public ErrorCounter(ErrorSink /*!*/ sink)
{
ContractUtils.RequiresNotNull(sink, "sink");
_sink = sink;
}
internal SourceStringContentProvider(string code)
{
ContractUtils.RequiresNotNull(code, nameof(code));
_code = code;
}
protected ScriptCode(SourceUnit sourceUnit)
{
ContractUtils.RequiresNotNull(sourceUnit, nameof(sourceUnit));
_sourceUnit = sourceUnit;
}
/// <summary>
/// This takes an assembly name including extension and saves the provided ScriptCode objects into the assembly.
///
/// The provided script codes can constitute code from multiple languages. The assemblyName can be either a fully qualified
/// or a relative path. The DLR will simply save the assembly to the desired location. The assembly is created by the DLR and
/// if a file already exists than an exception is raised.
///
/// The DLR determines the internal format of the ScriptCode and the DLR can feel free to rev this as appropriate.
/// </summary>
public static void SaveToAssembly(string assemblyName, params SavableScriptCode[] codes)
{
ContractUtils.RequiresNotNull(assemblyName, "assemblyName");
ContractUtils.RequiresNotNullItems(codes, "codes");
// break the assemblyName into it's dir/name/extension
string dir = Path.GetDirectoryName(assemblyName);
if (String.IsNullOrEmpty(dir))
{
dir = Environment.CurrentDirectory;
}
string name = Path.GetFileNameWithoutExtension(assemblyName);
string ext = Path.GetExtension(assemblyName);
// build the assembly & type gen that all the script codes will live in...
AssemblyGen ag = new AssemblyGen(new AssemblyName(name), dir, ext, /*emitSymbols*/ false);
TypeBuilder tb = ag.DefinePublicType("DLRCachedCode", typeof(object), true);
TypeGen tg = new TypeGen(ag, tb);
// then compile all of the code
Dictionary <Type, List <CodeInfo> > langCtxBuilders = new Dictionary <Type, List <CodeInfo> >();
foreach (SavableScriptCode sc in codes)
{
List <CodeInfo> builders;
if (!langCtxBuilders.TryGetValue(sc.LanguageContext.GetType(), out builders))
{
langCtxBuilders[sc.LanguageContext.GetType()] = builders = new List <CodeInfo>();
}
KeyValuePair <MethodBuilder, Type> compInfo = sc.CompileForSave(tg);
builders.Add(new CodeInfo(compInfo.Key, sc, compInfo.Value));
}
MethodBuilder mb = tb.DefineMethod(
"GetScriptCodeInfo",
MethodAttributes.SpecialName | MethodAttributes.Public | MethodAttributes.Static,
typeof(MutableTuple <Type[], Delegate[][], string[][], string[][]>),
ReflectionUtils.EmptyTypes);
ILGen ilgen = new ILGen(mb.GetILGenerator());
var langsWithBuilders = langCtxBuilders.ToArray();
// lang ctx array
ilgen.EmitArray(typeof(Type), langsWithBuilders.Length, (index) => {
ilgen.Emit(OpCodes.Ldtoken, langsWithBuilders[index].Key);
ilgen.EmitCall(typeof(Type).GetMethod("GetTypeFromHandle", new[] { typeof(RuntimeTypeHandle) }));
});
// builders array of array
ilgen.EmitArray(typeof(Delegate[]), langsWithBuilders.Length, (index) => {
List <CodeInfo> builders = langsWithBuilders[index].Value;
ilgen.EmitArray(typeof(Delegate), builders.Count, (innerIndex) => {
ilgen.EmitNull();
ilgen.Emit(OpCodes.Ldftn, builders[innerIndex].Builder);
ilgen.EmitNew(
builders[innerIndex].DelegateType,
new[] { typeof(object), typeof(IntPtr) }
);
});
});
// paths array of array
ilgen.EmitArray(typeof(string[]), langsWithBuilders.Length, (index) => {
List <CodeInfo> builders = langsWithBuilders[index].Value;
ilgen.EmitArray(typeof(string), builders.Count, (innerIndex) => {
ilgen.EmitString(builders[innerIndex].Code.SourceUnit.Path);
});
});
// 4th element in tuple - custom per-language data
ilgen.EmitArray(typeof(string[]), langsWithBuilders.Length, (index) => {
List <CodeInfo> builders = langsWithBuilders[index].Value;
ilgen.EmitArray(typeof(string), builders.Count, (innerIndex) => {
ICustomScriptCodeData data = builders[innerIndex].Code as ICustomScriptCodeData;
if (data != null)
{
ilgen.EmitString(data.GetCustomScriptCodeData());
}
else
{
ilgen.Emit(OpCodes.Ldnull);
}
});
});
ilgen.EmitNew(
typeof(MutableTuple <Type[], Delegate[][], string[][], string[][]>),
new[] { typeof(Type[]), typeof(Delegate[][]), typeof(string[][]), typeof(string[][]) }
);
ilgen.Emit(OpCodes.Ret);
mb.SetCustomAttribute(new CustomAttributeBuilder(
typeof(DlrCachedCodeAttribute).GetConstructor(ReflectionUtils.EmptyTypes),
ArrayUtils.EmptyObjects
));
tg.FinishType();
ag.SaveAssembly();
}