1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public testing::Test { 28 protected: 29 TokenList annotate(StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_SPLIT_PENALTY(FormatTok, Penalty) \ 46 EXPECT_EQ(FormatTok->SplitPenalty, Penalty) << *(FormatTok) 47 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 48 do { \ 49 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 50 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 51 } while (false) 52 53 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 54 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 55 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 56 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 57 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 59 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 60 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 61 62 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 63 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 64 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 65 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 66 67 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 68 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 69 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 70 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 72 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 73 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 74 75 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 76 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 77 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 78 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 79 80 Tokens = annotate("void f() {\n" 81 " while (p < a && *p == 'a')\n" 82 " p++;\n" 83 "}"); 84 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 85 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 86 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 87 88 Tokens = annotate("case *x:"); 89 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 90 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 91 Tokens = annotate("case &x:"); 92 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 93 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 94 95 Tokens = annotate("bool b = 3 == int{3} && true;"); 96 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 97 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 98 99 Tokens = annotate("struct {\n" 100 "} *ptr;"); 101 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 102 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 103 Tokens = annotate("union {\n" 104 "} *ptr;"); 105 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 106 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 107 Tokens = annotate("class {\n" 108 "} *ptr;"); 109 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 110 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 111 112 Tokens = annotate("struct {\n" 113 "} &&ptr = {};"); 114 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 115 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 116 Tokens = annotate("union {\n" 117 "} &&ptr = {};"); 118 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 119 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 120 Tokens = annotate("class {\n" 121 "} &&ptr = {};"); 122 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 123 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 124 Tokens = annotate("int i = int{42} * 2;"); 125 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 126 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 127 128 Tokens = annotate("delete[] *ptr;"); 129 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 130 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 131 Tokens = annotate("delete[] **ptr;"); 132 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 133 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 134 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 135 Tokens = annotate("delete[] *(ptr);"); 136 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 137 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 138 139 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 141 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 142 // FIXME: The star of a function pointer probably makes more sense as 143 // TT_PointerOrReference. 144 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 145 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 146 147 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 148 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 149 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 150 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 151 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 152 153 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 154 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 155 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 156 157 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 158 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 159 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 160 161 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 162 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 163 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 164 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 165 166 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 167 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 168 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 169 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 170 171 Tokens = annotate("Type1 &val1 = val2;"); 172 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 173 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 174 175 Tokens = annotate("Type1 *val1 = &val2;"); 176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 177 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 178 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 179 180 Tokens = annotate("val1 & val2;"); 181 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 182 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 183 184 Tokens = annotate("val1 & val2.member;"); 185 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 186 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 187 188 Tokens = annotate("val1 & val2.*member;"); 189 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 190 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 191 192 Tokens = annotate("val1.*member & val2;"); 193 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 194 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 195 196 Tokens = annotate("val1 & val2->*member;"); 197 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 198 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 199 200 Tokens = annotate("val1->member & val2;"); 201 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 202 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 203 204 Tokens = annotate("val1 & val2 & val3;"); 205 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 206 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 207 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 208 209 Tokens = annotate("val1 & val2 // comment\n" 210 " & val3;"); 211 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 212 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 213 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 214 215 Tokens = 216 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 217 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 218 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 220 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 221 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 222 223 Tokens = annotate("class c {\n" 224 " void func(type &a) { a & member; }\n" 225 " anotherType &member;\n" 226 "}"); 227 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 228 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 229 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 230 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 231 232 Tokens = annotate("struct S {\n" 233 " auto Mem = C & D;\n" 234 "}"); 235 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 236 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 237 238 Tokens = 239 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 240 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 241 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 242 243 Tokens = annotate("template <typename T> struct S {\n" 244 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 245 "};"); 246 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 247 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 248 249 Tokens = annotate("template <bool B = C && D> struct S {};"); 250 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 251 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 252 253 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 254 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 255 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 256 257 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 258 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 259 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 260 261 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 262 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 263 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 264 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 265 266 Tokens = annotate("Foo<A && B> a = {};"); 267 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 268 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 269 270 Tokens = annotate("Foo<A &&> a = {};"); 271 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 272 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 273 274 Tokens = annotate("template <typename T>\n" 275 "enable_if_t<is_integral_v<T>, bool> // comment\n" 276 "operator~(T &a);"); 277 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 278 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 279 280 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 281 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 282 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 283 284 Tokens = 285 annotate("auto foo() noexcept(noexcept(bar()) && " 286 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 287 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 288 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 289 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 290 291 Tokens = annotate("foo = *i < *j && *j > *k;"); 292 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 293 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 294 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 295 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 296 297 Tokens = annotate("if (Foo *foo; bar)"); 298 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 299 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 300 301 Tokens = annotate("if (Foo **foo(); bar)"); 302 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 303 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 304 EXPECT_TOKEN(Tokens[4], tok::star, TT_PointerOrReference); 305 306 Tokens = annotate("if (Foo *&foo{a}; bar)"); 307 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 308 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 309 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 310 311 FormatStyle Style = getLLVMStyle(); 312 Style.TypeNames.push_back("MYI"); 313 Tokens = annotate("if (MYI *p{nullptr})", Style); 314 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 315 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 316 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 317 318 Style.TypeNames.push_back("Class"); 319 Tokens = annotate("if (Class *obj {getObj()})", Style); 320 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 321 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 322 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 323 324 Tokens = annotate("class Foo {\n" 325 " void operator<() {}\n" 326 " Foo &f;\n" 327 "};"); 328 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 329 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 330 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 331 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 332 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 333 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 334 335 Tokens = annotate("if (new && num) {\n" 336 " new = 1;\n" 337 "}\n" 338 "if (!delete && num) {\n" 339 " delete = 1;\n" 340 "}"); 341 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 342 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 343 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 344 345 Tokens = annotate("#define FOO \\\n" 346 " void foo() { f(a * b); }"); 347 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 348 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 349 350 Tokens = annotate("for (int i; Foo *&foo : foos)"); 351 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 352 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 353 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 354 EXPECT_TOKEN(Tokens[9], tok::colon, TT_RangeBasedForLoopColon); 355 356 Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };"); 357 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 358 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 359 360 Tokens = annotate("namespace {\n" 361 "#define FOO(x) void foo(a##x *b);\n" 362 "}"); 363 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 364 EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference); 365 366 Tokens = annotate("Thingy kConfig = {\n" 367 " 1,\n" 368 " (uint16_t)(kScale * height_pixels),\n" 369 "};"); 370 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 371 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_CastRParen); 372 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 373 374 Tokens = annotate("template <typename T>\n" 375 "concept C = requires(T a, T b) { a && b; };"); 376 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 377 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 378 EXPECT_TOKEN(Tokens[18], tok::ampamp, TT_BinaryOperator); 379 380 Tokens = annotate("template <typename T, typename V>\n" 381 "concept CheckMultiplicableBy = requires(T a, V b) {\n" 382 " { a * b } -> std::same_as<T>;\n" 383 "};"); 384 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 385 EXPECT_TOKEN(Tokens[19], tok::l_brace, TT_RequiresExpressionLBrace); 386 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_CompoundRequirementLBrace); 387 EXPECT_TOKEN(Tokens[22], tok::star, TT_BinaryOperator); 388 } 389 390 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 391 auto Tokens = annotate("x - 0"); 392 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 393 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 394 Tokens = annotate("0 + 0"); 395 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 397 Tokens = annotate("x + +0"); 398 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 399 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 400 Tokens = annotate("x ? -0 : +0"); 401 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 402 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 403 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 404 Tokens = annotate("(-0)"); 405 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 406 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 407 Tokens = annotate("0, -0"); 408 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 409 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 410 Tokens = annotate("for (; -1;) {\n}"); 411 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 412 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 413 Tokens = annotate("x = -1;"); 414 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 415 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 416 Tokens = annotate("x[-1]"); 417 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 418 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 419 Tokens = annotate("x = {-1};"); 420 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 421 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 422 Tokens = annotate("case -x:"); 423 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 424 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 425 Tokens = annotate("co_await -x;"); 426 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 427 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 428 Tokens = annotate("co_return -x;"); 429 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 430 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 431 Tokens = annotate("co_yield -x;"); 432 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 433 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 434 Tokens = annotate("delete -x;"); 435 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 436 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 437 Tokens = annotate("return -x;"); 438 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 439 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 440 Tokens = annotate("throw -x;"); 441 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 442 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 443 Tokens = annotate("sizeof -x"); 444 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 445 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 446 Tokens = annotate("co_await +x;"); 447 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 448 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 449 Tokens = annotate("co_return +x;"); 450 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 451 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 452 Tokens = annotate("co_yield +x;"); 453 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 454 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 455 Tokens = annotate("delete +x;"); 456 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 457 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 458 Tokens = annotate("return +x;"); 459 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 460 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 461 Tokens = annotate("throw +x;"); 462 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 463 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 464 Tokens = annotate("sizeof +x"); 465 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 466 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 467 Tokens = annotate("(int)-x"); 468 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 469 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 470 Tokens = annotate("(-x)"); 471 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 472 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 473 Tokens = annotate("!