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 constexpr StringRef Code{"struct EXPORT StructName {};"}; 564 565 Tokens = annotate(Code); 566 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 567 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 568 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 569 570 auto Style = getLLVMStyle(); 571 Style.AttributeMacros.push_back("EXPORT"); 572 Tokens = annotate(Code, Style); 573 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 574 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 575 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 576 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 577 } 578 579 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 580 auto Tokens = annotate("union U {};"); 581 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 582 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 583 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 584 585 Tokens = annotate("union U { void f() { return; } };"); 586 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 587 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 588 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 589 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 590 } 591 592 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 593 auto Tokens = annotate("enum E {};"); 594 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 595 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 596 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 597 } 598 599 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 600 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 601 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 602 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 603 604 Tokens = annotate("template <typename T> void F(T) && = delete;"); 605 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 606 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 607 } 608 609 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 610 auto Tokens = 611 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 612 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 613 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 614 } 615 616 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 617 auto Tokens = 618 annotate("template <typename T> " 619 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 620 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 621 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 622 } 623 624 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 625 auto Tokens = 626 annotate("#define FOO(typeName) \\\n" 627 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 628 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 629 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 630 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 631 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 632 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 633 } 634 635 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 636 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 637 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 638 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 639 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 640 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 641 } 642 643 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 644 // IsExpression = false 645 auto Tokens = annotate("foo<true ? 1 : 2>();"); 646 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 647 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 648 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 649 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 650 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 651 652 // IsExpression = true 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 Tokens = annotate("return foo<true ? 1 : 2>{};"); 662 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 663 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 664 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 665 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 666 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 667 } 668 669 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 670 auto Tokens = annotate("return a < b && c > d;"); 671 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 672 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 673 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 674 675 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 676 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 677 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 678 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 679 680 Tokens = annotate("return A < B ? true : A > B;"); 681 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 682 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 683 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 684 685 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 686 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 687 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 688 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 689 690 Tokens = annotate("return checklower ? a < b : a > b;"); 691 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 692 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 693 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 694 695 Tokens = annotate("return A < B != A > B;"); 696 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 697 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 698 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 699 700 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 701 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 702 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 703 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 704 } 705 706 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 707 auto Tokens = annotate("template <template <typename...> typename X,\n" 708 " template <typename...> class Y,\n" 709 " typename... T>\n" 710 "class A {};"); 711 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 712 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 713 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 714 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 715 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 716 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 717 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 718 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 719 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 720 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 721 } 722 723 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 724 FormatStyle Style = getLLVMStyle(); 725 Style.WhitespaceSensitiveMacros.push_back("FOO"); 726 727 auto Tokens = annotate("FOO(1+2 )", Style); 728 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 729 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 730 731 Tokens = annotate("FOO(a:b:c)", Style); 732 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 733 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 734 } 735 736 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 737 auto Tokens = annotate("delete (void *)p;"); 738 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 739 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 740 741 Tokens = annotate("delete[] (void *)p;"); 742 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 743 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 744 745 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 746 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 747 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 748 749 Tokens = annotate("delete[/*comment*/] (void *)p;"); 750 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 751 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 752 753 Tokens = annotate("delete/*comment*/[] (void *)p;"); 754 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 755 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 756 } 757 758 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 759 auto Tokens = annotate("(void)p;"); 760 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 761 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 762 763 Tokens = annotate("(uint32_t)&&label;"); 764 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 765 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 766 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 767 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 768 769 Tokens = annotate("auto x = (Foo)p;"); 770 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 771 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 772 773 Tokens = annotate("(std::vector<int>)p;"); 774 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 775 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 776 777 Tokens = annotate("return (Foo)p;"); 778 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 779 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 780 781 Tokens = annotate("throw (Foo)p;"); 782 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 783 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 784 785 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 786 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 787 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 788 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 789 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 790 791 Tokens = annotate("#define foo(i) ((i) - bar)"); 792 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 793 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 794 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 795 796 Tokens = annotate("return (Foo) & 10;"); 797 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 798 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 799 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 800 801 Tokens = annotate("return (struct foo){};"); 802 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 803 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 804 805 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 806 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 807 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 808 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 809 810 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 811 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 812 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 813 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 814 815 Tokens = annotate("func((void (*)())&a);"); 816 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 817 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 818 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 819 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 820 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 821 822 Tokens = annotate("int result = ((int)a) - b;"); 823 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 824 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 825 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 826 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 827 828 Tokens = annotate("return (double)(foo(30)) - 15;"); 829 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 830 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 831 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 832 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 833 834 Tokens = annotate("return (::Type)(1 + 2);"); 835 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 836 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 837 838 Tokens = annotate("return (Namespace::Class)(1 + 2);"); 839 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 840 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 841 842 Tokens = annotate("return (Foo (*)(void *, Bar, ...))&foo;"); 843 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 844 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionTypeLParen); 845 EXPECT_TOKEN(Tokens[14], tok::r_paren, TT_CastRParen); 846 EXPECT_TOKEN(Tokens[15], tok::amp, TT_UnaryOperator); 847 848 auto Style = getLLVMStyle(); 849 Style.TypeNames.push_back("Foo"); 850 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 851 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 852 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 853 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 854 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 855 } 856 857 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 858 auto Tokens = annotate("void f() throw(int);"); 859 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 860 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 861 } 862 863 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 864 auto Tokens = annotate("void f() &;"); 865 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 866 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 867 868 Tokens = annotate("void operator=(T) &&;"); 869 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 870 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 871 872 Tokens = annotate("template <typename T> void f() &;"); 873 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 874 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 875 876 Tokens = annotate("template <typename T> void operator=(T) &;"); 877 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 878 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 879 } 880 881 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 882 auto Tokens = annotate("x.operator+()"); 883 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 884 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 885 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 886 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 887 Tokens = annotate("x.operator=()"); 888 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 889 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 890 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 891 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 892 Tokens = annotate("x.operator+=()"); 893 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 894 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 895 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 896 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 897 Tokens = annotate("x.operator,()"); 898 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 899 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 900 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 901 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 902 Tokens = annotate("x.operator()()"); 903 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 904 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 905 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 906 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 907 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 908 Tokens = annotate("x.operator[]()"); 909 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 910 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 911 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 912 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 913 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 914 Tokens = annotate("x.operator\"\"_a()"); 915 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 916 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 917 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 918 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 919 Tokens = annotate("x.operator\"\" _a()"); 920 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 921 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 922 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 923 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 924 Tokens = annotate("x.operator\"\"if()"); 925 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 926 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 927 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 928 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 929 Tokens = annotate("x.operator\"\"s()"); 930 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 931 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 932 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 933 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 934 Tokens = annotate("x.operator\"\" s()"); 935 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 936 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 937 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 938 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 939 940 Tokens = annotate("int operator+(int);"); 941 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 942 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 943 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 944 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 