def main():
prepare_grammar()
lexer.read_source_file('1.c')
do_parsing()
print("SYMBOL TABLE")
print("------------")
print_symbol_table()
print('\n')
print("CODE")
print("------------")
print_code_result()
def main():
resourceFile = input('请输入源文件路径:')
import os
while not os.path.exists(resourceFile):
resourceFile = input('文件不存在，请输入源文件路径')
prepare_grammar()
lexer.read_source_file(resourceFile)
do_parsing()
print("SYMBOL TABLE")
print("------------")
print_symbol_table()
print('\n')
print("CODE")
print("------------")
print_code_result()
def clear():
global input_file
global analysis
global TERMINAL_SET
global NON_TERMINAL_SET
global SYMBOL_DICT
global PRODUCTION_LIST
global PARSING_TABLE
global SEMA_ACTION_TABLE
global SYMBOL_STACK
global LAST_STACK_TOP_SYMBOL
global CODE_SIZE
global CODE_RESULT
global current_symbol_table_pos
global current_symbol_index
global CURRENT_CONDITION_NODE
global SYMBOL_TABLE
input_raw = code.get(1.0, END)
lexer.read_source_file(input_raw)
analysis.delete(1.0, END)
TERMINAL_SET = set()
NON_TERMINAL_SET = set()
SYMBOL_DICT = {}
PRODUCTION_LIST = []
PARSING_TABLE = {}
SYMBOL_STACK = []
SYMBOL_TABLE = []
LAST_STACK_TOP_SYMBOL = None
CODE_SIZE = 0
CODE_RESULT = []
current_symbol_table_pos = 0
current_symbol_index = 0
CURRENT_CONDITION_NODE = None
SYMBOL_TABLE = []
def main():
prepare_grammar()
lexer.read_source_file('1.c')
do_parsing()
print_symbol_table()
def main():
prepare_grammar()
lexer.read_source_file('1.c')
do_parsing()
print_symbol_table()
