internal EnumDeclaration(Context context, IdentifierLiteral id, TypeExpression baseType, Block body, FieldAttributes attributes, CustomAttributeList customAttributes) : base(context, id, new TypeExpression(new ConstantWrapper(Typeob.Enum, null)), new TypeExpression[0], body, attributes, false, false, true, false, customAttributes)
{
this.baseType = (baseType != null) ? baseType : new TypeExpression(new ConstantWrapper(Typeob.Int32, null));
base.needsEngine = false;
base.attributes &= TypeAttributes.NestedFamORAssem;
TypeExpression expression = new TypeExpression(new ConstantWrapper(base.classob, base.context));
AST ast = new ConstantWrapper(-1, null);
AST ast2 = new ConstantWrapper(1, null);
JSMemberField[] fields = base.fields;
for (int i = 0; i < fields.Length; i++)
{
FieldInfo info = fields[i];
JSVariableField field = (JSVariableField) info;
field.attributeFlags = FieldAttributes.Literal | FieldAttributes.Static | FieldAttributes.Public;
field.type = expression;
if (field.value == null)
{
field.value = ast = new Plus(ast.context, ast, ast2);
}
else
{
ast = (AST) field.value;
}
field.value = new DeclaredEnumValue(field.value, field.Name, base.classob);
}
}
internal override AST PartiallyEvaluate(){
this.operand1 = this.operand1.PartiallyEvaluateAsReference();
this.operand2 = this.operand2.PartiallyEvaluate();
this.binOp = new Plus(this.context, this.operand1, this.operand2);
this.operand1.SetPartialValue(this.binOp);
if (this.Engine.doFast){
Binding b = this.operand1 as Binding;
if (b != null && b.member is JSVariableField){
TypeExpression te = ((JSVariableField)b.member).type;
if (te != null && te.InferType(null) == Typeob.String)
this.operand1.context.HandleError(JSError.StringConcatIsSlow);
}
}
return this;
}
internal EnumDeclaration(Context context, IdentifierLiteral id, TypeExpression baseType, Block body, FieldAttributes attributes, CustomAttributeList customAttributes)
: base(context, id, new TypeExpression(new ConstantWrapper(typeof(Enum), null)), new TypeExpression[0], body, attributes, false, false, true, false, customAttributes){
this.baseType = baseType != null ? baseType : new TypeExpression(new ConstantWrapper(Typeob.Int32, null));
this.needsEngine = false;
this.attributes &= TypeAttributes.VisibilityMask;
TypeExpression thisType = new TypeExpression(new ConstantWrapper(this.classob, this.context));
AST currentValue = new ConstantWrapper(-1, null);
AST one = new ConstantWrapper(1, null);
foreach (FieldInfo f in this.fields){
JSVariableField field = (JSVariableField)f;
field.attributeFlags = FieldAttributes.Public|FieldAttributes.Static|FieldAttributes.Literal;
field.type = thisType;
if (field.value == null)
field.value = currentValue = new Plus(currentValue.context, currentValue, one);
else
currentValue = (AST)field.value;
field.value = new EnumWrapper(field.value, field.Name, this.classob);
}
}
internal override AST PartiallyEvaluate()
{
base.operand1 = base.operand1.PartiallyEvaluateAsReference();
base.operand2 = base.operand2.PartiallyEvaluate();
this.binOp = new Plus(base.context, base.operand1, base.operand2);
base.operand1.SetPartialValue(this.binOp);
if (base.Engine.doFast)
{
Binding binding = base.operand1 as Binding;
if ((binding != null) && (binding.member is JSVariableField))
{
TypeExpression type = ((JSVariableField) binding.member).type;
if ((type != null) && (type.InferType(null) == Typeob.String))
{
base.operand1.context.HandleError(JSError.StringConcatIsSlow);
}
}
}
return this;
}
internal PlusAssign(Context context, AST operand1, AST operand2) : base(context, operand1, operand2, JSToken.FirstBinaryOp)
{
this.binOp = new Plus(context, operand1, operand2);
this.metaData = null;
}
internal PlusAssign(Context context, AST operand1, AST operand2) : base(context, operand1, operand2, JSToken.FirstBinaryOp)
{
this.binOp = new Plus(context, operand1, operand2);
this.metaData = null;
}
internal override void TranslateToIL(ILGenerator il, Type rtype)
{
Type type = Microsoft.JScript.Convert.ToType(this.InferType(null));
if (this.metaData == null)
{
Type type2 = Typeob.Object;
if (rtype == Typeob.Double)
{
type2 = rtype;
}
else if ((base.type1 == Typeob.Char) && (base.type2 == Typeob.Char))
{
type2 = Typeob.String;
}
