public string[] GetCompletions(string input, out string prefix)
{
prefix = "";
if (input == null || input.Length == 0)
{
return(null);
}
lock (evaluator_lock)
{
if (!inited)
{
Init();
}
bool partial_input;
CSharpParser parser = ParseString(ParseMode.GetCompletions, input, out partial_input);
if (parser == null)
{
if (CSharpParser.yacc_verbose_flag != 0)
{
Console.WriteLine("DEBUG: No completions available");
}
return(null);
}
Class parser_result = parser.InteractiveResult;
#if NET_4_0
var access = AssemblyBuilderAccess.RunAndCollect;
#else
var access = AssemblyBuilderAccess.Run;
#endif
var a = new AssemblyDefinitionDynamic(module, "completions");
a.Create(AppDomain.CurrentDomain, access);
module.SetDeclaringAssembly(a);
// Need to setup MemberCache
parser_result.CreateType();
var method = parser_result.Methods[0] as Method;
BlockContext bc = new BlockContext(method, method.Block, ctx.BuiltinTypes.Void);
try
{
method.Block.Resolve(null, bc, method);
}
catch (CompletionResult cr)
{
prefix = cr.BaseText;
return(cr.Result);
}
}
return(null);
}
static CompiledMethod CompileBlock (Class host, Undo undo, Report Report)
{
AssemblyDefinitionDynamic assembly;
AssemblyBuilderAccess access;
if (Environment.GetEnvironmentVariable ("SAVE") != null) {
access = AssemblyBuilderAccess.RunAndSave;
assembly = new AssemblyDefinitionDynamic (RootContext.ToplevelTypes, current_debug_name, current_debug_name);
assembly.Importer = loader.Importer;
} else {
#if NET_4_0
access = AssemblyBuilderAccess.RunAndCollect;
#else
access = AssemblyBuilderAccess.Run;
#endif
assembly = new AssemblyDefinitionDynamic (RootContext.ToplevelTypes, current_debug_name);
}
assembly.Create (AppDomain.CurrentDomain, access);
if (host != null) {
host.CreateType ();
host.Define ();
}
RootContext.ToplevelTypes.CreateType ();
RootContext.ToplevelTypes.Define ();
if (Report.Errors != 0){
undo.ExecuteUndo ();
return null;
}
TypeBuilder tb = null;
MethodBuilder mb = null;
if (host != null){
tb = host.TypeBuilder;
mb = null;
foreach (MemberCore member in host.Methods){
if (member.Name != "Host")
continue;
MethodOrOperator method = (MethodOrOperator) member;
mb = method.MethodBuilder;
break;
}
if (mb == null)
throw new Exception ("Internal error: did not find the method builder for the generated method");
host.EmitType ();
}
RootContext.ToplevelTypes.Emit ();
if (Report.Errors != 0){
undo.ExecuteUndo ();
return null;
}
RootContext.ToplevelTypes.CloseType ();
if (host != null)
host.CloseType ();
if (access == AssemblyBuilderAccess.RunAndSave)
assembly.Save ();
if (host == null)
return null;
//
// Unlike Mono, .NET requires that the MethodInfo is fetched, it cant
// work from MethodBuilders. Retarded, I know.
//
var tt = assembly.Builder.GetType (tb.Name);
MethodInfo mi = tt.GetMethod (mb.Name);
// Pull the FieldInfos from the type, and keep track of them
foreach (Field field in queued_fields){
FieldInfo fi = tt.GetField (field.Name);
Tuple<FieldSpec, FieldInfo> old;
// If a previous value was set, nullify it, so that we do
// not leak memory
if (fields.TryGetValue (field.Name, out old)) {
if (old.Item1.MemberType.IsStruct) {
//
// TODO: Clear fields for structs
//
} else {
try {
old.Item2.SetValue (null, null);
} catch {
}
}
fields [field.Name] = Tuple.Create (field.Spec, fi);
} else {
fields.Add (field.Name, Tuple.Create (field.Spec, fi));
}
}
queued_fields.Clear ();
return (CompiledMethod) System.Delegate.CreateDelegate (typeof (CompiledMethod), mi);
}
CompiledMethod CompileBlock(Class host, Undo undo, Report Report)
{
string current_debug_name = "eval-" + count + ".dll";
++count;
#if STATIC
throw new NotSupportedException();
#else
AssemblyDefinitionDynamic assembly;
AssemblyBuilderAccess access;
if (Environment.GetEnvironmentVariable("SAVE") != null)
{
access = AssemblyBuilderAccess.RunAndSave;
assembly = new AssemblyDefinitionDynamic(module, current_debug_name, current_debug_name);
assembly.Importer = importer;
}
else
{
#if NET_4_0
access = AssemblyBuilderAccess.RunAndCollect;
#else
access = AssemblyBuilderAccess.Run;
#endif
assembly = new AssemblyDefinitionDynamic(module, current_debug_name);
}
assembly.Create(AppDomain.CurrentDomain, access);
Method expression_method;
if (host != null)
{
var base_class_imported = importer.ImportType(base_class);
var baseclass_list = new List <FullNamedExpression> (1)
{
new TypeExpression(base_class_imported, host.Location)
};
host.AddBasesForPart(host, baseclass_list);
host.CreateType();
host.DefineType();
host.Define();
expression_method = (Method)host.Methods[0];
}
else
{
expression_method = null;
}
module.CreateType();
module.Define();
if (Report.Errors != 0)
{
if (undo != null)
{
undo.ExecuteUndo();
}
return(null);
}
if (host != null)
{
host.EmitType();
}
module.Emit();
if (Report.Errors != 0)
{
if (undo != null)
{
undo.ExecuteUndo();
}
return(null);
}
module.CloseType();
if (host != null)
{
host.CloseType();
}
if (access == AssemblyBuilderAccess.RunAndSave)
{
assembly.Save();
}
if (host == null)
{
return(null);
}
//
// Unlike Mono, .NET requires that the MethodInfo is fetched, it cant
// work from MethodBuilders. Retarded, I know.