+x"); 474 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 475 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 476 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 477 } 478 479 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 480 auto Tokens = annotate("class C {};"); 481 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 482 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 483 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 484 485 Tokens = annotate("const class C {} c;"); 486 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 487 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 488 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 489 490 Tokens = annotate("const class {} c;"); 491 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 492 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 493 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 494 495 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 496 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 497 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 498 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 499 } 500 501 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 502 auto Tokens = annotate("struct S {};"); 503 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 504 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 505 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 506 507 Tokens = annotate("struct macro(a) S {};"); 508 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 509 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 510 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 511 512 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 513 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 514 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 515 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 516 517 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 518 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 519 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 520 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 521 522 Tokens = annotate("struct macro(a) S {\n" 523 " void f(T &t);\n" 524 "};"); 525 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 526 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 527 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 528 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 529 530 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 531 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 532 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 533 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 534 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 535 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 536 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 537 538 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 539 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 540 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 541 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 542 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 543 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 544 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 545 546 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 547 " void f(T const (&a)[n]);\n" 548 "};"); 549 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 550 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 551 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 552 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 553 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 554 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 555 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 556 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 557 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 558 559 Tokens = annotate("template <typename T, enum E e> struct S {};"); 560 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 561 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 562 563 auto Style = getLLVMStyle(); 564 Style.AttributeMacros.push_back("EXPORT"); 565 Tokens = annotate("struct EXPORT StructName {};", Style); 566 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 567 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 568 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 569 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 570 } 571 572 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 573 auto Tokens = annotate("union U {};"); 574 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 575 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 576 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 577 578 Tokens = annotate("union U { void f() { return; } };"); 579 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 580 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 581 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 582 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 583 } 584 585 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 586 auto Tokens = annotate("enum E {};"); 587 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 588 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 589 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 590 } 591 592 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 593 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 594 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 595 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 596 597 Tokens = annotate("template <typename T> void F(T) && = delete;"); 598 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 599 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 600 } 601 602 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 603 auto Tokens = 604 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 605 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 606 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 607 } 608 609 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 610 auto Tokens = 611 annotate("template <typename T> " 612 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 613 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 614 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 615 } 616 617 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 618 auto Tokens = 619 annotate("#define FOO(typeName) \\\n" 620 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 621 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 622 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 623 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 624 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 625 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 626 } 627 628 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 629 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 630 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 631 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 632 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 633 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 634 } 635 636 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 637 // IsExpression = false 638 auto Tokens = annotate("foo<true ? 1 : 2>();"); 639 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 640 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 641 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 642 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 643 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 644 645 // IsExpression = true 646 647 Tokens = annotate("return foo<true ? 1 : 2>();"); 648 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 649 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 650 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 651 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 652 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 653 654 Tokens = annotate("return foo<true ? 1 : 2>{};"); 655 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 656 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 657 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 658 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 659 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 660 } 661 662 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 663 auto Tokens = annotate("return a < b && c > d;"); 664 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 665 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 666 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 667 668 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 669 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 670 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 671 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 672 673 Tokens = annotate("return A < B ? true : A > B;"); 674 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 675 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 676 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 677 678 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 679 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 680 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 681 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 682 683 Tokens = annotate("return checklower ? a < b : a > b;"); 684 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 685 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 686 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 687 688 Tokens = annotate("return A < B ^ A > B;"); 689 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 690 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 691 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 692 693 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 694 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 695 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 696 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 697 } 698 699 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 700 auto Tokens = annotate("template <template <typename...> typename X,\n" 701 " template <typename...> class Y,\n" 702 " typename... T>\n" 703 "class A {};"); 704 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 705 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 706 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 707 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 708 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 709 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 710 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 711 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 712 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 713 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 714 } 715 716 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 717 FormatStyle Style = getLLVMStyle(); 718 Style.WhitespaceSensitiveMacros.push_back("FOO"); 719 720 auto Tokens = annotate("FOO(1+2 )", Style); 721 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 722 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 723 724 Tokens = annotate("FOO(a:b:c)", Style); 725 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 726 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 727 } 728 729 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 730 auto Tokens = annotate("delete (void *)p;"); 731 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 732 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 733 734 Tokens = annotate("delete[] (void *)p;"); 735 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 736 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 737 738 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 739 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 740 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 741 742 Tokens = annotate("delete[/*comment*/] (void *)p;"); 743 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 744 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 745 746 Tokens = annotate("delete/*comment*/[] (void *)p;"); 747 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 748 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 749 } 750 751 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 752 auto Tokens = annotate("(void)p;"); 753 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 754 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 755 756 Tokens = annotate("(uint32_t)&&label;"); 757 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 758 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 759 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 760 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 761 762 Tokens = annotate("auto x = (Foo)p;"); 763 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 764 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 765 766 Tokens = annotate("(std::vector<int>)p;"); 767 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 768 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 769 770 Tokens = annotate("return (Foo)p;"); 771 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 772 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 773 774 Tokens = annotate("throw (Foo)p;"); 775 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 776 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 777 778 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 779 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 780 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 781 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 782 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 783 784 Tokens = annotate("#define foo(i) ((i) - bar)"); 785 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 786 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 787 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 788 789 Tokens = annotate("return (Foo) & 10;"); 790 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 791 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 792 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 793 794 Tokens = annotate("return (struct foo){};"); 795 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 796 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 797 798 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 799 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 800 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 801 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 802 803 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 804 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 805 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 806 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 807 808 Tokens = annotate("func((void (*)())&a);"); 809 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 810 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 811 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 812 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 813 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 814 815 Tokens = annotate("int result = ((int)a) - b;"); 816 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 817 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 818 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 819 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 820 821 Tokens = annotate("return (double)(foo(30)) - 15;"); 822 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 823 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 824 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 825 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 826 827 Tokens = annotate("return (::Type)(1 + 2);"); 828 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 829 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 830 831 Tokens = annotate("return (Namespace::Class)(1 + 2);"); 832 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 833 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 834 835 Tokens = annotate("return (Foo (*)(void *, Bar, ...))&foo;"); 836 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 837 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionTypeLParen); 838 EXPECT_TOKEN(Tokens[14], tok::r_paren, TT_CastRParen); 839 EXPECT_TOKEN(Tokens[15], tok::amp, TT_UnaryOperator); 840 841 auto Style = getLLVMStyle(); 842 Style.TypeNames.push_back("Foo"); 843 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 844 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 845 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 846 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 847 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 848 } 849 850 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 851 auto Tokens = annotate("void f() throw(int);"); 852 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 853 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 854 } 855 856 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 857 auto Tokens = annotate("void f() &;"); 858 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 859 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 860 861 Tokens = annotate("void operator=(T) &&;"); 862 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 863 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 864 865 Tokens = annotate("template <typename T> void f() &;"); 866 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 867 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 868 869 Tokens = annotate("template <typename T> void operator=(T) &;"); 870 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 871 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 872 } 873 874 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 875 auto Tokens = annotate("x.operator+()"); 876 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 877 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 878 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 879 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 880 Tokens = annotate("x.operator=()"); 881 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 882 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 883 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 884 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 885 Tokens = annotate("x.operator+=()"); 886 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 887 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 888 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 889 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 890 Tokens = annotate("x.operator,()"); 891 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 892 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 893 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 894 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 895 Tokens = annotate("x.operator()()"); 896 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 897 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 898 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 899 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 900 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 901 Tokens = annotate("x.operator[]()"); 902 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 903 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 904 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 905 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 906 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 907 Tokens = annotate("x.operator\"\"_a()"); 908 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 909 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 910 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 911 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 912 Tokens = annotate("x.operator\"\" _a()"); 913 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 914 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 915 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 916 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 917 Tokens = annotate("x.operator\"\"if()"); 918 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 919 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 920 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 921 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 922 Tokens = annotate("x.operator\"\"s()"); 923 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 924 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 