Adds example.py

Author: Maxcode123

example.py

@@ -0,0 +1,34 @@
+from syntactes.generator import LR0Generator
+from syntactes.grammar import Grammar
+from syntactes.rule import Rule
+from syntactes.token import Token
+
+EOF = Token.eof()
+S = Token("S", False)
+E = Token("E", False)
+T = Token("T", False)
+x = Token("x", True)
+PLUS = Token("+", True)
+
+tokens = {EOF, S, E, T, x, PLUS}
+
+
+# S -> E $
+rule_1 = Rule(0, S, E, EOF)
+# E -> T + E
+rule_2 = Rule(1, E, T, PLUS, E)
+# E -> T
+rule_3 = Rule(2, E, T)
+# T -> x
+rule_4 = Rule(3, T, x)
+
+rules = (rule_1, rule_2, rule_3, rule_4)
+
+grammar = Grammar(rule_1, rules, tokens)
+
+generator = LR0Generator(grammar)
+
+table = generator.generate()
+
+print(table.pretty_str())
+