public static void ClipInteger(ConversionBlock block, Expression expression, IType type, bool isExplicit)
{
var specialType = NullableType.IsNullable(type) ? NullableType.GetUnderlyingType(type) : type;
if (!isExplicit && (specialType.IsKnownType(KnownTypeCode.UInt64) || specialType.IsKnownType(KnownTypeCode.Int64)))
{
//expression.AcceptVisitor(block.Emitter);
return;
}
NarrowingNumericOrEnumerationConversion(block, expression, specialType, false, false, NullableType.IsNullable(type), isExplicit);
}
private static void ClipDecimal(Expression expression, ConversionBlock block, IType expectedType)
{
var toFloat = Helpers.IsFloatType(expectedType, block.Emitter.Resolver);
if (toFloat || (block.Emitter.IsJavaScriptOverflowMode && !InsideOverflowContext(block.Emitter, expression)))
{
block.Write(JS.Types.SYSTEM_DECIMAL + ".toFloat");
block.Write("(");
block.AfterOutput += ")";
}
else
{
block.Write(JS.Types.SYSTEM_DECIMAL + ".toInt(");
block.AfterOutput = ", " + BridgeTypes.ToJsName(expectedType, block.Emitter) + ")";
}
}
public static int CheckConversion(ConversionBlock block, Expression expression)
{
try
{
var rr = block.Emitter.Resolver.ResolveNode(expression, block.Emitter);
var conversion = block.Emitter.Resolver.Resolver.GetConversion(expression);
var expectedType = block.Emitter.Resolver.Resolver.GetExpectedType(expression);
int level = 0;
return(ConversionBlock.DoConversion(block, expression, conversion, expectedType, level, rr));
}
catch
{
}
return(0);
}
private static void ClipDecimal(Expression expression, ConversionBlock block, IType expectedType)
{
var toFloat = Helpers.IsFloatType(expectedType, block.Emitter.Resolver);
if (toFloat || (block.Emitter.IsJavaScriptOverflowMode && !InsideOverflowContext(block.Emitter, expression)))
{
block.Write("Bridge.Decimal.toFloat");
if (!(expression is CastExpression && ((CastExpression)expression).Expression is ParenthesizedExpression))
{
block.Write("(");
block.AfterOutput += ")";
}
}
else
{
block.Write("Bridge.Decimal.toInt(");
block.AfterOutput = ", " + BridgeTypes.ToJsName(expectedType, block.Emitter) + ")";
}
}
private static void AddBox(IMember m, IEmitter emitter, JObject properties)
{
bool needBox = ConversionBlock.IsBoxable(m.ReturnType, emitter) ||
m.ReturnType.IsKnownType(KnownTypeCode.NullableOfT) &&
ConversionBlock.IsBoxable(NullableType.GetUnderlyingType(m.ReturnType), emitter);
if (needBox)
{
StringBuilder sb = new StringBuilder("function (" + JS.Vars.V + ") { return ");
sb.Append(JS.Types.Bridge.BOX);
sb.Append("(" + JS.Vars.V + ", ");
sb.Append(ConversionBlock.GetBoxedType(m.ReturnType, emitter));
var inlineMethod = ConversionBlock.GetInlineMethod(emitter, CS.Methods.TOSTRING,
emitter.Resolver.Compilation.FindType(KnownTypeCode.String), m.ReturnType, null);
if (inlineMethod != null)
{
sb.Append(", " + inlineMethod);
}
inlineMethod = ConversionBlock.GetInlineMethod(emitter, CS.Methods.GETHASHCODE,
emitter.Resolver.Compilation.FindType(KnownTypeCode.Int32), m.ReturnType, null);
if (inlineMethod != null)
{
sb.Append(", " + inlineMethod);
}
sb.Append(");");
sb.Append("}");
properties.Add(JS.Fields.BOX, new JRaw(sb.ToString()));
}
}
protected virtual int CheckConversion(Expression expression)
{
return(ConversionBlock.CheckConversion(this, expression));
}
public static void FloatToInt(ConversionBlock block, Expression expression, IType sourceType, IType targetType, bool isChecked)
{
NarrowingNumericOrEnumerationConversion(block, expression, NullableType.IsNullable(targetType) ? NullableType.GetUnderlyingType(targetType) : targetType, true, isChecked, NullableType.IsNullable(sourceType));
}
private static void CheckLong(ConversionBlock block, Expression expression, IType expectedType, IType fromType, bool isChecked)
{
if (!NeedsNarrowingNumericConversion(fromType, expectedType))
{
return;
}
if (isChecked)
{
expectedType = NullableType.IsNullable(expectedType) ? NullableType.GetUnderlyingType(expectedType) : expectedType;
block.Write(JS.Types.System.Int64.CHECK);
block.WriteOpenParentheses();
block.AfterOutput += ", ";
block.AfterOutput += BridgeTypes.ToJsName(expectedType, block.Emitter);
block.AfterOutput += ")";
}
else
{
string action = null;
expectedType = NullableType.IsNullable(expectedType) ? NullableType.GetUnderlyingType(expectedType) : expectedType;
if (block.Emitter.IsJavaScriptOverflowMode && !InsideOverflowContext(block.Emitter, expression))
{
action = "toNumber";
}
else if (expectedType.IsKnownType(KnownTypeCode.Char))
{
action = "clipu16";
}
else if (expectedType.IsKnownType(KnownTypeCode.SByte))
{
action = "clip8";
}
else if (expectedType.IsKnownType(KnownTypeCode.Byte))
{
action = "clipu8";
}
else if (expectedType.IsKnownType(KnownTypeCode.Int16))
{
action = "clip16";
}
else if (expectedType.IsKnownType(KnownTypeCode.UInt16))
{
action = "clipu16";
}
else if (expectedType.IsKnownType(KnownTypeCode.Int32))
{
action = "clip32";
}
else if (expectedType.IsKnownType(KnownTypeCode.UInt32))
{
action = "clipu32";
}
else if (expectedType.IsKnownType(KnownTypeCode.Int64))
{
action = "clip64";
}
else if (expectedType.IsKnownType(KnownTypeCode.UInt64))
{
action = "clipu64";
}
else
{
throw new ArgumentException("Can not narrow to " + expectedType, "expectedType");
}
block.Write(JS.Types.System.Int64.NAME + ".");
block.Write(action);
if (!(expression is CastExpression && ((CastExpression)expression).Expression is ParenthesizedExpression))
{
block.Write("(");
block.AfterOutput += ")";
}
}
}
protected virtual void EmitCastExpression(Expression expression, AstType type, string method)
{
var castToEnum = this.Emitter.BridgeTypes.ToType(type).Kind == TypeKind.Enum;
if (method != Bridge.Translator.Emitter.IS && (Helpers.IsIgnoreCast(type, this.Emitter) || castToEnum))
{
expression.AcceptVisitor(this.Emitter);
return;
}
if (method == Bridge.Translator.Emitter.IS && castToEnum)
{
this.Write("Bridge.hasValue(");
expression.AcceptVisitor(this.Emitter);
this.Write(")");
return;
}
var expressionrr = this.Emitter.Resolver.ResolveNode(expression, this.Emitter);
var typerr = this.Emitter.Resolver.ResolveNode(type, this.Emitter);
if (expressionrr.Type.Equals(typerr.Type))
{
if (method == Bridge.Translator.Emitter.IS)
{
this.WriteScript(true);
}
else
{
expression.AcceptVisitor(this.Emitter);
}
return;
}
bool isInlineCast;
string castCode = this.GetCastCode(expression, type, out isInlineCast);
bool isNullable = NullableType.IsNullable(expressionrr.Type);
bool isResultNullable = NullableType.IsNullable(typerr.Type);
if (isInlineCast)
{
if (isNullable)
{
isNullable = !NullableType.GetUnderlyingType(expressionrr.Type).Equals(typerr.Type);
}
this.EmitInlineCast(expression, type, castCode, isNullable, isResultNullable);
return;
}
if (method == Bridge.Translator.Emitter.CAST)
{
if (Helpers.IsIntegerType(typerr.Type, this.Emitter.Resolver))
{
if (expressionrr.Type != null && Helpers.IsFloatType(expressionrr.Type, this.Emitter.Resolver))
{
this.Write("Bridge.Int.trunc(");
if (isNullable && !isResultNullable)
{
this.Write("Bridge.Nullable.getValue(");
}
expression.AcceptVisitor(this.Emitter);
if (isNullable && !isResultNullable)
{
this.WriteCloseParentheses();
}
this.Write(")");
return;
}
}
if (ConversionBlock.IsUserDefinedConversion(this, this.CastExpression.Expression))
{
expression.AcceptVisitor(this.Emitter);
return;
}
}
var simpleType = type as SimpleType;
bool hasValue = false;
if (simpleType != null && simpleType.Identifier == "dynamic")
{
if (method == Bridge.Translator.Emitter.CAST || method == Bridge.Translator.Emitter.AS)
{
expression.AcceptVisitor(this.Emitter);
return;
}
else if (method == Bridge.Translator.Emitter.IS)
{
hasValue = true;
method = "hasValue";
}
}
this.Write(Bridge.Translator.Emitter.ROOT);
this.WriteDot();
this.Write(method);
this.WriteOpenParentheses();
if (isNullable && !isResultNullable)
{
this.Write("Bridge.Nullable.getValue(");
}
expression.AcceptVisitor(this.Emitter);
if (isNullable && !isResultNullable)
{
this.WriteCloseParentheses();
}
if (!hasValue)
{
this.WriteComma();
if (castCode != null)
{
this.Write(castCode);
}
else
{
this.EmitCastType(type);
}
}
if (isResultNullable && method != Bridge.Translator.Emitter.IS)
{
this.WriteComma();
this.WriteScript(true);
}
this.WriteCloseParentheses();
}
protected virtual void EmitCastExpression(Expression expression, AstType type, string method)
{
var castToEnum = this.Emitter.BridgeTypes.ToType(type).Kind == TypeKind.Enum;
if (method != Bridge.Translator.Emitter.IS && (Helpers.IsIgnoreCast(type, this.Emitter) || castToEnum))
{
expression.AcceptVisitor(this.Emitter);
return;
}
if (method == Bridge.Translator.Emitter.CAST)
{
var cast_rr = this.Emitter.Resolver.ResolveNode(this.CastExpression, this.Emitter);
if (cast_rr is ConstantResolveResult)
{
var expectedType = this.Emitter.Resolver.Resolver.GetExpectedType(this.CastExpression);
var value = ((ConstantResolveResult)cast_rr).ConstantValue;
this.WriteCastValue(value, expectedType);
return;
}
else
{
var conv_rr = cast_rr as ConversionResolveResult;
if (conv_rr != null && conv_rr.Input is ConstantResolveResult && !conv_rr.Conversion.IsUserDefined)
{
var expectedType = this.Emitter.Resolver.Resolver.GetExpectedType(this.CastExpression);
var value = ((ConstantResolveResult)conv_rr.Input).ConstantValue;
this.WriteCastValue(value, expectedType);
return;
}
}
}
if (method == Bridge.Translator.Emitter.IS && castToEnum)
{
this.Write("Bridge.hasValue(");
expression.AcceptVisitor(this.Emitter);
this.Write(")");
return;
}
var expressionrr = this.Emitter.Resolver.ResolveNode(expression, this.Emitter);
var typerr = this.Emitter.Resolver.ResolveNode(type, this.Emitter);
if (expressionrr.Type.Equals(typerr.Type))
{
if (method == Bridge.Translator.Emitter.IS)
{
this.WriteScript(true);
}
else
{
expression.AcceptVisitor(this.Emitter);
}
return;
}
bool isInlineCast;
string castCode = this.GetCastCode(expression, type, out isInlineCast);
bool isNullable = NullableType.IsNullable(expressionrr.Type);
bool isResultNullable = NullableType.IsNullable(typerr.Type);
if (isInlineCast)
{
this.EmitInlineCast(expression, type, castCode);
return;
}
bool isCast = method == Bridge.Translator.Emitter.CAST;
if (isCast)
{
if (ConversionBlock.IsUserDefinedConversion(this, this.CastExpression.Expression) || ConversionBlock.IsUserDefinedConversion(this, this.CastExpression))
{
expression.AcceptVisitor(this.Emitter);
return;
}
}
var conversion = this.Emitter.Resolver.Resolver.GetConversion(expression);
if (conversion.IsNumericConversion || (isCast && conversion.IsIdentityConversion))
{
expression.AcceptVisitor(this.Emitter);
return;
}
var simpleType = type as SimpleType;
bool hasValue = false;
if (simpleType != null && simpleType.Identifier == "dynamic")
{
if (method == Bridge.Translator.Emitter.CAST || method == Bridge.Translator.Emitter.AS)
{
expression.AcceptVisitor(this.Emitter);
return;
}
else if (method == Bridge.Translator.Emitter.IS)
{
hasValue = true;
method = "hasValue";
}
}
this.Write(Bridge.Translator.Emitter.ROOT);
this.WriteDot();
this.Write(method);
this.WriteOpenParentheses();
expression.AcceptVisitor(this.Emitter);
if (!hasValue)
{
this.WriteComma();
if (castCode != null)
{
this.Write(castCode);
}
else
{
this.EmitCastType(type);
}
}
if (isResultNullable && method != Bridge.Translator.Emitter.IS)
{
this.WriteComma();
this.WriteScript(true);
}
this.WriteCloseParentheses();
}
protected void VisitAssignmentExpression()
{
AssignmentExpression assignmentExpression = this.AssignmentExpression;
var oldAssigment = this.Emitter.IsAssignment;
var oldAssigmentType = this.Emitter.AssignmentType;
string variable = null;
bool needReturnValue = !(assignmentExpression.Parent is ExpressionStatement);
if (needReturnValue && assignmentExpression.Parent is LambdaExpression)
{
var lambdarr = this.Emitter.Resolver.ResolveNode(assignmentExpression.Parent, this.Emitter) as LambdaResolveResult;
if (lambdarr != null && lambdarr.ReturnType.Kind == TypeKind.Void)
{
needReturnValue = false;
}
}
var delegateAssigment = false;
bool isEvent = false;
var initCount = this.Emitter.Writers.Count;
var asyncExpressionHandling = this.Emitter.AsyncExpressionHandling;
this.WriteAwaiters(assignmentExpression.Left);
this.WriteAwaiters(assignmentExpression.Right);
var leftResolverResult = this.Emitter.Resolver.ResolveNode(assignmentExpression.Left, this.Emitter);
var rightResolverResult = this.Emitter.Resolver.ResolveNode(assignmentExpression.Right, this.Emitter);
var rr = this.Emitter.Resolver.ResolveNode(assignmentExpression, this.Emitter);
var orr = rr as OperatorResolveResult;
bool isDecimal = Helpers.IsDecimalType(rr.Type, this.Emitter.Resolver);
bool isLong = Helpers.Is64Type(rr.Type, this.Emitter.Resolver);
var expectedType = this.Emitter.Resolver.Resolver.GetExpectedType(assignmentExpression);
bool isDecimalExpected = Helpers.IsDecimalType(expectedType, this.Emitter.Resolver);
bool isLongExpected = Helpers.Is64Type(expectedType, this.Emitter.Resolver);
bool isUserOperator = this.IsUserOperator(orr);
bool isUint = rr.Type.IsKnownType(KnownTypeCode.UInt16) ||
rr.Type.IsKnownType(KnownTypeCode.UInt32) ||
rr.Type.IsKnownType(KnownTypeCode.UInt64);
var charToString = -1;
if (orr != null && orr.Type.IsKnownType(KnownTypeCode.String))
{
for (int i = 0; i < orr.Operands.Count; i++)
{
var crr = orr.Operands[i] as ConversionResolveResult;
if (crr != null && crr.Input.Type.IsKnownType(KnownTypeCode.Char))
{
charToString = i;
}
}
}
var memberTargetrr = leftResolverResult as MemberResolveResult;
bool isField = (memberTargetrr != null && memberTargetrr.Member is IField &&
(memberTargetrr.TargetResult is ThisResolveResult ||
memberTargetrr.TargetResult is LocalResolveResult)) || leftResolverResult is ThisResolveResult || leftResolverResult is LocalResolveResult || leftResolverResult is ConstantResolveResult;
var rightMemberTargetrr = rightResolverResult as MemberResolveResult;
bool isRightSimple = (rightMemberTargetrr != null && rightMemberTargetrr.Member is IField &&
(rightMemberTargetrr.TargetResult is ThisResolveResult ||
rightMemberTargetrr.TargetResult is LocalResolveResult)) || rightResolverResult is ThisResolveResult || rightResolverResult is LocalResolveResult || rightResolverResult is ConstantResolveResult;
var needTempVar = needReturnValue && (!isRightSimple && !isField || assignmentExpression.Operator != AssignmentOperatorType.Assign);
/*if (assignmentExpression.Operator == AssignmentOperatorType.Any)
* {
* needTempVar = false;
* }*/
if (needReturnValue)
{
if (needTempVar)
{
variable = this.GetTempVarName();
this.Write("(" + variable + " = ");
var oldValue1 = this.Emitter.ReplaceAwaiterByVar;
this.Emitter.ReplaceAwaiterByVar = true;
assignmentExpression.Right.AcceptVisitor(this.Emitter);
