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 Tokens = annotate("if (Foo *foo; bar)"); 298 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 299 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 300 301 Tokens = annotate("if (Foo **foo(); bar)"); 302 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 303 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 304 EXPECT_TOKEN(Tokens[4], tok::star, TT_PointerOrReference); 305 306 Tokens = annotate("if (Foo *&foo{a}; bar)"); 307 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 308 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 309 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 310 311 Tokens = annotate("if (Foo *&foo{a})"); 312 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 313 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 314 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 315 316 FormatStyle Style = getLLVMStyle(); 317 Style.TypeNames.push_back("MYI"); 318 Tokens = annotate("if (MYI *p{nullptr})", Style); 319 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 320 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 321 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 322 323 Style.TypeNames.push_back("Class"); 324 Tokens = annotate("if (Class *obj {getObj()})", Style); 325 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 326 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 327 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 328 329 Tokens = annotate("class Foo {\n" 330 " void operator<() {}\n" 331 " Foo &f;\n" 332 "};"); 333 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 334 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 335 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 336 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 337 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 338 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 339 340 Tokens = annotate("if (new && num) {\n" 341 " new = 1;\n" 342 "}\n" 343 "if (!delete && num) {\n" 344 " delete = 1;\n" 345 "}"); 346 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 347 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 348 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 349 350 Tokens = annotate("#define FOO \\\n" 351 " void foo() { f(a * b); }"); 352 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 353 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 354 355 Tokens = annotate("for (int i; Foo *&foo : foos)"); 356 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 357 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 358 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 359 EXPECT_TOKEN(Tokens[9], tok::colon, TT_RangeBasedForLoopColon); 360 361 Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };"); 362 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 363 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 364 365 Tokens = annotate("namespace {\n" 366 "#define FOO(x) void foo(a##x *b);\n" 367 "}"); 368 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 369 EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference); 370 } 371 372 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 373 auto Tokens = annotate("x - 0"); 374 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 375 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 376 Tokens = annotate("0 + 0"); 377 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 378 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 379 Tokens = annotate("x + +0"); 380 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 381 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 382 Tokens = annotate("x ? -0 : +0"); 383 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 384 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 385 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 386 Tokens = annotate("(-0)"); 387 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 388 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 389 Tokens = annotate("0, -0"); 390 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 391 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 392 Tokens = annotate("for (; -1;) {\n}"); 393 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 394 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 395 Tokens = annotate("x = -1;"); 396 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 397 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 398 Tokens = annotate("x[-1]"); 399 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 400 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 401 Tokens = annotate("x = {-1};"); 402 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 403 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 404 Tokens = annotate("case -x:"); 405 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 407 Tokens = annotate("co_await -x;"); 408 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 409 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 410 Tokens = annotate("co_return -x;"); 411 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 412 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 413 Tokens = annotate("co_yield -x;"); 414 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 415 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 416 Tokens = annotate("delete -x;"); 417 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 418 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 419 Tokens = annotate("return -x;"); 420 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 421 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 422 Tokens = annotate("throw -x;"); 423 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 424 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 425 Tokens = annotate("sizeof -x"); 426 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 427 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 428 Tokens = annotate("co_await +x;"); 429 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 430 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 431 Tokens = annotate("co_return +x;"); 432 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 433 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 434 Tokens = annotate("co_yield +x;"); 435 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 436 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 437 Tokens = annotate("delete +x;"); 438 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 439 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 440 Tokens = annotate("return +x;"); 441 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 442 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 443 Tokens = annotate("throw +x;"); 444 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 445 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 446 Tokens = annotate("sizeof +x"); 447 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 448 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 449 Tokens = annotate("(int)-x"); 450 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 451 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 452 Tokens = annotate("(-x)"); 453 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 454 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 455 Tokens = annotate("!+x"); 456 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 457 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 458 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 459 } 460 461 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 462 auto Tokens = annotate("class C {};"); 463 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 464 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 465 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 466 467 Tokens = annotate("const class C {} c;"); 468 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 469 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 470 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 471 472 Tokens = annotate("const class {} c;"); 473 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 474 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 475 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 476 477 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 478 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 479 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 480 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 481 } 482 483 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 484 auto Tokens = annotate("struct S {};"); 485 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 486 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 487 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 488 489 Tokens = annotate("struct macro(a) S {};"); 490 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 491 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 492 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 493 494 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 495 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 496 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 497 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 498 499 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 500 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 501 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 502 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 503 504 Tokens = annotate("struct macro(a) S {\n" 505 " void f(T &t);\n" 506 "};"); 507 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 508 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 509 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 510 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 511 512 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 513 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 514 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 515 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 516 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 517 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 518 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 519 520 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 521 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 522 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 523 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 524 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 525 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 526 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 527 528 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 529 " void f(T const (&a)[n]);\n" 530 "};"); 531 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 532 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 533 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 534 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 535 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 536 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 537 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 538 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 539 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 540 541 Tokens = annotate("template <typename T, enum E e> struct S {};"); 542 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 543 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 544 545 auto Style = getLLVMStyle(); 546 Style.AttributeMacros.push_back("EXPORT"); 547 Tokens = annotate("struct EXPORT StructName {};", Style); 548 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 549 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 550 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 551 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 552 } 553 554 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 555 auto Tokens = annotate("union U {};"); 556 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 557 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 558 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 559 560 Tokens = annotate("union U { void f() { return; } };"); 561 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 562 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 563 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 564 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 565 } 566 567 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 568 auto Tokens = annotate("enum E {};"); 569 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 570 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 571 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 572 } 573 574 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 575 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 576 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 577 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 578 579 Tokens = annotate("template <typename T> void F(T) && = delete;"); 580 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 581 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 582 } 583 584 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 585 auto Tokens = 586 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 587 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 588 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 589 } 590 591 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 592 auto Tokens = 593 annotate("template <typename T> " 594 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 595 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 596 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 597 } 598 599 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 600 auto Tokens = 601 annotate("#define FOO(typeName) \\\n" 602 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 603 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 604 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 605 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 606 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 607 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 608 } 609 610 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 611 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 612 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 613 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 614 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 615 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 616 } 617 618 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 619 // IsExpression = false 620 auto Tokens = annotate("foo<true ? 1 : 2>();"); 621 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 622 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 623 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 624 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 625 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 626 627 // IsExpression = true 628 629 Tokens = annotate("return foo<true ? 1 : 2>();"); 630 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 631 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 632 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 633 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 634 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 635 636 Tokens = annotate("return foo<true ? 1 : 2>{};"); 637 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 638 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 639 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 640 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 641 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 642 } 643 644 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 645 auto Tokens = annotate("return a < b && c > d;"); 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("a < 0 ? b : a > 0 ? c : d;"); 651 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 652 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 653 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 654 655 Tokens = annotate("return A < B ? true : A > B;"); 656 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 657 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 658 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 659 660 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 661 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 662 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 663 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 664 665 Tokens = annotate("return checklower ? a < b : a > b;"); 666 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 667 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 668 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 669 670 Tokens = annotate("return A < B ^ A > B;"); 671 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 672 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 673 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 674 675 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 676 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 677 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 678 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 679 } 680 681 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 682 auto Tokens = annotate("template <template <typename...> typename X,\n" 683 " template <typename...