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TokenAnnotatorTest.cpp
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//===- unittest/Format/TokenAnnotatorTest.cpp - Formatting unit tests -----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "clang/Format/Format.h"
#include "FormatTestUtils.h"
#include "TestLexer.h"
#include "gtest/gtest.h"
namespace clang {
namespace format {
// Not really the equality, but everything we need.
static bool operator==(const FormatToken &LHS,
const FormatToken &RHS) noexcept {
return LHS.Tok.getKind() == RHS.Tok.getKind() &&
LHS.getType() == RHS.getType();
}
namespace {
class TokenAnnotatorTest : public testing::Test {
protected:
TokenList annotate(StringRef Code,
const FormatStyle &Style = getLLVMStyle()) {
return TestLexer(Allocator, Buffers, Style).annotate(Code);
}
llvm::SpecificBumpPtrAllocator<FormatToken> Allocator;
std::vector<std::unique_ptr<llvm::MemoryBuffer>> Buffers;
};
#define EXPECT_TOKEN_KIND(FormatTok, Kind) \
EXPECT_EQ((FormatTok)->Tok.getKind(), Kind) << *(FormatTok)
#define EXPECT_TOKEN_TYPE(FormatTok, Type) \
EXPECT_EQ((FormatTok)->getType(), Type) << *(FormatTok)
#define EXPECT_TOKEN_PRECEDENCE(FormatTok, Prec) \
EXPECT_EQ((FormatTok)->getPrecedence(), Prec) << *(FormatTok)
#define EXPECT_BRACE_KIND(FormatTok, Kind) \
EXPECT_EQ(FormatTok->getBlockKind(), Kind) << *(FormatTok)
#define EXPECT_SPLIT_PENALTY(FormatTok, Penalty) \
EXPECT_EQ(FormatTok->SplitPenalty, Penalty) << *(FormatTok)
#define EXPECT_TOKEN(FormatTok, Kind, Type) \
do { \
EXPECT_TOKEN_KIND(FormatTok, Kind); \
EXPECT_TOKEN_TYPE(FormatTok, Type); \
} while (false)
TEST_F(TokenAnnotatorTest, UnderstandsUsesOfStarAndAmp) {
auto Tokens = annotate("auto x = [](const decltype(x) &ptr) {};");
ASSERT_EQ(Tokens.size(), 18u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown);
EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen);
EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown);
EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen);
EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference);
Tokens = annotate("auto x = [](const decltype(x) *ptr) {};");
ASSERT_EQ(Tokens.size(), 18u) << Tokens;
EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen);
EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference);
Tokens = annotate("#define lambda [](const decltype(x) &ptr) {}");
ASSERT_EQ(Tokens.size(), 17u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::kw_decltype, TT_Unknown);
EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_TypeDeclarationParen);
EXPECT_TOKEN(Tokens[9], tok::identifier, TT_Unknown);
EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen);
EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference);
Tokens = annotate("#define lambda [](const decltype(x) *ptr) {}");
ASSERT_EQ(Tokens.size(), 17u) << Tokens;
EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_TypeDeclarationParen);
EXPECT_TOKEN(Tokens[11], tok::star, TT_PointerOrReference);
Tokens = annotate("void f() {\n"
" while (p < a && *p == 'a')\n"
" p++;\n"
"}");
ASSERT_EQ(Tokens.size(), 21u) << Tokens;
EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[11], tok::star, TT_UnaryOperator);
Tokens = annotate("case *x:");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::star, TT_UnaryOperator);
Tokens = annotate("case &x:");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::amp, TT_UnaryOperator);
Tokens = annotate("bool b = 3 == int{3} && true;");
ASSERT_EQ(Tokens.size(), 13u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator);
Tokens = annotate("struct {\n"
"} *ptr;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference);
Tokens = annotate("union {\n"
"} *ptr;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference);
Tokens = annotate("class {\n"
"} *ptr;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference);
Tokens = annotate("struct {\n"
"} &&ptr = {};");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference);
Tokens = annotate("union {\n"
"} &&ptr = {};");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference);
Tokens = annotate("class {\n"
"} &&ptr = {};");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference);
Tokens = annotate("int i = int{42} * 2;");
ASSERT_EQ(Tokens.size(), 11u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::star, TT_BinaryOperator);
Tokens = annotate("delete[] *ptr;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator);
Tokens = annotate("delete[] **ptr;");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator);
EXPECT_TOKEN(Tokens[4], tok::star, TT_UnaryOperator);
Tokens = annotate("delete[] *(ptr);");
ASSERT_EQ(Tokens.size(), 9u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::star, TT_UnaryOperator);
Tokens = annotate("void f() { void (*fnptr)(char* foo); }");
ASSERT_EQ(Tokens.size(), 18u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen);
// FIXME: The star of a function pointer probably makes more sense as
// TT_PointerOrReference.
EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator);
EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference);
Tokens = annotate("void f() { void (*fnptr)(t* foo); }");
ASSERT_EQ(Tokens.size(), 18u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen);
EXPECT_TOKEN(Tokens[7], tok::star, TT_UnaryOperator);
EXPECT_TOKEN(Tokens[12], tok::star, TT_PointerOrReference);
Tokens = annotate("int f3() { return sizeof(Foo&); }");
ASSERT_EQ(Tokens.size(), 14u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference);
Tokens = annotate("int f4() { return sizeof(Foo&&); }");
ASSERT_EQ(Tokens.size(), 14u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference);
Tokens = annotate("void f5() { int f6(Foo&, Bar&); }");
ASSERT_EQ(Tokens.size(), 17u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference);
EXPECT_TOKEN(Tokens[12], tok::amp, TT_PointerOrReference);
Tokens = annotate("void f7() { int f8(Foo&&, Bar&&); }");
ASSERT_EQ(Tokens.size(), 17u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference);
EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_PointerOrReference);
Tokens = annotate("Type1 &val1 = val2;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::amp, TT_PointerOrReference);
Tokens = annotate("Type1 *val1 = &val2;");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::star, TT_PointerOrReference);
EXPECT_TOKEN(Tokens[4], tok::amp, TT_UnaryOperator);
Tokens = annotate("val1 & val2;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator);
Tokens = annotate("val1 & val2.member;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator);
Tokens = annotate("val1 & val2.*member;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator);
Tokens = annotate("val1.*member & val2;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator);
Tokens = annotate("val1 & val2->*member;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator);
Tokens = annotate("val1->member & val2;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator);
Tokens = annotate("val1 & val2 & val3;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[3], tok::amp, TT_BinaryOperator);
Tokens = annotate("val1 & val2 // comment\n"
" & val3;");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator);
Tokens =
annotate("val1 & val2.member & val3.member() & val4 & val5->member;");
ASSERT_EQ(Tokens.size(), 19u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::amp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[5], tok::amp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[13], tok::amp, TT_BinaryOperator);
Tokens = annotate("class c {\n"
" void func(type &a) { a & member; }\n"
" anotherType &member;\n"
"}");
ASSERT_EQ(Tokens.size(), 22u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::amp, TT_PointerOrReference);
EXPECT_TOKEN(Tokens[12], tok::amp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[17], tok::amp, TT_PointerOrReference);
Tokens = annotate("struct S {\n"
" auto Mem = C & D;\n"
"}");
ASSERT_EQ(Tokens.size(), 12u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::amp, TT_BinaryOperator);
Tokens =
annotate("template <typename T> void swap() noexcept(Bar<T> && Foo<T>);");
ASSERT_EQ(Tokens.size(), 23u) << Tokens;
EXPECT_TOKEN(Tokens[15], tok::ampamp, TT_BinaryOperator);
Tokens = annotate("template <typename T> struct S {\n"
" explicit(Bar<T> && Foo<T>) S(const S &);\n"
"};");
ASSERT_EQ(Tokens.size(), 30u) << Tokens;
EXPECT_TOKEN(Tokens[14], tok::ampamp, TT_BinaryOperator);
Tokens = annotate("template <bool B = C && D> struct S {};");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_BinaryOperator);
Tokens = annotate("template <typename T, bool B = C && D> struct S {};");
ASSERT_EQ(Tokens.size(), 18u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_BinaryOperator);
Tokens = annotate("template <typename T, typename U = T&&> struct S {};");
ASSERT_EQ(Tokens.size(), 17u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::ampamp, TT_PointerOrReference);
Tokens = annotate("template <typename T = int (*)(int)> struct S {};");
ASSERT_EQ(Tokens.size(), 19u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_FunctionTypeLParen);
EXPECT_TOKEN(Tokens[7], tok::star, TT_PointerOrReference);
Tokens = annotate("Foo<A && B> a = {};");
