soml-parser/lib/parser/control.rb
2015-09-15 18:57:31 +03:00

25 lines
836 B
Ruby

module Parser
module Control
include Parslet
rule(:conditional) do
keyword_if >>
left_parenthesis >> (operator_expression|value_expression).as(:conditional) >> right_parenthesis >>
expressions_else.as(:if_true) >> expressions_end.as(:if_false)
end
rule(:small_conditional) do
keyword_if >>
left_parenthesis >> (operator_expression|value_expression).as(:conditional) >> right_parenthesis >>
expressions_end.as(:if_true)
end
rule(:while_do) do
keyword_while >> left_parenthesis >> (operator_expression|value_expression).as(:while_cond) >>
right_parenthesis >> expressions_end.as(:body)
end
rule(:simple_return) do
keyword_return >> (operator_expression|value_expression).as(:return_expression)
end
end
end