Merge branch 'main' of git.gangary.cn:gary/Hydrogen-python

README.md

@@ -205,4 +205,326 @@ fn main() {
 7. **算术操作**
    - 执行加法运算，例如：(+, age, a, _v13)。
 8. **返回操作**
-   - **新增**：表示函数返回特定值，例如：(return, _, _, _v18)（返回临时变量 _v18 的值）。
+   - 表示函数返回特定值，例如：(return, _, _, _v18)（返回临时变量 _v18 的值）。
+9. **函数调用**
+   - 表示调用函数，例如：(call, product, 0, _) （product是函数名，0是参数个数）。
+
+### 2.3 添加语义动作的文法推导式
+
+```python
+# 0
+Production('program', ['define-lists'],
+           'Program0S', [None], 'Program0E'),
+# 1
+Production('define-lists', ['define-list', 'define-lists'],
+           None, [None, None], 'DefineLists1E'),
+# 2
+Production('define-lists', [],
+           None, [], 'DefineLists2E'),
+# 3
+Production('define-list', ['fun-define'],
+           None, [None], 'DefineList3E',
+           ),
+# 4
+Production('define-list', ['global-var-define'],
+           None, [None], 'DefineList4E',
+           ),
+# 5
+Production('fun-define',
+           ['fn', 'id', 'left-parentheses', 'params', 'right-parentheses', 'fun-return', 'left-brace', 'code-block',
+            'right-brace'],
+           None, [None, None, None, 'FunDefine5C3', None, 'FunDefine5C5', None, 'FunDefine5C7', None], 'FunDefine5E',
+           ),
+# 6
+Production('params', [],
+           'Params6S', [], None,
+           ),
+# 7
+Production('params', ['paramlist'],
+           'Params7S', ['Params7C0'], None,
+           ),
+# 8
+Production('paramlist', ['param', 'param-follow'],
+           None, ['ParamList8C0', 'ParamList8C1'], None,
+           ),
+# 9
+Production('param-follow', ['comma', 'param', 'param-follow'],
+           None, [None, 'ParamFollow9C1', 'ParamFollow9C2'], None,
+           ),
+# 10
+Production('param-follow', [],
+           None, [], None,
+           ),
+# 11
+Production('param', ['id', 'colon', 'type', 'arraylist'],
+           None, [None, None, None, None], 'Param11E',
+           ),
+# 12
+Production('arraylist', [],
+           'ArrayList12S', [], None,
+           ),
+# 13
+Production('arraylist', ['left-bracket', 'right-bracket'],
+           'ArrayList13S', [None, None], None,
+           ),
+# 14
+Production('fun-return', [],
+           'FunReturn14S', [], None,
+           ),
+# 15
+Production('fun-return', ['right-arrow', 'type', 'arraylist'],
+           None, [None, None, None], 'FunReturn15E',
+           ),
+# 16
+Production('type', ['i32'],
+           'Type16S', [None], None,
+           ),
+# 17
+Production('type', ['f32'],
+           'Type17S', [None], None,
+           ),
+# 18
+Production('type', ['void'],
+           "Type18S", [None], None,
+           ),
+# 19
+Production('global-var-define', ['type', 'arraylist-with-num', 'id', 'global-var-define-follow'],
+           None, [None, None, None, 'GlobalVarDefine19C3'], 'GlobalVarDefine19E',
+           ),
+# 20
+Production('global-var-define-follow', ['comma', 'id', 'global-var-define-follow'],
+           None, [None, None, 'GlobalVarDefineFllow20C2'], 'GlobalVarDefineFllow20E',
+           ),
+# 21
+Production('global-var-define-follow', ['semicolon'],
+           None, [None], None,
+           ),
+# 22
+Production('code-block', ['code-list'],
+           None, ['CodeBlock22C0'], 'CodeBlock22E',
+           ),
+# 23
+Production('code-list', ['code', 'code-list'],
+           None, ["CodeList23C0", 'CodeList23C1'], 'CodeList23E',
+           ),
+# 24
+Production('code-list', [],
+           None, [], 'CodeList24E',
+           ),
+# 25
+Production('code', ['local-define'],
+           None, ['Code25C0'], 'Code25E',
+           ),
+# 26
+Production('code', ['normal-statement'],
+           None, ['Code26C0'], 'Code26E',
