jerryscript/src/include/Jerryscript/VirtualMachine.h

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/****
 * Sming Framework Project - Open Source framework for high efficiency native ESP8266 development.
 * Created 2015 by Skurydin Alexey
 * http://github.com/SmingHub/Sming
 * All files of the Sming Core are provided under the LGPL v3 license.
 *
 * VirtualMachine.h
 *
 * @author Nov 2021 - Slavey Karadzhov <slav@attachix.com>
 */

#pragma once

#include "Types.h"
#include <FileSystem.h>
#include <Platform/Clocks.h>

namespace Jerryscript
{
void initialise(jerry_init_flag_t flags = JERRY_INIT_EMPTY);

void cleanup();

inline bool isFeatureEnabled(Feature feature)
{
    return jerry_is_feature_enabled(jerry_feature_t(feature));
}

namespace Watchdog
{
void setPeriod(unsigned milliseconds);

Timer2Clock::Ticks<uint32_t> read();

}; // namespace Watchdog

/*
 * @brief Parses the JavaScript code and prepares it for execution
 * @retval bool true on success
 * 
 * Requires jerryscript to be compiled with parsing enabled.
 */
Value eval(const String& jsCode);

namespace Snapshot
{
Value load(const uint32_t* snapshot, size_t snapshotSize);

inline Value load(const String& snapshot)
{
    return load(reinterpret_cast<const uint32_t*>(snapshot.c_str()), snapshot.length());
}

inline Value loadFromFile(const String& fileName)
{
    return load(fileGetContent(fileName));
}

} // namespace Snapshot

inline void gc(bool maximumEffort = false)
{
    jerry_gc(maximumEffort ? JERRY_GC_PRESSURE_HIGH : JERRY_GC_PRESSURE_LOW);
}

} // namespace Jerryscript