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# The EppParser is a specialized Puppet Parser that starts parsing in Epp Text mode
class Puppet::Pops::Parser::EppParser < Puppet::Pops::Parser::Parser
# Initializes the epp parser support by creating a new instance of {Puppet::Pops::Parser::Lexer}
# configured to start in Epp Lexing mode.
# @return [void]
#
def initvars
self.lexer = Puppet::Pops::Parser::Lexer2.new()
end
# Parses a file expected to contain epp text/DSL logic.
def parse_file(file)
unless FileTest.exist?(file)
unless file =~ /\.epp$/
file = file + ".epp"
end
end
@lexer.file = file
_parse()
end
# Performs the parsing and returns the resulting model.
# The lexer holds state, and this is setup with {#parse_string}, or {#parse_file}.
#
# TODO: deal with options containing origin (i.e. parsing a string from externally known location).
# TODO: should return the model, not a Hostclass
#
# @api private
#
def _parse()
begin
@yydebug = false
main = yyparse(@lexer,:scan_epp)
# #Commented out now because this hides problems in the racc grammar while developing
# # TODO include this when test coverage is good enough.
# rescue Puppet::ParseError => except
# except.line ||= @lexer.line
# except.file ||= @lexer.file
# except.pos ||= @lexer.pos
# raise except
# rescue => except
# raise Puppet::ParseError.new(except.message, @lexer.file, @lexer.line, @lexer.pos, except)
end
return main
ensure
@lexer.clear
@namestack = []
@definitions = []
end
end
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