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 FormatStyle Style = getLLVMStyle(); 312 Style.TypeNames.push_back("MYI"); 313 Tokens = annotate("if (MYI *p{nullptr})", Style); 314 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 315 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 316 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 317 318 Style.TypeNames.push_back("Class"); 319 Tokens = annotate("if (Class *obj {getObj()})", Style); 320 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 321 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 322 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 323 324 Tokens = annotate("class Foo {\n" 325 " void operator<() {}\n" 326 " Foo &f;\n" 327 "};"); 328 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 329 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 330 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 331 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 332 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 333 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 334 335 Tokens = annotate("if (new && num) {\n" 336 " new = 1;\n" 337 "}\n" 338 "if (!delete && num) {\n" 339 " delete = 1;\n" 340 "}"); 341 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 342 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 343 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 344 345 Tokens = annotate("#define FOO \\\n" 346 " void foo() { f(a * b); }"); 347 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 348 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 349 350 Tokens = annotate("for (int i; Foo *&foo : foos)"); 351 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 352 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 353 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 354 EXPECT_TOKEN(Tokens[9], tok::colon, TT_RangeBasedForLoopColon); 355 356 Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };"); 357 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 358 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 359 360 Tokens = annotate("namespace {\n" 361 "#define FOO(x) void foo(a##x *b);\n" 362 "}"); 363 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 364 EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference); 365 366 Tokens = annotate("Thingy kConfig = {\n" 367 " 1,\n" 368 " (uint16_t)(kScale * height_pixels),\n" 369 "};"); 370 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 371 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_CastRParen); 372 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 373 374 Tokens = annotate("template <typename T>\n" 375 "concept C = requires(T a, T b) { a && b; };"); 376 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 377 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 378 EXPECT_TOKEN(Tokens[18], tok::ampamp, TT_BinaryOperator); 379 380 Tokens = annotate("template <typename T, typename V>\n" 381 "concept CheckMultiplicableBy = requires(T a, V b) {\n" 382 " { a * b } -> std::same_as<T>;\n" 383 "};"); 384 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 385 EXPECT_TOKEN(Tokens[19], tok::l_brace, TT_RequiresExpressionLBrace); 386 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_CompoundRequirementLBrace); 387 EXPECT_TOKEN(Tokens[22], tok::star, TT_BinaryOperator); 388 } 389 390 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 391 auto Tokens = annotate("x - 0"); 392 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 393 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 394 Tokens = annotate("0 + 0"); 395 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 397 Tokens = annotate("x + +0"); 398 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 399 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 400 Tokens = annotate("x ? -0 : +0"); 401 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 402 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 403 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 404 Tokens = annotate("(-0)"); 405 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 407 Tokens = annotate("0, -0"); 408 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 409 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 410 Tokens = annotate("for (; -1;) {\n}"); 411 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 412 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 413 Tokens = annotate("x = -1;"); 414 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 415 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 416 Tokens = annotate("x[-1]"); 417 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 418 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 419 Tokens = annotate("x = {-1};"); 420 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 421 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 422 Tokens = annotate("case -x:"); 423 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 424 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 425 Tokens = annotate("co_await -x;"); 426 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 427 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 428 Tokens = annotate("co_return -x;"); 429 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 430 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 431 Tokens = annotate("co_yield -x;"); 432 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 433 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 434 Tokens = annotate("delete -x;"); 435 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 436 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 437 Tokens = annotate("return -x;"); 438 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 439 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 440 Tokens = annotate("throw -x;"); 441 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 442 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 443 Tokens = annotate("sizeof -x"); 444 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 445 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 446 Tokens = annotate("co_await +x;"); 447 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 448 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 449 Tokens = annotate("co_return +x;"); 450 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 451 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 452 Tokens = annotate("co_yield +x;"); 453 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 454 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 455 Tokens = annotate("delete +x;"); 456 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 457 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 458 Tokens = annotate("return +x;"); 459 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 460 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 461 Tokens = annotate("throw +x;"); 462 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 463 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 464 Tokens = annotate("sizeof +x"); 465 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 466 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 467 Tokens = annotate("(int)-x"); 468 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 469 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 470 Tokens = annotate("(-x)"); 471 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 472 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 473 Tokens = annotate("!+x"); 474 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 475 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 476 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 477 } 478 479 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 480 auto Tokens = annotate("class C {};"); 481 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 482 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 483 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 484 485 Tokens = annotate("const class C {} c;"); 486 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 487 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 488 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 489 490 Tokens = annotate("const class {} c;"); 491 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 492 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 493 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 494 495 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 496 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 497 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 498 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 499 } 500 501 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 502 auto Tokens = annotate("struct S {};"); 503 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 504 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 505 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 506 507 Tokens = annotate("struct macro(a) S {};"); 508 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 509 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 510 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 511 512 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 513 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 514 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 515 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 516 517 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 518 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 519 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 520 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 521 522 Tokens = annotate("struct macro(a) S {\n" 523 " void f(T &t);\n" 524 "};"); 525 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 526 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 527 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 528 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 529 530 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 531 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 532 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 533 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 534 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 535 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 536 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 537 538 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 539 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 540 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 541 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 542 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 543 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 544 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 545 546 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 547 " void f(T const (&a)[n]);\n" 548 "};"); 549 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 550 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 551 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 552 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 553 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 554 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 555 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 556 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 557 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 558 559 Tokens = annotate("template <typename T, enum E e> struct S {};"); 560 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 561 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 562 563 auto Style = getLLVMStyle(); 564 Style.AttributeMacros.push_back("EXPORT"); 565 Tokens = annotate("struct EXPORT StructName {};", Style); 566 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 567 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 568 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 569 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 570 } 571 572 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 573 auto Tokens = annotate("union U {};"); 574 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 575 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 576 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 577 578 Tokens = annotate("union U { void f() { return; } };"); 579 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 580 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 581 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 582 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 583 } 584 585 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 586 auto Tokens = annotate("enum E {};"); 587 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 588 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 589 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 590 } 591 592 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 593 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 594 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 595 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 596 597 Tokens = annotate("template <typename T> void F(T) && = delete;"); 598 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 599 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 600 } 601 602 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 603 auto Tokens = 604 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 605 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 606 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 607 } 608 609 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 610 auto Tokens = 611 annotate("template <typename T> " 612 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 613 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 614 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 615 } 616 617 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 618 auto Tokens = 619 annotate("#define FOO(typeName) \\\n" 620 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 621 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 622 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 623 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 624 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 625 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 626 } 627 628 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 629 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 630 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 631 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 632 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 633 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 634 } 635 636 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 637 // IsExpression = false 638 auto Tokens = annotate("foo<true ? 1 : 2>();"); 639 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 640 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 641 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 642 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 643 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 644 645 // IsExpression = true 646 647 Tokens = annotate("return foo<true ? 1 : 2>();"); 648 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 649 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 650 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 651 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 652 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 653 654 Tokens = annotate("return foo<true ? 1 : 2>{};"); 655 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 656 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 657 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 658 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 659 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 660 } 661 662 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 663 auto Tokens = annotate("return a < b && c > d;"); 664 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 665 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 666 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 667 668 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 669 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 670 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 671 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 672 673 Tokens = annotate("return A < B ? true : A > B;"); 674 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 675 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 676 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 677 678 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 679 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 680 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 681 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 682 683 Tokens = annotate("return checklower ? a < b : a > b;"); 684 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 685 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 686 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 687 688 Tokens = annotate("return A < B ^ A > B;"); 689 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 690 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 691 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 692 693 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 694 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 695 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 696 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 697 } 698 699 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 700 auto Tokens = annotate("template <template <typename...> typename X,\n" 701 " template <typename...