object

# `subprocess_coverage_hook`

Subprocess coverage hook object. Loaded in baseline coverage subprocesses to capture lgtunit coverage and persist it to a file.

Availability:
`logtalk_load(mutation_testing(loader))`
Author: Paulo Moura
Version: 1:0:0
Date: 2026-03-07
Compilation flags:
`static, context_switching_calls`
Provides:
logtalk::message_hook/4
Remarks:
(none)
Inherited public predicates:
(none)

## Public predicates

### `load_coverage_config/1`

Loads a baseline coverage config file and enables coverage collection in the subprocess.

Compilation flags:
`static`
Template:
`load_coverage_config(ConfigFile)`
Mode and number of proofs:
`load_coverage_config(+atom)` - `one`

## Protected predicates

(no local declarations; see entity ancestors if any)

## Private predicates

### `coverage_file_/1`

Holds the baseline coverage output file path for the current subprocess.

Compilation flags:
`dynamic`
Template:
`coverage_file_(CoverageFile)`
Mode and number of proofs:
`coverage_file_(?atom)` - `zero_or_more`

### `coverage_entry_/4`

Captured lgtunit coverage for one entity predicate: covered clauses and total clauses.

Compilation flags:
`dynamic`
Template:
`coverage_entry_(Entity,Predicate,CoveredClauses,TotalClauses)`
Mode and number of proofs:
`coverage_entry_(?entity_identifier,?predicate_indicator,?list(integer),?integer)` - `zero_or_more`

## Operators

(none)