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Trying to progress
This commit is contained in:
Denis Merigoux
parent
1d4119c3a3
commit
f072694e50
@ -32,79 +32,85 @@ type 'm ctxt = {
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(* Expressions can spill out side effect, hence this function also returns a
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list of statements to be prepended before the expression is evaluated *)
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let rec translate_expr (ctxt : 'm ctxt) (expr : 'm L.expr) : A.block * A.expr =
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match Mark.remove expr with
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| EVar v ->
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let local_var =
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try A.EVar (Var.Map.find v ctxt.var_dict)
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with Var.Map.Not_found _ -> (
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try A.EFunc (Var.Map.find v ctxt.func_dict)
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with Var.Map.Not_found _ ->
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Message.raise_spanned_error (Expr.pos expr)
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"Var not found in lambda→scalc: %a@\nknown: @[<hov>%a@]@\n"
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Print.var_debug v
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(Format.pp_print_list ~pp_sep:Format.pp_print_space (fun ppf v ->
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Print.var_debug ppf v))
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(Var.Map.keys ctxt.var_dict))
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in
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[], (local_var, Expr.pos expr)
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| EStruct { fields; name } ->
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let args_stmts, new_args =
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StructField.Map.fold
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(fun _ arg (args_stmts, new_args) ->
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let arg_stmts, new_arg = translate_expr ctxt arg in
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arg_stmts @ args_stmts, new_arg :: new_args)
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fields ([], [])
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in
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let new_args = List.rev new_args in
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let args_stmts = List.rev args_stmts in
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args_stmts, (A.EStruct (new_args, name), Expr.pos expr)
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| ETuple args ->
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let args_stmts, new_args =
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List.fold_left
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(fun (args_stmts, new_args) arg ->
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let arg_stmts, new_arg = translate_expr ctxt arg in
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arg_stmts @ args_stmts, new_arg :: new_args)
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([], []) args
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in
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let new_args = List.rev new_args in
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args_stmts, (A.ETuple new_args, Expr.pos expr)
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| EStructAccess { e = e1; field; name } ->
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let e1_stmts, new_e1 = translate_expr ctxt e1 in
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e1_stmts, (A.EStructFieldAccess (new_e1, field, name), Expr.pos expr)
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| ETupleAccess { e = e1; index; _ } ->
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let e1_stmts, new_e1 = translate_expr ctxt e1 in
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e1_stmts, (A.ETupleAccess (new_e1, index), Expr.pos expr)
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| EInj { e = e1; cons; name } ->
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let e1_stmts, new_e1 = translate_expr ctxt e1 in
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e1_stmts, (A.EInj (new_e1, cons, name), Expr.pos expr)
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| EApp
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{ f = EOp { op = Op.HandleDefaultOpt; tys = _ }, _binder_mark; args = _ }
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when ctxt.keep_special_ops ->
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assert false
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| EApp { f; args } ->
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let f_stmts, new_f = translate_expr ctxt f in
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let args_stmts, new_args =
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List.fold_left
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(fun (args_stmts, new_args) arg ->
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let arg_stmts, new_arg = translate_expr ctxt arg in
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arg_stmts @ args_stmts, new_arg :: new_args)
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([], []) args
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in
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let new_args = List.rev new_args in
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f_stmts @ args_stmts, (A.EApp (new_f, new_args), Expr.pos expr)
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| EArray args ->
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let args_stmts, new_args =
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List.fold_left
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(fun (args_stmts, new_args) arg ->
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let arg_stmts, new_arg = translate_expr ctxt arg in
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arg_stmts @ args_stmts, new_arg :: new_args)
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([], []) args
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in
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let new_args = List.rev new_args in
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args_stmts, (A.EArray new_args, Expr.pos expr)
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| EOp { op; _ } -> [], (A.EOp (Operator.translate op), Expr.pos expr)
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| ELit l -> [], (A.ELit l, Expr.pos expr)
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| _ ->
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try
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match Mark.remove expr with
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| EVar v ->
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let local_var =
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try A.EVar (Var.Map.find v ctxt.var_dict)
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with Var.Map.Not_found _ -> (
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try A.EFunc (Var.Map.find v ctxt.func_dict)
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with Var.Map.Not_found _ ->
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Message.raise_spanned_error (Expr.pos expr)
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"Var not found in lambda→scalc: %a@\nknown: @[<hov>%a@]@\n"
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Print.var_debug v
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(Format.pp_print_list ~pp_sep:Format.pp_print_space (fun ppf v ->
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Print.var_debug ppf v))
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(Var.Map.keys ctxt.var_dict))
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in
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[], (local_var, Expr.pos expr)
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| EStruct { fields; name } ->
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let args_stmts, new_args =
