internal override void CollectInputExpressions(List <StatementSyntax> expressions)
{
// Base will traverse to input nodes
base.CollectInputExpressions(expressions);
string firstVariableName = null, secondVariableName = null;
// Save names of variables
firstVariableName = m_inputANode.VariableSyntaxName(ObjectBuilder.InputAID.VariableName);
secondVariableName = m_inputBNode != null?m_inputBNode.VariableSyntaxName(ObjectBuilder.InputBID.VariableName) : "null";
if (m_inputBNode == null && ObjectBuilder.Operation != "==" && ObjectBuilder.Operation != "!=")
{
throw new Exception("Null check with Operation " + ObjectBuilder.Operation + " is prohibited.");
}
// Create expression for arithmetic operation
Debug.Assert(!string.IsNullOrEmpty(firstVariableName) && !string.IsNullOrEmpty(secondVariableName));
expressions.Add(
MySyntaxFactory.ArithmeticStatement(
VariableSyntaxName(),
firstVariableName,
secondVariableName,
ObjectBuilder.Operation)
);
}
internal override void CollectInputExpressions(List <StatementSyntax> expressions)
{
base.CollectInputExpressions(expressions);
expressions.Add(
MySyntaxFactory.CastExpression(
m_inputNode.VariableSyntaxName(ObjectBuilder.InputID.VariableName),
ObjectBuilder.Type,
VariableSyntaxName())
);
}
internal override void CollectInputExpressions(List <StatementSyntax> expressions)
{
base.CollectInputExpressions(expressions);
if (ObjectBuilder.ValueInputID.NodeID != -1)
{
m_inputVariableName = m_inputNode.VariableSyntaxName(ObjectBuilder.ValueInputID.VariableName);
Debug.Assert(!string.IsNullOrEmpty(m_inputVariableName));
}
expressions.Add(GetCorrectAssignmentsExpression());
}
internal override void CollectSequenceExpressions(List <StatementSyntax> expressions)
{
CollectInputExpressions(expressions);
var valueVariableName = m_valueInput.VariableSyntaxName(ObjectBuilder.ValueInput.VariableName);
var switchSections = new List <SwitchSectionSyntax>();
var syntaxList = new List <StatementSyntax>();
for (int index = 0; index < m_sequenceOutputs.Count; index++)
{
var sequenceOutputNode = m_sequenceOutputs[index];
if (sequenceOutputNode == null)
{
continue;
}
syntaxList.Clear();
// Collect
sequenceOutputNode.CollectSequenceExpressions(syntaxList);
// Add break to the end of the section
syntaxList.Add(SyntaxFactory.BreakStatement());
// New section syntax
var section = SyntaxFactory.SwitchSection().WithLabels(
SyntaxFactory.SingletonList <SwitchLabelSyntax>(
SyntaxFactory.CaseSwitchLabel(
MySyntaxFactory.Literal(ObjectBuilder.NodeType, ObjectBuilder.Options[index].Option)
)
)).WithStatements(SyntaxFactory.List(syntaxList));
switchSections.Add(section);
}
var switchSyntax = SyntaxFactory.SwitchStatement(
SyntaxFactory.IdentifierName(valueVariableName)
)
.WithSections(SyntaxFactory.List(switchSections));
expressions.Add(switchSyntax);
}
internal override void CollectInputExpressions(List <StatementSyntax> expressions)
{
// Base will traverse to input nodes
base.CollectInputExpressions(expressions);
string firstVariableName = null, secondVariableName = null;
// Save names of variables
firstVariableName = m_inputANode.VariableSyntaxName(ObjectBuilder.InputAID.VariableName);
secondVariableName = m_inputBNode.VariableSyntaxName(ObjectBuilder.InputBID.VariableName);
// Create expression for arithmetic operation
Debug.Assert(!string.IsNullOrEmpty(firstVariableName) && !string.IsNullOrEmpty(secondVariableName));
expressions.Add(
MySyntaxFactory.ArithmeticStatement(
VariableSyntaxName(),
firstVariableName,
secondVariableName,
