1 //===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "clang/Format/Format.h" 10 11 #include "FormatTestUtils.h" 12 #include "TestLexer.h" 13 #include "gtest/gtest.h" 14 15 namespace clang { 16 namespace format { 17 18 // Not really the equality, but everything we need. 19 static bool operator==(const FormatToken &LHS, 20 const FormatToken &RHS) noexcept { 21 return LHS.Tok.getKind() == RHS.Tok.getKind() && 22 LHS.getType() == RHS.getType(); 23 } 24 25 namespace { 26 27 class TokenAnnotatorTest : public testing::Test { 28 protected: 29 TokenList annotate(StringRef Code, 30 const FormatStyle &Style = getLLVMStyle()) { 31 return TestLexer(Allocator, Buffers, Style).annotate(Code); 32 } 33 llvm::SpecificBumpPtrAllocator<FormatToken> Allocator; 34 std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers; 35 }; 36 37 #define EXPECT_TOKEN_KIND(FormatTok, Kind) \ 38 EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok) 39 #define EXPECT_TOKEN_TYPE(FormatTok, Type) \ 40 EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok) 41 #define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \ 42 EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok) 43 #define EXPECT_BRACE_KIND(FormatTok, Kind) \ 44 EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok) 45 #define EXPECT_SPLIT_PENALTY(FormatTok, Penalty) \ 46 EXPECT_EQ(FormatTok->SplitPenalty, Penalty) << *(FormatTok) 47 #define EXPECT_TOKEN(FormatTok, Kind, Type) \ 48 do { \ 49 EXPECT_TOKEN_KIND(FormatTok, Kind); \ 50 EXPECT_TOKEN_TYPE(FormatTok, Type); \ 51 } while (false) 52 53 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) { 54 auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};"); 55 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 56 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 57 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 58 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 59 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 60 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 61 62 Tokens = annotate("auto x = [](const decltype(x) *ptr) {};"); 63 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 64 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 65 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 66 67 Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}"); 68 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 69 EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown); 70 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen); 71 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown); 72 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 73 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 74 75 Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}"); 76 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 77 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen); 78 EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference); 79 80 Tokens = annotate("void f() {\n" 81 " while (p < a && *p == 'a')\n" 82 " p++;\n" 83 "}"); 84 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 85 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 86 EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator); 87 88 Tokens = annotate("case *x:"); 89 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 90 EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator); 91 Tokens = annotate("case &x:"); 92 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 93 EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator); 94 95 Tokens = annotate("bool b = 3 == int{3} && true;"); 96 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 97 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 98 99 Tokens = annotate("struct {\n" 100 "} *ptr;"); 101 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 102 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 103 Tokens = annotate("union {\n" 104 "} *ptr;"); 105 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 106 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 107 Tokens = annotate("class {\n" 108 "} *ptr;"); 109 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 110 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 111 112 Tokens = annotate("struct {\n" 113 "} &&ptr = {};"); 114 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 115 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 116 Tokens = annotate("union {\n" 117 "} &&ptr = {};"); 118 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 119 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 120 Tokens = annotate("class {\n" 121 "} &&ptr = {};"); 122 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 123 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 124 Tokens = annotate("int i = int{42} * 2;"); 125 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 126 EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator); 127 128 Tokens = annotate("delete[] *ptr;"); 129 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 130 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 131 Tokens = annotate("delete[] **ptr;"); 132 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 133 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 134 EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator); 135 Tokens = annotate("delete[] *(ptr);"); 136 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 137 EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator); 138 139 Tokens = annotate("void f() { void (*fnptr)(char* foo); }"); 140 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 141 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 142 // FIXME: The star of a function pointer probably makes more sense as 143 // TT_PointerOrReference. 144 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 145 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 146 147 Tokens = annotate("void f() { void (*fnptr)(t* foo); }"); 148 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 149 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 150 EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator); 151 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 152 153 Tokens = annotate("int f3() { return sizeof(Foo&); }"); 154 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 155 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 156 157 Tokens = annotate("int f4() { return sizeof(Foo&&); }"); 158 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 159 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 160 161 Tokens = annotate("void f5() { int f6(Foo&, Bar&); }"); 162 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 163 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 164 EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference); 165 166 Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }"); 167 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 168 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 169 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 170 171 Tokens = annotate("Type1 &val1 = val2;"); 172 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 173 EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference); 174 175 Tokens = annotate("Type1 *val1 = &val2;"); 176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 177 EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference); 178 EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator); 179 180 Tokens = annotate("val1 & val2;"); 181 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 182 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 183 184 Tokens = annotate("val1 & val2.member;"); 185 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 186 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 187 188 Tokens = annotate("val1 & val2.*member;"); 189 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 190 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 191 192 Tokens = annotate("val1.*member & val2;"); 193 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 194 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 195 196 Tokens = annotate("val1 & val2->*member;"); 197 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 198 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 199 200 Tokens = annotate("val1->member & val2;"); 201 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 202 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 203 204 Tokens = annotate("val1 & val2 & val3;"); 205 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 206 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 207 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 208 209 Tokens = annotate("val1 & val2 // comment\n" 210 " & val3;"); 211 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 212 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 213 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 214 215 Tokens = 216 annotate("val1 & val2.member & val3.member() & val4 & val5->member;"); 217 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 218 EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator); 219 EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator); 220 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 221 EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator); 222 223 Tokens = annotate("class c {\n" 224 " void func(type &a) { a & member; }\n" 225 " anotherType &member;\n" 226 "}"); 227 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 228 EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference); 229 EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator); 230 EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference); 231 232 Tokens = annotate("struct S {\n" 233 " auto Mem = C & D;\n" 234 "}"); 235 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 236 EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator); 237 238 Tokens = 239 annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);"); 240 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 241 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 242 243 Tokens = annotate("template <typename T> struct S {\n" 244 " explicit(Bar<T> && Foo<T>) S(const S &);\n" 245 "};"); 246 ASSERT_EQ(Tokens.size(), 30u) << Tokens; 247 EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator); 248 249 Tokens = annotate("template <bool B = C && D> struct S {};"); 250 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 251 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator); 252 253 Tokens = annotate("template <typename T, bool B = C && D> struct S {};"); 254 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 255 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 256 257 Tokens = annotate("template <typename T, typename U = T&&> struct S {};"); 258 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 259 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference); 260 261 Tokens = annotate("template <typename T = int (*)(int)> struct S {};"); 262 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 263 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen); 264 EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference); 265 266 Tokens = annotate("Foo<A && B> a = {};"); 267 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 268 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 269 270 Tokens = annotate("Foo<A &&> a = {};"); 271 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 272 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference); 273 274 Tokens = annotate("template <typename T>\n" 275 "enable_if_t<is_integral_v<T>, bool> // comment\n" 276 "operator~(T &a);"); 277 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 278 EXPECT_TOKEN(Tokens[19], tok::amp, TT_PointerOrReference); 279 280 Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();"); 281 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 282 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator); 283 284 Tokens = 285 annotate("auto foo() noexcept(noexcept(bar()) && " 286 "trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}"); 287 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 288 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 289 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 290 291 Tokens = annotate("foo = *i < *j && *j > *k;"); 292 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 293 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 294 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 295 EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator); 296 297 FormatStyle Style = getLLVMStyle(); 298 Style.TypeNames.push_back("MYI"); 299 Tokens = annotate("if (MYI *p{nullptr})", Style); 300 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 301 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 302 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 303 304 Style.TypeNames.push_back("Class"); 305 Tokens = annotate("if (Class *obj {getObj()})", Style); 306 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 307 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName); 308 EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference); 309 310 Tokens = annotate("class Foo {\n" 311 " void operator<() {}\n" 312 " Foo &f;\n" 313 "};"); 314 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 315 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 316 EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator); 317 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 318 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 319 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 320 321 Tokens = annotate("if (new && num) {\n" 322 " new = 1;\n" 323 "}\n" 324 "if (!delete && num) {\n" 325 " delete = 1;\n" 326 "}"); 327 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 328 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 329 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 330 331 Tokens = annotate("#define FOO \\\n" 332 " void foo() { f(a * b); }"); 333 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 334 EXPECT_TOKEN(Tokens[11], tok::star, TT_BinaryOperator); 335 336 Tokens = annotate("#define FOO auto Foo = [] { f(a * b); };"); 337 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 338 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 339 340 Tokens = annotate("namespace {\n" 341 "#define FOO(x) void foo(a##x *b);\n" 342 "}"); 343 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 344 EXPECT_TOKEN(Tokens[14], tok::star, TT_PointerOrReference); 345 } 346 347 TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) { 348 auto Tokens = annotate("x - 0"); 349 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 350 EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator); 351 Tokens = annotate("0 + 0"); 352 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 353 EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator); 354 Tokens = annotate("x + +0"); 355 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 356 EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator); 357 Tokens = annotate("x ? -0 : +0"); 358 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 359 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 360 EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator); 361 Tokens = annotate("(-0)"); 362 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 363 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 364 Tokens = annotate("0, -0"); 365 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 366 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 367 Tokens = annotate("for (; -1;) {\n}"); 368 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 369 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 370 Tokens = annotate("x = -1;"); 371 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 372 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 373 Tokens = annotate("x[-1]"); 374 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 375 EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator); 376 Tokens = annotate("x = {-1};"); 377 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 378 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 379 Tokens = annotate("case -x:"); 380 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 381 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 382 Tokens = annotate("co_await -x;"); 383 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 384 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 385 Tokens = annotate("co_return -x;"); 386 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 387 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 388 Tokens = annotate("co_yield -x;"); 389 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 390 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 391 Tokens = annotate("delete -x;"); 392 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 393 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 394 Tokens = annotate("return -x;"); 395 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 396 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 397 Tokens = annotate("throw -x;"); 398 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 399 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 400 Tokens = annotate("sizeof -x"); 401 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 402 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 403 Tokens = annotate("co_await +x;"); 404 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 405 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 406 Tokens = annotate("co_return +x;"); 407 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 408 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 409 Tokens = annotate("co_yield +x;"); 410 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 411 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 412 Tokens = annotate("delete +x;"); 413 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 414 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 415 Tokens = annotate("return +x;"); 416 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 417 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 418 Tokens = annotate("throw +x;"); 419 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 420 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 421 Tokens = annotate("sizeof +x"); 422 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 423 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 424 Tokens = annotate("(int)-x"); 425 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 426 EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator); 427 Tokens = annotate("(-x)"); 428 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 429 EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator); 430 Tokens = annotate("!