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//===- MockBuildSystemDelegate.h --------------------------------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2017 - 2019 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "llbuild/BuildSystem/BuildDescription.h"
#include "llbuild/BuildSystem/BuildSystem.h"
#include "llbuild/BuildSystem/Command.h"
#include "llbuild/BuildSystem/Tool.h"
#include "llbuild/Basic/ExecutionQueue.h"
#include "llbuild/Basic/FileSystem.h"
#include "llbuild/Basic/LLVM.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/SourceMgr.h"
#include <memory>
#include <mutex>
using namespace llvm;
using namespace llbuild;
using namespace llbuild::basic;
using namespace llbuild::buildsystem;
namespace llbuild {
namespace unittests {
class MockExecutionQueueDelegate : public ExecutionQueueDelegate {
public:
MockExecutionQueueDelegate();
private:
virtual void queueJobStarted(JobDescriptor*) override {}
virtual void queueJobFinished(JobDescriptor*) override {}
virtual void processStarted(ProcessContext*, ProcessHandle,
llbuild_pid_t) override {}
virtual void processHadError(ProcessContext*, ProcessHandle handle,
const Twine& message) override {}
virtual void processHadOutput(ProcessContext*, ProcessHandle handle,
StringRef data) override {}
virtual void processFinished(ProcessContext*, ProcessHandle handle,
const ProcessResult& result) override {}
};
class MockBuildSystemDelegate : public BuildSystemDelegate {
std::vector<std::string> messages;
std::mutex messagesMutex;
MockExecutionQueueDelegate executionQueueDelegate;
bool trackAllMessages;
public:
MockBuildSystemDelegate(bool trackAllMessages = false);
std::vector<std::string> getMessages() {
{
std::unique_lock<std::mutex> lock(messagesMutex);
return messages;
}
}
virtual void setFileContentsBeingParsed(StringRef buffer) {}
virtual void error(StringRef filename,
const Token& at,
const Twine& message) {
llvm::errs() << "error: " << filename.str() << ": " << message.str() << "\n";
{
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(message.str());
}
}
virtual std::unique_ptr<Tool> lookupTool(StringRef name) {
return nullptr;
}
virtual std::unique_ptr<ExecutionQueue> createExecutionQueue() {
return std::unique_ptr<ExecutionQueue>(
createLaneBasedExecutionQueue(executionQueueDelegate, /*numLanes=*/1,
SchedulerAlgorithm::NamePriority,
getDefaultQualityOfService(),
/*environment=*/nullptr));
}
virtual void hadCommandFailure() {
if (trackAllMessages) {
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back("hadCommandFailure");
}
}
virtual void commandStatusChanged(Command*, CommandStatusKind) { }
virtual void commandPreparing(Command* command) {
if (trackAllMessages) {
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(
("commandPreparing(" + command->getName() + ")").str());
}
}
virtual bool shouldCommandStart(Command*) { return true; }
virtual void commandStarted(Command* command) {
if (trackAllMessages) {
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(
("commandStarted(" + command->getName() + ")").str());
}
}
virtual void commandHadError(Command* command, StringRef data) {
llvm::errs() << "error: " << command->getName() << ": " << data.str() << "\n";
{
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(data.str());
}
}
virtual void commandHadNote(Command* command, StringRef data) {
if (trackAllMessages) {
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(("commandNote(" + command->getName() + ") " + data).str());
}
}
virtual void commandHadWarning(Command* command, StringRef data) {
if (trackAllMessages) {
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(("commandWarning(" + command->getName() + ") " + data).str());
}
}
virtual void commandFinished(Command* command, ProcessStatus result) {
if (trackAllMessages) {
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(
("commandFinished(" + command->getName() + ": " + std::to_string((int)result) + ")").str());
}
}
virtual void commandFoundDiscoveredDependency(Command* command, StringRef path, DiscoveredDependencyKind kind) {
if (trackAllMessages) {
std::string kindString;
switch (kind) {
case DiscoveredDependencyKind::Input:
kindString = "input";
break;
case DiscoveredDependencyKind::Missing:
kindString = "missing";
break;
case DiscoveredDependencyKind::Output:
kindString = "output";
break;
}
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(
("commandFoundDiscoveredDependency(" + command->getName() + ": " + kindString + " " + path + ")").str());
}
}
virtual void commandCannotBuildOutputDueToMissingInputs(Command * command, Node *output,
SmallPtrSet<Node *, 1> inputs) {
std::string message = "cannot build '" + output->getName().str() + "' due to missing input: '" +
(*inputs.begin())->getName().str() + "'";
llvm::errs() << "error: " << command->getName() << ": " << message << "\n";
{
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(message);
}
}
virtual Command* chooseCommandFromMultipleProducers(Node *output,
std::vector<Command*> commands) {
return nullptr;
}
virtual void cannotBuildNodeDueToMultipleProducers(Node *output,
std::vector<Command*> commands) {
std::string message = "cannot build '" + output->getName().str() + "' node is produced "
"by multiple commands; e.g. '" + (*commands.begin())->getName().str() + "'";
llvm::errs() << "error: " << message << "\n";
{
std::unique_lock<std::mutex> lock(messagesMutex);
messages.push_back(message);
}
}
virtual void determinedRuleNeedsToRun(core::Rule* ruleNeedingToRun, core::Rule::RunReason reason, core::Rule* inputRule) { }
};
}
}
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