357 "struct Bar {\n" 1358 " T foo();\n" 1359 " T bar();\n" 1360 "};"; 1361 BaseTokenCount = 21; 1362 TestRequires(__LINE__); 1363 1364 BaseCode = "template<typename T>\n" 1365 "Bar(T) -> Bar<T>;"; 1366 ConstrainedCode = "template<typename T>\n" 1367 " requires Foo<T>\n" 1368 "Bar(T) -> Bar<T>;"; 1369 BaseTokenCount = 16; 1370 TestRequires(__LINE__); 1371 1372 BaseCode = "template<typename T>\n" 1373 "T foo();"; 1374 ConstrainedCode = "template<typename T>\n" 1375 " requires Foo<T>\n" 1376 "T foo();"; 1377 BaseTokenCount = 11; 1378 TestRequires(__LINE__); 1379 1380 BaseCode = "template<typename T>\n" 1381 "T foo() {\n" 1382 " auto bar = baz();\n" 1383 " return bar + T{};\n" 1384 "}"; 1385 ConstrainedCode = "template<typename T>\n" 1386 " requires Foo<T>\n" 1387 "T foo() {\n" 1388 " auto bar = baz();\n" 1389 " return bar + T{};\n" 1390 "}"; 1391 BaseTokenCount = 26; 1392 TestRequires(__LINE__); 1393 1394 BaseCode = "template<typename T>\n" 1395 "T foo();"; 1396 ConstrainedCode = "template<typename T>\n" 1397 "T foo() requires Foo<T>;"; 1398 BaseTokenCount = 11; 1399 PrefixTokenCount = 9; 1400 TestRequires(__LINE__); 1401 1402 BaseCode = "template<typename T>\n" 1403 "T foo() {\n" 1404 " auto bar = baz();\n" 1405 " return bar + T{};\n" 1406 "}"; 1407 ConstrainedCode = "template<typename T>\n" 1408 "T foo() requires Foo<T> {\n" 1409 " auto bar = baz();\n" 1410 " return bar + T{};\n" 1411 "}"; 1412 BaseTokenCount = 26; 1413 TestRequires(__LINE__); 1414 1415 BaseCode = "template<typename T>\n" 1416 "T foo();"; 1417 ConstrainedCode = "template<typename T>\n" 1418 " requires(Foo<T>)\n" 1419 "T foo();"; 1420 BaseTokenCount = 11; 1421 RequiresTokenCount = 7; 1422 PrefixTokenCount = 5; 1423 TestRequires(__LINE__); 1424 1425 BaseCode = "template<typename T>\n" 1426 "Bar(T) -> Bar<typename T::I>;"; 1427 ConstrainedCode = "template<typename T>\n" 1428 " requires requires(T &&t) {\n" 1429 " typename T::I;\n" 1430 " }\n" 1431 "Bar(T) -> Bar<typename T::I>;"; 1432 BaseTokenCount = 19; 1433 RequiresTokenCount = 14; 1434 PrefixTokenCount = 5; 1435 TestRequires(__LINE__); 1436 1437 BaseCode = "struct [[nodiscard]] zero_t {\n" 1438 " template<class T>\n" 1439 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1440 "};"; 1441 ConstrainedCode = 1442 "struct [[nodiscard]] zero_t {\n" 1443 " template<class T>\n" 1444 " requires requires { v<T>; }\n" 1445 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1446 "};"; 1447 BaseTokenCount = 35; 1448 RequiresTokenCount = 9; 1449 PrefixTokenCount = 13; 1450 TestRequires(__LINE__); 1451 1452 BaseCode = "constexpr Foo(Foo const &other)\n" 1453 " : value{other.value} {\n" 1454 " do_magic();\n" 1455 " do_more_magic();\n" 1456 "}"; 1457 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1458 " requires std::is_copy_constructible<T>\n" 1459 " : value{other.value} {\n" 1460 " do_magic();\n" 1461 " do_more_magic();\n" 1462 "}"; 1463 BaseTokenCount = 26; 1464 RequiresTokenCount = 7; 1465 PrefixTokenCount = 8; 1466 TestRequires(__LINE__); 1467 1468 BaseCode = "constexpr Foo(Foo const &other)\n" 1469 " : value{other.value} {\n" 1470 " do_magic();\n" 1471 " do_more_magic();\n" 1472 "}"; 1473 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1474 " requires (std::is_copy_constructible<T>)\n" 1475 " : value{other.value} {\n" 1476 " do_magic();\n" 1477 " do_more_magic();\n" 1478 "}"; 1479 RequiresTokenCount = 9; 1480 TestRequires(__LINE__); 1481 1482 BaseCode = "template<typename T>\n" 1483 "ANNOTATE(\"S\"\n" 1484 " \"S\")\n" 1485 "void foo();"; 1486 ConstrainedCode = "template<typename T>\n" 1487 " requires(true)\n" 1488 "ANNOTATE(\"S\"\n" 1489 " \"S\")\n" 1490 "void foo();"; 1491 BaseTokenCount = 16; 1492 RequiresTokenCount = 4; 1493 PrefixTokenCount = 5; 1494 TestRequires(__LINE__); 1495 } 1496 1497 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1498 auto Tokens = annotate("__asm{\n" 1499 "\"a\":\n" 1500 ": x\n" 1501 ":};"); 1502 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1503 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1504 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1505 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1506 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1507 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1508 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1509 1510 Tokens = annotate("__asm(\n" 1511 "\"a\":\n" 1512 ": x\n" 1513 ":);"); 1514 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1515 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1516 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1517 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1518 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1519 1520 Tokens = annotate("asm volatile (\n" 1521 "\"a_label:\"\n" 1522 ":\n" 1523 ": x\n" 1524 ":);"); 1525 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1526 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1527 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1528 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1529 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1530 1531 Tokens = annotate("__asm__(\n" 1532 "\"a_label:\"\n" 1533 ": x\n" 1534 ":\n" 1535 ": y);"); 1536 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1537 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1538 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1539 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1540 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1541 1542 Tokens = annotate("__asm volatile (\n" 1543 "\"a_label:\"\n" 1544 "\"a b c(%%x)\"\n" 1545 ":\n" 1546 ": x\n" 1547 ":);"); 1548 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1549 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1550 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1551 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1552 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1553 1554 Tokens = annotate("asm(\n" 1555 "\"insn\"\n" 1556 ": \"=r\" (var1), \"=&r\" (value)\n" 1557 ":\n" 1558 ": \"memory\");"); 1559 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1560 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1561 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1562 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1563 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1564 1565 Tokens = annotate("__asm__ volatile (\n" 1566 "\"ldr r1, [r0, %%[sym]]\"\n" 1567 ":\n" 1568 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1569 ");"); 1570 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1571 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1572 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1573 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1574 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1575 } 1576 1577 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1578 auto Tokens = annotate("int (^)() = ^ ()\n" 1579 " external_source_symbol() { //\n" 1580 " return 1;\n" 1581 "};"); 1582 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1583 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1584 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1585 1586 Tokens = annotate("int *p = ^int*(){ //\n" 1587 " return nullptr;\n" 1588 "}();"); 1589 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1590 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1591 } 1592 1593 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1594 auto Tokens = annotate("void f() {\n" 1595 " //\n" 1596 " BOOL a = [b.c n] > 1;\n" 1597 "}"); 1598 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1599 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1600 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1601 } 1602 1603 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1604 auto Tokens = annotate("[]() constexpr {}"); 1605 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1606 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1607 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1608 1609 Tokens = annotate("[]() consteval {}"); 1610 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1611 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1612 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1613 1614 Tokens = annotate("[]() mutable {}"); 1615 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1616 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1617 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1618 1619 Tokens = annotate("[]() static {}"); 1620 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1621 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1622 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1623 1624 Tokens = annotate("[]() -> auto {}"); 1625 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1626 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1627 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1628 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1629 1630 Tokens = annotate("[]() -> auto & {}"); 1631 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1632 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1633 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1634 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1635 1636 Tokens = annotate("[]() -> auto * {}"); 1637 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1638 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1639 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1640 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1641 1642 Tokens = annotate("[] {}"); 1643 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1644 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1645 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1646 1647 Tokens = annotate("[] noexcept {}"); 1648 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1649 