> class Y,\n" 702 " typename... T>\n" 703 "class A {};"); 704 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 705 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 706 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 707 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 708 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 709 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 710 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 711 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 712 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 713 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 714 } 715 716 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 717 FormatStyle Style = getLLVMStyle(); 718 Style.WhitespaceSensitiveMacros.push_back("FOO"); 719 720 auto Tokens = annotate("FOO(1+2 )", Style); 721 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 722 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 723 724 Tokens = annotate("FOO(a:b:c)", Style); 725 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 726 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 727 } 728 729 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 730 auto Tokens = annotate("delete (void *)p;"); 731 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 732 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 733 734 Tokens = annotate("delete[] (void *)p;"); 735 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 736 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 737 738 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 739 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 740 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 741 742 Tokens = annotate("delete[/*comment*/] (void *)p;"); 743 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 744 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 745 746 Tokens = annotate("delete/*comment*/[] (void *)p;"); 747 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 748 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 749 } 750 751 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 752 auto Tokens = annotate("(void)p;"); 753 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 754 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 755 756 Tokens = annotate("(uint32_t)&&label;"); 757 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 758 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 759 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 760 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 761 762 Tokens = annotate("auto x = (Foo)p;"); 763 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 764 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 765 766 Tokens = annotate("(std::vector<int>)p;"); 767 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 768 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 769 770 Tokens = annotate("return (Foo)p;"); 771 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 772 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 773 774 Tokens = annotate("throw (Foo)p;"); 775 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 776 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 777 778 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 779 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 780 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 781 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 782 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 783 784 Tokens = annotate("#define foo(i) ((i) - bar)"); 785 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 786 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 787 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 788 789 Tokens = annotate("return (Foo) & 10;"); 790 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 791 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 792 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 793 794 Tokens = annotate("return (struct foo){};"); 795 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 796 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 797 798 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 799 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 800 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 801 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 802 803 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 804 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 805 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 806 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 807 808 Tokens = annotate("func((void (*)())&a);"); 809 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 810 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 811 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 812 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 813 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 814 815 Tokens = annotate("int result = ((int)a) - b;"); 816 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 817 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 818 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 819 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 820 821 Tokens = annotate("return (double)(foo(30)) - 15;"); 822 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 823 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 824 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 825 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 826 827 Tokens = annotate("return (::Type)(1 + 2);"); 828 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 829 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 830 831 Tokens = annotate("return (Namespace::Class)(1 + 2);"); 832 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 833 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 834 835 Tokens = annotate("return (Foo (*)(void *, Bar, ...))&foo;"); 836 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 837 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionTypeLParen); 838 EXPECT_TOKEN(Tokens[14], tok::r_paren, TT_CastRParen); 839 EXPECT_TOKEN(Tokens[15], tok::amp, TT_UnaryOperator); 840 841 auto Style = getLLVMStyle(); 842 Style.TypeNames.push_back("Foo"); 843 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 844 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 845 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 846 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 847 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 848 } 849 850 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 851 auto Tokens = annotate("void f() throw(int);"); 852 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 853 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 854 } 855 856 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 857 auto Tokens = annotate("void f() &;"); 858 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 859 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 860 861 Tokens = annotate("void operator=(T) &&;"); 862 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 863 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 864 865 Tokens = annotate("template <typename T> void f() &;"); 866 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 867 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 868 869 Tokens = annotate("template <typename T> void operator=(T) &;"); 870 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 871 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 872 } 873 874 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 875 auto Tokens = annotate("x.operator+()"); 876 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 877 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 878 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 879 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 880 Tokens = annotate("x.operator=()"); 881 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 882 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 883 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 884 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 885 Tokens = annotate("x.operator+=()"); 886 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 887 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 888 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 889 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 890 Tokens = annotate("x.operator,()"); 891 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 892 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 893 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 894 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 895 Tokens = annotate("x.operator()()"); 896 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 897 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 898 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 899 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 900 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 901 Tokens = annotate("x.operator[]()"); 902 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 903 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 904 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 905 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 906 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 907 Tokens = annotate("x.operator\"\"_a()"); 908 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 909 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 910 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 911 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 912 Tokens = annotate("x.operator\"\" _a()"); 913 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 914 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 915 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 916 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 917 Tokens = annotate("x.operator\"\"if()"); 918 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 919 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 920 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 921 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 922 Tokens = annotate("x.operator\"\"s()"); 923 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 924 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 925 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 926 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 927 Tokens = annotate("x.operator\"\" s()"); 928 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 929 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 930 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 931 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 932 933 Tokens = annotate("int operator+(int);"); 934 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 935 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 936 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 937 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 938 Tokens = annotate("auto operator=(T&) {}"); 939 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 940 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 941 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 942 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 943 Tokens = annotate("auto operator()() {}"); 944 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 945 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 946 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 947 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 948 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 949 950 Tokens = annotate("class Foo {\n" 951 " int operator+(a* b);\n" 952 "}"); 953 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 954 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 955 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 956 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 957 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 958 959 Tokens = annotate("class Foo {\n" 960 " int c = operator+(a * b);\n" 961 "}"); 962 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 963 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 964 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 965 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 966 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 967 968 Tokens = annotate("void foo() {\n" 969 " operator+(a * b);\n" 970 "}"); 971 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 972 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 973 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 974 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 975 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 976 977 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 978 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 979 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 980 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 981 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 982 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 983 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 984 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 985 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 986 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 987 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 988 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 989 990 Tokens = annotate("class Foo {\n" 991 " void foo() {\n" 992 " operator+(a * b);\n" 993 " }\n" 994 "}"); 995 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 996 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 997 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 998 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 999 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 1000 1001 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 1002 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1003 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 1004 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1005 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 1006 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 1007 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 1008 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 1009 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 1010 1011 Tokens = annotate("decltype(auto) operator()(T &x);"); 1012 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1013 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 1014 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 1015 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 1016 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 1017 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 1018 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 1019 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 1020 1021 Tokens = annotate("friend ostream& ::operator<<(ostream& lhs, foo& rhs);"); 1022 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1023 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 1024 EXPECT_TOKEN(Tokens[5], tok::lessless, TT_OverloadedOperator); 1025 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 1026 EXPECT_TOKEN(Tokens[8], tok::amp, TT_PointerOrReference); 1027 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 1028 1029 Tokens = annotate("SomeLoooooooooooooooooType::Awaitable\n" 1030 "SomeLoooooooooooooooooType::operator co_await();"); 1031 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1032 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_FunctionDeclarationName); 1033 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 1034 } 1035 1036 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 1037 struct { 1038 const char *Text; 1039 tok::TokenKind Kind; 1040 } Operators[] = {{"+", tok::plus}, 1041 {"-", tok::minus}, 1042 // FIXME: 1043 // {"*", tok::star}, 1044 {"/", tok::slash}, 1045 {"%", tok::percent}, 1046 {"^", tok::caret}, 1047 // FIXME: 1048 // {"&", tok::amp}, 1049 {"|", tok::pipe}, 1050 {"~", tok::tilde}, 1051 {"!", tok::exclaim}, 1052 {"=", tok::equal}, 1053 // FIXME: 1054 // {"<", tok::less}, 1055 {">", tok::greater}, 1056 {"+=", tok::plusequal}, 1057 {"-=", tok::minusequal}, 1058 {"*=", tok::starequal}, 1059 {"/=", tok::slashequal}, 1060 {"%=", tok::percentequal}, 1061 {"^=", tok::caretequal}, 1062 {"&=", tok::ampequal}, 1063 {"|=", tok::pipeequal}, 1064 {"<<", tok::lessless}, 1065 {">>", tok::greatergreater}, 1066 {">>=", tok::greatergreaterequal}, 1067 {"<<=", tok::lesslessequal}, 1068 {"==", tok::equalequal}, 1069 {"!=", tok::exclaimequal}, 1070 {"<=", tok::lessequal}, 1071 {">=", tok::greaterequal}, 1072 {"<=>", tok::spaceship}, 1073 {"&&", tok::ampamp}, 1074 {"||", tok::pipepipe}, 1075 {"++", tok::plusplus}, 1076 {"--", tok::minusminus}, 1077 {",", tok::comma}, 1078 {"->*", tok::arrowstar}, 1079 {"->", tok::arrow}}; 1080 1081 for (const auto &Operator : Operators) { 1082 std::string Input("C<&operator"); 1083 Input += Operator.Text; 1084 Input += " > a;"; 1085 auto Tokens = annotate(std::string(Input)); 1086 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1087 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1088 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1089 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1090 } 1091 1092 auto Tokens = annotate("C<&operator< <X>> lt;"); 1093 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1094 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1095 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1096 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1097 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1098 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1099 } 1100 1101 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1102 auto Tokens = annotate("template <typename T>\n" 1103 "concept C = (Foo && Bar) && (Bar && Baz);"); 1104 1105 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1106 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1107 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1108 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1109 1110 Tokens = annotate("template <typename T>\n" 1111 "concept C = Foo && !Bar;"); 1112 1113 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1114 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1115 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1116 1117 Tokens = annotate("template <typename T>\n" 1118 "concept C = requires(T t) {\n" 1119 " { t.foo() };\n" 1120 "} && Bar<T> && Baz<T>;"); 1121 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1122 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1123 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1124 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1125 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1126 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1127 1128 Tokens = annotate("template<typename T>\n" 1129 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1130 "struct Foo;"); 1131 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1132 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1133 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1134 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1135 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1136 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1137 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1138 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1139 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1140 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1141 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1142 1143 Tokens = 1144 annotate("template<typename T>\n" 1145 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1146 "struct