public void ExecutesDelegatePerformance()
{
Dictionary<string, object> vars = new Dictionary<string, object>(5);
WaitCallback noop = delegate (object arg)
{
// noop
};
vars["noop"] = noop;
FunctionNode fn = new FunctionNode();
fn.Text = "noop";
StringLiteralNode str = new StringLiteralNode();
str.Text = "theArg";
fn.addChild(str);
int ITERATIONS = 10000000;
StopWatch watch = new StopWatch();
using (watch.Start("Duration Direct: {0}"))
{
for (int i = 0; i < ITERATIONS; i++)
{
((WaitCallback)vars["noop"])(str.getText());
}
}
using (watch.Start("Duration SpEL: {0}"))
{
for (int i = 0; i < ITERATIONS; i++)
{
fn.GetValue(null, vars);
}
}
}
protected bool Equals(FunctionNode other)
{
return base.Equals(other)
&& string.Equals(Name, other.Name)
&& IsPure.Equals(other.IsPure)
&& Equals(ReturnTypeSignature, other.ReturnTypeSignature);
}
public Word Visit(FunctionNode functionNode)
{
var function = new Function(functionNode);
if (Procedures.Contains(function))
{
return(ErrorFactory.AlreadyDefinedProcedure(functionNode, function.Name, function.ParamCount));
}
return(function);
}
public Constructor(CanonicalNameReference canonicalName, Flag flags, Name name,
List <Expression> annotations, FunctionNode function, List <Initializer> initializers)
{
this.canonicalName = canonicalName;
this.flags = flags;
this.name = name;
this.annotations = annotations;
this.function = function;
this.initializers = initializers;
}
public void ExtractReplicationGuidesFromText04()
{
List <int> guides = new List <int>();
string text = " < 101> < abc > <203> ";
bool result = FunctionNode.ExtractReplicationGuideFromText(guides, text);
Assert.AreEqual(false, result);
Assert.AreEqual(0, guides.Count);
}
public object Visit(FunctionNode node)
{
var paramList = new List <object>();
foreach (var pi in node.Parameters)
{
paramList.Add(pi.Accept(this));
}
return(_functionRunner.Invoke(new FunctionContext(node.Name, paramList)));
}
public void ExtractReplicationGuidesFromText03()
{
List <int> guides = new List <int>();
string text = null;
Assert.Throws <ArgumentNullException>(() =>
{
FunctionNode.ExtractReplicationGuideFromText(guides, text);
});
}
public void Visit_IfElseThrowsException_ExceptionShouldBeThrownOutsideTheVisitor()
{
var visitor = new ScriptVisitor(context => throw new InvalidOperationException("Operation failed"));
var conditionInstr = new ValueNode(true);
var ifInstr = new FunctionNode("name", new List <IAstNode>());
var elseInstr = new ValueNode(false);
Assert.Throws <InvalidOperationException>(() =>
visitor.Visit(new IfElseNode(conditionInstr, ifInstr, elseInstr)));
}
private void tvExpressions_Click(object sender, System.EventArgs e)
{
FunctionNode FunctionNode = tvExpressions.GetNodeAt(tvExpressions.PointToClient(Cursor.Position)) as FunctionNode;
if (FunctionNode == null)
{
return;
}
tvExpressions.SelectedNode = FunctionNode;
}
public void Visit(FunctionNode node)
{
CurrentSymbolTable.Insert(node.Identifier, node.Type, node);
CurrentSymbolTable.OpenScope();
node.AcceptSiblings(node.Params, this);
node.AcceptChildren(this);
node.SymbolTable = CurrentSymbolTable.currentTable;
CurrentSymbolTable.CloseScope();
}
public void AssignStatementWithVariable_ShouldContainExpressionNode()
{
var ast = TestHelpers.MakeAstRoot("int varTest = 2;\nint tester = 2;\nfunction testFunction -> | void\ntester = varTest;\nendfunction");
FunctionNode funcNode = ast.GetChildren(2) as FunctionNode;
AssignmentNode assignNode = funcNode.GetChildren(0) as AssignmentNode;
Assert.That(assignNode.Identifier, Is.EqualTo("tester"));
Assert.That(assignNode.Expression, Is.TypeOf <IdentfierNode>());
}
internal void FetchAndTranslate(FunctionNode func)
{
var fetcher = new Fetcher(_compiler, func);
