private void WriteFunctionCallExp(FunctionCallExpression functioncall, StringBuilder programBuilder)
{
foreach (var id in registerFile.listofFunctions)
{
if (id == functioncall.Id)
{
recursive = true; break;
}
}
if (recursive == false)
{
for (int i = 0; i < functioncall.Parameters.Exprlist.Count; i++)
{
WriteExpr(functioncall.Parameters.Exprlist[i], registerFile, programBuilder);
}
programBuilder.AppendLine("\t pop ebp");
}
else
{
foreach (var param in functioncall.Parameters.Exprlist)
{
WriteExpr(param, registerFile, programBuilder);
}
}
}
public void TestReplaceVariablesIndexFunctionCall()
{
var functionDefinition = UserFunctionDefinitionExpression.ParseForTest("function func(i) => 6");
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { new IntegerConstantExpression(2) });
var value = new IntegerConstantExpression(98);
var variable = new VariableExpression("variable");
var dict = new DictionaryExpression();
dict.Add(new IntegerConstantExpression(6), value);
var scope = new InterpreterScope();
scope.AssignVariable(variable, dict);
scope.AddFunction(functionDefinition);
var expr = new IndexedVariableExpression(variable, functionCall);
ExpressionBase result;
Assert.That(expr.ReplaceVariables(scope, out result), Is.True);
Assert.That(result, Is.InstanceOf <IntegerConstantExpression>());
Assert.That(((IntegerConstantExpression)result).Value, Is.EqualTo(98));
}
public override bool ReplaceVariables(InterpreterScope scope, out ExpressionBase result)
{
if (!base.ReplaceVariables(scope, out result))
{
return(false);
}
var func = result as FunctionCallExpression;
if (func == null)
{
return(true);
}
var when = GetParameter(scope, "when", out result);
if (result != null)
{
return(false);
}
var format = GetStringParameter(scope, "format", out result);
if (result != null)
{
return(false);
}
result = new FunctionCallExpression(Name.Name, new ExpressionBase[] { func.Parameters.First(), when, format });
CopyLocation(result);
return(true);
}
/// <summary>
/// 处理函数调用
/// </summary>
/// <returns></returns>
private FunctionCallExpression ParseFunctionCall()
{
Tokens.MoveToNext();
var function = new FunctionCallExpression(Tokens.Current.Position)
{
Target = ParseBinaryOperator(GeneralParser(TokenType.String, TokenType.Number, TokenType.PluginCallStart, TokenType.Variable, TokenType.Constant, TokenType.LeftParenthesis))
};
while (Tokens.Current.Type != TokenType.LineBreak && Tokens.Current.Type != TokenType.RightParenthesis)
{
var parameter = new ParameterExpression(Tokens.Current.Position)
{
Name = ParseBinaryOperator(
GeneralParser(TokenType.String, TokenType.Number, TokenType.PluginCallStart, TokenType.Variable, TokenType.Constant, TokenType.LeftParenthesis),
0,
TokenType.Equal)
};
if (Tokens.Current.Type != TokenType.Equal)
{
throw new CompileException(Identifier, Tokens.Current.Position, "Function call parameters must have value");
}
Tokens.MoveToNext();
parameter.Value = ParseBinaryOperator(GeneralParser(
TokenType.String, TokenType.Number, TokenType.PluginCallStart, TokenType.Variable, TokenType.Constant, TokenType.LeftParenthesis, TokenType.LogicNot));
function.Parameters.Add(parameter);
}
return(function);
}
public void FunctionCallExpression4()
{
var e = new FunctionCallExpression("f", new [] { (Expression) new Literal("x"), new StringLiteral("y") });
Assert.IsFalse(e.IsTrivial);
