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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "compilationdb.h"
#include "cppeditortr.h"
#include <projectexplorer/abi.h>
#include <projectexplorer/projectexplorerconstants.h>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
using namespace ProjectExplorer;
namespace PEConstants = ProjectExplorer::Constants;
using namespace Utils;
namespace CppEditor {
static QStringList projectPartArguments(const ProjectPart &projectPart)
{
QStringList args;
args << projectPart.compilerFilePath.path();
args << "-c";
if (projectPart.toolchainType != PEConstants::MSVC_TOOLCHAIN_TYPEID) {
args << "--target=" + projectPart.toolchainTargetTriple;
if (projectPart.toolchainAbi.architecture() == Abi::X86Architecture)
args << QLatin1String(projectPart.toolchainAbi.wordWidth() == 64 ? "-m64" : "-m32");
}
args << projectPart.compilerFlags;
for (const ProjectExplorer::HeaderPath &headerPath : projectPart.headerPaths) {
if (headerPath.type == HeaderPathType::User) {
args << "-I" + headerPath.path.path();
} else if (headerPath.type == HeaderPathType::System) {
args << (projectPart.toolchainType == PEConstants::MSVC_TOOLCHAIN_TYPEID
? "-I"
: "-isystem")
+ headerPath.path.path();
}
}
for (const Macro ¯o : projectPart.projectMacros) {
args.append(
QString::fromUtf8(macro.toKeyValue(macro.type == MacroType::Define ? "-D" : "-U")));
}
return args;
}
static QJsonArray projectPartOptions(const CppEditor::CompilerOptionsBuilder &optionsBuilder)
{
const QStringList optionsList = optionsBuilder.options();
QJsonArray optionsArray;
for (const QString &opt : optionsList) {
// These will be added later by the file-specific code, and they trigger warnings
// if they appear twice; see QTCREATORBUG-26664.
if (opt != "-TP" && opt != "-TC")
optionsArray << opt;
}
return optionsArray;
}
static QJsonArray fullProjectPartOptions(const QJsonArray &projectPartOptions,
const QJsonArray &projectOptions)
{
QJsonArray fullProjectPartOptions = projectPartOptions;
for (const QJsonValue &opt : projectOptions)
fullProjectPartOptions.prepend(opt);
return fullProjectPartOptions;
}
QJsonArray fullProjectPartOptions(const CppEditor::CompilerOptionsBuilder &optionsBuilder,
const QStringList &projectOptions)
{
return fullProjectPartOptions(projectPartOptions(optionsBuilder),
QJsonArray::fromStringList(projectOptions));
}
QJsonArray clangOptionsForFile(const ProjectFile &file, const ProjectPart &projectPart,
const QJsonArray &generalOptions, UsePrecompiledHeaders usePch,
bool clStyle)
{
CompilerOptionsBuilder optionsBuilder(projectPart);
optionsBuilder.setClStyle(clStyle);
ProjectFile::Kind fileKind = file.kind;
if (fileKind == ProjectFile::AmbiguousHeader) {
fileKind = projectPart.languageVersion <= LanguageVersion::LatestC
? ProjectFile::CHeader : ProjectFile::CXXHeader;
}
if (usePch == UsePrecompiledHeaders::Yes && projectPart.precompiledHeaders.contains(file.path))
usePch = UsePrecompiledHeaders::No;
optionsBuilder.updateFileLanguage(fileKind);
optionsBuilder.addPrecompiledHeaderOptions(usePch);
const QJsonArray specificOptions = QJsonArray::fromStringList(optionsBuilder.options());
QJsonArray fullOptions = generalOptions;
for (const QJsonValue &opt : specificOptions)
fullOptions << opt;
return fullOptions;
}
static QJsonObject createFileObject(const FilePath &buildDir,
const QStringList &arguments,
const ProjectPart &projectPart,
const ProjectFile &projFile,
CompilationDbPurpose purpose,
const QJsonArray &projectPartOptions,
