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llvm-project/clang-tools-extra/unittests/clang-doc/BitcodeTest.cpp
Chandler Carruth 2946cd7010 Update the file headers across all of the LLVM projects in the monorepo 
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00

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//===-- clang-doc/BitcodeTest.cpp -----------------------------------------===//
//
// 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 "BitcodeReader.h"
#include "BitcodeWriter.h"
#include "ClangDocTest.h"
#include "Representation.h"
#include "llvm/Bitcode/BitstreamReader.h"
#include "llvm/Bitcode/BitstreamWriter.h"
#include "gtest/gtest.h"
namespace clang {
namespace doc {
template <typename T> static std::string writeInfo(T &I) {
SmallString<2048> Buffer;
llvm::BitstreamWriter Stream(Buffer);
ClangDocBitcodeWriter Writer(Stream);
Writer.emitBlock(I);
return Buffer.str().str();
}
std::string writeInfo(Info *I) {
switch (I->IT) {
case InfoType::IT_namespace:
return writeInfo(*static_cast<NamespaceInfo *>(I));
case InfoType::IT_record:
return writeInfo(*static_cast<RecordInfo *>(I));
case InfoType::IT_enum:
return writeInfo(*static_cast<EnumInfo *>(I));
case InfoType::IT_function:
return writeInfo(*static_cast<FunctionInfo *>(I));
default:
return "";
}
}
std::vector<std::unique_ptr<Info>> readInfo(StringRef Bitcode,
size_t NumInfos) {
llvm::BitstreamCursor Stream(Bitcode);
doc::ClangDocBitcodeReader Reader(Stream);
auto Infos = Reader.readBitcode();
// Check that there was no error in the read.
assert(Infos);
EXPECT_EQ(Infos.get().size(), NumInfos);
return std::move(Infos.get());
}
TEST(BitcodeTest, emitNamespaceInfoBitcode) {
NamespaceInfo I;
I.Name = "r";
I.Namespace.emplace_back(EmptySID, "A", InfoType::IT_namespace);
I.ChildNamespaces.emplace_back(EmptySID, "ChildNamespace",
InfoType::IT_namespace);
I.ChildRecords.emplace_back(EmptySID, "ChildStruct", InfoType::IT_record);
I.ChildFunctions.emplace_back();
I.ChildEnums.emplace_back();
std::string WriteResult = writeInfo(&I);
EXPECT_TRUE(WriteResult.size() > 0);
std::vector<std::unique_ptr<Info>> ReadResults = readInfo(WriteResult, 1);
CheckNamespaceInfo(&I, InfoAsNamespace(ReadResults[0].get()));
}
TEST(BitcodeTest, emitRecordInfoBitcode) {
RecordInfo I;
I.Name = "r";
I.Namespace.emplace_back(EmptySID, "A", InfoType::IT_namespace);
I.DefLoc = Location(10, llvm::SmallString<16>{"test.cpp"});
I.Loc.emplace_back(12, llvm::SmallString<16>{"test.cpp"});
I.Members.emplace_back("int", "X", AccessSpecifier::AS_private);
I.TagType = TagTypeKind::TTK_Class;
I.Parents.emplace_back(EmptySID, "F", InfoType::IT_record);
I.VirtualParents.emplace_back(EmptySID, "G", InfoType::IT_record);
I.ChildRecords.emplace_back(EmptySID, "ChildStruct", InfoType::IT_record);
I.ChildFunctions.emplace_back();
I.ChildEnums.emplace_back();
std::string WriteResult = writeInfo(&I);
EXPECT_TRUE(WriteResult.size() > 0);
std::vector<std::unique_ptr<Info>> ReadResults = readInfo(WriteResult, 1);
CheckRecordInfo(&I, InfoAsRecord(ReadResults[0].get()));
}
TEST(BitcodeTest, emitFunctionInfoBitcode) {
FunctionInfo I;
I.Name = "f";
I.Namespace.emplace_back(EmptySID, "A", InfoType::IT_namespace);
I.DefLoc = Location(10, llvm::SmallString<16>{"test.cpp"});
I.Loc.emplace_back(12, llvm::SmallString<16>{"test.cpp"});