this.Emitter.ReplaceAwaiterByVar = oldValue1;
this.Write(", ");
}
else
{
this.Write("(");
}
}
if (assignmentExpression.Operator == AssignmentOperatorType.Divide &&
!(this.Emitter.IsJavaScriptOverflowMode && !ConversionBlock.InsideOverflowContext(this.Emitter, assignmentExpression)) &&
!isLong && !isLongExpected &&
(
(Helpers.IsIntegerType(leftResolverResult.Type, this.Emitter.Resolver) &&
Helpers.IsIntegerType(rightResolverResult.Type, this.Emitter.Resolver)) ||
(Helpers.IsIntegerType(this.Emitter.Resolver.Resolver.GetExpectedType(assignmentExpression.Left), this.Emitter.Resolver) &&
Helpers.IsIntegerType(this.Emitter.Resolver.Resolver.GetExpectedType(assignmentExpression.Right), this.Emitter.Resolver))
))
{
this.Emitter.IsAssignment = true;
this.Emitter.AssignmentType = AssignmentOperatorType.Assign;
var oldValue1 = this.Emitter.ReplaceAwaiterByVar;
this.Emitter.ReplaceAwaiterByVar = true;
assignmentExpression.Left.AcceptVisitor(this.Emitter);
if (this.Emitter.Writers.Count == initCount)
{
this.Write(" = ");
}
this.Emitter.ReplaceAwaiterByVar = oldValue1;
this.Emitter.AssignmentType = oldAssigmentType;
this.Emitter.IsAssignment = oldAssigment;
this.Write(JS.Types.BRIDGE_INT + "." + JS.Funcs.Math.DIV + "(");
assignmentExpression.Left.AcceptVisitor(this.Emitter);
this.Write(", ");
oldValue1 = this.Emitter.ReplaceAwaiterByVar;
this.Emitter.ReplaceAwaiterByVar = true;
assignmentExpression.Right.AcceptVisitor(this.Emitter);
this.Write(")");
this.Emitter.ReplaceAwaiterByVar = oldValue1;
this.Emitter.AsyncExpressionHandling = asyncExpressionHandling;
if (this.Emitter.Writers.Count > initCount)
{
this.PopWriter();
}
if (needReturnValue && !isField)
{
if (needTempVar)
{
this.Write(", " + variable);
}
else
{
this.Write(", ");
this.Emitter.IsAssignment = false;
assignmentExpression.Right.AcceptVisitor(this.Emitter);
this.Emitter.IsAssignment = oldAssigment;
}
}
if (needReturnValue)
{
this.Write(")");
}
return;
}
if (assignmentExpression.Operator == AssignmentOperatorType.Add ||
assignmentExpression.Operator == AssignmentOperatorType.Subtract)
{
var add = assignmentExpression.Operator == AssignmentOperatorType.Add;
if (this.Emitter.Validator.IsDelegateOrLambda(leftResolverResult))
{
delegateAssigment = true;
var leftMemberResolveResult = leftResolverResult as MemberResolveResult;
if (leftMemberResolveResult != null)
{
isEvent = leftMemberResolveResult.Member is IEvent;
}
if (!isEvent)
{
this.Emitter.IsAssignment = true;
this.Emitter.AssignmentType = AssignmentOperatorType.Assign;
assignmentExpression.Left.AcceptVisitor(this.Emitter);
this.Emitter.IsAssignment = false;
if (this.Emitter.Writers.Count == initCount)
{
this.Write(" = ");
}
this.Write(add ? JS.Funcs.BRIDGE_COMBINE : JS.Funcs.BRIDGE_REMOVE);
this.WriteOpenParentheses();
}
}
}
bool nullable = orr != null && orr.IsLiftedOperator;
string root = JS.Types.SYSTEM_NULLABLE + ".";
bool special = nullable;
this.Emitter.IsAssignment = true;
this.Emitter.AssignmentType = assignmentExpression.Operator;
var oldValue = this.Emitter.ReplaceAwaiterByVar;
this.Emitter.ReplaceAwaiterByVar = true;
bool thisAssignment = leftResolverResult is ThisResolveResult;
if (!thisAssignment)
{
if (special || (isDecimal && isDecimalExpected) || (isLong && isLongExpected) || isUserOperator)
{
this.Emitter.AssignmentType = AssignmentOperatorType.Assign;
}
if (delegateAssigment && !isEvent)
{
this.Emitter.IsAssignment = false;
}
assignmentExpression.Left.AcceptVisitor(this.Emitter);
if (delegateAssigment)
{
this.Emitter.IsAssignment = true;
}
}
else
{
this.Write("(");
}
this.Emitter.ReplaceAwaiterByVar = oldValue;
this.Emitter.AssignmentType = oldAssigmentType;
this.Emitter.IsAssignment = oldAssigment;
if (this.Emitter.Writers.Count == initCount && !delegateAssigment && !thisAssignment)
{
this.WriteSpace();
}
if (isDecimal && isDecimalExpected)
{
if (this.Emitter.Writers.Count == initCount)
{
this.Write("= ");
}
oldValue = this.Emitter.ReplaceAwaiterByVar;
this.Emitter.ReplaceAwaiterByVar = true;
this.HandleDecimal(rr, variable);
if (this.Emitter.Writers.Count > initCount)
{
this.PopWriter();
}
if (needTempVar)
{
this.Write(", " + variable + ")");
}
else if (needReturnValue)
{
if (!isField)
{
this.Write(", ");
this.Emitter.IsAssignment = false;
assignmentExpression.Right.AcceptVisitor(this.Emitter);
this.Emitter.IsAssignment = oldAssigment;
}
this.Write(")");
}
this.Emitter.ReplaceAwaiterByVar = oldValue;
return;
}
if (isLong && isLongExpected)
{
if (this.Emitter.Writers.Count == initCount)
{
this.Write("= ");
}
oldValue = this.Emitter.ReplaceAwaiterByVar;
this.Emitter.ReplaceAwaiterByVar = true;
this.HandleLong(rr, variable, isUint);
if (this.Emitter.Writers.Count > initCount)
{
this.PopWriter();
}
if (needTempVar)
{
this.Write(", " + variable + ")");
}
else if (needReturnValue)
{
if (!isField)
{
this.Write(", ");
this.Emitter.IsAssignment = false;
assignmentExpression.Right.AcceptVisitor(this.Emitter);
this.Emitter.IsAssignment = oldAssigment;
}
this.Write(")");
}
this.Emitter.ReplaceAwaiterByVar = oldValue;
return;
}
if (this.ResolveOperator(assignmentExpression, orr, initCount, thisAssignment))
{
if (thisAssignment)
{
this.Write(")." + JS.Funcs.CLONE + "(this)");
}
else if (needReturnValue)
{
this.Write(")");
}
return;
}
bool isBool = NullableType.IsNullable(rr.Type) ? NullableType.GetUnderlyingType(rr.Type).IsKnownType(KnownTypeCode.Boolean) : rr.Type.IsKnownType(KnownTypeCode.Boolean);
if (!delegateAssigment)
{
if (!special)
{
switch (assignmentExpression.Operator)
{
case AssignmentOperatorType.Assign:
break;
case AssignmentOperatorType.Add:
this.Write("+");
break;
case AssignmentOperatorType.BitwiseAnd:
if (!isBool)
{
this.Write("&");
}
break;
case AssignmentOperatorType.BitwiseOr:
if (!isBool)
{
this.Write("|");
}
break;
case AssignmentOperatorType.Divide:
this.Write("/");
break;
case AssignmentOperatorType.ExclusiveOr:
this.Write("^");
break;
case AssignmentOperatorType.Modulus:
this.Write("%");
break;
case AssignmentOperatorType.Multiply:
this.Write("*");
break;
case AssignmentOperatorType.ShiftLeft:
this.Write("<<");
break;
case AssignmentOperatorType.ShiftRight:
this.Write(isUint ? ">>>" : ">>");
break;
case AssignmentOperatorType.Subtract:
this.Write("-");
break;
default:
throw new EmitterException(assignmentExpression,
"Unsupported assignment operator: " + assignmentExpression.Operator.ToString());
}
}
if (special)
{
if (this.Emitter.Writers.Count == initCount)
{
this.Write("= ");
}
this.Write(root);
switch (assignmentExpression.Operator)
{
case AssignmentOperatorType.Assign:
break;
case AssignmentOperatorType.Add:
this.Write(JS.Funcs.Math.ADD);
break;
case AssignmentOperatorType.BitwiseAnd:
this.Write(isBool ? JS.Funcs.Math.AND : JS.Funcs.Math.BAND);
break;
case AssignmentOperatorType.BitwiseOr:
this.Write(isBool ? JS.Funcs.Math.OR : JS.Funcs.Math.BOR);
break;
case AssignmentOperatorType.Divide:
this.Write(JS.Funcs.Math.DIV);
break;
case AssignmentOperatorType.ExclusiveOr:
this.Write(JS.Funcs.Math.XOR);
break;
case AssignmentOperatorType.Modulus:
this.Write(JS.Funcs.Math.MOD);
break;
case AssignmentOperatorType.Multiply:
this.Write(JS.Funcs.Math.MUL);
break;
case AssignmentOperatorType.ShiftLeft:
this.Write(JS.Funcs.Math.SL);
break;
case AssignmentOperatorType.ShiftRight:
this.Write(isUint ? JS.Funcs.Math.SRR : JS.Funcs.Math.SR);
break;
case AssignmentOperatorType.Subtract:
this.Write(JS.Funcs.Math.SUB);
break;
default:
throw new EmitterException(assignmentExpression,
"Unsupported assignment operator: " + assignmentExpression.Operator.ToString());
}
this.WriteOpenParentheses();
assignmentExpression.Left.AcceptVisitor(this.Emitter);
this.Write(", ");
}
if (this.Emitter.Writers.Count == initCount && !thisAssignment && !special)
{
this.Write("= ");
}
}
else if (!isEvent)
{
this.WriteComma();
}
if (!special && isBool && (assignmentExpression.Operator == AssignmentOperatorType.BitwiseAnd || assignmentExpression.Operator == AssignmentOperatorType.BitwiseOr))
{
this.Write("!!(");
assignmentExpression.Left.AcceptVisitor(this.Emitter);
this.Write(assignmentExpression.Operator == AssignmentOperatorType.BitwiseAnd ? " & " : " | ");
}
oldValue = this.Emitter.ReplaceAwaiterByVar;
this.Emitter.ReplaceAwaiterByVar = true;
if (charToString == 1)
{
this.Write(JS.Funcs.STRING_FROMCHARCODE + "(");
}
if (needTempVar)
{
this.Write(variable);
}
else
{
var wrap = assignmentExpression.Operator != AssignmentOperatorType.Assign &&
this.Emitter.Writers.Count > initCount &&
!AssigmentExpressionHelper.CheckIsRightAssigmentExpression(assignmentExpression);
if (wrap)
{
this.WriteOpenParentheses();
}
assignmentExpression.Right.AcceptVisitor(this.Emitter);
if (wrap)
{
this.WriteCloseParentheses();
}
}
if (!special && isBool &&
(assignmentExpression.Operator == AssignmentOperatorType.BitwiseAnd ||
assignmentExpression.Operator == AssignmentOperatorType.BitwiseOr))
{
this.WriteCloseParentheses();
}
if (charToString == 1)
{
this.WriteCloseParentheses();
}
if (special)
{
this.WriteCloseParentheses();
}
if (thisAssignment)
{
this.Write(")." + JS.Funcs.CLONE + "(this)");
}
this.Emitter.ReplaceAwaiterByVar = oldValue;
this.Emitter.AsyncExpressionHandling = asyncExpressionHandling;
if (this.Emitter.Writers.Count > initCount)
{
var writerCount = this.Emitter.Writers.Count;
for (int i = initCount; i < writerCount; i++)
{
this.PopWriter();
}
}
if (delegateAssigment)
{
this.WriteCloseParentheses();
}
if (needTempVar)
{
this.Write(", " + variable + ")");
}
else if (needReturnValue)
{
if (!isField)
{
this.Write(", ");
this.Emitter.IsAssignment = false;
assignmentExpression.Right.AcceptVisitor(this.Emitter);
this.Emitter.IsAssignment = oldAssigment;
}
this.Write(")");
}
}
public static int CheckConversion(ConversionBlock block, Expression expression)
{
try
{
var rr = block.Emitter.Resolver.ResolveNode(expression, block.Emitter);
var conversion = block.Emitter.Resolver.Resolver.GetConversion(expression);
var expectedType = block.Emitter.Resolver.Resolver.GetExpectedType(expression);
int level = 0;
if (block.Emitter.IsAssignment)
{
return(level);
}
/*if (expression is ParenthesizedExpression && expression.Parent is CastExpression)
* {
* return level;
* }*/
if (conversion.IsUserDefined && expression.Parent is CastExpression && ((CastExpression)expression.Parent).Expression == expression)
{
var parentConversion = block.Emitter.Resolver.Resolver.GetConversion((CastExpression)expression.Parent);
if (!parentConversion.IsUserDefined || parentConversion.Method.Equals(conversion.Method))
{
return(level);
}
}
if (rr is ConstantResolveResult && expression is CastExpression && !conversion.IsUserDefined)
{
return(level);
}
var convrr = rr as ConversionResolveResult;
if (convrr != null && convrr.Input is ConstantResolveResult && !convrr.Conversion.IsUserDefined)
{
return(level);
}
if (convrr != null && !conversion.IsUserDefined)
{
conversion = convrr.Conversion;
rr = convrr.Input;
expectedType = convrr.Type;
}
if (!((expression.Parent is CastExpression) && !(expression is CastExpression)))
{
CheckNumericConversion(block, expression, rr, expectedType, conversion);
}
if (!(conversion.IsExplicit && conversion.IsNumericConversion))
{
level = ConversionBlock.CheckDecimalConversion(block, expression, rr, expectedType, conversion) ? (level + 1) : level;
}
if (Helpers.IsDecimalType(expectedType, block.Emitter.Resolver) && !conversion.IsUserDefined)
{
return(level);
}
if (!(conversion.IsExplicit && conversion.IsNumericConversion))
{
level = ConversionBlock.CheckLongConversion(block, expression, rr, expectedType, conversion)
? (level + 1)
: level;
}
if (Helpers.Is64Type(expectedType, block.Emitter.Resolver) && !conversion.IsUserDefined)
{
return(level);
}
if (conversion == null)
{
return(level);
}
if (conversion.IsIdentityConversion)
{
return(level);
}
var isNumLifted = conversion.IsImplicit && conversion.IsLifted && conversion.IsNumericConversion && !(expression is BinaryOperatorExpression);
if (isNumLifted && !conversion.IsUserDefined)
{
return(level);
}
bool isLifted = conversion.IsLifted && !isNumLifted && !(block is CastBlock) && !Helpers.IsDecimalType(expectedType, block.Emitter.Resolver) && !Helpers.Is64Type(expectedType, block.Emitter.Resolver) && !NullableType.IsNullable(expectedType);
if (isLifted)
{
level++;
block.Write("Bridge.Nullable.getValue(");
}
if (conversion.IsUserDefined)
{
var method = conversion.Method;
string inline = block.Emitter.GetInline(method);
if (conversion.IsExplicit && !string.IsNullOrWhiteSpace(inline))
{
// Still returns true if Nullable.lift( was written.
return(level);
}
if (!string.IsNullOrWhiteSpace(inline))
{
if (expression is InvocationExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is ObjectCreateExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (ObjectCreateExpression)expression), inline).Emit();
}
else if (expression is UnaryOperatorExpression)
{
var unaryExpression = (UnaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(unaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, unaryExpression, orr, method), inline).Emit();
}
else if (expression is BinaryOperatorExpression)
{
var binaryExpression = (BinaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(binaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, binaryExpression, orr, method), inline).Emit();
}
else
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, expression), inline).Emit();
}
block.DisableEmitConversionExpression = true;
// Still returns true if Nullable.lift( was written.
return(level);
}
else
{
if (method.DeclaringTypeDefinition != null && (block.Emitter.Validator.IsIgnoreType(method.DeclaringTypeDefinition) || Helpers.IsIgnoreCast(method.DeclaringTypeDefinition, block.Emitter)))
{
// Still returns true if Nullable.lift( was written.
return(level);
}
block.Write(BridgeTypes.ToJsName(method.DeclaringType, block.Emitter));
block.WriteDot();
block.Write(OverloadsCollection.Create(block.Emitter, method).GetOverloadName());
}
if (isLifted)
{
block.WriteComma();
}
else
{
block.WriteOpenParentheses();
level++;
}
var arg = method.Parameters[0];
if (Helpers.IsDecimalType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver) && !expression.IsNull)
{
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(level);
}
block.WriteOpenParentheses();
level++;
}
if (Helpers.Is64Type(arg.Type, block.Emitter.Resolver, arg.IsParams) && !Helpers.Is64Type(rr.Type, block.Emitter.Resolver) && !expression.IsNull)
{
var isUint = Helpers.IsULongType(arg.Type, block.Emitter.Resolver, arg.IsParams);
block.Write("Bridge." + (isUint ? "ULong" : "Long"));
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(level);
}
block.WriteOpenParentheses();
level++;
}
return(level);
}
// Still returns true if Nullable.lift( was written.