+x"); 431 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 432 EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator); 433 EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator); 434 } 435 436 TEST_F(TokenAnnotatorTest, UnderstandsClasses) { 437 auto Tokens = annotate("class C {};"); 438 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 439 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 440 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 441 442 Tokens = annotate("const class C {} c;"); 443 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 444 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace); 445 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace); 446 447 Tokens = annotate("const class {} c;"); 448 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 449 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace); 450 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace); 451 452 Tokens = annotate("class [[deprecated(\"\")]] C { int i; };"); 453 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 454 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace); 455 EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace); 456 } 457 458 TEST_F(TokenAnnotatorTest, UnderstandsStructs) { 459 auto Tokens = annotate("struct S {};"); 460 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 461 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace); 462 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace); 463 464 Tokens = annotate("struct macro(a) S {};"); 465 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 466 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 467 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace); 468 469 Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };"); 470 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 471 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace); 472 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace); 473 474 Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };"); 475 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 476 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace); 477 EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace); 478 479 Tokens = annotate("struct macro(a) S {\n" 480 " void f(T &t);\n" 481 "};"); 482 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 483 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace); 484 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 485 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 486 487 Tokens = annotate("template <typename T> struct S<const T[N]> {};"); 488 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 489 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 490 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 491 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 492 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 493 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 494 495 Tokens = annotate("template <typename T> struct S<T const[N]> {};"); 496 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 497 EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener); 498 EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare); 499 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 500 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace); 501 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace); 502 503 Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n" 504 " void f(T const (&a)[n]);\n" 505 "};"); 506 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 507 EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener); 508 EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare); 509 EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser); 510 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace); 511 EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen); 512 EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator); 513 EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare); 514 EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace); 515 516 Tokens = annotate("template <typename T, enum E e> struct S {};"); 517 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 518 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace); 519 520 auto Style = getLLVMStyle(); 521 Style.AttributeMacros.push_back("EXPORT"); 522 Tokens = annotate("struct EXPORT StructName {};", Style); 523 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 524 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro); 525 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace); 526 EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace); 527 } 528 529 TEST_F(TokenAnnotatorTest, UnderstandsUnions) { 530 auto Tokens = annotate("union U {};"); 531 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 532 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 533 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace); 534 535 Tokens = annotate("union U { void f() { return; } };"); 536 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 537 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace); 538 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 539 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace); 540 } 541 542 TEST_F(TokenAnnotatorTest, UnderstandsEnums) { 543 auto Tokens = annotate("enum E {};"); 544 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 545 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace); 546 EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace); 547 } 548 549 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) { 550 auto Tokens = annotate("auto operator<=>(const T &) const & = default;"); 551 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 552 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 553 554 Tokens = annotate("template <typename T> void F(T) && = delete;"); 555 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 556 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 557 } 558 559 TEST_F(TokenAnnotatorTest, UnderstandsVariables) { 560 auto Tokens = 561 annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;"); 562 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 563 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator); 564 } 565 566 TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) { 567 auto Tokens = 568 annotate("template <typename T> " 569 "inline bool var = is_integral_v<int> && is_signed_v<int>;"); 570 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 571 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 572 } 573 574 TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) { 575 auto Tokens = 576 annotate("#define FOO(typeName) \\\n" 577 " { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }"); 578 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 579 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 580 EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser); 581 EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener); 582 EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser); 583 } 584 585 TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) { 586 auto Tokens = annotate("if (std::tuple_size_v<T> > 0)"); 587 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 588 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 589 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 590 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 591 } 592 593 TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) { 594 // IsExpression = false 595 auto Tokens = annotate("foo<true ? 1 : 2>();"); 596 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 597 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 598 EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr); 599 EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr); 600 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 601 602 // IsExpression = true 603 604 Tokens = annotate("return foo<true ? 1 : 2>();"); 605 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 606 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 607 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 608 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 609 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 610 611 Tokens = annotate("return foo<true ? 1 : 2>{};"); 612 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 613 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 614 EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr); 615 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr); 616 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 617 } 618 619 TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) { 620 auto Tokens = annotate("return a < b && c > d;"); 621 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 622 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 623 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 624 625 Tokens = annotate("a < 0 ? b : a > 0 ? c : d;"); 626 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 627 EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator); 628 EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator); 629 630 Tokens = annotate("return A < B ? true : A > B;"); 631 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 632 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 633 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 634 635 Tokens = annotate("return A < B ? true : A > B ? false : false;"); 636 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 637 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 638 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 639 640 Tokens = annotate("return checklower ? a < b : a > b;"); 641 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 642 EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator); 643 EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator); 644 645 Tokens = annotate("return A < B ^ A > B;"); 646 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 647 EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator); 648 EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator); 649 650 Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;"); 651 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 652 EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator); 653 EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator); 654 } 655 656 TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) { 657 auto Tokens = annotate("template <template <typename...> typename X,\n" 658 " template <typename...> class Y,\n" 659 " typename... T>\n" 660 "class A {};"); 661 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 662 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 663 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 664 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 665 EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration); 666 EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener); 667 EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser); 668 EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration); 669 EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser); 670 EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration); 671 } 672 673 TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) { 674 FormatStyle Style = getLLVMStyle(); 675 Style.WhitespaceSensitiveMacros.push_back("FOO"); 676 677 auto Tokens = annotate("FOO(1+2 )", Style); 678 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 679 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 680 681 Tokens = annotate("FOO(a:b:c)", Style); 682 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 683 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc); 684 } 685 686 TEST_F(TokenAnnotatorTest, UnderstandsDelete) { 687 auto Tokens = annotate("delete (void *)p;"); 688 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 689 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 690 691 Tokens = annotate("delete[] (void *)p;"); 692 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 693 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 694 695 Tokens = annotate("delete[] /*comment*/ (void *)p;"); 696 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 697 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 698 699 Tokens = annotate("delete[/*comment*/] (void *)p;"); 700 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 701 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 702 703 Tokens = annotate("delete/*comment*/[] (void *)p;"); 704 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 705 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 706 } 707 708 TEST_F(TokenAnnotatorTest, UnderstandsCasts) { 709 auto Tokens = annotate("(void)p;"); 710 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 711 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 712 713 Tokens = annotate("(uint32_t)&&label;"); 714 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 715 EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen); 716 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator); 717 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 718 719 Tokens = annotate("auto x = (Foo)p;"); 720 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 721 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen); 722 723 Tokens = annotate("(std::vector<int>)p;"); 724 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 725 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen); 726 727 Tokens = annotate("return (Foo)p;"); 728 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 729 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 730 731 Tokens = annotate("throw (Foo)p;"); 732 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 733 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen); 734 735 Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)"); 736 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 737 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 738 EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown); 739 EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator); 740 741 Tokens = annotate("#define foo(i) ((i) - bar)"); 742 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 743 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown); 744 EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator); 745 746 Tokens = annotate("return (Foo) & 10;"); 747 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 748 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 749 EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator); 750 751 Tokens = annotate("return (struct foo){};"); 752 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 753 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen); 754 755 Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)"); 756 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 757 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 758 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 759 760 Tokens = annotate("#define FOO(bar) foo((Foo) & bar)"); 761 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 762 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown); 763 EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator); 764 765 Tokens = annotate("func((void (*)())&a);"); 766 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 767 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 768 EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference); 769 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen); 770 EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator); 771 772 Tokens = annotate("int result = ((int)a) - b;"); 773 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 774 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen); 775 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 776 EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator); 777 778 auto Style = getLLVMStyle(); 779 Style.TypeNames.push_back("Foo"); 780 Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style); 781 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 782 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName); 783 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen); 784 EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator); 785 } 786 787 TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) { 788 auto Tokens = annotate("void f() throw(int);"); 789 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 790 EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown); 791 } 792 793 TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) { 794 auto Tokens = annotate("void f() &;"); 795 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 796 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 797 798 Tokens = annotate("void operator=(T) &&;"); 799 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 800 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 801 802 Tokens = annotate("template <typename T> void f() &;"); 803 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 804 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 805 806 Tokens = annotate("template <typename T> void operator=(T) &;"); 807 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 808 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 809 } 810 811 TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) { 812 auto Tokens = annotate("x.operator+()"); 813 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 814 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 815 EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator); 816 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 817 Tokens = annotate("x.operator=()"); 818 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 819 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 820 EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator); 821 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 822 Tokens = annotate("x.operator+=()"); 823 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 824 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 825 EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator); 826 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 827 Tokens = annotate("x.operator,()"); 828 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 829 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 830 EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator); 831 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 832 Tokens = annotate("x.operator()()"); 833 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 834 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 835 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator); 836 EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator); 837 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 838 Tokens = annotate("x.operator[]()"); 839 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 840 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 841 // EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator); 842 // EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator); 843 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 844 Tokens = annotate("x.operator\"\"_a()"); 845 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 846 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 847 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 848 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 849 Tokens = annotate("x.operator\"\" _a()"); 850 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 851 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 852 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 853 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 854 Tokens = annotate("x.operator\"\"if()"); 855 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 856 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 857 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 858 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 859 Tokens = annotate("x.operator\"\"s()"); 860 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 861 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 862 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 863 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 864 Tokens = annotate("x.operator\"\" s()"); 865 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 866 EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown); 