+           ),
+# 27
+Production('code', ['selection-statement'],
+           None, ['Code27C0'], 'Code27E',
+           ),
+# 28
+Production('code', ['iteration-statement'],
+           None, ['Code28C0'], 'Code28E',
+           ),
+# 29
+Production('code', ['return-statement'],
+           None, ['Code29C0'], 'Code29E',
+           ),
+# 30
+Production('local-define', ['type', 'arraylist-with-num', 'id', 'local-define-follow'],
+           None, ['LocalDefine30C0', "LocalDefine30C1", 'LocalDefine30C2', 'LocalDefine30C3'], 'LocalDefine30E',
+           ),
+# 31
+Production('local-define-follow', ['comma', 'id', 'local-define-follow'],
+           None, [None, 'LocalDefineFollow31C1', 'LocalDefineFollow31C2'], 'LocalDefineFollow31E',
+           ),
+# 32
+Production('local-define-follow', ['semicolon'],
+           None, [None], None,
+           ),
+# 33
+Production('normal-statement', ['semicolon'],
+           None, [None], None,
+           ),
+# 34
+Production('normal-statement', ['id', 'normal-statement-follow'],
+           None, [None, 'NormalStatement34C1'], 'NormalStatement34E',
+           ),
+# 35
+Production('normal-statement-follow', ['var-follow', 'evaluate', 'exp', 'semicolon'],
+           None, ['NormalStatementFollow35C0', None, 'NormalStatementFollow35C2', None], 'NormalStatement35E',
+           ),
+# 36
+Production('normal-statement-follow', ['call-follow', 'semicolon'],
+           None, ['NormalStatementFollow36C0', None], 'NormalStatementFollow36E',
+           ),
+# 37
+Production('var-follow', [],
+           None, [], 'VarFollow37E',
+           ),
+# 38
+Production('var-follow', ['left-bracket', 'exp', 'right-bracket'],
+           None, [None, None, None], 'VarFollow38E',
+           ),
+# 39
+Production('call-follow', ['left-parentheses', 'call-params', 'right-parentheses'],
+           None, [None, 'CallFollow39C1', None], 'CallFollow39E',
+           ),
+# 40
+Production('call-params', ['call-param-list'],
+           None, ['CallParams40C0'], 'CallParams40E',
+           ),
+# 41
+Production('call-params', [],
+           None, [], 'CallParams41E',
+           ),
+# 42
+Production('call-param-list', ['exp', 'call-param-follow'],
+           None, ['CallParamList42C0', None], 'CallParamList42E',
+           ),
+# 43
+Production('call-param-follow', ['comma', 'exp', 'call-param-follow'],
+           None, [None, 'CallParamFollow43C1', None], 'CallParamFollow43E',
+           ),
+# 44
+Production('call-param-follow', [],
+           None, [], 'CallParamFollow44E',
+           ),
+
+# 45
+Production('selection-statement', ['if', 'exp', 'left-brace', 'code-list', 'right-brace', 'selection-follow'],
+           None, [None, 'SelectionStatement45C1', None, 'SelectionStatement45C3', None, 'SelectionStatement45C5'], 'SelectionStatement45E',
+           ),
+# 46
+Production('selection-follow', ['else', 'left-brace', 'code-list', 'right-brace'],
+           None, [None, None, 'SelectionFollow46C2', None], 'SelectionFollow46E',
+           ),
+# 47
+Production('selection-follow', [],
+           None, [], 'SelectionFollow47E',
+           ),
+# 48
+Production('iteration-statement', ['while', 'exp', 'left-brace', 'code-list', 'right-brace'],
+           None, [None, "IterationStatement48C1", None, 'IterationStatement48C3', None], 'IterationStatement48E',
+           ),
+# 49
+Production('return-statement', ['return', 'return-follow'],
+           None, [None, 'ReturnStatement49C1'], "ReturnStatement49E",
+           ),
+# 50
+Production('return-follow', ['semicolon'],
+           None, [None], "ReturnFollow50E",
