Class: Cauldron::Solution::Composite

Inherits:
Object
  • Object
show all
Defined in:
lib/cauldron/solution/composite.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(children) ⇒ Composite

Returns a new instance of Composite.

Raises:

  • (StandardError) 


7
8
9
10
 
# File 'lib/cauldron/solution/composite.rb', line 7

def initialize(children)
  raise StandardError.new('inital value should be an array') unless children.kind_of?(Array)      
  @operators = children
end

Instance Attribute Details

#operators ⇒ Object (readonly)

Returns the value of attribute operators.



5
6
7
 
# File 'lib/cauldron/solution/composite.rb', line 5

def operators
  @operators
end

Instance Method Details

#add_first_statement(statement) ⇒ Object 



168
169
170
 
# File 'lib/cauldron/solution/composite.rb', line 168

def add_first_statement(statement)
  [:stmts_add, [:stmts_new], statement]
end

#add_statement(statement, inner) ⇒ Object 



172
173
174
 
# File 'lib/cauldron/solution/composite.rb', line 172

def add_statement(statement, inner)
  [:stmts_add, inner, statement]
end

#add_statement_at(statement, point) ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/cauldron/solution/composite.rb', line 35

def add_statement_at(statement, point)
  if point.length == 2
    container = self.operators[0]
    #return self if container.length > 1 # TODO: Quick hack to get it working
    container << Tree::TreeNode.new('SASA', statement)
  elsif point.length == 1
    operators << Tree::TreeNode.new('SASA', statement)
  else
    raise StandardError.new('Have not written code: '+point.inspect)
  end
  self
end

#clone_solution ⇒ Object 



27
28
29
30
31
32
33
 
# File 'lib/cauldron/solution/composite.rb', line 27

def clone_solution
  #self.clone
  tree_operators = operators.collect do |node|
    Tree::TreeNode.new('x', node.content.clone_statement)
  end
  Composite.new(tree_operators)
end

#end_points ⇒ Object 



17
18
19
20
21
22
23
24
25
 
# File 'lib/cauldron/solution/composite.rb', line 17

def end_points
  results = []
  operators.each do |x|
    if x.content.branch?
      results << [0,x.children.length]
    end
  end
  results << [operators.length]
end

#insert_tracking(params) ⇒ Object 



48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
 
# File 'lib/cauldron/solution/composite.rb', line 48

def insert_tracking(params)
  scope = Cauldron::Scope.new(params.clone)

  # TODO Might be useful
  # trace = TracePoint.new(:call) do |tp|
  #   p [tp.lineno, tp.event, tp.raised_exception]
  # end

  
  # NEW: Implementation
  m = %Q{
    def function(#{params.join(',')})
      #{to_ruby(Cauldron::Scope.new(params.clone))}
    end
  }

  sexp = Ripper::SexpBuilder.new(m).parse
  rendered_code = Sorcerer.source(sexp, indent: true)
  caret = Cauldron::Caret.new

  rendered_code = Sorcerer.source(sexp, indent: true).gsub(/end/,"\nend").split("\n").reject(&:empty?).join("\n")

  # Generate tracking code with pending substitutions
  tracked_code = []
  rendered_code.each_line do |line|
    #if line.match /end\s+/
    if line.match /end/
      tracked_code << Sorcerer.source(Ripper::SexpBuilder.new(Cauldron::Tracer.substitue_tracking).parse) #Sorcerer.source(Cauldron::Tracer.substitue_tracking)
    end
    tracked_code << line
  end
  sexp = Ripper::SexpBuilder.new(tracked_code.join("\n")).parse       
  code_tracking  = Sorcerer.source(sexp, indent: true)
  code_tracking.split("\n")

  current_line = -1
  total_lines = 0
  new_tracked_code = []
  last_line = nil
  relative_line = 0
  placeholder = nil
  point = [0,0]
  current_depth = 0
  caret = Cauldron::Caret.new

  points = end_points

  code_tracking.split("\n").each do |line|

    if line.match /record/
      depth = (line.match(/^(\s+)/)[0].length / 2) -1
      if depth > current_depth
        relative_line = 0
      end
      current_depth = depth