return(level);
}
catch
{
}
return(0);
}
public static bool CheckConversion(ConversionBlock block, Expression expression)
{
Conversion conversion = null;
try
{
var rr = block.Emitter.Resolver.ResolveNode(expression, block.Emitter);
conversion = block.Emitter.Resolver.Resolver.GetConversion(expression);
if (conversion == null)
{
return false;
}
if (conversion.IsIdentityConversion)
{
return false;
}
var isNumLifted = conversion.IsImplicit && conversion.IsLifted && conversion.IsNumericConversion && !(expression is BinaryOperatorExpression);
if (isNumLifted && !conversion.IsUserDefined)
{
return false;
}
if (conversion.IsLifted && !isNumLifted)
{
block.Write("Bridge.Nullable.lift(");
}
if (conversion.IsUserDefined)
{
var method = conversion.Method;
string inline = block.Emitter.GetInline(method);
if (conversion.IsExplicit && !string.IsNullOrWhiteSpace(inline))
{
// Still returns true if Nullable.lift( was written.
return conversion.IsLifted;
}
if (!string.IsNullOrWhiteSpace(inline))
{
if (expression is InvocationExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is ObjectCreateExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is UnaryOperatorExpression)
{
var unaryExpression = (UnaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(unaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, unaryExpression, orr), inline).Emit();
}
else if (expression is BinaryOperatorExpression)
{
var binaryExpression = (BinaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(binaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, binaryExpression, orr), inline).Emit();
}
else
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, expression), inline).Emit();
}
block.DisableEmitConversionExpression = true;
// Still returns true if Nullable.lift( was written.
return conversion.IsLifted;
}
else
{
if (method.DeclaringTypeDefinition != null && block.Emitter.Validator.IsIgnoreType(method.DeclaringTypeDefinition))
{
// Still returns true if Nullable.lift( was written.
return conversion.IsLifted;
}
block.Write(BridgeTypes.ToJsName(method.DeclaringType, block.Emitter));
block.WriteDot();
block.Write(OverloadsCollection.Create(block.Emitter, method).GetOverloadName());
}
if (conversion.IsLifted)
{
block.WriteComma();
}
else
{
block.WriteOpenParentheses();
}
return true;
}
// Still returns true if Nullable.lift( was written.
return conversion.IsLifted;
}
catch
{
}
return false;
}
private static bool CheckTypeConversion(ConversionBlock block, Expression expression, ResolveResult rr, IType expectedType, Conversion conversion, string typeName, IsType isType, bool ignoreConversionResolveResult)
{
if (conversion.IsUserDefined)
{
var m = conversion.Method;
if (isType(m.ReturnType, block.Emitter.Resolver))
{
return(false);
}
}
if (expression is CastExpression && !ignoreConversionResolveResult)
{
var nestedExpr = ((CastExpression)expression).Expression;
var nested_rr = block.Emitter.Resolver.ResolveNode(nestedExpr, block.Emitter);
if (!(nested_rr is ConversionResolveResult))
{
return(false);
}
}
var invocationExpression = expression.Parent as InvocationExpression;
if (invocationExpression != null && invocationExpression.Arguments.Any(a => a == expression))
{
var index = invocationExpression.Arguments.ToList().IndexOf(expression);
var methodResolveResult = block.Emitter.Resolver.ResolveNode(invocationExpression, block.Emitter) as MemberResolveResult;
if (methodResolveResult != null)
{
var m = methodResolveResult.Member as IMethod;
var arg = m.Parameters[index < m.Parameters.Count ? index : (m.Parameters.Count - 1)];
if (isType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
}
var objectCreateExpression = expression.Parent as ObjectCreateExpression;
if (objectCreateExpression != null && objectCreateExpression.Arguments.Any(a => a == expression))
{
var index = objectCreateExpression.Arguments.ToList().IndexOf(expression);
var methodResolveResult = block.Emitter.Resolver.ResolveNode(objectCreateExpression, block.Emitter) as MemberResolveResult;
if (methodResolveResult != null)
{
var m = methodResolveResult.Member as IMethod;
var arg = m.Parameters[index < m.Parameters.Count ? index : (m.Parameters.Count - 1)];
if (isType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
}
var namedArgExpression = expression.Parent as NamedArgumentExpression;
if (namedArgExpression != null)
{
var namedArgResolveResult = block.Emitter.Resolver.ResolveNode(namedArgExpression, block.Emitter) as NamedArgumentResolveResult;
if (isType(namedArgResolveResult.Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (NullableType.IsNullable(namedArgResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
var namedExpression = expression.Parent as NamedExpression;
if (namedExpression != null)
{
var namedResolveResult = block.Emitter.Resolver.ResolveNode(namedExpression, block.Emitter);
if (isType(namedResolveResult.Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (NullableType.IsNullable(namedResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
var binaryOpExpr = expression.Parent as BinaryOperatorExpression;
if (binaryOpExpr != null)
{
var idx = binaryOpExpr.Left == expression ? 0 : 1;
var binaryOpRr = block.Emitter.Resolver.ResolveNode(binaryOpExpr, block.Emitter) as OperatorResolveResult;
if (binaryOpRr != null && isType(binaryOpRr.Operands[idx].Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
var isNullable = NullableType.IsNullable(binaryOpRr.Operands[idx].Type);
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (isNullable && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
var conditionalExpr = expression.Parent as ConditionalExpression;
if (conditionalExpr != null && conditionalExpr.Condition != expression)
{
var idx = conditionalExpr.TrueExpression == expression ? 1 : 2;
var conditionalrr = block.Emitter.Resolver.ResolveNode(conditionalExpr, block.Emitter) as OperatorResolveResult;
if (conditionalrr != null && isType(conditionalrr.Operands[idx].Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (NullableType.IsNullable(conditionalrr.Operands[idx].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
var assignmentExpr = expression.Parent as AssignmentExpression;
if (assignmentExpr != null)
{
var assigmentRr = block.Emitter.Resolver.ResolveNode(assignmentExpr, block.Emitter) as OperatorResolveResult;
if (isType(assigmentRr.Operands[1].Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (NullableType.IsNullable(assigmentRr.Operands[1].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
var indexerExpr = expression.Parent as IndexerExpression;
if (indexerExpr != null)
{
var index = indexerExpr.Arguments.ToList().IndexOf(expression);
if (index >= 0)
{
var invocationrr = block.Emitter.Resolver.ResolveNode(indexerExpr, block.Emitter) as InvocationResolveResult;
if (invocationrr != null)
{
var parameters = invocationrr.Member.Parameters;
if (parameters.Count <= index)
{
index = parameters.Count - 1;
}
if (isType(invocationrr.Member.Parameters.ElementAt(index).Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (NullableType.IsNullable(invocationrr.Member.Parameters.ElementAt(index).Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
}
}
var arrayInit = expression.Parent as ArrayInitializerExpression;
if (arrayInit != null)
{
while (arrayInit.Parent is ArrayInitializerExpression)
{
arrayInit = (ArrayInitializerExpression)arrayInit.Parent;
}
IType elementType = null;
var arrayCreate = arrayInit.Parent as ArrayCreateExpression;
if (arrayCreate != null)
{
var rrArrayType = block.Emitter.Resolver.ResolveNode(arrayCreate, block.Emitter);
if (rrArrayType.Type is TypeWithElementType)
{
elementType = ((TypeWithElementType)rrArrayType.Type).ElementType;
}
else
{
elementType = rrArrayType.Type;
}
}
else
{
var rrElemenet = block.Emitter.Resolver.ResolveNode(arrayInit.Parent, block.Emitter);
var pt = rrElemenet.Type as ParameterizedType;
if (pt != null && pt.TypeArguments.Count > 0)
{
if (pt.TypeArguments.Count == 1)
{
elementType = pt.TypeArguments.First();
}
else
{
var index = 0;
arrayInit = expression.Parent as ArrayInitializerExpression;
for (int i = 0; i < arrayInit.Elements.Count; i++)
{
if (expression == arrayInit.Elements.ElementAt(i))
{
index = i;
break;
}
}
elementType = index < pt.TypeArguments.Count ? pt.TypeArguments.ElementAt(index) : pt.TypeArguments.ElementAt(0);
}
}
else
{
var arrayType = rrElemenet.Type as TypeWithElementType;
if (arrayType != null)
{
elementType = arrayType.ElementType;
}
else
{
elementType = rrElemenet.Type;
}
}
}
if (elementType != null && isType(elementType, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (NullableType.IsNullable(elementType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
else if (Helpers.Is64Type(rr.Type, block.Emitter.Resolver) &&
Helpers.IsFloatType(elementType, block.Emitter.Resolver) &&
!Helpers.IsDecimalType(elementType, block.Emitter.Resolver) &&
isType(rr.Type, block.Emitter.Resolver))
{
block.Write(JS.Types.System.Int64.TONUMBER);
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
if (isType(expectedType, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver) && !(conversion.IsExplicit && conversion.IsNumericConversion))
{
var castExpr = expression.Parent as CastExpression;
ResolveResult castTypeRr = null;
if (castExpr != null)
{
castTypeRr = block.Emitter.Resolver.ResolveNode(castExpr.Type, block.Emitter);
}
/*if (castTypeRr == null || !isType(castTypeRr.Type, block.Emitter.Resolver))*/
if (castTypeRr == null || !conversion.IsExplicit)
{
if (expression.IsNull)
{
return(false);
}
block.Write(typeName);
if (NullableType.IsNullable(expectedType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write("." + JS.Funcs.Math.LIFT);
}
if (!ignoreConversionResolveResult && expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
block.WriteOpenParentheses();
return(true);
}
}
return(false);
}
protected virtual void EmitCastExpression(Expression expression, AstType type, string method)
{
var itype = this.Emitter.BridgeTypes.ToType(type);
bool isCastAttr;
string castCode = this.GetCastCode(expression, type, method, out isCastAttr);
var enumType = itype;
if (NullableType.IsNullable(enumType))
{
enumType = NullableType.GetUnderlyingType(enumType);
}
var castToEnum = enumType.Kind == TypeKind.Enum;
if (castToEnum)
{
itype = enumType.GetDefinition().EnumUnderlyingType;
var enumMode = Helpers.EnumEmitMode(enumType);
if (enumMode >= 3 && enumMode < 7)
{
itype = this.Emitter.Resolver.Compilation.FindType(KnownTypeCode.String);
}
}
if (expression is NullReferenceExpression || (method != CS.Ops.IS && Helpers.IsIgnoreCast(type, this.Emitter)) || this.IsExternalCast(itype))
{
if (expression is ParenthesizedExpression)
{
expression = ((ParenthesizedExpression)expression).Expression;
}
expression.AcceptVisitor(this.Emitter);
return;
}
var expressionrr = this.Emitter.Resolver.ResolveNode(expression, this.Emitter);
var typerr = this.Emitter.Resolver.ResolveNode(type, this.Emitter);
if (expressionrr.Type.Kind == TypeKind.Enum)
{
var enumMode = Helpers.EnumEmitMode(expressionrr.Type);
if (enumMode >= 3 && enumMode < 7 && Helpers.IsIntegerType(itype, this.Emitter.Resolver))
{
throw new EmitterException(this.CastExpression, "Enum underlying type is string and cannot be casted to number");
}
}
if (method == CS.Ops.CAST && expressionrr.Type.Kind != TypeKind.Enum)
{
var cast_rr = this.Emitter.Resolver.ResolveNode(this.CastExpression, this.Emitter);
if (cast_rr is ConstantResolveResult)
{
var expectedType = this.Emitter.Resolver.Resolver.GetExpectedType(this.CastExpression);
var value = ((ConstantResolveResult)cast_rr).ConstantValue;
this.WriteCastValue(value, expectedType);
return;
}
else
{
var conv_rr = cast_rr as ConversionResolveResult;
if (conv_rr != null && conv_rr.Input is ConstantResolveResult && !conv_rr.Conversion.IsUserDefined)
{
var expectedType = this.Emitter.Resolver.Resolver.GetExpectedType(this.CastExpression);
var value = ((ConstantResolveResult)conv_rr.Input).ConstantValue;
this.WriteCastValue(value, expectedType);
return;
}
}
}
if (method == CS.Ops.IS && castToEnum)
{
this.Write(JS.Types.Bridge.IS);
this.WriteOpenParentheses();
expression.AcceptVisitor(this.Emitter);
this.Write(", ");
this.Write(BridgeTypes.ToJsName(itype, this.Emitter));
this.Write(")");
return;
}
if (expressionrr.Type.Equals(itype))
{
if (method == CS.Ops.IS)
{
this.Write(JS.Funcs.BRIDGE_HASVALUE);
this.WriteOpenParentheses();
}
expression.AcceptVisitor(this.Emitter);
if (method == CS.Ops.IS)
{
this.Write(")");
}
return;
}
bool isResultNullable = NullableType.IsNullable(typerr.Type);
if (castCode != null)
{
this.EmitInlineCast(expressionrr, expression, type, castCode, isCastAttr, method);
return;
}
bool isCast = method == CS.Ops.CAST;
if (isCast)
{
if (ConversionBlock.IsUserDefinedConversion(this, this.CastExpression.Expression) || ConversionBlock.IsUserDefinedConversion(this, this.CastExpression))
{
expression.AcceptVisitor(this.Emitter);
return;
}
}
var conversion = this.Emitter.Resolver.Resolver.GetConversion(expression);
if (conversion.IsNumericConversion || conversion.IsEnumerationConversion || (isCast && conversion.IsIdentityConversion))
{
expression.AcceptVisitor(this.Emitter);
return;
}
var simpleType = type as SimpleType;
bool hasValue = false;
if (simpleType != null && simpleType.Identifier == "dynamic")
{
if (method == CS.Ops.CAST || method == CS.Ops.AS)
{
expression.AcceptVisitor(this.Emitter);
return;
}
else if (method == CS.Ops.IS)
{
hasValue = true;
method = "hasValue";
}
}
bool unbox = this.Emitter.Rules.Boxing == BoxingRule.Managed && !(itype.IsReferenceType.HasValue ? itype.IsReferenceType.Value : true) && !NullableType.IsNullable(itype) && isCast && conversion.IsUnboxingConversion;
if (unbox)
{
this.Write("System.Nullable.getValue(");
}
var typeDef = itype.Kind == TypeKind.TypeParameter ? null : this.Emitter.GetTypeDefinition(type, true);
if (typeDef != null && method == CS.Ops.IS && itype.Kind != TypeKind.Interface && this.Emitter.Validator.IsObjectLiteral(typeDef) && this.Emitter.Validator.GetObjectCreateMode(typeDef) == 0)
{
throw new EmitterException(type, $"ObjectLiteral type ({itype.FullName}) with Plain mode cannot be used in 'is' operator. Please define cast logic in Cast attribute or use Constructor mode.");
}
this.Write(JS.NS.BRIDGE);
this.WriteDot();
this.Write(method);
this.WriteOpenParentheses();
expression.AcceptVisitor(this.Emitter);
if (!hasValue)
{
this.WriteComma();
this.EmitCastType(itype);
}
if (isResultNullable && method != CS.Ops.IS)
{
this.WriteComma();
this.WriteScript(true);
}
this.WriteCloseParentheses();
if (unbox)
{
this.Write(")");
}
}
protected void VisitBinaryOperatorExpression()
{
BinaryOperatorExpression binaryOperatorExpression = this.BinaryOperatorExpression;
var resolveOperator = this.Emitter.Resolver.ResolveNode(binaryOperatorExpression, this.Emitter);
var expectedType = this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression);
bool isDecimalExpected = Helpers.IsDecimalType(expectedType, this.Emitter.Resolver);
bool isDecimal = Helpers.IsDecimalType(resolveOperator.Type, this.Emitter.Resolver);
bool isLongExpected = Helpers.Is64Type(expectedType, this.Emitter.Resolver);
bool isLong = Helpers.Is64Type(resolveOperator.Type, this.Emitter.Resolver);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
var leftResolverResult = this.Emitter.Resolver.ResolveNode(binaryOperatorExpression.Left, this.Emitter);
var rightResolverResult = this.Emitter.Resolver.ResolveNode(binaryOperatorExpression.Right, this.Emitter);
var charToString = -1;
string variable = null;
bool leftIsNull = this.BinaryOperatorExpression.Left is NullReferenceExpression;
bool rightIsNull = this.BinaryOperatorExpression.Right is NullReferenceExpression;
bool isUint = resolveOperator.Type.IsKnownType(KnownTypeCode.UInt16) ||
resolveOperator.Type.IsKnownType(KnownTypeCode.UInt32) ||
resolveOperator.Type.IsKnownType(KnownTypeCode.UInt64);
if ((leftIsNull || rightIsNull) && (binaryOperatorExpression.Operator == BinaryOperatorType.Equality || binaryOperatorExpression.Operator == BinaryOperatorType.InEquality))
{
if (binaryOperatorExpression.Operator == BinaryOperatorType.Equality)
{
this.Write("!");
}
this.Write("Bridge.hasValue");