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1650 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1651 1652 Tokens = annotate("[] -> auto {}"); 1653 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1654 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1655 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1656 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1657 1658 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1659 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1660 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1661 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1662 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1663 1664 Tokens = annotate("[] <typename T> () {}"); 1665 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1666 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1667 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1668 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1669 1670 Tokens = annotate("[] <typename T> {}"); 1671 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1672 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1673 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1674 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1675 1676 Tokens = annotate("[] <typename... T> () {}"); 1677 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1678 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1679 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1680 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1681 1682 Tokens = annotate("[] <typename... T> {}"); 1683 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1684 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1685 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1686 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1687 1688 Tokens = annotate("[] <int... T> () {}"); 1689 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1690 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1691 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1692 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1693 1694 Tokens = annotate("[] <int... T> {}"); 1695 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1696 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1697 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1698 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1699 1700 Tokens = annotate("[] <Foo... T> () {}"); 1701 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1702 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1703 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1704 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1705 1706 Tokens = annotate("[] <Foo... T> {}"); 1707 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1708 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1709 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1710 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1711 1712 // Lambdas with a requires-clause 1713 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1714 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1715 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1716 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1717 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1718 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1719 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1720 1721 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1722 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1723 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1724 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1725 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1726 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1727 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1728 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1729 1730 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1731 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1732 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1733 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1734 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1735 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1736 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1737 1738 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1739 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1740 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1741 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1742 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1743 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1744 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1745 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1746 1747 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1748 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1749 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1750 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1751 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1752 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1753 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1754 1755 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1756 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1757 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1758 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1759 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1760 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1761 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1762 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1763 1764 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1765 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1766 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1767 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1768 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1769 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1770 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1771 1772 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1773 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1774 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1775 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1776 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1777 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1778 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1779 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1780 1781 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1782 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1783 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1784 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1785 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1786 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1787 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1788 1789 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1790 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1791 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1792 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1793 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1794 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1795 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1796 1797 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1798 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1799 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1800 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1801 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1802 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1803 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1804 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1805 1806 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1807 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1808 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1809 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1810 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1811 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1812 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1813 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1814 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1815 1816 Tokens = annotate("[] <typename T = int> (T t) {}"); 1817 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1818 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1819 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1820 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1821 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1822 1823 Tokens = annotate("[] <int I = 0> (T t) {}"); 1824 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1825 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1826 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1827 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1828 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1829 1830 Tokens = annotate("[] <bool b = false> (T t) {}"); 1831 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1832 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1833 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1834 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1835 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1836 1837 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1838 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1839 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1840 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1841 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1842 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1843 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1844 