ObjectBuilder.Operation)
);
}
internal override void CollectSequenceExpressions(List <StatementSyntax> expressions)
{
// Collect mine input expressions and pushed expressions
CollectInputExpressions(expressions);
var trueStatments = new List <StatementSyntax>();
var falseStatments = new List <StatementSyntax>();
// Sequence outputs can be connected only to one input
if (m_nextTrueSequenceNode != null)
{
m_nextTrueSequenceNode.CollectSequenceExpressions(trueStatments);
}
if (m_nextFalseSequenceNode != null)
{
m_nextFalseSequenceNode.CollectSequenceExpressions(falseStatments);
}
var inputNodeVariableName = m_comparerNode.VariableSyntaxName(ObjectBuilder.InputID.VariableName);
// write my expression before the collected inputs
expressions.Add(MySyntaxFactory.IfExpressionSyntax(inputNodeVariableName, trueStatments, falseStatments));
}
internal override void CollectSequenceExpressions(List <StatementSyntax> expressions)
{
base.CollectInputExpressions(expressions);
// We can ignore the nodes with empty bodies
if (m_bodySequence != null)
{
var bodySyntax = new List <StatementSyntax>();
// Collect body expressions
m_bodySequence.CollectSequenceExpressions(bodySyntax);
// Create syntax for first index of for loop
ExpressionSyntax firstIndexExpression;
if (m_firstInput != null)
{
firstIndexExpression = SyntaxFactory.IdentifierName(
m_firstInput.VariableSyntaxName(ObjectBuilder.FirstIndexValueInput.VariableName)
);
}
else
{
firstIndexExpression = MySyntaxFactory.Literal(
typeof(int).Signature(),
ObjectBuilder.FirstIndexValue
);
}
// Create syntax for last index condition
ExpressionSyntax lastIndexExpression;
if (m_lastInput != null)
{
lastIndexExpression = SyntaxFactory.IdentifierName(
m_lastInput.VariableSyntaxName(ObjectBuilder.LastIndexValueInput.VariableName)
);
}
else
{
lastIndexExpression = MySyntaxFactory.Literal(typeof(int).Signature(), ObjectBuilder.LastIndexValue);
}
// Create syntax for increment
ExpressionSyntax incrementExpression;
if (m_incrementInput != null)
{
incrementExpression = SyntaxFactory.IdentifierName(
m_incrementInput.VariableSyntaxName(ObjectBuilder.IncrementValueInput.VariableName)
);
}
else
{
incrementExpression = MySyntaxFactory.Literal(typeof(int).Signature(), ObjectBuilder.IncrementValue);
}
// Put the for statement syntax together
var forStatement = SyntaxFactory.ForStatement(
SyntaxFactory.Block(bodySyntax)
).WithDeclaration(
SyntaxFactory.VariableDeclaration(
SyntaxFactory.PredefinedType(
SyntaxFactory.Token(SyntaxKind.IntKeyword)))
.WithVariables(
SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
SyntaxFactory.VariableDeclarator(
SyntaxFactory.Identifier(VariableSyntaxName()))
.WithInitializer(
SyntaxFactory.EqualsValueClause(
firstIndexExpression
)
)
)
)
).WithCondition(
SyntaxFactory.BinaryExpression(
SyntaxKind.LessThanOrEqualExpression,
SyntaxFactory.IdentifierName(VariableSyntaxName()),
lastIndexExpression
)
).WithIncrementors(
SyntaxFactory.SingletonSeparatedList <ExpressionSyntax>(
SyntaxFactory.AssignmentExpression(
SyntaxKind.AddAssignmentExpression,
SyntaxFactory.IdentifierName(VariableSyntaxName()),
incrementExpression
)
)
);
expressions.Add(forStatement);
}
// Ignore if not present
if (m_finishSequence != null)
{
m_finishSequence.CollectSequenceExpressions(expressions);
}
}
internal override void CollectInputExpressions(List <StatementSyntax> expressions)
{
// Insert expressions from connected nodes
base.CollectInputExpressions(expressions);
// Create container variables for output parameters.
// Assign correct identifiers to method call.
var args = new List <SyntaxNodeOrToken>();
var parameters = m_methodInfo.GetParameters();
var index = 0;
// Skip the first parameter for extension methods.
if (m_methodInfo.IsDefined(typeof(ExtensionAttribute), false))
{
index++;
}
for (; index < parameters.Length; index++)
{
var parameter = parameters[index];
// Create container variables for output parameters.
if (parameter.IsOut)
{
// Output parameters
var localOutputVariableName = VariableSyntaxName(parameter.Name);
// add variable creation expression
expressions.Add(MySyntaxFactory.LocalVariable(parameter.ParameterType.GetElementType().Signature(), localOutputVariableName));
// add variable name to parameters
args.Add(SyntaxFactory.Argument(
SyntaxFactory.IdentifierName(localOutputVariableName)
).WithNameColon(SyntaxFactory.NameColon(parameter.Name))
.WithRefOrOutKeyword(SyntaxFactory.Token(SyntaxKind.OutKeyword)
)
);
}
// Get the names of the variables supplying the values to the method call
else
{
// Find the value input node
MyTuple <MyVisualSyntaxNode, MyVariableIdentifier> inputData;
if (m_parametersToInputs.TryGetValue(parameter, out inputData))
{
// FOUND!
// add variable name to arguments
var variableName = inputData.Item1.VariableSyntaxName(inputData.Item2.VariableName);
Debug.Assert(variableName != null);
args.Add(SyntaxFactory.Argument(
SyntaxFactory.IdentifierName(
variableName
)
).WithNameColon(SyntaxFactory.NameColon(parameter.Name))
);
}
else
{
// Not FOUND! will be probably an constant argument
var paramValue =
ObjectBuilder.InputParameterValues.Find(value => value.ParameterName == parameter.Name);
if (paramValue == null)
{
// Dont panic, there could be still the default value.
if (!parameter.HasDefaultValue)
{
// Add null / some default value
args.Add(
MySyntaxFactory.ConstantDefaultArgument(parameter.ParameterType)
.WithNameColon(SyntaxFactory.NameColon(parameter.Name))
);
}
else
{
// default value will take care of this
continue; // no comma for you args
}
}
else
{
// Add constant value to arguments
args.Add(MySyntaxFactory.ConstantArgument(
parameter.ParameterType.Signature(), paramValue.Value
).WithNameColon(SyntaxFactory.NameColon(parameter.Name))
);
}
}
}
// add comma
args.Add(SyntaxFactory.Token(SyntaxKind.CommaToken));
}
// remove last comma
if (args.Count > 0)
{
args.RemoveAt(args.Count - 1);
}
// Create the invocation syntax
InvocationExpressionSyntax methodInvocation = null;
if (m_methodInfo.IsStatic && !m_methodInfo.IsDefined(typeof(ExtensionAttribute)))
{
// Static call
methodInvocation = MySyntaxFactory.MethodInvocationExpressionSyntax(
SyntaxFactory.IdentifierName(m_methodInfo.DeclaringType.FullName + "." + m_methodInfo.Name),
SyntaxFactory.ArgumentList(SyntaxFactory.SeparatedList <ArgumentSyntax>(args))
);
}
else
{
var declaringType = m_methodInfo.DeclaringType;
// Non static local method invocation
if (declaringType == m_scriptBaseType)
{
methodInvocation = MySyntaxFactory.MethodInvocationExpressionSyntax(
SyntaxFactory.IdentifierName(m_methodInfo.Name),
SyntaxFactory.ArgumentList(SyntaxFactory.SeparatedList <ArgumentSyntax>(args))
);
}
// Non static instance method invocation or extension method
else
{
if (m_instance == null)
{
throw new Exception("FunctionNode: " + ObjectBuilder.ID +
" Is missing mandatory instance input.");
}
var instanceVariableName = m_instance.VariableSyntaxName(ObjectBuilder.InstanceInputID.VariableName);
methodInvocation = MySyntaxFactory.MethodInvocationExpressionSyntax(
SyntaxFactory.IdentifierName(m_methodInfo.Name),
SyntaxFactory.ArgumentList(SyntaxFactory.SeparatedList <ArgumentSyntax>(args)),
SyntaxFactory.IdentifierName(instanceVariableName)
);
}
}
// Finalize the syntax
if (m_methodInfo.ReturnType == typeof(void))
{
// just add invocation
expressions.Add(
SyntaxFactory.ExpressionStatement(methodInvocation)
);
}
else
{
// Create variable for return value
expressions.Add(
MySyntaxFactory.LocalVariable(
string.Empty,
VariableSyntaxName("Return"),
methodInvocation
)
);
}
}
internal override void CollectSequenceExpressions(List <StatementSyntax> expressions)
{
// Collect input only from these nodes that are inputs for this node.
