ghc-9.4.2: The GHC API

Safe Haskell	Safe-Inferred
Language	Haskell2010

GHC.Tc.Gen.Match

Description

Typecheck some Matches

Documentation

tcMatchesFun :: LocatedN Id -> MatchGroup GhcRn (LHsExpr GhcRn) -> ExpRhoType -> TcM (HsWrapper, MatchGroup GhcTc (LHsExpr GhcTc)) Source #

tcGRHS :: TcMatchCtxt body -> ExpRhoType -> GRHS GhcRn (LocatedA (body GhcRn)) -> TcM (GRHS GhcTc (LocatedA (body GhcTc))) Source #

tcGRHSsPat :: GRHSs GhcRn (LHsExpr GhcRn) -> ExpRhoType -> TcM (GRHSs GhcTc (LHsExpr GhcTc)) Source #

tcMatchesCase Source #

Arguments

:: AnnoBody body
=> TcMatchCtxt body	Case context
-> Scaled TcSigmaTypeFRR	Type of scrutinee
-> MatchGroup GhcRn (LocatedA (body GhcRn))	The case alternatives
-> ExpRhoType	Type of the whole case expression
-> TcM (MatchGroup GhcTc (LocatedA (body GhcTc)))

tcMatchLambda :: ExpectedFunTyOrigin -> TcMatchCtxt HsExpr -> MatchGroup GhcRn (LHsExpr GhcRn) -> ExpRhoType -> TcM (HsWrapper, MatchGroup GhcTc (LHsExpr GhcTc)) Source #

data TcMatchCtxt body Source #

Constructors

MC
Fields mc_what :: HsMatchContext GhcTc mc_body :: LocatedA (body GhcRn) -> ExpRhoType -> TcM (LocatedA (body GhcTc))

type TcStmtChecker body rho_type = forall thing. HsStmtContext GhcTc -> Stmt GhcRn (LocatedA (body GhcRn)) -> rho_type -> (rho_type -> TcM thing) -> TcM (Stmt GhcTc (LocatedA (body GhcTc)), thing) Source #

type TcExprStmtChecker = TcStmtChecker HsExpr ExpRhoType Source #

type TcCmdStmtChecker = TcStmtChecker HsCmd TcRhoType Source #

tcStmts :: AnnoBody body => HsStmtContext GhcTc -> TcStmtChecker body rho_type -> [LStmt GhcRn (LocatedA (body GhcRn))] -> rho_type -> TcM [LStmt GhcTc (LocatedA (body GhcTc))] Source #

tcStmtsAndThen :: AnnoBody body => HsStmtContext GhcTc -> TcStmtChecker body rho_type -> [LStmt GhcRn (LocatedA (body GhcRn))] -> rho_type -> (rho_type -> TcM thing) -> TcM ([LStmt GhcTc (LocatedA (body GhcTc))], thing) Source #

tcDoStmts :: HsDoFlavour -> LocatedL [LStmt GhcRn (LHsExpr GhcRn)] -> ExpRhoType -> TcM (HsExpr GhcTc) Source #

tcBody :: LHsExpr GhcRn -> ExpRhoType -> TcM (LHsExpr GhcTc) Source #

tcDoStmt :: TcExprStmtChecker Source #

tcGuardStmt :: TcExprStmtChecker Source #

checkPatCounts :: AnnoBody body => HsMatchContext GhcTc -> MatchGroup GhcRn (LocatedA (body GhcRn)) -> TcM () Source #