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U:RDoc::NormalClass[iI" Compiler:ETI"Prism::Compiler;TI" Visitor;To:RDoc::Markup::Document: @parts[o;;[ o: RDoc::Markup::Paragraph;[I"OA compiler is a visitor that returns the value of each node as it visits. ;TI"PThis is as opposed to a visitor which will only walk the tree. This can be ;TI"Juseful when you are trying to compile a tree into a different format.;To: RDoc::Markup::BlankLine o; ;[I"NFor example, to build a representation of the tree as s-expressions, you ;TI"could write:;T@o:RDoc::Markup::Verbatim;[I"*class SExpressions < Prism::Compiler ;TI"< def visit_arguments_node(node) = [:arguments, super] ;TI"2 def visit_call_node(node) = [:call, super] ;TI"1 def visit_integer_node(node) = [:integer] ;TI"8 def visit_program_node(node) = [:program, super] ;TI" end ;TI" ;TI"9Prism.parse("1 + 2").value.accept(SExpressions.new) ;TI"K# => [:program, [[[:call, [[:integer], [:arguments, [[:integer]]]]]]]];T: @format0: @fileI"lib/prism/compiler.rb;T:0@omit_headings_from_table_of_contents_below0; 0;0[ [ [ [[I" class;T[[: public[ [:protected[ [: private[ [I" instance;T[[;[�[I" visit;TI"lib/prism/compiler.rb;T[I"%visit_alias_global_variable_node;T@8[I" 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