945 Tokens = annotate("auto operator=(T&) {}"); 946 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 947 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 948 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 949 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 950 Tokens = annotate("auto operator()() {}"); 951 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 952 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 953 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 954 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 955 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 956 957 Tokens = annotate("class Foo {\n" 958 " int operator+(a* b);\n" 959 "}"); 960 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 961 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 962 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 963 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 964 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 965 966 Tokens = annotate("class Foo {\n" 967 " int c = operator+(a * b);\n" 968 "}"); 969 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 970 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 971 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 972 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 973 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 974 975 Tokens = annotate("void foo() {\n" 976 " operator+(a * b);\n" 977 "}"); 978 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 979 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 980 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 981 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 982 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 983 984 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 985 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 986 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 987 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 988 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 989 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 990 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 991 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 992 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 993 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 994 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 995 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 996 997 Tokens = annotate("class Foo {\n" 998 " void foo() {\n" 999 " operator+(a * b);\n" 1000 " }\n" 1001 "}"); 1002 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1003 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 1004 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 1005 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 1006 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 1007 1008 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 1009 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1010 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 1011 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1012 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 1013 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 1014 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 1015 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 1016 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 1017 1018 Tokens = annotate("decltype(auto) operator()(T &x);"); 1019 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1020 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 1021 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 1022 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 1023 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 1024 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 1025 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 1026 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 1027 1028 Tokens = annotate("friend ostream& ::operator<<(ostream& lhs, foo& rhs);"); 1029 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1030 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 1031 EXPECT_TOKEN(Tokens[5], tok::lessless, TT_OverloadedOperator); 1032 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 1033 EXPECT_TOKEN(Tokens[8], tok::amp, TT_PointerOrReference); 1034 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 1035 1036 Tokens = annotate("SomeLoooooooooooooooooType::Awaitable\n" 1037 "SomeLoooooooooooooooooType::operator co_await();"); 1038 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1039 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_FunctionDeclarationName); 1040 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 1041 } 1042 1043 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 1044 struct { 1045 const char *Text; 1046 tok::TokenKind Kind; 1047 } Operators[] = {{"+", tok::plus}, 1048 {"-", tok::minus}, 1049 // FIXME: 1050 // {"*", tok::star}, 1051 {"/", tok::slash}, 1052 {"%", tok::percent}, 1053 {"^", tok::caret}, 1054 // FIXME: 1055 // {"&", tok::amp}, 1056 {"|", tok::pipe}, 1057 {"~", tok::tilde}, 1058 {"!", tok::exclaim}, 1059 {"=", tok::equal}, 1060 // FIXME: 1061 // {"<", tok::less}, 1062 {">", tok::greater}, 1063 {"+=", tok::plusequal}, 1064 {"-=", tok::minusequal}, 1065 {"*=", tok::starequal}, 1066 {"/=", tok::slashequal}, 1067 {"%=", tok::percentequal}, 1068 {"^=", tok::caretequal}, 1069 {"&=", tok::ampequal}, 1070 {"|=", tok::pipeequal}, 1071 {"<<", tok::lessless}, 1072 {">>", tok::greatergreater}, 1073 {">>=", tok::greatergreaterequal}, 1074 {"<<=", tok::lesslessequal}, 1075 {"==", tok::equalequal}, 1076 {"!=", tok::exclaimequal}, 1077 {"<=", tok::lessequal}, 1078 {">=", tok::greaterequal}, 1079 {"<=>", tok::spaceship}, 1080 {"&&", tok::ampamp}, 1081 {"||", tok::pipepipe}, 1082 {"++", tok::plusplus}, 1083 {"--", tok::minusminus}, 1084 {",", tok::comma}, 1085 {"->*", tok::arrowstar}, 1086 {"->", tok::arrow}}; 1087 1088 for (const auto &Operator : Operators) { 1089 std::string Input("C<&operator"); 1090 Input += Operator.Text; 1091 Input += " > a;"; 1092 auto Tokens = annotate(std::string(Input)); 1093 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1094 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1095 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1096 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1097 } 1098 1099 auto Tokens = annotate("C<&operator< <X>> lt;"); 1100 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1101 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1102 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1103 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1104 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1105 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1106 } 1107 1108 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1109 auto Tokens = annotate("template <typename T>\n" 1110 "concept C = (Foo && Bar) && (Bar && Baz);"); 1111 1112 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1113 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1114 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1115 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1116 1117 Tokens = annotate("template <typename T>\n" 1118 "concept C = Foo && !Bar;"); 1119 1120 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1121 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1122 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1123 1124 Tokens = annotate("template <typename T>\n" 1125 "concept C = requires(T t) {\n" 1126 " { t.foo() };\n" 1127 "} && Bar<T> && Baz<T>;"); 1128 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1129 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1130 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1131 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1132 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1133 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1134 1135 Tokens = annotate("template<typename T>\n" 1136 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1137 "struct Foo;"); 1138 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1139 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1140 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1141 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1142 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1143 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1144 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1145 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1146 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1147 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1148 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1149 1150 Tokens = 1151 annotate("template<typename T>\n" 1152 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1153 "struct Foo;"); 1154 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1155 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1156 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1157 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1158 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1159 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1160 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1161 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1162 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1163 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1164 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1165 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1166 1167 Tokens = annotate("template <typename T>\n" 1168 "void foo(T) noexcept requires Bar<T>;"); 1169 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1170 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1171 1172 Tokens = annotate("template <typename T>\n" 1173 "requires Bar<T> || Baz<T>\n" 1174 "auto foo(T) -> int;"); 1175 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1176 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1177 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1178 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1179 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1180 1181 Tokens = annotate("template <typename T>\n" 1182 "requires Bar<T>\n" 1183 "bool foo(T) { return false; }"); 1184 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1185 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1186 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1187 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1188 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1189 1190 Tokens = annotate("template <typename T>\n" 1191 "requires Bar<T>\n" 1192 "decltype(auto) foo(T) { return false; }"); 1193 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1194 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1195 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1196 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1197 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1198 1199 Tokens = annotate("template <typename T>\n" 1200 "struct S {\n" 1201 " void foo() const requires Bar<T>;\n" 1202 " void bar() const & requires Baz<T>;\n" 1203 " void bar() && requires Baz2<T>;\n" 1204 " void baz() const & noexcept requires Baz<T>;\n" 1205 " void baz() && noexcept requires Baz2<T>;\n" 1206 "};\n" 1207 "\n" 1208 "void S::bar() const & requires Baz<T> { }"); 1209 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1210 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1211 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1212 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1213 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1214 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1215 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1216 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1217 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1218 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1219 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1220 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1221 1222 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1223 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1224 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1225 1226 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1227 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1228 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1229 1230 Tokens = 1231 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1232 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1233 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1234 1235 Tokens = annotate("void Class::member() && requires(typename " 1236 "Namespace::Outer<T>::Inner::Constant) {}"); 1237 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1238 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1239 1240 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1241 " template<class T>\n" 1242 " requires requires { number_zero_v<T>; }\n" 1243 " [[nodiscard]] constexpr operator T() const { " 1244 "return number_zero_v<T>; }\n" 1245 "};"); 1246 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1247 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1248 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1249 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1250 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1251 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1252 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1253 1254 Tokens = 1255 annotate("template <class A, class B> concept C =" 1256 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1257 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1258 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1259 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1260 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1261 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1262 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1263 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1264 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1265 1266 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1267 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1268 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1269 1270 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1271 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1272 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1273 1274 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1275 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1276 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1277 1278 Tokens = 1279 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1280 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1281 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1282 1283 Tokens = 1284 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1285 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1286 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1287 1288 Tokens = 1289 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1290 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1291 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1292 1293 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1294 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1295 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1296 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1297 1298 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1299 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1300 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1301 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1302 1303 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1304 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1305 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1306 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1307 1308 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1309 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1310 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1311 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1312 1313 Tokens = annotate("void f() & requires(true) {}"); 1314 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1315 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1316 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1317 1318 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1319 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1320 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1321 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1322 1323 Tokens = annotate("template <typename T>\n" 1324 "concept C = (!Foo<T>) && Bar;"); 1325 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1326 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1327 1328 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1329 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1330 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1331 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1332 1333 