Class: Synvert::Core::Rewriter::Action

Inherits:
Object
  • Object
show all
Defined in:
lib/synvert/core/rewriter/action.rb

Overview

Action defines rewriter action, insert, replace or delete code.

Constant Summary collapse

DEFAULT_INDENT = 
2

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(instance, code) ⇒ Action

Initialize an action.

Parameters:



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# File 'lib/synvert/core/rewriter/action.rb', line 18

def initialize(instance, code)
  @instance = instance
  @code = code
  @node = @instance.current_node
end

Instance Attribute Details

#begin_pos ⇒ Integer (readonly)

Returns begin position.

Returns:

  • (Integer) —

    begin position



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# File 'lib/synvert/core/rewriter/action.rb', line 12

def begin_pos
  @begin_pos
end

#end_pos ⇒ Object (readonly)

Returns the value of attribute end_pos.



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# File 'lib/synvert/core/rewriter/action.rb', line 12

attr_reader :begin_pos, :end_pos

Instance Method Details

#process ⇒ Synvert::Core::Rewriter::Action

Calculate begin and end positions, and return self.

Returns:



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# File 'lib/synvert/core/rewriter/action.rb', line 27

def process
  calculate_position
  self
end

#rewritten_code ⇒ String

The rewritten source code with proper indent.

Returns:

  • (String) —

    rewritten code.



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# File 'lib/synvert/core/rewriter/action.rb', line 35

def rewritten_code
  if rewritten_source.split("\n").length > 1
    "\n\n" + rewritten_source.split("\n").map { |line| indent(@node) + line }
                             .join("\n")
  else
    "\n" + indent(@node) + rewritten_source
  end
end