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Size: 1.78 KB
Versions: 10
Compression:
Stored size: 1.78 KB
Contents
module Dry
module Types
class Compiler
attr_reader :registry
def initialize(registry)
@registry = registry
end
def call(ast)
visit(ast)
end
def visit(node, *args)
send(:"visit_#{node[0]}", node[1], *args)
end
def visit_constructor(node)
primitive, fn = node
Types::Constructor.new(primitive, &fn)
end
def visit_type(node)
type, args = node
meth = :"visit_#{type.tr('.', '_')}"
if respond_to?(meth) && args
send(meth, args)
else
registry[type]
end
end
def visit_sum(node)
node.map { |type| visit(type) }.reduce(:|)
end
def visit_array(node)
registry['array'].member(call(node))
end
def visit_form_array(node)
registry['form.array'].member(call(node))
end
def visit_json_array(node)
registry['json.array'].member(call(node))
end
def visit_hash(node)
constructor, schema = node
merge_with('hash', constructor, schema)
end
def visit_form_hash(node)
if node
constructor, schema = node
merge_with('form.hash', constructor, schema)
else
registry['form.hash']
end
end
def visit_json_hash(node)
if node
constructor, schema = node
merge_with('json.hash', constructor, schema)
else
registry['json.hash']
end
end
def visit_key(node)
name, types = node
{ name => visit(types) }
end
def merge_with(hash_id, constructor, schema)
registry[hash_id].__send__(
constructor, schema.map { |key| visit(key) }.reduce({}, :merge)
)
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems