def compile(self, grammar, globals=None):
"""
Produce an object capable of parsing via this grammar.
@param grammar: A string containing an OMeta grammar.
"""
g = OMeta(grammar)
tree = g.parseGrammar('TestGrammar')
g = GrammarInterpreter(tree, OMetaBase, globals)
return HandyInterpWrapper(g)
def compile(self, grammar, globals=None):
"""
Produce an object capable of parsing via this grammar.
@param grammar: A string containing an OMeta grammar.
"""
g = OMeta(grammar)
tree = g.parseGrammar('TestGrammar')
g = GrammarInterpreter(tree, OMetaBase, globals)
return HandyInterpWrapper(g)
def test_failure(self):
g = OMeta("""
foo = 'a':one baz:two 'd'+ 'e' -> (one, two)
baz = 'b' | 'c'
""", {})
tree = g.parseGrammar('TestGrammar')
i = TrampolinedGrammarInterpreter(
tree, 'foo', callback=lambda x: setattr(self, 'result', x))
e = self.assertRaises(ParseError, i.receive, 'foobar')
self.assertEqual(str(e),
"\nfoobar\n^\nParse error at line 1, column 0:"
" expected the character 'a'. trail: []\n")
def test_failure(self):
g = OMeta("""
foo = 'a':one baz:two 'd'+ 'e' -> (one, two)
baz = 'b' | 'c'
""", {})
tree = g.parseGrammar('TestGrammar')
i = TrampolinedGrammarInterpreter(
tree, 'foo', callback=lambda x: setattr(self, 'result', x))
e = self.assertRaises(ParseError, i.receive, 'foobar')
self.assertEqual(str(e),
"\nfoobar\n^\nParse error at line 2, column 0:"
" expected the character 'a'. trail: []\n")
import sys
from ometa.grammar import OMeta
from ometa.builder import writePython
if len(sys.argv) != 3:
print "Usage: %s grammar-filename python-filename" % (sys.argv[0],)
sys.exit(1)
with open(sys.argv[1]) as infile:
grammar = infile.read()
g = OMeta(grammar)
tree = g.parseGrammar("Parser")
source = writePython(tree, grammar) + '\n'
with open(sys.argv[2], 'w') as outfile:
outfile.write(source)
import sys
from ometa.grammar import OMeta
from ometa.builder import writePython
if len(sys.argv) != 3:
print "Usage: %s grammar-filename python-filename" % (sys.argv[0], )
sys.exit(1)
with open(sys.argv[1]) as infile:
grammar = infile.read()
g = OMeta(grammar)
tree = g.parseGrammar("Parser")
source = writePython(tree, grammar) + '\n'
with open(sys.argv[2], 'w') as outfile:
outfile.write(source)
def compile(self, grammar, globals=None):
g = OMeta(grammar)
tree = g.parseGrammar('TestGrammar')
return TrampolinedInterpWrapper(tree, globals)
def compile(self, grammar, globals=None):
g = OMeta(grammar)
tree = g.parseGrammar('TestGrammar')
return TrampolinedInterpWrapper(tree, globals)