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("#define FOO bar(a * b)"); 79 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 80 EXPECT_TOKEN(Tokens[6], tok::star, TT_BinaryOperator); 81 82 Tokens = annotate("#define FOO foo.bar(a & b)"); 83 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 84 EXPECT_TOKEN(Tokens[8], tok::amp, TT_BinaryOperator); 85 86 Tokens = annotate("#define FOO foo::bar(a && b)"); 87 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 88 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 89 90 Tokens = annotate("#define FOO foo bar(a *b)"); 91 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 92 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 93 94 Tokens = annotate("#define FOO void foo::bar(a &b)"); 95 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 96 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 97 98 Tokens = annotate("void f() {\n" 99 " while (p < a && *p == 'a')\n" 100 " p++;\n" 101 "}"); 102 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 103 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 104 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 105 106 Tokens = annotate("case *x:"); 107 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 108 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 109 Tokens = annotate("case &x:"); 110 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 111 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 112 113 Tokens = annotate("bool b = 3 == int{3} && true;"); 114 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 115 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 116 117 Tokens = annotate("struct {\n" 118 "} *ptr;"); 119 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 120 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 121 Tokens = annotate("union {\n" 122 "} *ptr;"); 123 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 124 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 125 Tokens = annotate("class {\n" 126 "} *ptr;"); 127 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 128 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 129 130 Tokens = annotate("struct {\n" 131 "} &&ptr = {};"); 132 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 133 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 134 Tokens = annotate("union {\n" 135 "} &&ptr = {};"); 136 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 137 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 138 Tokens = annotate("class {\n" 139 "} &&ptr = {};"); 140 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 141 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 142 Tokens = annotate("int i = int{42} * 2;"); 143 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 144 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 145 146 Tokens = annotate("delete[] *ptr;"); 147 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 148 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 149 Tokens = annotate("delete[] **ptr;"); 150 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 151 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 152 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 153 Tokens = annotate("delete[] *(ptr);"); 154 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 155 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 156 157 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 158 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 159 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 160 // FIXME: The star of a function pointer probably makes more sense as 161 // TT_PointerOrReference. 162 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 163 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 164 165 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 166 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 167 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 168 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 169 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 170 171 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 172 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 173 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 174 175 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 176 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 177 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 178 179 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 180 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 181 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 182 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 183 184 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 185 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 186 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 187 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 188 189 Tokens = annotate("Type1 &val1 = val2;"); 190 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 191 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 192 193 Tokens = annotate("Type1 *val1 = &val2;"); 194 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 195 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 196 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 197 198 Tokens = annotate("val1 & val2;"); 199 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 200 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 201 202 Tokens = annotate("val1 & val2.member;"); 203 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 204 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 205 206 Tokens = annotate("val1 & val2.*member;"); 207 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 208 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 209 210 Tokens = annotate("val1.*member & val2;"); 211 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 212 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 213 214 Tokens = annotate("val1 & val2->*member;"); 215 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 216 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 217 218 Tokens = annotate("val1->member & val2;"); 219 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 220 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 221 222 Tokens = annotate("val1 & val2 & val3;"); 223 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 224 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 225 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 226 227 Tokens = annotate("val1 & val2 // comment\n" 228 " & val3;"); 229 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 230 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 231 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 232 233 Tokens = 234 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 235 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 236 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 237 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 238 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 239 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 240 241 Tokens = annotate("class c {\n" 242 " void func(type &a) { a & member; }\n" 243 " anotherType &member;\n" 244 "}"); 245 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 246 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 247 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 248 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 249 250 Tokens = annotate("struct S {\n" 251 " auto Mem = C & D;\n" 252 "}"); 253 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 254 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 255 256 Tokens = 257 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 258 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 259 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 260 261 Tokens = annotate("template <typename T> struct S {\n" 262 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 263 "};"); 264 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 265 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 266 267 Tokens = annotate("template <bool B = C && D> struct S {};"); 268 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 269 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 270 271 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 272 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 273 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 274 275 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 276 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 277 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 278 279 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 280 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 281 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 282 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 283 284 Tokens = annotate("Foo<A && B> a = {};"); 285 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 286 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 287 288 Tokens = annotate("Foo<A &&> a = {};"); 289 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 290 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 291 292 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 293 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 294 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 295 296 Tokens = 297 annotate("auto foo() noexcept(noexcept(bar()) && " 298 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 299 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 300 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 301 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 302 303 Tokens = annotate("foo = *i < *j && *j > *k;"); 304 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 305 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 306 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 307 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 308 309 FormatStyle Style = getLLVMStyle(); 310 Style.TypeNames.push_back("MYI"); 311 Tokens = annotate("if (MYI *p{nullptr})", Style); 312 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 313 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 314 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 315 316 Style.TypeNames.push_back("Class"); 317 Tokens = annotate("if (Class *obj {getObj()})", Style); 318 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 319 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 320 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 321 322 Tokens = annotate("class Foo {\n" 323 " void operator<() {}\n" 324 " Foo &f;\n" 325 "};"); 326 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 327 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 328 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 329 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 330 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 331 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 332 333 Tokens = annotate("if (new && num) {\n" 334 " new = 1;\n" 335 "}\n" 336 "if (!delete && num) {\n" 337 " delete = 1;\n" 338 "}"); 339 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 340 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 341 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 342 } 343 344 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 345 auto Tokens = annotate("x - 0"); 346 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 347 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 348 Tokens = annotate("0 + 0"); 349 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 350 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 351 Tokens = annotate("x + +0"); 352 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 353 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 354 Tokens = annotate("x ? -0 : +0"); 355 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 356 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 357 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 358 Tokens = annotate("(-0)"); 359 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 360 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 361 Tokens = annotate("0, -0"); 362 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 363 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 364 Tokens = annotate("for (; -1;) {\n}"); 365 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 366 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 367 Tokens = annotate("x = -1;"); 368 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 369 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 370 Tokens = annotate("x[-1]"); 371 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 372 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 373 Tokens = annotate("x = {-1};"); 374 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 375 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 376 Tokens = annotate("case -x:"); 377 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 378 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 379 Tokens = annotate("co_await -x;"); 380 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 381 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 382 Tokens = annotate("co_return -x;"); 383 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 384 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 385 Tokens = annotate("co_yield -x;"); 386 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 387 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 388 Tokens = annotate("delete -x;"); 389 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 390 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 391 Tokens = annotate("return -x;"); 392 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 393 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 394 Tokens = annotate("throw -x;"); 395 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 397 Tokens = annotate("sizeof -x"); 398 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 399 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 400 Tokens = annotate("co_await +x;"); 401 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 402 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 403 Tokens = annotate("co_return +x;"); 404 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 405 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 406 Tokens = annotate("co_yield +x;"); 407 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 408 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 409 Tokens = annotate("delete +x;"); 410 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 411 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 412 Tokens = annotate("return +x;"); 413 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 414 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 415 Tokens = annotate("throw +x;"); 416 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 417 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 418 Tokens = annotate("sizeof +x"); 419 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 420 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 421 Tokens = annotate("(int)-x"); 422 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 423 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 424 Tokens = annotate("(-x)"); 425 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 426 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 427 Tokens = annotate("!