925 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 926 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 927 Tokens = annotate("x.operator\"\" s()"); 928 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 929 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 930 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 931 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 932 933 Tokens = annotate("int operator+(int);"); 934 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 935 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 936 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 937 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 938 Tokens = annotate("auto operator=(T&) {}"); 939 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 940 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 941 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 942 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 943 Tokens = annotate("auto operator()() {}"); 944 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 945 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 946 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 947 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 948 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 949 950 Tokens = annotate("class Foo {\n" 951 " int operator+(a* b);\n" 952 "}"); 953 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 954 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 955 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 956 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 957 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 958 959 Tokens = annotate("class Foo {\n" 960 " int c = operator+(a * b);\n" 961 "}"); 962 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 963 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 964 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 965 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 966 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 967 968 Tokens = annotate("void foo() {\n" 969 " operator+(a * b);\n" 970 "}"); 971 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 972 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 973 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 974 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 975 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 976 977 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 978 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 979 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 980 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 981 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 982 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 983 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 984 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 985 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 986 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 987 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 988 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 989 990 Tokens = annotate("class Foo {\n" 991 " void foo() {\n" 992 " operator+(a * b);\n" 993 " }\n" 994 "}"); 995 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 996 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 997 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 998 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 999 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 1000 1001 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 1002 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1003 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 1004 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1005 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 1006 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 1007 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 1008 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 1009 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 1010 1011 Tokens = annotate("decltype(auto) operator()(T &x);"); 1012 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1013 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 1014 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 1015 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 1016 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 1017 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 1018 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 1019 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 1020 1021 Tokens = annotate("friend ostream& ::operator<<(ostream& lhs, foo& rhs);"); 1022 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1023 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 1024 EXPECT_TOKEN(Tokens[5], tok::lessless, TT_OverloadedOperator); 1025 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 1026 EXPECT_TOKEN(Tokens[8], tok::amp, TT_PointerOrReference); 1027 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 1028 } 1029 1030 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 1031 struct { 1032 const char *Text; 1033 tok::TokenKind Kind; 1034 } Operators[] = {{"+", tok::plus}, 1035 {"-", tok::minus}, 1036 // FIXME: 1037 // {"*", tok::star}, 1038 {"/", tok::slash}, 1039 {"%", tok::percent}, 1040 {"^", tok::caret}, 1041 // FIXME: 1042 // {"&", tok::amp}, 1043 {"|", tok::pipe}, 1044 {"~", tok::tilde}, 1045 {"!", tok::exclaim}, 1046 {"=", tok::equal}, 1047 // FIXME: 1048 // {"<", tok::less}, 1049 {">", tok::greater}, 1050 {"+=", tok::plusequal}, 1051 {"-=", tok::minusequal}, 1052 {"*=", tok::starequal}, 1053 {"/=", tok::slashequal}, 1054 {"%=", tok::percentequal}, 1055 {"^=", tok::caretequal}, 1056 {"&=", tok::ampequal}, 1057 {"|=", tok::pipeequal}, 1058 {"<<", tok::lessless}, 1059 {">>", tok::greatergreater}, 1060 {">>=", tok::greatergreaterequal}, 1061 {"<<=", tok::lesslessequal}, 1062 {"==", tok::equalequal}, 1063 {"!=", tok::exclaimequal}, 1064 {"<=", tok::lessequal}, 1065 {">=", tok::greaterequal}, 1066 {"<=>", tok::spaceship}, 1067 {"&&", tok::ampamp}, 1068 {"||", tok::pipepipe}, 1069 {"++", tok::plusplus}, 1070 {"--", tok::minusminus}, 1071 {",", tok::comma}, 1072 {"->*", tok::arrowstar}, 1073 {"->", tok::arrow}}; 1074 1075 for (const auto &Operator : Operators) { 1076 std::string Input("C<&operator"); 1077 Input += Operator.Text; 1078 Input += " > a;"; 1079 auto Tokens = annotate(std::string(Input)); 1080 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1081 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1082 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1083 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1084 } 1085 1086 auto Tokens = annotate("C<&operator< <X>> lt;"); 1087 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1088 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1089 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1090 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1091 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1092 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1093 } 1094 1095 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1096 auto Tokens = annotate("template <typename T>\n" 1097 "concept C = (Foo && Bar) && (Bar && Baz);"); 1098 1099 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1100 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1101 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1102 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1103 1104 Tokens = annotate("template <typename T>\n" 1105 "concept C = Foo && !Bar;"); 1106 1107 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1108 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1109 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1110 1111 Tokens = annotate("template <typename T>\n" 1112 "concept C = requires(T t) {\n" 1113 " { t.foo() };\n" 1114 "} && Bar<T> && Baz<T>;"); 1115 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1116 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1117 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1118 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1119 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1120 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1121 1122 Tokens = annotate("template<typename T>\n" 1123 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1124 "struct Foo;"); 1125 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1126 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1127 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1128 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1129 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1130 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1131 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1132 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1133 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1134 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1135 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1136 1137 Tokens = 1138 annotate("template<typename T>\n" 1139 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1140 "struct Foo;"); 1141 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1142 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1143 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1144 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1145 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1146 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1147 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1148 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1149 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1150 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1151 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1152 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1153 1154 Tokens = annotate("template <typename T>\n" 1155 "void foo(T) noexcept requires Bar<T>;"); 1156 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1157 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1158 1159 Tokens = annotate("template <typename T>\n" 1160 "requires Bar<T> || Baz<T>\n" 1161 "auto foo(T) -> int;"); 1162 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1163 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1164 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1165 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1166 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1167 1168 Tokens = annotate("template <typename T>\n" 1169 "requires Bar<T>\n" 1170 "bool foo(T) { return false; }"); 1171 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1172 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1173 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1174 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1175 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1176 1177 Tokens = annotate("template <typename T>\n" 1178 "requires Bar<T>\n" 1179 "decltype(auto) foo(T) { return false; }"); 1180 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1181 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1182 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1183 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1184 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1185 1186 Tokens = annotate("template <typename T>\n" 1187 "struct S {\n" 1188 " void foo() const requires Bar<T>;\n" 1189 " void bar() const & requires Baz<T>;\n" 1190 " void bar() && requires Baz2<T>;\n" 1191 " void baz() const & noexcept requires Baz<T>;\n" 1192 " void baz() && noexcept requires Baz2<T>;\n" 1193 "};\n" 1194 "\n" 1195 "void S::bar() const & requires Baz<T> { }"); 1196 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1197 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1198 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1199 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1200 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1201 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1202 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1203 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1204 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1205 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1206 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1207 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1208 1209 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1210 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1211 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1212 1213 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1214 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1215 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1216 1217 Tokens = 1218 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1219 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1220 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1221 1222 Tokens = annotate("void Class::member() && requires(typename " 1223 "Namespace::Outer<T>::Inner::Constant) {}"); 1224 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1225 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1226 1227 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1228 " template<class T>\n" 1229 " requires requires { number_zero_v<T>; }\n" 1230 " [[nodiscard]] constexpr operator T() const { " 1231 "return number_zero_v<T>; }\n" 1232 "};"); 1233 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1234 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1235 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1236 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1237 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1238 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1239 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1240 1241 Tokens = 1242 annotate("template <class A, class B> concept C =" 1243 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1244 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1245 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1246 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1247 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1248 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1249 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1250 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1251 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1252 1253 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1254 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1255 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1256 1257 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1258 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1259 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1260 1261 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1262 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1263 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1264 1265 Tokens = 1266 annotate("auto bar() -> SOME_MACRO_TYPE 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 = 1271 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1272 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1273 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1274 1275 Tokens = 1276 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1277 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1278 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1279 1280 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1281 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1282 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1283 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1284 1285 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1286 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1287 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1288 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1289 1290 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1291 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1292 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1293 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1294 1295 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1296 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1297 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1298 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1299 1300 Tokens = annotate("void f() & requires(true) {}"); 1301 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1302 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1303 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1304 1305 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1306 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1307 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1308 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1309 1310 Tokens = annotate("template <typename T>\n" 1311 "concept C = (!Foo<T>) && Bar;"); 1312 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1313 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1314 1315 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1316 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1317 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1318 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1319 1320 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1321 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1322 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1323 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1324 1325 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1326 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1327 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1328 1329 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1330 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1331 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1332 1333 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1334 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1335 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1336 1337 // Second function definition is required due to lookahead 1338 Tokens = annotate("void f() &\n" 1339 " requires(n == 1)\n" 1340 "{}\n" 1341 "void g();"); 1342 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1343 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1344 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1345 } 1346 1347 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1348 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1349 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1350 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1351 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1352 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1353 1354 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1355 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1356 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1357 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1358 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1359 1360 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1361 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1362 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1363 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1364 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1365 1366 Tokens = annotate("foo(requires(const T t) {});"); 1367 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1368 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1369 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1370 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1371 1372 Tokens = annotate("foo(requires(const int t) {});"); 1373 