Foo;"); 1147 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1148 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1149 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1150 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1151 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1152 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1153 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1154 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1155 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1156 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1157 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1158 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1159 1160 Tokens = annotate("template <typename T>\n" 1161 "void foo(T) noexcept requires Bar<T>;"); 1162 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1163 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1164 1165 Tokens = annotate("template <typename T>\n" 1166 "requires Bar<T> || Baz<T>\n" 1167 "auto foo(T) -> int;"); 1168 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1169 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1170 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1171 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1172 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1173 1174 Tokens = annotate("template <typename T>\n" 1175 "requires Bar<T>\n" 1176 "bool foo(T) { return false; }"); 1177 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1178 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1179 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1180 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1181 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1182 1183 Tokens = annotate("template <typename T>\n" 1184 "requires Bar<T>\n" 1185 "decltype(auto) foo(T) { return false; }"); 1186 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1187 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1188 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1189 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1190 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1191 1192 Tokens = annotate("template <typename T>\n" 1193 "struct S {\n" 1194 " void foo() const requires Bar<T>;\n" 1195 " void bar() const & requires Baz<T>;\n" 1196 " void bar() && requires Baz2<T>;\n" 1197 " void baz() const & noexcept requires Baz<T>;\n" 1198 " void baz() && noexcept requires Baz2<T>;\n" 1199 "};\n" 1200 "\n" 1201 "void S::bar() const & requires Baz<T> { }"); 1202 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1203 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1204 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1205 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1206 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1207 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1208 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1209 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1210 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1211 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1212 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1213 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1214 1215 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1216 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1217 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1218 1219 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1220 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1221 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1222 1223 Tokens = 1224 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1225 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1226 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1227 1228 Tokens = annotate("void Class::member() && requires(typename " 1229 "Namespace::Outer<T>::Inner::Constant) {}"); 1230 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1231 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1232 1233 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1234 " template<class T>\n" 1235 " requires requires { number_zero_v<T>; }\n" 1236 " [[nodiscard]] constexpr operator T() const { " 1237 "return number_zero_v<T>; }\n" 1238 "};"); 1239 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1240 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1241 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1242 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1243 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1244 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1245 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1246 1247 Tokens = 1248 annotate("template <class A, class B> concept C =" 1249 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1250 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1251 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1252 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1253 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1254 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1255 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1256 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1257 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1258 1259 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1260 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1261 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1262 1263 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1264 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1265 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1266 1267 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1268 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1269 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1270 1271 Tokens = 1272 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1273 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1274 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1275 1276 Tokens = 1277 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1278 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1279 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1280 1281 Tokens = 1282 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1283 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1284 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1285 1286 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1287 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1288 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1289 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1290 1291 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1292 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1293 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1294 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1295 1296 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1297 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1298 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1299 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1300 1301 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1302 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1303 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1304 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1305 1306 Tokens = annotate("void f() & requires(true) {}"); 1307 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1308 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1309 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1310 1311 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1312 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1313 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1314 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1315 1316 Tokens = annotate("template <typename T>\n" 1317 "concept C = (!Foo<T>) && Bar;"); 1318 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1319 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1320 1321 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1322 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1323 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1324 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1325 1326 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1327 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1328 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1329 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1330 1331 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1332 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1333 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1334 1335 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1336 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1337 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1338 1339 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1340 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1341 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1342 1343 // Second function definition is required due to lookahead 1344 Tokens = annotate("void f() &\n" 1345 " requires(n == 1)\n" 1346 "{}\n" 1347 "void g();"); 1348 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1349 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1350 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1351 } 1352 1353 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1354 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1355 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1356 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1357 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1358 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1359 1360 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1361 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1362 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1363 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1364 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1365 1366 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1367 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1368 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1369 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1370 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1371 1372 Tokens = annotate("foo(requires(const T t) {});"); 1373 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1374 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1375 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1376 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1377 1378 Tokens = annotate("foo(requires(const int t) {});"); 1379 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1380 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1381 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1382 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1383 1384 Tokens = annotate("foo(requires(const T t) {});"); 1385 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1386 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1387 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1388 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1389 1390 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1391 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1392 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1393 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1394 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1395 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1396 1397 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1398 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1399 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1400 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1401 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1402 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1403 1404 Tokens = annotate("foo(requires(T& t) {});"); 1405 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1406 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1407 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1408 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1409 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1410 1411 Tokens = annotate("foo(requires(T&& t) {});"); 1412 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1413 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1414 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1415 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1416 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1417 1418 Tokens = annotate("bool foo = requires(T& t) {};"); 1419 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1420 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1421 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1422 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1423 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1424 1425 Tokens = annotate("bool foo = requires(T&& t) {};"); 1426 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1427 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1428 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1429 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1430 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1431 1432 Tokens = 1433 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1434 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1435 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1436 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1437 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1438 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1439 1440 Tokens = annotate("template <typename T>\n" 1441 "concept C = requires(T T) {\n" 1442 " requires Bar<T> && Foo<T>;\n" 1443 "};"); 1444 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1445 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1446 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1447 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1448 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1449 TT_RequiresClauseInARequiresExpression); 1450 1451 Tokens = annotate("template <typename T>\n" 1452 "concept C = requires(T T) {\n" 1453 " { t.func() } -> std::same_as<int>;" 1454 " requires Bar<T> && Foo<T>;\n" 1455 "};"); 1456 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1457 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1458 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1459 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1460 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1461 TT_RequiresClauseInARequiresExpression); 1462 1463 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1464 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1465 "requires true; };"); 1466 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1467 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1468 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1469 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1470 1471 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1472 " { c.foo(); }\n" 1473 "};"); 1474 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1475 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1476 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1477 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1478 } 1479 1480 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1481 // Everything after #pragma region should be ImplicitStringLiteral 1482 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1483 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1484 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1485 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1486 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1487 1488 // Make sure it's annotated correctly inside a function as well 1489 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1490 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1491 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1492 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1493 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1494 } 1495 1496 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1497 const char *BaseCode = nullptr; 1498 const char *ConstrainedCode = nullptr; 1499 auto BaseTokenCount = 0u; 1500 auto RequiresTokenCount = 0u; 1501 auto PrefixTokenCount = 0u; 1502 1503 auto TestRequires = [&](int Line) { 1504 const auto BaseTokens = annotate(BaseCode); 1505 const auto ConstrainedTokens = annotate(ConstrainedCode); 1506 1507 #define LINE " (Line " << Line << ')' 1508 1509 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1510 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1511 << LINE; 1512 1513 for (auto I = 0u; I < BaseTokenCount; ++I) { 1514 EXPECT_EQ( 1515 *BaseTokens[I], 1516 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1517 << I << LINE; 1518 } 1519 1520 #undef LINE 1521 }; 1522 1523 BaseCode = "template<typename T>\n" 1524 "T Pi = 3.14;"; 1525 ConstrainedCode = "template<typename T>\n" 1526 " requires Foo<T>\n" 1527 "T Pi = 3.14;"; 1528 BaseTokenCount = 11; 1529 RequiresTokenCount = 5; 1530 PrefixTokenCount = 5; 1531 TestRequires(__LINE__); 1532 1533 BaseCode = "template<typename T>\n" 1534 "struct Bar;"; 1535 ConstrainedCode = "template<typename T>\n" 1536 " requires Foo<T>\n" 1537 "struct Bar;"; 1538 BaseTokenCount = 9; 1539 TestRequires(__LINE__); 1540 1541 BaseCode = "template<typename T>\n" 1542 "struct Bar {\n" 1543 " T foo();\n" 1544 " T bar();\n" 1545 "};"; 1546 ConstrainedCode = "template<typename T>\n" 1547 " requires Foo<T>\n" 1548 "struct Bar {\n" 1549 " T foo();\n" 1550 " T bar();\n" 1551 "};"; 1552 BaseTokenCount = 21; 1553 TestRequires(__LINE__); 1554 1555 BaseCode = "template<typename T>\n" 1556 "Bar(T) -> Bar<T>;"; 1557 ConstrainedCode = "template<typename T>\n" 1558 " requires Foo<T>\n" 1559 "Bar(T) -> Bar<T>;"; 1560 BaseTokenCount = 16; 1561 TestRequires(__LINE__); 1562 1563 BaseCode = "template<typename T>\n" 1564 "T foo();"; 1565 ConstrainedCode = "template<typename T>\n" 1566 " requires Foo<T>\n" 1567 "T foo();"; 1568 BaseTokenCount = 11; 1569 TestRequires(__LINE__); 1570 1571 BaseCode = "template<typename T>\n" 1572 "T foo() {\n" 1573 " auto bar = baz();\n" 1574 " return bar + T{};\n" 1575 "}"; 1576 ConstrainedCode = "template<typename T>\n" 1577 " requires Foo<T>\n" 1578 "T foo() {\n" 1579 " auto bar = baz();\n" 1580 " return bar + T{};\n" 1581 "}"; 1582 BaseTokenCount = 26; 1583 TestRequires(__LINE__); 1584 1585 BaseCode = "template<typename T>\n" 1586 "T foo();"; 1587 ConstrainedCode = "template<typename T>\n" 1588 "T foo() requires Foo<T>;"; 1589 BaseTokenCount = 11; 1590 PrefixTokenCount = 9; 1591 TestRequires(__LINE__); 