else if ((Microsoft.JScript.Convert.IsPrimitiveNumericType(rtype) && Microsoft.JScript.Convert.IsPromotableTo((IReflect)base.type1, (IReflect)rtype)) && Microsoft.JScript.Convert.IsPromotableTo((IReflect)base.type2, (IReflect)rtype))
{
type2 = rtype;
}
else if ((base.type1 != Typeob.String) && (base.type2 != Typeob.String))
{
type2 = Typeob.Double;
}
else
{
type2 = Typeob.String;
}
if ((type2 == Typeob.SByte) || (type2 == Typeob.Int16))
{
type2 = Typeob.Int32;
}
else if (((type2 == Typeob.Byte) || (type2 == Typeob.UInt16)) || (type2 == Typeob.Char))
{
type2 = Typeob.UInt32;
}
if (type2 == Typeob.String)
{
if ((base.operand1 is Plus) && (base.type1 == type2))
{
Plus plus = (Plus)base.operand1;
if ((plus.operand1 is Plus) && (plus.type1 == type2))
{
Plus plus2 = (Plus)plus.operand1;
if ((plus2.operand1 is Plus) && (plus2.type1 == type2))
{
int num = plus.TranslateToILArrayOfStrings(il, 1);
il.Emit(OpCodes.Dup);
ConstantWrapper.TranslateToILInt(il, num - 1);
base.operand2.TranslateToIL(il, type2);
il.Emit(OpCodes.Stelem_Ref);
il.Emit(OpCodes.Call, CompilerGlobals.stringConcatArrMethod);
Microsoft.JScript.Convert.Emit(this, il, type2, rtype);
}
else
{
TranslateToStringWithSpecialCaseForNull(il, plus2.operand1);
TranslateToStringWithSpecialCaseForNull(il, plus2.operand2);
TranslateToStringWithSpecialCaseForNull(il, plus.operand2);
TranslateToStringWithSpecialCaseForNull(il, base.operand2);
il.Emit(OpCodes.Call, CompilerGlobals.stringConcat4Method);
Microsoft.JScript.Convert.Emit(this, il, type2, rtype);
}
}
else
{
TranslateToStringWithSpecialCaseForNull(il, plus.operand1);
TranslateToStringWithSpecialCaseForNull(il, plus.operand2);
TranslateToStringWithSpecialCaseForNull(il, base.operand2);
il.Emit(OpCodes.Call, CompilerGlobals.stringConcat3Method);
Microsoft.JScript.Convert.Emit(this, il, type2, rtype);
}
}
else
{
TranslateToStringWithSpecialCaseForNull(il, base.operand1);
TranslateToStringWithSpecialCaseForNull(il, base.operand2);
il.Emit(OpCodes.Call, CompilerGlobals.stringConcat2Method);
Microsoft.JScript.Convert.Emit(this, il, type2, rtype);
}
}
else
{
base.operand1.TranslateToIL(il, type2);
base.operand2.TranslateToIL(il, type2);
if (type2 == Typeob.Object)
{
il.Emit(OpCodes.Call, CompilerGlobals.plusDoOpMethod);
}
else if ((type2 == Typeob.Double) || (type2 == Typeob.Single))
{
il.Emit(OpCodes.Add);
}
else if ((type2 == Typeob.Int32) || (type2 == Typeob.Int64))
{
il.Emit(OpCodes.Add_Ovf);
}
else
{
il.Emit(OpCodes.Add_Ovf_Un);
}
if (type == Typeob.Char)
{
Microsoft.JScript.Convert.Emit(this, il, type2, Typeob.Char);
Microsoft.JScript.Convert.Emit(this, il, Typeob.Char, rtype);
}
else
{
Microsoft.JScript.Convert.Emit(this, il, type2, rtype);
}
}
}
else if (this.metaData is MethodInfo)
{
MethodInfo metaData = (MethodInfo)this.metaData;
ParameterInfo[] parameters = metaData.GetParameters();
base.operand1.TranslateToIL(il, parameters[0].ParameterType);
base.operand2.TranslateToIL(il, parameters[1].ParameterType);
il.Emit(OpCodes.Call, metaData);
Microsoft.JScript.Convert.Emit(this, il, metaData.ReturnType, rtype);
}
else
{
il.Emit(OpCodes.Ldloc, (LocalBuilder)this.metaData);
base.operand1.TranslateToIL(il, Typeob.Object);
base.operand2.TranslateToIL(il, Typeob.Object);
il.Emit(OpCodes.Callvirt, CompilerGlobals.evaluatePlusMethod);
Microsoft.JScript.Convert.Emit(this, il, Typeob.Object, rtype);
}
}
private Object EvaluatePlus2(Object v1, Object v2)
{
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
switch (t1)
{
case TypeCode.Empty:
return(Plus.DoOp(v1, v2));
case TypeCode.DBNull:
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(0);
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(ic2.ToInt32(null));
case TypeCode.UInt32:
return(ic2.ToUInt32(null));
case TypeCode.Int64:
return(ic2.ToInt64(null));
case TypeCode.UInt64:
return(ic2.ToUInt64(null));
case TypeCode.Single:
case TypeCode.Double:
return(ic2.ToDouble(null));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return("null" + ic2.ToString(null));
}
break;
case TypeCode.Char:
{ int val = ic1.ToInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(((IConvertible)Plus.DoOp(val, ic2.ToInt32(null))).ToChar(null));
case TypeCode.UInt32:
case TypeCode.Int64:
return(((IConvertible)Plus.DoOp((long)val, ic2.ToInt64(null))).ToChar(null));
case TypeCode.UInt64:
return(((IConvertible)Plus.DoOp((ulong)val, ic2.ToUInt64(null))).ToChar(null));
case TypeCode.Single:
case TypeCode.Double:
checked { return((char)(int)(Convert.CheckIfDoubleIsInteger((double)Plus.DoOp((double)val, ic2.ToDouble(null))))); }
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
return(Plus.DoOp(v1, v2));
case TypeCode.Char:
case TypeCode.String:
return(ic1.ToString(null) + ic2.ToString(null));
}
break; }
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
{ int val = ic1.ToInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToInt32(null))).ToChar(null));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(Plus.DoOp(val, ic2.ToInt32(null)));
case TypeCode.UInt32:
case TypeCode.Int64:
return(Plus.DoOp((long)val, ic2.ToInt64(null)));
case TypeCode.UInt64:
if (val >= 0)
{
return(Plus.DoOp((ulong)val, ic2.ToUInt64(null)));
}
else
{
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
}
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.UInt32:
{ uint val = ic1.ToUInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
int val2 = ic2.ToInt32(null);
if (val2 >= 0)
{
return(Plus.DoOp(val, (uint)val2));
}
else
{
return(Plus.DoOp((long)val, (long)val2));
}
case TypeCode.Int64:
return(Plus.DoOp((long)val, ic2.ToInt64(null)));
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToUInt32(null))).ToChar(null));
case TypeCode.Boolean:
case TypeCode.UInt16:
case TypeCode.UInt32:
return(Plus.DoOp(val, ic2.ToUInt32(null)));
case TypeCode.UInt64:
return(Plus.DoOp((ulong)val, ic2.ToUInt64(null)));
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.Int64:
{ long val = ic1.ToInt64(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToInt64(null))).ToChar(null));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
return(Plus.DoOp(val, ic2.ToInt64(null)));
case TypeCode.UInt64:
if (val >= 0)
{
return(Plus.DoOp((ulong)val, ic2.ToUInt64(null)));
}
else
{
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
}
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.UInt64:
{ ulong val = ic1.ToUInt64(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
long val2 = ic2.ToInt64(null);
if (val2 >= 0)
{
return(Plus.DoOp(val, (ulong)val2));
}
else
{
return(Plus.DoOp((double)val, (double)val2));
}
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToUInt64(null))).ToChar(null));
case TypeCode.UInt16:
case TypeCode.Boolean:
case TypeCode.UInt32:
case TypeCode.UInt64:
return(Plus.DoOp(val, ic2.ToUInt64(null)));
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.Single:
case TypeCode.Double: {
double d = ic1.ToDouble(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(ic1.ToDouble(null));
case TypeCode.Char:
return(System.Convert.ToChar(System.Convert.ToInt32((d + (double)ic2.ToInt32(null)))));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(d + (double)ic2.ToInt32(null));
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
return(d + ic2.ToDouble(null));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(new ConcatString(Convert.ToString(d), ic2.ToString(null)));
}
break;
}
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
switch (t2)
{
case TypeCode.Object:
break;
case TypeCode.String:
if (v1 is ConcatString)
{
return(new ConcatString((ConcatString)v1, ic2.ToString(null)));
}
else
{
return(new ConcatString(ic1.ToString(null), ic2.ToString(null)));
}
default:
if (v1 is ConcatString)
{
return(new ConcatString((ConcatString)v1, Convert.ToString(v2)));
}
else
{
return(new ConcatString(ic1.ToString(null), Convert.ToString(v2)));
}
}
break;
}
MethodInfo oper = this.GetOperator(v1 == null ? Typeob.Empty : v1.GetType(), v2 == null ? Typeob.Empty : v2.GetType());
if (oper != null)
{
return(oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v1, v2 }, null));
}
else
{
return(Plus.DoOp(v1, v2));
}
}
internal override void TranslateToIL(ILGenerator il, Type rtype)
{
Type type = Convert.ToType(this.InferType(null));
if (this.metaData == null)
{
Type rt = Typeob.Object;
if (rtype == Typeob.Double)
{
rt = rtype;
}
else if (this.type1 == Typeob.Char && this.type2 == Typeob.Char)
{
rt = Typeob.String;
}
else if (Convert.IsPrimitiveNumericType(rtype) && Convert.IsPromotableTo(this.type1, rtype) && Convert.IsPromotableTo(this.type2, rtype))
{
rt = rtype;
}
else if (this.type1 != Typeob.String && this.type2 != Typeob.String) //Both will be converted to numbers
{
rt = Typeob.Double; //Won't get here unless InferType returned Typeob.Double.