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1374 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1375 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1376 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1377 1378 Tokens = annotate("foo(requires(const T t) {});"); 1379 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1380 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1381 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1382 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1383 1384 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1385 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1386 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1387 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1388 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1389 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1390 1391 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1392 ASSERT_EQ(Tokens.size(), 15u) << 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[6], tok::star, TT_PointerOrReference); 1396 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1397 1398 Tokens = annotate("foo(requires(T& t) {});"); 1399 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1400 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1401 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1402 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1403 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1404 1405 Tokens = annotate("foo(requires(T&& t) {});"); 1406 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1407 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1408 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1409 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1410 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1411 1412 Tokens = annotate("bool foo = requires(T& t) {};"); 1413 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1414 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1415 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1416 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1417 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1418 1419 Tokens = annotate("bool foo = requires(T&& t) {};"); 1420 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1421 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1422 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1423 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1424 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1425 1426 Tokens = 1427 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1428 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1429 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1430 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1431 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1432 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1433 1434 Tokens = annotate("template <typename T>\n" 1435 "concept C = requires(T T) {\n" 1436 " requires Bar<T> && Foo<T>;\n" 1437 "};"); 1438 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1439 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1440 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1441 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1442 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1443 TT_RequiresClauseInARequiresExpression); 1444 1445 Tokens = annotate("template <typename T>\n" 1446 "concept C = requires(T T) {\n" 1447 " { t.func() } -> std::same_as<int>;" 1448 " requires Bar<T> && Foo<T>;\n" 1449 "};"); 1450 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1451 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1452 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1453 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1454 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1455 TT_RequiresClauseInARequiresExpression); 1456 1457 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1458 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1459 "requires true; };"); 1460 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1461 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1462 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1463 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1464 1465 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1466 " { c.foo(); }\n" 1467 "};"); 1468 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1469 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1470 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1471 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1472 } 1473 1474 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1475 // Everything after #pragma region should be ImplicitStringLiteral 1476 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1477 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1478 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1479 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1480 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1481 1482 // Make sure it's annotated correctly inside a function as well 1483 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1484 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1485 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1486 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1487 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1488 } 1489 1490 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1491 const char *BaseCode = nullptr; 1492 const char *ConstrainedCode = nullptr; 1493 auto BaseTokenCount = 0u; 1494 auto RequiresTokenCount = 0u; 1495 auto PrefixTokenCount = 0u; 1496 1497 auto TestRequires = [&](int Line) { 1498 const auto BaseTokens = annotate(BaseCode); 1499 const auto ConstrainedTokens = annotate(ConstrainedCode); 1500 1501 #define LINE " (Line " << Line << ')' 1502 1503 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1504 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1505 << LINE; 1506 1507 for (auto I = 0u; I < BaseTokenCount; ++I) { 1508 EXPECT_EQ( 1509 *BaseTokens[I], 1510 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1511 << I << LINE; 1512 } 1513 1514 #undef LINE 1515 }; 1516 1517 BaseCode = "template<typename T>\n" 1518 "T Pi = 3.14;"; 1519 ConstrainedCode = "template<typename T>\n" 1520 " requires Foo<T>\n" 1521 "T Pi = 3.14;"; 1522 BaseTokenCount = 11; 1523 RequiresTokenCount = 5; 1524 PrefixTokenCount = 5; 1525 TestRequires(__LINE__); 1526 1527 BaseCode = "template<typename T>\n" 1528 "struct Bar;"; 1529 ConstrainedCode = "template<typename T>\n" 1530 " requires Foo<T>\n" 1531 "struct Bar;"; 1532 BaseTokenCount = 9; 1533 TestRequires(__LINE__); 1534 1535 BaseCode = "template<typename T>\n" 1536 "struct Bar {\n" 1537 " T foo();\n" 1538 " T bar();\n" 1539 "};"; 1540 ConstrainedCode = "template<typename T>\n" 1541 " requires Foo<T>\n" 1542 "struct Bar {\n" 1543 " T foo();\n" 1544 " T bar();\n" 1545 "};"; 1546 BaseTokenCount = 21; 1547 TestRequires(__LINE__); 1548 1549 BaseCode = "template<typename T>\n" 1550 "Bar(T) -> Bar<T>;"; 1551 ConstrainedCode = "template<typename T>\n" 1552 " requires Foo<T>\n" 1553 "Bar(T) -> Bar<T>;"; 1554 BaseTokenCount = 16; 1555 TestRequires(__LINE__); 1556 1557 BaseCode = "template<typename T>\n" 1558 "T foo();"; 1559 ConstrainedCode = "template<typename T>\n" 1560 " requires Foo<T>\n" 1561 "T foo();"; 1562 BaseTokenCount = 11; 1563 TestRequires(__LINE__); 1564 1565 BaseCode = "template<typename T>\n" 1566 "T foo() {\n" 1567 " auto bar = baz();\n" 1568 " return bar + T{};\n" 1569 "}"; 1570 ConstrainedCode = "template<typename T>\n" 1571 " requires Foo<T>\n" 1572 "T foo() {\n" 1573 " auto bar = baz();\n" 1574 " return bar + T{};\n" 1575 "}"; 1576 BaseTokenCount = 26; 1577 TestRequires(__LINE__); 1578 1579 BaseCode = "template<typename T>\n" 1580 "T foo();"; 1581 ConstrainedCode = "template<typename T>\n" 1582 "T foo() requires Foo<T>;"; 1583 BaseTokenCount = 11; 1584 PrefixTokenCount = 9; 1585 TestRequires(__LINE__); 1586 1587 BaseCode = "template<typename T>\n" 1588 "T foo() {\n" 1589 " auto bar = baz();\n" 1590 " return bar + T{};\n" 1591 "}"; 1592 ConstrainedCode = "template<typename T>\n" 1593 "T foo() requires Foo<T> {\n" 1594 " auto bar = baz();\n" 1595 " return bar + T{};\n" 1596 "}"; 1597 BaseTokenCount = 26; 1598 TestRequires(__LINE__); 1599 1600 BaseCode = "template<typename T>\n" 1601 "T foo();"; 1602 ConstrainedCode = "template<typename T>\n" 1603 " requires(Foo<T>)\n" 1604 "T foo();"; 1605 BaseTokenCount = 11; 1606 RequiresTokenCount = 7; 1607 PrefixTokenCount = 5; 1608 TestRequires(__LINE__); 1609 1610 BaseCode = "template<typename T>\n" 1611 "Bar(T) -> Bar<typename T::I>;"; 1612 ConstrainedCode = "template<typename T>\n" 1613 " requires requires(T &&t) {\n" 1614 " typename T::I;\n" 1615 " }\n" 1616 "Bar(T) -> Bar<typename T::I>;"; 1617 BaseTokenCount = 19; 1618 RequiresTokenCount = 14; 1619 PrefixTokenCount = 5; 1620 TestRequires(__LINE__); 1621 1622 BaseCode = "struct [[nodiscard]] zero_t {\n" 1623 " template<class T>\n" 1624 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1625 "};"; 1626 ConstrainedCode = 1627 "struct [[nodiscard]] zero_t {\n" 1628 " template<class T>\n" 1629 " requires requires { v<T>; }\n" 1630 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1631 "};"; 1632 BaseTokenCount = 35; 1633 RequiresTokenCount = 9; 1634 PrefixTokenCount = 13; 1635 TestRequires(__LINE__); 1636 1637 BaseCode = "constexpr Foo(Foo const &other)\n" 1638 " : value{other.value} {\n" 1639 " do_magic();\n" 1640 " do_more_magic();\n" 1641 "}"; 1642 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1643 " requires std::is_copy_constructible<T>\n" 1644 " : value{other.value} {\n" 1645 " do_magic();\n" 1646 " do_more_magic();\n" 1647 "}"; 1648 BaseTokenCount = 26; 1649 RequiresTokenCount = 7; 1650 PrefixTokenCount = 8; 1651 TestRequires(__LINE__); 1652 1653 BaseCode = "constexpr Foo(Foo const &other)\n" 1654 " : value{other.value} {\n" 1655 " do_magic();\n" 1656 " do_more_magic();\n" 1657 "}"; 1658 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1659 " requires (std::is_copy_constructible<T>)\n" 1660 " : value{other.value} {\n" 1661 " do_magic();\n" 1662 " do_more_magic();\n" 1663 "}"; 1664 RequiresTokenCount = 9; 1665 TestRequires(__LINE__); 1666 1667 BaseCode = "template<typename T>\n" 1668 "ANNOTATE(\"S\"\n" 1669 " \"S\")\n" 1670 "void foo();"; 1671 ConstrainedCode = "template<typename T>\n" 1672 " requires(true)\n" 1673 "ANNOTATE(\"S\"\n" 1674 " \"S\")\n" 1675 "void foo();"; 1676 BaseTokenCount = 16; 1677 RequiresTokenCount = 4; 1678 PrefixTokenCount = 5; 1679 TestRequires(__LINE__); 1680 } 1681 1682 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1683 auto Tokens = annotate("__asm{\n" 1684 "\"a\":\n" 1685 ": x\n" 1686 ":};"); 1687 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1688 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1689 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1690 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1691 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1692 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1693 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1694 1695 Tokens = annotate("__asm(\n" 1696 "\"a\":\n" 1697 ": x\n" 1698 ":);"); 1699 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1700 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1701 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1702 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1703 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1704 1705 Tokens = annotate("asm volatile (\n" 1706 "\"a_label:\"\n" 1707 ":\n" 1708 ": x\n" 1709 ":);"); 1710 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1711 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1712 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1713 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1714 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1715 1716 Tokens = annotate("__asm__(\n" 1717 "\"a_label:\"\n" 1718 ": x\n" 1719 ":\n" 1720 ": y);"); 1721 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1722 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1723 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1724 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1725 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1726 1727 Tokens = annotate("__asm volatile (\n" 1728 "\"a_label:\"\n" 1729 "\"a b c(%%x)\"\n" 1730 ":\n" 1731 ": x\n" 1732 ":);"); 1733 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1734 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1735 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1736 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1737 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1738 1739 Tokens = annotate("asm(\n" 1740 "\"insn\"\n" 1741 ": \"=r\" (var1), \"=&r\" (value)\n" 1742 ":\n" 1743 ": \"memory\");"); 1744 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1745 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1746 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1747 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1748 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1749 1750 Tokens = annotate("__asm__ volatile (\n" 1751 "\"ldr r1, [r0, %%[sym]]\"\n" 1752 ":\n" 1753 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1754 ");"); 1755 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1756 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1757 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1758 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1759 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1760 } 1761 1762 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1763 auto Tokens = annotate("int (^)() = ^ ()\n" 1764 " external_source_symbol() { //\n" 1765 " return 1;\n" 1766 "};"); 1767 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1768 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1769 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1770 1771 Tokens = annotate("int *p = ^int*(){ //\n" 1772 " return nullptr;\n" 1773 "}();"); 1774 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1775 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1776 1777 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1778 " return a;\n" 1779 "};"); 1780 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1781 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1782 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1783 } 1784 1785 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1786 auto Tokens = annotate("void f() {\n" 1787 " //\n" 1788 " BOOL a = [b.c n] > 1;\n" 1789 "}"); 1790 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1791 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1792 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1793 } 1794 1795 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1796 auto Tokens = annotate("[]() constexpr {}"); 1797 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1798 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1799 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1800 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1801 1802 Tokens = annotate("[]() consteval {}"); 1803 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1804 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1805 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1806 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1807 1808 Tokens = annotate("[]() mutable {}"); 1809 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1810 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1811 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1812 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1813 1814 Tokens = annotate("[]() static {}"); 1815 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1816 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1817 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1818 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1819 1820 Tokens = annotate("[]() -> auto {}"); 1821 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1822 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1823 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1824 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1825 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1826 1827 Tokens = annotate("[]() -> auto & {}"); 1828 ASSERT_EQ(Tokens.size(), 10u) << 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[4], tok::arrow, TT_LambdaArrow); 1832 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1833 1834 Tokens = annotate("[]() -> auto * {}"); 1835 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1836 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1837 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1838 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1839 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1840 1841 Tokens = annotate("[] {}"); 1842 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1843 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1844 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1845 1846 Tokens = annotate("[] noexcept {}"); 1847 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1848 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1849 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1850 1851 Tokens = annotate("[] -> auto {}"); 1852 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1853 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1854 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1855 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1856 1857 Tokens = annotate("[] -> struct S { return {}; }"); 1858 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1859 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1860 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1861 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1862 1863 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1864 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1865 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1866 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1867 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1868 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1869 1870 Tokens = annotate("[] <typename T> () {}"); 1871 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1872 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1873 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1874 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1875 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1876 1877 Tokens = annotate("[] <typename T> {}"); 1878 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1879 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1880 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1881 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1882 1883 Tokens = annotate("[] <typename... T> () {}"); 1884 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1885 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1886 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1887 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1888 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1889 1890 Tokens = annotate("[] <typename... T> {}"); 1891 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1892 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1893 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1894 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1895 1896 Tokens = annotate("[] <int... 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("[] <int... 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("[] <Foo... 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("[] <Foo... 