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# frozen_string_literal: true
module Prism
# There are many files in prism that are templated to handle every node type,
# which means the files can end up being quite large. We autoload them to make
# our require speed faster since consuming libraries are unlikely to use all
# of these features.
autoload :BasicVisitor, "prism/visitor"
autoload :Compiler, "prism/compiler"
autoload :Debug, "prism/debug"
autoload :DesugarCompiler, "prism/desugar_compiler"
autoload :Dispatcher, "prism/dispatcher"
autoload :DSL, "prism/dsl"
autoload :LexCompat, "prism/lex_compat"
autoload :LexRipper, "prism/lex_compat"
autoload :MutationCompiler, "prism/mutation_compiler"
autoload :NodeInspector, "prism/node_inspector"
autoload :RipperCompat, "prism/ripper_compat"
autoload :Pack, "prism/pack"
autoload :Pattern, "prism/pattern"
autoload :Serialize, "prism/serialize"
autoload :Visitor, "prism/visitor"
# Some of these constants are not meant to be exposed, so marking them as
# private here.
private_constant :Debug
private_constant :LexCompat
private_constant :LexRipper
# Returns an array of tokens that closely resembles that of the Ripper lexer.
# The only difference is that since we don't keep track of lexer state in the
# same way, it's going to always return the NONE state.
def self.lex_compat(source, filepath = "")
LexCompat.new(source, filepath).result
end
# This lexes with the Ripper lex. It drops any space events but otherwise
# returns the same tokens. Raises SyntaxError if the syntax in source is
# invalid.
def self.lex_ripper(source)
LexRipper.new(source).result
end
# Load the serialized AST using the source as a reference into a tree.
def self.load(source, serialized)
Serialize.load(source, serialized)
end
end
require_relative "prism/node"
require_relative "prism/node_ext"
require_relative "prism/parse_result"
require_relative "prism/parse_result/comments"
require_relative "prism/parse_result/newlines"
# This is a Ruby implementation of the prism parser. If we're running on CRuby
# and we haven't explicitly set the PRISM_FFI_BACKEND environment variable, then
# it's going to require the built library. Otherwise, it's going to require a
# module that uses FFI to call into the library.
if RUBY_ENGINE == "ruby" and !ENV["PRISM_FFI_BACKEND"]
require "prism/prism"
else
require_relative "prism/ffi"
end
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