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Editing File: /opt/cpanel/ea-ruby24/root/usr/share/ri/system/Ripper/cdesc-Ripper.ri

U:RDoc::NormalClass[iI"Ripper:ET@I"Object;To:RDoc::Markup::Document:@parts[o;;[#o:RDoc::Markup::Paragraph;[I"$Ripper is a Ruby script parser.;To:RDoc::Markup::BlankLine�o;	;[I"EYou can get information from the parser with event-based style. ;TI"QInformation such as abstract syntax trees or simple lexical analysis of the ;TI"Ruby program.;T@S:RDoc::Markup::Heading:
leveli:	textI"
Usage;T@o;	;[I"PRipper provides an easy interface for parsing your program into a symbolic ;TI"'expression tree (or S-expression).;T@o;	;[I"JUnderstanding the output of the parser may come as a challenge, it's ;TI"@recommended you use PP to format the output for legibility.;T@o:RDoc::Markup::Verbatim;[I"require 'ripper'
;TI"require 'pp'
;TI"
;TI"@pp Ripper.sexp('def hello(world) "Hello, #{world}!"; end')
;TI"  #=> [:program,
;TI"       [[:def,
;TI"*         [:@ident, "hello", [1, 4]],
;TI"         [:paren,
;TI"X          [:params, [[:@ident, "world", [1, 10]]], nil, nil, nil, nil, nil, nil]],
;TI"         [:bodystmt,
;TI""          [[:string_literal,
;TI"#            [:string_content,
;TI";             [:@tstring_content, "Hello, ", [1, 18]],
;TI"P             [:string_embexpr, [[:var_ref, [:@ident, "world", [1, 27]]]]],
;TI"8             [:@tstring_content, "!", [1, 33]]]]],
;TI"          nil,
;TI"          nil,
;TI"          nil]]]]
;T:@format0o;	;[I"MYou can see in the example above, the expression starts with +:program+.;T@o;	;[I"SFrom here, a method definition at +:def+, followed by the method's identifier ;TI"O<code>:@ident</code>. After the method's identifier comes the parentheses ;TI"8+:paren+ and the method parameters under +:params+.;T@o;	;[I"RNext is the method body, starting at +:bodystmt+ (+stmt+ meaning statement), ;TI"6which contains the full definition of the method.;T@o;	;[I"GIn our case, we're simply returning a String, so next we have the ;TI""+:string_literal+ expression.;T@o;	;[
I"SWithin our +:string_literal+ you'll notice two <code>@tstring_content</code>, ;TI"Sthis is the literal part for <code>Hello, </code> and <code>!</code>. Between ;TI"Nthe two <code>@tstring_content</code> statements is a +:string_embexpr+, ;TI"Swhere _embexpr_ is an embedded expression. Our expression consists of a local ;TI"Rvariable, or +var_ref+, with the identifier (<code>@ident</code>) of +world+.;T@S;;i;
I"Resources;T@o:RDoc::Markup::List:
@type:BULLET:@items[o:RDoc::Markup::ListItem:@label0;[o;	;[I"i{Ruby Inside}[http://www.rubyinside.com/using-ripper-to-see-how-ruby-is-parsing-your-code-5270.html];T@S;;i;
I"Requirements;T@o;;;;[o;;0;[o;	;[I"%ruby 1.9 (support CVS HEAD only);To;;0;[o;	;[I"2bison 1.28 or later (Other yaccs do not work);T@S;;i;
I"License;T@o;;[
I"Ruby License.
;TI"
;TI"?                                              Minero Aoki
;TI"?                                      aamine@loveruby.net
;TI">                                    http://i.loveruby.net;T;0:
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