UsePrecompiledHeaders usePch,
bool clStyle)
{
QJsonObject fileObject;
fileObject["file"] = projFile.path.path();
QJsonArray args;
if (purpose == CompilationDbPurpose::Project) {
args = QJsonArray::fromStringList(arguments);
const ProjectFile::Kind kind = ProjectFile::classify(projFile.path);
if (projectPart.toolchainType == ProjectExplorer::Constants::MSVC_TOOLCHAIN_TYPEID
|| projectPart.toolchainType == ProjectExplorer::Constants::CLANG_CL_TOOLCHAIN_TYPEID) {
if (!ProjectFile::isObjC(kind)) {
if (ProjectFile::isC(kind))
args.append("/TC");
else if (ProjectFile::isCxx(kind))
args.append("/TP");
}
} else {
const QStringList langOption
= createLanguageOptionGcc(projectPart.language, kind,
projectPart.languageExtensions
& LanguageExtension::ObjectiveC);
for (const QString &langOptionPart : langOption)
args.append(langOptionPart);
}
} else {
args = clangOptionsForFile(projFile, projectPart, projectPartOptions, usePch, clStyle);
if (purpose == CompilationDbPurpose::Analysis && projFile.isHeader())
args << "-Wno-pragma-once-outside-header";
args.prepend("clang"); // TODO: clang-cl for MSVC targets? Does it matter at all what we put here?
}
args.append(projFile.path.path());
fileObject["arguments"] = args;
fileObject["directory"] = buildDir.path();
return fileObject;
}
void generateCompilationDB(
QPromise<GenerateCompilationDbResult> &promise,
const QList<ProjectInfo::ConstPtr> &projectInfoList,
const FilePath &baseDir,
CompilationDbPurpose purpose,
const QStringList &projectOptions,
const GetOptionsBuilder &getOptionsBuilder)
{
const QString fileName = "compile_commands.json";
QTC_ASSERT(
!baseDir.isEmpty(),
promise.addResult(make_unexpected(Tr::tr("Invalid location for %1.").arg(fileName)));
return);
QTC_CHECK(baseDir.ensureWritableDir());
QFile compileCommandsFile(baseDir.pathAppended(fileName).toFSPathString());
const bool fileOpened = compileCommandsFile.open(QIODevice::WriteOnly | QIODevice::Truncate);
if (!fileOpened) {
promise.addResult(make_unexpected(
Tr::tr("Could not create \"%1\": %2")
.arg(compileCommandsFile.fileName(), compileCommandsFile.errorString())));
return;
}
compileCommandsFile.write("[");
const QJsonArray jsonProjectOptions = QJsonArray::fromStringList(projectOptions);
for (bool hasEntries = false;
const ProjectInfo::ConstPtr &projectInfo : std::as_const(projectInfoList)) {
QTC_ASSERT(projectInfo, continue);
for (ProjectPart::ConstPtr projectPart : projectInfo->projectParts()) {
QTC_ASSERT(projectPart, continue);
QStringList args;
const CompilerOptionsBuilder optionsBuilder = getOptionsBuilder(*projectPart);
QJsonArray ppOptions;
if (purpose == CompilationDbPurpose::Project) {
args = projectPartArguments(*projectPart);
} else {
ppOptions = fullProjectPartOptions(projectPartOptions(optionsBuilder),
jsonProjectOptions);
}
for (const ProjectFile &projFile : projectPart->files) {
if (promise.isCanceled())
return;
if (purpose == CompilationDbPurpose::CodeModel && projFile.isHeader())
continue;
const QJsonObject json
= createFileObject(baseDir,
args,
*projectPart,
projFile,
purpose,
ppOptions,
projectInfo->settings().usePrecompiledHeaders(),
optionsBuilder.isClStyle());
if (hasEntries)
compileCommandsFile.write(",");
compileCommandsFile.write(QJsonDocument(json).toJson(QJsonDocument::Compact));
hasEntries = true;
}
}
}
compileCommandsFile.write("]");
compileCommandsFile.close();
promise.addResult(FilePath::fromUserInput(compileCommandsFile.fileName()));
}
} // namespace CppEditor
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