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1334 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1335 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1336 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1337 1338 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1339 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1340 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1341 1342 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1343 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1344 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1345 1346 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1347 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1348 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1349 1350 // Second function definition is required due to lookahead 1351 Tokens = annotate("void f() &\n" 1352 " requires(n == 1)\n" 1353 "{}\n" 1354 "void g();"); 1355 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1356 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1357 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1358 } 1359 1360 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1361 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1362 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1363 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1364 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1365 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1366 1367 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1368 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1369 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1370 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1371 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1372 1373 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1374 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1375 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1376 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1377 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1378 1379 Tokens = annotate("foo(requires(const T t) {});"); 1380 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1381 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1382 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1383 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1384 1385 Tokens = annotate("foo(requires(const int t) {});"); 1386 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1387 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1388 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1389 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1390 1391 Tokens = annotate("foo(requires(const T t) {});"); 1392 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1393 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1394 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1395 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1396 1397 Tokens = annotate("foo(requires(int 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 const* volatile t) {});"); 1405 ASSERT_EQ(Tokens.size(), 15u) << 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[6], tok::star, TT_PointerOrReference); 1409 EXPECT_TOKEN(Tokens[10], 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::amp, TT_PointerOrReference); 1416 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1417 1418 Tokens = annotate("foo(requires(T&& t) {});"); 1419 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1420 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1421 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1422 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1423 EXPECT_TOKEN(Tokens[8], 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::amp, TT_PointerOrReference); 1430 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1431 1432 Tokens = annotate("bool foo = requires(T&& t) {};"); 1433 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1434 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1435 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1436 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1437 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1438 1439 Tokens = 1440 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1441 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1442 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1443 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1444 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1445 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1446 1447 Tokens = annotate("template <typename T>\n" 1448 "concept C = requires(T T) {\n" 1449 " requires Bar<T> && Foo<T>;\n" 1450 "};"); 1451 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1452 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1453 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1454 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1455 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1456 TT_RequiresClauseInARequiresExpression); 1457 1458 Tokens = annotate("template <typename T>\n" 1459 "concept C = requires(T T) {\n" 1460 " { t.func() } -> std::same_as<int>;" 1461 " requires Bar<T> && Foo<T>;\n" 1462 "};"); 1463 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1464 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1465 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1466 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1467 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1468 TT_RequiresClauseInARequiresExpression); 1469 1470 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1471 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1472 "requires true; };"); 1473 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1474 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1475 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1476 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1477 1478 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1479 " { c.foo(); }\n" 1480 "};"); 1481 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1482 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1483 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1484 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1485 } 1486 1487 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1488 // Everything after #pragma region should be ImplicitStringLiteral 1489 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1490 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1491 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1492 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1493 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1494 1495 // Make sure it's annotated correctly inside a function as well 1496 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1497 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1498 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1499 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1500 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1501 } 1502 1503 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1504 const char *BaseCode = nullptr; 1505 const char *ConstrainedCode = nullptr; 1506 auto BaseTokenCount = 0u; 1507 auto RequiresTokenCount = 0u; 1508 auto PrefixTokenCount = 0u; 1509 1510 auto TestRequires = [&](int Line) { 1511 const auto BaseTokens = annotate(BaseCode); 1512 const auto ConstrainedTokens = annotate(ConstrainedCode); 1513 1514 #define LINE " (Line " << Line << ')' 1515 1516 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1517 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1518 << LINE; 1519 1520 for (auto I = 0u; I < BaseTokenCount; ++I) { 1521 EXPECT_EQ( 1522 *BaseTokens[I], 1523 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1524 << I << LINE; 1525 } 1526 1527 #undef LINE 1528 }; 1529 1530 BaseCode = "template<typename T>\n" 1531 "T Pi = 3.14;"; 1532 ConstrainedCode = "template<typename T>\n" 1533 " requires Foo<T>\n" 1534 "T Pi = 3.14;"; 1535 BaseTokenCount = 11; 1536 RequiresTokenCount = 5; 1537 PrefixTokenCount = 5; 1538 TestRequires(__LINE__); 1539 1540 BaseCode = "template<typename T>\n" 1541 "struct Bar;"; 1542 ConstrainedCode = "template<typename T>\n" 1543 " requires Foo<T>\n" 1544 "struct Bar;"; 1545 BaseTokenCount = 9; 1546 TestRequires(__LINE__); 1547 1548 BaseCode = "template<typename T>\n" 1549 "struct Bar {\n" 1550 " T foo();\n" 1551 " T bar();\n" 1552 "};"; 1553 ConstrainedCode = "template<typename T>\n" 1554 " requires Foo<T>\n" 1555 "struct Bar {\n" 1556 " T foo();\n" 1557 " T bar();\n" 1558 "};"; 1559 BaseTokenCount = 21; 1560 TestRequires(__LINE__); 1561 1562 BaseCode = "template<typename T>\n" 1563 "Bar(T) -> Bar<T>;"; 1564 ConstrainedCode = "template<typename T>\n" 1565 " requires Foo<T>\n" 1566 "Bar(T) -> Bar<T>;"; 1567 BaseTokenCount = 16; 1568 TestRequires(__LINE__); 1569 1570 BaseCode = "template<typename T>\n" 1571 "T foo();"; 1572 ConstrainedCode = "template<typename T>\n" 1573 " requires Foo<T>\n" 1574 "T foo();"; 1575 BaseTokenCount = 11; 1576 TestRequires(__LINE__); 1577 1578 BaseCode = "template<typename T>\n" 1579 "T foo() {\n" 1580 " auto bar = baz();\n" 1581 " return bar + T{};\n" 1582 "}"; 1583 ConstrainedCode = "template<typename T>\n" 1584 " requires Foo<T>\n" 1585 "T foo() {\n" 1586 " auto bar = baz();\n" 1587 " return bar + T{};\n" 1588 "}"; 1589 BaseTokenCount = 26; 1590 TestRequires(__LINE__); 1591 1592 BaseCode = "template<typename T>\n" 1593 "T foo();"; 1594 ConstrainedCode = "template<typename T>\n" 1595 "T foo() requires Foo<T>;"; 1596 BaseTokenCount = 11; 1597 PrefixTokenCount = 9; 1598 TestRequires(__LINE__); 1599 1600 BaseCode = "template<typename T>\n" 1601 "T foo() {\n" 1602 " auto bar = baz();\n" 1603 " return bar + T{};\n" 1604 "}"; 1605 ConstrainedCode = "template<typename T>\n" 1606 "T foo() requires Foo<T> {\n" 1607 " auto bar = baz();\n" 1608 " return bar + T{};\n" 1609 "}"; 1610 BaseTokenCount = 26; 1611 TestRequires(__LINE__); 1612 1613 BaseCode = "template<typename T>\n" 1614 "T foo();"; 1615 ConstrainedCode = "template<typename T>\n" 1616 " requires(Foo<T>)\n" 1617 "T foo();"; 1618 BaseTokenCount = 11; 1619 RequiresTokenCount = 7; 1620 PrefixTokenCount = 5; 1621 TestRequires(__LINE__); 1622 1623 BaseCode = "template<typename T>\n" 1624 "Bar(T) -> Bar<typename T::I>;"; 1625 ConstrainedCode = "template<typename T>\n" 1626 " requires requires(T &&t) {\n" 1627 " typename T::I;\n" 1628 " }\n" 1629 "Bar(T) -> Bar<typename T::I>;"; 1630 BaseTokenCount = 19; 1631 RequiresTokenCount = 14; 1632 PrefixTokenCount = 5; 1633 TestRequires(__LINE__); 1634 1635 BaseCode = "struct [[nodiscard]] zero_t {\n" 1636 " template<class T>\n" 1637 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1638 "};"; 1639 ConstrainedCode = 1640 "struct [[nodiscard]] zero_t {\n" 1641 " template<class T>\n" 1642 " requires requires { v<T>; }\n" 1643 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1644 "};"; 1645 BaseTokenCount = 35; 1646 RequiresTokenCount = 9; 1647 PrefixTokenCount = 13; 1648 TestRequires(__LINE__); 1649 1650 BaseCode = "constexpr Foo(Foo const &other)\n" 1651 " : value{other.value} {\n" 1652 " do_magic();\n" 1653 " do_more_magic();\n" 1654 "}"; 1655 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1656 " requires std::is_copy_constructible<T>\n" 1657 " : value{other.value} {\n" 1658 " do_magic();\n" 1659 " do_more_magic();\n" 1660 "}"; 1661 BaseTokenCount = 26; 1662 RequiresTokenCount = 7; 1663 PrefixTokenCount = 8; 1664 TestRequires(__LINE__); 1665 1666 BaseCode = "constexpr Foo(Foo const &other)\n" 1667 " : value{other.value} {\n" 1668 " do_magic();\n" 1669 " do_more_magic();\n" 1670 "}"; 1671 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1672 " requires (std::is_copy_constructible<T>)\n" 1673 " : value{other.value} {\n" 1674 " do_magic();\n" 1675 " do_more_magic();\n" 1676 "}"; 1677 RequiresTokenCount = 9; 1678 TestRequires(__LINE__); 1679 1680 BaseCode = "template<typename T>\n" 1681 "ANNOTATE(\"S\"\n" 1682 " \"S\")\n" 1683 "void foo();"; 1684 ConstrainedCode = "template<typename T>\n" 1685 " requires(true)\n" 1686 "ANNOTATE(\"S\"\n" 1687 " \"S\")\n" 1688 "void foo();"; 1689 BaseTokenCount = 16; 1690 RequiresTokenCount = 4; 1691 PrefixTokenCount = 5; 1692 TestRequires(__LINE__); 1693 } 1694 1695 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1696 auto Tokens = annotate("__asm{\n" 1697 "\"a\":\n" 1698 ": x\n" 1699 ":};"); 1700 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1701 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1702 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1703 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1704 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1705 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1706 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1707 1708 Tokens = annotate("__asm(\n" 1709 "\"a\":\n" 1710 ": x\n" 1711 ":);"); 1712 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1713 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1714 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1715 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1716 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1717 1718 Tokens = annotate("asm volatile (\n" 1719 "\"a_label:\"\n" 1720 ":\n" 1721 ": x\n" 1722 ":);"); 1723 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1724 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1725 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1726 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1727 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1728 1729 Tokens = annotate("__asm__(\n" 1730 "\"a_label:\"\n" 1731 ": x\n" 1732 ":\n" 1733 ": y);"); 1734 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1735 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1736 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1737 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1738 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1739 1740 Tokens = annotate("__asm volatile (\n" 1741 "\"a_label:\"\n" 1742 "\"a b c(%%x)\"\n" 1743 ":\n" 1744 ": x\n" 1745 ":);"); 1746 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1747 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1748 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1749 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1750 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1751 1752 Tokens = annotate("asm(\n" 1753 "\"insn\"\n" 1754 ": \"=r\" (var1), \"=&r\" (value)\n" 1755 ":\n" 1756 ": \"memory\");"); 1757 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1758 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1759 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1760 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1761 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1762 1763 Tokens = annotate("__asm__ volatile (\n" 1764 "\"ldr r1, [r0, %%[sym]]\"\n" 1765 ":\n" 1766 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1767 ");"); 1768 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1769 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1770 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1771 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1772 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1773 } 1774 1775 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1776 auto Tokens = annotate("int (^)() = ^ ()\n" 1777 " external_source_symbol() { //\n" 1778 " return 1;\n" 1779 "};"); 1780 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1781 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1782 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1783 1784 Tokens = annotate("int *p = ^int*(){ //\n" 1785 " return nullptr;\n" 1786 "}();"); 1787 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1788 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1789 1790 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1791 " return a;\n" 1792 "};"); 1793 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1794 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1795 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1796 } 1797 1798 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1799 auto Tokens = annotate("void f() {\n" 1800 " //\n" 1801 " BOOL a = [b.c n] > 1;\n" 1802 "}"); 1803 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1804 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1805 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1806 } 1807 1808 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1809 auto Tokens = annotate("[]() constexpr {}"); 1810 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1811 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1812 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1813 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1814 1815 Tokens = annotate("[]() consteval {}"); 1816 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1817 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1818 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1819 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1820 1821 Tokens = annotate("[]() mutable {}"); 1822 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1823 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1824 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1825 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1826 1827 Tokens = annotate("[]() static {}"); 1828 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1829 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1830 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1831 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1832 1833 Tokens = annotate("[]() -> auto {}"); 1834 ASSERT_EQ(Tokens.size(), 9u) << 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[6], 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("[]() -> auto * {}"); 1848 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1849 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1850 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1851 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1852 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1853 1854 Tokens = annotate("[] {}"); 1855 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1856 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1857 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1858 1859 Tokens = annotate("[] noexcept {}"); 1860 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1861 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1862 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1863 1864 Tokens = annotate("[] -> auto {}"); 1865 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1866 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1867 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1868 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1869 1870 Tokens = annotate("[] -> struct S { return {}; }"); 1871 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1872 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1873 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1874 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1875 1876 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1877 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1878 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1879 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1880 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1881 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1882 1883 Tokens = annotate("[] <typename T> () {}"); 1884 ASSERT_EQ(Tokens.size(), 11u) << 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_paren, TT_LambdaDefinitionLParen); 1888 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1889 1890 Tokens = annotate("[] <typename T> {}"); 1891 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1892 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1893 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1894 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1895 1896 Tokens = annotate("[] <typename... T> () {}"); 1897 ASSERT_EQ(Tokens.size(), 12u) << 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_paren, TT_LambdaDefinitionLParen); 1901 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1902 1903 Tokens = annotate("[] <typename... T> {}"); 1904 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1905 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1906 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1907 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1908 1909 Tokens = annotate("[] <int... T> () {}"); 1910 ASSERT_EQ(Tokens.size(), 12u) << 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_paren, TT_LambdaDefinitionLParen); 1914 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1915 1916 Tokens = annotate("[] <int... T> {}"); 1917 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1918 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1919 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1920 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1921 1922 Tokens = annotate("[] <Foo... T> () {}"); 1923 ASSERT_EQ(Tokens.size(), 12u) << 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_paren, TT_LambdaDefinitionLParen); 1927 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1928 1929 Tokens = annotate("[] <Foo... T> {}"); 1930 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1931 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1932 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1933 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1934 1935 // Lambdas with a requires-clause 1936 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1937 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1938 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1939 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1940 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1941 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1942 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1943 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1944 1945 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1946 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1947 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1948 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1949 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1950 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1951 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1952 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1953 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1954 1955 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1956 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1957 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1958 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1959 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1960 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1961 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1962 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1963 1964 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1965 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1966 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1967 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1968 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1969 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1970 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1971 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1972 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1973 1974 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1975 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1976 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1977 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1978 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1979 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1980 // FIXME: 1981 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1982 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1983 1984 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1985 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1986 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1987 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1988 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1989 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1990 // FIXME: 1991 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1992 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1993 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1994 1995 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1996 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1997 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1998 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1999 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2000 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 2001 // FIXME: 2002 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 2003 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 2004 2005 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 2006 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2007 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2008 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2009 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2010 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 2011 // FIXME: 2012 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2013 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 2014 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 2015 2016 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 2017 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2018 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2019 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2020 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2021 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2022 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 2023 2024 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 2025 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2026 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2027 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2028 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2029 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2030 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2031 2032 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 2033 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2034 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2035 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2036 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2037 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2038 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 2039 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 2040 2041 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 2042 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 2043 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2044 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2045 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2046 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2047 // FIXME: 2048 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 2049 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 2050 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 2051 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 2052 2053 Tokens = annotate("[] <typename T = int> (T t) {}"); 2054 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2055 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2056 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2057 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2058 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2059 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2060 2061 Tokens = annotate("[] <int I = 0> (T t) {}"); 2062 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2063 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2064 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2065 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2066 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2067 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2068 2069 Tokens = annotate("[] <bool b = false> (T t) {}"); 2070 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2071 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2072 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2073 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2074 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2075 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2076 2077 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 2078 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2079 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2080 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2081 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 2082 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 2083 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 2084 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 2085 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 2086 2087 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2088 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2089 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2090 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2091 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2092 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2093 // FIXME: 2094 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2095 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2096 } 2097 2098 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2099 auto Tokens = annotate("template <typename T>\n" 2100 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2101 "string OldFunction(const string ¶meter) {}"); 2102 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2103 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2104 2105 Tokens = annotate("template <typename T>\n" 2106 "A(T) noexcept;"); 2107 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2108 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2109 2110 Tokens = annotate("FOO(bar)();"); 2111 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2112 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2113 } 2114 2115 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2116 auto Tokens = annotate("void f [[noreturn]] ();"); 2117 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2118 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2119 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2120 2121 Tokens = annotate("void f [[noreturn]] () {}"); 2122 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2123 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2124 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2125 2126 Tokens = annotate("#define FOO Foo::\n" 2127 "FOO Foo();"); 2128 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2129 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2130 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2131 2132 Tokens = annotate("struct Foo {\n" 2133 " Bar (*func)();\n" 2134 "};"); 2135 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2136 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2137 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2138 2139 Tokens = annotate("void instanceof();"); 2140 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2141 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2142 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2143 2144 Tokens = annotate("int iso_time(time_t);"); 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 2149 auto Style = getLLVMStyle(); 2150 Style.TypeNames.push_back("MyType"); 2151 Tokens = annotate("int iso_time(MyType);", Style); 2152 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2153 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2154 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2155 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2156 } 2157 2158 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2159 auto Tokens = annotate("class Foo { public: Foo(); };"); 2160 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2161 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2162 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2163 2164 Tokens = annotate("class Foo { public: ~Foo(); };"); 2165 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2166 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2167 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2168 2169 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2170 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2171 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2172 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2173 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2174 2175 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2176 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2177 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2178 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2179 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2180 2181 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2182 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2183 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2184 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2185 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2186 2187 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2188 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2189 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2190 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2191 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2192 2193 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2194 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2195 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2196 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2197 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2198 2199 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2200 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2201 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2202 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2203 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2204 2205 Tokens = annotate("Foo::Foo() {}"); 2206 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2207 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2208 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2209 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2210 2211 Tokens = annotate("Foo::~Foo() {}"); 2212 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2213 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2214 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2215 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2216 2217 Tokens = annotate("struct Test {\n" 2218 " Test()\n" 2219 " : l([] {\n" 2220 " Short::foo();\n" 2221 " }) {}\n" 2222 "};"); 2223 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2224 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2225 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2226 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2227 } 2228 2229 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2230 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2231 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2232 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2233 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2234 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2235 } 2236 2237 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2238 auto Tokens = annotate("auto f() -> int;"); 2239 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2240 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2241 2242 Tokens = annotate("auto operator->() -> int;"); 2243 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2244 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2245 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2246 2247 Tokens = annotate("auto operator++(int) -> int;"); 2248 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2249 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2250 2251 Tokens = annotate("auto operator=() -> int;"); 2252 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2253 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2254 2255 Tokens = annotate("auto operator=(int) -> int;"); 2256 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2257 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2258 2259 Tokens = annotate("auto foo() -> auto { return Val; }"); 2260 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2261 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2262 2263 Tokens = annotate("struct S { auto bar() const -> int; };"); 2264 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2265 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2266 2267 // Not trailing return arrows 2268 Tokens = annotate("auto a = b->c;"); 2269 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2270 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2271 2272 Tokens = annotate("auto a = (b)->c;"); 2273 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2274 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2275 2276 Tokens = annotate("auto a = b()->c;"); 2277 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2278 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2279 2280 Tokens = annotate("auto a = b->c();"); 2281 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2282 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2283 2284 Tokens = annotate("decltype(auto) a = b()->c;"); 2285 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2286 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2287 2288 Tokens = annotate("void f() { auto a = b->c(); }"); 2289 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2290 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2291 2292 Tokens = annotate("void f() { auto a = b()->c; }"); 2293 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2294 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2295 2296 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2297 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2298 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2299 2300 Tokens = annotate("void f() FOO(foo->bar);"); 2301 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2302 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2303 2304 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2305 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2306 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2307 2308 Tokens = annotate("Class<Type>{foo}->func(arg);"); 2309 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2310 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not FunctionLBrace 2311 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2312 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2313 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2314 2315 auto Style = getLLVMStyle(); 2316 Style.StatementAttributeLikeMacros.push_back("emit"); 2317 Tokens = annotate("emit foo()->bar;", Style); 2318 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2319 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2320 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2321 2322 // Mixed 2323 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2324 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2325 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2326 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2327 } 2328 2329 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2330 auto Tokens = annotate("#define Foo(Bar) \\\n" 2331 " { \\\n" 2332 " #Bar \\\n" 2333 " }"); 2334 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2335 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2336 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2337 2338 Tokens = annotate("#define Foo(Bar) \\\n" 2339 " { #Bar }"); 2340 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2341 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2342 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2343 2344 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2345 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2346 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2347 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2348 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2349 } 2350 2351 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2352 // '__attribute__' has special handling. 2353 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2354 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2355 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2356 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2357 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2358 2359 // Generic macro has no special handling in this location. 2360 Tokens = annotate("A(X) void Foo(void);"); 2361 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2362 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2363 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2364 2365 // Add a custom AttributeMacro. Test that it has the same behavior. 2366 FormatStyle Style = getLLVMStyle(); 2367 Style.AttributeMacros.push_back("A"); 2368 2369 // An "AttributeMacro" gets annotated like '__attribute__'. 2370 Tokens = annotate("A(X) void Foo(void);", Style); 2371 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2372 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2373 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2374 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2375 } 2376 2377 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2378 // '__attribute__' has special handling. 2379 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2380 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2381 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2382 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2383 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2384 2385 // Generic macro has no special handling in this location. 2386 Tokens = annotate("A(X) @interface Foo"); 2387 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2388 // Note: Don't check token-type as a random token in this position is hard to 2389 // reason about. 2390 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2391 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2392 2393 // Add a custom AttributeMacro. Test that it has the same behavior. 2394 FormatStyle Style = getLLVMStyle(); 2395 Style.AttributeMacros.push_back("A"); 2396 2397 // An "AttributeMacro" gets annotated like '__attribute__'. 2398 Tokens = annotate("A(X) @interface Foo", Style); 2399 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2400 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2401 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2402 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2403 } 2404 2405 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2406 // '__attribute__' has special handling. 2407 auto Tokens = annotate("- (id)init __attribute__((X));"); 2408 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2409 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2410 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2411 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2412 2413 // Generic macro has no special handling in this location. 2414 Tokens = annotate("- (id)init A(X);"); 2415 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2416 // Note: Don't check token-type as a random token in this position is hard to 2417 // reason about. 2418 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2419 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2420 2421 // Add a custom AttributeMacro. Test that it has the same behavior. 2422 FormatStyle Style = getLLVMStyle(); 2423 Style.AttributeMacros.push_back("A"); 2424 2425 // An "AttributeMacro" gets annotated like '__attribute__'. 2426 Tokens = annotate("- (id)init A(X);", Style); 2427 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2428 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2429 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2430 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2431 } 2432 2433 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2434 // '__attribute__' has special handling. 2435 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2436 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2437 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2438 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2439 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2440 2441 // Generic macro has no special handling in this location. 2442 Tokens = annotate("@property(weak) id delegate A(X);"); 2443 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2444 // Note: Don't check token-type as a random token in this position is hard to 2445 // reason about. 2446 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2447 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2448 2449 // Add a custom AttributeMacro. Test that it has the same behavior. 2450 FormatStyle Style = getLLVMStyle(); 2451 Style.AttributeMacros.push_back("A"); 2452 2453 // An "AttributeMacro" gets annotated like '__attribute__'. 2454 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2455 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2456 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2457 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2458 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2459 } 2460 2461 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2462 auto Annotate = [this](StringRef Code) { 2463 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2464 }; 2465 // Test that unary operators get labeled as such and that operators like '++' 2466 // don't get split. 2467 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2468 tok::tilde, tok::amp, tok::pipe, 2469 tok::caret, tok::plusplus, tok::minusminus}; 2470 for (auto Kind : Unary) { 2471 auto Tokens = 2472 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2473 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2474 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2475 } 2476 // Operators formed by joining two operators like '^~'. For some of these 2477 // joined operators, we don't have a separate type, so we only test for their 2478 // precedence. 2479 std::pair<prec::Level, std::string> JoinedBinary[] = { 2480 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2481 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2482 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2483 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2484 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2485 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2486 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2487 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2488 {prec::Equality, "!="}, {prec::Equality, "==="}, 2489 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2490 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2491 {prec::ExclusiveOr, "^~"}, 2492 }; 2493 for (auto Operator : JoinedBinary) { 2494 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2495 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2496 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2497 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2498 } 2499 // '~^' and '^~' can be unary as well as binary operators. 2500 auto Tokens = Annotate("x = ~^x;"); 2501 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2502 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2503 Tokens = Annotate("x = ^~x;"); 2504 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2505 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2506 // The unary operators '~&' and '~|' can only be unary operators. The current 2507 // implementation treats each of them as separate unary '~' and '&' or '|' 2508 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2509 // there is a test that there is no space in between. And even if a new line 2510 // is inserted between the '~' and '|', the semantic meaning is the same as 2511 // the joined operator, so the CanBreakBefore property doesn't need to be 2512 // false for the second operator. 2513 Tokens = Annotate("x = ~&x;"); 2514 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2515 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2516 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2517 Tokens = Annotate("x = ~|x;"); 2518 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2519 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2520 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2521 // Test for block label colons. 2522 Tokens = Annotate("begin : x\n" 2523 "end : x"); 2524 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2525 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2526 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2527 // Test that the dimension colon is annotated correctly. 2528 Tokens = Annotate("var [1 : 0] x;"); 2529 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2530 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2531 Tokens = Annotate("extern function [1 : 0] x;"); 2532 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2533 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2534 Tokens = Annotate("module test\n" 2535 " (input wire [7 : 0] a[7 : 0]);\n" 2536 "endmodule"); 2537 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2538 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2539 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2540 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2541 // Test case labels and ternary operators. 2542 Tokens = Annotate("case (x)\n" 2543 " x:\n" 2544 " x;\n" 2545 "endcase"); 2546 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2547 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2548 Tokens = Annotate("case (x)\n" 2549 " x ? x : x:\n" 2550 " x;\n" 2551 "endcase"); 2552 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2553 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2554 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2555 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2556 // Non-blocking assignments. 2557 Tokens = Annotate("a <= b;"); 2558 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2559 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2560 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2561 Tokens = Annotate("if (a <= b) break;"); 2562 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2563 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2564 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2565 Tokens = Annotate("a <= b <= a;"); 2566 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2567 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2568 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2569 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2570 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2571 2572 // Port lists in module instantiation. 