ASSERT_EQ(Tokens.size(), 12u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator);
Tokens = annotate("Foo<A &&> a = {};");
ASSERT_EQ(Tokens.size(), 11u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_PointerOrReference);
Tokens = annotate("template <enable_if_t<foo && !bar>* = nullptr> void f();");
ASSERT_EQ(Tokens.size(), 19u) << Tokens;
EXPECT_TOKEN(Tokens[5], tok::ampamp, TT_BinaryOperator);
Tokens =
annotate("auto foo() noexcept(noexcept(bar()) && "
"trait<std::decay_t<decltype(bar())>> && noexcept(baz())) {}");
ASSERT_EQ(Tokens.size(), 38u) << Tokens;
EXPECT_TOKEN(Tokens[12], tok::ampamp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[27], tok::ampamp, TT_BinaryOperator);
Tokens = annotate("foo = *i < *j && *j > *k;");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[7], tok::ampamp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[10], tok::greater, TT_BinaryOperator);
FormatStyle Style = getLLVMStyle();
Style.TypeNames.push_back("MYI");
Tokens = annotate("if (MYI *p{nullptr})", Style);
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName);
EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference);
Style.TypeNames.push_back("Class");
Tokens = annotate("if (Class *obj {getObj()})", Style);
ASSERT_EQ(Tokens.size(), 12u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::identifier, TT_TypeName);
EXPECT_TOKEN(Tokens[3], tok::star, TT_PointerOrReference);
Tokens = annotate("class Foo {\n"
" void operator<() {}\n"
" Foo &f;\n"
"};");
ASSERT_EQ(Tokens.size(), 17u) << Tokens;
EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName);
EXPECT_TOKEN(Tokens[5], tok::less, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen);
EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_FunctionLBrace);
EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference);
Tokens = annotate("if (new && num) {\n"
" new = 1;\n"
"}\n"
"if (!delete && num) {\n"
" delete = 1;\n"
"}");
ASSERT_EQ(Tokens.size(), 26u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[16], tok::ampamp, TT_BinaryOperator);
}
TEST_F(TokenAnnotatorTest, UnderstandsUsesOfPlusAndMinus) {
auto Tokens = annotate("x - 0");
ASSERT_EQ(Tokens.size(), 4u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_BinaryOperator);
Tokens = annotate("0 + 0");
ASSERT_EQ(Tokens.size(), 4u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::plus, TT_BinaryOperator);
Tokens = annotate("x + +0");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::plus, TT_UnaryOperator);
Tokens = annotate("x ? -0 : +0");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator);
EXPECT_TOKEN(Tokens[5], tok::plus, TT_UnaryOperator);
Tokens = annotate("(-0)");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("0, -0");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator);
Tokens = annotate("for (; -1;) {\n}");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator);
Tokens = annotate("x = -1;");
ASSERT_EQ(Tokens.size(), 6u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator);
Tokens = annotate("x[-1]");
ASSERT_EQ(Tokens.size(), 6u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::minus, TT_UnaryOperator);
Tokens = annotate("x = {-1};");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator);
Tokens = annotate("case -x:");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("co_await -x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("co_return -x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("co_yield -x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("delete -x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("return -x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("throw -x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("sizeof -x");
ASSERT_EQ(Tokens.size(), 4u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("co_await +x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator);
Tokens = annotate("co_return +x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator);
Tokens = annotate("co_yield +x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator);
Tokens = annotate("delete +x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator);
Tokens = annotate("return +x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator);
Tokens = annotate("throw +x;");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator);