Assert.AreEqual("f(x, \"y\")", e.ToString());
}
public string Visit(FunctionCallExpression call)
{
var codeWriter = new XzaarCodeWriter();
var indent = isInsideExpression ? 0 : currentIndent;
var instance = call.GetInstance();
if (instance != null)
{
codeWriter.Write(Visit(instance));
codeWriter.Write("." + call.MethodName + "(");
}
else
{
codeWriter.Write(call.MethodName + "(", indent);
}
for (int index = 0; index < call.Arguments.Count; index++)
{
var arg = call.Arguments[index];
codeWriter.Write(Visit(arg));
if (index + 1 < call.ArgumentCount)
{
codeWriter.Write(", ");
}
}
codeWriter.Write(")");
if (!isInsideExpression)
{
codeWriter.NewLine();
}
return(codeWriter.ToString());
}
private static FunctionCallExpression GetFunctionCallExpression(string identifier, List <ExpressionNode> children, List <int> globalReferences)
{
FunctionCallExpression functionCallExpression = new FunctionCallExpression(identifier, children, 0, 0);
functionCallExpression.GlobalReferences = globalReferences;
return(functionCallExpression);
}
public static void ShouldParseNoArgumentsCall()
{
var expected = new FunctionCallExpression("b", Enumerable.Empty <LuaExpression>());
var actual = Helpers.ParseExpression("b()");
Assert.AreEqual(expected, actual);
}
public void TestReplaceVariablesIndexFunctionCall()
{
var input = "function func(i) => 6";
var tokenizer = new PositionalTokenizer(Tokenizer.CreateTokenizer(input));
tokenizer.Match("function");
var functionDefinition = (FunctionDefinitionExpression)FunctionDefinitionExpression.Parse(tokenizer);
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { new IntegerConstantExpression(2) });
var value = new IntegerConstantExpression(98);
var variable = new VariableExpression("variable");
var dict = new DictionaryExpression();
dict.Entries.Add(new DictionaryExpression.DictionaryEntry {
Key = new IntegerConstantExpression(6), Value = value
});
var scope = new InterpreterScope();
scope.AssignVariable(variable, dict);
scope.AddFunction(functionDefinition);
var expr = new IndexedVariableExpression(variable, functionCall);
ExpressionBase result;
Assert.That(expr.ReplaceVariables(scope, out result), Is.True);
Assert.That(result, Is.InstanceOf <IntegerConstantExpression>());
Assert.That(((IntegerConstantExpression)result).Value, Is.EqualTo(98));
}
public void TestReplaceVariablesMethodCall()
{
var functionDefinition = UserFunctionDefinitionExpression.ParseForTest("function func(i) { j = i }");
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { new IntegerConstantExpression(2) });
var value1 = new IntegerConstantExpression(98);
var expr = new DictionaryExpression();
expr.Add(functionCall, value1);
var scope = new InterpreterScope();
scope.AddFunction(functionDefinition);
ExpressionBase result;
Assert.That(expr.ReplaceVariables(scope, out result), Is.False);
Assert.That(result, Is.InstanceOf <ParseErrorExpression>());
var parseError = (ParseErrorExpression)result;
while (parseError.InnerError != null)
{
parseError = parseError.InnerError;
}
Assert.That(parseError.Message, Is.EqualTo("func did not return a value"));
}
public void TestEvaluateDictionaryByReference()
{
// ensures the dictionary is passed by reference to func(), so it can be modified
// within func(). it's also much more efficient to pass the dictionary by reference
// instead of evaluating it (which creates a copy).
