def compile(self, grammar):
"""
Produce an object capable of parsing via this grammar.
@param grammar: A string containing an OMeta grammar.
"""
from pymeta.grammar_definition 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)
# Generates static grammar modules so the PyvaScript grammar doesn't need to be
# parsed on first import.
if __name__ == '__main__':
import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
from pymeta.builder import TreeBuilder, writeBoot
from pymeta.grammar_definition import OMetaGrammar
from pyvascript.grammar import grammar_path, translator_path
for name, path in (('Grammar', grammar_path), ('Translator', translator_path)):
with open(path, 'r') as fp:
source = fp.read()
grammar = OMetaGrammar(source)
tree = grammar.parseGrammar('Generated' + name, TreeBuilder)
path = os.path.join(os.path.dirname(__file__), name.lower() + '_generated.py')
with open(path, 'w') as fp:
fp.write('import json\ndef p(s): print(s)\n')
fp.write(writeBoot(tree))
# Generates static grammar modules so the PyvaScript grammar doesn't need to be
# parsed on first import.
if __name__ == '__main__':
import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
from pymeta.builder import TreeBuilder, writeBoot
from pymeta.grammar_definition import OMetaGrammar
from pyvascript.grammar import grammar_path, translator_path
for name, path in (('Grammar', grammar_path), ('Translator',
translator_path)):
with open(path, 'r') as fp:
source = fp.read()
grammar = OMetaGrammar(source)
tree = grammar.parseGrammar('Generated' + name, TreeBuilder)
path = os.path.join(os.path.dirname(__file__),
name.lower() + '_generated.py')
with open(path, 'w') as fp:
fp.write('import json\ndef p(s): print(s)\n')
fp.write(writeBoot(tree))
# Generates a boot grammar and stores it in boot_generated.py. If everything looks OK you can
# replace your boot.py with the generated module.
if __name__ == '__main__':
import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
from pymeta.builder import TreeBuilder, writeBoot
from pymeta.grammar_definition import OMetaGrammar, ometaGrammar
ometa_grammar = OMetaGrammar(ometaGrammar)
tree = ometa_grammar.parseGrammar('BootOMetaGrammar', TreeBuilder)
path = os.path.join(os.path.dirname(__file__), 'boot_generated.py')
with open(path, 'w') as fp:
fp.write(writeBoot(tree))