var vc = fetcher.Run();
var analyzer = new LivenessAnalyzer(func, vc);
analyzer.Run();
var translator = new Translator(_assembler, _compiler, _codeContext, func, vc);
translator.Run();
}
public void Successfully_ListAllValuesForSingleExpr_Expand()
{
var data = Data(Roll9Conf);
var group = new GroupNode(null, new List <DiceAST> {
_2d20
});
var node = new FunctionNode(FunctionScope.Group, "expand", new DiceAST[0], data);
node.Context.Expression = group;
EvaluateNode(node, data, 2, "{2d20}.expand() => (9 + 9) => 18");
}
public void Analyze_Function_ReturnsFunctionNode()
{
SyntaxNode root = new FunctionNode(new IdentifierNode("ln"), new List <SyntaxNode>
{
new IdentifierNode("e")
});
root = SemanticAnalyzer.Analyze(root, new Environment());
Assert.AreEqual("ln(e)", root.ToString());
}
public void Visit(FunctionNode op)
{
string parameters = ParameterList(op);
EmitGraphvizNodeBegin($"{op.Name}({parameters})");
foreach (var parameter in op.Parameters)
{
parameter.Accept(this);
}
EmitGraphvizNodeEnd();
}
public void AssignStatementHasCorrectId()
{
var ast = TestHelpers.MakeAstRoot("int tester = 2;\nfunction testFunction -> | void\ntester = 4;\nendfunction");
FunctionNode funcNode = ast.GetChildren(1) as FunctionNode;
AssignmentNode assignNode = funcNode.GetChildren(0) as AssignmentNode;
//TestContext.WriteLine(((ExpressionNode)assignNode.Expression).Operator);
Assert.That(assignNode.Identifier, Is.EqualTo("tester"));
Assert.That(assignNode.Expression, Is.TypeOf <IntNode>());
}
public void FunctionNodeHasCorrectIdAndTypeAndChildren()
{
AstNode presumableFuncNode = astRoot.GetChildren(3);
Assert.That(presumableFuncNode, Is.TypeOf <FunctionNode>());
FunctionNode functionNode = presumableFuncNode as FunctionNode;
Assert.That(functionNode.Identifier, Is.EqualTo("setup"));
Assert.That(functionNode.Type, Is.EqualTo(LanguageType.Void));
Assert.That(functionNode.NumberOfChildren, Is.EqualTo(8));
}
public void IfNode_ShouldHaveAlternate()
{
FunctionNode funcNode = astRoot.GetChildren(4) as FunctionNode;
AstNode presumableIfNode = funcNode.GetChildren(4);
Assert.That(presumableIfNode, Is.TypeOf <IfNode>());
IfNode ifNode = presumableIfNode as IfNode;
Assert.That(ifNode.Alternate, Is.Not.Null);
Assert.That(ifNode.GetChildren(), Is.Not.Null);
}
public void Should_return_filter_descriptor_for_function()
{
FunctionNode functionNode = StringFunction();
functionNode.Accept(visitor);
FilterDescriptor result = (FilterDescriptor)visitor.Result;
Assert.Equal(FilterOperator.StartsWith, result.Operator);
Assert.Equal("Name", result.Member);
Assert.Equal("J", result.Value);
}
private T GetResult <T>(FunctionCallExpression node, List <object> parameters,
FunctionNode funcNode, List <object> scope)
{
List <object> funcParameters = scope;
for (int i = 0; i < node.Children.Count; i++)
{
TypeEnum type = funcNode.FunctionType.ParameterTypes[i].Type;
funcParameters.Add(_interpreter.Dispatch(node.Children[i], parameters, type));
}
return(_interpreter.Function <T>(funcNode, funcParameters));
}
private void AddSymbolsFromFunc(FunctionNode functionNode)
{
//todo user func
//foreach (var funcNodeArgument in functionNode.FormalArguments)
//{
// var compLitNode = funcNodeArgument as RelationNode;
// if(compLitNode != null)
// functionNode.SymbolTable.AddRelSymbol(compLitNode);
// else
// functionNode.SymbolTable.AddSetSymbol((SetNode)funcNodeArgument);
//}
}
private void BeginFunction(VariableType[] args, VariableType ret, CallingConvention callingConvention)
{
_function = new FunctionNode(CreateLabelNode(), CreateLabelNode(), args, ret, callingConvention);
AddNode(_function);
AddNode(_function.Entry);
var node = _currentNode;
AddNode(_function.Exit); // Add function exit / epilog marker.