> class Y,\n" 684 " typename... T>\n" 685 "class A {};"); 686 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 687 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 688 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 689 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 690 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 691 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 692 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 693 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 694 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 695 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 696 } 697 698 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 699 FormatStyle Style = getLLVMStyle(); 700 Style.WhitespaceSensitiveMacros.push_back("FOO"); 701 702 auto Tokens = annotate("FOO(1+2 )", Style); 703 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 704 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 705 706 Tokens = annotate("FOO(a:b:c)", Style); 707 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 708 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 709 } 710 711 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 712 auto Tokens = annotate("delete (void *)p;"); 713 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 714 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 715 716 Tokens = annotate("delete[] (void *)p;"); 717 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 718 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 719 720 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 721 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 722 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 723 724 Tokens = annotate("delete[/*comment*/] (void *)p;"); 725 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 726 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 727 728 Tokens = annotate("delete/*comment*/[] (void *)p;"); 729 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 730 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 731 } 732 733 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 734 auto Tokens = annotate("(void)p;"); 735 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 736 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 737 738 Tokens = annotate("(uint32_t)&&label;"); 739 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 740 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 741 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 742 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 743 744 Tokens = annotate("auto x = (Foo)p;"); 745 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 746 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 747 748 Tokens = annotate("(std::vector<int>)p;"); 749 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 750 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 751 752 Tokens = annotate("return (Foo)p;"); 753 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 754 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 755 756 Tokens = annotate("throw (Foo)p;"); 757 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 758 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 759 760 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 761 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 762 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 763 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 764 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 765 766 Tokens = annotate("#define foo(i) ((i) - bar)"); 767 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 768 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 769 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 770 771 Tokens = annotate("return (Foo) & 10;"); 772 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 773 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 774 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 775 776 Tokens = annotate("return (struct foo){};"); 777 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 778 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 779 780 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 781 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 782 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 783 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 784 785 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 786 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 787 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 788 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 789 790 Tokens = annotate("func((void (*)())&a);"); 791 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 792 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 793 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 794 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 795 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 796 797 Tokens = annotate("int result = ((int)a) - b;"); 798 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 799 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 800 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 801 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 802 803 Tokens = annotate("return (double)(foo(30)) - 15;"); 804 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 805 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 806 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 807 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 808 809 Tokens = annotate("return (::Type)(1 + 2);"); 810 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 811 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 812 813 Tokens = annotate("return (Namespace::Class)(1 + 2);"); 814 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 815 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 816 817 Tokens = annotate("return (Foo (*)(void *, Bar, ...))&foo;"); 818 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 819 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionTypeLParen); 820 EXPECT_TOKEN(Tokens[14], tok::r_paren, TT_CastRParen); 821 EXPECT_TOKEN(Tokens[15], tok::amp, TT_UnaryOperator); 822 823 auto Style = getLLVMStyle(); 824 Style.TypeNames.push_back("Foo"); 825 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 826 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 827 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 828 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 829 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 830 } 831 832 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 833 auto Tokens = annotate("void f() throw(int);"); 834 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 835 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 836 } 837 838 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 839 auto Tokens = annotate("void f() &;"); 840 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 841 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 842 843 Tokens = annotate("void operator=(T) &&;"); 844 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 845 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 846 847 Tokens = annotate("template <typename T> void f() &;"); 848 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 849 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 850 851 Tokens = annotate("template <typename T> void operator=(T) &;"); 852 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 853 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 854 } 855 856 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 857 auto Tokens = annotate("x.operator+()"); 858 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 859 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 860 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 861 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 862 Tokens = annotate("x.operator=()"); 863 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 864 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 865 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 866 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 867 Tokens = annotate("x.operator+=()"); 868 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 869 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 870 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 871 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 872 Tokens = annotate("x.operator,()"); 873 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 874 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 875 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 876 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 877 Tokens = annotate("x.operator()()"); 878 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 879 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 880 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 881 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 882 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 883 Tokens = annotate("x.operator[]()"); 884 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 885 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 886 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 887 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 888 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 889 Tokens = annotate("x.operator\"\"_a()"); 890 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 891 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 892 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 893 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 894 Tokens = annotate("x.operator\"\" _a()"); 895 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 896 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 897 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 898 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 899 Tokens = annotate("x.operator\"\"if()"); 900 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 901 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 902 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 903 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 904 Tokens = annotate("x.operator\"\"s()"); 905 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 906 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 907 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 908 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 909 Tokens = annotate("x.operator\"\" s()"); 910 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 911 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 912 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 913 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 914 915 Tokens = annotate("int operator+(int);"); 916 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 917 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 918 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 919 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 920 Tokens = annotate("auto operator=(T&) {}"); 921 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 922 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 923 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 924 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 925 Tokens = annotate("auto operator()() {}"); 926 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 927 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 928 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 929 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 930 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 931 932 Tokens = annotate("class Foo {\n" 933 " int operator+(a* b);\n" 934 "}"); 935 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 936 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 937 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 938 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 939 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 940 941 Tokens = annotate("class Foo {\n" 942 " int c = operator+(a * b);\n" 943 "}"); 944 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 945 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 946 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 947 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 948 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 949 950 Tokens = annotate("void foo() {\n" 951 " operator+(a * b);\n" 952 "}"); 953 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 954 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 955 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 956 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 957 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 958 959 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 960 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 961 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 962 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 963 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 964 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 965 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 966 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 967 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 968 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 969 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 970 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 971 972 Tokens = annotate("class Foo {\n" 973 " void foo() {\n" 974 " operator+(a * b);\n" 975 " }\n" 976 "}"); 977 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 978 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 979 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 980 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 981 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 982 983 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 984 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 985 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 986 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 987 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 988 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 989 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 990 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 991 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 992 993 Tokens = annotate("decltype(auto) operator()(T &x);"); 994 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 995 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 996 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 997 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 998 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 999 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 1000 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 1001 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 1002 } 1003 1004 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 1005 struct { 1006 const char *Text; 1007 tok::TokenKind Kind; 1008 } Operators[] = {{"+", tok::plus}, 1009 {"-", tok::minus}, 1010 // FIXME: 1011 // {"*", tok::star}, 1012 {"/", tok::slash}, 1013 {"%", tok::percent}, 1014 {"^", tok::caret}, 1015 // FIXME: 1016 // {"&", tok::amp}, 1017 {"|", tok::pipe}, 1018 {"~", tok::tilde}, 1019 {"!", tok::exclaim}, 1020 {"=", tok::equal}, 1021 // FIXME: 1022 // {"<", tok::less}, 1023 {">", tok::greater}, 1024 {"+=", tok::plusequal}, 1025 {"-=", tok::minusequal}, 1026 {"*=", tok::starequal}, 1027 {"/=", tok::slashequal}, 1028 {"%=", tok::percentequal}, 1029 {"^=", tok::caretequal}, 1030 {"&=", tok::ampequal}, 1031 {"|=", tok::pipeequal}, 1032 {"<<", tok::lessless}, 1033 {">>", tok::greatergreater}, 1034 {">>=", tok::greatergreaterequal}, 1035 {"<<=", tok::lesslessequal}, 1036 {"==", tok::equalequal}, 1037 {"!