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, UnderstandsTernaryInTemplate) { 571 // IsExpression = false 572 auto Tokens = annotate("foo<true ? 1 : 2>();"); 573 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 574 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 575 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 576 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 577 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 578 579 // IsExpression = true 580 Tokens = annotate("return foo<true ? 1 : 2>();"); 581 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 582 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 583 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 584 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 585 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 586 } 587 588 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 589 auto Tokens = annotate("return a < b && c > d;"); 590 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 591 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 592 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 593 594 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 595 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 596 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 597 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 598 599 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 600 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 601 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 602 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 603 } 604 605 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 606 auto Tokens = annotate("template <template <typename...> typename X,\n" 607 " template <typename...> class Y,\n" 608 " typename... T>\n" 609 "class A {};"); 610 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 611 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 612 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 613 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 614 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 615 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 616 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 617 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 618 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 619 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 620 } 621 622 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 623 FormatStyle Style = getLLVMStyle(); 624 Style.WhitespaceSensitiveMacros.push_back("FOO"); 625 626 auto Tokens = annotate("FOO(1+2 )", Style); 627 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 628 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 629 630 Tokens = annotate("FOO(a:b:c)", Style); 631 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 632 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 633 } 634 635 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 636 auto Tokens = annotate("delete (void *)p;"); 637 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 638 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 639 640 Tokens = annotate("delete[] (void *)p;"); 641 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 642 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 643 644 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 645 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 646 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 647 648 Tokens = annotate("delete[/*comment*/] (void *)p;"); 649 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 650 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 651 652 Tokens = annotate("delete/*comment*/[] (void *)p;"); 653 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 654 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 655 } 656 657 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 658 auto Tokens = annotate("(void)p;"); 659 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 660 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 661 662 Tokens = annotate("(uint32_t)&&label;"); 663 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 664 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 665 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 666 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 667 668 Tokens = annotate("auto x = (Foo)p;"); 669 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 670 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 671 672 Tokens = annotate("(std::vector<int>)p;"); 673 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 674 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 675 676 Tokens = annotate("return (Foo)p;"); 677 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 678 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 679 680 Tokens = annotate("throw (Foo)p;"); 681 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 682 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 683 684 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 685 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 686 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 687 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 688 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 689 690 Tokens = annotate("#define foo(i) ((i) - bar)"); 691 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 692 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 693 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 694 695 Tokens = annotate("return (Foo) & 10;"); 696 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 697 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 698 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 699 700 Tokens = annotate("return (struct foo){};"); 701 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 702 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 703 704 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 705 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 706 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 707 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 708 709 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 710 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 711 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 712 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 713 714 auto Style = getLLVMStyle(); 715 Style.TypeNames.push_back("Foo"); 716 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 717 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 718 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 719 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 720 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 721 } 722 723 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 724 auto Tokens = annotate("void f() throw(int);"); 725 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 726 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 727 } 728 729 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 730 auto Tokens = annotate("void f() &;"); 731 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 732 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 733 734 Tokens = annotate("void operator=(T) &&;"); 735 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 736 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 737 738 Tokens = annotate("template <typename T> void f() &;"); 739 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 740 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 741 742 Tokens = annotate("template <typename T> void operator=(T) &;"); 743 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 744 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 745 } 746 747 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 748 auto Tokens = annotate("x.operator+()"); 749 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 750 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 751 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 752 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 753 Tokens = annotate("x.operator=()"); 754 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 755 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 756 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 757 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 758 Tokens = annotate("x.operator+=()"); 759 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 760 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 761 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 762 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 763 Tokens = annotate("x.operator,()"); 764 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 765 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 766 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 767 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 768 Tokens = annotate("x.operator()()"); 769 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 770 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 771 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 772 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 773 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 774 Tokens = annotate("x.operator[]()"); 775 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 776 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 777 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 778 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 779 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 780 Tokens = annotate("x.operator\"\"_a()"); 781 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 782 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 783 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 784 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 785 Tokens = annotate("x.operator\"\" _a()"); 786 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 787 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 788 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 789 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 790 Tokens = annotate("x.operator\"\"if()"); 791 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 792 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 793 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 794 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 795 Tokens = annotate("x.operator\"\"s()"); 796 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 797 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 798 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 799 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 800 Tokens = annotate("x.operator\"\" s()"); 801 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 802 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 803 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 804 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 805 806 Tokens = annotate("int operator+(int);"); 807 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 808 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 809 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 810 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 811 Tokens = annotate("auto operator=(T&) {}"); 812 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 813 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 814 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 815 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 816 Tokens = annotate("auto operator()() {}"); 817 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 818 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 819 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 820 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 821 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 822 823 Tokens = annotate("class Foo {\n" 824 " int operator+(a* b);\n" 825 "}"); 826 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 827 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 828 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 829 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 830 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 831 832 Tokens = annotate("class Foo {\n" 833 " int c = operator+(a * b);\n" 834 "}"); 835 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 836 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 837 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 838 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 839 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 840 841 Tokens = annotate("void foo() {\n" 842 " operator+(a * b);\n" 843 "}"); 844 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 845 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 846 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 847 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 848 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 849 850 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 851 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 852 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 853 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 854 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 855 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 856 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 857 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 858 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 859 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 860 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 861 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 862 863 Tokens = annotate("class Foo {\n" 864 " void foo() {\n" 865 " operator+(a * b);\n" 866 " }\n" 867 "}"); 868 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 869 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 870 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 871 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 872 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 873 874 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 875 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 876 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 877 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 878 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 879 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 880 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 881 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 882 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 883 884 Tokens = annotate("decltype(auto) operator()(T &x);"); 885 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 886 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 887 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 888 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 889 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 890 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 891 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 892 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 893 } 894 895 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 896 struct { 897 const char *Text; 898 tok::TokenKind Kind; 899 } Operators[] = {{"+", tok::plus}, 900 {"-", tok::minus}, 901 // FIXME: 902 // {"*", tok::star}, 903 {"/", tok::slash}, 904 {"%", tok::percent}, 905 {"^", tok::caret}, 906 // FIXME: 907 // {"&", tok::amp}, 908 {"|", tok::pipe}, 909 {"~", tok::tilde}, 910 {"!", tok::exclaim}, 911 {"=", tok::equal}, 912 // FIXME: 913 // {"<", tok::less}, 914 {">", tok::greater}, 915 {"+=", tok::plusequal}, 916 {"-=", tok::minusequal}, 917 {"*=", tok::starequal}, 918 {"/=", tok::slashequal}, 919 {"%=", tok::percentequal}, 920 {"^=", tok::caretequal}, 921 {"&=", tok::ampequal}, 922 {"|=", tok::pipeequal}, 923 {"<<", tok::lessless}, 924 {">>", tok::greatergreater}, 925 {">>=", tok::greatergreaterequal}, 926 {"<<=", tok::lesslessequal}, 927 {"==", tok::equalequal}, 928 {"!