real::detail::shape_lead Struct Reference

A fixed shape's lead: save 0, an optional \A/^, an optional \b/\B. More...

#include <prefilter.hpp>

Public Attributes
std::size_t	body_start {}
	pc where the shape-specific body begins.
std::uint8_t	wb_lead {}
bool	anchored_start {}
	A leading \A/^ (not multiline ^) was peeled: the shape may only match at 0.
bool	ok {}
	false: no leading save 0, or a non-wb lead assert disqualifies.

Detailed Description

A fixed shape's lead: save 0, an optional \A/^, an optional \b/\B.

Member Data Documentation

anchored_start

bool real::detail::shape_lead::anchored_start {}

A leading \A/^ (not multiline ^) was peeled: the shape may only match at 0.

A recognizer that does not honour it MUST refuse the shape: a forward scan would return matches the program forbids.

wb_lead

std::uint8_t real::detail::shape_lead::wb_lead {}

0/1/2, see wb_hint_of.

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The documentation for this struct was generated from the following file:

• include/real/engine/prefilter.hpp