+           ),
+# 51
+Production('return-follow', ['exp', 'semicolon'],
+           None, ['ReturnFollow51C0', None], 'ReturnFollow51E',
+           ),
+# 52
+Production('exp', ['additive-expr', 'exp-follow'],
+           None, ['Exp52C0', 'Exp52C1'], 'Exp52E'),
+# 53
+Production('exp-follow', ['rel-op', 'additive-expr'],
+           None, [None, 'ExpFollow53C1'], 'ExpFollow53E'),
+# 54
+Production('exp-follow', [],
+           None, [], 'ExpFollow54E'),
+# 55
+Production('rel-op', ['smaller-equal'],
+           None, [None], 'RelOp55E'),
+# 56
+Production('rel-op', ['smaller'],
+           None, [None], 'RelOp56E'),
+# 57
+Production('rel-op', ['bigger'],
+           None, [None], 'RelOp57E'),
+# 58
+Production('rel-op', ['bigger-equal'],
+           None, [None], 'RelOp58E'),
+# 59
+Production('rel-op', ['equal'],
+           None, [None], 'RelOp59E'),
+# 60
+Production('rel-op', ['not-equal'],
+           None, [None], 'RelOp60E'),
+# 61
+Production('additive-expr', ['term', 'additive-expr-follow'],
+           None, ['AdditiveExpr61C0', 'AdditiveExpr61C1'], 'AdditiveExpr61E'),
+# 62
+Production('additive-expr-follow', ['add-op', 'term', 'additive-expr-follow'],
+           None, [None, 'AdditiveExprFollow62C1', 'AdditiveExprFollow62C2'], 'AdditiveExprFollow62E'),
+# 63
+Production('additive-expr-follow', [],
+           None, [], 'AdditiveExprFollow63E'),
+# 64
+Production('add-op', ['addition'],
+           None, [None], 'AddOp64E'),
+# 65
+Production('add-op', ['subtraction'],
+           None, [None], 'AddOp65E'),
+# 66
+Production('term', ['factor', 'term-follow'],
+           None, ['Term66C0', 'Term66C1'], 'Term66E'),
+# 67
+Production('term-follow', ['mul-op', 'factor', 'term-follow'],
+           None, [None, 'TermFollow67C1', 'TermFollow67C2'], 'TermFollow67E'),
+# 68
+Production('term-follow', [],
+           None, [], 'TermFollow68E'),
+# 69
+Production('mul-op', ['multiplication'],
+           None, [None], 'MulOp69E'),
+# 70
+Production('mul-op', ['division'],
+           None, [None], 'MulOp70E'),
+# 71
+Production('factor', ['left-parentheses', 'exp', 'right-parentheses'],
+           None, [None, 'Factor71C1', None], 'Factor71E'),
+# 72
+Production('factor', ['id', 'id-factor-follow'],
+           None, [None, 'Factor72C1'], 'Factor72E'),
+# 73
+Production('factor', ['int-num'],
+           None, [None], 'Factor73E'),
+# 74
+Production('id-factor-follow', ['var-follow'],
+           None, [None], 'IdFactorFollow74E'),
+# 75
+Production('id-factor-follow', ['left-parentheses', 'args', 'right-parentheses'],
+           None, [None, 'IdFactorFollow75C1', None], 'IdFactorFollow75E'),
+# 76
+Production('args', ['arg-list'],
+           None, ['Args76C0'], 'Args76E'),
+# 77
+Production('args', [],
+           None, [], 'Args77E'),
+# 78
+Production('arg-list', ['exp', 'arg-list-follow'],
+           None, ['ArgList78C0', 'ArgList78C1'], 'ArgList78E'),
+# 79
+Production('arg-list-follow', ['comma', 'exp', 'arg-list-follow'],
+           None, [None, 'ArgListFollow79C1', 'ArgListFollow79C2'], 'ArgListFollow79E'),
+# 80
+Production('arg-list-follow', [],
+           None, [], 'ArgListFollow80E'),
+
+# 81
+Production('arraylist-with-num', [],
+           None, [], 'ArrayListWithNum81E',
+           ),
+# 82
+Production('arraylist-with-num', ['left-bracket', 'int-num', 'right-bracket'],
+           None, [None, None, None], 'ArrayListWithNum82E',
+           ),
+
+# 83
+Production('factor', ['float-num'],
+           None, [None], 'Factor83E'),
+
+# 84
+Production('mul-op', ['yushu'],
+           None, [None], 'MulOp84E'),
+```
+
+
+

