e59f3ba338
The source code is now in the src directory. The library needs to be built using "rake", which creates the lib/peg.js file by combining the source files.
32 lines
737 B
Ruby
32 lines
737 B
Ruby
SRC_DIR = "src"
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LIB_DIR = "lib"
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BIN_DIR = "bin"
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def preprocess(input, base_dir)
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input.split("\n").map do |line|
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if line =~ /^\s*\/\/\s*@include\s*"([^"]*)"\s*$/
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included_file = "#{base_dir}/#$1"
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if !File.exist?(included_file)
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abort "Included file \"#{included_file}\" does not exist."
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end
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preprocess(File.read(included_file), base_dir)
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else
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line
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end
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end.join("\n")
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end
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desc "Generate the grammar parser"
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task :metaparser do
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system "#{BIN_DIR}/pegjs PEG.parser #{SRC_DIR}/parser.pegjs"
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end
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desc "Build the peg.js file"
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task :build do
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File.open("#{LIB_DIR}/peg.js", "w") do |f|
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f.write(preprocess(File.read("#{SRC_DIR}/peg.js"), SRC_DIR))
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end
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end
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task :default => :build
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