mirror of
https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-24 18:16:34 +08:00
修改了http服务器无法正确处理post请求入参；添加了modbus tcp客户端支持。
This commit is contained in:
fengjiayi
464
Serein.Script/SereinScriptToCsharpScript.cs
Normal file
464
Serein.Script/SereinScriptToCsharpScript.cs
Normal file
@@ -0,0 +1,464 @@
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using Newtonsoft.Json.Linq;
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using Serein.Library;
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using Serein.Script.Node;
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using Serein.Script.Node.FlowControl;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Net.Security;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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namespace Serein.Script
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{
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/// <summary>
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/// 将 Serein 脚本转换为 C# 脚本的类
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/// </summary>
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internal class SereinScriptToCsharpScript
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{
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/// <summary>
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/// 符号表
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/// </summary>
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private readonly Dictionary<ASTNode, Type> _symbolInfos;
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/// <summary>
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/// 记录方法节点是否需要异步调用
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/// </summary>
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private readonly Dictionary<ASTNode, bool> _asyncMethods;
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/// <summary>
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/// 临时变量表
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/// </summary>
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private readonly Dictionary<string, Type> _local = [];
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private bool _isTaskMain = false;
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public SereinScriptToCsharpScript(SereinScriptTypeAnalysis analysis)
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{
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_symbolInfos = analysis.NodeSymbolInfos;
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_asyncMethods = analysis.AsyncMethods;
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_isTaskMain = _asyncMethods.Any(kvp => kvp.Value);
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}
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private readonly StringBuilder _codeBuilder = new StringBuilder();
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private int _indentLevel = 0;
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private void AppendLine(string code)
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{
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_codeBuilder.AppendLine(new string(' ', _indentLevel * 4) + code);
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}
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private void Append(string code)
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{
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_codeBuilder.Append(code);
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}
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private void Indent() => _indentLevel++;
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private void Unindent() => _indentLevel--;
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private List<Action<StringBuilder>> _classDefinitions = new List<Action<StringBuilder>>();
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public string CompileToCSharp(string mehtodName, ProgramNode programNode, Dictionary<string, Type>? param)
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{
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_codeBuilder.Clear();
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var sb = _codeBuilder;
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var methodResultType = _symbolInfos[programNode];
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if(methodResultType == typeof(void))
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{
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methodResultType = typeof(object);
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}
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var taskFullName = typeof(Task).FullName;
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var returnContent = _isTaskMain ? $"global::{taskFullName}<global::{methodResultType.FullName}>" : $"global::{methodResultType.FullName}";
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AppendLine("public class SereinScriptToCsharp");
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AppendLine( "{");
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Indent();
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if(param is null || param.Count == 0)
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{
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AppendLine($"public static {returnContent} {mehtodName}()");
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}
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else
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{
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AppendLine($"public static {returnContent} {mehtodName}({GetMethodParamster(param)})");
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}
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AppendLine( "{");
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Indent();
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foreach (var stmt in programNode.Statements)
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{
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ConvertCode(stmt); // 递归遍历
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Append(";");
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}
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if(!_symbolInfos.Keys.Any(node => node is ReturnNode))
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{
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AppendLine("return null;");
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}
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Unindent();
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AppendLine("}");
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Unindent();
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AppendLine("}");
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foreach (var cd in _classDefinitions)
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{
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cd.Invoke(sb);
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}
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return sb.ToString();
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}
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private string GetMethodParamster(Dictionary<string, Type> param)
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{
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var values = param.Select(kvp =>
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{
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_local[kvp.Key] = kvp.Value;
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return $"global::{kvp.Value.FullName} {kvp.Key}";
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});
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return string.Join(',', values);
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}
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private void ConvertCode( ASTNode node)
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{
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switch (node)
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{
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case ProgramNode programNode: // 程序开始节点
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break;
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case ReturnNode returnNode: // 程序退出节点
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void ConvertCodeOfReturnNode(ReturnNode returnNode)
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{
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if (returnNode.Value is not null)
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{
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Append($"return ");
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ConvertCode(returnNode.Value);
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Append(";");
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AppendLine(string.Empty);
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}
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else
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{
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AppendLine("return defult;");
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}
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}
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ConvertCodeOfReturnNode(returnNode);
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break;
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#region 字面量解析
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case NullNode nullNode: // null
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Append("null");
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break;
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case CharNode charNode: // char字面量
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Append($"'{charNode.Value}'");
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break;
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case StringNode stringNode: // 字符串字面量
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Append($"\"{stringNode.Value}\"");
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break;
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case BooleanNode booleanNode: // 布尔值字面量
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Append($"{(booleanNode.Value ? "true" : "false")}");
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break;
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case NumberIntNode numberIntNode: // int整型数值字面量
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Append($"{numberIntNode.Value}");
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break;
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case NumberLongNode numberLongNode: // long整型数值字面量
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Append($"{numberLongNode.Value}");
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break;
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case NumberFloatNode numberFloatNode: // float浮点数值字面量
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Append($"{numberFloatNode.Value}f");
