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# frozen_string_literal: true # The Prism Ruby parser. # # "Parsing Ruby is suddenly manageable!" # - You, hopefully # 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 :DotVisitor, "prism/dot_visitor" 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 # :call-seq: # Prism::lex_compat(source, **options) -> ParseResult # # Returns a parse result whose value is an array of tokens that closely # resembles the return value of Ripper::lex. The main difference is that the # `:on_sp` token is not emitted. # # For supported options, see Prism::parse. def self.lex_compat(source, **options) LexCompat.new(source, **options).result end # :call-seq: # Prism::lex_ripper(source) -> Array # # 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 # :call-seq: # Prism::load(source, serialized) -> ParseResult # # Load the serialized AST using the source as a reference into a tree. def self.load(source, serialized) Serialize.load(source, serialized) end # :call-seq: # Prism::parse_failure?(source, **options) -> bool # # Returns true if the source parses with errors. def self.parse_failure?(source, **options) !parse_success?(source, **options) end # :call-seq: # Prism::parse_file_failure?(filepath, **options) -> bool # # Returns true if the file at filepath parses with errors. def self.parse_file_failure?(filepath, **options) !parse_file_success?(filepath, **options) 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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