867 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator); 868 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen); 869 870 Tokens = annotate("int operator+(int);"); 871 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 872 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 873 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 874 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 875 Tokens = annotate("auto operator=(T&) {}"); 876 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 877 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 878 EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator); 879 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 880 Tokens = annotate("auto operator()() {}"); 881 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 882 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName); 883 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator); 884 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator); 885 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen); 886 887 Tokens = annotate("class Foo {\n" 888 " int operator+(a* b);\n" 889 "}"); 890 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 891 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 892 EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator); 893 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen); 894 EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference); 895 896 Tokens = annotate("class Foo {\n" 897 " int c = operator+(a * b);\n" 898 "}"); 899 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 900 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown); 901 EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator); 902 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen); 903 EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator); 904 905 Tokens = annotate("void foo() {\n" 906 " operator+(a * b);\n" 907 "}"); 908 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 909 EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown); 910 EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator); 911 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 912 EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator); 913 914 Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);"); 915 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 916 EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown); 917 EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator); 918 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen); 919 EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator); 920 EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator); 921 EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown); 922 EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator); 923 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen); 924 EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator); 925 EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator); 926 927 Tokens = annotate("class Foo {\n" 928 " void foo() {\n" 929 " operator+(a * b);\n" 930 " }\n" 931 "}"); 932 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 933 EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown); 934 EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator); 935 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen); 936 EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator); 937 938 Tokens = annotate("std::vector<Foo> operator()(Foo &foo);"); 939 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 940 EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener); 941 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 942 EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName); 943 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator); 944 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator); 945 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen); 946 EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference); 947 948 Tokens = annotate("decltype(auto) operator()(T &x);"); 949 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 950 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 951 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen); 952 EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName); 953 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator); 954 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator); 955 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen); 956 EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference); 957 } 958 959 TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) { 960 struct { 961 const char *Text; 962 tok::TokenKind Kind; 963 } Operators[] = {{"+", tok::plus}, 964 {"-", tok::minus}, 965 // FIXME: 966 // {"*", tok::star}, 967 {"/", tok::slash}, 968 {"%", tok::percent}, 969 {"^", tok::caret}, 970 // FIXME: 971 // {"&", tok::amp}, 972 {"|", tok::pipe}, 973 {"~", tok::tilde}, 974 {"!", tok::exclaim}, 975 {"=", tok::equal}, 976 // FIXME: 977 // {"<", tok::less}, 978 {">", tok::greater}, 979 {"+=", tok::plusequal}, 980 {"-=", tok::minusequal}, 981 {"*=", tok::starequal}, 982 {"/=", tok::slashequal}, 983 {"%=", tok::percentequal}, 984 {"^=", tok::caretequal}, 985 {"&=", tok::ampequal}, 986 {"|=", tok::pipeequal}, 987 {"<<", tok::lessless}, 988 {">>", tok::greatergreater}, 989 {">>=", tok::greatergreaterequal}, 990 {"<<=", tok::lesslessequal}, 991 {"==", tok::equalequal}, 992 {"!=", tok::exclaimequal}, 993 {"<=", tok::lessequal}, 994 {">=", tok::greaterequal}, 995 {"<=>", tok::spaceship}, 996 {"&&", tok::ampamp}, 997 {"||", tok::pipepipe}, 998 {"++", tok::plusplus}, 999 {"--", tok::minusminus}, 1000 {",", tok::comma}, 1001 {"->*", tok::arrowstar}, 1002 {"->", tok::arrow}}; 1003 1004 for (const auto &Operator : Operators) { 1005 std::string Input("C<&operator"); 1006 Input += Operator.Text; 1007 Input += " > a;"; 1008 auto Tokens = annotate(std::string(Input)); 1009 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1010 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1011 EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator); 1012 EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser); 1013 } 1014 1015 auto Tokens = annotate("C<&operator< <X>> lt;"); 1016 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1017 EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener); 1018 EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator); 1019 EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener); 1020 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1021 EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser); 1022 } 1023 1024 TEST_F(TokenAnnotatorTest, UnderstandsRequiresClausesAndConcepts) { 1025 auto Tokens = annotate("template <typename T>\n" 1026 "concept C = (Foo && Bar) && (Bar && Baz);"); 1027 1028 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1029 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1030 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1031 EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator); 1032 1033 Tokens = annotate("template <typename T>\n" 1034 "concept C = Foo && !Bar;"); 1035 1036 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1037 EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator); 1038 EXPECT_TOKEN(Tokens[10], tok::exclaim, TT_UnaryOperator); 1039 1040 Tokens = annotate("template <typename T>\n" 1041 "concept C = requires(T t) {\n" 1042 " { t.foo() };\n" 1043 "} && Bar<T> && Baz<T>;"); 1044 ASSERT_EQ(Tokens.size(), 35u) << Tokens; 1045 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1046 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1047 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1048 EXPECT_TOKEN(Tokens[23], tok::ampamp, TT_BinaryOperator); 1049 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1050 1051 Tokens = annotate("template<typename T>\n" 1052 "requires C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>\n" 1053 "struct Foo;"); 1054 ASSERT_EQ(Tokens.size(), 36u) << Tokens; 1055 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1056 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 1057 EXPECT_EQ(Tokens[6]->FakeLParens.size(), 1u); 1058 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator); 1059 EXPECT_TOKEN(Tokens[16], tok::pipepipe, TT_BinaryOperator); 1060 EXPECT_TOKEN(Tokens[21], tok::ampamp, TT_BinaryOperator); 1061 EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator); 1062 EXPECT_TOKEN(Tokens[31], tok::greater, TT_TemplateCloser); 1063 EXPECT_EQ(Tokens[31]->FakeRParens, 1u); 1064 EXPECT_TRUE(Tokens[31]->ClosesRequiresClause); 1065 1066 Tokens = 1067 annotate("template<typename T>\n" 1068 "requires (C1<T> && (C21<T> || C22<T> && C2e<T>) && C3<T>)\n" 1069 "struct Foo;"); 1070 ASSERT_EQ(Tokens.size(), 38u) << Tokens; 1071 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1072 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_Unknown); 1073 EXPECT_EQ(Tokens[7]->FakeLParens.size(), 1u); 1074 EXPECT_TOKEN(Tokens[11], tok::ampamp, TT_BinaryOperator); 1075 EXPECT_TOKEN(Tokens[17], tok::pipepipe, TT_BinaryOperator); 1076 EXPECT_TOKEN(Tokens[22], tok::ampamp, TT_BinaryOperator); 1077 EXPECT_TOKEN(Tokens[28], tok::ampamp, TT_BinaryOperator); 1078 EXPECT_TOKEN(Tokens[32], tok::greater, TT_TemplateCloser); 1079 EXPECT_EQ(Tokens[32]->FakeRParens, 1u); 1080 EXPECT_TOKEN(Tokens[33], tok::r_paren, TT_Unknown); 1081 EXPECT_TRUE(Tokens[33]->ClosesRequiresClause); 1082 1083 Tokens = annotate("template <typename T>\n" 1084 "void foo(T) noexcept requires Bar<T>;"); 1085 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1086 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1087 1088 Tokens = annotate("template <typename T>\n" 1089 "requires Bar<T> || Baz<T>\n" 1090 "auto foo(T) -> int;"); 1091 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1092 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1093 EXPECT_EQ(Tokens[11]->FakeLParens.size(), 0u); 1094 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1095 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_TrailingReturnArrow); 1096 1097 Tokens = annotate("template <typename T>\n" 1098 "requires Bar<T>\n" 1099 "bool foo(T) { return false; }"); 1100 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1101 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1102 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1103 EXPECT_TOKEN(Tokens[11], tok::identifier, TT_FunctionDeclarationName); 1104 EXPECT_TOKEN(Tokens[12], tok::l_paren, TT_FunctionDeclarationLParen); 1105 1106 Tokens = annotate("template <typename T>\n" 1107 "requires Bar<T>\n" 1108 "decltype(auto) foo(T) { return false; }"); 1109 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1110 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1111 EXPECT_TRUE(Tokens[9]->ClosesRequiresClause); 1112 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_FunctionDeclarationName); 1113 EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_FunctionDeclarationLParen); 1114 1115 Tokens = annotate("template <typename T>\n" 1116 "struct S {\n" 1117 " void foo() const requires Bar<T>;\n" 1118 " void bar() const & requires Baz<T>;\n" 1119 " void bar() && requires Baz2<T>;\n" 1120 " void baz() const & noexcept requires Baz<T>;\n" 1121 " void baz() && noexcept requires Baz2<T>;\n" 1122 "};\n" 1123 "\n" 1124 "void S::bar() const & requires Baz<T> { }"); 1125 ASSERT_EQ(Tokens.size(), 85u) << Tokens; 1126 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1127 EXPECT_TOKEN(Tokens[24], tok::amp, TT_PointerOrReference); 1128 EXPECT_TOKEN(Tokens[25], tok::kw_requires, TT_RequiresClause); 1129 EXPECT_TOKEN(Tokens[35], tok::ampamp, TT_PointerOrReference); 1130 EXPECT_TOKEN(Tokens[36], tok::kw_requires, TT_RequiresClause); 1131 EXPECT_TOKEN(Tokens[47], tok::amp, TT_PointerOrReference); 1132 EXPECT_TOKEN(Tokens[49], tok::kw_requires, TT_RequiresClause); 1133 EXPECT_TOKEN(Tokens[59], tok::ampamp, TT_PointerOrReference); 1134 EXPECT_TOKEN(Tokens[61], tok::kw_requires, TT_RequiresClause); 1135 EXPECT_TOKEN(Tokens[76], tok::amp, TT_PointerOrReference); 1136 EXPECT_TOKEN(Tokens[77], tok::kw_requires, TT_RequiresClause); 1137 1138 Tokens = annotate("void Class::member() && requires(Constant) {}"); 1139 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 1140 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1141 1142 Tokens = annotate("void Class::member() && requires(Constant<T>) {}"); 1143 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1144 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1145 1146 Tokens = 1147 annotate("void Class::member() && requires(Namespace::Constant<T>) {}"); 1148 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1149 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1150 1151 Tokens = annotate("void Class::member() && requires(typename " 1152 "Namespace::Outer<T>::Inner::Constant) {}"); 1153 ASSERT_EQ(Tokens.size(), 24u) << Tokens; 1154 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1155 1156 Tokens = annotate("struct [[nodiscard]] zero_t {\n" 1157 " template<class T>\n" 1158 " requires requires { number_zero_v<T>; }\n" 1159 " [[nodiscard]] constexpr operator T() const { " 1160 "return number_zero_v<T>; }\n" 1161 "};"); 1162 ASSERT_EQ(Tokens.size(), 44u) << Tokens; 1163 EXPECT_TOKEN(Tokens[13], tok::kw_requires, TT_RequiresClause); 1164 EXPECT_TOKEN(Tokens[14], tok::kw_requires, TT_RequiresExpression); 1165 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_RequiresExpressionLBrace); 1166 EXPECT_TOKEN(Tokens[21], tok::r_brace, TT_Unknown); 1167 EXPECT_EQ(Tokens[21]->MatchingParen, Tokens[15]); 1168 EXPECT_TRUE(Tokens[21]->ClosesRequiresClause); 1169 1170 Tokens = 1171 annotate("template <class A, class B> concept C =" 1172 "std::same_as<std::iter_value_t<A>, std::iter_value_t<B>>;"); 1173 ASSERT_EQ(Tokens.size(), 31u) << Tokens; 1174 EXPECT_TOKEN(Tokens[8], tok::kw_concept, TT_Unknown); 1175 EXPECT_TOKEN(Tokens[14], tok::less, TT_TemplateOpener); 1176 EXPECT_TOKEN(Tokens[18], tok::less, TT_TemplateOpener); 1177 EXPECT_TOKEN(Tokens[20], tok::greater, TT_TemplateCloser); 1178 EXPECT_TOKEN(Tokens[25], tok::less, TT_TemplateOpener); 1179 EXPECT_TOKEN(Tokens[27], tok::greater, TT_TemplateCloser); 1180 EXPECT_TOKEN(Tokens[28], tok::greater, TT_TemplateCloser); 1181 1182 Tokens = annotate("auto bar() -> int requires(is_integral_v<T>) {}"); 1183 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1184 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1185 1186 Tokens = annotate("auto bar() -> void requires(is_integral_v<T>) {}"); 1187 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1188 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1189 1190 Tokens = annotate("auto bar() -> MyType requires(is_integral_v<T>) {}"); 1191 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1192 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1193 1194 Tokens = 1195 annotate("auto bar() -> SOME_MACRO_TYPE requires(is_integral_v<T>) {}"); 1196 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1197 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1198 1199 Tokens = 1200 annotate("auto bar() -> qualified::type requires(is_integral_v<T>) {}"); 1201 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1202 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 1203 1204 Tokens = 1205 annotate("auto bar() -> Template<type> requires(is_integral_v<T>) {}"); 1206 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1207 EXPECT_TOKEN(Tokens[9], tok::kw_requires, TT_RequiresClause); 1208 1209 Tokens = annotate("void foo() requires((A<T>) && C) {}"); 1210 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1211 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1212 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator); 1213 1214 Tokens = annotate("void foo() requires(((A<T>) && C)) {}"); 1215 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1216 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1217 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator); 1218 1219 Tokens = annotate("void foo() requires([](T&&){}(t)) {}"); 1220 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1221 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1222 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1223 1224 Tokens = annotate("void foo() requires([](T&& u){}(t)) {}"); 1225 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1226 EXPECT_TOKEN(Tokens[4], tok::kw_requires, TT_RequiresClause); 1227 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1228 1229 Tokens = annotate("void f() & requires(true) {}"); 1230 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1231 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1232 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1233 1234 Tokens = annotate("void f() & requires(C<true, true>) {}"); 1235 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1236 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1237 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1238 1239 Tokens = annotate("template <typename T>\n" 1240 "concept C = (!Foo<T>) && Bar;"); 1241 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1242 EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator); 1243 1244 Tokens = annotate("void f() & requires(C<decltype(x)>) {}"); 1245 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1246 EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference); 1247 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresClause); 1248 1249 Tokens = annotate("auto f() -> int& requires(C<decltype(x)>) {}"); 1250 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1251 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1252 EXPECT_TOKEN(Tokens[7], tok::kw_requires, TT_RequiresClause); 1253 1254 Tokens = annotate("bool x = t && requires(decltype(t) x) { x.foo(); };"); 1255 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1256 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1257 1258 Tokens = annotate("bool x = t && requires(Foo<decltype(t)> x) { x.foo(); };"); 1259 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 1260 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1261 1262 Tokens = annotate("bool x = t && requires(Foo<C1 || C2> x) { x.foo(); };"); 1263 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1264 EXPECT_TOKEN(Tokens[5], tok::kw_requires, TT_RequiresExpression); 1265 } 1266 1267 TEST_F(TokenAnnotatorTest, UnderstandsRequiresExpressions) { 1268 auto Tokens = annotate("bool b = requires(int i) { i + 5; };"); 1269 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1270 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1271 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1272 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1273 1274 Tokens = annotate("if (requires(int i) { i + 5; }) return;"); 1275 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 1276 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1277 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1278 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_RequiresExpressionLBrace); 1279 1280 Tokens = annotate("if (func() && requires(int i) { i + 5; }) return;"); 1281 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1282 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresExpression); 1283 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_RequiresExpressionLParen); 1284 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_RequiresExpressionLBrace); 1285 1286 Tokens = annotate("foo(requires(const T t) {});"); 1287 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1288 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1289 