+x"); 428 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 429 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 430 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 431 } 432 433 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 434 auto Tokens = annotate("class C {};"); 435 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 436 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 437 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 438 439 Tokens = annotate("const class C {} c;"); 440 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 441 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 442 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 443 444 Tokens = annotate("const class {} c;"); 445 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 446 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 447 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 448 449 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 450 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 451 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 452 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 453 } 454 455 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 456 auto Tokens = annotate("struct S {};"); 457 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 458 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 459 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 460 461 Tokens = annotate("struct macro(a) S {};"); 462 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 463 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 464 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 465 466 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 467 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 468 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 469 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 470 471 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 472 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 473 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 474 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 475 476 Tokens = annotate("struct macro(a) S {\n" 477 " void f(T &t);\n" 478 "};"); 479 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 480 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 481 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 482 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 483 484 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 485 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 486 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 487 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 488 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 489 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 490 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 491 492 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 493 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 494 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 495 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 496 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 497 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 498 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 499 500 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 501 " void f(T const (&a)[n]);\n" 502 "};"); 503 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 504 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 505 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 506 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 507 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 508 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 509 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 510 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 511 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 512 513 Tokens = annotate("template <typename T, enum E e> struct S {};"); 514 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 515 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 516 517 auto Style = getLLVMStyle(); 518 Style.AttributeMacros.push_back("EXPORT"); 519 Tokens = annotate("struct EXPORT StructName {};", Style); 520 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 521 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 522 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 523 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 524 } 525 526 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 527 auto Tokens = annotate("union U {};"); 528 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 529 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 530 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 531 532 Tokens = annotate("union U { void f() { return; } };"); 533 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 534 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 535 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 536 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 537 } 538 539 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 540 auto Tokens = annotate("enum E {};"); 541 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 542 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 543 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 544 } 545 546 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 547 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 548 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 549 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 550 551 Tokens = annotate("template <typename T> void F(T) && = delete;"); 552 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 553 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 554 } 555 556 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 557 auto Tokens = 558 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 559 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 560 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 561 } 562 563 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 564 auto Tokens = 565 annotate("template <typename T> " 566 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 567 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 568 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 569 } 570 571 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 572 auto Tokens = 573 annotate("#define FOO(typeName) \\\n" 574 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 575 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 576 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 577 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 578 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 579 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 580 } 581 582 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 583 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 584 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 585 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 586 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 587 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 588 } 589 590 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 591 // IsExpression = false 592 auto Tokens = annotate("foo<true ? 1 : 2>();"); 593 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 594 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 595 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 596 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 597 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 598 599 // IsExpression = true 600 Tokens = annotate("return foo<true ? 1 : 2>();"); 601 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 602 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 603 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 604 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 605 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 606 } 607 608 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 609 auto Tokens = annotate("return a < b && c > d;"); 610 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 611 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 612 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 613 614 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 615 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 616 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 617 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 618 619 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 620 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 621 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 622 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 623 } 624 625 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 626 auto Tokens = annotate("template <template <typename...> typename X,\n" 627 " template <typename...> class Y,\n" 628 " typename... T>\n" 629 "class A {};"); 630 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 631 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 632 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 633 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 634 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 635 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 636 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 637 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 638 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 639 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 640 } 641 642 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 643 FormatStyle Style = getLLVMStyle(); 644 Style.WhitespaceSensitiveMacros.push_back("FOO"); 645 646 auto Tokens = annotate("FOO(1+2 )", Style); 647 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 648 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 649 650 Tokens = annotate("FOO(a:b:c)", Style); 651 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 652 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 653 } 654 655 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 656 auto Tokens = annotate("delete (void *)p;"); 657 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 658 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 659 660 Tokens = annotate("delete[] (void *)p;"); 661 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 662 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 663 664 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 665 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 666 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 667 668 Tokens = annotate("delete[/*comment*/] (void *)p;"); 669 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 670 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 671 672 Tokens = annotate("delete/*comment*/[] (void *)p;"); 673 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 674 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 675 } 676 677 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 678 auto Tokens = annotate("(void)p;"); 679 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 680 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 681 682 Tokens = annotate("(uint32_t)&&label;"); 683 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 684 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 685 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 686 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 687 688 Tokens = annotate("auto x = (Foo)p;"); 689 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 690 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 691 692 Tokens = annotate("(std::vector<int>)p;"); 693 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 694 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 695 696 Tokens = annotate("return (Foo)p;"); 697 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 698 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 699 700 Tokens = annotate("throw (Foo)p;"); 701 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 702 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 703 704 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 705 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 706 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 707 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 708 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 709 710 Tokens = annotate("#define foo(i) ((i) - bar)"); 711 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 712 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 713 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 714 715 Tokens = annotate("return (Foo) & 10;"); 716 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 717 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 718 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 719 720 Tokens = annotate("return (struct foo){};"); 721 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 722 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 723 724 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 725 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 726 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 727 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 728 729 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 730 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 731 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 732 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 733 734 auto Style = getLLVMStyle(); 735 Style.TypeNames.push_back("Foo"); 736 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 737 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 738 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 739 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 740 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 741 } 742 743 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 744 auto Tokens = annotate("void f() throw(int);"); 745 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 746 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 747 } 748 749 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 750 auto Tokens = annotate("void f() &;"); 751 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 752 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 753 754 Tokens = annotate("void operator=(T) &&;"); 755 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 756 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 757 758 Tokens = annotate("template <typename T> void f() &;"); 759 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 760 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 761 762 Tokens = annotate("template <typename T> void operator=(T) &;"); 763 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 764 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 765 } 766 767 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 768 auto Tokens = annotate("x.operator+()"); 769 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 770 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 771 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 772 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 773 Tokens = annotate("x.operator=()"); 774 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 775 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 776 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 777 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 778 Tokens = annotate("x.operator+=()"); 779 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 780 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 781 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 782 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 783 Tokens = annotate("x.operator,()"); 784 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 785 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 786 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 787 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 788 Tokens = annotate("x.operator()()"); 789 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 790 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 791 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 792 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 793 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 794 Tokens = annotate("x.operator[]()"); 795 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 796 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 797 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 798 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 799 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 800 Tokens = annotate("x.operator\"\"_a()"); 801 ASSERT_EQ(Tokens.size(), 7u) << 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[4], tok::l_paren, TT_OverloadedOperatorLParen); 805 Tokens = annotate("x.operator\"\" _a()"); 806 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 807 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 808 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 809 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 810 Tokens = annotate("x.operator\"\"if()"); 811 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 812 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 813 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 814 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 815 Tokens = annotate("x.operator\"\"s()"); 816 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 817 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 818 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 819 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 820 Tokens = annotate("x.operator\"\" s()"); 821 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 822 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 823 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 824 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 825 826 Tokens = annotate("int operator+(int);"); 827 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 828 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 829 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 830 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 831 Tokens = annotate("auto operator=(T&) {}"); 832 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 833 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 834 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 835 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 836 Tokens = annotate("auto operator()() {}"); 837 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 838 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 839 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 840 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 841 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 842 843 Tokens = annotate("class Foo {\n" 844 " int operator+(a* b);\n" 845 "}"); 846 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 847 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 848 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 849 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 850 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 851 852 Tokens = annotate("class Foo {\n" 853 " int c = operator+(a * b);\n" 854 "}"); 855 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 856 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 857 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 858 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 859 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 860 861 Tokens = annotate("void foo() {\n" 862 " operator+(a * b);\n" 863 "}"); 864 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 865 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 