/// <summary>
/// Executes a script
/// </summary>
/// <remarks>
/// Requires an active script context.
/// </remarks>
/// <param name="script">The script to run</param>
/// <param name="sourceContext">A cookie identifying the script that can be used
/// by debuggable script contexts</param>
/// <param name="sourceUrl">The location the script came from</param>
/// <param name="parseAttributes">Attribute mask for parsing the script</param>
/// <returns>The result of the script, if any</returns>
public static JsValue RunScript(string script, JsSourceContext sourceContext, string sourceUrl,
ref JsParseScriptAttributes parseAttributes)
{
JsValue scriptValue = JsValue.FromString(script);
scriptValue.AddRef();
JsValue sourceUrlValue = JsValue.FromString(sourceUrl);
sourceUrlValue.AddRef();
JsValue result;
try
{
JsErrorCode errorCode = NativeMethods.JsRun(scriptValue, sourceContext, sourceUrlValue,
parseAttributes, out result);
JsErrorHelpers.ThrowIfError(errorCode);
}
finally
{
scriptValue.Release();
sourceUrlValue.Release();
}
return(result);
}
public static unsafe JsValue RunScriptUtf16Buffer(
ReadOnlySpan <char> scriptBuffer,
JsSourceContext sourceContext,
ReadOnlySpan <char> sourceUrl)
{
//not work, because fixed.. https://github.com/dotnet/corefx/issues/31651 PInvoke marshaling will pin the pointer for ref byte hash arguments that will pin the whole block as side-effect
fixed(char *scriptBufferPtr = &MemoryMarshal.GetReference(scriptBuffer))
fixed(char *sourceUrlPtr = &MemoryMarshal.GetReference(sourceUrl))
{
JsErrorHelpers.ThrowIfError(NativeMethods.JsCreateStringUtf16((IntPtr)scriptBufferPtr, (uint)scriptBuffer.Length, out var scriptValue));
scriptValue.AddRef();
JsErrorHelpers.ThrowIfError(NativeMethods.JsCreateStringUtf16((IntPtr)sourceUrlPtr, (uint)sourceUrl.Length, out var sourceUrlValue));
sourceUrlValue.AddRef();
JsValue result;
try
{
JsErrorHelpers.ThrowIfError(NativeMethods.JsRun(scriptValue, sourceContext, sourceUrlValue, JsParseScriptAttributes.None, out result));
}
finally
{
scriptValue.Release();
sourceUrlValue.Release();
}
return(result);
}
}
/// <summary>
/// Executes a script
/// </summary>
/// <remarks>
/// Requires an active script context.
/// </remarks>
/// <param name="script">The script to run</param>
/// <param name="sourceContext">The cookie identifying the script that can be used
/// by script contexts that have debugging enabled</param>
/// <param name="sourceName">The location the script came from</param>
/// <returns>The result of the script, if any</returns>
public static JsValue RunScript(string script, JsSourceContext sourceContext, string sourceName)
{
JsValue result;
JsErrorCode errorCode;
if (Utils.IsWindows())
{
errorCode = NativeMethods.JsRunScript(script, sourceContext, sourceName, out result);
JsErrorHelpers.ThrowIfError(errorCode);
}
else
{
JsValue scriptValue = JsValue.FromString(script);
scriptValue.AddRef();
JsValue sourceUrlValue = JsValue.FromString(sourceName);
sourceUrlValue.AddRef();
try
{
errorCode = NativeMethods.JsRun(scriptValue, sourceContext, sourceUrlValue,
JsParseScriptAttributes.None, out result);
JsErrorHelpers.ThrowIfError(errorCode);
}
finally
{
scriptValue.Release();
sourceUrlValue.Release();
}
}
return(result);
}
/// <summary>
/// Runs a serialized script
/// </summary>
/// <remarks>
/// <para>Requires an active script context.</para>
/// <para>The runtime will detach the data from the buffer and hold on to it until all
/// instances of any functions created from the buffer are garbage collected.</para>
/// </remarks>
/// <param name="script">The source code of the serialized script</param>
/// <param name="buffer">The serialized script</param>
/// <param name="scriptLoadCallback">Callback to load the source code of the serialized script</param>
/// <param name="sourceContext">A cookie identifying the script that can be used
/// by debuggable script contexts</param>
/// <param name="sourceUrl">The location the script came from</param>
/// <returns>The result of running the script, if any</returns>
public static JsValue RunSerializedScript(string script, byte[] buffer,
JsSerializedLoadScriptCallback scriptLoadCallback, JsSourceContext sourceContext, string sourceUrl)
{
JsValue bufferValue = JsValue.CreateExternalArrayBuffer(buffer);
bufferValue.AddRef();
JsValue sourceUrlValue = JsValue.FromString(sourceUrl);
sourceUrlValue.AddRef();
JsValue result;
try
{
JsErrorCode errorCode = NativeMethods.JsRunSerialized(bufferValue, scriptLoadCallback,
sourceContext, sourceUrlValue, out result);
JsErrorHelpers.ThrowIfError(errorCode);
}
finally
{
bufferValue.Release();
sourceUrlValue.Release();
}
return(result);
}
internal static extern JsErrorCode JsRunSerialized(JsValue buffer,
JsSerializedLoadScriptCallback scriptLoadCallback, JsSourceContext sourceContext,
JsValue sourceUrl, out JsValue result);
internal static extern JsErrorCode JsRun(JsValue script, JsSourceContext sourceContext, JsValue sourceUrl,
JsParseScriptAttributes parseAttributes, out JsValue result);
internal static extern JsErrorCode JsRunSerializedScript(string script, byte[] buffer,
JsSourceContext sourceContext, string sourceUrl, out JsValue result);
internal static extern JsErrorCode JsRunSerializedScriptWithCallback(
JsSerializedScriptLoadSourceCallback scriptLoadCallback,
JsSerializedScriptUnloadCallback scriptUnloadCallback, byte[] buffer,
JsSourceContext sourceContext, string sourceUrl, out JsValue result);
internal static extern JsErrorCode JsRunScript(string script, JsSourceContext sourceContext,
string sourceUrl, out JsValue result);