this.WriteOpenParentheses();
if (leftIsNull)
{
binaryOperatorExpression.Right.AcceptVisitor(this.Emitter);
}
else
{
binaryOperatorExpression.Left.AcceptVisitor(this.Emitter);
}
this.WriteCloseParentheses();
return;
}
if (orr != null && orr.Type.IsKnownType(KnownTypeCode.String))
{
for (int i = 0; i < orr.Operands.Count; i++)
{
var crr = orr.Operands[i] as ConversionResolveResult;
if (crr != null && crr.Input.Type.IsKnownType(KnownTypeCode.Char))
{
charToString = i;
}
}
}
if (resolveOperator is ConstantResolveResult)
{
this.WriteScript(((ConstantResolveResult)resolveOperator).ConstantValue);
return;
}
if (!((expectedType.IsKnownType(KnownTypeCode.String) || resolveOperator.Type.IsKnownType(KnownTypeCode.String)) && binaryOperatorExpression.Operator == BinaryOperatorType.Add) && (Helpers.IsDecimalType(leftResolverResult.Type, this.Emitter.Resolver) || Helpers.IsDecimalType(rightResolverResult.Type, this.Emitter.Resolver)))
{
isDecimal = true;
isDecimalExpected = true;
}
if (isDecimal && isDecimalExpected && binaryOperatorExpression.Operator != BinaryOperatorType.NullCoalescing)
{
this.HandleDecimal(resolveOperator);
return;
}
var isFloatResult = Helpers.IsFloatType(resolveOperator.Type, this.Emitter.Resolver);
var leftExpected = this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Left);
var rightExpected = this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Right);
var isLeftLong = Helpers.Is64Type(leftExpected, this.Emitter.Resolver);
var isRightLong = Helpers.Is64Type(rightExpected, this.Emitter.Resolver);
if (!((expectedType.IsKnownType(KnownTypeCode.String) || resolveOperator.Type.IsKnownType(KnownTypeCode.String)) && binaryOperatorExpression.Operator == BinaryOperatorType.Add) && (isLeftLong || isRightLong))
{
isLong = true;
isLongExpected = true;
}
if (isLong && isLongExpected && binaryOperatorExpression.Operator != BinaryOperatorType.NullCoalescing)
{
if (!isFloatResult || binaryOperatorExpression.Operator == BinaryOperatorType.Divide && isLeftLong)
{
this.HandleLong(resolveOperator, isUint);
return;
}
}
var delegateOperator = false;
if (this.ResolveOperator(binaryOperatorExpression, orr))
{
return;
}
if (binaryOperatorExpression.Operator == BinaryOperatorType.Divide &&
!(this.Emitter.IsJavaScriptOverflowMode && !ConversionBlock.InsideOverflowContext(this.Emitter, binaryOperatorExpression)) &&
(
(Helpers.IsIntegerType(leftResolverResult.Type, this.Emitter.Resolver) &&
Helpers.IsIntegerType(rightResolverResult.Type, this.Emitter.Resolver)) ||
(Helpers.IsIntegerType(this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Left), this.Emitter.Resolver) &&
Helpers.IsIntegerType(this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Right), this.Emitter.Resolver))
))
{
this.Write("Bridge.Int.div(");
binaryOperatorExpression.Left.AcceptVisitor(this.Emitter);
this.Write(", ");
binaryOperatorExpression.Right.AcceptVisitor(this.Emitter);
this.Write(")");
return;
}
if (binaryOperatorExpression.Operator == BinaryOperatorType.Add ||
binaryOperatorExpression.Operator == BinaryOperatorType.Subtract)
{
var add = binaryOperatorExpression.Operator == BinaryOperatorType.Add;
if (this.Emitter.Validator.IsDelegateOrLambda(leftResolverResult) && this.Emitter.Validator.IsDelegateOrLambda(rightResolverResult))
{
delegateOperator = true;
this.Write(Bridge.Translator.Emitter.ROOT + "." + (add ? Bridge.Translator.Emitter.DELEGATE_COMBINE : Bridge.Translator.Emitter.DELEGATE_REMOVE));
this.WriteOpenParentheses();
}
}
bool nullable = orr != null && orr.IsLiftedOperator;
bool isCoalescing = binaryOperatorExpression.Operator == BinaryOperatorType.NullCoalescing;
string root = Bridge.Translator.Emitter.ROOT + ".Nullable.";
bool special = nullable;
bool rootSpecial = nullable;
bool isBool = NullableType.IsNullable(resolveOperator.Type) ? NullableType.GetUnderlyingType(resolveOperator.Type).IsKnownType(KnownTypeCode.Boolean) : resolveOperator.Type.IsKnownType(KnownTypeCode.Boolean);
bool toBool = isBool && !rootSpecial && !delegateOperator && (binaryOperatorExpression.Operator == BinaryOperatorType.BitwiseAnd || binaryOperatorExpression.Operator == BinaryOperatorType.BitwiseOr);
if (rootSpecial)
{
this.Write(root);
}
else
{
if (isCoalescing)
{
this.Write("(");
variable = this.GetTempVarName();
this.Write(variable);
this.Write(" = ");
}
else if (charToString == 0)
{
this.Write("String.fromCharCode(");
}
if (toBool)
{
this.Write("!!(");
}
binaryOperatorExpression.Left.AcceptVisitor(this.Emitter);
if (isCoalescing)
{
this.Write(", Bridge.hasValue(");
this.Write(variable);
this.Write(") ? ");
this.Write(variable);
}
else if (charToString == 0)
{
this.Write(")");
}
}
if (!delegateOperator)
{
if (!special)
{
this.WriteSpace();
}
switch (binaryOperatorExpression.Operator)
{
case BinaryOperatorType.Add:
this.Write(rootSpecial ? "add" : "+");
break;
case BinaryOperatorType.BitwiseAnd:
if (isBool)
{
this.Write(rootSpecial ? "and" : "&");
}
else
{
this.Write(rootSpecial ? "band" : "&");
}
break;
case BinaryOperatorType.BitwiseOr:
if (isBool)
{
this.Write(rootSpecial ? "or" : "|");
}
else
{
this.Write(rootSpecial ? "bor" : "|");
}
break;
case BinaryOperatorType.ConditionalAnd:
this.Write(rootSpecial ? "and" : "&&");
break;
case BinaryOperatorType.NullCoalescing:
this.Write(":");
break;
case BinaryOperatorType.ConditionalOr:
this.Write(rootSpecial ? "or" : "||");
break;
case BinaryOperatorType.Divide:
this.Write(rootSpecial ? "div" : "/");
break;
case BinaryOperatorType.Equality:
this.Write(rootSpecial ? "eq" : "===");
break;
case BinaryOperatorType.ExclusiveOr:
this.Write(rootSpecial ? "xor" : "^");
break;
case BinaryOperatorType.GreaterThan:
this.Write(rootSpecial ? "gt" : ">");
break;
case BinaryOperatorType.GreaterThanOrEqual:
this.Write(rootSpecial ? "gte" : ">=");
break;
case BinaryOperatorType.InEquality:
this.Write(rootSpecial ? "neq" : "!==");
break;
case BinaryOperatorType.LessThan:
this.Write(rootSpecial ? "lt" : "<");
break;
case BinaryOperatorType.LessThanOrEqual:
this.Write(rootSpecial ? "lte" : "<=");
break;
case BinaryOperatorType.Modulus:
this.Write(rootSpecial ? "mod" : "%");
break;
case BinaryOperatorType.Multiply:
this.Write(rootSpecial ? "mul" : "*");
break;
case BinaryOperatorType.ShiftLeft:
this.Write(rootSpecial ? "sl" : "<<");
break;
case BinaryOperatorType.ShiftRight:
if (isUint)
{
this.Write(rootSpecial ? "srr" : ">>>");
}
else
{
this.Write(rootSpecial ? "sr" : ">>");
}
break;
case BinaryOperatorType.Subtract:
this.Write(rootSpecial ? "sub" : "-");
break;
default:
throw new EmitterException(binaryOperatorExpression, "Unsupported binary operator: " + binaryOperatorExpression.Operator.ToString());
}
}
else
{
this.WriteComma();
}
if (special)
{
this.WriteOpenParentheses();
if (charToString == 0)
{
this.Write("String.fromCharCode(");
}
binaryOperatorExpression.Left.AcceptVisitor(this.Emitter);
if (charToString == 0)
{
this.Write(")");
}
this.WriteComma();
}
else
{
this.WriteSpace();
}
if (charToString == 1)
{
this.Write("String.fromCharCode(");
}
binaryOperatorExpression.Right.AcceptVisitor(this.Emitter);
if (toBool)
{
this.WriteCloseParentheses();
}
if (charToString == 1 || isCoalescing)
{
this.WriteCloseParentheses();
}
if (delegateOperator || special)
{
this.WriteCloseParentheses();
}
}
public static int CheckConversion(ConversionBlock block, Expression expression)
{
try
{
var rr = block.Emitter.Resolver.ResolveNode(expression, block.Emitter);
var conversion = block.Emitter.Resolver.Resolver.GetConversion(expression);
var expectedType = block.Emitter.Resolver.Resolver.GetExpectedType(expression);
var level = ConversionBlock.CheckDecimalConversion(block, expression, rr, expectedType, conversion) ? 1 : 0;
if (Helpers.IsDecimalType(expectedType, block.Emitter.Resolver) && !conversion.IsUserDefined)
{
return level;
}
if (conversion == null)
{
return level;
}
if (conversion.IsIdentityConversion)
{
return level;
}
var isNumLifted = conversion.IsImplicit && conversion.IsLifted && conversion.IsNumericConversion && !(expression is BinaryOperatorExpression);
if (isNumLifted && !conversion.IsUserDefined)
{
return level;
}
bool isLifted = conversion.IsLifted && !isNumLifted && !(block is CastBlock) && !Helpers.IsDecimalType(expectedType, block.Emitter.Resolver);
if (isLifted)
{
level++;
block.Write("Bridge.Nullable.lift(");
}
if (conversion.IsUserDefined)
{
var method = conversion.Method;
string inline = block.Emitter.GetInline(method);
if (conversion.IsExplicit && !string.IsNullOrWhiteSpace(inline))
{
// Still returns true if Nullable.lift( was written.
return level;
}
if (!string.IsNullOrWhiteSpace(inline))
{
if (expression is InvocationExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is ObjectCreateExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is UnaryOperatorExpression)
{
var unaryExpression = (UnaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(unaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, unaryExpression, orr, method), inline).Emit();
}
else if (expression is BinaryOperatorExpression)
{
var binaryExpression = (BinaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(binaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, binaryExpression, orr, method), inline).Emit();
}
else
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, expression), inline).Emit();
}
block.DisableEmitConversionExpression = true;
// Still returns true if Nullable.lift( was written.
return level;
}
else
{
if (method.DeclaringTypeDefinition != null && block.Emitter.Validator.IsIgnoreType(method.DeclaringTypeDefinition))
{
// Still returns true if Nullable.lift( was written.
return level;
}
block.Write(BridgeTypes.ToJsName(method.DeclaringType, block.Emitter));
block.WriteDot();
block.Write(OverloadsCollection.Create(block.Emitter, method).GetOverloadName());
}
if (isLifted)
{
block.WriteComma();
}
else
{
block.WriteOpenParentheses();
level++;
}
var arg = method.Parameters[0];
if (Helpers.IsDecimalType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver) && !expression.IsNull)
{
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
level++;
}
return level;
}
// Still returns true if Nullable.lift( was written.
return level;
}
catch
{
}
return 0;
}
private void AddOveflowFlag(KnownTypeCode typeCode, string op_name)
{
if ((typeCode == KnownTypeCode.Int64 || typeCode == KnownTypeCode.UInt64) && ConversionBlock.IsInCheckedContext(this.Emitter, this.BinaryOperatorExpression))
{
if (op_name == "add" || op_name == "sub" || op_name == "mul")
{
this.Write(", 1");
}
}
}
public static bool CheckConversion(ConversionBlock block, Expression expression)
{
Conversion conversion = null;
try
{
var rr = block.Emitter.Resolver.ResolveNode(expression, block.Emitter);
conversion = block.Emitter.Resolver.Resolver.GetConversion(expression);
var expectedType = block.Emitter.Resolver.Resolver.GetExpectedType(expression);
var invocationExpression = expression.Parent as InvocationExpression;
if (invocationExpression != null && invocationExpression.Arguments.Any(a => a == expression))
{
var index = invocationExpression.Arguments.ToList().IndexOf(expression);
var methodResolveResult = block.Emitter.Resolver.ResolveNode(invocationExpression, block.Emitter) as MemberResolveResult;
var m = methodResolveResult.Member as IMethod;
var arg = m.Parameters[index < m.Parameters.Count ? index : (m.Parameters.Count - 1)];
if (Helpers.IsDecimalType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var namedArgExpression = expression.Parent as NamedArgumentExpression;
if (namedArgExpression != null)
{
var namedArgResolveResult = block.Emitter.Resolver.ResolveNode(namedArgExpression, block.Emitter) as NamedArgumentResolveResult;
if (Helpers.IsDecimalType(namedArgResolveResult.Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(namedArgResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var namedExpression = expression.Parent as NamedExpression;
if (namedExpression != null)
{
var namedResolveResult = block.Emitter.Resolver.ResolveNode(namedExpression, block.Emitter);
if (Helpers.IsDecimalType(namedResolveResult.Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(namedResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var binaryOpExpr = expression.Parent as BinaryOperatorExpression;
if (binaryOpExpr != null)
{
var idx = binaryOpExpr.Left == expression ? 0 : 1;
var binaryOpRr = block.Emitter.Resolver.ResolveNode(binaryOpExpr, block.Emitter) as OperatorResolveResult;
if (Helpers.IsDecimalType(binaryOpRr.Operands[idx].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(binaryOpRr.Operands[idx].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var assignmentExpr = expression.Parent as AssignmentExpression;
if (assignmentExpr != null)
{
var assigmentRr = block.Emitter.Resolver.ResolveNode(assignmentExpr, block.Emitter) as OperatorResolveResult;
if (Helpers.IsDecimalType(assigmentRr.Operands[1].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(assigmentRr.Operands[1].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var arrayInit = expression.Parent as ArrayInitializerExpression;
if (arrayInit != null)
{
while (arrayInit.Parent is ArrayInitializerExpression)
{
arrayInit = (ArrayInitializerExpression)arrayInit.Parent;
}
IType elementType = null;
var arrayCreate = arrayInit.Parent as ArrayCreateExpression;
if (arrayCreate != null)
{
var rrArrayType = block.Emitter.Resolver.ResolveNode(arrayCreate, block.Emitter);
if (rrArrayType.Type is TypeWithElementType)
{
elementType = ((TypeWithElementType)rrArrayType.Type).ElementType;
}
else
{
elementType = rrArrayType.Type;
}
}
else
{
var rrElemenet = block.Emitter.Resolver.ResolveNode(arrayInit.Parent, block.Emitter);
var pt = rrElemenet.Type as ParameterizedType;
if (pt != null)
{
elementType = pt.TypeArguments.Count > 0 ? pt.TypeArguments.First() : null;
}
else
{
var arrayType = rrElemenet.Type as TypeWithElementType;
if (arrayType != null)
{
elementType = arrayType.ElementType;
}
else
{
elementType = rrElemenet.Type;
}
}
}
if (elementType != null && Helpers.IsDecimalType(elementType, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(elementType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
if (Helpers.IsDecimalType(expectedType, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
var castExpr = expression.Parent as CastExpression;
ResolveResult castTypeRr = null;
if (castExpr != null)
{
castTypeRr = block.Emitter.Resolver.ResolveNode(castExpr.Type, block.Emitter);
}
if (castTypeRr == null || !Helpers.IsDecimalType(castTypeRr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(expectedType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
if (Helpers.IsDecimalType(expectedType, block.Emitter.Resolver))
{
return false;
}
if (conversion == null)
{
return false;
}
if (conversion.IsIdentityConversion)
{
return false;
}
var isNumLifted = conversion.IsImplicit && conversion.IsLifted && conversion.IsNumericConversion && !(expression is BinaryOperatorExpression);
if (isNumLifted && !conversion.IsUserDefined)
{
return false;
}
bool isLifted = conversion.IsLifted && !isNumLifted && !(block is CastBlock);
if (isLifted)
{
block.Write("Bridge.Nullable.lift(");
}
if (conversion.IsUserDefined)
{
var method = conversion.Method;
string inline = block.Emitter.GetInline(method);
if (conversion.IsExplicit && !string.IsNullOrWhiteSpace(inline))
{
// Still returns true if Nullable.lift( was written.
return isLifted;
}
if (!string.IsNullOrWhiteSpace(inline))
{
if (expression is InvocationExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is ObjectCreateExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is UnaryOperatorExpression)
{
var unaryExpression = (UnaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(unaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, unaryExpression, orr, method), inline).Emit();
}
else if (expression is BinaryOperatorExpression)
{
var binaryExpression = (BinaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(binaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, binaryExpression, orr, method), inline).Emit();
}
else
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, expression), inline).Emit();
}
block.DisableEmitConversionExpression = true;
// Still returns true if Nullable.lift( was written.