1592 1593 BaseCode = "template<typename T>\n" 1594 "T foo() {\n" 1595 " auto bar = baz();\n" 1596 " return bar + T{};\n" 1597 "}"; 1598 ConstrainedCode = "template<typename T>\n" 1599 "T foo() requires Foo<T> {\n" 1600 " auto bar = baz();\n" 1601 " return bar + T{};\n" 1602 "}"; 1603 BaseTokenCount = 26; 1604 TestRequires(__LINE__); 1605 1606 BaseCode = "template<typename T>\n" 1607 "T foo();"; 1608 ConstrainedCode = "template<typename T>\n" 1609 " requires(Foo<T>)\n" 1610 "T foo();"; 1611 BaseTokenCount = 11; 1612 RequiresTokenCount = 7; 1613 PrefixTokenCount = 5; 1614 TestRequires(__LINE__); 1615 1616 BaseCode = "template<typename T>\n" 1617 "Bar(T) -> Bar<typename T::I>;"; 1618 ConstrainedCode = "template<typename T>\n" 1619 " requires requires(T &&t) {\n" 1620 " typename T::I;\n" 1621 " }\n" 1622 "Bar(T) -> Bar<typename T::I>;"; 1623 BaseTokenCount = 19; 1624 RequiresTokenCount = 14; 1625 PrefixTokenCount = 5; 1626 TestRequires(__LINE__); 1627 1628 BaseCode = "struct [[nodiscard]] zero_t {\n" 1629 " template<class T>\n" 1630 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1631 "};"; 1632 ConstrainedCode = 1633 "struct [[nodiscard]] zero_t {\n" 1634 " template<class T>\n" 1635 " requires requires { v<T>; }\n" 1636 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1637 "};"; 1638 BaseTokenCount = 35; 1639 RequiresTokenCount = 9; 1640 PrefixTokenCount = 13; 1641 TestRequires(__LINE__); 1642 1643 BaseCode = "constexpr Foo(Foo const &other)\n" 1644 " : value{other.value} {\n" 1645 " do_magic();\n" 1646 " do_more_magic();\n" 1647 "}"; 1648 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1649 " requires std::is_copy_constructible<T>\n" 1650 " : value{other.value} {\n" 1651 " do_magic();\n" 1652 " do_more_magic();\n" 1653 "}"; 1654 BaseTokenCount = 26; 1655 RequiresTokenCount = 7; 1656 PrefixTokenCount = 8; 1657 TestRequires(__LINE__); 1658 1659 BaseCode = "constexpr Foo(Foo const &other)\n" 1660 " : value{other.value} {\n" 1661 " do_magic();\n" 1662 " do_more_magic();\n" 1663 "}"; 1664 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1665 " requires (std::is_copy_constructible<T>)\n" 1666 " : value{other.value} {\n" 1667 " do_magic();\n" 1668 " do_more_magic();\n" 1669 "}"; 1670 RequiresTokenCount = 9; 1671 TestRequires(__LINE__); 1672 1673 BaseCode = "template<typename T>\n" 1674 "ANNOTATE(\"S\"\n" 1675 " \"S\")\n" 1676 "void foo();"; 1677 ConstrainedCode = "template<typename T>\n" 1678 " requires(true)\n" 1679 "ANNOTATE(\"S\"\n" 1680 " \"S\")\n" 1681 "void foo();"; 1682 BaseTokenCount = 16; 1683 RequiresTokenCount = 4; 1684 PrefixTokenCount = 5; 1685 TestRequires(__LINE__); 1686 } 1687 1688 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1689 auto Tokens = annotate("__asm{\n" 1690 "\"a\":\n" 1691 ": x\n" 1692 ":};"); 1693 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1694 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1695 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1696 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1697 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1698 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1699 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1700 1701 Tokens = annotate("__asm(\n" 1702 "\"a\":\n" 1703 ": x\n" 1704 ":);"); 1705 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1706 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1707 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1708 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1709 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1710 1711 Tokens = annotate("asm volatile (\n" 1712 "\"a_label:\"\n" 1713 ":\n" 1714 ": x\n" 1715 ":);"); 1716 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1717 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1718 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1719 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1720 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1721 1722 Tokens = annotate("__asm__(\n" 1723 "\"a_label:\"\n" 1724 ": x\n" 1725 ":\n" 1726 ": y);"); 1727 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1728 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1729 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1730 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1731 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1732 1733 Tokens = annotate("__asm volatile (\n" 1734 "\"a_label:\"\n" 1735 "\"a b c(%%x)\"\n" 1736 ":\n" 1737 ": x\n" 1738 ":);"); 1739 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1740 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1741 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1742 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1743 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1744 1745 Tokens = annotate("asm(\n" 1746 "\"insn\"\n" 1747 ": \"=r\" (var1), \"=&r\" (value)\n" 1748 ":\n" 1749 ": \"memory\");"); 1750 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1751 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1752 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1753 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1754 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1755 1756 Tokens = annotate("__asm__ volatile (\n" 1757 "\"ldr r1, [r0, %%[sym]]\"\n" 1758 ":\n" 1759 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1760 ");"); 1761 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1762 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1763 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1764 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1765 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1766 } 1767 1768 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1769 auto Tokens = annotate("int (^)() = ^ ()\n" 1770 " external_source_symbol() { //\n" 1771 " return 1;\n" 1772 "};"); 1773 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1774 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1775 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1776 1777 Tokens = annotate("int *p = ^int*(){ //\n" 1778 " return nullptr;\n" 1779 "}();"); 1780 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1781 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1782 1783 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1784 " return a;\n" 1785 "};"); 1786 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1787 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1788 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1789 } 1790 1791 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1792 auto Tokens = annotate("void f() {\n" 1793 " //\n" 1794 " BOOL a = [b.c n] > 1;\n" 1795 "}"); 1796 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1797 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1798 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1799 } 1800 1801 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1802 auto Tokens = annotate("[]() constexpr {}"); 1803 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1804 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1805 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1806 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1807 1808 Tokens = annotate("[]() consteval {}"); 1809 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1810 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1811 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1812 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1813 1814 Tokens = annotate("[]() mutable {}"); 1815 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1816 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1817 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1818 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1819 1820 Tokens = annotate("[]() static {}"); 1821 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1822 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1823 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1824 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1825 1826 Tokens = annotate("[]() -> auto {}"); 1827 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1828 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1829 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1830 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1831 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1832 1833 Tokens = annotate("[]() -> auto & {}"); 1834 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1835 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1836 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1837 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1838 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1839 1840 Tokens = annotate("[]() -> auto * {}"); 1841 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1842 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1843 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1844 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1845 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1846 1847 Tokens = annotate("[] {}"); 1848 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1849 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1850 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1851 1852 Tokens = annotate("[] noexcept {}"); 1853 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1854 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1855 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1856 1857 Tokens = annotate("[] -> auto {}"); 1858 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1859 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1860 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1861 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1862 1863 Tokens = annotate("[] -> struct S { return {}; }"); 1864 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1865 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1866 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1867 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1868 1869 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1870 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1871 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1872 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1873 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1874 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1875 1876 Tokens = annotate("[] <typename T> () {}"); 1877 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1878 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1879 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1880 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1881 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1882 1883 Tokens = annotate("[] <typename T> {}"); 1884 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1885 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1886 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1887 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1888 1889 Tokens = annotate("[] <typename... T> () {}"); 1890 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1891 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1892 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1893 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1894 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1895 1896 Tokens = annotate("[] <typename... T> {}"); 1897 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1898 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1899 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1900 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1901 1902 Tokens = annotate("[] <int... T> () {}"); 1903 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1904 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1905 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1906 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1907 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1908 1909 Tokens = annotate("[] <int... T> {}"); 1910 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1911 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1912 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1913 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1914 1915 Tokens = annotate("[] <Foo... T> () {}"); 1916 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1917 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1918 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1919 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1920 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1921 1922 Tokens = annotate("[] <Foo... T> {}"); 1923 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1924 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1925 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1926 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1927 1928 // Lambdas with a requires-clause 1929 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1930 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1931 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1932 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1933 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1934 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1935 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1936 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1937 1938 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1939 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1940 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1941 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1942 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1943 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1944 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1945 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1946 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1947 1948 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1949 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1950 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1951 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1952 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1953 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1954 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1955 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1956 1957 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1958 ASSERT_EQ(Tokens.size(), 20u) << 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::l_paren, TT_LambdaDefinitionLParen); 1962 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1963 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1964 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1965 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1966 1967 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1968 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1969 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1970 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1971 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1972 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1973 // FIXME: 1974 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1975 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1976 1977 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1978 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1979 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1980 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1981 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1982 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1983 // FIXME: 1984 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1985 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1986 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1987 1988 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1989 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1990 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1991 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1992 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1993 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1994 // FIXME: 1995 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1996 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1997 1998 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1999 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2000 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2001 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2002 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2003 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 2004 // FIXME: 2005 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2006 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 2007 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 2008 2009 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 2010 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2011 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2012 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2013 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2014 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2015 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 2016 2017 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 2018 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2019 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2020 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2021 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2022 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2023 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2024 2025 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 2026 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2027 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2028 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2029 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2030 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2031 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 2032 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 2033 2034 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 2035 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 2036 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2037 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2038 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2039 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2040 // FIXME: 2041 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 2042 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 2043 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 2044 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 