Class: BOAST::If

Inherits:
ControlStructure show all
Defined in:
lib/BOAST/If.rb

Constant Summary collapse

@@c_strings = 
{
  :if => '"if (#{cond}) {"',
  :else_if => '"} else if (#{cond}) {"',
  :else => '"} else {"',
  :end => '"}"'
}
@@f_strings = 
{
  :if => '"if (#{cond}) then"',
  :elsif => '"else if (#{cond}) then"',
  :else => '"else"',
  :end => '"end if"'
}
@@strings = 
{
  C => @@c_strings,
  CL => @@c_strings,
  CUDA => @@c_strings,
  FORTRAN => @@f_strings
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from ControlStructure

inherited, token_string_generator

Methods included from Inspectable

#inspect

Methods included from PrivateStateAccessor

private_boolean_state_accessor, private_state_accessor

Constructor Details

#initialize(*conditions, &block) ⇒ If

Returns a new instance of If.



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# File 'lib/BOAST/If.rb', line 7

def initialize(*conditions, &block)
  @conditions = []
  @blocks = []
  if conditions.size == 0 then
    raise "Illegal if construct!"
  elsif conditions.size == 1 then
    @conditions.push(conditions[0])
    @blocks.push(block)
  elsif conditions.size.even? then
    (0..conditions.size-1).step(2) { |i|
      @conditions[i/2] = conditions[i]
      @blocks[i/2] = conditions[i+1]
    }
  else
    (0..conditions.size-2).step(2) { |i|
      @conditions[i/2] = conditions[i]
      @blocks[i/2] = conditions[i+1]
    }
    @blocks.push(conditions.last)
  end
end

Instance Attribute Details

#conditions ⇒ Object (readonly)

Returns the value of attribute conditions.



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# File 'lib/BOAST/If.rb', line 5

def conditions
  @conditions
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/BOAST/If.rb', line 97

def close
  decrement_indent_level
  s = ""
  s += indent
  s += end_string
  output.puts s
  return self
end

#open ⇒ Object 



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# File 'lib/BOAST/If.rb', line 69

def open
  s=""
  s += indent
  s += to_s
  output.puts s
  increment_indent_level
  return self
end

#pr(*args) ⇒ Object 



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# File 'lib/BOAST/If.rb', line 78

def pr(*args)
  if @blocks.size > 0 then
    increment_indent_level
    @blocks.each_index { |indx|
      decrement_indent_level
      s=""
      s += indent
      s += to_s(indx)
      output.puts s
      increment_indent_level
      @blocks[indx].call(*args)
    }
    close
  else
    open
  end
  return self
end

#to_s(condition_number = 0) ⇒ Object 



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# File 'lib/BOAST/If.rb', line 55

def to_s(condition_number = 0)
  s = ""
  if condition_number == 0 then
    s += if_string(@conditions.first)
  else
    if @conditions[condition_number] then
      s += elsif_string(@conditions[condition_number])
    else
      s += else_string
    end
  end
  return s
end