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_SPLIT_PENALTY(FormatTok, Penalty) \ 46 EXPECT_EQ(FormatTok->SplitPenalty, Penalty) << *(FormatTok) 47 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 48 do { \ 49 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 50 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 51 } while (false) 52 53 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 54 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 55 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 56 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 57 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 59 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 60 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 61 62 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 63 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 64 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 65 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 66 67 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 68 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 69 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 70 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 72 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 73 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 74 75 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 76 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 77 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 78 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 79 80 Tokens = annotate("void f() {\n" 81 " while (p < a && *p == 'a')\n" 82 " p++;\n" 83 "}"); 84 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 85 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 86 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 87 88 Tokens = annotate("case *x:"); 89 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 90 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 91 Tokens = annotate("case &x:"); 92 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 93 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 94 95 Tokens = annotate("bool b = 3 == int{3} && true;"); 96 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 97 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 98 99 Tokens = annotate("struct {\n" 100 "} *ptr;"); 101 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 102 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 103 Tokens = annotate("union {\n" 104 "} *ptr;"); 105 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 106 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 107 Tokens = annotate("class {\n" 108 "} *ptr;"); 109 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 110 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 111 112 Tokens = annotate("struct {\n" 113 "} &&ptr = {};"); 114 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 115 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 116 Tokens = annotate("union {\n" 117 "} &&ptr = {};"); 118 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 119 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 120 Tokens = annotate("class {\n" 121 "} &&ptr = {};"); 122 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 123 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 124 Tokens = annotate("int i = int{42} * 2;"); 125 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 126 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 127 128 Tokens = annotate("delete[] *ptr;"); 129 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 130 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 131 Tokens = annotate("delete[] **ptr;"); 132 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 133 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 134 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 135 Tokens = annotate("delete[] *(ptr);"); 136 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 137 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 138 139 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 141 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 142 // FIXME: The star of a function pointer probably makes more sense as 143 // TT_PointerOrReference. 144 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 145 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 146 147 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 148 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 149 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 150 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 151 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 152 153 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 154 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 155 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 156 157 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 158 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 159 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 160 161 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 162 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 163 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 164 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 165 166 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 167 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 168 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 169 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 170 171 Tokens = annotate("Type1 &val1 = val2;"); 172 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 173 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 174 175 Tokens = annotate("Type1 *val1 = &val2;"); 176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 177 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 178 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 179 180 Tokens = annotate("val1 & val2;"); 181 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 182 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 183 184 Tokens = annotate("val1 & val2.member;"); 185 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 186 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 187 188 Tokens = annotate("val1 & val2.*member;"); 189 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 190 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 191 192 Tokens = annotate("val1.*member & val2;"); 193 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 194 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 195 196 Tokens = annotate("val1 & val2->*member;"); 197 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 198 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 199 200 Tokens = annotate("val1->member & val2;"); 201 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 202 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 203 204 Tokens = annotate("val1 & val2 & val3;"); 205 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 206 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 207 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 208 209 Tokens = annotate("val1 & val2 // comment\n" 210 " & val3;"); 211 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 212 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 213 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 214 215 Tokens = 216 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 217 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 218 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 220 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 221 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 222 223 Tokens = annotate("class c {\n" 224 " void func(type &a) { a & member; }\n" 225 " anotherType &member;\n" 226 "}"); 227 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 228 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 229 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 230 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 231 232 Tokens = annotate("struct S {\n" 233 " auto Mem = C & D;\n" 234 "}"); 235 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 236 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 237 238 Tokens = 239 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 240 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 241 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 242 243 Tokens = annotate("template <typename T> struct S {\n" 244 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 245 "};"); 246 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 247 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 248 249 Tokens = annotate("template <bool B = C && D> struct S {};"); 250 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 251 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 252 253 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 254 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 255 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 256 257 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 258 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 259 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 260 261 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 262 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 263 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 264 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 265 266 Tokens = annotate("Foo<A && B> a = {};"); 267 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 268 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 269 270 Tokens = annotate("Foo<A &&> a = {};"); 271 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 272 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 273 274 Tokens = annotate("template <typename T>\n" 275 "enable_if_t<is_integral_v<T>, bool> // comment\n" 276 "operator~(T &a);"); 277 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 278 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 279 280 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 281 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 282 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 283 284 Tokens = 285 annotate("auto foo() noexcept(noexcept(bar()) && " 286 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 287 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 288 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 289 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 290 291 Tokens = annotate("foo = *i < *j && *j > *k;"); 292 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 293 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 294 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 295 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 296 297 FormatStyle Style = getLLVMStyle(); 298 Style.TypeNames.push_back("MYI"); 299 Tokens = annotate("if (MYI *p{nullptr})", Style); 300 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 301 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 302 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 303 304 Style.TypeNames.push_back("Class"); 305 Tokens = annotate("if (Class *obj {getObj()})", Style); 306 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 307 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 308 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 309 310 Tokens = annotate("class Foo {\n" 311 " void operator<() {}\n" 312 " Foo &f;\n" 313 "};"); 314 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 315 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 316 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 317 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 318 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 319 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 320 321 Tokens = annotate("if (new && num) {\n" 322 " new = 1;\n" 323 "}\n" 324 "if (!delete && num) {\n" 325 " delete = 1;\n" 326 "}"); 327 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 328 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 329 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 330 331 Tokens = annotate("#define FOO \\\n" 332 " void foo() { f(a * b); }"); 333 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 334 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 335 336 Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };"); 337 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 338 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 339 340 Tokens = annotate("namespace {\n" 341 "#define FOO(x) void foo(a##x *b);\n" 342 "}"); 343 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 344 EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference); 345 } 346 347 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 348 auto Tokens = annotate("x - 0"); 349 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 350 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 351 Tokens = annotate("0 + 0"); 352 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 353 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 354 Tokens = annotate("x + +0"); 355 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 356 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 357 Tokens = annotate("x ? -0 : +0"); 358 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 359 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 360 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 361 Tokens = annotate("(-0)"); 362 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 363 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 364 Tokens = annotate("0, -0"); 365 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 366 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 367 Tokens = annotate("for (; -1;) {\n}"); 368 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 369 EXPECT_TOKEN(Tokens[3], 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(), 6u) << Tokens; 375 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 376 Tokens = annotate("x = {-1};"); 377 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 378 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 379 Tokens = annotate("case -x:"); 380 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 381 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 382 Tokens = annotate("co_await -x;"); 383 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 384 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 385 Tokens = annotate("co_return -x;"); 386 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 387 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 388 Tokens = annotate("co_yield -x;"); 389 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 390 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 391 Tokens = annotate("delete -x;"); 392 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 393 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 394 Tokens = annotate("return -x;"); 395 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 397 Tokens = annotate("throw -x;"); 398 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 399 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 400 Tokens = annotate("sizeof -x"); 401 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 402 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 403 Tokens = annotate("co_await +x;"); 404 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 405 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 406 Tokens = annotate("co_return +x;"); 407 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 408 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 409 Tokens = annotate("co_yield +x;"); 410 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 411 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 412 Tokens = annotate("delete +x;"); 413 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 414 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 415 Tokens = annotate("return +x;"); 416 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 417 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 418 Tokens = annotate("throw +x;"); 419 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 420 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 421 Tokens = annotate("sizeof +x"); 422 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 423 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 424 Tokens = annotate("(int)-x"); 425 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 426 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 427 Tokens = annotate("(-x)"); 428 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 429 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 430 Tokens = annotate("!