2045 2046 Tokens = annotate("[] <typename T = int> (T t) {}"); 2047 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2048 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2049 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2050 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2051 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2052 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2053 2054 Tokens = annotate("[] <int I = 0> (T t) {}"); 2055 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2056 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2057 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2058 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2059 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2060 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2061 2062 Tokens = annotate("[] <bool b = false> (T t) {}"); 2063 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2064 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2065 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2066 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2067 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2068 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2069 2070 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 2071 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2072 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2073 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2074 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 2075 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 2076 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 2077 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 2078 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 2079 2080 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2081 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2082 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2083 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2084 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2085 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2086 // FIXME: 2087 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2088 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2089 } 2090 2091 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2092 auto Tokens = annotate("template <typename T>\n" 2093 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2094 "string OldFunction(const string ¶meter) {}"); 2095 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2096 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2097 2098 Tokens = annotate("template <typename T>\n" 2099 "A(T) noexcept;"); 2100 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2101 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2102 2103 Tokens = annotate("FOO(bar)();"); 2104 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2105 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2106 } 2107 2108 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2109 auto Tokens = annotate("void f [[noreturn]] ();"); 2110 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2111 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2112 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2113 2114 Tokens = annotate("void f [[noreturn]] () {}"); 2115 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2116 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2117 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2118 2119 Tokens = annotate("#define FOO Foo::\n" 2120 "FOO Foo();"); 2121 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2122 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2123 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2124 2125 Tokens = annotate("struct Foo {\n" 2126 " Bar (*func)();\n" 2127 "};"); 2128 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2129 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2130 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2131 2132 Tokens = annotate("void instanceof();"); 2133 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2134 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2135 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2136 2137 Tokens = annotate("int iso_time(time_t);"); 2138 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2139 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2140 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2141 2142 auto Style = getLLVMStyle(); 2143 Style.TypeNames.push_back("MyType"); 2144 Tokens = annotate("int iso_time(MyType);", Style); 2145 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2146 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2147 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2148 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2149 } 2150 2151 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2152 auto Tokens = annotate("class Foo { public: Foo(); };"); 2153 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2154 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2155 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2156 2157 Tokens = annotate("class Foo { public: ~Foo(); };"); 2158 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2159 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2160 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2161 2162 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2163 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2164 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2165 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2166 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2167 2168 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2169 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2170 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2171 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2172 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2173 2174 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2175 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2176 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2177 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2178 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2179 2180 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2181 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2182 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2183 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2184 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2185 2186 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2187 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2188 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2189 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2190 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2191 2192 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2193 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2194 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2195 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2196 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2197 2198 Tokens = annotate("Foo::Foo() {}"); 2199 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2200 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2201 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2202 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2203 2204 Tokens = annotate("Foo::~Foo() {}"); 2205 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2206 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2207 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2208 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2209 2210 Tokens = annotate("struct Test {\n" 2211 " Test()\n" 2212 " : l([] {\n" 2213 " Short::foo();\n" 2214 " }) {}\n" 2215 "};"); 2216 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2217 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2218 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2219 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2220 } 2221 2222 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2223 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2224 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2225 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2226 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2227 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2228 } 2229 2230 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2231 auto Tokens = annotate("auto f() -> int;"); 2232 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2233 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2234 2235 Tokens = annotate("auto operator->() -> int;"); 2236 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2237 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2238 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2239 2240 Tokens = annotate("auto operator++(int) -> int;"); 2241 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2242 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2243 2244 Tokens = annotate("auto operator=() -> int;"); 2245 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2246 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2247 2248 Tokens = annotate("auto operator=(int) -> int;"); 2249 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2250 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2251 2252 Tokens = annotate("auto foo() -> auto { return Val; }"); 2253 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2254 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2255 2256 Tokens = annotate("struct S { auto bar() const -> int; };"); 2257 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2258 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2259 2260 // Not trailing return arrows 2261 Tokens = annotate("auto a = b->c;"); 2262 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2263 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2264 2265 Tokens = annotate("auto a = (b)->c;"); 2266 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2267 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2268 2269 Tokens = annotate("auto a = b()->c;"); 2270 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2271 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2272 2273 Tokens = annotate("auto a = b->c();"); 2274 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2275 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2276 2277 Tokens = annotate("decltype(auto) a = b()->c;"); 2278 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2279 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2280 2281 Tokens = annotate("void f() { auto a = b->c(); }"); 2282 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2283 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2284 2285 Tokens = annotate("void f() { auto a = b()->c; }"); 2286 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2287 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2288 2289 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2290 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2291 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2292 2293 Tokens = annotate("void f() FOO(foo->bar);"); 2294 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2295 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2296 2297 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2298 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2299 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2300 2301 Tokens = annotate("Class<Type>{foo}->func(arg);"); 2302 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2303 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not FunctionLBrace 2304 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2305 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2306 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2307 2308 auto Style = getLLVMStyle(); 2309 Style.StatementAttributeLikeMacros.push_back("emit"); 2310 Tokens = annotate("emit foo()->bar;", Style); 2311 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2312 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2313 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2314 2315 // Mixed 2316 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2317 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2318 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2319 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2320 } 2321 2322 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2323 auto Tokens = annotate("#define Foo(Bar) \\\n" 2324 " { \\\n" 2325 " #Bar \\\n" 2326 " }"); 2327 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2328 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2329 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2330 2331 Tokens = annotate("#define Foo(Bar) \\\n" 2332 " { #Bar }"); 2333 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2334 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2335 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2336 2337 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2338 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2339 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2340 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2341 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2342 } 2343 2344 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2345 // '__attribute__' has special handling. 2346 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2347 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2348 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2349 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2350 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2351 2352 // Generic macro has no special handling in this location. 2353 Tokens = annotate("A(X) void Foo(void);"); 2354 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2355 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2356 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2357 2358 // Add a custom AttributeMacro. Test that it has the same behavior. 2359 FormatStyle Style = getLLVMStyle(); 2360 Style.AttributeMacros.push_back("A"); 2361 2362 // An "AttributeMacro" gets annotated like '__attribute__'. 2363 Tokens = annotate("A(X) void Foo(void);", Style); 2364 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2365 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2366 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2367 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2368 } 2369 2370 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2371 // '__attribute__' has special handling. 2372 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2373 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2374 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2375 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2376 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2377 2378 // Generic macro has no special handling in this location. 2379 Tokens = annotate("A(X) @interface Foo"); 2380 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2381 // Note: Don't check token-type as a random token in this position is hard to 2382 // reason about. 2383 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2384 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2385 2386 // Add a custom AttributeMacro. Test that it has the same behavior. 2387 FormatStyle Style = getLLVMStyle(); 2388 Style.AttributeMacros.push_back("A"); 2389 2390 // An "AttributeMacro" gets annotated like '__attribute__'. 2391 Tokens = annotate("A(X) @interface Foo", Style); 2392 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2393 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2394 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2395 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2396 } 2397 2398 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2399 // '__attribute__' has special handling. 2400 auto Tokens = annotate("- (id)init __attribute__((X));"); 2401 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2402 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2403 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2404 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2405 2406 // Generic macro has no special handling in this location. 2407 Tokens = annotate("- (id)init A(X);"); 2408 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2409 // Note: Don't check token-type as a random token in this position is hard to 2410 // reason about. 2411 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2412 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2413 2414 // Add a custom AttributeMacro. Test that it has the same behavior. 2415 FormatStyle Style = getLLVMStyle(); 2416 Style.AttributeMacros.push_back("A"); 2417 2418 // An "AttributeMacro" gets annotated like '__attribute__'. 2419 Tokens = annotate("- (id)init A(X);", Style); 2420 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2421 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2422 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2423 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2424 } 2425 2426 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2427 // '__attribute__' has special handling. 2428 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2429 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2430 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2431 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2432 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2433 2434 // Generic macro has no special handling in this location. 2435 Tokens = annotate("@property(weak) id delegate A(X);"); 2436 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2437 // Note: Don't check token-type as a random token in this position is hard to 2438 // reason about. 2439 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2440 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2441 2442 // Add a custom AttributeMacro. Test that it has the same behavior. 2443 FormatStyle Style = getLLVMStyle(); 2444 Style.AttributeMacros.push_back("A"); 2445 2446 // An "AttributeMacro" gets annotated like '__attribute__'. 2447 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2448 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2449 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2450 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2451 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2452 } 2453 2454 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2455 auto Annotate = [this](StringRef Code) { 2456 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2457 }; 2458 // Test that unary operators get labeled as such and that operators like '++' 2459 // don't get split. 