Module instrument 

Lightweight instrumentation for profiling array parsing, expression parsing, and statement parsing.

This module provides zero-cost abstractions for profiling when the instrument feature is enabled. When disabled, all instrumentation macros and calls compile to nothing.

Structs

InstrumentStats

Global instrumentation statistics

Functions

get_stats

Get current statistics (snapshot)

record_arena_alloc

Record an arena.alloc call

record_arena_vec_allocation

Record an ArenaVec allocation with size info

record_arena_vec_empty

Record an empty ArenaVec that was allocated

record_arena_vec_waste

Record wasted capacity in ArenaVec (allocated but not used)

record_parse_array

Record array parsing started

record_parse_array_element

Record array element parsing started

record_parse_array_element_count

Record total array elements parsed

record_parse_array_element_with_arrow

Record array element with => operator

record_parse_array_simple_value

Record a simple/atomic value in an array (not followed by binary operators)

record_parse_atom

Record parse_atom call

record_parse_attribute

Record attribute group parsing

record_parse_class

Record a class/trait/interface declaration

record_parse_expr

Record a parse_expr call

record_parse_expr_array_first

Record first parse_expr call in array element (key or value)

record_parse_expr_array_second

Record second parse_expr call in array element (after =>)

record_parse_expr_bp_recursive

Record a recursive parse_expr_bp call (min_bp != 0)

record_parse_foreach

Record a foreach statement

record_parse_function

Record a function/method declaration

record_parse_if

Record if/elseif/else statements

record_parse_loop

Record for/while/do-while statements

record_parse_stmt

Record a statement parse call

record_parse_switch

Record switch statements

record_parse_try

Record try/catch/finally statements

report_stats

Print a formatted report of statistics

reset_stats

Reset all statistics