Tokens = annotate("sizeof +x");
ASSERT_EQ(Tokens.size(), 4u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator);
Tokens = annotate("(int)-x");
ASSERT_EQ(Tokens.size(), 6u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::minus, TT_UnaryOperator);
Tokens = annotate("(-x)");
ASSERT_EQ(Tokens.size(), 5u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::minus, TT_UnaryOperator);
Tokens = annotate("!+x");
ASSERT_EQ(Tokens.size(), 4u) << Tokens;
EXPECT_TOKEN(Tokens[0], tok::exclaim, TT_UnaryOperator);
EXPECT_TOKEN(Tokens[1], tok::plus, TT_UnaryOperator);
}
TEST_F(TokenAnnotatorTest, UnderstandsClasses) {
auto Tokens = annotate("class C {};");
ASSERT_EQ(Tokens.size(), 6u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace);
EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace);
Tokens = annotate("const class C {} c;");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_ClassLBrace);
EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_ClassRBrace);
Tokens = annotate("const class {} c;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_ClassLBrace);
EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_ClassRBrace);
Tokens = annotate("class [[deprecated(\"\")]] C { int i; };");
ASSERT_EQ(Tokens.size(), 17u) << Tokens;
EXPECT_TOKEN(Tokens[10], tok::l_brace, TT_ClassLBrace);
EXPECT_TOKEN(Tokens[14], tok::r_brace, TT_ClassRBrace);
}
TEST_F(TokenAnnotatorTest, UnderstandsStructs) {
auto Tokens = annotate("struct S {};");
ASSERT_EQ(Tokens.size(), 6u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_StructLBrace);
EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_StructRBrace);
Tokens = annotate("struct macro(a) S {};");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace);
EXPECT_TOKEN(Tokens[7], tok::r_brace, TT_StructRBrace);
Tokens = annotate("struct EXPORT_MACRO [[nodiscard]] C { int i; };");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[8], tok::l_brace, TT_StructLBrace);
EXPECT_TOKEN(Tokens[12], tok::r_brace, TT_StructRBrace);
Tokens = annotate("struct [[deprecated]] [[nodiscard]] C { int i; };");
ASSERT_EQ(Tokens.size(), 19u) << Tokens;
EXPECT_TOKEN(Tokens[12], tok::l_brace, TT_StructLBrace);
EXPECT_TOKEN(Tokens[16], tok::r_brace, TT_StructRBrace);
Tokens = annotate("struct macro(a) S {\n"
" void f(T &t);\n"
"};");
ASSERT_EQ(Tokens.size(), 18u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::l_brace, TT_StructLBrace);
EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference);
EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace);
Tokens = annotate("template <typename T> struct S<const T[N]> {};");
ASSERT_EQ(Tokens.size(), 18u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare);
EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser);
EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace);
EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace);
Tokens = annotate("template <typename T> struct S<T const[N]> {};");
ASSERT_EQ(Tokens.size(), 18u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[10], tok::l_square, TT_ArraySubscriptLSquare);
EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser);
EXPECT_TOKEN(Tokens[14], tok::l_brace, TT_StructLBrace);
EXPECT_TOKEN(Tokens[15], tok::r_brace, TT_StructRBrace);
Tokens = annotate("template <typename T, unsigned n> struct S<T const[n]> {\n"
" void f(T const (&a)[n]);\n"
"};");
ASSERT_EQ(Tokens.size(), 35u) << Tokens;
EXPECT_TOKEN(Tokens[10], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[13], tok::l_square, TT_ArraySubscriptLSquare);
EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser);
EXPECT_TOKEN(Tokens[17], tok::l_brace, TT_StructLBrace);
EXPECT_TOKEN(Tokens[23], tok::l_paren, TT_FunctionTypeLParen);
EXPECT_TOKEN(Tokens[24], tok::amp, TT_UnaryOperator);
EXPECT_TOKEN(Tokens[27], tok::l_square, TT_ArraySubscriptLSquare);
EXPECT_TOKEN(Tokens[32], tok::r_brace, TT_StructRBrace);
Tokens = annotate("template <typename T, enum E e> struct S {};");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[11], tok::l_brace, TT_StructLBrace);
auto Style = getLLVMStyle();
Style.AttributeMacros.push_back("EXPORT");
Tokens = annotate("struct EXPORT StructName {};", Style);
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::identifier, TT_AttributeMacro);