866 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 867 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 868 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 869 870 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 871 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 872 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 873 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 874 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 875 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 876 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 877 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 878 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 879 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 880 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 881 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 882 883 Tokens = annotate("class Foo {\n" 884 " void foo() {\n" 885 " operator+(a * b);\n" 886 " }\n" 887 "}"); 888 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 889 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 890 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 891 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 892 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 893 894 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 895 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 896 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 897 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 898 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 899 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 900 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 901 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 902 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 903 904 Tokens = annotate("decltype(auto) operator()(T &x);"); 905 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 906 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 907 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 908 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 909 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 910 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 911 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 912 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 913 } 914 915 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 916 struct { 917 const char *Text; 918 tok::TokenKind Kind; 919 } Operators[] = {{"+", tok::plus}, 920 {"-", tok::minus}, 921 // FIXME: 922 // {"*", tok::star}, 923 {"/", tok::slash}, 924 {"%", tok::percent}, 925 {"^", tok::caret}, 926 // FIXME: 927 // {"&", tok::amp}, 928 {"|", tok::pipe}, 929 {"~", tok::tilde}, 930 {"!", tok::exclaim}, 931 {"=", tok::equal}, 932 // FIXME: 933 // {"<", tok::less}, 934 {">", tok::greater}, 935 {"+=", tok::plusequal}, 936 {"-=", tok::minusequal}, 937 {"*=", tok::starequal}, 938 {"/=", tok::slashequal}, 939 {"%=", tok::percentequal}, 940 {"^=", tok::caretequal}, 941 {"&=", tok::ampequal}, 942 {"|=", tok::pipeequal}, 943 {"<<", tok::lessless}, 944 {">>", tok::greatergreater}, 945 {">>=", tok::greatergreaterequal}, 946 {"<<=", tok::lesslessequal}, 947 {"==", tok::equalequal}, 948 {"!=", tok::exclaimequal}, 949 {"<=", tok::lessequal}, 950 {">=", tok::greaterequal}, 951 {"<=>", tok::spaceship}, 952 {"&&", tok::ampamp}, 953 {"||", tok::pipepipe}, 954 {"++", tok::plusplus}, 955 {"--", tok::minusminus}, 956 {",", tok::comma}, 957 {"->*", tok::arrowstar}, 958 {"->", tok::arrow}}; 959 960 for (const auto &Operator : Operators) { 961 std::string Input("C<&operator"); 962 Input += Operator.Text; 963 Input += " > a;"; 964 auto Tokens = annotate(std::string(Input)); 965 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 966 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 967 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 968 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 969 } 970 971 auto Tokens = annotate("C<&operator< <X>> lt;"); 972 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 973 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 974 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 975 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 976 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 977 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 978 } 979 980 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 981 auto Tokens = annotate("template <typename T>\n" 982 "concept C = (Foo && Bar) && (Bar && Baz);"); 983 984 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 985 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 986 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 987 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 988 989 Tokens = annotate("template <typename T>\n" 990 "concept C = Foo && !Bar;"); 991 992 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 993 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 994 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 995 996 Tokens = annotate("template <typename T>\n" 997 "concept C = requires(T t) {\n" 998 " { t.foo() };\n" 999 "} && Bar<T> && Baz<T>;"); 1000 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1001 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1002 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1003 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1004 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1005 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1006 1007 Tokens = annotate("template<typename T>\n" 1008 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1009 "struct Foo;"); 1010 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1011 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1012 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1013 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1014 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1015 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1016 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1017 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1018 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1019 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1020 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1021 1022 Tokens = 1023 annotate("template<typename T>\n" 1024 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1025 "struct Foo;"); 1026 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1027 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1028 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1029 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1030 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1031 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1032 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1033 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1034 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1035 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1036 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1037 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1038 1039 Tokens = annotate("template <typename T>\n" 1040 "void foo(T) noexcept requires Bar<T>;"); 1041 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1042 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1043 1044 Tokens = annotate("template <typename T>\n" 1045 "requires Bar<T> || Baz<T>\n" 1046 "auto foo(T) -> int;"); 1047 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1048 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1049 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1050 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1051 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1052 1053 Tokens = annotate("template <typename T>\n" 1054 "requires Bar<T>\n" 1055 "bool foo(T) { return false; }"); 1056 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1057 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1058 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1059 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1060 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1061 1062 Tokens = annotate("template <typename T>\n" 1063 "requires Bar<T>\n" 1064 "decltype(auto) foo(T) { return false; }"); 1065 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1066 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1067 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1068 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1069 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1070 1071 Tokens = annotate("template <typename T>\n" 1072 "struct S {\n" 1073 " void foo() const requires Bar<T>;\n" 1074 " void bar() const & requires Baz<T>;\n" 1075 " void bar() && requires Baz2<T>;\n" 1076 " void baz() const & noexcept requires Baz<T>;\n" 1077 " void baz() && noexcept requires Baz2<T>;\n" 1078 "};\n" 1079 "\n" 1080 "void S::bar() const & requires Baz<T> { }"); 1081 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1082 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1083 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1084 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1085 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1086 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1087 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1088 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1089 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1090 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1091 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1092 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1093 1094 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1095 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1096 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1097 1098 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1099 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1100 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1101 1102 Tokens = 1103 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1104 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1105 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1106 1107 Tokens = annotate("void Class::member() && requires(typename " 1108 "Namespace::Outer<T>::Inner::Constant) {}"); 1109 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1110 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1111 1112 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1113 " template<class T>\n" 1114 " requires requires { number_zero_v<T>; }\n" 1115 " [[nodiscard]] constexpr operator T() const { " 1116 "return number_zero_v<T>; }\n" 1117 "};"); 1118 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1119 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1120 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1121 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1122 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1123 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1124 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1125 1126 Tokens = 1127 annotate("template <class A, class B> concept C =" 1128 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1129 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1130 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1131 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1132 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1133 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1134 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1135 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1136 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1137 1138 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1139 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1140 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1141 1142 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1143 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1144 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1145 1146 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1147 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1148 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1149 1150 Tokens = 1151 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1152 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1153 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1154 1155 Tokens = 1156 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1157 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1158 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1159 1160 Tokens = 1161 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1162 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1163 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1164 1165 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1166 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1167 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1168 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1169 1170 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1171 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1172 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1173 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1174 1175 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1176 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1177 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1178 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1179 1180 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1181 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1182 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1183 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1184 1185 Tokens = annotate("void f() & requires(true) {}"); 1186 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1187 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1188 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1189 1190 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1191 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1192 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1193 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1194 1195 Tokens = annotate("template <typename T>\n" 1196 "concept C = (!Foo<T>) && Bar;"); 1197 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1198 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1199 1200 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1201 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1202 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1203 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1204 1205 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1206 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1207 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1208 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1209 1210 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1211 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1212 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1213 1214 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1215 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1216 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1217 1218 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1219 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1220 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1221 } 1222 1223 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1224 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1225 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1226 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1227 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1228 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1229 1230 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1231 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1232 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1233 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1234 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1235 1236 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1237 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1238 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1239 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1240 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1241 1242 Tokens = annotate("foo(requires(const T t) {});"); 1243 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1244 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1245 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1246 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1247 1248 Tokens = annotate("foo(requires(const int t) {});"); 1249 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1250 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1251 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1252 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1253 1254 Tokens = annotate("foo(requires(const T t) {});"); 1255 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1256 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1257 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1258 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1259 1260 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1261 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1262 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1263 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1264 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1265 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1266 1267 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1268 