P4::IR::Traversal::Index Struct Reference

Select an index of a integer-indexed sub-object. This is useful e.g. to select first parameter of a method call and in similar cases involving IR::Vector or IR::IndexedVector. More...

#include <ir-traversal.h>

Public Member Functions
	Index (size_t value)

Public Attributes
size_t	value

Detailed Description

Select an index of a integer-indexed sub-object. This is useful e.g. to select first parameter of a method call and in similar cases involving IR::Vector or IR::IndexedVector.

modify(mce, &IR::MethodCallExpression::arguments, Index(0), &IR::Argument::expression,
Assign(val))

This snippet assigns val into the first argument of a method call.