=", tok::exclaimequal}, 929 {"<=", tok::lessequal}, 930 {">=", tok::greaterequal}, 931 {"<=>", tok::spaceship}, 932 {"&&", tok::ampamp}, 933 {"||", tok::pipepipe}, 934 {"++", tok::plusplus}, 935 {"--", tok::minusminus}, 936 {",", tok::comma}, 937 {"->*", tok::arrowstar}, 938 {"->", tok::arrow}}; 939 940 for (const auto &Operator : Operators) { 941 std::string Input("C<&operator"); 942 Input += Operator.Text; 943 Input += " > a;"; 944 auto Tokens = annotate(std::string(Input)); 945 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 946 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 947 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 948 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 949 } 950 951 auto Tokens = annotate("C<&operator< <X>> lt;"); 952 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 953 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 954 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 955 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 956 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 957 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 958 } 959 960 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 961 auto Tokens = annotate("template <typename T>\n" 962 "concept C = (Foo && Bar) && (Bar && Baz);"); 963 964 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 965 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 966 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 967 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 968 969 Tokens = annotate("template <typename T>\n" 970 "concept C = Foo && !Bar;"); 971 972 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 973 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 974 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 975 976 Tokens = annotate("template <typename T>\n" 977 "concept C = requires(T t) {\n" 978 " { t.foo() };\n" 979 "} && Bar<T> && Baz<T>;"); 980 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 981 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 982 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 983 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 984 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 985 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 986 987 Tokens = annotate("template<typename T>\n" 988 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 989 "struct Foo;"); 990 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 991 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 992 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 993 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 994 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 995 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 996 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 997 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 998 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 999 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1000 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1001 1002 Tokens = 1003 annotate("template<typename T>\n" 1004 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1005 "struct Foo;"); 1006 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1007 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1008 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1009 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1010 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1011 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1012 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1013 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1014 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1015 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1016 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1017 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1018 1019 Tokens = annotate("template <typename T>\n" 1020 "void foo(T) noexcept requires Bar<T>;"); 1021 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1022 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1023 1024 Tokens = annotate("template <typename T>\n" 1025 "requires Bar<T> || Baz<T>\n" 1026 "auto foo(T) -> int;"); 1027 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1028 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1029 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1030 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1031 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1032 1033 Tokens = annotate("template <typename T>\n" 1034 "requires Bar<T>\n" 1035 "bool foo(T) { return false; }"); 1036 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1037 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1038 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1039 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1040 1041 Tokens = annotate("template <typename T>\n" 1042 "requires Bar<T>\n" 1043 "decltype(auto) foo(T) { return false; }"); 1044 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1045 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1046 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1047 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1048 1049 Tokens = annotate("template <typename T>\n" 1050 "struct S {\n" 1051 " void foo() const requires Bar<T>;\n" 1052 " void bar() const & requires Baz<T>;\n" 1053 " void bar() && requires Baz2<T>;\n" 1054 " void baz() const & noexcept requires Baz<T>;\n" 1055 " void baz() && noexcept requires Baz2<T>;\n" 1056 "};\n" 1057 "\n" 1058 "void S::bar() const & requires Baz<T> { }"); 1059 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1060 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1061 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1062 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1063 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1064 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1065 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1066 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1067 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1068 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1069 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1070 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1071 1072 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1073 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1074 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1075 1076 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1077 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1078 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1079 1080 Tokens = 1081 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1082 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1083 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1084 1085 Tokens = annotate("void Class::member() && requires(typename " 1086 "Namespace::Outer<T>::Inner::Constant) {}"); 1087 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1088 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1089 1090 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1091 " template<class T>\n" 1092 " requires requires { number_zero_v<T>; }\n" 1093 " [[nodiscard]] constexpr operator T() const { " 1094 "return number_zero_v<T>; }\n" 1095 "};"); 1096 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1097 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1098 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1099 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1100 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1101 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1102 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1103 1104 Tokens = 1105 annotate("template <class A, class B> concept C =" 1106 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1107 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1108 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1109 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1110 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1111 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1112 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1113 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1114 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1115 1116 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1117 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1118 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1119 1120 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1121 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1122 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1123 1124 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1125 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1126 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1127 1128 Tokens = 1129 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1130 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1131 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1132 1133 Tokens = 1134 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1135 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1136 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1137 1138 Tokens = 1139 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1140 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1141 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1142 1143 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1144 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1145 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1146 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1147 1148 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1149 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1150 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1151 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1152 1153 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1154 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1155 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1156 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1157 1158 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1159 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1160 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1161 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1162 1163 Tokens = annotate("void f() & requires(true) {}"); 1164 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1165 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1166 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1167 1168 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1169 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1170 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1171 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1172 1173 Tokens = annotate("template <typename T>\n" 1174 "concept C = (!Foo<T>) && Bar;"); 1175 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1176 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1177 1178 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1179 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1180 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1181 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1182 1183 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1184 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1185 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1186 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1187 1188 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1189 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1190 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1191 1192 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1193 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1194 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1195 1196 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1197 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1198 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1199 } 1200 1201 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1202 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1203 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1204 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1205 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1206 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1207 1208 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1209 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1210 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1211 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1212 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1213 1214 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1215 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1216 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1217 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1218 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1219 