=", tok::exclaimequal}, 1038 {"<=", tok::lessequal}, 1039 {">=", tok::greaterequal}, 1040 {"<=>", tok::spaceship}, 1041 {"&&", tok::ampamp}, 1042 {"||", tok::pipepipe}, 1043 {"++", tok::plusplus}, 1044 {"--", tok::minusminus}, 1045 {",", tok::comma}, 1046 {"->*", tok::arrowstar}, 1047 {"->", tok::arrow}}; 1048 1049 for (const auto &Operator : Operators) { 1050 std::string Input("C<&operator"); 1051 Input += Operator.Text; 1052 Input += " > a;"; 1053 auto Tokens = annotate(std::string(Input)); 1054 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1055 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1056 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1057 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1058 } 1059 1060 auto Tokens = annotate("C<&operator< <X>> lt;"); 1061 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1062 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1063 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1064 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1065 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1066 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1067 } 1068 1069 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1070 auto Tokens = annotate("template <typename T>\n" 1071 "concept C = (Foo && Bar) && (Bar && Baz);"); 1072 1073 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1074 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1075 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1076 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1077 1078 Tokens = annotate("template <typename T>\n" 1079 "concept C = Foo && !Bar;"); 1080 1081 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1082 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1083 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1084 1085 Tokens = annotate("template <typename T>\n" 1086 "concept C = requires(T t) {\n" 1087 " { t.foo() };\n" 1088 "} && Bar<T> && Baz<T>;"); 1089 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1090 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1091 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1092 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1093 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1094 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1095 1096 Tokens = annotate("template<typename T>\n" 1097 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1098 "struct Foo;"); 1099 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1100 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1101 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1102 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1103 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1104 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1105 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1106 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1107 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1108 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1109 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1110 1111 Tokens = 1112 annotate("template<typename T>\n" 1113 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1114 "struct Foo;"); 1115 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1116 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1117 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1118 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1119 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1120 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1121 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1122 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1123 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1124 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1125 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1126 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1127 1128 Tokens = annotate("template <typename T>\n" 1129 "void foo(T) noexcept requires Bar<T>;"); 1130 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1131 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1132 1133 Tokens = annotate("template <typename T>\n" 1134 "requires Bar<T> || Baz<T>\n" 1135 "auto foo(T) -> int;"); 1136 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1137 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1138 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1139 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1140 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1141 1142 Tokens = annotate("template <typename T>\n" 1143 "requires Bar<T>\n" 1144 "bool foo(T) { return false; }"); 1145 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1146 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1147 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1148 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1149 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1150 1151 Tokens = annotate("template <typename T>\n" 1152 "requires Bar<T>\n" 1153 "decltype(auto) foo(T) { return false; }"); 1154 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1155 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1156 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1157 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1158 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1159 1160 Tokens = annotate("template <typename T>\n" 1161 "struct S {\n" 1162 " void foo() const requires Bar<T>;\n" 1163 " void bar() const & requires Baz<T>;\n" 1164 " void bar() && requires Baz2<T>;\n" 1165 " void baz() const & noexcept requires Baz<T>;\n" 1166 " void baz() && noexcept requires Baz2<T>;\n" 1167 "};\n" 1168 "\n" 1169 "void S::bar() const & requires Baz<T> { }"); 1170 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1171 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1172 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1173 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1174 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1175 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1176 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1177 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1178 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1179 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1180 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1181 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1182 1183 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1184 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1185 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1186 1187 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1188 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1189 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1190 1191 Tokens = 1192 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1193 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1194 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1195 1196 Tokens = annotate("void Class::member() && requires(typename " 1197 "Namespace::Outer<T>::Inner::Constant) {}"); 1198 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1199 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1200 1201 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1202 " template<class T>\n" 1203 " requires requires { number_zero_v<T>; }\n" 1204 " [[nodiscard]] constexpr operator T() const { " 1205 "return number_zero_v<T>; }\n" 1206 "};"); 1207 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1208 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1209 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1210 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1211 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1212 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1213 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1214 1215 Tokens = 1216 annotate("template <class A, class B> concept C =" 1217 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1218 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1219 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1220 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1221 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1222 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1223 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1224 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1225 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1226 1227 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1228 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1229 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1230 1231 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1232 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1233 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1234 1235 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1236 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1237 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1238 1239 Tokens = 1240 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1241 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1242 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1243 1244 Tokens = 1245 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1246 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1247 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1248 1249 Tokens = 1250 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1251 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1252 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1253 1254 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1255 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1256 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1257 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1258 1259 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1260 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1261 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1262 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1263 1264 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1265 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1266 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1267 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1268 1269 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1270 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1271 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1272 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1273 1274 Tokens = annotate("void f() & requires(true) {}"); 1275 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1276 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1277 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1278 1279 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1280 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1281 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1282 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1283 1284 Tokens = annotate("template <typename T>\n" 1285 "concept C = (!Foo<T>) && Bar;"); 1286 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1287 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1288 1289 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1290 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1291 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1292 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1293 1294 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1295 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1296 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1297 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1298 1299 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1300 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1301 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1302 1303 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1304 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1305 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1306 1307 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1308 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1309 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1310 } 1311 1312 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1313 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1314 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1315 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1316 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1317 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1318 1319 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1320 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1321 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1322 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1323 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1324 1325 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1326 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1327 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1328 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1329 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1330 1331 Tokens = annotate("foo(requires(const 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[8], tok::l_brace, TT_RequiresExpressionLBrace); 1336 1337 Tokens = annotate("foo(requires(const int t) {});"); 1338 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1339 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1340 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1341 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1342 1343 Tokens = annotate("foo(requires(const T t) {});"); 1344 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1345 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1346 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1347 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1348 1349 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1350 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1351 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1352 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1353 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1354 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1355 1356 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1357 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1358 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1359 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1360 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1361 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1362 1363 Tokens = annotate("foo(requires(T& t) {});"); 1364 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1365 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1366 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1367 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1368 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1369 1370 Tokens = annotate("foo(requires(T&& t) {});"); 1371 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1372 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1373 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1374 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1375 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1376 1377 Tokens = annotate("bool foo = requires(T& t) {};"); 1378 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1379 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1380 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1381 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1382 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1383 1384 Tokens = annotate("bool foo = requires(T&& t) {};"); 1385 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1386 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1387 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1388 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1389 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1390 1391 Tokens = 1392 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1393 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1394 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1395 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1396 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1397 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1398 1399 Tokens = annotate("template <typename T>\n" 1400 "concept C = requires(T T) {\n" 1401 " requires Bar<T> && Foo<T>;\n" 1402 "};"); 1403 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1404 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1405 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1406 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1407 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1408 TT_RequiresClauseInARequiresExpression); 1409 1410 Tokens = annotate("template <typename T>\n" 1411 "concept C = requires(T T) {\n" 1412 " { t.func() } -> std::same_as<int>;" 1413 " requires Bar<T> && Foo<T>;\n" 1414 "};"); 1415 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1416 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1417 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1418 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1419 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1420 TT_RequiresClauseInARequiresExpression); 1421 1422 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1423 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1424 "requires true; };"); 1425 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1426 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1427 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1428 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1429 1430 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1431 " { c.foo(); }\n" 1432 "};"); 1433 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1434 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1435 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1436 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1437 } 1438 1439 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1440 // Everything after #pragma region should be ImplicitStringLiteral 1441 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1442 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1443 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1444 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1445 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1446 1447 // Make sure it's annotated correctly inside a function as well 1448 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1449 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1450 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1451 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1452 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1453 } 1454 1455 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1456 const char *BaseCode = nullptr; 1457 const char *ConstrainedCode = nullptr; 1458 auto BaseTokenCount = 0u; 1459 auto RequiresTokenCount = 0u; 1460 auto PrefixTokenCount = 0u; 1461 1462 auto TestRequires = [&](int Line) { 1463 const auto BaseTokens = annotate(BaseCode); 1464 const auto ConstrainedTokens = annotate(ConstrainedCode); 1465 1466 #define LINE " (Line " << Line << ')' 1467 1468 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1469 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1470 << LINE; 1471 1472 for (auto I = 0u; I < BaseTokenCount; ++I) { 1473 EXPECT_EQ( 1474 *BaseTokens[I], 1475 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1476 << I << LINE; 1477 } 1478 1479 #undef LINE 1480 }; 1481 1482 BaseCode = "template<typename T>\n" 1483 "T Pi = 3.14;"; 1484 ConstrainedCode = "template<typename T>\n" 1485 " requires Foo<T>\n" 1486 "T Pi = 3.14;"; 1487 BaseTokenCount = 11; 1488 RequiresTokenCount = 5; 1489 PrefixTokenCount = 5; 1490 TestRequires(__LINE__); 1491 1492 BaseCode = "template<typename