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break;
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case NumberDoubleNode numberDoubleNode: // double浮点数值字面量
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Append($"{numberDoubleNode.Value}d");
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break;
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#endregion
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case IdentifierNode identifierNode: // 变量定义
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void ConvertCodeOfIdentifierNode(IdentifierNode identifierNode)
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{
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var varName = identifierNode.Name;
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if(_local.TryGetValue(varName, out var type))
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{
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// 定义过，需要使用变量
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Append(varName);
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}
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else
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{
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if (_symbolInfos.TryGetValue(identifierNode, out type))
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{
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// 不存在，定义变量
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Append($"global::{type.FullName} {varName}");
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_local[varName] = type;
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//Append(varName);
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}
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else
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{
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throw new Exception($"加载符号表时，无法匹配 IdentifierNode 节点的类型。 name ： {varName}");
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}
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}
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}
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ConvertCodeOfIdentifierNode(identifierNode);
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break;
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case IfNode ifNode: // if语句结构
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void ConvertCodeOfIfNode(IfNode ifNOde)
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{
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AppendLine("");
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Append($"if(");
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ConvertCode(ifNOde.Condition); // 解析条件
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Append($" == true)");
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AppendLine("{");
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Indent();
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foreach(var item in ifNOde.TrueBranch)
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{
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ConvertCode(item);
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//Append(";");
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AppendLine(string.Empty);
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}
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Unindent();
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AppendLine("}");
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AppendLine("else");
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AppendLine("{");
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Indent();
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foreach (var item in ifNOde.TrueBranch)
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{
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ConvertCode(item);
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//Append(";");
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AppendLine(string.Empty);
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}
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Unindent();
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AppendLine("}");
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}
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ConvertCodeOfIfNode(ifNode);
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break;
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case WhileNode whileNode: // while语句结构
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void ConvertCodeOfWhileNode(WhileNode whileNode)
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{
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AppendLine("");
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Append($"while(");
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ConvertCode(whileNode.Condition); // 解析条件
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Append($" == {true})");
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AppendLine("{");
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Indent();
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foreach (var item in whileNode.Body)
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{
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ConvertCode(item);
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Append(";");
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AppendLine(string.Empty);
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}
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Unindent();
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AppendLine("}");
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}
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ConvertCodeOfWhileNode(whileNode);
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break;
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case AssignmentNode assignmentNode: // 变量赋值语句
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void ConvertCodeOfAssignmentNode(AssignmentNode assignmentNode)
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{
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ConvertCode(assignmentNode.Target);
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Append(" = ");
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if (assignmentNode.Value is null)
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{
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Append("null");
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}
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else
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{
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ConvertCode(assignmentNode.Value);
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}
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Append(";");
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AppendLine(string.Empty);
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}
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ConvertCodeOfAssignmentNode(assignmentNode);
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break;
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case BinaryOperationNode binaryOperationNode: // 二元运算操作
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void ConvertCodeOfBinaryOperationNode(BinaryOperationNode binaryOperationNode)
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{
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Append("(");
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ConvertCode(binaryOperationNode.Left); // 左操作数
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Append(binaryOperationNode.Operator); // 操作符
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ConvertCode(binaryOperationNode.Right); // 左操作数
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Append(")");
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}
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ConvertCodeOfBinaryOperationNode(binaryOperationNode);
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break;
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case CollectionAssignmentNode collectionAssignmentNode:
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void ConvertCodeOfCollectionAssignmentNode(CollectionAssignmentNode collectionAssignmentNode)
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{
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ConvertCode(collectionAssignmentNode.Collection);
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Append(" = ");
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ConvertCode(collectionAssignmentNode.Value);
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Append(";");
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AppendLine(string.Empty);
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}
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ConvertCodeOfCollectionAssignmentNode(collectionAssignmentNode);
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break;
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case CollectionIndexNode collectionIndexNode: // 集合类型操作
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void ConvertCodeOfCollectionIndexNode(CollectionIndexNode collectionIndexNode)
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{
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ConvertCode(collectionIndexNode.Collection);
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Append("[");
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ConvertCode(collectionIndexNode.Index);
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Append("]");
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}
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ConvertCodeOfCollectionIndexNode(collectionIndexNode);
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break;
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case ClassTypeDefinitionNode classTypeDefinitionNode: // 类型定义
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void ConvertCodeOfClassTypeDefinitionNode(ClassTypeDefinitionNode classTypeDefinitionNode)
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{
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_classDefinitions.Add((sb) =>
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{
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var type = _symbolInfos[classTypeDefinitionNode.ClassType];
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AppendLine($"public class {type.FullName}");
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AppendLine("{");
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Indent();
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foreach (var property in classTypeDefinitionNode.Propertys)
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{
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var propertyName = property.Key;
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var propertyType = _symbolInfos[property.Value];
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AppendLine($"public global::{propertyType.FullName} {propertyName} {{ get; set; }}");