2460 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2461 tok::tilde, tok::amp, tok::pipe, 2462 tok::caret, tok::plusplus, tok::minusminus}; 2463 for (auto Kind : Unary) { 2464 auto Tokens = 2465 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2466 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2467 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2468 } 2469 // Operators formed by joining two operators like '^~'. For some of these 2470 // joined operators, we don't have a separate type, so we only test for their 2471 // precedence. 2472 std::pair<prec::Level, std::string> JoinedBinary[] = { 2473 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2474 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2475 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2476 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2477 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2478 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2479 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2480 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2481 {prec::Equality, "!="}, {prec::Equality, "==="}, 2482 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2483 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2484 {prec::ExclusiveOr, "^~"}, 2485 }; 2486 for (auto Operator : JoinedBinary) { 2487 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2488 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2489 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2490 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2491 } 2492 // '~^' and '^~' can be unary as well as binary operators. 2493 auto Tokens = Annotate("x = ~^x;"); 2494 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2495 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2496 Tokens = Annotate("x = ^~x;"); 2497 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2498 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2499 // The unary operators '~&' and '~|' can only be unary operators. The current 2500 // implementation treats each of them as separate unary '~' and '&' or '|' 2501 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2502 // there is a test that there is no space in between. And even if a new line 2503 // is inserted between the '~' and '|', the semantic meaning is the same as 2504 // the joined operator, so the CanBreakBefore property doesn't need to be 2505 // false for the second operator. 2506 Tokens = Annotate("x = ~&x;"); 2507 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2508 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2509 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2510 Tokens = Annotate("x = ~|x;"); 2511 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2512 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2513 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2514 // Test for block label colons. 2515 Tokens = Annotate("begin : x\n" 2516 "end : x"); 2517 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2518 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2519 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2520 // Test that the dimension colon is annotated correctly. 2521 Tokens = Annotate("var [1 : 0] x;"); 2522 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2523 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2524 Tokens = Annotate("extern function [1 : 0] x;"); 2525 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2526 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2527 Tokens = Annotate("module test\n" 2528 " (input wire [7 : 0] a[7 : 0]);\n" 2529 "endmodule"); 2530 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2531 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2532 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2533 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2534 // Test case labels and ternary operators. 2535 Tokens = Annotate("case (x)\n" 2536 " x:\n" 2537 " x;\n" 2538 "endcase"); 2539 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2540 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2541 Tokens = Annotate("case (x)\n" 2542 " x ? x : x:\n" 2543 " x;\n" 2544 "endcase"); 2545 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2546 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2547 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2548 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2549 // Non-blocking assignments. 2550 Tokens = Annotate("a <= b;"); 2551 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2552 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2553 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2554 Tokens = Annotate("if (a <= b) break;"); 2555 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2556 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2557 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2558 Tokens = Annotate("a <= b <= a;"); 2559 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2560 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2561 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2562 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2563 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2564 2565 // Port lists in module instantiation. 2566 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2567 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2568 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2569 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2570 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2571 "instance_2(port_2);"); 2572 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2573 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2574 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2575 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2576 2577 // Condition parentheses. 2578 Tokens = Annotate("assert (x);"); 2579 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2580 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2581 Tokens = Annotate("assert #0 (x);"); 2582 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2583 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2584 Tokens = Annotate("assert final (x);"); 2585 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2586 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2587 Tokens = Annotate("foreach (x[x]) continue;"); 2588 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2589 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2590 Tokens = Annotate("repeat (x[x]) continue;"); 2591 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2592 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2593 Tokens = Annotate("case (x) endcase;"); 2594 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2595 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2596 2597 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2598 // future, please adapt if those tokens get annotated. This test is only here 2599 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2600 Tokens = Annotate("always @(posedge x, posedge y);"); 2601 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2602 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2603 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2604 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2605 2606 // String literals in concatenation. 2607 Tokens = Annotate("x = {\"\"};"); 2608 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2609 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2610 Tokens = Annotate("x = {\"\", \"\"};"); 2611 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2612 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2613 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2614 Tokens = Annotate("x = '{{\"\"}};"); 2615 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2616 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2617 // Cases where the string should not be annotated that type. Fix the 2618 // `TT_Unknown` if needed in the future. 2619 Tokens = Annotate("x = {\"\" == \"\"};"); 2620 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2621 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2622 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2623 Tokens = Annotate("x = {(\"\")};"); 2624 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2625 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2626 Tokens = Annotate("x = '{\"\"};"); 2627 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2628 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2629 2630 // Module headers. 2631 Tokens = Annotate("module x();\n" 2632 "endmodule"); 2633 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2634 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogMultiLineListLParen); 2635 Tokens = Annotate("function automatic `x x();\n" 2636 "endmodule"); 2637 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2638 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_VerilogMultiLineListLParen); 2639 Tokens = Annotate("function automatic x``x x();\n" 2640 "endmodule"); 2641 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2642 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2643 Tokens = Annotate("function automatic x::x x();\n" 2644 "endmodule"); 2645 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2646 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2647 2648 // Escaped identifiers. 2649 Tokens = Annotate(R"(\busa+index)"); 2650 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2651 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2652 Tokens = Annotate(R"(\busa+index ;)"); 2653 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2654 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2655 EXPECT_EQ(Tokens[0]->TokenText, R"(\busa+index)"); 2656 EXPECT_TOKEN(Tokens[1], tok::semi, TT_Unknown); 2657 Tokens = Annotate(R"(\busa+index 2658 ;)"); 2659 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2660 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2661 EXPECT_TOKEN(Tokens[1], tok::semi, TT_Unknown); 2662 // The escaped identifier can be broken by an escaped newline. The result is 2663 // still 1 identifier. 2664 Tokens = Annotate(R"(\busa+index\ 2665 + 2666 ;)"); 2667 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2668 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2669 EXPECT_EQ(Tokens[0]->TokenText, R"(\busa+index\ 2670 +)"); 2671 EXPECT_TOKEN(Tokens[1], tok::semi, TT_Unknown); 2672 // An escaped newline should not be treated as an escaped identifier. 2673 Tokens = Annotate("\\\n"); 2674 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2675 EXPECT_TOKEN(Tokens[0], tok::eof, TT_Unknown); 2676 // Macros. 2677 Tokens = Annotate("`define x x``x"); 2678 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2679 EXPECT_TOKEN(Tokens[0], tok::hash, TT_Unknown); 2680 EXPECT_TOKEN(Tokens[4], tok::hashhash, TT_Unknown); 2681 } 2682 2683 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2684 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2685 ASSERT_TRUE(Style.isTableGen()); 2686 2687 TestLexer Lexer(Allocator, Buffers, Style); 2688 AdditionalKeywords Keywords(Lexer.IdentTable); 2689 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2690 2691 // Additional keywords representation test. 2692 auto Tokens = Annotate("def foo : Bar<1>;"); 2693 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2694 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2695 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2696 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2697 2698 // Code, the multiline string token. 2699 Tokens = Annotate("[{ code is multiline string }]"); 2700 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2701 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2702 EXPECT_FALSE(Tokens[0]->IsMultiline); 2703 // Case with multiple lines. 2704 Tokens = Annotate("[{ It can break\n" 2705 " across lines and the line breaks\n" 2706 " are retained in \n" 2707 " the string. }]"); 2708 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2709 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2710 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2711 EXPECT_TRUE(Tokens[0]->IsMultiline); 2712 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2713 2714 // Numeric literals. 2715 Tokens = Annotate("1234"); 2716 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2717 Tokens = Annotate("-1"); 2718 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2719 Tokens = Annotate("+1234"); 2720 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2721 Tokens = Annotate("0b0110"); 2722 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2723 Tokens = Annotate("0x1abC"); 2724 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2725 2726 // Identifier tokens. In TableGen, identifiers can begin with a number. 2727 // In ambiguous cases, the lexer tries to lex it as a number. 2728 // Even if the try fails, it does not fall back to identifier lexing and 2729 // regard as an error. 2730 // The ambiguity is not documented. The result of those tests are based on the 2731 // implementation of llvm::TGLexer::LexToken. 2732 // This is invalid syntax of number, but not an identifier. 2733 Tokens = Annotate("0x1234x"); 2734 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2735 Tokens = Annotate("identifier"); 2736 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2737 // Identifier beginning with a number. 2738 Tokens = Annotate("0x"); 2739 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2740 Tokens = Annotate("2dVector"); 2741 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2742 Tokens = Annotate("01234Vector"); 2743 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2744 2745 // Structured statements. 2746 Tokens = Annotate("class Foo {}"); 2747 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2748 Tokens = Annotate("def Def: Foo {}"); 2749 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2750 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2751 Tokens = Annotate("if cond then {} else {}"); 2752 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2753 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2754 Tokens = Annotate("defset Foo Def2 = {}"); 2755 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2756 2757 // Bang Operators. 2758 Tokens = Annotate("!foreach"); 2759 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2760 Tokens = Annotate("!if"); 2761 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2762 Tokens = Annotate("!cond"); 2763 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2764 2765 auto AnnotateValue = [this, &Style](StringRef Code) { 2766 // Values are annotated only in specific context. 2767 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2768 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2769 }; 2770 // Both of bang/cond operators. 2771 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2772 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2773 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2774 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2775 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2776 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2777 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2778 // DAGArg values with operator identifier 2779 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2780 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2781 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2782 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2783 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2784 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2785 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2786 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2787 // List literal 2788 Tokens = AnnotateValue("[1, 2, 3]"); 2789 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2790 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2791 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2792 // Suffixes of values 2793 Tokens = AnnotateValue("valid.field"); 2794 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2795 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2796 // Code 2797 Tokens = AnnotateValue("[{ code is multiline string }]"); 2798 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2799 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2800 2801 // The definition 2802 Tokens = annotate("def Def : Parent<Child> {}", Style); 2803 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2804 // We use inheritance colon and function brace. They are enough. 2805 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2806 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2807 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2808 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2809 2810 // DAGArg breaking options. They use different token types depending on what 2811 // is specified. 2812 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2813 2814 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2815 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2816 // elements to have line break. 2817 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2818 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2819 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2820 EXPECT_TOKEN(Tokens[1], tok::identifier, 2821 TT_TableGenDAGArgOperatorID); // ins 2822 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2823 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2824 2825 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2826 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2827 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2828 EXPECT_TOKEN(Tokens[1], tok::identifier, 2829 TT_TableGenDAGArgOperatorID); // other 2830 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2831 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2832 2833 // For non-identifier operators, breaks after the operator. 