[英]C# and Metadata File Errors
I've created my own little c# compiler using the tutorial on MSDN, and it's not working properly. 我使用MSDN上的教程创建了自己的小c#编译器,但它无法正常工作。 I get a few errors, then I fix them, then I get new, different errors, then I fix them, etc etc.
我得到一些错误,然后我修复它们,然后我得到新的,不同的错误,然后我修复它们等等。
The latest error is really confusing me. 最新的错误让我很困惑。
---------------------------
---------------------------
Line number: 0, Error number: CS0006, 'Metadata file 'System.Linq.dll' could not be found;
---------------------------
OK
---------------------------
I do not know what this means. 我不知道这是什么意思。
Can somebody please explain what's going on here? 有人可以解释一下这里发生了什么吗?
Here is my code. 这是我的代码。
MY SAMPLE C# COMPILER CODE: using System;
我的样本C#编译器代码:使用系统;
namespace JTM
{
public class CSCompiler
{
protected string ot,
rt,
ss, es;
protected bool rg, cg;
public string Compile(String se, String fe, String[] rdas, String[] fs, Boolean rn)
{
System.CodeDom.Compiler.CodeDomProvider CODEPROV = System.CodeDom.Compiler.CodeDomProvider.CreateProvider("CSharp");
ot =
fe;
System.CodeDom.Compiler.CompilerParameters PARAMS = new System.CodeDom.Compiler.CompilerParameters();
// Ensure the compiler generates an EXE file, not a DLL.
PARAMS.GenerateExecutable = true;
PARAMS.OutputAssembly = ot;
foreach (String ay in rdas)
{
if (ay.Contains(".dll"))
PARAMS.ReferencedAssemblies.Add(ay);
else
{
string refd = ay;
refd = refd + ".dll";
PARAMS.ReferencedAssemblies.Add(refd);
}
}
System.CodeDom.Compiler.CompilerResults rs = CODEPROV.CompileAssemblyFromFile(PARAMS, fs);
if (rs.Errors.Count > 0)
{
foreach (System.CodeDom.Compiler.CompilerError COMERR in rs.Errors)
{
es = es +
"Line number: " + COMERR.Line +
", Error number: " + COMERR.ErrorNumber +
", '" + COMERR.ErrorText + ";" +
Environment.NewLine + Environment.NewLine;
}
}
else
{
// Compilation succeeded.
es = "Compilation Succeeded.";
if (rn) System.Diagnostics.Process.Start(ot);
}
return es;
}
}
}
... And here is the app that passes the code to the above class: ...这是将代码传递给上述类的应用程序:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
string[] f = { "Form1.cs", "Form1.Designer.cs", "Program.cs" };
string[] ra = { "System.dll", "System.Windows.Forms.dll", "System.Data.dll", "System.Drawing.dll", "System.Deployment.dll", "System.Xml.dll", "System.Linq.dll" };
JTS.CSCompiler CSC = new JTS.CSCompiler();
MessageBox.Show(CSC.Compile(
textBox1.Text, @"Test Application.exe", ra, f, false));
}
}
}
So, as you can see, all the using directives are there. 所以,正如你所看到的,所有的使用指令都在那里。 I don't know what this error means.
我不知道这个错误意味着什么。 Any help at all is much appreciated.
任何帮助都非常感谢。
Thank you 谢谢
Solution: 解:
Add this: 添加这个:
PARAMS.ReferencedAssemblies.Add(typeof(System.Xml.Linq.Extensions).Assembly.Location);
So the code now looks like this: 所以代码现在看起来像这样:
namespace JTM
{
public class CSCompiler
{
protected string ot,
rt,
ss, es;
protected bool rg, cg;
public string Compile(String se, String fe, String[] rdas, String[] fs, Boolean rn)
{
System.CodeDom.Compiler.CodeDomProvider CODEPROV = System.CodeDom.Compiler.CodeDomProvider.CreateProvider("CSharp");
ot =
fe;
System.CodeDom.Compiler.CompilerParameters PARAMS = new System.CodeDom.Compiler.CompilerParameters();
// Ensure the compiler generates an EXE file, not a DLL.
PARAMS.GenerateExecutable = true;
PARAMS.OutputAssembly = ot;
PARAMS.ReferencedAssemblies.Add(typeof(System.Xml.Linq.Extensions).Assembly.Location);
foreach (String ay in rdas)
{
if (ay.Contains(".dll"))
PARAMS.ReferencedAssemblies.Add(ay);
else
{
string refd = ay;
refd = refd + ".dll";
PARAMS.ReferencedAssemblies.Add(refd);
}
}
System.CodeDom.Compiler.CompilerResults rs = CODEPROV.CompileAssemblyFromFile(PARAMS, fs);
if (rs.Errors.Count > 0)
{
foreach (System.CodeDom.Compiler.CompilerError COMERR in rs.Errors)
{
es = es +
"Line number: " + COMERR.Line +
", Error number: " + COMERR.ErrorNumber +
", '" + COMERR.ErrorText + ";" +
Environment.NewLine + Environment.NewLine;
}
}
else
{
// Compilation succeeded.
es = "Compilation Succeeded.";
if (rn) System.Diagnostics.Process.Start(ot);
}
return es;
}
}
}
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