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Contents
RSpec::Support.require_rspec_core 'source/node'
RSpec::Support.require_rspec_core 'source/syntax_highlighter'
RSpec::Support.require_rspec_core 'source/token'
module RSpec
module Core
# @private
# Represents a Ruby source file and provides access to AST and tokens.
class Source
attr_reader :source, :path
def self.from_file(path)
source = File.read(path)
new(source, path)
end
def initialize(source_string, path=nil)
@source = source_string
@path = path ? File.expand_path(path) : '(string)'
end
def lines
@lines ||= source.split("\n")
end
def ast
@ast ||= begin
require 'ripper'
sexp = Ripper.sexp(source)
raise SyntaxError unless sexp
Node.new(sexp)
end
end
def tokens
@tokens ||= begin
require 'ripper'
tokens = Ripper.lex(source)
Token.tokens_from_ripper_tokens(tokens)
end
end
def nodes_by_line_number
@nodes_by_line_number ||= begin
nodes_by_line_number = ast.select(&:location).group_by { |node| node.location.line }
Hash.new { |hash, key| hash[key] = [] }.merge(nodes_by_line_number)
end
end
def tokens_by_line_number
@tokens_by_line_number ||= begin
nodes_by_line_number = tokens.group_by { |token| token.location.line }
Hash.new { |hash, key| hash[key] = [] }.merge(nodes_by_line_number)
end
end
def inspect
"#<#{self.class} #{path}>"
end
# @private
class Cache
attr_reader :syntax_highlighter
def initialize(configuration)
@sources_by_path = {}
@syntax_highlighter = SyntaxHighlighter.new(configuration)
end
def source_from_file(path)
@sources_by_path[path] ||= Source.from_file(path)
end
end
end
end
end
Version data entries
25 entries across 24 versions & 7 rubygems