2834 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2835 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2836 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2837 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2838 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2839 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2840 2841 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2842 2843 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2844 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2845 // to have line break inside it. 2846 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2847 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2848 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2849 EXPECT_TOKEN(Tokens[1], tok::identifier, 2850 TT_TableGenDAGArgOperatorToBreak); // ins 2851 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2852 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2853 2854 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2855 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2856 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2857 EXPECT_TOKEN(Tokens[1], tok::identifier, 2858 TT_TableGenDAGArgOperatorToBreak); // other 2859 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2860 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2861 2862 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2863 // specified operators. 2864 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2865 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2866 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2867 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2868 EXPECT_TOKEN(Tokens[1], tok::identifier, 2869 TT_TableGenDAGArgOperatorToBreak); // ins 2870 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2871 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2872 2873 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2874 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2875 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2876 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2877 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2878 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2879 2880 // If TableGenBreakingDAGArgOperators is enabled, it uses 2881 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2882 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2883 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2884 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2885 EXPECT_TOKEN(Tokens[1], tok::identifier, 2886 TT_TableGenDAGArgOperatorToBreak); // ins 2887 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2888 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2889 2890 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2891 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2892 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2893 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2894 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2895 } 2896 2897 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2898 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2899 2900 // The TT_Unknown is clearly not binding for the future, please adapt if those 2901 // tokens get annotated. 2902 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2903 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2904 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2905 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2906 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2907 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2908 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2909 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2910 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2911 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2912 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2913 2914 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2915 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2916 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2917 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2918 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2919 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2920 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2921 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2922 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2923 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2924 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2925 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2926 2927 Tokens = annotate("class Class {\n" 2928 " Class() : BaseClass() {\n" 2929 "#if 0\n" 2930 " // comment\n" 2931 "#endif\n" 2932 " }\n" 2933 " Class f();\n" 2934 "}"); 2935 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2936 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2937 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2938 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2939 } 2940 2941 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2942 auto Tokens = annotate("if (x) {}"); 2943 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2944 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2945 Tokens = annotate("if constexpr (x) {}"); 2946 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2947 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2948 Tokens = annotate("if CONSTEXPR (x) {}"); 2949 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2950 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2951 Tokens = annotate("if (x) {} else if (x) {}"); 2952 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2953 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2954 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2955 } 2956 2957 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2958 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2959 2960 auto Tokens = annotate("int? a;", Style); 2961 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2962 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2963 2964 Tokens = annotate("int? a = 1;", Style); 2965 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2966 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2967 2968 Tokens = annotate("int?)", Style); 2969 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2970 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2971 2972 Tokens = annotate("int?>", Style); 2973 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2974 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2975 2976 Tokens = annotate("cond? id : id2", Style); 2977 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2978 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2979 2980 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2981 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2982 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2983 } 2984 2985 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2986 auto Tokens = annotate("{ x: break; }"); 2987 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2988 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2989 2990 Tokens = annotate("{ case x: break; }"); 2991 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2992 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2993 2994 Tokens = annotate("{ x: { break; } }"); 2995 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2996 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2997 2998 Tokens = annotate("{ case x: { break; } }"); 2999 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3000 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 3001 3002 Tokens = annotate("#define FOO label:"); 3003 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3004 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 3005 3006 Tokens = annotate("#define FOO \\\n" 3007 "label: \\\n" 3008 " break;"); 3009 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3010 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 3011 } 3012 3013 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 3014 // The closing braces are not annotated. It doesn't seem to cause a problem. 3015 // So we only test for the opening braces. 3016 auto Tokens = annotate("{\n" 3017 " {\n" 3018 " { int a = 0; }\n" 3019 " }\n" 3020 " {}\n" 3021 "}"); 3022 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3023 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3024 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3025 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3026 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3027 } 3028 3029 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 3030 auto Tokens = annotate("SomeStruct { .a = 1 };"); 3031 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3032 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3033 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 3034 3035 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 3036 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3037 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3038 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 3039 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 3040 3041 Tokens = annotate("SomeStruct {\n" 3042 "#ifdef FOO\n" 3043 " .a = 1,\n" 3044 "#endif\n" 3045 " .b = 2\n" 3046 "};"); 3047 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3048 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3049 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 3050 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 3051 3052 Tokens = annotate("SomeStruct {\n" 3053 "#if defined FOO\n" 3054 " .a = 1,\n" 3055 "#endif\n" 3056 " .b = 2\n" 3057 "};"); 3058 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3059 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3060 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 3061 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 3062 3063 Tokens = annotate("Foo foo[] = {[0]{}};"); 3064 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3065 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 3066 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3067 } 3068 3069 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 3070 auto Annotate = [this](StringRef Code) { 3071 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 3072 }; 3073 3074 // Dictionary. 3075 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 3076 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3077 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 3078 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 3079 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 3080 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 3081 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 3082 // Change when we need to annotate these. 3083 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 3084 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 3085 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 3086 } 3087 3088 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 3089 auto Tokens = annotate("bool foo __attribute__((unused));"); 3090 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3091 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3092 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3093 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 3094 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 3095 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 3096 3097 Tokens = annotate("bool foo __declspec(dllimport);"); 3098 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3099 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3100 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3101 3102 Tokens = annotate("bool __attribute__((unused)) foo;"); 3103 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3104 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3105 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3106 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3107 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3108 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 3109 3110 Tokens = annotate("void __attribute__((x)) Foo();"); 3111 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3112 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3113 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3114 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3115 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3116 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 3117 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 3118 3119 FormatStyle Style = getLLVMStyle(); 3120 Style.AttributeMacros.push_back("FOO"); 3121 Tokens = annotate("bool foo FOO(unused);", Style); 3122 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3123 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 3124 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3125 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3126 } 3127 3128 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 3129 auto Tokens = annotate("while (true) {}"); 3130 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3131 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3132 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3133 3134 Tokens = annotate("for (;;) {}"); 3135 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3136 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 3137 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 3138 3139 Tokens = annotate("do {} while (true);"); 3140 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3141 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3142 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3143 3144 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3145 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3146 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3147 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3148 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3149 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3150 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3151 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3152 3153 Tokens = annotate("switch (foo) {}"); 3154 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3155 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3156 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3157 } 3158 3159 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3160 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3161 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3162 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3163 3164 Tokens = annotate("do ++i; while ( i > 5 );"); 3165 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3166 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3167 } 3168 3169 TEST_F(TokenAnnotatorTest, StartOfName) { 3170 auto Tokens = annotate("#pragma clang diagnostic push"); 3171 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3172 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3173 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3174 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3175 3176 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3177 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3178 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3179 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3180 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3181 3182 Tokens = annotate("#define FOO Foo foo"); 3183 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3184 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3185 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3186 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3187 3188 Tokens = annotate("@interface NSCoder (TestCoder)"); 3189 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3190 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3191 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3192 3193 auto Style = getLLVMStyle(); 3194 Style.StatementAttributeLikeMacros.push_back("emit"); 3195 Tokens = annotate("emit foo = 0;", Style); 3196 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3197 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3198 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3199 } 3200 3201 TEST_F(TokenAnnotatorTest, BraceKind) { 3202 auto Tokens = annotate("void f() {};"); 3203 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3204 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3205 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3206 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3207 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3208 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3209 3210 Tokens = annotate("class Foo<int> f() {}"); 3211 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3212 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3213 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3214 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3215 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3216 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3217 3218 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3219 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3220 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3221 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3222 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3223 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3224 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3225 3226 Tokens = annotate("void f() override {};"); 3227 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3228 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3229 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3230 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3231 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3232 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3233 3234 Tokens = annotate("void f() noexcept(false) {};"); 3235 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3236 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3237 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3238 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3239 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3240 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3241 3242 Tokens = annotate("auto f() -> void {};"); 3243 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3244 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3245 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3246 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3247 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3248 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3249 3250 Tokens = annotate("void f() { /**/ };"); 3251 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3252 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3253 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3254 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3255 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3256 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3257 3258 Tokens = annotate("void f() { //\n" 3259 "};"); 3260 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3261 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3262 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3263 