| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with this |
| # work for additional information regarding copyright ownership. The ASF |
| # licenses this file to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations under |
| # the License. |
| |
| module Buildr |
| # Provides JavaCC compile tasks. Require explicitly using <code>require "buildr/javacc"</code>. |
| module JavaCC |
| |
| REQUIRES = [ "net.java.dev.javacc:javacc:jar:4.0", "net.java.dev.javacc:javacc:jar:4.0" ] |
| |
| Java.classpath << REQUIRES |
| |
| class << self |
| |
| def javacc(*args) |
| options = Hash === args.last ? args.pop : {} |
| rake_check_options options, :output |
| |
| args = args.flatten.map(&:to_s).collect { |f| File.directory?(f) ? FileList[f + "/**/*.jj"] : f }.flatten |
| args.unshift "-OUTPUT_DIRECTORY=#{options[:output]}" if options[:output] |
| Java.load |
| Java.org.javacc.parser.Main.mainProgram(args.to_java(Java.java.lang.String)) == 0 or |
| fail "Failed to run JavaCC, see errors above." |
| end |
| |
| def jjtree(*args) |
| options = Hash === args.last ? args.pop : {} |
| rake_check_options options, :output, :build_node_files |
| |
| args = args.flatten.map(&:to_s).collect { |f| File.directory?(f) ? FileList[f + "**/*.jjt"] : f }.flatten |
| args.unshift "-OUTPUT_DIRECTORY=#{options[:output]}" if options[:output] |
| args.unshift "-BUILD_NODE_FILES=#{options[:build_node_files] || false}" |
| Java.load |
| Java.org.javacc.jjtree.JJTree.new.main(args.to_java(Java.java.lang.String)) == 0 or |
| fail "Failed to run JJTree, see errors above." |
| end |
| |
| end |
| |
| def javacc(*args) |
| if Hash === args.last |
| options = args.pop |
| in_package = options[:in_package].split(".") |
| else |
| in_package = [] |
| end |
| file(path_to(:target, :generated, :javacc)=>args.flatten) do |task| |
| JavaCC.javacc task.prerequisites, :output=>File.join(task.name, in_package) |
| end |
| end |
| |
| def jjtree(*args) |
| if Hash === args.last |
| options = args.pop |
| in_package = options[:in_package].split(".") |
| build_node_files = options[:build_node_files] |
| else |
| in_package = [] |
| end |
| file(path_to(:target, :generated, :jjtree)=>args.flatten) do |task| |
| JavaCC.jjtree task.prerequisites, :output=>File.join(task.name, in_package), :build_node_files=>build_node_files |
| end |
| end |
| |
| end |
| |
| class Project |
| include JavaCC |
| end |
| end |