return isLifted;
}
else
{
if (method.DeclaringTypeDefinition != null && block.Emitter.Validator.IsIgnoreType(method.DeclaringTypeDefinition))
{
// Still returns true if Nullable.lift( was written.
return isLifted;
}
block.Write(BridgeTypes.ToJsName(method.DeclaringType, block.Emitter));
block.WriteDot();
block.Write(OverloadsCollection.Create(block.Emitter, method).GetOverloadName());
}
if (isLifted)
{
block.WriteComma();
}
else
{
block.WriteOpenParentheses();
}
return true;
}
// Still returns true if Nullable.lift( was written.
return isLifted;
}
catch
{
}
return false;
}
public static bool CheckConversion(ConversionBlock block, Expression expression)
{
Conversion conversion = null;
try
{
var rr = block.Emitter.Resolver.ResolveNode(expression, block.Emitter);
conversion = block.Emitter.Resolver.Resolver.GetConversion(expression);
if (conversion == null)
{
return(false);
}
if (conversion.IsIdentityConversion)
{
return(false);
}
if (conversion.IsLifted)
{
block.Write("Bridge.Nullable.lift(");
}
if (conversion.IsUserDefined)
{
var method = conversion.Method;
string inline = block.Emitter.GetInline(method);
if (conversion.IsExplicit && !string.IsNullOrWhiteSpace(inline))
{
return(false);
}
if (!string.IsNullOrWhiteSpace(inline))
{
if (expression is InvocationExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is ObjectCreateExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is UnaryOperatorExpression)
{
var unaryExpression = (UnaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(unaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, unaryExpression, orr), inline).Emit();
}
else if (expression is BinaryOperatorExpression)
{
var binaryExpression = (BinaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(binaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, binaryExpression, orr), inline).Emit();
}
else
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, expression), inline).Emit();
}
block.DisableEmitConversionExpression = true;
return(false);
}
else
{
if (method.DeclaringTypeDefinition != null && block.Emitter.Validator.IsIgnoreType(method.DeclaringTypeDefinition))
{
return(false);
}
block.Write(block.Emitter.ShortenTypeName(Helpers.GetScriptFullName(method.DeclaringType)));
block.WriteDot();
block.Write(OverloadsCollection.Create(block.Emitter, method).GetOverloadName());
}
if (conversion.IsLifted)
{
block.WriteComma();
}
else
{
block.WriteOpenParentheses();
}
return(true);
}
else if (conversion.IsNumericConversion)
{
}
}
catch
{
}
return(false);
}
private void AddOveflowFlag(KnownTypeCode typeCode, string op_name, bool lifted)
{
if ((typeCode == KnownTypeCode.Int64 || typeCode == KnownTypeCode.UInt64) && ConversionBlock.IsInCheckedContext(this.Emitter, this.UnaryOperatorExpression))
{
if (op_name == JS.Funcs.Math.NEG || op_name == JS.Funcs.Math.DEC || op_name == JS.Funcs.Math.INC)
{
if (lifted)
{
this.Write(", ");
}
this.Write("1");
}
}
}
public static bool CheckConversion(ConversionBlock block, Expression expression)
{
Conversion conversion = null;
try
{
var rr = block.Emitter.Resolver.ResolveNode(expression, block.Emitter);
conversion = block.Emitter.Resolver.Resolver.GetConversion(expression);
var expectedType = block.Emitter.Resolver.Resolver.GetExpectedType(expression);
var invocationExpression = expression.Parent as InvocationExpression;
if (invocationExpression != null && invocationExpression.Arguments.Any(a => a == expression))
{
var index = invocationExpression.Arguments.ToList().IndexOf(expression);
var methodResolveResult = block.Emitter.Resolver.ResolveNode(invocationExpression, block.Emitter) as MemberResolveResult;
if (methodResolveResult != null)
{
var m = methodResolveResult.Member as IMethod;
var arg = m.Parameters[index < m.Parameters.Count ? index : (m.Parameters.Count - 1)];
if (Helpers.IsDecimalType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
}
var namedArgExpression = expression.Parent as NamedArgumentExpression;
if (namedArgExpression != null)
{
var namedArgResolveResult = block.Emitter.Resolver.ResolveNode(namedArgExpression, block.Emitter) as NamedArgumentResolveResult;
if (Helpers.IsDecimalType(namedArgResolveResult.Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(namedArgResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var namedExpression = expression.Parent as NamedExpression;
if (namedExpression != null)
{
var namedResolveResult = block.Emitter.Resolver.ResolveNode(namedExpression, block.Emitter);
if (Helpers.IsDecimalType(namedResolveResult.Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(namedResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var binaryOpExpr = expression.Parent as BinaryOperatorExpression;
if (binaryOpExpr != null)
{
var idx = binaryOpExpr.Left == expression ? 0 : 1;
var binaryOpRr = block.Emitter.Resolver.ResolveNode(binaryOpExpr, block.Emitter) as OperatorResolveResult;
if (binaryOpRr != null && Helpers.IsDecimalType(binaryOpRr.Operands[idx].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(binaryOpRr.Operands[idx].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var conditionalExpr = expression.Parent as ConditionalExpression;
if (conditionalExpr != null && conditionalExpr.Condition != expression)
{
var idx = conditionalExpr.TrueExpression == expression ? 0 : 1;
var conditionalrr = block.Emitter.Resolver.ResolveNode(conditionalExpr, block.Emitter) as OperatorResolveResult;
if (conditionalrr != null && Helpers.IsDecimalType(conditionalrr.Operands[idx].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(conditionalrr.Operands[idx].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var assignmentExpr = expression.Parent as AssignmentExpression;
if (assignmentExpr != null)
{
var assigmentRr = block.Emitter.Resolver.ResolveNode(assignmentExpr, block.Emitter) as OperatorResolveResult;
if (Helpers.IsDecimalType(assigmentRr.Operands[1].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(assigmentRr.Operands[1].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var arrayInit = expression.Parent as ArrayInitializerExpression;
if (arrayInit != null)
{
while (arrayInit.Parent is ArrayInitializerExpression)
{
arrayInit = (ArrayInitializerExpression)arrayInit.Parent;
}
IType elementType = null;
var arrayCreate = arrayInit.Parent as ArrayCreateExpression;
if (arrayCreate != null)
{
var rrArrayType = block.Emitter.Resolver.ResolveNode(arrayCreate, block.Emitter);
if (rrArrayType.Type is TypeWithElementType)
{
elementType = ((TypeWithElementType)rrArrayType.Type).ElementType;
}
else
{
elementType = rrArrayType.Type;
}
}
else
{
var rrElemenet = block.Emitter.Resolver.ResolveNode(arrayInit.Parent, block.Emitter);
var pt = rrElemenet.Type as ParameterizedType;
if (pt != null)
{
elementType = pt.TypeArguments.Count > 0 ? pt.TypeArguments.First() : null;
}
else
{
var arrayType = rrElemenet.Type as TypeWithElementType;
if (arrayType != null)
{
elementType = arrayType.ElementType;
}
else
{
elementType = rrElemenet.Type;
}
}
}
if (elementType != null && Helpers.IsDecimalType(elementType, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(elementType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
if (Helpers.IsDecimalType(expectedType, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
var castExpr = expression.Parent as CastExpression;
ResolveResult castTypeRr = null;
if (castExpr != null)
{
castTypeRr = block.Emitter.Resolver.ResolveNode(castExpr.Type, block.Emitter);
}
if (castTypeRr == null || !Helpers.IsDecimalType(castTypeRr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(expectedType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
if (Helpers.IsDecimalType(expectedType, block.Emitter.Resolver))
{
return(false);
}
if (conversion == null)
{
return(false);
}
if (conversion.IsIdentityConversion)
{
return(false);
}
var isNumLifted = conversion.IsImplicit && conversion.IsLifted && conversion.IsNumericConversion && !(expression is BinaryOperatorExpression);
if (isNumLifted && !conversion.IsUserDefined)
{
return(false);
}
bool isLifted = conversion.IsLifted && !isNumLifted && !(block is CastBlock);
if (isLifted)
{
block.Write("Bridge.Nullable.lift(");
}
if (conversion.IsUserDefined)
{
var method = conversion.Method;
string inline = block.Emitter.GetInline(method);
if (conversion.IsExplicit && !string.IsNullOrWhiteSpace(inline))
{
// Still returns true if Nullable.lift( was written.
return(isLifted);
}
if (!string.IsNullOrWhiteSpace(inline))
{
if (expression is InvocationExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is ObjectCreateExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is UnaryOperatorExpression)
{
var unaryExpression = (UnaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(unaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, unaryExpression, orr, method), inline).Emit();
}
else if (expression is BinaryOperatorExpression)
{
var binaryExpression = (BinaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(binaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, binaryExpression, orr, method), inline).Emit();
}
else
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, expression), inline).Emit();
}
block.DisableEmitConversionExpression = true;
// Still returns true if Nullable.lift( was written.
return(isLifted);
}
else
{
if (method.DeclaringTypeDefinition != null && block.Emitter.Validator.IsIgnoreType(method.DeclaringTypeDefinition))
{
// Still returns true if Nullable.lift( was written.
return(isLifted);
}
block.Write(BridgeTypes.ToJsName(method.DeclaringType, block.Emitter));
block.WriteDot();
block.Write(OverloadsCollection.Create(block.Emitter, method).GetOverloadName());
}
if (isLifted)
{
block.WriteComma();
}
else
{
block.WriteOpenParentheses();
}
return(true);
}
// Still returns true if Nullable.lift( was written.
return(isLifted);
}
catch
{
}
return(false);
}
private static void CheckNumericConversion(ConversionBlock block, Expression expression, ResolveResult rr, IType expectedType, Conversion conversion)
{
var fromType = rr.Type;
var toType = expectedType;
if (fromType.Kind == TypeKind.Enum)
{
fromType = fromType.GetDefinition().EnumUnderlyingType;
}
if (toType.Kind == TypeKind.Enum)
{
toType = toType.GetDefinition().EnumUnderlyingType;
}
bool isArrayIndex = false;
if (Helpers.Is64Type(toType, block.Emitter.Resolver) && expression.Parent is IndexerExpression &&
((IndexerExpression)expression.Parent).Arguments.Contains(expression))
{
var memberResolveResult = rr as MemberResolveResult;
var isIgnore = true;
var isAccessorsIndexer = false;
IProperty member = null;
IndexerAccessor current = null;
if (memberResolveResult == null)
{
memberResolveResult = block.Emitter.Resolver.ResolveNode(expression.Parent, block.Emitter) as MemberResolveResult;
}
if (memberResolveResult != null)
{
var resolvedMember = memberResolveResult.Member;
isIgnore = block.Emitter.Validator.IsExternalType(resolvedMember.DeclaringTypeDefinition);
isAccessorsIndexer = block.Emitter.Validator.IsAccessorsIndexer(resolvedMember);
var property = resolvedMember as IProperty;
if (property != null)
{
member = property;
current = IndexerBlock.GetIndexerAccessor(block.Emitter, member, block.Emitter.IsAssignment);
}
}
if (!(current != null && current.InlineAttr != null) && !(!(isIgnore || (current != null && current.IgnoreAccessor)) || isAccessorsIndexer))
{
block.Write(JS.Types.System.Int64.TONUMBER);
block.Write("(");
isArrayIndex = true;
}
}
if ((conversion.IsNumericConversion || conversion.IsEnumerationConversion) && conversion.IsExplicit)
{
if (!(expression.Parent is ArrayInitializerExpression) &&
Helpers.Is64Type(fromType, block.Emitter.Resolver) &&
Helpers.IsFloatType(toType, block.Emitter.Resolver) &&
!Helpers.IsDecimalType(toType, block.Emitter.Resolver))
{
var be = expression.Parent as BinaryOperatorExpression;
if (be == null || be.Operator != BinaryOperatorType.Divide || be.Left != expression)
{
block.Write(JS.Types.System.Int64.TONUMBER);
if (!(expression is CastExpression && ((CastExpression)expression).Expression is ParenthesizedExpression))
{
block.Write("(");
block.AfterOutput += ")";
}
}
}
else if (Helpers.IsDecimalType(toType, block.Emitter.Resolver) && !Helpers.IsDecimalType(fromType, block.Emitter.Resolver))
{
block.Write(JS.Types.SYSTEM_DECIMAL + "(");
block.AfterOutput += ", null, " + BridgeTypes.ToJsName(fromType, block.Emitter) + ")";
}
else if (Helpers.IsDecimalType(fromType, block.Emitter.Resolver))
{
ClipDecimal(expression, block, toType);
}
else if (Helpers.Is64Type(fromType, block.Emitter.Resolver))
{
CheckLong(block, expression, toType, fromType, IsInCheckedContext(block.Emitter, expression));
}
else if (Helpers.IsFloatType(fromType, block.Emitter.Resolver) && Helpers.IsIntegerType(toType, block.Emitter.Resolver))
{
FloatToInt(block, expression, fromType, toType, IsInCheckedContext(block.Emitter, expression));
}
else if (NeedsNarrowingNumericConversion(fromType, toType))
{
if (IsInCheckedContext(block.Emitter, expression))
{
CheckInteger(block, expression, toType);
}
else
{
ClipInteger(block, expression, toType, true);
}
}
}
else if (conversion.IsNumericConversion && conversion.IsImplicit && !(expression.Parent is ArrayInitializerExpression) &&
Helpers.Is64Type(fromType, block.Emitter.Resolver) &&
Helpers.IsFloatType(toType, block.Emitter.Resolver) &&
!Helpers.IsDecimalType(toType, block.Emitter.Resolver))
{
var be = expression.Parent as BinaryOperatorExpression;
if (be == null || be.Operator != BinaryOperatorType.Divide || be.Left != expression)
{
block.Write(JS.Types.System.Int64.TONUMBER);
if (!(expression is CastExpression && ((CastExpression)expression).Expression is ParenthesizedExpression))
{
block.Write("(");
block.AfterOutput += ")";
}
}
}
else if (((!Helpers.Is64Type(toType, block.Emitter.Resolver) && Helpers.IsIntegerType(toType, block.Emitter.Resolver)) ||
(rr is OperatorResolveResult && !Helpers.Is64Type(fromType, block.Emitter.Resolver) && Helpers.IsIntegerType(fromType, block.Emitter.Resolver))) &&
(expression is BinaryOperatorExpression || expression is UnaryOperatorExpression || expression.Parent is AssignmentExpression) &&
IsInCheckedContext(block.Emitter, expression))
{
var needCheck = false;
var be = expression as BinaryOperatorExpression;
bool isBitwiseOperator = be != null && (be.Operator == BinaryOperatorType.ShiftLeft || be.Operator == BinaryOperatorType.ShiftRight || be.Operator == BinaryOperatorType.BitwiseAnd || be.Operator == BinaryOperatorType.BitwiseOr || be.Operator == BinaryOperatorType.ExclusiveOr);
if ((Helpers.IsKnownType(KnownTypeCode.Int32, toType, block.Emitter.Resolver) && isBitwiseOperator) || (Helpers.IsKnownType(KnownTypeCode.UInt32, toType, block.Emitter.Resolver) && be != null && be.Operator == BinaryOperatorType.ShiftRight))
{
// Don't need to check even in checked context and don't need to clip
}
else if (be != null && (be.Operator == BinaryOperatorType.Add ||
be.Operator == BinaryOperatorType.Divide ||
be.Operator == BinaryOperatorType.Multiply ||
isBitwiseOperator ||
be.Operator == BinaryOperatorType.Subtract))
{
if (isBitwiseOperator)
{
ClipInteger(block, expression, toType, false);
}
else
{
needCheck = true;
}
}
else
{
var ue = expression as UnaryOperatorExpression;
if (ue != null && (ue.Operator == UnaryOperatorType.Minus ||
ue.Operator == UnaryOperatorType.Increment ||
ue.Operator == UnaryOperatorType.Decrement ||
ue.Operator == UnaryOperatorType.PostIncrement ||
ue.Operator == UnaryOperatorType.PostDecrement))
{
needCheck = true;
}
else
{
var ae = expression.Parent as AssignmentExpression;
