def p_statements__none(self, p):
"statements : '{' '}'"
p[0] = ast.StatementListAST(self, [])
def p_statement__if_else_if(self, p):
"if_statement : IF '(' expr ')' statements ELSE if_statement"
p[0] = ast.IfStatementAST(self, p[3], p[5],
ast.StatementListAST(self, p[7]))
def p_statements__inner(self, p):
"statements : '{' statements_inner '}'"
p[0] = ast.StatementListAST(self, p[2])
