def callback(res):
lexical = Lexical()
lexical.get_dfa('./help/dfa.json')
res = lexical.lexical_run(str(res).replace(
'\r\n', '\n')) # 词法分析的token序列，要将window换行符'\r\n'转换
self.lexical_window = LexicalWindow(res)
self.lexical_window.show()
def validate(self):
with open(self.upload_folder + self.filename, "r") as file:
code = file.read()
cr = Lexical(code)
result = cr.run()
return jsonify({
'code': code,
'lexical_table': result,
'syntatic_result': []
})
def validate():
assert request.path == '/validate'
assert request.method == 'POST'
cr = Lexical(request.form['code'])
lexical_result = cr.run()
s = Syntatic(request.form['code'], cr.getTokens())
syntatic_result = s.run()
return jsonify({
'code': request.form['code'],
'lexical_table': lexical_result,
'syntatic_result': syntatic_result
})
def __init__(self):
QMainWindow.__init__(self)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.ui.editor = QCodeEditor(self.ui.centralwidget)
self.ui.editor.setGeometry(QtCore.QRect(10, 20, 661, 751))
text = '''open a file \nor type something...'''
self.ui.editor.setPlainText(text)
self.ui.editor.setObjectName("editor")
self.ui.open_btn.triggered.connect(self.open_file)
self.ui.actionread_dfa.triggered.connect(self.read_dfa)
self.ui.actionclear.triggered.connect(self.clear_dfa)
self.lexical_window = Lexical()
self.dfa_window = None
self.grammer_show = None
self.grammar_analyzer = GrammarAnalyze()
self.semantic_analyzer_page = Semantic()
self.semantic_analyzer = None
self.SDTShow = None
self.setWindowTitle("Analyzer")
self.table = None
def dfa(self): # dfa转换表
lexical = Lexical()
lexical.get_dfa('./help/dfa.json')
self.dfa_window = DFAWindow(lexical.get_dfa_table())
self.dfa_window.show()
from lexical import Lexical
from semantic import Pro
from syntax import Parser
from vm import VM
import os
if __name__ == '__main__':
# 新建词法分析器
lexical = Lexical()
# 载入源代码
lexical.load_source(open('fib.txt', encoding="utf-8").read())
# 执行词法分析
lexical_success = lexical.execute()
# 将结果保存在tokens文件中
with open('lexical_result.txt', 'w+') as f:
lexical_result = lexical.get_result()
for i in lexical_result:
f.write(i.type + '\t' + i.str + '\t' + str(i.line) + '\n') #
# 打印结果
print('词法分析是否成功:\t', lexical_success)
if lexical_success:
# lexical_result = lexical.get_result()
print()
print('词法分析结果:')
for i in lexical_result:
print(i.type, i.str, i.line)
print()
else: