def _assignment(self):
word = self.pascal_parser.current_word
assignment = self.symbol_table.get(word, None)
if not assignment:
raise ValueError("Identifier does not exist: '%s'" % word)
if self.pascal_parser.get_next_token() != TK_ASSIGNMENT:
raise ValueError("Expected Assignment: Got %s" %
self.pascal_parser.current_word)
self.pascal_parser.get_next_token()
result = evaluate_expression(self.pascal_parser, self.symbol_table)
handle_int_real_conversion(assignment['data_type'], result[0], assignment=True)
assignment['value'] = result[1]
OutputBuffer.add("pusha %s" % assignment['address'])
def _write(self):
if self.pascal_parser.get_next_token() != TK_LEFT_PAREN:
raise ValueError("Expected '(': Got '%s'" % self.pascal_parser.current_word)
evaluate_expression(self.pascal_parser, self.symbol_table)
OutputBuffer.add("write")