Module: Kumi::Core::RubyParser::Sugar

Includes:
Syntax
Defined in:
lib/kumi/core/ruby_parser/sugar.rb

Defined Under Namespace

Modules: ArrayRefinement, ExpressionRefinement, HashRefinement, ModuleRefinement, NumericRefinement, ProxyRefinement, StringRefinement

Constant Summary collapse

ARITHMETIC_OPS = 
{
  :+ => :add, :- => :subtract, :* => :multiply,
  :/ => :divide, :% => :modulo, :** => :power
}.freeze
COMPARISON_OPS = 
%i[< <= > >= == !=].freeze
LITERAL_TYPES = 
[
  Integer, String, Symbol, TrueClass, FalseClass, Float, Regexp, NilClass
].freeze
COLLECTION_METHODS =

Collection methods that can be applied to arrays/syntax nodes

%i[
  sum size length first last sort reverse unique min max empty? flatten
  map_with_index indices
].freeze

Class Method Summary collapse

Class Method Details

.create_call_expression(fn_name, args) ⇒ Object

Create a call expression with consistent error handling



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# File 'lib/kumi/core/ruby_parser/sugar.rb', line 39

def self.create_call_expression(fn_name, args)
  Kumi::Syntax::CallExpression.new(fn_name, args)
end

.ensure_literal(obj) ⇒ Object 



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# File 'lib/kumi/core/ruby_parser/sugar.rb', line 26

def self.ensure_literal(obj)
  return Kumi::Syntax::Literal.new(obj) if LITERAL_TYPES.any? { |type| obj.is_a?(type) }
  return obj if obj.is_a?(Syntax::Node)
  return obj.to_ast_node if obj.respond_to?(:to_ast_node)

  Kumi::Syntax::Literal.new(obj)
end

.syntax_expression?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kumi/core/ruby_parser/sugar.rb', line 34

def self.syntax_expression?(obj)
  obj.is_a?(Syntax::Node) || obj.respond_to?(:to_ast_node)
end