mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
b78987a8c5
Compilations can now pass captured diagnostics as part of the did-compile notification, and this was added to the SwiftASTManager. rdar://38438512
90 lines
3.0 KiB
C++
90 lines
3.0 KiB
C++
//===--- Tracing.cpp ------------------------------------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See https://swift.org/LICENSE.txt for license information
|
|
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "SourceKit/Support/Tracing.h"
|
|
|
|
#include "swift/Frontend/Frontend.h"
|
|
|
|
#include "llvm/Support/Mutex.h"
|
|
#include "llvm/Support/YAMLTraits.h"
|
|
|
|
using namespace SourceKit;
|
|
using namespace llvm;
|
|
using swift::OptionSet;
|
|
|
|
static llvm::sys::Mutex consumersLock;
|
|
// Must hold consumersLock to access.
|
|
static std::vector<trace::TraceConsumer *> consumers;
|
|
// Must hold consumersLock to modify, but can be read any time.
|
|
static std::atomic<uint64_t> tracedOperations;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Trace commands
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Is tracing enabled
|
|
bool trace::anyEnabled() { return static_cast<bool>(tracedOperations); }
|
|
|
|
bool trace::enabled(OperationKind op) {
|
|
return OptionSet<OperationKind>(tracedOperations).contains(op);
|
|
}
|
|
|
|
// Trace start of perform sema call, returns OpId
|
|
uint64_t trace::startOperation(trace::OperationKind OpKind,
|
|
const trace::SwiftInvocation &Inv,
|
|
const trace::StringPairs &OpArgs) {
|
|
static std::atomic<uint64_t> operationId(0);
|
|
auto OpId = ++operationId;
|
|
if (trace::anyEnabled()) {
|
|
llvm::sys::ScopedLock L(consumersLock);
|
|
for (auto *consumer : consumers) {
|
|
consumer->operationStarted(OpId, OpKind, Inv, OpArgs);
|
|
}
|
|
}
|
|
return OpId;
|
|
}
|
|
|
|
// Operation previously started with startXXX has finished
|
|
void trace::operationFinished(uint64_t OpId, trace::OperationKind OpKind,
|
|
ArrayRef<DiagnosticEntryInfo> Diagnostics) {
|
|
if (trace::anyEnabled()) {
|
|
llvm::sys::ScopedLock L(consumersLock);
|
|
for (auto *consumer : consumers) {
|
|
consumer->operationFinished(OpId, OpKind, Diagnostics);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Must be called with consumersLock held.
|
|
static void updateTracedOperations() {
|
|
OptionSet<trace::OperationKind> operations;
|
|
for (auto *consumer : consumers) {
|
|
operations |= consumer->desiredOperations();
|
|
}
|
|
// It is safe to store without a compare, because writers hold consumersLock.
|
|
tracedOperations.store(uint64_t(operations), std::memory_order_relaxed);
|
|
}
|
|
|
|
// Register trace consumer
|
|
void trace::registerConsumer(trace::TraceConsumer *Consumer) {
|
|
llvm::sys::ScopedLock L(consumersLock);
|
|
consumers.push_back(Consumer);
|
|
updateTracedOperations();
|
|
}
|
|
|
|
void trace::unregisterConsumer(trace::TraceConsumer *Consumer) {
|
|
llvm::sys::ScopedLock L(consumersLock);
|
|
consumers.erase(std::remove(consumers.begin(), consumers.end(), Consumer),
|
|
consumers.end());
|
|
updateTracedOperations();
|
|
}
|