var functionDefinition = Parse("function func(d) { d[\"key\"] = 2 }");
var scope = new InterpreterScope();
scope.AddFunction(functionDefinition);
var dict = new DictionaryExpression();
dict.Add(new StringConstantExpression("key"), new IntegerConstantExpression(1));
scope.AssignVariable(new VariableExpression("dict"), dict);
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { new VariableExpression("dict") });
ExpressionBase result;
Assert.That(functionCall.Evaluate(scope, out result), Is.True);
Assert.That(result, Is.Null);
Assert.That(dict.Count, Is.EqualTo(1));
Assert.That(dict[0].Value, Is.InstanceOf <IntegerConstantExpression>());
Assert.That(((IntegerConstantExpression)dict[0].Value).Value, Is.EqualTo(2));
}
public override bool ReplaceVariables(InterpreterScope scope, out ExpressionBase result)
{
var comparison = GetParameter(scope, "comparison", out result);
if (comparison == null)
{
return(false);
}
var condition = comparison as ConditionalExpression;
if (condition != null && condition.Operation == ConditionalOperation.Or)
{
ExpressionBase left = new FunctionCallExpression(Name.Name, new ExpressionBase[] { condition.Left });
if (!left.ReplaceVariables(scope, out result))
{
return(false);
}
left = result;
ExpressionBase right = new FunctionCallExpression(Name.Name, new ExpressionBase[] { condition.Right });
if (!right.ReplaceVariables(scope, out result))
{
return(false);
}
right = result;
result = new ConditionalExpression(left, ConditionalOperation.And, right);
return(true);
}
return(base.ReplaceVariables(scope, out result));
}
private string EvaluateError(string formatString, ExpressionBase[] parameters)
{
var newParameters = new List <ExpressionBase>();
newParameters.Add(new StringConstantExpression(formatString));
newParameters.AddRange(parameters);
var expression = new FunctionCallExpression("format", newParameters);
var scope = new InterpreterScope();
scope.AddFunction(new FormatFunction());
scope.AddFunction(new AddFunction());
ExpressionBase result;
Assert.That(expression.Evaluate(scope, out result), Is.False);
Assert.That(result, Is.InstanceOf <ParseErrorExpression>());
var parseError = (ParseErrorExpression)result;
while (parseError.InnerError != null)
{
parseError = parseError.InnerError;
}
return(parseError.Message);
}
public void TestReplaceVariablesMethodCall()
{
var input = "function func(i) { j = i }";
var tokenizer = new PositionalTokenizer(Tokenizer.CreateTokenizer(input));
tokenizer.Match("function");
var functionDefinition = (FunctionDefinitionExpression)FunctionDefinitionExpression.Parse(tokenizer);
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { new IntegerConstantExpression(2) });
var value1 = new IntegerConstantExpression(98);
var expr = new DictionaryExpression();
expr.Entries.Add(new DictionaryExpression.DictionaryEntry {
Key = functionCall, Value = value1
});
var scope = new InterpreterScope();
scope.AddFunction(functionDefinition);
ExpressionBase result;
Assert.That(expr.ReplaceVariables(scope, out result), Is.False);
Assert.That(result, Is.InstanceOf <ParseErrorExpression>());
Assert.That(((ParseErrorExpression)result).Message, Is.EqualTo("func did not return a value"));
}
public void TestReplaceVariablesFunctionCall()
{
var input = "function func(i) => 6";
var tokenizer = new PositionalTokenizer(Tokenizer.CreateTokenizer(input));
tokenizer.Match("function");
var functionDefinition = (FunctionDefinitionExpression)FunctionDefinitionExpression.Parse(tokenizer);
var functionCall = new FunctionCallExpression("func", new ExpressionBase[] { new IntegerConstantExpression(2) });
var value1 = new IntegerConstantExpression(98);