AddNode(_function.End); // Add function end.
SetCurrentNode(node);
}
public void TestSerializeNullException()
{
IGraphController graphController = new GraphController(null);
IStorage storage = null;
IVisualNode node = new FunctionNode(graphController, "", "-", "double,double");
ISlot slot = new Slot(graphController, SlotType.Input, node);
Assert.Throws <ArgumentNullException>(() =>
{
slot.Serialize(storage);
});
}
public override void Visit(FunctionNode node)
{
if (node.Name == "Main")
{
_currentStringBuilder = MainBody;
VisitChildren(node);
}
else
{
_currentStringBuilder = Functions;
_currentStringBuilder.Append("\n");
_currentStringBuilder.Append($"public static");
if (node.IsCollection)
{
_currentStringBuilder.Append($" Collection<");
_currentStringBuilder.Append($"{ResolveTypeToCS(Utilities.FindTypeFromString(node.ReturnType))}");
_currentStringBuilder.Append($">");
}
else
{
_currentStringBuilder.Append($" {ResolveTypeToCS(Utilities.FindTypeFromString(node.ReturnType))}");
}
_currentStringBuilder.Append($" {HandleCSharpKeywords(node.Name)} (");
bool first = true;
foreach (var item in node.Parameters)
{
if (first)
{
first = false;
item.Accept(this);
}
else
{
_currentStringBuilder.Append($",");
item.Accept(this);
}
}
_currentStringBuilder.Append(") \n");
_currentStringBuilder.Append("{\n");
VisitChildren(node);
_currentStringBuilder.Append("\n");
_currentStringBuilder.Append("}");
}
_currentStringBuilder = Functions;
}
private void InsertDeclaration(AST ast, ASTNode himeNode)
{
if (himeNode.Children[0].Value == "export")
{
ExportNode exportNode = CreateExportNode(himeNode);
ast.Exports.Add(exportNode);
}
else
{
FunctionNode functionNode = CreateFunctionNode(himeNode);
ast.Functions.Add(functionNode);
}
}
public static FunctionNode CreateFunctionNode(
FunctionNode fn,
VariableNode name,
ListNode <DeclareNode> args,
ITypeNode?ret,
INode where
)
{
fn.Name = name;
fn.Arguments.AddRange(args.List);
fn.Return = ret;
return(fn.R(name));
}
private Expression Build(FunctionNode node)
{
string methodName;
if (!_methodNames.TryGetValue(node.FunctionName.ToLower(), out methodName))
{
return(null);
}
var expression = GetExpression(methodName, node.Arguments);
return(expression);
}
public override void Visit(FunctionNode node)
{
Emit(node.ID + "(");
foreach (Node argumentNode in node.Arguments)
{
Visit(argumentNode);
if (argumentNode != node.Arguments[^ 1])
{
Emit(", ");
}
}
Emit(node is FunctionStmtNode ? ");\n" : ")");
}
public void ExtractReplicationGuideFromText00()
{
List <int> guides = new List <int>();
string text = " < 101 > < 203 > ";
// string text = ""; null; " ";
// string text = " < 101 > < xyz > < 203 > ";
bool result = FunctionNode.ExtractReplicationGuideFromText(guides, text);
Assert.AreEqual(true, result);
Assert.AreEqual(2, guides.Count);
Assert.AreEqual(101, guides[0]);
Assert.AreEqual(203, guides[1]);
}
public ClassMemberNode(string name, ExprNode expr, FunctionNode func, TypeNode annotation, TokenLocation location) : base(location)
{
Name = name;
Expr = expr;
Func = func;
Annotation = annotation;
Binding.Name = Name;
if (Func != null)
{
Func.IsClassMember = true;
}
}
/// <summary>The <see cref="TermNode"/> visit implementation</summary>
/// <param name="termNode">The term AST node</param>
/// <returns>The modified AST node if modified otherwise the original node</returns>
public override AstNode VisitTermNode(TermNode termNode)
{
// term
// : unary_operator?
