/// <summary>
/// </summary>
/// <param name="static">
/// </param>
/// <returns>
/// </returns>
public CCodeMethodDeclaration CreateInvokeMethod(bool @static = false)
{
var methodImpl = new MethodImpl
{
Name = this.invoke.Name,
IsVirtual = true,
IsOverride = true,
ReturnType = this.invoke.ReturnType,
ReturnsVoid = this.invoke.ReturnsVoid,
Parameters = this.invoke.Parameters,
ContainingType = this.GetDelegateType(@static),
ReceiverType = this.GetDelegateType(@static)
};
// invoke
var invokeMethod = new CCodeMethodDeclaration(methodImpl);
var operand = @static
? new PointerIndirectionOperator {
Operand = new FieldAccess {
Field = new FieldImpl {
Name = "_memptr"
}
}
}
: (Expression)
new Access
{
ReceiverOpt = new FieldAccess {
Field = new FieldImpl {
Name = "_t", Type = Type
}
},
Expression =
new PointerIndirectionOperator {
Operand = new FieldAccess {
Field = new FieldImpl {
Name = "_memptr"
}
}
}
};
var callExpr = new Call
{
ReceiverOpt = new Parenthesis {
Operand = operand, Type = new TypeImpl {
}
},
Method = new MethodImpl {
Name = string.Empty, Parameters = this.invoke.Parameters
}
};
foreach (var p in this.invoke.Parameters.Select(p => new Parameter {
ParameterSymbol = p
}))
{
callExpr.Arguments.Add(p);
}
// if for multiple delegate
var zero = new Literal {
Value = ConstantValue.Create(0)
};
var invocationCountLocal = new Local {
CustomName = "invocationCount", Type = new TypeImpl {
SpecialType = SpecialType.System_Int32
}
};
var invocationCount = new AssignmentOperator
{
TypeDeclaration = true,
ApplyAutoType = true,
Left = invocationCountLocal,
Right = new Call
{
Method = new MethodImpl {
Name = "ToInt32", Parameters = ImmutableArray <IParameterSymbol> .Empty
},
ReceiverOpt = new FieldAccess
{
ReceiverOpt = new ThisReference()
{
Type = new TypeImpl {
}
},
Field = new FieldImpl {
Name = "_invocationCount", Type = new TypeImpl {
}
},
Type = new TypeImpl {
}
}
}
};
var invocationCountStatement = new ExpressionStatement
{
Expression = invocationCount
};
var iLocal = new Local {
CustomName = "i", Type = new TypeImpl {
SpecialType = SpecialType.System_Int32
}
};
var invokeResult = new Local {
CustomName = "invokeResult", Type = this.invoke.ReturnType
};
// call for 'for'
var callExprInstance = new Call
{
ReceiverOpt = new Cast
{
Type = Type,
CCast = true,
Operand =
new ArrayAccess
{
Expression = new Cast
{
Operand =
new FieldAccess
{
ReceiverOpt = new ThisReference {
Type = new TypeImpl {
}
},
Field = new FieldImpl {
Name = "_invocationList", Type = new TypeImpl {
}
}
},
CCast = true,
Type = new ArrayTypeImpl {
ElementType = new NamedTypeImpl {
SpecialType = SpecialType.System_Delegate, IsReferenceType = true
}
}
},
Indices =
{
iLocal
},
Type = new TypeImpl {
}
}
},
Method = new MethodImpl {
Name = "Invoke", Parameters = this.invoke.Parameters
}
};
foreach (var p in this.invoke.Parameters.Select(p => new Parameter {
ParameterSymbol = p
}))
{
callExprInstance.Arguments.Add(p);
}
var block = new Block
{
Statements =
{
new ForStatement
{
InitializationOpt =
new AssignmentOperator
{
ApplyAutoType = true,
TypeDeclaration = true,
Left = iLocal,
Right = zero
},
ConditionOpt = new BinaryOperator
{
Left = iLocal,
Right = invocationCountLocal,
OperatorKind = BinaryOperatorKind.IntLessThan
},
IncrementingOpt =
new PrefixUnaryExpression {
Value = iLocal, OperatorKind = SyntaxKind.PlusPlusToken
},
Statements = new ExpressionStatement
{
Expression =
this.invoke.ReturnsVoid
? (Expression)callExprInstance
: (Expression) new AssignmentOperator {
Left = invokeResult, Right = callExprInstance
}
}
},
new ReturnStatement {
ExpressionOpt = !this.invoke.ReturnsVoid ? invokeResult : null
}
}
};
if (!this.invoke.ReturnsVoid)
{
block.Statements.Insert(0, new VariableDeclaration {
Local = invokeResult
});
}
var ifInvokeListCountGreaterThen0 = new IfStatement
{
Condition =
new BinaryOperator
{
Left = invocationCountLocal,
Right = zero,
OperatorKind = BinaryOperatorKind.IntGreaterThan
},
IfStatements = block
};
invokeMethod.MethodBodyOpt = new MethodBody(methodImpl)
{
Statements =
{
invocationCountStatement,
ifInvokeListCountGreaterThen0,
this.invoke.ReturnsVoid
? (Statement) new ExpressionStatement {
Expression = callExpr
}
: (Statement) new ReturnStatement {
ExpressionOpt = callExpr
}
}
};
return(invokeMethod);
}
/// <summary>
/// </summary>
/// <param name="static">
/// </param>
/// <returns>
/// </returns>
private CCodeMethodDeclaration CreateInvokeMethod(bool @static = false)
{
var methodImpl = new MethodImpl
{
Name = this.invoke.Name,
IsVirtual = true,
IsOverride = true,
ReturnType = this.invoke.ReturnType,
ReturnsVoid = this.invoke.ReturnsVoid,
Parameters = this.invoke.Parameters
};
var invokeMethod = new CCodeMethodDeclaration(methodImpl);
var operand = @static
? new PointerIndirectionOperator {
Operand = new FieldAccess {
Field = new FieldImpl {
Name = "_memptr"
}
}
}
: (Expression)
new Access
{
ReceiverOpt = new FieldAccess {
Field = new FieldImpl {
Name = "_t", Type = Type
}
},
Expression =
new PointerIndirectionOperator {
Operand = new FieldAccess {
Field = new FieldImpl {
Name = "_memptr"
}
}
}
};
var callExpr = new Call
{
ReceiverOpt = new Parenthesis {
Operand = operand, Type = new TypeImpl {
}
},
Method = new MethodImpl {
Name = string.Empty, Parameters = this.invoke.Parameters
}
};
foreach (var p in this.invoke.Parameters.Select(p => new Parameter {
ParameterSymbol = p
}))
{
callExpr.Arguments.Add(p);
}
var returnStatement = new ReturnStatement {
ExpressionOpt = callExpr
};
invokeMethod.MethodBodyOpt = new MethodBody(methodImpl)
{
Statements = { returnStatement }
};
return(invokeMethod);
}