/// <summary>
/// Converts the value to <c>String</c> using regular JavaScript semantics.
/// </summary>
/// <remarks>
/// Requires an active script context.
/// </remarks>
/// <returns>The converted value.</returns>
public JavaScriptValue ConvertToString()
{
JavaScriptValue stringReference;
Native.ThrowIfError(Native.JsConvertValueToString(this, out stringReference));
return(stringReference);
}
public string RunScript(string script)
{
IntPtr returnValue;
try
{
JavaScriptValue result;
if (Native.JsRunScript(script, currentSourceContext++, "", out result) != JavaScriptErrorCode.NoError)
{
throw new Exception(GetErrorMessage());
}
// Execute promise tasks stored in taskQueue
while (taskQueue.Count != 0)
{
JavaScriptValue task = taskQueue.Dequeue();
JavaScriptValue promiseResult;
JavaScriptValue global;
Native.JsGetGlobalObject(out global);
JavaScriptValue[] args = new JavaScriptValue[1] {
global
};
Native.JsCallFunction(task, args, 1, out promiseResult);
}
// Convert the return value.
JavaScriptValue stringResult;
UIntPtr stringLength;
if (Native.JsConvertValueToString(result, out stringResult) != JavaScriptErrorCode.NoError)
{
return("failed to convert value to string.");
}
if (Native.JsStringToPointer(stringResult, out returnValue, out stringLength) != JavaScriptErrorCode.NoError)
{
return("failed to convert return value.");
}
}
catch (Exception e)
{
return("chakrahost: fatal error: internal error: " + e.Message);
}
return(Marshal.PtrToStringUni(returnValue));
}
public void PrintJavaScriptError()
{
Native.JsGetProperty(this, JavaScriptPropertyId.FromString("stack"), out var stackTrace);
if (stackTrace.IsValid)
{
Native.JsConvertValueToString(stackTrace, out var stackStringValue);
Native.JsStringToPointer(stackStringValue, out var stackResultPtr, out _);
var resultStackTrace = Marshal.PtrToStringUni(stackResultPtr);
Debug.LogError(resultStackTrace);
}
else
{
Native.JsConvertValueToString(this, out var stringValue);
Native.JsStringToPointer(stringValue, out var resultPtr, out _);
var resultString = Marshal.PtrToStringUni(resultPtr);
Debug.LogError(resultString);
}
}