// [ NUMBER S* | PERCENTAGE S* | LENGTH S* | EMS S* | EXS S* | ANGLE S* |
// TIME S* | FREQ S* ]
// | STRING S* | IDENT S* | URI S* | hexcolor | function
// ;
// append for: unary_operator?
// TODO - Shall we remove the '+' operator here?
_printerFormatter.Append(termNode.UnaryOperator);
if (termNode.IsBinary && FunctionNode.IsBinaryOperator(termNode.UnaryOperator))
{
_printerFormatter.Append(" ");
}
// append for: [ NUMBER S* | PERCENTAGE S* | LENGTH S* | EMS S* | EXS S* | ANGLE S* | TIME S* | FREQ S* ]
if (!string.IsNullOrWhiteSpace(termNode.NumberBasedValue))
{
_printerFormatter.Append(termNode.NumberBasedValue);
}
else if (!string.IsNullOrWhiteSpace(termNode.StringBasedValue))
{
// append for: | STRING S* | IDENT S* | URI S*
_printerFormatter.Append(termNode.StringBasedValue);
}
else if (!string.IsNullOrWhiteSpace(termNode.ReplacementTokenBasedValue))
{
// TODO: REPLACECSSTOKENONPRINT
_printerFormatter.Append(termNode.ReplacementTokenBasedValue);
}
else if (!string.IsNullOrWhiteSpace(termNode.Hexcolor))
{
// append for: hexcolor
_printerFormatter.Append(termNode.Hexcolor);
}
else if (termNode.FunctionNode != null)
{
// append for: function
// Invoke the Function visitor
termNode.FunctionNode.Accept(this);
}
foreach (var comment in termNode.ImportantComments)
{
comment.Accept(this);
}
return(termNode);
}
/// <summary>
/// Declares a new function.
/// </summary>
private void declareFunction(FunctionNode node)
{
if (node.Name == "_")
{
Error(CompilerMessages.UnderscoreName);
}
var isVariadic = false;
// validation
if (node.Arguments.Count > 0)
{
for (var idx = 0; idx < node.Arguments.Count; idx++)
{
var curr = node.Arguments[idx];
if (curr.Name == "_")
{
curr.Name = Unique.AnonymousArgName();
}
if (curr.Type == typeof(UnspecifiedType))
{
Error(CompilerMessages.LambdaArgTypeUnknown);
}
if (curr.IsVariadic)
{
if (idx < node.Arguments.Count - 1)
{
Error(CompilerMessages.VariadicArgumentNotLast);
}
isVariadic = true;
}
}
}
else
{
if (node.Name == EntityNames.RunMethodName || node.Name == EntityNames.EntryPointMethodName)
{
Error(CompilerMessages.ReservedFunctionRedefinition, node.Name);
}
}
var method = MainType.CreateMethod(node.Name, node.ReturnTypeSignature, node.Arguments, true, prepare: false);
method.Kind = TypeContentsKind.UserDefined;
method.IsPure = node.IsPure;
method.IsVariadic = isVariadic;
method.Body = node.Body;
}
public LambdaComparer(LambdaExpressionNode lambdaExpression)
{
FunctionNode functionNode = new FunctionNode();
functionNode.Text = "compare";
VariableNode x = new VariableNode();
x.Text = "x";
VariableNode y = new VariableNode();
y.Text = "y";
functionNode.addChild(x);
functionNode.addChild(y);
_fn = functionNode;
_variables = new Hashtable();
_variables.Add( "compare", lambdaExpression );
}
public void ExecutesDelegate()
{
Dictionary<string, object> vars = new Dictionary<string, object>();
vars["concat"] = new TestCallback(Concat);
FunctionNode fn = new FunctionNode();
fn.Text = "concat";
StringLiteralNode str = new StringLiteralNode();
str.Text = "theValue";
fn.addChild(str);
StringLiteralNode str2 = new StringLiteralNode();
str2.Text = "theValue";
fn.addChild(str2);
IExpression exp = fn;
Assert.AreEqual(string.Format("{0},{1},{2}", this.GetHashCode(), str.Text, str2.Text), exp.GetValue(null, vars));
}
public LambdaComparer(LambdaExpressionNode lambdaExpression)
{
var functionNode = new FunctionNode {Text = "compare"};
var x = new VariableNode {Text = "x"};
var y = new VariableNode {Text = "y"};
functionNode.addChild(x);
functionNode.addChild(y);
_fn = functionNode;
_variables = new Dictionary<string, object>
{
{"compare", lambdaExpression}
};
}
public void ExecutesLambdaFunction()
{
Dictionary<string, object> vars = new Dictionary<string, object>();
Expression.RegisterFunction("ident", "{|n| $n}", vars);
FunctionNode fn = new FunctionNode();
fn.Text = "ident";
StringLiteralNode str = new StringLiteralNode();
str.Text = "theValue";
fn.addChild(str);
IExpression exp = fn;
Assert.AreEqual(str.Text, exp.GetValue(null, vars));
}
public FunctionNodeViewModel(FunctionNode graphItemObject, Invert.Core.GraphDesigner.DiagramViewModel diagramViewModel) :
base(graphItemObject, diagramViewModel) {
}
private void DrawingBoard_Click(object sender, MouseEventArgs e)
{
// If a method isn't selected, do nothing
if (lstMethods.SelectedItems.Count <= 0)
{
return;
}
// Otherwise, generate a new Node to and add it to our code base
Node f = null;
switch (CurrentMode[cmbSelectionPicker.Text])
{
case METHODS:
f = new FunctionNode(mAvailableMethods[lstMethods.SelectedIndices[0]]);
break;
case CONSTANTS:
f = new ConstantNode(ConstantNode.ConstConverter[lstMethods.SelectedItems[0].Text]);
break;
case OPERATORS:
f = new OperatorNode(OperatorNode.Operators[lstMethods.SelectedIndices[0]]);
break;
default:
throw new InvalidOperationException("You somehow got something besides Meth/Const/Op in the cmb box.");
break;
}
f.Location = e.Location;
mCommands.Add(f);
spltMainContainer.Panel2.Controls.Add(f);
}
//done
private void ParseFunction(Node subtree)
{
FunctionNode func = new FunctionNode(subtree);
//we already checked we had a Define
tokens.Next();
SymbolTable.EnterScope();
//Define Return Name(params):
tokens.ConsumeToken(TokenType.Type);
func.ReturnType = tokens.LastToken.Value;
tokens.ConsumeToken(TokenType.Ident);
func.Ident = tokens.LastToken.Value;
tokens.ConsumeToken(TokenType.LeftParen);
if (tokens.CurrentToken != TokenType.RightParen)
{
ParseFunctionParamList(func);
}
tokens.ConsumeToken(TokenType.RightParen).ConsumeToken(TokenType.Colon); //and close
FunctionTable.Add(func.CreateSignature(), func);
ParseBlock(func);
if (func.ReturnType == "Void")
{
func.Children[1].AddChild(new ReturnNode(func.Children[1]));
}
SymbolTable.ExitScope();
}
/// <summary>
/// Declares a new function.
