Class: OrExpression

Inherits:
CompoundExpression show all
Defined in:
lib/glark/match/or.rb

Overview

A collection of expressions, evaluated as ‘or’.

Direct Known Subclasses

ExclusiveOrExpression, InclusiveOrExpression

Instance Attribute Summary

Attributes inherited from CompoundExpression

#ops

Attributes inherited from Expression

#matches

Instance Method Summary collapse

Methods inherited from CompoundExpression

#==, #initialize, #reset_file, #start_position

Methods inherited from Expression

#add_match, #initialize, #process, #reset_file, #start_position, #to_s

Constructor Details

This class inherits a constructor from CompoundExpression

Instance Method Details

#end_position ⇒ Object 



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# File 'lib/glark/match/or.rb', line 32

def end_position
  @last_end
end

#evaluate(line, lnum, file, formatter) ⇒ Object 



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# File 'lib/glark/match/or.rb', line 10

def evaluate line, lnum, file, formatter
  matched_ops = @ops.select do |op|
    op.evaluate line, lnum, file, formatter
  end

  if is_match? matched_ops
    lastmatch          = matched_ops[-1]
    @last_start        = lastmatch.start_position
    @last_end          = lastmatch.end_position
    @match_line_number = lnum
    
    add_match lnum
    true
  else
    false
  end
end

#explain(level = 0) ⇒ Object 



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# File 'lib/glark/match/or.rb', line 36

def explain level = 0
  str  = " " * level + criteria + ":\n"
  str += @ops.collect { |op| op.explain(level + 4) }.join(" " * level + operator + "\n")
  str
end

#inspect ⇒ Object 



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# File 'lib/glark/match/or.rb', line 28

def inspect
  "(" + @ops.collect { |op| op.to_s }.join(" " + operator + " ") + ")"
end