Sha256: d097363be0b3c654732505a7278965ffe6118bb4cfc2801ec1b5c7bc0651bd06
Contents?: true
Size: 887 Bytes
Versions: 279
Compression:
Stored size: 887 Bytes
Contents
module Treetop
module Compiler
class CharacterClass < AtomicExpression
def compile(address, builder, parent_expression = nil)
super
builder.if__ "has_terminal?(#{grounded_regexp(text_value)}, true, index)" do
if address == 0 || decorated?
assign_result "instantiate_node(#{node_class_name},input, index...(index + 1))"
extend_result_with_inline_module
else
assign_lazily_instantiated_node
end
builder << "@index += 1"
end
builder.else_ do
# "terminal_parse_failure(#{single_quote(characters)})"
assign_result 'nil'
end
end
def grounded_regexp(string)
# Double any backslashes, then backslash any single-quotes:
"'\\G#{string.gsub(/\\/) { '\\\\' }.gsub(/'/) { "\\'"}}'"
end
end
end
end
Version data entries
279 entries across 234 versions & 34 rubygems