Class: MotionBlender::Analyzer::Evaluator

Inherits:
Object
  • Object
show all
Defined in:
lib/motion_blender/analyzer/evaluator.rb

Defined Under Namespace

Classes: Extractor

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source) ⇒ Evaluator

Returns a new instance of Evaluator.



13
14
15
16
17
18
 
# File 'lib/motion_blender/analyzer/evaluator.rb', line 13

def initialize source
  @source = source
  @trace = "#{source.file}:#{source.line}:in `#{source.method}'"
  @requires = []
  @dynamic = false
end

Instance Attribute Details

#dynamic ⇒ Object (readonly) Also known as: dynamic?

Returns the value of attribute dynamic.



10
11
12
 
# File 'lib/motion_blender/analyzer/evaluator.rb', line 10

def dynamic
  @dynamic
end

#requires ⇒ Object (readonly)

Returns the value of attribute requires.



9
10
11
 
# File 'lib/motion_blender/analyzer/evaluator.rb', line 9

def requires
  @requires
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



8
9
10
 
# File 'lib/motion_blender/analyzer/evaluator.rb', line 8

def source
  @source
end

#trace ⇒ Object (readonly)

Returns the value of attribute trace.



9
10
11
 
# File 'lib/motion_blender/analyzer/evaluator.rb', line 9

def trace
  @trace
end

Instance Method Details

#recover_from_error(err) ⇒ Object 



35
36
37
38
39
40
41
 
# File 'lib/motion_blender/analyzer/evaluator.rb', line 35

def recover_from_error err
  @source = @source.parent
  @source = @source.parent if @source && @source.type.rescue?
  fail LoadError, err.message unless @source
  @dynamic = true
  run
end

#run ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# File 'lib/motion_blender/analyzer/evaluator.rb', line 20

def run
  return if @source.evaluated?

  @source.evaluated!
  extractor = Extractor.new(@source.file)
  extractor.instance_eval(@source.code, @source.file, @source.line)
  @requires = extractor.instance_variable_get(:@_args) || []
  @requires.each do |req|
    req.trace = @trace
  end
  self
rescue StandardError, ScriptError => err
  recover_from_error err
end