I.ReturnType = TypeInfo(EmptySID, "void", InfoType::IT_default);
I.Params.emplace_back("int", "P");
std::string WriteResult = writeInfo(&I);
EXPECT_TRUE(WriteResult.size() > 0);
std::vector<std::unique_ptr<Info>> ReadResults = readInfo(WriteResult, 1);
CheckFunctionInfo(&I, InfoAsFunction(ReadResults[0].get()));
}
TEST(BitcodeTest, emitMethodInfoBitcode) {
FunctionInfo I;
I.Name = "f";
I.Namespace.emplace_back(EmptySID, "A", InfoType::IT_namespace);
I.DefLoc = Location(10, llvm::SmallString<16>{"test.cpp"});
I.Loc.emplace_back(12, llvm::SmallString<16>{"test.cpp"});
I.ReturnType = TypeInfo(EmptySID, "void", InfoType::IT_default);
I.Params.emplace_back("int", "P");
I.IsMethod = true;
I.Parent = Reference(EmptySID, "Parent", InfoType::IT_record);
// TODO: fix access
// I.Access = AccessSpecifier::AS_private;
std::string WriteResult = writeInfo(&I);
EXPECT_TRUE(WriteResult.size() > 0);
std::vector<std::unique_ptr<Info>> ReadResults = readInfo(WriteResult, 1);
CheckFunctionInfo(&I, InfoAsFunction(ReadResults[0].get()));
}
TEST(BitcodeTest, emitEnumInfoBitcode) {
EnumInfo I;
I.Name = "e";
I.Namespace.emplace_back(EmptySID, "A", InfoType::IT_namespace);
I.DefLoc = Location(10, llvm::SmallString<16>{"test.cpp"});
I.Loc.emplace_back(12, llvm::SmallString<16>{"test.cpp"});
I.Members.emplace_back("X");
I.Scoped = true;
std::string WriteResult = writeInfo(&I);
EXPECT_TRUE(WriteResult.size() > 0);
std::vector<std::unique_ptr<Info>> ReadResults = readInfo(WriteResult, 1);
CheckEnumInfo(&I, InfoAsEnum(ReadResults[0].get()));
}
TEST(SerializeTest, emitInfoWithCommentBitcode) {
FunctionInfo F;
F.Name = "F";
F.ReturnType = TypeInfo(EmptySID, "void", InfoType::IT_default);
F.DefLoc = Location(0, llvm::SmallString<16>{"test.cpp"});
F.Params.emplace_back("int", "I");
CommentInfo Top;
Top.Kind = "FullComment";
Top.Children.emplace_back(llvm::make_unique<CommentInfo>());
CommentInfo *BlankLine = Top.Children.back().get();
BlankLine->Kind = "ParagraphComment";
BlankLine->Children.emplace_back(llvm::make_unique<CommentInfo>());
BlankLine->Children.back()->Kind = "TextComment";
Top.Children.emplace_back(llvm::make_unique<CommentInfo>());
CommentInfo *Brief = Top.Children.back().get();
Brief->Kind = "ParagraphComment";
Brief->Children.emplace_back(llvm::make_unique<CommentInfo>());
Brief->Children.back()->Kind = "TextComment";
Brief->Children.back()->Name = "ParagraphComment";
Brief->Children.back()->Text = " Brief description.";
Top.Children.emplace_back(llvm::make_unique<CommentInfo>());
CommentInfo *Extended = Top.Children.back().get();
Extended->Kind = "ParagraphComment";
Extended->Children.emplace_back(llvm::make_unique<CommentInfo>());
Extended->Children.back()->Kind = "TextComment";
Extended->Children.back()->Text = " Extended description that";
Extended->Children.emplace_back(llvm::make_unique<CommentInfo>());
Extended->Children.back()->Kind = "TextComment";
Extended->Children.back()->Text = " continues onto the next line.";
Top.Children.emplace_back(llvm::make_unique<CommentInfo>());
CommentInfo *HTML = Top.Children.back().get();
HTML->Kind = "ParagraphComment";
HTML->Children.emplace_back(llvm::make_unique<CommentInfo>());
HTML->Children.back()->Kind = "TextComment";
HTML->Children.emplace_back(llvm::make_unique<CommentInfo>());
HTML->Children.back()->Kind = "HTMLStartTagComment";
HTML->Children.back()->Name = "ul";