EXPECT_TOKEN(Tokens[3], tok::l_brace, TT_StructLBrace);
EXPECT_TOKEN(Tokens[4], tok::r_brace, TT_StructRBrace);
}
TEST_F(TokenAnnotatorTest, UnderstandsUnions) {
auto Tokens = annotate("union U {};");
ASSERT_EQ(Tokens.size(), 6u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace);
EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_UnionRBrace);
Tokens = annotate("union U { void f() { return; } };");
ASSERT_EQ(Tokens.size(), 14u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_UnionLBrace);
EXPECT_TOKEN(Tokens[7], tok::l_brace, TT_FunctionLBrace);
EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_UnionRBrace);
}
TEST_F(TokenAnnotatorTest, UnderstandsEnums) {
auto Tokens = annotate("enum E {};");
ASSERT_EQ(Tokens.size(), 6u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace);
EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace);
}
TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) {
auto Tokens = annotate("auto operator<=>(const T &) const & = default;");
ASSERT_EQ(Tokens.size(), 14u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference);
Tokens = annotate("template <typename T> void F(T) && = delete;");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[10], tok::ampamp, TT_PointerOrReference);
}
TEST_F(TokenAnnotatorTest, UnderstandsVariables) {
auto Tokens =
annotate("inline bool var = is_integral_v<int> && is_signed_v<int>;");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[8], tok::ampamp, TT_BinaryOperator);
}
TEST_F(TokenAnnotatorTest, UnderstandsVariableTemplates) {
auto Tokens =
annotate("template <typename T> "
"inline bool var = is_integral_v<int> && is_signed_v<int>;");
ASSERT_EQ(Tokens.size(), 20u) << Tokens;
EXPECT_TOKEN(Tokens[13], tok::ampamp, TT_BinaryOperator);
}
TEST_F(TokenAnnotatorTest, UnderstandsTemplatesInMacros) {
auto Tokens =
annotate("#define FOO(typeName) \\\n"
" { #typeName, foo<FooType>(new foo<realClass>(#typeName)) }");
ASSERT_EQ(Tokens.size(), 27u) << Tokens;
EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[13], tok::greater, TT_TemplateCloser);
EXPECT_TOKEN(Tokens[17], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[19], tok::greater, TT_TemplateCloser);
}
TEST_F(TokenAnnotatorTest, UnderstandsGreaterAfterTemplateCloser) {
auto Tokens = annotate("if (std::tuple_size_v<T> > 0)");
ASSERT_EQ(Tokens.size(), 12u) << Tokens;
EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser);
EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator);
}
TEST_F(TokenAnnotatorTest, UnderstandsTernaryInTemplate) {
// IsExpression = false
auto Tokens = annotate("foo<true ? 1 : 2>();");
ASSERT_EQ(Tokens.size(), 12u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[3], tok::question, TT_ConditionalExpr);
EXPECT_TOKEN(Tokens[5], tok::colon, TT_ConditionalExpr);
EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser);
// IsExpression = true
Tokens = annotate("return foo<true ? 1 : 2>();");
ASSERT_EQ(Tokens.size(), 13u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr);
EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr);
EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser);
Tokens = annotate("return foo<true ? 1 : 2>{};");
ASSERT_EQ(Tokens.size(), 13u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[4], tok::question, TT_ConditionalExpr);
EXPECT_TOKEN(Tokens[6], tok::colon, TT_ConditionalExpr);
EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser);
}
TEST_F(TokenAnnotatorTest, UnderstandsNonTemplateAngleBrackets) {
auto Tokens = annotate("return a < b && c > d;");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator);
Tokens = annotate("a < 0 ? b : a > 0 ? c : d;");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::less, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[7], tok::greater, TT_BinaryOperator);
Tokens = annotate("return A < B ? true : A > B;");
ASSERT_EQ(Tokens.size(), 12u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator);
Tokens = annotate("return A < B ? true : A > B ? false : false;");
ASSERT_EQ(Tokens.size(), 16u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator);
Tokens = annotate("return checklower ? a < b : a > b;");
ASSERT_EQ(Tokens.size(), 12u) << Tokens;
EXPECT_TOKEN(Tokens[4], tok::less, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[8], tok::greater, TT_BinaryOperator);
