// 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);
try
{
var fileName = JSApi.GetString(this, err_fileName);
var lineNumber = JSApi.GetString(this, err_lineNumber);
var message = JSApi.GetString(this, err_message);
var stack = JSApi.GetString(this, err_stack);
var exceptionString = string.Format("[JS] {0}:{1} {2}\n{3}", fileName, lineNumber, message, stack);
return(exceptionString);
}
finally
{
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 static string GetString(JSContext ctx, JSValue val)
{
size_t len;
var pstr = JSApi.JS_ToCStringLen(ctx, out len, val);
if (pstr == IntPtr.Zero)
{
return(null);
}
var str = JSApi.GetString(ctx, pstr, len);
JSApi.JS_FreeCString(ctx, pstr);
return(str);
}
public void print_exception(IScriptLogger logger, LogLevel logLevel, string title)
{
var ex = JSApi.JS_GetException(this);
try
{
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);
try
{
var fileName = err_fileName.IsNullish() ? "native" : JSApi.GetString(this, err_fileName);
var lineNumber = err_lineNumber.IsNullish() ? null : JSApi.GetString(this, err_lineNumber);
var message = JSApi.GetString(this, err_message);
var stack = JSApi.GetString(this, 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);
}
}
}
finally
{
JSApi.JS_FreeValue(this, err_fileName);
JSApi.JS_FreeValue(this, err_lineNumber);
JSApi.JS_FreeValue(this, err_message);
JSApi.JS_FreeValue(this, err_stack);
}
}
}
finally
{
JSApi.JS_FreeValue(this, ex);
}
}