T>\n" 1493 "struct Bar;"; 1494 ConstrainedCode = "template<typename T>\n" 1495 " requires Foo<T>\n" 1496 "struct Bar;"; 1497 BaseTokenCount = 9; 1498 TestRequires(__LINE__); 1499 1500 BaseCode = "template<typename T>\n" 1501 "struct Bar {\n" 1502 " T foo();\n" 1503 " T bar();\n" 1504 "};"; 1505 ConstrainedCode = "template<typename T>\n" 1506 " requires Foo<T>\n" 1507 "struct Bar {\n" 1508 " T foo();\n" 1509 " T bar();\n" 1510 "};"; 1511 BaseTokenCount = 21; 1512 TestRequires(__LINE__); 1513 1514 BaseCode = "template<typename T>\n" 1515 "Bar(T) -> Bar<T>;"; 1516 ConstrainedCode = "template<typename T>\n" 1517 " requires Foo<T>\n" 1518 "Bar(T) -> Bar<T>;"; 1519 BaseTokenCount = 16; 1520 TestRequires(__LINE__); 1521 1522 BaseCode = "template<typename T>\n" 1523 "T foo();"; 1524 ConstrainedCode = "template<typename T>\n" 1525 " requires Foo<T>\n" 1526 "T foo();"; 1527 BaseTokenCount = 11; 1528 TestRequires(__LINE__); 1529 1530 BaseCode = "template<typename T>\n" 1531 "T foo() {\n" 1532 " auto bar = baz();\n" 1533 " return bar + T{};\n" 1534 "}"; 1535 ConstrainedCode = "template<typename T>\n" 1536 " requires Foo<T>\n" 1537 "T foo() {\n" 1538 " auto bar = baz();\n" 1539 " return bar + T{};\n" 1540 "}"; 1541 BaseTokenCount = 26; 1542 TestRequires(__LINE__); 1543 1544 BaseCode = "template<typename T>\n" 1545 "T foo();"; 1546 ConstrainedCode = "template<typename T>\n" 1547 "T foo() requires Foo<T>;"; 1548 BaseTokenCount = 11; 1549 PrefixTokenCount = 9; 1550 TestRequires(__LINE__); 1551 1552 BaseCode = "template<typename T>\n" 1553 "T foo() {\n" 1554 " auto bar = baz();\n" 1555 " return bar + T{};\n" 1556 "}"; 1557 ConstrainedCode = "template<typename T>\n" 1558 "T foo() requires Foo<T> {\n" 1559 " auto bar = baz();\n" 1560 " return bar + T{};\n" 1561 "}"; 1562 BaseTokenCount = 26; 1563 TestRequires(__LINE__); 1564 1565 BaseCode = "template<typename T>\n" 1566 "T foo();"; 1567 ConstrainedCode = "template<typename T>\n" 1568 " requires(Foo<T>)\n" 1569 "T foo();"; 1570 BaseTokenCount = 11; 1571 RequiresTokenCount = 7; 1572 PrefixTokenCount = 5; 1573 TestRequires(__LINE__); 1574 1575 BaseCode = "template<typename T>\n" 1576 "Bar(T) -> Bar<typename T::I>;"; 1577 ConstrainedCode = "template<typename T>\n" 1578 " requires requires(T &&t) {\n" 1579 " typename T::I;\n" 1580 " }\n" 1581 "Bar(T) -> Bar<typename T::I>;"; 1582 BaseTokenCount = 19; 1583 RequiresTokenCount = 14; 1584 PrefixTokenCount = 5; 1585 TestRequires(__LINE__); 1586 1587 BaseCode = "struct [[nodiscard]] zero_t {\n" 1588 " template<class T>\n" 1589 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1590 "};"; 1591 ConstrainedCode = 1592 "struct [[nodiscard]] zero_t {\n" 1593 " template<class T>\n" 1594 " requires requires { v<T>; }\n" 1595 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1596 "};"; 1597 BaseTokenCount = 35; 1598 RequiresTokenCount = 9; 1599 PrefixTokenCount = 13; 1600 TestRequires(__LINE__); 1601 1602 BaseCode = "constexpr Foo(Foo const &other)\n" 1603 " : value{other.value} {\n" 1604 " do_magic();\n" 1605 " do_more_magic();\n" 1606 "}"; 1607 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1608 " requires std::is_copy_constructible<T>\n" 1609 " : value{other.value} {\n" 1610 " do_magic();\n" 1611 " do_more_magic();\n" 1612 "}"; 1613 BaseTokenCount = 26; 1614 RequiresTokenCount = 7; 1615 PrefixTokenCount = 8; 1616 TestRequires(__LINE__); 1617 1618 BaseCode = "constexpr Foo(Foo const &other)\n" 1619 " : value{other.value} {\n" 1620 " do_magic();\n" 1621 " do_more_magic();\n" 1622 "}"; 1623 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1624 " requires (std::is_copy_constructible<T>)\n" 1625 " : value{other.value} {\n" 1626 " do_magic();\n" 1627 " do_more_magic();\n" 1628 "}"; 1629 RequiresTokenCount = 9; 1630 TestRequires(__LINE__); 1631 1632 BaseCode = "template<typename T>\n" 1633 "ANNOTATE(\"S\"\n" 1634 " \"S\")\n" 1635 "void foo();"; 1636 ConstrainedCode = "template<typename T>\n" 1637 " requires(true)\n" 1638 "ANNOTATE(\"S\"\n" 1639 " \"S\")\n" 1640 "void foo();"; 1641 BaseTokenCount = 16; 1642 RequiresTokenCount = 4; 1643 PrefixTokenCount = 5; 1644 TestRequires(__LINE__); 1645 } 1646 1647 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1648 auto Tokens = annotate("__asm{\n" 1649 "\"a\":\n" 1650 ": x\n" 1651 ":};"); 1652 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1653 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1654 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1655 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1656 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1657 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1658 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1659 1660 Tokens = annotate("__asm(\n" 1661 "\"a\":\n" 1662 ": x\n" 1663 ":);"); 1664 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1665 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1666 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1667 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1668 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1669 1670 Tokens = annotate("asm volatile (\n" 1671 "\"a_label:\"\n" 1672 ":\n" 1673 ": x\n" 1674 ":);"); 1675 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1676 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1677 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1678 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1679 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1680 1681 Tokens = annotate("__asm__(\n" 1682 "\"a_label:\"\n" 1683 ": x\n" 1684 ":\n" 1685 ": y);"); 1686 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1687 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1688 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1689 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1690 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1691 1692 Tokens = annotate("__asm volatile (\n" 1693 "\"a_label:\"\n" 1694 "\"a b c(%%x)\"\n" 1695 ":\n" 1696 ": x\n" 1697 ":);"); 1698 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1699 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1700 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1701 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1702 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1703 1704 Tokens = annotate("asm(\n" 1705 "\"insn\"\n" 1706 ": \"=r\" (var1), \"=&r\" (value)\n" 1707 ":\n" 1708 ": \"memory\");"); 1709 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1710 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1711 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1712 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1713 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1714 1715 Tokens = annotate("__asm__ volatile (\n" 1716 "\"ldr r1, [r0, %%[sym]]\"\n" 1717 ":\n" 1718 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1719 ");"); 1720 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1721 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1722 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1723 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1724 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1725 } 1726 1727 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1728 auto Tokens = annotate("int (^)() = ^ ()\n" 1729 " external_source_symbol() { //\n" 1730 " return 1;\n" 1731 "};"); 1732 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1733 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1734 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1735 1736 Tokens = annotate("int *p = ^int*(){ //\n" 1737 " return nullptr;\n" 1738 "}();"); 1739 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1740 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1741 1742 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1743 " return a;\n" 1744 "};"); 1745 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1746 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1747 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1748 } 1749 1750 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1751 auto Tokens = annotate("void f() {\n" 1752 " //\n" 1753 " BOOL a = [b.c n] > 1;\n" 1754 "}"); 1755 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1756 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1757 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1758 } 1759 1760 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1761 auto Tokens = annotate("[]() constexpr {}"); 1762 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1763 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1764 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1765 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1766 1767 Tokens = annotate("[]() consteval {}"); 1768 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1769 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1770 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1771 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1772 1773 Tokens = annotate("[]() mutable {}"); 1774 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1775 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1776 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1777 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1778 1779 Tokens = annotate("[]() static {}"); 1780 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1781 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1782 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1783 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1784 1785 Tokens = annotate("[]() -> auto {}"); 1786 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1787 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1788 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1789 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1790 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1791 1792 Tokens = annotate("[]() -> auto & {}"); 1793 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1794 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1795 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1796 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1797 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1798 1799 Tokens = annotate("[]() -> auto * {}"); 1800 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1801 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1802 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1803 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1804 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1805 1806 Tokens = annotate("[] {}"); 1807 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1808 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1809 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1810 1811 Tokens = annotate("[] noexcept {}"); 1812 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1813 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1814 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1815 1816 Tokens = annotate("[] -> auto {}"); 1817 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1818 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1819 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1820 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1821 1822 Tokens = annotate("[] -> struct S { return {}; }"); 1823 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1824 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1825 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1826 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1827 1828 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1829 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1830 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1831 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1832 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1833 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1834 1835 Tokens = annotate("[] <typename T> () {}"); 1836 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1837 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1838 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1839 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1840 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1841 1842 Tokens = annotate("[] <typename T> {}"); 1843 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1844 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1845 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1846 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1847 1848 Tokens = annotate("[] <typename... T> () {}"); 1849 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1850 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1851 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1852 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1853 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1854 1855 Tokens = annotate("[] <typename... T> {}"); 1856 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1857 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1858 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1859 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1860 1861 Tokens = annotate("[] <int... T> () {}"); 1862 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1863 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1864 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1865 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1866 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1867 1868 Tokens = annotate("[] <int... T> {}"); 1869 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1870 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1871 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1872 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1873 1874 Tokens = annotate("[] <Foo... T> () {}"); 1875 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1876 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1877 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1878 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1879 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1880 1881 Tokens = annotate("[] <Foo... T> {}"); 1882 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1883 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1884 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1885 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1886 1887 // Lambdas with a requires-clause 1888 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1889 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1890 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1891 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1892 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1893 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1894 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1895 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1896 1897 Tokens = annotate("[] <typename T> (T &&t) requires Bar<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::l_paren, TT_LambdaDefinitionLParen); 1902 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1903 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1904 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1905 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1906 1907 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1908 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1909 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1910 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1911 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1912 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1913 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1914 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1915 1916 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1917 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1918 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1919 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1920 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1921 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1922 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1923 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1924 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1925 1926 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1927 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1928 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1929 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1930 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1931 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1932 // FIXME: 1933 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1934 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1935 1936 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1937 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1938 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1939 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1940 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1941 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1942 // FIXME: 1943 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1944 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1945 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1946 1947 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1948 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1949 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1950 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1951 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1952 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1953 // FIXME: 1954 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1955 