Tokens = annotate("return A < B ^ A > B;");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::less, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[6], tok::greater, TT_BinaryOperator);
Tokens = annotate("ratio{-1, 2} < ratio{-1, 3} == -1 / 3 > -1 / 2;");
ASSERT_EQ(Tokens.size(), 27u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::less, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[20], tok::greater, TT_BinaryOperator);
}
TEST_F(TokenAnnotatorTest, UnderstandsTemplateTemplateParameters) {
auto Tokens = annotate("template <template <typename...> typename X,\n"
" template <typename...> class Y,\n"
" typename... T>\n"
"class A {};");
ASSERT_EQ(Tokens.size(), 28u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser);
EXPECT_FALSE(Tokens[6]->ClosesTemplateDeclaration);
EXPECT_TOKEN(Tokens[11], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[14], tok::greater, TT_TemplateCloser);
EXPECT_FALSE(Tokens[14]->ClosesTemplateDeclaration);
EXPECT_TOKEN(Tokens[21], tok::greater, TT_TemplateCloser);
EXPECT_TRUE(Tokens[21]->ClosesTemplateDeclaration);
}
TEST_F(TokenAnnotatorTest, UnderstandsWhitespaceSensitiveMacros) {
FormatStyle Style = getLLVMStyle();
Style.WhitespaceSensitiveMacros.push_back("FOO");
auto Tokens = annotate("FOO(1+2 )", Style);
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc);
Tokens = annotate("FOO(a:b:c)", Style);
ASSERT_EQ(Tokens.size(), 9u) << Tokens;
EXPECT_TOKEN(Tokens[0], tok::identifier, TT_UntouchableMacroFunc);
}
TEST_F(TokenAnnotatorTest, UnderstandsDelete) {
auto Tokens = annotate("delete (void *)p;");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen);
Tokens = annotate("delete[] (void *)p;");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen);
Tokens = annotate("delete[] /*comment*/ (void *)p;");
ASSERT_EQ(Tokens.size(), 11u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen);
Tokens = annotate("delete[/*comment*/] (void *)p;");
ASSERT_EQ(Tokens.size(), 11u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen);
Tokens = annotate("delete/*comment*/[] (void *)p;");
ASSERT_EQ(Tokens.size(), 11u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen);
}
TEST_F(TokenAnnotatorTest, UnderstandsCasts) {
auto Tokens = annotate("(void)p;");
ASSERT_EQ(Tokens.size(), 6u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen);
Tokens = annotate("(uint32_t)&&label;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::r_paren, TT_CastRParen);
EXPECT_TOKEN(Tokens[3], tok::ampamp, TT_UnaryOperator);
EXPECT_TOKEN(Tokens[4], tok::identifier, TT_Unknown);
Tokens = annotate("auto x = (Foo)p;");
ASSERT_EQ(Tokens.size(), 9u) << Tokens;
EXPECT_TOKEN(Tokens[5], tok::r_paren, TT_CastRParen);
Tokens = annotate("(std::vector<int>)p;");
ASSERT_EQ(Tokens.size(), 11u) << Tokens;
EXPECT_TOKEN(Tokens[7], tok::r_paren, TT_CastRParen);
Tokens = annotate("return (Foo)p;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen);
Tokens = annotate("throw (Foo)p;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_CastRParen);
Tokens = annotate("#define FOO(x) (((uint64_t)(x) * BAR) / 100)");
ASSERT_EQ(Tokens.size(), 21u) << Tokens;
EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen);
EXPECT_TOKEN(Tokens[13], tok::r_paren, TT_Unknown);
EXPECT_TOKEN(Tokens[14], tok::star, TT_BinaryOperator);
Tokens = annotate("#define foo(i) ((i) - bar)");
ASSERT_EQ(Tokens.size(), 14u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_Unknown);
EXPECT_TOKEN(Tokens[10], tok::minus, TT_BinaryOperator);
Tokens = annotate("return (Foo) & 10;");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_Unknown);
EXPECT_TOKEN(Tokens[4], tok::amp, TT_BinaryOperator);
Tokens = annotate("return (struct foo){};");
ASSERT_EQ(Tokens.size(), 9u) << Tokens;
EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_CastRParen);
Tokens = annotate("#define FOO(bar) foo((uint64_t)&bar)");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen);
EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator);
Tokens = annotate("#define FOO(bar) foo((Foo) & bar)");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_Unknown);
EXPECT_TOKEN(Tokens[11], tok::amp, TT_BinaryOperator);
Tokens = annotate("func((void (*)())&a);");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_FunctionTypeLParen);