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1290 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1291 1292 Tokens = annotate("foo(requires(const int t) {});"); 1293 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1294 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1295 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1296 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1297 1298 Tokens = annotate("foo(requires(const T t) {});"); 1299 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1300 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1301 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1302 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1303 1304 Tokens = annotate("foo(requires(int const* volatile t) {});"); 1305 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1306 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1307 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1308 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1309 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1310 1311 Tokens = annotate("foo(requires(T const* volatile t) {});"); 1312 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1313 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1314 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1315 EXPECT_TOKEN(Tokens[6], tok::star, TT_PointerOrReference); 1316 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_RequiresExpressionLBrace); 1317 1318 Tokens = annotate("foo(requires(T& t) {});"); 1319 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1320 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1321 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1322 EXPECT_TOKEN(Tokens[5], tok::amp, TT_PointerOrReference); 1323 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1324 1325 Tokens = annotate("foo(requires(T&& t) {});"); 1326 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1327 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1328 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1329 EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_PointerOrReference); 1330 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_RequiresExpressionLBrace); 1331 1332 Tokens = annotate("bool foo = requires(T& t) {};"); 1333 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1334 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1335 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1336 EXPECT_TOKEN(Tokens[6], tok::amp, TT_PointerOrReference); 1337 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1338 1339 Tokens = annotate("bool foo = requires(T&& t) {};"); 1340 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 1341 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1342 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1343 EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference); 1344 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_RequiresExpressionLBrace); 1345 1346 Tokens = 1347 annotate("foo(requires(const typename Outer<T>::Inner * const t) {});"); 1348 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1349 EXPECT_TOKEN(Tokens[2], tok::kw_requires, TT_RequiresExpression); 1350 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_RequiresExpressionLParen); 1351 EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference); 1352 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_RequiresExpressionLBrace); 1353 1354 Tokens = annotate("template <typename T>\n" 1355 "concept C = requires(T T) {\n" 1356 " requires Bar<T> && Foo<T>;\n" 1357 "};"); 1358 ASSERT_EQ(Tokens.size(), 28u) << Tokens; 1359 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1360 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1361 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1362 EXPECT_TOKEN(Tokens[14], tok::kw_requires, 1363 TT_RequiresClauseInARequiresExpression); 1364 1365 Tokens = annotate("template <typename T>\n" 1366 "concept C = requires(T T) {\n" 1367 " { t.func() } -> std::same_as<int>;" 1368 " requires Bar<T> && Foo<T>;\n" 1369 "};"); 1370 ASSERT_EQ(Tokens.size(), 43u) << Tokens; 1371 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresExpression); 1372 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_RequiresExpressionLParen); 1373 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1374 EXPECT_TOKEN(Tokens[29], tok::kw_requires, 1375 TT_RequiresClauseInARequiresExpression); 1376 1377 // Invalid Code, but we don't want to crash. See http://llvm.org/PR54350. 1378 Tokens = annotate("bool r10 = requires (struct new_struct { int x; } s) { " 1379 "requires true; };"); 1380 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1381 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1382 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1383 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_RequiresExpressionLBrace); 1384 1385 Tokens = annotate("bool foo = requires(C<true, true> c) {\n" 1386 " { c.foo(); }\n" 1387 "};"); 1388 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 1389 EXPECT_TOKEN(Tokens[3], tok::kw_requires, TT_RequiresExpression); 1390 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_RequiresExpressionLParen); 1391 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_RequiresExpressionLBrace); 1392 } 1393 1394 TEST_F(TokenAnnotatorTest, UnderstandsPragmaRegion) { 1395 // Everything after #pragma region should be ImplicitStringLiteral 1396 auto Tokens = annotate("#pragma region Foo(Bar: Hello)"); 1397 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1398 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_ImplicitStringLiteral); 1399 EXPECT_TOKEN(Tokens[6], tok::colon, TT_ImplicitStringLiteral); 1400 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_ImplicitStringLiteral); 1401 1402 // Make sure it's annotated correctly inside a function as well 1403 Tokens = annotate("void test(){\n#pragma region Foo(Bar: Hello)\n}"); 1404 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1405 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_ImplicitStringLiteral); 1406 EXPECT_TOKEN(Tokens[11], tok::colon, TT_ImplicitStringLiteral); 1407 EXPECT_TOKEN(Tokens[12], tok::identifier, TT_ImplicitStringLiteral); 1408 } 1409 1410 TEST_F(TokenAnnotatorTest, RequiresDoesNotChangeParsingOfTheRest) { 1411 const char *BaseCode = nullptr; 1412 const char *ConstrainedCode = nullptr; 1413 auto BaseTokenCount = 0u; 1414 auto RequiresTokenCount = 0u; 1415 auto PrefixTokenCount = 0u; 1416 1417 auto TestRequires = [&](int Line) { 1418 const auto BaseTokens = annotate(BaseCode); 1419 const auto ConstrainedTokens = annotate(ConstrainedCode); 1420 1421 #define LINE " (Line " << Line << ')' 1422 1423 ASSERT_EQ(BaseTokens.size(), BaseTokenCount) << BaseTokens << LINE; 1424 ASSERT_EQ(ConstrainedTokens.size(), BaseTokenCount + RequiresTokenCount) 1425 << LINE; 1426 1427 for (auto I = 0u; I < BaseTokenCount; ++I) { 1428 EXPECT_EQ( 1429 *BaseTokens[I], 1430 *ConstrainedTokens[I < PrefixTokenCount ? I : I + RequiresTokenCount]) 1431 << I << LINE; 1432 } 1433 1434 #undef LINE 1435 }; 1436 1437 BaseCode = "template<typename T>\n" 1438 "T Pi = 3.14;"; 1439 ConstrainedCode = "template<typename T>\n" 1440 " requires Foo<T>\n" 1441 "T Pi = 3.14;"; 1442 BaseTokenCount = 11; 1443 RequiresTokenCount = 5; 1444 PrefixTokenCount = 5; 1445 TestRequires(__LINE__); 1446 1447 BaseCode = "template<typename T>\n" 1448 "struct Bar;"; 1449 ConstrainedCode = "template<typename T>\n" 1450 " requires Foo<T>\n" 1451 "struct Bar;"; 1452 BaseTokenCount = 9; 1453 TestRequires(__LINE__); 1454 1455 BaseCode = "template<typename T>\n" 1456 "struct Bar {\n" 1457 " T foo();\n" 1458 " T bar();\n" 1459 "};"; 1460 ConstrainedCode = "template<typename T>\n" 1461 " requires Foo<T>\n" 1462 "struct Bar {\n" 1463 " T foo();\n" 1464 " T bar();\n" 1465 "};"; 1466 BaseTokenCount = 21; 1467 TestRequires(__LINE__); 1468 1469 BaseCode = "template<typename T>\n" 1470 "Bar(T) -> Bar<T>;"; 1471 ConstrainedCode = "template<typename T>\n" 1472 " requires Foo<T>\n" 1473 "Bar(T) -> Bar<T>;"; 1474 BaseTokenCount = 16; 1475 TestRequires(__LINE__); 1476 1477 BaseCode = "template<typename T>\n" 1478 "T foo();"; 1479 ConstrainedCode = "template<typename T>\n" 1480 " requires Foo<T>\n" 1481 "T foo();"; 1482 BaseTokenCount = 11; 1483 TestRequires(__LINE__); 1484 1485 BaseCode = "template<typename T>\n" 1486 "T foo() {\n" 1487 " auto bar = baz();\n" 1488 " return bar + T{};\n" 1489 "}"; 1490 ConstrainedCode = "template<typename T>\n" 1491 " requires Foo<T>\n" 1492 "T foo() {\n" 1493 " auto bar = baz();\n" 1494 " return bar + T{};\n" 1495 "}"; 1496 BaseTokenCount = 26; 1497 TestRequires(__LINE__); 1498 1499 BaseCode = "template<typename T>\n" 1500 "T foo();"; 1501 ConstrainedCode = "template<typename T>\n" 1502 "T foo() requires Foo<T>;"; 1503 BaseTokenCount = 11; 1504 PrefixTokenCount = 9; 1505 TestRequires(__LINE__); 1506 1507 BaseCode = "template<typename T>\n" 1508 "T foo() {\n" 1509 " auto bar = baz();\n" 1510 " return bar + T{};\n" 1511 "}"; 1512 ConstrainedCode = "template<typename T>\n" 1513 "T foo() requires Foo<T> {\n" 1514 " auto bar = baz();\n" 1515 " return bar + T{};\n" 1516 "}"; 1517 BaseTokenCount = 26; 1518 TestRequires(__LINE__); 1519 1520 BaseCode = "template<typename T>\n" 1521 "T foo();"; 1522 ConstrainedCode = "template<typename T>\n" 1523 " requires(Foo<T>)\n" 1524 "T foo();"; 1525 BaseTokenCount = 11; 1526 RequiresTokenCount = 7; 1527 PrefixTokenCount = 5; 1528 TestRequires(__LINE__); 1529 1530 BaseCode = "template<typename T>\n" 1531 "Bar(T) -> Bar<typename T::I>;"; 1532 ConstrainedCode = "template<typename T>\n" 1533 " requires requires(T &&t) {\n" 1534 " typename T::I;\n" 1535 " }\n" 1536 "Bar(T) -> Bar<typename T::I>;"; 1537 BaseTokenCount = 19; 1538 RequiresTokenCount = 14; 1539 PrefixTokenCount = 5; 1540 TestRequires(__LINE__); 1541 1542 BaseCode = "struct [[nodiscard]] zero_t {\n" 1543 " template<class T>\n" 1544 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1545 "};"; 1546 ConstrainedCode = 1547 "struct [[nodiscard]] zero_t {\n" 1548 " template<class T>\n" 1549 " requires requires { v<T>; }\n" 1550 " [[nodiscard]] constexpr operator T() const { return v<T>; }\n" 1551 "};"; 1552 BaseTokenCount = 35; 1553 RequiresTokenCount = 9; 1554 PrefixTokenCount = 13; 1555 TestRequires(__LINE__); 1556 1557 BaseCode = "constexpr Foo(Foo const &other)\n" 1558 " : value{other.value} {\n" 1559 " do_magic();\n" 1560 " do_more_magic();\n" 1561 "}"; 1562 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1563 " requires std::is_copy_constructible<T>\n" 1564 " : value{other.value} {\n" 1565 " do_magic();\n" 1566 " do_more_magic();\n" 1567 "}"; 1568 BaseTokenCount = 26; 1569 RequiresTokenCount = 7; 1570 PrefixTokenCount = 8; 1571 TestRequires(__LINE__); 1572 1573 BaseCode = "constexpr Foo(Foo const &other)\n" 1574 " : value{other.value} {\n" 1575 " do_magic();\n" 1576 " do_more_magic();\n" 1577 "}"; 1578 ConstrainedCode = "constexpr Foo(Foo const &other)\n" 1579 " requires (std::is_copy_constructible<T>)\n" 1580 " : value{other.value} {\n" 1581 " do_magic();\n" 1582 " do_more_magic();\n" 1583 "}"; 1584 RequiresTokenCount = 9; 1585 TestRequires(__LINE__); 1586 1587 BaseCode = "template<typename T>\n" 1588 "ANNOTATE(\"S\"\n" 1589 " \"S\")\n" 1590 "void foo();"; 1591 ConstrainedCode = "template<typename T>\n" 1592 " requires(true)\n" 1593 "ANNOTATE(\"S\"\n" 1594 " \"S\")\n" 1595 "void foo();"; 1596 BaseTokenCount = 16; 1597 RequiresTokenCount = 4; 1598 PrefixTokenCount = 5; 1599 TestRequires(__LINE__); 1600 } 1601 1602 TEST_F(TokenAnnotatorTest, UnderstandsAsm) { 1603 auto Tokens = annotate("__asm{\n" 1604 "\"a\":\n" 1605 ": x\n" 1606 ":};"); 1607 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1608 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1609 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_InlineASMBrace); 1610 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1611 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1612 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1613 EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_InlineASMBrace); 1614 1615 Tokens = annotate("__asm(\n" 1616 "\"a\":\n" 1617 ": x\n" 1618 ":);"); 1619 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1620 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1621 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1622 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1623 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1624 1625 Tokens = annotate("asm volatile (\n" 1626 "\"a_label:\"\n" 1627 ":\n" 1628 ": x\n" 1629 ":);"); 1630 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1631 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1632 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1633 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1634 EXPECT_TOKEN(Tokens[7], tok::colon, TT_InlineASMColon); 1635 1636 Tokens = annotate("__asm__(\n" 1637 "\"a_label:\"\n" 1638 ": x\n" 1639 ":\n" 1640 ": y);"); 1641 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1642 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1643 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1644 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1645 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1646 1647 Tokens = annotate("__asm volatile (\n" 1648 "\"a_label:\"\n" 1649 "\"a b c(%%x)\"\n" 1650 ":\n" 1651 ": x\n" 1652 ":);"); 1653 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1654 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1655 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1656 EXPECT_TOKEN(Tokens[6], tok::colon, TT_InlineASMColon); 1657 EXPECT_TOKEN(Tokens[8], tok::colon, TT_InlineASMColon); 1658 1659 Tokens = annotate("asm(\n" 1660 "\"insn\"\n" 1661 ": \"=r\" (var1), \"=&r\" (value)\n" 1662 ":\n" 1663 ": \"memory\");"); 1664 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1665 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1666 EXPECT_TOKEN(Tokens[3], tok::colon, TT_InlineASMColon); 1667 EXPECT_TOKEN(Tokens[13], tok::colon, TT_InlineASMColon); 1668 EXPECT_TOKEN(Tokens[14], tok::colon, TT_InlineASMColon); 1669 1670 Tokens = annotate("__asm__ volatile (\n" 1671 "\"ldr r1, [r0, %%[sym]]\"\n" 1672 ":\n" 1673 ": [sym] \"J\" (aaaaa(aaaa, aaaa))\n" 1674 ");"); 1675 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1676 EXPECT_TOKEN(Tokens[0], tok::kw_asm, TT_Unknown); 1677 EXPECT_TOKEN(Tokens[4], tok::colon, TT_InlineASMColon); 1678 EXPECT_TOKEN(Tokens[5], tok::colon, TT_InlineASMColon); 1679 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_InlineASMSymbolicNameLSquare); 1680 } 1681 1682 TEST_F(TokenAnnotatorTest, UnderstandsObjCBlock) { 1683 auto Tokens = annotate("int (^)() = ^ ()\n" 1684 " external_source_symbol() { //\n" 1685 " return 1;\n" 1686 "};"); 1687 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 1688 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1689 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_ObjCBlockLBrace); 1690 1691 Tokens = annotate("int *p = ^int*(){ //\n" 1692 " return nullptr;\n" 1693 "}();"); 1694 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1695 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_ObjCBlockLBrace); 1696 1697 Tokens = annotate("id (^block)(Foo *a) = ^id _Nullable(Foo *_Nullable a) {\n" 1698 " return a;\n" 1699 "};"); 1700 ASSERT_EQ(Tokens.size(), 27u) << Tokens; 1701 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); // Not CtorDtorDeclName. 1702 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ObjCBlockLParen); 1703 } 1704 1705 TEST_F(TokenAnnotatorTest, UnderstandsObjCMethodExpr) { 1706 auto Tokens = annotate("void f() {\n" 1707 " //\n" 1708 " BOOL a = [b.c n] > 1;\n" 1709 "}"); 1710 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1711 EXPECT_TOKEN(Tokens[9], tok::l_square, TT_ObjCMethodExpr); 1712 EXPECT_TOKEN(Tokens[15], tok::greater, TT_BinaryOperator); 1713 } 1714 1715 TEST_F(TokenAnnotatorTest, UnderstandsLambdas) { 1716 auto Tokens = annotate("[]() constexpr {}"); 1717 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1718 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1719 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1720 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1721 1722 Tokens = annotate("[]() consteval {}"); 1723 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1724 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1725 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1726 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1727 1728 Tokens = annotate("[]() mutable {}"); 1729 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1730 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1731 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1732 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1733 1734 Tokens = annotate("[]() static {}"); 1735 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 1736 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1737 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1738 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1739 1740 Tokens = annotate("[]() -> auto {}"); 1741 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1742 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1743 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1744 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1745 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1746 1747 Tokens = annotate("[]() -> auto & {}"); 1748 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1749 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1750 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1751 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1752 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1753 1754 Tokens = annotate("[]() -> auto * {}"); 1755 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1756 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1757 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_LambdaDefinitionLParen); 1758 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_LambdaArrow); 1759 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1760 1761 Tokens = annotate("[] {}"); 1762 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 1763 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1764 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_LambdaLBrace); 1765 1766 Tokens = annotate("[] noexcept {}"); 1767 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 1768 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1769 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_LambdaLBrace); 1770 1771 Tokens = annotate("[] -> auto {}"); 1772 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 1773 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1774 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1775 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_LambdaLBrace); 1776 1777 Tokens = annotate("[] -> struct S { return {}; }"); 1778 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1779 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1780 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_LambdaArrow); 1781 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_LambdaLBrace); 1782 1783 Tokens = annotate("foo([&](u32 bar) __attribute__((attr)) -> void {});"); 1784 ASSERT_EQ(Tokens.size(), 22u) << Tokens; 1785 EXPECT_TOKEN(Tokens[2], tok::l_square, TT_LambdaLSquare); 1786 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_LambdaDefinitionLParen); 1787 EXPECT_TOKEN(Tokens[15], tok::arrow, TT_LambdaArrow); 1788 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1789 1790 Tokens = annotate("[] <typename