2573 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2574 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2575 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2576 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2577 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2578 "instance_2(port_2);"); 2579 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2580 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2581 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2582 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2583 2584 // Condition parentheses. 2585 Tokens = Annotate("assert (x);"); 2586 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2587 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2588 Tokens = Annotate("assert #0 (x);"); 2589 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2590 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2591 Tokens = Annotate("assert final (x);"); 2592 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2593 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2594 Tokens = Annotate("foreach (x[x]) continue;"); 2595 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2596 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2597 Tokens = Annotate("repeat (x[x]) continue;"); 2598 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2599 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2600 Tokens = Annotate("case (x) endcase;"); 2601 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2602 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2603 2604 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2605 // future, please adapt if those tokens get annotated. This test is only here 2606 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2607 Tokens = Annotate("always @(posedge x, posedge y);"); 2608 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2609 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2610 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2611 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2612 2613 // String literals in concatenation. 2614 Tokens = Annotate("x = {\"\"};"); 2615 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2616 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2617 Tokens = Annotate("x = {\"\", \"\"};"); 2618 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2619 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2620 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2621 Tokens = Annotate("x = '{{\"\"}};"); 2622 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2623 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2624 // Cases where the string should not be annotated that type. Fix the 2625 // `TT_Unknown` if needed in the future. 2626 Tokens = Annotate("x = {\"\" == \"\"};"); 2627 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2628 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2629 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2630 Tokens = Annotate("x = {(\"\")};"); 2631 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2632 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2633 Tokens = Annotate("x = '{\"\"};"); 2634 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2635 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2636 2637 // Module headers. 2638 Tokens = Annotate("module x();\n" 2639 "endmodule"); 2640 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2641 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogMultiLineListLParen); 2642 Tokens = Annotate("function automatic `x x();\n" 2643 "endmodule"); 2644 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2645 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_VerilogMultiLineListLParen); 2646 Tokens = Annotate("function automatic x``x x();\n" 2647 "endmodule"); 2648 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2649 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2650 Tokens = Annotate("function automatic x::x x();\n" 2651 "endmodule"); 2652 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2653 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2654 2655 // Escaped identifiers. 2656 Tokens = Annotate(R"(\busa+index)"); 2657 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2658 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2659 Tokens = Annotate(R"(\busa+index ;)"); 2660 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2661 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2662 EXPECT_EQ(Tokens[0]->TokenText, R"(\busa+index)"); 2663 EXPECT_TOKEN(Tokens[1], tok::semi, TT_Unknown); 2664 Tokens = Annotate(R"(\busa+index 2665 ;)"); 2666 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2667 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2668 EXPECT_TOKEN(Tokens[1], tok::semi, TT_Unknown); 2669 // The escaped identifier can be broken by an escaped newline. The result is 2670 // still 1 identifier. 2671 Tokens = Annotate(R"(\busa+index\ 2672 + 2673 ;)"); 2674 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2675 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2676 EXPECT_EQ(Tokens[0]->TokenText, R"(\busa+index\ 2677 +)"); 2678 EXPECT_TOKEN(Tokens[1], tok::semi, TT_Unknown); 2679 // An escaped newline should not be treated as an escaped identifier. 2680 Tokens = Annotate("\\\n"); 2681 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2682 EXPECT_TOKEN(Tokens[0], tok::eof, TT_Unknown); 2683 // Macros. 2684 Tokens = Annotate("`define x x``x"); 2685 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2686 EXPECT_TOKEN(Tokens[0], tok::hash, TT_Unknown); 2687 EXPECT_TOKEN(Tokens[4], tok::hashhash, TT_Unknown); 2688 } 2689 2690 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2691 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2692 ASSERT_TRUE(Style.isTableGen()); 2693 2694 TestLexer Lexer(Allocator, Buffers, Style); 2695 AdditionalKeywords Keywords(Lexer.IdentTable); 2696 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2697 2698 // Additional keywords representation test. 2699 auto Tokens = Annotate("def foo : Bar<1>;"); 2700 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2701 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2702 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2703 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2704 2705 // Code, the multiline string token. 2706 Tokens = Annotate("[{ code is multiline string }]"); 2707 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2708 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2709 EXPECT_FALSE(Tokens[0]->IsMultiline); 2710 // Case with multiple lines. 2711 Tokens = Annotate("[{ It can break\n" 2712 " across lines and the line breaks\n" 2713 " are retained in \n" 2714 " the string. }]"); 2715 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2716 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2717 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2718 EXPECT_TRUE(Tokens[0]->IsMultiline); 2719 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2720 2721 // Numeric literals. 2722 Tokens = Annotate("1234"); 2723 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2724 Tokens = Annotate("-1"); 2725 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2726 Tokens = Annotate("+1234"); 2727 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2728 Tokens = Annotate("0b0110"); 2729 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2730 Tokens = Annotate("0x1abC"); 2731 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2732 2733 // Identifier tokens. In TableGen, identifiers can begin with a number. 2734 // In ambiguous cases, the lexer tries to lex it as a number. 2735 // Even if the try fails, it does not fall back to identifier lexing and 2736 // regard as an error. 2737 // The ambiguity is not documented. The result of those tests are based on the 2738 // implementation of llvm::TGLexer::LexToken. 2739 // This is invalid syntax of number, but not an identifier. 2740 Tokens = Annotate("0x1234x"); 2741 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2742 Tokens = Annotate("identifier"); 2743 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2744 // Identifier beginning with a number. 2745 Tokens = Annotate("0x"); 2746 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2747 Tokens = Annotate("2dVector"); 2748 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2749 Tokens = Annotate("01234Vector"); 2750 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2751 2752 // Structured statements. 2753 Tokens = Annotate("class Foo {}"); 2754 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2755 Tokens = Annotate("def Def: Foo {}"); 2756 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2757 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2758 Tokens = Annotate("if cond then {} else {}"); 2759 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2760 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2761 Tokens = Annotate("defset Foo Def2 = {}"); 2762 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2763 2764 // Bang Operators. 2765 Tokens = Annotate("!foreach"); 2766 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2767 Tokens = Annotate("!if"); 2768 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2769 Tokens = Annotate("!cond"); 2770 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2771 2772 auto AnnotateValue = [this, &Style](StringRef Code) { 2773 // Values are annotated only in specific context. 2774 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2775 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2776 }; 2777 // Both of bang/cond operators. 2778 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2779 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2780 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2781 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2782 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2783 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2784 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2785 // DAGArg values with operator identifier 2786 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2787 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2788 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2789 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2790 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2791 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2792 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2793 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2794 // List literal 2795 Tokens = AnnotateValue("[1, 2, 3]"); 2796 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2797 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2798 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2799 // Suffixes of values 2800 Tokens = AnnotateValue("valid.field"); 2801 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2802 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2803 // Code 2804 Tokens = AnnotateValue("[{ code is multiline string }]"); 2805 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2806 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2807 2808 // The definition 2809 Tokens = annotate("def Def : Parent<Child> {}", Style); 2810 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2811 // We use inheritance colon and function brace. They are enough. 2812 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2813 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2814 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2815 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2816 2817 // DAGArg breaking options. They use different token types depending on what 2818 // is specified. 2819 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2820 2821 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2822 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2823 // elements to have line break. 2824 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2825 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2826 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2827 EXPECT_TOKEN(Tokens[1], tok::identifier, 2828 TT_TableGenDAGArgOperatorID); // ins 2829 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2830 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2831 2832 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2833 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2834 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2835 EXPECT_TOKEN(Tokens[1], tok::identifier, 2836 TT_TableGenDAGArgOperatorID); // other 2837 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2838 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2839 2840 // For non-identifier operators, breaks after the operator. 2841 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2842 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2843 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2844 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2845 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2846 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2847 2848 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2849 2850 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2851 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2852 // to have line break inside it. 2853 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2854 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2855 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2856 EXPECT_TOKEN(Tokens[1], tok::identifier, 2857 TT_TableGenDAGArgOperatorToBreak); // ins 2858 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2859 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2860 2861 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2862 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2863 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2864 EXPECT_TOKEN(Tokens[1], tok::identifier, 2865 TT_TableGenDAGArgOperatorToBreak); // other 2866 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2867 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2868 2869 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2870 // specified operators. 2871 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2872 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2873 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2874 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2875 EXPECT_TOKEN(Tokens[1], tok::identifier, 2876 TT_TableGenDAGArgOperatorToBreak); // ins 2877 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2878 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2879 2880 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2881 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2882 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2883 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2884 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2885 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2886 2887 // If TableGenBreakingDAGArgOperators is enabled, it uses 2888 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2889 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2890 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2891 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2892 EXPECT_TOKEN(Tokens[1], tok::identifier, 2893 TT_TableGenDAGArgOperatorToBreak); // ins 2894 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2895 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2896 2897 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2898 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2899 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2900 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2901 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2902 } 2903 2904 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2905 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2906 2907 // The TT_Unknown is clearly not binding for the future, please adapt if those 2908 // tokens get annotated. 