/// <summary>
/// Visit FunctionDefinition to check declarations
/// </summary>
/// <param name="functionDefinition">FunctionDefinition to check</param>
public override void Visit(FunctionDefinition functionDefinition)
{
CreateChildSymbolTable();
//Check Formals
foreach(Formal formal in functionDefinition.GetFormals())
{
//Add variable, but with nullvalue, because value is undefined in definition
TextExpression textExpression = new TextExpression();
SymbolTable.AddVariableDefinition(formal.GetIdentifier(), textExpression);
}
//Check Statements of function
foreach (Statement statement in functionDefinition.GetStatements())
{
statement.AcceptVisitor(this);
}
MoveToParentSymbolTable();
}
public void ParseFormalsTest()
{
FunctionParser functionParser = new FunctionParser(Init("(param1, param2)"));
FunctionDefinition functionDefinition = new FunctionDefinition();
functionParser.ParseFormals(functionDefinition);
//Test formals
Assert.AreEqual(2, functionDefinition.GetFormals().Count);
Formal[] formalArray = (Formal[]) functionDefinition.GetFormals().ToArray();
Assert.AreEqual("param1", formalArray[0].ToString());
Assert.AreEqual("param2", formalArray[1].ToString());
}