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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/SourceLocation.h"
#include "jsapi.h"
#include "mozilla/ThreadLocal.h"
#include "nsContentUtils.h"
namespace mozilla {
SourceLocation::SourceLocation() = default;
SourceLocation::~SourceLocation() = default;
SourceLocation::SourceLocation(nsCString&& aResource, uint32_t aLine,
uint32_t aCol)
: mResource(std::move(aResource)), mLine(aLine), mColumn(aCol) {}
SourceLocation::SourceLocation(nsCOMPtr<nsIURI>&& aResource, uint32_t aLine,
uint32_t aCol)
: mResource(std::move(aResource)), mLine(aLine), mColumn(aCol) {}
static MOZ_THREAD_LOCAL(const JSCallingLocation*) tlsFallback;
const JSCallingLocation* JSCallingLocation::GetFallback() {
if (!tlsFallback.initialized()) {
return nullptr;
}
return tlsFallback.get();
}
void JSCallingLocation::SetFallback(const JSCallingLocation* aFallback) {
if (!tlsFallback.init()) {
return;
}
tlsFallback.set(aFallback);
}
JSCallingLocation JSCallingLocation::Get() {
return Get(nsContentUtils::GetCurrentJSContext());
}
JSCallingLocation JSCallingLocation::Get(JSContext* aCx) {
JSCallingLocation result;
if (const JSCallingLocation* loc = GetFallback()) {
result = *loc;
}
if (!aCx) {
return result;
}
JS::AutoFilename filename;
uint32_t line;
JS::ColumnNumberOneOrigin column;
if (!JS::DescribeScriptedCaller(&filename, aCx, &line, &column)) {
return result;
}
nsCString file;
if (!file.Assign(filename.get(), fallible)) {
return result;
}
result.mResource = AsVariant(std::move(file));
result.mLine = line;
result.mColumn = column.oneOriginValue();
return result;
}
} // namespace mozilla
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