public void print_exception(IScriptLogger logger, LogLevel logLevel, string title)
{
var ex = JSApi.JS_GetException(this);
if (logger != null)
{
var err_fileName = JSApi.JS_GetProperty(this, ex, JSApi.JS_ATOM_fileName);
var err_lineNumber = JSApi.JS_GetProperty(this, ex, JSApi.JS_ATOM_lineNumber);
var err_message = JSApi.JS_GetProperty(this, ex, JSApi.JS_ATOM_message);
var err_stack = JSApi.JS_GetProperty(this, ex, JSApi.JS_ATOM_stack);
var fileName = err_fileName.IsNullish() ? "native" : GetString(err_fileName);
var lineNumber = err_lineNumber.IsNullish() ? null : GetString(err_lineNumber);
var message = GetString(err_message);
var stack = GetString(err_stack);
if (string.IsNullOrEmpty(lineNumber))
{
if (string.IsNullOrEmpty(stack))
{
logger.Write(logLevel, "[{0}] {1} {2}",
fileName, title, message);
}
else
{
logger.Write(logLevel, "[{0}] {1} {2}\nJavascript stack:\n{3}",
fileName, title, message, stack);
}
}
else
{
if (string.IsNullOrEmpty(stack))
{
logger.Write(logLevel, "[{0}:{1}] {2} {3}",
fileName, lineNumber, title, message);
}
else
{
logger.Write(logLevel, "[{0}:{1}] {2} {3}\nJavascript stack:\n{4}",
fileName, lineNumber, title, message, stack);
}
}
JSApi.JS_FreeValue(this, err_fileName);
JSApi.JS_FreeValue(this, err_lineNumber);
JSApi.JS_FreeValue(this, err_message);
JSApi.JS_FreeValue(this, err_stack);
}
JSApi.JS_FreeValue(this, ex);
}
public bool CheckFuncProperty(ScriptContext context, string name)
{
if (context == null)
{
return(false);
}
var ctx = (JSContext)context;
var val_Update = JSApi.JS_GetProperty(ctx, this, context.GetAtom("Update"));
var res = JSApi.JS_IsFunction(context, val_Update) == 1;
JSApi.JS_FreeValue(ctx, val_Update);
return(res);
}
// 在外部已确定存在异常
public string GetExceptionString()
{
var ex = JSApi.JS_GetException(this);
var err_fileName = JSApi.JS_GetProperty(this, ex, JSApi.JS_ATOM_fileName);
var err_lineNumber = JSApi.JS_GetProperty(this, ex, JSApi.JS_ATOM_lineNumber);
var err_message = JSApi.JS_GetProperty(this, ex, JSApi.JS_ATOM_message);
var err_stack = JSApi.JS_GetProperty(this, ex, JSApi.JS_ATOM_stack);
var fileName = this.GetString(err_fileName);
var lineNumber = this.GetString(err_lineNumber);
var message = this.GetString(err_message);
var stack = this.GetString(err_stack);
var exceptionString = string.Format("[JS] {0}:{1} {2}\n{3}", fileName, lineNumber, message, stack);
JSApi.JS_FreeValue(this, err_fileName);
JSApi.JS_FreeValue(this, err_lineNumber);
JSApi.JS_FreeValue(this, err_message);
JSApi.JS_FreeValue(this, err_stack);
JSApi.JS_FreeValue(this, ex);
return(exceptionString);
}