diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/PureMicroPasses.ml | 79 |
1 files changed, 65 insertions, 14 deletions
diff --git a/src/PureMicroPasses.ml b/src/PureMicroPasses.ml index 43ea11c5..5cd07fbe 100644 --- a/src/PureMicroPasses.ml +++ b/src/PureMicroPasses.ml @@ -93,17 +93,6 @@ type pn_ctx = string VarId.Map.t *) let compute_pretty_names (def : fun_def) : fun_def = (* Small helpers *) - let add_constraint (mp : mplace) (rv : typed_rvalue) (ctx : pn_ctx) : pn_ctx = - match (mp.name, mp.projection, rv.value) with - | Some name, [], RvPlace { var = var_id; projection = [] } -> - (* Check if the variable already has a name - if not: insert the new name *) - if VarId.Map.mem var_id ctx then ctx else VarId.Map.add var_id name ctx - | _ -> ctx - in - let add_opt_constraint (mp : mplace option) (rv : typed_rvalue) (ctx : pn_ctx) - : pn_ctx = - match mp with None -> ctx | Some mp -> add_constraint mp rv ctx - in let add_var (ctx : pn_ctx) (v : var) : pn_ctx = assert (not (VarId.Map.mem v.id ctx)); match v.basename with @@ -126,6 +115,58 @@ let compute_pretty_names (def : fun_def) : fun_def = match v with Dummy -> Dummy | Var v -> Var (update_var ctx v) in let update_var_or_dummy_list ctx = List.map (update_var_or_dummy ctx) in + let update_typed_lvalue ctx (lv : typed_lvalue) = + let value = + match lv.value with + | LvVar v -> LvVar (update_var_or_dummy ctx v) + | v -> v + in + { lv with value } + in + + let add_constraint (mp : mplace) (var_id : VarId.id) (ctx : pn_ctx) : pn_ctx = + match (mp.name, mp.projection) with + | Some name, [] -> + (* Check if the variable already has a name - if not: insert the new name *) + if VarId.Map.mem var_id ctx then ctx else VarId.Map.add var_id name ctx + | _ -> ctx + in + let add_right_constraint (mp : mplace) (rv : typed_rvalue) (ctx : pn_ctx) : + pn_ctx = + match rv.value with + | RvPlace { var = var_id; projection = [] } -> add_constraint mp var_id ctx + | _ -> ctx + in + let add_opt_right_constraint (mp : mplace option) (rv : typed_rvalue) + (ctx : pn_ctx) : pn_ctx = + match mp with None -> ctx | Some mp -> add_right_constraint mp rv ctx + in + let add_opt_right_constraint_list ctx rvs = + List.fold_left + (fun ctx (mp, rv) -> add_opt_right_constraint mp rv ctx) + ctx rvs + in + let add_left_constraint_var_or_dummy (mp : mplace option) (v : var_or_dummy) + (ctx : pn_ctx) : pn_ctx = + let ctx = add_var_or_dummy ctx v in + match (v, mp) with Var v, Some mp -> add_constraint mp v.id ctx | _ -> ctx + in + let add_left_constraint_typed_value (mp : mplace option) (lv : typed_lvalue) + (ctx : pn_ctx) : pn_ctx = + match lv.value with + | LvTuple _ | LvVar Dummy -> ctx + | LvVar v -> add_left_constraint_var_or_dummy mp v ctx + in + let add_left_constraint_var_or_dummy_list ctx lvs = + List.fold_left + (fun ctx (v, mp) -> add_left_constraint_var_or_dummy mp v ctx) + ctx lvs + in + let add_left_constraint_typed_value_list ctx lvs = + List.fold_left + (fun ctx (v, mp) -> add_left_constraint_typed_value mp v ctx) + ctx lvs + in (* * When we do branchings, we need to merge (the constraints saved in) the @@ -161,13 +202,23 @@ let compute_pretty_names (def : fun_def) : fun_def = and update_let (lb : let_bindings) (e : expression) (ctx : pn_ctx) : pn_ctx * expression = match lb with - | Call (lvs, call) -> raise Unimplemented + | Call (lvs, call) -> + let ctx = + add_opt_right_constraint_list ctx + (List.combine call.args_mplaces call.args) + in + let ctx = add_left_constraint_typed_value_list ctx lvs in + let ctx, e = update_expression e ctx in + let lvs = + List.map (fun (v, mp) -> (update_typed_lvalue ctx v, mp)) lvs + in + (ctx, Let (Call (lvs, call), e)) | Assign (lv, lmp, rv, rmp) -> raise Unimplemented | Deconstruct (lvs, opt_variant_id, rv, rmp) -> raise Unimplemented (* *) and update_switch_body (scrut : typed_rvalue) (mp : mplace option) (body : switch_body) (ctx : pn_ctx) : pn_ctx * expression = - let ctx = add_opt_constraint mp scrut ctx in + let ctx = add_opt_right_constraint mp scrut ctx in let ctx, body = match body with @@ -209,7 +260,7 @@ let compute_pretty_names (def : fun_def) : fun_def = pn_ctx * expression = match meta with | Assignment (mp, rvalue) -> - let ctx = add_constraint mp rvalue ctx in + let ctx = add_right_constraint mp rvalue ctx in update_expression e ctx in |