main.py

@@ -6,6 +6,8 @@ from syntax.syntax import Syntax
 from syntax.syntax import LL1Generator
 import sys
 
+from semantic.rule import symbol_table_pool
+
 # print(PredictingAnalysisTable().compile())
 
 # obj = LL1Generator()
@@ -38,6 +40,7 @@ if lexical_success:
     syntax_success = syntax.execute()
     print('语法分析和语义分析是否成功\t', syntax_success)
     if syntax_success:
+        print(symbol_table_pool.debug())
         print()
         print('语义分析结果:\t')
         print('四元式代码:\t')

semantic/rule.py

@@ -504,7 +504,6 @@ class Program0E(SemanticRule):
     def __rule(self, node):
         for c in node.children[0].code:
             node.code.append(c)
-        symbol_table_pool.debug()
 
     def execute(self):
         self.__rule(self.node)

semantic/symbol.py

@@ -132,8 +132,10 @@ class SymbolTablePool:
         self.local_var_tables.append(local_var_table)
 
     def debug(self):
+        output = []
+
         # Global Variable Table
-        print("Global Variable Table:")
+        output.append("Global Variable Table:")
         table = PrettyTable()
         table.field_names = ["Name", "Type", "Width", "Offset"]
         for symbol in self.global_var_table._table:
@@ -143,10 +145,10 @@ class SymbolTablePool:
                 getattr(symbol, "width", ""),
                 getattr(symbol, "offset", "")
             ])
-        print(table)
+        output.append(str(table))
 
         # Function Table
-        print("\nFunction Table:")
+        output.append("\nFunction Table:")
         fun_table = PrettyTable()
         fun_table.field_names = ["Function Name", "Return Type", "Local Var Table"]
         for fun in self.fun_table._table:
@@ -157,12 +159,12 @@ class SymbolTablePool:
                 getattr(fun, "return_type", ""),
                 local_table_name
             ])
-        print(fun_table)
+        output.append(str(fun_table))
 
         # Local Variable Tables
-        print("\nLocal Variable Tables:")
+        output.append("\nLocal Variable Tables:")
         for table_obj in self.local_var_tables:
-            print(f"LocalVarTable: {table_obj.name}")
+            output.append(f"LocalVarTable: {table_obj.name}")
             local_table = PrettyTable()
             local_table.field_names = ["Name", "Type", "Width", "Offset", "Is Param"]
             for symbol in table_obj._table:
@@ -173,7 +175,9 @@ class SymbolTablePool:
                     getattr(symbol, "offset", ""),
                     getattr(symbol, "is_param", "")
                 ])
-            print(local_table)
+            output.append(str(local_table))
+
+        return "\n".join(output)
 
 
 class GlobalVarTable(SymbolTable):

syntax/rule.py

@@ -82,86 +82,6 @@ class Production:
         return self.str[0]
 
