module Hoe::Kpeg
Kpeg
plugin for hoe.
Tasks Provided:¶ ↑
- parser
-
Generate parsers for all .kpeg files in your manifest
- .kpeg -> .rb rule
-
Generate a parser using kpeg.
NOTE: This plugin is derived from the Hoe::Racc and used under the MIT license:
Copyright © Ryan Davis, seattle.rb
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Attributes
Optional: Defines what flags to use for kpeg. default: “-s -v”
Optional: Defines what tasks need to generate parsers first.
Defaults to [:multi, :test, :check_manifest]
If you have extra tasks that require your parser to be built, add their names here in your hoe spec. eg:
kpeg_tasks << :debug
Public Instance Methods
Define tasks for kpeg plugin
# File lib/hoe/kpeg.rb, line 69 def define_kpeg_tasks kpeg_files = self.spec.files.find_all { |f| f =~ /\.kpeg$/ } parser_files = kpeg_files.map { |f| f.sub(/\.kpeg$/, ".rb") } self.clean_globs += parser_files rule ".rb" => ".kpeg" do |t| kpeg = Gem.bin_path "kpeg", "kpeg" begin ruby "-rubygems #{kpeg} #{kpeg_flags} -o #{t.name} #{t.source}" rescue abort "need kpeg, please run rake check_extra_deps" end end desc "build the parser" unless parser_files.empty? task :parser task :parser => parser_files kpeg_tasks.each do |t| task t => :parser end end
Initialize variables for kpeg plugin.
# File lib/hoe/kpeg.rb, line 55 def initialize_kpeg self.kpeg_tasks = [:multi, :test, :check_manifest] # -f = overwrite existing file # -s = parser does not require runtime # -v = verbose self.kpeg_flags ||= "-s -v -f" dependency 'kpeg', '~> 0.9', :development end