1220 Tokens = annotate("foo(requires(const 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[8], tok::l_brace, TT_RequiresExpressionLBrace); 1225 1226 Tokens = annotate("foo(requires(const int t) {});"); 1227 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1228 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1229 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1230 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1231 1232 Tokens = annotate("foo(requires(const T t) {});"); 1233 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1234 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1235 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1236 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1237 1238 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1239 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1240 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1241 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1242 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1243 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1244 1245 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1246 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1247 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1248 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1249 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1250 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1251 1252 Tokens = annotate("foo(requires(T& t) {});"); 1253 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1254 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1255 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1256 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1257 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1258 1259 Tokens = annotate("foo(requires(T&& t) {});"); 1260 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1261 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1262 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1263 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1264 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1265 1266 Tokens = annotate("bool foo = requires(T& t) {};"); 1267 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1268 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1269 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1270 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1271 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1272 1273 Tokens = annotate("bool foo = requires(T&& t) {};"); 1274 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1275 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1276 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1277 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1278 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1279 1280 Tokens = 1281 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1282 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1283 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1284 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1285 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1286 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1287 1288 Tokens = annotate("template <typename T>\n" 1289 "concept C = requires(T T) {\n" 1290 " requires Bar<T> && Foo<T>;\n" 1291 "};"); 1292 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1293 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1294 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1295 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1296 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1297 TT_RequiresClauseInARequiresExpression); 1298 1299 Tokens = annotate("template <typename T>\n" 1300 "concept C = requires(T T) {\n" 1301 " { t.func() } -> std::same_as<int>;" 1302 " requires Bar<T> && Foo<T>;\n" 1303 "};"); 1304 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1305 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1306 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1307 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1308 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1309 TT_RequiresClauseInARequiresExpression); 1310 1311 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1312 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1313 "requires true; };"); 1314 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1315 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1316 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1317 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1318 1319 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1320 " { c.foo(); }\n" 1321 "};"); 1322 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1323 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1324 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1325 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1326 } 1327 1328 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1329 // Everything after #pragma region should be ImplicitStringLiteral 1330 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1331 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1332 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1333 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1334 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1335 1336 // Make sure it's annotated correctly inside a function as well 1337 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1338 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1339 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1340 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1341 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1342 } 1343 1344 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1345 const char *BaseCode = nullptr; 1346 const char *ConstrainedCode = nullptr; 1347 auto BaseTokenCount = 0u; 1348 auto RequiresTokenCount = 0u; 1349 auto PrefixTokenCount = 0u; 1350 1351 auto TestRequires = [&](int Line) { 1352 const auto BaseTokens = annotate(BaseCode); 1353 const auto ConstrainedTokens = annotate(ConstrainedCode); 1354 1355 #define LINE " (Line " << Line << ')' 1356 1357 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1358 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1359 << LINE; 1360 1361 for (auto I = 0u; I < BaseTokenCount; ++I) { 1362 EXPECT_EQ( 1363 *BaseTokens[I], 1364 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1365 << I << LINE; 1366 } 1367 1368 #undef LINE 1369 }; 1370 1371 BaseCode = "template<typename T>\n" 1372 "T Pi = 3.14;"; 1373 ConstrainedCode = "template<typename T>\n" 1374 " requires Foo<T>\n" 1375 "T Pi = 3.14;"; 1376 BaseTokenCount = 11; 1377 RequiresTokenCount = 5; 1378 PrefixTokenCount = 5; 1379 TestRequires(__LINE__); 1380 1381 BaseCode = "template<typename T>\n" 1382 "struct Bar;"; 1383 ConstrainedCode = "template<typename T>\n" 1384 " requires Foo<T>\n" 1385 "struct Bar;"; 1386 BaseTokenCount = 9; 1387 TestRequires(__LINE__); 1388 1389 BaseCode = "template<typename T>\n" 1390 "struct Bar {\n" 1391 " T foo();\n" 1392 " T bar();\n" 1393 "};"; 1394 ConstrainedCode = "template<typename T>\n" 1395 " requires Foo<T>\n" 1396 "struct Bar {\n" 1397 " T foo();\n" 1398 " T bar();\n" 1399 "};"; 1400 BaseTokenCount = 21; 1401 TestRequires(__LINE__); 1402 1403 BaseCode = "template<typename T>\n" 1404 "Bar(T) -> Bar<T>;"; 1405 ConstrainedCode = "template<typename T>\n" 1406 " requires Foo<T>\n" 1407 "Bar(T) -> Bar<T>;"; 1408 BaseTokenCount = 16; 1409 TestRequires(__LINE__); 1410 1411 BaseCode = "template<typename T>\n" 1412 "T foo();"; 1413 ConstrainedCode = "template<typename T>\n" 1414 " requires Foo<T>\n" 1415 "T foo();"; 1416 BaseTokenCount = 11; 1417 TestRequires(__LINE__); 1418 1419 BaseCode = "template<typename T>\n" 1420 "T foo() {\n" 1421 " auto bar = baz();\n" 1422 " return bar + T{};\n" 1423 "}"; 1424 ConstrainedCode = "template<typename T>\n" 1425 " requires Foo<T>\n" 1426 "T foo() {\n" 1427 " auto bar = baz();\n" 1428 " return bar + T{};\n" 1429 "}"; 1430 BaseTokenCount = 26; 1431 TestRequires(__LINE__); 1432 1433 BaseCode = "template<typename T>\n" 1434 "T foo();"; 1435 ConstrainedCode = "template<typename T>\n" 1436 "T foo() requires Foo<T>;"; 1437 BaseTokenCount = 11; 1438 PrefixTokenCount = 9; 1439 TestRequires(__LINE__); 1440 1441 BaseCode = "template<typename T>\n" 1442 "T foo() {\n" 1443 " auto bar = baz();\n" 1444 " return bar + T{};\n" 1445 "}"; 1446 ConstrainedCode = "template<typename T>\n" 1447 "T foo() requires Foo<T> {\n" 1448 " auto bar = baz();\n" 1449 " return bar + T{};\n" 1450 "}"; 1451 BaseTokenCount = 26; 1452 TestRequires(__LINE__); 1453 1454 BaseCode = "template<typename T>\n" 1455 "T foo();"; 1456 ConstrainedCode = "template<typename T>\n" 1457 " requires(Foo<T>)\n" 1458 "T foo();"; 1459 BaseTokenCount = 11; 1460 RequiresTokenCount = 7; 1461 PrefixTokenCount = 5; 1462 TestRequires(__LINE__); 1463 1464 BaseCode = "template<typename T>\n" 1465 "Bar(T) -> Bar<typename T::I>;"; 1466 ConstrainedCode = "template<typename T>\n" 1467 " requires requires(T &&t) {\n" 1468 " typename T::I;\n" 1469 " }\n" 1470 "Bar(T) -> Bar<typename T::I>;"; 1471 BaseTokenCount = 19; 1472 RequiresTokenCount = 14; 1473 PrefixTokenCount = 5; 1474 TestRequires(__LINE__); 1475 1476 BaseCode = "struct [[nodiscard]] zero_t {\n" 1477 " template<class T>\n" 1478 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1479 "};"; 1480 ConstrainedCode = 1481 "struct [[nodiscard]] zero_t {\n" 1482 " template<class T>\n" 1483 " requires requires { v<T>; }\n" 1484 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1485 "};"; 1486 BaseTokenCount = 35; 1487 RequiresTokenCount = 9; 1488 PrefixTokenCount = 13; 1489 TestRequires(__LINE__); 1490 1491 BaseCode = "constexpr Foo(Foo const &other)\n" 1492 " : value{other.value} {\n" 1493 " do_magic();\n" 1494 " do_more_magic();\n" 1495 "}"; 1496 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1497 " requires std::is_copy_constructible<T>\n" 1498 " : value{other.value} {\n" 1499 " do_magic();\n" 1500 " do_more_magic();\n" 1501 "}"; 1502 BaseTokenCount = 26; 1503 RequiresTokenCount = 7; 1504 PrefixTokenCount = 8; 1505 TestRequires(__LINE__); 1506 1507 BaseCode = "constexpr Foo(Foo const &other)\n" 1508 " : value{other.value} {\n" 1509 " do_magic();\n" 1510 " do_more_magic();\n" 1511 "}"; 1512 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1513 " requires (std::is_copy_constructible<T>)\n" 1514 " : value{other.value} {\n" 1515 " do_magic();\n" 1516 " do_more_magic();\n" 1517 "}"; 1518 RequiresTokenCount = 9; 1519 TestRequires(__LINE__); 1520 1521 BaseCode = "template<typename T>\n" 1522 "ANNOTATE(\"S\"\n" 1523 " \"S\")\n" 1524 "void foo();"; 1525 ConstrainedCode = "template<typename T>\n" 1526 " requires(true)\n" 1527 "ANNOTATE(\"S\"\n" 1528 " \"S\")\n" 1529 "void foo();"; 1530 BaseTokenCount = 16; 1531 RequiresTokenCount = 4; 1532 PrefixTokenCount = 5; 1533 TestRequires(__LINE__); 1534 } 1535 1536 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1537 auto Tokens = annotate("__asm{\n" 1538 "\"a\":\n" 1539 ": x\n" 1540 ":};"); 1541 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1542 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1543 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1544 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1545 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1546 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1547 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1548 1549 Tokens = annotate("__asm(\n" 1550 "\"a\":\n" 1551 ": x\n" 1552 ":);"); 1553 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1554 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1555 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1556 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1557 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1558 1559 Tokens = annotate("asm volatile (\n" 1560 "\"a_label:\"\n" 1561 ":\n" 1562 ": x\n" 1563 ":);"); 1564 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1565 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1566 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1567 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1568 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1569 1570 Tokens = annotate("__asm__(\n" 1571 "\"a_label:\"\n" 1572 ": x\n" 1573 ":\n" 1574 ": y);"); 1575 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1576 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1577 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1578 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1579 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1580 1581 Tokens = annotate("__asm volatile (\n" 1582 "\"a_label:\"\n" 1583 "\"a b c(%%x)\"\n" 1584 ":\n" 1585 ": x\n" 1586 ":);"); 1587 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1588 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1589 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1590 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1591 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1592 1593 Tokens = annotate("asm(\n" 1594 "\"insn\"\n" 1595 ": \"=r\" (var1), \"=&r\" (value)\n" 1596 ":\n" 1597 ": \"memory\");"); 1598 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1599 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1600 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1601 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1602 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1603 1604 Tokens = annotate("__asm__ volatile (\n" 1605 "\"ldr r1, [r0, %%[sym]]\"\n" 1606 ":\n" 1607 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1608 ");"); 1609 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1610 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1611 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1612 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1613 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1614 } 1615 1616 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1617 auto Tokens = annotate("int (^)() = ^ ()\n" 1618 " external_source_symbol() { //\n" 1619 " return 1;\n" 1620 "};"); 1621 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1622 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1623 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1624 1625 Tokens = annotate("int *p = ^int*(){ //\n" 1626 " return nullptr;\n" 1627 "}();"); 1628 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1629 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1630 } 1631 1632 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1633 auto Tokens = annotate("void f() {\n" 1634 " //\n" 1635 " BOOL a = [b.c n] > 1;\n" 1636 "}"); 1637 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1638 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1639 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1640 } 1641 1642 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1643 auto Tokens = annotate("[]() constexpr {}"); 1644 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1645 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1646 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1647 1648 Tokens = annotate("[]() consteval {}"); 1649 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1650 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1651 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1652 1653 Tokens = annotate("[]() mutable {}"); 1654 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1655 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1656 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1657 1658 Tokens = annotate("[]() static {}"); 1659 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1660 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1661 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1662 1663 Tokens = annotate("[]() -> auto {}"); 1664 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1665 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1666 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1667 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1668 1669 Tokens = annotate("[]() -> auto & {}"); 1670 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1671 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1672 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1673 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1674 1675 Tokens = annotate("[]() -> auto * {}"); 1676 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1677 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1678 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1679 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1680 1681 Tokens = annotate("[] {}"); 1682 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1683 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1684 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1685 1686 Tokens = annotate("[] noexcept {}"); 1687 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1688 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1689 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1690 1691 Tokens = annotate("[] -> auto {}"); 1692 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1693 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1694 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1695 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1696 1697 Tokens = annotate("[] -> struct S { return {}; }"); 1698 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1699 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1700 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1701 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1702 1703 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1704 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1705 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1706 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1707 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1708 1709 Tokens = annotate("[] <typename T> () {}"); 1710 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1711 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1712 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1713 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1714 1715 Tokens = annotate("[] <typename T> {}"); 1716 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1717 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1718 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1719 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1720 1721 Tokens = annotate("[] <typename... T> () {}"); 1722 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1723 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1724 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1725 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1726 1727 Tokens = annotate("[] <typename... T> {}"); 1728 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1729 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1730 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1731 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1732 1733 Tokens = annotate("[] <int... T> () {}"); 1734 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1735 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1736 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1737 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1738 1739 Tokens = annotate("[] <int... T> {}"); 1740 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1741 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1742 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1743 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1744 1745 Tokens = annotate("[] <Foo... T> () {}"); 1746 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1747 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1748 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1749 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1750 1751 Tokens = annotate("[] <Foo... T> {}"); 1752 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1753 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1754 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1755 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1756 1757 // Lambdas with a requires-clause 1758 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1759 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1760 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1761 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1762 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1763 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1764 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1765 1766 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1767 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1768 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1769 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1770 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1771 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1772 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1773 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1774 1775 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1776 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1777 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1778 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1779 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1780 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1781 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1782 1783 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1784 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1785 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1786 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1787 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1788 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1789 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1790 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1791 1792 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1793 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1794 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1795 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1796 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1797 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1798 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1799 1800 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1801 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1802 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1803 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1804 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1805 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1806 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1807 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1808 1809 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1810 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1811 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1812 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1813 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1814 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1815 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1816 1817 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1818 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1819 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1820 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1821 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1822 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1823 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1824 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1825 1826 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1827 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1828 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1829 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1830 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1831 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1832 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1833 1834 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1835 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1836 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1837 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1838 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1839 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1840 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1841 1842 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1843 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1844 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1845 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1846 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1847 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1848 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1849 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1850 1851 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1852 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1853 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1854 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1855 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1856 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1857 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1858 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1859 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1860 1861 Tokens = annotate("[] <typename T = int> (T t) {}"); 1862 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1863 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1864 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1865 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1866 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1867 1868 Tokens = annotate("[] <int I = 0> (T t) {}"); 1869 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1870 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1871 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1872 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1873 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1874 1875 Tokens = annotate("[] <bool b = false> (T t) {}"); 1876 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1877 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1878 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1879 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1880 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1881 1882 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1883 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1884 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1885 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1886 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1887 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1888 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1889 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1890 1891 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1892 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1893 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1894 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1895 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1896 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1897 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1898 } 1899 1900 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1901 auto Tokens = annotate("template <typename T>\n" 1902 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1903 "string OldFunction(const string ¶meter) {}"); 1904 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1905 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1906 1907 Tokens = annotate("template <typename T>\n" 1908 "A(T) noexcept;"); 1909 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1910 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1911 } 1912 1913 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1914 auto Tokens = annotate("void f [[noreturn]] ();"); 1915 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1916 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1917 1918 Tokens = annotate("void f [[noreturn]] () {}"); 1919 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1920 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1921 1922 Tokens = annotate("#define FOO Foo::\n" 1923 "FOO Foo();"); 1924 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1925 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1926 1927 Tokens = annotate("struct Foo {\n" 1928 " Bar (*func)();\n" 1929 "};"); 1930 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1931 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1932 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1933 1934 Tokens = annotate("void instanceof();"); 1935 ASSERT_EQ(Tokens.size(), 6u); 