T> () {}"); 1791 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 1792 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1793 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1794 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1795 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_LambdaLBrace); 1796 1797 Tokens = annotate("[] <typename T> {}"); 1798 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 1799 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1800 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1801 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_LambdaLBrace); 1802 1803 Tokens = annotate("[] <typename... T> () {}"); 1804 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1805 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1806 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1807 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1808 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1809 1810 Tokens = annotate("[] <typename... T> {}"); 1811 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1812 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1813 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1814 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1815 1816 Tokens = annotate("[] <int... T> () {}"); 1817 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1818 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1819 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1820 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1821 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1822 1823 Tokens = annotate("[] <int... T> {}"); 1824 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1825 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1826 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1827 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1828 1829 Tokens = annotate("[] <Foo... T> () {}"); 1830 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 1831 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1832 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1833 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_LambdaDefinitionLParen); 1834 EXPECT_TOKEN(Tokens[9], tok::l_brace, TT_LambdaLBrace); 1835 1836 Tokens = annotate("[] <Foo... T> {}"); 1837 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 1838 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1839 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1840 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_LambdaLBrace); 1841 1842 // Lambdas with a requires-clause 1843 Tokens = annotate("[] <typename T> (T t) requires Bar<T> {}"); 1844 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1845 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1846 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1847 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1848 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1849 EXPECT_TRUE(Tokens[14]->ClosesRequiresClause); 1850 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1851 1852 Tokens = annotate("[] <typename T> (T &&t) requires Bar<T> {}"); 1853 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1854 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1855 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1856 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1857 EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_PointerOrReference); 1858 EXPECT_TOKEN(Tokens[11], tok::kw_requires, TT_RequiresClause); 1859 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1860 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1861 1862 Tokens = annotate("[] <typename T> (T t) requires Foo<T> || Bar<T> {}"); 1863 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1864 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1865 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1866 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1867 EXPECT_TOKEN(Tokens[10], tok::kw_requires, TT_RequiresClause); 1868 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1869 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1870 1871 Tokens = annotate("[] <typename T> (T t) -> T requires Bar<T> {}"); 1872 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1873 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1874 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1875 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_LambdaDefinitionLParen); 1876 EXPECT_TOKEN(Tokens[10], tok::arrow, TT_LambdaArrow); 1877 EXPECT_TOKEN(Tokens[12], tok::kw_requires, TT_RequiresClause); 1878 EXPECT_TRUE(Tokens[16]->ClosesRequiresClause); 1879 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 1880 1881 Tokens = annotate("[] <typename T> requires Bar<T> (T t) {}"); 1882 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1883 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1884 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1885 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1886 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1887 // FIXME: 1888 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1889 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1890 1891 Tokens = annotate("[] <typename T> requires Bar<T> (T &&t) {}"); 1892 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 1893 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1894 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1895 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1896 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1897 // FIXME: 1898 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1899 EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_PointerOrReference); 1900 EXPECT_TOKEN(Tokens[16], tok::l_brace, TT_LambdaLBrace); 1901 1902 Tokens = annotate("[] <typename T> requires Foo<T> || Bar<T> (T t) {}"); 1903 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1904 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1905 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1906 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1907 EXPECT_TRUE(Tokens[15]->ClosesRequiresClause); 1908 // FIXME: 1909 // EXPECT_TOKEN(Tokens[16], tok::l_paren, TT_LambdaDefinitionLParen); 1910 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1911 1912 Tokens = annotate("[] <typename T> requires true (T&& t) {}"); 1913 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1914 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1915 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1916 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1917 EXPECT_TRUE(Tokens[7]->ClosesRequiresClause); 1918 // FIXME: 1919 // EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1920 EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference); 1921 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1922 1923 Tokens = annotate("[] <typename T> requires Bar<T> {}"); 1924 ASSERT_EQ(Tokens.size(), 14u) << 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::kw_requires, TT_RequiresClause); 1928 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1929 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_LambdaLBrace); 1930 1931 Tokens = annotate("[] <typename T> requires Bar<T> noexcept {}"); 1932 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1933 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1934 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1935 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1936 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1937 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1938 1939 Tokens = annotate("[] <typename T> requires Bar<T> -> T {}"); 1940 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 1941 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1942 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1943 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1944 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1945 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_LambdaArrow); 1946 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_LambdaLBrace); 1947 1948 Tokens = annotate("[] <typename T> requires Foo<T> (T t) requires Bar<T> {}"); 1949 ASSERT_EQ(Tokens.size(), 23u) << Tokens; 1950 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1951 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1952 EXPECT_TOKEN(Tokens[6], tok::kw_requires, TT_RequiresClause); 1953 EXPECT_TRUE(Tokens[10]->ClosesRequiresClause); 1954 // FIXME: 1955 // EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_LambdaDefinitionLParen); 1956 EXPECT_TOKEN(Tokens[15], tok::kw_requires, TT_RequiresClause); 1957 EXPECT_TRUE(Tokens[19]->ClosesRequiresClause); 1958 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 1959 1960 Tokens = annotate("[] <typename T = int> (T t) {}"); 1961 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1962 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1963 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1964 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1965 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1966 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1967 1968 Tokens = annotate("[] <int I = 0> (T t) {}"); 1969 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1970 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1971 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1972 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1973 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1974 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1975 1976 Tokens = annotate("[] <bool b = false> (T t) {}"); 1977 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 1978 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1979 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1980 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1981 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_LambdaDefinitionLParen); 1982 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_LambdaLBrace); 1983 1984 Tokens = annotate("[] <bool b = true && false> (T&& t) {}"); 1985 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 1986 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1987 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1988 EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator); 1989 EXPECT_TOKEN(Tokens[9], tok::greater, TT_TemplateCloser); 1990 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_LambdaDefinitionLParen); 1991 EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference); 1992 EXPECT_TOKEN(Tokens[15], tok::l_brace, TT_LambdaLBrace); 1993 1994 Tokens = annotate("[] <typename T = int> requires Foo<T> (T t) {}"); 1995 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 1996 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_LambdaLSquare); 1997 EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener); 1998 EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser); 1999 EXPECT_TOKEN(Tokens[8], tok::kw_requires, TT_RequiresClause); 2000 // FIXME: 2001 // EXPECT_TOKEN(Tokens[13], tok::l_paren, TT_LambdaDefinitionLParen); 2002 EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_LambdaLBrace); 2003 } 2004 2005 TEST_F(TokenAnnotatorTest, UnderstandsFunctionAnnotations) { 2006 auto Tokens = annotate("template <typename T>\n" 2007 "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" 2008 "string OldFunction(const string ¶meter) {}"); 2009 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2010 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_FunctionAnnotationRParen); 2011 2012 Tokens = annotate("template <typename T>\n" 2013 "A(T) noexcept;"); 2014 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2015 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2016 2017 Tokens = annotate("FOO(bar)();"); 2018 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2019 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown); 2020 } 2021 2022 TEST_F(TokenAnnotatorTest, UnderstandsFunctionDeclarationNames) { 2023 auto Tokens = annotate("void f [[noreturn]] ();"); 2024 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2025 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2026 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2027 2028 Tokens = annotate("void f [[noreturn]] () {}"); 2029 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2030 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2031 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2032 2033 Tokens = annotate("#define FOO Foo::\n" 2034 "FOO Foo();"); 2035 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2036 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionDeclarationName); 2037 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2038 2039 Tokens = annotate("struct Foo {\n" 2040 " Bar (*func)();\n" 2041 "};"); 2042 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2043 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 2044 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen); 2045 2046 Tokens = annotate("void instanceof();"); 2047 ASSERT_EQ(Tokens.size(), 6u); 2048 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2049 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2050 2051 Tokens = annotate("int iso_time(time_t);"); 2052 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2053 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2054 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2055 2056 auto Style = getLLVMStyle(); 2057 Style.TypeNames.push_back("MyType"); 2058 Tokens = annotate("int iso_time(MyType);", Style); 2059 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2060 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 2061 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 2062 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_TypeName); 2063 } 2064 2065 TEST_F(TokenAnnotatorTest, UnderstandsCtorAndDtorDeclNames) { 2066 auto Tokens = annotate("class Foo { public: Foo(); };"); 2067 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2068 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_CtorDtorDeclName); 2069 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 2070 2071 Tokens = annotate("class Foo { public: ~Foo(); };"); 2072 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2073 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_CtorDtorDeclName); 2074 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_FunctionDeclarationLParen); 2075 2076 Tokens = annotate("struct Foo { [[deprecated]] Foo() {} };"); 2077 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2078 EXPECT_TOKEN(Tokens[8], tok::identifier, TT_CtorDtorDeclName); 2079 EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_FunctionDeclarationLParen); 2080 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2081 2082 Tokens = annotate("struct Foo { [[deprecated]] ~Foo() {} };"); 2083 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2084 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2085 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2086 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2087 2088 Tokens = annotate("struct Foo { Foo() [[deprecated]] {} };"); 2089 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2090 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2091 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2092 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_FunctionLBrace); 2093 2094 Tokens = annotate("struct Foo { ~Foo() [[deprecated]] {} };"); 2095 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2096 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_CtorDtorDeclName); 2097 EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen); 2098 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2099 2100 Tokens = annotate("struct Foo { [[deprecated]] explicit Foo() {} };"); 2101 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 2102 EXPECT_TOKEN(Tokens[9], tok::identifier, TT_CtorDtorDeclName); 2103 EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_FunctionDeclarationLParen); 2104 EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_FunctionLBrace); 2105 2106 Tokens = annotate("struct Foo { virtual [[deprecated]] ~Foo() {} };"); 2107 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2108 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 2109 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 2110 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2111 2112 Tokens = annotate("Foo::Foo() {}"); 2113 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2114 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 2115 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 2116 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 2117 2118 Tokens = annotate("Foo::~Foo() {}"); 2119 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2120 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2121 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2122 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 2123 2124 Tokens = annotate("struct Test {\n" 2125 " Test()\n" 2126 " : l([] {\n" 2127 " Short::foo();\n" 2128 " }) {}\n" 2129 "};"); 2130 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2131 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 2132 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 2133 EXPECT_TOKEN(Tokens[14], tok::identifier, TT_Unknown); 2134 } 2135 2136 TEST_F(TokenAnnotatorTest, UnderstandsC11GenericSelection) { 2137 auto Tokens = annotate("_Generic(x, int: 1, default: 0)"); 2138 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2139 EXPECT_TOKEN(Tokens[0], tok::kw__Generic, TT_Unknown); 2140 EXPECT_TOKEN(Tokens[5], tok::colon, TT_GenericSelectionColon); 2141 EXPECT_TOKEN(Tokens[9], tok::colon, TT_GenericSelectionColon); 2142 } 2143 2144 TEST_F(TokenAnnotatorTest, UnderstandsTrailingReturnArrow) { 2145 auto Tokens = annotate("auto f() -> int;"); 2146 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2147 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2148 2149 Tokens = annotate("auto operator->() -> int;"); 2150 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2151 EXPECT_TOKEN(Tokens[2], tok::arrow, TT_OverloadedOperator); 2152 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2153 2154 Tokens = annotate("auto operator++(int) -> int;"); 2155 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2156 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2157 2158 Tokens = annotate("auto operator=() -> int;"); 2159 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2160 EXPECT_TOKEN(Tokens[5], tok::arrow, TT_TrailingReturnArrow); 2161 2162 Tokens = annotate("auto operator=(int) -> int;"); 2163 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2164 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_TrailingReturnArrow); 2165 2166 Tokens = annotate("auto foo() -> auto { return Val; }"); 2167 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2168 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2169 2170 Tokens = annotate("struct S { auto bar() const -> int; };"); 2171 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2172 EXPECT_TOKEN(Tokens[8], tok::arrow, TT_TrailingReturnArrow); 2173 2174 // Not trailing return arrows 2175 Tokens = annotate("auto a = b->c;"); 2176 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2177 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2178 2179 Tokens = annotate("auto a = (b)->c;"); 2180 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2181 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2182 2183 Tokens = annotate("auto a = b()->c;"); 2184 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2185 EXPECT_TOKEN(Tokens[6], tok::arrow, TT_Unknown); 2186 2187 Tokens = annotate("auto a = b->c();"); 2188 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2189 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2190 2191 Tokens = annotate("decltype(auto) a = b()->c;"); 2192 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2193 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2194 2195 Tokens = annotate("void f() { auto a = b->c(); }"); 2196 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2197 EXPECT_TOKEN(Tokens[9], tok::arrow, TT_Unknown); 2198 2199 Tokens = annotate("void f() { auto a = b()->c; }"); 2200 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2201 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_Unknown); 2202 2203 Tokens = annotate("#define P(ptr) auto p = (ptr)->p"); 2204 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2205 EXPECT_TOKEN(Tokens[12], tok::arrow, TT_Unknown); 2206 2207 Tokens = annotate("void f() FOO(foo->bar);"); 2208 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2209 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_Unknown); 2210 2211 Tokens = annotate("__attribute__((cold)) C() : Base(obj->func()) {}"); 2212 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 2213 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2214 2215 auto Style = getLLVMStyle(); 2216 Style.StatementAttributeLikeMacros.push_back("emit"); 2217 Tokens = annotate("emit foo()->bar;", Style); 2218 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2219 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 2220 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_Unknown); 2221 2222 // Mixed 2223 Tokens = annotate("auto f() -> int { auto a = b()->c; }"); 2224 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 2225 EXPECT_TOKEN(Tokens[4], tok::arrow, TT_TrailingReturnArrow); 2226 EXPECT_TOKEN(Tokens[13], tok::arrow, TT_Unknown); 2227 } 2228 2229 TEST_F(TokenAnnotatorTest, UnderstandHashInMacro) { 2230 auto Tokens = annotate("#define Foo(Bar) \\\n" 2231 " { \\\n" 2232 " #Bar \\\n" 2233 " }"); 2234 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2235 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2236 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2237 2238 Tokens = annotate("#define Foo(Bar) \\\n" 2239 " { #Bar }"); 2240 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2241 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 2242 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2243 2244 Tokens = annotate("#define FOO(typeName, realClass) \\\n" 2245 " {#typeName, foo<Foo>(new foo<realClass>(#typeName))}"); 2246 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 2247 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 2248 EXPECT_BRACE_KIND(Tokens[27], BK_BracedInit); 2249 } 2250 2251 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacros) { 2252 // '__attribute__' has special handling. 