Commit 10452959 authored by Committed by Marge Bot
Add disable/enable commands to ghci debugger #2215
This patch adds two new commands `:enable` and `:disable` to the GHCi debugger. Opposite to `:set stop <n> :continue` a breakpoint disabled with `:disable` will not loose its previously set stop command. A new field breakEnabled is added to the BreakLocation data structure to track the enable/disable state. When a breakpoint is disabled with a `:disable` command, the following happens: The corresponding BreakLocation data element is searched dictionary of the `breaks` field of the GHCiStateMonad. If the break point is found and not already in the disabled state, the breakpoint is removed from bytecode. The BreakLocation data structure is kept in the breaks list and the new breakEnabled field is set to false. The `:enable` command works similar. The breaks field in the GHCiStateMonad was changed from an association list to int `IntMap`.
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