Class: Luoma::Expression

Inherits:

Object

• Object
• Luoma::Expression

Defined in:

lib/luoma/expression.rb,
sig/luoma/expression.rbs

Overview

The base class for all expressions.

Direct Known Subclasses

ArrayLiteral, BooleanLiteral, FilteredExpression, FloatLiteral, GroupExpression, IndexSelector, InfixExpression, IntegerLiteral, Lambda, NullLiteral, ObjectLiteral, Predicate, PrefixExpression, RangeLiteral, StringLiteral, TernaryExpression, Variable

Instance Attribute Summary

• #span ⇒ t_token readonly

  Returns the value of attribute span.

• #token ⇒ t_token readonly

  Returns the value of attribute token.

Instance Method Summary

• #children ⇒ Array[_Traversable]

  () -> Array.

• #evaluate(context) ⇒ Object

  (RenderContext) -> untyped.

• #initialize(token) ⇒ Expression constructor

  (t_token) -> void.

• #scope ⇒ Array[Name]

  () -> Array.

• #to_s ⇒ String

Constructor Details

#initialize(token) ⇒ Expression

(t_token) -> void

Parameters:

• token (t_token)

# File 'lib/luoma/expression.rb', line 11

def initialize(token)
  @token = token
  @span = token
end

Instance Attribute Details

#span ⇒ t_token (readonly)

Returns the value of attribute span.

Returns:

• (t_token)

# File 'lib/luoma/expression.rb', line 8

def span
  @span
end

#token ⇒ t_token (readonly)

Returns the value of attribute token.

Returns:

• (t_token)

# File 'lib/luoma/expression.rb', line 8

def token
  @token
end

Instance Method Details

#children ⇒ Array[_Traversable]

() -> Array

Returns:

• (Array[_Traversable])

# File 'sig/luoma/expression.rbs', line 26

def children
  raise "not implemented"
end

#evaluate(context) ⇒ Object

(RenderContext) -> untyped

Parameters:

• context (RenderContext)

Returns:

• (Object)

# File 'lib/luoma/expression.rb', line 17

def evaluate(context)
  raise "not implemented"
end

#scope ⇒ Array[Name]

() -> Array

Returns:

• (Array[Name])

# File 'lib/luoma/expression.rb', line 26

def scope
  []
end

#to_s ⇒ String

Signature:

• () -> String

Returns:

• (String)

# File 'lib/luoma/expression.rb', line 31

def to_s
  raise "not implemented"
end