slang::ast::HierarchicalReference class

#include <slang/ast/HierarchicalReference.h>

Represents a hierarchical reference to a symbol.

Public types

struct Element

An element in the hierarchical path.

Public static functions

static HierarchicalReference fromLookup(Compilation& compilation, const LookupResult& result)

Constructs a HierarchicalReference from a lookup result.

Constructors, destructors, conversion operators

HierarchicalReference() defaulted

Default constructor.

Public functions

bool isViaIfacePort() const

Returns true if the hierarchical reference was resolved via an interface port connection.

bool isUpward() const

Returns true if the hierarchical reference traverses upward through the hierarchy.

const HierarchicalReference& join(BumpAllocator& alloc, const HierarchicalReference& other) const

Returns a new HierarchicalReference that represents the joined path of this reference and another.

Public variables

const Symbol* target

The target symbol of the hierarchical reference.

const Expression* expr

The expression that was used to start the lookup, typically a HierarchicalValueExpression.

std::span<const Element> path

The resolved path to the target symbol.

size_t upwardCount

The number of times the path traverses upward before going back down the hierarchy to reach the target symbol.