Class: SlimLint::RubyParser

Inherits:
Object
  • Object
show all
Defined in:
lib/slim_lint/ruby_parser.rb

Overview

Parser for the Ruby language.

This provides a convenient wrapper around the ‘parser` gem and the `astrolabe` integration to go with it. It is intended to be used for linter checks that require deep inspection of Ruby code.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RubyParser

Creates a reusable parser.



15
16
17
18
 
# File 'lib/slim_lint/ruby_parser.rb', line 15

def initialize
  @builder = ::RuboCop::AST::Builder.new
  @parser = ::Parser::CurrentRuby.new(@builder)
end

Instance Method Details

#parse(source) ⇒ Array

Parse the given Ruby source into an abstract syntax tree.

Parameters:

  • source (String) —

    Ruby source code

Returns:

  • (Array) —

    syntax tree in the form returned by Parser gem



24
25
26
27
28
29
30
 
# File 'lib/slim_lint/ruby_parser.rb', line 24

def parse(source)
  buffer = ::Parser::Source::Buffer.new('(string)')
  buffer.source = source

  @parser.reset
  @parser.parse(buffer)
end