2909 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2910 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2911 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2912 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2913 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2914 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2915 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2916 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2917 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2918 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2919 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2920 2921 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2922 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2923 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2924 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2925 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2926 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2927 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2928 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2929 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2930 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2931 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2932 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2933 2934 Tokens = annotate("class Class {\n" 2935 " Class() : BaseClass() {\n" 2936 "#if 0\n" 2937 " // comment\n" 2938 "#endif\n" 2939 " }\n" 2940 " Class f();\n" 2941 "}"); 2942 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2943 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2944 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2945 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2946 } 2947 2948 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2949 auto Tokens = annotate("if (x) {}"); 2950 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2951 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2952 Tokens = annotate("if constexpr (x) {}"); 2953 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2954 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2955 Tokens = annotate("if CONSTEXPR (x) {}"); 2956 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2957 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2958 Tokens = annotate("if (x) {} else if (x) {}"); 2959 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2960 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2961 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2962 } 2963 2964 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2965 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2966 2967 auto Tokens = annotate("int? a;", Style); 2968 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2969 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2970 2971 Tokens = annotate("int? a = 1;", Style); 2972 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2973 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2974 2975 Tokens = annotate("int?)", Style); 2976 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2977 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2978 2979 Tokens = annotate("int?>", Style); 2980 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2981 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2982 2983 Tokens = annotate("cond? id : id2", Style); 2984 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2985 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2986 2987 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2988 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2989 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2990 } 2991 2992 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2993 auto Tokens = annotate("{ x: break; }"); 2994 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2995 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2996 2997 Tokens = annotate("{ case x: break; }"); 2998 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2999 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 3000 3001 Tokens = annotate("{ x: { break; } }"); 3002 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3003 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 3004 3005 Tokens = annotate("{ case x: { break; } }"); 3006 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3007 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 3008 3009 Tokens = annotate("#define FOO label:"); 3010 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3011 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 3012 3013 Tokens = annotate("#define FOO \\\n" 3014 "label: \\\n" 3015 " break;"); 3016 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3017 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 3018 } 3019 3020 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 3021 // The closing braces are not annotated. It doesn't seem to cause a problem. 3022 // So we only test for the opening braces. 3023 auto Tokens = annotate("{\n" 3024 " {\n" 3025 " { int a = 0; }\n" 3026 " }\n" 3027 " {}\n" 3028 "}"); 3029 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3030 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3031 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3032 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3033 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3034 } 3035 3036 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 3037 auto Tokens = annotate("SomeStruct { .a = 1 };"); 3038 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3039 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3040 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 3041 3042 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 3043 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3044 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3045 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 3046 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 3047 3048 Tokens = annotate("SomeStruct {\n" 3049 "#ifdef FOO\n" 3050 " .a = 1,\n" 3051 "#endif\n" 3052 " .b = 2\n" 3053 "};"); 3054 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3055 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3056 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 3057 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 3058 3059 Tokens = annotate("SomeStruct {\n" 3060 "#if defined FOO\n" 3061 " .a = 1,\n" 3062 "#endif\n" 3063 " .b = 2\n" 3064 "};"); 3065 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3066 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3067 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 3068 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 3069 3070 Tokens = annotate("Foo foo[] = {[0]{}};"); 3071 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3072 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 3073 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3074 } 3075 3076 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 3077 auto Annotate = [this](StringRef Code) { 3078 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 3079 }; 3080 3081 // Dictionary. 3082 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 3083 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3084 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 3085 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 3086 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 3087 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 3088 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 3089 // Change when we need to annotate these. 3090 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 3091 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 3092 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 3093 } 3094 3095 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 3096 auto Tokens = annotate("bool foo __attribute__((unused));"); 3097 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3098 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3099 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3100 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 3101 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 3102 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 3103 3104 Tokens = annotate("bool foo __declspec(dllimport);"); 3105 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3106 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3107 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3108 3109 Tokens = annotate("bool __attribute__((unused)) foo;"); 3110 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3111 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3112 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3113 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3114 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3115 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 3116 3117 Tokens = annotate("void __attribute__((x)) Foo();"); 3118 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3119 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3120 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3121 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3122 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3123 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 3124 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 3125 3126 FormatStyle Style = getLLVMStyle(); 3127 Style.AttributeMacros.push_back("FOO"); 3128 Tokens = annotate("bool foo FOO(unused);", Style); 3129 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3130 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 3131 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3132 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3133 } 3134 3135 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 3136 auto Tokens = annotate("while (true) {}"); 3137 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3138 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3139 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3140 3141 Tokens = annotate("for (;;) {}"); 3142 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3143 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 3144 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 3145 3146 Tokens = annotate("do {} while (true);"); 3147 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3148 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3149 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3150 3151 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3152 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3153 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3154 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3155 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3156 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3157 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3158 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3159 3160 Tokens = annotate("switch (foo) {}"); 3161 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3162 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3163 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3164 } 3165 3166 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3167 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3168 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3169 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3170 3171 Tokens = annotate("do ++i; while ( i > 5 );"); 3172 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3173 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3174 } 3175 3176 TEST_F(TokenAnnotatorTest, StartOfName) { 3177 auto Tokens = annotate("#pragma clang diagnostic push"); 3178 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3179 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3180 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3181 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3182 3183 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3184 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3185 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3186 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3187 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3188 3189 Tokens = annotate("#define FOO Foo foo"); 3190 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3191 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3192 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3193 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3194 3195 Tokens = annotate("@interface NSCoder (TestCoder)"); 3196 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3197 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3198 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3199 3200 auto Style = getLLVMStyle(); 3201 Style.StatementAttributeLikeMacros.push_back("emit"); 3202 Tokens = annotate("emit foo = 0;", Style); 3203 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3204 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3205 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3206 } 3207 3208 TEST_F(TokenAnnotatorTest, BraceKind) { 3209 auto Tokens = annotate("void f() {};"); 3210 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3211 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3212 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3213 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3214 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3215 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3216 3217 Tokens = annotate("class Foo<int> f() {}"); 3218 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3219 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3220 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3221 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3222 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3223 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3224 3225 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3226 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3227 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3228 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3229 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3230 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3231 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3232 3233 Tokens = annotate("void f() override {};"); 3234 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3235 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3236 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3237 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3238 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3239 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3240 3241 Tokens = annotate("void f() noexcept(false) {};"); 3242 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3243 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3244 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3245 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3246 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3247 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3248 3249 Tokens = annotate("auto f() -> void {};"); 3250 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3251 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3252 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3253 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3254 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3255 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3256 3257 Tokens = annotate("void f() { /**/ };"); 3258 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3259 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3260 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3261 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3262 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3263 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3264 3265 Tokens = annotate("void f() { //\n" 3266 "};"); 3267 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3268 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3269 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3270 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3271 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3272 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3273 3274 Tokens = annotate("void f() {\n" 3275 " //\n" 3276 "};"); 3277 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3278 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3279 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3280 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3281 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3282 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3283 3284 Tokens = annotate("struct Foo {\n" 3285 " Foo() {};\n" 3286 " ~Foo() {};\n" 3287 "};"); 3288 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3289 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3290 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3291 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3292 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3293 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3294 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3295 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3296 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3297 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3298 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3299 3300 Tokens = annotate("{\n" 3301 " char *a[] = {\n" 3302 " /* abc */ \"abc\",\n" 3303 "#if FOO\n" 3304 " /* xyz */ \"xyz\",\n" 3305 "#endif\n" 3306 " /* last */ \"last\"};\n" 3307 "}"); 3308 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3309 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3310 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3311 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3312 3313 Tokens = 3314 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3315 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3316 