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 // Lambdas with a requires-clause 1923 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1924 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1925 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1926 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1927 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1928 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1929 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1930 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1931 1932 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1933 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1934 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1935 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1936 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1937 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1938 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1939 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1940 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1941 1942 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1943 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1944 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1945 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1946 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1947 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1948 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1949 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1950 1951 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1952 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1953 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1954 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1955 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1956 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1957 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1958 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1959 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1960 1961 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1962 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1963 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1964 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1965 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1966 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1967 // FIXME: 1968 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1969 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1970 1971 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1972 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1973 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1974 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1975 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1976 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1977 // FIXME: 1978 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1979 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1980 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1981 1982 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1983 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1984 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1985 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1986 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1987 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1988 // FIXME: 1989 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1990 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1991 1992 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1993 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1994 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1995 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1996 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1997 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1998 // FIXME: 1999 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2000 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 2001 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 2002 2003 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 2004 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2005 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2006 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2007 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2008 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2009 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 2010 2011 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 2012 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2013 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2014 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2015 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2016 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2017 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2018 2019 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 2020 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2021 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2022 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2023 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2024 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2025 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 2026 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 2027 2028 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 2029 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 2030 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2031 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2032 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 2033 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 2034 // FIXME: 2035 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 2036 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 2037 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 2038 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 2039 2040 Tokens = annotate("[] <typename T = int> (T t) {}"); 2041 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2042 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2043 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2044 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2045 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2046 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2047 2048 Tokens = annotate("[] <int I = 0> (T t) {}"); 2049 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2050 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2051 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2052 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2053 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2054 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2055 2056 Tokens = annotate("[] <bool b = false> (T t) {}"); 2057 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2058 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2059 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2060 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2061 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 2062 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 2063 2064 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 2065 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2066 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2067 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2068 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 2069 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 2070 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 2071 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 2072 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 2073 2074 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 2075 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2076 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 2077 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 2078 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 2079 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2080 // FIXME: 2081 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2082 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2083 } 2084 2085 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2086 auto Tokens = annotate("template <typename T>\n" 2087 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2088 "string OldFunction(const string ¶meter) {}"); 2089 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2090 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2091 2092 Tokens = annotate("template <typename T>\n" 2093 "A(T) noexcept;"); 2094 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2095 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2096 2097 Tokens = annotate("FOO(bar)();"); 2098 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2099 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2100 } 2101 2102 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2103 auto Tokens = annotate("void f [[noreturn]] ();"); 2104 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2105 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2106 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2107 2108 Tokens = annotate("void f [[noreturn]] () {}"); 2109 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2110 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2111 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2112 2113 Tokens = annotate("#define FOO Foo::\n" 2114 "FOO Foo();"); 2115 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2116 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2117 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2118 2119 Tokens = annotate("struct Foo {\n" 2120 " Bar (*func)();\n" 2121 "};"); 2122 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2123 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2124 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2125 2126 Tokens = annotate("void instanceof();"); 2127 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2128 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2129 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2130 2131 Tokens = annotate("int iso_time(time_t);"); 2132 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2133 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2134 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2135 2136 auto Style = getLLVMStyle(); 2137 Style.TypeNames.push_back("MyType"); 2138 Tokens = annotate("int iso_time(MyType);", Style); 2139 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2140 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2141 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2142 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2143 } 2144 2145 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2146 auto Tokens = annotate("class Foo { public: Foo(); };"); 2147 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2148 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2149 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2150 2151 Tokens = annotate("class Foo { public: ~Foo(); };"); 2152 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2153 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2154 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2155 2156 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2157 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2158 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2159 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2160 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2161 2162 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2163 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2164 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2165 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2166 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2167 2168 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2169 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2170 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2171 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2172 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2173 2174 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2175 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2176 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2177 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2178 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2179 2180 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2181 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2182 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2183 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2184 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2185 2186 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2187 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2188 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2189 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2190 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2191 2192 Tokens = annotate("Foo::Foo() {}"); 2193 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2194 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2195 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2196 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2197 2198 Tokens = annotate("Foo::~Foo() {}"); 2199 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2200 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2201 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2202 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2203 2204 Tokens = annotate("struct Test {\n" 2205 " Test()\n" 2206 " : l([] {\n" 2207 " Short::foo();\n" 2208 " }) {}\n" 2209 "};"); 2210 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2211 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2212 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2213 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2214 } 2215 2216 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2217 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2218 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2219 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2220 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2221 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2222 } 2223 2224 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2225 auto Tokens = annotate("auto f() -> int;"); 2226 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2227 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2228 2229 Tokens = annotate("auto operator->() -> int;"); 2230 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2231 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2232 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2233 2234 Tokens = annotate("auto operator++(int) -> int;"); 2235 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2236 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2237 2238 Tokens = annotate("auto operator=() -> int;"); 2239 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2240 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2241 2242 Tokens = annotate("auto operator=(int) -> int;"); 2243 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2244 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2245 2246 Tokens = annotate("auto foo() -> auto { return Val; }"); 2247 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2248 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2249 2250 Tokens = annotate("struct S { auto bar() const -> int; };"); 2251 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2252 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2253 2254 // Not trailing return arrows 2255 Tokens = annotate("auto a = b->c;"); 2256 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2257 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2258 2259 Tokens = annotate("auto a = (b)->c;"); 2260 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2261 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2262 2263 Tokens = annotate("auto a = b()->c;"); 2264 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2265 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2266 2267 Tokens = annotate("auto a = b->c();"); 2268 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2269 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2270 2271 Tokens = annotate("decltype(auto) a = b()->c;"); 2272 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2273 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2274 2275 Tokens = annotate("void f() { auto a = b->c(); }"); 2276 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2277 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2278 2279 Tokens = annotate("void f() { auto a = b()->c; }"); 2280 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2281 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2282 2283 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2284 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2285 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2286 2287 Tokens = annotate("void f() FOO(foo->bar);"); 2288 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2289 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2290 2291 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2292 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2293 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2294 2295 Tokens = annotate("Class<Type>{foo}->func(arg);"); 2296 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2297 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not FunctionLBrace 2298 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 2299 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2300 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2301 2302 auto Style = getLLVMStyle(); 2303 Style.StatementAttributeLikeMacros.push_back("emit"); 2304 Tokens = annotate("emit foo()->bar;", Style); 2305 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2306 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2307 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2308 2309 // Mixed 2310 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2311 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2312 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2313 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2314 } 2315 2316 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2317 auto Tokens = annotate("#define Foo(Bar) \\\n" 2318 " { \\\n" 2319 " #Bar \\\n" 2320 " }"); 2321 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2322 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2323 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2324 2325 Tokens = annotate("#define Foo(Bar) \\\n" 2326 " { #Bar }"); 2327 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2328 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2329 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2330 2331 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2332 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2333 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2334 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2335 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2336 } 2337 2338 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2339 // '__attribute__' has special handling. 2340 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2341 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2342 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2343 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2344 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2345 2346 // Generic macro has no special handling in this location. 