| 1 | //===- unittests/AST/ConceptPrinterTest.cpp --- Concept printer 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 "ASTPrint.h" |
|---|
| 10 | #include "clang/AST/ASTConcept.h" |
|---|
| 11 | #include "clang/AST/ASTContext.h" |
|---|
| 12 | #include "clang/AST/ExprConcepts.h" |
|---|
| 13 | #include "clang/ASTMatchers/ASTMatchFinder.h" |
|---|
| 14 | #include "clang/Tooling/Tooling.h" |
|---|
| 15 | #include "llvm/ADT/SmallString.h" |
|---|
| 16 | #include "gtest/gtest.h" |
|---|
| 17 | |
|---|
| 18 | using namespace clang; |
|---|
| 19 | using namespace ast_matchers; |
|---|
| 20 | using namespace tooling; |
|---|
| 21 | |
|---|
| 22 | namespace { |
|---|
| 23 | |
|---|
| 24 | static void PrintConceptReference(raw_ostream &Out, const ASTContext *Context, |
|---|
| 25 | const ConceptSpecializationExpr *T, |
|---|
| 26 | PrintingPolicyAdjuster PolicyAdjuster) { |
|---|
| 27 | assert(T && T->getConceptReference() && |
|---|
| 28 | "Expected non-null concept reference" ); |
|---|
| 29 | |
|---|
| 30 | PrintingPolicy Policy = Context->getPrintingPolicy(); |
|---|
| 31 | if (PolicyAdjuster) |
|---|
| 32 | PolicyAdjuster(Policy); |
|---|
| 33 | T->getConceptReference()->print(OS&: Out, Policy); |
|---|
| 34 | } |
|---|
| 35 | |
|---|
| 36 | ::testing::AssertionResult |
|---|
| 37 | PrintedConceptMatches(StringRef Code, const std::vector<std::string> &Args, |
|---|
| 38 | const StatementMatcher &NodeMatch, |
|---|
| 39 | StringRef ExpectedPrinted) { |
|---|
| 40 | return PrintedNodeMatches<ConceptSpecializationExpr>( |
|---|
| 41 | Code, Args, NodeMatch, ExpectedPrinted, FileName: "" , Printer: PrintConceptReference); |
|---|
| 42 | } |
|---|
| 43 | const internal::VariadicDynCastAllOfMatcher<Stmt, ConceptSpecializationExpr> |
|---|
| 44 | conceptSpecializationExpr; |
|---|
| 45 | } // unnamed namespace |
|---|
| 46 | |
|---|
| 47 | TEST(ConceptPrinter, ConceptReference) { |
|---|
| 48 | std::string Code = R"cpp( |
|---|
| 49 | template <typename, typename> concept D = true; |
|---|
| 50 | template<typename T, typename U> |
|---|
| 51 | requires D<T, U> |
|---|
| 52 | void g(T); |
|---|
| 53 | )cpp" ; |
|---|
| 54 | auto Matcher = conceptSpecializationExpr().bind(ID: "id" ); |
|---|
| 55 | |
|---|
| 56 | ASSERT_TRUE(PrintedConceptMatches(Code, {"-std=c++20" }, Matcher, "D<T, U>" )); |
|---|
| 57 | } |
|---|
| 58 | |
|---|
