Ben Gamari pushed to branch wip/T26049 at Glasgow Haskell Compiler / GHC Commits: b1b8a882 by Ben Gamari at 2025-05-22T18:22:31-04:00 base: Expose Backtraces constructor and fields This was specified in the proposal (CLC #199) yet somehow didn't make it into the implementation. Fixes #26049. - - - - - 7 changed files: - libraries/base/changelog.md - libraries/base/src/Control/Exception/Backtrace.hs - libraries/ghc-internal/src/GHC/Internal/Exception/Backtrace.hs - testsuite/tests/interface-stability/base-exports.stdout - testsuite/tests/interface-stability/base-exports.stdout-javascript-unknown-ghcjs - testsuite/tests/interface-stability/base-exports.stdout-mingw32 - testsuite/tests/interface-stability/base-exports.stdout-ws-32 Changes: ===================================== libraries/base/changelog.md ===================================== @@ -22,6 +22,7 @@ * `GHC.TypeNats.Internal` * `GHC.ExecutionStack.Internal`. * Deprecate `GHC.JS.Prim.Internal.Build`, as per [CLC #329](https://github.com/haskell/core-libraries-committee/issues/329) + * Expose constructor and field of `Backtraces` from `Control.Exception.Backtrace`, as per [CLC #199](https://github.com/haskell/core-libraries-committee/issues/199#issuecomment-...) ## 4.21.0.0 *TBA* * Change `SrcLoc` to be a strict and unboxed (finishing [CLC proposal #55](https://github.com/haskell/core-libraries-committee/issues/55)) ===================================== libraries/base/src/Control/Exception/Backtrace.hs ===================================== @@ -51,7 +51,7 @@ module Control.Exception.Backtrace , getBacktraceMechanismState , setBacktraceMechanismState -- * Collecting backtraces - , Backtraces + , Backtraces(..) , displayBacktraces , collectBacktraces ) where ===================================== libraries/ghc-internal/src/GHC/Internal/Exception/Backtrace.hs ===================================== @@ -9,7 +9,7 @@ module GHC.Internal.Exception.Backtrace , getBacktraceMechanismState , setBacktraceMechanismState -- * Collecting backtraces - , Backtraces + , Backtraces(..) , displayBacktraces , collectBacktraces ) where ===================================== testsuite/tests/interface-stability/base-exports.stdout ===================================== @@ -322,7 +322,7 @@ module Control.Exception.Backtrace where type BacktraceMechanism :: * data BacktraceMechanism = CostCentreBacktrace | HasCallStackBacktrace | ExecutionBacktrace | IPEBacktrace type Backtraces :: * - data Backtraces = ... + data Backtraces = Backtraces {btrCostCentre :: GHC.Internal.Maybe.Maybe (GHC.Internal.Ptr.Ptr GHC.Internal.Stack.CCS.CostCentreStack), btrHasCallStack :: GHC.Internal.Maybe.Maybe GHC.Internal.Stack.Types.CallStack, btrExecutionStack :: GHC.Internal.Maybe.Maybe [GHC.Internal.ExecutionStack.Internal.Location], btrIpe :: GHC.Internal.Maybe.Maybe [GHC.Internal.Stack.CloneStack.StackEntry]} collectBacktraces :: (?callStack::GHC.Internal.Stack.Types.CallStack) => GHC.Internal.Types.IO Backtraces displayBacktraces :: Backtraces -> GHC.Internal.Base.String getBacktraceMechanismState :: BacktraceMechanism -> GHC.Internal.Types.IO GHC.Internal.Types.Bool ===================================== testsuite/tests/interface-stability/base-exports.stdout-javascript-unknown-ghcjs ===================================== @@ -322,7 +322,7 @@ module Control.Exception.Backtrace where type BacktraceMechanism :: * data BacktraceMechanism = CostCentreBacktrace | HasCallStackBacktrace | ExecutionBacktrace | IPEBacktrace type Backtraces :: * - data Backtraces = ... + data Backtraces = Backtraces {btrCostCentre :: GHC.Internal.Maybe.Maybe (GHC.Internal.Ptr.Ptr GHC.Internal.Stack.CCS.CostCentreStack), btrHasCallStack :: GHC.Internal.Maybe.Maybe GHC.Internal.Stack.Types.CallStack, btrExecutionStack :: GHC.Internal.Maybe.Maybe [GHC.Internal.ExecutionStack.Internal.Location], btrIpe :: GHC.Internal.Maybe.Maybe [GHC.Internal.Stack.CloneStack.StackEntry]} collectBacktraces :: (?callStack::GHC.Internal.Stack.Types.CallStack) => GHC.Internal.Types.IO Backtraces displayBacktraces :: Backtraces -> GHC.Internal.Base.String getBacktraceMechanismState :: BacktraceMechanism -> GHC.Internal.Types.IO GHC.Internal.Types.Bool ===================================== testsuite/tests/interface-stability/base-exports.stdout-mingw32 ===================================== @@ -322,7 +322,7 @@ module Control.Exception.Backtrace where type BacktraceMechanism :: * data BacktraceMechanism = CostCentreBacktrace | HasCallStackBacktrace | ExecutionBacktrace | IPEBacktrace type Backtraces :: * - data Backtraces = ... + data Backtraces = Backtraces {btrCostCentre :: GHC.Internal.Maybe.Maybe (GHC.Internal.Ptr.Ptr GHC.Internal.Stack.CCS.CostCentreStack), btrHasCallStack :: GHC.Internal.Maybe.Maybe GHC.Internal.Stack.Types.CallStack, btrExecutionStack :: GHC.Internal.Maybe.Maybe [GHC.Internal.ExecutionStack.Internal.Location], btrIpe :: GHC.Internal.Maybe.Maybe [GHC.Internal.Stack.CloneStack.StackEntry]} collectBacktraces :: (?callStack::GHC.Internal.Stack.Types.CallStack) => GHC.Internal.Types.IO Backtraces displayBacktraces :: Backtraces -> GHC.Internal.Base.String getBacktraceMechanismState :: BacktraceMechanism -> GHC.Internal.Types.IO GHC.Internal.Types.Bool ===================================== testsuite/tests/interface-stability/base-exports.stdout-ws-32 ===================================== @@ -322,7 +322,7 @@ module Control.Exception.Backtrace where type BacktraceMechanism :: * data BacktraceMechanism = CostCentreBacktrace | HasCallStackBacktrace | ExecutionBacktrace | IPEBacktrace type Backtraces :: * - data Backtraces = ... + data Backtraces = Backtraces {btrCostCentre :: GHC.Internal.Maybe.Maybe (GHC.Internal.Ptr.Ptr GHC.Internal.Stack.CCS.CostCentreStack), btrHasCallStack :: GHC.Internal.Maybe.Maybe GHC.Internal.Stack.Types.CallStack, btrExecutionStack :: GHC.Internal.Maybe.Maybe [GHC.Internal.ExecutionStack.Internal.Location], btrIpe :: GHC.Internal.Maybe.Maybe [GHC.Internal.Stack.CloneStack.StackEntry]} collectBacktraces :: (?callStack::GHC.Internal.Stack.Types.CallStack) => GHC.Internal.Types.IO Backtraces displayBacktraces :: Backtraces -> GHC.Internal.Base.String getBacktraceMechanismState :: BacktraceMechanism -> GHC.Internal.Types.IO GHC.Internal.Types.Bool View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b1b8a8820ef22a3d18179696366cdbc3... -- View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/b1b8a8820ef22a3d18179696366cdbc3... You're receiving this email because of your account on gitlab.haskell.org.