2347 Tokens = annotate("A(X) void Foo(void);"); 2348 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2349 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2350 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2351 2352 // Add a custom AttributeMacro. Test that it has the same behavior. 2353 FormatStyle Style = getLLVMStyle(); 2354 Style.AttributeMacros.push_back("A"); 2355 2356 // An "AttributeMacro" gets annotated like '__attribute__'. 2357 Tokens = annotate("A(X) void Foo(void);", Style); 2358 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2359 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2360 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2361 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2362 } 2363 2364 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2365 // '__attribute__' has special handling. 2366 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2367 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2368 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2369 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2370 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2371 2372 // Generic macro has no special handling in this location. 2373 Tokens = annotate("A(X) @interface Foo"); 2374 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2375 // Note: Don't check token-type as a random token in this position is hard to 2376 // reason about. 2377 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2378 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2379 2380 // Add a custom AttributeMacro. Test that it has the same behavior. 2381 FormatStyle Style = getLLVMStyle(); 2382 Style.AttributeMacros.push_back("A"); 2383 2384 // An "AttributeMacro" gets annotated like '__attribute__'. 2385 Tokens = annotate("A(X) @interface Foo", Style); 2386 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2387 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2388 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2389 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2390 } 2391 2392 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2393 // '__attribute__' has special handling. 2394 auto Tokens = annotate("- (id)init __attribute__((X));"); 2395 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2396 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2397 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2398 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2399 2400 // Generic macro has no special handling in this location. 2401 Tokens = annotate("- (id)init A(X);"); 2402 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2403 // Note: Don't check token-type as a random token in this position is hard to 2404 // reason about. 2405 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2406 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2407 2408 // Add a custom AttributeMacro. Test that it has the same behavior. 2409 FormatStyle Style = getLLVMStyle(); 2410 Style.AttributeMacros.push_back("A"); 2411 2412 // An "AttributeMacro" gets annotated like '__attribute__'. 2413 Tokens = annotate("- (id)init A(X);", Style); 2414 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2415 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2416 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2417 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2418 } 2419 2420 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2421 // '__attribute__' has special handling. 2422 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2423 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2424 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2425 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2426 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2427 2428 // Generic macro has no special handling in this location. 2429 Tokens = annotate("@property(weak) id delegate A(X);"); 2430 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2431 // Note: Don't check token-type as a random token in this position is hard to 2432 // reason about. 2433 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2434 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2435 2436 // Add a custom AttributeMacro. Test that it has the same behavior. 2437 FormatStyle Style = getLLVMStyle(); 2438 Style.AttributeMacros.push_back("A"); 2439 2440 // An "AttributeMacro" gets annotated like '__attribute__'. 2441 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2442 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2443 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2444 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2445 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2446 } 2447 2448 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2449 auto Annotate = [this](StringRef Code) { 2450 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2451 }; 2452 // Test that unary operators get labeled as such and that operators like '++' 2453 // don't get split. 2454 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2455 tok::tilde, tok::amp, tok::pipe, 2456 tok::caret, tok::plusplus, tok::minusminus}; 2457 for (auto Kind : Unary) { 2458 auto Tokens = 2459 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2460 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2461 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2462 } 2463 // Operators formed by joining two operators like '^~'. For some of these 2464 // joined operators, we don't have a separate type, so we only test for their 2465 // precedence. 2466 std::pair<prec::Level, std::string> JoinedBinary[] = { 2467 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2468 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2469 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2470 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2471 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2472 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2473 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2474 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2475 {prec::Equality, "!="}, {prec::Equality, "==="}, 2476 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2477 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2478 {prec::ExclusiveOr, "^~"}, 2479 }; 2480 for (auto Operator : JoinedBinary) { 2481 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2482 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2483 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2484 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2485 } 2486 // '~^' and '^~' can be unary as well as binary operators. 2487 auto Tokens = Annotate("x = ~^x;"); 2488 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2489 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2490 Tokens = Annotate("x = ^~x;"); 2491 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2492 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2493 // The unary operators '~&' and '~|' can only be unary operators. The current 2494 // implementation treats each of them as separate unary '~' and '&' or '|' 2495 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2496 // there is a test that there is no space in between. And even if a new line 2497 // is inserted between the '~' and '|', the semantic meaning is the same as 2498 // the joined operator, so the CanBreakBefore property doesn't need to be 2499 // false for the second operator. 2500 Tokens = Annotate("x = ~&x;"); 2501 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2502 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2503 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2504 Tokens = Annotate("x = ~|x;"); 2505 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2506 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2507 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2508 // Test for block label colons. 2509 Tokens = Annotate("begin : x\n" 2510 "end : x"); 2511 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2512 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2513 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2514 // Test that the dimension colon is annotated correctly. 2515 Tokens = Annotate("var [1 : 0] x;"); 2516 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2517 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2518 Tokens = Annotate("extern function [1 : 0] x;"); 2519 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2520 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2521 Tokens = Annotate("module test\n" 2522 " (input wire [7 : 0] a[7 : 0]);\n" 2523 "endmodule"); 2524 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2525 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2526 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2527 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2528 // Test case labels and ternary operators. 2529 Tokens = Annotate("case (x)\n" 2530 " x:\n" 2531 " x;\n" 2532 "endcase"); 2533 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2534 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2535 Tokens = Annotate("case (x)\n" 2536 " x ? x : x:\n" 2537 " x;\n" 2538 "endcase"); 2539 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2540 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2541 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2542 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2543 // Non-blocking assignments. 2544 Tokens = Annotate("a <= b;"); 2545 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2546 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2547 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2548 Tokens = Annotate("if (a <= b) break;"); 2549 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2550 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2551 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2552 Tokens = Annotate("a <= b <= a;"); 2553 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2554 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2555 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2556 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2557 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2558 2559 // Port lists in module instantiation. 2560 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2561 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2562 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2563 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2564 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2565 "instance_2(port_2);"); 2566 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2567 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2568 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2569 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2570 2571 // Condition parentheses. 2572 Tokens = Annotate("assert (x);"); 2573 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2574 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2575 Tokens = Annotate("assert #0 (x);"); 2576 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2577 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2578 Tokens = Annotate("assert final (x);"); 2579 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2580 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2581 Tokens = Annotate("foreach (x[x]) continue;"); 2582 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2583 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2584 Tokens = Annotate("repeat (x[x]) continue;"); 2585 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2586 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2587 Tokens = Annotate("case (x) endcase;"); 2588 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2589 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2590 2591 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2592 // future, please adapt if those tokens get annotated. This test is only here 2593 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2594 Tokens = Annotate("always @(posedge x, posedge y);"); 2595 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2596 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2597 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2598 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2599 2600 // String literals in concatenation. 2601 Tokens = Annotate("x = {\"\"};"); 2602 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2603 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2604 Tokens = Annotate("x = {\"\", \"\"};"); 2605 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2606 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2607 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2608 Tokens = Annotate("x = '{{\"\"}};"); 2609 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2610 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2611 // Cases where the string should not be annotated that type. Fix the 2612 // `TT_Unknown` if needed in the future. 2613 Tokens = Annotate("x = {\"\" == \"\"};"); 2614 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2615 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2616 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2617 Tokens = Annotate("x = {(\"\")};"); 2618 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2619 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2620 Tokens = Annotate("x = '{\"\"};"); 2621 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2622 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2623 2624 // Module headers. 2625 Tokens = Annotate("module x();\n" 2626 "endmodule"); 2627 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2628 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogMultiLineListLParen); 2629 Tokens = Annotate("function automatic `x x();\n" 2630 "endmodule"); 2631 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2632 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_VerilogMultiLineListLParen); 2633 Tokens = Annotate("function automatic x``x x();\n" 2634 "endmodule"); 2635 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2636 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2637 Tokens = Annotate("function automatic x::x x();\n" 2638 "endmodule"); 2639 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2640 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen); 2641 } 2642 2643 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2644 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2645 ASSERT_TRUE(Style.isTableGen()); 2646 2647 TestLexer Lexer(Allocator, Buffers, Style); 2648 AdditionalKeywords Keywords(Lexer.IdentTable); 2649 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2650 2651 // Additional keywords representation test. 2652 auto Tokens = Annotate("def foo : Bar<1>;"); 2653 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2654 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2655 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2656 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2657 2658 // Code, the multiline string token. 2659 Tokens = Annotate("[{ code is multiline string }]"); 2660 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2661 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2662 EXPECT_FALSE(Tokens[0]->IsMultiline); 2663 // Case with multiple lines. 2664 Tokens = Annotate("[{ It can break\n" 2665 " across lines and the line breaks\n" 2666 " are retained in \n" 2667 " the string. }]"); 2668 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2669 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2670 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2671 EXPECT_TRUE(Tokens[0]->IsMultiline); 2672 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2673 2674 // Numeric literals. 2675 Tokens = Annotate("1234"); 2676 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2677 Tokens = Annotate("-1"); 2678 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2679 Tokens = Annotate("+1234"); 2680 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2681 Tokens = Annotate("0b0110"); 2682 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2683 Tokens = Annotate("0x1abC"); 2684 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2685 2686 // Identifier tokens. In TableGen, identifiers can begin with a number. 2687 // In ambiguous cases, the lexer tries to lex it as a number. 2688 // Even if the try fails, it does not fall back to identifier lexing and 2689 // regard as an error. 2690 // The ambiguity is not documented. The result of those tests are based on the 2691 // implementation of llvm::TGLexer::LexToken. 2692 // This is invalid syntax of number, but not an identifier. 2693 Tokens = Annotate("0x1234x"); 2694 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2695 Tokens = Annotate("identifier"); 2696 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2697 // Identifier beginning with a number. 2698 Tokens = Annotate("0x"); 2699 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2700 Tokens = Annotate("2dVector"); 2701 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2702 Tokens = Annotate("01234Vector"); 2703 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2704 2705 // Structured statements. 2706 Tokens = Annotate("class Foo {}"); 2707 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2708 Tokens = Annotate("def Def: Foo {}"); 2709 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2710 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2711 Tokens = Annotate("if cond then {} else {}"); 2712 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2713 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2714 Tokens = Annotate("defset Foo Def2 = {}"); 2715 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2716 2717 // Bang Operators. 2718 Tokens = Annotate("!foreach"); 2719 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2720 Tokens = Annotate("!if"); 2721 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2722 Tokens = Annotate("!cond"); 2723 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2724 2725 auto AnnotateValue = [this, &Style](StringRef Code) { 2726 // Values are annotated only in specific context. 2727 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2728 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2729 }; 2730 // Both of bang/cond operators. 2731 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2732 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2733 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2734 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2735 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2736 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2737 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2738 // DAGArg values with operator identifier 2739 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2740 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2741 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2742 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2743 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2744 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2745 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2746 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2747 // List literal 2748 Tokens = AnnotateValue("[1, 2, 3]"); 2749 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2750 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2751 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2752 // Suffixes of values 2753 Tokens = AnnotateValue("valid.field"); 2754 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2755 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2756 // Code 2757 Tokens = AnnotateValue("[{ code is multiline string }]"); 2758 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2759 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2760 2761 // The definition 2762 Tokens = annotate("def Def : Parent<Child> {}", Style); 2763 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2764 // We use inheritance colon and function brace. They are enough. 