public void Visit(DeclarationNode node)
{
// Ensure declaration doesn't duplicate another declaration in the current scope.
Scope scope = _scopes.GetScope(node).Scope;
DeclarationNode previousNode = scope.Variables.Find(existingNode => node.Name == existingNode.Name && node != existingNode);
if (previousNode != null)
{
_errors.AddError($"Duplicate declaration {node.Name}", node);
}
}
public void Visit(IdentifierParseNode node)
{
ShouldReplace = true;
NodeScopeInfo nodeScopeInfo = _scopeManager.GetScope(node);
DeclarationNode?decl = nodeScopeInfo.Scope.FindNearestDeclaration(node.Name, nodeScopeInfo.DeclarationIndex);
if (decl != null)
{
NewNode = UpdateSymbolMap(new VariableNode(decl), node);
return;
}
if (_semanticModule.EnumInfo.TryGetValue(node.Name, out EnumDeclarationInfo identifierInfo))
{
NewNode = UpdateSymbolMap(new EnumValueNode(identifierInfo.Declaration), node);
return;
}
ShouldReplace = false;
_errors.AddError($"Undeclared identifier {node.Name}", node);
}
private void DetermineLifetimeFromDeclaration(DeclarationNode declarationNode)
{
Lifetime = _scopeManager.GetScope(declarationNode).Scope;
}