isBitwiseOperator = ae != null && (ae.Operator == AssignmentOperatorType.ShiftRight || ae.Operator == AssignmentOperatorType.ShiftLeft || ae.Operator == AssignmentOperatorType.BitwiseAnd || ae.Operator == AssignmentOperatorType.BitwiseOr || ae.Operator == AssignmentOperatorType.ExclusiveOr);
if ((isBitwiseOperator && Helpers.IsKnownType(KnownTypeCode.Int32, toType, block.Emitter.Resolver)) ||
(ae != null && ae.Operator == AssignmentOperatorType.ShiftRight && Helpers.IsKnownType(KnownTypeCode.UInt32, toType, block.Emitter.Resolver)))
{
// Don't need to check even in checked context and don't need to clip
}
else if (ae != null && (isBitwiseOperator || ae.Operator == AssignmentOperatorType.Add ||
ae.Operator == AssignmentOperatorType.Divide ||
ae.Operator == AssignmentOperatorType.Multiply ||
ae.Operator == AssignmentOperatorType.Subtract))
{
if (isBitwiseOperator)
{
ClipInteger(block, expression, toType, false);
}
else
{
needCheck = true;
}
}
}
}
if (!Helpers.IsIntegerType(toType, block.Emitter.Resolver))
{
if (rr is OperatorResolveResult)
{
toType = fromType;
}
}
if (needCheck)
{
CheckInteger(block, expression, toType);
}
}
else if (((!Helpers.Is64Type(toType, block.Emitter.Resolver) && Helpers.IsIntegerType(toType, block.Emitter.Resolver)) ||
(rr is OperatorResolveResult && !Helpers.Is64Type(fromType, block.Emitter.Resolver) && Helpers.IsIntegerType(fromType, block.Emitter.Resolver))) &&
(expression is BinaryOperatorExpression || expression is UnaryOperatorExpression || expression.Parent is AssignmentExpression) &&
IsInUncheckedContext(block.Emitter, expression))
{
if (ConversionBlock.IsLongConversion(block, expression, rr, toType, conversion) || rr is ConstantResolveResult)
{
return;
}
if (!Helpers.IsIntegerType(toType, block.Emitter.Resolver))
{
if (rr is OperatorResolveResult)
{
toType = fromType;
}
}
var needCheck = false;
var be = expression as BinaryOperatorExpression;
bool isBitwiseOperator = be != null && (be.Operator == BinaryOperatorType.ShiftLeft || be.Operator == BinaryOperatorType.ShiftRight || be.Operator == BinaryOperatorType.BitwiseAnd || be.Operator == BinaryOperatorType.BitwiseOr || be.Operator == BinaryOperatorType.ExclusiveOr);
if ((Helpers.IsKnownType(KnownTypeCode.Int32, toType, block.Emitter.Resolver) && isBitwiseOperator) || (Helpers.IsKnownType(KnownTypeCode.UInt32, toType, block.Emitter.Resolver) && be != null && be.Operator == BinaryOperatorType.ShiftRight))
{
// Don't need to check even in checked context and don't need to clip
}
else if (be != null && !(be.Left is PrimitiveExpression && be.Right is PrimitiveExpression) && (be.Operator == BinaryOperatorType.Add ||
be.Operator == BinaryOperatorType.Divide ||
be.Operator == BinaryOperatorType.Multiply ||
isBitwiseOperator ||
be.Operator == BinaryOperatorType.Subtract))
{
needCheck = true;
}
else
{
var ue = expression as UnaryOperatorExpression;
if (ue != null && !(ue.Expression is PrimitiveExpression) && (ue.Operator == UnaryOperatorType.Minus ||
ue.Operator == UnaryOperatorType.Increment ||
ue.Operator == UnaryOperatorType.Decrement ||
ue.Operator == UnaryOperatorType.PostIncrement ||
ue.Operator == UnaryOperatorType.PostDecrement))
{
needCheck = true;
}
else
{
var ae = expression.Parent as AssignmentExpression;
isBitwiseOperator = ae != null && (ae.Operator == AssignmentOperatorType.ShiftRight || ae.Operator == AssignmentOperatorType.ShiftLeft || ae.Operator == AssignmentOperatorType.BitwiseAnd || ae.Operator == AssignmentOperatorType.BitwiseOr || ae.Operator == AssignmentOperatorType.ExclusiveOr);
if ((isBitwiseOperator && Helpers.IsKnownType(KnownTypeCode.Int32, toType, block.Emitter.Resolver)) ||
(ae != null && ae.Operator == AssignmentOperatorType.ShiftRight && Helpers.IsKnownType(KnownTypeCode.UInt32, toType, block.Emitter.Resolver)))
{
// Don't need to check even in checked context and don't need to clip
}
else if (ae != null && (isBitwiseOperator || ae.Operator == AssignmentOperatorType.Add ||
ae.Operator == AssignmentOperatorType.Divide ||
ae.Operator == AssignmentOperatorType.Multiply ||
ae.Operator == AssignmentOperatorType.Subtract))
{
needCheck = true;
}
}
}
if (needCheck)
{
ClipInteger(block, expression, toType, false);
}
}
if (isArrayIndex)
{
block.AfterOutput += ")";
}
}
private static bool CheckDecimalConversion(ConversionBlock block, Expression expression, ResolveResult rr, IType expectedType, Conversion conversion)
{
return(CheckTypeConversion(block, expression, rr, expectedType, conversion, "Bridge.Decimal", Helpers.IsDecimalType));
}
private static void NarrowingNumericOrEnumerationConversion(ConversionBlock block, Expression expression, IType targetType, bool fromFloatingPoint, bool isChecked, bool isNullable, bool isExplicit = true)
{
if (block.Emitter.IsJavaScriptOverflowMode && !InsideOverflowContext(block.Emitter, expression))
{
return;
}
if (isChecked)
{
block.Write(JS.Types.BRIDGE_INT + ".check(");
if (fromFloatingPoint)
{
block.Write(JS.Types.BRIDGE_INT + ".trunc");
block.WriteOpenParentheses();
}
//expression.AcceptVisitor(block.Emitter);
if (fromFloatingPoint)
{
block.AfterOutput += ")";
}
block.AfterOutput += ", ";
block.AfterOutput += BridgeTypes.ToJsName(targetType, block.Emitter);
block.AfterOutput += ")";
}
else
{
if (isNullable || fromFloatingPoint)
{
targetType = NullableType.IsNullable(targetType) ? NullableType.GetUnderlyingType(targetType) : targetType;
string action = null;
if (targetType.IsKnownType(KnownTypeCode.Char))
{
action = "clipu16";
}
else if (targetType.IsKnownType(KnownTypeCode.SByte))
{
action = "clip8";
}
else if (targetType.IsKnownType(KnownTypeCode.Byte))
{
action = "clipu8";
}
else if (targetType.IsKnownType(KnownTypeCode.Int16))
{
action = "clip16";
}
else if (targetType.IsKnownType(KnownTypeCode.UInt16))
{
action = "clipu16";
}
else if (targetType.IsKnownType(KnownTypeCode.Int32))
{
action = "clip32";
}
else if (targetType.IsKnownType(KnownTypeCode.UInt32))
{
action = "clipu32";
}
else if (targetType.IsKnownType(KnownTypeCode.Int64))
{
action = "clip64";
}
else if (targetType.IsKnownType(KnownTypeCode.UInt64))
{
action = "clipu64";
}
else
{
throw new ArgumentException("Can not narrow to " + targetType, "targetType");
}
block.Write(JS.Types.BRIDGE_INT + ".");
block.Write(action);
if (!(expression is CastExpression && ((CastExpression)expression).Expression is ParenthesizedExpression))
{
block.Write("(");
block.AfterOutput += ")";
}
}
else
{
var skipOuterWrap = (expression.Parent is VariableInitializer) ||
(expression.Parent is AssignmentExpression) ||
targetType.IsKnownType(KnownTypeCode.Int64) ||
targetType.IsKnownType(KnownTypeCode.UInt64) ||
targetType.IsKnownType(KnownTypeCode.Int16) ||
targetType.IsKnownType(KnownTypeCode.SByte);
bool skipInnerWrap = false;
var rr = block.Emitter.Resolver.ResolveNode(expression is CastExpression ? ((CastExpression)expression).Expression : expression, block.Emitter);
var memberTargetrr = rr as MemberResolveResult;
bool isField = memberTargetrr != null && memberTargetrr.Member is IField &&
(memberTargetrr.TargetResult is ThisResolveResult ||
memberTargetrr.TargetResult is LocalResolveResult);
if (rr is ThisResolveResult || rr is LocalResolveResult || rr is ConstantResolveResult || isField)
{
skipInnerWrap = true;
}
if (!skipOuterWrap)
{
block.WriteOpenParentheses();
}
if (targetType.IsKnownType(KnownTypeCode.Char))
{
if (!skipInnerWrap)
{
block.WriteOpenParentheses();
block.AfterOutput += ")";
}
block.AfterOutput += " & 65535";
}
else if (targetType.IsKnownType(KnownTypeCode.SByte))
{
block.Write(JS.Types.BRIDGE_INT + ".sxb(");
if (!skipInnerWrap)
{
block.WriteOpenParentheses();
block.AfterOutput += ")";
}
block.AfterOutput += " & 255)";
}
else if (targetType.IsKnownType(KnownTypeCode.Byte))
{
if (!skipInnerWrap)
{
block.WriteOpenParentheses();
block.AfterOutput += ")";
}
block.AfterOutput += " & 255";
}
else if (targetType.IsKnownType(KnownTypeCode.Int16))
{
block.Write(JS.Types.BRIDGE_INT + ".sxs(");
if (!skipInnerWrap)
{
block.WriteOpenParentheses();
block.AfterOutput += ")";
}
block.AfterOutput += " & 65535)";
}
else if (targetType.IsKnownType(KnownTypeCode.UInt16))
{
if (!skipInnerWrap)
{
block.WriteOpenParentheses();
block.AfterOutput += ")";
}
block.AfterOutput += " & 65535";
}
else if (targetType.IsKnownType(KnownTypeCode.Int32))
{
if (!skipInnerWrap)
{
block.WriteOpenParentheses();
block.AfterOutput += ")";
}
block.AfterOutput += " | 0";
}
else if (targetType.IsKnownType(KnownTypeCode.UInt32))
{
if (!skipInnerWrap)
{
block.WriteOpenParentheses();
block.AfterOutput += ")";
}
block.AfterOutput += " >>> 0";
}
else if (targetType.IsKnownType(KnownTypeCode.Int64))
{
block.Write(JS.Types.BRIDGE_INT + ".clip64(");
block.AfterOutput += ")";
}
else if (targetType.IsKnownType(KnownTypeCode.UInt64))
{
block.Write(JS.Types.BRIDGE_INT + ".clipu64(");
block.AfterOutput += ")";
}
else
{
throw new ArgumentException("Can not narrow to " + targetType, "targetType");
}
if (!skipOuterWrap)
{
block.AfterOutput += ")";
}
}
}
}
private static bool IsLongConversion(ConversionBlock block, Expression expression, ResolveResult rr, IType expectedType, Conversion conversion)
{
return(IsTypeConversion(block, expression, rr, expectedType, conversion, "Bridge.Long", Helpers.IsLongType) ||
IsTypeConversion(block, expression, rr, expectedType, conversion, "Bridge.ULong", Helpers.IsULongType));
}
public static void CheckInteger(ConversionBlock block, Expression expression, IType type)
{
NarrowingNumericOrEnumerationConversion(block, expression, NullableType.IsNullable(type) ? NullableType.GetUnderlyingType(type) : type, false, true, NullableType.IsNullable(type));
}
private static bool IsTypeConversion(ConversionBlock block, Expression expression, ResolveResult rr, IType expectedType, Conversion conversion, string typeName, IsType isType)
{
if (conversion.IsUserDefined)
{
var m = conversion.Method;
if (isType(m.ReturnType, block.Emitter.Resolver))
{
return(false);
}
}
var invocationExpression = expression.Parent as InvocationExpression;
if (invocationExpression != null && invocationExpression.Arguments.Any(a => a == expression))
{
var index = invocationExpression.Arguments.ToList().IndexOf(expression);
var methodResolveResult = block.Emitter.Resolver.ResolveNode(invocationExpression, block.Emitter) as MemberResolveResult;
if (methodResolveResult != null)
{
var m = methodResolveResult.Member as IMethod;
var arg = m.Parameters[index < m.Parameters.Count ? index : (m.Parameters.Count - 1)];
if (isType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
if (expression is CastExpression && ((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
}
}
var objectCreateExpression = expression.Parent as ObjectCreateExpression;
if (objectCreateExpression != null && objectCreateExpression.Arguments.Any(a => a == expression))
{
var index = objectCreateExpression.Arguments.ToList().IndexOf(expression);
var methodResolveResult = block.Emitter.Resolver.ResolveNode(objectCreateExpression, block.Emitter) as MemberResolveResult;
if (methodResolveResult != null)
{
var m = methodResolveResult.Member as IMethod;
var arg = m.Parameters[index < m.Parameters.Count ? index : (m.Parameters.Count - 1)];
if (isType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
}
}
var namedArgExpression = expression.Parent as NamedArgumentExpression;
if (namedArgExpression != null)
{
var namedArgResolveResult = block.Emitter.Resolver.ResolveNode(namedArgExpression, block.Emitter) as NamedArgumentResolveResult;
if (isType(namedArgResolveResult.Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
}
var namedExpression = expression.Parent as NamedExpression;
if (namedExpression != null)
{
var namedResolveResult = block.Emitter.Resolver.ResolveNode(namedExpression, block.Emitter);
if (isType(namedResolveResult.Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
}
var binaryOpExpr = expression.Parent as BinaryOperatorExpression;
if (binaryOpExpr != null)
{
var idx = binaryOpExpr.Left == expression ? 0 : 1;
var binaryOpRr = block.Emitter.Resolver.ResolveNode(binaryOpExpr, block.Emitter) as OperatorResolveResult;
if (binaryOpRr != null && isType(binaryOpRr.Operands[idx].Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
}
var conditionalExpr = expression.Parent as ConditionalExpression;
if (conditionalExpr != null && conditionalExpr.Condition != expression)
{
var idx = conditionalExpr.TrueExpression == expression ? 0 : 1;
var conditionalrr = block.Emitter.Resolver.ResolveNode(conditionalExpr, block.Emitter) as OperatorResolveResult;
if (conditionalrr != null && isType(conditionalrr.Operands[idx].Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
}
var assignmentExpr = expression.Parent as AssignmentExpression;
if (assignmentExpr != null)
{
var assigmentRr = block.Emitter.Resolver.ResolveNode(assignmentExpr, block.Emitter) as OperatorResolveResult;
if (isType(assigmentRr.Operands[1].Type, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
}
var arrayInit = expression.Parent as ArrayInitializerExpression;
if (arrayInit != null)
{
while (arrayInit.Parent is ArrayInitializerExpression)
{
arrayInit = (ArrayInitializerExpression)arrayInit.Parent;
}
IType elementType = null;
var arrayCreate = arrayInit.Parent as ArrayCreateExpression;
if (arrayCreate != null)
{
var rrArrayType = block.Emitter.Resolver.ResolveNode(arrayCreate, block.Emitter);
if (rrArrayType.Type is TypeWithElementType)
{
elementType = ((TypeWithElementType)rrArrayType.Type).ElementType;
}
else
{
elementType = rrArrayType.Type;
}
}
else
{
var rrElemenet = block.Emitter.Resolver.ResolveNode(arrayInit.Parent, block.Emitter);
var pt = rrElemenet.Type as ParameterizedType;
if (pt != null)
{
elementType = pt.TypeArguments.Count > 0 ? pt.TypeArguments.First() : null;
}
else
{
var arrayType = rrElemenet.Type as TypeWithElementType;
if (arrayType != null)
{
elementType = arrayType.ElementType;
}
else
{
elementType = rrElemenet.Type;
}
}
}
if (elementType != null && isType(elementType, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
else if (Helpers.Is64Type(rr.Type, block.Emitter.Resolver) &&
Helpers.IsFloatType(elementType, block.Emitter.Resolver) &&
!Helpers.IsDecimalType(elementType, block.Emitter.Resolver) &&
isType(rr.Type, block.Emitter.Resolver))
{
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
}
if (isType(expectedType, block.Emitter.Resolver) && !isType(rr.Type, block.Emitter.Resolver) && !(conversion.IsExplicit && conversion.IsNumericConversion))
{
var castExpr = expression.Parent as CastExpression;
ResolveResult castTypeRr = null;
if (castExpr != null)
{
castTypeRr = block.Emitter.Resolver.ResolveNode(castExpr.Type, block.Emitter);
}
/*if (castTypeRr == null || !isType(castTypeRr.Type, block.Emitter.Resolver))*/
if (castTypeRr == null || !conversion.IsExplicit)
{
if (expression.IsNull)
{
return(false);
}
if (expression is CastExpression &&
((CastExpression)expression).Expression is ParenthesizedExpression)
{
return(false);
}
return(true);
}
}
return(false);
}
private static bool CheckDecimalConversion(ConversionBlock block, Expression expression, ResolveResult rr, IType expectedType, Conversion conversion)
{
if (conversion.IsUserDefined)
{
var m = conversion.Method;
if (Helpers.IsDecimalType(m.ReturnType, block.Emitter.Resolver))
{
return(false);
}
}
var invocationExpression = expression.Parent as InvocationExpression;
if (invocationExpression != null && invocationExpression.Arguments.Any(a => a == expression))
{
var index = invocationExpression.Arguments.ToList().IndexOf(expression);