var expr = new DictionaryExpression();
expr.Entries.Add(new DictionaryExpression.DictionaryEntry {
Key = functionCall, Value = value1
});
var scope = new InterpreterScope();
scope.AddFunction(functionDefinition);
ExpressionBase result;
Assert.That(expr.ReplaceVariables(scope, out result), Is.True);
Assert.That(result, Is.InstanceOf <DictionaryExpression>());
var dictResult = (DictionaryExpression)result;
Assert.That(dictResult.Entries.Count, Is.EqualTo(1));
Assert.That(dictResult.Entries[0].Key, Is.EqualTo(new IntegerConstantExpression(6)));
Assert.That(dictResult.Entries[0].Value, Is.EqualTo(value1));
}
private void CheckFunctionCallExpression(FunctionCallExpression e, TypeCheckingContext context)
{
for (int i = 0; i <= e.Parameters.Length - 1; i++)
{
PerformTypeChecking(e.Parameters[i], context);
}
Type[] parameterClasses = e.Parameters.Select(i => i.Type).ToArray();
if (e.MethodName == "Loop" || e.MethodName.Contains("MCM") || e.MethodName.Contains("Draw_"))
{
var list = parameterClasses.ToList();
list.Add(typeof(object));
parameterClasses = list.ToArray();
}
e.Method = context.VariableContext.SearchMethod(e.MethodName, null, parameterClasses);
if (e.Method == null)
{
var coe = LocalRepo.Coefficients.FirstOrDefault(m => m.CoefficientName == e.MethodName);
if (coe != null)
{
context.VariableContext.Set(e.MethodName, LocalRepo.CoefficientDetails.Where(m => m.CoefficientID == coe.CoefficientID).ToList());
e.Method = this.GetType().GetMethods()[0]; //模拟一个方法
e.IsCustomFunc = true;
}
else
{
e.IsCustomFunc = false;
}
if (!e.IsCustomFunc)
{
StringBuilder list = new StringBuilder();
foreach (Type type in parameterClasses)
{
list.Append(type).Append(",");
}
list.Remove(list.Length - 1, 1);
StringBuilder locations = new StringBuilder();
foreach (Type type in context.VariableContext.GetMethodExtenders())
{
locations.Append(type).Append("\r\n");
}
context.ErrorProvider.ThrowException(string.Format("Method {0}({1}) cannot be found.\r\nSearched the following locations:\r\n{2}",
e.MethodName,
list,
locations), e);
}
}
e.Type = e.Method.ReturnType;
context.LambdaContext.PushCallerMethod(e);
for (int i = 0; i <= e.Parameters.Length - 1; i++)
{
PerformTypeChecking(e.Parameters[i], context);
}
context.LambdaContext.PopCallerMethod();
}
public void Visit(FunctionCallExpression expression)
{
Visit(expression.Function);
Write("(");
expression.Parameters.DoBetween(Visit, (n, p) => Write(", "));
Write(")");
}
public TypeNode VisitFunctionCall(FunctionCallExpression funcCallExpNode, List <TypeNode> parameterTypes)
{
TypeNode res;
if (IsLocalReferenceAMatch(funcCallExpNode, parameterTypes))
{
funcCallExpNode.GlobalReferences = new List <int>();
FunctionTypeNode funcDeclType = (FunctionTypeNode)parameterTypes[funcCallExpNode.LocalReference];
res = funcDeclType.ReturnType;
}
else
{
List <int> matchingRefs = funcCallExpNode.GlobalReferences;
CheckMatches(funcCallExpNode.Children, matchingRefs, parameterTypes);
if (matchingRefs.Count > 1)
{
throw new OverloadException(funcCallExpNode, GetFunctions(matchingRefs));
}
else if (matchingRefs.Count == 0)
{
throw new NoMatchingFunctionFoundException(funcCallExpNode);
}
funcCallExpNode.LocalReference = FunctionCallExpression.NO_LOCAL_REF;
funcCallExpNode.GlobalReferences = matchingRefs;
res = _functions[matchingRefs.First()].FunctionType.ReturnType;
}
return(res);
}
public void TestPopComparison()
{
var scope = new InterpreterScope();
var array = new ArrayExpression();
var funcCall = new FunctionCallExpression("happy", new ExpressionBase[] { new IntegerConstantExpression(1) });
array.Entries.Add(new ComparisonExpression(funcCall, ComparisonOperation.Equal, new IntegerConstantExpression(2)));
scope.DefineVariable(new VariableDefinitionExpression("arr"), array);
var happyFunc = new FunctionDefinitionExpression("happy");
happyFunc.Parameters.Add(new VariableDefinitionExpression("num1"));
happyFunc.Expressions.Add(new ReturnExpression(new VariableExpression("num1")));
scope.AddFunction(happyFunc);
var entry = Evaluate("array_pop(arr)", scope);
Assert.That(entry, Is.InstanceOf <ComparisonExpression>());
var comparison = (ComparisonExpression)entry;
Assert.That(comparison.Left, Is.InstanceOf <FunctionCallExpression>());
Assert.That(((FunctionCallExpression)comparison.Left).FunctionName.Name, Is.EqualTo("happy"));
Assert.That(comparison.Right, Is.InstanceOf <IntegerConstantExpression>());
Assert.That(((IntegerConstantExpression)comparison.Right).Value, Is.EqualTo(2));
}
public void Reduce_FunctionWithConstantParameters()
{
_runtime
.Setup(mock => mock.FindAndCall("f",
It.Is <IExecutionContext>(context =>
context.Line == 0 &&
context.Column == 0 &&
context.Count == 2 &&
context[0].Equals(new IntValue(1)) &&
context[1].Equals(new IntValue(2))
)))
.Returns(new IntValue(3));
var expr =
new FunctionCallExpression(0, 0, "f", new []
{
new ConstantExpression(0, 1, new IntValue(1)),
new ConstantExpression(0, 3, new IntValue(2)),
});
var reduced = expr.Accept(_visitor);
Assert.IsInstanceOfType(reduced, typeof(ConstantExpression));
var constant = (ConstantExpression)reduced;
Assert.AreEqual(new IntValue(3), constant.Value);
Assert.AreEqual(0, constant.Line);
Assert.AreEqual(0, constant.Column);
}
public override Expression Reduce(Expression root, ExpressionReductor reductor)
{
if (!(root is FunctionCallExpression))
{
return(root);
}
FunctionCallExpression func = root as FunctionCallExpression;
if (func.MethodName == "pow")
{
if (func.Parameters[1].IsConstant(1))
{
return(func.Parameters[0]);
}
else if (func.Parameters[1].IsConstant(0))
{
return(ConstantExpression.create(1, 0, 0));
}
}
return(root);
}
public override bool ReplaceVariables(InterpreterScope scope, out ExpressionBase result)
{
var name = GetStringParameter(scope, "name", out result);
if (name == null)
{
return(false);
}
var format = GetStringParameter(scope, "format", out result);
if (format == null)
{
return(false);
}
var valueFormat = Leaderboard.ParseFormat(format.Value);
if (valueFormat == ValueFormat.None)
{
result = new ParseErrorExpression(format.Value + " is not a supported rich_presence_value format", format);
return(false);
}
var expression = GetParameter(scope, "expression", out result);
if (expression == null)
{
return(false);
}
result = new FunctionCallExpression(Name.Name, new ExpressionBase[] { name, expression, format });
CopyLocation(result);
return(true);
}
public void FunctionCallExpression2()
{
var e = new FunctionCallExpression("", new Expression[0]);
Assert.IsFalse(e.IsTrivial);
Assert.AreEqual("()", e.ToString());
}
public TypeNode Dispatch(ExpressionNode node, List <TypeNode> parameterTypes)
{
return(node switch
{
IBinaryNumberOperator n => _numberHelper.VisitBinaryNumOp(n, parameterTypes),
IBinaryBooleanOperator n => _booleanHelper.VisitBinaryBoolOp(n, parameterTypes),
IBinarySetOperator n => _setHelper.VisitBinarySetOp(n, parameterTypes),
SubsetExpression n => _setHelper.VisitSubset(n, parameterTypes),
SetExpression n => _setHelper.VisitSet(n, parameterTypes),
NotExpression n => _booleanHelper.VisitNot(n, parameterTypes),
FunctionCallExpression n => _declarationHelper.VisitFunctionCall(n, parameterTypes),
IdentifierExpression n => _declarationHelper.VisitIdentifier(n, parameterTypes),
IntegerLiteralExpression _ => _declarationHelper.VisitIntegerLiteral(),
