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33 lines
938 B
Ruby
33 lines
938 B
Ruby
require "net/http"
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require "uri"
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version = File.read("VERSION").strip
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file "lib/pegjs-runtime-#{version}.min.js" => "lib/runtime.js" do |t|
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response = Net::HTTP.post_form(
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URI.parse("http://closure-compiler.appspot.com/compile"),
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{
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"js_code" => File.read(t.prerequisites.first),
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"compilation_level" => "SIMPLE_OPTIMIZATIONS",
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"output_format" => "text",
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"output_info" => "compiled_code"
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}
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)
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if response.code != "200"
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abort "Error calling Google Closure Compiler API: #{response.message}"
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end
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File.open(t.name, "w") { |f| f.write(response.body) }
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end
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file "lib/metagrammar.js" => "lib/metagrammar.pegjs" do |t|
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system "bin/pegjs --start grammar PEG.grammarParser lib/metagrammar.pegjs"
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end
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desc "Build the minified parser runtime"
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task :minify => "lib/pegjs-runtime-#{version}.min.js"
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desc "Generate the grammar parser"
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task :metaparser => "lib/metagrammar.js"
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