Class: RLSL::Prism::SourceExtractor

Inherits:
Object
  • Object
show all
Defined in:
lib/rlsl/prism/source_extractor.rb,
lib/rlsl/prism/source_extractor/block_locator.rb

Defined Under Namespace

Classes: BlockLocator, SourceNotAvailable

Instance Method Summary collapse

Constructor Details

#initialize(block_locator = BlockLocator.new) ⇒ SourceExtractor

Returns a new instance of SourceExtractor.



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# File 'lib/rlsl/prism/source_extractor.rb', line 13

def initialize(block_locator = BlockLocator.new)
  @block_locator = block_locator
end

Instance Method Details

#extract(block) ⇒ Object 



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# File 'lib/rlsl/prism/source_extractor.rb', line 17

def extract(block)
  extract_unit(block).to_source
end

#extract_from_string(source) ⇒ Object 



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# File 'lib/rlsl/prism/source_extractor.rb', line 28

def extract_from_string(source)
  source
end

#extract_unit(block) ⇒ Object

Raises:



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# File 'lib/rlsl/prism/source_extractor.rb', line 21

def extract_unit(block)
  file, line_num = block.source_location
  raise SourceNotAvailable, "Block source location not available" unless file && File.exist?(file)

  @block_locator.extract_unit(File.read(file), line_num)
end