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Versions: 17
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Stored size: 1.08 KB
Contents
require 'puppet/parser/ast/branch'
class Puppet::Parser::AST
class BlockExpression < Branch
include Enumerable
# Evaluate contained expressions, produce result of the last
def evaluate(scope)
result = nil
@children.each do |child|
# Skip things that respond to :instantiate (classes, nodes,
# and definitions), because they have already been
# instantiated.
if !child.respond_to?(:instantiate)
result = child.safeevaluate(scope)
end
end
result
end
# Return a child by index.
def [](index)
@children[index]
end
def push(*ary)
ary.each { |child|
#Puppet.debug "adding %s(%s) of type %s to %s" %
# [child, child.object_id, child.class.to_s.sub(/.+::/,''),
# self.object_id]
@children.push(child)
}
self
end
def sequence_with(other)
Puppet::Parser::AST::BlockExpression.new(:children => self.children + other.children)
end
def to_s
"[" + @children.collect { |c| c.to_s }.join(', ') + "]"
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems