Class: Parslet::Atoms::Scope

Inherits:
Base
  • Object
show all
Defined in:
lib/parslet/atoms/scope.rb

Overview

Starts a new scope in the parsing process. Please also see the #captures method.

Constant Summary

Constants included from Precedence

Precedence::ALTERNATE, Precedence::BASE, Precedence::LOOKAHEAD, Precedence::OUTER, Precedence::REPETITION, Precedence::SEQUENCE

Instance Attribute Summary collapse

Attributes inherited from Base

#label

Instance Method Summary collapse

Methods inherited from Base

#accept, #inspect, #parse, #parse_with_debug, precedence, #setup_and_apply, #to_s, #try

Methods included from CanFlatten

#flatten, #flatten_repetition, #flatten_sequence, #foldl, #merge_fold, #warn_about_duplicate_keys

Methods included from DSL

#>>, #absent?, #as, #capture, #ignore, #maybe, #present?, #repeat, #|

Constructor Details

#initialize(block) ⇒ Scope

Returns a new instance of Scope.



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# File 'lib/parslet/atoms/scope.rb', line 6

def initialize(block)
  super()

  @block = block
end

Instance Attribute Details

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'lib/parslet/atoms/scope.rb', line 5

def block
  @block
end

Instance Method Details

#apply(source, context, consume_all) ⇒ Object 



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# File 'lib/parslet/atoms/scope.rb', line 16

def apply(source, context, consume_all)
  context.scope do
    parslet = block.call
    return parslet.apply(source, context, consume_all)
  end
end

#cached? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/parslet/atoms/scope.rb', line 12

def cached?
  false
end

#to_s_inner(prec) ⇒ Object 



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# File 'lib/parslet/atoms/scope.rb', line 23

def to_s_inner(prec)
  "scope { #{block.call.to_s(prec)} }"
end