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1269 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1270 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1271 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1272 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1273 1274 Tokens = annotate("foo(requires(T& t) {});"); 1275 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1276 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1277 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1278 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1279 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1280 1281 Tokens = annotate("foo(requires(T&& t) {});"); 1282 ASSERT_EQ(Tokens.size(), 13u) << 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[5], tok::ampamp, TT_PointerOrReference); 1286 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1287 1288 Tokens = annotate("bool foo = requires(T& t) {};"); 1289 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1290 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1291 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1292 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1293 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1294 1295 Tokens = annotate("bool foo = requires(T&& t) {};"); 1296 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1297 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1298 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1299 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1300 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1301 1302 Tokens = 1303 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1304 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1305 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1306 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1307 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1308 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1309 1310 Tokens = annotate("template <typename T>\n" 1311 "concept C = requires(T T) {\n" 1312 " requires Bar<T> && Foo<T>;\n" 1313 "};"); 1314 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1315 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1316 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1317 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1318 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1319 TT_RequiresClauseInARequiresExpression); 1320 1321 Tokens = annotate("template <typename T>\n" 1322 "concept C = requires(T T) {\n" 1323 " { t.func() } -> std::same_as<int>;" 1324 " requires Bar<T> && Foo<T>;\n" 1325 "};"); 1326 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1327 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1328 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1329 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1330 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1331 TT_RequiresClauseInARequiresExpression); 1332 1333 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1334 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1335 "requires true; };"); 1336 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1337 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1338 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1339 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1340 1341 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1342 " { c.foo(); }\n" 1343 "};"); 1344 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1345 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1346 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1347 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1348 } 1349 1350 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1351 // Everything after #pragma region should be ImplicitStringLiteral 1352 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1353 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1354 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1355 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1356 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1357 1358 // Make sure it's annotated correctly inside a function as well 1359 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1360 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1361 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1362 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1363 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1364 } 1365 1366 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1367 const char *BaseCode = nullptr; 1368 const char *ConstrainedCode = nullptr; 1369 auto BaseTokenCount = 0u; 1370 auto RequiresTokenCount = 0u; 1371 auto PrefixTokenCount = 0u; 1372 1373 auto TestRequires = [&](int Line) { 1374 const auto BaseTokens = annotate(BaseCode); 1375 const auto ConstrainedTokens = annotate(ConstrainedCode); 1376 1377 #define LINE " (Line " << Line << ')' 1378 1379 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1380 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1381 << LINE; 1382 1383 for (auto I = 0u; I < BaseTokenCount; ++I) { 1384 EXPECT_EQ( 1385 *BaseTokens[I], 1386 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1387 << I << LINE; 1388 } 1389 1390 #undef LINE 1391 }; 1392 1393 BaseCode = "template<typename T>\n" 1394 "T Pi = 3.14;"; 1395 ConstrainedCode = "template<typename T>\n" 1396 " requires Foo<T>\n" 1397 "T Pi = 3.14;"; 1398 BaseTokenCount = 11; 1399 RequiresTokenCount = 5; 1400 PrefixTokenCount = 5; 1401 TestRequires(__LINE__); 1402 1403 BaseCode = "template<typename T>\n" 1404 "struct Bar;"; 1405 ConstrainedCode = "template<typename T>\n" 1406 " requires Foo<T>\n" 1407 "struct Bar;"; 1408 BaseTokenCount = 9; 1409 TestRequires(__LINE__); 1410 1411 BaseCode = "template<typename T>\n" 1412 "struct Bar {\n" 1413 " T foo();\n" 1414 " T bar();\n" 1415 "};"; 1416 ConstrainedCode = "template<typename T>\n" 1417 " requires Foo<T>\n" 1418 "struct Bar {\n" 1419 " T foo();\n" 1420 " T bar();\n" 1421 "};"; 1422 BaseTokenCount = 21; 1423 TestRequires(__LINE__); 1424 1425 BaseCode = "template<typename T>\n" 1426 "Bar(T) -> Bar<T>;"; 1427 ConstrainedCode = "template<typename T>\n" 1428 " requires Foo<T>\n" 1429 "Bar(T) -> Bar<T>;"; 1430 BaseTokenCount = 16; 1431 TestRequires(__LINE__); 1432 1433 BaseCode = "template<typename T>\n" 1434 "T foo();"; 1435 ConstrainedCode = "template<typename T>\n" 1436 " requires Foo<T>\n" 1437 "T foo();"; 1438 BaseTokenCount = 11; 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 " requires Foo<T>\n" 1448 "T foo() {\n" 1449 " auto bar = baz();\n" 1450 " return bar + T{};\n" 1451 "}"; 1452 BaseTokenCount = 26; 1453 TestRequires(__LINE__); 1454 1455 BaseCode = "template<typename T>\n" 1456 "T foo();"; 1457 ConstrainedCode = "template<typename T>\n" 1458 "T foo() requires Foo<T>;"; 1459 BaseTokenCount = 11; 1460 PrefixTokenCount = 9; 1461 TestRequires(__LINE__); 1462 1463 BaseCode = "template<typename T>\n" 1464 "T foo() {\n" 1465 " auto bar = baz();\n" 1466 " return bar + T{};\n" 1467 "}"; 1468 ConstrainedCode = "template<typename T>\n" 1469 "T foo() requires Foo<T> {\n" 1470 " auto bar = baz();\n" 1471 " return bar + T{};\n" 1472 "}"; 1473 BaseTokenCount = 26; 1474 TestRequires(__LINE__); 1475 1476 BaseCode = "template<typename T>\n" 1477 "T foo();"; 1478 ConstrainedCode = "template<typename T>\n" 1479 " requires(Foo<T>)\n" 1480 "T foo();"; 1481 BaseTokenCount = 11; 1482 RequiresTokenCount = 7; 1483 PrefixTokenCount = 5; 1484 TestRequires(__LINE__); 1485 1486 BaseCode = "template<typename T>\n" 1487 "Bar(T) -> Bar<typename T::I>;"; 1488 ConstrainedCode = "template<typename T>\n" 1489 " requires requires(T &&t) {\n" 1490 " typename T::I;\n" 1491 " }\n" 1492 "Bar(T) -> Bar<typename T::I>;"; 1493 BaseTokenCount = 19; 1494 RequiresTokenCount = 14; 1495 PrefixTokenCount = 5; 1496 TestRequires(__LINE__); 1497 1498 BaseCode = "struct [[nodiscard]] zero_t {\n" 1499 " template<class T>\n" 1500 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1501 "};"; 1502 ConstrainedCode = 1503 "struct [[nodiscard]] zero_t {\n" 1504 " template<class T>\n" 1505 " requires requires { v<T>; }\n" 1506 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1507 "};"; 1508 BaseTokenCount = 35; 1509 RequiresTokenCount = 9; 1510 PrefixTokenCount = 13; 1511 TestRequires(__LINE__); 1512 1513 BaseCode = "constexpr Foo(Foo const &other)\n" 1514 " : value{other.value} {\n" 1515 " do_magic();\n" 1516 " do_more_magic();\n" 1517 "}"; 1518 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1519 " requires std::is_copy_constructible<T>\n" 1520 " : value{other.value} {\n" 1521 " do_magic();\n" 1522 " do_more_magic();\n" 1523 "}"; 1524 BaseTokenCount = 26; 1525 RequiresTokenCount = 7; 1526 PrefixTokenCount = 8; 1527 TestRequires(__LINE__); 1528 1529 BaseCode = "constexpr Foo(Foo const &other)\n" 1530 " : value{other.value} {\n" 1531 " do_magic();\n" 1532 " do_more_magic();\n" 1533 "}"; 1534 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1535 " requires (std::is_copy_constructible<T>)\n" 1536 " : value{other.value} {\n" 1537 " do_magic();\n" 1538 " do_more_magic();\n" 1539 "}"; 1540 RequiresTokenCount = 9; 1541 TestRequires(__LINE__); 1542 1543 BaseCode = "template<typename T>\n" 1544 "ANNOTATE(\"S\"\n" 1545 " \"S\")\n" 1546 "void foo();"; 1547 ConstrainedCode = "template<typename T>\n" 1548 " requires(true)\n" 1549 "ANNOTATE(\"S\"\n" 1550 " \"S\")\n" 1551 "void foo();"; 1552 BaseTokenCount = 16; 1553 RequiresTokenCount = 4; 1554 PrefixTokenCount = 5; 1555 TestRequires(__LINE__); 1556 } 1557 1558 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1559 auto Tokens = annotate("__asm{\n" 1560 "\"a\":\n" 1561 ": x\n" 1562 ":};"); 1563 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1564 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1565 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1566 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1567 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1568 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1569 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1570 1571 Tokens = annotate("__asm(\n" 1572 "\"a\":\n" 1573 ": x\n" 1574 ":);"); 1575 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1576 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1577 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1578 EXPECT_TOKEN(Tokens[4], 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 ":\n" 1584 ": x\n" 1585 ":);"); 1586 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1587 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1588 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1589 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1590 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1591 1592 Tokens = annotate("__asm__(\n" 1593 "\"a_label:\"\n" 1594 ": x\n" 1595 ":\n" 1596 ": y);"); 1597 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1598 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1599 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1600 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1601 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1602 1603 Tokens = annotate("__asm volatile (\n" 1604 "\"a_label:\"\n" 1605 "\"a b c(%%x)\"\n" 1606 ":\n" 1607 ": x\n" 1608 ":);"); 1609 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1610 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1611 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1612 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1613 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1614 1615 Tokens = annotate("asm(\n" 1616 "\"insn\"\n" 1617 ": \"=r\" (var1), \"=&r\" (value)\n" 1618 ":\n" 1619 ": \"memory\");"); 1620 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1621 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1622 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1623 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1624 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1625 1626 Tokens = annotate("__asm__ volatile (\n" 1627 "\"ldr r1, [r0, %%[sym]]\"\n" 1628 ":\n" 1629 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1630 ");"); 1631 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1632 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1633 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1634 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1635 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1636 } 1637 1638 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1639 auto Tokens = annotate("int (^)() = ^ ()\n" 1640 " external_source_symbol() { //\n" 1641 " return 1;\n" 1642 "};"); 1643 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1644 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1645 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1646 1647 Tokens = annotate("int *p = ^int*(){ //\n" 1648 " return nullptr;\n" 1649 "}();"); 1650 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1651 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1652 } 1653 1654 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1655 auto Tokens = annotate("void f() {\n" 1656 " //\n" 1657 " BOOL a = [b.c n] > 1;\n" 1658 "}"); 1659 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1660 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1661 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1662 } 1663 1664 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1665 auto Tokens = annotate("[]() constexpr {}"); 1666 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1667 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1668 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1669 1670 Tokens = annotate("[]() consteval {}"); 1671 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1672 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1673 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1674 1675 Tokens = annotate("[]() mutable {}"); 1676 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1677 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1678 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1679 1680 Tokens = annotate("[]() static {}"); 1681 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1682 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1683 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1684 1685 Tokens = annotate("[]() -> auto {}"); 1686 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1687 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1688 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1689 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1690 1691 Tokens = annotate("[]() -> auto & {}"); 1692 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1693 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1694 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1695 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1696 1697 Tokens = annotate("[]() -> auto * {}"); 1698 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1699 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1700 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 1701 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1702 1703 Tokens = annotate("[] {}"); 1704 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1705 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1706 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1707 1708 Tokens = annotate("[] noexcept {}"); 1709 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1710 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1711 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1712 1713 Tokens = annotate("[] -> auto {}"); 1714 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1715 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1716 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1717 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1718 1719 Tokens = annotate("[] -> struct S { return {}; }"); 1720 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1721 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1722 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_TrailingReturnArrow); 1723 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1724 1725 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1726 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1727 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1728 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_TrailingReturnArrow); 1729 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1730 1731 Tokens = annotate("[] <typename T> () {}"); 1732 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1733 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1734 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1735 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1736 1737 Tokens = annotate("[] <typename T> {}"); 1738 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1739 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1740 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1741 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1742 1743 Tokens = annotate("[] <typename... T> () {}"); 1744 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1745 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1746 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1747 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1748 1749 Tokens = annotate("[] <typename... T> {}"); 1750 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1751 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1752 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1753 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1754 