Simple parser that detects doc-comments and funcs. (2c20a6fe) · Commits · extjs / jsduck

doc.rb

0 → 100755

+100 −0

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		#!/usr/bin/env ruby
		require 'strscan'

		class Lexer
		def initialize(input)
		@input = StringScanner.new(input)
		end

		def scan
		if keyword? then
		@input.scan(/\w+/)
		elsif doc_comment? then
		@input.scan_until(/\*\//)
		elsif operator? then
		@input.scan(/./)
		else
		nil
		end
		end

		def keyword?
		skip_white_and_comments
		@input.check(/\w+/)
		end

		def operator?
		skip_white_and_comments
		@input.check(/\W/)
		end

		def doc_comment?
		skip_white_and_comments
		@input.check(/\/\\/)
		end

		def eos?
		skip_white_and_comments
		@input.eos?
		end

		def check(re)
		skip_white_and_comments
		@input.check(re)
		end

		def scan_if(re)
		skip_white_and_comments
		if @input.check(re) then
		scan
		else
		nil
		end
		end

		def skip_white_and_comments
		skip_white
		while multiline_comment? \|\| line_comment? do
		if multiline_comment? then
		@input.scan_until(/\*\//)
		elsif line_comment? then
		@input.scan_until(/\n/)
		end
		skip_white
		end
		end

		def multiline_comment?
		@input.check(/\/\[^]/)
		end

		def line_comment?
		@input.check(/\/\//)
		end

		def skip_white
		@input.scan(/\s+/)
		end

		end


		lex = Lexer.new($stdin.read)
		while !lex.eos? do
		if lex.doc_comment? then
		puts lex.scan
		if lex.scan_if(/function/) && lex.keyword? then
		# function name(){
		puts "function " + lex.scan
		elsif lex.scan_if(/var/) && lex.keyword? && (fname = lex.scan) && lex.scan_if(/=/) && lex.scan_if(/function/) then
		# var name = function(){
		puts "function " + fname
		elsif lex.keyword? && (fname = lex.scan) && lex.scan_if(/:/) && lex.scan_if(/function/) then
		# name: function(){
		puts "function " + fname
		end
		else
		lex.scan
		end
		end

0 → 100644

+35 −0

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		/**
		* Creates new DateRange
		*
		* @param {Date} beginDate
		* @param {Date} endDate
		*/
		function DateRange(beginDate, endDate) {
		this.beginDate = beginDate;
		this.endDate = endDate;
		}

		DateRange.prototype = {
		/**
		* Return beginning date of range
		* @return {Date}
		*/
		beg: function() {
		return this.beginDate;
		},

		/**
		* Return end date of range
		* @return {Date}
		*/
		end: function() {
		return this.endDate;
		}
		};

		/**
		* Foo
		*/
		var foo = function () {};