2765 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2766 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2767 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2768 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2769 2770 // DAGArg breaking options. They use different token types depending on what 2771 // is specified. 2772 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2773 2774 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2775 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2776 // elements to have line break. 2777 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2778 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2779 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2780 EXPECT_TOKEN(Tokens[1], tok::identifier, 2781 TT_TableGenDAGArgOperatorID); // ins 2782 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2783 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2784 2785 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2786 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2787 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2788 EXPECT_TOKEN(Tokens[1], tok::identifier, 2789 TT_TableGenDAGArgOperatorID); // other 2790 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2791 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2792 2793 // For non-identifier operators, breaks after the operator. 2794 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2795 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2796 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2797 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2798 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2799 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2800 2801 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2802 2803 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2804 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2805 // to have line break inside it. 2806 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2807 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2808 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2809 EXPECT_TOKEN(Tokens[1], tok::identifier, 2810 TT_TableGenDAGArgOperatorToBreak); // ins 2811 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2812 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2813 2814 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2815 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2816 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2817 EXPECT_TOKEN(Tokens[1], tok::identifier, 2818 TT_TableGenDAGArgOperatorToBreak); // other 2819 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2820 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2821 2822 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2823 // specified operators. 2824 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2825 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2826 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2827 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2828 EXPECT_TOKEN(Tokens[1], tok::identifier, 2829 TT_TableGenDAGArgOperatorToBreak); // ins 2830 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2831 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2832 2833 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2834 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2835 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2836 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2837 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2838 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2839 2840 // If TableGenBreakingDAGArgOperators is enabled, it uses 2841 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2842 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2843 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2844 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2845 EXPECT_TOKEN(Tokens[1], tok::identifier, 2846 TT_TableGenDAGArgOperatorToBreak); // ins 2847 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2848 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2849 2850 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2851 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2852 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2853 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2854 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2855 } 2856 2857 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2858 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2859 2860 // The TT_Unknown is clearly not binding for the future, please adapt if those 2861 // tokens get annotated. 2862 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2863 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2864 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2865 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2866 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2867 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2868 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2869 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2870 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2871 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2872 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2873 2874 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2875 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2876 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2877 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2878 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2879 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2880 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2881 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2882 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2883 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2884 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2885 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2886 2887 Tokens = annotate("class Class {\n" 2888 " Class() : BaseClass() {\n" 2889 "#if 0\n" 2890 " // comment\n" 2891 "#endif\n" 2892 " }\n" 2893 " Class f();\n" 2894 "}"); 2895 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2896 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2897 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2898 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2899 } 2900 2901 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2902 auto Tokens = annotate("if (x) {}"); 2903 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2904 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2905 Tokens = annotate("if constexpr (x) {}"); 2906 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2907 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2908 Tokens = annotate("if CONSTEXPR (x) {}"); 2909 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2910 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2911 Tokens = annotate("if (x) {} else if (x) {}"); 2912 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2913 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2914 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2915 } 2916 2917 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2918 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2919 2920 auto Tokens = annotate("int? a;", Style); 2921 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2922 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2923 2924 Tokens = annotate("int? a = 1;", Style); 2925 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2926 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2927 2928 Tokens = annotate("int?)", Style); 2929 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2930 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2931 2932 Tokens = annotate("int?>", Style); 2933 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2934 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2935 2936 Tokens = annotate("cond? id : id2", Style); 2937 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2938 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2939 2940 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2941 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2942 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2943 } 2944 2945 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2946 auto Tokens = annotate("{ x: break; }"); 2947 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2948 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2949 2950 Tokens = annotate("{ case x: break; }"); 2951 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2952 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2953 2954 Tokens = annotate("{ x: { break; } }"); 2955 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2956 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2957 2958 Tokens = annotate("{ case x: { break; } }"); 2959 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2960 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2961 2962 Tokens = annotate("#define FOO label:"); 2963 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2964 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2965 2966 Tokens = annotate("#define FOO \\\n" 2967 "label: \\\n" 2968 " break;"); 2969 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2970 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2971 } 2972 2973 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2974 // The closing braces are not annotated. It doesn't seem to cause a problem. 2975 // So we only test for the opening braces. 2976 auto Tokens = annotate("{\n" 2977 " {\n" 2978 " { int a = 0; }\n" 2979 " }\n" 2980 " {}\n" 2981 "}"); 2982 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2983 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2984 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2985 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2986 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2987 } 2988 2989 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2990 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2991 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2992 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2993 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2994 2995 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2996 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2997 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2998 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2999 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 3000 3001 Tokens = annotate("SomeStruct {\n" 3002 "#ifdef FOO\n" 3003 " .a = 1,\n" 3004 "#endif\n" 3005 " .b = 2\n" 3006 "};"); 3007 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3008 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3009 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 3010 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 3011 3012 Tokens = annotate("SomeStruct {\n" 3013 "#if defined FOO\n" 3014 " .a = 1,\n" 3015 "#endif\n" 3016 " .b = 2\n" 3017 "};"); 3018 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3019 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 3020 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 3021 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 3022 3023 Tokens = annotate("Foo foo[] = {[0]{}};"); 3024 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3025 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 3026 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3027 } 3028 3029 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 3030 auto Annotate = [this](StringRef Code) { 3031 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 3032 }; 3033 3034 // Dictionary. 3035 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 3036 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3037 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 3038 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 3039 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 3040 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 3041 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 3042 // Change when we need to annotate these. 3043 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 3044 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 3045 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 3046 } 3047 3048 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 3049 auto Tokens = annotate("bool foo __attribute__((unused));"); 3050 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3051 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3052 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3053 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 3054 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 3055 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 3056 3057 Tokens = annotate("bool foo __declspec(dllimport);"); 3058 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3059 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3060 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3061 3062 Tokens = annotate("bool __attribute__((unused)) foo;"); 3063 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3064 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3065 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3066 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3067 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3068 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 3069 3070 Tokens = annotate("void __attribute__((x)) Foo();"); 3071 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3072 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 3073 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 3074 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 3075 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 3076 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 3077 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 3078 3079 FormatStyle Style = getLLVMStyle(); 3080 Style.AttributeMacros.push_back("FOO"); 3081 Tokens = annotate("bool foo FOO(unused);", Style); 3082 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3083 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 3084 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 3085 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 3086 } 3087 3088 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 3089 auto Tokens = annotate("while (true) {}"); 3090 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3091 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3092 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3093 3094 Tokens = annotate("for (;;) {}"); 3095 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3096 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 3097 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 3098 3099 Tokens = annotate("do {} while (true);"); 3100 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3101 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 3102 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 3103 3104 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3105 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3106 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3107 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3108 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3109 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3110 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3111 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3112 3113 Tokens = annotate("switch (foo) {}"); 3114 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3115 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3116 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3117 } 3118 3119 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3120 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3121 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3122 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3123 3124 Tokens = annotate("do ++i; while ( i > 5 );"); 3125 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3126 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3127 } 3128 3129 TEST_F(TokenAnnotatorTest, StartOfName) { 3130 auto Tokens = annotate("#pragma clang diagnostic push"); 3131 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3132 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3133 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3134 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3135 3136 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3137 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3138 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3139 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3140 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3141 3142 Tokens = annotate("#define FOO Foo foo"); 3143 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3144 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3145 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3146 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3147 3148 Tokens = annotate("@interface NSCoder (TestCoder)"); 3149 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3150 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3151 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3152 3153 auto Style = getLLVMStyle(); 3154 Style.StatementAttributeLikeMacros.push_back("emit"); 3155 Tokens = annotate("emit foo = 0;", Style); 3156 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3157 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3158 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3159 } 3160 3161 TEST_F(TokenAnnotatorTest, BraceKind) { 3162 auto Tokens = annotate("void f() {};"); 3163 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3164 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3165 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3166 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3167 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3168 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3169 3170 Tokens = annotate("class Foo<int> f() {}"); 3171 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3172 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3173 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3174 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3175 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3176 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3177 3178 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3179 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3180 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3181 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3182 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3183 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3184 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3185 3186 Tokens = annotate("void f() override {};"); 3187 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3188 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3189 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3190 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3191 