1755 Tokens = annotate("[] <int... T> () {}"); 1756 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1757 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1758 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1759 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1760 1761 Tokens = annotate("[] <int... T> {}"); 1762 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1763 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1764 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1765 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1766 1767 Tokens = annotate("[] <Foo... T> () {}"); 1768 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1769 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1770 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1771 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1772 1773 Tokens = annotate("[] <Foo... T> {}"); 1774 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1775 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1776 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1777 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1778 1779 // Lambdas with a requires-clause 1780 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1781 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1782 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1783 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1784 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1785 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1786 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1787 1788 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1789 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1790 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1791 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1792 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1793 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1794 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1795 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1796 1797 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1798 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1799 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1800 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1801 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1802 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1803 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1804 1805 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1806 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1807 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1808 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1809 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_TrailingReturnArrow); 1810 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1811 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1812 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1813 1814 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1815 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1816 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1817 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1818 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1819 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1820 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1821 1822 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1823 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1824 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1825 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1826 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1827 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1828 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1829 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1830 1831 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1832 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1833 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1834 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1835 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1836 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1837 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1838 1839 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1840 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1841 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1842 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1843 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1844 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1845 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1846 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1847 1848 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1849 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1850 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1851 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1852 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1853 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1854 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1855 1856 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1857 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1858 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1859 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1860 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1861 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1862 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1863 1864 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1865 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1866 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1867 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1868 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1869 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1870 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_TrailingReturnArrow); 1871 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1872 1873 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1874 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1875 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1876 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1877 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1878 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1879 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1880 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1881 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1882 1883 Tokens = annotate("[] <typename T = int> (T t) {}"); 1884 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1885 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1886 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1887 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1888 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1889 1890 Tokens = annotate("[] <int I = 0> (T t) {}"); 1891 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1892 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1893 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1894 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1895 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1896 1897 Tokens = annotate("[] <bool b = false> (T t) {}"); 1898 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1899 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1900 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1901 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1902 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1903 1904 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1905 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1906 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1907 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1908 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1909 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1910 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1911 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1912 1913 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1914 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1915 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1916 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1917 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1918 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1919 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1920 } 1921 1922 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 1923 auto Tokens = annotate("template <typename T>\n" 1924 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 1925 "string OldFunction(const string ¶meter) {}"); 1926 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1927 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 1928 1929 Tokens = annotate("template <typename T>\n" 1930 "A(T) noexcept;"); 1931 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1932 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 1933 1934 Tokens = annotate("FOO(bar)();"); 1935 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1936 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 1937 } 1938 1939 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 1940 auto Tokens = annotate("void f [[noreturn]] ();"); 1941 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1942 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1943 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1944 1945 Tokens = annotate("void f [[noreturn]] () {}"); 1946 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1947 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1948 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1949 1950 Tokens = annotate("#define FOO Foo::\n" 1951 "FOO Foo();"); 1952 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1953 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 1954 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1955 1956 Tokens = annotate("struct Foo {\n" 1957 " Bar (*func)();\n" 1958 "};"); 1959 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1960 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 1961 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 1962 1963 Tokens = annotate("void instanceof();"); 1964 ASSERT_EQ(Tokens.size(), 6u); 1965 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1966 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 1967 1968 Tokens = annotate("int iso_time(time_t);"); 1969 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1970 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1971 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 1972 1973 auto Style = getLLVMStyle(); 1974 Style.TypeNames.push_back("MyType"); 1975 Tokens = annotate("int iso_time(MyType);", Style); 1976 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1977 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 1978 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 1979 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 1980 } 1981 1982 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 1983 auto Tokens = annotate("class Foo { public: Foo(); };"); 1984 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1985 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 1986 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 1987 1988 Tokens = annotate("class Foo { public: ~Foo(); };"); 1989 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1990 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 1991 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 1992 1993 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 1994 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1995 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 1996 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 1997 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 1998 1999 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2000 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2001 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2002 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2003 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2004 2005 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2006 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2007 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2008 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2009 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2010 2011 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2012 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2013 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2014 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2015 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2016 2017 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2018 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2019 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2020 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2021 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2022 2023 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2024 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2025 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2026 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2027 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2028 2029 Tokens = annotate("Foo::Foo() {}"); 2030 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2031 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2032 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2033 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2034 2035 Tokens = annotate("Foo::~Foo() {}"); 2036 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2037 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2038 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2039 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2040 2041 Tokens = annotate("struct Test {\n" 2042 " Test()\n" 2043 " : l([] {\n" 2044 " Short::foo();\n" 2045 " }) {}\n" 2046 "};"); 2047 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2048 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2049 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2050 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2051 } 2052 2053 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2054 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2055 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2056 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2057 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2058 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2059 } 2060 2061 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2062 auto Tokens = annotate("auto f() -> int;"); 2063 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2064 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2065 2066 Tokens = annotate("auto operator->() -> int;"); 2067 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2068 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2069 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2070 2071 Tokens = annotate("auto operator++(int) -> int;"); 2072 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2073 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2074 2075 Tokens = annotate("auto operator=() -> int;"); 2076 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2077 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2078 2079 Tokens = annotate("auto operator=(int) -> int;"); 2080 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2081 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2082 2083 Tokens = annotate("auto foo() -> auto { return Val; }"); 2084 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2085 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2086 2087 Tokens = annotate("struct S { auto bar() const -> int; };"); 2088 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2089 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2090 2091 // Not trailing return arrows 2092 Tokens = annotate("auto a = b->c;"); 2093 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2094 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2095 2096 Tokens = annotate("auto a = (b)->c;"); 2097 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2098 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2099 2100 Tokens = annotate("auto a = b()->c;"); 2101 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2102 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2103 2104 Tokens = annotate("auto a = b->c();"); 2105 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2106 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2107 2108 Tokens = annotate("decltype(auto) a = b()->c;"); 2109 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2110 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2111 2112 Tokens = annotate("void f() { auto a = b->c(); }"); 2113 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2114 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2115 2116 Tokens = annotate("void f() { auto a = b()->c; }"); 2117 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2118 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2119 2120 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2121 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2122 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2123 2124 Tokens = annotate("void f() FOO(foo->bar);"); 2125 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2126 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2127 2128 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2129 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2130 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2131 2132 auto Style = getLLVMStyle(); 2133 Style.StatementAttributeLikeMacros.push_back("emit"); 2134 Tokens = annotate("emit foo()->bar;", Style); 2135 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2136 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2137 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2138 2139 // Mixed 2140 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2141 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2142 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2143 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2144 } 2145 2146 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2147 auto Tokens = annotate("#define Foo(Bar) \\\n" 2148 " { \\\n" 2149 " #Bar \\\n" 2150 " }"); 2151 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2152 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2153 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2154 2155 Tokens = annotate("#define Foo(Bar) \\\n" 2156 " { #Bar }"); 2157 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2158 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2159 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2160 2161 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2162 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2163 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2164 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2165 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2166 } 2167 2168 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2169 // '__attribute__' has special handling. 