libmultiscale_doc_parser.py
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	#!/usr/bin/env python3

	import pyparsing as pp


	class LibMultiScaleParser:

	etag = pp.Literal("*/")

	tag_desc = pp.Literal("/* LMDESC")
	tag_keyword = pp.Literal("/* LMKEYWORD")
	tag_heritance = pp.Literal("/* LMHERITANCE")
	tag_example = pp.Literal("/* LMEXAMPLE")

	def block(self, tag):
	_header = pp.SkipTo(tag) + tag
	_content = pp.SkipTo(self.etag)
	_block = _header.suppress() - _content
	_block -= self.etag.suppress()
	return _block

	def named_block(self, tag):
	_header = pp.SkipTo(tag) + tag
	_header += pp.ZeroOrMore(pp.White())
	_block = _header.suppress() - pp.Word(pp.alphanums+"_")
	_block -= pp.OneOrMore(pp.White() \| pp.LineEnd()).suppress()
	_block -= pp.SkipTo(self.etag)
	_block -= self.etag.suppress()
	res = _block

	return res

	def parse(self, filename, internal_key_list):
	fin = open(filename, 'r')
	inp = fin.read()
	fin.close()

	_content = self.named_block(
	self.tag_desc).setResultsName("description")

	example = self.block(self.tag_example)
	_content += pp.Optional(example).setResultsName("example")
	heritance = self.block(self.tag_heritance)
	_content += pp.Optional(heritance).setResultsName("heritance")
	keyword = self.named_block(self.tag_keyword)
	_content += pp.Group(pp.ZeroOrMore(keyword)).setResultsName("keywords")

	res = _content.parseString(inp)
	return dict([(k, res.get(k)) for k in res.keys()])