+x"); 431 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 432 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 433 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 434 } 435 436 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 437 auto Tokens = annotate("class C {};"); 438 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 439 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 440 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 441 442 Tokens = annotate("const class C {} c;"); 443 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 444 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 445 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 446 447 Tokens = annotate("const class {} c;"); 448 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 449 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 450 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 451 452 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 453 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 454 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 455 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 456 } 457 458 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 459 auto Tokens = annotate("struct S {};"); 460 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 461 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 462 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 463 464 Tokens = annotate("struct macro(a) S {};"); 465 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 466 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 467 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 468 469 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 470 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 471 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 472 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 473 474 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 475 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 476 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 477 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 478 479 Tokens = annotate("struct macro(a) S {\n" 480 " void f(T &t);\n" 481 "};"); 482 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 483 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 484 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 485 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 486 487 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 488 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 489 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 490 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 491 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 492 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 493 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 494 495 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 496 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 497 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 498 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 499 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 500 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 501 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 502 503 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 504 " void f(T const (&a)[n]);\n" 505 "};"); 506 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 507 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 508 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 509 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 510 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 511 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 512 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 513 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 514 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 515 516 Tokens = annotate("template <typename T, enum E e> struct S {};"); 517 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 518 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 519 520 auto Style = getLLVMStyle(); 521 Style.AttributeMacros.push_back("EXPORT"); 522 Tokens = annotate("struct EXPORT StructName {};", Style); 523 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 524 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 525 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 526 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 527 } 528 529 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 530 auto Tokens = annotate("union U {};"); 531 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 532 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 533 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 534 535 Tokens = annotate("union U { void f() { return; } };"); 536 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 537 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 538 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 539 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 540 } 541 542 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 543 auto Tokens = annotate("enum E {};"); 544 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 545 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 546 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 547 } 548 549 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 550 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 551 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 552 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 553 554 Tokens = annotate("template <typename T> void F(T) && = delete;"); 555 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 556 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 557 } 558 559 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 560 auto Tokens = 561 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 562 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 563 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 564 } 565 566 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 567 auto Tokens = 568 annotate("template <typename T> " 569 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 570 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 571 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 572 } 573 574 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 575 auto Tokens = 576 annotate("#define FOO(typeName) \\\n" 577 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 578 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 579 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 580 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 581 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 582 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 583 } 584 585 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 586 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 587 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 588 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 589 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 590 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 591 } 592 593 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 594 // IsExpression = false 595 auto Tokens = annotate("foo<true ? 1 : 2>();"); 596 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 597 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 598 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 599 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 600 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 601 602 // IsExpression = true 603 604 Tokens = annotate("return foo<true ? 1 : 2>();"); 605 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 606 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 607 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 608 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 609 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 610 611 Tokens = annotate("return foo<true ? 1 : 2>{};"); 612 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 613 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 614 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 615 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 616 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 617 } 618 619 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 620 auto Tokens = annotate("return a < b && c > d;"); 621 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 622 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 623 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 624 625 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 626 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 627 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 628 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 629 630 Tokens = annotate("return A < B ? true : A > B;"); 631 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 632 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 633 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 634 635 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 636 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 637 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 638 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 639 640 Tokens = annotate("return checklower ? a < b : a > b;"); 641 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 642 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 643 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 644 645 Tokens = annotate("return A < B ^ A > B;"); 646 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 647 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 648 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 649 650 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 651 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 652 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 653 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 654 } 655 656 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 657 auto Tokens = annotate("template <template <typename...> typename X,\n" 658 " template <typename...> class Y,\n" 659 " typename... T>\n" 660 "class A {};"); 661 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 662 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 663 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 664 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 665 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 666 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 667 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 668 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 669 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 670 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 671 } 672 673 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 674 FormatStyle Style = getLLVMStyle(); 675 Style.WhitespaceSensitiveMacros.push_back("FOO"); 676 677 auto Tokens = annotate("FOO(1+2 )", Style); 678 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 679 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 680 681 Tokens = annotate("FOO(a:b:c)", Style); 682 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 683 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 684 } 685 686 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 687 auto Tokens = annotate("delete (void *)p;"); 688 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 689 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 690 691 Tokens = annotate("delete[] (void *)p;"); 692 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 693 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 694 695 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 696 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 697 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 698 699 Tokens = annotate("delete[/*comment*/] (void *)p;"); 700 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 701 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 702 703 Tokens = annotate("delete/*comment*/[] (void *)p;"); 704 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 705 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 706 } 707 708 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 709 auto Tokens = annotate("(void)p;"); 710 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 711 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 712 713 Tokens = annotate("(uint32_t)&&label;"); 714 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 715 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 716 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 717 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 718 719 Tokens = annotate("auto x = (Foo)p;"); 720 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 721 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 722 723 Tokens = annotate("(std::vector<int>)p;"); 724 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 725 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 726 727 Tokens = annotate("return (Foo)p;"); 728 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 729 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 730 731 Tokens = annotate("throw (Foo)p;"); 732 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 733 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 734 735 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 736 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 737 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 738 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 739 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 740 741 Tokens = annotate("#define foo(i) ((i) - bar)"); 742 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 743 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 744 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 745 746 Tokens = annotate("return (Foo) & 10;"); 747 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 748 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 749 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 750 751 Tokens = annotate("return (struct foo){};"); 752 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 753 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 754 755 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 756 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 757 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 758 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 759 760 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 761 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 762 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 763 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 764 765 Tokens = annotate("func((void (*)())&a);"); 766 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 767 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 768 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 769 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 770 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 771 772 Tokens = annotate("int result = ((int)a) - b;"); 773 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 774 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 775 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 776 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 777 778 Tokens = annotate("return (double)(foo(30)) - 15;"); 779 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 780 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 781 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 782 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 783 784 auto Style = getLLVMStyle(); 785 Style.TypeNames.push_back("Foo"); 786 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 787 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 788 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 789 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 790 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 791 } 792 793 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 794 auto Tokens = annotate("void f() throw(int);"); 795 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 796 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 797 } 798 799 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 800 auto Tokens = annotate("void f() &;"); 801 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 802 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 803 804 Tokens = annotate("void operator=(T) &&;"); 805 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 806 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 807 808 Tokens = annotate("template <typename T> void f() &;"); 809 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 810 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 811 812 Tokens = annotate("template <typename T> void operator=(T) &;"); 813 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 814 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 815 } 816 817 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 818 auto Tokens = annotate("x.operator+()"); 819 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 820 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 821 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 822 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 823 Tokens = annotate("x.operator=()"); 824 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 825 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 826 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 827 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 828 Tokens = annotate("x.operator+=()"); 829 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 830 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 831 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 832 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 833 Tokens = annotate("x.operator,()"); 834 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 835 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 836 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 837 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 838 Tokens = annotate("x.operator()()"); 839 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 840 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 841 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 842 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 843 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 844 Tokens = annotate("x.operator[]()"); 845 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 846 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 847 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 848 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 849 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 850 Tokens = annotate("x.operator\"\"_a()"); 851 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 852 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 853 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 854 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 855 Tokens = annotate("x.operator\"\" _a()"); 856 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 857 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 858 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 859 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 860 Tokens = annotate("x.operator\"\"if()"); 861 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 862 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 863 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 864 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 865 Tokens = annotate("x.operator\"\"s()"); 866 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 867 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 868 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 869 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 870 Tokens = annotate("x.operator\"\" s()"); 871 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 872 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 873 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 874 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 875 876 Tokens = annotate("int operator+(int);"); 877 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 878 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 879 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 880 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 881 Tokens = annotate("auto operator=(T&) {}"); 882 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 883 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 884 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 885 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 886 Tokens = annotate("auto operator()() {}"); 887 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 888 