Class: Solargraph::Source::SourceChainer
- Inherits:
-
Object
- Object
- Solargraph::Source::SourceChainer
- Defined in:
- lib/solargraph/source/source_chainer.rb
Overview
Information about a location in a source, including the location’s word and signature, literal values at the base of signatures, and whether the location is inside a string or comment. ApiMaps use Fragments to provide results for completion and definition queries.
Class Method Summary collapse
Instance Method Summary collapse
- #chain ⇒ Source::Chain
-
#initialize(source, position) ⇒ SourceChainer
constructor
A new instance of SourceChainer.
Constructor Details
#initialize(source, position) ⇒ SourceChainer
Returns a new instance of SourceChainer.
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# File 'lib/solargraph/source/source_chainer.rb', line 26 def initialize source, position @source = source @position = position @calculated_literal = false end |
Class Method Details
.chain(source, position) ⇒ Source::Chain
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# File 'lib/solargraph/source/source_chainer.rb', line 19 def chain source, position new(source, position).chain end |
Instance Method Details
#chain ⇒ Source::Chain
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# File 'lib/solargraph/source/source_chainer.rb', line 33 def chain # Special handling for files that end with an integer and a period return Chain.new([Chain::Literal.new('Integer'), Chain::UNDEFINED_CALL]) if phrase =~ /^[0-9]+\.$/ return Chain.new([Chain::Literal.new('Symbol')]) if phrase.start_with?(':') && !phrase.start_with?('::') begin return Chain.new([]) if phrase.end_with?('..') node = nil parent = nil if !source.repaired? && source.parsed? && source.synchronized? tree = source.tree_at(position.line, position.column) # node, parent = source.tree_at(position.line, position.column)[0..2] tree.shift while tree.length > 1 && tree.first.type == :SCOPE node, parent = tree[0..2] elsif source.parsed? && source.repaired? && end_of_phrase == '.' node, parent = source.tree_at(fixed_position.line, fixed_position.column)[0..2] node = Parser.parse(fixed_phrase) if node.nil? else node, parent = source.tree_at(fixed_position.line, fixed_position.column)[0..2] unless source.error_ranges.any?{|r| r.nil? || r.include?(fixed_position)} # Exception for positions that chain literal nodes in unsynchronized sources node = nil unless source.synchronized? || !Parser.infer_literal_node_type(node).nil? node = Parser.parse(fixed_phrase) if node.nil? end rescue Parser::SyntaxError return Chain.new([Chain::UNDEFINED_CALL]) end return Chain.new([Chain::UNDEFINED_CALL]) if node.nil? || (node.type == :sym && !phrase.start_with?(':')) # chain = NodeChainer.chain(node, source.filename, parent && parent.type == :block) chain = Parser.chain(node, source.filename, parent && [:ITER, :block].include?(parent.type)) if source.repaired? || !source.parsed? || !source.synchronized? if end_of_phrase.strip == '.' chain.links.push Chain::UNDEFINED_CALL elsif end_of_phrase.strip == '::' chain.links.push Chain::UNDEFINED_CONSTANT end elsif chain.links.last.is_a?(Source::Chain::Constant) && end_of_phrase.strip == '::' && !source.code[Position.to_offset(source.code, position)].match?(/[a-z]/i) chain.links.push Source::Chain::UNDEFINED_CONSTANT end chain end |