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}
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Unindent();
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AppendLine("}");
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});
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}
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ConvertCodeOfClassTypeDefinitionNode(classTypeDefinitionNode);
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break;
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case TypeNode typeNode: // 类型
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break;
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case ObjectInstantiationNode objectInstantiationNode: // 类型实例化
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void ConvertCodeOfObjectInstantiationNode(ObjectInstantiationNode objectInstantiationNode)
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{
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var type = _symbolInfos[objectInstantiationNode.Type];
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Append($"new global::{type}");
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if (objectInstantiationNode.Arguments.Count > 0)
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{
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Append("(");
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for (int i = 0; i < objectInstantiationNode.Arguments.Count; i++)
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{
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ConvertCode(objectInstantiationNode.Arguments[i]);
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if (i < objectInstantiationNode.Arguments.Count - 1)
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{
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Append(", ");
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}
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}
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Append(")");
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}
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else
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{
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Append("()");
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}
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if (objectInstantiationNode.CtorAssignments.Count > 0)
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{
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AppendLine("{");
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Indent();
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foreach (var assignment in objectInstantiationNode.CtorAssignments)
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{
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ConvertCode(assignment);
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}
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Unindent();
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AppendLine("}");
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}
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}
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ConvertCodeOfObjectInstantiationNode(objectInstantiationNode);
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break;
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case CtorAssignmentNode ctorAssignmentNode: // 构造器赋值
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void ConvertCodeOfCtorAssignmentNode(CtorAssignmentNode ctorAssignmentNode)
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{
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var propertyName = ctorAssignmentNode.MemberName;
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var value = ctorAssignmentNode.Value;
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Append($"{propertyName} = ");
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ConvertCode(value);
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AppendLine(",");
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}
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ConvertCodeOfCtorAssignmentNode(ctorAssignmentNode);
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break;
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case MemberAccessNode memberAccessNode: // 对象成员访问
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void ConvertCodeOfMemberAccessNode(MemberAccessNode memberAccessNode)
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{
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ConvertCode(memberAccessNode.Object);
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Append($".{memberAccessNode.MemberName}");
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}
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ConvertCodeOfMemberAccessNode(memberAccessNode);
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break;
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case MemberAssignmentNode memberAssignmentNode: // 对象成员赋值
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void ConvertCodeOfMemberAssignmentNode(MemberAssignmentNode memberAssignmentNode)
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{
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ConvertCode(memberAssignmentNode.Object);
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Append($".{memberAssignmentNode.MemberName} = ");
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ConvertCode(memberAssignmentNode.Value);
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Append($";");
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AppendLine(string.Empty);
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}
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ConvertCodeOfMemberAssignmentNode(memberAssignmentNode);
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break;
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case MemberFunctionCallNode memberFunctionCallNode: // 对象方法调用
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void ConvertCodeOfMemberFunctionCallNode(MemberFunctionCallNode memberFunctionCallNode)
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{
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var isAsync = _asyncMethods.TryGetValue(memberFunctionCallNode, out var isAsyncValue) && isAsyncValue;
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if (isAsync)
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{
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Append($"(await ");
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}
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ConvertCode(memberFunctionCallNode.Object);
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Append($".{memberFunctionCallNode.FunctionName}(");
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for (int i = 0; i < memberFunctionCallNode.Arguments.Count; i++)
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{
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ASTNode? argNode = memberFunctionCallNode.Arguments[i];
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ConvertCode(argNode);
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if (i < memberFunctionCallNode.Arguments.Count - 1)
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{
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Append(", ");
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}
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}
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Append($")");
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if (isAsync)
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{
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Append($")");
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}
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}
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ConvertCodeOfMemberFunctionCallNode(memberFunctionCallNode);
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break;
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case FunctionCallNode functionCallNode: // 外部挂载的函数调用
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void ConvertCodeOfFunctionCallNode(FunctionCallNode functionCallNode)
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{
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var isAsync = _asyncMethods.TryGetValue(functionCallNode, out var isAsyncValue) && isAsyncValue;
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if (isAsync)
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{
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Append($"(await ");
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}
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var funcName = functionCallNode.FunctionName switch
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{
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"int" => "@int" ,
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"bool" => "@bool" ,
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"double" => "@double" ,
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"long" => "@long" ,
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"decimal" => "@decimal" ,
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"float" => "@float" ,
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"byte" => "@byte" ,
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_ => functionCallNode.FunctionName,
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};
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Append($"global::Serein.Library.ScriptBaseFunc.{funcName}(");
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for (int i = 0; i < functionCallNode.Arguments.Count; i++)
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{
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ASTNode? argNode = functionCallNode.Arguments[i];
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ConvertCode(argNode);
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if (i < functionCallNode.Arguments.Count - 1)
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{
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Append(", ");
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}
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}
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Append($")");
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if (isAsync)
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{
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Append($")");
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}
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}
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ConvertCodeOfFunctionCallNode(functionCallNode);
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break;
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default: // 未定义的节点类型
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break;
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}
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}
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}
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}
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