protected void FormatProperties(TargetClassType type,
TargetMemberAccessibility accessibility,
List<string> members, string prefix, Hashtable hash)
{
FormatProperties (type, false, accessibility, members, prefix, hash);
FormatProperties (type, true, accessibility, members, prefix, hash);
}
protected void FormatMethods(TargetClassType type, bool is_ctor, bool is_static,
TargetMemberAccessibility accessibility,
List<string> members, string prefix, Hashtable hash)
{
List<TargetMethodInfo> list = new List<TargetMethodInfo> ();
TargetMethodInfo[] methods = is_ctor ? type.Constructors : type.Methods;
foreach (TargetMethodInfo method in methods) {
if (method.IsStatic != is_static)
continue;
if (method.Accessibility != accessibility)
continue;
list.Add (method);
}
if (list.Count == 0)
return;
foreach (TargetMethodInfo method in list)
members.Add (FormatMethod (prefix, method, is_static, is_ctor, hash));
}
protected void FormatProperties(TargetClassType type, bool is_static,
TargetMemberAccessibility accessibility,
List<string> members, string prefix, Hashtable hash)
{
List<TargetPropertyInfo> list = new List<TargetPropertyInfo> ();
foreach (TargetPropertyInfo property in type.Properties) {
if (property.IsStatic != is_static)
continue;
if (property.Accessibility != accessibility)
continue;
list.Add (property);
}
if (list.Count == 0)
return;
foreach (TargetPropertyInfo property in list)
members.Add (FormatProperty (prefix, property, is_static, hash));
}
static TargetClassObject TryParentCast(ScriptingContext context,
TargetClassObject source,
TargetClassType source_type,
TargetClassType target_type)
{
if (source_type == target_type)
return source;
if (!source_type.HasParent)
return null;
TargetClassType parent_type = source_type.GetParentType (context.CurrentThread);
source = TryParentCast (context, source, parent_type, target_type);
if (source == null)
return null;
return source.GetParentObject (context.CurrentThread) as TargetClassObject;
}
static TargetStructObject TryCurrentCast (MdbEvaluationContext ctx, TargetClassObject source, TargetClassType target_type)
{
TargetStructObject current = source.GetCurrentObject (ctx.Thread);
if (current == null)
return null;
return TryParentCast (ctx, current, current.Type, target_type);
}
static bool ImplicitReferenceConversionExists(ScriptingContext context,
TargetClassType source,
TargetClassType target)
{
if (source == target)
return true;
if (!source.HasParent)
return false;
TargetClassType parent_type = source.GetParentType (context.CurrentThread);
return ImplicitReferenceConversionExists (context, parent_type, target);
}
public static bool TryCast(ScriptingContext context, TargetType source,
TargetClassType target_type)
{
if (source == target_type)
return true;
TargetClassType stype = Convert.ToClassType (source);
if (stype == null)
return false;
return TryParentCast (context, stype, target_type);
}
public override bool IsExceptionType(TargetClassType ctype)
{
MonoClassType mono_type = ctype as MonoClassType;
if (mono_type == null)
return false;
Cecil.TypeDefinition exc_type = builtin_types.ExceptionType.Type;
Cecil.TypeDefinition type = mono_type.Type;
while (type != null) {
if (exc_type == type)
return true;
type = resolve_cecil_type_ref (type.BaseType);
}
return false;
}
internal void AddCoreType(Cecil.TypeDefinition typedef, TargetType type,
TargetClassType klass, TargetAddress klass_address)
{
corlib.AddType (typedef, type);
if (!class_hash.Contains (klass_address))
class_hash.Add (klass_address, type);
}
public abstract bool IsExceptionType(TargetClassType type);
public abstract bool IsExceptionType(TargetClassType type);
void do_read_variables(TargetMemoryAccess memory)
{
if (!is_loaded)
throw new TargetException (TargetError.MethodNotLoaded);
if (has_variables)
return;
MonoLanguageBackend mono = file.MonoLanguage;
TargetAddress decl_klass = mono.MetadataHelper.MonoMethodGetClass (
memory, address.MonoMethod);
TargetType decl = mono.ReadMonoClass (memory, decl_klass);
if (decl.HasClassType)
decl_type = decl.ClassType;
else
decl_type = (TargetClassType) decl;
do_read_blocks ();
locals = new List<TargetVariable> ();
parameters = new List<TargetVariable> ();
scopes = new Dictionary<int,ScopeInfo> ();
var captured_vars = new Dictionary<string,CapturedVariable> ();
if (address.HasThis)
this_var = new MonoVariable (
"this", decl_type, true, true, this,
address.ThisVariableInfo);
var scope_list = new List<ScopeInfo> ();
C.ScopeVariable[] scope_vars = method.GetScopeVariables ();
int num_scope_vars = scope_vars != null ? scope_vars.Length : 0;
for (int i = 0; i < num_scope_vars; i++) {
C.ScopeVariable sv = scope_vars [i];