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1956 1957 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1958 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1959 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1960 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1961 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1962 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1963 // FIXME: 1964 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1965 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1966 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1967 1968 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1969 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1970 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1971 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1972 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1973 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1974 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1975 1976 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1977 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1978 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1979 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1980 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1981 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1982 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1983 1984 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1985 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1986 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1987 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1988 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1989 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1990 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1991 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1992 1993 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1994 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1995 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1996 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1997 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1998 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1999 // FIXME: 2000 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 2001 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 2002 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 2003 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 2004 2005 Tokens = annotate("[] <typename T = int> (T t) {}"); 2006 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2007 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2008 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2009 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2010 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2011 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2012 2013 Tokens = annotate("[] <int I = 0> (T t) {}"); 2014 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2015 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2016 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2017 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2018 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2019 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2020 2021 Tokens = annotate("[] <bool b = false> (T t) {}"); 2022 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2023 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2024 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2025 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2026 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2027 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2028 2029 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 2030 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2031 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2032 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2033 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 2034 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 2035 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 2036 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 2037 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 2038 2039 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2040 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2041 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2042 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2043 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2044 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2045 // FIXME: 2046 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2047 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2048 } 2049 2050 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2051 auto Tokens = annotate("template <typename T>\n" 2052 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2053 "string OldFunction(const string ¶meter) {}"); 2054 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2055 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2056 2057 Tokens = annotate("template <typename T>\n" 2058 "A(T) noexcept;"); 2059 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2060 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2061 2062 Tokens = annotate("FOO(bar)();"); 2063 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2064 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2065 } 2066 2067 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2068 auto Tokens = annotate("void f [[noreturn]] ();"); 2069 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2070 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2071 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2072 2073 Tokens = annotate("void f [[noreturn]] () {}"); 2074 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2075 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2076 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2077 2078 Tokens = annotate("#define FOO Foo::\n" 2079 "FOO Foo();"); 2080 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2081 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2082 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2083 2084 Tokens = annotate("struct Foo {\n" 2085 " Bar (*func)();\n" 2086 "};"); 2087 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2088 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2089 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2090 2091 Tokens = annotate("void instanceof();"); 2092 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2093 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2094 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2095 2096 Tokens = annotate("int iso_time(time_t);"); 2097 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2098 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2099 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2100 2101 auto Style = getLLVMStyle(); 2102 Style.TypeNames.push_back("MyType"); 2103 Tokens = annotate("int iso_time(MyType);", Style); 2104 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2105 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2106 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2107 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2108 } 2109 2110 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2111 auto Tokens = annotate("class Foo { public: Foo(); };"); 2112 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2113 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2114 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2115 2116 Tokens = annotate("class Foo { public: ~Foo(); };"); 2117 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2118 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2119 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2120 2121 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2122 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2123 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2124 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2125 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2126 2127 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2128 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2129 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2130 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2131 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2132 2133 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2134 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2135 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2136 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2137 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2138 2139 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2140 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2141 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2142 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2143 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2144 2145 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2146 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2147 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2148 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2149 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2150 2151 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2152 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2153 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2154 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2155 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2156 2157 Tokens = annotate("Foo::Foo() {}"); 2158 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2159 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2160 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2161 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2162 2163 Tokens = annotate("Foo::~Foo() {}"); 2164 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2165 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2166 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2167 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2168 2169 Tokens = annotate("struct Test {\n" 2170 " Test()\n" 2171 " : l([] {\n" 2172 " Short::foo();\n" 2173 " }) {}\n" 2174 "};"); 2175 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2176 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2177 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2178 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2179 } 2180 2181 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2182 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2183 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2184 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2185 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2186 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2187 } 2188 2189 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2190 auto Tokens = annotate("auto f() -> int;"); 2191 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2192 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2193 2194 Tokens = annotate("auto operator->() -> int;"); 2195 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2196 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2197 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2198 2199 Tokens = annotate("auto operator++(int) -> int;"); 2200 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2201 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2202 2203 Tokens = annotate("auto operator=() -> int;"); 2204 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2205 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2206 2207 Tokens = annotate("auto operator=(int) -> int;"); 2208 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2209 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2210 2211 Tokens = annotate("auto foo() -> auto { return Val; }"); 2212 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2213 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2214 2215 Tokens = annotate("struct S { auto bar() const -> int; };"); 2216 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2217 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2218 2219 // Not trailing return arrows 2220 Tokens = annotate("auto a = b->c;"); 2221 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2222 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2223 2224 Tokens = annotate("auto a = (b)->c;"); 2225 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2226 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2227 2228 Tokens = annotate("auto a = b()->c;"); 2229 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2230 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2231 2232 Tokens = annotate("auto a = b->c();"); 2233 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2234 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2235 2236 Tokens = annotate("decltype(auto) a = b()->c;"); 2237 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2238 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2239 2240 Tokens = annotate("void f() { auto a = b->c(); }"); 2241 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2242 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2243 2244 Tokens = annotate("void f() { auto a = b()->c; }"); 2245 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2246 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2247 2248 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2249 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2250 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2251 2252 Tokens = annotate("void f() FOO(foo->bar);"); 2253 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2254 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2255 2256 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2257 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2258 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2259 2260 auto Style = getLLVMStyle(); 2261 Style.StatementAttributeLikeMacros.push_back("emit"); 2262 Tokens = annotate("emit foo()->bar;", Style); 2263 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2264 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2265 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2266 2267 // Mixed 2268 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2269 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2270 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2271 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2272 } 2273 2274 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2275 auto Tokens = annotate("#define Foo(Bar) \\\n" 2276 " { \\\n" 2277 " #Bar \\\n" 2278 " }"); 2279 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2280 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2281 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2282 2283 Tokens = annotate("#define Foo(Bar) \\\n" 2284 " { #Bar }"); 2285 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2286 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2287 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2288 2289 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2290 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2291 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2292 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2293 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2294 } 2295 2296 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2297 // '__attribute__' has special handling. 2298 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2299 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2300 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2301 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2302 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2303 2304 // Generic macro has no special handling in this location. 2305 Tokens = annotate("A(X) void Foo(void);"); 2306 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2307 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2308 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2309 2310 // Add a custom AttributeMacro. Test that it has the same behavior. 2311 FormatStyle Style = getLLVMStyle(); 2312 Style.AttributeMacros.push_back("A"); 2313 2314 // An "AttributeMacro" gets annotated like '__attribute__'. 2315 Tokens = annotate("A(X) void Foo(void);", Style); 2316 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2317 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2318 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2319 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2320 } 2321 2322 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2323 // '__attribute__' has special handling. 2324 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2325 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2326 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2327 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2328 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2329 2330 // Generic macro has no special handling in this location. 2331 Tokens = annotate("A(X) @interface Foo"); 2332 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2333 // Note: Don't check token-type as a random token in this position is hard to 2334 // reason about. 2335 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2336 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2337 2338 // Add a custom AttributeMacro. Test that it has the same behavior. 2339 FormatStyle Style = getLLVMStyle(); 2340 Style.AttributeMacros.push_back("A"); 2341 2342 // An "AttributeMacro" gets annotated like '__attribute__'. 