def validate(sgrammar:"SymbolGrammar", expression) -> "[AST]":
"""Returns a list of postTreeNodes"""
resulttrees = sgrammar.get_trees(expression, True)
treelist = []
for tree in resulttrees:
from pydsl.Grammar.Tree import parser_to_post_tree
treelist.append(parser_to_post_tree(tree))
return treelist
def get_groups(self, word, propertyname:str) -> list:
""" Allow to ask for a grammar property of a valid sentence. Example: (English)ask for verb in a phrase: askProperty("verb","desk is clean") Maybe there is a method to pass it through __init__ (like _matchFun) """
treelist = self.__parser.get_trees(word)
for tree in treelist:
from pydsl.Grammar.Tree import parser_to_post_tree
posttree = parser_to_post_tree(tree)
if propertyname in posttree:
return posttree[propertyname]
else:
return []