HTML->Children.back()->AttrKeys.emplace_back("class");
HTML->Children.back()->AttrValues.emplace_back("test");
HTML->Children.emplace_back(llvm::make_unique<CommentInfo>());
HTML->Children.back()->Kind = "HTMLStartTagComment";
HTML->Children.back()->Name = "li";
HTML->Children.emplace_back(llvm::make_unique<CommentInfo>());
HTML->Children.back()->Kind = "TextComment";
HTML->Children.back()->Text = " Testing.";
HTML->Children.emplace_back(llvm::make_unique<CommentInfo>());
HTML->Children.back()->Kind = "HTMLEndTagComment";
HTML->Children.back()->Name = "ul";
HTML->Children.back()->SelfClosing = true;
Top.Children.emplace_back(llvm::make_unique<CommentInfo>());
CommentInfo *Verbatim = Top.Children.back().get();
Verbatim->Kind = "VerbatimBlockComment";
Verbatim->Name = "verbatim";
Verbatim->CloseName = "endverbatim";
Verbatim->Children.emplace_back(llvm::make_unique<CommentInfo>());
Verbatim->Children.back()->Kind = "VerbatimBlockLineComment";
Verbatim->Children.back()->Text = " The description continues.";
Top.Children.emplace_back(llvm::make_unique<CommentInfo>());
CommentInfo *ParamOut = Top.Children.back().get();
ParamOut->Kind = "ParamCommandComment";
ParamOut->Direction = "[out]";
ParamOut->ParamName = "I";
ParamOut->Explicit = true;
ParamOut->Children.emplace_back(llvm::make_unique<CommentInfo>());
ParamOut->Children.back()->Kind = "ParagraphComment";
ParamOut->Children.back()->Children.emplace_back(
llvm::make_unique<CommentInfo>());
ParamOut->Children.back()->Children.back()->Kind = "TextComment";
ParamOut->Children.back()->Children.emplace_back(
llvm::make_unique<CommentInfo>());
ParamOut->Children.back()->Children.back()->Kind = "TextComment";
ParamOut->Children.back()->Children.back()->Text = " is a parameter.";
Top.Children.emplace_back(llvm::make_unique<CommentInfo>());
CommentInfo *ParamIn = Top.Children.back().get();
ParamIn->Kind = "ParamCommandComment";
ParamIn->Direction = "[in]";
ParamIn->ParamName = "J";
ParamIn->Children.emplace_back(llvm::make_unique<CommentInfo>());
ParamIn->Children.back()->Kind = "ParagraphComment";
ParamIn->Children.back()->Children.emplace_back(
llvm::make_unique<CommentInfo>());
ParamIn->Children.back()->Children.back()->Kind = "TextComment";
ParamIn->Children.back()->Children.back()->Text = " is a parameter.";
ParamIn->Children.back()->Children.emplace_back(
llvm::make_unique<CommentInfo>());
ParamIn->Children.back()->Children.back()->Kind = "TextComment";
Top.Children.emplace_back(llvm::make_unique<CommentInfo>());
CommentInfo *Return = Top.Children.back().get();
Return->Kind = "BlockCommandComment";
Return->Name = "return";
Return->Explicit = true;
Return->Children.emplace_back(llvm::make_unique<CommentInfo>());
Return->Children.back()->Kind = "ParagraphComment";
Return->Children.back()->Children.emplace_back(
llvm::make_unique<CommentInfo>());
Return->Children.back()->Children.back()->Kind = "TextComment";
Return->Children.back()->Children.back()->Text = "void";
F.Description.emplace_back(std::move(Top));
std::string WriteResult = writeInfo(&F);
EXPECT_TRUE(WriteResult.size() > 0);
std::vector<std::unique_ptr<Info>> ReadResults = readInfo(WriteResult, 1);
CheckFunctionInfo(&F, InfoAsFunction(ReadResults[0].get()));
}
} // namespace doc
} // namespace clang
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