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3317 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3318 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3319 3320 Tokens = annotate("struct {};"); 3321 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3322 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3323 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3324 3325 Tokens = annotate("struct : Base {};"); 3326 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3327 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3328 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3329 3330 Tokens = annotate("struct Foo {};"); 3331 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3332 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3333 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3334 3335 Tokens = annotate("struct ::Foo {};"); 3336 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3337 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3338 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3339 3340 Tokens = annotate("struct NS::Foo {};"); 3341 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3342 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3343 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3344 3345 Tokens = annotate("struct Foo<int> {};"); 3346 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3347 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3348 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3349 3350 Tokens = annotate("struct Foo<int>::Bar {};"); 3351 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3352 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3353 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3354 3355 Tokens = annotate("struct Foo<int> : Base {};"); 3356 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3357 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3358 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3359 3360 Tokens = annotate("struct Foo final {};"); 3361 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3362 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3363 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3364 3365 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3366 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3367 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3368 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3369 3370 Tokens = annotate("struct Foo x{};"); 3371 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3372 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3373 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3374 3375 Tokens = annotate("struct ::Foo x{};"); 3376 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3377 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3378 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3379 3380 Tokens = annotate("struct NS::Foo x{};"); 3381 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3382 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3383 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3384 3385 Tokens = annotate("struct Foo<int> x{};"); 3386 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3387 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3388 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3389 3390 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3391 "#else\n" 3392 "#endif\n" 3393 "class RenderingServer : Object {\n" 3394 "#ifndef DISABLE_DEPRECATED\n" 3395 " enum Features {\n" 3396 " FEATURE_SHADERS,\n" 3397 " FEATURE_MULTITHREADED,\n" 3398 " };\n" 3399 "#endif\n" 3400 "};"); 3401 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3402 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3403 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3404 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3405 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3406 3407 Tokens = annotate("{\n" 3408 "#define M(x) \\\n" 3409 " return {#x};\n" 3410 "}"); 3411 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3412 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3413 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3414 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3415 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3416 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3417 3418 Tokens = annotate("{\n" 3419 " {\n" 3420 "#define GEN_ID(_x) char *_x{#_x}\n" 3421 " GEN_ID(one);\n" 3422 " }\n" 3423 "}"); 3424 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 3425 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3426 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3427 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3428 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3429 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3430 EXPECT_BRACE_KIND(Tokens[14], BK_BracedInit); 3431 EXPECT_BRACE_KIND(Tokens[20], BK_Block); 3432 EXPECT_BRACE_KIND(Tokens[21], BK_Block); 3433 3434 Tokens = annotate("{\n" 3435 "#define FOO \\\n" 3436 " { \\\n" 3437 " case bar: { \\\n" 3438 " break; \\\n" 3439 " } \\\n" 3440 " }\n" 3441 "}"); 3442 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3443 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_BlockLBrace); 3444 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3445 EXPECT_TOKEN(Tokens[7], tok::colon, TT_CaseLabelColon); 3446 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3447 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3448 EXPECT_BRACE_KIND(Tokens[12], BK_Block); 3449 3450 Tokens = annotate("a = class extends goog.a {};", 3451 getGoogleStyle(FormatStyle::LK_JavaScript)); 3452 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3453 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3454 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3455 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3456 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3457 3458 Tokens = annotate("a = class Foo extends goog.a {};", 3459 getGoogleStyle(FormatStyle::LK_JavaScript)); 3460 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3461 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_ClassLBrace); 3462 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3463 EXPECT_TOKEN(Tokens[9], tok::r_brace, TT_ClassRBrace); 3464 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3465 3466 Tokens = annotate("#define FOO(X) \\\n" 3467 " struct X##_tag_ {};"); 3468 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3469 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3470 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3471 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3472 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3473 3474 Tokens = annotate("#define MACRO \\\n" 3475 " struct hash<type> { \\\n" 3476 " void f() { return; } \\\n" 3477 " };"); 3478 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3479 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3480 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3481 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3482 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3483 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3484 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3485 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3486 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3487 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3488 3489 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3490 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3491 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3492 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3493 } 3494 3495 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3496 auto Tokens = annotate("auto foo() -> enum En {}"); 3497 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3498 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3499 } 3500 3501 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3502 auto Tokens = annotate("{\n" 3503 " {\n" 3504 " foo();\n" 3505 " }\n" 3506 "}"); 3507 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3508 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3509 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3510 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3511 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3512 3513 Tokens = annotate("void bar() {\n" 3514 " {\n" 3515 " foo();\n" 3516 " }\n" 3517 "}"); 3518 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3519 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3520 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3521 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3522 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3523 3524 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3525 getLLVMStyle(FormatStyle::LK_ObjC)); 3526 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3527 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3528 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3529 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3530 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3531 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3532 } 3533 3534 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3535 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3536 auto Tokens = annotate("i = switch (day) {\n" 3537 " case THURSDAY, SATURDAY -> 8;\n" 3538 " case WEDNESDAY -> 9;\n" 3539 " default -> 1;\n" 3540 "};", 3541 Style); 3542 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3543 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3544 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3545 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3546 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3547 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3548 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3549 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3550 } 3551 3552 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3553 auto Tokens = annotate("a = b and c;"); 3554 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3555 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3556 3557 Tokens = annotate("a = b and_eq c;"); 3558 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3559 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3560 3561 Tokens = annotate("a = b bitand c;"); 3562 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3563 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3564 3565 Tokens = annotate("a = b bitor c;"); 3566 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3567 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3568 3569 Tokens = annotate("a = b compl c;"); 3570 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3571 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3572 3573 Tokens = annotate("a = b not c;"); 3574 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3575 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3576 3577 Tokens = annotate("a = b not_eq c;"); 3578 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3579 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3580 3581 Tokens = annotate("a = b or c;"); 3582 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3583 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3584 3585 Tokens = annotate("a = b or_eq c;"); 3586 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3587 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3588 3589 Tokens = annotate("a = b xor c;"); 3590 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3591 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3592 3593 Tokens = annotate("a = b xor_eq c;"); 3594 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3595 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3596 3597 Tokens = annotate("xor = foo;"); 3598 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3599 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3600 3601 Tokens = annotate("int xor = foo;"); 3602 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3603 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3604 } 3605 3606 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3607 auto Tokens = 3608 annotate("Foo::Foo(int x, int y) try\n" 3609 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3610 "} catch (...) {\n" 3611 "}"); 3612 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3613 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3614 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3615 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3616 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3617 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3618 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3619 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3620 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3621 } 3622 3623 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3624 auto Style = getLLVMStyle(); 3625 Style.TypenameMacros.push_back("STRUCT"); 3626 3627 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3628 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3629 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3630 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3631 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3632 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3633 } 3634 3635 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3636 auto Style = getGNUStyle(); 3637 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3638 3639 auto Tokens = annotate("return 1 <=> 2;", Style); 3640 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3641 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3642 } 3643 3644 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3645 auto Style = getLLVMStyle(); 3646 Style.ColumnLimit = 20; 3647 3648 auto Tokens = annotate("class foo {\n" 3649 " auto bar()\n" 3650 " -> bool;\n" 3651 "};", 3652 Style); 3653 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3654 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3655 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3656 } 3657 3658 TEST_F(TokenAnnotatorTest, TemplateName) { 3659 constexpr StringRef Code{"return Foo < A || B > (C ^ D);"}; 3660 3661 auto Tokens = annotate(Code); 3662 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3663 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 3664 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 3665 3666 auto Style = getLLVMStyle(); 3667 Style.TemplateNames.push_back("Foo"); 3668 3669 Tokens = annotate(Code, Style); 3670 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_TemplateName); 3671 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3672 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3673 } 3674 3675 TEST_F(TokenAnnotatorTest, TemplateInstantiation) { 3676 auto Tokens = annotate("return FixedInt<N | M>();"); 3677 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3678 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3679 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3680 3681 Tokens = annotate("return FixedInt<N | M>(foo);"); 3682 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3683 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3684 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3685 3686 Tokens = annotate("return std::conditional_t<T::value == U::value, T, U>{};"); 3687 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3688 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 3689 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 3690 3691 Tokens = 3692 annotate("auto x{std::conditional_t<T::value == U::value, T, U>{}};"); 3693 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 3694 EXPECT_TOKEN(Tokens[6], tok::less, TT_TemplateOpener); 3695 EXPECT_TOKEN(Tokens[18], tok::greater, TT_TemplateCloser); 3696 } 3697 3698 TEST_F(TokenAnnotatorTest, VariableTemplate) { 3699 auto Style = getLLVMStyle(); 3700 Style.VariableTemplates.push_back("a"); 3701 3702 auto Tokens = annotate("auto t3 = (a<int>) + b;", Style); 3703 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3704 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VariableTemplate); 3705 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 3706 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 3707 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); // Not TT_CastRParen 3708 EXPECT_TOKEN(Tokens[9], tok::plus, TT_BinaryOperator); 3709 } 3710 3711 TEST_F(TokenAnnotatorTest, SwitchInMacroArgument) { 3712 auto Tokens = annotate("FOOBAR(switch);\n" 3713 "void f() {}"); 3714 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3715 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_FunctionLBrace); 3716 } 3717 3718 TEST_F(TokenAnnotatorTest, AfterPPDirective) { 3719 auto Tokens = annotate("#error -- My error message"); 3720 3721 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3722 EXPECT_TOKEN(Tokens[2], tok::minusminus, TT_AfterPPDirective); 3723 } 3724 3725 } // namespace 3726 } // namespace format 3727 } // namespace clang 3728