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 889 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 890 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 891 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 892 893 Tokens = annotate("class Foo {\n" 894 " int operator+(a* b);\n" 895 "}"); 896 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 897 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 898 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 899 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 900 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 901 902 Tokens = annotate("class Foo {\n" 903 " int c = operator+(a * b);\n" 904 "}"); 905 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 906 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 907 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 908 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 909 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 910 911 Tokens = annotate("void foo() {\n" 912 " operator+(a * b);\n" 913 "}"); 914 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 915 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 916 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 917 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 918 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 919 920 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 921 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 922 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 923 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 924 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 925 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 926 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 927 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 928 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 929 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 930 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 931 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 932 933 Tokens = annotate("class Foo {\n" 934 " void foo() {\n" 935 " operator+(a * b);\n" 936 " }\n" 937 "}"); 938 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 939 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 940 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 941 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 942 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 943 944 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 945 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 946 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 947 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 948 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 949 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 950 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 951 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 952 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 953 954 Tokens = annotate("decltype(auto) operator()(T &x);"); 955 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 956 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 957 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 958 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 959 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 960 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 961 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 962 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 963 } 964 965 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 966 struct { 967 const char *Text; 968 tok::TokenKind Kind; 969 } Operators[] = {{"+", tok::plus}, 970 {"-", tok::minus}, 971 // FIXME: 972 // {"*", tok::star}, 973 {"/", tok::slash}, 974 {"%", tok::percent}, 975 {"^", tok::caret}, 976 // FIXME: 977 // {"&", tok::amp}, 978 {"|", tok::pipe}, 979 {"~", tok::tilde}, 980 {"!", tok::exclaim}, 981 {"=", tok::equal}, 982 // FIXME: 983 // {"<", tok::less}, 984 {">", tok::greater}, 985 {"+=", tok::plusequal}, 986 {"-=", tok::minusequal}, 987 {"*=", tok::starequal}, 988 {"/=", tok::slashequal}, 989 {"%=", tok::percentequal}, 990 {"^=", tok::caretequal}, 991 {"&=", tok::ampequal}, 992 {"|=", tok::pipeequal}, 993 {"<<", tok::lessless}, 994 {">>", tok::greatergreater}, 995 {">>=", tok::greatergreaterequal}, 996 {"<<=", tok::lesslessequal}, 997 {"==", tok::equalequal}, 998 {"!=", tok::exclaimequal}, 999 {"<=", tok::lessequal}, 1000 {">=", tok::greaterequal}, 1001 {"<=>", tok::spaceship}, 1002 {"&&", tok::ampamp}, 1003 {"||", tok::pipepipe}, 1004 {"++", tok::plusplus}, 1005 {"--", tok::minusminus}, 1006 {",", tok::comma}, 1007 {"->*", tok::arrowstar}, 1008 {"->", tok::arrow}}; 1009 1010 for (const auto &Operator : Operators) { 1011 std::string Input("C<&operator"); 1012 Input += Operator.Text; 1013 Input += " > a;"; 1014 auto Tokens = annotate(std::string(Input)); 1015 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1016 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1017 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1018 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1019 } 1020 1021 auto Tokens = annotate("C<&operator< <X>> lt;"); 1022 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1023 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1024 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1025 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1026 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1027 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1028 } 1029 1030 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1031 auto Tokens = annotate("template <typename T>\n" 1032 "concept C = (Foo && Bar) && (Bar && Baz);"); 1033 1034 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1035 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1036 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1037 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1038 1039 Tokens = annotate("template <typename T>\n" 1040 "concept C = Foo && !Bar;"); 1041 1042 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1043 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1044 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1045 1046 Tokens = annotate("template <typename T>\n" 1047 "concept C = requires(T t) {\n" 1048 " { t.foo() };\n" 1049 "} && Bar<T> && Baz<T>;"); 1050 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1051 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1052 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1053 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1054 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1055 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1056 1057 Tokens = annotate("template<typename T>\n" 1058 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1059 "struct Foo;"); 1060 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1061 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1062 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1063 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1064 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1065 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1066 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1067 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1068 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1069 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1070 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1071 1072 Tokens = 1073 annotate("template<typename T>\n" 1074 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1075 "struct Foo;"); 1076 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1077 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1078 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1079 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1080 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1081 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1082 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1083 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1084 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1085 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1086 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1087 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1088 1089 Tokens = annotate("template <typename T>\n" 1090 "void foo(T) noexcept requires Bar<T>;"); 1091 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1092 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1093 1094 Tokens = annotate("template <typename T>\n" 1095 "requires Bar<T> || Baz<T>\n" 1096 "auto foo(T) -> int;"); 1097 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1098 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1099 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1100 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1101 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1102 1103 Tokens = annotate("template <typename T>\n" 1104 "requires Bar<T>\n" 1105 "bool foo(T) { return false; }"); 1106 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1107 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1108 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1109 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1110 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1111 1112 Tokens = annotate("template <typename T>\n" 1113 "requires Bar<T>\n" 1114 "decltype(auto) foo(T) { return false; }"); 1115 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1116 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1117 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1118 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1119 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1120 1121 Tokens = annotate("template <typename T>\n" 1122 "struct S {\n" 1123 " void foo() const requires Bar<T>;\n" 1124 " void bar() const & requires Baz<T>;\n" 1125 " void bar() && requires Baz2<T>;\n" 1126 " void baz() const & noexcept requires Baz<T>;\n" 1127 " void baz() && noexcept requires Baz2<T>;\n" 1128 "};\n" 1129 "\n" 1130 "void S::bar() const & requires Baz<T> { }"); 1131 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1132 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1133 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1134 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1135 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1136 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1137 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1138 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1139 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1140 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1141 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1142 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1143 1144 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1145 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1146 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1147 1148 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1149 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1150 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1151 1152 Tokens = 1153 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1154 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1155 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1156 1157 Tokens = annotate("void Class::member() && requires(typename " 1158 "Namespace::Outer<T>::Inner::Constant) {}"); 1159 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1160 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1161 1162 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1163 " template<class T>\n" 1164 " requires requires { number_zero_v<T>; }\n" 1165 " [[nodiscard]] constexpr operator T() const { " 1166 "return number_zero_v<T>; }\n" 1167 "};"); 1168 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1169 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1170 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1171 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1172 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1173 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1174 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1175 1176 Tokens = 1177 annotate("template <class A, class B> concept C =" 1178 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1179 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1180 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1181 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1182 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1183 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1184 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1185 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1186 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1187 1188 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1189 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1190 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1191 1192 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1193 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1194 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1195 1196 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1197 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1198 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1199 1200 Tokens = 1201 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1202 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1203 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1204 1205 Tokens = 1206 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1207 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1208 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1209 1210 Tokens = 1211 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1212 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1213 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1214 1215 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1216 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1217 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1218 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1219 1220 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1221 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1222 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1223 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1224 1225 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1226 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1227 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1228 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1229 1230 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1231 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1232 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1233 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1234 1235 Tokens = annotate("void f() & requires(true) {}"); 1236 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1237 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1238 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1239 1240 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1241 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1242 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1243 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1244 1245 Tokens = annotate("template <typename T>\n" 1246 "concept C = (!Foo<T>) && Bar;"); 1247 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1248 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1249 1250 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1251 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1252 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1253 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1254 1255 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1256 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1257 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1258 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1259 1260 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1261 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1262 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1263 1264 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1265 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1266 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1267 1268 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1269 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1270 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1271 } 1272 1273 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1274 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1275 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1276 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1277 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1278 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1279 1280 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1281 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1282 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1283 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1284 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1285 1286 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1287 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1288 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1289 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1290 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1291 1292 Tokens = annotate("foo(requires(const T t) {});"); 1293 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1294 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1295 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1296 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1297 1298 Tokens = annotate("foo(requires(const int t) {});"); 1299 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1300 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1301 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1302 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1303 1304 Tokens = annotate("foo(requires(const T t) {});"); 1305 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1306 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1307 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1308 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1309 1310 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1311 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1312 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1313 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1314 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1315 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1316 1317 