var methodResolveResult = block.Emitter.Resolver.ResolveNode(invocationExpression, block.Emitter) as MemberResolveResult;
if (methodResolveResult != null)
{
var m = methodResolveResult.Member as IMethod;
var arg = m.Parameters[index < m.Parameters.Count ? index : (m.Parameters.Count - 1)];
if (Helpers.IsDecimalType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
}
var namedArgExpression = expression.Parent as NamedArgumentExpression;
if (namedArgExpression != null)
{
var namedArgResolveResult = block.Emitter.Resolver.ResolveNode(namedArgExpression, block.Emitter) as NamedArgumentResolveResult;
if (Helpers.IsDecimalType(namedArgResolveResult.Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(namedArgResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var namedExpression = expression.Parent as NamedExpression;
if (namedExpression != null)
{
var namedResolveResult = block.Emitter.Resolver.ResolveNode(namedExpression, block.Emitter);
if (Helpers.IsDecimalType(namedResolveResult.Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(namedResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var binaryOpExpr = expression.Parent as BinaryOperatorExpression;
if (binaryOpExpr != null)
{
var idx = binaryOpExpr.Left == expression ? 0 : 1;
var binaryOpRr = block.Emitter.Resolver.ResolveNode(binaryOpExpr, block.Emitter) as OperatorResolveResult;
if (binaryOpRr != null && Helpers.IsDecimalType(binaryOpRr.Operands[idx].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(binaryOpRr.Operands[idx].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var conditionalExpr = expression.Parent as ConditionalExpression;
if (conditionalExpr != null && conditionalExpr.Condition != expression)
{
var idx = conditionalExpr.TrueExpression == expression ? 0 : 1;
var conditionalrr = block.Emitter.Resolver.ResolveNode(conditionalExpr, block.Emitter) as OperatorResolveResult;
if (conditionalrr != null && Helpers.IsDecimalType(conditionalrr.Operands[idx].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(conditionalrr.Operands[idx].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var assignmentExpr = expression.Parent as AssignmentExpression;
if (assignmentExpr != null)
{
var assigmentRr = block.Emitter.Resolver.ResolveNode(assignmentExpr, block.Emitter) as OperatorResolveResult;
if (Helpers.IsDecimalType(assigmentRr.Operands[1].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(assigmentRr.Operands[1].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
var arrayInit = expression.Parent as ArrayInitializerExpression;
if (arrayInit != null)
{
while (arrayInit.Parent is ArrayInitializerExpression)
{
arrayInit = (ArrayInitializerExpression)arrayInit.Parent;
}
IType elementType = null;
var arrayCreate = arrayInit.Parent as ArrayCreateExpression;
if (arrayCreate != null)
{
var rrArrayType = block.Emitter.Resolver.ResolveNode(arrayCreate, block.Emitter);
if (rrArrayType.Type is TypeWithElementType)
{
elementType = ((TypeWithElementType)rrArrayType.Type).ElementType;
}
else
{
elementType = rrArrayType.Type;
}
}
else
{
var rrElemenet = block.Emitter.Resolver.ResolveNode(arrayInit.Parent, block.Emitter);
var pt = rrElemenet.Type as ParameterizedType;
if (pt != null)
{
elementType = pt.TypeArguments.Count > 0 ? pt.TypeArguments.First() : null;
}
else
{
var arrayType = rrElemenet.Type as TypeWithElementType;
if (arrayType != null)
{
elementType = arrayType.ElementType;
}
else
{
elementType = rrElemenet.Type;
}
}
}
if (elementType != null && Helpers.IsDecimalType(elementType, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(elementType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
if (Helpers.IsDecimalType(expectedType, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
var castExpr = expression.Parent as CastExpression;
ResolveResult castTypeRr = null;
if (castExpr != null)
{
castTypeRr = block.Emitter.Resolver.ResolveNode(castExpr.Type, block.Emitter);
}
if (castTypeRr == null || !Helpers.IsDecimalType(castTypeRr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return(false);
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(expectedType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return(true);
}
}
return(false);
}
protected void VisitBinaryOperatorExpression()
{
BinaryOperatorExpression binaryOperatorExpression = this.BinaryOperatorExpression;
if (this.Emitter.IsAsync && (
binaryOperatorExpression.Operator == BinaryOperatorType.BitwiseAnd ||
binaryOperatorExpression.Operator == BinaryOperatorType.BitwiseOr ||
binaryOperatorExpression.Operator == BinaryOperatorType.ConditionalOr ||
binaryOperatorExpression.Operator == BinaryOperatorType.ConditionalAnd
) && this.GetAwaiters(binaryOperatorExpression).Length > 0)
{
if (this.Emitter.AsyncBlock.WrittenAwaitExpressions.Contains(binaryOperatorExpression))
{
var index = System.Array.IndexOf(this.Emitter.AsyncBlock.AwaitExpressions, binaryOperatorExpression) + 1;
this.Write(JS.Vars.ASYNC_TASK_RESULT + index);
}
else
{
var index = System.Array.IndexOf(this.Emitter.AsyncBlock.AwaitExpressions, binaryOperatorExpression) + 1;
this.WriteAsyncBinaryExpression(index);
}
return;
}
var resolveOperator = this.Emitter.Resolver.ResolveNode(binaryOperatorExpression, this.Emitter);
var expectedType = this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression);
bool isDecimalExpected = Helpers.IsDecimalType(expectedType, this.Emitter.Resolver);
bool isDecimal = Helpers.IsDecimalType(resolveOperator.Type, this.Emitter.Resolver);
bool isLongExpected = Helpers.Is64Type(expectedType, this.Emitter.Resolver);
bool isLong = Helpers.Is64Type(resolveOperator.Type, this.Emitter.Resolver);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
var leftResolverResult = this.Emitter.Resolver.ResolveNode(binaryOperatorExpression.Left, this.Emitter);
var rightResolverResult = this.Emitter.Resolver.ResolveNode(binaryOperatorExpression.Right, this.Emitter);
var charToString = -1;
string variable = null;
bool leftIsNull = this.BinaryOperatorExpression.Left is NullReferenceExpression;
bool rightIsNull = this.BinaryOperatorExpression.Right is NullReferenceExpression;
bool isUint = resolveOperator.Type.IsKnownType(KnownTypeCode.UInt16) ||
resolveOperator.Type.IsKnownType(KnownTypeCode.UInt32) ||
resolveOperator.Type.IsKnownType(KnownTypeCode.UInt64);
var isFloatResult = Helpers.IsFloatType(resolveOperator.Type, this.Emitter.Resolver);
var leftExpected = this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Left);
var rightExpected = this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Right);
var strictNullChecks = this.Emitter.AssemblyInfo.StrictNullChecks;
if (orr != null && orr.Type.IsKnownType(KnownTypeCode.String))
{
for (int i = 0; i < orr.Operands.Count; i++)
{
var crr = orr.Operands[i] as ConversionResolveResult;
if (crr != null && crr.Input.Type.IsKnownType(KnownTypeCode.Char))
{
charToString = i;
}
}
}
if (resolveOperator is ConstantResolveResult)
{
this.WriteScript(((ConstantResolveResult)resolveOperator).ConstantValue);
return;
}
var resultIsString = expectedType.IsKnownType(KnownTypeCode.String) || resolveOperator.Type.IsKnownType(KnownTypeCode.String);
var isStringConcat = resultIsString && binaryOperatorExpression.Operator == BinaryOperatorType.Add;
var toStringForLeft = false;
var toStringForRight = false;
var parentBinary = binaryOperatorExpression.Parent as BinaryOperatorExpression;
bool parentIsString = resultIsString && parentBinary != null && parentBinary.Operator == BinaryOperatorType.Add;
if (parentIsString)
{
var parentResolveOperator = this.Emitter.Resolver.ResolveNode(binaryOperatorExpression.Parent, this.Emitter) as OperatorResolveResult;
if (parentResolveOperator != null && parentResolveOperator.UserDefinedOperatorMethod != null || BinaryOperatorBlock.IsOperatorSimple(parentBinary, this.Emitter))
{
parentIsString = false;
}
}
bool isSimpleConcat = isStringConcat && BinaryOperatorBlock.IsOperatorSimple(binaryOperatorExpression, this.Emitter);
if (charToString == -1 && isStringConcat && !leftResolverResult.Type.IsKnownType(KnownTypeCode.String))
{
toStringForLeft = true;
}
if (charToString == -1 && isStringConcat && !rightResolverResult.Type.IsKnownType(KnownTypeCode.String))
{
toStringForRight = true;
}
if (!isStringConcat && (Helpers.IsDecimalType(leftResolverResult.Type, this.Emitter.Resolver) || Helpers.IsDecimalType(rightResolverResult.Type, this.Emitter.Resolver)))
{
isDecimal = true;
isDecimalExpected = true;
}
if (isDecimal && isDecimalExpected && binaryOperatorExpression.Operator != BinaryOperatorType.NullCoalescing)
{
this.HandleDecimal(resolveOperator);
return;
}
var isLeftLong = Helpers.Is64Type(leftExpected, this.Emitter.Resolver);
var isRightLong = Helpers.Is64Type(rightExpected, this.Emitter.Resolver);
if (!isLeftLong && !isRightLong)
{
if (leftExpected.Kind == TypeKind.Enum && Helpers.Is64Type(leftExpected.GetDefinition().EnumUnderlyingType, this.Emitter.Resolver))
{
isLeftLong = true;
}
if (rightExpected.Kind == TypeKind.Enum && Helpers.Is64Type(rightExpected.GetDefinition().EnumUnderlyingType, this.Emitter.Resolver))
{
isRightLong = true;
}
}
if (!(resultIsString && binaryOperatorExpression.Operator == BinaryOperatorType.Add) && (isLeftLong || isRightLong))
{
isLong = true;
isLongExpected = true;
}
if (isLong && isLongExpected && binaryOperatorExpression.Operator != BinaryOperatorType.NullCoalescing)
{
if (!isFloatResult || binaryOperatorExpression.Operator == BinaryOperatorType.Divide && isLeftLong)
{
this.HandleLong(resolveOperator, isUint);
return;
}
}
var delegateOperator = false;
if (this.ResolveOperator(binaryOperatorExpression, orr))
{
return;
}
if (binaryOperatorExpression.Operator == BinaryOperatorType.Equality || binaryOperatorExpression.Operator == BinaryOperatorType.InEquality)
{
if (leftIsNull || rightIsNull)
{
this.WritePart(binaryOperatorExpression.Left, toStringForLeft, leftResolverResult);
if (binaryOperatorExpression.Operator == BinaryOperatorType.Equality)
{
this.Write(strictNullChecks ? " === " : " == ");
}
else
{
this.Write(strictNullChecks ? " !== " : " != ");
}
this.WritePart(binaryOperatorExpression.Right, toStringForRight, rightResolverResult);
return;
}
}
var insideOverflowContext = ConversionBlock.InsideOverflowContext(this.Emitter, binaryOperatorExpression);
if (binaryOperatorExpression.Operator == BinaryOperatorType.Divide && this.Emitter.Rules.Integer == IntegerRule.Managed &&
!(this.Emitter.IsJavaScriptOverflowMode && !insideOverflowContext) &&
(
(Helpers.IsIntegerType(leftResolverResult.Type, this.Emitter.Resolver) &&
Helpers.IsIntegerType(rightResolverResult.Type, this.Emitter.Resolver)) ||
(Helpers.IsIntegerType(this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Left), this.Emitter.Resolver) &&
Helpers.IsIntegerType(this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Right), this.Emitter.Resolver))
))
{
this.Write(JS.Types.BRIDGE_INT + "." + JS.Funcs.Math.DIV + "(");
this.WritePart(binaryOperatorExpression.Left, toStringForLeft, leftResolverResult);
this.Write(", ");
this.WritePart(binaryOperatorExpression.Right, toStringForRight, rightResolverResult);
this.Write(")");
return;
}
if (binaryOperatorExpression.Operator == BinaryOperatorType.Multiply && this.Emitter.Rules.Integer == IntegerRule.Managed &&
!(this.Emitter.IsJavaScriptOverflowMode && !insideOverflowContext) &&
(
(Helpers.IsInteger32Type(leftResolverResult.Type, this.Emitter.Resolver) &&
Helpers.IsInteger32Type(rightResolverResult.Type, this.Emitter.Resolver) &&
Helpers.IsInteger32Type(resolveOperator.Type, this.Emitter.Resolver)) ||
(Helpers.IsInteger32Type(this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Left), this.Emitter.Resolver) &&
Helpers.IsInteger32Type(this.Emitter.Resolver.Resolver.GetExpectedType(binaryOperatorExpression.Right), this.Emitter.Resolver) &&
Helpers.IsInteger32Type(resolveOperator.Type, this.Emitter.Resolver))
))
{
isUint = NullableType.GetUnderlyingType(resolveOperator.Type).IsKnownType(KnownTypeCode.UInt32);
this.Write(JS.Types.BRIDGE_INT + "." + (isUint ? JS.Funcs.Math.UMUL : JS.Funcs.Math.MUL) + "(");
this.WritePart(binaryOperatorExpression.Left, toStringForLeft, leftResolverResult);
this.Write(", ");
this.WritePart(binaryOperatorExpression.Right, toStringForRight, rightResolverResult);
if (ConversionBlock.IsInCheckedContext(this.Emitter, this.BinaryOperatorExpression))
{
this.Write(", 1");
}
this.Write(")");
return;
}
if (binaryOperatorExpression.Operator == BinaryOperatorType.Add ||
binaryOperatorExpression.Operator == BinaryOperatorType.Subtract)
{
var add = binaryOperatorExpression.Operator == BinaryOperatorType.Add;
if (expectedType.Kind == TypeKind.Delegate || this.Emitter.Validator.IsDelegateOrLambda(leftResolverResult) && this.Emitter.Validator.IsDelegateOrLambda(rightResolverResult))
{
delegateOperator = true;
this.Write(add ? JS.Funcs.BRIDGE_COMBINE : JS.Funcs.BRIDGE_REMOVE);
this.WriteOpenParentheses();
}
}
this.NullStringCheck = isStringConcat && !parentIsString && isSimpleConcat;
if (isStringConcat && !parentIsString && !isSimpleConcat)
{
this.Write(JS.Types.System.String.CONCAT);
this.WriteOpenParentheses();
}
bool nullable = orr != null && orr.IsLiftedOperator;
bool isCoalescing = (this.Emitter.AssemblyInfo.StrictNullChecks ||
NullableType.IsNullable(leftResolverResult.Type) ||
leftResolverResult.Type.IsKnownType(KnownTypeCode.String) ||
leftResolverResult.Type.IsKnownType(KnownTypeCode.Object)
) && binaryOperatorExpression.Operator == BinaryOperatorType.NullCoalescing;
string root = JS.Types.SYSTEM_NULLABLE + ".";
bool special = nullable;
bool rootSpecial = nullable;
bool isBool = NullableType.IsNullable(resolveOperator.Type) ? NullableType.GetUnderlyingType(resolveOperator.Type).IsKnownType(KnownTypeCode.Boolean) : resolveOperator.Type.IsKnownType(KnownTypeCode.Boolean);
bool toBool = isBool && !rootSpecial && !delegateOperator && (binaryOperatorExpression.Operator == BinaryOperatorType.BitwiseAnd || binaryOperatorExpression.Operator == BinaryOperatorType.BitwiseOr);
bool isRefEquals = !isCoalescing && !strictNullChecks &&
(binaryOperatorExpression.Operator == BinaryOperatorType.InEquality || binaryOperatorExpression.Operator == BinaryOperatorType.Equality) &&
leftExpected.IsReferenceType.HasValue && leftExpected.IsReferenceType.Value &&
rightExpected.IsReferenceType.HasValue && rightExpected.IsReferenceType.Value;
if (rootSpecial)
{
this.Write(root);
}
else if (!isRefEquals)
{
if (isCoalescing)
{
this.Write("(");
variable = this.GetTempVarName();
this.Write(variable);
this.Write(" = ");
}
else if (charToString == 0)
{
this.Write(JS.Funcs.STRING_FROMCHARCODE + "(");
}
if (toBool)
{
this.Write("!!(");
}
this.WritePart(binaryOperatorExpression.Left, toStringForLeft, leftResolverResult, isCoalescing);
if (isCoalescing)
{
this.Write(", ");
this.Write(variable);
this.Write(strictNullChecks ? " !== null" : " != null");
this.Write(" ? ");
ConversionBlock.expressionMap.Add(binaryOperatorExpression.Left, variable);
//this.Write(variable);
binaryOperatorExpression.Left.AcceptVisitor(this.Emitter);
ConversionBlock.expressionMap.Remove(binaryOperatorExpression.Left);
}
else if (charToString == 0)
{
this.Write(")");
}
}
if (isRefEquals)
{
if (binaryOperatorExpression.Operator == BinaryOperatorType.InEquality)
{
this.Write("!");
}
this.Write(JS.Funcs.BRIDGE_REFERENCEEQUALS);
special = true;
}
if (!delegateOperator && (!isStringConcat || isSimpleConcat))
{
if (!special)
{
this.WriteSpace();
}
switch (binaryOperatorExpression.Operator)
{
case BinaryOperatorType.Add:
this.Write(rootSpecial ? JS.Funcs.Math.ADD : "+");
