Sha256: 068feff10e4bf4028d9e014e7ce7db60410404a9d185324d0d53f55c61807843
Contents?: true
Size: 498 Bytes
Versions: 372
Compression:
Stored size: 498 Bytes
Contents
module Treetop
module Compiler
class Optional < ParsingExpression
def compile(address, builder, parent_expression)
super
use_vars :result
obtain_new_subexpression_address
parent_expression.atomic.compile(subexpression_address, builder)
builder.if__ subexpression_success? do
assign_result subexpression_result_var
end
builder.else_ do
assign_result epsilon_node
end
end
end
end
end
Version data entries
372 entries across 327 versions & 43 rubygems