Class: BELParser::Language::Syntax::UndefinedNamespace

Inherits:
Object
  • Object
show all
Includes:
SyntaxFunction
Defined in:
lib/bel_parser/language/syntax/undefined_namespace.rb

Overview

Undefined namespace finds parameter prefixes that reference an undefined namespace.

Class Method Summary collapse

Class Method Details

.map(prefix_node, spec, namespaces) ⇒ Object 



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# File 'lib/bel_parser/language/syntax/undefined_namespace.rb', line 13

def self.map(prefix_node, spec, namespaces)
  return nil unless prefix_node.is_a?(BELParser::Parsers::AST::Prefix)

  prefix_identifier = prefix_node.identifier
  return nil if prefix_identifier.nil?

  prefix = prefix_identifier.string_literal
  unless namespaces[prefix]
    UndefinedNamespaceError.new(prefix_node, spec, prefix, namespaces)
  end
end