soml-parser/lib/parser/expression.rb
2014-06-04 19:55:04 +03:00

19 lines
576 B
Ruby

module Parser
module Expression
include Parslet
rule(:value_expression) { call_site | basic_type }
rule(:expression) { (simple_return | while_do | conditional | operator_expression | call_site ) >> newline }
def delimited_expressions( delimit )
( (delimit.absent? >> expression).repeat(1)).as(:expressions) >> delimit
end
rule(:expressions_do) { delimited_expressions(keyword_do) }
rule(:expressions_else) { delimited_expressions(keyword_else) }
rule(:expressions_end) { delimited_expressions(keyword_end) }
end
end