RealLiteralExpression _ => _declarationHelper.VisitRealLiteral(),
BooleanLiteralExpression _ => _declarationHelper.VisitBooleanLiteral(),
StringLiteralExpression _ => _declarationHelper.VisitStringLiteral(),
EmptySetLiteralExpression _ => _declarationHelper.VisitEmptySetLiteral(),
AdditionExpression n => _commonOperatorHelper.VisitAddition(n, parameterTypes),
SubtractionExpression n => _commonOperatorHelper.VisitSubtraction(n, parameterTypes),
AbsoluteValueExpression n => _commonOperatorHelper.VisitAbsoluteValue(n, parameterTypes),
IRelationOperator n => _commonOperatorHelper.VisitRelationalOperator(n, parameterTypes),
IEquivalenceOperator n => _commonOperatorHelper.VisitEquivalenceOperator(n, parameterTypes),
NegativeExpression n => _numberHelper.VisitNegative(n, parameterTypes),
ElementExpression n => _commonOperatorHelper.VisitElement(n, parameterTypes),
ISetGraphField n => _commonOperatorHelper.VisitISetGraphField(n, parameterTypes),
IFunctionGraphField n => _commonOperatorHelper.VisitIFunctionGraphField(n, parameterTypes),
GraphExpression n => _commonOperatorHelper.VisitGraph(n, parameterTypes),
AnonymousFunctionExpression n => _declarationHelper.VisitAnonymousFunction(n, parameterTypes),
_ => throw new UnimplementedTypeCheckerException(node, "Dispatch"),
});
private DatabaseReference GetDatabaseReference(FunctionCallExpression fc, SyntaxNode location, ClusterSymbol defaultCluster)
{
if (fc.ReferencedSymbol == Functions.Database &&
TryGetConstantStringArgumentValue(fc, 0, out var databaseName))
{
location = location ?? fc.ArgumentList.Expressions[0].Element;
string cluster;
// get cluster name from explicit cluster reference (if possible)
if (!(fc.Parent is PathExpression p &&
p.Selector == fc &&
p.Expression is FunctionCallExpression fcCluster &&
fcCluster.ReferencedSymbol == Functions.Cluster &&
TryGetConstantStringArgumentValue(fcCluster, 0, out cluster)))
{
// otherwise use the default cluster
cluster = defaultCluster.Name;
}
return(new DatabaseReference(databaseName, cluster, location.TextStart, location.Width));
}
return(null);
}
/// <summary>
/// Parses while a certain condition matches.
/// </summary>
/// <param name="source">Source enumerator.</param>
/// <param name="functionName">Function used to get the name of the function that should be called.</param>
/// <param name="upper">Previous function to get the arguments from.</param>
/// <param name="condition">Checks whether the token type of the current token matches the current.</param>
/// <param name="error">Output error string.</param>
/// <returns>Instance of a class that implements IExpression.</returns>
private static IExpression ParseWhile(this IEnumerator <Token> source,
UpperDelegate upper,
Func <TokenType, string> functionName,
Predicate <TokenType> condition,
out string error)
{
var left = upper(source, out error);
if (condition((TokenType)source.Current) && left is null)
{
return(null);
}
while (condition((TokenType)source.Current))
{
var type = (TokenType)source.Current;
source.MatchAndEat(type, out error);
var right = upper(source, out error);
if (right is null)
{
error = "Expected right side of the expression.";
return(null);
}
left = new FunctionCallExpression(functionName(type), left, right);
}
return(left);
}
public override bool ReplaceVariables(InterpreterScope scope, out ExpressionBase result)
{
var count = GetIntegerParameter(scope, "count", out result);
if (count == null)
{
return(false);
}
var varargs = GetParameter(scope, "varargs", out result) as ArrayExpression;
if (varargs == null)
{
if (!(result is ParseErrorExpression))
{
result = new ParseErrorExpression("unexpected varargs", count);
