static void CheckFree(Block block, Definition def)
{
{
UnitDefinition existingUnit;
if (block.Units.TryGetValue(def.Name, out existingUnit))
throw new SemanticError(def, "Already defined: " + existingUnit.Name, existingUnit);
}
{
VarDefinition existingVar;
if (block.Variables.TryGetValue(def.Name, out existingVar))
throw new SemanticError(def, "Already defined: " + existingVar.Name, existingVar);
}
{
ConstDefinition existingConst;
if (block.Constants.TryGetValue(def.Name, out existingConst))
throw new SemanticError(def, "Already defined: " + existingConst.Name, existingConst);
}
{
FuncDefinition existingFunc;
if (block.Functions.TryGetValue(def.Name, out existingFunc))
throw new SemanticError(def, "Already defined: " + existingFunc.Name, existingFunc);
}
}
public SemanticError(Definition unit, string message, Definition existing = null) : base(unit.CodeRange, message)
{
}