1936 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1937 1938 Tokens = annotate("int iso_time(time_t);"); 1939 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1940 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1941 1942 auto Style = getLLVMStyle(); 1943 Style.TypeNames.push_back("MyType"); 1944 Tokens = annotate("int iso_time(MyType);", Style); 1945 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1946 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1947 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1948 } 1949 1950 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1951 auto Tokens = annotate("class Foo { public: Foo(); };"); 1952 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1953 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1954 1955 Tokens = annotate("class Foo { public: ~Foo(); };"); 1956 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1957 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1958 1959 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1960 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1961 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1962 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1963 1964 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 1965 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1966 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1967 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1968 1969 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 1970 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1971 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1972 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1973 1974 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 1975 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1976 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 1977 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1978 1979 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 1980 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1981 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 1982 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 1983 1984 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 1985 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1986 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 1987 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 1988 1989 Tokens = annotate("Foo::Foo() {}"); 1990 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1991 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 1992 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 1993 1994 Tokens = annotate("Foo::~Foo() {}"); 1995 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1996 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 1997 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 1998 1999 Tokens = annotate("struct Test {\n" 2000 " Test()\n" 2001 " : l([] {\n" 2002 " Short::foo();\n" 2003 " }) {}\n" 2004 "};"); 2005 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2006 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2007 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2008 } 2009 2010 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2011 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2012 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2013 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2014 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2015 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2016 } 2017 2018 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2019 auto Tokens = annotate("auto f() -> int;"); 2020 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2021 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2022 2023 Tokens = annotate("auto operator->() -> int;"); 2024 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2025 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2026 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2027 2028 Tokens = annotate("auto operator++(int) -> int;"); 2029 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2030 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2031 2032 Tokens = annotate("auto operator=() -> int;"); 2033 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2034 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2035 2036 Tokens = annotate("auto operator=(int) -> int;"); 2037 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2038 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2039 2040 Tokens = annotate("auto foo() -> auto { return Val; }"); 2041 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2042 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2043 2044 Tokens = annotate("struct S { auto bar() const -> int; };"); 2045 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2046 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2047 2048 // Not trailing return arrows 2049 Tokens = annotate("auto a = b->c;"); 2050 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2051 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2052 2053 Tokens = annotate("auto a = (b)->c;"); 2054 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2055 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2056 2057 Tokens = annotate("auto a = b()->c;"); 2058 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2059 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2060 2061 Tokens = annotate("auto a = b->c();"); 2062 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2063 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2064 2065 Tokens = annotate("decltype(auto) a = b()->c;"); 2066 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2067 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2068 2069 Tokens = annotate("void f() { auto a = b->c(); }"); 2070 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2071 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2072 2073 Tokens = annotate("void f() { auto a = b()->c; }"); 2074 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2075 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2076 2077 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2078 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2079 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2080 2081 Tokens = annotate("void f() FOO(foo->bar);"); 2082 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2083 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2084 2085 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2086 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2087 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2088 2089 // Mixed 2090 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2091 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2092 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2093 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2094 } 2095 2096 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2097 auto Tokens = annotate("#define Foo(Bar) \\\n" 2098 " { \\\n" 2099 " #Bar \\\n" 2100 " }"); 2101 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2102 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2103 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2104 2105 Tokens = annotate("#define Foo(Bar) \\\n" 2106 " { #Bar }"); 2107 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2108 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2109 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2110 2111 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2112 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2113 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2114 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2115 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2116 } 2117 2118 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2119 // '__attribute__' has special handling. 2120 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2121 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2122 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2123 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2124 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2125 2126 // Generic macro has no special handling in this location. 2127 Tokens = annotate("A(X) void Foo(void);"); 2128 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2129 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2130 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2131 2132 // Add a custom AttributeMacro. Test that it has the same behavior. 2133 FormatStyle Style = getLLVMStyle(); 2134 Style.AttributeMacros.push_back("A"); 2135 2136 // An "AttributeMacro" gets annotated like '__attribute__'. 2137 Tokens = annotate("A(X) void Foo(void);", Style); 2138 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2139 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2140 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2141 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2142 } 2143 2144 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2145 // '__attribute__' has special handling. 2146 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2147 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2148 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2149 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2150 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2151 2152 // Generic macro has no special handling in this location. 2153 Tokens = annotate("A(X) @interface Foo"); 2154 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2155 // Note: Don't check token-type as a random token in this position is hard to 2156 // reason about. 2157 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2158 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2159 2160 // Add a custom AttributeMacro. Test that it has the same behavior. 2161 FormatStyle Style = getLLVMStyle(); 2162 Style.AttributeMacros.push_back("A"); 2163 2164 // An "AttributeMacro" gets annotated like '__attribute__'. 2165 Tokens = annotate("A(X) @interface Foo", Style); 2166 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2167 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2168 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2169 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2170 } 2171 2172 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2173 // '__attribute__' has special handling. 2174 auto Tokens = annotate("- (id)init __attribute__((X));"); 2175 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2176 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2177 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2178 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2179 2180 // Generic macro has no special handling in this location. 2181 Tokens = annotate("- (id)init A(X);"); 2182 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2183 // Note: Don't check token-type as a random token in this position is hard to 2184 // reason about. 2185 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2186 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2187 2188 // Add a custom AttributeMacro. Test that it has the same behavior. 2189 FormatStyle Style = getLLVMStyle(); 2190 Style.AttributeMacros.push_back("A"); 2191 2192 // An "AttributeMacro" gets annotated like '__attribute__'. 2193 Tokens = annotate("- (id)init A(X);", Style); 2194 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2195 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2196 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2197 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2198 } 2199 2200 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2201 // '__attribute__' has special handling. 2202 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2203 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2204 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2205 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2206 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2207 2208 // Generic macro has no special handling in this location. 2209 Tokens = annotate("@property(weak) id delegate A(X);"); 2210 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2211 // Note: Don't check token-type as a random token in this position is hard to 2212 // reason about. 2213 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2214 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2215 2216 // Add a custom AttributeMacro. Test that it has the same behavior. 2217 FormatStyle Style = getLLVMStyle(); 2218 Style.AttributeMacros.push_back("A"); 2219 2220 // An "AttributeMacro" gets annotated like '__attribute__'. 2221 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2222 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2223 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2224 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2225 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2226 } 2227 2228 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2229 auto Annotate = [this](StringRef Code) { 2230 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2231 }; 2232 // Test that unary operators get labeled as such and that operators like '++' 2233 // don't get split. 2234 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2235 tok::tilde, tok::amp, tok::pipe, 2236 tok::caret, tok::plusplus, tok::minusminus}; 2237 for (auto Kind : Unary) { 2238 auto Tokens = 2239 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2240 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2241 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2242 } 2243 // Operators formed by joining two operators like '^~'. For some of these 2244 // joined operators, we don't have a separate type, so we only test for their 2245 // precedence. 2246 std::pair<prec::Level, std::string> JoinedBinary[] = { 2247 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2248 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2249 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2250 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2251 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2252 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2253 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2254 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2255 {prec::Equality, "!