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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/. */
/* Operations used to implement multiple Intl.* classes. */
#include "builtin/intl/CommonFunctions.h"
#include "mozilla/Assertions.h"
#include "mozilla/intl/ICUError.h"
#include "mozilla/TextUtils.h"
#include <algorithm>
#include "gc/GCEnum.h"
#include "gc/ZoneAllocator.h"
#include "js/friend/ErrorMessages.h" // js::GetErrorMessage, JSMSG_INTERNAL_INTL_ERROR
#include "js/Value.h"
#include "vm/JSAtomState.h"
#include "vm/JSContext.h"
#include "vm/JSObject.h"
#include "vm/SelfHosting.h"
#include "vm/Stack.h"
#include "vm/StringType.h"
#include "gc/GCContext-inl.h"
bool js::intl::InitializeObject(JSContext* cx, JS::Handle<JSObject*> obj,
JS::Handle<PropertyName*> initializer,
JS::Handle<JS::Value> locales,
JS::Handle<JS::Value> options) {
FixedInvokeArgs<3> args(cx);
args[0].setObject(*obj);
args[1].set(locales);
args[2].set(options);
RootedValue ignored(cx);
if (!CallSelfHostedFunction(cx, initializer, JS::NullHandleValue, args,
&ignored)) {
return false;
}
MOZ_ASSERT(ignored.isUndefined(),
"Unexpected return value from Intl object initializer");
return true;
}
bool js::intl::InitializeDateTimeFormatObject(
JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<JS::Value> thisValue,
JS::Handle<JS::Value> locales, JS::Handle<JS::Value> options,
JS::Handle<JSString*> required, JS::Handle<JSString*> defaults,
DateTimeFormatOptions dtfOptions, JS::MutableHandle<JS::Value> result) {
Handle<PropertyName*> initializer = cx->names().InitializeDateTimeFormat;
FixedInvokeArgs<7> args(cx);
args[0].setObject(*obj);
args[1].set(thisValue);
args[2].set(locales);
args[3].set(options);
args[4].setString(required);
args[5].setString(defaults);
args[6].setBoolean(dtfOptions == DateTimeFormatOptions::EnableMozExtensions);
if (!CallSelfHostedFunction(cx, initializer, NullHandleValue, args, result)) {
return false;
}
MOZ_ASSERT(result.isObject(),
"Intl.DateTimeFormat initializer must return an object");
return true;
}
bool js::intl::InitializeNumberFormatObject(
JSContext* cx, JS::Handle<JSObject*> obj, JS::Handle<JS::Value> thisValue,
JS::Handle<JS::Value> locales, JS::Handle<JS::Value> options,
JS::MutableHandle<JS::Value> result) {
Handle<PropertyName*> initializer = cx->names().InitializeNumberFormat;
FixedInvokeArgs<4> args(cx);
args[0].setObject(*obj);
args[1].set(thisValue);
args[2].set(locales);
args[3].set(options);
if (!CallSelfHostedFunction(cx, initializer, NullHandleValue, args, result)) {
return false;
}
MOZ_ASSERT(result.isObject(),
"Intl.NumberFormat initializer must return an object");
return true;
}
JSObject* js::intl::GetInternalsObject(JSContext* cx,
JS::Handle<JSObject*> obj) {
FixedInvokeArgs<1> args(cx);
args[0].setObject(*obj);
RootedValue v(cx);
if (!js::CallSelfHostedFunction(cx, cx->names().getInternals, NullHandleValue,
args, &v)) {
return nullptr;
}
return &v.toObject();
}
void js::intl::ReportInternalError(JSContext* cx) {
JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr,
JSMSG_INTERNAL_INTL_ERROR);
}
void js::intl::ReportInternalError(JSContext* cx,
mozilla::intl::ICUError error) {
switch (error) {
case mozilla::intl::ICUError::OutOfMemory:
ReportOutOfMemory(cx);
return;
case mozilla::intl::ICUError::InternalError:
ReportInternalError(cx);
return;
case mozilla::intl::ICUError::OverflowError:
ReportAllocationOverflow(cx);
return;
}
MOZ_CRASH("Unexpected ICU error");
}
const js::intl::OldStyleLanguageTagMapping
js::intl::oldStyleLanguageTagMappings[] = {
{"pa-PK", "pa-Arab-PK"}, {"zh-CN", "zh-Hans-CN"},
{"zh-HK", "zh-Hant-HK"}, {"zh-SG", "zh-Hans-SG"},
{"zh-TW", "zh-Hant-TW"},
};
js::UniqueChars js::intl::EncodeLocale(JSContext* cx, JSString* locale) {
MOZ_ASSERT(locale->length() > 0);
js::UniqueChars chars = EncodeAscii(cx, locale);
#ifdef DEBUG
// Ensure the returned value contains only valid BCP 47 characters.
// (Lambdas can't be placed inside MOZ_ASSERT, so move the checks in an
// #ifdef block.)
if (chars) {
auto alnumOrDash = [](char c) {
return mozilla::IsAsciiAlphanumeric(c) || c == '-';
};
MOZ_ASSERT(mozilla::IsAsciiAlpha(chars[0]));
MOZ_ASSERT(
std::all_of(chars.get(), chars.get() + locale->length(), alnumOrDash));
}
#endif
return chars;
}
void js::intl::AddICUCellMemory(JSObject* obj, size_t nbytes) {
// Account the (estimated) number of bytes allocated by an ICU object against
// the JSObject's zone.
AddCellMemory(obj, nbytes, MemoryUse::ICUObject);
}
void js::intl::RemoveICUCellMemory(JS::GCContext* gcx, JSObject* obj,
size_t nbytes) {
gcx->removeCellMemory(obj, nbytes, MemoryUse::ICUObject);
}
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