Commit e54500c1 authored by Committed by Marge Bot
Store ComponentId details
As far as GHC is concerned, installed package components ("units") are identified by an opaque ComponentId string provided by Cabal. But we don't want to display it to users (as it contains a hash) so GHC queries the database to retrieve some infos about the original source package (name, version, component name). This patch caches these infos in the ComponentId itself so that we don't need to provide DynFlags (which contains installed package informations) to print a ComponentId. In the future we want GHC to support several independent package states (e.g. for plugins and for target code), hence we need to avoid implicitly querying a single global package state.
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