class ScoutApm::Utils::BacktraceParser
Constants
- APP_FRAMES
will return this many backtrace frames from the app stack.
Attributes
call_stack[R]
Public Class Methods
new(call_stack, root=ScoutApm::Agent.instance.context.environment.root)
click to toggle source
call_stack
- an Array
of calls, typically generated via the caller
method. Example single line: “/Users/dlite/.rvm/rubies/ruby-2.4.5/lib/ruby/2.4.0/irb/workspace.rb:87:in `eval'”
# File lib/scout_apm/utils/backtrace_parser.rb, line 17 def initialize(call_stack, root=ScoutApm::Agent.instance.context.environment.root) @call_stack = call_stack # We can't use a constant as it'd be too early to fetch environment info # # This regex looks for files under the app root, inside lib/, app/, and # config/ dirs, and captures the path under root. @@app_dir_regex = %r[#{root}/((?:lib/|app/|config/).*)] end
Public Instance Methods
call()
click to toggle source
# File lib/scout_apm/utils/backtrace_parser.rb, line 26 def call stack = [] call_stack.each do |c| if m = c.match(@@app_dir_regex) stack << ScoutApm::Utils::Scm.relative_scm_path(m[1]) break if stack.size == APP_FRAMES end end stack end