 
-"""
-1.  program -> define-list
-2.  define-list -> define define-list
-                 | empty
-3.  define -> type ID define-type
-4.  define-type -> var-define-follow
-                 | fun-define-follow
-5.  var-define-follow -> ;
-                 | [ NUM ] ;
-6.  type ->    int
-             | void
-7.  fun-define-follow -> ( params ) code-block
-8.  params -> param-list
-                | empty
-9.  param-list -> param param-follow
-10. param-follow -> , param param-follow
-                | empty
-11. param -> type ID array-subscript
-12. array-subscript -> [ ]
-                | empty
-13. code-block -> { local-define-list code-list }
-14. local-define-list -> local-var-define local-define-list
-                | empty
-15. local-var-define -> type ID var-define-follow
-16. code-list -> code code-list
-                | empty
-17. code -> normal-statement
-                | selection-statement
-                | iteration-statement
-                | return-statement
-18. normal-statement -> ;
-                | ID normal-statement-follow
-19. normal-statement-follow -> var-follow = exp ;
-                | call-follow ;
-20. call-follow -> ( call-params )
-21. call-params -> call-param-list
-                | empty
-22. call-param-list -> exp call-param-follow
-23. call-param-follow -> , exp call-param-follow
-                | empty
-24. selection-statement -> if ( exp ) { code-list } selection-follow
-25. selection-follow -> else { code-list }
-                | empty
-26. iteration-statement -> while ( exp ) iteration-follow
-27. iteration-follow -> { code-list }
-                | code
-28. return-statement -> return return-follow
-29. return-follow -> ;
-                | exp ;
-30. var-follow -> [ exp ]
-                | empty
-31. exp -> additive-expr exp-follow
-32. exp-follow -> rel-op additive-expr
-                | empty
-33. rel-op ->     <=
-                | <
-                | >
-                | >=
-                | ==
-                | !=
-34. additive-expr -> term additive-expr-follow
-35. additive-expr-follow -> add-op term additive-expr-follow
-                | empty
-36. add-op ->     +
-                | -
-37. term -> factor term-follow
-38. term-follow -> mul-op factor term-follow
-                | empty
-39. mul-op ->     *
-                | /
-40. factor -> ( exp )
-                | ID id-factor-follow | NUM
-41. id-factor-follow -> var-follow
-                | ( args )
-42. args -> arg-list
-                | empty
-43. arg-list -> exp arg-list-follow
-44. arg-list-follow -> , exp arg-list-follow
-                | empty
-"""
 
 
 # 所有终结符的类型

tk_ui.py

@@ -2,6 +2,8 @@ import tkinter as tk
 from tkinter import scrolledtext, messagebox
 from lexical.lexical import Lexical
 from syntax.syntax import Syntax
+from semantic.rule import symbol_table_pool
+from syntax.syntax import LL1Generator
 
 def process_code(input_code):
     lexical = Lexical()
@@ -20,6 +22,8 @@ def process_code(input_code):
         syntax_success = syntax.execute()
         output.append('语法分析和语义分析是否成功\t' + str(syntax_success))
         if syntax_success:
+            output.append("\n符号表信息:\t")
+            output.append(symbol_table_pool.debug())
             output.append('\n语义分析结果:\t')
             output.append('四元式代码:\t')
             i = -1
@@ -46,7 +50,7 @@ def on_submit():
         messagebox.showerror("程序异常", str(e))
 
 root = tk.Tk()
-root.title("C 语言编译器前端演示")
+root.title("Hydrogen语言编译器前端演示")
 
 # 输入框
 input_text = scrolledtext.ScrolledText(root, width=80, height=20)
@@ -57,7 +61,7 @@ submit_btn = tk.Button(root, text="提交", command=on_submit)
 submit_btn.pack(pady=5)
 
 # 输出框
-output_text = scrolledtext.ScrolledText(root, width=80, height=20, bg="#000000")
+output_text = scrolledtext.ScrolledText(root, width=80, height=20, bg="#ffffff")
 output_text.pack(padx=10, pady=5)
 
 # 错误信息框