2343 Tokens = annotate("A(X) @interface Foo", Style); 2344 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2345 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2346 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2347 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2348 } 2349 2350 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2351 // '__attribute__' has special handling. 2352 auto Tokens = annotate("- (id)init __attribute__((X));"); 2353 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2354 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2355 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2356 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2357 2358 // Generic macro has no special handling in this location. 2359 Tokens = annotate("- (id)init A(X);"); 2360 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2361 // Note: Don't check token-type as a random token in this position is hard to 2362 // reason about. 2363 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2364 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2365 2366 // Add a custom AttributeMacro. Test that it has the same behavior. 2367 FormatStyle Style = getLLVMStyle(); 2368 Style.AttributeMacros.push_back("A"); 2369 2370 // An "AttributeMacro" gets annotated like '__attribute__'. 2371 Tokens = annotate("- (id)init A(X);", Style); 2372 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2373 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2374 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2375 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2376 } 2377 2378 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2379 // '__attribute__' has special handling. 2380 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2381 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2382 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2383 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2384 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2385 2386 // Generic macro has no special handling in this location. 2387 Tokens = annotate("@property(weak) id delegate A(X);"); 2388 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2389 // Note: Don't check token-type as a random token in this position is hard to 2390 // reason about. 2391 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2392 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2393 2394 // Add a custom AttributeMacro. Test that it has the same behavior. 2395 FormatStyle Style = getLLVMStyle(); 2396 Style.AttributeMacros.push_back("A"); 2397 2398 // An "AttributeMacro" gets annotated like '__attribute__'. 2399 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2400 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2401 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2402 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2403 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2404 } 2405 2406 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2407 auto Annotate = [this](StringRef Code) { 2408 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2409 }; 2410 // Test that unary operators get labeled as such and that operators like '++' 2411 // don't get split. 2412 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2413 tok::tilde, tok::amp, tok::pipe, 2414 tok::caret, tok::plusplus, tok::minusminus}; 2415 for (auto Kind : Unary) { 2416 auto Tokens = 2417 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2418 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2419 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2420 } 2421 // Operators formed by joining two operators like '^~'. For some of these 2422 // joined operators, we don't have a separate type, so we only test for their 2423 // precedence. 2424 std::pair<prec::Level, std::string> JoinedBinary[] = { 2425 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2426 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2427 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2428 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2429 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2430 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2431 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2432 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2433 {prec::Equality, "!="}, {prec::Equality, "==="}, 2434 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2435 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2436 {prec::ExclusiveOr, "^~"}, 2437 }; 2438 for (auto Operator : JoinedBinary) { 2439 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2440 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2441 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2442 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2443 } 2444 // '~^' and '^~' can be unary as well as binary operators. 2445 auto Tokens = Annotate("x = ~^x;"); 2446 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2447 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2448 Tokens = Annotate("x = ^~x;"); 2449 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2450 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2451 // The unary operators '~&' and '~|' can only be unary operators. The current 2452 // implementation treats each of them as separate unary '~' and '&' or '|' 2453 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2454 // there is a test that there is no space in between. And even if a new line 2455 // is inserted between the '~' and '|', the semantic meaning is the same as 2456 // the joined operator, so the CanBreakBefore property doesn't need to be 2457 // false for the second operator. 2458 Tokens = Annotate("x = ~&x;"); 2459 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2460 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2461 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2462 Tokens = Annotate("x = ~|x;"); 2463 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2464 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2465 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2466 // Test for block label colons. 2467 Tokens = Annotate("begin : x\n" 2468 "end : x"); 2469 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2470 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2471 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2472 // Test that the dimension colon is annotated correctly. 2473 Tokens = Annotate("var [1 : 0] x;"); 2474 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2475 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2476 Tokens = Annotate("extern function [1 : 0] x;"); 2477 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2478 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2479 Tokens = Annotate("module test\n" 2480 " (input wire [7 : 0] a[7 : 0]);\n" 2481 "endmodule"); 2482 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2483 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2484 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2485 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2486 // Test case labels and ternary operators. 2487 Tokens = Annotate("case (x)\n" 2488 " x:\n" 2489 " x;\n" 2490 "endcase"); 2491 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2492 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2493 Tokens = Annotate("case (x)\n" 2494 " x ? x : x:\n" 2495 " x;\n" 2496 "endcase"); 2497 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2498 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2499 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2500 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2501 // Non-blocking assignments. 2502 Tokens = Annotate("a <= b;"); 2503 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2504 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2505 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2506 Tokens = Annotate("if (a <= b) break;"); 2507 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2508 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2509 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2510 Tokens = Annotate("a <= b <= a;"); 2511 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2512 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2513 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2514 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2515 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2516 2517 // Port lists in module instantiation. 2518 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2519 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2520 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2521 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2522 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2523 "instance_2(port_2);"); 2524 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2525 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2526 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2527 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2528 2529 // Condition parentheses. 2530 Tokens = Annotate("assert (x);"); 2531 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2532 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2533 Tokens = Annotate("assert #0 (x);"); 2534 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2535 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2536 Tokens = Annotate("assert final (x);"); 2537 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2538 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2539 Tokens = Annotate("foreach (x[x]) continue;"); 2540 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2541 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2542 Tokens = Annotate("repeat (x[x]) continue;"); 2543 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2544 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2545 Tokens = Annotate("case (x) endcase;"); 2546 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2547 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2548 2549 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2550 // future, please adapt if those tokens get annotated. This test is only here 2551 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2552 Tokens = Annotate("always @(posedge x, posedge y);"); 2553 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2554 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2555 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2556 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2557 2558 // String literals in concatenation. 2559 Tokens = Annotate("x = {\"\"};"); 2560 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2561 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2562 Tokens = Annotate("x = {\"\", \"\"};"); 2563 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2564 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2565 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2566 Tokens = Annotate("x = '{{\"\"}};"); 2567 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2568 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2569 // Cases where the string should not be annotated that type. Fix the 2570 // `TT_Unknown` if needed in the future. 2571 Tokens = Annotate("x = {\"\" == \"\"};"); 2572 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2573 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2574 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2575 Tokens = Annotate("x = {(\"\")};"); 2576 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2577 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2578 Tokens = Annotate("x = '{\"\"};"); 2579 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2580 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2581 } 2582 2583 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2584 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2585 ASSERT_TRUE(Style.isTableGen()); 2586 2587 TestLexer Lexer(Allocator, Buffers, Style); 2588 AdditionalKeywords Keywords(Lexer.IdentTable); 2589 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2590 2591 // Additional keywords representation test. 2592 auto Tokens = Annotate("def foo : Bar<1>;"); 2593 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2594 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2595 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2596 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2597 2598 // Code, the multiline string token. 2599 Tokens = Annotate("[{ code is multiline string }]"); 2600 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2601 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2602 EXPECT_FALSE(Tokens[0]->IsMultiline); 2603 // Case with multiple lines. 2604 Tokens = Annotate("[{ It can break\n" 2605 " across lines and the line breaks\n" 2606 " are retained in \n" 2607 " the string. }]"); 2608 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2609 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2610 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2611 EXPECT_TRUE(Tokens[0]->IsMultiline); 2612 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2613 2614 // Numeric literals. 2615 Tokens = Annotate("1234"); 2616 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2617 Tokens = Annotate("-1"); 2618 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2619 Tokens = Annotate("+1234"); 2620 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2621 Tokens = Annotate("0b0110"); 2622 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2623 Tokens = Annotate("0x1abC"); 2624 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2625 2626 // Identifier tokens. In TableGen, identifiers can begin with a number. 2627 // In ambiguous cases, the lexer tries to lex it as a number. 2628 // Even if the try fails, it does not fall back to identifier lexing and 2629 // regard as an error. 2630 // The ambiguity is not documented. The result of those tests are based on the 2631 // implementation of llvm::TGLexer::LexToken. 2632 // This is invalid syntax of number, but not an identifier. 2633 Tokens = Annotate("0x1234x"); 2634 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2635 Tokens = Annotate("identifier"); 2636 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2637 // Identifier beginning with a number. 2638 Tokens = Annotate("0x"); 2639 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2640 Tokens = Annotate("2dVector"); 2641 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2642 Tokens = Annotate("01234Vector"); 2643 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2644 2645 // Structured statements. 2646 Tokens = Annotate("class Foo {}"); 2647 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2648 Tokens = Annotate("def Def: Foo {}"); 2649 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2650 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2651 Tokens = Annotate("if cond then {} else {}"); 2652 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2653 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2654 Tokens = Annotate("defset Foo Def2 = {}"); 2655 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2656 2657 // Bang Operators. 2658 Tokens = Annotate("!foreach"); 2659 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2660 Tokens = Annotate("!if"); 2661 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2662 Tokens = Annotate("!cond"); 2663 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2664 2665 auto AnnotateValue = [this, &Style](StringRef Code) { 2666 // Values are annotated only in specific context. 2667 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2668 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2669 }; 2670 // Both of bang/cond operators. 2671 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2672 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2673 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2674 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2675 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2676 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2677 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2678 // DAGArg values with operator identifier 2679 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2680 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2681 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2682 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2683 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2684 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2685 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2686 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2687 // List literal 2688 Tokens = AnnotateValue("[1, 2, 3]"); 2689 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2690 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2691 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2692 // Suffixes of values 2693 Tokens = AnnotateValue("valid.field"); 2694 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2695 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2696 // Code 2697 Tokens = AnnotateValue("[{ code is multiline string }]"); 2698 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2699 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2700 2701 // The definition 2702 Tokens = annotate("def Def : Parent<Child> {}", Style); 2703 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2704 // We use inheritance colon and function brace. They are enough. 2705 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2706 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2707 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2708 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2709 2710 // DAGArg breaking options. They use different token types depending on what 2711 // is specified. 