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| author | Kathy Gray | 2015-07-24 11:41:18 +0100 |
|---|---|---|
| committer | Kathy Gray | 2015-07-24 11:41:18 +0100 |
| commit | e391bd3d6ade488a26b30b7fc4d5826affb5cf99 (patch) | |
| tree | 3a8a967aa35c5eb3b8ec771c3b4ff0f046488252 /src/lem_interp/interp_interface.lem | |
| parent | 291eef6e74dcabc0add7f63a30213fd4ed5acbae (diff) | |
Begin doing better analysis on case splits over unknowns
Diffstat (limited to 'src/lem_interp/interp_interface.lem')
| -rw-r--r-- | src/lem_interp/interp_interface.lem | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/lem_interp/interp_interface.lem b/src/lem_interp/interp_interface.lem index 3c79ed5e..305539f8 100644 --- a/src/lem_interp/interp_interface.lem +++ b/src/lem_interp/interp_interface.lem @@ -457,11 +457,14 @@ type outcome = | Write_reg of reg_name * register_value * instruction_state (* List of instruciton states to be run in parrallel, any order permitted *) | Nondet_choice of list instruction_state * instruction_state -(* Stop for incremental stepping, function can be used to display function call data *) -| Internal of maybe string * maybe (unit -> string) * instruction_state (* Escape the current instruction, for traps, some sys calls, interrupts, etc. Can optionally provide a handler The non-optional instruction_state is what we would be doing if we're not escaping. This is for exhaustive interp*) | Escape of maybe instruction_state * instruction_state +(* Stop for incremental stepping, function can be used to display function call data *) +| Internal of maybe string * maybe (unit -> string) * instruction_state +(* Analysis can lead to non_deterministic evaluation, represented with this outcome *) +(*Note: this should not be externally visible *) +| Analysis_non_det of list instruction_state * instruction_state | Done | Error of string |