EXPECT_TOKEN(Tokens[5], tok::star, TT_PointerOrReference);
EXPECT_TOKEN(Tokens[9], tok::r_paren, TT_CastRParen);
EXPECT_TOKEN(Tokens[10], tok::amp, TT_UnaryOperator);
Tokens = annotate("int result = ((int)a) - b;");
ASSERT_EQ(Tokens.size(), 13u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_CastRParen);
EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_Unknown);
EXPECT_TOKEN(Tokens[9], tok::minus, TT_BinaryOperator);
auto Style = getLLVMStyle();
Style.TypeNames.push_back("Foo");
Tokens = annotate("#define FOO(bar) foo((Foo)&bar)", Style);
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::identifier, TT_TypeName);
EXPECT_TOKEN(Tokens[10], tok::r_paren, TT_CastRParen);
EXPECT_TOKEN(Tokens[11], tok::amp, TT_UnaryOperator);
}
TEST_F(TokenAnnotatorTest, UnderstandsDynamicExceptionSpecifier) {
auto Tokens = annotate("void f() throw(int);");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[4], tok::kw_throw, TT_Unknown);
}
TEST_F(TokenAnnotatorTest, UnderstandsFunctionRefQualifiers) {
auto Tokens = annotate("void f() &;");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[4], tok::amp, TT_PointerOrReference);
Tokens = annotate("void operator=(T) &&;");
ASSERT_EQ(Tokens.size(), 9u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::ampamp, TT_PointerOrReference);
Tokens = annotate("template <typename T> void f() &;");
ASSERT_EQ(Tokens.size(), 12u) << Tokens;
EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference);
Tokens = annotate("template <typename T> void operator=(T) &;");
ASSERT_EQ(Tokens.size(), 14u) << Tokens;
EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference);
}
TEST_F(TokenAnnotatorTest, UnderstandsOverloadedOperators) {
auto Tokens = annotate("x.operator+()");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::plus, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator=()");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::equal, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator+=()");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::plusequal, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator,()");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::comma, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator()()");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[4], tok::r_paren, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator[]()");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
// EXPECT_TOKEN(Tokens[3], tok::l_square, TT_OverloadedOperator);
// EXPECT_TOKEN(Tokens[4], tok::r_square, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator\"\"_a()");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator\"\" _a()");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator\"\"if()");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator\"\"s()");
ASSERT_EQ(Tokens.size(), 7u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("x.operator\"\" s()");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[2], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[3], tok::string_literal, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("int operator+(int);");
ASSERT_EQ(Tokens.size(), 8u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName);
EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("auto operator=(T&) {}");
ASSERT_EQ(Tokens.size(), 10u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName);
EXPECT_TOKEN(Tokens[2], tok::equal, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("auto operator()() {}");
ASSERT_EQ(Tokens.size(), 9u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_FunctionDeclarationName);
EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[4], tok::l_paren, TT_OverloadedOperatorLParen);
Tokens = annotate("class Foo {\n"
" int operator+(a* b);\n"
"}");
ASSERT_EQ(Tokens.size(), 14u) << Tokens;
EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName);
EXPECT_TOKEN(Tokens[5], tok::plus, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_OverloadedOperatorLParen);
EXPECT_TOKEN(Tokens[8], tok::star, TT_PointerOrReference);
Tokens = annotate("class Foo {\n"
" int c = operator+(a * b);\n"
"}");
ASSERT_EQ(Tokens.size(), 16u) << Tokens;
EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[7], tok::plus, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[8], tok::l_paren, TT_OverloadedOperatorLParen);
