Module subscript 

Array subscript parsing and indexing for zshrs

Direct port from zsh/Src/params.c getindex() and getarg() functions.

Handles array subscript syntax including:

• Simple indices: arr[1], arr[-1]
• Ranges: arr[1,5], arr[2,-1]
• All elements: arr[@], arr[*]
• Subscript flags: arr[(r)pattern], arr[(i)string], etc.

Modules

scanflags

Scan flags for parameter matching Port from zsh.h SCANPM_* constants

valflags

Value flags Port from zsh.h VALFLAG_* constants

Structs

SubscriptValue

Subscript value result Port from zsh Value struct fields relevant to subscripting

Functions

get_array_by_subscript

Get array elements by subscript Port from array access logic in params.c

get_array_element_by_subscript

Get single array element by subscript

getindex

Parse array index subscript Port from getindex() in zsh/Src/params.c (lines 2001-2168)