Class: Deadfire::AstPrinter

Inherits:
Object
  • Object
show all
Defined in:
lib/deadfire/ast_printer.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AstPrinter

Returns a new instance of AstPrinter.



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# File 'lib/deadfire/ast_printer.rb', line 5

def initialize
  @indentation = 0
end

Instance Method Details



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# File 'lib/deadfire/ast_printer.rb', line 9

def print(node)
  node.accept(self)
end

#visit_at_rule_node(node) ⇒ Object 



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# File 'lib/deadfire/ast_printer.rb', line 20

def visit_at_rule_node(node)
  puts "AtRuleNode"
  puts "  AtKeyword: #{node.at_keyword.lexeme}"
  node.value.each do |value|
    puts "  Value: #{value}"
  end
  if node.block
    visit_block_node(node.block)
  end
end

#visit_block_node(node) ⇒ Object 



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# File 'lib/deadfire/ast_printer.rb', line 31

def visit_block_node(node)
  puts "BlockNode"
  node.declarations.each do |declaration|
    case declaration
    when FrontEnd::Token
      puts "  Declaration: #{declaration.lexeme}"
    when FrontEnd::AtRuleNode
      visit_at_rule_node(declaration)
    when FrontEnd::RulesetNode
      visit_ruleset_node(declaration)
    end
  end
end

#visit_comment_node(node) ⇒ Object 



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# File 'lib/deadfire/ast_printer.rb', line 53

def visit_comment_node(node)
  puts "CommentNode"
  puts "  Comment: #{node.comment.lexeme}"
end

#visit_newline_node(node) ⇒ Object 



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# File 'lib/deadfire/ast_printer.rb', line 58

def visit_newline_node(node)
  puts "NewlineNode"
  puts "  Newline: #{node.text}"
end

#visit_ruleset_node(node) ⇒ Object 



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# File 'lib/deadfire/ast_printer.rb', line 45

def visit_ruleset_node(node)
  puts "RulesetNode"
  puts "  Selector: #{node.selector}"
  if node.block
    visit_block_node(node.block)
  end
end

#visit_stylesheet_node(node) ⇒ Object 



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# File 'lib/deadfire/ast_printer.rb', line 13

def visit_stylesheet_node(node)
  puts "StylesheetNode"
  node.statements.each do |statement|
    # todo
  end
end