Class: Expressive::TopLevel

Inherits:
Scope
  • Object
show all
Defined in:
lib/scope.rb

Instance Method Summary collapse

Methods inherited from Scope

#[], #[]=, #define, #merge, #override_scope, #retrieve_scope, #syntax

Constructor Details

#initialize ⇒ TopLevel

Returns a new instance of TopLevel.



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# File 'lib/scope.rb', line 66

def initialize
  super

  syntax('set') do |scope, cells|
    scope[cells.first.text_value] = cells[1].eval(scope)
  end

  syntax('post') do |scope, cells|
    perform_webhook(:post, scope, cells)
  end

  syntax('put') do |scope, cells|
    perform_webhook(:put, scope, cells)
  end

  syntax('get') do |scope, cells|
    perform_webhook(:get, scope, cells)
  end

  define('+') {|a,b| a.to_f + b.to_f }
  define('-') {|a,b| a.to_f - b.to_f }
  define('*') {|a,b| a.to_f * b.to_f }
  define('/') {|a,b| a.to_f / b.to_f }
  define('=') {|a,b| a == b }
  define('>') {|a,b| a.to_f > b.to_f }
  define('<') {|a,b| a.to_f < b.to_f }
  define('>=') {|a,b| a.to_f >= b.to_f }
  define('<=') {|a,b| a.to_f <= b.to_f }
  define('and') {|a,b| !!a && !!b }
  define('or') {|a,b| !!a || !!b }
  define('sum') { |*args| args.flatten.map(&:to_f).reduce(:+) }
  define('if') { |*args| args.compact!; args[0] ? args[1] : args[2] }
end

Instance Method Details

#to_hash ⇒ Object 



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# File 'lib/scope.rb', line 100

def to_hash
  h = self.retrieve_scope.dup
  h.delete_if{|k, v| v.kind_of?(Expressive::Function)}
end