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1845 1846 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1847 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1848 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1849 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1850 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1851 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1852 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1853 } 1854 1855 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1856 auto Tokens = annotate("template <typename T>\n" 1857 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1858 "string OldFunction(const string ¶meter) {}"); 1859 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1860 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1861 1862 Tokens = annotate("template <typename T>\n" 1863 "A(T) noexcept;"); 1864 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1865 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1866 } 1867 1868 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1869 auto Tokens = annotate("void f [[noreturn]] ();"); 1870 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1871 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1872 1873 Tokens = annotate("void f [[noreturn]] () {}"); 1874 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1875 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1876 1877 Tokens = annotate("#define FOO Foo::\n" 1878 "FOO Foo();"); 1879 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1880 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1881 1882 Tokens = annotate("struct Foo {\n" 1883 " Bar (*func)();\n" 1884 "};"); 1885 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1886 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1887 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1888 1889 Tokens = annotate("void instanceof();"); 1890 ASSERT_EQ(Tokens.size(), 6u); 1891 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1892 1893 Tokens = annotate("int iso_time(time_t);"); 1894 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1895 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1896 1897 auto Style = getLLVMStyle(); 1898 Style.TypeNames.push_back("MyType"); 1899 Tokens = annotate("int iso_time(MyType);", Style); 1900 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1901 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1902 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1903 } 1904 1905 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1906 auto Tokens = annotate("class Foo { public: Foo(); };"); 1907 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1908 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1909 1910 Tokens = annotate("class Foo { public: ~Foo(); };"); 1911 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1912 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1913 1914 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1915 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1916 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1917 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1918 1919 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1920 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1921 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1922 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1923 1924 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1925 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1926 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1927 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1928 1929 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1930 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1931 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1932 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1933 1934 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1935 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1936 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1937 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1938 1939 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1940 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1941 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1942 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1943 1944 Tokens = annotate("Foo::Foo() {}"); 1945 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1946 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1947 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1948 1949 Tokens = annotate("Foo::~Foo() {}"); 1950 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1951 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1952 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1953 1954 Tokens = annotate("struct Test {\n" 1955 " Test()\n" 1956 " : l([] {\n" 1957 " Short::foo();\n" 1958 " }) {}\n" 1959 "};"); 1960 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1961 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1962 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 1963 } 1964 1965 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 1966 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 1967 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1968 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 1969 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 1970 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 1971 } 1972 1973 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 1974 auto Tokens = annotate("auto f() -> int;"); 1975 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1976 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1977 1978 Tokens = annotate("auto operator->() -> int;"); 1979 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1980 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 1981 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1982 1983 Tokens = annotate("auto operator++(int) -> int;"); 1984 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1985 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1986 1987 Tokens = annotate("auto operator=() -> int;"); 1988 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1989 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 1990 1991 Tokens = annotate("auto operator=(int) -> int;"); 1992 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1993 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 1994 1995 Tokens = annotate("auto foo() -> auto { return Val; }"); 1996 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1997 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1998 1999 Tokens = annotate("struct S { auto bar() const -> int; };"); 2000 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2001 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2002 2003 // Not trailing return arrows 2004 Tokens = annotate("auto a = b->c;"); 2005 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2006 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2007 2008 Tokens = annotate("auto a = (b)->c;"); 2009 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2010 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2011 2012 Tokens = annotate("auto a = b()->c;"); 2013 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2014 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2015 2016 Tokens = annotate("auto a = b->c();"); 2017 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2018 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2019 2020 Tokens = annotate("decltype(auto) a = b()->c;"); 2021 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2022 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2023 2024 Tokens = annotate("void f() { auto a = b->c(); }"); 2025 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2026 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2027 2028 Tokens = annotate("void f() { auto a = b()->c; }"); 2029 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2030 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2031 2032 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2033 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2034 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2035 2036 Tokens = annotate("void f() FOO(foo->bar);"); 2037 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2038 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2039 2040 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2041 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2042 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2043 2044 // Mixed 2045 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2046 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2047 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2048 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2049 } 2050 2051 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2052 auto Tokens = annotate("#define Foo(Bar) \\\n" 2053 " { \\\n" 2054 " #Bar \\\n" 2055 " }"); 2056 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2057 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2058 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2059 2060 Tokens = annotate("#define Foo(Bar) \\\n" 2061 " { #Bar }"); 2062 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2063 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2064 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2065 2066 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2067 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2068 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2069 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2070 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2071 } 2072 2073 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2074 // '__attribute__' has special handling. 