      new_tracked_code << last_line
      new_tracked_code << Sorcerer.source(
                            Cauldron::Tracer.tracking(relative_line, depth, total_lines, points.shift)
                          )
      new_tracked_code << placeholder
    else
      total_lines += 1

      unless line['=']
        placeholder = "#{'placeholder_'+rand(10000000000).to_s}"
        last_line = "#{placeholder} = "+line
      end

      if last_line
        if !last_line.match(/\s+end/).nil? || !last_line.match(/function/).nil? # || last_line.match /function/
          last_line = nil
          placeholder = nil
        end
      end

      if line.match /end$/
        unless line.strip == 'end'
          line = line.gsub(/end$/,'')
        end
      end

      new_tracked_code << line
      current_line += 1
    end
    #total_lines += 1
  end

  # NOTE: Keep this to debug before conversion of S-EXP      
  sexp = Ripper::SexpBuilder.new(new_tracked_code.join("\n")).parse
  
  Cauldron::Tracer.new(sexp)

end

#record(example) ⇒ Object 



12
13
14
15
 
# File 'lib/cauldron/solution/composite.rb', line 12

def record(example)
  # TODO params passed twice - and example not used at all
  insert_tracking(example.params).process(example)
end

#reset_and_track(caret) ⇒ Object 



143
144
145
146
 
# File 'lib/cauldron/solution/composite.rb', line 143

def reset_and_track(caret)
  caret.return_depth(0)
  Cauldron::Tracer.tracking(caret.line, caret.current_depth, caret.total_lines)
end

#solution?(problems) ⇒ Boolean

Returns:

  • (Boolean) 


176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
 
# File 'lib/cauldron/solution/composite.rb', line 176

def solution?(problems)
  o = Object.new
  m = %Q{
    def function(#{problems.variables.join(',')})
      #{to_ruby(problems.scope)}
    end
  }
  o.instance_eval(m)

  #o.function *problems.examples.first.arguments
  problems.all? do |example|
    o.function(*example.arguments) == example.response
  end

# TODO: Remove this resque - it is just a temp
rescue NoMethodError => e
  return false
rescue NameError => e
  return false
rescue TypeError => e
  return false
end

#successful?(problem) ⇒ Boolean

TODO Drop this method

Returns:

  • (Boolean) 


200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
 
# File 'lib/cauldron/solution/composite.rb', line 200

def successful?(problem)

  # # TODO track the parameters of the operator
  # operators.trace(problem)

  # # TODO For now just evalute the code
  # return true if problem[:arguments].first == problem[:response]    
  # false

  pt = PryTester.new

  args = problem.arguments
  variables = problem.params #(0...args.length).collect {|x| 'var'+x.to_s}
  a = [
    'def function('+variables.join(',')+');'+self.to_ruby(variables)+"; end", 
    'function('+problem.arguments.collect {|x| to_programme(x) }.join(',')+')'
  ]
  
  res = pt.eval(
    ['def function('+variables.join(',')+');'+self.to_ruby(variables)+"; end", 'function('+problem.arguments.collect {|x| to_programme(x) }.join(',')+')']
  )

  problem.response == res
end

#to_programme(value) ⇒ Object 



225
226
227
228
229
230
 
# File 'lib/cauldron/solution/composite.rb', line 225

def to_programme(value)
  if value.kind_of?(String)
    return %Q{'#{value}'}
  end
  value.to_s
end

#to_ruby(scope) ⇒ Object 



163
164
165
166
 
# File 'lib/cauldron/solution/composite.rb', line 163

def to_ruby(scope)
  return '' if operators.empty?
  Sorcerer.source(to_sexp(scope))
end

#to_sexp(scope = Cauldron::Scope.new) ⇒ Object 



148
149
150
151
152
153
154
155
156
157
158
159
160
161
 
# File 'lib/cauldron/solution/composite.rb', line 148

def to_sexp(scope=Cauldron::Scope.new)

  res = operators.collect do |operator|
    #begin
      operator.content.to_ruby(scope, operator.children)  
    # rescue NoMethodError => e
    #   binding.pry
    # end
    
  end.join("\n")

  sexp = Ripper::SexpBuilder.new(res).parse
  return sexp
end