diff options
Diffstat (limited to 'compiler/rename/RnSource.hs')
| -rw-r--r-- | compiler/rename/RnSource.hs | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/compiler/rename/RnSource.hs b/compiler/rename/RnSource.hs index 65acf808ab..3e462744e1 100644 --- a/compiler/rename/RnSource.hs +++ b/compiler/rename/RnSource.hs @@ -60,25 +60,22 @@ import Data.List ( sortBy, mapAccumL ) import Data.Maybe ( isJust ) import qualified Data.Set as Set ( difference, fromList, toList, null ) -{- -@rnSourceDecl@ `renames' declarations. +{- | @rnSourceDecl@ "renames" declarations. It simultaneously performs dependency analysis and precedence parsing. It also does the following error checks: -\begin{enumerate} -\item -Checks that tyvars are used properly. This includes checking -for undefined tyvars, and tyvars in contexts that are ambiguous. -(Some of this checking has now been moved to module @TcMonoType@, -since we don't have functional dependency information at this point.) -\item -Checks that all variable occurrences are defined. -\item -Checks the @(..)@ etc constraints in the export list. -\end{enumerate} --} --- Brings the binders of the group into scope in the appropriate places; --- does NOT assume that anything is in scope already +* Checks that tyvars are used properly. This includes checking + for undefined tyvars, and tyvars in contexts that are ambiguous. + (Some of this checking has now been moved to module @TcMonoType@, + since we don't have functional dependency information at this point.) + +* Checks that all variable occurrences are defined. + +* Checks the @(..)@ etc constraints in the export list. + +Brings the binders of the group into scope in the appropriate places; +does NOT assume that anything is in scope already +-} rnSrcDecls :: HsGroup RdrName -> RnM (TcGblEnv, HsGroup Name) -- Rename a top-level HsGroup; used for normal source files *and* hs-boot files rnSrcDecls group@(HsGroup { hs_valds = val_decls, |