EP RScript
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325
Convention/[RScript]/ScriptContent.cs
Normal file
325
Convention/[RScript]/ScriptContent.cs
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@@ -0,0 +1,325 @@
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using System.Reflection;
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using System.Text.RegularExpressions;
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namespace Convention.RScript
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{
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public partial class ScriptContent
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{
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public object RuntimeBindingTarget;
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public struct RuntimeContext
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{
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public int iterator;
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public bool isResetIterator;
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public static RuntimeContext Create()
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{
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return new RuntimeContext()
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{
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iterator = 0,
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isResetIterator = false
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};
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}
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public RuntimeContext Clone()
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{
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return new()
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{
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iterator = iterator,
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isResetIterator = isResetIterator
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};
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}
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}
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public class ScriptDataEntry
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{
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public string text;
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public string command;
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public string[] parameters;
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public int iterator;
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public Func<RuntimeContext, RuntimeContext> actor;
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}
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private List<ScriptDataEntry> Commands = new();
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// 预处理工具
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public static int LastIndexOfNextTerminalTail(string text, int i, string terminal)
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{
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return text.IndexOf(terminal, i) + terminal.Length - 1;
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}
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public static bool StartWithSpecialTerminal(string text,int i)
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{
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switch (text[i])
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{
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case '{':
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case '}':
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return true;
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default:
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return false;
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}
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}
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public const string SingleLineTerminal = "//";
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public const string MultiLineBeginTerminal = "/*";
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public const string MultiLineEndTerminal = "*/";
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public const string TextTerminal = "\"";
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public static bool StartWithSingleLineTerminal(string text, int i)
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{
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int length = SingleLineTerminal.Length;
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if (text.Length - i < length)
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return false;
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return string.Compare(text, i, SingleLineTerminal, 0, length) == 0;
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}
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public static bool StartWithMultiLineTerminal(string text, int i)
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{
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int length = MultiLineBeginTerminal.Length;
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if (text.Length - i < length)
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return false;
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return string.Compare(text, i, MultiLineBeginTerminal, 0, length) == 0;
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}
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public static bool StartWithTextTerminal(string text, int i)
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{
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int length = TextTerminal.Length;
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if (text.Length - i < length)
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return false;
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return string.Compare(text, i, TextTerminal, 0, length) == 0;
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}
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public static int LastIndexOfNextTextTerminalTail(string text, int i,out string buffer)
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{
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char terminal = TextTerminal[0];
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int __head = i + 1;
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buffer = "";
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for (int __tail = text.Length; __head < __tail && text[__head] != terminal;)
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{
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if (text[__head] == '\\')
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{
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switch (text[__head+1])
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{
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case 'n':
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{
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buffer += '\n';
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}
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break;
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case 't':
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{
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buffer += '\t';
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}
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break;
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case 'r':
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{
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buffer += '\r';
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}
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break;
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case '0':
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{
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buffer += '\0';
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}
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break;
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default:
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{
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buffer += text[__head + 1];
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}
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break;
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}
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__head += 2;
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}
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else
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{
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buffer += text[__head];
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__head++;
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}
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}
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return __head;
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}
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// 文本预处理
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private void ScriptTextPreprocessing(string script)
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{
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string buffer = "";
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void PushBuffer()
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{
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if (string.IsNullOrEmpty(buffer) == false)
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{
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Commands.Add(new()
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{
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text = buffer.Trim(),
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iterator = Commands.Count
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});
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}
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buffer = "";
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}
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Func<int, bool> loopPr = x => x < script.Length;
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for (int i = 0; loopPr(i); i++)
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{
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// 切断语句\
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if (script[i] == ';')
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{
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PushBuffer();
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}
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// 读入特殊标记符
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else if (StartWithSpecialTerminal(script, i))
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{
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PushBuffer();
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buffer += script[i];
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PushBuffer();
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}
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// 跳过单行注释
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else if (StartWithSingleLineTerminal(script, i))
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{
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i = LastIndexOfNextTerminalTail(script, i, "\n");
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}
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// 跳过多行注释
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else if (StartWithMultiLineTerminal(script, i))
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{
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i = LastIndexOfNextTerminalTail(script, i, MultiLineEndTerminal);
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}
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// 读入文本
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else if (StartWithTextTerminal(script, i))
