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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "webassemblyconstants.h"
#include "webassemblyemsdk.h"
#include <coreplugin/icore.h>
#include <utils/environment.h>
#include <utils/qtcprocess.h>
#include <utils/hostosinfo.h>
#include <QSettings>
#ifdef WITH_TESTS
# include <QTest>
# include "webassemblyplugin.h"
#endif // WITH_TESTS
using namespace Utils;
namespace WebAssembly {
namespace Internal {
using EmSdkEnvCache = QCache<QString, QString>;
Q_GLOBAL_STATIC_WITH_ARGS(EmSdkEnvCache, emSdkEnvCache, (10))
using EmSdkVersionCache = QCache<QString, QVersionNumber>;
Q_GLOBAL_STATIC_WITH_ARGS(EmSdkVersionCache, emSdkVersionCache, (10))
static QString emSdkEnvOutput(const FilePath &sdkRoot)
{
const QString cacheKey = sdkRoot.toString();
const bool isWindows = sdkRoot.osType() == OsTypeWindows;
if (!emSdkEnvCache()->contains(cacheKey)) {
const FilePath scriptFile = sdkRoot.pathAppended(QLatin1String("emsdk_env") +
(isWindows ? ".bat" : ".sh"));
QtcProcess emSdkEnv;
if (isWindows) {
emSdkEnv.setCommand(CommandLine(scriptFile));
} else {
// File needs to be source'd, not executed.
emSdkEnv.setCommand({sdkRoot.withNewPath("bash"), {"-c", ". " + scriptFile.path()}});
}
emSdkEnv.runBlocking();
const QString output = emSdkEnv.allOutput();
emSdkEnvCache()->insert(cacheKey, new QString(output));
}
return *emSdkEnvCache()->object(cacheKey);
}
static void parseEmSdkEnvOutputAndAddToEnv(const QString &output, Environment &env)
{
const QStringList lines = output.split('\n');
for (const QString &line : lines) {
const QStringList prependParts = line.trimmed().split(" += ");
if (prependParts.count() == 2)
env.prependOrSetPath(FilePath::fromUserInput(prependParts.last()));
const QStringList setParts = line.trimmed().split(" = ");
if (setParts.count() == 2) {
if (setParts.first() != "PATH") // Path was already extended above
env.set(setParts.first(), setParts.last());
continue;
}
}
// QTCREATORBUG-26199: Wrapper scripts (e.g. emcc.bat) of older emsdks might not find python
const QString emsdkPython = env.value("EMSDK_PYTHON");
if (!emsdkPython.isEmpty())
env.appendOrSetPath(FilePath::fromUserInput(emsdkPython).parentDir());
}
bool WebAssemblyEmSdk::isValid(const FilePath &sdkRoot)
{
return !version(sdkRoot).isNull();
}
void WebAssemblyEmSdk::addToEnvironment(const FilePath &sdkRoot, Environment &env)
{
if (sdkRoot.exists())
parseEmSdkEnvOutputAndAddToEnv(emSdkEnvOutput(sdkRoot), env);
}
QVersionNumber WebAssemblyEmSdk::version(const FilePath &sdkRoot)
{
if (!sdkRoot.exists())
return {};
const QString cacheKey = sdkRoot.toString();
if (!emSdkVersionCache()->contains(cacheKey)) {
Environment env = sdkRoot.deviceEnvironment();
WebAssemblyEmSdk::addToEnvironment(sdkRoot, env);
QLatin1String scriptFile{sdkRoot.osType() == OsType::OsTypeWindows ? "emcc.bat" : "emcc"};
FilePath script = sdkRoot.withNewPath(scriptFile).searchInDirectories(env.path());
const CommandLine command(script, {"-dumpversion"});
QtcProcess emcc;
emcc.setCommand(command);
emcc.setEnvironment(env);
emcc.runBlocking();
const QString version = emcc.cleanedStdOut();
emSdkVersionCache()->insert(cacheKey,
