slang::analysis::ValueDriver class

#include <slang/analysis/ValueDriver.h>

Represents an expression that drives a value by assigning to some range of its type.

Public static functions

static ValueDriver* create(BumpAllocator& alloc, DriverKind kind, const ast::Expression& lsp, const ast::Symbol& containingSymbol, bitmask<DriverFlags> flags, const SourceRange* overrideRange = nullptr)

Constructs a new ValueDriver instance.

static ValueDriver* create(BumpAllocator& alloc, const ValueDriver& copyFrom)

Constructs a new ValueDriver instance.

Public functions

bool isInputPort() const

Indicates whether the driver is for an input port.

bool isUnidirectionalPort() const

Indicates whether the driver is for a unidirectional port (i.e. not an inout or ref port).

bool isClockVar() const

Indicates whether the driver is for a clocking variable.

bool isInSingleDriverProcedure() const

Indicates whether the driver is inside a single-driver procedure (such as always_comb).

SourceRange getSourceRange() const

Gets the source range describing the driver as written in the source code.

const SourceRange* getOverrideRange() const

Gets an optional extra source range that indicates the driver actually came from some other, indirected location (like a modport port expansion).

Public variables

not_null<const ast::Expression*> lsp

The longest static prefix expression that drives the value.

not_null<const ast::Symbol*> containingSymbol

The symbol that contains the driver expression.

bitmask<DriverFlags> flags

Flags that control how the driver operates.

DriverKind kind

The kind of driver (procedural or continuous).

DriverSource source

The source of the driver (procedural block, subroutine, etc).