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1318 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1319 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1320 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1321 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1322 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1323 1324 Tokens = annotate("foo(requires(T& t) {});"); 1325 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1326 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1327 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1328 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1329 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1330 1331 Tokens = annotate("foo(requires(T&& t) {});"); 1332 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1333 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1334 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1335 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1336 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1337 1338 Tokens = annotate("bool foo = requires(T& t) {};"); 1339 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1340 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1341 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1342 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1343 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1344 1345 Tokens = annotate("bool foo = requires(T&& t) {};"); 1346 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1347 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1348 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1349 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1350 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1351 1352 Tokens = 1353 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1354 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1355 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1356 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1357 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1358 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1359 1360 Tokens = annotate("template <typename T>\n" 1361 "concept C = requires(T T) {\n" 1362 " requires Bar<T> && Foo<T>;\n" 1363 "};"); 1364 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1365 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1366 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1367 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1368 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1369 TT_RequiresClauseInARequiresExpression); 1370 1371 Tokens = annotate("template <typename T>\n" 1372 "concept C = requires(T T) {\n" 1373 " { t.func() } -> std::same_as<int>;" 1374 " requires Bar<T> && Foo<T>;\n" 1375 "};"); 1376 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1377 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1378 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1379 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1380 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1381 TT_RequiresClauseInARequiresExpression); 1382 1383 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1384 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1385 "requires true; };"); 1386 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1387 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1388 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1389 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1390 1391 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1392 " { c.foo(); }\n" 1393 "};"); 1394 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1395 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1396 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1397 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1398 } 1399 1400 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1401 // Everything after #pragma region should be ImplicitStringLiteral 1402 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1403 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1404 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1405 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1406 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1407 1408 // Make sure it's annotated correctly inside a function as well 1409 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1410 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1411 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1412 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1413 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1414 } 1415 1416 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1417 const char *BaseCode = nullptr; 1418 const char *ConstrainedCode = nullptr; 1419 auto BaseTokenCount = 0u; 1420 auto RequiresTokenCount = 0u; 1421 auto PrefixTokenCount = 0u; 1422 1423 auto TestRequires = [&](int Line) { 1424 const auto BaseTokens = annotate(BaseCode); 1425 const auto ConstrainedTokens = annotate(ConstrainedCode); 1426 1427 #define LINE " (Line " << Line << ')' 1428 1429 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1430 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1431 << LINE; 1432 1433 for (auto I = 0u; I < BaseTokenCount; ++I) { 1434 EXPECT_EQ( 1435 *BaseTokens[I], 1436 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1437 << I << LINE; 1438 } 1439 1440 #undef LINE 1441 }; 1442 1443 BaseCode = "template<typename T>\n" 1444 "T Pi = 3.14;"; 1445 ConstrainedCode = "template<typename T>\n" 1446 " requires Foo<T>\n" 1447 "T Pi = 3.14;"; 1448 BaseTokenCount = 11; 1449 RequiresTokenCount = 5; 1450 PrefixTokenCount = 5; 1451 TestRequires(__LINE__); 1452 1453 BaseCode = "template<typename T>\n" 1454 "struct Bar;"; 1455 ConstrainedCode = "template<typename T>\n" 1456 " requires Foo<T>\n" 1457 "struct Bar;"; 1458 BaseTokenCount = 9; 1459 TestRequires(__LINE__); 1460 1461 BaseCode = "template<typename T>\n" 1462 "struct Bar {\n" 1463 " T foo();\n" 1464 " T bar();\n" 1465 "};"; 1466 ConstrainedCode = "template<typename T>\n" 1467 " requires Foo<T>\n" 1468 "struct Bar {\n" 1469 " T foo();\n" 1470 " T bar();\n" 1471 "};"; 1472 BaseTokenCount = 21; 1473 TestRequires(__LINE__); 1474 1475 BaseCode = "template<typename T>\n" 1476 "Bar(T) -> Bar<T>;"; 1477 ConstrainedCode = "template<typename T>\n" 1478 " requires Foo<T>\n" 1479 "Bar(T) -> Bar<T>;"; 1480 BaseTokenCount = 16; 1481 TestRequires(__LINE__); 1482 1483 BaseCode = "template<typename T>\n" 1484 "T foo();"; 1485 ConstrainedCode = "template<typename T>\n" 1486 " requires Foo<T>\n" 1487 "T foo();"; 1488 BaseTokenCount = 11; 1489 TestRequires(__LINE__); 1490 1491 BaseCode = "template<typename T>\n" 1492 "T foo() {\n" 1493 " auto bar = baz();\n" 1494 " return bar + T{};\n" 1495 "}"; 1496 ConstrainedCode = "template<typename T>\n" 1497 " requires Foo<T>\n" 1498 "T foo() {\n" 1499 " auto bar = baz();\n" 1500 " return bar + T{};\n" 1501 "}"; 1502 BaseTokenCount = 26; 1503 TestRequires(__LINE__); 1504 1505 BaseCode = "template<typename T>\n" 1506 "T foo();"; 1507 ConstrainedCode = "template<typename T>\n" 1508 "T foo() requires Foo<T>;"; 1509 BaseTokenCount = 11; 1510 PrefixTokenCount = 9; 1511 TestRequires(__LINE__); 1512 1513 BaseCode = "template<typename T>\n" 1514 "T foo() {\n" 1515 " auto bar = baz();\n" 1516 " return bar + T{};\n" 1517 "}"; 1518 ConstrainedCode = "template<typename T>\n" 1519 "T foo() requires Foo<T> {\n" 1520 " auto bar = baz();\n" 1521 " return bar + T{};\n" 1522 "}"; 1523 BaseTokenCount = 26; 1524 TestRequires(__LINE__); 1525 1526 BaseCode = "template<typename T>\n" 1527 "T foo();"; 1528 ConstrainedCode = "template<typename T>\n" 1529 " requires(Foo<T>)\n" 1530 "T foo();"; 1531 BaseTokenCount = 11; 1532 RequiresTokenCount = 7; 1533 PrefixTokenCount = 5; 1534 TestRequires(__LINE__); 1535 1536 BaseCode = "template<typename T>\n" 1537 "Bar(T) -> Bar<typename T::I>;"; 1538 ConstrainedCode = "template<typename T>\n" 1539 " requires requires(T &&t) {\n" 1540 " typename T::I;\n" 1541 " }\n" 1542 "Bar(T) -> Bar<typename T::I>;"; 1543 BaseTokenCount = 19; 1544 RequiresTokenCount = 14; 1545 PrefixTokenCount = 5; 1546 TestRequires(__LINE__); 1547 1548 BaseCode = "struct [[nodiscard]] zero_t {\n" 1549 " template<class T>\n" 1550 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1551 "};"; 1552 ConstrainedCode = 1553 "struct [[nodiscard]] zero_t {\n" 1554 " template<class T>\n" 1555 " requires requires { v<T>; }\n" 1556 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1557 "};"; 1558 BaseTokenCount = 35; 1559 RequiresTokenCount = 9; 1560 PrefixTokenCount = 13; 1561 TestRequires(__LINE__); 1562 1563 BaseCode = "constexpr Foo(Foo const &other)\n" 1564 " : value{other.value} {\n" 1565 " do_magic();\n" 1566 " do_more_magic();\n" 1567 "}"; 1568 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1569 " requires std::is_copy_constructible<T>\n" 1570 " : value{other.value} {\n" 1571 " do_magic();\n" 1572 " do_more_magic();\n" 1573 "}"; 1574 BaseTokenCount = 26; 1575 RequiresTokenCount = 7; 1576 PrefixTokenCount = 8; 1577 TestRequires(__LINE__); 1578 1579 BaseCode = "constexpr Foo(Foo const &other)\n" 1580 " : value{other.value} {\n" 1581 " do_magic();\n" 1582 " do_more_magic();\n" 1583 "}"; 1584 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1585 " requires (std::is_copy_constructible<T>)\n" 1586 " : value{other.value} {\n" 1587 " do_magic();\n" 1588 " do_more_magic();\n" 1589 "}"; 1590 RequiresTokenCount = 9; 1591 TestRequires(__LINE__); 1592 1593 BaseCode = "template<typename T>\n" 1594 "ANNOTATE(\"S\"\n" 1595 " \"S\")\n" 1596 "void foo();"; 1597 ConstrainedCode = "template<typename T>\n" 1598 " requires(true)\n" 1599 "ANNOTATE(\"S\"\n" 1600 " \"S\")\n" 1601 "void foo();"; 1602 BaseTokenCount = 16; 1603 RequiresTokenCount = 4; 1604 PrefixTokenCount = 5; 1605 TestRequires(__LINE__); 1606 } 1607 1608 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1609 auto Tokens = annotate("__asm{\n" 1610 "\"a\":\n" 1611 ": x\n" 1612 ":};"); 1613 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1614 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1615 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1616 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1617 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1618 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1619 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1620 1621 Tokens = annotate("__asm(\n" 1622 "\"a\":\n" 1623 ": x\n" 1624 ":);"); 1625 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1626 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1627 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1628 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1629 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1630 1631 Tokens = annotate("asm volatile (\n" 1632 "\"a_label:\"\n" 1633 ":\n" 1634 ": x\n" 1635 ":);"); 1636 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1637 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1638 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1639 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1640 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1641 1642 Tokens = annotate("__asm__(\n" 1643 "\"a_label:\"\n" 1644 ": x\n" 1645 ":\n" 1646 ": y);"); 1647 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1648 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1649 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1650 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1651 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1652 1653 Tokens = annotate("__asm volatile (\n" 1654 "\"a_label:\"\n" 1655 "\"a b c(%%x)\"\n" 1656 ":\n" 1657 ": x\n" 1658 ":);"); 1659 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1660 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1661 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1662 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1663 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1664 1665 Tokens = annotate("asm(\n" 1666 "\"insn\"\n" 1667 ": \"=r\" (var1), \"=&r\" (value)\n" 1668 ":\n" 1669 ": \"memory\");"); 1670 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1671 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1672 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1673 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1674 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1675 1676 Tokens = annotate("__asm__ volatile (\n" 1677 "\"ldr r1, [r0, %%[sym]]\"\n" 1678 ":\n" 1679 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1680 ");"); 1681 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1682 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1683 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1684 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1685 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1686 } 1687 1688 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1689 auto Tokens = annotate("int (^)() = ^ ()\n" 1690 " external_source_symbol() { //\n" 1691 " return 1;\n" 1692 "};"); 1693 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1694 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1695 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1696 1697 Tokens = annotate("int *p = ^int*(){ //\n" 1698 " return nullptr;\n" 1699 "}();"); 1700 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1701 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1702 1703 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1704 " return a;\n" 1705 "};"); 1706 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1707 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1708 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1709 } 1710 1711 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1712 auto Tokens = annotate("void f() {\n" 1713 " //\n" 1714 " BOOL a = [b.c n] > 1;\n" 1715 "}"); 1716 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1717 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1718 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1719 } 1720 1721 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1722 auto Tokens = annotate("[]() constexpr {}"); 1723 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1724 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1725 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1726 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1727 1728 Tokens = annotate("[]() consteval {}"); 1729 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1730 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1731 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1732 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1733 1734 Tokens = annotate("[]() mutable {}"); 1735 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1736 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1737 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1738 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1739 1740 Tokens = annotate("[]() static {}"); 1741 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1742 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1743 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1744 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1745 1746 Tokens = annotate("[]() -> auto {}"); 1747 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1748 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1749 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1750 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1751 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1752 1753 Tokens = annotate("[]() -> auto & {}"); 1754 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1755 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1756 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1757 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1758 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1759 1760 Tokens = annotate("[]() -> auto * {}"); 1761 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1762 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1763 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1764 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1765 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1766 1767 Tokens = annotate("[] {}"); 1768 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1769 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1770 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1771 1772 Tokens = annotate("[] noexcept {}"); 1773 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1774 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1775 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1776 1777 Tokens = annotate("[] -> auto {}"); 1778 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1779 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1780 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1781 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1782 1783 Tokens = annotate("[] -> struct S { return {}; }"); 1784 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1785 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1786 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1787 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1788 1789 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1790 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1791 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1792 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1793 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1794 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1795 1796 Tokens = annotate("[] <typename T> () {}"); 1797 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1798 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1799 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1800 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1801 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1802 1803 Tokens = annotate("[] <typename T> {}"); 1804 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1805 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1806 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1807 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1808 1809 Tokens = annotate("[] <typename... T> () {}"); 1810 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1811 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1812 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1813 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1814 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1815 1816 Tokens = annotate("[] <typename... T> {}"); 1817 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1818 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1819 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1820 