2253 auto Tokens = annotate("__attribute__((X)) void Foo(void);"); 2254 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2255 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2256 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2257 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2258 2259 // Generic macro has no special handling in this location. 2260 Tokens = annotate("A(X) void Foo(void);"); 2261 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2262 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2263 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_Unknown); 2264 2265 // Add a custom AttributeMacro. Test that it has the same behavior. 2266 FormatStyle Style = getLLVMStyle(); 2267 Style.AttributeMacros.push_back("A"); 2268 2269 // An "AttributeMacro" gets annotated like '__attribute__'. 2270 Tokens = annotate("A(X) void Foo(void);", Style); 2271 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2272 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2273 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2274 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2275 } 2276 2277 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCDecl) { 2278 // '__attribute__' has special handling. 2279 auto Tokens = annotate("__attribute__((X)) @interface Foo"); 2280 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2281 EXPECT_TOKEN(Tokens[0], tok::kw___attribute, TT_Unknown); 2282 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2283 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2284 2285 // Generic macro has no special handling in this location. 2286 Tokens = annotate("A(X) @interface Foo"); 2287 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2288 // Note: Don't check token-type as a random token in this position is hard to 2289 // reason about. 2290 EXPECT_TOKEN_KIND(Tokens[0], tok::identifier); 2291 EXPECT_TOKEN_KIND(Tokens[1], tok::l_paren); 2292 2293 // Add a custom AttributeMacro. Test that it has the same behavior. 2294 FormatStyle Style = getLLVMStyle(); 2295 Style.AttributeMacros.push_back("A"); 2296 2297 // An "AttributeMacro" gets annotated like '__attribute__'. 2298 Tokens = annotate("A(X) @interface Foo", Style); 2299 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2300 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_AttributeMacro); 2301 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_AttributeLParen); 2302 EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_AttributeRParen); 2303 } 2304 2305 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCMethodDecl) { 2306 // '__attribute__' has special handling. 2307 auto Tokens = annotate("- (id)init __attribute__((X));"); 2308 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2309 EXPECT_TOKEN(Tokens[5], tok::kw___attribute, TT_Unknown); 2310 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2311 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2312 2313 // Generic macro has no special handling in this location. 2314 Tokens = annotate("- (id)init A(X);"); 2315 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2316 // Note: Don't check token-type as a random token in this position is hard to 2317 // reason about. 2318 EXPECT_TOKEN_KIND(Tokens[5], tok::identifier); 2319 EXPECT_TOKEN_KIND(Tokens[6], tok::l_paren); 2320 2321 // Add a custom AttributeMacro. Test that it has the same behavior. 2322 FormatStyle Style = getLLVMStyle(); 2323 Style.AttributeMacros.push_back("A"); 2324 2325 // An "AttributeMacro" gets annotated like '__attribute__'. 2326 Tokens = annotate("- (id)init A(X);", Style); 2327 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2328 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_AttributeMacro); 2329 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_AttributeLParen); 2330 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_AttributeRParen); 2331 } 2332 2333 TEST_F(TokenAnnotatorTest, UnderstandsAttributeMacrosOnObjCProperty) { 2334 // '__attribute__' has special handling. 2335 auto Tokens = annotate("@property(weak) id delegate __attribute__((X));"); 2336 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2337 EXPECT_TOKEN(Tokens[7], tok::kw___attribute, TT_Unknown); 2338 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2339 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_AttributeRParen); 2340 2341 // Generic macro has no special handling in this location. 2342 Tokens = annotate("@property(weak) id delegate A(X);"); 2343 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2344 // Note: Don't check token-type as a random token in this position is hard to 2345 // reason about. 2346 EXPECT_TOKEN_KIND(Tokens[7], tok::identifier); 2347 EXPECT_TOKEN_KIND(Tokens[8], tok::l_paren); 2348 2349 // Add a custom AttributeMacro. Test that it has the same behavior. 2350 FormatStyle Style = getLLVMStyle(); 2351 Style.AttributeMacros.push_back("A"); 2352 2353 // An "AttributeMacro" gets annotated like '__attribute__'. 2354 Tokens = annotate("@property(weak) id delegate A(X);", Style); 2355 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 2356 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_AttributeMacro); 2357 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_AttributeLParen); 2358 EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_AttributeRParen); 2359 } 2360 2361 TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) { 2362 auto Annotate = [this](StringRef Code) { 2363 return annotate(Code, getLLVMStyle(FormatStyle::LK_Verilog)); 2364 }; 2365 // Test that unary operators get labeled as such and that operators like '++' 2366 // don't get split. 2367 tok::TokenKind Unary[] = {tok::plus, tok::minus, tok::exclaim, 2368 tok::tilde, tok::amp, tok::pipe, 2369 tok::caret, tok::plusplus, tok::minusminus}; 2370 for (auto Kind : Unary) { 2371 auto Tokens = 2372 Annotate(std::string("x = ") + tok::getPunctuatorSpelling(Kind) + "x;"); 2373 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2374 EXPECT_TOKEN(Tokens[2], Kind, TT_UnaryOperator); 2375 } 2376 // Operators formed by joining two operators like '^~'. For some of these 2377 // joined operators, we don't have a separate type, so we only test for their 2378 // precedence. 2379 std::pair<prec::Level, std::string> JoinedBinary[] = { 2380 {prec::Comma, "->"}, {prec::Comma, "<->"}, 2381 {prec::Assignment, "+="}, {prec::Assignment, "-="}, 2382 {prec::Assignment, "*="}, {prec::Assignment, "/="}, 2383 {prec::Assignment, "%="}, {prec::Assignment, "&="}, 2384 {prec::Assignment, "^="}, {prec::Assignment, "<<="}, 2385 {prec::Assignment, ">>="}, {prec::Assignment, "<<<="}, 2386 {prec::Assignment, ">>>="}, {prec::LogicalOr, "||"}, 2387 {prec::LogicalAnd, "&&"}, {prec::Equality, "=="}, 2388 {prec::Equality, "!="}, {prec::Equality, "==="}, 2389 {prec::Equality, "!=="}, {prec::Equality, "==?"}, 2390 {prec::Equality, "!=?"}, {prec::ExclusiveOr, "~^"}, 2391 {prec::ExclusiveOr, "^~"}, 2392 }; 2393 for (auto Operator : JoinedBinary) { 2394 auto Tokens = Annotate(std::string("x = x ") + Operator.second + " x;"); 2395 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2396 EXPECT_TOKEN_TYPE(Tokens[3], TT_BinaryOperator); 2397 EXPECT_TOKEN_PRECEDENCE(Tokens[3], Operator.first); 2398 } 2399 // '~^' and '^~' can be unary as well as binary operators. 2400 auto Tokens = Annotate("x = ~^x;"); 2401 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2402 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2403 Tokens = Annotate("x = ^~x;"); 2404 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2405 EXPECT_TOKEN_TYPE(Tokens[2], TT_UnaryOperator); 2406 // The unary operators '~&' and '~|' can only be unary operators. The current 2407 // implementation treats each of them as separate unary '~' and '&' or '|' 2408 // operators, which is enough for formatting purposes. In FormatTestVerilog, 2409 // there is a test that there is no space in between. And even if a new line 2410 // is inserted between the '~' and '|', the semantic meaning is the same as 2411 // the joined operator, so the CanBreakBefore property doesn't need to be 2412 // false for the second operator. 2413 Tokens = Annotate("x = ~&x;"); 2414 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2415 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2416 EXPECT_TOKEN(Tokens[3], tok::amp, TT_UnaryOperator); 2417 Tokens = Annotate("x = ~|x;"); 2418 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2419 EXPECT_TOKEN(Tokens[2], tok::tilde, TT_UnaryOperator); 2420 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_UnaryOperator); 2421 // Test for block label colons. 2422 Tokens = Annotate("begin : x\n" 2423 "end : x"); 2424 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2425 EXPECT_TOKEN(Tokens[1], tok::colon, TT_VerilogBlockLabelColon); 2426 EXPECT_TOKEN(Tokens[4], tok::colon, TT_VerilogBlockLabelColon); 2427 // Test that the dimension colon is annotated correctly. 2428 Tokens = Annotate("var [1 : 0] x;"); 2429 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2430 EXPECT_TOKEN(Tokens[3], tok::colon, TT_BitFieldColon); 2431 Tokens = Annotate("extern function [1 : 0] x;"); 2432 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2433 EXPECT_TOKEN(Tokens[4], tok::colon, TT_BitFieldColon); 2434 Tokens = Annotate("module test\n" 2435 " (input wire [7 : 0] a[7 : 0]);\n" 2436 "endmodule"); 2437 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2438 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_VerilogDimensionedTypeName); 2439 EXPECT_TOKEN(Tokens[7], tok::colon, TT_BitFieldColon); 2440 EXPECT_TOKEN(Tokens[13], tok::colon, TT_BitFieldColon); 2441 // Test case labels and ternary operators. 2442 Tokens = Annotate("case (x)\n" 2443 " x:\n" 2444 " x;\n" 2445 "endcase"); 2446 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2447 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CaseLabelColon); 2448 Tokens = Annotate("case (x)\n" 2449 " x ? x : x:\n" 2450 " x;\n" 2451 "endcase"); 2452 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2453 EXPECT_TOKEN(Tokens[5], tok::question, TT_ConditionalExpr); 2454 EXPECT_TOKEN(Tokens[7], tok::colon, TT_ConditionalExpr); 2455 EXPECT_TOKEN(Tokens[9], tok::colon, TT_CaseLabelColon); 2456 // Non-blocking assignments. 2457 Tokens = Annotate("a <= b;"); 2458 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2459 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2460 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2461 Tokens = Annotate("if (a <= b) break;"); 2462 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2463 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2464 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2465 Tokens = Annotate("a <= b <= a;"); 2466 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2467 EXPECT_TOKEN(Tokens[1], tok::lessequal, TT_BinaryOperator); 2468 EXPECT_TOKEN_PRECEDENCE(Tokens[1], prec::Assignment); 2469 EXPECT_TOKEN(Tokens[3], tok::lessequal, TT_BinaryOperator); 2470 EXPECT_TOKEN_PRECEDENCE(Tokens[3], prec::Relational); 2471 2472 // Port lists in module instantiation. 2473 Tokens = Annotate("module_x instance_1(port_1), instance_2(port_2);"); 2474 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2475 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2476 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_VerilogInstancePortLParen); 2477 Tokens = Annotate("module_x #(parameter) instance_1(port_1), " 2478 "instance_2(port_2);"); 2479 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2480 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogInstancePortLParen); 2481 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogInstancePortLParen); 2482 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_VerilogInstancePortLParen); 2483 2484 // Condition parentheses. 2485 Tokens = Annotate("assert (x);"); 2486 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2487 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2488 Tokens = Annotate("assert #0 (x);"); 2489 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2490 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_ConditionLParen); 2491 Tokens = Annotate("assert final (x);"); 2492 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2493 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2494 Tokens = Annotate("foreach (x[x]) continue;"); 2495 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2496 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2497 Tokens = Annotate("repeat (x[x]) continue;"); 2498 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2499 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2500 Tokens = Annotate("case (x) endcase;"); 2501 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2502 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2503 2504 // Sensitivity list. The TT_Unknown type is clearly not binding for the 2505 // future, please adapt if those tokens get annotated. This test is only here 2506 // to prevent the comma from being annotated as TT_VerilogInstancePortComma. 2507 Tokens = Annotate("always @(posedge x, posedge y);"); 2508 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 2509 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_Unknown); 2510 EXPECT_TOKEN(Tokens[5], tok::comma, TT_Unknown); 2511 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2512 2513 // String literals in concatenation. 2514 Tokens = Annotate("x = {\"\"};"); 2515 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2516 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2517 Tokens = Annotate("x = {\"\", \"\"};"); 2518 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2519 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_StringInConcatenation); 2520 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2521 Tokens = Annotate("x = '{{\"\"}};"); 2522 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2523 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_StringInConcatenation); 2524 // Cases where the string should not be annotated that type. Fix the 2525 // `TT_Unknown` if needed in the future. 2526 Tokens = Annotate("x = {\"\" == \"\"};"); 2527 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2528 EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_Unknown); 2529 EXPECT_TOKEN(Tokens[5], tok::string_literal, TT_Unknown); 2530 Tokens = Annotate("x = {(\"\")};"); 2531 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2532 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2533 Tokens = Annotate("x = '{\"\"};"); 2534 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2535 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_Unknown); 2536 } 2537 2538 TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) { 2539 auto Style = getLLVMStyle(FormatStyle::LK_TableGen); 2540 ASSERT_TRUE(Style.isTableGen()); 2541 2542 TestLexer Lexer(Allocator, Buffers, Style); 2543 AdditionalKeywords Keywords(Lexer.IdentTable); 2544 auto Annotate = [&Lexer](StringRef Code) { return Lexer.annotate(Code); }; 2545 2546 // Additional keywords representation test. 2547 auto Tokens = Annotate("def foo : Bar<1>;"); 2548 ASSERT_TRUE(Keywords.isTableGenKeyword(*Tokens[0])); 2549 ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0])); 2550 ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def)); 2551 ASSERT_TRUE(Tokens[1]->is(TT_StartOfName)); 2552 2553 // Code, the multiline string token. 2554 Tokens = Annotate("[{ code is multiline string }]"); 2555 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2556 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2557 EXPECT_FALSE(Tokens[0]->IsMultiline); 2558 // Case with multiple lines. 2559 Tokens = Annotate("[{ It can break\n" 2560 " across lines and the line breaks\n" 2561 " are retained in \n" 2562 " the string. }]"); 2563 ASSERT_EQ(Tokens.size(), 2u) << Tokens; 2564 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2565 EXPECT_EQ(Tokens[0]->ColumnWidth, sizeof("[{ It can break\n") - 1); 2566 EXPECT_TRUE(Tokens[0]->IsMultiline); 2567 EXPECT_EQ(Tokens[0]->LastLineColumnWidth, sizeof(" the string. }]") - 1); 2568 2569 // Numeric literals. 2570 Tokens = Annotate("1234"); 2571 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2572 Tokens = Annotate("-1"); 2573 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2574 Tokens = Annotate("+1234"); 2575 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2576 Tokens = Annotate("0b0110"); 2577 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2578 Tokens = Annotate("0x1abC"); 2579 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2580 2581 // Identifier tokens. In TableGen, identifiers can begin with a number. 2582 // In ambiguous cases, the lexer tries to lex it as a number. 2583 // Even if the try fails, it does not fall back to identifier lexing and 2584 // regard as an error. 