2075 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2076 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2077 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2078 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2079 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2080 2081 // Generic macro has no special handling in this location. 2082 Tokens = annotate("A(X) void Foo(void);"); 2083 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2084 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2085 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2086 2087 // Add a custom AttributeMacro. Test that it has the same behavior. 2088 FormatStyle Style = getLLVMStyle(); 2089 Style.AttributeMacros.push_back("A"); 2090 2091 // An "AttributeMacro" gets annotated like '__attribute__'. 2092 Tokens = annotate("A(X) void Foo(void);", Style); 2093 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2094 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2095 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2096 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2097 } 2098 2099 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2100 // '__attribute__' has special handling. 2101 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2102 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2103 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2104 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2105 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2106 2107 // Generic macro has no special handling in this location. 2108 Tokens = annotate("A(X) @interface Foo"); 2109 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2110 // Note: Don't check token-type as a random token in this position is hard to 2111 // reason about. 2112 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2113 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2114 2115 // Add a custom AttributeMacro. Test that it has the same behavior. 2116 FormatStyle Style = getLLVMStyle(); 2117 Style.AttributeMacros.push_back("A"); 2118 2119 // An "AttributeMacro" gets annotated like '__attribute__'. 2120 Tokens = annotate("A(X) @interface Foo", Style); 2121 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2122 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2123 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2124 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2125 } 2126 2127 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2128 // '__attribute__' has special handling. 2129 auto Tokens = annotate("- (id)init __attribute__((X));"); 2130 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2131 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2132 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2133 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2134 2135 // Generic macro has no special handling in this location. 2136 Tokens = annotate("- (id)init A(X);"); 2137 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2138 // Note: Don't check token-type as a random token in this position is hard to 2139 // reason about. 2140 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2141 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2142 2143 // Add a custom AttributeMacro. Test that it has the same behavior. 2144 FormatStyle Style = getLLVMStyle(); 2145 Style.AttributeMacros.push_back("A"); 2146 2147 // An "AttributeMacro" gets annotated like '__attribute__'. 2148 Tokens = annotate("- (id)init A(X);", Style); 2149 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2150 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2151 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2152 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2153 } 2154 2155 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2156 // '__attribute__' has special handling. 2157 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2158 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2159 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2160 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2161 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2162 2163 // Generic macro has no special handling in this location. 2164 Tokens = annotate("@property(weak) id delegate A(X);"); 2165 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2166 // Note: Don't check token-type as a random token in this position is hard to 2167 // reason about. 2168 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2169 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2170 2171 // Add a custom AttributeMacro. Test that it has the same behavior. 2172 FormatStyle Style = getLLVMStyle(); 2173 Style.AttributeMacros.push_back("A"); 2174 2175 // An "AttributeMacro" gets annotated like '__attribute__'. 2176 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2177 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2178 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2179 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2180 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2181 } 2182 2183 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2184 auto Annotate = [this](StringRef Code) { 2185 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2186 }; 2187 // Test that unary operators get labeled as such and that operators like '++' 2188 // don't get split. 2189 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2190 tok::tilde, tok::amp, tok::pipe, 2191 tok::caret, tok::plusplus, tok::minusminus}; 2192 for (auto Kind : Unary) { 2193 auto Tokens = 2194 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2195 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2196 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2197 } 2198 // Operators formed by joining two operators like '^~'. For some of these 2199 // joined operators, we don't have a separate type, so we only test for their 2200 // precedence. 2201 std::pair<prec::Level, std::string> JoinedBinary[] = { 2202 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2203 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2204 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2205 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2206 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2207 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2208 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2209 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2210 {prec::Equality, "!="}, {prec::Equality, "==="}, 2211 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2212 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2213 {prec::ExclusiveOr, "^~"}, 2214 }; 2215 for (auto Operator : JoinedBinary) { 2216 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2217 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2218 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2219 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2220 } 2221 // '~^' and '^~' can be unary as well as binary operators. 2222 auto Tokens = Annotate("x = ~^x;"); 2223 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2224 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2225 Tokens = Annotate("x = ^~x;"); 2226 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2227 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2228 // The unary operators '~&' and '~|' can only be unary operators. The current 2229 // implementation treats each of them as separate unary '~' and '&' or '|' 2230 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2231 // there is a test that there is no space in between. And even if a new line 2232 // is inserted between the '~' and '|', the semantic meaning is the same as 2233 // the joined operator, so the CanBreakBefore property doesn't need to be 2234 // false for the second operator. 2235 Tokens = Annotate("x = ~&x;"); 2236 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2237 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2238 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2239 Tokens = Annotate("x = ~|x;"); 2240 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2241 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2242 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2243 // Test for block label colons. 2244 Tokens = Annotate("begin : x\n" 2245 "end : x"); 2246 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2247 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2248 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2249 // Test that the dimension colon is annotated correctly. 2250 Tokens = Annotate("var [1 : 0] x;"); 2251 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2252 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2253 Tokens = Annotate("extern function [1 : 0] x;"); 2254 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2255 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2256 Tokens = Annotate("module test\n" 2257 " (input wire [7 : 0] a[7 : 0]);\n" 2258 "endmodule"); 2259 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2260 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2261 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2262 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2263 // Test case labels and ternary operators. 2264 Tokens = Annotate("case (x)\n" 2265 " x:\n" 2266 " x;\n" 2267 "endcase"); 2268 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2269 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2270 Tokens = Annotate("case (x)\n" 2271 " x ? x : x:\n" 2272 " x;\n" 2273 "endcase"); 2274 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2275 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2276 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2277 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2278 // Non-blocking assignments. 