//
var tt = assembly.Builder.GetType(host.TypeBuilder.Name);
var mi = tt.GetMethod(expression_method.Name);
if (host.Fields != null)
{
//
// We need to then go from FieldBuilder to FieldInfo
// or reflection gets confused (it basically gets confused, and variables override each
// other).
//
foreach (Field field in host.Fields)
{
var fi = tt.GetField(field.Name);
Tuple <FieldSpec, FieldInfo> old;
// If a previous value was set, nullify it, so that we do
// not leak memory
if (fields.TryGetValue(field.Name, out old))
{
if (old.Item1.MemberType.IsStruct)
{
//
// TODO: Clear fields for structs
//
}
else
{
try {
old.Item2.SetValue(null, null);
} catch {
}
}
}
fields[field.Name] = Tuple.Create(field.Spec, fi);
}
}
return((CompiledMethod)System.Delegate.CreateDelegate(typeof(CompiledMethod), mi));
#endif
}
CompiledMethod CompileBlock (Class host, Undo undo, Report Report)
{
#if STATIC
throw new NotSupportedException ();
#else
string current_debug_name = "eval-" + count + ".dll";
++count;
AssemblyDefinitionDynamic assembly;
AssemblyBuilderAccess access;
if (Environment.GetEnvironmentVariable ("SAVE") != null) {
access = AssemblyBuilderAccess.RunAndSave;
assembly = new AssemblyDefinitionDynamic (module, current_debug_name, current_debug_name);
assembly.Importer = importer;
} else {
#if NET_4_0
access = AssemblyBuilderAccess.RunAndCollect;
#else
access = AssemblyBuilderAccess.Run;
#endif
assembly = new AssemblyDefinitionDynamic (module, current_debug_name);
}
assembly.Create (AppDomain.CurrentDomain, access);
Method expression_method;
if (host != null) {
var base_class_imported = importer.ImportType (base_class);
var baseclass_list = new List<FullNamedExpression> (1) {
new TypeExpression (base_class_imported, host.Location)
};
host.AddBasesForPart (host, baseclass_list);
host.CreateType ();
host.DefineType ();
host.Define ();
expression_method = (Method) host.Methods[0];
} else {
expression_method = null;
}
module.CreateType ();
module.Define ();
if (Report.Errors != 0){
if (undo != null)
undo.ExecuteUndo ();
return null;
}
if (host != null){
host.EmitType ();
}
module.Emit ();
if (Report.Errors != 0){
if (undo != null)
undo.ExecuteUndo ();
return null;
}
module.CloseType ();
if (host != null)
host.CloseType ();
if (access == AssemblyBuilderAccess.RunAndSave)
assembly.Save ();
if (host == null)
return null;
//
// Unlike Mono, .NET requires that the MethodInfo is fetched, it cant
// work from MethodBuilders. Retarded, I know.
//
var tt = assembly.Builder.GetType (host.TypeBuilder.Name);
var mi = tt.GetMethod (expression_method.Name);
if (host.Fields != null) {
//
// We need to then go from FieldBuilder to FieldInfo
// or reflection gets confused (it basically gets confused, and variables override each
// other).
//
foreach (Field field in host.Fields) {
var fi = tt.GetField (field.Name);
Tuple<FieldSpec, FieldInfo> old;
// If a previous value was set, nullify it, so that we do
// not leak memory
if (fields.TryGetValue (field.Name, out old)) {
if (old.Item1.MemberType.IsStruct) {
//
// TODO: Clear fields for structs
//
} else {
try {
old.Item2.SetValue (null, null);
} catch {
}
}
}
fields[field.Name] = Tuple.Create (field.Spec, fi);
}
}
return (CompiledMethod) System.Delegate.CreateDelegate (typeof (CompiledMethod), mi);
#endif
}
public string [] GetCompletions(string input, out string prefix)
{
prefix = "";
if (input == null || input.Length == 0)
{
return(null);
}
try
{
invoke_thread = System.Threading.Thread.CurrentThread;
invoking = true;
lock (evaluator_lock)
{
if (!inited)
{
Init();
}
bool partial_input;
CSharpParser parser = ParseString(ParseMode.GetCompletions, input, out partial_input);
if (parser == null)
{
if (CSharpParser.yacc_verbose_flag != 0)
{
Console.WriteLine("DEBUG: No completions available");
}
return(null);
}
Class parser_result = parser.InteractiveResult;
#if NET_4_0
var access = AssemblyBuilderAccess.Run;
#else
var access = AssemblyBuilderAccess.Run;
#endif
var a = new AssemblyDefinitionDynamic(module, "completions");
a.Create(AppDomain.CurrentDomain, access);
module.SetDeclaringAssembly(a);
// Need to setup MemberCache
parser_result.CreateType();
var method = parser_result.Methods[0] as Method;
BlockContext bc = new BlockContext(method, method.Block, TypeManager.void_type);
try
{
method.Block.Resolve(null, bc, method);
}
catch (CompletionResult cr)
{
prefix = cr.BaseText;
return(cr.Result);
}
}
}
catch (ThreadAbortException e)
{
Console.WriteLine("Interrupted!\n{0}", e);
}
finally
{
invoking = false;
}
return(null);
}