2585 // The ambiguity is not documented. The result of those tests are based on the 2586 // implementation of llvm::TGLexer::LexToken. 2587 // This is invalid syntax of number, but not an identifier. 2588 Tokens = Annotate("0x1234x"); 2589 EXPECT_TOKEN(Tokens[0], tok::numeric_constant, TT_Unknown); 2590 Tokens = Annotate("identifier"); 2591 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2592 // Identifier beginning with a number. 2593 Tokens = Annotate("0x"); 2594 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2595 Tokens = Annotate("2dVector"); 2596 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2597 Tokens = Annotate("01234Vector"); 2598 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 2599 2600 // Structured statements. 2601 Tokens = Annotate("class Foo {}"); 2602 EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_FunctionLBrace); 2603 Tokens = Annotate("def Def: Foo {}"); 2604 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2605 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2606 Tokens = Annotate("if cond then {} else {}"); 2607 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ControlStatementLBrace); 2608 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_ElseLBrace); 2609 Tokens = Annotate("defset Foo Def2 = {}"); 2610 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 2611 2612 // Bang Operators. 2613 Tokens = Annotate("!foreach"); 2614 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2615 Tokens = Annotate("!if"); 2616 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenBangOperator); 2617 Tokens = Annotate("!cond"); 2618 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2619 2620 auto AnnotateValue = [this, &Style](StringRef Code) { 2621 // Values are annotated only in specific context. 2622 auto Result = annotate(("def X { let V = " + Code + "; }").str(), Style); 2623 return decltype(Result){Result.begin() + 6, Result.end() - 3}; 2624 }; 2625 // Both of bang/cond operators. 2626 Tokens = AnnotateValue("!cond(!eq(x, 0): 1, true: x)"); 2627 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 2628 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TableGenCondOperator); 2629 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TableGenBangOperator); 2630 EXPECT_TOKEN(Tokens[8], tok::colon, TT_TableGenCondOperatorColon); 2631 EXPECT_TOKEN(Tokens[10], tok::comma, TT_TableGenCondOperatorComma); 2632 EXPECT_TOKEN(Tokens[12], tok::colon, TT_TableGenCondOperatorColon); 2633 // DAGArg values with operator identifier 2634 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2635 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2636 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2637 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2638 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); // $src1 2639 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2640 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2641 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2642 // List literal 2643 Tokens = AnnotateValue("[1, 2, 3]"); 2644 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2645 EXPECT_TOKEN(Tokens[0], tok::l_square, TT_TableGenListOpener); 2646 EXPECT_TOKEN(Tokens[6], tok::r_square, TT_TableGenListCloser); 2647 // Suffixes of values 2648 Tokens = AnnotateValue("valid.field"); 2649 ASSERT_EQ(Tokens.size(), 3u) << Tokens; 2650 EXPECT_TOKEN(Tokens[1], tok::period, TT_TableGenValueSuffix); 2651 // Code 2652 Tokens = AnnotateValue("[{ code is multiline string }]"); 2653 ASSERT_EQ(Tokens.size(), 1u) << Tokens; 2654 EXPECT_TOKEN(Tokens[0], tok::string_literal, TT_TableGenMultiLineString); 2655 2656 // The definition 2657 Tokens = annotate("def Def : Parent<Child> {}", Style); 2658 ASSERT_EQ(Tokens.size(), 10u) << Tokens; // This contains eof. 2659 // We use inheritance colon and function brace. They are enough. 2660 EXPECT_TOKEN(Tokens[2], tok::colon, TT_InheritanceColon); 2661 EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener); 2662 EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser); 2663 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 2664 2665 // DAGArg breaking options. They use different token types depending on what 2666 // is specified. 2667 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakElements; 2668 2669 // When TableGenBreakInsideDAGArg is DAS_BreakElements and 2670 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2671 // elements to have line break. 2672 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2673 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2674 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2675 EXPECT_TOKEN(Tokens[1], tok::identifier, 2676 TT_TableGenDAGArgOperatorID); // ins 2677 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2678 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2679 2680 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2681 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2682 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2683 EXPECT_TOKEN(Tokens[1], tok::identifier, 2684 TT_TableGenDAGArgOperatorID); // other 2685 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2686 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2687 2688 // For non-identifier operators, breaks after the operator. 2689 Tokens = AnnotateValue("(!cast<Type>(\"Name\") type1:$src1, type2:$src2)"); 2690 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2691 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2692 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_TableGenDAGArgOperatorToBreak); 2693 EXPECT_TOKEN(Tokens[11], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2694 EXPECT_TOKEN(Tokens[15], tok::r_paren, TT_TableGenDAGArgCloser); 2695 2696 Style.TableGenBreakInsideDAGArg = FormatStyle::DAS_BreakAll; 2697 2698 // When TableGenBreakInsideDAGArg is DAS_BreakAll and 2699 // TableGenBreakingDAGArgOperators is not specified, it makes all the DAGArg 2700 // to have line break inside it. 2701 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2702 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2703 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2704 EXPECT_TOKEN(Tokens[1], tok::identifier, 2705 TT_TableGenDAGArgOperatorToBreak); // ins 2706 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2707 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2708 2709 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2710 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2711 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2712 EXPECT_TOKEN(Tokens[1], tok::identifier, 2713 TT_TableGenDAGArgOperatorToBreak); // other 2714 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2715 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2716 2717 // If TableGenBreakingDAGArgOperators is specified, it is limited to the 2718 // specified operators. 2719 Style.TableGenBreakingDAGArgOperators = {"ins", "outs"}; 2720 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2721 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2722 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpenerToBreak); 2723 EXPECT_TOKEN(Tokens[1], tok::identifier, 2724 TT_TableGenDAGArgOperatorToBreak); // ins 2725 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListCommaToBreak); 2726 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2727 2728 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2729 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2730 EXPECT_TOKEN(Tokens[0], tok::l_paren, TT_TableGenDAGArgOpener); 2731 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2732 EXPECT_TOKEN(Tokens[5], tok::comma, TT_TableGenDAGArgListComma); 2733 EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_TableGenDAGArgCloser); 2734 2735 // If TableGenBreakingDAGArgOperators is enabled, it uses 2736 // TT_TableGenDAGArgListColonToAlign to annotate the colon to align. 2737 Style.AlignConsecutiveTableGenBreakingDAGArgColons.Enabled = true; 2738 Tokens = AnnotateValue("(ins type1:$src1, type2:$src2)"); 2739 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2740 EXPECT_TOKEN(Tokens[1], tok::identifier, 2741 TT_TableGenDAGArgOperatorToBreak); // ins 2742 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColonToAlign); 2743 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColonToAlign); 2744 2745 Tokens = AnnotateValue("(other type1:$src1, type2:$src2)"); 2746 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2747 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); // other 2748 EXPECT_TOKEN(Tokens[3], tok::colon, TT_TableGenDAGArgListColon); 2749 EXPECT_TOKEN(Tokens[7], tok::colon, TT_TableGenDAGArgListColon); 2750 } 2751 2752 TEST_F(TokenAnnotatorTest, UnderstandConstructors) { 2753 auto Tokens = annotate("Class::Class() : BaseClass(), Member() {}"); 2754 2755 // The TT_Unknown is clearly not binding for the future, please adapt if those 2756 // tokens get annotated. 2757 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2758 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2759 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2760 EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_Unknown); 2761 EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown); 2762 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2763 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2764 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_Unknown); 2765 EXPECT_TOKEN(Tokens[12], tok::r_paren, TT_Unknown); 2766 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2767 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2768 2769 Tokens = annotate("Class::Class() : BaseClass{}, Member{} {}"); 2770 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 2771 EXPECT_TOKEN(Tokens[5], tok::colon, TT_CtorInitializerColon); 2772 EXPECT_TOKEN(Tokens[6], tok::identifier, TT_Unknown); 2773 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_Unknown); 2774 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_Unknown); 2775 EXPECT_TOKEN(Tokens[9], tok::comma, TT_CtorInitializerComma); 2776 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_Unknown); 2777 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_Unknown); 2778 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_Unknown); 2779 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 2780 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 2781 2782 Tokens = annotate("class Class {\n" 2783 " Class() : BaseClass() {\n" 2784 "#if 0\n" 2785 " // comment\n" 2786 "#endif\n" 2787 " }\n" 2788 " Class f();\n" 2789 "}"); 2790 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 2791 EXPECT_TOKEN(Tokens[6], tok::colon, TT_CtorInitializerColon); 2792 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_FunctionLBrace); 2793 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2794 } 2795 2796 TEST_F(TokenAnnotatorTest, UnderstandsConditionParens) { 2797 auto Tokens = annotate("if (x) {}"); 2798 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2799 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2800 Tokens = annotate("if constexpr (x) {}"); 2801 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2802 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2803 Tokens = annotate("if CONSTEXPR (x) {}"); 2804 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2805 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_ConditionLParen); 2806 Tokens = annotate("if (x) {} else if (x) {}"); 2807 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2808 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_ConditionLParen); 2809 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_ConditionLParen); 2810 } 2811 2812 TEST_F(TokenAnnotatorTest, CSharpNullableTypes) { 2813 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 2814 2815 auto Tokens = annotate("int? a;", Style); 2816 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 2817 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2818 2819 Tokens = annotate("int? a = 1;", Style); 2820 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2821 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2822 2823 Tokens = annotate("int?)", Style); 2824 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2825 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2826 2827 Tokens = annotate("int?>", Style); 2828 ASSERT_EQ(Tokens.size(), 4u) << Tokens; 2829 EXPECT_TOKEN(Tokens[1], tok::question, TT_CSharpNullable); 2830 2831 Tokens = annotate("cond? id : id2", Style); 2832 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2833 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2834 2835 Tokens = annotate("cond ? cond2 ? : id1 : id2", Style); 2836 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2837 EXPECT_TOKEN(Tokens[1], tok::question, TT_ConditionalExpr); 2838 } 2839 2840 TEST_F(TokenAnnotatorTest, UnderstandsLabels) { 2841 auto Tokens = annotate("{ x: break; }"); 2842 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2843 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2844 2845 Tokens = annotate("{ case x: break; }"); 2846 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2847 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2848 2849 Tokens = annotate("{ x: { break; } }"); 2850 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2851 EXPECT_TOKEN(Tokens[2], tok::colon, TT_GotoLabelColon); 2852 2853 Tokens = annotate("{ case x: { break; } }"); 2854 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2855 EXPECT_TOKEN(Tokens[3], tok::colon, TT_CaseLabelColon); 2856 2857 Tokens = annotate("#define FOO label:"); 2858 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 2859 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2860 2861 Tokens = annotate("#define FOO \\\n" 2862 "label: \\\n" 2863 " break;"); 2864 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2865 EXPECT_TOKEN(Tokens[4], tok::colon, TT_GotoLabelColon); 2866 } 2867 2868 TEST_F(TokenAnnotatorTest, UnderstandsNestedBlocks) { 2869 // The closing braces are not annotated. It doesn't seem to cause a problem. 2870 // So we only test for the opening braces. 2871 auto Tokens = annotate("{\n" 2872 " {\n" 2873 " { int a = 0; }\n" 2874 " }\n" 2875 " {}\n" 2876 "}"); 2877 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2878 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 2879 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 2880 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 2881 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 2882 } 2883 2884 TEST_F(TokenAnnotatorTest, UnderstandDesignatedInitializers) { 2885 auto Tokens = annotate("SomeStruct { .a = 1 };"); 2886 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2887 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2888 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2889 2890 Tokens = annotate("SomeStruct { .a = 1, .b = 2 };"); 2891 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2892 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2893 EXPECT_TOKEN(Tokens[2], tok::period, TT_DesignatedInitializerPeriod); 2894 EXPECT_TOKEN(Tokens[7], tok::period, TT_DesignatedInitializerPeriod); 2895 2896 Tokens = annotate("SomeStruct {\n" 2897 "#ifdef FOO\n" 2898 " .a = 1,\n" 2899 "#endif\n" 2900 " .b = 2\n" 2901 "};"); 2902 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 2903 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2904 EXPECT_TOKEN(Tokens[5], tok::period, TT_DesignatedInitializerPeriod); 2905 EXPECT_TOKEN(Tokens[12], tok::period, TT_DesignatedInitializerPeriod); 2906 2907 Tokens = annotate("SomeStruct {\n" 2908 "#if defined FOO\n" 2909 " .a = 1,\n" 2910 "#endif\n" 2911 " .b = 2\n" 2912 "};"); 2913 ASSERT_EQ(Tokens.size(), 20u) << Tokens; 2914 EXPECT_BRACE_KIND(Tokens[1], BK_BracedInit); 2915 EXPECT_TOKEN(Tokens[6], tok::period, TT_DesignatedInitializerPeriod); 2916 EXPECT_TOKEN(Tokens[13], tok::period, TT_DesignatedInitializerPeriod); 2917 2918 Tokens = annotate("Foo foo[] = {[0]{}};"); 2919 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2920 EXPECT_TOKEN(Tokens[6], tok::l_square, TT_DesignatedInitializerLSquare); 2921 EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit); 2922 } 2923 2924 TEST_F(TokenAnnotatorTest, UnderstandsJavaScript) { 2925 auto Annotate = [this](StringRef Code) { 2926 return annotate(Code, getLLVMStyle(FormatStyle::LK_JavaScript)); 2927 }; 2928 2929 // Dictionary. 2930 auto Tokens = Annotate("var x = {'x' : 1, 'y' : 2};"); 2931 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 2932 EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_DictLiteral); 2933 EXPECT_TOKEN(Tokens[4], tok::string_literal, TT_SelectorName); 2934 EXPECT_TOKEN(Tokens[5], tok::colon, TT_DictLiteral); 2935 EXPECT_TOKEN(Tokens[8], tok::string_literal, TT_SelectorName); 2936 EXPECT_TOKEN(Tokens[9], tok::colon, TT_DictLiteral); 2937 // Change when we need to annotate these. 