Class: O::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/o/parser.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(content) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/o/parser.rb', line 12

def initialize content
	@content = content
end

Instance Attribute Details

#content ⇒ Object (readonly)

Returns the value of attribute content.



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# File 'lib/o/parser.rb', line 3

def content
  @content
end

Class Method Details

.compile(content) ⇒ Object 



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# File 'lib/o/parser.rb', line 6

def compile content
	parser = Parser.new content
	parser.compile
end

Instance Method Details

#compile ⇒ Object 



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# File 'lib/o/parser.rb', line 16

def compile
	script = ""
	indent_counts = 0
	block_start = false

	scan do |token, statement|
		case token
		when :block_start
			block_start = true
			statement = statement.sub(":", " do")
			script << statement << "\n"
		when :statement
			script << statement << "\n"
		when :indent
			indent_counts += 1
			script << "\t"*indent_counts
		when :undent
			script << "\t"*indent_counts
		when :dedent
			if block_start
				block_start = false
				script << "\t"*(indent_counts-1) + "end\n"
			else
				script << "\t"*(indent_counts-1)
			end
			indent_counts -= 1
		end
	end
	script
end