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1821 1822 Tokens = annotate("[] <int... T> () {}"); 1823 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1824 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1825 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1826 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1827 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1828 1829 Tokens = annotate("[] <int... T> {}"); 1830 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1831 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1832 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1833 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1834 1835 Tokens = annotate("[] <Foo... T> () {}"); 1836 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1837 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1838 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1839 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1840 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1841 1842 Tokens = annotate("[] <Foo... T> {}"); 1843 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1844 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1845 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1846 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1847 1848 // Lambdas with a requires-clause 1849 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1850 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1851 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1852 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1853 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1854 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1855 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1856 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1857 1858 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1859 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1860 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1861 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1862 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1863 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1864 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1865 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1866 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1867 1868 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1869 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1870 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1871 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1872 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1873 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1874 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1875 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1876 1877 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1878 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1879 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1880 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1881 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1882 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1883 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1884 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1885 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1886 1887 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1888 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1889 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1890 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1891 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1892 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1893 // FIXME: 1894 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1895 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1896 1897 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1898 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1899 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1900 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1901 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1902 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1903 // FIXME: 1904 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1905 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1906 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1907 1908 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1909 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1910 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1911 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1912 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1913 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1914 // FIXME: 1915 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1916 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1917 1918 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1919 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1920 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1921 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1922 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1923 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1924 // FIXME: 1925 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1926 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1927 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1928 1929 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1930 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1931 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1932 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1933 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1934 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1935 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1936 1937 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1938 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1939 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1940 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1941 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1942 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1943 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1944 1945 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1946 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1947 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1948 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1949 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1950 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1951 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1952 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1953 1954 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1955 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1956 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1957 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1958 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1959 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1960 // FIXME: 1961 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1962 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1963 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1964 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1965 1966 Tokens = annotate("[] <typename T = int> (T t) {}"); 1967 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1968 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1969 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1970 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1971 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1972 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1973 1974 Tokens = annotate("[] <int I = 0> (T t) {}"); 1975 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1976 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1977 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1978 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1979 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1980 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1981 1982 Tokens = annotate("[] <bool b = false> (T t) {}"); 1983 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1984 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1985 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1986 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1987 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1988 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1989 1990 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1991 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1992 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1993 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1994 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1995 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1996 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 1997 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1998 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1999 2000 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2001 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2002 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2003 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2004 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2005 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2006 // FIXME: 2007 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2008 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2009 } 2010 2011 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2012 auto Tokens = annotate("template <typename T>\n" 2013 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2014 "string OldFunction(const string ¶meter) {}"); 2015 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2016 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2017 2018 Tokens = annotate("template <typename T>\n" 2019 "A(T) noexcept;"); 2020 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2021 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2022 2023 Tokens = annotate("FOO(bar)();"); 2024 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2025 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2026 } 2027 2028 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2029 auto Tokens = annotate("void f [[noreturn]] ();"); 2030 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2031 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2032 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2033 2034 Tokens = annotate("void f [[noreturn]] () {}"); 2035 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2036 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2037 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2038 2039 Tokens = annotate("#define FOO Foo::\n" 2040 "FOO Foo();"); 2041 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2042 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2043 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2044 2045 Tokens = annotate("struct Foo {\n" 2046 " Bar (*func)();\n" 2047 "};"); 2048 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2049 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2050 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2051 2052 Tokens = annotate("void instanceof();"); 2053 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2054 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2055 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2056 2057 Tokens = annotate("int iso_time(time_t);"); 2058 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2059 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2060 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2061 2062 auto Style = getLLVMStyle(); 2063 Style.TypeNames.push_back("MyType"); 2064 Tokens = annotate("int iso_time(MyType);", Style); 2065 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2066 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2067 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2068 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2069 } 2070 2071 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2072 auto Tokens = annotate("class Foo { public: Foo(); };"); 2073 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2074 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2075 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2076 2077 Tokens = annotate("class Foo { public: ~Foo(); };"); 2078 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2079 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2080 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2081 2082 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2083 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2084 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2085 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2086 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2087 2088 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2089 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2090 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2091 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2092 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2093 2094 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2095 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2096 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2097 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2098 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2099 2100 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2101 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2102 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2103 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2104 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2105 2106 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2107 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2108 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2109 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2110 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2111 2112 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2113 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2114 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2115 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2116 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2117 2118 Tokens = annotate("Foo::Foo() {}"); 2119 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2120 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2121 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2122 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2123 2124 Tokens = annotate("Foo::~Foo() {}"); 2125 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2126 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2127 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2128 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2129 2130 Tokens = annotate("struct Test {\n" 2131 " Test()\n" 2132 " : l([] {\n" 2133 " Short::foo();\n" 2134 " }) {}\n" 2135 "};"); 2136 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2137 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2138 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2139 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2140 } 2141 2142 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2143 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2144 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2145 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2146 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2147 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2148 } 2149 2150 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2151 auto Tokens = annotate("auto f() -> int;"); 2152 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2153 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2154 2155 Tokens = annotate("auto operator->() -> int;"); 2156 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2157 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2158 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2159 2160 Tokens = annotate("auto operator++(int) -> int;"); 2161 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2162 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2163 2164 Tokens = annotate("auto operator=() -> int;"); 2165 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2166 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2167 2168 Tokens = annotate("auto operator=(int) -> int;"); 2169 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2170 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2171 2172 Tokens = annotate("auto foo() -> auto { return Val; }"); 2173 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2174 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2175 2176 Tokens = annotate("struct S { auto bar() const -> int; };"); 2177 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2178 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2179 2180 // Not trailing return arrows 2181 Tokens = annotate("auto a = b->c;"); 2182 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2183 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2184 2185 Tokens = annotate("auto a = (b)->c;"); 2186 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2187 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2188 2189 Tokens = annotate("auto a = b()->c;"); 2190 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2191 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2192 2193 Tokens = annotate("auto a = b->c();"); 2194 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2195 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2196 2197 Tokens = annotate("decltype(auto) a = b()->c;"); 2198 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2199 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2200 2201 Tokens = annotate("void f() { auto a = b->c(); }"); 2202 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2203 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2204 2205 Tokens = annotate("void f() { auto a = b()->c; }"); 2206 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2207 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2208 2209 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2210 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2211 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2212 2213 Tokens = annotate("void f() FOO(foo->bar);"); 2214 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2215 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2216 2217 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2218 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2219 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2220 2221 auto Style = getLLVMStyle(); 2222 Style.StatementAttributeLikeMacros.push_back("emit"); 2223 Tokens = annotate("emit foo()->bar;", Style); 2224 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2225 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2226 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2227 2228 // Mixed 2229 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2230 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2231 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2232 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2233 } 2234 2235 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2236 auto Tokens = annotate("#define Foo(Bar) \\\n" 2237 " { \\\n" 2238 " #Bar \\\n" 2239 " }"); 2240 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2241 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2242 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2243 2244 Tokens = annotate("#define Foo(Bar) \\\n" 2245 " { #Bar }"); 2246 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2247 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2248 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2249 2250 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2251 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2252 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2253 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2254 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2255 } 2256 2257 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2258 // '__attribute__' has special handling. 