2938 EXPECT_BRACE_KIND(Tokens[3], BK_Unknown); 2939 EXPECT_BRACE_KIND(Tokens[11], BK_Unknown); 2940 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_Unknown); 2941 } 2942 2943 TEST_F(TokenAnnotatorTest, UnderstandsAttributes) { 2944 auto Tokens = annotate("bool foo __attribute__((unused));"); 2945 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2946 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 2947 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2948 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_Unknown); 2949 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_Unknown); 2950 EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_AttributeRParen); 2951 2952 Tokens = annotate("bool foo __declspec(dllimport);"); 2953 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2954 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2955 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2956 2957 Tokens = annotate("bool __attribute__((unused)) foo;"); 2958 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 2959 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2960 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2961 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2962 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2963 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName); 2964 2965 Tokens = annotate("void __attribute__((x)) Foo();"); 2966 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 2967 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_AttributeLParen); 2968 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_Unknown); 2969 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_Unknown); 2970 EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_AttributeRParen); 2971 EXPECT_TOKEN(Tokens[7], tok::identifier, TT_FunctionDeclarationName); 2972 EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_FunctionDeclarationLParen); 2973 2974 FormatStyle Style = getLLVMStyle(); 2975 Style.AttributeMacros.push_back("FOO"); 2976 Tokens = annotate("bool foo FOO(unused);", Style); 2977 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2978 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_AttributeMacro); 2979 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_AttributeLParen); 2980 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_AttributeRParen); 2981 } 2982 2983 TEST_F(TokenAnnotatorTest, UnderstandsControlStatements) { 2984 auto Tokens = annotate("while (true) {}"); 2985 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 2986 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 2987 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 2988 2989 Tokens = annotate("for (;;) {}"); 2990 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 2991 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_ControlStatementLBrace); 2992 EXPECT_TOKEN(Tokens[6], tok::r_brace, TT_ControlStatementRBrace); 2993 2994 Tokens = annotate("do {} while (true);"); 2995 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 2996 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_ControlStatementLBrace); 2997 EXPECT_TOKEN(Tokens[2], tok::r_brace, TT_ControlStatementRBrace); 2998 2999 Tokens = annotate("if (true) {} else if (false) {} else {}"); 3000 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3001 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3002 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3003 EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_ControlStatementLBrace); 3004 EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_ControlStatementRBrace); 3005 EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_ElseLBrace); 3006 EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_ElseRBrace); 3007 3008 Tokens = annotate("switch (foo) {}"); 3009 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3010 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_ControlStatementLBrace); 3011 EXPECT_TOKEN(Tokens[5], tok::r_brace, TT_ControlStatementRBrace); 3012 } 3013 3014 TEST_F(TokenAnnotatorTest, UnderstandsDoWhile) { 3015 auto Tokens = annotate("do { ++i; } while ( i > 5 );"); 3016 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3017 EXPECT_TOKEN(Tokens[6], tok::kw_while, TT_DoWhile); 3018 3019 Tokens = annotate("do ++i; while ( i > 5 );"); 3020 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3021 EXPECT_TOKEN(Tokens[4], tok::kw_while, TT_DoWhile); 3022 } 3023 3024 TEST_F(TokenAnnotatorTest, StartOfName) { 3025 auto Tokens = annotate("#pragma clang diagnostic push"); 3026 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3027 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3028 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3029 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3030 3031 Tokens = annotate("#pragma clang diagnostic ignored \"-Wzero-length-array\""); 3032 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3033 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3034 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3035 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown); 3036 3037 Tokens = annotate("#define FOO Foo foo"); 3038 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3039 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_Unknown); 3040 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_Unknown); 3041 EXPECT_TOKEN(Tokens[4], tok::identifier, TT_StartOfName); 3042 3043 Tokens = annotate("@interface NSCoder (TestCoder)"); 3044 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3045 EXPECT_TOKEN(Tokens[0], tok::at, TT_ObjCDecl); 3046 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_StartOfName); 3047 3048 auto Style = getLLVMStyle(); 3049 Style.StatementAttributeLikeMacros.push_back("emit"); 3050 Tokens = annotate("emit foo = 0;", Style); 3051 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3052 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_StatementAttributeLikeMacro); 3053 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_Unknown); 3054 } 3055 3056 TEST_F(TokenAnnotatorTest, BraceKind) { 3057 auto Tokens = annotate("void f() {};"); 3058 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3059 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3060 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3061 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3062 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3063 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3064 3065 Tokens = annotate("class Foo<int> f() {}"); 3066 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3067 EXPECT_TOKEN(Tokens[5], tok::identifier, TT_FunctionDeclarationName); 3068 EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionDeclarationLParen); 3069 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3070 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3071 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3072 3073 Tokens = annotate("template <typename T> class Foo<T> f() {}"); 3074 ASSERT_EQ(Tokens.size(), 16u) << Tokens; 3075 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_FunctionDeclarationName); 3076 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3077 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3078 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3079 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3080 3081 Tokens = annotate("void f() override {};"); 3082 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3083 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3084 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3085 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_FunctionLBrace); 3086 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3087 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3088 3089 Tokens = annotate("void f() noexcept(false) {};"); 3090 ASSERT_EQ(Tokens.size(), 12u) << Tokens; 3091 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3092 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3093 EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace); 3094 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3095 EXPECT_BRACE_KIND(Tokens[9], BK_Block); 3096 3097 Tokens = annotate("auto f() -> void {};"); 3098 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3099 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3100 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3101 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3102 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3103 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3104 3105 Tokens = annotate("void f() { /**/ };"); 3106 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3107 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3108 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3109 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3110 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3111 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3112 3113 Tokens = annotate("void f() { //\n" 3114 "};"); 3115 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3116 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3117 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3118 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3119 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3120 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3121 3122 Tokens = annotate("void f() {\n" 3123 " //\n" 3124 "};"); 3125 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3126 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_FunctionDeclarationName); 3127 EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_FunctionDeclarationLParen); 3128 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3129 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3130 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3131 3132 Tokens = annotate("struct Foo {\n" 3133 " Foo() {};\n" 3134 " ~Foo() {};\n" 3135 "};"); 3136 ASSERT_EQ(Tokens.size(), 19u) << Tokens; 3137 EXPECT_TOKEN(Tokens[3], tok::identifier, TT_CtorDtorDeclName); 3138 EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionDeclarationLParen); 3139 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_FunctionLBrace); 3140 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3141 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3142 EXPECT_TOKEN(Tokens[10], tok::identifier, TT_CtorDtorDeclName); 3143 EXPECT_TOKEN(Tokens[11], tok::l_paren, TT_FunctionDeclarationLParen); 3144 EXPECT_TOKEN(Tokens[13], tok::l_brace, TT_FunctionLBrace); 3145 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3146 EXPECT_BRACE_KIND(Tokens[14], BK_Block); 3147 3148 Tokens = annotate("{\n" 3149 " char *a[] = {\n" 3150 " /* abc */ \"abc\",\n" 3151 "#if FOO\n" 3152 " /* xyz */ \"xyz\",\n" 3153 "#endif\n" 3154 " /* last */ \"last\"};\n" 3155 "}"); 3156 ASSERT_EQ(Tokens.size(), 25u) << Tokens; 3157 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3158 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3159 EXPECT_BRACE_KIND(Tokens[21], BK_BracedInit); 3160 3161 Tokens = 3162 annotate("#define SCOP_STAT(NAME, DESC) \\\n" 3163 " {\"polly\", #NAME, \"Number of rejected regions: \" DESC}"); 3164 ASSERT_EQ(Tokens.size(), 18u) << Tokens; 3165 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3166 EXPECT_BRACE_KIND(Tokens[16], BK_BracedInit); 3167 3168 Tokens = annotate("struct {};"); 3169 ASSERT_EQ(Tokens.size(), 5u) << Tokens; 3170 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3171 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3172 3173 Tokens = annotate("struct : Base {};"); 3174 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3175 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3176 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3177 3178 Tokens = annotate("struct Foo {};"); 3179 ASSERT_EQ(Tokens.size(), 6u) << Tokens; 3180 EXPECT_BRACE_KIND(Tokens[2], BK_Block); 3181 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3182 3183 Tokens = annotate("struct ::Foo {};"); 3184 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3185 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3186 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3187 3188 Tokens = annotate("struct NS::Foo {};"); 3189 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3190 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3191 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3192 3193 Tokens = annotate("struct Foo<int> {};"); 3194 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3195 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3196 EXPECT_BRACE_KIND(Tokens[6], BK_Block); 3197 3198 Tokens = annotate("struct Foo<int>::Bar {};"); 3199 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3200 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3201 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3202 3203 Tokens = annotate("struct Foo<int> : Base {};"); 3204 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3205 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3206 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3207 3208 Tokens = annotate("struct Foo final {};"); 3209 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3210 EXPECT_BRACE_KIND(Tokens[3], BK_Block); 3211 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3212 3213 Tokens = annotate("struct [[foo]] [[bar]] Foo final : Base1, Base2 {};"); 3214 ASSERT_EQ(Tokens.size(), 21u) << Tokens; 3215 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3216 EXPECT_BRACE_KIND(Tokens[18], BK_Block); 3217 3218 Tokens = annotate("struct Foo x{};"); 3219 ASSERT_EQ(Tokens.size(), 7u) << Tokens; 3220 EXPECT_BRACE_KIND(Tokens[3], BK_BracedInit); 3221 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3222 3223 Tokens = annotate("struct ::Foo x{};"); 3224 ASSERT_EQ(Tokens.size(), 8u) << Tokens; 3225 EXPECT_BRACE_KIND(Tokens[4], BK_BracedInit); 3226 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3227 3228 Tokens = annotate("struct NS::Foo x{};"); 3229 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3230 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3231 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3232 3233 Tokens = annotate("struct Foo<int> x{};"); 3234 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3235 EXPECT_BRACE_KIND(Tokens[6], BK_BracedInit); 3236 EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit); 3237 3238 Tokens = annotate("#ifdef DEBUG_ENABLED\n" 3239 "#else\n" 3240 "#endif\n" 3241 "class RenderingServer : Object {\n" 3242 "#ifndef DISABLE_DEPRECATED\n" 3243 " enum Features {\n" 3244 " FEATURE_SHADERS,\n" 3245 " FEATURE_MULTITHREADED,\n" 3246 " };\n" 3247 "#endif\n" 3248 "};"); 3249 ASSERT_EQ(Tokens.size(), 29u) << Tokens; 3250 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3251 EXPECT_BRACE_KIND(Tokens[17], BK_Block); 3252 EXPECT_BRACE_KIND(Tokens[22], BK_Block); 3253 EXPECT_BRACE_KIND(Tokens[26], BK_Block); 3254 3255 Tokens = annotate("{\n" 3256 "#define M(x) \\\n" 3257 " return {#x};\n" 3258 "}"); 3259 ASSERT_EQ(Tokens.size(), 15u) << Tokens; 3260 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3261 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3262 EXPECT_BRACE_KIND(Tokens[8], BK_BracedInit); 3263 EXPECT_BRACE_KIND(Tokens[11], BK_BracedInit); 3264 EXPECT_BRACE_KIND(Tokens[13], BK_Block); 3265 3266 Tokens = annotate("a = class extends goog.a {};", 3267 getGoogleStyle(FormatStyle::LK_JavaScript)); 3268 ASSERT_EQ(Tokens.size(), 11u) << Tokens; 3269 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_ClassLBrace); 3270 EXPECT_BRACE_KIND(Tokens[7], BK_Block); 3271 EXPECT_TOKEN(Tokens[8], tok::r_brace, TT_ClassRBrace); 3272 EXPECT_BRACE_KIND(Tokens[8], BK_Block); 3273 3274 Tokens = annotate("#define FOO(X) \\\n" 3275 " struct X##_tag_ {};"); 3276 ASSERT_EQ(Tokens.size(), 14u) << Tokens; 3277 EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_StructLBrace); 3278 EXPECT_BRACE_KIND(Tokens[10], BK_Block); 3279 EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace); 3280 EXPECT_BRACE_KIND(Tokens[11], BK_Block); 3281 } 3282 3283 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) { 3284 auto Tokens = annotate("auto foo() -> enum En {}"); 3285 ASSERT_EQ(Tokens.size(), 10u) << Tokens; 3286 EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace); 3287 } 3288 3289 TEST_F(TokenAnnotatorTest, BlockLBrace) { 3290 auto Tokens = annotate("{\n" 3291 " {\n" 3292 " foo();\n" 3293 " }\n" 3294 "}"); 3295 ASSERT_EQ(Tokens.size(), 9u) << Tokens; 3296 EXPECT_TOKEN(Tokens[0], tok::l_brace, TT_BlockLBrace); 3297 EXPECT_BRACE_KIND(Tokens[0], BK_Block); 3298 EXPECT_TOKEN(Tokens[1], tok::l_brace, TT_BlockLBrace); 3299 EXPECT_BRACE_KIND(Tokens[1], BK_Block); 3300 3301 Tokens = annotate("void bar() {\n" 3302 " {\n" 3303 " foo();\n" 3304 " }\n" 3305 "}"); 3306 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3307 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_FunctionLBrace); 3308 EXPECT_BRACE_KIND(Tokens[4], BK_Block); 3309 EXPECT_TOKEN(Tokens[5], tok::l_brace, TT_BlockLBrace); 3310 EXPECT_BRACE_KIND(Tokens[5], BK_Block); 3311 3312 Tokens = annotate("[foo bar:{{0, 1}} baz:baz];", 3313 getLLVMStyle(FormatStyle::LK_ObjC)); 3314 ASSERT_EQ(Tokens.size(), 17u) << Tokens; 3315 EXPECT_TOKEN(Tokens[4], tok::l_brace, TT_Unknown); // Not TT_BlockLBrace. 3316 EXPECT_BRACE_KIND(Tokens[4], BK_Unknown); // Not BK_Block. 3317 EXPECT_BRACE_KIND(Tokens[5], BK_BracedInit); 3318 EXPECT_BRACE_KIND(Tokens[9], BK_Unknown); // Not BK_Block. 3319 EXPECT_BRACE_KIND(Tokens[10], BK_Unknown); // Not BK_Block. 3320 } 3321 3322 TEST_F(TokenAnnotatorTest, SwitchExpression) { 3323 auto Style = getLLVMStyle(FormatStyle::LK_Java); 3324 auto Tokens = annotate("i = switch (day) {\n" 3325 " case THURSDAY, SATURDAY -> 8;\n" 3326 " case WEDNESDAY -> 9;\n" 3327 " default -> 1;\n" 3328 "};", 3329 Style); 3330 ASSERT_EQ(Tokens.size(), 26u) << Tokens; 3331 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_SwitchExpressionLBrace); 3332 EXPECT_TOKEN(Tokens[7], tok::kw_case, TT_SwitchExpressionLabel); 3333 EXPECT_TOKEN(Tokens[11], tok::arrow, TT_CaseLabelArrow); 3334 EXPECT_TOKEN(Tokens[14], tok::kw_case, TT_SwitchExpressionLabel); 3335 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_CaseLabelArrow); 3336 EXPECT_TOKEN(Tokens[19], tok::kw_default, TT_SwitchExpressionLabel); 3337 EXPECT_TOKEN(Tokens[20], tok::arrow, TT_CaseLabelArrow); 3338 } 3339 3340 TEST_F(TokenAnnotatorTest, CppAltOperatorKeywords) { 3341 auto Tokens = annotate("a = b and c;"); 3342 ASSERT_EQ(Tokens.size(), 7u); 3343 EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator); 3344 3345 Tokens = annotate("a = b and_eq c;"); 3346 ASSERT_EQ(Tokens.size(), 7u); 3347 EXPECT_TOKEN(Tokens[3], tok::ampequal, TT_BinaryOperator); 3348 3349 Tokens = annotate("a = b bitand c;"); 3350 ASSERT_EQ(Tokens.size(), 7u); 3351 EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator); 3352 3353 Tokens = annotate("a = b bitor c;"); 3354 ASSERT_EQ(Tokens.size(), 7u); 3355 EXPECT_TOKEN(Tokens[3], tok::pipe, TT_BinaryOperator); 3356 3357 Tokens = annotate("a = b compl c;"); 3358 ASSERT_EQ(Tokens.size(), 7u); 3359 EXPECT_TOKEN(Tokens[3], tok::tilde, TT_UnaryOperator); 3360 3361 Tokens = annotate("a = b not c;"); 3362 ASSERT_EQ(Tokens.size(), 7u); 3363 EXPECT_TOKEN(Tokens[3], tok::exclaim, TT_UnaryOperator); 3364 3365 Tokens = annotate("a = b not_eq c;"); 3366 ASSERT_EQ(Tokens.size(), 7u); 3367 EXPECT_TOKEN(Tokens[3], tok::exclaimequal, TT_BinaryOperator); 3368 3369 Tokens = annotate("a = b or c;"); 3370 ASSERT_EQ(Tokens.size(), 7u); 3371 EXPECT_TOKEN(Tokens[3], tok::pipepipe, TT_BinaryOperator); 3372 3373 Tokens = annotate("a = b or_eq c;"); 3374 ASSERT_EQ(Tokens.size(), 7u); 3375 EXPECT_TOKEN(Tokens[3], tok::pipeequal, TT_BinaryOperator); 3376 3377 Tokens = annotate("a = b xor c;"); 3378 ASSERT_EQ(Tokens.size(), 7u); 3379 EXPECT_TOKEN(Tokens[3], tok::caret, TT_BinaryOperator); 3380 3381 Tokens = annotate("a = b xor_eq c;"); 3382 ASSERT_EQ(Tokens.size(), 7u); 3383 EXPECT_TOKEN(Tokens[3], tok::caretequal, TT_BinaryOperator); 3384 3385 Tokens = annotate("xor = foo;"); 3386 ASSERT_EQ(Tokens.size(), 5u); 3387 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown); 3388 3389 Tokens = annotate("int xor = foo;"); 3390 ASSERT_EQ(Tokens.size(), 6u); 3391 EXPECT_TOKEN(Tokens[1], tok::identifier, TT_StartOfName); 3392 } 3393 3394 TEST_F(TokenAnnotatorTest, FunctionTryBlock) { 3395 auto Tokens = 3396 annotate("Foo::Foo(int x, int y) try\n" 3397 " : foo{[] -> std::string { return {}; }(), x}, bar{y} {\n" 3398 "} catch (...) {\n" 3399 "}"); 3400 ASSERT_EQ(Tokens.size(), 45u); 3401 EXPECT_TOKEN(Tokens[2], tok::identifier, TT_CtorDtorDeclName); 3402 EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_FunctionDeclarationLParen); 3403 EXPECT_TOKEN(Tokens[11], tok::colon, TT_CtorInitializerColon); 3404 EXPECT_TOKEN(Tokens[14], tok::l_square, TT_LambdaLSquare); 3405 EXPECT_TOKEN(Tokens[16], tok::arrow, TT_LambdaArrow); 3406 EXPECT_TOKEN(Tokens[20], tok::l_brace, TT_LambdaLBrace); 3407 EXPECT_TOKEN(Tokens[31], tok::comma, TT_CtorInitializerComma); 3408 EXPECT_TOKEN(Tokens[36], tok::l_brace, TT_FunctionLBrace); 3409 } 3410 3411 TEST_F(TokenAnnotatorTest, TypenameMacro) { 3412 auto Style = getLLVMStyle(); 3413 Style.TypenameMacros.push_back("STRUCT"); 3414 3415 auto Tokens = annotate("STRUCT(T, B) { int i; };", Style); 3416 ASSERT_EQ(Tokens.size(), 13u); 3417 EXPECT_TOKEN(Tokens[0], tok::identifier, TT_TypenameMacro); 3418 EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen); 3419 EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_TypeDeclarationParen); 3420 EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_Unknown); 3421 } 3422 3423 TEST_F(TokenAnnotatorTest, GNULanguageStandard) { 3424 auto Style = getGNUStyle(); 3425 EXPECT_EQ(Style.Standard, FormatStyle::LS_Latest); 3426 3427 auto Tokens = annotate("return 1 <=> 2;", Style); 3428 ASSERT_EQ(Tokens.size(), 6u); 3429 EXPECT_TOKEN(Tokens[2], tok::spaceship, TT_BinaryOperator); 3430 } 3431 3432 TEST_F(TokenAnnotatorTest, SplitPenalty) { 3433 auto Style = getLLVMStyle(); 3434 Style.ColumnLimit = 20; 3435 3436 auto Tokens = annotate("class foo {\n" 3437 " auto bar()\n" 3438 " -> bool;\n" 3439 "};", 3440 Style); 3441 ASSERT_EQ(Tokens.size(), 13u) << Tokens; 3442 EXPECT_TOKEN(Tokens[7], tok::arrow, TT_TrailingReturnArrow); 3443 EXPECT_SPLIT_PENALTY(Tokens[7], 23u); 3444 } 3445 3446 } // namespace 3447 } // namespace format 3448 } // namespace clang 3449