new QVersionNumber(QVersionNumber::fromString(version)));
}
return *emSdkVersionCache()->object(cacheKey);
}
void WebAssemblyEmSdk::registerEmSdk(const FilePath &sdkRoot)
{
QSettings *s = Core::ICore::settings();
s->setValue(QLatin1String(Constants::SETTINGS_GROUP) + '/'
+ QLatin1String(Constants::SETTINGS_KEY_EMSDK), sdkRoot.toString());
}
FilePath WebAssemblyEmSdk::registeredEmSdk()
{
QSettings *s = Core::ICore::settings();
const QString path = s->value(QLatin1String(Constants::SETTINGS_GROUP) + '/'
+ QLatin1String(Constants::SETTINGS_KEY_EMSDK)).toString();
return FilePath::fromUserInput(path);
}
void WebAssemblyEmSdk::clearCaches()
{
emSdkEnvCache()->clear();
emSdkVersionCache()->clear();
}
// Unit tests:
#ifdef WITH_TESTS
void WebAssemblyPlugin::testEmSdkEnvParsing()
{
QFETCH(QString, emSdkEnvOutput);
QFETCH(int, osType);
QFETCH(int, pathCount);
QFETCH(QString, emsdk);
QFETCH(QString, em_config);
Environment env{OsType(osType)};
parseEmSdkEnvOutputAndAddToEnv(emSdkEnvOutput, env);
QVERIFY(env.path().count() == pathCount);
QCOMPARE(env.value("EMSDK"), emsdk);
QCOMPARE(env.value("EM_CONFIG"), em_config);
}
void WebAssemblyPlugin::testEmSdkEnvParsing_data()
{
// Output of "emsdk_env"
QTest::addColumn<QString>("emSdkEnvOutput");
QTest::addColumn<int>("osType");
QTest::addColumn<int>("pathCount");
QTest::addColumn<QString>("emsdk");
QTest::addColumn<QString>("em_config");
QTest::newRow("windows") << R"(
Adding directories to PATH:
PATH += C:\Users\user\dev\emsdk
PATH += C:\Users\user\dev\emsdk\upstream\emscripten
PATH += C:\Users\user\dev\emsdk\node\12.18.1_64bit\bin
PATH += C:\Users\user\dev\emsdk\python\3.7.4-pywin32_64bit
PATH += C:\Users\user\dev\emsdk\java\8.152_64bit\bin
Setting environment variables:
PATH = C:\Users\user\dev\emsdk;C:\Users\user\dev\emsdk\upstream\emscripten;C:\Users\user\dev\emsdk\node\12.18.1_64bit\bin;C:\Users\user\dev\emsdk\python\3.7.4-pywin32_64bit;C:\Users\user\dev\emsdk\java\8.152_64bit\bin;...other_stuff...
EMSDK = C:/Users/user/dev/emsdk
EM_CONFIG = C:\Users\user\dev\emsdk\.emscripten
EM_CACHE = C:/Users/user/dev/emsdk/upstream/emscripten\cache
EMSDK_NODE = C:\Users\user\dev\emsdk\node\12.18.1_64bit\bin\node.exe
EMSDK_PYTHON = C:\Users\user\dev\emsdk\python\3.7.4-pywin32_64bit\python.exe
JAVA_HOME = C:\Users\user\dev\emsdk\java\8.152_64bit
)" << int(OsTypeWindows) << 6 << "C:/Users/user/dev/emsdk" << "C:\\Users\\user\\dev\\emsdk\\.emscripten";
QTest::newRow("linux") << R"(
Adding directories to PATH:
PATH += /home/user/dev/emsdk
PATH += /home/user/dev/emsdk/upstream/emscripten
PATH += /home/user/dev/emsdk/node/12.18.1_64bit/bin
Setting environment variables:
PATH = /home/user/dev/emsdk:/home/user/dev/emsdk/upstream/emscripten:/home/user/dev/emsdk/node/12.18.1_64bit/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
EMSDK = /home/user/dev/emsdk
EM_CONFIG = /home/user/dev/emsdk/.emscripten
EM_CACHE = /home/user/dev/emsdk/upstream/emscripten/cache
EMSDK_NODE = /home/user/dev/emsdk/node/12.18.1_64bit/bin/node
)" << int(OsTypeLinux) << 3 << "/home/user/dev/emsdk" << "/home/user/dev/emsdk/.emscripten";
}
#endif // WITH_TESTS
} // namespace Internal
} // namespace WebAssembly
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