2170 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2171 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2172 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2173 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2174 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2175 2176 // Generic macro has no special handling in this location. 2177 Tokens = annotate("A(X) void Foo(void);"); 2178 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2179 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2180 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2181 2182 // Add a custom AttributeMacro. Test that it has the same behavior. 2183 FormatStyle Style = getLLVMStyle(); 2184 Style.AttributeMacros.push_back("A"); 2185 2186 // An "AttributeMacro" gets annotated like '__attribute__'. 2187 Tokens = annotate("A(X) void Foo(void);", Style); 2188 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2189 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2190 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2191 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2192 } 2193 2194 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2195 // '__attribute__' has special handling. 2196 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2197 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2198 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2199 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2200 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2201 2202 // Generic macro has no special handling in this location. 2203 Tokens = annotate("A(X) @interface Foo"); 2204 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2205 // Note: Don't check token-type as a random token in this position is hard to 2206 // reason about. 2207 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2208 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2209 2210 // Add a custom AttributeMacro. Test that it has the same behavior. 2211 FormatStyle Style = getLLVMStyle(); 2212 Style.AttributeMacros.push_back("A"); 2213 2214 // An "AttributeMacro" gets annotated like '__attribute__'. 2215 Tokens = annotate("A(X) @interface Foo", Style); 2216 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2217 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2218 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2219 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2220 } 2221 2222 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2223 // '__attribute__' has special handling. 2224 auto Tokens = annotate("- (id)init __attribute__((X));"); 2225 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2226 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2227 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2228 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2229 2230 // Generic macro has no special handling in this location. 2231 Tokens = annotate("- (id)init A(X);"); 2232 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2233 // Note: Don't check token-type as a random token in this position is hard to 2234 // reason about. 2235 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2236 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2237 2238 // Add a custom AttributeMacro. Test that it has the same behavior. 2239 FormatStyle Style = getLLVMStyle(); 2240 Style.AttributeMacros.push_back("A"); 2241 2242 // An "AttributeMacro" gets annotated like '__attribute__'. 2243 Tokens = annotate("- (id)init A(X);", Style); 2244 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2245 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2246 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2247 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2248 } 2249 2250 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2251 // '__attribute__' has special handling. 2252 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2253 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2254 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2255 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2256 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2257 2258 // Generic macro has no special handling in this location. 2259 Tokens = annotate("@property(weak) id delegate A(X);"); 2260 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2261 // Note: Don't check token-type as a random token in this position is hard to 2262 // reason about. 2263 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2264 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2265 2266 // Add a custom AttributeMacro. Test that it has the same behavior. 2267 FormatStyle Style = getLLVMStyle(); 2268 Style.AttributeMacros.push_back("A"); 2269 2270 // An "AttributeMacro" gets annotated like '__attribute__'. 2271 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2272 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2273 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2274 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2275 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2276 } 2277 2278 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2279 auto Annotate = [this](StringRef Code) { 2280 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2281 }; 2282 // Test that unary operators get labeled as such and that operators like '++' 2283 // don't get split. 2284 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2285 tok::tilde, tok::amp, tok::pipe, 2286 tok::caret, tok::plusplus, tok::minusminus}; 2287 for (auto Kind : Unary) { 2288 auto Tokens = 2289 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2290 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2291 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2292 } 2293 // Operators formed by joining two operators like '^~'. For some of these 2294 // joined operators, we don't have a separate type, so we only test for their 2295 // precedence. 2296 std::pair<prec::Level, std::string> JoinedBinary[] = { 2297 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2298 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2299 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2300 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2301 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2302 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2303 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2304 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2305 {prec::Equality, "!="}, {prec::Equality, "==="}, 2306 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2307 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2308 {prec::ExclusiveOr, "^~"}, 2309 }; 2310 for (auto Operator : JoinedBinary) { 2311 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2312 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2313 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2314 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2315 } 2316 // '~^' and '^~' can be unary as well as binary operators. 2317 auto Tokens = Annotate("x = ~^x;"); 2318 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2319 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2320 Tokens = Annotate("x = ^~x;"); 2321 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2322 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2323 // The unary operators '~&' and '~|' can only be unary operators. The current 2324 // implementation treats each of them as separate unary '~' and '&' or '|' 2325 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2326 // there is a test that there is no space in between. And even if a new line 2327 // is inserted between the '~' and '|', the semantic meaning is the same as 2328 // the joined operator, so the CanBreakBefore property doesn't need to be 2329 // false for the second operator. 2330 Tokens = Annotate("x = ~&x;"); 2331 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2332 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2333 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2334 Tokens = Annotate("x = ~|x;"); 2335 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2336 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2337 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2338 // Test for block label colons. 2339 Tokens = Annotate("begin : x\n" 2340 "end : x"); 2341 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2342 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2343 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2344 // Test that the dimension colon is annotated correctly. 2345 Tokens = Annotate("var [1 : 0] x;"); 2346 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2347 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2348 Tokens = Annotate("extern function [1 : 0] x;"); 2349 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2350 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2351 Tokens = Annotate("module test\n" 2352 " (input wire [7 : 0] a[7 : 0]);\n" 2353 "endmodule"); 2354 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2355 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2356 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2357 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2358 // Test case labels and ternary operators. 2359 Tokens = Annotate("case (x)\n" 2360 " x:\n" 2361 " x;\n" 2362 "endcase"); 2363 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2364 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2365 Tokens = Annotate("case (x)\n" 2366 " x ? x : x:\n" 2367 " x;\n" 2368 "endcase"); 2369 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2370 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2371 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2372 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2373 // Non-blocking assignments. 2374 Tokens = Annotate("a <= b;"); 2375 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2376 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2377 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2378 Tokens = Annotate("if (a <= b) break;"); 2379 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2380 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2381 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2382 Tokens = Annotate("a <= b <= a;"); 2383 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2384 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2385 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2386 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2387 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2388 2389 // Port lists in module instantiation. 2390 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2391 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2392 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2393 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2394 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2395 "instance_2(port_2);"); 2396 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2397 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2398 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2399 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2400 2401 // Condition parentheses. 2402 Tokens = Annotate("assert (x);"); 2403 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2404 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2405 Tokens = Annotate("assert #0 (x);"); 2406 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2407 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2408 Tokens = Annotate("assert final (x);"); 2409 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2410 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2411 Tokens = Annotate("foreach (x[x]) continue;"); 2412 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2413 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2414 Tokens = Annotate("repeat (x[x]) continue;"); 2415 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2416 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2417 Tokens = Annotate("case (x) endcase;"); 2418 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2419 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2420 2421 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2422 // future, please adapt if those tokens get annotated. This test is only here 2423 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2424 Tokens = Annotate("always @(posedge x, posedge y);"); 2425 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2426 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2427 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2428 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2429 2430 // String literals in concatenation. 2431 Tokens = Annotate("x = {\"\"};"); 2432 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2433 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2434 Tokens = Annotate("x = {\"\", \"\"};"); 2435 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2436 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2437 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2438 Tokens = Annotate("x = '{{\"\"}};"); 2439 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2440 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2441 // Cases where the string should not be annotated that type. Fix the 2442 // `TT_Unknown` if needed in the future. 2443 Tokens = Annotate("x = {\"\" == \"\"};"); 2444 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2445 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2446 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2447 Tokens = Annotate("x = {(\"\")};"); 2448 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2449 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2450 Tokens = Annotate("x = '{\"\"};"); 2451 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2452 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2453 } 2454 2455 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2456 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2457 ASSERT_TRUE(Style.isTableGen()); 2458 2459 TestLexer Lexer(Allocator, Buffers, Style); 2460 AdditionalKeywords Keywords(Lexer.IdentTable); 2461 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2462 2463 // Additional keywords representation test. 2464 auto Tokens = Annotate("def foo : Bar<1>;"); 2465 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2466 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2467 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2468 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2469 2470 // Code, the multiline string token. 2471 Tokens = Annotate("[{ code is multiline string }]"); 2472 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2473 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2474 EXPECT_FALSE(Tokens[0]->IsMultiline); 2475 // Case with multiple lines. 2476 Tokens = Annotate("[{ It can break\n" 2477 " across lines and the line breaks\n" 2478 " are retained in \n" 2479 " the string. }]"); 2480 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2481 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2482 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2483 EXPECT_TRUE(Tokens[0]->IsMultiline); 2484 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2485 2486 // Numeric literals. 2487 Tokens = Annotate("1234"); 2488 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2489 Tokens = Annotate("-1"); 2490 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2491 Tokens = Annotate("+1234"); 2492 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2493 Tokens = Annotate("0b0110"); 2494 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2495 Tokens = Annotate("0x1abC"); 2496 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2497 2498 // Identifier tokens. In TableGen, identifiers can begin with a number. 2499 // In ambiguous cases, the lexer tries to lex it as a number. 2500 // Even if the try fails, it does not fall back to identifier lexing and 2501 // regard as an error. 