Module: Solargraph::Parser::Legacy::NodeMethods
- Included in:
- NodeChainer, Solargraph::Parser::Legacy::NodeProcessors::CasgnNode, Solargraph::Parser::Legacy::NodeProcessors::DefsNode, Solargraph::Parser::Legacy::NodeProcessors::IvasgnNode, Solargraph::Parser::Legacy::NodeProcessors::LvasgnNode, Solargraph::Parser::Legacy::NodeProcessors::NamespaceNode, Solargraph::Parser::Legacy::NodeProcessors::ResbodyNode, Solargraph::Parser::Legacy::NodeProcessors::SendNode
- Defined in:
- lib/solargraph/parser/legacy/node_methods.rb
Defined Under Namespace
Modules: DeepInference
Constant Summary collapse
- NIL_NODE =
::Parser::AST::Node.new(:nil)
Class Method Summary collapse
- .call_nodes_from(node) ⇒ Object
- .const_nodes_from(node) ⇒ Object
- .convert_hash(node) ⇒ Object
- .drill_signature(node, signature) ⇒ Object
- .find_recipient_node(cursor) ⇒ Object
- .get_node_end_position(node) ⇒ Position
- .get_node_start_position(node) ⇒ Position
- .infer_literal_node_type(node) ⇒ String?
- .pack_name(node) ⇒ Array<String>
-
.returns_from(node) ⇒ Array<Parser::AST::Node>
Find all the nodes within the provided node that potentially return a value.
- .unpack_name(node) ⇒ String
Class Method Details
.call_nodes_from(node) ⇒ Object
TODO:
Temporarily here for testing. Move to Solargraph::Parser.
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 122 def call_nodes_from node return [] unless node.is_a?(::Parser::AST::Node) result = [] if node.type == :block result.push node node.children[0].children[2..-1].each { |child| result.concat call_nodes_from(child) } node.children[1..-1].each { |child| result.concat call_nodes_from(child) } elsif node.type == :send result.push node node.children[2..-1].each { |child| result.concat call_nodes_from(child) } elsif [:super, :zsuper].include?(node.type) result.push node node.children.each { |child| result.concat call_nodes_from(child) } elsif node.type == :masgn # @todo We're treating a mass assignment as a call node, but the # type checker still needs the logic to handle it. result.push node else node.children.each { |child| result.concat call_nodes_from(child) } end result end |
.const_nodes_from(node) ⇒ Object
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 110 def const_nodes_from node return [] unless Parser.is_ast_node?(node) result = [] if node.type == :const result.push node else node.children.each { |child| result.concat const_nodes_from(child) } end result end |
.convert_hash(node) ⇒ Object
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 99 def convert_hash node return {} unless Parser.is_ast_node?(node) && node.type == :hash result = {} node.children.each do |pair| result[pair.children[0].children[0]] = Solargraph::Parser.chain(pair.children[1]) end result end |
.drill_signature(node, signature) ⇒ Object
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 78 def drill_signature node, signature return signature unless node.is_a?(AST::Node) if node.type == :const or node.type == :cbase unless node.children[0].nil? signature += drill_signature(node.children[0], signature) end signature += '::' unless signature.empty? signature += node.children[1].to_s elsif node.type == :lvar or node.type == :ivar or node.type == :cvar signature += '.' unless signature.empty? signature += node.children[0].to_s elsif node.type == :send unless node.children[0].nil? signature += drill_signature(node.children[0], signature) end signature += '.' unless signature.empty? signature += node.children[1].to_s end signature end |
.find_recipient_node(cursor) ⇒ Object
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 162 def find_recipient_node cursor source = cursor.source position = cursor.position offset = cursor.offset tree = if source.synchronized? match = source.code[0..offset-1].match(/,\s*\z/) if match source.tree_at(position.line, position.column - match[0].length) else source.tree_at(position.line, position.column) end else source.tree_at(position.line, position.column - 1) end prev = nil tree.each do |node| if node.type == :send args = node.children[2..-1] if !args.empty? return node if prev && args.include?(prev) else if source.synchronized? return node if source.code[0..offset-1] =~ /\(\s*\z/ && source.code[offset..-1] =~ /^\s*\)/ else return node if source.code[0..offset-1] =~ /\([^\(]*\z/ end end end prev = node end nil end |
.get_node_end_position(node) ⇒ Position
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 74 def get_node_end_position(node) Position.new(node.loc.last_line, node.loc.last_column) end |
.get_node_start_position(node) ⇒ Position
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 68 def get_node_start_position(node) Position.new(node.loc.line, node.loc.column) end |
.infer_literal_node_type(node) ⇒ String?
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 39 def infer_literal_node_type node return nil unless node.is_a?(AST::Node) if node.type == :str || node.type == :dstr return '::String' elsif node.type == :array return '::Array' elsif node.type == :hash return '::Hash' elsif node.type == :int return '::Integer' elsif node.type == :float return '::Float' elsif node.type == :sym return '::Symbol' elsif node.type == :regexp return '::Regexp' elsif node.type == :irange return '::Range' elsif node.type == :true || node.type == :false return '::Boolean' # @todo Support `nil` keyword in types # elsif node.type == :nil # return 'NilClass' end nil end |
.pack_name(node) ⇒ Array<String>
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 19 def pack_name(node) parts = [] if node.is_a?(AST::Node) node.children.each { |n| if n.is_a?(AST::Node) if n.type == :cbase parts = [''] + pack_name(n) else parts += pack_name(n) end else parts.push n unless n.nil? end } end parts end |
.returns_from(node) ⇒ Array<Parser::AST::Node>
Find all the nodes within the provided node that potentially return a value.
The node parameter typically represents a method’s logic, e.g., the second child (after the :args node) of a :def node. A simple one-line method would typically return itself, while a node with conditions would return the resulting node from each conditional branch. Nodes that follow a :return node are assumed to be unreachable. Nil values are converted to nil node types.
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 157 def returns_from node DeepInference.get_return_nodes(node).map { |n| n || NIL_NODE } end |
.unpack_name(node) ⇒ String
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# File 'lib/solargraph/parser/legacy/node_methods.rb', line 13 def unpack_name(node) pack_name(node).join("::") end |