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{
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i = LastIndexOfNextTextTerminalTail(script, i, out var temp);
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buffer += temp;
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}
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// 读入
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else if (loopPr(i))
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buffer += script[i];
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}
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// 存在未完成的语句
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if (string.IsNullOrEmpty(buffer) == false)
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throw new ArgumentException("The script did not end with the correct terminator.");
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}
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// 指令预处理工具
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private Dictionary<int, ScriptDataEntry> CommandIndexs = new();
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private Dictionary<string, int> LabelIndexs = new();
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public const string GotoTerminal = "goto";
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public const string LabelTerminal = "label";
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public const string IfTerminal = "if";
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// 指令预处理
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private void CommandPreprocessing()
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{
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static GroupCollection Match(ScriptDataEntry entry, [StringSyntax(StringSyntaxAttribute.Regex)] string pattern)
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{
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Match match = Regex.Match(entry.text, pattern);
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if (!match.Success)
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throw new ArgumentException($"Script: \"{entry.text}\"<command iterator: {entry.iterator}> is invalid statement");
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return match.Groups;
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}
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// 加入自由映射
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foreach (var entry in Commands)
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{
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CommandIndexs.Add(entry.iterator, entry);
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}
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// 匹配
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foreach (var entry in Commands)
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{
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if (
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// goto label-name;
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entry.text.StartsWith(GotoTerminal)||
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// label label-name;
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entry.text.StartsWith(LabelTerminal)
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)
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{
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var groups = Match(entry, @"^(\S*)\s+([^\s]+?)\s*;$");
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entry.command = groups[1].Value;
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entry.parameters = new string[] { groups[2].Value };
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// touch label
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if (entry.command == LabelTerminal)
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{
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LabelIndexs.Add(groups[2].Value, entry.iterator);
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}
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}
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else if (
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// if(expr)
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entry.text.StartsWith(IfTerminal)
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)
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{
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var groups = Match(entry, @"^(\S*)\s*(.*?)$");
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entry.command = groups[1].Value;
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entry.parameters = new string[] { groups[2].Value };
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}
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else
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{
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var groups = Match(entry, @"^(\w+)\s*\(\s*(.*?)\s*\)\s*;$");
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entry.command = groups[1].Value;
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static string[] ParseArguments(string argumentsString)
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{
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if (string.IsNullOrWhiteSpace(argumentsString))
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return new string[0];
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// 处理字符串字面量和普通参数的正则表达式
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string argPattern = @"""(?:[^""\\]|\\.)*""|[^,]+";
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return Regex.Matches(argumentsString, argPattern)
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.Cast<Match>()
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.Select(m => m.Value.Trim())
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.Where(arg => !string.IsNullOrEmpty(arg))
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.ToArray();
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}
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entry.parameters = ParseArguments(groups[2].Value);
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}
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}
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}
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// 指令转化
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private void LoopForTC2AC()
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{
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Dictionary<string, MethodInfo> cache = (from method in RuntimeBindingTarget.GetType().GetMethods()
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select new KeyValuePair<string, MethodInfo>(method.Name, method)).ToDictionary();
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for (int index = 0, e = Commands.Count; index < e; index++)
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{
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var entry = Commands[index];
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// Keywords
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if (entry.command == GotoTerminal)
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{
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entry.actor = context =>
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{
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var next = context.Clone();
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next.iterator = LabelIndexs[entry.parameters[0]];
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next.isResetIterator = true;
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return next;
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};
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}
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// Custom Binding
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else if(cache.TryGetValue(entry.command,out var methodInfo))
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{
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entry.actor = context =>
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{
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return context.Clone();
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};
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}
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else
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{
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}
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}
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}
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public void LoadScript(string script)
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{
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ScriptTextPreprocessing(script);
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CommandPreprocessing();
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LoopForTC2AC();
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}
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}
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}
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29
Convention/[RScript]/ScriptRunner.cs
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29
Convention/[RScript]/ScriptRunner.cs
Normal file
@@ -0,0 +1,29 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Convention.RScript
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{
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public class ScriptRunner
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{
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public ScriptContent BuildNewContent(object target)
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{
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return new()
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{
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RuntimeBindingTarget = target,
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};
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}
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public ScriptContent BuildNewContent()
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{
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return BuildNewContent(null);
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}
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public void RunScriptFromContent(ScriptContent content)
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{
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}
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}
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}
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@@ -1,23 +1,10 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Threading;
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using Convention;
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using Convention.EasySave;
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using Convention.Symbolization;
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using Convention.Test;
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public class Program
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{
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static void Main(string[] args)
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{
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Console.WriteLine("Convention-CSharp 测试程序");
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Console.WriteLine("==========================");
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// 运行文件功能测试
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FileTest.RunTests();
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Console.WriteLine("\n按任意键退出...");
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Console.ReadKey();
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}
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}
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Block a user