def compile(self, grammar):
"""
Produce an object capable of parsing via this grammar.
@param grammar: A string containing an OMeta grammar.
"""
from pymeta.grammar import OMetaGrammar, NullOptimizer
g = OMetaGrammar(dedent(grammar))
tree = g.parseGrammar('TestGrammar', TreeBuilder)
opt = NullOptimizer([tree])
opt.builder = TreeBuilder("TestGrammar", opt)
tree, err = opt.apply("grammar")
grammarClass = moduleFromGrammar(tree, 'TestGrammar', OMetaBase, {})
return HandyWrapper(grammarClass)
def setUp(self):
"""
Create a L{PythonBuilder}.
"""
self.builder = TreeBuilder("BuilderTest")