VariableInfo var;
if (sv.Index < 0) {
var = address.ThisVariableInfo;
this_is_captured = true;
this_var = null;
} else
var = address.LocalVariableInfo [sv.Index];
try {
TargetClassType type = mono.ReadStructType (memory, var.MonoType);
MonoVariable scope_var = new MonoVariable (
"$__" + sv.Scope, type, true, type.IsByRef, this, var);
ScopeInfo info = new ScopeInfo (sv.Scope, scope_var, type);
scopes.Add (sv.Scope, info);
scope_list.Add (info);
} catch (Exception ex) {
Report.Error ("Cannot read scope variable: {0}\n{1}", var, ex);
}
}
foreach (ScopeInfo scope in scope_list) {
read_scope (scope);
}
foreach (ScopeInfo scope in scopes.Values) {
C.AnonymousScopeEntry entry = file.File.GetAnonymousScope (scope.ID);
foreach (C.CapturedVariable captured in entry.CapturedVariables) {
CapturedVariable cv = new CapturedVariable (
scope, this, captured.Name, captured.CapturedName);
switch (captured.Kind) {
case C.CapturedVariable.CapturedKind.Local:
locals.Add (cv);
break;
case C.CapturedVariable.CapturedKind.Parameter:
parameters.Add (cv);
break;
case C.CapturedVariable.CapturedKind.This:
if (!cv.Resolve (memory))
throw new InternalError ();
if (cv.Type.HasClassType)
decl_type = cv.Type.ClassType;
else
decl_type = (TargetClassType) cv.Type;
this_var = cv;
continue;
default:
throw new InternalError ();
}
captured_vars.Add (captured.Name, cv);
}
}
var param_info = mdef.Parameters;
for (int i = 0; i < param_info.Count; i++) {
if (captured_vars.ContainsKey (param_info [i].Name))
continue;
VariableInfo var = address.ParamVariableInfo [i];
TargetType type = mono.ReadType (memory, var.MonoType);
if (type == null)
type = mono.VoidType;
parameters.Add (new MonoVariable (
param_info [i].Name, type, false, type.IsByRef,
this, var, 0, 0));
}
C.LocalVariableEntry[] symfile_locals = method.GetLocals ();
for (int i = 0; i < symfile_locals.Length; i++) {
C.LocalVariableEntry local = symfile_locals [i];
if (captured_vars.ContainsKey (local.Name))
continue;
VariableInfo var = address.LocalVariableInfo [local.Index];
TargetType type = mono.ReadType (memory, var.MonoType);
if (type == null)
type = mono.VoidType;
if (local.BlockIndex > 0) {
int index = local.BlockIndex - 1;
MonoCodeBlock block = code_blocks [index];
locals.Add (new MonoVariable (
local.Name, type, true, type.IsByRef, this, var,
block.StartAddress, block.EndAddress));
} else {
locals.Add (new MonoVariable (
local.Name, type, true, type.IsByRef, this, var));
}
}
has_variables = true;
}
public static bool TryCast (MdbEvaluationContext ctx, TargetType source, TargetClassType target_type)
{
if (source == target_type)
return true;
TargetClassType stype = ToClassType (source);
if (stype == null)
return false;
return TryParentCast (ctx, stype, target_type);
}
public static TargetObject TryCast (MdbEvaluationContext ctx, TargetObject source, TargetClassType target_type)
{
if (source.Type == target_type)
return source;
TargetClassObject sobj = ToClassObject (ctx, source);
if (sobj == null)
return null;
TargetStructObject result = TryParentCast (ctx, sobj, sobj.Type, target_type);
if (result != null)
return result;
return TryCurrentCast (ctx, sobj, target_type);
}
protected string FormatStruct(string prefix, TargetClassType type, Hashtable hash)
{
StringBuilder sb = new StringBuilder ();
List<string> public_members = new List<string> ();
List<string> protected_members = new List<string> ();
List<string> internal_members = new List<string> ();
List<string> private_members = new List<string> ();
FormatFields (type, TargetMemberAccessibility.Public,
public_members, prefix, hash);
FormatFields (type, TargetMemberAccessibility.Protected,
protected_members, prefix, hash);
FormatFields (type, TargetMemberAccessibility.Internal,
internal_members, prefix, hash);
FormatFields (type, TargetMemberAccessibility.Private,
private_members, prefix, hash);
FormatProperties (type, TargetMemberAccessibility.Public,
public_members, prefix, hash);
FormatProperties (type, TargetMemberAccessibility.Protected,
protected_members, prefix, hash);
FormatProperties (type, TargetMemberAccessibility.Internal,
internal_members, prefix, hash);
FormatProperties (type, TargetMemberAccessibility.Private,
private_members, prefix, hash);
FormatEvents (type, TargetMemberAccessibility.Public,
public_members, prefix, hash);
FormatEvents (type, TargetMemberAccessibility.Protected,
protected_members, prefix, hash);
FormatEvents (type, TargetMemberAccessibility.Internal,
internal_members, prefix, hash);
FormatEvents (type, TargetMemberAccessibility.Private,
private_members, prefix, hash);
FormatMethods (type, TargetMemberAccessibility.Public,
public_members, prefix, hash);
