public void Analyze_AmbiguousPredefinedFunction_ReturnsFunctionNode()
{
IdentifierNode left = new IdentifierNode("sin");
SyntaxNode right = new NumberNode(1);
SyntaxNode root = new FunctionOrDistributionNode(left, right);
root = SemanticAnalyzer.Analyze(root, new Environment());
Assert.AreEqual("sin(1)", root.ToString());
}
public void Analyze_AmbigiousSymbolDistribution_ReturnsOperatorNode()
{
IdentifierNode left = new IdentifierNode("x");
SyntaxNode right = new NumberNode(1);
SyntaxNode root = new FunctionOrDistributionNode(left, right);
Environment environment = new Environment();
environment.AddSymbol("x");
root = SemanticAnalyzer.Analyze(root, environment);
Assert.AreEqual("x * 1", root.ToString());
}
private static SyntaxNode AnalyzeAmbiguousFunctionOrDistribution(FunctionOrDistributionNode node)
{
if (environment.IsPredefinedFunction(node.Identifier.Value))
{
return(CreateFunctionNode(node.Identifier, node.Expression));
}
EnvironmentVariable definition = environment.Get(node.Identifier.Value);
if (definition.IsTypeOf(EnvironmentVariableType.Function))
{
return(CreateFunctionNode(node.Identifier, node.Expression));
}
return(CreateMultiplicationNode(node.Identifier, node.Expression));
}