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StructField.Map.fold
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(fun _ arg (args_stmts, new_args) ->
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let arg_stmts, new_arg = translate_expr ctxt arg in
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arg_stmts @ args_stmts, new_arg :: new_args)
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fields ([], [])
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in
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let new_args = List.rev new_args in
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let args_stmts = List.rev args_stmts in
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args_stmts, (A.EStruct (new_args, name), Expr.pos expr)
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| ETuple args ->
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let args_stmts, new_args =
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List.fold_left
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(fun (args_stmts, new_args) arg ->
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let arg_stmts, new_arg = translate_expr ctxt arg in
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arg_stmts @ args_stmts, new_arg :: new_args)
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([], []) args
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in
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let new_args = List.rev new_args in
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args_stmts, (A.ETuple new_args, Expr.pos expr)
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| EStructAccess { e = e1; field; name } ->
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let e1_stmts, new_e1 = translate_expr ctxt e1 in
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e1_stmts, (A.EStructFieldAccess (new_e1, field, name), Expr.pos expr)
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| ETupleAccess { e = e1; index; _ } ->
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let e1_stmts, new_e1 = translate_expr ctxt e1 in
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e1_stmts, (A.ETupleAccess (new_e1, index), Expr.pos expr)
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| EInj { e = e1; cons; name } ->
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let e1_stmts, new_e1 = translate_expr ctxt e1 in
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e1_stmts, (A.EInj (new_e1, cons, name), Expr.pos expr)
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| EApp
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{
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f = EOp { op = Op.HandleDefaultOpt; tys = _ }, _binder_mark;
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args = [_exceptions; _just; _cons];
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}
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when ctxt.keep_special_ops ->
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(* This should be translated as a statement *)
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raise Not_found
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| EApp { f; args } ->
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let f_stmts, new_f = translate_expr ctxt f in
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let args_stmts, new_args =
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List.fold_left
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(fun (args_stmts, new_args) arg ->
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let arg_stmts, new_arg = translate_expr ctxt arg in
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arg_stmts @ args_stmts, new_arg :: new_args)
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([], []) args
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in
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let new_args = List.rev new_args in
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f_stmts @ args_stmts, (A.EApp (new_f, new_args), Expr.pos expr)
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| EArray args ->
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let args_stmts, new_args =
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List.fold_left
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(fun (args_stmts, new_args) arg ->
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let arg_stmts, new_arg = translate_expr ctxt arg in
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arg_stmts @ args_stmts, new_arg :: new_args)
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([], []) args
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in
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let new_args = List.rev new_args in
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args_stmts, (A.EArray new_args, Expr.pos expr)
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| EOp { op; _ } -> [], (A.EOp (Operator.translate op), Expr.pos expr)
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| ELit l -> [], (A.ELit l, Expr.pos expr)
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| _ -> raise Not_found
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with Not_found ->
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let tmp_var =
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A.VarName.fresh
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( (*This piece of logic is used to make the code more readable. TODO:
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@ -137,6 +143,31 @@ and translate_statements (ctxt : 'm ctxt) (block_expr : 'm L.expr) : A.block =
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(* Assertions are always encapsulated in a unit-typed let binding *)
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let e_stmts, new_e = translate_expr ctxt e in
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e_stmts @ [A.SAssert (Mark.remove new_e), Expr.pos block_expr]
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| EApp
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{
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f = EOp { op = Op.HandleDefaultOpt; tys = _ }, _binder_mark;
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args = [exceptions; just; cons];
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}
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when ctxt.keep_special_ops ->
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let exceptions =
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match Mark.remove exceptions with
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| EArray exceptions -> exceptions
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| _ -> failwith "should not happen"
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in
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List.iter
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(fun ex ->
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Message.emit_debug "exception: %a" (Print.expr ~debug:true ()) ex)
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exceptions;
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Message.emit_debug "just: %a" (Print.expr ~debug:true ()) just;
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Message.emit_debug "cons: %a" (Print.expr ~debug:true ()) cons;
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let exceptions_stmts, new_exceptions =
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List.fold_left
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(fun (exceptions_stmts, new_exceptions) arg ->
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let arg_stmts, new_arg = translate_expr ctxt arg in
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arg_stmts @ exceptions_stmts, new_arg :: new_exceptions)
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([], []) exceptions
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in
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assert false
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| EApp { f = EAbs { binder; tys }, binder_mark; args } ->
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(* This defines multiple local variables at the time *)
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let binder_pos = Expr.mark_pos binder_mark in
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