public void AddVariableDeclaration(string name, string typeName)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException("A variable name expected.");
}
if (string.IsNullOrEmpty(typeName))
{
throw new ArgumentException($"A type name for the '{name}' variable expected.");
}
if (VariableDeclarations.ContainsKey(name))
{
throw new CompilerException($"The '{name}' variable is already declared as the {VariableDeclarations[name].TypeName} type.");
}
switch (typeName)
{
case "INTEGER": VariableDeclarations.Add(name, VariableDeclaration.CreateIntegerVariableDeclaration(name)); break;
case "REAL": VariableDeclarations.Add(name, VariableDeclaration.CreateRealVariableDeclaration(name)); break;
case "CHAR": VariableDeclarations.Add(name, VariableDeclaration.CreateCharVariableDeclaration(name)); break;
case "BOOLEAN": VariableDeclarations.Add(name, VariableDeclaration.CreateBooleanVariableDeclaration(name)); break;
case "STRING": VariableDeclarations.Add(name, VariableDeclaration.CreateStringVariableDeclaration(name)); break;
default:
throw new CompilerException($"Unknown type '{typeName}' used for the '{name}' variable declaration.");
}
}
public void AddVar(VariableDeclarationBase variable)
{
VariableDeclarations.Add(variable);
}