m_toCollectNodeCache.Clear();
foreach (var subTreeNode in SubTreeNodes)
{
var directConnection = false;
foreach (var outputNode in subTreeNode.Outputs)
{
// Must be an input
if (outputNode == this && !outputNode.Collected)
{
directConnection = true;
break;
}
}
if (directConnection)
{
subTreeNode.CollectInputExpressions(expressions);
}
else
{
// Cache these that are getting the input from this one.
m_toCollectNodeCache.Add(subTreeNode);
}
}
// We can ignore the nodes with empty bodies
if (m_bodySequence != null)
{
var bodySyntax = new List <StatementSyntax>();
// Collect the assigned bodies from
foreach (var node in m_toCollectNodeCache)
{
node.CollectInputExpressions(bodySyntax);
}
// Collect body expressions
m_bodySequence.CollectSequenceExpressions(bodySyntax);
// Create syntax for first index of for loop
ExpressionSyntax firstIndexExpression;
if (m_firstInput != null)
{
firstIndexExpression = SyntaxFactory.IdentifierName(
m_firstInput.VariableSyntaxName(ObjectBuilder.FirstIndexValueInput.VariableName)
);
}
else
{
firstIndexExpression = MySyntaxFactory.Literal(
typeof(int).Signature(),
ObjectBuilder.FirstIndexValue
);
}
// Create syntax for last index condition
ExpressionSyntax lastIndexExpression;
if (m_lastInput != null)
{
lastIndexExpression = SyntaxFactory.IdentifierName(
m_lastInput.VariableSyntaxName(ObjectBuilder.LastIndexValueInput.VariableName)
);
}
else
{
lastIndexExpression = MySyntaxFactory.Literal(typeof(int).Signature(), ObjectBuilder.LastIndexValue);
}
// Create syntax for increment
ExpressionSyntax incrementExpression;
if (m_incrementInput != null)
{
incrementExpression = SyntaxFactory.IdentifierName(
m_incrementInput.VariableSyntaxName(ObjectBuilder.IncrementValueInput.VariableName)
);
}
else
{
incrementExpression = MySyntaxFactory.Literal(typeof(int).Signature(), ObjectBuilder.IncrementValue);
}
// Put the for statement syntax together
var forStatement = SyntaxFactory.ForStatement(
SyntaxFactory.Block(bodySyntax)
).WithDeclaration(
SyntaxFactory.VariableDeclaration(
SyntaxFactory.PredefinedType(
SyntaxFactory.Token(SyntaxKind.IntKeyword)))
.WithVariables(
SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
SyntaxFactory.VariableDeclarator(
SyntaxFactory.Identifier(VariableSyntaxName()))
.WithInitializer(
SyntaxFactory.EqualsValueClause(
firstIndexExpression
)
)
)
)
).WithCondition(
SyntaxFactory.BinaryExpression(
SyntaxKind.LessThanOrEqualExpression,
SyntaxFactory.IdentifierName(VariableSyntaxName()),
lastIndexExpression
)
).WithIncrementors(
SyntaxFactory.SingletonSeparatedList <ExpressionSyntax>(
SyntaxFactory.AssignmentExpression(
SyntaxKind.AddAssignmentExpression,
SyntaxFactory.IdentifierName(VariableSyntaxName()),
incrementExpression
)
)
);
expressions.Add(forStatement);
}
// Ignore if not present
if (m_finishSequence != null)
{
m_finishSequence.CollectSequenceExpressions(expressions);
}
}