2712 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2713 2714 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2715 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2716 // elements to have line break. 2717 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2718 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2719 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2720 EXPECT_TOKEN(Tokens[1], tok::identifier, 2721 TT_TableGenDAGArgOperatorID); // ins 2722 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2723 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2724 2725 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2726 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2727 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2728 EXPECT_TOKEN(Tokens[1], tok::identifier, 2729 TT_TableGenDAGArgOperatorID); // other 2730 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2731 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2732 2733 // For non-identifier operators, breaks after the operator. 2734 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2735 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2736 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2737 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2738 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2739 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2740 2741 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2742 2743 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2744 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2745 // to have line break inside it. 2746 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2747 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2748 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2749 EXPECT_TOKEN(Tokens[1], tok::identifier, 2750 TT_TableGenDAGArgOperatorToBreak); // ins 2751 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2752 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2753 2754 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2755 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2756 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2757 EXPECT_TOKEN(Tokens[1], tok::identifier, 2758 TT_TableGenDAGArgOperatorToBreak); // other 2759 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2760 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2761 2762 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2763 // specified operators. 2764 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2765 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2766 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2767 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2768 EXPECT_TOKEN(Tokens[1], tok::identifier, 2769 TT_TableGenDAGArgOperatorToBreak); // ins 2770 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2771 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2772 2773 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2774 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2775 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2776 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2777 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2778 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2779 2780 // If TableGenBreakingDAGArgOperators is enabled, it uses 2781 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2782 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2783 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2784 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2785 EXPECT_TOKEN(Tokens[1], tok::identifier, 2786 TT_TableGenDAGArgOperatorToBreak); // ins 2787 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2788 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2789 2790 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2791 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2792 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2793 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2794 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2795 } 2796 2797 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2798 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2799 2800 // The TT_Unknown is clearly not binding for the future, please adapt if those 2801 // tokens get annotated. 2802 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2803 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2804 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2805 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2806 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2807 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2808 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2809 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2810 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2811 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2812 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2813 2814 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2815 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2816 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2817 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2818 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2819 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2820 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2821 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2822 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2823 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2824 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2825 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2826 2827 Tokens = annotate("class Class {\n" 2828 " Class() : BaseClass() {\n" 2829 "#if 0\n" 2830 " // comment\n" 2831 "#endif\n" 2832 " }\n" 2833 " Class f();\n" 2834 "}"); 2835 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2836 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2837 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2838 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2839 } 2840 2841 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2842 auto Tokens = annotate("if (x) {}"); 2843 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2844 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2845 Tokens = annotate("if constexpr (x) {}"); 2846 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2847 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2848 Tokens = annotate("if CONSTEXPR (x) {}"); 2849 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2850 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2851 Tokens = annotate("if (x) {} else if (x) {}"); 2852 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2853 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2854 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2855 } 2856 2857 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2858 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2859 2860 auto Tokens = annotate("int? a;", Style); 2861 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2862 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2863 2864 Tokens = annotate("int? a = 1;", Style); 2865 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2866 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2867 2868 Tokens = annotate("int?)", Style); 2869 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2870 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2871 2872 Tokens = annotate("int?>", Style); 2873 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2874 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2875 2876 Tokens = annotate("cond? id : id2", Style); 2877 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2878 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2879 2880 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2881 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2882 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2883 } 2884 2885 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2886 auto Tokens = annotate("{ x: break; }"); 2887 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2888 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2889 2890 Tokens = annotate("{ case x: break; }"); 2891 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2892 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2893 2894 Tokens = annotate("{ x: { break; } }"); 2895 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2896 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2897 2898 Tokens = annotate("{ case x: { break; } }"); 2899 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2900 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2901 2902 Tokens = annotate("#define FOO label:"); 2903 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2904 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2905 2906 Tokens = annotate("#define FOO \\\n" 2907 "label: \\\n" 2908 " break;"); 2909 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2910 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2911 } 2912 2913 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2914 // The closing braces are not annotated. It doesn't seem to cause a problem. 2915 // So we only test for the opening braces. 2916 auto Tokens = annotate("{\n" 2917 " {\n" 2918 " { int a = 0; }\n" 2919 " }\n" 2920 " {}\n" 2921 "}"); 2922 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2923 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2924 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2925 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2926 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2927 } 2928 2929 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2930 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2931 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2932 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2933 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2934 2935 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2936 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2937 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2938 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2939 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2940 2941 Tokens = annotate("SomeStruct {\n" 2942 "#ifdef FOO\n" 2943 " .a = 1,\n" 2944 "#endif\n" 2945 " .b = 2\n" 2946 "};"); 2947 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2948 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2949 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2950 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2951 2952 Tokens = annotate("SomeStruct {\n" 2953 "#if defined FOO\n" 2954 " .a = 1,\n" 2955 "#endif\n" 2956 " .b = 2\n" 2957 "};"); 2958 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2959 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2960 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2961 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2962 2963 Tokens = annotate("Foo foo[] = {[0]{}};"); 2964 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2965 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2966 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2967 } 2968 2969 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2970 auto Annotate = [this](StringRef Code) { 2971 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2972 }; 2973 2974 // Dictionary. 2975 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2976 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2977 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2978 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2979 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2980 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2981 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2982 // Change when we need to annotate these. 2983 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2984 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2985 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2986 } 2987 2988 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2989 auto Tokens = annotate("bool foo __attribute__((unused));"); 2990 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2991 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2992 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2993 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2994 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2995 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2996 2997 Tokens = annotate("bool foo __declspec(dllimport);"); 2998 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2999 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3000 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3001 3002 Tokens = annotate("bool __attribute__((unused)) foo;"); 3003 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3004 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3005 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3006 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3007 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3008 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 3009 3010 Tokens = annotate("void __attribute__((x)) Foo();"); 3011 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3012 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3013 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3014 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3015 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3016 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 3017 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 3018 3019 FormatStyle Style = getLLVMStyle(); 3020 Style.AttributeMacros.push_back("FOO"); 3021 Tokens = annotate("bool foo FOO(unused);", Style); 3022 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3023 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 3024 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3025 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3026 } 3027 3028 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 3029 auto Tokens = annotate("while (true) {}"); 3030 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3031 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3032 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3033 3034 Tokens = annotate("for (;;) {}"); 3035 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3036 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 3037 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 3038 3039 Tokens = annotate("do {} while (true);"); 3040 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3041 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3042 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3043 3044 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3045 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3046 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3047 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3048 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3049 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3050 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3051 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3052 3053 Tokens = annotate("switch (foo) {}"); 3054 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3055 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3056 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3057 } 3058 3059 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3060 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3061 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3062 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3063 3064 Tokens = annotate("do ++i; while ( i > 5 );"); 3065 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3066 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3067 } 3068 3069 TEST_F(TokenAnnotatorTest, StartOfName) { 3070 auto Tokens = annotate("#pragma clang diagnostic push"); 3071 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3072 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3073 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3074 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3075 3076 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3077 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3078 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3079 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3080 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3081 3082 Tokens = annotate("#define FOO Foo foo"); 3083 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3084 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3085 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3086 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3087 3088 Tokens = annotate("@interface NSCoder (TestCoder)"); 3089 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3090 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3091 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3092 3093 auto Style = getLLVMStyle(); 3094 Style.StatementAttributeLikeMacros.push_back("emit"); 3095 Tokens = annotate("emit foo = 0;", Style); 3096 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3097 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3098 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3099 } 3100 3101 TEST_F(TokenAnnotatorTest, BraceKind) { 3102 auto Tokens = annotate("void f() {};"); 3103 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3104 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3105 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3106 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3107 