/// </summary>
private void declareFunction(FunctionNode node)
{
if (node.Name == "_")
Error(CompilerMessages.UnderscoreName);
var isVariadic = false;
// validation
if (node.Arguments.Count > 0)
{
for (var idx = 0; idx < node.Arguments.Count; idx++)
{
var curr = node.Arguments[idx];
if (curr.Name == "_")
curr.Name = Unique.AnonymousArgName();
if(curr.Type == typeof(UnspecifiedType))
Error(CompilerMessages.LambdaArgTypeUnknown);
if (curr.IsVariadic)
{
if (idx < node.Arguments.Count - 1)
Error(CompilerMessages.VariadicArgumentNotLast);
isVariadic = true;
}
}
}
else
{
if (node.Name == EntityNames.RunMethodName || node.Name == EntityNames.EntryPointMethodName)
Error(CompilerMessages.ReservedFunctionRedefinition, node.Name);
}
var method = MainType.CreateMethod(node.Name, node.ReturnTypeSignature, node.Arguments, true, prepare: false);
method.Kind = TypeContentsKind.UserDefined;
method.IsPure = node.IsPure;
method.IsVariadic = isVariadic;
method.Body = node.Body;
}
private static void GenerateFunctionDeclaration(FunctionNode node, DataContext data)
{
data.VariableMap.DeclareVariable(node.FunctionName, node.Line, node.Column);
StartLine(data, "context.DeclareVariable(\"{0}\", isConst: true, value: ", node.FunctionName);
GenerateFunction(node, data);
EndLine(data, ");");
}
private static void GenerateFunction(FunctionNode node, DataContext data)
{
Append(data, "new ScriptFunction(new Func<ScriptExecutionContext, dynamic[]");
if (node.Args.Count > 0)
{
Append(data, ", ");
Append(data, string.Join(", ", Enumerable.Repeat("dynamic", node.Args.Count)));
}
string functionName = "Function" + data.GetNextFunctionIndex();
Append(data, ", dynamic>({0})", functionName);
data.VariableMap.PushFrame();
Append(data, ", ");
if (node.Args.Count > 0)
{
Append(data, "new dynamic[] {{ ");
for (int i = 0; i < node.Args.Count; i++)
{
data.VariableMap.DeclareVariable(node.Args[i].VariableName, node.Line, node.Column);
if (i != 0)
Append(data, ", ");
if (node.Args[i].ValueExpression != null)
{
GenerateExpression(node.Args[i].ValueExpression, data);
}
else
{
Append(data, "null");
}
}
Append(data, " }}");
}
else
{
Append(data, "null");
}
var variableDeclarations = node.BodyStatementBlock.Find<VariableDeclarationNode>().Where(x => x.FindParent<FunctionNode>() == node).Select(x => x.VariableName);
var capturedVariables = node.BodyStatementBlock.Find<VariableReferenceNode>()
.Where(x =>
x.FindParent<FunctionNode>() == node &&
!variableDeclarations.Contains(x.VariableName) &&
!data.VariableMap.IsVariableDeclaredInCurrentFrame(x.VariableName)
)
.ToArray();
Append(data, ", ");
if (capturedVariables.Length > 0)
{
Append(data, "new dynamic[] {{ ");
for (int i = 0; i < capturedVariables.Length; i++)
{
if (i != 0)
Append(data, ", ");
Append(data, "context[\"{0}\"]", capturedVariables[i].VariableName);
}
Append(data, " }}");
}
else
{
Append(data, "null");
}
Append(data, ")");
data.PushCodeBlock(functionName);
data.CodeBlock.Padding = 2;
string returnType = "dynamic";
if (node.IsGenerator)
returnType = "IEnumerable<dynamic>";
Append(data, "private static {0} {1}(ScriptExecutionContext context, dynamic[] captures", returnType, functionName);
if (node.Args.Count > 0)
{
Append(data, ", ");
Append(data, string.Join(", ", node.Args.Select(x => "dynamic " + data.VariableMap.GetVariableName(x.VariableName))));
}
EndLine(data, ")");
WriteLine(data, "{{");
data.CodeBlock.Padding++;
if (!node.IsGenerator)
WriteLine(data, "context.PushStackFrame(\"{0}\");", !node.IsAnonymous ? node.FunctionName : "<anonymous>");
