Sha256: b7b292f24f07825ab9b11f6423d7ec521e2114b1772ce93cc7d4113c28051000
Contents?: true
Size: 1.97 KB
Versions: 84
Compression:
Stored size: 1.97 KB
Contents
# The base class for the 3x "parse tree", now only used by the top level
# constructs and the compiler.
# Handles things like file name, line #, and also does the initialization
# for all of the parameters of all of the child objects.
#
class Puppet::Parser::AST
AST = Puppet::Parser::AST
include Puppet::Util::Errors
include Puppet::Util::MethodHelper
attr_accessor :parent, :scope, :file, :line, :pos
def inspect
"( #{self.class} #{self.to_s} #{@children.inspect} )"
end
# Evaluate the current object. Just a stub method, since the subclass
# should override this method.
def evaluate(scope)
end
# The version of the evaluate method that should be called, because it
# correctly handles errors. It is critical to use this method because
# it can enable you to catch the error where it happens, rather than
# much higher up the stack.
def safeevaluate(scope)
# We duplicate code here, rather than using exceptwrap, because this
# is called so many times during parsing.
begin
return self.evaluate(scope)
rescue Puppet::Error => detail
raise adderrorcontext(detail)
rescue => detail
error = Puppet::ParseError.new(detail.to_s, nil, nil, detail)
# We can't use self.fail here because it always expects strings,
# not exceptions.
raise adderrorcontext(error, detail)
end
end
# Initialize the object. Requires a hash as the argument, and
# takes each of the parameters of the hash and calls the setter
# method for them. This is probably pretty inefficient and should
# likely be changed at some point.
def initialize(args)
set_options(args)
end
end
# And include all of the AST subclasses.
require 'puppet/parser/ast/branch'
require 'puppet/parser/ast/leaf'
require 'puppet/parser/ast/block_expression'
require 'puppet/parser/ast/hostclass'
require 'puppet/parser/ast/node'
require 'puppet/parser/ast/resource'
require 'puppet/parser/ast/resource_instance'
require 'puppet/parser/ast/resourceparam'
Version data entries
84 entries across 84 versions & 2 rubygems