2502 // The ambiguity is not documented. The result of those tests are based on the 2503 // implementation of llvm::TGLexer::LexToken. 2504 // This is invalid syntax of number, but not an identifier. 2505 Tokens = Annotate("0x1234x"); 2506 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2507 Tokens = Annotate("identifier"); 2508 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2509 // Identifier beginning with a number. 2510 Tokens = Annotate("0x"); 2511 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2512 Tokens = Annotate("2dVector"); 2513 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2514 Tokens = Annotate("01234Vector"); 2515 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2516 2517 // Structured statements. 2518 Tokens = Annotate("class Foo {}"); 2519 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2520 Tokens = Annotate("def Def: Foo {}"); 2521 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2522 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2523 Tokens = Annotate("if cond then {} else {}"); 2524 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2525 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2526 Tokens = Annotate("defset Foo Def2 = {}"); 2527 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2528 2529 // Bang Operators. 2530 Tokens = Annotate("!foreach"); 2531 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2532 Tokens = Annotate("!if"); 2533 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2534 Tokens = Annotate("!cond"); 2535 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2536 2537 auto AnnotateValue = [this, &Style](StringRef Code) { 2538 // Values are annotated only in specific context. 2539 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2540 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2541 }; 2542 // Both of bang/cond operators. 2543 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2544 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2545 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2546 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2547 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2548 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2549 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2550 // DAGArg values with operator identifier 2551 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2552 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2553 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2554 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2555 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2556 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2557 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2558 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2559 // List literal 2560 Tokens = AnnotateValue("[1, 2, 3]"); 2561 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2562 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2563 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2564 // Suffixes of values 2565 Tokens = AnnotateValue("valid.field"); 2566 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2567 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2568 // Code 2569 Tokens = AnnotateValue("[{ code is multiline string }]"); 2570 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2571 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2572 2573 // The definition 2574 Tokens = annotate("def Def : Parent<Child> {}", Style); 2575 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2576 // We use inheritance colon and function brace. They are enough. 2577 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2578 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2579 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2580 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2581 2582 // DAGArg breaking options. They use different token types depending on what 2583 // is specified. 2584 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2585 2586 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2587 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2588 // elements to have line break. 2589 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2590 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2591 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2592 EXPECT_TOKEN(Tokens[1], tok::identifier, 2593 TT_TableGenDAGArgOperatorID); // ins 2594 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2595 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2596 2597 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2598 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2599 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2600 EXPECT_TOKEN(Tokens[1], tok::identifier, 2601 TT_TableGenDAGArgOperatorID); // other 2602 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2603 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2604 2605 // For non-identifier operators, breaks after the operator. 2606 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2607 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2608 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2609 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2610 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2611 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2612 2613 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2614 2615 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2616 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2617 // to have line break inside it. 2618 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2619 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2620 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2621 EXPECT_TOKEN(Tokens[1], tok::identifier, 2622 TT_TableGenDAGArgOperatorToBreak); // ins 2623 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2624 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2625 2626 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2627 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2628 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2629 EXPECT_TOKEN(Tokens[1], tok::identifier, 2630 TT_TableGenDAGArgOperatorToBreak); // other 2631 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2632 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2633 2634 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2635 // specified operators. 2636 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2637 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2638 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2639 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2640 EXPECT_TOKEN(Tokens[1], tok::identifier, 2641 TT_TableGenDAGArgOperatorToBreak); // ins 2642 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2643 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2644 2645 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2646 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2647 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2648 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2649 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2650 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2651 2652 // If TableGenBreakingDAGArgOperators is enabled, it uses 2653 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2654 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2655 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2656 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2657 EXPECT_TOKEN(Tokens[1], tok::identifier, 2658 TT_TableGenDAGArgOperatorToBreak); // ins 2659 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2660 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2661 2662 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2663 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2664 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2665 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2666 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2667 } 2668 2669 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2670 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2671 2672 // The TT_Unknown is clearly not binding for the future, please adapt if those 2673 // tokens get annotated. 2674 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2675 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2676 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2677 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2678 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2679 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2680 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2681 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2682 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2683 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2684 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2685 2686 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2687 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2688 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2689 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2690 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2691 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2692 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2693 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2694 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2695 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2696 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2697 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2698 2699 Tokens = annotate("class Class {\n" 2700 " Class() : BaseClass() {\n" 2701 "#if 0\n" 2702 " // comment\n" 2703 "#endif\n" 2704 " }\n" 2705 " Class f();\n" 2706 "}"); 2707 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2708 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2709 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2710 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2711 } 2712 2713 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2714 auto Tokens = annotate("if (x) {}"); 2715 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2716 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2717 Tokens = annotate("if constexpr (x) {}"); 2718 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2719 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2720 Tokens = annotate("if CONSTEXPR (x) {}"); 2721 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2722 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2723 Tokens = annotate("if (x) {} else if (x) {}"); 2724 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2725 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2726 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2727 } 2728 2729 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2730 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2731 2732 auto Tokens = annotate("int? a;", Style); 2733 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2734 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2735 2736 Tokens = annotate("int? a = 1;", Style); 2737 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2738 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2739 2740 Tokens = annotate("int?)", Style); 2741 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2742 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2743 2744 Tokens = annotate("int?>", Style); 2745 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2746 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2747 2748 Tokens = annotate("cond? id : id2", Style); 2749 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2750 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2751 2752 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2753 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2754 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2755 } 2756 2757 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2758 auto Tokens = annotate("{ x: break; }"); 2759 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2760 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2761 2762 Tokens = annotate("{ case x: break; }"); 2763 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2764 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2765 2766 Tokens = annotate("{ x: { break; } }"); 2767 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2768 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2769 2770 Tokens = annotate("{ case x: { break; } }"); 2771 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2772 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2773 2774 Tokens = annotate("#define FOO label:"); 2775 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2776 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2777 2778 Tokens = annotate("#define FOO \\\n" 2779 "label: \\\n" 2780 " break;"); 2781 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2782 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2783 } 2784 2785 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2786 // The closing braces are not annotated. It doesn't seem to cause a problem. 2787 // So we only test for the opening braces. 2788 auto Tokens = annotate("{\n" 2789 " {\n" 2790 " { int a = 0; }\n" 2791 " }\n" 2792 " {}\n" 2793 "}"); 2794 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2795 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2796 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2797 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2798 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2799 } 2800 2801 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2802 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2803 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2804 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2805 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2806 2807 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2808 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2809 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2810 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2811 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2812 2813 Tokens = annotate("SomeStruct {\n" 2814 "#ifdef FOO\n" 2815 " .a = 1,\n" 2816 "#endif\n" 2817 " .b = 2\n" 2818 "};"); 2819 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2820 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2821 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2822 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2823 2824 Tokens = annotate("SomeStruct {\n" 2825 "#if defined FOO\n" 2826 " .a = 1,\n" 2827 "#endif\n" 2828 " .b = 2\n" 2829 "};"); 2830 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2831 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2832 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2833 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2834 2835 Tokens = annotate("Foo foo[] = {[0]{}};"); 2836 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2837 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2838 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2839 } 2840 2841 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2842 auto Annotate = [this](StringRef Code) { 2843 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2844 }; 2845 2846 // Dictionary. 2847 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2848 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2849 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2850 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2851 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2852 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2853 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2854 // Change when we need to annotate these. 