EXPECT_TOKEN(Tokens[10], tok::star, TT_BinaryOperator);
Tokens = annotate("void foo() {\n"
" operator+(a * b);\n"
"}");
ASSERT_EQ(Tokens.size(), 15u) << Tokens;
EXPECT_TOKEN(Tokens[5], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[6], tok::plus, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen);
EXPECT_TOKEN(Tokens[9], tok::star, TT_BinaryOperator);
Tokens = annotate("return operator+(a * b, c & d) + operator+(a && b && c);");
ASSERT_EQ(Tokens.size(), 24u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[2], tok::plus, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[3], tok::l_paren, TT_OverloadedOperatorLParen);
EXPECT_TOKEN(Tokens[5], tok::star, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[9], tok::amp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[13], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[14], tok::plus, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[15], tok::l_paren, TT_OverloadedOperatorLParen);
EXPECT_TOKEN(Tokens[17], tok::ampamp, TT_BinaryOperator);
EXPECT_TOKEN(Tokens[19], tok::ampamp, TT_BinaryOperator);
Tokens = annotate("class Foo {\n"
" void foo() {\n"
" operator+(a * b);\n"
" }\n"
"}");
ASSERT_EQ(Tokens.size(), 19u) << Tokens;
EXPECT_TOKEN(Tokens[8], tok::kw_operator, TT_Unknown);
EXPECT_TOKEN(Tokens[9], tok::plus, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[10], tok::l_paren, TT_OverloadedOperatorLParen);
EXPECT_TOKEN(Tokens[12], tok::star, TT_BinaryOperator);
Tokens = annotate("std::vector<Foo> operator()(Foo &foo);");
ASSERT_EQ(Tokens.size(), 16u) << Tokens;
EXPECT_TOKEN(Tokens[3], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser);
EXPECT_TOKEN(Tokens[6], tok::kw_operator, TT_FunctionDeclarationName);
EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[8], tok::r_paren, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[9], tok::l_paren, TT_OverloadedOperatorLParen);
EXPECT_TOKEN(Tokens[11], tok::amp, TT_PointerOrReference);
Tokens = annotate("decltype(auto) operator()(T &x);");
ASSERT_EQ(Tokens.size(), 14u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::l_paren, TT_TypeDeclarationParen);
EXPECT_TOKEN(Tokens[3], tok::r_paren, TT_TypeDeclarationParen);
EXPECT_TOKEN(Tokens[4], tok::kw_operator, TT_FunctionDeclarationName);
EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[6], tok::r_paren, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[7], tok::l_paren, TT_OverloadedOperatorLParen);
EXPECT_TOKEN(Tokens[9], tok::amp, TT_PointerOrReference);
}
TEST_F(TokenAnnotatorTest, OverloadedOperatorInTemplate) {
struct {
const char *Text;
tok::TokenKind Kind;
} Operators[] = {{"+", tok::plus},
{"-", tok::minus},
// FIXME:
// {"*", tok::star},
{"/", tok::slash},
{"%", tok::percent},
{"^", tok::caret},
// FIXME:
// {"&", tok::amp},
{"|", tok::pipe},
{"~", tok::tilde},
{"!", tok::exclaim},
{"=", tok::equal},
// FIXME:
// {"<", tok::less},
{">", tok::greater},
{"+=", tok::plusequal},
{"-=", tok::minusequal},
{"*=", tok::starequal},
{"/=", tok::slashequal},
{"%=", tok::percentequal},
{"^=", tok::caretequal},
{"&=", tok::ampequal},
{"|=", tok::pipeequal},
{"<<", tok::lessless},
{">>", tok::greatergreater},
{">>=", tok::greatergreaterequal},
{"<<=", tok::lesslessequal},
{"==", tok::equalequal},
{"!=", tok::exclaimequal},
{"<=", tok::lessequal},
{">=", tok::greaterequal},
{"<=>", tok::spaceship},
{"&&", tok::ampamp},
{"||", tok::pipepipe},
{"++", tok::plusplus},
{"--", tok::minusminus},
{",", tok::comma},
{"->*", tok::arrowstar},
{"->", tok::arrow}};
for (const auto &Operator : Operators) {
std::string Input("C<&operator");
Input += Operator.Text;
Input += " > a;";
auto Tokens = annotate(std::string(Input));
ASSERT_EQ(Tokens.size(), 9u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[4], Operator.Kind, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[5], tok::greater, TT_TemplateCloser);
}
auto Tokens = annotate("C<&operator< <X>> lt;");
ASSERT_EQ(Tokens.size(), 12u) << Tokens;
EXPECT_TOKEN(Tokens[1], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[4], tok::less, TT_OverloadedOperator);
EXPECT_TOKEN(Tokens[5], tok::less, TT_TemplateOpener);
EXPECT_TOKEN(Tokens[7], tok::greater, TT_TemplateCloser);
EXPECT_TOKEN(Tokens[8], tok::greater, TT_TemplateCloser);