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3264 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3265 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3266 3267 Tokens = annotate("void f() {\n" 3268 " //\n" 3269 "};"); 3270 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3271 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3272 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3273 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3274 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3275 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3276 3277 Tokens = annotate("struct Foo {\n" 3278 " Foo() {};\n" 3279 " ~Foo() {};\n" 3280 "};"); 3281 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3282 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3283 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3284 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3285 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3286 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3287 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3288 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3289 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3290 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3291 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3292 3293 Tokens = annotate("{\n" 3294 " char *a[] = {\n" 3295 " /* abc */ \"abc\",\n" 3296 "#if FOO\n" 3297 " /* xyz */ \"xyz\",\n" 3298 "#endif\n" 3299 " /* last */ \"last\"};\n" 3300 "}"); 3301 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3302 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3303 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3304 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3305 3306 Tokens = 3307 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3308 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3309 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3310 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3311 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3312 3313 Tokens = annotate("struct {};"); 3314 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3315 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3316 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3317 3318 Tokens = annotate("struct : Base {};"); 3319 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3320 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3321 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3322 3323 Tokens = annotate("struct Foo {};"); 3324 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3325 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3326 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3327 3328 Tokens = annotate("struct ::Foo {};"); 3329 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3330 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3331 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3332 3333 Tokens = annotate("struct NS::Foo {};"); 3334 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3335 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3336 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3337 3338 Tokens = annotate("struct Foo<int> {};"); 3339 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3340 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3341 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3342 3343 Tokens = annotate("struct Foo<int>::Bar {};"); 3344 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3345 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3346 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3347 3348 Tokens = annotate("struct Foo<int> : Base {};"); 3349 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3350 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3351 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3352 3353 Tokens = annotate("struct Foo final {};"); 3354 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3355 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3356 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3357 3358 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3359 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3360 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3361 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3362 3363 Tokens = annotate("struct Foo x{};"); 3364 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3365 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3366 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3367 3368 Tokens = annotate("struct ::Foo x{};"); 3369 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3370 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3371 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3372 3373 Tokens = annotate("struct NS::Foo x{};"); 3374 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3375 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3376 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3377 3378 Tokens = annotate("struct Foo<int> x{};"); 3379 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3380 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3381 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3382 3383 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3384 "#else\n" 3385 "#endif\n" 3386 "class RenderingServer : Object {\n" 3387 "#ifndef DISABLE_DEPRECATED\n" 3388 " enum Features {\n" 3389 " FEATURE_SHADERS,\n" 3390 " FEATURE_MULTITHREADED,\n" 3391 " };\n" 3392 "#endif\n" 3393 "};"); 3394 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3395 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3396 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3397 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3398 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3399 3400 Tokens = annotate("{\n" 3401 "#define M(x) \\\n" 3402 " return {#x};\n" 3403 "}"); 3404 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3405 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3406 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3407 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3408 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3409 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3410 3411 Tokens = annotate("{\n" 3412 " {\n" 3413 "#define GEN_ID(_x) char *_x{#_x}\n" 3414 " GEN_ID(one);\n" 3415 " }\n" 3416 "}"); 3417 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 3418 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3419 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3420 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3421 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3422 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3423 EXPECT_BRACE_KIND(Tokens[14], BK_BracedInit); 3424 EXPECT_BRACE_KIND(Tokens[20], BK_Block); 3425 EXPECT_BRACE_KIND(Tokens[21], BK_Block); 3426 3427 Tokens = annotate("{\n" 3428 "#define FOO \\\n" 3429 " { \\\n" 3430 " case bar: { \\\n" 3431 " break; \\\n" 3432 " } \\\n" 3433 " }\n" 3434 "}"); 3435 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3436 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_BlockLBrace); 3437 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3438 EXPECT_TOKEN(Tokens[7], tok::colon, TT_CaseLabelColon); 3439 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3440 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3441 EXPECT_BRACE_KIND(Tokens[12], BK_Block); 3442 3443 Tokens = annotate("a = class extends goog.a {};", 3444 getGoogleStyle(FormatStyle::LK_JavaScript)); 3445 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3446 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3447 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3448 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3449 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3450 3451 Tokens = annotate("a = class Foo extends goog.a {};", 3452 getGoogleStyle(FormatStyle::LK_JavaScript)); 3453 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3454 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_ClassLBrace); 3455 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3456 EXPECT_TOKEN(Tokens[9], tok::r_brace, TT_ClassRBrace); 3457 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3458 3459 Tokens = annotate("#define FOO(X) \\\n" 3460 " struct X##_tag_ {};"); 3461 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3462 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3463 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3464 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3465 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3466 3467 Tokens = annotate("#define MACRO \\\n" 3468 " struct hash<type> { \\\n" 3469 " void f() { return; } \\\n" 3470 " };"); 3471 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3472 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3473 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3474 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3475 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3476 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3477 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3478 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3479 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3480 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3481 3482 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3483 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3484 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3485 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3486 } 3487 3488 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3489 auto Tokens = annotate("auto foo() -> enum En {}"); 3490 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3491 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3492 } 3493 3494 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3495 auto Tokens = annotate("{\n" 3496 " {\n" 3497 " foo();\n" 3498 " }\n" 3499 "}"); 3500 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3501 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3502 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3503 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3504 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3505 3506 Tokens = annotate("void bar() {\n" 3507 " {\n" 3508 " foo();\n" 3509 " }\n" 3510 "}"); 3511 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3512 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3513 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3514 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3515 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3516 3517 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3518 getLLVMStyle(FormatStyle::LK_ObjC)); 3519 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3520 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3521 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3522 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3523 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3524 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3525 } 3526 3527 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3528 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3529 auto Tokens = annotate("i = switch (day) {\n" 3530 " case THURSDAY, SATURDAY -> 8;\n" 3531 " case WEDNESDAY -> 9;\n" 3532 " default -> 1;\n" 3533 "};", 3534 Style); 3535 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3536 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3537 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3538 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3539 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3540 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3541 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3542 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3543 } 3544 3545 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3546 auto Tokens = annotate("a = b and c;"); 3547 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3548 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3549 3550 Tokens = annotate("a = b and_eq c;"); 3551 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3552 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3553 3554 Tokens = annotate("a = b bitand c;"); 3555 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3556 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3557 3558 Tokens = annotate("a = b bitor c;"); 3559 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3560 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3561 3562 Tokens = annotate("a = b compl c;"); 3563 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3564 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3565 3566 Tokens = annotate("a = b not c;"); 3567 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3568 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3569 3570 Tokens = annotate("a = b not_eq c;"); 3571 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3572 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3573 3574 Tokens = annotate("a = b or c;"); 3575 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3576 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3577 3578 Tokens = annotate("a = b or_eq c;"); 3579 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3580 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3581 3582 Tokens = annotate("a = b xor c;"); 3583 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3584 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3585 3586 Tokens = annotate("a = b xor_eq c;"); 3587 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3588 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3589 3590 Tokens = annotate("xor = foo;"); 3591 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3592 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3593 3594 Tokens = annotate("int xor = foo;"); 3595 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3596 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3597 } 3598 3599 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3600 auto Tokens = 3601 annotate("Foo::Foo(int x, int y) try\n" 3602 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3603 "} catch (...) {\n" 3604 "}"); 3605 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3606 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3607 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3608 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3609 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3610 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3611 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3612 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3613 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3614 } 3615 3616 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3617 auto Style = getLLVMStyle(); 3618 Style.TypenameMacros.push_back("STRUCT"); 3619 3620 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3621 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3622 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3623 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3624 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3625 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3626 } 3627 3628 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3629 auto Style = getGNUStyle(); 3630 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3631 3632 auto Tokens = annotate("return 1 <=> 2;", Style); 3633 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3634 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3635 } 3636 3637 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3638 auto Style = getLLVMStyle(); 3639 Style.ColumnLimit = 20; 3640 3641 auto Tokens = annotate("class foo {\n" 3642 " auto bar()\n" 3643 " -> bool;\n" 3644 "};", 3645 Style); 3646 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3647 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3648 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3649 } 3650 3651 TEST_F(TokenAnnotatorTest, TemplateName) { 3652 constexpr StringRef Code{"return Foo < A || B > (C ^ D);"}; 3653 3654 auto Tokens = annotate(Code); 3655 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3656 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 3657 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 3658 3659 auto Style = getLLVMStyle(); 3660 Style.TemplateNames.push_back("Foo"); 3661 3662 Tokens = annotate(Code, Style); 3663 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_TemplateName); 3664 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3665 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3666 } 3667 3668 TEST_F(TokenAnnotatorTest, TemplateInstantiation) { 3669 auto Tokens = annotate("return FixedInt<N | M>();"); 3670 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3671 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3672 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3673 3674 Tokens = annotate("return std::conditional_t<T::value == U::value, T, U>{};"); 3675 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3676 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 3677 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 3678 3679 Tokens = 3680 annotate("auto x{std::conditional_t<T::value == U::value, T, U>{}};"); 3681 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 3682 EXPECT_TOKEN(Tokens[6], tok::less, TT_TemplateOpener); 3683 EXPECT_TOKEN(Tokens[18], tok::greater, TT_TemplateCloser); 3684 } 3685 3686 TEST_F(TokenAnnotatorTest, VariableTemplate) { 3687 auto Style = getLLVMStyle(); 3688 Style.VariableTemplates.push_back("a"); 3689 3690 auto Tokens = annotate("auto t3 = (a<int>) + b;", Style); 3691 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3692 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VariableTemplate); 3693 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 3694 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 3695 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); // Not TT_CastRParen 3696 EXPECT_TOKEN(Tokens[9], tok::plus, TT_BinaryOperator); 3697 } 3698 3699 TEST_F(TokenAnnotatorTest, SwitchInMacroArgument) { 3700 auto Tokens = annotate("FOOBAR(switch);\n" 3701 "void f() {}"); 3702 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3703 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_FunctionLBrace); 3704 } 3705 3706 TEST_F(TokenAnnotatorTest, AfterPPDirective) { 3707 auto Tokens = annotate("#error -- My error message"); 3708 3709 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3710 EXPECT_TOKEN(Tokens[2], tok::minusminus, TT_AfterPPDirective); 3711 } 3712 3713 } // namespace 3714 } // namespace format 3715 } // namespace clang 3716