Commit a21c9922 authored by Rene Saarsoo's avatar Rene Saarsoo
Browse files

Benchmarks to compare EsprimaParser with JsParser. 

Currently the tests show that esprima-version is 2x slower.

Times for parsing all of sencha touch source files:

JsParser:      3.5s
EsprimaParser: 6.6s

Also... the JsParser is now switched back to using the old Lexer,
not the esprima-one.
parent 87ca185e

benchmark/esprima_parse.rb

0 → 100644
+11 −0
Original line number Diff line number Diff line 
# Script for benchmarking the lexer.

#

# Takes bunch of filenames as arguments and runs them all through lexer.

#

$:.unshift File.dirname(File.dirname(__FILE__)) + "/lib"

require 'jsduck/esprima_parser'



ARGV.each do |fname|

  JsDuck::EsprimaParser.instance.parse(IO.read(fname))

end

benchmark/parse.rb

0 → 100644
+11 −0
Original line number Diff line number Diff line 
# Script for benchmarking the lexer.

#

# Takes bunch of filenames as arguments and runs them all through lexer.

#

$:.unshift File.dirname(File.dirname(__FILE__)) + "/lib"

require 'jsduck/js_parser'



ARGV.each do |fname|

  JsDuck::JsParser.new(IO.read(fname)).parse

end

lib/jsduck/js_parser.rb

+2 −2
Original line number Diff line number Diff line 
require 'jsduck/esprima_lexer'

require 'jsduck/lexer'

require 'jsduck/doc_parser'

require 'jsduck/js_literal_parser'

require 'jsduck/js_literal_builder'
@@ -7,7 +7,7 @@ module JsDuck 


  class JsParser < JsLiteralParser

    def initialize(input, options = {})

      @lex = EsprimaLexer.new(input)

      @lex = Lexer.new(input)

      @doc_parser = DocParser.new

      @docs = []

      @ext_namespaces = options[:ext_namespaces] || ["Ext"]