2279 Tokens = Annotate("a <= b;"); 2280 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2281 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2282 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2283 Tokens = Annotate("if (a <= b) break;"); 2284 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2285 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2286 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2287 Tokens = Annotate("a <= b <= a;"); 2288 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2289 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2290 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2291 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2292 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2293 2294 // Port lists in module instantiation. 2295 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2296 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2297 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2298 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2299 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2300 "instance_2(port_2);"); 2301 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2302 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2303 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2304 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2305 2306 // Condition parentheses. 2307 Tokens = Annotate("assert (x);"); 2308 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2309 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2310 Tokens = Annotate("assert #0 (x);"); 2311 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2312 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2313 Tokens = Annotate("assert final (x);"); 2314 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2315 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2316 Tokens = Annotate("foreach (x[x]) continue;"); 2317 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2318 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2319 Tokens = Annotate("repeat (x[x]) continue;"); 2320 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2321 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2322 Tokens = Annotate("case (x) endcase;"); 2323 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2324 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2325 2326 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2327 // future, please adapt if those tokens get annotated. This test is only here 2328 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2329 Tokens = Annotate("always @(posedge x, posedge y);"); 2330 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2331 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2332 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2333 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2334 2335 // String literals in concatenation. 2336 Tokens = Annotate("x = {\"\"};"); 2337 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2338 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2339 Tokens = Annotate("x = {\"\", \"\"};"); 2340 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2341 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2342 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2343 Tokens = Annotate("x = '{{\"\"}};"); 2344 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2345 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2346 // Cases where the string should not be annotated that type. Fix the 2347 // `TT_Unknown` if needed in the future. 2348 Tokens = Annotate("x = {\"\" == \"\"};"); 2349 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2350 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2351 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2352 Tokens = Annotate("x = {(\"\")};"); 2353 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2354 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2355 Tokens = Annotate("x = '{\"\"};"); 2356 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2357 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2358 } 2359 2360 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2361 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2362 ASSERT_TRUE(Style.isTableGen()); 2363 2364 TestLexer Lexer(Allocator, Buffers, Style); 2365 AdditionalKeywords Keywords(Lexer.IdentTable); 2366 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2367 2368 // Additional keywords representation test. 2369 auto Tokens = Annotate("def foo : Bar<1>;"); 2370 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2371 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2372 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2373 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2374 2375 // Code, the multiline string token. 2376 Tokens = Annotate("[{ code is multiline string }]"); 2377 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2378 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2379 EXPECT_FALSE(Tokens[0]->IsMultiline); 2380 // Case with multiple lines. 2381 Tokens = Annotate("[{ It can break\n" 2382 " across lines and the line breaks\n" 2383 " are retained in \n" 2384 " the string. }]"); 2385 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2386 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2387 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2388 EXPECT_TRUE(Tokens[0]->IsMultiline); 2389 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2390 2391 // Numeric literals. 2392 Tokens = Annotate("1234"); 2393 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2394 Tokens = Annotate("-1"); 2395 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2396 Tokens = Annotate("+1234"); 2397 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2398 Tokens = Annotate("0b0110"); 2399 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2400 Tokens = Annotate("0x1abC"); 2401 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2402 2403 // Identifier tokens. In TableGen, identifiers can begin with a number. 2404 // In ambiguous cases, the lexer tries to lex it as a number. 2405 // Even if the try fails, it does not fall back to identifier lexing and 2406 // regard as an error. 2407 // The ambiguity is not documented. The result of those tests are based on the 2408 // implementation of llvm::TGLexer::LexToken. 2409 // This is invalid syntax of number, but not an identifier. 2410 Tokens = Annotate("0x1234x"); 2411 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2412 Tokens = Annotate("identifier"); 2413 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2414 // Identifier beginning with a number. 2415 Tokens = Annotate("0x"); 2416 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2417 Tokens = Annotate("2dVector"); 2418 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2419 Tokens = Annotate("01234Vector"); 2420 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2421 2422 // Structured statements. 2423 Tokens = Annotate("class Foo {}"); 2424 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2425 Tokens = Annotate("def Def: Foo {}"); 2426 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2427 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2428 Tokens = Annotate("if cond then {} else {}"); 2429 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2430 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2431 Tokens = Annotate("defset Foo Def2 = {}"); 2432 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2433 2434 // Bang Operators. 2435 Tokens = Annotate("!foreach"); 2436 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2437 Tokens = Annotate("!if"); 2438 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2439 Tokens = Annotate("!cond"); 2440 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2441 2442 auto AnnotateValue = [this, &Style](StringRef Code) { 2443 // Values are annotated only in specific context. 2444 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2445 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2446 }; 2447 // Both of bang/cond operators. 2448 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2449 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2450 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2451 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2452 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2453 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2454 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2455 // DAGArg values with operator identifier 2456 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2457 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2458 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2459 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2460 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2461 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2462 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2463 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2464 // List literal 2465 Tokens = AnnotateValue("[1, 2, 3]"); 2466 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2467 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2468 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2469 // Suffixes of values 2470 Tokens = AnnotateValue("valid.field"); 2471 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2472 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2473 // Code 2474 Tokens = AnnotateValue("[{ code is multiline string }]"); 2475 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2476 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2477 2478 // The definition 2479 Tokens = annotate("def Def : Parent<Child> {}", Style); 2480 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2481 // We use inheritance colon and function brace. They are enough. 