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Diffstat (limited to 'ruby_2_2/ext/ripper/lib/ripper.rb')
| -rw-r--r-- | ruby_2_2/ext/ripper/lib/ripper.rb | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/ruby_2_2/ext/ripper/lib/ripper.rb b/ruby_2_2/ext/ripper/lib/ripper.rb deleted file mode 100644 index 542bd405d2..0000000000 --- a/ruby_2_2/ext/ripper/lib/ripper.rb +++ /dev/null @@ -1,73 +0,0 @@ -require 'ripper/core' -require 'ripper/lexer' -require 'ripper/filter' -require 'ripper/sexp' - -# Ripper is a Ruby script parser. -# -# You can get information from the parser with event-based style. -# Information such as abstract syntax trees or simple lexical analysis of the -# Ruby program. -# -# == Usage -# -# Ripper provides an easy interface for parsing your program into a symbolic -# expression tree (or S-expression). -# -# Understanding the output of the parser may come as a challenge, it's -# recommended you use PP to format the output for legibility. -# -# require 'ripper' -# require 'pp' -# -# pp Ripper.sexp('def hello(world) "Hello, #{world}!"; end') -# #=> [:program, -# [[:def, -# [:@ident, "hello", [1, 4]], -# [:paren, -# [:params, [[:@ident, "world", [1, 10]]], nil, nil, nil, nil, nil, nil]], -# [:bodystmt, -# [[:string_literal, -# [:string_content, -# [:@tstring_content, "Hello, ", [1, 18]], -# [:string_embexpr, [[:var_ref, [:@ident, "world", [1, 27]]]]], -# [:@tstring_content, "!", [1, 33]]]]], -# nil, -# nil, -# nil]]]] -# -# You can see in the example above, the expression starts with +:program+. -# -# From here, a method definition at +:def+, followed by the method's identifier -# <code>:@ident</code>. After the method's identifier comes the parentheses -# +:paren+ and the method parameters under +:params+. -# -# Next is the method body, starting at +:bodystmt+ (+stmt+ meaning statement), -# which contains the full definition of the method. -# -# In our case, we're simply returning a String, so next we have the -# +:string_literal+ expression. -# -# Within our +:string_literal+ you'll notice two <code>@tstring_content</code>, -# this is the literal part for <code>Hello, </code> and <code>!</code>. Between -# the two <code>@tstring_content</code> statements is a +:string_embexpr+, -# where _embexpr_ is an embedded expression. Our expression consists of a local -# variable, or +var_ref+, with the identifier (<code>@ident</code>) of +world+. -# -# == Resources -# -# * {Ruby Inside}[http://www.rubyinside.com/using-ripper-to-see-how-ruby-is-parsing-your-code-5270.html] -# -# == Requirements -# -# * ruby 1.9 (support CVS HEAD only) -# * bison 1.28 or later (Other yaccs do not work) -# -# == License -# -# Ruby License. -# -# Minero Aoki -# aamine@loveruby.net -# http://i.loveruby.net -class Ripper; end |