2259 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2260 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2261 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2262 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2263 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2264 2265 // Generic macro has no special handling in this location. 2266 Tokens = annotate("A(X) void Foo(void);"); 2267 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2268 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2269 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2270 2271 // Add a custom AttributeMacro. Test that it has the same behavior. 2272 FormatStyle Style = getLLVMStyle(); 2273 Style.AttributeMacros.push_back("A"); 2274 2275 // An "AttributeMacro" gets annotated like '__attribute__'. 2276 Tokens = annotate("A(X) void Foo(void);", Style); 2277 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2278 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2279 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2280 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2281 } 2282 2283 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2284 // '__attribute__' has special handling. 2285 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2286 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2287 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2288 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2289 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2290 2291 // Generic macro has no special handling in this location. 2292 Tokens = annotate("A(X) @interface Foo"); 2293 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2294 // Note: Don't check token-type as a random token in this position is hard to 2295 // reason about. 2296 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2297 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2298 2299 // Add a custom AttributeMacro. Test that it has the same behavior. 2300 FormatStyle Style = getLLVMStyle(); 2301 Style.AttributeMacros.push_back("A"); 2302 2303 // An "AttributeMacro" gets annotated like '__attribute__'. 2304 Tokens = annotate("A(X) @interface Foo", Style); 2305 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2306 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2307 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2308 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2309 } 2310 2311 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2312 // '__attribute__' has special handling. 2313 auto Tokens = annotate("- (id)init __attribute__((X));"); 2314 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2315 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2316 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2317 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2318 2319 // Generic macro has no special handling in this location. 2320 Tokens = annotate("- (id)init A(X);"); 2321 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2322 // Note: Don't check token-type as a random token in this position is hard to 2323 // reason about. 2324 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2325 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2326 2327 // Add a custom AttributeMacro. Test that it has the same behavior. 2328 FormatStyle Style = getLLVMStyle(); 2329 Style.AttributeMacros.push_back("A"); 2330 2331 // An "AttributeMacro" gets annotated like '__attribute__'. 2332 Tokens = annotate("- (id)init A(X);", Style); 2333 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2334 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2335 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2336 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2337 } 2338 2339 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2340 // '__attribute__' has special handling. 2341 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2342 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2343 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2344 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2345 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2346 2347 // Generic macro has no special handling in this location. 2348 Tokens = annotate("@property(weak) id delegate A(X);"); 2349 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2350 // Note: Don't check token-type as a random token in this position is hard to 2351 // reason about. 2352 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2353 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2354 2355 // Add a custom AttributeMacro. Test that it has the same behavior. 2356 FormatStyle Style = getLLVMStyle(); 2357 Style.AttributeMacros.push_back("A"); 2358 2359 // An "AttributeMacro" gets annotated like '__attribute__'. 2360 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2361 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2362 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2363 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2364 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2365 } 2366 2367 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2368 auto Annotate = [this](StringRef Code) { 2369 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2370 }; 2371 // Test that unary operators get labeled as such and that operators like '++' 2372 // don't get split. 2373 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2374 tok::tilde, tok::amp, tok::pipe, 2375 tok::caret, tok::plusplus, tok::minusminus}; 2376 for (auto Kind : Unary) { 2377 auto Tokens = 2378 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2379 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2380 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2381 } 2382 // Operators formed by joining two operators like '^~'. For some of these 2383 // joined operators, we don't have a separate type, so we only test for their 2384 // precedence. 2385 std::pair<prec::Level, std::string> JoinedBinary[] = { 2386 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2387 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2388 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2389 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2390 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2391 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2392 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2393 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2394 {prec::Equality, "!="}, {prec::Equality, "==="}, 2395 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2396 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2397 {prec::ExclusiveOr, "^~"}, 2398 }; 2399 for (auto Operator : JoinedBinary) { 2400 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2401 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2402 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2403 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2404 } 2405 // '~^' and '^~' can be unary as well as binary operators. 2406 auto Tokens = Annotate("x = ~^x;"); 2407 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2408 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2409 Tokens = Annotate("x = ^~x;"); 2410 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2411 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2412 // The unary operators '~&' and '~|' can only be unary operators. The current 2413 // implementation treats each of them as separate unary '~' and '&' or '|' 2414 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2415 // there is a test that there is no space in between. And even if a new line 2416 // is inserted between the '~' and '|', the semantic meaning is the same as 2417 // the joined operator, so the CanBreakBefore property doesn't need to be 2418 // false for the second operator. 2419 Tokens = Annotate("x = ~&x;"); 2420 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2421 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2422 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2423 Tokens = Annotate("x = ~|x;"); 2424 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2425 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2426 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2427 // Test for block label colons. 2428 Tokens = Annotate("begin : x\n" 2429 "end : x"); 2430 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2431 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2432 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2433 // Test that the dimension colon is annotated correctly. 2434 Tokens = Annotate("var [1 : 0] x;"); 2435 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2436 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2437 Tokens = Annotate("extern function [1 : 0] x;"); 2438 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2439 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2440 Tokens = Annotate("module test\n" 2441 " (input wire [7 : 0] a[7 : 0]);\n" 2442 "endmodule"); 2443 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2444 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2445 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2446 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2447 // Test case labels and ternary operators. 2448 Tokens = Annotate("case (x)\n" 2449 " x:\n" 2450 " x;\n" 2451 "endcase"); 2452 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2453 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2454 Tokens = Annotate("case (x)\n" 2455 " x ? x : x:\n" 2456 " x;\n" 2457 "endcase"); 2458 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2459 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2460 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2461 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2462 // Non-blocking assignments. 2463 Tokens = Annotate("a <= b;"); 2464 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2465 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2466 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2467 Tokens = Annotate("if (a <= b) break;"); 2468 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2469 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2470 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2471 Tokens = Annotate("a <= b <= a;"); 2472 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2473 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2474 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2475 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2476 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2477 2478 // Port lists in module instantiation. 2479 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2480 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2481 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2482 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2483 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2484 "instance_2(port_2);"); 2485 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2486 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2487 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2488 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2489 2490 // Condition parentheses. 2491 Tokens = Annotate("assert (x);"); 2492 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2493 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2494 Tokens = Annotate("assert #0 (x);"); 2495 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2496 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2497 Tokens = Annotate("assert final (x);"); 2498 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2499 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2500 Tokens = Annotate("foreach (x[x]) continue;"); 2501 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2502 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2503 Tokens = Annotate("repeat (x[x]) continue;"); 2504 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2505 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2506 Tokens = Annotate("case (x) endcase;"); 2507 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2508 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2509 2510 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2511 // future, please adapt if those tokens get annotated. This test is only here 2512 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2513 Tokens = Annotate("always @(posedge x, posedge y);"); 2514 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2515 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2516 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2517 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2518 2519 // String literals in concatenation. 2520 Tokens = Annotate("x = {\"\"};"); 2521 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2522 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2523 Tokens = Annotate("x = {\"\", \"\"};"); 2524 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2525 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2526 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2527 Tokens = Annotate("x = '{{\"\"}};"); 2528 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2529 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2530 // Cases where the string should not be annotated that type. Fix the 2531 // `TT_Unknown` if needed in the future. 2532 Tokens = Annotate("x = {\"\" == \"\"};"); 2533 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2534 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2535 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2536 Tokens = Annotate("x = {(\"\")};"); 2537 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2538 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2539 Tokens = Annotate("x = '{\"\"};"); 2540 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2541 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2542 } 2543 2544 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2545 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2546 ASSERT_TRUE(Style.isTableGen()); 2547 2548 TestLexer Lexer(Allocator, Buffers, Style); 2549 AdditionalKeywords Keywords(Lexer.IdentTable); 2550 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2551 2552 // Additional keywords representation test. 2553 auto Tokens = Annotate("def foo : Bar<1>;"); 2554 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2555 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2556 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2557 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2558 2559 // Code, the multiline string token. 2560 Tokens = Annotate("[{ code is multiline string }]"); 2561 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2562 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2563 EXPECT_FALSE(Tokens[0]->IsMultiline); 2564 // Case with multiple lines. 2565 Tokens = Annotate("[{ It can break\n" 2566 " across lines and the line breaks\n" 2567 " are retained in \n" 2568 " the string. }]"); 2569 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2570 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2571 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2572 EXPECT_TRUE(Tokens[0]->IsMultiline); 2573 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2574 2575 // Numeric literals. 2576 Tokens = Annotate("1234"); 2577 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2578 Tokens = Annotate("-1"); 2579 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2580 Tokens = Annotate("+1234"); 2581 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2582 Tokens = Annotate("0b0110"); 2583 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2584 Tokens = Annotate("0x1abC"); 2585 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2586 2587 // Identifier tokens. In TableGen, identifiers can begin with a number. 2588 // In ambiguous cases, the lexer tries to lex it as a number. 2589 // Even if the try fails, it does not fall back to identifier lexing and 2590 // regard as an error. 2591 // The ambiguity is not documented. The result of those tests are based on the 2592 // implementation of llvm::TGLexer::LexToken. 2593 // This is invalid syntax of number, but not an identifier. 2594 Tokens = Annotate("0x1234x"); 2595 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2596 Tokens = Annotate("identifier"); 2597 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2598 // Identifier beginning with a number. 2599 Tokens = Annotate("0x"); 2600 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2601 Tokens = Annotate("2dVector"); 2602 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2603 Tokens = Annotate("01234Vector"); 2604 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2605 2606 // Structured statements. 2607 Tokens = Annotate("class Foo {}"); 2608 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2609 Tokens = Annotate("def Def: Foo {}"); 2610 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2611 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2612 Tokens = Annotate("if cond then {} else {}"); 2613 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2614 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2615 Tokens = Annotate("defset Foo Def2 = {}"); 2616 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2617 2618 // Bang Operators. 