2482 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2483 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2484 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2485 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2486 2487 // DAGArg breaking options. They use different token types depending on what 2488 // is specified. 2489 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2490 2491 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2492 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2493 // elements to have line break. 2494 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2495 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2496 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2497 EXPECT_TOKEN(Tokens[1], tok::identifier, 2498 TT_TableGenDAGArgOperatorID); // ins 2499 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2500 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2501 2502 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2503 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2504 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2505 EXPECT_TOKEN(Tokens[1], tok::identifier, 2506 TT_TableGenDAGArgOperatorID); // other 2507 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2508 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2509 2510 // For non-identifier operators, breaks after the operator. 2511 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2512 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2513 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2514 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2515 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2516 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2517 2518 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2519 2520 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2521 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2522 // to have line break inside it. 2523 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2524 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2525 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2526 EXPECT_TOKEN(Tokens[1], tok::identifier, 2527 TT_TableGenDAGArgOperatorToBreak); // ins 2528 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2529 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2530 2531 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2532 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2533 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2534 EXPECT_TOKEN(Tokens[1], tok::identifier, 2535 TT_TableGenDAGArgOperatorToBreak); // other 2536 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2537 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2538 2539 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2540 // specified operators. 2541 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2542 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2543 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2544 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2545 EXPECT_TOKEN(Tokens[1], tok::identifier, 2546 TT_TableGenDAGArgOperatorToBreak); // ins 2547 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2548 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2549 2550 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2551 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2552 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2553 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2554 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2555 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2556 2557 // If TableGenBreakingDAGArgOperators is enabled, it uses 2558 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2559 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2560 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2561 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2562 EXPECT_TOKEN(Tokens[1], tok::identifier, 2563 TT_TableGenDAGArgOperatorToBreak); // ins 2564 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2565 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2566 2567 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2568 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2569 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2570 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2571 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2572 } 2573 2574 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2575 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2576 2577 // The TT_Unknown is clearly not binding for the future, please adapt if those 2578 // tokens get annotated. 2579 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2580 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2581 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2582 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2583 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2584 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2585 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2586 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2587 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2588 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2589 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2590 2591 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2592 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2593 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2594 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2595 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2596 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2597 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2598 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2599 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2600 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2601 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2602 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2603 2604 Tokens = annotate("class Class {\n" 2605 " Class() : BaseClass() {\n" 2606 "#if 0\n" 2607 " // comment\n" 2608 "#endif\n" 2609 " }\n" 2610 " Class f();\n" 2611 "}"); 2612 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2613 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2614 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2615 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2616 } 2617 2618 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2619 auto Tokens = annotate("if (x) {}"); 2620 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2621 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2622 Tokens = annotate("if constexpr (x) {}"); 2623 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2624 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2625 Tokens = annotate("if CONSTEXPR (x) {}"); 2626 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2627 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2628 Tokens = annotate("if (x) {} else if (x) {}"); 2629 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2630 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2631 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2632 } 2633 2634 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2635 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2636 2637 auto Tokens = annotate("int? a;", Style); 2638 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2639 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2640 2641 Tokens = annotate("int? a = 1;", Style); 2642 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2643 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2644 2645 Tokens = annotate("int?)", Style); 2646 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2647 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2648 2649 Tokens = annotate("int?>", Style); 2650 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2651 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2652 2653 Tokens = annotate("cond? id : id2", Style); 2654 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2655 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2656 2657 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2658 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2659 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2660 } 2661 2662 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2663 auto Tokens = annotate("{ x: break; }"); 2664 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2665 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2666 2667 Tokens = annotate("{ case x: break; }"); 2668 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2669 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2670 2671 Tokens = annotate("{ x: { break; } }"); 2672 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2673 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2674 2675 Tokens = annotate("{ case x: { break; } }"); 2676 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2677 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2678 2679 Tokens = annotate("#define FOO label:"); 2680 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2681 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2682 2683 Tokens = annotate("#define FOO \\\n" 2684 "label: \\\n" 2685 " break;"); 2686 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2687 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2688 } 2689 2690 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2691 // The closing braces are not annotated. It doesn't seem to cause a problem. 2692 // So we only test for the opening braces. 