FormatMethods (type, TargetMemberAccessibility.Protected,
protected_members, prefix, hash);
FormatMethods (type, TargetMemberAccessibility.Internal,
internal_members, prefix, hash);
FormatMethods (type, TargetMemberAccessibility.Private,
private_members, prefix, hash);
if (public_members.Count > 0) {
sb.Append (prefix + "public:\n");
foreach (string text in public_members)
sb.Append (text);
}
if (protected_members.Count > 0) {
sb.Append (prefix + "protected:\n");
foreach (string text in protected_members)
sb.Append (text);
}
if (internal_members.Count > 0) {
sb.Append (prefix + "internal:\n");
foreach (string text in internal_members)
sb.Append (text);
}
if (private_members.Count > 0) {
sb.Append (prefix + "private:\n");
foreach (string text in private_members)
sb.Append (text);
}
return sb.ToString ();
}
bool IsSubclassOf(TargetMemoryAccess target, TargetClassType type,
TargetType parent)
{
while (type != null) {
if (type == parent)
return true;
if (!type.HasParent)
return false;
type = type.GetParentType (target);
}
return false;
}
static TargetObject ImplicitReferenceConversion(ScriptingContext context,
TargetClassObject obj,
TargetClassType type)
{
if (obj.Type == type)
return obj;
if (!obj.Type.HasParent)
return null;
return obj.GetParentObject (context.CurrentThread);
}
protected override bool DoResolve(ScriptingContext context)
{
Language language = CurrentFrame.Language;
if (CurrentFrame.Language == null)
throw new ScriptingException ("Current frame doesn't have a language.");
TargetType exception_type = language.ExceptionType;
if (exception_type == null)
throw new ScriptingException ("Current language doesn't have any exceptions.");
Expression expr = ParseExpression (context);
if (expr == null)
return false;
expr = expr.ResolveType (context);
if (expr == null)
return false;
type = expr.EvaluateType (context) as TargetClassType;
if (!language.IsExceptionType (type))
throw new ScriptingException ("Type `{0}' is not an exception type.", expr.Name);
if (tgroup == null)
tgroup = context.Interpreter.GetThreadGroup (Group, false);
return true;
}
public static TargetObject TryCast(ScriptingContext context, TargetObject source,
TargetClassType target_type)
{
if (source.Type == target_type)
return source;
TargetClassObject sobj = Convert.ToClassObject (context.CurrentThread, source);
if (sobj == null)
return null;
TargetClassObject result = TryParentCast (context, sobj, sobj.Type, target_type);
if (result != null)
return result;
return TryCurrentCast (context, sobj, target_type);
}
protected void FormatEvents(TargetClassType type, bool is_static,
TargetMemberAccessibility accessibility,
List<string> members, string prefix, Hashtable hash)
{
List<TargetEventInfo> list = new List<TargetEventInfo> ();
foreach (TargetEventInfo einfo in type.Events) {
if (einfo.IsStatic != is_static)
continue;
if (einfo.Accessibility != accessibility)
continue;
list.Add (einfo);
}
if (list.Count == 0)
return;
foreach (TargetEventInfo einfo in list)
members.Add (FormatEvent (prefix, einfo, is_static, hash));
}
static TargetClassObject TryCurrentCast(ScriptingContext context,
TargetClassObject source,
TargetClassType target_type)
{
TargetClassObject current = source.GetCurrentObject (context.CurrentThread);
if (current == null)
return null;
return TryParentCast (context, current, current.Type, target_type);
}
protected void FormatFields(TargetClassType type, bool is_static,
TargetMemberAccessibility accessibility,
List<string> members, string prefix, Hashtable hash)
{
List<TargetFieldInfo> list = new List<TargetFieldInfo> ();
foreach (TargetFieldInfo field in type.Fields) {
if (field.IsStatic != is_static)
continue;
if (field.Accessibility != accessibility)
continue;
list.Add (field);
}
if (list.Count == 0)
return;
foreach (TargetFieldInfo field in list)
members.Add (FormatMember (prefix, field, is_static, hash) + ";\n");
}
static bool TryParentCast(ScriptingContext context,
TargetClassType source_type,
TargetClassType target_type)
{
if (source_type == target_type)
return true;
if (!source_type.HasParent)
return false;
TargetClassType parent_type = source_type.GetParentType (context.CurrentThread);
return TryParentCast (context, parent_type, target_type);
}
static TargetObject ImplicitReferenceConversion (MdbEvaluationContext ctx,
TargetClassObject obj,
TargetClassType type)
{
if (obj.Type == type)
return obj;
if (obj.Type.HasParent) {
TargetObject pobj = obj.GetParentObject (ctx.Thread);
if (pobj != null) {
pobj = ImplicitConversion (ctx, pobj, type);
if (pobj != null)
return pobj;
}
}
if (ImplicitReferenceConversionExists (ctx, obj.Type, type))
return obj;
return null;
}