/// <summary>
/// 获取插件程序集对应的pdb文件路径
/// </summary>
/// <param name="info">插件信息</param>
/// <returns></returns>
public static string AssemblyPdbPath(this PluginInfo info) {
return Path.Combine(info.BinDirectory(), $"{info.DirectoryName()}.pdb");
}
/// <summary>
/// 获取保存编译信息的文件路径
/// 这个文件中有源代码和修改时间的列表
/// 用于检测是否需要重新编译
/// </summary>
/// <param name="info">插件信息</param>
/// <returns></returns>
public static string CompileInfoPath(this PluginInfo info) {
return Path.Combine(info.BinDirectory(), "CompileInfo.txt");
}
/// <summary>
/// 编译插件
/// </summary>
/// <param name="info">插件信息</param>
public static void Compile(this PluginInfo info) {
// 获取插件的源代码文件列表和各个路径
var sourceDirectory = info.SourceDirectory();
var sourceFiles = info.SourceFiles();
var assemblyPath = info.AssemblyPath();
var assemblyPdbPath = info.AssemblyPdbPath();
var compileInfoPath = info.CompileInfoPath();
// 检查是否需要重新编译
// 会通过对比所有源文件的修改时间是否一致来检查
// 没有源文件时表示只有资源文件或不开源，不需要重新编译
var existCompileInfo = "";
if (File.Exists(compileInfoPath)) {
existCompileInfo = File.ReadAllText(compileInfoPath);
}
var compileInfo = string.Join("\r\n", sourceFiles
.Select(s => new {
path = s.Substring(sourceDirectory.Length + 1),
time = File.GetLastWriteTime(s)
}) // 相对路径和修改时间
.OrderBy(s => s.path) // 固定排序
.Select(s => $"{s.path} {s.time}")); // 生成文本
if (sourceFiles.Length > 0 && compileInfo != existCompileInfo) {
// 重新编译前把原来的文件重命名为old文件
if (File.Exists(assemblyPath)) {
File.Move(assemblyPath, $"{assemblyPath}.{DateTime.UtcNow.Ticks}.old");
}
if (File.Exists(assemblyPdbPath)) {
File.Move(assemblyPdbPath, $"{assemblyPdbPath}.{DateTime.UtcNow.Ticks}.old");
}
// 编译，debug = true可以生成pdb文件以支持断点
var references = info.References.Concat(DefaultReferences);
var referenceLocations = references.Select(
r => Assembly.Load(r).Location).ToArray();
Directory.CreateDirectory(info.BinDirectory());
CSScript.CompileFiles(sourceFiles, assemblyPath, true, referenceLocations);
// 保存编译信息
File.WriteAllText(compileInfoPath, compileInfo);
// 删除old文件
// 有可能因为文件占用而删除不成功，忽略删除失败时的例外
Directory.EnumerateFiles(info.BinDirectory(), "*.old").ForEach(
path => { try { File.Delete(path); } catch { } });
}
}