2693 auto Tokens = annotate("{\n" 2694 " {\n" 2695 " { int a = 0; }\n" 2696 " }\n" 2697 " {}\n" 2698 "}"); 2699 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2700 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2701 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2702 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2703 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2704 } 2705 2706 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2707 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2708 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2709 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2710 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2711 2712 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2713 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2714 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2715 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2716 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2717 2718 Tokens = annotate("SomeStruct {\n" 2719 "#ifdef FOO\n" 2720 " .a = 1,\n" 2721 "#endif\n" 2722 " .b = 2\n" 2723 "};"); 2724 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2725 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2726 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2727 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2728 2729 Tokens = annotate("SomeStruct {\n" 2730 "#if defined FOO\n" 2731 " .a = 1,\n" 2732 "#endif\n" 2733 " .b = 2\n" 2734 "};"); 2735 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2736 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2737 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2738 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2739 2740 Tokens = annotate("Foo foo[] = {[0]{}};"); 2741 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2742 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2743 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2744 } 2745 2746 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2747 auto Annotate = [this](StringRef Code) { 2748 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2749 }; 2750 2751 // Dictionary. 2752 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2753 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2754 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2755 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2756 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2757 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2758 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2759 // Change when we need to annotate these. 2760 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2761 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2762 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2763 } 2764 2765 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2766 auto Tokens = annotate("bool foo __attribute__((unused));"); 2767 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2768 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2769 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2770 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2771 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2772 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2773 2774 Tokens = annotate("bool foo __declspec(dllimport);"); 2775 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2776 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2777 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2778 2779 Tokens = annotate("bool __attribute__((unused)) foo;"); 2780 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2781 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2782 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2783 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2784 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2785 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2786 2787 Tokens = annotate("void __attribute__((x)) Foo();"); 2788 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2789 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2790 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2791 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2792 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2793 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2794 2795 FormatStyle Style = getLLVMStyle(); 2796 Style.AttributeMacros.push_back("FOO"); 2797 Tokens = annotate("bool foo FOO(unused);", Style); 2798 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2799 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2800 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2801 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2802 } 2803 2804 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2805 auto Tokens = annotate("while (true) {}"); 2806 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2807 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2808 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2809 2810 Tokens = annotate("for (;;) {}"); 2811 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2812 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2813 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2814 2815 Tokens = annotate("do {} while (true);"); 2816 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2817 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2818 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2819 2820 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2821 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2822 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2823 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2824 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2825 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2826 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2827 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2828 2829 Tokens = annotate("switch (foo) {}"); 2830 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2831 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2832 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2833 } 2834 2835 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2836 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2837 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2838 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2839 2840 Tokens = annotate("do ++i; while ( i > 5 );"); 2841 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2842 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2843 } 2844 2845 TEST_F(TokenAnnotatorTest, StartOfName) { 2846 auto Tokens = annotate("#pragma clang diagnostic push"); 2847 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2848 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2849 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2850 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2851 2852 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2853 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2854 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2855 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2856 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2857 2858 Tokens = annotate("#define FOO Foo foo"); 2859 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2860 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2861 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2862 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2863 2864 Tokens = annotate("@interface NSCoder (TestCoder)"); 2865 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2866 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2867 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2868 } 2869 2870 TEST_F(TokenAnnotatorTest, BraceKind) { 2871 auto Tokens = annotate("void f() {};"); 2872 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2873 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2874 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2875 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2876 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2877 2878 Tokens = annotate("class Foo<int> f() {}"); 2879 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2880 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2881 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2882 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2883 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2884 2885 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2886 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2887 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2888 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2889 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2890 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2891 2892 Tokens = annotate("void f() override {};"); 2893 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2894 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2895 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2896 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2897 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2898 2899 Tokens = annotate("void f() noexcept(false) {};"); 2900 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2901 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2902 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2903 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2904 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2905 2906 Tokens = annotate("auto f() -> void {};"); 2907 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2908 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2909 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2910 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2911 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2912 2913 Tokens = annotate("void f() { /**/ };"); 2914 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2915 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2916 