method

backtrace

ruby latest stable - Class: Exception

backtrace()

public

Returns any backtrace associated with the exception. The backtrace is an array of strings, each containing either "filename:lineNo: in `method"‘ or "filename:lineNo."

def a
 raise "boom"
end
def b
 a()
end
begin
 b()
rescue => detail
 print detail.backtrace .join("\n")
end

produces:

prog.rb:2:in `a'
prog.rb:6:in `b'
prog.rb:10

static VALUE
exc_backtrace(VALUE exc)
{
 VALUE obj;
 obj = rb_attr_get(exc, id_bt);
 if (rb_backtrace_p(obj)) {
 obj = rb_backtrace_to_str_ary(obj);
 /* rb_ivar_set(exc, id_bt, obj); */
 }
 return obj;
}

backtrace

Related methods