2619 Tokens = Annotate("!foreach"); 2620 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2621 Tokens = Annotate("!if"); 2622 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2623 Tokens = Annotate("!cond"); 2624 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2625 2626 auto AnnotateValue = [this, &Style](StringRef Code) { 2627 // Values are annotated only in specific context. 2628 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2629 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2630 }; 2631 // Both of bang/cond operators. 2632 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2633 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2634 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2635 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2636 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2637 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2638 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2639 // DAGArg values with operator identifier 2640 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2641 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2642 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2643 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2644 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2645 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2646 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2647 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2648 // List literal 2649 Tokens = AnnotateValue("[1, 2, 3]"); 2650 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2651 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2652 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2653 // Suffixes of values 2654 Tokens = AnnotateValue("valid.field"); 2655 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2656 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2657 // Code 2658 Tokens = AnnotateValue("[{ code is multiline string }]"); 2659 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2660 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2661 2662 // The definition 2663 Tokens = annotate("def Def : Parent<Child> {}", Style); 2664 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2665 // We use inheritance colon and function brace. They are enough. 2666 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2667 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2668 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2669 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2670 2671 // DAGArg breaking options. They use different token types depending on what 2672 // is specified. 2673 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2674 2675 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2676 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2677 // elements to have line break. 2678 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2679 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2680 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2681 EXPECT_TOKEN(Tokens[1], tok::identifier, 2682 TT_TableGenDAGArgOperatorID); // ins 2683 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2684 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2685 2686 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2687 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2688 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2689 EXPECT_TOKEN(Tokens[1], tok::identifier, 2690 TT_TableGenDAGArgOperatorID); // other 2691 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2692 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2693 2694 // For non-identifier operators, breaks after the operator. 2695 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2696 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2697 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2698 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2699 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2700 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2701 2702 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2703 2704 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2705 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2706 // to have line break inside it. 2707 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2708 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2709 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2710 EXPECT_TOKEN(Tokens[1], tok::identifier, 2711 TT_TableGenDAGArgOperatorToBreak); // ins 2712 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2713 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2714 2715 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2716 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2717 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2718 EXPECT_TOKEN(Tokens[1], tok::identifier, 2719 TT_TableGenDAGArgOperatorToBreak); // other 2720 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2721 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2722 2723 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2724 // specified operators. 2725 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2726 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2727 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2728 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2729 EXPECT_TOKEN(Tokens[1], tok::identifier, 2730 TT_TableGenDAGArgOperatorToBreak); // ins 2731 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2732 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2733 2734 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2735 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2736 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2737 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2738 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2739 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2740 2741 // If TableGenBreakingDAGArgOperators is enabled, it uses 2742 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2743 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2744 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2745 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2746 EXPECT_TOKEN(Tokens[1], tok::identifier, 2747 TT_TableGenDAGArgOperatorToBreak); // ins 2748 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2749 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2750 2751 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2752 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2753 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2754 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2755 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2756 } 2757 2758 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2759 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2760 2761 // The TT_Unknown is clearly not binding for the future, please adapt if those 2762 // tokens get annotated. 2763 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2764 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2765 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2766 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2767 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2768 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2769 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2770 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2771 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2772 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2773 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2774 2775 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2776 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2777 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2778 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2779 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2780 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2781 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2782 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2783 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2784 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2785 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2786 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2787 2788 Tokens = annotate("class Class {\n" 2789 " Class() : BaseClass() {\n" 2790 "#if 0\n" 2791 " // comment\n" 2792 "#endif\n" 2793 " }\n" 2794 " Class f();\n" 2795 "}"); 2796 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2797 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2798 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2799 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2800 } 2801 2802 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2803 auto Tokens = annotate("if (x) {}"); 2804 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2805 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2806 Tokens = annotate("if constexpr (x) {}"); 2807 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2808 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2809 Tokens = annotate("if CONSTEXPR (x) {}"); 2810 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2811 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2812 Tokens = annotate("if (x) {} else if (x) {}"); 2813 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2814 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2815 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2816 } 2817 2818 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2819 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2820 2821 auto Tokens = annotate("int? a;", Style); 2822 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2823 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2824 2825 Tokens = annotate("int? a = 1;", Style); 2826 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2827 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2828 2829 Tokens = annotate("int?)", Style); 2830 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2831 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2832 2833 Tokens = annotate("int?>", Style); 2834 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2835 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2836 2837 Tokens = annotate("cond? id : id2", Style); 2838 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2839 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2840 2841 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2842 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2843 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2844 } 2845 2846 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2847 auto Tokens = annotate("{ x: break; }"); 2848 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2849 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2850 2851 Tokens = annotate("{ case x: break; }"); 2852 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2853 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2854 2855 Tokens = annotate("{ x: { break; } }"); 2856 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2857 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2858 2859 Tokens = annotate("{ case x: { break; } }"); 2860 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2861 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2862 2863 Tokens = annotate("#define FOO label:"); 2864 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2865 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2866 2867 Tokens = annotate("#define FOO \\\n" 2868 "label: \\\n" 2869 " break;"); 2870 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2871 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2872 } 2873 2874 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2875 // The closing braces are not annotated. It doesn't seem to cause a problem. 2876 // So we only test for the opening braces. 2877 auto Tokens = annotate("{\n" 2878 " {\n" 2879 " { int a = 0; }\n" 2880 " }\n" 2881 " {}\n" 2882 "}"); 2883 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2884 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2885 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2886 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2887 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2888 } 2889 2890 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2891 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2892 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2893 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2894 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2895 2896 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2897 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2898 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2899 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2900 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2901 2902 Tokens = annotate("SomeStruct {\n" 2903 "#ifdef FOO\n" 2904 " .a = 1,\n" 2905 "#endif\n" 2906 " .b = 2\n" 2907 "};"); 2908 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2909 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2910 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2911 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2912 2913 Tokens = annotate("SomeStruct {\n" 2914 "#if defined FOO\n" 2915 " .a = 1,\n" 2916 "#endif\n" 2917 " .b = 2\n" 2918 "};"); 2919 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2920 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2921 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2922 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2923 2924 Tokens = annotate("Foo foo[] = {[0]{}};"); 2925 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2926 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2927 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2928 } 2929 2930 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2931 auto Annotate = [this](StringRef Code) { 2932 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2933 }; 2934 2935 // Dictionary. 2936 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2937 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2938 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2939 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2940 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2941 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2942 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2943 // Change when we need to annotate these. 2944 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2945 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2946 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2947 } 2948 2949 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2950 auto Tokens = annotate("bool foo __attribute__((unused));"); 2951 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2952 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2953 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2954 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2955 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2956 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2957 2958 Tokens = annotate("bool foo __declspec(dllimport);"); 2959 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2960 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2961 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2962 2963 Tokens = annotate("bool __attribute__((unused)) foo;"); 2964 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2965 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2966 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2967 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2968 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2969 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2970 2971 Tokens = annotate("void __attribute__((x)) Foo();"); 2972 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2973 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2974 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2975 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2976 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2977 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2978 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2979 2980 FormatStyle Style = getLLVMStyle(); 2981 Style.AttributeMacros.push_back("FOO"); 2982 Tokens = annotate("bool foo FOO(unused);", Style); 2983 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2984 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2985 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2986 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2987 } 2988 2989 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2990 auto Tokens = annotate("while (true) {}"); 2991 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2992 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2993 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2994 2995 Tokens = annotate("for (;;) {}"); 2996 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2997 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2998 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2999 3000 Tokens = annotate("do {} while (true);"); 3001 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3002 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3003 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3004 3005 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3006 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3007 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3008 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3009 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3010 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3011 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3012 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3013 3014 Tokens = annotate("switch (foo) {}"); 3015 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3016 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3017 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3018 } 3019 3020 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3021 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3022 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3023 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3024 3025 Tokens = annotate("do ++i; while ( i > 5 );"); 3026 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3027 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3028 } 3029 3030 TEST_F(TokenAnnotatorTest, StartOfName) { 3031 auto Tokens = annotate("#pragma clang diagnostic push"); 3032 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3033 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3034 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3035 