}
else
{
rt = Typeob.String;
}
if (rt == Typeob.SByte || rt == Typeob.Int16)
{
rt = Typeob.Int32;
}
else if (rt == Typeob.Byte || rt == Typeob.UInt16 || rt == Typeob.Char)
{
rt = Typeob.UInt32;
}
if (rt == Typeob.String)
{
if (this.operand1 is Plus && this.type1 == rt)
{
Plus op1 = (Plus)this.operand1;
if (op1.operand1 is Plus && op1.type1 == rt)
{
Plus op11 = (Plus)op1.operand1;
if (op11.operand1 is Plus && op11.type1 == rt)
{
int len = op1.TranslateToILArrayOfStrings(il, 1);
il.Emit(OpCodes.Dup);
ConstantWrapper.TranslateToILInt(il, len - 1);
this.operand2.TranslateToIL(il, rt);
il.Emit(OpCodes.Stelem_Ref);
il.Emit(OpCodes.Call, CompilerGlobals.stringConcatArrMethod);
Convert.Emit(this, il, rt, rtype);
return;
}
Plus.TranslateToStringWithSpecialCaseForNull(il, op11.operand1);
Plus.TranslateToStringWithSpecialCaseForNull(il, op11.operand2);
Plus.TranslateToStringWithSpecialCaseForNull(il, op1.operand2);
Plus.TranslateToStringWithSpecialCaseForNull(il, this.operand2);
il.Emit(OpCodes.Call, CompilerGlobals.stringConcat4Method);
Convert.Emit(this, il, rt, rtype);
return;
}
Plus.TranslateToStringWithSpecialCaseForNull(il, op1.operand1);
Plus.TranslateToStringWithSpecialCaseForNull(il, op1.operand2);
Plus.TranslateToStringWithSpecialCaseForNull(il, this.operand2);
il.Emit(OpCodes.Call, CompilerGlobals.stringConcat3Method);
Convert.Emit(this, il, rt, rtype);
return;
}
Plus.TranslateToStringWithSpecialCaseForNull(il, this.operand1);
Plus.TranslateToStringWithSpecialCaseForNull(il, this.operand2);
il.Emit(OpCodes.Call, CompilerGlobals.stringConcat2Method);
Convert.Emit(this, il, rt, rtype);
return;
}
this.operand1.TranslateToIL(il, rt);
this.operand2.TranslateToIL(il, rt);
if (rt == Typeob.Object)
{
il.Emit(OpCodes.Call, CompilerGlobals.plusDoOpMethod);
}
else if (rt == Typeob.Double || rt == Typeob.Single)
{
il.Emit(OpCodes.Add);
}
else if (rt == Typeob.Int32 || rt == Typeob.Int64)
{
il.Emit(OpCodes.Add_Ovf);
}
else
{
il.Emit(OpCodes.Add_Ovf_Un);
}
if (type == Typeob.Char)
{
Convert.Emit(this, il, rt, Typeob.Char);
Convert.Emit(this, il, Typeob.Char, rtype);
}
else
{
Convert.Emit(this, il, rt, rtype);
}
return;
}
if (this.metaData is MethodInfo)
{
MethodInfo oper = (MethodInfo)this.metaData;
ParameterInfo[] pars = oper.GetParameters();
this.operand1.TranslateToIL(il, pars[0].ParameterType);
this.operand2.TranslateToIL(il, pars[1].ParameterType);
il.Emit(OpCodes.Call, oper);
Convert.Emit(this, il, oper.ReturnType, rtype);
return;
}
//Getting here is just too bad. We do not know until the code runs whether or not to call an overloaded operator method.
//Compile operands to objects and devolve the decision making to run time thunks
//Also get here when dealing with Int64 and UInt64. These cannot always be converted to doubles. The late-bound code checks for this.
il.Emit(OpCodes.Ldloc, (LocalBuilder)this.metaData);
this.operand1.TranslateToIL(il, Typeob.Object);
this.operand2.TranslateToIL(il, Typeob.Object);
il.Emit(OpCodes.Callvirt, CompilerGlobals.evaluatePlusMethod);
Convert.Emit(this, il, Typeob.Object, rtype);
}