foreach (var arg in node.Args)
WriteLine(data, "context.DeclareVariable(\"{0}\", {1});", arg.VariableName, data.VariableMap.GetVariableName(arg.VariableName));
for (int i = 0; i < capturedVariables.Length; i++)
WriteLine(data, "context.DeclareVariable(\"{0}\", captures[{1}]);", capturedVariables[i].VariableName, i);
if (!node.IsGenerator)
{
WriteLine(data, "bool isError = false;");
WriteLine(data, "try {{");
data.CodeBlock.Padding++;
}
GenerateStatementBlock(node.BodyStatementBlock, data, pushStackFrame: false);
if (!(node.BodyStatementBlock.Last() is ReturnNode) && !node.IsGenerator)
{
WriteLine(data, "return null;");
}
if (!node.IsGenerator)
{
data.CodeBlock.Padding--;
WriteLine(data, "}} catch(Exception) {{");
data.CodeBlock.Padding++;
WriteLine(data, "isError = true;");
WriteLine(data, "throw;");
data.CodeBlock.Padding--;
WriteLine(data, "}} finally {{");
data.CodeBlock.Padding++;
WriteLine(data, "if (!isError) {{");
data.CodeBlock.Padding++;
WriteLine(data, "context.PopStackFrame();");
data.CodeBlock.Padding--;
WriteLine(data, "}}");
data.CodeBlock.Padding--;
WriteLine(data, "}}");
}
data.CodeBlock.Padding--;
WriteLine(data, "}}");
data.PopCodeBlock();
data.VariableMap.PopFrame();
}
private FunctionNode StringFunction()
{
FunctionNode comparisonNode = new FunctionNode
{
FilterOperator = FilterOperator.StartsWith,
Arguments =
{
new PropertyNode
{
Name = "Name"
},
new StringNode
{
Value = "J"
}
}
};
return comparisonNode;
}
/// <summary>
/// fun_def = [ "pure" ] "fun" identifier [ ":" type ] fun_args "->" block
/// </summary>
private FunctionNode parseFunDef()
{
var node = new FunctionNode();
node.IsPure = check(LexemType.Pure);
if (!check(LexemType.Fun))
{
if (node.IsPure)
error(ParserMessages.FunctionDefExpected);
else
return null;
}
node.Name = ensure(LexemType.Identifier, ParserMessages.FunctionIdentifierExpected).Value;
if (check(LexemType.Colon))
node.ReturnTypeSignature = ensure(parseType, ParserMessages.FunctionReturnExpected);
node.Arguments = attempt(() => parseFunArgs(true)) ?? new List<FunctionArgument>();
ensure(LexemType.Arrow, ParserMessages.SymbolExpected, "->");
node.Body.LoadFrom(ensure(parseBlock, ParserMessages.FunctionBodyExpected));
return node;
}
internal virtual INode BuildExpression(Dictionary<NodeModel, Dictionary<int, INode>> buildDict)
{
//Debug.WriteLine("Building expression...");
if (OutPortData.Count > 1)
{
var names = OutPortData.Select(x => x.NickName).Zip(Enumerable.Range(0, OutPortData.Count), (x, i) => x+i).ToList();
var listNode = new FunctionNode("list", names);
foreach (var data in names.Zip(Enumerable.Range(0, OutPortData.Count), (name, index) => new { Name=name, Index=index }))
{
listNode.ConnectInput(data.Name, Build(buildDict, data.Index));
}
return listNode;
}
else
return Build(buildDict, 0);
}
private void ParseFunctionParamList(FunctionNode func)
{
if (func.Ident == "Greet")
{
int i;
}
bool cont;
do
{
cont = false;
VariableNode var = new VariableNode(func.Params);
var.Type = tokens.CurrentToken.Value;
tokens.ConsumeToken(TokenType.Type);
if (tokens.CurrentToken == TokenType.LeftSquare)
{
var.IsArray = true;
var.ArraySize = null;
tokens.ConsumeToken(TokenType.LeftSquare);
tokens.ConsumeToken(TokenType.RightSquare);
}
tokens.ConsumeToken(TokenType.Ident); //name
var.Ident = tokens.LastToken.Value;
SymbolTable.AddVariable(var.Ident, var);
if (tokens.CurrentToken == TokenType.Comma) //moar
{
tokens.ConsumeToken(TokenType.Comma);
cont = true;
}
} while (cont);
//okay we hit the end
//SymbolTable.ExitScope();
}