Struct SegmentCursor 

pub struct SegmentCursor { /* private fields */ }

A cursor that tracks position within a segment slice during assembly.

The cursor is the core state machine of the assembler. It advances through segments as the MIG tree is matched against the input.

Implementations

impl SegmentCursor

pub fn new(total: usize) -> Self

pub fn position(&self) -> usize

Current position in the segment list.

pub fn remaining(&self) -> usize

Number of segments remaining.

pub fn is_exhausted(&self) -> bool

Whether all segments have been consumed.

pub fn advance(&mut self)

Advance the cursor by one segment.

pub fn save(&self) -> usize

Save the current position for backtracking.

pub fn restore(&mut self, saved: usize)

Restore to a previously saved position.