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3036 3037 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3038 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3039 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3040 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3041 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3042 3043 Tokens = annotate("#define FOO Foo foo"); 3044 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3045 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3046 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3047 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3048 3049 Tokens = annotate("@interface NSCoder (TestCoder)"); 3050 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3051 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3052 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3053 3054 auto Style = getLLVMStyle(); 3055 Style.StatementAttributeLikeMacros.push_back("emit"); 3056 Tokens = annotate("emit foo = 0;", Style); 3057 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3058 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3059 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3060 } 3061 3062 TEST_F(TokenAnnotatorTest, BraceKind) { 3063 auto Tokens = annotate("void f() {};"); 3064 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3065 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3066 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3067 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3068 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3069 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3070 3071 Tokens = annotate("class Foo<int> f() {}"); 3072 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3073 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3074 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3075 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3076 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3077 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3078 3079 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3080 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3081 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3082 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3083 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3084 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3085 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3086 3087 Tokens = annotate("void f() override {};"); 3088 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3089 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3090 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3091 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3092 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3093 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3094 3095 Tokens = annotate("void f() noexcept(false) {};"); 3096 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3097 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3098 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3099 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3100 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3101 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3102 3103 Tokens = annotate("auto f() -> void {};"); 3104 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3105 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3106 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3107 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3108 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3109 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3110 3111 Tokens = annotate("void f() { /**/ };"); 3112 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3113 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3114 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3115 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3116 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3117 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3118 3119 Tokens = annotate("void f() { //\n" 3120 "};"); 3121 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3122 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3123 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3124 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3125 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3126 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3127 3128 Tokens = annotate("void f() {\n" 3129 " //\n" 3130 "};"); 3131 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3132 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3133 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3134 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3135 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3136 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3137 3138 Tokens = annotate("struct Foo {\n" 3139 " Foo() {};\n" 3140 " ~Foo() {};\n" 3141 "};"); 3142 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3143 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3144 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3145 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3146 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3147 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3148 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3149 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3150 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3151 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3152 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3153 3154 Tokens = annotate("{\n" 3155 " char *a[] = {\n" 3156 " /* abc */ \"abc\",\n" 3157 "#if FOO\n" 3158 " /* xyz */ \"xyz\",\n" 3159 "#endif\n" 3160 " /* last */ \"last\"};\n" 3161 "}"); 3162 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3163 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3164 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3165 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3166 3167 Tokens = 3168 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3169 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3170 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3171 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3172 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3173 3174 Tokens = annotate("struct {};"); 3175 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3176 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3177 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3178 3179 Tokens = annotate("struct : Base {};"); 3180 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3181 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3182 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3183 3184 Tokens = annotate("struct Foo {};"); 3185 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3186 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3187 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3188 3189 Tokens = annotate("struct ::Foo {};"); 3190 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3191 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3192 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3193 3194 Tokens = annotate("struct NS::Foo {};"); 3195 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3196 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3197 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3198 3199 Tokens = annotate("struct Foo<int> {};"); 3200 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3201 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3202 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3203 3204 Tokens = annotate("struct Foo<int>::Bar {};"); 3205 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3206 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3207 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3208 3209 Tokens = annotate("struct Foo<int> : Base {};"); 3210 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3211 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3212 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3213 3214 Tokens = annotate("struct Foo final {};"); 3215 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3216 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3217 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3218 3219 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3220 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3221 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3222 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3223 3224 Tokens = annotate("struct Foo x{};"); 3225 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3226 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3227 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3228 3229 Tokens = annotate("struct ::Foo x{};"); 3230 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3231 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3232 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3233 3234 Tokens = annotate("struct NS::Foo x{};"); 3235 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3236 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3237 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3238 3239 Tokens = annotate("struct Foo<int> x{};"); 3240 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3241 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3242 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3243 3244 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3245 "#else\n" 3246 "#endif\n" 3247 "class RenderingServer : Object {\n" 3248 "#ifndef DISABLE_DEPRECATED\n" 3249 " enum Features {\n" 3250 " FEATURE_SHADERS,\n" 3251 " FEATURE_MULTITHREADED,\n" 3252 " };\n" 3253 "#endif\n" 3254 "};"); 3255 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3256 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3257 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3258 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3259 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3260 3261 Tokens = annotate("{\n" 3262 "#define M(x) \\\n" 3263 " return {#x};\n" 3264 "}"); 3265 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3266 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3267 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3268 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3269 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3270 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3271 3272 Tokens = annotate("a = class extends goog.a {};", 3273 getGoogleStyle(FormatStyle::LK_JavaScript)); 3274 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3275 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3276 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3277 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3278 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3279 3280 Tokens = annotate("#define FOO(X) \\\n" 3281 " struct X##_tag_ {};"); 3282 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3283 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3284 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3285 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3286 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3287 3288 Tokens = annotate("#define MACRO \\\n" 3289 " struct hash<type> { \\\n" 3290 " void f() { return; } \\\n" 3291 " };"); 3292 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3293 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3294 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3295 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3296 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3297 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3298 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3299 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3300 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3301 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3302 3303 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3304 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3305 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3306 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3307 } 3308 3309 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3310 auto Tokens = annotate("auto foo() -> enum En {}"); 3311 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3312 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3313 } 3314 3315 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3316 auto Tokens = annotate("{\n" 3317 " {\n" 3318 " foo();\n" 3319 " }\n" 3320 "}"); 3321 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3322 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3323 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3324 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3325 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3326 3327 Tokens = annotate("void bar() {\n" 3328 " {\n" 3329 " foo();\n" 3330 " }\n" 3331 "}"); 3332 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3333 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3334 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3335 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3336 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3337 3338 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3339 getLLVMStyle(FormatStyle::LK_ObjC)); 3340 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3341 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3342 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3343 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3344 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3345 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3346 } 3347 3348 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3349 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3350 auto Tokens = annotate("i = switch (day) {\n" 3351 " case THURSDAY, SATURDAY -> 8;\n" 3352 " case WEDNESDAY -> 9;\n" 3353 " default -> 1;\n" 3354 "};", 3355 Style); 3356 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3357 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3358 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3359 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3360 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3361 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3362 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3363 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3364 } 3365 3366 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3367 auto Tokens = annotate("a = b and c;"); 3368 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3369 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3370 3371 Tokens = annotate("a = b and_eq c;"); 3372 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3373 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3374 3375 Tokens = annotate("a = b bitand c;"); 3376 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3377 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3378 3379 Tokens = annotate("a = b bitor c;"); 3380 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3381 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3382 3383 Tokens = annotate("a = b compl c;"); 3384 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3385 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3386 3387 Tokens = annotate("a = b not c;"); 3388 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3389 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3390 3391 Tokens = annotate("a = b not_eq c;"); 3392 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3393 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3394 3395 Tokens = annotate("a = b or c;"); 3396 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3397 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3398 3399 Tokens = annotate("a = b or_eq c;"); 3400 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3401 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3402 3403 Tokens = annotate("a = b xor c;"); 3404 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3405 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3406 3407 Tokens = annotate("a = b xor_eq c;"); 3408 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3409 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3410 3411 Tokens = annotate("xor = foo;"); 3412 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3413 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3414 3415 Tokens = annotate("int xor = foo;"); 3416 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3417 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3418 } 3419 3420 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3421 auto Tokens = 3422 annotate("Foo::Foo(int x, int y) try\n" 3423 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3424 "} catch (...) {\n" 3425 "}"); 3426 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3427 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3428 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3429 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3430 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3431 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3432 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3433 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3434 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3435 } 3436 3437 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3438 auto Style = getLLVMStyle(); 3439 Style.TypenameMacros.push_back("STRUCT"); 3440 3441 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3442 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3443 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3444 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3445 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3446 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3447 } 3448 3449 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3450 auto Style = getGNUStyle(); 3451 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3452 3453 auto Tokens = annotate("return 1 <=> 2;", Style); 3454 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3455 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3456 } 3457 3458 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3459 auto Style = getLLVMStyle(); 3460 Style.ColumnLimit = 20; 3461 3462 auto Tokens = annotate("class foo {\n" 3463 " auto bar()\n" 3464 " -> bool;\n" 3465 "};", 3466 Style); 3467 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3468 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3469 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3470 } 3471 3472 } // namespace 3473 } // namespace format 3474 } // namespace clang 3475