="}, {prec::Equality, "==="}, 2256 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2257 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2258 {prec::ExclusiveOr, "^~"}, 2259 }; 2260 for (auto Operator : JoinedBinary) { 2261 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2262 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2263 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2264 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2265 } 2266 // '~^' and '^~' can be unary as well as binary operators. 2267 auto Tokens = Annotate("x = ~^x;"); 2268 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2269 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2270 Tokens = Annotate("x = ^~x;"); 2271 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2272 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2273 // The unary operators '~&' and '~|' can only be unary operators. The current 2274 // implementation treats each of them as separate unary '~' and '&' or '|' 2275 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2276 // there is a test that there is no space in between. And even if a new line 2277 // is inserted between the '~' and '|', the semantic meaning is the same as 2278 // the joined operator, so the CanBreakBefore property doesn't need to be 2279 // false for the second operator. 2280 Tokens = Annotate("x = ~&x;"); 2281 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2282 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2283 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2284 Tokens = Annotate("x = ~|x;"); 2285 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2286 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2287 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2288 // Test for block label colons. 2289 Tokens = Annotate("begin : x\n" 2290 "end : x"); 2291 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2292 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2293 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2294 // Test that the dimension colon is annotated correctly. 2295 Tokens = Annotate("var [1 : 0] x;"); 2296 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2297 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2298 Tokens = Annotate("extern function [1 : 0] x;"); 2299 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2300 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2301 Tokens = Annotate("module test\n" 2302 " (input wire [7 : 0] a[7 : 0]);\n" 2303 "endmodule"); 2304 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2305 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2306 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2307 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2308 // Test case labels and ternary operators. 2309 Tokens = Annotate("case (x)\n" 2310 " x:\n" 2311 " x;\n" 2312 "endcase"); 2313 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2314 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2315 Tokens = Annotate("case (x)\n" 2316 " x ? x : x:\n" 2317 " x;\n" 2318 "endcase"); 2319 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2320 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2321 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2322 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2323 // Non-blocking assignments. 2324 Tokens = Annotate("a <= b;"); 2325 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2326 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2327 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2328 Tokens = Annotate("if (a <= b) break;"); 2329 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2330 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2331 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2332 Tokens = Annotate("a <= b <= a;"); 2333 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2334 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2335 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2336 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2337 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2338 2339 // Port lists in module instantiation. 2340 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2341 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2342 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2343 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2344 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2345 "instance_2(port_2);"); 2346 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2347 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2348 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2349 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2350 2351 // Condition parentheses. 2352 Tokens = Annotate("assert (x);"); 2353 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2354 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2355 Tokens = Annotate("assert #0 (x);"); 2356 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2357 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2358 Tokens = Annotate("assert final (x);"); 2359 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2360 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2361 Tokens = Annotate("foreach (x[x]) continue;"); 2362 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2363 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2364 Tokens = Annotate("repeat (x[x]) continue;"); 2365 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2366 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2367 Tokens = Annotate("case (x) endcase;"); 2368 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2369 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2370 2371 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2372 // future, please adapt if those tokens get annotated. This test is only here 2373 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2374 Tokens = Annotate("always @(posedge x, posedge y);"); 2375 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2376 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2377 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2378 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2379 2380 // String literals in concatenation. 2381 Tokens = Annotate("x = {\"\"};"); 2382 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2383 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2384 Tokens = Annotate("x = {\"\", \"\"};"); 2385 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2386 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2387 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2388 Tokens = Annotate("x = '{{\"\"}};"); 2389 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2390 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2391 // Cases where the string should not be annotated that type. Fix the 2392 // `TT_Unknown` if needed in the future. 2393 Tokens = Annotate("x = {\"\" == \"\"};"); 2394 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2395 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2396 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2397 Tokens = Annotate("x = {(\"\")};"); 2398 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2399 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2400 Tokens = Annotate("x = '{\"\"};"); 2401 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2402 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2403 } 2404 2405 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2406 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2407 ASSERT_TRUE(Style.isTableGen()); 2408 2409 TestLexer Lexer(Allocator, Buffers, Style); 2410 AdditionalKeywords Keywords(Lexer.IdentTable); 2411 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2412 2413 // Additional keywords representation test. 2414 auto Tokens = Annotate("def foo : Bar<1>;"); 2415 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2416 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2417 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2418 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2419 2420 // Code, the multiline string token. 2421 Tokens = Annotate("[{ code is multiline string }]"); 2422 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2423 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2424 EXPECT_FALSE(Tokens[0]->IsMultiline); 2425 // Case with multiple lines. 2426 Tokens = Annotate("[{ It can break\n" 2427 " across lines and the line breaks\n" 2428 " are retained in \n" 2429 " the string. }]"); 2430 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2431 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2432 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2433 EXPECT_TRUE(Tokens[0]->IsMultiline); 2434 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2435 2436 // Numeric literals. 2437 Tokens = Annotate("1234"); 2438 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2439 Tokens = Annotate("-1"); 2440 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2441 Tokens = Annotate("+1234"); 2442 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2443 Tokens = Annotate("0b0110"); 2444 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2445 Tokens = Annotate("0x1abC"); 2446 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2447 2448 // Identifier tokens. In TableGen, identifiers can begin with a number. 2449 // In ambiguous cases, the lexer tries to lex it as a number. 2450 // Even if the try fails, it does not fall back to identifier lexing and 2451 // regard as an error. 2452 // The ambiguity is not documented. The result of those tests are based on the 2453 // implementation of llvm::TGLexer::LexToken. 2454 // This is invalid syntax of number, but not an identifier. 2455 Tokens = Annotate("0x1234x"); 2456 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2457 Tokens = Annotate("identifier"); 2458 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2459 // Identifier beginning with a number. 2460 Tokens = Annotate("0x"); 2461 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2462 Tokens = Annotate("2dVector"); 2463 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2464 Tokens = Annotate("01234Vector"); 2465 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2466 2467 // Structured statements. 2468 Tokens = Annotate("class Foo {}"); 2469 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2470 Tokens = Annotate("def Def: Foo {}"); 2471 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2472 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2473 Tokens = Annotate("if cond then {} else {}"); 2474 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2475 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2476 Tokens = Annotate("defset Foo Def2 = {}"); 2477 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2478 2479 // Bang Operators. 2480 Tokens = Annotate("!foreach"); 2481 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2482 Tokens = Annotate("!if"); 2483 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2484 Tokens = Annotate("!cond"); 2485 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2486 2487 auto AnnotateValue = [this, &Style](StringRef Code) { 2488 // Values are annotated only in specific context. 2489 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2490 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2491 }; 2492 // Both of bang/cond operators. 2493 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2494 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2495 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2496 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2497 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2498 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2499 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2500 // DAGArg values with operator identifier 2501 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2502 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2503 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2504 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2505 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2506 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2507 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2508 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2509 // List literal 2510 Tokens = AnnotateValue("[1, 2, 3]"); 2511 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2512 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2513 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2514 // Suffixes of values 2515 Tokens = AnnotateValue("valid.field"); 2516 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2517 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2518 // Code 2519 Tokens = AnnotateValue("[{ code is multiline string }]"); 2520 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2521 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2522 2523 // The definition 2524 Tokens = annotate("def Def : Parent<Child> {}", Style); 2525 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2526 // We use inheritance colon and function brace. They are enough. 2527 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2528 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2529 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2530 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2531 2532 // DAGArg breaking options. They use different token types depending on what 2533 // is specified. 2534 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2535 2536 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2537 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2538 // elements to have line break. 2539 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2540 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2541 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2542 EXPECT_TOKEN(Tokens[1], tok::identifier, 2543 TT_TableGenDAGArgOperatorID); // ins 2544 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2545 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2546 2547 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2548 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2549 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2550 EXPECT_TOKEN(Tokens[1], tok::identifier, 2551 TT_TableGenDAGArgOperatorID); // other 2552 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2553 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2554 2555 // For non-identifier operators, breaks after the operator. 