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3192 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3193 3194 Tokens = annotate("void f() noexcept(false) {};"); 3195 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3196 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3197 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3198 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3199 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3200 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3201 3202 Tokens = annotate("auto f() -> void {};"); 3203 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3204 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3205 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3206 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3207 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3208 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3209 3210 Tokens = annotate("void f() { /**/ };"); 3211 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3212 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3213 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3214 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3215 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3216 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3217 3218 Tokens = annotate("void f() { //\n" 3219 "};"); 3220 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3221 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3222 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3223 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3224 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3225 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3226 3227 Tokens = annotate("void f() {\n" 3228 " //\n" 3229 "};"); 3230 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3231 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3232 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3233 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3234 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3235 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3236 3237 Tokens = annotate("struct Foo {\n" 3238 " Foo() {};\n" 3239 " ~Foo() {};\n" 3240 "};"); 3241 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3242 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3243 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3244 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3245 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3246 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3247 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3248 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3249 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3250 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3251 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3252 3253 Tokens = annotate("{\n" 3254 " char *a[] = {\n" 3255 " /* abc */ \"abc\",\n" 3256 "#if FOO\n" 3257 " /* xyz */ \"xyz\",\n" 3258 "#endif\n" 3259 " /* last */ \"last\"};\n" 3260 "}"); 3261 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3262 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3263 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3264 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3265 3266 Tokens = 3267 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3268 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3269 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3270 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3271 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3272 3273 Tokens = annotate("struct {};"); 3274 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3275 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3276 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3277 3278 Tokens = annotate("struct : Base {};"); 3279 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3280 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3281 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3282 3283 Tokens = annotate("struct Foo {};"); 3284 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3285 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3286 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3287 3288 Tokens = annotate("struct ::Foo {};"); 3289 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3290 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3291 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3292 3293 Tokens = annotate("struct NS::Foo {};"); 3294 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3295 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3296 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3297 3298 Tokens = annotate("struct Foo<int> {};"); 3299 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3300 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3301 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3302 3303 Tokens = annotate("struct Foo<int>::Bar {};"); 3304 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3305 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3306 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3307 3308 Tokens = annotate("struct Foo<int> : Base {};"); 3309 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3310 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3311 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3312 3313 Tokens = annotate("struct Foo final {};"); 3314 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3315 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3316 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3317 3318 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3319 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3320 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3321 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3322 3323 Tokens = annotate("struct Foo x{};"); 3324 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3325 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3326 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3327 3328 Tokens = annotate("struct ::Foo x{};"); 3329 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3330 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3331 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3332 3333 Tokens = annotate("struct NS::Foo x{};"); 3334 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3335 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3336 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3337 3338 Tokens = annotate("struct Foo<int> x{};"); 3339 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3340 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3341 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3342 3343 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3344 "#else\n" 3345 "#endif\n" 3346 "class RenderingServer : Object {\n" 3347 "#ifndef DISABLE_DEPRECATED\n" 3348 " enum Features {\n" 3349 " FEATURE_SHADERS,\n" 3350 " FEATURE_MULTITHREADED,\n" 3351 " };\n" 3352 "#endif\n" 3353 "};"); 3354 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3355 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3356 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3357 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3358 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3359 3360 Tokens = annotate("{\n" 3361 "#define M(x) \\\n" 3362 " return {#x};\n" 3363 "}"); 3364 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3365 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3366 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3367 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3368 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3369 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3370 3371 Tokens = annotate("{\n" 3372 " {\n" 3373 "#define GEN_ID(_x) char *_x{#_x}\n" 3374 " GEN_ID(one);\n" 3375 " }\n" 3376 "}"); 3377 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 3378 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3379 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3380 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3381 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3382 #if 0 3383 // FIXME: 3384 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3385 EXPECT_BRACE_KIND(Tokens[14], BK_BracedInit); 3386 #endif 3387 EXPECT_BRACE_KIND(Tokens[20], BK_Block); 3388 EXPECT_BRACE_KIND(Tokens[21], BK_Block); 3389 3390 Tokens = annotate("a = class extends goog.a {};", 3391 getGoogleStyle(FormatStyle::LK_JavaScript)); 3392 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3393 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3394 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3395 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3396 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3397 3398 Tokens = annotate("a = class Foo extends goog.a {};", 3399 getGoogleStyle(FormatStyle::LK_JavaScript)); 3400 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3401 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_ClassLBrace); 3402 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3403 EXPECT_TOKEN(Tokens[9], tok::r_brace, TT_ClassRBrace); 3404 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3405 3406 Tokens = annotate("#define FOO(X) \\\n" 3407 " struct X##_tag_ {};"); 3408 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3409 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3410 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3411 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3412 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3413 3414 Tokens = annotate("#define MACRO \\\n" 3415 " struct hash<type> { \\\n" 3416 " void f() { return; } \\\n" 3417 " };"); 3418 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 3419 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 3420 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3421 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3422 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3423 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3424 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3425 EXPECT_BRACE_KIND(Tokens[16], BK_Block); 3426 EXPECT_TOKEN(Tokens[17], tok::r_brace, TT_StructRBrace); 3427 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3428 3429 Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}"); 3430 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3431 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3432 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 3433 } 3434 3435 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3436 auto Tokens = annotate("auto foo() -> enum En {}"); 3437 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3438 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3439 } 3440 3441 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3442 auto Tokens = annotate("{\n" 3443 " {\n" 3444 " foo();\n" 3445 " }\n" 3446 "}"); 3447 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3448 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3449 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3450 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3451 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3452 3453 Tokens = annotate("void bar() {\n" 3454 " {\n" 3455 " foo();\n" 3456 " }\n" 3457 "}"); 3458 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3459 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3460 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3461 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3462 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3463 3464 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3465 getLLVMStyle(FormatStyle::LK_ObjC)); 3466 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3467 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3468 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3469 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3470 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3471 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3472 } 3473 3474 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3475 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3476 auto Tokens = annotate("i = switch (day) {\n" 3477 " case THURSDAY, SATURDAY -> 8;\n" 3478 " case WEDNESDAY -> 9;\n" 3479 " default -> 1;\n" 3480 "};", 3481 Style); 3482 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3483 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3484 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3485 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3486 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3487 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3488 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3489 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3490 } 3491 3492 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3493 auto Tokens = annotate("a = b and c;"); 3494 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3495 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3496 3497 Tokens = annotate("a = b and_eq c;"); 3498 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3499 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3500 3501 Tokens = annotate("a = b bitand c;"); 3502 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3503 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3504 3505 Tokens = annotate("a = b bitor c;"); 3506 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3507 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3508 3509 Tokens = annotate("a = b compl c;"); 3510 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3511 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3512 3513 Tokens = annotate("a = b not c;"); 3514 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3515 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3516 3517 Tokens = annotate("a = b not_eq c;"); 3518 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3519 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3520 3521 Tokens = annotate("a = b or c;"); 3522 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3523 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3524 3525 Tokens = annotate("a = b or_eq c;"); 3526 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3527 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3528 3529 Tokens = annotate("a = b xor c;"); 3530 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3531 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3532 3533 Tokens = annotate("a = b xor_eq c;"); 3534 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3535 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3536 3537 Tokens = annotate("xor = foo;"); 3538 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3539 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3540 3541 Tokens = annotate("int xor = foo;"); 3542 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3543 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3544 } 3545 3546 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3547 auto Tokens = 3548 annotate("Foo::Foo(int x, int y) try\n" 3549 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3550 "} catch (...) {\n" 3551 "}"); 3552 ASSERT_EQ(Tokens.size(), 45u) << Tokens; 3553 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3554 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3555 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3556 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3557 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3558 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3559 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3560 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3561 } 3562 3563 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3564 auto Style = getLLVMStyle(); 3565 Style.TypenameMacros.push_back("STRUCT"); 3566 3567 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3568 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3569 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3570 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3571 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3572 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3573 } 3574 3575 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3576 auto Style = getGNUStyle(); 3577 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3578 3579 auto Tokens = annotate("return 1 <=> 2;", Style); 3580 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3581 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3582 } 3583 3584 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3585 auto Style = getLLVMStyle(); 3586 Style.ColumnLimit = 20; 3587 3588 auto Tokens = annotate("class foo {\n" 3589 " auto bar()\n" 3590 " -> bool;\n" 3591 "};", 3592 Style); 3593 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3594 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3595 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3596 } 3597 3598 TEST_F(TokenAnnotatorTest, TemplateName) { 3599 constexpr StringRef Code{"return Foo < A || B > (C ^ D);"}; 3600 3601 auto Tokens = annotate(Code); 3602 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3603 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 3604 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 3605 3606 auto Style = getLLVMStyle(); 3607 Style.TemplateNames.push_back("Foo"); 3608 3609 Tokens = annotate(Code, Style); 3610 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_TemplateName); 3611 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3612 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3613 } 3614 3615 TEST_F(TokenAnnotatorTest, TemplateInstantiation) { 3616 auto Tokens = annotate("return FixedInt<N | M>();"); 3617 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3618 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 3619 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 3620 3621 Tokens = annotate("return std::conditional_t<T::value == U::value, T, U>{};"); 3622 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3623 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 3624 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 3625 3626 Tokens = 3627 annotate("auto x{std::conditional_t<T::value == U::value, T, U>{}};"); 3628 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 3629 EXPECT_TOKEN(Tokens[6], tok::less, TT_TemplateOpener); 3630 EXPECT_TOKEN(Tokens[18], tok::greater, TT_TemplateCloser); 3631 } 3632 3633 TEST_F(TokenAnnotatorTest, VariableTemplate) { 3634 auto Style = getLLVMStyle(); 3635 Style.VariableTemplates.push_back("a"); 3636 3637 auto Tokens = annotate("auto t3 = (a<int>) + b;", Style); 3638 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3639 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VariableTemplate); 3640 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 3641 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 3642 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); // Not TT_CastRParen 3643 EXPECT_TOKEN(Tokens[9], tok::plus, TT_BinaryOperator); 3644 } 3645 3646 TEST_F(TokenAnnotatorTest, SwitchInMacroArgument) { 3647 auto Tokens = annotate("FOOBAR(switch);\n" 3648 "void f() {}"); 3649 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3650 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_FunctionLBrace); 3651 } 3652 3653 TEST_F(TokenAnnotatorTest, AfterPPDirective) { 3654 auto Tokens = annotate("#error -- My error message"); 3655 3656 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3657 EXPECT_TOKEN(Tokens[2], tok::minusminus, TT_AfterPPDirective); 3658 } 3659 3660 } // namespace 3661 } // namespace format 3662 } // namespace clang 3663