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3108 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3109 3110 Tokens = annotate("class Foo<int> f() {}"); 3111 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3112 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3113 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3114 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3115 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3116 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3117 3118 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3119 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3120 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3121 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3122 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3123 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3124 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3125 3126 Tokens = annotate("void f() override {};"); 3127 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3128 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3129 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3130 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3131 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3132 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3133 3134 Tokens = annotate("void f() noexcept(false) {};"); 3135 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3136 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3137 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3138 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3139 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3140 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3141 3142 Tokens = annotate("auto f() -> void {};"); 3143 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3144 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3145 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3146 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3147 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3148 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3149 3150 Tokens = annotate("void f() { /**/ };"); 3151 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3152 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3153 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3154 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3155 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3156 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3157 3158 Tokens = annotate("void f() { //\n" 3159 "};"); 3160 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3161 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3162 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3163 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3164 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3165 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3166 3167 Tokens = annotate("void f() {\n" 3168 " //\n" 3169 "};"); 3170 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3171 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3172 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3173 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3174 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3175 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3176 3177 Tokens = annotate("struct Foo {\n" 3178 " Foo() {};\n" 3179 " ~Foo() {};\n" 3180 "};"); 3181 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3182 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3183 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3184 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3185 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3186 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3187 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3188 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3189 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3190 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3191 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3192 3193 Tokens = annotate("{\n" 3194 " char *a[] = {\n" 3195 " /* abc */ \"abc\",\n" 3196 "#if FOO\n" 3197 " /* xyz */ \"xyz\",\n" 3198 "#endif\n" 3199 " /* last */ \"last\"};\n" 3200 "}"); 3201 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3202 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3203 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3204 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3205 3206 Tokens = 3207 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3208 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3209 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3210 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3211 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3212 3213 Tokens = annotate("struct {};"); 3214 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3215 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3216 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3217 3218 Tokens = annotate("struct : Base {};"); 3219 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3220 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3221 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3222 3223 Tokens = annotate("struct Foo {};"); 3224 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3225 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3226 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3227 3228 Tokens = annotate("struct ::Foo {};"); 3229 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3230 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3231 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3232 3233 Tokens = annotate("struct NS::Foo {};"); 3234 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3235 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3236 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3237 3238 Tokens = annotate("struct Foo<int> {};"); 3239 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3240 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3241 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3242 3243 Tokens = annotate("struct Foo<int>::Bar {};"); 3244 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3245 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3246 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3247 3248 Tokens = annotate("struct Foo<int> : Base {};"); 3249 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3250 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3251 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3252 3253 Tokens = annotate("struct Foo final {};"); 3254 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3255 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3256 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3257 3258 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3259 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3260 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3261 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3262 3263 Tokens = annotate("struct Foo x{};"); 3264 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3265 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3266 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3267 3268 Tokens = annotate("struct ::Foo x{};"); 3269 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3270 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3271 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3272 3273 Tokens = annotate("struct NS::Foo x{};"); 3274 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3275 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3276 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3277 3278 Tokens = annotate("struct Foo<int> x{};"); 3279 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3280 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3281 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3282 3283 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3284 "#else\n" 3285 "#endif\n" 3286 "class RenderingServer : Object {\n" 3287 "#ifndef DISABLE_DEPRECATED\n" 3288 " enum Features {\n" 3289 " FEATURE_SHADERS,\n" 3290 " FEATURE_MULTITHREADED,\n" 3291 " };\n" 3292 "#endif\n" 3293 "};"); 3294 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3295 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3296 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3297 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3298 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3299 3300 Tokens = annotate("{\n" 3301 "#define M(x) \\\n" 3302 " return {#x};\n" 3303 "}"); 3304 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3305 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3306 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3307 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3308 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3309 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3310 3311 Tokens = annotate("a = class extends goog.a {};", 3312 getGoogleStyle(FormatStyle::LK_JavaScript)); 3313 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3314 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3315 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3316 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3317 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3318 3319 Tokens = annotate("a = class Foo extends goog.a {};", 3320 getGoogleStyle(FormatStyle::LK_JavaScript)); 3321 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3322 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_ClassLBrace); 3323 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3324 EXPECT_TOKEN(Tokens[9], tok::r_brace, TT_ClassRBrace); 3325 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3326 3327 Tokens = annotate("#define FOO(X) \\\n" 3328 " struct X##_tag_ {};"); 3329 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3330 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3331 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3332 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3333 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3334 3335 Tokens = annotate("#define MACRO \\\n" 3336 " struct hash<type> { \\\n" 3337 " void f() { return; } \\\n" 3338 " };"); 3339 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3340 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3341 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3342 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3343 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3344 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3345 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3346 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3347 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3348 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3349 3350 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3351 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3352 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3353 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3354 } 3355 3356 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3357 auto Tokens = annotate("auto foo() -> enum En {}"); 3358 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3359 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3360 } 3361 3362 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3363 auto Tokens = annotate("{\n" 3364 " {\n" 3365 " foo();\n" 3366 " }\n" 3367 "}"); 3368 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3369 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3370 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3371 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3372 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3373 3374 Tokens = annotate("void bar() {\n" 3375 " {\n" 3376 " foo();\n" 3377 " }\n" 3378 "}"); 3379 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3380 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3381 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3382 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3383 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3384 3385 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3386 getLLVMStyle(FormatStyle::LK_ObjC)); 3387 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3388 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3389 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3390 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3391 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3392 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3393 } 3394 3395 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3396 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3397 auto Tokens = annotate("i = switch (day) {\n" 3398 " case THURSDAY, SATURDAY -> 8;\n" 3399 " case WEDNESDAY -> 9;\n" 3400 " default -> 1;\n" 3401 "};", 3402 Style); 3403 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3404 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3405 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3406 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3407 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3408 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3409 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3410 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3411 } 3412 3413 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3414 auto Tokens = annotate("a = b and c;"); 3415 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3416 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3417 3418 Tokens = annotate("a = b and_eq c;"); 3419 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3420 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3421 3422 Tokens = annotate("a = b bitand c;"); 3423 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3424 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3425 3426 Tokens = annotate("a = b bitor c;"); 3427 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3428 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3429 3430 Tokens = annotate("a = b compl c;"); 3431 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3432 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3433 3434 Tokens = annotate("a = b not c;"); 3435 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3436 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3437 3438 Tokens = annotate("a = b not_eq c;"); 3439 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3440 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3441 3442 Tokens = annotate("a = b or c;"); 3443 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3444 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3445 3446 Tokens = annotate("a = b or_eq c;"); 3447 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3448 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3449 3450 Tokens = annotate("a = b xor c;"); 3451 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3452 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3453 3454 Tokens = annotate("a = b xor_eq c;"); 3455 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3456 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3457 3458 Tokens = annotate("xor = foo;"); 3459 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3460 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3461 3462 Tokens = annotate("int xor = foo;"); 3463 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3464 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3465 } 3466 3467 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3468 auto Tokens = 3469 annotate("Foo::Foo(int x, int y) try\n" 3470 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3471 "} catch (...) {\n" 3472 "}"); 3473 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3474 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3475 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3476 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3477 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3478 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3479 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3480 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3481 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3482 } 3483 3484 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3485 auto Style = getLLVMStyle(); 3486 Style.TypenameMacros.push_back("STRUCT"); 3487 3488 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3489 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3490 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3491 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3492 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3493 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3494 } 3495 3496 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3497 auto Style = getGNUStyle(); 3498 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3499 3500 auto Tokens = annotate("return 1 <=> 2;", Style); 3501 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3502 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3503 } 3504 3505 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3506 auto Style = getLLVMStyle(); 3507 Style.ColumnLimit = 20; 3508 3509 auto Tokens = annotate("class foo {\n" 3510 " auto bar()\n" 3511 " -> bool;\n" 3512 "};", 3513 Style); 3514 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3515 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3516 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3517 } 3518 3519 } // namespace 3520 } // namespace format 3521 } // namespace clang 3522