aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/webassembly/webassemblyemsdk.cpp
blob: 351bda3062ef53a6a10513da2dc7ecc2fb9a8e9b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#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