break;
case BinaryOperatorType.BitwiseAnd:
if (isBool)
{
this.Write(rootSpecial ? JS.Funcs.Math.AND : "&");
}
else
{
this.Write(rootSpecial ? JS.Funcs.Math.BAND : "&");
}
break;
case BinaryOperatorType.BitwiseOr:
if (isBool)
{
this.Write(rootSpecial ? JS.Funcs.Math.OR : "|");
}
else
{
this.Write(rootSpecial ? JS.Funcs.Math.BOR : "|");
}
break;
case BinaryOperatorType.ConditionalAnd:
this.Write(rootSpecial ? JS.Funcs.Math.AND : "&&");
break;
case BinaryOperatorType.NullCoalescing:
this.Write(isCoalescing ? ":" : "||");
break;
case BinaryOperatorType.ConditionalOr:
this.Write(rootSpecial ? JS.Funcs.Math.OR : "||");
break;
case BinaryOperatorType.Divide:
this.Write(rootSpecial ? JS.Funcs.Math.DIV : "/");
break;
case BinaryOperatorType.Equality:
if (!isRefEquals)
{
this.Write(rootSpecial ? "eq" : "===");
}
break;
case BinaryOperatorType.ExclusiveOr:
this.Write(rootSpecial ? JS.Funcs.Math.XOR : "^");
break;
case BinaryOperatorType.GreaterThan:
this.Write(rootSpecial ? JS.Funcs.Math.GT : ">");
break;
case BinaryOperatorType.GreaterThanOrEqual:
this.Write(rootSpecial ? JS.Funcs.Math.GTE : ">=");
break;
case BinaryOperatorType.InEquality:
if (!isRefEquals)
{
this.Write(rootSpecial ? "neq" : "!==");
}
break;
case BinaryOperatorType.LessThan:
this.Write(rootSpecial ? JS.Funcs.Math.LT : "<");
break;
case BinaryOperatorType.LessThanOrEqual:
this.Write(rootSpecial ? JS.Funcs.Math.LTE : "<=");
break;
case BinaryOperatorType.Modulus:
this.Write(rootSpecial ? JS.Funcs.Math.MOD : "%");
break;
case BinaryOperatorType.Multiply:
this.Write(rootSpecial ? JS.Funcs.Math.MUL : "*");
break;
case BinaryOperatorType.ShiftLeft:
this.Write(rootSpecial ? JS.Funcs.Math.SL : "<<");
break;
case BinaryOperatorType.ShiftRight:
if (isUint)
{
this.Write(rootSpecial ? JS.Funcs.Math.SRR : ">>>");
}
else
{
this.Write(rootSpecial ? JS.Funcs.Math.SR : ">>");
}
break;
case BinaryOperatorType.Subtract:
this.Write(rootSpecial ? JS.Funcs.Math.SUB : "-");
break;
default:
throw new EmitterException(binaryOperatorExpression, "Unsupported binary operator: " + binaryOperatorExpression.Operator.ToString());
}
}
else
{
this.WriteComma();
}
if (special)
{
this.WriteOpenParentheses();
if (charToString == 0)
{
this.Write(JS.Funcs.STRING_FROMCHARCODE + "(");
}
this.WritePart(binaryOperatorExpression.Left, toStringForLeft, leftResolverResult);
if (charToString == 0)
{
this.Write(")");
}
this.WriteComma();
}
else if (!delegateOperator && (!isStringConcat || isSimpleConcat))
{
this.WriteSpace();
}
if (charToString == 1)
{
this.Write(JS.Funcs.STRING_FROMCHARCODE + "(");
}
this.WritePart(binaryOperatorExpression.Right, toStringForRight, rightResolverResult);
if (toBool)
{
this.WriteCloseParentheses();
}
if (charToString == 1 || isCoalescing)
{
this.WriteCloseParentheses();
}
if (delegateOperator || special || isStringConcat && !parentIsString && !isSimpleConcat)
{
this.WriteCloseParentheses();
}
}
public static int CheckConversion(ConversionBlock block, Expression expression)
{
try
{
var rr = block.Emitter.Resolver.ResolveNode(expression, block.Emitter);
var conversion = block.Emitter.Resolver.Resolver.GetConversion(expression);
var expectedType = block.Emitter.Resolver.Resolver.GetExpectedType(expression);
var level = ConversionBlock.CheckDecimalConversion(block, expression, rr, expectedType, conversion) ? 1 : 0;
if (Helpers.IsDecimalType(expectedType, block.Emitter.Resolver) && !conversion.IsUserDefined)
{
return(level);
}
if (conversion == null)
{
return(level);
}
if (conversion.IsIdentityConversion)
{
return(level);
}
var isNumLifted = conversion.IsImplicit && conversion.IsLifted && conversion.IsNumericConversion && !(expression is BinaryOperatorExpression);
if (isNumLifted && !conversion.IsUserDefined)
{
return(level);
}
bool isLifted = conversion.IsLifted && !isNumLifted && !(block is CastBlock) && !Helpers.IsDecimalType(expectedType, block.Emitter.Resolver);
if (isLifted)
{
level++;
block.Write("Bridge.Nullable.lift(");
}
if (conversion.IsUserDefined)
{
var method = conversion.Method;
string inline = block.Emitter.GetInline(method);
if (conversion.IsExplicit && !string.IsNullOrWhiteSpace(inline))
{
// Still returns true if Nullable.lift( was written.
return(level);
}
if (!string.IsNullOrWhiteSpace(inline))
{
if (expression is InvocationExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is ObjectCreateExpression)
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, (InvocationExpression)expression), inline).Emit();
}
else if (expression is UnaryOperatorExpression)
{
var unaryExpression = (UnaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(unaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, unaryExpression, orr, method), inline).Emit();
}
else if (expression is BinaryOperatorExpression)
{
var binaryExpression = (BinaryOperatorExpression)expression;
var resolveOperator = block.Emitter.Resolver.ResolveNode(binaryExpression, block.Emitter);
OperatorResolveResult orr = resolveOperator as OperatorResolveResult;
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, binaryExpression, orr, method), inline).Emit();
}
else
{
new InlineArgumentsBlock(block.Emitter, new ArgumentsInfo(block.Emitter, expression), inline).Emit();
}
block.DisableEmitConversionExpression = true;
// Still returns true if Nullable.lift( was written.
return(level);
}
else
{
if (method.DeclaringTypeDefinition != null && block.Emitter.Validator.IsIgnoreType(method.DeclaringTypeDefinition))
{
// Still returns true if Nullable.lift( was written.
return(level);
}
block.Write(BridgeTypes.ToJsName(method.DeclaringType, block.Emitter));
block.WriteDot();
block.Write(OverloadsCollection.Create(block.Emitter, method).GetOverloadName());
}
if (isLifted)
{
block.WriteComma();
}
else
{
block.WriteOpenParentheses();
level++;
}
var arg = method.Parameters[0];
if (Helpers.IsDecimalType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver) && !expression.IsNull)
{
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
level++;
}
return(level);
}
// Still returns true if Nullable.lift( was written.
return(level);
}
catch
{
}
return(0);
}
private void AddOveflowFlag(KnownTypeCode typeCode, string op_name)
{
if ((typeCode == KnownTypeCode.Int64 || typeCode == KnownTypeCode.UInt64) && ConversionBlock.IsInCheckedContext(this.Emitter, this.BinaryOperatorExpression))
{
if (op_name == JS.Funcs.Math.ADD || op_name == JS.Funcs.Math.SUB || op_name == JS.Funcs.Math.MUL)
{
this.Write(", 1");
}
}
}
protected virtual void EmitCastExpression(Expression expression, AstType type, string method)
{
var itype = this.Emitter.BridgeTypes.ToType(type);
bool isCastAttr;
string castCode = this.GetCastCode(expression, type, out isCastAttr);
if (itype != null && castCode == null && method != CS.Ops.CAST && itype.GetDefinition() != null && this.Emitter.Validator.IsObjectLiteral(itype.GetDefinition()))
{
throw new EmitterException(expression, "The type " + itype.FullName + " cannot be used in cast operation because there is no way to check its type");
}
var enumType = itype;
if (NullableType.IsNullable(enumType))
{
enumType = NullableType.GetUnderlyingType(enumType);
}
var castToEnum = enumType.Kind == TypeKind.Enum;
if (castToEnum)
{
itype = enumType.GetDefinition().EnumUnderlyingType;
var enumMode = this.Emitter.Validator.EnumEmitMode(enumType);
if (enumMode >= 3 && enumMode < 7)
{
itype = this.Emitter.Resolver.Compilation.FindType(KnownTypeCode.String);
}
}
if (expression is NullReferenceExpression || (method != CS.Ops.IS && Helpers.IsIgnoreCast(type, this.Emitter)))
{
if (expression is ParenthesizedExpression)
{
expression = ((ParenthesizedExpression)expression).Expression;
}
expression.AcceptVisitor(this.Emitter);
return;
}
if (method == CS.Ops.CAST)
{
var cast_rr = this.Emitter.Resolver.ResolveNode(this.CastExpression, this.Emitter);
if (cast_rr is ConstantResolveResult)
{
var expectedType = this.Emitter.Resolver.Resolver.GetExpectedType(this.CastExpression);
var value = ((ConstantResolveResult)cast_rr).ConstantValue;
this.WriteCastValue(value, expectedType);
return;
}
else
{
var conv_rr = cast_rr as ConversionResolveResult;
if (conv_rr != null && conv_rr.Input is ConstantResolveResult && !conv_rr.Conversion.IsUserDefined)
{
var expectedType = this.Emitter.Resolver.Resolver.GetExpectedType(this.CastExpression);
var value = ((ConstantResolveResult)conv_rr.Input).ConstantValue;
this.WriteCastValue(value, expectedType);
return;
}
}
}
if (method == CS.Ops.IS && castToEnum)
{
this.Write("Bridge.is(");
expression.AcceptVisitor(this.Emitter);
this.Write(", ");
this.Write(BridgeTypes.ToJsName(itype, this.Emitter));
this.Write(")");
return;
}
var expressionrr = this.Emitter.Resolver.ResolveNode(expression, this.Emitter);
var typerr = this.Emitter.Resolver.ResolveNode(type, this.Emitter);
if (expressionrr.Type.Equals(itype))
{
if (method == CS.Ops.IS)
{
this.Write(JS.Funcs.BRIDGE_HASVALUE);
this.WriteOpenParentheses();
}
expression.AcceptVisitor(this.Emitter);
if (method == CS.Ops.IS)
{
this.Write(")");
}
return;
}
bool isResultNullable = NullableType.IsNullable(typerr.Type);
if (castCode != null)
{
this.EmitInlineCast(expressionrr, expression, type, castCode, isCastAttr, method);
return;
}
bool isCast = method == CS.Ops.CAST;
if (isCast)
{
if (ConversionBlock.IsUserDefinedConversion(this, this.CastExpression.Expression) || ConversionBlock.IsUserDefinedConversion(this, this.CastExpression))
{
expression.AcceptVisitor(this.Emitter);
return;
}
}
var conversion = this.Emitter.Resolver.Resolver.GetConversion(expression);
if (conversion.IsNumericConversion || conversion.IsEnumerationConversion || (isCast && conversion.IsIdentityConversion))
{
expression.AcceptVisitor(this.Emitter);
return;
}
var simpleType = type as SimpleType;
bool hasValue = false;
if (simpleType != null && simpleType.Identifier == "dynamic")
{
if (method == CS.Ops.CAST || method == CS.Ops.AS)
{
expression.AcceptVisitor(this.Emitter);
return;
}
else if (method == CS.Ops.IS)
{
hasValue = true;
method = "hasValue";
}
}
bool unbox = !(itype.IsReferenceType.HasValue ? itype.IsReferenceType.Value : true) && !NullableType.IsNullable(itype) && isCast && conversion.IsUnboxingConversion;
if (unbox)
{
this.Write("System.Nullable.getValue(");
}
this.Write(JS.NS.BRIDGE);
this.WriteDot();
this.Write(method);
this.WriteOpenParentheses();
expression.AcceptVisitor(this.Emitter);
if (!hasValue)
{
this.WriteComma();
this.EmitCastType(itype);
}
if (isResultNullable && method != CS.Ops.IS)
{
this.WriteComma();
this.WriteScript(true);
}
this.WriteCloseParentheses();
if (unbox)
{
this.Write(")");
}
}
private static bool CheckDecimalConversion(ConversionBlock block, Expression expression, ResolveResult rr, IType expectedType, Conversion conversion)
{
if (conversion.IsUserDefined)
{
var m = conversion.Method;
if (Helpers.IsDecimalType(m.ReturnType, block.Emitter.Resolver))
{
return false;
}
}
var invocationExpression = expression.Parent as InvocationExpression;
if (invocationExpression != null && invocationExpression.Arguments.Any(a => a == expression))
{
var index = invocationExpression.Arguments.ToList().IndexOf(expression);
var methodResolveResult = block.Emitter.Resolver.ResolveNode(invocationExpression, block.Emitter) as MemberResolveResult;
if (methodResolveResult != null)
{
var m = methodResolveResult.Member as IMethod;
var arg = m.Parameters[index < m.Parameters.Count ? index : (m.Parameters.Count - 1)];
if (Helpers.IsDecimalType(arg.Type, block.Emitter.Resolver, arg.IsParams) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(arg.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
}
var namedArgExpression = expression.Parent as NamedArgumentExpression;
if (namedArgExpression != null)
{
var namedArgResolveResult = block.Emitter.Resolver.ResolveNode(namedArgExpression, block.Emitter) as NamedArgumentResolveResult;
if (Helpers.IsDecimalType(namedArgResolveResult.Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(namedArgResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var namedExpression = expression.Parent as NamedExpression;
if (namedExpression != null)
{
var namedResolveResult = block.Emitter.Resolver.ResolveNode(namedExpression, block.Emitter);
if (Helpers.IsDecimalType(namedResolveResult.Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(namedResolveResult.Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var binaryOpExpr = expression.Parent as BinaryOperatorExpression;
if (binaryOpExpr != null)
{
var idx = binaryOpExpr.Left == expression ? 0 : 1;
var binaryOpRr = block.Emitter.Resolver.ResolveNode(binaryOpExpr, block.Emitter) as OperatorResolveResult;
if (binaryOpRr != null && Helpers.IsDecimalType(binaryOpRr.Operands[idx].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(binaryOpRr.Operands[idx].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var conditionalExpr = expression.Parent as ConditionalExpression;
if (conditionalExpr != null && conditionalExpr.Condition != expression)
{
var idx = conditionalExpr.TrueExpression == expression ? 0 : 1;
var conditionalrr = block.Emitter.Resolver.ResolveNode(conditionalExpr, block.Emitter) as OperatorResolveResult;
if (conditionalrr != null && Helpers.IsDecimalType(conditionalrr.Operands[idx].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(conditionalrr.Operands[idx].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var assignmentExpr = expression.Parent as AssignmentExpression;
if (assignmentExpr != null)
{
var assigmentRr = block.Emitter.Resolver.ResolveNode(assignmentExpr, block.Emitter) as OperatorResolveResult;
if (Helpers.IsDecimalType(assigmentRr.Operands[1].Type, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(assigmentRr.Operands[1].Type) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
var arrayInit = expression.Parent as ArrayInitializerExpression;
if (arrayInit != null)
{
while (arrayInit.Parent is ArrayInitializerExpression)
{
arrayInit = (ArrayInitializerExpression)arrayInit.Parent;
}
IType elementType = null;
var arrayCreate = arrayInit.Parent as ArrayCreateExpression;
if (arrayCreate != null)
{
var rrArrayType = block.Emitter.Resolver.ResolveNode(arrayCreate, block.Emitter);
if (rrArrayType.Type is TypeWithElementType)
{
elementType = ((TypeWithElementType)rrArrayType.Type).ElementType;
}
else
{
elementType = rrArrayType.Type;
}
}
else
{
var rrElemenet = block.Emitter.Resolver.ResolveNode(arrayInit.Parent, block.Emitter);
var pt = rrElemenet.Type as ParameterizedType;
if (pt != null)
{
elementType = pt.TypeArguments.Count > 0 ? pt.TypeArguments.First() : null;
}
else
{
var arrayType = rrElemenet.Type as TypeWithElementType;
if (arrayType != null)
{
elementType = arrayType.ElementType;
}
else
{
elementType = rrElemenet.Type;
}
}
}
if (elementType != null && Helpers.IsDecimalType(elementType, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(elementType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
if (Helpers.IsDecimalType(expectedType, block.Emitter.Resolver) && !Helpers.IsDecimalType(rr.Type, block.Emitter.Resolver))
{
var castExpr = expression.Parent as CastExpression;
ResolveResult castTypeRr = null;
if (castExpr != null)
{
castTypeRr = block.Emitter.Resolver.ResolveNode(castExpr.Type, block.Emitter);
}
if (castTypeRr == null || !Helpers.IsDecimalType(castTypeRr.Type, block.Emitter.Resolver))
{
if (expression.IsNull)
{
return false;
}
block.Write("Bridge.Decimal");
if (NullableType.IsNullable(expectedType) && ConversionBlock.ShouldBeLifted(expression))
{
block.Write(".lift");
}
block.WriteOpenParentheses();
return true;
}
}
return false;
}