2855 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2856 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2857 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2858 } 2859 2860 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2861 auto Tokens = annotate("bool foo __attribute__((unused));"); 2862 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2863 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2864 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2865 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2866 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2867 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2868 2869 Tokens = annotate("bool foo __declspec(dllimport);"); 2870 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2871 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2872 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2873 2874 Tokens = annotate("bool __attribute__((unused)) foo;"); 2875 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2876 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2877 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2878 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2879 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2880 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2881 2882 Tokens = annotate("void __attribute__((x)) Foo();"); 2883 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2884 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2885 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2886 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2887 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2888 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2889 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2890 2891 FormatStyle Style = getLLVMStyle(); 2892 Style.AttributeMacros.push_back("FOO"); 2893 Tokens = annotate("bool foo FOO(unused);", Style); 2894 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2895 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2896 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2897 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2898 } 2899 2900 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2901 auto Tokens = annotate("while (true) {}"); 2902 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2903 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2904 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2905 2906 Tokens = annotate("for (;;) {}"); 2907 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2908 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2909 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2910 2911 Tokens = annotate("do {} while (true);"); 2912 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2913 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2914 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2915 2916 Tokens = annotate("if (true) {} else if (false) {} else {}"); 2917 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2918 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2919 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2920 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 2921 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 2922 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 2923 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 2924 2925 Tokens = annotate("switch (foo) {}"); 2926 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2927 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2928 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2929 } 2930 2931 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 2932 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 2933 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2934 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 2935 2936 Tokens = annotate("do ++i; while ( i > 5 );"); 2937 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2938 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 2939 } 2940 2941 TEST_F(TokenAnnotatorTest, StartOfName) { 2942 auto Tokens = annotate("#pragma clang diagnostic push"); 2943 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2944 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2945 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2946 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2947 2948 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 2949 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2950 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2951 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2952 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 2953 2954 Tokens = annotate("#define FOO Foo foo"); 2955 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2956 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 2957 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2958 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 2959 2960 Tokens = annotate("@interface NSCoder (TestCoder)"); 2961 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2962 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 2963 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 2964 2965 auto Style = getLLVMStyle(); 2966 Style.StatementAttributeLikeMacros.push_back("emit"); 2967 Tokens = annotate("emit foo = 0;", Style); 2968 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2969 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2970 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 2971 } 2972 2973 TEST_F(TokenAnnotatorTest, BraceKind) { 2974 auto Tokens = annotate("void f() {};"); 2975 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2976 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2977 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2978 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2979 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 2980 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 2981 2982 Tokens = annotate("class Foo<int> f() {}"); 2983 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2984 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 2985 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2986 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 2987 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 2988 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 2989 2990 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 2991 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2992 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 2993 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2994 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2995 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2996 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 2997 2998 Tokens = annotate("void f() override {};"); 2999 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3000 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3001 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3002 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3003 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3004 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3005 3006 Tokens = annotate("void f() noexcept(false) {};"); 3007 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3008 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3009 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3010 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3011 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3012 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3013 3014 Tokens = annotate("auto f() -> void {};"); 3015 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3016 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3017 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3018 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3019 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3020 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3021 3022 Tokens = annotate("void f() { /**/ };"); 3023 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3024 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3025 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3026 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3027 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3028 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3029 3030 Tokens = annotate("void f() { //\n" 3031 "};"); 3032 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3033 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3034 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3035 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3036 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3037 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3038 3039 Tokens = annotate("void f() {\n" 3040 " //\n" 3041 "};"); 3042 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3043 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3044 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3045 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3046 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3047 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3048 3049 Tokens = annotate("struct Foo {\n" 3050 " Foo() {};\n" 3051 " ~Foo() {};\n" 3052 "};"); 3053 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3054 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3055 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3056 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3057 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3058 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3059 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3060 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3061 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3062 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3063 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3064 3065 Tokens = annotate("{\n" 3066 " char *a[] = {\n" 3067 " /* abc */ \"abc\",\n" 3068 "#if FOO\n" 3069 " /* xyz */ \"xyz\",\n" 3070 "#endif\n" 3071 " /* last */ \"last\"};\n" 3072 "}"); 3073 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3074 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3075 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3076 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3077 3078 Tokens = 3079 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3080 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3081 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3082 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3083 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3084 3085 Tokens = annotate("struct {};"); 3086 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3087 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3088 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3089 3090 Tokens = annotate("struct : Base {};"); 3091 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3092 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3093 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3094 3095 Tokens = annotate("struct Foo {};"); 3096 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3097 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3098 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3099 3100 Tokens = annotate("struct ::Foo {};"); 3101 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3102 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3103 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3104 3105 Tokens = annotate("struct NS::Foo {};"); 3106 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3107 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3108 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3109 3110 Tokens = annotate("struct Foo<int> {};"); 3111 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3112 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3113 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3114 3115 Tokens = annotate("struct Foo<int>::Bar {};"); 3116 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3117 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3118 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3119 3120 Tokens = annotate("struct Foo<int> : Base {};"); 3121 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3122 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3123 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3124 3125 Tokens = annotate("struct Foo final {};"); 3126 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3127 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3128 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3129 3130 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3131 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3132 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3133 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3134 3135 Tokens = annotate("struct Foo x{};"); 3136 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3137 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3138 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3139 3140 Tokens = annotate("struct ::Foo x{};"); 3141 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3142 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3143 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3144 3145 Tokens = annotate("struct NS::Foo x{};"); 3146 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3147 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3148 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3149 3150 Tokens = annotate("struct Foo<int> x{};"); 3151 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3152 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3153 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3154 3155 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3156 "#else\n" 3157 "#endif\n" 3158 "class RenderingServer : Object {\n" 3159 "#ifndef DISABLE_DEPRECATED\n" 3160 " enum Features {\n" 3161 " FEATURE_SHADERS,\n" 3162 " FEATURE_MULTITHREADED,\n" 3163 " };\n" 3164 "#endif\n" 3165 "};"); 3166 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3167 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3168 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3169 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3170 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3171 } 3172 3173 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3174 auto Tokens = annotate("auto foo() -> enum En {}"); 3175 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3176 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3177 } 3178 3179 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3180 auto Tokens = annotate("{\n" 3181 " {\n" 3182 " foo();\n" 3183 " }\n" 3184 "}"); 3185 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3186 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3187 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3188 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3189 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3190 3191 Tokens = annotate("void bar() {\n" 3192 " {\n" 3193 " foo();\n" 3194 " }\n" 3195 "}"); 3196 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3197 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3198 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3199 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3200 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3201 } 3202 3203 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3204 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3205 auto Tokens = annotate("i = switch (day) {\n" 3206 " case THURSDAY, SATURDAY -> 8;\n" 3207 " case WEDNESDAY -> 9;\n" 3208 " default -> 1;\n" 3209 "};", 3210 Style); 3211 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3212 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3213 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3214 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3215 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3216 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3217 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3218 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3219 } 3220 3221 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3222 auto Tokens = annotate("a = b and c;"); 3223 ASSERT_EQ(Tokens.size(), 7u); 3224 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3225 3226 Tokens = annotate("a = b and_eq c;"); 3227 ASSERT_EQ(Tokens.size(), 7u); 3228 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3229 3230 Tokens = annotate("a = b bitand c;"); 3231 ASSERT_EQ(Tokens.size(), 7u); 3232 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3233 3234 Tokens = annotate("a = b bitor c;"); 3235 ASSERT_EQ(Tokens.size(), 7u); 3236 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3237 3238 Tokens = annotate("a = b compl c;"); 3239 ASSERT_EQ(Tokens.size(), 7u); 3240 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3241 3242 Tokens = annotate("a = b not c;"); 3243 ASSERT_EQ(Tokens.size(), 7u); 3244 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3245 3246 Tokens = annotate("a = b not_eq c;"); 3247 ASSERT_EQ(Tokens.size(), 7u); 3248 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3249 3250 Tokens = annotate("a = b or c;"); 3251 ASSERT_EQ(Tokens.size(), 7u); 3252 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3253 3254 Tokens = annotate("a = b or_eq c;"); 3255 ASSERT_EQ(Tokens.size(), 7u); 3256 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3257 3258 Tokens = annotate("a = b xor c;"); 3259 ASSERT_EQ(Tokens.size(), 7u); 3260 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3261 3262 Tokens = annotate("a = b xor_eq c;"); 3263 ASSERT_EQ(Tokens.size(), 7u); 3264 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3265 3266 Tokens = annotate("xor = foo;"); 3267 ASSERT_EQ(Tokens.size(), 5u); 3268 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3269 3270 Tokens = annotate("int xor = foo;"); 3271 ASSERT_EQ(Tokens.size(), 6u); 3272 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3273 } 3274 3275 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3276 auto Tokens = 3277 annotate("Foo::Foo(int x, int y) try\n" 3278 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3279 "} catch (...) {\n" 3280 "}"); 3281 ASSERT_EQ(Tokens.size(), 45u); 3282 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3283 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3284 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3285 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3286 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_TrailingReturnArrow); 3287 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3288 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3289 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3290 } 3291 3292 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3293 auto Style = getLLVMStyle(); 3294 Style.TypenameMacros.push_back("STRUCT"); 3295 3296 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3297 ASSERT_EQ(Tokens.size(), 13u); 3298 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3299 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3300 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3301 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3302 } 3303 3304 } // namespace 3305 } // namespace format 3306 } // namespace clang 3307