2556 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2557 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2558 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2559 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2560 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2561 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2562 2563 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2564 2565 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2566 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2567 // to have line break inside it. 2568 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2569 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2570 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2571 EXPECT_TOKEN(Tokens[1], tok::identifier, 2572 TT_TableGenDAGArgOperatorToBreak); // ins 2573 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2574 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2575 2576 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2577 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2578 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2579 EXPECT_TOKEN(Tokens[1], tok::identifier, 2580 TT_TableGenDAGArgOperatorToBreak); // other 2581 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2582 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2583 2584 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2585 // specified operators. 2586 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2587 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2588 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2589 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2590 EXPECT_TOKEN(Tokens[1], tok::identifier, 2591 TT_TableGenDAGArgOperatorToBreak); // ins 2592 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2593 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2594 2595 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2596 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2597 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2598 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2599 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2600 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2601 2602 // If TableGenBreakingDAGArgOperators is enabled, it uses 2603 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2604 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2605 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2606 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2607 EXPECT_TOKEN(Tokens[1], tok::identifier, 2608 TT_TableGenDAGArgOperatorToBreak); // ins 2609 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2610 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2611 2612 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2613 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2614 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2615 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2616 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2617 } 2618 2619 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2620 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2621 2622 // The TT_Unknown is clearly not binding for the future, please adapt if those 2623 // tokens get annotated. 2624 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2625 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2626 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2627 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2628 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2629 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2630 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2631 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2632 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2633 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2634 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2635 2636 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2637 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2638 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2639 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2640 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2641 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2642 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2643 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2644 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2645 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2646 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2647 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2648 2649 Tokens = annotate("class Class {\n" 2650 " Class() : BaseClass() {\n" 2651 "#if 0\n" 2652 " // comment\n" 2653 "#endif\n" 2654 " }\n" 2655 " Class f();\n" 2656 "}"); 2657 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2658 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2659 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2660 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2661 } 2662 2663 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2664 auto Tokens = annotate("if (x) {}"); 2665 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2666 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2667 Tokens = annotate("if constexpr (x) {}"); 2668 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2669 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2670 Tokens = annotate("if CONSTEXPR (x) {}"); 2671 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2672 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2673 Tokens = annotate("if (x) {} else if (x) {}"); 2674 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2675 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2676 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2677 } 2678 2679 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2680 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2681 2682 auto Tokens = annotate("int? a;", Style); 2683 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2684 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2685 2686 Tokens = annotate("int? a = 1;", Style); 2687 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2688 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2689 2690 Tokens = annotate("int?)", Style); 2691 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2692 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2693 2694 Tokens = annotate("int?>", Style); 2695 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2696 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2697 2698 Tokens = annotate("cond? id : id2", Style); 2699 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2700 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2701 2702 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2703 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2704 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2705 } 2706 2707 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2708 auto Tokens = annotate("{ x: break; }"); 2709 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2710 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2711 2712 Tokens = annotate("{ case x: break; }"); 2713 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2714 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2715 2716 Tokens = annotate("{ x: { break; } }"); 2717 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2718 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2719 2720 Tokens = annotate("{ case x: { break; } }"); 2721 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2722 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2723 2724 Tokens = annotate("#define FOO label:"); 2725 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2726 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2727 2728 Tokens = annotate("#define FOO \\\n" 2729 "label: \\\n" 2730 " break;"); 2731 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2732 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2733 } 2734 2735 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2736 // The closing braces are not annotated. It doesn't seem to cause a problem. 2737 // So we only test for the opening braces. 2738 auto Tokens = annotate("{\n" 2739 " {\n" 2740 " { int a = 0; }\n" 2741 " }\n" 2742 " {}\n" 2743 "}"); 2744 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2745 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2746 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2747 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2748 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2749 } 2750 2751 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2752 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2753 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2754 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2755 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2756 2757 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2758 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2759 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2760 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2761 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2762 2763 Tokens = annotate("SomeStruct {\n" 2764 "#ifdef FOO\n" 2765 " .a = 1,\n" 2766 "#endif\n" 2767 " .b = 2\n" 2768 "};"); 2769 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2770 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2771 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2772 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2773 2774 Tokens = annotate("SomeStruct {\n" 2775 "#if defined FOO\n" 2776 " .a = 1,\n" 2777 "#endif\n" 2778 " .b = 2\n" 2779 "};"); 2780 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2781 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2782 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2783 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2784 2785 Tokens = annotate("Foo foo[] = {[0]{}};"); 2786 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2787 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2788 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2789 } 2790 2791 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2792 auto Annotate = [this](StringRef Code) { 2793 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2794 }; 2795 2796 // Dictionary. 2797 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2798 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2799 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2800 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2801 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2802 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2803 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2804 // Change when we need to annotate these. 2805 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2806 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2807 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2808 } 2809 2810 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2811 auto Tokens = annotate("bool foo __attribute__((unused));"); 2812 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2813 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2814 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2815 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2816 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2817 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2818 2819 Tokens = annotate("bool foo __declspec(dllimport);"); 2820 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2821 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2822 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2823 2824 Tokens = annotate("bool __attribute__((unused)) foo;"); 2825 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2826 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2827 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2828 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2829 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2830 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2831 2832 Tokens = annotate("void __attribute__((x)) Foo();"); 2833 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2834 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2835 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2836 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2837 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2838 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2839 2840 FormatStyle Style = getLLVMStyle(); 2841 Style.AttributeMacros.push_back("FOO"); 2842 Tokens = annotate("bool foo FOO(unused);", Style); 2843 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2844 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2845 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2846 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2847 } 2848 2849 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2850 auto Tokens = annotate("while (true) {}"); 2851 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2852 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2853 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2854 2855 Tokens = annotate("for (;;) {}"); 2856 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2857 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2858 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2859 2860 Tokens = annotate("do {} while (true);"); 2861 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2862 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2863 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2864 2865 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2866 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2867 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2868 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2869 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2870 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2871 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2872 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2873 2874 Tokens = annotate("switch (foo) {}"); 2875 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2876 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2877 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2878 } 2879 2880 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2881 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2882 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2883 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2884 2885 Tokens = annotate("do ++i; while ( i > 5 );"); 2886 