2 // System.Web.Compilation.CachingCompiler
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 // (C) 2002 Ximian, Inc (http://www.ximian.com)
8 // (c) Copyright Novell, Inc. (http://www.novell.com)
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.CodeDom.Compiler;
33 using System.Collections;
34 using System.Collections.Specialized;
36 using System.Reflection;
38 using System.Web.Caching;
39 using System.Web.Configuration;
41 namespace System.Web.Compilation
45 static string dynamicBase = AppDomain.CurrentDomain.SetupInformation.DynamicBase;
46 static object compilationLock = new object ();
47 const string cachePrefix = "@@Assembly";
48 const string cacheTypePrefix = "@@@Type";
50 public static void InsertType (Type type, string filename)
52 string [] cacheKeys = new string [] { cachePrefix + filename };
53 CacheDependency dep = new CacheDependency (null, cacheKeys);
54 HttpRuntime.Cache.InsertPrivate (cacheTypePrefix + filename, type, dep);
57 public static Type GetTypeFromCache (string filename)
59 return (Type) HttpRuntime.Cache [cacheTypePrefix + filename];
62 public static CompilerResults Compile (BaseCompiler compiler)
64 Cache cache = HttpRuntime.Cache;
65 string key = cachePrefix + compiler.Parser.InputFile;
66 CompilerResults results = (CompilerResults) cache [key];
70 lock (compilationLock) {
71 results = (CompilerResults) cache [key];
75 ICodeCompiler comp = compiler.Compiler;
76 results = comp.CompileAssemblyFromDom (compiler.CompilerParameters, compiler.Unit);
77 string [] deps = (string []) compiler.Parser.Dependencies.ToArray (typeof (string));
78 cache.InsertPrivate (key, results, new CacheDependency (deps));
84 public static CompilerResults Compile (WebServiceCompiler compiler)
86 string key = cachePrefix + compiler.Parser.PhysicalPath;
87 Cache cache = HttpRuntime.Cache;
88 CompilerResults results = (CompilerResults) cache [key];
92 lock (compilationLock) {
93 results = (CompilerResults) cache [key];
97 SimpleWebHandlerParser parser = compiler.Parser;
98 CompilerParameters options = compiler.CompilerOptions;
99 options.IncludeDebugInformation = parser.Debug;
100 results = compiler.Compiler.CompileAssemblyFromFile (options, compiler.InputFile);
101 string [] deps = (string []) parser.Dependencies.ToArray (typeof (string));
102 cache.InsertPrivate (key, results, new CacheDependency (deps));
108 internal static CompilerParameters GetOptions (ICollection assemblies)
110 CompilerParameters options = new CompilerParameters ();
111 if (assemblies != null) {
112 StringCollection coll = options.ReferencedAssemblies;
113 foreach (string str in assemblies)
120 public static CompilerResults Compile (string language, string key, string file,
121 ArrayList assemblies)
123 Cache cache = HttpRuntime.Cache;
124 CompilerResults results = (CompilerResults) cache [cachePrefix + key];
128 if (!Directory.Exists (dynamicBase))
129 Directory.CreateDirectory (dynamicBase);
131 lock (compilationLock) {
132 results = (CompilerResults) cache [cachePrefix + key];
136 CompilationConfiguration config;
137 config = CompilationConfiguration.GetInstance (HttpContext.Current);
138 CodeDomProvider provider = config.GetProvider (language);
139 if (provider == null)
140 throw new HttpException ("Configuration error. Language not supported: " +
143 ICodeCompiler compiler = provider.CreateCompiler ();
144 CompilerParameters options = GetOptions (assemblies);
145 TempFileCollection tempcoll = new TempFileCollection (config.TempDirectory, true);
146 string dllfilename = Path.GetFileName (tempcoll.AddExtension ("dll", true));
147 options.OutputAssembly = Path.Combine (dynamicBase, dllfilename);
148 results = compiler.CompileAssemblyFromFile (options, file);
149 ArrayList realdeps = new ArrayList (assemblies.Count + 1);
151 for (int i = assemblies.Count - 1; i >= 0; i--) {
152 string current = (string) assemblies [i];
153 if (Path.IsPathRooted (current))
154 realdeps.Add (current);
157 string [] deps = (string []) realdeps.ToArray (typeof (string));
158 cache.InsertPrivate (cachePrefix + key, results, new CacheDependency (deps));
164 public static Type CompileAndGetType (string typename, string language, string key,
165 string file, ArrayList assemblies)
167 CompilerResults result = CachingCompiler.Compile (language, key, file, assemblies);
168 if (result.NativeCompilerReturnValue != 0) {
169 StreamReader reader = new StreamReader (file);
170 throw new CompilationException (file, result.Errors, reader.ReadToEnd ());
173 Assembly assembly = result.CompiledAssembly;
174 if (assembly == null) {
175 StreamReader reader = new StreamReader (file);
176 throw new CompilationException (file, result.Errors, reader.ReadToEnd ());
179 Type type = assembly.GetType (typename, true);
180 InsertType (type, file);