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Contents
# Author:: Eric Crane (mailto:eric.crane@mac.com)
# Copyright:: Copyright (c) 2019 Eric Crane. All rights reserved.
#
# Create an object, optionally of a type.
#
module Gloo
module Verbs
class Create < Gloo::Core::Verb
KEYWORD = 'create'.freeze
KEYWORD_SHORT = '`'.freeze
AS = 'as'.freeze
VAL = ':'.freeze
NO_NAME_ERR = 'Object name is missing!'.freeze
#
# Run the verb.
#
def run
name = @tokens.second
type = @tokens.after_token( AS )
value = @tokens.after_token( VAL )
unless name
@engine.err NO_NAME_ERR
return
end
create name, type, value
end
#
# Get the Verb's keyword.
#
def self.keyword
return KEYWORD
end
#
# Get the Verb's keyword shortcut.
#
def self.keyword_shortcut
return KEYWORD_SHORT
end
# ---------------------------------------------------------------------
# Private functions
# ---------------------------------------------------------------------
private
#
# Create an object with given name of given type with
# the given initial value.
#
def create( name, type, value )
if Gloo::Expr::LString.string?( value )
value = Gloo::Expr::LString.strip_quotes( value )
end
# Check to see if this is an alias
pn = Gloo::Core::Pn.new( @engine, name )
obj = pn.resolve if pn
name = obj.value if obj&.is_alias?
obj = @engine.factory.create( { name: name, type: type, value: value } )
obj.add_default_children if obj&.add_children_on_create?
@engine.heap.it.set_to value
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems