def build_grammar(w):
"""
Latejami grammar:
"""
g = Grammar("Latejami")
g["sentence"] = Reference("topic") * OPTIONAL_CLOSURE + Reference("clause") | Reference("vocative-noun-phrase")
g["topic"] = Reference("topic-particle") + Reference("argument")
g["topic-particle"] = Reference("heavy-topicalization-particle") | Reference("reference-switching-particle")
g["clause"] = Reference("disjunct") * KLEENE_CLOSURE + Reference("verb") + Reference("argument") * KLEENE_CLOSURE + Reference("valency-terminator") * OPTIONAL_CLOSURE
g["argument"] = Reference("expression") | Reference("oblique-argument")
g["oblique-argument"] = Reference("adverb") | Reference("case-tag") + Reference("expression")
g["expression"] = Reference("noun-phrase") | Reference("clause")
g["noun-phrase"] = Reference("noun") + Reference("noun-modifier") * KLEENE_CLOSURE
g["noun-phrase"] = Reference("open-noun") + Reference("noun-modifier") * KLEENE_CLOSURE + Reference("expression")
g["noun-modifier"] = Reference("light-modifier") | Reference("heavy-modifier")
g["light-modifier"] = Reference("adjective")
g["heavy-modifier"] = Reference("open-adjective") + Reference("expression")
g["noun"] = WordCategoryFilter("N")
g["open-noun"] = WordCategoryFilter("N", (CategoryFilter("in", ["P/F-s"]),))
g["adjective"] = WordCategoryFilter("A")
g["open-adjective"] = WordCategoryFilter("A", (CategoryFilter("in", ["P/F-s"]),))
g["verb"] = WordCategoryFilter("V")
g["adverb"] = WordCategoryFilter("D")
g["case-tag"] = WordCategoryFilter("D", (CategoryFilter("in", ["P/F-s","P/F-d"]),))
g["disjunct"] = WordCategoryFilter("D", (CategoryFilter("in", ["P/F-s","P/F-d"]),))
g["vocative-noun-phrase"] = WordCategoryFilter("N", (CategoryFilter("in", ["-we"]),))#????
g["heavy-topicalization-particle"] = WordFilter(build_word(w["xojopa"]))
g["reference-switching-particle"] = WordFilter(build_word(w["zunjopa"]))
g["valency-terminator"] = WordFilter(build_word(w["jojope"]))
g.compile(True)
return g
def build_grammar(w):
"""
Toki Pona grammar:
"""
def add_phrase(name, sep_key):
"""
<xs> ::= <x> + (<conj> + <x>)*
"""
g[name + "s"] = Reference(name) + Reference(name + "-extension") * KLEENE_CLOSURE
g[name + "-extension"] = WordFilter(build_word(w[sep_key])) + Reference(name)
g = Grammar("toki pona")
g["sentence"] = Reference("sentence-adverb") * OPTIONAL_CLOSURE + Reference("subject") + Reference("predicates")
g["sentence-adverb"] = Reference("noun-phrase") + WordFilter(build_word(w["la_sep"]))
g["subject"] = Reference("pronoun-phrase")
g["subject"] = Reference("noun-phrases") + WordFilter(build_word(w["li_sep"]))
add_phrase("noun-phrase", "en_conj")
g["pronoun-phrase"] = WordFilter(build_word(w["mi_n"])) | WordFilter(build_word(w["sina_n"]))
g["noun-phrase"] = WordCategoryFilter("n") + Reference("adjectives") * OPTIONAL_CLOSURE
g["noun-phrase"] = WordCategoryFilter("n") + WordFilter(build_word(w["pi_sep"])) + WordCategoryFilter("n") + Reference("adjectives")
add_phrase("predicate", "li_sep")
g["predicate"] = Reference("intransitive-predicate") | Reference("transitive-predicate") | Reference("copulative-predicate")
g["intransitive-predicate"] = WordCategoryFilter("v", ("intr", )) + Reference("adverbs") * OPTIONAL_CLOSURE + Reference("complement") * KLEENE_CLOSURE
g["transitive-predicate"] = WordCategoryFilter("v", ("tr", )) + Reference("adverbs") * OPTIONAL_CLOSURE + Reference("direct-object") * POSITIVE_CLOSURE + Reference("complement") * KLEENE_CLOSURE
g["copulative-predicate"] = Reference("noun-phrase") | Reference("adjectives") * OPTIONAL_CLOSURE + Reference("complement") * KLEENE_CLOSURE
add_phrase("adjective", "en_conj")
add_phrase("adverb", "en_conj")
g["direct-object"] = WordFilter(build_word(w["e_sep"])) + Reference("noun-phrase")
g["adjective"] = WordCategoryFilter("mod")
g["adverb"] = WordCategoryFilter("mod")
g["complement"] = WordCategoryFilter("prep") + Reference("noun-phrase")
g.compile()
return g