}
return(false);
}
var parameters = new List <ExpressionBase>();
parameters.Add(count);
// special case - if there's a single array parameter, assume it's a list of conditions
if (varargs.Entries.Count == 1)
{
var arrayExpression = varargs.Entries[0] as ArrayExpression;
if (arrayExpression == null)
{
var referenceExpression = varargs.Entries[0] as VariableReferenceExpression;
if (referenceExpression != null)
{
arrayExpression = referenceExpression.Expression as ArrayExpression;
}
}
if (arrayExpression != null)
{
varargs = arrayExpression;
}
}
var tallyScope = new InterpreterScope(scope);
tallyScope.Context = this;
foreach (var entry in varargs.Entries)
{
if (!entry.ReplaceVariables(tallyScope, out result))
{
return(false);
}
parameters.Add(result);
}
result = new FunctionCallExpression(Name.Name, parameters.ToArray());
CopyLocation(result);
return(true);
}
private Expression CompileFunctionCall(string functionName, int lambdaLevel)
{
List <Expression> parameters = new List <Expression>();
while (!End)
{
if (IsPunctuationOf(")"))
{
Move();
break;
}
parameters.Add(Compile(lambdaLevel));
if (IsPunctuationOf(","))
{
Move();
}
else if (!IsPunctuationOf(")"))
{
ThrowExpects(")");
}
}
FunctionCallExpression func = new FunctionCallExpression(functionName, parameters.ToArray(), PeekPos(), Pos);
PopPosition();
return(func);
}
public string Visit(FunctionCallExpression call)
{
var codeWriter = new XzaarCodeWriter();
var indent = IsInsideExpression ? 0 : currentIndent;
var instance = call.GetInstance();
var methodInvocation = call.MethodName + "(";
var instanceText = string.Empty;
if (instance != null)
{
instanceText = instance is VariableDefinitionExpression instanceExpr
? instanceExpr.Name + "."
: Visit(instance) + ".";
}
codeWriter.Write(instanceText + methodInvocation, indent);
insideExpressionCount++;
for (int index = 0; index < call.Arguments.Count; index++)
{
var arg = call.Arguments[index];
codeWriter.Write(Visit(arg));
if (index + 1 < call.ArgumentCount)
{
codeWriter.Write(", ");
}
}
insideExpressionCount--;
codeWriter.Write(")");
if (!IsInsideExpression)
{
codeWriter.NewLine();
}
return(codeWriter.ToString());
}
public ParseErrorExpression CallFunction(FunctionCallExpression functionCall, InterpreterScope scope)
{
var functionDefinition = scope.GetFunction(functionCall.FunctionName.Name);
if (functionDefinition == null)
{
return(new UnknownVariableParseErrorExpression("Unknown function: " + functionCall.FunctionName.Name, functionCall.FunctionName));
}
var triggerBuilderFunction = functionDefinition as FunctionDefinition;
if (triggerBuilderFunction == null)
{
return(new ParseErrorExpression(functionCall.FunctionName.Name + " cannot be called from within a trigger clause", functionCall));
}
var error = triggerBuilderFunction.BuildTrigger(this, scope, functionCall);
if (error != null)
{
return(ParseErrorExpression.WrapError(error, "Function call failed.", functionCall));
}
return(null);
}
public override LuaExpression Parse(INextAwareEnumerator<Token> reader, IParserContext context)
{
var name = reader.Current.Value;
reader.MoveNext();
reader.VerifyExpectedToken(LuaToken.LeftBracket);
var parametersParser = new ExpressionListParser();
var expression = new FunctionCallExpression(name, parametersParser.Parse(reader, context).ToList());
reader.VerifyExpectedToken(LuaToken.RightBracket);
return expression;
}
public void VisitFunctionCallExpression(FunctionCallExpression functionCallExpression)
{
VisitExpression(functionCallExpression.Target);
ReturnValue = null;
foreach (Expression s in functionCallExpression.Arguments) {
VisitExpression(s);
}
ReturnValue = null;
}