soml-parser/lib/parser/soml.rb

36 lines
1.1 KiB
Ruby

require_relative "basic_types"
require_relative "compound_types"
require_relative "tokens"
require_relative "keywords"
require_relative "statement"
require_relative "call_site"
require_relative "function_definition"
require_relative "class_definition"
require_relative "operators"
module Parser
# obviously a work in progress !!
# We "compose" the parser from bits, divide and hopefully conquer
# a note about .maybe : .maybe is almost every respect the same as .repeat(0,1)
# so either 0, or 1, in other words maybe. Nice feature, but there are strings attached:
# a maybe removes the 0 a sequence (array) to a single (hash). Thus 2 transformations are needed
# More work than the prettiness is worth, so only use .maybe on something that does not need capturing
class Salama < Parslet::Parser
include BasicTypes
include CompoundTypes
include Tokens
include Keywords
include Statement
include CallSite
include FunctionDefinition
include Operators
include ModuleDef
rule(:root_body) {( class_definition | function_definition )}
rule(:root) { root_body.repeat.as(:statement_list) }
end
end