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2887 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2888 } 2889 2890 TEST_F(TokenAnnotatorTest, StartOfName) { 2891 auto Tokens = annotate("#pragma clang diagnostic push"); 2892 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2893 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2894 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2895 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2896 2897 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2898 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2899 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2900 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2901 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2902 2903 Tokens = annotate("#define FOO Foo foo"); 2904 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2905 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2906 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2907 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2908 2909 Tokens = annotate("@interface NSCoder (TestCoder)"); 2910 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2911 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2912 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2913 } 2914 2915 TEST_F(TokenAnnotatorTest, BraceKind) { 2916 auto Tokens = annotate("void f() {};"); 2917 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2918 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2919 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2920 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2921 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2922 2923 Tokens = annotate("class Foo<int> f() {}"); 2924 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2925 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2926 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2927 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2928 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2929 2930 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2931 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2932 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2933 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2934 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2935 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2936 2937 Tokens = annotate("void f() override {};"); 2938 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2939 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2940 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2941 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2942 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2943 2944 Tokens = annotate("void f() noexcept(false) {};"); 2945 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2946 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2947 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2948 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2949 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2950 2951 Tokens = annotate("auto f() -> void {};"); 2952 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2953 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2954 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2955 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2956 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2957 2958 Tokens = annotate("void f() { /**/ };"); 2959 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2960 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2961 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2962 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2963 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2964 2965 Tokens = annotate("void f() { //\n" 2966 "};"); 2967 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2968 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2969 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2970 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2971 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2972 2973 Tokens = annotate("void f() {\n" 2974 " //\n" 2975 "};"); 2976 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2977 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2978 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2979 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2980 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2981 2982 Tokens = annotate("struct Foo {\n" 2983 " Foo() {};\n" 2984 " ~Foo() {};\n" 2985 "};"); 2986 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2987 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2988 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2989 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 2990 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 2991 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2992 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2993 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2994 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2995 2996 Tokens = annotate("{\n" 2997 " char *a[] = {\n" 2998 " /* abc */ \"abc\",\n" 2999 "#if FOO\n" 3000 " /* xyz */ \"xyz\",\n" 3001 "#endif\n" 3002 " /* last */ \"last\"};\n" 3003 "}"); 3004 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3005 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3006 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3007 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3008 3009 Tokens = 3010 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3011 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3012 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3013 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3014 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3015 3016 Tokens = annotate("struct {};"); 3017 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3018 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3019 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3020 3021 Tokens = annotate("struct : Base {};"); 3022 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3023 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3024 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3025 3026 Tokens = annotate("struct Foo {};"); 3027 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3028 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3029 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3030 3031 Tokens = annotate("struct ::Foo {};"); 3032 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3033 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3034 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3035 3036 Tokens = annotate("struct NS::Foo {};"); 3037 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3038 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3039 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3040 3041 Tokens = annotate("struct Foo<int> {};"); 3042 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3043 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3044 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3045 3046 Tokens = annotate("struct Foo<int>::Bar {};"); 3047 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3048 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3049 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3050 3051 Tokens = annotate("struct Foo<int> : Base {};"); 3052 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3053 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3054 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3055 3056 Tokens = annotate("struct Foo final {};"); 3057 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3058 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3059 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3060 3061 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3062 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3063 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3064 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3065 3066 Tokens = annotate("struct Foo x{};"); 3067 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3068 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3069 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3070 3071 Tokens = annotate("struct ::Foo x{};"); 3072 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3073 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3074 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3075 3076 Tokens = annotate("struct NS::Foo x{};"); 3077 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3078 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3079 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3080 3081 Tokens = annotate("struct Foo<int> x{};"); 3082 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3083 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3084 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3085 3086 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3087 "#else\n" 3088 "#endif\n" 3089 "class RenderingServer : Object {\n" 3090 "#ifndef DISABLE_DEPRECATED\n" 3091 " enum Features {\n" 3092 " FEATURE_SHADERS,\n" 3093 " FEATURE_MULTITHREADED,\n" 3094 " };\n" 3095 "#endif\n" 3096 "};"); 3097 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3098 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3099 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3100 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3101 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3102 } 3103 3104 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3105 auto Tokens = annotate("auto foo() -> enum En {}"); 3106 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3107 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3108 } 3109 3110 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3111 auto Tokens = annotate("{\n" 3112 " {\n" 3113 " foo();\n" 3114 " }\n" 3115 "}"); 3116 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3117 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3118 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3119 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3120 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3121 3122 Tokens = annotate("void bar() {\n" 3123 " {\n" 3124 " foo();\n" 3125 " }\n" 3126 "}"); 3127 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3128 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3129 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3130 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3131 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3132 } 3133 3134 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3135 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3136 auto Tokens = annotate("i = switch (day) {\n" 3137 " case THURSDAY, SATURDAY -> 8;\n" 3138 " case WEDNESDAY -> 9;\n" 3139 " default -> 1;\n" 3140 "};", 3141 Style); 3142 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3143 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3144 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3145 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3146 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3147 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3148 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3149 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3150 } 3151 3152 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3153 auto Tokens = annotate("a = b and c;"); 3154 ASSERT_EQ(Tokens.size(), 7u); 3155 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3156 3157 Tokens = annotate("a = b and_eq c;"); 3158 ASSERT_EQ(Tokens.size(), 7u); 3159 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3160 3161 Tokens = annotate("a = b bitand c;"); 3162 ASSERT_EQ(Tokens.size(), 7u); 3163 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3164 3165 Tokens = annotate("a = b bitor c;"); 3166 ASSERT_EQ(Tokens.size(), 7u); 3167 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3168 3169 Tokens = annotate("a = b compl c;"); 3170 ASSERT_EQ(Tokens.size(), 7u); 3171 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3172 3173 Tokens = annotate("a = b not c;"); 3174 ASSERT_EQ(Tokens.size(), 7u); 3175 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3176 3177 Tokens = annotate("a = b not_eq c;"); 3178 ASSERT_EQ(Tokens.size(), 7u); 3179 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3180 3181 Tokens = annotate("a = b or c;"); 3182 ASSERT_EQ(Tokens.size(), 7u); 3183 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3184 3185 Tokens = annotate("a = b or_eq c;"); 3186 ASSERT_EQ(Tokens.size(), 7u); 3187 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3188 3189 Tokens = annotate("a = b xor c;"); 3190 ASSERT_EQ(Tokens.size(), 7u); 3191 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3192 3193 Tokens = annotate("a = b xor_eq c;"); 3194 ASSERT_EQ(Tokens.size(), 7u); 3195 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3196 3197 Tokens = annotate("xor = foo;"); 3198 ASSERT_EQ(Tokens.size(), 5u); 3199 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3200 3201 Tokens = annotate("int xor = foo;"); 3202 ASSERT_EQ(Tokens.size(), 6u); 3203 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3204 } 3205 3206 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3207 auto Tokens = 3208 annotate("Foo::Foo(int x, int y) try\n" 3209 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3210 "} catch (...) {\n" 3211 "}"); 3212 ASSERT_EQ(Tokens.size(), 45u); 3213 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3214 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3215 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3216 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_TrailingReturnArrow); 3217 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3218 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3219 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3220 } 3221 3222 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3223 auto Style = getLLVMStyle(); 3224 Style.TypenameMacros.push_back("STRUCT"); 3225 3226 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3227 ASSERT_EQ(Tokens.size(), 13u); 3228 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3229 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3230 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3231 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3232 } 3233 3234 } // namespace 3235 } // namespace format 3236 } // namespace clang 3237