95 lines
3.2 KiB
Python
95 lines
3.2 KiB
Python
import tkinter as tk
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from tkinter import scrolledtext, messagebox
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from lexical.lexical import Lexical
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from syntax.syntax import Syntax
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from semantic.rule import symbol_table_pool
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from syntax.syntax import LL1Generator
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from Optimizer.optimizer import optimize, output_ir_str
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def process_code(input_code):
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lexical = Lexical()
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lexical.load_source(input_code)
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lexical_success = lexical.execute()
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output = []
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if lexical_success:
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lexical_result = lexical.get_result()
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output.append('词法分析是否成功:\t' + str(lexical_success))
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output.append('\n词法分析结果:')
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for i in lexical_result:
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output.append(f"{i.type} {i.str} {i.line}")
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output.append('')
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syntax = Syntax()
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syntax.put_source(lexical_result)
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syntax_success = syntax.execute()
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output.append('语法分析和语义分析是否成功\t' + str(syntax_success))
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if syntax_success:
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output.append("\n符号表信息:\t")
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output.append(symbol_table_pool.debug())
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output.append('\n语义分析结果:\t')
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output.append('四元式代码:\t')
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i = -1
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for code in syntax.get_result().root.code:
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i += 1
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output.append(f"{i} \t{code}")
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quads = [tuple(map(str.strip, str(item).strip("()").split(","))) for item in syntax.get_result().root.code]
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optimized_quads = optimize(quads)
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output.append('\n')
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output.append(f"优化后的四元式:\t")
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output.append(output_ir_str(optimized_quads))
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return '\n'.join(output), ''
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else:
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return '\n'.join(output), '错误原因:\t' + syntax.get_error().info
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else:
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return '', '错误原因:\t' + lexical.get_error().info
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def on_submit():
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input_code = input_text.get("1.0", tk.END)
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output_text.delete("1.0", tk.END)
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error_label.config(text="")
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try:
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result, error = process_code(input_code)
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if result:
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output_text.insert(tk.END, result)
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if error:
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error_label.config(text=error)
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except Exception as e:
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messagebox.showerror("程序异常", str(e))
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root = tk.Tk()
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root.title("Hydrogen语言编译器前端演示")
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# 输入框
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input_text = scrolledtext.ScrolledText(root, width=80, height=20)
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input_text.pack(padx=10, pady=5)
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# 提交按钮和清空按钮在同一行
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button_frame = tk.Frame(root)
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def on_generate_ll1_table():
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try:
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obj = LL1Generator()
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obj.compile()
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obj.show_me_what_you_got("LL1_table.csv")
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messagebox.showinfo("提示", "成功生成预测表")
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except Exception as e:
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messagebox.showerror("生成预测表异常", str(e))
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submit_btn = tk.Button(button_frame, text="生成产生式的预测表", command=on_generate_ll1_table)
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submit_btn.pack(side=tk.LEFT, padx=5)
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button_frame.pack(pady=5)
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submit_btn = tk.Button(root, text="提交", command=on_submit)
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submit_btn.pack(pady=5)
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# 输出框
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output_text = scrolledtext.ScrolledText(root, width=80, height=20, bg="#000000")
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output_text.pack(padx=10, pady=5)
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# 错误信息框
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error_label = tk.Label(root, text="", fg="red")
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error_label.pack(pady=5)
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root.mainloop() |