diff options
Diffstat (limited to 'compiler/InterpreterLoops.ml')
-rw-r--r-- | compiler/InterpreterLoops.ml | 40 |
1 files changed, 14 insertions, 26 deletions
diff --git a/compiler/InterpreterLoops.ml b/compiler/InterpreterLoops.ml index 90161196..c33c34a6 100644 --- a/compiler/InterpreterLoops.ml +++ b/compiler/InterpreterLoops.ml @@ -64,10 +64,7 @@ let eval_loop_concrete (span : Meta.span) (eval_loop_body : stl_cm_fun) : the loop body at least once *) let ctx_resl = rec_eval_loop_body ctx (Continue 0) in (* If we evaluate in concrete mode, we shouldn't have to generate any symbolic expression *) - let cf el = - sanity_check __FILE__ __LINE__ (el = None) span; - None - in + let cf _ = internal_error __FILE__ __LINE__ span in (ctx_resl, cf) (** Auxiliary function for {!eval_loop_symbolic}. @@ -92,7 +89,8 @@ let eval_loop_symbolic_synthesize_fun_end (config : config) (span : span) (loop_id : LoopId.id) (init_ctx : eval_ctx) (fixed_ids : ids_sets) (fp_ctx : eval_ctx) (fp_input_svalues : SymbolicValueId.id list) (rg_to_abs : AbstractionId.id RegionGroupId.Map.t) : - ((eval_ctx * statement_eval_res) * (eval_result -> eval_result)) + ((eval_ctx * statement_eval_res) + * (SymbolicAst.expression -> SymbolicAst.expression)) * borrow_loan_corresp = (* First, preemptively end borrows/move values by matching the current context with the target context *) @@ -212,7 +210,7 @@ let eval_loop_symbolic_synthesize_loop_body (config : config) (span : span) (fp_ctx : eval_ctx) (fp_input_svalues : SymbolicValueId.id list) (fp_bl_corresp : borrow_loan_corresp) : (eval_ctx * statement_eval_res) list - * (SymbolicAst.expression list option -> eval_result) = + * (SymbolicAst.expression list -> SymbolicAst.expression) = (* First, evaluate the loop body starting from the **fixed-point** context *) let ctx_resl, cf_loop = eval_loop_body fp_ctx in @@ -252,16 +250,9 @@ let eval_loop_symbolic_synthesize_loop_body (config : config) (span : span) (* Apply and compose *) let ctx_resl, cfl = List.split (List.map eval_after_loop_iter ctx_resl) in - let cc (el : SymbolicAst.expression list option) : eval_result = - match el with - | None -> None - | Some el -> - let el = - List.map - (fun (cf, e) -> Option.get (cf (Some e))) - (List.combine cfl el) - in - cf_loop (Some el) + let cc (el : SymbolicAst.expression list) : SymbolicAst.expression = + let el = List.map (fun (cf, e) -> cf e) (List.combine cfl el) in + cf_loop el in (ctx_resl, cc) @@ -380,17 +371,14 @@ let eval_loop_symbolic (config : config) (span : span) in (* Put everything together *) - let cc (el : SymbolicAst.expression list option) = + let cc (el : SymbolicAst.expression list) = match el with - | None -> None - | Some el -> ( - match el with - | [] -> internal_error __FILE__ __LINE__ span - | e :: el -> - let fun_end_expr = cf_fun_end (Some e) in - let loop_expr = cf_loop_body (Some el) in - S.synthesize_loop loop_id input_svalues fresh_sids rg_to_given_back - fun_end_expr loop_expr span) + | [] -> internal_error __FILE__ __LINE__ span + | e :: el -> + let fun_end_expr = cf_fun_end e in + let loop_expr = cf_loop_body el in + S.synthesize_loop loop_id input_svalues fresh_sids rg_to_given_back + fun_end_expr loop_expr span in (res_fun_end :: resl_loop_body, cc) |