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2917 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2918 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2919 2920 Tokens = annotate("void f() { //\n" 2921 "};"); 2922 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2923 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2924 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2925 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2926 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2927 2928 Tokens = annotate("void f() {\n" 2929 " //\n" 2930 "};"); 2931 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2932 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2933 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2934 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2935 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2936 2937 Tokens = annotate("struct Foo {\n" 2938 " Foo() {};\n" 2939 " ~Foo() {};\n" 2940 "};"); 2941 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2942 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2943 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2944 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2945 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2946 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2947 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2948 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2949 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2950 2951 Tokens = annotate("{\n" 2952 " char *a[] = {\n" 2953 " /* abc */ \"abc\",\n" 2954 "#if FOO\n" 2955 " /* xyz */ \"xyz\",\n" 2956 "#endif\n" 2957 " /* last */ \"last\"};\n" 2958 "}"); 2959 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2960 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2961 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 2962 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 2963 2964 Tokens = 2965 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 2966 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 2967 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2968 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2969 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 2970 2971 Tokens = annotate("struct {};"); 2972 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2973 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2974 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2975 2976 Tokens = annotate("struct : Base {};"); 2977 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2978 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2979 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2980 2981 Tokens = annotate("struct Foo {};"); 2982 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2983 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2984 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2985 2986 Tokens = annotate("struct ::Foo {};"); 2987 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2988 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 2989 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2990 2991 Tokens = annotate("struct NS::Foo {};"); 2992 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2993 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2994 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2995 2996 Tokens = annotate("struct Foo<int> {};"); 2997 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2998 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2999 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3000 3001 Tokens = annotate("struct Foo<int>::Bar {};"); 3002 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3003 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3004 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3005 3006 Tokens = annotate("struct Foo<int> : Base {};"); 3007 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3008 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3009 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3010 3011 Tokens = annotate("struct Foo final {};"); 3012 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3013 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3014 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3015 3016 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3017 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3018 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3019 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3020 3021 Tokens = annotate("struct Foo x{};"); 3022 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3023 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3024 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3025 3026 Tokens = annotate("struct ::Foo x{};"); 3027 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3028 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3029 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3030 3031 Tokens = annotate("struct NS::Foo x{};"); 3032 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3033 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3034 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3035 3036 Tokens = annotate("struct Foo<int> x{};"); 3037 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3038 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3039 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3040 3041 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3042 "#else\n" 3043 "#endif\n" 3044 "class RenderingServer : Object {\n" 3045 "#ifndef DISABLE_DEPRECATED\n" 3046 " enum Features {\n" 3047 " FEATURE_SHADERS,\n" 3048 " FEATURE_MULTITHREADED,\n" 3049 " };\n" 3050 "#endif\n" 3051 "};"); 3052 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3053 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3054 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3055 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3056 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3057 } 3058 3059 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3060 auto Tokens = annotate("auto foo() -> enum En {}"); 3061 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3062 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3063 } 3064 3065 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3066 auto Tokens = annotate("{\n" 3067 " {\n" 3068 " foo();\n" 3069 " }\n" 3070 "}"); 3071 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3072 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3073 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3074 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3075 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3076 3077 Tokens = annotate("void bar() {\n" 3078 " {\n" 3079 " foo();\n" 3080 " }\n" 3081 "}"); 3082 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3083 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3084 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3085 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3086 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3087 } 3088 3089 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3090 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3091 auto Tokens = annotate("i = switch (day) {\n" 3092 " case THURSDAY, SATURDAY -> 8;\n" 3093 " case WEDNESDAY -> 9;\n" 3094 " default -> 1;\n" 3095 "};", 3096 Style); 3097 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3098 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3099 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3100 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3101 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3102 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3103 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3104 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3105 } 3106 3107 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3108 auto Tokens = annotate("a = b and c;"); 3109 ASSERT_EQ(Tokens.size(), 7u); 3110 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3111 3112 Tokens = annotate("a = b and_eq c;"); 3113 ASSERT_EQ(Tokens.size(), 7u); 3114 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3115 3116 Tokens = annotate("a = b bitand c;"); 3117 ASSERT_EQ(Tokens.size(), 7u); 3118 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3119 3120 Tokens = annotate("a = b bitor c;"); 3121 ASSERT_EQ(Tokens.size(), 7u); 3122 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3123 3124 Tokens = annotate("a = b compl c;"); 3125 ASSERT_EQ(Tokens.size(), 7u); 3126 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3127 3128 Tokens = annotate("a = b not c;"); 3129 ASSERT_EQ(Tokens.size(), 7u); 3130 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3131 3132 Tokens = annotate("a = b not_eq c;"); 3133 ASSERT_EQ(Tokens.size(), 7u); 3134 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3135 3136 Tokens = annotate("a = b or c;"); 3137 ASSERT_EQ(Tokens.size(), 7u); 3138 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3139 3140 Tokens = annotate("a = b or_eq c;"); 3141 ASSERT_EQ(Tokens.size(), 7u); 3142 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3143 3144 Tokens = annotate("a = b xor c;"); 3145 ASSERT_EQ(Tokens.size(), 7u); 3146 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3147 3148 Tokens = annotate("a = b xor_eq c;"); 3149 ASSERT_EQ(Tokens.size(), 7u); 3150 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3151 3152 Tokens = annotate("xor = foo;"); 3153 ASSERT_EQ(Tokens.size(), 5u); 3154 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3155 3156 Tokens = annotate("int xor = foo;"); 3157 ASSERT_EQ(Tokens.size(), 6u); 3158 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3159 } 3160 3161 } // namespace 3162 } // namespace format 3163 } // namespace clang 3164